CN117282876A

CN117282876A - Flanging equipment for processing bimetal bearing

Info

Publication number: CN117282876A
Application number: CN202311566269.1A
Authority: CN
Inventors: 俞青春
Original assignee: Wafangdian Renben Bearing Manufacturing Co ltd
Current assignee: Wafangdian Renben Bearing Manufacturing Co ltd
Priority date: 2023-11-23
Filing date: 2023-11-23
Publication date: 2023-12-26
Anticipated expiration: 2043-11-23
Also published as: CN117282876B

Abstract

The invention discloses flanging equipment for processing a bimetal bearing, which belongs to the technical field of bearing processing equipment and comprises a workbench, wherein a fixed seat and a movable seat are arranged on the workbench, a main shaft is rotatably arranged on the fixed seat, a first transmission part for driving the main shaft to rotate is also arranged on the fixed seat, a sliding rail is arranged between the movable seat and the workbench, a compression shaft coaxially arranged with the main shaft is rotatably arranged on the movable seat, and a cylinder for driving the movable seat to slide along the sliding rail is arranged on the workbench.

Description

Flanging equipment for processing bimetal bearing

Technical Field

The invention discloses flanging equipment for processing a bimetal bearing, and belongs to the technical field of bearing processing equipment.

Background

The bimetal bearing is one of oil-free lubrication bearings, and is formed by taking a high-quality low-carbon steel back as a matrix, sintering lead-tin bronze alloy on the surface, and rolling a bimetal strip material integrated with copper and steel through high-temperature sintering and compact rolling for several times. In order to limit falling of bearing steel balls, the bearing outer ring is subjected to inner flanging, and most of the existing flanging processing devices can only carry out flanging on one side of the bearing outer ring when the bearing outer ring is clamped, after the flanging on one side is completed, the flanging on the other side is required to be repeatedly disassembled and assembled, so that the processing efficiency is reduced, meanwhile, during secondary flanging, the machined position is limited to a certain extent during clamping, the bending length and deformation conditions of flanging on two sides are difficult to ensure to be the same, and the flanging quality is influenced.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides flanging equipment for processing a bimetal bearing.

The flanging device for processing the bimetal bearing comprises a workbench, wherein a fixed seat and a movable seat are arranged on the workbench, a main shaft is rotatably arranged on the fixed seat, a first transmission part for driving the main shaft to rotate is further arranged on the fixed seat, a sliding rail is arranged between the movable seat and the workbench, a compression shaft coaxially arranged with the main shaft is rotatably arranged on the movable seat, a cylinder for driving the movable seat to slide along the sliding rail is arranged on the workbench, a clamp detachably connected with the compression shaft and the main shaft is arranged between the compression shaft and the main shaft, the clamp comprises a fixed disc limiting part and two tensioning parts, the two tensioning parts are arranged on two sides of the fixed disc, the limiting part is connected with the two tensioning parts, a material blocking part is arranged on one tensioning part, and a first compression device and a second compression device for laterally compressing an outer ring of the bearing are arranged on the workbench.

Preferably, the tensioning piece comprises a central cone and four tensioning blocks, the central cone is of a frustum structure, inclined ladder blocks are arranged on the periphery of the central cone, inclined grooves matched with the inclined ladder blocks are formed in the tensioning blocks, the tensioning blocks are of a stepped fan-shaped structure, sliding gaps are formed between every two adjacent tensioning blocks, the peripheral walls of the tensioning blocks can be matched with the inner hole walls of the outer ring of the bearing, a ladder table is arranged on the tensioning blocks, and ladder grooves matched with the ladder table are formed in the fixing disc.

Preferably, the locating part includes stud, nut and first spring, stud's middle part has spacing portion, and after the both ends of stud passed the center cone with nut threaded connection, the fixed disk center is provided with the through-hole, first spring is located the through-hole and overlaps and establish in stud's the outside, and the both ends of first spring are contradicted with two center cones, the center cone has the jack of noncircular structure, the nut is located the jack, all be provided with on clamping shaft and the main shaft with jack complex boss.

Preferably, the material blocking piece comprises a stop lever, a sliding block, a second spring and a headless screw, wherein the tensioning block is provided with a mounting hole, two ends of the sliding block are provided with limiting surfaces, the sliding block and the mounting hole are arranged in a sliding mode, two ends of the second spring are respectively abutted to the bottom of the mounting hole and the sliding block, the headless screw is in threaded connection with the mounting hole, the tensioning block is provided with a limiting groove perpendicular to the limiting surfaces, and one end of the stop lever is inserted into the sliding block after passing through the limiting groove.

Preferably, the first closing device includes first sliding seat, compact heap, first screw rod and first hand wheel, be provided with on the workstation with main shaft axis direction vertically first spout, first sliding seat and compact heap are provided with two as central symmetry with anchor clamps, and the bottom of first sliding seat is provided with the lug, first screw rod includes two actuating levers, two the one end that the actuating lever is close to each other passes through flange and bolt connection, and the one end that the two are kept away from each other is rotated with the workstation and is connected, two have on the actuating lever and revolve to opposite screw thread, and both and two lug threaded connection, the tip at one of them actuating lever is installed to first hand wheel, the compact heap passes through bolt fixed mounting on first sliding seat, and one side that the compact heap is close to anchor clamps is provided with the notch groove, the lug slides and sets up in first spout.

Preferably, the second pressing device comprises a second sliding seat, pressing wheels, a second screw rod, a guide rod, a first fixing block and a driving piece, wherein second sliding grooves parallel to the axis of the main shaft are formed in the workbench, the pressing wheels, the second sliding seat, the guide rod and the first fixing block are respectively provided with two, the two first fixing blocks are fixedly connected with the workbench, two ends of the guide rod are respectively connected with the two first fixing blocks, two ends of the second screw rod are rotationally connected with the two first fixing blocks, the driving piece is arranged on the workbench and is in transmission connection with the second screw rod, the two pressing wheels are located on two sides of the clamp, the two pressing wheels are respectively rotationally arranged on the two second sliding seats, the second sliding seats are in sliding connection with the guide rod, and two sections of threads which are opposite in rotation direction are arranged on the second screw rod and are in threaded connection with the two second sliding seats.

Preferably, the driving piece comprises a driving bevel gear, a driven bevel gear, a transmission rod, a second fixed block and a second hand wheel, wherein the transmission rod is rotatably arranged on the first fixed block and the second fixed block, two ends of the transmission rod are fixedly connected with the driving bevel gear and the second hand wheel respectively, and the driven bevel gear is fixed at one end of the second screw rod and is meshed with the driving bevel gear for transmission.

Preferably, the first transmission piece comprises a motor, belt wheels and a belt, wherein the two belt wheels are arranged and are respectively arranged on the main shaft and an output shaft of the motor, the belt is sleeved on the outer sides of the two belt wheels, and the motor is arranged on the fixing seat.

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

through setting up anchor clamps, anchor clamps comprise fixed disk, locating part and tight piece that rises, rely on the relative position of locating part control center cone and fixed disk for tight piece that rises can slide on the fixed disk, and can rise the hole of bearing outer lane tightly, wherein two tight pieces that rise simultaneously have the fender material piece, can control the tight piece that rises with the bearing outer lane like this and rise tight position, thereby ensure that bearing outer lane both sides turn-ups reserve length is the same.

Through setting up main shaft, compression shaft, first closing device and second closing device, after the anchor clamps tensioning centre gripping bearing outer lane, install anchor clamps between main shaft and compression shaft, it is rotatory to drive anchor clamps by first driving medium afterwards, first closing device utilizes notch groove on the compact heap to carry out the preliminary flanging processing to bearing outer lane earlier, carry out flattening processing by the last pinch roller of second closing device to the flanging position of bearing outer lane, the bearing outer lane is through once clamping can accomplish two side internal flanging processing, not only machining efficiency is high, and the flanging quality also can obtain effectual guarantee.

Drawings

FIG. 1 is a schematic structural view of flanging equipment for processing a bimetal bearing;

FIG. 2 is a schematic view of a clamp according to the present invention;

FIG. 3 is a cross-sectional view of a clamp according to the present invention;

FIG. 4 is a schematic view of the structure of the tension member and the fixed disk of the present invention;

FIG. 5 is a schematic view of the structure of the tensioning block and the stopper of the present invention;

FIG. 6 is a schematic view of a first compressing apparatus according to the present invention;

FIG. 7 is a schematic view of a second compressing apparatus according to the present invention;

fig. 8 is a schematic structural view of the first transmission member, the main shaft and the compression shaft in the present invention.

