CN216396471U

CN216396471U - Graphite screening device for lithium ion battery

Info

Publication number: CN216396471U
Application number: CN202121824446.8U
Authority: CN
Inventors: 高艳丽
Original assignee: Shunde Foshan Delhi Mould Technology Co ltd
Current assignee: Shunde Foshan Delhi Mould Technology Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-04-29
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a graphite screening device for a lithium ion battery, which comprises: the screening device comprises a crushing structure and a screening structure, wherein the screening structure is fixedly arranged below the crushing structure; the utility model relates to the technical field of graphite screening, wherein large graphite blocks are rolled through a crushing structure to extrude powdery graphite, so that the subsequent processing treatment is facilitated, the powder on a grinding roller can be removed through extruding effect blocks, different filter screens can be replaced to filter and screen the graphite powder through a screening structure, the larger particles can be processed and rolled for the second time, the graphite powder can be intercepted and filtered according to the requirement, the graphite powder is convenient to use without use, the screening effect is good, the screening efficiency is high, the design structure is simple, the use is convenient, the problem of low screening speed of a single filter screen is solved, and the screening quality is improved.

Description

Graphite screening device for lithium ion battery

Technical Field

The utility model relates to the technical field of graphite screening, in particular to a graphite screening device for a lithium ion battery.

Background

The lithium ion battery is a rechargeable battery, which mainly depends on lithium ions moving between a positive electrode and a negative electrode to work, in the charging and discharging process, Li + is repeatedly inserted and extracted between the two electrodes, the battery which generally adopts a material containing lithium element as an electrode is representative of a modern high-performance battery, the negative electrode material of the lithium ion battery mostly adopts graphite as a raw material, the graphite often needs to crush natural graphite before use and process the natural graphite into qualified graphite powder, and the finer the graphite powder is, the better the lithium ion battery can work;

at present, graphite can't all reach the user demand after smashing at every turn, so need sieve it, present screening mode, and the majority only filters through single filter screen, and screening speed is slow, and the screening quality is also low, consequently designs a graphite sieving mechanism for lithium ion battery now.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a graphite screening device for a lithium ion battery, which aims to solve the problems of low screening speed and low screening quality of a single filter screen.

In order to achieve the purpose, the utility model provides the following technical scheme: a graphite screening device for a lithium ion battery comprises: the screening device comprises a crushing structure and a screening structure, wherein the screening structure is fixedly arranged below the crushing structure;

the crushing structure comprises: the grinding device comprises a crushing box, a feed hopper, a first motor, a first gear, a second gear, a first grinding roller and a second grinding roller;

the crushing box is of a hollow box structure, the two ends of the inner lower wall of the crushing box are inclined towards the center, the central part of the upper wall of the crushing box is provided with a limiting port communicated with the inner cavity, the front wall of the crushing box is provided with a first supporting plate, the first supporting plate is positioned on the left side of the central line, the lower wall of the crushing box is provided with a discharge port, the feed hopper is fixedly arranged in the limiting port on the crushing box, the first motor is fixedly arranged on the first supporting plate on the front wall of the crushing box, the driving end of the first motor movably penetrates through the front wall of the crushing box, the first gear is movably embedded on the front wall of the main box and on the left side of the central line and fixedly sleeved on the driving end of the first motor, the second gear is movably embedded on the front wall of the main box and on the right side of the first gear and mutually meshed with the first gear, one end of the first grinding roller is fixedly embedded on the rear side wall of the first gear, and the other end of the first grinding roller is movably embedded on the rear side wall of the main box, one end of the second grinding roller is fixedly embedded on the rear side wall of the second gear, and the other end of the second grinding roller is movably embedded on the rear side wall in the main box.

