CN211359783U - PCB board washing jar overflow arrangement and PCB board washing device who constitutes thereof - Google Patents
PCB board washing jar overflow arrangement and PCB board washing device who constitutes thereof Download PDFInfo
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- CN211359783U CN211359783U CN201921870562.6U CN201921870562U CN211359783U CN 211359783 U CN211359783 U CN 211359783U CN 201921870562 U CN201921870562 U CN 201921870562U CN 211359783 U CN211359783 U CN 211359783U
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Abstract
The utility model discloses a PCB board washing jar overflow arrangement, including water inlet, overflow mouth and water intake system, the water inlet passes through the pipe connection water intake system, and the overflow mouth passes through the pipe connection outside blow off pipe; the overflow port is arranged in the washing tank and is lower than all washing nozzles, and the water inlet is arranged in the washing tank and is lower than the overflow port; the water quality monitoring device comprises a water quality monitoring sensor, an electromagnetic valve and an online control interface; the electromagnetic valve is arranged on a connecting pipeline between the water inlet and the water inlet system, and the water quality monitoring device controls the start and stop of the water inlet of the overflow device through the water quality monitoring sensor. A PCB board washing device comprises a washing cylinder, a transmission device, a spraying device and any one overflow device of the PCB board washing cylinder; the conveying device is arranged in the washing cylinder, and the washing nozzle in the spraying device is arranged right above the conveying device. The utility model discloses simple structure can effective using water wisely.
Description
Technical Field
The utility model relates to a PCB board field of making, more specifically say, especially relate to a PCB board washing jar overflow arrangement and PCB board washing device of constituteing thereof.
Background
Clean production, energy conservation and emission reduction are important contents of the national 'twelve-five' plan, and the policy has stricter requirements and stricter regulations on enterprise water use, particularly on the discharge of water and wastewater of PCB water use 'households'. In the production process of the PCB, a horizontal line belongs to one of the most water-consuming working sections, on one hand, the water consumption of the horizontal line is the largest, the overflow water replenishing of each water washing tank is carried out every day, and the purpose of water washing is to dilute liquid medicine brought out by a plate in a front liquid medicine tank and clean the plate surface. The traditional washing mode is continuous multi-stage countercurrent washing, when a plate enters a liquid medicine tank, a control system immediately opens an overflow water device to replenish water to the washing tank, and after the plate leaves the washing tank, the control system can control the overflow water replenishing device to stop replenishing water.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the problem that above-mentioned prior art exists, provide a simple structure, reasonable in design, through detect the PCB board washing overflow water replenishing device who confirms to open and stop to the measured value of the electric conductivity concentration detection value of liquid or pH value in the wash bowl to PCB board washing jar overflow arrangement of effective water-saving energy and the PCB board washing device of constituteing thereof.
The technical scheme adopted by the utility model is that the overflow device of the PCB board washing tank comprises a water inlet, an overflow port and a water inlet system, wherein the water inlet is connected with the water inlet system through a pipeline, and the overflow port is connected with an external blow-off pipe through a pipeline; the overflow port is arranged in the washing tank and is lower than all washing nozzles, and the water inlet is arranged in the washing tank and is lower than the liquid level in normal operation; the water quality monitoring device comprises a water quality monitoring sensor, an electromagnetic valve and an online control interface; the electromagnetic valve is arranged on a connecting pipeline between the water inlet and the water inlet system, and the water quality monitoring device controls the start and stop of the water inlet of the overflow device through the water quality monitoring sensor.
Furthermore, a flow meter is arranged between the electromagnetic valve and the water inlet.
Preferably, the water quality monitoring device comprises a conductivity sensor, an electromagnetic valve and an online conductivity setting interface, the conductivity sensor is arranged inside the washing tank, the electromagnetic valve is arranged on a water outlet pipeline of the overflow device, and the online conductivity setting interface is connected with the conductivity sensor and arranged outside the washing tank.
