CN116493251A - Screening apparatus - Google Patents
Screening apparatus Download PDFInfo
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- CN116493251A CN116493251A CN202310780949.7A CN202310780949A CN116493251A CN 116493251 A CN116493251 A CN 116493251A CN 202310780949 A CN202310780949 A CN 202310780949A CN 116493251 A CN116493251 A CN 116493251A
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- screening
- stirring
- slurry
- container
- base frame
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- 238000003756 stirring Methods 0.000 claims abstract description 279
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/53—Mixing liquids with solids using driven stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/565—Mixing liquids with solids by introducing liquids in solid material, e.g. to obtain slurries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/80—After-treatment of the mixture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
Abstract
The application discloses screening equipment. The screening device comprises a base frame, a slurry mixing device and a screening device. The slurry mixing device is used for stirring and mixing water and powder into slurry. The screening device is connected with the slurry mixing device and is used for stirring the slurry again and screening out foreign particles in the slurry. The slurry mixing device and the screening device are respectively arranged on the base frame. The technical scheme that this application provided can screen out the metal particle in the battery powder effectively, improves the accuracy of metal particle ration testing result, and then improves the manufacturing efficiency of battery.
Description
Technical Field
The application relates to the technical field of battery manufacturing, in particular to screening equipment.
Background
Energy conservation and emission reduction are key to sustainable development of the automobile industry, and electric vehicles become an important component of sustainable development of the automobile industry due to the energy conservation and environmental protection advantages of the electric vehicles.
For electric vehicles, battery technology is an important factor related to development of the electric vehicles, and how to improve the manufacturing efficiency of the battery is a technical problem to be solved in the battery technology. In the manufacturing process of the battery, metal particles in battery powder (anode and cathode materials and other auxiliary materials) can influence the reliability of the battery, and therefore, quantitative detection needs to be carried out on the metal particles in the anode and cathode materials and the auxiliary materials. However, the screening efficiency of the current screening device is low, the quantitative detection is inaccurate, and the manufacturing efficiency of the battery is low.
Disclosure of Invention
The application provides a screening equipment, the metal particles in the battery powder can be screened out effectively to the technical scheme that this application provided, improves the accuracy of metal particle ration testing result, and then improves the manufacturing efficiency of battery.
The application is realized by the following technical scheme:
some embodiments of the present application provide a screening apparatus including a base frame, a slurry mixing device, and a screening device. The slurry mixing device is used for stirring and mixing water and powder into slurry. The screening device is connected with the slurry mixing device and is used for stirring the slurry again and screening out foreign particles in the slurry. The slurry mixing device and the screening device are respectively arranged on the base frame.
In the scheme, the slurry mixing device is used for stirring and mixing water and powder into slurry, foreign particles (namely metal particles) in the slurry can be effectively screened out through stirring of the screening device again due to high uniformity and light agglomeration degree of the slurry, the risk of inaccurate quantitative detection result caused by the fact that screened out metal particles are mixed with the powder due to the fact that the screening device is blocked by agglomerated powder is reduced, and then the manufacturing efficiency of the battery is effectively improved. That is, the slurry mixing process is added before the sieving process, and the sieving efficiency of the powder can be improved by stirring the water and the powder for a plurality of times, so that the accuracy of the quantitative detection result of the metal particles is improved, and the manufacturing efficiency of the battery is further effectively improved.
According to some embodiments of the present application, the discharge opening of the slurry mixing device is connected to the screening device by a pipe provided with a valve to intercept or communicate the slurry mixing device and the screening device.
In the above scheme, on one hand, the slurry can stably flow into the screening device from the slurry mixing device by arranging the pipeline; on the other hand, through setting up the valve on the pipeline, can control the volume of getting into screening plant's thick liquids in a flexible way, reduce because of thick liquids excessive and spill over in screening plant and cause the inaccurate risk of quantitative determination result.
