CN104607496B - A kind of jaw type coiling machine coil stripping method - Google Patents
A kind of jaw type coiling machine coil stripping method Download PDFInfo
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- CN104607496B CN104607496B CN201510042264.8A CN201510042264A CN104607496B CN 104607496 B CN104607496 B CN 104607496B CN 201510042264 A CN201510042264 A CN 201510042264A CN 104607496 B CN104607496 B CN 104607496B
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- coil
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- strip
- jaw
- coil stripping
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Abstract
The invention discloses a kind of jaw type coiling machine coil stripping method, during coil stripping car unloads volume automatically, after drum collapsing, jaw are opened, the direction contrary by driven by motor reel rotation direction in time normally batching with reel turns an angle, and then proceedes to perform residue and unloads scrolling work.This method is by turning an angle direction contrary for reel rotation direction in time normally batching with reel, reduce the frictional force between strip steel head and jaw hyoplastron, when making to unload volume strip steel head can the most successfully from jaw level extract out, thus improve speed and the work efficiency of whole milling train unloading volume, solve the problem such as coil of strip curls inward turriform, coil of strip inner surface scraping simultaneously, improve product quality.
Description
Technical field
The present invention relates to cold rolling technology field, be specifically related to a kind of jaw type coiling machine coil stripping method.
Background technology
In strip steel produces, rolling rhythm is related to the production efficiency of strip steel the most smoothly, and is related to without the coil of strip of turriform and carries
The product quality of steel.Coil of strip automatically unload the important component part that volume program is strip steel production technology, if it is smooth to unload volume, no
But the seriality that impact produces, but also it is likely to result in coil of strip curls inward turriform, affect product quality.
Equipment involved by strip coiling process mainly has coiling machine, coil stripping car etc..Jaw type crimping machine is that Application comparison is extensive
A kind of coiling machine, be made up of motor, decelerator, reel, Wrapping Roll etc..Reel includes hydraulic cylinder, mandrel, pull bar, tiltedly
Wedge, secter pat, jaw hyoplastron etc..Reel rises footpath, and hydraulic cylinder pulls mandrel, makes wedge move, and promotes secter pat circumference to open,
With jaw on one secter pat of reel, after strip steel head is imported into jaw, secter pat expansion clamps together with jaw hyoplastron
Strip steel；Drum collapsing, wedge reversely moves, and secter pat is retracted under the pulling force effect of folded spring, unclamps strip steel head.Wrapping Roll
With suitable thrust by strip steel compress and to strip steel provide frictional force make it be close on reel, be unlikely to skid, start in curling
Time strip steel plastic deformation is beneficial to curling, compress tail part of band steel when curling ending and prevent afterbody from upwarping and loose winding.Coil stripping car
Major function is that coil of strip is unloaded from reel, and is transplanted on appointment position.
In production, when crimping machine coiling band steel, first strip steel head being imported jaw, then reel rises footpath, jaw clamping strip steel,
Driven by motor reel coiling band steel；After strip steel whipping completes, batch end, start volume program of automatically unloading: coil stripping car rises,
Carrying out afterbody location, idler roller of trolley rising holds coil of strip, and after being close to coil of strip, it is locked that dolly reaches to set pressure, and reel contracts
Footpath, movable supporting opens, and coil of strip is unloaded from reel by coil stripping car, transports appointment position to, and lifting hydraulic cylinder drops to lower pole
Extreme position also unloads coil of strip, and coil stripping car returns initial bit.
Under normal operating conditions, automatically unload volume program and can preferably complete automatically to unload volume.But in actual production, due to strip steel
The elasticity of head itself, even if reel is under the existing control automatically unloading volume program after undergauge, between strip steel head and jaw hyoplastron
Still there is bigger frictional force, during unloading volume, causes strip steel head successfully not extract out from the jaw opened, cause
Automatically unloading and roll up unsuccessfully, even coiling machine is shut down, and has a strong impact on production efficiency.If unloading volume by force, in also causing coil of strip
The volume problem such as turriform, coil of strip inner surface scraping, has a strong impact on product quality.Owing to strip steel production field generally uses main equipment,
Tending to use ripe technology in technique, coil of strip weighs greatly in addition, and this problem is never solved.
Summary of the invention
Present invention solves the technical problem that and be to provide a kind of jaw type coiling machine coil stripping method so that when unloading volume, strip steel head is permissible
The most successfully from jaw, level is extracted out, thus improves speed and the work efficiency of whole milling train unloading volume, solves coil of strip simultaneously
The involute problem such as turriform, coil of strip inner surface scraping, improves product quality.
The present invention provides a kind of jaw type coiling machine coil stripping method, comprises the following steps:
(1). when coiling machine coiling band steel is near completion, 2#Wrapping Roll is opened to extreme position, the raise-lower hydraulic on coil stripping car
Cylinder drives carrying roller to rise to position of readiness at a high speed from initial bit；
(2).1#、3#Wrapping Roll compresses strip steel tail end, and strip steel tail end is driven by reel is specifying position to stop；
(3). the carrying roller of coil stripping car is risen by position of readiness low speed, stops after holding coil of strip and reaching to set pressure；
(4).1#、3#Wrapping Roll is opened to extreme position；
(5). drum collapsing to designated diameter, reel jaw is opened；
(6). the direction that driven by motor reel rotation direction in time normally batching with reel is contrary turns an angle；
(7). coil of strip is unloaded from reel by coil stripping car coil of strip horizontal movement in tow, at continuation horizontal movement to fixed rack, stops
Only；
(8). coil stripper car supporting roller drops to lower limit position, and after coil of strip is unloaded to fixing bracket body, coil stripping car returns initial bit,
Prepare to unload volume next time.
Preferably, during the direction that reel rotation direction in time normally batching with reel is contrary in described step (6) rotates,
Coil stripper car supporting roller is by the locking device locking being arranged on coil stripping car.
Preferably, during the direction that reel rotation direction in time normally batching with reel is contrary in described step (6) rotates,
1#And/or 3#Wrapping Roll compresses coil of strip；After the direction contrary when reel rotation direction in time normally batching with reel has rotated, 1#
And/or 3#Wrapping Roll is opened to extreme position.
Preferably, the rotational angle in described step (6) is 1 °～4 °.
Preferably, during the direction that reel rotation direction in time normally batching with reel is contrary in described step (6) rotates,
Described angle is by jaw positioner Monitoring and Controlling.
Preferably, after described step (3) middle idler roller stops rising, the piston rod of lifting hydraulic cylinder is locked by locking device.
Preferably, described locking device is hydraulic locking valve block, and described hydraulic locking valve block is fixed on the bottom of lifting hydraulic cylinder.
The invention provides a kind of jaw type coiling machine coil stripping method, when drum collapsing to designated diameter, after reel jaw is opened,
Direction contrary for reel rotation direction in time normally batching with reel is turned an angle, serves unforeseeable effect, table
Present: to reduce the frictional force between strip steel head and jaw hyoplastron so that when unloading volume, strip steel head can be the most successfully from pincers
In Kou, level is extracted out, not only increases speed and the work efficiency of whole milling train unloading volume, also solve simultaneously coil of strip curls inward turriform,
The problems such as coil of strip inner surface scraping, improve product quality, solve an open question the most always.
Further, during the direction that reel rotation direction in time normally batching with reel is contrary rotates, coil stripping car torr
Roller is by the locking device locking being arranged on coil stripping car so that when reel rotates backward, carrying roller is fixed, increases
Frictional force between carrying roller and coil of strip, thus prevent coil of strip from rotating along with reel reversion so that strip steel head and jaw hyoplastron energy
Enough being sufficiently separated, when unloading volume, strip steel head can the most successfully level extraction from jaw.
Further, during the direction that reel rotation direction in time normally batching with reel is contrary rotates, 1#And/or 3#Help
Winding up roller compresses coil of strip, by 1#And/or 3#Wrapping Roll compresses coil of strip, coil of strip concomitant rotation when preventing reel from inverting further, it is ensured that
Strip steel head can be sufficiently separated with jaw hyoplastron, and when unloading volume, strip steel head can the most successfully level extraction from jaw.
Accompanying drawing explanation
Fig. 1. the flow chart of the jaw type coiling machine coil stripping method that the embodiment of the present invention provides.
Detailed description of the invention
In order to be further appreciated by the present invention, below in conjunction with embodiment, the preferred embodiment of the invention is described, but should manage
Solving, these describe simply as further illustrating the features and advantages of the present invention rather than limiting to the claimed invention.
The invention provides a kind of jaw type coiling machine coil stripping method, comprise the following steps:
(1). when coiling machine coiling band steel is near completion, 2#Wrapping Roll is opened to extreme position, the raise-lower hydraulic on coil stripping car
Cylinder drives carrying roller to rise to position of readiness at a high speed from initial bit；
(2).1#、3#Wrapping Roll compresses strip steel tail end, and strip steel tail end is driven by reel is specifying position to stop；
(3). the carrying roller of coil stripping car is risen by position of readiness low speed, stops after holding coil of strip and reaching to set pressure；
(4).1#、3#Wrapping Roll is opened to extreme position；
(5). drum collapsing to designated diameter, reel jaw is opened；
(6). the direction that driven by motor reel rotation direction in time normally batching with reel is contrary turns an angle；
(7). coil of strip is unloaded from reel by coil stripping car coil of strip horizontal movement in tow, at continuation horizontal movement to fixed rack, stops
Only；
(8). coil stripper car supporting roller drops to lower limit position, and after coil of strip is unloaded to fixing bracket body, coil stripping car returns initial bit,
Prepare to unload volume next time.
The invention provides a kind of jaw type coiling machine coil stripping method, when drum collapsing to designated diameter, after reel jaw is opened,
Direction contrary for reel rotation direction in time normally batching with reel is turned an angle, serves unforeseeable effect, table
Present: to reduce the frictional force between strip steel head and jaw hyoplastron so that when unloading volume, strip steel head can be the most successfully from pincers
In Kou, level is extracted out, not only increases speed and the work efficiency of whole milling train unloading volume, also solve simultaneously coil of strip curls inward turriform,
The problems such as coil of strip inner surface scraping, improve product quality, solve an open question the most always.
In practical operation, owing to coil stripper car supporting roller can be freely rotatable along its axle, therefore, when reel normally batches to reel
Time during the contrary direction of rotation direction rotates, carrying roller is less to the fixation of coil of strip, and coil of strip inverts such as reel
And rotate.To this end, the present invention is further, in the mistake that the direction that reel rotation direction in time normally batching with reel is contrary rotates
Cheng Zhong, coil stripper car supporting roller is by the locking device locking being arranged on coil stripping car so that when reel rotates backward, and carrying roller is solid
Fixed motionless, to increase the carrying roller fixation to coil of strip, thus prevent coil of strip from rotating along with reel reversion so that band steel toe
Portion can be sufficiently separated with jaw hyoplastron, and when unloading volume, strip steel head can the most successfully level extraction from jaw.
In practical operation, only according to coil stripper car supporting roller, coil of strip is fixed, there may come a time when that dynamics is inadequate, especially unload coil diameter
The coil of strip that bigger or weight ratio is bigger.To this end, the present invention is further, in reel rotation side in time normally batching with reel
During rotating in the opposite direction, utilize 1#With 3#Wrapping Roll compresses coil of strip, strengthens the fixation to coil of strip further,
Coil of strip concomitant rotation when preventing reel from inverting, it is ensured that strip steel head can be sufficiently separated with jaw hyoplastron, when unloading volume, strip steel head can
With the most successfully level extraction from jaw.
In the present invention, the direction that driven by motor reel rotation direction in time normally batching with reel is contrary turns an angle, institute
Stating angle is 1 °～4 °, preferably 1.5 °.For this reason, it may be necessary to the counter-rotational angle degree of real-time inspection and control reel,
In one embodiment of the present of invention, it is preferred to use the angle degree of jaw positioner real-time inspection and control spool turns.
When, after drum collapsing, originally being changed by the coil of strip weight of roll support and supported by coil stripper car supporting roller, and carrying roller is by raise-lower hydraulic
The piston rod of cylinder supports, and in practical operation, owing to coil of strip weight is big or lifting hydraulic cylinder fault, piston rod can occur Hui Songxian
As, cause coil of strip eccentric, even coil of strip inner surface contacts with reel, even if now reel reversion certain angle, coil stripping car is also
Coil of strip quickly successfully can not be unloaded from reel.To this end, in the present invention, it is preferred to hold when described coil stripper car supporting roller
Coil of strip reaching sets after pressure stops rising, locking device the piston rod of lifting hydraulic cylinder locked.In order to reduce further
The probability of piston rod Hui Song, currently preferred selection hydraulic locking valve block is as the locking device of piston rod, and by described liquid
Pressure lock valve block is fixed on the bottom of lifting hydraulic cylinder, reduces the distance of hydraulic locking valve block and piston rod, efficiently avoid
There is the phenomenon of Hui Song in piston rod, improves milling train work efficiency and product quality.
The invention provides a kind of jaw type coiling machine coil stripping method, when drum collapsing to given extent, after reel jaw is opened,
Direction contrary for reel rotation direction in time normally batching with reel is turned an angle, reduces strip steel head and jaw hyoplastron
Between frictional force so that when unloading volume strip steel head can the most successfully from jaw level extract out.At reel to reel just
During direction that when often batching, rotation direction is contrary rotates, by the locking device that is arranged on coil stripping car by coil stripping car
Carrying roller is locked, and increases the carrying roller fixation to coil of strip；By 1#With 3#Wrapping Roll compresses coil of strip, strengthens coil of strip further
Fixation, the coil of strip being likely to occur when solving the coil of strip that unloading is radially the biggest or weight ratio is bigger is along with reel reversion
And the problem rotated, thus prevent coil of strip from rotating along with reel reversion so that strip steel head and jaw hyoplastron can be sufficiently separated,
When unloading volume, strip steel head can the most successfully level extraction from jaw.By being arranged on the hydraulic locking bottom lifting hydraulic cylinder
The piston rod of lifting hydraulic cylinder is locked by valve block, efficiently avoid piston rod and pine phenomenon occurs back so that carrying roller is immovably
Supporting steel coils, it is ensured that the longitudinal center line of coil of strip overlaps with reel longitudinal center line, thus improve milling train work efficiency and
Product quality.
In order to be further appreciated by the present invention, the jaw type coiling machine coil stripping method provided the present invention below in conjunction with embodiment is carried out in detail
Describing in detail bright, protection scope of the present invention is not limited by the following examples.
Embodiment:
(1). when coiling machine coiling band steel is near completion, 2#Wrapping Roll is opened to extreme position, and the carrying roller of coil stripping car is from initially
Position rises to position of readiness at a high speed；
(2).1#、3#Wrapping Roll compresses strip steel tail end, and strip steel tail end is driven by reel is specifying position to stop；
(3). the carrying roller of coil stripping car is risen by position of readiness low speed, stops after holding coil of strip and reaching to set pressure；
(4).1#、3#Wrapping Roll is opened to extreme position；
(5). drum collapsing to designated diameter, reel jaw is opened；
(6). coil stripper car supporting roller is by the locking device locking being arranged on coil stripping car；
(7).1#With 3#Wrapping Roll compresses coil of strip；
(8). the direction that driven by motor reel rotation direction in time normally batching with reel is contrary turns an angle；
(9).1#With 3#Wrapping Roll is opened to extreme position；
(10). coil of strip is unloaded from reel by coil stripping car coil of strip horizontal movement in tow, at continuation horizontal movement to fixed rack, stops
Only；
(11). coil stripper car supporting roller drops to lower limit position, and after coil of strip is unloaded to fixing bracket body, coil stripping car returns initial bit,
Prepare to unload volume next time.
Above a kind of jaw type coiling machine coil stripping method provided by the present invention is described in detail.Used herein specifically
Principle and the embodiment of the present invention are set forth by embodiment, and the explanation of above example is only intended to help and understands the present invention
Method and core concept.It should be pointed out that, for those skilled in the art, former without departing from the present invention
On the premise of reason, it is also possible to the present invention is carried out some improvement and modification, these improve and modification also falls into the claims in the present invention
Protection domain in.
Claims (7)
1. a jaw type coiling machine coil stripping method, it is characterised in that comprise the following steps:
(1). when coiling machine coiling band steel is near completion, 2#Wrapping Roll is opened to extreme position, the raise-lower hydraulic on coil stripping car
Cylinder drives carrying roller to rise to position of readiness at a high speed from initial bit；
(2).1#、3#Wrapping Roll compresses strip steel tail end, and strip steel tail end is driven by reel is specifying position to stop；
(3). the carrying roller of coil stripping car is risen by position of readiness low speed, stops after holding coil of strip and reaching to set pressure；
(4).1#、3#Wrapping Roll is opened to extreme position；
(5). drum collapsing to designated diameter, reel jaw is opened；
(6). the direction that driven by motor reel rotation direction in time normally batching with reel is contrary turns an angle；
(7). coil of strip is unloaded from reel by coil stripping car coil of strip horizontal movement in tow, at continuation horizontal movement to fixed rack, stops
Only；
(8). coil stripper car supporting roller drops to lower limit position, and after coil of strip is unloaded to fixing bracket body, coil stripping car returns initial bit,
Prepare to unload volume next time.
Jaw type coiling machine coil stripping method the most according to claim 1, it is characterised in that in described step (6) reel to
During the direction that when normally batching with reel, rotation direction is contrary rotates, coil stripper car supporting roller is by being arranged on coil stripping car
Locking device is locked.
Jaw type coiling machine coil stripping method the most according to claim 1 and 2, it is characterised in that reel in described step (6)
During the direction that rotation direction is contrary in time normally batching with reel rotates, 1#And/or 3#Wrapping Roll compresses coil of strip；Work as reel
After the direction that rotation direction is contrary in time normally batching with reel has rotated, 1#And/or 3#Wrapping Roll is opened to extreme position.
Jaw type coiling machine coil stripping method the most according to claim 1, it is characterised in that the angle of rotation in described step (6)
Degree is 1 °～4 °.
Jaw type coiling machine coil stripping method the most according to claim 4, it is characterised in that in described step (6) reel to
During the direction that when normally batching with reel, rotation direction is contrary rotates, described angle is by jaw positioner Monitoring and Controlling.
Jaw type coiling machine coil stripping method the most according to claim 1, it is characterised in that when described step (3) middle idler roller stops
After only rising, the piston rod of lifting hydraulic cylinder is locked by locking device.
Jaw type coiling machine coil stripping method the most according to claim 6, it is characterised in that described locking device is hydraulic locking
Valve block, described hydraulic locking valve block is fixed on the bottom of lifting hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042264.8A CN104607496B (en) | 2015-01-28 | 2015-01-28 | A kind of jaw type coiling machine coil stripping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042264.8A CN104607496B (en) | 2015-01-28 | 2015-01-28 | A kind of jaw type coiling machine coil stripping method |
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| CN104607496A CN104607496A (en) | 2015-05-13 |
| CN104607496B true CN104607496B (en) | 2016-10-05 |
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|---|---|---|---|
| CN201510042264.8A Expired - Fee Related CN104607496B (en) | 2015-01-28 | 2015-01-28 | A kind of jaw type coiling machine coil stripping method |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268765B (en) * | 2015-10-23 | 2017-10-10 | 首钢京唐钢铁联合有限责任公司 | A kind of hot rolling heavy gauge steel strip unloads the control method of volume |
| CN109772930A (en) * | 2017-11-14 | 2019-05-21 | 上海梅山钢铁股份有限公司 | A kind of jaw coiling machine unloads volume control method |
| CN110064659B (en) * | 2019-04-09 | 2020-06-23 | 鞍钢股份有限公司 | Coil receiving control method for coil unloading trolley of hot rolling coiler |
| CN110227736A (en) * | 2019-06-21 | 2019-09-13 | 莱芜钢铁集团电子有限公司 | A kind of coil of strip automatic coiling method of uncoiler |
| CN110508620A (en) * | 2019-07-31 | 2019-11-29 | 北京首钢自动化信息技术有限公司 | A kind of coiling machine unloads the control method for rolling up anti-core pulling |
| CN113798323B (en) * | 2020-06-13 | 2023-04-14 | 上海梅山钢铁股份有限公司 | Control device and control method for implementing gapless steel pushing |
| CN112872099B (en) * | 2021-01-13 | 2023-03-24 | 首钢京唐钢铁联合有限责任公司 | Method and device for unloading steel coil |
| CN113926859B (en) * | 2021-09-06 | 2023-12-19 | 武汉钢铁有限公司 | Coiling machine control method, device, equipment and medium |
| CN114535353A (en) * | 2022-03-17 | 2022-05-27 | 山东钢铁集团日照有限公司 | Safe coil unloading method for hot rolling coiler |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09201620A (en) * | 1996-01-24 | 1997-08-05 | Kawasaki Steel Corp | Method for coiling metallic strip |
| JP5498914B2 (en) * | 2010-10-19 | 2014-05-21 | 新日鉄住金エンジニアリング株式会社 | Method for detecting end position of steel strip coil |
| CN102430612B (en) * | 2011-10-20 | 2014-02-05 | 攀钢集团西昌钢钒有限公司 | Operation method for controlling tower shapes of inner and outer rings of steel coils |
| CN203281648U (en) * | 2013-06-19 | 2013-11-13 | 济钢集团有限公司 | Coiling device for automatically detecting expansion and contraction of core shaft |
| CN203900159U (en) * | 2014-06-09 | 2014-10-29 | 武汉钢铁(集团)公司 | Coil stripping trolley capable of preventing coil from being loosened |
| CN104174699B (en) * | 2014-07-14 | 2016-03-02 | 北京首钢自动化信息技术有限公司 | A kind of control method solving coiler jaw steel-fastening |
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2015
- 2015-01-28 CN CN201510042264.8A patent/CN104607496B/en not_active Expired - Fee Related
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