CN105274615A - Electrode foil etching device - Google Patents
Electrode foil etching device Download PDFInfo
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- CN105274615A CN105274615A CN201510830433.4A CN201510830433A CN105274615A CN 105274615 A CN105274615 A CN 105274615A CN 201510830433 A CN201510830433 A CN 201510830433A CN 105274615 A CN105274615 A CN 105274615A
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- etching
- etching tank
- tank
- corrosion
- electrode foil
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Abstract
The invention discloses an electrode foil etching device which comprises an etching tank. Etching liquid is contained in the etching tank, an inner tank is arranged in the etching tank, and the upper opening edge of the inner tank is higher than the liquid level of the etching liquid in the etching tank. An opening is formed in the bottom of the inner tank, parallel electrode plates are arranged on the two sides of the opening, power-up rolls are arranged at the top of the inner tank, and bottom rolls are arranged on the outer side of the bottom of the inner tank. Aluminum foil is wound on the power-up rolls and the bottom rolls to be conveyed, an injection device is arranged in the etching tank, and the injection device exactly faces the opening in the bottom of the inner tank. According to the electrode foil etching device, the cyclicity of the etching liquid is effectively improved, etching products are effectively dispersed, and the concentration of etching products generated by the aluminum foil and the electrode plates adjacent to the aluminum foil is reduced; it is ensured that the good etching effect is kept and etched holes in the surface of the aluminum foil are evenly distributed, and the consistency of the depth and caliber of the etched holes is good; and the problem that the electrostatic capacity at different positions of the aluminum foil is large in deviation and low in average value is avoided, and the performance and quality of the electrode foil are improved.
Description
Technical field
The present invention relates to electrode foil production technical field, particularly relate to a kind of electrode foil corrosion device.
Background technology
Aluminium electrolutic capacitor is common electronic component, its fuse is formed by four layers of overlapping windings such as anode aluminium foil, electrolytic paper, anode aluminium foil, electrolytic papers, seal formation electrolytic condenser with aluminum hull and Jiao Gai after fuse impregnation electrolytic solution, electrode foil is the main raw material(s) of aluminium electrolutic capacitor.Electrode foil processes through rolling, the burn into series of processes such as to energize with refined aluminium, corrosion is the technological core of electrode foil, by electrochemical method at the great fine hole of the surperficial quantity of formation of aluminium foil, and then carry out rear class corrosion carry out reaming, the surface-area of aluminium foil is improved with this, thus raising electrostatic capacity, also to ensure that electrode foil has enough physical strengths simultaneously.
Existing electrode foil corrosion device is when carrying out corrosion processing to aluminium foil, corrosive effect lack of homogeneity, make aluminium foil surface pit skewness, size differs, the density of pit is low, and depth of pit is shallow, aperture is little, oxide film because of surface after changing into process is thicker, oxide film easily fills and leads up the pit that hole is shallow, aperture is little, thus reduces the effective surface area of electrode foil, affects the quality of electrode foil, reduce the electrostatic capacity of electrode foil, physical strength consistence is poor.
Summary of the invention
The technical assignment of technical problem to be solved by this invention and proposition improves prior art, a kind of electrode foil corrosion device is provided, solve the corrosive effect lack of homogeneity of electrode foil corrosion device traditional in current technology, make aluminium foil surface pit skewness, size differs, the quality of electrode foil and the unmanageable problem of capacitive property.
