CN213222699U - Demagnetization system for aluminum oxide preparation for lithium battery - Google Patents
Demagnetization system for aluminum oxide preparation for lithium battery Download PDFInfo
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- CN213222699U CN213222699U CN202021921504.4U CN202021921504U CN213222699U CN 213222699 U CN213222699 U CN 213222699U CN 202021921504 U CN202021921504 U CN 202021921504U CN 213222699 U CN213222699 U CN 213222699U
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Abstract
The utility model belongs to the technical field of the aluminium oxide preparation, concretely relates to aluminium oxide preparation demagnetization system for lithium cell. This demagnetization system is prepared to alumina for lithium cell includes: the device comprises a demagnetization box and a feed hopper positioned at the top of the demagnetization box; a plurality of inclined guide plates are arranged in the demagnetizing box in a staggered manner from top to bottom; the upper surface of each inclined guide plate is provided with a magnet layer; after the powder material enters the degaussing box through the feed hopper, the powder material rolls down and slides down along each inclined guide plate in sequence, and then the magnetic impurities in the powder material are adsorbed by the magnet layer. The utility model discloses an aluminum oxide preparation demagnetization system for lithium cell is through from last crisscross a plurality of slope guide board that is provided with down, and when powder material rolls the gliding in proper order along each slope guide board, the magnetic impurities in the powder material is adsorbed on the magnet layer, makes the powder material detach magnetic impurities while gliding.
Description
Technical Field
The utility model belongs to the technical field of the aluminium oxide preparation, concretely relates to aluminium oxide preparation demagnetization system for lithium cell.
Background
The lithium battery diaphragm is a film (PE, PP, PE-PP composite film) with a microporous structure, and is used as a key structural component which has the most technical barrier in the lithium battery industry, and the performance of the lithium battery diaphragm directly influences the battery capacity, internal resistance, cycle performance, current density and safety performance. The lithium battery has the biggest potential safety hazard that the battery randomly generates internal short circuit, and in order to solve the potential safety hazard, a thin aluminum oxide coating needs to be coated on a lithium battery diaphragm.
During the preparation of alumina, magnetic substances with different sizes, such as rust, iron wires and the like, can be mixed, and the magnetic substances have fatal side effects on the use of the lithium battery diaphragm.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a magnetic system is removed in preparation of alumina for lithium cell when powder material rolls the gliding along each guide board in proper order, the magnetic impurities in the powder material is adsorbed on the magnet layer to get rid of the magnetic impurities in the powder material.
In order to solve the technical problem, the utility model provides an alumina preparation demagnetization system for lithium cell includes:
the device comprises a demagnetization box and a feed hopper positioned at the top of the demagnetization box; a plurality of inclined guide plates are arranged in the demagnetizing box in a staggered manner from top to bottom; the upper surface of each inclined guide plate is provided with a magnet layer; after the powder material enters the degaussing box through the feed hopper, the powder material rolls down and slides down along each inclined guide plate in sequence, and then the magnetic impurities in the powder material are adsorbed by the magnet layer.
Further, be provided with the spiral guide board in the feeder hopper to make the powder material follow spiral guide board and get into in the demagnetization box.
Further, the spiral guide plate is made of a magnetic material to adsorb magnetic impurities in the powder material.
Further, a cleaning mechanism is arranged above the connecting part of the inclined guide plate and the demagnetizing box; the cleaning mechanism is suitable for cleaning magnetic impurities adsorbed on the surface of the magnet layer.
Further, the cleaning mechanism includes: a telescopic cylinder and a scraper; the telescopic cylinder is suitable for driving the scraper to move to the other end along one end of the inclined guide plate so as to scrape off magnetic impurities adsorbed on the surface of the magnet layer.
Further, a discharge hole is formed in the bottom of the demagnetizing box; the bottom of the demagnetizing box is inclined so as to facilitate the falling of the powder material from the discharge hole.
The beneficial effects of the utility model are that, the utility model discloses an aluminum oxide preparation demagnetization system for lithium cell is through from last crisscross a plurality of slope guide board that is provided with down, and when powder material rolled the gliding along each slope guide board in proper order, the magnetic impurities in the powder material was adsorbed on the magnet layer, made powder material detach magnetic impurities while gliding.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a demagnetization system for preparing alumina for a lithium battery according to the present invention.
