CN220715672U - Lithium cell device for mixing paste - Google Patents

Abstract

A device for lithium battery size mixing, device field for lithium battery production includes: the stirring device comprises a shell, a circulating device and an auxiliary stirring device, wherein the auxiliary stirring device is fixed on the inner bottom surface of the shell, the circulating device is fixed on the auxiliary stirring device, and the circulating device is fixedly connected with the shell. The utility model can solve the background problems as follows: the conventional equipment drives an impeller to stir through a transmission shaft, so that the stirring effect is poor, the time is long and the fluidity is poor. And in the region far away from the end part of the impeller when the conventional equipment is stirred, the problem that the quality of the lithium battery is affected because a layer of slurry is always stagnant and becomes a dead zone which can cause uneven mixing and dispersion of the slurry is solved.

Description

Lithium cell device for mixing paste

Technical Field

The utility model belongs to the field of devices for producing lithium batteries, and particularly relates to a device for mixing slurry of a lithium battery.

Background

In lithium battery production, the pole piece manufacturing process is extremely important, and comprises the steps of size mixing, coating, rolling, slitting and drying. The size mixing is to uniformly mix raw materials with different properties to prepare a solid-liquid phase mixed slurry, which comprises electrode materials, conductive agents, binders, solvents and the like. The conventional equipment drives the impeller to stir through a transmission shaft, so that the stirring effect is poor, the time is long, and the fluidity is poor. Meanwhile, when the existing equipment is stirred, a layer of slurry can be always stagnant in a region far away from the end part of the impeller, and the slurry can be mixed and dispersed unevenly due to a dead zone, so that the quality of a lithium battery can be affected.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a device for mixing lithium batteries.

The utility model realizes the aim and adopts the following technical scheme:

the utility model provides a lithium cell device for sizing mixing which characterized in that: comprising the following steps: the stirring device comprises a shell, a circulating device and an auxiliary stirring device, wherein the auxiliary stirring device is fixed on the inner bottom surface of the shell, the circulating device is fixed on the auxiliary stirring device, and the circulating device is fixedly connected with the shell.

The upper end of the shell is provided with a feed inlet and a feed outlet.

The circulation device includes: the novel water-blocking device comprises a circulating pipe, a motor, a feeding pump, a spiral plate, a discharging cover, a water-blocking block and a stirring paddle I, wherein the motor is fixed at the upper end of the shell, an output shaft of the motor rotates to penetrate into the top surface of the shell and is fixedly connected with the circulating pipe, the feeding pump is fixed inside the circulating pipe, the feeding end of the feeding pump is arranged outside the circulating pipe, the spiral plate is fixed inside the circulating pipe, the spiral plate is located below the discharging end of the feeding pump, the discharging cover is arranged below the circulating pipe, the water-blocking block is fixed in the discharging cover and located below the discharging cover, the stirring paddle I is fixed on the peripheral side surface of the circulating pipe, and the stirring paddles I are arranged in a plurality.

The water blocking block is arranged in a conical shape.

The auxiliary stirring device comprises: the novel water-blocking device comprises a fixing ring, a sun gear, planet gears, support columns and stirring paddles II, wherein the fixing ring is fixed on the inner bottom surface of a shell, the sun gear is rotationally connected to the center of the circle of the fixing ring, the lower end of a water-blocking block is fixedly connected with the end face of the sun gear through a rotating shaft, teeth are arranged on the inner side face of the fixing ring, the planet gears are meshed with the fixing ring and meshed with the sun gear, the planet gears are three, the planet gears are uniformly distributed by taking the sun gear as the center, one support column is vertically fixed on each planet gear, and a plurality of stirring paddles II are fixed on each support column.

