CN116652350B - Electrode cap disassembling, polishing and storing integrated device - Google Patents

Electrode cap disassembling, polishing and storing integrated device Download PDF

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Publication number
CN116652350B
CN116652350B CN202310675675.5A CN202310675675A CN116652350B CN 116652350 B CN116652350 B CN 116652350B CN 202310675675 A CN202310675675 A CN 202310675675A CN 116652350 B CN116652350 B CN 116652350B
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CN
China
Prior art keywords
rotary
electrode cap
polishing
clamping
electrode
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CN202310675675.5A
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Chinese (zh)
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CN116652350A (en
Inventor
刘春江
王延中
何俊杰
董承业
季红柳
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Shanghai Faith Co ltd
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Shanghai Faith Co ltd
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/30Features relating to electrodes
    • B23K11/3063Electrode maintenance, e.g. cleaning, grinding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P6/00Restoring or reconditioning objects

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

The invention provides a disassembly, polishing and storage integrated device of an electrode cap, which comprises an electrode rod extending along the vertical direction, wherein the bottom end of the electrode rod is connected with the electrode cap and further comprises a disassembly and polishing station, and a clamping and rotating mechanism is arranged on the disassembly and polishing station; the rotary table comprises a rotary table body, a first rotary actuating mechanism and a lifting actuating mechanism, wherein the first rotary actuating mechanism and the lifting actuating mechanism are connected with the rotary table body, a plurality of accommodating cavities which are uniformly distributed around the axial lead of the rotary table body are formed in the top end of the rotary table body, and at least one accommodating cavity is hollow and provided with a polishing assembly at the bottom end. The invention has the integrated functions of disassembling, repairing and storing the electrode cap, improves the space utilization rate of the equipment and is beneficial to reducing the volume of the equipment.

