CN202826499U - Electrical control system with function of exhausting air of sheet molding compound (SMC) dedicated hydraulic machine - Google Patents
Electrical control system with function of exhausting air of sheet molding compound (SMC) dedicated hydraulic machine Download PDFInfo
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- CN202826499U CN202826499U CN 201220434081 CN201220434081U CN202826499U CN 202826499 U CN202826499 U CN 202826499U CN 201220434081 CN201220434081 CN 201220434081 CN 201220434081 U CN201220434081 U CN 201220434081U CN 202826499 U CN202826499 U CN 202826499U
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Abstract
The utility model provides an electrical control system with the function of exhausting air of a sheet molding compound (SMC) dedicated hydraulic machine. The electrical control system with the function of exhausting the air of the SMC dedicated hydraulic machine comprises an electrical cabinet, an SMC dedicated hydraulic machine body, a hydraulic station of the SMC dedicated hydraulic machine, a motor starting circuit device, a transformer controlling device, a power source regulating device, a central processing unit (CPU) module of a programmable logic controller (PLC) arranged in the electrical cabinet, an analog quantity inputting module connected with the CPU module and arranged in the electrical cabinet, an analog quantity outputting module connected with the CPU module and arranged in the electrical cabinet, a movable button station, an integrated operational panel, a middle relay, a displacement sensor, an upper limit switch, a lower limit switch, a pressure sensor, an electromagnetic valve, an amplifier which controls a proportional valve of an electronic pump, the proportional valve and a human-computer interface. The electrical control system with the function of exhausting the air of the SMC dedicated hydraulic machine can set different air exhausting parameters based on real conditions and thoroughly exhausts bubbles generated in a SMC material hot pressing process. Swell or burst on the surface of a product is avoided, the percent of pass of products is greatly improved, cost of the products is lowered and raw materials are saved.
Description
Technical field:
The utility model relates to the machine tool electric control system, specifically a kind of SMC special hydraulic press electric control system with degassing function.
Background technology:
SMC composite special hydraulic press mainly carries out hot forming to SMC (sheet molding compound) composite.
The defective of common recognition below this kind special hydraulic press exists in carrying out SMC composite heat pressure forming process:
1.SMC composite in heat pressure forming process, can produce a large amount of bubbles in the composite, these bubbles can not effectively be discharged in a press molding process, and the phenomenon that causes the surface of product bulge to be arranged or burst has affected the quality of product greatly.
2. percent defective is high, has not only increased product cost, also causes the waste of material.
The utility model content:
The purpose of this utility model provides a kind of SMC special hydraulic press electric control system with degassing function, during SMC composite hot forming, after 1-5 different precompressed exhaust, final pressure is shaped again, the concrete condition when inferior according to each row, set different exhaust parameters, discharge thoroughly the bubble that produces in the SMC composite hot pressing, the phenomenon of avoiding the surface of product bulge to be arranged or burst has improved the qualification rate of product greatly, reduce the cost of product, saved raw material.
The technical solution of the utility model is:
SMC special hydraulic press electric control system with degassing function, include regulator cubicle, SMC special hydraulic press fuselage, SMC special hydraulic press Hydraulic Station, it is characterized in that: also include removable push-button station, centralized guidance panel, displacement transducer, pressure sensor, the start-up circuit device of motor is installed in the described regulator cubicle, the control transformer device, stabilized voltage supply device, the amplifier of control electronic pump proportioning valve, the CPU module of PLC, described CPU module is connected with the analog input module, analog output module, the input signal of amplifier is connected with analog output module, the output signal of amplifier is connected with proportioning valve, proportioning valve is installed on the electronic pump of SMC special hydraulic press Hydraulic Station, the flow that proportioning valve both can have been controlled electronic pump by the given signal of amplifier reaches the purpose of governing speed, and the pressure that also can control electronic pump simultaneously reaches the stepless adjustable purpose of pressure; Described removable push-button station is arranged on the SMC special hydraulic press fuselage forward right side ground, removable push-button station includes two slide block both hands descending button, a slide block backhaul button, a scram button and the static button of full machine, and each button all is connected with the CPU module; Described centralized guidance panel is arranged on the right front column of SMC special hydraulic press, include exhaust selection of times button, exhaust selection button, electric motor starting button, scram button, man-machine interface, each button all is connected with the CPU module, and man-machine interface and CPU module are carried out exchanges data by the RS232 communications protocol; The start-up circuit device of described motor is by electric motor starting button control motor starting, stopping by the control motor of the scram button on removable push-button station or the centralized guidance panel; Described displacement transducer is installed between two columns in SMC special hydraulic press the right, described pressure sensor is installed on the pipeline of SMC special hydraulic press Hydraulic Station, displacement transducer, pressure sensor all are connected with the analog input module, displacement transducer is used for real-time detection position, pressure sensor is used for real-time detecting system pressure, between two columns in described SMC special hydraulic press the right the Upper-lower Limit travel switch is installed also, the Upper-lower Limit travel switch all is connected with the CPU module, is used for protecting oil cylinder the excess of stroke not use; Auxiliary reclay also is installed in the described regulator cubicle, and the auxiliary reclay coil is connected with CPU module line, and the auxiliary reclay normally opened contact is connected with the coil of magnetic valve, and described magnetic valve is the control main valve of SMC special hydraulic press Hydraulic Station.
By the control magnetic valve electric and dead electricity change the motion state of SMC special hydraulic press and be applied to pressure on the workpiece, adopt auxiliary reclay directly to be connected with the CPU module, can prolong the life-span of CPU module output point.
Described control transformer device provides AC220V control voltage, and stabilized voltage supply device provides DC24V voltage.
Exhaust selection of times button on the described centralized guidance panel comprises adjustment, 0, three kinds of selection functions of single, and exhaust selects button to comprise not exhaust, two kinds of selection functions of exhaust.
The parameter that the parameter that described man-machine interface includes the key frame window that shows the various information of SMC special hydraulic press, arrange the various parameters of not exhaust of SMC special hydraulic press arranges picture window, arrange the various parameters of SMC special hydraulic press exhaust air technique arranges picture window, show that all arrange the parameter display picture window of the various parameters of SMC special hydraulic press, show and the fault alarm picture window of record trouble alarm content and time of fire alarming.
The utility model has the advantage of:
The utility model is with the SMC special hydraulic press electric control system of degassing function, and the parameter of row's time number of times and each exhaust all can arrange arbitrarily in parameter area.The parameter of each exhaust comprises precompressed exhaust pressing speed, precompressed pressure at expulsion, precompressed exhaust dwell time, and the precompressed exhaust is returned and lifted distance and the speed of lifting is returned in the precompressed exhaust.Concrete condition when inferior according to each row is set different exhaust parameters, discharges thoroughly the bubble that produces in the SMC composite hot pressing, the phenomenon of avoiding the surface of product bulge to be arranged or burst, greatly improve the qualification rate of product, reduced the cost of product, saved raw material.
The applying electronic pump carries out electric liquid closed loop proportional control to each speed and the pressure of precompressed exhaust, has greatly improved control accuracy and automaticity with the SMC special hydraulic press electric control system of degassing function.
The utility model is not only powerful, and is simple, convenient, and easy communication, is easy to realize network remote monitoring.
Description of drawings:
Fig. 1 is general illustration of the present utility model.
Fig. 2 is the picture window structure chart of HMI of the present utility model.
Fig. 3 is whole control method flow chart of the present utility model.
Fig. 4 is exhaust process control method flow chart of the present utility model.
The specific embodiment:
Such as Fig. 1, shown in Figure 2, the SMC special hydraulic press electric control system with degassing function of the present utility model includes regulator cubicle 1, SMC special hydraulic press fuselage 2, SMC special hydraulic press Hydraulic Station 3, motor start-up circuit device 12, control transformer device 5, stabilized voltage supply device 6, be installed on the CPU module 7 of the PLC in the regulator cubicle, be installed on the analog input module 8 that links to each other with the CPU module in the regulator cubicle, be installed on the analog output module 9 that links to each other with the CPU module in the regulator cubicle, removable push-button station 4, centralized guidance panel 15, auxiliary reclay 10, displacement transducer 16, limes superiors travel switch 21 and limit inferior travel switch 22, pressure sensor 19, magnetic valve 18, the amplifier 11 of control electronic pump proportioning valve, proportioning valve 20, man-machine interface 17.
Removable push-button station 4 is arranged on the SMC special hydraulic press fuselage 2 forward right side ground, comprises two slide block both hands descending button 27, a slide block backhaul button 28, a scram button 26 and the static button 29 of full machine, all is connected with CPU module 7.
Centralized guidance panel 15 is arranged on the SMC special hydraulic press 2 right front columns, each one 26 on button 24, electric motor starting button 25, scram button selected in the exhaust that comprises exhaust selection of times button 23, " not exhaust exhaust " two kinds of selection functions of " adjusting 0 single " three kinds of selection functions, and these buttons all are connected with CPU module 7; Also comprise one 10.4 inches man-machine interface 17.
Motor start-up circuit device 12 is installed in the regulator cubicle 1, by the electric motor starting button 25 control motor startings on the centralized guidance panel, controls stopping of motor by the scram button 26 on removable push-button station 4 or the centralized guidance panel 15.
Control electronic pump proportional valve amplifier 11 is installed in the regulator cubicle 1, and the input signal of amplifier 11 is connected with analog output module 9.Described proportioning valve 20 is installed on the electronic pump of SMC special hydraulic press Hydraulic Station 3, amplifier 11 output signals are connected with proportioning valve 20, proportioning valve 20 is by the given signal of amplifier 11, the flow that both can control electronic pump reaches the purpose of governing speed, and the pressure that also can control electronic pump simultaneously reaches the stepless adjustable purpose of pressure.
Man-machine interface 17 is installed on the centralized guidance panel 15, comprises that the key frame window 30 that shows the various information of SMC special hydraulic press, the parameter that the various parameters of not exhaust of SMC special hydraulic press are set arrange picture window 31, parameter that the various parameters of SMC special hydraulic press exhaust air technique are set arranges picture window 33, shows that all arrange the parameter display picture window 32 of the various parameters of SMC special hydraulic press, show and the fault alarm picture window 35 of record trouble alarm content and time of fire alarming.Man-machine interface 17 is carried out exchanges data with CPU module 7 by the RS232 communications protocol.
As shown in Figure 3, the whole control method of the SMC special hydraulic press electric control system with degassing function of the present utility model may further comprise the steps:
(a) by described electric motor starting button 25 starting motors; The parameter that parameter by the various parameters of described not exhaust of the SMC of setting special hydraulic press arranges picture window 31 and the various parameters of SMC special hydraulic press exhaust air technique are set arranges picture window 33 desired parameters is set;
(b) by described two slide block both hands descending button 27, slide block is descending fast;
(c) detect the position of slide blocks operation by described displacement transducer 16, to setting turn soon slow position after, slide block changes at a slow speed descending pressurization over to;
(d) select button 24 whether need to select exhaust by the exhaust of described " not exhaust exhaust " two kinds of selection functions.If select not exhaust, then pressurize according to the final pressure pressure value that arranges; If the selection exhaust, then carry out the exhaust process of corresponding number of times according to the row who arranges time number of times after, pressurize according to the final pressure pressure value that arranges again;
(e) by described pressure sensor 19 detection system pressure, when being pressurized to final pressure pressure, carry out the final pressure pressurize, by the described 7 internal time relay timing final pressure dwell times of CPU module;
(f) the final pressure dwell time arrives, and slide block begins pressure release;
(g) by described pressure sensor 19 detection system pressure, when pressure was let out the pressure release pressure of setting, slide block began at a slow speed die sinking backhaul;
(h) detect the position of slide blocks operation by described displacement transducer 16, during to the fast position of backhaul slow-speed of setting, slide block begins quick return;
(i) detect the position of slide blocks operation by described displacement transducer 16, during to the cap slider position that arranges, the slide block stop motion, a workpiece compacting is finished, if carry out next part compacting, begins to operate from step (b) and gets final product;
As shown in Figure 4, the exhaust process control method following steps of the SMC special hydraulic press electric control system with degassing function of the present utility model:
(a1) descend slowly slowly lower pressurization of speed by the precompressed exhaust of setting;
(b1) by described pressure sensor 19 detection system pressure, when being pressurized to the precompressed pressure at expulsion, carry out and the precompressed pressurize, by the described 7 internal time relay timing precompressed exhaust dwell times of CPU module;
(c1) the precompressed exhaust dwell time arrives, and slide block begins the precompressed exhaust pressure relief;
(d1) by described pressure sensor 19 detection system pressure, when pressure was let out the precompressed exhaust pressure relief pressure of setting, slide block began to return at a slow speed to lift;
(e1) detect the position that slide block moves by described displacement transducer 16, when lifting the position to returning of setting, the exhaust number of times adds 1.If the exhaust number of times arrives the number of times of setting, then carry out foregoing final pressure and subsequent action; If the exhaust number of times does not obtain the number of times set, then slide block repeating step (a1), step (b1) step (c1) step (d1) are until reach row's number of times of setting.What specify is that the relevant parameter of each exhaust process all can be set different parameter for.
