CN215278805U - Spray washing device for electroplating workpiece - Google Patents

Spray washing device for electroplating workpiece Download PDF

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Publication number
CN215278805U
CN215278805U CN202121323867.2U CN202121323867U CN215278805U CN 215278805 U CN215278805 U CN 215278805U CN 202121323867 U CN202121323867 U CN 202121323867U CN 215278805 U CN215278805 U CN 215278805U
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spraying
relay
outlet
valve
water
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CN202121323867.2U
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盛夕军
肖旭
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Yangzhou Tuoxin Auto Parts Co Ltd
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Yangzhou Tuoxin Auto Parts Co Ltd
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Abstract

The utility model relates to an electroplate work piece with spraying washing device belongs to a cleaning equipment technical field that plates. The device comprises a cleaning water tank, wherein a bottom drain outlet of the cleaning water tank is connected with a wastewater pipeline, a plurality of parallel spray pipelines are arranged on two sides of the inner wall of the cleaning water tank, a plurality of nozzles are uniformly arranged on each spray pipeline respectively, nozzles of the nozzles on two sides are opposite, inlets of the spray pipelines on the same side are connected with water supply branch pipes through tee joints respectively, the water supply branch pipes on two sides are led out from the top of the cleaning water tank and are connected with a water supply main pipe together, and a spray control pneumatic valve is arranged at an inlet of the water supply main pipe; an outlet at the bottom of the pure water tank is connected with an inlet of a water pump, a pressure gauge, a filter and a flowmeter are sequentially arranged at the outlet of the water pump along the water flow direction, and an outlet pipeline of the flowmeter is connected with an inlet of a spraying control pneumatic valve; the inlet of the spraying control electromagnetic valve is connected with a compressed air source pipeline through a pneumatic triple piece and an air source valve. The utility model discloses can avoid wasing the solution cross contamination in the basin.

