CN105629912A - Fully automatic cutting and forming intelligent control system for brick and tile industry - Google Patents
Fully automatic cutting and forming intelligent control system for brick and tile industry Download PDFInfo
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- CN105629912A CN105629912A CN201410616056.XA CN201410616056A CN105629912A CN 105629912 A CN105629912 A CN 105629912A CN 201410616056 A CN201410616056 A CN 201410616056A CN 105629912 A CN105629912 A CN 105629912A
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Abstract
The invention relates to a fully automatic cutting and forming intelligent control system for a brick and tile industry. The system comprises an extruder operation control system consisting of an extruder control device and an extruder program control part. The extruder program control part comprises a main program, a parameter setting sub program, a data storage sub program, an extruder pressure PID control sub program, an extruder current PID control sub program, and an extruder production control sub program. The intelligent control system further comprises an extruder slitting self-diagnosis system. The invention can accurate control the extruding pressure of an extruder, is small in fluctuation range of the extruding pressure, high in forming quality, and good in production adaptability to different products, also has a self-diagnosis function and an alarm function, and can carry out self-diagnosis analysis of reasons why a program cannot continue to operate and display the analysis result and fault solution on a human-machine interface. In addition, when a slitting steel wire breaks, the diagnosis system can automatically alarm and stop the operation of an extruder host.
Description
Technical field
The present invention relates to the full-automatic extrusion excision forming intelligence control system of a kind of brick-tile industry.
Background technology
Brick-tile industry is made up of extruder, cutting cutter and blank cutter with full-automatic extrusion excision forming equipment, it is continuous mud bar that extruder is used for pug extrusion molding, cutting cutter is for cutting into long strip type by mud bar, and blank cutter is for cutting into, by the pug of long strip type, the moulded pottery not yet put in a kiln to bake needing size.
Double-stage vacuum extruding machine is plant equipment important in brickmaking production technology, and extrusion pressure is the most crucial parameter of double-stage vacuum extruding machine, the quality of direct relation product. In existing vacuum extruding machine equipment, it is all adopt the artificial mode in vacuum-extruder higher level's water distribution to carry out extensive adjustment extrusion pressure, accurate due to manual adjustment, the fluctuation of extruder extrusion pressure can be made big, and the control of force value is also inaccurate, thus cause unstable product quality.
It addition, the electric control system of existing double-stage vacuum extruding machine is all without self-diagnosable system, cannot report to the police after electric control system breaks down and carry out self diagnosis. Often some little equipment faults, it is also desirable to shutdown waits that producer professional shows up and keeps in repair, and device Diagnostic is long for maintenance time, affects production efficiency.
Also have, the control system that what existing double-stage vacuum extruding machine and cutting cutter generally used is all two sets are independent, after wherein a certain equipment is out of order, another equipment is still running, such as when after the steel wire fracture of wire of cutting cutter, mud bar still persistently extruded by extruder, when the words that mud bar is not cut through cutting cutter, it is easy to cause the infringement that blank cutter works.
Summary of the invention
The main technical problem to be solved in the present invention is: providing a kind of accurately can control the extrusion pressure of extruder, extrusion pressure fluctuation range is little, Forming Quality is high, and with full-automatic, the good brick-tile industry of adaptability that produces of different product is extruded excision forming intelligence control system.
What the invention solves the problems that technical problem is that further: make the present invention also have self-diagnostic function and warning function, can will cause that the reason that program cannot continue to run with carries out self diagnosis analysis, and analysis result and fault solution are shown in man machine interface by the form of picture and word, additionally when after cutting steel wire fracture of wire, diagnostic system can automatic alarm stop the operation of extruder main frame.
