Foil surface groove entering stabilizing device in electrode foil production

Abstract

The utility model discloses a foil surface groove entering stabilizing device in electrode foil production, and relates to the technical field of electrode foil production, the foil surface groove entering stabilizing device comprises a groove body, a diaphragm capsule is fixedly connected in the groove body, the upper end and the lower end of the diaphragm capsule are respectively provided with a material port, the lower end of the diaphragm capsule is fixedly connected with two elastic diaphragms, the two elastic diaphragms are arranged in an inverted triangle shape, and the two elastic diaphragms are arranged in the groove body. One end of each elastic membrane is located below the liquid level of the bath liquid, and a set of foil clamping rollers rotationally connected with the membrane box are arranged over the adjacent ends of the two elastic membranes. According to the utility model, under the combined action of the foil clamping roller and the elastic membrane, the state is more stable at the moment that the foil is electrified behind the liquid inlet surface, and the condition that the foil surface swings cannot occur; meanwhile, the bath solution is accumulated in the diaphragm capsule, so that the liquid level in the diaphragm capsule is increased, longer chemical corrosion time can be provided, the corrosion performance of the foil surface is activated, and the specific volume parameter of the electrode foil is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electrode foil production, more specifically to a foil face groove stable device in electrode foil production. BACKGROUND

[0002] In the production of electrode foil for aluminum electrolytic capacitor, the current applied to the foil face in the electrochemical pore corrosion process is about 2000A, so the foil face state of the foil sheet at the moment of entering the groove, including the uniformity of foil face temperature, the flatness of foil face, the slight shaking of foil face, etc., has a great influence on the number of initial pores generated, and further affects the parameters such as the specific capacity of the corroded foil and the dispersion difference.

[0003] In order to achieve the effect of balancing the foil face state and improve the pore quality, the current shielding plate is fixed at the foil sheet groove liquid surface at present, the electrode plate is insulated to shield the current, and the foil sheet enters the groove first through chemical corrosion for about 2 seconds. However, due to problems such as liquid surface fluctuation, the foil face will still shake, affecting the product quality.

[0004] Therefore, it is necessary to provide a foil face groove stable device in electrode foil production to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] (I) Technical problem solved

[0006] The utility model discloses a kind of foil face groove stable devices in electrode foil production to solve the problem of foil face shaking in foil face groove in electrode foil production.

[0007] (II) Technical scheme

[0008] The utility model discloses a kind of foil face groove stable devices in electrode foil production to solve the problem of foil face shaking in foil face groove in electrode foil production.

[0009] A kind of foil face groove stable device in electrode foil production, including tank, the membrane box is fixedly connected in the tank, the upper and lower ends of the membrane box are equipped with material port, the lower end of the membrane box is fixedly connected with two elastic diaphragms, two The elastic diaphragm is arranged in inverted triangular shape, one end of the elastic diaphragm is located below tank liquid level, a group of foil clamping rollers are rotatably connected with the membrane box above the adjacent end of two The elastic diaphragm.

[0010] Further, two electrode plates are oppositely arranged in the tank, and the membrane box is located between the two electrode plates.

[0011] Further, two support plates are fixedly connected to the bottom of the membrane box on both sides, and the elastic diaphragm is fixedly connected with the support plate.

[0012] Further, two spray pipes are arranged in the tank, and two The spray pipe is located on the both sides of foil sheet respectively.

[0013] Further, the spray pipe is located directly above the diaphragm box.

[0014] Further, the foil clamping rollers are two, and the two foil clamping rollers are arranged in a staggered manner.

[0015] Further, the elastic diaphragm is made of insulating material.

[0016] (Three) beneficial effects

[0017] The beneficial effects of the utility model are as follows:

[0018] 1. Under the joint action of the foil clamping roller and the elastic diaphragm, the foil is more stable at the moment when the foil is electrified after entering the liquid surface, and the foil surface does not swing.

[0019] 2. The tank liquid washed by the spray is accumulated in the diaphragm box, the liquid level in the diaphragm box is increased, a longer chemical corrosion time can be provided, the corrosion performance of the foil surface is activated, and the specific capacity parameter of the electrode foil is improved.

[0020] 3. The bottom elastic diaphragm is closely attached to the foil, the edge effect of the current can be avoided, the bombardment effect of large current is generated at the moment when the foil is electrified and corroded, the current can be uniformly distributed on the surface of the foil, and the pore density is increased.

[0021] 4. The elastic diaphragm arranged in an inclined manner forms an included angle with the foil, the flatness of the foil surface is ensured, and the scratch line of the foil surface can be avoided. DRAWINGS

[0022] Figure 1 It is a schematic view of the structure of the utility model;

[0023] Figure 2 It is a sectional view of the diaphragm box of the utility model;

[0024] Figure 3 It is a schematic view of the existing structure.

[0025] Reference signs: 1, spray pipe; 3, electrode plate; 4, tank body; 5, roller; 6, foil clamping roller; 7, diaphragm box; 8, support plate; 9, elastic diaphragm; 10, fixing bolt; 11, current shielding plate. DETAILED DESCRIPTION

[0026] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.