For solving above technical problem, technical scheme of the present invention is:
A kind of electrode foil corrosion device, comprise etching tank, it is characterized in that, described etching tank is built with corrosive fluid, in etching tank, inside groove is set, the upper port edge of inside groove is higher than etching tank internal corrosion liquid liquid level, inside groove bottom opening, and the pole plate be parallel to each other is set in the both sides of opening, the top of inside groove arranges electric roller, and at the bottom outside device bottom roller of inside groove, aluminium foil is carried on electric roller and bottom roller, aluminium foil to pass through the bottom opening of inside groove from inner tank interior and transfer out etching tank again to etching tank, in etching tank, jet apparatus is set, jet apparatus is just to the bottom opening of inside groove.Traditional electrode foil corrosion device is provided with shower in-between the electrodes, shower is utilized to reduce to accelerate corrosive circulation the corrosion product concentration that aluminium foil and contiguous pole plate thereof go out, but shower can affect the electric current at this place, electric current is made to reduce even to block electric current, cause corrosion hole to interrupt in the process of growth, thus affect the electrostatic capacity of electrode foil.Electrode foil corrosion device of the present invention utilizes the opening bottom inside groove to make corrosive fluid enter into inside groove from etching tank, aluminium foil between the pole plate inside groove by carrying out normal corrosion processing, jet apparatus is just to the bottom opening of inside groove, jet apparatus makes corrosive fluid form liquid upwards and flows to bottom opening into inside groove, corrosive fluid in accelerated corrosion groove enters into inside groove, corrosive fluid in inside groove is back in etching tank after overflowing, thus achieve the circulation of corrosive fluid in etching tank and inside groove, and accelerate cyclicity, the corrosion product concentration that effective reduction aluminium foil and contiguous pole plate thereof go out, make corrosion product as hydrogen, aluminum ions etc. are back to etching tank and effectively spread, mix with other corrosive fluid parts in etching tank, thus guarantee to remain good corrosive effect, electrostatic capacity deviation is large to avoid aluminium foil different positions to occur, the problem that mean value is low, improve performance and the quality of the electrode foil finally obtained.
Further, the sidewall of described etching tank arranges circulation tube, circulation tube is connected to corrosive fluid storage tank, and corrosive fluid storage tank is connected to etching tank again by recycle pump.Etching tank and corrosive fluid storage tank are formed an outer circulation by the present invention, effectively can supplement the corrosive fluid consumed, and further reduce corrosion product concentration, improve utilising efficiency and the aluminium foil corrosion production efficiency of corrosive fluid.
Further, be provided with heating unit in described corrosive fluid storage tank, heating unit adopts steam heating, reduces production power consumption, makes corrosive fluid reach stablizing needed for corrosion reaction, enhances productivity.
Further, described pole plate is provided with current shielding plate improves current stability in the outside of both opposite faces and flank, bottom side, thus guarantees that paper tinsel surface pit is evenly distributed, size is consistent, improves processing quality.
Further, described current shielding plate is insulated plastic flitch, and cost easy to make is low.
Further, the back segment of described etching tank is connected to corrosion washing unit, corrosion washing unit comprises rinse bath, rinse bath is built with scavenging solution, the top device upper roller of rinse bath, bottom of rinse bath device lower roller, the aluminium foil after corrosion processing is extend in rinse bath by the transmission of upper roller, lower roller and cleans, removal corrosive fluid remains, and improves quality and the work-ing life of electrode foil.
Further, the inherent aluminium foil of described rinse bath enters scavenging solution place and is provided with shower, and shower is symmetrically distributed in the both sides of aluminium foil, and the spray direction of shower is tilted to down.What traditional cleaning way adopted is soaking and washing, and cleaning efficiency is low, and can not be formed aluminium foil surface and impact and concussion, cleaning thoroughly can not have a strong impact on the work-ing life of electrode foil.
Further, the inherent aluminium foil of described rinse bath is out provided with shower in scavenging solution, and shower is symmetrically distributed in the both sides of aluminium foil, the spray direction of shower is tilted to down, secondary flushing is carried out to aluminium foil surface, improves cleaning performance further, ensure the use long lifetime of motor.
Compared with prior art, the invention has the advantages that:
Electrode foil corrosion device of the present invention effectively improves the cyclicity of corrosive fluid, corrosion product is effectively spread, the corrosion product concentration that reduction aluminium foil and contiguous pole plate thereof go out, thus guarantee to remain good corrosive effect, guarantee that aluminium foil surface pit is evenly distributed, depth of pit and bore consistence good, avoid aluminium foil different positions to occur the problem that electrostatic capacity deviation is large, mean value is low, improve the performance of electrode foil and quality that finally obtain;
Electrode foil corrosion device structure of the present invention is simple, and low cost of manufacture is easy to make, high financial profit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
A kind of electrode foil corrosion device disclosed in the embodiment of the present invention, uniform corrosion processing is carried out to aluminium foil, guarantee that aluminium foil surface pit is evenly distributed, size is consistent, depth of corrosion consistence is better, increase the effective surface area of aluminium foil, improve the capacity of aluminium foil, ensure the consistence of the quality of electrode foil.
As shown in Figure 1, a kind of electrode foil corrosion device, comprise etching tank 1, described etching tank 1 is built with corrosive fluid, inside groove 2 is set in etching tank 1, the upper port edge of inside groove 2 is higher than etching tank 1 internal corrosion liquid liquid level, inside groove 2 bottom opening, and the pole plate 3 be parallel to each other is set in the both sides of opening, pole plate 3 is at the outside of both opposite faces and flank, bottom side is provided with current shielding plate 12, current shielding plate 12 is insulated plastic flitch raising current stability, the top of inside groove 2 arranges electric roller 4, and at the bottom outside device bottom roller 5 of inside groove 2, aluminium foil 6 is carried on electric roller 4 and bottom roller 5, aluminium foil 6 passes through the bottom opening of inside groove 2 from inside groove 2 inside and transfer out etching tank 1 again to etching tank 1, jet apparatus 7 is set in etching tank 1, jet apparatus 7 is just to the bottom opening of inside groove 2.
The sidewall of etching tank 1 is arranged circulation tube 8, circulation tube 8 is connected to corrosive fluid storage tank 9, corrosive fluid storage tank 9 is connected to etching tank 1 again by recycle pump 10, heating unit 11 is provided with in corrosive fluid storage tank 9, the cyclicity of further raising corrosive fluid, reduce the corrosion product concentration in corrosive fluid, ensure long-acting stable corrosive effect.
The back segment of etching tank 1 is connected to corrosion washing unit, corrosion washing unit comprises rinse bath 13, rinse bath 13 is built with scavenging solution, the top device upper roller 14 of rinse bath 13, rinse bath 13 bottom device lower roller 15, aluminium foil 6 after corrosion processing is by upper roller 14, the transmission of lower roller 15 extend in rinse bath 13 cleans, the inherent aluminium foil 6 of rinse bath 13 enters scavenging solution place and is provided with shower 16, and shower 16 is symmetrically distributed in the both sides of aluminium foil 6, the spray direction of shower 16 is tilted to down, the inherent aluminium foil 6 of rinse bath 13 is out provided with shower 16 in scavenging solution, and shower 16 is symmetrically distributed in the both sides of aluminium foil 6, the spray direction of shower 16 is tilted to down.Utilize corrosion washing unit to remove corrosive fluid to remain, improve electrode foil work-ing life.
Below be only the preferred embodiment of the present invention, it should be pointed out that above-mentioned preferred implementation should not be considered as limitation of the present invention, protection scope of the present invention should be as the criterion with claim limited range.For those skilled in the art, without departing from the spirit and scope of the present invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. an electrode foil corrosion device, comprise etching tank (1), it is characterized in that, described etching tank (1) is built with corrosive fluid, inside groove (2) is set in etching tank (1), the upper port edge of inside groove (2) is higher than etching tank (1) internal corrosion liquid liquid level, inside groove (2) bottom opening, and the pole plate (3) be parallel to each other is set in the both sides of opening, the top of inside groove (2) arranges electric roller (4), and at the bottom outside device bottom roller (5) of inside groove (2), aluminium foil (6) is carried on electric roller (4) and bottom roller (5), aluminium foil (6) passes from the inner bottom opening through inside groove (2) of inside groove (2) and transfer out etching tank (1) again to etching tank (1), jet apparatus (7) is set in etching tank (1), jet apparatus (7) is just to the bottom opening of inside groove (2).
2. electrode foil corrosion device according to claim 1, it is characterized in that, the sidewall of described etching tank (1) arranges circulation tube (8), circulation tube (8) is connected to corrosive fluid storage tank (9), and corrosive fluid storage tank (9) is connected to etching tank (1) again by recycle pump (10).
3. electrode foil corrosion device according to claim 2, is characterized in that, is provided with heating unit (11) in described corrosive fluid storage tank (9).
4. electrode foil corrosion device according to claim 1, is characterized in that, described pole plate (3) is provided with current shielding plate (12) in the outside of both opposite faces and flank, bottom side.
5. electrode foil corrosion device according to claim 4, is characterized in that, described current shielding plate (12) is insulated plastic flitch.
6. electrode foil corrosion device according to claim 1, it is characterized in that, the back segment of described etching tank (1) is connected to corrosion washing unit, corrosion washing unit comprises rinse bath (13), rinse bath (13) is built with scavenging solution, top device upper roller (14) of rinse bath (13), rinse bath (13) bottom device lower roller (15), the aluminium foil (6) after corrosion processing is extend in rinse bath (13) by the transmission of upper roller (14), lower roller (15) and cleans.
7. electrode foil corrosion device according to claim 6, it is characterized in that, described rinse bath (13) inherent aluminium foil (6) enters scavenging solution place and is provided with shower (16), and shower (16) is symmetrically distributed in the both sides of aluminium foil (6), the spray direction of shower (16) is tilted to down.
8. electrode foil corrosion device according to claim 6, it is characterized in that, described rinse bath (13) inherent aluminium foil (6) is out provided with shower (16) in scavenging solution, and shower (16) is symmetrically distributed in the both sides of aluminium foil (6), the spray direction of shower (16) is tilted to down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510830433.4A CN105274615A (en) | 2015-11-25 | 2015-11-25 | Electrode foil etching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510830433.4A CN105274615A (en) | 2015-11-25 | 2015-11-25 | Electrode foil etching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105274615A true CN105274615A (en) | 2016-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510830433.4A Pending CN105274615A (en) | 2015-11-25 | 2015-11-25 | Electrode foil etching device |
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| CN (1) | CN105274615A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192660A (en) * | 2017-05-27 | 2017-09-22 | 中国科学院上海技术物理研究所 | It is a kind of to be used for the apparatus and method that dynamic observes Cdl-x_Znx_Te chemical attack hole |
| CN114836816A (en) * | 2022-04-19 | 2022-08-02 | 扬州宏远电子股份有限公司 | Circulating device and method for keeping formed liquid level stable and improving solution uniformity |
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| CN201326027Y (en) * | 2008-12-09 | 2009-10-14 | 乳源瑶族自治县东阳光化成箔有限公司 | Aluminum foil electrolytic corrosion circulation device |
| CN101665975A (en) * | 2009-07-27 | 2010-03-10 | 吴江飞乐天和电子材料有限公司 | Aluminum foil electrolyzing and corroding device |
| CN202210474U (en) * | 2011-12-21 | 2012-05-02 | 扬州宏远电子有限公司 | Efficient high-voltage foil etcher with uniform fluid distribution and forced degasification functions |
| CN202398577U (en) * | 2011-12-26 | 2012-08-29 | 阳东万丰实业有限公司 | Automatic cleaning machine |
| CN203067469U (en) * | 2012-12-26 | 2013-07-17 | 攀钢集团工程技术有限公司 | Bolt easy to cut |
| CN204589363U (en) * | 2015-05-11 | 2015-08-26 | 江苏国瑞科技股份有限公司 | A kind of etched foil corrosion bearizing mechanism |
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2015
- 2015-11-25 CN CN201510830433.4A patent/CN105274615A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201326027Y (en) * | 2008-12-09 | 2009-10-14 | 乳源瑶族自治县东阳光化成箔有限公司 | Aluminum foil electrolytic corrosion circulation device |
| CN101665975A (en) * | 2009-07-27 | 2010-03-10 | 吴江飞乐天和电子材料有限公司 | Aluminum foil electrolyzing and corroding device |
| CN202210474U (en) * | 2011-12-21 | 2012-05-02 | 扬州宏远电子有限公司 | Efficient high-voltage foil etcher with uniform fluid distribution and forced degasification functions |
| CN202398577U (en) * | 2011-12-26 | 2012-08-29 | 阳东万丰实业有限公司 | Automatic cleaning machine |
| CN203067469U (en) * | 2012-12-26 | 2013-07-17 | 攀钢集团工程技术有限公司 | Bolt easy to cut |
| CN204589363U (en) * | 2015-05-11 | 2015-08-26 | 江苏国瑞科技股份有限公司 | A kind of etched foil corrosion bearizing mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192660A (en) * | 2017-05-27 | 2017-09-22 | 中国科学院上海技术物理研究所 | It is a kind of to be used for the apparatus and method that dynamic observes Cdl-x_Znx_Te chemical attack hole |
| CN107192660B (en) * | 2017-05-27 | 2023-09-12 | 中国科学院上海技术物理研究所 | Device and method for dynamically observing tellurium-zinc-cadmium material chemical corrosion pits |
| CN114836816A (en) * | 2022-04-19 | 2022-08-02 | 扬州宏远电子股份有限公司 | Circulating device and method for keeping formed liquid level stable and improving solution uniformity |
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Application publication date: 20160127 |