CN220295080U - Battery coating device - Google Patents
Battery coating device Download PDFInfo
- Publication number
- CN220295080U CN220295080U CN202321735609.4U CN202321735609U CN220295080U CN 220295080 U CN220295080 U CN 220295080U CN 202321735609 U CN202321735609 U CN 202321735609U CN 220295080 U CN220295080 U CN 220295080U
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- China
- Prior art keywords
- slurry
- coating
- diversion
- die head
- battery
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011248 coating agent Substances 0.000 title claims abstract description 90
- 238000000576 coating method Methods 0.000 title claims abstract description 90
- 239000002002 slurry Substances 0.000 claims abstract description 161
- 238000011084 recovery Methods 0.000 claims abstract description 23
- 238000007581 slurry coating method Methods 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Coating Apparatus (AREA)
Abstract
The utility model provides a battery coating device, which comprises: the coating die head is provided with a coating lip, a slurry diversion groove is concavely formed in one side face of the coating die head, and the slurry diversion groove is positioned below the coating lip and is arranged on the same side with the coating lip; and the slurry recovery tank is communicated with the slurry diversion groove. The battery coating device in this embodiment is through setting up thick liquids recovery tank and thick liquids water conservancy diversion recess, and the thick liquids that empty spouts can flow into the thick liquids recovery tank through thick liquids water conservancy diversion recess and carry out recycle, reduce thick liquids and scrap, improve the productivity effect. And moreover, abnormal slurry accumulation of a coating lip is avoided through the drainage of the slurry diversion groove, the personnel workload is reduced while the quality factors affecting the coating pole piece are eliminated, and the production efficiency and the personnel happiness are improved.
Description
Technical Field
The utility model relates to the technical field of coating devices, in particular to a battery coating device.
Background
Coating is one of important procedures in the production process of lithium ion batteries, and the coating production process is to uniformly coat slurry on current collectors such as aluminum foil or copper foil through coating equipment, and form solid matters with certain thickness and size after drying in an oven.
In the battery coating production process, operators can retract the cutters regularly, and the coating lips are cleaned and infiltrated in an air-jet slurry mode to eliminate slurry large particles among the lips, so that the lips are prevented from being blocked by large particle substances in the slurry, and scratches of the coated pole pieces are prevented.
However, on the one hand, the air-jet slurry is often disposed of in a scrapped manner, resulting in unnecessary waste and affecting the economic benefits in production. On the other hand, as the production proceeds, the slurry at the wall of the lower part of the coating lip is gathered to form solid slurry aggregates, the volume of the aggregates is gradually increased to contact with the foil, the foil is rubbed with the solid slurry, the foil is damaged, the quality of the final coated pole piece is affected, the slurry below the lip can be cleaned on site at regular intervals, the equipment is in a shutdown state during cleaning, the production efficiency is reduced in unit time, and meanwhile, the workload of personnel is increased, so that improvement exists.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, one purpose of the utility model is to provide a battery coating device which can recycle the air-jet slurry, reduce the scrapping of the slurry and improve the production benefit; and moreover, abnormal accumulation of coating lip slurry can be avoided, the quality factors affecting the coated pole piece are eliminated, the workload of personnel is reduced, and the production efficiency and the personnel happiness are improved.
According to an embodiment of the present utility model, a battery coating apparatus includes:
the coating die head is provided with a coating lip, a slurry diversion groove is concavely formed in one side face of the coating die head, and the slurry diversion groove is positioned below the coating lip and is arranged on the same side with the coating lip;
and the slurry recovery tank is communicated with the slurry diversion groove.
According to some embodiments of the utility model, a slurry diversion component is arranged in the coating die head, and the slurry diversion component is communicated between the slurry diversion groove and the slurry recovery tank and is used for diverting the slurry on the slurry diversion groove.
According to some embodiments of the utility model, the slurry diversion assembly comprises a plurality of slurry diversion openings and a slurry diversion channel communicated with the plurality of slurry diversion openings;
the slurry diversion openings are arranged at intervals and are communicated with the slurry diversion grooves, and the slurry diversion channels are communicated with the slurry recovery tank.
