CN103433276A - 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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- CN103433276A CN103433276A CN2013103961966A CN201310396196A CN103433276A CN 103433276 A CN103433276 A CN 103433276A CN 2013103961966 A CN2013103961966 A CN 2013103961966A CN 201310396196 A CN201310396196 A CN 201310396196A CN 103433276 A CN103433276 A CN 103433276A
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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 the Ferrous Metallurgy field, 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.Usually the method for Rolling Production shaped steel is: will be heated to steel billet under the condition of high temperature and send into in the roll of a plurality of passes, rolled piece being carried out to multi-pass deformation and obtain the finished product section product under hot, and 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 a plurality of passes (roll groove) of roll, for each rolling mill that meets shaped steel production is produced required, what bring thus is the increase of milling train quantity and the increase of rollgang length, certainly will cause construction investment, construction, Workshop Production energy consumption and production cost to increase.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of profile steel rolling production line and production method thereof, reduced the quantity of milling train and the barrel length of rollgang, simplified production line, improved production efficiency.
The invention discloses a kind of profile steel rolling production line, comprise the heating unit, ,Zhong Zha unit, roughing unit, finish rolling unit and the finishing unit that set gradually, described roughing unit comprise at least 1 roughing mill and with the drive unit I of roughing mill equal number, described drive unit I drives roughing mill to move axially along the roughing mill roll, and the roll of described roughing mill is provided with the groove of different slotted eyes more than 2 vertically successively; In described, roll unit comprise at least 1 middle milling train and with the drive unit II of middle milling train equal number, during described drive unit II drives milling train along in rolling mill roll move axially, the roll of described middle milling train is provided with the groove of different slotted eyes more than 2 vertically successively; Described finish rolling unit comprises at least 1 finishing mill.
Further, ,Zhong Zha unit, described roughing unit and finish rolling unit are equipped with auxiliary the turning over of milling train and move the steel device.
Further, between Yu Zhongzha unit, described roughing unit and in roll between unit and finish rolling unit and be provided with and move the steel device.
Further, described finishing mill is duo mill, and described duo mill is provided with and drives duo mill along the axially movable drive unit III of duo mill roll, and the roll of described duo mill is provided with the groove of different slotted eyes more than 2 vertically successively.
Further, described finishing mill comprises 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 and drive two roller edging mills along the axially movable drive unit IV of two roller edging mill rolls, the roll of two roller edging mills be provided with successively vertically the groove of different slotted eyes more than 2.
The invention also discloses a kind of method of using above-mentioned profile steel rolling production line to produce shaped steel, comprise the following steps:
(1) rolled piece is heated to rolling temperature at heating unit;
(2) rolled piece enters the roughing unit, complete a slotted eye rolling in roughing mill after, the drive unit I drives roughing mill to move axially along the roughing mill roll, the next slotted eye that makes roughing mill move on rear roll is aimed at and is rolled with rolled piece, in the rolling pass gap, assist to turn over by milling train and move the steel device rolled piece is turned over to steel;
(3) rolled piece rolls unit in entering, complete a slotted eye rolling in middle milling train after, during the drive unit II drives milling train along in rolling mill roll move axially, the next slotted eye that makes milling train move on rear roll is aimed at and is rolled with rolled piece, in the rolling pass gap, assist to turn over by milling train and move the steel device rolled piece is turned over to steel;
(4) rolled piece enters the finish rolling unit, complete a slotted eye rolling in duo mill after, the drive unit III drives duo mill to move axially along roll, the next slotted eye that makes duo mill move on rear roll is aimed at and is rolled with rolled piece, in the rolling pass gap, assist to turn over by milling train and move the steel device rolled piece is turned over to steel; Perhaps rolled piece enters the finish rolling unit, by four-roll universal rolling machine and two roller edging mills, be rolled, after two roller edging mills complete a slotted eye rolling, the drive unit IV drives two roller edging mills to move axially along two roller edging mill rolls, making two roller edging mills move next slotted eye on rear roll aims at rolled piece and is rolled by four-roll universal rolling machine and two roller edging mills, in the rolling pass gap, assist to turn over by milling train and move the steel device rolled piece is turned over to steel;
(5) rolled piece enters the finishing processing of finishing unit, finally obtains the shaped steel finished product.
Beneficial effect of the present invention is: the present invention includes following advantage:
1) reduced the quantity of rolling line milling train, shortened the length of rollgang, engineering construction investment, engineering construction quantities have been reduced, lower the rollgang transportation and driven energy consumption, improved the roller bed rotation flexibility, reduce whole energy consumption and operation cost, improved production efficiency and productive profit, strengthened enterprise competitiveness;
2) production operation is simple, has reduced equipment failure rate, has reduced the Maintenance and Repair workload;
Do not move frequently steel to pass when 3) rolled piece does not need as traditional steel rolling, rolled piece only keeps in position motionless or only according to technique, need to turn over steel, has eliminated the traversing scuffing caused of rolled piece, significantly improves the surface quality of rolled piece;
The accompanying drawing explanation
For make the invention purpose, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the present invention is described in further detail, wherein:
The process equipment layout drawing that Fig. 1 is the embodiment of the present invention 1;
The process equipment layout drawing that Fig. 2 is the embodiment of the present invention 2;
The process equipment layout drawing that Fig. 3 is the embodiment of the present invention 3.
The specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
Embodiment 1
The process equipment layout drawing that Fig. 1 is the embodiment of the present invention 1, as shown in Figure 1, profile steel rolling production line of the present invention, comprise the heating unit 1, ,Zhong Zha unit, roughing unit, finish rolling unit and the finishing unit 13 that set gradually, described roughing unit comprise 1 roughing mill 2 and with the drive unit I 3 of roughing mill 2 equal numbers, described drive unit I 3 drives roughing mill 2 to move axially along the roughing mill roll, and the roll of described roughing mill 2 is provided with the groove of different slotted eyes more than 2 vertically successively; In described, roll unit comprise 1 middle milling train 4 and with the drive unit II 5 of middle milling train 4 equal numbers, 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 different slotted eyes more than 2 vertically successively; Described finish rolling 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 the Comprehensive Control adjustment of machinery, electric and hydraulic pressure each side, realize that milling train moves axially along roll, the groove aligning rolled piece of the different slotted eyes on rolling mill roll is rolled respectively.According to the 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, entered next process so that more convenient and be rolled, avoid fault in production.
In the present embodiment, ,Zhong Zha unit, described roughing unit and finish rolling unit are 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 the rolling pass gap, rolled piece are turned over to steel.
In the present embodiment, between Yu Zhongzha unit, described roughing unit and in roll between unit and finish rolling unit and be provided with and move steel device 9, layout has effectively shortened rolling line length like this, can make each milling train unit 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 and drives duo mill 10 along the axially movable drive unit III 6 of duo mill roll, and the roll of described duo mill 10 is provided with the groove of different slotted eyes more than 2 vertically successively.Milling train moves axially along roll, and the groove aligning rolled piece of the different slotted eyes on rolling mill roll is rolled respectively, finally rolls out hot lower finished product.
The process equipment layout drawing that Fig. 2 is the embodiment of the present invention 2, as shown in Figure 2, profile steel rolling production line of the present invention, comprise the heating unit 1, ,Zhong Zha unit, roughing unit, finish rolling unit and the finishing unit 13 that set gradually, described roughing unit comprise 1 roughing mill 2 and with the drive unit I 3 of roughing mill 2 equal numbers, described drive unit I 3 drives roughing mill 2 to move axially along the roughing mill roll, and the roll of described roughing mill 2 is provided with the groove of different slotted eyes more than 2 vertically successively; In described, roll unit comprise 2 middle milling trains 4 and with the drive unit II 5 of middle milling train 4 equal numbers, 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 different slotted eyes more than 2 vertically successively; Described finish rolling 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 the Comprehensive Control adjustment of machinery, electric and hydraulic pressure each side, realize that milling train moves axially along roll, the groove aligning rolled piece of the different slotted eyes on rolling mill roll is rolled respectively.According to the 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, entered next process so that more convenient and be rolled, avoid fault in production.
In the present embodiment, ,Zhong Zha unit, described roughing unit and finish rolling unit are 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 the rolling pass gap, rolled piece are turned over to steel.
In the present embodiment, between Yu Zhongzha unit, described roughing unit and in roll between unit and finish rolling unit and be provided with 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 deformations, enters rolling in second middle milling train 4 in first, moves steel device 9 and has effectively shortened rolling line length, can make each milling train unit be rolled separately simultaneously, improve rolling efficiency.
In the present embodiment, described finishing mill is duo mill 10, and described duo mill 10 is provided with and drives duo mill 10 along the axially movable drive unit III 6 of duo mill roll, and the roll of described duo mill 10 is provided with the groove of different slotted eyes more than 2 vertically successively.Milling train moves axially along roll, and the groove aligning rolled piece of the different slotted eyes on rolling mill roll is rolled respectively, finally rolls out hot lower finished product.
The process equipment layout drawing that Fig. 3 is the embodiment of the present invention 3, as shown in Figure 3, profile steel rolling production line of the present invention, comprise the heating unit 1, ,Zhong Zha unit, roughing unit, finish rolling unit and the finishing unit 13 that set gradually, described roughing unit comprise 1 roughing mill 2 and with the drive unit I 3 of roughing mill 2 equal numbers, described drive unit I 3 drives roughing mill 2 to move axially along the roughing mill roll, and the roll of described roughing mill 2 is provided with the groove of different slotted eyes more than 2 vertically successively; In described, roll unit comprise 1 middle milling train 4 and with the drive unit II 5 of middle milling train 4 equal numbers, 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 different slotted eyes more than 2 vertically successively; Described finish rolling unit comprise 3 finishing mills and with the drive unit III 6 of finishing mill equal number, described drive unit III 6 drives finishing mills to move axially along the finishing mill roll, the roll of described finishing mill is provided with the groove of different slotted eyes more than 2 vertically successively.The slotted eye of each rolling unit milling train quantity and each rolling mill roll top pass is set, drive unit comprises the Comprehensive Control adjustment of machinery, electric and hydraulic pressure each side, realize that milling train moves axially along roll, the groove aligning rolled piece of the different slotted eyes on rolling mill roll is rolled respectively.According to the 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, entered next process so that more convenient and be rolled, avoid fault in production.
In the present embodiment, ,Zhong Zha unit, described roughing unit and finish rolling unit are 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 the rolling pass gap, rolled piece are turned over to steel.
In the present embodiment, between Yu Zhongzha unit, described roughing unit and in roll between unit and finish rolling unit and be provided with and move steel device 9, layout has effectively shortened rolling line length like this, can make each milling train unit be rolled separately simultaneously, improves rolling efficiency.
In the present embodiment, described finishing mill comprises that the four-roll universal rolling machine 11, two roller edging mills 12 and four-roll universal rolling machine 11, the four roller Universal motors that set gradually maintain static, and by four rolls, forms the particular bore type, the online stroke of adjusting roll, the pass of composition different section size; Described two roller edging mills 12 are provided with and drive two roller edging mills 12 along the axially movable drive unit IV 14 of two roller edging mill rolls, the roll of two roller edging mills 12 be provided with successively vertically the groove of different slotted eyes more than 2.Pass by the four-roll universal rolling machine different section is rolled rolled piece with the groove of the different slotted eyes of two roller edging mills, 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 the roughing unit, complete a slotted eye rolling in roughing mill 2 after, drive unit I 3 drives roughing mill 2 to move axially along the roughing mill roll, the next slotted eye that makes roughing mill 2 move on rear roll is aimed at and is rolled with rolled piece, in the rolling pass gap, assist to turn over by milling train and move 7 pairs of rolled pieces of steel device and turned over steel, but rolled piece both rolling a time in a certain groove are just changed groove and also reciprocally after some passage rollings, changed groove again;
(3) rolled piece rolls unit in entering, complete a slotted eye rolling in middle milling train 4 after, during drive unit II 5 drives milling train 4 along in rolling mill roll move axially, the next slotted eye that makes milling train 4 move on rear roll is aimed at and is rolled with rolled piece, in the rolling pass gap, assist to turn over by milling train and move 7 pairs of rolled pieces of steel device and turned over steel, but rolled piece both rolling a time in a certain groove are just changed groove and also reciprocally after some passage rollings, changed groove again;
(4) rolled piece enters the finish rolling 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 next slotted eye that makes duo mill 10 move on rear roll is aimed at and is rolled with rolled piece, in the rolling pass gap, assist to turn over by milling train and move 7 pairs of rolled pieces of steel device and turned over steel, perhaps rolled piece enters the finish rolling unit, by four-roll universal rolling machine 11 and two roller edging mills 12, be rolled, after two roller edging mills 12 complete a slotted eye rolling, four-roll universal rolling machine is by regulating the 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, making two roller edging mills 12 move next slotted eye on rear roll aims at rolled piece and is rolled by four-roll universal rolling machine and two roller edging mills, in the rolling pass gap, assist to turn over by milling train and move the steel device rolled piece is turned over to steel,
(5) rolled piece enters the 13 finishing processing of finishing unit, finally obtains the shaped steel finished product.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although by with reference 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, can make various changes to it in the form and details, and not depart from the spirit and scope of the present invention that appended claims limits.
Claims (6)
1. a profile steel rolling production line, comprise the heating unit, ,Zhong Zha unit, roughing unit, finish rolling unit and the finishing unit that set gradually, it is characterized in that: described roughing unit comprise at least 1 roughing mill and with the drive unit I of roughing mill equal number, described drive unit I drives roughing mill to move axially along the roughing mill roll, and the roll of described roughing mill is provided with the groove of different slotted eyes more than 2 vertically successively; In described, roll unit comprise at least 1 middle milling train and with the drive unit II of middle milling train equal number, during described drive unit II drives milling train along in rolling mill roll move axially, the roll of described middle milling train is provided with the groove of different slotted eyes more than 2 vertically successively; Described finish rolling unit comprises at least 1 finishing mill.
2. profile steel rolling production line according to claim 1 is characterized in that: ,Zhong Zha unit, described roughing unit and finish rolling unit are equipped with auxiliary the turning over of milling train and move the steel device.
3. profile steel rolling production line according to claim 1 is characterized in that: between Yu Zhongzha unit, described roughing unit and in roll between unit and finish rolling unit and be provided with and move the steel device.
4. according to the described profile steel rolling production line of claim 1 to 4 any one, it is characterized in that: described finishing mill is duo mill, described duo mill is provided with and drives duo mill along the axially movable drive unit III of duo mill roll, and the roll of described duo mill is provided with the groove of different slotted eyes more than 2 vertically successively.
5. according to the described profile steel rolling production line of claim 1 to 4 any one, it is characterized in that: described finishing mill comprises 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 and drive two roller edging mills along the axially movable drive unit IV of two roller edging mill rolls, the roll of two roller edging mills be provided with successively vertically the groove of different slotted eyes more than 2.
6. right to use requires the method that the described profile steel rolling production line of 1 to 5 any one is produced shaped steel, it is characterized in that: comprise the following steps:
(1) rolled piece is heated to rolling temperature at heating unit;
(2) rolled piece enters the roughing unit, complete a slotted eye rolling in roughing mill after, the drive unit I drives roughing mill to move axially along the roughing mill roll, the next slotted eye that makes roughing mill move on rear roll is aimed at and is rolled with rolled piece, in the rolling pass gap, assist to turn over by milling train and move the steel device rolled piece is turned over to steel;
(3) rolled piece rolls unit in entering, complete a slotted eye rolling in middle milling train after, during the drive unit II drives milling train along in rolling mill roll move axially, the next slotted eye that makes milling train move on rear roll is aimed at and is rolled with rolled piece, in the rolling pass gap, assist to turn over by milling train and move the steel device rolled piece is turned over to steel;
(4) rolled piece enters the finish rolling unit, complete a slotted eye rolling in duo mill after, the drive unit III drives duo mill to move axially along roll, the next slotted eye that makes duo mill move on rear roll is aimed at and is rolled with rolled piece, in the rolling pass gap, assist to turn over by milling train and move the steel device rolled piece is turned over to steel; Perhaps rolled piece enters the finish rolling unit, by four-roll universal rolling machine and two roller edging mills, be rolled, after two roller edging mills complete a slotted eye rolling, the drive unit IV drives two roller edging mills to move axially along two roller edging mill rolls, making two roller edging mills move next slotted eye on rear roll aims at rolled piece and is rolled by four-roll universal rolling machine and two roller edging mills, in the rolling pass gap, assist to turn over by milling train and move the steel device rolled piece is turned over to steel;
(5) rolled piece enters the finishing processing of finishing unit, finally obtains the shaped steel finished product.
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| CN104319016A (en) * | 2014-11-06 | 2015-01-28 | 无锡锡洲电磁线有限公司 | Electromagnetic wire semi-hard 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 |
| CN112058918A (en) * | 2020-09-25 | 2020-12-11 | 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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| 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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| CN103433276B (en) | 2015-06-10 |
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