Electrolytic copper foil passivation treatment device

Abstract

The utility model relates to the technical field of passivation treatment devices, in particular to an electrolytic copper foil passivation treatment device which comprises two symmetrically arranged bases, the top ends of the two bases are fixedly connected with a treatment box, and the bottom of the treatment box is fixedly provided with a sewage collection box through bolts. And two symmetrically arranged brackets are fixedly mounted on the top surface of the treatment box through bolts. The copper foil processing device has the advantages that a proper amount of electrolyte is injected into the processing box, then the winding device is started to wind the copper foil, the copper foil can be driven in the processing box and is in full contact with the electrolyte at the moment, and a part of impurities generated in the electrolysis process can be accumulated on the outer surface of the copper foil; and along with transmission of the copper foil, the top surface and the bottom surface of the copper foil can slide relative to the first cleaning brush and the second cleaning brush, so that impurities can be scraped and accumulated in the dirt collecting tank, the situation that the passivation effect is affected due to the fact that precipitates adhere to the copper foil is prevented, and the corrosion resistance of the passivated copper foil can be greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to passivation treatment device technical field, especially a kind of electrolytic copper foil passivation treatment device. BACKGROUND

[0002] As a basic material for electronic industry, electrolytic copper foil plays a crucial role in the production of printed circuit boards and lithium-ion batteries. It not only serves as a carrier for various electronic components to be assembled, but also acts as the "nerve network" for signal and power transmission in electronic products. However, copper foil is susceptible to oxidation and corrosion during storage, transportation, and use, which can lead to performance degradation. Therefore, passivation treatment of copper foil is a key step to improve its corrosion resistance and high-temperature oxidation resistance.

[0003] During the passivation treatment of electrolytic copper foil, chemical substances in the passivation solution can react with the surface of copper foil under the action of electric field, forming a layer of covering layer. However, during this process, precipitates may be generated, which can easily adhere to the outer surface of copper foil, forming a layer of uneven covering layer. This uneven covering layer can hinder the direct contact between the passivation solution and the surface of copper foil, thereby affecting the progress of passivation reaction. Therefore, a passivation treatment device for electrolytic copper foil is needed to solve the above problems. SUMMARY

[0004] The utility model aims to solve at least one of the technical defects.

[0005] To this end, one object of the utility model is to provide a passivation treatment device for electrolytic copper foil to solve the problems mentioned in the background art and overcome the deficiencies in the prior art.

[0006] To achieve the above-mentioned object, an embodiment of the utility model provides a passivation treatment device for electrolytic copper foil, comprising two symmetrically arranged bases, the top ends of the two bases are fixedly connected with a treatment box, the bottom of the treatment box is fixedly installed with a pollution collection box through bolts, the top surface of the treatment box is fixedly installed with two symmetrically arranged supports through bolts, the inside of the support is rotatably connected with a first guide roller, the inside of the support is rotatably connected with a bidirectional screw rod, the outer surface of the bidirectional screw rod is threadedly connected with two symmetrically arranged moving plates, the bottom of each moving plate is fixedly connected with a first limiting ring, the two first limiting rings are both slidably connected with the first guide roller, the bottom surface of the treatment box is fixedly installed with a U-shaped bracket through bolts, the U-shaped bracket is located inside the pollution collection box, the inside of the U-shaped bracket is fixedly connected with a first cleaning brush, the inner wall of the U-shaped bracket is slidably connected with a second cleaning brush, the first cleaning brush and the second cleaning brush correspond to each other in up and down directions, a plurality of symmetrically arranged springs are fixedly connected between the second cleaning brush and the U-shaped bracket.

[0007] Preferably, the processing box is internally rotatably connected with two symmetrically arranged second guide rollers, and the bottom surface of the processing box is provided with two symmetrically arranged avoiding grooves.

[0008] Preferably, the processing box is fixedly connected with two symmetrically arranged third guide rollers at the bottom, and the U-shaped frame is located between the two third guide rollers, and the outer side of the third guide roller corresponds to the avoiding grooves.

[0009] Preferably, the bottom surface of the second cleaning brush is fixedly connected with a plurality of corrugated hoses, and a plurality of springs are arranged inside the plurality of corrugated hoses.

[0010] Preferably, the bottom surface of the second cleaning brush is fixedly connected with a limiting column, the inside of the U-shaped frame is fixedly connected with a limiting sleeve, and the limiting column and the limiting sleeve are in sliding connection.

[0011] Preferably, the side surface of each moving plate is fixedly connected with an L-shaped support, the bottom end of each L-shaped support is fixedly connected with a second limiting ring, and the two second limiting rings are in sliding connection with the second guide rollers.

[0012] Preferably, the inner wall of the support is fixedly connected with a guide rod, the guide rod corresponds to the bidirectional screw rod in up-down direction, and the two moving plates are in sliding connection with the guide rod.

[0013] Compared with the prior art, the utility model has the advantages and beneficial effects that:

[0014] 1、When the copper foil needs to be electrolyzed and passivated, one end of the copper foil roll is installed between the first guide roller, the second guide roller and the third guide roller and connected with the winding device, then an appropriate amount of electrolyte is injected into the processing box, and then the winding device is started to wind the copper foil. At this time, the copper foil will be driven in the processing box and fully contact with the electrolyte. Some impurities generated during the electrolysis process will accumulate on the outer surface of the copper foil. As the copper foil is driven, the top surface and the bottom surface will slide relative to the first cleaning brush and the second cleaning brush. The impurities can be scraped off. The scraped impurities will accumulate in the dirt collecting box to prevent deposition from adhering to the copper foil and affecting the passivation effect. The corrosion resistance of the copper foil after passivation can be greatly improved.

[0015] 2、When the passivation operation needs to be carried out on copper foils with different widths, the bidirectional screw rod can be twisted to rotate relative to the support, the two moving plates can be driven to move towards each other through threaded transmission, the two first limiting rings can be driven to slide on the outer surfaces of the first guide rollers through the moving plates, so as to adjust the distance between the two first limiting rings, and meanwhile, the two second limiting rings can be driven to slide on the outer surfaces of the second guide rollers through the two moving plates, so that the copper foils with different widths can be limited and deviation of the copper foils during transmission can be prevented. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the assembly body of the utility model;

[0017] Figure 2 It is a structure schematic view of the assembly body of the utility model;

[0018] Figure 3 It is a structure schematic view of the assembly body of the utility model;

[0019] Figure 4 It is a structure schematic view of the processing box of the utility model;

[0020] Figure 5 It is a structure schematic view of the support of the utility model;

[0021] Figure 6 It is a structure schematic view of the U-shaped frame of the utility model.

[0022] In the drawing: 1-base, 2-processing box, 3-pollution collection box, 4-support, 5-first guide roller, 6-bidirectional screw rod, 7-moving plate, 8-first limiting ring, 9-U-shaped frame, 10-first cleaning brush, 11-second cleaning brush, 12-spring, 13-second guide roller, 14-avoiding groove, 15-third guide roller, 16-corrugated hose, 17-limiting column, 18-limiting sleeve, 19-L-shaped support, 20-second limiting ring, 21-guide rod. DETAILED DESCRIPTION

[0023] The utility model will be further described below in combination with the drawings, but the protection scope of the utility model is not limited to the following.

[0024] As Figures 1 to 6As shown in the figure, an electrolytic copper foil passivation treatment device comprises two symmetrically arranged bases 1, the top ends of the two bases 1 are fixedly connected with a treatment box 2, the bottom of the treatment box 2 is fixedly installed with a dirt collecting box 3 through bolts, the top surface of the treatment box 2 is fixedly installed with two symmetrically arranged supports 4 through bolts, the inside of the support 4 is rotatably connected with a first guide roller 5, the inside of the support 4 is rotatably connected with a bidirectional screw rod 6, the outer surface of the bidirectional screw rod 6 is threadedly connected with two symmetrically arranged moving plates 7, the bottom of each moving plate 7 is fixedly connected with a first limiting ring 8, the two first limiting rings 8 are both in sliding connection with the first guide roller 5, the bottom surface of the treatment box 2 is fixedly installed with a U-shaped frame 9 through bolts, the U-shaped frame 9 is located inside the dirt collecting box 3, the inside of the U-shaped frame 9 is fixedly connected with a first cleaning brush 10, the inner wall of the U-shaped frame 9 is in sliding connection with a second cleaning brush 11, the first cleaning brush 10 and the second cleaning brush 11 are in upper and lower correspondence, a plurality of symmetrically arranged springs 12 are fixedly connected between the second cleaning brush 11 and the U-shaped frame 9.

[0025] As an optional technical scheme of the utility model, the inside of the treatment box 2 is rotatably connected with two symmetrically arranged second guide rollers 13, the bottom surface of the treatment box 2 is throughly provided with two symmetrically arranged avoiding grooves 14, the inner side of the second guide roller 13 is respectively in upper and lower correspondence with the two avoiding grooves 14, the avoiding groove 14 is arranged to facilitate the introduction of the copper foil into the inside of the dirt collecting box 3.

[0026] As an optional technical scheme of the utility model, the bottom of the treatment box 2 is fixedly connected with two symmetrically arranged third guide rollers 15, the U-shaped frame 9 is located between the two third guide rollers 15, the outer side of the third guide roller 15 is in upper and lower correspondence with the avoiding groove 14, the third guide roller 15 is arranged to guide the copper foil, so as to facilitate the guarantee of the copper foil passing through between the first cleaning brush 10 and the second cleaning brush 11.

[0027] As an optional technical scheme of the utility model, the bottom surface of the second cleaning brush 11 is fixedly connected with a plurality of corrugated hoses 16, a plurality of springs 12 are located inside the plurality of corrugated hoses 16.

[0028] As an optional technical scheme of the utility model, the bottom surface of the second cleaning brush 11 is fixedly connected with a limiting column 17, the inside of the U-shaped frame 9 is fixedly connected with a limiting sleeve 18, the limiting column 17 is in sliding connection with the limiting sleeve 18, the spring 12 can extrude the second cleaning brush 11, and the first cleaning brush 10 and the second cleaning brush 11 are guaranteed to be in contact with the copper foil.

[0029] As an optional technical scheme of the utility model, one L type support 19 is fixedly connected to the side surface of each moving plate 7, the bottom end of each L type support 19 is fixedly connected with a second limiting ring 20, both second limiting rings 20 are slidably connected with the second guide roller 13, both moving plates 7 can also drive both second limiting rings 20 to slide on the outer surface of the second guide roller 13, so that the copper foil of different widths can be conveniently limited, and the copper foil can be prevented from deviating during transmission.

[0030] As an optional technical scheme of the utility model, the inner wall of the support 4 is fixedly connected with a guide rod 21, the guide rod 21 corresponds to the bidirectional screw rod 6 up and down, both moving plates 7 are slidably connected with the guide rod 21, and the guide rod 21 can guide the movement of both moving plates 7.

[0031] The working principle of the electrolytic copper foil passivation treatment device is as follows:

[0032] 1) when the copper foil needs to be electrolyzed and passivated, one end of the copper foil roll is connected with the winding device between the first guide roller 5, the second guide roller 13 and the third guide roller 15, then an appropriate amount of electrolyte is injected into the treatment box 2, then the winding device is started to wind the copper foil, at this time, the copper foil is transmitted in the treatment box 12 and fully contacts with the electrolyte.

[0033] 2) the transmission of the copper foil, the top surface and the bottom surface meet relative to the first cleaning brush 10 and the second cleaning brush 11, can scrape off impurities, and the scraped impurities are accumulated in the dirt collecting box 3.

[0034] 3) twist the bidirectional screw rod 6 to make it rotate relative to the support 4, through threaded transmission, both moving plates 7 can move towards each other, through the moving plate 7, both first limiting rings 8 can slide on the outer surface of the first guide roller 5, so as to adjust the distance between both first limiting rings 8.

[0035] In summary, the electrolytic copper foil passivation device, when the need for copper foil electrolytic passivation operation, the copper foil roll one end installed in the first guide roller 5, 13 and the third guide roller 15 between the winding device to connect, then in the processing box 2 inside injection of the appropriate amount of electrolyte, then open winding set to copper foil winding, this time the copper foil will be in the processing box 12 inside the transmission and contact with the electrolyte, the impurities produced in the electrolysis process will have a part of the accumulation on the outer surface of the copper foil, with the copper foil transmission its top surface and bottom surface meet relative to the first cleaning brush 10 and the second cleaning brush 11 slip, can remove the impurities, the impurities will be removed in the collection tank 3 inside the accumulation, to prevent sediment adhesion on the copper foil affect its passivation effect, can greatly improve the corrosion resistance of copper foil after passivation, when the need for different width of copper foil passivation operation, can twist the two-way screw 6 makes it relative to the bracket 4 rotation, through the threaded drive can drive two moving plate 7 to move towards each other, through the moving plate 7 can drive two first limiting ring 8 on the outer surface of the first guide roller 5 sliding, in order to adjust the distance between the two first limiting ring 8, at the same time two moving plate 7 will also drive two second limiting ring 20 on the outer surface of the second guide roller 13 sliding, can be convenient for limiting the different width of copper foil, prevent copper foil transmission occurs deviation.

Claims

1. An apparatus for passivating electrolytic copper foil, characterized by: The utility model relates to a double -sided cleaning device for processing box, including two symmetrical setting base (1), the top of two base (1) fixedly connected with processing box (2), the bottom of processing box (2) is fixedly installed with the collection of dirt tank (3) through bolt, the top of processing box (2) is fixedly installed with two symmetrical settings support (4) through bolt, the inside rotation of support (4) is connected with first guide roller (5), the inside rotation of support (4) is connected with bidirectional screw rod (6), the outer surface screw thread connection of bidirectional screw rod (6) has two symmetrical settings moving plate (7), the bottom of every moving plate (7) is fixedly connected with first limit ring (8), two first limit ring (8) all with first guide roller (5) slidingly connected, the bottom of processing box (2) is fixedly installed with U type frame (9) through bolt, U type frame (9) is located in the inside of collection of dirt tank (3), the inside of U type frame (9) is fixedly connected with first cleaning brush (10), the inner wall of U type frame (9) is slidingly connected with second cleaning brush (11), first cleaning brush (10) and second cleaning brush (11) correspond in up and down, a plurality of symmetrical spring (12) are fixedly connected between second cleaning brush (11) and U type frame (9).

2. The device for passivation of electrolytic copper foil according to claim 1, characterized in that: The inside rotation of processing box (2) is connected with two symmetrical settings second guide roller (13), the bottom of processing box (2) is penetrated and is established with two symmetrical settings avoiding slot (14), the inboard of second guide roller (13) is respectively with two avoiding slot (14) up and down correspondingly.

3. The apparatus for passivation of electrolytic copper foil according to claim 2, wherein: The bottom of processing box (2) is fixedly connected with two symmetrical settings third guide roller (15), U type frame (9) is located between two third guide roller (15), the outside of third guide roller (15) and avoiding slot (14) correspond in up and down.

4. The apparatus for passivation of electrolytic copper foil according to claim 3, wherein: The bottom of second cleaning brush (11) is fixedly connected with a plurality of corrugated hoses (16), a plurality of spring (12) are located in a plurality of corrugated hoses (16) inside respectively.

5. The apparatus for passivation of electrolytic copper foil according to claim 4, wherein: The bottom of second cleaning brush (11) is fixedly connected with limit post (17), the inside of U type frame (9) is fixedly connected with limit sleeve (18), limit post (17) and limit sleeve (18) slidingly connected.

6. The apparatus for passivation of electrolytic copper foil according to claim 5, wherein: The side of every moving plate (7) is fixedly connected with an L type support (19), the bottom of every L type support (19) is fixedly connected with second limit ring (20), two second limit ring (20) all with second guide roller (13) slidingly connected.

7. The apparatus for passivation of electrolytic copper foil according to claim 6, wherein: The inner wall of support (4) is fixedly connected with guide rod (21), guide rod (21) and bidirectional screw rod (6) correspond in up and down, two moving plate (7) all with guide rod (21) slidingly connected.

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