Capacitor aluminum foil production surface treatment device

Abstract

The utility model relates to the technical field of aluminum foil processing, and discloses a capacitor aluminum foil production surface treatment device which comprises an electrolytic bath, the rear end of the electrolytic bath is fixedly connected with a reflux pump, and the output end of the reflux pump is provided with a filter assembly. According to the utility model, the electrolyte storage tank is used for storing the electrolyte and is usually made of a corrosion-resistant material such as stainless steel or plastic, the electrolyte storage tank is connected with the filter through the gear pump, the electrolyte is pumped out of the electrolyte storage tank through the gear pump, and the filter is positioned at an outlet of the gear pump; and the electrolyte is ensured to be clean before entering the electrolytic bath. And the filtered electrolyte is conveyed into the electrolytic bath through the flow control valve, and the flow control valve is used for adjusting the flow of the electrolyte entering the electrolytic bath. In the electrolytic bath, after the electrolyte reacts with the workpiece, the electrolyte returns to the storage tank through the return pipe, so that circulating flow of the electrolyte is achieved, and the electrolyte is kept in a pure state all the time.

Description

Technical Field

[0001] This utility model relates to the field of aluminum foil processing technology, and in particular to a surface treatment device for capacitor aluminum foil production. Background Technology

[0002] The market demand for capacitors and their raw material, aluminum foil, is increasing daily. Consumers' demands for the performance and reliability of electronic products are rising, directly driving up the requirements for surface treatment quality in the production of capacitor aluminum foil. The surface treatment quality of capacitor aluminum foil directly affects the performance and lifespan of capacitors. With the rapid development of the electronics industry, the purity of the electrolyte has become a key factor in ensuring the quality of aluminum foil, directly impacting the surface treatment quality. The presence of impurities can lead to spots, pits, or other defects on the aluminum foil surface, which can affect the performance and reliability of capacitors.

[0003] The existing technology has the following defects or problems:

[0004] Existing electrolytes are usually used directly after disassembly and assembly without effectively cleaning any impurities that may be present inside. These impurities may reduce the conductivity of the electrolyte, thereby reducing electrolysis efficiency.

[0005] It should be noted that the above content falls within the inventor's technical knowledge and does not necessarily constitute prior art. Utility Model Content

[0006] To overcome the above deficiencies, this utility model provides a surface treatment device for capacitor aluminum foil production, which aims to improve the problem in the prior art where the electrolyte is usually used directly after disassembly and assembly without effectively cleaning the impurities that may be contained inside, which may reduce the conductivity of the electrolyte and thus reduce the electrolysis efficiency.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: a surface treatment device for capacitor aluminum foil production, comprising an electrolytic cell, wherein a reflux pump is fixedly connected to the rear end of the electrolytic cell, and a filter assembly is provided at the output end of the reflux pump;

[0008] The filtration assembly includes a reflux pipe, one end of which is connected to the output end of a reflux pump, and the other end of which is connected to an electrolyte storage tank. A stirring device is fixedly connected to the top of the electrolyte storage tank, and a gear pump is fixedly connected to the top of the electrolyte storage tank. A filter is fixedly connected to the output end of the gear pump, and a flow guide pipe is connected to the output end of the filter. A flow control valve is fixedly connected to the middle of the flow guide pipe, and a pretreatment assembly is provided at the bottom of the inner wall of the electrolytic cell.

[0009] As a further description of the above technical solution:

[0010] The pretreatment component includes two cylindrical rods, both of which are fixedly connected to the bottom of the inner wall of the electrolytic cell. A discharge roller is rotatably connected to the top left side of the electrolytic cell. Multiple evenly distributed cleaning tanks are provided at the right end of the electrolytic cell. Two cylindrical rods are fixedly connected to the bottom of the inner wall of each of the multiple cleaning tanks. A connecting plate is fixedly connected to the top of each of the multiple cleaning tanks. Tensioning rollers are rotatably connected to adjacent sides of each of the multiple connecting plates. A transmission wheel is fixedly connected to the front end of each of the multiple tensioning rollers. A transmission belt is fitted on the outer wall of each of the multiple transmission wheels. A transmission wheel is fixedly connected to the front end of each of the multiple transmission wheels. A transmission belt is fitted on the outer wall of each of the multiple transmission wheels. A stepper motor is fixedly connected to the rear end of the top right side of the cleaning tank on the right side. A feed roller is fixedly connected to the output end of the stepper motor.

[0011] As a further description of the above technical solution:

[0012] The cleaning tank on the left is filled with alkaline cleaning solution, the cleaning tank in the middle is filled with acidic cleaning solution, and the cleaning tank on the right is filled with clean water.

[0013] As a further description of the above technical solution:

[0014] The first transmission belt connects two adjacent transmission wheels together, and the second transmission belt connects two adjacent transmission wheels together.

[0015] As a further description of the above technical solution:

[0016] A temperature controller is fixedly connected to the left end of the electrolytic cell.

[0017] As a further description of the above technical solution:

[0018] A heater is fixedly connected to the left side of the inner wall of the electrolytic cell, and the heater is electrically connected to the temperature controller.

[0019] As a further description of the above technical solution:

[0020] An anode is fixedly connected to the front right end of the electrolytic cell, and a cathode is fixedly connected to the rear right end of the electrolytic cell.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this invention, an electrolyte storage tank is used to store the electrolyte. This tank is typically made of corrosion-resistant materials such as stainless steel or plastic. The storage tank is connected to a filter via a gear pump. The gear pump draws the electrolyte from the storage tank, and the filter is located at the outlet of the gear pump to ensure the electrolyte is clean before entering the electrolytic cell. The filtered electrolyte is then transported to the electrolytic cell via a flow control valve, which regulates the flow rate of the electrolyte entering the cell. In the electrolytic cell, after the electrolyte reacts with the workpiece, it returns to the storage tank through a reflux pipe, thus achieving electrolyte circulation and maintaining the electrolyte's purity at all times.

[0023] 2. In this utility model, by injecting alkaline cleaning solution, acid cleaning solution and clean water into multiple cleaning tanks from right to left, when the aluminum foil is guided through the cleaning tank by the stepper motor-driven feed roller, the oxide layer and impurities on the surface of the aluminum foil are first removed by the acid solution, which helps to improve the surface activity of the aluminum foil and enhance the effect of subsequent treatment. Then, the grease and some inorganic impurities are further removed by the alkaline solution. Finally, the aluminum foil is thoroughly rinsed with clean water, thereby achieving pretreatment such as degreasing and rust removal of the capacitor aluminum foil. Attached Figure Description

[0024] Figure 1 This is a perspective view of a surface treatment device for capacitor aluminum foil production proposed in this utility model;

[0025] Figure 2 Figure A is an enlarged view of a surface treatment device for capacitor aluminum foil production according to this utility model;

[0026] Figure 3 This is a schematic diagram of the stirring device of a surface treatment apparatus for capacitor aluminum foil production according to the present invention;

[0027] Figure 4 This is a schematic diagram of a stepper motor for a surface treatment device for producing aluminum foil capacitors, as proposed in this utility model.

[0028] Legend:

[0029] 1. Electrolytic cell; 2. Reflux pump; 3. Reflux pipe; 4. Electrolyte storage tank; 5. Stirring device; 6. Gear pump; 7. Filter; 8. Guide pipe; 9. Flow control valve; 10. Round rod one; 11. Discharge roller; 12. Washing tank; 13. Round rod two; 14. Connecting plate; 15. Tensioning roller; 16. Drive wheel one; 17. Drive belt one; 18. Drive wheel two; 19. Drive belt two; 20. Stepper motor; 21. Feed roller; 22. Temperature controller; 23. Heater; 24. Anode; 25. Cathode. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Reference Figure 1 and Figure 3 The present invention provides an embodiment of a surface treatment device for capacitor aluminum foil production, comprising an electrolytic cell 1, a reflux pump 2 fixedly connected to the rear end of the electrolytic cell 1, and a filter assembly provided at the output end of the reflux pump 2.

[0032] The filtration assembly includes a return pipe 3, one end of which is connected to the output end of the return pump 2, and the other end of which is connected to an electrolyte storage tank 4. A stirring device 5 is fixedly connected to the top of the electrolyte storage tank 4, and a gear pump 6 is fixedly connected to the top of the electrolyte storage tank 4. A filter 7 is fixedly connected to the output end of the gear pump 6, and a guide pipe 8 is connected to the output end of the filter 7. A flow control valve 9 is fixedly connected to the middle of the guide pipe 8. A pretreatment assembly is provided at the bottom of the inner wall of the electrolytic cell 1.

[0033] Specifically: Gear pump 6 is used to extract electrolyte from electrolyte storage tank 4 and transport it to electrolytic cell 1, and gear pump 6 is corrosion resistant.

[0034] Reference Figure 1 , Figure 2 and Figure 4 The pretreatment assembly includes two round rods 10, both of which are fixedly connected to the bottom of the inner wall of the electrolytic cell 1. A discharge roller 11 is rotatably connected to the top left of the electrolytic cell 1. Multiple evenly distributed cleaning tanks 12 are provided at the right end of the electrolytic cell 1. Two round rods 13 are fixedly connected to the bottom of the inner wall of each of the multiple cleaning tanks 12. A connecting plate 14 is fixedly connected to the top of each of the multiple cleaning tanks 12. Tensioning rollers 15 are rotatably connected to adjacent sides of each of the multiple connecting plates 14. A transmission wheel 16 is fixedly connected to the front end of each of the multiple tensioning rollers 15. A transmission belt is fitted onto the outer wall of each of the multiple transmission wheels 16. A drive wheel 18 is fixedly connected to the front end of each of the multiple drive wheels 16. A drive belt 19 is fitted onto the outer side wall of each of the multiple drive wheels 18. A stepper motor 20 is fixedly connected to the top right rear end of the right cleaning tank 12. A feed roller 21 is fixedly connected to the output end of the stepper motor 20. The left cleaning tank 12 contains alkaline washing solution, the middle cleaning tank 12 contains acid washing solution, and the right cleaning tank 12 contains clean water. The drive belt 17 fits two adjacent drive wheels 16 together, and the drive belt 19 fits two adjacent drive wheels 18 together.

[0035] Specifically: two adjacent drive wheels 16 are connected together by drive belt 17, and two adjacent drive wheels 18 are connected together by drive belt 29. Thus, when the stepper motor 20 drives the feed roller 21 to rotate, multiple tension rollers 15 can be driven to rotate synchronously by drive belt 17 and drive belt 29.

[0036] Reference Figure 1 and Figure 3 A temperature controller 22 is fixedly connected to the left end of the electrolytic cell 1; a heater 23 is fixedly connected to the left side of the inner wall of the electrolytic cell 1, and the heater 23 is electrically connected to the temperature controller 22; an anode 24 is fixedly connected to the front right end of the electrolytic cell 1, and a cathode 25 is fixedly connected to the rear right end of the electrolytic cell 1.

[0037] Specifically: The temperature controller 22 fixed at the left end of the electrolytic cell 1 can control the heater 23 to adjust the temperature of the electrolyte so that the electrolyte can achieve the best electrolysis effect. At the same time, the anode 24 and cathode 25 fixed on the electrolytic cell 1 are connected to the positive and negative terminals of the power supply, respectively.

[0038] It should be noted that (return pump 3, stirring device 5, gear pump 6, filter 7, flow control valve 9, stepper motor 20, temperature controller 22, heater 23) are all well-known or known to those skilled in the art, and therefore will not be described here.

[0039] Working principle: When the device is needed, alkaline cleaning solution, acid cleaning solution and clean water are injected into multiple cleaning tanks 12 from right to left. When the stepper motor 20 drives the feed roller 21 to guide the aluminum foil through the cleaning tanks 12 in sequence, the acid solution first removes the oxide layer and impurities on the surface of the aluminum foil, which helps to improve the surface activity of the aluminum foil and enhance the effect of subsequent treatment. Then, the alkaline solution further removes grease and some inorganic impurities. Finally, the aluminum foil is thoroughly rinsed with clean water, thereby achieving pretreatment such as degreasing and rust removal of the capacitor aluminum foil.

[0040] Meanwhile, an electrolyte storage tank 4, typically made of corrosion-resistant materials such as stainless steel or plastic, is used to store the electrolyte. The storage tank 4 is connected to a filter 7 via a gear pump 6. The gear pump 6 draws the electrolyte from the storage tank 4, and the filter 7 is located at the outlet of the gear pump 6, ensuring the electrolyte is clean before entering the electrolytic cell 1. The filtered electrolyte is then transported to the electrolytic cell 1 via a flow control valve 9, which regulates the flow rate of the electrolyte entering the electrolytic cell 1. In the electrolytic cell 1, after the electrolyte reacts with the workpiece, it returns to the storage tank through a return pipe 3, thus achieving electrolyte circulation and maintaining the electrolyte's purity at all times.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present 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 the present utility model should be included within the protection scope of the present utility model.

Claims

1. A surface treatment apparatus for producing a capacitor aluminum foil, comprising an electrolytic cell (1), characterized in that: The rear end of the electrolytic cell (1) is fixedly connected with a backflow pump (2), and the output end of the backflow pump (2) is provided with a filtering assembly; The filtering assembly comprises a backflow pipe (3), one end of the backflow pipe (3) is communicated with the output end of the backflow pump (2), the other end of the backflow pipe (3) is communicated with an electrolyte storage tank (4), the top end of the electrolyte storage tank (4) is fixedly connected with a stirring device (5), the top end of the electrolyte storage tank (4) is fixedly connected with a gear pump (6), the output end of the gear pump (6) is fixedly connected with a filter (7), the output end of the filter (7) is communicated with a flow guide pipe (8), the middle part of the flow guide pipe (8) is fixedly connected with a flow control valve (9), and the inner side wall bottom end of the electrolytic cell (1) is provided with a pretreatment assembly.

2. The surface treatment apparatus for producing a capacitor aluminum foil according to claim 1, characterized by: The pretreatment assembly comprises two round rods (10), both of which are fixedly connected to the inner side wall bottom end of the electrolytic cell (1), the top left side of the electrolytic cell (1) is rotatably connected with a discharge roller (11), the right end of the electrolytic cell (1) is provided with a plurality of evenly distributed cleaning tanks (12), the inner side wall bottom end of each of the plurality of cleaning tanks (12) is fixedly connected with two round rods (13), the top end of each of the plurality of cleaning tanks (12) is fixedly connected with a connecting plate (14), the adjacent side of each of the plurality of connecting plates (14) is rotatably connected with a tensioning roller (15), the front end of each of the plurality of tensioning rollers (15) is fixedly connected with a transmission wheel (16), the outer side wall of each of the plurality of transmission wheels (16) is sleeved with a transmission belt (17), the front end of each of the plurality of transmission wheels (16) is fixedly connected with a transmission wheel (18), the outer side wall of each of the plurality of transmission wheels (18) is sleeved with a transmission belt (19), the top right rear end of the right cleaning tank (12) is fixedly connected with a stepping motor (20), and the output end of the stepping motor (20) is fixedly connected with a feeding roller (21).

3. The surface treatment apparatus for producing a capacitor aluminum foil according to claim 2, characterized in that: The inside of the left cleaning tank (12) is provided with alkaline cleaning liquid, the inside of the middle cleaning tank (12) is provided with acid cleaning liquid, and the inside of the right cleaning tank (12) is provided with clean water.

4. The surface treatment apparatus for producing a capacitor aluminum foil according to claim 2, characterized in that: The transmission belt (17) sleeves the adjacent two transmission wheels (16), and the transmission belt (19) sleeves the adjacent two transmission wheels (18).

5. The surface treatment apparatus for producing a capacitor aluminum foil according to claim 1, characterized in that: The left end of the electrolytic cell (1) is fixedly connected with a temperature controller (22).

6. The surface treatment apparatus for producing a capacitor aluminum foil according to claim 5, wherein: The left side of the inner side wall of the electrolytic cell (1) is fixedly connected with a heater (23), and the heater (23) is electrically connected with the temperature controller (22).

7. The surface treatment apparatus for producing a capacitor aluminum foil according to claim 1, wherein: The front side of the right end of the electrolytic cell (1) is fixedly connected with an anode (24), and the rear side of the right end of the electrolytic cell (1) is fixedly connected with a cathode (25).

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