The technical scheme solving above-mentioned technical problem is: a kind of brick-tile industry is by full-automatic extrusion excision forming intelligence control system, including the extruder operation control system being made up of extruder control device and extruder program controls portions,
Described extruder controls device and includes control part, detection part and execution part, described control part includes switch board, PLC and the human-computer interaction interface being connected with PLC is had in switch board, described test section divides the encoder for detecting extruder mud bar speed including being connected respectively with PLC, with the pressure transducer going out to detect extruder extrusion pressure, it is respectively used to current sensor I and the current sensor II of detection extruder higher level's motor and subordinate's current of electric, for detecting the material position sensor of pug position in extruder higher level's vacuum tank and for detecting the flow transducer of extruder inflow, described enforcement division divides the converter I including being respectively used to control extruder higher level's motor and subordinate's motor speed and converter II and for controlling the flow control valve of extruder inflow, described converter and flow control valve are connected with PLC respectively,
Described extruder program controls portions is: include mastery routine and parameter arranges subprogram, data store subprogram, extruder pressure P ID controls subprogram, extruder electric current PID controls subprogram, extruder yield controls subprogram, the flow process of described mastery routine is: beginning �� subprogram initialization �� call parameters arranges subprogram, by the human-computer interaction interface extrusion pressure to extruder, yield and control electric current are set �� call data and store subprogram, the parameter arranged in real time is carried out storage and backs up �� call extruder Stress control PID subprogram, judge that whether the observed pressure of extrusion pressure reduces constant-pressure less than or equal to setting value �� N, control flow control valve and adjust the inflow of extruder, return again to judge that whether the observed pressure of extrusion pressure reduces constant-pressure less than or equal to setting value, Y, call extruder electric current PID and control subprogram, judge that the measured current of extruder current of electric reduces and whether determine electric current less than or equal to setting value �� N, control converter and adjust motor speed, return judges that the measured current of extruder current of electric reduces and whether determines electric current less than or equal to setting value, Y, whether detection motor speed adjusts �� Y, return and judge that whether the observed pressure of extrusion pressure reduces constant-pressure less than or equal to setting value, N, call extruder yield and control subprogram, judge that extruder sets yield and whether subtracts actual production less than or equal to zero �� N, extruder Stress control PID subprogram is called in return, Y, shutdown �� return starts.
The further technical scheme of the present invention is: this brick-tile industry also includes extrusion cutting self-diagnosable system by full-automatic extrusion excision forming intelligence control system, described extrusion cutting self-diagnosable system includes signal input pickup, PLC and for showing the man machine interface of self diagnosis result and alarm, described signal input pickup includes pressure transducer, current sensor, material position sensor, flow transducer, for detecting the cutting pulling force sensor of cutting cutter cutting steel wire and for detecting the temperature sensor of extruder bearing temperature, described PLC includes CPU and the signal input module being connected respectively and alarm signal output module with CPU, described alarm signal output module includes various kinds of sensors failure alarm signal output module, the excessive alarm signal output module of extrusion pressure, the excessive alarm signal output module of current of electric, Bearing Temperature alarm signal output module and disconnected cutting steel wire alarm signal output module, described signal input pickup is connected with the signal input module of PLC, alarm signal output module is connected with man machine interface.
Described self-diagnosable system also includes the alarm lamp and emergency alarm bell that are connected with PLC.
Described human-computer interaction interface is with the HMI touching display screen.
Described PID controls the flow process of subprogram: start �� operation PID program �� reading actual parameter �� reading setup parameter �� reading pid parameter �� carry out PID arithmetic �� output result �� end.
The further technical scheme of the present invention is: this brick-tile industry includes the blank cutter operation control system being made up of blank cutter control device and blank cutter program controls portions by full-automatic extrusion excision forming intelligence control system,
Described blank cutter controls device and includes control part, detection part and execution part, described control part includes the PLC in switch board and the human-computer interaction interface being connected with PLC, described test section divides and includes the mud bar that is connected with PLC respectively to level sensor, push away base head to level sensor with for detecting the tension pick-up of blank cutter cutting base steel wire tensile force, described enforcement division is divided and is included pushing away blanking device and engaging with motor and the electromagnetic clutch that disconnects and for controlling the tension controller of blank cutter cutting base steel wire tension force for controlling blank cutter, described electromagnetic clutch and tension controller are connected with PLC,
Described blank cutter program controls portions is: include pinch-off mastery routine and parameter arranges subprogram, data store subprogram, steel wire tensile force PID controls subprogram, pinch-off controls subprogram, pinch-off yield controls subprogram, the flow process of described pinch-off mastery routine is: beginning �� subprogram initialization �� call parameters arranges subprogram, by human-computer interaction interface, blank cutter is cut the raw material of moulded pottery not yet put in a kiln to bake, the molding type of moulded pottery not yet put in a kiln to bake, cutting base steel wire tension force and yield are set �� call data and stores subprogram, undertaken the parameter arranged in real time storing and back up �� call steel wire tensile force PID and control subprogram �� judge that the actual measurement tension force of cutting base steel wire reduces and whether determine tension force less than or equal to setting value �� N, adjust tension controller, return again to judge that the actual measurement tension force of cutting base steel wire reduces and whether determine tension force less than or equal to setting value, Y, calls pinch-off and controls subprogram �� call pinch-off yield and control subprogram, it is judged that set yield and whether subtract actual production less than or equal to zero �� N, returns and calls steel wire tensile force PID and control subprogram, Y, shutdown �� return starts.
