A polishing device for aluminum alloy automobile castings

By introducing a clamping structure consisting of an mounting table, a rotating table, a limit chuck, and a fixing bolt into the aluminum alloy automotive casting grinding device, along with the cooperation of a support frame, a load-bearing platform, and a hydraulic cylinder, the problem of bending deformation caused by excessive clamping force during the grinding process of aluminum castings is solved, thus improving the functionality and flexibility of the device.

CN224587650UActive Publication Date: 2026-08-04TIANJIN SHENGJINTE AUTO PARTS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TIANJIN SHENGJINTE AUTO PARTS
Filing Date
2025-08-27
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

Existing grinding devices for automotive aluminum castings are prone to bending and deformation of the aluminum castings when the clamping force is too large, and the angle adjustment is inconvenient, which reduces the practicality of the device.

Method used

The system employs a clamping structure consisting of an mounting platform, a rotating platform, a limit seat, and a fixing bolt, combined with a drive assembly and a grinding unit, to achieve the limiting, fixing, and rotation of the aluminum alloy wheel hub; the support frame, load-bearing platform, and hydraulic cylinder work together to achieve grinding and polishing functions.

Benefits of technology

It achieves stable positioning and rotation of aluminum alloy wheel hubs, enhances the functionality and flexibility of the grinding device, avoids bending and deformation of aluminum castings during the grinding process, and improves the convenience of angle adjustment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of polishing devices for aluminum alloy automobile casting, it is related to automobile casting processing technical field, it is applicable to the polishing of aluminum alloy automobile hub, including processing table;PLC controller for control is arranged in the outer surface of the processing table;And protective box for protection is arranged in the outer surface of the processing table, the inner wall surface of the protective box is provided with clamping unit, the upper surface of the processing table is provided with polishing unit.The utility model can conveniently limit automobile hub by the mutual cooperation of installation platform, adjusting screw rod, moving block, mounting bracket, driving motor, driving roller, rotating platform, limit clamping seat and fixed peg one, while auxiliary driving automobile hub rotation, and then cooperate polishing unit and polish the outer surface of aluminum alloy hub, the mutual cooperation of support frame, bearing platform, fixed peg two, hydraulic cylinder, telescopic limit rod, lifting frame and polishing machine can polish the outer surface of aluminum alloy hub, to increase the flexibility of polishing device.
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Description

Technical Field

[0001] This utility model relates to the field of automotive casting processing technology, specifically to a grinding device for aluminum alloy automotive castings. Background Technology

[0002] Aluminum castings are equipment and components made of pure aluminum or aluminum alloys using a casting process. Generally, molten aluminum or aluminum alloy is poured into a mold cavity using a sand mold or metal mold, resulting in aluminum or aluminum alloy parts of various shapes and sizes, which are usually called aluminum die castings. Automotive aluminum castings are aluminum castings specifically used in automobiles.

[0003] In the prior art, patent document CN222779369U discloses a grinding device for automotive aluminum castings, relating to the field of automotive casting processing technology. It includes a worktable and a grinding bracket mounted on the worktable. A guide rail is provided on the worktable, and a first linear cylinder and a second linear cylinder are symmetrically arranged on the guide rail. A buffer clamp is provided on the inner wall of the first linear cylinder, and a ejector pin is provided on the inner wall of the second linear cylinder. A cylinder is mounted on the grinding bracket, and a mounting bracket is fixed to the output end of the cylinder. Fixing plates are fixed to both ends of the mounting bracket, and a motor is mounted on the outer side of one of the fixing plates. A reciprocating lead screw is fixed to the output shaft of the motor. This invention enables thorough grinding of aluminum castings, preventing bending and deformation that can easily occur during the grinding process.

[0004] To address the problem that existing automotive aluminum casting grinding devices exert excessive clamping force on aluminum castings, causing them to bend and deform during grinding, the current technology employs a clamping device with lower clamping force. However, this method still results in inconvenience in adjusting the angle of the parts during use, thus reducing the practicality of the grinding device. Summary of the Invention

[0005] The purpose of this invention is to provide a grinding device for aluminum alloy automotive castings to solve the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: A grinding device for aluminum alloy automotive castings, suitable for grinding aluminum alloy automotive wheel hubs, includes a processing table; a PLC controller disposed on the outer surface of the processing table for control; and a protective box disposed on the outer surface of the processing table for protection. The inner wall surface of the protective box is provided with a clamping unit, and the upper surface of the processing table is provided with a grinding unit. The clamping unit includes a placement component disposed on the upper surface of the processing table and a driving component disposed on the outer surface of the placement component. The grinding unit includes an adjustment component disposed on the upper surface of the processing table and a grinding component disposed on the outer surface of the adjustment component.

