Bearing part polishing device

Abstract

The utility model discloses a bearing part polishing machining device, which belongs to the field of bearing machining devices and comprises a base, stand columns are arranged at four corners of the bottom end of the base, a supporting frame is fixedly mounted at the top end of the base, second cylinders are fixedly mounted on two sides of the supporting frame, piston shafts of the two second cylinders penetrate through the supporting frame in a sliding manner, and the piston shafts of the two second cylinders penetrate through the supporting frame. Two second air cylinders are fixedly installed on the base, clamping blocks are rotatably installed at the ends of piston shafts of the two second air cylinders, a first air cylinder is fixedly installed at the top end of the supporting frame, a piston shaft of the first air cylinder slidably penetrates through the supporting frame, a polishing assembly is arranged at the end of the piston shaft of the first air cylinder, a storage groove is formed in the base, and a third air cylinder is fixedly installed in the storage groove. According to the polishing device, the second air cylinder is matched with the clamping block, the effect of clamping and fixing the bearing is achieved, the distance between the polishing assembly and the clamping block can be adjusted through operation of the first air cylinder, then the polishing device can polish bearings of different sizes conveniently, and the application range of the polishing device can be widened easily.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing processingequipment field more specifically, relate to a bearing part polishing device. BACKGROUND

[0002] The bearing is an important spare part in contemporary mechanical equipment, its main function is the support mechanical rotator, reduces its friction coefficient in the movement process, and guarantees its rotation precision, needs the outer surface of bearing to be polished in the bearing processing production process.

[0003] The patent with the application number 202122734586.2 discloses an outer ring polishing device for bearing production. The outer ring polishing device comprises a shell, a motor is installed at the left side of the inner cavity of the shell, a first fixed plug is installed at one end of the output shaft of the motor, a first belt pulley is installed at the outer wall of the output shaft of the motor, a hydraulic rod is installed at the right side of the inner cavity of the shell and at the same horizontal position of the motor, a second fixed plug is installed at one end of the left side of the hydraulic rod through a bearing, a plug rod is installed at one end of the left side of the second fixed plug, a first rotating rod is installed at the upper position of the motor in the inner cavity of the shell through a bearing, a polishing roller is installed at the middle position of the first rotating rod, a protective cover is installed at the outer position of the motor, a second rotating rod is installed at the upper position of the first rotating rod in the inner cavity of the protective cover through a bearing, which not only facilitates the fixation of the bearing outer ring, but also greatly improves the polishing efficiency compared with traditional equipment.

[0004] For the above-mentioned related technology, the motor drives the clamped bearing to rotate on one side, and drives the second rotating rod to rotate through the first belt pulley and the second belt pulley on the other side, the second rotating rod drives the first rotating rod to rotate through the gear, at this time, the rotating direction of the motor and the rotating direction of the first rotating rod, at this time, the rotating direction of the polishing roller on the first rotating rod and the rotating direction of the bearing outer ring are opposite, which realizes the accelerated polishing of the bearing outer ring, but the distance between the first fixed plug, the second fixed plug and the polishing roller is fixed, which makes the device inconvenient to polish bearings of different sizes, and reduces the application range of the device. UTILITY MODEL CONTENTS

[0005] In order to solve the above problems, the utility model provides a bearing part polishing device, adopts the following technical scheme:

[0006] The utility model provides a bearing part polishing processing device, including the base, the bottom end four corners of base are equipped with the stand, the top of base is fixedly installed with the support frame, both sides of support frame are fixedly installed with second air cylinder, two second air cylinder piston shafts all slide through support frame, and two second air cylinder piston shafts end portions all are rotatably installed with the clamping block, the top of support frame is fixedly installed with first air cylinder, first air cylinder piston shaft slides through support frame, and first air cylinder piston shaft end portion is equipped with polishing assembly, the inside of base is equipped with the storage groove, the storage groove is fixedly installed with third air cylinder, third air cylinder piston shaft slides through base, and third air cylinder piston shaft end portion is equipped with drive assembly.

