Passivation tank for composite copper foil

Abstract

The utility model relates to the technical field of passivation tanks, and particularly discloses a passivation tank for a composite copper foil, which comprises a composite copper foil and a passivation tank, anti-oxidation liquid is arranged in the passivation tank, a first conductive roller and a conveying roller are arranged on one side of the passivation tank, and a wringing roller and a second conductive roller are arranged on the other side of the passivation tank. An anti-oxidation liquid lower roller is arranged in the passivation tank, and the composite copper foil is arranged between the first conductive roller and the conveying roller and between the wringing roller and the second conductive roller; the liquid level of the anti-oxidation liquid is higher than the top end face of the anti-oxidation liquid lower roller, the composite copper foil is arranged below the anti-oxidation liquid lower roller, and the composite copper foil is connected to the anti-oxidation liquid lower roller in a sliding mode. According to the utility model, the copper foil layers on the two surfaces of the composite copper foil can be passivated at the same time, the treatment efficiency is improved, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of passivation tank, specifically relates to a kind of for composite copper foil passivation tank. BACKGROUND

[0002] Composite copper foil is a kind of composite material consisting of polymer layer and copper layer, widely used in electronic products, lithium battery negative electrode current collector and other fields.Passivation tank is a kind of equipment for metal surface treatment, mainly used in passivation treatment process, passivation is formed by chemical method on the surface of metal to form a protective film, to improve the corrosion resistance, oxidation resistance and aesthetic property of metal, passivation tank is usually used for passivation treatment of stainless steel, aluminum alloy, copper alloy and other metals.

[0003] The prior art still has the following to be improved: because the copper foil layer of the two sides of composite copper foil cannot be directly conducted, the existing passivation tank cannot simultaneously treat the copper foil layer of the two sides when passivating composite copper foil, needs to treat the other side again after treating the copper foil layer of one side, the processing efficiency is low, and the labor cost and production cost are high. UTILITY MODEL CONTENT

[0004] To solve the above problems in the prior art, the utility model provides a passivation tank for composite copper foil, which can simultaneously passivate the copper foil layer of the two sides of composite copper foil, improve the processing efficiency and reduce the production cost.

[0005] The purpose of the utility model can be realized by the following technical solutions:

[0006] A passivation tank for composite copper foil, comprising a composite copper foil and a passivation tank, an anti-oxidation liquid is arranged in the passivation tank, a first conductive roller and a conveying roller are arranged on one side of the passivation tank, a squeezing roller and a second conductive roller are arranged on the other side of the passivation tank, an anti-oxidation liquid lower roller is arranged in the passivation tank, and the composite copper foil is arranged between the first conductive roller and the conveying roller and between the squeezing roller and the second conductive roller.

[0007] Preferably, the liquid level of the anti-oxidation liquid is higher than the top end surface height of the anti-oxidation liquid lower roller, the composite copper foil is arranged below the anti-oxidation liquid lower roller, and the composite copper foil is slidingly connected to the anti-oxidation liquid lower roller.

[0008] Preferably, a first anode plate and a second anode plate are arranged in the passivation tank, and the top end surface height of the first anode plate and the top end surface height of the second anode plate are lower than the liquid level of the anti-oxidation liquid.

[0009] Preferably, the first anode plate is arranged on one side of the composite copper foil, and the second anode plate is arranged on the other side of the composite copper foil and corresponds to the position of the second conductive roller.

[0010] Preferably, a protruding section is arranged on the upper part of one side of the passivation tank, the protruding section is arranged in an L shape, and the second conductive roller is arranged at the protruding section of the passivation tank.

[0011] Preferably, the composite copper foil comprises a first copper foil layer, a base layer and a second copper foil layer, and the base layer is arranged between the first copper foil layer and the second copper foil layer.

[0012] Preferably, the thickness of the first copper foil layer is 1 mu m, the thickness of the base layer is 4 mu m, and the thickness of the second copper foil layer is 1 mu m.

[0013] Preferably, the material of the base layer is one or more of PP polypropylene, PET polyethylene terephthalate and PI polyimide.

[0014] The utility model discloses the beneficial effect is:

[0015] (1) through setting squeeze water roller, anti -oxidation liquid down roller, passivation tank and anti -oxidation liquid, can reach the technical effect is squeeze water roller and second conductive roller cooperation, can squeeze out the redundant moisture of composite copper foil surface, to reduce the corrosion and oxidation risk of moisture to composite copper foil surface, and through squeeze water roller extrusion moisture, can also reduce the drying temperature when drying composite copper foil subsequently, thereby save energy, the inside of passivation tank is provided with anti -oxidation liquid down roller, and the liquid level height of anti -oxidation liquid is higher than the top end face height of anti -oxidation liquid down roller, and the composite copper foil is arranged below the anti -oxidation liquid down roller, and the composite copper foil is slidably connected to the anti -oxidation liquid down roller, to ensure that the part of the composite copper foil that needs passivation treatment is completely immersed in the anti -oxidation liquid, and the passivation effect is ensured.

[0016] (2) through setting composite copper foil, first conductive roller, second conductive roller, first anode plate and second anode plate, can reach the technical effect first conductive roller and first anode plate cooperation power on, and the second conductive roller and the second anode plate cooperate power on, can realize the passivation treatment of first copper foil layer and second copper foil layer of composite copper foil simultaneously, improve processing efficiency, reduce labor cost, and reduce production cost. ACCURACY

[0017] In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in conjunction with the drawings.

[0018] Figure 1 The structure of the utility model is shown in the figure.

[0019] Figure 2The utility model discloses a composite copper foil structure diagram.

[0020] Main element symbol explanation:

[0021] In the drawing: 1, composite copper foil; 101, first copper foil layer; 102, base layer; 103, second copper foil layer; 2, first conductive roller; 3, conveying roller; 4, squeezing roller; 5, second conductive roller; 6, first anode plate; 7, second anode plate; 8, anti-oxidation liquid lower roller; 9, passivation tank; 10, anti-oxidation liquid. Specific embodiments

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application, and all other embodiments obtained by those skilled in the art without creative labor based on the embodiments in the present application are within the scope of protection of the present application.

[0023] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] Reference Figure 1 And Figure 2The utility model discloses a passivation tank for composite copper foil, including composite copper foil 1 and passivation tank 9, be provided with the anti -oxidation liquid 10 in passivation tank 9, the one side of passivation tank 9 is provided with first conducting roller 2 and conveying roller 3, the other side of passivation tank 9 is provided with squeeze water roller 4 and second conducting roller 5, cooperate through setting squeeze water roller 4 and second conducting roller 5, can squeeze out the moisture of composite copper foil 1 surface excess, to reduce the corrosion and oxidation risk of moisture to composite copper foil 1 surface, and still can reduce the drying temperature when drying composite copper foil 1 subsequently through squeeze water roller 4, thereby save energy, the inside of passivation tank 9 is provided with anti -oxidation liquid lower roll 8, and composite copper foil 1 is set up between first conducting roller 2 and conveying roller 3 and between squeeze water roller 4 and second conducting roller 5, the liquid level height of anti -oxidation liquid 10 is higher than the top end face height of anti -oxidation liquid lower roll 8, and composite copper foil 1 is set up below anti -oxidation liquid lower roll 8, and composite copper foil 1 is connected in anti -oxidation liquid lower roll 8 with sliding, guarantee the part that composite copper foil 1 needs passivation treatment is completely immersed in anti -oxidation liquid 10, guarantee passivation effect.

[0026] First anode plate 6 and second anode plate 7 are provided in passivation tank 9, and the top end face height of first anode plate 6 and the top end face height of second anode plate 7 are lower than the liquid level height of anti -oxidation liquid 10, first anode plate 6 is set up on one side of composite copper foil 1, and second anode plate 7 is set up on the other side of composite copper foil 1, and the position of second anode plate 7 corresponds to second conducting roller 5, and the upper portion of one side of passivation tank 9 is provided with a protruding section, and the protruding section is provided in an L shape, and second conducting roller 5 is provided at the protruding section of passivation tank 9.

[0027] By setting first conducting roller 2 and first anode plate 6 cooperate power on, and second conducting roller 5 and second anode plate 7 cooperate power on, the first copper foil layer 101 and the second copper foil layer 103 of composite copper foil 1 can be passivated simultaneously, the processing efficiency is improved, the labor cost is reduced, and the production cost is reduced.

[0028] Composite copper foil 1 includes a first copper foil layer 101, a base layer 102, and a second copper foil layer 103, the base layer 102 is disposed between the first copper foil layer 101 and the second copper foil layer 103, the thickness of the first copper foil layer 101 is 1 μm, the thickness of the base layer 102 is 4 μm, and the thickness of the second copper foil layer 103 is 1 μm, and the base layer 102 is made of one or more of PP polypropylene, PET polyethylene terephthalate, and PI polyimide.

[0029] The working principle and use process of the utility model: the first anode plate 6 and the second anode plate 7 are connected with the power supply anode, the first conductive roller 2 and the second conductive roller 5 are connected with the power supply cathode, the power supply is started, the first conductive roller 2, the conveying roller 3, the anti-oxidation liquid lower roller 8, the water squeezing roller 4 and the second conductive roller 5 rotate and cooperate to drive the composite copper foil 1 to move, make the composite copper foil 1 immerse in the anti-oxidation liquid 10 of the passivation tank 9, the first anode plate 6 and the first conductive roller 2 cooperate, the second anode plate 7 and the second conductive roller 5 cooperate and carry out passivation treatment to the first copper foil layer 101 and the second copper foil layer 103 of the composite copper foil 1, the water squeezing roller 4 and the second conductive roller 5 cooperate and squeeze the excess moisture on the surface of the composite copper foil 1, to reduce the corrosion and oxidation risk of the moisture on the surface of the composite copper foil 1.

[0030] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model has disclosed the above preferred embodiment, however, it is not used to limit the utility model, any person skilled in the art, within the scope of the utility model technical scheme, can make some changes or modifications to the equivalent embodiment of equivalent change by using the above disclosed technical content, but as long as it does not deviate from the utility model technical scheme content, according to the technical essence of the utility model, any brief introduction, modification, equivalent change and modification of the above embodiment, still belongs to the scope of the utility model technical scheme.

Claims

1. A passivation tank for composite copper foil, characterized by: The composite copper foil (1) is arranged between the first conductive roller (2) and the conveying roller (3) and between the water squeezing roller (4) and the second conductive roller (5).

2. The passivation tank for composite copper foil according to claim 1, characterized by: The liquid level of the antioxidant liquid (10) is higher than the top end surface height of the antioxidant liquid lower roller (8), the composite copper foil (1) is arranged below the antioxidant liquid lower roller (8), and the composite copper foil (1) is slidingly connected to the antioxidant liquid lower roller (8).

3. The passivation tank for composite copper foil according to claim 1, characterized by: The first anode plate (6) and the second anode plate (7) are arranged in the passivation tank (9), the top end surface height of the first anode plate (6) and the top end surface height of the second anode plate (7) are lower than the liquid level of the antioxidant liquid (10).

4. The passivation tank for composite copper foil according to claim 3, characterized by: The first anode plate (6) is arranged on one side of the composite copper foil (1), the second anode plate (7) is arranged on the other side of the composite copper foil (1), and the second anode plate (7) corresponds to the position of the second conductive roller (5).

5. The passivation tank for composite copper foil according to claim 1, characterized by: The protruding section is arranged on the upper part of one side of the passivation tank (9), the protruding section is arranged in an L shape, and the second conductive roller (5) is arranged at the protruding section of the passivation tank (9).

6. The passivation tank for composite copper foil according to claim 1, characterized by: The composite copper foil (1) comprises a first copper foil layer (101), a base layer (102), and a second copper foil layer (103), and the base layer (102) is arranged between the first copper foil layer (101) and the second copper foil layer (103).

7. A passivation tank for composite copper foil according to claim 6, characterized in that: The thickness of the first copper foil layer (101) is 1 µm, the thickness of the base layer (102) is 4 µm, and the thickness of the second copper foil layer (103) is 1 µm.

8. The passivation tank for composite copper foil according to claim 6, characterized by: The material of the base layer (102) is one or more of PP polypropylene, PET polyethylene terephthalate, and PI polyimide.

Images