A micro-etchant automatic adding device

Abstract

The utility model discloses a kind of microetching agent automatic adding device, it is related to the field of chemicals adding technique in electroplating process, it includes storage tank, the side of the storage tank is equipped with two production line pool body, the side of the storage tank is equipped with two metering pumps, metering pump and production line pool body one to one correspondence, metering pump is communicated with pipeline, the both ends of metering pump are communicated with storage tank and corresponding production line pool body respectively by pipeline, the side of the storage tank is equipped with conveying part, conveying part is used to send liquid to storage tank. The present application has the effect of improving the stability of microetching effect.

Description

Technical Field

[0001] This utility model relates to the field of chemical addition technology in electroplating processes, and in particular to an automatic micro-etchant addition device. Background Technology

[0002] Micro-etching plays a crucial role in numerous industrial fields, including electronic circuit board manufacturing and metal surface treatment. Micro-etching effectively improves the physical and chemical properties of material surfaces, enhances the adhesion and bonding strength of subsequent processing steps, and thus improves the overall performance and quality of products. With the rapid development of the manufacturing industry and the continuous improvement of product quality requirements, the application of micro-etching agents in micro-etching processes is becoming increasingly widespread.

[0003] In existing micro-etchant addition processes, manual operation is typically employed. Operators, relying on experience and measuring tools, measure an appropriate amount of micro-etchant from the storage container and then pour it into the production line tank. Alternatively, simple flow control devices are used, adjusting the valve opening to control the flow rate of the micro-etchant.

[0004] Regarding the aforementioned technologies, manual addition not only consumes a lot of manpower and time, increasing production costs, but also makes it difficult to guarantee the accuracy and stability of the addition amount each time due to human factors, which can easily lead to fluctuations in the micro-etching effect. Utility Model Content

[0005] To improve the stability of micro-etching effects, this application provides an automatic micro-etching agent addition device.

[0006] This application provides an automatic micro-etchant addition device, which adopts the following technical solution: An automatic micro-etching agent dosing device includes a storage tank, two production line pools on one side of the storage tank, and two metering pumps on one side of the storage tank. Each metering pump corresponds to one of the production line pools. The metering pumps are connected to pipes, and both ends of the metering pumps are connected to the storage tank and the corresponding production line pools through pipes, respectively. A conveying component is provided on one side of the storage tank for conveying liquid to the storage tank.

[0007] By adopting the above technical solution, two metering pumps correspond to two production line pools respectively, enabling independent control of the amount of etching agent added to different production line pools, thus improving production flexibility and adaptability. A conveyor located on one side of the storage tank continuously supplies liquid to the tank, ensuring a constant supply of etching agent and reducing the risk of metering pump malfunction due to insufficient etching agent in the storage tank. This guarantees a continuous and stable addition of etching agent to the production line pools, maintaining the continuity of the production process. The metering pumps are connected to both the storage tank and the production line pools via pipelines, allowing for precise control of the amount of etching agent added from the storage tank to each production line pool. This helps ensure that the concentration of etching agent in each production line pool remains stable within an appropriate range, reducing the probability of excessive or insufficient addition and improving the stability of the etching effect.

[0008] Optionally, the delivery components include a medicine container, a connecting pipe, and an automatic valve. The medicine container is located on one side of the storage tank, the connecting pipe is located between the medicine container and the storage tank, and the medicine container is connected to the storage tank through the connecting pipe. The automatic valve is located at one end of the connecting pipe and is used to control the flow of liquid in the medicine container to the storage tank.

[0009] By adopting the above technical solution, when the micro-etchant in the storage tank decreases to a certain level due to continuous addition to the production line tank, the liquid in the medicine tank can be transferred to the storage tank through the connecting pipe, providing a stable replenishment source for the storage tank. This design ensures that there is always sufficient micro-etchant in the storage tank, guaranteeing that the automatic micro-etchant adding device can continuously and stably supply micro-etchant to the production line tank, avoiding production interruptions due to insufficient liquid in the storage tank. An automatic valve installed at one end of the connecting pipe plays a crucial role in precisely controlling the liquid flow direction and flow rate. By adjusting the opening of the automatic valve, the flow rate of micro-etchant from the medicine tank to the storage tank can be precisely controlled.

