CN107030438A - A kind of group mounted welder and welding method for being applied to the medium-height trestle welding of suspension car - Google Patents
A kind of group mounted welder and welding method for being applied to the medium-height trestle welding of suspension car Download PDFInfo
- Publication number
- CN107030438A CN107030438A CN201710457234.2A CN201710457234A CN107030438A CN 107030438 A CN107030438 A CN 107030438A CN 201710457234 A CN201710457234 A CN 201710457234A CN 107030438 A CN107030438 A CN 107030438A
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- Prior art keywords
- medium
- height trestle
- locating shaft
- push away
- welding
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The present invention relates to a kind of group mounted welder for being applied to suspension car medium-height trestle robot welding, middle key seat locating shaft including working plate and on working plate, pressing tongs assembly, support column, first pushes away pincers assembly, second pushes away pincers assembly, 3rd pushes away pincers assembly, medium-height trestle locating shaft, the main locating shaft of medium-height trestle, the working plate is fixed with middle key seat locating shaft successively along the longitudinal direction, medium-height trestle locating shaft and the main locating shaft of medium-height trestle, pressing tongs assembly and first to push away pincers assembly distribution fixed with middle key seat locating shaft both sides, second and third pushes away the both sides that pincers assembly is fixed on the main locating shaft rear of medium-height trestle, medium-height trestle each several part workpiece is arranged in above-mentioned group of mounted welder, welded using deflection machine and robot, technique is simple, welding quality is high, solder yield is up to more than 95%, workpiece is convenient after the completion of welding dismantles, and capable of being compatible with multi-type and specification workpiece.
Description
Technical field
The present invention relates to suspension car medium-height trestle welding technology field, and in particular to one kind is applied to the medium-height trestle welding of suspension car
Group mounted welder and welding method.
Background technology
Medium-height trestle is met the tendency of in the critical component of suspension car, and welding is key link of the workpiece in production technology, in
Support workpiece model is more, commonly uses medium-height trestle Workpiece structure as shown in figure 1, including No. I part of workpiece, No. II part of workpiece, workpiece III
Number part, No. IV part of workpiece, No. VI part of No. V part of workpiece and workpiece, the welded composition medium-height trestle of 6 part workpiece.
The welding of current medium-height trestle is based on human weld, and Some Enterprises also take the lead in being welded using robot, but work
Part is both needed to first by manually welding being grouped, then carry out full weld by robot, and not only welding efficiency is low, and artificial spot welding precision
Difference, influences the service efficiency of robot.In addition, during human weld, workpiece deflection is big to be produced to the quality of workpiece and follow-up assembling
Raw adverse effect.
The content of the invention
The present invention solves the problem of present medium-height trestle welding is present, without artificial spot welding workpiece, directly by artificial clamping
Workpiece, robot welding, technique is simple, convenient disassembly, it is ensured that product quality, to achieve the above object, and the present invention is used
Following technical scheme：
A kind of group mounted welder for being applied to the medium-height trestle welding of suspension car, including working plate and the middle pin on working plate
Seat locating shaft, pressing tongs assembly, support column, first push away pincers assembly, second push away pincers assembly, the 3rd push away pincers assembly, medium-height trestle locating shaft,
The main locating shaft of medium-height trestle, the working plate is fixed with middle key seat locating shaft, medium-height trestle locating shaft and middle branch successively along the longitudinal direction
The main locating shaft of frame, pressing tongs assembly and first pushes away that pincers assembly distribution is fixed with middle key seat locating shaft both sides, and it is total that second and third pushes away pincers
Into the both sides for being fixed on the main locating shaft rear of medium-height trestle.
Further, the working plate is provided with circular hole, and the circular hole and the main locating shaft of medium-height trestle are concentric, the working plate
Lower surface is fixed with supporting plate, and the main locating shaft of medium-height trestle is fixed on the supporting plate, and passes through the circular hole.
Further, the main locating shaft of the medium-height trestle and medium-height trestle locating shaft upper end are provided with screwed hole, and lower end is screwed respectively
If threaded medium-height trestle main shaft and medium-height trestle side axle, the main locating shaft of medium-height trestle and medium-height trestle locating shaft respectively with workpiece
Circular hole it is concentric.
