CN116618995A

CN116618995A - Automatic assembly equipment is used in bearing processing

Info

Publication number: CN116618995A
Application number: CN202310911604.0A
Authority: CN
Inventors: 郁彬; 周佳; 刘彤
Original assignee: Kunshan Aodelu Automation Technology Co ltd
Current assignee: Kunshan Aodelu Automation Technology Co ltd
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2023-08-22
Anticipated expiration: 2043-07-25
Also published as: CN116618995B

Abstract

The invention discloses automatic assembly equipment for bearing processing, and particularly relates to the field of bearing assembly, which comprises an assembly table, wherein a clamping assembly for clamping a shaft piece is arranged on the assembly table, a linear pushing assembly which is arranged on one side of the clamping assembly and used for pushing and pressing a bearing is also arranged on the assembly table, an oiling rod is arranged at one end of the linear pushing assembly, which is close to the clamping assembly, and a straight groove along the axial direction is formed in the position of the shaft piece, which is positioned on the bearing mounting surface; the oiling rod is connected with an oil supply device. According to the invention, through the arrangement of the straight groove, the linear pushing component and the oiling rod, when the shaft piece is pressed, the oiling rod moves along with the linear pushing component, so that lubricating oil is provided for the contact surface of the shaft piece and the bearing through the oiling rod, the lubricating oil seeps out from the end part of the bearing and is continuously used, thereby preventing the inner ring of the bearing from scraping away the lubricating oil to cause scratch on the mounting surface of the shaft piece and the bearing, and avoiding the problem of 'inner ring moving'.

Description

Automatic assembly equipment is used in bearing processing

Technical Field

The invention relates to the technical field of bearing assembly, in particular to automatic assembly equipment for bearing processing.

Background

Bearings affect the performance and life of the device, and bearing problems often become a critical issue for a piece of machinery. The bearing is usually installed by a pressing method, a heating method and the like, and when the bearing is installed, a layer of lubricating oil is usually coated on the shaft to reduce friction force in the installation process.

However, if the stroke of the bearing in the press mounting process is longer, which is several times the width of the bearing, when the gap between the inner ring and the shaft is smaller, the edge of the inner ring of the bearing scratches the surface of the shaft during mounting or pressing, the lubricating oil at the scraping part is scraped off and causes damage to the shaft, and if the mounting position of the bearing is scratched, the defect is generated, the pressing force between the bearing and the shaft is reduced, and the problem of 'inner ring moving' caused by relative sliding of the inner ring of the bearing and the shaft is easily caused.

Disclosure of Invention

In order to solve the technical problems, the invention provides automatic assembly equipment for bearing processing.

The automatic assembly equipment for bearing processing comprises an assembly table, wherein a clamping assembly for clamping a shaft piece is arranged on the assembly table, a linear pushing assembly which is arranged on one side of the clamping assembly and used for pushing and pressing a bearing is also arranged on the assembly table, an oiling rod is arranged at one end of the linear pushing assembly, which is close to the clamping assembly, and a straight groove along the axial direction is formed in the position, which is located on the mounting surface of the bearing, of the shaft piece; the oiling rod is connected with the oil supply device, so that when the linear pushing component pushes the bearing to assemble the bearing on the shaft member, the oiling rod can extend into the straight groove to inject lubricating oil into the contact surface of the shaft member and the bearing.

In a preferred embodiment, an oil duct is formed in the oil injection rod, an oil port is formed in the upper side of the front end of the oil duct, an inner annular groove is formed in the middle of the inner surface of the bearing inner ring, the rear end of the oil duct is communicated with the oil supply device, and the oil port is communicated with the inner annular groove.

In a preferred embodiment, the device further comprises a support assembly, the support assembly comprises a baffle disc sleeved at the end part of the shaft element, the linear pushing assembly comprises a pushing cylinder and a first driving component used for driving the pushing cylinder to linearly move, the pushing cylinder is sleeved at the outer side of the baffle disc, the front end of the pushing cylinder is used for being in contact with the end face of the inner ring of the bearing to push the bearing, an oil cavity is formed between the inner side of the front part of the pushing cylinder and the front side of the baffle disc, and an inlet and an outlet which are communicated with the oil cavity are respectively formed in the upper end and the lower end of the pushing cylinder.

