CN213825277U

CN213825277U - Graphite smashing device for lithium battery recovery

Info

Publication number: CN213825277U
Application number: CN202022455148.8U
Authority: CN
Inventors: 曹阳
Original assignee: Beijing Bailigeri Resources Technology Co ltd
Current assignee: Beijing Bailigeri Resources Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-07-30
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a lithium cell is retrieved and is smashed with graphite powder device relates to lithium cell and retrieves technical field. The utility model discloses a base plate, the hole has been seted up to the base plate upper end, is equipped with the filter screen in the hole, is equipped with crushing platform in the filter screen, and the side normal running fit of crushing platform week has broken ring. The utility model discloses a normal running fit has broken ring in broken piece week side, broken piece outside annular array has the first notch of multiunit, broken piece inside annular array has the second notch that multiunit and first notch correspond, and the first notch of multiunit, the first notch of every group that makes progress is down followed to the second notch, second notch diameter crescent, interval crescent from making progress down between broken piece and the broken ring, the graphite pole of being convenient for is by first notch, the crowded garrulous of second notch, then gliding in the same direction as the broken piece outside, then more garrulous, and then improved crushing effect and crushing effect, the effect of the extrusion roller extrusion with the different extrusion groove of a plurality of different intervals is equivalent.

Description

Graphite smashing device for lithium battery recovery

Technical Field

The utility model belongs to the technical field of the lithium cell is retrieved, especially relate to a lithium cell is retrieved and is smashed with graphite powder device.

Background

A "lithium battery" is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. Lithium metal batteries were first proposed and studied by Gilbert n.lewis in 1912. In the 70 s of the 20 th century, m.s.whitetingham proposed and began to study lithium ion batteries. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of scientific technology, lithium batteries have become the mainstream.

Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. Due to its own high technical requirement limits, only a few countries of companies are producing such lithium metal batteries.

Principal material

Carbon negative electrode materials, which have been practically used for lithium ion batteries, are basically carbon materials such as artificial graphite, natural graphite, mesocarbon microbeads, petroleum coke, carbon fibers, pyrolytic resin carbon, and the like.

The smashing of the graphite rod is an essential step in lithium battery recycling, but the smashing efficiency of the existing graphite rod is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a graphite reducing mechanism for lithium cell recovery, there is broken ring through at the annular cooperation of broken table week side, broken table outside annular array has the first notch of multiunit, broken table inside annular array has the second notch that multiunit and first notch correspond, and the first notch of multiunit, the first notch of every group that makes progress is followed to the second notch, second notch diameter crescent, interval crescent from the bottom up between broken table and the broken ring, be convenient for the graphite pole by first notch, the crowded garrulous of second notch, then slide in the broken table outside, then more garrulous, and then improved crushing effect and crushing effect, the effect of extrusion of the squeeze roll with the different extrusion grooves of a plurality of different intervals, through having installed the heat conduction pole in the broken table upper end, be equipped with the cavity in the heat conduction pole, be equipped with the heater in the cavity, be convenient for dry graphite pole, it adheres to reduce the graphite pole piece and adheres to in first notch, The intraoral probability of second notch is through being equipped with the ring in broken ring upper end, and the ring inboard is equipped with a plurality of baffles, is convenient for improve the dry degree of consistency of graphite pole, has solved the problem that exists among the above-mentioned prior art.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

a graphite crushing device for lithium battery recovery comprises a base plate, wherein a hole is formed in the upper end of the base plate, a filter screen is arranged in the hole, a crushing table is arranged in the filter screen, a crushing ring is rotationally matched on the periphery of the crushing table, multiple groups of first notches are arranged in an annular array on the outer side of the crushing table, multiple groups of second notches corresponding to the first notches are arranged in an annular array on the inner side of the crushing table, the diameters of the first notches and the second notches in each group are gradually increased from bottom to top, and the distance between the crushing table and the crushing ring is gradually increased from bottom to top;

the heat conducting rod is installed at the upper end of the crushing table, a cavity is arranged in the heat conducting rod, a heater is arranged in the cavity, a circular ring is arranged at the upper end of the crushing ring, and a plurality of baffles are arranged on the inner side of the circular ring.