According to some embodiments of the utility model, at least two slurry guiding grooves are provided, and a plurality of slurry guiding grooves are arranged at intervals along the height direction of the coating die head.
According to some embodiments of the utility model, the slurry guide grooves are inclined, and the inclination angle alpha of the slurry guide grooves is more than 30 degrees.
According to some embodiments of the utility model, the slurry diversion channel is inclined, and the inclination angle gamma of the slurry diversion channel is more than 30 degrees.
According to some embodiments of the utility model, the slurry diversion channel and the slurry diversion groove are arranged in parallel.
According to some embodiments of the utility model, the coating die comprises an upper die and a lower die, a slurry coating channel for slurry to flow through is formed between the upper die and the lower die;
the same side of the upper die head and the lower die head are convexly arranged to form the coating lip, and the slurry diversion groove is arranged on the lower die head.
In summary, the battery coating device provided by the embodiment of the utility model has the following technical effects:
the battery coating device in this embodiment is through setting up thick liquids recovery tank and thick liquids water conservancy diversion recess, and the thick liquids that empty spouts can flow into the thick liquids recovery tank through thick liquids water conservancy diversion recess and carry out recycle, reduce thick liquids and scrap, improve the productivity effect. And moreover, abnormal slurry accumulation of a coating lip is avoided through the drainage of the slurry diversion groove, the personnel workload is reduced while the quality factors affecting the coating pole piece are eliminated, and the production efficiency and the personnel happiness are improved.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
Fig. 1 is a schematic structural view of a battery coating device according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a slurry diverter assembly and slurry diverter grooves in a battery coating apparatus according to one embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a slurry diverter channel and a slurry diverter groove in a battery coating apparatus according to another embodiment of the present utility model;
fig. 4 is a schematic view illustrating a structure of a battery coating device according to an embodiment of the present utility model;
FIG. 5 is a cross-sectional view of a slurry diversion channel in a battery coating apparatus according to an embodiment of the present utility model;
icon: the coating device comprises a 1-coating die head, a 11-coating lip, a 12-upper die head, a 13-lower die head, a 14-slurry coating channel, a 2-slurry diversion groove, a 3-slurry recovery tank, a 4-slurry diversion assembly, a 41-slurry diversion port, a 42-slurry diversion channel, a 43-slurry diversion channel and a 5-pole piece.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the present application, are preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, e.g., the terms "connected" or "coupled" of a mechanical structure may refer to a physical connection, e.g., the physical connection may be a fixed connection, e.g., by a fastener, such as a screw, bolt, or other fastener; the physical connection may also be a detachable connection, such as a snap-fit or snap-fit connection; the physical connection may also be an integral connection, such as a welded, glued or integrally formed connection. "connected" or "connected" of circuit structures may refer to physical connection, electrical connection or signal connection, for example, direct connection, i.e. physical connection, or indirect connection through at least one element in the middle, so long as circuit communication is achieved, or internal communication between two elements; signal connection may refer to signal connection through a medium such as radio waves, in addition to signal connection through a circuit. The specific meaning of the terms in the embodiments of the present application will be understood by those of ordinary skill in the art in a specific context.
In order to clearly describe the respective orientations in the following embodiments, some orientation words such as the described X-direction, Y-direction, and Z-direction in the coordinate system may be used to describe the directions of indication of the operation and construction of the respective members of the present embodiment are not absolute but relative, and although these indications are appropriate when the respective members are in the positions shown in the drawings, these directions should be interpreted differently when the positions are changed to correspond to the changes.
It is to be understood that in the description of the present application, terms such as "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc., are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present application.
A battery coating apparatus according to an embodiment of the present utility model will be described below with reference to fig. 1 to 5, and some embodiments of the present application will be described in detail below with reference to the accompanying drawings, in which the following embodiments and features of the embodiments may be combined with each other without conflict.
The embodiment discloses a battery coating device which is particularly used for coating production of lithium ion batteries.
The battery coating device comprises a coating die head 1 and a slurry recovery tank 3, wherein the coating die head 1 is provided with a coating lip 11, a slurry diversion groove 2 is concavely formed in one side surface of the coating die head 1, the slurry diversion groove 2 is positioned below the coating lip 11 and is arranged on the same side as the coating lip 11, and the slurry recovery tank 3 is communicated with the slurry diversion groove 2.
In view of the problem that the existing coating device causes unnecessary waste of slurry due to air-jet slurry and the problem that slurry is easy to gather below the coating lip 11 to form solid slurry aggregates to affect the quality of the finally coated pole piece 5, the battery coating device in this embodiment is provided with the slurry recovery tank 3 and the slurry guide groove 2, and the air-jet slurry flows into the slurry recovery tank 3 through the slurry guide groove 2 for recycling, so that the slurry scrapping is reduced and the production benefit is improved. And, through the drainage of thick liquids water conservancy diversion recess 2 in order to avoid coating lip 11 thick liquids to pile up unusual, reduce personnel's work load when eliminating the quality factor that influences coating pole piece 5, improve production efficiency and personnel's happiness.
Further, the coating die head 1 is internally provided with a slurry diversion component 4, and the slurry diversion component 4 is communicated between the slurry diversion groove 2 and the slurry recovery tank 3, and is used for diverting slurry on the slurry diversion groove 2, which can be specifically referred to fig. 1 and 2. The battery coating device of this embodiment has thick liquids reposition of redundant personnel subassembly 4 in thick liquids water conservancy diversion recess 2 and thick liquids recovery jar 3 intercommunication, and thick liquids reposition of redundant personnel subassembly 4 can shunt the thick liquids that flow in the thick liquids water conservancy diversion recess 2 effectively, prevents that thick liquids flow in the thick liquids water conservancy diversion recess 2 from being big and overflowing.
Specifically, the slurry diversion assembly 4 includes a plurality of slurry diversion openings 41 and a slurry diversion channel 42 communicating with the plurality of slurry diversion openings 41; the slurry diversion openings 41 are arranged at intervals and are communicated with the slurry diversion groove 2, and the slurry diversion channel 42 is communicated with the slurry recovery tank 3, which can be specifically referred to fig. 1 and 2. The slurry diversion groove 2 in the battery coating device of the embodiment is communicated with a plurality of slurry diversion openings 41, the slurry in the slurry diversion groove 2 can be effectively diverted through the slurry diversion openings 41, the diverted slurry can flow into the slurry diversion channel 42 and then flow into the slurry recovery tank 3 from the slurry diversion channel 42 for recovery and utilization, and the slurry in the slurry diversion groove 2 can be prevented from overflowing due to large flow rate by arranging the slurry diversion openings 41.
In other embodiments, the slurry diversion assembly 4 may specifically be provided with a plurality of slurry diversion channels 43, and the plurality of slurry diversion channels 43 are communicated with the slurry recovery tank 3, and referring specifically to fig. 3, the slurry diversion assembly also can play a role in diversion, so as to prevent the slurry in the slurry diversion groove 2 from overflowing due to large flow.
Further, at least two slurry guiding grooves 2 are provided, and a plurality of slurry guiding grooves are arranged at intervals along the height direction of the coating die head 1, which can be specifically referred to fig. 1. The number of the slurry guide grooves 2 in the battery coating device of the embodiment is specifically set to be more than two, so that slurry left from the coating lip 11 can be further recycled, even if slurry overflows from the previous slurry guide groove 2, the next slurry guide groove 2 can continuously recycle the slurry, the recycling capability is further improved, the slurry scrapping is reduced, and the production benefit is improved.
Further, the slurry guiding groove 2 is obliquely disposed, and the inclination angle α of the slurry guiding groove 2 is > 30 °, for example, the inclination angle α may be 32 °, 34 °, 36 °, 38 °, 40 °, or the like, and of course, in other embodiments, the inclination angle α may be other values within this range. It should be noted that, the inclination angle α refers to an angle between the longitudinal direction L1 and the horizontal direction L2 of the inclined slurry guiding groove 2, and reference may be made specifically to fig. 4. The battery coating device of the embodiment can eliminate the problem that the slurry cannot flow due to friction force by means of gravity action by arranging the inclined slurry guide groove 2 with the inclination angle alpha being more than 30 degrees, so that the slurry can flow into the slurry recovery tank 3 more quickly for communication.
Further, the slurry diversion channel 42 is disposed at an inclination angle γ > 30 °, for example, the inclination angle γ may be 32 °, 34 °, 36 °, 38 °, 40 °, or the like, and the inclination angle γ may be other values within this range in other embodiments. The inclination angle γ refers to an angle between the longitudinal direction L3 and the horizontal direction L2 of the inclined slurry diversion passage 42 itself, and reference is specifically made to fig. 5. The battery coating device of the embodiment can further eliminate the problem that the slurry cannot flow due to friction force by means of gravity action by arranging the inclined slurry diversion channel 42 with the inclination angle gamma being more than 30 degrees, so that the slurry can flow into the slurry recovery tank 3 for communication more quickly.
Specifically, the slurry diversion channel 42 and the slurry diversion groove 2 are arranged in parallel, so that the synchronous processing and manufacturing can be performed during processing, and the processing efficiency is improved.
Further, the coating die 1 includes an upper die 12 and a lower die 13, and a slurry coating channel 14 through which slurry flows is formed between the upper die 12 and the lower die 13; the upper die 12 and the lower die 13 are arranged on the same side face in a protruding manner to form the coating lip 11, and the slurry guiding groove 2 is arranged on the lower die 13, and reference can be made specifically to fig. 1. The battery coating device of the present embodiment is configured by providing an upper die 12 and a lower die 13, and forming a slurry coating passage 14 and a coating lip 11 between the upper die 12 and the lower die 13 for coating the pole piece 5 to achieve coating.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (8)
1. A battery coating apparatus, characterized by comprising:
the coating die head (1), the coating die head (1) is provided with a coating lip (11), a slurry diversion groove (2) is concavely arranged on one side surface of the coating die head (1), and the slurry diversion groove (2) is positioned below the coating lip (11) and is arranged on the same side with the coating lip (11);
and the slurry recycling tank (3) is communicated with the slurry diversion groove (2).
2. A battery coating device according to claim 1, characterized in that a slurry diversion component (4) is arranged inside the coating die head (1), and the slurry diversion component (4) is communicated between the slurry diversion groove (2) and the slurry recovery tank (3) and is used for diverting slurry on the slurry diversion groove (2).
3. A battery coating device according to claim 2, wherein the slurry dividing assembly (4) comprises a number of slurry dividing openings (41) and a slurry dividing channel (42) communicating with the number of slurry dividing openings (41);
the slurry diversion openings (41) are arranged at intervals and are communicated with the slurry diversion grooves (2), and the slurry diversion channels (42) are communicated with the slurry recovery tank (3).
4. The battery coating device according to claim 1, wherein at least two slurry guiding grooves (2) are provided, and a plurality of the slurry guiding grooves are arranged at intervals along the height direction of the coating die head (1).
5. A battery coating device according to any one of claims 1-4, characterized in that the slurry guiding grooves (2) are arranged obliquely and that the angle of inclination α of the slurry guiding grooves (2) is > 30 °.
6. A battery coating device according to claim 3, characterized in that the slurry diverting channel (42) is inclined and the inclination angle γ of the slurry diverting channel (42) is > 30 °.
7. A battery coating device according to claim 6, characterized in that the slurry diverting channel (42) and the slurry diverting groove (2) are arranged in parallel.
8. A battery coating device according to any one of claims 1-4, 6, 7, characterized in that the coating die (1) comprises an upper die (12) and a lower die (13), a slurry coating channel (14) through which slurry flows being formed between the upper die (12) and the lower die (13);
the upper die head (12) and the lower die head (13) are arranged on the same side face in a protruding mode to form the coating lip (11), and the slurry diversion groove (2) is arranged on the lower die head (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321735609.4U CN220295080U (en) | 2023-07-03 | 2023-07-03 | Battery coating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321735609.4U CN220295080U (en) | 2023-07-03 | 2023-07-03 | Battery coating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220295080U true CN220295080U (en) | 2024-01-05 |
Family
ID=89351973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321735609.4U Active CN220295080U (en) | 2023-07-03 | 2023-07-03 | Battery coating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220295080U (en) |
-
2023
- 2023-07-03 CN CN202321735609.4U patent/CN220295080U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |