Polishing device for outer end face of oil bearing

Abstract

The utility model discloses an oil bearing outer end face polishing device, which belongs to the technical field of polishing devices and comprises a rack, a turntable is arranged in the middle of the upper end of the rack, a plurality of fixing components are fixed on the surface of the turntable in a surrounding manner, a rotating component is arranged at the bottom of the turntable, and a slide rail is fixed on a side bracket of the rack. A sliding rail is arranged on the supporting disc, a gear motor is arranged at the upper end of the sliding rail, a rotating shaft of the gear motor is connected with a reciprocating lead screw, the surface of the reciprocating lead screw is connected with a movable seat, and the side edge of the movable seat is connected with a grinding motor. And the movable block moves to push the connecting rod to move, the connecting rod pushes the fixing pin to extend out of the fixing seat, and the fixing pin abuts against the inner wall of the oil bearing, so that the oil bearing is fixed, the oil bearing is prevented from moving during grinding, and the grinding stability is improved.

Description

Technical Field

[0001] This utility model belongs to the technical field of grinding devices, specifically relating to a grinding device for the outer end face of an oil-impregnated bearing. Background Technology

[0002] Oil-impregnated bearings, also known as porous bearings, use metal powder as the main raw material. Oil-impregnated bearings are sintered bodies made by powder metallurgy, which are inherently porous. Moreover, they have the technical advantage of being able to freely adjust the number, size, shape and distribution of pores during the manufacturing process.

[0003] Chinese patent application number 202123305967.5 discloses a grinding device for the outer end face of an oil-impregnated bearing, comprising: a turntable driven to rotate by a first geared motor, with multiple evenly distributed fixed seats on its upper end for positioning the oil-impregnated bearing; a grinding head driven by a motor for removing burrs from the end face of the oil-impregnated bearing; and a lifting assembly with horizontally arranged, wave-shaped grooves for engaging the grinding head, allowing the grinding head to rise and fall by engaging different positions in the grooves. When grinding begins, the grinding head remains rotating under the drive of the motor; the turntable rotates to transport the oil-impregnated bearing; the lifting assembly operates synchronously with the turntable, and when the oil-impregnated bearing is directly below the grinding head, the grinding head engages at the trough of the groove to grind the bearing; after grinding, the grinding head moves towards the crest and disengages from the bearing; this process is repeated to achieve batch end grinding of oil-impregnated bearings. This invention replaces manual labor, improving efficiency and preventing damage to the oil-impregnated bearing.

[0004] The aforementioned patent has the following drawbacks in use: the fixed seat structure is simple, which makes the oil-impregnated bearing unstable and affects the grinding of the outer end face of the oil-impregnated bearing. At the same time, the first reduction motor drives the gear to rotate, which in turn drives the turntable to rotate through the slewing bearing. The vibration of the turntable during grinding can easily cause deflection, affecting the grinding quality. Utility Model Content

[0005] To address the problems mentioned in the background section, this invention provides a grinding device for the outer end face of an oil-impregnated bearing, characterized by secure fixing of the oil-impregnated bearing and stable rotation of the turntable.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a grinding device for the outer end face of an oil-impregnated bearing, comprising a frame, a turntable disposed at the middle of the upper end of the frame, a plurality of fixed components fixed around the surface of the turntable, a rotating component disposed at the bottom of the turntable, a slide rail fixed to the side support of the frame, a reduction motor disposed at the upper end of the slide rail, a reciprocating lead screw connected to the shaft of the reduction motor, a movable seat connected to the surface of the reciprocating lead screw, a grinding motor connected to the side of the movable seat, and a grinding head connected to the shaft of the grinding motor.

[0007] Preferably, the fixing component includes a fastening component, a support plate, a support rod, and a mounting block, wherein the upper end of the mounting block is provided with a support rod, the top of the support rod is provided with a fastening component, and the surface of the support rod is connected to the support plate.

