CN210846892U - Electrode slurry coating device for lithium battery production - Google Patents

Electrode slurry coating device for lithium battery production Download PDF

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Publication number
CN210846892U
CN210846892U CN201921787664.1U CN201921787664U CN210846892U CN 210846892 U CN210846892 U CN 210846892U CN 201921787664 U CN201921787664 U CN 201921787664U CN 210846892 U CN210846892 U CN 210846892U
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outer tube
pipe
tube
hollow block
box
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CN201921787664.1U
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王希明
艾俊杰
彭丽娟
陈婷
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Weirui New Energy Co ltd
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Weirui New Energy Co ltd
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Abstract

The utility model discloses an electrode slurry coating unit for lithium cell production, including box, output shaft and motor, the internally mounted of box has the guide roller, the internally mounted of box has 2 groups transmission bands of symmetric distribution, be provided with first outer tube between the transmission band, and the bottom and the top of first outer tube install first hollow block and the hollow block of second respectively to install the second outer tube on the first outer tube, and the inside at first outer tube is installed to first inner tube, the internally mounted of second outer tube has the second inner tube, and the outer end of second outer tube installs the third outer tube, and the internally mounted of third outer tube has the third inner tube, and the end department and the inlet pipe of third outer tube are linked together simultaneously. This electrode slurry coating device for lithium cell production through adopting two spraying mechanism used in turn's mode, great improvement thick liquids spraying efficiency, and make things convenient for the thick liquids to solidify the shaping fast on the film surface, design more reasonable, it is more convenient to use.

Description

Electrode slurry coating device for lithium battery production
Technical Field
The utility model relates to a lithium cell production technical field specifically is an electrode slurry coating unit is used in lithium cell production.
Background
The lithium battery is a commonly used battery type, and according to different use requirements, the external shape and internal performance parameters are different, and in the production process of the lithium battery, electrode slurry coating operation needs to be carried out on a thin film material in the lithium battery, so that a corresponding coating device needs to be used, but the existing coating device has the following defects in actual use:
1. most of the existing coating structures carry out film spraying through a single spraying structure, the rotating speed of a guide roller needs to be correspondingly reduced, the efficiency is low, the spraying is uneven, and the subsequent processing and forming quality of the lithium battery are not facilitated;
2. after the existing coating device coats the film, the slurry on the surface of the film is easy to be uneven in thickness and slow to dry, and the corresponding rapid forming structure and function are lacked.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an electrode slurry coating device for lithium battery production to solve the problem that the prior coating structure is provided in the background technology, most of the prior coating structures carry out film spraying through a single spraying structure, the rotating speed of a guide roller needs to be adjusted to be low correspondingly, the efficiency is low, the spraying is uneven, and the subsequent processing and the forming quality of the lithium battery are not facilitated; after the existing coating device coats the film, the slurry on the surface of the film is easy to be uneven in thickness and slow to dry, and the problem of lack of corresponding rapid forming structure and function is solved.
In order to achieve the above object, the utility model provides a following technical scheme: an electrode slurry coating device for lithium battery production comprises a box body, an output shaft and a motor, wherein a guide roller is arranged in the box body, the surface of the guide roller is attached to a film, the film is distributed in the box body in a rectangular shape, 2 groups of transmission belts are symmetrically distributed in the box body, the transmission belts are arranged on the belt pulley, the belt pulley is connected with the motor through an output shaft, a first outer pipe is arranged between the transmission belts, a first hollow block and a second hollow block are respectively arranged at the bottom end and the top end of the first outer pipe, and the first outer pipe is provided with a second outer pipe, and the first inner pipe is arranged inside the first outer pipe, a second inner pipe is arranged in the second outer pipe, a third outer pipe is arranged at the outer end of the second outer pipe, and a third inner pipe is arranged in the third outer pipe, and the end of the third outer pipe is communicated with the feeding pipe.
Preferably, the first outer tube is provided with 2 altogether, and both ends all are connected with the second outer tube rotation to the middle part level of second outer tube runs through the transmission band.
Preferably, the discharge gate has been seted up to the bottom of first hollow block, and the balancing weight of symmetric distribution is installed to the outer wall of first hollow block.
Preferably, an air outlet is installed at the top end of the second hollow block, the air outlet is communicated with the first inner pipe through a vertical pipe, and the first inner pipe is installed inside the first outer pipe.
Preferably, two ends of the second outer pipe are respectively communicated with the third outer pipe and the cavity, two ends of the second inner pipe are respectively communicated with the third inner pipe and the first inner pipe, and the third inner pipe and the third outer pipe are made of hose materials.
Compared with the prior art, the beneficial effects of the utility model are that: according to the electrode slurry coating device for producing the lithium battery, the mode that the two spraying mechanisms are alternately used is adopted, the slurry spraying efficiency is greatly improved, the rapid solidification and forming of the slurry on the surface of the film are facilitated, the design is more reasonable, and the use is more convenient;
1. the first outer pipe, the first inner pipe and other structures are used, so that the first hollow block and the second hollow block are respectively contacted with the surfaces of the films before and after coating, and the aim of efficient coating is fulfilled;
2. the belt pulley drives the operation of transmission band, drives two sets of hollow block alternate movement, and the use of structures such as second inner tube and third inner tube can realize the normal conduction of thick liquids and air.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;
FIG. 3 is an enlarged cross-sectional view taken along line A of FIG. 1 according to the present invention;
fig. 4 is an enlarged cross-sectional view of the cross-section B of fig. 2 according to the present invention.
In the figure: 1. a box body; 2. a guide roller; 3. a film; 4. an output shaft; 5. a conveyor belt; 6. a belt pulley; 7. an electric motor; 8. a first outer tube; 9. a first hollow block; 91. a balancing weight; 92. a discharge port; 93. a cavity; 10. a second hollow block; 101. an air outlet; 102. a vertical tube; 103. a first inner tube; 11. a second outer tube; 12. a second inner tube; 13. a third outer tube; 14. a third inner tube; 15. and (4) feeding a pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an electrode slurry coating device for lithium battery production comprises a box body 1, a guide roller 2, a thin film 3, an output shaft 4, a transmission belt 5, a belt pulley 6, a motor 7, a first outer pipe 8, a first hollow block 9, a balancing weight 91, a discharge hole 92, a cavity 93, a second hollow block 10, an air outlet 101, a vertical pipe 102, a first inner pipe 103, a second outer pipe 11, a second inner pipe 12, a third outer pipe 13, a third inner pipe 14 and a feed pipe 15, wherein the guide roller 2 is installed inside the box body 1, the surface of the guide roller 2 is attached to the thin film 3, the thin film 3 is distributed inside the box body 1 in a rectangular shape, 2 groups of transmission belts 5 which are symmetrically distributed are installed inside the box body 1, the transmission belts 5 are installed on the belt pulley 6, the belt pulley 6 is connected with the motor 7 through the output shaft 4, the first outer pipe 8 is arranged between the transmission belts 5, the bottom end and the top end of the first outer pipe 8 are respectively provided with, and a second outer pipe 11 is installed on the first outer pipe 8, the first inner pipe 103 is installed inside the first outer pipe 8, a second inner pipe 12 is installed inside the second outer pipe 11, a third outer pipe 13 is installed at the outer end of the second outer pipe 11, a third inner pipe 14 is installed inside the third outer pipe 13, and meanwhile, the end of the third outer pipe 13 is communicated with the feeding pipe 15.
First outer tube 8 is provided with 2 altogether, and both ends all are connected with the rotation of second outer tube 11, and the middle part level of second outer tube 11 runs through transmission band 5, discharge gate 92 has been seted up to the bottom of first hollow block 9, and symmetric distribution's balancing weight 91 is installed to the outer wall of first hollow block 9, motor 7's operation can drive belt pulley 6 synchronous operation through output shaft 4, consequently, transmission band 5 on the belt pulley 6 can corresponding operation, transmission band 5 can corresponding operation this moment, consequently under the drive of second outer tube 11 in fig. 2, two first outer tubes 8 can synchronous cycle removal, under the action of gravity of balancing weight 91 in fig. 3, first hollow block 9 can be perpendicular down all the time.
The top end of the second hollow block 10 is provided with an air outlet 101, the air outlet 101 is communicated with a first inner pipe 103 through a vertical pipe 102, the first inner pipe 103 is arranged inside the first outer pipe 8, a worker can introduce the electrode slurry from the feeding pipe 15 into the third outer pipe 13 and enter the first outer pipe 8 through the second outer pipe 11 in fig. 4, and the slurry entering the cavity 93 can be sprayed onto the surface of the film 3 through the discharge hole 92 in fig. 3.
The two ends of the second outer pipe 11 are respectively communicated with the third outer pipe 13 and the cavity 93, the two ends of the second inner pipe 12 are respectively communicated with the third inner pipe 14 and the first inner pipe 103, the third inner pipe 14 and the third outer pipe 13 are made of hose materials, a worker can connect the third inner pipe 14 with an air supply device in advance, air flow enters the second inner pipe 12 and the first inner pipe 103 through the third inner pipe 14 and is sprayed out through the vertical pipe 102 and the air outlet 101, and therefore slurry is rapidly formed, and coating quality is improved.
The working principle is as follows: as shown in fig. 1, the film 3 is distributed in the box 1 in a rectangular shape, and two corners of the rectangular structure are respectively attached to the surfaces of two guide rollers 2, the operation of the motor 7 drives the pulley 6 to synchronously operate through the output shaft 4, so that the transmission belt 5 on the pulley 6 correspondingly operates, and at the same time, the transmission belt 5 correspondingly operates, so that the two first outer tubes 8 synchronously and circularly move under the driving of the second outer tube 11 in fig. 2, the first hollow block 9 is always vertically downward under the action of the gravity of the weight block 91 in fig. 3, a worker can introduce the electrode slurry from the feeding pipe 15 into the third outer tube 13 and enter the first outer tube 8 through the second outer tube 11 in fig. 4, the slurry entering the cavity 93 is sprayed onto the surface of the film 3 through the discharge port 92 in fig. 3, and after spraying, the film 3 with the slurry is driven by the guide rollers 2 to move to a position above the transmission belt 5, at this time, the second hollow block 10 on the other first outer tube 8 is located below the film 3 with the slurry, and the worker can connect the third inner tube 14 with the air supply device in advance, and the air flow enters the second inner tube 12 and the first inner tube 103 through the third inner tube 14 and is ejected through the vertical tube 102 and the air outlet 101, so that the slurry is rapidly molded, and the coating quality is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an electrode slurry coating unit for lithium cell production, includes box (1), output shaft (4) and motor (7), its characterized in that: the utility model discloses a plastic film packaging machine, including box (1), the internally mounted of box (1) has guide roller (2), and the surface and the film (3) of guide roller (2) laminate mutually to film (3) are the rectangle shape and distribute inside box (1), the internally mounted of box (1) has 2 groups transmission band (5) of symmetric distribution, and transmission band (5) install on belt pulley (6), and belt pulley (6) are connected through output shaft (4) and motor (7), be provided with first outer tube (8) between transmission band (5), and the bottom and the top of first outer tube (8) install first hollow block (9) and second hollow block (10) respectively to install second outer tube (11) on first outer tube (8) to first inner tube (103) is installed in the inside of first outer tube (8), the internally mounted of second outer tube (11) has second inner tube (12), and the outer end of the second outer pipe (11) is provided with a third outer pipe (13), a third inner pipe (14) is arranged inside the third outer pipe (13), and the end of the third outer pipe (13) is communicated with the feeding pipe (15).
2. The electrode paste coating apparatus for lithium battery production as claimed in claim 1, wherein: first outer tube (8) are provided with 2 altogether, and both ends all rotate with second outer tube (11) and be connected to the middle part level of second outer tube (11) runs through transmission band (5).
3. The electrode paste coating apparatus for lithium battery production as claimed in claim 1, wherein: discharge gate (92) have been seted up to the bottom of first hollow block (9), and balancing weight (91) of symmetric distribution are installed to the outer wall of first hollow block (9).
4. The electrode paste coating apparatus for lithium battery production as claimed in claim 1, wherein: an air outlet (101) is installed at the top end of the second hollow block (10), the air outlet (101) is communicated with a first inner pipe (103) through a vertical pipe (102), and the first inner pipe (103) is installed inside a first outer pipe (8).
5. The electrode paste coating apparatus for lithium battery production as claimed in claim 3, wherein: the two ends of the second outer pipe (11) are respectively communicated with the third outer pipe (13) and the cavity (93), the two ends of the second inner pipe (12) are respectively communicated with the third inner pipe (14) and the first inner pipe (103), and the third inner pipe (14) and the third outer pipe (13) are made of hose materials.
CN201921787664.1U 2019-10-23 2019-10-23 Electrode slurry coating device for lithium battery production Active CN210846892U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921787664.1U CN210846892U (en) 2019-10-23 2019-10-23 Electrode slurry coating device for lithium battery production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921787664.1U CN210846892U (en) 2019-10-23 2019-10-23 Electrode slurry coating device for lithium battery production

Publications (1)

Publication Number Publication Date
CN210846892U true CN210846892U (en) 2020-06-26

Family

ID=71303380

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921787664.1U Active CN210846892U (en) 2019-10-23 2019-10-23 Electrode slurry coating device for lithium battery production

Country Status (1)

Country Link
CN (1) CN210846892U (en)

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