Described blank cutter operation control system also includes blank cutter self-diagnosable system, described blank cutter self-diagnosable system includes pinch-off signal input pickup, PLC and man machine interface, described pinch-off signal input pickup includes mud bar to level sensor, push away base head to level sensor, tension pick-up, for detecting the current sensor III of blank cutter current of electric, described PLC includes CPU and the pinch-off signal input module being connected respectively and pinch-off alarm signal output module with CPU, described pinch-off alarm signal output module includes pinch-off various kinds of sensors failure alarm signal output module, break cutting base steel wire alarm signal output module and push away the excessive alarm signal output module of base current of electric, described pinch-off signal input pickup is connected with the pinch-off signal input module of PLC, pinch-off alarm signal output module is connected with man machine interface.
Whether described pinch-off controls the flow process of subprogram: start �� initialize �� start and send base motor �� detection mud bar to put in place �� N, return and detect whether mud bar puts in place; Y, electromagnetic clutch engages �� and whether detection push away base head and put in place �� N, and return detection and push away whether base head puts in place; Y, electromagnetic clutch disconnection �� electromagnetic brake braking �� terminate.
The brick-tile industry of the present invention has the advantages that by full-automatic extrusion excision forming intelligence control system
1, can the extrusion pressure of extruder accurately being controlled, extrusion pressure fluctuation range is little, and Forming Quality is high, and the production adaptability of different product is good. Extruder extrusion pressure of the present invention controls subprogram, and system adopts PID fuzzy control, by the current actual pressure read carries out PID arithmetic, and using its operation result reference value as current pressure, in order to PLC controls use. After actual pressure and setting pressure error are more than setting value, PLC is by being controlled the flow control valve in water pipe, it is achieved the accurate control to extrusion pressure. Additionally, for ensureing the operation stability in pressure control procedure, current of electric need to be controlled, when reality measures current value more than setup control current value, PLC is by carrying out PID adjustment to the control break motor speed of converter to electric current, make electric current less than setting value, it is achieved the control to electric current. By building a pressure, the double closed-loop control system of electric current realize the stability contorting of vacuum-extruder pressure.
2, equipment can be carried out monitor in real time, in process of production the fault occurred be carried out self diagnosis, it is possible to be effectively improved production efficiency. The present invention can monitor the cutting steel wire of cutting cutter in real time, when after cutting steel wire fracture of wire, diagnostic system can automatic alarm stop the operation of extruder main frame, it is to avoid because after cutting steel wire fracture of wire, extruder also causes the infringement to follow-up blank cutter and the waste of mud bar at normal operation. The present invention is provided with self-diagnostic function and warning function, by logical operations, can will cause that the reason that program cannot continue to run with carries out self diagnosis analysis, and is shown in analyzing result and fault solution on touch display screen by the form of picture and word. Meanwhile, when the input signal numerical value of sensor is more than the alarming value set, system meeting automatic alarm is also shut down. Alert program mainly has sensor fault to report to the police, the excessive warning of pressure, the excessive warning of current of electric, and Bearing Temperature is reported to the police, stubble warning device. Meanwhile, the present invention is additionally provided with blank cutter self-diagnosable system, it is possible to realize pinch-off various kinds of sensors fault alarm, disconnected cutting base steel wire is reported to the police and pushes away the functions such as the base excessive warning of current of electric.
3, owing to the present invention has self-diagnostic function, diagnostic result can show from HMI system, reduces maintenance and maintenance difficulty. Self-diagnosable system can will cause that the reason that program cannot continue to run with carries out self diagnosis analysis, and is shown in analyzing result and fault solution on touch display screen by the form of picture and word. Some simple equipment faults, operator just can oneself deal with, it is not necessary to shuts down and waits that professional shows up maintenances, it is possible to reduces downtime, raising production efficiency. Meanwhile, when the input signal numerical value of sensor is more than the alarming value set, system meeting automatic alarm is also shut down, it is possible to ensure safety in production on certain procedures.
