The invention relates to a bending die (5) for a bending machine (1), for carrying out a bending operation on a sheet-metal workpiece (2), wherein a centre point (M1) of a first radius (R1) of a first inlet contour portion (15a) of a first inlet contour (15_1) of a V-shaped recess (13) and a centre point (Ml) of a first radius (Rl) of a first inlet contour portion (15a) of a second inlet contour (15_2) of the V-shaped recess (13) are spaced apart from each other by a centre-to-centre spacing (L) in a first plane (E1) independently of a first die angle (al) between a first side face (14a) and a separating plane (E2) of the recess (13), the separating plane being normal to the first plane (El), and a second die angle (α2) between a second side face (14b) and the separating plane (E2), where L = W + 2 * R1, and wherein the first inlet contour (15_1) comprises a second inlet contour portion (15b) which is situated between the first inlet contour portion (15a) and the first side face (14a) and has a second radius (R2), and/or wherein the second inlet contour (15_2) comprises a second inlet contour portion (15b) which is situated between the first inlet contour portion (15a) and the second side face (14b) and has a second radius (R2), wherein a radii ratio (X) between a value of the second radius (R2) and the value of the first radius (RI) is 2.5 ≤ X ≤ 5.
The invention relates to a device and a programming system for processing material, having an at least manual feeding and/or operating function. The device comprises at least one tool (5, 6), an electronic controller (9), which is configured for selecting and/or positioning tools and for carrying out the material processing procedure, thereby changing the shape of the workpiece (13), an optical display unit (8, 10, 11, 13), and preferably a device for displaying the correct alignment of the workpiece for each processing procedure. The controller (9) is designed to determine and display an optimized grip position (15) on the workpiece (13) for each operation.
The invention relates to a desk (6) for storing a workpiece (2) made of a metal sheet between successive bending operations in an automatic bending press (3). The desk is designed to have a platform and a try-square having a first leg and a second leg, and the platform is formed by a first platform part and a second platform part which can be moved relative to the first platform part.
The invention relates to a production plant (1) for processing plate-shaped components (2), the production plant having at least one forming machine (3) comprising at least one adjustable receiving device (4) which defines a receiving plane (5) for intermediately storing the components (2). The production plant also has at least one manipulator (6) for handling the components (2); the manipulator is designed to deposit and pick up the components (2) with respect to the intermediate storage on the receiving device (4). The receiving device (4) comprises individual receiving elements (7) which can be adjusted in the receiving plane (5); wherein each receiving element (7) has a bearing unit (8) and can be rotated by means of the bearing unit (8) about a bearing axis (9) that is perpendicular to the receiving plane (5) and can be adjusted longitudinally at a distance (11) from the bearing axis (9) along an adjusting direction (10) that is parallel to the receiving plane (5) and perpendicular to the bearing axis (9), wherein the manipulator (6) comprises a coupling unit (12) for establishing a coupling state with each of the receiving elements (7), wherein, in the coupling state, the receiving elements (7) can be rotated with respect to the bearing axis (9) and/or adjusted with respect to the adjusting direction (10) by means of the manipulator (6).
An electromechanical drive includes a motor, a rotational part rotatable by the motor about a rotational axis, and a braking device that can be actuated between a braking position and a released position, the braking device having a brake disc that rotates with the rotational part and a braking element that can be adjusted in the axial direction and acts on the brake disc in the braking position. The brake disc has an inner area, a friction surface area extending annularly around the rotational axis with a first friction surface formed on a first side of the brake disc, and an intermediate area extending between the friction surface area and the inner area around the rotational axis. A first mating surface is formed on the braking element, which mating surface faces the first friction surface and interacts with the first friction surface in the braking position.
F16D 65/18 - Actuating mechanisms for brakesMeans for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
F16D 55/226 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially
The invention relates to a bending machine (1) and a manufacturing method for bending machines (1), wherein the bending machine (1) is intended for manufacturing sheet metal workpieces (3) by means of forming in a bending press operation or a folding press operation, and comprises at least one machine frame (8), a machine table (2), and a press beam (5). The machine table (2) comprises a beam-like support structure (13), wherein the beam-like support structure (13) is fixed on a stand surface (14), extends along a longitudinal direction (9), and is connected to the machine frame (8) at its end regions (15) that are spaced apart from one another in the longitudinal direction (9). The beam-like support structure (13) comprises at least one lower chord element (24) and at least one web element (25), said at least one lower chord element (24) and said at least one web element (25) forming a single-piece welded construction (23). The single-piece welded construction (23) of bending machines (1), which are manufactured using the manufacturing method according to the invention, is designed or constructed for each bending machine (1) in such a way that, in the case of bending machines (1) having a substantially identical machine table length (28) and possibly different pressing forces, a first support surface (19) of the machine table undergoes substantially identical deformations (16) during the bending press operation.
F16M 1/08 - Frames or casings of engines, machines, or apparatusFrames serving as machinery beds characterised by being built-up of sheet material or welded parts
A gripping device includes a supporting platform with a connection interface for coupling to a manipulator and at least two adjustment-slide guides. The gripping device includes a supply device for activating and deactivating the retaining elements. At least two adjustment slides are each at least partially received or supported in at least one adjustment-slide guide and are slidable relative to the platform along a first direction in the adjustment-slide guides. At least one adjustment slide has at least one transverse guide on which at least one retaining element is arranged. The transverse slide is at least partially received or supported in the transverse guide and is slidable relative to the adjustment slide along a second direction in the transverse guide orthogonal to the first direction. A guide section of the at least one transverse slide is profiled and is received or supported and linearly extendable therein.
A cleaning tool (8) for at least part of the lower tool arrangement of bending machines (1) with an automation system (2) or robot grippers (3) comprises at least one brush (9, 14) and a suction-removal arrangement (11) with a collection container (13) for material removed by suction. The cleaning tool (8) is equipped with a coupling arrangement for the automation system (2) or the robot gripper (3), and the suction-removal arrangement (11) can be coupled with a compressed-air system of the automation system (2) or robot gripper (3). A bending machine (1) with an automation system (2) or robot grippers (3) and a cleaning tool (8) of this kind can have this cleaning tool coupled to the automation system (2) or to the robot gripper (3), or the cleaning tool (8) is kept ready for coupling with the automation system (2) or the robot gripper (3).
B08B 5/02 - Cleaning by the force of jets, e.g. blowing-out cavities
B08B 15/04 - Preventing escape of dirt or fumes from the area where they are producedCollecting or removing dirt or fumes from that area from a small area, e.g. a tool
B21D 5/00 - Bending sheet metal along straight lines, e.g. to form simple curves
B25J 11/00 - Manipulators not otherwise provided for
The invention relates to an electromechanical spindle drive (1) comprising: a housing (2); a rotation unit (4) having a spindle nut which can be made to rotate about an axis of rotation (R) by means of a motor (3); and a spindle (5) which has a threaded portion (6) that interacts with the rotation unit (4) and is axially adjustable by means of the rotation unit (4) so that the spindle (5) can be adjusted in both directions from a spindle outlet end (7) of the rotation unit (4), wherein a plurality of rolling elements (9) for mounting the spindle (5) are located between an adjusting thread (8) of the rotation unit (4) and the threaded portion (6); and, within a functional portion (10) of the rotation unit (4), the adjusting thread (8) has an external diameter (11) for guiding the rolling elements (9) radially to the axis of rotation (R), and the rotation unit (4) has a receiving portion (12) which is positioned facing away from the spindle outlet end (7) and is designed to accommodate part of the threaded portion (6) of the spindle (5) along with with the rolling elements (9), and wherein a diameter (13) of the receiving portion (12) for delimiting the rolling elements (9) radially to the axis of rotation (R) is larger than the outer diameter (11), meaning that the rolling elements (9) exhibit a mechanical play (14) radially between the threaded portion (6) and the receiving portion (12) of the rotation unit (4).
F16H 25/22 - Screw mechanisms with balls, rollers, or similar members between the co-operating partsElements essential to the use of such members
B30B 1/18 - Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by screw means
F16H 25/24 - Elements essential to such mechanisms, e.g. screws, nuts
H02K 7/06 - Means for converting reciprocating motion into rotary motion or vice versa
An electromechanical spindle drive includes a housing, a motor, a rotational part in the form of a spindle nut, the rotational part being rotated by the motor about a rotational axis, a spindle which interacts with the rotational part, the threaded section of which is arranged within the rotational part and which exits the rotational part at a spindle outlet end, and bearings by means of which the rotational part is rotatably mounted relative to the housing, wherein at least one, preferably at least two of the bearings, are arranged in the region of the spindle outlet end of the rotational part and/or are designed in the form of a radial bearing.
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
F16H 25/22 - Screw mechanisms with balls, rollers, or similar members between the co-operating partsElements essential to the use of such members
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
The invention relates to a device (1) for turning plate-shaped components (2), comprising: - a rotating unit (3) in order to turn a component (2) with respect to a rotational axis (R) during a turning process; and - a conveyor unit (4) which is received in the rotating unit (3) and which can be rotated by means of the rotating unit (3), said conveyor unit (4) comprising at least one first conveyor means (5) and a second conveyor means (6) arranged opposite the first conveyor means, wherein a first conveyor plane (7) is defined by the first conveyor means (5), and a second conveyor plane (8) arranged parallel to the first conveyor plane (7) is defined by the second conveyor means (6). The conveyor unit (4) is designed to receive the component (2) between the first and second conveyor plane (7, 8) such that the component (2) is received between the first and second conveyor means (5, 6) for the turning process. At least one of the two conveyor means, comprising the first and second conveyor means (5, 6), is designed to be movable with respect to the conveyor plane thereof along a conveyor direction (F).
B21D 43/14 - Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by turning devices, e.g. turn-tables
B65G 47/248 - Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles by turning over or inverting them
B21D 43/12 - Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by chains or belts
12.
BENDING MACHINE COMPRISING A MACHINING TOOL FOR SHEET METAL WORKPIECES
The invention relates to a bending machine (1) for manufacturing workpieces from sheet metal, said bending machine comprising: a stationary machine frame (3); a lower clamping bar (4) and an upper clamping bar (5); and a clamping tool (2) having at least one lower clamping jaw (6) and at least one upper clamping jaw (7), the at least one lower clamping jaw (6) having a clamping surface (8) for a workpiece to be manufactured and being held on the lower clamping bar (4), and the at least one upper clamping jaw (7) being held on the upper clamping bar (5), the at least one upper clamping jaw (7) having a clamping extension (9) with a pressure surface (10). Furthermore, a machining tool (13) for machining a workpiece to be manufactured is fixed to at least one upper clamping jaw (7), the machining tool (13) having an effective machining section (15) in relation to a workpiece to be manufactured, the effective machining section (15) being located between the pressure surface (10) and the boundary surface (11) in the vertical direction.