[0008] Preferably, the fastening assembly includes a fixed base, a screw, a connecting rod, a fixing pin, a movable block, and a connecting bearing. The fixed base has a connecting bearing at its bottom, a screw at its upper end, a movable block on its surface, connecting rods at equal intervals on the sides of the movable block, and a fixing pin on the side of the connecting rod.

[0009] Preferably, the fixing pin and the fixing seat are slidably connected, and the connecting rod is rotatably connected to the fixing pin and the moving block respectively.

[0010] Preferably, the rotating assembly includes a rotating column, a worm gear, a worm, a drive motor, and a mounting frame. The mounting frame is provided at the bottom of the frame, the rotating column is provided in the middle of the bottom of the turntable, the worm gear is installed at the lower end of the rotating column, the drive motor is provided on the inner side of the mounting frame, and the worm is fixed to the rotating shaft of the drive motor.

[0011] Preferably, the worm gear meshes with the worm gear, and the connection between the rotating column and the frame is coated with lubricant.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This utility model is equipped with a fixing component. The support plate is rotated to adjust the support plate to a suitable height. The oil-impregnated bearing to be ground is placed on the support plate. The screw is rotated to move the moving block down on the screw surface. The movement of the moving block pushes the connecting rod to move. The connecting rod pushes the fixing pin to extend out of the fixing seat. The fixing pin abuts against the inner wall of the oil-impregnated bearing to fix the oil-impregnated bearing, preventing the oil-impregnated bearing from moving during grinding and improving grinding stability.

[0014] 2. This utility model is equipped with a rotating component. The drive motor rotates, which drives the worm gear to rotate. The worm gear drives the rotating column where the worm gear is located to drive the turntable to rotate, so that the oil-impregnated bearing rotates stably for grinding. During the grinding process, the turntable will not rotate back, ensuring stable grinding. Attached Figure Description

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

[0016] Figure 2 This is a schematic diagram of the fixing component structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the fastening component structure of this utility model;

[0018] Figure 4This is a schematic diagram of the rotating component structure of this utility model;

[0019] In the diagram: 1. Frame; 2. Turntable; 3. Fixing assembly; 31. Fastening assembly; 311. Fixing base; 312. Screw; 313. Connecting rod; 314. Fixing pin; 315. Moving block; 316. Connecting bearing; 32. Support plate; 33. Support rod; 34. Mounting block; 4. Grinding motor; 5. Moving base; 6. Gearbox; 7. Reciprocating screw; 8. Slide rail; 9. Grinding head; 10. Rotating assembly; 101. Rotating column; 102. Worm gear; 103. Worm; 104. Drive motor; 105. Mounting bracket. Detailed Implementation

[0020] 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.

[0021] Example 1

[0022] Please see Figure 1-4 The present invention provides the following technical solution: a grinding device for the outer end face of an oil-impregnated bearing, comprising a frame 1, a turntable 2 is provided at the middle of the upper end of the frame 1, a plurality of fixing components 3 are fixed around the surface of the turntable 2, a rotating component 10 is provided at the bottom of the turntable 2, a slide rail 8 is fixed on the side support of the frame 1, a reduction motor 6 is provided at the upper end of the slide rail 8, a reciprocating lead screw 7 is connected to the shaft of the reduction motor 6, a movable seat 5 is connected to the surface of the reciprocating lead screw 7, a grinding motor 4 is connected to the side of the movable seat 5, and a grinding head 9 is connected to the shaft of the grinding motor 4.

[0023] Specifically, the fixing component 3 includes a fastening component 31, a support plate 32, a support rod 33, and a mounting block 34. The upper end of the mounting block 34 is provided with the support rod 33, the top of the support rod 33 is provided with the fastening component 31, and the surface of the support rod 33 is connected to the support plate 32.

[0024] By adopting the above technical solution, the support plate 32 is rotated to adjust the support plate 32 to a suitable height, the oil-impregnated bearing to be ground is placed on the support plate 32, and the fastening component 31 abuts against the inner wall of the oil-impregnated bearing to fix the oil-impregnated bearing, thereby preventing the oil-impregnated bearing from moving during grinding and improving grinding stability.

[0025] Specifically, the fastening assembly 31 includes a fixed base 311, a screw 312, a connecting rod 313, a fixing pin 314, a moving block 315, and a connecting bearing 316. The fixed base 311 has a connecting bearing 316 at its bottom, the connecting bearing 316 has a screw 312 connected to its upper end, the screw 312 has a moving block 315 on its surface, the moving block 315 has a connecting rod 313 connected at equal intervals on its side, and the connecting rod 313 has a fixing pin 314 connected to its side.

[0026] By adopting the above technical solution, rotating the screw 312 causes the moving block 315 to move down on the surface of the screw 312. The movement of the moving block 315 pushes the connecting rod 313 to move. The connecting rod 313 pushes the fixing pin 314 to extend out of the fixing seat 311. The fixing pin 314 abuts against the inner wall of the oil-impregnated bearing, thus fixing the oil-impregnated bearing and preventing it from moving due to grinding.

[0027] Specifically, the fixed pin 314 is slidably connected to the fixed base 311, and the connecting rod 313 is rotatably connected to the fixed pin 314 and the moving block 315 respectively.

[0028] By adopting the above technical solution, it is ensured that the moving block 315 moves to push the connecting rod 313 to move, the connecting rod 313 pushes the fixing pin 314 to extend out of the fixing seat 311, and the fixing pin 314 abuts against the inner wall of the oil-impregnated bearing.

[0029] In this embodiment, the support plate 32 is rotated to adjust it to a suitable height. The oil-impregnated bearing to be polished is placed on the support plate 32. The screw 312 is rotated to move the moving block 315 down on the surface of the screw 312. The moving block 315 moves and pushes the connecting rod 313 to move. The connecting rod 313 pushes the fixing pin 314 out of the fixing seat 311. The fixing pin 314 abuts against the inner wall of the oil-impregnated bearing to fix the oil-impregnated bearing, preventing it from moving during polishing and improving polishing stability. The shaft of the reduction motor 6 drives the reciprocating screw 7 to rotate. The reciprocating screw 7 drives the moving seat 5 to move up and down reciprocally. The polishing motor 4 connected to the side of the moving seat 5 drives the grinding head 9 to polish the outer end face of the oil-impregnated bearing.

[0030] Example 2

[0031] The difference between this embodiment and the previous embodiment is that the rotating assembly 10 includes a rotating column 101, a worm gear 102, a worm 103, a drive motor 104, and a mounting frame 105. The mounting frame 105 is provided at the bottom of the frame 1, the rotating column 101 is provided in the middle of the bottom of the turntable 2, the worm gear 102 is installed at the lower end of the rotating column 101, the drive motor 104 is provided on the inner side of the mounting frame 105, and the worm 103 is fixed to the rotating shaft of the drive motor 104.

[0032] By adopting the above technical solution, the drive motor 104 rotates, which drives the worm gear 103 to rotate. The worm gear 103 drives the worm gear 102 to rotate. The rotating column 101 where the worm gear 102 is located drives the turntable 2 to rotate, so that the oil-impregnated bearing rotates stably for grinding. During the grinding process, the turntable 2 will not rotate back, ensuring stable grinding.

[0033] Specifically, the worm 103 is meshed with the worm gear 102, and the connection between the rotating column 101 and the frame 1 is coated with lubricant.

[0034] By adopting the above technical solution, it is ensured that the worm gear 103 drives the worm gear 102 to rotate, and the rotating column 101 where the worm gear 102 is located drives the turntable 2 to rotate, so that the oil-impregnated bearing rotates stably for grinding, and the turntable 2 will not rotate back during the grinding process.

[0035] In this embodiment, the drive motor 104 rotates, causing the worm gear 103 to rotate. The worm gear 103 drives the worm gear 102 to rotate. The rotating column 101 where the worm gear 102 is located drives the turntable 2 to rotate, so that the oil-impregnated bearing rotates stably for grinding. During the grinding process, the turntable 2 will not rotate back, ensuring stable grinding.

[0036] The working principle and usage process of this utility model are as follows: When using this utility model, rotate the support plate 32 to adjust it to a suitable height. Place the oil-impregnated bearing to be ground on the support plate 32. Rotate the screw 312 to move the moving block 315 downwards on the surface of the screw 312. The movement of the moving block 315 pushes the connecting rod 313 to move. The connecting rod 313 pushes the fixing pin 314 out of the fixing seat 311. The fixing pin 314 abuts against the inner wall of the oil-impregnated bearing, fixing the bearing and preventing it from moving during grinding, thus improving grinding stability. The geared motor 6 drives the reciprocating screw 7 to rotate, which in turn drives the moving seat 5 to move up and down. The grinding motor 4 connected to the side of the moving seat 5 drives the grinding head 9 to grind the outer end face of the oil-impregnated bearing. The drive motor 104 rotates, which drives the worm gear 103 to rotate. The worm gear 103 drives the worm gear 102 to rotate. The rotating column 101 where the worm gear 102 is located drives the turntable 2 to rotate. The ground oil-impregnated bearing rotates away, and the unground oil-impregnated bearing moves to the bottom of the grinding head 9 for grinding. During the grinding process, the turntable 2 will not rotate back, ensuring stable grinding.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A grinding device for the outer end face of an oil-impregnated bearing, comprising a frame (1), characterized in that: A turntable (2) is provided at the middle of the upper end of the frame (1). Several fixing components (3) are fixed around the surface of the turntable (2). A rotating component (10) is provided at the bottom of the turntable (2). A slide rail (8) is fixed on the side support of the frame (1). A reduction motor (6) is provided at the upper end of the slide rail (8). A reciprocating screw (7) is connected to the shaft of the reduction motor (6). A moving seat (5) is connected to the surface of the reciprocating screw (7). A grinding motor (4) is connected to the side of the moving seat (5). A grinding head (9) is connected to the shaft of the grinding motor (4).

2. The oil-impregnated bearing outer end face grinding device according to claim 1, characterized in that: The fixing component (3) includes a fastening component (31), a support plate (32), a support rod (33) and a mounting block (34). The upper end of the mounting block (34) is provided with a support rod (33), the top of the support rod (33) is provided with a fastening component (31), and the surface of the support rod (33) is connected to the support plate (32).

3. The oil-impregnated bearing outer end face grinding device according to claim 2, characterized in that: The fastening assembly (31) includes a fixed base (311), a screw (312), a connecting rod (313), a fixing pin (314), a moving block (315), and a connecting bearing (316). The fixed base (311) is provided with a connecting bearing (316) at its bottom. The upper end of the connecting bearing (316) is connected to the screw (312). The surface of the screw (312) is provided with a moving block (315). The side of the moving block (315) is connected to the connecting rod (313) at equal intervals. The side of the connecting rod (313) is connected to the fixing pin (314).

4. The oil-impregnated bearing outer end face grinding device according to claim 3, characterized in that: The fixing pin (314) is slidably connected to the fixing seat (311), and the connecting rod (313) is rotatably connected to the fixing pin (314) and the moving block (315) respectively.

5. The oil-impregnated bearing outer end face grinding device according to claim 1, characterized in that: The rotating assembly (10) includes a rotating column (101), a worm gear (102), a worm (103), a drive motor (104), and a mounting frame (105). The mounting frame (105) is provided at the bottom of the frame (1), the rotating column (101) is provided in the middle of the bottom of the turntable (2), the worm gear (102) is installed at the lower end of the rotating column (101), the drive motor (104) is provided on the inner side of the mounting frame (105), and the worm (103) is fixed on the shaft of the drive motor (104).

6. The oil-impregnated bearing outer end face grinding device according to claim 5, characterized in that: The worm (103) meshes with the worm gear (102), and the connection between the rotating column (101) and the frame (1) is coated with lubricant.

Images