CN1851591A - Coiled material finishing train control system - Google Patents

Coiled material finishing train control system Download PDF

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Publication number
CN1851591A
CN1851591A CN 200610081071 CN200610081071A CN1851591A CN 1851591 A CN1851591 A CN 1851591A CN 200610081071 CN200610081071 CN 200610081071 CN 200610081071 A CN200610081071 A CN 200610081071A CN 1851591 A CN1851591 A CN 1851591A
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CN
China
Prior art keywords
control
plc
control system
coiled material
finishing train
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Pending
Application number
CN 200610081071
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Chinese (zh)
Inventor
余明寿
钟巍
彭兵
尚勇
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Southwest Aluminum Group Co Ltd
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Southwest Aluminum Group Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Southwest Aluminum Group Co Ltd filed Critical Southwest Aluminum Group Co Ltd
Priority to CN 200610081071 priority Critical patent/CN1851591A/en
Publication of CN1851591A publication Critical patent/CN1851591A/en
Pending legal-status Critical Current

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Abstract

Said system includes one upper computer to proceed communication with lower computer, used for real-time monitoring each equipment operation of finishing machine and configuring manufacturing parameter; lower computer consisting of full line operation control PLC and size-defined flying shear PLC; all digit dc speed regulating system; ac frequency conversion speed regulating system; hydropneumatic control system; auxiliary control system; each operation desk and flying shear digit dc speed regulator. Said control system has control precision, fast response, high automaticity, capable of ensuring product quality and working accuracy.

