CN211490245U - Automobile sheet metal part welding fixture - Google Patents
Automobile sheet metal part welding fixture Download PDFInfo
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- CN211490245U CN211490245U CN201922310444.6U CN201922310444U CN211490245U CN 211490245 U CN211490245 U CN 211490245U CN 201922310444 U CN201922310444 U CN 201922310444U CN 211490245 U CN211490245 U CN 211490245U
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- support
- auxiliary
- flanging
- block
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Abstract
The utility model provides an automobile sheet metal part welding fixture, which comprises a bottom plate, fixture components and a feeding guide part, wherein a plurality of fixture components are distributed around a workpiece to be clamped; the workpiece comprises a shell, the shell comprises a main plane, a side wall and a flange, the clamp assembly can clamp the main plane, a positioning pin is arranged on the clamp assembly along the vertical direction, a positioning hole matched with the positioning pin is formed in the flange, and the positioning pin can be inserted into the positioning hole; the material loading guide part is distributed at each apex angle of the shell, the material loading guide part comprises a base, a guide rod and a reinforcing rod, the base is installed on the bottom plate, the guide rod and the reinforcing rod are welded on the base, a positioning gap is reserved between the side walls of the guide rod and the shell, the guide rod extends upwards along the vertical direction, and the reinforcing rod obliquely supports the lower side of the guide rod. The utility model discloses a work piece material loading efficiency is high, positioning accuracy is high.
Description
Technical Field
The utility model belongs to the technical field of the automobile parts processing, concretely relates to car sheet metal component welding jig.
Background
The automobile sheet metal part needs to be fixed by using the clamp during welding, the area of the automobile sheet metal part is usually large, the size of the clamp used by the automobile sheet metal part is correspondingly large, the automobile sheet metal part is difficult to be accurately positioned on the clamp quickly during feeding of a workpiece, the feeding efficiency and the positioning accuracy are low, and the positioning accuracy of the workpiece directly influences the welding accuracy of the workpiece, so that the welding clamp capable of improving the feeding efficiency and the feeding accuracy of the workpiece is needed. In addition, the shape of the automobile sheet metal part is irregular, the automobile sheet metal part usually has a plurality of surfaces with different heights, and the existing welding fixture only clamps the main plane when clamping the workpiece, so that other surfaces cannot be fixed during welding, unstable phenomena such as shaking and pressure deformation occur, and the welding precision is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automobile sheet metal component welding jig to solve the problem that material loading efficiency is low, positioning accuracy is low of automobile sheet metal component on anchor clamps.
The utility model provides a following technical scheme:
an automobile sheet metal part welding clamp comprises a bottom plate, clamp assemblies and a feeding guide part, wherein the clamp assemblies are arranged on the bottom plate and distributed around a workpiece to be clamped; the workpiece comprises a shell, the shell comprises a main plane, a side wall and a flange, the main plane sinks to the bottom of the side wall, the clamp assembly can clamp the main plane, a positioning pin is installed on the clamp assembly along the vertical direction, the flange bends outwards from the top of the side wall, a positioning hole matched with the positioning pin is formed in the flange, and the positioning pin can be inserted into the positioning hole; the feeding guide pieces are distributed at each vertex angle of the shell and comprise a base, a guide rod and a reinforcing rod, the base is installed on the bottom plate, the guide rod and the reinforcing rod are welded on the base, a positioning gap is reserved between the guide rod and the side wall of the shell, the guide rod extends upwards along the vertical direction, and the reinforcing rod obliquely supports the guide rod.
Preferably, the clamp assembly comprises a main clamp, the main clamp comprises a main support, a main pressure arm, a main pressing block, a supporting block support, a main supporting block and a main cylinder, the main support and the supporting block support are both vertically fixed on the bottom plate, the main cylinder is mounted on the main support, one end of the main pressure arm is hinged to the main cylinder, one side of the main pressure arm, close to the main cylinder, is hinged to the main support, the other end of the main pressure arm is provided with the main pressing block, the main supporting block is fixed on the supporting block support and is arranged opposite to the main pressing block, and the main cylinder can drive the main pressing block to rotate so as to clamp the main plane of the shell together with the main pressing block.
