An electroplating tank filtration device

Abstract

This utility model discloses an electroplating tank filtration device, relating to the field of electroplating technology. It includes multiple pipes, each comprising an inlet pipe, an outlet pipe, a pressure relief pipe, and an impurity collection pipe. One end of each pipe is fixedly connected. A filter body is installed inside the outlet pipe, and a fine-tuning pressure-maintaining mechanism is located on the outside of the filter body. A coarse pressure-maintaining mechanism is installed inside the pressure relief pipe. This utility model, by combining the coarse and fine-tuning pressure-maintaining mechanisms, allows for significant pressure relief when the pressure is too high. The fine-tuning pressure-maintaining mechanism automatically adjusts the pressure through the pressure-maintaining chamber and components when the pressure changes, precisely maintaining the pressure in the outlet pipe, protecting the filter body, ensuring stable filtration of the electroplating solution, improving product quality, and thus meeting the needs of electroplating production.

Description

Technical Field

[0001] This utility model relates to the field of electroplating technology, specifically an electroplating tank filtration device. Background Technology

[0002] In electroplating, the purity of the plating solution plays a crucial role in the plating quality. With the development of the electroplating industry, the performance requirements for electroplating tank filtration devices are also increasing. However, existing electroplating tank filtration devices have many shortcomings.

[0003] During prolonged filtration, pressure imbalances can easily occur on both sides of the filter element due to clogging or other factors, potentially damaging the filter element and affecting its filtration efficiency and lifespan. Once the filter element is damaged, impurities in the electroplating solution cannot be effectively intercepted, thus affecting the quality of the electroplated products and increasing the defect rate.

[0004] Therefore, it is necessary to design a mechanism that can adjust the pressure of the environment in which the filter is located to ensure that the filter can be used safely and normally. Utility Model Content

[0005] This invention provides an electroplating tank filtration device that solves the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] An electroplating tank filtration device includes multiple pipes, each including an inlet pipe, an outlet pipe, a pressure relief pipe, and an impurity collection pipe, with one end of each pipe fixedly connected.

[0008] The liquid outlet pipe is equipped with a filter body, and the outside of the filter body is equipped with a fine-adjustment pressure-maintaining mechanism. The pressure relief pipe is equipped with a coarse pressure-maintaining mechanism.

[0009] The coarse pressure holding mechanism includes a return liquid channel disposed in the outlet pipe, the output end of the return liquid channel is fixedly connected to the return liquid pipe, and the return liquid pipe is connected to the input end of the inlet pipe;

[0010] The fine-tuning pressure-holding mechanism includes a closed outer shell disposed outside the filter body, the filter body and the closed outer shell being sealed together, the closed outer shell being embedded in the liquid outlet pipe, a pressure-holding cover being fixedly disposed on the outside of the closed outer shell, a pressure-holding cavity being disposed between the pressure-holding cover and the closed outer shell, and a plurality of fine-tuning pressure-holding components being fixedly disposed on the pressure-holding cover.

[0011] The pressure-holding chamber is filled with fluorosilicone oil;

[0012] As a preferred technical solution of this utility model, the fine-tuning pressure-holding assembly includes a cylindrical member with one end open, which is connected to the pressure-holding cavity. A telescopic member is provided inside the cylindrical member, and the telescopic end of the telescopic member is connected to a piston, which is slidably disposed inside the cylindrical member.

[0013] As a preferred embodiment of this utility model, a collection hopper is fixedly provided inside the impurity collection pipe, and a discharge pipe is fixedly connected to the output end of the impurity collection pipe.

[0014] As a preferred technical solution of this utility model, a conveying cover is fixedly provided on the liquid inlet pipe, a conveying motor is fixedly provided on the outside of the conveying cover, an impeller is provided inside the conveying cover, and the output shaft of the conveying motor is coaxially and fixedly connected to the impeller.

[0015] As a preferred embodiment of this invention, the enclosed shell is made of nickel-titanium alloy.

[0016] As a preferred embodiment of this utility model, an electro-hydraulic actuator is fixedly provided at the end of the pressure relief pipe, and a sealing member is fixedly provided at the telescopic end of the electro-hydraulic actuator, with the sealing member extending into the return fluid channel.

[0017] The present invention has the following advantages: By setting up a coarse pressure holding mechanism and a fine-adjustment pressure holding mechanism, when the pressure is too high, the coarse pressure holding mechanism opens the return liquid channel to significantly release pressure, and the fine-adjustment pressure holding mechanism automatically fine-adjusts through the pressure holding chamber and components when the pressure changes, accurately maintaining the pressure of the liquid outlet pipe, protecting the filter body, ensuring stable filtration of electroplating solution, improving product quality, and thus meeting the needs of electroplating production. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the electroplating tank filtration device.

[0019] Figure 2 This is a three-dimensional cross-sectional view of the electroplating tank filtration device.

