Quick-change connecting device for knife handle of friction stir welding equipment
By designing a quick-replacement connection device for friction stir welding equipment including tool holder, dynamic shaft shoulder connection assembly and static shaft shoulder connection assembly, the problem of low efficiency of tool holder replacement in the prior art is solved, rapid and safe replacement is achieved, and production efficiency and safety are improved.
Patent Information
- Application Number
- CN202411949983.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-03-21
AI Technical Summary
The stirring needle handle of existing friction stir welding equipment needs to be replaced as a whole when replacing the dynamic/static shoulder, resulting in high replacement cost, long time and low efficiency, and easy to cause bumps and work-related injuries during the replacement process.
A quick-replacement connection device for friction stir welding equipment is designed, including a tool holder, a dynamic shoulder connection assembly and a static shoulder connection assembly, which can achieve rapid replacement through the assembly locking top wire and compressed air vias.
It effectively solves the problem of quick replacement process between friction stir welding dynamic/static shaft shoulder welding modes, saves replacement costs, improves personnel safety and health, improves productivity, and improves the working environment.
Smart Images

Figure CN119658105A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of friction stir welding, and in particular to a quick-change connection device for a tool handle of a friction stir welding device. Background Art
[0002] At present, the stirring needle handle of the stir friction welding equipment on the market can only replace the dynamic / static shoulder as a whole, the replacement cost is high, the replacement time is long, the efficiency is low, and it is easy to cause bumps and injuries during the replacement process. Through technical improvements, only the front-end stirring locking part is replaced, and the cost is reduced and the benefit is increased by continuously improving the technology. Therefore, a modular design of the stirring needle handle of the stir friction welding equipment to replace the dynamic / static shoulder assembly needs to be studied urgently. Summary of the invention
[0003] In order to solve the above problems, the present invention provides a quick-change connection device for a tool handle of a friction stir welding device.
[0004] In order to solve the above technical problems, the technical solution of the present invention is: a quick-change connection device for a tool handle of a friction stir welding device, comprising a tool handle, a dynamic shoulder connection component, and a static shoulder connection component;
[0005] The knife handle comprises a knife handle mounting flange, and the outer circumference of the knife handle mounting flange is symmetrically provided with two component locking screw holes along the radial direction, and the lower part of the knife handle body is provided with a component mounting hole along the axial direction, and the component mounting hole is respectively connected with the component locking screw hole and the compressed air through hole at the upper part;
[0006] The movable shoulder connection assembly includes a movable shoulder positioning body, a movable shoulder circular mounting body, and a movable shoulder locking body which are connected in sequence, and a movable shoulder assembly compressed air through hole and a movable shoulder stirring needle mounting hole are axially opened in the movable shoulder positioning body, a movable shoulder locking pin positioning hole is radially opened on the outer circumference of the movable shoulder positioning body, and a movable shoulder stirring needle locking top screw hole is radially opened on the outer circumference of the movable shoulder locking body;
[0007] The static shoulder connection assembly includes a static shoulder positioning body, a static shoulder circular mounting body, and a static shoulder locking body which are connected in sequence. A static shoulder assembly compressed air through hole and a static shoulder stirring needle mounting hole are axially opened in the body. A static shoulder locking pin positioning hole is radially opened on the outer circumference of the static shoulder positioning body. A static shoulder stirring needle locking top screw hole is radially opened on the outer circumference of the static shoulder locking body.
[0008] Furthermore, the compressed air through hole is opened along the axial direction of the handle body.
[0009] Furthermore, flange bolt mounting holes are arranged around the handle mounting flange.
[0010] Furthermore, a conical assembly surface is provided outside the handle body.
[0011] Furthermore, a locking latch is provided on the top of the handle body.
[0012] Furthermore, two tool handle limiting grooves are symmetrically arranged on the outer circumference of the tool handle mounting flange in the radial direction.
[0013] Furthermore, the positioning hole of the dynamic shoulder locking pin is connected to the compressed air through hole of the dynamic shoulder assembly, and the locking top screw hole of the dynamic shoulder stirring needle is connected to the installation hole of the dynamic shoulder stirring needle.