In the figure:
except that magnetism case 1, feeder hopper 2, spiral guide board 21, slope guide board 3, magnet layer 4, clearance mechanism 5, telescopic cylinder 51, scraper 52, discharge gate 6.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are 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.
Example 1
As shown in fig. 1, this embodiment provides a demagnetization system for aluminum oxide preparation for lithium battery, which includes: the device comprises a demagnetization box 1 and a feed hopper 2 positioned at the top of the demagnetization box 1; a plurality of inclined guide plates 3 are arranged in the demagnetizing box 1 from top to bottom in a staggered manner; the upper surface of each inclined guide plate 3 is provided with a magnet layer 4; after the powder material gets into in the demagnetization box 1 through feeder hopper 2, the powder material rolls the gliding in proper order along each inclined guide board 3, then magnet layer 4 adsorbs the magnetic impurities in the powder material. After the powder material gets into except that magnetism case 1 in through feeder hopper 2, the powder material can fall into inclined guide board 3 on, because inclined guide board 3 has certain inclination, then because the dead weight makes the powder material roll the glide down along each inclined guide board 3 in proper order, and the magnetic impurity in the powder material is detached by magnet layer 4 to the side glide limit to make the powder material get rid of magnetic impurity many times.
Wherein, the powder material refers to the prepared powder alumina, and the magnetic impurities refer to magnetic impurities such as rust, iron wires and the like.
In this embodiment, a spiral guide plate 21 is provided in the feed hopper 2, so that the powder material enters the demagnetizing box 1 along the spiral guide plate 21. Through setting up spiral guide board 21, make powder material spiral guide board 21 slowly get into except that in magnetic box 1, avoid powder material falling speed too fast to make the magnetic impurities in getting rid of the powder material that magnet layer 4 can be abundant.
In this embodiment, the spiral guide plate 21 is made of a magnetic material to adsorb magnetic impurities in the powder material. Because spiral guide plate 21 is the magnetism material, when powder material spiral guide plate 21 slowly got into except that magnetism case 1, carry out preliminary magnetic impurity of getting rid of to the powder material.
In this embodiment, a cleaning mechanism 5 is arranged above the connection part of the inclined guide plate 3 and the demagnetizing box 1; the cleaning mechanism 5 is suitable for cleaning magnetic impurities adsorbed on the surface of the magnet. Through setting up 5 clearance mechanisms of clearance magnetic layer surface adsorbed magnetic impurity, avoid long-term the use to cause 4 adsorption effect greatly reduced on magnet layer.
Optionally, the cleaning mechanism 5 includes: a telescopic cylinder 51 and a scraper 52; the telescopic cylinder 51 is adapted to drive the scraper blade 52 to move along one end of the inclined guide plate 3 to the other end to scrape off the magnetic impurities adsorbed on the surface of the magnet layer 4.
Wherein, the telescopic cylinder 51 is arranged on the inner wall of the degaussing box 1; after the powder material is finished and the magnetic impurities are removed, the scraper 52 is driven by the telescopic cylinder 51 to move to the other end along one end of the inclined guide plate 3, the magnetic impurities adsorbed on the surface of the magnet layer 4 can be scraped, the magnetic impurities scraped by the inclined guide plate 3 of the upper layer fall onto the inclined guide plate 3 of the lower layer, the magnetic impurities scraped by the inclined guide plate 3 of the last layer are scraped to the bottom of the demagnetizing box 1, and finally the magnetic impurities are discharged from the discharge port 6.
In the embodiment, the bottom of the demagnetizing box 1 is provided with a discharge hole 6; the bottom of the demagnetizing box 1 is inclined so as to facilitate the falling of the powder material from the discharge port 6. The bottom of the demagnetizing box 1 is arranged to be inclined, so that the powder material can be smoothly discharged from the discharge hole 6 under the action of the dead weight.
