CN103921046A - Automobile garment and cap plate locating device - Google Patents
Automobile garment and cap plate locating device Download PDFInfo
- Publication number
- CN103921046A CN103921046A CN201410170077.3A CN201410170077A CN103921046A CN 103921046 A CN103921046 A CN 103921046A CN 201410170077 A CN201410170077 A CN 201410170077A CN 103921046 A CN103921046 A CN 103921046A
- Authority
- CN
- China
- Prior art keywords
- alignment pin
- automobile clothing
- automobile
- clothing plate
- right angle
- 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.)
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Classifications
-
- 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
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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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)
Abstract
The invention relates to locating devices for automobile welding, in particular to an automobile garment and cap plate locating device. The automobile garment and cap plate locating device comprises a main clamp frame and an automobile garment and cap plate locating mechanism, the automobile garment and cap plate locating mechanism comprises a driving part and a locating part, the driving part is connected with the main clamp frame, the driving part is movably connected with the locating part, the driving part drives the locating part to move downwards, and an automobile garment and cap plate is located through the locating part. The automobile garment and cap plate locating device is strong in integrality, the automobile garment and cap locating plate can be located from different positions, tolerance matching in operation can be controlled more easily in integral locating, errors generated in locating are lowered greatly, and the welding effect of the automobile garment and cap plate is improved.
Description
Technical field
The present invention relates to the positioner of Automobile Welding, particularly relate to a kind of automobile clothing plate positioning device.
Background technology
The production capacity of automobile and quality are two large indexs of production line, same, as most important size Control person in body in white welding process---and positioner becomes a key factor that promotes production capacity and guarantee body quality.
The welding of automobile clothing plate is as the part in body in white welding process, and the accuracy of its location is determining the effect of welding, so the control of the precision of automobile clothing plate positioning device important effect to welding it.Current automobile clothing plate positioning device adopts the form of location, both sides, adopting two positioners respectively the both sides of automobile clothing plate to be positioned, owing to being that two positioners are located same automobile clothing plate simultaneously, so the synchronism to these two positioners is had relatively high expectations, caused the tolerance in operating process to be difficult to coordinate, location produces error, finally has influence on the welding effect of automobile clothing plate.
Summary of the invention
The invention provides a kind of automobile clothing plate positioning device, be intended to solve the error easily causing when same automobile clothing plate is positioned with two positioners in prior art, allow positioner more easily operate and to control.
The invention provides a kind of automobile clothing plate positioning device, comprise location main clamp framework, automobile clothing board positioning mechanism, described automobile clothing board positioning mechanism comprises drive division and the location division that automobile clothing plate is positioned, described drive division is connected with main clamp framework, described drive division is flexibly connected with location division, and described drive division drives location division to move downward.
As a further improvement on the present invention, the drive division of this automobile clothing plate positioning device comprises upper bracket, guide post, guide post cylinder, described location division comprises lower carriage, upper bracket is connected with location main clamp framework by securing member, the bar cylinder of guide post is connected with upper bracket by securing member, the piston rod of guide post is connected with lower carriage, and upper bracket is provided with guide post cylinder, and the piston rod of guide post air cylinder driven guide post moves.When automobile body-in-white is transported to welding position, location main clamp framework drops near car body, body in white is carried out to coarse positioning, decline along with location main clamp framework, driving automobile clothing plate positioning device drops near automobile clothing plate, automobile clothing plate is carried out to coarse positioning, then by the piston rod of guide post air cylinder driven guide post, do movement vertically downward, realized the fine positioning to clothing plate.
As a further improvement on the present invention, the lower carriage of described a kind of automobile clothing plate positioning device comprises crossbeam and flank beam, and described flank beam is positioned at the two ends of described crossbeam perpendicular with described crossbeam, and described guide post is connected with crossbeam.Lower carriage adopts the structure of crossbeam and flank beam, simple in structure, has not only saved material, and easily assembled.
As a further improvement on the present invention, the lower carriage of described a kind of automobile clothing plate positioning device is provided with the alignment pin that the hole of automobile clothing plate is positioned.The automobile clothing plate of body in white is provided with some holes, and the alignment pin on lower carriage can stretch into the fine positioning of realization to automobile clothing plate in hole according to the position in these holes.
