The device (1) for feeding yarn (F) to a processing machine (F) comprises: a frame (2); a spool (3) of yarn (F); a device (4) for mounting the spool (3) to rotate about an axis (Xr1) relative to the frame (2); a system (5) for returning the yarn (F) coming from the spool (3) to the processing machine, including a return pulley (50); a device (6) for mounting the return system (5) rotate about an axis (Xr2) relative to the frame (2); a device (7) for mounting the return system (5) to translate relative to the frame (2) along an axis (Xt) and toward the processing machine; a motorized device (8) for driving the translation of the return system (5) along the axis of translation (Xt) relative to the frame (2); and at least one device (9; 10) for rotating the return system (5) about the axis (Xr2).
The device (1) for bending a profile in two bending directions has a base (2), at least one tool (3) for gripping the profile, a primary tool (6) for rotatably mounting the at least one gripping tool (3) about a first axis of rotation (Xr1) relative to the base (2), a primary drive tool (7) for rotating the at least one gripping tool (3) about this first axis of rotation (Xr1), a system (8) for laterally bearing against the profile, and a system (9) for positioning the lateral bearing system (8) in at least two symmetric positions relative to the first axis of rotation (Xr1). The positioning system (9) has a tool for mounting in curvilinear translation the lateral bearing system (8) relative to the base (2), and a tool (11) for driving in curvilinear translation the at least one lateral bearing system (8) relative to the base (2).
B21D 7/02 - Bending rods, profiles, or tubes over a stationary forming memberBending rods, profiles, or tubes by use of a swinging forming member or abutment
The invention relates to a device (1) for shaping an end of an object, the device (1) comprising a frame (2), means (3) for receiving an object to be shaped and means (4) for mounting the receiving means (3) relative to the frame (2), a carriage (5) and means (6) for translatably mounting the carriage (5) relative to the frame (2), a first cylinder (7) with a first set of shaping tools, a second cylinder (8) with a second set of shaping tools, and means (9) for reversible and rotatable mounting for mounting the first cylinder (7) on the carriage (5), removing this first cylinder (7) from the carriage (5) and mounting the second cylinder (8) on the carriage (5) in place of the first cylinder (7).
The invention relates to a device (1) for straightening a metal wire (F), which device comprises a fixed frame (2), as well as a rotary system (3) which is rotatably mounted about a main axis of rotation (X), and comprising at least one means (4) for centrally receiving the metal wire (F) extending along a central axis that is at least parallel to the main axis of rotation (X), as well as means (5) for positioning the at least one central receiving means (4) within the rotary system (3) so that the central axis can be positioned at various distances from the main axis of rotation (X). This straightening device (1) is characterised in that the positioning means (5) comprise a primary rotary element (8) which is rotatably movable about the main axis of rotation (X) and having a primary recess (80) extending along a primary axis parallel to the main axis of rotation (X) and offset with respect to the main axis of rotation (X), and further comprise a secondary rotary element (9), positioned inside the primary recess (80), which is rotatably movable about the primary axis and with respect to the primary recess (80), and having a secondary recess (90) extending along a secondary axis parallel to the primary axis and offset with respect to the primary axis, and inside which the at least one central receiving means (4) is positioned.
The invention relates to a device (1) for shaping a tubular object. This device comprises at least one shaping means (2), a first rotary element (3) comprising the at least one shaping means (2) and means (4) for movably mounting the at least one shaping means (2), a second rotary element (5), drive means (6) for rotating the first rotary element (3) and the second rotary element (5), and means (15) for moving the at least one shaping means (2). This shaping device (1) is characterised in that the drive means (6) comprise: • - a first rotary motor (7) and a second rotary motor (8); • - an epicyclic gear train (9) with a ring gear (90), a sun gear (91), at least one planet gear (92) and a planet carrier (93); • - first input transmission means (10) for transmitting a rotational movement of the first rotary motor (7) to the ring gear (90), second input transmission means (11) for transmitting a rotational movement of the second rotary motor (8) to the sun gear (91), first output transmission means (12) for transmitting a rotational movement of the ring gear (90) to the first rotary element (3) and second output transmission means (13) for transmitting a rotational movement of the planet carrier (93) to the second rotary element (5).
The invention relates to a device (1) for feeding yarn (F) to a machine for processing this yarn (F), this feeding device (1) comprising: a frame (2); a spool (3) of yarn (F); means (4) for mounting the spool (3) so that it can rotate about an axis of rotation (Xr1) relative to the frame (2); a system (5) for returning the yarn (F) coming from the spool (3) to the processing machine, this return system (5) comprising a return pulley (50); means (6) for mounting the return system (5) so that it can rotate about an axis of rotation (Xr2) relative to the frame (2); means (7) for mounting the return system (5) so as to translate relative to the frame (2) along an axis of translation (Xt) and in the direction of the processing machine; and motorised means (8) for driving the translation of this return system (5) along this axis of translation (Xt) relative to the frame (2). This feeding device (1) is characterised by the fact that it comprises at least one means (9; 10) for rotating the return system (5) about the axis of rotation (Xr2) relative to the frame (2).
