A silver-zinc metallization film plating solution circulating and filtering device

Abstract

This utility model discloses a circulating filtration device for silver-zinc metallization film plating solution, relating to the field of electroplating solution filtration technology. The utility model includes a filter box with an inlet pipe connected to the top right and an outlet pipe connected to the bottom. A filter screen, shaped like an inverted cone with a larger top and smaller bottom, is installed inside the filter box. A rebound mechanism is installed inside the filter box. In this utility model, the electroplating solution enters the connecting ring through the inlet pipe. Because the connecting ring is connected to the inlet pipe, the electroplating solution is distributed throughout the entire annular flow channel. An outlet ring is rotatably installed at the bottom of the connecting ring and is driven by a drive mechanism to rotate at a uniform speed. The outlet holes at its bottom dynamically distribute the solution outwards along the circumference. With the continuous rotation of the outlet ring, the electroplating solution no longer concentrates on impacting a fixed area of ​​the filter screen but is instead sprayed evenly in a ring, effectively avoiding the problem of excessive local filtration pressure.

Description

Technical Field

[0001] This utility model belongs to the field of electroplating solution filtration technology, and specifically relates to a circulating filtration device for silver-zinc metallization film plating solution. Background Technology

[0002] In the electronic component manufacturing industry, silver-zinc metallized films are widely used in the production of key components such as capacitors and sensors due to their excellent conductivity, good mechanical strength, and stable chemical properties. During the production process of silver-zinc metallized films, the quality of the plating solution plays a decisive role in the key performance indicators of the metallized film, such as surface quality, conductivity, and corrosion resistance.

[0003] Reference publication number CN221663065U discloses an electroplating solution filtration and circulation device, including a filter box. A drive motor is installed on the top surface of the filter box, and a filter plate is installed inside the filter box. A brush plate is provided on the upper part of the filter plate. Multiple sets of adsorption cylinders are evenly installed at the bottom of the filter box. A placement hole is opened on one side of the adsorption cylinder, and an mounting plate is bolted to the placement hole of the adsorption cylinder. A support plate is welded to the lower part of one side wall of the mounting plate, and a fixing column is welded to the top surface of the support plate. This electroplating solution filtration and circulation device, by setting up a drive motor, a rotating plate, and a brush plate, can achieve surface cleaning of the filter plate, preventing impurities in the electroplating solution from clogging the mesh of the filter plate and affecting the filtration. By setting up adsorption cylinders, activated carbon cores, and mounting plates, the replacement of the activated carbon core will not affect the adsorption of the electroplating solution.

[0004] In the aforementioned patent, the electroplating solution to be filtered is introduced into the filter box through the inlet pipe and then filtered through the filter plate. However, when the liquid flows out from the inlet pipe, it will continuously flow to one side of the filter plate, causing the filter plate on that side to bear greater filtration pressure. Although the rotating brush plate can brush the surface of the filter plate by rotating, which can alleviate the filtration pressure on this side to some extent, the problem of concentrated liquid inlet position still affects the uniform filtration effect of the filter plate.

[0005] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0006] In view of the problems in the related technologies, this utility model proposes a silver-zinc metallization film plating solution circulation filtration device to overcome the above-mentioned technical problems existing in the existing related technologies.

[0007] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: This utility model is a circulating filtration device for silver-zinc metallization film plating solution, including a filter box. The top right of the filter box is connected to an inlet pipe, and the bottom outside the filter box is connected to a drain pipe. A filter screen is installed inside the filter box. The filter screen is arranged in an inverted cone shape, with a larger top and a smaller bottom. A rebound mechanism is installed inside the filter box. The rebound mechanism includes a connecting ring, the filter screen is fixedly installed on the connecting ring, a plurality of first arc-shaped blocks are fixedly installed at equal intervals on the top of the connecting ring, a plurality of sliding rods are fixedly installed at equal intervals on the bottom of the connecting ring, and an elastic element is sleeved on the outside of each sliding rod. The top of the elastic element is fixedly installed to the connecting ring, and an anti-detachment block is fixedly installed on the bottom of the sliding rod. A drive mechanism is installed on the top of the filter box, and a pusher is installed at the bottom of the drive mechanism. The pusher includes a fixed ring, and several second arc-shaped blocks are evenly fixedly installed at the bottom of the fixed ring. A connecting ring is fixedly installed at the top of the filter box. The connecting ring is connected to the liquid inlet pipe. A water outlet ring is rotatably installed at the bottom of the connecting ring. A liquid outlet hole is opened at the bottom of the water outlet ring. A debris removal component is installed at the center of the filter screen, and an activated carbon core is installed inside the filter box and below the debris removal component.

[0008] Furthermore, the number of the first arc-shaped blocks is the same as the number of the second arc-shaped blocks, and a plurality of the second arc-shaped blocks are located above a plurality of the first arc-shaped blocks.

[0009] Furthermore, several fixing blocks are fixedly installed at equal intervals on the inner wall of the filter box, and the fixing blocks are fixedly connected to the bottom of the elastic element. The fixing blocks have round holes inside, and the bottom end of the sliding rod passes through the round holes. The installation position of the fixing blocks is higher than the installation position of the anti-detachment blocks.

[0010] Furthermore, the driving mechanism includes a drive motor, which is fixedly installed on the top of the filter box, and an output shaft is fixedly installed at the output end of the drive motor.

[0011] Furthermore, the output shaft passes through the top of the filter box and extends into its inner cavity. A connecting frame is fixedly installed on the outer wall of the output shaft, and the connecting frame is fixedly connected to the inner ring of the water outlet ring.

[0012] Furthermore, a fixing bracket is fixedly installed at the bottom of the output shaft, and the fixing bracket is fixedly connected to the inner ring of the fixing ring.

[0013] Furthermore, the impurity removal assembly includes a connecting cylinder, which is movably installed with the filter screen. The bottom of the connecting cylinder is connected to a discharge pipe, which is fixedly connected to the filter box.

[0014] This utility model has the following beneficial effects: This invention allows the electroplating solution to enter the connecting ring through the inlet pipe. Since the connecting ring is connected to the inlet pipe, the electroplating solution is distributed throughout the entire annular flow channel. The outlet ring is rotatably installed at the bottom of the connecting ring and is driven by a drive mechanism to rotate at a constant speed. The outlet holes at its bottom are dynamically distributed along the circumference. As the outlet ring continues to rotate, the electroplating solution no longer concentrates on impacting a fixed area of ​​the filter screen, but is sprayed evenly in a ring, effectively avoiding the problem of excessive local filtration pressure.

[0015] When the drive mechanism of this invention is started, it drives the fixed ring to rotate. The second arc-shaped block at the bottom of the fixed ring periodically contacts and presses down on the first arc-shaped block at the top of the connecting ring. Since the sliding rod can slide in the vertical direction and is elastically supported by the elastic element, the connecting ring and the filter screen will move downward under the push of the second arc-shaped block, and then quickly reset under the rebound of the elastic element. This up-and-down reciprocating motion generates high-frequency vibration, which shakes off the impurities attached to the filter screen and promotes the dynamic filtration of the electroplating solution, avoiding filter pore blockage.

[0016] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the utility model embodiments, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a bottom view of the present invention; Figure 3 This is a front sectional view of the filter box of this utility model; Figure 4 This is a first partial schematic diagram of the present invention; Figure 5 This is a second partial schematic diagram of the present invention; Figure 6 This is an overall structural diagram of the springback mechanism of this utility model.

[0019] Figure 7 This is an overall structural diagram of the drive mechanism of this utility model.

[0020] The attached diagram lists the components represented by each number as follows: 1. Filter box; 101. Fixing block; 2. Inlet pipe; 3. Drain pipe; 4. Filter screen; 5. Rebound mechanism; 501. Connecting ring; 502. First arc-shaped block; 503. Sliding rod; 504. Elastic element; 505. Anti-detachment block; 6. Drive mechanism; 601. Drive motor; 602. Output shaft; 603. Connecting frame; 604. Fixing frame; 7. Pushing element; 701. Fixing ring; 702. Second arc-shaped block; 8. Connecting ring; 9. Water outlet ring; 10. Liquid outlet hole; 11. Impurity removal assembly; 1101. Connecting cylinder; 1102. Discharge pipe; 12. Activated carbon core. Detailed Implementation

[0021] The technical solutions of the utility model embodiments will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the utility model, and not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the utility model.

[0022] In the description of this utility model, it should be understood that the terms "opening", "upper", "lower", "top", "middle", "inner", etc., which indicate orientation or positional relationship, are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the components or elements 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 the utility model.

[0023] Please see Figures 1-7 As shown, this utility model is a circulating filtration device for silver-zinc metallization film plating solution, including a filter box 1. The top right of the filter box 1 is connected to an inlet pipe 2, and one end of the inlet pipe 2 is connected to a circulation pump. The circulation pump draws the plating solution to be plated into the inlet pipe 2. The bottom of the filter box 1 is connected to a drain pipe 3, and one end of the drain pipe 3 is also connected to a circulation pump. The filtered plating solution is drawn from the drain pipe 3 into an electroplating tank or a container for plating solution under the action of the circulation pump. A filter screen 4 is installed in the inner cavity of the filter box 1. The filter screen 4 is used to filter the electroplating solution. The filter screen 4 is set in an inverted cone shape, with a larger top and a smaller bottom. After the plating solution is filtered, the impurities remain on the filter screen 4. Due to the gravity of the impurities themselves and the vibration of the filter screen 4, the impurities can converge towards the center along the tilt angle of the filter screen 4, so as to better collect the impurities. A rebound mechanism 5 is installed inside the filter box 1. The rebound mechanism 5 includes a connecting ring 501. The filter screen 4 is fixedly installed on the connecting ring 501. A plurality of first arc-shaped blocks 502 are fixedly installed at equal intervals on the top of the connecting ring 501. A plurality of sliding rods 503 are fixedly installed at equal intervals on the bottom of the connecting ring 501. Each sliding rod 503 is fitted with an elastic element 504. The top of the elastic element 504 is fixedly installed to the connecting ring 501. An anti-detachment block 505 is fixedly installed on the bottom of the sliding rod 503. A driving mechanism 6 is installed on the top of the filter box 1. A pushing element 7 is installed on the bottom of the driving mechanism 6. The pushing element 7 includes a fixing ring 701. A plurality of second arc-shaped blocks 702 are evenly fixedly installed on the bottom of the fixing ring 701. After the electroplating solution falls onto the filter screen 4, the filter... The filter screen 4 is fixed on the connecting ring 501. When the drive mechanism 6 is started, it drives the fixed ring 701 to rotate. The second arc-shaped block 702 at the bottom of the fixed ring 701 periodically contacts and presses down on the first arc-shaped block 502 at the top of the connecting ring 501. Since the sliding rod 503 can slide in the vertical direction and is elastically supported by the elastic element 504, the connecting ring 501 and the filter screen 4 will move downward under the push of the second arc-shaped block 702. Then, under the rebound action of the elastic element 504, they will quickly reset. This up-and-down reciprocating motion generates high-frequency vibration, which shakes off the impurities attached to the filter screen 4 and promotes the dynamic filtration of the electroplating solution, avoiding the clogging of the filter holes. The filtered electroplating solution continues to flow downward, is further purified by the activated carbon core 12, and is finally discharged through the drain pipe 3, completing the circulation filtration process.

[0024] A connecting ring 8 is fixedly installed at the top of the filter box 1. The connecting ring 8 is connected to the liquid inlet pipe 2. A water outlet ring 9 is rotatably installed at the bottom of the connecting ring 8. The water outlet ring 9 has a liquid outlet hole 10 at its bottom. The electroplating solution enters the connecting ring 8 through the liquid inlet pipe 2. Since the connecting ring 8 is connected to the liquid inlet pipe 2, the electroplating solution is distributed throughout the entire annular flow channel. The water outlet ring 9 is rotatably installed at the bottom of the connecting ring 8 and is driven to rotate at a constant speed by the drive mechanism 6. The liquid outlet hole 10 at its bottom is dynamically distributed along the circumference. As the water outlet ring 9 continues to rotate, the electroplating solution no longer concentrates on impacting a fixed area of ​​the filter screen 4, but is sprayed evenly in a ring, effectively avoiding the problem of excessive local filtration pressure.

[0025] A waste removal component 11 is installed at the center of the filter screen 4. Impurities filtered by the filter screen 4 remain on the filter screen 4 and gather towards the center, and then enter the waste removal component 11. An activated carbon core 12 is installed in the inner cavity of the filter box 1 and below the waste removal component 11. The activated carbon core 12 deeply purifies the electroplating solution, adsorbs residual organic impurities, ionic pollutants and tiny particles, and further improves the purity of the plating solution.

[0026] In one embodiment, for the first arc-shaped block 502, the number of the first arc-shaped block 502 is the same as the number of the second arc-shaped block 702, and a plurality of the second arc-shaped blocks 702 are located above a plurality of the first arc-shaped blocks 502.

[0027] The number of first arc-shaped blocks 502 and second arc-shaped blocks 702 are the same and they correspond vertically. When the second arc-shaped block 702 rotates to the side of the first arc-shaped block 502, it will apply downward pressure, pushing the first arc-shaped block 502, the connecting ring 501 and the filter screen 4 downward.

[0028] In one embodiment, for the filter box 1, several fixing blocks 101 are fixedly installed at equal intervals on the inner wall of the filter box 1, and the fixing blocks 101 are fixedly connected to the bottom of the elastic member 504. The fixing blocks 101 have a circular hole inside, and the bottom end of the sliding rod 503 passes through the circular hole. The installation position of the fixing blocks 101 is higher than the installation position of the anti-detachment block 505. The fixing blocks 101 can guide the sliding rod 503. The elastic member 504 is preferably a spring. At the same time, the fixing blocks 101 can also support the connecting ring 501, several first arc-shaped blocks 502, sliding rod 503, elastic member 504 and anti-detachment block 505. The anti-detachment block 505 is to prevent the sliding rod 503 from moving too much and causing the sliding rod 503 to detach from the fixing block 101.

[0029] In one embodiment, the drive mechanism 6 includes a drive motor 601, which is fixedly installed on the top of the filter box 1, and an output shaft 602 is fixedly installed at the output end of the drive motor 601.

[0030] The output shaft 602 passes through the top of the filter box 1 and extends into its inner cavity. A connecting frame 603 is fixedly installed on the outer wall of the output shaft 602, and the connecting frame 603 is fixedly connected to the inner ring of the water outlet ring 9.

[0031] A fixing bracket 604 is fixedly installed at the bottom of the output shaft 602, and the fixing bracket 604 is fixedly connected to the inner ring of the fixing ring 701.

[0032] When the drive motor 601 starts, the output shaft 602 drives the connecting frame 603 and the fixed frame 604 to rotate synchronously. The connecting frame 603 drives the water outlet ring 9 to rotate, so that the electroplating solution is evenly sprayed through the liquid outlet hole 10. The fixed frame 604 drives the fixed ring 701 to rotate, so that the second arc block 702 rotates, which not only ensures the uniform distribution of the electroplating solution, but also realizes the automatic cleaning function of the filter screen 4.

