CN211854649U

CN211854649U - Lithium battery negative electrode material drying device

Info

Publication number: CN211854649U
Application number: CN201922117535.8U
Authority: CN
Inventors: 刘贺锋; 宋文杰
Original assignee: Quzhou Zhongchi New Materials Co ltd
Current assignee: Quzhou Zhongchi New Materials Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-11-03
Anticipated expiration: 2029-12-02

Abstract

The utility model provides a lithium cell negative electrode material drying device, its characterized in that: the stirring device comprises a stirring bin with a feeding hole and a discharging hole, and a stirring shaft which is arranged along the same center line of the stirring bin and is provided with a stirring blade, wherein the stirring shaft rotates relative to the stirring bin under the driving of a power device; the stirring bin is characterized in that a drying bin communicated with the discharge port is integrally formed at the bottom end of the stirring bin, a second discharge port is arranged on the side part of the drying bin, a guide plate is arranged between the second discharge port and the discharge port, and a heat exchange tube is embedded in the guide plate. Lithium cell negative material drying device, through setting up stirring storehouse and (mixing) shaft, and then can stir negative material, and through setting up the stoving storehouse to set up the guide plate in the stoving storehouse, consequently make the guide plate have certain temperature because the embedded heat exchange tube of guide plate makes the guide plate, and then realized flowing through the stoving to negative material on the guide plate.

Description

Lithium battery negative electrode material drying device

Technical Field

The utility model relates to a lithium cell production technical field, in particular to lithium cell negative electrode material drying device.

Background

Need mix, smash, stirring, process such as screening in lithium cell production process, wherein lithium cell negative pole material's agitating unit is exactly one of them, and lithium cell negative pole material's agitating unit is used for mixing the stirring to the preparation raw materials, makes various raw materials intensive mixing, and the (mixing) shaft can not go up and down when the stirring of current agitating unit to make the stirring leaf can only stir its with the horizontally negative pole material, the stirring mode is comparatively single, and stirring efficiency is lower. In addition, the lithium battery still needs to dry the cathode material in the production process, and the drying mode generally adopts wind-heat drying in the prior art, and the drying efficiency is lower.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a lithium cell negative pole material drying device to can stir negative pole material, and carry out the stoving operation.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a drying device for a lithium battery negative electrode material comprises a stirring bin with a feeding hole and a discharging hole, and a stirring shaft which is arranged with the stirring bin at the same center line and is provided with stirring blades, wherein the stirring shaft rotates relative to the stirring bin under the driving of a power device; the stirring bin is characterized in that a drying bin communicated with the discharge port is integrally formed at the bottom end of the stirring bin, a second discharge port is arranged on the side part of the drying bin, a guide plate is arranged between the second discharge port and the discharge port, and a heat exchange tube is embedded in the guide plate.

Furthermore, an air hole is formed in a guide plate on the side of the discharge hole, a fan right opposite to the air hole is arranged in the drying bin, and the heat exchange tube penetrates out of the guide plate and then winds between the air hole and the fan.

Further, still including locating stirring storehouse top, in order to order about the thrustor of (mixing) shaft lift, thrustor includes the push rod that can follow vertical direction lift, and locates stirring storehouse top is in order to order about the cam subassembly that the lifter goes up and down.

Furthermore, a lifting disc is rotatably sleeved on the stirring shaft, a shaft shoulder is fixedly connected to the stirring shaft above the lifting disc, the top end of the ejector rod is fixedly connected with the lifting disc, and a guide part for guiding the lifting of the lifting disc is arranged on the other side of the lifting disc relative to the ejector rod.

Furthermore, the guide part comprises a guide rod of which the top end is fixedly connected with the lifting disc and a guide cylinder of which the bottom end is fixedly connected with the top of the stirring bin, and the guide rod is inserted into the guide cylinder in a sliding manner.

Furthermore, the top of the stirring bin is fixedly connected with a guide seat with a guide hole, and the ejector rod penetrates through the guide hole in a sliding manner and can be lifted.

Furthermore, the power device is a rotating motor which is fixedly connected with the top of the stirring bin and is offset on one side of the stirring shaft, the stirring shaft is sleeved and fixedly connected with a cylindrical gear, and a power output shaft of the rotating motor is fixedly connected with a second cylindrical gear.

Compared with the prior art, the utility model discloses following advantage has:

(1) lithium cell negative material drying device, through setting up stirring storehouse and (mixing) shaft, and then can stir negative material, and through setting up the stoving storehouse to set up the guide plate in the stoving storehouse, consequently make the guide plate have certain temperature because the embedded heat exchange tube of guide plate makes the guide plate, and then realized flowing through the stoving to negative material on the guide plate.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a drying device for lithium battery negative electrode materials according to an embodiment of the present invention;

description of reference numerals:

1-stirring bin, 101-feeding port, 102-discharging port, 2-stirring shaft, 201-stirring blade, 3-pushing rod, 4-guiding seat, 5-second rotating motor, 6-cam, 7-lifting disk, 8-shaft shoulder, 9-guiding rod, 10-guiding cylinder, 11-rotating motor, 12-cylindrical gear, 13-second cylindrical gear, 14-drying bin, 15-second discharging port, 16-guide plate, 17-heat exchange tube, 18-air hole and 19-fan.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In this embodiment, a lithium battery negative electrode material drying device, as shown in fig. 1, it includes stirring storehouse 1 that has feed inlet 101 and discharge gate 102 to and the (mixing) shaft 2 that sets up with stirring storehouse 1 concentric line, this (mixing) shaft 2 has the rotation for stirring storehouse 1 under the order of power device, thereby constitutes the stirring to the negative electrode material in stirring storehouse 1, this lithium battery negative electrode material drying device is still including locating stirring storehouse 1 top, in order to drive the thrustor mechanism that (mixing) shaft 2 goes up and down.

The 2 bottom of (mixing) shaft is located stirring storehouse 1 in this embodiment to be provided with a plurality of stirring leaves 201 on (mixing) shaft 2, this (mixing) shaft 2 top is rotated by stirring storehouse 1 top and is worn out. In this embodiment, the pushing mechanism comprises a pushing rod 3 capable of ascending and descending along the vertical direction, and a cam assembly arranged at the top of the stirring bin 1 to drive the ascending and descending of the lifting rod, and the pushing mechanism is specifically structurally characterized in that a guide seat 4 fixedly connected with a guide hole is fixedly connected to the top of the stirring bin 1, and the pushing rod 3 is made to slide out of the guide hole, so that the pushing rod 3 can ascend and descend. The cam subassembly is including linking firmly in the second rotating electrical machines 5 at 1 top in stirring storehouse in this embodiment to and link firmly in the cam 6 on 5 power output shaft in second rotating electrical machines, the cooperation of the bottom butt of the outer peripheral face of this cam 6 and ejector pin 3.

In order to make the ejector pin 3 can order about (mixing) shaft 2 to go up and down, the (mixing) shaft 2 goes up and down to rotate the cover in this embodiment and is equipped with lifting disk 7 to link firmly shaft shoulder 8 on (mixing) shaft 2 of lifting disk 7 top, and link firmly the top of ejector pin 3 with lifting disk 7 bottom surface, order about (mixing) shaft 2 through shaft shoulder 8 and rise when further making lifting disk 7 rise through setting up shaft shoulder 8. In order to ensure the stability of the lifting and lowering plate 7, in the present embodiment, a guide portion for guiding the lifting and lowering of the lifting and lowering plate 7 is provided on the other side of the lifting and lowering plate 7 with respect to the ejector pin 3. The guide part comprises a guide rod 9 of which the top end is fixedly connected with the lifting disc 7 and a guide cylinder 10 of which the bottom end is fixedly connected with the top of the stirring bin 1, and the guide rod 9 is inserted into the guide cylinder 10 in a sliding manner.

In this embodiment, the power device is a rotating electrical machine 11 which is fixedly connected to the top of the stirring bin 1 through a fixing frame not shown in the figure and is offset on one side of the stirring shaft 2, the stirring shaft 2 is fixedly connected with a cylindrical gear 12 in a sleeved manner, meanwhile, a power output shaft of the rotating electrical machine 11 is fixedly connected with a second cylindrical gear 13, and the length of the second cylindrical gear 13 is greater than that of the cylindrical gear 12, so that the stirring shaft 2 can be ensured to be always meshed with the second cylindrical gear 12 and the second cylindrical gear 13 when ascending and descending. Through setting up rotating electrical machines 11 offside in (mixing) shaft 2 one side in this embodiment to link firmly on stirring storehouse 1, and then can make (mixing) shaft 2 alleviate push rod 3's load when rising, reduce the wearing and tearing between each part.

In order to dry the stirred cathode material, in this embodiment, a drying bin 14 communicated with the discharge port 102 is integrally formed at the bottom end of the stirring bin 1, a second discharge port 15 is arranged at the side of the drying bin 14, in order to facilitate the cathode material to fall from the discharge port 102 and then be discharged from the second discharge port 15, in this embodiment, a flow guide plate 16 is arranged between the second discharge port 15 and the discharge port 102, and meanwhile, in order to dry the cathode material, in this embodiment, a heat exchange pipe 17 is embedded in the flow guide plate 16, and the heat exchange pipe 17 may be a plurality of pipes arranged side by side.

In order to further improve the drying effect, in this embodiment, a plurality of air holes 18 are formed on the air deflector 16 on the side of the discharge port 102, a fan 19 facing the air holes 18 is arranged in the drying bin 14, and the heat exchange pipe 17 penetrates out of the air deflector 16 and then winds around between the air holes 18 and the fan 19. As shown in fig. 1, in this embodiment, two ends of the heat exchanging pipe 17 respectively penetrate through the side wall of the drying bin 14 and then form a circulating pipeline with a heat source not shown in the figure, so as to ensure that the heat source is continuously circulated through the heat exchanging pipe 17.

This lithium cell negative pole material agitating unit is when using, add the negative pole material through feed inlet 101 in to stirring storehouse 1, then open rotating electrical machines 11 and second rotating electrical machines 5 simultaneously stir the negative pole material can, be provided with the motorised valve that is not shown in the figure in discharge gate 102, can keep the closed state at stirring in-process motorised valve, open the motorised valve after the stirring finishes and slowly arrange the negative pole material to stoving storehouse 14 in, can through guide plate 16 and hot-blast negative pole material stoving.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a lithium cell negative pole material drying device which characterized in that: the stirring device comprises a stirring bin with a feeding hole and a discharging hole, and a stirring shaft which is arranged along the same center line of the stirring bin and is provided with a stirring blade, wherein the stirring shaft rotates relative to the stirring bin under the driving of a power device; the stirring bin is characterized in that a drying bin communicated with the discharge port is integrally formed at the bottom end of the stirring bin, a second discharge port is arranged on the side part of the drying bin, a guide plate is arranged between the second discharge port and the discharge port, and a heat exchange tube is embedded in the guide plate.

2. The drying device for the negative electrode material of the lithium battery as claimed in claim 1, wherein: an air hole is formed in the guide plate on the side of the discharge hole, a fan right opposite to the air hole is arranged in the drying bin, and the heat exchange tube penetrates out of the guide plate and then winds between the air hole and the fan.

3. The drying device for the negative electrode material of the lithium battery as claimed in claim 2, wherein: still including locating stirring storehouse top, in order to order about the thrustor of (mixing) shaft lift, thrustor includes the push rod that can follow vertical direction lift, and locates stirring storehouse top is in order to order about the cam pack that push rod goes up and down.

4. The drying device for the negative electrode material of the lithium battery as claimed in claim 3, wherein: the stirring shaft is rotatably sleeved with a lifting disc, a shaft shoulder is fixedly connected to the stirring shaft above the lifting disc, the top end of the ejector rod is fixedly connected with the lifting disc, and a guide part for guiding the lifting of the lifting disc is arranged on the other side of the lifting disc, opposite to the ejector rod.

5. The drying device for the negative electrode material of the lithium battery as claimed in claim 4, wherein: the guide part comprises a guide rod of which the top end is fixedly connected with the lifting disc and a guide cylinder of which the bottom end is fixedly connected with the top of the stirring bin, and the guide rod is inserted into the guide cylinder in a sliding manner.

6. The drying device for the negative electrode material of the lithium battery as claimed in claim 5, wherein: the top of the stirring bin is fixedly connected with a guide seat with a guide hole, and the ejector rod penetrates through the guide hole in a sliding mode and can be lifted.

7. The drying device for the negative electrode material of the lithium battery as claimed in claim 1, wherein: the power device is a rotating motor which is fixedly connected with the top of the stirring bin and is offset on one side of the stirring shaft, the stirring shaft is sleeved and fixedly connected with a cylindrical gear, and a power output shaft of the rotating motor is fixedly connected with a second cylindrical gear.