Description

Spray washing device for electroplating workpiece
Technical Field
The utility model relates to an electroplate work piece with spraying washing device belongs to a cleaning equipment technical field that plates.
Background
The electroplating industry can not start washing, and the purpose of washing is to clean various salts in the immersion liquid from the surface of a plated part to meet the washing quality requirement; common washing modes include a single-tank washing method and a multi-stage washing method, and include immersion washing, rinsing, countercurrent washing and the like. In any way, along with the increase of the washing time, impurities in the washing solution are more and more, so that the surface of a workpiece cannot be cleaned by subsequent washing, and cross contamination of various solutions is further caused. Therefore, how to clean the workpiece and avoid cross contamination of the solution in the cleaning water tank become important in the industry.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the problem that exists among the prior art, provide an electroplate work piece with spraying washing device, can make the work piece reach the washing requirement, avoid being washd the solution cross contamination in the basin.
The utility model discloses a spray washing device for electroplating workpiece, including the washing basin, the bottom escape orifice of washing basin links to each other with waste pipe, the inner wall both sides of washing basin are equipped with many parallel spray pipes, evenly are equipped with a plurality of nozzles on each spray pipe respectively, and the spout of both sides nozzle is in opposite directions, and the entry of homonymy spray pipe links to each other with water supply branch pipe through the tee bend interface respectively, and the water supply branch pipe of both sides is drawn forth from the top of washing basin and is linked to each other with water supply main jointly, water supply main's entry is installed and is sprayed the control pneumatic valve; an outlet of the pure water supply pipe is connected with a pure water tank, an outlet at the bottom of the pure water tank is connected with an inlet of a water pump, a pressure gauge, a filter and a flowmeter are sequentially arranged at the outlet of the water pump along the water flow direction, and an outlet pipeline of the flowmeter is connected with an inlet of the spray control pneumatic valve; and a compressed air inlet of the spraying control pneumatic valve is connected with an outlet of the spraying control electromagnetic valve, and an inlet of the spraying control electromagnetic valve is connected with a compressed air source pipeline through a pneumatic triple piece and an air source valve.
Furthermore, the outlet of the water pump is also connected with a circulating pipe, a backflow control pneumatic valve is installed on the circulating pipe, the outlet of the backflow control pneumatic valve is connected with the pure water tank, the compressed air inlet of the backflow control pneumatic valve is connected with the outlet of the backflow control solenoid valve, and the inlet of the backflow control solenoid valve is connected with the outlet pipeline of the pneumatic triple piece.
Furthermore, each side of the spraying pipeline is respectively provided with an upper group, a middle group and a lower group.
Further, the entry series connection that sprays the control pneumatic valve installs preceding gate valve, the export series connection that sprays the control pneumatic valve installs the back gate valve, the entry of preceding gate valve with install the bypass valve between the export of back gate valve.
Furthermore, a motor of the water pump is controlled by a frequency converter, and an input end of the frequency converter is connected with a main loop after being connected with a thermal relay and a main breaker in series; the frequency converter, the spraying control electromagnetic valve and the backflow control electromagnetic valve are controlled by a control loop; a first knife fuse switch, a control loop air switch, a water pump stop button, a normally closed contact of a thermal relay, a water pump start button and a coil of a first relay are sequentially connected in series between a live wire and a zero line of the control loop, and the first normally open contact of the first relay is connected to two ends of the water pump start button in parallel; a second normally open contact of the first relay and a coil of the second relay are sequentially connected in series between a lower pile head of the normally closed contact of the thermal relay and a zero line; and a first normally open contact of the second relay is connected with a second normally open contact of the first relay in parallel, and the second normally open contact of the second relay is connected with a starting signal input end of the frequency converter.
Further, the control circuit also comprises a spraying control circuit and a backflow control circuit, wherein the spraying control circuit comprises a spraying stop button TA2, a spraying start button QA2 and a coil of a spraying control electromagnetic valve S1 which are sequentially connected in series, the coil of the spraying control electromagnetic valve S1 is connected with the coil of a third relay KA3 in parallel, and a first normally open contact KA3-1 of the third relay is connected with the spraying start button QA2 in parallel; the return flow control loop comprises a second normally closed contact KA3-2 of a third relay and a coil of a return flow control solenoid valve S2 which are connected in series.
The utility model has the advantages that: 1. pure water in the pure water pool enters the water pump from the water outlet, enters the water inlet of each spraying control pneumatic valve after being pressurized by the water pump, and the spraying control solenoid valves control the on-off of each spraying control pneumatic valve; the backflow control solenoid valve controls the opening and closing of the backflow control pneumatic valve, after the spraying control pneumatic valve is opened, pure water enters the nozzle, the nozzle sprays the pure water in a mist shape to clean the workpiece in a non-contact mode, when the surface of the workpiece is completely cleaned, the workpiece leaves the rinsing bath, and spraying is stopped; the spray water is discharged into a waste water pipeline, so that the surface of the workpiece is always washed by pure water, the workpiece is not contacted with polluted waste water, the cleaning effect is good, and no pollution exists.
2. The backflow control pneumatic valve can keep a certain opening degree, so that pure water at the outlet of the water pump partially flows back to the pure water tank through the circulating pipe, the water pump keeps a certain flow, and the operation of the water pump is more stable. When each spraying control pneumatic valve is closed, the backflow control pneumatic valve can be automatically opened for circulation, and fluctuation caused by the fact that the outlet of the water pump is closed is avoided; when the spraying control pneumatic valve is opened, the backflow control pneumatic valve is automatically closed.
3. The pressure gauge can indicate the pressure at the outlet of the water pump, and the filter can remove impurities accidentally mixed in the pure water, so that the nozzle is prevented from being blocked; the flowmeter can indicate the spraying amount of the pure water, and the pressure gauge, the filter and the flowmeter can be overhauled or replaced by closing the inlet and outlet valves of the water pump.
4. Closing the main circuit breaker, the first fuse switch and the control loop, opening the circuit, pressing a water pump starting button, enabling a coil of the first relay to be electrified, enabling a first normally open contact of the first relay to attract self-protection, enabling a second normally open contact of the first relay to be closed, enabling a coil of the second relay to be electrified, enabling a first normally open contact of the second relay to be closed, starting a frequency converter, enabling a motor of the water pump to run, and pumping out pure water by the water pump to enter spraying operation; and when the water pump stop button is pressed down, the coil of the first relay and the coil of the second relay are both powered off, the first normally open contact of the second relay is disconnected, and the frequency converter and the water pump motor stop running.
5. Pressing a spray starting button QA2, enabling a coil of a spray control solenoid valve S1 and a coil of a third relay KA3 to be electrified simultaneously, enabling a first normally open contact KA3-1 of the third relay to be sucked and self-protected, opening a spray control solenoid valve S1, enabling compressed air to enter a control port of a spray control pneumatic valve to be opened, and enabling pure water of a water supply main pipe to enter a nozzle for spraying; and when spraying, the second normally closed contact KA3-2 of the third relay is disconnected, the backflow control solenoid valve S2 is de-energized, the backflow control solenoid valve is closed, and the backflow channel is automatically cut off.
After cleaning is finished, when spraying is stopped, a spraying stop button TA2 is pressed, the coil of the spraying control electromagnetic valve S1 and the coil of the third relay KA3 lose power simultaneously, the second normally closed contact KA3-2 of the third relay is closed, the backflow control electromagnetic valve S2 is powered on, the backflow control pneumatic valve is opened, and water outlet of the water pump automatically flows back to the pure water tank through the circulating pipe.
Drawings
FIG. 1 is a system diagram of a spray washing device for electroplating workpieces according to the present invention;
FIG. 2 is a front view of the cleaning water tank of the present invention;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is an electrical schematic diagram of the spraying and water-washing device for electroplating workpieces.
In the figure: 1. a pure water supply pipe; 2. a pure water pool; 3. a water pump; 4. a circulating pipe 5 and a pressure gauge; 6. a filter; 7. a flow meter; 8. a water main; 8a, a front gate valve; 8b, a rear gate valve; 8c, a bypass valve; 9. a water supply branch pipe; 10. spraying control pneumatic valves; 11. a spray pipe; 12. a nozzle; 13. a compressed air source conduit; 14. a gas source valve; 15. a pneumatic triplet; 16. a reflux control pneumatic valve;
s1, spraying a control electromagnetic valve; s2, a backflow control electromagnetic valve; qm1. main breaker; QM2, the control loop is opened in an idle mode; fc, thermal relay; vfd, frequency converter; m1, a water pump motor; FU1, a first knife fuse switch; TA1. water pump stop button; QA1, a water pump starting button; TA2. spraying stop button; QA2, a spray starting button; KA1. a first relay; KA2. a second relay; KA3. third relay.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in figures 1-3, the utility model discloses an electroplate work piece with spraying water washing device includes the washing basin, and the bottom escape orifice that washs the basin links to each other with waste water pipe, and the inner wall both sides that wash the basin are equipped with many parallel spray pipes 11, and every side sprays and drenches pipeline 11 and is equipped with three groups about the top, middle and bottom respectively. Evenly be equipped with a plurality of nozzles 12 on each spray pipe 11 respectively, the spout of both sides nozzle 12 is in opposite directions, and the entry of homonymy spray pipe 11 links to each other with water supply branch pipe 9 through three way connection respectively, and the water supply branch pipe 9 of both sides is drawn forth and is linked to each other with water supply main 8 jointly from the top of washing basin, and spray control pneumatic valve 10 is installed to water supply main 8's entry.
An outlet of the pure water supply pipe 1 is connected with the pure water tank 2, an outlet at the bottom of the pure water tank 2 is connected with an inlet of the water pump 3, an outlet of the water pump 3 is sequentially provided with a pressure gauge 5, a filter 6 and a flowmeter 7 along the water flow direction, and an outlet pipeline of the flowmeter 7 is connected with an inlet of the spray control pneumatic valve 10; the compressed air inlet of the spraying control pneumatic valve 10 is connected with the outlet of the spraying control solenoid valve S1, and the inlet of the spraying control solenoid valve S1 is connected with the compressed air source pipeline 13 through the pneumatic triple piece 15 and the air source valve 14.
The outlet of the water pump 3 is also connected with a circulating pipe 4, a backflow control pneumatic valve 16 is installed on the circulating pipe 4, a compressed air inlet of the backflow control pneumatic valve 16 is connected with an inlet of the backflow control pneumatic valve 16, an outlet of the backflow control pneumatic valve 16 is connected with the pure water pool 2, and an inlet of the backflow control pneumatic valve 16 is connected with an outlet pipeline of the pneumatic triple piece 15.
