CN105290110B - Chill strip compound straightening machine - Google Patents

Chill strip compound straightening machine Download PDF

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Publication number
CN105290110B
CN105290110B CN201510878053.8A CN201510878053A CN105290110B CN 105290110 B CN105290110 B CN 105290110B CN 201510878053 A CN201510878053 A CN 201510878053A CN 105290110 B CN105290110 B CN 105290110B
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CN
China
Prior art keywords
roll
roller
box
straightening unit
strip
Prior art date
Application number
CN201510878053.8A
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Chinese (zh)
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CN105290110A (en
Inventor
刘首跃
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中冶南方工程技术有限公司
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Priority to CN201510878053.8A priority Critical patent/CN105290110B/en
Publication of CN105290110A publication Critical patent/CN105290110A/en
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Publication of CN105290110B publication Critical patent/CN105290110B/en

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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 present invention provides a kind of chill strip compound straightening machine.Compound straightening unit including organic frame and installed in machine frame inside, compound straightening unit includes straightening unit, multiple roll resistance straightening unit, roller system, roller system regulating system, the fast open system of roller system and roll change buggy, 5 slewing rollers are also equipped with described frame, straightening unit, multiple roll resistance straightening unit are distributed in the interval between slewing rollers;Described bending roll and smoothing roll, it is that lower roll first contacts strip in strip advance route, strip is contacted after upper roller.The present invention can be obviously improved chill belt plate shape quality, improve product quality level, meet business demand of the market to chill strip.

Description

Chill strip compound straightening machine

Technical field

The present invention relates to metallurgy industry cold rolled strip steel production field, and in particular to a kind of chill belt plate shape quality of lifting Compound straightening machine, it can apply in a variety of improvement such as chill strip rewinding unit, high-strength steel galvanizing unit, high-strength steel continuous annealing units The belt plate shape unit that intensity is high, elongation percentage is low.

Background technology

Chill strip after cold rolling is processed have that internal stress is big, yield strength is big, yield tensile ratio is high, elongation percentage is low and The features such as plate face wooden dipper song shape wave, with being thinned for belt steel thickness, its feature is obvious all the more, plate shape aligning more difficult.Pass through one As plate shape method for aligning to obtain such product commodity coiled material be always industry problem.

At present, industrially chill strip after cold rolling is carried out by the method in production unit process section configuration withdrawal straightening machine Plate shape aligns deep processing, but not can effectively improve chill steel plate shape problem, traces it to its cause and essentially consists in straightening machine equipment aligning energy Power is limited and the mechanical property of such sheet material and its feature cause the elongation model that can be set occur during its stretch-bending straightening Enclose small, bending roll and the problems such as the parameter such as smoothing roll insertion and technique tension force is difficult to control,

The content of the invention

The technical problem to be solved in the present invention is to provide a kind of chill belt plate shape equipment for straightening, can be obviously improved cold Stiff ribbon steel strip shape quality, improve product quality level.

The technical solution adopted for the present invention to solve the technical problems is:

Chill strip compound straightening machine, is arranged on unit process section, including organic frame and installed in the compound of machine frame inside Resistance straightening unit, compound straightening unit include straightening unit, multiple roll resistance straightening unit, roller system, roller system regulating system, the fast open system of roller system And roll change buggy, it is characterised in that 5 slewing rollers, straightening unit, multiple roll resistance straightening unit point are also equipped with described frame In interval of the cloth between slewing rollers;Wherein described straightening unit includes two pairs of bending rolls and two smoothing rolls, every a pair Bending roll includes lower roll and upper roller, is distributed in pairs between first and second slewing rollers, and smoothing roll is individually respectively distributed to 2nd, in two intervals that the third and fourth slewing rollers are formed, two smoothing rolls one are that upper roller one is lower roll, respectively positioned at band Both sides above and below steel;Described multiple roll resistance straightening unit is distributed between the 4th and the 5th slewing rollers;Described bending roll and smoothing roll, It is that lower roll first contacts strip in strip advance route, strip is contacted after upper roller.

In such scheme, the upper roller of the bending roll of described straightening unit is furnished with upper bending roll box, and upper bending roll box leads to Cross 1 set of hydraulic cylinder and control the movement of roller box vertical direction, realize the positioning of roller box operating position, cross quick opening and roll change during weld seam When lift.

In such scheme, the lower roll of the bending roll of described straightening unit is furnished with lower bending roll box, and lower bending roll box leads to 1 set of adjusting means is crossed by realizing that roller box compression distance is adjusted, the control of worm gear lift encoder.

In such scheme, the smoothing roll of described straightening unit is configured with smoothing roll box, and smoothing roll box connects 1 set of regulation Device is by realizing that roller box compression distance is adjusted, the control of worm gear lift encoder.

In such scheme, described multiple roll resistance straightening unit configures upper a roller seat and a lower roller base, and upper roller seat can be with Move up and down, lower roller base is around roller seat pivot.

In such scheme, the upper roller seat of described multiple roll resistance straightening unit controls roller box vertical direction by 1 set of hydraulic cylinder It is mobile, it is quick when realizing the positioning of roller box operating position, crossing weld seam to open and lift during roll change.

In such scheme, the lower roller base of described multiple roll resistance straightening unit by 2 sets of adjusting meanss by realizing that cornerite adjusts, Control the descending bending straightening gradually to successively decrease of strip, the control of worm gear lift encoder.

In such scheme, described 5 slewing rollers, position is fixed, and diameter is identical, contacts strip during work, and end to end 2 Root controls strip traffic direction, and middle 3 coordinate straightening unit and the work of multiple roll resistance straightening unit.

In such scheme, described bending roll and smoothing roll, 3 heavy roller systems are respectively provided with, are working roll, intermediate calender rolls and branch Roller group is supportted into specially 1 working roll, 2 intermediate calender rolls and 3 support rollers, diameter Relationship are:Intermediate calender rolls≤working roll < branch Roller is supportted, roller material is bearing steel and passes through heat treatment process.

In such scheme, each group of working roll of described multiple roll resistance straightening unit is respectively provided with 3 row's roller systems, be working roll, Intermediate calender rolls and support roller composition, upper roller seat is specially odd number root working roll, even number root intermediate calender rolls and odd number root support roller;Under Roller seat is specially even number root working roll, odd number root intermediate calender rolls and even number root support roller.Diameter Relationship is:Working roll≤intermediate calender rolls < support rollers, roller material are bearing steel and pass through heat treatment process.

In such scheme, described upper bending roll box, lower bending roll box and smoothing roll box can be driven by hydraulic cylinder Dynamic roll change buggy realize one, multiple or whole roller boxes pull out and promote, upper bending roll box can be overturn on dolly, convenient Roll change.

In such scheme, described multiple roll resistance straightening unit can realize overall draw by the roll change buggy of Driven by Hydraulic Cylinder Go out and promote, facilitate roll change.

The principle of the present invention is:Set between the entrance tension roll assembly and outlet tension roll assembly of unit process section compound Straightener, compound straightening machine are made up of straightening unit and multiple roll resistance straightening unit(It is respectively provided with absolute value type encoder), in entrance and Export under the tension between tension roll assembly, utilize straightening unit stretch-bending straightening and the wide region of multiple roll resistance straightening unit, parcel Angle, multi-pass, the continuous forward and reverse flecition gradually successively decreased so that strip produces the extension of plastic yielding position;Pass through straightening The coupling of unit and multiple roll resistance straightening unit complex bend, realize that micro elongation percentage changes;Pass through absolute value type encoder Detection and feedback, dynamic adjust straightening unit bending roller and the compression distance of smoothing roll and inclining for multiple roll resistance straightening unit lower roller base Rake angle, to meet that the plate shape of chill strip different size kind aligning requires.

The beneficial effect comprise that:

For chill strip internal stress is big, yield strength is big, yield tensile ratio is high, elongation percentage is low and the spy of plate face wooden dipper song shape wave Point, compound straightening machine equipment is configured in related unit process section, plate shape deep processing is carried out to it, rectified using the stretch bending of straightening unit Straight and the wide region of multiple roll resistance straightening unit, small cornerite, multi-pass, the continuous forward and reverse flecition gradually successively decreased so that strip Produce the extension of plastic yielding position;By the coupling of straightening unit and multiple roll resistance straightening unit complex bend, chill band is realized Micro elongation percentage in steel straightening process changes, and improves chill belt plate shape quality, meets business need of the market to chill strip Ask.

Brief description of the drawings

Fig. 1 is the overall structure diagram that the present invention is implemented.

In figure:1- framework memorial archways;2- bending roll boxes;3- roller box lift adjustment hydraulic cylinders;4- slewing rollers;5- smoothing roll boxes; 6- roller boxes compression distance adjusts turbine lift;The upper roller seats of 7-;The upper roller seat lift adjustment hydraulic cylinders of 8-;9- lower roller bases;10- bands Steel;11- lower roller base oscillation adjustment turbine lifts.

Embodiment

With reference to embodiment, the present invention is further illustrated, but does not limit the present invention.

Embodiment 1:

One autonomous device of compound straightening machine system as shown in Figure 1, include framework memorial archway 1, straightening unit, multiple roll aligning Unit, roller system, roller box lift adjustment hydraulic cylinder 3, roller box compression distance regulation turbine lift 6, upper roller seat 7, lower roller base 9, on Roller seat lift adjustment hydraulic cylinder 8, lower roller base oscillation adjustment turbine lift 11.Drive system that this equipment is unpowered, is arranged on machine Group process section;Framework memorial archway 1 is welded by steel plate and shaped steel, forms rigid mounting;Compound straightening machine configures a straightening list Member(Two curved two rectify)With a multiple roll resistance straightening unit(11 rollers);Straightening unit configures two pairs of bending roll boxes 2, and opposite dislocation is set Put, can use simultaneously, can also the using and the reserved;Straightening unit configures two smoothing roll boxes 5, is respectively cooperating with two slewing rollers 4, It can use simultaneously, can also the using and the reserved;The bending roll box 2 of straightening unit and the roller of smoothing roll box 5, it is first during work Strip lower surface is contacted, it is rear to contact strip upper surface;Bending roll box 2 divides passes through a set of roller for upper and lower two parts, upper bending roll box Box lift adjustment hydraulic cylinder 3 controls the movement of roller box vertical direction, when realizing the positioning of roller box operating position, crossing weld seam it is quick open with And lifted during roll change;Lower bending roll box adjusts turbine lift 6 by a set of roller box compression distance and realizes that roller box compression distance is adjusted Section, regulation depth have encoder control;The smoothing roll box 5 of straightening unit, turbine is adjusted by a set of roller box compression distance and lifted Machine 6 realizes that roller box compression distance is adjusted, and regulation depth has encoder control;Multiple roll resistance straightening unit configures a upper roller seat 7 and one Individual lower roller base 9.Upper roller seat 7 can move up and down, and lower roller base 9 is around roller seat pivot;The upper roller seat 7 of multiple roll resistance straightening unit passes through A set of upper roller seat lift adjustment hydraulic cylinder 8 controls the movement of roller box vertical direction, realizes fast when the positioning of roller box operating position, excessively weld seam Lifted when speed opening and roll change;The lower roller base 9 of multiple roll resistance straightening unit passes through two sets of lower roller base oscillation adjustment turbine lifts 11 realize that cornerite adjusts, and control the descending bending straightening gradually to successively decrease of strip 10, and regulation angle has encoder control;Originally set Five slewing rollers 4 of standby configuration, position is fixed, and diameter is identical, contacts strip during work, end to end two control strip operation sides To middle three coordinate two roller of smoothing roll box 5 work of compound straightening machine;The bending roll box 2 and smoothing roll box 5 of straightening unit Be respectively provided with triple roller systems, be working roll, intermediate calender rolls and support roller composition, a specially working roll, two intermediate calender rolls and Three support rollers, diameter Relationship are:Intermediate calender rolls≤working roll < support rollers, roller material are bearing steel and added through Overheating Treatment Work;Multiple roll resistance straightening unit is respectively provided with three row's roller systems, is working roll, intermediate calender rolls and support roller composition, and upper roller seat 7 is specially odd number Root working roll, even number root intermediate calender rolls and odd number root support roller;The specially even number root working roll of lower roller base 9, odd number root intermediate calender rolls And even number root support roller.Diameter Relationship is:Working roll≤intermediate calender rolls < support rollers, roller material be bearing steel and through overheat at Reason processing;Bending roll box 2 and smoothing roll box 5 can be realized by the roll change buggy of Driven by Hydraulic Cylinder one, it is multiple or whole Roller box is pulled out and promoted, and upper roller box 7 can be overturn on dolly, facilitate roll change;Multiple roll resistance straightening unit can be driven by hydraulic cylinder Dynamic roll change buggy is realized overall pull-out and promoted, and facilitates roll change.

Embodiment 2:

On the basis of embodiment 1, the number of straightening unit and the working roll of multiple roll resistance straightening unit is changed, for Straightening unit, two pairs of bending roll boxes are set to work, a smoothing roll box job, another smoothing roll box is standby,;Rectified for multiple roll Straight unit, all rollers work aligning.

Embodiment 3:

On the basis of embodiment 1, the number of straightening unit and the working roll of multiple roll resistance straightening unit is changed, for Straightening unit, the work of a pair of curved roller box is set, a smoothing roll box works, and another smoothing roll box is standby;Rectified for multiple roll Straight unit, all rollers work aligning.

Embodiment 4:

On the basis of embodiment 1, the number of straightening unit and the working roll of multiple roll resistance straightening unit is changed, for Straightening unit, two pairs of bending roll boxes are set to work, two smoothing roll box work;For multiple roll resistance straightening unit, odd number roller carries out work Align.

The right model described above for being only the Application Example of the present invention, the present invention can not being limited with this certainly Enclose, therefore the equivalence changes made according to scope of the present invention patent, still belong to protection scope of the present invention.

Claims (7)

1. chill strip compound straightening machine, unit process section is arranged on, including organic frame and rectified installed in the compound of machine frame inside Straight unit, compound straightening unit include straightening unit, multiple roll resistance straightening unit, roller system, roller system regulating system, the fast open system of roller system with And roll change buggy, it is characterised in that 5 slewing rollers, straightening unit, the distribution of multiple roll resistance straightening unit are also equipped with described frame In interval between slewing rollers;Wherein described straightening unit includes two pairs of bending rolls and two smoothing rolls, and every a pair curved Curved roll includes lower roll and upper roller, is distributed in pairs between first and second slewing rollers, smoothing roll is individually respectively distributed to second, In two intervals that third and fourth slewing rollers are formed, two smoothing rolls one are that upper roller one is lower roll, respectively positioned at strip Upper and lower both sides;Described multiple roll resistance straightening unit is distributed between the 4th and the 5th slewing rollers;Described bending roll and smoothing roll, It is that lower roll first contacts strip in strip advance route, strip is contacted after upper roller, described multiple roll resistance straightening unit is configured on one Roller seat and a lower roller base, upper roller seat can move up and down, lower roller base around roller seat pivot, described multiple roll resistance straightening unit Upper roller seat controls roller box vertical direction to move by 1 set of hydraulic cylinder, is quickly opened when realizing the positioning of roller box operating position, crossing weld seam And lifted during roll change, the lower roller base of described multiple roll resistance straightening unit realizes that cornerite adjusts by 2 sets of worm gear lifts, controls band The descending bending straightening gradually to successively decrease of steel, worm gear lift are controlled by encoder.
2. chill strip compound straightening machine according to claim 1, it is characterised in that the bending roll of described straightening unit Upper roller be furnished with upper bending roll box, upper bending roll box controls roller box vertical direction to move by 1 set of hydraulic cylinder, realizes that roller box works Position positioning, quick when crossing weld seam open and lift during roll change;The lower roll of the bending roll of described straightening unit is curved under being furnished with Curved roll box, lower bending roll box realize that roller box compression distance is adjusted by 1 set of worm gear lift, and worm gear lift is by encoder control System;The smoothing roll of described straightening unit is configured with smoothing roll box, and smoothing roll box connects 1 set of worm gear lift and realizes that roller box is pressed into Depth adjustment, worm gear lift are controlled by encoder.
3. chill strip compound straightening machine according to claim 1, it is characterised in that 5 described slewing rollers, position are solid Fixed, diameter is identical, contacts strip during work, end to end 2 control strip traffic directions, and middle 3 coordinate straightening unit and more Roller resistance straightening unit works.
4. chill strip compound straightening machine according to claim 1, it is characterised in that described bending roll and smoothing roll, 3 heavy roller systems are respectively provided with, are working roll, intermediate calender rolls and support roller composition, specially 1 working roll, 2 intermediate calender rolls and 3 Support roller, diameter Relationship are:Intermediate calender rolls≤working roll < support rollers, roller material are bearing steel and pass through heat treatment process.
5. chill strip compound straightening machine according to claim 1, it is characterised in that described multiple roll resistance straightening unit it is every One group of working roll is respectively provided with 3 row's roller systems, is working roll, intermediate calender rolls and support roller composition, and upper roller seat is specially the work of odd number root Roller, even number root intermediate calender rolls and odd number root support roller;Lower roller base is specially even number root working roll, odd number root intermediate calender rolls and even number Root support roller;Diameter Relationship is:Working roll≤intermediate calender rolls < support rollers, roller material are bearing steel and pass through heat treatment process.
6. chill strip compound straightening machine according to claim 2, it is characterised in that described upper bending roll box, under it is curved Curved roll box and smoothing roll box can realize one by the roll change buggy of Driven by Hydraulic Cylinder, multiple or whole roller boxes pull out and push away Enter, upper bending roll box can be overturn on dolly, facilitate roll change.
7. chill strip compound straightening machine according to claim 1, it is characterised in that described multiple roll resistance straightening unit can be with Overall pull-out is realized by the roll change buggy of Driven by Hydraulic Cylinder and promoted, facilitates roll change.
CN201510878053.8A 2015-12-04 2015-12-04 Chill strip compound straightening machine CN105290110B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510878053.8A CN105290110B (en) 2015-12-04 2015-12-04 Chill strip compound straightening machine

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Application Number Priority Date Filing Date Title
CN201510878053.8A CN105290110B (en) 2015-12-04 2015-12-04 Chill strip compound straightening machine

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CN105290110B true CN105290110B (en) 2018-03-13

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016106208A1 (en) * 2016-04-05 2017-10-05 Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh Method for stretch bending of a strip
CN105772509B (en) * 2016-04-29 2017-12-05 北京科技大学 A kind of hot-rolling metal composite plate pre-straightening roller system
CN106270013B (en) * 2016-08-10 2019-03-29 北京科技大学 A kind of profile dynamic draught straightener and method
CN106238508A (en) * 2016-08-11 2016-12-21 天津市恒兴冶金机械制造有限公司 A kind of Novel tension leveler
CN107649539B (en) * 2017-06-09 2019-04-30 襄阳博亚精工机器有限公司 Combined straightening machine
CN107470394B (en) * 2017-06-28 2019-09-10 柳州钢铁股份有限公司 Cold rolling rewinding unit eliminates withdrawal straightening machine static bending cross break impression method

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Publication number Priority date Publication date Assignee Title
US7185519B2 (en) * 2003-09-15 2007-03-06 The Bradbury Company, Inc. Methods and apparatus for monitoring and conditioning strip material
DE102010024714C5 (en) * 2010-06-23 2018-10-18 Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh Method for stretch bending of metal strips and stretch bending plant
CN202070605U (en) * 2010-12-31 2011-12-14 中冶连铸技术工程股份有限公司 Small roll-diameter multi-roll straightener
CN102357581A (en) * 2011-09-23 2012-02-22 中冶南方工程技术有限公司 Strip stretch bending leveller
CN203030626U (en) * 2012-12-14 2013-07-03 肇庆宏旺金属实业有限公司 Rewinding device
DE102013106243C5 (en) * 2013-06-14 2018-10-04 Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh Method and device for stretch bending of metal strips

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