[0007] Through adopting the above technical scheme, when the device is used, the staff places the bearing between the two clamping blocks, drives the clamping blocks on the same side to move through the second air cylinder, and then makes the two clamping blocks relatively move and contact the side opposite to the bearing, through the cooperation of the two clamping blocks, the function of clamping and fixing the bearing can be realized, when the bearing is clamped and fixed, the polishing assembly is driven to descend and contact the side wall of the bearing through the first air cylinder, the function of polishing the bearing can be realized, and the distance between the polishing assembly and the bearing can be adjusted through the operation of the first air cylinder, so that the device can polish bearings of different sizes, which is favorable to improve the application range of the device, and when the polishing assembly contacts the side wall of the bearing, the drive assembly can be driven to ascend and contact the side wall of the bearing through the third air cylinder, the friction force between the drive assembly and the bearing is generated, so that the function of driving the bearing to rotate can be realized, which is favorable to the overall polishing of the device to the bearing.

[0008] Further, the polishing assembly comprises an installation box arranged below the first air cylinder piston shaft, a second speed reducer motor is fixedly installed in the installation box, a rotating rod is fixedly installed at the output shaft end of the second speed reducer motor, the bottom end of the rotating rod penetrates the installation box and is fixedly connected with a box body, polishing cotton is arranged at the bottom end of the box body, a liquid storage box is fixedly installed at the bottom end of the installation box, the liquid storage box is sleeved on the side wall of the rotating rod, a connecting ring is rotatably installed at the top end of the box body, a cavity is formed in the connecting ring, a plurality of first through holes in annular array are formed at the bottom end of the cavity, a plurality of second through holes in annular array are formed at the bottom end of the box body, two liquid guide pipes in symmetrical distribution are communicated between the connecting ring and the bottom end of the liquid storage box, control valves are arranged on the side walls of the two liquid guide pipes, and a buffer assembly is arranged between the top end of the installation box and the end of the first piston shaft.

[0009] By adopting the above technical scheme, when the bearing clamping is completed, the installation box, the liquid storage box, the box body and the polishing cotton are driven to descend synchronously by the first air cylinder, and the polishing cotton is in contact with the side wall of the bearing, then the rotating rod is driven to rotate by the second speed reducer motor, the rotating rod drives the box body to rotate synchronously with the polishing cotton, which can play a role in polishing the bearing, the distance between the polishing cotton and the bearing can be adjusted by the first air cylinder, which is convenient for the equipment to polish bearings of different sizes, and when the polishing cotton polishes the bearing, the control valve installed on the side wall of the liquid guide pipe is opened, the polishing agent in the liquid storage box enters the connecting ring through the liquid guide pipe, the first through hole is formed in the bottom end of the connecting ring, the polishing agent enters the box body through the first through hole, then the polishing agent enters the polishing cotton through the second through hole formed in the bottom end of the box body, the polishing agent is in contact with the bearing through the rotation of the polishing cotton, which can play a role in polishing the bearing, and the connecting ring and the box body are in rotary connection, and are limited and fixed by the liquid guide pipe, which does not affect the rotation of the box body with the polishing cotton, the buffer assembly is arranged between the installation box and the piston shaft of the first air cylinder, which can play a role in buffering when the polishing cotton and the bearing are in contact, and can make the polishing cotton in precise contact with the side wall of the bearing, which is beneficial to maintaining the polishing effect of the equipment.

[0010] Further, the buffer assembly comprises a support column fixedly installed on the piston shaft of the first air cylinder, an activity groove is formed in the bottom end of the support column, a support rod is slidably installed in the activity groove, a spring is fixedly connected between the top end of the support rod and the inner wall of the top end of the activity groove, and the bottom end of the support rod is fixedly connected with the top end of the installation box.

[0011] By adopting the above technical scheme, when the polishing cotton and the bearing are in contact, the installation box drives the support rod to slide in the activity groove formed in the bottom end of the support column under the driving action of the first air cylinder, the support rod drives the spring to contract, the spring gives the support rod a rebound force, which can play a role in buffering, and can make the polishing cotton in precise contact with the side wall of the bearing, which is beneficial to maintaining the polishing effect of the equipment.

[0012] Further, two limit blocks symmetrically distributed are fixedly installed on the side wall of the top end of the support rod, and limit grooves matched with the limit blocks are formed in the inner wall of the activity groove.

[0013] By adopting the above technical scheme, when the support rod slides in the activity groove, the support rod drives the limit blocks to slide in the same side limit groove, and the cooperation of the limit blocks and the limit groove is beneficial to maintaining the stability of the sliding of the support rod, and is helpful to avoid the disengagement of the support rod from the activity groove.

[0014] Further, support plates are fixedly installed on both sides of the installation box, stable rods are fixedly installed on the top ends of the two support plates, and the top ends of the two stable rods slidably penetrate the support frame.

[0015] By adopting the above technical scheme, when the first cylinder drives the installation box to lift, the installation box lifts synchronously with the supporting plate and the stabilizing rod, the top end of the stabilizing rod slides through the supporting frame, and the stabilizing rod and the supporting frame limit, thereby the stability of the installation box and the bottom structure lifting is maintained.

[0016] Further, the driving assembly comprises a mounting seat fixedly installed at the end of the third cylinder piston shaft, a first speed reducer motor is fixedly installed at the top end of the mounting seat, a supporting roller is fixedly sleeved on the side wall of the output shaft of the first speed reducer motor, and a polishing ring is fixedly sleeved on the side wall of the supporting roller.

[0017] By adopting the above technical scheme, the mounting seat, the first speed reducer motor, the supporting roller and the polishing ring are synchronously lifted by the third cylinder, the polishing ring is in close contact with the outer side of the bearing, then the polishing ring is synchronously rotated by the first speed reducer motor driving the supporting roller, the friction between the polishing ring and the bearing can drive the bearing to rotate, the bearing can be fully polished by the equipment, the polishing ring can not only drive the bearing to rotate, but also polish the bearing, the polishing efficiency of the equipment is improved by the cooperation of the polishing ring and the polishing cotton.

[0018] Further, rubber pads are fixedly installed at the top end of the base, and anti-skid pads are fixedly sleeved on the side walls of the opposite ends of the two clamping blocks.

[0019] By adopting the above technical scheme, the rubber pads are arranged at the top of the base to protect the bearing, so that the polished bearing is not damaged when it is taken out and falls on the base, and the anti-skid pads are arranged on the opposite sides of the two clamping blocks to maintain the stability of the clamping of the bearing by the equipment.

[0020] In summary, the utility model has the following beneficial technical effects:

[0021] (1) In the utility model, the second cylinder and the clamping block cooperate to clamp and fix the bearing, the polishing assembly can adjust the distance between the clamping block by the first cylinder, so that the equipment can polish bearings of different sizes, and the application range of the equipment is improved.

[0022] (2) In the utility model, the polishing assembly is arranged to polish the bearing, when the equipment polishes the bearing, the polishing agent in the liquid storage box enters the connecting ring through the liquid guide pipe, then enters the box body, the second through hole is arranged at the bottom end of the box body, the polishing agent can be injected into the polishing cotton through the second through hole, so that the subsequent polishing is facilitated, the connecting ring is rotationally connected with the box body and is limited and positioned by the liquid guide pipe, and the subsequent rotation and polishing of the box body with the polishing cotton are not affected.

[0023] (3) in the utility model, through the third cylinder drive first speed reducer motor, support roll and polishing ring rise, and then make the polishing ring and bearing outside contact, can pass through first speed reducer motor 1 drive support roll and polishing ring synchronous rotation, pass through the friction between polishing ring and bearing, and then play the role of driving bearing rotation, the device is convenient to bearing side wall comprehensive polishing, the polishing ring not only plays the role of driving bearing rotation, and can play the role of polishing. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the structural schematic diagram of the utility model;

[0025] Figure 2 It is the utility model Figure 1 The enlarged view of A in the utility model;

[0026] Figure 3 It is the utility model Figure 1 The enlarged view of B in the utility model;

[0027] Figure 4 It is the sectional view of the utility model;

[0028] Figure 5 It is the utility model Figure 4 The enlarged view of C in the utility model;

[0029] Figure 6 It is the utility model Figure 4 The enlarged view of D in the utility model;

[0030] Figure 7 It is the utility model Figure 4 The enlarged view of E in the utility model.

[0031] Mark explanation in drawing:

[0032] 1, base; 2, support frame; 3, clamp block; 4, installation box; 5, support rod; 6, support column; 7, first cylinder; 8, stabilizing rod; 9, support plate; 10, second cylinder; 11, mounting seat; 12, first speed reducer motor; 13, polishing ring; 14, support roll; 15, liquid storage box; 16, rotating rod; 17, liquid guide pipe; 18, box body; 19, polishing cotton; 20, connecting ring; 21, second speed reducer motor; 22, third cylinder; 23, storage groove; 24, spring; 25, movable groove. DETAILED DESCRIPTION

[0033] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0034] In the description of the utility model, it needs to explain, the term "upper", "lower", "internal", "external", "top / bottom end" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, construct and operate with a particular orientation, therefore cannot be understood as the limitation of the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0035] In the description of the utility model, it needs to explain, unless otherwise explicitly provided and limited, the term "installation", "set with", "sleeve set / interface", "connection" and so on, should be broad understanding, for example "connection", can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0036] The following will be combined with the drawings Figures 1-7 The utility model will be further described in detail.

[0037] Please refer to Figures 1-7 A bearing part polishing device, including base 1, the bottom end of base 1 four corners are equipped with stand, the top of base 1 is fixedly installed with support frame 2, the both sides of support frame 2 are fixedly installed with second cylinder 10, two second cylinder 10 piston shafts are slidably penetrated through support frame 2, and the end of two second cylinder 10 piston shafts is rotatably installed with clamp block 3, the top of base 1 is fixedly installed with rubber pad, the opposite end side wall of two clamp blocks 3 is fixedly sleeved with antiskid pad, when the equipment is used, the staff places bearing between two clamp blocks 3, moves the clamp block 3 of the same side by second cylinder 10, and then makes two clamp blocks 3 relative movement and contacts with the opposite side of bearing, through the cooperation of two clamp blocks 3, the function of clamping and fixing bearing can be played, the setting of rubber pad on the top of base 1 plays the function of protecting bearing, which helps to avoid the phenomenon that polished bearing falls on base 1 and appears damage, the opposite side of two clamp blocks 3 is set with antiskid pad, which is helpful to keep the stability of the equipment clamping bearing.

[0038] The first air cylinder 7 is fixedly installed at the top end of the support frame 2, the piston shaft of the first air cylinder 7 is slidably penetrated through the support frame 2, the polishing assembly is arranged at the end of the piston shaft of the first air cylinder 7, the polishing assembly comprises a mounting box 4 arranged below the piston shaft of the first air cylinder 7, a second speed reducer motor 21 is fixedly installed in the mounting box 4, a rotating rod 16 is fixedly installed at the output shaft end of the second speed reducer motor 21, the rotating rod 16 is penetrated through the mounting box 4 at the bottom end and is fixedly connected with a box body 18, the box body 18 is provided with polishing cotton 19 at the bottom end, a liquid storage box 15 is fixedly installed at the bottom end of the mounting box 4, the liquid storage box 15 is sleeved on the side wall of the rotating rod 16, a connecting ring 20 is rotatably installed at the top end of the box body 18, a cavity is formed in the connecting ring 20, a plurality of first through holes are arranged in an annular array at the bottom end of the cavity, a plurality of second through holes are arranged in an annular array at the bottom end of the box body 18, two symmetrical liquid guide pipes 17 are communicated between the bottom end of the connecting ring 20 and the liquid storage box 15, and control valves are arranged on the side walls of the two liquid guide pipes 17.

[0039] When the bearing clamping is completed, the mounting box 4, the liquid storage box 15, the box body 18 and the polishing cotton 19 are driven to descend synchronously by the first air cylinder 7, the polishing cotton 19 is in contact with the side wall of the bearing, then the rotating rod 16 is driven to rotate by the second speed reducer motor 21, the box body 18 is driven to rotate synchronously with the polishing cotton 19 by the rotating rod 16, and the effect of polishing the bearing is achieved, the distance between the polishing cotton 19 and the bearing can be adjusted by the first air cylinder 7, so that the equipment can polish bearings of different sizes, when the polishing cotton 19 polishes the bearing, the control valves arranged on the side walls of the liquid guide pipes 17 are opened, the polishing agent in the liquid storage box 15 enters the connecting ring 20 through the liquid guide pipes 17, the first through holes are arranged at the bottom end of the connecting ring 20, the polishing agent enters the box body 18 through the first through holes, then the polishing agent enters the polishing cotton 19 through the second through holes arranged at the bottom end of the box body 18, the polishing agent is in contact with the bearing by rotating through the polishing cotton 19 to generate friction, and the effect of polishing the bearing is achieved, the connecting ring 20 is rotatably connected with the box body 18, and is limited and fixed by the liquid guide pipes 17, so that the rotation of the box body 18 with the polishing cotton 19 is not affected, the support plates 9 are fixedly installed on both sides of the mounting box 4, the stable rods 8 are fixedly installed at the top ends of the two support plates 9, the top ends of the two stable rods 8 are slidably penetrated through the support frame 2, when the mounting box 4 is driven to ascend and descend by the first air cylinder 7, the mounting box 4 is driven to ascend and descend synchronously with the support plates 9 and the stable rods 8, the top ends of the stable rods 8 are slidably penetrated through the support frame 2, the stable rods 8 and the support frame 2 are limited, and the stability of the ascending and descending of the mounting box 4 and the bottom structure is maintained.

[0040] A buffer assembly is arranged between the top end of the mounting box 4 and the first piston shaft end, and the buffer assembly comprises a support column 6 fixedly arranged on the piston shaft of the first cylinder 7, an active slot 25 is arranged at the bottom end of the support column 6, a support rod 5 is slidably arranged in the active slot 25, a spring 24 is fixedly connected between the top end of the support rod 5 and the inner wall of the top end of the active slot 25, and the bottom end of the support rod 5 is fixedly connected with the top end of the mounting box 4. When the polishing cotton 19 contacts the bearing, the mounting box 4 is driven by the first cylinder 7 to push the support rod 5 to slide in the active slot 25 arranged at the bottom end of the support column 6, the support rod 5 pushes the spring 24 to contract, the spring 24 gives the support rod 5 a rebounding force, which can play a buffering role and make the polishing cotton 19 precisely contact the side wall of the bearing, thereby being beneficial to maintaining the polishing effect of the equipment.

[0041] The top end side wall of the support rod 5 is fixedly arranged with two limiting blocks symmetrically distributed, and the inner wall of the active slot 25 is arranged with limiting grooves matched with the limiting blocks. When the support rod 5 slides in the active slot 25, the support rod 5 slides in the same side limiting groove with the limiting blocks, and the cooperation of the limiting blocks and the limiting grooves is beneficial to maintaining the stability of the sliding of the support rod 5 and is helpful to avoid the support rod 5 from separating from the active slot 25.

[0042] A receiving groove 23 is arranged in the base 1, a third cylinder 22 is fixedly arranged in the receiving groove 23, the piston shaft of the third cylinder 22 slidably penetrates the base 1, a driving assembly is arranged at the end of the piston shaft of the third cylinder 22, the driving assembly comprises a mounting seat 11 fixedly arranged at the end of the piston shaft of the third cylinder 22, a first speed reducer motor 12 is fixedly arranged at the top end of the mounting seat 11, a supporting roller 14 is fixedly sleeved on the side wall of the output shaft of the first speed reducer motor 12, and a polishing ring 13 is fixedly sleeved on the side wall of the supporting roller 14. The mounting seat 11, the first speed reducer motor 12, the supporting roller 14 and the polishing ring 13 are driven by the third cylinder 22 to synchronously ascend, so that the polishing ring 13 is in close contact with the outer side of the bearing, then the supporting roller 14 is driven by the first speed reducer motor 12 to synchronously rotate with the polishing ring 13, and the friction force generated between the polishing ring 13 and the bearing can drive the bearing to rotate, which is beneficial to the overall polishing of the bearing by the equipment. The polishing ring 13 not only plays a role in driving the bearing to rotate, but also plays a role in polishing the bearing, and the cooperation of the polishing ring 13 and the polishing cotton 19 is beneficial to improving the polishing efficiency of the equipment.

[0043] The implementation principle of the embodiment of the utility model is: when the equipment is used, the staff places the bearing between the two clamping blocks 3, drives the same side clamping block 3 to move through the second cylinder 10, and then makes the two clamping blocks 3 relatively move and contact with the side opposite to the bearing, through the cooperation of the two clamping blocks 3, the function of clamping and fixing the bearing can be achieved, when the bearing clamping and fixing are completed, drives the polishing assembly to descend and contact with the side wall of the bearing through the first cylinder 7, the function of polishing the bearing can be achieved, and the distance between the polishing assembly and the bearing can be adjusted through the operation of the first cylinder 7, and then the equipment can polish the bearings of different sizes, which is favorable for improving the application range of the equipment, and when the polishing assembly contacts with the side wall of the bearing, drives the driving assembly to ascend and contact with the side wall of the bearing through the third cylinder 22, through the friction force generated between the driving assembly and the bearing, the function of driving the bearing to rotate can be achieved, which is favorable for the equipment to polish the bearing comprehensively.

[0044] The above are the preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A bearing part polishing apparatus comprising a base (1), characterised in that: The bottom end of the base (1) is provided with a stand, the top end of the base (1) is fixedly installed with a support frame (2), the two sides of the support frame (2) are fixedly installed with a second air cylinder (10), the piston shafts of the two second air cylinders (10) are slidably penetrated through the support frame (2), and the piston shaft ends of the two second air cylinders (10) are rotatably installed with clamping blocks (3), the top end of the support frame (2) is fixedly installed with a first air cylinder (7), the piston shaft of the first air cylinder (7) is slidably penetrated through the support frame (2), the piston shaft end of the first air cylinder (7) is provided with a polishing assembly, a receiving groove (23) is formed in the base (1), a third air cylinder (22) is fixedly installed in the receiving groove (23), the piston shaft of the third air cylinder (22) is slidably penetrated through the base (1), and the piston shaft end of the third air cylinder (22) is provided with a driving assembly.

2. The bearing component polishing apparatus of claim 1, wherein: The polishing assembly comprises a mounting box (4) arranged below the piston shaft of the first air cylinder (7), a second speed reducer motor (21) is fixedly installed in the mounting box (4), a rotating rod (16) is fixedly installed at the output shaft end of the second speed reducer motor (21), the bottom end of the rotating rod (16) penetrates through the mounting box (4) and is fixedly connected with a box body (18), the bottom end of the box body (18) is provided with polishing cotton (19), a liquid storage box (15) is fixedly installed at the bottom end of the mounting box (4), the liquid storage box (15) is sleeved on the side wall of the rotating rod (16), a connecting ring (20) is rotatably installed at the top end of the box body (18), a cavity is formed in the connecting ring (20), a plurality of first through holes in an annular array are formed at the bottom end of the cavity, a plurality of second through holes in an annular array are formed at the bottom end of the box body (18), two symmetrically distributed liquid guide pipes (17) are communicated between the bottom end of the connecting ring (20) and the liquid storage box (15), control valves are arranged on the side walls of the two liquid guide pipes (17), and a buffer assembly is arranged between the top end of the mounting box (4) and the piston shaft end.

3. A bearing component polishing apparatus according to claim 2, wherein: The buffer assembly comprises a support column (6) fixedly installed on the piston shaft of the first air cylinder (7), an active groove (25) is formed at the bottom end of the support column (6), a supporting rod (5) is slidably installed in the active groove (25), a spring (24) is fixedly connected between the top end of the supporting rod (5) and the top end inner wall of the active groove (25), and the bottom end of the supporting rod (5) is fixedly connected with the top end of the mounting box (4).

4. The bearing component polishing apparatus of claim 3, wherein: The top end side wall of the supporting rod (5) is fixedly installed with two symmetrically distributed limiting blocks, and limiting grooves matched with the limiting blocks are formed in the inner wall of the active groove (25).

5. The bearing component polishing apparatus of claim 2, wherein: The two sides of the mounting box (4) are fixedly installed with supporting plates (9), the top ends of the two supporting plates (9) are fixedly installed with stable rods (8), and the top ends of the two stable rods (8) are slidably penetrated through the support frame (2).

6. The bearing component polishing apparatus of claim 1, wherein: The driving assembly comprises a mounting base (11) fixedly mounted on the piston shaft end of the third cylinder (22), a first speed reducer motor (12) fixedly mounted on the top end of the mounting base (11), and a supporting roller (14) fixedly sleeved on the side wall of the output shaft of the first speed reducer motor (12), and a polishing ring (13) fixedly sleeved on the side wall of the supporting roller (14).

7. The bearing part polishing apparatus according to claim 1, wherein: The base (1) is fixedly provided with rubber pads on the top end, and the side walls of the opposite ends of the two clamping blocks (3) are fixedly sleeved with anti-skid pads.

Images