CN106903418A - Split type multi-blade reconditioning knife unit - Google Patents

Split type multi-blade reconditioning knife unit Download PDF

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Publication number
CN106903418A
CN106903418A CN201710069631.2A CN201710069631A CN106903418A CN 106903418 A CN106903418 A CN 106903418A CN 201710069631 A CN201710069631 A CN 201710069631A CN 106903418 A CN106903418 A CN 106903418A
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CN
China
Prior art keywords
blade
tool rest
cutter head
upper cutter
lower tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710069631.2A
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Chinese (zh)
Other versions
CN106903418B (en
Inventor
刘卫东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Junzhe Industrial Automation Co Ltd
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Nanjing Junzhe Industrial Automation Co Ltd
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Priority to CN201710069631.2A priority Critical patent/CN106903418B/en
Publication of CN106903418A publication Critical patent/CN106903418A/en
Application granted granted Critical
Publication of CN106903418B publication Critical patent/CN106903418B/en
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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

Abstract

The invention provides a kind of split type multi-blade reconditioning knife unit, including upper cutter head, lower tool rest and blade, the blade includes the first blade and the second blade, first blade and the second blade cooperate and are fastened between upper cutter head and lower tool rest, are fastenedly connected by screw between upper cutter head and lower tool rest.The present invention is combined together using the twolip of two panels blade, it is ensured that cutter ultimately forms the assembled state of multi-blade;By the split pattern of tool rest, upper cutter head and lower tool rest carry out the positioning of axial direction and radial direction to blade, it is ensured that the positional accuracy of blade.Upper and lower tool rest is attached by the mounting hole site of upper and lower tool rest.By cutter of the invention, conveniently, simply, reliably can realize improving the reconditioning speed of electrode cap, reduce the abrasion of reconditioning blade and the consumption of tool rest.

Description

Split type multi-blade reconditioning knife unit
Technical field
Technical scheme the present invention relates to be applied to body of a motor car automation resistance spot welding welding, is using automatic grinding device Configuration reconditioning knife carries out the electrode cap reconditioning work of resistance spot welding welding gun and soldering turret and then realizes that automotive body welding is full-automatic Technological core part, belong to automobile production automated manufacturing field, in particular it relates to a kind of split type multi-blade reconditioning cutter Unit.
Background technology
, it is necessary to use substantial amounts of welding procedure in the manufacture of current body of a motor car.Resistance spot welding due to its rapidity, can By property is high, strong adaptability and cheap application cost and be widely used in Auto-body manufacturing welding procedure, a modern times Change body of a motor car and include more than 3000 resistance spot welding solder joint.Due to the extensive application of resistance spot welding process, during automobile production Substantial amounts of resistance spot welding welding gun is needed to use, is needed in resistance spot welding welding process after a number of solder joint is welded, Profile to electrode cap carries out reconditioning, cuts away electrode cap oxidized portion and ensures its outward appearance, and then ensures solder joint outward appearance, every Welding gun/soldering turret is required for after a number of solder joint is welded, it is necessary to electrode cap reconditioning.
At present, in automobile industry, the manufacture of white body uses pipeline system operation, beat higher for output demand It is required that high, the mobility of equipment is high and fault rate is low.As long as whole one station of streamline is shut down, whole line follows shutdown, Causing beat reduces, production efficiency reduction.So, automobile production manufacturer is very sensitive for shutting down situation.So, weldering at present Rifle/soldering turret carries out the reconditioning operation of electrode cap by the way of automatic grinding device.The process of reconditioning operation is exactly to utilize reconditioning Reconditioning cutter in device carries out cutting processing to electrode cap, redresses surface and the outward appearance of electrode cap.The reconditioning time depends on The speed and the amount of feeding of electrode cap are cut, and the smooth degree after cutting depends on cutting tool rotating speed.Cutting speed with turn Speed and blade quantity are proportional.It is desirable in the case of ensureing the flatness of electrode cap, determine that rotating speed is up to 3000 revs/min or so, so in the case of hilted broadsword sword, the cutting time will lengthen.In addition, meeting in electrode cap working angles Blade to reconditioning cutter produces abrasion, and each amount of feeding of electrode cap is essentially the value of confirmation, current hilted broadsword with cutting output The angle of throat tool rate of wear is fast.Also, blade is integrated pattern with tool rest, it is necessary to change whole cutter after blade abrasion, damage Consumption cost is big.
Repaired a die speed reduction nonproductive time to solve raising electrode cap, and reduce blade abrasion.Even if blade grinds After damage, can also be individually replaced blade and be changed without tool rest, reduce and change loss.Use split type multi-blade reconditioning cutter list Unit.
Split type multi-blade reconditioning knife unit needs to be combined using the blade of multi-blade, and installed in split type knife Seat, should ensure cutter overall stability and multi-faceted positional accuracy, and cutter is ensured again changes convenience.This For the requirement difficult point of the mechanism.
The content of the invention
Problem that is not enough for prior art and existing, the present invention is intended to provide one kind can dismount blade and tool rest and A kind of split type multi-blade reconditioning knife unit for being accurately positioned blade can be stablized, using split type multi-blade reconditioning cutter list Unit realizes reducing the solution of electrode cap reconditioning time and loss.
The present invention is achieved by the following technical solutions:
The present invention provides a kind of split type multi-blade reconditioning knife unit, including upper cutter head, lower tool rest and blade, the knife Piece includes the first blade and the second blade, and first blade and the second blade cooperate and be fastened on upper cutter head with lower tool rest Between, it is fastenedly connected by screw between upper cutter head and lower tool rest.
Preferably, the specification of first blade is consistent with the specification of the second blade, each blade include upper knife edge and Lower blade, is provided with flush cut sword, inclined-plane cutting edge and the excessive sword of structure on the upper knife edge, be provided with the lower blade Inclined-plane cutting edge and the excessive sword of structure, mating groove is provided with the middle part of lower blade.
Preferably, each blade includes left blade and right blade, and the junction of the left blade and right blade is provided with It is useless to cut discharge groove;
The useless height for cutting discharge groove is highly identical with the mating groove.
Preferably, the excessive sword of structure, inclined-plane cutting edge, flush cut have been sequentially distributed on the upper knife edge of the left blade Sword, has been sequentially distributed the excessive sword of structure, inclined-plane cutting edge, during the left blade and right blade are on the lower blade of the left blade Heart symmetrical structure;
It is provided with to give up in the both sides of left blade and the junction of right blade and cuts discharge groove, the useless discharge groove of cutting is located at a left side On blade and the Central Symmetry direction of principal axis of right blade.
Preferably, the both sides of the flush cut sword are equipped with class fit face, two inclined-planes cutting of the lower blade Mating groove is provided between sword, first blade is combined with the second blade by class fit face and mating groove.
