Fine straightening machine for half shaft machining

By designing a fixing device on the hydraulic half-shaft straightening machine, and using clamping components and preliminary positioning components to fix the half-shaft, the problem of vibration and displacement of the half-shaft on uneven road surfaces is solved, and the accuracy and stability of the precision straightening machine are improved.

CN224208967UActive Publication Date: 2026-05-08CHONGQING KANGQI MACHINERY MANUFACTURING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING KANGQI MACHINERY MANUFACTURING CO LTD
Filing Date
2025-06-04
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Existing hydraulic axle straightening machines are prone to vibration when moving on uneven surfaces, which can damage parts and prevent them from being effectively fixed, thus affecting accuracy.

Method used

A precision straightening machine including a fixing device is designed, comprising a mounting plate, a placement table, a clamping assembly, and a preliminary positioning assembly. The half shaft is clamped and fixed by the cooperation of the clamping assembly and the placement table, using a drive cylinder and an arc plate to prevent displacement.

Benefits of technology

This effectively avoids the offset of the half shaft during the calibration process, improving machining accuracy and stability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224208967U_ABST
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Abstract

The utility model relates to the technical field of half shaft correcting devices, in particular to a fine straightening machine for half shaft machining, which comprises a base box, a working table, a half shaft hydraulic correcting machine body and a fixing device, the fixing device comprises a mounting plate, a placing table, a clamping assembly and a preliminary positioning assembly, the mounting plate is fixedly connected with the working table and located on one side of the working table, and the placing table is located on the other side of the working table. The placing table is fixedly connected with the workbench and fixedly connected with the mounting plate, the clamping assembly is arranged on the placing table, the preliminary positioning assembly is arranged on the workbench, and in the correction process of the automobile half shaft, one end of the automobile half shaft is placed on the placing table, and the other end of the automobile half shaft is placed in the preliminary positioning assembly to be preliminarily fixed; and then through mutual cooperation of the clamping assembly and the placing table, the automobile half shaft is clamped and fixed, so that the half shaft is prevented from deviating, and the precision is improved.
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Description

Technical Field

[0001] This utility model relates to the technical field of half-shaft straightening devices, and in particular to a precision straightening machine for half-shaft machining. Background Technology

[0002] Existing hydraulic axle straightening machines experience significant vibrations when moving on uneven surfaces, making components prone to damage due to these vibrations and resulting in poor practicality. While the installation of rollers facilitates movement of the hydraulic axle straightening machine, it also affects its stability.

[0003] Prior art CN212310487U discloses an automotive half-shaft straightening device, including a base box. A hydraulic half-shaft straightening machine body is fixed to the outer top wall of the base box. Mounting boxes are fixed to the four corners of the inner top wall of the base box. Horizontal shock-absorbing plates are slidably connected to the inner side walls on both sides of the bottom of the mounting boxes. A movable hole is opened in the middle of the bottom wall of the mounting boxes, and a vertical movable column is movably sleeved in the movable hole. The bottom end of the movable column extends to the bottom of the mounting box and is fixedly connected to a horizontal mounting plate. Roller bodies are mounted on the bottom wall of the mounting plate. Through holes are opened at the four corners of the bottom wall of the base box, and the four roller bodies are respectively located at... Inside the four through holes, the top of the movable column is fixedly connected to the bottom wall of the shock-absorbing plate. Connecting blocks are slidably connected to both sides of the inner top wall of the mounting box. Springs are connected to the two connecting blocks on the inner side walls of both sides of the mounting box. Inclined transmission rods are hinged to both sides of the top wall of the shock-absorbing plate. Through the combined action of the base box, through holes, mounting box, shock-absorbing plate, movable column, mounting plate, roller body, springs, connecting blocks and transmission rods, the vibration of the half-shaft hydraulic straightener when moving on uneven road surfaces can be effectively reduced. This can prevent the components of the half-shaft hydraulic straightener from being damaged by vibration during movement, making it highly practical.

[0004] However, using the above method, the half-shaft cannot be fixed during the calibration process, which makes the half-shaft prone to displacement and reduces accuracy. Utility Model Content

[0005] The purpose of this invention is to provide a precision straightening machine for half-shaft processing, which can fix the half-shaft during the calibration process of automobile half-shaft, prevent the half-shaft from shifting, and thus improve accuracy.

[0006] To achieve the above objectives, this utility model provides a precision straightening machine for half-shaft processing, including a base box, a worktable, and a half-shaft hydraulic straightening machine body. The worktable is located directly above the base box, and the half-shaft hydraulic straightening machine body is located on the worktable. It also includes a fixing device.

[0007] The fixing device includes a mounting plate, a placement platform, a clamping assembly, and a preliminary positioning assembly. The mounting plate is fixedly connected to the workbench and located on one side of the workbench. The placement platform is fixedly connected to the workbench and also fixedly connected to the mounting plate. The clamping assembly is disposed on the placement platform, and the preliminary positioning assembly is disposed on the workbench.

