CN217512205U - Coating gasket for preventing ceramic mixing and coating head - Google Patents

Coating gasket for preventing ceramic mixing and coating head Download PDF

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Publication number
CN217512205U
CN217512205U CN202122362865.0U CN202122362865U CN217512205U CN 217512205 U CN217512205 U CN 217512205U CN 202122362865 U CN202122362865 U CN 202122362865U CN 217512205 U CN217512205 U CN 217512205U
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ceramic
gasket
coating
die head
runner
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CN202122362865.0U
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Chinese (zh)
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刘峰
张文广
王润发
纪荣进
李聪
王诗龙
郑明清
陈杰
李载波
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Huizhou Liwinon Energy Technology Co Ltd
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Huizhou Liwinon Energy Technology Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model belongs to the technical field of battery production and manufacture, in particular to a coating gasket and a coating head for preventing ceramic mixing, which comprises a gasket body (1) provided with a splitter plate (2); the ceramic flow channel (3) is arranged on the surfaces of the gasket body (1) and the splitter plate (2); one end of the ceramic runner (3) is used for corresponding to the ceramic slurry diversion hole (411) of the upper die head (41), the other end of the ceramic runner (3) is used for corresponding to the coating port, and the ceramic runner (3) and the ceramic slurry diversion hole (411) are both positioned on the front side of the storage cavity (421) of the lower die head (42). The utility model discloses pottery compounding when can preventing the coating improves pole piece production yields.

Description

Coating gasket for preventing ceramic mixing and coating head
Technical Field
The utility model belongs to the technical field of battery production manufacturing, concretely relates to prevent coating gasket and coating head of pottery compounding.
Background
In the face of the continuous improvement of the fast charging requirement of electronic products on batteries, more and more consumer batteries begin to adopt a multi-tab structure for reducing the internal resistance of the batteries. The coating mode of the multi-tab structure battery core is strip coating, one or more slurry is coated at the same time each time, and ceramics are coated on two sides of each slurry synchronously. The method for synchronously coating ceramic widely used at present is that a ceramic flow channel is arranged on the surface of a gasket arranged between an upper die head and a lower die head of a coating head, and ceramic slurry flows to a coating port through the ceramic flow channel on the surface of the gasket to be coated after being injected into the coating head.
However, when a plurality of coating heads and gaskets with the ceramic coating function are coated, a plurality of ceramic slurry on the inner side often overflow from the ceramic flow channel and flow into the storage cavity, so that the main slurry and the ceramic slurry are mixed, and the production yield of the pole piece is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an one of the purpose lies in: to prior art's not enough, provide a coating gasket who prevents ceramic compounding, ceramic compounding when can preventing the coating improves pole piece production yields.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a coating gasket for preventing ceramic mixing comprises a gasket body, a plurality of flow distribution sheets and a plurality of sealing rings, wherein the flow distribution sheets are arranged on the gasket body; the ceramic flow channel is arranged on the surfaces of the gasket body and the splitter plate; one end of the ceramic flow channel is used for corresponding to the ceramic slurry diversion hole of the upper die head, the other end of the ceramic flow channel is used for corresponding to the coating port, and the ceramic flow channel and the ceramic slurry diversion hole are both positioned on the front side of the storage cavity of the lower die head.
Preferably, the splitter plate sets up the middle part of gasket body, the both sides of gasket body all are provided with the convex part, the convex part court the direction of splitter plate extends, the convex part with the tip of splitter plate all sets up the ceramic runner.
Preferably, the ceramic flow channel is a groove body, and the ratio of the depth of the ceramic flow channel to the thickness of the gasket body is 0.2-1.
Preferably, at least part of the ceramic flow channel is a hollow structure.
Preferably, the gasket body and the splitter vane are of an integrally formed structure.
Preferably, two ceramic flow channels are arranged at the end part of at least one of the flow distribution plates and respectively correspond to the two ceramic slurry diversion holes.
Preferably, the two ceramic runners are communicated and correspond to the same ceramic slurry diversion hole.
Preferably, the number of the splitter plates is 1-5.
Preferably, the gasket body is of a plate-shaped structure, and the thickness of the gasket body is 0.1 mm-1 mm.
A second object of the utility model is to provide a scribble leftover of bolt of cloth, including last die head, lower die head and foretell coating gasket who prevents the pottery compounding, it is provided with ceramic thick liquids water conservancy diversion hole to go up the die head, ceramic thick liquids water conservancy diversion hole intercommunication the tip of ceramic runner, the die head is provided with the storage cavity down, ceramic thick liquids water conservancy diversion hole site is in the front side in storage cavity.
The utility model has the advantages that the utility model comprises a gasket body, which is provided with a splitter plate; the ceramic flow channel is arranged on the surfaces of the gasket body and the splitter plate; one end of the ceramic flow channel is used for corresponding to the ceramic slurry diversion hole of the upper die head, the other end of the ceramic flow channel is used for corresponding to the coating port, and the ceramic flow channel and the ceramic slurry diversion hole are both positioned on the front side of the storage cavity of the lower die head. Because several ceramic slurry on the inner side often overflow a ceramic flow channel when a plurality of coating heads and gaskets with the ceramic coating function are coated, and flow into a storage cavity to cause mixing of main slurry and the ceramic slurry, and the production yield of a pole piece is seriously influenced, in order to improve the problem that the ceramic flow channel is too long or the gaskets deform to cause mixing, a ceramic slurry guide hole of an upper die head is designed on the front side of the storage cavity, the ceramic slurry is directly injected into the ceramic flow channel of a gasket body from the ceramic slurry guide hole and then directly flows to a coating opening through the ceramic flow channel, the ceramic flow channel is designed to be short, the position of the flow channel is tightly attached by the upper die head and the lower die head and does not pass through the storage cavity of the lower die head, and the phenomenon of material leakage caused by the increase of the feeding pressure caused by the overlong ceramic flow channel or the deformation of the gaskets is avoided, wherein the ceramic flow channel is arranged on the front side of the storage cavity, can shorten the ceramic runner, reduce ceramic thick liquids feed pressure, prevent that too big ceramic thick liquids of feed pressure from spilling over from the runner, lead to the condition of compounding. The utility model discloses pottery compounding when can preventing the coating improves pole piece production yields.
Drawings
Features, advantages and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
Fig. 1 is a plan view of a gasket body according to a first embodiment of the present invention.
Fig. 2 is a plan view of an upper die head according to a first embodiment of the present invention.
Fig. 3 is a plan view of a lower die according to a first embodiment of the present invention.
Fig. 4 is a plan view of a gasket body according to a second embodiment of the present invention.
Fig. 5 is a top view of an upper die of a second embodiment of the present invention.
Fig. 6 is a plan view of a gasket body according to a third embodiment of the present invention.
Fig. 7 is a top view of an upper die according to a third embodiment of the present invention.
Fig. 8 is a side view of a coating head of the present invention.
Wherein the reference numerals are as follows:
1-a gasket body; 11-a convex part;
2-splitter plates;
3-a ceramic flow channel;
41-upper die head; 42-a lower die; 411-ceramic slurry flow guide holes; 421-a storage chamber.
Detailed Description
As some terms are used throughout the description and claims to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.
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.
In the present application, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being 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 fig. 1 to 8, but the present invention is not limited thereto.
Implementation mode one
The first embodiment will be described with reference to the accompanying drawings 1 to 3
The coating gasket for preventing ceramic mixing comprises a gasket body 1, wherein a splitter blade 2 is arranged; the ceramic flow channel 3 is arranged on the surfaces of the gasket body 1 and the splitter plate 2; one end of the ceramic runner 3 is used for corresponding to the ceramic slurry diversion hole 411 of the upper die head 41, the other end of the ceramic runner 3 is used for corresponding to the coating port, and the ceramic runner 3 and the ceramic slurry diversion hole 411 are both positioned at the front side of the storage cavity 421 of the lower die head 42.
Because when a plurality of coating heads and gaskets with the ceramic coating function are coated, a plurality of ceramic slurry on the inner side often overflow a ceramic flow channel and flow into a storage cavity to cause the mixing of main slurry and the ceramic slurry, and the production yield of a pole piece is seriously influenced, in order to improve the mixing caused by overlong ceramic flow channel or deformation of the gasket, a ceramic slurry guide hole 411 of an upper die head 41 is designed on the front side of the storage cavity 421, the ceramic slurry is directly injected into a ceramic flow channel 3 of a gasket body 1 from the ceramic slurry guide hole 411 and then directly flows to a coating opening through the ceramic flow channel 3, the designed flow channel of the ceramic flow channel 3 is short, the position of the flow channel is tightly attached by the upper die head 41 and the lower die head 42 and does not pass through the upper part of the storage cavity 421 of the lower die head 42, and the phenomenon of material leakage caused by the increase of the feeding pressure caused by overlong ceramic flow channel 3 or deformation of the gasket is avoided, wherein, ceramic runner 3 can shorten ceramic runner 3 in the front side of storage chamber 421, reduces ceramic thick liquids feed pressure, prevents that too big ceramic thick liquids of feed pressure from overflowing from the runner, leads to the condition of compounding.
In the present embodiment, the ceramic runner 3 is located at a position clamped by the upper die 41 and the lower die 42, and the grooving position of the ceramic runner 3 may be that the gasket body 1 is close to the surface of the upper die 41, or that the gasket body 1 is close to the surface of the lower die 421. The front side can be understood as the side of the reservoir 421 of the lower die 42 near the end of the manifold 2, such that the reservoir 421 and the ceramic runner 3 are spatially offset.
The utility model discloses still be equipped with the transfer jar of storing ceramic thick liquids alone, then ceramic thick liquids pass through the pipeline and with the water conservancy diversion bolted connection, carry the ceramic flow path 3 of coating gasket with ceramic thick liquids.
According to the utility model discloses an in the coating gasket that prevents ceramic compounding, splitter plate 2 sets up at the middle part of gasket body 1, and the both sides of gasket body 1 all are provided with convex part 11, and convex part 11 extends towards splitter plate 2's direction, and convex part 11 and splitter plate 2's tip all sets up ceramic runner 3.
According to the utility model discloses an in the coating gasket that prevents the pottery compounding, ceramic runner 3 is the cell body, and the ratio of the degree of depth and the 1 thickness of gasket body of ceramic runner 3 is 0.2~ 1. The ratio of the depth of the ceramic flow channel 3 to the thickness of the gasket body 1 is defined so that the ceramic slurry can flow along the ceramic flow channel 3 to the coating port.
According to the utility model discloses an among the coating gasket that prevents ceramic compounding, gasket body 1 and splitter vane 2 are the integrated into one piece structure. Design into integral type structure with gasket body 1 and splitter 2, help improving the whole mechanical strength of coating gasket, prolong the life of coating gasket.
According to the utility model discloses an among the coating gasket that prevents ceramic compounding, gasket body 1 is platelike structure, is convenient for press from both sides gasket body 1 between upper die head 41 and lower die head 42, and gasket body 1's thickness is 0.1mm ~1 mm.
According to the utility model discloses an in the coating gasket that prevents ceramic compounding, the tip of at least one splitter 2 sets up two ceramic flow channels 3, and corresponds two ceramic thick liquids water conservancy diversion holes 411 respectively, and the quantity of splitter 2 is 1. Specifically, a splitter plate 2 is arranged in the middle of a gasket body 1, ceramic runners 3 with the groove depth of 0.5mm are arranged at the positions, close to the surface of an upper die head 41, of the splitter plate 2 and the two sides of the gasket body 1, and the ceramic runners 3 are located on the front side of the splitter plate 2 or the gasket body 1; after the coating gasket is arranged between the upper die head 41 and the lower die head 42, the tail part of the ceramic runner 3 in the gasket body 1 is positioned at the front side of the storage cavity 421 of the lower die head 42, the front section opening position of the ceramic runner 3 is directly communicated with a coating opening, the ceramic slurry diversion hole 411 is also positioned at the front side of the storage cavity 421, and the tail part of the ceramic runner 3 is directly connected and positioned from the surface of the upper die head 41.
The utility model discloses a theory of operation is:
in order to improve the mixing caused by overlong ceramic flow channel or deformation of the gasket, the ceramic slurry guide hole 411 of the upper die head 41 is designed at the front side of the storage cavity 421, the ceramic slurry is directly injected into the ceramic flow channel 3 of the gasket body 1 from the ceramic slurry guide hole 411 and then directly flows to a coating port through the ceramic flow channel 3, the designed flow channel of the ceramic flow channel 3 is short, the position of the flow channel is tightly attached to the upper die head 41 and the lower die head 42 and does not pass through the storage cavity 421 of the lower die head 42, and the phenomena of material leakage caused by material leakage increase of the supply pressure or deformation of the gasket due to overlong ceramic flow channel are avoided, wherein the ceramic flow channel 3 is arranged at the front side of the storage cavity 421, the ceramic flow channel 3 can be shortened, the supply pressure of the ceramic slurry is reduced, and the phenomenon that the ceramic slurry with overlarge supply pressure overflows from the flow channel to cause the mixing is prevented.
Second embodiment
The difference from the first embodiment is that: the number of the splitter plates 2 is 2, and at least part of the ceramic flow channels 3 are hollow structures. Specifically, gasket body 1 thickness 0.8mm, be equipped with two splitter plates 2 in the middle of gasket body 1, splitter plate 2 and gasket body 1 both sides are close to die head 42 surface position down and are opened the ceramic runner 3 that the groove depth is 0.4mm, ceramic runner 3 is located splitter plate 2 or gasket body 1's front side, arrange gasket body 1 back in the middle of upper die head 41 and die head 42 in, the afterbody of ceramic runner 3 is located die head 42 storage cavity 421 front side down in gasket body 1, the direct coating mouth of 3 anterior segment open positions of ceramic runner. Ceramic slurry diversion holes 411 of the upper die head 41 are also located on the front side of the storage cavity 421, the tail of the ceramic runner 3 located on the gasket body 1 is directly connected to the surface of the upper die head 41, the tail of the ceramic runner 3 on the surface of the gasket body 1 is hollow, and slurry can enter the ceramic runner 3 from the diversion holes. Wherein, the position that the afterbody of ceramic runner 3 links up with ceramic thick liquids water conservancy diversion hole 411 of last die head 41 is the fretwork, can reduce the ceramic thick liquids transportation in-process at the inside resistance of cavity, and thick liquids transport unblocked, can make ceramic coating pressure more stable.
Other structures are the same as those of the first embodiment, and are not described herein again.
Third embodiment
The difference from the first embodiment is that: the two ceramic flow channels 3 of the present embodiment are communicated with each other and correspond to the same ceramic slurry guiding hole 411. Specifically, the thickness of gasket body 1 is 0.8mm, is equipped with 1 splitter plate 2 in the middle of the gasket body 1, and splitter plate 2 and 1 both sides of gasket body are close to the ceramic runner 3 that the die head surface position opened the groove depth and is 0.4mm, and ceramic runner 3 is located splitter plate 2 or the front side of gasket body 1. After arranging gasket body 1 in between upper die head 41 and lower die head 42, the afterbody of ceramic runner 3 is located the front side of lower die head 42 storage cavity 421 in gasket body 1, and the anterior segment open position of ceramic runner 3 directly leads to the coating mouth, and wherein, ceramic runner 3 on middle reposition of redundant personnel piece 2 is divided into two, and corresponds same ceramic thick liquids water conservancy diversion hole 411, sets up two openings in the coating mouth position, can coat two ceramic thick liquids simultaneously. The ceramic slurry diversion hole 411 of the upper die head 41 is also positioned on the front side of the storage cavity 421, and is directly connected with the tail part of the ceramic flow channel 3 of the gasket body 1 from the surface of the upper die head 41.
Other structures are the same as those of the first embodiment, and are not described herein again.
Coating head
The utility model discloses a coating gasket of ceramic compounding that prevents of embodiment one ~ three.
Including last die head 41, lower die head 42 and foretell coating gasket who prevents ceramic compounding, go up die head 41 and be provided with ceramic thick liquids water conservancy diversion hole 411, ceramic thick liquids water conservancy diversion hole 411 communicates ceramic runner 3's tip, and lower die head 42 is provided with storage cavity 421, and ceramic thick liquids water conservancy diversion hole 411 is located the front side of storage cavity 421.
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 (9)

1. A coated gasket for preventing ceramic mixing, comprising:
the gasket body (1) is provided with a splitter plate (2);
the ceramic flow channel (3) is arranged on the surfaces of the gasket body (1) and the splitter plate (2);
the one end of pottery runner (3) is used for corresponding ceramic thick liquids water conservancy diversion hole (411) of upper die head (41), the other end of pottery runner (3) is used for corresponding the coating mouth, pottery runner (3) with ceramic thick liquids water conservancy diversion hole (411) all are located the front side of storage cavity (421) of die head (42) down, at least one the tip of reposition of redundant personnel piece (2) sets up two pottery runner (3), two pottery runner (3) intercommunication, and it is same to correspond ceramic thick liquids water conservancy diversion hole (411).
2. A ceramic batch resistant coated gasket according to claim 1, wherein: the splitter plate (2) sets up the middle part of gasket body (1), the both sides of gasket body (1) all are provided with convex part (11), convex part (11) court the direction of splitter plate (2) extends, convex part (11) with the tip of splitter plate (2) all sets up ceramic runner (3).
3. A ceramic batch resistant coated gasket as claimed in claim 1, wherein: the ceramic flow channel (3) is a groove body, and the ratio of the depth of the ceramic flow channel (3) to the thickness of the gasket body (1) is 0.2-1.
4. A ceramic batch resistant coated gasket as claimed in claim 1, wherein: at least part of the ceramic flow channel (3) is of a hollow structure.
5. A ceramic batch resistant coated gasket according to claim 1, wherein: the gasket body (1) and the splitter plate (2) are of an integrally formed structure.
6. A ceramic batch resistant coated gasket according to claim 1, wherein: the two ceramic flow channels (3) respectively correspond to the two ceramic slurry diversion holes (411).
7. A ceramic batch resistant coated gasket according to claim 1, wherein: the number of the splitter plates (2) is 1-5.
8. A ceramic batch resistant coated gasket according to claim 1, wherein: the gasket body (1) is of a plate-shaped structure, and the thickness of the gasket body (1) is 0.1 mm-1 mm.
9. A coating head characterized by: the coating gasket for preventing ceramic mixing comprises an upper die head (41), a lower die head (42) and the coating gasket for preventing ceramic mixing as claimed in any one of claims 1 to 8, wherein the upper die head (41) is provided with a ceramic slurry diversion hole (411), the ceramic slurry diversion hole (411) is communicated with the end part of the ceramic runner (3), the lower die head (42) is provided with a storage cavity (421), and the ceramic slurry diversion hole (411) is positioned on the front side of the storage cavity (421).
CN202122362865.0U 2021-09-28 2021-09-28 Coating gasket for preventing ceramic mixing and coating head Active CN217512205U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122362865.0U CN217512205U (en) 2021-09-28 2021-09-28 Coating gasket for preventing ceramic mixing and coating head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122362865.0U CN217512205U (en) 2021-09-28 2021-09-28 Coating gasket for preventing ceramic mixing and coating head

Publications (1)

Publication Number Publication Date
CN217512205U true CN217512205U (en) 2022-09-30

Family

ID=83368487

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122362865.0U Active CN217512205U (en) 2021-09-28 2021-09-28 Coating gasket for preventing ceramic mixing and coating head

Country Status (1)

Country Link
CN (1) CN217512205U (en)

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