According to some embodiments of the application, the conduit is a non-metallic hose and the valve is a non-contact valve. The valve comprises a first executing end and a second executing end, the first executing end and the second executing end are respectively positioned at two sides of the pipeline along the axial direction of the pipeline, and the valve is configured to clamp the pipeline by driving the first executing end and the second executing end to relatively move along the radial direction of the pipeline, so that the wall part of the pipeline is folded inwards to intercept the internal flow passage of the pipeline.
In the scheme, on one hand, compared with the pipeline which is a metal pipeline, the pipeline is arranged as a nonmetal hose, so that the influence of metal particles generated by impact of the pipeline on the metal particle quantitative detection result of battery powder during the working of the screening equipment can be effectively reduced; on the other hand, the nonmetal hose can be effectively acted by a noncontact valve to realize the cutting-off or conducting effect; on the other hand, compared with the scheme that the valve is arranged in the pipeline, the valve is arranged to be a non-contact valve, so that the influence of metal particles generated by impact on the metal particle quantitative detection result of battery powder during operation of the screening equipment can be effectively reduced, the accuracy of the metal particle quantitative detection result is effectively improved, and the manufacturing efficiency of the battery is further improved.
According to some embodiments of the present application, the screening device is arranged below the slurry mixing device in the direction of gravity, such that the slurry flows into the screening device under the influence of gravity.
In the scheme, the screening device is arranged below the slurry mixing device, so that the slurry can flow into the screening device under the action of self gravity without external force, thereby reasonably reducing the operation energy consumption of the equipment and reducing the operation cost.
According to some embodiments of the present application, the projection of the screening device does not overlap with the projection of the slurry mixing device in the direction of gravity.
In the scheme, the screening device and the slurry mixing device are arranged in a staggered mode, so that the flow path of slurry can be effectively improved, more uniform slurry enters the screening device to be screened, the accuracy of a metal particle quantitative detection result is effectively improved, and the manufacturing efficiency of a battery is further improved.
According to some embodiments of the present application, a slurry mixing device includes a stirring vessel and a first stirring mechanism, the stirring vessel being disposed on a pedestal. The stirring container is provided with a feed port, water and powder are fed into the stirring container through the feed port, and the first stirring mechanism is used for stirring and mixing the water and the powder in the stirring container into slurry.
In the above-mentioned scheme, thick liquids mixing arrangement includes agitator vessel and first rabbling mechanism, through the feed inlet of agitator vessel, can throw in water and powder to the agitator vessel fast in, can mix into even thick liquids under first rabbling mechanism's effect to in the follow-up screening process by screening plant screening effectively.
According to some embodiments of the present application, the feed port is disposed towards the first direction. The first stirring mechanism is arranged on the base frame in a position adjustable along the first direction so as to switch between a first position where the material inlet extends into the stirring container and a second position where the material inlet is separated from the stirring container.
In the above-mentioned scheme, through setting up first rabbling mechanism position adjustable in the bed frame along the direction (i.e. first direction) of the orientation of feed opening, can make first rabbling mechanism switch between first position and second position for first rabbling mechanism can stir water and powder in first position, perhaps make first rabbling mechanism in the second position, can throw water and powder into the stirred tank by the feed opening, reduce and interfere the unrestrained that leads to the powder with first rabbling mechanism when throwing the powder, cause the inaccurate risk of metal particle quantitative determination result.
According to some embodiments of the present application, the slurry mixing device further comprises a first lifting mechanism disposed on the base frame and connected to the first stirring mechanism for driving the first stirring mechanism to move along the first direction.
In the scheme, through setting up first elevating system, can make first rabbling mechanism automatic switch between first position and second position, improve switching efficiency, and then improve screening efficiency.
According to some embodiments of the present application, the first lifting mechanism includes a first lifting mounting portion and a first lifting drive, and the first stirring mechanism is disposed at the first lifting mounting portion. The first lifting installation part is slidably connected with the base frame along a first direction, and the first lifting driving piece is connected with the base frame and drives the first lifting installation part to move along the first direction.
In the scheme, the first lifting mechanism is simple in structure and convenient to manufacture. The first lifting installation part is arranged to be connected with the base frame in a sliding manner along the first direction, so that the first stirring mechanism can stably switch between the first position and the second position under the driving part of the first lifting driving part, and the operation efficiency of the screening equipment is improved.
According to some embodiments of the present application, the slurry mixing device further comprises a first liquid level sensor disposed in the first lifting mounting portion for detecting the liquid level of the slurry in the stirring vessel.
In the scheme, the liquid level of the slurry in the stirring container can be effectively detected by arranging the first liquid level sensor, so that the amount of powder or water put into the stirring container can be adaptively adjusted.
According to some embodiments of the present application, the base frame is formed with a first mounting groove having a first opening facing a second direction, the first opening for insertion of the stirring vessel, the first direction and the second direction intersecting.
In the above scheme, through setting up first mounting groove and first mounting groove is provided with the first opening towards the second direction, can make the stirring container insert in first mounting groove by first opening, realize the installation of stirring container. In some embodiments, the stirring vessel may be withdrawn when the stirring mechanism is in the second position to enable rapid powder delivery; when stirring and mixing are required, the stirring container can be quickly pushed into the first mounting groove through the first opening.
According to some embodiments of the present application, the base frame comprises a first stop for closing the first opening.
In the scheme, the first opening is closed through the first limiting piece, so that the stirring container is stably located in the first mounting groove, and water and powder are stably stirred and mixed by the first stirring mechanism.
According to some embodiments of the present application, the base frame includes a first support bar, a second support bar, and a third support bar. The first support rod and the second support rod are arranged at opposite intervals along the third direction, the two ends of the third support rod in the third direction are respectively connected with the first support rod and the second support rod to jointly enclose a first mounting groove, the third support rod is arranged opposite to the first opening along the second direction, and the first direction, the second direction and the third direction are mutually perpendicular. The stirring container is lapped on the first supporting rod, the second supporting rod and the third supporting rod.
In the above-mentioned scheme, form first mounting groove through first bracing piece, second bracing piece and third bracing piece, on the one hand can reduce the manufacturing cost of bed frame effectively, reduce the manufacturing degree of difficulty of bed frame, on the other hand can be convenient for stir the container overlap joint in the surface of shaft-like structure, improve the convenience that stir the container installed in the bed frame.
According to some embodiments of the present application, one end of the first limiting member is hinged to the second supporting rod, and the other end of the first limiting member is detachably connected to the first supporting rod.
In the scheme, one end of the first limiting piece is hinged with the second supporting rod, and the other end of the first limiting piece is detachably connected with the first supporting rod, so that on one hand, the first opening can be quickly closed or opened; on the other hand, compared with the scheme that the two ends of the first limiting piece are detachably connected with the base frame, the risk of losing the first limiting piece can be reduced.
According to some embodiments of the present application, the first stirring mechanism includes a first driving member and a first stirring member, the first driving member being configured to drive the first stirring member to rotate to stir the mixed water and powder.
In the scheme, the first stirring mechanism is simple in structure and convenient to manufacture. The first stirring piece can be made to stir through the drive of the first driving piece to mix water and powder stirring effectively and be the thick liquids that degree of aggregation is high, degree of aggregation is light, does benefit to the screening of follow-up screening process.
According to some embodiments of the present application, the first stirring element is made of a non-metallic material.
In the scheme, the first stirring piece used for being in contact with the slurry is made of the nonmetallic material, so that the influence of metal particles generated by impact of the first stirring piece on the quantitative detection result of the metal particles of the battery powder during operation of the screening equipment can be effectively reduced, the accuracy of the quantitative detection result of the metal particles is effectively improved, and the manufacturing efficiency of the battery is further improved.
According to some embodiments of the present application, a screening device includes a screening container, a screen and a second stirring mechanism, the screening container is disposed in a base frame, the screening container is connected with a slurry mixing device for receiving slurry discharged by the slurry mixing device, and the screen is disposed in the screening container. The second stirring mechanism is used for stirring the slurry in the sieving container so as to sieve foreign particles in the slurry on the sieve.
