CN213245348U

CN213245348U - Rubber sealing ring for rolling mill bearing

Info

Publication number: CN213245348U
Application number: CN202021670095.5U
Authority: CN
Inventors: 不公告发明人
Original assignee: Jiangyin Linlai Machinery Manufacturing Co ltd
Current assignee: Jiangyin Linlai Machinery Manufacturing Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-05-21
Anticipated expiration: 2030-08-12

Abstract

The utility model belongs to the technical field of bearings, in particular to a rubber sealing ring for a rolling mill bearing, which comprises a bearing outer ring, a bearing inner ring, a steel ball, a retainer, a sealing ring and a polishing brush, the bearing outer ring is sleeved outside the bearing inner ring, the opposite peripheral surfaces of the bearing outer ring and the bearing inner ring are provided with guide rail grooves for accommodating the steel balls, the retainer is sleeved on the steel ball, two sealing rings which are symmetrically arranged are arranged in the guide rail groove on the opposite peripheral surface of the bearing outer ring and the bearing inner ring, the utility model can send the dustproof device to the guide rail groove for clamping through the arrangement of the clamping mechanism and the polishing mechanism, so that the dustproof device can not fall off due to long-time use, the service life and the use effect of the bearing are improved, and the polishing brush can remove rust and polish the surface of the steel ball, so that the service life of the bearing is prolonged, and the using effect is good.

Description

Rubber sealing ring for rolling mill bearing

Technical Field

The utility model belongs to the technical field of the bearing, especially, relate to a rubber seal ring for rolling mill bearing.

Background

The bearing is a part for fixing and reducing the friction coefficient of load in the process of mechanical transmission, namely, a part for reducing the friction coefficient in the process of power transmission and keeping the center position of a shaft fixed when other parts move relative to each other on the shaft, and the bearing is a light-weight part in the modern mechanical equipment and mainly has the function of supporting a mechanical rotating body to reduce the friction coefficient of mechanical load in the process of transmission.

But the sealing ring on the current bearing is in the draw-in groove of block on the bearing more, does not have the device of fixed sealing ring on the bearing, and in time, sealed can drop, and dust, debris will fall into and influence the normal operating of bearing in the bearing inner race, and the bearing is in long-time use, can produce the rust stain, lacks certain rust cleaning mechanism, in time, will influence the normal operating of bearing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art, and provides a rubber sealing ring for a rolling mill bearing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rubber sealing ring for a rolling mill bearing comprises a bearing outer ring, a bearing inner ring, a steel ball, a retainer, a sealing ring and a polishing brush, wherein the bearing outer ring is sleeved outside the bearing inner ring, a guide rail groove for accommodating the steel ball is formed in the opposite circumferential surface of the bearing outer ring and the bearing inner ring, the retainer is sleeved on the steel ball, two sealing rings which are symmetrically arranged are arranged in the guide rail groove on the opposite circumferential surface of the bearing outer ring and the bearing inner ring, a plurality of grooves corresponding to the sealing rings are arranged on the opposite circumferential surface of the bearing outer ring and the bearing inner ring in a surrounding manner, sliding blocks are connected in the grooves in a sliding manner, an arc-shaped clamping block is fixedly connected to one side of each sliding block close to the corresponding sealing ring, an annular sliding groove corresponding to the arc-shaped clamping block is arranged on each sealing ring, and one side, away from the arc, the utility model discloses a steel ball grinding device, including bearing inner race, bearing outer race, bearing inner race, guide rail inslot on the opposition global of bearing inner race is equipped with a plurality of device grooves, it has the sliding block to slide in the device groove, one side fixedly connected with connecting rod that the sliding block is close to the steel ball, the one end and the brush fixed connection of polishing that the sliding block was kept away from to the connecting rod, the brush of polishing contacts with the edge of steel ball, the one side that the connecting rod was kept away from to the sliding block passes through second.

Preferably, two annular grooves which are symmetrically arranged are arranged in a surrounding mode in guide rail grooves on the circumferential surfaces, opposite to each other, of the bearing outer ring and the bearing inner ring, balls are connected in the annular grooves in a rotating mode, and the edges of the balls are in contact with the steel balls.

Preferably, the outer circumferential surface of the bearing outer ring is provided with a positioning groove.

Preferably, the bearing outer ring inner surface, the bearing inner ring outer surface and the retainer are coated with grease layers.

Preferably, the number of the steel balls is multiple, and the multiple steel balls are uniformly arranged between the bearing outer ring and the bearing inner ring.