B65H 59/36 - Floating elements compensating for irregularities in supply or take-up of material
B65H 59/38 - Adjusting or controlling tension in filamentary material, e.g. for preventing snarlingApplications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension
B65H 59/06 - Adjusting or controlling tension in filamentary material, e.g. for preventing snarlingApplications of tension indicators by regulating delivery of material from supply package by devices acting on material leaving the package
7.
DEVICE FOR BENDING A PROFILE IN TWO BENDING DIRECTIONS
The invention relates to a device (1) for bending a profile in two bending directions. This bending device (1) comprises a base (2), at least one means (3) for gripping the profile, primary means (6) for rotatably mounting the at least one gripping means (3) such that it can rotate about a first axis of rotation (Xr1) relative to the base (2), primary drive means (7) for rotating the at least one gripping means (3) about this first axis of rotation (Xr1) relative to the base (2), a system (8) for laterally bearing against the profile, a system (9) for positioning the lateral bearing system (8) in at least two symmetric positions relative to the first axis of rotation (Xr1). This bending device (1) is characterised in that the positioning system (9) comprises, on the one hand, means for mounting in curvilinear translation the lateral bearing system (8) relative to the base (2) and, on the other hand, means (11) for driving in curvilinear translation the at least one lateral bearing system (8) relative to the base (2).
B21D 7/022 - Bending rods, profiles, or tubes over a stationary forming memberBending rods, profiles, or tubes by use of a swinging forming member or abutment over a stationary forming member only
B21D 7/024 - Bending rods, profiles, or tubes over a stationary forming memberBending rods, profiles, or tubes by use of a swinging forming member or abutment by a swinging forming member
the support shelves (600) punctually receiving the clamping jaw holder (510) separated from the shelf (513) and to move it on either side of the bending axis transversely to the advance axis of the workpiece (300) to be bent, independently of the bending arm (500) so that the clamping jaw holder (510) can be fastened again to the shelf (513) once the bending arm (500) has been rotated 180 degrees.
The invention also relates to a bending process.
Disclosed is a tube bending device which includes at least one bending roller mounted to be rotatably movable relative to a frame and at least one crease erasing member. This device is specific in that it includes a plate designed with: reception surfaces to receive, support and position the crease erasing member which is attached thereto, a unit for fixing to the frame, and guide surfaces pivotably connected for the roller.
The method for producing at least one notch in an outer wall of a tube includes guiding a first punch being made of a preforming tooth, causing the preforming tooth to penetrate through the wall of the tube until a protuberance is formed, positioning a solid cylindrical mandrel inside the tube. Then, the method includes guiding a second punch with a punching tooth, a leading end of the punching tooth having a shape complementary to a shape of the notch to be made in the wall of the tube, positioning a punching mandrel inside the tube, and having a groove suitable for containing the upset material. The invention can be used for notching headrests for the seats of a motor vehicle.
The invention concerns a tool designed to form a collar (4) at one end of a metal tube (2) by displacement of material, said tool comprising: · a female portion comprising a longitudinal recess in which the tube can be immobilised, · a male portion comprising a support (30) and a tooth (40) extending in the longitudinal direction, the tooth comprising an active end designed to penetrate the end of the tube that is to be deformed. The tooth (40) comprises a body having a section of which the dimensions are greater than dimensions of the active end, the active end and the body being connected by a fillet, · the tooth is slidingly mounted in a recess of the support along the longitudinal axis between: - an initial position in which the fillet forms a guide surface designed to guider the end of the tube during deformation, and - an end position in which the fillet forms, with a wall (33) of the recess of the male portion, a groove in which the wall of the tube comes to be immobilised.
B21D 19/08 - Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
B21D 39/06 - Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by platingTube expanders of tubes in openings, e.g. rolling-in
The invention relates to a method for producing at least one notch (11, 12, 13, 13a, 13b) in an outer wall of a tube (10), with the following steps: ET1) guiding a first punch (50) comprising a preforming tooth (52), causing the preforming tooth to penetrate through the wall of the tube until a protuberance (55, 56) is formed, a solid cylindrical mandrel (58) being positioned inside the tube; then, ET2) guiding a second punch (70, 80) with a punching tooth (72, 82), the leading end (73, 83) of the punching tooth (72, 82) having a shape that is complementary to a shape of the notch to be made in the tube wall, a punching mandrel (78) being positioned inside the tube and having a groove (79) suitable for containing the upset material. The invention can be used for notching headrests for the seats of a motor vehicle.