Preferably, when first blade and the second blade are combined, the first blade is mutually perpendicular to the second blade, its In the mating groove of the first blade intersect with the mating groove of the second blade relative, make the mating groove notch of the first blade and the second blade Class fit face coordinated, the mating groove notch of the second blade is coordinated with the class fit face of the first blade.
Preferably, the excessive sword of structure, inclined-plane cutting edge, flush cut have been sequentially distributed on the upper knife edge of the left blade Sword, has been sequentially distributed the excessive sword of structure, inclined-plane cutting edge on the lower blade of the left blade, and left blade and right blade are in center Symmetrical structure;
The useless discharge groove of cutting is arranged in left blade and the central symmetry axis of right blade.
Preferably, the both sides of the flush cut sword are equipped with class fit face, and two inclined-planes on the lower blade are cut Cut and be provided with mating groove between sword, first blade is combined with the second blade by class fit face and mating groove.
Preferably, when first blade and the second blade are combined, the first blade is mutually perpendicular to the second blade, its In the mating groove of the first blade intersect with the mating groove of the second blade relative, make the mating groove notch of the first blade and the second blade Class fit face coordinated, the mating groove notch of the second blade is coordinated with the class fit face of the first blade.
Preferably, circumferentially direction is intervally distributed with some notches for the lower section of the upper cutter head, the notch and notch it Between be provided with fan-shaped platform;
The circumferentially-spaced of the lower tool rest is provided with some notches, and fan-shaped platform also is provided between the notch and notch, And the thickness of notch is less than the thickness of fan-shaped platform;
Wherein, the notch of upper cutter head is relative with the notch of lower tool rest, the fan-shaped platform phase of the fan-shaped platform of upper cutter head and lower tool rest It is right.
Preferably, the notch of the notch of the upper cutter head and lower tool rest with the first blade, the left and right two ends of the second blade Engaging.
Preferably, the fan-shaped platform of the upper cutter head is provided with screwed hole, and the fan-shaped platform of lower tool rest is provided with counter sink, described Screwed hole is oppositely arranged with counter sink;
Between the upper cutter head and lower tool rest by hexagon socket cap head screw fasten, the hexagon socket cap head screw according to It is secondary through counter sink and screwed hole.
Preferably, step surface is provided with above the upper cutter head, the screwed hole is arranged in top bar;
Mounting ear is additionally provided with the upper cutter head, the mounting ear is arranged on the lateral surface of the fan-shaped platform of upper cutter head.
Compared with prior art, the present invention has following beneficial effect:
1st, it is combined together using the twolip of two panels blade, it is ensured that cutter ultimately forms the assembled state of multi-blade.Pass through The split pattern of tool rest, upper cutter head and lower tool rest, the positioning of axial direction and radial direction is carried out to blade, it is ensured that the position of blade is accurate Property.
2nd, upper and lower tool rest is attached by the mounting hole site of upper and lower tool rest.Using the installation in upper cutter head outer circumference Ear, carries out the installation of coping device.Using the stepped ramp type face on upper cutter head, rotation detection is carried out.Detection switch and the face meeting of tool rest type There is the change of detecting distance, and then form square-wave like signal source.By the change of signal frequency, rotation detection is carried out.By this The cutter of invention, can conveniently, simple, the reliable reconditioning speed for realizing improving electrode cap, reduce the abrasion of reconditioning blade with And the consumption of tool rest.
Brief description of the drawings
The detailed description made to non-limiting example with reference to the following drawings by reading, further feature of the invention, Objects and advantages will become more apparent upon:
Fig. 1 is the dimensional structure diagram of split type multi-blade reconditioning knife unit of the invention;
Fig. 2 is the decomposing schematic representation of split type multi-blade reconditioning knife unit of the invention;
Fig. 3 is the structural representation of blade in split type multi-blade reconditioning knife unit of the invention;
Partial enlarged drawing when Fig. 4 is blade unit in split type multi-blade reconditioning knife unit of the invention;
Wherein, 1- upper cutter heads;Tool rest under 2-;The blades of 3- first;The blades of 4- second;5- is useless to cut discharge groove;6- flush cuts Sword;7- inclined-planes cutting edge;8- mating grooves;9- class fits face;10- screwed holes;11- counter sinks;12- mounting ears;13- structure mistakes Degree sword.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area For personnel, without departing from the inventive concept of the premise, some changes and improvements can also be made.These belong to the present invention Protection domain.
The invention provides a kind of split type multi-blade reconditioning knife unit, as Figure 1-4, including upper cutter head 1, lower knife Seat 2 and blade, the blade include the first blade 3 and the second blade 4, and the blade 4 of first blade 3 and second cooperates simultaneously It is fastened between upper cutter head 1 and lower tool rest 2, is fastenedly connected by screw between upper cutter head 1 and lower tool rest 2.
The specification of first blade 3 is consistent with the specification of the second blade 4, and each blade includes upper knife edge and lower knife Sword, is provided with flush cut sword 6, inclined-plane cutting edge 7 and the excessive sword 13 of structure on the upper knife edge, be provided with the lower blade Inclined-plane cutting edge 7 and the excessive sword 13 of structure, are provided with mating groove 8 in the middle part of lower blade.
Each blade includes left blade and right blade, and the junction of the left blade and right blade is provided with useless cuts discharge Groove 5;The useless height for cutting discharge groove 5 is highly identical with the mating groove 8.