[0007] A further improvement of the present invention is that the placement component includes a mounting platform, the bottom surface of which is fixedly connected to the upper surface of the processing table, a rotating platform is rotatably connected to the upper surface of the mounting platform, a limiting seat is slidably connected to the inner wall of the rotating platform, and a fixing bolt is detachably connected to the outer surface of the limiting seat and movably engaged with the outer surface of the rotating platform.

[0008] By adopting the above technical solution, the aluminum alloy wheel hub can be conveniently fixed by the cooperation of the mounting platform, rotating platform, limiting bracket and fixing bolt.

[0009] A further improvement of the present invention is that the driving assembly includes an adjusting screw, the outer surface of which is fitted with a telescopic protective sleeve, the outer surface of which is rotatably connected to the inner wall of the mounting platform, one end of which is rotatably connected to a moving block, and the inner wall of which is slidably connected to a limiting rod that is detachably connected to the inner wall of the mounting platform.

[0010] A further improvement of this utility model is that: a mounting frame is fixedly connected to the upper surface of the moving block, a drive motor is detachably connected to the upper surface of the mounting frame, and a drive roller that is rotatably connected to the drive end of the drive motor is fixedly connected to the outer surface of the mounting frame.

[0011] By adopting the above technical solution, the interaction of adjusting screw, moving block, limit rod, mounting bracket, drive motor and drive roller can facilitate the rotation of automobile wheel hub.

[0012] A further improvement of the present invention is that the adjustment component includes a support frame, the bottom surface of the support frame is fixedly connected to the upper surface of the processing table, a load-bearing platform is slidably connected to the inner wall of the support frame, and a fixing bolt 2 is detachably connected to the inner wall of the load-bearing platform and is movably engaged with the outer surface of the support frame.

[0013] By adopting the above technical solution, the position of the support platform can be easily adjusted by the cooperation of the support frame, the load-bearing platform and the fixing bolt.

[0014] A further improvement of the present invention is that the grinding assembly includes a hydraulic cylinder, the bottom surface of the hydraulic cylinder is detachably connected to the upper surface of the support platform, and the telescopic end of the hydraulic cylinder is detachably connected to a lifting frame.

[0015] A further improvement of this utility model is that: the upper surface of the lifting frame is detachably connected to a telescopic limiting rod that is detachably connected to the outer surface of the support platform, and the outer surface of the lifting frame is detachably connected to a polishing machine.

[0016] By adopting the above technical solution, the outer surface of aluminum alloy wheel hubs can be easily ground and polished by the cooperation of hydraulic cylinders, lifting frames, telescopic limit rods and polishing machines.

[0017] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows: 1. This utility model provides a grinding device for aluminum alloy automotive castings. The device uses a mounting platform, adjusting screw, moving block, mounting frame, drive motor, drive roller, rotating table, limit card seat and fixing bolt in cooperation to conveniently limit the position of the car wheel hub, and at the same time assist in driving the car wheel hub to rotate, thereby cooperating with the grinding unit to grind the outer surface of the aluminum alloy wheel hub, thereby increasing the functionality of the grinding device.

[0018] 2. This utility model provides a grinding device for aluminum alloy automotive castings. The device uses a support frame, a load-bearing platform, a fixing bolt, a hydraulic cylinder, a telescopic limit rod, a lifting frame, and a polishing machine to facilitate the polishing of the outer surface of aluminum alloy wheel hubs, thereby increasing the flexibility of the grinding device. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a front structural diagram of the present invention; Figure 3 This is a schematic diagram of the clamping unit structure of this utility model; Figure 4 For the present utility model Figure 3 Enlarged view of point A; Figure 5 This is a schematic diagram of the grinding unit structure of this utility model.

