CN210934765U - Slurry stirring device for lithium ion battery production - Google Patents

Abstract

The utility model belongs to the technical field of lithium ion battery apparatus for producing technique and specifically relates to a thick liquids agitating unit is used in lithium ion battery production, including the material case, the charge door has been seted up on the lateral wall of material case, charge door upper portion covers there is the end cover, the bottom of material case is equipped with the bottom plate, the bottom plate is convex, be equipped with discharge mechanism on the bottom plate, the upper portion of material case is rotated and is connected with the main shaft, the both ends of main shaft extend to the outside of material case and be connected with the extension board perpendicularly, the part that the main shaft is located material incasement portion is connected with the otter board, the outside of material case is equipped with the drive material case and winds main shaft. The utility model discloses can realize that efficient thick liquids stirring mixes.

Description

A slurry stirring device for lithium ion battery production

technical field

The utility model relates to the field of lithium ion battery production devices, in particular to a slurry stirring device for lithium ion battery production.

Background technique

A lithium-ion battery is a secondary battery (rechargeable battery) that mainly relies on the movement of lithium ions between the positive and negative electrodes to work. During the charging and discharging process, Li+ intercalates and deintercalates back and forth between the two electrodes: during charging, Li+ is deintercalated from the positive electrode, intercalated into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; during discharge, the opposite is true. Generally, a lithium-ion battery is composed of a positive electrode, a negative electrode, an electrolyte and a separator. Both the positive electrode and the negative electrode are composed of active substances, conductive agents and binders through constant stirring and uniform mixing to form a slurry coated on the current collector. Therefore, Stirring the slurry in the production process is a basic process. The stirrer in the prior art uses the motor to drive the stirring blade on the rotating shaft to stir. This stirring method takes a long time to stir and the stirring is uneven.

Utility model content

The purpose of the utility model is to solve the disadvantage of low stirring efficiency in the prior art, and proposes a slurry stirring device for lithium ion battery production.

In order to achieve the above purpose, the technical scheme adopted by the present utility model is: a slurry stirring device for lithium ion battery production, comprising a material box, a feeding port is opened on the side wall of the material box, and the upper part of the feeding port is covered with a material box. End cover, the bottom of the material box is provided with a bottom plate, the bottom plate is arc-shaped, a discharge mechanism is arranged on the bottom plate, the upper part of the material box is rotatably connected with a main shaft, and both ends of the main shaft extend to A support plate is vertically connected to the outside of the material box, a mesh plate is connected to the part of the main shaft located inside the material box, and a drive mechanism that drives the material box to swing around the main shaft is arranged outside the material box.

Preferably, the discharge mechanism includes a plurality of discharge ports opened on the bottom plate, the discharge ports are arranged in a straight line at equal distances, and a control valve is provided at the discharge ports.

Preferably, the inner cavity of the material box is a cylindrical cavity with a sector-shaped cross-section, and the center of the sector is located on the axis of the main shaft.

Preferably, the driving mechanism includes an elongated guide groove, the guide groove is fixed on the outer wall of the material box, and a driving rod sliding along the inner wall is inserted into the guide groove, and two ends of the driving rod are inserted into the guide groove. Connecting rods are connected vertically, and the ends of the connecting rods are vertically connected with a transmission shaft parallel to the driving rod. The two transmission shafts are parallel to each other. The support plates are fixedly connected, and one of the transmission shafts is connected with a rotating mechanism that drives the support plate to rotate.

Preferably, the rotating mechanism includes a transmission wheel and a motor, the transmission wheel is coaxially connected to the end of the transmission shaft, the motor is fixedly connected to one of the support plates through a bracket, and the output shaft of the motor is coaxially connected with a The driving wheel is connected with a transmission belt between the driving wheel and the transmission wheel.

Compared with the prior art, the utility model has the following beneficial effects:

1. In the present utility model, the slurry to be stirred is stored in the material box, and the material box can swing around the main shaft that is rotatably connected to the upper part of the material box, so that the materials in the stirring box can be fully mixed, and the mixing efficiency is high;

2. The mesh plate is set in the material box, and the main shaft is fixedly connected with the support plate, so the mesh plate remains stationary during the swing of the material box, and the mesh plate fully stirs the slurry in the material box;

3. Further, the material box is arranged in a fan shape, and an arc-shaped bottom plate is arranged at the bottom of the material box, so that the bottom of the screen plate can be closer to the surface of the bottom plate without affecting the swing of the material box.

Description of drawings

Fig. 1 is the front structure schematic diagram of the present utility model;

Fig. 2 is the structural representation at A place in Fig. 1;

3 is a schematic view of the rear structure of the utility model;

FIG. 4 is a schematic cross-sectional structure diagram of the utility model.

In the picture: material box 1, support plate 2, bottom plate 3, control valve 4, discharge port 5, main shaft 6, screen plate 7, feeding port 8, end cover 9, transmission wheel 10, transmission belt 11, motor 12, transmission shaft 13. Connecting rod 14, driving rod 15, guide groove 16, mounting plate 17.

Detailed ways

The following description is used to disclose the present invention to enable those skilled in the art to implement the present invention. The preferred embodiments described below are given by way of example only, and other obvious modifications will occur to those skilled in the art.

As shown in Figures 1-4, a slurry stirring device for lithium-ion battery production includes a material box 1. A feeding port 8 is opened on the side wall of the material box 1. The upper part of the feeding port 8 is covered with an end cover 9. The material box The bottom of 1 is provided with a bottom plate 3, the bottom plate 3 is arc-shaped, and the bottom plate 3 is provided with a discharging mechanism, and the discharging mechanism includes a plurality of discharging ports 5 opened on the bottom plate 3, and the discharging ports 5 are arranged in an equidistant line. A control valve 4 is provided at the discharge port 5 . The material box 1 is used to store the slurry to be stirred. The slurry is added into the material box 1 through the feeding port 8. The slurry in the material box 1 can be removed by opening the control valve 4. It is convenient and quick to discharge the slurry.

The upper part of the material box 1 is rotatably connected with the main shaft 6, the two ends of the main shaft 6 extend to the outside of the material box 1 and are vertically connected with the support plate 2, the part of the main shaft 6 inside the material box 1 is connected with the screen plate 7, and the A drive mechanism for driving the material box 1 to swing around the main shaft 6 is provided outside. The inner cavity of the material box 1 is a cylindrical cavity with a sector-shaped section, and the center of the sector is located on the axis of the main shaft 6 . The material box 1 can swing around the main shaft 6, so as to facilitate the overall shaking of the materials in the material box 1, so as to facilitate the rapid mixing of the materials in the material box 1. The material box 1 is set as a fan-shaped section, and the bottom plate 3 is set as an arc shape, so that the edge of the screen plate 7 can slide along the surface of the bottom plate 3, so as to facilitate more comprehensive stirring of the slurry.

The driving mechanism includes a long guide groove 16. The guide groove 16 is fixed on the outer wall of the material box 1. The guide groove 16 is inserted with a driving rod 15 that slides along its inner wall. Both ends of the driving rod 15 are connected vertically. Rod 14, the end of the connecting rod 14 is vertically connected with a transmission shaft 13 parallel to the driving rod 15, the two transmission shafts 13 are parallel to each other, the transmission shaft 13 is rotatably mounted on the mounting plate 17, and the mounting plate 17 is fixedly connected with the support plate 2 , one of the transmission shafts 13 is connected with the rotating mechanism that drives its rotation. The transmission shaft 13 rotates, and the connecting rod 14 drives the driving rod 15 to rotate around the axis of the transmission shaft 13, thereby pushing the guide groove 16 to move through the driving rod 15. During this process, the driving rod 15 slides back and forth in the guide groove 16, and the guide groove 16 Drive the material box 1 to swing back and forth around the main shaft 6 .

The rotating mechanism includes a transmission wheel 10 and a motor 12, the transmission wheel 10 is coaxially connected to the end of the transmission shaft 13, the motor 12 is fixedly connected to one of the support plates 2 through a bracket, and the output shaft of the motor 12 is coaxially connected with a driving wheel, which drives the A transmission belt 11 is connected between the wheel and the transmission wheel 10 . The driving wheel and the transmission wheel 10 serve the purpose of deceleration and transmission, and the motor 12 is connected with an external power supply through wires.

The basic principles, main features and advantages of the present invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions describe only the principles of the present invention. There are various changes and improvements that fall within the scope of the claimed invention. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a thick liquids agitating unit is used in lithium ion battery production, includes material case (1), charge door (8) have been seted up on the lateral wall of material case (1), charge door (8) upper portion covers there is end cover (9), a serial communication port, the bottom of material case (1) is equipped with bottom plate (3), bottom plate (3) are arc, be equipped with discharge mechanism on bottom plate (3), the upper portion of material case (1) is rotated and is connected with main shaft (6), the outside and the perpendicular connection of main shaft (6) that extend to material case (1) in the both ends of main shaft (6) are equipped with extension board (2), the part that main shaft (6) are located material case (1) inside is connected with otter board (7), the outside of material case (1) is equipped with drive material case (1) around main shaft (6) wobbling actuating mechanism.

2. The slurry stirring device for lithium ion battery production according to claim 1, wherein the discharging mechanism comprises a plurality of discharging ports (5) formed on the bottom plate (3), the discharging ports (5) are arranged in a straight line at equal intervals, and a control valve (4) is arranged at the discharging ports (5).

3. The slurry stirring device for lithium ion battery production according to claim 1, wherein the inner cavity of the material tank (1) is a cylindrical cavity with a sector section, and the circle center of the sector is located on the axis of the main shaft (6).

4. The slurry stirring device for lithium ion battery production according to claim 1, wherein the driving mechanism comprises a long-strip-shaped guide groove (16), the guide groove (16) is fixed on the outer wall of the material tank (1), a driving rod (15) sliding along the inner wall of the guide groove (16) is inserted in the guide groove (16), two ends of the driving rod (15) are vertically connected with connecting rods (14), the end of each connecting rod (14) is vertically connected with a transmission shaft (13) parallel to the corresponding driving rod (15), the two transmission shafts (13) are parallel to each other, the transmission shafts (13) are rotatably mounted on a mounting plate (17), the mounting plate (17) is fixedly connected with the support plate (2), and one of the transmission shafts (13) is connected with a rotating mechanism for driving the rotation of the transmission shaft.

5. The slurry stirring device for lithium ion battery production according to claim 4, wherein the rotating mechanism comprises a driving wheel (10) and a motor (12), the driving wheel (10) is coaxially connected with the end of a transmission shaft (13), the motor (12) is fixedly connected with one of the support plates (2) through a bracket, an output shaft of the motor (12) is coaxially connected with a driving wheel, and a transmission belt (11) is connected between the driving wheel and the driving wheel (10).

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