CN214812194U

CN214812194U - Gasket, coating die head and coating machine

Info

Publication number: CN214812194U
Application number: CN202023205020.2U
Authority: CN
Inventors: 吴磊; 赵仕绪; 李星; 杜双龙; 吕正中; 刘金成
Original assignee: Eve Power Co Ltd
Current assignee: Eve Power Co Ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-11-23
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a gasket, a coating die head and a coating machine, which belong to the technical field of battery production. A gasket is used in a coating die, the gasket includes a main plate and two side plates, the two side plates are respectively arranged at both ends of the main plate along a first direction, and the side plates are along a second direction. One end of the two ends arranged at intervals in the direction is connected to the main board, the other end is a free end, and the first direction is perpendicular to the second direction; The baffles at the free ends of the side plates, the baffles of the two side plates are arranged opposite to each other and form an opening; The pulling member is inserted into the slot along the first direction, and the size of the opening is adjusted by pushing and pulling the pulling member to make the two baffles approach or move away from each other. The gasket provided by the utility model helps to reduce the production cost and improve the coating efficiency.

Description

Gasket, coating die head and coating machine

Technical Field

The utility model relates to a battery production technical field especially relates to a gasket, coating die head and coating machine.

Background

With the rapid development of new energy automobiles, the demand of lithium ion batteries is increasingly increased; in the manufacturing process of lithium ion batteries, a battery base material is often coated by an extrusion coating process. The coating die for coating comprises an upper die and a lower die, wherein a gasket is clamped between the upper die and the lower die, an opening is formed in the gasket, and slurry is extruded from the opening of the gasket to finish coating. The different coating widths for different battery types require different gasket opening sizes, which results in the need to prepare multiple gaskets and continuously open the coating die for gasket replacement.

The production period of the gasket is long, if a single gasket can only be used for coating a battery base material with one width, waste is easily caused, and the production cost is increased; and because the gasket needs to be fixed on the lower die by adopting a fastener, the gasket needs to be repeatedly disassembled and assembled when being replaced, and the final coating efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gasket, coating die head and coating machine can solve among the prior art gasket and can only adapt to the battery substrate of different coating widths through the mode of dismantling the change, and then lead to the problem that manufacturing cost is high, coating efficiency is low.

In order to realize the purpose, the following technical scheme is provided:

a gasket is used in a coating die head and comprises a main plate and two side plates, wherein the two side plates are respectively arranged at two ends of the main plate along a first direction; the gasket also comprises flow baffles which are arranged at the free ends of the side plates in a sliding manner along the first direction, and the flow baffles of the two side plates are oppositely arranged and form an opening;

the flow baffle is provided with a pulling piece, the side plate is provided with a slot, the pulling piece is inserted into the slot along the first direction, and the two flow baffle plates are close to or far away from each other by pushing and pulling the pulling piece, so that the size of the opening is adjusted.

As an alternative to the above gasket, the pulling member is provided with a scale, and the scale is provided on the pulling member along the first direction.

As an alternative to the above-mentioned spacer, the scale is provided on at least one of two edges of the pulling member spaced apart in the second direction.

As an alternative to the above gasket, the free end of the side plate is provided with a guide groove, the guide groove has a first groove wall extending along a first direction, and the flow baffle is slidably fitted with the first groove wall of the guide groove to achieve the guide along the first direction.

As an alternative to the above-mentioned gasket, the guide groove further has a second groove wall perpendicular to the first groove wall, and the insertion groove is opened on the second groove wall.

As an alternative of the above gasket, the first groove wall is oppositely disposed in two along the second direction, and the second groove wall is disposed in one and forms a U-shaped structure with the two first groove walls.

As an alternative to the above gasket, the flow baffle and the pulling member are of an integral structure; the size of the pulling piece in the second direction is smaller than that of the flow baffle.

As an alternative to the above-mentioned spacer, the thickness of the spacer is 0.6-1.2 mm.

A coating die head comprises the gasket, an upper die and a lower die, wherein the gasket is clamped between the upper die and the lower die.

A coating machine comprises the coating die head.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a gasket is through setting up the pulling piece on keeping off the flow board, along the first direction push-and-pull pulling piece for whole fender flow board can be followed the first direction and slided, and then changes the opening size, satisfies the demand of different coating widths, and whole process need not to tear open and trades the gasket, helps reduction in production cost, improves coating efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a gasket according to an embodiment of the present invention;

fig. 2 is a schematic view of a part of a gasket according to an embodiment of the present invention;

fig. 3 is a schematic partial structural view of another gasket according to an embodiment of the present invention.

Reference numerals:

10. a gasket; 11. a main board; 12. a side plate; 13. a flow baffle plate; 131. a pulling member; 1311. calibration;

121. a guide groove; 1211. a first slot wall; 1212. a second slot wall; 122. and (4) a slot.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1-3, the present embodiment resides in providing a shim for use in a coating die; specifically, the gasket 10 includes a main plate 11 and two side plates 12, where the two side plates 12 are respectively disposed at two ends of the main plate 11 along a first direction (i.e., an X direction in the drawing), one end of two ends of the side plates 12 spaced along a second direction (i.e., a Y direction in the drawing) is connected to the main plate 11, the other end is a free end, and the first direction is perpendicular to the second direction; the gasket 10 further comprises flow baffles 13 which are arranged at the free ends of the side plates 12 in a sliding manner along the first direction, and the flow baffles 13 of the two side plates 12 are oppositely arranged and form an opening; the slurry in the coating die head is extruded from the opening to finish coating; furthermore, the baffle plate 13 is provided with a pulling member 131, the side plate 12 is provided with an insertion slot 122, the pulling member 131 is inserted into the insertion slot 122 along the first direction, and the two baffle plates 13 are close to or far away from each other by pushing and pulling the pulling member 131, so as to adjust the size of the opening.

The gasket 10 provided by the embodiment is provided with the pulling piece 131 on the flow baffle 13, and the pulling piece 131 is pushed and pulled along the first direction, so that the whole flow baffle 13 can slide along the first direction, the opening size is changed, the requirements of different coating widths are met, the gasket 10 does not need to be disassembled and replaced in the whole process, the production cost is reduced, and the coating efficiency is improved.

Furthermore, the pulling member 131 is provided with a scale 1311, and the scale 1311 is disposed on the pulling member 131 along the first direction, and the scale 1311 is provided to facilitate understanding of the pushing and pulling position of the baffle 13, so as to reasonably arrange the size of the opening in the second direction, and further control the coating width; meanwhile, the scale 1311 is also helpful to control the push-pull distances of the two flow baffle plates 13 to be corresponding, so that symmetrical distribution is realized, the openings are prevented from deviating, and the coating accuracy is improved. In specific implementation, the position of the baffle plate 13 can be represented by the scale 1311 value corresponding to the outer edge of the side plate 12 parallel to the second direction. Optionally, the pulling element 131 is a long strip structure and has two edges spaced apart from each other along the second direction, and the scale 1311 may be disposed on one of the edges or both of the edges, so as to facilitate observation; providing the scales 1311 at both edges also ensures that the pulling member 131 is not shifted each time it is pulled in the first direction, i.e. the outer edge of the side plate 12 needs to be located at the same scale 1311 of both scales 1311, thereby ensuring accurate pulling of the pulling member 131 in the first direction. For convenience of manufacture, the flow baffle 13 and the pulling member 131 are of an integrated structure; further, the size of the pulling member 131 in the second direction is smaller than that of the baffle plate 13, so as to facilitate the insertion fit and the pulling and pushing with the side plate 12, and avoid the influence on the overall strength and the deformation resistance of the side plate 12 due to the excessively large slot.

The free end of the side plate 12 is provided with a guide groove 121, the guide groove 121 is provided with a first groove wall 1211 extending along a first direction, and the flow baffle 13 is in sliding fit with the first groove wall 1211 of the guide groove 121, so that the flow baffle 13 is guided to slide along the first direction; since it is not guaranteed that the entire baffle plate 13 is moved in the first direction without deviation only by the engagement between the pulling member 131 and the insertion groove 122, the first groove wall 1211 of the guide groove 121 is also required to be guided. Further, the guide groove 121 further has a second groove wall 1212 extending in the second direction, i.e. the second groove wall 1212 is perpendicular to the first groove wall 1211; the slot 122 is disposed on the second slot wall 1212. Referring to fig. 1 and 2, in the present embodiment, the guide groove 121 can extend to the free end of the side plate 12 along the second direction, so that there is only one first groove wall 1211, and the second groove wall 1212 and the first groove wall 1211 form an L-shaped structure. Of course, referring to fig. 3, in some other embodiments, the guide groove 121 does not extend to the free end of the side plate 12, so as to form two first groove walls 1211, the first groove walls 1211 are disposed opposite to each other along the second direction, and two ends of the flow baffle 13 along the second direction are respectively slidably engaged with the two first groove walls 1211, so as to further improve the accuracy of sliding along the first direction; at this time, the second groove wall 1212 and the two first groove walls 1211 form a U-shaped structure.

In this embodiment, the thickness of the gasket 10 is selected to be 0.6-1.2 mm; of course, in practice, the thickness of the gasket 10 may be adjusted for application requirements.

The embodiment also provides a coating die head, which comprises the gasket 10, and further comprises an upper die and a lower die, wherein the gasket 10 is clamped between the upper die and the lower die. Since the coating die includes the above-mentioned gasket 10, the coating die has at least the beneficial effects of the above-mentioned gasket 10, and the detailed description thereof is omitted.

The present embodiment also provides a coater including the coating die described above. Since the coating machine includes the coating die described above, at least the advantageous effects of the coating die described above are obtained, and the description thereof will not be repeated.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A gasket for use in a coating die, the gasket comprising a main plate (11) and two side plates (12), and the two side plates (12) are respectively provided along the edges of the main plate (11). Both ends in the first direction, one end of the two ends of the side plate (12) arranged at intervals along the second direction is connected to the main plate (11), and the other end is a free end, the first direction is connected to the second end. The two directions are vertical; it is characterized in that the gasket further comprises a baffle plate (13) slidably provided at the free end of the side plate (12) along the first direction, and the two side plates (12) The baffles (13) are arranged opposite to each other and form an opening;

The baffle plate (13) is provided with a pulling member (131), the side plate (12) is provided with a slot (122), and the pulling member (131) is inserted in the first direction along the first direction. In the slot (122), the size of the opening is adjusted by pushing and pulling the pulling member (131) to make the two baffles (13) approach or move away from each other.

2 . The gasket according to claim 1 , wherein a scale ( 1311 ) is provided on the pulling member ( 131 ), and the scale ( 1311 ) is arranged on the pulling member ( 1311 ) along the first direction. 3 . 131) on.

3. The gasket according to claim 2, wherein the scale (1311) is provided on at least one of the two edges of the pulling member (131) that are spaced apart along the second direction.

4 . The gasket according to claim 1 , wherein a guide groove ( 121 ) is provided at the free end of the side plate ( 12 ), and the guide groove ( 121 ) has a first extending along the first direction. 5 . A groove wall (1211), the baffle plate (13) slidingly fits with the first groove wall (1211) of the guide groove (121), so as to realize the sliding guide along the first direction.

5 . The gasket according to claim 4 , wherein the guide groove ( 121 ) further has a second groove wall ( 1212 ) perpendicular to the first groove wall ( 1211 ), and the slot ( 122) is opened on the second groove wall (1212).

6. The gasket according to claim 5, characterized in that, two of the first groove walls (1211) are provided opposite to each other along the second direction, and one of the second groove walls (1212) is provided, and form a U-shaped structure with the two first groove walls (1211).

7 . The gasket according to claim 1 , wherein the baffle ( 13 ) and the pulling member ( 131 ) are integral structures; the pulling member ( 131 ) is in the second direction. 8 . The size of the upper is smaller than that of the baffle (13).

8. The gasket of claim 1, wherein the gasket has a thickness of 0.6-1.2 mm.

9. A coating die head, characterized in that it comprises the gasket according to any one of claims 1-8, and also includes an upper mold and a lower mold, and the gasket is sandwiched between the upper mold and the lower mold. between the lower molds.

10. A coating machine, characterized by comprising the coating die head of claim 9.