CN101264487A - Technique method for improving product rate of reversible cold-rolled steel strip - Google Patents
Technique method for improving product rate of reversible cold-rolled steel strip Download PDFInfo
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- CN101264487A CN101264487A CNA2008100972864A CN200810097286A CN101264487A CN 101264487 A CN101264487 A CN 101264487A CN A2008100972864 A CNA2008100972864 A CN A2008100972864A CN 200810097286 A CN200810097286 A CN 200810097286A CN 101264487 A CN101264487 A CN 101264487A
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Abstract
The invention provides a technological method for improving the rolling yield of reversible cold rolled steel strips, applicable for the production field of preliminary treatment acid washing and annealing acid washing of the cold rolled steel strip production. The technological method is characterized in that a guiding tape, the length of which is required by tape tail welding of the coil of strip, is added at the uncoiling point in front of the preliminary treatment acid washing and annealing acid washing machine group in the technological procedure of the reversible cold rolling. The technological method has the advantages that the technological method does not consume the production time of the machine group and at the same time solves the problems of low rolling yield of the reversible cold rolled steel strips in subsequent process steps; thus, the technological method improves the rolling yield of the strip material and saves production cost.
Description
Technical field
The invention belongs to the cold-rolling pickling production field, relate in particular to the production field that is used for reversible cold rolled strip steel production pre-treatment pickling and annealing and pickling.
Background technology
Now during the technology arrangement in domestic original cold rolling workshop, reversible cold rolled strip steel production mostly adopts does not weld leader tape, this moment, unit was owing to have waste-oil scavenger between left and right sides coiling machine and the milling train, equipment such as water squeezing equipment and calibrator, has certain distance between left and right sides coiling machine and the milling train, in order to set up the required tension force of reversible rolling, stable reversible process, the magnetic tape trailer of taking the lead that will keep the band steel of one to two circle and be somebody's turn to do apart from the length steel band on the reel of left and right sides coiling machine be that milling train can not roll, therefore the thickness of magnetic tape trailer of taking the lead of this segment length can not reach the thickness of finished product necessary requirement, therefore the lumber recovery of this band reduces, raw material can not make full use of, and causes the waste of raw material.The reversable cold-rolling machine group that also has has welding and takes the lead the magnetic tape trailer function; the technological process of this unit such as Fig. 1; its process is that uncoiler is opened coil of strip; open the roll coil of strip; cut irregular taking the lead; welding band-leading on jig then; wear band and arrive right coiling machine through milling train; wait the irregular magnetic tape trailer of the roll coil of strip when crop end is cut then, cut irregular part, magnetic tape trailer is during to jig; compressor emergency shutdown; at magnetic tape trailer place welding band-leading, postwelding through on the left coiling machine, starts left coiling machine to magnetic tape trailer; set up normal rolling mechanism after twining one to two circle; shortcoming with this process program is compressor emergency shutdown weld interval, has influenced the production capacity of unit, causes the reduction of production efficiency.
Summary of the invention
Low in order to overcome domestic original reversible cold rolling unit production efficiency, production capacity is low, the deficiency that the sheet material waste is big, take the lead the magnetic tape trailer welding band-leading at coil of strip before and after the present invention adopts and to produce in the pickling of reversible cold rolled strip steel production pre-treatment and annealing and pickling unit, this moment, steel band did not take the production time of unit, do not influence the production capacity and the production efficiency of pickling and annealing and pickling unit, do not influence the production of reversible rolling unit yet, thereby improved the production capacity of production efficiency and unit.
The technical scheme that the present invention solves its technical problem is: uncoiling place of pickling or annealing and pickling unit front is increased in the step of leader tape of taking the lead to weld Len req of coil of strip in the pre-treating technology of reversible cold-rolling process step, is increased in the step of the magnetic tape trailer place welding Len req leader tape of steel band after pickling or annealing and pickling processing step are finished.
Coil of strip is at the saddle place when taking the lead with the magnetic tape trailer welding band-leading, on the unit before the volume and after unloading volume, the production time of the vacant unit of welding band-leading, do not influence the process speed and the process time of unit.Take the lead before the magnetic tape trailer welding band-leading earlier irregularly take the lead, magnetic tape trailer cuts off, coil of strip is taken the lead magnetic tape trailer and is in the jig place at the saddle place or loading and unloading dolly place when taking the lead the magnetic tape trailer welding band-leading, leader tape is rolled after finishing welding process.
