Automobile rear axle housing machining clamp

By designing the rear axle shell processing fixture of the automobile rear axle, and using support blocks and compression mechanisms to support and hold mechanisms, the problems of clamping are solved, and convenient clamping and high-quality processing are achieved.

CN223265219UActive Publication Date: 2025-08-26QINGLING MOTORS GRP +1
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Patent Information

Application Number
CN202421957778.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-13
Publication Date
2025-08-26
Estimated Expiration
2034-08-13

AI Technical Summary

Technical Problem

During the processing of existing automobile rear axle shells, clamping is laborious, labor-intensive, long processing time and low efficiency, making it difficult to meet quality requirements.

Method used

A kind of automobile rear axle shell processing fixture is designed, including a base, a support block, a pressing mechanism and a clamping mechanism. The two ends of the automobile rear axle shell are supported by the support block. The pressing mechanism presses both ends, and the clamping mechanism is positioned around the middle to achieve convenient clamping.

Benefits of technology

It reduces labor intensity, reduces clamping frequency, and improves positioning accuracy and processing quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223265219U_ABST
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Abstract

The utility model provides an automobile rear axle housing machining clamp which comprises a base, two pressing mechanisms and a plurality of enclasping mechanisms, two supporting blocks are arranged on the base, the supporting blocks support the two ends of an automobile rear axle housing respectively, the pressing mechanisms are arranged on the base, and the enclasping mechanisms are arranged on the base. The pressing mechanisms are close to the corresponding supporting blocks, the pressing mechanisms are used for pressing the ends of the automobile rear axle housing to the corresponding supporting blocks, the holding mechanisms are arranged on the base and surround the middle of the automobile rear axle housing, and the clamping mechanisms are used for clamping the ends of the automobile rear axle housing to the corresponding supporting blocks. The automobile rear axle housing clamping device has the advantages that the automobile rear axle housing can be directly placed on the corresponding supporting blocks, the two ends of the automobile rear axle housing are pressed through the pressing mechanisms, meanwhile, the middle of the automobile rear axle housing is positioned through the holding mechanisms, clamping is convenient and fast, the clamping efficiency is high, and the clamping efficiency is high. And the labor intensity is greatly reduced, the clamping frequency is reduced, positioning is accurate and stable, and the quality of machined products is improved.
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Description

Technical Field

[0001] The utility model relates to the field of automobile axle housing processing equipment, in particular to an automobile rear axle housing processing fixture. Background Art

[0002] The suspension is a critical load-bearing and force-transmitting component in a vehicle, supporting the vehicle's weight and transferring the load to the wheels. Simultaneously, it withstands the reaction forces of traction, braking, lateral, and vertical forces transmitted from the drive wheels, as well as the reaction torque, which are then transmitted to the frame or body via the suspension. Currently, the suspension is processed using two machine tools and one radial drilling machine. This method fails to meet product quality requirements, and ensuring product quality through fixture installation accuracy is relatively difficult. Furthermore, the three machines required for processing present technical challenges, such as labor-intensive clamping, long processing times, and low efficiency. Utility Model Content

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a vehicle rear axle housing processing fixture to solve the technical problems of the prior art such as laborious clamping, high labor intensity, long processing time and low processing efficiency.

[0004] To achieve the above-mentioned and other related purposes, the present invention provides a fixture for machining a rear axle housing of an automobile, comprising:

[0005] A base, on which two support blocks are provided, and the support blocks respectively support the two ends of the rear axle housing of the automobile;

[0006] Two pressing mechanisms, each of which is provided on the base and close to the corresponding support block, and is used to press the end of the rear axle housing of the automobile onto the corresponding support block;

[0007] A plurality of clamping mechanisms are provided on the base, the clamping mechanisms are provided around the middle portion of the rear axle housing of the automobile, and the clamping mechanisms are used to compress the middle portion of the rear axle housing of the automobile.