Further, the medium-height trestle main shaft and medium-height trestle side axle tighten block, cylindrical end tangs including top and screw axle,
It is the rectangle being adapted with common wrench shape that block cross sectional shape is tightened at the top, is fixed on cylindrical end tangs upper surface, screws
Axle upper end is fixed on cylindrical end tangs lower surface, and lower end is tightened on the main locating shaft of medium-height trestle and medium-height trestle positioning by screw thread respectively
On axle.
Further, being compressed between the cylindrical end tangs and workpiece of the medium-height trestle main shaft has locating shaft on medium-height trestle, described
Medium-height trestle compresses locating shaft when having medium-height trestle between the cylindrical end tangs and workpiece of axle.
Further, the pressing tongs assembly includes pressing tongs base and pressing tongs, and the pressing tongs base is fixed on middle key seat positioning
The side of axle, pressing tongs is fixed on pressing tongs base, and described first pushes away the opposite side that pincers assembly is fixed on middle key seat locating shaft, including
Middle key seat pushes away pincers base and first pushes away pincers, and described first pushes away to clamp and be fixed with middle key seat side locating shaft.
Further, described second push away pincers assembly include medium-height trestle push away pincers base, second push away clamp and medium-height trestle location-plate, institute
State medium-height trestle and push away pincers base and be fixed on the working plate of medium-height trestle main locating shaft rear both sides, second, which pushes away pincers, is fixed on medium-height trestle and pushes away
Clamp base on, medium-height trestle location-plate is fixed on second and pushed away on pincers, the described 3rd push away pincers assembly structure and type of attachment pushed away with second
Clamp assembly identical.
The invention also discloses a kind of medium-height trestle welding method using above-mentioned group of mounted welder, comprise the following steps：
(1) associated workpiece of medium-height trestle is positioned over the corresponding position of above-mentioned group of mounted welder by, and fixed by middle key seat
Position axle, support column, pressing tongs assembly, first push away pincers assembly, second push away pincers assembly, the 3rd push away pincers assembly, medium-height trestle locating shaft, middle branch
The main locating shaft of frame, medium-height trestle main shaft, medium-height trestle in axle, medium-height trestle locating shaft, locating shaft is positioned and clamped on medium-height trestle.
(2) the group mounted welder and workpiece that assemble are arranged on positioner by, using robot to medium-height trestle each several part
Workpiece is welded, and is conjugated by positioner, weld seam is rotated to optimal location, it is ensured that welding quality.
Beneficial effects of the present invention：
1. the group mounted welder for being applied to the medium-height trestle welding of suspension car of the present invention, solves asking for present welded condition presence
Topic, without artificial spot welding workpiece, directly by artificial clamping workpiece, robot welding, technique is simple, convenient disassembly, it is ensured that
Product quality, solder yield is up to more than 95%.
2. the group mounted welder for being applied to the medium-height trestle welding of suspension car of the present invention, capable of being compatible with multi-type and Multiple Type
Workpiece.
3. the group mounted welder for being applied to the medium-height trestle welding of suspension car of the present invention, it is contemplated that the factor of welding deformation, welding
Dismantle well afterwards.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not constitute the restriction to the application.