The required equipment of process of this raising product rate of reversible cold-rolled steel strip pre-treatment, it is characterized in that adding jig before and after the unit saddle at original pickling or annealing and pickling and cutting of shear band headband tail cut, be the unit saddle of original pickling or annealing and pickling or loading and unloading dolly are changed into the equipment with live roll.
The invention has the beneficial effects as follows: this reversible cold rolled strip steel production pre-treatment pickling and the annealing and pickling of being used for, since the process of welding band-leading be in the preparatory process of pickling and annealing and pickling unit, finish therefore do not take the production time, do not influence the production efficiency of pickling and annealing and pickling unit yet, in like manner do not influence the production efficiency of reversible cold-strip steel unit yet; Because the technical process of welding band-leading has been arranged, the raw material coil of strip does not need to waste takes the lead the waste material that the magnetic tape trailer certain-length can not become a useful person, as long as weld strength is enough, used leader tape can be consistent with the coil of strip material leader tape, and can recycle after in follow-up operation, cutting away, improve the utilization rate of leader tape, reduce production cost, improve the production capacity of production efficiency and unit, reduced energy waste.
Description of drawings
Fig. 1: reversable cold-rolling machine group with welding band-leading function
Fig. 2: pickling unit and annealing and pickling unit with welding band-leading function
The specific embodiment
By crane coil of strip is put into the saddle place, the position of taking the lead according to steel band, coil of strip is placed on the saddle, the band of unpacking, this saddle is the equipment that has live roll, start its live roll of its power drive, make coil of strip rotation with coil of strip take the lead open, pass through coil opener, steel band is delivered to the crop shears place, live roll shuts down, and cuts irregular taking the lead, and drives the live roll rotation then, take the lead to advance, stop motion is taken the lead in the appropriate location that arrives jig, by the roll-type delivery platform leader tape of Len req is transported on the jig, with first welding of spring tape, after the leader tape welding of taking the lead is finished, restart the live roll backward rotation of saddle, drive the coil of strip rotation, the leader tape that welds is rolled.Wait for the feeding cart material loading then, feeding cart holds up the roll coil of strip and is placed on the reel of uncoiler, steel band is worn band, finish the overall process of pickling or annealing and pickling, in the process of pickling and annealing and pickling, docking shears is arranged, cut irregular magnetic tape trailer, after coiling machine is spooled a coil of strip, following trolley unloads coil of strip from winder, be put on the saddle, this saddle is the equipment that has live roll, starts its live roll of its power drive and makes the coil of strip rotation, the magnetic tape trailer of coil of strip is opened, magnetic tape trailer advances on the jig, and live roll shuts down, and magnetic tape trailer halts, by the roll-type delivery platform leader tape of Len req is transported to jig, with first welding of spring tape, after the leader tape of taking the lead welding is finished, the live roll backward rotation of restarting saddle, the leader tape that welds is rolled in the rotation of driving coil of strip.
By crane the coil of strip that welds leader tape is delivered to the reversable cold-rolling machine group, its process is that uncoiler starts coil of strip, open the roll coil of strip, what leader tape was arranged takes the lead to pass through coil opener, left side coiling machine, oil removing, water squeezing, calibrator, main mill, calibrator, water squeezing, oil removing, right coiling machine, wear and take right coiling machine to behind one to two circle of volume on the reel, the unit interlock, when the weld seam detection signal shows that weld seam is by behind the milling train, milling train begins the rolling of first passage, set up normal mill speed, when the weld seam signal demonstration of magnetic tape trailer will be passed through milling train, the milling train top working roll lifts, the magnetic tape trailer that is welded with leader tape is batched left coiling machine on reel, roll up the reverse driving of one to two circle back unit, when the left side of weld seam, begin the rolling of second passage at milling train.When this coil volume thickness reaches the specification of regulation requirement, from coiling machine, the roll coil of strip is unloaded, is transported to subsequent processing, in subsequent processing steel band head and tail leader tape cut, remove position while welding, for next step pickling or the annealing and pickling processing step in reuse.
