WO2018152745A1

WO2018152745A1 - Lithium battery negative electrode material stirring and mixing apparatus

Info

Publication number: WO2018152745A1
Application number: PCT/CN2017/074583
Authority: WO
Inventors: 王爽
Original assignee: 深圳市玖创科技有限公司
Priority date: 2017-02-23
Filing date: 2017-02-23
Publication date: 2018-08-30

Abstract

A lithium battery negative electrode material stirring and mixing apparatus, comprising a tank body (6), an upper cover (2), a material guiding device (17), a first mixing device (15), and a second mixing device (8). A first mixing cavity (16) is provided in the tank body (6), and the upper cover (2) is disposed at an opening on the top; a material guiding tray (5), the material guiding device (17), and the first mixing device (15) are disposed in the first mixing cavity (16); the material guiding device (17) is composed of a first motor (18), a material guiding rotation shaft (19), and a material guiding plate (20); the first mixing device (15) is composed of a second motor (26), a first mixing rotation shaft (27), stirring blades (24), and a stirring frame (23); two communicating pipes (7) are symmetrically provided on the bottom surface of the tank body (6); each communicating pipe (7) is provided with a baffle plate, and the other end of the communicating pipe (7) is communicated with the second mixing device (8); the second mixing device (8) is composed of a material mixing pipe (30), a third motor (29), a second mixing rotation shaft (28), a first spiral material mixing plate (32), and a second spiral material mixing plate (31).

Description

Lithium battery anode material mixing and mixing equipment

Technical field

The invention relates to an electrode material mixing device, in particular to a lithium battery anode material stirring mixing device.

Background technique

Lithium battery anode material requires a variety of powder materials for mixing treatment. When mixing two or more materials at present, in order to improve the mixing effect and make the mixing between materials more uniform, it is often necessary to mix by means of stirring equipment. The stirring equipment currently used mainly relies on the stirring blades in the mixing equipment to provide a single driving force to the materials, thereby achieving the purpose of mixing the materials, but the single driving mode, the mixing ability is limited, and the material mixing efficiency is limited. It is low, and the mixing is uneven, and the mixing speed is slow. Therefore, the material mixing operation requires more time and energy consumption, which greatly limits the improvement of material processing production efficiency and increases the production cost.

Summary of the invention

SUMMARY OF THE INVENTION An object of the present invention is to provide a lithium battery negative electrode material stirring and mixing device to solve the problems set forth in the above background art.

To achieve the above object, the present invention provides the following technical solutions:

A lithium battery anode material stirring and mixing device comprises a tank body, an upper cover, a guiding device, a first mixing device and a second mixing device; the tank body is arranged as a hollow cylinder, and the inside is arranged as a first mixing chamber, the top portion An upper cover is disposed at the opening; the upper cover is fixedly connected to the can body by mutual screwing of the bolt and the nut; the upper cover is provided with a feeding tube; the first mixing chamber is provided with a guiding plate and a guiding device And a first mixing device; the guiding tray is arranged in a funnel shape, is fixed on the inner wall of the tank, and the guiding tray is uniformly provided with a plurality of through holes; a guiding device is arranged above the guiding tray; the guiding device The first motor is composed of a first motor, a guide shaft and a guide plate; the first motor is connected to the guide shaft through the first reducer, and the first motor and the first reducer are fixed on the upper surface of the upper cover; Two guide plates are fixed at the bottom of the rotating shaft; the first mixing device is composed of a second motor, a first mixing shaft, a stirring plate and a stirring frame; and the second motor is connected to the first mixing shaft through a second speed reducer, And the second motor and the second reducer are solid a stirring plate and a scraping frame are fixed on the first mixing shaft; the stirring piece is provided on the first mixing rotating shaft with two layers, two layers are arranged on each layer, and two stirring pieces are arranged at The scraper frame is disposed in a rectangular shape; the bottom surface of the tank body is symmetrically disposed with two sets of communicating tubes; the connecting tube is provided with a baffle, and the other end of the communicating tube is in communication with the second mixing device; The second mixing device is composed of a mixing tube, a third motor, a second mixing shaft, a first spiral mixing plate and a second spiral mixing plate; the mixing tube is horizontally disposed, and the inside is set as a second mixing chamber; a second mixing shaft is disposed in the second mixing chamber; a first spiral mixing plate and a second spiral mixing plate are fixed on the second mixing shaft; and one end of the second mixing shaft is fixedly connected to the main shaft of the third motor; The third motor is fixed on the end surface of the mixing tube; the discharge tube is fixed in the middle of the mixing tube; the fixing plate is arranged on the side wall of the bottom surface of the tank; the fixing plate is connected to the bottom plate through the bracket; the bottom plate is set in a square shape, and Four corners of the bottom of the bottom plate Provided with casters.

As a further aspect of the invention, the feed tube is provided with four sets, all of which are disposed on the upper cover.

As a further aspect of the present invention, the stirring sheet forms an angle of 30 degrees with the vertical plane.

As a further aspect of the invention, the first spiral mixing plate and the second spiral mixing plate have opposite directions of rotation.

As a still further aspect of the present invention, the middle portion of the bottom plate is provided with a discharge pipe mounting hole.

Compared with the prior art, the beneficial effects of the present invention are:

The invention adopts the setting of the guiding device, uses the first motor to drive the rotating shaft of the guiding material to rotate, the guiding material rotating shaft drives the guiding plate to rotate, and uniformly distributes the raw materials falling on the guiding tray, so that the raw materials can smoothly pass through the guiding tray, and Premixing a plurality of raw materials, setting the guide tray to delay the falling speed of the raw materials, facilitating premixing of the guiding device, and improving the overall mixing speed; and using the second motor to drive the first through the setting of the first mixing device The mixing shaft rotates, the first mixing shaft drives the stirring piece and the scraping frame to rotate, and the raw material is stirred and mixed by the stirring piece, and the raw material adhered to the inner wall of the can is scraped off by the scraping frame, thereby improving the mixing quality of the raw material; The second mixing device is arranged to drive the second mixing shaft to rotate by using the third motor, and the second mixing shaft drives the first spiral mixing plate and the second spiral mixing plate to rotate, and the raw materials entering the mixing tube are twice Stirring and mixing, and facilitating the discharge of raw materials after mixing; through the setting of two sets of mixing devices, it is beneficial to thoroughly mix the raw materials, and is beneficial to improve Closing velocity; castors to facilitate use of the device to expand.

DRAWINGS

FIG. 1 is a schematic structural view of a lithium battery negative electrode material stirring and mixing device.

2 is a schematic structural view of a guiding device in a stirring and mixing device for a lithium battery anode material.

3 is a schematic structural view of a first mixing device in a lithium battery anode material stirring and mixing device.

4 is a schematic structural view of a second mixing device in a lithium battery negative electrode material mixing and mixing device.

In the picture: 1-feed tube, 2-upper cover, 3-nut, 4-bolt, 5-guide tray, 6-tank, 7-connector, 8-second mixing device, 9-caster, 10 - Discharge tube, 11-discharge tube mounting hole, 12-base plate, 13-bracket, 14-fixed plate, 15-first mixing device, 16-first mixing chamber, 17-guide device, 18-first Motor, 19-guide shaft, 20-guide plate, 22-first reducer, 23-scraping frame, 24-stirring plate, 25-second reducer, 26-second motor, 27-first mix Rotating shaft, 28-second mixing shaft, 29-third motor, 30-mixing tube, 31-second spiral mixing plate, 32-first spiral mixing plate, 33-second mixing chamber.

detailed description

The technical solutions of the present patent are further described in detail below in conjunction with specific embodiments.

Referring to FIG. 1-4, a lithium battery anode material stirring and mixing device includes a tank body 6, an upper cover 2, a guiding device 17, a first mixing device 15, and a second mixing device 8; the can body 6 is configured to a hollow cylinder having a first inner mixing chamber 16 and an upper cover 2 at the top opening; the upper cover 2 is fixedly connected to the can body 6 by mutual screwing of the bolt 4 and the nut 3; the upper cover 2 is provided with Feeding tube 1; the feeding tube 1 is provided with four sets, which are evenly distributed on the upper cover 2 for simultaneously adding a plurality of raw materials for quick mixing; the first mixing chamber 16 is provided with a guiding tray 5 , guiding device 17 and first mixing The guiding plate 5 is disposed in a funnel shape, is fixed on the inner wall of the can body 6, and the guiding plate 5 is uniformly provided with a plurality of through holes; the guiding device 5 is provided with a guiding device 17; The material device 17 is composed of a first motor 18, a guide shaft 19 and a guide plate 20; the first motor 18 is connected to the guide shaft 19 via a first speed reducer 21, and the first motor 18 and the first speed reducer 21 Fixed on the upper surface of the upper cover 2; two guide plates 20 are fixed on the bottom of the guide shaft 19; the first motor 18 drives the guide shaft 19 to rotate by the arrangement of the guiding device 17, and the guide shaft 19 drives the guide The material plate 20 rotates, and the raw materials falling on the guide tray 5 are evenly distributed, so that the raw materials can smoothly pass through the guide tray 5, and a plurality of raw materials are pre-mixed, and the guide tray 5 is arranged to delay the falling speed of the raw materials. The pre-mixing of the guiding device 17 is facilitated to improve the overall mixing speed; the first mixing device 15 is composed of a second electric motor 26, a first mixing shaft 27, a stirring piece 24 and a stirring frame 23; the second electric machine 26 Connected to the first hybrid rotating shaft 27 by the second speed reducer 25, and the second motor 26 and the second The speed reducer 25 is fixed to the bottom surface of the can body 6; the first mixing shaft 27 is fixed with a stirring piece 24 and a scraping frame 23; the stirring piece 24 is provided with two layers on the first mixing rotating shaft 27, and each layer is provided with Two pieces, and two pieces of stirring piece 24 are disposed on the same straight line; the stirring piece 24 is at an angle of 30 degrees with the vertical plane; the scraping frame 23 is arranged in a rectangular shape; by the arrangement of the first mixing device 15, the second is utilized The motor 26 drives the first mixing shaft 27 to rotate, the first mixing shaft 27 drives the stirring piece 24 and the scraping frame 23 to rotate, and the raw material is stirred and mixed by the stirring piece 24, and is adhered to the inner wall of the can body 6 by the scraping frame 23. The scraping of the raw material is beneficial to improve the mixing quality of the raw materials; the bottom of the tank body 6 is symmetrically disposed with two sets of communicating tubes 7; the communicating tube 7 is provided with a baffle, and the other end of the communicating tube 7 is in communication with the second mixing device 8; The second mixing device 8 is composed of a mixing tube 30, a third motor 29, a second mixing shaft 28, a first spiral mixing plate 32 and a second spiral mixing plate 31; the mixing tube 30 is horizontally disposed, internal Provided as a second mixing chamber 33; the second mixing chamber 33 is provided with a second mixing a rotating shaft 28; a first spiral mixing plate 32 and a second spiral mixing plate 31 are fixed on the second mixing rotating shaft 28; the first spiral mixing plate 32 and the second spiral mixing plate 31 have opposite directions of rotation One end of the second mixing shaft 28 is fixedly connected to the main shaft of the third motor 29; the third motor 29 is fixed on the end surface of the mixing tube 30; the discharge tube 10 is fixed in the middle of the mixing tube 30; and the second mixing device 8 is passed through The second motor 29 drives the second mixing shaft 28 to rotate, and the second mixing shaft 28 rotates the first spiral mixing plate 32 and the second spiral mixing plate 31 to perform the raw materials entering the mixing tube 30. Mixing twice, and facilitating the discharge of the raw materials after mixing; through the arrangement of the two sets of mixing devices, it is advantageous to thoroughly mix the raw materials, and is advantageous for increasing the mixing speed; the fixing plate 14 is disposed on the bottom wall of the bottom surface of the can body 6; The fixing plate 14 is connected to the bottom plate 12 through the bracket 13; the bottom plate 12 is arranged in a square shape, the discharge pipe mounting hole 11 is arranged in the middle portion, and the casters 9 are arranged at four corners of the bottom surface of the bottom plate 12; the casters 9 are convenient for expanding the device. Use range.

The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to the above embodiments, and can be made without departing from the gist of the patents within the scope of the knowledge of those skilled in the art. Various changes.

Claims

A lithium battery anode material stirring mixing device, comprising a tank body (6), an upper cover (2), a guiding device (17), a first mixing device (15) and a second mixing device (8); The can body (6) is arranged as a hollow cylinder, the inside is arranged as a first mixing chamber (16), and an upper cover (2) is arranged at the top opening; the upper cover (2) is passed through a bolt (4) and a nut ( 3) the mutual screwing is fixedly connected with the tank body (6); the upper cover (2) is provided with a feeding tube (1); the first mixing chamber (16) is provided with a guiding tray (5), a guide a feeding device (17) and a first mixing device (15); the guiding tray (5) is arranged in a funnel shape, is fixed on the inner wall of the can body (6), and the guiding plate (5) is uniformly distributed on the guiding plate (5) a guide device (17) is disposed above the guide tray (5); the guide device (17) is composed of a first motor (18), a guide shaft (19) and a guide plate (20); The first motor (18) is connected to the guide shaft (19) through the first speed reducer (21), and the first motor (18) and the first speed reducer (21) are fixed on the upper surface of the upper cover (2); Two guide plates (20) are fixed at the bottom of the guide shaft (19); the first mixing device (15) is composed of a second motor (26), first The rotating shaft (27), the stirring piece (24) and the stirring frame (23) are composed; the second motor (26) is connected to the first mixing rotating shaft (27) through the second speed reducer (25), and the second motor ( 26) and a second reducer (25) fixed to the bottom surface of the can body (6); the first mixing shaft (27) is fixed with a stirring piece (24) and a scraping frame (23); the stirring piece (24) ) two layers are disposed on the first mixing shaft (27), two layers are disposed on each layer, and two stirring pieces (24) are disposed on the same straight line; the scraping frame (23) is set in a rectangular shape; (6) two sets of communication tubes (7) are symmetrically disposed on the bottom surface; the communication tube (7) is provided with a baffle, and the other end of the communication tube (7) is in communication with the second mixing device (8); The second mixing device (8) is composed of a mixing tube (30), a third motor (29), a second mixing shaft (28), a first spiral mixing plate (32) and a second spiral mixing plate (31); The mixing tube (30) is horizontally disposed, internally disposed as a second mixing chamber (33); the second mixing chamber (33) is provided with a second mixing shaft (28); and the second mixing shaft (28) a first spiral mixing plate (32) and a second spiral mixing plate (31) are fixed thereon; the second mixing shaft (28) one end is fixedly connected with the main shaft of the third motor (29); the third motor (29) is fixed on the end surface of the mixing tube (30); and the discharge tube (10) is fixed in the middle of the mixing tube (30) a fixing plate (14) is disposed on the bottom wall of the bottom of the can body (6); the fixing plate (14) is connected to the bottom plate (12) through the bracket (13); the bottom plate (12) is arranged in a square shape, and the bottom plate ( 12) Casters (9) are provided at the four corners of the bottom surface.
The lithium battery anode material stirring and mixing device according to claim 1, characterized in that the feeding tube (1) is provided with four sets, which are evenly distributed on the upper cover (2).
The lithium battery negative electrode material stirring and mixing device according to claim 1, wherein the stirring piece (24) forms an angle of 30 degrees with the vertical surface.
The lithium battery anode material stirring and mixing apparatus according to claim 1, wherein the first spiral mixing plate (32) and the second spiral mixing plate (31) have opposite directions of rotation.
The lithium battery anode material stirring and mixing device according to claim 1, characterized in that the middle portion of the bottom plate (12) is provided with a discharge pipe mounting hole (11).