Polishing device for precision bearing production

By designing a fixing and cooling mechanism suitable for bearings of different sizes, the problem of needing to replace fixtures in existing bearing grinding devices has been solved, improving processing efficiency and convenience.

CN223544842UActive Publication Date: 2025-11-14HENAN ZHONGZHENG PERCISION BEARING LTD
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Patent Information

Application Number
CN202423082456.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-11-14
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

The fixtures of existing bearing grinding equipment are usually designed according to specific dimensions. The fixtures need to be changed to adapt to workpieces of different sizes, which affects the processing efficiency.

Method used

A grinding device including a fixing mechanism and a cooling mechanism was designed. The fixing mechanism uses components such as cylinders, L-shaped plates, racks, gears, and motors to position and fix bearings of different sizes. The cooling mechanism uses a submersible pump, water pipes, and nozzles to achieve rapid cooling.

Benefits of technology

It achieves efficient fixing and rapid cooling of bearings of different sizes, improving processing efficiency and convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of bearings, and particularly relates to a polishing device for precision bearing production, which comprises a machining table. The mounting frame is fixedly mounted at the top of the processing table; the electric telescopic rod is fixedly mounted at the top of the mounting frame; an output shaft of the electric telescopic rod penetrates through an inner cavity of the mounting frame and is fixedly connected with the moving plate; the grinding head is fixedly mounted at the bottom of the moving plate; the fixing mechanisms are located on the two sides of the top of the machining table, and the fixing mechanisms are used for positioning bearings of different sizes; according to the bearing polishing device, through cooperative use of the fixing mechanisms, bearings of different sizes can be fixed, the machining efficiency is improved, through cooperative use of the cooling mechanisms, polished workpieces can be rapidly cooled, and workers can conveniently take the polished workpieces.
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Description

Technical Field

[0001] This utility model relates to the field of bearing technology, and in particular to a grinding device for the production of precision bearings. Background Technology

[0002] Precision bearings are bearings manufactured with high precision and with strict tolerance control. They are typically used in equipment that requires high performance and stability. Their main characteristics include low friction, high load capacity, excellent rotational accuracy, long service life, and high stability. Precision bearings are widely used in fields such as machine tools, aerospace, precision instruments, and electronic equipment.

[0003] In existing bearing grinding processes, the fixing fixtures used are usually designed according to specific bearing dimensions. When it is necessary to fix workpieces of different sizes, it is also necessary to change the corresponding fixtures, which affects the processing efficiency. Therefore, this utility model proposes a grinding device for precision bearing production to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to address the problem that existing bearing grinding fixtures are usually designed for specific bearing dimensions. When fixing workpieces of different sizes, it is necessary to change the fixtures, which affects processing efficiency. Therefore, this invention proposes a grinding device for precision bearing production.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A grinding device for precision bearing manufacturing, comprising:

[0007] Processing table;

[0008] Mounting frame, which is fixedly mounted on the top of the processing table;

[0009] An electric telescopic pole, which is fixedly installed on the top of the mounting frame;

[0010] The movable plate, wherein the output shaft of the electric telescopic rod passes through the inner cavity of the mounting frame and is fixedly connected to the movable plate;

[0011] A grinding head, which is fixedly installed on the bottom of the movable plate;

[0012] A fixing mechanism is located on both sides of the top of the processing table. The fixing mechanism is used to position bearings of different sizes.

[0013] A cooling mechanism is located on the front side of the moving plate and is used to quickly cool the workpiece after grinding.

[0014] As a preferred embodiment of this utility model, the fixing mechanism includes: a cylinder, an L-shaped plate, a rack, a gear, a rotating rod, a positioning box, a motor, a lead screw, a threaded sleeve, and a clamping plate;

[0015] The machining table has a mounting hole on the left side, and the cylinder is fixedly installed in the inner cavity of the mounting hole. There are two L-shaped plates, both of which are set on both sides of the top of the machining table's inner cavity. The output shaft on the right side of the cylinder passes through the inner cavity of the machining table and is fixedly connected to one of the L-shaped plates. The opposite sides of the two L-shaped plates are fixedly connected to racks. The opposite sides of the two racks mesh with gears. The top of the gear is fixedly connected to a rotating rod. The top of the rotating rod is rotatably connected to the top of the machining table's inner cavity through a rotating shaft. The top of the L-shaped plate passes through the machining table and is fixedly connected to the positioning box. There are two motors, both of which are fixedly installed in the inner cavities of the two positioning boxes. The output ends of the motors on the front and rear sides are fixedly connected to lead screws. The end of the lead screw away from the motor is rotatably connected to the inner wall of the positioning box through a rotating shaft. There are four threaded sleeves, all of which are movably fitted onto the surfaces of the four lead screws. The end of the threaded sleeve away from the lead screw passes through the positioning box and is fixedly connected to the clamping plate. There are four clamping plates.

[0016] As a preferred embodiment of this utility model, the cooling mechanism includes: a water tank, a submersible pump, a water pipe retaining sleeve, and a nozzle;

[0017] The water tank is fixedly installed on the right side of the processing table. The submersible pump is located at the bottom of the inner cavity of the water tank. The top of the submersible pump is connected to the water pipe. The end of the water pipe away from the submersible pump passes through the inner cavity of the mounting frame and is located in front of the moving plate. The stabilizing sleeve is fixedly fitted on the surface of the water pipe. The rear side of the stabilizing sleeve is fixedly connected to the moving plate. The surface of the water pipe and both sides of the stabilizing sleeve are connected to the nozzle.

[0018] As a preferred embodiment of this utility model, a collection box is slidably connected to the bottom of the inner cavity of the processing table, a handle is fixedly connected to the front side of the collection box, and drain outlets are provided on the front and rear sides of the top of the processing table.

[0019] As a preferred embodiment of this utility model, sliding grooves are provided on both sides of the inner cavity of the mounting frame, and guide rails are provided on both sides of the moving plate, with the sliding grooves and guide rails being compatible.

[0020] As a preferred embodiment of this utility model, limit openings are provided on the front and rear sides of the two positioning boxes on opposite sides, and the limit openings are adapted to the threaded sleeves.

[0021] Beneficial effects:

[0022] 1. By activating the cylinder, one of the L-shaped plates and the rack moves. Then, one of the racks drives the gear to rotate, and the gear drives the other rack and the L-shaped plate to move, thereby bringing the two positioning boxes closer to each other. Then, by activating the motor, the lead screw rotates, and the lead screw drives the threaded sleeve and the clamping plate to move. When the clamping plate moves, it can fix bearings of different sizes, improving processing efficiency.

[0023] 2. By turning on the submersible pump and using it in conjunction with the water pipe and nozzle, coolant can be sprayed from the nozzle to quickly cool the polished workpiece, making it easier for workers to handle.

[0024] In this invention: the fixing mechanism can be used to fix bearings of different sizes, improving processing efficiency; the cooling mechanism can be used to quickly cool the workpiece after grinding, making it convenient for workers to handle. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of this utility model;

[0026] Figure 2 This is a schematic diagram of the processing table and nozzle structure of this utility model;

[0027] Figure 3 This is a cross-sectional view of the processing table of this utility model;

[0028] Figure 4 This is a cross-sectional view of the positioning box of this utility model.

[0029] In the diagram: 1. Processing table; 2. Mounting frame; 3. Electric telescopic rod; 4. Moving plate; 5. Grinding head; 6. Cylinder; 7. L-shaped plate; 8. Rack; 9. Gear; 10. Rotating rod; 11. Positioning box; 12. Motor; 13. Lead screw; 14. Threaded sleeve; 15. Clamping plate; 16. Water tank; 17. Submersible pump; 18. Water pipe; 19. Stabilizing sleeve; 20. Nozzle; 21. Collection box; 22. Handle. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0031] Example

[0032] Reference Figures 1-4 A grinding device for precision bearing production, comprising:

[0033] Processing table 1;

[0034] Mounting frame 2 is fixedly installed on the top of processing table 1;

[0035] Electric telescopic pole 3 is fixedly installed on the top of the mounting frame 2;

[0036] The output shaft of the movable plate 4 and the electric telescopic rod 3 passes through the inner cavity of the mounting frame 2 and is fixedly connected to the movable plate 4.

[0037] Grinding head 5 is fixedly installed at the bottom of the movable plate 4;

[0038] The fixing mechanism is located on both sides of the top of the machining table 1. The fixing mechanism is used to position bearings of different sizes.

[0039] The cooling mechanism is located on the front side of the moving plate 4 and is used to quickly cool the workpiece after grinding.

[0040] As a preferred embodiment of this utility model, the fixing mechanism includes: a cylinder 6, an L-shaped plate 7, a rack 8, a gear 9, a rotating rod 10, a positioning box 11, a motor 12, a lead screw 13, a threaded sleeve 14, and a clamping plate 15.

[0041] A mounting hole is provided on the left side of the machining table 1. A cylinder 6 is fixedly installed in the inner cavity of the mounting hole. There are two L-shaped plates 7, both of which are located on both sides of the top of the inner cavity of the machining table 1. The output shaft on the right side of the cylinder 6 passes through the inner cavity of the machining table 1 and is fixedly connected to one of the L-shaped plates 7. The opposite sides of the two L-shaped plates 7 are fixedly connected to racks 8. The opposite sides of the two racks 8 mesh with gears 9. The top of the gears 9 is fixedly connected to a rotating rod 10. The top of the rotating rod 10 is rotatably connected to the top of the inner cavity of the machining table 1 via a rotating shaft. The top of the L-shaped plates 7 passes through the machining table 1 and is fixedly connected to the positioning box 11. There are two motors 12, both of which are fixedly installed in the inner cavities of the two positioning boxes 11. The output ends of the front and rear sides of the motors 12 are fixedly connected to lead screws 13. The end of the lead screw 13 away from the motor 12 is rotatably connected to the inner wall of the positioning box 11 via a rotating shaft. There are four threaded sleeves 14, which are movably fitted onto the surfaces of the four lead screws 13. The end of the threaded sleeve 14 away from the lead screw 13 passes through the positioning box 11 and is fixedly connected to the clamping plate 15. There are four clamping plates 15. By opening the cylinder 6, one of the L-shaped plates 7 and the rack 8 are moved. Then, one of the racks 8 drives the gear 9 to rotate. Then, the gear 9 drives another rack 8 and the L-shaped plate 7 to move, thereby moving the two positioning boxes 11 closer to each other. Then, by opening the motor 12, the lead screw 13 is rotated. The lead screw 13 drives the threaded sleeves 14 and the clamping plates 15 to move. When the clamping plates 15 move, they can fix bearings of different sizes, improving processing efficiency.

[0042] As a preferred embodiment of this utility model, the cooling mechanism includes: a water tank 16, a submersible pump 17, a water pipe 18, a stabilizing sleeve 19, and a nozzle 20;

[0043] The water tank 16 is fixedly installed on the right side of the processing table 1. The submersible pump 17 is located at the bottom of the inner cavity of the water tank 16. The top of the submersible pump 17 is connected to the water pipe 18. The end of the water pipe 18 away from the submersible pump 17 passes through the inner cavity of the mounting frame 2 and is located in front of the moving plate 4. The stabilizing sleeve 19 is fixedly fitted on the surface of the water pipe 18. The rear side of the stabilizing sleeve 19 is fixedly connected to the moving plate 4. The surface of the water pipe 18 and both sides of the stabilizing sleeve 19 are connected to the nozzle 20. By turning on the submersible pump 17 and using it in conjunction with the water pipe 18 and the nozzle 20, coolant can be sprayed out from the nozzle 20 to quickly cool the polished workpiece and make it convenient for workers to handle.

[0044] As a preferred embodiment of this utility model, a collection box 21 is slidably connected to the bottom of the inner cavity of the processing table 1, and a handle 22 is fixedly connected to the front side of the collection box 21. Drains are provided on the front and rear sides of the top of the processing table 1. The coolant can be easily recovered by providing drains, and the coolant can be centrally processed by providing collection boxes 21.

[0045] As a preferred embodiment of this utility model, sliding grooves are provided on both sides of the inner cavity of the mounting frame 2, and guide rails are provided on both sides of the moving plate 4. The sliding grooves and guide rails are adapted to each other. Through the cooperation of the sliding grooves and guide rails, the stability of the moving plate 4 when moving can be improved.

[0046] As a preferred embodiment of this utility model, limit openings are provided on the front and rear sides of the two positioning boxes 11 on opposite sides. The limit openings are adapted to the threaded sleeve 14. By providing the limit openings, the threaded sleeve 14 can easily drive the clamping plate 15 to move.

[0047] With the above structure, bearings of different sizes can be fixed by the fixing mechanism, improving processing efficiency. With the cooling mechanism, the workpiece can be cooled down quickly after grinding, making it easier for workers to handle.

[0048] It should be noted that all electrical equipment used in this application is powered by an external power source. The specific models of electric telescopic rods 3, cylinders 6, motors 12, and submersible pumps 17 used can be selected by those skilled in the art. Furthermore, the electric telescopic rods 3, cylinders 6, motors 12, and submersible pumps 17 mentioned above are all existing technologies and will not be elaborated upon in this solution.

