CN219426057U - Welding clamping device special for resistance spot welding test piece - Google Patents
Welding clamping device special for resistance spot welding test piece Download PDFInfo
- Publication number
- CN219426057U CN219426057U CN202320496705.1U CN202320496705U CN219426057U CN 219426057 U CN219426057 U CN 219426057U CN 202320496705 U CN202320496705 U CN 202320496705U CN 219426057 U CN219426057 U CN 219426057U
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- clamping block
- test piece
- welding
- pneumatic clamp
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Abstract
The utility model discloses a special welding clamping device for a resistance spot welding test piece, which comprises a pneumatic clamp, a connecting bracket, a spring, an upper clamping block, a lower clamping block, a base, a supporting block and a magnet, wherein the pneumatic clamp comprises a fixing part and a swinging part, and the fixing part is fixed at the rear end of the base through a bolt; the connecting bracket is fixed on the swinging part of the pneumatic clamp through a bolt; the upper clamping block is arranged on the connecting bracket and fixed by a nut, and the lower clamping block is arranged at the front end of the base by a bolt pin shaft; the upper part of the lower clamping block is embedded with a magnet; the test piece is placed on the lower clamping block and is attracted by the magnet, and the pneumatic clamp clamps the test piece through the upper clamping block on the connecting support to weld the welding tongs. The utility model can weld test pieces with different thicknesses of 1-10mm, and has the advantages of wide application range, high safety, good reliability, simple structure and convenient use.
Description
Technical Field
The utility model relates to a special welding clamping device for a resistance spot welding test piece, and belongs to the technical field of machinery.
Background
In order to ensure the stability of the resistance spot welding strength, test pieces with corresponding thickness are processed according to the thickness of all product pieces, the test pieces are welded by using welding tongs and welding parameters required during the production of the resistance spot welding, and then the test pieces are subjected to strength analysis such as tensile test and the like, and the welding parameters are adjusted according to experimental analysis results so as to ensure the stability of the welding strength. When the test piece is welded, because the test piece is smaller, an operator holds the test piece by hand to weld, the risk is larger during operation, the efficiency is low, the welded test piece is easy to deform, the accuracy of strength analysis such as a tensile test is affected, and even the follow-up work in all aspects cannot be performed.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the special device which is convenient to operate and can effectively perform the resistance spot welding of the test piece and improve the safety and the efficiency.
In order to solve the technical problem, the utility model provides a special welding clamping device for a resistance spot welding test piece, which comprises a pneumatic clamp, a connecting bracket, a spring, an upper clamping block, a lower clamping block, a base, a supporting block and a magnet, wherein the pneumatic clamp comprises a fixing part and a swinging part, and the fixing part is fixed at the rear end of the base through a bolt; the connecting bracket is fixed on the swinging part of the pneumatic clamp through a bolt; the upper clamping block is arranged on the connecting bracket and fixed by a nut, and the lower clamping block is arranged at the front end of the base by a bolt pin shaft; the upper part of the lower clamping block is embedded with a magnet; the test piece is placed on the lower clamping block and is attracted by the magnet, and the pneumatic clamp clamps the test piece through the upper clamping block on the connecting support to weld the test piece by the welding tongs.
A first shaft sleeve is arranged in the connecting bracket, a spring is arranged between the first shaft sleeve and the upper clamping block, and the upper clamping block can move up and down in the first shaft sleeve through pressure after the nuts are screwed; a second shaft sleeve is arranged in the base, a spring is arranged between the bolt pin shaft and the base, and the lower clamping block can move up and down in the second shaft sleeve through pressure after the bolt pin shaft is screwed up; because the upper clamping block and the lower clamping block are respectively internally provided with springs, the upper clamping block and the lower clamping block are respectively provided with clamping allowance, and the clamping positions can be automatically adjusted according to the difference of the thickness of the test piece.
The lower clamping block is provided with a groove, the magnet is embedded at the bottom of the groove, and the test piece is placed in the groove.
The pneumatic clamp is characterized in that a supporting block is arranged on the base, and the pneumatic clamp is fixed on the base through the supporting block.
The upper clamping block and the lower clamping block are respectively provided with a clamping allowance of 5mm, and test pieces with different thicknesses of 1-10mm can be welded.
The pneumatic clamp is provided with a clamping fence and a rotating shaft, and the clamping fence rotates by the rotating shaft to realize opening and clamping.
