CN209935144U - Coating device for lithium battery - Google Patents
Coating device for lithium battery Download PDFInfo
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- CN209935144U CN209935144U CN201920210294.9U CN201920210294U CN209935144U CN 209935144 U CN209935144 U CN 209935144U CN 201920210294 U CN201920210294 U CN 201920210294U CN 209935144 U CN209935144 U CN 209935144U
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- air
- coating
- air outlet
- pipe
- lithium battery
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Abstract
The utility model discloses a coating device for a lithium battery, which comprises a coating device and a conveying device; the coating device comprises a frame, and a coating roller is arranged on the frame; the conveying device comprises a plurality of conveying rollers, a conveying belt and an air pipe positioned between the conveying rollers; one end of the air pipe is connected with the compressor, and the other end of the air pipe is an outlet; the air pipe is positioned below the conveyor belt and is vertical to the running direction of the conveyor belt; follow set up a plurality of air outlets on the tuber pipe axial direction, each be provided with an solenoid valve on the air outlet, follow contained angle A between spun air current and the conveyer belt in the air outlet satisfies following condition: a is more than or equal to 45 degrees and less than or equal to 90 degrees. The utility model is provided with a plurality of air pipes along the movement direction of the coating component, which applies a force in the antigravity direction to the coating pole piece drooping due to gravity, and the force application mode is soft; and simultaneously, the stress of the coating on the surface of the coated pole piece is uniformly distributed, the coating on the surface of the pole piece is more uniform, and the surface tension is more stable.
Description
Technical Field
The utility model relates to a lithium cell technical field, device when in particular to lithium cell coating can effectually avoid the uneven condition of coating surface tension.
Background
With the development of scientific technology, the lithium battery has become the mainstream at present, the preparation of the lithium battery is more and more emphasized, the pole piece slurry coating technology and equipment of the lithium battery are one of the keys of the development and production of the lithium battery, no matter film coating or other coating products, most of the pole pieces are continuously coated on a sheet, the pole pieces of the lithium battery are coated in sections, the length of each section of pole piece required by the production of lithium batteries with different models is also different, if continuous coating is adopted, the pole pieces are cut in a fixed length manner to produce the pole pieces, the slurry coating needs to be scraped at one end of each section of pole piece when the battery is assembled, and a metal foil is exposed.
In the prior art, the production of the lithium battery is generally carried out by single-side coating, the other side of the lithium battery is coated after drying, and in the single-side drying process, surface cracks are caused due to unstable tension of the coated surface, so that the service performance of a pole piece is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a coating unit for lithium cell can solve one or more among the above-mentioned technical problem.
In order to achieve the above object, the present invention provides the following technical solutions:
the coating device for the lithium battery comprises a coating device and a conveying device; the coating device comprises a frame, and a coating roller is arranged on the frame; the conveying device comprises a plurality of conveying rollers, a conveying belt and an air pipe positioned between the conveying rollers; one end of the air pipe is connected with the compressor, and the other end of the air pipe is an outlet; the air pipe is positioned below the conveyor belt and is vertical to the running direction of the conveyor belt; follow set up a plurality of air outlets on the tuber pipe axial direction, each be provided with an solenoid valve on the air outlet, follow contained angle A between spun air current and the conveyer belt in the air outlet satisfies following condition: a is more than or equal to 45 degrees and less than or equal to 90 degrees.
Preferably: the air pipe is arched.
Preferably: the air pipe is a straight pipe.
Preferably: the air outlet is provided with three rows of air outlets, namely a first row of air outlet, a second row of air outlet and a third row of air outlet; the air flow sprayed out of the second air outlet is 90 degrees vertical to the conveyor belt, the included angle between the air flow sprayed out of the first air outlet and the air flow sprayed out of the second air outlet is 45 degrees, and the first air outlet and the third air outlet are symmetrical relative to the second air outlet.
Preferably: the tuber pipe is installed on the crane, the crane includes the support and is located the lifting unit of support below.
Preferably: the lifting assembly comprises a slide way assembly, a gear rack assembly, a motor and a base, the slide way assembly comprises a slide rail and a slide block, the slide block is installed on the support, the slide rail is installed on the base, the rack is installed on the support, the gear is meshed with the gear, the gear is installed on a motor spindle, and the motor is installed on the base.
The technical effects of the utility model are that:
the utility model is provided with a plurality of air pipes along the movement direction of the coating component, which applies a force in the antigravity direction to the coating pole piece drooping due to gravity, and the force application mode is soft; and let the coating stress distribution on coating pole piece surface even simultaneously, guarantee transporting the in-process of coating pole piece, can not be because gravity or the coating flows the surface crack that uneven leads to, guarantee that the coating pole piece is before getting into the stoving case, the coating on pole piece surface is more even, lets surface tension more stable.
Drawings
The accompanying drawings, which form a part of the present application, 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 and not to limit the invention.
In the drawings:
fig. 1 is a schematic structural view of the present invention (the wind pipe is arched);
FIG. 2 is a schematic view of the three exhaust ducts of FIG. 1;
FIG. 3 is a schematic structural view of an air duct lifting assembly of FIG. 2 (the air duct is a straight duct);
wherein the figures include the following reference numerals:
the coating machine comprises a frame 1, a coating roller 11, a conveying roller 12, an air pipe 13, an air outlet 131, an electromagnetic valve 132, a rack 133, a sliding block 134, a gear 135 and a base 136.
Detailed Description
The invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and the description are only intended to explain the invention, but not to limit the invention in a proper manner.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The coating device for the lithium battery comprises a coating device and a conveying device; the coating device comprises a frame, and a coating roller is arranged on the frame; the conveying device comprises a plurality of conveying rollers, a conveying belt and an air pipe positioned between the conveying rollers; one end of the air pipe is connected with the compressor, and the other end of the air pipe is an outlet; the air pipe is positioned below the conveyor belt and is vertical to the running direction of the conveyor belt; follow set up a plurality of air outlets on the tuber pipe axial direction, each be provided with an solenoid valve on the air outlet, follow contained angle A between spun air current and the conveyer belt in the air outlet satisfies following condition: a is more than or equal to 45 degrees and less than or equal to 90 degrees.
The pole piece to be coated on the conveyor belt can sag due to gravity, and the sagging place can enable the coated sizing material to flow to a low-lying position, so that the sizing material on the surface of the whole pole piece is uneven, the surface tension is unstable, and the surface is cracked; through the action of upwards supporting by wind power in the antigravity direction, the sizing material is continuously shaken uniformly in the moving process to ensure the stability of the surface tension of the sizing material, and the coating stability of the pole piece is improved. The air pipe is provided with a plurality of air outlets, and each air outlet can adjust the air output according to the sizing material and the gravity condition, so that the shape of the air pipe can be a straight pipe, an arched pipe or an upwards bent folded pipe or a pipe with other shapes. The arched pipe is more convenient to adjust, is more beneficial to controlling the air output and reduces the adjusting difficulty.
In addition, the position of the air outlet and the angle of the pole piece are not limited, and the air outlet can be arranged in parallel in multiple rows or in a staggered manner, and the air outlet is set according to actual use requirements.
The air outlet is arranged in a manner that: the air outlet is provided with three rows of air outlets, namely a first row of air outlet, a second row of air outlet and a third row of air outlet; the air flow sprayed out of the second air outlet is 90 degrees vertical to the conveyor belt, the included angle between the air flow sprayed out of the first air outlet and the air flow sprayed out of the second air outlet is 45 degrees, and the first air outlet and the third air outlet are symmetrical relative to the second air outlet.
The arrangement mode realizes that one air pipe can support the area of an angle of 90 degrees; the wide supporting area can be effectively realized; the supporting area can be more uniform through the staggered arrangement, the antigravity is effectively realized, and the uniform shaking of the sizing material on the surface of the pole piece is more stable.
Preferably: the tuber pipe is installed on the crane, the crane includes the support and is located the lifting unit of support below. Preferably: the lifting assembly comprises a slide way assembly, a gear rack assembly, a motor and a base, the slide way assembly comprises a slide rail and a slide block, the slide block is installed on the support, the slide rail is installed on the base, the rack is installed on the support, the gear is meshed with the gear, the gear is installed on a motor spindle, and the motor is installed on the base.
Through setting up above tuber pipe lifting unit, can realize the regulation to wind-force size, adjust wind-force size jointly through the size that this lifting unit and solenoid valve opened, further ensure the dispersion even.
In addition, the lifting component is used for lifting the rack, and can be replaced by a pneumatic rod, a hydraulic rod or a screw rod component, which is not limited herein.
But generally the adjustment of the rack and pinion assembly and the lead screw assembly is more accurate and reliable and is the preferred configuration.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. Coating unit for lithium cell, its characterized in that: comprises a coating device and a conveying device; the coating device comprises a frame, and a coating roller is arranged on the frame; the conveying device comprises a plurality of conveying rollers, a conveying belt and an air pipe positioned between the conveying rollers; one end of the air pipe is connected with the compressor, and the other end of the air pipe is an outlet; the air pipe is positioned below the conveyor belt and is vertical to the running direction of the conveyor belt; follow set up a plurality of air outlets on the tuber pipe axial direction, each be provided with an solenoid valve on the air outlet, follow contained angle A between spun air current and the conveyer belt in the air outlet satisfies following condition: a is more than or equal to 45 degrees and less than or equal to 90 degrees.
2. The coating apparatus for a lithium battery as claimed in claim 1, wherein: the air pipe is arched.
3. The coating apparatus for a lithium battery as claimed in claim 1, wherein: the air pipe is a straight pipe.
4. The coating apparatus for a lithium battery as claimed in claim 1, wherein: the air outlet is provided with three rows of air outlets, namely a first row of air outlet, a second row of air outlet and a third row of air outlet; the air flow sprayed out of the second air outlet is 90 degrees vertical to the conveyor belt, the included angle between the air flow sprayed out of the first air outlet and the air flow sprayed out of the second air outlet is 45 degrees, and the first air outlet and the third air outlet are symmetrical relative to the second air outlet.
5. The coating apparatus for a lithium battery as claimed in claim 1, wherein: the tuber pipe is installed on the crane, the crane includes the support and is located the lifting unit of support below.
6. The coating apparatus for a lithium battery as claimed in claim 5, wherein: the lifting assembly comprises a slide way assembly, a gear rack assembly, a motor and a base, the slide way assembly comprises a slide rail and a slide block, the slide block is installed on the support, the slide rail is installed on the base, the rack is installed on the support, the gear is meshed with the gear, the gear is installed on a motor spindle, and the motor is installed on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920210294.9U CN209935144U (en) | 2019-02-18 | 2019-02-18 | Coating device for lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920210294.9U CN209935144U (en) | 2019-02-18 | 2019-02-18 | Coating device for lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209935144U true CN209935144U (en) | 2020-01-14 |
Family
ID=69122464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920210294.9U Expired - Fee Related CN209935144U (en) | 2019-02-18 | 2019-02-18 | Coating device for lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209935144U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116871143A (en) * | 2023-07-06 | 2023-10-13 | 浙江御辰东智能科技有限公司 | Compact type baking oven |
-
2019
- 2019-02-18 CN CN201920210294.9U patent/CN209935144U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116871143A (en) * | 2023-07-06 | 2023-10-13 | 浙江御辰东智能科技有限公司 | Compact type baking oven |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 Termination date: 20220218 |