In a preferred embodiment, the support assembly further comprises a fixing seat, and a fixing disc arranged on one side of the fixing seat, wherein the baffle disc is arranged on one side, away from the fixing seat, of the fixing disc, and the fixing disc is fixedly connected with the baffle disc through a connecting rod.

In a preferred embodiment, the baffle plate is provided with sealing assembly near one side of the fixed plate, sealing assembly includes two relative setting and with connecting rod fixed connection's montant, all vertical cover is equipped with the arc on two montants, the front end of arc is laminated mutually with the lateral wall of baffle plate, the equal fixedly connected with fixed block of rear end of two arcs, install the spring between two fixed blocks, sealing assembly is still including being used for driving two arc centre gripping drive part two on the shaft part.

In a preferred embodiment, the driving part comprises a gear motor arranged on one side of the fixed seat, a driving disc arranged at the output end of the gear motor, a guide groove is formed in one side of the driving disc, pin shafts are arranged at the end parts of the two fixed blocks, the pin shafts are arranged in the guide groove, and the distance between the upper end and the lower end of the guide groove is larger than that between the left end and the right end of the guide groove.

In a preferred embodiment, the clamping assembly comprises a mounting seat fixedly mounted with the assembly table, a driving motor mounted on one side of the mounting seat, a double-thread screw rod rotatably mounted on the mounting seat, two clamping blocks respectively mounted on two ends of the double-thread screw rod, and the driving motor is used for driving the double-thread screw rod to rotate so as to drive the two clamping blocks to be close to or far away from each other.

In a preferred embodiment, the device further comprises a jacking assembly, wherein the jacking assembly comprises a second cylinder and a jacking block arranged at the two ends of the second cylinder, and the second cylinder is used for driving the jacking block to jack the end of the shaft piece.

In a preferred embodiment, the automatic feeding device further comprises an automatic feeding assembly, wherein the automatic feeding assembly comprises a fixing frame installed on the assembly table, a rotating frame rotatably installed at the upper end of the fixing frame, a vertical driving component installed on the rotating frame, a rotary driving component used for driving the rotating frame to rotate, and a clamping jaw used for clamping a bearing is installed at the bottom of the vertical driving component.

In a preferred embodiment, the rotary driving part comprises a fixed plate arranged at one end of the rotary frame and a first cylinder hinged on the fixed frame, the fixed plate is provided with a long groove, and the output end of the first cylinder is movably arranged in the long groove.

The invention has the technical effects and advantages that:

1. according to the invention, through the arrangement of the straight groove, the linear pushing component and the oiling rod, when the shaft piece is pressed, the oiling rod moves along with the linear pushing component, so that lubricating oil is provided for the contact surface of the shaft piece and the bearing through the oiling rod, the lubricating oil seeps out from the end part of the bearing and is continuously used, thereby preventing the inner ring of the bearing from scraping away the lubricating oil to scratch the mounting surface of the shaft piece and the bearing, and avoiding the problem of inner ring moving caused by the relative sliding of the inner ring of the bearing and the shaft piece.

2. According to the invention, the inner side of the front part of the pushing cylinder and the front side of the baffle disc form the oil cavity, so that high-pressure lubricating oil enters the oil cavity from the inlet, and then the lubricating oil can seep from the edge of the inner ring of the bearing, and the lubricating oil is continuously discharged from the position, so that the surface scratch of the shaft part caused by scraping the lubricating oil by the inner ring of the bearing is prevented.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the overall structure of the present invention.

Fig. 3 is a schematic diagram of a partial structure of the present invention.

Fig. 4 is a partial structural schematic diagram of the cross-sectional view of fig. 3 according to the present invention.

Fig. 5 is an enlarged view of a partial structure at a in fig. 4 according to the present invention.

Fig. 6 is a schematic diagram of a partial structure of the present invention.

Fig. 7 is an exploded view of a partial structure of the present invention.

Fig. 8 is a schematic structural view of a clamping assembly according to the present invention.

Fig. 9 is a schematic structural view of an automatic feeding assembly according to the present invention.