Optionally, the outer side of the crushing ring is attached to the inner side of the hole.

Optionally, one side of the baffle, which is far away from the circular ring, is attached to the outer side of the heat conducting rod.

Optionally, the crushing table is of a round table structure, and the crushing ring is of a hollow round table structure.

Optionally, a feed hopper is arranged at the upper end of the ring.

Optionally, a first gear is sleeved on the periphery of the crushing ring, a motor is installed at the upper end of the base plate, and a second gear is arranged at the upper end of the motor.

The embodiment of the utility model has the following beneficial effect:

the utility model discloses an embodiment is through having the broken ring at the cooperation of the rotation of broken table week side, broken table outside annular array has multiunit first notch, broken table inside annular array has multiunit second notch corresponding with first notch, and multiunit first notch, second notch from bottom to top every group first notch, second notch diameter increase gradually, the interval between broken table and the broken ring from bottom to top increases gradually, be convenient for the graphite rod by first notch, the second notch is crowded garrulous, then slide down along the broken table outside, then garrulous more and more, and then improved crushing effect and crushing effect, the effect that is equivalent to the extrusion roller extrusion of a plurality of different extrusion grooves of interval, through installing the heat conduction pole in the broken table upper end, be equipped with the cavity in the heat conduction pole, be equipped with the heater in the cavity, be convenient for dry graphite rod, reduce the graphite rod piece and adhere to first notch, the intraoral probability of second notch, through being equipped with the ring in the broken ring upper end, the ring inboard is equipped with a plurality of baffles, is convenient for improve the dry degree of consistency of graphite pole.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

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 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a schematic view of a baffle plate according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of an embodiment of the present invention.

Wherein the figures include the following reference numerals:

the device comprises a base plate 1, a filter screen 2, a crushing table 3, a crushing ring 4, a first notch 5, a second notch 6, a heat conducting rod 7, a cavity 8, a heater 9, a circular ring 10, a baffle 11, a first gear 13, a motor 14 and a second gear 15.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

Referring to fig. 1-3, in the present embodiment, there is provided a graphite crushing device for lithium battery recycling, including: the crushing device comprises a substrate 1, wherein a hole is formed in the upper end of the substrate 1, a filter screen 2 is arranged in the hole, a crushing table 3 is arranged in the filter screen 2, a crushing ring 4 is rotationally matched on the periphery of the crushing table 3, a plurality of groups of first notches 5 are arranged on the outer side of the crushing table 3 in an annular array mode, a plurality of groups of second notches 6 corresponding to the first notches 5 are arranged on the inner side of the crushing ring 4 in an annular array mode, the diameters of the first notches 5 and the second notches 6 of each group are gradually increased from bottom to top, and the distance between the crushing table 3 and the crushing ring 4 is gradually increased from bottom to top;

the upper end of the crushing table 3 is provided with a heat conducting rod 7, a cavity 8 is arranged in the heat conducting rod 7, a heater 9 is arranged in the cavity 8, a circular ring 10 is arranged at the upper end of the crushing ring 4, and a plurality of baffles 11 are arranged on the inner side of the circular ring 10.

The application of one aspect of the embodiment is as follows: the heater 9 is started, then the graphite rod is poured into the circular ring 10, the graphite rod is dried, then the crushing ring 4 is rotated, the graphite rod is crushed by the first notch 5 and the second notch 6, slides downwards along the outer side of the crushing table 3 and is crushed more and more until the filter screen 2 can be passed. It should be noted that the heater 9 referred to in this application may be powered by a battery or an external power source.