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

the utility model provides a device for lithium battery slurry mixing, which can solve the problems presented by the background problems: the conventional equipment drives an impeller to stir through a transmission shaft, so that the stirring effect is poor, the time is long and the fluidity is poor. And in the region far away from the end part of the impeller when the conventional equipment is stirred, the problem that the quality of the lithium battery is affected because a layer of slurry is always stagnant and becomes a dead zone which can cause uneven mixing and dispersion of the slurry is solved. The stirring paddle I and the stirring paddle II are arranged to solve the problem that one layer of slurry is always stagnant in an area far away from the end part of the impeller during stirring, and meanwhile, the common equipment is driven to stir the impeller through a transmission shaft by arranging the feeding pump, the spiral plate, the discharging cover and the water blocking block, so that the stirring effect is poor, the time is long and the fluidity is poor.

Drawings

FIG. 1 is a schematic overall construction;

fig. 2 is a top view of the auxiliary agitating device.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are all within the protection scope of the present utility model.

A device for lithium battery sizing, comprising: the stirring device comprises a shell 1, a circulating device 2 and an auxiliary stirring device 3, wherein the auxiliary stirring device 3 is fixed on the inner bottom surface of the shell 1, the circulating device 2 is fixed on the auxiliary stirring device 3, and the circulating device 2 is fixedly connected with the shell 1.

The upper end of the shell 1 is provided with a feeding and discharging port 1-1.

The circulation device 2 includes: the novel water-blocking device comprises a circulating pipe 2-1, a motor 2-2, a feeding pump 2-3, a screw plate 2-4, a discharging cover 2-5, a water-blocking block 2-6 and a stirring paddle I2-7, wherein the motor 2-2 is fixed at the upper end of the shell 1, an output shaft of the motor 2-2 rotates to penetrate into the top surface of the shell 1 and is fixedly connected with the circulating pipe 2-1, the feeding pump 2-3 is fixed inside the circulating pipe 2-1, the feeding end of the feeding pump 2-3 is arranged outside the circulating pipe 2-1, the screw plate 2-4 is fixed inside the circulating pipe 2-1, the screw plate 2-4 is positioned below the discharging end of the feeding pump 2-3, the discharging cover 2-5 is arranged below the circulating pipe 2-1, the water-blocking block 2-6 is fixed inside the discharging cover 2-5, the stirring paddle I2-7 is fixed on the peripheral side surface of the circulating pipe 2-1, and the stirring paddle I2-7 is arranged in a plurality.

The water blocking blocks 2-6 are arranged in a conical shape.

The auxiliary stirring device 3 includes: the novel stirring device comprises a fixed ring 3-1, a sun gear 3-2, planet gears 3-3, supporting columns 3-4 and stirring paddles II 3-5, wherein the fixed ring 3-1 is fixed on the inner bottom surface of a shell 1, the sun gear 3-2 is rotationally connected to the center of the fixed ring 3-1, the lower end of a water blocking block 2-6 is fixedly connected with the end face of the sun gear 3-2 through a rotating shaft, teeth are arranged on the inner side face of the fixed ring 3-1, the planet gears 3-3 are meshed with the fixed ring 3-1 and meshed with the sun gear 3-2, the number of the planet gears 3-3 is three, the three planet gears 3-3 are uniformly distributed by taking the sun gear 3-2 as the center, one supporting column 3-4 is vertically fixed on each planet gear 3-3, and a plurality of stirring paddles II 3-5 are fixed on each supporting column 3-4.

The working principle of the utility model is as follows:

the slurry raw materials to be mixed are thrown into the shell 1 through the feeding and discharging hole 1-1, an external power supply is connected to the device, the motor 2-2 is electrified to drive the circulating pipe 2-1 to rotate, the circulating pipe 2-1 rotates to stir the slurry through the stirring paddle I2-7, meanwhile, the water blocking block 2-6 drives the sun wheel 3-2 to rotate, the sun wheel 3-2 rotates to drive the planet wheel 3-3 to rotate, the rotation direction of the planet wheel 3-3 is opposite to that of the circulating pipe 2-1, the planet wheel 3-3 drives the stirring paddle II 3-5 to stir the slurry through the supporting columns 3-4, the stirring paddle I2-7 drives the slurry to rotate to generate centrifugal force, vortex is formed in the middle of the slurry, so that the phenomenon of dead zone appears in the slurry rotating speed near the inner wall of the shell 1 is slow or stagnation, the stirring paddle II 3-5 reversely rotates to play a role of counteracting the vortex generated by the stirring paddle I2-7, meanwhile, the stirring paddle II 3-5 can stir the dead zone, and simultaneously, the slurry can be formed into shearing force by the stirring paddle I2-7, and the slurry can be fully crushed by matching with the rotation of the stirring paddle I2-7; the feeding pump 2-3 is electrified, slurry in the shell 1 is sucked through the feeding end and conveyed into the circulating pipe 2-1 through the discharging end, the slurry moves downwards along the spiral plate 2-4 and continuously impacts on the inner wall of the circulating pipe 2-1, so that the slurry raw material can be broken, solid materials in the slurry are prevented from being bonded into blocks, the slurry impacts on the water-blocking blocks 2-6 after passing through the spiral plate 2-4, the water-blocking blocks 2-6 arranged along the cone shape are diffused to the bottom of the shell 1, and the slurry at the upper end of the shell 1 can be circulated to the lower end through the circulation, so that the slurry is further fully mixed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in 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 disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (4)

1. The utility model provides a lithium cell device for sizing mixing which characterized in that: comprising the following steps: shell (1), circulating device (2) and auxiliary stirring device (3), the bottom surface is fixed with auxiliary stirring device (3) in shell (1), be fixed with circulating device (2) on auxiliary stirring device (3), circulating device (2) and shell (1) fixed connection, circulating device (2) include: circulation pipe (2-1), motor (2-2), feed pump (2-3), screw board (2-4), discharge cover (2-5), block water (2-6) and stirring rake (2-7), shell (1) upper end is fixed with motor (2-2), motor (2-2) output shaft rotates and penetrates shell (1) top surface to with circulation pipe (2-1) fixed connection, circulation pipe (2-1) inside is fixed with feed pump (2-3), feed pump (2-3) feed end sets up outside circulation pipe (2-1), circulation pipe (2-1) inside is fixed with screw board (2-4), screw board (2-4) are located feed pump (2-3) discharge end below, be provided with discharge cover (2-5) below discharge cover (2-5) internal fixation block water (2-6), block water (2-6) are located discharge cover (2-5) below, circulation pipe (2-1) are fixed with stirring rake (7) in week, one side is fixed with stirring rake (2-7).

2. The device for lithium battery sizing according to claim 1, wherein: the upper end of the shell (1) is provided with a feeding and discharging port (1-1).

3. The device for lithium battery sizing according to claim 1, wherein: the water blocking blocks (2-6) are arranged in a conical shape.

4. A lithium battery paste mixing device according to claim 3, wherein: the auxiliary stirring device (3) comprises: the novel stirring paddle comprises a fixed ring (3-1), a sun gear (3-2), planet gears (3-3), supporting columns (3-4) and stirring paddles II (3-5), wherein the fixed ring (3-1) is fixed on the inner bottom surface of a shell (1), the sun gear (3-2) is rotationally connected to the circle center of the fixed ring (3-1), the lower end of a water blocking block (2-6) is fixedly connected with the end face of the sun gear (3-2) through a rotating shaft, teeth are arranged on the inner side face of the fixed ring (3-1), the planet gears (3-3) are meshed with the fixed ring (3-1) and meshed with the sun gear (3-2), the planet gears (3-3) are arranged in three, the planet gears (3-3) are uniformly distributed by taking the sun gear (3-2) as the center, one supporting column (3-4) is vertically fixed on each planet gear (3-3), and a plurality of stirring paddles II (3-5) are fixed on the supporting columns (3-4).