CN103464532B - Automatic strip steel winding equipment and method - Google Patents

Automatic strip steel winding equipment and method Download PDF

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Publication number
CN103464532B
CN103464532B CN201310414619.2A CN201310414619A CN103464532B CN 103464532 B CN103464532 B CN 103464532B CN 201310414619 A CN201310414619 A CN 201310414619A CN 103464532 B CN103464532 B CN 103464532B
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band steel
service
speed
uncoiling
steel
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CN201310414619.2A
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Chinese (zh)
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CN103464532A (en
Inventor
熊盛涛
叶德健
陈志鹏
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武汉钢铁(集团)公司
武汉钢铁工程技术集团自动化有限责任公司
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Priority to CN201310414619.2A priority Critical patent/CN103464532B/en
Publication of CN103464532A publication Critical patent/CN103464532A/en
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Abstract

The invention discloses automatic strip steel winding equipment and method and relates to the technical field of steel rolling. Due to the fact that a detecting device and a controlling device are added to a conventional flattening machine production line, and by the aid of a control method of electric automatization in an automatic strip-steel flattening deceleration phase and an automatic strip-steel winding phase, full-automatic process control from strip-steel flattening to completion of strip-steel winding is realized, production efficiency is improved, and labor intensity is lowered.

Description

A kind of band steel automatic winding equipment and method

Technical field

The present invention relates to technical field of steel rolling, particularly relate to a kind of band steel automatic winding equipment and method.

Background technology

Along with the development of steel rolling process, the smooth process in strip production process occupies an important position.

In planarization procedure, single stand skin pass mill unit is the relatively more conventional equipment of strip production line, mainly involves in row skin pass rolling to cold rolled annealed volume and hot rolling acid-cleaning.Exert pressure that certain drafts can make the mechanical performance of strip, shows quality through planisher, glacing flatness, show that the indexs such as roughness reach requirement, therefore, in band steel production process, smooth one of the process procedure that is absolutely necessary, for ensureing that strip quality has very important effect.

Inventor finds in the production process of reality, exists following not enough in prior art:

Traditional planisher production line, the rolling of band steel is a more loaded down with trivial details process, and normally completed by manual operation, manual operation increases the labour intensity of operating personnel on the one hand, reduces operating efficiency on the other hand.

Summary of the invention

The embodiment of the present invention provides a kind of band steel automatic winding equipment and method, for solve in prior art be with steel rolling mainly to rely on manually-operated labour intensity is large, the inefficient problem of rolling, reach electrified process, the technique effect that automatization level is high, rolling efficiency is high.

Embodiments provide a kind of band steel automatic winding equipment, described equipment comprises: a decoiling equipment, and described decoiling equipment is used for being with steel described in uncoiling; One inlet device, described inlet device is connected with described decoiling equipment, for receiving the band steel from described decoiling equipment, and ensures described band steel tension stability in formation process; One flattening device, described flattening device is connected with described inlet device, for carrying out smooth to described band steel, improves the surface quality of described band steel; One outlet device, described outlet device is connected with described flattening device, for by described smooth after described band steel carry out rolling, and ensure described band steel tension stability in formation process; One checkout gear, described checkout gear is configured on described decoiling equipment, described inlet device, described flattening device, described outlet device, or on the connecting portion of configuration and described decoiling equipment, described inlet device, described flattening device and described outlet device, for realizing the operational factor detecting described band steel; One control device, be connected with described checkout gear, described decoiling equipment, described inlet device, described flattening device, described outlet device, for obtaining the operational factor of the described band steel of described checkout gear, and the action of described decoiling equipment, described inlet device, described flattening device, described outlet device is controlled according to described operational factor, realize the automatic winding of described band steel.

Further, described decoiling equipment also comprises: a uncoiler, and described uncoiler is used for being with steel described in rolling; One measurement of film reel diameter sensor, described measurement of film reel diameter sensor is connected with described uncoiler, for measuring the diameter of described band steel, for ensureing that described band steel accurately can enter the reel of described uncoiler.