[0049] The working principle of this utility model is as follows: In use, the cylinder 6 is turned on to move one of the L-shaped plates 7 and the rack 8. Then, one of the racks 8 drives the gear 9 to rotate, and the gear 9 drives the other rack 8 and the L-shaped plate 7 to move, thereby moving the two positioning boxes 11 closer to each other. Then, the motor 12 is turned on to drive the lead screw 13 to rotate. The lead screw 13 drives the threaded sleeve 14 and the clamping plate 15 to move. When the clamping plate 15 moves, it can fix bearings of different sizes, improving processing efficiency. After the bearings are polished, the submersible pump 17 can be turned on in conjunction with the water pipe 18 and the nozzle 20 to spray coolant from the nozzle 20 to quickly cool the polished workpiece, making it convenient for workers to handle.

[0050] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A grinding device for precision bearing production, characterized in that, include: Processing table (1); Mounting frame (2), which is fixedly mounted on the top of the processing table (1); An electric telescopic rod (3) is fixedly installed on the top of the mounting frame (2); The output shaft of the electric telescopic rod (3) passes through the inner cavity of the mounting frame (2) and is fixedly connected to the movable plate (4); Grinding head (5), which is fixedly installed on the bottom of the movable plate (4); The fixing mechanism is located on both sides of the top of the processing table (1). The fixing mechanism is used to position bearings of different sizes. The cooling mechanism is located on the front side of the movable plate (4) and is used to quickly cool the workpiece after grinding.

2. The grinding device for precision bearing production according to claim 1, characterized in that, The fixing mechanism includes: a cylinder (6), an L-shaped plate (7), a rack (8), a gear (9), a rotating rod (10), a positioning box (11), a motor (12), a lead screw (13), a threaded sleeve (14), and a clamping plate (15); A mounting hole is provided on the left side of the machining table (1). The cylinder (6) is fixedly installed in the inner cavity of the mounting hole. There are two L-shaped plates (7). Both L-shaped plates (7) are set on both sides of the top of the inner cavity of the machining table (1). The output shaft on the right side of the cylinder (6) passes through the inner cavity of the machining table (1) and is fixedly connected to one of the L-shaped plates (7). The opposite sides of the two L-shaped plates (7) are fixedly connected to the rack (8). The opposite sides of the two racks (8) mesh with the gear (9). The top of the gear (9) is fixedly connected to the rotating rod (10). The top of the rotating rod (10) is rotatably connected to the top of the inner cavity of the machining table (1) through the rotating shaft. The top of the L-shaped plate (7) passes through the inner cavity of the machining table (1). The processing table (1) is fixedly connected to the positioning box (11). There are two motors (12). Both motors (12) are fixedly installed in the inner cavity of the two positioning boxes (11). The output ends of the front and rear sides of the motors (12) are fixedly connected to the lead screws (13). The end of the lead screw (13) away from the motor (12) is rotatably connected to the inner wall of the positioning box (11) through a rotating shaft. There are four threaded sleeves (14). The four threaded sleeves (14) are movably sleeved on the surface of the four lead screws (13). The end of the threaded sleeve (14) away from the lead screw (13) passes through the positioning box (11) and is fixedly connected to the clamping plate (15). There are four clamping plates (15).

3. The grinding device for precision bearing production according to claim 1, characterized in that, The cooling mechanism includes: a water tank (16), a submersible pump (17), a water pipe (18), a retaining sleeve (19), and a nozzle (20); The water tank (16) is fixedly installed on the right side of the processing table (1). The submersible pump (17) is located at the bottom of the inner cavity of the water tank (16). The top of the submersible pump (17) is connected to the water pipe (18). The end of the water pipe (18) away from the submersible pump (17) passes through the inner cavity of the mounting frame (2) and is located in front of the moving plate (4). The stabilizing sleeve (19) is fixedly fitted on the surface of the water pipe (18). The rear side of the stabilizing sleeve (19) is fixedly connected to the moving plate (4). The surface of the water pipe (18) and both sides of the stabilizing sleeve (19) are connected to the nozzle (20).

4. The grinding device for precision bearing production according to claim 1, characterized in that, A collection box (21) is slidably connected to the bottom of the inner cavity of the processing table (1). A handle (22) is fixedly connected to the front side of the collection box (21). Drainage outlets are provided on the front and rear sides of the top of the processing table (1).

5. A grinding device for precision bearing production according to claim 1, characterized in that, The mounting frame (2) has sliding grooves on both sides of its inner cavity, and the movable plate (4) has guide rails on both sides. The sliding grooves and guide rails are compatible.

6. A grinding device for precision bearing production according to claim 2, characterized in that, The two positioning boxes (11) have limit openings on the front and rear sides of opposite sides, and the limit openings are adapted to the threaded sleeve (14).