CN107783477A - A kind of high line baling press PLC automatic control system - Google Patents
A kind of high line baling press PLC automatic control system Download PDFInfo
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- CN107783477A CN107783477A CN201610714209.3A CN201610714209A CN107783477A CN 107783477 A CN107783477 A CN 107783477A CN 201610714209 A CN201610714209 A CN 201610714209A CN 107783477 A CN107783477 A CN 107783477A
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- baling press
- control system
- high line
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1194—Send dummy, check data to I-O to check correct I-O connection
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control By Computers (AREA)
Abstract
The technological requirement automatically controlled to high-speed rod baling press, a kind of high line baling press PLC automatic control system is invented.The system is made up of slave station of PLC, touch-screen and remote I/0 etc., is communicated by the Profibus between PLC and slave station, realizes digital quantity setting, and the real-time display of the packing course of work and parameter of packing.Production practices show, the technical indicator such as the control accuracy of the baler control system, response speed fullys meet technological requirement, and system operation is reliable, easy to operate, improves operating efficiency, reduces operation and maintenance cost.
Description
Art
The present invention relates to a kind of control system, more particularly to a kind of high line baling press PLC automatic control system.
Background technology
Baling press is the distinctive equipment of Modern High-Speed wire rod production line.It integrates machinery, hydraulic pressure, electrical control, position
In the finishing area of high line.Baling press compresses the coiling shipped by C-shaped hook by baling press, and edge rolling circumferential direction is in 90 ° along the line
Decile makes a call to 4 parallel tieing.Coil of wire minimum length greatly facilitates the storage and fortune of coiling up to 0.5~0.6 m after packing
It is defeated.Shaoguan Christian Breton Industrial Technology Co., Ltd designs and the BT4600 type baling press of manufacture its electric control system actions are accurate
Really, reliably, intelligence degree it is high.Control system carries out data acquisition and control using distributed I/O.Wiring cost is reduced,
Information Security is improved, adds system flexibility ∞]：The state of monitoring baling press in real time, maintenance personal couple easy to operation
Equipment is monitored the hidden danger present in timely discovering device, adopts an effective measure in time, avoids the extension of accident.Compacting
Car, the speed of drawing lines frame and packing line tension can follow correction automatically, ensure that compacting and bind effect.
High line baling press is the fully-automatic intelligent control device of a set of extremely complex mechanical-electrical-hydraulic integration.It includes several
Aspect automatically controls：Position control, motion control, speed control, hydraulic control, controlling alarm, interlocked control and order are controlled
System etc..
The content of the invention
The purpose of the present invention is the technological requirement automatically controlled to high-speed rod baling press, devises a kind of high line baling press
PLC automatic control system.
The technical solution adopted for the present invention to solve the technical problems is.
Chartered plane PLC control system structure can be divided into following 3 bulk by function：1. ancillary equipment：This part includes liquid
Pressure lubricating station, master station, power distribution cabinet；2. baling press main equipment：Including 4 packing heads, 2 compacting cars, 1 lifting platform, 4
Line feeding wheel, line storehouse and drawing lines frame；3. fieldbus, for the signal connection and communication between master station and baling press, hydraulic station.
The control of described chartered plane is more dispersed, therefore uses the distributed I/O Control System Designs based on DP buses..
Described PLC controls system is made up of 1 set of S7-300 CPU main website, 7 sets of ET200S slave stations and 1 set of MP277 key screen.
Described DP main websites select CPU 317-2PN/DP, are the centers of whole control system.
This 6 slave stations of A101, A201, A202, A203, A204, A205 of described system select 6,ES7 151.1
The DP of AA05-0AB0ET-200S IM 151 connect EI templates.
Local control and user of the described A101 stations as master station meet El.
Control of the described A201 stations as line storehouse, lift master and compacting car driving.
Control and 1# compacting truck position detection of the described A202 stations as 1#, 2# packaged unit.
Described control of the A203 stations as 3#, 4# packaged unit.
Described control of the A204 stations as 1#~4# line feeding units.
Control and 2# compacting truck position detection of the described A205 stations as drawing lines frame.
Described A11 stations are intelligent slave station, from DPs of the 6ES7 151-7AA21-0AB0 ET-200S IM 151 with CPU
Interface model.
The automatic packing process process description of described baling press is as follows.1. pre-pressing, 2. compress, 3. start line feeding, punching press
It is ready, 4. tie device, 5. tense pack thread, 6. kink, 7. return initial position,
Described lifting platform position, 2 compacting truck positions and 4 packing wire velocity controls be respectively adopted encoder G3, G1 and G2,
1S18~4S18 realizes that encoder model selects 6ES7 138-4DA04-0AB0 type high speed counting modules 24VDC/100kHz.
Described DP main websites are not the input/output for directly accessing intelligent DP slave stations, but access CPU defeated IV output ground
The transmission range in location space, the data exchange between the address area and defeated IV output of reality is handled by the CPU of intelligent slave station.
Data exchange between described main website and intelligent slave station is periodically automatically performed by PLC operating system,
User program is not needed.
The main task of described compacting car is the centering compacting functions for completing to coil, and it, which is controlled, mainly includes compacting car
Logic control, centering control, the calculating of position and compaction force.
The main task of described position control is to calculate the displacement of 2 compacting cars, the advance of generation compacting process high speed,
The signals such as low-speed forward, ease astern and compacting completion, and calculate and coil length and judge to coil centering.
The beneficial effects of the invention are as follows.
Production practices show, the technical indicator such as the control accuracy of the baler control system, response speed is fully meet
Technological requirement, system operation is reliable, easy to operate, improves operating efficiency, reduces operation and maintenance cost.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is baling press PLC control system structure chart.
Fig. 2 is baling press detection signal layout drawing.
Fig. 3 is baling press circulation packing flow chart.
Fig. 4 is drawing lines frame operation curve.
Embodiment
As shown in figure 1, baling press PLC control system structure can be divided into following 3 bulk by function：1. ancillary equipment：
This part includes hydrodynamic lubrication station, master station, power distribution cabinet；2. baling press main equipment：Including 4 packing heads, 2 compacting cars, 1
Individual lifting platform, 4 line feeding wheels, line storehouse and drawing lines frame；3. fieldbus, for the letter between master station and baling press, hydraulic station
Number connection and communication.The control of baling press is more dispersed, therefore uses the distributed I/O Control System Designs based on DP buses.
PLC controls system is made up of 1 set of S7-300 CPU main website, 7 sets of ET200S slave stations and 1 set of MP277 key screen.DP main websites select CPU
317-2PN/DP, it is the center of whole control system.This 6 slave stations of A101, A201, A202, A203, A204, A205 are selected
The DP of 151.1 AA05-0AB0ET-200S IM of 6ES7 151 connect EI templates.Wherein, local control of the A101 stations as master station
El is met with user；Control of the A201 stations as line storehouse, lift master and compacting car driving；A202 stations are used as 1#, 2# packaged unit
Control and 1# compactings truck position detection；Control of the A203 stations as 3#, 4# packaged unit；A204 stations are used as 1#~4# line feeding units
Control；Control and 2# compacting truck position detection of the A205 stations as drawing lines frame.A11 stations are intelligent slave station, from 6ES7 151-
DP interface models of the 7AA21-0AB0 ET-200S IM 151 with CPU.Integrated 24kB working memories, as hydrodynamic lubrication station
Control.
When the C-shaped hook with coiling is parked in baling press position of center line.Positioning clamping apparatus closed-lock, PF lines are controlled automatically
System processed, which is sent, starts packing instruction startup baling press.The automatic packing process process description of baling press is as follows.1. pre-pressing.1#、
2# is compacted car and moved simultaneously towards coiling direction under the driving of hydraulic cylinder, drawing lines frame advance the puck, lifting since on compacting car
Platform up moves to coiling and free state is just remain between C-shaped hook.2. compress.2# compacting cars, which just touch, coils side
When (action of s8 optoelectronic switches), lift master continue rise hold up coil, then be compacted car compress coil, while drawing lines frame draw close to
Close (inductance sensor S12 actions).3. starting line feeding, punching press is ready.Fluid motor-driven wire agency sends out pack thread, together
Shi Suoding 1#, 2# are compacted car.4. tying device, stop line feeding when encountering the baffle plate of clamping device, pack thread head is clamped.⑤
Tense pack thread.Inwardly operation is moved to packed locations to winding device, and pocket line wheel is opened, while line feeding wheel inverts, pack thread quilt
Tense.Remaining line is sent back to line storehouse.6. twisting together, shear.Line feeding wheel stops, after pulse coder provides instruction, kink.Kink
Complete, pack thread is cut.At this moment packing is completed.7. return to initial position.After packing terminates, 1#, 2# compacting car return initial
Position, drawing lines frame correcting action, lift master correcting action.
