The spot-welding electrode inspection device is provided with: a camera unit 2 including a camera body 7 for taking an image of a tip-end of a spot-welding electrode 10 having a welding gun G attached thereto; a control unit 3 for controlling the camera unit 2; a camera cable 4 connecting the camera unit 2 and the control unit. The control unit 3 is provided with: a control substrate 32 for processing the image taken by the camera body 7 and determining the condition of the electrode 10 by comparing a processing result of the image and a setting value which is set in advance; and a metal casing 31 housing the control substrate 32. The casing 31 is attached to a base 11 made of a metal material.
A rotary holder (2) and a cutting component (3) are prepared. The rotary holder (2) can receive a spot-welding electrode tip (11). The cutting component (3) has a cutting edge (3d) and a flank surface (3b). A receiving surface (2c) and the flank surface (3) are treated by blasting to form a rough surface (2d, 3e). The cutting component (3) and the rotary holder (2) are then attached to a tip dresser (10). The electrode tip (11) is received by the receiving surface (2c) and the flank surface (3b) while the rotary holder (2) is rotating to cut and reshape a tip end (11a) of the electrode tip (11) with the cutting edge (3d).
B24C 1/06 - Methods for use of abrasive blasting for producing particular effectsUse of auxiliary equipment in connection with such methods for producing matt surfaces, e.g. on plastic materials, on glass
3.
CUTTING REPRODUCTION METHOD FOR ELECTRODE TIP, AND CUTTER FOR TIP DRESSING
Prepared are: a rotating holder (2) capable of receiving an electrode tip (11) for spot welding; and a cutting member (3) including a cutting-edge section (3d) and a flank face section (3b). A reception face section (2c) and the flank face section (3d) are subjected to a surface treatment by blasting so as to form rough face sections (2d, 3e). Then, the cutting member (3) and the rotating holder (2) are mounted on a tip dresser (10). Thereafter, the electrode tip (11) is received by the reception face section (2c) and the flank face section (3b) while the rotating holder (2) is rotated, thereby causing the cutting-edge section (3d) to cut and reproduce the leading end section (11a) of the electrode tip (11).
This chip recovery system suctions and recovers chips (M1) using a suction unit, the chips (M1) being produced when the distal end of an electrode tip for spot welding is cut using a tip dresser. The suction unit is provided with an electric motor (6) that drives rotation, a centrifugal impeller (5) that rotates due to the electric motor (6) and produces suction force, and a chip recovery case (9) in which the chips (M1) can be recovered. The suction unit is configured such that chips (M1) moving together with air suctioned by the centrifugal impeller (5) are recovered in the chip recovery case (9).
B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling workSafety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
In a coolant drop prevention system (1), a first pipe (4) has a first end connected to a portion of a coolant supply pipe (15) closer to a welding gun (11) than a first stop valve (2). A second pipe (5) has a first end connected to a portion of a coolant discharge pipe (16) closer to the welding gun (11) than a second stop valve (3). A drain pipe (6) has a first end connected to a portion of the coolant discharge pipe (16) farther from the welding gun (11) than the second stop valve (3). A pump unit (7) sucks in coolant from the first pipe (4) and the second pipe (5) and discharges the sucked coolant into the drain pipe (6).
The air blow nozzle includes a nozzle body configured to be connected to an air compressor one end thereof and includes an air discharge portion another end thereof, the air discharge portion is capable of discharging compressed air supplied from the air compressor. The air discharge portion is configured to be movable to a position that does not correspond to an upper communication hole as the nozzle body is slid to one side. The nozzle body includes a nut configured to position the air discharge portion in a predetermined position near a rotary holder as the nozzle body is slid to another side.
B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling workSafety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
In the present invention, a first guide surface part (7) is formed on the distal end of a tool body (2), and a second guide surface part (13) is formed on the distal end of a lever member (3). When the distal end of the tool body (2) and the distal end of the lever member (3) abut against the outer circumferential surface of an electrode (10) mounted on a shank distal end (G1) so that the center axis (C1) of the electrode (10) is positioned therebetween, and the tool body (2) is pushed toward the electrode (10), the first guide surface part (7) and the second guide surface part (13) swing, against resistance of the biasing force of a twist spring (15), the lever member (3) in a direction in which a second gripping part (12) separates from a first gripping part (6), thereby guiding the electrode (10) to a position between the first gripping part (6) and the second gripping part (12).
Provided is a tip dresser which is highly capable of collecting chips. A chip collection unit 8 is provided under a body case 2, the chip collection unit 8 configured to collect chips M1 produced in a cutaway part 4a of a rotary holder 4 during a cutting operation and falling downwardly through a lower communication hole 20b of the body case 2. The chip collection unit 8 includes a chip guiding member 81 provided on one lateral side of a chip falling area R1 that is located downwardly of the lower communication hole 20b, and a first air discharge unit 82 provided on another lateral side of the chip falling area R1. The chip guiding member 81 includes at one end thereof a chip collection port 81b located corresponding to the chip falling area R1, and is connected at another end thereof to a chip collector 83 capable of collecting the chips M1. The first air discharge unit 82 includes an air nozzle 82a configured to discharge compressed air towards the chip collection port 81b.
In a coolant drop prevention system, a first pipe has a first end connected to a portion of a coolant supply pipe closer to a welding gun than a first stop valve. A second pipe has a first end connected to a portion of a coolant discharge pipe closer to the welding gun than a second stop valve. A drain pipe has a first end connected to a portion of the coolant discharge pipe farther from the welding gun than the second stop valve. A pump unit sucks in coolant from the first pipe and the second pipe and discharges the sucked coolant into the drain pipe.
In this coolant drop prevention system (1), one end of a first pipe (4) is connected to a coolant supply pipe (15) on the side of a welding gun (11) with respect to a first stop valve (2). One end of a second pipe (5) is connected to a coolant discharge pipe (16) on the side of the welding gun (11) with respect to a second stop valve (3). One end of a drain pipe (6) is connected to the coolant discharge pipe (16) on the side away from the welding gun (11) with respect to the second stop valve (3). A pump unit (7) discharges the coolant taken up from the first pipe (4) and the second pipe (5) to the drain pipe (6).