Description

Electrode cap disassembling, polishing and storing integrated device
Technical Field
The invention relates to the technical field of processing equipment of electrode caps, in particular to an integrated device for disassembling, repairing and storing an electrode cap.
Background
In the prior art, the connection between the metal plate and the metal strip is usually achieved by spot welding, and the electrode cap is generally required to be used for spot welding, but after the electrode cap is used for a long time, welding slag is adhered to the outer surface of the electrode cap or an oxide layer is formed, so that the resistance of the electrode cap is increased, the welding quality is reduced, and therefore, the electrode cap needs to be replaced periodically or repaired to ensure the welding quality. However, the conventional electrode cap dismounting device and the electrode cap grinding device are independently arranged, and occupy the space of the equipment, so that the space utilization rate of the equipment is low, and the size of the equipment is not reduced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the integrated device for disassembling, repairing and storing the electrode cap, which has the integrated functions of disassembling, repairing and storing the electrode cap, improves the space utilization rate of equipment and is beneficial to reducing the volume of the equipment.
The invention adopts the following technical scheme.
The integrated device comprises an electrode rod extending along the vertical direction, wherein the bottom end of the electrode rod is connected with the electrode cap, and the integrated device further comprises a disassembly and polishing station, and a clamping and rotating mechanism is arranged on the disassembly and polishing station; the rotary table comprises a rotary table body, a first rotary actuating mechanism and a lifting actuating mechanism, wherein the first rotary actuating mechanism and the lifting actuating mechanism are connected with the rotary table body, a plurality of accommodating cavities which are uniformly distributed around the axis of the rotary table body are formed in the top end of the rotary table body, and the bottom end of at least one accommodating cavity is hollow and provided with a polishing assembly;
the implementation steps of the device are as follows: the electrode rod drives the electrode cap to reach the disassembly and polishing station, and the clamping and rotating mechanism clamps the electrode cap and drives the electrode cap to rotate; then, in the process of rotating the electrode cap, the electrode rod moves vertically upwards and is gradually separated from the electrode cap, and meanwhile, the lifting actuating piece drives the coping component to gradually approach the electrode cap; then, in a preset time period after the electrode rod and the electrode cap are separated, the lifting actuating piece drives the polishing component to abut against the electrode cap so as to polish the electrode cap; after finishing polishing, the lifting actuating piece drives the polishing assembly and the electrode cap to be separated, the first rotary actuating piece drives the rotary disc to rotate, so that an empty containing cavity on the rotary disc reaches a disassembling and polishing station, and then, the clamping rotary mechanism loosens the electrode cap, so that the electrode cap falls into the empty containing cavity.
Further, the clamping and rotating mechanism comprises a rotating seat extending along the vertical direction, the rotating seat is connected with a second rotary actuating mechanism, a clamping cavity penetrates through the axis of the rotating seat, a plurality of clamping pieces uniformly distributed around the axis of the rotating seat are hinged to the end part of the rotating seat, the clamping pieces are eccentrically arranged, the rotating seat and the clamping pieces are linked, and in the process that the second rotary actuating mechanism drives the rotating seat to rotate around the first rotary direction, the clamping pieces swing towards the direction close to the axis of the clamping cavity; and in the process that the second rotary actuating mechanism drives the rotary seat to rotate around the second rotary direction, the clamping piece swings in the direction away from the axial lead of the clamping cavity.
Further, the second rotary actuating mechanism comprises a driven wheel rotatably sleeved on the outer side of the rotary seat, a driving wheel connected with the driven wheel through a driving belt, and a second rotary actuating piece connected with the driving wheel, wherein a driven part is formed on the clamping piece, a plurality of driving parts are uniformly distributed on the driven wheel, the driven part and the driving parts correspond one by one, and a limiting part capable of preventing the clamping piece from swinging is formed on the rotary seat.
Further, the first rotary actuating mechanism includes a divider connected to the rotary disk, and a first rotary actuating member connected to the divider.
Further, the lifting actuating mechanism comprises a base, a guide rod extending along the vertical direction is arranged on the base, a movable seat is connected to the guide rod in a sliding manner, the movable seat is connected with the divider, the movable seat is connected with a lifting actuating piece, and the lifting actuating piece can drive the movable seat to move along the guide rod.
Further, the coping subassembly includes the blade holder that cup joints with holding the chamber to and locate the coping sword on the blade holder, run through on the blade holder and have the chip removal hole, be equipped with the bottom intercommunication that holds the chamber of coping subassembly and have the album bits jar.
The beneficial effects of the invention are as follows:
the invention is provided with a clamping rotating mechanism, a rotating disc, a first rotating actuating mechanism and a lifting actuating mechanism, wherein the first rotating actuating mechanism and the lifting actuating mechanism are connected with the rotating disc, a plurality of accommodating cavities which are uniformly distributed around the axial lead of the rotating disc are arranged at the top end of the rotating disc, and at least one accommodating cavity is hollow-out and provided with a polishing component at the bottom end. The clamping and rotating mechanism can clamp the electrode cap in the dismounting and polishing station and drive the electrode cap to rotate; the first rotary actuating piece can drive the rotary disk to rotate, so that each accommodating cavity on the rotary disk sequentially reaches the disassembling and polishing station; the lifting actuating piece can drive the rotating disk to move along the vertical direction, so that the grinding component on the rotating disk is close to or far away from the electrode cap; the polishing assembly can polish the electrode caps in the disassembly and polishing stations; the containing cavity which is not provided with the coping component on the rotating disk can be used for storing the discharge polar cap. In general, the invention has the integrated functions of disassembling, repairing and storing the electrode cap, improves the space utilization rate of the equipment and is beneficial to reducing the volume of the equipment.
In addition, in the preset time period after the electrode rod and the electrode cap are separated, the lifting actuating piece drives the polishing assembly to be abutted against the electrode cap, cooling water reserved in the electrode rod can flow through the contact part of the electrode cap and the polishing assembly under the action of gravity, the temperature of the contact part of the electrode cap and the polishing assembly can be reduced, scraps adhered to the polishing assembly can be taken away, and the service life of the polishing assembly and the polishing quality can be prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.
FIG. 1 is a schematic diagram of the overall structure of the present embodiment;
fig. 2 is a schematic structural view of a rotary seat and a driven wheel of the present embodiment;
fig. 3 is a schematic structural view of the coping assembly of the present embodiment.
Reference numerals illustrate:
the electrode rod 1 is provided with a pair of electrodes,
the electrode cap 2 is provided with a recess,
the rotary mechanism 3 is held in the grip position,
the rotary seat 31, the clamping cavity 31a, the driven part 311, the limiting part 312,
a second rotary actuator 32, a driven pulley 321, a driving part 3211, a transmission belt 322, a driving pulley 323, a second rotary actuator 324,
the clamping member 33 is provided with a clamping groove,
a rotating disk 4, a housing cavity 4a,
the first rotary actuating mechanism 5 is provided with a first rotary actuator,
the divider 51, the first rotary actuator 52,
the lifting actuating mechanism 6 is provided with a lifting mechanism,
base 61, guide rod 62, moving seat 63, lift actuator 64,
the grinding assembly 7 is provided with a grinding device,
a tool holder 71, a chip removal hole 71a, a coping cutter 72,
