CN212552412U - Arc welding equipment for rotating brake shoe of welding gun - Google Patents
Arc welding equipment for rotating brake shoe of welding gun Download PDFInfo
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- CN212552412U CN212552412U CN202021078450.XU CN202021078450U CN212552412U CN 212552412 U CN212552412 U CN 212552412U CN 202021078450 U CN202021078450 U CN 202021078450U CN 212552412 U CN212552412 U CN 212552412U
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- brake shoe
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- welding gun
- arc
- vertical displacement
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- 238000003466 welding Methods 0.000 title claims abstract description 151
- 238000006073 displacement reaction Methods 0.000 claims abstract description 27
- 230000033001 locomotion Effects 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 5
- 125000003003 spiro group Chemical group 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of the brake shoe processing, especially, relate to a welder rotary type brake shoe arc welding equipment. The utility model discloses, including the welding frame, the welding frame in be equipped with the vertical displacement slide that can follow the reciprocal linear motion of vertical direction, vertical displacement slide top be equipped with the tight seat of clamp under the brake shoe, the welding frame in still be equipped with multi-functional mounting bracket, multi-functional mounting bracket bottom be equipped with the butt joint piece on the brake shoe, the brake shoe on the butt joint piece and the brake shoe under the tight seat of clamp the position corresponding. The utility model discloses a set up tight seat of clamp under the brake shoe, butt joint piece and brake shoe arc welding subassembly on the brake shoe, press from both sides tight back with the brake shoe for treat that the position of welded part and brake shoe welding gun is corresponding, carry out the welding of multiple spot arc to the brake shoe through rotating brake shoe welding gun, ensure to weld the brake shoe arcwall face, welded accuracy and degree of automation are higher, and welding speed is fast.
Description
Technical Field
The utility model belongs to the technical field of the brake shoe processing, a welder rotary type brake shoe arc welding equipment is related to.
Background
The existing welding equipment adopts a horizontal welding mode to weld, automatic multi-point welding cannot be carried out on the arc-shaped surface of the brake shoe, a welding gun is needed to be used for welding manually, the welding accuracy and the automation degree are low, and the welding speed is low.
In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a brake shoe longitudinal seam welding device is disclosed in a Chinese patent application number: 201821784583.1], comprising a base, a main frame, a workpiece tooling mechanism, a welding gun moving mechanism, a welding gun adjusting mechanism, a welding machine and an electrical control system, wherein the welding gun adjusting mechanism is fixed on the welding gun moving mechanism, the workpiece tooling mechanism is aligned below the welding gun adjusting mechanism, the welding gun moving mechanism comprises a horizontal sliding table, a lifting cylinder, a ball screw and a servo motor, the bottom of the lifting cylinder is fixed on a sliding plate, the servo motor drives the ball screw to operate, the ball screw is connected with the sliding plate above, and the sliding plate moves on the horizontal sliding table; the welding gun adjusting mechanism comprises a manual adjusting mechanism, a wire feeding shaft and a welding gun, a sliding carriage is movably mounted on the shell below the lifting cylinder, the manual adjusting mechanism is mounted on the sliding carriage and connected with the wire feeding shaft, and the end of the wire feeding shaft is connected with the welding gun through a welding gun clamp. The workpiece tool mechanism of the device is used for positioning workpieces, the movement and the adjustment of the welding gun are flexible, and the longitudinal seam welding of the brake shoe shaping process can be ensured. However, the scheme still has the defects that automatic multi-spot welding cannot be carried out on the arc-shaped surface of the brake shoe, the welding accuracy and the automation degree are low, and the welding speed is slow.