Provided are a cutter unit for tip dressing that is capable of extending the useful life of a cutter, can smoothly discharge chips produced during cutting, and is comfortable to use, and a manual tip dresser on which the cutter unit is mounted. A cutter unit (3) attached to a manual tip dresser (1) is provided with a rotating holder (6) and a cutter (7) that can be attached to and removed from the rotating holder (6). The rotating holder (6) comprises a tip receiving section (6c) that receives a tip end section (11a) of an electrode tip (11) during cutting, and a pass-through section (8) that passes through in the rotation axis (C1) direction. The cutter (7) is attached to an inner side surface of the pass-through section (8) in an attitude extending in the radial direction of the rotating holder (6) and in the rotation axis (C1) direction. A widened section (8a), which is set to a size that is wider in the radial direction of the rotating holder (6) than one side thereof in the rotation axis (C1) direction, is provided to the other side of the through section (8) in the rotation axis (C1) direction.
B23B 5/16 - Turning-machines or devices specially adapted for particular workAccessories specially adapted therefor for bevelling, chamfering, or deburring the ends of bars or tubes
Provided is an air blow nozzle that, even when maintenance is periodically performed on a tip dresser, can surely get rid of chips adhering to a cutting blade part during cutting work after the maintenance. In an air blow nozzle 6, a nozzle body 6a is connected to an air compressor 82b at one end and, at the other end, provided with an air discharge part 6d capable of discharging compressed air supplied from the air compressor 82b. A support block 6b supports the nozzle body 6a such that the nozzle body 6a is slidable in a horizontal direction. The air discharge part 6d is movable, when the nozzle body 6a is slid to one side, to a position that does not correspond to an upper connection hole 20a. The nozzle body 6a is provided with a nut 6c for positioning, when the nozzle body 6a is slid to the other side, the air discharge part 6d at a given position P1 which is determined in advance and which is closer to a rotary holder 4.
B23B 25/00 - Accessories or auxiliary equipment for turning-machines
B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling workSafety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
13.
AIR BLOW NOZZLE AND TIP DRESSER EQUIPPED WITH AIR BLOW NOZZLE
Provided is an air blow nozzle that, even when maintenance is periodically performed on a tip dresser, can surely get rid of chips adhering to a cutting blade part during cutting work after the maintenance. In an air blow nozzle 6, a nozzle body 6a is connected to an air compressor 82b at one end and, at the other end, provided with an air discharge part 6d capable of discharging compressed air supplied from the air compressor 82b. A support block 6b supports the nozzle body 6a such that the nozzle body 6a is slidable in a horizontal direction. The air discharge part 6d is movable, when the nozzle body 6a is slid to one side, to a position that does not correspond to an upper connection hole 20a. The nozzle body 6a is provided with a nut 6c for positioning, when the nozzle body 6a is slid to the other side, the air discharge part 6d at a given position P1 which is determined in advance and which is closer to a rotary holder 4.
B23B 25/00 - Accessories or auxiliary equipment for turning-machines
B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling workSafety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
37 - Construction and mining; installation and repair services
Goods & Services
Metalworking machine tools; tip dresser for resistance
welding system; electrode exchange apparatus for resistance
welding system; electrode storage apparatus for resistance
welding system; electrode detaching apparatus for resistance
welding system; electrode cutter for resistance welding
system; electrode cutter holding apparatus for resistance
welding system; electrode inspection apparatus for
resistance welding system; compressed air discharge
apparatus for resistance welding system; electrode forming
apparatus for resistance welding system; chip scattering
prevention apparatus for resistance welding system; chip
recovery apparatus for resistance welding system. Repair or maintenance of metalworking machine tools; repair
or maintenance of tip dresser for resistance welding system;
repair or maintenance of electrode exchange apparatus for
resistance welding system; repair or maintenance of
electrode storage apparatus for resistance welding system;
repair or maintenance of electrode detaching apparatus for
resistance welding system; repair or maintenance of
electrode cutter for resistance welding system; repair or
maintenance of electrode cutter holding apparatus for
resistance welding system; repair or maintenance of
electrode inspection apparatus for resistance welding
system; repair or maintenance of compressed air discharge
apparatus for resistance welding system; repair or
maintenance of electrode forming apparatus for resistance
welding system; repair or maintenance of chip scattering
prevention for resistance welding system; repair or
maintenance of chip recovery apparatus for resistance
welding system.
Provided is a tip dresser which is highly capable of collecting cutting scraps. The bottom side of a main body case 2 is provided with a cutting scrap collection unit 8 for collecting cutting scraps M1 which are produced in a notch 4a of a rotating holder 4 during a cutting operation and drop downward through a bottom-side connecting hole 20b in the main body case 2. The cutting scrap collection unit 8 is equipped with: a cutting scrap guide 81 which is provided on one side of a cutting scrap drop-down region R1 below the bottom-side connecting hole 20b, and on one end thereof has a cutting scrap collection port 81b which corresponds to said cutting scrap drop-down region R1, while on the other end thereof is connected to a cutting scrap collector 83 capable of collecting the cutting scraps M1; and a first air discharge unit 82 which is provided on the other side of the cutting scrap drop-down region R1 and has an air nozzle 82a for discharging compressed air toward the cutting scrap collection port 81b.
Provided is a tip dresser which is highly capable of collecting cutting scraps. The bottom side of a main body case 2 is provided with a cutting scrap collection unit 8 for collecting cutting scraps M1 which are produced in a notch 4a of a rotating holder 4 during a cutting operation and drop downward through a bottom-side connecting hole 20b in the main body case 2. The cutting scrap collection unit 8 is equipped with: a cutting scrap guide 81 which is provided on one side of a cutting scrap drop-down region R1 below the bottom-side connecting hole 20b, and on one end thereof has a cutting scrap collection port 81b which corresponds to said cutting scrap drop-down region R1, while on the other end thereof is connected to a cutting scrap collector 83 capable of collecting the cutting scraps M1; and a first air discharge unit 82 which is provided on the other side of the cutting scrap drop-down region R1 and has an air nozzle 82a for discharging compressed air toward the cutting scrap collection port 81b.
