CN217122663U

CN217122663U - Spherical plain bearing excircle processingequipment

Info

Publication number: CN217122663U
Application number: CN202220876150.9U
Authority: CN
Inventors: 黄锡伟
Original assignee: Zhejiang Weill Bearing Industry Co ltd
Current assignee: Zhejiang Weill Bearing Industry Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-08-05
Anticipated expiration: 2032-04-15

Abstract

The utility model relates to a joint bearing excircle processing device, which comprises a shell, a main shaft box arranged at the rear end of the shell, and a disc chuck arranged at the front end of the main shaft box, wherein a positioning shaft is arranged on the disc chuck, the front end of the positioning shaft is fixedly connected with a central shaft, the front end of the shell is fixedly connected with a first cylinder, the rear end of the first cylinder is fixedly connected with an installation shaft, the rear end of the installation shaft is fixedly connected with a circular ring, the upper end of the main shaft box is fixedly connected with a fixed plate, the front end of the fixed plate is fixedly connected with a mounting plate, the front end of the mounting plate is provided with a second cylinder, the lower end of the second cylinder is fixedly connected with a finger cylinder, the lower ends of the left and right two claw heads of the lower end of the finger cylinder are fixedly connected with a connecting block, the lower end of the connecting block is provided with a clamping block, one end of the clamping block close to the central shaft is provided with an arc-shaped groove, the rear end of the mounting plate is provided with a conveying frame fixedly connected with the upper end of the fixed plate, and the right end of the conveying frame is provided with a feeding frame, open on the mounting panel and have logical groove, pay-off frame sliding connection is leading to the inslot side, and machining efficiency is high.

Description

Spherical plain bearing excircle processingequipment

Technical Field

The utility model relates to an excircle processingequipment especially relates to a joint bearing excircle processingequipment.

Background

The joint bearing is a spherical sliding bearing, the sliding contact surface of the joint bearing is an inner spherical surface and an outer spherical surface, the joint bearing can rotate and swing at any angle during movement, and the joint bearing is manufactured by adopting a plurality of special processing methods such as surface phosphorization, deep-fried mouth, embedding, spraying and the like. The joint bearing has the characteristics of large load capacity, impact resistance, corrosion resistance, wear resistance, self-aligning, good lubrication and the like. The traditional knuckle bearing excircle turning needs one manual clamping by a worker, then is processed, and machining efficiency is low, and worker intensity of labour is high.

Disclosure of Invention

The utility model discloses solve the problem that above-mentioned prior art exists, provide a joint bearing excircle processingequipment, can carry out the clamping processing automatically, machining efficiency is high.

The utility model provides a technical scheme that its technical problem adopted: the joint bearing excircle processing device comprises a machine shell, a dragging plate which is arranged on the inner side of the machine shell and can move transversely and longitudinally, a tool rest which is arranged at the upper end of the dragging plate, a spindle box which is arranged at the rear end of the machine shell, and a disc chuck which is arranged at the front end of the spindle box, wherein a positioning shaft is clamped on the disc chuck, a central shaft is fixedly connected at the front end of the positioning shaft, a push block is slidably connected at the outer side of the positioning shaft, a fourth air cylinder is fixedly connected at the rear end of the push block, the fourth air cylinder is fixedly connected at the outer side of the spindle box, a first air cylinder is fixedly connected at the front end of the machine shell, an installation shaft is fixedly connected at the rear end of the first air cylinder, a circular ring is fixedly connected at the rear end of the installation shaft, a fixed plate is fixedly connected at the upper end of the spindle box, an installation plate is fixedly connected at the front end of the installation plate, a second air cylinder is installed at the front end of the installation plate, a finger air cylinder is fixedly connected with a finger air cylinder, and the lower ends of a left claw head and a right claw head are fixedly connected with a connecting block, the lower end of the connecting block is provided with a clamping block, one end of the clamping block close to the central shaft is provided with an arc-shaped groove, the rear end of the mounting plate is provided with a conveying frame fixedly connected to the upper end of the fixing plate, the conveying frame can convey the knuckle bearing, the right end of the conveying frame is provided with a feeding frame, the mounting plate is provided with a through groove, the feeding frame is slidably connected to the inner side of the through groove, the rear end of the feeding frame is fixedly connected with a third air cylinder, the right end of the feeding frame is provided with a limiting plate fixedly connected to the upper end of the fixing plate, the third air cylinder is fixedly connected to the upper end of the fixing plate, the upper end of the conveying frame is provided with a motor fixedly connected to the rear end of the mounting plate, the front end of the motor is fixedly connected with a gear, the right end of the gear is meshed with a right rack, the lower end of the right rack is fixedly connected with a first baffle, the front end of the right rack is fixedly connected with a right sliding block, the rear end of the mounting plate is fixedly connected with a right sliding frame, the right sliding block is slidably connected to the inner side of the right sliding frame, the right sliding block is slidably connected to the right sliding frame, the knuckle bearing is placed into the conveying frame, carry the frame to carry joint bearing to the pay-off frame inboard, the limiting plate can fix a position joint bearing, first baffle can block joint bearing when the pay-off frame removes, the third cylinder drives the pay-off frame and moves forward between the grip block, the finger cylinder drives the grip block through the claw head and is close to each other, the grip block adds joint bearing and holds, the second cylinder drives the finger cylinder and moves down, the grip block is kept away from a little, because the effect of arc wall, joint bearing can also hang on the grip block, first cylinder drives the ring and moves backward and pushes joint bearing into the center pin outside, it is fixed with joint bearing through location axle and ring, can process joint bearing excircle, push out joint bearing through the ejector pad after the processing is accomplished, high processing efficiency.

