A high-efficiency grinding device for machining bearing rings

Abstract

This utility model relates to a high-efficiency grinding device for bearing ring processing. It effectively solves the problems of existing bearing ring grinding equipment, which is inconvenient for effectively grinding both the inner and outer rings and end faces of bearings, resulting in low processing efficiency and poor adjustability. The limiting mechanism of this high-efficiency grinding device for bearing ring processing, driven by the drive mechanism, can fix bearing inner or outer rings of different sizes at their center. The multi-directional adjustment mechanism can adjust the height and rotation radius of the grinding mechanism, allowing it to abut against the outer surface of the bearing inner ring or the inner surface of the bearing outer ring with different diameters and thicknesses. The auxiliary grinding mechanism can fit against the upper end face of the bearing ring. The synchronous rotation mechanism drives multiple grinding mechanisms to rotate along the outer surface of the bearing inner ring or the inner surface of the bearing outer ring, thereby enabling thorough grinding of the outer surface of the bearing inner ring or the inner surface and end faces of the bearing outer ring, greatly improving processing efficiency and making it more convenient for use in bearing ring processing.

Description

Technical Field

[0001] This utility model belongs to the technical field of bearing processing equipment, specifically relating to a high-efficiency grinding device for processing bearing rings. Background Technology

[0002] Bearing rings are annular parts of radial rolling bearings with one or more raceways. They generally include an inner ring and an outer ring and are one of the important components of a bearing. Grinding the inner wall and end faces of the bearing rings is an essential process in the manufacturing of bearing rings. Its purpose is to change the physical properties of the side walls and end faces of the bearing rings to obtain a specific surface roughness, thereby improving the mechanical properties of the bearing inner ring.

[0003] Existing bearing ring grinding equipment is not suitable for effectively grinding both the inner and outer rings and the end faces of the bearing, resulting in low processing efficiency. Furthermore, it is not convenient to adjust the grinding mechanism according to different bearing ring sizes, and its adjustability is poor, making it difficult to adjust the grinding for the inner or outer ring of the bearing, thus affecting the processing of the bearing rings. Utility Model Content

[0004] To address the above issues and overcome the shortcomings of existing technologies, this utility model provides a high-efficiency grinding device for bearing ring processing. This device enables the grinding mechanism to abut against the outer surface of the inner ring or the inner surface of the outer ring of a bearing with different diameters and thicknesses. An auxiliary grinding mechanism can fit against the upper end face of the inner or outer ring. A synchronous rotation mechanism drives multiple grinding mechanisms to rotate along the outer surface of the inner or outer ring, thus simultaneously and thoroughly grinding the outer surface of the inner ring or the inner surface and end face of the outer ring. This significantly improves processing efficiency and is applicable to bearing rings of different sizes, making it easier to use during bearing ring processing.

[0005] A high-efficiency grinding device for processing bearing rings includes a base and a bracket. The upper surface of the base is provided with a limiting mechanism for limiting and fixing the bearing rings, and a driving mechanism for driving the limiting mechanism is provided below the limiting mechanism. The bracket is fixedly connected to the upper surface of the base, and a synchronous rotation mechanism is provided in the middle of its upper surface. A multi-directional adjustment mechanism is provided below the synchronous rotation mechanism, and a grinding mechanism for grinding the inner and outer rings of the bearing rings is provided at the movable end of the multi-directional adjustment mechanism. An auxiliary grinding mechanism for grinding the end face of the bearing rings is provided inside the grinding mechanism.

[0006] Preferably, the limiting mechanism includes a first limiting post, a first rack, a second limiting post, and a second rack. The first rack and the second rack are respectively fixedly connected to the bottom ends of the first limiting post and the second limiting post. There are two first limiting posts and two second limiting posts, and the two first limiting posts and the two second limiting posts are symmetrically arranged. A cross-shaped sliding groove is opened on the upper surface of the base. The two first limiting posts and the two second limiting posts are slidably connected in the corresponding sliding grooves and form a cross-shaped structure.

[0007] Preferably, the drive mechanism includes a first spur gear, a worm gear, a worm, and a first motor. The first spur gear meshes between two first racks and two second racks. The worm gear is fixedly connected to the bottom end of the first spur gear. The worm is connected to the output end of the first motor via a spline and is driven by the worm gear. A fixed box is sleeved around the first spur gear, the worm gear, and the worm, and both the two first racks and the second racks pass through the inside of the fixed box.

[0008] Preferably, there are several limiting mechanisms and several fixing boxes, and each of the several fixing boxes is rotatably connected to a first spur gear and a worm gear. The first rack and the second rack in each of the limiting mechanisms are inserted into the fixing box corresponding to them vertically and mesh with the corresponding first spur gear. The worm is inserted into the interior of several fixing boxes and is drivenly connected to several worm gears. The first motor is fixedly installed on the side of one of the fixing boxes.

[0009] Preferably, the synchronous rotation mechanism includes a second spur gear, a second motor, and a transmission rack. The number of second spur gears is the same as the number of limiting mechanisms, and several second spur gears are rotatably connected to the upper surface of the bracket and vertically corresponding to the center of several limiting mechanisms via bearings. Each of the several second spur gears is fitted with a protective shell, and the transmission rack passes through the inside of several protective shells and meshes with several second spur gears. The output end of the second motor is connected to one of the second spur gears via a spline and is fixedly installed on the upper surface of the corresponding protective shell.

[0010] Preferably, the multi-directional adjustment mechanism includes a first electric telescopic rod, a first mounting frame, a second electric telescopic rod, and a second mounting frame. The fixed rod of the first electric telescopic rod is vertically fixedly installed at the bottom of the rotating shaft of the second spur gear. The first mounting frame is fixedly connected to the end of the movable rod of the first electric telescopic rod, and the fixed rod of the second electric telescopic rod is horizontally fixedly installed on the side of the first mounting frame. The second mounting frame is fixedly installed at the end of the movable rod of the second electric telescopic rod, and a grinding mechanism is provided on the second mounting frame. A multi-directional adjustment mechanism is provided at the bottom of each second spur gear.

[0011] Preferably, the grinding mechanism includes a third motor and a grinding roller. The third motor is fixedly mounted on the upper surface of the second mounting frame and its output end is connected to the grinding roller via a spline. The grinding roller is rotatably connected to the bottom of the second mounting frame.

[0012] Preferably, the auxiliary grinding mechanism includes a movable plate, a grinding wheel, and a spring. The grinding roller has a movable groove inside, and the movable plate is vertically slidably connected to the inside of the movable groove in a horizontal state. The grinding wheel is bonded to the outer ring portion of the lower surface of the movable plate. The spring is fixedly connected to the center of the upper surface of the movable plate and is located inside the movable groove. The top end of the spring is fixedly connected to the inner top wall of the movable groove.

[0013] The beneficial effects of the above technical solution are as follows:

[0014] This high-efficiency grinding device for bearing ring processing incorporates a limiting mechanism, a synchronous rotation mechanism, a multi-directional adjustment mechanism, a grinding mechanism, and an auxiliary grinding mechanism. The limiting mechanism, driven by the drive mechanism, fixes bearing inner or outer rings of different sizes at their center. The multi-directional adjustment mechanism adjusts the height and rotation radius of the grinding mechanism, allowing it to contact the outer surface of bearing inner rings or the inner surface of bearing outer rings of different diameters and thicknesses. The auxiliary grinding mechanism fits against the upper end face of the bearing inner or outer ring. The synchronous rotation mechanism drives multiple grinding mechanisms to rotate along the outer surface of the bearing inner or outer ring, thus simultaneously and thoroughly grinding the outer surface of the bearing inner ring or the inner surface and end face of the bearing outer ring. This significantly improves processing efficiency and is suitable for bearing rings of different sizes, making it easier to use during bearing ring processing. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the synchronous rotation mechanism of this utility model;

[0017] Figure 3 This is a schematic diagram of the multi-directional adjustment mechanism and the grinding mechanism of this utility model;

[0018] Figure 4 This utility model Figure 3 A diagram illustrating the split state;

[0019] Figure 5 This is a schematic cross-sectional view of the grinding roller of this utility model;

[0020] Figure 6 This is a schematic diagram of the limiting mechanism and the driving mechanism of this utility model;

[0021] Figure 7 This utility model Figure 6A diagram illustrating the split state.

[0022] In the diagram: 1. Base; 2. Bracket; 3. First limiting post; 4. First rack; 5. Second limiting post; 6. Second rack; 7. Slide groove; 8. First spur gear; 9. Worm gear; 10. Worm; 11. First motor; 12. Fixing box; 13. Second spur gear; 14. Second motor; 15. Transmission rack; 16. First electric telescopic rod; 17. First mounting bracket; 18. Second electric telescopic rod; 19. Second mounting bracket; 20. Third motor; 21. Grinding roller; 22. Movable plate; 23. Grinding wheel; 24. Spring; 25. Movable groove. Detailed Implementation

[0023] The foregoing and other technical contents, features and effects of this utility model are described in conjunction with the appendix below. Figures 1 to 7 The embodiments are described in detail below.

[0024] This embodiment provides a high-efficiency grinding device for machining bearing rings, as shown in the attached figure. Figure 1-7 As shown, the device includes a base 1 and a bracket 2. The upper surface of the base 1 is provided with a limiting mechanism for fixing and limiting the bearing rings, and a driving mechanism for moving the limiting mechanism is provided below it. The limiting mechanism includes a first limiting post 3, a first rack 4, a second limiting post 5, and a second rack 6. The first rack 4 and the second rack 6 are respectively fixedly connected to the bottom ends of the first limiting post 3 and the second limiting post 5. There are two first limiting posts 3 and two limiting posts 5, and the two first limiting posts 3 and the two limiting posts 5 are symmetrically arranged. The two first racks 4 at the bottom of the two first limiting posts 3 are close to the first spur gear 8, and the two... The first rack 4 meshes with both sides of the top of the first spur gear 8. The two second racks 6 at the bottom of the two second limiting posts 5 are close to the first spur gear 8 and mesh with both sides of the bottom of the first spur gear 8. A cross-shaped groove 7 is provided on the upper surface of the base 1. The two first limiting posts 3 and the second limiting posts 5 are slidably connected in the corresponding grooves 7 and form a cross-shaped structure. The rotation of the first spur gear 8 can simultaneously drive the first rack 4 and the second rack 6 on both sides to move closer or further away from each other, thereby adjusting the distance between the two first limiting posts 3 and the second limiting posts 5, which is convenient for limiting and fixing bearing rings of different diameters.

[0025] The drive mechanism includes a first spur gear 8, a worm gear 9, a worm 10, and a first motor 11. The first spur gear 8 meshes between two first racks 4 and two second racks 6. The worm gear 9 is fixedly connected to the bottom end of the first spur gear 8. The worm 10 is connected to the output end of the first motor 11 via a spline and is driven by the worm gear 9. A fixing box 12 is sleeved on the outside of the first spur gear 8, the worm gear 9, and the worm 10. The two first racks 4 and the second racks 6 are both inserted inside the fixing box 12. The number of fixing boxes 12 is the same as the number of first spur gears 8, and they are respectively sleeved on the outside of the corresponding first spur gear 8. The fixing box 12 is fixedly connected to the lower surface of the base 1 at the part corresponding to the vertical limit mechanism, and can support and limit the first spur gear 8 and the worm 10.

[0026] The number of limiting mechanisms and fixed boxes 12 is several, and the interior of several fixed boxes 12 is rotatably connected with a first spur gear 8 and a worm gear 9. The first rack 4 and the second rack 6 in each limiting mechanism are inserted into the fixed box 12 corresponding to it vertically and mesh with the corresponding first spur gear 8. The worm 10 is inserted into the interior of several fixed boxes 12 and is driven by several worm gears 9. The first motor 11 is fixedly installed on the side of one end of the fixed box 12.

[0027] The first motor 11 drives the worm gear 10 to rotate, which in turn drives several worm wheels 9 to rotate. This causes several first spur gears 8 to drive the two first racks 4 and the second rack 6 outside them to move synchronously. This allows the two first limiting posts 3 and the second limiting posts 5 at the top to move closer or further apart, facilitating the simultaneous clamping of multiple bearing rings. When it is necessary to grind the outer surface of the bearing inner ring, the limiting mechanism is first adjusted to a state with a smaller limiting range. Then, multiple bearing inner rings are horizontally fitted onto the outside of the two first limiting posts 3 and the second limiting posts 5 within the several limiting mechanisms. The driving mechanism drives the multiple limiting mechanisms to expand outward, which can simultaneously clamp and limit multiple bearing inner rings from the inside and ensure their shaft... The inner rings of the bearings are vertically aligned with the shafts of the second spur gear 13 above, and their outer surfaces are unobstructed. This allows multiple grinding mechanisms to continuously grind the outer surfaces of multiple bearing inner rings simultaneously. When grinding the inner surface of the bearing outer ring, the limiting mechanism is first adjusted to a larger limiting range. Then, multiple bearing outer rings are horizontally placed inside the limiting mechanism. The driving mechanism drives the limiting mechanism to retract inward, which can simultaneously clamp multiple bearing outer rings from the outside and ensure that their shafts are vertically aligned with the shafts of the second spur gear 13 above, while the inner surfaces of the bearing outer rings are unaffected. This allows multiple grinding mechanisms to continuously grind the inner surfaces of multiple bearing outer rings simultaneously.

[0028] The bracket 2 is fixedly connected to the upper surface of the base 1, and a synchronous rotation mechanism is provided in the middle of its upper surface. The synchronous rotation mechanism includes a second spur gear 13, a second motor 14, and a transmission rack 15. The number of second spur gears 13 is the same as the number of limiting mechanisms, and several second spur gears 13 are rotatably connected to the upper surface of the bracket 2 through bearings at a position vertically corresponding to the center of several limiting mechanisms. The outer surface of several second spur gears 13 is fitted with a protective shell, and the transmission rack 15 passes through the inside of several protective shells and meshes with several second spur gears 13. The output end of the second motor 14 is connected to one of the second spur gears 13 through a spline and is fixedly installed on the upper surface of the corresponding protective shell. When the second motor 14 drives one of the second spur gears 13 to rotate, it can drive the transmission rack 15 to move laterally, thereby driving the other second spur gears 13 to rotate synchronously through the transmission rack 15, which can simultaneously drive all the grinding mechanisms to rotate, so that multiple grinding mechanisms can grind multiple bearing rings at the same time.

[0029] A multi-directional adjustment mechanism is provided below the synchronous rotation mechanism. The multi-directional adjustment mechanism includes a first electric telescopic rod 16, a first mounting frame 17, a second electric telescopic rod 18, and a second mounting frame 19. The fixed rod of the first electric telescopic rod 16 is vertically fixedly installed at the bottom of the rotating shaft of the second spur gear 13. The first mounting frame 17 is fixedly connected to the end of the movable rod of the first electric telescopic rod 16, and the fixed rod of the second electric telescopic rod 18 is horizontally fixedly installed on the side of the first mounting frame 17. The second mounting frame 19 is fixedly installed at the end of the movable rod of the second electric telescopic rod 18, and the grinding mechanism is set on the second mounting frame 19. A multi-directional adjustment mechanism is provided at the bottom of each second spur gear 13. The first electric telescopic rod 16 can adjust the height of the grinding mechanism, so as to adjust the height of the grinding roller 21 according to the thickness of the bearing ring. The second electric telescopic rod 18 can adjust the rotation radius of the grinding roller 21, so that the grinding roller 21 can be pressed against the outer or inner circular surface of the bearing ring with different diameters, so that the grinding roller 21 can be completely in contact with the grinding surface of the bearing roller.

[0030] The movable end of the multi-directional adjustment mechanism is equipped with a grinding mechanism that can grind the inner and outer rings of the bearing race. The grinding mechanism includes a third motor 20 and a grinding roller 21. The third motor 20 is fixedly installed on the upper surface of the second mounting bracket 19 and its output end is connected to the grinding roller 21 through a spline. The grinding roller 21 is rotatably connected to the bottom of the second mounting bracket 19. The third motor 20 can drive the grinding roller 21 to rotate at high speed, so that the grinding roller 21 grinds the outer circular surface of the bearing inner ring or the inner circular surface of the bearing outer ring.

[0031] The grinding mechanism includes an auxiliary grinding mechanism for grinding the end face of the bearing race. This auxiliary grinding mechanism comprises a movable plate 22, a grinding wheel 23, and a spring 24. The grinding roller 21 has a movable groove 25 inside, and the movable plate 22 is vertically slidably connected to the inside of the movable groove 25 in a horizontal state. The grinding wheel 23 is bonded to the outer ring of the lower surface of the movable plate 22. The spring 24 is fixedly connected to the center of the upper surface of the movable plate 22 and is located inside the movable groove 25. The top of the spring 24 is fixedly connected to the inner top wall of the movable groove 25. After the grinding roller 21 is adjusted to a position where it can abut against the grinding surface of the bearing race using the second electric telescopic rod 18, the movable end of the first electric telescopic rod 16 can be driven to extend downwards, allowing the grinding wheel to grind the bearing race surface. The roller 21 is vertically inserted into the bearing race, while the grinding wheel 23 on its outside abuts against the upper end face of the bearing race and moves upward. The spring 24 exerts a downward elastic force on the movable plate 22 and the grinding wheel 23, so that the grinding wheel 23 can press against the upper end face of the bearing race. Thus, driven by the third motor 20, the grinding roller 21 can grind the outer circular surface of the inner ring of the bearing race or the inner circular surface of the outer ring of the bearing race, while the grinding wheel 23 can grind the upper end face of the bearing race. At the same time, the second motor 14 can drive the grinding mechanism and the auxiliary grinding mechanism to make circumferential motion along the grinding surface of the bearing race through the second spur gear 13 and the transmission rack 15, so that the grinding mechanism can rotate one revolution, and the grinding surface of the bearing race can be fully ground.

[0032] The first motor 11, the second motor 14, the first electric telescopic rod 16, the second electric telescopic rod 18, and the third motor 20 are all electrically connected to the external control unit and are all electrically connected to the external circuit through wires.

[0033] In summary, the operating steps of this high-efficiency grinding device for bearing ring machining are as follows:

[0034] 1. When it is necessary to grind the outer surface of the inner ring of the bearing, first adjust the limiting mechanism to a state with a small limiting range, and then horizontally fit multiple inner rings of the bearing onto the outside of the two first limiting posts 3 and the second limiting post 5 in several limiting mechanisms. The driving mechanism drives multiple limiting mechanisms to expand outward, which can simultaneously press and limit multiple inner rings of the bearing from the inside and ensure that their axes are vertically aligned with the axes of the corresponding second spur gear 12 above, while their outer surfaces are not obstructed. This allows multiple grinding mechanisms to continuously grind the outer surfaces of multiple inner rings of the bearing at the same time.

[0035] 2. When it is necessary to grind the inner surface of the bearing outer ring, first adjust the limiting mechanism to a state with a large limiting range, then place multiple bearing outer rings horizontally inside the limiting mechanism, and drive the limiting mechanism to retract inward. This can clamp multiple bearing outer rings from the outside at the same time and ensure that their axes are vertically aligned with the axes of the corresponding second spur gear 13 above, while the inner surface of the bearing outer ring is not affected. This allows multiple grinding mechanisms to continuously grind the inner surface of multiple bearing outer rings at the same time.

[0036] 3. After adjusting the grinding roller 21 to a position where it can abut against the grinding surface of the bearing ring using the second electric telescopic rod 18, drive the movable end of the first electric telescopic rod 16 to extend downward, so that the grinding roller 21 is vertically inserted into the bearing ring. The grinding wheel 23 on its outside will abut against the upper end face of the bearing ring and move upward. The spring 24 can exert a downward elastic force on the movable plate 22 and the grinding wheel 23, so that the grinding wheel 23 can abut against the upper end face of the bearing ring. Thus, under the drive of the third motor 20, the grinding roller 21 can grind the outer circular surface of the inner ring of the bearing ring or the inner circular surface of the outer ring of the bearing ring, while the grinding wheel 23 can grind the upper end face of the bearing ring. The second motor 14 drives the grinding mechanism and the auxiliary grinding mechanism to make circumferential motion along the grinding surface of the bearing ring through the second spur gear 13 and the transmission rack 15, so that the grinding mechanism can rotate one revolution, and the grinding surface of the bearing ring can be fully ground.

[0037] The above description is only for illustrating the present utility model. It should be understood that the present utility model is not limited to the above embodiments, and various modifications that conform to the concept of the present utility model are within the protection scope of the present utility model.

Claims

1. A high-efficiency grinding device for machining bearing rings, comprising a base (1) and a bracket (2), characterized in that: The upper surface of the base (1) is provided with a limiting mechanism that can limit and fix the bearing ring, and a driving mechanism that drives its movement is provided below the limiting mechanism. The bracket (2) is fixedly connected to the upper surface of the base (1), and a synchronous rotation mechanism is provided in the middle of its upper surface. A multi-directional adjustment mechanism is provided below the synchronous rotation mechanism, and a grinding mechanism that can grind the inner and outer rings of the bearing ring is provided at the movable end of the multi-directional adjustment mechanism. An auxiliary grinding mechanism that can grind the end face of the bearing ring is provided inside the grinding mechanism.

2. The high-efficiency grinding device for machining bearing rings according to claim 1, characterized in that: The limiting mechanism includes a first limiting post (3), a first rack (4), a second limiting post (5), and a second rack (6). The first rack (4) and the second rack (6) are respectively fixedly connected to the bottom ends of the first limiting post (3) and the second limiting post (5). There are two first limiting posts (3) and two limiting posts (5), and the two first limiting posts (3) and the two limiting posts (5) are symmetrically arranged. A cross-shaped sliding groove (7) is opened on the upper surface of the base (1). The two first limiting posts (3) and the two limiting posts (5) are slidably connected in the corresponding sliding groove (7) and form a cross-shaped structure.

3. The high-efficiency grinding device for machining bearing rings according to claim 2, characterized in that: The drive mechanism includes a first spur gear (8), a worm gear (9), a worm (10), and a first motor (11). The first spur gear (8) meshes between two first racks (4) and two second racks (6). The worm gear (9) is fixedly connected to the bottom end of the first spur gear (8). The worm (10) is connected to the output end of the first motor (11) via a spline and is driven by the worm gear (9). A fixed box (12) is sleeved on the outside of the first spur gear (8), the worm gear (9), and the worm (10), and the two first racks (4) and the second racks (6) are both inserted inside the fixed box (12).

4. The high-efficiency grinding device for processing bearing rings according to claim 3, characterized in that: The number of limiting mechanisms and fixed boxes (12) is several, and the interior of several fixed boxes (12) is rotatably connected with a first spur gear (8) and a worm gear (9). The first rack (4) and the second rack (6) in each limiting mechanism are inserted into the fixed box (12) corresponding to it vertically and mesh with the corresponding first spur gear (8). The worm (10) is inserted into the interior of several fixed boxes (12) and is connected to several worm gears (9) in a transmission. The first motor (11) is fixedly installed on the side of one end of the fixed box (12).

5. The high-efficiency grinding device for machining bearing rings according to claim 1, characterized in that: The synchronous rotation mechanism includes a second spur gear (13), a second motor (14), and a transmission rack (15). The number of second spur gears (13) is the same as the number of limiting mechanisms, and several second spur gears (13) are rotatably connected to the upper surface of the bracket (2) through bearings at a position that is vertically corresponding to the center of several limiting mechanisms. The outer surface of several second spur gears (13) is fitted with a protective shell, and the transmission rack (15) passes through the inside of several protective shells and meshes with several second spur gears (13). The output end of the second motor (14) is connected to one of the second spur gears (13) through a spline and is fixedly installed on the upper surface of the corresponding protective shell.

6. The high-efficiency grinding device for machining bearing rings according to claim 5, characterized in that: The multi-directional adjustment mechanism includes a first electric telescopic rod (16), a first mounting bracket (17), a second electric telescopic rod (18), and a second mounting bracket (19). The fixed rod of the first electric telescopic rod (16) is vertically fixedly installed at the bottom of the rotating shaft of the second spur gear (13). The first mounting bracket (17) is fixedly connected to the end of the movable rod of the first electric telescopic rod (16), and the fixed rod of the second electric telescopic rod (18) is horizontally fixedly installed on the side of the first mounting bracket (17). The second mounting bracket (19) is fixedly installed at the end of the movable rod of the second electric telescopic rod (18), and a grinding mechanism is set on the second mounting bracket (19). A multi-directional adjustment mechanism is provided at the bottom of each second spur gear (13).

7. The high-efficiency grinding device for machining bearing rings according to claim 6, characterized in that: The grinding mechanism includes a third motor (20) and a grinding roller (21). The third motor (20) is fixedly mounted on the upper surface of the second mounting bracket (19) and its output end is connected to the grinding roller (21) via a spline. The grinding roller (21) is rotatably connected to the bottom of the second mounting bracket (19).

8. The high-efficiency grinding device for machining bearing rings according to claim 7, characterized in that: The auxiliary polishing mechanism includes a movable plate (22), a polishing wheel (23), and a spring (24). The polishing roller (21) has a movable groove (25) inside, and the movable plate (22) is vertically slidably connected to the movable groove (25) in a horizontal state. The polishing wheel (23) is bonded to the outer ring of the lower surface of the movable plate (22). The spring (24) is fixedly connected to the center of the upper surface of the movable plate (22) and is located inside the movable groove (25). The top of the spring (24) is fixedly connected to the inner top wall of the movable groove (25).

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