Bearing inner ring polishing device

Abstract

The utility model discloses a bearing inner ring polishing device which comprises a base, a servo motor is arranged above the base in a suspended mode, a rotating shaft is fixedly connected to the output end of the servo motor, connecting rods are horizontally and evenly distributed on the surface of the outer ring of the bottom end of the rotating shaft in the circumferential direction, and fixing rings are fixedly connected to the ends of the connecting rods. Telescopic pieces are evenly distributed on the surface of the outer ring of the fixing ring in the circumferential direction, and a polishing strip is installed at the end of each telescopic piece. When the device is used, the polishing strip is tightly attached to the inner ring of the bearing, the two clamping plates tightly clamp the outer portion of the bearing and are matched with the polishing strip, the bearing can be extruded on the inner side and the outer side, the stability of clamping the bearing is improved, the bearing is prevented from being unstable during polishing, meanwhile, the polishing strip is shrunk in the inner ring of the bearing, and the polishing effect is good. And the polishing strip is tightly attached to the bearing inner ring, so that the bearing inner ring can be well polished.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing polishing, in particular to a bearing inner ring polishing device. 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. During the processing of bearings, in order to ensure their sliding effect during use, polishing machines are generally used to polish the inner and outer rings of the bearings.

[0003] According to the contents recorded in the patent document with the publication number CN219882171U, two movable positioning rods are provided to clamp the bearing for subsequent polishing. However, when the polishing column polishes the inner ring of the bearing, it will generate vibration and transmit the vibration to the bearing. Only two positioning rods attached to the outside of the bearing clamp the outer ring of the bearing, which cannot ensure the stability of the bearing during the processing. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a bearing inner ring polishing device, in which the polishing strip fits tightly on the bearing inner ring, and two clamping plates are tightly clamped on the outside of the bearing, so that the bearing can be squeezed on the inside and outside to prevent the bearing from being unstable during polishing. At the same time, the polishing strip fits tightly on the bearing inner ring, so the bearing inner ring can be polished well.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a bearing inner ring polishing device, comprising a base, a servo motor is suspended above the base, a rotating shaft is fixedly connected to the output end of the servo motor, connecting rods are evenly distributed horizontally along the circumferential direction on the outer ring surface of the bottom end of the rotating shaft, a fixing ring is fixedly connected to the end of the connecting rod, and telescopic parts are evenly distributed along the circumferential direction on the outer ring surface of the fixing ring, and a polishing strip is installed on the end of each group of the telescopic parts; when the bearing sleeve is arranged outside the polishing strip, the polishing strip and the telescopic part are squeezed, and the telescopic part drives the polishing strip to be closely attached to the inner ring surface of the bearing;

[0006] Furthermore, the telescopic part includes a fixing plate evenly distributed on the outer ring surface of the fixing ring along the circumferential direction, and a telescopic rod is installed on the outer surface of the other side of the fixing plate. The telescopic end of the telescopic rod is connected to the polishing strip, and a spring is provided on the outside of the telescopic rod. The spring is fixedly connected between the fixing plate and the wall surface of the polishing strip.

[0007] As a preferred technical solution of the utility model, a movable groove is horizontally opened inside the base, a double-threaded rod is rotatably installed in the movable groove, ball nuts are respectively sleeved on both ends of the double-threaded rod, an L-shaped rod is vertically fixedly connected to the upper surface of the ball nut, and a clamping plate is fixedly provided on the opposite surface of the two L-shaped rods, and the clamping plate is located directly below the polishing strip;

[0008] Furthermore, the threads at both ends of the outer ring surface of the double-threaded rod are in opposite directions, one end thereof extends to the outside of the base, and a rotating handle is fixedly provided on the end;

[0009] Furthermore, a slide groove is provided on the upper surface of the base at a position corresponding to the L-shaped rod, and the L-shaped rod is slidably arranged in the slide groove.