Preferably, the washing cylinder is divided into three grids through a partition plate of the washing tank, namely a first-stage washing tank, a second-stage washing tank and a third-stage washing tank, and the conductivity sensor is arranged at any position in the third-stage washing tank;
preferably, the water quality monitoring device comprises a pH value sensor, an electromagnetic valve and an online setting monitoring interface, wherein the online setting monitoring interface is connected with the pH value sensor and arranged outside the washing tank.
Preferably, the washing cylinder is divided into three grids through a partition plate of the washing tank, namely a first-stage washing tank, a second-stage washing tank and a third-stage washing tank, and the pH value sensor is arranged at any position in the third-stage washing tank;
a PCB board washing device comprises a washing cylinder, a transmission device, a spraying device and any one overflow device of the PCB board washing cylinder; the conveying device is arranged in the washing cylinder, and the washing nozzle in the spraying device is arranged right above the conveying device.
The transmission device comprises a plurality of groups of rollers which rotate continuously, and each group comprises an upper roller and a lower roller which rotate forwards relatively; the number of groups is adjusted according to the length of the washing cylinder and is arranged right above the first-level to third-level washing tanks.
The spraying device comprises a spraying pump and a washing spray head, and the washing spray head is arranged right above and/or right below the transmission device.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses an increase the online control interface that a water quality monitoring inductor, solenoid valve and also water quality monitoring inductor are connected in original overflow arrangement for original overflow arrangement can control it through the testing result of water quality monitoring inductor and open and stop, and the water quality monitoring inductor can detect out the quality of water of liquid in the washing jar immediately, thereby monitors the cleanliness of being washed the PCB board. As a further improvement, the water quality monitoring sensor is arranged in the last rinsing bath in the rinsing tank, and the final cleanliness of the PCB can be detected immediately.
To sum up, the utility model has the advantages of simple structure and reasonable design, detect the PCB board washing overflow arrangement who confirms to open and stop through the electric conductivity concentration detection value to liquid in the wash bowl or the measured value of pH value to reach the purpose of using water wisely.
Drawings
The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.
Fig. 1 is a schematic structural view of a PCB washing device of the present invention.
Reference numerals: 1. an overflow port; 2. a roller; 3. the device comprises a first-level rinsing bath, a second-level rinsing bath, a rinsing spray head, a third-level rinsing bath, a water inlet, a flow meter, a solenoid valve, a 10 online setting interface, a water inlet ball valve, a 12 water inlet, a 13 water quality monitoring sensor, a 14 rinsing bath partition plate, a 15 sewage discharge pipe, a 16 spray pump, a 17 working liquid level, and a water inlet, a 8 flow meter, a 9 electromagnetic valve, a 10 online setting interface.
Detailed Description
Referring to the attached drawings, the overflow device of the PCB board washing tank of the utility model comprises a water inlet 7, an overflow port 1 and a water inlet system, wherein the water inlet 7 is connected with the water inlet system through a pipeline, and the overflow port 1 is connected with an external blow-off pipe 15 through a pipeline; the overflow port 1 is arranged in the washing tank and is lower than all the washing nozzles 5, and the water inlet 7 is arranged in the washing tank and is lower than the overflow port 1; the water quality monitoring device comprises a water quality monitoring inductor 13, an electromagnetic valve 9 and an online setting interface 10; the electromagnetic valve 9 is arranged on a connecting pipeline between the water inlet 7 and the water inlet system, and the water quality monitoring device controls the start and stop of the water inlet 7 of the overflow device through the water quality monitoring sensor 13.
Preferably, the water inlet 7 extends below the working liquid level 17 to prevent splashing and foaming when water is introduced.
The utility model discloses a set for the detection value of interface 10 settlement water quality monitoring inductor 13 on line, when water quality monitoring inductor detects numerical value and reaches this detection value, solenoid valve 9 closed, and the system of intaking stops into water. When the detection value of the water quality detection sensor is lower than the detection value, the electromagnetic valve 9 is opened, the water inlet system works, and washing water enters the washing cylinder from the water inlet 7. And meanwhile, the washing nozzle 5 works to wash the PCB up and down. The sewage is discharged from the overflow port 1 and enters a sewage discharge pipeline.
As a further improvement, the utility model discloses still be equipped with flowmeter 8 between solenoid valve 9 and the water inlet 7. The water inflow of the water inlet system can be controlled and monitored simultaneously by the water quality monitoring device and the flowmeter 8.
The utility model discloses the flowmeter 8 that uses is prior art, and flowmeter 8 divide into again that there are differential pressure formula flowmeter, rotameter, throttle formula flowmeter, slit flowmeter, volumetric flowmeter, electromagnetic flowmeter, ultrasonic flowmeter etc.. Classifying according to media: liquid flow meters and gas flow meters. The utility model discloses what generally adopted is throttle formula flowmeter.
As a first implementation mode, on the basis of satisfying above-mentioned condition, the utility model discloses water quality monitoring device includes conductivity sensor, solenoid valve 9 and online conductivity settlement interface, and conductivity sensor sets up inside the washing jar, and solenoid valve 9 sets up on overflow arrangement's outlet conduit, and online conductivity settlement interface is connected with conductivity sensor, sets up the outside at the washing jar.
The utility model discloses the conductivity sensor who uses in is the conductivity sensor who uses commonly among the prior art, and the conductivity sensor technique is a very important engineering technical research field for measure the conductivity of liquid, by the wide application in human production life, become a detection and monitoring devices essential in industrial production and the technical development such as electric power, chemical industry, environmental protection, food, semiconductor industry, ocean research and development. The conductivity sensor is mainly used for measuring and detecting industrial production water, human domestic water, sea water characteristics, electrolyte properties in the battery and the like.
Conductivity sensors can be classified into electrode type conductivity sensors, inductive type conductivity sensors, and ultrasonic conductivity sensors according to the measurement principle and method. The electrode type conductivity sensor adopts a resistance measurement method according to an electrolytic conduction principle. The conductivity is measured, and a conductivity measuring electrode of the conductivity measuring electrode is represented as a complex electrochemical system in the measuring process; the inductive conductivity sensor realizes the measurement of the liquid conductivity according to the electromagnetic induction principle; ultrasonic conductivity sensors measure conductivity based on changes in the liquid by ultrasonic waves, of which the former 2 sensors are most widely used.
Preferably, the washing cylinder is divided into three lattices by a washing tank partition plate 14, namely a first-stage washing tank 3, a second-stage washing tank 4 and a third-stage washing tank 6, and the conductivity sensor is arranged at any position in the third-stage washing tank 6; the conductivity sensor can be fixed or movably arranged inside the three-stage rinsing bath 6. The measurement can be conveniently carried out, and the measurement can also be conveniently taken out for replacement or calibration.
As the second kind of embodiment, on the basis that satisfies above-mentioned condition, water quality monitoring device includes pH value sensor, solenoid valve 9 and sets for the monitoring interface on line, sets up the monitoring interface on line and is connected with pH value sensor, sets up the outside at the washing jar.
The pH value sensor is a high intelligent on-line continuous monitor and consists of two parts, namely a sensor and a secondary meter. Three or two composite electrodes can be matched to meet various use places. The pH value measuring device is matched with pure water and ultrapure water electrodes, and can be suitable for measuring the pH value of water with the conductivity of less than 3 mu s/cm (such as chemical make-up water, saturated steam, condensed water and the like).
The pH value sensor can measure the pH value in a large-scale reaction tank or a process pipeline; high temperature sterilization and CIP cleaning; the length of the electrode can be selected from 120, 150, 220, 250, 450mm and the like. pH measurements for a variety of applications, such as: the pH value of wastewater and sewage occasions, the pH value of electroplating wastewater occasions, the pH value of high-temperature occasions, the pH value of fermentation occasions, the pH value of high-pressure occasions and other occasions.
When the pH sensor is used, a stainless steel protective sleeve is usually added on the pH sensor, and then the pH sensor is inserted into a water washing tank. As most pH sensors have a temperature compensation system. Since the electrode contents change with time or with autoclaving, calibration is required after a period of use, i.e. calibration with a standard pH buffer. Generally, the measurement range of the pH sensor is 0-14, the precision is +/-0.05-0.1, the response time is several seconds to tens of seconds, and the sensitivity is 0.1.