The excessive sword 13 of structure, inclined-plane cutting edge 7, flush cut sword 6, institute have been sequentially distributed on the upper knife edge of the left blade State and the excessive sword 13 of structure, inclined-plane cutting edge 7 have been sequentially distributed on the lower blade of left blade, and left blade and right blade are in center pair Claim structure;Useless cutting being provided with the both sides of left blade and right blade junction and discharging groove 5, the useless discharge groove 5 of cutting is located at a left side On blade and the Central Symmetry direction of principal axis of right blade.
After the first blade and the second blades fit, two useless discharge grooves of cutting of the first blade are respectively toward to the second blade Left and right blade, two useless cutting of the second blade discharge the left and right blade that groove is respectively toward to the first blade.
The both sides of the flush cut sword 6 are equipped with class fit face 9, two inclined-plane cutting edges 7 on the lower blade Between be provided with mating groove 8, first blade 3 is combined with the second blade 4 by class fit face 9 and mating groove 8.
When the blade 4 of first blade 3 and second is combined, the first blade 3 is mutually perpendicular to the second blade 4, wherein The mating groove of the first blade 3 intersects relative with the mating groove of the second blade 4, makes the mating groove notch and the second knife of the first blade 3 The class fit face of piece 4 is coordinated, and the mating groove notch of the second blade 4 is coordinated with the class fit face of the first blade 3. As shown in Figure 2 and Figure 4, the first blade 3 and the second blade 4, are reversely mutually inserted, and the first blade 3 and the second blade 4 are in 90 degree Angle, direction is mutually opposing, makes two mating grooves of blade relative, cooperation notch is coordinated with precision face, by the knot Structure, it is ensured that after the first blade 3 and the second blade 4 coordinate, position dimension is accurate, it is ensured that during reconditioning, each blade Equal amount is cut, the electrode cap outward appearance after cutting is also accurate, it is ensured that identical with effect after integral type cutting.
Circumferentially direction is intervally distributed with some notches for the lower section of the upper cutter head 1, is provided between the notch and notch Fan-shaped platform;The circumferentially-spaced of the lower tool rest 2 is provided with some notches, and fan-shaped platform also is provided between the notch and notch, And the thickness of notch is less than the thickness of fan-shaped platform;Wherein, the notch of upper cutter head 1 is relative with the notch of lower tool rest 2, upper cutter head 1 Fan-shaped platform is relative with the fan-shaped platform of lower tool rest 2.
The notch of the notch of the upper cutter head 1 and lower tool rest 2 with the first blade 3, the left and right two ends card of the second blade 4 Close.
The fan-shaped platform of the upper cutter head 1 is provided with screwed hole 10, and the fan-shaped platform of lower tool rest 2 is provided with counter sink 11, described Screwed hole 10 is oppositely arranged with counter sink 11;Fastened by hexagon socket cap head screw between the upper cutter head 1 and lower tool rest 2, The hexagon socket cap head screw sequentially passes through counter sink 11 and screwed hole 10.
The top of the upper cutter head 1 is provided with step surface, and the screwed hole 10 is arranged in top bar;On the upper cutter head 1 Mounting ear 12 is additionally provided with, the mounting ear 12 is arranged on the lateral surface of the fan-shaped platform of upper cutter head 1.
In change case, class fit face can reach μ class precisions with the dimensional tolerance of mating groove, and surface roughness can reach Ra more than 0.8.
During using the present invention, it is commonly mounted in the notch of lower tool rest 2 after the first blade 3 and the cooperation of the second blade 4, footpath To fixing the cooperation of the first blade 3 and the second blade 4, and ensure that blade center meets the requirements with tool rest center concentricity.Circle In circumferential direction, the first blade 3 and the second blade 4 can be also limited with lower tool rest 2 and upper cutter head 1 using the notch of lower tool rest 2 Synchronous axial system, will not produce relative rotation.Upper cutter head 1 is up coordinated using notch with the first blade 3, the second blade 4, Gai On lower tool rest 2.Further the lower tool rest 2 of solidification is for the first blade 3, the positioning fastening effect of the second blade 4.Using in 2 six Angle fillister head screw, fastening locking is carried out by the screwed hole 10 on the counter sink 11 and upper cutter head 1 on lower tool rest 2, is made Tool rest 1 forms complete one with lower tool rest 2.So, complete cutter is to form multi-blade (4 blade) reconditioning cutter.Together When, to be installed using the lug mechanism (mounting ear) on lower tool rest 2 and coping device and coordinated, the step surface on upper cutter head 1 is rotated Detection.The cutter can be completed simultaneously to two reconditioning operations of electrode cap.
When edge wear, it is necessary to when replacing, cutter be pulled down on coping device, outward winding installed in upper cutter head 1 and lower knife Hexagon socket cap head screw on seat 2, you can split upper and lower tool rest.After upper cutter head 1 is taken apart with lower tool rest 2, you can take out The first blade 3, the second blade 4 having worn out.The first new blade 3, the second blade 4 is replaced by again to be arranged on lower tool rest 2, Upper cutter head 1 is installed and is fastened.Replacing is put into coping device, that is, complete the replacing of blade, you can is carried out new reconditioning and is made Industry.
Specific embodiment of the invention is described above.It is to be appreciated that the invention is not limited in above-mentioned Particular implementation, those skilled in the art can within the scope of the claims make a variety of changes or change, this not shadow Sound substance of the invention.In the case where not conflicting, feature in embodiments herein and embodiment can any phase Mutually combination.

