CN216025941U

CN216025941U - Powder coating machine for lithium ion battery negative plate

Info

Publication number: CN216025941U
Application number: CN202122088127.1U
Authority: CN
Inventors: 孔善右; 张仕明; 陈磊; 陈航
Original assignee: Jiangsu Shibang Flexible Electronics Research Institute Co ltd
Current assignee: Jiangsu Shibang Flexible Electronics Research Institute Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-03-15
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a powder coating machine for lithium ion battery negative pole pieces, which comprises a conveyor belt, wherein racks are fixedly arranged on two sides of the conveyor belt, a first rotating shaft is movably arranged at the left end of each rack, the outer wall of the first rotating shaft is fixedly provided with a first roller, the first roller is attached to the conveyor belt, a limiting box is fixedly arranged at the top of the conveyor belt, the limiting boxes are longitudinally distributed at the top of the conveyor belt, supporting plates are symmetrically and fixedly arranged on the outer wall of each rack, a baking box is fixedly arranged at the top of each supporting plate, a first supporting column is fixedly arranged at the top of each supporting plate, a section of the rotating rod penetrates through the first supporting column, a brush is fixedly arranged on the outer wall of the rotating rod, the limiting box can be used for placing the negative pole pieces inside the limiting boxes, so that the negative pole pieces can be fixed, and the problem that the powder coating effect is poor due to the low position of the negative pole pieces in the powder coating process can be solved, the powder coating effect and the working efficiency are effectively improved.

Description

Powder coating machine for lithium ion battery negative plate

Technical Field

The utility model relates to the technical field of negative plate powder coating, in particular to a powder coating machine for a negative plate of a lithium ion battery.

Background

A lithium ion battery: is a secondary battery which mainly operates by movement of lithium ions between a positive electrode and a negative electrode. During charging and discharging, Li + is inserted and extracted back and forth between two electrodes: during charging, Li + is extracted from the positive electrode and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; during discharging, the opposite is true, most of the steel shell lithium ion battery negative plates are coated with graphite powder by two methods, one is a clearance type graphite powder coating method, and the graphite powder coating is carried out on the battery negative plates at intervals; in addition, the method of scraping the graphite powder after continuously coating the graphite powder scrapes off the part of the graphite powder to be removed, so that normal electric conduction is realized, and the powder coating machine is widely applied along with the development of times.

The existing powder coating machine still has the following defects in the using process:

1. the existing powder coating machine cannot effectively fix the negative pole piece in the using process, so that the negative pole piece can be displaced in the powder coating process, and the powder coating effect is poor;

2. the existing powder coating machine does not have a drying function, so that the air drying efficiency of the coated negative plate is low, and meanwhile, the working efficiency is greatly reduced because some existing machines need manual powder coating.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a powder coating machine for a lithium ion battery negative plate, which solves the problems that the negative plate cannot be effectively fixed in the using process of the conventional powder coating machine, so that the negative plate is displaced in the powder coating process, the powder coating effect is poor, meanwhile, the conventional powder coating machine does not have the drying function, so that the air drying efficiency of the coated negative plate is low, and meanwhile, the working efficiency is greatly reduced because a part of conventional machines are required to be manually coated with powder.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a lithium ion battery negative pole piece's powder coating machine, includes the conveyer belt, conveyer belt both sides fixed mounting has the frame, frame left end movable mounting has first pivot, first pivot outer wall fixed mounting has first cylinder, the installation of first cylinder outer wall laminating conveyer belt installation outer wall laminating conveyer belt, conveyer belt top fixed mounting has spacing box, spacing box longitudinal distribution is at the conveyer belt top, frame outer wall symmetry fixed mounting has the backup pad, backup pad top fixed mounting has toasts the case, backup pad top fixed mounting has first support post, be equipped with the bull stick between the first support post, one section first support post that runs through of bull stick, bull stick outer wall fixed mounting brush.

Preferably, the second support columns are symmetrically arranged at the tops of the support plates, the powder coating pipes are fixedly arranged between the second support columns, through holes are formed in the outer walls of the powder coating pipes, and the through holes penetrate through the outer walls of the powder coating pipes.

Preferably, the right end of the rack is provided with a fixing rod, the outer wall of the fixing rod is movably provided with a second roller, the outer wall of the second roller is attached to a conveyor belt, and one end of the fixing rod penetrates through the outer wall of the rack.

Preferably, backup pad outer wall fixed mounting has first mounting panel, first mounting panel top fixed mounting has second driving motor, second driving motor one end is equipped with the second pivot, second pivot one end extends to inside the first support column, second pivot one end and bull stick fixed connection.

Preferably, frame one side fixed mounting has the second mounting panel, second mounting panel top fixed mounting has first driving motor, first driving motor one side is equipped with first pivot, first pivot runs through the frame, and extends to the opposite side of frame.

(III) advantageous effects

The utility model provides a powder coating machine for a lithium ion battery negative plate. The method has the following beneficial effects:

(1) this powder coating machine, the in-process that uses of traditional powder coating machine can not effectually be fixed with the negative pole piece through setting up of spacing box, will lead to taking place the displacement at the in-process negative pole piece of powder coating like this, lead to the not good problem of powder coating effect, the setting up of spacing box can be placed the negative pole piece inside spacing box, just so can carry out a fixed to the negative pole piece, the negative pole piece that just so can not be leads to the not good problem of powder coating effect at the in-process that powder coated takes place the cheap of position, the effectual effect and the work efficiency of powder coating that have promoted.

(2) This powder coating machine, through the stoving case, second driving motor, the second pivot, the effectual traditional powder coating machine of having solved of setting up of bull stick and brush does not have the stoving function, the air-dry inefficiency of the negative pole piece after will leading to the coating like this, present some machines still need artifical manual coating like this very big reduction work efficiency's problem simultaneously, the setting of stoving case can toast the negative pole piece after the coating and be the powder on the negative pole piece can solidify fast, second driving motor provides power for the second pivot simultaneously, the second pivot drives the bull stick and turns to, the turning to of bull stick drives the brush and rotates, it is even that the brush can be brushed the powder on the negative pole piece, the effectual work efficiency that has promoted.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a top view of the present invention;

FIG. 3 is a schematic view of a rotating rod structure according to the present invention;

FIG. 4 is a schematic view of the powder coating structure of the present invention.

In the figure, 1-conveyor belt, 2-frame, 3-support plate, 4-first rotating shaft, 5-first roller, 6-baking box, 7-first support column, 8-brush, 9-second support column, 10-powder coating tube, 11-spacing box, 12-second roller, 13-fixed rod, 14-first mounting plate, 15-first driving motor, 16-second rotating shaft, 17-second mounting plate, 18-second driving motor, 19-rotating rod and 20-through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: a lithium ion battery negative pole piece powder coating machine comprises a conveyor belt 1, wherein a rack 2 is fixedly arranged on two sides of the conveyor belt 1, a first rotating shaft 4 is movably arranged at the left end of the rack 2, a first roller 5 is fixedly arranged on the outer wall of the first rotating shaft 4, the outer wall of the first roller 5 is attached to the conveyor belt 1, a limiting box 11 is fixedly arranged on the top of the conveyor belt 1, the limiting box 11 is longitudinally distributed on the top of the conveyor belt 1, a support plate 3 is symmetrically and fixedly arranged on the outer wall of the rack 2, a baking box 6 is fixedly arranged on the top of the support plate 3, a first support column 7 is fixedly arranged on the top of the support plate 3, a rotating rod 19 is arranged between the first support columns 7, one section of the rotating rod 19 penetrates through the first support column 7, a brush 8 is fixedly arranged on the outer wall of the rotating rod 19, and the limiting box 11 can effectively prevent negative pole pieces from displacing in the powder coating process to cause the problem of poor powder coating effect, the setting of baking oven 6 simultaneously can toast the negative pole piece of dusting for the solidification of the negative pole piece of dusting, the setting of brush 8 can be even with the powder brush on the negative pole piece.

Second support columns 9 are symmetrically installed at the tops of the support plates 3, powder coating pipes 10 are fixedly installed between the second support columns 9, through holes 20 are formed in the outer walls of the powder coating pipes 10, the through holes 20 penetrate through the outer walls of the powder coating pipes 10, the second support columns 9 are convenient to install the powder coating pipes 10, and meanwhile powder inside the powder coating pipes 10 can be conveniently leaked due to the arrangement of the through holes 20.

The right end of the rack 2 is provided with a fixing rod 13, the outer wall of the fixing rod 13 is movably provided with a second roller 12, the outer wall of the second roller 12 is attached to the conveying belt 1, one end of the fixing rod 13 penetrates through the outer wall of the rack 2, the fixing rod 13 is arranged to facilitate installation of the second roller 12, and meanwhile the second roller 12 is arranged to support the conveying belt 1.

3 outer wall fixed mounting of backup pad has

first mounting panel

14, 14 top fixed mounting of first mounting panel has

second driving motor

18, 18 one end of second driving motor is equipped with

second pivot

16, 16 one end of second pivot extends to inside

first support column

7, 16 one end of second pivot and bull stick 19 fixed connection, second driving motor 18 provide power for second pivot 16, and the rotation of second pivot 16 has driven the rotation of bull stick 19 simultaneously, and the rotation of bull stick 19 has driven the rotation of the brush 8 of outer wall installation.

2 one side fixed mounting of frame has second mounting panel 17, second mounting panel 17 top fixed mounting has first

driving motor

15, 15 one side of first driving motor is equipped with first pivot 4, first pivot 4 runs through frame 2, and extends to the opposite side of frame 2, and the installation of first driving motor 15 has been made things convenient for in setting up of second mounting panel 17, and first driving motor 15 provides a power for first pivot 4 simultaneously, and the rotation of first pivot 4 has driven the rotation of the first cylinder 5 of outer wall installation simultaneously, and the rotation of first cylinder 5 has driven the rotation of installing at the conveyer belt 1 of outer wall.

The working principle is as follows: when the device is used, the first driving motor 15 is started firstly, then the second driving motor 18 is started, the rotation of the first driving motor 15 drives the first rotating shaft 4 to rotate, the rotation of the first rotating shaft 4 drives the conveying belt 1 arranged on the outer wall to rotate, the rotation of the second driving motor 18 drives the rotation of the second rotating shaft 16, the rotation of the second rotating shaft 16 drives the rotating rod 19 with one end fixedly connected to the rotating rod 19 to rotate, the rotation of the rotating rod 19 drives the brush 8 arranged on the outer wall to rotate, when the negative pole piece is coated with powder, the negative pole piece is placed in the limiting box 11 to prevent the negative pole piece from displacing during powder coating to cause poor powder coating effect, when the limiting box 11 moves to the bottom of the powder coating tube 10, the powder flows out through the through hole 20 arranged on the outer wall of the powder coating tube 10 and falls on the surface of the negative plate, then, the powder on the surface of the negative plate is uniformly brushed through the hairbrush 8, and the working efficiency is effectively improved.

The utility model relates to a powder coating machine, which comprises a conveyor belt 1, a rack 2, a support plate 3, a first rotating shaft 4, a first roller 5, a baking box 6, a first support column 7, a brush 8, a second support column 9, a powder coating pipe 10, a limiting box 11, a second roller 12, a fixing rod 13, a first mounting plate 14, a first driving motor 15, a second rotating shaft 16, a second mounting plate 17, a second driving motor 18, a rotating rod 19 and a through hole 20, wherein the parts are all universal standard parts or parts known by technical personnel in the field, the structure and the principle of the parts can be known by the technical manual or conventional experimental methods, and the problem solved by the utility model is that the existing powder coating machine can not effectively fix a negative plate in the using process, the powder coating machine has the advantages that the negative pole piece can be displaced in the powder coating process, the powder coating effect is poor, meanwhile, the existing powder coating machine does not have a drying function, the air drying efficiency of the coated negative pole piece is low, meanwhile, a part of existing machines need manual powder coating, and the working efficiency is greatly reduced.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The powder coating machine for the lithium ion battery negative plate is characterized in that: comprises a conveyor belt (1), a frame (2) is fixedly arranged on two sides of the conveyor belt (1), a first rotating shaft (4) is movably arranged at the left end of the frame (2), a first roller (5) is fixedly arranged on the outer wall of the first rotating shaft (4), the outer wall of the first roller (5) is attached to the conveyor belt (1) and is provided with a limiting box (11) fixedly arranged at the top of the conveyor belt (1), the limiting boxes (11) are longitudinally distributed on the top of the conveyor belt (1), the outer wall of the rack (2) is symmetrically and fixedly provided with supporting plates (3), the top of the supporting plate (3) is fixedly provided with a baking box (6), the top of the supporting plate (3) is fixedly provided with a first supporting column (7), be equipped with bull stick (19) between first support column (7), bull stick (19) one section runs through first support column (7), bull stick (19) outer wall fixed mounting brush (8).

2. The powder coating machine for the lithium ion battery negative electrode sheet according to claim 1, characterized in that: second support columns (9) are symmetrically installed at the tops of the support plates (3), powder coating pipes (10) are fixedly installed between the second support columns (9), through holes (20) are formed in the outer walls of the powder coating pipes (10), and the through holes (20) penetrate through the outer walls of the powder coating pipes (10).

3. The powder coating machine for the lithium ion battery negative electrode sheet according to claim 1, characterized in that: the automatic conveying device is characterized in that a fixing rod (13) is arranged at the right end of the rack (2), a second roller (12) is movably mounted on the outer wall of the fixing rod (13), the outer wall of the second roller (12) is attached to the conveying belt (1) in an installing mode, and one end of the fixing rod (13) penetrates through the outer wall of the rack (2).

4. The powder coating machine for the lithium ion battery negative electrode sheet according to claim 1, characterized in that: backup pad (3) outer wall fixed mounting has first mounting panel (14), first mounting panel (14) top fixed mounting has second driving motor (18), second driving motor (18) one end is equipped with second pivot (16), second pivot (16) one end extends to inside first support column (7), second pivot (16) one end and bull stick (19) fixed connection.

5. The powder coating machine for the lithium ion battery negative electrode sheet according to claim 1, characterized in that: frame (2) one side fixed mounting has second mounting panel (17), second mounting panel (17) top fixed mounting has first driving motor (15), first driving motor (15) one side is equipped with first pivot (4), frame (2) is run through in first pivot (4), and extends to the opposite side of frame (2).