As shown in Fig. 2 packed coiling is hung on c-type suspension hook, baler control system is sent to PF line control systems
Instruction is completed in packing.From packing process process analysis procedure analysis, baling press realizes fast and accurately packing control, except requiring each
Detection signal is normally outer, it is necessary to which, it is required that the height and position of lifting platform wants precise control, compacting car wants quick precompressed and punching press just
Thread, packing wire velocity control is suitable, drawing lines frame energy quick closedown.Lifting platform position, 2 compacting truck positions and 4 packing linear speeds
Encoder G3, G1 and G2 is respectively adopted in degree control, 1S18~4S18 is realized, encoder model selects 6ES7 138-4DA04-
0AB0 type high speed counting modules 24VDC/100kHz.
By RJ45 mouth twisted-pair communications between the CPU in master station 317 of communication network, man-machine interface MP277 and host computer,
CPU IP address is 192.168.0.3, and MP277 IP address is 192.168.0.1.Used between main website and HMI, DP slave station
DP shielding copper twisted pairs communications.Main website, HMI, A101 slave station, A201 slave stations, A202 slave stations, A203 slave stations, A204 slave stations, A205
The DP addresses of slave station and A11 intelligent slave stations are respectively 3,12,11,21,22,23,24,25,8.Main website directly access remote I/O from
The address stood.
DP main websites are not the input/output for directly accessing intelligent DP slave stations, but access CPU defeated IV OPADD space
Transmission range, by the CPU of intelligent slave station handle the address area and reality it is defeated IV output between data exchange.Main website and intelligence
Data exchange between slave station is periodically automatically performed by PLC operating system, it is not necessary to user program.Click on DP slave stations
" configuration " tab of dialog box, clicked the " new " button, and communication pattern, input and output are set in the dialog box of ejection
Location, exchange the parameter such as section length and unit.When the defeated A/ output areas of communication are set, it should be ensured that an output of DP main websites is distinguished
One input area of dispensing DP slave stations, vice versa.After the completion of configuration, the hardware configuration window of main website is returned, compiles preservation group
State result.
The signal of communication of baling press totally 59, the communication data between master-salve station, which exchanges signal, mainly to be had：Communication is just firmly believed
Number, emergent stop signal, start and stop, operation, block and the fault-signal of hydraulic pump, the start and stop of circulating pump and heater, operation, block and
Fault-signal, oil level, oil temperature height detection signal, oil temperature etc..
Baling press could start automatic mode in initial position.Baling press condition in situ is：First, compacting returns initially
Position, second, packing head returns to initial position.Being compacted condition in situ is：1# is compacted car in rear spacing S3, and 2# is compacted car rear
Spacing S6, lift master is in lower limit S10. drawing lines frame in rear spacing S14.Packing head condition in situ is：Winding device is initial
Position S5, packing head is in initial bit S20.If system is unsatisfactory for in-situ condition, opened by the compacting operation selection on master station
Close and pack head operating selection switch, Manual reset operation.