As the present invention, further improve, the alignment pin of described a kind of automobile clothing plate positioning device comprises alignment pin shank, hook plate and location plunger, described hook plate is positioned at alignment pin shank, one end of described location plunger is connected to alignment pin shank, and it is outside that the other end of described location plunger is positioned at alignment pin shank; Described alignment pin is provided with alignment pin cylinder, described alignment pin cylinder comprises alignment pin cylinder block and alignment pin air cylinder driven sheet, described alignment pin air cylinder driven sheet comprises alignment pin air cylinder driven lamellar body and alignment pin air cylinder driven sheet plate, described alignment pin air cylinder driven lamellar body is connected with alignment pin air cylinder driven sheet plate, and described alignment pin air cylinder driven lamellar body and hook plate are hinged.
As a further improvement on the present invention, the hook plate of described a kind of automobile clothing plate positioning device is provided with deep-slotted chip breaker and hook head, and described alignment pin shank is provided with deep-slotted chip breaker fixed leg, and described deep-slotted chip breaker matches with deep-slotted chip breaker fixed leg.Described alignment pin air cylinder driven hook plate is done rectilinear motion, drives the side of the outstanding described location of hook head plunger by deep-slotted chip breaker and coordinating of deep-slotted chip breaker fixed leg.When the position of automobile clothing plate and vehicle frame is too low with respect to welding position, can automobile clothing plate be lifted to suitable welding position by outstanding hook head, realized the fine positioning to automobile clothing plate.
As further improvement of the present invention, the lower carriage of described a kind of automobile clothing plate positioning device is provided with right angle locating piece, and described right angle locating piece is connected with lower carriage by securing member.
As a further improvement on the present invention, the right angle locating piece of described a kind of automobile clothing plate positioning device comprises front right angle locating piece and rear right angle locating piece, front right angle locating piece is connected to described crossbeam by securing member, rear right angle locating piece is connected to described flank beam by securing member, the position, forward position of locating piece location, described front right angle automobile clothing plate, described rear right angle locating piece is located the rear along position of automobile clothing plate.When the piston rod of guide post air cylinder driven guide post is done vertically downward mobile, front and back locating module is pushed down respectively the front and rear side of automobile clothing plate along part.When the position of automobile clothing plate and vehicle frame is too high with respect to welding position, can to the process that presses down of automobile clothing plate, automobile clothing plate be forced down to suitable welding position by right angle locating piece, realized the fine positioning to automobile clothing plate.
As a further improvement on the present invention, the lower carriage of described a kind of automobile clothing plate positioning device is provided with positioning clamping device, and positioning clamping device and lower carriage are hinged.
As a further improvement on the present invention, the positioning clamping device of described a kind of automobile clothing plate positioning device is positioned at the rear end of flank beam, described positioning clamping device comprises clamp and clamp cylinder, the cylinder barrel of described clamp cylinder and flank beam are hinged, the caliper of described clamp and flank beam are hinged, the piston rod of described clamp cylinder and one end of clamp are hinged, and the other end of described clamp coordinates with flank beam.When the position of automobile clothing plate and vehicle frame is too low with respect to welding position, can along the effect of part, automobile clothing plate be lifted to suitable welding position after to automobile clothing plate by clamp, realized automobile clothing plate has been done to further fine positioning.
The invention has the beneficial effects as follows: the globality of this automobile clothing plate positioning device is strong, and position from different positions to automobile clothing plate, and the tolerance fit in the whole easier control operation in location, greatly reduce the error producing while locating, improved the welding effect of automobile clothing plate.
Accompanying drawing explanation
Fig. 1 is the position view of a kind of automobile clothing of the present invention plate positioning device;
Fig. 2 is the side view of this automobile clothing plate positioning device;
Fig. 3 is the axonometric drawing of this automobile clothing plate positioning device;
Fig. 4 is the cut-away view of the alignment pin of this automobile clothing plate positioning device.
The meaning that in accompanying drawing, each sequence number represents is as follows:
Location main clamp framework 1, automobile clothing board positioning mechanism 2, upper bracket 3, lower carriage 4, crossbeam 41, flank beam 42, guide post 51, guide post cylinder 52, alignment pin 61, alignment pin shank 611, hook plate 612, deep-slotted chip breaker 6121, hook head 6122, alignment pin plunger 613, deep-slotted chip breaker fixed leg 614, alignment pin cylinder 62, alignment pin cylinder block 621, alignment pin air cylinder driven sheet 622, alignment pin air cylinder driven lamellar body 6221, alignment pin air cylinder driven sheet plate 6222, front right angle locating piece 71, rear right angle locating piece 72, clamp 81, clamp cylinder 82.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
Fig. 1 is the location main clamp in body in white welding process, headstock direction when right side is body in white welding in figure, the tailstock direction of left side while weld for body in white in figure, thus take scheme in right side be the front end of location main clamp, take scheme on the left of be the rear end of locating main clamp.Automobile clothing plate is positioned at the rear portion at automobile rear seat, so as can be seen from the figure automobile clothing plate positioning device is positioned at the latter half of location main clamp, and is connected with location main clamp framework 1.
From Fig. 2 and Fig. 3, can find out, this automobile clothing plate positioning device comprises upper bracket 3 and lower carriage 4, and upper bracket 3 is connected with location main clamp framework 1 by securing member.Upper bracket 3 both sides are provided with two guide posts 51, and the bar cylinder of guide post 51 is connected with upper bracket by securing member, and the piston rod of guide post 51 is connected with lower carriage 4; Upper bracket 3 mid portions are provided with a guide post cylinder 52, and this guide post cylinder 52 drives two guide posts 51, make the piston rod of two guide posts 51 synchronously do the movement of vertical direction, finally drive lower carriage 4 to do reposefully the movement of vertical direction.When body in white moves to suitable position, guide post cylinder 52 drives two guide posts 51 to move vertically downward, and 4 of lower carriages vertically move down and automobile clothing plate is positioned under the drive of two guide posts 51, so that the welding sequence of back; After welding completes, guide post cylinder 52 drives guide post 51 to do vertically upward and moves, thereby drives lower carriage 4 upwards to lift, and has realized the coarse positioning to automobile clothing plate.Lower carriage 4 comprises that crossbeam 41 and 42, two flank beams of two flank beams 42 are the both sides with crossbeam 41.Article two, right angle locating piece 72 after the bottom of flank beam 42 is respectively equipped with, crossbeam 41 is connected with two front right angle locating pieces 71 by two connecting plates, between the junction of rear right angle locating piece 72 and flank beam 42, be provided with backing plate between the junction of front right angle locating piece 71 and connecting plate, when different automobile types being carried out to automobile clothing plate location, can add according to demand or reduce the position that backing plate regulates forward and backward right angle locating piece, to meet production technology.Forward and backward right angle locating piece is located respectively the forward position, rear along position of automobile clothing plate, when guide post cylinder 52 drives guide post 51 to drive lower carriage 4 to decline, the locating surface of forward and backward right angle locating piece withstands respectively the forward position of automobile clothing plate and rear along part, the locating surface of active force when lower carriage 4 declines by forward and backward right angle locating piece is applied to the forward position of automobile clothing plate and rear along part, makes automobile clothing plate be fixed on suitable position according to demand.From figure, it can also be seen that, in the rear end of two flank beams 42, be respectively provided with two clamps 81, clamp 81 drives its motion by clamp cylinder 82, clamp 81 and clamp cylinder 82 are hinged with flank beam 42, chuck one end of clamp 81 coordinates with flank beam 42, and such cooperation can make clamp 81 clamp automobile clothing plate.When the position of automobile clothing plate and vehicle frame is too low with respect to welding position, can automobile clothing plate be lifted to suitable welding position by the effect along part after 81 pairs of automobile clothing plates of clamp, realize the fine positioning to automobile clothing plate.Article two, the front end of flank beam 42 is respectively provided with two alignment pins 61, alignment pin 61 upper ends are provided with alignment pin cylinder 62, the automobile clothing plate of body in white is provided with some holes, and alignment pin 61 can stretch in hole and coordinate with automobile clothing plate according to the position in these holes, realizes the fine positioning to automobile clothing plate.
As can be seen from Figure 4, alignment pin 61 comprises alignment pin shank 611, hook plate 612, deep-slotted chip breaker locating dowel 614, hook plate 612 is provided with deep-slotted chip breaker 6121 and hook head 6122, the width of deep-slotted chip breaker 6121 is slightly larger than the width of deep-slotted chip breaker locating dowel 614, and hook plate 612 can be moved with respect to deep-slotted chip breaker locating dowel 614 by deep-slotted chip breaker 6121.By deep-slotted chip breaker 6121, match with the deep-slotted chip breaker fixed leg 614 of alignment pin 61, alignment pin cylinder 62 drives alignment pin air cylinder driven sheet 622 to drive hook plate 612 to do rectilinear motion, the side that drives hook head 6122 outstanding described alignment pin plungers 613 that coordinates by deep-slotted chip breaker 6121 with deep-slotted chip breaker fixed leg 614, after alignment pin 61 coordinates with automobile clothing plate hole, the outstanding automobile clothing plate bottom of catching on of hook head 6122.When the position of automobile clothing plate and vehicle frame is too low with respect to welding position, can automobile clothing plate be lifted to suitable welding position by outstanding hook head 6122, realized the fine positioning to automobile clothing plate.
The workflow of this automobile clothing plate positioning device: before dialogue car welds, the component combination that need to weld each that can be artificial is to the vehicle frame of body in white, position corresponding on vehicle frame is just put parts in artificial combination, whether suitable for the position between parts and vehicle frame, by positioner, the position of parts is adjusted, to guarantee the carrying out of follow-up welding procedure.After automobile clothing plate is by the artificial back-end location that is combined to body in white vehicle frame, automobile clothing plate follows vehicle frame to be transported to the below of main clamp framework 1, main clamp framework 1 driving automobile clothing board positioning mechanism drops to the upper end position near automobile clothing plate together, the alignment pin 61 of automobile clothing board positioning mechanism now, front right angle locating piece 71 and rear right angle locating piece 72 have been aimed at the hole of automobile clothing plate, forward position part and rear along part, guide post cylinder 52 drives guide post 51 to drive lower carriage 4 to do downward motion vertically downward, alignment pin 61 extend in the hole of automobile clothing plate, front right angle locating piece 71 and rear right angle locating piece 72 by with automobile clothing plate before, afterwards along contact partly, automobile clothing plate is applied to the power pressing down, when if the distance when artificial combination between automobile clothing plate and automobile frame is greater than the distance of welding requirements, the power effect that automobile clothing plate can be applied by front right angle locating piece 71 and rear right angle locating piece 72 is depressed into the distance of welding requirements.The hook plate 6122 of alignment pin 61 in alignment pin stretches into automobile clothing plate hole after, under the driving of alignment pin cylinder 62, do motion vertically downward, simultaneously by the cooperation between deep-slotted chip breaker 6121 and deep-slotted chip breaker fixed leg 614, drive the side of hook head 6122 outstanding alignment pin plungers 613, from the bottom of automobile clothing plate, catch on automobile clothing plate, can have a power of upwards putting forward to automobile clothing plate simultaneously; At lower carriage 4, do after downward motion vertically downward, the clamp 81 of being located at flank beam 41 can drive chuck to clamp from the bottom up automobile clothing plate under the driving of clamp cylinder 82, can there is a power of upwards putting forward to automobile clothing plate simultaneously, when if the distance when artificial combination between automobile clothing plate and automobile frame is less than the distance of welding requirements, mention the distance of welding requirements under the effect of the power that automobile clothing plate can be applied by hook head 6122 and clamp 81.By respectively automobile clothing plate distance up or down being adjusted, make automobile clothing plate reach suitable welding position, finally guaranteed the welding quality of automobile clothing plate.
Above content is the further description of the present invention being done in conjunction with concrete preferred embodiment, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. an automobile clothing plate positioning device, it is characterized in that, comprise location main clamp framework (1), automobile clothing board positioning mechanism (2), described automobile clothing board positioning mechanism (2) comprises drive division and the location division that automobile clothing plate is positioned, described drive division is connected with main clamp framework (1), described drive division is flexibly connected with location division, and described drive division drives location division to move downward.
2. a kind of automobile clothing plate positioning device according to claim 1, it is characterized in that, described drive division comprises upper bracket (3), guide post (51), guide post cylinder (52), described location division comprises lower carriage (4), upper bracket (3) is connected with location main clamp framework (1) by securing member, the bar cylinder of guide post (51) is connected with upper bracket (3) by securing member, the piston rod of guide post (51) is connected with lower carriage (4), upper bracket (3) is provided with guide post cylinder (52), guide post cylinder (52) drives the piston rod of guide post (51) to move.
3. a kind of automobile clothing plate positioning device according to claim 2, it is characterized in that, described lower carriage (4) comprises crossbeam (41) and flank beam (42), described flank beam (42) is positioned at the two ends of described crossbeam (41) perpendicular with described crossbeam (41), and the piston rod of described guide post (51) is connected with crossbeam (41).
4. a kind of automobile clothing plate positioning device according to claim 3, is characterized in that, described lower carriage (4) is provided with the alignment pin (61) that the hole of automobile clothing plate is positioned.
5. a kind of automobile clothing plate positioning device according to claim 4, it is characterized in that, described alignment pin (61) comprises alignment pin shank (611), hook plate (612) and alignment pin plunger (613), described hook plate (612) is positioned at alignment pin shank (611), one end of described alignment pin plunger (613) is connected to alignment pin shank (611), and the other end of described alignment pin plunger (613) is positioned at alignment pin shank (611) outside; Described alignment pin (61) is provided with alignment pin cylinder (62), described alignment pin cylinder (62) comprises alignment pin cylinder block (621) and alignment pin air cylinder driven sheet (622), described alignment pin air cylinder driven sheet (622) comprises alignment pin air cylinder driven lamellar body (6221) and alignment pin air cylinder driven sheet plate (6222), described alignment pin air cylinder driven lamellar body (6221) is connected with alignment pin air cylinder driven sheet plate (6222), and described alignment pin air cylinder driven lamellar body (6221) is hinged with hook plate (612).