Provided is a spot-welding electrode inspection device that can be installed in a narrow space around an industrial robot, and that has high heat-dissipating properties making it less likely to adversely affect a control substrate during continuous use. The spot-welding electrode inspection device is provided with: a camera unit 2 including a camera body 7 for taking an image of a tip-end of a spot-welding electrode 10 having a welding gun G attached thereto; a control unit 3 for controlling the camera unit 2; and a camera cable 4 connecting the camera unit 2 and the control unit. The control unit 3 is provided with: a control substrate 32 for processing the image taken by the camera body 7 and determining the state of the electrode 10 by comparing a processing result of the image with a setting value which is set in advance; and a metal casing 31 housing the control substrate 32. The casing 31 is attached to a base 11 made of metal material.
Provided is a spot-welding electrode inspection device that can be installed in a narrow space around an industrial robot, and that has high heat-dissipating properties making it less likely to adversely affect a control substrate during continuous use. The spot-welding electrode inspection device is provided with: a camera unit 2 including a camera body 7 for taking an image of a tip-end of a spot-welding electrode 10 having a welding gun G attached thereto; a control unit 3 for controlling the camera unit 2; and a camera cable 4 connecting the camera unit 2 and the control unit. The control unit 3 is provided with: a control substrate 32 for processing the image taken by the camera body 7 and determining the state of the electrode 10 by comparing a processing result of the image with a setting value which is set in advance; and a metal casing 31 housing the control substrate 32. The casing 31 is attached to a base 11 made of metal material.
A cutter includes a rake face on which a recessed groove extending along a direction of a rotation axis of a rotary holder to be open at a flank face of the cutter are formed. The recessed groove includes a plurality of recessed grooves formed at predetermined intervals along a direction intersecting with the rotation axis. A cutting blade portion extending along a direction intersecting with the rotation axis is provided on a continuous portion of the rake face and the flank face. The cutting blade portion includes a first region made up of an intersecting portion of the rake face and the flank face and a second region made up of a peripheral edge portion of an opening portion of the recessed groove at the flank face.
B23C 3/12 - Trimming or finishing edges, e.g. deburring welded corners
B23B 5/16 - Turning-machines or devices specially adapted for particular workAccessories specially adapted therefor for bevelling, chamfering, or deburring the ends of bars or tubes
A machining cutter (1) for tip dressing is provided with a rotating holder (5) and a machining plate (2). The machining plate (2) is provided with a cutting edge part (2d) that is formed at a portion connecting a rake surface part (2a) and a flank surface part (2b), the cutting edge part (2d) extending in a direction that intersects a rotational axis (C1). A plurality of recessed groove parts (2e) are formed at prescribed intervals in the flank surface part (2b) in a direction that intersects the rotational axis (C1), the recessed groove parts (2e) extending so as to separate from the cutting edge part (2d) along a circumferential direction about the rotational axis (C1) from a position approaching the cutting edge part (2d).
A suction unit (8) for applying suction for chips (M1) is mounted to an underside of a main body housing (2). The suction unit (8) includes a cylindrical member (81) for generating an airflow (X1) inside along a cylinder center line (C2) of the cylindrical member (81), and a chip guiding member (82) having a chip suction port (82a) on a location closer to a lower communication hole (20b) of the main body housing (2) and connected to an upstream side opening of the cylindrical member (81). The cylindrical member (81) is connected to the chip guiding member (82) with the cylinder center line (C2) thereof extending downward away from a rotation axis (C1) of a rotary holder (4).
A cutter (1) includes a rake face (2a) on which a recessed groove (2d) extending along a direction of a rotation axis (C1) of a rotary holder (5) to be open at a flank face (2b) of the cutter (1) is formed. The recessed groove (2d) includes a plurality of recessed grooves (2d) formed at predetermined intervals along a direction intersecting with the rotation axis (C1). A cutting blade portion (2e) extending along a direction intersecting with the rotation axis (C1) is provided on a continuous portion of the rake face (2a) and the flank face (2b). The cutting blade portion (2e) includes a first region (20 made up of an intersecting portion of the rake face (2a) and the flank face (2b) and a second region (2g) made up of a peripheral edge portion of an opening portion of the recessed groove (2d) at the flank face (2b).
A suction unit (8) for suctioning chips (M1) is attached to the lower side of a main body case (2). The suction unit (8) comprises a tubular body (81) in the interior of which an airflow (X1) along a tube center axis (C2) is generated, and a chip-guiding body (82) that has a chip suction opening (82a) at a position close to a lower-side communication hole (20b) of the main body case (2), and that is connected to an upstream-side opening of the tubular body (81). The tubular body (81) is connected to the chip-guiding body (82) such that the tube center axis (C2) extends downward while moving away from a rotational axis center (C1) of a rotary holder (4).
Recessed groove parts (2d) that open on a flank surface part (2b) of a machining cutter (1) extending along the rotational axis (C1) of a rotating holder (5) are formed in a rake surface part (2a) of the machining cutter (1). A plurality of the recessed groove parts (2d) is formed at prescribed intervals in a direction that intersects the rotational axis (C1). A cutting edge part (2e) extending in a direction that intersects the rotational axis (C1) is provided at a portion connecting the rake surface part (2a) and the flank surface part (2b). The cutting edge part (2e) is configured from first regions (2f) comprising portions where the rake surface part (2a) and the flank surface part (2b) intersect, and second regions (2g) comprising peripheral edge portions of the portions of the recessed groove parts (2d) that open on the flank surface part (2b).
B08B 5/02 - Cleaning by the force of jets, e.g. blowing-out cavities
B08B 5/04 - Cleaning by suction, with or without auxiliary action
F04F 5/20 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating
B05B 1/00 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
B05B 1/06 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops in annular, tubular or hollow conical form
B05B 7/00 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
B05B 7/06 - Spray pistolsApparatus for discharge with one outlet orifice surrounding another approximately in the same plane
A sawdust scatter prevention cover (1) is attached to a head section (6b) of a rotary cutter (6). The cover (1) has: an annular section (1a) configured to be detachably fitted onto the outer peripheral edge of the head section (6b) from the outside thereof; and a plate-like section (1b) that is provided to extend from an inner peripheral portion of the annular section (1a) toward the interior of the annular section (1a). In a state in which the annular section (1a) is fitted onto the head section (6b) from the outside thereof, the plate-like section (1b) blocks a region of a cutout groove section (6e) of the rotary cutter (6) corresponding to the head section (6b). When the annular section (1a) is fitted onto the head section (6b) from the outside thereof, the annular section (1a) and the plate-like section (1b) become coplanar with a surface of the head section (6b).
A sawdust scatter prevention cover (1) is attached to a head section (6b) of a rotary cutter (6). The cover (1) has: an annular section (1a) configured to be detachably fitted onto the outer peripheral edge of the head section (6b) from the outside thereof; and a plate-like section (1b) that is provided to extend from an inner peripheral portion of the annular section (1a) toward the interior of the annular section (1a). In a state in which the annular section (1a) is fitted onto the head section (6b) from the outside thereof, the plate-like section (1b) blocks a region of a cutout groove section (6e) of the rotary cutter (6) corresponding to the head section (6b). When the annular section (1a) is fitted onto the head section (6b) from the outside thereof, the annular section (1a) and the plate-like section (1b) become coplanar with a surface of the head section (6b).
In the present disclosure, a housing (4) has a housing passageway (R1) housing a plurality of electrodes (10) linearly therewithin. An electrode withdrawal opening (R2) communicating with the housing passageway (R1) is formed on one end of the housing (4). A pressing unit (5) presses toward one end of the housing passageway (R1) the plurality of electrodes (10) arranged side by side and housed in the housing passageway (R1). A lever member (6) is swung to switch between a state where withdrawal of the electrode (10) from the electrode withdrawal opening (R2) is restrained and a state where the electrode withdrawal opening (R2) is exposed. A regulating coil spring (7) urges and swings the lever member (6) to one side.
a) is in the shape of a groove that is shaped to be gradually closer to the other one of the removing members as progressing toward the other end of the arm member (8).
B23K 31/02 - Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups relating to soldering or welding
B25D 1/02 - Inserts or attachments forming the striking part of hammer heads
B25B 27/00 - Hand tools or bench devices, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
In the present invention, a pressing unit (5) presses a plurality of electrodes (10) accommodated in an accommodation passage (R1) in the interior of an accommodation case (2) toward an electrode retrieval port (20). When a lever member (3) swings to one side, the lever member (3) assumes a first position (X1) in which the tip side thereof blocks part of the electrode retrieval port (20), and when the lever member (3) swings to the other side, the lever member (3) assumes a second position (X2) in which the tip side opens the electrode retrieval port (20). A first coil spring (4) is disposed between the base side of the lever member (3) and a first side surface section (21) of the accommodation case (2) and biases the base side of the lever member (3) away from the accommodation case (2).
A pressing unit presses a plurality of electrodes housed in a housing path in a housing case toward an electrode outlet port. When a lever member swings to one side, a distal end of the lever member comes to be in a first position in which the lever member covers a part of the electrode outlet port. When the lever member swings to the other side, the lever member comes to be in a second position in which the distal end exposes the electrode outlet port. A first coil spring is disposed between a proximal end of the lever member and a first side surface portion of the housing case, and biases the proximal end of the lever member to a direction away from the housing case.
A chip-collecting device (1) collects chips (M1) generated when cutting electrode tips (11) with a tip dresser (10). A cover case (2), which is fixed to the tip dresser (10), has a rectangular plate-shaped first side wall (3) and second side wall (4) that face each other in the horizontal direction. An air suction tool (7) is connected to the first side wall (3). An air introduction hole (15) is formed in the lower part of the second side wall (4). The air introduction hole (15) is inclined so that proceeding towards the interior of the cover case (2), the hole gradually approaches the inner surface and inner bottom surface of the cover case (2).
B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling workSafety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
a) extending arcuately around the rotation axis (C1) as the center thereof are consecutively formed adjacent to each other toward the rotation axis (C1).
B23B 5/16 - Turning-machines or devices specially adapted for particular workAccessories specially adapted therefor for bevelling, chamfering, or deburring the ends of bars or tubes
A spot welding electrode housing (4) has a housing passageway (R1) housing a plurality of electrodes (10) linearly therewithin. An electrode withdrawal opening (R2) communicating with the housing passageway (R1) is formed on one end of the housing (4). A pressing unit (5) presses toward one end of the housing passageway (R1) the plurality of electrodes (10) arranged side by side and housed in the housing passageway (R1). A lever member (6) is swung to switch between a state where withdrawal of the electrode (10) from the electrode withdrawal opening (R2) is restrained and a state where the electrode withdrawal opening (R2) is exposed. A regulating coil spring (7) urges and swings the lever member (6) to one side.
An accommodating case (4) has an accommodating passage (R1) that linearly accommodates a plurality of electrodes (10) in the interior thereof. An electrode outlet (R2) that communicates with the accommodating passage (R1) is formed in one end of the accommodating case (4). A pressing unit (5) presses the plurality of electrodes (10), which are in a state of being set in a row accommodated in the accommodating passage (R1), toward one end of the accommodating passage (R1). A lever member (6), by swinging, switches unloading of the electrodes (10) from the electrode outlet (R2) between a regulated state and an open state. A regulating coil spring (7) biases the lever member (6) so as to swing in one direction.
A compressed air introduction part (5) capable of introducing compressed air to an air passage (2a) of a cylinder (2) is provided. The compressed air introduction part (5) is formed in the shape of a ring extending around a cylinder-center axis (C1) of the cylinder (2) and has a slit-shaped compressed air exit part (5a) that extends straight along the radial direction of the cylinder (2) and opens into the air passage (2a). An annular protruding surface part (30) is formed on an air blowout port (2c)-side of the compressed air exit part (5a) on the inner peripheral surface forming the air passage (2a), and a protruding surface (30a) of the annular protruding surface part (30) is shaped so as to advance along the radial direction of the cylinder (2) from the peripheral edge on the air blowout port (2c)-side of the compressed air exit part (5a), and to extend while gradually bending toward the air blowout port (2c).
F04F 5/20 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating
B08B 5/02 - Cleaning by the force of jets, e.g. blowing-out cavities
B08B 5/04 - Cleaning by suction, with or without auxiliary action
A compressed air introduction part (5) capable of introducing compressed air to an air passage (2a) of a cylinder (2) is provided. The compressed air introduction part (5) is formed in the shape of a ring extending around a cylinder-center axis (C1) of the cylinder (2) and has a slit-shaped compressed air exit part (5a) that extends straight along the radial direction of the cylinder (2) and opens into the air passage (2a). An annular protruding surface part (30) is formed on an air blowout port (2c)-side of the compressed air exit part (5a) on the inner peripheral surface forming the air passage (2a), and a protruding surface (30a) of the annular protruding surface part (30) is shaped so as to advance along the radial direction of the cylinder (2) from the peripheral edge on the air blowout port (2c)-side of the compressed air exit part (5a), and to extend while gradually bending toward the air blowout port (2c).
F04F 5/20 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating
B08B 5/02 - Cleaning by the force of jets, e.g. blowing-out cavities
B08B 5/04 - Cleaning by suction, with or without auxiliary action
A pressing unit (5) presses a plurality of electrodes (10) housed in a housing path (R1) in a housing case (2) toward an electrode outlet port (20). When a lever member (3) swings to one side, a distal end of the lever member (3) comes to be in a first position (X1) in which the lever member (3) covers a part of the electrode outlet port (20). When the lever member (3) swings to the other side, the lever member (3) comes to be in a second position (X2) in which the distal end exposes the electrode outlet port (20). A first coil spring (4) is disposed between a proximal end of the lever member (3) and a first side surface portion (21) of the housing case (2), and biases the proximal end of the lever member (3) to a direction away from the housing case (2).
According to the present invention, two claw parts (2d) are pressed downward by a large diameter part (11a) of a welding gun (11), and a rotating arm (3) is rotated due to the pressing action. Thus, a pair of first slits (31b) formed on one end side of the rotating arm (3) respectively guide protrusions (2f) of one of removal members (2) so that the two removal members (2) move away from each other in the central axis direction (C1). A second guide part (13) of a main body frame (4) guides the rotating arm (3) such that when the rotating arm (3) rotates, a central portion between the two protrusions (2f) of the respective two removal members (2) moves along the central axis (11c).
Each removal member (5) has a claw part (5A, 5B) that has a thickness corresponding to the gap (S1) between a large diameter part (11a) and an electrode tip (12), and can be inserted into the gap (S1) in the direction orthogonal to the direction of thickness. An approach/spearation means (10) causes the two removal members (5) to approach and move away from each other. The claw parts (5A, 5B) of the removal members (5) are provided at positions offset from each other so as to be lined up in a direction orthogonal to the direction of thickness of the claw parts (5A, 5B) when the approach/separation means (10) makes the two removing members (5) approach each other.
In the present invention a pair of removal members (5) are provided so as to be capable of moving toward or away from each another, and have: claw parts (5A, 5B) capable of being inserted into a space (S1) between a large-diameter section (11a) and an electrode tip (12); and a protrusion (54) protruding in a direction intersecting the insertion direction of the claw parts (5A, 5B). A first support part (81a), which pivotally supports the protrusion (54) of one removal member (5), and a second support part (81b), which pivotally supports the protrusion (54) of the other removal member (5), are provided at one end of arm members (8). The first support parts (81a) each form a groove shape that is gradually positioned closer to the other removal member (5) as the support part moves toward the other end of the arm member (8).
The present invention reduces device failures and reduces maintenance frequency, as well as stabilizes a cutting operation. Specifically, a fitting surface section (52) into which a distal end section (2a) of an electrode tip (2) can fit is provided to a holder (5). A cutting member (6) having a cutting edge section (6b) is attached to the holder (5), and the cutting edge section (6b) cuts the distal end section (2a) of the electrode tip (2) by a rotating operating of the holder (5). A plurality of groove sections (52a) extending in an arcuateshape about a rotation axis center (C1) are continuously formed in the fitting surface section (52) so as to be adjacent to each other toward the rotation axis center (C1).
B23B 5/16 - Turning-machines or devices specially adapted for particular workAccessories specially adapted therefor for bevelling, chamfering, or deburring the ends of bars or tubes
The present invention reduces device failures and reduces maintenance frequency, as well as stabilizes a cutting operation. Specifically, a fitting surface section (52) into which a distal end section (2a) of an electrode tip (2) can fit is provided to a holder (5). A cutting member (6) having a cutting edge section (6b) is attached to the holder (5), and the cutting edge section (6b) cuts the distal end section (2a) of the electrode tip (2) by a rotating operating of the holder (5). A plurality of groove sections (52a) extending in an arcuateshape about a rotation axis center (C1) are continuously formed in the fitting surface section (52) so as to be adjacent to each other toward the rotation axis center (C1).
B23B 5/16 - Turning-machines or devices specially adapted for particular workAccessories specially adapted therefor for bevelling, chamfering, or deburring the ends of bars or tubes
Provided is an air nozzle with which it is possible not only to increase the flow rate of compressed air blown out from the nozzle, but also to reduce the noise produced when the compressed air is blown out. Specifically, a cylinder member 2 has an air circulation path 20c, in which compressed air is circulated along the cylinder center line C1. An air blow-out member 3, which has eight air blow-out holes 3a at regular intervals around the cylinder center line C1, is attached to the cylinder member 2. A tapered air guide part 3c is provided to a portion of the air blow-out member 3 that faces the air circulation path 20c. The diameter of the air guide part 3c gradually decreases when approaching one side of the cylinder center line C1 from the portion that is continuous with the surface that forms the air circulation path 20c.
