CN103752608A - Magnetic-levitation superconductive rolling mill - Google Patents
Magnetic-levitation superconductive rolling mill Download PDFInfo
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- CN103752608A CN103752608A CN201410043959.3A CN201410043959A CN103752608A CN 103752608 A CN103752608 A CN 103752608A CN 201410043959 A CN201410043959 A CN 201410043959A CN 103752608 A CN103752608 A CN 103752608A
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Abstract
The invention provides a magnetic-levitation superconductive rolling mill and relates to a plate steel and strip steel rolling mill in which the magnetic levitation technique is utilized. The magnetic-levitation superconductive rolling mill comprises a roll compacting platform, a roll compacting mechanism and a steel plate to be rolled running channel. The roll compacting mechanism is installed on the upper portion of the roll compacting platform. The steel plate to be rolled running channel is formed between the roll compacting mechanism and the roll compacting platform. A servo hydraulic device is installed on the upper portion of the roll compacting mechanism. The magnetic-levitation superconductive rolling mill has the advantages that the structure is novel, machining is easy and convenient, cost is reduced, efficiciency is improved, product quality is improved, the service life of the rolling mill is prolonged, and therefore the magnetic-levitation superconductive rolling mill integrates economical efficiency with practicability.
Description
Technical field
Magnetic suspension superconduction milling train of the present invention, relates to a kind of strip mill that uses magnetic levitation technology roll compacting.
Background technology
Strip mill is production equipment common in steel manufacturing enterprise, adopt traditional drawing process by force machinery draw steel rolling, cause that camber, limit wave, middle wave appear in sheet material, the bad problems such as shape, broken belt are offset, waft, cause strip became uneven, product quality poor, after rolling, also need with mechanical straightening, to proofread and correct template again and repeat the problems such as processing, the ultra-thin rolling of sheet material be can not realize, super wide rolling and the superpower rolling of iron and steel of sheet material more can not be realized.
Existing milling train is upper working rolls and lower working rolls roll compacting simultaneously steel plate, milling train has the structures such as bottom working roll, several lower support rolls of lower backing roll, increased the manufacture maintenance cost of equipment, and because the problems such as uneven distribution, wave prying limit appear in the sheet material that makes of the situations such as upper working rolls and lower working rolls distortion; For fear of the generation of these problems, some milling trains have increased backing roll or stationary roll in the both sides of working roll, to prevent the distortion of working roll; This structure is kept away the distortion of unavoidable working roll equally, but also has increased the production maintenance cost of milling train.
The patent No. is for having introduced the floating milling train > > of a kind of < < magnetic in " 200620087866.1 ", on the top of upper backup roll, electromagnetic module has been installed and electromagnetism is depressed module, utilize the repulsive force of the high-intensity magnetic field that magnetic field electromagnet produces, upper lower backing roll and upper working rolls and lower working rolls are evenly pressed down to the application of force, make the body of roll entirety of working roll stressed evenly, thereby solve, to the body of roll, adopt two ends to press down mode in rolling process central roll body unbalance stress, the problem deforming; Although this invention has solved body of roll problem on deformation, still adopt upper working rolls and lower working rolls roller peak roll compacting mode, can not avoid equally that camber, limit wave, middle wave appear in the sheet material of roll compacting place that causes, the bad problems such as shape, broken belt are offset, waft because roller peak misplaces.
For existing problem in above-mentioned existing technology, a kind of novel magnetic suspension superconduction milling train of research and design, is very necessary thereby overcome existing problem in prior art.
Summary of the invention
In view of existing problem in above-mentioned prior art, the object of the invention is a kind of novel magnetic suspension superconduction milling train of research and design.In order to solve, in prior art, exist: because roll compacting technique and calender unreasonable structure cause sheet material after roll compacting, occur camber, limit wave, middle wave, the bad problems such as shape, broken belt are offset, waft.
The present invention utilizes electromagnetic field to determine that track makes to treat the direction high-speed cruising of rolled steel plate (rolled piece) in regulation, advance as the crow flies (any deflection does not occur), the speed(-)up effect that can controllably utilize again electromagnetism to strengthen advances Strip and tapping at a high speed at high speed, to form the object of crossing steel without the high-speed straight-line rolling of push-and-pull rate ground, changed completely traditional technology of rolling of drawing consistently, be easy to be high-end again, thereby exceed people's imagination, the distortion complex process technology of sheet material become simple and changed.Simultaneously by milling train substructure reform, lower backing roll and bottom working roll have been replaced by lip block and roll compacting module, form working roll and the roller peak of roll compacting module and the roll compacting mode of plane, avoid that camber, limit wave, middle wave appear in the sheet material of roll compacting place that causes, the bad problems such as shape, broken belt are offset, waft because roller peak misplaces.