[0008] The advantage of adopting the above technical solution is that the rear axle housing of the automobile can be directly placed on the corresponding support block, the two ends of the rear axle housing of the automobile can be pressed by the clamping mechanism, and the middle part of the rear axle housing of the automobile can be positioned by the clamping mechanism. The clamping is convenient, which greatly reduces the labor intensity and the frequency of clamping. The positioning is accurate and stable, and the quality of the processed products is improved.

[0009] Optionally, the base includes a bottom plate and multiple mounting plates, the bottom plate is evenly provided with a number of positioning holes, the mounting plates are set on the positioning holes of the bottom plate by bolts, and the support block, the clamping mechanism and the clamping mechanism are all set on the corresponding mounting plates by bolts.

[0010] Optionally, the processing fixture also includes a plurality of auxiliary support members, which are arranged on the corresponding mounting plates, and the auxiliary support members are evenly distributed below the middle part of the rear axle housing of the automobile. All the clamping mechanisms are arranged around all the auxiliary support members, and the auxiliary support members are used to support the lower end surface of the middle part of the rear axle housing of the automobile.

[0011] Optionally, the auxiliary support member includes a first driving device and a vertically arranged auxiliary support rod, the first driving device is arranged on the corresponding mounting plate, and the first driving device is used to drive the corresponding auxiliary support rod close to or away from the rear axle housing of the automobile.

[0012] Optionally, a positioning opening is provided on the upper end surface of the support block, and the positioning opening matches the end of the rear axle housing of the automobile.

[0013] Optionally, the clamping mechanism includes a second driving device and a vertically arranged telescopic rod, the telescopic rod is provided with a pressing plate, the second driving device is used to drive the pressing plate on the telescopic rod close to or away from the support block, and the pressing plate is used to press the rear axle housing of the automobile.

[0014] Optionally, a sensor is further provided on one of the mounting plates, and the sensor is close to the supporting block.

[0015] Optionally, the processing fixture further includes a leveling assembly, which is disposed above the base. The leveling assembly can be moved closer to or farther from the base, and is used to adjust the angle of the rear axle housing of the automobile.

[0016] Optionally, the clamping mechanism includes a third driving device and a horizontally arranged extrusion rod, the third driving device is arranged on the corresponding mounting plate, and the third driving device is used to drive the extrusion rod horizontally close to or away from the middle of the rear axle housing of the automobile.

[0017] Optionally, a plurality of middle pressing mechanisms are further provided on the base, and the middle pressing mechanism includes a fourth driving device and a vertically arranged pressing rod, and a fixing plate is provided on the pressing rod. The fourth driving device is used to drive the fixing plate on the pressing rod close to or away from the middle of the rear axle housing of the automobile, and the fixing plate is used to press the rear axle housing of the automobile.

[0018] As described above, the automobile rear axle housing processing fixture of the present invention has the following beneficial effects: the automobile rear axle housing can be directly placed on the corresponding support block, the two ends of the automobile rear axle housing can be pressed by the clamping mechanism, and the middle part of the automobile rear axle housing can be positioned by the clamping mechanism. The clamping is convenient, which greatly reduces the labor intensity and the frequency of clamping. The positioning is accurate and stable, and the quality of the processed products is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 Shown is a schematic diagram of the structure from a first perspective in one embodiment of the present utility model;

[0020] Figure 2 Shown is a schematic diagram of the second perspective structure of an embodiment of the present utility model.

[0021] Part Number Description

[0022] 1 base

[0023] 101 base plate

[0024] 102 Mounting Plate

[0025] 2 support blocks

[0026] 3. Clamping mechanism

[0027] 301 Press Plate

[0028] 4 Clamping mechanism

[0029] 5 Auxiliary support

[0030] 6 Sensors

[0031] 7. Leveling components

[0032] 8 Middle pressing mechanism

[0033] 801 fixed plate DETAILED DESCRIPTION

[0034] The following describes the embodiments of the present invention through specific examples. Those skilled in the art will readily understand the other advantages and benefits of the present invention from the disclosure herein. The present invention may also be implemented or applied through various other specific embodiments, and the details in this specification may be modified or altered based on different perspectives and applications without departing from the spirit of the present invention.