and a chip collecting tank 8.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the present embodiment, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions.
It will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
The integrated device for disassembling, repairing and storing the electrode caps comprises an electrode rod 1 extending along the vertical direction, wherein the bottom end of the electrode rod 1 is connected with an electrode cap 2, the integrated device further comprises a disassembling and repairing station, and a clamping and rotating mechanism 3 is arranged on the disassembling and repairing station; still include rotary disk 4 to and connect rotary disk 4's first rotary actuating mechanism 5 and lift actuating mechanism 6, a plurality of holding chamber 4a that wind rotary disk 4's axial lead equipartition are seted up on rotary disk 4's top, and the bottom that has at least one holding chamber 4a is the fretwork form and is equipped with coping subassembly 7, and the bottom that other holding chambers 4a that do not set up coping subassembly 7 is the closure form.
The implementation steps of the device are as follows: the electrode rod 1 drives the electrode cap 2 to reach a disassembly and polishing station, and the clamping and rotating mechanism 3 clamps the electrode cap 2 and drives the electrode cap 2 to rotate; then, during the rotation of the electrode cap 2, the electrode rod 1 moves vertically upwards and gradually separates from the electrode cap 2, and at the same time, the lifting actuator 64 drives the coping assembly 7 gradually to approach the electrode cap 2; immediately after that, in a preset time period after the electrode rod 1 and the electrode cap 2 are separated, the lifting actuator 64 drives the polishing assembly 7 to abut against the electrode cap 2 so as to polish the electrode cap 2; after finishing the polishing, the lifting actuating piece 64 drives the polishing assembly 7 and the electrode cap 2 to be separated, the first rotary actuating piece 52 drives the rotary disk 4 to rotate, the empty containing cavity 4a on the rotary disk 4 reaches the disassembling and polishing station, and then the clamping rotary mechanism 3 releases the electrode cap 2, so that the electrode cap 2 falls into the empty containing cavity 4a.
It is understood that the implementation steps of the present embodiment may be divided into an electrode cap disassembly step, an electrode cap grinding step, and an electrode cap storage step.
Wherein, the electrode cap disassembly step includes: the electrode rod 1 firstly drives the electrode cap 2 to reach the disassembling and polishing station, then the clamping and rotating mechanism 3 clamps the electrode cap 2 and drives the electrode cap 2 to rotate, and then the electrode rod 1 is far away from the disassembling and polishing station along the vertical direction, so that the electrode cap 2 can be disassembled from the electrode rod 1.
Wherein, the electrode cap coping step includes: after the electrode cap 2 is detached from the electrode rod 1, the clamping and rotating mechanism 3 continuously drives the electrode cap 2 to rotate, meanwhile, the first rotary actuating mechanism 5 drives the rotary disc 4 to rotate, so that the polishing component 7 on the rotary disc 4 is aligned with the electrode cap 2, then, the lifting actuating mechanism 6 drives the rotary disc 4 to move towards the direction close to the clamping and rotating mechanism 3, and finally, the polishing component 7 is propped against the rotating electrode cap 2, so that polishing of the electrode cap 2 is realized. In addition, since the cooling water remains in the electrode rod 1, the cooling water remaining in the electrode rod 1 continuously flows to the electrode cap 2 by gravity and flows through the contact portion of the electrode cap 2 and the coping assembly during a period of time after the electrode rod 1 and the electrode cap 2 are separated, thereby lowering the temperature of the contact portion of the electrode cap 2 and the coping assembly 7 and taking away the chips adhering to the coping assembly 7. It should be noted that the above-mentioned preset period of time is shorter than the period of time during which the cooling water remaining in the electrode rod 1 continuously flows to the electrode cap 2, and can be deduced through many experiments.
Wherein the electrode cap storage step includes: after the electrode cap 2 is polished, the first rotary actuating mechanism 5 drives the rotary disk 4 to rotate, so that the empty accommodating cavity 4a on the rotary disk 4 is aligned with the electrode cap 2, and then the clamping rotary mechanism 3 releases the electrode cap 2, so that the electrode cap 2 falls into the empty accommodating cavity 4a under the action of self gravity.
The clamping and rotating mechanism 3 comprises a rotating seat 31 extending along the vertical direction, the rotating seat 31 is connected with a second rotating and actuating mechanism 32, a clamping cavity 31a penetrates through the axis of the rotating seat 31, a plurality of clamping pieces 33 uniformly distributed around the axis of the rotating seat 31 are hinged to the end part of the rotating seat 31, the clamping pieces 33 are eccentrically arranged, the rotating seat 31 and the clamping pieces 33 are linked, and in the process that the second rotating and actuating mechanism 32 drives the rotating seat 31 to rotate around the first rotating direction, the clamping pieces 33 swing towards the direction close to the axis of the clamping cavity 31 a; during the rotation of the rotary base 31 around the second rotation direction by the second rotation actuating mechanism 32, the clamping member 33 swings in a direction away from the axis of the clamping cavity 31 a.
As an example, the second rotary actuating mechanism 32 includes a driven wheel 321 rotatably sleeved on the outer side of the rotary seat 31, a driving wheel 323 connected with the driven wheel 321 through a driving belt 322, and a second rotary actuating member 324 connected with the driving wheel 323, the clamping member 33 is formed with a driven part 311, the driven wheel 321 is uniformly provided with a plurality of driving parts 3211, the driven part 311 and the driving parts 3211 correspond one by one, and the rotary seat 31 is formed with a limiting part 312 capable of preventing the clamping member 33 from swinging.
It can be understood that, in the process that the first rotary actuating member 52 drives the driven wheel 321 to rotate around the first rotation direction through the driving wheel 323 and the driving belt 322, the driving portion 3211 on the driven wheel 321 drives the clamping member 33 to swing towards the direction close to the axis line of the clamping cavity 31a through the driven portion 311, when the clamping member 33 abuts against the electrode cap 2 in the clamping cavity 31a, the clamping member 33 cannot continue to swing, but the driving portion 3211 on the driven wheel 321 still abuts against the driven portion 311 on the rotating seat 31, so that the rotating seat 31 follows the driven wheel 321 to rotate under the cooperation of the driving portion 3211 and the driven portion 311, and the clamping rotating mechanism 3 is realized to clamp the electrode cap 2 and drive the electrode cap 2 to rotate.
In the process that the second rotary actuator 324 drives the driven wheel 321 to rotate around the second rotation direction through the driving wheel 323 and the driving belt 322, the driving portion 3211 on the driven wheel 321 drives the clamping member 33 to swing away from the axis of the clamping cavity 31a through the driven portion 311, so that the clamping member 33 releases the electrode cap 2 in the clamping cavity 31 a.
The first rotary actuating mechanism 5 includes a divider 51 connected to the rotary disk 4, and a first rotary actuating member 52 connected to the divider 51.
The lifting actuating mechanism 6 comprises a base 61, a guide rod 62 extending along the vertical direction is arranged on the base 61, a movable seat 63 is connected to the guide rod 62 in a sliding manner, the movable seat 63 is connected with the divider 51, the movable seat 63 is connected with a lifting actuating piece 64, and the lifting actuating piece 64 can drive the movable seat 63 to move along the guide rod 62.
The coping assembly 7 comprises a tool holder 71 sleeved with the accommodating cavity 4a and a coping cutter 72 arranged on the tool holder 71, a chip removing hole 71a penetrates through the tool holder 71, and a chip collecting tank 8 is communicated with the bottom end of the accommodating cavity 4a provided with the coping assembly 7. It will be appreciated that the coolant flowing down from the electrode rod 1 and the chips adhering to the grinding blade 72 are discharged through the chip discharging hole 71a of the blade holder 71 and finally flow into the chip collecting tank 8. The chip collecting tank 8 may be provided with a filter therein and may be in communication with an external drain pipe, so that the chip collecting tank 8 may collect chips without accumulating cooling water.
It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims (5)

