CN202860981U

CN202860981U - Lateral compression roller type six-roller mill

Info

Publication number: CN202860981U
Application number: CN 201220585907
Authority: CN
Inventors: 万飞; 惠升谋
Original assignee: Baosteel Engineering and Technology Group Co Ltd
Current assignee: Baosteel Engineering and Technology Group Co Ltd
Priority date: 2012-11-08
Filing date: 2012-11-08
Publication date: 2013-04-10
Anticipated expiration: 2022-11-08

Abstract

The utility model relates to a lateral compression roller type six-roller mill. An upper support roller is arranged on one side of an upper work roller, and the upper work roller is installed in a bearing seat. A lower support roller is arranged on one side of a lower work roller, and the lower work roller is installed in the bearing seat. Two ends of the upper support roller and two ends of the lower support roller are respectively connected with support roller sliding carriages, the support roller sliding carriages are arranged in support roller supporting frames, the support roller supporting frames are located on the inner lateral side of a work roller bearing seat and fixed with a mill frame. Support roller compression hydraulic cylinders are arranged on the support roller supporting frames to press the support rollers on the upper work roller face and the lower work roller face. One support roller is respectively added on one side of the upper work roller and one side of the lower work roller of the mill to change a four-roller mill into the lateral compression roller type six-roller mill. The lateral compression roller type six-roller mill has the advantages that the mill can use work rollers with small diameter and roll hard and thin steel plates; the work rollers are not bent laterally and transversely; vibration grains do not exist on the band steel surface; and the mill can effectively utilize positive and negative bent rollers of the work rollers and decrease rolling force and rolling torque.

Description

Side pressure roll-type six-high cluster mill

Technical field

The utility model relates to metallurgical manufacturing industry, particularly the side pressure roll-type six-high cluster mill of a kind of rolled band steel or steel plate.

Background technology

In the prior art, known have six-high cluster mill rolled band steel, roll layout arranged vertically.These milling trains can carry out roller to working roll, and intermediate calender rolls is carried out roller and roll shifting, and simultaneously working roll and intermediate calender rolls are carried out roller and roll shifting, utilize these technology controls with quality and the plate shape of steel.But these milling trains all can not use major diameter backing roll and the working roll of minor diameter very, can not prevent the flexure unber lateral of working roll.If use very little working roll, then need to be equipped with the milling train of more branched runner, for example mkw mill, twelve high mill or mill.Increasing of roll quantity brought that roller system is complicated, spare parts management is difficult and the shortcoming of inconvenient maintenance.

The problem that prior art need to solve is: upper working rolls and lower working rolls one side at four-high mill respectively arranges a backing roll, increases altogether two backing rolls, makes four-high mill be converted to six-high cluster mill.Therefore, need a kind of modified six-high cluster mill of development, it can use the working roll of small diameter, be used for rolling hard and thin steel plate, working roll does not have the transverse side bend phenomenon, can the vibration line not occur at belt steel surface, can utilize again work roll bending to regulate the template of steel plate.

Summary of the invention

The purpose of this utility model provides a kind of improved side pressure roll-type six-high cluster mill, it has solved in the past, and four-high mill can not use the very working roll of minor diameter, steel plate that can not be rolling hard and thin, working roll produces flexure unber lateral, the vibration line appears at belt steel surface, the problems such as roll-force and roll torque are large, and rolling efficiency is low.

Technical solution of the present utility model is as follows:

A kind of side pressure roll-type six-high cluster mill, it comprises rolling-mill housing, top backing up roll, top working roll, lower support roll and bottom working roll, it comprises that also upper backup roll, lower backing roll, backing roll balladeur train, backing roll support and backing roll compress hydraulic cylinder;

Described upper backup roll is arranged on top working roll one side, and top working roll is installed in the bearing block;

Described lower backing roll is arranged on bottom working roll one side, and bottom working roll is installed in the bearing block;

Described upper backup roll is connected two ends and is connected respectively the backing roll balladeur train with lower backing roll, the backing roll balladeur train is placed in the backing roll support, and the backing roll support is positioned at the working roll bearing block medial surface, and backing roll support and rolling-mill housing are fixed;

Described backing roll compresses hydraulic cylinder and is arranged on the backing roll support, backing roll is pressed on the upper and lower work roll surface.

The axis of described backing roll and working roll is for being horizontally disposed with or parallel on the upper side 10～30mm.

The pressure-acting line direction that described backing roll compresses hydraulic cylinder is 15 ° on the upper side～30 ° of levels.

The utility model mainly respectively increases a backing roll in upper and lower working roll one side of milling train, increases altogether two backing rolls, makes four-high mill be converted to the side compression type six-high cluster mill.After increasing backing roll, the work roll diameter of four-high mill can reduce, can rolling thinner band steel.Because the support of backing roll is arranged, working roll can laterally not produce lateral bending, has avoided surface of steel plate to produce the vibration line yet, steel plate that can be rolling hard and thin, and the advantage that can take full advantage of the work roll bending of four-high mill is regulated the band template.

Side pressure roll-type six-high cluster mill of the present utility model can the very thin steel plate of rolling thickness, and has beneficial effect what follows:

1, can use the very working roll of minor diameter.

2, steel plate that can be rolling hard and thin.

3, working roll does not have the transverse side bend phenomenon.

4, line can not appear vibrating in belt steel surface.

5, can effectively utilize the positive and negative roller of working roll.

6, reduce roll-force and roll torque.

Description of drawings

Fig. 1 is that the roller system of a kind of side pressure roll-type six-high cluster mill of the present utility model arranges schematic diagram.

Fig. 2 is the bottom working roll of Fig. 1 six-high cluster mill and the top view of backing roll.

Fig. 3 is that backing roll support and the hydraulic cylinder of Fig. 1 six-high cluster mill arranges schematic diagram.

Reference numeral:

1 is top backing up roll, and 2 is upper backup roll, and 3 is top working roll, and 4 is rolling-mill housing, and 5 is lower backing roll, and 6 is bottom working roll, and 7 is lower support roll, and 8 is working roll bearing block, and 9 is the backing roll balladeur train, and 10 is the backing roll support, and 11 are backing roll compression hydraulic cylinder.

The specific embodiment

Referring to Fig. 1 to Fig. 3, the utility model provides a kind of side pressure roll-type six-high cluster mill, mainly compresses hydraulic cylinder 11 by rolling-mill housing 4, top backing up roll 1, top working roll 3, lower support roll 7, bottom working roll 6, upper backup roll 2, lower backing roll 5, backing roll balladeur train 9, backing roll support 10 and backing roll and forms.

Upper backup roll 2 is arranged on top working roll 3 one sides, and top working roll 3 is installed in the bearing block 8.Lower backing roll 5 is arranged on bottom working roll 6 one sides, and bottom working roll 6 is installed in the bearing block 8.This milling train increases by two backing rolls altogether, makes four-high mill be converted to the side compression type six-high cluster mill.

The two ends that upper backup roll 2 is connected with lower backing roll connect respectively backing roll balladeur train 9, and backing roll balladeur train 9 is placed in the backing roll support 10, and backing roll support 10 is positioned at working roll bearing block 8 medial surfaces, and backing roll support 10 is fixing with rolling-mill housing 4.

Backing roll compresses hydraulic cylinder 11 and is arranged on the backing roll support 10, in order to backing roll is pressed on the upper and lower work roll surface.

The utility model respectively arranges a backing roll in a side of the upper and lower working roll of milling train, totally two backing rolls.Two backing rolls are pushed down upper and lower working roll both sides with suitable thrust when working roll is worked, do not allow working roll to curving.Do not contact between backing roll and the backing roll, to guarantee the positive and negative roller effect of working roll.

Backing roll axis and working roll axis basic horizontal or parallel on the upper side 10～30mm.Compress the pressure-acting line direction of hydraulic cylinder or be 15 ° on the upper side～30 ° of levels.Backing roll is installed on the backing roll balladeur train, and balladeur train is arranged in the support, and support is positioned at the working roll bearing block medial surface, and backing roll support and rolling-mill housing are fixed.Backing roll compresses hydraulic cylinder and is arranged on the backing roll support, is used for backing roll is pressed on the upper and lower work roll surface.

In sum, the utility model mainly respectively increases a backing roll in upper and lower working roll one side of milling train, increases altogether two backing rolls, makes four-high mill be converted to the side compression type six-high cluster mill.The advantage of side pressure roll-type six-high cluster mill of the present utility model is: can use the very working roll of minor diameter; Steel plate that can be rolling hard and thin; Working roll does not have the transverse side bend phenomenon; Line can not appear vibrating in belt steel surface; Can effectively utilize the positive and negative roller of working roll; Reduce roll-force and roll torque.

Certainly, those skilled in the art in the art will be appreciated that, above-described embodiment only is that the utility model is described, and be not with opposing restriction of the present utility model, as long as in connotation scope of the present utility model, all will drop in the scope of the utility model claim the variation of above-described embodiment, modification etc.

Claims

1. side pressure roll-type six-high cluster mill, it comprises rolling-mill housing, top backing up roll, top working roll, lower support roll and bottom working roll, it is characterized in that: it comprises that also upper backup roll, lower backing roll, backing roll balladeur train, backing roll support and backing roll compress hydraulic cylinder;

2. side pressure roll-type six-high cluster mill according to claim 1 is characterized in that: the axis of described backing roll and working roll is for being horizontally disposed with or parallel on the upper side 10～30mm.

3. side pressure roll-type six-high cluster mill according to claim 1 is characterized in that: the pressure-acting line direction that described backing roll compresses hydraulic cylinder is 15 ° on the upper side～30 ° of levels.