CN215699527U

CN215699527U - Bearing assembly workbench

Info

Publication number: CN215699527U
Application number: CN202122207695.9U
Authority: CN
Inventors: 钟加才; 左秀玲; 钟玲琴
Original assignee: Wenling Feitian Bearing Co ltd
Current assignee: Wenling Feitian Bearing Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-02-01
Anticipated expiration: 2031-09-13

Abstract

The utility model belongs to the technical field of bearing assembly, and particularly relates to a bearing assembly workbench which comprises an assembly bench, a bearing placing plate and a shaft placing plate, wherein the bearing placing plate and the shaft placing plate are both provided with a central circular hole; the bottom end of the pressing seat is in a circular truncated cone shape; two positioning clamp plates are mounted on the top surface of the shaft placing plate, arc-shaped clamp grooves are formed in opposite surfaces of the positioning clamp plates, and a supporting plate located right below the central circular hole is further fixed on the bottom surface of the shaft placing plate; a jacking assembly for driving the shaft element placing plate to move along the longitudinal direction is arranged on the top surface of the assembling table; according to the assembly workbench, the bearing and the shaft can be better positioned by combining the movable bearing placing plate, the shaft placing plate and the pressing seat with the bottom in a truncated cone shape and the two groups of positioning clamping plates, so that the reliability of bearing assembly is ensured, and the assembly deviation is avoided; the assembly workbench is convenient to use and maintain, low in cost, convenient to operate and suitable for assembling bearings of various specifications.

Description

Bearing assembly workbench

Technical Field

The utility model belongs to the technical field of bearing assembly, and particularly relates to a bearing assembly workbench.

Background

The bearing is an important part in modern mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body, so that the bearing needs to be assembled on a shaft part when in use.

The conventional bearing assembly can be roughly divided into a knocking-in mode and a pressing-in mode, but the bearing and a shaft part are difficult to be reliably positioned, and the assembly has more or less deviation, so that the assembly precision of the bearing is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides the bearing assembling workbench which has the characteristics of convenience in use and high assembling precision.

In order to achieve the purpose, the utility model provides the following technical scheme: a bearing assembling workbench comprises an assembling table, a bearing placing plate and a shaft placing plate, wherein the bearing placing plate and the shaft placing plate are both provided with a central circular hole; telescopic springs A sleeved on the stand column are distributed between the bearing placing plate and the shaft placing plate, and telescopic springs B sleeved on the stand column are distributed between the shaft placing plate and the assembling table; the bottom end of the pressing seat is in a circular truncated cone shape, and the inner diameter of the bottom end of the pressing seat is smaller than that of the top end; the pressing seat is arranged below the top plate in a vertically reciprocating manner and is opposite to the central circular hole in the bearing placing plate, and a slot for embedding the shaft piece is formed in the bottom surface of the top plate; two positioning clamp plates which can be relatively close to or far away from each other are arranged on the top surface of the shaft placing plate, the positioning clamp plates are respectively positioned on two sides of a central circular hole on the shaft placing plate, arc-shaped clamp grooves are respectively formed in opposite surfaces of the positioning clamp plates, and a supporting plate positioned right below the central circular hole is also fixed on the bottom surface of the shaft placing plate; and a jacking assembly for driving the shaft element placing plate to move along the longitudinal direction is arranged on the top surface of the assembling table.

As a preferred technical scheme of the utility model, the device also comprises a first air cylinder, and the first air cylinder is arranged on the top surface of the top plate; and a piston rod of the first air cylinder penetrates through the top plate and then is fixedly connected with the pressing seat.

As a preferable technical scheme of the present invention, a rubber lining is fixedly bonded to an inner wall of the clamping groove, and protruding strips extending in the longitudinal direction are uniformly distributed in the rubber lining.

As a preferred technical scheme of the utility model, the jacking assembly comprises a movable plate, a turnover supporting arm and a second cylinder, a limiting plate is fixed on the top surface of the assembly table, the movable plate is positioned on one side of the limiting plate, one end of the turnover supporting arm is hinged with the shaft placing plate, the other end of the turnover supporting arm is hinged with the movable plate, the second cylinder is installed on the limiting plate, and a piston rod of the second cylinder penetrates through the limiting plate and then is fixedly connected with the movable plate; two guide posts which are symmetrically distributed are further fixed on the movable plate, and the guide posts penetrate through the limiting plate.

