CN116372476A - Welding fixture for white automobile body - Google Patents
Welding fixture for white automobile body Download PDFInfo
- Publication number
- CN116372476A CN116372476A CN202310375496.XA CN202310375496A CN116372476A CN 116372476 A CN116372476 A CN 116372476A CN 202310375496 A CN202310375496 A CN 202310375496A CN 116372476 A CN116372476 A CN 116372476A
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- bottom plate
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- welding
- clamping
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- 238000003466 welding Methods 0.000 title claims abstract description 77
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 238000003825 pressing Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 230000007306 turnover Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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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
- B23K37/0443—Jigs
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a welding fixture for an automobile body-in-white, which comprises a fixture bottom plate, a clamping mechanism, a positioning mechanism, a measuring mechanism and an auxiliary system, wherein the clamping mechanism is positioned on the upper surfaces of two sides of the fixture bottom plate; the positioning mechanism comprises a positioning cylinder, a second support, a second positioning plate and a positioning pin, the connecting piece is driven to rotate through the positioning cylinder, and then the positioning pin on the connecting piece is driven to position the welding piece, so that welding precision and production efficiency are improved.
Description
Technical Field
The invention relates to the technical field of automobile clamps, in particular to a welding clamp for an automobile body in white.
Background
The welding materials of the white car body are mainly cold-rolled steel plates of low carbon steel, galvanized steel plates and the like. They are good in weldability and suitable for most welding methods, but are thin and therefore poor in rigidity and easy to deform. In terms of structure, most of welding parts are stamping forming parts with space curved surfaces, and the welding parts are complex in shape and structure. Some stamping parts with deep cavities have rebound deformation besides deformation caused by poor rigidity; and secondly, the resistance welding is a welding method mainly adopted in the white body welding of the automobile.
For the welding process flow: the basic characteristic of automobile welding is that the processes of combining and recombining single parts to parts and then to an assembly are independent and interrelated, so that the welding precision of the assembly determines the welding precision of the part assembly and finally influences and determines the welding precision and quality of the automobile body-in-white welding assembly, but in the existing welding process of automobile body-in-white, the positioning and clamping work of assembled parts are mostly carried out manually, the positioning accuracy cannot be ensured, and the efficiency is low.
Disclosure of Invention
The invention provides a welding fixture for an automobile body-in-white, which solves the problems that in the existing welding process of the automobile body-in-white, the positioning of a workpiece assembly of the welding fixture is not accurate enough, when quality problems occur, the reasons cannot be found and corrected in time, the operation is tedious and the efficiency is low.
In order to achieve the above purpose, the present invention provides the following technical solutions: the welding fixture for the white automobile body comprises a fixture bottom plate, a clamping mechanism, a positioning mechanism, a measuring mechanism and an auxiliary system, wherein the clamping mechanism is positioned on the upper surfaces of two sides of the fixture bottom plate, the positioning mechanism is positioned in the middle of the fixture bottom plate, the clamping mechanism and the positioning mechanism on two sides are linearly arranged on the upper surface of the fixture bottom plate, the accuracy of the fixture is improved through the measuring mechanism arranged on the upper surface of the fixture bottom plate, and the auxiliary system is positioned on the surface of the fixture bottom plate and drives the fixture bottom plate to move or rotationally adjust the angle and the position of the welding fixture;
the clamping mechanism comprises a clamping cylinder, a first support, a first positioning plate, a clamping arm, a clamping block and a supporting block, wherein the first support is positioned at two sides of a clamp bottom plate, the bottom of the first support is fixedly connected with the upper surface of the clamp bottom plate, the first positioning plate is positioned above the first support, the clamping cylinder is positioned at one side of the first positioning plate, the clamping cylinder is connected with a side wall surface of the first positioning plate through a bolt, the clamping arm is positioned at the upper end of the first positioning plate, the tail end of the first positioning plate is mutually hinged with the output end of the clamping cylinder, a rotary lug plate assembly is arranged near the tail end of the clamping arm, the rotary lug plate assembly is mutually hinged with the first positioning plate, the clamping block is positioned at the lower position of the front end of the clamping arm, the supporting block is positioned at a notch arranged at one side of the upper end of the first positioning plate, the supporting block is vertically hinged with the tail end of the clamping arm, and the clamping arm is correspondingly hinged with the clamping arm, and the clamping arm is mutually driven to be mutually matched with the clamping block through the clamping arm;
the positioning mechanism comprises a positioning cylinder, a second support, a second positioning plate and a positioning pin, wherein the second support is positioned at the center of the clamp bottom plate, the second support is fixedly arranged on the upper surface of the clamp bottom plate, the second positioning plate is positioned at the upper end of the second support, the positioning cylinder is positioned at one side of the second positioning plate, the side wall of the positioning cylinder is connected with the second support, the output end of the positioning cylinder is hinged with the wall surface of the second positioning plate through a connecting piece, the positioning pin is positioned at the upper end of the connecting piece, and the connecting piece is driven to rotate through the positioning cylinder so as to drive the positioning pin on the connecting piece to position the welding piece.
