A dust removal device for lithium battery production process

Abstract

The utility model relates to lithium ion battery production, concretely relates to a lithium battery production process dust removal device, including dust sticking spare, pole piece insulation spare and magnetic force suction accessory, pole piece insulation spare is buckled on dust sticking spare and makes dust sticking area of dust sticking spare in the insulation cavity of pole piece insulation spare, pole piece insulation spare is provided with a plurality of mesh, can effectively avoid battery pole piece to drop on dust sticking spare with pole piece insulation spare, influences normal production, and magnetic force suction accessory is connected with dust sticking spare and adsorbs magnetic metal dusts / particles in dust, the dust removal device simple structure of the utility model, low in cost, small, arranges the device of the utility model and need not adjust lithium battery production equipment.

Description

Technical Field

[0001] This utility model relates to lithium-ion battery production, specifically to a dust removal device for the lithium battery production process. Background Technology

[0002] Dust is generated everywhere during the lithium battery production process. This dust can cause self-discharge of the core and break down the ceramic film, resulting in a short circuit and posing a safety hazard. Therefore, it is essential to remove dust during the battery production process.

[0003] Currently, conventional lithium battery manufacturers use adhesive paper to remove dust. However, when the equipment malfunctions, battery electrodes can detach and stick to the adhesive paper, causing breakage and significantly impacting production. Furthermore, the adhesive paper's effectiveness in adsorbing dust is relatively poor. Although dedicated dust removal equipment exists, it is relatively expensive and requires a large amount of space. Using such equipment necessitates adjustments to existing workshop equipment and production lines, increasing costs considerably. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a dust removal device for the lithium battery production process, which can improve the existing situation of dust removal using adhesive paper without increasing costs excessively.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a dust removal device for lithium battery production process, including a dust-adhesive component, an electrode separator, and a magnetic adsorption component. The dust-adhesive component has a dust-adhesive area, and the electrode separator has an isolation cavity. The surface of the electrode separator has several mesh holes communicating with the isolation cavity. The electrode separator is fastened to the dust-adhesive component, and the dust-adhesive area is inside the isolation cavity. The magnetic adsorption component is connected to the dust-adhesive component and adsorbs magnetic impurities. The electrode separator can prevent battery electrodes from falling onto the dust-adhesive component, and the magnetic adsorption component can act on magnetic metal particles / dust in the dust, causing them to adhere to the dust-adhesive component.

[0006] As an optional technical solution, the electrode isolation component and the magnetic adsorption component are respectively arranged on opposite sides of the dust-adhesive component.

[0007] As an optional technical solution, the adhesive component is adhesive paper.

[0008] As an optional technical solution, the adhesive paper includes a substrate, and the adhesive area is an adhesive layer disposed on the substrate. The substrate is PE, PP or PET, the adhesive layer is acrylic adhesive, and the thickness is 30μm-200μm. The adhesive layer has an adhesion grade of 200D-1500D.

[0009] As an optional technical solution, the magnetic adsorption component is a sheet magnet, which is attached to the adhesive paper, and the magnetic field strength of the magnetic adsorption component is 100Gs-10000Gs.

[0010] As an optional technical solution, the electrode insulating component is an isolation mesh cover.

[0011] As an optional technical solution, the isolation net is made of stainless steel or plastic, with a thickness of 5mm-100mm and a mesh size of 5mm-100mm.

[0012] Compared with the prior art, the present invention has the following advantages: The present invention provides a simple dust removal device. The dust-adhesive component can adhere to dust. The electrode isolation component is located at the dust-adhesive end of the dust-adhesive component to prevent the battery electrode from falling onto the dust-adhesive component and affecting production. At the same time, the electrode isolation component is provided with several mesh holes for dust to pass through. The magnetic adsorption component is used to provide a supplementary adsorption effect for magnetic metal particles / dust in the dust. The magnetic adsorption component adsorbs magnetic metal particles / dust through the dust-adhesive component and makes them adhere to the dust-adhesive component. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of a dust removal device;

[0015] Figure 2 This is a side view of the dust removal device;

[0016] Figure 3 A top view schematic diagram of the dust removal device;

[0017] In the diagram: 1. Electrode isolation component, 2. Dust-adhesive component, 3. Magnetic adsorption component. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example

[0019] like Figures 1-3As shown, a dust removal device for lithium battery production includes a dust-adhesive component 2, an electrode separator 1, and a magnetic adsorption component 3. The dust-adhesive component 2 has a dust-adhesive area that can adhere to nearby dust. The electrode separator 1 has an isolation cavity with an opening on its surface. The surface of the electrode separator 1 has several mesh holes that communicate with the isolation cavity. The electrode separator 1 is fastened to the dust-adhesive component 2, and the dust-adhesive area of ​​the dust-adhesive component 2 extends into the isolation cavity from the opening. The magnetic adsorption component 3 is connected to the dust-adhesive component 2 and adsorbs magnetic impurities.

[0020] The dust removal device of this embodiment is designed to remove dust during the lithium battery production process. The electrode separator 1 is positioned above the dust-adhesive component 2 to prevent the electrode from falling off and sticking to the dust-adhesive component 2, thereby avoiding any impact on the dust-adhesive component 2. The magnetic adsorption component 3 can further adsorb magnetic metal dust particles, thereby improving the dust removal effect during the lithium battery production process. Moreover, the dust removal device of this embodiment has a simple structure, occupies little space, does not require large-scale modifications to the production workshop, and will not incur excessive costs.

[0021] The electrode isolation component 1 and the magnetic adsorption component 3 are respectively located on opposite sides of the dust-adhesive component 2. The electrode isolation component 1 is located on the dust-adhesive area side of the dust-adhesive component 2 to prevent the electrode from falling and contacting the dust-adhesive component 2. The magnetic adsorption component 3 is located on the side of the dust-adhesive component 2 opposite to the dust-adhesive area, and uses its own magnetic field to adsorb magnetic particle impurities to the dust-adhesive area of ​​the dust-adhesive component 2.

[0022] The dust-adhesive component 2 is preferably dust-adhesive paper, which includes a substrate and an adhesive layer on the substrate. The adhesive layer is the dust-adhesive area of ​​the dust-adhesive component 2. The substrate can be made of PE, PP or PET, and the adhesive layer can be acrylic adhesive. The thickness of the adhesive layer is between 30μm and 200μm, and the adhesive strength of the adhesive layer is preferably between 200D and 1500D.

[0023] The magnetic adsorption component 3 is a sheet magnet. It is attached to the adhesive paper and positioned on the back of the substrate corresponding to the adhesive layer. This allows the magnetic adsorption component 3 to attract and adhere magnetic metal dust / particles from the dust, improving the dust removal efficiency by ensuring the dust / particles adhere to the adhesive area of ​​the adhesive component 2. The magnetic field strength of the magnetic adsorption component 3 is between 100 Gs and 10000 Gs.

[0024] The specifications of the dust-adhesive component 2 can be set according to specific needs to adapt to various locations in the production area. The size of the magnetic adsorption component 3 can be reasonably set according to the size of the dust-adhesive area of ​​the dust-adhesive component 2 so that the dust-adhesive component 2 can achieve the best dust-adhesive effect.

[0025] The electrode separator 1 is an isolation mesh cover, made of stainless steel or plastic. The mesh cover covers the dust-adhesive component 2, ensuring that the dust-adhesive area of ​​the component 2 is within the area covered by the mesh cover. The mesh cover has a thickness of 5mm-100mm, providing sufficient strength to withstand the battery electrodes. The mesh opening diameter of the mesh cover is 5mm-100mm, capable of handling dust particles of a typical size found in production workshops. The size and specifications of the electrode separator 1 are also adjusted to match the dust-adhesive component 2, allowing the device of this embodiment to adapt to multiple locations in the production area.

[0026] In this specification, the terms "an embodiment," "example," "specific example," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions 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 one or more embodiments or examples.

[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A dust removal device for lithium battery production process, characterized in that: It includes a dust-adhesive component (2), an electrode isolation component (1), and a magnetic adsorption component (3). The dust-adhesive component (2) is provided with a dust-adhesive area, and the electrode isolation component (1) is provided with an isolation cavity. The surface of the electrode isolation component (1) is provided with several mesh holes that communicate with the isolation cavity. The electrode isolation component (1) is fastened to the dust-adhesive component (2) and the dust-adhesive area is inside the isolation cavity. The magnetic adsorption component (3) is connected to the dust-adhesive component (2) and adsorbs magnetic impurities.

2. The dust removal device for lithium battery production process according to claim 1, characterized in that: The electrode insulating element (1) and the magnetic adsorption element (3) are respectively disposed on opposite sides of the dust-adhesive element (2).

3. The dust removal device for lithium battery production process according to claim 2, characterized in that: The dust-adhesive part (2) is dust-adhesive paper.

4. The dust removal device for lithium battery production process according to claim 3, characterized in that: The adhesive paper includes a substrate and an adhesive layer on the substrate. The substrate is made of PE, PP or PET, the adhesive layer is made of acrylic adhesive and has a thickness of 30μm-200μm. The adhesive strength of the adhesive layer is 200D-1500D.

5. A dust removal device for lithium battery production process according to claim 3, characterized in that: The magnetic adsorption component (3) is a sheet magnet. The magnetic adsorption component (3) is attached to the dust-adhesive paper. The magnetic field strength of the magnetic adsorption component (3) is 100Gs-10000Gs.

6. A dust removal device for lithium battery production process according to claim 2, characterized in that: The electrode insulating element (1) is an insulating mesh cover.

7. A dust removal device for lithium battery production process according to claim 6, characterized in that: The isolation netting is made of stainless steel or plastic, with a thickness of 5mm-100mm and a mesh size of 5mm-100mm.

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