Claims (10)

1. a kind of split type multi-blade reconditioning knife unit, it is characterised in that including upper cutter head, lower tool rest and blade, the knife Piece includes the first blade and the second blade, and first blade and the second blade cooperate and be fastened on upper cutter head with lower tool rest Between, it is fastenedly connected by screw between upper cutter head and lower tool rest.
2. split type multi-blade reconditioning knife unit according to claim 1, it is characterised in that the rule of first blade Lattice are consistent with the specification of the second blade, and each blade includes upper knife edge and lower blade, is provided with plane on the upper knife edge and cuts Sword, inclined-plane cutting edge and the excessive sword of structure are cut, inclined-plane cutting edge and the excessive sword of structure is provided with the lower blade, in lower blade Middle part be provided with mating groove.
3. split type multi-blade reconditioning knife unit according to claim 2, it is characterised in that each blade includes a left side The junction of blade and right blade, the left blade and right blade is provided with to give up cuts discharge groove;
The useless height for cutting discharge groove is highly identical with the mating groove.
4. split type multi-blade reconditioning knife unit according to claim 3, it is characterised in that the upper slitter of the left blade The excessive sword of structure, inclined-plane cutting edge, flush cut sword are sequentially distributed on sword, have been sequentially distributed on the lower blade of the left blade The excessive sword of structure, inclined-plane cutting edge, the left blade and right blade are centrosymmetric structure;
It is provided with to give up in the both sides of left blade and the junction of right blade and cuts discharge groove, the useless discharge groove of cutting is located at left blade On the Central Symmetry direction of principal axis of right blade.
5. the split type multi-blade reconditioning knife unit according to claim 2 or 4, it is characterised in that the flush cut The both sides of sword are equipped with class fit face, and mating groove, first knife are provided between two inclined-plane cutting edges of the lower blade Piece is combined with the second blade by class fit face and mating groove.
6. split type multi-blade reconditioning knife unit according to claim 5, it is characterised in that first blade and When two blades are combined, the first blade is mutually perpendicular to the second blade, wherein the mating groove of the first blade and the second blade Mating groove intersects relatively, the mating groove notch of the first blade is coordinated with the class fit face of the second blade, the second blade Mating groove notch coordinated with the class fit face of the first blade.
7. split type multi-blade reconditioning knife unit according to claim 1, it is characterised in that the lower section of the upper cutter head Circumferentially direction is intervally distributed with some notches, and fan-shaped platform is provided between the notch and notch;
The circumferentially-spaced of the lower tool rest is provided with some notches, and fan-shaped platform, and groove also are provided between the notch and notch Thickness of the thickness of mouth less than fan-shaped platform;
Wherein, the notch of upper cutter head is relative with the notch of lower tool rest, and the fan-shaped platform of upper cutter head is relative with the fan-shaped platform of lower tool rest.
8. split type multi-blade reconditioning knife unit according to claim 7, it is characterised in that the notch of the upper cutter head Left and right two ends with the notch of lower tool rest with the first blade, the second blade engage.
9. split type multi-blade reconditioning knife unit according to claim 7, it is characterised in that the sector of the upper cutter head Platform is provided with screwed hole, and the fan-shaped platform of lower tool rest is provided with counter sink, and the screwed hole is oppositely arranged with counter sink;
Fastened by hexagon socket cap head screw between the upper cutter head and lower tool rest, the hexagon socket cap head screw is worn successively Cross counter sink and screwed hole.
10. split type multi-blade reconditioning knife unit according to claim 9, it is characterised in that the upper cutter head it is upper Side is provided with step surface, and the screwed hole is arranged in top bar;
Mounting ear is additionally provided with the upper cutter head, the mounting ear is arranged on the lateral surface of the fan-shaped platform of upper cutter head.
CN201710069631.2A 2017-02-08 2017-02-08 Split type multi-blade reconditioning knife unit Active CN106903418B (en)