Preferably, the measuring mechanism comprises a reference surface, a reference groove and a reference hole, wherein the reference surface is the same as the working surface of the clamp bottom plate, and the reference groove and the reference hole are both positioned on the upper surface of the clamp bottom plate.
Preferably, the reference groove is formed as two crisscross grooves perpendicular to each other.
Preferably, the reference holes are located at corner positions of the bottom plate of the fixture, each fixture comprises at least 3 reference holes which are not in the same straight line, and the reference holes are provided with mounting protection plates.
Preferably, the two sides of the upper surface of the clamp bottom plate are respectively provided with an eye bolt, and the eye bolts are fixedly connected with the surface of the clamp bottom plate in a spiral mode.
Preferably, the clamping mechanism further comprises a supporting block sensor, the supporting block sensor is located on one side wall surface of the upper end of the first locating plate, the supporting block sensor corresponds to the supporting block in position, and the working condition of the weldment on the supporting block is detected through the supporting block sensor.
Preferably, the rotating ear plate assembly is used as a rotating connection point of the pressing arm and the first positioning plate, and the pressing arm realizes lifting and falling actions.
Preferably, the lower end of the clamp bottom plate is respectively provided with a moving assembly, the moving assembly comprises universal casters and directional casters, two groups of universal casters are positioned on the lower end surface of one side of the clamp bottom plate, and two groups of directional casters are positioned on the lower end surface of the other side of the clamp bottom plate.
Preferably, a positioning sensor is arranged on one side wall surface of the connecting piece, and the position of the welding piece is detected through the positioning sensor.
Preferably, the clamp bottom plate comprises a bottom frame, reinforcing ribs and a welding interface of channel steel.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the tool can cancel blanking and scribing work through accurate and reliable positioning and clamping, so that the dimensional deviation of products such as automobile parts is reduced, and the precision and interchangeability of the parts are improved.
2. In the invention, the welding tool can ensure that the workpiece is positioned at a better welding position, the welding seam has good formability, the process defects are obviously reduced, the welding speed is improved, and the welding deformation can be effectively prevented and lightened.
3. In the invention, the mechanical device is used for replacing heavy work such as positioning, clamping and workpiece overturning when the parts are assembled manually, thereby improving the labor condition of workers, expanding the application range of the advanced production process method and improving the production efficiency.
4. The invention promotes the comprehensive development of mechanization and automation of the production processes of spot welding, arc welding, laser welding, riveting, binding and the like, is convenient for the cooperative operation with a robot, realizes the distributed control of a normal workshop and realizes the industrial 4.0 production mode.
5. The invention ensures that the positioning references of the related components, parts and the fixture of the vehicle body welding assembly have uniformity and inheritance, ensures the quality of the final product, is easy to analyze reasons even if quality problems occur, and is convenient to correct and control; meanwhile, the welding fixture is more convenient and flexible to use and operate, an operator can conveniently put parts on the fixture to be positioned and clamped, a welding gun is conveniently operated to weld, and a workpiece is conveniently taken out.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is an elevational view of the weld fixture of the present invention as a whole for an automotive body-in-white;
FIG. 2 is a side view of the entirety of the welding jig for an automotive body-in-white of the present invention;
FIG. 3 is a top view of the weld fixture of the present invention for an automotive body-in-white;
reference numerals in the drawings: 1. a clamp base plate; 101. an eye bolt; 201. a clamping cylinder; 202. a first support; 203. a first positioning plate; 204. a hold-down arm; 205. a compaction block; 206. a support block; 207. rotating the ear plate assembly; 208. a notch; 209. a support block sensor; 301. positioning a cylinder; 302. a second support; 303. a second positioning plate; 304. a positioning pin; 305. a connecting piece; 401. universal castor; 402. directional casters.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Examples: as shown in fig. 1-3, a welding fixture for an automobile body-in-white comprises a fixture bottom plate 1, a clamping mechanism, a positioning mechanism, a measuring mechanism and an auxiliary system, wherein the fixture bottom plate 1 comprises a welding interface of a bottom frame, a reinforcing rib and channel steel, two sides of the upper surface of the fixture bottom plate 1 are respectively provided with an eye bolt 101, the eye bolts 101 are fixedly connected with the surface of the fixture bottom plate 1 in a spiral manner, a lifting device of the fixture bottom plate 1 further comprises a lifting rod, the lower end of the fixture bottom plate 1 is respectively provided with a moving assembly, the moving assembly comprises universal casters 401 and directional casters 402, two groups of the universal casters 401 are positioned on the lower end surface of one side of the fixture bottom plate 1, two groups of the directional casters 402 are positioned on the lower end surface of the other side of the fixture bottom plate 1, the clamping mechanisms are positioned on the upper surfaces of two sides of the clamp bottom plate 1, the positioning mechanisms are positioned in the middle of the clamp bottom plate 1, the clamping mechanisms and the positioning mechanisms on two sides are linearly arranged on the upper surface of the clamp bottom plate 1, the clamp precision is improved through a measuring mechanism arranged on the upper surface of the clamp bottom plate 1, the measuring mechanism comprises a reference surface, a reference groove and a reference hole, the reference surface is identical to the working surface of the clamp bottom plate 1, the reference groove and the reference hole are both positioned on the upper surface of the clamp bottom plate 1, and the reference groove is in two crisscross grooves which are perpendicular to each other, wherein the position of the reference groove can be determined by actual needs but is kept in the whole hundred positions of coordinates; the reference holes are positioned at the corners of the clamp bottom plate 1, each fixture clamp comprises at least 3 reference holes which are not on the same straight line, the area contained by the connecting line of the reference holes is as maximum as possible, the reference holes are provided with mounting protection plates, the auxiliary system is positioned on the surface of the clamp bottom plate 1, and the auxiliary system comprises a rotating system, a turnover mechanism and a sliding table and drives the clamp bottom plate 1 to move or rotationally adjust the angle and the position of the welding clamp;
the rotating system arranged in the clamp bottom plate 1 and the clamp support can enable the clamp bottom plate 1 to rotate 360 degrees on a plane, and is also provided with a rolling bearing for flexible and light rotation, so that the system can solve or overcome the defect of few welding machines, and when the welding machines are motionless and the cable length is limited, the rotating clamp can enable welding spots to move to the working area of the welding tongs for welding, so that the welding work is convenient and easy to carry out, and the welding quality is ensured; in addition, a stop device can be arranged to ensure that the clamp can be in a stable working condition during clamping and dismounting; for the turnover mechanism, when the welding spot is positioned at the middle position, if the X-shaped welding tongs are used for spot welding, the welding tongs cannot extend into the turnover mechanism, the throat depth is insufficient, and the welding is difficult; if the C-shaped welding tongs are used, the welding can be performed if the clamp is horizontally arranged, but the labor intensity of workers is high. The turnover mechanisms can be arranged on two sides of the clamp bottom plate 1, so that a weldment can be turned over to two sides by 90 degrees, and the plane of the weldment is positioned at the vertical position, so that a worker can weld a welding gun at the horizontal position, and the labor intensity is greatly reduced; and the turning mechanism can be additionally provided with a stop mechanism to prevent accidents caused by automatic return of the clamp to the original position, and the counterweight is added to facilitate and save labor when a worker operates the turning mechanism, and the structure is not shown in the drawing.