[0035] See also Figures 1 to 2. It should be noted that the illustrations provided in this embodiment only illustrate the basic concept of the present invention in a schematic manner. The illustrations only show the components related to the present invention rather than being drawn according to the number, shape and size of the components during actual implementation. During implementation, the type, quantity and proportion of each component can be changed at will, and the component layout may also be more complex. The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read. They are not used to limit the conditions under which the present invention can be implemented, so they have no technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in the present invention without affecting the efficacy and purpose that can be achieved by the present invention. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit the scope of implementation of the present invention. Changes or adjustments to their relative relationships should also be regarded as the scope of implementation of the present invention without substantially changing the technical content.

[0036] See Figures 1 to 2 As shown, the utility model provides a fixture for machining a rear axle housing of an automobile, comprising:

[0037] A base 1, on which two support blocks 2 are provided, and the support blocks 2 respectively support the two ends of the rear axle housing of the automobile;

[0038] Two pressing mechanisms 3, each of which is provided on the base 1 and close to the corresponding support block 2, and is used to press the end of the rear axle housing of the automobile onto the corresponding support block 2;

[0039] A plurality of clamping mechanisms 4 are provided on the base 1 , and the clamping mechanisms 4 are provided around the middle portion of the rear axle housing of the automobile, and are used to compress the middle portion of the rear axle housing of the automobile.

[0040] It should also be noted that when in use, the workpiece is hoisted above the base 1, the two ends of the rear axle housing of the automobile are placed on the corresponding support blocks 2 respectively, the angle of the rear axle housing of the automobile is adjusted, and the clamping mechanism 3 is used to clamp the two ends of the rear axle housing of the automobile, and then the clamping mechanism 4 is used to squeeze the middle part of the rear axle housing of the automobile, and the rear axle housing of the automobile is further fixed to complete the clamping work.

[0041] Exemplarily, the base 1 includes a base plate 101 and multiple mounting plates 102, the base plate 101 is evenly provided with a number of positioning holes, the mounting plates 102 are set on the positioning holes of the base plate 101 by bolts, and the support block 2, the clamping mechanism 3 and the clamping mechanism 4 are all set on the corresponding mounting plates 102 by bolts.

[0042] It is further explained that a plurality of oil passages are provided in the base plate 101 for the passage of pipelines of the first drive device, the second drive device and the third drive device to avoid the pipelines being exposed and affecting the clamping of the device.

[0043] It should also be noted that the distance between the support blocks 2 can be changed by adjusting the position of the mounting plate 102 to ensure that the processing fixture has high adaptability and can match various specifications of automobile rear axle housings.

[0044] Exemplarily, the processing fixture also includes a plurality of auxiliary support members 5, which are arranged on the corresponding mounting plate 102, and the auxiliary support members 5 are evenly distributed below the middle part of the rear axle housing of the automobile. All the clamping mechanisms 4 are arranged around all the auxiliary support members 5, and the auxiliary support members 5 are used to support the lower end surface of the middle part of the rear axle housing of the automobile.

[0045] It should also be noted that an auxiliary support member 5 is provided below the rear axle housing of the automobile to support the rear axle housing of the automobile, thereby further improving the supporting effect and reducing the pressure on the support blocks 2 on both sides.

[0046] It should also be noted that a protective layer is provided on the supporting surface of the auxiliary support member 5 for protecting the outer wall of the rear axle housing of the automobile.

[0047] Exemplarily, the auxiliary support member 5 includes a first driving device and a vertically arranged auxiliary support rod, the first driving device is arranged on the corresponding mounting plate 102, and the first driving device is used to drive the corresponding auxiliary support rod close to or away from the rear axle housing of the automobile.