Fig. 1 is suspension car medium-height trestle structural representation；
Fig. 2 is present invention group mounted welder front view；
Fig. 3 is present invention group mounted welder top view；
Fig. 4 is supporting plate structure schematic diagram of the present invention；
Fig. 5 is medium-height trestle side axle construction schematic diagram of the present invention；
Fig. 6 is medium-height trestle side positioning axis structure schematic diagram of the present invention；
Fig. 7 is medium-height trestle main axle structure schematic diagram of the present invention；
Fig. 8 is positioning axis structure schematic diagram on medium-height trestle of the present invention；
Fig. 9 is present invention group mounted welder and workpiece assembling front view；
Figure 10 is the A direction views in Fig. 9 of the present invention；
Figure 11 is present invention group mounted welder and workpiece assembling plan view；
Figure 12 is present invention group mounted welder and workpiece assembling stereogram；
Figure 13 is that present invention group welder makees and workpiece assembling structure intermediate cross-section stereogram；
Wherein：1. No. I part of workpiece, 2. parts of workpiece II, 3. parts of workpiece III, 4. parts of workpiece IV, 5. parts of workpiece V,
6. No. VI part of workpiece, key seat locating shaft in 7., 8. pressing tongs assemblies, 9. support columns, 10. first push away pincers assembly, and 11. second to push away pincers total
Into, 12. the 3rd push away pincers assembly, 13. medium-height trestle locating shafts, the main locating shaft of 14. medium-height trestles, 15. working plates, 16. medium-height trestle main shafts,
17. locating shaft on medium-height trestle side axle, 18. medium-height trestle side locating shafts, 19. medium-height trestles, 81. pressing tongs bases, 82. pressing tongs, in 101.
Key seat pushes away pincers base, and 102. first push away key seat side locating shaft in pincers, 103., and 111. medium-height trestles push away pincers base, and 112. second push away pincers,
113. medium-height trestle location-plate, 151. circular holes, 152. supporting plates, 1521. transverse slats, 1522. risers, 1523. swash plates, 161. tops are twisted
Tight block, 162. cylindrical end tangs, 163. screw axle, and block is tightened at 1621. shaft parts three, 1622. shaft parts four, 191. through holes, 171. tops,
172. cylindrical end tangs, 173. screw axle, 1721. shaft parts one, 1722. shaft parts two, 181. through holes.
Embodiment
Invention is described further below in conjunction with the accompanying drawings：
A kind of group mounted welder for being applied to suspension car medium-height trestle welding, including working plate 15 and on working plate in
Key seat locating shaft 7, pressing tongs assembly 8, support column 9, first push away pincers assembly 10, second push away pincers assembly the 11, the 3rd push away pincers assembly 12, in
The main locating shaft 14 of support locating shaft 13, medium-height trestle, the working plate pass sequentially through along the longitudinal direction bolt be fixed with middle key seat determine
Position axle, medium-height trestle locating shaft and the main locating shaft of medium-height trestle, pressing tongs assembly and first are pushed away during pincers assembly is bolted on respectively
Key seat locating shaft both sides, second and third pushes away the both sides that pincers assembly is bolted on the main locating shaft rear of medium-height trestle.It is described
The through hole run through above and below No. I part of middle key seat locating shaft and workpiece is concentric, and diameter is equal, the medium-height trestle locating shaft and in
The main locating shaft of support is concentric with circular hole on No. II part of workpiece respectively, the medium-height trestle positioning shaft diameter with No. II part of workpiece not
The through-hole diameter for installing No. V part of workpiece is equal in magnitude, and it is straight that the main positioning shaft diameter of medium-height trestle is less than No. V part through hole of workpiece
Footpath.
Further, the working plate is provided with circular hole 151, and the circular hole and the main locating shaft of medium-height trestle are concentric, the frock
The lower surface of plate is fixed with supporting plate 152, and the main locating shaft of medium-height trestle is fixed on the supporting plate, and passes through the circular hole.Institute
Stating supporting plate includes two parallel transverse slats 1521 and the riser 1522 being connected between two transverse slats, and the top transverse slat passes through
Working plate lower surface is bolted to, lower section transverse slat is used to fix the main locating shaft of medium-height trestle, fixed between the transverse slat and riser
There is swash plate 1523.
It is further that the support column 9 has 4, is fixed on working plate.
Further, the main locating shaft 14 of the medium-height trestle and the upper end of medium-height trestle locating shaft 13 are provided with screwed hole, screw respectively
Lower end sets threaded medium-height trestle main shaft 16 and medium-height trestle side axle 17, the main locating shaft of medium-height trestle and medium-height trestle the locating shaft difference
It is concentric with circular hole on workpiece 2 and workpiece 4.