Description

Coiled material finishing train control system
Technical field
The present invention relates to the automatic control system of the coiled material finishing train that a kind of aluminium processing industry uses.
Background technology
Aluminium coiled material finished machined process relates to multiple working procedure and a plurality of equipment, generally will comprise uncoiler, straightener, citation roller, circle shear, flying shear, jockey pulley, coiling machine etc.Traditional finishing production line, function is less, and the equipment of streamline is few, and a plurality of process are not carry out on same production line, and therefore this finishing production line control system is fairly simple.
In order to adapt to the requirement of production, southwest Aluminum independent development coiled material finishing train, this coiled material finishing is listed in a production and has fastened equipment such as uncoiler, five-roll machine, citation roller, termination plate shearing machine, disk squaring shears, 17 roller straighteners, cleaning drying machine, jockey pulley, coiling machine, citation roller, lining film coating machine, crosscut flying shearing machine, belt conveying integrated, these equipment had both related to rotating mechanism, hydraulic pressure and pneumatic machinery are arranged, so need the device category and the quantity of control many again.In addition, production technology also requires each drive apparatus linear velocity synchronous, and coiling machine and jockey pulley Tension Control precision height, dynamic effects are fast.These requirements make that the design difficulty of control system is very high.
Summary of the invention
Purpose of the present invention just is to provide a kind of coiled material finishing train control system, can meet the control requirement of finishing train.
The present invention adopts following technical scheme: coiled material finishing train control system comprises
A host computer carries out communication with slave computer, is used for each equipment operation of finishing train is realized monitoring in real time and manufacturing parameter setting;
Slave computer, by running control PLC and flying shear scale PLC form completely, wherein the PLC of running control completely is used to realize that the master of whole machine row makes speed control, uncoiler Tension Control, speed synchronization control, coiling machine Tension Control and logical order control, and with upper machine communication with realize exchanges data; Flying shear scale PLC wherein is used to control the flying shear motor, scissors is accurately sheared by technique initialization plate length, and carried out exchanges data with host computer;
Also comprise following basic control system:
Direct current speeder makes each equipment direct current generator stable operation by the unified control of the PLC of running control completely;
AC frequency control apparatus by the unified control of the PLC of running control completely, is used for the alternating current generator running;
Hydropneumatic control actuating equipment makes hydraulic pressure, pneumatic equipment operation by the PLC of running control completely control;
Each operator's console case is controlled each device start and is stopped;
Flying shear digital DC speed regulator makes the flying shear operation by flying shear scale PLC control.
In addition, described base level can also comprise supplementary controlled system, by the PLC of running control completely control, is used for alternating current generator and the circle shear shearing width is controlled.。
Described direct current speeder, comprise uncoiler, five-roll machine, 17 roller straighteners, circle shear, flying shear, coiling machine, and the direct current generator controllable silicon DC speed regulator of 1#, 2#, 3#, 4# citation roller and 1#, 2# jockey pulley, be used to control the direct current generator running of the said equipment.
Described controllable silicon DC speed regulator can be 6RA70 total digital DC speed regulator.
Described AC frequency control apparatus can be the MDV frequency converter.
Described all fronts running control PLC can be made up of an AnS type PLC and a FX2-128MR type PLC, wherein AnS type PLC is used to control Direct Current Governor System and AC variable-frequency speed regulation system and each operator's console case, and FX2-128MR type PLC is used to control supplementary controlled system and hydropneumatic control system.
Described flying shear scale control PLC can be AnS type PLC.
Described host computer and slave computer are realized communication by the PLC745B address card, carry out exchanges data.
This coiled material finishing train control system of the present invention, according to finishing train equipment operation characteristics, by an industrial computer as host computer, can carry out processing parameter setting according to production requirement easily, and can show the state of PLC input and output point, therefore and the set-point and the actual value that show each parameter be convenient to production operation and fault is searched in analysis, and be convenient to inquire about and the print job data storehouse, can have good man computer interface; Adopt three independently PLC controllers, realize that as whole thread running control PLC whole machine row running control and logical order control with two PLC wherein, controller is listed as each equipment coordination work, with the operation of flying shear scale PLC controller control flying shear motor, thereby by the technological requirement of setting coiled material is accurately sheared, so control accuracy and automaticity height, can effectively enhance productivity, reduce labour intensity, save production cost.
Description of drawings
Fig. 1 is a coiled material finishing train control system structural drawing of the present invention.
Fig. 2 is the Direct Current Governor System line chart.
Fig. 3 is the Alternating Current Governor System line chart.
Fig. 4 is flying shear scale PLC control principle figure.
Embodiment
Below in conjunction with the drawings and specific embodiments coiled material finishing train control system of the present invention is described further.
Coiled material finishing train includes and send bearing material dolly, uncoiler, elbow straightener, 1# feeding roller, termination plate shearing machine, five-roll machine, circle shear, smashing machine, 17 roller straighteners, cleaning machine, dryer, 1# and 2# jockey pulley, expansion bearing, coil stripping car, 3# citation roller, measuring roller device, synchronous pinch roll, flying shear, hydraulic control system.
Need controlled equipment to comprise: uncoiler, five-roll machine, circle shear, 17 roller straighteners, circle shear, flying shear, coiling machine, and 1#, 2#, 3#, 4# citation roller, with 1#, 2# jockey pulley, the said equipment all adopts direct current generator, has adopted the quick belt of 1#, 2# of alternating current generator in addition.
Need the equipment of control also to comprise a plurality of oil cylinders, the mobile oil cylinder and the hoist cylinder that promptly send the bearing material dolly to use, left and right sides body in the uncoiler moves oil cylinder, pressure roller hoist cylinder, top roll hoist cylinder in the elbow straightener, scraper plate telescopic oil cylinder, scraper plate oscillating oil cylinder, oil cylinder in the plate shearing machine of termination, the top roll hoist cylinder of five-roll machine, the top roll lift cylinder of 1#, 2# jockey pulley, the oscillating oil cylinder of expansion bearing, the oil cylinder of coil stripping car.