[0010] As a preferred technical solution of the utility model, a support frame is fixedly installed on one side of the middle part of the top outer wall of the base, a cylinder is fixedly installed on the top of the support frame, a mounting plate is installed on the output end of the cylinder, and a servo motor is installed on the lower surface of the mounting plate.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] When the device is in use, the telescopic rod, spring and polishing strip are set. Under the action of the telescopic rod and the spring, the polishing strip fits tightly on the inner ring of the bearing, and the two clamping plates are tightly clamped on the outside of the bearing, which cooperate with the polishing strip to squeeze the bearing on the inside and outside, thereby improving the stability of the bearing clamping and preventing the bearing from being unstable during polishing. At the same time, the polishing strip shrinks to the inner ring of the bearing, and the polishing strip fits tightly against the inner ring of the bearing, so that the inner ring of the bearing can be polished well. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a top view of the polishing strip of the utility model;

[0015] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle;

[0016] Figure 4 This is a schematic diagram of the base structure of the utility model;

[0017] Among them: 1. base; 2. support frame; 3. cylinder; 4. mounting plate; 5. servo motor; 501. rotating shaft; 6. polishing strip; 7. double threaded rod; 701. movable groove; 8. turning handle; 9. ball nut; 10. L-shaped rod; 1001. slide groove; 11. splint; 12. connecting rod; 13. fixing ring; 14. telescopic part; 1401. fixing plate; 1402. telescopic rod; 1403. spring. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.

[0019] Example

[0020] like Figure 1 , Figure 2 , Figure 3 As shown, the utility model provides a bearing inner ring polishing device, comprising a base 1, a servo motor 5 is suspended above the base 1, a rotating shaft 501 is fixedly connected to the output end of the servo motor 5, connecting rods 12 are evenly distributed horizontally along the circumferential direction on the outer ring surface of the bottom end of the rotating shaft 501, a fixing ring 13 is fixedly connected to the end of the connecting rod 12, telescopic parts 14 are evenly distributed along the circumferential direction on the outer ring surface of the fixing ring 13, a polishing strip 6 is installed on the end of each group of telescopic parts 14, the telescopic parts 14 include fixing plates 1401 evenly distributed on the outer ring surface of the fixing ring 13 along the circumferential direction, a telescopic rod 1402 is installed on the outer surface of the other side of the fixing plate 1401, the telescopic end of the telescopic rod 1402 is connected to the polishing strip 6, and a spring 1403 is sleeved on the outside thereof, and the spring 1403 is fixedly connected between the fixing plate 1401 and the wall surface of the polishing strip 6;

[0021] When using this device, all the polishing strips 6 are squeezed, and the bearing sleeve is arranged outside the polishing strips 6. The inner ring of the bearing continues to squeeze the polishing strips 6. The polishing strips 6 squeeze the telescopic rod 1402 and the spring 1403. The spring 1403 is deformed by the force, thereby having elastic potential energy to restore to its original shape, which has a tendency to drive the polishing strips 6 to rebound, so that the polishing strips 6 fit tightly to the inner ring of the bearing, and the cylinder 3 is started. The cylinder 3 drives the mounting plate 4, that is, the servo motor 5 to move downward. The servo motor 5 drives the polishing strips 6 to move downward between the two clamping plates 11, and the turning handle 8 is turned. The turning handle 8 drives the double-threaded rod 7 to rotate, and the L-shaped rod 10 drives the clamping plates 11 to move closer to each other to clamp the bearing, and the polishing strips 6 shrink to the inner ring of the bearing, and the servo motor 5 is started. The motor 5 drives the rotating shaft 501 to rotate, and the rotating shaft 501 rotates the polishing strip 6 through the connecting rod 12 and the fixing ring 13. The polishing strip 6 is in close contact with the inner ring of the bearing, and the inner ring of the bearing can be polished well. When the device is in use, the telescopic rod 1402, the spring 1403, and the polishing strip 6 are set. Under the action of the telescopic rod 1402 and the spring 1403, the polishing strip 6 is tightly fitted on the inner ring of the bearing. The two clamping plates 11 are tightly clamped on the outside of the bearing, and they cooperate with the polishing strip 6 to squeeze the bearing on the inside and outside, thereby improving the stability of the bearing clamping and preventing the bearing from being unstable during polishing. At the same time, the polishing strip 6 shrinks to the inner ring of the bearing, and the polishing strip 6 is in close contact with the inner ring of the bearing, and the inner ring of the bearing can be polished well.

[0022] like Figure 1 , Figure 4 As shown, a movable groove 701 is horizontally provided inside the base 1, and a double-threaded rod 7 is rotatably installed in the movable groove 701. Ball nuts 9 are respectively sleeved on both ends of the double-threaded rod 7, and an L-shaped rod 10 is vertically fixedly connected to the upper surface of the ball nut 9. A clamping plate 11 is fixedly provided on the opposite side of the two L-shaped rods 10, and the clamping plate 11 is located directly below the polishing strip 6. The threads at both ends of the outer ring surface of the double-threaded rod 7 are in opposite directions, one end of which extends to the outside of the base 1, and a turning handle 8 is fixedly provided on the end. A sliding groove 1001 is provided on the upper surface of the base 1 corresponding to the L-shaped rod 10, and the L-shaped rod 10 is slidably arranged in the sliding groove 1001. A support frame 2 is fixedly installed on one side of the middle part of the outer wall of the top end of the base 1, and a cylinder 3 is fixedly installed on the top of the support frame 2, and a mounting plate 4 is mounted on the output end of the cylinder 3, and a servo motor 5 is mounted on the lower surface of the mounting plate 4.

[0023] When using this device, the bearing sleeve is arranged outside the polishing strip 6, and the cylinder 3 is started. The cylinder 3 drives the mounting plate 4, that is, the servo motor 5 to move downward, and the servo motor 5 drives the polishing strip 6 to move downward between the two clamping plates 11, and the turning handle 8 is rotated. The turning handle 8 drives the double-threaded rod 7 to rotate. Since the threads at both ends of the outer ring surface of the double-threaded rod 7 are in opposite directions, when the double-threaded rod 7 is rotating, the two ball nuts 9 sleeved thereon will move closer to or away from each other according to the rotation direction of the double-threaded rod 7, so that the two ball nuts 9 are close to each other, and the ball nut 9 drives the L-shaped rod 10 to move, and the L-shaped rod 10 drives the clamping plates 11 to move closer to each other to clamp the bearing, and the polishing strip 6 shrinks to the inner ring of the bearing, and the servo motor 5 is started. The servo motor 5 drives the polishing strip 6 to rotate, and the polishing strip 6 polishes the inner ring of the bearing.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bearing inner ring polishing device, comprising a base (1), a servo motor (5) suspended above the base (1), a rotating shaft (501) fixedly connected to the output end of the servo motor (5), characterized in that: The bottom end of the rotating shaft (501) is provided with Connecting rods (12) uniformly distributed horizontally on the outer ring surface of the rotating shaft (501) along the circumferential direction; A fixing ring (13) fixedly connected to the end of the connecting rod (12); Telescopic parts (14) uniformly distributed on the outer surface of the fixing ring (13) along the circumferential direction; A polishing strip (6) mounted on the end of each set of telescopic members (14); When the bearing sleeve is arranged outside the polishing strip (6), the polishing strip (6) and the telescopic member (14) are squeezed, and the telescopic member (14) drives the polishing strip (6) to be closely attached to the inner ring surface of the bearing.

2. A bearing inner ring polishing device according to claim 1, characterized in that: The telescopic member (14) comprises a fixing plate (1401) uniformly distributed on the outer surface of the fixing ring (13) along the circumferential direction, a telescopic rod (1402) is installed on the outer surface of the other side of the fixing plate (1401), the telescopic end of the telescopic rod (1402) is connected to the polishing strip (6), and a spring (1403) is sleeved on the outside of the telescopic rod (1402), and the spring (1403) is fixedly connected between the fixing plate (1401) and the wall surface of the polishing strip (6).

3. A bearing inner ring polishing device according to claim 1, characterized in that: A movable groove (701) is horizontally opened inside the base (1), a double-threaded rod (7) is rotatably mounted in the movable groove (701), ball nuts (9) are respectively sleeved on both ends of the double-threaded rod (7), an L-shaped rod (10) is vertically fixedly connected to the upper surface of the ball nut (9), a clamping plate (11) is fixedly provided on the opposite side of the two L-shaped rods (10), and the clamping plate (11) is located directly below the polishing strip (6).

4. A bearing inner ring polishing device according to claim 3, characterized in that: The threads at both ends of the outer ring surface of the double-threaded rod (7) are in opposite directions, one end of the double-threaded rod (7) extends to the outside of the base (1), and a rotating handle (8) is fixedly provided on the end.

5. The bearing inner ring polishing device according to claim 3, characterized in that: A sliding groove (1001) is provided on the upper surface of the base (1) at a position corresponding to the L-shaped rod (10), and the L-shaped rod (10) is slidably arranged in the sliding groove (1001).

6. A bearing inner ring polishing device according to claim 1, characterized in that: A support frame (2) is fixedly mounted on one side of the middle portion of the top outer wall of the base (1), a cylinder (3) is fixedly mounted on the top of the support frame (2), a mounting plate (4) is mounted on the output end of the cylinder (3), and a servo motor (5) is mounted on the lower surface of the mounting plate (4).

Images