CN213078668U - Reducing mechanism for lithium cell negative electrode material - Google Patents
Reducing mechanism for lithium cell negative electrode material Download PDFInfo
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- CN213078668U CN213078668U CN202021309919.6U CN202021309919U CN213078668U CN 213078668 U CN213078668 U CN 213078668U CN 202021309919 U CN202021309919 U CN 202021309919U CN 213078668 U CN213078668 U CN 213078668U
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Abstract
The utility model relates to a crushing device for lithium battery cathode materials, which comprises a crushing box body, a feed hopper, a first discharge hole, a first rotating shaft, a second rotating shaft and a screen; the top of the crushing box body is fixedly connected with a first motor, the output end of the first motor is connected with a first rotating shaft, and the surface of the first rotating shaft is fixedly connected with a first crushing blade; a second motor is arranged on the side part of the crushing box body, and the output end of the second motor is connected with a second rotating shaft; the surface of the second rotating shaft is fixedly connected with a second crushing blade; the screen is fixed inside the crushing box body, a second discharge hole is formed in the crushing box body at the top of the screen, a return pipe is arranged at the second discharge hole, and an outlet of the return pipe is communicated with the feed hopper; and a third motor is installed at the top of the material returning pipe, a screw rod is arranged at the output end of the third motor, and the screw rod is arranged in the material returning pipe. The device can ensure that the particle size of the crushed negative electrode material meets the specified requirement, and the crushing quality of the negative electrode material is greatly improved.
Description
Technical Field
The utility model relates to a lithium cell field, concretely relates to lithium cell is reducing mechanism for anode material.
Background
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; in general, a lithium ion battery uses a lithium alloy metal oxide as a positive electrode material, graphite as a negative electrode material, and a nonaqueous electrolyte.
The crushing effect of the conventional crushing device for the negative electrode material (graphite) of the lithium battery is not ideal enough, the conditions of overlarge particle size and incomplete crushing are likely to occur, and the later-stage use effect of the crushing device is greatly influenced.
SUMMERY OF THE UTILITY MODEL
This neotype aim at: provided is a crushing device for a lithium battery negative electrode material.
In order to achieve the purpose, the novel technical scheme is as follows:
a crushing device for a lithium battery negative electrode material comprises a crushing box body, a feed hopper arranged at the top of the crushing box body and a first discharge hole arranged at the bottom of the crushing box body; a first rotating shaft, a second rotating shaft and a screen are arranged in the crushing box body from top to bottom;
the first rotating shaft is horizontally arranged, and the second rotating shaft is vertically arranged;
the top of the crushing box body is fixedly connected with a first motor, the output end of the first motor is connected with a first rotating shaft, and the surface of the first rotating shaft is fixedly connected with a first crushing blade;
a second motor is arranged on the side part of the crushing box body, and the output end of the second motor is connected with a second rotating shaft; the surface of the second rotating shaft is fixedly connected with a second crushing blade;
the screen is fixed inside the crushing box body, a second discharge hole is formed in the crushing box body at the top of the screen, a return pipe is arranged at the second discharge hole, and an outlet of the return pipe is communicated with the feed hopper; the top of the material returning pipe is provided with a third motor, the output end of the third motor is provided with a screw rod, and the screw rod is arranged in the material returning pipe.
Preferably, the inner wall of the crushing box body is provided with a plurality of crushing teeth.
Preferably, the screen is provided with a scraper which is fixed with a cylinder rod of the cylinder through a connecting rod.
Preferably, the scraper blade include the push pedal of L type, the push pedal include horizontal plate body and vertical plate body, horizontal plate body is located the upper end of vertical plate body and sets up perpendicularly, the lower extreme of horizontal plate body set up the brush hair.
Preferably, the crushing box inner wall set up the spout, the horizontal plate side set up the slider, the slider remove along the spout.
Preferably, the screens comprise a first screen arranged horizontally and a second screen arranged obliquely.
Preferably, the first discharge port is provided with a material collecting box.
This neotype beneficial effect lies in:
this is novel when in-service use, put into crushing box with negative-electrode material from the feeder hopper, at first carry out primary crushing through first crushing blade, then carry out regrinding through second crushing blade, through setting up the screen cloth, negative-electrode material after smashing screens, and the negative-electrode material of great particle diameter then can't pass the screening hole, the graphite of great particle diameter can get into the material returning pipe through the second discharge gate this moment, then it smashes once more to enter into the feeder hopper, thereby guarantee that its particle size after smashing accords with the regulation demand, improve its crushing quality greatly, make and smash more thoroughly, it is too big to avoid appearing the graphite particle diameter after smashing.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the construction of the flight and connecting rod;
in the reference symbols:
10-crushing box body, 11-feeding hopper, 12-first discharging port, 13-second discharging port, 20-first rotating shaft, 30-second rotating shaft, 40-screen, 50-first motor, 60-first crushing blade, 70-second motor, 80-second crushing blade, 90-material returning pipe, 100-third motor, 110-screw rod, 120-crushing tooth, 130-scraper, 131-brush hair, 132-slide block, 140-cylinder, 150-connecting rod and 160-material collecting box.
Detailed Description
A crushing device for a lithium battery negative electrode material comprises a crushing box body 10, a feed hopper 11 arranged at the top of the crushing box body 10 and a first discharge hole 12 arranged at the bottom of the crushing box body 10; a first rotating shaft 20, a second rotating shaft 30 and a screen 40 are arranged in the crushing box body 10 from top to bottom;
the first rotating shaft 20 is horizontally arranged, and the second rotating shaft 30 is vertically arranged;
the top of the crushing box body 10 is fixedly connected with a first motor 50, the output end of the first motor 50 is connected with a first rotating shaft 20, and the surface of the first rotating shaft 20 is fixedly connected with a first crushing blade 60;
the side of the crushing box body 10 is provided with a second motor 70, and the output end of the second motor 70 is connected with a second rotating shaft 30; the surface of the second rotating shaft 30 is fixedly connected with a second crushing blade 80;
the screen 40 is fixed inside the crushing box body 10, a second discharge port 13 is formed in the crushing box body 10 at the top of the screen 40, a return pipe 90 is arranged at the second discharge port 13, and an outlet of the return pipe 90 is communicated with the feed hopper 11; a third motor 100 is mounted at the top of the return pipe 90, a screw rod 110 is arranged at the output end of the third motor 100, and the screw rod 110 is arranged inside the return pipe 90;
the first discharge port 12 is provided with a material collecting box 160.
This is novel when in-service use, put into crushing box 10 with negative pole material from feeder hopper 11 in, at first carry out primary crushing through first crushing blade 60, then carry out the regrinding through second crushing blade 80, through setting up screen cloth 40, filter the negative pole material after smashing, and the negative pole material of great particle diameter then can't pass the screening hole, the graphite of great particle diameter can get into return material pipe 90 through second discharge gate 13 this moment, then enter into feeder hopper 11 and smash once more, thereby guarantee that its particle size after smashing accords with the regulation demand, improve its crushing quality greatly, make and smash more thoroughly, it is too big to avoid appearing the graphite particle diameter after smashing.
Preferably, a plurality of pulverizing teeth 120 may be further provided on the inner wall of the pulverizing casing 10, which further accelerates the pulverizing efficiency and improves the pulverizing effect.
Preferably, a scraper 130 may be further disposed on the screen 40, and the scraper 130 is fixed to a cylinder rod of the cylinder 140 by a connecting rod 150. The scraping plate 130 includes an L-shaped pushing plate, which includes a horizontal plate body and a vertical plate body, the horizontal plate body is located at the upper end of the vertical plate body and is vertically disposed, and bristles 131 are disposed at the lower end of the horizontal plate body. The inner wall of the pulverizing box 10 is provided with a sliding groove, the side of the horizontal plate is provided with a slide block 132, and the slide block 132 moves along the sliding groove. By arranging the scraper 130 on the screen cloth 40, the cylinder 140 is started to push the scraper 130 to move, so that the material on the screen cloth 40 rapidly enters the second discharge hole 13. Through setting up brush hair 131 on the push pedal of the L type of scraper blade 130 for scraper blade 130 can also avoid the jam of mesh when pushing the material into second discharge gate 13. By providing the slider 132 and the sliding groove, the scraper 130 is more stable when moving.
Preferably, the screen 40 may be provided to include a first screen disposed horizontally and a second screen disposed obliquely. By arranging the screen 40 as a horizontally arranged first screen and an obliquely arranged second screen, the material can automatically slide down from the second screen to the second discharge port 13 when the scraper 130 pushes the material to the right end of the first screen.
Claims (7)
1. The utility model provides a reducing mechanism for lithium cell negative electrode material which characterized in that: comprises a crushing box body, a feed hopper arranged at the top of the crushing box body and a first discharge hole arranged at the bottom of the crushing box body; a first rotating shaft, a second rotating shaft and a screen are arranged in the crushing box body from top to bottom;
the first rotating shaft is horizontally arranged, and the second rotating shaft is vertically arranged;
the top of the crushing box body is fixedly connected with a first motor, the output end of the first motor is connected with a first rotating shaft, and the surface of the first rotating shaft is fixedly connected with a first crushing blade;
a second motor is arranged on the side part of the crushing box body, and the output end of the second motor is connected with a second rotating shaft; the surface of the second rotating shaft is fixedly connected with a second crushing blade;
the screen is fixed inside the crushing box body, a second discharge hole is formed in the crushing box body at the top of the screen, a return pipe is arranged at the second discharge hole, and an outlet of the return pipe is communicated with the feed hopper; the top of the material returning pipe is provided with a third motor, the output end of the third motor is provided with a screw rod, and the screw rod is arranged in the material returning pipe.
2. The crushing apparatus for a negative electrode material for a lithium battery according to claim 1, wherein: the inner wall of the crushing box body is provided with a plurality of crushing teeth.
3. The crushing apparatus for a negative electrode material for a lithium battery according to claim 1, wherein: the screen cloth is provided with a scraper which is fixed with a cylinder rod of the cylinder through a connecting rod.
4. The crushing apparatus for a negative electrode material for a lithium battery according to claim 3, wherein: the scraper blade include the push pedal of L type, the push pedal include horizontal plate body and vertical plate body, horizontal plate body is located the upper end of vertical plate body and sets up perpendicularly, the lower extreme of horizontal plate body set up the brush hair.
5. The crushing apparatus for a negative electrode material for a lithium battery according to claim 4, wherein: the crushing box inner wall set up the spout, the side of horizontal plate set up the slider, the slider remove along the spout.
6. The crushing apparatus for a negative electrode material for a lithium battery according to claim 1, wherein: the screen cloth comprises a first screen cloth which is horizontally arranged and a second screen cloth which is obliquely arranged.
7. The crushing apparatus for a negative electrode material for a lithium battery according to claim 1, wherein: the first discharge port department set up the case that gathers materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021309919.6U CN213078668U (en) | 2020-07-06 | 2020-07-06 | Reducing mechanism for lithium cell negative electrode material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021309919.6U CN213078668U (en) | 2020-07-06 | 2020-07-06 | Reducing mechanism for lithium cell negative electrode material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213078668U true CN213078668U (en) | 2021-04-30 |
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ID=75623631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021309919.6U Active CN213078668U (en) | 2020-07-06 | 2020-07-06 | Reducing mechanism for lithium cell negative electrode material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213078668U (en) |
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2020
- 2020-07-06 CN CN202021309919.6U patent/CN213078668U/en active Active
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