Electrolyte tank

Abstract

The utility model provides an electrolyte tank which comprises an electrolyte tank body and a limiting assembly, electrolyte is injected into the electrolyte tank body, the limiting assembly is used for limiting an anode plate below the liquid level of the electrolyte, the limiting assembly comprises a connecting piece and a clamping piece which are connected, the connecting piece is connected with the anode plate, and the clamping piece is connected with the connecting piece. The connecting piece is connected with the top of the electrolyte tank body, an extension block is arranged at the top of the electrolyte tank body, a clamping groove is formed in the extension block, a convex block is arranged at one end of the clamping piece, and the convex block is embedded into the clamping groove, so that the connecting piece is connected with the electrolyte tank body; the extension block is of an annular structure, the extension block is formed by surrounding and extending along the top of the electrolyte tank body, and the extension block is used for expanding the internal volume of the electrolyte tank body. By means of the method and device, the flatness of the surface of the electrolytic copper foil can be improved, raised grains are reduced, and the risk that follow-up machining is difficult or the product performance is reduced due to the raised grains is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of copper foil preparation, in particular to an electrolyte tank. Background Art

[0002] Copper foil is a key conductive material in lithium-ion batteries and printed circuit boards. Depending on the production method, copper foil is divided into electrolytic copper foil and rolled copper foil. Among them, electrolytic copper foil is made by depositing copper ions in the electrolyte on a smooth rotating stainless steel plate (or titanium plate) circular cathode roller. The side of the copper foil close to the cathode roller is called the smooth side, and the other side is called the rough side.

[0003] At present, in the foil production equipment, the anode plate and the electrolyte are kept parallel. Since the electrolyte will gradually decrease during the electrolysis process, or the electrolyte will fluctuate due to external factors, some anode plates will leak out of the electrolyte surface and no longer be in direct contact with the electrolyte, causing the surface of the electrolyzed copper foil to dissolve unevenly and produce wavy patterns. Utility Model Content

[0004] Based on this, the purpose of the present invention is to provide an electrolyte tank to solve the deficiencies in the prior art.

[0005] To achieve the above-mentioned object, the present invention provides an electrolyte tank, comprising an electrolyte tank body, a limiting assembly arranged in the electrolyte tank body, wherein the electrolyte tank body is injected with electrolyte, the limiting assembly is used to limit the anode plate below the liquid level of the electrolyte, the limiting assembly comprises a connecting piece and a clamping piece connected to each other, the connecting piece is connected to the anode plate, and the connecting piece is connected to the top of the electrolyte tank body, an extension block is provided on the top of the electrolyte tank body, a clamping slot is provided on the extension block, a protrusion is provided at one end of the clamping piece, and the protrusion is embedded in the clamping slot to connect the connecting piece to the electrolyte tank body;

[0006] The extension block is formed by surrounding and extending along the top of the electrolyte tank body, and the extension block is used to expand the internal volume of the electrolyte tank body.

[0007] The beneficial effects of the present invention are as follows: a limiting component is provided on the electrolyte tank body, a connector in the limiting component is used to connect with the anode plate, an extension block is provided on the electrolyte tank body, the internal volume of the electrolyte tank body is expanded by the extension block, and the protrusion on the clamping component is embedded in the clamping groove on the extension block so that the clamping component is connected to the electrolyte tank body and the anode plate is limited below the liquid level of the electrolyte, so that the entire anode plate is still in full contact with the electrolyte after the electrolyte fluctuates due to external factors or the electrolyte is reduced during the electrolysis process, which is beneficial to improving the surface flatness of the electrolytic copper foil, reducing the generation of ripples, and reducing the risk of subsequent processing difficulties or product performance degradation caused by ripples.

[0008] Preferably, the clamping member includes a first lever arm, a second lever arm and a rotating fulcrum, the first lever arm and the second lever arm are connected, the rotating fulcrum is located at the intersection of the first lever arm and the second lever arm, the rotating fulcrum is rotatably connected to the first lever arm and / or the second lever arm, and the rotating fulcrum is fixedly connected to the connecting member.

[0009] Preferably, the clamping member also includes a force spring, one end of the force spring is connected to the first force arm or the second force arm, and the other end of the force spring is connected to the extension block, the force spring is located above the protrusion, and the protrusion is provided on the side of the second force arm facing the extension block.

[0010] Preferably, a mounting groove is provided on the connecting member, the second force arm, the rotation fulcrum and part of the first force arm are all located in the mounting groove, and the mounting groove has an opening on one side facing the inner wall of the electrolyte tank body.

[0011] Preferably, a displacement groove is provided on the connecting member, the displacement groove is communicated with the installation groove, and the end of the first force arm away from the rotation fulcrum passes through the displacement groove.

[0012] Preferably, the connecting member includes a first connecting block and a second connecting block, the clamping member is connected to the first connecting block, and the anode plate is connected to the second connecting block.

[0013] Preferably, a clamping piece is provided on the second connection block, and the second connection block is connected to the anode plate via the clamping piece.

[0014] Preferably, the clamping member includes a bolt and a clamping plate, a threaded hole and a slot are provided on the second connecting block, the threaded hole is connected to the slot, the clamping plate is located in the slot, one end of the bolt is connected to the clamping plate through the threaded hole, and the bolt is threadedly connected to the threaded hole.

[0015] Preferably, a support block is provided at the bottom of the electrolyte tank body, a groove is provided on the anode plate, and the top of the support block is embedded in the groove.

[0016] Preferably, the distance between the top of the anode plate and the liquid level of the electrolyte is greater than or equal to 75 mm.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic structural diagram of an electrolyte tank provided in an embodiment of the present utility model;

[0019] Figure 2 A schematic structural diagram of the limiting structure provided by an embodiment of the present utility model at a first viewing angle;

[0020] Figure 3 A schematic structural diagram of the limiting structure provided by an embodiment of the present utility model at a second viewing angle;

[0021] Figure 4 This is a cross-sectional view of the electrolyte tank provided in an embodiment of the present invention in an application state.

[0022] Description of main component symbols:

[0023] 10. Electrolyte tank body; 11. Electrolyte; 12. Extension block; 21. First connecting block; 211. Mounting slot; 212. Displacement slot; 22. Second connecting block; 221. Slot; 223. Bolt; 224. Clamping plate; 23. Protrusion; 24. First force arm; 25. Second force arm; 27. Force spring; 30. Anode plate; 31. Cathode roller; 32. Support block.

[0024] The following specific embodiments will further illustrate the present invention in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0025] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The drawings illustrate several 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. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0026] 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 an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are intended only to describe specific embodiments and are not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0028] See also Figures 1 to 4 , is an electrolyte tank 11 in an embodiment of the present utility model, including an electrolyte tank body 11 and a limiting component.

[0029] Among them: the electrolyte 11 tank body 10 is injected with electrolyte 11, and the top of the electrolyte 11 tank is integrally connected with an extension block 12, which is formed by surrounding and extending along the top of the electrolyte 11 tank body 10 to expand the internal volume of the electrolyte 11 tank body 10, thereby increasing the height of the liquid level of the electrolyte 11 in the electrolyte 11 tank body 10. In order to improve the problem of the electrolyte 11 generating fluctuations or the reduction of the electrolyte 11 during the electrolysis process, which causes part of the anode plate 30 to expose the electrolyte 11, the anode plate 30 is limited at a low position by a limiting component. At a position at least 75 mm above the liquid level of the electrolyte 11, specifically, the limiting assembly includes a connector and a clamping member, the connector is rotatably connected to the middle of the clamping member, the connector is connected to the anode plate 30, and the connector is connected to the top of the electrolyte 11 tank body 10, the connector and the extension block 12 do not interfere with each other, the connector is located inside the electrolyte 11 tank body 10, a protrusion 23 is provided on the clamping member, and a card slot is opened on the extension block 12, the protrusion 23 is embedded in the card slot, so that the connector is connected to the electrolyte 11 tank body 10, thereby limiting the position of the anode plate 30.

[0030] It should be noted that, through the above arrangement, the electrolysis process of the cathode rod and the anode plate 30 is carried out below the electrolyte 11, which means that the electrolysis reaction mainly occurs in the relatively static and deep electrolyte 11 layer, rather than near the liquid surface which is easily affected by fluctuations. This can significantly enhance the uniformity and stability of the electrolysis process, reduce the uneven dissolution of the copper foil surface caused by fluctuations in the electrolyte 11, and effectively prevent the formation of wavy patterns on the copper foil surface.

[0031] In this embodiment, the connecting member includes a first connecting block 21 and a second connecting block 22, the first connecting block 21 and the second connecting block 22 are connected, the first connecting block 21 is perpendicular to the second connecting block 22, the first connecting block 21 is connected to the snap-on member, and the first connecting block 21 is connected to the top of the electrolyte tank body 10, and the second connecting block 22 is connected to the anode plate 30.

[0032] In this embodiment, the clamping member includes a first force arm 24, a second force arm 25, a rotating fulcrum and a force spring 27. The first force arm 24 and the second force arm 25 are connected, the rotating fulcrum is fixedly connected to the first connecting block 21, the rotating fulcrum is a spherical structure, the rotating fulcrum is located at the intersection of the first force arm 24 and the second force arm 25, and the rotating fulcrum is rotatably connected to the first force arm 24 and / or the second force arm 25, so that the first force arm 24, the second force arm 25 and the rotating fulcrum are combined to form a lever structure, and one end of the force spring 27 is connected to the first connecting block 21. A force arm 24 is connected, the force spring 27 is located above the protrusion 23, and the protrusion 23 is arranged on the side of the second force arm 25 facing the extension block 12. It should be noted that when the force spring 27 is in the initial state without external force extrusion, the protrusion 23 on the second force arm 25 is embedded in the slot of the extension block 12. By moving the first force arm 24 and squeezing the force spring 27, the first force arm 24 moves in the direction toward the extension block 12, and the second force arm 25 and the protrusion 23 move in the direction away from the extension block 12, so that the protrusion 23 exits the slot.

[0033] In this embodiment, a mounting groove 211 is provided on the first connecting block 21, and the second force arm 25, the rotating fulcrum and part of the first force arm 24 are all located in the mounting groove 211, and the rotating fulcrum is fixedly connected to the groove wall of the mounting groove 211 on the first connecting block 21. A displacement groove 212 is also provided on the first connecting block 21, and the displacement groove 212 is connected to the mounting groove 211. The end of the first force arm 24 away from the rotating fulcrum passes through the displacement groove 212 and extends out of the first connecting block 21 so that the first force arm 24 can be moved.

[0034] It should be noted that the force spring 27 is located in the displacement slot 212 , and one end of the force spring 27 away from the first force arm 24 is connected to the slot wall of the displacement slot 212 .

[0035] In this embodiment, a clamping member is provided on the second connection block 22 , and the second connection block 22 is connected to the anode plate 30 via the clamping member. That is, the clamping member is used to clamp and fix the anode plate 30 so that the anode plate 30 is connected to the second connection block 22 .

[0036] Specifically, the clamping member includes a bolt 223 and a clamping plate 224. A threaded hole and a slot 221 are provided on the second connecting block 22. The threaded hole is connected to the slot 221. The clamping plate 224 is located in the slot 221. One end of the bolt 223 passes through the threaded hole and is connected to the clamping plate 224. The bolt 223 is threadedly connected to the threaded hole. It should be noted that by inserting one side wall of the anode plate 30 into the slot 221, the bolt 223 is used in conjunction with the threaded hole, so that the clamping plate 224 is in contact with the anode plate 30, so that the clamping plate 224 and the groove wall of the mounting groove 211 clamp the anode plate 30, thereby achieving fixation of the anode plate 30.

[0037] In this embodiment, a support block 32 is provided at the bottom of the electrolyte 11 tank body 10, and a groove is opened at the center position of the bottom of the anode plate 30, and the top of the support block 32 is embedded in the groove. It should be noted that before the anode plate 30 is fixed by the clamping member, the anode plate 30 can be limited and supported, which facilitates the clamping operation of the anode plate 30.

[0038] In a specific implementation, a limiting component is provided on the electrolyte 11 tank body 10, and the connector in the limiting component is used to connect with the anode plate 30. An extension block 12 is provided on the electrolyte 11 tank body 10, and the internal volume of the electrolyte 11 tank body 10 is expanded by the extension block 12. Moreover, the protrusion 23 on the clamping member is embedded in the card groove on the extension block 12, so that the clamping member is connected to the electrolyte 11 tank body 10, and the anode plate 30 is limited below the liquid surface of the electrolyte 11, so that when the electrolyte 11 fluctuates due to external factors or the electrolyte 11 is reduced during the electrolysis process, the entire anode plate 30 is still in full contact with the electrolyte 11, which is beneficial to improving the surface flatness of the electrolytic copper foil, reducing the generation of ripples, and reducing the risk of subsequent processing difficulties or product performance degradation caused by ripples.

[0039] It should be noted that the above implementation process is only to illustrate the feasibility of this application, but it does not mean that the electrolyte tank of this application has only the above-mentioned implementation process. On the contrary, as long as the electrolyte tank of this application can be implemented, it can be included in the feasible implementation plan of this application.

[0040] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0041] The above-described embodiments merely represent several implementation methods of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the scope of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. An electrolyte tank, characterized in that: The electrolyte tank body comprises an electrolyte tank body, and a limiting assembly arranged in the electrolyte tank body, wherein the electrolyte tank body is injected with electrolyte, and the limiting assembly is used to limit the anode plate below the liquid level of the electrolyte, and the limiting assembly comprises a connecting piece and a clamping piece connected to each other, wherein the connecting piece is connected to the anode plate, and the connecting piece is connected to the top of the electrolyte tank body, and an extension block is provided on the top of the electrolyte tank body, and a clamping slot is provided on the extension block, and a protrusion is provided at one end of the clamping piece, and the protrusion is embedded in the clamping slot to connect the connecting piece to the electrolyte tank body; The extension block is formed by surrounding and extending along the top of the electrolyte tank body, and the extension block is used to expand the internal volume of the electrolyte tank body.

2. The electrolyte tank according to claim 1, characterized in that The clamping member includes a first lever arm, a second lever arm and a rotation fulcrum, the first lever arm and the second lever arm are connected, the rotation fulcrum is located at the connection intersection of the first lever arm and the second lever arm, the rotation fulcrum is rotationally connected to the first lever arm and / or the second lever arm, and the rotation fulcrum is fixedly connected to the connecting member.

3. The electrolyte tank according to claim 2, characterized in that The clamping member also includes a force spring, one end of which is connected to the first force arm or the second force arm, and the other end of which is connected to the extension block. The force spring is located above the protrusion, and the protrusion is provided on the side of the second force arm facing the extension block.

4. The electrolyte tank according to claim 2, characterized in that The connecting member is provided with a mounting groove, the second force arm, the rotation fulcrum and part of the first force arm are all located in the mounting groove, and the mounting groove is provided with an opening on a side facing the inner wall of the electrolyte tank body.

5. The electrolyte tank according to claim 4, characterized in that A displacement slot is provided on the connecting member, the displacement slot is communicated with the mounting slot, and one end of the first force arm away from the rotation fulcrum passes through the displacement slot.

6. The electrolyte tank according to claim 1, wherein The connecting member includes a first connecting block and a second connecting block. The clamping member is connected to the first connecting block, and the anode plate is connected to the second connecting block.

7. The electrolyte tank according to claim 6, characterized in that The second connection block is provided with a clamping piece, and the second connection block is connected to the anode plate through the clamping piece.

8. The electrolyte tank according to claim 7, characterized in that The clamping member includes a bolt and a clamping plate. A threaded hole and a slot are provided on the second connecting block. The threaded hole is connected to the slot. The clamping plate is located in the slot. One end of the bolt is connected to the clamping plate through the threaded hole. The bolt is threadedly connected to the threaded hole.

9. The electrolyte tank according to claim 1, wherein A support block is provided at the bottom of the electrolyte tank body, a groove is provided on the anode plate, and the top of the support block is embedded in the groove.

10. The electrolyte tank according to claim 1, wherein The distance between the top of the anode plate and the liquid level of the electrolyte is greater than or equal to 75 mm.

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