Rear axle assembly welding tool

By designing the rear shaft sleeve welding tool, using structures such as shaft end retaining ring, positioning flange and friction clamping block, the problem of discontinuous welding operations in the existing technology is solved, and efficient and continuous welding effect is achieved in a single station.

CN222767652UActive Publication Date: 2025-04-18NANJING YUEHUA MASCH MFG CO LTD
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Patent Information

Application Number
CN202421477558.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-26
Publication Date
2025-04-18
Estimated Expiration
2034-06-26

AI Technical Summary

Technical Problem

The existing rear axle set uses large general-purpose tooling, which leads to discontinuous welding operations and poor practicality, making it difficult to efficiently weld in a single station.

Method used

A rear shaft sleeve welding tool is designed, adopting an annular structure of the shaft end retaining ring and positioning flange, combining the structure of friction clamping blocks, engagement wheels and restricting rods, and frictional positioning is frictionally fixed to the welding tool to achieve flexible positioning.

Benefits of technology

This design reduces the volume of the positioning tooling, facilitates efficient welding in a single station, and improves the continuity and practicality of welding.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rear axle assembly sleeve welding tool which comprises a shaft end check ring, a positioning flange is fixed to one side of the shaft end check ring through welding, the shaft end check ring and the positioning flange are both of an annular structure, the inner diameter of the positioning flange is the same as that of the shaft end check ring, and the outer diameter of the positioning flange is smaller than that of the shaft end check ring. An embedded groove is circumferentially formed in the positioning flange, side windows are correspondingly formed in the inner walls of the two sides of the embedded groove, sliding blocks are correspondingly arranged on the upper inner walls and the lower inner walls of the side windows, friction clamping blocks are arranged in the side windows in a sliding mode, and sliding grooves are correspondingly formed in the two sides of the friction clamping blocks; the sliding groove is in sliding contact with the sliding block, the friction clamping block is of a hollow structure, sawteeth are evenly arranged on the upper inner wall and the lower inner wall of the friction clamping block, a middle shaft is correspondingly fixed to the inner wall of the side window in a welded mode, and a meshing wheel is arranged outside the middle shaft in a sleeved mode.
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Description

Technical Field

[0001] The utility model relates to the technical field of rear axle assembly processing, in particular to a rear axle assembly welding tool. Background Art

[0002] The rear axle assembly is a cylindrical kit of parts used to be installed on the rear axle of a vehicle. The rear axle assembly ensures that the force is evenly transmitted in the assembly by evenly distributing the positioning blocks at both ends of the cylindrical kit, reducing the risk of breakage or damage caused by uneven force during use.

[0003] The existing rear axle assembly is often positioned by a large universal tooling, which may block some positions and make the welding operation unable to proceed continuously due to its large size, and has poor practicality. Therefore, it is necessary to design a rear axle assembly welding tooling with strong practicality. Utility Model Content

[0004] The purpose of the utility model is to provide a rear axle assembly welding tool to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a rear axle assembly welding tooling, including a shaft end retaining ring, one side of the shaft end retaining ring is fixed with a positioning flange by welding, the shaft end retaining ring and the positioning flange are both annular structures, the positioning flange is the same as the inner diameter of the shaft end retaining ring, and the outer diameter of the positioning flange is smaller than the outer diameter of the shaft end retaining ring.

[0006] According to the above technical solution, the positioning flange is provided with embedded grooves distributed in a circumferential manner, the inner walls on both sides of the embedded grooves are provided with side windows, the upper and lower inner walls of the side windows are provided with sliders, and the inner sliding part of the side windows is provided with friction clamping blocks, and the two sides of the friction clamping blocks are provided with sliding grooves, and the sliding grooves are in sliding contact with the sliders.

[0007] According to the above technical solution, the friction clamping block is a hollow structure, and the upper and lower inner walls of the friction clamping block are evenly arranged with serrations, the inner wall of the side window is correspondingly fixed with an intermediate shaft by welding, and the outer sleeve of the intermediate shaft is provided with a meshing wheel, the two meshing wheels are meshed with each other, and the meshing wheel is meshed with the serrations.

[0008] According to the above technical solution, screw holes are evenly installed on the side walls of the meshing wheel, screws are movably connected to the inside of the screw holes through threads, a limiting rod is provided on one side of the meshing wheel, a half screw is fixed to one side of the limiting rod by welding, and the half screw and the screw hole are threadedly connected to each other.

[0009] According to the above technical solution, a toggle block is fixed to the other side of the limiting rod by welding.

[0010] According to the above technical solution, the number of the limiting rods is two, and the two limiting rods are symmetrically distributed between the two meshing wheels.