Preferably, the workpiece further comprises a support welded to the outside of the side wall of the housing, and the support extends horizontally to the outside of the housing; the main pressure arm is fixed with a support body pressing block, the main support is fixed with a support body ejecting block, the height of the support body ejecting block is matched with that of the support body, the support body pressing block and the support body ejecting block are oppositely arranged, and the main cylinder can drive the support body pressing block to rotate so that the support body pressing block and the support body ejecting block clamp the support body together.
Preferably, the clamp assembly further comprises a flanging clamp, the flanging clamp comprises an auxiliary support, an auxiliary pressure arm, an auxiliary pressure block, an auxiliary supporting block and an auxiliary air cylinder, the auxiliary support is fixed on the bottom plate, the auxiliary air cylinder is mounted on the auxiliary support, one end of the auxiliary pressure arm is hinged to the auxiliary air cylinder, one side, close to the auxiliary air cylinder, of the auxiliary pressure arm is hinged to the auxiliary support, the auxiliary pressure block is mounted at the other end of the auxiliary pressure arm, the auxiliary supporting block is fixed on the auxiliary support and is opposite to the auxiliary pressure block, and the auxiliary pressure block and the auxiliary supporting block can clamp the main plane of the shell together; the auxiliary pressure arm and an auxiliary support are provided with a flanging clamping space therebetween, a flanging pressing block is fixed on the auxiliary pressure arm, a flanging top block is fixed on the auxiliary support, the flanging pressing block and the flanging top block are both located in the flanging clamping space and are arranged oppositely, and the flanging pressing block and the flanging top block can clamp the flanging together.
Preferably, the positioning pin is fixed on the main support or the auxiliary support.
Preferably, the top of the guide bar is curved to a side away from the housing.
Preferably, each top corner of the shell is provided with two feeding guide pieces, and the two feeding guide pieces at the same top corner are respectively close to the end parts of the two adjacent side walls.
Preferably, a main supporting piece is installed at the middle part of the bottom plate, and the main supporting piece supports the main plane of the shell.
The utility model has the advantages that: the utility model discloses install the material loading guide on the bottom plate, the material loading guide distributes in each apex angle department of casing, leaves the location clearance between material loading guide and the casing, and usable material loading guide carries out coarse positioning to the work piece, improves material loading efficiency; the guide rod of the feeding guide piece is vertically arranged on the bottom plate, and the top of the strip-shaped guide rod has a certain shaking allowance, so that the workpiece can be flexibly positioned, and the workpiece is not easily abraded during feeding; the lower side of the guide rod is supported by the reinforcing rod, so that the positioning performance of the guide rod is ensured, and the guide rod is prevented from excessively shaking. The positioning pin is arranged on the clamp assembly and matched with the positioning hole in the shell flanging, so that the workpiece can be accurately positioned, and the positioning precision of workpiece welding is ensured.
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 embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of a workpiece structure according to the present invention;
fig. 2 is a schematic front view of the present invention;
fig. 3 is a schematic view of the installation structure of the feeding guide of the present invention on the bottom plate;
FIG. 4 is a schematic view of the main clamp structure of the present invention;
FIG. 5 is a schematic view of the structure of the flanging jig of the present invention;
FIG. 6 is a schematic structural view of the main clamp and the flanging clamp of the present invention clamping a workpiece;
labeled as: 100. a housing; 101. a principal plane; 102. a side wall; 103. flanging; 200. a support body; 300. a base plate; 400. a clamp assembly; 410. a main clamp; 411. a main support; 412. a main pressure arm; 413. a main pressing block; 414. a main support block; 415. a master cylinder; 416. pressing the support body; 417. a support body top block; 418. a support block support; 420. a flanging clamp; 421. an auxiliary support; 422. an auxiliary pressure arm; 423. auxiliary briquetting; 424. an auxiliary support block; 425. an auxiliary cylinder; 426. flanging and pressing blocks; 427. a flanging top block; 430. positioning pins; 500. a feeding guide; 510. a base; 520. a guide bar; 530. a reinforcing bar; 600. the main supporting piece.
