CN103433276B - Profile steel rolling production line and production method thereof - Google Patents
Profile steel rolling production line and production method thereof Download PDFInfo
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- CN103433276B CN103433276B CN201310396196.6A CN201310396196A CN103433276B CN 103433276 B CN103433276 B CN 103433276B CN 201310396196 A CN201310396196 A CN 201310396196A CN 103433276 B CN103433276 B CN 103433276B
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Abstract
The invention relates to a profile steel rolling production line and a production method thereof. The profile steel rolling production line comprises a heating unit, a rough rolling unit, a medium rolling unit, a fine rolling unit and a finishing unit, wherein each of the rough rolling unit and the medium rolling unit comprises a rolling mill and a driving device for driving the rolling mill to move along the axial direction of a rolling roller; the rolling rollers of the rolling mills are provided with rolling grooves with different groove holes; the fine rolling unit comprises a two-roller rolling mill or the fine rolling unit comprises a four-roller universal rolling mill, a two-roller edging mill and a four-roller universal rolling mill which are arranged in sequence; the two-roller rolling mill and the two-roller edging mill are provided with driving devices which move along the axial direction of rolling rollers I; the rolling rollers I are further provided with rolling grooves I with different groove holes. After a rolling piece is heated and is sequentially rolled by the upper and lower different rolling grooves through the corresponding rolling rollers on the rough rolling unit, the rolling piece enters the medium rolling unit to be sequentially rolled by the upper and lower different rolling grooves through the corresponding rolling rollers; finally, the rolling piece enters the fine rolling unit to be rolled to form a finished-product sectional material. According to the profile steel rolling production line and the production method thereof, the quantity of the rolling mills is reduced, the weight of a conveying roller bed is reduced, the production line is simplified and the production efficiency is improved.
Description
Technical field
The present invention relates to field of steel metallurgy, be specifically related to a kind of profile steel rolling production line and production method thereof.
Background technology
Shaped steel is the strip steel with certain section configuration, includes the production methods such as hot rolling, clod wash, welding, extruding.Also be divided into simple section, compound section, die rolled section, wherein milling method occupies absolute status.The method of usual Rolling Production shaped steel is: by the steel billet be heated under the condition of high temperature send into in the roll of multiple pass to rolled piece carry out multi-pass deformation obtain hot under finished product section product, after supercooling and finishing procedure, obtain final products.Because the process distortions passage of Rolling Production shaped steel product is more, therefore rolled piece need be rolled in multiple passes (roll groove) of roll, needed for each rolling mill meeting Section Steel Production produces, what bring thus is the increase of milling train quantity and the increase of rollgang length, and construction investment, construction, Workshop Production energy consumption and production cost certainly will be caused to increase.
Summary of the invention
In view of this, the object of this invention is to provide a kind of profile steel rolling production line and production method thereof, decrease the quantity of milling train and the barrel length of rollgang, simplify production line, improve production efficiency.
The invention discloses a kind of profile steel rolling production line, comprise set gradually heating unit, roughing unit, in roll unit, finishing unit and finishing unit, described roughing unit comprises at least 1 roughing mill and the drive unit I with roughing mill equal number, described drive unit I drives roughing mill to move axially along roughing mill roll, and the roll of described roughing mill is provided with the groove of more than 2 different slotted eyes vertically successively; Roll unit in described and comprise at least 1 middle milling train and the drive unit II with middle milling train equal number, during described drive unit II drives, in milling train edge, rolling mill roll moves axially, and the roll of described middle milling train is provided with the groove of more than 2 different slotted eyes vertically successively; Described finishing unit comprises at least 1 finishing mill.
Further, described roughing unit, in roll unit and finishing unit and be equipped with auxiliary the turning over of milling train and move steel device.
Further, described roughing unit and in roll between unit and in roll to be provided with between unit and finishing unit and move steel device.
Further, described finishing mill is duo mill, and described duo mill is provided with the drive unit III driving duo mill to move axially along duo mill roll, and the roll of described duo mill is provided with the groove of more than 2 different slotted eyes vertically successively.
Further, described finishing mill comprises the four-roll universal rolling machine, two roller edging mill and the four-roll universal rolling machines that set gradually, described two roller edging mills are provided with the drive unit IV that driving two roller edging mill moves axially along two roller edging mill rolls, the roll of two roller edging mills be provided with the groove of more than 2 different slotted eyes vertically successively.
