CN212215299U

CN212215299U - Graphite negative electrode material kneading device

Info

Publication number: CN212215299U
Application number: CN202020088316.1U
Authority: CN
Inventors: 曾年根
Original assignee: Jiangxi Luda New Energy Technology Co ltd
Current assignee: Jiangxi Luda New Energy Technology Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-12-25
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses a graphite negative-electrode material thoughtlessly holds between fingers device, its technical scheme main points are, a graphite negative-electrode material thoughtlessly holds between fingers device, including thoughtlessly holding between the fingers the pot, thoughtlessly holding between the fingers the pot and for cylindrical inner chamber design, the bottom surface is fixed to set up support frame and discharge gate, and the roof is fixed with the motor, and the lateral wall is equipped with feed inlet, its characterized in that: the utility model discloses a mixing pot, including the bottom of the pot, the bottom of the pot is provided with the baffle, the baffle is provided with the drive assembly, the baffle is provided with the mixing pot inner chamber, and the baffle upper end cavity is provided with drive assembly, the motor output is connected with the drive assembly input, baffle lower extreme cavity is provided with the mixing pot subassembly, the mixing pot subassembly input is connected with the drive assembly output transmission, drives drive assembly through the motor, and the planet wheel that drive assembly set up is circular rotary motion around the sun gear, drives central roller and changes the roller and rotate relatively, and the negative pole material that makes the entering obtains effectively mixing through the crisscross.

Description

Graphite negative electrode material kneading device

Technical Field

The utility model relates to a lithium cell production and processing technology field particularly, relates to a graphite negative electrode material thoughtlessly holds between fingers device.

Background

A lithium metal battery is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material. With the progress of the electronic technology in the twenty-first century, lithium batteries have been rapidly developed and have made higher demands on the battery technology. At present, the lithium battery mainly uses graphite micropowder with the particle size of 3-30 mu m as a material of a negative electrode of the lithium battery. During the production process of the graphite cathode material, the milled graphite micro powder and other organic and inorganic additives are often required to be kneaded to be uniformly mixed with each other. In the existing kneading technology, an additive is directly put into a kneading pot filled with graphite micropowder and is stirred and mixed under the rotation of double stirring knives, and the problems of nonuniform kneading and low kneading efficiency exist in the kneading process.

Therefore, a graphite anode material kneading device is provided.

Disclosure of Invention

The main object of the utility model is to provide a graphite negative electrode material thoughtlessly holds between fingers device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the purpose, the utility model provides a graphite anode material kneading device, which comprises a kneading pot, the kneading pot is designed into a cylindrical inner cavity, a support frame and a discharge hole are fixedly arranged on the bottom surface, a motor is fixedly arranged on the top wall, a feed hole is arranged on the side wall, the inner cavity of the kneading pot is divided into two chambers by a partition board, the chamber at the upper end of the partition board is provided with a transmission assembly, the output end of the motor is connected with the input end of the transmission assembly, the cavity at the lower end of the partition board is provided with a kneading assembly, the input end of the kneading component is in transmission connection with the output end of the transmission component and comprises a central roller, a rotating roller, a kneading plate, a sweeping rod and a rotating plate, one end of the central roller and one end of the rotary roller are connected with the transmission assembly, the other end of the central roller and the other end of the rotary roller are connected with the rotary plate, the rotary plate is movably arranged at the bottom of the kneading pot, and kneading plates are fixed on the central roller and the rotary roller and are arranged in a staggered mode.

The utility model discloses improve further, drive assembly sets up in baffle upper end cavity, including transmission shaft, sun gear, planet wheel, circular rack and baffle, transmission shaft one end is worn to establish and is thoughtlessly held between the fingers the pot and be connected with motor drive, and the other end is fixed with the sun gear, the sun gear meshing has the planet wheel, planet wheel other end meshing circular rack, the circular rack is fixed in and thoughtlessly holds between the fingers pot inner chamber upper end.