Further, medium-height trestle side axle 17 tightens block 171, cylindrical end tangs 172 including top and screws axle 173, institute
It is the rectangle being adapted with common wrench shape to state top and tighten block cross sectional shape, is fixed on cylindrical end tangs upper surface, screws axle
Upper end is fixed on cylindrical end tangs lower surface, and lower end is screwed by screw thread and is tightened on respectively on medium-height trestle locating shaft.
Further, the cylindrical end tangs 172 of medium-height trestle side axle are a multi-diameter shaft, including shaft part 1 and shaft part two
1722, the shaft part is compressed greater diameter than the diameter of shaft part two, between No. IV part in the lower surface of shaft part one and workpiece middle branch
Frame side locating shaft 18, medium-height trestle side locating shaft 18 is a multi-diameter shaft, and its center has a through hole 181, the through-hole diameter with
Medium-height trestle side axle cylindrical end tangs two diameters of shaft part are equal, and the lower surface of the larger shaft part of the medium-height trestle side locating shaft diameter of axle compresses work
No. IV part of part, upper surface and the lower surface of cylindrical end tangs shaft part one are compressed, the smaller shaft part of the medium-height trestle side locating shaft diameter of axle
The through-hole diameter for not installing No. VI part of workpiece on No. IV part of diameter and workpiece is equal in magnitude.
Further, the medium-height trestle main shaft 16 tightens block 161, cylindrical end tangs 162 including top and screws axle 163, institute
It is the rectangle being adapted with common wrench shape to state top and tighten block cross sectional shape, is fixed on cylindrical end tangs upper surface, screws axle
Upper end is fixed on cylindrical end tangs lower surface, and lower end is screwed by screw thread to be tightened on the main locating shaft of medium-height trestle respectively.
Further, the cylindrical end tangs of the medium-height trestle main shaft are a multi-diameter shaft, including shaft part 3 1621 and shaft part four
1622, the diameter of shaft part three, which is more than to compress between the diameter of shaft part four, No. VI part in the lower surface of shaft part three and workpiece, middle branch
Locating shaft is a multi-diameter shaft on locating shaft 19 on frame, the medium-height trestle, and its center has through hole 191, and the through-hole diameter is with
The diameter of support main shaft cylindrical end tangs shaft part four is equal, and the lower surface of the larger shaft part of the locating shaft diameter of axle compresses work on the medium-height trestle
No. VI part of part, upper surface and the lower surface of cylindrical end tangs shaft part three are compressed, the smaller shaft part of the locating shaft diameter of axle on the medium-height trestle
Diameter is slightly less than No. VI part through-hole diameter of workpiece.
Further, the pressing tongs assembly 8 includes pressing tongs base 81 and pressing tongs 82, and the pressing tongs base is bolted
On the working plate of the side of middle key seat locating shaft, pressing tongs is bolted on pressing tongs base, and described first pushes away pincers assembly
10 are fixed on the opposite side of middle key seat locating shaft, including middle key seat pushes away pincers base 101 and first pushes away pincers 102, and described first pushes away pincers
Be bolted on key seat push away pincers base on, described first push away pincers on be fixed with middle key seat side locating shaft 103.
Further, described second push away pincers assembly 11 and include medium-height trestle and push away pincers base 111, second push away and clamp 112 and medium-height trestle
Location-plate 113, the medium-height trestle pushes away pincers base and is bolted on the working plate of medium-height trestle main locating shaft rear both sides, the
Two push away pincers be fixed on medium-height trestle push away pincers base on, medium-height trestle location-plate is fixed on second and pushed away on pincers, the described 3rd push away pincers assembly knot
It is identical that structure and type of attachment push away pincers assembly with second.
The invention also discloses a kind of medium-height trestle welding method using above-mentioned group of mounted welder, comprise the following steps：
The associated workpiece of medium-height trestle is positioned over the corresponding position of above-mentioned group of mounted welder by one, and is positioned by middle key seat
Axle, pressing tongs assembly, support column, first push away pincers assembly, second push away pincers assembly, the 3rd push away pincers assembly, medium-height trestle locating shaft, medium-height trestle
Main locating shaft, medium-height trestle main shaft, medium-height trestle in axle, medium-height trestle locating shaft, locating shaft is positioned and clamped on medium-height trestle, its
Concretely comprise the following steps：
1st, No. V part of workpiece is arranged on No. II part of workpiece, No. II part of workpiece placed on the support columns, workpiece II
The through hole for not installing No. V part of workpiece on part is inserted on medium-height trestle locating shaft, and No. V part of workpiece is inserted on the main locating shaft of medium-height trestle.
2nd, No. I part of workpiece is placed on No. II part of workpiece, middle key seat locating shaft penetrates run through above and below No. I part of workpiece logical
Kong Zhong, middle key seat side locating shaft pushes away pincers by first and penetrates No. I part of workpiece in the through hole that No. I part of workpiece or so runs through and pass through middle pin
Seat locating shaft and middle key seat side locating shaft are positioned.
3rd, No. III part of workpiece is positioned on No. II part of workpiece, by second push away pincers assembly and the 3rd push away pincers assembly pressed from both sides
Tight and positioning.
4th, No. VI part of workpiece is arranged on No. IV part of workpiece, No. IV part of workpiece is placed on above No. I part of workpiece, middle branch
Frame side axle is screwed in medium-height trestle locating shaft by not installing the through hole of No. VI part of workpiece on No. IV part of workpiece, medium-height trestle main shaft leads to
Cross No. VI part through hole of workpiece to screw in the main locating shaft of medium-height trestle, press pressing tongs assembly, further screw medium-height trestle side axle and in
Support main shaft, makes No. II part of workpiece, workpiece IV by the pressuring action of locating shaft on pressing tongs, medium-height trestle, medium-height trestle side locating shaft
Number No. III part of part and workpiece is further compressed, and reduces weld seam gap.
The group mounted welder and workpiece that assemble are arranged on positioner by two, using robot to medium-height trestle each several part work
Part is welded, and the circular hole of working plate can concede the space that robot is welded from the back side, conjugated by positioner, make weld seam
Rotate to optimal location, it is ensured that welding quality.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, not to present invention protection model
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deform still within protection scope of the present invention that creative work can make.
Claims (10)
1. a kind of group mounted welder for being applied to the medium-height trestle welding of suspension car, it is characterised in that including working plate and installed in frock
Middle key seat locating shaft, pressing tongs assembly, support column on plate, first push away pincers assembly, second push away pincers assembly, the 3rd push away pincers assembly, in
The main locating shaft of support locating shaft, medium-height trestle, it is fixed that the working plate is fixed with middle key seat locating shaft, medium-height trestle successively along the longitudinal direction
The position axle and main locating shaft of medium-height trestle, pressing tongs assembly and first to push away pincers assembly distribution fixed with middle key seat locating shaft both sides, second and
3rd pushes away the both sides that pincers assembly is fixed on the main locating shaft rear of medium-height trestle.
2. a kind of group mounted welder for being applied to the medium-height trestle welding of suspension car as claimed in claim 1, it is characterised in that the work
Dress plate is provided with circular hole, and the circular hole and the main locating shaft of medium-height trestle are concentric, and the lower surface of the working plate is fixed with supporting plate, described
The main locating shaft of medium-height trestle is fixed on the supporting plate, and passes through the circular hole.
3. a kind of group mounted welder for being applied to the medium-height trestle welding of suspension car as described in right will go 1, it is characterised in that in described
The main locating shaft of support and medium-height trestle locating shaft upper end are provided with screwed hole, screwed respectively lower end set threaded medium-height trestle main shaft and
Medium-height trestle side axle, the main locating shaft of medium-height trestle and medium-height trestle locating shaft are concentric with circular hole on workpiece respectively.
4. a kind of group mounted welder for being applied to the medium-height trestle welding of suspension car as claimed in claim 3, it is characterised in that in described
Support main shaft and medium-height trestle side axle tighten block, cylindrical end tangs including top and screw axle, and the top tightens block and is fixed on post
Shape boss upper surface, it is the rectangle being adapted with common wrench shape that block cross sectional shape is tightened at the top, screws axle upper end and consolidates
It is scheduled on cylindrical end tangs lower surface, lower end is screwed by screw thread is tightened on the main locating shaft of medium-height trestle and medium-height trestle locating shaft respectively
On.
5. a kind of group mounted welder for being applied to the medium-height trestle welding of suspension car as claimed in claim 4, it is characterised in that in described
Being compressed between the cylindrical end tangs and workpiece of support main shaft has locating shaft on medium-height trestle, the cylindrical end tangs and work of medium-height trestle side axle
Being compressed between part has medium-height trestle side locating shaft.
6. a kind of group mounted welder for being applied to the medium-height trestle welding of suspension car as claimed in claim 1, it is characterised in that the pressure
Clamping assembly includes pressing tongs base and pressing tongs, and the pressing tongs base is fixed on the side of middle key seat locating shaft, and pressing tongs is fixed on pressing tongs
On base.
7. a kind of group mounted welder for being applied to the medium-height trestle welding of suspension car as claimed in claim 1, it is characterised in that described the
One, which pushes away pincers assembly, is fixed on the opposite side of middle key seat locating shaft, including middle key seat pushes away pincers base and first pushes away pincers, and described first pushes away
Middle key seat side locating shaft is fixed with pincers.
8. a kind of group mounted welder for being applied to the medium-height trestle welding of suspension car as claimed in claim 1, it is characterised in that described the
Two push away pincers assembly include medium-height trestle push away pincers base, second push away pincers and medium-height trestle location-plate, the medium-height trestle push away clamp base be fixed on
On the working plate of medium-height trestle main locating shaft rear both sides, second push away pincers be fixed on medium-height trestle push away pincers base on, medium-height trestle location-plate
Second is fixed on to push away on pincers.
9. a kind of group mounted welder for being applied to the medium-height trestle welding of suspension car as claimed in claim 1, it is characterised in that described the
Three push away pincers assembly with second push away clamp assembly structure and type of attachment it is identical.
10. a kind of usage right requires to organize the medium-height trestle welding method of mounted welder described in 1-9, it is characterised in that including following step
Suddenly：
(1) associated workpiece of medium-height trestle is positioned over the corresponding position of above-mentioned group of mounted welder by, and by middle key seat locating shaft,
Pressing tongs assembly, first push away pincers assembly, second push away pincers assembly, the 3rd push away pincers assembly, medium-height trestle locating shaft, the main locating shaft of medium-height trestle,
Medium-height trestle main shaft, medium-height trestle in axle, medium-height trestle locating shaft, the mechanism such as locating shaft is positioned and clamped on medium-height trestle.
(2) the group mounted welder and workpiece that assemble are arranged on positioner by, using robot to medium-height trestle each several part workpiece
Welded, conjugated by positioner, weld seam is rotated to optimal location, it is ensured that welding quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710457234.2A CN107030438B (en) | 2017-06-16 | 2017-06-16 | A kind of group mounted welder and welding method applied to bracket welding in suspension vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710457234.2A CN107030438B (en) | 2017-06-16 | 2017-06-16 | A kind of group mounted welder and welding method applied to bracket welding in suspension vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107030438A true CN107030438A (en) | 2017-08-11 |
| CN107030438B CN107030438B (en) | 2019-01-25 |
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| CN201710457234.2A Active CN107030438B (en) | 2017-06-16 | 2017-06-16 | A kind of group mounted welder and welding method applied to bracket welding in suspension vehicle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378349A (en) * | 2017-08-25 | 2017-11-24 | 满长硕 | Welding tool setup |
| CN110125596A (en) * | 2019-06-28 | 2019-08-16 | 云南力帆骏马车辆有限公司 | Welding tooling location structure and localization method |
| CN110802355A (en) * | 2019-10-22 | 2020-02-18 | 广州文冲船厂有限责任公司 | Straight ladder dress welds frock |
| CN116117402A (en) * | 2023-04-19 | 2023-05-16 | 天津中物绿色新能源科技有限公司 | Processing device and processing method for producing photovoltaic bracket |
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