Disclosure of Invention
The utility model aims at the above-mentioned problem, a welder rotary type brake shoe arc welding equipment is provided.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a welder rotary type brake shoe arc welding equipment, includes the welding frame, the welding frame in be equipped with the vertical displacement slide that can follow the reciprocal linear motion of vertical direction, vertical displacement slide top be equipped with the brake shoe and press from both sides tight seat down, the welding frame in still be equipped with multi-functional mounting bracket, multi-functional mounting bracket bottom be equipped with the brake shoe on the butt piece, the brake shoe on the butt piece with the brake shoe press from both sides the position of tight seat down corresponding, multi-functional mounting bracket on be equipped with the welder supporting disk, the welder supporting disk on be equipped with and follow circumference pivoted brake shoe arc welding subassembly, brake shoe arc welding subassembly and brake shoe press from both sides the position of tight seat down corresponding.
In foretell welder rotary type brake shoe arc welding equipment, brake shoe arc welding subassembly including set up the circumferential direction installation pole on the welder supporting disk, circumferential direction installation pole on be equipped with brake shoe welding gun, circumferential direction installation pole and brake shoe welding gun between be equipped with the welder clamping piece.
In foretell welder rotary type brake shoe arc welding equipment, brake shoe welding gun be located and press from both sides tight seat top under the brake shoe, circumferential direction installation pole and brake shoe on be equipped with the band pulley carousel between the butt piece, circumferential direction installation pole and band pulley carousel link to each other, band pulley carousel and brake shoe on through pivot swing joint between the butt piece.
In foretell welder rotary type brake shoe arc welding equipment, welding frame bottom be equipped with the circumference rotation ware, the axis of rotation of circumference rotation ware on be connected with driving pulley, driving pulley and band pulley carousel between around being equipped with driving belt, driving pulley and band pulley carousel be located same horizontal plane.
In foretell welder rotary type brake shoe arc welding equipment, the welder clamping piece including set up last clamp plate and the lower clamp plate on the circumferential direction installation pole, the brake shoe welding rifle be located between clamp plate and the lower clamp plate, last clamp plate and lower clamp plate between pass through fastening bolt and connect.
In the arc-shaped welding equipment for the rotary brake shoe of the welding gun, the circumferential rotation mounting rod is further provided with a manual rotating shifting rod, and an included angle between the central line of the manual rotating shifting rod and the central line of the circumferential rotation mounting rod is an acute angle.
In foretell welder rotary type brake shoe arc welding equipment, the brake shoe on the butt piece bottom be the arc, the brake shoe under press from both sides tight seat top and also be the arc, the brake shoe on the butt piece bottom arc with the brake shoe under press from both sides the curved shape in tight seat top and match and be fit for.
In foretell welder rotary type brake shoe arc welding equipment, the vertical displacement slide on be equipped with a plurality of connection fixed plates along vertical displacement slide central line symmetry, connection fixed plate on be equipped with two screws, a screw and vertical displacement slide spiro union, press from both sides tight seat spiro union under another screw and the brake shoe.
In the arc-shaped welding equipment for the welding gun rotating type brake shoe, the brake shoe lower clamping seat is provided with a plurality of brake shoe anti-deviation abutting blocks which are symmetrical along the center line of the brake shoe lower clamping seat, and the brake shoe anti-deviation abutting blocks correspond to the arc-shaped end surface of the top of the brake shoe lower clamping seat in position.
In foretell welder rotary type brake shoe arc welding equipment, the welding frame in be equipped with the driver mounting panel, the driver mounting panel on be equipped with linear actuator, linear actuator's power shaft and vertical displacement slide link to each other.
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses a set up tight seat of clamp under the brake shoe, butt joint piece and brake shoe arc welding subassembly on the brake shoe, press from both sides tight back with the brake shoe for treat that the position of welded part and brake shoe welding gun is corresponding, carry out the welding of multiple spot arc to the brake shoe through rotating brake shoe welding gun, ensure to weld the brake shoe arcwall face, welded accuracy and degree of automation are higher, and welding speed is fast.
2. The utility model discloses a clamp plate and lower clamp plate on setting up can carry out the brake shoe welding rifle and press from both sides tight fixedly fast, and dismouting and angle of adjustment are comparatively convenient.