[0020] Figure 3 This is a cross-sectional view of the outlet pipe in the electroplating tank filtration device.

[0021] In the diagram: 1. Inlet pipe; 2. Outlet pipe; 3. Pressure relief pipe; 4. Impurity collection pipe; 5. Conveying cover; 6. Conveying motor; 7. Pressure holding cover; 8. Fine-tuning pressure holding assembly; 9. Return pipe; 10. Electro-hydraulic actuator; 11. Impurity discharge pipe; 12. Impeller; 13. Collection hopper; 14. Enclosed outer shell; 15. Filter body; 16. Return channel; 17. Cylindrical component; 18. Telescopic component; 19. Piston. Detailed Implementation

[0022] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0023] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] Please see Figure 1-3 An electroplating tank filtration device includes multiple interconnected pipes, namely, an inlet pipe 1, an outlet pipe 2, a pressure relief pipe 3, and an impurity collection pipe 4, one end of which is fixedly connected.

[0025] A conveying cover 5 is fixedly installed on the inlet pipe 1. A conveying motor 6 is fixedly installed on the outside of the conveying cover 5. An impeller 12 is installed inside the conveying cover 5. The output shaft of the conveying motor 6 is coaxially and fixedly connected to the impeller 12. During operation, the electroplating solution to be filtered is introduced through the input end of the inlet pipe 1. Under the action of the impeller 12 driven by the conveying motor 6, the electroplating solution enters the outlet pipe 2 through the inlet pipe 1.

[0026] A filter body 15 is installed inside the liquid outlet pipe 2. A fine-tuning pressure-maintaining mechanism is provided on the outside of the filter body 15, while a coarse pressure-maintaining mechanism is provided inside the pressure relief pipe 3.

[0027] The impurity collection pipe 4 is fixedly equipped with a collection hopper 13, and its output end is fixedly connected to the impurity discharge pipe 11. During the filtration process of the electroplating solution, the waste residue will fall into the collection hopper 13 in the impurity collection pipe 4 for collection. The waste residue can be discharged by simply opening the valve on the impurity discharge pipe 11 periodically.

[0028] The coarse pressure holding mechanism includes a return channel 16 located within the outlet pipe 2. The output end of the return channel 16 is fixedly connected to a return pipe 9, which is connected to the input end of the inlet pipe 1. When the pressure in the outlet pipe 2 is too high, the electro-hydraulic actuator 10 retracts, causing the sealing element at its telescopic end to disengage from the return channel 16. The return channel 16 then opens, allowing the electroplating solution to flow from the return channel 16 into the return pipe 9 and back into the inlet pipe 1, achieving significant pressure relief. After pressure relief is complete, the electro-hydraulic actuator 10 resets.

[0029] The filter body 15 is externally fitted with a sealed outer shell 14, which is sealed together and embedded in the outlet pipe 2. A pressure-holding cover 7 is fixedly installed on the outside of the sealed outer shell 14, forming a pressure-holding cavity filled with fluorosilicone oil. Multiple fine-tuning pressure-holding components 8 are fixedly installed on the pressure-holding cover 7. The sealed outer shell 14 is made of nickel-titanium alloy, which deforms under pressure and gradually recovers after the pressure is released. Its fine-tuning pressure-holding component 8 consists of a cylindrical part 17 with one end open, which is connected to the pressure-holding cavity. A telescopic part 18 is provided inside the cylindrical part 17, and the telescopic end of the telescopic part 18 is connected to a piston 19, which can slide inside the cylindrical part 17. As the filter body 15 continues to work, its filtration capacity changes, which in turn causes the speed at which the electroplating solution passes through the filter body 15 to change, resulting in pressure changes in the outlet pipe 2. When the pressure is too high, it can easily cause the filter body 15 to loosen between the filter body 15 and the sealed outer shell 14, and may even damage the filter body 15. In this case, in addition to relieving pressure through the coarse pressure holding mechanism, when the pressure in the outlet pipe 2 increases, the filter body 15 will expand, generating an outward expansion force on the sealed outer shell 14, causing it to deform outward and thus relieving pressure. Simultaneously, the pressure in the pressure holding chamber increases, forcing the telescopic component 18 to contract. Once the pressure in the outlet pipe 2 returns to normal, the telescopic component 18 inside the cylindrical component 17 resets, driving the piston 19 to move, pressurizing the pressure holding chamber, and applying inward pressure to the sealed outer shell 14, causing it to reset.

[0030] The aforementioned telescopic component 18 can be a hydraulic rod.

[0031] Specifically, pressure is sensed using a pressure sensor located inside the outlet pipe 2. The pressure sensor is connected to an external controller, which controls the operation of the electro-hydraulic actuator 10 and the telescopic component 18. A control interface is provided at the end of the cylindrical component 17, which is used to connect to the telescopic component 19.

[0032] In operation, the conveyor motor 6 is started, driving the impeller 12 to rotate. This draws the electroplating solution to be filtered from the inlet end of the inlet pipe 1 and pushes it to the outlet pipe 2. The electroplating solution is then filtered through the filter body 15 in the outlet pipe 2 and discharged, completing the filtration process. During filtration, waste residue in the electroplating solution falls into the collection hopper 13 inside the impurity collection pipe 4 under gravity.

[0033] During the filtration process, the pressure inside the outlet pipe 2 is monitored in real time. When the pressure sensor detects excessive pressure in the outlet pipe 2, the control system issues a command to retract the electro-hydraulic actuator 10, causing the sealing element to disengage from the return channel 16, opening the return channel 16. At this time, the electroplating solution flows from the return channel 16 into the return pipe 9 under pressure, and then flows back into the inlet pipe 1, significantly reducing the pressure inside the outlet pipe 2 and completing the coarse pressure holding operation. When the pressure sensor detects that the pressure inside the outlet pipe 2 has returned to normal, the control system issues a command to reset the electro-hydraulic actuator 10, and the sealing element re-closes the return channel 16.

[0034] Similarly, during the filtration process, as the filter body 15 continues to operate, its filtration capacity changes, leading to a change in the flow rate of the electroplating solution and a change in the pressure inside the outlet pipe 2. When the pressure increases, the filter body 15 expands, generating an outward expansion force on the sealed outer shell 14, causing the sealed outer shell 14 to deform outward and achieve a certain degree of pressure relief. At the same time, the pressure inside the pressure holding chamber increases accordingly, forcing the telescopic component 18 in the fine-tuning pressure holding assembly 8 to contract. When the pressure sensor detects that the pressure inside the outlet pipe 2 has returned to normal, the telescopic component 18 in the fine-tuning pressure holding assembly 8 automatically resets, driving the piston 19 to move and pressurize the pressure holding chamber, thereby applying inward pressure to the sealed outer shell 14, causing the sealed outer shell 14 to return to its initial position, completing the fine-tuning pressure holding operation, ensuring the sealing performance between the filter body 15 and the sealed outer shell 14, and ensuring the normal working condition of the filter body 15.

[0035] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An electroplating tank filtration device, comprising multiple pipes, characterized in that, The multiple pipes include an inlet pipe (1), an outlet pipe (2), a pressure relief pipe (3), and an impurity collection pipe (4), and one end of each of the inlet pipe (1), outlet pipe (2), pressure relief pipe (3), and impurity collection pipe (4) is fixedly connected; The pressure relief pipe (3) is equipped with a coarse pressure holding mechanism; The coarse pressure holding mechanism includes a return channel (16) set in the outlet pipe (2), and a return pipe (9) is fixedly connected to the output end of the return channel (16). The return pipe (9) is connected to the input end of the inlet pipe (1).

2. The electroplating tank filtration device according to claim 1, characterized in that, The outlet pipe (2) is provided with a filter body (15), and a fine-tuning pressure-holding mechanism is provided on the outside of the filter body (15). The fine-tuning pressure-holding mechanism includes a closed shell (14) disposed outside the filter body (15). The filter body (15) and the closed shell (14) are sealed together. The closed shell (14) is embedded in the outlet pipe (2). A pressure-holding cover (7) is fixedly provided on the outside of the closed shell (14). A pressure-holding cavity is provided between the pressure-holding cover (7) and the closed shell (14). Multiple fine-tuning pressure-holding components (8) are fixedly provided on the pressure-holding cover (7). The pressure-holding cavity is filled with fluorosilicone oil.

3. The electroplating tank filtration device according to claim 2, characterized in that, The fine-tuning pressure holding assembly (8) includes a cylindrical part (17) with one end open. The cylindrical part (17) is connected to the pressure holding chamber. A telescopic part (18) is provided inside the cylindrical part (17). The telescopic end of the telescopic part (18) is connected to a piston (19). The piston (19) is slidably disposed inside the cylindrical part (17).

4. The electroplating tank filtration device according to claim 1, characterized in that, The impurity collection pipe (4) is fixedly provided with a collection hopper (13), and the output end of the impurity collection pipe (4) is fixedly connected with a discharge pipe (11).

5. The electroplating tank filtration device according to claim 1, characterized in that, The inlet pipe (1) is fixedly provided with a conveying cover (5), and a conveying motor (6) is fixedly provided outside the conveying cover (5). An impeller (12) is provided inside the conveying cover (5), and the output shaft of the conveying motor (6) is coaxially and fixedly connected to the impeller (12).

6. The electroplating tank filtration device according to claim 2, characterized in that, The enclosed shell (14) is made of nickel-titanium alloy.

7. The electroplating tank filtration device according to claim 1, characterized in that, The end of the pressure relief pipe (3) is fixedly provided with an electro-hydraulic actuator (10), and the telescopic end of the electro-hydraulic actuator (10) is fixedly provided with a sealing member, which extends into the return fluid channel (16).

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