[0033] The impurity removal assembly 11 includes a connecting cylinder 1101, which is slidably installed with the filter screen 4. The bottom of the connecting cylinder 1101 is connected to a discharge pipe 1102, which is fixedly connected to the filter box 1.

[0034] Impurities converge at the midpoint of the inclined angle of the filter screen 4, and then enter the connecting cylinder 1101 and the discharge pipe 1102. The connecting cylinder 1101 has several square grooves for impurity entry (e.g.,...). Figure 4 As shown), impurities enter the connecting cylinder 1101 through the square groove. During the up-and-down movement of the filter screen 4, the height of its upward movement will not exceed the height of the bottom of the square groove. The output end of the discharge pipe 1102 extends out of the side wall of the filter box 1 and is equipped with a valve. The drain valve controls the opening or closing of the discharge pipe 1102. During the filtration process of the filter screen 4, plating solution will enter the connecting cylinder 1101 and the discharge pipe 1102. Due to the heavy mass and density of the impurities, during continuous filtration, the newly entered impurities will continuously squeeze the plating solution in the connecting cylinder 1101 and the discharge pipe 1102 outward. When it is necessary to discharge the impurities, turn the valve to open the discharge pipe 1102. If there is plating solution in the connecting cylinder 1101 and the discharge pipe 1102, the liquid can better carry out the impurities, avoiding the residue of impurities caused by dry discharge. At the same time, the fluidity of the plating solution itself ensures the smoothness of the impurity discharge process.

[0035] Working principle: The electroplating solution to be filtered enters the connecting ring 8 at the top of the filter box 1 through the inlet pipe 2 under the action of the circulating pump. It is then evenly sprayed onto the filter screen 4 below by the rotating outlet ring 9 at the bottom. The drive motor 601 drives the connecting frame 603 through the output shaft 602 to make the outlet ring 9 rotate at a constant speed. The outlet hole 10 dynamically discharges the solution in a circumferential direction, avoiding the concentrated impact of the plating solution on a local area of ​​the filter screen. The inverted conical filter screen 4 achieves high-frequency vibration through the rebound mechanism 5. That is, the drive motor 601 drives the connecting frame 603 through the output shaft 602 to achieve high-frequency vibration. 02 Simultaneously, the driving bracket 604 rotates the fixing ring 701, causing the arc surface of the second arc-shaped block 702 at the bottom of the fixing ring 701 to gradually contact the first arc-shaped block 502 below. As the second arc-shaped block 702 rotates, its arc surface begins to fit against the arc surface of the first arc-shaped block 502, applying downward pressure. Due to the curved surface design of the two arc-shaped blocks, the contact generates a vertical component force, pushing the connecting ring 501 downward. When the second arc-shaped block 702 continues to rotate until it disengages from the first arc-shaped block 502... At time 2, the connecting ring 501 loses the external force and quickly returns to its original position under the rebound action of the elastic element 504. Every time the second arc block 702 rotates once, it will complete a "contact-press-separation-rebound" cycle with each of the first arc blocks 502, causing the connecting ring 501 to drive the filter screen 4 to produce a reciprocating motion, shaking off the impurities on the filter screen 4 and promoting dynamic filtration. The action of each second arc block 702 on the corresponding first arc block 502 is synchronous. The filtered impurities converge towards the center along the inclined filter screen 4 and enter the connecting cylinder 1101 and the discharge pipe 1102. During the continuous filtration process, new impurities squeeze out the plating solution in the pipe. When discharging impurities, the valve is opened to use the flow of the plating solution to carry out the impurities and avoid residue. The plating solution that has undergone preliminary filtration continues to flow downward and undergoes deep purification through the activated carbon core 12, adsorbing organic impurities, ionic pollutants and tiny particles. Finally, the purified plating solution is pumped back to the electroplating tank or the electroplating solution tank by the circulation pump through the discharge pipe 3 to complete the circulation filtration.

[0036] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0037] The preferred embodiments of the utility model disclosed above are merely illustrative of the utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the utility model, thereby enabling those skilled in the art to better understand and utilize it. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A circulating filtration device for silver-zinc metallization film plating solution, comprising a filter box (1), wherein an inlet pipe (2) is connected to the top right of the filter box (1), and a drain pipe (3) is connected to the bottom outside the filter box (1). A filter screen (4) is installed inside the filter box (1), wherein the filter screen (4) is arranged in an inverted cone shape, exhibiting a shape that is larger at the top and smaller at the bottom, characterized in that: The filter box (1) is equipped with a rebound mechanism (5); The rebound mechanism (5) includes a connecting ring (501), the filter screen (4) is fixedly installed on the connecting ring (501), a plurality of first arc-shaped blocks (502) are fixedly installed at equal intervals on the top of the connecting ring (501), a plurality of sliding rods (503) are fixedly installed at equal intervals on the bottom of the connecting ring (501), and elastic elements (504) are sleeved on the outside of the plurality of sliding rods (503). The top of the elastic element (504) is fixedly installed with the connecting ring (501), and an anti-detachment block (505) is fixedly installed on the bottom of the sliding rod (503). A drive mechanism (6) is installed on the top of the filter box (1), and a pusher (7) is installed at the bottom of the drive mechanism (6). The pusher (7) includes a fixing ring (701), and several second arc-shaped blocks (702) are evenly fixedly installed at the bottom of the fixing ring (701). A connecting ring (8) is fixedly installed at the top of the filter box (1). The connecting ring (8) is connected to the liquid inlet pipe (2). A water outlet ring (9) is rotatably installed at the bottom of the connecting ring (8). A liquid outlet hole (10) is opened at the bottom of the water outlet ring (9). A waste removal component (11) is installed at the center of the filter screen (4), and an activated carbon core (12) is installed in the inner cavity of the filter box (1) and below the waste removal component (11).

2. The silver-zinc metallization film plating solution circulating filtration device according to claim 1, characterized in that, The number of the first arc-shaped blocks (502) is the same as the number of the second arc-shaped blocks (702), and a number of the second arc-shaped blocks (702) are located above a number of the first arc-shaped blocks (502).

3. The silver-zinc metallization film plating solution circulating filtration device according to claim 1, characterized in that, Several fixing blocks (101) are fixedly installed at equal intervals on the inner wall of the filter box (1), and the fixing blocks (101) are fixedly connected to the bottom of the elastic member (504). The fixing blocks (101) have a round hole inside, and the bottom end of the sliding rod (503) passes through the round hole. The installation position of the fixing blocks (101) is higher than the installation position of the anti-detachment block (505).

4. The silver-zinc metallization film plating solution circulating filtration device according to claim 1, characterized in that, The drive mechanism (6) includes a drive motor (601), which is fixedly installed on the top of the filter box (1), and an output shaft (602) is fixedly installed at the output end of the drive motor (601).

5. The silver-zinc metallization film plating solution circulating filtration device according to claim 4, characterized in that, The output shaft (602) passes through the top of the filter box (1) and extends into its inner cavity. A connecting frame (603) is fixedly installed on the outer wall of the output shaft (602), and the connecting frame (603) is fixedly connected to the inner ring of the water outlet ring (9).

6. The silver-zinc metallization film plating solution circulating filtration device according to claim 5, characterized in that, A fixing bracket (604) is fixedly installed at the bottom of the output shaft (602), and the fixing bracket (604) is fixedly connected to the inner ring of the fixing ring (701).

7. The silver-zinc metallization film plating solution circulating filtration device according to claim 1, characterized in that, The impurity removal component (11) includes a connecting cylinder (1101), which is movably installed with the filter screen (4). The bottom of the connecting cylinder (1101) is connected to a discharge pipe (1102), which is fixedly connected to the filter box (1).

Images