CN216803296U

CN216803296U - Bearing disassembling tool

Info

Publication number: CN216803296U
Application number: CN202220286878.6U
Authority: CN
Inventors: 周文辉; 宋亚滨; 翟虎; 陆继波; 陈桥玉; 潘涛
Original assignee: Gansu Xujing New Material Co ltd; Beijing Yuanda Xinda Technology Co Ltd
Current assignee: Gansu Xujing New Material Co ltd; Beijing Yuanda Xinda Technology Co Ltd
Priority date: 2022-02-09
Filing date: 2022-02-09
Publication date: 2022-06-24
Anticipated expiration: 2032-02-09

Abstract

The utility model relates to the field of disassembling tools and discloses a bearing disassembling tool which comprises at least two pull rods, ejector rods, a connecting seat and a driving piece, wherein one end of each ejector rod is connected with the driving piece, the other end of each ejector rod penetrates through the connecting seat and can be driven to move in an axially telescopic manner along the connecting seat, the connecting seat is connected with the driving piece, the at least two pull rods are arranged on one side, different from the side connected with the driving piece, of the connecting seat in the moving direction of the ejector rods and are uniformly distributed around the axial direction of the ejector rods, and each pull rod is provided with an external thread used for connecting a nut on an outer ring of a bearing. Through above-mentioned technical scheme, set up nut on two at least pull rods and the bearing inner race and fixed linking to each other, set up the ejector pin that passes the connecting seat simultaneously and stretch out through driving piece drive ejector pin in order to be used for butt bearing inner race or the lead screw that links to each other with the bearing inner race to increase the distance between connecting seat and the bearing inner race, two at least pull rods can be pulled out the bearing inner race along with the increase of above-mentioned distance this moment, reach the purpose that the bearing was dismantled.

Description

Bearing disassembling tool

Technical Field

The utility model relates to the field of disassembling tools, in particular to a bearing disassembling tool.

Background

The sapphire slicing machine is a device for slicing a sapphire silicon ingot to manufacture an LED sapphire silicon substrate. The sapphire silicon ingot cutting machine has the advantages that the diamond wire is driven to move at a high speed through the two grooved wheels, the effect of cutting a sapphire silicon ingot is achieved through friction of the diamond wire, the two grooved wheels run under high power, regular maintenance and replacement of the two grooved wheels are needed, the two grooved wheels are installed on the machine body through the screw rod and bearings at two ends of the screw rod, and therefore when the two grooved wheels are taken out, the bearings on the machine body are firstly disassembled, namely the outer rings of the bearings need to be pulled out. However, due to the bearing mounting structure, a large pulling force is required when the bearing is dismounted, and the pulling force needs to be balanced, so that the manual pulling manner in the prior art is difficult, and particularly when the bearing is blocked or deformed with the machine body, the bearing is difficult to pull out.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that a bearing used for mounting a screw rod and a grooved pulley on a sapphire slicing machine in the prior art is difficult to disassemble in a manual pulling mode, and provides a bearing disassembling tool.

In order to achieve the purpose, the utility model provides a bearing dismounting tool which comprises at least two pull rods, ejector rods, a connecting seat and a driving piece, wherein one end of each ejector rod is connected with the driving piece, the other end of each ejector rod penetrates through the connecting seat and can move in a telescopic mode along the axial direction of the ejector rod under the driving of the driving piece, the connecting seat is connected with the driving piece, the at least two pull rods are arranged on one side, different from the side where the connecting seat is connected with the driving piece, of the connecting seat along the moving direction of the ejector rods, the at least two pull rods are uniformly distributed around the axial direction of the ejector rods, and one end, different from the connecting seat, of each pull rod is provided with an external thread for connecting a nut on a bearing outer ring.

Preferably, the pull rod is parallel to the ejector rod.

Preferably, the pull rod is a threaded rod arranged on the connecting seat, one end of the pull rod is rotatably connected with the connecting seat, and the other end of the pull rod is used for being connected with a nut on the outer ring of the bearing.

Preferably, the connecting seat is a plate perpendicular to the ejector rod, a through hole for the ejector rod to pass through is formed in the middle of the connecting seat, and the at least two pull rods are arranged at the peripheral edge of the connecting seat.

Preferably, the connecting seat is a strip-shaped plate, and the two ends of the connecting seat are respectively provided with the pull rod.

Preferably, a cap head is arranged at one end of the ejector rod, which is different from the end connected with the driving part, and the cap head is used for connecting a screw cap of a screw rod connected with the inner ring of the bearing.

Preferably, the bearing disassembling tool further comprises a supporting piece, the supporting piece is arranged along the moving direction of the ejector rod, and the connecting seat is fixedly connected with the driving piece.

Preferably, the supporting piece is a sleeve sleeved outside the ejector rod.

Preferably, the driving member is a hydraulic mechanism for driving the ram.

Preferably, the driving piece is a body of the jack, and the ejector rod is a telescopic rod of the jack.