6. a kind of automobile clothing plate positioning device according to claim 5, it is characterized in that, described hook plate (612) is provided with deep-slotted chip breaker (6121) and hook head (6122), described alignment pin shank (611) is provided with deep-slotted chip breaker fixed leg (614), and described deep-slotted chip breaker (6121) matches with deep-slotted chip breaker fixed leg (614).
7. a kind of automobile clothing plate positioning device according to claim 3, is characterized in that, described lower carriage is provided with right angle locating piece, and described right angle locating piece is connected with lower carriage (4) by securing member.
8. a kind of automobile clothing plate positioning device according to claim 7, it is characterized in that, described right angle locating piece comprises front right angle locating piece (71) and rear right angle locating piece (72), front right angle locating piece (71) is connected to described crossbeam (41) by securing member, rear right angle locating piece (72) is connected to described flank beam (42) by securing member, the position, forward position of described front right angle locating piece (71) location automobile clothing plate, described rear right angle locating piece (72) is located the rear along position of automobile clothing plate.
9. a kind of automobile clothing plate positioning device according to claim 3, is characterized in that, described lower carriage is provided with positioning clamping device, and positioning clamping device and lower carriage (4) are hinged.
10. a kind of automobile clothing plate positioning device according to claim 9, it is characterized in that, described positioning clamping device comprises clamp (81) and clamp cylinder (82), the cylinder barrel of described clamp cylinder (82) and flank beam (42) are hinged, the caliper of described clamp (81) and flank beam (42) are hinged, one end of the piston rod of described clamp cylinder (82) and clamp (81) is hinged, and the other end of described clamp (81) coordinates with flank beam (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410170077.3A CN103921046B (en) | 2014-04-25 | 2014-04-25 | A kind of automobile clothing plate positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410170077.3A CN103921046B (en) | 2014-04-25 | 2014-04-25 | A kind of automobile clothing plate positioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103921046A true CN103921046A (en) | 2014-07-16 |
| CN103921046B CN103921046B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410170077.3A Active CN103921046B (en) | 2014-04-25 | 2014-04-25 | A kind of automobile clothing plate positioning device |
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| Country | Link |
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| CN (1) | CN103921046B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111805143A (en) * | 2020-07-15 | 2020-10-23 | 安徽江淮汽车集团股份有限公司 | Positioning tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0491893A (en) * | 1990-08-02 | 1992-03-25 | Taisei Corp | Method and device for shifting swing type automatic welder in joint welding work for reinforcing steel or the like |
| KR200440798Y1 (en) * | 2007-04-23 | 2008-07-03 | 세웅기계 주식회사 | Carrier for conveying sideview mirror of a vehicle |
| CN201300287Y (en) * | 2008-12-01 | 2009-09-02 | 上海交运股份有限公司汽车零部件分公司 | Welding tooling for inner plate of vehicle body |
| CN203266013U (en) * | 2013-05-16 | 2013-11-06 | 上海哲成汽车装备工程有限公司 | Coat and gown locating installation flexible sliding table |
| CN203887429U (en) * | 2014-04-25 | 2014-10-22 | 上汽通用五菱汽车股份有限公司 | Automobile clothes-hat plate location device |
-
2014
- 2014-04-25 CN CN201410170077.3A patent/CN103921046B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0491893A (en) * | 1990-08-02 | 1992-03-25 | Taisei Corp | Method and device for shifting swing type automatic welder in joint welding work for reinforcing steel or the like |
| KR200440798Y1 (en) * | 2007-04-23 | 2008-07-03 | 세웅기계 주식회사 | Carrier for conveying sideview mirror of a vehicle |
| CN201300287Y (en) * | 2008-12-01 | 2009-09-02 | 上海交运股份有限公司汽车零部件分公司 | Welding tooling for inner plate of vehicle body |
| CN203266013U (en) * | 2013-05-16 | 2013-11-06 | 上海哲成汽车装备工程有限公司 | Coat and gown locating installation flexible sliding table |
| CN203887429U (en) * | 2014-04-25 | 2014-10-22 | 上汽通用五菱汽车股份有限公司 | Automobile clothes-hat plate location device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111805143A (en) * | 2020-07-15 | 2020-10-23 | 安徽江淮汽车集团股份有限公司 | Positioning tool |
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| Publication number | Publication date |
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| CN103921046B (en) | 2016-08-24 |
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