The reference numerals are: 1. an assembly table; 2. a clamping assembly; 21. a mounting base; 22. a driving motor; 23. a double-end screw thread lead screw; 24. clamping blocks; 3. a linear pushing assembly; 31. a pushing cylinder; 311. an inlet; 312. an outlet; 32. a first driving part; 4. an oiling rod; 41. an oil passage; 42. an oil port; 5. a support assembly; 51. a fixing seat; 52. a fixed plate; 53. a baffle disc; 54. a connecting rod; 6. a seal assembly; 61. a vertical rod; 62. an arc-shaped plate; 63. a fixed block; 64. a spring; 65. a second driving part; 651. a speed reducing motor; 652. a drive plate; 653. a guide groove; 66. a pin shaft; 7. an automatic feeding assembly; 71. a fixing frame; 72. a rotating frame; 73. a vertical driving part; 74. a clamping jaw; 75. a rotation driving part; 751. a fixing plate; 752. a long groove; 753. a first cylinder; 8. a jacking assembly; 81. a second cylinder; 82. a top block; 9. an oil chamber; 100. a shaft member; 101. a straight groove; 200. a bearing; 201. an inner ring groove.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1 to 9 of the drawings, an automated assembly device for bearing processing comprises an assembly table 1, wherein a clamping assembly 2 for clamping a shaft member 100 is mounted on the assembly table 1, a linear pushing assembly 3 for pushing a bearing 200 is further mounted on one side of the clamping assembly 2 on the assembly table 1, an oiling rod 4 is mounted at one end of the linear pushing assembly 3 close to the clamping assembly 2, and a straight groove 101 along the axial direction is formed in the position of the shaft member 100, which is located on the mounting surface of the bearing 200; the oil injection rod 4 is connected to an oil supply device, so that the oil injection rod 4 can extend into the straight groove 101 to inject lubricating oil into the contact surface of the shaft member 100 and the bearing 200 when the linear pushing assembly 3 pushes the bearing 200 to assemble the bearing 200 on the shaft member 100.

Further, an oil duct 41 is formed in the oil injection rod 4, an oil port 42 is formed in the upper side of the front end of the oil duct 41, an inner annular groove 201 is formed in the middle of the inner surface of the inner ring of the bearing 200, the rear end of the oil duct 41 is communicated with an oil supply device, and the oil port 42 is communicated with the inner annular groove 201.

It should be noted that, in the above oil supply device, an oil pump may be used, when the bearing 200 is assembled, the shaft 100 is first placed on the clamping assembly 2 to clamp, then the bearing 200 is placed at the sleeved position, the linear pushing assembly 3 abuts against the inner ring of the bearing 200, and during the process of pressing the linear pushing assembly 3 into the bearing 200, the oil injection rod 4 is inserted into the straight groove 101 and can move synchronously with the linear pushing assembly 3, that is, the oil injection rod 4 and the bearing 200 always maintain a relatively stationary state. In the pressing-in process, high-pressure lubricating oil is supplied to the oil duct 41 through the oil pump, the oil pressure is kept at 50-60Mpa, the high-pressure lubricating oil is pressed into the contact surface between the inner ring of the bearing 200 and the shaft member 100 through the oil port 42 and the inner ring groove 201, on one hand, the friction force in the pressing-in process can be reduced, on the other hand, the sufficient lubricating oil quantity of the contact surface can be ensured, in the pushing-in process of the bearing 200, the lubricating oil continuously seeps out at the edge of the inner ring of the bearing 200, and the lubricating oil quantity at the position is continuous, so that the inner ring of the bearing 200 scrapes away the lubricating oil to cause the scratch on the mounting surface of the shaft member 100 and the bearing 200, the occurrence of the problem of inner ring running away is avoided, and the method for assembling the bearing 200 is particularly suitable for the situation that the pressing-in which the pressing-in stroke of the bearing 200 is longer (the pressing-in stroke of the bearing 200 is larger than 1.6 times the width of the bearing 200), and the scratch on the surface of the shaft member 100 is not caused on the mounting surface of the bearing 200.

Further, the device further comprises a support assembly 5, the support assembly 5 comprises a baffle disc 53 sleeved at the end part of the shaft element 100, the linear pushing assembly 3 comprises a pushing cylinder 31 and a first driving component 32 for driving the pushing cylinder 31 to linearly move, the pushing cylinder 31 is sleeved at the outer side of the baffle disc 53, the front end of the pushing cylinder is used for being in contact with the end face of the inner ring of the bearing 200 to push the bearing 200, an oil cavity 9 is formed between the inner side of the front part of the pushing cylinder 31 and the front side of the baffle disc 53, and an inlet 311 and an outlet 312 which are communicated with the oil cavity 9 are respectively formed at the upper end and the lower end of the pushing cylinder 31.

