CN106140814B - The big-and-middle reversible big mill of proximate matter Stand Mill - Google Patents
The big-and-middle reversible big mill of proximate matter Stand Mill Download PDFInfo
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- CN106140814B CN106140814B CN201610654289.8A CN201610654289A CN106140814B CN 106140814 B CN106140814 B CN 106140814B CN 201610654289 A CN201610654289 A CN 201610654289A CN 106140814 B CN106140814 B CN 106140814B
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- mill
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-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
- B21B1/22—Metal-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
- B21B1/30—Metal-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
- B21B1/32—Metal-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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The present invention discloses a kind of big-and-middle reversible big mill of proximate matter Stand Mill, mainly for the big mill production line distance under the prior art, big mill area equipment quantity is more, weight weight, electrical installed capacity is big, the big problem of rolled piece temperature drop, propose the big-and-middle reversible big mill of proximate matter Stand Mill that is a kind of energy saving and saving engineering construction investment, including roller-way after coaxial line the blooming mill front roller-way, Stand Mill big mill and the blooming mill that set gradually；The Stand Mill big mill includes the first reversible blooming mill and the second reversible blooming mill being continuously arranged, and the roll pass of the 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 proximate matter steel rolling production-line length, main building construction area is reduced, big mill region process equipment quantity, weight and electrical installed capacity is reduced, reduces rolled piece temperature drop, it is energy saving, save engineering construction investment.
Description
Technical field
The present invention relates to field of metallurgy, particularly relate to a kind of big-and-middle proximate matter big mill.
Background technology
For big-and-middle proximate matter steel rolling production-line according to its production scale, product cross section complexity, 1~2 frame, two roller can be arranged can
Inverse big mill carries out reciprocal reversible multi- pass rolling to rectangle or special-shaped section continuous casting billet, is rolled among suitable cross-section
Blank, then fed downstream milling train are finally rolled into qualified finished section bar.
Production scale is little and product cross section is relatively easy, usually 1 frame two-roller reversible big mill of setting, before big mill
Manipulator and hook-type lifting finger are set afterwards, for guiding rolled piece to enter correctly into pass, carry out double steel operation, rectangle or different when necessary
Type section continuous casting billet is carried out on two-roller reversible big mill after 5~9 passes (at most 11 passages of rolling), and fed downstream is rolled
Machine continues to roll, until rolling into qualified finished section bar.When production scale is larger or product cross section is complicated, to meet production capacity
It is required that the two-roller reversible big mill that 2 framves track cloth chess/tandem arrangement, every frame is arranged in existing big-and-middle proximate matter Rolling production technology
It is respectively provided with manipulator and hook-type lifting finger before and after big mill, for guiding rolled piece to enter correctly into pass, carries out double steel when necessary
Operation, rectangle or special-shaped section continuous casting billet first roll (the at most rolling 9 of 5~7 passages on No. 1 two-roller reversible big mill
It is secondary), then 3~5 passages are rolled on No. 2 two-roller reversible big mills, fed downstream milling train continues to roll later, until rolling into conjunction
Lattice finished section bar.
2 frame two-roller reversible big mills track cloth chess/tandem arrangement, though meet big-and-middle proximate matter Rolling production ability and production
Product section complexity requirement, but lead to big-and-middle proximate matter steel rolling production-line distance, big mill area equipment quantity is more, weight
Weight, electrical installed capacity is big, and rolled piece temperature drop is big, requires heating furnace tapping temperature high, increase energy consumption and production thin-walled rule
Series of defect and the deficiencies such as lattice product difficulty.
Invention content
In view of the above-mentioned problems, the present invention provides big-and-middle proximate matter Stand Mill that is a kind of energy saving and saving engineering construction investment
Reversible big mill.
In order to achieve the above objectives, the big-and-middle reversible big mill of proximate matter Stand Mill of the present invention, including coaxial line are set gradually
Roller-way after blooming mill front roller-way, Stand Mill big mill and blooming mill；The Stand Mill big mill includes be continuously arranged
The roll pass of one reversible blooming mill and the second reversible blooming mill, the first and second reversible blooming mill is coaxially set.
Further, the blooming mill front roller-way include can before the blooming mill in front of the Stand Mill big mill is set
Against work roll table and extension roller table before the blooming mill before the blooming mill in front of reversible working roller-way is set；After the blooming mill
Roller-way includes that reversible working roller-way is arranged after the blooming mill at the big mill rear and is arranged reversible after the blooming mill
Extension roller table after the blooming mill at work roll table rear.
Further, the side of reversible working roller-way is provided with the first manipulator before the blooming mill, can after the blooming mill
The side of inverse work roll table is provided with the second manipulator.
Further, pushing away on one side for first and second manipulator is provided with hook-type lifting finger on steel toe.
Further, the hook-type lifting finger includes being arranged in the elevating mechanism for pushing away steel toe front end and being arranged in elevator
Tilting finger on structure.
Further, each roll of the described first and second reversible blooming mill is mounted on rack board by bearing and bearing block
On mill.
The big-and-middle reversible big mill of proximate matter Stand Mill of the present invention has used 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, 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 are directly entered second from the roll pass of the first reversible blooming mill and reversible open
In the roll pass of base machine, after steel billet completes primary round-trip action, the rolling of 4 passages is actually completed.This hair
The bright reversible big mill equipment of big-and-middle proximate matter Stand Mill is simple, and cogging area equipment is rationally distributed, substantially reduces big-and-middle proximate matter
Rolling production line length reduces main building construction area, reduces big mill region process equipment quantity, weight and electrical installation
Capacity reduces rolled piece temperature drop, energy saving, saves engineering construction investment.The big-and-middle reversible big mill of proximate matter Stand Mill of the present invention
Both production efficiency is improved, thin-walled specification product range has also been expanded.
Description of the drawings
Fig. 1 is the floor plan of the reversible big mill of the big-and-middle proximate matter of 2 framves under the prior art；
Fig. 2 is the floor plan of the big-and-middle reversible big mill of proximate matter Stand Mill of the present invention.
Specific implementation mode
The present invention will be further described with reference to the accompanying drawings of the specification.
As shown in Figure 1,2 frame two-roller reversible big mills of the existing big-and-middle reversible big mill of proximate matter Stand Mill are in tracking
Cloth chess/tandem arrangement, 4 front of the first big mill are provided with the first blooming mill front mill table 2, 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
Preceding manipulator and hook-type lifting finger 3,4 rear of the first big mill are provided with the first cogging back 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 cogging back mill table 6
It is provided with manipulator and hook-type lifting finger 5 after the first blooming mill；
The front of second big mill 12 is provided with the second blooming mill front mill table 10, before 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 11,12 rear of the second big mill are provided with the second cogging back mill table 14, and described second
The rear of cogging back mill table 14 is provided with extension roller table 15 after the second blooming mill, the second cogging back mill table 14
Side is provided with manipulator and hook-type lifting finger 13 after the second blooming mill；
Wherein, after the first blooming mill before extension roller table 7 and the second blooming mill lateral machine for moving steel is provided between extension roller table 9
8。
Though this arrangement meets big-and-middle proximate matter Rolling production ability and the requirement of product cross section complexity, cause big-and-middle
Proximate matter steel rolling production-line distance, big mill area equipment quantity is more, weight weight, and electrical installed capacity is big, and rolled piece temperature drop is big,
High, series of defect and the deficiency such as increase energy consumption and production thin-walled specification product difficulty are required heating furnace tapping temperature.
Embodiment 1
As shown in Fig. 2, the present embodiment provides a kind of big-and-middle reversible big mill of proximate matter Stand Mill, including coaxial line is set successively
Roller-way after blooming mill front roller-way, Stand Mill big mill and the blooming mill set；The Stand Mill big mill includes continuous setting
The first reversible blooming mill 24 and the second reversible blooming mill 212, the roll pass coaxial line of the first and second reversible blooming mill sets
It sets.
The big-and-middle reversible big mill of proximate matter Stand Mill of the present embodiment has used 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 used as second
The end of the pass aligning device of reversible blooming mill 212, steel billet is directly entered from the roll pass of the first reversible blooming mill 24
In the roll pass of second reversible blooming mill 212, after steel billet completes primary round-trip action, 4 roads are actually completed
Secondary rolling.The reversible big mill equipment of the big-and-middle proximate matter Stand Mill of the present embodiment is simple, and cogging area equipment is rationally distributed, significantly
Shorten big-and-middle proximate matter steel rolling production-line length, reduce main building construction area, reduce big mill region process equipment quantity,
Weight and electrical installed capacity reduce rolled piece temperature drop, energy saving, save engineering construction investment.The big-and-middle proximate matter of the present embodiment is double
The reversible big mill of rack both improves production efficiency, has also expanded thin-walled specification product range.
Embodiment 2
On the basis of the above embodiments, the blooming mill front roller-way includes being arranged in front of the Stand Mill big mill
Blooming mill before reversible working roller-way 22 and extend before the blooming mill in the front of reversible working roller-way 22 is set before the blooming mill
Roller-way 21；Roller-way includes that 214 He of reversible working roller-way after the blooming mill at the big mill rear is arranged after the blooming mill
Extension roller table 215 after the blooming mill at 214 rear of reversible working roller-way is set after the blooming mill.
Reversible roller-way is arranged in the present embodiment before and after Stand Mill big mill, in order to steel billet after completing primary rolling energy
It is enough to return, it is smoothed out and rolls next time, and extension roller table is to steel billet be smoothly transported to subsequent processing or by steel billet
Smoothly come from the conveying of a upper process.
Embodiment 3
On the basis of the above embodiments, the side of reversible working roller-way is provided with the first manipulator 23 before the blooming mill,
The side of reversible working roller-way is provided with the second manipulator 213 after the blooming mill.First and second manipulator pushes away on steel toe on one side
It is provided with hook-type lifting finger.The hook-type lifting finger includes being arranged lifting in the elevating mechanism and setting for pushing away steel toe front end
Tilting finger in mechanism.
Manipulator and lifting finger is arranged in the side of reversible working roller-way in the present embodiment, can adjust steel billet in time in this way
Position and direction can ensure in the roll pass that steel billet enters correctly into the reversible blooming mill of the first or second 24/212 in time.
Embodiment 4
The principle of the present embodiment and operation are described below：
It transports to the rectangle or special-shaped section continuous casting billet on the first reversible big mill front mill table, through the first manipulator 23
Guide correct centering pass, the first and second reversible big mill adjusts mill roll-gap by presetting drafts, reversible work before blooming mill
Make roller-way 22, the first and second reversible big mill Positive work, rectangle or special-shaped section continuous casting billet are sent into first and second and reversible opened
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, the second manipulator 213 draws
The correct centering pass of rolled piece is led, carries out double steel operation when necessary, second, one reversible big mill presses presetting drafts tune later
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 correct centering pass is guided through the first manipulator 23, double steel operation is carried out when necessary, is adjusted again by presetting drafts later
Whole first and second reversible big mill roll gap, the first big mill front mill table, the first and second reversible big mill Positive work,
5th, the 6th passage tandem rolling is carried out to rolled piece, is so moved in circles, until rectangle or special-shaped section continuous casting billet milling are cut at suitable
The intermediate 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
Manipulator and hook-type lifting finger are respectively set after reversible big mill, cancel former 2 framves tracking cloth chess/tandem arrangement 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 proximate matter steel rolling production-line length, reduces main building construction area, reduces big mill region technique
Number of devices, weight and electrical installed capacity reduce rolled piece temperature drop, energy saving, save engineering construction investment.With it is existing big-and-middle
The two-roller reversible big mill of 2 frame of proximate matter Rolling production technology tracking cloth chess/tandem arrangement is compared, and both improves production efficiency, also
Thin-walled specification product range is expanded.
More than, only presently preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with sheet
In the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in should all be covered those skilled in the art
Within protection scope of the present invention.Therefore, the scope of protection of the present invention shall be subject to the scope of protection defined by the claims.
Claims (4)
1. a kind of big-and-middle reversible big mill of proximate matter Stand Mill, it is characterised in that：Before the blooming mill set gradually including coaxial line
Roller-way after roller-way, Stand Mill big mill and blooming mill；The Stand Mill big mill includes that first be continuously arranged reversible opens
The roll pass of base machine and the second reversible blooming mill, the first and second reversible blooming mill is coaxially set；
The blooming mill front roller-way include before the blooming mill in front of the Stand Mill big mill is set reversible working roller-way and
Extension roller table before blooming mill before the blooming mill in front of reversible working roller-way is set；Roller-way includes setting after the blooming mill
Reversible working roller-way and setting the reversible working roller-way rear after the blooming mill after the blooming mill at the big mill rear
Blooming mill after extension roller table.
The side of reversible working roller-way is provided with the first manipulator before the blooming mill, the side of reversible working roller-way after the blooming mill
Face is provided with the second manipulator.
2. the big-and-middle reversible big mill of proximate matter Stand Mill as described in claim 1, it is characterised in that：First and second manipulator
It pushes away on one side and is provided with hook-type lifting finger on steel toe.
3. the big-and-middle reversible big mill of proximate matter Stand Mill as claimed in claim 2, it is characterised in that：The hook-type lifting finger packet
It includes and is arranged in the elevating mechanism for pushing away steel toe front end and the tilting finger being arranged on elevating mechanism.
4. the big-and-middle reversible big mill of proximate matter Stand Mill as described in claim 1, it is characterised in that：Described first and second reversible opens
Each roll of base machine is mounted on by bearing and bearing block on framework memorial archway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610654289.8A CN106140814B (en) | 2016-08-10 | 2016-08-10 | The big-and-middle reversible big mill of proximate matter Stand Mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610654289.8A CN106140814B (en) | 2016-08-10 | 2016-08-10 | The big-and-middle reversible big mill of proximate matter Stand Mill |
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| Publication Number | Publication Date |
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| CN106140814A CN106140814A (en) | 2016-11-23 |
| CN106140814B true CN106140814B (en) | 2018-08-28 |
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| CN201610654289.8A Active CN106140814B (en) | 2016-08-10 | 2016-08-10 | The big-and-middle reversible big mill of proximate matter Stand Mill |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107199242B (en) * | 2017-06-27 | 2023-06-16 | 中冶华天工程技术有限公司 | Large-scale steel rolling production system and method |
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| 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 |
-
2016
- 2016-08-10 CN CN201610654289.8A patent/CN106140814B/en active Active
Patent Citations (7)
| 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 |
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| CN106140814A (en) | 2016-11-23 |
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