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CN201710069631.2A CN106903418B (en) 2017-02-08 2017-02-08 Split type multi-blade reconditioning knife unit

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Application Number Priority Date Filing Date Title
CN201710069631.2A CN106903418B (en) 2017-02-08 2017-02-08 Split type multi-blade reconditioning knife unit

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CN106903418A true CN106903418A (en) 2017-06-30
CN106903418B CN106903418B (en) 2019-09-27

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Cited By (7)

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Publication number Priority date Publication date Assignee Title
CN107262902A (en) * 2017-08-11 2017-10-20 天津市扬帆科技开发有限公司 A kind of automatic grinding device for lifetime of resistance spot welding electrode
CN107262903A (en) * 2017-08-11 2017-10-20 天津市扬帆科技开发有限公司 Combination cutlery for electrode automatic grinding device
CN110539031A (en) * 2018-05-28 2019-12-06 中国科学院上海光学精密机械研究所 Cutting tool for dressing a central recess welding electrode and method therefor
CN111482689A (en) * 2019-01-29 2020-08-04 通用汽车环球科技运作有限责任公司 Cutter of welding gun cap sharpening machine
WO2020221362A1 (en) * 2019-04-30 2020-11-05 中国科学院上海光学精密机械研究所 Cutting tool and method for maintaining welding electrode having a central depression
CN111940885A (en) * 2020-08-24 2020-11-17 中国科学院上海光学精密机械研究所 Split type welding electrode coping cutter
CN111940885B (en) * 2020-08-24 2024-04-12 中国科学院上海光学精密机械研究所 Split type welding electrode coping cutter

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CN202726411U (en) * 2012-07-04 2013-02-13 株式会社极动 Electrode tip grinding machine
CN203125275U (en) * 2012-12-31 2013-08-14 浙江吉利汽车有限公司 Novel electric grinding device
CN205519841U (en) * 2016-01-15 2016-08-31 北京中戎华泰科技开发有限公司 Milling device of mould ware is repaiied to electrode cap

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US4966504A (en) * 1988-11-30 1990-10-30 Sem-Torq, Inc. Electrode tip dresser and holder assembly
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CN202726411U (en) * 2012-07-04 2013-02-13 株式会社极动 Electrode tip grinding machine
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Publication number Priority date Publication date Assignee Title
CN107262902A (en) * 2017-08-11 2017-10-20 天津市扬帆科技开发有限公司 A kind of automatic grinding device for lifetime of resistance spot welding electrode
CN107262903A (en) * 2017-08-11 2017-10-20 天津市扬帆科技开发有限公司 Combination cutlery for electrode automatic grinding device
CN107262902B (en) * 2017-08-11 2022-11-15 天津市扬帆科技开发有限公司 Automatic grinding device for resistance spot welding electrode
CN107262903B (en) * 2017-08-11 2022-11-15 天津市扬帆科技开发有限公司 Combined cutting tool for automatic electrode grinding device
CN110539031A (en) * 2018-05-28 2019-12-06 中国科学院上海光学精密机械研究所 Cutting tool for dressing a central recess welding electrode and method therefor
CN111482689A (en) * 2019-01-29 2020-08-04 通用汽车环球科技运作有限责任公司 Cutter of welding gun cap sharpening machine
US11224933B2 (en) 2019-01-29 2022-01-18 GM Global Technology Operations LLC Weld gun cap dresser cutter
WO2020221362A1 (en) * 2019-04-30 2020-11-05 中国科学院上海光学精密机械研究所 Cutting tool and method for maintaining welding electrode having a central depression
CN111940885A (en) * 2020-08-24 2020-11-17 中国科学院上海光学精密机械研究所 Split type welding electrode coping cutter
CN111940885B (en) * 2020-08-24 2024-04-12 中国科学院上海光学精密机械研究所 Split type welding electrode coping cutter

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