CN116141095A

CN116141095A - Bearing outer ring grinding device and grinding method

Info

Publication number: CN116141095A
Application number: CN202310222516.XA
Authority: CN
Inventors: 任增斌; 张力
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-05-23

Abstract

The invention relates to the technical field of bearing machining, in particular to a bearing outer ring grinding device, which comprises a workbench, wherein a waste falling port is formed in the middle of the workbench, a first clamping mechanism is arranged on the upper surface of the workbench, the first clamping mechanism comprises a first clamping piece, a second clamping piece and a synchronous driving mechanism, a second clamping mechanism is further arranged on the upper surface of the workbench, the second clamping mechanism comprises a third clamping piece, a fourth clamping piece and a first linear driving device, and a grinding mechanism is arranged above the waste falling port; the bearing outer ring grinding device comprises a bearing outer ring, a first clamping piece, a second clamping piece, a third clamping piece, a fourth clamping piece and a grinding mechanism, wherein the first clamping piece, the second clamping piece, the third clamping piece and the fourth clamping piece can be fixed on the outer side and the inner diameter of the bearing outer ring, and the grinding mechanism can grind the outer side and the inner side of the bearing outer ring, so that one grinding device can grind the inner side and the outer side of the bearing outer ring.

Description

Bearing outer ring grinding device and grinding method

Technical Field

The invention relates to the technical field of bearing machining, in particular to a bearing outer ring grinding device, and particularly relates to a grinding method of the bearing outer ring grinding device.

Background

The bearing is an important part in modern mechanical equipment, and has the main functions of supporting a mechanical rotating body, reducing the friction coefficient in the motion process and ensuring the rotation precision. When the inner ring and the outer ring of the bearing are processed, the following process flow is generally included; bar material, forging, turning, heat treatment, grinding, superfinishing, part final inspection, rust prevention and warehousing. The bearing ring after heat treatment also needs to be ground, which is an important link for ensuring the bearing precision. After the grinding, the production process of the bearing ring is basically finished.

The existing bearing outer ring is usually clamped on the inner side of the bearing outer ring to be ground in the grinding process, the outer side of the bearing outer ring is ground, then the outer side of the bearing outer ring to be ground is clamped, and the inner side of the bearing inner ring is ground.

Disclosure of Invention

In order to solve the problems, the invention provides a bearing outer ring grinding device, which is provided with a first clamping piece, a second clamping piece, a third clamping piece, a fourth clamping piece and a grinding mechanism, wherein the first clamping piece, the second clamping piece, the third clamping piece and the fourth clamping piece can be fixed on the bearing outer ring from the outer side and the inner diameter of the bearing outer ring, and the grinding mechanism can grind the outer side and the inner side of the bearing outer ring, so that one grinding device can grind the inner side and the outer side of the bearing outer ring.

In order to solve the problems in the prior art, the invention adopts the following technical scheme:

the utility model provides a bearing outer lane grinding device, the rectangular workbench including the level setting, the middle part of workstation sets up the waste material and drops the mouth, the upper surface of workstation is provided with first fixture along its length direction, first fixture is including the outside that can be from the bearing outer lane and inboard clamping bearing outer lane first holder and second holder, first holder and second holder are with sending out material and drop mouthful symmetry setting, first fixture is still including being used for driving first holder and second holder synchronous opposite movement in opposite directions and synchronous driving mechanism that moves in opposite directions simultaneously, the upper surface of workstation is provided with second fixture along its width direction, second fixture is including the outside that can be from the bearing outer lane and inboard clamping bearing outer lane third holder and fourth holder, the one end that waste material dropped the mouth is kept away from to third holder and fourth holder all is provided with first linear drive device, the connecting line quadrature between third holder and the fourth holder and the first holder, the top that waste material dropped the mouth is provided with inboard and can grind the bearing outer lane.

Preferably, the first clamping piece comprises a mounting seat, a first mounting cavity and a second mounting cavity are formed in the upper surface of the mounting seat, a third mounting cavity is formed in the lower surface of the mounting seat, the first mounting cavity and the second mounting cavity are respectively communicated with the third mounting cavity, an inner clamping block is slidably arranged in the first mounting cavity, a first supporting frame is arranged at the lower end of the inner clamping block, the upper end of the first supporting frame is fixedly connected with the lower end of the inner clamping block, the lower end of the first supporting frame downwards stretches into the third mounting cavity, an outer clamping block is slidably arranged in the second mounting cavity, a second supporting frame is arranged at the lower end of the outer clamping block, the upper end of the second supporting frame is fixedly connected with the lower end of the outer clamping block, the lower end of the second supporting frame downwards stretches into the third mounting cavity, the first supporting frame is parallel to the second supporting frame, and an asynchronous lifting mechanism for driving the first supporting frame and the second supporting frame to lift is arranged in the third mounting cavity.

Preferably, the asynchronous lifting mechanism comprises two threaded rods, the two threaded rods are vertically arranged at the lower part of the first support frame and the lower part of the second support frame respectively, the two threaded rods are fixedly connected with the first support frame and the second support frame respectively, the first threaded sleeves are sleeved on the two threaded rods, driven gears are sleeved outside the two first threaded sleeves, the driven gears are fixedly connected with the first threaded sleeves, a driving gear is arranged between the two driven gears and is in meshed transmission connection with the two driven gears, an upper limiting plate is arranged above the driving gear, the upper surface of the upper limiting plate is in butt joint with the top of the third mounting cavity, the lower surface of the upper limiting plate is in butt joint with the upper surface of the two driven gears, a lower limiting plate is arranged below the driving gear, the upper surface of the lower limiting plate is in butt joint with the lower surfaces of the two driven gears, a first motor is arranged below the lower limiting plate, and an output shaft of the first motor is connected with the driving gear.

Preferably, the synchronous driving mechanism comprises two connecting arms, one ends of the two connecting arms are respectively connected with one ends of the two mounting seats, which are far away from the waste falling opening, the connecting arms and the mounting seats are in the same straight line, the other ends of the two connecting arms are respectively provided with a moving block, the moving blocks are orthogonal with the connecting arms, one ends of the moving blocks are fixedly connected with the connecting arms, a rotating shaft is arranged between the other ends of the two moving blocks, two ends of the rotating shaft respectively penetrate through the two moving blocks, two ends of the rotating shaft are respectively sleeved with a second threaded sleeve, the two second threaded sleeves are respectively fixedly connected with the two moving blocks, and a driving structure for driving the rotating shaft to rotate is arranged in the middle of the rotating shaft.

Preferably, the two ends of two linking arms all are provided with first limit structure, first limit structure includes two first limiting plates, two first limiting plates are parallel with the linking arm, the lower extreme of first limiting plate and the last fixed surface of workstation are connected, first spacing spout has been seted up along the length direction of linking arm to the upper end of first limiting plate, be provided with spacing connecting axle between two first limiting plates, the linking arm is passed at the middle part of spacing connecting axle, the both ends of linking arm are respectively in the first spacing spout sliding connection on two first limiting plates.

Preferably, the second limiting structure is arranged on two sides of the mounting seat of the third clamping piece and the fourth clamping piece, the second limiting structure comprises two first limiting sliding blocks, the two first limiting sliding blocks are fixedly connected with two sides of the mounting seat respectively, one sides of the two first limiting sliding blocks are provided with first limiting sliding ways, one side of each first limiting sliding way, which faces the first limiting sliding block, is provided with a second limiting sliding way, and the first limiting sliding blocks are in sliding connection with the second limiting sliding ways.

Preferably, the grinding mechanism comprises a rotating disk, two third limit sliding grooves which are symmetrically arranged are formed in the rotating disk, two grinding mechanisms are symmetrically arranged on the upper portion of the rotating disk, each grinding mechanism comprises a first hood, the first hood is in sliding connection with the corresponding third limit sliding groove, a second motor is arranged in the first hood, a grinding wheel is arranged at the lower end of the second motor, the grinding wheel is in transmission connection with an output shaft of the second motor, a reinforcing frame is arranged on the outer cover of the grinding wheel, two pulling structures which are symmetrically arranged relative to the rotating disk are arranged between the two grinding mechanisms, each pulling structure comprises a first linear driving device and two pull rods, the first linear driving device is orthogonal to a connecting line of the two grinding mechanisms, one end of each pull rod is hinged to the middle of the first hood towards the rotating disk, and the other end of each pull rod is hinged to the output end of each first linear driving device.

Preferably, the two sides of the first hood are provided with third limit structures, each third limit structure comprises two second limit sliding blocks, each second limit sliding block is arranged on the side face of the first hood along the direction of each third limit sliding groove, one side of each second limit sliding block is provided with a second limit sliding way, each second limit sliding way faces one side of each second limit sliding block to be provided with a third limit sliding groove, and each second limit sliding block is in sliding connection with each third limit sliding groove.

Preferably, the top of rotary disk is provided with revolution mechanic, revolution mechanic includes the connection pad, connection pad and rotary disk fixed connection, the upper portion of connection pad is provided with the third motor, the output shaft of third motor is connected with the middle part transmission of connection pad, the outside cover of third motor is equipped with the second aircraft bonnet, one side of second aircraft bonnet is provided with elevation structure, elevation structure includes the fixed column, the bottom and the workstation fixed connection of fixed column, vertical decurrent fourth spacing spout have been seted up on the fixed column, the slip is provided with L type lifting arm in the fourth spacing spout, the tip and the second aircraft bonnet fixed connection of the horizontal segment of L type lifting arm, the vertical segment of L type lifting arm inserts in the fourth spacing spout, be provided with third linear drive in the fourth spacing spout, the actuating end of third linear drive and the end connection of the vertical segment of L type lifting arm.

The grinding method of the bearing outer ring grinding device comprises the following steps:

s1, driving two installation seats to be close to each other by a synchronous driving mechanism, and driving the two installation seats to be close to each other by two first linear driving devices so that four installation seats are in butt joint with each other;

s2, the asynchronous lifting mechanism lifts the inner clamping blocks upwards, the bearing outer ring is placed on the four mounting seats, and then the synchronous driving mechanism and the two first linear driving devices drive the four mounting seats to be away from each other at the same time, so that the four inner clamping blocks provide outward pulling force for the bearing outer ring, and the bearing outer ring is fixed below the grinding mechanism;

s3, the lifting mechanism moves the rotating disc towards the position close to the outer ring of the bearing, the pulling structure pulls the two polishing mechanisms to be abutted with the outer side of the outer ring of the bearing, and then the polishing mechanisms and the rotating structure work to grind the outer side of the outer ring of the bearing;

s4, the outer clamping blocks are lifted upwards by the asynchronous lifting mechanism, the inner clamping blocks are retracted downwards, and the outer ring of the bearing is fixed by the four outer clamping blocks;

s5, the lifting mechanism moves the rotating disc towards the direction away from the bearing outer ring, the two polishing mechanisms are close to each other by the pulling structure, then the lifting mechanism moves the rotating disc towards the direction close to the bearing outer ring, the two polishing mechanisms are abutted against the inner side of the bearing outer ring by the pulling structure, and then the polishing mechanisms and the rotating structure work to grind the inner side of the bearing outer ring.

