CN201876736U - Water supply control circuit of shakeout drum - Google Patents
Water supply control circuit of shakeout drum Download PDFInfo
- Publication number
- CN201876736U CN201876736U CN2010205998543U CN201020599854U CN201876736U CN 201876736 U CN201876736 U CN 201876736U CN 2010205998543 U CN2010205998543 U CN 2010205998543U CN 201020599854 U CN201020599854 U CN 201020599854U CN 201876736 U CN201876736 U CN 201876736U
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- delay
- water supply
- control circuit
- circuit
- signal input
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Abstract
The utility model relates to an improved circuit of a casting device, in particular to a water supply control circuit of a shakeout drum, which comprises a power input end, a connecting wire and a signal input end. The water supply control circuit of the shakeout drum is characterized in that the two ends of the signal input end are respectively connected with a normally open contact of an intermediate relay in parallel, the signal input end is connected with an off-delay normally closed contact of a delay relay in series, the off-delay normally closed contact is connected with two branch circuits in series, one branch circuit is connected with an on-delay coil of the delay relay, and the other branch circuit is connected with a coil of the intermediate relay; and the power input end is provided with a solenoid valve branch circuit, and the solenoid valve branch circuit is connected with the normally open contact of the intermediate relay and a water supply solenoid valve in series. The water supply control circuit of the shakeout drum solves the problems of the method of controlling water supply based on measurement of a pulse meter such as instable water supply control and high failure rate, and is mainly applied in improvement of the circuit of the casting device.
Description
Technical field
The utility model relates to the circuit modification of Casting Equipment, is a kind of knockout cylinder feedwater control circuit.
Background technology
Shakeout operation in the casting technique needs to give water for cooling to the knockout in the knockout cylinder, and it is according to different foundry goods characteristics different set-points to be set that knockout is given the confluent of water for cooling; Existing knockout cylinder water supply control method is: be provided with the technology signal control circuit, the logic control electric energy control in the technology signal control circuit pulse meter metering feedwater control circuit (not reflection among the figure); This kind control method existing problem in production reality is: because pulse meter is a flush-type gear drive counting structure, the impurity in the water is easy to cause the wearing and tearing and the jam of gear, the feed water control system instability, and system failure rate is higher.
Summary of the invention
The purpose of this utility model will solve the existing feed water control system instability of pulse meter metering water supply control method, failure rate problem of higher exactly, and a kind of knockout cylinder feedwater control circuit is provided.
Concrete scheme of the present utility model is: a kind of knockout cylinder feedwater control circuit, it has power input, line and signal input part, it is characterized in that: the two ends of described signal input part are parallel with the auxiliary reclay normally open contact, described signal input part is in series with the timing relay time-delay and disconnects normally closed interlock, described time-delay disconnects normally closed interlock and is in series with two branch circuits, a branch circuit is connected with timing relay on-delay coil, and another branch circuit is connected with the auxiliary reclay coil; Also be provided with the solenoid valve branch circuit at power input, be in series with auxiliary reclay normally open contact and water-suppling electromagnetic valve in the solenoid valve branch circuit.
Timing relay described in the utility model adopts the delay time adjustable type.
Principle of work of the present utility model is: during logical condition in the detection signal coincidence circuit in the technology detection signal control circuit (seeing Fig. 2 for details), signal output part 10 has instantaneous electric quantity signal output, and by signal input part 3 interfaces 5 conductings feedwater control circuit (seeing Fig. 1 for details), auxiliary reclay coil 9 in the feedwater control circuit, auxiliary reclay normally open contact 8 closed self-lockings in the feedwater control circuit, timing relay on-delay coil 5 in the feedwater control circuit gets electric, and begins control time-delay disconnection normally closed interlock 6; Another auxiliary reclay normally open contact 6 closed and conducting solenoid valve branch circuits in the auxiliary reclay, water-suppling electromagnetic valve 7 electric, supply line conducting and to the feedwater of knockout cylinder (reflection among the figure); When the feedwater time reaches the set-point that timing relay sets, timing relay on-delay coil 5 is being controlled time-delay and is being disconnected normally closed interlock 4 disconnections, auxiliary reclay coil 9 dead electricity in the feedwater control circuit, auxiliary reclay normally open contact 8 in the feedwater control circuit and the auxiliary reclay normally open contact in the solenoid valve branch circuit 6 disconnect, water-suppling electromagnetic valve coil 7 dead electricity, water-suppling electromagnetic valve is blinded off a line.
The utility model is compared with original water supply control method, and the utility model substitutes the pulse meter meter with timing relay, has eliminated the wild effect that is easy to cause feed water control system because of the impurity in the water; The utlity model has characteristics such as simple in structure, cheap, stable and reliable for performance; The utility model preferably resolves existing water management instability, the failure rate problem of higher of giving of pulse meter metering water supply control method.
Description of drawings
Fig. 1: feedwater control circuit synoptic diagram;
Fig. 2: technology detection signal control circuit synoptic diagram;
Among the figure: 1-power input, 2-line, 3-signal input part, 4-time-delay disconnects normally closed interlock, 5-timing relay on-delay coil, 6-auxiliary reclay normally open contact, 7-water-suppling electromagnetic valve, 8-auxiliary reclay normally open contact, 9-auxiliary reclay coil, 10-signal output part, 11-technology detection signal input end.
Embodiment:
Embodiment (seeing Fig. 1 for details): a kind of knockout cylinder feedwater control circuit, it has power input 1, line 2 and signal input part 3, particularly: the two ends of described signal input part 3 are parallel with auxiliary reclay normally open contact 8, described signal input part 3 is in series with the timing relay time-delay and disconnects normally closed interlock 4, time-delay disconnects normally closed interlock 4 and is in series with two branch circuits, a branch circuit is connected with timing relay on-delay coil 5, and described timing relay adopts the delay time adjustable type; Another branch circuit is connected with auxiliary reclay coil 9; Also be provided with the solenoid valve branch circuit at power input 1, be in series with auxiliary reclay normally open contact 6 and water-suppling electromagnetic valve 7 in the solenoid valve branch circuit.
Claims (2)
1. knockout cylinder feedwater control circuit, it has power input, line and signal input part, it is characterized in that: the two ends of described signal input part are parallel with the auxiliary reclay normally open contact, described signal input part is in series with the timing relay time-delay and disconnects normally closed interlock, described time-delay disconnects normally closed interlock and is in series with two branch circuits, a branch circuit is connected with timing relay on-delay coil, and another branch circuit is connected with the auxiliary reclay coil; Also be provided with the solenoid valve branch circuit at power input, be in series with auxiliary reclay normally open contact and water-suppling electromagnetic valve in the solenoid valve branch circuit.
2. a kind of knockout cylinder feedwater control circuit according to claim 1, it is characterized in that: described timing relay adopts the delay time adjustable type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205998543U CN201876736U (en) | 2010-11-10 | 2010-11-10 | Water supply control circuit of shakeout drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205998543U CN201876736U (en) | 2010-11-10 | 2010-11-10 | Water supply control circuit of shakeout drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201876736U true CN201876736U (en) | 2011-06-22 |
Family
ID=44164650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205998543U Expired - Fee Related CN201876736U (en) | 2010-11-10 | 2010-11-10 | Water supply control circuit of shakeout drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201876736U (en) |
-
2010
- 2010-11-10 CN CN2010205998543U patent/CN201876736U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20161110 |