A manipulator for components, in particular sheet metal parts, includes a base body mountable stationarily or movable along a guide arrangement, a first pivot arm pivotally coupled to the base body via a horizontal first pivot axis, a second pivot arm pivotally coupled to the first pivot arm via a horizontal second pivot axis and a third pivot arm pivotally coupled to the second pivot arm via a horizontal third pivot axis. A first axis of rotation extending radially to the third pivot axis is formed on the third pivot arm. A gripper support arm is rotatably coupled to the third pivot arm via the first axis of rotation and extends radially to the first axis of rotation. A gripping arrangement is rotatably coupled to the gripper support arm via a second axis of rotation spaced from the first axis of rotation. A bending installation includes the manipulator.
B21D 43/10 - Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
B21D 5/02 - Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
B25J 9/04 - Programme-controlled manipulators characterised by movement of the arms, e.g. cartesian co-ordinate type by rotating at least one arm, excluding the head movement itself, e.g. cylindrical co-ordinate type or polar co-ordinate type
B25J 15/06 - Gripping heads with vacuum or magnetic holding means
14.
METHOD FOR THE TRANSPORT AND/OR HANDLING OF COMPONENTS
A method transports and/or handles components, in particular sheet metal parts, and a production plant includes a manipulator arrangement having a first manipulator arm and at least one second manipulator, wherein the first manipulator and the at least one second manipulator are designed to pick up, transport, hold and/or deposit a component, at least one processing device for carrying out processing steps on the component, wherein the component is transferred from the first manipulator to the at least one second manipulator after a first processing cycle at a predetermined re-gripping time, the re-gripping time being between the first processing cycle and at least one second processing cycle, wherein the component at least in portions rests on the processing device during the re-gripping time and is supported in a load-dissipating manner solely by the processing device.
A gripping arrangement for gripping, holding and placing down workpieces, and a manipulator having a gripping arrangement, includes a connection interface for attachment to a manipulator and a pincer gripper with two pincer arms movable relative to one another by a pincer drive. In their closed position, the arms define a clamping plane extending therebetween and a longitudinal pincer axis extending parallel to the arms and in the clamping plane. An adhesion gripper having at least one vacuum or magnetic gripping element includes a plane of adhesive action for holding a workpiece, and is displaceable along an adjustment axis toward the longitudinal pincer axis relative to the pincer gripper between working and stand-by zones by an adjustment drive. The clamping plane and the plane of adhesive action are orthogonal to one another and the plane of adhesive action extends orthogonally to the longitudinal pincer axis.
A workpiece manipulation device for a swivel bending machine includes a base rack; a manipulation device carrier arranged on the base rack so as to be displaceable by a manipulation device carrier guide in a Y-axis relative to the base rack; a manipulation arm arranged on the manipulation device carrier so as to be displaceable by a manipulation arm guide in a Z-axis relative to the manipulation device carrier; a first rotary punch arranged on the manipulation arm, and a second rotary punch arranged on the manipulation device carrier. The manipulation device carrier is configured in an L-shape and has a first limb, which extends along a Y-axis, and a second limb, which extends along the Z-axis. The manipulation arm guide is formed on the second limb, and a distance between the manipulation arm guide and the rotational axis of the first rotary punch is greater than 1000 mm.
B21D 5/04 - Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work
B21D 43/10 - Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
B21D 43/11 - Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers for feeding sheet or strip material
17.
FORMING MACHINE FOR FORMING WORKPIECES AND METHOD THEREFOR
The invention relates to a forming machine (5) for forming workpieces (15), more particularly a bending machine for bending workpieces, more particularly sheet-type workpieces, comprising a first machine part (6), a second machine part (7), a controller (8) and a drive system for moving the first machine part (6) relative to the second machine part (7) and for producing the forming force, the drive system having a drive train (4) formed by at least two drive components (1, 2, 3). The forming machine is characterized in that at least one drive parameter (11) of a first drive component (1) of the drive train (4) and at least one drive parameter (12) of a second drive component (2) of the drive train (4) can be adjusted by the controller (8). A routine (9) for optimizing the energy efficiency and/or the degree of efficiency of the drive system is stored in the controller (8), and in at least one operating mode of the forming machine (5) the at least one drive parameter (11) of the first drive component (1) and the at least one drive parameter (12) of the second drive component (2) are specified by the routine (9).
B30B 1/32 - Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
B30B 15/16 - Control arrangements for fluid-driven presses
B30B 15/18 - Control arrangements for fluid-driven presses controlling the reciprocating motion of the ram
B30B 15/20 - Control arrangements for fluid-driven presses controlling the reciprocating motion of the ram controlling the speed of the ram, e.g. the speed of the approach, pressing or return strokes
B30B 15/22 - Control arrangements for fluid-driven presses controlling the degree of pressure applied by the ram during the pressing stroke
G05B 19/408 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by data handling or data format, e.g. reading, buffering or conversion of data
18.
DIE FOR A BENDING OR FOLDING APPARATUS, AND A BENDING OR FOLDING APPARATUS
The invention relates to a die (1) for a bending or folding apparatus, comprising: a main body (2); at least one pair of bending aprons (3) which are mounted in the main body (2) so as to be able to pivot passively about axes (B) symmetrically with respect to a central plane (M), and which form a flat bearing surface (4) in the neutral position and a V-shaped swage in the main body (2) in the folded position; at least one restoring component (5) for each bending apron (3) which acts on the bending apron (3) to move it towards the neutral position; at least one sliding component (6) for each bending apron (3), wherein two sliding components (6) in each case rest against the bending aprons (3) in the neutral position symmetrically with respect to the central plane and form, with flat bearing sections, a flat bearing surface for a workpiece (W), and which can slide on the bearing surface of the bending apron (3) transversely to the axis together with a workpiece to be machined. One support section (9) is arranged fixed to the sliding component (6), rests in a neutral position of the bending apron (3) and of the sliding component (6) against a stationary support point (11) on the main body (2) and in the folded position is free of force and lifted off the support point (11).
The invention relates to a swivel bending machine (1) comprising, in a region in front of a front side (18) of a workpiece holding unit (3), a support table (17) for workpieces to be bent. A workpiece manipulator (23) is provided, which is designed to pick up workpieces to be bent from at least one of the table end regions (20, 21) and to take the workpieces, in parallel with the longitudinal direction (12) of a bending beam, to a portion in the region of the longitudinal centre (24) of the workpiece holding unit (3). The workpiece manipulator (23) has a first pair of clamping tongs (25) and a second pair of clamping tongs (26), which is spaced apart from the first pair in the longitudinal direction (12) of the bending beam, for establishing a clamping connection with respect to a workpiece. At least one of the two pairs of clamping tongs (25, 26) has a first stop surface for referencing positioning of a workpiece in relation to the longitudinal direction (12) of the bending beam and has a second stop surface for referencing positioning of said workpiece in relation to a depth direction (16) of the swivel bending machine (1).
B21D 5/04 - Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work
B21D 43/10 - Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
B21D 43/11 - Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers for feeding sheet or strip material
B21D 43/00 - Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profilesAssociations therewith of cutting devices
20.
VACUUM GRIPPING ELEMENT AND VACUUM GRIPPING DEVICE
TRUMPF Maschinen Austria GmbH & Co., KG. (Austria)
Inventor
Angerer, Gerhard
Freudenthaler, Klemens
Hausmann, Florian
Hörl, Matthias
Kovjenic, Nenad
Maier, Florian
Schernhammer, Michael
Steininger, Verena
Theis, Helmut
Abstract
A vacuum gripping element and device hold a component to be transported when subjected to a vacuum. The device includes a carrying device and at least one vacuum gripping element connected releasably to the carrying device as needed. The element includes a base body with at least one vacuum supply channel and an elastic, form-flexible sealing element. A locking coupling forms a first fastener for positively connecting and releasing the gripping element relative to the carrying device as required. Alternatively, the base body includes first and second base body parts, the first part positively connecting and releasing relative to the carrying device as required by the first fastener, and the second part being connected to the elastic, form-flexible sealing element. A locking coupling forms a second fastener for positively connecting and releasing the first base body part relative to the second base body part as required.
A sheet metal processing plant includes a conveyor defining a receiving surface for a workpiece and a conveying direction in a conveying plane and being embodied for conveying the workpiece, the workpiece having a bottom side and a top side, and a turning unit embodied for turning the workpiece received on the receiving surface from the bottom side to the top side. The turning unit includes a manipulator embodied to lift the bottom side of the workpiece off the receiving surface, to perform a turning operation of the workpiece and to place the top side of the workpiece on the receiving surface of the conveyor.
B21D 43/14 - Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by turning devices, e.g. turn-tables
B65G 47/248 - Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles by turning over or inverting them
A press brake for bending workpieces includes: a fixed table beam with a lower tool holder, a displaceable press beam with an upper tool holder, wherein the press beam is formed so as to be displaceable relative to the table beam, and a graphic display for displaying information. In the displaceable press beam, a recess is formed, in which the graphic display is accommodated, wherein the graphic display has a display height and a display width.
A method for transferring a workpiece from a first manipulator to a second manipulator by means of a manipulation system in a bending installation having at least one bending machine is provided. Each manipulator comprises first, second, and third manipulator arms, each of which is pivotable about second axes, third axes, and fourth axes and exclusively in a parallel orientation with respect to a first axis of a guide arrangement. The workpiece is grasped by a holding arrangement of the first manipulator. The third manipulator arms are oriented to be opposite and to project towards one another, and the same workpiece is grasped by a holding arrangement of the second manipulator and subsequently released from the holding arrangement of the first manipulator for the direct transfer process. The invention furthermore relates to a manipulation system and a bending installation equipped therewith.
The invention relates to a gripping device (1) and to a manipulator. The gripping device (1) comprises a carrying platform (4) having a connection interface (5) for coupling to a manipulator. The carrying platform (4) has at least two adjustment-slide guides (11, 12). The gripping device (1) comprises supply means (27) for activating and deactivating the retaining elements (3). At least two adjustment slides (9, 10) are each at least partly held or retained in at least one of the adjustment-slide guides (11, 12) and can be moved in the adjustment-slide guides (11, 12) relative to the carrying platform (4) along a first direction (13). At least one of the adjustment slides (9, 10) has at least one transverse guide (15). At least one retaining element (3) is disposed on at least transverse slide (14). The transverse slide (14) is at least partly held or retained in the transverse guide (15) and can be moved in the transverse guide (15) relative to the adjustment slide (9, 10) along a second direction (16), the first direction (13) and the second direction (16) being mutually orthogonal. A guide portion (42) of the at least one transverse slide (14), which guide portion is held or retained in the at least one transverse guide (15), is profiled, and said guide portion (42) is linearly extractable in the transverse guide (15).
B25J 19/00 - Accessories fitted to manipulators, e.g. for monitoring, for viewingSafety devices combined with or specially adapted for use in connection with manipulators
F16M 11/04 - Means for attachment of apparatusMeans allowing adjustment of the apparatus relatively to the stand
The invention relates to an electromechanical drive (1) comprising: - a motor (2), - a rotational part (3) which can be rotated about a rotational axis (4) by the motor (2), and - a brake device (5) which can be actuated between a braking position and a release position. The brake device (5) has a brake disc (6), which rotates together with the rotational part (3), and a brake element (7), which can be adjusted in the axial direction and acts on the brake disc (6) in the braking position. The invention is characterized in that the brake disc (6) has - an inner region (8), - a friction surface region (10) which runs annularly about the rotational axis (4) and comprises a first friction surface (11) that is formed on a first face of the brake disc (6), and - an intermediate region (9) which runs about the rotational axis (4) between the friction surface region (10) and the inner region (8) and in that a first mating surface (17) is formed on the brake element (7), said mating surface facing the friction surface (11) and interacting with the first friction surface (11) in the braking position.
The invention relates to a method for shaping a workpiece (27), comprising a shaping machine (20). The shaping machine (20) comprises at least one electromechanical drive (1) with an electric drive source (2), at least one shaping tool (28), the working movement (32) of which is produced by the electromechanical drive (1), and at least one brake device (5), which can be actuated between a release position and a braking position, for braking and/or blocking the working movement (32) of the shaping tool (28). The invention is characterized in that prior to a movement phase (33) of the shaping tool (28), the electric drive source (2) generates a drive torque (M) while the brake device (5) is in the braking position such that the braking torque (B) of the brake device (5) counteracts the drive torque (M) of the electric drive source (2), and the beginning of the movement phase (33) of the shaping tool (28) is initiated by converting the brake device (5) into the release position and/or into a position with a reduced braking torque and/or the working movement (32) of the shaping tool (28) is carried out intermittently during a shaping step.
The invention relates to an electromechanical spindle drive (1) comprising a housing (13); a motor (2); a rotational part (3) in the form of a spindle nut, said rotational part (3) being rotated by the motor (2) about a rotational axis (4); a spindle (23) which interacts with the rotational part (3), the threaded section of which is arranged within the rotational part (3) and which exits the rotational part (3) at a spindle outlet end (35); and bearings (37, 38, 39), by means of which the rotational part (3) is rotatably mounted relative to the housing (13). The invention is characterized in that at least one of the bearings (37), preferably at least two of the bearings, are arranged in the region of the spindle outlet end (35) of the rotational part (3) and/or are designed in the form of a radial bearing.
The invention relates to a manipulator (1) for structural parts (2), in particular for sheet metal parts, and to a bending installation (37). The manipulator (1) comprises a base body (4), which can be mounted in a fixed position or is movable along a guide arrangement (3), a first pivot arm (6) coupled pivotably to the base body (4) via a horizontal first pivot axis (5), a second pivot arm (8) coupled pivotably to the first pivot arm (6) via a horizontal second pivot axis (7), and a third pivot arm (10) coupled pivotably to the second pivot arm (6) via a horizontal third pivot axis (9). A first rotation axis (11), running radially with respect to the third pivot axis (9), is formed on the third pivot arm (10). Moreover, a gripper support arm (12), coupled rotatably to the third pivot arm (10) via the first rotation axis (11), is formed, which runs radially with respect to the first rotation axis (11). A gripper arrangement (13) is coupled rotatably to the gripper support arm (12) via a second rotation axis (14), which is spaced apart from the first rotation axis (11).
B25J 9/04 - Programme-controlled manipulators characterised by movement of the arms, e.g. cartesian co-ordinate type by rotating at least one arm, excluding the head movement itself, e.g. cylindrical co-ordinate type or polar co-ordinate type
B25J 15/04 - Gripping heads with provision for the remote detachment or exchange of the head or parts thereof
A manufacturing device has a manufacturing cell for processing workpieces, with a laterally circumferential safety partition, in which a lock is formed for performing a loading operation of the workpieces, wherein a first light barrier arrangement is formed at the lock, and with a driverless conveyor with a load receiver for conveying the workpieces. For performing the loading operation, a second light barrier arrangement and a third light barrier arrangement are formed between the conveyor and the lock, so that the load receiver and the workpieces are laterally bounded on opposite sides by the second light barrier arrangement and by the third light barrier arrangement.
The arrangement relates to a gripper arrangement (1) for picking up, holding and setting down workpieces (2), and to a manipulator (4) having a gripper arrangement (1). The gripper arrangement (1) comprises a connecting interface (3) for fastening to a manipulator (4) and a pincer gripper (5) having two pincer arms (6, 7). The pincer arms (6, 7) are movable relative to one another by means of a pincer drive (8) and define, in their closed position (9), a clamping plane (10) extending between the pincer arms (6, 7). The pincer arms (6, 7) define, in their closed position (9), a pincer longitudinal axis (11) extending parallel to the pincer arms (6, 7) and in the clamping plane (10). The gripper arrangement (1) also comprises an adhesive gripper (12) having at least one negative-pressure gripper element (13) or having at least one magnetic gripper element (14), wherein the adhesive gripper (12) has an adhesive-action plane (15) for holding a workpiece (2), and is displaceable between a working zone (18) and a standby zone (19) relative to the pincer gripper (5) in the direction of the pincer longitudinal axis (11) along an adjustment axis (17) by means of an adjustment drive (16). It is provided that the clamping plane (10) and the adhesive-action plane (15) are oriented at right angles to one another, and that the adhesive-action plane (15) extends at right angles to the pincer longitudinal axis (11).
The invention relates to a workpiece manipulation device (3) for a swivel bending machine (2), the workpiece manipulation device (3) comprising: - a base frame (7); - a manipulation device carrier (12) which is arranged on the base frame (7) so as to be displaceable along a Y axis (14) relative to the base frame by means of a manipulation device carrier guide (13); - a manipulation arm (15) which is arranged on the manipulation device carrier (12) so as to be displaceable along a Z axis (17) relative to the latter by means of a manipulation arm guide (16); - a first rotary punch (19) which is arranged on the manipulation arm (15); - a second rotary punch (21) which is arranged on the manipulation device carrier (12). The manipulation device carrier (12) is L-shaped and has a first leg (22) which extends along a Y axis (14), and a second leg (23) which extends along the Z axis (17), wherein the manipulation arm guide (16) is formed on the second leg (23), and wherein a spacing (24) between the manipulation arm guide (16) and the axis of rotation (20) of the first rotary punch (19) is greater than 1000 mm.
The invention relates to a bending device (1) for producing a component by forming a sheet-metal workpiece (2), having a press table (3) and having a press beam (4) oriented parallel thereto, and having a stop (8, 9) for abutment and orientation of the metal sheet before a bending operation is carried out on the metal sheet, wherein a guide beam (13), oriented parallel to the longitudinal extent of the press table (3), of a rear stop unit is formed, and wherein at least a first stop (8) and a second stop (9) are arranged on the guide beam (13) and these are adjustable on the guide beam (13) by a motor, wherein, on the guide beam (13), a third stop (17) is arranged between the first stop (8) and the second stop (9) and a position of the third stop (17) is variable by adjusting the first stop (8) or by adjusting the second stop (9) along the longitudinal extent of the guide beam (13).
A tool transfer device for displacing one or multiple tools, in particular bending tools, in a guide rail, includes: at least one longitudinal push and pull transfer device for displacing the tool(s), a channel for a supply line being formed in or on the push and pull transfer device, a receptacle including at least one, preferably spirally extending, guide for retracting the push and pull transfer device, and at least one supply line, a first section of the supply line extending in the push and pull transfer device channel. The guide includes a longitudinal opening extending along the guide extension, and a second supply line section extends outside the push and pull transfer device and the receptacle guide, and the supply line, between the first and second sections, exits the channel at an exit point arranged in the guide of the receptacle near the push and pull transfer device.
The invention relates to a method for conveying components and to an automated vacuum gripper (1) for components (3), in particular sheet metal parts, comprising a plurality of suction elements (4), which are arranged at a preferably movable support part (5), a first vacuum generator (8) for forming a first vacuum circuit (9), a second vacuum generator (10) for forming a second vacuum circuit (11), at least one switching element connected to a system controller (14) for automated switching of the first vacuum circuit (9) to the second vacuum circuit (11), at least one compressed air supply (15) connected to at least the first and the second vacuum generators (8), at least one sensor device (16, 17), wherein the first vacuum generator (8) is associated with a first predeterminable group (12) of suction elements (4), and the second vacuum generator (10) is connected to a vacuum tank (18) for forming a second vacuum circuit (11), which may be activated in case of emergency and is redundant to the first vacuum circuit (9), and wherein at least one first sensor device is (16) is formed for monitoring the vacuum at least at the first vacuum circuit (9), and at least one second sensor device (17) has an optical sensor for detecting a relative movement of the component (3) during a conveying operation.
The invention relates to an automated vacuum gripper, a feed unit and a method for conveying flat components (3). The vacuum gripper (1) comprises a support part (5), at least one support part element (7), a plurality of first suction elements (4′), which are arranged at the at least one support part element (7) and define a first suction plane; at least one bearing assembly (28) and at least one actuating assembly (29), wherein the at least one support part element (7) is pivotably mounted at the support part (5) by means of the at least one actuating assembly (29) about the at least one bearing assembly (28). The plurality of second elements (4) is arranged at the support part (5) and defines a second suction plane (19). The at least one support part element (7) with its first suction plane defined by the plurality of first suction elements (4′) is pivotable from a standby position that is at an angle relative to the second suction plane into a working position that is congruous with the second suction plane, and vice versa.
The invention relates to a bending device for producing a component by forming a workpiece from sheet metal, comprising a press table and a press beam which can be adjusted relative to the press table by a drive device. The press table comprises a body, a compensating beam with a tool receiving area, and actuators arranged between the body and the compensating beam for elastically deforming the compensating beam relative to the body. The body is equipped with a slot-shaped recess which extends parallel to the longitudinal extension of the press table and which is open towards the press beam, wherein the compensating beam is received in the recess of the body, and the actuators are arranged between a lower face of the compensating beam and the base of the recess of the body.
A bending machine with a bending information display apparatus has a machine frame, a longitudinally extended, fixed machine table, and a longitudinally extended press beam. The longitudinal expanse and the press beam movement direction define a working plane. An insertion plane essentially normal to the working plane is defined by an upper machine table flat side or a lower tool disposed thereon. The working plane establishes a front working and manipulation space and a closed rear machine space. A projector disposed above the insertion plane in the rear machine space has a light beam path directed away from the insertion plane. A reflector disposed in the working and manipulation space has a first reflective surface pivotable by an angle to the horizontal so that a light beam incident from the projector beam path leaves the first reflective surface as a departing light beam toward the insertion plane.
The invention relates to a method for producing a component by forming a workpiece (5) from sheet metal with a bending machine (1) having a control device (10) and a manufacturing program (14) for operating the bending machine (1), wherein in a processing area (18) at least two manufacturing steps each with a bending formation are carried out on the workpiece (5), and wherein the processing area (18) is recorded by a camera (16, 17), and images of the processing area (18) are displayed to the operator (20) by a display means (19), and, wherein during the performance of a first manufacturing step, working instructions for a subsequent phase of the current, first manufacturing step or for a subsequent, second manufacturing step are superimposed by an image processing program (15) on the images of the processing area (18) to be displayed by the display means (19) and are displayed by the display means (19).
The invention relates to a bending machine (10), in particular a folding machine, for bending a workpiece (9), comprising - at least one first bending tool holder (1, 11, 12) which is movably mounted to perform a working movement (A) and/or to position (P) a bending tool (13, 14), and - at least one welding device (3, 4), in particular a spot-welding device, for welding a workpiece (9) bent in the bending machine (10), characterised in that the at least one welding device (3, 4) is supported by the at least one first bending tool holder (1, 11, 12).
B21D 5/02 - Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
B21D 5/04 - Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work
B23K 11/00 - Resistance weldingSevering by resistance heating
B23P 23/00 - Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
The invention relates to a sheet-metal processing installation comprising: a conveying means (2), which conveying means (2) defines, in a conveying plane (3), a receiving surface (8) for a workpiece (5) and a conveying direction (4) and is configured to convey the workpiece (5), which workpiece (5) has an underside (6) and a top side (7), a turning unit (9), which turning unit (9) is configured to turn the workpiece (5) received by the receiving surface (8) from the underside (6) to the top side (7), characterized in that the turning unit (9) comprises a manipulator (10), which manipulator (10) is configured to lift the underside (6) of the workpiece (5) off the receiving surface (8), to carry out a workpiece (5) turning operation and to lay the top side (7) of the workpiece (5) on the receiving surface (8) of the conveying means (2).
B21D 43/14 - Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by turning devices, e.g. turn-tables
B65G 47/248 - Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles by turning over or inverting them
before a bending operation or a series of bending operations, the controller (9) brings the first mount (21) into a working position by controlling the first adjustment drive (23), in which working position the tool tip (4) of a bending tool (8) held by the first tool mount (11) lies within the light field (7) formed by the light barrier (27).
B21D 5/02 - Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
B21D 55/00 - Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machineControl arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
The invention relates to a vacuum gripper element (1) and a vacuum gripper device (24) which are designed to suck against or to hold a component that is to be transported when a vacuum is supplied. The vacuum gripper device (24) comprises a support device (6) and at least one vacuum gripper element (1) connected releasably to the support device (6) as necessary. The vacuum gripper element (1) comprises a main body (2) having at least one vacuum supply channel (3) and a resilient, flexible sealing element (4). A first fastening means (5) is formed here by a detent coupling (8) for interlocking connection and release of the vacuum gripper element (1) to/from the support device (6) as necessary. Alternatively, the main body (2) comprises a first main body part and a second main body part, which first main body part is intended for interlocking connection and release to/from the support device as necessary by means of the first fastening means (5), and which second main body part is connected to the resilient, flexible sealing element (4). A second fastening means is formed here by a detent coupling (8') for interlocking connection and release of the first main body part to/from the second main body part as necessary.
The invention relates to an apparatus for producing a component by shaping a workpiece (2) from sheet metal, comprising: a bending machine (1); a camera (12) for capturing images (25) of a processing region (13) between the bending tools (3, 4); a display apparatus (11) for displaying images (25) from the camera (12); a controller (9) having a manufacturing program (21) for operating the bending machine (1); and a bend-angle measuring apparatus (8-1, 8-2); wherein the controller (9) comprises a memory (23) containing values of a minimum limb length (18); and wherein the controller (9) comprises a program (20) for processing image information, which program generates a graphical length symbol (24) that corresponds to the value of the minimum limb length (18), and displays this symbol, together with the image (25) of the processing region (13), true to scale on the bending edge (28) to be formed, on the display apparatus (11).
The invention relates to a press brake (3) for bending workpieces (4), the press brake (3) comprising: a stationary table beam (6) with a lower tool receptacle (12); a displaceable press beam (7) with an upper tool receptacle (13), wherein the press beam (7) is configured to be movable relative to the table beam (6); a graphic display (15) for displaying information. Formed in the displaceable press beam (7) is a recess (16) in which the graphic display (15) is received, wherein the graphic display (15) has a display height (29) and a display width (30).
The invention relates to a tool magazine (26) for a bending machine (3), in particular for a press brake, wherein the tool magazine (26) has several storage rails (28), which are arranged in a magazine housing (27) and serve to hold bending tools (4), wherein the storage rails (28) are designed in such a way that several bending tools (4) can fit lined up one behind the other in the longitudinal extension (30) of the storage rails. The storage rails (28) can be pulled out from a front side (29) of the magazine housing (27) in the direction of the longitudinal extension (30) of the storage rails.
a controller (9) that is connected to the first adjustment drive (23), characterized in that the first tool mount (11) is designed in the form of a guide rail, which has at its first end a first front side opening (13) for changing a bending tool (8), and that the access for changing a bending tool (8) via the first front side opening (13) is obstructed in a first relative position of the first mount (21) to the first platform (1) and is unblocked in a second relative position of the first mount (21) to the first platform 1.
B21D 5/04 - Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work
B21D 5/02 - Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
B21D 55/00 - Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
F16P 3/00 - Safety devices acting in conjunction with the control or operation of a machineControl arrangements requiring the simultaneous use of two or more parts of the body
47.
Device and method for monitoring relative movements
The invention relates to a gripping device (1) and a method for the monitored movement of objects (2), preferably sheet metals, comprising a system control (3) configured for processing object data (31) and controlling a gripping module (4), wherein the gripping module (4) has at least two gripping jaws (5) formed to cooperate with one another, which form an intermediate receiving space (6) for receiving at least parts of an object (2) to be monitored and transported, and the gripping jaws (5) are formed such that, by applying a pre-definable clamping force (7), at least a friction-type connection between the gripping jaws (5) and at least parts of the object (2) is made possible, whereby the object (2) is movable, and at least one sensor element (8) for collecting object data (31) of the object (2) to be moved and monitored, wherein the at least one sensor element (8) is arranged on at least one gripping jaw (5) with its sensor region (9) facing the receiving space (6), and is formed such that it detects, by means of at least temporary collection of the object data (31), a relative movement and/or relative velocity (26) of the object (2) with respect to at least one of the gripping jaws (5).
A lower tool for a bending machine, in particular die bending machine, includes a longitudinally extended base body, which has, on its bottom side, a tool shank for being received in a guide slot of a tool holder and optionally tool shoulders in the transverse direction, and at least one friction reduction device on the bottom side of the base body for reducing a frictional force between the bottom side and the tool holder in the event of a displacement of the lower tool in the longitudinal direction, wherein the at least one friction reduction device is configured such that a weight force of the lower tool acting on the tool holder, while applying a prestressing force in the direction of the weight force, causes a resulting normal force of the lower tool onto the tool holder that is lower relative to the weight force.
The invention relates to a method for the transport and/or handling of components (4), in particular sheet metal parts and a production plant (1) comprising a manipulator arrangement (2) having a first manipulator (5) and at least one second manipulator (6), wherein the first manipulator (5) and the at least one second manipulator (6) are designed to pick up, transport, hold and/or deposit a component (4), at least one processing apparatus (3) for carrying out processing steps on the component (4), wherein the component (4) is transferred from the first manipulator (5) to the at least one second manipulator (6) after a first processing cycle at a predetermined transfer time, the transfer time being between the first processing cycle and at least one second processing cycle, wherein the component (4) at least in portions rests on the processing apparatus (3) during the transfer time and is supported in a load-dissipating manner solely by the processing apparatus (3).
The invention relates to a manipulator assembly (1) for transporting and/or handling components (5), in particular sheet metal components (6), and to a method for bending a component (5) by means of a manipulator assembly (1), the manipulator assembly comprising: a first manipulator (2), which has a first rotatably mounted coupling means (7) for a gripping tool (8); a second manipulator (4), which has a second coupling means (9) for a gripping tool (8); a coupler element (3), which comprises a first coupling element (10) for the first manipulator (2), a second coupling element (11) for the second manipulator (4) and a first rotatable bearing device (12) for a gripping tool (8), the first coupling element (10) comprising a second rotatable bearing device (13), the second bearing device (13) being mechanically coupled to the first bearing device (12), and a rotational motion (14) applied to the first coupling element (10) being able to be transmitted to the first bearing device (12) by means of the second bearing device (13).
A tool-changing unit for a production plant for forming sheet metal using a bending operation. The tool-changing unit includes a tool-holding device having a carrier body and a number “n” of tool-holding modules arranged directly next to one another and held on the carrier body. Each one of the tool-holding modules includes a first coupler and a first actuating device cooperating therewith as a component of a coupling device, wherein the first coupler can be brought into coupling engagement and out of coupling engagement with an individual clamping jaw of a clamping jaw set. Moreover, a production plant has the tool-changing unit and the clamping jaw a method changes tools.
The invention relates to a method for transferring a workpiece (3) in a bending unit (1) comprising at least one bending machine (4) from a first manipulator (17) to a second manipulator (18) by means of a manipulation system (2). Each manipulator (17, 18) comprises first, second and third manipulator arms (22, 22'; 24, 24'; 26, 26'), which each can be pivoted about second axes (23, 23'), third axes (25, 25') and fourth axes (27, 27') respectively, and exclusively in parallel alignment with respect to a first axis (20) of a guide arrangement (19). The workpiece (3) is gripped by a holding arrangement (28) of the first manipulator (17). The third manipulator arms (26, 26') are aligned so that they are opposite one another and extend up to one another, and the same workpiece (3) is gripped by a holding arrangement (28') of the second manipulator (18) and subsequently released by the holding arrangement (28) of the first manipulator (17) for the direct transfer process. The invention also relates to a manipulation system (2) and to a bending unit (1) equipped with said system.
The invention relates to a method for positioning an operating apparatus (28) in respect of a bending machine (3) of a production line (1) for bending sheet metal. A work surface (39) having specified boundaries is defined for the operating apparatus (28), within which work surface the operating apparatus (28) can be relocated. A target position is transmitted to an operating-control unit (35) via a first communication interface (33) and a current actual position of the operating apparatus (28) is determined. In addition, a target travel path (40) between the positions is determined and a generated travel command is transmitted to a travel drive (36). The operating apparatus (28) is automatically and autonomously relocated along the target travel path (40) and parked positioned at the target position.
B21D 5/00 - Bending sheet metal along straight lines, e.g. to form simple curves
B21D 5/02 - Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
B21D 5/04 - Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work
G05B 19/409 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using manual data input [MDI] or by using control panel, e.g. controlling functions with the panelNumerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control panel details or by setting parameters
54.
METHOD AND SYSTEM FOR OPTIMISING THE CONFIGURATION OF BENDING TOOLS OF A BENDING MACHINE
The invention relates to a method and a system for optimising the configuration of bending tools (9, 10) of a bending machine (1), which bending tools (9, 10) are formed from a plurality of bending punches (14) in serial succession and from a plurality of bending dies (11) in serial succession, which functionally cooperate with the bending punches (14). Data of at least one bending model, which provides the basis for a workpiece (3) that is to be made, or data of a plurality of bending jobs from a bending job stack, which jobs are to be carried out sequentially, is entered into a computing unit (25). In view of at least one of the bending models to be implemented or in view of the at least one bending job stack to be completed, the computing unit (25) determines a characteristic change frequency value (30) for at least some individual bending tools (9, 10). Taking into account the respective characteristic change frequency values (30) for the bending tools (9, 10), positions of the individual bending tools (9, 10) relative to their tool holders (12, 15) are determined or proposed by the computing unit (25), and the bending tools (9, 10) are positioned in the bending machine (1) taking into account the characteristic change frequency values (30) for the bending tools (9, 10).
G05B 19/4093 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine
The invention relates to a manufacturing device (1) comprising a manufacturing cell (2) for machining workpieces (6); a laterally peripheral protective partition (8) in which a lock (13) is provided for carrying out a loading process of the workpieces (6), a first light barrier assembly (14) being provided on the lock (13); and a driverless conveyor means (3) comprising a load receiving means (4) for transporting the workpieces (6). In order to carry out the loading process, a second light barrier assembly (27) and a third light barrier assembly (28) are provided between the conveyor means (3) and the lock (13) such that the load receiving means (4) and the workpieces (6) are laterally bordered on opposite sides by the second light barrier assembly (27) and the third light barrier assembly (28).
G01V 8/10 - Detecting, e.g. by using light barriers
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
56.
MEASURING DEVICE FOR DETERMINING THE BENDING ANGLE
The invention relates to a bending device (1) for forming a workpiece (4), having two pressure beams and bending tools (2, 3) mounted thereon, having a measuring device (9, 10) for determining a bending angle (7, 8) for the workpiece (4) with respect to a bending axis (6), said measuring device comprising a lighting device (15) for generating a light line (17) on the workpiece (4) and a camera (21) for capturing an image of the light line (17). The camera (21) and a first exit opening (14) of the lighting device (15) are spaced from one another in the direction parallel to the bending axis (6). The bending angle (7, 8) can be determined using an image recognition program, from a change in the image of the light line (17) in images from the camera (21). The lighting device (15) comprises a second exit opening (19) for producing a second light line, wherein the first exit opening (14) and the second exit opening (19) of the lighting device (15) are spaced from one another in the direction parallel to the bending axis (6), and the camera (21) is arranged between the first exit opening (14) and the second exit opening (19).
B21D 5/00 - Bending sheet metal along straight lines, e.g. to form simple curves
B21D 5/02 - Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
G01B 11/26 - Measuring arrangements characterised by the use of optical techniques for measuring angles or tapersMeasuring arrangements characterised by the use of optical techniques for testing the alignment of axes
57.
Tool storage system, production plant and method for manipulating with such a tool storage system
The invention relates to a tool storage system (32) as well as to a production facility (1) for free-form bending of workpieces (2) made from a metal sheet, by means of a bending press (3), comprising a tool storage unit (30), a tool manipulation unit (31), and a provisioning unit (55) having provisioning rails (56, 57). The tool storage unit (30) has an upper and lower storage rail (34, 35), which are disposed spaced apart from one another at a vertical distance, as well as locally fixed in place relative to one another. The tool manipulation unit (31) has tool manipulation devices (36, 37), wherein each of the same comprises a working rail (38, 42), an auxiliary rail (39, 43), a drawing-in device (40, 44), as well as a pushing-out device (41, 45). Each of the tool manipulation devices (36, 37) can be displaced laterally next to the storage rails (34, 35), along a longitudinal guide arrangement (46, 47). Furthermore, the invention also comprises a method for manipulation of at least one bending tool (4) in such a tool storage system (32).
The invention relates to a tool transfer apparatus (1) for moving one or more tools (2), in particular bending tools, in a guide rail (3), comprising: - at least one elongate push and pull transfer device (4) for moving the tool(s) (2), wherein a channel (5) for a supply line (6) is formed in or on the push and pull transfer device (4), - a receptacle (7), which has at least one, preferably spiralled guide (8) for retracting the push and pull transfer device (4), and - at least one supply line (6), a first portion (16) of the supply line (6) running in the channel (5) of the push and pull transfer device (4), characterised in that the guide (8) has an elongate opening (9) extending along the course of the guide, and in that a second portion (17) of the supply line (6) runs outside the push and pull transfer device (4) and outside the guide (8) of the receptacle (7), and in that the supply line (6) exits from the channel (5) between the first portion (16) and the second portion (17) at an exit point (10), which is arranged in a region of the push and pull transfer device (4), which region is situated in the guide (8) of the receptacle (7).
A production installation for producing workpieces from sheet metal by reshaping includes a bending machine, a support table defining a support plane, and a manipulation device having a support arrangement and a holding arrangement. The holding arrangement has interacting upper and lower holding units. The support arrangement has a separate upper support unit and a separate lower support unit, wherein the upper holding unit is arranged on the upper support unit, and the lower holding unit is arranged on the lower support unit. In an open insertion position of the manipulation device for the sheet metal to be accommodated therein, and in a loading region in front of the bending machine, the upper support unit, together with the upper holding unit, is arranged entirely above the support plane, and the lower support unit, together with the lower holding unit, is arranged entirely below the support plane.
B21D 5/04 - Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work
B21D 43/10 - Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
B21D 5/02 - Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
B21D 43/11 - Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers for feeding sheet or strip material
60.
METHOD FOR PROVIDING AT LEAST TWO BENDING TOOL GROUPS
The invention relates to a method for providing at least two bending tool groups (14, 15) for manufacturing workpieces from sheet metal by means of bending operations on bending tools (2, 3). The current location of each individual bending tool (10) is stored in a bending-tool data store (12) and a first bending-tool group (14) is removed from a tool store (4) and conveyed to the first bending machine (2) on the basis of first bending-tool availability information, which is based on first product information. The current locations are updated in the bending tool data store (12). Then, on the basis of second bending-tool availability information, which is based on second product information, a determination is made whether the bending tools (10) required to form the second bending tool group (15) are in the tool store (4). If this is the case, the bending tools (10) are removed from the tool store (4) as the second bending tool group (15).
The invention relates to a method for transporting components and to an automated vacuum gripper (1) for components (3), in particular sheet metal parts, comprising a plurality of suction cups (4) which are arranged on a preferably movable supporting part (5), a first vacuum generator (8) for forming a first vacuum circuit (9), a second vacuum generator (10) for forming a second vacuum circuit (11), at least one switching element connected to a plant controller (14) for automated switching over from the first vacuum circuit (9) to the second vacuum circuit (11), at least one compressed air supply (15) connected to at least the first and second vacuum generator (8), and at least one sensor device (16, 17). The first vacuum generator (8) is associated with a first predeterminable group (12) of suction cups (4) and the second vacuum generator (10) is connected to a vacuum tank (18) for forming a second vacuum circuit (11) which can be activated in an emergency and is redundant to the first vacuum circuit (9), and at least one first sensor device (16) is designed for monitoring the vacuum on at least the first vacuum circuit (9) and at least one second sensor device (17) has an optical sensor for detecting a relative movement of the component (3) during a transport operation.
B25J 15/06 - Gripping heads with vacuum or magnetic holding means
B66C 1/02 - Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by suction means
62.
VACUUM GRIPPER, FEED UNIT, AND METHOD FOR CONVEYING FLAT COMPONENTS
The invention relates to an automated vacuum gripper, a feed unit, and a method for conveying flat components (3). The vacuum gripper (1) comprises a support part (5), at least one support part element (7), a plurality of first suction elements (4') provided on the at least one support part element (7) and defining a first suction plane; at least one bearing assembly (28) and at least one positioning assembly (29), the at least one support part element (7) being mounted on the support part (5) so as to pivot about the at least one bearing assembly (28) by means of the at least one positioning assembly (29). A plurality of second suction elements (4) is provided on the support part (5) and defines a second suction plane (19). The at least one support part element (7) with its first suction plane defined by the plurality of first suction elements (4') can be pivoted from a standby position that is at an angle relative to the second suction plane, into a working position that is congruous with the second suction plane, and vice versa.