4, the tensile force of cutting base steel wire can be carried out monitor in real time and adjustment by the blank cutter operation control system of the present invention, is suitable for different mud bar hardness, and can be effectively ensured cut quality and extend the service life of steel wire. Present invention design has cutting base steel wire tensile force to control subprogram, cutting base steel wire tensile force adopts PID fuzzy control, carry out PID arithmetic by reading the actual tensile force of tensile force sensor, and its operation result is controlled as PLC the reference value of the current steel wire tensile force used. In program operation process, when the actual tensile force of steel wire is not in setting value, PLC regulates steel wire tension by automatic tension controller, makes steel wire tension meet range of set value. Automatic tension controller mainly includes small machine and the regulating wheel composition being contained on motor, regulating wheel is wrapped steel wire, the end of steel wire has a hook, cutting steel wire one end of blank cutter can directly be buckled on hook, PLC is by controlling the forward of small machine and rotating backward namely securable or loosen steel wire, thus realizing the control to tensile force.
5, the present invention is adopted, it is possible to improve the automaticity of equipment, reduce human cost.
Below, in conjunction with the accompanying drawings and embodiments the brick-tile industry of the present invention is further described with the full-automatic technical characteristic extruding excision forming intelligence control system.
Accompanying drawing explanation
Fig. 1: the flow chart of the extruder program controls portions mastery routine of the present invention.
Fig. 2: the PID of the present invention processes program flow diagram.
Fig. 3: the extrusion cutting self diagnosis of the present invention and alarm flow figure.
Fig. 4: the flow chart of the pinch-off mastery routine of the present invention.
Fig. 5: the pinch-off of the present invention controls subroutine flow chart.
Fig. 6: the pinch-off self diagnosis of the present invention and alarm flow figure.
Fig. 7-Fig. 8: the brick-tile industry with the present invention cuts structural representation by full-automatic extrusion.
Fig. 7: top view, Fig. 8: front view.
Fig. 9: the switch board structural representation of the present invention.
Figure 10-Figure 12: with the blank cutter structural representation of blank cutter operation control system.
Figure 10: front view, Figure 11: top view, Figure 12: right view.
In figure: 1-extruder, 11-current sensor II, 12-temperature sensor, 13-subordinate main shaft, 14-material position sensor, 15-higher level's main shaft, 16-flow control valve, 17-flow transducer, 18-current sensor I, 19-main frame higher level, 110-pressure transducer, 111-main frame subordinate.
2-cutting cutter, 21-encoder, 22-cutting pulling force sensor.
3-blank cutter, 31-pushes away base motor, 32-double-shaft output reducer, 33-toggle, 34-pushes away base head to level sensor, 35-linear bearing, 36-frame, 37-tension controller, 38-tension pick-up, 39-cutting base steel wire, 310-mud bar is to level sensor, 311-electromagnetic clutch, 312-pottery roller, 313-steel wire card is taken turns, 314-steel wire card wheel shaft, 315-mud bar conveying motor, 316-current sensor.
4-switch board, 41-touches display screen, 42-converter I, 43-converter II, 44-PLC controller.
Detailed description of the invention
Embodiment 1: a kind of brick-tile industry extrudes excision forming intelligence control system with full-automatic, including extruder operation control system and extrusion cutting self-diagnosable system, extruder operation control system is controlled device by extruder and extruder program controls portions forms.
As shown in figs. 7 to 9, described extruder controls device and includes control part, detection part and execution part, described control part includes switch board, PLC 44 and the human-computer interaction interface being connected with PLC is had in switch board 4, described human-computer interaction interface is with the HMI touching display screen 41, described test section divides the encoder 21 for detecting extruder mud bar speed including being connected respectively with PLC 44, with the pressure transducer 110 going out to detect extruder extrusion pressure, it is respectively used to current sensor I 18 and the current sensor II 11 of detection extruder higher level's motor and subordinate's current of electric, for detecting the material position sensor 14 of pug position in extruder higher level's vacuum tank and for detecting the flow transducer 17 of extruder inflow, described enforcement division divides the converter I 42 including being respectively used to control extruder higher level's motor and subordinate's motor speed and converter II 43 and for controlling the flow control valve 16 of extruder inflow, described converter and flow control valve are connected with PLC respectively.