A rotary cutter includes a pair of recessed receivers which receive the respective tip ends of a pair of electrode tips, and a through portion which runs through in a rotation axis direction and provides an opening that communicates with each of the recessed receivers. A cover case covers the lower recessed receiver of the rotary cutter and has a notch which is associated with the lower recessed receiver. Over the upper recessed receiver of the rotary cutter, a cover plate is fixed to cover the upper recessed receiver. An electrode tip insertion hole is cut through a center portion of the cover plate.
B23B 5/16 - Turning-machines or devices specially adapted for particular workAccessories specially adapted therefor for bevelling, chamfering, or deburring the ends of bars or tubes
B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling workSafety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
B23C 3/12 - Trimming or finishing edges, e.g. deburring welded corners
In the present invention, a rotary cutter (5) has a pair of concave receiving parts (53) for receiving the distal ends (10a) of a pair of electrode tips (10), and through-passage parts (50) passing through in the direction of the rotation axis and opening into each of the concave receiving parts (53). A cover case (3) covers the concave receiving parts (53) at the bottom side of the rotary cutter (5) and has cutout portions (3b) corresponding to the concave receiving parts (53) at the bottom side. A cover plate (7) is fastened near the top-side concave receiving parts (53) of the rotary cutter (5) so as to cover the top side concave receiving parts (53), and electrode tip insertion holes (7a) are formed in the center of the cover plate (7).
Provided is a machining cutter for tip dressing, with which machining operations can be carried out efficiently while tightly curling the shavings in a reliable manner to avoid entanglement in the apparatus. A machining plate (4) having a cutting blade part (4b) is attached to a holder (3). A breaker (5) by which shavings discharged during machining of an electrode tip (2) are made to curve in a prescribed direction is attached to the machining plate (4). In a section of the breaker (5) corresponding to the cutting blade part (4b), there is formed a shaving guide surface (5e) extending in the direction of extension of the cutting blade part (4b) and separated from the cutting blade part (4b) by a prescribed gap D.
B23B 27/22 - Cutting tools with chip-breaking equipment
B23B 5/16 - Turning-machines or devices specially adapted for particular workAccessories specially adapted therefor for bevelling, chamfering, or deburring the ends of bars or tubes
B23B 25/00 - Accessories or auxiliary equipment for turning-machines
Provided is an air intake and discharge tool that can increase an intake level and a discharge level without wasteful energy consumption. Specifically, an intermediate section of a cylinder 2 having a first air passage 2a through which air can circulate is provided with a second air passage 5 that discharges compressed air toward an air outlet 2c of the first air passage 2a. A compressed-air inlet 5a of the second air passage 5 is formed at one location on the outer peripheral surface of the cylinder 2, and a compressed-air outlet 5b is formed in a ring shape in the inner peripheral surface of the first air passage 2a so as to extend in the circumferential direction thereof. The compressed-air inlet 5a introduces the compressed air to the second air passage 5 in the circumferential direction of the cylinder 2.
F04F 5/20 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating
B08B 5/00 - Cleaning by methods involving the use of air flow or gas flow
F04F 5/44 - Component parts, details, or accessories not provided for in, or of interest apart from, groups
50.
CUTTER FOR ELECTRODE CUTTING AND ELECTRODE CUTTING DEVICE
Provided are a cutter for electrode cutting and an electrode cutting device provided with that cutter for electrode cutting that can cut tip end surfaces of electrodes with excellent precision, wherein maintenance of the device is simple, and the cost of which can be reduced. Specifically, a cutting plate 5 has cutting blades 51c on peripheral edge parts thereof and is attachably and detachably attached to a cutter 2 in an orientation such that the direction of plate thickness matches the direction of rotation of the cutter 2. The cutting blades 51c are provided in a pair in positions with point symmetry when viewed in a direction along the surface of the cutting plate 5 and in a direction crossing the rotational axial center C1.
The surface of a breaker (5) facing a cutting plate (4) has a recessed part (52) formed thereon that gradually decreases in diameter from the outer peripheral edge part of the facing surface to the side away from the cutting plate (4), a through hole (51) is formed in the center of the breaker (5), and the cutting plate (4) and the breaker (5) are fastened together to an attachment surface (33) in a state in which the breaker is in close contact with the flat surface of the cutting plate (4) by screwing a screw (6) that passes through the through hole (51) into a tightening hole (33a) in a holder (3). Thus, it is possible to achieve a low-cost cutter (1) for tip dressing wherein swarf (7) does not accumulate around the breaker (5).
B23B 5/16 - Turning-machines or devices specially adapted for particular workAccessories specially adapted therefor for bevelling, chamfering, or deburring the ends of bars or tubes
B23B 25/00 - Accessories or auxiliary equipment for turning-machines
B23B 27/00 - Tools for turning or boring machinesTools of a similar kind in generalAccessories therefor
B23B 5/16 - Turning-machines or devices specially adapted for particular workAccessories specially adapted therefor for bevelling, chamfering, or deburring the ends of bars or tubes
B23B 27/16 - Cutting tools of which the bits or tips are of special material with exchangeable cutting bits, e.g. able to be clamped
Provided is a low-cost chip collection device having high chip collection performance. Specifically, a cover case (2) having a receiving section (2a) for receiving a tip dresser (9) is provided with a discharge hole (23a) for discharging air within the receiving section (2a); an air suction means (7) has an ejection opening (53) for ejecting compressed air and formed in the inner peripheral surface of the discharge hole (23a), the air suction means (7) ejecting compressed air from the ejection opening (53) toward the side of the discharge hole (23a) which faces the side opposite the receiving section (2a), to make pressure on the receiving section (2a) side of the discharge hole (23a) negative, thereby sucking in air within the receiving section (2a) and discharging the air from the discharge hole (23a); and a first annular ridge (51) is provided on the inner peripheral surface of the discharge hole (23a) at a position on the receiving section (2a) side of the ejection opening (53), the first annular ridge (51) protruding toward the side opposite the receiving section (2a) and covering the ejection opening (53).