A plurality of cylinders comprise that the top roll of 1# feeding roller promotes cylinder, and the brush roll of cleaning machine promotes cylinder, water squeezing promotes cylinder, and the top roll of 3# feeding roller promotes cylinder, and the top backing up roll of measurement mechanism promotes cylinder.
And the hydraulic pump in the hydraulic system.
As shown in Figure 1, be used for the coiled material finishing train control system of the said equipment control, adopt three grades of controlling schemes:
The first order is a base level, mainly comprises: (1) all-digital dc speed-regulating system, with the direct current generator in the control main transmission; (2) AC variable-frequency speed regulation system is with the control alternating current generator; (3) hydropneumatic control system, with each oil cylinder of control Hydraulic Station and hydraulic system, and the cylinder in the pneumatic system; (4) each operator's console and supplementary controlled system.
The second level is core stage, is made of two cover high-performance PLC.Wherein a cover PLC is the PLC of running control completely, is used for the running control completely of machine row, and another set of is flying shear scale PLC, is used for the control of flying shear scale.
The third level is a host computer, realizes monitoring in real time and manufacturing parameter setting.
Adopt this control system structure, can have good man computer interface, be convenient to producers' operation, help equipment personnel's maintenance again.
Below each component part is elaborated respectively:
1, host computer
Master system can adopt and grind magnificent company technical grade industrial workstation, with address card PLC745B with carry out communication as the PLC controller of slave computer, and carry out data transfer mutually.
Utilize the power of host computer to be used for realizing: (1) operating personnel import processing parameter, and it is passed to the PLC controller of slave computer; (2) state that PLC I/O is ordered is simulated on display and is shown, and convenient the analysis searched fault; (3) set-point and the actual value of each parameter of demonstration on the dynamic mode graphoid.(4) set up working data base, and can inquire about and print.
2, slave computer
(1) PLC of running control completely
Be used to realize that the master of whole machine row makes speed control, uncoiler Tension Control, speed synchronization control, Coiling Tension Control and logical order control, and realize exchanges data with upper machine communication.Can adopt the Ans of a MIT type high-performance PLC and a FX2-128MR type PLC to form, wherein AnS type PLC is used to control Direct Current Governor System and AC variable-frequency speed regulation system kinematic train and each operator's console case, and FX2-128MR type PLC is used to control supplementary controlled system and hydropneumatic control system.
Specifically, the direct current generator in Ans type PLC and each kinematic train and the speed setting controller of alternating current are connected, and acquired signal, are used for specific implementation: (1) machine row are sheared and are batched the control of two kinds of working methods and freely switch; (2) machine row all fronts interrelated logic is along filling control; (3) uncoiler Tension Control, coil diameter is calculated; (4) each gearing linear velocity synchro control before the machine alignment kink; (5) Tension Control of coiling machine and 1#, 2# jockey pulley; (6) change according to mechanical parameter, revise electric parameter automatically; (7) carry out exchanges data with host computer; (8) working roll of control 17 roller straighteners, backing roll is depressed control and coded disc counting and demonstration.
FX2-128MR type PLC receives Hydraulic Station control box operation signal and Hydraulic Station fuel injection pressure signal, hydraulic cylinder and cylinder stroke signal, its output is used to control the running of Hydraulic Station oil pump running circuit controls oil pump, control each cylinder action and signal lamp by the control pressurizing valve, also to control each cylinder operation simultaneously, and relevant linkage point output.
All-digital dc speed-regulating system according to the parameter characteristic of its function and each direct current generator, is selected the 6RA70 total digital DC speed regulator of SIMENS company for use, and this makes that whole machine row are stable, control accuracy is high, dynamic response is fast, and debugging maintenance is convenient.The control line chart as shown in Figure 2, this governing system comprises the 6RA70 all-digital SCR DC speed regulator of uncoiler, 1#2#3# citation roller, five-roll machine, 17 roller straighteners, 4# citation roller, circle shear, flying shear, coiling machine, 1# jockey pulley, 11 direct current generators of 2# jockey pulley, synchronous, the sequential operation of unified these drive apparatus of control are to guarantee the surface quality of shear precision and sheet material.
As shown in Figure 3, for the quick belt of 1#, 2#, adopt two alternating current generators, the MDV Series Frequency Converter of SIEMENS company has been adopted in its running control, by the PLC of running control completely control.
(2) flying shear scale control PLC
Be used for controlling flying shear electric motor starting, operation and braking, thereby scissors is accurately sheared by technique initialization plate length.Adopt the Ans of MIT series high-performance PLC, carry out exchanges data by serial communication interface and host computer.It is by the host computer parameter preset, and each sensor is fed back, and by calculating judgement and controlling, forms a computer location servomechanism.
Its concrete schematic diagram as shown in Figure 4, flying shear scale PLC and host computer carry out communication, by the host computer parameter preset; Flying shear scale PLC receives the code-disc of flying shearing machine, near switch, measuring roller code-disc data, and carry out accurate shear action according to the direct current generator of result of calculation by flying shear numerical control silicon control flying shearing machine; And data are sent on the operator's console instrument and accept control, accurately plate is sheared according to setting machined parameters.
Its concrete function is: (1) receives the processing parameter signal that host computer is sent; (2) receive optical code disk pulse signal and carry out high-speed counting; (3) quick button, the switching signal that receives near switching signal and operator's console; (4) according to the real-time given signal of length, detected linear velocity signal, the length signals that measuring roller is measured, the actual position signal of detected scissors and near switching signal calculates the priming speed V of scissors DWith the speed of formulation V DD, and pass through the mould ejecting plate and give the next flying shear numerical control silicon V REF, make the flying shear motor carry out starting, operation and braking are finished scissors and are accurately sheared.

Claims (8)

1, a kind of coiled material finishing train control system is characterized in that this system comprises:
A host computer carries out communication with slave computer, is used for each equipment operation of finishing train is realized monitoring in real time and manufacturing parameter setting;
Slave computer, by running control PLC and flying shear scale PLC form completely, wherein the PLC of running control completely is used to realize that the master of whole machine row makes speed control, uncoiler Tension Control, speed synchronization control, coiling machine Tension Control and logical order control, and with upper machine communication with realize exchanges data; Flying shear scale PLC wherein is used to control the flying shear motor, scissors is accurately sheared by technique initialization plate length, and carried out exchanges data with host computer;
Also comprise following basic control system:
Direct current speeder makes each equipment direct current generator stable operation by the unified control of the PLC of running control completely;
AC frequency control apparatus by the unified control of the PLC of running control completely, is used for quick belt alternating current generator running control;
Hydropneumatic control actuating equipment makes hydraulic pressure, pneumatic equipment operation by the PLC of running control completely control;
Each operator's console case is controlled each device start and is stopped;
Flying shear digital DC speed regulator makes the operation of flying shear shear gauge by flying shear scale PLC control.
2, coiled material finishing train control system as claimed in claim 1 is characterized in that: described base level also comprises supplementary controlled system, by the PLC of running control completely control, is used for alternating current generator and the circle shear shearing width is controlled.
3, coiled material finishing train control system as claimed in claim 1, it is characterized in that: described all fronts running control PLC is made up of an AnS type PLC and a FX2-128MR type PLC, wherein AnS type PLC is used to control Direct Current Governor System and AC variable-frequency speed regulation system and each operator's console case, and FX2-128MR type PLC is used to control supplementary controlled system and hydropneumatic control system.
4, as described coiled material finishing train control system one of in the claim 1 to 3, it is characterized in that: described direct current speeder, the controllable silicon DC speed regulator that comprises uncoiler, five-roll machine, 17 roller straighteners, circle shear, flying shear, coiling machine, and the direct current generator controllable silicon DC speed regulator of 1#, 2#, 3#, 4# citation roller and 1#, 2# jockey pulley, be used to control the direct current generator running of the said equipment.
5, coiled material finishing train control system as claimed in claim 4 is characterized in that: described controllable silicon DC speed regulator is a 6RA70 total digital DC speed regulator.
6, as described coiled material finishing train control system one of in the claim 1 to 3, it is characterized in that: described AC frequency control apparatus is the MDV frequency converter.
7, as described coiled material finishing train control system one of in the claim 1 to 3, it is characterized in that: described host computer and slave computer are realized communication by the PLC745B address card, carry out exchanges data.
8, as described coiled material finishing train control system one of in the claim 1 to 3, it is characterized in that: described flying shear scale control PLC is AnS type PLC.
CN 200610081071 2006-05-23 2006-05-23 Coiled material finishing train control system Pending CN1851591A (en)

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Application Number Priority Date Filing Date Title
CN 200610081071 CN1851591A (en) 2006-05-23 2006-05-23 Coiled material finishing train control system

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Application Number Priority Date Filing Date Title
CN 200610081071 CN1851591A (en) 2006-05-23 2006-05-23 Coiled material finishing train control system

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CN1851591A true CN1851591A (en) 2006-10-25

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101776888B (en) * 2009-07-10 2012-05-09 固高科技(深圳)有限公司 Shearing method of flying shears and special motion controller for flying shears
CN102744330A (en) * 2012-05-16 2012-10-24 东莞市瑞辉机械制造有限公司 Control system of automatic short-dimension material leveling and feeding machine
CN105892407A (en) * 2016-06-12 2016-08-24 佛山市中菱智控科技有限公司 Sheet metal clearance eliminating control system for metal plate hot laminated film production line
CN109669386A (en) * 2018-10-31 2019-04-23 广东天安新材料股份有限公司 A kind of reel monitoring system and the bundling production method that can be monitored

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101776888B (en) * 2009-07-10 2012-05-09 固高科技(深圳)有限公司 Shearing method of flying shears and special motion controller for flying shears
CN102744330A (en) * 2012-05-16 2012-10-24 东莞市瑞辉机械制造有限公司 Control system of automatic short-dimension material leveling and feeding machine
CN102744330B (en) * 2012-05-16 2015-03-11 东莞市瑞辉机械制造有限公司 Control system of automatic short-dimension material leveling and feeding machine
CN105892407A (en) * 2016-06-12 2016-08-24 佛山市中菱智控科技有限公司 Sheet metal clearance eliminating control system for metal plate hot laminated film production line
CN105892407B (en) * 2016-06-12 2018-08-31 佛山市中菱智控科技有限公司 Eliminate control system in a kind of plate gap for the hot coating production line of metal plate
CN109669386A (en) * 2018-10-31 2019-04-23 广东天安新材料股份有限公司 A kind of reel monitoring system and the bundling production method that can be monitored

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