In the foregoing description, the first driving component 32 may be driven by a stepping motor with a screw rod, and when the bearing 200 is initially pressed in, the oil injection rod 4 cannot inject lubricating oil into the contact surface of the shaft member 100 and the bearing 200, so, in order to prevent the surface of the shaft from being scratched during the initial pressing in of the bearing 200 and affecting the installation of other components, the linear pushing component 3 and the supporting component 5 are provided, that is, the inner side of the front part of the pushing cylinder 31 and the front side of the baffle disc 53 form an oil cavity 9, so that high-pressure lubricating oil enters the oil cavity 9 from the inlet 311, then the lubricating oil seeps out from the edge of the inner ring of the bearing 200, the position of the shaft shoulder has a guiding angle, and the lubricating oil is more prone to seeping out, and the lubricating oil is constantly at the position, thereby preventing the inner ring of the bearing 200 from scraping the lubricating oil to scratch the surface of the shaft member 100. Wherein, the oil pressure is kept at 75-90Mpa, and when the bearing 200 is completely sleeved on the shaft member 100 and continuously pressed in, high-pressure lubricating oil can enter from the oil duct 41 and is injected into the mounting surfaces of the shaft member 100 and the bearing 200 through the oil port 42.

Further, the support assembly 5 further comprises a fixing seat 51, a fixing disc 52 arranged on one side of the fixing seat 51, and a baffle disc 53 arranged on one side of the fixing disc 52 away from the fixing seat 51, wherein the fixing disc 52 and the baffle disc 53 are fixedly connected through a connecting rod 54.

It should be noted that, the support assembly 5 may serve the purpose of supporting the pushing cylinder 31, and the pushing cylinder 31 may be slidably mounted with the connecting rod 54 to improve stability.

Further, a sealing component 6 is arranged on one side, close to the fixed disc 52, of the baffle disc 53, the sealing component 6 comprises two vertical rods 61 which are oppositely arranged and fixedly connected with the connecting rod 54, arc plates 62 are vertically sleeved on the two vertical rods 61, the front ends of the arc plates 62 are attached to the side walls of the baffle disc 53, fixed blocks 63 are fixedly connected to the rear ends of the two arc plates 62, springs 64 are arranged between the two fixed blocks 63, and the sealing component 6 further comprises a second driving component 65 used for driving the two arc plates 62 to clamp the shaft piece 100.

Still further, the second driving part 65 includes a gear motor 651 mounted on one side of the fixed seat 51, a driving plate 652 mounted on an output end of the gear motor 651, a guide groove 653 formed on one side of the driving plate 652, pin shafts 66 mounted on end portions of the two fixed blocks 63, the pin shafts 66 disposed in the guide groove 653, and a distance between an upper end and a lower end of the guide groove 653 being greater than a distance between the left end and the right end.

It should be noted that, when the two arc plates 62 are opened mutually, the two pins 66 are located at the upper and lower ends of the guide groove 653 respectively, the driving disc 652 is driven to rotate by 90 degrees by the gear motor 651, the two pins 66 can be pressed towards the middle part by the guide groove 653, so that the two arc plates 62 clamp the end part of the shaft 100, the front end of the arc plate 62 is attached to the baffle disc 53 and is provided with a sealing ring, and when the gear motor 651 drives the driving disc 652 to rotate reversely, the spring 64 pushes the two fixing blocks 63 to separate the two arc plates 62 at the upper and lower sides. By the provision of the seal assembly 6, after the two arcuate plates 62 clamp the end portions of the shaft member 100, the lubricating oil at the oil chamber 9 can be prevented from flowing out from the middle portion of the baffle plate 53.

Further, the clamping assembly 2 comprises a mounting seat 21 fixedly mounted with the assembly table 1, a driving motor 22 mounted on one side of the mounting seat 21, a double-threaded screw rod 23 rotatably mounted on the mounting seat 21, two clamping blocks 24 respectively mounted on two ends of the double-threaded screw rod 23, and the driving motor 22 is used for driving the double-threaded screw rod 23 to rotate so as to drive the two clamping blocks 24 to be close to or far away from each other.

It should be noted that, the double-threaded screw rod 23 has threads at both ends and has opposite rotation directions, and the driving motor 22 drives the double-threaded screw rod 23 to rotate through gear transmission, so that the two clamping blocks 24 can be close to or far away from each other, and when the two clamping blocks are close to each other, the shaft member 100 can be clamped and fixed.

Further, the pressing assembly 8 comprises a second cylinder 81 and a pressing block 82 arranged at the end of the second cylinder 81, and the second cylinder 81 is used for driving the pressing block 82 to press the end of the shaft piece 100.

By providing the pressing member 8, the end of the shaft member 100 can be pressed against, and the shaft member 100 can be pressed against a predetermined position when initially placed.

Further, the automatic feeding device further comprises an automatic feeding assembly 7, wherein the automatic feeding assembly 7 comprises a fixing frame 71 arranged on the assembling table 1, a rotating frame 72 rotatably arranged at the upper end of the fixing frame 71, a vertical driving part 73 arranged on the rotating frame 72, a rotary driving part 75 used for driving the rotating frame 72 to rotate, and a clamping jaw 74 used for clamping the bearing 200 is arranged at the bottom of the vertical driving part 73.

Still further, the rotary driving part 75 includes a fixing plate 751 installed at one end of the rotary frame 72, a first cylinder 753 hinged to the fixing frame 71, a long groove 752 is formed in the fixing plate 751, and an output end of the first cylinder 753 is movably installed inside the long groove 752.

It should be noted that, through the setting of automatic feeding subassembly 7, can centre gripping bearing 200 material loading to in the in-process of bearing 200 initial press-in, also can play the location support effect to bearing 200. Specifically, the output end of the first cylinder 753 slides in the long groove 752 through the expansion and contraction of the first cylinder 753, so that the fixing plate 751 and the rotating frame 72 connected with the fixing plate 751 can be driven to rotate, and the vertical driving part 73 can be driven by the cylinder to drive the clamping jaw 74 to move.

In particular use, the bearing 200 is first clamped to the location to be assembled by the automatic loading assembly 7 and then the shaft 100 is placed on the clamping assembly 2. The shaft 100 is pressed to a preset position by the pressing component 8, and then the shaft 100 is clamped and fixed by the clamping component 2. Secondly, the first driving part 32 drives the pushing cylinder 31 to move to prop against the end face of the inner ring of the bearing 200, the oil pump injects high-pressure lubricating oil into the oil cavity 9 from the inlet 311, so that the lubricating oil seeps out from the end part of the bearing 200 to the surface of the shaft member 100 to provide continuous lubricating oil, the clamping jaw 74 releases the bearing 200, the pushing cylinder 31 pushes the bearing 200 to assemble, the oil injection rod 4 moves together, after the oil injection rod 4 is inserted into the straight groove 101, oil can be supplied into the inner ring groove 201, and the lubricating oil seeps out from the end part of the bearing 200 after entering the contact surface of the shaft member 100 and the bearing 200 from the inner ring groove 201 to provide continuous lubricating oil. After the bearing 200 is put in place, the push cylinder 31 is moved back, and finally the shaft 100 is taken out.

Finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. The utility model provides an automatic equipment is used in bearing processing, includes equipment platform (1), install on equipment platform (1) and be used for centre gripping subassembly (2) of centre gripping shaft piece (100), its characterized in that: the assembly table (1) is also provided with a linear pushing component (3) arranged at one side of the clamping component (2) and used for pushing the bearing (200), one end of the linear pushing component (3) close to the clamping component (2) is provided with an oiling rod (4), and a straight groove (101) along the axial direction is formed in the position of the shaft piece (100) at the installation surface of the bearing (200);

the oiling rod (4) is connected with an oil supply device, so that when the linear pushing component (3) pushes the bearing (200) to assemble the bearing (200) on the shaft piece (100), the oiling rod (4) can extend into the straight groove (101) to inject lubricating oil into the contact surface of the shaft piece (100) and the bearing (200).

2. An automated assembly device for bearing machining according to claim 1, wherein: an oil duct (41) is formed in the oil injection rod (4), an oil port (42) is formed in the upper side of the front end of the oil duct (41), an inner annular groove (201) is formed in the middle of the inner surface of the inner ring of the bearing (200), the rear end of the oil duct (41) is communicated with an oil supply device, and the oil port (42) is communicated with the inner annular groove (201).