The invention also discloses a kind of method using above-mentioned profile steel rolling production line to produce shaped steel, comprise the following steps:
(1) rolled piece at heating unit heats to rolling temperature;
(2) rolled piece enters roughing unit, complete a slotted eye rolling in roughing mill after, drive unit I drives roughing mill to move axially along roughing mill roll, the roughing mill next slotted eye moved on rear roll is aimed at rolled piece be rolled again, in rolling pass gap, move steel device by auxiliary the turning over of milling train steel is turned over to rolled piece;
(3) rolled piece rolls unit in entering, complete a slotted eye rolling in middle milling train after, during drive unit II drives, in milling train edge, rolling mill roll moves axially, the milling train next slotted eye moved on rear roll is aimed at rolled piece be rolled again, in rolling pass gap, move steel device by auxiliary the turning over of milling train steel is turned over to rolled piece;
(4) rolled piece enters finishing unit, complete a slotted eye rolling in duo mill after, drive unit III drives duo mill to move axially along roll, the duo mill next slotted eye moved on rear roll is aimed at rolled piece be rolled again, in rolling pass gap, move steel device by auxiliary the turning over of milling train steel is turned over to rolled piece; Or rolled piece enters finishing unit, be rolled by four-roll universal rolling machine and two roller edging mills, after two roller edging mills complete a slotted eye rolling, drive unit IV drives two roller edging mills to move axially along two roller edging mill rolls, the two roller edging mills next slotted eye moved on rear roll is aimed at rolled piece be rolled by four-roll universal rolling machine and two roller edging mills again, in rolling pass gap, move steel device by auxiliary the turning over of milling train steel is turned over to rolled piece;
(5) rolled piece enters finishing unit finishing process, finally obtains shaped steel finished product.
Beneficial effect of the present invention is: the present invention includes following advantage:
1) quantity of rolling line milling train is decreased, shorten the length of rollgang, reduce engineering construction investment, engineering construction quantities, reduce rollgang transport and drive energy consumption, improve roller bed rotation flexibility, reduce whole energy consumption and operation cost, improve production efficiency and productive profit, enhance enterprise competitiveness;
2) production operation is simple, reduces equipment failure rate, reduces Maintenance and Repair workload;
3) rolled piece does not need as during traditional steel rolling, to move steel frequently to pass, and rolled piece only keeps motionless in position or only needs to turn over steel according to technique, eliminates the traversing scuffing caused of rolled piece, significantly improves the surface quality of rolled piece;
Accompanying drawing explanation
In order to make the object of invention, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, wherein:
Fig. 1 is the process equipment layout drawing of the embodiment of the present invention 1;
Fig. 2 is the process equipment layout drawing of the embodiment of the present invention 2;
Fig. 3 is the process equipment layout drawing of the embodiment of the present invention 3.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
Embodiment 1
Fig. 1 is the process equipment layout drawing of the embodiment of the present invention 1, as shown in Figure 1, profile steel rolling production line of the present invention, comprise set gradually heating unit 1, roughing unit, in roll unit, finishing unit and finishing unit 13, described roughing unit comprises 1 roughing mill 2 and the drive unit I 3 with roughing mill 2 equal number, described drive unit I 3 drives roughing mill 2 to move axially along roughing mill roll, and the roll of described roughing mill 2 is provided with the groove of more than 2 different slotted eyes vertically successively; Roll unit in described and comprise 1 middle milling train 4 and the drive unit II 5 with middle milling train 4 equal number, during described drive unit II 5 drives milling train 4 along in rolling mill roll move axially, the roll of described middle milling train 4 is provided with the groove of more than 2 different slotted eyes vertically successively; Described finishing unit comprises 1 finishing mill.The slotted eye of each rolling unit milling train quantity and each rolling mill roll top pass is set, drive unit comprises machinery, Comprehensive Control that is electric and hydraulic pressure each side adjusts, realize milling train to move axially along roll, make the groove of the different slotted eyes on rolling mill roll aim at rolled piece and be rolled respectively.According to rolling of sectional iron technological requirement, excision shaped steel saw end to end can also be set between each milling train unit and cut device 8, the irregular head-tail sawing of milling train after a upper procedure rolling is fallen, enters next process so that more convenient and be rolled, avoid fault in production.
In the present embodiment, described roughing unit, in roll unit and finishing unit and be equipped with auxiliary the turning over of milling train and move steel device 7, after the groove of a certain slotted eye completes rolling, according to process requirements, in rolling pass gap, steel is turned over to rolled piece.
In the present embodiment, described roughing unit and in roll between unit and in roll to be provided with between unit and finishing unit and move steel device 9, such layout effectively shortens rolling line length, and each milling train unit can be made to be rolled separately simultaneously, improves rolling efficiency.