As shown in Figure 1, described extruder program controls portions is: include mastery routine and parameter arranges subprogram, data store subprogram, extruder pressure P ID controls subprogram, extruder electric current PID controls subprogram, extruder yield controls subprogram, the flow process of described mastery routine is: beginning �� subprogram initialization �� call parameters arranges subprogram, by the human-computer interaction interface extrusion pressure to extruder, yield and control electric current are set �� call data and store subprogram, the parameter arranged in real time is carried out storage and backs up �� call extruder Stress control PID subprogram, judge that whether the observed pressure of extrusion pressure reduces constant-pressure less than or equal to setting value �� N, control flow control valve and adjust the inflow of extruder, return again to judge that whether the observed pressure of extrusion pressure reduces constant-pressure less than or equal to setting value, Y, call extruder electric current PID and control subprogram, judge that the measured current of extruder current of electric reduces and whether determine electric current less than or equal to setting value �� N, control converter and adjust motor speed, return judges that the measured current of extruder current of electric reduces and whether determines electric current less than or equal to setting value, Y, whether detection motor speed adjusts �� Y, return and judge that whether the observed pressure of extrusion pressure reduces constant-pressure less than or equal to setting value, N, call extruder yield and control subprogram, judge that extruder sets yield and whether subtracts actual production less than or equal to zero �� N, extruder Stress control PID subprogram is called in return, Y, shutdown �� return starts.
As in figure 2 it is shown, the flow process that described PID controls subprogram is: start �� operation PID program �� reading actual parameter �� reading setup parameter �� reading pid parameter �� carry out PID arithmetic �� output result �� end.
As shown in Figure 3, described extrusion cutting self-diagnosable system includes signal input pickup, PLC and for show self diagnosis result and alarm man machine interface (with touch display screen 41 HMI), described signal input pickup includes pressure transducer, current sensor, material position sensor, flow transducer, alarm lamp and emergency alarm bell and for detecting the cutting pulling force sensor 22 of cutting cutter cutting steel wire and for detecting the temperature sensor of extruder bearing temperature, described PLC includes CPU and the signal input module being connected respectively and alarm signal output module with CPU, described alarm signal output module includes various kinds of sensors failure alarm signal output module, the excessive alarm signal output module of extrusion pressure, the excessive alarm signal output module of current of electric, Bearing Temperature alarm signal output module and disconnected steel wire alarm signal output module, described signal input pickup is connected with the signal input module of PLC, alarm signal output module is connected with man machine interface, alarm lamp and emergency alarm bell are connected with PLC.
Being mainly characterized by of the present embodiment: 1, control system have employed HMI(man-machine interaction) touch screen, the program that arranges of touch screen includes: extrusion pressure is worth setting, yield values must set, control current settings, pid parameter sets, and alarm parameters sets, and current pressure shows, current flow shows, Current production shows and switch control knob is arranged. This touch screen can show current extrusion pressure, yield, current values, and can need to set extrusion pressure, yield values and control electric current according to production, and these parameters can carry out real time modifying.
The control of extrusion pressure be have employed fuzzy-adaptation PID control by 2, control system.
3, control system has self-diagnostic function, after device fails, system program passes through logical operations, can will cause that the reason that program cannot continue to run with carries out self diagnosis analysis, and be shown analyzing result and fault solution on the touchscreen by the form of picture and word.
The control of double-stage vacuum extruding machine and cutting blank cutter is integrated by 4, control system, when after cutting blank cutter fracture of wire, double-stage vacuum extruding machine can autostop.
The work process of the present embodiment is: systems control division divide in pressure transducer be contained on head, encoder is contained on cutting cutter roller, material position sensor is contained in higher level's vacuum tank, after flow transducer is contained in outlet pipe, flow control valve, temperature sensor is contained on bearing block, and current sensor is contained in motor wiring place. At work, mud bar enters higher level's agitator tank by conveyer belt, higher level's vacuum tank is entered after the stirring of agitated case, it is fed forward extruding by spiral reamer after falling into subordinate's vacuum tank from higher level's vacuum tank, being squeezed into mud bar eventually through head machine mouth, after the squeezed machine outlet of mud bar moves to cutting cutter roller, the input value of pressure transducer, encoder and current sensor is calculated by PLC, then the flow control valve in water pipe and converter are controlled, thus realizing the adjustment of extrusion pressure. When the mud bar position in vacuum tank increases to material position sensor time, signal is passed to PLC, PLC and is controlled higher level's motor inverter by sensor, higher level's speed of mainshaft is made to reduce, reduce higher level's yield, so as to subordinate yield balance so that the mud bar position in vacuum tank declines. After phenomenon if there is cutting cutter fracture of wire, be contained in the pulling force sensor on cutting cutter signal can be passed to PLC, PLC will stop main frame work. After extrusion reaches work production, autostop. In the running of system, system can be run and carry out in-service monitoring by PLC, can carry out reporting to the police and carrying out self diagnosis after system goes wrong. By the form of picture and word, diagnostic result is shown in HMI to touch on display screen simultaneously.