B65G 47/91 - Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
B23Q 7/04 - Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers
The invention relates to a method for producing a component by forming a workpiece (5) from sheet metal with a bending machine (1) comprising a control device (10) and a production program (14) for operating the bending machine (1), wherein at least two production steps, each involving forming by bending, are performed on the workpiece (5) in a working region (18), and wherein the working region (18) is monitored with a camera (16, 17) and images of the working region (18) are presented to the operator (20) by a display means (19), and wherein, during the performance of a first production step, the images of the working region (18) that are to be presented by the display means (19) are overlaid by an image processing program (15) with working instructions for a subsequent phase of the current, first production step or for a next-following, second production step, and are presented by the display means (19).
B21D 5/00 - Bending sheet metal along straight lines, e.g. to form simple curves
B21D 5/02 - Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
G05B 19/409 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using manual data input [MDI] or by using control panel, e.g. controlling functions with the panelNumerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control panel details or by setting parameters
The invention relates to a method for operating a press brake (10), the press brake (10) comprising: a first platform (1) having a first tool holder (11) and a second platform (2) having a second tool holder (12), one of the platforms (1) being movable relative to the other platform (2) in order to perform a working movement; a safety device (20) for producing a light barrier (27), in particular a laser light barrier, which light barrier extends between the tool holders (11, 12) perpendicularly to the working movement of the movable platform (1) and forms, in the cross-section, a light field (7), the safety device (20) comprising a first holder (21), which bears a light transmitter (25) for producing the light barrier (27), and a second holder (22), which bears a light receiver (26) for receiving the light of the light barrier (27), and the first holder (21) being arranged on a first side of the first platform (1) and being adjustable relative to the first platform (1) by means of a first adjustment drive (23) in such a way that the position of the light barrier (27) relative to the first tool holder (11) in the direction of the working movement of the movable platform (1) can be changed; a control device (9), which is connected to the first adjustment drive (23), characterized in that, before a bending operation or a series of bending operations, the control device (9) brings the first holder (21) into a working position by actuating the first adjustment drive (23), in which working position the tool tip (4) of a bending tool (8) held by the first tool holder (11) lies within the light field (7) formed by the light barrier (27).
B21D 5/00 - Bending sheet metal along straight lines, e.g. to form simple curves
B21D 5/02 - Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
B21D 55/00 - Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
B30B 15/28 - Arrangements for preventing distortion of, or damage to, presses or parts thereof
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machineControl arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
65.
BENDING PRESS AND METHOD FOR OPERATING A BENDING PRESS
The invention relates to a bending press (10) for bending a workpiece (19), comprising - a first platform (1) with a first tool mounting (11) and a second platform (2) with a second tool mounting (12), one of the platforms (1) being designed to carry out a working movement relative to the other platform (2), - a first securing device (20) for generating a light barrier (27) which runs between the tool mountings (11, 12) transversely to the working movement of the movable platform (1), wherein the first securing device (20) has a first mounting (21) and a second mounting (22), one of the mountings (21) has a light emitter (25) and the other mounting (22) has a light receiver (26), and the first mounting (21) is arranged on a first face of the first platform (1) and can be moved relative to the first platform (1) by a first adjustment drive (23), and - a controller (9) which is connected to the first adjustment drive (23). The invention is characterized in that the first tool mounting (11) is designed in the form of a guide rail which has a first end-face opening (13) on the first end of the guide rail for changing a bending tool (8), and the access for changing a bending tool (8) via the first end-face opening (13) is blocked in a first position of the first mounting (21) relative to the first platform (1) and is released in a second position of the first mounting (21) relative to the first platform (1).
B21D 5/02 - Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
B21D 55/00 - Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
B30B 15/28 - Arrangements for preventing distortion of, or damage to, presses or parts thereof
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machineControl arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
66.
BENDING DEVICE AND METHOD FOR DETERMINING AT LEAST ONE MATERIAL PARAMETER AND/OR PROCESSING PARAMETER FOR A WORKPIECE-PROCESSING DEVICE
The invention relates to a method for determining at least one material parameter (19) and/or at least one processing parameter (20) and/or for selecting or creating a processing program for the control system (8) of a workpiece-processing device (10), preferably a bending machine, in particular a press brake or a folding machine, and/or a welding device, in particular a laser welding device, comprising the steps of: (a) removing a workpiece sample (2) of a sheet-like material, in particular sheet metal, preferably from a sheet metal piece (3) or from a charge (4) of sheet metal pieces (3), (b) carrying out at least one measurement on the workpiece sample (2), (c) determining at least one material parameter (19) and/or at least one processing parameter (20) and/or selecting or creating a processing program for the control system (8) of a workpiece-processing device (10) depending on the result of the at least one measurement on the workpiece sample (2), characterized by the step of (d) bending the workpiece sample (2) by means of a bending device (1), the at least one measurement being carried out on the workpiece sample (2) when the workpiece sample (2) is in at least one bent state.
characterized in that the bending tool storage device (1) comprises, between the transfer point (6) and the supply path (10), a rotating installation (7) for rotating the bending tools (2).
The invention relates to a cranked bending tool (1) for a bending machine, said tool comprising a tool body (3) which has at least one tool shaft (4) for receiving at least part of the bending tool (1) in a receiving shaft provided therefor, and which tool body (3) has a tool centre of gravity outside a vertical plane of symmetry of the receiving shaft. At least one movement means (8) is provided on the tool shaft (4) for moving the bending tool (1) in the longitudinal direction (22) of the bending machine and for receiving same in a groove, at least one side of said movement means being excellently designed on the tool shaft (4) relative in each case to a tool shaft surface (7). In addition, at least one spacer element (2) is designed which is provided for applying a supporting force (23) which counteracts the tilting moment caused by deviation of the tool centre of gravity from the plane of symmetry in the transverse direction (21). The at least one spacer element (2) comprises at least one rolling body (25) which is mounted with a prestressing force (24), is mounted on or at least partially inside the tool body (3) so as to be movable at least in the direction of the prestressing force (24), and at least part of which is arranged excellently relative to a surface of the tool body (3) which is preferably adjacent to the at least one rolling body (25).
A production installation for producing workpieces from sheet metal by forming in a bending operation includes a bending machine and a clamping tool having at least one lower clamping jaw and an upper clamping jaw set including first upper clamping jaws and a second upper clamping jaw. The second upper clamping jaw has a clamping jaw part at each of the two second upper clamping jaw end sections, the clamping jaw parts being movable from a working to a pull-out position. At least one first upper clamping jaw is arranged on both sides of the second upper clamping jaw. The first upper clamping jaws have a first horn at each of the first end regions of the first upper clamping jaws facing away from the second upper clamping jaw. A method adapts a total length of a bending edge of a clamping jaw set of this production installation.
The invention relates to a method for producing a component by shaping a workpiece (5) made of sheet metal using a manufacturing device (1) comprising bending tools (6, 7) fastened to crossheads (2, 3) and comprising a control means (10) having a manufacturing program (14) for semi-automatic operation of the manufacturing device (1), at least two manufacturing steps (F1, F2) being performed, each comprising shaping by means of bending, and a manufacturing step (F1, F2) comprising: positioning stops (8, 9) for orienting the workpiece (5); placement of the workpiece (5) in the working region (16) by an operator; performing the shaping by means of bending; moving the crossheads (2, 3) away from one another and removal of the workpiece (5) by the operator. After a first manufacturing step (F1), execution of a subsequent second manufacturing step (F2) of the manufacturing program (14) is started, by the working region (16) being captured by a camera (17, 18) and the position and orientation of the workpiece (5) being determined by an image recognition program (15) and, based on the position of the workpiece (5) determined by the image recognition program (15), the subsequent second manufacturing step (F2) being started by the manufacturing program (14).
The invention relates to a lower tool (3) for a bending machine (1), in particular a die bending machine, comprising a longitudinally extending main body (5) which, on its underside (6), has a tool shaft (8) for receiving in a guide groove (9) of a tool holder (10) and optionally in the transverse direction (13), tool shoulders (7), and at least one friction reduction device (11) is arranged on the underside (6) of the main body (5) in order to reduce a friction force (15) between the underside (6) and the tool holder (10) during a displacement of the lower tool (3) in the longitudinal direction (12), characterized in that the at least one friction reduction device (11) is designed in such a way that a weight force (17) of the lower tool (3) on the tool holder (10), under the application of a pretensioning force (16) in the direction of the weight force (17), causes a resultant normal force (18) of the lower tool (3) on the tool receptacle (10) which is lower relative to the weight force (17).
The invention relates to a gripper device (1) and a method for monitoring the movement of objects (2), preferably metal sheets, comprising a system controller (3), which is designed for processing object data (31) and for controlling a gripper module (4), wherein the gripper module (4) has at least two gripper jaws (5) designed to cooperate with one another, which form a receiving space (6) therebetween for receiving at least parts of an object (2) to be monitored and to be transported, the gripper jaws (5) being designed in such a manner that by applying a predefinable clamping force (7) at least one frictional connection is made possible between the gripper jaws (5) and at least parts of the object (2), by means of which the object (2) can be moved, and at least one sensor element (8) for acquiring the object data (31) of the object (2) to be monitored and to be moved, wherein the at least one sensor element (8) is arranged on at least one gripper jaw (5) with the sensor region (9) thereof facing the receiving space (6) and is designed to detect a relative movement and/or relative speed (26) of the object (2) in respect of at least one of the gripper jaws (5) by at least intermittent acquisition of the object data (31).
Device and method for positioning of a bending tool (1) by means of an electromagnet (2) that can be displaced along a magnetic guide,
which bending tool (1) is held on a tool holder (4) by a retaining carriage (3) that can be displaced in a direction of movement along a retaining-carriage guide and which bending tool (1) comprises a magnet holder (5) of a magnetizable material, wherein an adjustable magnetic force acts between the electromagnet and the magnet holder (5).
The invention relates to a loading method for a machine tool (12), especially for a bending machine, having a tool-transfer device (1), a tool holder (17) of the machine tool (12), and a tool rack (13), wherein the tool holder (17) and the tool rack (13) are connected via a guide rail (4), and the tool-transfer device (1) has a magnetic retaining device (5). The tool-transfer device (1) is moved to a machining tool (18), which is arranged in a pick-up position (20) in a tool holder (17) or in a tool rack (13). The machining tool (18) is picked up and retained by means of a magnetic retaining device (5) of the tool-transfer device (1) and moved along the guide track (4) to a deposition position (21). There the machining tool (18) is deposited by deactivation of the magnetic retaining force (22). The magnetic retaining device (5) has an electromagnet (6) having an electronic activating device (7) wherein, upon deactivation of the magnetic retaining force (22), a demagnetization is performed by the activating device (7).
