Production equipment of porous copper foil

Abstract

The utility model discloses production equipment for porous copper foil, which is used for producing copper foil with holes and comprises an electrolysis area, a functional area and a processing area, an anode tank and a cathode roller are arranged in the electrolysis area, the cathode roller is partially arranged in the anode tank, the functional area is arranged on one side of the electrolysis area, a switching device and a cleaning device are arranged in the functional area, and the processing area is arranged in the processing area. The cleaning device is arranged on one side of the rotary cutting device, the rotary cutting device comprises a first pressing roller and a second pressing roller, the processing area is arranged on the side, away from the electrolysis area, of the functional area, a passivation tank is arranged in the processing area, and two opposite drying ovens are arranged on the side, away from the cleaning device, of the passivation tank in the vertical direction; a winding part is arranged on one side, far away from the passivation tank, of the drying oven; according to the continuous production line, a plurality of key steps such as punching, scrap cleaning and passivating are integrated on the continuous production line, the integrated production process shortens the production cycle, reduces extra equipment requirements, remarkably improves the production efficiency, and reduces energy consumption and material waste.

Description

Technical Field

[0001] The utility model relates to the technical field of metal material processing, in particular to a production device for porous copper foil. Background Art

[0002] At present, the preparation technologies of porous copper foil mainly include punching method, chemical etching method and insulated electrolysis method. These methods have their own advantages and disadvantages. For example, although the punching method is direct, its accuracy and efficiency are limited, the chemical etching method is environmentally friendly, and the insulated electrolysis method requires large equipment investment.

[0003] In the prior art, the production of porous copper foil often requires multiple independent processing steps, which increases production costs and time consumption. Utility Model Content

[0004] In view of the above situation, a production device for porous copper foil is provided to solve the problem in the prior art that, in the copper foil production process, holes need to be punched separately after the copper foil is made.

[0005] A production device for porous copper foil, used for producing copper foil with holes, the production device comprises an electrolysis area, a functional area and a processing area;

[0006] An anode tank and a cathode roller are arranged in the electrolysis area, and the cathode roller is partially arranged in the anode tank;

[0007] The functional area is arranged at one side of the electrolysis area, and a rotary cutting device and a cleaning device are arranged in the functional area. The cleaning device is arranged at one side of the rotary cutting device. The rotary cutting device includes a first pressing roller and a second pressing roller. The first pressing roller and the second pressing roller are arranged opposite to each other in a vertical direction. The first pressing roller includes a first rubber roller and a mold part. The mold part is fixed along the outer circumference of the first rubber roller. A plurality of convex parts are evenly distributed on the mold part at intervals. The convex parts are used to form holes on the rolled copper foil. The cleaning device includes two oppositely arranged closed boxes and a plurality of adsorption mechanisms. The adsorption mechanisms are arranged in the closed box.

[0008] The processing area is arranged on a side of the functional area away from the electrolysis area. A passivation tank is arranged in the processing area. The passivation tank is used to perform corrosion resistance treatment on the rolled copper foil. Two oppositely arranged ovens are arranged in a vertical direction on a side of the passivation tank away from the cleaning device. The two ovens are used to dry the copper foil. A winding section is arranged on a side of the oven away from the passivation tank. The winding section is used to wind up the dried copper foil.

[0009] According to the utility model, after the electrolysis and stripping process, the copper foil is directly punched, and the required pore structure is formed by the mold part through the pressure roller. In this process, a rubber roller with high hardness is used to ensure close contact with the copper foil, and the relative movement of the rubber roller and the mold part is controlled to achieve accurate punching, while reducing material loss and surface damage. After the punching, cleaning is immediately performed to effectively remove residual debris on the surface of the copper foil and in the pores to keep the copper foil clean, and then passivation treatment is immediately performed to ensure that all cutting edges including the newly formed hole walls can obtain a uniform passivation layer, thereby improving the product's oxidation resistance and overall durability. According to the utility model, by integrating multiple key steps such as punching, debris cleaning and passivation on the production line, the precisely controlled punching and immediate passivation ensure the structural integrity and surface quality of the copper foil, the integrated production process shortens the production cycle, reduces the demand for additional equipment and the consumption of manpower and material resources, and the overall process optimization reduces the use of chemicals and waste generation, meets the requirements of green production, significantly improves production efficiency, and reduces energy consumption and material waste.

[0010] Furthermore, a stripping roller is provided between the electrolysis zone and the functional zone. The stripping roller is provided on one side of the electrolysis zone. The height of the stripping roller in the vertical direction is higher than the height of the electrolysis zone. The stripping roller is used to strip the copper foil from the cathode roller.

[0011] Furthermore, a plurality of guide rollers are provided between the electrolysis zone and the functional zone, the plurality of guide rollers are located on one side of the stripping roller and away from the electrolysis zone, the height of the plurality of guide rollers in the vertical direction is consistent with the height of the functional zone, the plurality of guide rollers extend toward the direction of the rotary cutting device, and the copper foil is transmitted to the rotary cutting device through the plurality of guide rollers.

[0012] Furthermore, the mold part is made of steel.

[0013] Furthermore, the convex portion is a cube, a cuboid, a cylinder or a cone.

[0014] Furthermore, the two relatively arranged closed boxes are arranged on the upper surface and the lower surface of the copper foil in the vertical direction, and a plurality of the adsorption mechanisms are negative pressure components, and the negative pressure components are evenly distributed in the closed boxes.

[0015] Furthermore, the height of the passivation tank along the vertical direction is lower than the height of the functional area, and an electroplating solution is provided in the passivation tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the first pressing roller of the first embodiment of the utility model.

[0018] Description of the drawings: 1. Electrolysis area; 11. Anode tank; 12. Cathode tank; 2. Functional area; 21. Cutting device; 211. First pressure roller; 2111. Mold piece; 2112. Protrusion; 2113. First rubber roller; 212. Second pressure roller; 22. Cleaning device; 221. Closed box; 222. Adsorption mechanism; 23. Peeling roller; 24. Guide roller; 3. Processing area; 31. Passivation tank; 32. Oven; 33. Winding section. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The drawings provide embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing this embodiment is to make the disclosure of the present invention more thorough and comprehensive.

[0020] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by technicians in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items. In addition, the various embodiments of the present invention, the features in the embodiments, and the features of the embodiments can be freely combined without obvious conflicts or contradictions.

[0022] A production device for porous copper foil, such as Figure 1 and Figure 2 As shown, the production equipment is used to produce copper foil with holes, and includes an electrolysis area 1, a functional area 2 and a processing area 3.

[0023] Specifically, the electrolysis area 1 includes an anode tank 11 and a cathode roller 12 , and the cathode roller 12 is partially disposed in the anode tank 11 .

[0024] Specifically, a stripping roller 23 and a plurality of guide rollers 24 are provided between the electrolysis zone 1 and the functional zone 2. The stripping roller 23 is provided on one side of the electrolysis zone 1. The height of the stripping roller 23 in the vertical direction is higher than the height of the electrolysis zone 1. The stripping roller 23 strips the copper foil from the cathode roller 12.

[0025] The guide roller 24 is located on one side of the stripping roller 23 and away from the electrolysis area 1. The height of the multiple guide rollers 24 in the vertical direction is consistent with the height of the functional area 2. The multiple guide rollers 24 extend toward the direction of the rotary cutting device 21. The copper foil is transmitted to the rotary cutting device 21 through the guide rollers 24.

[0026] Specifically, the functional area 2 is arranged on one side of the electrolysis area 1, and a cutting device 21 and a cleaning device 22 are arranged in the functional area 2. The cleaning device 22 is facing away from the guide roller 24, and the cleaning device 22 is arranged on one side of the cutting device 21. The cutting device 21 includes a first pressing roller 211 and a second pressing roller 212. The first pressing roller 211 is arranged above the second pressing roller 212 in the vertical direction. The first pressing roller 211 includes a first rubber roller 2113 and a mold part 2111. The mold part 2111 is fixed along the outer circumference of the first rubber roller 2113. The mold part 2111 is made of steel. A plurality of convex portions 2112 are evenly distributed on the mold part 2111. The convex portions 2112 are cubes, rectangular parallelepipeds, cylinders or cones. The convex portions 2112 are used to form holes in the rolled copper foil.

[0027] It can be understood that the first pressing roller 211 can be arranged below the second pressing roller 212 .

[0028] Specifically, the cleaning device 22 includes two relatively arranged closed boxes 221 and a plurality of adsorption mechanisms 222. The two relatively arranged closed boxes 221 are arranged on the upper and lower surfaces of the copper foil in a vertical direction. The plurality of adsorption mechanisms 222 are negative pressure components, and the negative pressure components are evenly distributed in the closed boxes 221.

[0029] Specifically, the processing area 3 is arranged on one side of the functional area 2, and a passivation tank 31 is arranged in the processing area 3. The passivation tank 31 is used to perform corrosion resistance treatment on the rolled copper foil. The passivation tank 31 is provided with an electroplating liquid. An oven 32 is arranged vertically on the side of the passivation tank 31 away from the cleaning device 22. The oven 32 is used to dry the copper foil. A winding portion 33 is arranged on the side of the oven 32 away from the passivation tank 31.

[0030] In the utility model, after the electrolysis and stripping process, the copper foil is directly punched, and the convex part 2112 of the mold part 2111 of the first pressing roller 211 cooperates with the second pressing roller 212 to form a pore structure on the copper foil. In this process, the first rubber roller 2113 with high hardness is used to ensure close contact with the copper foil. By controlling the relative movement of the first rubber roller 2113 and the mold part 2111, accurate punching is achieved, while reducing material loss and surface damage. Cleaning is performed immediately after punching, and the adsorption mechanism 222 effectively removes residual debris on the surface of the copper foil and in the pores to keep the copper foil clean. Then, the passivation tank 31 is used to The copper foil is immediately passivated to ensure that all cut edges including newly formed hole walls can obtain a uniform passivation layer, thereby improving the product's oxidation resistance and overall durability. The utility model integrates multiple key steps such as punching, debris cleaning and passivation on the production line. The precisely controlled punching and immediate passivation ensure the structural integrity and surface quality of the copper foil. The integrated production process shortens the production cycle, reduces the demand for additional equipment and the consumption of manpower and material resources. The overall process optimization reduces the use of chemicals and waste generation, meets the requirements of green production, significantly improves production efficiency, and reduces energy consumption and material waste.

[0031] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The above-mentioned embodiments only express the implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A production equipment for porous copper foil, used for producing copper foil with holes, characterized in that: The production equipment includes an electrolysis area, a functional area and a processing area; An anode tank and a cathode roller are arranged in the electrolysis area, and the cathode roller is partially arranged in the anode tank; The functional area is arranged at one side of the electrolysis area, and a rotary cutting device and a cleaning device are arranged in the functional area. The cleaning device is arranged at one side of the rotary cutting device. The rotary cutting device includes a first pressing roller and a second pressing roller. The first pressing roller and the second pressing roller are arranged opposite to each other in a vertical direction. The first pressing roller includes a first rubber roller and a mold part. The mold part is fixed along the outer circumference of the first rubber roller. A plurality of convex parts are evenly distributed on the mold part at intervals. The convex parts are used to form holes on the rolled copper foil. The cleaning device includes two oppositely arranged closed boxes and a plurality of adsorption mechanisms. The adsorption mechanisms are arranged in the closed box. The processing area is arranged on a side of the functional area away from the electrolysis area. A passivation tank is arranged in the processing area. The passivation tank is used to perform corrosion resistance treatment on the rolled copper foil. Two oppositely arranged ovens are arranged in a vertical direction on a side of the passivation tank away from the cleaning device. The two ovens are used to dry the copper foil. A winding section is arranged on a side of the oven away from the passivation tank. The winding section is used to wind up the dried copper foil.

2. The production equipment of porous copper foil according to claim 1, characterized in that: A stripping roller is provided between the electrolysis zone and the functional zone. The stripping roller is provided on one side of the electrolysis zone. The height of the stripping roller in the vertical direction is higher than the height of the electrolysis zone. The stripping roller is used to strip the copper foil from the cathode roller.

3. The production equipment of porous copper foil according to claim 2, characterized in that: A plurality of guide rollers are arranged between the electrolysis zone and the functional zone, the plurality of guide rollers are located on one side of the stripping roller and away from the electrolysis zone, the height of the plurality of guide rollers in the vertical direction is consistent with the height of the functional zone, the plurality of guide rollers extend toward the direction of the rotary cutting device, and the copper foil is transmitted to the rotary cutting device through the plurality of guide rollers.

4. The production equipment of porous copper foil according to claim 1, characterized in that: The mold part is made of steel.

5. The production equipment of porous copper foil according to claim 1, characterized in that: The convex part is a cube, a cuboid, a cylinder or a cone.

6. The production equipment of porous copper foil according to claim 1, characterized in that: The two oppositely arranged closed boxes are arranged on two opposite sides of the copper foil in a vertical direction, and a plurality of the adsorption mechanisms are negative pressure components, which are evenly distributed in the closed boxes.

7. The production equipment of porous copper foil according to claim 1, characterized in that: The height of the passivation tank along the vertical direction is lower than the height of the functional area, and an electroplating solution is arranged in the passivation tank.

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