Preferably, the washing cylinder is divided into three lattices by a washing tank partition plate 14, namely a first-stage washing tank 3, a second-stage washing tank 4 and a third-stage washing tank 6, and the pH value sensor is arranged at any position in the third-stage washing tank 6; the pH value sensor can be fixed or movably arranged in the three-stage rinsing bath 6. The measurement can be conveniently carried out, and the measurement can also be conveniently taken out for replacement or calibration.
A PCB board washing device comprises a washing cylinder, a transmission device, a spraying device and any one overflow device of the PCB board washing cylinder; the transmission device is arranged in the washing cylinder, and the washing nozzle 5 in the spraying device is arranged right above the transmission device. Overflow arrangement sets up in the outside of washing jar, and overflow arrangement's 7 positions of water inlet are higher than overflow mouth 1 positions. Thereby ensuring that the flushing liquid does not soak the PCB board on the transport device.
The transmission device comprises a plurality of groups of rollers 2 which rotate continuously, and each group comprises an upper roller and a lower roller which rotate forwards relatively; the number of groups is adjusted according to the length of the washing cylinder and is arranged right above the first-stage to third-stage washing tanks 6.
The forward rotation of the roller 2 is determined according to the transmission direction of the transmission PCB board, and the roller rotates from the first-stage rinsing bath 3 to the second-stage rinsing bath 4 and the third-stage rinsing bath 6 in sequence.
The spraying device comprises a spraying pump 16 and a water washing spray head 5, and the water washing spray head 5 is arranged right above and/or right below the conveying device. The washing nozzles 5 can be distributed in a staggered manner from top to bottom or in a facing manner, the number of the nozzles can be determined according to the spraying area of the washing nozzles 5, and the size and the spraying pressure of the washing nozzles 5 can be determined according to the cross-sectional area of the PCB. The water washing nozzle 5 is connected with a spray pump 16, and the pressure of the water washing nozzle 5 is adjusted through the spray pump 16.
The utility model discloses PCB board washing device working process does: the PCB is sequentially transmitted from a first-level rinsing tank 3 to a second-level rinsing tank 4 and a third-level rinsing tank 6 from left to right through a transmission device in a rotating mode, in the transmission process, a spray pump 16 takes water from a rinsing cylinder and sends the water to a rinsing nozzle 5, the rinsing nozzle 5 respectively rinses the PCB from the upper direction and the lower direction, a water inlet 7 replenishes the water in the rinsing cylinder and changes the water, an overflow port 1 discharges the liquid overflowing from the rinsing cylinder, a circulation process of replacing the liquid is ensured, when a water quality monitoring sensor 13 in a water quality monitoring device senses that the water quality in the rinsing cylinder is lower than a detection standard, a solenoid valve 9 is closed, a water inlet system stops supplying the water, when the water quality monitoring sensor 13 senses that the water quality in the rinsing cylinder is equal to or higher than the detection standard, the solenoid valve 9 is opened, the water inlet system is opened to supply the water in the rinsing cylinder, and sewage is discharged into a sewage pipe 15 from the, the water in the washing tank is replaced until the water is lower than the detection standard value of the water quality monitoring sensor 13.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses an increase a water quality monitoring inductor 13, solenoid valve 9 and also the online settlement interface 10 that water quality monitoring inductor 13 connects in original overflow arrangement for original overflow arrangement can control it through water quality monitoring inductor 13's testing result and open and stop, and water quality monitoring inductor 13 can detect out the quality of water of liquid in the washing jar immediately, thereby monitors the cleanliness of being washed the PCB board. As a further improvement, the water quality monitoring sensor 13 is arranged in the last rinsing bath of the rinsing assembly line, and can detect the final cleanliness of the PCB immediately.
To sum up, the utility model has the advantages of simple structure and reasonable design, detect the PCB board washing overflow arrangement who confirms to open and stop through the electric conductivity concentration detection value to liquid in the wash bowl or the measured value of pH value to reach the purpose of using water wisely.
The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.
Claims (9)
1. An overflow device of a PCB board washing tank comprises a water inlet, an overflow port and a water inlet system, wherein the water inlet is connected with the water inlet system through a pipeline, and the overflow port is connected with an external blow-off pipe through a pipeline; the overflow port is arranged in the washing tank and is lower than all washing nozzles, and the water inlet is arranged in the washing tank and is lower than the liquid level in normal operation; the method is characterized in that: the water quality monitoring device comprises a water quality monitoring sensor, an electromagnetic valve and an online control interface; the electromagnetic valve is arranged on a connecting pipeline between the water inlet and the water inlet system, and the water quality monitoring device controls the start and stop of the water inlet of the overflow device through the water quality monitoring sensor.
2. The overflow apparatus of PCB board washing cylinder of claim 1, wherein: and a flow meter is also arranged between the electromagnetic valve and the water inlet.
3. The overflow apparatus of PCB board washing cylinder of claim 1, wherein: the water quality monitoring device comprises a conductivity sensor, an electromagnetic valve and an online conductivity setting interface, wherein the conductivity sensor is arranged inside the washing tank, the electromagnetic valve is arranged on a water inlet pipeline of the overflow device, and the online conductivity setting interface is connected with the conductivity sensor and arranged outside the washing tank.
4. The overflow apparatus of PCB board washing cylinder of claim 3, wherein: the washing cylinder is divided into three grids through a partition plate of the washing tank, namely a first-stage washing tank, a second-stage washing tank and a third-stage washing tank, and the conductivity sensor is arranged at any position in the third-stage washing tank.
5. The overflow apparatus of PCB board washing cylinder of claim 1, wherein: the water quality monitoring device comprises a pH value sensor, an electromagnetic valve and an online setting monitoring interface, wherein the online setting monitoring interface is connected with the pH value sensor and arranged outside the washing tank.
6. The overflow apparatus of PCB board washing cylinder of claim 5, wherein: the water washing cylinder is divided into three grids through a water washing tank partition plate, namely a first-level water washing tank, a second-level water washing tank and a third-level water washing tank, and the pH value sensor is arranged at any position in the third-level water washing tank.
7. A PCB board washing device, comprising a washing cylinder, a transmission device, a spraying device and the PCB board washing cylinder overflow device of any one of the claims 1 to 5; the conveying device is arranged in the washing cylinder, and the washing nozzle in the spraying device is arranged right above the conveying device.
8. The PCB washing apparatus of claim 7, wherein: the transmission device comprises a plurality of groups of rollers which rotate continuously, and each group comprises an upper roller and a lower roller which rotate forwards relatively; the number of groups is adjusted according to the length of the washing cylinder and is arranged right above the first-level to third-level washing tanks.
9. The PCB washing apparatus of claim 7, wherein: the spraying device comprises a spraying pump and a washing spray head, and the washing spray head is arranged right above and/or right below the transmission device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921870562.6U CN211359783U (en) | 2019-11-01 | 2019-11-01 | PCB board washing jar overflow arrangement and PCB board washing device who constitutes thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921870562.6U CN211359783U (en) | 2019-11-01 | 2019-11-01 | PCB board washing jar overflow arrangement and PCB board washing device who constitutes thereof |
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| Publication Number | Publication Date |
|---|---|
| CN211359783U true CN211359783U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921870562.6U Active CN211359783U (en) | 2019-11-01 | 2019-11-01 | PCB board washing jar overflow arrangement and PCB board washing device who constitutes thereof |
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| CN (1) | CN211359783U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112871827A (en) * | 2020-12-29 | 2021-06-01 | 江西威力固智能设备有限公司 | Overflow washing machine equipment |
-
2019
- 2019-11-01 CN CN201921870562.6U patent/CN211359783U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112871827A (en) * | 2020-12-29 | 2021-06-01 | 江西威力固智能设备有限公司 | Overflow washing machine equipment |
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