CN219273544U

CN219273544U - Coating gasket assembly, coating die head and battery pole piece coating device

Info

Publication number: CN219273544U
Application number: CN202320794107.2U
Authority: CN
Inventors: 张文; 刘永飞
Original assignee: Svolt Energy Technology Wuxi Co Ltd
Current assignee: Svolt Energy Technology Wuxi Co Ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-06-30
Anticipated expiration: 2033-04-11

Abstract

The utility model provides a coating gasket assembly, a coating die head and a coating device. The coating gasket assembly comprises a coating gasket and an adjusting block, wherein one side of the coating gasket is provided with a plurality of baffle plates, and a plurality of adjusting grooves are formed in the other side of the coating gasket relative to the side with the baffle plates; a material passing space for the paint to pass through is formed between the adjacent baffle plates, a plurality of adjusting grooves are sequentially formed along the length direction of the coating gasket, one end of each adjusting block can be inserted into one adjusting groove, and the coating gasket is driven to be close to the coating die head at the adjusting groove. According to the coating gasket assembly, the adjusting block is inserted into the adjusting groove to drive the coating gasket to be close to the coating die head, so that the coating ends of the gasket and the film head are aligned, the slurry in the coating mixture and the tab blank area can be avoided, and the time waste and the material loss caused by reinstalling the gasket can be avoided.

Description

Coating gasket assembly, coating die head and battery pole piece coating device

Technical Field

The utility model relates to the technical field of pole piece coating, in particular to a coating gasket assembly. In addition, the utility model also relates to a coating die head provided with the coating gasket assembly and a coating device provided with the coating die head.

Background

In the battery manufacturing process, a coating process is carried out, and the process of preparing the material into a battery pole piece is mainly carried out. However, in the coating process of preparing the pole piece, the unreasonable gasket position easily occurs, and the gasket protruding die head is caused to scratch the foil; or the gasket does not extend out of the die head, so that the edge area of the pole piece is mixed or the edge pressure is small, and finally the coating quality of the product is poor.

In the prior art, the position of the gasket is found to be inaccurate in the later period, and only the die head can be disassembled manually, and the die head and the gasket are cleaned for reinstallation. This approach results in increased production costs, wasted time in disassembling the die, and a significant amount of slurry scrapped each time the die is disassembled for cleaning and installation.

Disclosure of Invention

In view of the foregoing, the present utility model is directed to a coated gasket assembly to increase coating efficiency and reduce slurry loss.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a coated gasket assembly comprising a coated gasket and an adjustment block;

one side of the coating gasket is provided with a plurality of baffle plates, and a plurality of adjusting grooves are formed in the other side of the coating gasket relative to the side with the baffle plates;

and a material passing space for the paint to pass through is formed between the adjacent material baffle plates, a plurality of adjusting grooves are sequentially formed along the length direction of the coating gasket, one end of each adjusting block can be inserted into one adjusting groove, and the coating gasket is driven to be close to the coating die head at the adjusting groove.

Further, a pull rod is arranged on the adjusting block, and a control hole is arranged on one side of the coating gasket, which is provided with the adjusting groove; the pull rod can penetrate into the control hole, and the adjusting block can drive the coating gasket to be far away from the coating die head through the pull rod.

Further, the control hole is located at a position between two adjacent adjusting grooves, and the control hole is arranged between each two adjacent adjusting grooves.

Further, two ends of the coating gasket are respectively provided with an operation block; the operation blocks at the two ends extend out of the end parts of the coating die head, and the operation blocks at the two ends are operated to drive the coating gasket to slide relative to the coating die head.

Further, the vertex angle positions of the striker plates are arranged in a chamfering mode.

Further, the adjusting grooves and the striker plates are correspondingly arranged on two sides of the coating gasket, and a plurality of adjusting grooves are respectively arranged corresponding to the striker plates.

Further, the adjusting groove is a conical groove, and one end of the adjusting block, which is inserted into the adjusting groove, is arranged along with the adjusting groove.

Further, the adjusting block is provided with a fixing hole, and the fixing hole is used for fixing the adjusting block when the adjusting block is contained.

Compared with the prior art, the utility model has the following advantages:

according to the coating gasket assembly, the adjusting block is inserted into the adjusting groove to drive the coating gasket to be close to the coating die head, so that the coating gasket is aligned with the coating end of the film head, the problems of mixing during coating and slurry in a tab blank area can be avoided, and time waste and material loss caused by reinstalling the gasket can be avoided.

In addition, through the cooperation of pull rod and control hole, can convenient and fast pull back the coating gasket, make its and the tip position of die head to it, avoid appearing the gasket and scratch the coating broken tape that the pole piece caused. The control hole is positioned between the two adjacent adjusting grooves, and the arrangement can ensure the correspondence between the pushing-out adjusting position and the pulling-in adjusting position, so that the adjusting precision of the coating gasket is improved.

In addition, the operation blocks arranged at the two ends of the coating gasket can be used for quickly and finely adjusting the position of the edge of the coating gasket in the die head through push-pull operation. The vertex angle positions of the striker plates are all chamfered, so that edge bulging of the pole piece edge can be prevented, rolling breakage is caused, and working efficiency is affected. The regulating block is provided with a fixing hole, so that the regulating block can be conveniently stored and fixed.

Another object of the present utility model is to provide a coating die comprising an upper die, a lower die, and the above-described coating gasket assembly disposed between the upper and lower dies.

The utility model also provides a battery pole piece coating device, wherein the coating die head is arranged in the battery pole piece coating device.

Compared with the prior art, the coating die head and the battery pole piece coating device have the same beneficial effects as the coating gasket assembly, and are not repeated here

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of a coated gasket assembly according to an embodiment of the utility model;

FIG. 2 is a schematic diagram of a structure of an adjusting block according to an embodiment of the utility model;

fig. 3 is a schematic diagram of the positions of a coating die and a coating pad according to a second embodiment of the utility model.

Reference numerals illustrate:

1. coating a gasket; 101. a striker plate; 102. a material passing space; 103. an operation block;

2. an adjusting block; 201. a pull rod; 202. a manipulation hole;

3. an adjustment tank;

4. an upper die head; 401. a lower die head;

5. and a fixing hole.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "inner", "back", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, in the description of the present utility model, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the connection can be fixed connection, detachable connection or integrated connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

The present embodiment is directed to a coated gasket assembly having an exemplary configuration as shown in fig. 1-2.

In general, the coated gasket assembly includes a coated gasket 1 and an adjustment block 2. Wherein, one side of the coating gasket 1 is provided with a plurality of striker plates 101, for one side with the striker plates 101, the other side of the coating gasket 1 is provided with a plurality of adjusting grooves 3, a material passing space 102 for the paint to pass through is formed between the adjacent striker plates 101, the plurality of adjusting grooves 3 are sequentially arranged along the length direction of the coating gasket 1, one end of an adjusting block 2 can be inserted into one of the adjusting grooves 3, and the position of the adjusting groove 3 drives the coating gasket 1 to be close to a coating die head.

Specifically, the coating gasket 1 is in sliding connection in the die head, and the position of the coating gasket 1 is adjusted, so that the coating ends of the coating gasket and the film head are aligned, the problems of mixing during coating and slurry in a tab blank area can be avoided, and the time waste and material loss caused by reinstalling the gasket can be avoided.

In the present embodiment, the dam 101 functions to block the coating paste during the coating process. The number of the striker plates 101 is preferably three, and a plurality of striker plates can be provided according to different process requirements. The number of the material passing spaces 102 increases or decreases with the number of the striker plates 101.

In addition, the width of each striker plate 101 is set according to the actual situation and the process requirement, and is not further limited herein.

In this embodiment, as shown in fig. 1, when the coating gasket 1 is not at the coating end in the die, the coating gasket 1 can be pushed to a position flush with the coating end of the die by inserting the regulating block 2 into the regulating groove 3. In the specific implementation, the adjusting grooves 3 are arranged in a plurality, so that the problem that the coating quality is affected due to the fact that the local area of the coating gasket 1 cannot be adjusted can be avoided, and the adjusting block 2 can be inserted into the adjusting groove 3 corresponding to different adjusting positions. By means of the inserting mode, local areas can be adjusted, and accuracy and precision in adjustment are improved.

In this embodiment, the adjusting grooves 3 are specifically arranged in such a way that the adjusting grooves 3 are arranged on both sides of the coating gasket 1 corresponding to the striker plates 101, and a plurality of adjusting grooves 3 are provided corresponding to each striker plate 101. Therefore, the adjusting groove 3 can be arranged at a key position, so that the excessive adjusting groove 3 is prevented from being arranged, and the difficulty of the manufacturing process of the coating gasket 1 is increased.

In addition, as shown in fig. 1, in order to facilitate the stability of the insertion of the adjusting block 2 and the adjusting groove 3 and ensure the accuracy of the adjustment, the adjusting groove 3 is preferably a tapered groove, and one end of the adjusting block 2 for being inserted into the adjusting groove 3 is arranged along with the adjusting groove 3. Of course, the adjusting groove 3 may also be provided in a trapezoid or a rectangle, which is not further limited herein.

As shown in fig. 2, in order to facilitate adjustment of the position of the coating gasket 1 when the coating gasket 1 exceeds the end of the die, a pull rod 201 is provided on the adjustment block 2, and a manipulation hole 202 is provided on the side of the coating gasket 1 having the adjustment groove 3. The tie rod 201 can be threaded into the handling hole 202 and the adjusting block 2 can drive the coating shim 1 away from the coating die by the tie rod 201.

Through the arrangement, the coating gasket 1 can be conveniently and rapidly pulled back, so that the coating gasket 1 is aligned with the coating end of the die head, and the coating broken belt caused by the fact that the coating gasket 1 scratches the pole piece is avoided. In practice, to facilitate rapid entry of the tie rod 201 into the manoeuvering hole 202, the inner diameter of the manoeuvering hole 202 is preferably larger than the diameter of the tie rod 201.

In this embodiment, in order to ensure that the pushing-out and pulling-in adjustment positions of the coated pole piece 1 correspond, and to improve the adjustment accuracy of the coated pole piece 1, the operation hole 202 is preferably located at a position between two adjacent adjustment grooves 3, and the operation hole 202 is provided between each adjacent adjustment groove 3.

In addition, as further shown in fig. 1, the operation blocks 103 are respectively disposed at two ends of the coating gasket 1, the operation blocks 103 at two ends extend out of the end of the coating die, and the operation blocks 103 at two ends are operated to drive the coating gasket 1 to slide relative to the coating die. Since the operation block 103 protrudes from the end of the die, the position of the edge of the coating pad 1 in the die can be finely adjusted by pushing and pulling the operation block 103. It should be noted that, since only the edges can be adjusted and the gasket is easily deformed, the adjustment of the coated gasket 1 requires the simultaneous operation in cooperation with the adjustment block 2. The distance that the operating block 103 protrudes from the end of the die head depends on the actual situation, but is not limited thereto further.

In the coating process, due to the characteristic of slurry fluid, edge bulging is easy to form at the starting point, the ending point and the two side edges of the coating, so that the roll breaks the belt, and the coating efficiency is affected. For this purpose, the top corner positions of the striker plate 101 are each provided with a chamfer. In the specific implementation, the angle of the chamfer is determined according to the actual situation, and is not further limited herein.

As a preferred embodiment, as shown in fig. 2, the adjusting block 2 is provided with a fixing hole 5, and the fixing hole 5 is used for fixing the adjusting block 2 when the adjusting block 2 is accommodated. The concrete storage mode is that a bolt is fixedly arranged at the shell of the coating device, and the adjusting block 2 can be inserted with the bolt through a fixing hole for storage. Of course, a screw in threaded engagement with the fixing hole 5 may be provided, so that the adjusting block 2 is accommodated and fixed.

To sum up, in this embodiment, through utilizing the cooperation of regulating block 2 and adjustment tank 3, can adjust coating gasket 1 position for the coating end of coating gasket and membrane head aligns, not only can avoid the coating to produce the compounding problem and the thick liquids appear in the tab blank district, also can avoid reinstalling time waste and the material loss that the gasket caused, improves the efficiency of coating.

Example two

This embodiment relates to a coating die comprising an upper die 4, a lower die 401, and a coating gasket assembly as in the first embodiment described above disposed between the upper die 4 and the lower die 401, as shown in fig. 3.

When coating, the working process of the die head is that a certain flow of slurry enters the cavity inside the die head and forms stable pressure, and the slurry is sprayed out from the outlet at the end part of the die head and coated on the foil. At this time, through setting up above-mentioned coating gasket subassembly, can conveniently adjust the position of coating gasket 1 in the die head fast, make its coating end with the die head align, avoid reinstalling the time waste and the material loss that the gasket caused, improve work efficiency.

Example III

The embodiment relates to a battery pole piece coating device, wherein a coating die head in the second embodiment is arranged in the battery pole piece coating device.

The battery pole piece coating device of the embodiment can increase the pole piece coating efficiency and reduce the loss of coating slurry by arranging the coating die head.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A coated gasket assembly, characterized in that:

comprises a coating gasket and an adjusting block;

2. The coated gasket assembly of claim 1 wherein:

a pull rod is arranged on the adjusting block, and a control hole is arranged on one side of the coating gasket, which is provided with the adjusting groove;

the pull rod can penetrate into the control hole, and the adjusting block can drive the coating gasket to be far away from the coating die head through the pull rod.

3. The coated gasket assembly of claim 2 wherein:

the control holes are positioned between two adjacent adjusting grooves, and the control holes are arranged between each two adjacent adjusting grooves.

4. The coated gasket assembly of claim 1 wherein:

the two ends of the coating gasket are respectively provided with an operation block;

the operation blocks at the two ends extend out of the end parts of the coating die head, and the operation blocks at the two ends are operated to drive the coating gasket to slide relative to the coating die head.

5. The coated gasket assembly of claim 1 wherein:

and the vertex angle positions of the baffle plates are arranged in a chamfering way.

6. The coated gasket assembly of claim 1 wherein:

the regulating grooves and the striker plates are correspondingly arranged on two sides of the coating gasket, and a plurality of regulating grooves are respectively arranged corresponding to the striker plates.

7. The coated gasket assembly of claim 1 wherein:

the adjusting groove is a conical groove, and one end of the adjusting block, which is inserted into the adjusting groove, is arranged along with the adjusting groove.

8. The coated gasket assembly of any one of claims 1 to 7 wherein:

the adjusting block is provided with a fixing hole, and the fixing hole is used for fixing the adjusting block when the adjusting block is stored.

9. A coating die characterized in that:

a coated gasket assembly according to any one of claims 1 to 8 comprising an upper die, a lower die, and disposed between the upper and lower dies.

10. The utility model provides a battery pole piece coating device which characterized in that:

the coating die head of claim 9 is arranged in the battery pole piece coating device.