Preferably, the screening structure comprises; the device comprises a screening box, a first limiting plate, a first connecting frame, a first filter screen, a second limiting plate, a second connecting frame, a second filter screen and a vibration assembly;

the upper wall of the screening box is provided with a feeding port communicated with the inner cavity, the upper side and the lower side of the central line of the left side wall are provided with taking grooves which are symmetrical and communicated with the inner cavity, the upper side and the lower side of the central line of the left side wall are provided with the same structure, the taking grooves which are communicated with the inner cavity are arranged on the upper and the lower sides, the right side of the central line of the front wall is provided with a second support plate, the lower wall of the screening box is provided with a discharging port, the screening box is fixedly arranged below the crushing box, the discharging port of the crushing box is communicated with the feeding port of the screening box, the first limit plate is fixedly arranged on the upper wall in the screening box, one end of the first connecting plate is fixedly arranged on a first limit plate, the left side wall of the first connecting frame is provided with a first sliding groove communicated with the rear side wall, the first connecting frame is fixedly arranged on the other end of the first connecting plate, the first filter screen is movably arranged on the first connecting frame, the second limit plate is fixedly arranged on the second limit plate, the left side wall of the second connecting frame is provided with a second sliding groove communicated with the rear side wall, the second connecting frame is fixedly arranged on the second connecting plate, the second filter screen movable socket is arranged on the second connecting frame, and the vibration assembly is fixedly arranged on the first connecting frame.

Preferably, a first sliding block is arranged on the first filter screen, and the first sliding block can be movably inserted into the first connecting frame.

Preferably, a second sliding block is arranged on the second filter screen, and the second sliding block can be movably inserted into the second connecting frame.

Preferably, the vibration assembly includes: the device comprises a second motor, a limiting frame, a connecting roller, a first adjusting roller, a supporting column, a second adjusting roller and a third connecting plate;

the second motor is fixedly arranged on a second supporting plate on the screen separating box, the driving end movably penetrates through the front wall of the screen separating box, the limiting frame is fixedly arranged on a first connecting frame, one end of the connecting roller is fixedly arranged on the driving end of the motor, the other end of the connecting roller movably penetrates above the central line of the front wall of the limiting frame, the first adjusting roller is of a cylindrical structure, a first rotating roller is arranged on the front wall, the first adjusting roller is fixedly arranged on the other end of the connecting roller, the supporting column is fixedly arranged on the upper wall of a second connecting frame, the second adjusting roller is of a cylindrical structure, a second rotating roller is arranged on the front wall, the second adjusting roller is movably embedded on the other end of the supporting column, one end of a third connecting plate is fixedly arranged on the first rotating roller on the first adjusting roller, and the other end of the third connecting plate is fixedly arranged on the second rotating roller on the second adjusting roller.

Preferably, the taking groove on the left side wall of the screening box is movably provided with a baffle.

Preferably, the left side and the right side of the central line of the lower wall in the crushing box are both provided with brushes.

Compared with the prior art, the utility model has the beneficial effects that: this graphite divides sieve device for lithium ion battery, through broken structure, roll massive graphite, extrude pulverous graphite, subsequent processing of being convenient for, and extrude the effect piece, can also clear away the powder on the grinding roller, through dividing the sieve structure, removable different filter screens filter the branch sieve to the powder of graphite, the reprocess that can carry out of great granule rolls, and can hold back the filtration to graphite powder as required, the use that is convenient for not uses, divide sieve effectual, and divide sieve efficiently, this design simple structure, high durability and convenient use, the slow problem of single filter screen screening speed has both been solved, the quality of screening has been improved again.

Drawings

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

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

FIG. 3 is a schematic view of the external structure of a first regulating roller according to the present invention;

fig. 4 is a partially enlarged schematic view of a portion a in fig. 1.