Detailed Description
The embodiment provides a welding fixture for an automobile sheet metal part, and the structure of the automobile sheet metal part is shown in fig. 1, and the welding fixture comprises a shell 100 and a support 200, wherein the shell 100 is integrally rectangular, the shell 100 comprises a main plane 101, a side wall 102 and a flange 103, the main plane 101 sinks to the bottom of the side wall 102, the flange 103 is bent outwards and horizontally from the top of the side wall 102, and a plurality of positioning holes are formed in the flange 103; the support body 200 is welded to the outside of the sidewall of the case 100, and the support body 200 horizontally extends toward the outside of the case 100.
As shown in fig. 2, the welding jig includes a base plate 300, a jig assembly 400, and a feeding guide 500.
As shown in fig. 2 and 3, the feeding guide members 500 roughly position the workpiece, the feeding guide members 500 are distributed at four corners of the housing 100, two feeding guide members 500 are installed at each corner of the housing, and the two feeding guide members at the same corner are respectively close to two adjacent side wall ends, so as to guide and position the two adjacent side walls. The feeding guide 500 comprises a base 510, a guide rod 520 and a reinforcing rod 530, the base 510 is mounted on the bottom plate 300 through bolts, the guide rod 520 and the reinforcing rod 530 are welded on the base 510, the guide rod 530 extends upwards along the vertical direction, a positioning gap is left between the guide rod 530 and the side wall 102 of the casing 100, and the reinforcing rod 530 is obliquely supported on the lower side of the guide rod 520; the top of the guide bar 520 is bent to a side away from the housing 100 to provide a larger operation space for loading. During feeding, the workpiece can be rapidly placed between the guide rods 520, the position of the workpiece is preliminarily positioned, the top of each guide rod 520 can slightly shake, and flexible positioning is carried out on feeding of the workpiece.
As shown in fig. 2, a plurality of clamp assemblies 400 are mounted on the base plate 300, and the clamp assemblies 400 are distributed around the workpiece to be clamped. The fixture assembly 400 is provided with a positioning pin 430 matched with the positioning hole along the vertical direction, and the positioning pin 430 can be inserted into the positioning hole to precisely position the workpiece.
The clamp assembly 400 comprises a main clamp 410 and a flanging clamp 420, wherein the main clamp 410 and the flanging clamp 420 are both provided with clamping actions by air cylinders, and air passages of the air cylinders are connected in parallel and then controlled by the same pressing valve, so that the clamps can simultaneously act.
As shown in fig. 4 and 6, the main clamp 410 is used for clamping the main plane 101 and the support 200 of the housing, the main clamp 410 includes a main support seat 411, a main pressure arm 412, a main pressing block 413, a support block seat 418, a main support block 414 and a main cylinder 415, the main support seat 411 and the support block seat 418 are both vertically fixed on the base plate 300, the main cylinder 415 is installed on the main support seat 411, one end of the main pressure arm 412 is hinged on a piston rod of the main cylinder 415, one side of the main pressure arm 412 close to the main cylinder 415 is hinged on the main support seat 411, the other end of the main pressure arm 412 is provided with the main pressing block 412, the main support block 414 is fixed on the support seat 418 and is arranged opposite to the main pressing block 412, the height of the main support block 414 is matched with the height of the main plane 101, the main pressure arm 415 rotates to drive the main pressing block 413 to rotate, so that the main pressing block 413 and the main support block 414.
The main pressure arm 412 is further fixed with a support pressing block 416, the main support 411 is fixed with a support top block 417, the height of the support top block 417 is matched with the height of the support body 200, the support top block 417 is arranged opposite to the support pressing block 416, and the main cylinder 415 can drive the main pressure arm 412 to drive the support pressing block 416 to rotate, so that the support pressing block 416 and the support top block 417 clamp the support body 200 together.
