CN213558067U

CN213558067U - Coating gasket, coating die head and coating machine

Info

Publication number: CN213558067U
Application number: CN202022195983.2U
Authority: CN
Inventors: 黄涛
Original assignee: Dongguan Lilong Battery Technology Co ltd
Current assignee: Dongguan Lilong Battery Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-29
Anticipated expiration: 2030-09-30

Abstract

The utility model belongs to the technical field of battery production equipment, and particularly discloses a coating gasket, a coating die head and a coating machine, wherein the coating gasket comprises a gasket main body, a first adjusting piece and a second adjusting piece; the gasket body is provided with an opening end; the first adjusting piece and the second adjusting piece can move transversely relative to the gasket main body, and the width of the opening end of the gasket main body is adjusted through the first adjusting piece and the second adjusting piece; the gasket body, the first adjusting piece and the second adjusting piece are equal in thickness. The utility model discloses to the wide coating of the different membranes of required production, only need through the position of the first regulating part of horizontal adjustment and second regulating part, the width of control play membrane mouth can realize the production to different width coatings, has avoided frequently installing from the extrusion die head and has dismantled the loaded down with trivial details process of gasket, improves work efficiency, satisfies the production demand of each variety coating film through designing a set of gasket, reduces the deposit cost and the administrative cost of gasket.

Description

Coating gasket, coating die head and coating machine

Technical Field

The utility model belongs to the technical field of battery production facility, concretely relates to coating gasket, coating die head and coating machine.

Background

At present, common lithium ion battery coating methods can be divided into blade coating, extrusion coating and transfer coating, wherein the extrusion coating has higher coating speed and precision and is most widely applied in the field of lithium ion battery coating. This extrusion coating method does not leave the gasket.

As shown in fig. 1, the conventional gasket includes a gasket body 1 ' having a film outlet 2 ' and a mounting hole 3 '. The gasket has the following defects: when the extrusion coating device produces coating films with different widths, the whole gasket needs to be replaced; the gasket is inconvenient to adjust and install, and the gasket installation requires high precision, thereby reducing the working efficiency.

However, in the production process of extrusion coating of the lithium ion battery, different coating film widths need to be designed according to different product varieties, so that gaskets with different width specifications are required to be matched for production. Resulting in the need to purchase large quantities of shim stock of different width specifications, increasing production and management costs.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: aiming at the defects of the prior art, the coating gasket, the coating die head and the coating machine are provided to solve the problems that the coating of different varieties needs to be frequently replaced and gaskets with different width specifications need to be stored in the technical field of battery production equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a coated gasket, comprising: a gasket body having an open end; a first adjusting member disposed adjacent to one side of the open end; a second regulating member disposed closely to the other side of the open end; wherein the first and second adjusting members are movable laterally relative to the gasket body to adjust the width of the open end of the gasket body by the first and second adjusting members.

Further, the gasket body includes: a gasket base; the first stop block is connected with one end of the gasket base body; the second stop block is connected with the other end of the gasket base body; the gasket body, the first stop block and the second stop block are arranged in an enclosing manner to form the gasket body with an opening end; and the first adjusting piece is arranged close to the end part of the first stop block, and the second adjusting piece is arranged close to the end part of the second stop block.

Further, the gasket base body, the first stop dog and the second stop dog are of an integrally formed structure, and the thickness of the gasket main body, the thickness of the first adjusting piece and the thickness of the second adjusting piece are equal.

Further, a first protrusion is formed at the end part of the first stop block in an inward extending manner;

and a second protrusion is formed at the end part of the second block in an inward extending mode.

Further, the first adjusting member includes: the first adjusting base block is abutted against the upper end part of the first stop block; and the first adjusting stop block is formed by extending the end part of the first adjusting base block along the longitudinal direction and is parallel to or closely arranged against the first protrusion.

Further, the second adjusting member includes: the second adjusting base block is abutted against the upper end part of the second stop block; and the second adjusting stop block is formed by extending the end part of the second adjusting base block along the longitudinal direction and is parallel to or closely arranged against the second protrusion.

Further, a third protrusion is arranged on the outer side of the first stop block; a fourth bulge is arranged on the outer side of the second stop block; the third protrusion and the fourth protrusion are symmetrically arranged.

Further, the gasket main body is provided with a plurality of mounting holes.

In another embodiment according to the present invention, there is provided a coating die comprising an upper die, a lower die, and a shim disposed between the upper die and the lower die; the gasket is the coating gasket.

In another embodiment according to the present invention, there is provided a coating machine including the coating die structured as described above.

The beneficial effects of the utility model reside in that: the utility model relates to a coating gasket, a coating die head and a coating machine, wherein the coating gasket comprises a gasket main body, a first adjusting piece and a second adjusting piece, and the gasket main body is provided with an opening end; the first adjusting piece is arranged close to one side of the opening end; the second adjusting piece is arranged close to the other side of the opening end; the first adjusting piece and the second adjusting piece can move transversely relative to the gasket main body so as to adjust the width of the opening end of the gasket main body through the first adjusting piece and the second adjusting piece, and the thicknesses of the gasket main body, the first adjusting piece and the second adjusting piece are equal; to the coating of the different membrane widths of required production, only need through the position of transversely adjusting first regulating part and second regulating part, control the width of play membrane mouth, can realize the production to the coating of different width, avoided the loaded down with trivial details process of dismantling the gasket from the extrusion die head, improve work efficiency, can satisfy the production demand of each variety product through designing the first gasket of membrane in a set of, reduce the deposit cost and the administrative cost of gasket.

Drawings

FIG. 1 is a diagram of a prior art inner membrane headrest;

FIG. 2 is a view showing one of the inner membrane head gasket structures of the present invention;

fig. 3 is a second structure diagram of the inner membrane headrest of the present invention.

Wherein: 1' -a gasket body; 2' -a film outlet; 3' -mounting holes; 1-a gasket body; 11-a gasket base; 12-a first stop; 121-a first protrusion; 122-a third protrusion; 13-a second stop; 131-a second projection; 132-a fourth bump; 2-a first adjustment member; 21-a first conditioning base block; 22-a first adjustment stop; 3-a second adjustment member; 31-a second conditioning base block; 32-a second adjustment stop; 4-open end; 5-mounting holes.

Detailed Description

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The present invention will be described in further detail with reference to the following drawings and specific examples, which should not be construed as limiting the present invention.

Example 1

As shown in fig. 2-3, the present invention provides a coated gasket, comprising: the gasket comprises a gasket body 1, wherein the gasket body 1 is provided with an opening end 4; a first regulating member 2 disposed immediately to one side of the open end 4; a second regulating member 3 disposed closely to the other side of the open end 4; wherein, the first adjusting piece 2 and the second adjusting piece 3 can move transversely relative to the gasket body 1 so as to adjust the width of the opening end 4 of the gasket body 1 through the first adjusting piece 2 and the second adjusting piece 3, and the gasket body 1.

The die head for extrusion coating of the lithium ion battery is divided into an upper die head and a lower die head, the gasket main body 1, the first adjusting piece 2 and the second adjusting piece 3 are fixedly arranged between the upper die head and the lower die head, an opening end 4 is reserved at one end of the gasket main body, when the gasket main body works, the positions of the first adjusting piece 2 and the second adjusting piece 3 are transversely adjusted according to the coating width of production, the width of the opening end 4 is made to be equal to the coating width of required production, and according to the extrusion forming principle, coating slurry in a die head cavity is extruded from the opening end 4 under the extrusion effect to form a required coating film. The utility model discloses a setting up the width that installs first regulating part 2 and second regulating part 3 and adjust open end 4 at the both ends of gasket main part 1, realizing the production demand to different width coating films, its simple structure, convenient operation, when the coating of producing different width, need not frequently to change the coating gasket moreover, has improved work efficiency, reduces the deposit cost and the administrative cost of gasket simultaneously.

Preferably, the gasket body 1 comprises: a gasket base body 11; a first stopper 12 connected to one end of the gasket base 11; the second stop block 13 is connected with the other end of the gasket base body 11; the gasket body 1 with the opening end 4 is formed by the gasket base body 11, the first stop block 12 and the second stop block 13 in a surrounding mode; the first adjusting piece 2 is arranged close to the end portion of the first stop block 12, the second adjusting piece 3 is arranged close to the end portion of the second stop block 13, the gasket base body 11, the first stop block 12 and the second stop block 13 are of an integrally formed structure, and the thicknesses of the first adjusting piece 2 and the second adjusting piece 3 are equal.

The first adjusting piece 2 is arranged close to the end portion of the first stop block 12, the second adjusting piece 3 is arranged close to the end portion of the second stop block 13, stability of pressure intensity in a membrane head cavity is kept, meanwhile, a sealing environment is formed, coating slurry is not prone to leakage, cost is saved, and the coating slurry can only be extruded out from the opening end under the effect of pressure in the cavity. The gasket base body 11, the first stop block 12 and the second stop block 13 are of an integrally formed structure, so that the injection molding of the coated gasket is facilitated, the processing cost is reduced, and meanwhile, the structure is simple, the processing is convenient, and the working efficiency is improved; first regulating part 2 and second regulating part 3 close through the lid of last die head and lower die head, and extrusion clamp is tight fixed mounting between last die head and lower die head, and the thickness that sets up gasket main part 1, first regulating part 2 and second regulating part 3 equals, more is favorable to the clamp of last die head and lower die head to be fixed, is favorable to keeping the pressure balance in the die head intracavity simultaneously, forms a inclosed space, improves the stability in the extrusion coating production process, improves coating film extrusion's quality.

Preferably, the end of the first block 12 extends inward to form a first protrusion 121; a second protrusion 131 is formed at the end of the second stopper 13 extending inward; the first adjusting member 2 includes: a first adjusting base block 21 and a first adjusting stopper 22; the first adjusting base block 21 is arranged close to the upper end part of the first stop block 12; the first regulation stopper 22 is formed by extending an end portion of the first regulation base block 21 in the longitudinal direction, and is disposed in parallel with the first protrusion 121.

The second adjusting member 3 includes: the second adjusting base block 31 and the second adjusting stopper 32, wherein the second adjusting base block 31 is arranged to abut against the upper end part of the second stopper 13; the second regulation stopper 32 is formed by extending an end portion of the second regulation base block 31 in the longitudinal direction, and is disposed in parallel with the second projection 131.

The first adjusting base block 21 is arranged to abut against the upper end of the first stop block 12, the second adjusting base block 31 is arranged to abut against the upper end of the second stop block 13, so that the sealing performance of the outlet end 4 is guaranteed, coating slurry is prevented from leaking out from gaps among the first adjusting piece 2, the second adjusting piece 3 and the gasket body 1, meanwhile, the stability of pressure intensity in a die cavity is kept due to the abutting sealing arrangement, and extrusion forming of the coating slurry is facilitated. The first adjusting stopper 22 is formed by extending the end of the first adjusting base block 21 in the longitudinal direction and is disposed parallel to the first protrusion 121, the second adjusting stopper 32 is formed by extending the end of the second adjusting base block 31 in the longitudinal direction and is disposed parallel to the second protrusion 131 to ensure the position accuracy of the first adjusting part 2 and the second adjusting part 3 during the movement, so that the width of the produced coating film meets the width requirement required by the production, the quality of the produced product is improved, and the loss of material and the processing cost are reduced.

Preferably, a third protrusion 122 is disposed on the outer side of the first block 12; a fourth protrusion 132 is disposed on the outer side of the second stopper 13; the third protrusion 122 and the fourth protrusion 132 are symmetrically arranged, and the gasket body 1 is provided with a plurality of mounting holes 5.

The third bulge 122 and the fourth bulge 132 are used for facilitating stable placement of the gasket main body 1 on the top of the lower die head, and meanwhile, the third bulge 122 and the fourth bulge 132 enable the plurality of mounting holes 5 of the gasket main body 1 to correspond to the mounting holes of the upper die head and the lower die head in position, so that the gasket main body 1 is convenient to mount and adjust, and accurate positioning and mounting of the gasket main body 1 are achieved.

Example 2

The utility model discloses a coating membrane head, including last die head, lower die head and the gasket of setting between last die head and lower die head. The structure of the shim was the same as the coated shim of example 1.

Example 3

The utility model discloses a coating machine, including backing roll and extrusion coating die head, wherein the extrusion coating die head structure is the same with embodiment 2's coating film head structure.

When the utility model is used for extrusion coating, the slurry enters the extrusion coating die head through the feeding pipeline, the discharge port of the die head is correspondingly provided with the back roll, and the current collector bypasses the back roll through the gap between the back roll and the die head and moves towards one direction; and extruding the slurry through a discharge port of the die head, coating the slurry on the surface of the current collector, and drying to obtain a coating layer. The areal density and width of the coating layer can be controlled by controlling the gap between the extrusion coating die and backing roll and the thickness of the die shim.

Variations and modifications to the above-described embodiments may become apparent to those skilled in the art from the disclosure and teachings of the above description. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, replacements or variations made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. A coated gasket, comprising:

a gasket body having an open end;

a first adjusting member disposed adjacent to one side of the open end;

a second regulating member disposed closely to the other side of the open end;

wherein the first and second adjusting members are movable laterally relative to the gasket body to adjust the width of the open end of the gasket body by the first and second adjusting members.

2. The coated gasket of claim 1 wherein the gasket body comprises:

a gasket base;

the first stop block is connected with one end of the gasket base body;

the second stop block is connected with the other end of the gasket base body;

the gasket body, the first stop block and the second stop block are arranged in an enclosing manner to form the gasket body with an opening end;

and the first adjusting piece is arranged close to the end part of the first stop block, and the second adjusting piece is arranged close to the end part of the second stop block.

3. The coated gasket of claim 2 wherein said gasket base, said first stop and said second stop are of integrally formed construction; the shim body, the first adjustment member, and the second adjustment member are of equal thickness.

4. The coated gasket of claim 2,

the end part of the first stop block extends inwards to form a first bulge;

5. The coated gasket of claim 4 wherein the first adjustment member comprises:

the first adjusting base block is abutted against the upper end part of the first stop block;

and the first adjusting stop block is formed by extending the end part of the first adjusting base block along the longitudinal direction and is parallel to or closely arranged against the first protrusion.

6. The coated gasket of claim 4 wherein the second adjustment member comprises:

the second adjusting base block is abutted against the upper end part of the second stop block;

and the second adjusting stop block is formed by extending the end part of the second adjusting base block along the longitudinal direction and is parallel to or closely arranged against the second protrusion.

7. The coated gasket of claim 2,

a third bulge is arranged on the outer side of the first stop block;

a fourth bulge is arranged on the outer side of the second stop block;

the third protrusion and the fourth protrusion are symmetrically arranged.

8. The coated gasket of claim 1 wherein said gasket body is provided with a plurality of mounting holes.

9. The utility model provides a coating die head, includes upper die head, lower die head and sets up the gasket between upper die head and lower die head, its characterized in that: the gasket is the coated gasket of any one of claims 1 to 8.

10. A coater, characterized in that: comprising the coating die of claim 9.