CN111570084B - Pole piece surface metal object clearing device - Google Patents
Pole piece surface metal object clearing device Download PDFInfo
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- CN111570084B CN111570084B CN202010457841.0A CN202010457841A CN111570084B CN 111570084 B CN111570084 B CN 111570084B CN 202010457841 A CN202010457841 A CN 202010457841A CN 111570084 B CN111570084 B CN 111570084B
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- electromagnet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/20—Magnetic separation whereby the particles to be separated are in solid form
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning In General (AREA)
Abstract
The utility model provides a clear away pole piece surface metal thing clearing device, relates to battery equipment technical field, and the concrete scheme is as follows: the utility model provides a pole piece surface metal object clearing device, includes first electro-magnet, second electro-magnet, third electro-magnet and pivot, first electro-magnet and second electro-magnet are half cylinder structure, one side surface of third electro-magnet is the arc surface, first electro-magnet and second electro-magnet symmetry are fixed in the pivot, the arc surface setting of third electro-magnet is used for holding first electro-magnet or second electro-magnet at the side of pivot, first electro-magnet, second electro-magnet and third electro-magnet all are connected with the power electricity. The invention realizes the functions of cleaning the pole piece and self-cleaning simply and efficiently by controlling the rotation and the power-on and power-off of the electromagnet.
Description
Technical Field
The invention relates to the technical field of battery equipment, in particular to a device for removing metal objects on the surface of a pole piece.
Background
With the continuous development of science and technology and the increasing of the living standard of people, the types of electronic products meeting the living and entertainment requirements of people are more and more abundant, and personalized portable equipment is more and more favored by people. None of them are superior from smartphones, tablets, watches to model airplanes and drones. With the increasingly fierce market competition and the increasingly higher demands of people, how to distinguish from the fierce competition on the basis of meeting the demands of people is the focus of attention of a plurality of enterprises. The lithium battery is one of the most important hardware in a plurality of electronic products, and the quality of the performance of the lithium battery directly affects the comprehensive performance of the electronic products, so that no matter how a purchasing enterprise of the battery core or a company producing the battery core pays attention to how to improve the performance of the battery.
The lithium ion battery core has a very important process called winding in the production process, namely the production process of the winding core, the main process is to wind the diaphragm, the positive plate and the negative plate into a roll in a winding mode, and partial metal particles such as iron, cobalt and the like are attached to the surfaces of the positive plate and the negative plate which are required to be wound (when the front section slurry is stirred, partial metal is mixed in the slurry due to the abrasion of a metal stirring paddle, in addition, the slurry of the positive plate is lithium cobaltate, and partial cobalt metal is contained in the slurry), when the plate is taken away, the metal particles on the surface of the plate need to be cleaned, the surface cleanness of the plate is ensured, and the phenomenon that the internal short circuit occurs to the battery core in the post process or after the battery core is manufactured due to the fact that the metal particles pierce the diaphragm is avoided, and the quality and the safety performance of the battery core are further influenced. The mode of clearing away pole piece surface metal particle now is that pole piece tape transport department installs permanent magnet stick additional on the winder, adsorbs metal particle get off, current adsorption equipment's defect:
1. the metal objects on the permanent magnet are difficult to clean, and the metal objects on the magnet cannot be cleaned without demagnetization;
2. there is a risk of scraping the pole piece after excessive metal deposits have accumulated on the permanent magnet.
Disclosure of Invention
The invention provides a device for removing metal objects on the surface of a pole piece, which aims to simply and efficiently clean the metal objects on the pole piece. The specific technical scheme is as follows:
the utility model provides a pole piece surface metal object clearing device, includes first electro-magnet, second electro-magnet, third electro-magnet and pivot, first electro-magnet and second electro-magnet are half cylinder structure, one side surface of third electro-magnet is the arc surface, first electro-magnet and second electro-magnet symmetry are fixed in the pivot, the arc surface setting of third electro-magnet is used for holding first electro-magnet or second electro-magnet at the side of pivot, first electro-magnet, second electro-magnet and third electro-magnet all are connected with the power electricity.
Preferably, pole piece surface metal object clearing device still includes first conducting block, second conducting block and conductive shaft, the conductive shaft cover is established in the pivot, the pivot is rotated around conductive shaft, first conducting block and second conducting block symmetry are fixed in the pivot and with the surface contact of conductive shaft, the conductive shaft surface is provided with the breach, conductive shaft is connected with the power electricity, first conducting block is connected with first electro-magnet electricity, the second conducting block is connected with the second electro-magnet electricity.
Furthermore, one end of the first electromagnet is electrically connected with the first conducting block, and the other end of the first electromagnet is electrically connected with a power supply; one end of the second electromagnet is electrically connected with the second conductive block, and the other end of the second electromagnet is electrically connected with a power supply.
Furthermore, the installation direction of the first conductive block and the second conductive block is the same as the installation direction of the first electromagnet and the second electromagnet, and the notch of the conductive shaft is arranged on one side close to the third electromagnet.
Furthermore, the area of the outer arc surface of the notch is larger than the area of the contact surface of the first conductive block or the second conductive block and the conductive shaft.
Preferably, the conductive shaft is fixed on an outer bracket, and the rotating shaft is rotatably connected to the outer bracket.
Preferably, relays are arranged between the first electromagnet and the power supply, between the second electromagnet and the power supply, and between the third electromagnet and the power supply.
The invention has the beneficial effects that:
1. the pole piece cleaning device realizes pole piece cleaning by utilizing the rotation of the electromagnet, the specific structure of the electromagnet and power-on and power-off control, namely, the electromagnetic principle is utilized to adsorb metal particles on the surface of the pole piece;
2. the invention realizes self-cleaning of the device by utilizing the rotation and power-on and power-off control of the electromagnet, namely, the self-cleaning of the device is realized by the comprehensive action of the adsorption of the electromagnet and the gravity of metal particles under the power-on and power-off control.
Drawings
FIG. 1 is a schematic view of the overall structure of a device for removing metal objects on the surface of a pole piece;
FIG. 2 is a cross-sectional view of a device for removing metal from the surface of a pole piece;
in the figure: 1. the electromagnet comprises a first electromagnet, 2, a second electromagnet, 3, a third electromagnet, 4, a rotating shaft, 5, a first conducting block, 6, a second conducting block, 7, a conducting shaft, 71 and a notch.
Detailed Description
The technical solution of the present invention is further described below with reference to the drawings and the detailed description, but not limited thereto, and any modification or equivalent replacement of the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention shall be covered by the protection scope of the present invention.
Detailed description of the invention
A pole piece surface metal object clearing device comprises a first electromagnet 1, a second electromagnet 2, a third electromagnet 3 and a rotating shaft 4, wherein the first electromagnet 1 and the second electromagnet 2 are of semi-cylindrical structures, one side surface of the third electromagnet 3 is an arc surface, the rotating shaft 4 is arranged in the horizontal direction, the semi-cylindrical longitudinal sections of the first electromagnet 1 and the second electromagnet 2 are oppositely arranged and are fixed on the rotating shaft 4 to do circular motion along with the rotating shaft 4, the first electromagnet 1 and the second electromagnet 2 are positioned between a pole piece and the third electromagnet 3, when the rotating shaft 4 drives the first electromagnet 1 and the second electromagnet 2 to rotate, the arc surface of the third electromagnet 3 is used for accommodating the first electromagnet 1 or the second electromagnet 2, the two ends of the first electromagnet 2, the two ends of the second electromagnet 2 and the two ends of the third electromagnet 3 are electrically connected with a power supply, the rotating shaft 4 is rotatably connected to the external bracket.
