CN215757682U - Novel electrolytic copper foil production device with adjustable anode plate - Google Patents
Novel electrolytic copper foil production device with adjustable anode plate Download PDFInfo
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- CN215757682U CN215757682U CN202121776365.5U CN202121776365U CN215757682U CN 215757682 U CN215757682 U CN 215757682U CN 202121776365 U CN202121776365 U CN 202121776365U CN 215757682 U CN215757682 U CN 215757682U
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Abstract
A novel electrolytic copper foil production device with an adjustable anode plate comprises an electrolytic tank, a metal annular carrying belt or other suitable flexible material carrying belts connected with a power supply cathode, and an adjustable anode plate connected with a power supply anode and correspondingly arranged in the electrolytic tank; the carrying belt circularly drives around the transmission group, one side of the carrying belt is suspended in the electrolytic tank and immersed in the electrolyte, the anode plate is arranged at a first preset distance below one side of the carrying belt immersed in the electrolyte, and the polar distance between the anode plate and one side of the carrying belt immersed in the electrolyte can be adjusted by adjusting the height of the anode plate; the inner surface and the front and rear end surfaces of the carrier belt are sealed by insulating layers; in the same electrolytic tank, one side of the carrying belt immersed in the electrolyte is equal to the pole distance of the anode plate correspondingly arranged. Compared with the prior art, the adjustable-height anode plate has the advantages that the anode plate with the adjustable height can adjust the inter-cathode and inter-anode electrode spacing according to production needs, and the cell voltage is increased or reduced, so that the copper foil has better physical and mechanical properties.
Description
Technical Field
The utility model relates to the technical field of copper foil production equipment, in particular to a novel electrolytic copper foil production device with an adjustable anode plate.
Background
The existing electrolytic copper foil production equipment is usually one pot of liquid, namely, electrolyte, additives and the like required by production are added into the same electrolytic tank, the solution proportion cannot be adjusted according to the stage characteristics of crystal and crystal nucleus deposition, and the process parameters such as cathode and anode distance, electrolyte temperature, electrolyte inlet speed and the like are difficult to be adjusted adaptively. Therefore, the conventional electrolytic copper foil production equipment is inconvenient in production, and if a high-quality copper foil is to be produced, complicated means such as improvement of current density, structure of a cathode roll, and material improvement are required, so that not only the equipment complexity is increased, but also high research and development test cost is required.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a novel electrolytic copper foil production device with an adjustable anode plate.
In order to achieve the purpose, the utility model provides the following technical scheme:
a novel electrolytic copper foil production device with an adjustable anode plate comprises an electrolytic tank, a metal annular carrying belt or other suitable flexible material carrying belts connected with a power supply cathode, and an adjustable anode plate connected with a power supply anode and correspondingly arranged in the electrolytic tank;
the carrying belt circularly drives around the transmission group, one side of the carrying belt is suspended in the electrolytic tank and is immersed in the electrolyte, the anode plate is arranged at a first preset distance below one side of the carrying belt immersed in the electrolyte, and the polar distance between the anode plate and one side of the carrying belt immersed in the electrolyte can be adjusted by adjusting the height of the anode plate;
the inner side surface and the front and rear end surfaces of the carrier belt are sealed by insulating layers;
in the same electrolytic tank, one side of the carrying belt immersed in the electrolyte is equal to the polar distance of the anode plate correspondingly arranged.
Furthermore, the electrolytic tanks and the anode plates are arranged in a one-to-one correspondence manner, and one side of the carrying belt, which is immersed in the electrolyte, is arranged in parallel with the anode plates in a flat plate manner.
Further, the first preset distance is 6-55 mm.
Furthermore, a plurality of the electrolysis trough sets up in succession, a plurality of electrolysis troughs are crossed through the clearance that reserves on the adjacent electrolysis trough lateral wall to carry a band one side in a plurality of electrolysis troughs and submergence in electrolyte, along carry the direction that band submergence one side goes forward in electrolyte, each in the electrolysis trough, the anode plate with carry the band submergence and reduce in proper order in the polar distance between one side in the electrolyte.
Furthermore, the number of the electrolytic tanks is three, the three electrolytic tanks are arranged in parallel and adjacently, and the polar distance between the anode plate in each electrolytic tank and one side of the carrying belt immersed in the electrolyte is 12mm, 10mm and 8mm in sequence along the advancing direction of one side of the carrying belt immersed in the electrolyte.
Further, the metal ring belt is made of titanium raw materials or composite materials plated with precious metals on the surfaces.
Further, the side walls of two opposite sides of each electrolytic tank at a second preset distance below one side of the carrier belt immersed in the electrolyte are respectively provided with an electrolyte inlet and an electrolyte outlet, the electrolyte inlet or the electrolyte outlet is provided with a control valve capable of adjusting the flow, and/or the size of the electrolyte inlet or the electrolyte outlet is adjustable.
Further, the second preset distance is 12-80 mm.
The electrolytic cell comprises a plurality of electrolytic cells, a plurality of conveying belts and a plurality of electrolytic cells, wherein the plurality of electrolytic cells are arranged in parallel and adjacently, the conveying belts are arranged on the electrolytic cells, the plurality of electrolytic cells are arranged in parallel and adjacently, the conveying belts comprise lower conveying members arranged in the electrolytic cells at the end parts of two sides respectively, upper conveying members arranged at two sides of the outside of the upper parts of the plurality of electrolytic cells respectively, the upper conveying members positioned at one sides of the plurality of electrolytic cells comprise upper conveying members and metal foil stripping members, the inner side surface of one end of the upper part of each conveying belt is wound on the upper conveying members, the outer side surfaces of the inner side surfaces of the upper conveying belt are in abutting contact with the surfaces of the metal foil stripping members, the upper conveying members and the metal stripping members rotate in opposite directions, and the conveying belts are in circulating transmission along the lower conveying members and the upper conveying members.
The passivation device comprises a passivation treatment groove, upper transmission component groups positioned on two sides of a notch of the passivation treatment groove, and lower transmission component groups positioned in the passivation treatment groove and capable of enabling the metal foil to be fully immersed in passivation solution, wherein the metal foil passes through the passivation treatment device, and an anti-oxidation layer is generated on the rear surface of the metal foil, and then the metal foil is wound by the winding device.
The utility model has the beneficial effects that:
the utility model provides a novel electrolytic copper foil production device with an adjustable anode plate, which comprises the anode plate with adjustable height, can adjust the inter-polar distance between a cathode and an anode according to production requirements, and increases or decreases the cell voltage, so that the copper foil has better physical and mechanical properties.
Drawings
Fig. 1 is a schematic structural view of a novel electrolytic copper foil production device with an adjustable anode plate according to an embodiment of the utility model.
FIG. 2 is a schematic view of a novel electrolytic copper foil production apparatus with adjustable anode plate according to another embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of a carrier tape according to an embodiment of the utility model.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", "one face", "the other face", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed", "connected", and the like are to be construed broadly, such as "connected", may be fixedly connected, or detachably connected or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be specifically understood in specific cases by those of ordinary skill in the art.
The present invention will be described in detail with reference to the following examples.
Referring to fig. 1-3, the present invention provides a novel foil forming device, which comprises an electrolytic tank 1, a metal ring-shaped carrying belt or other suitable flexible material carrying belt 2 connected to the negative electrode of a power supply, and an adjustable anode plate 3 connected to the positive electrode of the power supply and correspondingly disposed in the electrolytic tank 1. The carrying belt 2 circularly drives around the transmission member group, and one side of the carrying belt 2 is suspended in the electrolytic tank 1 and is immersed in the electrolyte. The anode plate 3 is arranged at a first preset distance below one side of the carrying belt 2 immersed in the electrolyte. The polar distance between the anode plate 3 and one side of the carrier belt 2 immersed in the electrolyte can be adjusted by adjusting the height of the anode plate 3, and the inner side surface and the front and rear end faces of the carrier belt 2 are sealed by insulating layers 201. In the same electrolytic tank 1, the electrode distance of one side of the carrying belt 2 immersed in the electrolyte is equal to that of the anode plate 3 correspondingly arranged. According to an embodiment of the present invention, the polar distance between the anode plate 3 and the side of the carrier belt 2 immersed in the electrolyte can be finely adjusted by adding or subtracting a gasket with a certain thickness at the fixing position. Because the anode corrosion in the electrolysis process can cause the disadvantages of increased power consumption, poor uniformity of metal foil products and the like, the anode plate 3 can be made of special insoluble anode materials, such as lead-antimony alloy or lead-silver alloy anodes, or DSA titanium anodes and the like. The carrier tape 2 may be made of pure titanium or stainless steel with precious metal (e.g., chromium, titanium, etc.) plated on the surface. According to one embodiment of the present invention, the carrier tape 2 is sealed with an insulating layer 201 on the inner surface and front and rear end surfaces thereof. The insulating layer 201 can enable copper to be deposited on the lower surface of one side of the carrying belt 1 immersed in the electrolyte, so that the follow-up metal foil can be conveniently peeled and rolled up, the upper surface of one side of the carrying belt 2 immersed in the electrolyte and the front end surface and the rear end surface of the carrying belt can be prevented from being corroded by the electrolyte, and the stability of the production process is ensured.
According to an embodiment of the present invention, the electrolytic cells 1 and the anode plates 3 may be arranged in a one-to-one correspondence manner, that is, one anode plate 3 is arranged in one electrolytic cell 1, or a plurality of anode plates 3 may be arranged in one electrolytic cell 1 according to actual requirements. The side of the carrier belt 2 immersed in the electrolyte and the anode plate 3 can be arranged in parallel in a flat plate type. Compared with the cathode roller structure which is adopted more at present, the production device can adopt the flat-plate type parallel arrangement of the cathode and the anode, not only can ensure that the distances between the cathode and the anode in the same electrolytic cell 1 are equal everywhere, but also can avoid the condition of uneven metal foil thickness caused by the edge effect of the cathode roller, and the effective electrolytic area of the cathode is increased, and the yield can also be improved.
According to one embodiment of the utility model, the anode plate 3 is arranged at a first predetermined distance below the side of the carrier tape 2 immersed in the electrolyte, said first predetermined distance being 6-55 mm. Preferably, the first preset distance is 8-12 mm. According to one embodiment of the utility model, a plurality of electrolytic tanks 1 are arranged in series, one side of the carrying belt 2 passes through a gap 101 reserved on the side wall of the adjacent electrolytic tank 1, penetrates through the plurality of electrolytic tanks 1 and is immersed in the electrolyte, and the polar distance between the anode plate 3 and the side of the carrying belt 1 immersed in the electrolyte in each electrolytic tank 1 is reduced in sequence along the advancing direction of the side of the carrying belt immersed in the electrolyte. Specifically, when the number of the electrolytic cells 1 is three, three electrolytic cells 1 are arranged adjacently in parallel, along the advancing direction of the carrier tape 2 immersed in the electrolyte, the polar distances between the anode plate 3 in each electrolytic cell 1 and one side of the carrier tape 1 immersed in the electrolyte are 12mm, 10mm and 8mm in sequence, and the carrier tape 2 can be filled with electrolytic solutions with different process parameters in cooperation with the filling of the electrolytic solutions in different electrolytic cells, so that more and more compact copper foils can be deposited on the carrier tape. Therefore, the copper foil produced by the device not only has bright surface, but also has better physical and mechanical properties.
According to an embodiment of the present invention, the side walls of the two opposite sides of the electrolytic cell 1, at a second predetermined distance below one side of the carrier tape 2 immersed in the electrolyte, are respectively provided with an electrolyte inlet 401 and an electrolyte outlet 402, and the electrolyte inlet 401 or the electrolyte outlet 402 may be provided with a control valve capable of adjusting the flow rate, and/or the size of the electrolyte inlet 401 or the electrolyte outlet 402 may be adjustable. The second preset distance may be set to 12-80 mm. And electrolyte inlet 401 can be set up between two parties, perhaps can set up the less inlet in a plurality of intervals on the same electrolysis trough to improve the even degree of inlet liquid, and reduce other problems because of the ion mobility is not enough brought.
According to one embodiment of the utility model, the set of transmission members comprises a lower set of transmission members, respectively arranged inside the electrolytic cell 1 at the ends of the two sides, an upper set of transmission members 53 and 54, respectively arranged on the two sides of the outside above the electrolytic cell 1. The lower transmission member group comprises a first lower transmission member 51 and a second lower transmission member 52, the upper transmission member group 53 positioned on one side of the electrolytic cell 1 comprises a first upper transmission member 531 and a compensating member 532, the diameter of the first upper transmission member 531 is larger than that of the compensating member 532, the upper transmission member group 54 positioned on the other side of the electrolytic cell comprises a second upper transmission member 541 and a metal foil stripping member 542, the inner side surface of one end of the upper side of the carrier tape 2 is wound on the roller surface of the second upper transmission member 541, the outer side surface of the carrier tape is in pressing contact with the roller surface of the metal foil stripping member 542, the second upper transmission member 541 and the metal stripping member 542 rotate in opposite directions, and the carrier tape 2 circularly transmits along the first lower transmission member 51, the second lower transmission member 52, the second upper transmission member 541, the first upper transmission member 531, the compensating member 532 and the first lower transmission member 51. The transmission is arranged to give the carrier tape 2 a suitable tension. When the outer side surface of the carrier tape 2 deposited with the metal foil runs to the second upper transmission member 541, on one hand, the carrier tape 2 continues to run forwards around the transmission member group, and on the other hand, in the direction opposite to the running direction of the carrier tape 2, the outer side surface of the carrier tape 2 is pressed against the surface of the metal foil stripping member 542, so that the metal foil can be stripped from the carrier tape 2 and conveyed to the next-stage device in the opposite direction. According to an embodiment of the present invention, the transmission member, the compensation member and the metal foil peeling member may be in a roll structure.
According to an embodiment of the utility model, the novel foil generation device further comprises a passivation treatment device 6 and a winding device 7. The passivation device 6 comprises a passivation treatment tank 61, an upper transmission piece III 62 and an upper transmission piece IV 63 which are positioned on two sides of a notch of the passivation treatment tank 61, and a lower transmission piece III 64 which is positioned in the passivation treatment tank 61 and can enable metal foil to be fully immersed in passivation solution, wherein the outer sides of the upper transmission piece III 62 and the upper transmission piece IV 63 are respectively provided with a pressing piece 65, and the metal foil passes through the rear surface of the passivation treatment device 6 to generate an anti-oxidation layer and then is wound by the winding device 7. According to an embodiment of the present invention, the passivation solution may be a potassium dichromate solution or the like having a certain concentration. Further in accordance with an embodiment of the present invention, the driving member and the pressing member may be roller-shaped structures.
The utility model innovatively designs a novel electrolytic copper foil production device with an adjustable anode plate, which comprises the anode plate with adjustable height, and can adjust the inter-polar distance between a cathode and an anode according to production requirements, and increase or reduce the cell voltage, so that the copper foil has better physical and mechanical properties.
The embodiments in the above embodiments can be further combined or replaced, and the embodiments are only used for describing the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention, and various changes and modifications made to the technical solution of the present invention by those skilled in the art without departing from the design idea of the present invention belong to the protection scope of the present invention.
Claims (10)
1. A novel electrolytic copper foil production device with an adjustable anode plate is characterized by comprising an electrolytic tank, a metal annular carrying belt or other suitable flexible material carrying belts connected with a power supply cathode, and an adjustable anode plate which is connected with a power supply anode and is correspondingly arranged in the electrolytic tank;
the carrying belt circularly drives around the transmission group, one side of the carrying belt is suspended in the electrolytic tank and is immersed in the electrolyte, the anode plate is arranged at a first preset distance below one side of the carrying belt immersed in the electrolyte, and the polar distance between the anode plate and one side of the carrying belt immersed in the electrolyte can be adjusted by adjusting the height of the anode plate;
the inner side surface and the front and rear end surfaces of the carrier belt are sealed by insulating layers;
in the same electrolytic tank, one side of the carrying belt immersed in the electrolyte is equal to the polar distance of the anode plate correspondingly arranged.
2. The novel electrolytic copper foil production device with the adjustable anode plate as claimed in claim 1, wherein the electrolytic bath and the anode plate are arranged in one-to-one correspondence, and the carrying belt is immersed in the electrolyte and is arranged in parallel with the anode plate in a flat plate manner.
3. The novel electrolytic copper foil production device with the adjustable anode plate of claim 2, wherein the first preset distance is 6-55 mm.
4. The anode plate adjustable novel electrolytic copper foil production device as claimed in claim 3, wherein a plurality of said electrolytic tanks are arranged in series, one side of said carrier belt crosses said plurality of electrolytic tanks through a gap reserved on the side wall of the adjacent electrolytic tank and is immersed in the electrolyte, and the polar distance between said anode plate and one side of said carrier belt immersed in the electrolyte is reduced in each of said electrolytic tanks in the direction in which said carrier belt advances while being immersed in the electrolyte.
5. The novel electrolytic copper foil production device with the adjustable anode plate as claimed in claim 4, wherein the number of the electrolytic tanks is three, three electrolytic tanks are arranged in parallel and adjacently, and the polar distance between the anode plate in each electrolytic tank and the side of the carrier belt immersed in the electrolyte is 12mm, 10mm and 8mm in sequence along the advancing direction of the side of the carrier belt immersed in the electrolyte.
6. The novel electrolytic copper foil production device with the adjustable anode plate as claimed in claim 3, wherein the metal endless belt is made of titanium raw material or composite material with precious metal plated on the surface.
7. The apparatus for producing the novel electrolytic copper foil with the adjustable anode plate as claimed in claim 4, wherein the carrying belt is immersed in the electrolyte and has an electrolyte inlet and an electrolyte outlet on the side walls of the two opposite sides of each electrolytic cell at a second predetermined distance below one side of the carrying belt, the electrolyte inlet or outlet is provided with a control valve capable of adjusting the flow rate, and/or the electrolyte inlet or outlet is adjustable in size.
8. The novel electrolytic copper foil production device with the adjustable anode plate of claim 7, wherein the second preset distance is 12-80 mm.
9. The anode plate adjustable novel electrolytic copper foil production device according to claim 1, wherein a plurality of the electrolytic cells are arranged side by side in an abutting manner, the transmission member group comprises a lower transmission member group respectively arranged in the electrolytic cells at both side end portions and an upper transmission member group respectively arranged at both sides of the outside above the plurality of electrolytic cells, the upper transmission member group positioned at one side of the plurality of electrolytic cells comprises an upper transmission member and a metal foil stripping member, the inner side surface of one end of the upper part of the carrier tape is wound on the upper transmission member and the outer side surface of the carrier tape is in pressing contact with the surface of the metal foil stripping member, the upper transmission member and the metal stripping member rotate in opposite directions, and the carrier tape is in circulating transmission along the lower transmission member group and the upper transmission member group.
10. The novel electrolytic copper foil production device with the adjustable anode plate according to claim 1, further comprising a passivation treatment device and a winding device, wherein the passivation treatment device comprises a passivation treatment tank, upper transmission member groups positioned on two sides of a notch of the passivation treatment tank, and a lower transmission member group positioned inside the passivation treatment tank and capable of enabling the metal foil to be fully immersed in passivation solution, and the metal foil passes through the rear surface of the passivation treatment device to generate an anti-oxidation layer and then is wound by the winding device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121776365.5U CN215757682U (en) | 2021-07-30 | 2021-07-30 | Novel electrolytic copper foil production device with adjustable anode plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121776365.5U CN215757682U (en) | 2021-07-30 | 2021-07-30 | Novel electrolytic copper foil production device with adjustable anode plate |
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| CN215757682U true CN215757682U (en) | 2022-02-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115216813A (en) * | 2022-07-15 | 2022-10-21 | 福建紫金铜箔科技有限公司 | Method for regulating and controlling transverse thickness of copper foil |
-
2021
- 2021-07-30 CN CN202121776365.5U patent/CN215757682U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115216813A (en) * | 2022-07-15 | 2022-10-21 | 福建紫金铜箔科技有限公司 | Method for regulating and controlling transverse thickness of copper foil |
| CN115216813B (en) * | 2022-07-15 | 2024-04-16 | 福建紫金铜箔科技有限公司 | Method for regulating and controlling transverse thickness of copper foil |
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