[0048] It should also be noted that the first driving device adopts a hydraulic cylinder, and the auxiliary support rod is the piston rod of the hydraulic cylinder, which supports the rear axle housing of the automobile from below. At the same time, the stroke of the piston rod can be adjusted to adapt to various specifications of rear axle housings of automobiles.

[0049] Exemplarily, the upper end surface of the support block 2 is provided with a positioning opening, and the positioning opening matches the end of the rear axle housing of the automobile.

[0050] It should also be noted that the positioning opening is provided so that the end of the rear axle housing of the automobile can be located exactly in the positioning opening when it is placed. In this application, a U-shaped opening is used to place the end of the rear axle housing of the automobile.

[0051] It is further explained that a protective layer is provided on the inner wall of the positioning opening to protect the outer wall of the end portion of the rear axle housing of the automobile.

[0052] Exemplarily, the clamping mechanism 3 includes a second driving device and a vertically arranged telescopic rod, and a pressing plate 301 is provided on the telescopic rod. The second driving device is used to drive the pressing plate 301 on the telescopic rod to approach or move away from the support block 2, and the pressing plate 301 is used to press the rear axle housing of the automobile.

[0053] It should also be noted that the second driving device is a hydraulic cylinder, and the telescopic rod is the piston rod of the hydraulic cylinder. When the piston rod moves up and down, it drives the pressing plate 301 to press the rear axle housing of the automobile.

[0054] It is further explained that the pressing plate 301 is rotatably arranged on the piston rod, and the pressing plate 301 can be rotated to make way to avoid obstruction and collision when lifting the rear axle housing of the automobile.

[0055] Exemplarily, a sensor 6 is further provided on one of the mounting plates 102 , and the sensor 6 is close to the supporting block 2 .

[0056] It should also be noted that the sensor 6 is used to detect whether the pressing plate 301 has pressed the rear axle housing of the vehicle.

[0057] Exemplarily, the processing fixture further includes a flattening assembly 7, which is disposed above the base 1. The flattening assembly 7 can be moved closer to or farther from the base 1, and is used to adjust the angle of the rear axle housing of the automobile.

[0058] It should also be noted that the arrangement of the leveling assembly 7 allows the rear axle housing of the vehicle to be adjusted in angle from above when the rear axle housing of the vehicle is placed, so that the middle portion of the rear axle housing of the vehicle remains in a horizontal state.

[0059] Exemplarily, the clamping mechanism 4 includes a third driving device and a horizontally arranged extrusion rod, the third driving device is arranged on the corresponding mounting plate 102, and the third driving device is used to drive the extrusion rod horizontally close to or away from the middle of the rear axle housing of the automobile.

[0060] It should also be noted that the third driving device is a hydraulic cylinder, and the extrusion rod is the piston rod of the hydraulic cylinder. When the piston rod of the third driving device moves horizontally, it presses the outer wall of the rear axle housing of the automobile from the side.

[0061] Exemplarily, the base 1 is also provided with a plurality of middle pressing mechanisms 8, and the middle pressing mechanism 8 includes a fourth driving device and a vertically arranged pressing rod, and the pressing rod is provided with a fixing plate 801. The fourth driving device is used to drive the fixing plate 801 on the pressing rod close to or away from the middle of the rear axle housing of the automobile, and the fixing plate 801 is used to press the middle of the rear axle housing of the automobile.

[0062] It should also be noted that the fourth driving device is a hydraulic cylinder, and the pressing rod is the piston rod of the hydraulic cylinder. When the piston rod of the fourth driving device is extended or retracted, it drives the fixing plate 801 to clamp the middle part of the rear axle housing of the automobile from above.

[0063] It is further explained that the fixing plate 801 is rotatably arranged on the piston rod of the fourth driving device to facilitate making way during the lifting process.

