CN109827410B - Drying assembly and drying equipment for battery or battery material body - Google Patents
Drying assembly and drying equipment for battery or battery material body Download PDFInfo
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- CN109827410B CN109827410B CN201811570047.6A CN201811570047A CN109827410B CN 109827410 B CN109827410 B CN 109827410B CN 201811570047 A CN201811570047 A CN 201811570047A CN 109827410 B CN109827410 B CN 109827410B
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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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Abstract
The invention provides a drying assembly for batteries or battery material bodies, which comprises a plurality of accommodating boxes, wherein each accommodating box is internally provided with an accommodating cavity, the accommodating cavities of the accommodating boxes are independent from each other, the accommodating cavities are used for accommodating at least one battery or battery material body, each accommodating box is provided with at least one energy source, and the at least one energy source is used for drying the battery or battery material body in the accommodating cavity. The invention solves the problem that the moisture can react on the carbon cathode of the battery or the battery material body in the first charge-discharge process of the battery or the battery material, thereby solving the technical problems of the reduction of the charge-discharge efficiency and the cycle efficiency of the battery or the battery material body, the bulge of the battery or the battery material body and the like caused by the moisture.
Description
Technical Field
The invention relates to the field of batteries, in particular to a drying assembly and drying equipment for a battery or a battery material body.
Background
Moisture has a significant effect on the performance of the battery or battery material. If the battery core contains moisture, the moisture reacts on the carbon negative electrode of the battery or the battery material during the first charge and discharge of the battery or the battery material as follows:
H2O+2e++2Li+→2Li2O+H2↑
LiPF6+H2O→LiF+POF3+2HF↑
on one hand, the two reactions consume limited lithium ions in the battery or the battery material, so that the irreversible capacity of the battery or the battery material is increased, and the generated HF can damage an SEI film to cause secondary film formation, so that the performance of the battery or the battery material is deteriorated; on the other hand, the reaction product Li2O has an adverse effect on the electrochemical performance of the electrode; meanwhile, the gases generated by the two reactions also cause the internal pressure of the battery or the battery material to increase, so that the technical problems of the battery or the battery material, such as the reduction of the charging and discharging efficiency, the reduction of the cycle efficiency, the bulge of the battery or the battery material, and the like, are caused.
Disclosure of Invention
The invention aims to provide a drying assembly and drying equipment for a battery or a battery material body, which aim to solve the technical problems of reduction of charging and discharging efficiency and cycle efficiency of the battery or the battery material body, bulging of the battery or the battery material body and the like caused by moisture due to the fact that moisture reacts on a carbon negative electrode of the battery or the battery material body in the first charging and discharging process of the battery or the battery material body.
The invention provides a drying assembly for batteries or battery material bodies, which comprises a plurality of accommodating boxes, wherein each accommodating box is internally provided with an accommodating cavity, the accommodating cavities of the accommodating boxes are independent from each other, the accommodating cavities are used for accommodating at least one battery or battery material body, each accommodating box is provided with at least one energy source, and the at least one energy source is used for drying the battery or battery material body in the accommodating cavity.
Wherein the volume of a single said containing cavity is between 0.00001 and 0.2 cubic meter; and/or, a horizontal cross-sectional area of a single said containment chamber is between 0.001 and 1 square meter.
Each accommodating box is provided with an air passage, one end of each air passage is communicated with the accommodating cavity, the other end of each air passage is communicated with an external vacuum device, and the vacuum devices are used for enabling the vacuum degree in the accommodating cavities to reach the preset vacuum degree within the preset time so as to enable water molecules to escape in a molecular state.
The at least one energy source is contained in the containing cavity and is arranged on the wall of the containing cavity, and the at least one energy source is used for being in contact with the battery or the battery material body.
The at least one energy source is arranged on the same side in the accommodating cavity, at least one elastic piece is arranged between the energy source and the inner wall of the accommodating cavity, and the at least one elastic piece is used for pushing the energy source to be in contact with the battery or the battery material body;
and/or the energy sources are arranged on two opposite sides of the accommodating cavity, at least one elastic piece is arranged between the energy sources and the inner wall of the accommodating cavity, and the at least one elastic piece is used for pushing the energy sources from two directions to be in contact with two surfaces of the battery or the battery material body.