In the figure: 1. crushing structure, 11, crushing case, 12, feeder hopper, 13, first motor, 14, first gear, 15, second gear, 16, first grinding roller, 17, second grinding roller, 2, divide the sieve structure, 20, divide the sieve case, 21, first limiting plate, 22, first connecting plate, 23, first link, 24, first filter screen, 25, second limiting plate, 26, second connecting plate, 27, second link, 28, second filter screen, 29, vibration component, 291, second motor, 292, spacing, 293, connecting roller, 294, first regulating roller, 295, support column, 296, second regulating roller, 297, third connecting plate, 3, first slider, 4, second slider, 5, baffle, 6, brush.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a graphite screening device for a lithium ion battery comprises: the screening device comprises a crushing structure 1 and a screening structure 2, wherein the screening structure 2 is fixedly arranged below the crushing structure 1; the crushing structure 1 comprises: a crushing box 11, a feed hopper 12, a first motor 13, a first gear 14, a second gear 15, a first grinding roller 16 and a second grinding roller 17; the crushing box 11 is a hollow box structure, the inner lower wall is a wall surface with two ends inclined towards the center, the central part of the upper wall is provided with a limit port communicated with the inner cavity, the front wall of the crushing box 11 is provided with a first support plate which is positioned on the left side of a central line, the lower wall is provided with a discharge port, the feed hopper 12 is fixedly arranged in the limit port on the crushing box 11, the first motor 13 is fixedly arranged on the first support plate on the front wall of the crushing box 11, the driving end movably penetrates through the front wall of the crushing box 11, the first gear 14 is movably embedded on the front wall of the main box and positioned on the left side of the central line and fixedly sleeved on the driving end of the first motor 13, the second gear 15 is movably embedded on the front wall of the main box and positioned on the right side of the first gear 14 and mutually meshed with the first gear 14, one end of the first grinding roller 16 is fixedly embedded on the rear side wall of the first gear 14, and the other end is movably embedded on the rear side wall of the main box, one end of the second grinding roller 17 is fixedly embedded on the rear side wall of the second gear 15, and the other end is movably embedded on the rear side wall in the main box.

The following electric devices have the following types and functions:

a first motor: it is prior art, as long as the motor that is applicable to this scheme all can use.

A second motor: it is prior art, as long as the motor that is applicable to this scheme all can use.

As a preferred scheme, furthermore, the screening structure 2 comprises; the screening box 20, the first limiting plate 21, the first connecting plate 22, the first connecting frame 23, the first filter screen 24, the second limiting plate 25, the second connecting plate 26, the second connecting frame 27, the second filter screen 28 and the vibration assembly 29;

the upper wall of the screening box 20 is provided with a feeding port communicated with the inner cavity, the upper side and the lower side of the central line of the left side wall are provided with taking grooves which are mutually symmetrical and communicated with the inner cavity and have the same structure, the right side of the central line of the front wall is provided with a second supporting plate, the lower wall of the screening box 20 is provided with a discharging port, the screening box 20 is fixedly arranged below the crushing box 11, the discharging port of the crushing box 11 is communicated with the feeding port of the screening box 20, a first limiting plate 21 is fixedly arranged on the inner upper wall of the screening box 20, one end of a first connecting plate 22 is fixedly arranged on the first limiting plate 21, the left side wall of the first connecting frame 23 is provided with a first sliding groove communicated with the rear side wall, the first connecting frame 23 is fixedly arranged on the other end of the first connecting plate 22, a first filter screen 24 is movably connected on the first connecting frame 23, a second limiting plate 25 is fixedly arranged on the first connecting frame 23, one end of a second connecting plate 26 is fixedly arranged on the second limiting plate 25, the left side wall of the second connecting frame 27 is provided with a second sliding chute communicated with the rear side wall, the second connecting frame 27 is fixedly arranged on the second connecting plate 26, the second filter screen 28 is movably inserted on the second connecting frame 27, and the vibration component 29 is fixedly arranged on the first connecting frame 23.

Preferably, the first filter screen 24 is provided with a first sliding block 3, and the first sliding block 3 is movably inserted into the first connecting frame 23.

Preferably, the second filter screen 28 is provided with a second sliding block 4, and the second sliding block 4 is movably inserted into the second connecting frame 27.

Preferably, the vibration assembly 29 further includes: a second motor 291, a stopper 292, a connection roller 293, a first regulation roller 294, a support column 295, a second regulation roller 296, and a third connection plate 297;

the second motor 291 is fixedly disposed on the second support plate on the sieving box 20, and the driving end is movably penetrated through the front wall of the sieving box 20, the limiting frame 292 is fixedly disposed on the first connecting frame 23, one end of the connecting roller 293 is fixedly disposed on the driving end of the motor, and the other end is movably penetrated through the center line of the front wall of the limiting frame 292, the first adjusting roller 294 is of a cylindrical structure, and the front wall is provided with a first rotating roller, the first adjusting roller 294 is fixedly disposed on the other end of the connecting roller 293, the supporting column 295 is fixedly disposed on the upper wall of the second connecting frame 27, the second adjusting roller 296 is of a cylindrical structure, and the front wall is provided with a second rotating roller, the second adjusting roller 296 is movably embedded on the other end of the supporting column 295, one end of the third connecting plate 297 is fixedly disposed on the first rotating roller on the first adjusting roller 294, and the other end is fixedly disposed on the second rotating roller on the second adjusting roller 296.

Preferably, the baffle 5 is movably arranged on the taking groove on the left side wall of the screening box 20.

Preferably, the left side and the right side of the central line of the inner lower wall of the crushing box 11 are both provided with brushes 6.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

Example (b): as can be known from the accompanying drawings 1-3 of the specification, large graphite is put into the crushing box 11 through the feeding hopper 12 in the crushing structure 1, and then driven by the first motor 13 to drive the first gear 14 to rotate, and at the same time, the first gear 14 drives the second gear 15 to rotate, so that the second gear 15 and the first gear 14 rotate reversely and forwardly to drive the first grinding roller 16 and the second grinding roller 17 to rotate, so that the graphite is ground into powder and falls into the first filter screen 24 in the screening structure 2, the first grinding roller 16 and the second grinding roller 17 can rotate through the brush 6 to form a force to the opposite direction, so that the adhered graphite is brushed off to prevent the influence on grinding, and then the second motor 291 in the vibrating assembly 29 is electrified to rotate to drive the connecting roller 293 on the limiting frame 292 to rotate, and simultaneously the first adjusting roller 294 rotates to drive the third adjusting roller 297 to move regularly, since the second link frame 27 is connected to the third connecting plate 297 via the supporting columns 295 of the second adjusting rollers 296, the second connection frame 27 is vibrated so that the second filter 28 screens graphite, and at the same time, the second connection frame 27 is connected to the first connection frame 23 through the second connection plate 26, therefore, the first connecting frame 23 can also carry out vibration screening, the installation of the second connecting plate 26 is convenient by installing the second limiting plate 25, the first connecting plate 22 is fixed on the inner lower wall of the screening box 20 through the first limiting plate 21, the whole body is limited, the vibration is convenient, the limit can be fixed, the first filter screen 24 and the second filter screen 28 can be taken out by pulling the baffle 5 open, and due to the installation of the first slide block 3 and the second slide block 4, therefore, the first filter screen 24 and the second filter screen 28 can be taken conveniently, the graphite powder can be intercepted as required, and the graphite with larger blocks can be rolled for the second time.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "two ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated; meanwhile, unless explicitly specified or limited otherwise, the terms "fixedly arranged", "movably embedded", "movably penetrated", "fixedly arranged", and the like are to be understood in a broad sense, and for example, the terms may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a graphite divides sieve device for lithium ion battery which characterized in that includes: the screening device comprises a crushing structure (1) and a screening structure (2), wherein the screening structure (2) is fixedly arranged below the crushing structure (1);

the crushing structure (1) comprises: the grinding device comprises a crushing box (11), a feed hopper (12), a first motor (13), a first gear (14), a second gear (15), a first grinding roller (16) and a second grinding roller (17);

the crushing box (11) is of a hollow box structure, the inner lower wall is a wall surface with two ends inclined towards the center, the central part of the upper wall is provided with a limiting port communicated with the inner cavity, the front wall of the crushing box (11) is provided with a first supporting plate, the first supporting plate is positioned on the left side of the central line, the lower wall of the crushing box is provided with a discharge port, the feed hopper (12) is fixedly arranged in the limiting port on the crushing box (11), the first motor (13) is fixedly arranged on the first supporting plate on the front wall of the crushing box (11), the driving end of the first motor movably penetrates through the front wall of the crushing box (11), the first gear (14) is movably embedded in the front wall of the main body box and on the left side of the central line and fixedly sleeved on the driving end of the first motor (13), the second gear (15) is movably embedded in the front wall of the main body box and positioned on the right side of the first gear (14) and mutually meshed with the first gear (14), one end of the first grinding roller (16) is fixedly embedded on the rear side wall of the first gear (14), the other end of the first grinding roller is movably embedded on the rear side wall in the main box, one end of the second grinding roller (17) is fixedly embedded on the rear side wall of the second gear (15), and the other end of the second grinding roller is movably embedded on the rear side wall in the main box.