B21C 37/15 - Making tubes of special shapeMaking the fittings
B21C 37/20 - Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies
B21C 37/26 - Making finned or ribbed tubes by fixing strip or like material to tubes helically-ribbed tubes
B21J 5/12 - Forming profiles on internal or external surfaces
09 - Scientific and electric apparatus and instruments
38 - Telecommunications services
Goods & Services
Machines, machine tools and numerically controlled machines
for forming wires, profile sections and tubes of metal and
not of metal. Software for controlling machines and machine tools;
software for simulating machines and machine tools; software
for interfacing and dialog with machines or machine tools. Communication and transmission of computer data, connection
and provision of access to a computer portal and a
transmission and communication network; transmission,
communication and telecommunication by all means including
electronic, computer and telephone means; services for the
transmission, communication and telecommunication of
messages, information and all other data, including those
provided online or stored and forwarded from data-processing
systems, computer databases or computer or data
communication networks, including global telecommunication
networks such as the Internet or Web; electronic and
computer mail and messaging services; provision of
telecommunication access to computer databases or computer
or data communication networks, including global
telecommunication networks such as the Internet or Web;
telecommunication services provided via worldwide
telecommunication networks; said services being in
connection with machines and machine tools in the field of
wires, metal tubes and profiles.
14.
BENDING MACHINE HAVING A BENDING HEAD THAT IS MOVABLE ABOUT A STATIONARY BENDING SHANK
The invention relates to a machine for cambering, shaping, bending or curving a bar (100) along a bending axis (P), said machine comprising: an arm (10), a bending shank (20) supported by the arm, a bending head (50) including a bending lug (72) that is rotatable relative to the bending axis; and a feeding station located upstream from the bending shank for moving the bar along an axis of travel and across the bending shank. The machine according to the invention is characterised in that the bending head also includes: a first connecting rod (80) supporting the bending lug, a second connecting rod (90), a head (91) of which is coupled to a head (81) of the first connecting rod so as to rotate relative to a hinge axis (A) perpendicular to the axis of travel (B), a first drive means (30) for translating a leg (82) of the first connecting rod (80) along an axis parallel to the axis of travel, and a second drive means (40) for translating a leg (92) of the second connecting rod (90) along an axis parallel to the axis of travel. The invention can be used for cambering, shaping, bending, or curving a bar, a wire, a tube, a profile member, etc.
09 - Scientific and electric apparatus and instruments
38 - Telecommunications services
Goods & Services
Machines, namely, wire bending machines, tube bending machines, flat stock bending machines, cutting machines, industrial machine presses, heading machines for forming metal, threading machines; machine tools for coining, piercing, chamfering, welding and threading metal; numerically controlled machines for forming wires, profile sections and tubes of metal and not of metal [ Software for controlling machines and machine tools; software for simulating machines and machine tools; software for interfacing and dialog with machines or machine tools ] [ Communication services, namely, electronic transmission of computer data, providing telecommunications connections and provision of access to a computer portal and telecommunication networks in the nature of a transmission and communication network; transmission of digital files and information; services for the transmission, communication and telecommunication of messages, information and all other data, including those provided online or stored and forwarded from data-processing systems, computer databases or computer or data communication networks, including global telecommunication networks such as the Internet or Web via electronic communications networks and teletypewriter; electronic and computer mail and messaging services; provision of telecommunication access to computer databases, computer networks, and data communication networks in the nature of global telecommunication networks such as the Internet or Web; telecommunication services provided via worldwide telecommunication networks, namely, transmission of information; all said services being in connection with machines and machine tools in the field of wires, metal tubes and profiles ]
The invention relates to a supply station (1) for a thread (2) in a thread-shaping machine, wherein said station includes grooved rollers operating in pairs and rotating in opposite directions, the thread being clamped between said rollers by the relative closing-in of the latter, characterised in that the two rollers of a same pair of driving rollers (9, 10) are supported at the front of a same single-piece bearing block (7), the bearing block being elastically deformable for absorbing a relative movement of said rollers (9, 10). Preferably, the bearing block (7) also includes an endless transmission screw (15) on which meshes a pair of transmission wheels (13, 14) coaxial with the driving rollers (9, 10) that the former rotate. More particularly, a bearing block (7) is capable of deformation so that a relative movement of the rollers results in a rotation-deformation of the bearing block about the axis of the transmission screw (15).
The invention concerns a machine for cambering, forming, folding or bending a bar, a wire or an extruded shape. The invention includes a bending form provided with a clamping system, a device for orienting the tube, and a bending jaw (8). The bending jaw is prismatic and machined to the tube radius on at least one of its surfaces. The kinematics of the displacement of the bending jaw in a peripheral area at the bending form is provided by any combination of at least two, rectilinear or rotating, movements. The bending jaw is steerable in rotation about a median axis perpendicular to the bending plane. The bending jaw is mobile in the vertical direction to provide multiple bending operations.