A front gate valve 8a is installed in series at the inlet of the spray control pneumatic valve 10, a rear gate valve 8b is installed in series at the outlet of the spray control pneumatic valve 10, and a bypass valve 8c is installed between the inlet of the front gate valve 8a and the outlet of the rear gate valve 8 b.
Pure water in the pure water tank 2 enters the water pump 3 from the water outlet, enters the water inlet of each spraying control pneumatic valve 10 after being pressurized by the water pump 3, and the spraying control solenoid valve S1 controls the on-off of each spraying control pneumatic valve 10; the backflow control pneumatic valve 16 controls backflow of the backflow pipeline, after the spraying control pneumatic valve 10 is opened, pure water enters the nozzle 12, the nozzle 12 sprays the pure water in a mist shape, non-contact cleaning is carried out on a workpiece, when the surface of the workpiece is completely cleaned, the workpiece leaves the rinsing bath, and spraying is stopped; the spray water is discharged into a waste water pipeline, so that the surface of the workpiece is always washed by pure water, the workpiece is not contacted with polluted waste water, the cleaning effect is good, and no pollution exists.
The reflux control pneumatic valve 16 can keep a certain opening degree, so that pure water at the outlet of the water pump partially flows back to the pure water tank through the circulating pipe, the water pump keeps a certain flow, and the operation of the water pump is more stable. And when each spraying control pneumatic valve is closed, the backflow control pneumatic valve 16 is automatically opened for circulation, so that the situation that the outlet of the water pump is closed to cause fluctuation is avoided.
Pressure that 3 exports of water pump can be instructed to manometer 5, and the impurity that unexpected sneaking in the pure water can be detached to filter 6, avoids nozzle 12 to be blockked up, and flowmeter 7 can instruct the volume of spraying of pure water, closes the business turn over mouth valve of water pump 3 and just can overhaul or change manometer 5, filter 6 and flowmeter 7.
When the spray control pneumatic valve 10 fails or leaks, the front gate valve 8a and the rear gate valve 8b can be closed, and the bypass valve 8c is opened to directly supply water for spraying.
As shown in fig. 4, the motor M1 of the water pump 3 is controlled by the inverter VFD, and the input end of the inverter VFD is connected in series with the thermal relay FC and the main circuit breaker QM1 and then connected to the main circuit; the frequency converter VFD, the spraying control electromagnetic valve S1 and the return flow control electromagnetic valve S2 are controlled by a control loop.
A knife fuse switch FU1, a control loop air switch QM2, a water pump 3 stop button TA1, a normally closed contact FC-1 of a thermal relay, a water pump 3 start button QA1 and a coil of a first relay KA1 are sequentially connected in series between a live wire and a zero wire of the control loop, and the first normally open contact KA1-1 of the first relay is connected in parallel at two ends of a water pump 3 start button QA 1; a second normally open contact KA1-2 of the first relay and a coil of a second relay KA2 are sequentially connected in series between the lower pile head of the normally closed contact FC-1 of the thermal relay and a zero line; the first normally open contact KA2-1 of the second relay is connected with the second normally open contact KA1-2 of the first relay in parallel, and the second normally open contact KA2-2 of the second relay is connected to the starting signal input end of the frequency converter VFD.
Closing a main breaker QM1, a knife fuse switch FU1 and a control loop air switch QM2, pressing a start button QA1 of the water pump 3, electrifying a coil of a first relay KA1, attracting a self-protection by a first normally-open contact KA1-1 of the first relay, closing a second normally-open contact KA1-2 of the first relay to electrify a coil of a second relay KA2, closing a first normally-open contact KA2-1 of the second relay, starting a frequency converter VFD, operating a motor of the water pump 3, and discharging the pure water pump 3 by the water pump 3 to enter spraying operation; when a water pump 3 stop button TA1 is pressed, the coil of the first relay KA1 and the coil of the second relay KA2 are both de-energized, the first normally open contact KA2-1 of the second relay is disconnected, and the frequency converter VFD and the water pump 3 motor M1 stop running.
The control loop also comprises a spraying control loop and a backflow control loop, the spraying control loop comprises a spraying stop button TA2, a spraying start button QA2 and a coil of a spraying control electromagnetic valve S1 which are sequentially connected in series, the coil of the spraying control electromagnetic valve S1 is connected with the coil of a third relay KA3 in parallel, and a first normally open contact KA3-1 of the third relay is connected with the spraying start button QA2 in parallel; the return flow control circuit comprises a second normally closed contact KA3-2 of a third relay and a coil of the return flow control solenoid valve S2 which are connected in series with each other.
Pressing a spray starting button QA2, enabling a coil of a spray control solenoid valve S1 and a coil of a third relay KA3 to be electrified simultaneously, enabling a first normally open contact KA3-1 of the third relay to be sucked and self-protected, opening a spray control solenoid valve S1, enabling compressed air to enter a control port of a spray control pneumatic valve to be opened, and enabling pure water of a water supply main pipe to enter a nozzle for spraying; and when spraying, the second normally closed contact KA3-2 of the third relay is disconnected, the backflow control solenoid valve S2 is de-energized, the backflow control pneumatic valve 16 is closed, and the backflow channel is automatically cut off.
After cleaning is finished, when spraying is stopped, a spraying stop button TA2 is pressed, the coil of the spraying control electromagnetic valve S1 and the coil of the third relay KA3 lose power simultaneously, the second normally closed contact KA3-2 of the third relay is closed, the backflow control electromagnetic valve S2 is powered on, the backflow control pneumatic valve 16 is opened, and water discharged from the water pump automatically flows back to the pure water pool through the circulating pipe.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (5)

