Grinding device for inner ring of bearing retainer

By designing a bearing cage inner ring grinding device including driving assembly, fixing plate, driving rod and polishing and cleaning assembly, the problem of the grinding device in the prior art cannot be adjusted and cannot effectively clean up debris, and different specifications are achieved Efficient grinding and debris cleaning of bearings improve the accuracy and ease of use of bearings.

CN222520883UActive Publication Date: 2025-02-25SHANDONG LUZHU PRECISION BEARING CO LTD
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Patent Information

Application Number
CN202421109298.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-21
Publication Date
2025-02-25
Estimated Expiration
2034-05-21

AI Technical Summary

Technical Problem

The existing bearing cage grinding device cannot adjust the size of the grinding disc, resulting in only the bearings with fixed inner diameter size being polished, and the debris generated by the grinding cannot be effectively collected, affecting the bearing accuracy.

Method used

A bearing cage inner ring grinding device is designed including a work table, a mounting frame, a clamping mechanism, a drive assembly, a fixing plate, a drive rod and a grinding and cleaning assembly. By driving the assembly to telescope and rotation, the polishing and cleaning assembly can approach the bearing and clean the debris, and the bevel design allows the debris to fall directly into the collection box.

Benefits of technology

It realizes the polishing of bearing cages of different specifications, and effectively cleansing the polished debris, improving the accuracy and convenience of use of the bearing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bearing retainer inner ring polishing device which comprises a working table, the top end of the working table is fixedly connected with an installation frame, and a clamping mechanism is arranged on the working table. A polishing mechanism is arranged on the mounting frame and comprises a driving assembly, a polishing assembly and a polishing assembly, and the driving assembly is arranged on the mounting frame; the fixing plate is connected to the bottom end of the driving assembly; an adjusting groove is formed in the bottom end of the fixing plate, and the two ends of the driving rod are rotationally connected with an inner cavity of the adjusting groove in a penetrating and inserting mode; and the polishing and cleaning assembly is connected with the driving rod. By means of the arrangement mode that the driving assembly, the fixing plate, the driving rod and the polishing and cleaning assembly are matched, through rotation of the driving rod, the cleaning plate and the polishing plate can polish the bearing retainers of different specifications, meanwhile, scraps generated after polishing can be cleaned, and by means of the formed inclined face, the bearing retainers can be polished conveniently. And the cleaned chippings can directly fall into a collecting box below, and use is convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field related to grinding devices, in particular to a grinding device for the inner ring of a bearing retainer. Background Art

[0002] Bearings are an important component in modern mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy. In the production process of bearings, people generally use inner ring grinding devices for bearing manufacturing to grind the burrs on the inner ring of the bearings so that the roughness of the inner ring of the bearings meets the use standards.

[0003] The grinding disc on the existing bearing retainer grinding device is of fixed size and is fixedly installed on the rotating motor and cannot be adjusted, resulting in that only bearing retainers with a fixed inner diameter can be ground. This has certain limitations and is relatively inconvenient. In addition, the chips generated by grinding cannot be collected during grinding. In particular, when grinding the inner ring of the bearing, the grinding chips adhere to the inner surface of the bearing and are difficult to remove, making it difficult to clean up later and affecting the bearing accuracy. Utility Model Content

[0004] The utility model aims to provide a bearing retainer inner ring grinding device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: a bearing retainer inner ring grinding device, comprising a workbench, a mounting frame is fixedly connected to the top of the workbench, and a clamping mechanism is arranged on the workbench;

[0006] The mounting frame is provided with a grinding mechanism, and the grinding mechanism comprises:

[0007] A drive assembly, wherein the drive assembly is disposed on a mounting frame;

[0008] A fixing plate connected to the bottom end of the driving assembly;

[0009] A driving rod, wherein an adjusting slot is provided at the bottom end of the fixing plate, and both ends of the driving rod are rotatably connected with the inner cavity of the adjusting slot;

[0010] A grinding and cleaning assembly is connected to the driving rod.

[0011] Preferably, the driving assembly comprises:

[0012] A cylinder, wherein the cylinder is fixedly mounted on the top of the mounting frame;

[0013] A fixed frame, the output end of the cylinder is drivingly connected to the fixed frame;

[0014] The motor is fixedly installed inside the fixing frame, and the output end of the motor is drivingly connected to the fixing plate.

[0015] Preferably, the grinding and cleaning assembly comprises:

[0016] A movable plate, wherein a plurality of movable plates form a lead screw transmission with the driving rod, and the cross section of the movable plate is L-shaped;

[0017] A mounting assembly, wherein the mounting assembly is disposed on a plurality of movable plates;

[0018] A cleaning plate, the cleaning plate being connected to the outer wall of one of the movable plates through a mounting assembly, and the bottom end of the cleaning plate being provided with an inclined surface;

[0019] A grinding plate is connected to an outer wall of another movable plate through a mounting assembly.

[0020] Preferably, the installation assembly includes:

[0021] Mounting rods, the outer walls of the plurality of movable plates are provided with mounting grooves, the plurality of mounting rods are fixedly connected to the cleaning plate and the polishing plate respectively, and the mounting rods are slidably interlaced with the inner cavity of the mounting grooves;

[0022] A positioning rod, wherein a positioning groove is formed at the top of the inner wall of the mounting groove, a positioning hole is formed at the bottom of the inner wall of the mounting groove, one end of the positioning rod is slidably inserted and connected with the inner cavity of the positioning groove, and the other end of the positioning rod passes through the mounting rod and is slidably inserted and connected with the inner cavity of the positioning hole;

[0023] A pull rod, the pull rod is fixedly connected to the outer wall of the positioning rod, the outer wall of the movable plate is provided with a pull groove, and the pull rod is slidably interlaced with the inner cavity of the pull groove;

[0024] A clamping piece, wherein the clamping piece is fixedly connected to the bottom end of the pull rod, and a clamping groove is provided on the outer wall of the movable plate, and the clamping piece is slidably inserted and connected with the inner cavity of the clamping groove;

[0025] A compression spring is located inside the positioning groove.

[0026] Preferably, one end of the compression spring is fixedly connected to the positioning rod, and the other end of the compression spring is fixedly connected to the inner wall of the positioning groove.

[0027] Preferably, a collecting trough is provided at the top of the workbench, and a collecting box is slidably and interlacedly connected to one side of the collecting trough.

[0028] Technical effects and advantages of the utility model:

[0029] The utility model utilizes a driving component, a fixing plate, a driving rod and a grinding and cleaning component in a coordinated arrangement. The fixing plate can be started by the driving component to make the fixing plate extend and rotate, thereby making the grinding and cleaning component close to the bearing retainer fixed by the clamping mechanism, and the cleaning plate and the grinding plate can be respectively contacted with two sides of the inner wall of the bearing retainer by the rotation of the driving rod, thereby being able to grind bearing retainers of different specifications and clean up the grinding debris at the same time, and utilizing the inclined surface to make the cleaned debris fall directly into the collection box below, which is convenient for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0031] Figure 2 It is a schematic diagram of the overall front internal structure of the utility model.

[0032] Figure 3 It is a schematic diagram of the internal structure of the grinding mechanism of the utility model from the front.

[0033] Figure 4 It is a schematic diagram of the internal structure of the front side of the fixing plate of the utility model.

[0034] Figure 5 This is a schematic diagram of the internal structure of the front side of the installation component of the utility model.

[0035] In the figure: 1. workbench; 2. mounting frame; 3. clamping mechanism; 4. grinding mechanism; 41. driving assembly; 411. cylinder; 412. fixing frame; 413. motor; 42. fixing plate; 43. driving rod; 44. grinding and cleaning assembly; 441. moving plate; 442. mounting assembly; 4421. mounting rod; 4422. positioning rod; 4423. pulling rod; 4424. clamping piece; 4425. compression spring; 443. cleaning plate; 444. grinding plate; 5. collection box. DETAILED DESCRIPTION

[0036] 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.

[0037] The utility model provides Figure 1-5A bearing retainer inner ring grinding device shown includes a workbench 1, a mounting frame 2 is fixedly connected to the top of the workbench 1, a clamping mechanism 3 is provided on the workbench 1, and the clamping mechanism 3 is an existing telescopic cylinder that drives a clamping plate to move, so that bearing retainers of different specifications can be clamped and fixed, which is convenient for subsequent grinding operations;

[0038] Furthermore, a grinding mechanism 4 is provided on the mounting frame 2, and the grinding mechanism 4 includes: a driving assembly 41, a fixing plate 42, a driving rod 43 and a grinding and cleaning assembly 44, the driving assembly 41 is provided on the mounting frame 2; the fixing plate 42 is connected to the bottom end of the driving assembly 41; an adjusting groove is opened at the bottom end of the fixing plate 42, and both ends of the driving rod 43 are rotatably connected with the inner cavity of the adjusting groove; the grinding and cleaning assembly 44 is connected to the driving rod 43.

[0039] Specifically, the driving assembly 41 includes: a cylinder 411, a fixing frame 412 and a motor 413. The cylinder 411 is fixedly installed on the top of the mounting frame 2; the output end of the cylinder 411 is transmission-connected to the fixing frame 412; the motor 413 is fixedly installed inside the fixing frame 412, and the output end of the motor 413 is transmission-connected to the fixing plate 42. The cylinder 411 and the motor 413 are electrically connected to an external power supply through an external switch. Through the cylinder 411, the fixing frame 412 can drive the motor 413 and the fixing plate 42 to move in the vertical direction, so that the bearing retainer can be polished and disassembled at any time.

[0040] Specifically, the grinding and cleaning assembly 44 includes: a moving plate 441, a mounting assembly 442, a cleaning plate 443, and a grinding plate 444. The plurality of moving plates 441 form a screw transmission with the driving rod 43, and the cross-section of the moving plate 441 is L-shaped; the mounting assembly 442 is arranged on the plurality of moving plates 441; the cleaning plate 443 is connected to the outer wall of one of the moving plates 441 through the mounting assembly 442, and an inclined surface is provided at the bottom end of the cleaning plate 443, and a collecting groove is provided at the top end of the workbench 1, and a collecting box 5 is slidably inserted and connected to one side of the collecting groove, and the opening of the inclined surface allows the cleaning plate 443 to rotate when rotating. The debris generated by the grinding plate 444 can be scraped off into the collection box 5 below; the grinding plate 444 is connected to the outer wall of another movable plate 441 through the installation component 442, and the multiple movable plates 441 can be moved closer to or away from each other by rotating the driving rod 43, and the cleaning plate 443 and the grinding plate 444 can respectively contact the two sides of the inner wall of the bearing retainer, so that bearing retainers of different specifications can be ground while cleaning the grinding debris, and the cleaned debris can be directly dropped into the collection box 5 below by using the inclined surface, which is convenient for use.

[0041] Furthermore, the mounting assembly 442 includes: a mounting rod 4421, a positioning rod 4422, a pull rod 4423, a clamping member 4424 and a compression spring 4425. The outer walls of the plurality of movable plates 441 are provided with mounting grooves. The plurality of mounting rods 4421 are respectively fixedly connected to the cleaning plate 443 and the polishing plate 444. The mounting rods 4421 are slidably connected with the inner cavity of the mounting groove. A positioning groove is provided at the top end of the inner wall of the mounting groove, a positioning hole is provided at the bottom end of the inner wall of the mounting groove, and one end of the positioning rod 4422 is connected with the inner cavity of the positioning groove. Sliding and inserting connection, the other end of the positioning rod 4422 passes through the installation rod 4421 and is slidably inserted into the inner cavity of the positioning hole; the pull rod 4423 is fixedly connected to the outer wall of the positioning rod 4422, and a pull groove is opened on the outer wall of the movable plate 441, and the pull rod 4423 is slidably inserted into the inner cavity of the pull groove; the clamping piece 4424 is fixedly connected to the bottom end of the pull rod 4423, and a clamping groove is opened on the outer wall of the movable plate 441, and the clamping piece 4424 is slidably inserted into the inner cavity of the clamping groove; the compression spring 4425 is located inside the positioning groove. One end of the compression spring 4425 is fixedly connected to the positioning rod 4422, and the other end of the compression spring 4425 is fixedly connected to the inner wall of the positioning groove. The compression spring 4425 is always in a compressed state, so that it can always provide a downward elastic force to the positioning rod 4422, and thus can be inserted into the positioning hole opened by the installation rod 4421, so as to facilitate the installation of the cleaning plate 443 and the grinding plate 444. When the clamping piece 4424 is clamped with the clamping groove, it can prevent accidental separation during operation. When disassembling, you only need to release the clamping piece 4424 and the clamping groove, and then pull the pull rod 4423 to make the positioning rod 4422 separate from the positioning hole, so that disassembly is also convenient.

[0042] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bearing retainer inner ring grinding device, comprising: A workbench (1), the top of which is fixedly connected to a mounting frame (2), and a clamping mechanism (3) is provided on the workbench (1); The invention is characterized in that: a grinding mechanism (4) is arranged on the mounting frame (2), and the grinding mechanism (4) comprises: A driving assembly (41), wherein the driving assembly (41) is arranged on the mounting frame (2); A fixing plate (42), wherein the fixing plate (42) is connected to the bottom end of the driving assembly (41); A driving rod (43), wherein an adjusting groove is provided at the bottom end of the fixing plate (42), and both ends of the driving rod (43) are rotatably connected with the inner cavity of the adjusting groove; A grinding and cleaning assembly (44), wherein the grinding and cleaning assembly (44) is connected to the driving rod (43).

2. A bearing retainer inner ring grinding device according to claim 1, characterized in that: The driving assembly (41) comprises: A cylinder (411), wherein the cylinder (411) is fixedly mounted on the top of the mounting frame (2); A fixed frame (412), the output end of the cylinder (411) is drivingly connected to the fixed frame (412); A motor (413) is fixedly installed inside the fixing frame (412), and an output end of the motor (413) is drivingly connected to the fixing plate (42).

3. A bearing retainer inner ring grinding device according to claim 1, characterized in that: The grinding and cleaning assembly (44) comprises: A movable plate (441), wherein a plurality of movable plates (441) form a screw transmission with the driving rod (43), and a cross section of the movable plate (441) is L-shaped; A mounting assembly (442), wherein the mounting assembly (442) is disposed on a plurality of movable plates (441); A cleaning plate (443), the cleaning plate (443) being connected to the outer wall of one of the movable plates (441) via a mounting assembly (442), and a slope being formed at the bottom end of the cleaning plate (443); A grinding plate (444), wherein the grinding plate (444) is connected to the outer wall of another movable plate (441) through a mounting assembly (442).

4. A bearing retainer inner ring grinding device according to claim 3, characterized in that: The mounting assembly (442) includes: Mounting rods (4421), the outer walls of the plurality of movable plates (441) are each provided with a mounting groove, the plurality of mounting rods (4421) are respectively fixedly connected to the cleaning plate (443) and the polishing plate (444), and the mounting rods (4421) are slidably interlaced with the inner cavity of the mounting groove; A positioning rod (4422), wherein a positioning groove is formed at the top end of the inner wall of the installation groove, and a positioning hole is formed at the bottom end of the inner wall of the installation groove, one end of the positioning rod (4422) is slidably inserted and connected with the inner cavity of the positioning groove, and the other end of the positioning rod (4422) passes through the installation rod (4421) and is slidably inserted and connected with the inner cavity of the positioning hole; A pull rod (4423), wherein the pull rod (4423) is fixedly connected to the outer wall of the positioning rod (4422), a pull groove is provided on the outer wall of the movable plate (441), and the pull rod (4423) is slidably interlaced with the inner cavity of the pull groove; A clamping member (4424), wherein the clamping member (4424) is fixedly connected to the bottom end of the pull rod (4423), and a clamping groove is provided on the outer wall of the movable plate (441), and the clamping member (4424) is slidably inserted and connected with the inner cavity of the clamping groove; A compression spring (4425), wherein the compression spring (4425) is located inside the positioning groove.

5. A bearing retainer inner ring grinding device according to claim 4, characterized in that: One end of the compression spring (4425) is fixedly connected to the positioning rod (4422), and the other end of the compression spring (4425) is fixedly connected to the inner wall of the positioning groove.

6. A bearing retainer inner ring grinding device according to claim 1, characterized in that: The top of the workbench (1) is provided with a collecting groove, and one side of the collecting groove is slidably and interlacedly connected with a collecting box (5).