CN202984624U - Control device of roller type centrifugal casting machine - Google Patents
Control device of roller type centrifugal casting machine Download PDFInfo
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- CN202984624U CN202984624U CN 201220727559 CN201220727559U CN202984624U CN 202984624 U CN202984624 U CN 202984624U CN 201220727559 CN201220727559 CN 201220727559 CN 201220727559 U CN201220727559 U CN 201220727559U CN 202984624 U CN202984624 U CN 202984624U
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Abstract
A control device of a roller type centrifugal casting machine comprises a PLC (programmable logic controller) module, a power source, a centrifugal machine, a frequency converter, a water spray device, a spraying device, a travel switch, a time relay, a plurality of sensors, a plurality of command input switches and a plurality of relay switches. The PLC module is provided with an analog input module, a digital input module and a digital output module, the power resource is used for powering the PLC module, the centrifugal machine, the frequency converter, the water spray device, the spraying device and the sensors, the digital input module of the PLC module is used for acquiring on-off state signals of the command input switches, the travel switch and the time relay, the digital output module of the PLC module is used for outputting the on-off state signals acquired by the digital input module to the frequency converter and the relay switches, and the analog input module is used for transmitting cooling water pressure and flow analog signals, mold temperature signals and molten iron temperature signals during pouring, which are acquired by the sensors, to a CPU (central processing unit). The control device of the roller type centrifugal casting machine is high in automation and easy to operate.
Description
Technical field
The utility model relates to the Centrifuge Techniques field, relates in particular to a kind of control device of roller-type centrifugal casting machine.
Background technology
In the metal casting industry, for realizing the burr layer of foundry goods outer wall, to cover a coating in the die cavity of centrifugal casting mould, make the mould casting outer wall have one deck burr, and the pipe fitting of cast molding need to utilize a cover cooling system to carry out cooling, the traditional type of cooling and be in centrifuge: mould is sprayed water cooling.If the flow-control of cooling water is improper, may occur causing the too low phenomenon that affects the unstable product quality of subsequent production of mold temperature because of human factor.A kind of spray equipment course of work of rolling type centrifugal casting machine is: the forward dolly, base is moved towards centrifugal casting mould, and drive coating bar extend in the die cavity of centrifugal casting mould gradually, rotate simultaneously centrifugal casting mould, the shower nozzle that is connected to the coating club head begins spraying, thereby forms coating in the die cavity of centrifugal casting mould.Spray complete after, the counter-rotating dolly back moves base, the coating bar drives shower nozzle and withdraws from from the die cavity of centrifugal casting mould.If this course of work adopts manual operation, troublesome poeration, production efficiency is low, unstable product quality, labour intensity is large, work under bad environment, but yet there are no in the market a kind of control device of controlling the above-mentioned course of work.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, provide that a kind of automaticity is high, simple to operation, the control device of the roller-type centrifugal casting machine of high efficiency, and this device can be controlled water spray and spraying, and the structure height of controlling is simplified, the constant product quality that adopts this device to produce.
the utility model is achieved in that a kind of control device of roller-type centrifugal casting machine, comprise and have analog input, the digital quantity input, the PLC module of digital output, power supply, centrifuge, frequency converter, water injector, spray equipment, travel switch, the time relay, some sensors and a plurality of instruction input switch and a plurality of relay switch, described power supply is used for to the PLC module, centrifuge, frequency converter, water injector, spray equipment, the sensor power supply, the digital quantity input of described PLC module is used for the acquisition instructions input switch, travel switch, the switch state signal of the time relay, the digital output of described PLC module is used for the switch state signal that the digital quantity input gathers is exported to frequency converter and relay switch, the state of the running status of control centrifuge main frame, spray equipment dolly and water injector water spray magnetic valve, spray equipment spraying magnetic valve, the time relay, when the analog input of described PLC module is used for the analog signal, mold temperature signal of the pressure of cooling water that sensor is collected and flow and cast, the molten iron temperature signal passes to the CPU of PLC module, whether the analog signal that described CPU is used for the judgement collection is abnormal, and by the digital output of PLC module, the switch controlling signal of CPU exported to frequency converter and relay switch.
It is the Programmable Logic Controller of CP1E-N20DR-A that described PLC module adopts model.
The digital output of described PLC module also is used for the Product Process parameter information that output CPU sets, described Product Process parameter information comprises the temperature of pouring molten iron, the temperature that mould is controlled, and cooling water flow is how much, the cooling time of wind, coating content requires and the requirement of blank rotary speed.