Embodiment 2: a kind of brick-tile industry extrudes excision forming intelligence control system with full-automatic, including extruder operation control system, extrusion cutting self-diagnosable system, blank cutter operation control system and blank cutter self-diagnosable system, described extruder operation control system is identical with embodiment 1 with extrusion cutting self-diagnosable system.
Described blank cutter operation control system is controlled device by blank cutter and blank cutter program controls portions forms, described blank cutter controls device and includes control part, detection part and execution part, described control part includes the PLC in switch board and the human-computer interaction interface being connected with PLC, described test section divides and includes the mud bar that is connected with PLC respectively to level sensor 310, push away base head to level sensor 34 with for detecting the tension pick-up 38 of blank cutter cutting base steel wire, described enforcement division is divided and is included pushing away blanking device and engaging with motor and the electromagnetic clutch 311 that disconnects and for controlling the tension controller 37 of blank cutter cutting base steel wire tension force for controlling blank cutter, described electromagnetic clutch and tension controller are connected with PLC,
Described blank cutter program controls portions is: include pinch-off mastery routine and parameter arranges subprogram, data store subprogram, steel wire tensile force PID controls subprogram, pinch-off controls subprogram, pinch-off yield controls subprogram, the flow process of described pinch-off mastery routine is: beginning �� subprogram initialization �� call parameters arranges subprogram, by human-computer interaction interface, blank cutter is cut the raw material of moulded pottery not yet put in a kiln to bake, the molding type of moulded pottery not yet put in a kiln to bake, cutting base steel wire tension force and yield are set �� call data and stores subprogram, undertaken the parameter arranged in real time storing and back up �� call steel wire tensile force PID and control subprogram �� judge that the actual measurement tension force of cutting base steel wire reduces and whether determine tension force less than or equal to setting value �� N, adjust tension controller, return again to judge that the actual measurement tension force of cutting base steel wire reduces and whether determine tension force less than or equal to setting value, Y, calls pinch-off and controls subprogram �� call pinch-off yield and control subprogram, it is judged that set yield and whether subtract actual production less than or equal to zero �� N, returns and calls steel wire tensile force PID and control subprogram, Y, shutdown �� return starts.
Whether described pinch-off controls the flow process of subprogram: start �� initialize �� start and send base motor �� detection mud bar to put in place �� N, return and detect whether mud bar puts in place; Y, electromagnetic clutch engages �� and whether detection push away base head and put in place �� N, and return detection and push away whether base head puts in place; Y, electromagnetic clutch disconnection �� electromagnetic brake braking �� terminate.
Described blank cutter self-diagnosable system includes pinch-off signal input pickup, PLC and man machine interface, described pinch-off signal input pickup includes tension pick-up 38, mud bar is to level sensor 310, push away base head to level sensor 34, for detecting the current sensor III 316 of blank cutter current of electric, described PLC includes CPU and the pinch-off signal input module being connected respectively and pinch-off alarm signal output module with CPU, described pinch-off alarm signal output module includes pinch-off various kinds of sensors failure alarm signal output module, break cutting base steel wire alarm signal output module and push away the excessive alarm signal output module of base current of electric, described pinch-off signal input pickup is connected with the pinch-off signal input module of PLC, pinch-off alarm signal output module is connected with man machine interface.
