CN220698523U - Friction stir welding clamp - Google Patents
Friction stir welding clamp Download PDFInfo
- Publication number
- CN220698523U CN220698523U CN202322447303.5U CN202322447303U CN220698523U CN 220698523 U CN220698523 U CN 220698523U CN 202322447303 U CN202322447303 U CN 202322447303U CN 220698523 U CN220698523 U CN 220698523U
- Authority
- CN
- China
- Prior art keywords
- aluminum alloy
- friction stir
- stir welding
- alloy cavity
- dead lever
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- 238000003466 welding Methods 0.000 title claims abstract description 39
- 238000003756 stirring Methods 0.000 title claims abstract description 33
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 69
- 230000002457 bidirectional effect Effects 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000452 restraining effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Abstract
The utility model discloses a friction stir welding clamp, which relates to the technical field of tool clamps and comprises a workbench, wherein the bottom of the workbench is fixedly connected with a fixing plate, the surface of the fixing plate is rotationally connected with a bidirectional threaded rod, the bidirectional threaded rod penetrates into the fixing plate, limiting grooves are formed in the surface of the workbench, two limiting grooves are formed in the surface of the workbench, when a clamping block moves to clamp and fix an aluminum alloy cavity, the aluminum alloy cavity moves towards the center of the workbench along with the clamping block under the action of spring force, so that the aluminum alloy cavity is always positioned at the center point of the clamping, the situation that the aluminum alloy cavity moves in a staggered mode during use is avoided, meanwhile, the device can be adaptively adjusted according to different specifications of the aluminum alloy cavity, the use effect of the device is improved, and workers are not required to detach bolts to fix the aluminum alloy cavity during the fixing process, so that the labor burden of the workers is reduced.
Description
Technical Field
The utility model relates to the technical field of tool clamps, in particular to a friction stir welding clamp.
Background
Friction stir welding is a solid phase welding technology, and is widely applied to the fields of aerospace, automobile manufacturing and the like, wherein a stirring head is used for stirring a workpiece vigorously in the friction stir welding process, the workpiece is required to be rigidly fixed, and the supporting and clamping mechanism is required to have higher rigidity.
Patent number: CN202221662508.4, which provides a flexible welding test fixture for friction stir welding, can be used for realizing the welding of friction stir welding on different joint forms, and can be used for realizing the welding of the friction stir welding on a T-shaped joint by replacing a compacting plate on a substrate. The replacement process between the compression plate and the T-shaped joint compression plate is simple and convenient, and the compression plate can be assembled and disassembled through the bolts. The design realizes the butt joint of the plates, the lap joint and the friction stir welding of the T-shaped joint, meets the requirements of the welding plate on the size and the variety of the joint forms in the welding test process, and simultaneously also obtains the switching requirements of low cost, high reliability and convenience.
However, in the implementation process of the scheme, when the aluminum alloy cavities and the aluminum alloy bottom plates with different specifications are required to be welded, a large number of bolts are required to be detached by a worker to fix the aluminum alloy cavities and the aluminum alloy bottom plates with different specifications, the operation process is excessively complicated, the operation difficulty of the worker is increased, and meanwhile, the labor burden of the worker is increased, so that the friction stir welding clamp is provided to solve the problems.
Disclosure of Invention
The utility model aims to at least solve one of the technical problems in the prior art, and provides a friction stir welding clamp which can solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a friction stir welding anchor clamps, includes the workstation, the bottom fixedly connected with fixed plate of workstation, the surface rotation of fixed plate is connected with two-way threaded rod, and two-way threaded rod runs through to the inside of fixed plate, the spacing groove has been seted up on the surface of workstation, and the spacing groove is provided with two, the both sides of workstation all are run through to the inside of fixed plate to two spacing grooves, sliding connection has the sliding block respectively to the inner wall of two spacing grooves, the surface sliding connection of workstation has the clamp splice, the clamp splice is provided with two, two clamp splice respectively with the one end fixed connection of two sliding blocks, the inside of two sliding blocks all with two-way threaded rod's surface threaded connection, and two sliding block internal screw thread respectively with the screw thread phase-match at two-way threaded rod both ends, the surface of workstation is provided with aluminum alloy cavity and aluminum alloy bottom plate.
Preferably, the two limit grooves are all arranged in a T shape.
Preferably, the surfaces and the internal structures of the two clamping blocks are identical.
Preferably, the surface sliding connection of clamp splice has the mount, and the inside fixedly connected with spring of clamp splice, the one end and the mount fixed connection that the clamp splice was kept away from to the spring.
Preferably, the fixed frame is fixedly connected with a fixed rod on the surface, the fixed rod is fixedly connected with a connecting rod on the surface, and one end of the connecting rod, which is far away from the fixed rod, is fixedly connected with a limiting block.
Preferably, one side of the limiting block, which is close to the aluminum alloy cavity, is provided with an inclined surface.
Preferably, the surface of the workbench is provided with grooves, and rotating rods which are equidistantly arranged are rotationally connected in the grooves.
Preferably, the inside sliding connection of dead lever has the movable rod, and the one end fixedly connected with fixed block that the movable rod is located the dead lever outside, and the locating hole that is the equidistance and arrange is seted up on the surface of movable rod, and dead lever surface sliding connection has the restriction pole, and the restriction pole runs through the both sides of dead lever and movable rod, restriction pole and locating hole assorted.
Compared with the prior art, the utility model has the beneficial effects that:
(1) When the clamping block moves to clamp and fix the aluminum alloy cavity, the aluminum alloy cavity moves towards the center of the workbench under the action of spring force, so that the aluminum alloy cavity is always at the center point of the clamping, the situation that the aluminum alloy cavity moves in a staggered manner during use is avoided, meanwhile, the device can be adaptively adjusted according to different specifications of the aluminum alloy cavity, the using effect of the device is improved, and the fixing process does not need a worker to detach bolts to fix the aluminum alloy cavity, so that the labor burden of the worker is reduced.
(2) After the aluminum alloy cavity is fixed, a worker needs to place the welded aluminum alloy bottom plate at the upper end of the aluminum alloy cavity, then the worker pulls out the limiting rod from the fixed block, the exposed length of the movable rod is adjusted, the height of the fixed block is changed along with the height of the fixed block to fix the aluminum alloy bottom plate, the aluminum alloy bottom plate cannot move in the welding process when the stirring head is contacted with the aluminum alloy cavity and the aluminum alloy bottom plate for friction stir welding, and the situation that the aluminum alloy cavity and the aluminum alloy bottom plate are incompletely contacted and are not firmly welded due to movement of the aluminum alloy bottom plate in the welding process is avoided.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of the structure of a friction stir welding jig of the present utility model;
FIG. 2 is a schematic view of the enlarged structure of FIG. 1A according to the present utility model;
FIG. 3 is a schematic view showing the internal structure of the fixing plate of the present utility model;
FIG. 4 is a schematic view of the internal structure of the clamping block of the present utility model;
fig. 5 is a schematic view of the internal structure of the fixing rod according to the present utility model.
Reference numerals: 1. a work table; 2. a fixing plate; 3. a two-way threaded rod; 4. clamping blocks; 5. a limit groove; 6. an aluminum alloy cavity; 7. an aluminum alloy bottom plate; 8. a fixing frame; 9. a restraining bar; 10. a fixed rod; 11. a movable rod; 12. a groove; 13. a rotating lever; 14. a fixed block; 15. a connecting rod; 16. defining a block; 17. a sliding block; 18. a spring; 19. and positioning holes.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-5, the present utility model provides the following technical solutions: the friction stir welding fixture comprises a workbench 1, a fixing plate 2 is fixedly connected to the bottom of the workbench 1, a bidirectional threaded rod 3 is rotationally connected to the surface of the fixing plate 2, the bidirectional threaded rod 3 penetrates into the fixing plate 2, limiting grooves 5 are formed in the surface of the workbench 1, the limiting grooves 5 are two, the two limiting grooves 5 penetrate through the two sides of the workbench 1 to the inside of the fixing plate 2, the two limiting grooves 5 are all arranged in a T shape, sliding blocks 17 are respectively and slidably connected to the inner walls of the two limiting grooves 5, clamping blocks 4 are arranged on the surface of the workbench 1, two clamping blocks 4 are respectively and fixedly connected with one ends of the two sliding blocks 17, the inside of the two sliding blocks 17 are in threaded connection with the surface of the bidirectional threaded rod 3, internal threads of the two sliding blocks 17 are respectively matched with threads of the two ends of the bidirectional threaded rod 3, the surfaces and the internal structures of the two clamping blocks 4 are identical, and the surface of the workbench 1 is provided with an aluminum alloy cavity 6 and an aluminum alloy bottom plate 7.
Due to the limitation of the limiting groove 5, when the bidirectional threaded rod 3 rotates, the sliding blocks 17 do not rotate along with the bidirectional threaded rod 3, but slide in the limiting groove 5, so that the two sliding blocks 17 move oppositely or backwards through rotating the bidirectional threaded rod 3, and the two sliding blocks 17 drive the two clamping blocks 4 to move oppositely or backwards.
When the bidirectional threaded rod 3 rotates, the two sliding blocks 17 move relatively, the two clamping blocks 4 are driven to move relatively, the two clamping blocks 4 move relatively to clamp the aluminum alloy cavity 6 to be welded, the aluminum alloy cavity 6 is fixed by rotating the bidirectional threaded rod 3, the number of turns of the bidirectional threaded rod 3 is adjusted according to the specification of a welding plate, the aluminum alloy cavity 6 with different specifications can be fixed by the device, the use limitation of the device is reduced during use, the application range of the device is improved, and the use effect of the device is improved.
The surface sliding connection of clamp splice 4 has mount 8, the inside fixedly connected with spring 18 of clamp splice 4, the one end and the mount 8 fixed connection of clamp splice 4 are kept away from to spring 18, the fixed surface of mount 8 is fixedly connected with dead lever 10, the fixed surface fixedly connected with connecting rod 15 of dead lever 10, the one end fixedly connected with limiting block 16 of dead lever 10 is kept away from to connecting rod 15, limiting block 16 is close to one side of aluminum alloy cavity 6 and sets up to the inclined plane, recess 12 has been seted up on the surface of workstation 1, the inside rotation of recess 12 is connected with dwang 13 that is the equidistance and arranges.
When the clamp splice 4 moves to carry out centre gripping fixed to aluminum alloy cavity 6, clamp splice 4 drives mount 8 and moves along with it, make aluminum alloy cavity 6's surface extrude limit piece 16, and then limit piece 16 promotes connecting rod 15, connecting rod 15 promotes dead lever 10, dead lever 10 promotes mount 8, and then make mount 8 shift out from the inside of clamp splice 4, mount 8 stretches spring 18, under spring 18 elasticity effect, aluminum alloy cavity 6 moves to workstation 1's center along with it, make aluminum alloy cavity 6 be in the central point of centre gripping all the time, aluminum alloy cavity 6 dislocation removal's condition has been avoided when using, the device can carry out self-adaptation according to aluminum alloy cavity 6's specification difference simultaneously, the result of use of the device has been increased, and this fixed process does not need the staff to dismantle the bolt to fix aluminum alloy cavity 6, staff's work burden has been alleviateed.
Through the setting of dwang 13, aluminum alloy cavity 6 is placed on the surface of dwang 13, and when aluminum alloy cavity 6 moved to centre gripping central point, dwang 13 rotated along with the removal of aluminum alloy cavity 6, and then reduced the power that needs when aluminum alloy cavity 6 removed, the staff of being convenient for removed fixedly to aluminum alloy cavity 6.
The inside sliding connection of dead lever 10 has movable rod 11, and the one end fixedly connected with fixed block 14 that movable rod 11 is located the outside of dead lever 10, and locating hole 19 that is the equidistance and arrange is seted up on the surface of movable rod 11, and dead lever 10 surface sliding connection has restriction pole 9, and restriction pole 9 runs through the both sides of dead lever 10 and movable rod 11, restriction pole 9 and locating hole 19 assorted.
When fixing aluminum alloy cavity 6, the staff need place welded aluminum alloy bottom plate 7 in the upper end of aluminum alloy cavity 6, and then the staff pulls out restraining bar 9 from fixed block 14, adjusts the length that movable rod 11 exposes for fixed block 14's high change is fixed aluminum alloy bottom plate 7 thereupon, makes when stirring head and aluminum alloy cavity 6 and aluminum alloy bottom plate 7 contact and carries out friction stir welding, aluminum alloy bottom plate 7 can not remove at welded in-process, the circumstances that the moving causes aluminum alloy cavity 6 and aluminum alloy bottom plate 7 to contact incompletely in the welding process, the welding is insecure has been avoided to aluminum alloy bottom plate 7 to appear moving.