The clamping mechanism comprises a clamping cylinder 201, a first support 202, a first positioning plate 203, a pressing arm 204, a pressing block 205 and a supporting block 206, wherein the first support 202 is positioned at two sides of the clamp bottom plate 1, the bottom of the first support 202 is fixedly connected with the upper surface of the clamp bottom plate 1, the first positioning plate 203 is positioned above the first support 202, the clamping cylinder 201 is positioned at one side of the first positioning plate 203, the clamping cylinder 201 is connected with one side wall surface of the first positioning plate 203 through a bolt, the pressing arm 204 is positioned at the upper end of the first positioning plate 203, the tail end of the first positioning plate 203 is hinged with the output end of the clamping cylinder 201, a rotary lug plate assembly 207 is arranged near the tail end of the pressing arm 204, the rotary lug plate assembly 207 is fixedly connected with the upper surface of the pressing arm 204, the lower end of the rotary lug plate assembly 207 is hinged with the first positioning plate 203, the pressing block 203 is positioned at the position corresponding to the lower end of the pressing block 203 through the rotary lug plate assembly 207 as the pressing arm 204, and the lower end of the pressing block 205 is positioned at the position of the supporting block 206;
specifically, the clamping cylinder 201 drives the tail end of the pressing arm 204, and drives the pressing block 205 at the front end of the pressing arm 204 to open and close up and down, and to mutually match with the supporting block 206, so as to clamp a welding piece, the clamping mechanism further comprises a supporting block sensor 209, the supporting block sensor 209 is located on a side wall surface at the upper end of the first positioning plate 203, the supporting block sensor 209 corresponds to the supporting block 206 in position, and the working condition of the welding piece on the supporting block 206 is detected through the supporting block sensor 209.
The positioning mechanism comprises a positioning cylinder 301, a second support 302, a second positioning plate 303 and a positioning pin 304, wherein the second support 302 is positioned at the center of the clamp bottom plate 1, the second support 302 is fixedly arranged on the upper surface of the clamp bottom plate 1, the second positioning plate 303 is positioned at the upper end of the second support 302, the positioning cylinder 301 is positioned at one side of the second positioning plate 303, the side wall of the positioning cylinder 301 is connected with the second support 302, the output end of the positioning cylinder 301 is hinged with the wall surface of the second positioning plate 303 through a connecting piece 305, and the positioning pin 304 is positioned at the upper end of the connecting piece 305;
the positioning cylinder 301 drives the connecting piece 305 to rotate, so that the positioning pin 304 on the connecting piece 305 is driven to position the welding piece, a positioning sensor is arranged on one side wall surface of the connecting piece 305, and the position of the welding piece is detected by the positioning sensor.
Finally, it should be noted that: the foregoing is merely a preferred example of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A welding jig for white automobile body, its characterized in that: the welding fixture comprises a fixture bottom plate, clamping mechanisms, positioning mechanisms, measuring mechanisms and auxiliary systems, wherein the clamping mechanisms are positioned on the upper surfaces of two sides of the fixture bottom plate, the positioning mechanisms are positioned in the middle of the fixture bottom plate, the clamping mechanisms and the positioning mechanisms on two sides are linearly arranged on the upper surface of the fixture bottom plate, the accuracy of the fixture is improved through the measuring mechanisms arranged on the upper surface of the fixture bottom plate, and the auxiliary systems are positioned on the surface of the fixture bottom plate and drive the fixture bottom plate to move or rotationally adjust the angle and the position of the welding fixture;
the clamping mechanism comprises a clamping cylinder, a first support, a first positioning plate, a clamping arm, a clamping block and a supporting block, wherein the first support is positioned at two sides of a clamp bottom plate, the bottom of the first support is fixedly connected with the upper surface of the clamp bottom plate, the first positioning plate is positioned above the first support, the clamping cylinder is positioned at one side of the first positioning plate, the clamping cylinder is connected with a side wall surface of the first positioning plate through a bolt, the clamping arm is positioned at the upper end of the first positioning plate, the tail end of the first positioning plate is mutually hinged with the output end of the clamping cylinder, a rotary lug plate assembly is arranged near the tail end of the clamping arm, the rotary lug plate assembly is mutually hinged with the first positioning plate, the clamping block is positioned at the lower position of the front end of the clamping arm, the supporting block is positioned at a notch arranged at one side of the upper end of the first positioning plate, the supporting block is vertically hinged with the tail end of the clamping arm, and the clamping arm is correspondingly hinged with the clamping arm, and the clamping arm is mutually driven to be mutually matched with the clamping block through the clamping arm;
the positioning mechanism comprises a positioning cylinder, a second support, a second positioning plate and a positioning pin, wherein the second support is positioned at the center of the clamp bottom plate, the second support is fixedly arranged on the upper surface of the clamp bottom plate, the second positioning plate is positioned at the upper end of the second support, the positioning cylinder is positioned at one side of the second positioning plate, the side wall of the positioning cylinder is connected with the second support, the output end of the positioning cylinder is hinged with the wall surface of the second positioning plate through a connecting piece, the positioning pin is positioned at the upper end of the connecting piece, and the connecting piece is driven to rotate through the positioning cylinder so as to drive the positioning pin on the connecting piece to position the welding piece.
2. A welding fixture for an automotive body-in-white as defined in claim 1, wherein: the measuring mechanism comprises a datum plane, a datum groove and a datum hole, wherein the datum plane is the same as the working surface of the clamp bottom plate, and the datum groove and the datum hole are both positioned on the upper surface of the clamp bottom plate.
3. A welding fixture for an automotive body-in-white as defined in claim 2, wherein: the reference grooves are two crisscross grooves which are perpendicular to each other.
4. A welding fixture for an automotive body-in-white according to claim 3, characterized in that: the reference holes are positioned at the corners of the clamp bottom plate, each fixture clamp comprises at least 3 reference holes which are not in the same straight line, and the reference holes are provided with installation protection plates.
5. A welding fixture for an automotive body-in-white as defined in claim 1, wherein: and the two sides of the upper surface of the clamp bottom plate are respectively provided with an eye bolt, and the eye bolts are fixedly connected with the surface of the clamp bottom plate in a spiral manner.
6. A welding fixture for an automotive body-in-white as defined in claim 1, wherein: the clamping mechanism further comprises a supporting block sensor, the supporting block sensor is located on one side wall surface of the upper end of the first locating plate, the supporting block sensor corresponds to the supporting block in position, and the working condition of a weldment on the supporting block is detected through the supporting block sensor.
7. A welding fixture for an automotive body-in-white as defined in claim 1, wherein: the rotary lug plate assembly is used as a rotary connection point of the pressing arm and the first positioning plate, and the pressing arm realizes lifting and falling actions.
8. A welding fixture for an automotive body-in-white as defined in claim 1, wherein: the lower end of the clamp bottom plate is respectively provided with a moving assembly, the moving assembly comprises universal casters and directional casters, two groups of universal casters are positioned on the lower end surface of one side of the clamp bottom plate, and two groups of directional casters are positioned on the lower end surface of the other side of the clamp bottom plate.
9. A welding fixture for an automotive body-in-white as defined in claim 1, wherein: and a positioning sensor is arranged on one side wall surface of the connecting piece, and the position of the welding piece is detected by the positioning sensor.
10. A welding fixture for an automotive body-in-white as defined in claim 1, wherein: the clamp bottom plate comprises an underframe, reinforcing ribs and a welding interface of channel steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310375496.XA CN116372476A (en) | 2023-04-10 | 2023-04-10 | Welding fixture for white automobile body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310375496.XA CN116372476A (en) | 2023-04-10 | 2023-04-10 | Welding fixture for white automobile body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116372476A true CN116372476A (en) | 2023-07-04 |
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ID=86969022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310375496.XA Pending CN116372476A (en) | 2023-04-10 | 2023-04-10 | Welding fixture for white automobile body |
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| Country | Link |
|---|---|
| CN (1) | CN116372476A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005104374A (en) * | 2003-09-30 | 2005-04-21 | Mazda Motor Corp | Welding device of car body |
| CN201881092U (en) * | 2010-11-09 | 2011-06-29 | 浙江金刚汽车有限公司 | Locating device for automobile engine top cover assembly |
| CN201997842U (en) * | 2010-12-20 | 2011-10-05 | 长城汽车股份有限公司 | Automobile sheet metal welding fixture |
| CN202934278U (en) * | 2012-08-31 | 2013-05-15 | 浙江吉利汽车研究院有限公司杭州分公司 | Welding clamp measuring reference structure |
| CN103624452A (en) * | 2012-08-28 | 2014-03-12 | 江苏卡威专用汽车制造有限公司 | Car front floor assembly clamp |
| CN206869362U (en) * | 2017-05-17 | 2018-01-12 | 上海樊恒金属制品有限公司 | A kind of soldering cramping apparatus for automobile |
| CN109262172A (en) * | 2018-11-13 | 2019-01-25 | 滁州学院 | A kind of automobile body-in-white skeleton station robot piece uploading flexible welding positioning tool |
| CN211915937U (en) * | 2019-12-19 | 2020-11-13 | 南京天河汽车零部件股份有限公司芜湖分公司 | Car rear bumper assembly multi-station welding fixture |
| CN212070909U (en) * | 2020-03-24 | 2020-12-04 | 天津天汽模车身装备技术有限公司 | Single-cylinder two-stage clamping device of welding fixture |
-
2023
- 2023-04-10 CN CN202310375496.XA patent/CN116372476A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005104374A (en) * | 2003-09-30 | 2005-04-21 | Mazda Motor Corp | Welding device of car body |
| CN201881092U (en) * | 2010-11-09 | 2011-06-29 | 浙江金刚汽车有限公司 | Locating device for automobile engine top cover assembly |
| CN201997842U (en) * | 2010-12-20 | 2011-10-05 | 长城汽车股份有限公司 | Automobile sheet metal welding fixture |
| CN103624452A (en) * | 2012-08-28 | 2014-03-12 | 江苏卡威专用汽车制造有限公司 | Car front floor assembly clamp |
| CN202934278U (en) * | 2012-08-31 | 2013-05-15 | 浙江吉利汽车研究院有限公司杭州分公司 | Welding clamp measuring reference structure |
| CN206869362U (en) * | 2017-05-17 | 2018-01-12 | 上海樊恒金属制品有限公司 | A kind of soldering cramping apparatus for automobile |
| CN109262172A (en) * | 2018-11-13 | 2019-01-25 | 滁州学院 | A kind of automobile body-in-white skeleton station robot piece uploading flexible welding positioning tool |
| CN211915937U (en) * | 2019-12-19 | 2020-11-13 | 南京天河汽车零部件股份有限公司芜湖分公司 | Car rear bumper assembly multi-station welding fixture |
| CN212070909U (en) * | 2020-03-24 | 2020-12-04 | 天津天汽模车身装备技术有限公司 | Single-cylinder two-stage clamping device of welding fixture |
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