Through the technical scheme, it is fixed continuous with the nut on the bearing inner race to set up two at least pull rods, and two at least pull rods pass through the connecting seat and link to each other with the driving piece, set up the ejector pin that passes the connecting seat simultaneously and stretch out with the lead screw that is used for butt bearing inner race or links to each other with the bearing inner race, with the distance between increase connecting seat and the bearing inner race, two at least pull rods can be pulled out the bearing inner race along with the increase of above-mentioned distance this moment, reach the purpose that the bearing was dismantled, compare in the manual work in prior art and draw the mode easy operation of dragging, and because the power of dragging is provided by the driving piece, consequently, can not produce the condition that is difficult to pull out the bearing inner race among the prior art.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a bearing dismounting tool in the utility model.

Description of the reference numerals

1. A pull rod; 2. a top rod; 3. a connecting seat; 4. a drive member; 5. a cap head; 6. and a support member.

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

The utility model provides a bearing dismounting tool which comprises at least two pull rods 1, ejector rods 2, connecting seats 3 and a driving piece 4, wherein one end of each ejector rod 2 is connected with the driving piece 4, the other end of each ejector rod 2 penetrates through the connecting seat 3 and can move in a telescopic mode along the axial direction of the ejector rod 2 under the driving of the driving piece 4, the connecting seats 3 are connected with the driving piece 4, the at least two pull rods 1 are arranged on one side, different from the side where the driving piece 4 is connected, of the connecting seat 3 along the moving direction of the ejector rods 2, the at least two pull rods 1 are evenly distributed in a mode of surrounding the axial direction of the ejector rods 2, and one end, different from the connecting seat 3, of each pull rod 1 is provided with an external thread for connecting a nut on an outer ring of a bearing.

Through the technical scheme, it is fixed continuous with the nut on the bearing inner race to set up two at least pull rods 1, and two at least pull rods 1 link to each other with driving piece 4 through connecting seat 3, set up the ejector pin 2 that passes connecting seat 3 simultaneously and in order to be used for butt bearing inner race or the lead screw that links to each other with the bearing inner race, stretch out through driving piece 4 drive ejector pin 2, distance between with increase connecting seat 3 and the bearing inner race, two at least pull rods 1 can be pulled out the bearing inner race along with the increase of above-mentioned distance this moment, reach the purpose that the bearing was dismantled, compare in prior art the manual work draw the mode easy operation who draws, and because the power of drawing is provided by the driving piece, consequently, can not produce the condition that is difficult to pull out the bearing inner race among the prior art.

The arrangement form of the pull rod 1 is not limited, and preferably, in the embodiment shown in fig. 1, the pull rod 1 is parallel to the ejector rod 2, so that the pulling force of the pull rod 1 completely acts on the bearing outer ring, and the phenomenon that the pull rod 1 is inclined to deform or damage the bearing outer ring is avoided. Of course, in other embodiments, the plurality of tie rods 1 may be arranged to diverge in the direction in which the top rod 2 extends.

The specific structure of the pull rod 1 is not limited, preferably, as shown in an embodiment shown in fig. 1, the pull rod 1 is a threaded rod arranged on the connecting seat 3, one end of the threaded rod is rotatably connected with the connecting seat 3, and the other end of the threaded rod is used for being connected with a nut on an outer ring of a bearing, when the pull rod 1 is required to be connected with the nut, the connecting seat 3 is not moved, and the pull rod 1 can be connected with the nut only by rotating the pull rod 1. Of course, in other embodiments, the pull rod 1 may also be a polished rod, only one end of the polished rod for connecting a nut is provided with a section of external thread, the outer peripheral portion of the polished rod is provided with an annular groove, the connecting seat 3 is provided with a unthreaded hole rotationally connected with the pull rod 1, and the inner peripheral wall of the unthreaded hole is embedded in the annular groove, so as to prevent the pull rod 1 and the connecting seat 3 from generating displacement along the axial direction of the ejector rod 2 in the dismounting process.

The specific structure of the connecting seat 3 is not limited in the present invention, and preferably, in the embodiment shown in fig. 1, the connecting seat 3 is a plate perpendicular to the push rod 2, a through hole for the push rod 2 to pass through is formed in a middle position of the connecting seat, and at least two pull rods 1 are arranged at a circumferential edge position of the connecting seat 3. Of course, in other embodiments, the connecting seat 3 may also be a bracket structure perpendicular to the top bar 2; the pull rod can also be a sleeve structure sleeved outside the ejector rod 2, and the pull rod 1 is obliquely arranged to be connected with the connecting seat 3 of the sleeve structure.

The specific number of the pull rods 1 is not limited in the present invention, and preferably, as shown in the embodiment shown in fig. 1, the connecting seat 3 is a strip-shaped plate, and the pull rods 1 are respectively disposed at two ends of the connecting seat. Of course, in other embodiments, the connecting seat 3 may also be a triangular plate, and three tips thereof are respectively provided with the pull rod 1; or the connecting seat 3 is a rectangular plate, and four tips or four sideline positions of the connecting seat are respectively provided with a pull rod 1; of course, the number of the pull rods 1 may be four or more.