To sum up, the aluminum oxide preparation demagnetizing system for the lithium battery is provided with the plurality of inclined guide plates 3 in a staggered manner from top to bottom, and when the powder material rolls down and slides down along each inclined guide plate 3 in sequence, the magnet layer 4 adsorbs magnetic impurities in the powder material, so that the powder material can remove the magnetic impurities while sliding down; by arranging the spiral guide plate 21, the powder material spiral guide plate 21 slowly enters the demagnetizing box 1, so that the powder material is prevented from falling too fast, and the magnetic impurities in the powder material can be sufficiently removed by the magnet layer 4; because the spiral guide plate 21 is made of magnetic material, when the spiral guide plate 21 of the powder material slowly enters the demagnetizing box 1, the powder material is preliminarily removed of magnetic impurities; through setting up 5 clearance mechanisms of clearance magnetic layer surface adsorbed magnetic impurity, avoid long-term the use to cause 4 adsorption effect greatly reduced on magnet layer.
The components selected for use in the present application (components not illustrated for specific structures) are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.
In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. A demagnetization system for aluminum oxide preparation for lithium batteries is characterized by comprising:
the device comprises a demagnetization box and a feed hopper positioned at the top of the demagnetization box;
a plurality of inclined guide plates are arranged in the demagnetizing box in a staggered manner from top to bottom;
the upper surface of each inclined guide plate is provided with a magnet layer;
after the powder material enters the degaussing box through the feed hopper, the powder material rolls down and slides down along each inclined guide plate in sequence, and then the magnetic impurities in the powder material are adsorbed by the magnet layer.
2. The system for demagnetizing aluminum oxide for lithium batteries as claimed in claim 1,
be provided with the spiral guide board in the feeder hopper to make the powder material follow spiral guide board and get into in the demagnetization box.
3. The system for demagnetizing aluminum oxide for lithium batteries as claimed in claim 2,
the spiral guide plate is made of magnetic materials to adsorb magnetic impurities in the powder materials.
4. The system for demagnetizing aluminum oxide for lithium batteries as claimed in claim 1,
a cleaning mechanism is arranged above the connecting part of the inclined guide plate and the demagnetizing box;
the cleaning mechanism is suitable for cleaning magnetic impurities adsorbed on the surface of the magnet layer.
5. The system for demagnetizing aluminum oxide for lithium batteries as claimed in claim 4,
the clearance mechanism includes: a telescopic cylinder and a scraper;
the telescopic cylinder is suitable for driving the scraper to move to the other end along one end of the inclined guide plate so as to scrape off magnetic impurities adsorbed on the surface of the magnet layer.
6. The system for demagnetizing aluminum oxide for lithium batteries as claimed in claim 1,
a discharge hole is formed in the bottom of the demagnetizing box;
the bottom of the demagnetizing box is inclined so as to facilitate the falling of the powder material from the discharge hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021921504.4U CN213222699U (en) | 2020-09-04 | 2020-09-04 | Demagnetization system for aluminum oxide preparation for lithium battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021921504.4U CN213222699U (en) | 2020-09-04 | 2020-09-04 | Demagnetization system for aluminum oxide preparation for lithium battery |
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| CN213222699U true CN213222699U (en) | 2021-05-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114536659A (en) * | 2022-01-25 | 2022-05-27 | 张家港天乐橡塑科技股份有限公司 | Injection molding machine for automobile wire harness rubber part |
| CN115970884A (en) * | 2023-01-05 | 2023-04-18 | 佛山市天劲新能源科技有限公司 | Negative pole thick liquids edulcoration system |
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2020
- 2020-09-04 CN CN202021921504.4U patent/CN213222699U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114536659A (en) * | 2022-01-25 | 2022-05-27 | 张家港天乐橡塑科技股份有限公司 | Injection molding machine for automobile wire harness rubber part |
| CN114536659B (en) * | 2022-01-25 | 2024-05-24 | 张家港天乐橡塑科技股份有限公司 | Injection molding machine for automobile wire harness rubber part |
| CN115970884A (en) * | 2023-01-05 | 2023-04-18 | 佛山市天劲新能源科技有限公司 | Negative pole thick liquids edulcoration system |
| CN115970884B (en) * | 2023-01-05 | 2023-10-03 | 佛山市天劲新能源科技有限公司 | Negative electrode slurry impurity removal system |
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