One end of described instruction input switch, travel switch SQ1, time relay KT1 normally opened contact connects the digital quantity input of PLC module, the other end connects negative voltage V-, coil one end of described relay switch connects the digital output of PLC module, the other end connects negative voltage V-, and the 3rd, the 4th, the 5th common port COM of described PLC module connects positive voltage V+ by fuse.
described instruction input switch comprises the first button SB1, the second button SB2, the 3rd button SB3, the 4th button SB4, the 5th button SB5, described relay switch comprises the first repeater KA1, the second repeater KA2, the 3rd repeater KA3, the 4th repeater KA4, the normally opened contact of described the first repeater KA1 is connected with the normally-closed contact of the second repeater KA2, the coil of the first contactor KM1 is connected power supply by the first repeater KA1 with the second repeater KA2, the normally opened contact of described the second repeater KA2 is connected with the normally-closed contact of the first repeater KA1, the coil of the second contactor KM2 is connected power supply by the first repeater KA1 with the second repeater KA2, be connected with the water injector coil of magnetic valve YB1 of time relay KT1 connects power supply by the 3rd repeater KA3, the coil of spray equipment spraying magnetic valve YB2 connects power supply by the 4th repeater KA4.
Described control device is connected with fan control circuitry, fan control circuitry comprises fan, the 7th button SB7, the 8th button SB8, the 3rd contactor KM3, the 7th button SB7 connects with the 8th button SB8, the normally opened contact of described the 3rd contactor KM3 is connected in parallel on the 7th button SB7 two ends, the coil of described the 3rd contactor KM3 connects power supply by the normally opened contact of the 7th button SB7, the 8th button SB8, the 3rd contactor KM3, described the 7th button SB7 is for often driving button, and described the 8th button SB8 is normally closed button.
The first contactor KM1, the second contactor KM2, the 3rd contactor KM3 are A.C. contactor, described the first contactor KM1 is used for controlling the forward of spray equipment dolly, the second contactor KM2 be used for to control the counter-rotating of spray equipment dolly, the 3rd contactor KM3 be used for controlling fan startup, stop.
First, second common port COM of described PLC module all is connected with frequency converter common port COM, the first output 00 of described PLC module is connected with the first input end FOR of frequency converter, and the second output 01 of described PLC module is connected with the second input V3 of frequency converter.
Described PLC module adopts Winding Single Phase Capacitance, is provided with PLC power switch QS1 between PLC module and single phase poaer supply, is connected with fuse between described PLC module and power supply.
the beneficial effects of the utility model are: due to the control device employing PLC module of this roller-type centrifugal casting machine, automaticity is high, and only need press corresponding gauge tap, can control the water spray and spraying valve of water injector and spray equipment, and can also pass through Frequency Converter Control centrifuge main frame, control the spray equipment dolly by relay switch, adopt this circuit operation simple and convenient, high efficiency, and the structure height of this device circuit is simplified, the constant product quality that adopts this device to produce, also can gather the analog signal of pressure and the flow of cooling water by the PLC module, the mold temperature signal, and when cast the molten iron temperature signal, and judge whether extremely according to the analog signal that gathers, then by digital output, the switch controlling signal of CPU is exported to gauge tap, thereby realize the malfunction monitoring protection.
Description of drawings
Fig. 1 is circuit diagram of the present utility model.