The invention relates to a tool-changing unit (39) for a manufacturing facility (1) for shaping sheet metal by way of a bending process. The tool-changing unit (39) comprises a tool-holding device (48), wherein this comprises a supporting body (49) and a quantity of tool-holding modules (50) arranged one inside the other and held on the supporting body (49). Each tool-holding module (50) comprises a first coupling means (59) as part of a coupling device (58) and a first adjustment means (60) cooperating with said first coupling means. The first coupling means (59) can be brought into coupled engagement or out of coupled engagement with an individual clamping jaw (43, 44, 45, 46) of a clamping jaw set (42). The invention furthermore also relates to an upper clamping jaw (6), a manufacturing facility (1) comprising the tool-changing unit (39) and the clamping jaw (6), and to a method for changing a tool.
A forming operation on a workpiece clamps the workpiece between a first clamping jaw with a first shaping edge, and an adjustable second clamping jaw with a second shaping edge so that a portion projects between the shaping edges and afterwards a bending edge of an adjustable bending bar is guided at a distance past the shaping edges, whereby the portion of the workpiece is angled away in relation to the part of the workpiece that is clamped between the clamping jaws. The bending edge is guided on angling along a straight path of movement of the bending edge, and after the bending edge has passed the shaping edges, the shaping edges are adjusted along an adjustment path which approaches the path of movement of the bending edge.
The invention relates to a workpiece processing machine (1), and to a method for operation of a workpiece processing machine (1). The workpiece processing machine (1) comprises an automatically adjustable stop finger (17), and has, for monitoring adjustment movements of the stop finger (17), a monitoring device (36, 37, 38) that comprises an illuminating device (36) and at least one optical detection device (37). In operation of the workpiece processing machine (1), during an automatically controlled adjustment movement of the stop finger (17), a light beam (38) is radiated into an area ahead of the stop finger (17) in the adjustment direction. Upon detection of a first light image (43) projected onto an object surface (42) by the first light beam (38), a safety measure is triggered.
B21D 5/00 - Bending sheet metal along straight lines, e.g. to form simple curves
B21D 5/02 - Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
B21D 43/00 - Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profilesAssociations therewith of cutting devices
B21D 55/00 - Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machineControl arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
78.
Backgauge for a bending machine and method for positioning a backgauge of this kind
A back gauge for a back gauge positioning system of a bending machine includes a stop finger on which at least one stop surface is configured, and a base unit that is configured for coupling with the back gauge positioning system. The stop finger is coupled with the base unit by a linear guide, and the stop finger can be displaced relative to the base unit between a pushed-forward working position and a retracted position. The stop finger and the base unit are coupled with a first spring element, by which the stop finger is pre-loaded into its working position, and a locking device is configured, by which the stop finger can optionally be locked in the working position or is released into its retracted position for displacement counter to the spring force of the first spring element.
A bending machine with a work area image capture apparatus has a machine frame, a longitudinally extended, fixed machine table, and a longitudinally extended press beam moved by a drive relative to the frame and guided therein. The longitudinal expanse and the press beam movement direction define a working plane establishing a front working and manipulation space and a rear machine space. An image capture apparatus above the machine table in the machine space has a capture region oriented toward the machine space and is connected with a display configured to represent the captured image of the capture region. The capture apparatus is connected with the display by an image processing processor having a coordinate transformation module configured the captured image perspective. The coordinate transformation module is connected with a wireless position determination system configured to determine the machine operator position in the working and manipulation space.
The invention relates to a bending tool (1) comprising a tool body (2) having an upper (3) and an opposite lower end region (4), wherein an attachment extension (5) is configured in the upper end region (3), and a working tip (6) is configured in the lower end region (4). A tool identification marker (11) is disposed in the tool body (2), and a communication interface (9) is disposed in the attachment extension (5) on at least one side surface (8) and not projecting beyond it, which interface is connected with the tool identification marker (11) by way of a connection line (10). An electronics unit (12) is disposed in the tool body (2). A voltage supply contact (14) that is electrically insulated relative to the tool body (2) is is disposed on the attachment extension (5), which contact is connected with a voltage supply module (15) of the electronics unit (12). Furthermore, a change-over switch (16) is disposed in the connection line (10), wherein in a first switching position, the tool identification marker (11) is connected with the communication interface (9), and in a second switching position of the change-over switch (16), the electronics unit (12) is connected with the communication interface (9).
B21D 5/00 - Bending sheet metal along straight lines, e.g. to form simple curves
B21D 5/02 - Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
H03K 17/687 - Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices the devices being field-effect transistors
81.
DETERMINING THE BEND DEDUCTION OF A SHEET METAL WORKPIECE TO BE BENT
The invention relates to a method for estimating the length reduction of a sheet metal workpiece which is bent about n bending axes and by n bending angles alpha, having the following step: the bent sheet metal workpiece comprises n+1 limbs which extend along an extension line and n curved regions which are produced by bending the sheet metal workpiece and extend between two adjacent limbs.
A bending machine has a work area image capture apparatus. A longitudinal expanse and the movement direction of the press beam define a working plane, which establishes a front working and manipulation space and a rear machine space, which is distinguished from the former and, in particular, closed off. An image capture apparatus is disposed in the working and manipulation space above the machine table, in a center section of the longitudinal expanse of the press beam, which apparatus is connected with a display, which is configured for representation of the captured image of the capture region. The image capture apparatus is disposed in a press beam casing, and has two image capture devices, wherein each image capture device captures a partial section in the direction of the machine table.
An elongated bending beam for a swivel bending machine has an approximately C-shaped beam cross section and two bending tools, which are opposite one another relative to a preferably horizontal central plane, and which run facing one another in the longitudinal direction of the bending beam, between which a workpiece portion of a workpiece to be bent can be introduced. An angle-measuring system for contactlessly measuring a bending angle is arranged inside the C-shape beam cross section, with which a bending angle can be measured relative to a reference plane at a workpiece section bent by one of the bending tools. The angle-measuring system also includes a first angle-measuring unit arranged below the central plane and having a first measuring region positioned substantially above the central plane, and a second angle-measuring unit arranged above the central plane and having a second measuring region positioned substantially below the central plane.
B21D 5/00 - Bending sheet metal along straight lines, e.g. to form simple curves
B21D 5/04 - Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work
G01B 11/26 - Measuring arrangements characterised by the use of optical techniques for measuring angles or tapersMeasuring arrangements characterised by the use of optical techniques for testing the alignment of axes
G01B 21/22 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapersMeasuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for testing the alignment of axes
The invention relates to a gripper system (16) for a press brake (2), having a gripping device (11) for manipulating a bending tool (6). The gripping device (11) comprises a first gripping arm (21) and a second gripping arm (22) that is displaceable in the clamping direction (26) relative to the first gripping arm (21), said gripping arms (21) being configured to engage in a gripping groove (17, 18) of a bending tool (6) and to clamp the bending tool (6). The gripping device (11) is arranged on a carriage system (46), said carriage system (46) comprising a horizontal linear guide (47) by means of which the gripping device (11) is displaceable towards the gripping groove (17, 18) or away from the gripping groove (17, 18) in the longitudinal direction (35) of the gripping arms (21, 22).
The invention relates to a brake press arrangement (1) comprising: - a brake press (2) for bending workpieces, more particularly an edging press, - a seat (3) positioned in front of the brake press (2) for an operator of said brake press (2), and - an adjustable support system (10) which supports the seat (3) and is secured at a securing point (9), the brake press (2) having a frame (4) that supports a first tool holder (5) and a second tool holder (6). The first tool holder (5) can be moved relative to the second tool holder (6) in order to execute a working movement. In order to increase the flexibility of the seated position and to reduce the space required, the support system (10), between the securing point (9) and the seat (3), is formed by a first support element (11) with a first degree of freedom of movement relative to the frame (4) and a second support element (12) that is carried by the first support element (11) and has a second degree of freedom of movement relative to the first support element (11).
The invention relates to a bending step selection method (1) carried out on a control system (20) of a bending machine, comprising an image detecting step, an image preparation and analysis step, a comparison step, a selection step and an application step. In the image detecting step, an image (4) of a sheet metal part (2) which is to be machined is detected by image capturing means (3). In the image preparation and analysing step, the sheet metal part (2) is determined in the detected image (4) and a processing window (8) is defined, and a pattern-finding process is carried out, and an actual partial code (10) is determined. In the comparison step, stored workpiece data sets are read out from a connected data memory (13), and respectively a reference partial code (12) is extracted therefrom, said partial code being compared to the determined actual partial code (10), and determines a degree of conformity (14). For selecting (15) the highest degree of conformity (14), an overview representation (17) is extracted from the workpiece data set (16) and transmits using the degree of conformity (14) to a human-machine interface (18). In the selection step, the degree of conformity (14) and the overview representations (17) are represented on image output means (19), and a degree of conformity (14) is selected using the control element (21). The selection is transmitted back to the data processing module (6) and is transferred to the control system (20) from the data processing module (6) of the corresponding workpiece data set (16) in the application step.
G05B 19/4068 - Verifying part programme on screen, by drawing or other means
B21D 5/00 - Bending sheet metal along straight lines, e.g. to form simple curves
G05B 19/4093 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine
The invention relates to a production plant (1) for bending sheet metal comprising a bending press (3) with pressing bars (13, 16), a bending tool (4), a tool manipulation unit (30) for the bending tool (4), and a protective unit (29) with a protective element (32) and an adjusting device (33, 34). The protective element (32) of the protective unit (29) can be moved from a protective position which covers the bending tool (4) into a release position which releases the bending tool (4). The adjusting device (33) comprises at least two brackets (37) and at least two holding arms (38), the protective element (32) being mounted on the brackets (37) in an articulated manner by means of the holding arms (38). The adjusting device (44) can also comprise at least two linear guide arrangements (45) with in each case a plurality of guide rails (46, 47, 48), by means of which the protective element (32) can be moved between the two positions.
B21D 55/00 - Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
F16P 3/04 - Screens or other safety members moving in synchronism with members which move to and fro for machines with parts which approach one another during operation, e.g. for stamping presses
88.
BENDING TOOL STORAGE DEVICE AND METHOD FOR FEEDING A PRESS BRAKE
The invention relates to a bending tool storage device (1) for storing bending tools (2), comprising: a preferably shelf-type rack (3) on which a plurality of storage locations (4) for bending tools (2) are arranged, at least one supply path (10), preferably in the form of a tool guide (11), for issuing and/or retrieving bending tools (2), and at least a first transfer unit (5) for transferring bending tools (2) between the storage locations (4) and a transfer point (6), characterized in that the bending tool storage device (1) includes, between the transfer point (6) and the supply path (10), a rotating mechanism (7) for rotating the bending tools (2).
The invention relates to a tool magazine (26) for a bending machine (3), in particular for a press brake, wherein the tool magazine (26) has a plurality of storage rails (28), which are arranged in a magazine housing (27) and serve to hold bending tools (4), wherein the storage rails (28) are designed in such a way that a plurality of bending tools (4) can fit lined up one behind the other in the longitudinal extent (30) of the storage rails. The storage rails (28) can be pulled out from a front side (29) of the magazine housing (27) in the direction of the longitudinal extent (30) of the storage rails.
The invention relates to a production installation (1) for producing workpieces (2) from sheet metal by means of forming in a bending operation. The production installation (1) comprises a bending machine (3) and a clamping tool (4), which has at least one lower clamping jaw (5) and an upper clamping jaw set (43), which comprises a plurality of first upper clamping jaws (6A) and a second upper clamping jaw (6B). The second upper clamping jaw (6B) has a clamping jaw part (47, 48) at each of the two end sections (46, 48) of the second upper clamping jaw, said clamping jaw parts being movable from a working position to a pull-out position. At least one first upper clamping jaw (6A) is arranged on both sides of the second upper clamping jaw (6B). The first upper clamping jaws (6A) have a first horn (52) at each of the first end regions (51) of the first upper clamping jaws facing away from the second upper clamping jaw (6B). The invention further relates to a method for adapting a total length of a bending edge (45) of a clamping jaw set (43, 44) of such a production installation (1).
The invention relates to a method for bending a workpiece (2) along a straight bending line (27) by means of a first bending tool (5) and a second bending tool (6) of a press brake (3), wherein, during the approaching motion between the first bending tool (5) and the second bending tool (6), the region between the two bending tools (5, 6) is monitored for the presence of obstacles by a control device (24) by means of a safety system (30). Then, the position of the bending line (27) of the relieved and pre-bent workpiece (2) in relation to a center plane (40) of the first bending tool (5) and/or of the second bending tool (6) is determined by means of the safety system (30). On the basis of a control signal, the position of the workpiece (2) is corrected until the position deviation (42) of the bending line (27) lies within a permissible maximum deviation from the center plane (40). Then, the workpiece (2) is bent to the final angle thereof.
The invention relates to a loading method for a machine tool (12), in particular for a bending machine, with a tool transfer device (1), a tool receiver (17) of the machine tool (12) and a tool rest (13), wherein the tool receiver (17) and the tool rest (13) are connected via a guide path (4), and the tool transfer device (1) has a magnetic retaining device (5). The tool transfer device (1) is moved towards a machining tool (18), which is arranged in a tool receiver (17) or in a tool rest (13) in a receiving position (20). The machining tool (18) is received and retained by a magnetic retaining device (5) of the tool transfer device (1) and moved along the guide path (4) to a release position (21). In this position, the machining tool (18) is released by removing the magnetic retaining force (22). The magnetic retaining device (5) has an electromagnet (6) with an electronic control device (7), wherein a demagnetisation is carried out by the control device (7) with the removal of the magnetic retaining force (22).
The invention relates to a bending machine (1) for metal sheets (3). The bending machine (1) comprises a machine frame (4) and a support device (15) which is designed to hold the metal sheet (3) to be bent, a support surface (16) of the support device (15) being arranged in a horizontal plane with the support surface (7) of a clamping base (5). The support device (15) has at least a first support module (17) and a second support module (18) having a first support surface (19) and a second support surface (20). At least one of the support modules (17, 18) is horizontally displaceable in the longitudinal direction (21) of the bending machine (1) and as a result a first gap (22) extending at right angles to the blank-holder edge (12) can be set between the two support modules (17, 18). The support modules (17, 18) each have at least a first support element (24) and a second support element (24, 25) with a second gap (26) located between the support elements (24, 25), which second gap (26) is oriented parallel to the blank-holder edge (12).
B21D 5/00 - Bending sheet metal along straight lines, e.g. to form simple curves
B21D 5/04 - Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work
B21D 43/00 - Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profilesAssociations therewith of cutting devices
94.
PRODUCTION INSTALLATION HAVING A MANIPULATION DEVICE
The invention relates to a production installation (1) for producing workpieces (2) from sheet metal by means of reshaping. The production installation (1) comprises a bending machine (3), a support table (32) defining a support plane (33), and a manipulation device (39) having a support arrangement (40) and having a holding arrangement (43). The holding arrangement (43) has an upper holding unit (44) and a lower holding unit (45) interacting therewith. The support arrangement (40) has a separate upper support unit (41) and a separate lower support unit (42), wherein the upper holding unit (44) is arranged on the upper support unit (41), and the lower holding unit (45) is arranged on the lower support unit (42). In an open insertion position of the manipulation device (39) for the sheet metal to be accommodated therein, and in a loading region in front of the bending machine (3), the upper support unit (41), together with the upper holding unit (44), is arranged entirely above the support plane (33), and the lower support unit (42), together with the lower holding unit (45), is arranged entirely below the support plane (33).
B21D 5/04 - Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work
B21D 43/11 - Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers for feeding sheet or strip material
The invention relates to a device and method for positioning a bending tool (1) by means of an electromagnet (2) that can be displaced along a magnetic guide, said bending tool (1) being held on a tool holder (4) by a holding carriage (3) that can be displaced in a movement direction along a holding carriage guide and said bending tool (1) comprising a magnet receptacle (5) made of a magnetizable material, wherein a selectable magnetic force acts between the electromagnet and the magnet receptacle (5).
The invention relates to a backgauge (15) for a backgauge positioning system of a bending machine. The backgauge (15) comprises a stop finger (18) on which at least one stop surface (17) is formed and a base unit (21) designed for coupling to the backgauge positioning system (14), wherein the stop finger (18) is coupled to the base unit (21) by means of a linear guide (29) and the stop finger (18) can be displaced relative to the base unit (21) between a pushed-forward working position (28) and a retracted position (30), characterised in that the stop finger (18) and the base unit (21) are coupled to a first spring element (34), by means of which the stop finger (18) is prestressed in its working position (28), and in that a locking device (41) is formed by means of which the stop finger (18) can be optionally locked in the working position (28) or is released for displacement, counter to the spring force of the first spring element (34), into its retracted position (30).
The invention relates to a bending tool (1), comprising a tool body (2) having an upper (3) and an opposite lower end region (4), wherein a fastening extension (5) is formed in the upper end region (3) and a working tip (6) is formed in the lower end region (4). A tool identification tag (11) is arranged in the tool body (2), and a communication interface (9) is arranged in the fastening extension (5) on at least one side surface (8), but does not protrude, said communication interface being connected with the tool identification tag (11) via a connecting line (10). An electronics unit (12) is arranged in the tool body (2). A voltage supply contact (14), which is electrically insulated with respect to the tool body (2), is arranged on the fastening extension (5), said voltage supply contact being connected to a voltage supply module (15) of the electronics unit (12). Furthermore, a change-over switch (16) is arranged in the connecting line (10), wherein, in a first switching position, the tool identification tag (11) is connected with the communication interface (9) and, in a second switching position of the change-over switch (16), the electronics unit (12) is connected with the communication interface (9).
B21D 5/00 - Bending sheet metal along straight lines, e.g. to form simple curves
B21D 5/02 - Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
H03K 17/00 - Electronic switching or gating, i.e. not by contact-making and -breaking
G05B 19/18 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
98.
BENDING MACHINE HAVING A BENDING INFORMATION DISPLAY DEVICE
The invention relates to a bending machine (1) having a bending information display device (2), wherein the bending machine (1) comprises a machine frame (3) and a longitudinally extended, fixed machine table (5) and a longitudinally extended press beam (6). The longitudinal extension (7) and the direction of movement (8) of the press beam (6) define a working plane (9), wherein, furthermore, an insertion plane (12) is defined substantially normal to the working plane (9) and by an upper flat side (10) of the machine table (5) or an arranged lower tool (11). The working plane (9) defines a front working and manipulation space (14) and a rear machine space (13) which is delimited therefrom and, in particular, closed. A projector (16) is arranged in the rear machine space (13) and above the insertion plane (12), which has a beam path (17), in particular an upwardly directed beam path (17), which is directed away from the insertion plane (12). A reflector (18) having a first reflecting surface (19) is arranged in the working and manipulation space (14), which first reflecting surface (19) is arranged such that it can be tilted by an angle with respect to the horizontal, so that a light beam incident from the beam path (17) of the projector (16) leaves the first reflecting surface (19) as an outgoing light beam of a beam path (20) of the reflector (18) in the direction of the insertion plane.
The invention relates to a bending machine (1) having a working area image capturing apparatus, wherein the bending machine (1) comprises a machine frame (34), a longitudinally extended, fixed machine table (2) and a longitudinally extended press beam (3). The press beam (3) is guided in the machine frame (34) and is moved by a drive means (4) relative to said machine frame. The longitudinal extension and the direction of movement (8) of the press beam (3) define a working plane (9) which delimits a front working and manipulation space (10) and a rear machine space (11) delimited therefrom. An image capturing apparatus (12) is arranged in the machine space (11) above the machine table (2), wherein a capturing area (13) of the image capturing apparatus (12) is aligned in the direction of the machine space (11). The image capturing apparatus (12) is connected to a display means (17) which is designed to represent the captured image of the capturing area (13). The image capturing apparatus (12) is connected to the display means (17) by means of an image processor (16), wherein the image processor (16) has a coordinate transformation module (18) which is designed to correct the perspective of the captured image. The coordinate transformation module (18) is connected to a wireless position determination system (19) which is designed to determine the position of a machine operator (20) in the working and manipulation space (10).
The invention relates to a bending machine (1) comprising a work area image detection device (2). A longitudinal extension (5) and the direction of movement (8) of the crosshead (6) form clamp a work plane (32) which defines a front working chamber and manipulation chamber (33) and a limited rear machine chamber (34) which is in particular, closed thereby. In the working chamber and manipulation chamber (33) and above the machine table (4), an image detection device (2) which is connected to display means (11) which are designed to display the detected image of the detection area (10), is arranged in a central section of the longitudinal extension (9) of the crosshead. Said image detection device (2) is arranged in a crosshead lining (12) and comprises two image detection means (16), each image detection means (16) detecting a section (19) in the direction of the machine table (4).
patents
