Grinding head assembly for bearing inner ring

By introducing an adjustable grinding ring and loading/unloading components into the bearing inner ring grinding equipment, the problem of adaptability to bearing inner rings of different diameters has been solved, enabling rapid adjustment and stable loading/unloading, thereby improving production efficiency and reducing labor costs.

CN223961116UActive Publication Date: 2026-03-03SUZHOU JIANGREN PRECISION MACHINERY PROCESSING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

Existing bearing inner ring grinding equipment is difficult to adapt to bearing inner rings of different diameters, and frequent replacement of grinding heads leads to low production efficiency and high labor costs.

Method used

Design an adjustment component including a grinding ring, a guide rod, and a guide half-ring. By moving the guide half-ring on the guide rod, the position and spacing of the grinding ring can be quickly adjusted to adapt to bearing inner rings of different diameters. Combined with the loading and unloading component, the bearing can be stably loaded and unloaded by using the cooperation of a slider and a magnetic block.

Benefits of technology

The elimination of frequent grinding head replacements shortens equipment setup time, reduces downtime, improves production efficiency, and saves labor costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a polishing head assembly of a bearing inner ring, which comprises a polishing component, the polishing component comprises an equipment rack, a support frame and a plurality of polishing discs, the support frame is welded and connected to the top of the equipment rack, and the plurality of polishing discs are positioned on the lower surface of the support frame; and the adjusting component comprises a grinding ring, an inner groove, a guide rod, a guide semi-ring, a moving rod and a moving groove, and the inner groove is formed in the inner surface of the grinding disc. When the device is actually used, the device is mostly designed and configured around a bearing with a specific inner ring diameter, once the diameter of the inner ring of the bearing to be polished is changed, polishing equipment is difficult to deal with, and due to the limitation of the equipment, when bearing inner rings with different diameters are encountered, the inner ring diameter of the bearing to be polished is changed. In the prior art, grinding heads with different diameters and matched with the grinding heads need to be replaced if the grinding heads are replaced frequently, so that a large amount of time and labor cost are wasted, and the production efficiency is greatly reduced.
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Description

Technical Field

[0001] This utility model relates to the field of bearing processing technology, specifically to a grinding head assembly for the inner ring of a bearing. Background Technology

[0002] In the bearing manufacturing process, the grinding process of the bearing inner ring is a core step. The surface quality of the inner wall of the bearing inner ring directly affects key performance indicators such as the bearing's rotational accuracy, frictional torque, vibration, and noise level.

[0003] A search revealed a grinding head assembly for a bearing inner ring, with publication number CN222449524U. This grinding head assembly aims to solve the technical problems of existing technologies lacking dust collection capabilities, unstable clamping during grinding, and cumbersome operation. The grinding head assembly for a bearing inner ring includes a frame, a grinding component, a clamping component, a vibrating feed plate, and a feeding channel. When grinding the bearing inner ring, this grinding head assembly isolates dust, preventing dust spillage. Combined with a dust removal component at the open end, it promptly absorbs dust and debris generated during grinding, ensuring a clean grinding environment. Simultaneously, the clamping component moves the bearing out of the feeding channel outlet and centers it, ensuring stable bearing positioning and good inward grinding effect. Automatic loading and unloading of the bearing is achieved through the vibrating feed plate and drive belt, greatly improving the efficiency of bearing grinding.

[0004] However, in actual use, most of the above-mentioned devices are designed and configured around bearings with a specific inner ring diameter. Once the inner ring diameter of the bearing to be ground changes, the grinding equipment will have difficulty coping. Due to the limitations of the equipment itself, it can only be adapted to bearings with a single inner ring diameter. When encountering bearings with different inner ring diameters, it is necessary to replace the grinding head with a different diameter to match. This frequent replacement of grinding heads not only wastes a lot of time and labor costs, but also greatly reduces production efficiency. Utility Model Content

[0005] The purpose of this utility model is to provide a grinding head assembly for the inner ring of a bearing, so as to solve the problems mentioned in the background art. To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model relates to a grinding head assembly for the inner ring of a bearing, comprising:

[0007] A grinding component, comprising an equipment frame, a support frame, and grinding discs, wherein the support frame is welded to the top of the equipment frame, and multiple grinding discs are located on the lower surface of the support frame;

[0008] The adjustment component includes a grinding ring, an inner groove, a guide rod, a guide half-ring, a moving rod, and a moving slot. The inner groove is formed on the inner surface of the grinding disc, the guide rod is connected to the inner surface of the inner groove, the guide ring is movably connected to the outer surface of the guide rod, the grinding ring is located on the outer surface of the grinding disc, the outer end of the guide ring is connected to the outer surface of the grinding ring, the moving slot is formed on the top of the grinding disc, and the moving rod is connected to the top of the guide ring and movably connected inside the moving slot.

[0009] Furthermore, the adjustment component also includes a processing disc and an inner groove, the processing disc being located at the top of the equipment frame, and the inner groove being formed at the top of the processing disc.

[0010] Furthermore, it also includes a fixing component, which includes a fastening ring connected to the outer surface of the moving rod and fitted to the top of the grinding disc.

[0011] Furthermore, the top of the grinding disc has a slot, and the bottom of the fastening ring is connected to an insert plate, which is inserted into the inside of the slot.

[0012] Furthermore, the grinding component also includes a support plate, a hydraulic pump, and a hydraulic rod. The support plate is connected between two support frames, the hydraulic pump is connected to the top of the support plate, and the hydraulic rod is connected between the support plate and the grinding plate.

[0013] Furthermore, it also includes loading and unloading components, which include a push plate, a vertical plate, a slide groove, and a slider. The slider is located on both sides of the outer surface of the processing tray, the vertical plate is connected to the top of the equipment frame, the slide groove is opened inside the vertical plate, the slider is movably connected inside the slide groove, and the push plate is connected to one end of the outer surface of the processing tray.

[0014] Furthermore, the loading and unloading components also include a positioning hole, a fixing plate, and a positioning rod. The positioning hole is opened at one end of the inner surface of the slide groove, the positioning rod is connected to one end of the slider and inserted into the interior of the positioning hole, and the fixing plate is connected to the other end of the outer surface of the processing plate.

[0015] Furthermore, the loading and unloading components also include an adsorption tank and a magnetic block. The adsorption tank is located at one end of the outer surface of the vertical plate, and the magnetic block is connected to one end of the push plate and adsorbs inside the adsorption tank.

[0016] This utility model has the following beneficial effects:

[0017] This invention features a grinding ring on the outside of a grinding disc, and guide rods and guide rings inside the grinding disc. Multiple grinding rings surround the outside of the grinding disc, while guide rods are installed inside the inner grooves. Guide semi-rings can move flexibly outside the guide rods, allowing for precise adjustment of the grinding rings according to the specific dimensions of different bearing inner rings. Due to the variety of bearing models, when encountering bearing inner rings of different diameters, the operator can quickly and conveniently adjust the position and spacing of the grinding rings simply by moving the guide semi-rings on the guide rods, ensuring a perfect match between the grinding rings and the bearing inner rings. This process eliminates the need for frequent replacement of the grinding head, significantly reducing equipment adjustment time and downtime caused by grinding head replacements.

[0018] Based on the aforementioned beneficial effects, by installing a vertical plate, a sliding groove, a slider, and a fixed plate on the top of the equipment frame, when a bearing to be ground needs to be placed, the operator only needs to push the slider to move smoothly within the sliding groove, which can smoothly pull out the processing disc, fully exposing the inner groove on the processing disc. The operator then places the bearings to be ground into the inner groove one by one. After placement, the operator pushes the slider again, allowing it to slide along the sliding groove and precisely push the processing disc back to its original position. During this process, the positioning rod will accurately insert into the positioning hole, and the magnetic block will firmly adhere to the adsorption groove, ensuring that it will not shift during the grinding process. The entire loading and unloading process is simple and quick, greatly saving time and labor costs. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall frame of the equipment of this utility model;

[0021] Figure 2 This is a schematic diagram of the equipment frame after the processing tray of this utility model has been disassembled;

[0022] Figure 3 This is a schematic diagram of the internal structure of the grinding disc of this utility model;

[0023] Figure 4 This is a schematic diagram of the grinding disc of this utility model;

[0024] Figure 5 This is a schematic diagram of the processing disc of this utility model.

[0025] The attached diagram lists the components represented by each number as follows:

[0026] 100. Equipment frame; 101. Support frame; 102. Support plate; 103. Hydraulic pump; 104. Hydraulic rod; 105. Grinding disc;

[0027] 200. Machining disc; 201. Inner groove; 202. Grinding ring; 203. Inner groove; 204. Guide rod; 205. Guide half-ring; 206. Moving rod; 207. Moving slot;

[0028] 300. Fastening ring; 301. Insert plate; 302. Slot;

[0029] 400. Push plate; 401. Vertical plate; 402. Slide groove; 403. Positioning hole; 404. Adsorption groove; 405. Slider; 406. Fixing plate; 407. Positioning rod; 408. Magnetic block. 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. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0032] Please see Figure 1-4 As shown, this utility model is a grinding head assembly for the inner ring of a bearing, comprising:

[0033] The grinding component includes a machine frame 100, a support frame 101, and grinding discs 105. The support frame 101 is welded to the top of the machine frame 100, and a plurality of grinding discs 105 are located on the lower surface of the support frame 101.

[0034] The adjustment component includes a grinding ring 202, an inner groove 203, a guide rod 204, a guide half-ring 205, a moving rod 206, and a moving groove 207. The inner groove 203 is formed on the inner surface of the grinding disc 105. The guide rod 204 is connected to the inner surface of the inner groove 203. The guide ring is movably connected to the outer surface of the guide rod 204. The grinding ring 202 is located on the outer surface of the grinding disc 105. The outer end of the guide ring is connected to the outer surface of the grinding ring 202. The moving groove 207 is formed on the top of the grinding disc 105. The moving rod 206 is connected to the top of the guide ring and is movably connected inside the moving groove 207.

[0035] The guide half-ring 205 can move flexibly outside the guide rod 204, and can precisely adjust multiple grinding rings 202 according to the specific size of different bearing inner rings. Since there are various bearing models, when encountering bearing inner rings of different diameters, the operator can quickly and conveniently adjust the position and spacing of the grinding rings 202 by moving the guide half-ring 205 on the guide rod 204.

[0036] The adjustment components also include a processing disc 200 and an inner groove 201, wherein the processing disc 200 is located on the top of the equipment frame 100, and the inner groove 201 is formed on the top of the processing disc 200;

[0037] The bearings that need to be polished can be placed inside the inner groove 201 for positioning in sequence.

[0038] It also includes a fixing component, which includes a fastening ring 300, which is connected to the outer surface of the moving rod 206 and fits against the top of the grinding disc 105;

[0039] After the moving rod 206 moves, the fastening ring 300 will be fixed to the outside of the moving rod 206, thus fixing the position of the grinding ring 202 after it moves.

[0040] The top of the grinding disc 105 has a slot 302, and the bottom of the fastening ring 300 is connected to an insert plate 301, which is inserted into the slot 302.

[0041] After the fastening ring 300 is fixed to the outside of the moving rod 206, the insert plate 301 is simultaneously inserted into the inside of the slot 302 to position the fastening ring 300.

[0042] The grinding component also includes a support plate 102, a hydraulic pump 103, and a hydraulic rod 104. The support plate 102 is connected between two support frames 101, the hydraulic pump 103 is connected to the top of the support plate 102, and the hydraulic rod 104 is connected between the support plate 102 and the grinding plate 105.

[0043] The hydraulic rod 104 is extended by the hydraulic pump 103, so that the grinding disc 105 extends into the inner groove 201 to perform grinding work on the inner ring of the internal bearing.

[0044] The working principle is as follows: First, multiple grinding rings 202 surround the outside of the grinding disc 105, while a guide rod 204 is installed inside the inner groove 203. The guide half-ring 205 can move flexibly outside the guide rod 204, and the moving rod 206 moves inside the moving groove 207 at the same time. Then, the fastening ring 300 is fixed outside the moving rod 206, and the insert plate 301 is inserted into the slot 302 to position the fastening ring 300. The multiple grinding rings 202 can be precisely adjusted according to the specific size of different bearing inner rings. Since there are various bearing models, when encountering bearing inner rings of different diameters, the operator only needs to move the guide half-ring 205 on the guide rod 204 to quickly and conveniently adjust the position and spacing of the grinding rings 202 so that the grinding rings 202 can perfectly match the bearing inner ring. This process does not require repeated and frequent replacement of the grinding head, which greatly shortens the equipment adjustment time and reduces the downtime caused by replacing the grinding head.

[0045] Please see Figure 1 , Figure 2 , Figure 5 As shown, this embodiment, based on the above embodiment, further includes: a loading and unloading component, which includes a push plate 400, a vertical plate 401, a slide groove 402, and a slider 405. The slider 405 is located on both sides of the outer surface of the processing tray 200. The vertical plate 401 is connected to the top of the equipment frame 100. The slide groove 402 is opened inside the vertical plate 401. The slider 405 is movably connected inside the slide groove 402. The push plate 400 is connected to one end of the outer surface of the processing tray 200.

[0046] When it is necessary to place the bearing to be ground, the operator only needs to push the slider 405 to move smoothly in the groove 402, so that the processing plate 200 can be pulled out smoothly, and the inner groove 201 on the processing plate 200 is fully exposed. The operator then places the bearing to be ground into the inner groove 201 one by one.

[0047] The loading and unloading components also include a positioning hole 403, a fixing plate 406, and a positioning rod 407. The positioning hole 403 is opened at one end of the inner surface of the slide groove 402, the positioning rod 407 is connected to one end of the slider 405 and inserted into the interior of the positioning hole 403, and the fixing plate 406 is connected to the other end of the outer surface of the processing plate 200.

[0048] The positioning rod 407 is precisely inserted into the positioning hole 403. The cooperation between the positioning rod 407 and the positioning hole 403 provides precise positioning for the processing disc 200, ensuring that it will not shift during the grinding process.

[0049] The loading and unloading components also include an adsorption tank 404 and a magnetic block 408. The adsorption tank 404 is opened at one end of the outer surface of the vertical plate 401, and the magnetic block 408 is connected to one end of the push plate 400 and adsorbs and connects to the inside of the adsorption tank 404.

[0050] The magnetic block 408 will be firmly adsorbed inside the adsorption tank 404. The adsorption effect between the magnetic block 408 and the adsorption tank 404 further enhances the stability of the processing disk 200.

[0051] The working principle is as follows: First, when a bearing to be ground needs to be placed, the operator simply pushes the slider 405 to move smoothly within the groove 402, thus smoothly pulling out the processing disc 200. The inner groove 201 on the processing disc 200 is fully exposed. The operator then places the bearings to be ground into the inner groove 201 one by one. After placement, the operator pushes the slider 405 again, allowing it to slide along the groove 402, precisely pushing the processing disc 200 back to its original position. During this process, the positioning rod 407 is precisely inserted into the positioning hole 403. Simultaneously, the magnetic block 408 is firmly adsorbed inside the adsorption groove 404. The cooperation between the positioning rod 407 and the positioning hole 403 provides precise positioning for the processing disc 200, ensuring that it will not shift during the grinding process. The adsorption effect between the magnetic block 408 and the adsorption groove 404 further enhances the stability of the processing disc 200, enabling it to withstand the vibration and impact generated during the grinding process, ensuring that it will not shift during the grinding process. The entire loading and unloading process is simple and fast, greatly saving time and labor costs. The above-disclosed preferred embodiments of this utility model are only used to help illustrate this utility model. The preferred embodiments do not describe all details in detail, nor do they limit this utility model to only the specific embodiments described. Obviously, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of this utility model, so that those skilled in the art can better understand and utilize this utility model. This utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A grinding head assembly for a bearing inner race, characterized by, Include: Polishing parts, the polishing parts include equipment rack (100), support frame (101) and polishing disc (105), the support frame (101) is welded in the top of equipment rack (100), a plurality of polishing discs (105) are located the lower surface of support frame (101); Adjustment parts, the adjustment parts include polishing ring (202), inner groove (203), guide rod (204), guide half ring (205), moving rod (206) and moving groove (207), the inner groove (203) is set up in the inner surface of polishing disc (105), guide rod (204) is connected in the inner surface of inner groove (203), guide ring is movably connected in the outer surface of guide rod (204), polishing ring (202) is located the outer surface of polishing disc (105), the outer end of guide ring is connected in the outer surface of polishing ring (202), moving groove (207) is set up in the top of polishing disc (105), moving rod (206) is connected in the top of guide ring, and movably connected in the inside of moving groove (207).

2. A bearing inner race grinding head assembly according to claim 1, wherein: The adjustment parts further include processing disc (200) and inner groove (201), the processing disc (200) is located the top of equipment rack (100), and the inner groove (201) is set up in the top of processing disc (200).

3. A bearing inner race honing head assembly according to claim 1 wherein: Further include fixing parts, the fixing parts include fastening ring (300), the fastening ring (300) is connected in the outer surface of moving rod (206), and is connected in the top of polishing disc (105) in place.

4. A bearing inner race honing head assembly according to claim 3, wherein: The top of polishing disc (105) is provided with slot (302), the bottom of fastening ring (300) is connected with insert plate (301), and insert plate (301) is inserted in the inside of slot (302).

5. The bearing inner race honing head assembly of claim 1, wherein: The polishing parts further include support disc (102), hydraulic pump (103) and hydraulic rod (104), the support disc (102) is connected between two support frames (101), the hydraulic pump (103) is connected in the top of support disc (102), and the hydraulic rod (104) is connected between support disc (102) and polishing disc (105).

6. A bearing inner race honing head assembly according to claim 1 wherein: Further include feeding and discharging parts, the feeding and discharging parts include push plate (400), vertical plate (401), sliding groove (402) and sliding block (405), the sliding block (405) is located the both sides of the outer surface of processing disc (200), the vertical plate (401) is connected in the top of equipment rack (100), the sliding groove (402) is set up in the inside of vertical plate (401), the sliding block (405) is movably connected in the inside of sliding groove (402), and the push plate (400) is connected in one end of the outer surface of processing disc (200).

7. A bearing inner race honing head assembly according to claim 6, wherein: The feeding and discharging parts further include positioning hole (403), fixed plate (406) and positioning rod (407), the positioning hole (403) is set up in one end of the inner surface of sliding groove (402), the positioning rod (407) is connected in one end of sliding block (405), and is inserted in the inside of positioning hole (403), and the fixed plate (406) is connected in the other end of the outer surface of processing disc (200).

8. A bearing inner race polishing head assembly according to claim 7, wherein: The feeding and discharging component further comprises an adsorption groove (404) and a magnetic block (408), the adsorption groove (404) is arranged at one end of the outer surface of the vertical plate (401), the magnetic block (408) is connected to one end of the push plate (400), and is adsorbed and connected to the inside of the adsorption groove (404).

Citation Information

Patent Citations

  • Grinding head assembly for bearing inner ring

    CN222449524U