[0010] Optionally, a filter screen is fixed inside the connecting pipe to prevent impurities in the medicine container from flowing into the storage tank.

[0011] By adopting the above technical solution, various impurities may be mixed into the micro-etching agent in the medicine container during storage, transportation or production. The filter screen can effectively intercept these impurities and reduce the probability of impurities flowing into the storage tank with the micro-etching agent solution.

[0012] Optionally, an internal circulation pump is provided on one side of the storage tank, and both ends of the internal circulation pump are connected to circulation pipes. The end of the circulation pipe away from the internal circulation pump is connected to the storage tank.

[0013] By adopting the above technical solution, once the internal circulation pump is turned on, it will cause the solution to continuously circulate within the storage tank. The various chemical components in the micro-etchant can be fully mixed during the circulation process, reducing sedimentation caused by prolonged settling and ensuring that the micro-etchant solution taken from the storage tank has a uniform composition, thus guaranteeing accurate addition to the production line tank.

[0014] Optionally, a pressure sensor is installed inside the pipeline. The pressure sensor is electrically connected to the metering pump and is used to detect the pressure inside the pipeline.

[0015] By adopting the above technical solution, the pressure sensor can monitor the pressure changes in the pipeline in real time and feed the pressure data back to the metering pump. When the pressure in the pipeline changes due to variations in the flow rate of the micro-corrosion agent, the metering pump can automatically adjust its speed based on the signal from the pressure sensor, reducing the probability of pipeline rupture due to excessive pressure and improving the stability of the device.

[0016] Optionally, a high-level sensor and a low-level sensor are fixedly installed inside the storage tank. The high-level sensor is located above the low-level sensor. Both the high-level sensor and the low-level sensor are used to detect changes in the liquid level inside the storage tank. An alarm is fixedly installed on the outside of the storage tank. The alarm is electrically connected to the high-level sensor and the low-level sensor. When the high-level sensor or the low-level sensor detects that the liquid is at a critical value, the alarm will sound an alarm.

[0017] By adopting the above technical solution, the high-level sensor is installed near the top of the storage tank. When the micro-etchant liquid is continuously added to the tank and the liquid level rises to the critical value set by the high-level sensor, the sensor will immediately detect this change and transmit a signal to the alarm. The alarm will then sound, and the automatic valve will close, stopping the supply of micro-etchant from the medicine tank to the storage tank. When the micro-etchant in the tank decreases due to continuous supply to the production line pool and the liquid level drops to the critical value of the low-level sensor, the low-level sensor will trigger the alarm, the automatic valve will open, and the medicine tank will supply micro-etchant to the storage tank.

[0018] Optionally, a one-way valve is fixed at one end of the pipeline. When the liquid flows from the storage tank to the production line pool, the one-way valve is used to reduce the probability of liquid backflow.

[0019] By adopting the above technical solution, the one-way valve can ensure that liquid can only flow from the storage tank to the production line pool in one direction, reducing liquid backflow caused by pressure changes, equipment failures, etc., thereby ensuring the stability and continuity of liquid supply in the production line pool.

[0020] Optionally, a transfer pump is fixedly installed on the side of the storage tank near the metering pump. The two ends of the transfer pump are connected to the storage tank and the production line pool respectively. A water outlet valve is provided on one side of the production line pool to control the liquid from flowing out of the production line pool.

[0021] By adopting the above technical solution, when cleaning the production line tank, the outlet valve is opened to allow the micro-etching agent in the production line tank to flow out quickly. After cleaning is completed, the mobile pump is started to quickly deliver new micro-etching agent to the production line tank, improving the ease of use of the device.

[0022] Optionally, an ultrasonic transducer is provided at the bottom of the storage tank, and the output shaft of the ultrasonic transducer is fixedly connected to the center position of the bottom of the storage tank.

[0023] By adopting the above technical solution, the high-frequency vibration generated by the ultrasonic transducer can be transmitted to the entire liquid, causing the liquid molecules to move violently, breaking the layered state caused by long-term storage of the micro-etchant, allowing the liquid of different layers to mix fully, and ensuring the uniformity of the liquid composition.

