CN107755436A - A kind of solution thin gauge strip afterbody loses the method that tension force flies into coiling machine - Google Patents
A kind of solution thin gauge strip afterbody loses the method that tension force flies into coiling machine Download PDFInfo
- Publication number
- CN107755436A CN107755436A CN201610699003.8A CN201610699003A CN107755436A CN 107755436 A CN107755436 A CN 107755436A CN 201610699003 A CN201610699003 A CN 201610699003A CN 107755436 A CN107755436 A CN 107755436A
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- China
- Prior art keywords
- real
- coiling machine
- strip
- reel
- time
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B41/00—Guiding, conveying, or accumulating easily-flexible work, e.g. wire, sheet metal bands, in loops or curves; Loop lifters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
Abstract
The present invention relates to strip coiling technical field, particularly a kind of solution thin gauge strip afterbody loses the method that tension force flies into coiling machine.A kind of solution thin gauge strip afterbody loses the method that tension force flies into coiling machine：The position sensor that roller gap width Real-time actual value Dt is pinched for monitoring in real time is installed on coiling machine, position sensor electric signal connects PLC, when coiling machine coiling band steel thickness is less than or equal to 3.9mm, connect the moment pinch roller gap width initial set value D0 and Withdrawal roll pressure initial set value P0 of (i.e. strip steel head is except this is contacted with the reel of coiling machine) first by PLC memory reel load relays, pinch roller gap width Real-time actual value Dt after being connected first 2 seconds by the real-time recording reel load relays of PLC, as Dt D0 >=1, the real-time setting value of Withdrawal roll pressure is revised as 2P0, as Dt D0<1 or reel when having rolled up this block strip, the real-time setting value of Withdrawal roll pressure is revised as P0.
Description
Technical field
The present invention relates to strip coiling technical field, particularly a kind of solution thin gauge strip afterbody loses tension force and flies into volume
The method for taking machine.
Background technology
Because hot continuous rolling coiling machine batches thin gauge strip（Belt steel thickness is less than or equal to 3.9mm）Because finish rolling incoming profile is different
Often, during strip steel head impact pinch roll, pinch and closed to return on roller gap after bullet, cause the not clamping strip of pinch roll, treat finish rolling
After last frame throws steel, tail part of band steel is lost between reel and pinch roll opens, and tension link, the input speed are exited in tail part of band steel control
Ring, speed, which jumps, flies into coiling machine, is commonly called as tail part of band steel " driving ".Such case causes scroll rate of good to decline, and afterbody cuts damage
Seriously, product quality reduces.For thin gauge strip " driving " phenomenon, if simple take is increased during pinch roll has load
Pressure set points, coil of strip can be caused fault occur, destroy scroll.
The content of the invention
The technical problems to be solved by the invention are：How thin gauge strip " driving " phenomenon is solved.
The technical solution adopted in the present invention is：A kind of solution thin gauge strip afterbody loses the side that tension force flies into coiling machine
Method：The position sensor that roller gap width Real-time actual value Dt is pinched for monitoring in real time, position sensing are installed on coiling machine
Device electric signal connects PLC, when coiling machine coiling band steel thickness is less than or equal to 3.9mm, remembers reel load relay by PLC
Connect first the moment (i.e. strip steel head remove this contacted with the reel of coiling machine) pinch roller gap width initial set value D0 and
Withdrawal roll pressure initial set value P0, the pinch roll roller after being connected first 2 seconds by the real-time recording reel load relays of PLC
Slit width degree Real-time actual value Dt, as Dt- D0 >=1, the real-time setting value of Withdrawal roll pressure is revised as 2 P0, as Dt- D0<1
Or Withdrawal roll pressure real-time setting value is revised as P0 when having rolled up this block strip by reel.
There are certain tension force distribution, band steel toe between finish rolling end frame and coiling machine, between coiling clamp roller and coiling machine
When portion is wound into reel, strip tightly rolls by the tension force between finish rolling end frame and coiling machine；When finish rolling end frame throws steel
Afterwards, tail part of band steel tightly rolls by the tension force between coiling clamp roller and coiling machine.This programme is exactly by changing latter portion
Partial-tension, solves tail part of band steel " driving " problem.
The beneficial effects of the invention are as follows：Under normal circumstances after strip steel head impact pinch roll, pinch roll enters Stress control
Link, depended on pressure control pinch roller gap and strip are compressed, and make to keep stable tension force between pinch roll and reel, and strip is tight
Tightly it is wrapped on reel.Because thin gauge strip head plate shape is bad sometimes, the feedback pressure of pinch roll detection is not truly to make
Used in the actual pressure of belt steel surface, cause pinch roller gap courbette not to be closed again after coming, cause pinch roll not press tightly strip,
Lose and open after finish rolling end frame throws steel, between reel and pinch roll, show as tail part of band steel " driving ".Thin rule are batched for this basis
The characteristics of lattice strip, the difference for making Dt- and D0 by PLC throw short time big Stress control compared with 1 when more than or equal to 1,
After pinch roller gap is pressed back into normal position（Dt- and D0 difference is less than 1）, the attached intensified pressure of pinch roll is removed, is recovered
Former Stress control setting value.So both met that pinch roll compressed strip and solves tail part of band steel " driving " problem, and in turn ensured that steel
The scroll of volume is good.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Wherein, 1, pinch roll, 2, position sensor, 3, rolling centerline, 4, Wrapping Roll, 5, reel.