The specific embodiment
referring to Fig. 1, a kind of control device of roller-type centrifugal casting machine, comprise and have analog input, the digital quantity input, the PLC module of digital output, power supply, centrifuge, frequency converter, water injector, spray equipment, travel switch, the time relay, some sensors and a plurality of instruction input switch and a plurality of relay switch, described power supply is used for to the PLC module, centrifuge, frequency converter, water injector, spray equipment, the sensor power supply, the analog input of described PLC module connects some sensors, described sensor comprises temperature sensor, pressure sensor etc.Molten iron temperature signal when described sensor is used for the analog signal, mold temperature signal of the pressure of cooling water and flow and cast.Described PLC module connects power supply by PLC power switch QS1, in the present embodiment, described PLC module adopts Winding Single Phase Capacitance, is connected with respectively fuse FU1, FU2 between single phase poaer supply and PLC module, also is connected with scram button SB6 between the zero line of single phase poaer supply and PLC power switch QS1.Described PLC module comprises CPU, analog input module, digital quantity input module, digital output module, and in the present embodiment, it is the Programmable Logic Controller of CP1E-N20DR-A that described PLC module adopts model.Described PLC module connects frequency converter, and described frequency converter connects centrifuge.In the present embodiment, first, second common port COM of described PLC module all is connected with frequency converter common port COM, the first output 00 of described PLC module is connected with the first input end FOR of frequency converter, be used for controlling the one speed rotation of centrifuge main frame, the second output 01 of described PLC module is connected with the second input V3 of frequency converter, is used for controlling the rotation of centrifuge main frame two-speed.One end of described instruction input switch, travel switch SQ1, time relay KT1 normally opened contact connects the digital quantity input module of PLC module, the other end connects negative voltage V-, described relay switch coil one end connect the digital output module of PLC module, the other end connects negative voltage V-, and the 3rd, the 4th, the 5th common port COM of described PLC module connects positive voltage V+ by fuse FU3.described instruction input switch comprises the first button SB1, the second button SB2, the 3rd button SB3, the 4th button SB4, the 5th button SB5, wherein, described the first button SB1, the second button SB2, the 3rd button SB3, the 4th button SB4, the 5th button SB5 is normal open switch, and described relay switch comprises the first repeater KA1, the second repeater KA2, the 3rd repeater KA3, the 4th repeater KA4, the normally opened contact of described the first repeater KA1 is connected with the normally-closed contact of the second repeater KA2, and the coil of the first contactor KM1 is connected single phase ac voltage (L by the first repeater KA1 with the second repeater KA2, N), the normally opened contact of described the second repeater KA2 is connected with the normally-closed contact of the first repeater KA1, the coil of the second contactor KM2 is connected power supply by the first repeater KA1 with the second repeater KA2, and the coil of time relay KT1 and the magnetic valve YB1 that is connected connects single phase ac voltage (L by the 3rd repeater KA3, N), the coil of spray equipment spraying magnetic valve YB2 connects DC voltage (V+ by the 4th repeater KA4, V-).Described control device is connected with fan control circuitry, be used for to control fan work, give centrifuge and other device radiations, has extended the service life of centrifuge etc.Described fan control circuitry comprises fan, the 7th button SB7, the 8th button SB8, the 3rd contactor KM3, the 7th button SB7 connects with the 8th button SB8, the normally opened contact of described the 3rd contactor KM3 is connected in parallel on the 7th button SB7 two ends, the coil of described the 3rd contactor KM3 connects single phase ac voltage (L, N) by the normally opened contact of the 7th button SB7, the 8th button SB8, the 3rd contactor KM3, described the 7th button SB7 is for often driving button, and described the 8th button SB8 is normally closed button.Described the first contactor KM1, the second contactor KM2, the 3rd contactor KM3 are A.C. contactor, described the first contactor KM1 is used for controlling the forward of spray equipment dolly, the second contactor KM2 be used for to control the counter-rotating of spray equipment dolly, the 3rd contactor KM3 be used for controlling fan startup, stop.
Operation principle of the present utility model is: the digital quantity input of described PLC module is used for the switch state signal of acquisition instructions input switch, travel switch, the time relay; The digital output of described PLC module is used for the switch state signal that the digital quantity input gathers is exported to frequency converter and relay switch, the state of the running status of control centrifuge main frame, spray equipment dolly and water injector water spray magnetic valve, spray equipment spraying magnetic valve, the time relay; When the analog input of described PLC module is used for the analog signal, mold temperature signal of the pressure of cooling water that sensor is collected and flow and cast, the molten iron temperature signal passes to the CPU of PLC module, whether the analog signal that described CPU is used for the judgement collection is abnormal, when the analog signals that gathers is abnormal (such as: cooling water pressure is excessive or too small etc.), the digital output of described PLC module is exported to frequency converter and relay switch with the switch controlling signal of CPU.The digital output of described PLC module also is used for the Product Process parameter information that output CPU sets, described Product Process parameter information comprises the temperature of pouring molten iron, the temperature that mould is controlled, and cooling water flow is how much, the cooling time of wind, coating content requires and the requirement of blank rotary speed.
During use:
Closed PLC power switch QS1 starts the PLC module.
Press the first button SB1, open centrifuge.
Press the second button SB2, the normally opened contact of the 3rd repeater KA3 is closed, the coil electricity of water spray magnetic valve YB1 and time relay KT1, the valve open of water spray magnetic valve YB1, the shower nozzle that is connected with water spray magnetic valve YB1 delivery port begins water spray, time relay KT1 begins timing simultaneously, after timing finished, its normally opened contact was closed, and output switch control signal is to the PLC module, the normally opened contact of the 3rd repeater KA3 is disconnected, the valve closing of water spray magnetic valve YB1.