The beneficial effects are that: the utility model puts the test piece in the groove of the lower clamping block and uses the magnet to hold, then uses the pneumatic clamp to clamp the test piece, then welds the welding tongs, because the upper and lower clamping blocks are provided with the springs, the test pieces with different thickness of 1-10mm can be welded, and the utility model has the characteristics of wide application range, high safety, good structural reliability, simple structure and convenient use.
Drawings
Fig. 1 is a schematic structural diagram of the present utility model:
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the pneumatic clamp of the present utility model.
In the figure: 1. pneumatic tongs; 2. a connecting bracket; 3. a spring; 4. an upper clamping block; 5. a lower clamping block; 6. a base; 7. a test piece; 8. a support block; 9. a nut; 10. a first shaft sleeve; 11. a magnet; 12. bolt pin shafts; 13. an upper air port; 14. a lower air port; 15. a rotation shaft; 16. a clamping rail; 16-1, clamping state; 16-2, an open state; 17. and a second shaft sleeve.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1 to 3, the utility model provides a special welding clamping device for a resistance spot welding test piece, which comprises a pneumatic clamp 1, a connecting bracket 2, a spring 3, an upper clamping block 4, a lower clamping block 5, a base 6, a supporting block 8 and a magnet 11, wherein the pneumatic clamp 1 comprises a fixed part and a swinging part, and the fixed part is fixed at the rear end of the base 6 through bolts; the connecting bracket 2 is fixed on the swinging part of the pneumatic clamp 1 through bolts; the upper clamping block 4 is fixedly arranged on the connecting bracket 2 through a nut 9, and the lower clamping block 5 is arranged at the front end of the base 6 through a bolt pin shaft 12; the left and right sides of the lower clamping block 5 are respectively provided with a magnet 11 embedded in the upper part; the test piece 7 is placed on the lower clamping block 5 and is sucked by the magnet 11, and the pneumatic clamp 1 clamps the test piece 7 through the upper clamping block 4 on the connecting bracket 2 to weld the test piece by welding tongs.
A first shaft sleeve 10 is arranged in the connecting bracket 2, a spring 3 is arranged between the first shaft sleeve 10 and the upper clamping block 4, and after the nut 9 is screwed, the upper clamping block 4 can move up and down in the first shaft sleeve 10 through a certain pressure; a second shaft sleeve 17 is arranged in the base 6, a spring 3 is arranged between the bolt pin shaft 12 and the base 6, and the lower clamping block 5 can move up and down in the second shaft sleeve 17 through a certain pressure after the bolt pin shaft 12 is screwed up; because the upper clamping block 4 and the lower clamping block 5 are respectively internally provided with the springs 3, the upper clamping block 4 and the lower clamping block 5 respectively leave clamping allowance of 5mm, the clamping positions can be automatically adjusted according to the thickness difference of the test piece 7, and the test piece 7 with different thicknesses of 1-10mm can be welded.
The lower clamping block 5 is provided with a groove, the magnet 11 is embedded at the bottom of the groove, the test piece 7 is placed in the groove, and the test piece is attracted by the magnet.
The pneumatic clamp is characterized in that a supporting block 8 is arranged on the base 6, the pneumatic clamp 1 is fixed on the base 6 through the supporting block 8, and the supporting block 8 is used for supporting the pneumatic clamp 1 to prevent overlarge clamping force.
As shown in fig. 3, the pneumatic clamp 1 is provided with a clamping bar 16 and a rotating shaft 15, the clamping bar 16 rotates by the rotating shaft 15 to realize opening and clamping, when the lower air port 14 is in an air inlet, the clamping bar 16 is in a clamping state 16-1, and the upper clamping block 4 is driven by the connecting bracket 2 to press the test piece 7; when the upper air port 13 is in the air intake, the clamping rail 16 is in an open state 16-2.
When the test piece clamping device is used, two test pieces 7 are respectively placed in grooves on the upper surfaces of the two lower clamping blocks 5, the test pieces 7 are sucked by the magnet 11, then the test pieces are clamped by the pneumatic clamp 1 and the upper clamping block 4, resistance welding is carried out on the overlapped parts of the two test pieces 7 after clamping, the pneumatic clamp 1 is opened after welding, when the pneumatic clamp 1 is opened, the upper connecting support 2 and the upper clamping block 4 are opened together, and the operation is completed after the test pieces 7 are taken out. Because the upper clamping block and the lower clamping block are internally provided with the springs 3, the upper clamping block and the lower clamping block are respectively provided with a clamping allowance of 5mm, the clamping force of the pneumatic clamp 1 is mainly on the supporting block 8, and the clamping force of the test piece 7 is mainly on the springs 3. Therefore, the two test pieces 7 can be respectively 1-10mm in thickness, and have the characteristics of wide application range, high safety, good structural reliability, simple structure and convenient use.
The above-described embodiments of the utility model are intended to be examples only, and not to be limiting, and all changes that come within the scope of the utility model or equivalents thereto are intended to be embraced thereby.
Claims (6)
1. A special welding clamping device for a resistance spot welding test piece is characterized in that: the pneumatic clamp comprises a pneumatic clamp (1), a connecting bracket (2), a spring (3), an upper clamping block (4), a lower clamping block (5), a base (6), a supporting block (8) and a magnet (11), wherein the pneumatic clamp (1) comprises a fixing part and a swinging part, and the fixing part is fixed at the rear end of the base (6) through a bolt; the connecting bracket (2) is fixed on the swinging part of the pneumatic clamp (1) through a bolt; the upper clamping block (4) is arranged on the connecting bracket (2) and fixed by a nut (9), and the lower clamping block (5) is arranged at the front end of the base (6) by a bolt pin shaft (12); a magnet (11) is embedded in the upper part of the lower clamping block (5); the test piece (7) is arranged on the lower clamping block (5) and is sucked by the magnet (11), and the pneumatic clamp (1) clamps the test piece (7) through the upper clamping block (4) on the connecting bracket (2) for welding the welding tongs.
2. The welding clamping device special for a resistance spot welding test piece according to claim 1, wherein: a first shaft sleeve (10) is arranged in the connecting bracket (2), a spring (3) is arranged between the first shaft sleeve (10) and the upper clamping block (4), and the upper clamping block (4) can move up and down in the first shaft sleeve (10) through a certain pressure after the nut (9) is screwed up; a second shaft sleeve (17) is arranged in the base (6), a spring (3) is arranged between the bolt pin shaft (12) and the base (6), and the lower clamping block (5) can move up and down in the second shaft sleeve (17) through a certain pressure after the bolt pin shaft (12) is screwed up; because the upper clamping block (4) and the lower clamping block (5) are internally provided with the springs (3), the upper clamping block (4) and the lower clamping block (5) are respectively provided with clamping allowance, and the clamping positions can be automatically adjusted according to the thickness difference of the test piece (7).
3. The welding clamping device special for a resistance spot welding test piece according to claim 1, wherein: the lower clamping block (5) is provided with a groove, the magnet (11) is embedded at the bottom of the groove, and the test piece (7) is placed in the groove.
4. The welding clamping device special for a resistance spot welding test piece according to claim 1, wherein: the pneumatic clamp is characterized in that a supporting block (8) is arranged on the base (6), and the pneumatic clamp (1) is fixed on the base (6) through the supporting block (8).
5. The welding clamping device special for a resistance spot welding test piece according to claim 1, wherein: the pneumatic clamp (1) is provided with a clamping rail (16) and a rotating shaft (15), and the clamping rail (16) rotates by the rotating shaft (15) to realize opening and clamping.
6. The welding clamp device special for a resistance spot welding test piece according to any one of claims 1 to 5, wherein: the upper clamping block (4) and the lower clamping block (5) are respectively provided with a clamping allowance of 5mm, and test pieces (7) with different thicknesses of 1-10mm can be welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320496705.1U CN219426057U (en) | 2023-03-15 | 2023-03-15 | Welding clamping device special for resistance spot welding test piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320496705.1U CN219426057U (en) | 2023-03-15 | 2023-03-15 | Welding clamping device special for resistance spot welding test piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219426057U true CN219426057U (en) | 2023-07-28 |
Family
ID=87340297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320496705.1U Active CN219426057U (en) | 2023-03-15 | 2023-03-15 | Welding clamping device special for resistance spot welding test piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219426057U (en) |
-
2023
- 2023-03-15 CN CN202320496705.1U patent/CN219426057U/en active Active
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