CN220081936U

CN220081936U - Sealing bearing for steel rolling mill

Info

Publication number: CN220081936U
Application number: CN202321022500.6U
Authority: CN
Inventors: 夏明星
Original assignee: Ma'anshan Yinding Machinery Manufacturing Co ltd
Current assignee: Ma'anshan Yinding Machinery Manufacturing Co ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-11-24
Anticipated expiration: 2033-05-04

Abstract

The utility model provides a sealing bearing for a steel rolling mill, which relates to the technical field of sealing bearings for steel rolling mill and comprises a sealing bearing body, wherein circular grooves are formed in two ends of the sealing bearing body, and a damping mechanism is arranged on the inner wall surface of one circular groove. The vibration reducing mechanism reduces the vibration of the sealed bearing body during the working of the rolling mill, can effectively reduce the friction between the sealed bearing and the working base of the rolling mill, protects the sealed bearing and the support from being damaged prematurely, prolongs the working life of the sealed bearing and the rolling mill, improves the working stability of the rolling mill, can reduce the friction between the roller and the sealed bearing during the working, further protects the sealed bearing and the roller from being damaged prematurely, prolongs the working life of the sealed bearing and the rolling mill, and improves the working stability of the rolling mill.

Description

Sealing bearing for steel rolling mill

Technical Field

The utility model relates to the technical field of sealing bearings of rolling mill seals, in particular to a sealing bearing of a rolling mill seal.

Background

The rolling mill is a mechanical device for realizing the metal rolling process, and the working base of the rolling mill consists of a roller, a roller bearing and the like. Among them, the roll bearings are mostly sealed bearings, which are responsible for supporting the rolls and maintaining the fixed positions of the rolls in the stand, and which are subjected to a great load during operation. During the movement of the rolls, friction can be generated between the outer surface of the sealing bearing and the working base, which can cause premature failure of the sealing bearing and the working base, reduce the service life thereof and seriously affect the stability of the rolling mill operation.

In the prior art, as in the "long-life sealed four-row tapered roller bearing with sealing cover for rolling mill" of Chinese patent No. CN204152955U, there are two single-row outer rings, one double-row outer ring, two double-row inner rings, one inner spacer ring and two outer spacer rings, there are rollers and retainers between the inner ring and the outer ring. The two outer ends in the axial direction are respectively additionally provided with a sealing cover with a sealing ring. The problem that the rolling mill is not tired and damaged due to poor sealing effect of the bearing seat and easy entering of water and impurities into the bearing is solved. Meanwhile, a rolling bearing limit design method which is created by a company is adopted, a bearing structural element value is provided, the rated dynamic load value of the bearing is maximum, and the width dimension of the sealing cover is thinnest under the condition that the process strength requirement is met. Solves the problem of short service life caused by high bearing rotating speed and large bearing impact load. The requirements of long service life, sealing and use cost reduction of customers are met, and the use effect is good through test operation. Belongs to a large-scale bearing. The special bearing is used for supporting rollers and working rollers on rolling mills in the ferrous and nonferrous metallurgy industry.

When the roller extrudes a workpiece to be processed, the roller can be subjected to the reaction force of the workpiece to be processed, the roller can move up and down, friction can be generated between the outer surface of the sealing bearing and the working base, the sealing bearing and the working base can be damaged too early due to the friction, the service life of the sealing bearing and the working base can be reduced, the working stability of a rolling mill can be seriously influenced, and the sealing bearing of the rolling mill is provided for the problems.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, when a roller presses a workpiece to be processed, the roller is subjected to the reaction force of the workpiece to be processed, so that the roller moves up and down, friction can be generated between the outer surface of a sealing bearing and a working base, the sealing bearing and the working base can be damaged too early due to the friction, the service life of the sealing bearing and the working base is shortened, and the working stability of a rolling mill is seriously influenced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a steel rolling mill seal sealing bearing, includes sealed bearing body, the ring groove has all been seted up at sealed bearing body's both ends, one of them the inner wall surface in ring groove is provided with damper, damper includes the fixed slot, the inner wall in fixed slot is provided with a plurality of springs, the one end of a spring is provided with firm ring, the one end fixedly connected with of firm ring a plurality of damping bars, the outer edge of fixed slot with one of them the inner wall joint in ring groove.

Preferably, the mounting hole has been seted up to the one end that is provided with damper of sealed bearing body, the inside of mounting hole is provided with anti-wear mechanism, anti-wear mechanism includes the outer packing ring, the inner wall of outer packing ring is provided with a plurality of No. two springs, and is a plurality of No. two spring's one end is provided with the inner packing ring, the outer edge and the inner wall joint of mounting hole of outer packing ring.