Has the advantages that:

1. the utility model discloses in, when taking place relative rotation through bearing inner race and bearing inner race, the steel ball rolls between bearing inner race and bearing inner race, is equipped with the constant head tank that extends along circumference on the surface of bearing inner race simultaneously, has eliminated the phenomenon that the bearing easily skidded, has played the fixed action, has scribbled the grease layer on bearing inner race internal surface, bearing inner race surface, the holder simultaneously for play lubricated effect, reduce the coefficient of friction among the power transmission process.

2. The utility model discloses in, be equipped with the elasticity latch mechanism that corresponds with the sealing ring on the opposition global through bearing inner race and bearing inner race, extrude the arc fixture block at the in-process of installation through the sealing ring, receive extruded in-process when the arc fixture block and drive the slider and slide in the recess, produce the compression to first spring at gliding in-process through the slider to drive the arc fixture block and contract in to the recess, make on the sealing ring card goes into the arc fixture block.

3. The utility model discloses in, drive the brush of polishing to the surface of steel ball through the steel ball in the pivoted in-process, can prevent to rust and evenly polish to the grease on steel ball surface, make its more smooth, in-process through the brush of polishing using drives the sliding block and slides in the device inslot, play certain elastic support effect to the sliding block through the second spring, make the brush of polishing can with the inseparable laminating of steel ball, can reduce the frictional force between steel ball and the guide rail groove through setting up of steel ball simultaneously, the life of bearing is improved, good use effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a rubber seal ring for a rolling mill bearing;

FIG. 2 is an enlarged view of the structure at B in FIG. 1;

fig. 3 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1-bearing outer ring, 2-bearing inner ring, 3-steel ball, 4-retainer, 5-sealing ring, 6-polishing brush, 7-sliding block, 8-arc-shaped clamping block, 9-first spring, 10-sliding block, 11-connecting rod, 12-second spring, 13-ball and 14-positioning groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a rubber sealing ring for a rolling mill bearing comprises a bearing outer ring 1, a bearing inner ring 2, a steel ball 3, a retainer 4, a sealing ring 5 and a polishing brush 6, wherein the bearing outer ring 1 is sleeved outside the bearing inner ring 2, a guide rail groove for accommodating the steel ball 3 is arranged on the opposite peripheral surface of the bearing outer ring 1 and the bearing inner ring 2, the retainer 4 is sleeved on the steel ball 3, two sealing rings 5 which are symmetrically arranged are arranged in the guide rail groove on the opposite peripheral surface of the bearing outer ring 1 and the bearing inner ring 2, a plurality of grooves corresponding to the sealing rings 5 are arranged on the opposite peripheral surface of the bearing outer ring 1 and the bearing inner ring 2 in a surrounding manner, a sliding block 7 is connected in a sliding manner in each groove, an arc-shaped clamping block 8 is fixedly connected to one side of the sliding block 7 close to the sealing ring 5, an, one side that arc fixture block 8 was kept away from to slider 7 is through the inner wall fixed connection of first spring 9 with the recess, bearing inner race 1 is equipped with a plurality of device grooves with the guide rail inslot on the global with bearing inner race 2's opposition, the device inslot slides there is slider 10, one side fixedly connected with connecting rod 11 that slider 10 is close to steel ball 2, the one end and the 6 fixed connection of brush polish of slider 10 are kept away from to connecting rod 11, brush polish 6 contacts with the edge of steel ball 3, one side that connecting rod 11 was kept away from to slider 10 passes through second spring 12 fixed connection with the inner wall in device groove.

In this embodiment, two symmetrically arranged annular grooves are annularly arranged in the guide rail grooves on the opposite circumferential surfaces of the bearing outer ring 1 and the bearing inner ring 2, the balls 13 are rotatably connected in the annular grooves, and the edges of the balls 13 are in contact with the steel balls 3.

In this embodiment, the outer circumferential surface of the bearing outer ring 1 is provided with a positioning groove 14.

In this embodiment, the inner surface of the bearing outer ring 1, the outer surface of the bearing inner ring 2, and the retainer 4 are coated with grease layers.

In this embodiment, the number of the steel balls 3 is plural, and the plural steel balls 3 are uniformly arranged between the bearing outer ring 1 and the bearing inner ring 2.

The working principle is as follows: when the bearing outer ring 1 and the bearing inner ring 2 rotate relatively, the steel ball 3 rolls between the bearing outer ring 1 and the bearing inner ring 2, meanwhile, the positioning groove 14 extending along the circumferential direction is arranged on the outer surface of the bearing outer ring 1, the phenomenon that the bearing is easy to slip is eliminated, the fixing effect is achieved, meanwhile, the grease layer is coated on the inner surface of the bearing outer ring 1, the outer surface of the bearing inner ring 2 and the retainer 4 and used for achieving the lubricating effect, the friction coefficient in the power transmission process is reduced, meanwhile, the elastic clamping mechanism corresponding to the sealing ring 5 is arranged on the opposite peripheral surfaces of the bearing outer ring 1 and the bearing inner ring 2, the arc-shaped clamping block 8 is extruded in the installation process through the sealing ring 5, the sliding block 7 is driven to slide in the groove in the extrusion process of the arc-shaped clamping block 8, the first spring 9 is compressed in the sliding process through the sliding block 7, make 5 card of sealing ring go into on arc fixture block 8, steel ball 3 drives brush 6 and polishes steel ball 3 surface in the pivoted in-process simultaneously, can prevent to rust and evenly paint the grease on steel ball 3 surface, make its more smooth, drive sliding block 7 and slide at the device inslot through brush 6 in the in-process of using, play certain elastic support effect to sliding block 7 through second spring 9, make brush 6 can with the inseparable laminating of steel ball 3, the frictional force between steel ball 3 and the guide rail groove can be reduced through setting up of steel ball 3 simultaneously, the life of bearing is improved, excellent in use effect.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A rubber sealing ring for a rolling mill bearing comprises a bearing outer ring (1), a bearing inner ring (2), a steel ball (3), a retainer (4), sealing rings (5) and a polishing brush (6), wherein the bearing outer ring (1) is sleeved outside the bearing inner ring (2), opposite peripheral surfaces of the bearing outer ring (1) and the bearing inner ring (2) are provided with guide rail grooves for accommodating the steel ball (3), the retainer (4) is sleeved on the steel ball (3), the opposite peripheral surfaces of the bearing outer ring (1) and the bearing inner ring (2) are provided with two symmetrically arranged sealing rings (5) in the guide rail grooves, a plurality of grooves corresponding to the sealing rings (5) are arranged on the opposite peripheral surfaces of the bearing outer ring (1) and the bearing inner ring (2) in a surrounding manner, a plurality of sliding blocks (7) are all connected in the grooves in a sliding manner, and arc-shaped clamping blocks (8) are fixedly connected to one side, close to the sealing, the sealing ring (5) is provided with an annular sliding groove corresponding to the arc-shaped clamping block (8), the arc-shaped clamping block (8) is clamped in the annular sliding chute, one side of the sliding block (7) far away from the arc-shaped clamping block (8) is fixedly connected with the inner wall of the groove through a first spring (9), a plurality of device grooves are arranged in the guide rail grooves on the opposite peripheral surfaces of the bearing outer ring (1) and the bearing inner ring (2), a sliding block (10) is arranged in the device groove in a sliding manner, a connecting rod (11) is fixedly connected to one side of the sliding block (10) close to the steel ball (3), one end of the connecting rod (11) far away from the sliding block (10) is fixedly connected with the polishing brush (6), the edge of the polishing brush (6) is in contact with the edge of the steel ball (3), and one side, away from the connecting rod (11), of the sliding block (10) is fixedly connected with the inner wall of the device groove through a second spring (12).

2. A rubber seal ring for a rolling mill bearing according to claim 1, characterized in that: two annular grooves which are symmetrically arranged are arranged in a guide rail groove on the circumferential surface opposite to the bearing outer ring (1) and the bearing inner ring (2) in a surrounding mode, balls (13) are connected in the annular grooves in a rotating mode, and the edges of the balls (13) are in contact with the steel balls (3).

3. A rubber seal ring for a rolling mill bearing according to claim 1, characterized in that: and the outer circumferential surface of the bearing outer ring (1) is provided with a positioning groove (14).

4. A rubber seal ring for a rolling mill bearing according to claim 1, characterized in that: and the inner surface of the bearing outer ring (1), the outer surface of the bearing inner ring (2) and the retainer (4) are coated with grease layers.

5. A rubber seal ring for a rolling mill bearing according to claim 1, characterized in that: the number of the steel balls (3) is multiple, and the steel balls (3) are uniformly arranged between the bearing outer ring (1) and the bearing inner ring (2).