Embodiment
Specific embodiment 1：
A kind of solution thin gauge strip afterbody loses the method that tension force flies into coiling machine, is installed on coiling machine for monitoring in real time
Pinch roller gap width Real-time actual value Dt position sensor, position sensor electric signal connection PLC, when coiling machine coiling band
When steel thickness is less than or equal to 3.9mm（When batching the silicon steel of 2.3mm thickness）, reel load relay is remembered first by PLC
Connect the moment pinch roller gap width initial set value D0 and the pinch of (i.e. strip steel head is except this is contacted with the reel of coiling machine)
Roller pressure initial set value P0, the pinch roller gap after being connected first 2 seconds by the real-time recording reel load relays of PLC are wide
Real-time actual value Dt is spent, as Dt- D0 >=1, the real-time setting value of Withdrawal roll pressure is revised as 2 P0, as Dt- D0<1 or
When reel has rolled up this block strip, the real-time setting value of Withdrawal roll pressure is revised as P0.
（1）The stability contorting that hot continuous rolling batches is realized, afterbody is monthly reduced and cuts useless 15 tons of amount, improve product quality.
（2）Solve due to coiling machine tail part of band steel " driving ", coil of strip tail caused by the plate shape exception of thin gauge strip head
The problem of portion's loose ring, scroll exception.It is annual to reduce because scroll pays for about 1,300,000 yuan or so of damage extremely.
Claims (1)
1. a kind of solution thin gauge strip afterbody loses the method that tension force flies into coiling machine, it is characterised in that：When coiling machine batches
When belt steel thickness is less than or equal to 3.9mm, the pinch roller gap width at moment is connected first by PLC memory reel load relays
Initial set value D0 and Withdrawal roll pressure initial set value P0, connected first 2 seconds by the real-time recording reel load relays of PLC
Pinch roller gap width Real-time actual value Dt after clock, as Dt- D0 >=1, the real-time setting value of Withdrawal roll pressure is revised as 2
P0, as Dt- D0<1 or reel when having rolled up this block strip, the real-time setting value of Withdrawal roll pressure is revised as P0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610699003.8A CN107755436B (en) | 2016-08-22 | 2016-08-22 | A method of solution thin gauge strip tail portion loses tension and flies into coiling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610699003.8A CN107755436B (en) | 2016-08-22 | 2016-08-22 | A method of solution thin gauge strip tail portion loses tension and flies into coiling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107755436A true CN107755436A (en) | 2018-03-06 |
| CN107755436B CN107755436B (en) | 2018-12-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610699003.8A Active CN107755436B (en) | 2016-08-22 | 2016-08-22 | A method of solution thin gauge strip tail portion loses tension and flies into coiling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107755436B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109967528A (en) * | 2019-03-26 | 2019-07-05 | 武汉钢铁有限公司 | A method of prevent hot-strip SPHC high temperature coiling from scratching |
| CN111633032A (en) * | 2020-05-29 | 2020-09-08 | 首钢京唐钢铁联合有限责任公司 | Strip steel tail anti-breaking method |
| CN112024610A (en) * | 2020-07-22 | 2020-12-04 | 北京科技大学设计研究院有限公司 | Control method for front pinch roll of coil rolling line finishing mill set |
| CN114906659A (en) * | 2022-06-15 | 2022-08-16 | 山信软件股份有限公司 | Compression roller control device and method based on stepless adjustment |
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| JP2001071027A (en) * | 1999-09-02 | 2001-03-21 | Nippon Steel Corp | Coiling method for continuous strip |
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| CN104307927A (en) * | 2014-11-13 | 2015-01-28 | 武汉钢铁(集团)公司 | Control method for eliminating accident of winding of hot-rolled thin strip steel to pinch roll of winding machine |
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2016
- 2016-08-22 CN CN201610699003.8A patent/CN107755436B/en active Active
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109967528A (en) * | 2019-03-26 | 2019-07-05 | 武汉钢铁有限公司 | A method of prevent hot-strip SPHC high temperature coiling from scratching |
| CN109967528B (en) * | 2019-03-26 | 2020-11-24 | 武汉钢铁有限公司 | Method for preventing hot-rolled strip steel SPHC high-temperature coiling scratch |
| CN111633032A (en) * | 2020-05-29 | 2020-09-08 | 首钢京唐钢铁联合有限责任公司 | Strip steel tail anti-breaking method |
| CN111633032B (en) * | 2020-05-29 | 2021-11-19 | 首钢京唐钢铁联合有限责任公司 | Strip steel tail anti-breaking method |
| CN112024610A (en) * | 2020-07-22 | 2020-12-04 | 北京科技大学设计研究院有限公司 | Control method for front pinch roll of coil rolling line finishing mill set |
| CN114906659A (en) * | 2022-06-15 | 2022-08-16 | 山信软件股份有限公司 | Compression roller control device and method based on stepless adjustment |
| CN114906659B (en) * | 2022-06-15 | 2024-03-26 | 山信软件股份有限公司 | Compression roller control device and method based on electrodeless regulation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107755436B (en) | 2018-12-04 |
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