Another embodiment is that the device of the holder coil of strip of loading and unloading dolly is the roller with power.The good coil of strip of position of sound production of taking the lead according to coil of strip is at the saddle place, feeding cart rises the picking-up coil of strip and loses seat, start its live roll of its power drive, make coil of strip rotation with coil of strip take the lead open, pass through coil opener, steel band is delivered to the crop shears place, and live roll shuts down, and cuts irregular taking the lead, drive the live roll rotation then, take the lead to advance, stop motion is taken the lead in the appropriate location that arrives jig, by the roll-type delivery platform leader tape of Len req is transported on the jig, with first welding of spring tape, the live roll backward rotation that feeding cart is restarted in the leader tape welding of taking the lead drives the coil of strip rotation, and the leader tape that welds is rolled.Feeding cart picking-up coil of strip is placed on the reel of uncoiler then, finish the material loading process, in like manner descend trolley that coil of strip is unloaded from winder, be parked in the saddle place, start its live roll of its power drive and make the coil of strip rotation, the magnetic tape trailer of coil of strip is opened, and magnetic tape trailer advances on the jig, and live roll shuts down, magnetic tape trailer halts, by the roll-type delivery platform leader tape of Len req is transported to jig, with first welding of spring tape, after the leader tape of taking the lead welding is finished, descend the live roll backward rotation of trolley again, the leader tape that welds is rolled in the rotation of driving coil of strip, thereby finishes the overall process of welding band-leading.
Claims (6)
1. process that improves product rate of reversible cold-rolled steel strip, pickling or annealing and pickling is characterized in that in the pre-treating technology of reversible cold-rolling process step: uncoiling place in the unit front is increased in the step of leader tape of taking the lead to weld Len req of coil of strip, is increased in the step of the magnetic tape trailer place welding Len req leader tape of steel band after pickling or annealing and pickling processing step are finished.
2. a kind of process that improves product rate of reversible cold-rolled steel strip as claimed in claim 1, coil of strip is at the saddle place or loading and unloading dolly place when it is characterized in that taking the lead with the magnetic tape trailer welding band-leading, before rolling up on the unit and after unloading volume, the production time of the vacant unit of welding band-leading.
3. a kind of process that improves product rate of reversible cold-rolled steel strip as claimed in claim 1, it is characterized in that taking the lead before the magnetic tape trailer welding band-leading earlier irregularly take the lead, magnetic tape trailer cuts off.
. a kind of process that improves product rate of reversible cold-rolled steel strip as claimed in claim 1, coil of strip after welding is finished is rolled leader tape at the saddle place or loading and unloading dolly place when it is characterized in that taking the lead the magnetic tape trailer welding band-leading.
. a kind of required equipment of process that improves product rate of reversible cold-rolled steel strip as claimed in claim 1 is characterized in that before and after the unit at original pickling or annealing and pickling that the saddle place adds jig and cutting of shear band headband tail cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100972864A CN101264487A (en) | 2008-05-09 | 2008-05-09 | Technique method for improving product rate of reversible cold-rolled steel strip |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008100972864A CN101264487A (en) | 2008-05-09 | 2008-05-09 | Technique method for improving product rate of reversible cold-rolled steel strip |
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| CN101264487A true CN101264487A (en) | 2008-09-17 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513352A (en) * | 2011-11-14 | 2012-06-27 | 云南钛业股份有限公司 | Method for increasing yield of titanium coils produced by reversible cold rolling unit |
| CN102806423A (en) * | 2011-05-30 | 2012-12-05 | 宝山钢铁股份有限公司 | Welding wire filling laser welding method utilizing non-oriented silicon steel |
| CN103143587A (en) * | 2013-03-18 | 2013-06-12 | 济钢集团国际工程技术有限公司 | Device and method suitable for improving yield of welding leading tape of double-stander cold rolling mill |
| CN103302455A (en) * | 2013-06-14 | 2013-09-18 | 鞍钢集团工程技术有限公司 | Multifunctional processing and distributing production line for cold-roll steel sheets |
| CN103521519A (en) * | 2013-10-15 | 2014-01-22 | 莱芜市泰山冷轧板有限公司 | Cold-rolled steel strip rolling method |
| CN105710128A (en) * | 2016-04-01 | 2016-06-29 | 唐山钢铁集团有限责任公司 | Method for improving yield of reciprocating rolled plate |
| CN106391724A (en) * | 2016-11-08 | 2017-02-15 | 广西梧州市金海不锈钢有限公司 | Automatic reversible cold rolling force control device and method |
| CN107138531A (en) * | 2017-06-13 | 2017-09-08 | 浙江协和陶瓷有限公司 | A kind of production line for strip hot-dip galvanizing |
| CN110788566A (en) * | 2019-10-18 | 2020-02-14 | 嘉峪关天源新材料有限责任公司 | Method for improving yield of precious metal bonded composite board |
| CN112122340A (en) * | 2020-07-23 | 2020-12-25 | 洛阳双瑞精铸钛业有限公司 | Process method for improving material yield of cold-rolled titanium strip coil |
| CN112828035A (en) * | 2020-12-31 | 2021-05-25 | 浦项(张家港)不锈钢股份有限公司 | Stainless steel cold rolling method for steckel mill and twenty-high mill cold rolling production line |
| CN114011876A (en) * | 2021-10-25 | 2022-02-08 | 鞍钢重型机械有限责任公司 | Production process of magnesium alloy coiled material capable of realizing repeated use of strip head and strip tail |
| CN114769814A (en) * | 2022-05-16 | 2022-07-22 | 山西太钢不锈钢股份有限公司 | Welding method of hot rolled steel strip on continuous annealing and pickling production line |
-
2008
- 2008-05-09 CN CNA2008100972864A patent/CN101264487A/en active Pending
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102806423A (en) * | 2011-05-30 | 2012-12-05 | 宝山钢铁股份有限公司 | Welding wire filling laser welding method utilizing non-oriented silicon steel |
| CN102806423B (en) * | 2011-05-30 | 2014-08-20 | 宝山钢铁股份有限公司 | Welding wire filling laser welding method utilizing non-oriented silicon steel |
| CN102513352A (en) * | 2011-11-14 | 2012-06-27 | 云南钛业股份有限公司 | Method for increasing yield of titanium coils produced by reversible cold rolling unit |
| CN103143587A (en) * | 2013-03-18 | 2013-06-12 | 济钢集团国际工程技术有限公司 | Device and method suitable for improving yield of welding leading tape of double-stander cold rolling mill |
| CN103143587B (en) * | 2013-03-18 | 2015-09-16 | 济钢集团国际工程技术有限公司 | The welding band-leading being applicable to compact cold strip mill improves the device and method of lumber recovery |
| CN103302455A (en) * | 2013-06-14 | 2013-09-18 | 鞍钢集团工程技术有限公司 | Multifunctional processing and distributing production line for cold-roll steel sheets |
| CN103302455B (en) * | 2013-06-14 | 2016-01-20 | 鞍钢集团工程技术有限公司 | A kind of Multifunctional cold rolled steel plate processing dispensing production line |
| CN103521519A (en) * | 2013-10-15 | 2014-01-22 | 莱芜市泰山冷轧板有限公司 | Cold-rolled steel strip rolling method |
| CN105710128A (en) * | 2016-04-01 | 2016-06-29 | 唐山钢铁集团有限责任公司 | Method for improving yield of reciprocating rolled plate |
| CN106391724B (en) * | 2016-11-08 | 2019-02-05 | 广西梧州市金海不锈钢有限公司 | A kind of auto-reverse cold rolling force control device and control method |
| CN106391724A (en) * | 2016-11-08 | 2017-02-15 | 广西梧州市金海不锈钢有限公司 | Automatic reversible cold rolling force control device and method |
| CN107138531A (en) * | 2017-06-13 | 2017-09-08 | 浙江协和陶瓷有限公司 | A kind of production line for strip hot-dip galvanizing |
| CN107138531B (en) * | 2017-06-13 | 2018-11-02 | 浙江协和陶瓷有限公司 | A kind of production line for strip hot-dip galvanizing |
| CN110788566A (en) * | 2019-10-18 | 2020-02-14 | 嘉峪关天源新材料有限责任公司 | Method for improving yield of precious metal bonded composite board |
| CN110788566B (en) * | 2019-10-18 | 2021-06-08 | 嘉峪关天源新材料有限责任公司 | Method for improving yield of precious metal bonded composite board |
| CN112122340A (en) * | 2020-07-23 | 2020-12-25 | 洛阳双瑞精铸钛业有限公司 | Process method for improving material yield of cold-rolled titanium strip coil |
| CN112828035A (en) * | 2020-12-31 | 2021-05-25 | 浦项(张家港)不锈钢股份有限公司 | Stainless steel cold rolling method for steckel mill and twenty-high mill cold rolling production line |
| CN112828035B (en) * | 2020-12-31 | 2022-04-01 | 浦项(张家港)不锈钢股份有限公司 | Stainless steel cold rolling method for steckel mill and twenty-high mill cold rolling production line |
| CN114011876A (en) * | 2021-10-25 | 2022-02-08 | 鞍钢重型机械有限责任公司 | Production process of magnesium alloy coiled material capable of realizing repeated use of strip head and strip tail |
| CN114769814A (en) * | 2022-05-16 | 2022-07-22 | 山西太钢不锈钢股份有限公司 | Welding method of hot rolled steel strip on continuous annealing and pickling production line |
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Application publication date: 20080917 |