1. The integrated device for disassembling, repairing and storing the electrode cap comprises an electrode rod extending along the vertical direction, wherein the bottom end of the electrode rod is connected with the electrode cap; the rotary table comprises a rotary table body, a first rotary actuating mechanism and a lifting actuating mechanism, wherein the first rotary actuating mechanism and the lifting actuating mechanism are connected with the rotary table body, a plurality of accommodating cavities which are uniformly distributed around the axis of the rotary table body are formed in the top end of the rotary table body, and the bottom end of at least one accommodating cavity is hollow and provided with a polishing assembly;
the clamping and rotating mechanism comprises a rotating seat extending along the vertical direction, the rotating seat is connected with a second rotary actuating mechanism, a clamping cavity penetrates through the axis of the rotating seat, a plurality of clamping pieces uniformly distributed around the axis of the rotating seat are hinged to the end part of the rotating seat, the clamping pieces are eccentrically arranged, the rotating seat and the clamping pieces are linked, and the clamping pieces swing towards the direction close to the axis of the clamping cavity in the process that the second rotary actuating mechanism drives the rotating seat to rotate around the first rotary direction; in the process that the second rotary actuating mechanism drives the rotary seat to rotate around the second rotary direction, the clamping piece swings in the direction away from the axial lead of the clamping cavity;
the implementation steps of the device are as follows: the electrode rod drives the electrode cap to reach the disassembly and polishing station, and the clamping and rotating mechanism clamps the electrode cap and drives the electrode cap to rotate; then, in the process of rotating the electrode cap, the electrode rod moves vertically upwards and is gradually separated from the electrode cap, and meanwhile, the lifting actuating piece drives the coping component to gradually approach the electrode cap; then, in a preset time period after the electrode rod and the electrode cap are separated, the lifting actuating piece drives the polishing component to abut against the electrode cap so as to polish the electrode cap; after finishing polishing, the lifting actuating piece drives the polishing assembly and the electrode cap to be separated, the first rotary actuating piece drives the rotary disc to rotate, so that an empty containing cavity on the rotary disc reaches a disassembling and polishing station, and then, the clamping rotary mechanism loosens the electrode cap, so that the electrode cap falls into the empty containing cavity.
2. The integrated device for disassembling, repairing and storing an electrode cap according to claim 1, wherein the second rotary actuating mechanism comprises a driven wheel rotatably sleeved on the outer side of the rotary seat, a driving wheel connected with the driven wheel through a driving belt, and a second rotary actuating member connected with the driving wheel, driven parts are formed on the clamping member, a plurality of driving parts are uniformly distributed on the driven wheel, the driven parts correspond to the driving parts one by one, and a limiting part capable of preventing the clamping member from swinging is formed on the rotary seat.
3. The integrated electrode cap removal, polishing and storage device of claim 1, wherein the first rotary actuator comprises a divider coupled to the rotary disk and a first rotary actuator coupled to the divider.
4. The integrated electrode cap removing, polishing and storing device according to claim 3, wherein the lifting actuating mechanism comprises a base, a guide rod extending along the vertical direction is arranged on the base, a movable seat is connected to the guide rod in a sliding manner, the movable seat is connected with the divider, the movable seat is connected with a lifting actuating member, and the lifting actuating member can drive the movable seat to move along the guide rod.
5. The integrated electrode cap disassembling, polishing and storing device according to claim 1, wherein the polishing assembly comprises a tool holder sleeved with the accommodating cavity and a polishing tool arranged on the tool holder, chip discharging holes penetrate through the tool holder, and a chip collecting tank is communicated with the bottom end of the accommodating cavity provided with the polishing assembly.
CN202310675675.5A 2023-06-08 2023-06-08 Electrode cap disassembling, polishing and storing integrated device Active CN116652350B (en)