The accommodating box further comprises a heat conducting part, the at least one energy source is arranged outside the accommodating cavity, the inner wall of the accommodating cavity is used for bearing the battery or the battery material body, and the at least one energy source is connected with the inner wall of the accommodating cavity through the heat conducting part.
Wherein the energy source is a heating source or a cooling source.
The invention provides a drying device for a battery or a battery material body, which comprises a driving mechanism and the drying component, wherein the drying component is arranged on the driving mechanism, each accommodating box comprises a first box part and a second box part, and the driving mechanism is used for driving the first box part to be closed relative to the second box part so as to form the accommodating cavity and driving the first box part to be opened relative to the second box part.
Wherein the first box part is rotatably connected (including through an opening and closing mechanism) or detachably connected with the second box part.
The driving mechanism comprises a first bearing driving piece, a second bearing driving piece and a controller, the first box part is connected to the first bearing driving piece, and the first bearing driving piece is used for bearing and driving the first box part to move; the second box part is connected to the second bearing driving part, the second bearing driving part is used for bearing and driving the second box part to move, and the controller is used for driving the first bearing driving part and the second bearing driving part to move so that the second box part can be opened or closed relative to the first box part.
The first bearing driving piece is a first conveyor belt, and the first box parts are distributed on the first conveyor belt in an array mode and are conveyed through the first conveyor belt; and/or the second bearing driving piece is a second conveyor belt, and the second box parts are distributed on the second conveyor belt in an array manner and are conveyed by the second conveyor belt; the second box part opposite to the first box part is opened or closed relative to the first box part.
The first bearing driving part is a driving disc, the first box parts are arranged on the driving disc at intervals and are driven to rotate around the center of the driving disc by the driving disc, the second bearing driving part comprises a plurality of mechanical arms, one second box part is connected to one mechanical arm, the mechanical arms radially extend outwards in the center, and one second box part corresponds to one first box part; the mechanical arm drives the second box part to open or close relative to the first box part.
The first bearing driving piece is a support, the support comprises a plurality of support frames which are arranged in a stacked mode, each support frame comprises a first inner wall and a second inner wall which are arranged oppositely, the first box portion is borne on the first inner wall, the second box portion is connected to the second inner wall through the second bearing driving piece, and the second bearing driving piece drives the second box portion to move relative to the second inner wall so as to cover or open the first box portion.
The dry drying equipment further comprises a sealing ring, the sealing ring is arranged between the first box part and the second box part, and the sealing ring surrounds the accommodating cavity.
In conclusion, the vacuum degree of the accommodating boxes reaches the vacuum degree of water molecules which can rapidly escape in a short time through the plurality of accommodating boxes, at least the heat conduction function of the energy source and the vacuumizing of each accommodating box, so that the water molecules can rapidly escape, the rapid drying of the battery or the battery material body is realized, and the drying efficiency is improved.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of a structure of a battery or a dry component of a battery material body provided by the present invention.
FIG. 2 is a schematic view of the structure of the accommodation box in FIG. 1.
FIG. 3 is a sectional view schematically showing the structure of the accommodation box shown in FIG. 2.
FIG. 4 is a second sectional view schematically showing the accommodation box of FIG. 1.
FIG. 5 is a schematic view of a third sectional structure of the accommodation box in FIG. 1.
Fig. 6 is a first structural schematic diagram of the drying apparatus for a battery or a battery material body provided by the present invention.
Fig. 7 is a front view schematically showing the construction of a drying apparatus for a battery or a battery material body shown in fig. 6.
Fig. 8 is a schematic view showing a second construction of the drying apparatus for a battery or a battery material body according to the present invention.
Fig. 9 is a schematic view showing a third construction of the drying apparatus for a battery or a battery material body according to the present invention.