[0014] Furthermore, the static shaft shoulder locking pin positioning hole is connected to the static shaft shoulder assembly compressed air through hole, and the static shaft shoulder stirring needle locking top screw hole is connected to the static shaft shoulder stirring needle installation hole.
[0015] Furthermore, the static shoulder locking body is a conical structure.
[0016] The present invention can effectively solve the problem of quick-change process between dynamic / static shoulder welding modes of stir friction welding, save replacement costs, improve personnel safety and health, increase productivity, improve the working environment, and further help to improve the production competitiveness of the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is the front view of the handle;
[0018] Figure 2 It is a top view of the handle;
[0019] Figure 3 It is a schematic diagram of the structure of the moving shoulder connection assembly;
[0020] Figure 4 It is a schematic diagram of the structure of the static shoulder connection component.
[0021] Among them: 1. Tool handle body, 2. Tool handle mounting flange, 3. Flange bolt mounting hole, 4. Component mounting hole, 5. Component locking top screw hole, 6. Compressed air through hole, 7. Locking Latin, 8. Tool handle limiting groove, 9. Moving shoulder positioning body, 10. Moving shoulder locking pin positioning hole, 11. Moving shoulder circular mounting body, 12. Moving shoulder stirring needle mounting hole, 13. Moving shoulder locking body, 14. Moving shoulder stirring needle locking top screw hole, 15. Moving shoulder component compressed air through hole, 16. Static shoulder locking pin positioning hole, 17. Static shoulder positioning body, 18. Static shoulder circular mounting body, 19. Static shoulder stirring needle locking top screw hole, 20. Static shoulder stirring needle mounting hole, 21. Static shoulder locking body, 22. Static shoulder component compressed air through hole. DETAILED DESCRIPTION
[0022] The following is combined with Figure 1-4 The specific implementation modes of the present invention are further described.
[0023] A tool holder quick-change connection device for a friction stir welding device comprises a tool holder, a dynamic shaft shoulder connection component and a static shaft shoulder connection component.
[0024] The tool handle includes a tool handle mounting flange 2, and two component locking top screw holes 5 are symmetrically arranged along the radial direction on the outer circumference of the tool handle mounting flange 2. Two tool handle limiting grooves 8 are symmetrically arranged along the radial direction on the outer circumference of the tool handle mounting flange 2. Flange bolt mounting holes 3 are arranged around the tool handle mounting flange 2. A conical assembly surface is arranged on the outside of the tool handle body 1. A locking Latin 7 is arranged on the top of the tool handle body 1. A component mounting hole 4 is axially arranged on the lower part of the tool handle body 1. The component mounting hole 4 is respectively connected with the component locking top screw hole 5 and the upper compressed air through hole 6, and the compressed air through hole 6 is arranged along the axial direction of the tool handle body 1.
[0025] The movable shoulder connection assembly includes a movable shoulder positioning body 9, a movable shoulder circular mounting body 11, and a movable shoulder locking body 13, which are connected in sequence. A movable shoulder assembly compressed air through hole 15 and a movable shoulder stirring needle mounting hole 12 are axially opened in the inner part. A movable shoulder locking pin positioning hole 10 is radially opened on the outer circumference of the movable shoulder positioning body 9. A movable shoulder stirring needle locking top screw hole 14 is radially opened on the outer circumference of the movable shoulder locking body 13. The movable shoulder locking pin positioning hole 10 is connected to the movable shoulder assembly compressed air through hole 15, and the movable shoulder stirring needle locking top screw hole 14 is connected to the movable shoulder stirring needle mounting hole 12.
[0026] The static shoulder connection assembly includes a static shoulder positioning body 17, a static shoulder circular mounting body 18, and a static shoulder locking body 21, which are connected in sequence and have a static shoulder assembly compressed air through hole 22 and a static shoulder stirring needle mounting hole 20 axially opened therein. The outer circumference of the static shoulder positioning body 17 is provided with a static shoulder locking pin positioning hole 16 radially opened therein, and the outer circumference of the static shoulder locking body 21 is provided with a static shoulder stirring needle locking top screw hole 19 radially opened therein. The static shoulder locking pin positioning hole 16 is connected to the static shoulder assembly compressed air through hole 22, and the static shoulder stirring needle locking top screw hole 19 is connected to the static shoulder stirring needle mounting hole 20. The static shoulder locking body 21 is a conical structure.