[0064] In one embodiment, a pushing device is further provided on the base plate 1, and the pushing device is close to one of the support blocks 2. The pushing device is used to axially move the rear axle housing of the automobile. An axial limit member is provided on the other support block 2. When the pushing device pushes the rear axle housing of the automobile to the axial limit member, the axial positioning is completed.

[0065] To sum up, the automobile rear axle housing processing fixture of the present invention can directly place the automobile rear axle housing on the corresponding support block 2, use the clamping mechanism 3 to clamp the two ends of the automobile rear axle housing, and use the clamping mechanism 4 to position the middle part of the automobile rear axle housing. It is convenient to clamp, greatly reduces labor intensity, reduces the frequency of clamping, and has accurate and stable positioning, thereby improving the quality of processed products.

[0066] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by one of ordinary skill in the art without departing from the spirit and technical principles disclosed in the present invention are intended to be covered by the claims of the present invention.

Claims

1. A car rear axle housing processing fixture, used for clamping the car rear axle housing, characterized in that: include: A base, on which two support blocks are provided, and the support blocks respectively support the two ends of the rear axle housing of the automobile; Two clamping mechanisms, each of which is disposed on the base and is close to the corresponding support block. The upper end surface of the support block is provided with a positioning opening, and the positioning opening matches the end of the rear axle housing of the automobile. The clamping mechanism is used to press the end of the rear axle housing of the automobile onto the corresponding support block; The pressing mechanism includes a second driving device and a vertically arranged telescopic rod, the telescopic rod is provided with a pressing plate, the second driving device is used to drive the pressing plate on the telescopic rod to move closer to or away from the support block, and the pressing plate is used to press the rear axle housing of the automobile; A plurality of clamping mechanisms, each of which is provided on the base and is arranged around a middle portion of the rear axle housing of the automobile, and is used to compress the middle portion of the rear axle housing of the automobile; Multiple middle pressing mechanisms, the middle pressing mechanism includes a fourth driving device and a vertically arranged pressing rod, the pressing rod is rotatably connected to a fixed plate, the fourth driving device is used to drive the fixed plate on the pressing rod close to or away from the middle of the rear axle housing of the automobile, and the fixed plate is used to press the rear axle housing of the automobile.

2. The automobile rear axle housing processing fixture according to claim 1, characterized in that: The base includes a bottom plate and multiple mounting plates, the bottom plate is evenly provided with a plurality of positioning holes, the mounting plates are set on the positioning holes of the bottom plate by bolts, and the support blocks, the clamping mechanism and the clamping mechanism are all set on the corresponding mounting plates by bolts.

3. The automobile rear axle housing processing fixture according to claim 2, characterized in that: The processing fixture also includes a plurality of auxiliary support members, which are arranged on the corresponding mounting plates and are evenly distributed below the middle part of the rear axle housing of the automobile. All the clamping mechanisms are arranged around all the auxiliary support members, and the auxiliary support members are used to support the lower end surface of the middle part of the rear axle housing of the automobile.

4. The automobile rear axle housing processing fixture according to claim 3, characterized in that: The auxiliary support member includes a first driving device and a vertically arranged auxiliary support rod. The first driving device is arranged on the corresponding mounting plate, and the first driving device is used to drive the corresponding auxiliary support rod to move closer to or away from the rear axle housing of the automobile.

5. The automobile rear axle housing processing fixture according to claim 4, characterized in that: One of the mounting plates is further provided with a sensor, which is close to the supporting block.

6. The automobile rear axle housing processing fixture according to claim 5, characterized in that: The processing fixture also includes a flattening component, which is arranged above the base. The flattening component can be close to or away from the base. The flattening component is used to adjust the angle of the rear axle housing of the automobile.

7. The automobile rear axle housing machining fixture according to claim 6, characterized in that: The clamping mechanism includes a third driving device and a horizontally arranged extrusion rod. The third driving device is arranged on the corresponding mounting plate, and the third driving device is used to drive the extrusion rod horizontally close to or away from the middle of the rear axle housing of the automobile.