Quick-change connecting device for knife handle of friction stir welding equipment

By designing a quick-change connection device for the tool holder of the friction stir welding equipment, modular quick-change of the stirring needle tool holder is realized, which solves the problems of high replacement cost and long time in the existing technology, and improves production efficiency and safety.

CN223656232UActive Publication Date: 2025-12-12JILIN LIQUID RESEARCH EQUIPMENT MANUFACTURING CO LTD
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Patent Information

Application Number
CN202423247702.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-12-12
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

The replacement of the stirring needle handle in existing friction stir welding equipment is costly, time-consuming, and prone to causing workplace injuries due to impacts, making rapid replacement impossible.

Method used

A quick-change connection device for tool holder in friction stir welding equipment was designed, including tool holder, moving shoulder connection assembly and stationary shoulder connection assembly. The modular quick-change of moving and stationary shoulders is realized through the design of locking set screw hole and compressed air through hole of the assembly.

Benefits of technology

It enables rapid replacement of dynamic and static shaft shoulders in friction stir welding, reduces replacement costs, improves production efficiency and safety, and improves the working environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a knife handle quick-change connecting device of friction stir welding equipment. The knife handle quick-change connecting device comprises a knife handle, a movable shaft shoulder connecting assembly and a static shaft shoulder connecting assembly. The cutter handle comprises a cutter handle installation flange, two assembly locking jackscrew holes are symmetrically formed in the outer circumference of the cutter handle installation flange in the radial direction, assembly installation holes are formed in the lower portion of the cutter handle body in the axial direction, and the assembly installation holes are communicated with the assembly locking jackscrew holes and the compressed air passing hole in the upper portion. The device can effectively solve the technical problem of quick change between a friction stir welding movable shaft shoulder welding mode and a friction stir welding static shaft shoulder welding mode, the replacement cost is saved, the safety and health of personnel are improved, the productivity is improved, the working environment is improved, and the production competitiveness of enterprises is further improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of friction stir welding, especially to a quick-change connecting device for a tool holder of a friction stir welding equipment. BACKGROUND

[0002] Currently, the tool holder of the friction stir welding equipment can only be replaced as a whole, which is time-consuming and inefficient, and the replacement process is prone to cause injury. SUMMARY

[0003] The utility model discloses a quick-change connecting device for a tool holder of a friction stir welding equipment.

[0004] To solve the above technical problems, the utility model discloses a technical scheme as follows: a quick-change connecting device for a tool holder of a friction stir welding equipment, comprising a tool holder, a dynamic shaft shoulder connecting assembly and a static shaft shoulder connecting assembly.

[0005] The tool holder comprises a tool holder mounting flange, two assembly locking jackscrew holes are symmetrically formed in the outer circumference of the tool holder mounting flange along the radial direction, an assembly mounting hole is formed in the lower part of the tool holder body along the axial direction, and the assembly mounting hole is in communication with the assembly locking jackscrew hole and a compressed air through hole in the upper part.

[0006] The dynamic shaft shoulder connecting assembly comprises a dynamic shaft shoulder positioning body, a dynamic shaft shoulder circular mounting body and a dynamic shaft shoulder locking body connected in sequence, a dynamic shaft shoulder assembly compressed air through hole and a dynamic shaft stir pin mounting hole are formed in the dynamic shaft shoulder locking body along the axial direction, a dynamic shaft shoulder locking pin positioning hole is formed in the outer circumference of the dynamic shaft shoulder positioning body along the radial direction, and a dynamic shaft stir pin locking jackscrew hole is formed in the outer circumference of the dynamic shaft shoulder locking body along the radial direction.

[0007] The static shaft shoulder connecting assembly comprises a static shaft shoulder positioning body, a static shaft shoulder circular mounting body and a static shaft shoulder locking body connected in sequence, a static shaft shoulder assembly compressed air through hole and a static shaft stir pin mounting hole are formed in the static shaft shoulder locking body along the axial direction, a static shaft shoulder locking pin positioning hole is formed in the outer circumference of the static shaft shoulder positioning body along the radial direction, and a static shaft stir pin locking jackscrew hole is formed in the outer circumference of the static shaft shoulder locking body along the radial direction.

[0008] Further, the compressed air through hole is formed along the axial direction of the tool holder body.

[0009] Further, a flange bolt mounting hole is formed around the tool holder mounting flange.

[0010] Further, a conical assembly surface is arranged outside the tool holder body.

[0011] Further, the top of the tool holder main body is provided with a locking Latin.

[0012] Further, two tool holder limiting grooves are symmetrically formed in the outer circumference of the tool holder mounting flange along the radial direction.

[0013] Further, the dynamic shaft shoulder locking pin positioning hole is communicated with the dynamic shaft shoulder assembly compressed air through hole, and the dynamic shaft shoulder stirring needle locking top thread hole is communicated with the dynamic shaft shoulder stirring needle mounting hole.

[0014] Further, the static shaft shoulder locking pin positioning hole is communicated with the static shaft shoulder assembly compressed air through hole, and the static shaft shoulder stirring needle locking top thread hole is communicated with the static shaft shoulder stirring needle mounting hole.

[0015] Further, the static shaft shoulder locking body is a conical structure.

[0016] The utility model discloses effectively solve the quick change process problem between the dynamic / static shaft shoulder welding mode of friction stir welding, save the replacement cost, improve personnel safety health, improve productivity, improve the working environment, and further be favorable to the production competitiveness of enterprise. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the main view of tool holder;

[0018] Figure 2 It is the plan view of tool holder;

[0019] Figure 3 It is the structure schematic diagram of dynamic shaft shoulder connecting assembly;

[0020] Figure 4 It is the structure schematic diagram of static shaft shoulder connecting assembly.

[0021] Wherein: 1, tool holder main body, 2, tool holder mounting flange, 3, flange bolt mounting hole, 4, assembly mounting hole, 5, assembly locking top thread hole, 6, compressed air through hole, 7, locking Latin, 8, tool holder limiting groove, 9, dynamic shaft shoulder positioning body, 10, dynamic shaft shoulder locking pin positioning hole, 11, dynamic shaft shoulder circular mounting body, 12, dynamic shaft shoulder stirring needle mounting hole, 13, dynamic shaft shoulder locking body, 14, dynamic shaft shoulder stirring needle locking top thread hole, 15, dynamic shaft shoulder assembly compressed air through hole, 16, static shaft shoulder locking pin positioning hole, 17, static shaft shoulder positioning body, 18, static shaft shoulder circular mounting body, 19, static shaft shoulder stirring needle locking top thread hole, 20, static shaft shoulder stirring needle mounting hole, 21, static shaft shoulder locking body, 22, static shaft shoulder assembly compressed air through hole. DETAILED DESCRIPTION

[0022] The specific embodiment of the utility model is further explained below. Figures 1-4 The specific embodiment of the utility model is further explained below.

[0023] The quick-change connecting device of a tool holder of a friction stir welding equipment comprises a tool holder, a dynamic shaft shoulder connecting assembly and a static shaft shoulder connecting assembly.

[0024] The tool holder comprises a tool holder mounting flange 2, two assembly locking jackscrew holes 5 are symmetrically arranged on the outer periphery of the tool holder mounting flange 2 in the radial direction, two tool holder limiting grooves 8 are symmetrically arranged on the outer periphery of the tool holder mounting flange 2 in the radial direction, a flange bolt mounting hole 3 is arranged around the tool holder mounting flange 2, a conical assembly face is arranged on the tool holder body 1, a locking Latin 7 is arranged on the top of the tool holder body 1, an assembly mounting hole 4 is arranged on the lower part of the tool holder body 1 in the axial direction, the assembly mounting hole 4 is in communication with the assembly locking jackscrew hole 5 and the upper compressed air through hole 6 respectively, and the compressed air through hole 6 is arranged in the axial direction of the tool holder body 1.

[0025] The dynamic shaft shoulder connecting assembly comprises a dynamic shaft shoulder positioning body 9, a dynamic shaft shoulder circular mounting body 11 and a dynamic shaft shoulder locking body 13 which are sequentially connected, and the dynamic shaft shoulder connecting assembly compressed air through hole 15 and the dynamic shaft shoulder stirring needle mounting hole 12 are symmetrically arranged on the inner wall of the dynamic shaft shoulder connecting assembly in the axial direction, the outer periphery of the dynamic shaft shoulder positioning body 9 is symmetrically provided with a dynamic shaft shoulder locking pin positioning hole 10 in the radial direction, and the outer periphery of the dynamic shaft shoulder locking body 13 is symmetrically provided with a dynamic shaft shoulder stirring needle locking jackscrew hole 14 in the radial direction. The dynamic shaft shoulder locking pin positioning hole 10 is in communication with the dynamic shaft shoulder connecting assembly compressed air through hole 15, and the dynamic shaft shoulder stirring needle locking jackscrew hole 14 is in communication with the dynamic shaft shoulder stirring needle mounting hole 12.

[0026] The static shaft shoulder connecting assembly comprises a static shaft shoulder positioning body 17, a static shaft shoulder circular mounting body 18 and a static shaft shoulder locking body 21 which are sequentially connected, and the static shaft shoulder connecting assembly compressed air through hole 22 and the static shaft shoulder stirring needle mounting hole 20 are symmetrically arranged on the inner wall of the static shaft shoulder connecting assembly in the axial direction, the outer periphery of the static shaft shoulder positioning body 17 is symmetrically provided with a static shaft shoulder locking pin positioning hole 16 in the radial direction, and the outer periphery of the static shaft shoulder locking body 21 is symmetrically provided with a static shaft shoulder stirring needle locking jackscrew hole 19 in the radial direction. The static shaft shoulder locking pin positioning hole 16 is in communication with the static shaft shoulder connecting assembly compressed air through hole 22, and the static shaft shoulder stirring needle locking jackscrew hole 19 is in communication with the static shaft shoulder stirring needle mounting hole 20. The static shaft shoulder locking body 21 is a conical structure.

[0027] Operation instruction:

[0028] 1. The employee selects the welding mode of dynamic / static shaft shoulder stirring needle welding according to the process, and takes out the quick-change dynamic / static shaft shoulder connecting assembly for replacement.

[0029] 2. After installation, the assembly locking jackscrew is used for locking.

[0030] 3. After the connecting assembly is well locked, the stirring needle is installed.

[0031] The shape and size of the utility model can be adjusted according to the size required by the customer process to adjust the connecting assembly, and the connecting body is unchanged.

[0032] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A quick-change connection device for tool holder in friction stir welding equipment, characterized in that, Includes tool holder, moving shoulder connection assembly, and stationary shoulder connection assembly; The tool holder includes a tool holder mounting flange (2), and two component locking screw holes (5) are symmetrically opened on the outer circumference of the tool holder mounting flange (2) along the radial direction. The lower part of the tool holder body (1) is provided with a component mounting hole (4) along the axial direction. The component mounting hole (4) is connected to the component locking screw hole (5) and the compressed air through hole (6) at the top, respectively. The moving shoulder connection assembly includes a moving shoulder positioning body (9), a moving shoulder circular mounting body (11), and a moving shoulder locking body (13) connected in sequence. The moving shoulder assembly compressed air passage (15) and the moving shoulder stirring needle mounting hole (12) are connected in the axial direction. The moving shoulder positioning body (9) has a moving shoulder locking pin positioning hole (10) in the radial direction on the outer circumference. The moving shoulder locking body (13) has a moving shoulder stirring needle locking set screw hole (14) in the radial direction on the outer circumference. The stationary shoulder connecting assembly includes a stationary shoulder positioning body (17), a stationary shoulder circular mounting body (18), and a stationary shoulder locking body (21) connected in sequence. The stationary shoulder assembly compressed air passage (22) and the stationary shoulder stirring pin mounting hole (20) are connected in the axial direction. The outer circumference of the stationary shoulder positioning body (17) is provided with a stationary shoulder locking pin positioning hole (16) in the radial direction. The outer circumference of the stationary shoulder locking body (21) is provided with a stationary shoulder stirring pin locking set screw hole (19) in the radial direction.

2. The quick-change connection device for the tool holder of the friction stir welding equipment according to claim 1, characterized in that, The compressed air passage (6) is opened along the axial direction of the tool holder body (1).

3. The quick-change connection device for the tool holder of the friction stir welding equipment according to claim 1, characterized in that, The tool holder mounting flange (2) has flange bolt mounting holes (3) circumferentially formed inside.

4. The quick-change connection device for the tool holder of the friction stir welding equipment according to claim 1, characterized in that, The tool holder body (1) is provided with a conical mounting surface.

5. The quick-change connection device for the tool holder of the friction stir welding equipment according to claim 1, characterized in that, The top of the handle body (1) is provided with a locking lacing (7).

6. The quick-change connection device for the tool holder of the friction stir welding equipment according to claim 1, characterized in that, The outer circumference of the tool holder mounting flange (2) has two tool holder limiting grooves (8) symmetrically arranged radially.

7. The quick-change connection device for the tool holder of the friction stir welding equipment according to claim 1, characterized in that, The positioning hole (10) of the moving shaft shoulder locking pin is connected to the compressed air passage (15) of the moving shaft shoulder assembly, and the locking screw hole (14) of the moving shaft shoulder stirring pin is connected to the mounting hole (12) of the moving shaft shoulder stirring pin.

8. The quick-change connection device for the tool holder of the friction stir welding equipment according to claim 1, characterized in that, The positioning hole (16) of the stationary shoulder locking pin is connected to the compressed air through hole (22) of the stationary shoulder assembly, and the locking screw hole (19) of the stationary shoulder stirring pin is connected to the mounting hole (20) of the stationary shoulder stirring pin.

9. The quick-change connection device for tool holder in friction stir welding equipment according to claim 1, characterized in that, The static shaft shoulder locking body (21) has a tapered structure.