In the scheme, the screening device is simple in structure and convenient to manufacture. The slurry obtained by stirring and mixing of the slurry mixing device is received by the screening container, the second stirring mechanism acts on the screen, and the slurry is stirred in the screening container, so that powder in the slurry and water flow are screened out by the screening net, the risk that the screened-out metal particles are mixed with powder due to the blocking of the agglomerated powder by the screen, and the quantitative detection result is inaccurate is reduced, and the manufacturing efficiency of the battery is effectively improved.
According to some embodiments of the present application, the sieving vessel has a feed opening facing in a first direction; the second stirring mechanism is adjustably arranged on the base frame along the first direction, so as to switch between a third position where the feeding hole stretches into the screen mesh and a fourth position where the feeding hole is separated from the screening container.
In the above-mentioned scheme, through setting up second rabbling mechanism position adjustable in the bed frame along the direction (i.e. first direction) of feed inlet, can make second rabbling mechanism switch between third position and fourth position for second rabbling mechanism can act on the screen cloth in the third position, stirs the thick liquids, supplementary water and powder flow through the screen cloth, improves the efficiency that metal particles were sieved, perhaps makes second rabbling mechanism in the fourth position, can take out the metal particles in the screen cloth and collect.
According to some embodiments of the present application, the screening device further comprises a second lifting mechanism disposed on the base frame and connected to the second stirring mechanism for driving the second stirring mechanism to move in the first direction.
In the scheme, through setting up second elevating system, can make second rabbling mechanism automatic switch between third position and fourth position, improve switching efficiency, and then improve screening efficiency.
According to some embodiments of the present application, the second lifting mechanism includes a second lifting mounting portion and a second lifting drive, and the second stirring mechanism is disposed at the second lifting mounting portion. The second lifting installation part is slidably connected with the base frame along the first direction, and the second lifting driving piece is connected with the base frame and drives the second lifting installation part to move along the first direction.
In the scheme, the second lifting mechanism is simple in structure and convenient to manufacture. The second lifting installation part is arranged to be connected with the base frame in a sliding manner along the first direction, so that the second lifting installation part can stably move along the first direction under the driving part of the second lifting driving part, the second stirring mechanism can be stably switched between the third position and the fourth position, and the operation efficiency of the screening equipment is improved.
According to some embodiments of the present application, the screening device further comprises a second liquid level sensor disposed in the second lifting mounting portion for detecting the liquid level of the slurry in the screening container.
In the scheme, through setting up second level sensor, can effectually detect the liquid level of the thick liquids in the screening container to adjust the volume of the thick liquids of throwing into the screening container adaptively, reduce the risk that the thick liquids overflowed.
According to some embodiments of the present application, the base frame is formed with a second mounting groove in which the screening container is disposed.
In the scheme, the screening container is arranged in the second mounting groove, so that the screening container can be conveniently taken out, metal particles on the screen in the screening container can be conveniently collected, and the quantitative detection efficiency of the metal particles is improved.
According to some embodiments of the present application, the base frame includes a mounting portion, and the second mounting groove is formed in the mounting portion. The installation department is provided with second locating part and third locating part, along the second direction, and the second mounting groove is located between second locating part and the third locating part for the screening container of restriction breaks away from in the second mounting groove, and first direction and second direction are crossing.
In the above-mentioned scheme, through setting up second locating part and third locating part in the both sides of second mounting groove, can make screening container be in the second mounting groove steadily to make second rabbling mechanism stir mixed slurry in the screening container steadily, improve screening efficiency, thereby improve the accuracy of metal particle ration testing result.
According to some embodiments of the application, the mounting portion is provided with a first mounting piece and a second mounting piece, the first mounting piece and the second mounting piece are arranged at intervals in a third direction, one end of the second limiting piece is hinged to the first mounting piece, the other end of the second limiting piece is detachably connected with the second mounting piece, and the first direction, the second direction and the third direction are mutually perpendicular.
In the scheme, one end of the second limiting piece is hinged to the first mounting piece, and the other end of the second limiting piece is detachably connected with the second mounting piece, so that on one hand, the second limiting piece can be rapidly mounted, and limiting of the screening container is achieved; on the other hand, compared with the scheme that two ends of the second limiting piece are detachably connected with the base frame, the risk of losing the second mounting piece can be reduced.
