CN201455999U - Control circuit of automatic spraying mechanical hand - Google Patents
Control circuit of automatic spraying mechanical hand Download PDFInfo
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- CN201455999U CN201455999U CN2009200922672U CN200920092267U CN201455999U CN 201455999 U CN201455999 U CN 201455999U CN 2009200922672 U CN2009200922672 U CN 2009200922672U CN 200920092267 U CN200920092267 U CN 200920092267U CN 201455999 U CN201455999 U CN 201455999U
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Abstract
The utility model relates to a control circuit, in particular to a control circuit of an automatic spraying mechanical hand, which comprises a PLC programmable logic controller, a variable frequency controller, a rotary encoder, a digital drive plate, a power protection circuit, an input key/switch and an output indicator. The output end of the PLC programmable logic controller is connected with the input end of the variable frequency controller; the output end of the variable frequency controller is connected with a motor; the output end of the rotary encoder is connected with the input end of the PLC programmable logic controller; the input key/switch is connected with the input end of the PLC programmable logic controller; the output indicator is connected with the output end of the PLC programmable logic controller; the digital drive plate is connected with the input end and the output end of the PLC programmable logic controller; the input end of the power protection circuit is connected with AC commercial power, and the output end of the same is connected with the input end of the PLC programmable logic controller. The control circuit of the automatic spraying mechanical hand has high reliability and low manufacturing cost.
Description
(1), technical field: the utility model relates to a kind of control circuit, particularly relates to a kind of automatic spraying machine tool hand control circuit.
(2), background technology: at present, automatic spraying machine tool hand is the high efficiency spraying equipment that meets the tendency and produce in the modernized industry control system.Be accompanied by the progress of modern science and technology and making rapid progress of microcomputer and electronic technology, spraying equipment also developed into present soft profiling paint finishing by the simplest former flush coater, and being widely used in industries such as automobile, auto-parts, railway, household electrical appliances, building materials, machinery, automatic spraying system plays a part very important in industry control industry from now on.
Applicator system generally divides three classes in the market:
A. general flush coater
This flush coater sprays simple one dimension working face, and is reciprocating, can not spray curved surface.
B. mechanical hard profiling flush coater
This flush coater guides the spray gun motion by the profiling guide rail that is installed in flush coater inside, designs according to outer surface S shape of being sprayed object or C shape.
C. soft profiling paint finishing
This paint finishing is wanted three axle interlocks when spraying, at different spraying objects, remove to control the track of spray gun motion with various computing machine software program.
The motion positions control method of conventional spray paint equipment has stepper drive control, AC servo to drive control etc.Stepper drive power is little, speed is slow, is not suitable for continuous, heavy load operation; AC servo driven nature height, and control system complexity, cost are also high.Therefore, the control system of existing category-A flush coater is comparatively backward, can not satisfy the requirement of modern industry automation, is badly in need of the automatic spraying machine stable, that coating quality good, production efficiency is high on the market.
(3), utility model content:
The technical problems to be solved in the utility model is: at the prior art deficiency, provide a kind of reliability height, automatic spraying machine tool hand control circuit that cost of manufacture is low.
The technical solution of the utility model:
A kind of automatic spraying machine tool hand control circuit; contain the PLC Programmable Logic Controller; frequency-variable controller; rotary encoder; digital dial; power protecting circuit; the input button switch and output indicator; the output of PLC Programmable Logic Controller is connected with the input of frequency-variable controller; the output of frequency-variable controller connects motor; the output of rotary encoder is connected with the input of PLC Programmable Logic Controller; the input button switch be connected with the input of PLC Programmable Logic Controller; output indicator is connected with the output of PLC Programmable Logic Controller; digital dial is connected with output with the input of PLC Programmable Logic Controller; the input of power protecting circuit connects electric main, and the output of power protecting circuit connects the power input of PLC Programmable Logic Controller.
The periphery of frequency-variable controller also is connected with the brake unit module, braking resistor, direct current reactor, three-phase alternating current, the brake unit module is a subsidiary functional module of frequency-variable controller, be connected with direct current reactor between the P1 pin of frequency-variable controller and the P+ pin, be attempted by between the P+ pin and N pin of frequency-variable controller after braking resistor and the series connection of brake unit module, three-phase alternating current is by AC reactor L2, AC reactor L3, the R pin of AC reactor L4 and frequency-variable controller, the S pin, the T pin connects, the U pin of frequency-variable controller, the V pin, the W pin is connected with motor, the Y0 pin of PLC Programmable Logic Controller, the Y2 pin, the Y3 pin, the Y5 pin respectively with the STF pin of frequency-variable controller, the STR pin, the RH pin, the RL pin connects.
Digital dial contains the dial unit of certain group of number, each group dial unit contains four dial switch, an end of four dial switch links together and is connected with the same output of PLC Programmable Logic Controller in each group dial unit, and each other end of organizing the dial switch that sequence number is identical in the dial unit is connected with the same input of PLC Programmable Logic Controller by diode.
Power protecting circuit contains the double-pole hand switch; hand switch powers on; hand switch shuts off power in emergency; A.C. contactor KM; the zero line of electric main is connected with the zero line input of PLC Programmable Logic Controller by a path of double-pole hand switch; the zero line input of PLC Programmable Logic Controller is connected with the COM2 pin with the COM1 pin of PLC Programmable Logic Controller by the contact KM-K3 of A.C. contactor KM; the end of the end of the live wire of electric main another path by the double-pole hand switch and the coil KM-L of A.C. contactor KM and the contact KM-K1 of A.C. contactor KM is connected; the other end of the coil KM-L of A.C. contactor KM is successively by the hand switch that powers on; the hand switch that shuts off power in emergency is connected with the live wire input of PLC Programmable Logic Controller; power on hand switch two ends and be connected to the contact KM-K2 of A.C. contactor KM; the other end of the contact KM-K1 of A.C. contactor KM is connected with output terminals A; output terminals A is connected with an end of lacquer valve, and the other end of lacquer valve is connected with the Y1 pin of PLC Programmable Logic Controller.
The hand switch that powers on is a normal open switch, the hand switch that shuts off power in emergency is a normally closed switch, the contact KM-K1 of A.C. contactor KM, contact KM-K2, contact KM-K3 are normal open switch, output indicator contains automatic run indicator, stops indicator lamp, alarm lamp, alarm bell, automatically run indicator, the end that stops indicator lamp, alarm lamp, alarm bell are connected with output terminals A, and automatic run indicator, the other end that stops indicator lamp, alarm lamp, alarm bell are connected with Y6 pin, Y7 pin, Y10 pin, the Y11 pin of PLC Programmable Logic Controller respectively.
In order to guarantee that in case of emergency (when comprising that the PLC Programmable Logic Controller breaks down) can cut off the load power source of PLC Programmable Logic Controller reliably, be provided with A.C. contactor KM, when bringing into operation, presses the PLC Programmable Logic Controller hand switch that powers on, make the coil KM-L of A.C. contactor KM get electric and self-locking, three contact KM-K1, the KM-K2 of A.C. contactor KM, KM-K3 connect, provide AC power to external loading, when being in an emergency with the hand switch disconnecting consumers power supply that shuts off power in emergency.
The input button switch contain the upper limit button, the lower limit button, the spacing button of initial point, manual up switch, manual downing switch, drive the spray switch, the stop-spraying switch, reset switch, manual switch, shutdown switch, the upper limit button, the lower limit button, the spacing button of initial point, manual up switch, manual downing switch, drive the spray switch, the stop-spraying switch, reset switch, manual switch, one end of shutdown switch respectively with the X2 pin of PLC Programmable Logic Controller, the X3 pin, the X4 pin, the X10 pin, the X11 pin, the X12 pin, the X13 pin, the X20 pin, the X21 pin, the X22 pin connects, the upper limit button, the lower limit button, the spacing button of initial point, manual up switch, manual downing switch, drive the spray switch, the stop-spraying switch, reset switch, manual switch, the other end of shutdown switch is connected with the COM pin of PLC Programmable Logic Controller.
The model that the PLC Programmable Logic Controller is is the FX2n-32MR of Mitsubishi, and the model of frequency-variable controller is the FR-Z240-4 of Mitsubishi, and the model of rotary encoder is Omron E6B2-CWZ6C.
The mechanism of reciprocating type automatic spraying machine tool hand is grouped into by decelerator, sprocket wheel, chain, gun rack frequency control and electric control part.The theory structure of whole system is the frequency converter driven induction motor, and motor again through chain gear transmission, drives the motion of chain and spray gun through the transmission of worm and gear gearbox.Be installed in the exert oneself rotary encoder of end of gearbox simultaneously and driven, produce pulse signal.The pulse signal of rotary encoder obtains count value through the high-speed counter input of PLC Programmable Logic Controller, thereby learns the height and the velocity information of spray gun, realizes that by the PLC Programmable Logic Controller spray coating mechanical hand pumps.
The beneficial effects of the utility model:
1, the utility model adopts the PLC Programmable Logic Controller as the control core, adopt the transducer control circuit drive motors, information such as the height of employing rotary encoder sampling spray gun and speed, realized the automatic job of spraying, also can regulate simultaneously spraying height, thickness, speed, easy to use, reliability is high, cost of manufacture is low.
2, the utility model at the jacking system of electrostatic spraying machinery hand less demanding aspect location, the movement velocity precision, and requiring continuously adjustable characteristics aspect system stroke, the speed, adopt the transducer control circuit drive motors, like this, not only can adjust rise time and fall time, but also can reach the purpose that speed is regulated by setting different frequency, automatic spraying machine tool hand is stable, coating quality good, production efficiency is high, handling safety thereby make.
(4), description of drawings:
Fig. 1 is the principle schematic of automatic spraying machine tool hand control circuit;
Fig. 2 is the principle schematic of digital dial;
Fig. 3 is the principle schematic of power protecting circuit;
Fig. 4 is the software flow pattern of automatic spraying machine tool hand control circuit.
(5), the specific embodiment:
Referring to Fig. 1～Fig. 4; among the figure; automatic spraying machine tool hand control circuit contains PLC Programmable Logic Controller U1; frequency-variable controller U3; rotary encoder U2; digital dial 1; power protecting circuit 2; the input button switch and output indicator; the output of PLC Programmable Logic Controller U1 is connected with the input of frequency-variable controller U3; the output of frequency-variable controller U3 connects motor; the output of rotary encoder U2 is connected with the input of PLC Programmable Logic Controller U1; the input button switch be connected with the input of PLC Programmable Logic Controller U1; output indicator is connected with the output of PLC Programmable Logic Controller U1; digital dial 1 is connected with output with the input of PLC Programmable Logic Controller U1; the input of power protecting circuit 2 connects electric main, and the output of power protecting circuit 2 connects the power input of PLC Programmable Logic Controller U1.
The periphery of frequency-variable controller U3 also is connected with the brake unit module, braking resistor R1, direct current reactor L1, three-phase alternating current, the brake unit module is a subsidiary functional module of frequency-variable controller, be connected with direct current reactor L1 between the P1 pin of frequency-variable controller U3 and the P+ pin, be attempted by between the P+ pin and N pin of frequency-variable controller U3 after braking resistor R1 and the series connection of brake unit module, three-phase alternating current is by AC reactor L2, AC reactor L3, the R pin of AC reactor L4 and frequency-variable controller U3, the S pin, the T pin connects, the U pin of frequency-variable controller U3, the V pin, the W pin is connected with motor, the Y0 pin of PLC Programmable Logic Controller U1, the Y2 pin, the Y3 pin, the Y5 pin respectively with the STF pin of frequency-variable controller U3, the STR pin, the RH pin, the RL pin connects.
Power protecting circuit contains double-pole hand switch SK1; hand switch FD powers on; hand switch JT shuts off power in emergency; A.C. contactor KM; the zero line of electric main is connected with the zero line input of PLC Programmable Logic Controller U1 by a path of double-pole hand switch; the zero line input of PLC Programmable Logic Controller U1 is connected with the COM2 pin with the COM1 pin of PLC Programmable Logic Controller U1 by the contact KM-K3 of A.C. contactor KM; the end of the end of the live wire of electric main another path by the double-pole hand switch and the coil KM-L of A.C. contactor KM and the contact KM-K1 of A.C. contactor KM is connected; the other end of the coil KM-L of A.C. contactor KM is successively by the hand switch FD that powers on; the hand switch JT that shuts off power in emergency is connected with the live wire input of PLC Programmable Logic Controller U1; power on hand switch FD two ends and be connected to the contact KM-K2 of A.C. contactor KM; the other end of the contact KM-K1 of A.C. contactor KM is connected with output terminals A; output terminals A is connected with the end of lacquer valve D1, and the other end of lacquer valve D1 is connected with the Y1 pin of PLC Programmable Logic Controller U1.
The hand switch FD that powers on is a normal open switch, the hand switch JT that shuts off power in emergency is a normally closed switch, the contact KM-K1 of A.C. contactor KM, contact KM-K2, contact KM-K3 is normal open switch, output indicator contains automatic run indicator L1, stop indicator lamp L2, alarm lamp L3, alarm bell B1, automatic run indicator L1, stop indicator lamp L2, alarm lamp L3, the end of alarm bell B1 is connected with output terminals A, automatically run indicator L1, stop indicator lamp L2, alarm lamp L3, the other end of alarm bell B1 respectively with the Y6 pin of PLC Programmable Logic Controller U1, the Y7 pin, the Y10 pin, the Y11 pin connects.
For the load power source that guarantees that in case of emergency (when comprising that PLC Programmable Logic Controller U1 breaks down) can cut off PLC Programmable Logic Controller U1 reliably, be provided with A.C. contactor KM, when bringing into operation, presses PLC Programmable Logic Controller U1 the hand switch FD that powers on, make the coil KM-L of A.C. contactor KM get electric and self-locking, three contact KM-K1, the KM-K2 of A.C. contactor KM, KM-K3 connect, provide AC power to external loading, when being in an emergency with the hand switch JT disconnecting consumers power supply that shuts off power in emergency.
The input button switch contain upper limit button K1, lower limit button K2, the spacing button K3 of initial point, manual up K switch 4, manual downing switch K5, open spray K switch 6, stop-spraying K switch 7, reset switch K8, manual K switch 9, shutdown switch K10, upper limit button K1, lower limit button K2, the spacing button K3 of initial point, manual up K switch 4, manual downing switch K5, open spray K switch 6, stop-spraying K switch 7, reset switch K8, manual K switch 9, the end of shutdown switch K10 respectively with the X2 pin of PLC Programmable Logic Controller U1, the X3 pin, the X4 pin, the X10 pin, the X11 pin, the X12 pin, the X13 pin, the X20 pin, the X21 pin, the X22 pin connects, upper limit button K1, lower limit button K2, the spacing button K3 of initial point, manual up K switch 4, manual downing switch K5, open spray K switch 6, stop-spraying K switch 7, reset switch K8, manual K switch 9, the other end of shutdown switch K10 is connected with the COM pin of PLC Programmable Logic Controller U1.
The model that PLC Programmable Logic Controller U1 is is the FX2n-32MR of Mitsubishi, and the model of frequency-variable controller U3 is the FR-Z240-4 of Mitsubishi, and the model of rotary encoder U2 is Omron E6B2-CWZ6C.
The mechanism of reciprocating type automatic spraying machine tool hand is grouped into by decelerator, sprocket wheel, chain, gun rack frequency control and electric control part.The theory structure of whole system is the frequency converter driven induction motor, and motor again through chain gear transmission, drives the motion of chain and spray gun through the transmission of worm and gear gearbox.Be installed in the exert oneself rotary encoder U2 of end of gearbox simultaneously and driven, produce pulse signal.The pulse signal of rotary encoder U2 obtains count value through the high-speed counter input of PLC Programmable Logic Controller U1, thereby learns the height and the velocity information of spray gun, realizes that by PLC Programmable Logic Controller U1 spray coating mechanical hand pumps.
Software running process of the present utility model as shown in Figure 4, wherein, initialization is used to check whether spray coating mechanical hand and each travel switch state are in initial position, if not at initial position, spray coating mechanical hand at first carries out " playback " action, makes manipulator get back to initial position.The conversion of program all utilizes the state A.C. contactor to realize.Travel settings is to determine according to the height of workpiece, calculates stroke count value up and down by counter, and reflects thus.The setting of speed is finished by frequency-variable controller U3.
Claims (7)
1. automatic spraying machine tool hand control circuit; it is characterized in that: contain the PLC Programmable Logic Controller; frequency-variable controller; rotary encoder; digital dial; power protecting circuit; the input button switch and output indicator; the output of PLC Programmable Logic Controller is connected with the input of frequency-variable controller; the output of frequency-variable controller connects motor; the output of rotary encoder is connected with the input of PLC Programmable Logic Controller; the input button switch be connected with the input of PLC Programmable Logic Controller; output indicator is connected with the output of PLC Programmable Logic Controller; digital dial is connected with output with the input of PLC Programmable Logic Controller; the input of power protecting circuit connects electric main, and the output of power protecting circuit connects the power input of PLC Programmable Logic Controller.
2. automatic spraying machine tool hand control circuit according to claim 1, it is characterized in that: the periphery of described frequency-variable controller also is connected with the brake unit module, braking resistor, direct current reactor, three-phase alternating current, be connected with direct current reactor between the P1 pin of frequency-variable controller and the P+ pin, be attempted by between the P+ pin and N pin of frequency-variable controller after braking resistor and the series connection of brake unit module, three-phase alternating current is by AC reactor L2, AC reactor L3, the R pin of AC reactor L4 and frequency-variable controller, the S pin, the T pin connects, the U pin of frequency-variable controller, the V pin, the W pin is connected with motor, the Y0 pin of PLC Programmable Logic Controller, the Y2 pin, the Y3 pin, the Y5 pin respectively with the STF pin of frequency-variable controller, the STR pin, the RH pin, the RL pin connects.
3. automatic spraying machine tool hand control circuit according to claim 1, it is characterized in that: described digital dial contains the dial unit of certain group of number, each group dial unit contains four dial switch, an end of four dial switch links together and is connected with the same output of PLC Programmable Logic Controller in each group dial unit, and each other end of organizing the dial switch that sequence number is identical in the dial unit is connected with the same input of PLC Programmable Logic Controller by diode.
4. automatic spraying machine tool hand control circuit according to claim 1; it is characterized in that: described power protecting circuit contains the double-pole hand switch; hand switch powers on; hand switch shuts off power in emergency; A.C. contactor KM; the zero line of electric main is connected with the zero line input of PLC Programmable Logic Controller by a path of double-pole hand switch; the zero line input of PLC Programmable Logic Controller is connected with the COM2 pin with the COM1 pin of PLC Programmable Logic Controller by the contact KM-K3 of A.C. contactor KM; the end of the end of the live wire of electric main another path by the double-pole hand switch and the coil KM-L of A.C. contactor KM and the contact KM-K1 of A.C. contactor KM is connected; the other end of the coil KM-L of A.C. contactor KM is successively by the hand switch that powers on; the hand switch that shuts off power in emergency is connected with the live wire input of PLC Programmable Logic Controller; power on hand switch two ends and be connected to the contact KM-K2 of A.C. contactor KM; the other end of the contact KM-K1 of A.C. contactor KM is connected with output terminals A; output terminals A is connected with an end of lacquer valve, and the other end of lacquer valve is connected with the Y1 pin of PLC Programmable Logic Controller.
5. automatic spraying machine tool hand control circuit according to claim 4, it is characterized in that: the described hand switch that powers on is a normal open switch, the hand switch that shuts off power in emergency is a normally closed switch, the contact KM-K1 of described A.C. contactor KM, contact KM-K2, contact KM-K3 is normal open switch, described output indicator contains automatic run indicator, stop indicator lamp, alarm lamp, alarm bell, automatic run indicator, stop indicator lamp, alarm lamp, one end of alarm bell is connected with output terminals A, automatically run indicator, stop indicator lamp, alarm lamp, the other end of alarm bell respectively with the Y6 pin of PLC Programmable Logic Controller, the Y7 pin, the Y10 pin, the Y11 pin connects.
6. automatic spraying machine tool hand control circuit according to claim 1, it is characterized in that: described input button switch contain the upper limit button, the lower limit button, the spacing button of initial point, manual up switch, manual downing switch, drive the spray switch, the stop-spraying switch, reset switch, manual switch, shutdown switch, the upper limit button, the lower limit button, the spacing button of initial point, manual up switch, manual downing switch, drive the spray switch, the stop-spraying switch, reset switch, manual switch, one end of shutdown switch respectively with the X2 pin of PLC Programmable Logic Controller, the X3 pin, the X4 pin, the X10 pin, the X11 pin, the X12 pin, the X13 pin, the X20 pin, the X21 pin, the X22 pin connects, the upper limit button, the lower limit button, the spacing button of initial point, manual up switch, manual downing switch, drive the spray switch, the stop-spraying switch, reset switch, manual switch, the other end of shutdown switch is connected with the COM pin of PLC Programmable Logic Controller.
7. according to each described automatic spraying machine tool hand control circuit in the claim 1～6, it is characterized in that: the model of described PLC Programmable Logic Controller is the FX2n-32MR of Mitsubishi, the model of described frequency-variable controller is the FR-Z240-4 of Mitsubishi, and the model of described rotary encoder is Omron E6B2-CWZ6C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200922672U CN201455999U (en) | 2009-08-07 | 2009-08-07 | Control circuit of automatic spraying mechanical hand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200922672U CN201455999U (en) | 2009-08-07 | 2009-08-07 | Control circuit of automatic spraying mechanical hand |
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| CN201455999U true CN201455999U (en) | 2010-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009200922672U Expired - Fee Related CN201455999U (en) | 2009-08-07 | 2009-08-07 | Control circuit of automatic spraying mechanical hand |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729162A (en) * | 2012-04-19 | 2012-10-17 | 浙江工业大学 | Device for manufacturing full-automatic soft fixed abrasive particle air pressure grinding wheel |
| CN103824690A (en) * | 2013-12-09 | 2014-05-28 | 国家电网公司 | Spraying protection method for 66-kilovolt dry-type electric reactor |
| CN103934226A (en) * | 2014-04-22 | 2014-07-23 | 广西壮族自治区机械工业研究院 | High-pressure water gun upper and lower stroke control device and method for full-automatic cleaning equipment of tube type heater |
| CN104298164A (en) * | 2014-09-11 | 2015-01-21 | 芜湖鼎瀚再制造技术有限公司 | Plasma spraying electronic control system |
| CN105182831A (en) * | 2015-10-09 | 2015-12-23 | 中国石油天然气集团公司 | Spraying control system |
-
2009
- 2009-08-07 CN CN2009200922672U patent/CN201455999U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729162A (en) * | 2012-04-19 | 2012-10-17 | 浙江工业大学 | Device for manufacturing full-automatic soft fixed abrasive particle air pressure grinding wheel |
| CN103824690A (en) * | 2013-12-09 | 2014-05-28 | 国家电网公司 | Spraying protection method for 66-kilovolt dry-type electric reactor |
| CN103934226A (en) * | 2014-04-22 | 2014-07-23 | 广西壮族自治区机械工业研究院 | High-pressure water gun upper and lower stroke control device and method for full-automatic cleaning equipment of tube type heater |
| CN103934226B (en) * | 2014-04-22 | 2015-12-02 | 广西壮族自治区机械工业研究院 | The giant up-downgoing process control device and method of tube still heater full automatic cleaning equipment |
| CN104298164A (en) * | 2014-09-11 | 2015-01-21 | 芜湖鼎瀚再制造技术有限公司 | Plasma spraying electronic control system |
| CN105182831A (en) * | 2015-10-09 | 2015-12-23 | 中国石油天然气集团公司 | Spraying control system |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20100512 Termination date: 20100807 |