A coating pad, a coating die, and a coating machine

Abstract

This utility model discloses a coating pad, a coating die, and a coating machine. The coating pad includes a pad body and a chamfering module. A slurry outlet is provided on one side of the pad body. The chamfering module is detachably installed on the pad body on both sides of the slurry outlet. The chamfering module includes a connecting end connected to the pad body and a thinning area having at least one of chamfering and milling grooves. Through the detachable and independent design of the chamfering module with chamfering and thinning functions, the pad body and functional unit are separated. When coating process parameters change, it is not necessary to replace the entire pad; only the chamfering module needs to be replaced or adjusted. This solves the pain points of high replacement cost and long replacement cycle of traditional integrated pads.

Description

Technical Field

[0001] This utility model relates to the field of coating and thinning technology, and in particular to a coating pad, a coating die head, and a coating machine. Background Technology

[0002] With the continuous development of lithium-ion battery manufacturing processes and the diversification of parameters such as coating speed, slurry system, and NP ratio, higher requirements are being placed on the thinning structure of coating gaskets. Currently, the industry generally uses integrated gaskets, where the thinned area (usually a chamfered or milled groove structure) is fixedly connected to the gasket body and cannot be replaced. Whenever coating process parameters change, such as adjustments to slurry rheology, coating speed, or thinning standards, the entire gasket must be remanufactured. These types of gaskets are expensive and have a long production cycle (usually about one week), severely restricting production efficiency and project schedule, while also resulting in high material and time costs.

[0003] Therefore, there is an urgent need for a solution that allows for quick replacement of the thinned module without the need for complete replacement of the gasket, in order to improve production flexibility, reduce costs and shorten response time. Utility Model Content

[0004] The purpose of this utility model is to provide a coating gasket, a coating die head, and a coating machine. Through the detachable and independent design of the chamfering module with chamfering and thinning functions, the gasket body and the functional unit are separated. When the coating process parameters change, it is not necessary to replace the entire gasket. Only the chamfering module needs to be replaced or adjusted. This solves the pain points of high replacement cost and long cycle of traditional integrated gaskets.

[0005] To achieve the above objectives, this utility model provides the following technical solution: In a first aspect, this utility model discloses a coated gasket, comprising: A gasket body, wherein a slurry outlet is provided on one side of the gasket body; A chamfering module is detachably installed on the gasket body on both sides of the slurry outlet; The chamfering module includes a connecting end connected to the gasket body, and a thinning area having at least one of chamfering and milling groove.

[0006] A further option: the chamfer size is 45-60°.

[0007] A further embodiment: the thickness of the gasket body is 0.6-1.2mm; the depth of the milled groove is 0.3-0.6mm.

[0008] A further embodiment: at least one side of the connecting end has a protrusion; a slot for accommodating the connecting end is provided at the connection between the gasket body and the chamfered module. A further solution: the upper surface of the bump has a smooth transition.

[0009] A further solution: the gasket body is provided with an adhesive outlet hole.

[0010] A further solution: a slot for limiting the flow rate of the slurry is also provided on the gasket body located at the slurry outlet.

[0011] A further solution: the gasket body and the chamfering module are magnetically connected.

[0012] Secondly, this utility model discloses a coating die head, comprising: The upper die head, the lower die head, and the aforementioned coating pad are provided. The coating pad is sandwiched between the upper die head and the lower die head and forms a coating slit. The coating slit is connected to the slurry outlet.

[0013] Thirdly, this utility model discloses a coating machine that includes the coating pad as described above.

[0014] Compared with the prior art, the beneficial effects of this utility model are: This utility model, through modular design, transforms the chamfered / thinned area of ​​the traditional integrated gasket into a standard module that can be quickly disassembled and replaced, perfectly solving the problems of high cost, long delivery cycle, and large inventory pressure caused by the need for frequent overall gasket replacement due to changes in process parameters in the industry.

[0015] This solution requires only the preparation of a standard gasket body, which can be flexibly adapted to various slurry systems, coating speeds and thinning specifications by replacing different chamfering modules. This greatly improves production response speed and flexibility, significantly reduces overall costs and project cycle, while ensuring connection reliability and coating quality consistency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a partially enlarged view of the gasket body in this utility model; Figure 3-5 The diagram shows the structure of different chamfering modules in this utility model; In the figure: 1-gasket body, 11-slurry outlet, 12-slot, 13-glue outlet, 14-groove, 2-beveling module, 21-connecting end, 211-protrusion, 22-thinning area, 221-beveling, 222-milling groove. Detailed Implementation

[0017] 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.

[0018] In the description of this utility model, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in during use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0019] Please see Figure 1-5 A coating gasket includes a gasket body 1 and a chamfering module 2, wherein: A slurry outlet 11 is provided on one side of the gasket body 1; a chamfering module 2 is detachably installed on the gasket body 1 on both sides of the slurry outlet 11; the chamfering module 2 includes a connecting end 21 connected to the gasket body 1, and a thinning area 22 having at least one of a chamfer 221 and a milled groove 222. The gasket body 1 and the chamfering module 2 are seamlessly connected, and one gasket body 1 is equipped with multiple different chamfering modules 2 with different chamfer types and milled groove sizes. When the coating process parameters change, only the local chamfering module needs to be replaced or adjusted, which greatly reduces the time and economic cost of replacing the gasket.

[0020] Please continue reading. Figure 3-5 , Figure 3 The chamfering module 22 has a milled groove 222. Figure 4 and Figure 5 Chamfers 221 of different shapes are cut out on the chamfer module 22.

[0021] Furthermore, the chamfer 221 (the angle between the hypotenuse of the chamfer module 22 and the straight edge of the slurry outlet 11) is 45-60°, and the chamfer 221 can be a beveled angle; this angle range can effectively ensure that the slurry has excellent leveling and thinning effect when it flows out, meet the coating process requirements of most common slurries, and improve the reliability and versatility of the product.

[0022] Furthermore, the thickness of the gasket body 1 is 0.6-1.2 mm; the depth of the milled groove 22 is 0.3-0.6 mm. Meanwhile, the non-milled groove area of ​​the chamfering module 2 has the same thickness as the gasket body 1. By specifically limiting the thickness of the gasket body and the height of the milling groove, the stability of the connection between the chamfering module 2 and the gasket body 1 and the strength of the overall structure are ensured. At the same time, the precise milling groove depth is the key to achieving a specific thinning effect, ensuring the repeatability and consistency of the process.

[0023] Furthermore, at least one side of the connecting end 21 has a protrusion 211; a slot 12 for accommodating the connecting end 21 is provided at the connection between the gasket body 1 and the chamfering module 2. The cooperation between the protrusion 211 and the slot 12 enables a reliable and quick connection between the gasket body 1 and the chamfering module 2. In particular, the upper surface of the protrusion 211 has a smooth transition, which makes the insertion and removal operation of the chamfering module 2 smoother and more precise, and the connection is stable. This effectively prevents the chamfering module 2 from shifting or falling off under coating pressure, ensuring the continuity of the production process and the stability of quality.

[0024] Furthermore, the gasket body 1 is provided with an adhesive outlet hole 13, which facilitates the introduction of sealant during assembly or maintenance, ensuring the sealing between the gasket body and the die head, preventing slurry leakage, and improving the reliability of the equipment.

[0025] Furthermore, a groove 14 for limiting the flow rate of the slurry is provided on the gasket body 1 located at the slurry outlet 11, which helps to prevent the occurrence of coating edge bulging.

[0026] In other embodiments, the gasket body 1 and the chamfering module 2 are made of martensitic stainless steel and can be connected by magnetic attraction and snap-fit.

[0027] A coating die head includes an upper die head, a lower die head, and the aforementioned coating pad. As in the prior art, the coating pad is sandwiched between the upper die head and the lower die head and forms a coating slit, the coating slit being connected to the slurry outlet 11.

[0028] A coating machine comprising the coating pad described above.

[0029] Although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0030] Therefore, the above description is only a preferred embodiment of this application and is not intended to limit the scope of this application; that is, all equivalent modifications made in accordance with the scope of the claims of this application shall be within the protection scope of the claims of this application.

Claims

1. A coated gasket, characterized in that, include: Gasket body (1), with a slurry outlet (11) on one side of the gasket body (1); Chamfering module (2), which is detachably installed on the gasket body (1) on both sides of the slurry outlet (11); The chamfering module (2) includes a connecting end (21) connected to the gasket body (1) and a thinning area (22) having at least one of a chamfer (221) and a milled groove (222).

2. The coated gasket according to claim 1, characterized in that, The thickness of the gasket body (1) is 0.6-1.2 mm; the depth of the milled groove (222) is 0.3-0.6 mm.

3. The coated gasket according to claim 1, characterized in that, At least one side of the connecting end (21) has a protrusion (211); a slot (12) for accommodating the connecting end (21) is provided at the connection between the gasket body (1) and the chamfered module (2).

4. The coated gasket according to claim 3, characterized in that, The upper surface of the protrusion (211) has a smooth transition.

5. The coated gasket according to claim 1, characterized in that, The gasket body (1) has an adhesive outlet hole (13).

6. The coated gasket according to claim 1, characterized in that, The gasket body (1) located at the slurry outlet (11) is also provided with a slot (14) for limiting the slurry flow.

7. The coated gasket according to claim 1, characterized in that, The gasket body (1) and the chamfering module (2) are magnetically connected.

8. A coating die head, characterized in that, include: Upper die head, lower die head, and The coating pad as described in any one of claims 1 to 7 is sandwiched between the upper die head and the lower die head and surrounds to form a coating slit, the coating slit being connected to the slurry outlet (11).

9. A coating machine comprising a coating pad as described in any one of claims 1 to 7.

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