3. An automated assembly device for bearing machining according to claim 1 or 2, characterized in that: the novel oil cavity pushing device is characterized by further comprising a supporting component (5), wherein the supporting component (5) comprises a baffle disc (53) which is arranged at the end part of the shaft piece (100) in a sleeved mode, the linear pushing component (3) comprises a pushing cylinder (31) and a driving component I (32) which is used for driving the pushing cylinder (31) to linearly move, the pushing cylinder (31) is arranged on the outer side of the baffle disc (53) in a sleeved mode, the front end of the pushing cylinder is used for being in contact with the end face of the inner ring of the bearing (200) so as to push the bearing (200), an oil cavity (9) is formed between the inner side of the front part of the pushing cylinder (31) and the front side of the baffle disc (53), and an inlet (311) and an outlet (312) which are communicated with the oil cavity (9) are formed in the upper end and the lower end of the pushing cylinder (31).

4. An automated assembly apparatus for bearing machining according to claim 3, wherein: the support assembly (5) further comprises a fixing seat (51) and a fixing disc (52) arranged on one side of the fixing seat (51), the baffle disc (53) is arranged on one side, far away from the fixing seat (51), of the fixing disc (52), and the fixing disc (52) and the baffle disc (53) are fixedly connected through a connecting rod (54).

5. An automated assembly device for bearing machining according to claim 4, wherein: one side that keeps off dish (53) is close to fixed disk (52) is provided with seal assembly (6), seal assembly (6) include two relative settings and with montant (61) of connecting rod (54) fixed connection, two all vertical cover is equipped with arc (62) on montant (61), the front end and the lateral wall that keeps off dish (53) of arc (62) laminate mutually, two the equal fixedly connected with fixed block (63) of rear end of arc (62), two install spring (64) between fixed block (63), seal assembly (6) still including be used for driving two arc (62) centre gripping drive part two (65) on shaft part (100).

6. An automated assembly apparatus for bearing machining according to claim 5, wherein: the second driving component (65) comprises a gear motor (651) arranged on one side of the fixed seat (51), a driving disc (652) arranged at the output end of the gear motor (651), a guide groove (653) is formed in one side of the driving disc (652), pin shafts (66) are arranged at the end parts of the two fixed blocks (63), the pin shafts (66) are arranged in the guide groove (653), and the distance between the upper end and the lower end of the guide groove (653) is larger than that between the left end and the right end of the guide groove.

7. An automated assembly device for bearing machining according to claim 1, wherein: the clamping assembly (2) comprises a mounting seat (21) fixedly mounted with the assembly table (1), a driving motor (22) mounted on one side of the mounting seat (21), and a double-head threaded screw rod (23) rotatably mounted on the mounting seat (21), wherein two clamping blocks (24) are respectively mounted at two ends of the double-head threaded screw rod (23), and the driving motor (22) is used for driving the double-head threaded screw rod (23) to rotate so as to drive the two clamping blocks (24) to be close to or far away from each other.

8. An automated assembly device for bearing machining according to claim 1, wherein: the hydraulic lifting device further comprises a lifting assembly (8), wherein the lifting assembly (8) comprises a second cylinder (81) and a lifting block (82) arranged at the end part of the second cylinder (81), and the second cylinder (81) is used for driving the lifting block (82) to lift and press the end part of the shaft piece (100).

9. An automated assembly device for bearing machining according to claim 1, wherein: still include automatic feeding subassembly (7), automatic feeding subassembly (7) are including installing mount (71) on mount (1), rotate swivel mount (72) of installing in mount (71) upper end, install vertical drive part (73) on swivel mount (72), be used for driving swivel mount (72) pivoted rotary drive part (75), clamping jaw (74) that are used for centre gripping bearing (200) are installed to the bottom of vertical drive part (73).

10. An automated assembly device for bearing machining according to claim 9, wherein: the rotary driving part (75) comprises a fixed plate (751) arranged at one end of the rotary frame (72) and a first cylinder (753) hinged on the fixed frame (71), the fixed plate (751) is provided with a long groove (752), and the output end of the first cylinder (753) is movably arranged in the long groove (752).