Reference numerals: 1. a work table; 2. a first transmission member; 3. a fixing seat; 4. a clamp; 5. a compression shaft; 6. a movable seat; 7. a cylinder; 8. a slide rail; 9. a driving member; 10. a first hold-down device; 11. a second hold-down device; 12. a main shaft; 13. a material blocking piece; 14. a tensioning block; 15. a fixed plate; 16. inclined ladder blocks; 17. a central cone; 18. a limiting piece; 19. a stud bolt; 20. a through hole; 21. a limit part; 22. a nut; 23. a ladder groove; 24. a limit groove; 25. a landing; 26. a mounting hole; 27. a chute; 28. a headless screw; 29. a slide block; 30. a second spring; 31. a limiting surface; 32. a stop lever; 33. a first hand wheel; 34. a first screw; 35. a compaction block; 36. a bump; 37. a plug pin; 38. a driving rod; 39. a flange; 40. a notch groove; 41. a first sliding seat; 42. a guide rod; 43. a first fixed block; 44. a second screw; 45. a pinch roller; 46. a second sliding seat; 47. a driven bevel gear; 48. a drive bevel gear; 49. a transmission rod; 50. a second fixed block; 51. the second hand wheel; 52. a motor; 53. a belt; 54. a belt wheel; 55. a boss; 56. a tension member; 57. a jack; 58. a first spring.

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.

As shown in fig. 1-8, flanging equipment for processing a bimetal bearing comprises a workbench 1, a fixed seat 3 and a movable seat 6 are arranged on the workbench 1, a main shaft 12 is rotatably arranged on the fixed seat 3, a first transmission part 2 for driving the main shaft 12 to rotate is further arranged on the fixed seat 3, a sliding rail 8 is arranged between the movable seat 6 and the workbench 1, a compression shaft 5 coaxially arranged with the main shaft 12 is rotatably arranged on the movable seat 6, a cylinder 7 for driving the movable seat 6 to slide along the sliding rail 8 is arranged on the workbench 1, a clamp 4 detachably connected with the compression shaft 5 and the main shaft 12 is arranged between the compression shaft 5 and the main shaft 12, the clamp 4 comprises a fixed disc 15 limiting part 18 and two tensioning parts 56, the two tensioning parts 56 are arranged on two sides of the fixed disc 15, the limiting part 18 is connected with the two tensioning parts 56, a blocking part 13 is arranged on one tensioning part 56, and a first compression device 10 and a second compression device 11 for laterally compressing a bearing outer ring are arranged on the workbench 1.

As shown in fig. 2-4, the tensioning member 56 includes a central cone 17 and four tensioning blocks 14, the central cone 17 is in a frustum structure, the periphery is provided with inclined ladder blocks 16, the tensioning blocks 14 are provided with inclined slots 27 matched with the inclined ladder blocks 16, the tensioning blocks 14 are in a stepped fan-shaped structure, a sliding gap is reserved between two adjacent tensioning blocks 14, the peripheral wall of each tensioning block 14 can be matched with the inner hole wall of the outer ring of the bearing, a frustum 25 is arranged on each tensioning block 14, a trapezoid groove 23 matched with the frustum 25 is arranged on the fixed disc 15, and when the central cone 17 and the tensioning blocks 14 relatively slide, the four tensioning blocks 14 can slide in a telescopic manner under the cooperation of the inclined ladder blocks 16 and the inclined slots 27, so that the inner hole of the outer ring of the bearing can be tensioned.

As shown in fig. 2 and 3, the limiting piece 18 includes a stud 19, a nut 22 and a first spring 58, the middle part of the stud 19 is provided with a limiting part 21, two ends of the stud 19 pass through a central cone 17 and are in threaded connection with the nut 22, a through hole 20 is formed in the center of the fixed disc 15, the first spring 58 is located in the through hole 20 and sleeved on the outer side of the stud 19, two ends of the first spring 58 are abutted against two central cones 17, the central cone 17 is provided with a jack 57 with a non-circular structure, the nut 22 is located in the jack 57, bosses 55 matched with the jack 57 are arranged on the compression shaft 5 and the main shaft 12, the central cone 17 is close to the fixed disc 15 under the pushing of the nut 22 through the knob nut 22 until the central cone 17 is blocked by the limiting part 21, at this time, the central cone 17 drives the tension block 14 to slide outwards to the maximum position, so that the tension block 14 can tightly expand the inner hole of the outer ring of the bearing, and when the bearing outer ring is disassembled, the reverse knob nut 22 drives the central cone 17 to move away from the fixed disc 15, the tension block 14 does not separate from the fixed disc 15 under the action of the step 25, and the tension block 14 is not tightly slides to the fixed disc 15.