Preferably, the outer edge of the sealed bearing body is fixedly provided with a bearing seat, and one end of the bearing seat is provided with a plurality of threaded holes in a penetrating way.

Preferably, one end of each spring is fixedly connected with the inner wall of the fixing groove, the other end of each spring is fixedly connected with one end of the stabilizing ring, and the springs are uniformly arranged on the inner wall of the fixing groove.

Preferably, one end of the second springs is fixedly connected with the inner wall of the outer gasket, the other ends of the second springs are fixedly connected with the outer edge of the inner gasket, and the second springs are uniformly arranged on the inner wall of the outer gasket.

Preferably, the number of the first springs is the same as the number of the damping rods, the damping rods are arranged in the first springs, and the length of the damping rods is smaller than that of the first springs.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the utility model, by arranging the damping mechanism, vibration of the sealed bearing body during working of the rolling mill is reduced, friction between the sealed bearing and the working base of the rolling mill can be effectively reduced, the sealed bearing and the support are protected from being damaged too early, the working life of the sealed bearing and the rolling mill is prolonged, and the working stability of the rolling mill is improved.

2. According to the utility model, by arranging the anti-wear mechanism, friction between the roller and the sealing bearing during working can be reduced, the sealing bearing and the roller are further protected from being damaged too early, the working life of the sealing bearing and the rolling mill is prolonged, and the working stability of the rolling mill is improved.

Drawings

FIG. 1 is a perspective view of a seal bearing for a steel rolling mill according to the present utility model;

FIG. 2 is a rear elevation view of a sealed bearing of a rolling mill according to the present utility model;

FIG. 3 is a right side view showing the internal structure of a damping mechanism of a sealed bearing of a rolling mill according to the present utility model;

fig. 4 is a front view of a wear protection mechanism for a sealed bearing of a rolling mill according to the present utility model.

Legend description: 1. sealing the bearing body; 11. a mounting hole; 12. circular ring grooves; 2. a bearing seat; 21. a threaded hole; 3. a damping mechanism; 31. a fixing groove; 32. a first spring; 33. a stabilizing ring; 34. a damping rod; 4. an anti-wear mechanism; 41. a second spring; 42. an outer gasket; 43. an inner gasket.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a steel rolling mill sealing seal bearing, including sealed bearing body 1, annular groove 12 has all been seted up at sealed bearing body 1's both ends, the inner wall surface of one of them annular groove 12 is provided with damper 3, damper 3 can reduce the friction between sealed bearing and the rolling mill working base effectively, sealed bearing and support can not prematurely damage has been protected, sealed bearing and rolling mill's life, and the stability of rolling mill work has been improved, damper 3 includes fixed slot 31, the inner wall of fixed slot 31 is provided with a plurality of springs 32, spring 32 offsets the collision force that produces between sealed bearing body 1 and the working base through taking place elastic deformation, one end of spring 32 is provided with solid fixed ring 33, the one end fixedly connected with a plurality of damping bars 34 of solid fixed ring 33, the outer edge of fixed slot 31 and the inner wall joint of one of them annular groove 12.

As shown in fig. 1, fig. 2 and fig. 4, the mounting hole 11 is provided at one end of the sealed bearing body 1 provided with the damping mechanism 3, the anti-wear mechanism 4 is provided in the mounting hole 11, the anti-wear mechanism 4 can reduce friction between the roller and the sealed bearing during operation, further, the sealed bearing and the roller are protected from premature damage, the anti-wear mechanism 4 comprises an outer washer 42, a plurality of second springs 41 are arranged on the inner wall of the outer washer 42, the second springs 41 can generate elastic deformation to counteract collision force generated by the roller, further, the sealed bearing body 1 is protected from premature wear, an inner washer 43 is provided at one end of the second springs 41, and the outer edge of the outer washer 42 is clamped with the inner wall of the mounting hole 11.

As shown in fig. 1 and 2, a bearing seat 2 is fixedly mounted on the outer edge of the sealed bearing body 1, one end of the bearing seat 2 is provided with a plurality of threaded holes 21 in a penetrating manner, and the bearing seat 2 is responsible for fixedly mounting the sealed bearing body 1 at a proper position.

As shown in fig. 2 and 3, one end of the plurality of first springs 32 is fixedly connected with the inner wall of the fixing groove 31, the other end of the plurality of first springs 32 is fixedly connected with one end of the stabilizing ring 33, the first springs 32 elastically deform to counteract the collision force generated between the sealing bearing body 1 and the working base, and the plurality of first springs 32 are uniformly arranged on the inner wall of the fixing groove 31.

As shown in fig. 2 and fig. 4, one end of the plurality of second springs 41 is fixedly connected with the inner wall of the outer washer 42, the other end of the plurality of second springs 41 is fixedly connected with the outer edge of the inner washer 43, the second springs 41 are uniformly arranged on the inner wall of the outer washer 42, and the second springs 41 can elastically deform to counteract collision force generated by the roller, so that the sealed bearing body 1 is further protected from premature wear.

As shown in fig. 2 and 3, the number of the first springs 32 is the same as the number of the damping rods 34, the damping rods 34 are arranged inside the first springs 32, the length of the damping rods 34 is smaller than that of the first springs 32, and if the impact force is too large to compress the length of the first springs 32 to be smaller than that of the damping rods 34, the impact force is further reduced by the damping rods 34, and the abrasion of the sealed bearing body 1 and the working base is reduced.

The application method and the working principle of the device are as follows: firstly, a worker fixedly installs a bearing seat 2 at a proper position of a rolling mill working base through a threaded hole 21 and a screw, then installs a roller in an installation hole 11 of a sealed bearing body 1, and can start the rolling mill after checking and installing without errors; when the rolling mill works, the roller can continuously squeeze an object to be processed and generate a reaction force on the sealed bearing body 1, at the moment, the damping mechanism 3 starts to work to reduce friction between the sealed bearing body 1 and the working base, specifically, when collision friction is generated between the sealed bearing body 1 and the working base, the fixed groove 31 can be squeezed and a plurality of first springs 32 in the fixed groove are squeezed, the first springs 32 elastically deform to counteract collision force generated between the sealed bearing body 1 and the working base, and if the collision force is too large, the length of the first springs 32 is compressed to be smaller than the length of the damping rod 34, the damping rod 34 can further reduce the collision force and reduce abrasion of the sealed bearing body 1 and the working base; simultaneously, the anti-abrasion mechanism 4 starts to work, when the roller and the mounting hole 11 are collided and abraded, the roller can extrude the inner gasket 43, the inner gasket 43 extrudes a plurality of second springs 41 connected with the inner gasket 43, the second springs 41 elastically deform to counteract collision force generated by the roller, and further the sealed bearing body 1 is protected from premature abrasion.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. A sealed bearing for steel rolling mill comprising a sealed bearing body (1), characterized in that: circular grooves (12) are formed in two ends of the sealing bearing body (1), one of the circular grooves (12) is provided with a damping mechanism (3) on the surface of the inner wall, the damping mechanism (3) comprises a fixing groove (31), a plurality of first springs (32) are arranged on the inner wall of the fixing groove (31), a stabilizing ring (33) is arranged at one end of the first springs (32), a plurality of damping rods (34) are fixedly connected to one end of the stabilizing ring (33), and the outer edge of the fixing groove (31) is connected with one of the inner walls of the circular grooves (12) in a clamping mode.

2. A steel rolling mill seal bearing according to claim 1, characterized in that: the anti-wear mechanism is characterized in that a mounting hole (11) is formed in one end, provided with a damping mechanism (3), of the sealing bearing body (1), an anti-wear mechanism (4) is arranged in the mounting hole (11), the anti-wear mechanism (4) comprises an outer gasket (42), a plurality of springs (41) are arranged on the inner wall of the outer gasket (42), an inner gasket (43) is arranged at one end of each spring (41), and the outer edge of the outer gasket (42) is connected with the inner wall of the mounting hole (11) in a clamping mode.

3. A steel rolling mill seal bearing according to claim 1, characterized in that: the bearing seat (2) is fixedly mounted on the outer edge of the sealed bearing body (1), and a plurality of threaded holes (21) are formed in one end of the bearing seat (2) in a penetrating mode.

4. A steel rolling mill seal bearing according to claim 1, characterized in that: one end of each spring (32) is fixedly connected with the inner wall of the fixing groove (31), the other end of each spring (32) is fixedly connected with one end of the stabilizing ring (33), and the springs (32) are uniformly arranged on the inner wall of the fixing groove (31).

5. A steel rolling mill seal bearing according to claim 2, characterized in that: one end of each second spring (41) is fixedly connected with the inner wall of the outer gasket (42), the other end of each second spring (41) is fixedly connected with the outer edge of the inner gasket (43), and the second springs (41) are uniformly arranged on the inner wall of the outer gasket (42).

6. A steel rolling mill seal bearing according to claim 1, characterized in that: the number of the first springs (32) is the same as the number of the damping rods (34), the damping rods (34) are arranged inside the first springs (32), and the length of the damping rods (34) is smaller than that of the first springs (32).