Further, described inlet device also comprises: a straightener, and described straightener is connected with described flattening device, for being aligned by described band steel, promotes the surface quality of described band steel.

Further, described flattening device also comprises: the rod system of a backing roll and working roll composition, is connected with described inlet device, for carrying out finishing operations to described band steel; And/or an AGC system, is configured in described flattening device, for realize according to different demands carry out Constant dvaught pressure control or permanent rod seam control or elongation control; And/or vacuum absorption system and an air purge system, is configured in described flattening device, for ensureing that described belt steel surface is without ROLLING OIL.

The embodiment of the present invention also provides a kind of band steel automatic winding method, described method comprises: the belt steel flating automatic retarding stage, for the speed of service by detecting residue uncoiling coil diameter and described band steel, and judge to slow down by the computing of controller, reaching described band steel has volume state to decelerate to the low speed rolling state of uncoiling without volume from the uncoiling of high-speed cruising; In the band steel automatic curled stage, for passing through to be configured with several sensors on the process equipment of smooth production line, and then detect the run location of described band steel, thus judge that described band steel position drives relevant device, reach the automatic winding of described band steel.

Further, the described belt steel flating automatic retarding stage also comprises: obtain the current coil diameter d of uncoiling by measurement of film reel diameter sensor t, obtain by the speed measuring coder of entrance roller the speed of service v being with steel t, obtain coil of strip thickness h from the setting of HMI, uncoiling drum diameter d 0, rolling speed of service v swith rolling rate of deceleration a; Uncoiling residual strip length l is calculated in real time by control algolithm 1with the strip length l that band steel moderating process uncoiler reduces 2, computing formula is: l 1 = ( d 2 - d 0 2 ) · π 4 h , l 2 = ( v t - v s ) v s a + ( v t - v s ) 2 2 a ; More above-mentioned uncoiling residual strip length l 1be greater than uncoiler and reduce strip length l 2numerical value, as uncoiling residual strip length l 1be greater than uncoiler and reduce strip length l 2time, production line keeps high-speed cruising; As uncoiling residual strip length l 1be less than uncoiler and reduce strip length l 2time, production line reduces speed now; As the speed of service v of band steel tdecelerate to rolling speed of service v stime, the residue coil of strip length of uncoiling, within preset range, completes belt steel flating automatic retarding

Further, the described belt steel flating automatic retarding stage also comprises: in moderating process, adjusts in real time rolling rate of deceleration a, and setting band steel Discrepancy Control Area is X, works as l 1-l 2during >X, rolling rate of deceleration a increases Δ a, works as l 1-l 2during <0, rolling rate of deceleration a reduces Δ a, works as X>l 1-l 2during >0, rolling rate of deceleration remains unchanged.

Further, the described band steel automatic curled stage comprises: when strip speed enters into the rolling speed of service, some sensors detect band steel and strip speed, judge to enter the band steel automatic curled stage, wherein, described sensor is configured between uncoiler and entrance roller, between straightener and planisher, between planisher and jockey pulley, between jockey pulley and docking shears, between outlet roller and coiling machine; The band steel position judgment detected according to described sensor completes the action of automatic winding equipment; After described automatic winding equipment action completes, and when described sensor all has a signal, the described band steel automatic curled stage completes.

Further, the described band steel position judgment detected according to described sensor completes the action of automatic winding equipment, is specially: before band steel runs to straightener, uncoiler is out of service shrinks reel simultaneously; Before band steel runs to planisher, the straightener straightener roller that simultaneously adjusts out of service meets desired location; Before band steel runs to planisher, the planisher planisher roller that simultaneously adjusts out of service meets open position; Before band steel runs to jockey pulley, jockey pulley is out of service; Before band steel runs to docking shears, docking shears completes tail part of band steel excision; Before band steel runs to coiling machine, crimping machine is out of service shrinks reel simultaneously.

The beneficial effect of the embodiment of the present invention is as follows:

The one band steel automatic winding equipment that one embodiment of the invention provides and method, by increasing checkout gear and control device on traditional planisher production line, by the control method of electric automatization, realize completing full automatic process control from belt steel flating to the rolling of band steel, improve production efficiency, reduce labour intensity.

Accompanying drawing explanation

Fig. 1 is a kind of structural representation with steel automatic winding equipment in one embodiment of the invention;

Fig. 2 is a kind of schematic flow sheet with steel automatic winding method in one embodiment of the invention;

Fig. 3 is the schematic flow sheet in belt steel flating automatic retarding stage in one embodiment of the invention;

Fig. 4 is the schematic flow sheet with the steel automatic curled stage in one embodiment of the invention;

Fig. 5 is the schematic flow sheet that the band steel position judgment detected according to described sensor in one embodiment of the invention completes the action of automatic winding equipment.

Detailed description of the invention

The one band steel automatic winding equipment that one embodiment of the invention provides and method, by increasing checkout gear and control device on traditional planisher production line, by the control method of electric automatization, realize completing full automatic process control from belt steel flating to the rolling of band steel, improve production efficiency, reduce labour intensity.

For enabling those skilled in the art understand the present invention more in detail, describe the present invention below in conjunction with accompanying drawing.

As described in Figure 1, Fig. 1 is a kind of band steel automatic driven unwind device in one embodiment of the invention, comprising: decoiling equipment 1, inlet device 2, flattening device 3, outlet device 4, checkout gear [not shown], control device [not shown], wherein

Decoiling equipment 1 is with steel for described in uncoiling;

Inlet device 2 is connected with described decoiling equipment 1, for receiving the band steel from described decoiling equipment 1, and ensures described band steel tension stability in formation process;

Flattening device 3 is connected with described inlet device 2, for carrying out smooth to described band steel, improves the surface quality of described band steel;

Outlet device 4 is connected with described flattening device 3, for by described smooth after described band steel carry out rolling, and ensure described band steel tension stability in formation process;

Checkout gear is configured on described decoiling equipment 1, described inlet device 2, described flattening device 3, described outlet device 4, or on the connecting portion of configuration and described decoiling equipment 1, described inlet device 2, described flattening device 3 and described outlet device 4, for realizing the operational factor detecting described band steel;

Control device, be connected with described checkout gear, described decoiling equipment 1, described inlet device 2, described flattening device 3, described outlet device 4, for obtaining the operational factor of the described band steel of described checkout gear, and the action of described decoiling equipment 1, described inlet device 2, described flattening device 3, described outlet device 4 is controlled according to described operational factor, realize the automatic winding of described band steel.

Specifically, decoiling equipment 1 comprises:

Uncoiler 11, described uncoiler 11 is with steel for described in uncoiling;

Measurement of film reel diameter sensor [not marking in figure], described measurement of film reel diameter sensor is connected with described uncoiler 11, for measuring the diameter of described band steel, for ensureing that described band steel accurately can enter the reel of described uncoiler.

Specifically, inlet device 2 comprises:

Straightener 21, described straightener 21 is connected with described flattening device 3, for being aligned by described band steel, promotes the surface quality of described band steel.

Further, inlet device 2 also comprises: '

Entrance roller 22, described entrance roller 22 is connected with described uncoiler 11, straightener 21, for being sent in described straightener 21 by the band steel of described uncoiling.

Specifically, described flattening device 3 comprises:

The rod system [not marking in figure] of backing roll and working roll composition, is connected with described inlet device 2, for carrying out finishing operations to described band steel; And/or,

One AGC system (automatic generation amount control AGC(Automatic Generation Control) [not shown], is configured in described flattening device 3, for realize according to different demands carry out Constant dvaught pressure control or permanent rod seam control or elongation control; And/or,

One vacuum absorption system and air purge system [not shown], be configured in described flattening device 3, for ensureing that described belt steel surface is without ROLLING OIL.

