Pole piece compounding device

Abstract

The utility model relates to the technical field of pole piece production, in particular to a pole piece compounding device. Comprising a membrane unwinding assembly used for outputting a membrane; the foil unwinding assembly is used for outputting the foil; the compounding assembly is connected with the film unwinding assembly and the foil unwinding assembly and used for aligning and compacting the film and the foil; and the winding assembly is connected with the compounding assembly and is used for winding the compacted membrane and the foil material. Through the arrangement of the membrane unwinding assembly, the foil unwinding assembly, the compounding assembly and the winding assembly, compounding of the membrane and the foil can be efficiently completed, the production efficiency is high, and the device is suitable for industrial application.

Description

Technical Field

[0001] The utility model relates to the technical field of pole piece production, in particular to a pole piece composite device. Background Art

[0002] The existing preparation method of electrode plates is mainly wet coating, that is, firstly, in the homogenization process, a solvent is used to stir and disperse the active material powder, the binder powder, the conductive agent powder, etc. into a slurry, and then in the coating process, the slurry is quantitatively coated on the current collector such as copper or aluminum foil and dried to form a loose and porous electrode plate. However, this process uses a large amount of solvent in the slurry, the equipment is large in size, expensive and energy-intensive;

[0003] Another process is dry electrode preparation, which can obtain dry electrode pole pieces by hot-pressing a prefabricated rolled film and a current collector. However, the equipment structure of this preparation method is complex and the production efficiency is low.

[0004] Therefore, it is necessary to propose a technical means to solve the above defects. Utility Model Content

[0005] The utility model adopts the following technical solutions:

[0006] A pole piece composite device comprises a diaphragm unwinding assembly for outputting diaphragms; a foil unwinding assembly for outputting foils; a composite assembly, the composite assembly being connected to the diaphragm unwinding assembly and the foil unwinding assembly and being used to align and compact the diaphragms and foils; and a winding assembly, the unwinding assembly being connected to the composite assembly and being used to wind up the compacted diaphragms and foils.

[0007] Preferably, the film unwinding assembly includes a first unwinding shaft for unwinding the film, a first roller for winding the film so that the film is unwound and advanced along a preset direction, and a brush installed on the film conveying path for cleaning both sides of the film.

[0008] Preferably, the foil unwinding assembly comprises a second unwinding shaft for unwinding the foil, and a second roller for winding the foil so that the foil is unwound and advanced along a preset direction.

[0009] Preferably, the composite assembly comprises a laminating unit for laminating the film sheet and the foil material, and a compacting unit for compacting the laminating film sheet and the foil material.

[0010] Preferably, the laminating unit includes a first abutting roller and a second abutting roller abutting against the first abutting roller.

[0011] Preferably, the compacting unit comprises a first pressing roller and a second pressing roller for allowing the laminated film and foil to pass therebetween and compacting them.

[0012] Preferably, an adjusting unit is further included between the laminating unit and the compacting unit; the adjusting unit includes an adjusting roller installed on the laminating film and foil, and a cylinder connected to the adjusting roller for driving the adjusting roller to vertically move up and down.

[0013] Preferably, the winding assembly comprises a third roller for winding the compacted film and foil material to make them move in a preset direction, and a winding shaft for winding the compacted film and foil material.

[0014] Preferably, a thickness measuring component for measuring the thickness of the material strip after bonding and compaction is provided between the composite component and the winding component.

[0015] Preferably, the thickness measuring component is a laser thickness gauge.

[0016] The pole piece composite device involved in the utility model can efficiently complete the composite of the diaphragm and the foil through the arrangement of the diaphragm unwinding assembly, the foil unwinding assembly, the composite assembly and the winding assembly, has high production efficiency and is suitable for industrial applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a schematic structural diagram of a pole piece composite device. DETAILED DESCRIPTION

[0018] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] See also Figure 1 A pole piece composite device includes a diaphragm unwinding assembly 10 for outputting diaphragms; a foil unwinding assembly 20 for outputting foils; a composite assembly 30, which is connected to the diaphragm unwinding assembly 10 and the foil unwinding assembly 20 and is used to align and compact the diaphragm and the foil; and a winding assembly 40, which is connected to the composite assembly 30 and is used to wind up the compacted diaphragm and foil.

[0022] In the pole piece composite device involved in the present invention, through the arrangement of the diaphragm unwinding assembly 10, the foil unwinding assembly 20, the composite assembly 30 and the winding assembly 40, the diaphragm and the foil can be efficiently composited, the production efficiency is high, and it is suitable for industrial applications.

[0023] In a specific embodiment, the film unwinding assembly 10 includes a first unwinding shaft 101 for unwinding the film, a first roller 102 for winding the film so that the film is unwound and advanced in a preset direction, and a brush 103 installed on the film conveying path for cleaning both sides of the film. Specifically, in this embodiment, two brushes 103 are provided, and the two brushes 103 are respectively arranged on both sides of the film, which are used to clean the surface of the brush 103 when the film is conveyed and advanced, thereby effectively improving the subsequent composite effect of the film and the foil. Further, the foil unwinding assembly 20 includes a second unwinding shaft 201 for unwinding the foil, and a second roller 202 for winding the foil so that the foil is unwound and advanced in a preset direction. Further, the composite assembly 30 includes a bonding unit for bonding the film and the foil, and a compacting unit for compacting the bonded film and the foil.

[0024] In a specific embodiment, the laminating unit includes a first abutting roller 301 and a second abutting roller 302 abutting against the first abutting roller 301. In this embodiment, during operation, the film and the foil pass between the first abutting roller 301 and the second abutting roller 302 under the guidance of the first passing roller 102 and the second passing roller 202, so that the film and the foil can be effectively laminated together. Further, the compacting unit includes a first pressing roller 303 and a second pressing roller 304 for passing the laminated film and foil between them and compacting them. Further, an adjusting unit is also included between the laminating unit and the compacting unit; the adjusting unit includes an adjusting roller 305 installed on the laminated film and foil, and a cylinder 306 connected to the adjusting roller 305 for driving the adjusting roller 305 to rise and fall vertically. Specifically, in this embodiment, by adjusting the cylinder 306 to drive the adjusting roller 305 to press against the laminated film and foil, the tension of the material strip formed by the laminated film and foil can be effectively adjusted so that they can be more effectively laminated together and move toward the compacting unit, thereby improving the compaction effect.

[0025] In a specific embodiment, the winding assembly 40 includes a third roller 401 for winding the compacted film and foil so that the film and foil can move in a preset direction, and a winding shaft 402 for winding the compacted film and foil. A thickness measuring assembly for measuring the thickness of the laminated and compacted material strip is provided between the composite assembly 30 and the winding assembly 40. Further, the thickness measuring assembly is a laser thickness gauge 50.

[0026] In the pole piece composite device involved in the present invention, through the arrangement of the diaphragm unwinding assembly 10, the foil unwinding assembly 20, the composite assembly 30 and the winding assembly 40, the diaphragm and the foil can be efficiently composited, the production efficiency is high, and it is suitable for industrial applications.

[0027] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. 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, which 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 pole piece composite device, characterized in that: include Diaphragm unwinding assembly, used for outputting diaphragm; A foil unwinding assembly, used for outputting foil; A composite component, the composite component is connected to the film unwinding component and the foil unwinding component, and is used to align and compact the film and the foil; The winding assembly is connected to the composite assembly and is used to wind up the compacted membrane and foil.

2. A pole piece composite device according to claim 1, characterized in that: The film unwinding assembly includes a first unwinding shaft for unwinding the film, a first roller for winding the film so that the film is unwound and advanced along a preset direction, and a brush installed on the film conveying path for cleaning both sides of the film.

3. The electrode composite device according to claim 1, characterized in that: The foil unwinding assembly comprises a second unwinding shaft for unwinding the foil and a second roller for winding the foil so that the foil is unwound and advanced along a preset direction.

4. The electrode composite device according to claim 1, characterized in that: The composite assembly comprises a laminating unit for laminating the film sheet and the foil material, and a compacting unit for compacting the laminating film sheet and the foil material.

5. A pole piece composite device according to claim 4, characterized in that: The laminating unit includes a first contact roller and a second contact roller contacting the first contact roller.

6. A pole piece composite device according to claim 5, characterized in that: The compacting unit comprises a first pressing roller and a second pressing roller for allowing the laminated film and foil to pass therebetween and compacting them.

7. A pole piece composite device according to claim 6, characterized in that: An adjusting unit is also included between the laminating unit and the compacting unit; the adjusting unit includes an adjusting roller installed on the laminating film and foil material, and a cylinder connected to the adjusting roller and used for driving the adjusting roller to vertically rise and fall.

8. The electrode composite device according to claim 1, characterized in that: The winding assembly comprises a third roller for winding the compacted film and foil material to make them move in a preset direction, and a winding shaft for winding the compacted film and foil material.

9. The electrode composite device according to claim 1, characterized in that: A thickness measuring component for measuring the thickness of the material strip after bonding and compaction is provided between the composite component and the winding component.

10. A pole piece composite device according to claim 9, characterized in that: The thickness measuring component is a laser thickness gauge.

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