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, the present invention provides a drying assembly 100 for a battery or a battery material body, including a plurality of accommodating boxes 10, each accommodating box 10 having an accommodating cavity 101 therein, the accommodating cavities 101 of the plurality of accommodating boxes 10 being independent of each other, the accommodating cavity 101 being configured to accommodate at least one battery or a battery material body 20, each accommodating box 10 being installed with at least one energy source 30, and the at least one energy source 30 being configured to dry the battery or the battery material body 20 in the accommodating cavity 101. In the present embodiment, the battery or the battery material body 20 is one or more. The energy source 30 is one or more. At least one battery or battery material body 20 is one or more. In the present invention, the energy source 30 includes a heating source or a cooling source. When the battery or the battery material 20 is dried, three steps of temperature rise, vacuum moisture removal and temperature reduction are available, and when the invention is in a vacuum moisture removal section, a heating source is used; when the present invention is in the cooling stage, a cooling source is used (the same applies below). When the energy source 30 is used as a heat source, it may be oil heat, water heat, steam heat, electric heat, electromagnetic heating, or microwave heating; when the energy source 30 is used as a cold source, it can be cooled by using a coolant such as water cooling or liquid nitrogen as a medium. Several containing boxes 10 are arranged at intervals or adjacent to each other.
Therefore, the present invention dries the battery or the battery material body 20 by the at least one energy source 30 installed in each container box 10 to remove moisture in the battery or the battery material body 20, thereby avoiding a reaction of moisture on the carbon cathode of the battery or the battery material body 20 during the first charge and discharge of the battery or the battery material, and solving the technical problems of the reduction of the charge and discharge efficiency of the battery or the battery material body 20, the reduction of the cycle efficiency, the bulge of the battery or the battery material body 20, and the like caused by moisture.
In the prior art, in order to remove moisture from batteries or battery materials, currently used apparatuses are drying ovens or drying lines, which are mainly classified into single-body ovens, contact-type single-body ovens, hot-air tunnel drying lines, and contact-type tunnel drying lines. The existing single oven generally needs more than 24 hours from the time when the battery or the battery material body is put into the oven to the time when the drying is finished, the contact type single oven generally needs more than 5 hours, and the hot air type tunnel drying line and the contact type tunnel drying line generally need more than 7 hours, so that the existing equipment for drying the moisture in the battery or the battery material body 20 can be finished only by needing a long time, the production of the battery or the battery material body 20 can not be continuously operated, and the battery or the battery material body 20 in the drying process of the battery or the battery material body 20 is accumulated.
In the present application, the drying assembly 100 includes a plurality of housing boxes 10, and the housing cavities 101 of the plurality of housing boxes 10 are independent of each other, so that a single housing box 10 only needs to dry a small amount of batteries or battery material bodies 20, while a plurality of battery or battery material bodies 20 are dried in batch at a time by the plurality of housing boxes 10. Furthermore, a single housing box 10 requires less time for drying a small number of batteries or battery material bodies 20, while a plurality of housing boxes 10 dry a large number of batteries or battery material bodies 20, and thus less time is required for drying a large number of batteries or battery material bodies 20, so that the time required for completely drying the batteries or battery material bodies 20 can be controlled within a suitable range, thereby solving the technical problem that the time required for drying the batteries or battery material bodies 20 is long although the batteries or battery material bodies 20 can be dried in the conventional apparatus.
Referring to fig. 2-5, in one embodiment, the volume of a single chamber 101 is between 0.00001 and 0.2 cubic meters; and/or a horizontal cross-sectional area of the individual receiving chambers 101 is between 0.001 and 1 square meter. Compared with the existing drying equipment, the single accommodating cavity 101 of the drying equipment is small in volume. And the volume and cross-sectional area of the receiving cavity 101 of the present application are related to the kind of the dried battery or battery material body 20. When the volume of the battery or the battery material body 20 is large, such as a power battery or a battery material, only one layer of battery or the battery material body 20 may be provided, and the number of the batteries or the battery material bodies 20 in the horizontal direction is preferably less than 5, when the battery or the battery material body 20 is small, such as a mobile phone battery or the battery material body 20, etc., a lamination manner may be selected, the number of the layers stacked up and down is preferably not more than 10, and the number of the batteries or the battery material bodies 20 in the horizontal direction is preferably less than 30, that is, on the basis of the accommodation cavity 101 with a small volume in the present application, the number of the batteries or the battery material bodies 20 accommodated in the accommodation cavity 101 is determined according to the size of the batteries or the battery material bodies 20, which is not limited herein. The number of batteries or battery material bodies 20 dried at a time is controlled within 800 pieces.
Each accommodating box 10 is provided with an air passage 102, one end of the air passage 102 is communicated with the accommodating cavity 101, the other end of the air passage 102 is used for being communicated with an external vacuum device (not shown), and the vacuum device is used for enabling the vacuum degree in the accommodating cavity 101 to reach a preset vacuum degree within a preset time so as to enable water molecules to escape in a molecular state. Also hasThat is to say, at the in-process that battery or the battery material body 20 carried out the drying, moisture can evaporate and produce vapor, and this application is to holding chamber 101 evacuation through external vacuum apparatus to reach preset vacuum degree in the time of predetermineeing, can further take away the vapor that holds in the chamber 101, accelerated dry speed, thereby can make the dry time of battery or the battery material body 20 shorter. In the present application, the position of the air passage 102 is not limited, and the air passage 102 may be located on the top wall or the bottom wall of the accommodating box 10, and the air passage may also be located on the side wall of the accommodating box 10. The vacuum means comprises a vacuum pump. The preset time does not exceed 15 minutes. The preset vacuum degree is 10-6-500 Pa. The actual time and the vacuum degree are determined according to specific actual conditions.
In a specific embodiment, at least one energy source 30 is contained in the containing cavity 101 and is mounted on the wall of the containing cavity 101, and the at least one energy source 30 is used for contacting the battery or the battery material body 20. Specifically, in order to further improve the drying efficiency of the battery or the battery material body, the energy source 30 of the present application is in direct contact with the battery or the battery material body 20, and the battery or the battery material body 20 is embedded on the inner wall of the accommodating cavity 101, so that the energy source 30 dries the battery or the battery material body 20 at least in a heat conduction manner, and the drying efficiency is high. In the process of drying the battery or the battery material body 20, since the vacuum device vacuumizes the accommodating cavity 101, gas flows, and the battery or the battery material body 20 can be further dried in a convection or radiation mode, so that the drying efficiency is further improved. In the present application, the energy source 30 directly contacts with the inner wall of the accommodating chamber 101, the position of the energy source 30 is not limited, and the energy source 30 may be located at any position of the inner wall of the accommodating chamber 101 as long as it can directly contact with the battery or the battery material body 20. The number of energy sources 30 is not limited, and a plurality of energy sources 30 may further improve the drying efficiency of the battery or battery material body 20.
Referring to fig. 2-3, in an embodiment, at least one energy source 30 is installed on the same side in the accommodating cavity 101, at least one elastic element 50 is disposed between the energy source 30 and the inner wall of the accommodating cavity 101, and the at least one elastic element 50 is used for pushing the energy source 30 to contact with the battery or the battery material body 20. That is, when the battery or the battery material body 20 is loaded into the accommodating cavity 101, only one side of the battery or the battery material body 20 has the energy source 30, and the at least one elastic member 50 pushes the energy source 30 to contact with the battery or the battery material body 20, so that the energy source 30 dries the battery or the battery material body 20 at least by means of heat conduction, and the drying efficiency is high. The elastic member 50 includes, but is not limited to, a spring, and may be any other elastic member as long as it can exert an elastic function (the same applies below).
Referring to fig. 4, in another embodiment, a plurality of energy sources 30 are installed at two opposite sides of the accommodating cavity 101, at least one elastic member 50 is disposed between the energy sources 30 and the inner wall of the accommodating cavity 101, and the at least one elastic member 50 is used for pushing the energy sources 30 from two directions to contact with two surfaces of the battery or the battery material body 20. That is, when the battery or the battery material body 20 is contained in the containing cavity 101, the plurality of energy sources 30 are located on two opposite sides of the battery or the battery material body 20, and the at least one elastic member 50 is used for pushing the energy sources 30 from two directions to contact with two surfaces of the battery or the battery material body 20, so that the energy sources 30 dry the battery or the battery material body 20 at least by means of heat conduction, and the drying efficiency is high.
Referring to fig. 5, in another embodiment, the accommodating box 10 further includes a heat conducting portion 103, at least one energy source 30 is disposed outside the accommodating cavity 101, an inner wall of the accommodating cavity 101 is used for carrying the battery or the battery material 20, and the at least one energy source 30 is connected to the inner wall of the accommodating cavity 101 through the heat conducting portion 103. That is, in the present invention, the battery or the battery material body 20 is bonded to the inner surface of the heat conduction portion 103, the energy source 30 is bonded to the outer surface of the heat conduction portion 103, and the battery or the battery material body 20 is dried by the heat conduction action of the heat conduction portion 103. In the present embodiment, the heat conduction portion 103 is made of a metal material. The outer surface of the heat conducting part 103 may be a flat surface, the energy source 30 may be disposed on the flat surface, the outer surface of the heat conducting part 103 may also be provided with a groove, and the energy source 30 may be disposed in the groove. In other embodiments, the entire accommodation box 10 is made of a metal material, and the heat conduction efficiency of the accommodation box 10 is higher.
Of course, in the present application, multiple layers of batteries or battery material bodies 20 may be disposed in the accommodating cavity 101, the battery material bodies may be electrode plates, etc., and a plurality of batteries or battery material bodies 20 may be disposed in a horizontal plane of each layer, and may be arranged in an array, and the energy sources 30 are respectively disposed on the outer wall of the accommodating cavity 101. The arrangement and number of the batteries or battery material bodies 20 in the present application are not limited.
Therefore, the vacuum degree that the box 10 will hold the box 10 in a short time has been realized to this application through the box 10 that holds of several little volumes, through the at least heat conduction effect of energy source 30 and through carrying out the evacuation to every box 10 that holds to reach the vacuum degree that the hydrone escaped fast, and then the hydrone can escape fast, has realized the rapid draing to battery or battery material body 20, has improved drying efficiency.
In a specific practice, the number of batteries or battery material bodies 20 dried at a time is controlled to be within 800 (sheets), heating is carried out by means of heat conduction, and the degree of vacuum of the accommodating chamber 101 is 10-6Under the environment of 500Pa, the drying time of the battery with the capacity of 20Ah including 20Ah can be completed within 2-90 minutes; the drying time of the battery with the capacity of 20-500 Ah can be completed within 10-300 minutes; thereby greatly reducing the drying time with respect to at least 5h of the prior art and without the accumulation of the battery or battery material body 20, thereby truly achieving continuous production of the battery or battery material body 20. The vacuum drying completion time-complete drying in the present invention means a time taken for the battery or battery material body of the nonaqueous positive electrode material to have a water content of less than 200ppm when the water content of the battery or battery material body 20 of the aqueous positive electrode material is less than 400 ppm.
In a specific practice, as a drying 3C battery, the housing chamber 101 can be designed to have a volume of 300mm long, 250mm wide and 30mm high, 4 batteries can be placed at a time, and the housing case 10 is set on one rack for drying.
When drying a battery pole piece (one of battery material bodies), several layers of battery pole pieces can be stacked up and down in the accommodating cavity 101 of the accommodating box 10, the energy source 30 can adopt an electromagnetic oven or a microwave oven as a heat source to heat the battery pole piece in at least a heat conduction mode, and in order to accelerate the drying speed, another energy source 30 can also heat the other surface of the battery pole piece in a radiation or heat conduction mode.
When drying power batteries (or batteries with relatively large volume), the volume of the accommodating cavity 101 of the accommodating box 10 can be designed to accommodate 1-2 power batteries, and the multiple surfaces of the energy sources 30 are heated in a heat conduction mode, so that the drying time can be saved by more than half compared with a traditional oven.
When the cylindrical batteries are dried, the cylindrical batteries can be orderly placed by using the metal tray, and then the metal tray and the metal tray are placed into the accommodating cavity 101 together for drying; if during dry laminate polymer battery, can stack laminate polymer battery from top to bottom in holding chamber 101 or put into through metal tray laminate polymer battery who stacks from top to bottom and hold chamber 101 and carry out the drying together.
The accommodating box 10 with small volume is adopted to accommodate 1-800 batteries or battery material bodies 20, the accommodating box 10 can accommodate 1-5 batteries or battery material bodies with large volume, and the accommodating box 10 can accommodate less than 800 batteries or battery material bodies 20 with small volume, so that the accommodating box 10 can accommodate much less batteries or battery material bodies 20 compared with the existing method that the accommodating box 10 can accommodate more than 5000 batteries or battery material bodies each time in a drying way; in addition, the external energy source 30 directly heats the battery or the battery material body 20 in at least a heat conduction manner, so that the heat of the battery or the battery material body 20 can be rapidly increased, the preheating time of the battery or the battery material body 20 is only 4% of the time of the existing drying oven, and the drying time of the battery or the battery material body 20 is greatly shortened due to the small number of batteries or the battery material bodies 20 in the single accommodating cavity 101.
Through tests, the results of the drying component of the invention compared with the traditional drying box are as follows:
from the above table, it can be seen that when a single cell or cell material is dry, the same conditions, such as a vacuum degree of between 0.1 Pa and 50Pa, are applied, and only 14 minutes are needed for a 26mm power cell or cell material 20.
Referring to fig. 6 to 9, the present invention further provides a drying apparatus for a battery or a battery material body, the drying apparatus comprising a driving mechanism and the above-mentioned drying assembly 100, the drying assembly 100 being mounted on the driving mechanism, each accommodating box 10 comprising a first box portion 106 and a second box portion 107, the driving mechanism being configured to drive the first box portion 106 to close relative to the second box portion 107 to form an accommodating cavity 101, and to drive the first box portion 106 to open relative to the second box portion 107.
The first cassette part 106 is rotatably or detachably connected to the second cassette part 107. That is, the first cassette part 106 and the second cassette part 107 may be directly separated from each other, or the first cassette part 106 and the second cassette part 107 may be rotatably connected by an opening and closing mechanism. The opening and closing mechanism 21 may be a hinge or a four-bar linkage, which is more advantageous for opening and closing the first box portion 106 with respect to the second box portion 107.
Specifically, the first box portion 106 includes a first sub-cavity, the second box portion 107 includes a second sub-cavity, when the first box portion 106 is covered relative to the second box portion 107, the first sub-cavity and the second sub-cavity form the accommodating cavity 101, the at least one energy source 30 is located in the first sub-cavity, and the at least one energy source 30 is located in the second sub-cavity. In a specific embodiment, the at least one energy source 30 completely fills the first sub-cavity. In other embodiments, at least one energy source 30 partially fills the first sub-cavity, and the remaining portion of the first sub-cavity facilitates the alignment of the battery or body of battery material 20 so that the battery or body of battery material 20 can be aligned with the energy source 30 without shifting.
The drying apparatus further comprises a sealing ring 60, the sealing ring 60 being arranged between the first box part 106 and the second box part 107, the sealing ring 60 surrounding the receiving chamber 101. Specifically, in order to seal the housing chamber 101, the seal ring 60 is provided between the first box portion 106 and the second box portion 107 and surrounds the housing chamber 101, thereby sealing the housing chamber 101.
The driving mechanism 200 includes a first carrying driving member 70, a second carrying driving member 80 and a controller (not shown), the first box portion 106 is connected to the first carrying driving member 70, and the first carrying driving member 70 is used for carrying and driving the first box portion 106 to move; the second box portion 107 is connected to the second bearing driving member 80, the second bearing driving member 80 is used for bearing and driving the second box portion 107 to move, and the controller is used for driving the first bearing driving member 70 and the second bearing driving member 80 to move, so that the second box portion 102 is opened or closed relative to the first box portion 101.
The application still includes material feeding unit and extracting device. The feeding device is used for feeding the batteries or the battery material bodies 20 into the first box part 106, and the taking device is used for taking out the batteries or the battery material bodies 20 after the drying of the batteries or the battery material bodies 20 is completed. The feeding device and the taking device can be mechanical arms.
Referring to fig. 6-7, in an embodiment, the first carrier driving member 70 is a first conveyor belt 701, and the first box portions 106 are distributed on the first conveyor belt 701 in an array and conveyed by the first conveyor belt 701; and/or the second bearing driving element 80 is a second conveyor belt 801, and the second box parts 107 are distributed on the second conveyor belt 801 in an array and conveyed by the second conveyor belt 801; the second box portion 107, which is opposed to the first box portion 106, is opened or closed with respect to the first box portion 106. In this embodiment, the arrangement direction of the first cassette parts 106 on the first conveyor belt 701 is the same as the running direction of the first conveyor belt 701, and the arrangement direction of the second cassette parts 107 on the first conveyor belt 701 is the same as the running direction of the second conveyor belt 801, so that one second cassette part 107 can be ensured to be opened or closed relative to one first cassette part 106. Specifically, after the battery or the battery material 20 is mounted on the first box portion 106, the second box portion 107 is driven by the second conveyor belt 801 to be buckled with the first box portion 106, so that the second box portion 107 and the first box portion 106 are combined to form the accommodating cavity 101 for accommodating the battery or the battery material 20; after the first conveyor belt 701 and the second conveyor belt 801 move synchronously for a predetermined drying time, the first cassette part 106 and the second cassette part 107 are separated. In this embodiment, the length of the first conveyor belt 701 is greater than that of the second conveyor belt 801, and the second conveyor belt 801 is located at a position approximately in the middle of the first conveyor belt 701, so as to leave a feeding station of the feeding device and a taking station of the taking device on the first conveyor belt 701.
Referring to fig. 8, in another embodiment, the first carrier driver 70 is a driving disk 702, the plurality of first cassette parts 106 are disposed on the driving disk 702 at intervals, and the plurality of first cassette parts 106 are driven by the driving disk 702 to rotate around the center of the driving disk 702, the second carrier driver 80 includes a plurality of arms 802, one second cassette part 107 is connected to one arm 802, the plurality of arms 802 extend radially outward from the center, and one second cassette part 107 corresponds to one first cassette part 106; the mechanical arm 802 drives the second cassette part 107 to open or close relative to the first cassette part 106. In this embodiment, the driving disc 702 drives the first box portion 106 to rotate around the center of the driving disc 702, and when the feeding device mounts the battery or the battery material 20 on the first box portion 106, the second box portion 107 covers the first box portion 106 under the clamping of the manipulator, so that the first box portion 106 and the second box portion 107 form the accommodating cavity 101 for accommodating the battery or the battery material 20. After the drive disk 702 has been rotated for a predetermined drying time, the robot separates the first cassette part 106 from the second cassette part 107, and the take-out device takes out the dried battery or battery material 20.
Referring to fig. 9, in another embodiment, the first bearing driving member 70 is a bracket 703, the bracket 703 includes a plurality of bracket frames 704 arranged in a stacked manner, each bracket frame 704 includes a first inner wall 704a and a second inner wall 704b arranged oppositely, the first box portion 106 is borne on the first inner wall 704a, the second box portion 107 is connected to the second inner wall 704b through the second bearing driving member 80, and the second bearing driving member 80 drives the second box portion 107 to move relative to the second inner wall 704b so as to cover or open relative to the first box portion 106. In this embodiment, the accommodating boxes 10 are arranged on the support 150 in multiple layers, the first box portion 106 of each layer is connected to the support 703 through the bottom plate thereof, and the second box portion 107 is driven by the second load driving member 80 to open or close relative to the first box portion 106. The second carriage drive member 80 in this embodiment may be an air cylinder, or may be another structure that can drive the second cassette part 107 to open or close relative to the first cassette part 106.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (12)
1. The drying equipment for the batteries or the battery material bodies is characterized by comprising a driving mechanism and a drying assembly, wherein the drying assembly is installed on the driving mechanism and comprises a plurality of accommodating boxes, each accommodating box is internally provided with an accommodating cavity, the accommodating cavities of the accommodating boxes are independent of each other, the accommodating cavities are used for accommodating at least one battery or battery material body, each accommodating box is provided with at least one energy source, and the at least one energy source is used for drying the battery or battery material body in the accommodating cavity; each accommodating box comprises a first box part and a second box part, and the driving mechanism is used for driving the first box part to be closed relative to the second box part to form the accommodating cavity and driving the first box part to be opened relative to the second box part; the driving mechanism comprises a first bearing driving piece, a second bearing driving piece and a controller, the first box part is connected with the first bearing driving piece, and the first bearing driving piece is used for bearing and driving the first box part to move; the second box part is connected to the second bearing driving part, the second bearing driving part is used for bearing and driving the second box part to move, and the controller is used for driving the first bearing driving part and the second bearing driving part to move so that the second box part can be opened or closed relative to the first box part.
2. Drying apparatus according to claim 1, wherein the volume of a single said containing chamber is between 0.00001 and 0.2 cubic metres; and/or, a horizontal cross-sectional area of a single said containment chamber is between 0.001 and 1 square meter.
3. The drying apparatus according to claim 2, wherein each accommodating box is provided with an air passage, one end of the air passage is communicated with the accommodating cavity, the other end of the air passage is used for communicating with an external vacuum device, and the vacuum device is used for enabling the vacuum degree in the accommodating cavity to reach a preset vacuum degree within a preset time so as to enable water molecules to escape in a molecular state.
4. Drying apparatus according to any one of claims 1 to 3, wherein the at least one energy source is housed within the housing chamber and mounted on a wall of the housing chamber, the at least one energy source being for contact with the battery or the body of battery material.
5. Drying apparatus according to any one of claims 1 to 3, wherein the at least one energy source is mounted on the same side of the chamber, and at least one resilient member is provided between the at least one energy source and the inner wall of the chamber, the at least one resilient member being adapted to urge the at least one energy source into contact with the battery or the body of battery material;
and/or the energy sources are arranged on two opposite sides of the accommodating cavity, at least one elastic piece is arranged between the energy sources and the inner wall of the accommodating cavity, and the at least one elastic piece is used for pushing the energy sources to be in contact with two surfaces of the battery or the battery material body from two directions.
6. Drying apparatus according to any one of claims 1 to 3, wherein the housing box further comprises a heat conducting portion, the at least one energy source is located outside the housing cavity, the inner wall of the housing cavity is used to carry the battery or the battery material body, and the at least one energy source is connected to the inner wall of the housing cavity through the heat conducting portion.
7. Drying apparatus according to claim 1, wherein the at least one energy source is a heating source or a cooling source.
8. Drying apparatus according to claim 1, wherein the first cassette part is rotatably or removably connected to the second cassette part.
9. The drying apparatus of claim 1, wherein said first carrier drive is a first conveyor belt, and said first array of cassette parts are distributed on and conveyed by said first conveyor belt; and/or the second bearing driving piece is a second conveyor belt, and the second box parts are distributed on the second conveyor belt in an array manner and are conveyed by the second conveyor belt; the second box part opposite to the first box part is opened or closed relative to the first box part.
10. The drying apparatus of claim 1, wherein said first carrier drive member is a drive disk, a plurality of said first cassette parts are spaced apart from said drive disk and are driven by said drive disk to rotate about a center of said drive disk, and said second carrier drive member includes a plurality of arms, one of said second cassette parts is connected to one of said arms, and said arms extend radially outward from said center such that one of said second cassette parts corresponds to one of said first cassette parts; the mechanical arm drives the second box part to open or close relative to the first box part.
11. The drying apparatus according to claim 1, wherein the first bearing driving member is a support, the support includes a plurality of support frames arranged in a stacked manner, each support frame includes a first inner wall and a second inner wall arranged oppositely, the first box portion is borne on the first inner wall, the second box portion is connected to the second inner wall through the second bearing driving member, and the second bearing driving member drives the second box portion to move relative to the second inner wall so as to be closed or opened relative to the first box portion.
12. Drying apparatus according to claim 1, further comprising a sealing ring disposed between the first box portion and the second box portion, the sealing ring surrounding the receiving cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811570047.6A CN109827410B (en) | 2018-12-21 | 2018-12-21 | Drying assembly and drying equipment for battery or battery material body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811570047.6A CN109827410B (en) | 2018-12-21 | 2018-12-21 | Drying assembly and drying equipment for battery or battery material body |
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| Publication Number | Publication Date |
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| CN109827410A CN109827410A (en) | 2019-05-31 |
| CN109827410B true CN109827410B (en) | 2020-09-25 |
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| CN201811570047.6A Active CN109827410B (en) | 2018-12-21 | 2018-12-21 | Drying assembly and drying equipment for battery or battery material body |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112197515A (en) * | 2020-09-30 | 2021-01-08 | 东莞汇洋动力科技有限公司 | Baking and cooling equipment and baking and cooling method for lithium ion battery cell |
| CN114184011A (en) * | 2021-12-20 | 2022-03-15 | 四川供源科技有限公司 | Efficient drying system is used in production of montmorillonite powder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB977671A (en) * | 1962-11-17 | 1964-12-09 | Freeman Taylor Machines Ltd | Apparatus for drying wet treated beams of fabric |
| CN203310206U (en) * | 2013-05-31 | 2013-11-27 | 浙江金乐太阳能科技有限公司 | Solar silicon wafer drying machine |
| CN206683318U (en) * | 2017-03-22 | 2017-11-28 | 四川省中安检测有限公司 | A kind of vacuum drying box |
| CN206847228U (en) * | 2017-05-11 | 2018-01-05 | 镇江欧缇迪机械技术有限公司 | Turnover box drier |
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