In order to facilitate the abutting of the ejector rod 2 against the screw rod connected with the bearing inner ring, the bearing is prevented from slipping in the process of disassembling the bearing, and further, the tool or the bearing is damaged, further, in the embodiment shown in fig. 1, a cap head 5 is arranged at one end of the ejector rod 2 different from the end connected with the driving piece 4, and the cap head 5 is used for connecting a nut of the screw rod connected with the bearing inner ring. Of course, in other embodiments, the cap head 5 may not be provided.

Further, in order to facilitate the connection between the connecting seat 3 and the driving member 4, in the embodiment shown in fig. 1, the bearing disassembling tool further includes a supporting member 6, the supporting member 6 is disposed along the moving direction of the push rod 2 and fixedly connects the connecting seat 3 and the driving member 4, and a space formed between the connecting seat 3 and the driving member 4 by the supporting member 6 is also used for accommodating a portion of the push rod 2 located outside the driving member 4 when the push rod 2 retracts to the limit position. Of course, in other embodiments, the support member 6 may not be provided, and the connecting seat 3 is directly connected to the driving member 4.

The structure of the supporting member 6 is not limited in the present invention, and preferably, as in the embodiment shown in fig. 1, the supporting member 6 is a sleeve which is sleeved outside the carrier rod 2. Of course, in other embodiments, the supporting member 6 may be a plurality of supporting rods arranged along the length direction of the top bar 2.

The specific structure of the driving member 4 is not limited in the present invention, and preferably, the driving member 4 is a hydraulic mechanism for driving the jack 2, and in the embodiment shown in fig. 1, the driving member 4 is a body of a jack, and the jack 2 is a telescopic rod of the jack. Of course, in other embodiments, the driving member 4 may be a pneumatic telescopic mechanism.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the utility model, numerous simple modifications can be made to the technical solution of the utility model, including combinations of the specific features in any suitable way, and the utility model will not be further described in relation to the various possible combinations in order to avoid unnecessary repetition. Such simple modifications and combinations should also be considered as disclosed in the present invention, and all such modifications and combinations are intended to be included within the scope of the present invention.

Claims

1. A bearing disassembly tool is characterized by comprising at least two pull rods (1), a push rod (2), a connecting seat (3) and a driving piece (4), one end of the ejector rod (2) is connected with the driving piece (4), the other end of the ejector rod (2) penetrates through the connecting seat (3), and can be driven by the driving piece (4) to move along the axial direction of the mandril (2) in a telescopic way, the connecting seat (3) is connected with the driving part (4), at least two pull rods (1) are arranged on one side of the connecting seat (3) different from the side connected with the driving part (4) along the moving direction of the ejector rod (2), and at least two pull rods (1) are uniformly distributed around the axial direction of the ejector rod (2), and an external thread is arranged at one end of each pull rod (1) different from the end connected with the connecting seat (3) so as to be connected with a nut on the outer ring of the bearing.

2. The bearing disassembling tool according to claim 1, characterized in that the pull rod (1) is parallel to the top rod (2).

3. The bearing disassembling tool according to claim 2, characterized in that the pull rod (1) is a threaded rod arranged on the connecting seat (3), one end of the pull rod is rotatably connected with the connecting seat (3), and the other end of the pull rod is used for being connected with a nut on an outer ring of a bearing.

4. The bearing disassembling tool according to claim 1, characterized in that the connecting seat (3) is a plate perpendicular to the ejector rod (2), a through hole for the ejector rod (2) to pass through is formed in a middle position of the connecting seat, and at least two pull rods (1) are arranged at peripheral edge positions of the connecting seat (3).

5. The bearing disassembling tool according to claim 4, characterized in that the connecting seat (3) is a strip-shaped plate, and the two ends of the connecting seat are respectively provided with the pull rod (1).

6. The bearing disassembling tool according to claim 1, characterized in that one end of the ejector rod (2) different from the end connected with the driving part (4) is provided with a cap head (5), and the cap head (5) is used for connecting a nut of a screw rod connected with an inner ring of a bearing.

7. The bearing disassembling tool according to any one of claims 1-6, characterized in that the bearing disassembling tool further comprises a support member (6), the support member (6) is arranged along the moving direction of the ejector rod (2) and fixedly connects the connecting seat (3) and the driving member (4).

8. The bearing disassembling tool according to claim 7, characterized in that the supporting piece (6) is a sleeve sleeved outside the ejector rod (2).

9. The bearing disassembling tool according to claim 1, characterized in that the driving piece (4) is a hydraulic mechanism for driving the push rod (2).

10. The bearing disassembling tool according to claim 9, characterized in that the driving member (4) is a body of a jack, and the top rod (2) is a telescopic rod of the jack.