2. The graphite sieving device for the lithium ion battery according to claim 1, characterized in that: the screening structure (2) comprises; the device comprises a screening box (20), a first limiting plate (21), a first connecting plate (22), a first connecting frame (23), a first filter screen (24), a second limiting plate (25), a second connecting plate (26), a second connecting frame (27), a second filter screen (28) and a vibration assembly (29);

the upper wall of the screen separating box (20) is provided with a feeding port communicated with the inner cavity, the upper side and the lower side of the central line of the left side wall are provided with taking grooves which are identical in structure and mutually communicated with the inner cavity, the right side of the central line of the front wall is provided with a second supporting plate, the lower wall of the screen separating box (20) is provided with a discharging port, the screen separating box (20) is fixedly arranged below the crushing box (11), the discharging port of the crushing box (11) is communicated with the feeding port of the screen separating box (20), the first limiting plate (21) is fixedly arranged on the inner upper wall of the screen separating box (20), one end of the first connecting plate (22) is fixedly arranged on the first limiting plate (21), the left side wall of the first connecting frame (23) is provided with a first sliding groove communicated with the rear side wall, the first connecting frame (23) is fixedly arranged on the other end of the first connecting plate (22), and the first filter screen (24) is movably connected to the first connecting frame (23), the second limiting plate (25) is fixedly arranged on the first connecting frame (23), one end of the second connecting plate (26) is fixedly arranged on the second limiting plate (25), the left side wall of the second connecting frame (27) is provided with a second sliding groove communicated with the rear side wall, the second connecting frame (27) is fixedly arranged on the second connecting plate (26), the second filter screen (28) is movably connected with the second connecting frame (27), and the vibration assembly (29) is fixedly arranged on the first connecting frame (23).

3. The graphite sieving device for the lithium ion battery according to claim 2, characterized in that: the first filter screen (24) is provided with a first sliding block (3), and the first sliding block (3) can be movably inserted into the first connecting frame (23).

4. The graphite sieving device for the lithium ion battery according to claim 2, characterized in that: the second filter screen (28) is provided with a second sliding block (4), and the second sliding block (4) can be movably inserted into the second connecting frame (27).

5. The graphite sieving device for the lithium ion battery according to claim 2, characterized in that: the vibration assembly (29) comprises: the device comprises a second motor (291), a limiting frame (292), a connecting roller (293), a first adjusting roller (294), a supporting column (295), a second adjusting roller (296) and a third connecting plate (297);

the second motor (291) is fixedly arranged on a second supporting plate on the screening box (20), the driving end of the second motor movably penetrates through the front wall of the screening box (20), the limiting frame (292) is fixedly arranged on the first connecting frame (23), one end of the connecting roller (293) is fixedly arranged on the driving end of the motor, the other end of the connecting roller movably penetrates through the upper part of the center line of the front wall of the limiting frame (292), the first adjusting roller (294) is of a cylindrical structure, a first rotating roller is arranged on the front wall, the first adjusting roller (294) is fixedly arranged on the other end of the connecting roller (293), the supporting column (295) is fixedly arranged on the upper wall of the second connecting frame (27), the second adjusting roller (296) is of a cylindrical structure, a second rotating roller is arranged on the front wall, the second adjusting roller (296) is movably embedded on the other end of the supporting column (295), one end of the third connecting plate (297) is fixedly arranged on the first rotating roller (294), and the other end is fixedly arranged on a second rotating roller on a second adjusting roller (296).

6. The graphite sieving device for the lithium ion battery according to claim 2, characterized in that: and the taking grooves on the left side wall of the screening box (20) are movably provided with baffles (5).

7. The graphite sieving device for the lithium ion battery according to claim 1, characterized in that: the left side and the right side of the central line of the inner lower wall of the crushing box (11) are both provided with brushes (6).