Provided is a spot welding electrode housing apparatus having a reduced size such that an operation of mounting electrodes on a welding gun is less likely to affect a line takt time. Specifically, a rotation regulator positioned adjacent to a rotating plate in a direction of a rotation axis is configured to allow the rotating plate to abut against an electrode housed and held in a first recess or a second recess and thereby to regulate a rotation of the rotating plate toward one direction around the rotation axis when the rotating plate rotationally biased by a spiral spring toward the one direction around the rotation axis is allowed to rotate toward the other direction around the rotation axis against a biasing force of the spiral spring.
Provided is a spot welding electrode housing apparatus having a reduced size such that an operation of mounting electrodes on a welding gun is less likely to affect a line takt time. Specifically, a rotation regulator positioned adjacent to a rotating plate in a direction of a rotation axis is configured to allow the rotating plate to abut against an electrode housed and held in a first recess or a second recess and thereby to regulate a rotation of the rotating plate toward one direction around the rotation axis when the rotating plate rotationally biased by a spiral spring toward the one direction around the rotation axis is allowed to rotate toward the other direction around the rotation axis against a biasing force of the spiral spring.
Provided is a compact spot welding electrode storage device with which the operation of mounting an electrode in a welding gun is less likely to affect the line takt. Specifically, a rotation restriction member (7) is arranged nearby in the rotational axis direction of a rotary plate (2), which is biased to rotate to one side in the rotational axis direction by a mainspring (6), and when the rotary plate (2) is rotated to the other side in the rotational axis direction in resistance to the biasing force of the mainspring (6), the rotation restriction member makes contact with electrodes (10) held respectively in first and second recesses (23, 24), thereby restricting the rotation of the rotary plate (2) in the one direction around the rotational axis.
A low-cost, compact rotary work device with great versatility is provided Specifically, the rotary work device includes: a first output gear into which a holder is fitted; a second output gear into which a cutter is fitted; a second intermediate gear meshing with both the output gears; and a servomotor rotating the second intermediate gear. A control panel includes a memory storing a first rotational speed and a second rotational speed that is higher than the first rotational speed. When an electrode detachment operation is performed, both the output gears are rotated at the first rotational speed, and when an electrode cutting operation is performed, both the output gears are rotated at the second rotational speed.
Provided is a rotating work device having broad utility, and being compact and low cost. Specifically, the rotating work device is provided with the following: a first output gear (32) having a holding unit (37) in the interior thereof; a second output gear (42) having a machining cutter (44) in the interior thereof; and a second intermediate gear (8) that engages both output gears (32, 42) and a servomotor (5) that rotates the second intermediate gear (8). The rotating work device is configured such that a control board (11) has a memory unit (11a) that stores a first number of rotations and a second number of rotations greater than the first number of rotations, and the control board causes both output gears (32, 42) to rotate at the first number of rotations when performing an electrode removing operation and causes both output gears (32, 42) to rotate at the second number of rotations when performing an electrode machining operation.
A rotary work device includes: a first output gear into which a holder is fitted; a second output gear into which a cutter is fitted; a second intermediate gear meshing with both the output gears; and a servomotor rotating the second intermediate gear. A control panel includes a memory storing a first rotational speed and a second rotational speed that is higher than the first rotational speed. When an electrode detachment operation is performed, both the output gears are rotated at the first rotational speed, and when an electrode cutting operation is performed, both the output gears are rotated at the second rotational speed.
B23B 5/16 - Turning-machines or devices specially adapted for particular workAccessories specially adapted therefor for bevelling, chamfering, or deburring the ends of bars or tubes
Provided is a method for grinding electrode tips such that the method is capable of detecting irregular grinding when the maximum torque does not occur. Specifically, a tip dresser includes a holder holding a cutter, a servo motor unit allowing the holder to rotate, and a controller controlling the operation of the servo motor unit. The servo motor unit outputs a torque occurrence signal to the controller when a load torque reaches a predetermined value in regular grinding of a pair of electrode tips. The controller detects irregular grinding when not receiving the torque occurrence signal within a time that corresponds to an elapsed time in the regular grinding.
B24B 49/16 - Measuring or gauging equipment for controlling the feed movement of the grinding tool or workArrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the load
B24B 19/16 - Single purpose machines or devices for particular grinding operations not covered by any other main group for grinding sharp-pointed workpieces, e.g. needles, pens, fish hooks, tweezers or record player styli
A small camera module is simply assembled in a short time, while reducing displacement of a camera relative to the first and second frames. Specifically, the camera module is assembled by bending a pair of clips to engage engaging portions of the clips with engaging recesses of the first and second frames to fix the first frame, camera holders, and the second frame, with the first and second frames located at both sides of each camera holder with a housing recess facing outward, and using resilient force of each of the clips to press the camera with a projection of the clip.
B23K 31/12 - Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups relating to investigating the properties, e.g. the weldability, of materials
G01N 21/88 - Investigating the presence of flaws, defects or contamination
G01N 21/94 - Investigating contamination, e.g. dust
A spot welding electrode removal apparatus that is compact and durable is provided. Specifically, the apparatus includes a J-shaped operating lever, and in a position adjacent to the end of the operating lever and facing the contact member, a pressing member is provided. The operating lever is pivotably supported at a portion of the operating lever closer to the end of the operating lever than the pressing member is by a portion of the rotating case adjacent to the side of the contact member. The electrode is placed between the contact member and the pressing member, and a pivotal operation of the operating lever toward the electrode allows the pressing member and the contact member to sandwich the electrode, and a further pivotal operation of the operating lever toward the electrode allows the electrode to rotate together with the rotating case, thereby removing the electrode from a shank end.
Provided is a compact electrode removing device for spot welding that is difficult to break. Specifically, the device is provided with a J-shaped operation lever (8), and a pressing member (9) is provided near the distal end of the operation lever (8) in a location facing a contact member (7). The distal end side of the operation lever (8) which is more distal than the pressing member (9) is pivotally supported near the side of the contact member (7) of a rotary case (4). An electrode (10) is set between the contact member (7) and the pressing member (9), the electrode (10) is sandwiched by the pressing member (9) and the contact member (7) by way of the operation lever (8) rotating toward the electrode (10), and the electrode (10) is rotated with the rotary case (4) and removed from a shank tip by further rotating the operation lever (8) toward the electrode (10).
Provided is an electrode tip-grinding method with which grinding malfunctions can be determined at times other than when maximum torque is being generated. Specifically, a tip dresser (18) is provided with a holder (27) that holds a cutter (28), a servo motor device (36) for rotating the holder (27), and a controller (50) for controlling the operation of the servo motor device (36). The servo motor device (36) outputs a torque generation signal to the controller (50) when a medium level load torque is being generated during normal grinding of a pair of electrode tips (11). When a torque generation signal is not input within a period corresponding to the time elapsed during normal grinding, the controller (50) determines there to be a grinding malfunction.
What is provided is a tip dresser (10) capable of smoothly discharging shavings (70) by a breaker (60) provided on a cutter (40). The tip dresser includes a cutter (40) having cutting blades (47) for cutting the tip end portions (2) of a pair of electrode tips (1) and an attaching hole (50), a holder (20) to which the cutter is attached by screwing an attaching screw (55) inserted through the attaching hole, and a rotary drive portion that holds rotatably the holder. On the surface side (46) of the cutter, the breaker (60) for discharging shavings is disposed. The breaker is formed into a plate shape having an insertion hole (62) through which the attaching screw is inserted to tighten the breaker together with the cutter by an attaching screw. The breaker has, on the periphery of an attaching substrate portion (61) extending in a substantially plane shape from the peripheral edge of the insertion hole, inclined guide surfaces (65) that guide the shavings (70) produced from the portions of the cutting blades away from the surface side (46) are formed to bulge from flat portions (49) near the cutting blades while inclining from the flat portions.
B23Q 11/08 - Protective coverings for parts of machine toolsSplash guards
B23B 5/16 - Turning-machines or devices specially adapted for particular workAccessories specially adapted therefor for bevelling, chamfering, or deburring the ends of bars or tubes
B23B 25/00 - Accessories or auxiliary equipment for turning-machines
B23B 27/00 - Tools for turning or boring machinesTools of a similar kind in generalAccessories therefor
B24B 19/16 - Single purpose machines or devices for particular grinding operations not covered by any other main group for grinding sharp-pointed workpieces, e.g. needles, pens, fish hooks, tweezers or record player styli
The objective of the present invention is to enable a compact camera module to be assembled quickly and simply, and to eliminate positional deviation of the camera with respect to a first and a second frame. Specifically, this camera module (4) is assembled by arranging first and second frames (40a, 40b) at the sides of camera holders (70), with cameras (7) housed in housing recesses (70c) the openings of which face outward, and by bending a pair of clips (9) such that engaging parts (9a) of the clips (9) engage respective engagement recesses (41c) of the first and second frames (40a, 40b), thereby fixing in place the first frame (40a), the camera holders (70), and the second frame (40b), and, by means of the elastic force of the clips (9), pressing the cameras (7) via protrusions (9b) on the clips (9).
Provided is a tip dresser (10) capable of smoothly discharging chips by a breaker (60) provided in a cutter (40). A tip dresser is provided with a cutter (40) which has cutting blades for cutting the forward ends of a pair of electrode tips and a mounting hole, a holder (20) to which the cutter is mounted by a mounting screw (55) that is inserted through the mounting hole, and a rotary drive part which rotatably holds the holder. A breaker (60) for discharging chips is disposed on the front-side surface of the cutter. The breaker has a plate shape having an insertion hole (62), through which the mounting screw is inserted, so as to be fastened together with the cutter by the mounting screw. The breaker is provided with an inclined guide surface (65) that is disposed around a mounting substrate portion extending approximately flatly from the peripheral edge of the insertion hole so as to be elevated from a flat portion near the cutting blade while being inclined from the flat portion and guides the chips generated from the site of the cutting blade away from the front-side surface.
B23B 5/16 - Turning-machines or devices specially adapted for particular workAccessories specially adapted therefor for bevelling, chamfering, or deburring the ends of bars or tubes
B23B 25/00 - Accessories or auxiliary equipment for turning-machines
B23B 27/00 - Tools for turning or boring machinesTools of a similar kind in generalAccessories therefor
A tip shaping machine (M) presses electrode tips (5) against a forming roller (52) held by a rotationally driven holder (28), and the electrode tips (5) are pressed in such a manner that tips (6) thereof approach each other. By this, the tips (6) are shaped so as to be able to be reused. Also, in the tip shaping machine (M), burr removal sections (56) are disposed at positions which face burrs (8) when the electrode tips (5) are separated from the tip shaping machine (M), and the burrs (8) are burrs produced projecting from the outer peripheries of base sections (7) near the tips (6) of the electrode tips (5) when the electrode tips (5) are shaped. The burr removal sections (56) are located at positions close to the outer peripheral surfaces (7a) of the electrode tips (5) on the base section (7) side thereof when the electrode tips (5) are shaped, and the burr removal sections (56) are mounted in such a manner that, when the electrode tips (5) are separated from the tip shaping machine (M), the burr removal sections (56) make contact with the burrs (8) to cut or bend the burrs (8), reducing the height of projection of the burrs (8).
A nozzle cleaner having a configuration for centering a cutter thereof with respect to a welding nozzle. The nozzle cleaner peels off sputter from an inner peripheral surface of a welding nozzle by inserting the cutter toward the inner peripheral surface of the welding nozzle, and then rotating the cutter. The nozzle cleaner includes a guide mechanism to center the welding nozzle with respect to the cutter. The guide mechanism includes an insertion-side roller unit and a cutter-side roller unit, each having a pair of guide rollers having a smaller diameter portion and a pair of enlarged diameter portions. The enlarged diameter portions guide the welding nozzle to the vicinity of the central position of the corresponding smaller diameter portion. The facing guide rollers of the cutter-side roller unit and of the insertion-side roller unit are arranged in arrangement directions orthogonal to each other, respectively.