1. The utility model provides an electroplate work piece with spraying washing device, includes the washing basin, the bottom escape orifice that washs the basin links to each other with waste water pipe, the inner wall both sides that wash the basin are equipped with the spray piping of many parallels, its characterized in that: a plurality of nozzles are uniformly arranged on each spray pipeline respectively, the nozzles at two sides are opposite, the inlets of the spray pipelines at the same side are connected with water supply branch pipes through tee joints respectively, the water supply branch pipes at two sides are led out from the top of the cleaning water tank and are connected with a water supply main pipe together, and a spray control pneumatic valve is arranged at the inlet of the water supply main pipe; an outlet of the pure water supply pipe is connected with a pure water tank, an outlet at the bottom of the pure water tank is connected with an inlet of a water pump, a pressure gauge, a filter and a flowmeter are sequentially arranged at the outlet of the water pump along the water flow direction, and an outlet pipeline of the flowmeter is connected with an inlet of the spray control pneumatic valve; and a compressed air inlet of the spraying control pneumatic valve is connected with an outlet of the spraying control electromagnetic valve, and an inlet of the spraying control electromagnetic valve is connected with a compressed air source pipeline through a pneumatic triple piece and an air source valve.
2. The shower water-washing device for plating work pieces according to claim 1, characterized in that: the outlet of the water pump is further connected with a circulating pipe, a backflow control pneumatic valve is installed on the circulating pipe, the outlet of the backflow control pneumatic valve is connected with the pure water pool, a compressed air inlet of the backflow control pneumatic valve is connected with the outlet of the backflow control solenoid valve, and the inlet of the backflow control solenoid valve is connected with an outlet pipeline of the pneumatic triple piece.
3. The shower water-washing device for plating work pieces according to claim 1, characterized in that: each side of the spraying pipeline is respectively provided with an upper group, a middle group and a lower group.
4. The shower water-washing apparatus for plating work pieces according to claim 2, characterized in that: the motor (M1) of the water pump is controlled by a frequency converter (VFD), and the input end of the frequency converter (VFD) is connected with a main loop after being connected with a thermal relay (FC) and a main circuit breaker (QM 1) in series; the frequency converter (VFD), the spraying control electromagnetic valve (S1) and the backflow control electromagnetic valve (S2) are controlled by a control loop; a first knife fuse switch (FU 1), a control loop air switch (QM 2), a water pump stop button (TA 1), a normally closed contact (FC-1) of a thermal relay, a water pump start button (QA 1) and a coil of a first relay (KA 1) are sequentially connected in series between a live wire and a zero wire of the control loop, and the first normally open contact (KA 1-1) of the first relay is connected in parallel at two ends of the water pump start button (QA 1); a second normally open contact (KA 1-2) of the first relay and a coil of a second relay (KA 2) are sequentially connected in series between the lower pile head of the normally closed contact (FC-1) of the thermal relay and a zero line; the first normally open contact (KA 2-1) of the second relay is connected with the second normally open contact (KA 1-2) of the first relay in parallel, and the second normally open contact (KA 2-2) of the second relay is connected to the starting signal input end of the frequency converter (VFD).
5. The shower water-washing apparatus for plating work piece according to claim 4, characterized in that: the control circuit also comprises a spraying control circuit and a backflow control circuit, wherein the spraying control circuit comprises a spraying stop button (TA 2), a spraying start button (QA 2) and a coil of a spraying control electromagnetic valve (S1) which are sequentially connected in series, the coil of the spraying control electromagnetic valve (S1) is connected with the coil of a third relay (KA 3) in parallel, and a first normally open contact (KA 3-1) of the third relay is connected with the spraying start button (QA 2) in parallel; the return flow control circuit comprises a second normally closed contact (KA 3-2) of a third relay and a coil of a return flow control solenoid valve (S2) which are connected in series.
CN202121323867.2U 2021-06-15 2021-06-15 Spray washing device for electroplating workpiece Active CN215278805U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121323867.2U CN215278805U (en) 2021-06-15 2021-06-15 Spray washing device for electroplating workpiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121323867.2U CN215278805U (en) 2021-06-15 2021-06-15 Spray washing device for electroplating workpiece

Publications (1)

Publication Number Publication Date
CN215278805U true CN215278805U (en) 2021-12-24

Family

ID=79516009

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121323867.2U Active CN215278805U (en) 2021-06-15 2021-06-15 Spray washing device for electroplating workpiece

Country Status (1)

Country Link
CN (1) CN215278805U (en)

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