CN105772509A - Hot-rolled metal compound plate pre-straightening roller system - Google Patents

Hot-rolled metal compound plate pre-straightening roller system Download PDF

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Publication number
CN105772509A
CN105772509A CN201610285657.6A CN201610285657A CN105772509A CN 105772509 A CN105772509 A CN 105772509A CN 201610285657 A CN201610285657 A CN 201610285657A CN 105772509 A CN105772509 A CN 105772509A
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CN
China
Prior art keywords
straightening
power transmission
transmission shaft
smoothing roll
composite plate
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Granted
Application number
CN201610285657.6A
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Chinese (zh)
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CN105772509B (en
Inventor
管奔
臧勇
张超
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Shunde Graduate School of USTB
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University of Science and Technology Beijing USTB
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B15/00Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D1/00Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
    • B21D1/02Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers

Abstract

The invention relates to the field of compound plate straightening and provides a hot-rolled metal compound plate pre-straightening roller system. The system comprises a middle straightening unit and two lateral straightening units. The middle straightening unit and the lateral straightening units are each provided with an upper straightening roller and a lower straightening roller. The overall height of the middle straightening unit and the opening degree of the two straightening rollers of the middle straightening unit can be adjusted. The position of each lateral straightening unit in the plate feeding direction and the opening degree of the two straightening rollers of each lateral straightening unit can be adjusted. The system has the advantages that large deflection of a compound plate in the length direction can be effectively eliminated by adjusting the height and the position of the middle straightening unit; large deflection in the width direction of the plate can be effectively eliminated by adjusting the opening degree of the upper straightening rollers and the lower straightening rollers; due to the self-adjusting design of straightening roller pieces, it is guaranteed that the straightening roller pieces and the compound plate are in planar contact in the pre-straightening process, and large contact stress is avoided; the overall height and the opening degree of the two rollers of the middle straightening unit can be adjusted, and the longitudinal position and the opening degree of the two rollers of each of the two lateral straightening units can be adjusted so as to adapt to different supplied plate shapes, plate widths and plate shape defects.

Description

A kind of hot-rolling metal composite plate pre-straightening roller system
Technical field
The invention belongs to composite plate straightening technology field, particularly to a kind of hot-rolling metal composite plate pre-straightening roller system.
Background technology
At present, the application in the industries such as shipbuilding, oil, chemical industry of the hot-rolling metal composite plate is increasingly extensive, and the requirement of its quality is also improved day by day.The difference of the composite metal plate physical property due to interlayer materials and mechanical property, composite plate cross section is unsymmetric structure, causes it generally to occur two-way wooden dipper song defect (as shown in Figure 1) of plate shape in process of production.The two-way wooden dipper song defect of plate shape shows as composite plate and all there is the wooden dipper song of deep camber along plate length and plate width direction, and the edge causing composite plate is poor with middle part one bigger amount of deflection of existence, tends to exceed the opening degree of straightener, causes equipment for straightening to nip;And namely composite plate allows to enter straightener smoothly, tradition replaceable straightening roller system is also merely capable of correcting the flexure of composite plate length direction, and the rectification ability that the deep camber of composite plate width is bent is extremely limited;It is thus desirable to it is carried out pre-straightening process.
Pre-straightening equipment or blank out currently for hot-rolling metal composite plate.
Summary of the invention
The purpose of the present invention overcomes the deficiencies in the prior art exactly, the problem that large deflection difference causes straightener to nip is there is in the direction of the width for hot-rolling metal composite plate, a kind of hot-rolling metal composite plate pre-straightening roller system is provided, can effectively eliminate composite plate large deflection flexure in the width direction, ensureing nipping smoothly of follow-up equipment for straightening, in the middle of adjusting, the height and position of resistance straightening unit can effectively eliminate the overall flexure of composite plate length direction simultaneously.
One of the present invention hot-rolling metal composite plate pre-straightening roller system, including middle resistance straightening unit, 2 avris resistance straightening units;Described middle resistance straightening unit, avris resistance straightening unit include upper and lower 2 smoothing rolls respectively;The whole height of described middle resistance straightening unit and the opening degree of 2 smoothing rolls are all adjustable;Described avris resistance straightening unit is all adjustable along the position of composite plate direction of feed and the opening degree of 2 smoothing rolls.
Further, described upper and lower smoothing roll includes power transmission shaft, 2 smoothing roll sheets and sleeve respectively, and 2 smoothing roll sheets are connected with corresponding power transmission shaft by sleeve.
Further, described smoothing roll sheet 2 is assemblied on described power transmission shaft in groups;When 2 smoothing roll sheets of upper straightening roll are assemblied in the two ends of corresponding power transmission shaft, 2 smoothing roll sheets of lower smoothing roll are assemblied in the middle part of corresponding power transmission shaft;When 2 smoothing roll sheets of upper straightening roll are assemblied in the middle part of corresponding power transmission shaft, 2 smoothing roll sheets of lower smoothing roll are assemblied in the two ends of corresponding power transmission shaft.
Further, described power transmission shaft having 1 keyway running through axial, described sleeve diameter and described power transmission shaft internal diameter are matched in clearance, and described smoothing roll sheet is risen axial positioning action.
Further, described smoothing roll sheet includes internal spherical cage, steel ball and outer collars.
Further, the external diameter of described internal spherical cage and the internal diameter of described outer collars all have groove, is coordinated by described steel ball, there is the self-regulating function keeping described outer collars to contact with composite plate face in real time;Described internal spherical cage and described power transmission shaft are matched in clearance, and inner radius has keyway, by key and power transmission shaft realize along power transmission shaft circumferentially positioned.
The prominent of the present invention has the beneficial effect that
1, composite plate large deflection flexure along its length can effectively be eliminated by the height and position of resistance straightening unit in the middle of adjusting;
2, two groups of smoothing roll sheets are assemblied in two ends or the middle part of upper and lower smoothing roll respectively;Make composite plate form plastic bending in the width direction by adjusting the opening degree of smoothing roll up and down in resistance straightening unit, can effectively eliminate the large deflection along composite plate width and bend;
3, the self-regulation of smoothing roll sheet is designed to ensure that smoothing roll sheet contacts with composite plate holding surface in pre-straightening process, it is to avoid composite surface is damaged by excessive contact stress;
4, the sleeve of different size can adjust smoothing roll sheet rigging position on smoothing roll, to adapt to different composite board width;
5, the whole height of middle resistance straightening unit is adjustable with two roller opening degrees, and unit lengthwise position is aligned on both sides and two roller opening degrees are adjustable, adapts to different incoming profiles and flatness defect.
Accompanying drawing explanation
Fig. 1 show the two-way wooden dipper song defect schematic diagram of hot-rolling metal composite plate.
Fig. 2 show embodiment of the present invention one hot-rolling metal composite plate pre-straightening roller system overall structure schematic perspective view.
Fig. 3 show resistance straightening unit and adjusts mode schematic diagram.
Fig. 4 show smoothing roll structural representation.
Fig. 5 show smoothing roll chip architecture schematic diagram.
Fig. 6 show smoothing roll sheet and composite plate contact angle self-regulation schematic diagram.
Fig. 7 show composite metal plate width case of bending schematic diagram in roller system.
Fig. 8 show composite metal plate length direction case of bending schematic diagram in roller system.
In figure: smoothing roll, the middle resistance straightening unit of 3-, 4-avris resistance straightening unit, 5-power transmission shaft, 6-sleeve, 7-smoothing roll sheet, 8-internal spherical cage, 9-outer collars, 10-steel ball, 11-composite plate initial deflection state in the width direction, 12-composite plate straightening process deflected in the width direction, 13-composite plate initial deflection state along its length, 14-composite plate straightening process deflected along its length under 1-upper straightening roll, 2-.
Detailed description of the invention
The specific embodiment of the invention is described in detail below in conjunction with concrete accompanying drawing.It should be noted that, what the combination of technical characteristic described in following embodiment or technical characteristic was not construed as isolating, they can be mutually combined thus reaching superior technique effect.In the accompanying drawing of following embodiment, the identical label that each accompanying drawing occurs represents identical feature or parts, can be applicable in different embodiment.
As shown in Figure 2,3, embodiment of the present invention one hot-rolling metal composite plate pre-straightening roller system, including middle 3,2 avris resistance straightening units 4 of resistance straightening unit;Described middle resistance straightening unit 3, avris resistance straightening unit 4 include upper and lower 2 smoothing rolls 1,2 respectively;The whole height of described middle resistance straightening unit 3 and the opening degree of 2 smoothing rolls 1,2 are all adjustable;Described avris resistance straightening unit 4 is all adjustable along the position of composite plate direction of feed and the opening degree of 2 smoothing rolls 1,2.
As shown in Figure 4, it is preferred that described upper and lower smoothing roll 1,2 includes 5,2 smoothing roll sheets 7 of power transmission shaft respectively and 6,2 smoothing roll sheets of sleeve 7 are connected with corresponding power transmission shaft 5 by sleeve 6.
Preferably, described smoothing roll sheet 7 two is assemblied on described power transmission shaft 5 in groups;When 2 smoothing roll sheets 7 of upper straightening roll 1 are assemblied in the two ends of corresponding power transmission shaft 5,2 smoothing roll sheets 7 of lower smoothing roll 2 are assemblied in the middle part of corresponding power transmission shaft 5;When 2 smoothing roll sheets 7 of upper straightening roll 1 are assemblied in the middle part of corresponding power transmission shaft 5,2 smoothing roll sheets 7 of lower smoothing roll 2 are assemblied in the two ends of corresponding power transmission shaft 5.
Preferably, described power transmission shaft 5 has 1 keyway running through axial, described sleeve 6 internal diameter and described power transmission shaft 5 internal diameter are matched in clearance, to 7 axial positioning actions of described smoothing roll sheet, simultaneously with the use of the sleeve 6 with different length with power transmission shaft 5 diameter being matched in clearance, make two smoothing roll sheets 7 can be positioned at the optional position that power transmission shaft 5 is axial.
As shown in Figure 5,6, it is preferred that described smoothing roll sheet 7 includes internal spherical cage 8, steel ball 10 and outer collars 9;The external diameter of described internal spherical cage 8 and the internal diameter of described outer collars 9 all have groove, is coordinated by described steel ball 10, there is the self-regulating function keeping described outer collars 9 to contact with composite plate face in real time;Described internal spherical cage 8 and described power transmission shaft 5 be matched in clearance, and inner radius has keyway, by circumferentially positioned along power transmission shaft of key and power transmission shaft realization;Smoothing roll sheet 7 mainly realizes the longitudinal direction to composite plate and transverse curvature is corrected, and rotates the function driving composite plate to realize continuous feed, simultaneously need to possess the contact angle self-regulating function contacted at any time with the case of bending of composite plate with its holding surface.First, internal spherical cage 8 is connected, with power transmission shaft 5, the synchronous axial system realizing internal spherical cage 8 with power transmission shaft 5 by key;Secondly, internal spherical cage 8 and outer collars 9 have raceway, the synchronous axial system of outer collars 9 and internal spherical cage 8 is realized by steel ball 10 transmission, then composite plate is driven to realize continuous feed, this structure can also make internal spherical cage 8 realize transmission with outer collars 9 axially in any angle when, then ensure that the state that outer collars 9 contacts with its holding surface at any time with the case of bending of composite plate, it is achieved smoothing roll sheet 7 contact angle self-regulating function.
During use, composite plate width according to composite plate and defect form in the width direction, determine rigging position and the assembling form of the upper and lower respective smoothing roll sheet 7 of smoothing roll 1,2, if composite plate defect form is the two-way recessed defect shown in a in Fig. 1, then in all resistance straightening units 3,4, the smoothing roll sheet 7 of upper straightening roll 1 is assemblied in power transmission shaft 5 two ends, and the smoothing roll sheet 7 of lower smoothing roll 2 is assemblied in the middle part of power transmission shaft 5;If composite plate defect form is the two-way protrusion defect shown in b in Fig. 1, then the smoothing roll sheet 7 of the upper straightening roll 1 in all resistance straightening units 3,4 is assemblied in the middle part of power transmission shaft 5, the smoothing roll sheet 7 of lower smoothing roll 2 is assemblied in power transmission shaft 5 two ends, adjusts the opening degree of the upper and lower smoothing roll 1,2 of each resistance straightening unit 3,4 again through computer or manual mode;Its effect is to make composite plate form the plastic bending state contrary with genetic defects bending direction (as shown in Figure 7 in the width direction in each resistance straightening unit 3,4,11 be wherein composite plate initial deflection state in the width direction, 12 for composite plate straightening process deflected in the width direction), thus the elimination of composite plate width flexure after realizing rectifying.Then will according to the specification of composite plate and defect form along its length, by computer or manual mode adjust in the middle of the whole height position of resistance straightening unit 3 and two avris resistance straightening units 4 along the position of composite plate direction of feed;Its effect is the difference by three resistance straightening units 3,4 height and position, composite plate is made to form the plastic bending state contrary with genetic defects bending direction along its length (as shown in Figure 8,13 be wherein composite plate initial deflection state along its length, 14 for composite plate straightening process deflected along its length), thus the elimination that after realizing rectifying, composite plate bends along its length;Meanwhile, by adjusting the lengthwise position of two avris resistance straightening units 4, pre-straightening roller system is made to form the roll spacing needed according to different composite plate specifications, thus ensureing the roller system bearing capacity for all size composite plate.Finally, rotate the power transmission shaft 5 of each smoothing roll 1,2 by driving device and realize the continuous feed straightening process of composite plate.
The prominent of the present invention has the beneficial effect that
1, composite plate large deflection flexure along its length can effectively be eliminated by the height and position of resistance straightening unit in the middle of adjusting;
2, two groups of smoothing roll sheets are assemblied in two ends or the middle part of upper and lower smoothing roll respectively;Make composite plate form plastic bending in the width direction by adjusting the opening degree of smoothing roll up and down in resistance straightening unit, can effectively eliminate the large deflection along composite plate width and bend;
3, the self-regulation of smoothing roll sheet is designed to ensure that smoothing roll sheet contacts with composite plate holding surface in pre-straightening process, it is to avoid composite surface is damaged by excessive contact stress;
4, the sleeve of different size can adjust smoothing roll sheet rigging position on smoothing roll, to adapt to different composite board width;
5, the whole height of middle resistance straightening unit is adjustable with two roller opening degrees, and unit lengthwise position is aligned on both sides and two roller opening degrees are adjustable, adapts to different incoming profiles and flatness defect.
Although have been presented for several embodiments of the present invention herein, it will be appreciated by those of skill in the art that without departing from the spirit of the invention, it is possible to the embodiments herein is changed.Above-described embodiment is illustrative of, should restriction using the embodiments herein as interest field of the present invention.

Claims (6)

1. a hot-rolling metal composite plate pre-straightening roller system, it is characterised in that include middle resistance straightening unit, 2 avris resistance straightening units;Described middle resistance straightening unit, avris resistance straightening unit include upper and lower 2 smoothing rolls respectively;The whole height of described middle resistance straightening unit and the opening degree of 2 smoothing rolls are all adjustable;Described avris resistance straightening unit is all adjustable along the position of composite plate direction of feed and the opening degree of 2 smoothing rolls.
2. as claimed in claim 1 hot-rolling metal composite plate pre-straightening roller system, it is characterised in that described upper and lower smoothing roll includes power transmission shaft, 2 smoothing roll sheets and sleeve respectively, and 2 smoothing roll sheets are by sleeve and the connection of corresponding power transmission shaft.
3. as claimed in claim 2 hot-rolling metal composite plate pre-straightening roller system, it is characterised in that described smoothing roll sheet 2 is assemblied on described power transmission shaft in groups;When 2 smoothing roll sheets of upper straightening roll are assemblied in the two ends of corresponding power transmission shaft, 2 smoothing roll sheets of lower smoothing roll are assemblied in the middle part of corresponding power transmission shaft;When 2 smoothing roll sheets of upper straightening roll are assemblied in the middle part of corresponding power transmission shaft, 2 smoothing roll sheets of lower smoothing roll are assemblied in the two ends of corresponding power transmission shaft.
4. as claimed in claim 2 hot-rolling metal composite plate pre-straightening roller system, it is characterised in that having 1 keyway running through axial on described power transmission shaft, described sleeve diameter and described power transmission shaft internal diameter are matched in clearance, and described smoothing roll sheet is risen axial positioning action.
5. as claimed in claim 2 hot-rolling metal composite plate pre-straightening roller system, it is characterised in that described smoothing roll sheet includes internal spherical cage, steel ball and outer collars.
6. as claimed in claim 5 hot-rolling metal composite plate pre-straightening roller system, it is characterized in that, the external diameter of described internal spherical cage and the internal diameter of described outer collars all have groove, is coordinated by described steel ball, there is the self-regulating function keeping described outer collars to contact with composite plate face in real time;Described internal spherical cage and described power transmission shaft are matched in clearance, and inner radius has keyway, by key and power transmission shaft realize along power transmission shaft circumferentially positioned.
CN201610285657.6A 2016-04-29 2016-04-29 A kind of hot-rolling metal composite plate pre-straightening roller system Active CN105772509B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114042783A (en) * 2021-11-30 2022-02-15 一重集团大连工程技术有限公司 Aluminum alloy profile two-roller straightening machine with rib plates
CN114160610A (en) * 2021-11-30 2022-03-11 一重集团大连工程技术有限公司 Aluminum alloy section bar four-roller straightening machine with rib plates

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Publication number Priority date Publication date Assignee Title
JPS59209423A (en) * 1983-05-12 1984-11-28 Ube Ind Ltd Straightening machine for thick plate
CN201333469Y (en) * 2008-12-31 2009-10-28 山东宏康机械制造有限公司 Single-roller-moving type metal strip convex flattener
CN202028640U (en) * 2011-02-28 2011-11-09 东莞裕升薄板有限公司 Straightening and withdrawal unit for straightening galvanized sheets
CN202638978U (en) * 2011-12-29 2013-01-02 二重集团(德阳)重型装备股份有限公司 Variable roller spacing straightener
US20130133388A1 (en) * 2003-09-15 2013-05-30 The Bradbury Company, Inc. Methods and apparatus for monitoring and conditioning strip material
CN203599285U (en) * 2013-12-24 2014-05-21 北京京诚之星科技开发有限公司 Variable roller spacing straightener
CN203695655U (en) * 2013-12-06 2014-07-09 常州金安冶金设备有限公司 Straightening roller adjusting device
CN104438460A (en) * 2013-09-24 2015-03-25 宝山钢铁股份有限公司 Flattening and withdrawing-straightening method for strip steel
CN105290110A (en) * 2015-12-04 2016-02-03 中冶南方工程技术有限公司 Compound straightener for cold and hard strip steel
CN205096252U (en) * 2015-10-30 2016-03-23 中冶赛迪工程技术股份有限公司 Draw strong descaling mill

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Publication number Priority date Publication date Assignee Title
JPS59209423A (en) * 1983-05-12 1984-11-28 Ube Ind Ltd Straightening machine for thick plate
US20130133388A1 (en) * 2003-09-15 2013-05-30 The Bradbury Company, Inc. Methods and apparatus for monitoring and conditioning strip material
CN201333469Y (en) * 2008-12-31 2009-10-28 山东宏康机械制造有限公司 Single-roller-moving type metal strip convex flattener
CN202028640U (en) * 2011-02-28 2011-11-09 东莞裕升薄板有限公司 Straightening and withdrawal unit for straightening galvanized sheets
CN202638978U (en) * 2011-12-29 2013-01-02 二重集团(德阳)重型装备股份有限公司 Variable roller spacing straightener
CN104438460A (en) * 2013-09-24 2015-03-25 宝山钢铁股份有限公司 Flattening and withdrawing-straightening method for strip steel
CN203695655U (en) * 2013-12-06 2014-07-09 常州金安冶金设备有限公司 Straightening roller adjusting device
CN203599285U (en) * 2013-12-24 2014-05-21 北京京诚之星科技开发有限公司 Variable roller spacing straightener
CN205096252U (en) * 2015-10-30 2016-03-23 中冶赛迪工程技术股份有限公司 Draw strong descaling mill
CN105290110A (en) * 2015-12-04 2016-02-03 中冶南方工程技术有限公司 Compound straightener for cold and hard strip steel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114042783A (en) * 2021-11-30 2022-02-15 一重集团大连工程技术有限公司 Aluminum alloy profile two-roller straightening machine with rib plates
CN114160610A (en) * 2021-11-30 2022-03-11 一重集团大连工程技术有限公司 Aluminum alloy section bar four-roller straightening machine with rib plates

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Effective date of registration: 20200513

Address after: 528300 No.2, Zhihui Road, Daliang, Shunde District, Foshan City, Guangdong Province

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