The main task of compacting car is the centering compacting functions for completing to coil, and it controls the logic control for mainly including compacting car
System, centering control, the calculating of position and compaction force.Wherein, logic control mainly complete 1#, 2# compacting advance of car, locking, after
Move back and with the function such as the interlocking of bundling.The main task of position control is to calculate the displacement of 2 compacting cars, produces compacting process
The signals such as high speed advance, low-speed forward, ease astern and compacting completion, and calculate and coil length and judge to coil centering.It is right
In the centering control of compacting car, offset Sc will be coiled, displacement difference (Spp1-Spp2) conduct as Setting signal, compacting car
Feedback signal, input PID arithmetic device, the caused velocity amplitudes exported for controlling 24 compacting cars, after the completion of ensureing compacting
Coiling center overlaps with rings center, reaches the purpose for making hook balancing.
As shown in figure 3, the motion parts of drawing lines frame are arranged on 2# compacting cars, by a fluid motor-driven；Fixed part
Divide and be arranged on 1# compacting cars.For drawing lines frame in addition to following compacting car motion, motion parts also have being moved through for Relative compaction car
Journey.Drawing lines frame is lighter, and movement velocity is fast, in addition to slowing down and controlling, there is also mounted damper and carries out surge guard.Drawing lines frame
Motion and the motion of compacting car need no-float.Baling press stretches out damper after starting, pre-pressing is completed to send instruction, started
Drawing lines frame advances at utmost speed, and switchs to low-speed forward after moving to advance deceleration position S15；Drawing lines frame closes up (S12 obtains electric), and startup is sent
Line, while withdraw damper.In line sending packing process, in order to keep drawing lines frame to be in effective closed configuration, hydraulic motor is low
Speed work.Send instruction (GC-REV) after the completion of packing, switch to low speed (VL2) during drawing lines frame elder generation high reverse to position S16
Retract S14 in situ.Install advance limit position S13 detections additional, drawing lines frame proceeds to S13 to be stopped immediately.
As shown in figure 4, the speed control of pack thread has high speed line sending, low speed line sending, takes out tight, low speed at a high speed and take out tight and low speed
The processes such as take-up, and detection signal only has pack thread to detect S4 and pack thread preadmission packing head detection S2 two in line feeding unit.
The control signal of line sending speed need to coordinate sensor to realize by pulse coder S18.Line feeding starts order (START_FEED),
Line feeding wheel hydraulic motor at a high speed rotate forward, pack thread along drawing lines around coil, close to packing head when (encoder S18 sends 8200
Individual pulse), line feeding wheel low speed rotates forward, and pack thread enters people's packing head (arrival of S2 trailing edges), continues to walk 420 pulses arrival gears
Block, complete line sending process.When head clamping of packing is completed, take out tight signal (BU-STll) and arrive, line feeding wheel high speed reverse rotation, work as coding
When device S18 umber of pulse does not change, represent once to tense and terminate；After pocket line wheel is opened, line feeding wheel enters people's low speed (VL2) reversion,
When encoder S18 umber of pulse no longer changes, represent that secondary tension terminates.When kink, shearing completion, head return signal of packing
(BU-STl9) then, line feeding wheel low speed and reverse, carry out take-up, when packing head initial position signal arrive, and line feeding unit have beat
During envelope curve (S4 has signal), take-up terminates, and packing is completed.If packing head return initial position, line feeding unit without pack thread (S4 without
Signal), represent packing failure, it is necessary to secondary packing.
The HMI of baling press is monitored in real time using the key of MP277 10 " of Siemens Company, be easy to site operation people's manipulation and
Monitor baling press.HMI monitored pictures use the WinCC flexible2008 software developments of Siemens, totally 18 width, mainly have with
Lower function.Baling press main menu, it is possible to achieve whole with automatically switching, into other monitored pictures, monitoring baling press manually
Running body state, monitor coiled state, record packing quantity and coiling length etc..4 packing head monitoring pictures, for packing
The position detection and motion state monitoring of head, line feeding unit, winding device, pack thread etc..Compaction state monitored picture, it can monitor
It is compacted the position detection of car, drawing lines frame, lift master, real-time display compacting car and the speed of drawing lines frame and the numerical value of compaction force, prison
Depending on coding displacement umber of pulse of compacting car and lift master etc..Hydraulic station monitored picture, the start and stop of hydraulic motor, circulating pump can be monitored
Control and running status, can also monitor numerical value and the running situations such as liquid level, temperature and oil circuit butterfly valve.Other information display screens
There are packing head status picture, packing head course of work picture, packing head setting screen, baling press status screen, baling press work
Process picture, it is compacted setting screen and PF line communications status picture, Profibus communication signal conditions pictures etc..Realtime Alerts
Picture has packing head malfunction coefficient picture, compacting process malfunction coefficient picture, hydraulic station help screen etc..
Claims (9)
1. a kind of high line baling press PLC automatic control system, structure can be divided into following 3 bulk by function：1. ancillary equipment：
This part includes hydrodynamic lubrication station, master station, power distribution cabinet；2. baling press main equipment：Including 4 packing heads, 2 compacting cars, 1
Individual lifting platform, 4 line feeding wheels, line storehouse and drawing lines frame；3. fieldbus, for the letter between master station and baling press, hydraulic station
Number connection and communication.
A kind of 2. high line baling press PLC control system structure according to claim 1, it is characterized in that the control of described chartered plane
Make it is more dispersed, therefore use the distributed I/O Control System Designs based on DP buses.
A kind of 3. high line baling press PLC control system structure according to claim 1, it is characterized in that described PLC controls system
System is made up of 1 set of S7-300 CPU main website, 7 sets of ET200S slave stations and 1 set of MP277 key screen.
A kind of 4. high line baling press PLC control system structure according to claim 1, it is characterized in that described DP main websites choosing
It is the center of whole control system with CPU 317-2PN/DP.
5. a kind of high line baling press PLC control system structure according to claim 1, it is characterized in that described system
This 6 slave stations of A101, A201, A202, A203, A204, A205 select the AA05-0AB0ET-200S IM of 6,ES7 151.1
151 DP connect EI templates.
A kind of 6. high line baling press PLC control system structure according to claim 1, it is characterized in that described A101 stations are used
The local control and user for making master station meet El.
A kind of 7. high line baling press PLC control system structure according to claim 1, it is characterized in that described A201 stations are used
Make the control in line storehouse, lift master and compacting car driving.
A kind of 8. high line baling press PLC control system structure according to claim 1, it is characterized in that described A202 stations are used
Make the control and 1# compactings truck position detection of 1#, 2# packaged unit.
A kind of 9. high line baling press PLC control system structure according to claim 1, it is characterized in that described A203 stations are used
Make the control of 3#, 4# packaged unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610714209.3A CN107783477A (en) | 2016-08-24 | 2016-08-24 | A kind of high line baling press PLC automatic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610714209.3A CN107783477A (en) | 2016-08-24 | 2016-08-24 | A kind of high line baling press PLC automatic control system |
Publications (1)
| Publication Number | Publication Date |
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| CN107783477A true CN107783477A (en) | 2018-03-09 |
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ID=61388180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610714209.3A Pending CN107783477A (en) | 2016-08-24 | 2016-08-24 | A kind of high line baling press PLC automatic control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109178417A (en) * | 2018-09-29 | 2019-01-11 | 安阳合力创科冶金新技术股份有限公司 | Cold-rolled thread steel bar production line realizes the method being automatically packaged |
| CN113385540A (en) * | 2021-06-01 | 2021-09-14 | 常州皓鸣信息科技有限公司 | Coil tracking system and method for steel rolling PF line |
-
2016
- 2016-08-24 CN CN201610714209.3A patent/CN107783477A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109178417A (en) * | 2018-09-29 | 2019-01-11 | 安阳合力创科冶金新技术股份有限公司 | Cold-rolled thread steel bar production line realizes the method being automatically packaged |
| CN109178417B (en) * | 2018-09-29 | 2020-05-22 | 安阳复星合力新材料股份有限公司 | Method for realizing full-automatic packing of cold-rolled deformed steel bar production line |
| CN113385540A (en) * | 2021-06-01 | 2021-09-14 | 常州皓鸣信息科技有限公司 | Coil tracking system and method for steel rolling PF line |
| CN113385540B (en) * | 2021-06-01 | 2022-04-01 | 常州皓鸣信息科技有限公司 | Coil tracking system and method for steel rolling PF line |
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Application publication date: 20180309 |