CN211887341U

CN211887341U - Crushing equipment for lithium ion battery cathode preparation

Info

Publication number: CN211887341U
Application number: CN202020417515.2U
Authority: CN
Inventors: 仰永军; 覃钰
Original assignee: Guangdong Kaijin New Energy Technology Co Ltd
Current assignee: Guangdong Kaijin New Energy Technology Co Ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-11-10
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a crushing device for preparing a lithium ion battery cathode, which comprises a box body, wherein a primary crushing cavity and a secondary crushing cavity are arranged in the box body, the primary crushing cavity and the secondary crushing cavity are arranged up and down, a filter screen is arranged between the bottom end of the primary crushing cavity and the top end of the secondary crushing cavity, the top end of the box body is provided with a crushing motor, an output shaft of the crushing motor is connected with a rotating main shaft, the rotating main shaft penetrates through the primary crushing cavity and the secondary crushing cavity, the part of the rotating main shaft, which is positioned in the primary crushing cavity, is provided with a mounting sleeve, the periphery of the mounting sleeve is provided with crushing blades, the part of the rotating main shaft, which is positioned in the secondary crushing cavity, is provided with a main grinding column, the utility model discloses a primary crushing cavity and a secondary crushing cavity are arranged, a plurality of groups of crushing blades in the primary crushing cavity are utilized to carry out primary crushing, the double crushing can ensure that the crushing effect meets the requirement.

Description

Crushing equipment for lithium ion battery cathode preparation

Technical Field

The utility model relates to a crushing equipment, in particular to crushing equipment for lithium ion battery negative pole preparation belongs to lithium ion battery technical field.

Background

Lithium batteries (Lithium batteries) refer to batteries in which the electrochemical system contains Lithium (including metallic Lithium, Lithium alloys and Lithium ions, Lithium polymers). Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium batteries are widely used in electronic instruments, digital products and household electrical appliances due to their many advantages. Since the birth of lithium ion batteries, there are two main types of negative electrode materials studied: a battery negative electrode is generally prepared using a graphitized carbon material among carbon-based negative electrode materials (graphitized carbon material and amorphous carbon material) and non-carbon-based materials (nitride, silicon-based material, tin-based material, and the like).

When the graphitized carbon material is used for preparing the battery cathode, the graphitized carbon material needs to be crushed to the required fine degree so as to facilitate subsequent processing, but the crushing effect of the existing crushing equipment is poor, so that unqualified particle sizes exist in processed particles, and the subsequent processing effect is influenced. Therefore, the crushing equipment for preparing the lithium ion battery cathode is provided by improving the device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a crushing apparatus is used in preparation of lithium ion battery negative pole to when solving the graphitized carbon material preparation battery negative pole that proposes in the above-mentioned background art, need carry out broken required fine and smooth degree with graphitized carbon material, so that subsequent processing, but current crushing apparatus crushing effect is relatively poor, makes to have unqualified particle size in the particulate matter after the processing, influences the problem of subsequent processing effect.

In order to achieve the above object, the utility model provides a following technical scheme: a crushing device for preparing a lithium ion battery cathode comprises a box body, wherein a primary crushing cavity and a secondary crushing cavity are arranged in the box body, the primary crushing cavity and the secondary crushing cavity are arranged up and down, a filter screen is arranged between the bottom end of the primary crushing cavity and the top end of the secondary crushing cavity, a crushing motor is arranged at the top end of the box body, an output shaft of the crushing motor is connected with a rotating main shaft, the rotating main shaft penetrates through the primary crushing cavity and the secondary crushing cavity, a mounting sleeve is arranged at the part of the rotating main shaft, which is positioned in the primary crushing cavity, a crushing blade is arranged on the periphery of the mounting sleeve, a plurality of groups of crushing blades are arranged, a main grinding column is arranged at the part of the rotating main shaft, which is positioned in the secondary crushing cavity, a reverse grinding sleeve matched with the main grinding column is arranged on the inner wall of the secondary crushing cavity, a discharging port is, the side of the box body is provided with a power box for driving the reverse grinding sleeve, the box body is provided with an observation window, and the top ends of the main grinding column and the reverse grinding sleeve are inclined.

As a preferred technical scheme of the utility model, be equipped with external motor and linkage gear in the power box, the output shaft and the linkage gear connection of external motor, power box and linkage gear connection, the position that the power box is located linkage gear is equipped with the opening, the rotation opposite direction of external motor and crushing motor.

As a preferred technical scheme of the utility model, the edge that main grinding post and reverse grinding overlapped all is provided with grinds the recess and grinds the dogtooth, grind the recess and grind the setting of dogtooth interval, and grind the recess and grind the dogtooth and all be equipped with the multiunit.

As a preferred technical scheme of the utility model, in the grinding dogtooth of reverse grinding cover was arranged in to the grinding recess of main grinding post, and the main grinding recess of grinding post and the contactless between the grinding dogtooth of reverse grinding cover, the grinding recess of reverse grinding cover is arranged in the grinding dogtooth of main grinding post, and contactless between the grinding recess of reverse grinding cover and the grinding dogtooth of main grinding post.

As an optimal technical scheme of the utility model, the grinding recess and the grinding dogtooth of main grinding column and the grinding recess and the grinding dogtooth of reverse grinding cover form between the grinding dogtooth and grind the chamber.

As a preferred technical scheme of the utility model, the outer wall of reverse grinding cover is equipped with external ring gear, external ring gear runs through the box, external ring gear and linkage gear engagement.

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

1. the utility model relates to a crushing equipment is used in preparation of lithium ion battery negative pole smashes chamber and second grade and smashes the chamber through setting up the one-level in the box, utilizes the one-level to smash the broken blade of intracavity multiunit and carry out elementary breakage to the material during use, and the granule that reaches primary broken standard enters into the second grade through the filter screen and smashes the intracavity, utilizes the main grinding post and the reverse cover of grinding of smashing the intracavity of second grade to grind, can guarantee crushing effect through double crushing and reach the demand, guarantees broken degree.

2. The utility model relates to a crushing equipment is used in preparation of lithium ion battery negative pole, utilize crushing motor to drive through the main grinding column with the intracavity is smashed to the second grade, and will grind post assorted reverse grinding cover outer wall with main and set up external ring gear, with the linkage gear connection of external ring gear and external motor, the rotation opposite direction of smashing motor and external motor simultaneously, thereby make the main rotation opposite direction who grinds between post and the reverse grinding cover, make the particulate matter of arranging in and grinding the intracavity receive the effect of two kinds of opposite forces, make the grinding effect better.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is an enlarged schematic view of the a position of the present invention.

In the figure: 1. a grinding motor; 2. a box body; 3. a primary crushing cavity; 4. a filter screen; 5. a secondary crushing cavity; 6. a main grinding column; 7. an external gear ring; 8. reversely grinding the sleeve; 9. a feeding port; 10. an external motor; 11. a linkage gear; 12. a power cartridge; 13. installing a sleeve; 14. crushing the blade; 15. a grinding chamber; 16. rotating the main shaft; 17. a feed inlet; 18. an observation window; 19. grinding the groove; 20. and grinding the convex teeth.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a crushing apparatus for lithium ion battery cathode preparation, comprising a box body 2, a primary crushing cavity 3 and a secondary crushing cavity 5 are arranged in the box body 2, the primary crushing cavity 3 and the secondary crushing cavity 5 are arranged up and down, a filter screen 4 is arranged between the bottom of the primary crushing cavity 3 and the top of the secondary crushing cavity 5, a crushing motor 1 is arranged at the top of the box body 2, an output shaft of the crushing motor 1 is connected with a rotating main shaft 16, the rotating main shaft 16 penetrates through the primary crushing cavity 3 and the secondary crushing cavity 5, a mounting sleeve 13 is arranged at the part of the rotating main shaft 16 located at the primary crushing cavity 3, a crushing blade 14 is arranged at the periphery of the mounting sleeve 13, a plurality of groups of crushing blades 14 are arranged, a main grinding column 6 is arranged at the part of the rotating main shaft 16 located at the secondary crushing cavity 5, a reverse grinding sleeve 8 matched with the main grinding column 6 is arranged at, the bottom that box 2 is located second grade crushing chamber 5 is equipped with feed opening 9, the side that box 2 is located crushing motor 1 sets up

feed inlet

17, 2 sides of box are equipped with the power box 12 that is used for driving reverse grinding cover 8, be equipped with observation window 18 on box 2, main grinding column 6 and the top of reverse grinding cover 8 are the slope form.

Preferably, an external motor 10 and a linkage gear 11 are arranged in the power box 12, an output shaft of the external motor 10 is connected with the linkage gear 11, the power box 12 is connected with the linkage gear 11, an opening is formed in the position, located at the linkage gear 11, of the power box 12, the external motor 10 and the grinding motor 1 are opposite in rotation direction, and two sets of forces opposite in operation direction are utilized to enable particles placed in the grinding cavity 15 to be subjected to two opposite forces to achieve a better grinding effect.

Preferably, the edges of the main grinding column 6 and the reverse grinding sleeve 8 are provided with grinding grooves 19 and grinding convex teeth 20, the grinding grooves 19 and the grinding convex teeth 20 are arranged at intervals, and the grinding grooves 19 and the grinding convex teeth 20 are provided with multiple groups, the grinding grooves 19 of the main grinding column 6 are arranged in the grinding convex teeth 20 of the reverse grinding sleeve 8, the grinding grooves 19 of the main grinding column 6 are not in contact with the grinding convex teeth 20 of the reverse grinding sleeve 8, the grinding grooves 19 of the reverse grinding sleeve 8 are arranged in the grinding convex teeth 20 of the main grinding column 6, the grinding grooves 19 of the reverse grinding sleeve 8 are not in contact with the grinding convex teeth 20 of the main grinding column 6, and the grinding cavities 15 formed by the grinding grooves 19 and the grinding convex teeth 20 which are staggered mutually are utilized to present a winding shape.

Preferably, a grinding cavity 15 is formed between the grinding groove 19 and the grinding convex tooth 20 of the main grinding column 6 and the grinding groove 19 and the grinding convex tooth 20 of the reverse grinding sleeve 8, and the grinding cavity 15 with the shape enables longer grinding time and better grinding effect.

Preferably, the outer wall of the reverse grinding sleeve 8 is provided with an external gear ring 7, the external gear ring 7 penetrates through the box body 2, the external gear ring 7 is meshed with the linkage gear 11, and the external gear ring 7 is meshed with the linkage gear 11 to enable the reverse grinding sleeve 8 to rotate.

When the crushing equipment is used, the utility model relates to a lithium ion battery negative pole preparation is with crushing equipment, the material that will prepare to break is thrown into the one-level crushing chamber 3 of box 2 through the feed inlet 17 on box 2 top, external motor 10 in the start grinding motor 1 and the power box 12, grinding motor 1 drives the rotation main shaft 16 and carries out the rapid rotation, thereby give to drive the crushing blade 14 and the main grinding post 6 that install on rotation main shaft 16 and rotate, after the material gets into one-level crushing chamber 3, utilize multiunit rapid rotation crushing blade 14 to carry out the breakage, wherein the granule that reaches the standard after the breakage will pass through filter screen 4 and enter into second grade crushing chamber 5, the granule that reaches the standard is left in first grade crushing chamber 3 under the effect of filter screen 4, receive multiunit crushing blade 14 and continue to break it, until reaching the standard and falling into second grade crushing chamber 5, after the granule that passes through the primary breakage enters into second grade crushing chamber 5, will fall on the upper end of the main grinding column 6 and the reverse grinding sleeve 8, because the upper end of the main grinding column 6 and the reverse grinding sleeve 8 adopts descending inclination, the falling particles will smoothly enter into the grinding cavity 15 between the main grinding column 6 and the reverse grinding sleeve 8, and grind by using the grinding grooves 19 and the grinding convex teeth 20 which are mutually staggered, because the external gear ring 7 is arranged on the reverse grinding sleeve 8 in the secondary grinding cavity 5, and the external gear ring 7 is meshed with the linkage gear 11 driven by the external motor 10, so that the rotation of the external motor 10 will drive the reverse grinding sleeve 8 to rotate, and the rotation directions of the grinding motor 1 and the external motor 10 are opposite, so that the rotation direction of the reverse grinding sleeve 8 linked with the main grinding column 6 and the external motor 10 linked with the grinding motor 1 is opposite, and the particles placed in the grinding cavity 15 are acted by two opposite forces, the grinding effect is better, the crushing effect can be guaranteed to meet the requirement through double crushing, and the crushing degree is guaranteed.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a crushing equipment is used in preparation of lithium ion battery negative pole, includes box (2), its characterized in that, be equipped with one-level crushing chamber (3) and second grade crushing chamber (5) in box (2), one-level crushing chamber (3) and second grade crushing chamber (5) set up from top to bottom, set up filter screen (4) between the bottom of one-level crushing chamber (3) and the top of second grade crushing chamber (5), the top of box (2) sets up crushing motor (1), the output shaft of crushing motor (1) rotates main shaft (16), it runs through one-level crushing chamber (3) and second grade crushing chamber (5) to rotate main shaft (16), the part that rotates main shaft (16) and is located one-level crushing chamber (3) is equipped with installation cover (13), installation cover (13) periphery is equipped with crushing blade (14), crushing blade (14) are equipped with the multiunit, the grinding machine is characterized in that a main grinding column (6) is arranged on a part, located in a secondary grinding cavity (5), of the rotating main shaft (16), a reverse grinding sleeve (8) matched with the main grinding column (6) is arranged on the inner wall of the secondary grinding cavity (5), a feed opening (9) is arranged at the bottom end, located in the secondary grinding cavity (5), of the box body (2), a feed opening (17) is formed in the side face, located in a grinding motor (1), of the box body (2), a power box (12) used for driving the reverse grinding sleeve (8) is arranged on the side of the box body (2), an observation window (18) is formed in the box body (2), and the top ends of the main grinding column (6) and the reverse grinding sleeve (8) are inclined.

2. The crushing equipment for preparing the lithium ion battery cathode according to claim 1, wherein the crushing equipment comprises: the grinding machine is characterized in that an external motor (10) and a linkage gear (11) are arranged in the power box (12), an output shaft of the external motor (10) is connected with the linkage gear (11), the power box (12) is connected with the linkage gear (11), an opening is formed in the position, located on the linkage gear (11), of the power box (12), and the external motor (10) and the grinding motor (1) are opposite in rotating direction.

3. The crushing equipment for preparing the lithium ion battery cathode according to claim 1, wherein the crushing equipment comprises: the edge of the main grinding column (6) and the edge of the reverse grinding sleeve (8) are both provided with grinding grooves (19) and grinding convex teeth (20), the grinding grooves (19) and the grinding convex teeth (20) are arranged at intervals, and the grinding grooves (19) and the grinding convex teeth (20) are both provided with multiple groups.

4. The crushing equipment for preparing the lithium ion battery cathode according to claim 3, wherein the crushing equipment comprises: the grinding groove (19) of the main grinding column (6) is arranged in the grinding convex tooth (20) of the reverse grinding sleeve (8), the grinding groove (19) of the main grinding column (6) is not in contact with the grinding convex tooth (20) of the reverse grinding sleeve (8), the grinding groove (19) of the reverse grinding sleeve (8) is arranged in the grinding convex tooth (20) of the main grinding column (6), and the grinding groove (19) of the reverse grinding sleeve (8) is not in contact with the grinding convex tooth (20) of the main grinding column (6).

5. The crushing equipment for preparing the lithium ion battery negative electrode according to claim 4, wherein the crushing equipment comprises: and a grinding cavity (15) is formed between the grinding groove (19) and the grinding convex tooth (20) of the main grinding column (6) and the grinding groove (19) and the grinding convex tooth (20) of the reverse grinding sleeve (8).

6. The crushing equipment for preparing the lithium ion battery cathode according to claim 1, wherein the crushing equipment comprises: the outer wall of the reverse grinding sleeve (8) is provided with an external gear ring (7), the external gear ring (7) penetrates through the box body (2), and the external gear ring (7) is meshed with the linkage gear (11).