[0024] In summary, this application includes at least one of the following beneficial technical effects: 1. Metering pumps, connected via pipelines to both the storage tank and the production line pool, allow for precise control of the amount of etching agent added from the storage tank to each production line pool. This helps ensure that the concentration of etching agent in each production line pool remains stable within an appropriate range, reducing the probability of excessive or insufficient addition of etching agent and improving the stability of the etching effect. 2. Once the internal circulation pump is turned on, it will cause the solution to continuously circulate within the storage tank. This ensures that the various chemical components in the etching agent are fully mixed during circulation, reducing precipitation caused by prolonged settling and ensuring that the etching agent solution taken from the storage tank has a uniform composition. 3. When cleaning the production line tank, open the outlet valve to allow the micro-etching agent in the production line tank to flow out quickly. After cleaning, start the mobile pump to quickly deliver new micro-etching agent to the production line tank, improving the ease of use of the device. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of an automatic micro-etching agent addition device.

[0026] Figure 2 This is a schematic diagram designed to highlight the connection structure of the production line pool.

[0027] Figure 3 This is a cross-sectional schematic diagram designed to highlight the connection structure of the medicine container.

[0028] Explanation of reference numerals in the attached diagram: 1. Storage tank; 11. Metering pump; 12. Pipeline; 13. Internal circulation pump; 131. Circulation pipe; 14. Pressure sensor; 15. High level sensor; 16. Low level sensor; 17. Alarm; 18. Check valve; 19. Ultrasonic transducer; 2. Production line tank; 21. Outlet valve; 22. Transfer pump; 3. Medicine tank; 31. Connecting pipe; 32. Automatic valve; 33. Filter screen. Detailed Implementation

[0029] The present application will be further described in detail below with reference to all the accompanying drawings.

[0030] This application discloses an automatic micro-etchant addition device. Example

[0031] Reference Figure 1 and Figure 2 An automatic micro-etching agent addition device includes a storage tank 1, with two production line pools 2 on one side of the storage tank 1. Two metering pumps 11 are fixedly installed on the side of the storage tank 1 near the production line pools 2. Both ends of the metering pumps 11 are connected to pipes 12. The metering pumps 11 are connected to the storage tank 1 and the production line pools 2 through the pipes 12. When micro-etching agent is added to the production line pools 2, the metering pumps 11 can precisely control the amount of micro-etching agent added from the storage tank 1 to each production line pool 2. This helps to ensure that the concentration of micro-etching agent in each production line pool 2 is stable within a suitable range, reduces the probability of adding too much or too little micro-etching agent, and improves the stability of the micro-etching effect.

[0032] Reference Figure 1 and Figure 2 Two metering pumps 11 correspond to two production line tanks 2 respectively, enabling independent control of the amount of micro-etching agent added to different production line tanks 2. If the two production line tanks 2 have different requirements for the amount of micro-etching agent, or if the product specifications are different and require different concentrations of micro-etching agent, this independent control method can flexibly meet the production requirements of different production lines, improving the flexibility and adaptability of production.

[0033] Reference Figure 1 and Figure 3 Some of the storage tanks 1 are equipped with medicine tanks 3, which are connected to the storage tanks 1 by a connecting pipe 31. When the micro-etchant in the storage tank 1 decreases to a certain level due to continuous addition to the production line tank 2, the liquid in the medicine tank 3 can be transferred to the storage tank 1 through the connecting pipe 31, providing a stable replenishment source for the storage tank 1. This design ensures that there is always enough micro-etchant in the storage tank 1, guaranteeing that the automatic micro-etchant adding device can continuously and stably supply micro-etchant to the production line tank 2, avoiding production interruptions due to insufficient liquid in the storage tank 1.

[0034] Reference Figure 3 An automatic valve 32 is installed at one end of the connecting pipe 31, and a liquid level sensor is installed inside the storage tank 1. The automatic valve 32 is electrically connected to the liquid level sensor to achieve automated control. When the liquid level sensor in the storage tank 1 detects that the liquid level has reached below the set value, the micro-corrosion agent in the medicine tank 3 flows into the storage tank 1 through the connecting pipe 31 under its own gravity. When the liquid level reaches the set upper limit, the automatic valve 32 automatically closes, stopping the replenishment. This automatic response mechanism greatly improves the automation level of the device, reduces manual intervention, and lowers the labor intensity of operators.

[0035] Reference Figure 3 The liquid level sensor includes a high-level sensor 15 and a low-level sensor 16. The high-level sensor 15 is located above the low-level sensor 16. An alarm 17 is fixed to the outside of the storage tank 1, and the alarm 17 is electrically connected to the liquid level sensor. When the micro-etchant liquid in the tank is continuously added and the liquid level rises to the critical value set by the high-level sensor 15, the high-level sensor 15 will immediately detect this change and transmit a signal to the alarm 17. The alarm 17 will then sound an alarm, allowing the staff to be aware of the liquid level situation in a timely manner. At the same time, the automatic valve 32 will close, and the medicine tank 3 will stop supplying micro-etchant to the storage tank 1. When the micro-etchant in the tank decreases due to the continuous supply to the production line pool 2, and the liquid level drops to the critical value of the low-level sensor 16, the low-level sensor 16 will trigger the alarm 17, the automatic valve 32 will open, and the medicine tank 3 will supply micro-etchant to the storage tank 1.

[0036] Reference Figure 3 A filter screen 33 is fixed inside the connecting pipe 31. During storage, transportation or production, various impurities may be mixed into the micro-etching agent in the medicine tank 3. If the solution contains impurities during the micro-etching process, it may cause inconsistent etching rates and uneven etching. The filter screen 33 can effectively intercept these impurities and reduce the probability of impurities flowing into the storage tank 1 with the micro-etching agent solution.

[0037] Reference Figure 2 One end of the pipeline 12 is fixed with a one-way valve 18. When the liquid flows from the storage tank 1 to the production line pool 2, if backflow occurs, these dangerous liquids may flow back to the storage tank 1 or other inappropriate areas, causing safety accidents. The one-way valve 18 can ensure that the liquid can only flow from the storage tank 1 to the production line pool 2 in one direction, reducing backflow caused by pressure changes, equipment failures, etc., thereby ensuring the stability and continuity of the liquid supply in the production line pool 2.

[0038] Reference Figure 1 An internal circulation pump 13 is installed on one side of the storage tank 1. Both ends of the internal circulation pump 13 are connected to circulation pipes 131. The end of the circulation pipe 131 away from the internal circulation pump 13 is connected to the storage tank 1. When the internal circulation pump 13 is turned on, it will cause the solution to continuously flow and circulate in the storage tank 1. The various chemical components in the micro-etchant can be fully mixed during the circulation process, reducing precipitation caused by long-term standing, and ensuring that the micro-etchant solution taken from the storage tank 1 has a uniform composition, which provides a guarantee for accurate addition to the production line tank 2.

[0039] Reference Figure 2The bottom of the storage tank 1 is equipped with an ultrasonic transducer 19. The output shaft of the ultrasonic transducer 19 is fixedly connected to the bottom of the storage tank. The high-frequency vibration generated by the ultrasonic transducer 19 can be transmitted to the entire liquid, causing the liquid molecules to move violently, breaking the layered state caused by long-term storage of the micro-etchant, allowing the liquids of different layers to mix fully, and further improving the uniformity of the liquid composition.

[0040] Reference Figure 2 A pressure sensor 14 is installed inside the pipeline 12. The pressure sensor 14 is electrically connected to the metering pump 11. The pressure sensor 14 can monitor the pressure changes inside the pipeline 12 in real time and feed the pressure data back to the metering pump 11. When the pressure inside the pipeline 12 changes due to the change in the flow rate of the micro-etching agent, the metering pump 11 can automatically adjust its speed according to the signal transmitted by the pressure sensor 14, reducing the probability of the pipeline 12 rupturing due to excessive pressure and improving the stability of the device.

[0041] Reference Figure 2 A water outlet valve 21 is provided on one side of the production line tank 2. When cleaning the production line tank 2, the water outlet valve 21 is opened to allow the micro-etching agent in the production line tank 2 to flow out quickly, which facilitates the cleaning of the production line tank 2. A transfer pump 22 is fixedly installed on the side of the storage tank 1 near the metering pump 11. The two ends of the transfer pump 22 are connected to the storage tank 1 and the two production line tanks 2 respectively. After cleaning, the transfer pump is started to quickly deliver new micro-etching agent to the production line tank 2, which improves the convenience of using the device.

[0042] The implementation principle of the automatic micro-etching agent addition device in this application embodiment is as follows: the liquid in the medicine tank 3 can be transported to the storage tank 1 through the connecting pipe 31, providing a stable replenishment source for the storage tank 1, ensuring that the automatic micro-etching agent addition device can continuously and stably supply micro-etching agent to the production line pool 2. When the production line pool 2 is working, the micro-etching agent in the production line pool 2 gradually decreases. The metering pump 11 is connected to the storage tank 1 and the production line pool 2 through the pipeline 12, automatically transporting the micro-etching agent in the storage tank 1 to the production line pool 2. It can accurately control the amount of micro-etching agent added from the storage tank 1 to each production line pool 2, reduce the probability of adding too much or too little micro-etching agent, and improve the stability of the micro-etching effect.

[0043] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An automatic micro-etchant dispensing device, comprising a storage tank (1), characterized in that: Two production line pools (2) are provided on one side of the storage tank (1). Two metering pumps (11) are provided on one side of the storage tank (1). The metering pumps (11) correspond one-to-one with the production line pools (2). The metering pumps (11) are connected to pipes (12). The two ends of the metering pumps (11) are connected to the storage tank (1) and the corresponding production line pools (2) through pipes (12). A conveying component is provided on one side of the storage tank (1). The conveying component is used to convey liquid to the storage tank (1).

2. The automatic micro-etchant adding device according to claim 1, characterized in that: The conveying component includes a medicine tank (3), a connecting pipe (31), and an automatic valve (32). The medicine tank (3) is located on one side of the storage tank (1), the connecting pipe (31) is located between the medicine tank and the storage tank (1), and the medicine tank (3) is connected to the storage tank (1) through the connecting pipe (31). The automatic valve (32) is located at one end of the connecting pipe (31) and is used to control the flow of liquid in the medicine tank to the storage tank (1).

3. The automatic micro-etchant adding device according to claim 2, characterized in that: The connecting pipe (31) is equipped with a filter screen (33), which is used to prevent impurities in the medicine container (3) from flowing into the storage tank (1).

4. The automatic micro-etchant adding device according to claim 1, characterized in that: An internal circulation pump (13) is provided on one side of the storage tank (1). Both ends of the internal circulation pump (13) are connected to circulation pipes (131). The end of the circulation pipe (131) away from the internal circulation pump (13) is connected to the storage tank (1).

5. The automatic micro-etchant adding device according to claim 1, characterized in that: A pressure sensor (14) is installed inside the pipe (12). The pressure sensor (14) is electrically connected to the metering pump (11). The pressure sensor (14) is used to detect the pressure inside the pipe (12).

6. The automatic micro-etchant adding device according to claim 1, characterized in that: The storage tank (1) is equipped with a high liquid level sensor (15) and a low liquid level sensor (16). The high liquid level sensor (15) is located at the upper end of the low liquid level sensor (16). Both the high liquid level sensor (15) and the low liquid level sensor (16) are used to detect the liquid level change in the storage tank (1). An alarm (17) is equipped on the outside of the storage tank (1). The alarm (17) is electrically connected to the high liquid level sensor (15) and the low liquid level sensor (16). When the high liquid level sensor (15) or the low liquid level sensor (16) detects that the liquid is at the critical value, the alarm (17) will sound an alarm.

7. The automatic micro-etchant adding device according to claim 1, characterized in that: One end of the pipe (12) is fixed with a one-way valve (18). When the liquid flows from the storage tank (1) to the production line pool (2), the one-way valve (18) is used to reduce the probability of liquid backflow.

8. The automatic micro-etchant adding device according to claim 1, characterized in that: A transfer pump (22) is fixedly installed on the side of the storage tank (1) near the metering pump (11). The two ends of the transfer pump (22) are connected to the storage tank (1) and the production line pool (2) respectively. A water outlet valve (21) is provided on one side of the production line pool (2). The water outlet valve (21) is used to control the liquid to flow out of the production line pool (2).

9. The automatic micro-etchant adding device according to claim 1, characterized in that: The storage tank (1) is equipped with an ultrasonic transducer (19) at the bottom, and the output shaft of the ultrasonic transducer (19) is fixedly connected to the center position of the bottom of the storage tank.

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