The utility model passes through to regulate the delay performance of time relay KT1, thereby adjusts its delay time length.
press the 3rd button SB3, the one speed rotation of centrifuge main frame, thereby drive centrifugal casting mould one speed rotation, at this moment, the normally opened contact of the first repeater KA1 is closed, normally-closed contact disconnects, the wire loop of the second contactor KM2 disconnects, the charged adhesive of the coil of the first contactor KM1, the main contacts of the first contactor KM1 is closed, spray equipment motor forward, base is moved towards centrifugal casting mould, and drive coating bar extend in the die cavity of centrifugal casting mould gradually, simultaneously, the normally opened contact of the 4th repeater KA4 is closed, spraying magnetic valve YB2 energising, the valve open of spraying magnetic valve YB2, the shower nozzle that is connected to the coating club head begins spraying, thereby form coating in the die cavity of centrifugal casting mould.
Spray complete after, due to travel switch SQ1 and components hit, the contact action of travel switch, thereby the normally opened contact of the 4th repeater KA4 is disconnected, the valve closing of spraying magnetic valve YB2, the normally opened contact of the second repeater KA2 closure, normally-closed contact disconnect simultaneously, the wire loop of the first contactor KM1 disconnects, the charged adhesive of the coil of the second contactor KM2, the main contacts of the second contactor KM2 is closed, the spray equipment motor reversal back moves base, and the coating bar drives shower nozzle and withdraws from from the die cavity of centrifugal casting mould.
Press the 5th button SB5, centrifuge main frame two-speed rotation, thus driving the rotation of centrifugal casting mould two-speed, centrifuge begins casting cycle, and molten iron is inhomogeneous to be penetrated in the coating of centrifugal casting mould inwall, makes the mould casting outer wall have one deck burr.
Press the 5th button SB6, centrifuge stops immediately.
Press the 4th button SB4, centrifuge, frequency converter, spray equipment all quit work.
Claims (9)
1. the control device of a roller-type centrifugal casting machine, it is characterized in that: comprise having analog input, the digital quantity input, the PLC module of digital output, power supply, centrifuge, frequency converter, water injector, spray equipment, travel switch, the time relay, some sensors and a plurality of instruction input switch and a plurality of relay switch, described power supply is used for to the PLC module, centrifuge, frequency converter, water injector, spray equipment, the sensor power supply, the digital quantity input of described PLC module is used for the acquisition instructions input switch, travel switch, the switch state signal of the time relay, the digital output of described PLC module is used for the switch state signal that the digital quantity input gathers is exported to frequency converter and relay switch, the state of the running status of control centrifuge main frame, spray equipment dolly and water injector water spray magnetic valve, spray equipment spraying magnetic valve, the time relay, when the analog input of described PLC module is used for the analog signal, mold temperature signal of the pressure of cooling water that sensor is collected and flow and cast, the molten iron temperature signal passes to the CPU of PLC module, whether the analog signal that described CPU is used for the judgement collection is abnormal, and by the digital output of PLC module, the switch controlling signal of CPU exported to frequency converter and relay switch.
2. the control device of roller-type centrifugal casting machine according to claim 1 is characterized in that: it is the Programmable Logic Controller of CP1E-N20DR-A that described PLC module adopts model.
3. the control device of roller-type centrifugal casting machine according to claim 1, it is characterized in that: the digital output of described PLC module also is used for the Product Process parameter information that output CPU sets, described Product Process parameter information comprises the temperature of pouring molten iron, the temperature that mould is controlled, cooling water flow how much, the cooling time of wind, coating content requires and the requirement of blank rotary speed.
4. the control device of roller-type centrifugal casting machine according to claim 1, it is characterized in that: an end of described instruction input switch, travel switch SQ1, time relay KT1 normally opened contact connects the digital quantity input of PLC module, the other end connects negative voltage V-, coil one end of described relay switch connects the digital output of PLC module, the other end connects negative voltage V-, and the 3rd, the 4th, the 5th common port COM of described PLC module connects positive voltage V+ by fuse.