[0027] Please refer to FIG. 1-2, a foil face slot stable device in electrode foil production, including tank body 4, tank body 4 is fixedly connected with membrane box 7, the upper and lower ends of membrane box 7 are both provided with material opening for foil passing, the lower end of membrane box 7 is fixedly connected with two elastic diaphragms 9, two elastic diaphragms 9 are arranged in inverted triangular shape, foil passes between two elastic diaphragms 9, one end of elastic diaphragm 9 is located below the liquid level in tank body 4, a group of foil clamping rollers 6 are arranged above the adjacent end of two elastic diaphragms 9 and are rotatably connected with membrane box 7. Specifically, two electrode plates 3 are oppositely arranged in tank body 4, membrane box 7 is located between two electrode plates 3, and elastic diaphragm 9 is made of insulating material.

[0028] In use, the foil is conveyed by roller 5, so that the foil passes through membrane box 7 and enters the tank liquid, under the combined action of the clamping force of foil clamping roller 6 and bottom elastic diaphragm 9 in membrane box 7, the foil can be more stable at the moment of being electrified after entering the liquid, and the foil will not swing; meanwhile, elastic diaphragm 9 is closely attached to the foil, so that the edge effect of electric current can be avoided, the bombardment effect of large current is generated at the moment of foil etching under electricity, so that the current can be evenly distributed on the surface of the foil, and the pore density is increased.

[0029] In order to facilitate the maintenance and replacement of elastic diaphragm 9, two support plates 8 are fixedly connected with the bottom ends of membrane box 7 on both sides, and elastic diaphragm 9 is fixedly connected with support plate 8 through fixing bolt 10. The inclination angle of support plate 8 is consistent with the inclination angle of elastic diaphragm 9.

[0030] In some embodiments, two spray pipes 1 are arranged in tank body 4, and the two spray pipes 1 are respectively located on both sides of the foil, and the spray pipe 1 is located above membrane box 7.

[0031] The tank liquid washed by spraying is accumulated in the inside of membrane box 7, which provides the effect of balancing the foil surface before the foil is electrified; elastic diaphragm 9 forms an angle with the foil, which can ensure the flatness of the foil surface while avoiding scratches on the foil surface, improve the liquid level in membrane box 7, provide longer chemical corrosion time, activate the corrosion performance of the foil surface, and improve the specific capacity parameter of the electrode foil.

[0032] Specifically, there are two foil clamping rollers 6, and the two foil clamping rollers 6 are arranged in staggered manner. Preferably, the foil clamping roller 6 is made of ceramic, so as to avoid tank liquid corrosion.

[0033] Working principle: foil is transported through roller 5, tank liquid is pumped through spray pipe 1 and sprayed to both sides of foil, the sprayed and washed tank liquid is accumulated in diaphragm chamber 7, the foil is chemically corroded before being electrified, under the cooperation of foil clamping roller 6 and elastic diaphragm 9, the foil is more stable when entering liquid surface and being electrified at the moment, and the foil does not swing.

[0034] The above is only the preferred embodiment of the present application, and is not used to limit the present application, the patent protection scope of the present application is subject to the claims, and equivalent structural changes made by using the content of the specification and drawings of the present application should be included in the protection scope of the present application.

Claims

1. A device for stabilizing the foil surface during electrode foil production, comprising a tank (4), characterized in that: A membrane box (7) is fixedly connected inside the tank (4). Both the upper and lower ends of the membrane box (7) are provided with material inlets. Two elastic membranes (9) are fixedly connected to the lower end of the membrane box (7). The two elastic membranes (9) are arranged in an inverted triangle. One end of the elastic membrane (9) is located below the liquid surface of the tank. A set of foil clamping rollers (6) that are rotatably connected to the membrane box (7) is provided directly above the adjacent ends of the two elastic membranes (9).

2. The foil surface stabilization device for electrode foil production according to claim 1, characterized in that: Two electrode plates (3) are arranged opposite each other inside the tank (4), and the membrane box (7) is located between the two electrode plates (3).

3. The foil surface stabilization device for electrode foil production according to claim 1, characterized in that: Two support plates (8) are fixedly connected to the bottom two sides of the diaphragm box (7), and the elastic diaphragm (9) is fixedly connected to the support plates (8).

4. The foil surface stabilization device for electrode foil production according to claim 1, characterized in that: The tank (4) is provided with two spray pipes (1), which are located on both sides of the foil.

5. The foil surface stabilization device for electrode foil production according to claim 4, characterized in that: The spray pipe (1) is located directly above the membrane box (7).

6. The foil surface stabilization device for electrode foil production according to claim 1, characterized in that: There are two foil clamping rollers (6), and the two foil clamping rollers (6) are staggered.

7. The foil surface stabilization device for electrode foil production according to claim 1, characterized in that: The elastic diaphragm (9) is made of insulating material.

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