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CN116652350B true CN116652350B (en) 2023-12-01

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH055274U (en) * 1991-07-05 1993-01-26 トヨタ車体株式会社 Automatic polishing equipment for electrode caps for spot welding.
CN103213050A (en) * 2013-04-28 2013-07-24 长城汽车股份有限公司 Point welding machine electrode cap grinding machine
CN104259642A (en) * 2014-09-24 2015-01-07 广州市极动焊接机械有限公司 Coping and replacing device of electrode cap
CN104985425A (en) * 2015-06-05 2015-10-21 深圳市鸿栢科技实业有限公司 Mold repair replacement device for welding machine electrode caps
CN108188705A (en) * 2017-12-18 2018-06-22 武汉捷众汽车零部件有限公司 A kind of Novel electric polar cap apparatus for automatic change
CN108340065A (en) * 2017-12-28 2018-07-31 南京君哲工业自动化有限公司 New type auto electrode cap more exchange device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2969380C (en) * 2014-12-04 2023-03-14 Sinterleghe S.R.L. A mechanism for releasing electrode caps from a spot welding gun

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH055274U (en) * 1991-07-05 1993-01-26 トヨタ車体株式会社 Automatic polishing equipment for electrode caps for spot welding.
CN103213050A (en) * 2013-04-28 2013-07-24 长城汽车股份有限公司 Point welding machine electrode cap grinding machine
CN104259642A (en) * 2014-09-24 2015-01-07 广州市极动焊接机械有限公司 Coping and replacing device of electrode cap
CN104985425A (en) * 2015-06-05 2015-10-21 深圳市鸿栢科技实业有限公司 Mold repair replacement device for welding machine electrode caps
CN108188705A (en) * 2017-12-18 2018-06-22 武汉捷众汽车零部件有限公司 A kind of Novel electric polar cap apparatus for automatic change
CN108340065A (en) * 2017-12-28 2018-07-31 南京君哲工业自动化有限公司 New type auto electrode cap more exchange device

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