CN203613299U - Electrochemical corrosion device of aluminum foils for capacitor - Google Patents
Electrochemical corrosion device of aluminum foils for capacitor Download PDFInfo
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- CN203613299U CN203613299U CN201320648409.5U CN201320648409U CN203613299U CN 203613299 U CN203613299 U CN 203613299U CN 201320648409 U CN201320648409 U CN 201320648409U CN 203613299 U CN203613299 U CN 203613299U
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- electrolyzer
- electrolysis bath
- capacitor
- aluminium foil
- electrochemical corrosion
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Abstract
The utility model discloses an electrochemical corrosion device of aluminum foils for a capacitor. The electrochemical corrosion device comprises an electrolysis bath, wherein a bottom roller, a pair of conductive pole plates and two aluminum foils are arranged in the electrolysis bath; power-up rollers are arranged on the electrolysis bath; a power supply is connected between the power-up rollers and the conductive pole plates; a liquid inlet pipe is arranged at the upper part of the electrolysis bath; a plurality of pairs of current obstacles are arranged on two sides of each aluminum foil between the conductive pole plates; a baffle plate is arranged at the lower part in the electrolysis bath and divides the electrolysis bath into an upper cavity and a lower cavity which are closed, and an air injection device is arranged in the lower cavity and connected with a fan outside the electrolysis bath; and an overflow pipe is further arranged on the electrolysis bath. The corrosion device can realize continuity of electrochemical corrosion in the same medium, thereby improving electrostatic capacity of the aluminum foils for the capacitor.
Description
Technical field
The utility model relates to a kind of electrochemical corrosion device, particularly a kind of electrochemical corrosion device of aluminium foil used in capacitor.
Background technology
The manufacturing processed of electrode foil for aluminum electrolytic capacitors is mainly divided into corrosion and changes into two operations, the principal feature of corrosion process is aluminium foil to be carried out in specific corrosive fluid to pre-treatment, the corrosion of prime burn into rear class, object is at the great fine hole of aluminium foil surface quantity of formation, with this increasing specific surface area, thereby raising electrostatic capacity should guarantee that electrode foil has enough physical strengths simultaneously.The wherein general employing of the prime of etched foil corrosion galvanic corrosion in aluminium electrolutic capacitor mesohigh, and traditional device is the battery lead plate of installing two pairs or more in the attack solution of electrolyzer, battery lead plate connects power cathode, allow aluminium foil pass through between two electrode plate in the support of electric roller with under driving, and electric roller connects power cathode, electric roller directly contacts by aluminium foil and applies positive electricity to aluminium foil, aluminium foil is carried out to electrolytic corrosion, make the surface of aluminium foil produce a lot of tiny darker holes, then corrode and carry out reaming by rear class.This prior device is in the time that aluminium foil passes through the bottom roller between adjacent two pairs of pole plates, aluminium foil is substantially in chemical corrosion state, namely between twice galvanic corrosion, press from both sides a chemical corrosion, caused discontinuous galvanic corrosion, caused the electrostatic capacity of aluminium foil low.
Utility model content
The purpose of this utility model is just to provide a kind of continuity that can realize galvanic corrosion in same medium, thereby improves the electrochemical corrosion device of the aluminium foil used in capacitor of the electrostatic capacity of aluminium foil used in capacitor.
To achieve these goals, the technical solution adopted in the utility model is such: the electrochemical corrosion device of aluminium foil used in capacitor of the present utility model, comprise electrolyzer, in electrolyzer, be provided with a bottom roller, pair of conductive pole plate and two aluminium foils, electrolyzer is provided with electric roller, between electric roller and conductive plate, be connected with power supply, upper part of the electrolytic cell is provided with liquid-inlet pipe, between described conductive plate, aluminium foil both sides are provided with several to current blocking thing, in electrolyzer, bottom is provided with a dividing plate, electrolyzer is divided into the upper of two sealings by dividing plate, lower cavity, in lower cavity, be provided with an air jet system, air jet system is connected with the blower fan outside electrolyzer, on electrolyzer, be also provided with a upflow tube.
As preferably, described air jet system comprises jet pipe and pipe connecting, and jet pipe upper end is through dividing plate, and its end face is provided with ventilating pit, and lower end is communicated with pipe connecting, and pipe connecting is connected with blower fan.
Compared with prior art, the utility model has the advantage of: the rule of the utility model utilization " dormant pit generally can not restart growth after condition changes ", then control the thickness of sandwich of layers by controlling the growth time of pit, in the time of aluminium foil process current blocking thing, pit stops growing because losing additional electric current, and the larger effect of current density of setting is more obvious, under certain production line condition, the length of conductive plate, the size of current blocking thing and position, after installation, can not be subject to the impact of other factors, the electrode foil of producing in the time of foil walking constant airspeed has sandwich of layers and bending strength very uniformly, by at bottom of electrolytic tank, air jet system being set, liquid circulation is concentrated between conductive plate and aluminium foil effectively, make the effect of circulation reach best, realize the continuity of galvanic corrosion in same medium, thereby improve the electrostatic capacity of aluminium foil used in capacitor.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Referring to Fig. 1, the electrochemical corrosion device of aluminium foil used in capacitor of the present utility model, comprise electrolyzer 1, in electrolyzer 1, be provided with a bottom roller 3, pair of conductive pole plate 4 and two aluminium foils 6, electrolyzer 1 is provided with electric roller 2, between electric roller 2 and conductive plate 4, be connected with power supply 7, electrolyzer 1 top is provided with liquid-inlet pipe 5, 4 aluminium foil 6 both sides of described conductive plate are provided with several to current blocking thing 8, in the present embodiment, current blocking thing 8 is two pairs, the interior bottom of electrolyzer 1 is provided with a dividing plate 10, electrolyzer 1 is divided into the upper of two sealings by dividing plate 10, lower cavity, in lower cavity, be provided with an air jet system, air jet system is connected with the blower fan 11 outside electrolyzer 1, on electrolyzer 1, be also provided with a upflow tube 9, described air jet system comprises jet pipe 13 and pipe connecting 12, jet pipe 13 upper ends are through dividing plate 10, and its end face is provided with ventilating pit, lower end is communicated with pipe connecting 12, pipe connecting 12 is connected with blower fan 11.
The utility model utilizes the rule of " dormant pit generally can not restart growth after condition changes ", then control the thickness of sandwich of layers by controlling the growth time of pit, in the time of aluminium foil 6 process current blocking thing 8, pit stops growing because losing additional electric current, and the larger effect of current density of setting is more obvious, under certain production line condition, the length of conductive plate 4, the size of current blocking thing 8 and position, after installation, can not be subject to the impact of other factors, the electrode foil of producing in the time of foil walking constant airspeed has sandwich of layers and bending strength very uniformly, by air jet system being set in electrolyzer 1 bottom, liquid circulation is concentrated between conductive plate 4 and aluminium foil 6 effectively, make the effect of circulation reach best, realize the continuity of galvanic corrosion in same medium, thereby improve the electrostatic capacity of aluminium foil used in capacitor 6, upflow tube 9 is set on electrolyzer 1, prevents that liquid from flowing out.
Claims (2)
1. the electrochemical corrosion device of an aluminium foil used in capacitor, comprise electrolyzer, in electrolyzer, be provided with a bottom roller, pair of conductive pole plate and two aluminium foils, electrolyzer is provided with electric roller, between electric roller and conductive plate, be connected with power supply, upper part of the electrolytic cell is provided with liquid-inlet pipe, it is characterized in that: between described conductive plate, aluminium foil both sides are provided with several to current blocking thing, in electrolyzer, bottom is provided with a dividing plate, electrolyzer is divided into the upper of two sealings by dividing plate, lower cavity, in lower cavity, be provided with an air jet system, air jet system is connected with the blower fan outside electrolyzer, on electrolyzer, be also provided with a upflow tube.
2. the electrochemical corrosion device of aluminium foil used in capacitor according to claim 1, it is characterized in that: described air jet system comprises jet pipe and pipe connecting, jet pipe upper end is through dividing plate, and its end face is provided with ventilating pit, lower end is communicated with pipe connecting, and pipe connecting is connected with blower fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320648409.5U CN203613299U (en) | 2013-10-21 | 2013-10-21 | Electrochemical corrosion device of aluminum foils for capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320648409.5U CN203613299U (en) | 2013-10-21 | 2013-10-21 | Electrochemical corrosion device of aluminum foils for capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203613299U true CN203613299U (en) | 2014-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320648409.5U Expired - Fee Related CN203613299U (en) | 2013-10-21 | 2013-10-21 | Electrochemical corrosion device of aluminum foils for capacitor |
Country Status (1)
| Country | Link |
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| CN (1) | CN203613299U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108048899A (en) * | 2017-11-29 | 2018-05-18 | 铜陵兴怡金属材料有限公司 | A kind of low voltage anode foil corrosion device for electrolytic capacitor |
| CN109338450A (en) * | 2018-10-23 | 2019-02-15 | 安徽省临泉县康悦电子科技有限公司 | A kind of low-voltage anodic slot heat radiation control temperature device |
| CN109338449A (en) * | 2018-10-23 | 2019-02-15 | 安徽省临泉县康悦电子科技有限公司 | A kind of low-voltage anode foil electrolytic cell |
| CN110541186A (en) * | 2019-10-18 | 2019-12-06 | 洪丽雅 | electrolytic tank for aluminum foil corrosion and use method thereof |
-
2013
- 2013-10-21 CN CN201320648409.5U patent/CN203613299U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108048899A (en) * | 2017-11-29 | 2018-05-18 | 铜陵兴怡金属材料有限公司 | A kind of low voltage anode foil corrosion device for electrolytic capacitor |
| CN108048899B (en) * | 2017-11-29 | 2019-12-24 | 铜陵兴怡金属材料有限公司 | Low-voltage anode foil corrosion device for electrolytic capacitor |
| CN109338450A (en) * | 2018-10-23 | 2019-02-15 | 安徽省临泉县康悦电子科技有限公司 | A kind of low-voltage anodic slot heat radiation control temperature device |
| CN109338449A (en) * | 2018-10-23 | 2019-02-15 | 安徽省临泉县康悦电子科技有限公司 | A kind of low-voltage anode foil electrolytic cell |
| CN109338450B (en) * | 2018-10-23 | 2020-07-07 | 安徽省临泉县康悦电子科技有限公司 | Low-voltage anode tank heat dissipation temperature control device |
| CN109338449B (en) * | 2018-10-23 | 2020-07-07 | 安徽省临泉县康悦电子科技有限公司 | Electrolytic tank for low-voltage anode foil |
| CN110541186A (en) * | 2019-10-18 | 2019-12-06 | 洪丽雅 | electrolytic tank for aluminum foil corrosion and use method thereof |
| CN110541186B (en) * | 2019-10-18 | 2021-04-02 | 洪丽雅 | Electrolytic tank for aluminum foil corrosion and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20141021 |
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| EXPY | Termination of patent right or utility model |