The utility model discloses improve further, the planet wheel is 3, it wears to establish the baffle and is connected with the transmission of planet wheel lower terminal surface to change the roller.

The utility model discloses improve further, the baffle activity sets up terminal surface under the planet wheel, is located baffle center groove department, follows the drive assembly and rotates, the baffle is provided with the through-hole, and its number is for changeing the sum of roller quantity and center roll quantity.

The utility model discloses improve further, the kneading board is a set of to be fixed in on central roller and the commentaries on classics roller lateral wall for 4 circumferences, the kneading board is the design of cavity board type, and the terminal surface is the fillet setting about it, and the biggest rotation range diameter of kneading board equals with the inner chamber diameter.

The utility model discloses improve further, the change roller lower extreme is equipped with sweeps the pole, sweep under the pole terminal surface and mix and hold between the fingers the pot inner chamber bottom surface parallel.

The utility model discloses improve further, the support frame bottom is equipped with protruding foot, protruding foot is provided with the set screw.

Use the technical scheme of the utility model, beneficial effect is: drive transmission assembly through the motor, the planet wheel that transmission assembly set up is circular rotary motion around the sun gear, drives central roller and changes the roller and rotate relatively, and the negative pole material that makes the entering through the board crisscross operation each other of holding between the fingers on the roller is evenly kneaded and is held between the fingers, and central roller and commentaries on classics roller are mutually supported in addition, have increased the area of contact of the board of holding between the fingers with the material, realize improving the effect of the efficiency of kneading and holding between the fingers.

To sum up, this novel structural design is reasonable.

Drawings

The accompanying drawings, which form a part of the present application, 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 and not to limit the invention. In the drawings:

fig. 1 shows an overall perspective view of the present invention;

FIG. 2 shows a kneading structure diagram of the present invention;

FIG. 3 shows a transmission assembly structure of the present invention;

figure 4 shows a baffle schematic of the present invention;

figure 5 shows a schematic view of the kneading assembly of the present invention;

fig. 6 shows a schematic cross-sectional view of the kneading pot body of the present invention.

Wherein the figures include the following reference numerals:

10. kneading a pot; 11 a feed inlet; 12. a discharge port; 13. a partition plate; 14. a support frame; 20. a transmission assembly; 21. a motor; 22. a drive shaft; 23. a sun gear; 24. a planet wheel; 25. a circular inner rack; 26. a baffle plate; 30. a kneading assembly; 31. a center roller; 32. rotating the roller; 33. kneading a plate; 34. sweeping the rod; 35. and rotating the plate.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application 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.

As shown in fig. 1 to 6, the utility model provides a graphite cathode material kneading device, which comprises a kneading pot 10, wherein the kneading pot 10 is designed as a cylindrical inner cavity, a support frame 14 and a discharge port 12 are fixedly arranged on the bottom surface, a motor 21 is fixed on the top wall, a feed port 11 is arranged on the side wall, the inner cavity of the kneading pot 10 is divided into two cavities by a partition plate 13, the cavity at the upper end of the partition plate 13 is provided with a transmission component 20, the output end of the motor 21 is connected with the input end of the transmission component 20, the cavity at the lower end of the partition plate 13 is provided with a kneading component 30, the input end of the kneading component 30 is in transmission connection with the output end of the transmission component 20, and comprises a central roller 31, a rotating roller 32, a kneading plate 33, a sweeping rod 34 and a rotating plate 35, one end of the central roller 31 and one end of the rotating roller 32 are connected with the transmission component 20, the other end, the kneading plates 33 are arranged in a staggered manner.

By applying the technical scheme of the embodiment, the motor 21 is arranged in the center of the upper wall of the kneading pot 10, the model of the motor 21 is Y100L1-4, the output shaft of the motor 21 is connected with the transmission component 20, the transmission component 20 is in transmission connection with the kneading component 30, so that the kneading component 30 rotates in the inner cavity of the kneading pot 10, and the kneading plates 33 are mutually staggered and kneaded through the rotation of the kneading component 30, so that the cathode material is uniformly kneaded. And the central roller 31 and the rotating roller 32 are mutually matched, so that the contact area of the kneading plate and the negative electrode material is increased, and the effect of improving the kneading efficiency is realized.

As shown in fig. 6, the kneading pot 10 is divided into an upper chamber and a lower chamber by a partition 13, wherein the partition 13 is designed as a hollow groove, a rotatable baffle 26 is movably arranged at the groove, and the partition 13 is provided with a plurality of through holes, so that the kneading assembly 30 can be connected with the transmission assembly 20 through the through holes; the combination of the baffle 26 and the partition 13 forms a blocking plate for isolating the two chambers, which can effectively isolate the cathode material in the kneading pot 10 from entering the transmission assembly 20 and causing mechanical damage.

As shown in fig. 2 or fig. 3, a transmission assembly 20 is arranged in a chamber at the upper end of the partition 13, the transmission assembly 20 includes a transmission shaft 22, a sun gear 23, a planet gear 24, a circular rack 25 and a baffle 26, the transmission shaft 22 is arranged in the center of the upper wall of the chamber of the kneading pot 10, one end of the transmission shaft penetrates through the kneading pot 10 and is in transmission connection with the motor 21, the other end of the transmission shaft is fixedly connected with the sun gear 23, the sun gear 23 is fixed to rotate, the sun gear 23 is meshed with 3 planet gears 24, the other end of the planet gear 24 is meshed with the circular rack 25, the inner cavity of the kneading pot 10 is fixed by the rack.

As shown in fig. 2, the rotating roller 32 and the central roller 31 of the kneading assembly 30 are connected to the lower end surfaces of the planetary gear 24 and the sun gear 23 through the baffle 26, so that the transmission assembly 20 drives the kneading assembly 30 to move, the rotating plate 35 of the kneading assembly 30 is installed at the groove on the bottom surface of the inner cavity of the kneading pot 10, and the rotating plate 35 can play a role in stabilizing the central roller 31 and the rotating roller 32 when the kneading plate 33 works, so as to prevent the central roller 31 and the rotating roller 32 from shifting and deforming.

As shown in fig. 2, a set of 4 kneading plates 33 is provided, the circumference of each kneading plate 33 is fixed on the side walls of the central roller 31 and the rotating roller 32, the kneading plates 33 are designed to be hollow, part of the material can pass through the hollow part, the other part of the material is driven by the kneading plates 33 to displace, the kneading plates 33 moving at different angles can knead the material, the upper end surface and the lower end surface of each kneading plate 33 are arranged to be rounded corners, the material driven by the kneading plates 33 can be extruded and deformed when the kneading plates 33 of the rotating roller 32 and the central roller 31 are crossed, so as to complete kneading, the maximum rotating range diameter of the kneading plates 33 is equal to the diameter of the inner cavity, the lower end of the rotating roller 32 is provided with a sweeping rod 34, the lower end surface of the sweeping rod 34 is parallel to the bottom surface of the inner cavity of the kneading pot 10, so that the material can be driven by the kneading plates 33 on the rotating roller.

The bottom end of the supporting frame 14 is provided with a convex foot which is provided with a fixing screw, so that the kneading pot 10 is fixed, and the vibration displacement generated by the kneading pot 10 when the kneading assembly 30 works is avoided.

From the above description, it can be seen that the specific using method and operation principle of the above-mentioned embodiments of the present invention are as follows: firstly, the cathode material and the additive are simultaneously placed into the inner cavity of the kneading pot 10 from the feeding hole 11, then the operation of the motor 21 drives the transmission device, the sun wheel 23 in the transmission device makes a fixed rotation movement to drive the peripheral planet wheels 24 to make a circular rotation movement around the circular rack 25, then the center roller 31 in transmission connection with the sun wheel 23 is driven to operate with the rotating roller 32 connected with the planet wheels 24, then the kneading operation of the kneading work is started to be mutually staggered through the kneading plates 33 arranged on the center roller 31 and the rotating roller 32 in a staggered manner, finally, after a certain kneading degree is reached, the discharging hole 12 is opened, the cathode material is cleaned to the discharging hole 12 through the sweeping rod 34 on the rotating roller 32 and then is discharged, and the whole kneading process is completed.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A graphite anode material kneading device comprises

Thoughtlessly hold between the fingers pot (10), thoughtlessly hold between the fingers pot (10) for cylindrical inner chamber design, the bottom surface is fixed to be set up support frame (14) and discharge gate (12), and the roof is fixed with motor (21), and the lateral wall is equipped with feed inlet (11), its characterized in that: the inner cavity of the kneading pot (10) is divided into two chambers by a partition plate (13), the chamber at the upper end of the partition plate (13) is provided with a transmission assembly (20), the output end of the motor (21) is connected with the input end of the transmission component (20), the cavity at the lower end of the partition plate (13) is provided with a kneading component (30), the input end of the kneading component (30) is in transmission connection with the output end of the transmission component (20), the kneading component (30) comprises a central roller (31), a rotating roller (32), a kneading plate (33), a sweeping rod (34) and a rotating plate (35), one end of the central roller (31) and one end of the rotating roller (32) are connected with the transmission assembly (20), the other end of the central roller and the other end of the rotating roller are connected with the rotating plate (35), the rotating plate (35) is movably arranged at the bottom of the kneading pot (10), the central roller (31) and the rotating roller (32) are fixedly provided with kneading plates (33), and the kneading plates (33) are arranged in a staggered manner.

2. The kneading device for graphite anode materials according to claim 1, characterized in that: drive assembly (20) set up in baffle (13) upper end cavity, drive assembly (20) include transmission shaft (22), sun gear (23), planet wheel (24), circular rack (25) and baffle (26), transmission shaft (22) one end is worn to establish and is thoughtlessly held between the fingers pot (10) and motor (21) transmission and be connected, and the other end is fixed with sun gear (23), sun gear (23) meshing has planet wheel (24), planet wheel (24) other end meshing circular rack (25), circular rack (25) are fixed in and are thoughtlessly held between the fingers pot (10) inner chamber upper end.

3. The kneading device for graphite anode materials according to claim 2, characterized in that: the number of the planet wheels (24) is 3, and the rotary roller (32) penetrates through the baffle plate (26) and is in transmission connection with the lower end face of the planet wheel (24).

4. The kneading apparatus for graphite anode material according to claim 2 or 3, characterized in that: the baffle (26) is movably arranged on the lower end face of the planet wheel (24), is positioned at the central groove of the partition (13) and rotates along with the transmission assembly (20), and through holes are formed in the baffle (26), and the number of the through holes is the sum of the number of the rotating rollers (32) and the number of the central rollers (31).

5. The kneading device for graphite anode materials according to claim 1, characterized in that: the kneading plate (33) is fixed on the side walls of the central roller (31) and the rotating roller (32) by a group of 4 circumferences, the kneading plate (33) is designed into a hollow plate shape, the upper end surface and the lower end surface of the kneading plate are arranged into round corners, and the diameter of the maximum rotating range of the kneading plate (33) is equal to the diameter of the inner cavity.

6. The kneading device for graphite anode materials according to claim 1, characterized in that: the lower end of the rotating roller (32) is provided with a sweeping rod (34), and the lower end surface of the sweeping rod (34) is parallel to the bottom surface of the inner cavity of the kneading pot (10).

7. The kneading device for graphite anode materials according to claim 1, characterized in that: the bottom end of the support frame (14) is provided with a convex foot, and the convex foot is provided with a fixing screw.