[0027] Instructions:
[0028] 1. The employee selects the dynamic / static shoulder stirring needle welding welding mode according to the process, and takes out the quick-change dynamic / static shoulder connection assembly for replacement.
[0029] 2. After installation, use the component locking screw to lock.
[0030] 3. Install the stirring needle after installing and locking the connecting components.
[0031] The shape and size of the connection assembly of the present invention can be adjusted according to the size required by the customer's process, while the connection body remains unchanged.
[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A quick-change connection device for a toolholder of a friction stir welding equipment, characterized in that: It includes a tool holder, a moving shoulder connection component, and a static shoulder connection component; The knife handle comprises a knife handle mounting flange (2), the outer circumference of the knife handle mounting flange (2) is provided with two component locking screw holes (5) symmetrically along the radial direction, the lower part of the knife handle body (1) is provided with a component mounting hole (4) along the axial direction, and the component mounting hole (4) is respectively connected with the component locking screw hole (5) and the compressed air through hole (6) at the upper part; The movable shoulder connection assembly comprises a movable shoulder positioning body (9), a movable shoulder circular mounting body (11), and a movable shoulder locking body (13) which are connected in sequence, and an axially connected movable shoulder assembly compressed air through hole (15) and a movable shoulder stirring needle mounting hole (12) are provided in the inner part thereof; a movable shoulder locking pin positioning hole (10) is provided in the radial direction on the outer circumference of the movable shoulder positioning body (9); and a movable shoulder stirring needle locking top screw hole (14) is provided in the radial direction on the outer circumference of the movable shoulder locking body (13); The static shoulder connection assembly comprises a static shoulder positioning body (17), a static shoulder circular mounting body (18) connected in sequence, a static shoulder locking body (21) having an axially connected static shoulder assembly compressed air through hole (22), and a static shoulder stirring needle mounting hole (20), the static shoulder positioning body (17) having a static shoulder locking pin positioning hole (16) radially formed on its outer circumference, and the static shoulder locking body (21) having a static shoulder stirring needle locking top screw hole (19) radially formed on its outer circumference.
2. The quick-change connection device for tool holder of friction stir welding equipment according to claim 1, characterized in that: The compressed air through hole (6) is opened along the axial direction of the handle body (1).
3. The quick-change connection device for tool holder of friction stir welding equipment according to claim 1, characterized in that: The handle mounting flange (2) is surrounded by a flange bolt mounting hole (3).
4. The quick-change connection device for tool holder of friction stir welding equipment according to claim 1, characterized in that: The handle body (1) is provided with a conical assembly surface on the outside.
5. The quick-change connection device for tool holder of friction stir welding equipment according to claim 1, characterized in that: A locking latch (7) is provided on the top of the handle body (1).
6. The quick-change connection device for tool holder of friction stir welding equipment according to claim 1, characterized in that: The outer circumference of the tool handle mounting flange (2) is provided with two tool handle limiting grooves (8) symmetrically along the radial direction.
7. The quick-change connection device for tool holder of friction stir welding equipment according to claim 1, characterized in that: The movable shoulder locking pin positioning hole (10) is connected to the movable shoulder assembly compressed air through hole (15), and the movable shoulder stirring needle locking top screw hole (14) is connected to the movable shoulder stirring needle installation hole (12).
8. The quick-change connection device for tool holder of friction stir welding equipment according to claim 1, characterized in that: The static shoulder locking pin positioning hole (16) is connected to the static shoulder assembly compressed air through hole (22), and the static shoulder stirring needle locking top screw hole (19) is connected to the static shoulder stirring needle installation hole (20).
9. The quick-change connection device for tool holder of friction stir welding equipment according to claim 1, characterized in that: The static shoulder locking body (21) is a conical structure.