The pole piece surface metal object removing device further comprises a first conductive block 5, a second conductive block 6 and a conductive shaft 7, wherein the conductive shaft 7 is sleeved in the rotating shaft 4, the first conductive block 5 and the second conductive block 6 are symmetrically fixed on the rotating shaft 4 and are in contact with the surface of the conductive shaft 7, a notch 71 is formed in the surface of the conductive shaft 7, when the first conductive block 5 or the second conductive block 6 rotates to the notch 71 along with the rotating shaft, the first conductive block 5 or the second conductive block 6 is not in contact with the conductive shaft 7, one end of the conductive shaft 7 is electrically connected with a power supply, the first conductive block 5 is electrically connected with one end of the first electromagnet 1, the other end of the first electromagnet 1 is electrically connected with the power supply, and the first electromagnet 1, the first conductive block 5, the conductive shaft 7 and the power supply form an electric loop; the second conductive block 6 is electrically connected with one end of the second electromagnet 2, the other end of the second electromagnet 2 is electrically connected with a power supply, and the second electromagnet 2, the second conductive block 6, the conductive shaft 7 and the power supply form an electric loop; the conductive shaft 7 provided with the notch 71 is equivalent to a circuit switch, and in the rotating process of the rotating shaft 4, the power on and off of the first electromagnet 1 and the second electromagnet 2 are controlled through the contact or non-contact of the first conductive block 5 and the second conductive block 6 and the surface of the conductive shaft 7; the conductive shaft 4 is fixed to an outer support.
Further, the installation direction of the first conductive block 5 and the second conductive block 6 is the same as the installation direction of the first electromagnet 1 and the second electromagnet 2, the notch 71 of the conductive shaft 7 is arranged at one side close to the third electromagnet 3, and when the first conductive block 5 rotates to the position of the notch 71, the first electromagnet 1 is positioned in the arc-shaped structure of the third electromagnet 3; when the second conductive block 6 rotates to the position of the notch 71, the second electromagnet 2 is positioned in the arc-shaped structure of the third electromagnet 3; the third electromagnet 3 is powered on and off at a certain frequency, and the time for powering off is far shorter than the time for the first conductive block 5 or the second conductive block 6 to pass through the notch 71.
The specific working process is as follows:
when the device is operated, the rotating shaft 4 rotates at a certain rotating speed at a constant speed, and the first electromagnet 1 and the second electromagnet 2 connected with the rotating shaft 4 rotate along with the rotating shaft 4; when the first electromagnet 1 is close to the surface of the pole piece, the first electromagnet 1, the first conductive block 5, the conductive shaft 7 and the power supply are in a conducting state, and the first electromagnet 1 can adsorb partial metal foreign matters on the surface of the pole piece; when the first electromagnet 1 rotates to the end far away from the pole piece, the first conducting block 5 just rotates to the position of the notch 71 of the conducting shaft 7, the first electromagnet 1, the first conducting block 5, the conducting shaft 7 and the power supply are in an open circuit state, the adsorption effect of the first electromagnet 1 is eliminated, metal foreign matters on the surface of the first electromagnet 1 can be transferred to the third electromagnet 3 under the adsorption of the third electromagnet 3 with an arc-shaped structure, metal matters on the surface of the first electromagnet 1 are cleaned and then continuously rotate to the non-notch position of the conducting shaft 7, the circuit is conducted, and metal matters on the surface of the pole piece are continuously adsorbed; the working process of the second electromagnet 2 is the same as that of the first electromagnet 1; the third electromagnet 3 is in a continuous off-on state, and metal objects on the first electromagnet 1 and the second electromagnet 2 are transferred downwards under the double action of magnetic force and gravity until a cleaner cleans the metal objects at the lowest part of the third electromagnet 3.
Detailed description of the invention
A pole piece surface metal object clearing device comprises a first electromagnet 1, a second electromagnet 2, a third electromagnet 3 and a rotating shaft 4, wherein the first electromagnet 1 and the second electromagnet 2 are of semi-cylindrical structures, one side surface of the third electromagnet 3 is an arc surface, the rotating shaft 4 is arranged in the horizontal direction, the semi-cylindrical longitudinal sections of the first electromagnet 1 and the second electromagnet 2 are oppositely arranged and are fixed on the rotating shaft 4 to do circular motion along with the rotating shaft 4, the first electromagnet 1 and the second electromagnet 2 are positioned between a pole piece and the third electromagnet 3, when the rotating shaft 4 drives the first electromagnet 1 and the second electromagnet 2 to rotate, the arc surface of the third electromagnet 3 is used for accommodating the first electromagnet 1 or the second electromagnet 2, the two ends of the first electromagnet 2, the two ends of the second electromagnet 2 and the two ends of the third electromagnet 3 are electrically connected with a power supply, the rotating shaft 4 is rotatably connected to the external bracket.
Relays are arranged between the first electromagnet 1 and the power supply, between the second electromagnet 2 and the power supply and between the third electromagnet and the power supply.
The specific working process is as follows: when the device is operated, the rotating shaft 4 rotates at a certain rotating speed at a constant speed, and the first electromagnet 1 and the second electromagnet 2 connected with the rotating shaft 4 rotate along with the rotating shaft 4; when the first electromagnet 1 is close to the surface of the pole piece, the relay controls the first electromagnet 1 and the power supply to be in a conducting state, and the first electromagnet 1 can adsorb partial metal foreign matters on the surface of the pole piece; when the first electromagnet 1 rotates to the end far away from the pole piece, the relay controls the first electromagnet 1 and the power supply to be in an open circuit state, the adsorption effect of the first electromagnet 1 is eliminated, metal foreign matters on the surface of the first electromagnet 1 can be transferred to the third electromagnet 3 under the adsorption of the third electromagnet 3 with an arc-shaped structure, the metal objects on the surface of the first electromagnet 1 are cleaned and then continuously rotate to the end close to the pole piece, the relay control circuit is conducted, and the metal objects on the surface of the pole piece are continuously adsorbed; the working principle and the process of the second electromagnet 2 are the same as those of the first electromagnet 1; the relay controls the third electromagnet 3 to be in a continuous off-on state, and metal objects on the first electromagnet 1 and the second electromagnet 2 are transferred downwards under the double effects of magnetic force and gravity until a cleaner cleans the metal objects at the lowest part of the third electromagnet 3.
Claims (7)
1. The utility model provides a pole piece surface metal thing clearing device which characterized in that: the pole piece surface metal object clearing device comprises a first electromagnet (1), a second electromagnet (2), a third electromagnet (3) and a rotating shaft (4), wherein the first electromagnet (1) and the second electromagnet (2) are of semi-cylindrical structures, one side surface of the third electromagnet (3) is an arc surface, the first electromagnet (1) and the second electromagnet (2) are symmetrically fixed on the rotating shaft (4), the arc surface of the third electromagnet (3) is arranged beside the rotating shaft (4) and used for accommodating the first electromagnet (1) or the second electromagnet (2), the first electromagnet (1), the second electromagnet (2) and the third electromagnet (3) are electrically connected with a power supply, the pole piece surface metal object clearing device further comprises a first conductive block (5), a second conductive block (6) and a conductive shaft (7), and the conductive shaft (7) is sleeved in the rotating shaft (4), the utility model discloses a power supply, including pivot (4), first conducting block (5) and second conducting block (6), pivot (4) rotate around conducting shaft (7), first conducting block (5) and second conducting block (6) symmetry are fixed on pivot (4) and with the surface contact of conducting shaft (7), conducting shaft (7) surface is provided with breach (71), conducting shaft (7) are connected with the power electricity, first conducting block (5) are connected with first electro-magnet (1) electricity, second conducting block (6) are connected with second electro-magnet (2) electricity.
2. The pole piece surface metal object removing device according to claim 1, wherein: one end of the first electromagnet (1) is electrically connected with the first conductive block (5), and the other end of the first electromagnet is electrically connected with a power supply; one end of the second electromagnet (2) is electrically connected with the second conductive block (6), and the other end of the second electromagnet is electrically connected with a power supply.
3. The pole piece surface metal object removing device according to claim 1, wherein: the installation direction of the first conductive block (5) and the second conductive block (6) is the same as that of the first electromagnet (1) and the second electromagnet (2), and the notch (71) of the conductive shaft (7) is arranged on one side close to the third electromagnet (3).
4. The pole piece surface metal object removing device according to claim 1, wherein: the area of the outer arc surface of the notch (71) is larger than the area of the contact surface of the first conductive block (5) or the second conductive block (6) and the conductive shaft (7).
5. The pole piece surface metal object removing device according to claim 1, wherein: the conductive shaft (7) is fixed on an external bracket.
6. The pole piece surface metal object removing device according to claim 1, wherein: the rotating shaft (4) is rotatably connected to the outer support.
7. The utility model provides a pole piece surface metal thing clearing device which characterized in that: the electromagnetic switch comprises a first electromagnet (1), a second electromagnet (2), a third electromagnet (3) and a rotating shaft (4), wherein the first electromagnet (1) and the second electromagnet (2) are of semi-cylindrical structures, one side surface of the third electromagnet (3) is an arc surface, the first electromagnet (1) and the second electromagnet (2) are symmetrically fixed on the rotating shaft (4), the arc surface of the third electromagnet (3) is arranged beside the rotating shaft (4) and used for accommodating the first electromagnet (1) or the second electromagnet (2), the first electromagnet (1), the second electromagnet (2) and the third electromagnet (3) are electrically connected with a power supply, a relay is arranged between the first electromagnet (1) and the power supply, between the second electromagnet (2) and the power supply and between the third electromagnet (3) and the power supply, and when the first electromagnet (1) is close to the surface of a pole piece, the relay controls the first electromagnet (1) and the power supply to be in a conducting state, when the first electromagnet (1) rotates to the end far away from the pole piece, the relay controls the first electromagnet (1) and the power supply to be in a circuit breaking state, metal foreign matters on the surface of the first electromagnet (1) can be transferred to the third electromagnet (3) under the adsorption of the third electromagnet (3) with an arc-shaped structure, and the working principle and the working process of the second electromagnet (2) are the same as those of the first electromagnet (1); the relay controls the third electromagnet (3) to be in a continuous off-on state.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010457841.0A CN111570084B (en) | 2020-05-26 | 2020-05-26 | Pole piece surface metal object clearing device |
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| CN202010457841.0A CN111570084B (en) | 2020-05-26 | 2020-05-26 | Pole piece surface metal object clearing device |
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| CN111570084B true CN111570084B (en) | 2022-05-10 |
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| CN112397687B (en) * | 2020-11-16 | 2022-02-18 | 合肥国轩高科动力能源有限公司 | Method for demagnetizing metal impurity particles on surface of electrode plate of lithium battery |
| CN112387712A (en) * | 2020-11-18 | 2021-02-23 | 珠海冠宇电池股份有限公司 | Pole piece cleaning device and cleaning method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210058615U (en) * | 2019-04-08 | 2020-02-14 | 九江职业技术学院 | Metal filing screening device applied to machining |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1491584A1 (en) * | 1987-09-30 | 1989-07-07 | Ворошиловградский машиностроительный институт | Electromagnetic suspended iron separator |
| SU1722589A1 (en) * | 1990-02-09 | 1992-03-30 | Ю.В. Белых, А.В. Максимов, Г.М. Куроч- кин, С.А. Учитель и Е.П. Белых | Magnetic separator |
| GB2252737A (en) * | 1991-02-16 | 1992-08-19 | Alan Richard Jauncey | Separation devices |
| RU2386481C1 (en) * | 2008-09-04 | 2010-04-20 | Общество с ограниченной ответственностью "ЭРГА Плюс" | Magnetic separator with variable magnetic field |
| CN207770024U (en) * | 2018-02-07 | 2018-08-28 | 张掖市金农源生物科技有限公司 | A kind of iron dross removing device for livestock feed processing equipment |
| CN209735800U (en) * | 2019-03-27 | 2019-12-06 | 广东合鑫生物科技有限公司 | Magnetic particle separating device |
| CN210474294U (en) * | 2019-08-13 | 2020-05-08 | 中节能（合肥）可再生能源有限公司 | Rotary flying ash metal sorting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210058615U (en) * | 2019-04-08 | 2020-02-14 | 九江职业技术学院 | Metal filing screening device applied to machining |
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