Compared with the prior art, the invention has the beneficial effects that:

1. the first clamping piece, the second clamping piece, the third clamping piece, the fourth clamping piece and the grinding mechanism are arranged, the structures of the first clamping piece, the second clamping piece, the third clamping piece and the fourth clamping piece are identical, the outer side and the inner diameter of the bearing outer ring can be fixed, and the grinding mechanism can grind the outer side and the inner side of the bearing outer ring, so that one grinding device can grind the inner side and the outer side of the bearing outer ring.

2. The invention is provided with the mounting seat, the inner clamping block, the first supporting frame, the outer clamping block, the second supporting frame and the asynchronous lifting mechanism, the asynchronous lifting mechanism drives the first supporting frame and the second supporting frame to move in opposite directions at the same time, and the first supporting frame and the second supporting frame respectively drive the inner clamping block and the outer clamping block to move, so that the first clamping mechanism and the second clamping mechanism can clamp the bearing outer ring from the inner side and the outer side of the bearing outer ring.

Drawings

FIG. 1 is a front view of a bearing outer race grinding apparatus;

FIG. 2 is a left side view of a bearing cup grinding apparatus;

FIG. 3 is a top view of a bearing outer race grinding apparatus;

FIG. 4 is a perspective view of a bearing outer race grinding apparatus;

FIG. 5 is a perspective view of a first clamp in a bearing outer race grinding apparatus;

FIG. 6 is a cross-sectional view of a first clamp in a bearing cup grinding apparatus;

FIG. 7 is a perspective view of a first clamping mechanism in a bearing outer race grinding apparatus;

FIG. 8 is a perspective view of a second clamping mechanism in a bearing outer race grinding apparatus;

FIG. 9 is a perspective view of a grinding mechanism in a bearing outer race grinding apparatus;

FIG. 10 is a perspective view of a turntable, grinding mechanism and pulling mechanism in a bearing cup grinding apparatus;

FIG. 11 is a perspective view of a turntable, grinding mechanism and pulling mechanism of a bearing cup grinding apparatus;

FIG. 12 is a partial view taken at A in FIG. 11;

FIG. 13 is a perspective view of a rotating structure and a lifting structure in a bearing outer race grinding apparatus;

fig. 14 is a sectional view of a rotating structure and a lifting structure in a bearing outer race grinding apparatus.

The reference numerals in the figures are:

1-a workbench; 11-a waste drop port;

2-a first clamping mechanism;

21-a first clamping member;

211-mounting seats; 2111-a first mounting chamber; 2112-a second mounting chamber; 2113-a third mounting chamber;

212-an inner clamping block;

213-a first support frame;

214-an outer clamping block;

215-a second support frame;

216-an asynchronous lifting mechanism; 2161-threaded rods; 2162—a first threaded sleeve; 2163-driven gears; 2164-drive gear; 2165-upper stop plate; 2166-lower stop plates; 2167—a first motor;

22-a second clamping member;

23-synchronous driving mechanism;

231-connecting arms;

232-moving the block;

233-a rotation axis;

234-a second threaded sleeve;

235-drive structure;

236-a first limit structure; 2361-a first limiting plate; 2362-limit connecting shaft;

3-a second clamping mechanism;

31-a third clamp;

32-fourth clamping member;

33-a first linear drive;

34-a second limiting structure; 341-a first limit slide block; 342-a first limit slide;

4-a grinding mechanism;

41-rotating disc; 411-a third limit chute;

42-a polishing mechanism; 421-a first enclosure; 422-a second motor; 423-grinding wheel; 424-stiffening the frame;

43-a pull structure; 431-a second linear drive; 432-tie rod;

44-a third limit structure; 441-a second limit slide block; 442-a second limit slide;

45-rotating structure; 451-a land; 452-third motor; 453-a second hood;

46-lifting structure;

461-fixing columns; 4611-fourth limit chute;

462-L-shaped lifting arms;

463-third linear drive means.

Detailed Description

The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.

Referring to fig. 1 to 14, there is shown: the utility model provides a bearing outer lane grinding device, rectangular table 1 including the level setting, the middle part of table 1 sets up waste material and drops mouth 11, the upper surface of table 1 is provided with first fixture 2 along its length direction, first fixture 2 is including the outside that can bear the bearing outer lane and inboard clamping bearing outer lane first holder 21 and second holder 22, first holder 21 and second holder 22 are about sending out material and drop mouthful symmetry setting, first fixture 2 still includes the synchronous actuating mechanism 23 that is used for simultaneously driving first holder 21 and second holder 22 synchronous opposite movement and synchronous opposite movement, the upper surface of table 1 is provided with second fixture 3 along its width direction, second fixture is including the outside that can bear the outer lane and inboard clamping bearing outer lane third holder 31 and fourth holder 32, the one end that third holder 31 and fourth holder 32 kept away from waste material and drop mouth 11 all is provided with first linear drive 33, the connecting wire between third holder 31 and fourth holder 32 and first holder 21 and the outside that second holder 22 is provided with waste material and drop mouth that can be ground on the grinding device is provided with on the outside of bearing outer lane 4.