As shown in fig. 2 and 5, the blocking piece 13 includes a blocking rod 32, a sliding block 29, a second spring 30 and a headless screw 28, the tensioning block 14 is provided with a mounting hole 26, two ends of the sliding block 29 are provided with limiting surfaces 31, the sliding block 29 and the mounting hole 26 are slidably arranged, two ends of the second spring 30 respectively abut against the bottom of the mounting hole 26 and the sliding block 29, the headless screw 28 is in threaded connection with the mounting hole 26, the tensioning block 14 is provided with a limiting groove 24 perpendicular to the limiting surfaces 31, one end of the blocking rod 32 penetrates through the limiting groove 24 and then is inserted into the sliding block 29, when the bearing outer ring is tensioned by the clamp 4, the left and right positions of the bearing outer ring are limited by the blocking rod 32, so that the tensioning positions of the two tensioning pieces 56 on the bearing outer ring can be determined, and the flanging allowance reserved on two sides of the bearing outer ring is the same under the condition that the bearing outer ring is tensioned by the tensioning block 14, so that the quality of subsequent flanging processing can be effectively ensured.

As shown in fig. 1 and 6, the first pressing device 10 includes a first sliding seat 41, a pressing block 35, a first screw 34 and a first hand wheel 33, a first sliding groove perpendicular to the axial direction of the spindle 12 is provided on the working table 1, the first sliding seat 41 and the pressing block 35 are symmetrically provided with two grooves around the clamp 4, the bottom of the first sliding seat 41 is provided with a bump 36, the first screw 34 includes two driving rods 38, one ends of the two driving rods 38 close to each other are connected with the bolt 37 through a flange 39, one ends of the two driving rods 38 far away from each other are rotatably connected with the working table 1, the two driving rods 38 are provided with threads with opposite rotation directions, the two driving rods are in threaded connection with the two bumps 36, the first hand wheel 33 is mounted at the end of one driving rod 38, the pressing block 35 is fixedly mounted on the first sliding seat 41 through a bolt, one side of the pressing block 35 close to the clamp 4 is provided with a notch groove 40, the bumps 36 are slidably arranged in the first sliding groove, the two first sliding seats 41 are close to each other, one another are made to the two pressing blocks 35 are made to abut against the notches of the bearing grooves 40, and the two sides of the bearing blocks 35 are made to stretch tightly, and the two sides of the bearing grooves are made to be tightly bent by the bearing grooves 14.

As shown in fig. 1 and 7, the second compressing device 11 includes a second sliding seat 46, a pressing wheel 45, a second screw 44, a guide rod 42, a first fixed block 43 and a driving member 9, the workbench 1 is provided with two second sliding grooves parallel to the axis of the main shaft 12, the pressing wheel 45, a second sliding seat, the guide rod 42 and the first fixed block 43 are all provided with two first fixed blocks 43 fixedly connected with the workbench 1, two ends of the two guide rods 42 are respectively connected with the two first fixed blocks 43, two ends of the second screw 44 are rotationally connected with the two first fixed blocks 43, the driving member 9 is mounted on the workbench 1 and is in transmission connection with the second screw 44, the two pressing wheels 45 are located at two sides of the clamp 4, the two pressing wheels 45 are rotationally mounted on the two second sliding seats 46, the second sliding seats 46 are in sliding connection with the guide rod 42, two sections of threads with opposite rotation directions are formed on the second screw 44, and are in threaded connection with the two second sliding seats 46, after the compressing blocks 35 are pre-flanged, the two ends of the two guide rods 42 are respectively connected with the two first fixed blocks 43, two ends of the second sliding seats are reversely rotated, the first pressing blocks 35 are respectively, and then the two outer rings of the second pressing wheels 35 are mutually driven to be mutually pressed and the second pressing wheels 45 are mutually far away from the second pressing wheels 45, and the second pressing wheels 45 are synchronously driven to be mutually rotated, and the second pressing wheels 45 are correspondingly and the second pressing wheels are correspondingly and mutually pressed.

As shown in fig. 1 and 8, the driving member 9 includes a driving bevel gear 48, a driven bevel gear 47, a transmission rod 49, a second fixed block 50 and a second hand wheel 51, the transmission rod 49 is rotatably mounted on the first fixed block 43 and the second fixed block 50, and both ends are fixedly connected with the driving bevel gear 48 and the second hand wheel 51 respectively, the driven bevel gear 47 is fixed at one end of the second screw 44 and is engaged with the driving bevel gear 48 to drive, when the second hand wheel 51 is rotated, the driving bevel gear 48 is driven by the transmission rod 49 to rotate, and the driven bevel gear 47 is engaged with the driving bevel gear 48 and can drive the second screw 44 to rotate, thereby providing power for the movement of the second sliding seat 46 and the pinch roller 45.

The first transmission part 2 comprises a motor 52, belt wheels 54 and a belt 53, wherein the two belt wheels 54 are arranged and are respectively arranged on the main shaft 12 and the output shafts of the motor 52, the belt 53 is sleeved on the outer sides of the two belt wheels 54, the motor 52 is arranged on the fixed seat 3, and the first motor 52 drives the belt wheels 54 and the belt 53 to drive, so that the main shaft 12 synchronously drives the clamp 4 to rotate, and power is provided for the rotation of the bearing outer ring.

Working principle: the bearing outer ring is sleeved on the outer side of the clamp 4, the stop lever 32 is inserted on the tensioning block 14, one side of the bearing outer ring is abutted against the stop lever 32, the two nuts 22 are turned, the central cone 17 moves towards the direction of the fixed disc 15, the inner holes of the bearing outer ring are tensioned by the tensioning blocks 14 on two sides under the pushing of the inclined ladder blocks 16 and 55, one side of the clamp 4 is installed between the main shaft 12 and the compression shaft 5 through the matching of the insertion holes 57 and the bosses 55, the stop lever 32 is removed after the assembly is completed, the main shaft 12 and the clamp 4 are driven to rotate by the first transmission piece 2, the bearing outer ring synchronously rotates, the first hand wheel 33 is rotated, the two driving rods 38 drive the two first sliding seats 41 to be close to each other, the notch grooves 40 on the two compression blocks 35 are utilized for carrying out pre-flanging treatment on the bearing outer ring, the first hand wheel 33 is reversely rotated, the compression block 35 is far away from the bearing outer ring, the second hand wheel 51 is rotated, the second hand wheel 44 drives the two second sliding seats 46 and the two side flanging positions of the compression wheels 45 to be carried out, and the rolling position of the two second sliding seats 46 and the two side flanging positions of the compression wheels 45 are kept in a flat state.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The flanging device for processing the bimetal bearing comprises a workbench (1), and is characterized in that a fixed seat (3) and a movable seat (6) are arranged on the workbench (1), a main shaft (12) is rotatably arranged on the fixed seat (3), a first transmission part (2) for driving the main shaft (12) to rotate is further arranged on the fixed seat (3), a sliding rail (8) is arranged between the movable seat (6) and the workbench (1), a compression shaft (5) coaxially arranged with the main shaft (12) is rotatably arranged on the movable seat (6), an air cylinder (7) for driving the movable seat (6) to slide along the sliding rail (8) is arranged on the workbench (1), a clamp (4) detachably connected with the compression shaft (5) and the main shaft (12) is arranged between the compression shaft and the main shaft (12), the clamp (4) comprises a fixed disc (15), a limiting part (18) and two tensioning parts (56), two tensioning parts (56) are arranged on two sides of the fixed disc (15), the limiting part (18) is connected with two tensioning parts (56), one tensioning part (56) is provided with a blocking part (13), the workbench (1) is provided with a first pressing device (10) and a second pressing device (11) for pressing the outer ring of the bearing.

2. The flanging device for processing the bimetal bearing according to claim 1, wherein the tensioning pieces (56) comprise a central cone (17) and four tensioning blocks (14), the central cone (17) is of a frustum structure, the periphery of the central cone is provided with inclined ladder blocks (16), inclined grooves (27) matched with the inclined ladder blocks (16) are arranged on the tensioning blocks (14), the tensioning blocks (14) are of a stepped fan-shaped structure, sliding gaps are reserved between two adjacent tensioning blocks (14), the peripheral wall of each tensioning block (14) can be matched with the inner hole wall of the outer ring of the bearing, and a ladder (25) which is in sliding connection with the fixed disc (15) is arranged on each tensioning block (14).