Through having broken ring 4 at 3 week side normal running fit of garrulous platform, 3 outside annular arrays of garrulous platform have the first notch 5 of multiunit, 4 inboard annular arrays of garrulous platform have the second notch 6 that multiunit and first notch 5 correspond, and the first notch 5 of multiunit, second notch 6 is from upwards following every group first notch 5 of group, the diameter of second notch 6 is crescent, the interval between garrulous platform 3 and the broken ring 4 is from upwards crescent from following, be convenient for the graphite rod is crowded garrulous by first notch 5, second notch 6, then slide down along the garrulous platform 3 outside, then more garrulous, and then improve crushing effect and crushing effect, the effect of extrusion with the squeeze roll of a plurality of different extrusion grooves of different intervals, through installing heat conduction pole 7 in garrulous platform 3 upper end, be equipped with cavity 8 in the heat conduction pole 7, be equipped with heater 9 in the cavity 8, be convenient for dry graphite rod, it adheres to reduce the graphite rod piece and adheres to first notch 5, Probability in the second notch 6 is through being equipped with ring 10 in broken ring 4 upper end, and ring 10 inboard is equipped with a plurality of baffles 11, is convenient for improve the dry degree of consistency of graphite pole.

The outside of the crushing ring 4 of this embodiment is attached to the inside of the hole, which enhances the stability of the rotation of the crushing ring 4.

The baffle 11 of this embodiment is far away from ring 10 one side and is laminated with the heat conduction pole 7 outside, strengthens ring 10 pivoted stability.

The crushing table 3 of this embodiment is a round table structure, and the crushing ring 4 is a hollow round table structure, and the graphite rod fragments of being convenient for slide down along the 3 outsides of crushing table.

The upper end of the ring 10 of this embodiment is provided with a feed hopper 12 for pouring materials.

The side cover all around of crushing ring 4 of this embodiment is equipped with first gear 13, and motor 14 has been installed to base plate 1 upper end, and motor 14 upper end is equipped with second gear 15, is convenient for drive second gear 15, first gear 13, crushing ring 4 through motor 14 in proper order and rotates.

The above embodiments may be combined with each other.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Claims

1. The utility model provides a graphite crushing device for lithium cell recovery which characterized in that includes: the hole is formed in the upper end of the base plate (1), the filter screen (2) is arranged in the hole, the crushing table (3) is arranged in the filter screen (2), the crushing ring (4) is matched with the crushing table (3) in a rotating mode in the circumferential direction, a plurality of groups of first notches (5) are arranged on the outer side of the crushing table (3) in an annular array mode, a plurality of groups of second notches (6) corresponding to the first notches (5) are arranged on the inner side of the crushing ring (4) in an annular array mode, the diameters of the first notches (5) and the second notches (6) are gradually increased, and the distance between the crushing table (3) and the crushing ring (4) is gradually increased from bottom to top;

the upper end of the crushing table (3) is provided with a heat conducting rod (7), a cavity (8) is arranged in the heat conducting rod (7), a heater (9) is arranged in the cavity (8), a circular ring (10) is arranged at the upper end of the crushing ring (4), and a plurality of baffles (11) are arranged on the inner side of the circular ring (10).

2. The graphite crushing device for lithium battery recovery as recited in claim 1, wherein the outer side of the crushing ring (4) is attached to the inner side of the hole.

3. The graphite crushing device for lithium battery recovery as recited in claim 2, wherein the side of the baffle (11) away from the ring (10) is attached to the outer side of the heat conducting rod (7).

4. The graphite crushing device for lithium battery recovery as recited in claim 3, wherein the crushing table (3) is of a circular truncated cone structure, and the crushing ring (4) is of a hollow circular truncated cone structure.

5. The graphite crushing device for lithium battery recovery as recited in claim 4, wherein the upper end of the ring (10) is provided with a feed hopper (12).

6. The graphite crushing device for lithium battery recovery as recited in claim 5, wherein the first gear (13) is sleeved on the periphery of the crushing ring (4), the motor (14) is installed on the upper end of the base plate (1), and the second gear (15) is installed on the upper end of the motor (14).