5. the control device of roller-type centrifugal casting machine according to claim 4, it is characterized in that: described instruction input switch comprises the first button SB1, the second button SB2, the 3rd button SB3, the 4th button SB4, the 5th button SB5, described relay switch comprises the first repeater KA1, the second repeater KA2, the 3rd repeater KA3, the 4th repeater KA4, the normally opened contact of described the first repeater KA1 is connected with the normally-closed contact of the second repeater KA2, the coil of the first contactor KM1 is connected power supply by the first repeater KA1 with the second repeater KA2, the normally opened contact of described the second repeater KA2 is connected with the normally-closed contact of the first repeater KA1, the coil of the second contactor KM2 is connected power supply by the first repeater KA1 with the second repeater KA2, be connected with the water injector coil of magnetic valve YB1 of time relay KT1 connects power supply by the 3rd repeater KA3, the coil of spray equipment spraying magnetic valve YB2 connects power supply by the 4th repeater KA4.
6. the control device of roller-type centrifugal casting machine according to claim 1, it is characterized in that: described control device is connected with fan control circuitry, fan control circuitry comprises fan, the 7th button SB7, the 8th button SB8, the 3rd contactor KM3, the 7th button SB7 connects with the 8th button SB8, the normally opened contact of described the 3rd contactor KM3 is connected in parallel on the 7th button SB7 two ends, the coil of described the 3rd contactor KM3 is by the 7th button SB7, the 8th button SB8, the normally opened contact of the 3rd contactor KM3 connects power supply, described the 7th button SB7 is for often driving button, described the 8th button SB8 is normally closed button.
7. the control device of roller-type centrifugal casting machine according to claim 1, it is characterized in that: the first contactor KM1, the second contactor KM2, the 3rd contactor KM3 are A.C. contactor, described the first contactor KM1 is used for controlling the forward of spray equipment dolly, the second contactor KM2 be used for to control the counter-rotating of spray equipment dolly, the 3rd contactor KM3 be used for controlling fan startup, stop.
8. the control device of roller-type centrifugal casting machine according to claim 1, it is characterized in that: first, second common port COM of described PLC module all is connected with frequency converter common port COM, the first output 00 of described PLC module is connected with the first input end FOR of frequency converter, and the second output 01 of described PLC module is connected with the second input V3 of frequency converter.
9. the control device of roller-type centrifugal casting machine according to claim 1, it is characterized in that: described PLC module adopts Winding Single Phase Capacitance, be provided with PLC power switch QS1 between PLC module and single phase poaer supply, be connected with fuse between described PLC module and power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220727559 CN202984624U (en) | 2012-12-26 | 2012-12-26 | Control device of roller type centrifugal casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220727559 CN202984624U (en) | 2012-12-26 | 2012-12-26 | Control device of roller type centrifugal casting machine |
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| CN202984624U true CN202984624U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220727559 Expired - Fee Related CN202984624U (en) | 2012-12-26 | 2012-12-26 | Control device of roller type centrifugal casting machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990032A (en) * | 2012-12-26 | 2013-03-27 | 武胜县锦雄机械有限责任公司 | Control circuit of support roller type centrifugal casting machine |
| CN106862518A (en) * | 2017-04-28 | 2017-06-20 | 新兴铸管股份有限公司 | A kind of hot-die centrifuge pours into a mould vehicle control |
| CN107900303A (en) * | 2017-11-14 | 2018-04-13 | 江苏环宇冶金科技有限公司 | A kind of centrifugal casting machine control system |
| CN109500383A (en) * | 2019-01-28 | 2019-03-22 | 重庆重科智能装备研究院有限公司 | A kind of automatic Foundry Production line control system and control method |
-
2012
- 2012-12-26 CN CN 201220727559 patent/CN202984624U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990032A (en) * | 2012-12-26 | 2013-03-27 | 武胜县锦雄机械有限责任公司 | Control circuit of support roller type centrifugal casting machine |
| CN102990032B (en) * | 2012-12-26 | 2014-10-08 | 武胜县锦雄机械有限责任公司 | Control circuit of support roller type centrifugal casting machine |
| CN106862518A (en) * | 2017-04-28 | 2017-06-20 | 新兴铸管股份有限公司 | A kind of hot-die centrifuge pours into a mould vehicle control |
| CN107900303A (en) * | 2017-11-14 | 2018-04-13 | 江苏环宇冶金科技有限公司 | A kind of centrifugal casting machine control system |
| CN109500383A (en) * | 2019-01-28 | 2019-03-22 | 重庆重科智能装备研究院有限公司 | A kind of automatic Foundry Production line control system and control method |
| CN109500383B (en) * | 2019-01-28 | 2020-11-27 | 重庆重科智能装备研究院有限公司 | Control system and control method for automatic casting production line |
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Granted publication date: 20130612 Termination date: 20181226 |