[0008] The clamping assembly includes a right-angle plate and a driving cylinder. The right-angle plate is fixedly connected to the placement platform and is located on one side of the placement platform. The driving cylinder is disposed on the right-angle plate, and the output end of the driving cylinder passes through the right-angle plate.

[0009] The clamping assembly further includes an arc-shaped plate, which is fixed together with the output end of the drive cylinder.

[0010] A rubber pad is provided on the placement platform, and the rubber pad is fixedly connected to the placement platform and located on one side of the placement platform.

[0011] The preliminary positioning component includes a socket one and a socket two. The socket one is fixedly connected to the workbench and is located on one side of the workbench; the socket two is fixedly connected to the workbench and is located on one side of the workbench.

[0012] This utility model discloses a precision straightening machine for half-shaft processing, comprising a base box, a worktable, a half-shaft hydraulic straightening machine body, and a fixing device. The fixing device includes a mounting plate, a placement table, a clamping assembly, and a preliminary positioning assembly. During the straightening process of the automobile half-shaft, one end of the automobile half-shaft is placed on the placement table, and the other end is placed in the preliminary positioning assembly for initial fixation. Then, the clamping assembly and the placement table cooperate to clamp and fix the automobile half-shaft, thereby preventing the half-shaft from shifting and improving accuracy. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0014] Figure 1 This is a schematic diagram of the overall structure of the precision straightening machine for half-shaft machining according to the first embodiment of this utility model.

[0015] Figure 2 This is an overall front view of the precision straightening machine for half-shaft machining according to the first embodiment of this utility model.

[0016] Figure 3 This is a structural schematic diagram of the fixing device according to the first embodiment of this utility model.

[0017] Figure 4This is a schematic diagram of the clamping assembly according to the first embodiment of the present invention.

[0018] In the diagram: 101-base box, 102-workbench, 103-half-shaft hydraulic straightening machine body, 104-mounting plate, 105-placement platform, 106-right-angle plate, 107-drive cylinder, 108-arc plate, 109-rubber pad, 110-socket one, 111-socket two. Detailed Implementation

[0019] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0020] The first embodiment of this application is as follows:

[0021] Please see Figures 1 to 4 ,in Figure 1 This is a schematic diagram of the overall structure of a precision straightening machine for half-shaft machining. Figure 2 This is an overall front view of a precision straightening machine for half-shaft machining. Figure 3 This is a structural diagram of the fixing device. Figure 4 This is a structural schematic diagram of the clamping assembly. This utility model provides a precision straightening machine for half-shaft processing: it includes a base box 101, a worktable 102, a half-shaft hydraulic straightening machine body 103, and a fixing device. The fixing device includes a mounting plate 104, a placement table 105, a clamping assembly, and a preliminary positioning assembly. The clamping assembly includes a right-angle plate 106, a drive cylinder 107, and an arc-shaped plate 108. A rubber pad 109 is provided on the placement table 105. The preliminary positioning assembly includes a socket 110 and a socket 111. The aforementioned solution solves the problem that during the straightening process of an automobile half-shaft, the inability to fix the half-shaft leads to easy displacement and reduced accuracy. It can be understood that the aforementioned solution can be used to fix the automobile half-shaft during the straightening process, preventing displacement and improving accuracy. It can also be used to initially fix the automobile half-shaft.

[0022] In this specific embodiment, the workbench 102 is positioned directly above the base box 101, and the half-shaft hydraulic straightening machine body 103 is positioned on the workbench 102. The workbench 102 is positioned directly above the base box 101, and the workbench 102 is parallel to the base box 101. The workbench 102 is used to place the automobile half-shaft, and the half-shaft hydraulic straightening machine body 103 is positioned on the rear side of the workbench 102. The half-shaft hydraulic straightening machine body 103 is used to process and straighten the automobile half-shaft. All of the above are prior art, and therefore will not be described in detail in this application.

[0023] The mounting plate 104 is fixedly connected to the workbench 102 and located on one side of the workbench 102. The placement platform 105 is fixedly connected to the workbench 102 and also fixedly connected to the mounting plate 104. The clamping assembly is disposed on the placement platform 105, and the preliminary positioning assembly is disposed on the workbench 102. The mounting plate 104 is fixed to the rear side of the upper surface of the workbench 102 and is located on the front side of the half-shaft hydraulic straightening machine body 103. The placement platform 105 is welded to the front left end of the mounting plate 104. The placement platform 105 is perpendicular to the mounting plate 104. The front end of the upper surface of the placement platform 105 is formed with... The worktable 102 has a semi-circular groove, in which the car half-shaft can be placed. The upper surface of the worktable 102 is provided with the preliminary positioning component for preliminary fixing of the car half-shaft. The upper surface of the worktable 105 is provided with the clamping component, which cooperates with the semi-circular groove to clamp and fix the car half-shaft. During the calibration of the car half-shaft, one end of the car half-shaft is placed on the worktable 105, and the other end is placed in the preliminary positioning component for preliminary fixing. Then, the clamping component cooperates with the worktable 105 to clamp and fix the car half-shaft, thereby preventing the half-shaft from shifting and improving accuracy.

[0024] Secondly, the right-angle plate 106 is fixedly connected to the placement platform 105 and located on one side of the placement platform 105; the driving cylinder 107 is disposed on the right-angle plate 106, and the output end of the driving cylinder 107 passes through the right-angle plate 106; the arc-shaped plate 108 is fixed together with the output end of the driving cylinder 107; the right-angle plate 106 is welded to the upper surface of the placement platform 105; the right-angle plate 106 is a flipped L-shape; the upper surface of the right-angle plate 106 is parallel to the placement platform 105; the driving cylinder 107 is fixed to the upper surface of the right-angle plate 106; and the output end of the driving cylinder 107 passes through the right-angle plate. On one side of 106, and with the output end of the drive cylinder 107 facing the center of the semi-circular groove of the placement platform 105, the output end of the drive motor is fixed with the arc plate 108. The arc plate 108 has a small arc surface, so that when processing the car half shaft, the left end of the car half shaft is placed in the semi-circular groove of the placement platform 105, the drive cylinder 107 is activated, and the output end of the drive cylinder 107 drives the arc plate 108 to move towards the half shaft until the arc plate 108 abuts against the upper surface of the car half shaft, thereby clamping and fixing the left end of the car half shaft, improving the stability and accuracy of the half shaft processing.

[0025] Meanwhile, the rubber pad 109 is fixedly connected to the placement platform 105 and is located on one side of the placement platform 105. The rubber pad 109 is provided on the upper surface of the placement platform 105 and is located in the semi-circular groove of the placement platform 105. The rubber pad 109 is made of soft rubber material, which can increase the resistance of the car half shaft when placing it, making the placement of the car half shaft more stable.

[0026] In addition, the first socket 110 is fixedly connected to the workbench 102 and located on one side of the workbench 102; the second socket 111 is fixedly connected to the workbench 102 and located on one side of the workbench 102. The first socket 110 is fixed to the upper surface of the workbench 102, and the second socket 111 is fixed to the upper surface of the workbench 102 and located to the right of the first socket 110. Both the first socket 110 and the second socket 111 have through holes with a diameter that matches the diameter of the car half-shaft. This allows the right end of the car half-shaft to be inserted into the first socket 110 and the second socket 111 in sequence during the processing of the car half-shaft, so that the left end of the car half-shaft is placed on the placement table 105, which initially stabilizes the car half-shaft. Then, the car half-shaft is clamped and fixed by the arc plate 108 to prevent the car half-shaft from shifting during processing, thereby improving the accuracy of processing.

[0027] When using a precision straightening machine for half-shaft processing according to this embodiment, during the calibration process of the automobile half-shaft, one end of the automobile half-shaft is placed on the placement table 105, and the other end is placed in the preliminary positioning component for preliminary fixation. Then, the clamping component cooperates with the placement table 105 to clamp and fix the automobile half-shaft, thereby preventing the half-shaft from shifting and improving accuracy.

[0028] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. A precision straightening machine for half-shaft machining, comprising a base box, a worktable, and a half-shaft hydraulic straightening machine body, wherein the worktable is disposed directly above the base box, and the half-shaft hydraulic straightening machine body is disposed on the worktable, characterized in that: It also includes fixing devices; The fixing device includes a mounting plate, a placement platform, a clamping assembly, and a preliminary positioning assembly. The mounting plate is fixedly connected to the workbench and located on one side of the workbench. The placement platform is fixedly connected to the workbench and also fixedly connected to the mounting plate. The clamping assembly is disposed on the placement platform, and the preliminary positioning assembly is disposed on the workbench.

2. The precision straightening machine for half-shaft machining as described in claim 1, characterized in that: The clamping assembly includes a right-angle plate and a driving cylinder. The right-angle plate is fixedly connected to the placement platform and is located on one side of the placement platform. The driving cylinder is disposed on the right-angle plate, and the output end of the driving cylinder passes through the right-angle plate.

3. The precision straightening machine for half-shaft machining as described in claim 2, characterized in that: The clamping assembly also includes an arc-shaped plate, which is fixed together with the output end of the drive cylinder.

4. The precision straightening machine for half-shaft machining as described in claim 1, characterized in that: A rubber pad is provided on the placement platform, and the rubber pad is fixedly connected to the placement platform and located on one side of the placement platform.

5. The precision straightening machine for half-shaft machining as described in claim 1, characterized in that: The preliminary positioning components include socket one and socket two. Socket one is fixedly connected to the workbench and is located on one side of the workbench; socket two is fixedly connected to the workbench and is located on one side of the workbench.

Citation Information

Patent Citations

  • Automobile half-axle correction device

    CN212310487U