In order to further perfect, the left end of the gear is meshed with a left rack, the front end of the left rack is fixedly connected with a left sliding block, the rear end of the mounting plate is fixedly connected with a left sliding frame, the left sliding block is connected to the inner side of the left sliding frame in a sliding mode, the lower end of the left rack is fixedly connected with an adjusting block, the lower end of the adjusting block is provided with a moving groove, the rear end of the moving groove is provided with an adjusting groove, a moving block is connected to the inner side of the moving groove in a sliding mode, the lower end of the moving block is fixedly connected with a second baffle, the rear end of the moving block is connected with a third locking screw in a threaded mode, the third locking screw is connected to the adjusting groove in a sliding mode, the interaction of the second baffle and the first baffle can enable one joint bearing to be conveyed to the feeding frame, the precision requirement of the feeding frame is reduced, the manufacturing cost is reduced, the second baffle can be adjusted, the precision of the device is higher, and the using effect of the device is better.

Further perfection, second baffle lower extreme left side inclines to the right for device result of use is better.

Further perfect, carry the frame to include the bottom plate, bottom plate front end fixedly connected with preceding curb plate, the bottom plate rear end is equipped with the posterior lateral plate, and posterior lateral plate lower extreme fixedly connected with back connecting plate is opened on the back connecting plate and is had first groove of sliding, and threaded connection has first locking screw on the bottom plate, and first locking screw sliding connection is inboard at first groove of sliding, and the posterior lateral plate can be adjusted for device result of use is better.

Further perfect, the bottom plate upper end is equipped with the roof, and roof front end fixedly connected with upper junction plate has second locking screw, and it has the second groove of sliding to open on the preceding curb plate, and second locking screw sliding connection is inboard at the second groove of sliding, and the roof can be fixed a position joint bearing upper and lower position, avoids joint bearing to superpose each other for device result of use is better.

Further perfect, the center pin front end is equipped with the chamfer, can lead joint bearing for the device result of use is better.

Further perfect, grip block detachable connection is on the installation piece, when adding the grip block and having the damage, can change for the life of device is longer.

Further perfect, open the installation piece upper end has the spout, grip block upper end fixedly connected with sliding block, and sliding block sliding connection is inboard at the spout, and open the installation piece front end has first locating hole, and sliding connection has the locating pin in the first locating hole, and open the grip block front end has the second locating hole, and locating pin sliding connection is in the second locating hole for the grip block dismouting is more convenient.

Further perfect, second cylinder rear end fixedly connected with fixed block, fixed block fixed connection are at the mounting panel front end, and finger cylinder rear end fixedly connected with connecting block, connecting block rear end fixedly connected with slider, mounting panel front end fixedly connected with guide rail, slider sliding connection are in the guide rail outside for the removal precision of finger cylinder is higher, and the result of use of device is better.

Further perfect, knife rest rear end fixedly connected with ejection of compact frame, ejection of compact frame lower extreme are equipped with the box that gathers materials of installing at the casing front end, and the joint bearing that processing was accomplished can collect automatically for the device uses more conveniently, and machining efficiency is higher.

The utility model discloses profitable effect is: the utility model can automatically carry out clamping processing, the processing efficiency is high, a staff puts a joint bearing into the inner side of a conveying frame, the conveying frame conveys the joint bearing to the inner side of a material conveying frame, a limiting plate can position the joint bearing, a first baffle plate can block the joint bearing when the material conveying frame moves, a third air cylinder drives the material conveying frame to move forward to a position between clamping blocks, a finger air cylinder drives the clamping blocks to mutually approach through claw heads, the clamping blocks hold the joint bearing, a second air cylinder drives the finger air cylinder to move down, the clamping blocks are slightly far away, the joint bearing can be hung on the clamping blocks due to the action of an arc-shaped groove, the first air cylinder drives a circular ring to move backward to push the joint bearing into the outer side of a central shaft, the joint bearing is fixed through a positioning shaft and the circular ring, the excircle of the joint bearing can be processed, the processing efficiency is high, the interaction of the second baffle plate and the first baffle plate can enable the joint bearing to be conveyed into the material conveying frame one by one, the precision requirement of the feeding frame is reduced, the manufacturing cost is reduced, the second baffle can be adjusted, the precision of the device is higher, the using effect of the device is better, the rear side plate can be adjusted, the using effect of the device is better, the top plate can position the upper position and the lower position of the joint bearing, the joint bearing is prevented from being mutually overlapped, the using effect of the device is better, when the clamping block is damaged, the clamping block can be replaced, and the service life of the device is longer.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the spindle box of the present invention;

fig. 4 is a schematic structural view of the fixing plate of the present invention;

FIG. 5 is a schematic structural view of the clamping block of the present invention;

fig. 6 is a schematic structural view of the fixing plate of the present invention;

fig. 7 is a schematic structural view of the gear of the present invention;

fig. 8 is a schematic structural view of the feeding frame of the present invention.

Description of reference numerals: 1. a housing; 11. a carriage; 111. a tool holder; 112. discharging the material frame; 12. a main spindle box; 121. a disk chuck; 122. positioning the shaft; 123. a central shaft; 13. a first cylinder; 131. installing a shaft; 132. a circular ring; 14. a push block; 141. a fourth cylinder; 2. a fixing plate; 21. mounting a plate; 211. a through groove; 212. a guide rail; 22. a second cylinder; 221. a fixed block; 23. a finger cylinder; 231. connecting blocks; 232. a slider; 24. mounting blocks; 241. a chute; 242. a first positioning hole; 25. a clamping block; 251. an arc-shaped slot; 252. a sliding block; 253. a second positioning hole; 26. positioning pins; 3. a conveying frame; 31. a base plate; 311. a first locking screw; 32. a rear side plate; 321. a rear connecting plate; 322. a first sliding groove; 33. a front side plate; 331. a second sliding groove; 34. a top plate; 341. an upper connecting plate; 342. a second locking screw; 4. a feeding frame; 41. a third cylinder; 42. a limiting plate; 5. a motor; 51. a gear; 52. a right rack; 521. a first baffle plate; 522. a right slider; 523. a right sliding frame; 53. a left rack; 531. an adjusting block; 532. a moving groove; 533. an adjustment groove; 534. a left slider; 535. a left sliding frame; 54. a second baffle; 541. a moving block; 542. a third locking screw; 6. a material collecting box.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-5: the embodiment of the invention relates to a device for processing the excircle of a joint bearing, which comprises a machine shell 1, a dragging plate 11 which is arranged on the inner side of the machine shell 1 and can move transversely and longitudinally, a tool rest 111 which is arranged on the upper end of the dragging plate 11, a spindle box 12 which is arranged on the rear end of the machine shell 1, and a disc chuck 121 which is arranged on the front end of the spindle box 12, wherein a positioning shaft 122 is clamped on the disc chuck 121, a central shaft 123 is fixedly connected with the front end of the positioning shaft 122, a chamfer is arranged on the front end of the central shaft 123, a fourth air cylinder 141 is fixedly connected with the rear end of a push block 14, the fourth air cylinder 141 is fixedly connected with the outer side of the spindle box 12, a first air cylinder 13 is fixedly connected with the front end of the machine shell 1, a mounting shaft 131 is fixedly connected with the rear end of the mounting shaft 131, a circular ring 132 is fixedly connected with the upper end of the spindle box 12, a fixing plate 2 is fixedly connected with a mounting plate 21, a second air cylinder 22 is arranged on the front end of the mounting plate 21, the lower end of the second cylinder 22 is fixedly connected with a finger cylinder 23, the lower ends of the left and right claw heads at the lower end of the finger cylinder 23 are fixedly connected with a connecting block 231, the lower end of the connecting block 231 is provided with a clamping block 25, one end of the clamping block 25 close to the central shaft 123 is provided with an arc-shaped groove 251, the clamping block 25 is detachably connected to the mounting block 24, the upper end of the mounting block 24 is provided with a sliding groove 241, the upper end of the clamping block 25 is fixedly connected with a sliding block 252, the sliding block 252 is slidably connected to the inner side of the sliding groove 241, the front end of the mounting block 24 is provided with a first positioning hole 242, the first positioning hole 242 is slidably connected with a positioning pin 26, the front end of the clamping block 25 is provided with a second positioning hole 253, the positioning pin 26 is slidably connected in the second positioning hole 253, the rear end of the second cylinder 22 is fixedly connected with a fixing block 221, the fixing block 221 is fixedly connected to the front end of the mounting plate 21, the rear end of the finger cylinder 23 is fixedly connected with the connecting block 231, and the rear end of the connecting block 231 is fixedly connected with a sliding block 232, the front end of the mounting plate 21 is fixedly connected with a guide rail 212, the sliding block 232 is connected to the outer side of the guide rail 212 in a sliding manner, the rear end of the tool rest 111 is fixedly connected with a discharging frame 112, and the lower end of the discharging frame 112 is provided with a material collecting box 6 mounted at the front end of the machine shell 1.

As shown in fig. 2-4 and 6: mounting panel 21 rear end is equipped with fixed connection and carries frame 3 in fixed plate 2 upper end, carry frame 3 and can carry joint bearing, carry frame 3 including bottom plate 31, bottom plate 31 front end fixedly connected with preceding curb plate 33, bottom plate 31 rear end is equipped with posterior lateral plate 32, posterior lateral plate 32 lower extreme fixedly connected with back connection board 321, it has first sliding groove 322 to open on the back connection board 321, threaded connection has first locking screw 311 on the bottom plate 31, first locking screw 311 sliding connection is inboard at first sliding groove 322, bottom plate 31 upper end is equipped with roof 34, roof 34 front end fixedly connected with upper junction plate 341, threaded connection has second locking screw 342 on the upper junction plate 341, it has second sliding groove 331 to open on preceding curb plate 33, second locking screw 342 sliding connection is inboard at second sliding groove 331.

As shown in fig. 2 and fig. 6-8: the right end of the conveying frame 3 is provided with a feeding frame 4, the mounting plate 21 is provided with a through groove 211, the feeding frame 4 is connected to the inner side of the through groove 211 in a sliding manner, the rear end of the feeding frame 4 is fixedly connected with a third air cylinder 41, the right end of the feeding frame 4 is provided with a limit plate 42 fixedly connected to the upper end of the fixing plate 2, the third air cylinder 41 is fixedly connected to the upper end of the fixing plate 2, the upper end of the conveying frame 3 is provided with a motor 5 fixedly connected to the rear end of the mounting plate 21, the front end of the motor 5 is fixedly connected with a gear 51, the right end of the gear 51 is meshed with a right rack 52, the lower end of the right rack 52 is fixedly connected with a first baffle 521, the front end of the right rack 52 is fixedly connected with a right sliding block 522, the rear end of the mounting plate 21 is fixedly connected with a right sliding frame 523, the right sliding block 522 is connected to the inner side of the right sliding frame 523 in a sliding manner, the left end of the gear 51 is meshed with a left rack 53, the front end of the left rack 53 is fixedly connected with a left sliding block 534, and the rear end of the mounting plate 21 is fixedly connected with a left sliding frame 535, the left sliding block 534 is slidably connected to the inner side of the left sliding frame 535, the lower end of the left rack 53 is fixedly connected with an adjusting block 531, the lower end of the adjusting block 531 is provided with a moving groove 532, the rear end of the moving groove 532 is provided with an adjusting groove 533, a moving block 541 is slidably connected in the moving groove 532, the lower end of the moving block 541 is fixedly connected with the second baffle 54, the rear end of the moving block 541 is in threaded connection with a third locking screw 542, the third locking screw 542 is slidably connected in the adjusting groove 533, and the left side of the lower end of the second baffle 54 inclines rightwards.

The utility model discloses when using: the position of the rear side plate 32 is adjusted through a first locking screw 311, the position of the top plate 34 is adjusted through a second locking screw 342, the position of the second baffle plate 54 is adjusted through a third locking screw 542, a joint bearing is placed on the inner side of the conveying frame 3, the joint bearing contacts the first baffle plate 521, the motor 5 drives the gear 51 to rotate, the gear 51 drives the left rack 53 to move downwards, the left rack 53 drives the adjusting block 531 to move downwards, the adjusting block 531 drives the second baffle plate 54 to move downwards, the second joint bearing is blocked on the left side of the second baffle plate 54, the gear 51 drives the right rack 52 to move upwards, the right rack 52 drives the first baffle plate 521 to move upwards, so that the first joint bearing enters the conveying frame 4, the third cylinder 41 drives the conveying frame 4 to move forwards between the clamping blocks, the finger cylinders 23 drive the mounting blocks 24 to mutually approach through claw heads, the mounting blocks 24 drive the clamping blocks to mutually, and the clamping blocks clamp the joint bearing, the second cylinder 22 drives the finger cylinder 23 to move downwards, the clamping blocks 25 are slightly away from each other, due to the action of the arc-shaped groove 251, the joint bearing can be hung on the clamping blocks 25, the first cylinder 13 drives the mounting shaft 131 to move backwards, the mounting shaft 131 drives the circular ring 132 to move backwards to push the joint bearing to the outer side of the central shaft 123, the joint bearing is fixed through the positioning shaft 122 and the circular ring 132, the outer circle of the joint bearing can be processed, the joint bearing is pushed out through the push block 14 after the processing is completed, and the joint bearing is conveyed into the material collecting box 6 through the discharging frame 112.

Although the invention has been shown and described with reference to preferred embodiments, it will be understood by those skilled in the art that various changes in form and details of the spherical plain bearing outer race machining apparatus may be made within the scope of the claims.

Claims

1. The utility model provides a joint bearing excircle processingequipment, includes casing (1), sets up carriage (11) that can transversely and longitudinal movement in casing (1) inboard, install knife rest (111) in carriage (11) upper end, install headstock (12) at casing (1) rear end, install disc chuck (121) at headstock (12) front end, characterized by: the disc chuck (121) is clamped with a positioning shaft (122), the front end of the positioning shaft (122) is fixedly connected with a central shaft (123), the rear end of a push block (14) is fixedly connected with a fourth cylinder (141), the fourth cylinder (141) is fixedly connected to the outer side of a spindle box (12), the front end of a machine shell (1) is fixedly connected with a first cylinder (13), the rear end of the first cylinder (13) is fixedly connected with an installation shaft (131), the rear end of the installation shaft (131) is fixedly connected with a ring (132), the upper end of the spindle box (12) is fixedly connected with a fixing plate (2), the front end of the fixing plate (2) is fixedly connected with a mounting plate (21), the front end of the mounting plate (21) is provided with a second cylinder (22), the lower end of the second cylinder (22) is fixedly connected with a finger cylinder (23), the lower ends of left and right two claw heads of the lower end of the finger cylinder (23) are fixedly connected with a connecting block (231), and the lower end of the connecting block (231) is provided with a clamping block (25), an arc-shaped groove (251) is formed in one end, close to a central shaft (123), of each clamping block (25), a conveying frame (3) fixedly connected to the upper end of the corresponding fixing plate (2) is arranged at the rear end of the corresponding mounting plate (21), the conveying frame (3) can convey a joint bearing, a material conveying frame (4) is arranged at the right end of the corresponding conveying frame (3), a through groove (211) is formed in the corresponding mounting plate (21), the material conveying frame (4) is connected to the inner side of the through groove (211) in a sliding mode, a third air cylinder (41) is fixedly connected to the rear end of the material conveying frame (4), a limiting plate (42) fixedly connected to the upper end of the corresponding fixing plate (2) is arranged at the right end of the corresponding conveying frame (4), the third air cylinder (41) is fixedly connected to the upper end of the corresponding fixing plate (2), a motor (5) fixedly connected to the rear end of the corresponding mounting plate (21) is arranged at the upper end of the corresponding conveying frame (3), a gear (51) is fixedly connected to the front end of the motor (5), and a right rack (52) is meshed with the right end of the gear (51), the lower end of the right rack (52) is fixedly connected with a first baffle (521), the front end of the right rack (52) is fixedly connected with a right sliding block (522), the rear end of the mounting plate (21) is fixedly connected with a right sliding frame (523), and the right sliding block (522) is slidably connected to the inner side of the right sliding frame (523).

2. The outer circle machining device for the spherical plain bearing according to claim 1, wherein: the left end of the gear (51) is meshed with a left rack (53), the front end of the left rack (53) is fixedly connected with a left sliding block (534), the rear end of the mounting plate (21) is fixedly connected with a left sliding frame (535), the left sliding block (534) is connected to the inner side of the left sliding frame (535) in a sliding mode, the lower end of the left rack (53) is fixedly connected with an adjusting block (531), the lower end of the adjusting block (531) is provided with a moving groove (532), the rear end of the moving groove (532) is provided with an adjusting groove (533), the moving groove (532) is connected with a moving block (541) in a sliding mode, the lower end of the moving block (541) is fixedly connected with a second baffle (54), the rear end of the moving block (541) is in threaded connection with a third locking screw (542), and the third locking screw (542) is connected to the adjusting groove (533) in a sliding mode.

3. The outer circle machining device for the spherical plain bearing according to claim 2, wherein: the left side of the lower end of the second baffle (54) inclines rightwards.

4. The outer circle machining device for the spherical plain bearing according to claim 1, wherein: carry frame (3) including bottom plate (31), bottom plate (31) front end fixedly connected with preceding curb plate (33), bottom plate (31) rear end is equipped with posterior lateral plate (32), and connecting plate (321) behind posterior lateral plate (32) lower extreme fixedly connected with open on posterior connecting plate (321) has first groove (322) that slides, and threaded connection has first locking screw (311) on bottom plate (31), and first locking screw (311) sliding connection is inboard in first groove (322) that slides.

5. The outer circle machining device for the spherical plain bearing according to claim 4, wherein: the upper end of the bottom plate (31) is provided with a top plate (34), the front end of the top plate (34) is fixedly connected with an upper connecting plate (341), the upper connecting plate (341) is connected with a second locking screw (342) in a threaded mode, a second sliding groove (331) is formed in the front side plate (33), and the second locking screw (342) is connected to the inner side of the second sliding groove (331) in a sliding mode.

6. The outer circle machining device for the spherical plain bearing according to claim 1, wherein: the front end of the central shaft (123) is provided with a chamfer.

7. The outer circle machining device for the spherical plain bearing according to claim 1, wherein: the clamping block (25) is detachably connected to the mounting block (24).

8. The outer circle machining device for the spherical plain bearing according to claim 7, wherein: the utility model discloses a mounting block, including mounting block (24), clamping block (25), clamping block (24) upper end fixedly connected with sliding block (252), sliding block (252) sliding connection is inboard in sliding block (241), mounting block (24) front end is opened there is first locating hole (242), sliding connection has locating pin (26) in first locating hole (242), clamping block (25) front end is opened there is second locating hole (253), locating pin (26) sliding connection is in second locating hole (253).

9. The outer circle machining device for the spherical plain bearing according to claim 1, wherein: second cylinder (22) rear end fixedly connected with fixed block (221), fixed block (221) fixed connection is in mounting panel (21) front end, and finger cylinder (23) rear end fixedly connected with connecting block (231), connecting block (231) rear end fixedly connected with slider (232), mounting panel (21) front end fixedly connected with guide rail (212), slider (232) sliding connection is in the guide rail (212) outside.

10. The outer circle machining device for the joint bearing as claimed in claim 1, wherein: the rear end of the knife rest (111) is fixedly connected with a discharging frame (112), and the lower end of the discharging frame (112) is provided with a material collecting box (6) arranged at the front end of the machine shell (1).