[0020] In the diagram: 1. Processing table; 2. PLC controller; 3. Protective box; 4. Clamping unit; 41. Mounting table; 42. Adjusting screw; 43. Moving block; 44. Mounting frame; 45. Drive motor; 46. Drive roller; 47. Rotary table; 48. Limiting seat; 49. Fixing bolt one; 5. Grinding unit; 51. Support frame; 52. Load-bearing platform; 53. Fixing bolt two; 54. Hydraulic cylinder; 55. Telescopic limit rod; 56. Lifting frame; 57. Polishing machine. Detailed Implementation

[0021] The present invention will be further described in detail below with reference to embodiments: Example

[0022] like Figure 1-5As shown, this utility model provides a grinding device for aluminum alloy automotive castings, including a processing table 1; a PLC controller 2 disposed on the outer surface of the processing table 1 for control; and a protective box 3 disposed on the outer surface of the processing table 1 for protection. A clamping unit 4 is disposed on the inner wall surface of the protective box 3. A grinding unit 5 is disposed on the upper surface of the processing table 1. The clamping unit 4 includes a placement component disposed on the upper surface of the processing table 1 and a driving component disposed on the outer surface of the placement component. The grinding unit 5 includes an adjustment component disposed on the upper surface of the processing table 1 and a grinding component disposed on the outer surface of the adjustment component. The placement component includes a mounting platform 41, the bottom surface of which is fixedly connected to the upper surface of the processing table 1. A rotating platform 47 is rotatably connected to the upper surface of the mounting platform 41. A limit seat 48 is slidably connected to the inner wall of the rotating platform 47. A fixing bolt 49 is detachably connected to the outer surface of the limit seat 48 and is movably engaged with the outer surface of the rotating platform 47. The driving component includes an adjusting screw 42. A telescopic protective sleeve is fitted onto the outer surface of the adjusting screw 42. The outer surface of the adjusting screw 42 is rotatably connected to the inner wall of the mounting platform 41. One end of the adjusting screw 42 is rotatably connected to a moving block 43. The inner wall of the moving block 43 is slidably connected to a limiting rod that is detachably connected to the inner wall of the mounting platform 41. A mounting frame 44 is fixedly connected to the upper surface of the moving block 43. A drive motor 45 is detachably connected to the upper surface of the mounting frame 44. The drive end of the drive motor 45 is fixedly connected to a drive roller 46 that is rotatably connected to the outer surface of the mounting frame 44. When using the grinding device, first place the aluminum alloy wheel hub on the upper surface of the rotating platform 47. Then, rotate the fixing bolt 49 to adjust the distance between the limiting brackets 48. The mutual cooperation of the two limiting brackets 48 can help to clamp and limit the wheel hub. At the same time, rotate the adjusting screw 42 in conjunction with the limiting rod, the moving block 43 and the mounting frame 44 to adjust the position of the drive roller 46 so that the drive roller 46 is in contact with the outer surface of the wheel hub. Then, start the drive motor 45 to drive the wheel hub to rotate. Example

[0023] like Figure 1-5As shown, based on Embodiment 1, this utility model provides a technical solution: Preferably, the adjustment component includes a support frame 51, the bottom surface of the support frame 51 is fixedly connected to the upper surface of the processing table 1, a load-bearing platform 52 is slidably connected to the inner wall of the support frame 51, and a fixing bolt 53 that is detachably engaged with the outer surface of the support frame 51 is detachably connected to the inner wall of the load-bearing platform 52. The grinding component includes a hydraulic cylinder 54, the bottom surface of the hydraulic cylinder 54 is detachably connected to the upper surface of the load-bearing platform 52, and a lifting frame 56 is detachably connected to the telescopic end of the hydraulic cylinder 54. The upper surface of the lifting frame 56 is detachably connected to a telescopic limit rod 55, which is detachably connected to the outer surface of the support platform 52. The outer surface of the lifting frame 56 is detachably connected to a polishing machine 57. When it is necessary to grind and polish the outer surface of the wheel hub, firstly, by rotating the fixing bolt 2 53, the position of the polishing machine 57 in the horizontal direction is adjusted in conjunction with the support platform 52. After the adjustment is completed, the telescopic limit rod 55 is activated in conjunction with the hydraulic cylinder 54 and the lifting frame 56 to adjust the height of the polishing machine 57, and then the polishing machine 57 is used to assist in grinding and polishing the outer surface of the wheel hub.

[0024] The working principle of this grinding device for aluminum alloy automotive castings will be explained in detail below.

[0025] like Figure 1-5 As shown, when using the polishing device, first place the aluminum alloy wheel hub on the upper surface of the rotating table 47, then rotate the fixing bolt 49 to adjust the distance between the limit seats 48. The mutual cooperation of the two limit seats 48 can help clamp and limit the wheel hub. At the same time, rotate the adjusting screw 42 in conjunction with the limit rod, the moving block 43 and the mounting bracket 44 to adjust the position of the drive roller 46 so that the drive roller 46 is in contact with the outer surface of the wheel hub. Then start the drive motor 45 to drive the wheel hub to rotate. When it is necessary to polish the outer surface of the wheel hub, first rotate the fixing bolt 53 in conjunction with the load-bearing platform 52 to adjust the horizontal position of the polishing machine 57. After the adjustment is completed, start the telescopic limit rod 55 in conjunction with the hydraulic cylinder 54 and the lifting frame 56 to adjust the height of the polishing machine 57, and then use the polishing machine 57 to assist in polishing the outer surface of the wheel hub.

[0026] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A grinding device for aluminum alloy automotive castings, suitable for grinding aluminum alloy automotive wheel hubs, including a processing table (1). A PLC controller (2) is installed on the outer surface of the processing table (1) for control. And a protective box (3) disposed on the outer surface of the processing table (1) for protection, characterized in that: The inner wall surface of the protective box (3) is provided with a clamping unit (4), and the upper surface of the processing table (1) is provided with a grinding unit (5). The clamping unit (4) includes a placement component on the upper surface of the processing table (1) and a driving component on the outer surface of the placement component. The grinding unit (5) includes an adjustment component on the upper surface of the processing table (1) and a grinding component on the outer surface of the adjustment component.

2. The grinding device for aluminum alloy automotive castings according to claim 1, characterized in that: The placement assembly includes a mounting platform (41), the bottom surface of which is fixedly connected to the upper surface of the processing table (1), and a rotating table (47) is rotatably connected to the upper surface of the mounting platform (41). A limit seat (48) is slidably connected to the inner wall of the rotating table (47), and a fixing bolt (49) is detachably connected to the outer surface of the limit seat (48) and is movably engaged with the outer surface of the rotating table (47).

3. The grinding device for aluminum alloy automotive castings according to claim 2, characterized in that: The drive assembly includes an adjusting screw (42), the outer surface of which is fitted with a telescopic protective sleeve, the outer surface of which is rotatably connected to the inner wall of the mounting platform (41), one end of which is rotatably connected to a moving block (43), and the inner wall of the moving block (43) is slidably connected to a limiting rod that is detachably connected to the inner wall of the mounting platform (41).

4. The grinding device for aluminum alloy automotive castings according to claim 3, characterized in that: The upper surface of the movable block (43) is fixedly connected to a mounting frame (44), and the upper surface of the mounting frame (44) is detachably connected to a drive motor (45). The drive end of the drive motor (45) is fixedly connected to a drive roller (46) that is rotatably connected to the outer surface of the mounting frame (44).

5. A grinding device for aluminum alloy automotive castings according to claim 1, characterized in that: The adjustment assembly includes a support frame (51), the bottom surface of which is fixedly connected to the upper surface of the processing table (1), and a load-bearing platform (52) is slidably connected to the inner wall of the support frame (51). The inner wall of the load-bearing platform (52) is detachably connected to a fixing bolt (53) that is movably engaged with the outer surface of the support frame (51).

6. A grinding device for aluminum alloy automotive castings according to claim 5, characterized in that: The grinding assembly includes a hydraulic cylinder (54), the bottom surface of which is detachably connected to the upper surface of the support platform (52), and the telescopic end of which is detachably connected to a lifting frame (56).

7. A grinding device for aluminum alloy automotive castings according to claim 6, characterized in that: The upper surface of the lifting frame (56) is detachably connected to a telescopic limiting rod (55) which is detachably connected to the outer surface of the support platform (52), and the outer surface of the lifting frame (56) is detachably connected to a polishing machine (57).