CN114318457A - Aluminum foil single-side thermoelectric chemical oxidation treatment device - Google Patents
Aluminum foil single-side thermoelectric chemical oxidation treatment device Download PDFInfo
- Publication number
- CN114318457A CN114318457A CN202111669489.8A CN202111669489A CN114318457A CN 114318457 A CN114318457 A CN 114318457A CN 202111669489 A CN202111669489 A CN 202111669489A CN 114318457 A CN114318457 A CN 114318457A
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- Prior art keywords
- aluminum foil
- roller
- electrolyte
- chemical oxidation
- oxidation treatment
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 68
- 239000011888 foil Substances 0.000 title claims abstract description 68
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 28
- 239000000126 substance Substances 0.000 title claims abstract description 27
- 230000003647 oxidation Effects 0.000 title claims abstract description 25
- 239000003792 electrolyte Substances 0.000 claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 13
- 239000000919 ceramic Substances 0.000 abstract description 3
- 238000009713 electroplating Methods 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007888 film coating Substances 0.000 description 2
- 238000009501 film coating Methods 0.000 description 2
- 239000011224 oxide ceramic Substances 0.000 description 2
- 229910052574 oxide ceramic Inorganic materials 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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- Electroplating Methods And Accessories (AREA)
Abstract
The aluminum foil single-side thermoelectric chemical oxidation treatment device comprises an electrolyte tank (1), wherein electrolyte is arranged in the electrolyte tank (1), and the device is characterized by further comprising a roller (2), the roller (2) is positioned in the electrolyte tank (1), an aluminum foil bypasses the roller (2) from the lower part of the roller (2), and a part of the lower part of the roller (2) is immersed in the electrolyte so that the aluminum foil passes through the electrolyte when bypassing the roller (2); the electrolytic bath is characterized by further comprising an electrode plate (3), wherein the electrode plate (3) is fixed in the electrolytic bath (1) and is positioned under the roller (2), and the electrode plate (3) and the aluminum foil are respectively connected with two poles of a power supply. When the device disclosed by the invention is used for carrying out single-side thermoelectric chemical oxidation treatment on the aluminum foil, the lower bottom surface of the aluminum foil is completely immersed in the electrolyte and can be fully contacted with the electrolyte, the aluminum foil passes through the electrolyte at a constant speed, and the thermoelectric chemical oxidation reaction is carried out on the lower bottom surface of the aluminum foil under the same condition when the lower bottom surface of the aluminum foil passes through the electrolyte, so that a uniform ceramic film layer can be generated on the surface of the aluminum foil.
Description
Technical Field
The invention relates to the technical field of aluminum foil surface treatment, in particular to a device capable of continuously carrying out single-side thermoelectric chemical oxidation treatment on an aluminum foil.
Background
The existing aluminum foil mainly adopts double-sided electroplating, and the aluminum foil with single-sided electroplating is lack of equipment capable of large-scale production. Chinese patent No. 2020101210286 discloses a single-side plating apparatus and method, wherein a rotatable liquid-transferring member is disposed in a plating bath to transfer plating solution in the plating bath to a lower surface of a workpiece in a rotating manner, thereby achieving a single-side plating effect. In this way, the electroplating solution in the electroplating bath is actually brushed on the lower surface of the workpiece in a sticky way, and the thickness of the electroplating solution adhered on the lower surface of the workpiece is uneven, so that the uniformity of the plated film is poor. An oxide ceramic film layer can be formed on the surface of the aluminum foil through the thermoelectric chemical oxidation treatment, and the oxide ceramic film layer has a good insulation effect. The working voltage of the thermoelectric chemical oxidation is as high as 500-.
Disclosure of Invention
The invention aims to provide a device capable of carrying out large-scale single-side film coating on an aluminum foil and improving the film forming uniformity of the single-side film coating of the aluminum foil.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the device for the single-side thermoelectric chemical oxidation treatment of the aluminum foil comprises an electrolyte tank, and further comprises a roller, wherein the roller is positioned in the electrolyte tank, the aluminum foil bypasses the roller from the lower part of the roller, and a part of the lower part of the roller is immersed in the electrolyte so that the aluminum foil passes through the electrolyte when bypassing the roller; the electrolytic bath is characterized by also comprising an electrode plate, wherein the electrode plate is fixed in the electrolytic bath and is positioned right below the roller, and the electrode plate and the aluminum foil are respectively connected with two poles of a power supply.
Furthermore, the electrode plates are fixed on the side wall of the electrolytic bath through bolts, one bolt extends out of the side wall of the electrolytic bath, and the bolt extending out of the side wall of the electrolytic bath is connected with a power supply through a lead.
And the bottom of the electrolyte tank is provided with a water inlet and a water outlet, and the water inlet and the water outlet are respectively connected with the water outlet and the water inlet of the electrolyte circulating system.
Further, bearing blocks at two ends of the roller are fixed on the upper edge of the electrolyte tank.
Further, still include external frame, the electrolyte bath is located external frame, the bearing frame at running roller both ends is fixed on external frame.
Further, the aluminum foil winding device comprises a first auxiliary roller, a second auxiliary roller, an unwinding system and a winding system, wherein the first auxiliary roller, the second auxiliary roller, the unwinding system and the winding system are respectively located on two sides of the electrolyte tank, bearing seats of the first auxiliary roller and the second auxiliary roller are located on the external frame, the aluminum foil is wound on the unwinding system, and under the traction of the winding system, the aluminum foil on the unwinding system sequentially passes through the upper part of the first auxiliary roller, the lower part of the roller and the upper part of the second auxiliary roller and then is wound on the winding system.
Compared with the prior art, the invention has the beneficial technical effects that:
according to the device for the single-side thermoelectric chemical oxidation treatment of the aluminum foil, when the aluminum foil bypasses the roller, only one section of part tightly attached to the roller is always immersed into the electrolyte, and because the upper surface of the section of the aluminum foil immersed into the electrolyte is tightly attached to the roller and is not contacted with the electrolyte, only the lower surface of the section of the aluminum foil is contacted with the electrolyte, when the thermoelectric chemical oxidation treatment is carried out, only the lower surface of the aluminum foil participates in the thermoelectric chemical oxidation process, and the mode can realize the thermoelectric chemical oxidation treatment of only one surface of the aluminum foil;
when the device disclosed by the invention is used for carrying out single-side thermoelectric chemical oxidation treatment on the aluminum foil, the lower bottom surface of the aluminum foil is completely immersed in the electrolyte and can be fully contacted with the electrolyte, the aluminum foil passes through the electrolyte at a constant speed, and the thermoelectric chemical oxidation reaction is carried out on the lower bottom surface of the aluminum foil under the same condition when the lower bottom surface of the aluminum foil passes through the electrolyte, so that a uniform ceramic film layer can be generated on the surface of the aluminum foil.
Drawings
FIG. 1 is a schematic structural diagram of an aluminum foil single-sided electrochemical oxidation treatment apparatus according to the present invention;
FIG. 2 is a schematic diagram of the relative positions of the roller, the aluminum foil and the electrolyte.
The specific implementation mode is as follows:
the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1 and 2, the aluminum foil single-side thermoelectric chemical oxidation treatment device comprises an electrolyte tank 1 and rollers 2, wherein the electrolyte tank 1 is made of an insulating material such as PVC, electrolyte is arranged in the electrolyte tank 1, and bearing seats at two ends of the rollers 2 can be directly fixed on the upper edge of the electrolyte tank 1 or fixed above the electrolyte tank 1 through an external frame 4. The aluminum foil 9 rounds the roller 2 from the lower part of the roller 2, and a part of the lower part of the roller 2 is immersed into the electrolyte, so that the aluminum foil 9 (with the thickness of 0.1-2mm) passes through the electrolyte when rounding the roller 2. Still placed the plate electrode 3 in the electrolyte bath 1, the plate electrode 3 is fixed in 1 lateral wall of electrolyte bath through four bolts 301, and plate electrode 3 is located under the running roller 2, and a bolt 301 on the plate electrode 3 stretches out 1 lateral wall of electrolyte bath, and the bolt 301 that stretches out 1 lateral wall of electrolyte bath passes through the wire and links to each other with one utmost point of thermoelectric chemical oxidation power supply (asymmetric interchange or two-way asymmetric pulse power supply), and aluminium foil 9 connects the other utmost point of power supply.
The electrolytic cell also comprises an electrolyte circulating system (not shown in the figure), the bottom of the electrolyte cell 1 is provided with a water inlet 101 and a water outlet 102, and the water inlet 101 and the water outlet 102 are respectively connected with the water outlet and the water inlet of the electrolyte circulating system. The electrolyte in the electrolyte tank 1 can be kept in a circulating flowing state through the electrolyte circulating system, and the electrolyte in the electrolyte tank 1 is kept in a state of 30-50 ℃.
In addition, the device also comprises a first auxiliary roller 5, a second auxiliary roller 6, an unreeling system 7 and a reeling system 8. The first auxiliary roller 5, the second auxiliary roller 6, the unreeling system 7 and the reeling system 8 are respectively located on two sides of the electrolyte tank 1, bearing seats of the first auxiliary roller 5 and the second auxiliary roller 6 are located on the external frame 4, and the aluminum foil 9 is wound on the unreeling system 7. The aluminum foil 9 can be tensioned by adjusting the winding and unwinding speed of the unwinding system 7 and the winding system 8, so that the aluminum foil 9 is attached to the roller 2. Under the traction of the winding system 8, the aluminum foil on the unwinding system 7 sequentially passes through the upper part of the first auxiliary roller 5, the lower part of the roller 2 and the upper part of the second auxiliary roller 6 at a constant speed of 1-5 m/min, and is finally wound on the winding system 8.
When the aluminum foil 9 bypasses the roller 2, only one section of the part tightly attached to the roller 2 is always immersed in the electrolyte, and because the upper surface of the aluminum foil immersed in the electrolyte is tightly attached to the roller 2 and is not contacted with the electrolyte, only the lower surface of the section of the aluminum foil is contacted with the electrolyte, when the thermoelectric chemical oxidation treatment is carried out, only the lower surface of the aluminum foil participates in the thermoelectric chemical oxidation process, and the mode can realize the thermoelectric chemical oxidation treatment on one surface of the aluminum foil independently. In the whole thermoelectric chemical oxidation process, the lower bottom surface of the aluminum foil is completely immersed in the electrolyte and can be fully contacted with the electrolyte, the aluminum foil passes through the electrolyte at a constant speed, and the thermoelectric chemical oxidation reaction is carried out on the lower bottom surface of the aluminum foil under the same condition when the lower bottom surface of the aluminum foil passes through the electrolyte, so that the uniform ceramic film layer can be generated on the surface of the aluminum foil.
Claims (6)
1. The aluminum foil single-side thermoelectric chemical oxidation treatment device comprises an electrolyte tank (1), wherein electrolyte is arranged in the electrolyte tank (1), and the device is characterized by further comprising a roller (2), the roller (2) is positioned in the electrolyte tank (1), an aluminum foil bypasses the roller (2) from the lower part of the roller (2), and a part of the lower part of the roller (2) is immersed in the electrolyte so that the aluminum foil passes through the electrolyte when bypassing the roller (2); the electrolytic bath is characterized by further comprising an electrode plate (3), wherein the electrode plate (3) is fixed in the electrolytic bath (1) and is positioned under the roller (2), and the electrode plate (3) and the aluminum foil are respectively connected with two poles of a power supply.
2. The aluminum foil single-sided thermoelectric chemical oxidation treatment device as claimed in claim 1, wherein the electrode plates (3) are fixed on the side walls of the electrolyte tank (1) through bolts (301), one of the bolts (301) extends out of the side walls of the electrolyte tank (1), and the bolts (301) extending out of the side walls of the electrolyte tank (1) are connected with a power supply through leads.
3. The aluminum foil single-sided thermoelectric chemical oxidation treatment device as claimed in claim 1, further comprising an electrolyte circulation system, wherein the bottom of the electrolyte tank (1) is provided with a water inlet (101) and a water outlet (102), and the water inlet (101) and the water outlet (102) are respectively connected with the water outlet and the water inlet of the electrolyte circulation system.
4. The aluminum foil single-side thermoelectric chemical oxidation treatment device as claimed in claim 1, wherein bearing seats at two ends of the roller (2) are fixed on the upper edge of the electrolyte tank (1).
5. The aluminum foil single-side thermoelectric chemical oxidation treatment device as claimed in claim 1, further comprising an external frame (4), wherein the electrolyte tank (1) is located in the external frame (4), and bearing seats at two ends of the roller (2) are fixed on the external frame (4).
6. The aluminum foil single-side thermochemical oxidation treatment device according to claim 5, further comprising a first auxiliary roller (5), a second auxiliary roller (6), an unwinding system (7) and a winding system (8), wherein the first auxiliary roller (5), the second auxiliary roller (6), the unwinding system (7) and the winding system (8) are respectively located on two sides of the electrolyte tank (1), bearing seats of the first auxiliary roller (5) and the second auxiliary roller (6) are located on the external frame (4), the aluminum foil is wound on the unwinding system (7), and under the traction of the winding system (8), the aluminum foil on the unwinding system (7) sequentially passes through the upper portion of the first auxiliary roller (5), the lower portion of the roller (2) and the upper portion of the second auxiliary roller (6) at a constant speed and then is wound on the winding system (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111669489.8A CN114318457A (en) | 2021-12-31 | 2021-12-31 | Aluminum foil single-side thermoelectric chemical oxidation treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111669489.8A CN114318457A (en) | 2021-12-31 | 2021-12-31 | Aluminum foil single-side thermoelectric chemical oxidation treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN114318457A true CN114318457A (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111669489.8A Pending CN114318457A (en) | 2021-12-31 | 2021-12-31 | Aluminum foil single-side thermoelectric chemical oxidation treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808091A (en) * | 2022-05-26 | 2022-07-29 | 西比里电机技术(苏州)有限公司 | Wind-control electrochemical oxidation single-side foil plating equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013249490A (en) * | 2012-05-30 | 2013-12-12 | Fujifilm Corp | Anodization apparatus and method for manufacturing metal substrate with anodic oxide film |
| CN105714341A (en) * | 2014-12-05 | 2016-06-29 | 温州市华夏电镀有限公司 | Single-face electroplating device and electroplating process thereof |
| CN213295539U (en) * | 2020-08-27 | 2021-05-28 | 中山市三美高新材料技术有限公司 | Electroplating device for realizing single-side electroplating or deplating of steel strip |
-
2021
- 2021-12-31 CN CN202111669489.8A patent/CN114318457A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013249490A (en) * | 2012-05-30 | 2013-12-12 | Fujifilm Corp | Anodization apparatus and method for manufacturing metal substrate with anodic oxide film |
| CN105714341A (en) * | 2014-12-05 | 2016-06-29 | 温州市华夏电镀有限公司 | Single-face electroplating device and electroplating process thereof |
| CN213295539U (en) * | 2020-08-27 | 2021-05-28 | 中山市三美高新材料技术有限公司 | Electroplating device for realizing single-side electroplating or deplating of steel strip |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808091A (en) * | 2022-05-26 | 2022-07-29 | 西比里电机技术(苏州)有限公司 | Wind-control electrochemical oxidation single-side foil plating equipment |
| CN114808091B (en) * | 2022-05-26 | 2024-04-19 | 西比里电机技术(苏州)有限公司 | Wind-control thermoelectric chemical oxidation single-sided foil plating equipment |
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Application publication date: 20220412 |