As a preferred technical scheme of the utility model, the shaft element placing plate further comprises a bidirectional threaded column, two symmetrically distributed mounting seats are fixed on the top surface of the shaft element placing plate, the bidirectional threaded column is rotationally erected between the two mounting seats, and the bidirectional threaded column penetrates through the positioning clamping plate and is connected with the positioning clamping plate in a threaded screwing mode; and a knob is fixed at the end part of the bidirectional threaded column.

As a preferred technical scheme of the utility model, the positioning clamp further comprises a guide assembly, and the guide assembly is fixed on the end surface of the positioning clamp plate; the guide assembly comprises a telescopic column, a U-shaped frame, a roller and a telescopic spring C, wherein the U-shaped guide rail is fixed on the top surface of the shaft placing plate, the telescopic column is fixed at the end part of the positioning clamping plate, the U-shaped frame is fixed at the end part of the telescopic column, the roller is installed on the inner side of the U-shaped frame, and the telescopic spring C is sleeved on the telescopic column and is located between the end surface of the positioning clamping plate and the U-shaped frame.

Compared with the prior art, the utility model has the beneficial effects that: according to the assembly workbench, the bearing and the shaft can be better positioned by combining the movable bearing placing plate, the shaft placing plate and the pressing seat with the bottom in a truncated cone shape and the two groups of positioning clamping plates, so that the reliability of bearing assembly is ensured, and the assembly deviation is avoided; the assembly workbench is convenient to use and maintain, low in cost, convenient to operate and suitable for assembling bearings of various specifications.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a schematic side view of the pressing base of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the guide assembly of FIG. 1 according to the present invention;

in the figure: 1. an assembly table; 2. a column; 3. a top plate; 4. a bearing placing plate; 5. a shaft placing plate; 51. a support plate; 6. a telescopic spring A; 7. a telescopic spring B; 8. a first cylinder; 9. pressing a base; 10. positioning the clamping plate; 11. a clamping groove; 12. a mounting seat; 13. a bi-directional threaded post; 14. a knob; 15. a guide assembly; 16. a limiting plate; 17. a movable plate; 18. turning over the supporting arm; 19. a second cylinder; 20. a guide post; 21. a slot; 22. a rubber lining; 23. a convex strip; 24. a telescopic column; 25. a U-shaped frame; 26. a roller; 27. a telescopic spring C; 28. u-shaped guide rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a bearing assembling workbench comprises an assembling table 1, a bearing placing plate 4 and a shaft placing plate 5 which are both provided with a central circular hole, wherein four upright posts 2 which are distributed in a diagonal manner are fixed on the top surface of the assembling table 1, the upright posts 2 respectively penetrate through the bearing placing plate 4 and the shaft placing plate 5, and the top ends of the upright posts 2 are provided with top plates 3; a telescopic spring A6 sleeved on the upright post 2 is distributed between the bearing placing plate 4 and the shaft placing plate 5, and a telescopic spring B7 sleeved on the upright post 2 is distributed between the shaft placing plate 5 and the assembly table 1; the bottom end of the pressing seat 9 is in a circular truncated cone shape, and the inner diameter of the bottom end of the pressing seat 9 is smaller than that of the top end; the pressing seat 9 is arranged below the top plate 3 in a vertically reciprocating manner and is opposite to a central circular hole on the bearing placing plate 4, and a slot 21 for embedding a shaft piece is formed in the bottom surface of the top plate 3; two positioning clamp plates 10 which can be relatively close to or far away from each other are arranged on the top surface of the shaft placing plate 5, the positioning clamp plates 10 are respectively positioned on two sides of a central circular hole on the shaft placing plate 5, arc-shaped clamp grooves 11 are respectively formed in opposite surfaces of the positioning clamp plates 10, and a supporting plate 51 positioned right below the central circular hole is also fixed on the bottom surface of the shaft placing plate 5; the top surface of the assembly table 1 is provided with a jacking component for driving the shaft element placing plate 5 to move along the longitudinal direction, the bearing to be assembled is placed on the bearing placing plate 4 corresponding to the central circular hole, the shaft penetrates through the central circular hole of the shaft placing plate 5, the bottom end is supported and limited by a supporting plate 51, the upper part is clamped by two positioning clamping plates 10 to ensure the stability of the shaft, then the pressing seat 9 is moved downwards, meanwhile, the shaft placing plate 5 drives the shaft to move upwards, then the circular truncated cone-shaped part at the bottom end of the pressing seat 9 penetrates through the inner hole of the bearing, simultaneously drives the bearing and the bearing placing plate 4 to move downwards, after the circular truncated cone-shaped part at the bottom end of the pressing seat 9 penetrates through the inner hole of the bearing, the position of the bearing can also be automatically calibrated, and finally the shaft element penetrates through the inner hole of the bearing, meanwhile, the top end of the shaft is embedded into the slot 21 to avoid, so that the bearing is reliably sleeved on the shaft, and the assembly of the bearing is realized along with the movement.

Specifically, according to the illustration in fig. 1, the present embodiment further includes a first cylinder 8, and the first cylinder 8 is installed on the top surface of the top plate 3; a piston rod of the first air cylinder 8 penetrates through the top plate 3 and then is fixedly connected with the pressing seat 9, and the first air cylinder 8 provides power for moving the pressing seat 9.

Specifically, according to fig. 1 and fig. 3, in this embodiment, a rubber lining 22 is fixed on the inner wall of the clamping groove 11 in an adhering manner, and protruding strips 23 extending in the longitudinal direction are uniformly distributed in the rubber lining 22, so that stability and safety of the shaft clamping member are ensured, and the shaft is prevented from sliding accidentally.

Specifically, according to fig. 1, in this embodiment, the jacking assembly includes a movable plate 17, a turning support arm 18 and a second cylinder 19, a limiting plate 16 is fixed on the top surface of the assembly table 1, the movable plate 17 is located on one side of the limiting plate 16, one end of the turning support arm 18 is hinged to the shaft placing plate 5, the other end of the turning support arm is hinged to the movable plate 17, the second cylinder 19 is mounted on the limiting plate 16, and a piston rod of the second cylinder 19 penetrates through the limiting plate 16 and then is fixedly connected to the movable plate 17; two guide pillars 20 which are symmetrically distributed are further fixed on the movable plate 17, the guide pillars 20 penetrate through the limiting plate 16, the second cylinder 19 is started, the second cylinder 19 is utilized to drive the movable plate 17 to move, the movable plate 17 drives the overturning supporting arm 18 to overturn and move, and the overturning supporting arm 18 drives the shaft piece placing plate 5 to move along the longitudinal direction.

Specifically, as shown in fig. 1, in this embodiment, the positioning device further includes a two-way threaded column 13, two symmetrically distributed mounting seats 12 are fixed on the top surface of the shaft placing plate 5, the two-way threaded column 13 is rotatably erected between the two mounting seats 12, and the two-way threaded column 13 penetrates through the positioning clamp plate 10 and is connected with the positioning clamp plate 10 in a threaded manner; the end part of the two-way threaded column 13 is fixed with a knob 14, the knob 14 is rotated, so that the two-way threaded column 13 rotates, and under the screwing action of the threads, the two positioning clamping plates 10 can be close to or far away from each other for clamping or releasing a shaft piece.

Specifically, according to fig. 1 and fig. 4, the present embodiment further includes a guide assembly 15, and the guide assembly 15 is fixed on the end surface of the positioning clamp plate 10; guide assembly 15 includes flexible post 24, U type frame 25, gyro wheel 26 and expanding spring C27, the top surface of placing board 5 at the axle is fixed with U type guide rail 28, flexible post 24 is fixed at the locating clip board 10 tip, the tip at flexible post 24 is fixed to U type frame 25, gyro wheel 26 is installed at U type frame 25 inboard, expanding spring C27 cup joints on flexible post 24 and is in between locating clip board 10 terminal surface and the U type frame 25, when locating clip board 10 removed, can drive flexible post 24 and remove, under expanding spring C27's elastic force effect, gyro wheel 26 can lean on to paste U type guide rail 28 inner wall and roll, the stability of locating clip board 10 has been guaranteed, in addition, flexible post 24 is that two sections hollow cylinder components cup joint to constitute.

The working principle and the using process of the utility model are as follows: when the assembly workbench is used, a bearing to be assembled is placed on the bearing placing plate 4 corresponding to the central circular hole, a shaft penetrates through the central circular hole of the shaft placing plate 5, the bottom end of the shaft is supported and limited by the supporting plate 51, and the upper part of the shaft is clamped by the two positioning clamping plates 10, so that the stability of the shaft is ensured;

after start No. 8 cylinders and make and press seat 9 to move down, start the jacking subassembly simultaneously and make the axle place 5 drive axle parts and shift up, later press the hole that the round platform form part of seat 9 bottom can run through the bearing, it moves down to drive bearing and bearing place board 4 simultaneously, after the hole that the round platform form part of pressing the seat 9 bottom can run through the bearing, also can calibrate the position of bearing automatically, last axle runs through the hole of bearing, simultaneously the top of axle can imbed in the slot 21, the production is dodged, guarantee that the bearing reliably overlaps on the axle, along with the assembly that removes the realization bearing.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A bearing assembly workbench comprises an assembly bench (1) and is characterized in that: the assembling table is characterized by further comprising a bearing placing plate (4) and a shaft placing plate (5) both provided with a central circular hole, four upright posts (2) distributed in a diagonal manner are fixed on the top surface of the assembling table (1), the upright posts (2) respectively penetrate through the bearing placing plate (4) and the shaft placing plate (5), and a top plate (3) is mounted at the top ends of the upright posts (2); telescopic springs A (6) sleeved on the upright post (2) are distributed between the bearing placing plate (4) and the shaft placing plate (5), and telescopic springs B (7) sleeved on the upright post (2) are distributed between the shaft placing plate (5) and the assembling table (1); the pressing device also comprises a pressing seat (9) with the bottom end in a circular truncated cone shape, and the inner diameter of the bottom end of the pressing seat (9) is smaller than that of the top end; the pressing seat (9) is arranged below the top plate (3) in a vertically reciprocating manner and is opposite to a central round hole on the bearing placing plate (4), and a slot (21) for embedding a shaft piece is formed in the bottom surface of the top plate (3); two positioning clamping plates (10) which can be relatively close to or far away from each other are arranged on the top surface of the shaft placing plate (5), the positioning clamping plates (10) are respectively positioned on two sides of a central circular hole in the shaft placing plate (5), arc-shaped clamping grooves (11) are respectively formed in opposite surfaces of the positioning clamping plates (10), and a supporting plate (51) which is positioned right below the central circular hole is also fixed on the bottom surface of the shaft placing plate (5); and a jacking assembly for driving the shaft element placing plate (5) to move along the longitudinal direction is arranged on the top surface of the assembling table (1).

2. A bearing assembly table according to claim 1, wherein: the device also comprises a first air cylinder (8), and the first air cylinder (8) is arranged on the top surface of the top plate (3); a piston rod of the first air cylinder (8) penetrates through the top plate (3) and then is fixedly connected with the pressing seat (9).

3. A bearing assembly table according to claim 1, wherein: the inner wall of the clamping groove (11) is fixedly bonded with a rubber lining (22), and convex strips (23) extending along the longitudinal direction are uniformly distributed in the rubber lining (22).

4. A bearing assembly table according to claim 1, wherein: the jacking assembly comprises a movable plate (17), a turnover supporting arm (18) and a second cylinder (19), a limiting plate (16) is fixed on the top surface of the assembling table (1), the movable plate (17) is located on one side of the limiting plate (16), one end of the turnover supporting arm (18) is hinged to the shaft placing plate (5), the other end of the turnover supporting arm is hinged to the movable plate (17), the second cylinder (19) is installed on the limiting plate (16), and a piston rod of the second cylinder (19) penetrates through the limiting plate (16) and then is fixedly connected with the movable plate (17); two guide posts (20) which are symmetrically distributed are further fixed on the movable plate (17), and the guide posts (20) penetrate through the limiting plate (16).

5. A bearing assembly table according to claim 1, wherein: the shaft piece placing plate is characterized by further comprising a two-way threaded column (13), two symmetrically distributed mounting seats (12) are fixed on the top surface of the shaft piece placing plate (5), the two-way threaded column (13) is rotatably erected between the two mounting seats (12), and the two-way threaded column (13) penetrates through the positioning clamping plate (10) and is connected with the positioning clamping plate (10) in a threaded screwing mode; a knob (14) is fixed at the end part of the bidirectional threaded column (13).

6. A bearing assembly table according to claim 1, wherein: the positioning clamp plate is characterized by further comprising a guide assembly (15), wherein the guide assembly (15) is fixed on the end face of the positioning clamp plate (10); the guide assembly (15) comprises a telescopic column (24), a U-shaped frame (25), rollers (26) and telescopic springs C (27), wherein a U-shaped guide rail (28) is fixed on the top surface of the shaft placing plate (5), the telescopic column (24) is fixed at the end part of the positioning clamping plate (10), the U-shaped frame (25) is fixed at the end part of the telescopic column (24), the rollers (26) are installed on the inner side of the U-shaped frame (25), and the telescopic springs C (27) are sleeved on the telescopic column (24) and located between the end surface of the positioning clamping plate (10) and the U-shaped frame (25).