As shown in fig. 5 and 6, the flanging jig 420 is used for clamping the main plane 101 and the flanging 103 of the housing, the flanging jig 420 includes an auxiliary support 421 and an auxiliary pressure arm 422, the auxiliary support 421 is fixed on the bottom plate 300 through bolts, the auxiliary cylinder 425 is installed on the auxiliary support 421, one end of an auxiliary pressure arm 422 is hinged to a piston rod of the auxiliary cylinder 425, one side, close to the auxiliary cylinder 425, of the auxiliary pressure arm 422 is hinged to the auxiliary support 421, the other end of the auxiliary pressure arm 422 is provided with the auxiliary pressure block 423, the auxiliary support block 424 is fixed on the auxiliary support 421 and is arranged opposite to the auxiliary pressure block 423, the height of the auxiliary support block 424 is matched with the height of the main plane 101 of the shell, and the auxiliary cylinder 425 can drive the auxiliary pressure arm 422 to drive the auxiliary pressure block 423 to rotate, so that the auxiliary pressure block 423 and the auxiliary support block 424 clamp the main plane 101 of the shell together. A flanging clamping space is reserved between the auxiliary pressure arm 422 and the auxiliary support 421, a flanging pressing block 426 is fixed on the auxiliary pressure arm 422, a flanging top block 427 is fixed on the auxiliary support 421, the flanging pressing block 426 and the flanging top block 427 are both located in the flanging clamping space and are arranged oppositely, the height of the flanging top block 427 is matched with the height of the flanging 103, and the auxiliary air cylinder 425 can drive the auxiliary pressure arm 422 to drive the flanging pressing block 426 to rotate, so that the flanging pressing block 426 and the flanging top block 427 clamp the flanging 103 together.
As shown in fig. 4 and 5, the positioning pin 430 is fixedly mounted on the main holder 411 or the auxiliary holder 421.
As shown in fig. 2, three main supporting pieces 600 are installed at the middle portion of the base plate 300, and the main supporting pieces 600 support the middle portion of the main plane 101 to prevent the middle portion of the main plane from sinking and deforming.
The working process of the welding fixture is as follows: controlling a press valve, enabling the main clamp 410 and the flanging clamp 420 to be in an open state through an air cylinder, horizontally placing a workpiece on the main clamp 410 and the flanging clamp 420 under the guiding and positioning effects of the feeding guide 500, and then inserting the positioning pin 430 into the positioning hole in the flanging 103 to accurately position the workpiece on the clamps; then, the pressing valve is pressed down, each cylinder drives the main clamp 410 and the flanging clamp 420 to act, so that the main clamp 410 and the flanging clamp 420 simultaneously clamp the main plane 101 of the shell, the main clamp 410 clamps the support body 200, and the flanging clamp 420 clamps the flanging 103 of the shell, thereby reliably clamping different parts of the workpiece, and then welding operation is carried out.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The welding fixture for the automobile sheet metal parts is characterized by comprising a bottom plate, fixture components and a feeding guide part, wherein the fixture components are arranged on the bottom plate and distributed around a workpiece to be clamped; the workpiece comprises a shell, the shell comprises a main plane, a side wall and a flanging, the main plane sinks to the bottom of the side wall, the flanging is bent outwards from the top of the side wall, and the clamp assembly can clamp the main plane; the clamp assembly is provided with a positioning pin along the vertical direction, the flanging is provided with a positioning hole matched with the positioning pin, and the positioning pin can be inserted into the positioning hole; the feeding guide pieces are distributed at each vertex angle of the shell and comprise a base, a guide rod and a reinforcing rod, the base is installed on the bottom plate, the guide rod and the reinforcing rod are welded on the base, a positioning gap is reserved between the guide rod and the side wall of the shell, the guide rod extends upwards along the vertical direction, and the reinforcing rod obliquely supports the lower side of the guide rod.
2. The automobile sheet metal part welding jig of claim 1, wherein the jig assembly comprises a main jig, the main jig comprises a main support, a main cylinder, a main pressure arm, a main pressing block, a supporting block support and a main supporting block, the main support and the supporting block support are both vertically fixed on the bottom plate, the main cylinder is mounted on the main support, one end of the main pressure arm is hinged on the main cylinder, one side of the main pressure arm close to the main cylinder is hinged on the main support, the other end of the main pressure arm is provided with the main pressing block, the main supporting block is fixed on the supporting block support and is arranged opposite to the main pressing block, and the main pressing block can rotate to clamp the main plane of the shell together with the main supporting block.