3. The flanging device for processing the bimetal bearing according to claim 2, wherein the limiting piece (18) comprises a stud (19), a nut (22) and a first spring (58), the middle part of the stud (19) is provided with a limiting part (21), two ends of the stud (19) penetrate through a central cone (17) and then are in threaded connection with the nut (22), the center of the fixed disc (15) is provided with a through hole (20), the first spring (58) is positioned in the through hole (20) and sleeved outside the stud (19), two ends of the first spring (58) are in contact with the two central cones (17), the central cone (17) is provided with a jack (57) with a non-circular structure, the nut (22) is positioned in the jack (57), the tensioning block (14) is provided with a step (25), the fixed disc (15) is provided with a step (23) matched with the step (25), and the pressing shaft (5) and the spindle (12) are provided with a boss (55) matched with the jack (57).

4. The flanging device for processing the bimetal bearing according to claim 3, wherein the blocking piece (13) comprises a stop lever (32), a sliding block (29), a second spring (30) and a headless screw (28), the tensioning block (14) is provided with a mounting hole (26), two ends of the sliding block (29) are provided with limiting surfaces (31), the sliding block (29) and the mounting hole (26) are arranged in a sliding manner, two ends of the second spring (30) are respectively abutted to the bottom of the mounting hole (26) and the sliding block (29), the headless screw (28) is in threaded connection with the mounting hole (26), one end of the stop lever (32) penetrates through the limiting grooves (24) and then is spliced with the sliding block (29).

5. The flanging device for processing the bimetal bearing according to claim 1, wherein the first pressing device (10) comprises a first sliding seat (41), a pressing block (35), a first screw rod (34) and a first hand wheel (33), a first sliding groove perpendicular to the axial direction of the main shaft (12) is formed in the workbench (1), two first sliding seats (41) and the pressing block (35) are symmetrically arranged on the end portion of one driving rod (38) by taking the clamp (4) as a center, a bump (36) is arranged at the bottom of the first sliding seat (41), the first screw rod (34) comprises two driving rods (38), one ends, close to each other, of the driving rods (38) are connected with a bolt (37) through a flange (39), one ends, far away from each other, of the driving rods (38) are in rotary connection with the workbench (1), threads opposite in rotary directions are formed in the driving rods, the driving rods are in threaded connection with the two bumps (36), the first hand wheel (33) is mounted on the end portion of one driving rod (38), the pressing block (35) is arranged in the first sliding seat (40) by means of the fixing block (35), and the bump (35) is arranged in the first sliding seat (40).

6. The flanging device for processing the bimetal bearing according to claim 1, wherein the second pressing device (11) comprises a second sliding seat (46), a pressing wheel (45), a second screw rod (44), a guide rod (42), a first fixing block (43) and a driving piece (9), a second sliding groove parallel to the axis of the main shaft (12) is arranged on the workbench (1), two pressing wheels (45), the second sliding seat, the guide rod (42) and the first fixing block (43) are respectively arranged, the two first fixing blocks (43) are fixedly connected with the workbench (1), two ends of the two guide rods (42) are respectively connected with the two first fixing blocks (43), two ends of the second screw rod (44) are rotatably connected with the two first fixing blocks (43), the driving piece (9) is arranged on the workbench (1) and is in transmission connection with the second screw rod (44), the two pressing wheels (45) are positioned on two sides of the clamp (4), and the two pressing wheels (45) are respectively rotatably connected with the two sliding seats (46) in a threaded manner, and the two guide rods (46) are rotatably connected with the two sliding seats (46).

7. The flanging device for processing the bimetal bearing according to claim 6, wherein the driving member (9) comprises a driving bevel gear (48), a driven bevel gear (47), a transmission rod (49), a second fixed block (50) and a second hand wheel (51), the transmission rod (49) is rotatably installed on the first fixed block (43) and the second fixed block (50), two ends of the transmission rod are fixedly connected with the driving bevel gear (48) and the second hand wheel (51) respectively, and the driven bevel gear (47) is fixed at one end of the second screw (44) and is meshed with the driving bevel gear (48) for transmission.

8. The flanging device for processing the bimetal bearing according to claim 1, wherein the first transmission member (2) comprises a motor (52), belt wheels (54) and a belt (53), the belt wheels (54) are arranged in two and are respectively arranged on the main shaft (12) and an output shaft of the motor (52), the belt (53) is sleeved on the outer sides of the two belt wheels (54), and the motor (52) is arranged on the fixing seat (3).