Claims (4)
1. with the SMC special hydraulic press electric control system of degassing function, include regulator cubicle, SMC special hydraulic press fuselage, SMC special hydraulic press Hydraulic Station, it is characterized in that: also include removable push-button station, centralized guidance panel, displacement transducer, pressure sensor, the start-up circuit device of motor is installed in the described regulator cubicle, the control transformer device, stabilized voltage supply device, the amplifier of control electronic pump proportioning valve, the CPU module of PLC, described CPU module is connected with the analog input module, analog output module, the input signal of amplifier is connected with analog output module, the output signal of amplifier is connected with proportioning valve, and proportioning valve is installed on the electronic pump of SMC special hydraulic press Hydraulic Station; Described removable push-button station is arranged on the SMC special hydraulic press fuselage forward right side ground, removable push-button station includes two slide block both hands descending button, a slide block backhaul button, a scram button and the static button of full machine, and each button all is connected with the CPU module; Described centralized guidance panel is arranged on the right front column of SMC special hydraulic press, include exhaust selection of times button, exhaust selection button, electric motor starting button, scram button, man-machine interface, each button all is connected with the CPU module, and man-machine interface and CPU module are carried out exchanges data by the RS232 communications protocol; The start-up circuit device of described motor is by electric motor starting button control motor starting, stopping by the control motor of the scram button on removable push-button station or the centralized guidance panel; Described displacement transducer is installed between two columns in SMC special hydraulic press the right, described pressure sensor is installed on the pipeline of SMC special hydraulic press Hydraulic Station, displacement transducer, pressure sensor all are connected with the analog input module, between two columns in described SMC special hydraulic press the right the Upper-lower Limit travel switch is installed also, the Upper-lower Limit travel switch all is connected with the CPU module; Auxiliary reclay also is installed in the described regulator cubicle, and the auxiliary reclay coil is connected with CPU module line, and the auxiliary reclay normally opened contact is connected with the coil of magnetic valve, and described magnetic valve is the control main valve of SMC special hydraulic press Hydraulic Station.
2. the SMC special hydraulic press electric control system with degassing function according to claim 1 is characterized in that: described control transformer device provides AC220V control voltage, and stabilized voltage supply device provides DC24V voltage.
3. the SMC special hydraulic press electric control system with degassing function according to claim 1, it is characterized in that: the exhaust selection of times button on the described centralized guidance panel comprises adjustment, 0, three kinds of selection functions of single, and exhaust selects button to comprise not exhaust, two kinds of selection functions of exhaust.
4. the SMC special hydraulic press electric control system with degassing function according to claim 1 is characterized in that: the parameter that the parameter that described man-machine interface includes the key frame window that shows the various information of SMC special hydraulic press, arrange the various parameters of not exhaust of SMC special hydraulic press arranges picture window, arrange the various parameters of SMC special hydraulic press exhaust air technique arranges picture window, show that all arrange the parameter display picture window of the various parameters of SMC special hydraulic press, show and the fault alarm picture window of record trouble alarm content and time of fire alarming.
Priority Applications (1)
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CN 201220434081 CN202826499U (en) | 2012-08-29 | 2012-08-29 | Electrical control system with function of exhausting air of sheet molding compound (SMC) dedicated hydraulic machine |
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CN 201220434081 CN202826499U (en) | 2012-08-29 | 2012-08-29 | Electrical control system with function of exhausting air of sheet molding compound (SMC) dedicated hydraulic machine |
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CN 201220434081 Withdrawn - After Issue CN202826499U (en) | 2012-08-29 | 2012-08-29 | Electrical control system with function of exhausting air of sheet molding compound (SMC) dedicated hydraulic machine |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102848600A (en) * | 2012-08-29 | 2013-01-02 | 合肥海德数控液压设备有限公司 | SMC (sheet molding compound) special hydraulic machine electric control system with exhausting function |
CN111370269A (en) * | 2020-03-20 | 2020-07-03 | 安瑞普科技(深圳)有限公司 | Circuit breaker side plate processing technology, composite material and product |
-
2012
- 2012-08-29 CN CN 201220434081 patent/CN202826499U/en not_active Withdrawn - After Issue
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102848600A (en) * | 2012-08-29 | 2013-01-02 | 合肥海德数控液压设备有限公司 | SMC (sheet molding compound) special hydraulic machine electric control system with exhausting function |
CN102848600B (en) * | 2012-08-29 | 2014-12-03 | 合肥海德数控液压设备有限公司 | SMC (sheet molding compound) special hydraulic machine electric control system with exhausting function |
CN111370269A (en) * | 2020-03-20 | 2020-07-03 | 安瑞普科技(深圳)有限公司 | Circuit breaker side plate processing technology, composite material and product |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20130327 Effective date of abandoning: 20141203 |
|
RGAV | Abandon patent right to avoid regrant |