CN202984623U - Water spray control circuit of roller type centrifugal casting machine - Google Patents
Water spray control circuit of roller type centrifugal casting machine Download PDFInfo
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- CN202984623U CN202984623U CN 201220727509 CN201220727509U CN202984623U CN 202984623 U CN202984623 U CN 202984623U CN 201220727509 CN201220727509 CN 201220727509 CN 201220727509 U CN201220727509 U CN 201220727509U CN 202984623 U CN202984623 U CN 202984623U
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- water spray
- plc module
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- water
- control circuit
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Abstract
The utility model relates to a water spray control circuit of a roller type centrifugal casting machine. The water spray control circuit of the roller type centrifugal casting machine comprises a PLC (programmable logic controller) module, a power source, a water spray device, a time relay, a plurality of sensors and a plurality of control switches, wherein the PLC module is provided with an analog input module, a digital input module and a digital output module, the plurality of control switches comprise a water spray repeater, a water spray time relay and a plurality of command input switches, the power sources is used for powering the PLC module, the water spray 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 and the water spray time relay, the digital input module of the PLC module is used for outputting the signals acquired by the digital input module to the water spray repeater, and the analog input module is used for transmitting signals acquired by the sensors to a CPU (central processing unit). The water spray control circuit of the roller type centrifugal casting machine is high in automation, easy to operate and capable of subjecting the temperature and the flow of cooling water to automation control.
Description
Technical field
The utility model relates to the Centrifuge Techniques field, relates in particular to a kind of water spray control circuit of roller-type centrifugal casting machine.
Background technology
In the metal casting industry, 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 because human factor causes the too low phenomenon that affects the unstable product quality of subsequent production of mold temperature, therefore, need a kind of water spray control circuit that can carry out to the flow of cooling water automatic control.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, the water spray control circuit of a kind of automaticity roller-type centrifugal casting machine high, simple to operation is provided, this water spray control circuit can be at any time carries out automation to temperature, the flow of cooling water and controls, can make foundry goods evenly, cooling rapidly, simultaneously can also realize that automatic time delay is cooling.
the utility model is achieved in that a kind of water spray control circuit of roller-type centrifugal casting machine, comprise and have analog input, the digital quantity input, the PLC module of digital output, power supply, water injector, the time relay, some sensors and a plurality of gauge tap, described a plurality of gauge tap comprises the water spray repeater, the water spraying time relay, and a plurality of instruction input switches, described power supply is used for to the PLC module, water injector, the sensor power supply, the digital quantity input of described PLC module is used for the switch state signal of acquisition instructions input switch and water spraying time relay, the digital output of described PLC module is used for exporting the signal of digital quantity input module collection to the water spray repeater, thereby control water injector water spray magnetic valve state, 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 CPU, whether the analog signal that the CPU judgement gathers is abnormal, and give the water spray repeater by the digital output output switch control signal of PLC module, be used for controlling opening, close and the aperture size of water injector water spray magnetic valve.
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, and described Product Process parameter information comprises the temperature that mould is controlled, and cooling water flow how much, the water cooling time.
One end of described instruction input switch, water spraying time relay K T1 normally opened contact connects the digital quantity input of PLC module, the other end connects negative voltage V-, coil one end of described water spray repeater KA3 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 spraying button SB2, always stops button SB4, and be connected with the water injector coil of magnetic valve YB1 of described water spraying time relay K T1 connects power supply by water spray repeater KA3.
Described water spray control circuit 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.
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 water spray control circuit employing PLC module of this roller-type centrifugal casting machine, automaticity is high, and only need press spraying button SB2, can opening, closing and the aperture size by PLC module controls water injector water spray magnetic valve, thereby realization is carried out automation control to temperature, the flow of cooling water at any time, has avoided causing the too low phenomenon that affects the unstable product quality of subsequent production of mold temperature because of human factor.Described water spraying time relay K T1 and water injector water spray magnetic valve YB1 controls by water spray repeater KA3 simultaneously, thereby can realize that by the PLC module automatic time delay is cooling, uses this circuit, and is not only simple to operation, and high efficiency.Cooling metallographic and the graphite structure to product of automatic time delay has very big benefit simultaneously.Molten iron temperature signal in the time of also can gathering the analog signal, mold temperature signal of the pressure of cooling water and flow and cast by the PLC module; 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 control opening, close and the aperture size of gauge tap, realize automatically regulating and error protection.
Description of drawings
Fig. 1 is circuit diagram of the present utility model.
The specific embodiment
Referring to Fig. 1, a kind of water spray control circuit of roller-type centrifugal casting machine, comprise have analog input, PLC module, power supply, water injector, the time relay, some sensors and a plurality of gauge tap of digital quantity input, digital output, described a plurality of gauge tap comprises water spray repeater, water spraying time relay and a plurality of instruction input switch, described power supply is used for to PLC module, water injector, sensor power supply, the analog input of described PLC module connects some sensors, and 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.In the present embodiment, described PLC module connects power supply by PLC power switch QS1, described PLC module adopts Winding Single Phase Capacitance, be connected with respectively fuse FU1, FU2 between described single phase poaer supply (L, N) and PLC module, also be connected with scram button SB6 between the zero line N of single phase poaer supply and PLC power switch QS1.The digital output of described PLC module is connected with frequency converter, and in the present embodiment, it is the Programmable Logic Controller of CP1E-N20DR-A that described PLC module adopts model.One end of described instruction input switch, water spraying time relay K T1 normally opened contact connects the digital quantity input of PLC module, the other end connects negative voltage V-, coil one end of described water spray repeater KA3 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 spraying button SB2, always stops button SB4, and be connected with the water injector coil of magnetic valve YB1 of described water spraying time relay K T1 connects single phase ac voltage (L, N) by water spray repeater KA3.Described water spray control circuit 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 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 PLC module is connected with frequency converter, be used for controlling the centrifuge main frame, 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.Described instruction input switch also comprises the first button SB1 for the startup of controlling centrifuge, for the 3rd button SB3 of a speed rotation of controlling the centrifuge main frame, is used for the 5th button SB5 of the two-speed rotation of control centrifuge main frame.
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 and water spraying time relay, the digital output of described PLC module is used for exporting the signal of digital quantity input module collection to the water spray repeater, thereby controls water spray magnetic valve state; When the analog input module of described PLC module gathers the analog signal, mold temperature signal of the pressure of cooling water and flow and cast, the molten iron temperature signal passes to CPU, whether the analog signal that the CPU judgement gathers 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 PLC module is exported to the water spray repeater with the switch controlling signal of CPU, is used for controlling opening, close and the aperture size of water spray magnetic valve.The digital output module of described PLC module also is used for the Product Process parameter information that output CPU sets, and described Product Process parameter information comprises the temperature that mould is controlled, and cooling water flow how much, the water cooling time.
during use: closed PLC power switch QS1, press spraying button SB2, the coil electricity of water spray repeater KA3, the normally opened contact of water spray repeater KA3 is closed, then, the coil electricity of water spraying time relay K T1 and water spray magnetic valve YB1, 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 finishes, its normally opened contact is closed, output switch control signal is to the PLC module, the normally opened contact of water spray 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.
The utility model is used for spraying water to the mould of two-speed rotation, the pipe fitting of cast molding is separated with mold cools down, because mould is at the uniform velocity rotation status, mold cools down is even, the utility model utilizes PLC to carry out automation to cooling system and controls, also can control injection flow rate according to different products, avoid because human factor causes the too low phenomenon that affects the unstable product quality of subsequent production of mold temperature thereby reach, cooling metallographic and the graphite structure to product of automatic time delay has very big benefit simultaneously.
Claims (7)
1. the water spray control circuit 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, water injector, the time relay, some sensors and a plurality of gauge tap, described a plurality of gauge tap comprises the water spray repeater, the water spraying time relay, and a plurality of instruction input switches, described power supply is used for to the PLC module, water injector, the sensor power supply, the digital quantity input of described PLC module is used for the switch state signal of acquisition instructions input switch and water spraying time relay, the digital output of described PLC module is used for exporting the signal of digital quantity input module collection to the water spray repeater, thereby control water injector water spray magnetic valve state, 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 CPU, whether the analog signal that the CPU judgement gathers is abnormal, and give the water spray repeater by the digital output output switch control signal of PLC module, be used for controlling opening, close and the aperture size of water injector water spray magnetic valve.
2. the water spray control circuit 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 water spray control circuit 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 that mould is controlled, cooling water flow how much, the water cooling time.
4. the water spray control circuit of roller-type centrifugal casting machine according to claim 1, it is characterized in that: an end of described instruction input switch, water spraying time relay K T1 normally opened contact connects the digital quantity input of PLC module, the other end connects negative voltage V-, coil one end of described water spray repeater KA3 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 water spray control circuit of roller-type centrifugal casting machine according to claim 4, it is characterized in that: described instruction input switch comprises spraying button SB2, always stops button SB4, and be connected with the water injector coil of magnetic valve YB1 of described water spraying time relay K T1 connects power supply by water spray repeater KA3.
6. the water spray control circuit of roller-type centrifugal casting machine according to claim 1, it is characterized in that: described water spray control circuit 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 water spray control circuit 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 201220727509 CN202984623U (en) | 2012-12-26 | 2012-12-26 | Water spray control circuit of roller type centrifugal casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220727509 CN202984623U (en) | 2012-12-26 | 2012-12-26 | Water spray control circuit of roller type centrifugal casting machine |
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| Publication Number | Publication Date |
|---|---|
| CN202984623U true CN202984623U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220727509 Expired - Fee Related CN202984623U (en) | 2012-12-26 | 2012-12-26 | Water spray control circuit of roller type centrifugal casting machine |
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| CN (1) | CN202984623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10722824B2 (en) | 2016-10-18 | 2020-07-28 | Ecolab Usa Inc. | Device to separate water and solids of spray water in a continuous caster, and method to monitor and control corrosion background |
-
2012
- 2012-12-26 CN CN 201220727509 patent/CN202984623U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10722824B2 (en) | 2016-10-18 | 2020-07-28 | Ecolab Usa Inc. | Device to separate water and solids of spray water in a continuous caster, and method to monitor and control corrosion background |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20181226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |