CN220277870U - Wear-resisting mechanism of backing roll - Google Patents

Abstract

The utility model discloses a support roller wear-resistant mechanism which comprises vertical plates arranged on two sides of a support roller, wherein detachable bearing seats are arranged on the vertical plates in a matched manner with the support roller, shaft holes are arranged on the vertical plates in a matched manner with the bearing seats, wear-resistant rings are arranged at two ends of the support roller, the wear-resistant rings are fixed on the support roller through first fixing pieces, and the bearing seats are fixed on the vertical plates through second fixing pieces. According to the utility model, the wear-resistant ring is arranged on the end face of the support roller, and the wear-resistant ring generates rotational friction with the bearing seat, so that the end face of the support roller is prevented from being worn, the wear-resistant ring can be directly detached and replaced after being worn, the operation is convenient and quick, the influence on the working progress is small, and the practicability is strong.

Description

Wear-resisting mechanism of backing roll

Technical Field

The utility model relates to the technical field of cold rolling, in particular to a supporting roller wear-resisting mechanism.

Background

With the development of high speed, large size and high precision of cold and hot rolling mills, the demands for support rolls are continuously increasing. The backup roll is an important component in the rolling mill and is used for supporting the working roll or the middle roll so as to prevent the working roll from bending deformation and affecting the quality of strip steel products. In the rolling process of the rolling mill, the support roller needs to be in contact with cooling water frequently, the end face of the support roller is easy to corrode, the end face of the support roller is in contact with the bearing seat, abrasion can be increased after the end face of the support roller is corroded, and the normal operation of the support roller can be influenced if the abrasion degree is too large. The prior art solves the problems that before the supporting roller is severely worn, the supporting roller is detached, the oxide layer of the supporting roller is polished, and the supporting roller is cleaned up and then is smeared with a polymer material layer for repairing, and then the supporting roller can be used continuously. The disassembly and repair of the backup rolls are troublesome and time-consuming, and if the backup rolls with the same specification are not available in workshops, the rolling operation can be continued only by waiting for the repair completion, so that the working progress is delayed. Therefore, a need exists for a backup roll maintenance system that is easy to operate and that has less impact on work progress.

Disclosure of Invention

The utility model aims to avoid the defects of the prior art and provides a supporting roller wear-resistant mechanism, thereby effectively solving the defects in the prior art.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a backing roll wear-resisting mechanism, includes the riser that sets up in the backing roll both sides, cooperation backing roll is provided with detachable bearing frame on the riser, cooperation bearing frame is provided with the shaft hole on the riser, the both ends of backing roll are provided with wear-resisting circle, and wear-resisting circle is fixed on the backing roll through first mounting, the bearing frame is fixed on the riser through the second mounting.

Further, the first mounting is a plurality of inserted bar that sets up on the wearing ring along circumference, the jack has been seted up to the tip cooperation inserted bar of backing roll.

Further, the second fixing piece is a fastening bolt, and the bearing seat is fixed on the vertical plate through the fastening bolt.

Further, the upside of bearing frame is provided with fixed edge, and fixed edge is fixed on the riser through the second mounting, be provided with curved slide in the bottom of bearing frame on the riser, offered the chute that sets up downwards towards the direction slant of bearing frame on the slide, be fixed with the clamp block through the bolt in the chute, the bolt is parallel with the inclined plane of chute, the bottom surface and the chute cooperation of clamp block, the side and the outside cooperation of bearing frame of clamp block.

Further, both ends of the slideway are supported at the bottom of the fixed edge.

Further, an annular groove is formed in the outer side of the bearing seat, and a convex edge is arranged in the annular groove.

Further, an arc-shaped supporting plate and a driving device for driving the supporting plate to move up and down are arranged at the bottom of the supporting roller on the vertical plate.

The technical scheme of the utility model has the following beneficial effects: according to the utility model, the wear-resistant ring is arranged on the end face of the support roller, and the wear-resistant ring generates rotational friction with the bearing seat, so that the end face of the support roller is prevented from being worn, the wear-resistant ring can be directly detached and replaced after being worn, the operation is convenient and quick, the influence on the working progress is small, and the practicability is strong.

Drawings

FIG. 1 is a schematic cross-sectional view of an embodiment of the present utility model;

fig. 2 is a schematic side view of an embodiment of the present utility model.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-2, the wear-resistant mechanism of the supporting roller in this embodiment includes a vertical plate 2 disposed at two sides of the supporting roller 1, a detachable bearing seat 3 is disposed on the vertical plate 2 in cooperation with the supporting roller 1, a shaft hole 4 is disposed on the vertical plate 2 in cooperation with the bearing seat 3, wear-resistant rings 5 are disposed at two ends of the supporting roller 1, the wear-resistant rings 5 are fixed on the supporting roller 1 through a first fixing member 6, and the bearing seat 3 is fixed on the vertical plate 2 through a second fixing member 7; the wear-resistant rings 5 are arranged at two ends of the support roller 1, the wear-resistant rings 5 are used for generating rotational friction with the bearing seat 3, so that the end face of the support roller 1 is prevented from being worn, the bearing seat 3 can be detached after the wear-resistant rings 5 are worn, the wear-resistant rings 5 are detached again for replacement, the trouble of dismounting the support roller 1 is avoided, the influence on the working progress is small, and the practicability is high; in the embodiment, the bearing seat 3 can be axially disassembled on the vertical plate 2, the supporting roller 1 is firstly hung by a hanging rope, after the bearing seat 3 is disassembled, the wear-resistant ring 5 can be disassembled at the shaft hole 4, the prepared wear-resistant ring 5 is replaced, the rolling operation can be continued after the bearing seat 3 is installed, and the disassembled wear-resistant ring 5 can be recovered and repaired;

preferably, the first fixing piece 6 is a plurality of inserted bars arranged on the wear-resistant ring 5 along the circumferential direction, the end part of the support roller 1 is provided with an inserting hole 8 in cooperation with the inserted bars, and the wear-resistant ring 5 is matched with the inserting hole 8 through the inserted bars to prevent the wear-resistant ring 5 and the support roller 1 from generating relative rotation;

preferably, the second fixing piece 7 is a fastening bolt, and the bearing seat 3 is fixed on the vertical plate 2 through the fastening bolt;

preferably, the upper side of the bearing seat 3 is provided with a fixing edge 9, the fixing edge 9 is fixed on the vertical plate 2 through a second fixing piece 7, an arc-shaped slide way 10 is arranged at the bottom of the bearing seat 3 on the vertical plate 2, a chute 11 which is obliquely downwards arranged towards the direction of the bearing seat 3 is arranged on the slide way 10, a clamping block 12 is fixed in the chute 11 through a bolt, the bolt is parallel to the inclined plane of the chute 11, the bottom surface of the clamping block 12 is matched with the chute 11, and the side surface of the clamping block 12 is matched with the outer side of the bearing seat 3; the bearing seat 3 can move on the slideway 10 along the axial direction of the supporting roller 1, the dismounting of the bearing seat 3 is convenient, the bottom of the bearing seat 3 is not provided with the fixing edge 9, the bearing seat 3 can directly be lapped on the slideway 10 to move, the upper side of the bearing seat 3 is fixed on the vertical plate 2 through the second fixing piece 7, the lower side of the bearing seat 3 can be abutted by the clamping block 12, and the clamping block 12 moves along an inclined plane in the inclined groove 11 along with the tightening of the bolt, so that the bearing seat 3 is gradually jacked;

preferably, the two ends of the slideway 10 are supported at the bottom of the fixed edge 9, so that the positioning of the bearing seat 3 and the stable movement of the bearing seat 3 are facilitated;

preferably, an annular groove 13 is arranged on the outer side of the bearing seat 3, a convex edge 14 is arranged in the annular groove 13, and the convex edge 14 is used for providing pulling force for pulling out the bearing seat 3;

preferably, the bottom of the support roller 1 on the vertical plate 2 is provided with an arc-shaped support plate 15 and a driving device 16 for driving the support plate 15 to move up and down, the driving device 16 is an oil cylinder, and when the wear-resistant ring 5 and the bearing seat 3 are dismounted, the shaft rod can drive the support plate 15 to be supported at the bottom of the support roller 1, so that the stability of the support roller 1 is maintained, and the replacement efficiency is improved.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (7)

1. The utility model provides a backing roll wear-resisting mechanism which characterized in that: including setting up the riser in the backing roll both sides, cooperation backing roll is provided with detachable bearing frame on the riser, cooperation bearing frame is provided with the shaft hole on the riser, the both ends of backing roll are provided with wear-resisting circle, and wear-resisting circle is fixed on the backing roll through first mounting, the bearing frame is fixed on the riser through the second mounting.

2. A backup roll wear mechanism in accordance with claim 1, wherein: the first fixing piece is a plurality of inserted bars arranged on the wear-resistant ring along the circumferential direction, and insertion holes are formed in the end portions of the supporting rollers in a matched mode.

3. A backup roll wear mechanism in accordance with claim 1, wherein: the second fixing piece is a fastening bolt, and the bearing seat is fixed on the vertical plate through the fastening bolt.

4. A backup roll wear mechanism in accordance with claim 3, wherein: the upper side of bearing frame is provided with fixed edge, and fixed edge is fixed on the riser through the second mounting, be provided with curved slide in the bottom of bearing frame on the riser, offered the chute that sets up downwards towards the direction slant of bearing frame on the slide, be fixed with the clamp block through the bolt in the chute, the bolt is parallel with the inclined plane of chute, the bottom surface and the chute cooperation of clamp block, the side and the outside cooperation of bearing frame of clamp block.

5. The backup roll wear mechanism of claim 4, wherein: the two ends of the slideway are supported at the bottom of the fixed edge.

6. A backup roll wear mechanism in accordance with claim 1, wherein: an annular groove is formed in the outer side of the bearing seat, and a convex edge is arranged in the annular groove.

7. A backup roll wear mechanism in accordance with claim 1, wherein: the vertical plate is provided with an arc-shaped supporting plate and a driving device for driving the supporting plate to move up and down at the bottom of the supporting roller.