The first clamping member 21, the second clamping member 22, the third clamping member 31 and the fourth clamping member 32 are consistent in structure, the synchronous driving mechanism 23 drives the first clamping member 21 and the second clamping member 22 to abut each other, the two first linear driving devices 33 drive the third clamping member 31 and the fourth clamping member 32 to abut each other, a worker places the middle bearing outside the first clamping mechanism 2 and the second clamping mechanism 3, the synchronous driving mechanism 23 and the two first linear driving devices 33 simultaneously drive the first clamping member 21, the second clamping member 22, the third clamping member 31 and the fourth clamping member 32 to fix the bearing outer ring from the inner side of the bearing outer ring, then the synchronous driving mechanism 23 and the two first linear driving devices 33 simultaneously drive the first clamping member 21, the second clamping member 22, the third clamping member 31 and the fourth clamping member 32 to fix the bearing outer ring from the outer side of the bearing outer ring, and then the grinding mechanism 4 grinds the inner side of the bearing outer ring, so that one grinding device can grind the inner side and the outer side of the bearing outer ring.

Referring to fig. 4, 5 and 6, it is shown that: the first clamping piece 21 comprises a mounting seat 211, a first mounting cavity 2111 and a second mounting cavity 2112 are formed in the upper surface of the mounting seat 211, a third mounting cavity 2113 is formed in the lower surface of the mounting seat 211, the first mounting cavity 2111 and the second mounting cavity 2112 are respectively communicated with the third mounting cavity 2113, an inner clamping block 212 is slidably arranged in the first mounting cavity 2111, a first supporting frame 213 is arranged at the lower end of the inner clamping block 212, the upper end of the first supporting frame 213 is fixedly connected with the lower end of the inner clamping block 212, the lower end of the first supporting frame 213 extends downwards into the third mounting cavity 2113, an outer clamping block 214 is slidably arranged in the second mounting cavity 2112, a second supporting frame 215 is arranged at the lower end of the outer clamping block 214, the upper end of the second supporting frame 215 is fixedly connected with the lower end of the outer clamping block 214, the lower end of the second supporting frame 215 extends downwards into the third mounting cavity 2113, the first supporting frame 213 is arranged in parallel to the second supporting frame 215, and an asynchronous lifting mechanism 216 for driving the first supporting frame 213 and the second supporting frame 213 is arranged in the third mounting cavity 2113.

When the outer side of the bearing outer race is ground, the asynchronous lifting mechanisms 216 in the first clamping member 21, the second clamping member 22, the third clamping member 31 and the fourth clamping member 32 are operated, the first supporting frame 213 is driven to lift up, the first supporting frame 213 jacks up the inner clamping block 212, the second supporting frame 215 is driven to move down, the outer clamping block 214 is retracted into the second installation cavity 2112, then the four inner clamping blocks 212 move towards the outer side of the bearing outer race simultaneously, the bearing outer race is clamped from the inner side of the bearing outer race, when the inner side of the bearing outer race is ground, the asynchronous lifting mechanisms 216 in the first clamping member 21, the second clamping member 22, the third clamping member 31 and the fourth clamping member 32 are operated, the first supporting frame 213 is driven to move down, the inner clamping block 212 is driven to move up, the second supporting frame 215 is driven to lift up, the outer clamping block 214 is driven to retract into the first installation cavity 2111, and the bearing outer race is clamped from the outer side of the bearing outer race, so that the first clamping mechanism 2 and the second clamping mechanism 3 can clamp the bearing outer race from the inner side and the outer side of the bearing outer race.

Referring to fig. 5 and 6, it is shown that: the asynchronous lifting mechanism 216 comprises two threaded rods 2161, the two threaded rods 2161 are vertically arranged at the lower part of the first supporting frame 213 and the lower part of the second supporting frame 215 respectively, the two threaded rods 2161 are fixedly connected with the first supporting frame 213 and the second supporting frame 215 respectively, the two threaded rods 2161 are respectively sleeved with a first threaded sleeve 2162, the outer parts of the two first threaded sleeves 2162 are respectively sleeved with a driven gear 2163, the driven gears 2163 are fixedly connected with the first threaded sleeves 2162, a driving gear 2164 is arranged between the two driven gears 2163, the driving gear 2164 is in meshed transmission connection with the two driven gears 2163, an upper limit plate 2165 is arranged above the driving gear 2164, the upper surface of the upper limit plate 2165 is in butt joint with the top of the third mounting cavity 2113, the lower surface of the upper limit plate 2165 is in butt joint with the upper surfaces of the two driven gears 2163, the lower limit plate 2166 is arranged below the driving gear 2164, the upper surface of the lower limit plate 2166 is in butt joint with the lower surfaces of the two driven gears 2163, the motor 2166 is provided with a first output shaft 2167, and the first output shaft 2167 is connected with the driving gear 4.

The first motor 2167 rotates forward to drive the driving gear 2164 to rotate, the driving gear 2164 drives the driven gears 2163 on two sides of the driving gear 2164 to rotate, one of the driven gears 2163 is the same as the driving gear 2164 in rotation direction, the other driven gear 2163 is opposite to the driving gear 2164 in rotation direction, so that the two driven gears 2163 drive the two first threaded sleeves 2162 to rotate in opposite directions, and the threaded rods 2161 do not rotate, and the upper limit plate 2165 and the lower limit plate 2166 limit the first threaded sleeves 2162 to move up and down along the threaded rods 2161, so that the two threaded rods 2161 move in different directions, and the inner clamping block 212 and the outer clamping block 214 are enabled to lift asynchronously.

Referring to fig. 4, 5 and 7, it is shown that: the synchronous driving mechanism 23 comprises two connecting arms 231, one ends of the two connecting arms 231 are respectively connected with one ends of the two mounting seats 211, which are far away from the waste falling opening 11, the connecting arms 231 are in the same straight line with the mounting seats 211, moving blocks 232 are respectively arranged at the other ends of the two connecting arms 231, the moving blocks 232 are orthogonal with the connecting arms 231, one ends of the moving blocks 232 are fixedly connected with the connecting arms 231, a rotating shaft 233 is arranged between the other ends of the two moving blocks 232, two ends of the rotating shaft 233 respectively penetrate through the two moving blocks 232, second threaded sleeves 234 are respectively sleeved at two ends of the rotating shaft 233, the two second threaded sleeves 234 are respectively fixedly connected with the two moving blocks 232, and a driving structure 235 for driving the rotating shaft 233 to rotate is arranged in the middle of the rotating shaft 233.

The driving structure 235 drives the rotating shaft 233 to rotate, the two second threaded sleeves 234 are close to or far away from each other along the rotating shaft 233, the two second threaded sleeves 234 drive the two moving blocks 232 to move, the two moving blocks 232 drive the two mounting seats 211 to be close to or far away from each other, before grinding, the driving structure 235 drives the two mounting seats 211 to be close to each other, then the bearing outer ring is placed on the mounting seats 211, after the inner clamping block 212 is lifted, the driving mechanism drives the two mounting seats 211 to be far away from each other, and the inner clamping block is abutted against the inner wall of the bearing outer ring, so that the fixing of the bearing outer ring is realized.

Referring to fig. 7, it is shown that: the both ends of two linking arms 231 all are provided with first limit structure 236, first limit structure 236 includes two first limiting plates 2361, two first limiting plates 2361 are parallel with linking arm 231, the lower extreme of first limiting plates 2361 and the last fixed surface of workstation 1 are connected, first spacing spout has been seted up along the length direction of linking arm 231 to the upper end of first limiting plates 2361, be provided with spacing connecting axle 2362 between two first limiting plates 2361, the linking arm 231 is passed at spacing connecting axle 2362's middle part, the both ends of linking arm 231 are respectively in the first spacing spout sliding connection on two first limiting plates 2361.

When the driving structure 235 drives the connecting arm 231 to move, the limiting connecting shaft 2362 moves along the first limiting sliding groove, the first limiting plate 2361 provides supporting force for the limiting connecting shaft 2362, and the limiting connecting shaft 2362 provides supporting force for the connecting arm 231, so that the connecting arm 231 is kept in a horizontal state, the mounting seat 211 is kept horizontal, and then the bearing outer ring can be horizontally placed on the mounting seat 211 of the first clamping piece 21 and the second clamping piece 22.

Referring to fig. 5 and 8, it is shown that: the two sides of the mounting seat 211 of the third clamping piece 31 and the fourth clamping piece 32 are provided with second limiting structures 34, each second limiting structure 34 comprises two first limiting sliding blocks 341, the two first limiting sliding blocks 341 are fixedly connected with the two sides of the mounting seat 211 respectively, one sides of the two first limiting sliding blocks 341 are provided with first limiting sliding ways 342, one side of each first limiting sliding way 342, which faces the first limiting sliding block 341, is provided with a second limiting sliding way, and the first limiting sliding blocks 341 are in sliding connection with the second limiting sliding ways.

The first linear driving device 33 pushes the mounting seat 211 to move, the first limiting sliding blocks 341 on two sides of the mounting seat 211 slide on the first limiting sliding ways 342, the first limiting sliding ways 342 provide upward supporting force for the first limiting sliding blocks 341, the force applied to the output end of the first linear driving device 33 in the vertical direction can be reduced, and meanwhile the mounting seat 211 in the third clamping piece 31 and the fourth clamping piece 32 can be kept in a horizontal state, so that the bearing outer ring can be horizontally placed on the mounting seat 211 of the third clamping piece 31 and the fourth clamping piece 32.

Referring to fig. 4, 9, 10 and 11: the grinding mechanism 4 comprises a rotating disc 41, two third limiting sliding grooves 411 which are symmetrically arranged are formed in the rotating disc 41, two grinding mechanisms 42 are symmetrically arranged on the upper portion of the rotating disc 41, each grinding mechanism 42 comprises a first hood 421, the first hood 421 is in sliding connection with the third limiting sliding grooves 411, a second motor 422 is arranged in the first hood 421, a grinding wheel 423 is arranged at the lower end of the second motor 422, the grinding wheel 423 is in transmission connection with an output shaft of the second motor 422, a reinforcing frame 424 is covered on the outer cover of the grinding wheel 423, two pulling structures 43 which are symmetrically arranged relative to the rotating disc 41 are arranged between the two grinding mechanisms 42, each pulling structure 43 comprises a first linear driving device 33 and two pull rods 432, each first linear driving device 33 is orthogonal to a connecting line of the two grinding mechanisms 42, one end of each pull rod 432 is hinged to the middle of the first hood 421 towards the rotating disc 41, and the other end of each pull rod 432 is hinged to the output end of each first linear driving device 33.

After the first clamping mechanism 2 and the second clamping mechanism 3 fix the bearing outer ring from the inside of the bearing outer ring, the second linear driving device 431 pushes the pull rod 432 to move towards the middle of the rotating disk 41, the pull rod 432 pushes the first hood 421 to move towards the middle away from the rotating disk 41 in the third limiting sliding groove 411, the distance between the two grinding wheels 423 is larger than the outer diameter of the bearing outer ring, then the rotating disk 41 approaches the bearing outer ring, the second linear driving device 431 pulls the two first hoods 421 to be close to each other through the pull rod 432, so that the grinding wheels 423 abut against the outer circumferential surface of the bearing outer ring, then the second motor 422 drives the grinding wheels 423 to rotate, then the first clamping mechanism 2 and the second clamping mechanism 3 fix the bearing outer ring from the outside of the bearing outer ring, the rotating disk 41 rises upwards, the distance between the two grinding wheels 423 is smaller than the inner diameter of the bearing outer ring through the pull rod 432, then the rotating disk 41 approaches the bearing outer ring, the first linear driving device 33 abuts the two grinding wheels 423 against the inner circumferential surface of the bearing outer ring through the pull rod 432, and then the second linear driving device 423 drives the inner circumferential surface of the bearing outer ring 422 to rotate, so that the inner circumferential surface of the bearing outer ring 423 is ground.

Referring to fig. 11 and 12, it is shown that: the two sides of the first cover 421 are provided with third limit structures 44, the third limit structures 44 comprise two second limit sliding blocks 441, the second limit sliding blocks 441 are arranged on the side face of the first cover 421 along the direction of the third limit sliding grooves 411, one side of each second limit sliding block 441 is provided with a second limit sliding way 442, one side of each second limit sliding way 442, which faces the second limit sliding blocks 441, is provided with a third limit sliding groove 411, and each second limit sliding block 441 is in sliding connection with the corresponding third limit sliding groove 411.

When the first hood 421 is pulled to slide in the third sliding groove by the pulling structure 43, the second limiting slide block 441 slides in the third limiting slide groove 411, the second limiting slide way 442 provides upward supporting force for the second limiting slide block 441, and meanwhile, the second limiting slide way 442 and the second limiting slide block 441 keep a longer contact area, so that the first hood 421 and the second limiting slide way 442 keep vertical, and the grinding wheel 423 is kept vertical all the time, and further, stable grinding of the inner circumferential surface and the outer circumferential surface of the bearing outer ring is realized.

Referring to fig. 9, 13 and 14: the rotary structure 45 is arranged above the rotary disc 41, the rotary structure 45 comprises a connecting disc 451, the connecting disc 451 is fixedly connected with the rotary disc 41, a third motor 452 is arranged on the upper portion of the connecting disc 451, an output shaft of the third motor 452 is in transmission connection with the middle of the connecting disc 451, a second hood 453 is arranged on the outer cover of the third motor 452, a lifting structure 46 is arranged on one side of the second hood 453, the lifting structure 46 comprises a fixing column 461, the bottom of the fixing column 461 is fixedly connected with the workbench 1, a fourth limiting chute 4611 which is vertically downward is arranged on the fixing column 461, an L-shaped lifting arm 462 is arranged in the fourth limiting chute 4611 in a sliding manner, the end part of the horizontal section of the L-shaped lifting arm 462 is fixedly connected with the second hood 453, the vertical section of the L-shaped lifting arm 462 is inserted into the fourth limiting chute 4611, a third linear driving device 463 is arranged in the fourth limiting chute 4611, and the executing end of the third linear driving device 463 is connected with the end part of the vertical section of the L-shaped lifting arm 462.

When the pulling structure 43 adjusts the distance between the two grinding wheels 423 to be larger than the outer diameter of the bearing outer ring, the third linear driving device 463 pulls the L-shaped lifting arm 462 to move downwards on the fixed column 461, so that the rotating disc 41 is close to the bearing outer ring, after the grinding wheels 423 are abutted against the outer circumferential surface of the bearing outer ring, the grinding wheels 423 rotate, meanwhile, the third motor 452 drives the connecting disc 451 to rotate, the connecting disc 451 drives the rotating disc 41 to rotate, the rotating disc 41 drives the grinding wheels 423 to rotate around the outer circumferential surface of the bearing outer ring, then the third linear driving device 463 pushes the L-shaped lifting arm 462 to lift upwards, the rotating disc 41 is driven to lift upwards, after the positions of the two grinding wheels 423 are adjusted, the third linear driving device 463 drops the L-shaped lifting arm 462 downwards, so that the grinding wheels 423 are placed on the inner side of the bearing outer ring, and the transfer of the grinding wheels 423 on the inner side and the outer side of the bearing outer ring is achieved.

s1, the synchronous driving mechanism 23 drives two mounting seats 211 to be close to each other, and the two first linear driving devices 33 drive the two mounting seats 211 to be close to each other, so that the four mounting seats 211 are in mutual abutting connection;

s2, the asynchronous lifting mechanism 216 lifts the inner clamping blocks 212 upwards, places the bearing outer ring on the four mounting seats 211, and then the synchronous driving mechanism 23 and the two first linear driving devices 33 drive the four mounting seats 211 away from each other simultaneously, so that the four inner clamping blocks 212 provide outward pulling force for the bearing outer ring, and the bearing outer ring is fixed below the grinding mechanism 4;

s3, the lifting mechanism moves the rotating disc 41 towards the position close to the outer ring of the bearing, the pulling structure 43 pulls the two polishing mechanisms 42 to be abutted with the outer side of the outer ring of the bearing, and then the polishing mechanisms 42 and the rotating structure 45 work to grind the outer side of the outer ring of the bearing;

s4, the outer clamping blocks 214 are lifted upwards by the asynchronous lifting mechanism 216, the inner clamping blocks 212 are retracted downwards, and the outer rings of the bearings are fixed by the four outer clamping blocks 214;

s5, the lifting mechanism moves the rotating disc 41 towards the direction away from the bearing outer ring, the pulling structure 43 enables the two polishing mechanisms 42 to be close to each other, then the lifting mechanism moves the rotating disc 41 towards the direction close to the bearing outer ring, the pulling structure 43 enables the two polishing mechanisms 42 to be abutted against the inner side of the bearing outer ring, and then the polishing mechanisms 42 and the rotating structure 45 work to grind the inner side of the bearing outer ring.

The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. The utility model provides a bearing outer race grinding device, a serial communication port, including rectangle workstation (1) that the level set up, the middle part of workstation (1) sets up waste material and drops mouth (11), the upper surface of workstation (1) is provided with first fixture (2) along its length direction, first fixture (2) are including first clamping piece (21) and second clamping piece (22) that can press from both sides tight bearing outer race from the outside and inboard of bearing outer race, first clamping piece (21) and second clamping piece (22) are with regard to sending out material and drop mouth symmetry setting, first fixture (2) still include be used for simultaneously drive first clamping piece (21) and second clamping piece (22) synchronous drive mechanism (23) that move in opposite directions and synchronous back to each other, the upper surface of workstation (1) is provided with second fixture (3) along its width direction, second fixture includes third clamping piece (31) and fourth clamping piece (32) that can press from both sides tight bearing outer race from the outside and inboard, third clamping piece (31) and fourth clamping piece (32) are kept away from waste material and drop mouth (11) and are provided with first clamping piece (32) and second clamping piece (31) between the first end (31) and fourth clamping piece and fourth end (21) and straight connecting device and straight connecting line between (32), a grinding mechanism (4) capable of grinding the inner side and the outer side of the bearing outer ring is arranged above the waste falling opening (11).

2. The bearing outer race grinding apparatus according to claim 1, characterized in that the first clamping member (21) includes a mounting base (211), a first mounting cavity (2111) and a second mounting cavity (2112) are provided on an upper surface of the mounting base (211), a third mounting cavity (2113) is provided on a lower surface of the mounting base (211), the first mounting cavity (2111) and the second mounting cavity (2112) are respectively communicated with the third mounting cavity (2113), an inner clamping block (212) is provided in the first mounting cavity (2111) in a sliding manner, a first supporting frame (213) is provided at a lower end of the inner clamping block (212), an upper end of the first supporting frame (213) is fixedly connected with a lower end of the inner clamping block (212), a lower end of the first supporting frame (213) extends downward into the third mounting cavity (2113), an outer clamping block (214) is provided in a sliding manner in the second mounting cavity (2112), a second supporting frame (215) is provided at a lower end of the outer clamping block (214), an upper end of the second supporting frame (215) is fixedly connected with a lower end of the second supporting frame (215) and the second supporting frame (215) extends downward, and the lower end of the second supporting frame (215) is fixedly connected with the lower end of the second supporting frame (213), an asynchronous lifting mechanism (216) for driving the first support frame (213) and the second support frame (215) to lift is arranged in the third installation cavity (2113).

3. The bearing outer ring grinding device according to claim 2, wherein the asynchronous lifting mechanism (216) comprises two threaded rods (2161), the two threaded rods (2161) are vertically arranged at the lower part of the first supporting frame (213) and the lower part of the second supporting frame (215) respectively, the two threaded rods (2161) are fixedly connected with the first supporting frame (213) and the second supporting frame (215) respectively, the two threaded rods (2161) are respectively sleeved with a first threaded sleeve (2162), the outer parts of the two first threaded sleeves (2162) are respectively sleeved with a driven gear (2163), the driven gears (2163) are fixedly connected with the first threaded sleeves (2162), a driving gear (2164) is arranged between the two driven gears (2163), the driving gear (2164) is in meshed transmission connection with the two driven gears (2163), an upper limiting plate (2165) is arranged above the driving gear (2164), the upper surface of the upper limiting plate (2165) is in contact with the top of the third mounting cavity (2113), the upper surface of the upper limiting plate (2165) is in contact with the upper surface of the lower limiting plate (2166), the lower surface of the upper limiting plate (2166) is in contact with the lower surface of the driving plate (2166) and the lower surface of the lower limiting plate (2166), an output shaft of the first motor (2167) is connected with the drive gear (2164).

4. The bearing outer ring grinding device according to claim 1, wherein the synchronous driving mechanism (23) comprises two connecting arms (231), one ends of the two connecting arms (231) are respectively connected with one ends of the two mounting seats (211) far away from the waste falling port (11), the connecting arms (231) are in the same straight line with the mounting seats (211), moving blocks (232) are respectively arranged at the other ends of the two connecting arms (231), the moving blocks (232) are orthogonal with the connecting arms (231), one ends of the moving blocks (232) are fixedly connected with the connecting arms (231), rotating shafts (233) are arranged between the other ends of the two moving blocks (232), two ends of the rotating shafts (233) respectively penetrate through the two moving blocks (232), second threaded sleeves (234) are respectively sleeved at two ends of the rotating shafts (233), the two second threaded sleeves (234) are respectively fixedly connected with the two moving blocks (232), and driving structures (235) for driving the rotating shafts (233) to rotate are arranged in the middle of the rotating shafts (233).

5. The bearing outer ring grinding device according to claim 4, wherein first limit structures (236) are arranged at two ends of each of the two connecting arms (231), each of the first limit structures (236) comprises two first limit plates (2361), each of the two first limit plates (2361) is parallel to the connecting arm (231), the lower ends of the first limit plates (2361) are fixedly connected with the upper surface of the workbench (1), first limit sliding grooves are formed in the upper ends of the first limit plates (2361) along the length direction of the connecting arm (231), limit connecting shafts (2362) are arranged between the two first limit plates (2361), the middle portions of the limit connecting shafts (2362) penetrate through the connecting arms (231), and the two ends of each of the connecting arms (231) are respectively in sliding connection with the first limit sliding grooves of the two first limit plates (2361).

6. The bearing outer ring grinding device according to claim 1, wherein the second limiting structures (34) are arranged on two sides of the mounting seat (211) of the third clamping piece (31) and the fourth clamping piece (32), the second limiting structures (34) comprise two first limiting sliding blocks (341), the two first limiting sliding blocks (341) are fixedly connected on two sides of the mounting seat (211) respectively, first limiting sliding ways (342) are arranged on one sides of the two first limiting sliding blocks (341), second limiting sliding ways are arranged on one sides of the first limiting sliding ways (342) facing the first limiting sliding blocks (341), and the first limiting sliding blocks (341) are in sliding connection with the second limiting sliding ways.

7. The bearing outer ring grinding device according to claim 1, characterized in that the grinding mechanism (4) comprises a rotating disc (41), two symmetrically arranged third limit sliding grooves (411) are formed in the rotating disc (41), two grinding mechanisms (42) are symmetrically arranged on the upper portion of the rotating disc (41), each grinding mechanism (42) comprises a first hood (421), the first hood (421) is slidably connected with the third limit sliding grooves (411), a second motor (422) is arranged in the first hood (421), a grinding wheel (423) is arranged at the lower end of the second motor (422), the grinding wheel (423) is in transmission connection with an output shaft of the second motor (422), a reinforcing frame (424) is arranged on the outer cover of the grinding wheel (423), two pulling structures (43) are symmetrically arranged between the two grinding mechanisms (42) relative to the rotating disc (41), each pulling structure (43) comprises a first linear driving device (33) and two pull rods (432), one ends of the pull rods (432) are orthogonal to a connecting line of the two grinding mechanisms (42), and one ends of the pull rods (432) are hinged with the middle portions (421) of the first hood (421) towards the output end of the first linear driving device (41).

8. The bearing outer ring grinding device according to claim 7, wherein a third limiting structure (44) is arranged on two sides of the first housing (421), the third limiting structure (44) comprises two second limiting sliding blocks (441), the second limiting sliding blocks (441) are arranged on the side face of the first housing (421) along the direction of the third limiting sliding grooves (411), a second limiting sliding way (442) is arranged on one side of the second limiting sliding blocks (441), a third limiting sliding groove (411) is formed in one side, facing the second limiting sliding blocks (441), of the second limiting sliding ways (442), and the second limiting sliding blocks (441) are in sliding connection with the third limiting sliding grooves (411).

9. The bearing outer ring grinding device according to claim 7, wherein a rotating structure (45) is arranged above the rotating disc (41), the rotating structure (45) comprises a connecting disc (451), the connecting disc (451) is fixedly connected with the rotating disc (41), a third motor (452) is arranged on the upper portion of the connecting disc (451), an output shaft of the third motor (452) is in transmission connection with the middle part of the connecting disc (451), a second hood (453) is arranged on the outer cover of the third motor (452), a lifting structure (46) is arranged on one side of the second hood (453), the lifting structure (46) comprises a fixing column (461), the bottom of the fixing column (461) is fixedly connected with the workbench (1), a fourth limiting chute (4611) which is vertically downward is arranged on the fixing column (461), an L-shaped lifting arm (462) is arranged in a sliding mode, the end portion of the horizontal section of the L-shaped lifting arm (462) is fixedly connected with the second hood (453), the vertical section of the L-shaped lifting arm (462) is inserted into the fourth limiting chute (4611), and a linear driving device is arranged at the end portion (463) of the fourth limiting chute (463).

10. A grinding method of a bearing outer ring grinding apparatus, applied to a bearing outer ring grinding apparatus according to any one of claims 1 to 9, characterized by comprising the steps of:

s1, a synchronous driving mechanism (23) drives two mounting seats (211) to be close to each other, and two first linear driving devices (33) drive the two mounting seats (211) to be close to each other, so that the four mounting seats (211) are in mutual abutting connection;

s2, an asynchronous lifting mechanism (216) lifts an inner clamping block (212) upwards, a bearing outer ring is placed on four mounting seats (211), then a synchronous driving mechanism (23) and two first linear driving devices (33) simultaneously drive the four mounting seats (211) to be far away from each other, so that the four inner clamping blocks (212) provide outward pulling force for the bearing outer ring, and the bearing outer ring is fixed below a grinding mechanism (4);

s3, the lifting mechanism moves the rotating disc (41) towards the position close to the bearing outer ring, the pulling structure (43) pulls the two polishing mechanisms (42) to be in contact with the outer side of the bearing outer ring, and then the polishing mechanisms (42) and the rotating structure (45) work to grind the outer side of the bearing outer ring;

s4, the outer clamping blocks (214) are lifted upwards by the asynchronous lifting mechanism (216), the inner clamping blocks (212) are retracted downwards, and the outer rings of the bearings are fixed by the four outer clamping blocks (214);

s5, the lifting mechanism moves the rotating disc (41) towards the direction away from the bearing outer ring, the pulling structure (43) enables the two polishing mechanisms (42) to be close to each other, then the lifting mechanism moves the rotating disc (41) towards the direction close to the bearing outer ring, the pulling structure (43) enables the two polishing mechanisms (42) to be abutted against the inner side of the bearing outer ring, and then the polishing mechanisms (42) and the rotating structure (45) work to grind the inner side of the bearing outer ring.