CN103212579B - A kind of six-high cluster mill - Google Patents
A kind of six-high cluster mill Download PDFInfo
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- CN103212579B CN103212579B CN201310137673.7A CN201310137673A CN103212579B CN 103212579 B CN103212579 B CN 103212579B CN 201310137673 A CN201310137673 A CN 201310137673A CN 103212579 B CN103212579 B CN 103212579B
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- roll
- working roll
- calender rolls
- intermediate calender
- cluster mill
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Abstract
The invention provides a kind of six-high cluster mill, comprise: top backing up roll, upper intermediate calender rolls, top working roll, bottom working roll, lower intermediate calender rolls, lower support roll and hydraulic pressure lateral thruster, described top backing up roll, upper intermediate calender rolls, top working roll, bottom working roll, lower intermediate calender rolls and lower support roll are arranged in order from top to bottom and are supported on respective bearing block respectively by swivel bearing, described top backing up roll and lower support roll are arranged symmetrically with relative to the roll line of described six-high cluster mill, described upper intermediate calender rolls and lower intermediate calender rolls are arranged symmetrically with relative to described roll line, described top working roll and bottom working roll are arranged symmetrically with relative to described roll line, on described, lower intermediate calender rolls and upper, the rotation centerline of bottom working roll is no more than 1 millimeter in interval in the horizontal direction, described hydraulic pressure lateral thruster is from bearing block described in the bearing block lateral support of described top working roll and bottom working roll.Six-high cluster mill provided by the invention can adopt little working roll roller footpath when the material of rolling high drag, product yield, quality are high, and structure is simple, obviously reduces production cost.
Description
Technical field
The present invention relates to a kind of six-high cluster mill, be specifically related to the six-high cluster mill of the cold belt steel rolling of high resistance materials.
Background technology
Six-high cluster mill is a kind of board rolling mainstream model of technology maturation, has the advantage that output is high, end product quality is high, consumption is less, device fabrication difficulty is less and maintenance is less.Its primary structure as shown in Figure 1, comprises rolling line adjusting device 101, top backing up roll 102, upper intermediate calender rolls 103, intermediate calender rolls roll bending and shifting roller arrangement 104, top working roll 105, working roller bending hydraulic cylinder 106, work roll bending block 107, bottom working roll 108, lower intermediate calender rolls 109, frame 110, lower support roll 111 and roll gap regulation hydraulic cylinder 112.Rolling line adjusting device 101 is for adjusting height of rolling line.Intermediate calender rolls roll bending and shifting roller arrangement 104 is for adjusting plate shape.Working roller bending hydraulic cylinder 106 is for adjusting plate shape.Roll gap regulation hydraulic cylinder 112 is for adjusting rolled piece exit thickness.But the six-roll cold mill working roll of routine can not do too little, the footpath (barrel diameter) wide (strip width) of its working roll is not less than 0.25 than generally, be difficult to be competent at when band steel as middle high grade silicon steel, stainless steel, high-strength steel and Ultra-thin of the material of rolling high drag, this adopts multi-roll mill rolling often, and typical type is 20 roller mills and 18 roller mills.Compared with six-high cluster mill, multi-roll mill have mill speed low, yield poorly, consume large, that the complicated manufacture difficulty of troublesome poeration, equipment is large and maintenance is large shortcoming, if six-high cluster mill rolling can be adopted, obvious economic benefit will be had.
With six-high cluster mill rolling above-mentioned material, working roll roller footpath significantly need be reduced.Conventional six-high cluster mill top working roll 105, bottom working roll 108, top backing up roll 102 and lower backing roll 111 are positioned at framework window center, the rotation centerline of above-mentioned 4 rollers overlaps in the horizontal direction, the rotation centerline of upper intermediate calender rolls 103 and lower intermediate calender rolls 109 overlaps in the horizontal direction, and be designed with an offset distance relative to the rotation centerline of top working roll 105, bottom working roll 108, top backing up roll 102 and lower support roll 111, this offset distance is 5 to 6 millimeters usually.Under wobbler action, breaker roll is produced horizontal component by roll-force, to eliminate the gap between roll chock and frame, ensures the position stability of roller system during rolling.This eccentric force is very large, for the six-high cluster mill of working roll transmission, is the chief component of working roll horizontal force.Under the effect of working roll body of roll horizontal force, the reduction in roller footpath brings the increasing of its horizontal amount of deflection, and then production board shape is worsened.
Existing a solution adopts HS milling train, i.e. intermediate roller driven working roll is made the form that can move horizontally, and adjusts offset distance between working roll and intermediate calender rolls in the hope of significantly reducing working roll horizontal force thus significantly reducing its roller footpath during rolling.Due to the fluctuation of rolling parameter, need adjustment offset distance in time can keep the little horizontal force state of working roll at any time.The method maintains the major advantage of six-high cluster mill, but structure and control more complicated, and provided by the frictional force between intermediate calender rolls and working roll due to roll torque, require that the roughness of the working roll body of roll can not be too little, thus reduce the surface quality of finished strip, also there is obvious shortcoming.
Summary of the invention
Technical problem to be solved by this invention is: provide the six-high cluster mill that can adopt little working roll roller footpath during a kind of material of rolling high drag.
The invention provides a kind of six-high cluster mill adopting working roll transmission, comprise: top backing up roll, upper intermediate calender rolls, top working roll, bottom working roll, lower intermediate calender rolls, lower support roll and hydraulic pressure lateral thruster, described top backing up roll, upper intermediate calender rolls, top working roll, bottom working roll, lower intermediate calender rolls and lower support roll are arranged in order from top to bottom and are supported on respective bearing block respectively by swivel bearing, described top backing up roll and lower support roll are arranged symmetrically with relative to the roll line of described six-high cluster mill, described upper intermediate calender rolls and lower intermediate calender rolls are arranged symmetrically with relative to described roll line, described top working roll and bottom working roll are arranged symmetrically with relative to described roll line, on described, lower intermediate calender rolls and upper, the rotation centerline of bottom working roll is no more than 1 millimeter in interval in the horizontal direction, described hydraulic pressure lateral thruster is from bearing block described in the bearing block lateral support of described top working roll and bottom working roll.
The rotation centerline of described upper and lower intermediate calender rolls and upper and lower working roll is no more than 0.3 millimeter in interval in the horizontal direction.
The rotation centerline of described upper and lower intermediate calender rolls and upper and lower working roll is no more than 0.2 millimeter in interval in the horizontal direction.
The rotation centerline of described upper and lower intermediate calender rolls and upper and lower working roll aligns in the horizontal direction.
The rotation centerline of described upper and lower backing roll and the rotation centerline of upper and lower intermediate calender rolls in the horizontal direction interval are arranged.
Described hydraulic pressure lateral thruster comprises movable liner plate, thruster hydraulic cylinder and the first work roll bending block, described movable liner plate is by the thruster Hydraulic Cylinder be embedded in described work roll bending block, described movable liner plate is connected with the bearing block of described working roll, makes described movable liner plate clamp the bearing block of working roll when rolling.
The opposite side of the bearing block of described working roll establishes fixing liner plate, and described fixing liner plate is fixed on the second work roll bending block on the first work roll bending block opposite
Beneficial effect of the present invention is mainly:
1. can produce mechanics effect without offset distance design, working roll horizontal force declines more than 2/3 compared with conventional six-high cluster mill, thus significantly reduces the horizontal amount of deflection of working roll when adopting little working roll.
2. also can produce geometric effect without offset distance design, with working roll with iso-deflection conventional six-high cluster mill compared with, about 4/5 is declined to the adverse effect of plate shape, and then increases the allowable horizontal amount of deflection of working roll, make working roll can do less.
3. the position stability of working roll when thruster hydraulic cylinder level compresses working roll bearing block to ensure rolling.
4. the position stability of intermediate calender rolls when the large offset distance between intermediate calender rolls and backing roll can ensure rolling.
Accompanying drawing explanation
Fig. 1 is six-high cluster mill schematic diagram in prior art.
Fig. 2 is six-high cluster mill schematic diagram in the present invention.
Fig. 3 be in the present invention six-high cluster mill P to partial schematic diagram.
Fig. 4 be in the present invention six-high cluster mill B-B to partial schematic diagram.
Detailed description of the invention
In order to understand the present invention better, below in conjunction with embodiment and accompanying drawing, technical scheme of the present invention is described further.As in Figure 2-4, six-high cluster mill comprises rolling line adjusting device 201, top backing up roll 202, upper intermediate calender rolls 203, intermediate calender rolls roll bending and shifting roller arrangement 204, top working roll 205, working roller bending hydraulic cylinder 206, work roll bending block 207, bottom working roll 208, lower intermediate calender rolls 209, frame 210, lower support roll 211, roll gap regulation hydraulic cylinder 212 and hydraulic pressure lateral thruster.The same with prior art, rolling line adjusting device 201 is for adjusting height of rolling line.Intermediate calender rolls roll bending and shifting roller arrangement 204 is for adjusting plate shape.Working roller bending hydraulic cylinder 206 is for adjusting plate shape.Roll gap regulation hydraulic cylinder 212 is for adjusting rolled piece exit thickness.
Wherein, top backing up roll 202, upper intermediate calender rolls 203, top working roll 205, bottom working roll 208, lower intermediate calender rolls 209 and lower support roll 211 are arranged in order from top to bottom and are supported on respective bearing block respectively by swivel bearing, top backing up roll 202 and lower support roll 211 are arranged symmetrically with relative to the roll line of six-high cluster mill, upper intermediate calender rolls 203 and lower intermediate calender rolls 209 are arranged symmetrically with relative to roll line, and top working roll 205 and bottom working roll 208 are arranged symmetrically with relative to described roll line.The rotation centerline of six-high cluster mill top working roll 205, bottom working roll 208, upper intermediate calender rolls 203 and lower intermediate calender rolls 209 overlaps in the horizontal direction, namely be designed to without standoff structure, top backing up roll 202 and lower backing roll 211 are positioned at framework window center, and the rotation centerline of top backing up roll 202 and lower backing roll 211 overlaps in the horizontal direction.Upper intermediate calender rolls 203, lower intermediate calender rolls 209 are provided with certain offset distance in the horizontal direction with the rotation centerline of top backing up roll 202, lower support roll 211.Simultaneously in order to the power on offset by the level of direction, hydraulic pressure lateral thruster clamps described bearing block from the bearing block lateral support of described top working roll and bottom working roll.
Described hydraulic pressure lateral thruster comprises movable liner plate 216, thruster hydraulic cylinder 214 and the first work roll bending block 207-1, movable liner plate 216 is promoted by the thruster hydraulic cylinder 214 be embedded in described work roll bending block 207, movable liner plate 216 is connected with the bearing block of working roll, makes described movable liner plate 216 clamp the bearing block of working roll when rolling.Clamp the position stability of working roll when the bearing block of working roll can ensure rolling during rolling, during roll change, then unclamp working roll bearing block to extract roll out vertically.
The opposite side of the bearing block of described working roll establishes fixing liner plate 219, and described fixing liner plate 219 is fixed on the second work roll bending block 207-2 on the first work roll bending block 207-1 opposite.
First work roll bending block 207-1 of movable liner plate 216 side embeds and fixes I-shaped working roll bending cylinder block 213, the in-built working roller bending hydraulic cylinder 206 of working roll bending cylinder block 213, and be provided with lining 215 to lead to the piston rod of thruster hydraulic cylinder 214.Movable liner plate 216 is fixed on the piston rod of thruster hydraulic cylinder 214 by the card key 217 cuing open dimidiation, and card key 217 is limited position by card key gland 218.
In the above-described embodiments, the rotation centerline of six-high cluster mill top working roll 205, bottom working roll 208, upper intermediate calender rolls 203 and lower intermediate calender rolls 209 aligns coincidence in the horizontal direction, now can obtain the general and device fabrication effect easily of design, and be also close to best without the mechanics effect of offset distance design, minimum working roll footpath (barrel diameter) wide (strip width) ratio can be obtained.But, when the rotation centerline of top working roll 205 and bottom working roll 208 rotation centerline and upper intermediate calender rolls 203 and lower intermediate calender rolls 209 is provided with small offset distance, such as, within 0.2 millimeter or within 0.3 millimeter, the mechanics effect without offset distance design may reach best.As optional embodiment, when the rotation centerline of top working roll 205 and bottom working roll 208 rotation centerline and upper intermediate calender rolls 203 and lower intermediate calender rolls 209 is no more than 1 millimeter, good mechanics effect and geometric effect can be obtained thus obtain the wide ratio in less working roll footpath.
Top working roll 205 and bottom working roll 208 rotation centerline align with the rotation centerline of upper intermediate calender rolls 203 and lower intermediate calender rolls 209 or are set to the favourable little deviation in direction by the present invention in the horizontal direction, a larger offset distance will be designed between described intermediate calender rolls and described backing roll, and hydraulic pressure lateral thruster is set in corresponding bearing block side, when the bearing block clamping working roll during rolling is to ensure rolling, the position stability of working roll, then unclamps working roll bearing block to extract roll out vertically during roll change.High grade silicon steel, high-strength steel, titanium alloy, nickel-base alloy and part stainless steel in can producing with lower cost by the milling train of the method design, inherit all advantages of conventional six-high cluster mill and avoid the shortcoming of HS milling train.
More than illustrate and be only Application Example of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalence change that the present patent application the scope of the claims is done, still belong to protection scope of the present invention.
Claims (5)
1. a six-high cluster mill, comprise: top backing up roll, upper intermediate calender rolls, top working roll, bottom working roll, lower intermediate calender rolls, lower support roll and hydraulic pressure lateral thruster, described top backing up roll, upper intermediate calender rolls, top working roll, bottom working roll, lower intermediate calender rolls and lower support roll are arranged in order from top to bottom and are supported on respective bearing block respectively by swivel bearing, described top backing up roll and lower support roll are arranged symmetrically with relative to the roll line of described six-high cluster mill, described upper intermediate calender rolls and lower intermediate calender rolls are arranged symmetrically with relative to described roll line, described top working roll and bottom working roll are arranged symmetrically with relative to described roll line, it is characterized in that: on described, lower intermediate calender rolls and upper, the rotation centerline of bottom working roll is no more than 1 millimeter in interval in the horizontal direction, described hydraulic pressure lateral thruster is from bearing block described in the bearing block lateral support of described top working roll and bottom working roll,
The rotation centerline of described upper and lower backing roll and the rotation centerline of upper and lower intermediate calender rolls in the horizontal direction interval are arranged;
Described hydraulic pressure lateral thruster comprises movable liner plate, thruster hydraulic cylinder and the first work roll bending block, described movable liner plate is by the thruster Hydraulic Cylinder be embedded in described work roll bending block, described movable liner plate is connected with the bearing block of described working roll, makes described movable liner plate clamp the bearing block of working roll when rolling.
2. six-high cluster mill according to claim 1, its feature in, the rotation centerline of described upper and lower intermediate calender rolls and upper and lower working roll is no more than 0.3 millimeter in interval in the horizontal direction.
3. six-high cluster mill according to claim 1, its feature in, the rotation centerline of described upper and lower intermediate calender rolls and upper and lower working roll is no more than 0.2 millimeter in interval in the horizontal direction.
4. six-high cluster mill according to claim 1, its feature in, the rotation centerline of described upper and lower intermediate calender rolls and upper and lower working roll aligns in the horizontal direction.
5. six-high cluster mill according to claim 1, its feature in, the opposite side of the bearing block of described working roll establishes fixing liner plate, and described fixing liner plate is fixed on the second work roll bending block on the first work roll bending block opposite.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310137673.7A CN103212579B (en) | 2013-04-19 | 2013-04-19 | A kind of six-high cluster mill |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310137673.7A CN103212579B (en) | 2013-04-19 | 2013-04-19 | A kind of six-high cluster mill |
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| CN103212579A CN103212579A (en) | 2013-07-24 |
| CN103212579B true CN103212579B (en) | 2016-01-20 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103920711B (en) * | 2014-04-22 | 2016-03-30 | 中冶南方工程技术有限公司 | A kind of roll-shifting device of intermediate roller driven |
| CN103962378B (en) * | 2014-04-22 | 2016-03-02 | 中冶南方工程技术有限公司 | The independent changing rig of intermediate calender rolls in one |
| CN104209325A (en) * | 2014-09-10 | 2014-12-17 | 中冶南方工程技术有限公司 | Large roll, small roll and bent roll system suitable for double-stand flattening and double cold reduction unit |
| CN107790495A (en) * | 2017-11-28 | 2018-03-13 | 中冶南方工程技术有限公司 | A kind of metal strip rolling mill of the collateral runner of band |
| CN108213077A (en) * | 2017-12-29 | 2018-06-29 | 武汉钢铁有限公司 | The method of cold rolling >=2.5%Si high silicon steel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0154896A2 (en) * | 1984-03-13 | 1985-09-18 | Sms Schloemann-Siemag Aktiengesellschaft | Six-high mill |
| CN101249505A (en) * | 2008-04-05 | 2008-08-27 | 无锡五冶金属压延有限公司 | Roller device of cold calender |
| CN101733287A (en) * | 2009-12-17 | 2010-06-16 | 北京京诚之星科技开发有限公司 | Device for adjusting and positioning horizontal offset for working rollers of rolling mill |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58119407A (en) * | 1982-01-06 | 1983-07-15 | Hitachi Ltd | Rolling mill |
| JP3526554B2 (en) * | 2001-02-13 | 2004-05-17 | 株式会社日立製作所 | Tandem rolling equipment and rolling method |
| CN102107212B (en) * | 2010-11-09 | 2013-01-16 | 燕山大学 | Micro-scale six-roller mill with static stability |
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- 2013-04-19 CN CN201310137673.7A patent/CN103212579B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0154896A2 (en) * | 1984-03-13 | 1985-09-18 | Sms Schloemann-Siemag Aktiengesellschaft | Six-high mill |
| CN101249505A (en) * | 2008-04-05 | 2008-08-27 | 无锡五冶金属压延有限公司 | Roller device of cold calender |
| CN101733287A (en) * | 2009-12-17 | 2010-06-16 | 北京京诚之星科技开发有限公司 | Device for adjusting and positioning horizontal offset for working rollers of rolling mill |
Non-Patent Citations (1)
| Title |
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| 六辊轧机传动方式对辊系稳定性的影响;赵立新;《冶金设备》;19930831(第04期);第2节，以及图6 * |
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