In the present embodiment, described finishing mill is duo mill 10, and described duo mill 10 is provided with the drive unit III 6 driving duo mill 10 to move axially along duo mill roll, and the roll of described duo mill 10 is provided with the groove of more than 2 different slotted eyes vertically successively.Milling train moves axially along roll, makes the groove of the different slotted eyes on rolling mill roll aim at rolled piece and is rolled respectively, finally roll out hot lower finished product.
Embodiment 2
Fig. 2 is the process equipment layout drawing of the embodiment of the present invention 2, as shown in Figure 2, profile steel rolling production line of the present invention, comprise set gradually heating unit 1, roughing unit, in roll unit, finishing unit and finishing unit 13, described roughing unit comprises 1 roughing mill 2 and the drive unit I 3 with roughing mill 2 equal number, described drive unit I 3 drives roughing mill 2 to move axially along roughing mill roll, and the roll of described roughing mill 2 is provided with the groove of more than 2 different slotted eyes vertically successively; Roll unit in described and comprise 2 middle milling trains 4 and the drive unit II 5 with middle milling train 4 equal number, during described drive unit II 5 drives milling train 4 along in rolling mill roll move axially, the roll of described middle milling train 4 is provided with the groove of more than 2 different slotted eyes vertically successively; Described finishing unit comprises 2 finishing mills.The slotted eye of each rolling unit milling train quantity and each rolling mill roll top pass is set, drive unit comprises machinery, Comprehensive Control that is electric and hydraulic pressure each side adjusts, realize milling train to move axially along roll, make the groove of the different slotted eyes on rolling mill roll aim at rolled piece and be rolled respectively.According to rolling of sectional iron technological requirement, excision shaped steel saw end to end can also be set between each milling train unit and cut device 8, the irregular head-tail sawing of milling train after a upper procedure rolling is fallen, enters next process so that more convenient and be rolled, avoid fault in production.
In the present embodiment, described roughing unit, in roll unit and finishing unit and be equipped with auxiliary the turning over of milling train and move steel device 7, after the groove of a certain slotted eye completes rolling, according to process requirements, in rolling pass gap, steel is turned over to rolled piece.
In the present embodiment, described roughing unit and in roll between unit and in roll to be provided with between unit and finishing unit and move steel device 9, by moving steel device 9,2 middle milling trains 4 adopt cross-arranging type to arrange, rolled piece after milling train 4 rolling deformation, enters rolling in milling train 4 in the second frame in first, moves steel device 9 and effectively shortens rolling line length, each milling train unit can be made simultaneously to be rolled separately, to improve rolling efficiency.
In the present embodiment, described finishing mill is duo mill 10, and described duo mill 10 is provided with the drive unit III 6 driving duo mill 10 to move axially along duo mill roll, and the roll of described duo mill 10 is provided with the groove of more than 2 different slotted eyes vertically successively.Milling train moves axially along roll, makes the groove of the different slotted eyes on rolling mill roll aim at rolled piece and is rolled respectively, finally roll out hot lower finished product.
Embodiment 3
Fig. 3 is the process equipment layout drawing of the embodiment of the present invention 3, as shown in Figure 3, profile steel rolling production line of the present invention, comprise set gradually heating unit 1, roughing unit, in roll unit, finishing unit and finishing unit 13, described roughing unit comprises 1 roughing mill 2 and the drive unit I 3 with roughing mill 2 equal number, described drive unit I 3 drives roughing mill 2 to move axially along roughing mill roll, and the roll of described roughing mill 2 is provided with the groove of more than 2 different slotted eyes vertically successively; Roll unit in described and comprise 1 middle milling train 4 and the drive unit II 5 with middle milling train 4 equal number, during described drive unit II 5 drives milling train 4 along in rolling mill roll move axially, the roll of described middle milling train 4 is provided with the groove of more than 2 different slotted eyes vertically successively; Described finishing unit comprises 3 finishing mills and the drive unit III 6 with finishing mill equal number, and described drive unit III 6 drives finishing mill to move axially along finishing mill roll, and the roll of described finishing mill is provided with the groove of more than 2 different slotted eyes vertically successively.The slotted eye of each rolling unit milling train quantity and each rolling mill roll top pass is set, drive unit comprises machinery, Comprehensive Control that is electric and hydraulic pressure each side adjusts, realize milling train to move axially along roll, make the groove of the different slotted eyes on rolling mill roll aim at rolled piece and be rolled respectively.According to rolling of sectional iron technological requirement, excision shaped steel saw end to end can also be set between each milling train unit and cut device 8, the irregular head-tail sawing of milling train after a upper procedure rolling is fallen, enters next process so that more convenient and be rolled, avoid fault in production.
In the present embodiment, described roughing unit, in roll unit and finishing unit and be equipped with auxiliary the turning over of milling train and move steel device 7, after the groove of a certain slotted eye completes rolling, according to process requirements, in rolling pass gap, steel is turned over to rolled piece.
In the present embodiment, described roughing unit and in roll between unit and in roll to be provided with between unit and finishing unit and move steel device 9, such layout effectively shortens rolling line length, and each milling train unit can be made to be rolled separately simultaneously, improves rolling efficiency.
In the present embodiment, described finishing mill comprises four-roll universal rolling machine 11, the two roller edging mill 12 that sets gradually and four-roll universal rolling machine 11, four roller Universal motor maintains static, by four rolls composition particular bore types, the stroke of on-line tuning roll, the pass of composition different section size; Described two roller edging mills 12 are provided with the drive unit IV 14 that driving two roller edging mill 12 moves axially along two roller edging mill rolls, the roll of two roller edging mills 12 be provided with the groove of more than 2 different slotted eyes vertically successively.With the groove of two roller edging mills different slotted eye, rolled piece is rolled by the pass of four-roll universal rolling machine different section, finally rolls out hot lower finished product.
Use profile steel rolling production line of the present invention to produce the method for shaped steel, comprise the following steps:
(1) rolled piece is heated to rolling temperature at heating unit 1;
(2) rolled piece enters roughing unit, complete a slotted eye rolling in roughing mill 2 after, drive unit I 3 drives roughing mill 2 to move axially along roughing mill roll, the roughing mill 2 next slotted eye moved on rear roll is aimed at rolled piece be rolled again, in rolling pass gap, moved steel device 7 pairs of rolled pieces turned over steel by auxiliary the turning over of milling train, rolled piece both rolling a time just can be changed groove and also reciprocally changed groove again after some passes in a certain groove;
(3) rolled piece rolls unit in entering, complete a slotted eye rolling in middle milling train 4 after, drive unit II 5 drive in milling train 4 along in rolling mill roll move axially, the milling train 4 next slotted eye moved on rear roll is aimed at rolled piece be rolled again, in rolling pass gap, moved steel device 7 pairs of rolled pieces turned over steel by auxiliary the turning over of milling train, rolled piece both rolling a time just can be changed groove and also reciprocally changed groove again after some passes in a certain groove;
(4) rolled piece enters finishing unit, complete a slotted eye rolling in duo mill 10 after, drive unit III 6 drives duo mill 10 to move axially along roll, the duo mill 10 next slotted eye moved on rear roll is aimed at rolled piece be rolled again, in rolling pass gap, move steel device 7 pairs of rolled pieces turn over steel by auxiliary the turning over of milling train, or rolled piece enters finishing unit, be rolled by four-roll universal rolling machine 11 and two roller edging mills 12, after two roller edging mills 12 complete a slotted eye rolling, four-roll universal rolling machine is by regulating roll stroke, obtain the pass of different section size, drive unit IV 14 drives two roller edging mills 12 to move axially along two roller edging mill rolls, the two roller edging mills 12 next slotted eye moved on rear roll is aimed at rolled piece be rolled by four-roll universal rolling machine and two roller edging mills again, in rolling pass gap, move steel device by auxiliary the turning over of milling train steel is turned over to rolled piece,
(5) rolled piece enters finishing unit 13 finishing process, finally obtains shaped steel finished product.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although by referring to the preferred embodiments of the present invention, invention has been described, but those of ordinary skill in the art is to be understood that, various change can be made to it in the form and details, and not depart from the spirit and scope of the present invention that appended claims limits.
Claims (7)
1. a profile steel rolling production line, comprise set gradually heating unit, roughing unit, in roll unit, finishing unit and finishing unit, it is characterized in that: described roughing unit comprises at least 1 roughing mill and the drive unit I with roughing mill equal number, described drive unit I drives roughing mill to move axially along roughing mill roll, and the roll of described roughing mill is provided with the groove of more than 2 different slotted eyes vertically successively; Roll unit in described and comprise at least 1 middle milling train and the drive unit II with middle milling train equal number, during described drive unit II drives, in milling train edge, rolling mill roll moves axially, and the roll of described middle milling train is provided with the groove of more than 2 different slotted eyes vertically successively; Described finishing unit comprises at least 1 finishing mill.
2. profile steel rolling production line according to claim 1, is characterized in that: described roughing unit, in roll unit and finishing unit and be equipped with auxiliary the turning over of milling train and move steel device.
3. profile steel rolling production line according to claim 1, is characterized in that: described roughing unit and in roll between unit and in roll to be provided with between unit and finishing unit and move steel device.
4. the profile steel rolling production line according to claims 1 to 3 any one, it is characterized in that: described finishing mill is duo mill, described duo mill is provided with the drive unit III driving duo mill to move axially along duo mill roll, and the roll of described duo mill is provided with the groove of more than 2 different slotted eyes vertically successively.
5. the profile steel rolling production line according to claims 1 to 3 any one, it is characterized in that: described finishing mill comprises the four-roll universal rolling machine, two roller edging mill and the four-roll universal rolling machines that set gradually, described two roller edging mills are provided with the drive unit IV that driving two roller edging mill moves axially along two roller edging mill rolls, and the roll of described two roller edging mills is provided with the groove of more than 2 different slotted eyes vertically successively.
6. use the profile steel rolling production line described in claim 4 to produce the method for shaped steel, it is characterized in that: comprise the following steps:
(1) rolled piece at heating unit heats to rolling temperature;
(2) rolled piece enters roughing unit, complete a slotted eye rolling in roughing mill after, drive unit I drives roughing mill to move axially along roughing mill roll, after roughing mill is moved, next slotted eye on roll is aimed at rolled piece and is rolled, in rolling pass gap, move steel device by auxiliary the turning over of milling train steel is turned over to rolled piece;
(3) rolled piece rolls unit in entering, complete a slotted eye rolling in middle milling train after, during drive unit II drives, in milling train edge, rolling mill roll moves axially, after milling train is moved, next slotted eye on roll is aimed at rolled piece and is rolled, in rolling pass gap, move steel device by auxiliary the turning over of milling train steel is turned over to rolled piece;
(4) rolled piece enters finishing unit, complete a slotted eye rolling in duo mill after, drive unit III drives duo mill to move axially along roll, after duo mill is moved, next slotted eye on roll is aimed at rolled piece and is rolled, in rolling pass gap, move steel device by auxiliary the turning over of milling train steel is turned over to rolled piece;
(5) rolled piece enters finishing unit finishing process, finally obtains shaped steel finished product.
7. use the profile steel rolling production line described in claim 5 to produce the method for shaped steel, it is characterized in that: comprise the following steps:
(1) rolled piece at heating unit heats to rolling temperature;
(2) rolled piece enters roughing unit, complete a slotted eye rolling in roughing mill after, drive unit I drives roughing mill to move axially along roughing mill roll, after roughing mill is moved, next slotted eye on roll is aimed at rolled piece and is rolled, in rolling pass gap, move steel device by auxiliary the turning over of milling train steel is turned over to rolled piece;
(3) rolled piece rolls unit in entering, complete a slotted eye rolling in middle milling train after, during drive unit II drives, in milling train edge, rolling mill roll moves axially, after milling train is moved, next slotted eye on roll is aimed at rolled piece and is rolled, in rolling pass gap, move steel device by auxiliary the turning over of milling train steel is turned over to rolled piece;
(4) rolled piece enters finishing unit, be rolled by four-roll universal rolling machine and two roller edging mills, after two roller edging mills complete a slotted eye rolling, drive unit IV drives two roller edging mills to move axially along two roller edging mill rolls, after two roller edging mills are moved, next slotted eye on roll is aimed at rolled piece and is rolled by four-roll universal rolling machine and two roller edging mills, in rolling pass gap, is moved steel device and is turned over steel by auxiliary the turning over of milling train to rolled piece;
(5) rolled piece enters finishing unit finishing process, finally obtains shaped steel finished product.
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| CN104319016B (en) * | 2014-11-06 | 2016-09-07 | 无锡锡洲电磁线有限公司 | A kind of electromagnetic wire semihard processing technology |
| CN105689390A (en) * | 2016-03-10 | 2016-06-22 | 天津市中重科技工程有限公司 | Method for rolling section steel semi-continuously by using compact type universal rolling mills |
| CN112058918B (en) * | 2020-09-25 | 2021-08-03 | 太原理工大学 | Efficient and stable current applying manipulator facing plate strip rolling process and method thereof |
| CN114042754A (en) * | 2021-11-16 | 2022-02-15 | 中冶沈勘秦皇岛工程设计研究总院有限公司 | Section rolling system and production method |
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