3. The utility model discloses a brake shoe that sets up around setting prevents off-normal butt piece, can carry out the butt with the brake shoe front and back end and fix, avoids at the tight in-process of clamp, and the brake shoe takes place the position and deflects, has improved brake shoe welded accuracy.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view in another direction of the present invention.
In the figure: the welding machine comprises a welding rack 1, a vertical displacement sliding seat 2, a lower brake shoe clamping seat 3, a multifunctional mounting rack 4, an upper brake shoe abutting block 5, a welding gun supporting plate 6, a brake shoe arc-shaped welding assembly 7, a circumferential rotation mounting rod 8, a brake shoe welding gun 9, a welding gun clamping piece 10, a belt wheel rotating disc 11, a circumferential rotator 12, a driving belt wheel 13, a transmission belt 14, an upper clamping plate 15, a lower clamping plate 16, a manual rotation shifting rod 17, a connection fixing plate 18, a brake shoe anti-deviation abutting block 19, a driver mounting plate 20 and a linear driver 21.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-2, a welder rotary type brake shoe arc welding equipment, including welding frame 1, welding frame 1 in be equipped with vertical displacement slide 2 that can follow vertical direction reciprocating linear motion, vertical displacement slide 2 top be equipped with the brake shoe and press from both sides tight seat 3 down, welding frame 1 in still be equipped with multi-functional mounting bracket 4, 4 bottoms of multi-functional mounting bracket be equipped with on the brake shoe butt piece 5, the brake shoe on the butt piece 5 with the brake shoe press from both sides the position of tight seat 3 corresponding down, multi-functional mounting bracket 4 on be equipped with welder supporting disk 6, welder supporting disk 6 on be equipped with and follow circumferential direction's brake shoe arc welding subassembly 7, brake shoe arc welding subassembly 7 and the brake shoe press from both sides the position of tight seat 3 corresponding down.
In this embodiment, when the brake shoe needs to be welded, the brake shoe is placed on the lower brake shoe clamping seat 3, the vertical displacement sliding seat 2 is moved upwards to synchronously drive the lower brake shoe clamping seat 3 and the to-be-welded brake shoe on the lower brake shoe clamping seat 3 to ascend, so that the brake shoe is in abutting contact with the upper brake shoe abutting block 5, the brake shoe is clamped, meanwhile, the to-be-welded part corresponds to the position of the welding gun supporting plate 6, the brake shoe is subjected to multipoint arc welding by rotating the brake shoe arc welding assembly 7, the arc surface of the brake shoe is ensured to be welded, the welding accuracy and the automation degree are high, and the welding speed is high.
Referring to fig. 1 and 2, the brake shoe arc welding assembly 7 includes a circumferential rotation mounting rod 8 disposed on the welding gun support plate 6, a brake shoe welding gun 9 is disposed on the circumferential rotation mounting rod 8, and a welding gun clamping member 10 is disposed between the circumferential rotation mounting rod 8 and the brake shoe welding gun 9.
In this embodiment, the brake shoe welding gun 9 can be connected along rotation of circumference and erection joint to the circumferential direction installation pole 8, when needs weld the brake shoe, through brake shoe welding gun 9 to the arcwall face of brake shoe weld can, welder clamping piece 10 is used for fixed brake shoe welding gun 9, makes things convenient for the staff to carry out dismouting and angle of adjustment.
Referring to fig. 1, the brake shoe welding gun 9 is located above the lower brake shoe clamping seat 3, a belt wheel rotating disc 11 is arranged between the circumferential rotation mounting rod 8 and the upper brake shoe abutment block 5, the circumferential rotation mounting rod 8 is connected with the belt wheel rotating disc 11, and the belt wheel rotating disc 11 is movably connected with the upper brake shoe abutment block 5 through a rotating shaft.
In this embodiment, when needing to rotate brake shoe welding gun 9, rotate band pulley carousel 11 earlier, drive circumferential direction installation pole 8 and brake shoe welding gun 9 through band pulley carousel 11 and rotate, carry out multiple spot welding to the brake shoe arcwall face.
Referring to fig. 1, a circumferential rotator 12 is arranged at the bottom of the welding frame 1, a driving belt wheel 13 is connected to a rotating shaft of the circumferential rotator 12, a transmission belt 14 is wound between the driving belt wheel 13 and the belt wheel rotating disc 11, and the driving belt wheel 13 and the belt wheel rotating disc 11 are located on the same horizontal plane.
In this embodiment, when needing to rotate brake shoe welding gun 9, start circumferential direction ware 12, the axis of rotation through circumferential direction ware 12 drives driving pulley 13 and rotates, drive band pulley carousel 11 through driving belt 14's transmission effect and rotate, drive circumferential direction installation pole 8 and brake shoe welding gun 9 through band pulley carousel 11 and rotate, carry out multiple spot welding to the brake shoe arcwall face, driving pulley 13 is located same horizontal plane with band pulley carousel 11, transmission efficiency is higher, technical personnel in the art should understand, circumferential direction ware 12 can be the motor or the rotatory hydro-cylinder.
Referring to fig. 2, the welding gun clamp 10 includes an upper clamping plate 15 and a lower clamping plate 16 disposed on the circumferential rotation mounting rod 8, the brake shoe welding gun 9 is located between the upper clamping plate 15 and the lower clamping plate 16, and the upper clamping plate 15 and the lower clamping plate 16 are connected by fastening bolts.
In this embodiment, through inserting brake shoe welding gun 9 between supreme clamp plate 15 and the lower clamp plate 16, rethread fastening bolt will go up clamp plate 15 and clamp plate 16 will be the fastening connection down for go up clamp plate 15 and clamp plate 16 and press from both sides brake shoe welding gun 9 with lower clamp plate and press from both sides tightly fixedly, dismouting and angle of adjustment are comparatively convenient.
Referring to fig. 1, the circumferential rotation mounting rod 8 is further provided with a manual rotation shifting lever 17, and an included angle between a center line of the manual rotation shifting lever 17 and a center line of the circumferential rotation mounting rod 8 is an acute angle.
Specifically speaking, in the installation and disassembly process, when the circumferential direction installation rod 8 needs to be rotated manually, the worker can rotate the manual rotating shifting rod 17, the included angle between the central line of the manual rotating shifting rod 17 and the central line of the circumferential direction installation rod 8 is an acute angle, and the interference between the manual rotating shifting rod 17 and the welding gun support plate 6 in the grain grass welding process can be avoided.
As shown in fig. 1, the bottom of the upper brake shoe abutting block 5 is arc-shaped, the top of the lower brake shoe clamping seat 3 is also arc-shaped, the bottom of the upper brake shoe abutting block 5 is arc-shaped to match with the arc-shaped top of the lower brake shoe clamping seat 3, and the effect of clamping and fixing the brake shoe is good.
Referring to fig. 1 and 2, the brake shoe lower clamping base 3 is provided with a plurality of brake shoe anti-deviation abutting blocks 19 which are symmetrical along the center line of the brake shoe lower clamping base 3, and the brake shoe anti-deviation abutting blocks 19 correspond to the arc-shaped end surface of the top of the brake shoe lower clamping base 3.
In the embodiment, after the brake shoe is placed on the lower brake shoe clamping seat 3, the front end and the rear end of the brake shoe are abutted and fixed through the brake shoe anti-deviation abutting blocks 19 arranged in the front and the rear, so that the brake shoe is prevented from being deflected in position in the clamping process, and the welding accuracy of the brake shoe is improved.
Referring to fig. 1, a driver mounting plate 20 is arranged in the welding rack 1, a linear driver 21 is arranged on the driver mounting plate 20, and a power shaft of the linear driver 21 is connected with the vertical displacement sliding base 2.
In this embodiment, the actuator mounting plate 20 is used to fixedly mount the linear actuator 21, and when the vertical displacement slide 2 needs to be moved, the linear actuator 21 is activated to drive the vertical displacement slide 2 to move through the power shaft of the linear actuator 21, and it should be understood by those skilled in the art that the linear actuator 21 may be an air cylinder, an oil cylinder, or a linear motor.
