CN216826958U

CN216826958U - Single-side extrusion negative electrode coating machine for lithium battery production

Info

Publication number: CN216826958U
Application number: CN202123206096.1U
Authority: CN
Inventors: 宋辉
Original assignee: Mianyang Liyuan New Energy Co ltd
Current assignee: Mianyang Liyuan New Energy Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-06-28
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses a lithium cell production is with single face extrusion negative pole coating machine relates to lithium cell production technical field. Including the workstation, it places structure, coating structure, stoving structure and rolling structure to have set gradually on the workstation, and coating structure is provided with N type platform including the connecting block that the symmetry set up on the workstation on the connecting block, N type platform one end evenly is provided with a plurality of connecting pipes. The utility model discloses a setting of coating structure, the discharging pipe is access to from the thick liquids case to thick liquids, and spout to the pole piece from a plurality of shower nozzles, the pole piece moves along with the conveyer belt, electric putter underdraught drives first connecting plate and brush hair and brushes evenly to thick liquids, first motor starts, the screw rod rotates and drives the sleeve pipe, second connecting plate and scraper blade downstream, make the scraper blade further scrape evenly to thick liquids, thereby the coating that thick liquids can be even is on the pole piece, be difficult for causing the influence to the electrode performance, better improvement the production efficiency of this coating machine.

Description

Single-side extrusion negative electrode coating machine for lithium battery production

Technical Field

The utility model relates to a lithium cell production technical field specifically is lithium cell production is with single face extrusion negative pole coating machine.

Background

The lithium ion battery has the advantages of high voltage, long service life, high energy density, no pollution and the like, is more and more widely applied to the production and the life of people, and the development of the active power battery puts forward a new requirement on the production of the lithium ion battery. An important link in the production process of the lithium battery is that the anode slurry is coated on an aluminum foil, the cathode slurry is coated on a copper foil, and the coating is a key process for producing a battery pole piece.

Present lithium cell production is with extrusion negative pole coating makes the coating roll be infected with the thick liquids and coat to the pole piece at rotatory in-process usually, but the thick liquids that are infected with on the coating roll distribute inhomogeneous usually, thereby lead to the inhomogeneous influence to causing the influence to the electrode performance of coating of pole piece, for this reason the utility model provides a neotype solution.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell production is with single face extrusion negative pole coating machine to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: lithium cell production is with single face extrusion negative pole coating machine, comprises a workbench, it places the structure to have set gradually on the workstation, the coating structure, drying structure and rolling structure, the coating structure sets up the connecting block on the workstation including the symmetry, be provided with N type platform on the connecting block, N type platform one end evenly is provided with a plurality of connecting pipes, the connecting pipe bottom is connected with the discharging pipe, the discharging pipe bottom evenly is provided with a plurality of shower nozzles, connecting pipe bilateral symmetry is provided with electric putter, the electric putter bottom is provided with first connecting plate, first connecting plate bottom is provided with the brush hair, electric putter one side is provided with the screw rod, screw rod bilateral symmetry is provided with the dead lever, screw rod and dead lever top are provided with the second connecting plate, be provided with sleeve pipe and screw rod and dead lever looks adaptation on the second connecting plate, second connecting plate bottom is provided with the scraper blade.

Preferably, the placing structure comprises fixing blocks symmetrically arranged on the workbench, mounting rods are mounted on the fixing blocks, and the mounting rods are sleeved with the placing rollers.

Preferably, a conveyor belt is arranged between the connecting blocks, the two ends of each connecting block are symmetrically provided with a fixing plate, and the top end of each fixing plate is downwards provided with a roller.

Preferably, the drying structure comprises a drying box arranged on one side of the connecting block, fixed blocks are symmetrically arranged on one side of the drying box, an installation rod is installed on each fixed block, and a guide roller is sleeved on each installation rod.

Preferably, the winding structure includes that the symmetry sets up the fixed block on the workstation, also installs the installation pole on the fixed block, and the cover is equipped with the collection roller on the installation pole, collects the roller and goes up both ends symmetry and be provided with two ring pieces, and installation pole one end is connected with the second motor.

Preferably, a plurality of slurry boxes corresponding to the connecting pipes are arranged at the upper end of the N-shaped table, a first motor is arranged at the top end of the screw rod, and the first motor is fixed with the N-shaped table.

Compared with the prior art, the beneficial effects of the utility model are that:

lithium cell production is with single face extrusion negative pole coating machine, setting through the coating structure, thick liquids accesss to the discharging pipe through the connecting pipe from the thick liquids case, and spout to the pole piece from a plurality of shower nozzles, the pole piece moves along with the conveyer belt, electric putter downwardly stretching drives first connecting plate and brush hair and brushes evenly to thick liquids, first motor starts, the screw rod rotates and drives the sleeve pipe, second connecting plate and scraper blade downstream, make the scraper blade further scrape evenly to thick liquids, thereby the coating that the thick liquids can be even is on the pole piece, be difficult for causing the influence to the electrode properties, better improvement the production efficiency of this coating machine.

Lithium cell production is with single face extrusion negative pole coating machine, through the setting of fixed plate and gyro wheel, the gyro wheel is pressed on placing the pole piece on the conveyer belt, has played limiting displacement to the pole piece for the pole piece is at the removal and the difficult shift position of coating in-process, better improvement coating efficiency.

Drawings

Fig. 1 is a schematic view of a first three-dimensional structure of the present invention;

fig. 2 is a schematic view of a second three-dimensional structure of the present invention;

fig. 3 is a schematic view of a first three-dimensional structure of the coating structure of the present invention;

fig. 4 is a second three-dimensional structure diagram of the coating structure of the present invention.

In the figure: 1. a work table; 2. connecting blocks; 201. an N-type stage; 202. a fixing plate; 3. a connecting pipe; 301. a discharge pipe; 302. a spray head; 4. an electric push rod; 401. a first connecting plate; 5. A screw; 501. fixing the rod; 502. a sleeve; 503. a second connecting plate; 504. a squeegee; 6. A fixed block; 601. mounting a rod; 602. placing a roller; 603. a guide roller; 604. a collection roller; 7. and (5) a drying box.

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 efforts all belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1-4, the utility model provides a technical solution: the single-side extrusion negative pole coating machine for producing the lithium battery comprises a workbench 1, supporting columns are arranged at four corners of the bottom end of the workbench 1, round tables are arranged at the bottom ends of the supporting columns and enable the supporting columns to be more stable, a placing structure, a coating structure, a drying structure and a rolling structure are sequentially arranged on the workbench 1, the coating structure comprises connecting blocks 2 symmetrically arranged on the workbench 1, a conveying belt is arranged between the connecting blocks 2, fixing plates 202 are symmetrically arranged at two ends of the connecting blocks 2, rollers are downwards arranged at the top ends of the fixing plates 202 and are in sliding connection with the fixing plates 202, an N-type table 201 is arranged on the connecting blocks 2, the N-type table 201 is fixed with the connecting blocks 2, a plurality of connecting pipes 3 are uniformly arranged at one end of the N-type table 201, a discharging pipe 301 is connected to the bottom ends of the connecting pipes 3, a plurality of spraying nozzles 302 are uniformly arranged at the bottom ends of the discharging pipes 301, and the spraying nozzles 302 and the connecting pipes 3 enable slurry to be more uniformly coated, electric push rods 4 are symmetrically arranged on one side of the connecting pipe 3, the electric push rods 4 are fixed with the bottom end of the N-shaped table 201, a first connecting plate 401 is arranged at the bottom end of the electric push rods 4, the first connecting plate 401 is fixed with the electric push rods 4, bristles are arranged at the bottom end of the first connecting plate 401 and are convenient for uniformly brushing slurry sprayed by the spray head 302, a screw 5 is arranged on one side of the electric push rods 4, the screw 5 is in sliding connection with the N-shaped table 201, fixing rods 501 are symmetrically arranged on two sides of the screw 5, the fixing rods 501 are fixed with the N-shaped table 201, second connecting plates 503 are arranged at the top ends of the screw 5 and the fixing rods 501, a plurality of slurry tanks corresponding to the connecting pipe 3 are arranged at the upper end of the N-shaped table 201, a first motor is arranged at the top end of the screw 5, the first motor is fixed with the N-shaped table 201, a sleeve 502 matched with the screw 5 and the fixing rods 501 is arranged on the second connecting plates 503, and the sleeve 502 is fixed with the second connecting plates 503, the sleeve 502 is connected with the screw rod 5 in a threaded manner, the inner wall of the sleeve 502 is provided with a thread groove matched with the external thread of the screw rod 5, the sleeve 502 is connected with the fixing rod 501 in a sliding manner, the fixing rod 501 and the sleeve 502 limit the second connecting plate 503, the bottom end of the second connecting plate 503 is provided with the scraper 504, and the scraper 504 is convenient for scraping uniform slurry.

As a specific embodiment, place the structure and set up fixed block 6 on workstation 1 including the symmetry, fixed block 6 is fixed with workstation 1, install installation pole 601 on fixed block 6, set up the groove with installation pole 601 looks adaptation on the fixed block 6, the cover is equipped with places roller 602 on the installation pole 601, stoving structure is including setting up the stoving case 7 in connecting block 2 one side, stoving case 7 one side symmetry is provided with fixed block 6, install installation pole 601 on the fixed block 6, the cover is equipped with guide roll 603 on the installation pole 601, guide roll 603 is convenient for carry the pole piece.

As a specific embodiment, the rolling structure comprises a fixing block 6 symmetrically arranged on the workbench 1, an installation rod 601 is also arranged on the fixing block 6, a collection roller 604 is sleeved on the installation rod 601, two circular ring blocks are symmetrically arranged at two ends of the collection roller 604, thread grooves matched with external threads arranged at two ends of the installation rod 601 are formed in the inner wall of each circular ring block, and one end of the installation rod 601 is connected with a second motor.

Particularly, when the coating machine is used, firstly, the pole piece is arranged on the placing roller 602, the pole piece is arranged between the conveyor belt and the roller, the conveyor belt is started, the pole piece moves towards the drying box 7 under the movement of the conveyor belt and the roller, meanwhile, the slurry flows into the discharge pipe 301 from the connecting pipe 3 respectively, then the slurry is sprayed onto the pole piece from the spray head 302, meanwhile, the electric push rod 4 stretches to drive the first connecting plate 401 and the bristles to descend to a certain height so that the bristles brush the slurry evenly, at the moment, the first motor is started, the first motor drives the screw rod 5 to rotate, the second connecting plate 503 moves downwards under the rotation of the screw rod 5 and the limiting action of the fixing rod 501, the second connecting plate 503 drives the scraper 504 to move downwards, so that the scraper 504 moves to a proper even position to stop, the scraper 504 scrapes the slurry for the next time, and meanwhile, the height of the scraper 504 is easy to adjust, be convenient for control the thick liquids thickness of coating on the pole piece, can scrape away the thick liquids that surpass thickness for the thick liquids thickness of coating meets the requirements more, and the pole piece is dried in removing stoving case 7 through the conveyer belt, removes the guide roll 603 after that, and at last to collecting roller 604 and carry out the rolling, and at this moment, the second motor drives installation pole 601 and rotates, realizes the rolling to the pole piece. It should be noted that the above drying box 7 is prior art, so the working principle thereof is not explained much here. Through the setting of coating structure, thick liquids lead to discharging pipe 301 from the thick liquids case through connecting pipe 3, and spout to the pole piece from a plurality of shower nozzles 302, the pole piece moves along with the conveyer belt, 4 down-draw of electric putter drives first connecting plate 401 and brush hair and brush evenly to thick liquids, first motor starts, screw rod 5 rotates and drives sleeve pipe 502, second connecting plate 503 and scraper blade 504 downstream, make scraper blade 504 further scrape evenly to thick liquids, thereby the coating that thick liquids can be even is on the pole piece, be difficult for causing the influence to the electrode performance, better improvement the production efficiency of this coating machine.

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

1. Lithium cell production is with single face extrusion negative pole coating machine, including workstation (1), its characterized in that: the coating structure comprises connecting blocks (2) symmetrically arranged on the workbench (1), an N-type table (201) is arranged on the connecting blocks (2), a plurality of connecting pipes (3) are uniformly arranged at one end of the N-type table (201), a discharging pipe (301) is connected to the bottom end of each connecting pipe (3), a plurality of spray heads (302) are uniformly arranged at the bottom end of each discharging pipe (301), electric push rods (4) are symmetrically arranged on one sides of the connecting pipes (3), a first connecting plate (401) is arranged at the bottom end of each electric push rod (4), bristles are arranged at the bottom end of each first connecting plate (401), screw rods (5) are arranged on one sides of the electric push rods (4), fixing rods (501) are symmetrically arranged on two sides of each screw rod (5), and second connecting plates (503) are arranged at the tops of the screw rods (5) and the fixing rods (501), the second connecting plate (503) is provided with a sleeve (502) matched with the screw rod (5) and the fixing rod (501), and the bottom end of the second connecting plate (503) is provided with a scraper (504).

2. The single-sided extrusion negative electrode coating machine for lithium battery production as recited in claim 1, characterized in that: the placing structure comprises fixing blocks (6) symmetrically arranged on the workbench (1), mounting rods (601) are mounted on the fixing blocks (6), and placing rollers (602) are sleeved on the mounting rods (601).

3. The single-sided extrusion negative electrode coating machine for lithium battery production as recited in claim 1, characterized in that: the conveying belt is arranged between the connecting blocks (2), the two ends of each connecting block (2) are symmetrically provided with fixing plates (202), and the top ends of the fixing plates (202) are downwards provided with rollers.

4. The single-sided extrusion negative electrode coating machine for lithium battery production as recited in claim 1, characterized in that: the drying structure comprises a drying box (7) arranged on one side of a connecting block (2), wherein fixed blocks (6) are symmetrically arranged on one side of the drying box (7), an installation rod (601) is installed on each fixed block (6), and a guide roller (603) is sleeved on each installation rod (601).

5. The single-sided extrusion negative electrode coating machine for lithium battery production as recited in claim 4, characterized in that: the winding structure comprises a fixed block (6) symmetrically arranged on the workbench (1), an installation rod (601) is also arranged on the fixed block (6), a collection roller (604) is sleeved on the installation rod (601), two circular ring blocks are symmetrically arranged at two ends of the collection roller (604), and one end of the installation rod (601) is connected with a second motor.

6. The single-sided extrusion negative electrode coating machine for lithium battery production as recited in claim 1, characterized in that: a plurality of slurry boxes corresponding to the connecting pipes (3) are arranged at the upper end of the N-shaped table (201), a first motor is arranged at the top end of the screw rod (5), and the first motor is fixed with the N-shaped table (201).