[0011] Compared with the prior art, the beneficial effect achieved by the utility model is as follows: during the welding process, the utility model uses friction positioning to fix the positioning blocks evenly distributed at both ends of the cylindrical kit and the welding tooling together, thereby achieving flexible positioning, reducing the volume of the positioning tooling, and facilitating efficient welding at a single workstation. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the installation of the friction clamping block of the utility model;

[0015] Figure 3 It is a schematic diagram of the limiting rod structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the installation of the slideway and the slider of the utility model;

[0017] In the figure: 1, shaft end retaining ring; 2, positioning flange; 21, embedded groove; 22, side window; 221, slider; 3, friction clamping block; 31, limiting rod; 32, meshing wheel; 33, screw hole; 34, intermediate shaft; 35, slide groove; 311, toggle block; 312, screw; 313, half screw. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4The utility model provides a technical solution: a rear axle assembly welding tool, including a shaft end retaining ring 1, a positioning flange 2 is fixed on one side of the shaft end retaining ring 1 by welding, the shaft end retaining ring 1 and the positioning flange 2 are both annular structures, the positioning flange 2 is the same as the inner diameter of the shaft end retaining ring 1, and the outer diameter of the positioning flange 2 is smaller than the outer diameter of the shaft end retaining ring 1. When working, the two shaft end retaining rings 1 are placed at both ends of the rear axle assembly, and the rear axle assembly is positioned by using the positioning flange 2;

[0020] The positioning flange 2 is provided with embedded grooves 21 distributed in a circumferential manner, and side windows 22 are correspondingly provided on the inner walls on both sides of the embedded groove 21, and sliders 221 are correspondingly provided on the upper and lower inner walls of the side window 22, and a friction clamping block 3 is slidably provided inside the side window 22, and slide grooves 35 are correspondingly provided on both sides of the friction clamping block 3, and the slide groove 35 and the slider 221 are in sliding contact with each other, and the positioning block of the rear axle assembly is aligned with the embedded groove 21. At this time, the friction clamping block 3 is moved outward, so that the friction clamping block 3 and the positioning block are frictionally fixed to each other;

[0021] The friction clamping block 3 is a hollow structure, and the upper and lower inner walls of the friction clamping block 3 are evenly arranged with saw teeth. The inner wall of the side window 22 is fixed with an intermediate shaft 34 by welding. The outer sleeve of the intermediate shaft 34 is provided with a meshing wheel 32. The two meshing wheels 32 are meshed and connected with each other, and the meshing wheels 32 are meshed and connected with the saw teeth. When fixing, the two meshing wheels 32 are rotated so that the friction clamping block 3 follows the sliding movement, thereby performing a resisting effect. When fixing, the meshing wheels 32 are not rotated. It is suitable for positioning blocks of different models and sizes.

[0022] The side wall of the meshing wheel 32 is evenly provided with screw holes 33, the inside of the screw hole 33 is movably connected with a screw 312 through a thread, a limiting rod 31 is provided on one side of the meshing wheel 32, a half screw 313 is fixed on one side of the limiting rod 31 by welding, and the half screw 313 and the screw hole 33 are threadedly connected to each other. When working, the screw 312 and the screw hole 33 are first threadedly connected to each other, and the limiting rod 31 is rotated, so that the half screw 313 and the screw hole 33 are threadedly connected to each other. At this time, due to the limiting effect of the limiting rod 31, the meshing wheel 32 cannot rotate;

[0023] The other side of the limiting rod 31 is fixed with a toggle block 311 by welding. When disassembly is required, the toggle block 311 is grasped by hand, and the screw 312 is disassembled by a screwdriver. After the half screw 313 is unscrewed, the toggle block 311 is grasped by hand for disassembly, so as to facilitate the free rotation of the two meshing wheels 32.

[0024] There are two limiting rods 31 , and the two limiting rods 31 are symmetrically distributed between the two meshing wheels 32 . A stable positioning structure is formed by the two limiting rods 31 , and the operation is more stable.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A rear axle assembly welding tool, comprising an axle end retaining ring (1), characterized in that: A positioning flange (2) is fixed to one side of the shaft end retaining ring (1) by welding; the shaft end retaining ring (1) and the positioning flange (2) are both annular structures; the positioning flange (2) and the shaft end retaining ring (1) have the same inner diameter, and the outer diameter of the positioning flange (2) is smaller than the outer diameter of the shaft end retaining ring (1).

2. The rear axle assembly welding tool according to claim 1, characterized in that: The positioning flange (2) is provided with embedded grooves (21) distributed in a circumferential manner, and side windows (22) are correspondingly provided on the inner walls on both sides of the embedded groove (21), and sliders (221) are correspondingly provided on the upper and lower inner walls of the side window (22), and a friction clamping block (3) is slidably provided inside the side window (22), and sliding grooves (35) are correspondingly provided on both sides of the friction clamping block (3), and the sliding grooves (35) and the sliders (221) are in sliding contact with each other.

3. The rear axle assembly welding tool according to claim 2, characterized in that: The friction clamping block (3) is a hollow structure, and saw teeth are evenly arranged on the upper and lower inner walls of the friction clamping block (3). An intermediate shaft (34) is fixed to the inner wall of the side window (22) by welding. A meshing wheel (32) is sleeved on the outside of the intermediate shaft (34). The two meshing wheels (32) are meshed with each other, and the meshing wheel (32) is meshed with the saw teeth.

4. The rear axle assembly welding tool according to claim 3, characterized in that: The side wall of the meshing wheel (32) is evenly provided with screw holes (33), the interior of the screw hole (33) is movably connected with a screw (312) via a thread, a limiting rod (31) is provided on one side of the meshing wheel (32), a half screw (313) is fixed to one side of the limiting rod (31) via welding, and the half screw (313) and the screw hole (33) are threadedly connected to each other.

5. The rear axle assembly welding tool according to claim 4, characterized in that: A toggle block (311) is fixed to the other side of the limiting rod (31) by welding.

6. The rear axle assembly welding tool according to claim 5, characterized in that: The number of the limiting rods (31) is two, and the two limiting rods (31) are symmetrically distributed between the two meshing wheels (32).