The utility model discloses a theory of operation is:
when the brake shoe needs to be welded, the brake shoe is placed on the lower brake shoe clamping seat 3, the front end and the rear end of the brake shoe are abutted and fixed through the brake shoe anti-deviation abutting blocks 19 arranged in the front and the rear of the brake shoe, the situation that the brake shoe deflects in the clamping process is avoided, the welding accuracy of the brake shoe is improved, the linear driver 21 is started at the moment, the power shaft of the linear driver 21 drives the vertical displacement sliding seat 2 to move, the vertical displacement sliding seat 2 moves upwards, the lower brake shoe clamping seat 3 and the to-be-welded brake shoe on the lower brake shoe clamping seat 3 are synchronously driven to ascend, so that the brake shoe is in abutting contact with the abutting blocks 5 on the brake shoe, and the brake shoe is clamped.
Start circumferential direction ware 12, the axis of rotation through circumferential direction ware 12 drives driving pulley 13 and rotates, drives band pulley carousel 11 through driving belt 14's transmission effect and rotates, drives circumferential direction installation pole 8 and brake shoe welding gun 9 through band pulley carousel 11 and rotates, carries out multiple spot welding to the brake shoe arcwall face, ensures to weld the brake shoe arcwall face, and welded accuracy and degree of automation are higher, and welding speed is fast.
Through inserting brake shoe welding gun 9 between supreme clamp plate 15 and lower clamp plate 16, rethread fastening bolt will go up clamp plate 15 and clamp plate 16 will be the fastening connection down for go up clamp plate 15 and clamp plate 16 and press from both sides brake shoe welding gun 9 with lower clamp plate and press from both sides tightly fixedly, dismouting and angle of adjustment are comparatively convenient.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the spirit of the invention.
Although terms such as welding carriage 1, vertical displacement slide 2, brake shoe lower clamping shoe 3, multifunction mounting 4, brake shoe upper abutment block 5, weld gun support plate 6, brake shoe arc weld assembly 7, circumferentially rotatable mounting bar 8, brake shoe weld gun 9, weld gun clamp 10, pulley turntable 11, circumferential rotator 12, drive pulley 13, drive belt 14, upper clamping plate 15, lower clamping plate 16, manual turn lever 17, tie down strap 18, brake shoe anti-deflection abutment block 19, actuator mounting plate 20, linear actuator 21, etc., are used more extensively herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.
Claims (10)
1. A welding gun rotary type brake shoe arc welding device comprises a welding rack (1), it is characterized in that a vertical displacement slide seat (2) which can do reciprocating linear motion along the vertical direction is arranged in the welding rack (1), the top of the vertical displacement sliding seat (2) is provided with a lower brake shoe clamping seat (3), a multifunctional mounting rack (4) is also arranged in the welding rack (1), a brake shoe upper abutting block (5) is arranged at the bottom of the multifunctional mounting rack (4), the position of the brake shoe upper abutting block (5) corresponds to the position of the brake shoe lower clamping seat (3), a welding gun supporting plate (6) is arranged on the multifunctional mounting rack (4), a brake shoe arc-shaped welding assembly (7) capable of rotating along the circumferential direction is arranged on the welding gun supporting plate (6), the arc-shaped brake shoe welding assembly (7) corresponds to the lower brake shoe clamping seat (3).
2. A welding gun rotary brake shoe arc welding apparatus according to claim 1, wherein said brake shoe arc weld assembly (7) includes a circumferentially rotatable mounting bar (8) disposed on a welding gun support plate (6), said circumferentially rotatable mounting bar (8) having a brake shoe welding gun (9) disposed thereon, said circumferentially rotatable mounting bar (8) and said brake shoe welding gun (9) having a clamping member (10) disposed therebetween.
3. The welding gun rotary brake shoe arc welding apparatus according to claim 2, wherein said brake shoe welding gun (9) is positioned above said brake shoe lower clamping shoe (3), said circumferentially rotatable mounting rod (8) and said brake shoe upper abutment block (5) are disposed with a pulley wheel (11) therebetween, said circumferentially rotatable mounting rod (8) is connected to said pulley wheel (11), and said pulley wheel (11) is movably connected to said brake shoe upper abutment block (5) through a shaft.
4. The arc welding equipment of claim 3, wherein the welding machine frame (1) is provided with a circumferential rotator (12) at the bottom, a driving pulley (13) is connected to the rotating shaft of the circumferential rotator (12), a transmission belt (14) is wound between the driving pulley (13) and the pulley turntable (11), and the driving pulley (13) and the pulley turntable (11) are located on the same horizontal plane.
5. The welding gun rotary brake shoe arc welding apparatus according to claim 2, wherein said welding gun clamp (10) includes upper (15) and lower (16) clamp plates disposed on circumferentially rotatable mounting rods (8), said brake shoe welding gun (9) being positioned between said upper (15) and lower (16) clamp plates, said upper (15) and lower (16) clamp plates being connected by fastening bolts.
6. The welding gun rotating brake shoe arc welding apparatus according to claim 5, wherein said circumferentially rotatable mounting rod (8) is further provided with a manual shift lever (17), and an included angle between a center line of said manual shift lever (17) and a center line of said circumferentially rotatable mounting rod (8) is an acute angle.
7. The welding gun rotary brake shoe arc welding apparatus according to claim 1, wherein said upper brake shoe abutment (5) is arcuate in shape at its bottom and said lower brake shoe clamping seat (3) is arcuate at its top, said upper brake shoe abutment (5) being arcuate in shape at its bottom to match the arcuate shape of the top of the lower brake shoe clamping seat (3).
8. The arc welding apparatus for rotary brake shoes with welding guns according to claim 1, wherein the vertical displacement slide (2) is provided with a plurality of connecting and fixing plates (18) which are symmetrical along the center line of the vertical displacement slide (2), and the connecting and fixing plates (18) are provided with two screws, one screw is in threaded connection with the vertical displacement slide (2), and the other screw is in threaded connection with the lower clamping seat (3) of the brake shoe.
9. The arc welding apparatus for welding guns according to claim 7, wherein said lower brake shoe clamping holder (3) is provided with a plurality of brake shoe anti-bias abutment blocks (19) symmetrically arranged along the center line of the lower brake shoe clamping holder (3), said brake shoe anti-bias abutment blocks (19) corresponding to the arc-shaped end surfaces of the top of the lower brake shoe clamping holder (3).
10. The welding gun rotating brake shoe arc welding apparatus according to claim 1, wherein said welding carriage (1) is provided with a driver mounting plate (20), said driver mounting plate (20) is provided with a linear driver (21), and a power shaft of said linear driver (21) is connected to said vertical displacement slide (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021078450.XU CN212552412U (en) | 2020-06-11 | 2020-06-11 | Arc welding equipment for rotating brake shoe of welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021078450.XU CN212552412U (en) | 2020-06-11 | 2020-06-11 | Arc welding equipment for rotating brake shoe of welding gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212552412U true CN212552412U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021078450.XU Expired - Fee Related CN212552412U (en) | 2020-06-11 | 2020-06-11 | Arc welding equipment for rotating brake shoe of welding gun |
Country Status (1)
| Country | Link |
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| CN (1) | CN212552412U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117102720A (en) * | 2023-09-23 | 2023-11-24 | 河北金良重工机械有限公司 | Welding shaping device for brake shoe production |
-
2020
- 2020-06-11 CN CN202021078450.XU patent/CN212552412U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117102720A (en) * | 2023-09-23 | 2023-11-24 | 河北金良重工机械有限公司 | Welding shaping device for brake shoe production |
| CN117102720B (en) * | 2023-09-23 | 2024-03-22 | 河北金良重工机械有限公司 | Welding shaping device for brake shoe production |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |