CN214766619U

CN214766619U - Gasket for pole piece coating

Info

Publication number: CN214766619U
Application number: CN202023259134.5U
Authority: CN
Inventors: 周海林
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-11-19
Anticipated expiration: 2030-12-29

Abstract

The utility model relates to a gasket for pole piece coating, it includes gasket main part, transverse connection module and vertical connection module. The gasket body is U-shaped and has an opening at the top end, the two opposite side inner walls at the top part of the gasket body are respectively provided with a transverse connecting end extending towards the opening end, the bottom part of the gasket body is provided with a longitudinal connecting end extending towards one side of the opening end, and the longitudinal connecting ends are one or more than one in interval arrangement; the transverse connecting blocks are detachably connected to two transverse connecting ends on each side respectively, and a coating opening is formed between the transverse connecting modules on two sides. The longitudinal connecting modules are matched with the longitudinal connecting ends in number and detachably connected to the longitudinal connecting ends, and the connected longitudinal connecting modules extend into the coating opening to divide the coating opening into a plurality of parts. Pole piece is gasket for coating, can be used for coating the pole piece of multiple specification, but not only reduction in production cost also can improve production efficiency simultaneously.

Description

Gasket for pole piece coating

Technical Field

The utility model relates to a lithium ion battery technical field, in particular to gasket is used in pole piece coating.

Background

With the continuous development of new energy industry, higher requirements are also put forward on the performance of the lithium ion battery, and particularly, the lithium ion battery is required to have higher energy density and safety performance. The pole piece coating is an important process in the manufacturing process of the lithium ion battery, and the quality of the coating has direct influence on various performances of the lithium ion battery.

At present, the specification of a coating gasket used in the production of a lithium ion battery is generally fixed, but a product of one enterprise is often developed with pole pieces of various specifications. Therefore, different gaskets need to be replaced for pole pieces of different specifications, production efficiency is reduced, and production cost is increased.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a gasket for pole piece coating, it can be used for the pole piece of the multiple specification of coating, but reduction in production cost and can improve production efficiency.

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

a gasket for coating a pole piece comprising:

the gasket comprises a gasket main body, a gasket body and a gasket body, wherein the gasket main body is U-shaped and is provided with an opening at the top end, two inner side walls at the top of the gasket main body are respectively provided with a transverse connecting end extending inwards towards the opening end, the bottom of the gasket main body is provided with a longitudinal connecting end extending towards one side of the opening end, and the longitudinal connecting ends are one or more than one in interval arrangement;

the transverse connecting modules are detachably connected to two transverse connecting ends on each side respectively, a coating opening is formed between the transverse connecting modules on the two sides, and the transverse connecting modules on the two sides limit the coating width of the coating opening;

the longitudinal connecting modules are matched with the longitudinal connecting ends in number and detachably connected to the longitudinal connecting ends, and the connected longitudinal connecting modules extend into the coating opening to divide the coating opening into a plurality of parts which are arranged on two sides of the longitudinal connecting modules.

Furthermore, a plurality of connecting holes used for being combined with the die head are formed in the gasket main body.

Further, the transverse connection end including construct in transverse connection piece in the gasket main part, and in be equipped with first joint portion on the transverse connection piece, transverse connection module is including the transverse block that is equipped with first joint cooperation portion, and by first joint cooperation portion with joint cooperation between the first joint portion, and constitute transverse block in connection on the transverse connection piece.

Furthermore, first joint portion is for locating first card hole on the transverse connection piece, first joint cooperation portion is for locating match in on the transverse connection piece first dop that first card hole set up.

Further, the lateral block is configured with a first stopper extending to a side of the lateral connection block located within the gasket body.

Further, the end of the lateral block that forms the coating opening is chamfered.

Further, vertical link including construct in longitudinal joint piece in the gasket main part, and in be equipped with second joint portion on the longitudinal joint piece, longitudinal joint module is including the vertical piece that is equipped with second joint cooperation portion, and by second joint cooperation portion with joint cooperation between the second joint portion, and constitute vertical piece in connection on the longitudinal joint piece.

Furthermore, second joint portion is for locating second card hole on the longitudinal joint piece, second joint cooperation portion is for locating match in on the longitudinal joint piece second dop that second card hole set up.

Further, the longitudinal block is configured with second stoppers respectively extending toward two opposite sides of the longitudinal connection block.

Further, the longitudinal block is chamfered at an end portion thereof protruding into the coating opening.

Compared with the prior art, the utility model discloses following advantage has:

pole piece gasket for coating, through detachably connect the transverse connection module on each side transverse connection end to detachable connects vertical connection module on vertical connection end, transverse connection module and vertical connection module are changed to this accessible, and adjustment coating open-ended scribbles the width, the coating clearance is left blank width and the size in coating edge thin district, thereby can make this pole piece gasket for coating can be used for the pole piece of the multiple specification of coating, not only can reduce manufacturing cost, can improve production efficiency because of need not to change the gasket simultaneously.

In addition, through setting up the connecting hole, can be convenient for the pole piece for the coating gasket with the combination between the die head. And through the joint cooperation between first joint portion and the first joint cooperation portion, realize the connection of horizontal piece on transverse connection piece, the dismouting of horizontal piece on transverse connection piece of can being convenient for to can be convenient for change transverse connection module. And first joint portion adopts first card hole, and first joint cooperation portion adopts first dop, simple structure, and the design implementation of being convenient for.

Secondly, through construct the first dog that extends to one side that the transverse connection piece is located the gasket main part on the transverse block, can prevent to the infiltration thick liquids in the first calorie of hole, also can improve the connection stability between transverse block and the transverse connection piece simultaneously. While the end of the transverse block, which is chamfered to form the application opening, can be used to construct the thinning zone.

In addition, the clamping cooperation between the second clamping cooperation portion and the second clamping portion is adopted, the longitudinal block is connected to the longitudinal connecting block, the longitudinal connecting module can be conveniently dismounted and mounted on the longitudinal connecting block, and therefore the longitudinal connecting module can be conveniently replaced. And the second clamping part adopts a second clamping hole, and the second clamping matching part adopts a second clamping head, so that the structure is simple, and the design and implementation are convenient. By constructing the second stoppers respectively extended to the two opposite sides of the longitudinal connecting hole on the longitudinal block, the slurry can be prevented from infiltrating into the second chucking holes.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a gasket for pole piece coating according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a gasket main body according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a transverse connection module according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a longitudinal connection module according to an embodiment of the present invention.

Description of reference numerals:

1. a gasket body; 101. a transverse connecting block; 1011. a first card hole; 102. a longitudinal connecting block; 1021. a second chuck; 103. connecting holes;

2. a transverse block; 201. a first chuck; 202. a first stopper;

3. a longitudinal block; 301. a second card hole; 302. a second stop.

Detailed Description

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

In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same item, but are to be construed as indicating or implying any particular importance.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment relates to a gasket for coating a pole piece, which mainly comprises a gasket main body, a transverse connecting module and a longitudinal connecting module in an integral structure. The gasket body is U-shaped and is provided with an opening at the top end, the inner walls of two opposite sides of the top of the gasket body are respectively provided with a transverse connecting end extending towards the inside of the opening end, the bottom of the gasket body is provided with a longitudinal connecting end extending towards one side of the opening end, and the longitudinal connecting ends are one or more than one and are arranged at intervals.

The transverse connecting blocks are two and are detachably connected to the transverse connecting ends on each side respectively, a coating opening is formed between the transverse connecting modules on the two sides, and the coating width of the coating opening is limited by the transverse connecting modules on the two sides. The longitudinal connecting modules are matched with the longitudinal connecting ends in number and detachably connected to the longitudinal connecting ends, and the connected longitudinal connecting modules extend into the coating opening to divide the coating opening into a plurality of parts which are respectively arranged at two sides of the longitudinal connecting modules.

The pole piece gasket for coating of this embodiment, through connect the transverse connection module in the detachably on each side transverse connection end, and connect the longitudinal connection module in the detachable on the longitudinal connection end, transverse connection module and longitudinal connection module are changed to this accessible, and the open coating width of adjustment coating, the size in coating interval margin width and coating edge cut thin district, thereby can make this pole piece gasket for coating can be used for coating the pole piece of multiple specification, not only can reduce manufacturing cost, simultaneously because of need not to change the gasket and can improve production efficiency.

Based on the above overall structure, an exemplary structure of the gasket for pole piece coating of the present embodiment is shown in fig. 1, wherein, as described above, the gasket main body 1 of the present embodiment is U-shaped with an open top end, and the longitudinal connection module is specifically one disposed in the middle of the gasket main body 1. Of course, the number of the vertical connection modules may be more than one, and may be more than one, as the case may be.

In order to realize the combination between the gasket body 1 and the die head, a plurality of connecting holes 103 are formed on the gasket body 1 for bolts on the die head to pass through, and the gasket body 1 can be positioned on the die head by the bolt connection between the bolts and the nuts. Based on the U-shaped structure of gasket main body 1, in order to improve the stability of gasket main body 1 in the setting on the die head, connecting holes 103 are respectively provided at both ends of gasket main body 1, and connecting holes 103 at each end are respectively three that are respectively provided along the longitudinal direction of gasket main body 1. At this time, to facilitate the connection, the connection hole 103 is specifically configured as a long hole. It can be understood that the number of the connecting holes 103 is matched with the number of the bolts on the die head, and when the number of the bolts on the die head is changed, the number of the connecting holes 103 is changed.

The transverse connection module and the transverse connection end can be connected in any detachable mode, and the transverse connection module is convenient to disassemble and assemble and can be quickly replaced. In addition, the two transverse connection modules of the present embodiment are in a left-right symmetrical structure, and the thickness of the two transverse connection modules is the same as that of the gasket main body 1, and the left transverse connection module is taken as an example to be described in detail below.

Structurally, as shown in fig. 2 in combination with fig. 1, the transverse connecting end includes a transverse connecting block 101 configured on the gasket main body 1, and a first clamping portion is provided on the transverse connecting block 101. Wherein, for manufacturing, the first joint portion of this embodiment is for locating first card hole 1011 on the lateral connection piece 101, and this first card hole 1011 includes the body to and constitute the breach of intercommunication between body and the gasket main part 1 inboard. And the notches are arranged in a diameter-reducing mode relative to the body, and the notches on the two transverse connecting blocks 101 are arranged oppositely.

It should be noted that, in addition to arranging the notches of the two first locking holes 1011 oppositely, the notches of the two first locking holes 1011 may be both oriented to the inner side or the outer side of the gasket main body 1, but this may increase the processing difficulty of the transverse connection module.

As shown in fig. 3 and fig. 1, the transverse connection module of the present embodiment includes a transverse block 2 having a first clamping matching portion, and the transverse block 2 is rectangular, and the first clamping matching portion is a first clamping head 201 matching with the first clamping hole 1011 and disposed on one side of the transverse block 2. The transverse connection module is detachably connected to the gasket main body 1 through the clamping fit between the first clamping head 201 and the first clamping hole 1011, and the end, provided with the first clamping head 201, of the transverse block 2 is attached to the transverse connection block 101 due to the clamping.

Based on the structure of the first locking hole 1011, in order to prevent the slurry from penetrating into the first locking hole 1011, as shown in fig. 3, a first stopper 202 extending toward the side of the lateral connecting block 101 located in the gasket main body 1 is configured on the lateral block 2, and the first stopper 202 can be attached to the side wall of the gasket main body 1. In addition, to construct the thinned region, an end portion (i.e., the right end shown in fig. 3) of the lateral block 2 at which the application opening is formed is chamfered.

It should be noted that, instead of providing the first engaging hole 1011 on the lateral connecting block 101 and the first chuck 201 on the lateral block 2, the first engaging hole 1011 may be provided on the lateral block 2 and the first chuck 201 may be configured on the lateral connecting block 101.

Still referring to fig. 1, the thickness of the longitudinal connecting end of the present embodiment is also the same as that of the gasket main body 1, and includes a longitudinal connecting block 102 formed on the gasket main body 1 and protruding toward the inside of the gasket main body 1. The longitudinal connecting block 102 is provided with a second clamping portion for clamping connection with the longitudinal connecting module. And the second clamping part is specifically a second clamping head 1021 arranged on the longitudinal connecting block 102.

And 4, as shown in fig. 1, the longitudinal connecting module includes a longitudinal block 3 having a second clamping matching portion, wherein the second clamping matching portion is specifically matched with the second clamping hole 301 of the second clamping head 1021 on the longitudinal block 3. So set up, the joint cooperation between accessible second card hole 301 and the second dop 1021, and constitute the connection of vertical piece 3 on longitudinal joint piece 102, and can make the bottom of vertical piece 3 laminate mutually with longitudinal joint piece 102 because of this joint.

It is understood that, instead of providing the second chuck 1021 on the longitudinal connecting block 102 and forming the second engaging hole 301 on the longitudinal block 3, the second chuck 1021 may be provided on the longitudinal block 3 and forming the second engaging hole 301 on the longitudinal connecting block 102. Besides, the longitudinal connecting block 102 and the longitudinal block 3 are connected by clamping, and any connecting structure capable of realizing detachable connection between the two can be adopted.

Further, in order to prevent the slurry from penetrating into the second engaging hole 301, as shown in fig. 4, the longitudinal block 3 is configured with second stoppers 302 respectively extending toward two opposite sides of the longitudinal connecting block 102, and two opposite inner sides of the second stoppers 302 may respectively abut against two side faces of the longitudinal connecting block 102. In this embodiment, to form the thinned region, the end of the longitudinal block 3 projecting into the application opening is chamfered, as is also shown in fig. 4. And as a possible implementation, the chamfer of the end of the longitudinal block 3 of the present embodiment is 2.5x 5.

The chamfer angle of the longitudinal block 3 may be the same as or different from the chamfer angle of the end of the transverse block 2 based on different requirements of the thinning area. And the chamfers on the two sides of the longitudinal block 3 and the transverse block 2 can be the same or different.

The shim for pole piece coating of the present embodiment can be developed with a plurality of transverse blocks 2 having different lengths L, and the coating width of the coating opening can be adjusted by replacing different transverse blocks 2. In addition, the coating gap margin width is adjusted by developing a plurality of longitudinal blocks 3 having different widths K and replacing different longitudinal blocks 3. And the adjustment of the thinning area can be realized by changing the chamfers at the end parts of the transverse block 2 and the longitudinal block 3, so that the gasket for coating the pole piece can be used for coating pole pieces with various specifications, the production cost can be reduced, and the production efficiency can be improved because the gasket does not need to be replaced.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A gasket for coating a pole piece is characterized in that: the method comprises the following steps:

the gasket comprises a gasket main body (1), wherein the gasket main body (1) is U-shaped and is provided with an opening at the top end, two inner side walls at the top of the gasket main body (1) are respectively provided with a transverse connecting end extending inwards towards the opening end, the bottom of the gasket main body (1) is provided with a longitudinal connecting end extending towards one side of the opening end, and the longitudinal connecting ends are one or more than one in interval arrangement;

2. The gasket for coating a pole piece according to claim 1, wherein: the gasket body (1) is provided with a plurality of connecting holes (103) used for being combined with the die head.

3. The gasket for coating a pole piece according to claim 1, wherein: transverse connection end including construct transverse connection piece (101) on gasket main part (1), and in be equipped with first joint portion on transverse connection piece (101), transverse connection module is including transverse block (2) that are equipped with first joint cooperation portion, and by first joint cooperation portion with joint cooperation between the first joint portion, and constitute transverse block (2) in connection on transverse connection piece (101).

4. The gasket for coating a pole piece according to claim 3, wherein: first joint portion is for locating first card hole (1011) on transverse connection piece (101), first joint cooperation portion is for locating match on transverse connection piece (2) in first dop (201) that first card hole (1011) set up.

5. The gasket for coating a pole piece according to claim 3, wherein: the transverse block (2) is provided with a first stop (202) extending towards one side of the transverse connecting block (101) located in the gasket main body (1).

6. The gasket for coating a pole piece according to claim 3, wherein: the end of the transverse block (2) forming the application opening is chamfered.

7. The gasket for coating a pole piece according to any one of claims 1 to 6, wherein: longitudinal joint end including construct longitudinal joint piece (102) on gasket main part (1), and in be equipped with second joint portion on longitudinal joint piece (102), longitudinal joint module is including longitudinal block (3) that are equipped with second joint cooperation portion, and by second joint cooperation portion with joint cooperation between the second joint portion, and constitute longitudinal block (3) in connection on longitudinal joint piece (102).

8. The gasket for coating a pole piece according to claim 7, wherein: the second clamping portion is arranged on a second clamping head (1021) on the longitudinal connecting block (102), and the second clamping matching portion is arranged on the longitudinal block (3) and matched with a second clamping hole (301) formed in the second clamping head (1021).

9. The gasket for coating a pole piece according to claim 7, wherein: the longitudinal block (3) is configured with second stop blocks (302) extending towards two opposite sides of the longitudinal connecting block (102), respectively.

10. The gasket for coating a pole piece according to claim 7, wherein: the longitudinal block (3) is provided with a chamfer at the end extending into the coating opening.