3. The automobile sheet metal part welding jig of claim 2, wherein the workpiece further comprises a support welded to the outside of the side wall of the shell, the support extending horizontally to the outside of the shell; the main pressure arm is fixed with a support body pressing block, the main support is fixed with a support body ejecting block, the height of the support body ejecting block is matched with that of the support body, the support body pressing block and the support body ejecting block are oppositely arranged, and the main cylinder can drive the support body pressing block to rotate so as to clamp the support body together with the support body ejecting block.
4. The automobile sheet metal part welding fixture as claimed in claim 3, wherein the fixture assembly further comprises a flanging fixture, the flanging fixture comprises an auxiliary support, an auxiliary pressure arm, an auxiliary pressing block, an auxiliary supporting block and an auxiliary cylinder, the auxiliary support is fixed on the bottom plate, the auxiliary cylinder is mounted on the auxiliary support, one end of the auxiliary pressure arm is hinged to the auxiliary cylinder, one side of the auxiliary pressure arm, which is close to the auxiliary cylinder, is hinged to the auxiliary support, the other end of the auxiliary pressure arm is mounted with the auxiliary pressing block, the auxiliary supporting block is fixed on the auxiliary support and is arranged opposite to the auxiliary pressing block, and the auxiliary pressing block and the auxiliary supporting block can clamp the main plane of the housing together; the auxiliary pressure arm and the auxiliary support are provided with a flanging clamping space, a flanging pressing block is fixed on the auxiliary pressure arm, a flanging top block is fixed on the auxiliary support, the flanging pressing block and the flanging top block are both located in the flanging clamping space and are arranged oppositely, and the flanging pressing block and the flanging top block can be clamped together to form the flanging.
5. The automobile sheet metal part welding jig of claim 4, wherein the positioning pin is fixed to the main support or the auxiliary support.
6. The automobile sheet metal part welding jig of claim 1, wherein the top of the guide bar is curved to a side away from the housing.
7. The automobile sheet metal part welding jig of claim 6, characterized in that, two material loading guides are installed at each apex angle of the casing, and two material loading guides at the same apex angle are respectively close to two adjacent side wall ends.
8. The automobile sheet metal part welding jig according to any one of claims 1 to 4, wherein a main support is installed at a middle portion of the bottom plate, and the main support supports a main plane of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922310444.6U CN211490245U (en) | 2019-12-20 | 2019-12-20 | Automobile sheet metal part welding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922310444.6U CN211490245U (en) | 2019-12-20 | 2019-12-20 | Automobile sheet metal part welding fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211490245U true CN211490245U (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922310444.6U Expired - Fee Related CN211490245U (en) | 2019-12-20 | 2019-12-20 | Automobile sheet metal part welding fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211490245U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199189A (en) * | 2021-04-15 | 2021-08-03 | 东风汽车股份有限公司 | Positioning device for lap welding of automobile body-in-white metal plates and using method |
| CN114103131A (en) * | 2021-11-30 | 2022-03-01 | 重庆卡福汽车制动转向系统有限公司 | Thermal insulation housing welding device with deformable welding edge |
| CN114147411A (en) * | 2021-12-10 | 2022-03-08 | 东风汽车股份有限公司 | Flexible front plate assembling clamp |
-
2019
- 2019-12-20 CN CN201922310444.6U patent/CN211490245U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199189A (en) * | 2021-04-15 | 2021-08-03 | 东风汽车股份有限公司 | Positioning device for lap welding of automobile body-in-white metal plates and using method |
| CN113199189B (en) * | 2021-04-15 | 2023-03-07 | 东风汽车股份有限公司 | Positioning device for lap welding of automobile body-in-white metal plates and using method |
| CN114103131A (en) * | 2021-11-30 | 2022-03-01 | 重庆卡福汽车制动转向系统有限公司 | Thermal insulation housing welding device with deformable welding edge |
| CN114103131B (en) * | 2021-11-30 | 2024-02-02 | 重庆卡福汽车制动转向系统有限公司 | Welding device for heat preservation housing with deformable welding edge |
| CN114147411A (en) * | 2021-12-10 | 2022-03-08 | 东风汽车股份有限公司 | Flexible front plate assembling clamp |
| CN114147411B (en) * | 2021-12-10 | 2023-11-10 | 东风汽车股份有限公司 | Flexible front plate assembling clamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200915 Termination date: 20211220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |