CN220259846U - Friction stir welding fixture with good heat insulation property - Google Patents

Abstract

The utility model relates to the technical field of friction stir welding and discloses a friction stir welding fixture with good heat insulation, which comprises a working box, wherein a driving machine is arranged in an inner cavity of the working box, a welding tool is arranged at the bottom of the driving machine, a workbench is arranged on the upper surface of a bottom plate of the working box, supporting frames are arranged at the front part and the rear part of the upper surface of the bottom plate of the working box, threaded rods are screwed on the upper surface of the supporting frames, clamping plates are arranged at the bottom ends of the threaded rods through bearings, and heat insulation columns are uniformly arranged at the bottoms of the clamping plates. The heat insulation column can carry out thermal insulation treatment with the heat of work piece for the difficult surface that transmits splint of the heat that the work piece was processed can guarantee the hardness of splint, and the cooperation threaded rod is constantly extrudeed splint, makes splint can extrude the heat insulation column, and the heat insulation column can extrude the limiting plate, makes the limiting plate clamp the processing to the work piece steadily.

Description

Friction stir welding fixture with good heat insulation property

Technical Field

The utility model relates to the technical field of friction stir welding, in particular to a friction stir welding fixture with good heat insulation property.

Background

Friction stir welding is to utilize the heat generated by friction between a welding tool rotating at a high speed and a workpiece to locally melt a welded material, when the welding tool moves forwards along a welding interface, the plasticized material flows from the front part to the rear part of the welding tool under the action of the rotating friction force of the welding tool, and a compact solid-phase welding seam is formed under the extrusion of the welding tool;

the common friction stir welding generally drives a welding tool to rotate through a motor, the welding tool can melt a workpiece to perform welding seam treatment on the workpiece, but because the friction stir welding generally performs processing treatment on a metal object, the workpiece is clamped through a clamp, the clamp is also generally made of metal, the metal object has good heat conduction performance, the temperature of the surface of the clamp is increased along with the long-time positioning of the workpiece, the hardness of the clamp is reduced along with the increase of the temperature of the clamp, and the clamp is difficult to clamp the workpiece.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a friction stir welding fixture with good heat insulation property, which solves the problems in the prior art.

(2) Technical proposal

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 that thermal-insulated nature is good, includes the work box, the inner chamber of work box is equipped with the driving machine, the welding set is installed to the bottom of driving machine, surface mounting has the workstation on the bottom plate of work box, the support frame is all installed to bottom plate upper surface front portion and the rear portion of work box, the upper surface of support frame has all connect the threaded rod soon, splint are all installed through the bearing to the bottom of threaded rod, the heat insulating column is evenly installed to the bottom of splint, the limiting plate is all installed to the bottom of heat insulating column.

Preferably, the mounting plate is all installed to the roof both sides of work box, the surface mounting of mounting plate has first step motor, first lead screw is installed to first step motor's rotor coaxial arrangement, the surface of first lead screw has connect soon first drive piece, starts first step motor and can drive first lead screw rotation, and first lead screw rotation can drive first drive piece and remove.

Preferably, the upper surface of the first driving block is provided with a sliding block, a sliding groove is formed in a position, corresponding to the sliding block, of the working box, the sliding block is embedded into an inner cavity of the sliding groove, and the sliding block is matched with the sliding groove to limit the first driving block, so that the first driving block can move linearly.

Preferably, the mounting bracket is installed to the bottom of first drive piece, the second step motor is installed to the inner wall of mounting bracket, the rotor coaxial arrangement of second step motor has the second lead screw, the surface of second lead screw has connect the second drive piece soon, the second drive piece links to each other with the surface of driver, starts the second step motor and can drive the second lead screw and rotate, and the second lead screw rotates and can drive the second drive piece and remove, and the second drive piece can drive the driver and remove to make the welding set can carry out processing to the work piece.

Preferably, the surface mounting of second drive piece has the stopper, the mounting bracket has seted up the spacing groove with the stopper position that corresponds, the stopper embedding is in the inner chamber of spacing groove, and the stopper cooperatees with the spacing groove and can carry out spacingly to the second drive piece for the second drive piece can linear motion.

Preferably, the movable blocks are arranged on two sides of the clamping plate, the movable grooves are formed in two side inner walls of the supporting frame, the movable blocks are embedded into inner cavities of the movable grooves, and the movable blocks and the movable grooves can limit the clamping plate so that the clamping plate can move vertically.

(3) Advantageous effects

Compared with the prior art, the friction stir welding fixture provided by the utility model has the beneficial effects that:

this friction stir welding anchor clamps that thermal-insulated nature is good, rotatory threaded rod can drive splint go up and down, and splint can drive thermal-insulated post and remove, and the limiting plate also can remove consequently and carry out spacing processing to the work piece on workstation surface, and thermal-insulated post can carry out thermal-insulated processing with the heat of work piece for the heat that the work piece was processed is difficult for transmitting to the surface of splint, can guarantee the hardness of splint, and the cooperation threaded rod is constantly extrudeed splint, makes splint can extrude thermal-insulated post, and the thermal-insulated post can extrude the limiting plate, makes the limiting plate clamp the processing to the work piece steadily.

Drawings

FIG. 1 is a schematic diagram of the structure 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 mounting structure of the clamping plate of the present utility model;

fig. 4 is a schematic cross-sectional view of the mounting bracket of the present utility model.

In the figure: 1. a working box; 101. a driving machine; 102. a welding tool; 2. a work table; 3. a support frame; 4. a threaded rod; 5. a clamping plate; 6. a heat insulating column; 7. a limiting plate; 8. a mounting plate; 9. a first stepping motor; 10. a first screw rod; 11. a first driving block; 12. a slide block; 13. a chute; 14. a mounting frame; 15. a second stepping motor; 16. a second screw rod; 17. a second driving block; 18. a limiting block; 19. a limit groove; 20. a moving block; 21. and a moving groove.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a technical scheme, a friction stir welding fixture with good heat insulation performance, which comprises a working box 1, a driving machine 101, a welding tool 102, a working table 2, a supporting frame 3, a threaded rod 4, a clamping plate 5, a heat insulation column 6, a limiting plate 7, a mounting plate 8, a first stepping motor 9, a first lead screw 10, a first driving block 11, a sliding block 12, a sliding chute 13, a mounting frame 14, a second stepping motor 15, a second lead screw 16, a second driving block 17, a limiting block 18, a limiting groove 19, a moving block 20 and a moving groove 21, wherein the inner cavity of the working box 1 is provided with the driving machine 101, the bottom of the driving machine 101 is provided with the welding tool 102, the upper surface of a bottom plate of the working box 1 is provided with the working table 2, the front part and the rear part of the upper surface of the bottom plate of the working box 1 are respectively provided with the supporting frame 3, the upper surface of the supporting frame 3 is respectively and rotatably connected with the threaded rod 4, the bottom of the threaded rod 4 is respectively provided with the clamping plate 5 through bearings, the bottom of the clamping plate 5 is respectively provided with the heat insulation column 6, the bottom of the heat insulation column 6 is respectively provided with the second driving block 17, the limiting plate 18, the limiting plate 20 and the moving block 21 are respectively, the inner cavity of the working box 1 is provided with the driving machine 101, the driving machine 101 is respectively, the bottom the clamping plate 5 is capable of carrying out the heat insulation column 5 is capable of carrying out extrusion treatment on the heat insulation column 5, and the heat insulation column 5 can be stably can be carried out the heat insulation column 5 and the surface 5 and can not and can be matched with the clamping 5;

referring to fig. 2, mounting plates 8 are mounted on two sides of a top plate of the working box 1, a first stepping motor 9 is mounted on the surface of the mounting plate 8, a first screw rod 10 is coaxially mounted on a rotor of the first stepping motor 9, a first driving block 11 is screwed on the surface of the first screw rod 10, the first stepping motor 9 is started to drive the first screw rod 10 to rotate, and the first screw rod 10 can drive the first driving block 11 to move after rotating;

the upper surface of the first driving block 11 is provided with a sliding block 12, a sliding groove 13 is formed in a position, corresponding to the sliding block 12, of the working box 1, the sliding block 12 is embedded into an inner cavity of the sliding groove 13, and the sliding block 12 and the sliding groove 13 are matched to limit the first driving block 11, so that the first driving block 11 can move linearly;

referring to fig. 4, a mounting frame 14 is mounted at the bottom of the first driving block 11, a second stepping motor 15 is mounted on the inner wall of the mounting frame 14, a second screw rod 16 is coaxially mounted on a rotor of the second stepping motor 15, a second driving block 17 is screwed on the surface of the second screw rod 16, the second driving block 17 is connected with the surface of the driving machine 101, the second screw rod 16 can be driven to rotate by starting the second stepping motor 15, the second driving block 17 can be driven to move by rotating the second screw rod 16, and the driving machine 101 can be driven to move by the second driving block 17, so that the welding tool 102 can process workpieces;

a limiting block 18 is arranged on the surface of the second driving block 17, a limiting groove 19 is formed in a position, corresponding to the limiting block 18, of the mounting frame 14, the limiting block 18 is embedded into an inner cavity of the limiting groove 19, and the limiting block 18 is matched with the limiting groove 19 to limit the second driving block 17, so that the second driving block 17 can move linearly;

referring to fig. 3, moving blocks 20 are mounted on two sides of the clamping plate 5, moving grooves 21 are formed in inner walls of two sides of the supporting frame 3, the moving blocks 20 are embedded into inner cavities of the moving grooves 21, and the moving blocks 20 and the moving grooves 21 can limit the clamping plate 5, so that the clamping plate 5 can vertically move.

The working principle of the device is as follows: firstly, the threaded rod 4 can drive the clamping plate 5 to lift, the clamping plate 5 can drive the heat insulation column 6 to move, the limiting plate 7 can also move along with the clamping plate to limit the workpiece on the surface of the workbench 2, the heat insulation column 6 can carry out heat insulation treatment on the heat of the workpiece, the heat processed by the workpiece is not easy to transfer to the surface of the clamping plate 5, the hardness of the clamping plate 5 can be ensured, the clamping plate 5 is continuously extruded by matching with the threaded rod 4, the clamping plate 5 can extrude the heat insulation column 6, the heat insulation column 6 can extrude the limiting plate 7, the limiting plate 7 can stably clamp the workpiece, then the first stepping motor 9 is started to drive the first screw rod 10 to rotate, the first screw rod 10 can drive the first driving block 11 to move, the first driving block 11 can drive the mounting frame 14 to move, finally the second stepping motor 15 can drive the second screw rod 16 to rotate, the second driving block 17 can drive the machine 101 to move, and therefore the welding tool 102 can process the workpiece.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a friction stir welding anchor clamps that thermal-insulated nature is good, includes work box (1), its characterized in that: the inner chamber of work box (1) is equipped with driving machine (101), welding set (102) are installed to the bottom of driving machine (101), surface mounting has workstation (2) on the bottom plate of work box (1), support frame (3) are all installed to bottom plate upper surface front portion and the rear portion of work box (1), threaded rod (4) have all been connect soon to the upper surface of support frame (3), splint (5) are all installed through the bearing to the bottom of threaded rod (4), heat insulating column (6) are evenly installed to the bottom of splint (5), limiting plate (7) are all installed to the bottom of heat insulating column (6).

2. The friction stir welding jig with good heat insulation according to claim 1, wherein: the novel automatic feeding device is characterized in that mounting plates (8) are mounted on two sides of a top plate of the working box (1), a first stepping motor (9) is mounted on the surface of each mounting plate (8), a first screw rod (10) is coaxially mounted on a rotor of each first stepping motor (9), and a first driving block (11) is rotatably connected to the surface of each first screw rod (10).

3. The friction stir welding jig with good heat insulation according to claim 2, wherein: the upper surface of the first driving block (11) is provided with a sliding block (12), a sliding groove (13) is formed in a position, corresponding to the sliding block (12), of the working box (1), and the sliding block (12) is embedded into an inner cavity of the sliding groove (13).

4. The friction stir welding jig with good heat insulation according to claim 2, wherein: the bottom of first drive piece (11) is installed mounting bracket (14), second step motor (15) are installed to the inner wall of mounting bracket (14), second lead screw (16) are installed to the rotor coaxial of second step motor (15), second drive piece (17) have been connect soon on the surface of second lead screw (16), second drive piece (17) link to each other with the surface of driver (101).

5. The friction stir welding jig with good heat insulation according to claim 4, wherein: the surface mounting of second drive piece (17) has stopper (18), spacing groove (19) have been seted up in mounting bracket (14) and stopper (18) corresponding position, stopper (18) are embedded in the inner chamber of spacing groove (19).

6. The friction stir welding jig with good heat insulation according to claim 1, wherein: the movable blocks (20) are arranged on two sides of the clamping plate (5), the movable grooves (21) are formed in inner walls of two sides of the supporting frame (3), and the movable blocks (20) are embedded into inner cavities of the movable grooves (21).