Technical solution of the present invention is achieved in that
Magnetic suspension superconduction milling train of the present invention, comprises roll compacting platform, roll compacting mechanism and treats rolled steel plate operation passage; Roll compacting mechanism is loaded on the top of roll compacting platform, forms and treat rolled steel plate operation passage between roll compacting mechanism and roll compacting platform; It is characterized in that: roll compacting mechanism is loaded on the top of roll compacting platform by upper bracket; On roll compacting mechanism top, servo-hydraulic device is housed;
Squeezing platform comprises lower groove, lip block, permanent magnet I, roll compacting module; Lower groove is the trough body structure of opened upper end, and oil film base and multiple lip block are housed therein, on the top of lip block, is embedded with permanent magnet I, and roll compacting module is adsorbed on the top of lip block by permanent magnet I; In roll compacting module, be processed with electromagnetic path groove, electromagnetic path is through electromagnetic path groove;
Roll compacting mechanism comprises upper machine body, backing roll, free roll, working roll, bearing block, permanent magnet II; On upper machine body, there is backing roll hole, free roll hole and the working roll hole of many group longitudinal arrangements; On the top in backing roll hole and the bilateral symmetry in backing roll hole, free roll hole and working roll hole, be processed with permanent magnetism metal trough, have a permanent magnet II permanent magnetism metal trough is in-built, and by permanent magnetism metal trough cap seal dress, permanent magnet II be homopolarity near a side of each roller; Backing roll, free roll and working roll are inserted into respectively in backing roll hole, free roll hole and working roll hole, and by bearing block, are loaded on the roller port lid at two ends, each roller hole; One end of working roll is connected with the output shaft of motor; Working roll is positioned at the top of roll compacting module; External process in every group of backing roll hole, free roll hole and working roll hole has air cooling chamber, and air cooling chamber is connected with defeated nitrogen equipment by pipeline; Upper machine body is loaded on slide rail;
Treat that rolled steel plate passes by treating that rolled steel plate moves between passage, is treating that oil film is formed at rolled steel plate top.
On upper bracket of the present invention, slide rail is housed, roll compacting mechanism is loaded on slide rail.
Multiple working roll of the present invention is taken turns doing the working roll of tube reducing design by entering plate end to ejecting plate end.
Backing roll of the present invention, free roll and working roll longitudinal arrangement, backing roll is that top roll, free roll are that central roll, working roll are lower roll;
The axial connecting line of backing roll of the present invention, free roll and working roll is perpendicular to the upper brace of below roll compacting module.
Backing roll hole, free roll hole and the working roll hole roller group of on upper machine body of the present invention, processing are 5 groups.
The quantity of roll compacting module of the present invention is all 5 mutually with the quantity of working roll.
Individual event vent valve is housed on pipeline of the present invention, prevents nitrogen reflux.
Gap between backing roll of the present invention and backing roll hole, free roll and free roll hole and working roll and working roll hole is 1.5-1.8mm.
Roll compacting step of the present invention is:
1, first by servo-hydraulic device, drive upper machine body to move down along slide rail, open the rotation of driven by motor working roll simultaneously, working roll drives free roll and backing roll rotation simultaneously; Working roll touches the oil film base in lower groove, and oil is brought in working roll, free roll and backing roll chamber; By servo-hydraulic device, drive on upper machine body and move again;
2, at upper machine body, move down, when working roll is brought in roller chamber by oil, by the defeated nitrogen equipment in outside, in air cooling chamber, inject liquid nitrogen, will condense in axocoel, (temperature of liquid nitrogen is-195 °, and the roller temperature while guaranteeing work is 20-30 °);
3, by external force, will treat that rolled steel plate is transported to lower groove top, opening power, after electromagnetic path energising, guiding treats that rolled steel plate moves ahead along correct direction; Servo-hydraulic device drives upper machine body to move down along slide rail simultaneously, treats rolled steel plate and carries out roll compacting;
4, when working roll rotates roll compacting steel plate, take the oil in roller chamber out of part, on steel plate top, form oil film;
5, strengthen gradually current strength, the magnetic suspension pulling force that electromagnetic path produces is strengthened, drive steel plate to travel forward fast and enter into successively and under roll below, carry out roll compacting.
Advantage of the present invention is apparent, is mainly manifested in:
1, the present invention has replaced lower bearing bracket and lower roll system by lip block and roll compacting module, has realized vertical roll compacting plane, has changed roll-to-roll roll compacting form, has solved the mutual sliding phenomenon of roller peak pair roller peak rolling, guarantees template high straightness;
2, the advantage of magnetic suspension roll is to have utilized magnetic field principle, suspends to rotate to make roll guarantee zero elasticity distortion, has solved the mechanical friction of roll completely;
3, the present invention adopts air cooling control body adaptive temperature, guarantees milling train high-speed cruising, has replaced water-cooled and cutting fluid, realizes non-oxidation rolling, guarantees the reasonability of flow of metal, and has guaranteed the fineness of sheet material;
4, the present invention has replaced machinery drawing by force by on-mechanical auto-feed, has fundamentally solved the drawback of distortion fault;
5, the present invention has realized without heap and has drawn rate straight line to cross steel, has formed the second high-speed rolling, and the floating speed of the second magnetic is higher than main frame transmission speed 20%, and therefore the present invention improves nearly 1 times than conventional mill efficiency, has improved operating efficiency;
6, structure of the present invention by numerous enter letter, reduced jockey pulley, aligning calibration equipment and transducer etc., reduced manufacture and maintenance cost more than 60%;
7, roll compacting inside modules of the present invention is equipped with electromagnetic path, has guaranteed to treat the direction high-speed cruising of rolled steel plate (rolled piece) in regulation, advance as the crow flies (any deflection does not occur);
8, the present invention is equipped with permanent magnet above each roller both sides and backing roll, guarantees the squeezing that suspends under the effect in magnetic field of each roller, guarantees that working roll can not produce distortion simultaneously;
9, the present invention, when roll compacting, forms oil film on steel plate top, makes surface of steel plate avoid oxidation to occur, and has guaranteed product quality;
10, the present invention is owing in each roller both sides, permanent magnet being housed, and permanent magnet near roller be once homopolarity, prevented that roller from producing displacement and strain at work.
The present invention has novel structure, it is easy to process, reduced costs, raise the efficiency, promoted product quality, increased the advantage such as service life of equipment, and it puts goods on the market in enormous quantities and will produce positive social benefit and significant economic benefit.
Accompanying drawing explanation
The present invention has 2 width accompanying drawings, wherein:
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is the A-A zoomed-in view of accompanying drawing 1.
In the drawings: 1, lower groove 2, oil film base 3, lip block 4, permanent magnet I 5, roll compacting module 6, electromagnetic path groove 7, electromagnetic path 8, treat rolled steel plate 9, oil film 10, working roll hole 11, working roll 12, free roll hole 13, free roll 14, permanent magnet II 15, permanent magnetism metal trough 16, backing roll hole 17, backing roll 18, slide rail 19, upper bracket 20, pipeline 21, air cooling chamber 22, upper machine body 23, servo-hydraulic device 24, motor 25, roller port lid 26, bearing block 27, permanent magnetism metal trough lid.
The specific embodiment
Specific embodiments of the invention as shown in drawings, comprise roll compacting platform, roll compacting mechanism and treat rolled steel plate operation passage; Roll compacting mechanism is loaded on the top of roll compacting platform, forms and treat rolled steel plate operation passage between roll compacting mechanism and roll compacting platform; It is characterized in that: roll compacting mechanism is loaded on the top of roll compacting platform by upper bracket 19; On roll compacting mechanism top, servo-hydraulic device 23 is housed;
Squeezing platform comprises lower groove 1, lip block 3, permanent magnet I 4, roll compacting module 5; The trough body structure that lower groove 1 is opened upper end, is equipped with oil film base 2 and multiple lip blocks 3 therein, on the top of lip block 3, is embedded with permanent magnet I 4, and roll compacting module 5 is adsorbed on the top of lip block 3 by permanent magnet I 4; In roll compacting module 5, be processed with electromagnetic path groove 6, electromagnetic path 7 is through electromagnetic path groove 6;
Roll compacting mechanism comprises upper machine body 22, backing roll 17, free roll 13, working roll 11, bearing block 26, permanent magnet II 14; On upper machine body 22, there is backing roll hole 16, free roll hole 12 and the working roll hole 10 of many group longitudinal arrangements; On the top in backing roll hole 16 and the bilateral symmetry in backing roll hole 16, free roll hole 12 and working roll hole 10, be processed with permanent magnetism metal trough 15, permanent magnet II 14 is housed in permanent magnetism metal trough 15, and encapsulate by permanent magnetism metal trough lid 27, permanent magnet II 14 is homopolarity near a side of each roller; Backing roll 17, free roll 13 and working roll 11 are inserted into respectively in backing roll hole 16, free roll hole 12 and working roll hole 10, and by bearing block 26, are loaded on the roller port lid 25 at two ends, each roller hole; One end of working roll 11 is connected with the output shaft of motor 24; Working roll 11 is positioned at the top of roll compacting module 5; External process in every group of backing roll hole 17, free roll hole 13 and working roll hole 11 has air cooling chamber 21, and air cooling chamber 21 is connected with defeated nitrogen equipment by pipeline 20; Upper machine body 19 is loaded on slide rail 18;
Treat that rolled steel plate 8 passes by treating that rolled steel plate moves between passage, treating that oil films 9 are formed at rolled steel plate 8 tops.
Backing roll 17, free roll 13 and working roll 11 longitudinal arrangements, backing roll 17 is that top roll, free roll 13 are that central roll, working roll 11 are lower roll;
The axial connecting line of backing roll 17, free roll 13 and working roll 11 is perpendicular to the upper brace of below roll compacting module 5.
On upper machine body 22, backing roll hole 16, free roll hole 12 and the working roll hole 10 roller groups of processing are 5 groups.
The quantity of roll compacting module 5 is all 5 mutually with the quantity of working roll 11.
Individual event vent valve is housed on pipeline 20, prevents nitrogen reflux.
Gap between described backing roll 17 and backing roll hole 16, free roll 13 and free roll hole 12 and working roll 11 and working roll hole 10 is 1.8mm.
The above; it is only the preferably specific embodiment of the present invention; but protection scope of the present invention is not limited to this; allly be familiar with those skilled in the art in technical scope disclosed by the invention, within being equal to and replacing or change protection scope of the present invention all should be encompassed according to technical scheme of the present invention and design of the present invention thereof.
Claims (9)
1. a magnetic suspension superconduction milling train, comprises roll compacting platform, roll compacting mechanism and treats rolled steel plate operation passage; Roll compacting mechanism is loaded on the top of roll compacting platform, forms and treat rolled steel plate operation passage between roll compacting mechanism and roll compacting platform; It is characterized in that: roll compacting mechanism is loaded on the top of roll compacting platform by upper bracket (19); On roll compacting mechanism top, servo-hydraulic device (23) is housed;
Described squeezing platform comprises lower groove (1), lip block (3), permanent magnet I (4), roll compacting module (5); The trough body structure that lower groove (1) is opened upper end, oil film base (2) and multiple lip blocks (3) are housed therein, on the top of lip block (3), be embedded with permanent magnet I (4), roll compacting module (5) is adsorbed on the top of lip block (3) by permanent magnet I (4); In roll compacting module (5), be processed with electromagnetic path groove (6), electromagnetic path (7) is through electromagnetic path groove (6);
Described roll compacting mechanism comprises upper machine body (22), backing roll (17), free roll (13), working roll (11), bearing block (26), permanent magnet II (14); On upper machine body (22), there are backing roll hole (16), free roll hole (12) and working roll hole (10) of many group longitudinal arrangements; In the top of backing roll hole (16) and backing roll hole (16), the bilateral symmetry of free roll hole (12) and working roll hole (10) is processed with permanent magnetism metal trough (15), permanent magnet II (14) is housed in permanent magnetism metal trough (15), and by permanent magnetism metal trough lid (27) encapsulation, permanent magnet II (14) is homopolarity near a side of each roller; Backing roll (17), free roll (13) and working roll (11) are inserted into respectively in backing roll hole (16), free roll hole (12) and working roll hole (10), and by bearing block (26), are loaded on the roller port lid (25) at two ends, each roller hole; One end of working roll (11) is connected with the output shaft of motor (24); Working roll (11) is positioned at the top of roll compacting module (5); In every group of backing roll hole (17), the external process of free roll hole (13) and working roll hole (11) has air cooling chamber (21), air cooling chamber (21) are connected with defeated nitrogen equipment by pipeline (20); Upper machine body (19) is loaded on slide rail (18);
The described rolled steel plate (8) for the treatment of passes by treating that rolled steel plate moves between passage, is treating that oil film (9) is formed at rolled steel plate (8) top.
2. magnetic suspension superconduction milling train according to claim 1, is characterized in that, on described upper bracket (19), slide rail (18) is housed, and roll compacting mechanism is loaded on slide rail (18).
3. magnetic suspension superconduction milling train according to claim 1, is characterized in that described multiple working rolls (11) are taken turns doing the working roll (11) of tube reducing design by entering plate end to ejecting plate end.
4. magnetic suspension superconduction milling train according to claim 1, it is characterized in that described backing roll (17), free roll (13) and working roll (11) longitudinal arrangement, backing roll (17) is that top roll, free roll (13) are that central roll, working roll (11) are lower roll.
5. magnetic suspension superconduction milling train according to claim 1, is characterized in that the axial connecting line of described backing roll (17), free roll (13) and working roll (11) is perpendicular to the upper brace of below roll compacting module (5).
6. magnetic suspension superconduction milling train according to claim 1, is characterized in that backing roll hole (16), free roll hole (12) and working roll hole (10) the roller group of the upper processing of described upper machine body (22) is 5 groups.
7. magnetic suspension superconduction milling train according to claim 1, is characterized in that the quantity of described roll compacting module (5) is all 5 mutually with the quantity of working roll (11).
8. magnetic suspension superconduction milling train according to claim 1, is characterized in that, on described pipeline (20), individual event vent valve is housed, and prevents nitrogen reflux.
9. magnetic suspension superconduction milling train according to claim 1, is characterized in that the gap between described backing roll (17) and backing roll hole (16), free roll (13) and free roll hole (12) and working roll (11) and working roll hole (10) is 1.5-1.8mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410043959.3A CN103752608B (en) | 2014-01-29 | 2014-01-29 | Magnetic-levitation superconductive rolling mill |
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| CN201410043959.3A CN103752608B (en) | 2014-01-29 | 2014-01-29 | Magnetic-levitation superconductive rolling mill |
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| CN103752608A true CN103752608A (en) | 2014-04-30 |
| CN103752608B CN103752608B (en) | 2015-04-08 |
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| CN201410043959.3A Expired - Fee Related CN103752608B (en) | 2014-01-29 | 2014-01-29 | Magnetic-levitation superconductive rolling mill |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105414180B (en) * | 2015-11-03 | 2017-11-07 | 大连交通大学 | Magnetic suspension superconduction rolling mill |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2952361A1 (en) * | 1979-12-24 | 1981-07-02 | Schloemann-Siemag AG, 4000 Düsseldorf | Magnetic transportation of hot rolled prods. onto cooling bed - via roller track fitted with linear motors which apply acceleration or braking forces |
| CN1212184A (en) * | 1998-10-12 | 1999-03-31 | 刘定平 | Iron and steel thin sheet strip plate melting liquid horizontal hot filling magnetic suspension temp.-reducing waste heat hot rolling blank process |
| DE19809447A1 (en) * | 1998-03-05 | 1999-09-09 | Schloemann Siemag Ag | Conveyor line for conveying metal strip material |
| CN200939463Y (en) * | 2006-08-17 | 2007-08-29 | 雷亚夫 | Magnetic suspension rolling mill |
| CN201361634Y (en) * | 2008-12-10 | 2009-12-16 | 雷亚夫 | Three-dimensional magnetic suspension tension-free tandem mill |
| CN202199601U (en) * | 2011-07-19 | 2012-04-25 | 雷亚夫 | Tension-free strip steel magnetic-suspension feeding device and magnetic-suspension high-speed ultrathin continuous mill |
| KR20120046825A (en) * | 2010-10-27 | 2012-05-11 | 현대제철 주식회사 | Apparatus for transferring strip |
-
2014
- 2014-01-29 CN CN201410043959.3A patent/CN103752608B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2952361A1 (en) * | 1979-12-24 | 1981-07-02 | Schloemann-Siemag AG, 4000 Düsseldorf | Magnetic transportation of hot rolled prods. onto cooling bed - via roller track fitted with linear motors which apply acceleration or braking forces |
| DE19809447A1 (en) * | 1998-03-05 | 1999-09-09 | Schloemann Siemag Ag | Conveyor line for conveying metal strip material |
| CN1212184A (en) * | 1998-10-12 | 1999-03-31 | 刘定平 | Iron and steel thin sheet strip plate melting liquid horizontal hot filling magnetic suspension temp.-reducing waste heat hot rolling blank process |
| CN200939463Y (en) * | 2006-08-17 | 2007-08-29 | 雷亚夫 | Magnetic suspension rolling mill |
| CN201361634Y (en) * | 2008-12-10 | 2009-12-16 | 雷亚夫 | Three-dimensional magnetic suspension tension-free tandem mill |
| KR20120046825A (en) * | 2010-10-27 | 2012-05-11 | 현대제철 주식회사 | Apparatus for transferring strip |
| CN202199601U (en) * | 2011-07-19 | 2012-04-25 | 雷亚夫 | Tension-free strip steel magnetic-suspension feeding device and magnetic-suspension high-speed ultrathin continuous mill |
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