CN213968319U

CN213968319U - Roll seat type roll gap adjusting structure of finish rolling vertical rolling mill

Info

Publication number: CN213968319U
Application number: CN202022973265.3U
Authority: CN
Inventors: 范玉林; 付环宇; 徐玲
Original assignee: China First Heavy Industries Co Ltd; CFHI Dalian Engineering and Technology Co Ltd
Current assignee: China First Heavy Industries Co Ltd; CFHI Dalian Engineering and Technology Co Ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-08-17
Anticipated expiration: 2030-12-11

Abstract

The utility model provides a finish rolling vertical roller mill roll seat type roll gap adjusting structure, which comprises a roll seat, wherein the roll seat is of a hollow structure, the top and the bottom of the roll seat are provided with a through hole I and a through hole II, a plurality of rollers are arranged at two sides of the through hole I, the center of the side wall at one side is fixed with an aligning mechanism, and the aligning mechanism is in contact connection with the output end of a side pressure cylinder; the lower end of the roller sequentially penetrates through the through hole I and the through hole II, and the roller is provided with a roller bearing seat I and a roller bearing seat II. The utility model discloses set up the roller seat, no longer set up balladeur train and hydraulic balance locking mechanism, simple structure is reliable, and weight and shared space all reduce. The roller bearing is installed in the roller seat through the through hole I and the through hole II in a matched mode, can be conveniently drawn out of the roller seat at any roll gap position, can achieve axial movement of a roller within a certain range, and is beneficial to prolonging the service life of the roller.

Description

Roll seat type roll gap adjusting structure of finish rolling vertical rolling mill

Technical Field

The utility model relates to a hot rolling equipment technical field, concretely relates to finish rolling among the slab band hot rolling production line founds rod roll gap adjustment structure, especially relates to a finish rolling edger roll roller seat formula roll gap adjustment structure.

Background

A conventional hot rolling finish rolling vertical rod mill adopts a form that a roll bearing assembly is combined with a roll gap adjusting sliding frame, a side pressure cylinder drives a roll through a driving sliding frame, and the sliding frame drives the roll so as to adjust the position of the roll. In order to adapt to the adjustment of the roll gap, the roll bearing is required to slide in the frame with a roller and a sliding plate. The sliding frame is required to be provided with a hydraulic balance locking mechanism to tightly attach the roller bearing and the sliding frame. The structure is more complicated, and the occupation space and the weight are both bigger. The side pressure cylinder needs a long stroke to push the roller to a rolling center roller changing position for roller changing; and the roll changing process is also complicated, a hydraulic balance locking device is needed to release the locking, and a series of operations such as dismantling an upper guide plate, a lower guide plate, a roller pressing plate and the like of the rolling mill are also needed.

SUMMERY OF THE UTILITY MODEL

According to the technical problem, a roll seat type roll gap adjusting structure of a finish rolling vertical rolling mill is provided.

The utility model discloses a technical means as follows:

a roll seat type roll gap adjusting structure of a finish rolling vertical roll mill comprises a roll seat, wherein the roll seat is of a hollow structure, the top of the roll seat is provided with a through hole I, a plurality of rollers are arranged on two sides of the through hole I, the bottom of the roll seat is provided with a through hole II coaxial with the through hole I, one side wall of the roll seat is provided with a working opening, a centering mechanism is fixed at the center of the side wall opposite to the opening, and the centering mechanism is in contact connection with the output end of a side pressure cylinder;

the lower extreme of roll passes in proper order through-hole I with through-hole II, just the roll is in part in the through-hole I install with I phase-match of through-hole and clearance fit's roll chock I part in the through-hole II install with II phase-match of through-hole and clearance fit's roll chock II, roll chock I is in the top of through-hole I has spacing arch. The limiting bulge plays a role in clamping the roller and preventing the roller from falling off from the roller seat. The limiting protrusion is a shaft shoulder protrusion machined on the roller bearing seat I or a flange type spigot fixed on the roller bearing seat I.

The aligning mechanism is including fixing the piece of adjusting center on the roller seat lateral wall, the piece of adjusting center is kept away from the one end processing of roller seat has the protruding face of arc, install on the output of side pressure jar with the protruding face matched with arc depressed face of arc.

An adjusting base plate is arranged between the limiting protrusion and the roller seat and used for adjusting the axial position of the roller.

The inner diameter of the through hole I is larger than that of the through hole II, so that a roller, a roller bearing I and a roller bearing II can be conveniently inserted into and inserted out from top to bottom.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model discloses set up the roller seat, no longer set up balladeur train and hydraulic balance locking mechanism, simple structure is reliable, and weight and shared space all reduce.

2. The roller bearing is installed in the roller seat through the through hole I and the through hole II in a matched mode, the roller bearing can be conveniently drawn out of the roller seat at any roll gap position, a side pressure cylinder is not needed to push the roller bearing to a rolling center, the upper guide plate, the lower guide plate, a roller pressing plate and other parts of a rolling mill are not needed to be disassembled and assembled, and the roller changing process is greatly simplified. Wherein, the stroke of the side cylinder can also be shortened.

3. The structure can realize the axial movement of the roller within a certain range, and is beneficial to prolonging the service life of the roller.

Based on the above reason the utility model discloses can extensively promote in fields such as finish rolling edger roll gap adjustment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are 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 shows a roll seat type roll gap adjusting structure of a finish rolling stand rolling mill according to an embodiment of the present invention.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

As shown in figure 1, the roll stand type roll gap adjusting structure of the finish rolling vertical roll mill comprises a roll stand 1 which is of a hollow structure, the top of the roll stand 1 is provided with a through hole I, a plurality of rollers 2 are mounted on two sides of the through hole I, the bottom of the roll stand is provided with a through hole II coaxial with the through hole I, one side wall of the roll stand is provided with a working opening, the center of the side wall opposite to the opening is fixedly provided with an aligning mechanism, and the aligning mechanism is in contact connection with the output end of a side pressure cylinder 3;

the lower extreme of roll 4 passes in proper order through-hole I with through-hole II, just roll 4 is in part in the through-hole I install with I phase-match of through-hole and clearance fit's roll chock I5 part in the through-hole II install with II phase-match of through-hole and clearance fit's roll chock II 6, roll chock I5 is in the top of through-hole I is fixed with flange formula tang 7.

The aligning mechanism is including fixing aligning block 8 on the roller seat lateral wall, aligning block 8 keeps away from the one end processing of roller seat 1 has the protruding face of arc, install on the output of side pressure jar 3 with the sunken face of arc protruding face matched with arc.

An adjusting shim plate 9 is arranged between the flange type spigot 7 and the roller seat 1 and used for adjusting the axial position of the roller 4.

The inner diameter D1 of the through hole I is larger than the inner diameter D2 of the through hole II, so that the roller 4, the roller bearing I5 and the roller bearing II 6 can be conveniently inserted or pulled out from top to bottom.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A roll seat type roll gap adjusting structure of a finish rolling vertical roll mill is characterized by comprising a roll seat, wherein the roll seat is of a hollow structure, the top of the roll seat is provided with a through hole I, a plurality of rollers are arranged on two sides of the through hole I, the bottom of the roll seat is provided with a through hole II coaxial with the through hole I, one side wall of the roll seat is provided with a working opening, the center of the side wall opposite to the opening is fixedly provided with an aligning mechanism, and the aligning mechanism is in contact connection with the output end of a side pressure cylinder;

the lower extreme of roll passes in proper order through-hole I with through-hole II, just the roll is in part in the through-hole I install with I phase-match of through-hole and clearance fit's roll chock I part in the through-hole II install with II phase-match of through-hole and clearance fit's roll chock II, roll chock I is in the top of through-hole I has spacing arch.

2. The roll stand type roll gap adjusting structure of a finish rolling vertical rolling mill according to claim 1, wherein the aligning mechanism comprises an aligning block fixed on the side wall of the roll stand, an arc-shaped convex surface is processed at one end of the aligning block far away from the roll stand, and an arc-shaped concave surface matched with the arc-shaped convex surface is installed at the output end of the side pressure cylinder.

3. The roll stand type roll gap adjusting structure of a finishing stand roll mill according to claim 1, wherein an adjusting shim plate is provided between the limiting protrusion and the roll stand.

4. The roll stand type roll gap adjusting structure of a finish rolling stand mill according to claim 1, wherein an inner diameter of the through-hole i is larger than an inner diameter of the through-hole ii.

5. The roll stand type roll gap adjusting structure of a finish rolling vertical roll mill according to claim 1, wherein the limiting protrusion is a shoulder protrusion processed on the roll stand I or a flange type spigot fixed on the roll stand I.