Wherein, described flattening device 3 can be planisher 31 in the present embodiment.

Specifically, outlet device 4 comprises:

One jockey pulley 41, described jockey pulley 41 is connected with described flattening device 3, for carrying out tension force control by described from flattening device band steel out, makes the tension stability of described band steel.

One docking shears 42, described docking shears 42 is connected with described jockey pulley 41, for described band steel is carried out back-end crop process.

One outlet roller 43, described outlet roller 43 is connected with described docking shears 42, coiling machine 5, for the described band steel through back-end crop is transferred to described coiling machine 5.

As shown in Figure 2, the embodiment of the present invention additionally provides a kind of band steel automatic winding method, and described method mainly comprises two stages, that is:

Step 10: belt steel flating automatic retarding stage, for the speed of service by detecting residue uncoiling coil diameter and described band steel, and judge to slow down by the computing of controller, reaching described band steel has volume state to decelerate to the low speed rolling state of uncoiling without volume from the uncoiling of high-speed cruising;

Step 20: band steel automatic curled stage, for passing through to be configured with several sensors on the process equipment of smooth production line, and then detect the run location of described band steel, thus judge that described band steel position drives relevant device, reach the automatic winding of described band steel.

Elaborate the concrete operation method in two stages below.

[belt steel flating automatic retarding stage]

Specifically, as shown in Figure 3, the belt steel flating automatic retarding stage also comprises:

Step 11: obtain the current coil diameter d of uncoiling by measurement of film reel diameter sensor t, obtain by the speed measuring coder of entrance roller 22 speed of service v being with steel t, obtain coil of strip thickness h from the setting of HMI, uncoiling drum diameter d 0, rolling speed of service v swith rolling rate of deceleration a;

Step 12: calculate uncoiling residual strip length l in real time by control algolithm 1with the strip length l that band steel moderating process uncoiler reduces 2, computing formula is:

l 1 = ( d 2 - d 0 2 ) &CenterDot; &pi; 4 h , l 2 = ( v t - v s ) v s a + ( v t - v s ) 2 2 a ;

Step 13: more above-mentioned uncoiling residual strip length l 1be greater than uncoiler and reduce strip length l 2numerical value, as uncoiling residual strip length l 1be greater than uncoiler and reduce strip length l 2time, production line keeps high-speed cruising; As uncoiling residual strip length l 1be less than uncoiler and reduce strip length l 2time, production line reduces speed now;

Step: 15: as the speed of service v of band steel tdecelerate to rolling speed of service v stime, the residue coil of strip length of uncoiling, within preset range, completes belt steel flating automatic retarding.Wherein, described preset range can be consistent with band steel Discrepancy Control Area, and namely preset range can be the X described in step 14.

Specifically, in order to reach accurate control effects in moderating process, the belt steel flating automatic retarding stage also comprises:

Step 14: in moderating process, adjusts in real time to rolling rate of deceleration a, and setting band steel Discrepancy Control Area is X, works as l 1-l 2during >X, rolling rate of deceleration a increases Δ a, works as l 1-l 2during <0, rolling rate of deceleration a reduces Δ a, works as X>l 1-l 2during >0, rolling rate of deceleration remains unchanged.

For example, if determine that regulating cycle be the joint cycle is 1s, band steel error range controls within X=3m, then, adjustment logic is: work as l 1-l 2during >3, rolling rate of deceleration a increases Δ a, works as l 1-l 2during <0, rolling rate of deceleration a reduces Δ a, works as 3>l 1-l 2during >0, rolling rate of deceleration remains unchanged.

[band steel automatic curled stage]

Specifically, as shown in Figure 4, the described band steel automatic curled stage comprises:

Step 21: when strip speed enters into the rolling speed of service, some sensors detect band steel and strip speed, judge to enter the band steel automatic curled stage, wherein, described sensor is configured between uncoiler 11 and entrance roller 22, between straightener 21 and planisher 31, between planisher 31 and jockey pulley 41, between jockey pulley 41 and docking shears 42, between outlet roller 43 and coiling machine 5;

Specifically, the sensor that the embodiment of the present invention provides can be photoelectric sensor, such as grating.Wherein, as shown in Figure 1, its configuration relation can be according to unit traffic direction from the beginning to the end, defining between uncoiler 11 and entrance roller 22 is respectively grating 61, it is grating 62 between straightener 21 and planisher 31, being grating 63 between planisher 31 and jockey pulley 41, is grating 64 between jockey pulley 41 and docking shears 42, is grating 65 between outlet roller 43 and coiling machine 5.

Step 22: the band steel position judgment detected according to described sensor completes the action of automatic winding equipment;

Step 23: after described automatic winding equipment action completes, and when described sensor all has a signal, the described band steel automatic curled stage completes.

Further, after described automatic winding equipment action completes, and when described sensor all has a signal, HMI can complete, for subsequent processing is ready by alert automatic winding.

Specifically, as shown in Figure 5, the band steel position judgment detected according to described sensor described in step 22 completes the action of automatic winding equipment, is specially:

Step 221: before band steel runs to straightener 21, uncoiler 11 is out of service shrinks reel simultaneously;

Step 222: before band steel runs to planisher 31, straightener 21 straightener 21 roller that simultaneously adjusts out of service meets desired location;

Step 223: before band steel runs to planisher 31, planisher 31 planisher 31 roller that simultaneously adjusts out of service meets open position;

Step 224: before band steel runs to jockey pulley 41, jockey pulley 41 is out of service;

Step 225: before band steel runs to docking shears 42, docking shears 42 completes tail part of band steel excision;

Step 226: before band steel runs to coiling machine 5, crimping machine 5 is out of service shrinks reel simultaneously.

In order to clearly express the logical relation between sensor and band steel position, please see the following form:

Uncoiler Straightener Planisher Jockey pulley Docking shears Coiling machine Grating 61 0 1 1 1 1 1 Grating 62 0 0 1 1 1 1 Grating 63 0 0 0 1 1 1 Grating 64 0 0 0 0 1 1 Grating 65 0 0 0 0 0 1

In sum, the one band steel automatic winding equipment that the embodiment of the present invention provides and method, by increasing checkout gear and control device on traditional planisher production line, and by the control method of belt steel flating automatic retarding stage with the electric automatization in band steel automatic curled stage, realize completing full automatic process control from belt steel flating to the rolling of band steel, improve production efficiency, reduce labour intensity.

Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.

Claims (4)

1. be with a steel automatic winding method, it is characterized in that, described method comprises:
In the belt steel flating automatic retarding stage, for the speed of service by detecting residue uncoiling coil diameter and described band steel, and judge to slow down by the computing of controller, reaching described band steel has volume state to decelerate to the low speed rolling state of uncoiling without volume from the uncoiling of high-speed cruising;
In the band steel automatic curled stage, for passing through to be configured with several sensors on the process equipment of smooth production line, and then detect the run location of described band steel, thus judge that described band steel position drives relevant device, reach the automatic winding of described band steel;
Wherein, the described belt steel flating automatic retarding stage also comprises:
The current coil diameter d of uncoiling is obtained by measurement of film reel diameter sensor t, obtain by the speed measuring coder of entrance roller the speed of service v being with steel t, obtain coil of strip thickness h from the setting of HMI, uncoiling drum diameter d 0, rolling speed of service v swith rolling rate of deceleration a;
Uncoiling residual strip length l is calculated in real time by control algolithm 1with the strip length l that band steel moderating process uncoiler reduces 2, computing formula is:
l 1 = ( d t 2 - d 0 2 ) &CenterDot; &pi; 4 h
l 2 = ( v t - v s ) v s a + ( v t - v s ) 2 2 a
More above-mentioned uncoiling residual strip length l 1be greater than uncoiler and reduce strip length l 2numerical value, as uncoiling residual strip length l 1be greater than uncoiler and reduce strip length l 2time, production line keeps high-speed cruising; As uncoiling residual strip length l 1be less than uncoiler and reduce strip length l 2time, production line reduces speed now;
As the speed of service v of band steel tdecelerate to rolling speed of service v stime, the residue coil of strip length of uncoiling, within preset range, completes belt steel flating automatic retarding.
2. the method for claim 1, is characterized in that, the described belt steel flating automatic retarding stage also comprises:
In moderating process, adjust in real time rolling rate of deceleration a, setting band steel Discrepancy Control Area is X, works as l 1-l 2during >X, rolling rate of deceleration a increases Δ a, works as l 1-l 2during <0, rolling rate of deceleration a reduces Δ a, works as X>l 1-l 2during >0, rolling rate of deceleration remains unchanged.
3. the method for claim 1, is characterized in that, the described band steel automatic curled stage comprises:
When strip speed enters into the rolling speed of service, some sensors detect band steel and strip speed, judge to enter the band steel automatic curled stage, wherein, described sensor is configured between uncoiler and entrance roller, between straightener and planisher, between planisher and jockey pulley, between jockey pulley and docking shears, between outlet roller and coiling machine;
The band steel position judgment detected according to described sensor completes the action of automatic winding equipment;
After described automatic winding equipment action completes, and when described sensor all has a signal, the described band steel automatic curled stage completes.
4. method as claimed in claim 3, is characterized in that: the described band steel position judgment detected according to described sensor completes the action of automatic winding equipment, is specially:
Before band steel runs to straightener, uncoiler is out of service shrinks reel simultaneously;
Before band steel runs to planisher, the straightener straightener roll gap that simultaneously adjusts out of service is to desired location;
Before band steel runs to planisher, the planisher planisher roll gap that simultaneously adjusts out of service is to open position;
Before band steel runs to jockey pulley, jockey pulley is out of service;
Before band steel runs to docking shears, docking shears completes tail part of band steel excision;
Before band steel runs to coiling machine, crimping machine is out of service shrinks reel simultaneously.
CN201310414619.2A 2013-09-12 2013-09-12 Automatic strip steel winding equipment and method CN103464532B (en)

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CN103760856A (en) * 2014-01-09 2014-04-30 鞍钢股份有限公司 Cold strip steel leveling unit process control method
CN104460503B (en) * 2014-11-11 2017-02-15 武汉钢铁(集团)公司 Alternating-current asynchronous motor excitation control method of strip steel leveling production line
CN106959300B (en) * 2016-01-11 2020-03-20 宝钢湛江钢铁有限公司 Movable calibration system and method for improving strip steel surface length metering precision
CN106077150A (en) * 2016-07-21 2016-11-09 无锡派乐科技有限公司 Hydraulic pressure sorting system
CN108126986A (en) * 2017-12-21 2018-06-08 安徽马钢自动化信息技术有限公司 Strip dynamic coil diameter computational methods
CN108284135A (en) * 2017-12-29 2018-07-17 南京钢铁股份有限公司 A method of quickly searching straightener roll marks using table check system

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JP2008290109A (en) * 2007-05-24 2008-12-04 Mitsubishi Electric Engineering Co Ltd Sheet-thickness variation suppressing device for steel rolling equipment
CN101439468B (en) * 2008-12-31 2010-12-08 中国重型机械研究院 Machine unit process for stretch bending, straightening and rewinding
CN202316541U (en) * 2011-11-25 2012-07-11 武汉钢铁(集团)公司 Elongation coefficient control system for cast steel plate (CSP) hot-rolling planisher

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