During friction stir welding, the stirring head moves downwards to be in contact with the uncovered aluminum alloy cavity 6 and the aluminum alloy bottom plate 7 for friction stir welding, after welding is finished, the stirring head is taken down for direction adjustment, and the position just covered is welded, so that the aluminum alloy cavity 6 and the aluminum alloy bottom plate 7 are connected together.
Working principle: when the clamping block 4 moves to clamp and fix the aluminum alloy cavity 6, the clamping block 4 drives the fixing frame 8 to move along with the clamping block, so that the surface of the aluminum alloy cavity 6 extrudes the limiting block 16, the limiting block 16 pushes the connecting rod 15, the connecting rod 15 pushes the fixing rod 10, the fixing rod 10 pushes the fixing frame 8, the fixing frame 8 moves out of the clamping block 4, the fixing frame 8 stretches the spring 18, and the aluminum alloy cavity 6 moves towards the center of the workbench 1 along with the clamping frame under the elastic force of the spring 18, so that the aluminum alloy cavity 6 is always at the center point of clamping.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (8)
1. Friction stir welding anchor clamps, including workstation (1), its characterized in that: the bottom fixedly connected with fixed plate (2) of workstation (1), the surface rotation of fixed plate (2) is connected with two-way threaded rod (3), and two-way threaded rod (3) run through to the inside of fixed plate (2), spacing groove (5) have been seted up on the surface of workstation (1), and spacing groove (5) are provided with two, the both sides of workstation (1) all run through the inside of fixed plate (2) in two spacing grooves (5), the inner wall of two spacing grooves (5) is sliding connection respectively has slider (17), the surface sliding connection of workstation (1) has clamp splice (4), clamp splice (4) are provided with two, two clamp splice (4) respectively with the one end fixed connection of two slider (17), the inside of two slider (17) all with the surface threaded connection of two-way threaded rod (3), and the internal thread phase-match at two slider (17) both ends respectively, the surface of workstation (1) is provided with aluminum alloy cavity (6) and bottom plate (7).
2. The friction stir welding jig according to claim 1, wherein: the two limit grooves (5) are arranged in a T shape.
3. The friction stir welding jig according to claim 1, wherein: the surfaces and the internal structures of the two clamping blocks (4) are identical.
4. A friction stir welding jig according to claim 3 wherein: the surface sliding connection of clamp splice (4) has mount (8), and the inside fixedly connected with spring (18) of clamp splice (4), the one end and the mount (8) fixed connection of clamp splice (4) are kept away from to spring (18).
5. The friction stir welding jig according to claim 4, wherein: the surface fixedly connected with dead lever (10) of mount (8), the surface fixedly connected with connecting rod (15) of dead lever (10), the one end fixedly connected with limiting block (16) that dead lever (10) were kept away from to connecting rod (15).
6. The friction stir welding jig according to claim 5, wherein: one side of the limiting block (16) close to the aluminum alloy cavity (6) is provided with an inclined plane.
7. The friction stir welding jig according to claim 1, wherein: the surface of the workbench (1) is provided with grooves (12), and rotating rods (13) which are equidistantly arranged are rotationally connected in the grooves (12).
8. The friction stir welding jig according to claim 5, wherein: the inside sliding connection of dead lever (10) has movable rod (11), and one end fixedly connected with fixed block (14) that movable rod (11) are located the dead lever (10) outside, and locating hole (19) that are the equidistance and arrange are seted up on the surface of movable rod (11), and dead lever (10) surface sliding connection has restriction pole (9), and restriction pole (9) run through both sides of dead lever (10) and movable rod (11), restriction pole (9) and locating hole (19) assorted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322447303.5U CN220698523U (en) | 2023-09-11 | 2023-09-11 | Friction stir welding clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322447303.5U CN220698523U (en) | 2023-09-11 | 2023-09-11 | Friction stir welding clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220698523U true CN220698523U (en) | 2024-04-02 |
Family
ID=90445626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322447303.5U Active CN220698523U (en) | 2023-09-11 | 2023-09-11 | Friction stir welding clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220698523U (en) |
-
2023
- 2023-09-11 CN CN202322447303.5U patent/CN220698523U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |