WO2018152776A1

WO2018152776A1 - Device for crushing, screening, and feeding battery negative electrode material

Info

Publication number: WO2018152776A1
Application number: PCT/CN2017/074782
Authority: WO
Inventors: 王爽
Original assignee: 深圳市玖创科技有限公司
Priority date: 2017-02-24
Filing date: 2017-02-24
Publication date: 2018-08-30

Abstract

A device for crushing, screening, and feeding a battery negative electrode material. The device comprises a crushing tank (3), a feeding hopper (4), and a feeding pipe (5); a first separating plate (16), a second separating plate (14), and a crushing means are provided inside the crushing tank (3); a material guide pipe (1) is provided at an opening on the top of the crushing tank (3), and the feeding hopper (4) is fixedly connected at an opening at the bottom of the crushing tank (3) by means of mutual screwing of a bolt (6) and a nut (7); the first separating plate (16) and the second separating plate (14) are fixed inside the crushing tank (3); a plurality of through holes are separately distributed on the first separating plate (16) and the second separating plate (14); the crushing means consists of a crushing motor (18), a crushing rotating shaft (11), a first fixed blade (17), a first rotary blade (12), a second fixed blade (13), and a second rotary blade (15). Raw materials that do not meet the size requirements are filtered out effectively by means of the first separating plate and the second separating plate, so as to prevent caked raw materials from affecting implementation of the subsequent process; the caked raw materials are completely crushed by means of the crushing means, and therefore, the proportion of qualified materials is increased, and the utilization rate of the raw materials is increased.

Description

Battery anode material crushing and screening feeding device

Technical field

The invention relates to an electrode material processing device, in particular to a battery negative electrode material crushing and screening feeding device.

Background technique

At present, in the electrode preparation process, the electrode raw material is usually filtered by a single-layer filter device, so that the raw materials that do not meet the size requirements or the agglomerated raw materials are filtered out, but the single-layer filtration is prone to a large electrode material agglomeration. The large space volume occupied by the filter layer will severely block part of the pore size of the filter layer, so that the existing single-layer filter layer has low filtration efficiency, and is not conducive to improving the utilization rate of raw materials, resulting in waste of raw materials.

Summary of the invention

SUMMARY OF THE INVENTION An object of the present invention is to provide a battery negative electrode material crushing and screening feeding 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 battery anode material crushing and screening feeding device comprises a crushing tank, a feeding hopper and a feeding tube; the crushing tank is arranged as a hollow cylinder connected at both ends, and the first partition and the second partition are arranged inside a plate and a crushing device; a guide pipe is arranged at the top opening of the crushing tank, and the bottom opening is fixedly connected with the feeding hopper by mutual screwing of the bolt and the nut; the bottom of the feeding hopper is fixedly connected with the feeding pipe; a baffle and a second baffle are fixed inside the crushing tank, and the first baffle and the second baffle are uniformly provided with a plurality of through holes; the first baffle upper surface is provided with a first discharge pipe on the side wall of the crushing tank a second discharge pipe is disposed on the sidewall of the crushing tank on the upper surface of the second partition; the crushing device comprises a crushing motor, a crushing shaft, a first fixed blade, a first rotating blade, a second fixed blade and a second rotating blade The crushing motor is fixed inside the crushing tank by a fixing rod; the main shaft of the crushing motor is fixedly connected with the crushing rotating shaft; the crushing rotating shaft extends through the first partition plate to the upper surface of the second partition; the broken rotating shaft is fixed with the first a rotating blade and Rotating the blade; the first rotating blade is disposed on the crushing shaft above the first partition, and the first rotating blade is disposed above and below the first fixed blade; the first fixed blade is fixed on the inner wall of the crushing tank; The two rotating blades are disposed on the crushing shaft between the first partition plate and the second partition plate, and the second rotating blade is disposed above and below the second fixed blade; the second fixed blade is fixed on the inner wall of the crushing tank.

As a further aspect of the present invention, the diameter of the through hole in the first spacer is larger than the diameter of the through hole in the second spacer.

As a further aspect of the present invention, the first discharge tube and the second discharge material are each arranged in a hollow rectangular parallelepiped having a square cross section, and the first discharge tube and the second discharge tube are provided with a drawer discharge baffle .

As a still further aspect of the present invention, a guide cone is fixed to the top of the crushing motor.

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

The invention adopts the double-layer filtration through the arrangement of the first partition plate and the second partition plate, can effectively filter out the raw materials that do not meet the size requirement, and prevents the agglomerated raw materials from affecting the subsequent process; through the setting of the crushing device, Using broken motor belt The rotating shaft rotates, and the crushing shaft drives the first rotating blade and the first fixed blade to rotate relative to each other, and drives the second rotating blade and the second fixed blade to perform relative rotation, and the raw material is subjected to two-stage crushing treatment, which is beneficial to the agglomerating raw materials. Fully broken, increase the proportion of qualified raw materials, and improve the utilization rate of raw materials.

DRAWINGS

1 is a schematic structural view of a crushing and screening feeding device for a battery negative electrode material.

2 is a cross-sectional structural view of a battery negative electrode material crushing and screening feeding device.

In the figure: 1-guide tube, 2-first discharge tube, 3-break tank, 4-feed hopper, 5-feed tube, 6-bolt, 7-nut, 8-second discharge tube, 9-guide cone, 10-fixing rod, 11-crushing shaft, 12-first rotating blade, 13-second fixed blade, 14-second partition, 15-second rotating blade, 16-first partition , 17 - first fixed blade, 18 - broken motor.

detailed description

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

Referring to FIG. 1-2, a battery negative electrode material crushing and screening feeding device comprises a crushing tank 3, a feeding hopper 4 and a feeding pipe 5; the crushing tank 3 is arranged as a hollow cylinder communicating with both ends, The first baffle 16, the second baffle 14 and the crushing device are disposed inside; the top of the crushing tank 3 is provided with a guiding tube 1 , and the bottom opening is fixed by the mutual screwing of the bolt 6 and the nut 7 and the feeding hopper 4 The bottom of the feed hopper 4 is fixedly connected to the feed pipe 5; the first baffle 16 and the second baffle 14 are fixed inside the crush can 3, and the first baffle 16 and the second baffle 14 are A plurality of through holes are evenly distributed; the diameter of the through hole in the first partition plate 16 is larger than the diameter of the through hole in the second partition plate 14; the first discharge tube 2 is disposed on the side wall of the crushing tank 3 on the upper surface of the first partition plate 16 a second discharge pipe 8 is disposed on the sidewall of the upper surface crushing tank 3 of the second partition plate 14; the first discharge pipe 2 and the second discharge pipe 8 are each provided with a hollow rectangular parallelepiped having a square cross section, and A discharge tube and a second discharge tube 8 are provided with a drawer type discharge baffle; through the arrangement of the first partition 16 and the second partition 14, double-layer filtration is adopted. Effectively filtering out the raw materials that do not meet the size requirements, preventing the agglomerated raw materials from affecting the subsequent process; the crushing device is composed of the crushing motor 18, the crushing shaft 11, the first fixed blade 17, the first rotating blade 12, and the second The fixed blade 13 and the second rotating blade 15 are formed; the crushing motor 18 is fixed inside the crushing tank 3 by the fixing rod 10, and a guide cone 9 is fixed on the top of the crushing motor 18; the main shaft of the crushing motor 18 is fixedly connected with the crushing shaft 11 The crushing shaft 11 extends through the first partition 16 to the upper surface of the second partition 14; the first rotating blade 12 and the second rotating blade 15 are fixed to the crushing shaft 11; the first rotating blade 12 is disposed at a first rotating blade 11 is disposed on the crushing shaft 11 above the first partition plate 16, and a first fixed blade 17 is disposed above and below the first rotating blade 12; the first fixed blade 17 is fixed on the inner wall of the crushing can 3; and the second rotating blade 15 is disposed On the crushing shaft 11 between the first partition plate 16 and the second partition plate 14, and the second rotating blade 12 is disposed above and below the second fixed blade 13; the second fixed blade 13 is fixed on the inner wall of the crushing can 3; Through the setting of the crushing device, the use of broken The motor 18 drives the crushing shaft 11 to rotate, and the crushing shaft 11 drives the first rotating blade 12 and the first fixed blade 17 to rotate relative to each other, and drives the second rotating blade 15 and the second fixed blade 13 to rotate relative to each other to perform two-stage crushing treatment on the raw material. Conducive to the knot The raw materials of the block are fully broken, the proportion of the qualified raw materials is increased, and the utilization rate of the raw materials is improved.

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 battery anode material crushing and screening feeding device comprises a crushing tank (3), a feeding hopper (4) and a feeding pipe (5); characterized in that the crushing tank (3) is arranged to be connected at both ends The hollow cylinder is internally provided with a first partition (16), a second partition (14) and a crushing device; a guide tube (1) is arranged at the top opening of the crush tank (3), and the bottom opening is provided with a bolt ( 6) the mutual screwing of the nut (7) is fixedly connected with the feeding hopper (4); the bottom of the feeding hopper (4) is fixedly connected with the feeding pipe (5); the first partition (16) and The second partition plate (14) is fixed inside the crushing tank (3), and the first partition plate (16) and the second partition plate (14) are uniformly provided with a plurality of through holes; the upper surface of the first partition plate (16) is broken. a first discharge pipe (2) is disposed on the side wall of the tank (3), and a second discharge pipe (8) is disposed on the side wall of the upper surface crushing tank (3) of the second partition plate (14); the crushing device Comprising a crushing motor (18), a crushing shaft (11), a first fixed blade (17), a first rotating blade (12), a second fixed blade (13) and a second rotating blade (15); (18) Fixed inside the crushing tank (3) by the fixing rod (10); the main shaft of the crushing motor (18) and broken The shaft (11) is fixedly connected; the crushing shaft (11) extends through the first partition plate (16) to the upper surface of the second partition plate (14); the first rotating blade (12) is fixed to the crushing shaft (11) And a second rotating blade (15); the first rotating blade (12) is disposed on the crushing shaft (11) above the first partition (16), and the first rotating blade (12) is provided with a first setting a blade (17); the first fixed blade (17) is fixed on an inner wall of the crushing can (3); the second rotating blade (15) is disposed on the first partition (16) and the second partition (14) A crushing shaft (11) is disposed between the second rotating blade (12) and a second fixed blade (13) is disposed above and below; the second fixed blade (13) is fixed to the inner wall of the crushing can (3).
The battery negative electrode material crushing and screening feeding device according to claim 1, wherein a diameter of the through hole in the first partition plate (16) is larger than a diameter of the through hole in the second partition plate (14).
The battery negative electrode material crushing and screening feeding device according to claim 1, wherein the first discharge pipe (2) and the second discharge pipe (8) are each provided as a hollow rectangular parallelepiped having a square cross section. And a drawer discharge baffle is arranged on the first discharge pipe (2) and the second discharge pipe (8).
The battery negative electrode material crushing and screening feeding device according to claim 1, characterized in that a guide cone (9) is fixed to the top of the crushing motor (18).