In the present embodiment, the work process of blank cutter operation control system and blank cutter self-diagnosable system is as follows: the mud bar that systems control division divides is contained on splash apron bracket to level sensor, electromagnetism jaw clutch is contained on reductor power shaft, pushing away base head and be contained on the support below Linear bearing guide rail rear end to level sensor, tension pick-up is contained on lower draw-bar. before starting working, the raw material and molding type and yield that select input moulded pottery not yet put in a kiln to bake on display screen is first touched at HIM, can start working after input, after equipment is started working, first steel wire tensile force is checked, the actual value that PLC is measured by tension pick-up be set for comparison, adjust tension controller and make steel wire tension reach in range of set value. during work, mud bar is fed forward by conveying pottery roller, it is transported to mud bar behind the sensing position of level sensor, sensor passes the signal to PLC, PLC controls electromagnetism jaw clutch and combines, the power of motor output is passed to by clutch and pushes away blanking device, push away blanking device and push mud bar to cutting part, mud bar is cut into moulded pottery not yet put in a kiln to bake by specification by the steel wire on cutting part, push away blanking device and push away base head to behind the position of level sensor being moved back arrival, sensor passes the signal to PLC, PLC controls electromagnetism jaw clutch to be separated and brakes, push away base head to stop, wait next round mud bar pinch-off process. after often wheel pinch-off terminates, steel wire tensile force can be detected and adjust by system again. can autostop after blank cutter yield reaches setting value. in whole efforts, if electrical system breaks down or the steel wire that breaks, HMI system all can be reported to the police, and carries out self diagnosis, and is shown in by diagnostic result in the visual touch display screen of HMI system, it is simple to maintenance and repair.
Claims (8)
1. a brick-tile industry extrudes excision forming intelligence control system with full-automatic, it is characterised in that: include the extruder operation control system being made up of extruder control device and extruder program controls portions,
Described extruder controls device and includes control part, detection part and execution part, described control part includes switch board, PLC and the human-computer interaction interface being connected with PLC is had in switch board, described test section divides the encoder for detecting extruder mud bar speed including being connected respectively with PLC, with the pressure transducer going out to detect extruder extrusion pressure, it is respectively used to current sensor I and the current sensor II of detection extruder higher level's motor and subordinate's current of electric, for detecting the material position sensor of pug position in extruder higher level's vacuum tank and for detecting the flow transducer of extruder inflow, described enforcement division divides the converter I including being respectively used to control extruder higher level's motor and subordinate's motor speed and converter II and for controlling the flow control valve of extruder inflow, described converter and flow control valve are connected with PLC respectively,
Described extruder program controls portions is: include mastery routine and parameter arranges subprogram, data store subprogram, extruder pressure P ID controls subprogram, extruder electric current PID controls subprogram, extruder yield controls subprogram, the flow process of described mastery routine is: beginning �� subprogram initialization �� call parameters arranges subprogram, by the human-computer interaction interface extrusion pressure to extruder, yield and control electric current are set �� call data and store subprogram, the parameter arranged in real time is carried out storage and backs up �� call extruder Stress control PID subprogram, judge that whether the observed pressure of extrusion pressure reduces constant-pressure less than or equal to setting value �� N, control flow control valve and adjust the inflow of extruder, return again to judge that whether the observed pressure of extrusion pressure reduces constant-pressure less than or equal to setting value, Y, call extruder electric current PID and control subprogram, judge that the measured current of extruder current of electric reduces and whether determine electric current less than or equal to setting value �� N, control converter and adjust motor speed, return judges that the measured current of extruder current of electric reduces and whether determines electric current less than or equal to setting value, Y, whether detection motor speed adjusts �� Y, return and judge that whether the observed pressure of extrusion pressure reduces constant-pressure less than or equal to setting value, N, call extruder yield and control subprogram, judge that extruder sets yield and whether subtracts actual production less than or equal to zero �� N, extruder Stress control PID subprogram is called in return, Y, shutdown �� return starts.
2. a kind of brick-tile industry according to claim 1 extrudes excision forming intelligence control system with full-automatic, it is characterized in that: this brick-tile industry also includes extrusion cutting self-diagnosable system by full-automatic extrusion excision forming intelligence control system, described extrusion cutting self-diagnosable system includes signal input pickup, PLC and for showing the man machine interface of self diagnosis result and alarm, described signal input pickup includes pressure transducer, current sensor, material position sensor, flow transducer, for detecting the cutting pulling force sensor of cutting cutter cutting steel wire and for detecting the temperature sensor of extruder bearing temperature, described PLC includes CPU and the signal input module being connected respectively and alarm signal output module with CPU, described alarm signal output module includes various kinds of sensors failure alarm signal output module, the excessive alarm signal output module of extrusion pressure, the excessive alarm signal output module of current of electric, Bearing Temperature alarm signal output module and disconnected cutting steel wire alarm signal output module, described signal input pickup is connected with the signal input module of PLC, alarm signal output module is connected with man machine interface.
3. a kind of brick-tile industry according to claim 2 extrudes excision forming intelligence control system with full-automatic, it is characterised in that: described self-diagnosable system also includes the alarm lamp and emergency alarm bell that are connected with PLC.
4. a kind of brick-tile industry according to claim 1,2 or 3 extrudes excision forming intelligence control system with full-automatic, it is characterised in that: described human-computer interaction interface is with the HMI touching display screen.
5. the full-automatic extrusion excision forming intelligence control system of a kind of brick-tile industry according to claim 1,2 or 3, it is characterised in that: described PID controls the flow process of subprogram and is: start �� operation PID program �� reading actual parameter �� reading setup parameter �� reading pid parameter �� carry out PID arithmetic �� output result �� end.
6. a kind of brick-tile industry according to claim 1,2 or 3 extrudes excision forming intelligence control system with full-automatic, it is characterized in that: this brick-tile industry includes the blank cutter operation control system being made up of blank cutter control device and blank cutter program controls portions by full-automatic extrusion excision forming intelligence control system
Described blank cutter controls device and includes control part, detection part and execution part, described control part includes the PLC in switch board and the human-computer interaction interface being connected with PLC, described test section divides and includes the mud bar that is connected with PLC respectively to level sensor, push away base head to level sensor with for detecting the tension pick-up of blank cutter cutting base steel wire tensile force, described enforcement division is divided and is included pushing away blanking device and engaging with motor and the electromagnetic clutch that disconnects and for controlling the tension controller of blank cutter cutting base steel wire tension force for controlling blank cutter, described electromagnetic clutch and tension controller are connected with PLC,
Described blank cutter program controls portions is: include pinch-off mastery routine and parameter arranges subprogram, data store subprogram, steel wire tensile force PID controls subprogram, pinch-off controls subprogram, pinch-off yield controls subprogram, the flow process of described pinch-off mastery routine is: beginning �� subprogram initialization �� call parameters arranges subprogram, by human-computer interaction interface, blank cutter is cut the raw material of moulded pottery not yet put in a kiln to bake, the molding type of moulded pottery not yet put in a kiln to bake, cutting base steel wire tension force and yield are set �� call data and stores subprogram, undertaken the parameter arranged in real time storing and back up �� call steel wire tensile force PID and control subprogram �� judge that the actual measurement tension force of cutting base steel wire reduces and whether determine tension force less than or equal to setting value �� N, adjust tension controller, return again to judge that the actual measurement tension force of cutting base steel wire reduces and whether determine tension force less than or equal to setting value, Y, calls pinch-off and controls subprogram �� call pinch-off yield and control subprogram, it is judged that set yield and whether subtract actual production less than or equal to zero �� N, returns and calls steel wire tensile force PID and control subprogram, Y, shutdown �� return starts.
7. a kind of brick-tile industry according to claim 6 extrudes excision forming intelligence control system with full-automatic, it is characterized in that: described blank cutter operation control system also includes blank cutter self-diagnosable system, described blank cutter self-diagnosable system includes pinch-off signal input pickup, PLC and man machine interface, described pinch-off signal input pickup includes mud bar to level sensor, push away base head to level sensor, tension pick-up, for detecting the current sensor III of blank cutter current of electric, described PLC includes CPU and the pinch-off signal input module being connected respectively and pinch-off alarm signal output module with CPU, described pinch-off alarm signal output module includes pinch-off various kinds of sensors failure alarm signal output module, break cutting base steel wire alarm signal output module and push away the excessive alarm signal output module of base current of electric, described pinch-off signal input pickup is connected with the pinch-off signal input module of PLC, pinch-off alarm signal output module is connected with man machine interface.
8. a kind of brick-tile industry according to claim 7 extrudes excision forming intelligence control system with full-automatic, it is characterized in that: described pinch-off controls the flow process of subprogram and is: start �� initialize �� start and send base motor �� detection mud bar whether to put in place �� N, return and detect whether mud bar puts in place; Y, electromagnetic clutch engages �� and whether detection push away base head and put in place �� N, and return detection and push away whether base head puts in place; Y, electromagnetic clutch disconnection �� electromagnetic brake braking �� terminate.
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| CN201410616056.XA CN105629912B (en) | 2014-11-05 | 2014-11-05 | A kind of full-automatic extrusion excision forming intelligence control system of brick-tile industry |
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| CN201410616056.XA CN105629912B (en) | 2014-11-05 | 2014-11-05 | A kind of full-automatic extrusion excision forming intelligence control system of brick-tile industry |
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| CN105629912B (en) | 2017-12-26 |
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