CN106140814A - The big-and-middle reversible big mill of section bar Stand Mill - Google Patents

The big-and-middle reversible big mill of section bar Stand Mill Download PDF

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Publication number
CN106140814A
CN106140814A CN201610654289.8A CN201610654289A CN106140814A CN 106140814 A CN106140814 A CN 106140814A CN 201610654289 A CN201610654289 A CN 201610654289A CN 106140814 A CN106140814 A CN 106140814A
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CN
China
Prior art keywords
mill
big
reversible
blooming
section bar
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CN201610654289.8A
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CN106140814B (en
Inventor
孙建国
蒲春雷
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Huatian Engineering and Technology Corp MCC
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Huatian Engineering and Technology Corp MCC
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Priority to CN201610654289.8A priority Critical patent/CN106140814B/en
Publication of CN106140814A publication Critical patent/CN106140814A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/30Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
    • B21B1/32Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work

Abstract

The present invention discloses a kind of big-and-middle reversible big mill of section bar Stand Mill, mainly for the big mill production line distance under prior art, big mill area equipment quantity is many, Heavy Weight, electrically installed capacity is big, the problem that rolled piece temperature drop is big, propose a kind of big-and-middle reversible big mill of section bar Stand Mill saved the energy and save engineering construction investment, including roller-way after blooming mill front roller-way, Stand Mill big mill and blooming mill that coaxial line sets gradually;Described Stand Mill big mill includes the first reversible blooming mill and the second reversible blooming mill arranged continuously, and the roll pass of described first and second reversible blooming mill is coaxially set.Present device is simple, and cogging area equipment is rationally distributed, substantially reduces big-and-middle section bar steel rolling production-line length, reduce main building construction area, reduce big mill region process equipment quantity, weight and electrically installed capacity, reduce rolled piece temperature drop, save the energy, save engineering construction investment.

Description

The big-and-middle reversible big mill of section bar Stand Mill
Technical field
The present invention relates to field of metallurgy, particularly relate to a kind of big-and-middle section bar big mill.
Background technology
Big-and-middle section bar steel rolling production-line is according to its production scale, product cross section complexity, and can arrange 1~2 frame two rollers can Inverse big mill, carries out reciprocal reversible multi-pass rolling to rectangle or special-shaped section continuous casting billet, is rolled in the middle of suitable cross-section Blank, then fed downstream milling train is finally rolled into qualified finished section bar.
Production scale is little and product cross section is relatively easy, generally arranges 1 frame two-roller reversible big mill, before big mill After manipulator and hook-type lifting finger are set, be used for guiding rolled piece to enter correctly into pass, carry out turning over steel operation, rectangle or different if desired After type section continuous casting billet carries out 5~9 passes on two-roller reversible big mill (at most rolling 11 passages), fed downstream is rolled Machine continues rolling, until rolling into qualified finished section bar.When production scale is relatively big or during product cross section complexity, for meeting production capacity Requirement, existing big-and-middle section bar Rolling production technology arranges 2 framves and follows the tracks of the two-roller reversible big mill that cloth chess/tandem is arranged, every frame It is respectively provided with manipulator and hook-type lifting finger before and after big mill, is used for guiding rolled piece to enter correctly into pass, carry out if desired turning over steel Operation, rectangle or special-shaped section continuous casting billet first roll 5~7 passages (at most rolling 9 roads on No. 1 two-roller reversible big mill Secondary), then on No. 2 two-roller reversible big mills, roll 3~5 passages, fed downstream milling train continues rolling afterwards, until rolling into conjunction Lattice finished section bar.
2 frame two-roller reversible big mills are followed the tracks of cloth chess/tandem and are arranged, though meeting big-and-middle section bar Rolling production ability and product The complexity requirement of product cross section, but cause big-and-middle section bar steel rolling production-line distance, big mill area equipment quantity is many, weight Weight, electric installed capacity is big, and rolled piece temperature drop is big, and heating furnace tapping temperature is required height, increases energy resource consumption and produces thin-walled rule Series of defect and the deficiencies such as lattice product difficulty.
Summary of the invention
For the problems referred to above, the present invention provides a kind of big-and-middle section bar Stand Mill saved the energy and save engineering construction investment Reversible big mill.
For reaching above-mentioned purpose, the present invention big-and-middle section bar reversible big mill of Stand Mill, set gradually including coaxial line Roller-way after blooming mill front roller-way, Stand Mill big mill and blooming mill;Described Stand Mill big mill includes arranged continuously One reversible blooming mill and the second reversible blooming mill, the roll pass of described first and second reversible blooming mill is coaxially set.
Further, described blooming mill front roller-way can before including being arranged on the blooming mill in described Stand Mill big mill front Inverse work roll table and extension roller table before the blooming mill in reversible working roller-way front before being arranged on described blooming mill;After described blooming mill Roller-way include being arranged on the blooming mill at described big mill rear after reversible working roller-way and reversible after being arranged on described blooming mill Extension roller table after the blooming mill at work roll table rear.
Further, before described blooming mill, the side of reversible working roller-way is provided with the first manipulator, can after described blooming mill The side of inverse work roll table is provided with the second manipulator.
Further, pushing away of described first and second manipulator is provided with hook-type lifting finger on steel toe.
Further, described hook-type lifting finger includes being arranged on the elevating mechanism pushing away steel toe front end and being arranged on elevator Tilting finger on structure.
Further, each roll of described first and second reversible blooming mill is all arranged on frame board by bearing and bearing block On mill.
The present invention big-and-middle section bar reversible big mill of Stand Mill employs the reversible blooming mill of Stand Mill, makes the first reversible cogging Machine and the second reversible blooming mill form the effect of tandem rolling, and meanwhile, the pass of the first reversible blooming mill can also be reversible as second The pass aligning device of blooming mill, the end of steel billet is directly entered second from the roll pass of the first reversible blooming mill and reversible opens In the roll pass of base machine, after steel billet completes once to come and go action, actually complete the rolling of 4 passages.This Bright big-and-middle section bar Stand Mill reversible big mill equipment is simple, and cogging area equipment is rationally distributed, substantially reduces big-and-middle section bar Rolling production line length, reduces main building construction area, reduces big mill region process equipment quantity, weight and electrically installs Capacity, reduces rolled piece temperature drop, saves the energy, saves engineering construction investment.The present invention big-and-middle section bar reversible big mill of Stand Mill Both improve production efficiency, also expand thin-walled specification product scope.
Accompanying drawing explanation
Fig. 1 is the site plan of the 2 frame reversible big mill of big-and-middle section bar under prior art;
Fig. 2 is the site plan of the present invention big-and-middle section bar reversible big mill of Stand Mill.
Detailed description of the invention
Below in conjunction with Figure of description, the present invention will be further described.
As it is shown in figure 1,2 frame two-roller reversible big mills of the existing big-and-middle reversible big mill of section bar Stand Mill are tracking Cloth chess/tandem is arranged, the first big mill 4 front is provided with the first blooming mill front mill table 2, described first work roll table 2 Front be provided with extension roller table 1 before the first blooming mill, the side of the first blooming mill front mill table 2 is provided with the first blooming mill Front manipulator and hook-type lifting finger 3, the first big mill 4 rear is provided with the first blooming mill rear mill table 6, and described first opens The rear of base back mill table 6 is provided with extension roller table 7 after the first blooming mill, the side of the first blooming mill rear mill table 6 It is provided with manipulator and hook-type lifting finger 5 after the first blooming mill;
Second big mill 12 front is provided with the second blooming mill front mill table 10, before described second work roll table 10 Side is provided with extension roller table 9 before the second blooming mill, before the side of the second blooming mill front mill table 10 is provided with the second blooming mill Manipulator and hook-type lifting finger 11, the second big mill 12 rear is provided with the second blooming mill rear mill table 14, and described second The rear of blooming mill rear mill table 14 is provided with extension roller table 15 after the second blooming mill, the second blooming mill rear mill table 14 Side is provided with manipulator and hook-type lifting finger 13 after the second blooming mill;
Wherein, it is provided with horizontal machine for moving steel between extension roller table 9 before extension roller table 7 and the second blooming mill after the first blooming mill 8。
Though this layout meets big-and-middle section bar Rolling production ability and product cross section complexity requirement, but causes big-and-middle Section bar steel rolling production-line distance, big mill area equipment quantity is many, Heavy Weight, and electric installed capacity is big, and rolled piece temperature drop is big, Heating furnace tapping temperature is required height, increases energy resource consumption and produce series of defect and the deficiencies such as thin-walled specification product difficulty.
Embodiment 1
As in figure 2 it is shown, the present embodiment provides a kind of big-and-middle reversible big mill of section bar Stand Mill, set successively including coaxial line Roller-way after blooming mill front roller-way, Stand Mill big mill and the blooming mill put;Described Stand Mill big mill includes arranging continuously The first reversible blooming mill 24 and the second reversible blooming mill 212, the roll pass coaxial line of described first and second reversible blooming mill sets Put.
The present embodiment big-and-middle section bar reversible big mill of Stand Mill employs Stand Mill blooming mill, makes the first reversible blooming mill 24 and second reversible blooming mill 212 form the effect of tandem rolling, meanwhile, the pass of the first reversible blooming mill 24 can also be as second The pass aligning device of reversible blooming mill 212, the end of steel billet is directly entered from the roll pass of the first reversible blooming mill 24 In the roll pass of the second reversible blooming mill 212, after steel billet completes once to come and go action, actually complete 4 roads Secondary rolling.The present embodiment big-and-middle section bar Stand Mill reversible big mill equipment is simple, and cogging area equipment is rationally distributed, significantly Shorten big-and-middle section bar steel rolling production-line length, reduce main building construction area, reduce big mill region process equipment quantity, Weight and electric installed capacity, reduce rolled piece temperature drop, saves the energy, saves engineering construction investment.The big-and-middle section bar of the present embodiment is double The reversible big mill of frame had both improved production efficiency, had also expanded thin-walled specification product scope.
Embodiment 2
On the basis of above-described embodiment, described blooming mill front roller-way includes being arranged on described Stand Mill big mill front Blooming mill before reversible working roller-way 22 and extending before the blooming mill in reversible working roller-way 22 front before being arranged on described blooming mill Roller-way 21;Reversible working roller-way 214 He after roller-way includes being arranged on the blooming mill at described big mill rear after described blooming mill It is arranged on after described blooming mill extension roller table 215 after the blooming mill at reversible working roller-way 214 rear.
The present embodiment arranges reversible roller-way before and after Stand Mill big mill, in order to steel billet is energy after completing once to roll Enough returns, are smoothed out rolling next time, and extension roller table are to steel billet be transported to subsequent processing smoothly or by steel billet Come from a upper operation conveying smoothly.
Embodiment 3
On the basis of above-described embodiment, before described blooming mill, the side of reversible working roller-way is provided with the first manipulator 23, After described blooming mill, the side of reversible working roller-way is provided with the second manipulator 213.Described first and second manipulator while pushing away on steel toe It is provided with hook-type lifting finger.Described hook-type lifting finger includes being arranged on the elevating mechanism pushing away steel toe front end and being arranged on lifting Tilting finger in mechanism.
The present embodiment arranges manipulator and lifting finger in the side of reversible working roller-way, so can adjust steel billet in time Position and direction, it is possible to ensure in the roll pass that steel billet enters correctly into the first or second reversible blooming mill 24/212 in time.
Embodiment 4
Principle and the operation of the present embodiment are described below:
Transport the rectangle on the first reversible big mill front mill table or special-shaped section continuous casting billet, through the first manipulator 23 Guiding correct centering pass, first and second reversible big mill adjusts mill roll-gap, reversible work before blooming mill by presetting drafts Make the operating of roller-way 22, first and second reversible big mill forward, rectangle or special-shaped section continuous casting billet are sent into first and second and reversible opens Steel mill carries out the 1st, the 2nd passage tandem rolling, rolls rear rolled piece off-position reversible working roller-way 214 after blooming mill, and the second manipulator 213 draws Leading rolled piece correct centering pass, carry out if desired turning over steel operation, second, one reversible big mill is adjusted by presetting drafts afterwards Whole mill roll-gap, the second reversible big mill rear mill table, second, one reversible big mill antiport, rolled piece is sent into The second, one reversible big mill carries out the 3rd, the 4th passage tandem rolling, rolls rear rolled piece off-position working roll before the first reversible big mill Road, then guide correct centering pass through the first manipulator 23, carry out if desired turning over steel operation, again adjust by presetting drafts afterwards Whole first and second reversible big mill roll gap, the first big mill front mill table, first and second reversible big mill forward operating, Rolled piece is carried out the 5th, the 6th passage tandem rolling, so move in circles, cut until rectangle or special-shaped section continuous casting billet milling are become suitable The middle blank in face.
The two frame two-roller reversible big mills of the present embodiment form continuous rolling relationship, before the first reversible big mill, second Being respectively provided with manipulator and hook-type lifting finger after reversible big mill, cancel that former 2 framves follow the tracks of that cloth chesses/tandem arrange first is reversible Manipulator, hook-type lifting finger, work roll table and extension roller table after big mill and before the second reversible big mill.This technology Scheme substantially reduces big-and-middle section bar steel rolling production-line length, reduces main building construction area, reduces big mill region technique Number of devices, weight and electrically installed capacity, reduce rolled piece temperature drop, saves the energy, saves engineering construction investment.Big-and-middle with existing Section bar Rolling production technology 2 frame is followed the tracks of the two-roller reversible big mill of cloth chess/tandem layout and is compared, and has both improved production efficiency, also Expand thin-walled specification product scope.
Above, only presently preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto, any it is familiar with basis Those skilled in the art in the technical scope that the invention discloses, the change that can readily occur in or replacement, all should contain Within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claim is defined.

Claims (6)

1. the one kind big-and-middle reversible big mill of section bar Stand Mill, it is characterised in that: before including the blooming mill that coaxial line sets gradually Roller-way after roller-way, Stand Mill big mill and blooming mill;Described Stand Mill big mill includes that arrange continuously first reversible opens Base machine and the second reversible blooming mill, the roll pass of described first and second reversible blooming mill is coaxially set.
The big-and-middle reversible big mill of section bar Stand Mill the most as claimed in claim 1, it is characterised in that: described blooming mill front roller-way bag Before including before being arranged on the blooming mill in described Stand Mill big mill front reversible working roller-way and being arranged on described blooming mill reversible Extension roller table before the blooming mill in work roll table front;After described blooming mill, roller-way includes being arranged on opening of described big mill rear Reversible working roller-way and be arranged on after described blooming mill extension roller table after the blooming mill at reversible working roller-way rear after base machine.
The big-and-middle reversible big mill of section bar Stand Mill the most as claimed in claim 2, it is characterised in that: reversible work before described blooming mill The side making roller-way is provided with the first manipulator, and after described blooming mill, the side of reversible working roller-way is provided with the second manipulator.
The big-and-middle reversible big mill of section bar Stand Mill the most as claimed in claim 3, it is characterised in that: described first and second manipulator Hook-type lifting finger it is provided with on steel toe while pushing away.
The big-and-middle reversible big mill of section bar Stand Mill the most as claimed in claim 4, it is characterised in that: described hook-type lifting finger bag Include and be arranged on the elevating mechanism pushing away steel toe front end and the tilting finger being arranged on elevating mechanism.
The big-and-middle reversible big mill of section bar Stand Mill the most as claimed in claim 1, it is characterised in that: described first and second reversible opens Each roll of base machine is all arranged on framework memorial archway by bearing and bearing block.
CN201610654289.8A 2016-08-10 2016-08-10 The big-and-middle reversible big mill of proximate matter Stand Mill Active CN106140814B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106583444A (en) * 2017-01-22 2017-04-26 北京科技大学 Combined type multi-function experimental rolling mill unit and reversible rolling mill thereof
CN107199242A (en) * 2017-06-27 2017-09-26 中冶华天工程技术有限公司 Heavy section steel rolled steel production system and method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61288916A (en) * 1985-06-14 1986-12-19 Kobe Steel Ltd Cutting method for bar steel billet
US5904061A (en) * 1996-07-13 1999-05-18 Sms Schloemann-Siemag Aktiengesellschaft Method of rolling finished sections from a preliminary section
CN201186285Y (en) * 2008-02-15 2009-01-28 大连华锐股份有限公司 Hot rolling double-machine frame reversible tandem rolling machine group
CN202087575U (en) * 2011-06-01 2011-12-28 中冶赛迪工程技术股份有限公司 Profile steel rolling production line
CN202461106U (en) * 2012-01-11 2012-10-03 中冶东方工程技术有限公司 Section steel rolling unit
CN203448392U (en) * 2013-09-03 2014-02-26 中冶赛迪工程技术股份有限公司 Section steel rolling production line
CN205949471U (en) * 2016-08-10 2017-02-15 中冶华天工程技术有限公司 Reversible getting down mill of big -and -middle section bar duplex frame

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61288916A (en) * 1985-06-14 1986-12-19 Kobe Steel Ltd Cutting method for bar steel billet
US5904061A (en) * 1996-07-13 1999-05-18 Sms Schloemann-Siemag Aktiengesellschaft Method of rolling finished sections from a preliminary section
CN201186285Y (en) * 2008-02-15 2009-01-28 大连华锐股份有限公司 Hot rolling double-machine frame reversible tandem rolling machine group
CN202087575U (en) * 2011-06-01 2011-12-28 中冶赛迪工程技术股份有限公司 Profile steel rolling production line
CN202461106U (en) * 2012-01-11 2012-10-03 中冶东方工程技术有限公司 Section steel rolling unit
CN203448392U (en) * 2013-09-03 2014-02-26 中冶赛迪工程技术股份有限公司 Section steel rolling production line
CN205949471U (en) * 2016-08-10 2017-02-15 中冶华天工程技术有限公司 Reversible getting down mill of big -and -middle section bar duplex frame

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106583444A (en) * 2017-01-22 2017-04-26 北京科技大学 Combined type multi-function experimental rolling mill unit and reversible rolling mill thereof
CN106583444B (en) * 2017-01-22 2018-11-09 北京科技大学 A kind of combined multifunctional experimental mill unit and its reversable mill
CN107199242A (en) * 2017-06-27 2017-09-26 中冶华天工程技术有限公司 Heavy section steel rolled steel production system and method

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