According to some embodiments of the present application, the screening apparatus further comprises a vibration driving member provided to the mounting portion for vibrating the screening container.
In the scheme, the vibration driving piece is arranged to provide vibration impact for slurry on the screen, so that powder deposited on the surface of the screen is damaged, and the screening efficiency of the slurry is improved.
According to some embodiments of the present application, the second stirring mechanism includes a second driving member and a second stirring member, the second driving member being configured to drive the second stirring member to rotate to stir the slurry.
In the scheme, the second stirring mechanism is simple in structure and convenient to manufacture. The second stirring piece can be made to stir through the drive of second driving piece to destroy the powder of deposit on the screen cloth surface effectively, improve the efficiency that the powder passes through the screen cloth, thereby improve screening efficiency.
According to some embodiments of the application, the second stirring element is made of a non-metallic material.
In the scheme, the second stirring piece used for being in contact with the slurry and the screen mesh is made of the nonmetallic material, so that the influence of metal particles generated by impact of the second stirring piece on the quantitative detection result of the metal particles of the battery powder during operation of the screening equipment can be effectively reduced, the accuracy of the quantitative detection result of the metal particles is effectively improved, and the manufacturing efficiency of the battery is further improved.
According to some embodiments of the present application, the material strength of the second stirring member is less than the material strength of the screen.
In the above-mentioned scheme, set up the material strength of second stirring spare to be less than the material strength of screen cloth, on the one hand can effectually reduce the risk that the screen cloth was destroyed, on the other hand, when the screen cloth was made for metal material, can reduce the screen cloth and receive the risk that the impact produced metal particle to the accuracy of metal particle ration testing result has been improved effectively, and then the manufacturing efficiency of battery has been improved.
According to some embodiments of the present application, the screening arrangement further comprises water supply means for supplying water to the slurry mixing means. The water supply device is provided with a liquid flow meter for controlling the flow rate of water.
In the above-mentioned scheme, through setting up water supply device and liquid flowmeter, can provide appropriate amount of water to slurry mixing device effectively.
According to some embodiments of the present application, the screening device further comprises a solvent delivery device arranged between the water supply device and the slurry mixing device for delivering the medicament to the slurry mixing device.
In the above-mentioned scheme, the dispersing agent has been placed to solvent throwing device, sets up solvent throwing device between water supply installation and thick liquids mixing arrangement, can make water and dispersing agent get into thick liquids mixing arrangement jointly and mix with the powder, improves the degree of consistency of thick liquids to improve the efficiency of screening.
According to some embodiments of the present application, the screening apparatus further comprises a waste liquid discharge device connected to the screening device for collecting the liquid screened by the screening device.
In the scheme, the waste liquid discharge device is arranged, so that the liquid screened by the screening device can be effectively collected.
According to some embodiments of the present application, the waste drain includes a waste collection container and a third agitation mechanism. The waste liquid collecting container is provided with a waste liquid inlet and a waste liquid outlet, the waste liquid inlet is connected with the screening device, the third stirring mechanism is used for stirring liquid in the waste liquid collecting container, and the waste liquid outlet is used for discharging the stirred liquid.
In some embodiments, the waste liquid can be discharged into a sewer line of a factory building or a laboratory, at present, the screening device is separated from the sewer line by a distance, a pipeline is often used for communicating the sewer line, the pipeline can be bent, and in order to reduce the risk of blocking the pipeline by deposited powder, in the scheme, the risk of blocking the subsequent pipeline is reduced by arranging a third stirring mechanism to stir the liquid in a waste liquid collecting container so as to destroy agglomerated powder.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of a screening apparatus in some embodiments of the present application;
FIG. 2 is a perspective view of a portion of the construction of a slurry mixing device in some embodiments of the present application;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a perspective view of a portion of the structure of a base frame and slurry mixing device in some embodiments of the present application;
FIG. 5 is a perspective view of a stirred vessel in some embodiments of the present application;
FIG. 6 is a perspective view of a screening apparatus in some embodiments of the present application;
FIG. 7 is a perspective view of a portion of the structure of a screening apparatus in accordance with some embodiments of the present application;
fig. 8 is a perspective view of a waste drain device in some embodiments of the present application.
Icon: 100-sieving equipment; 10-a slurry mixing device; 11-a stirring vessel; 110-a feed inlet; 12-a first stirring mechanism; 120-a first driver; 121-a first stirring member; 13-a first lifting mechanism; 130-a first lifting mounting portion; 1300-a first lifting mounting plate; 1301-a first slide bar; 1302-a first lifting connection; 131-a first lifting drive; 14-a first level sensor; 20-screening device; 21-a sieving vessel; 210-a feed inlet; 22-screen; 23-a second stirring mechanism; 230-a second driver; 231-a second stirring member; 24-a second lifting mechanism; 240-a second lifting mounting portion; 2400-second lifting mounting plate; 2401-a second slide bar; 241-a second lift drive; 25-a second level sensor; 26-a vibration drive; 30-piping; 31-valve; 310-a first execution end; 311-a second execution end; 40-base frames; 41-a first mounting groove; 42-a first limiting piece; 43-a first support bar; 430-a first resilient catch; 44-a second support bar; 45-a third support bar; 46-a second mounting groove; 47-mounting part; 470-second stop; 471-third limiting component; 472-first mount; 473-a second mount; 4730-a second elastic catch; 48-fixing plates; 50-a water supply device; 51-a water pipe; 52-a liquid flow meter; 60-solvent feeding device; 70-a waste liquid discharge device; 71-a waste liquid collection container; 72-a third stirring mechanism; z-a first direction; x-a second direction; y-third direction.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly understand that the embodiments described herein may be combined with other embodiments.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "attached" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
The term "and/or" in this application is merely an association relation describing an associated object, and indicates that three relations may exist, for example, a and/or B may indicate: there are three cases, a, B, a and B simultaneously. In this application, the character "/" generally indicates that the associated object is an or relationship.
In the present application, the battery may include a lithium ion battery, a lithium sulfur battery, a sodium lithium ion battery, a sodium ion battery, a magnesium ion battery, or the like, which is not limited in the embodiment of the present application. The battery may be in the shape of a cylinder, a flat body, a rectangular parallelepiped, or other shapes, etc., nor is the embodiment of the present application limited thereto.
The battery includes an electrode assembly and an electrolyte. The electrode assembly consists of a positive electrode plate, a negative electrode plate and a diaphragm. The battery cell mainly relies on metal ions to move between the positive pole piece and the negative pole piece to work. The positive electrode plate comprises a positive electrode current collector and a positive electrode active material layer, wherein the positive electrode active material layer is coated on the surface of the positive electrode current collector, the positive electrode current collector without the positive electrode active material layer protrudes out of the positive electrode current collector coated with the positive electrode active material layer, and the positive electrode current collector without the positive electrode active material layer is used as a positive electrode lug. Taking a lithium ion battery as an example, the material of the positive electrode current collector may be aluminum, and the positive electrode active material may be lithium cobaltate, lithium iron phosphate, ternary lithium, lithium manganate or the like. The negative electrode plate comprises a negative electrode current collector and a negative electrode active material layer, wherein the negative electrode active material layer is coated on the surface of the negative electrode current collector, the negative electrode current collector without the negative electrode active material layer protrudes out of the negative electrode current collector coated with the negative electrode active material layer, and the negative electrode current collector without the negative electrode active material layer is used as a negative electrode lug. The material of the negative electrode current collector may be copper, and the negative electrode active material may be carbon, silicon, or the like. The separator may be made of PP (polypropylene) or PE (polyethylene). The diaphragm has electronic insulation and is used for isolating adjacent positive pole pieces and negative pole pieces and preventing the adjacent positive pole pieces and negative pole pieces from being short-circuited. The diaphragm has a large number of through micropores, can ensure free passage of electrolyte ions, and has good permeability to lithium ions.
In the process of manufacturing a battery, the material of the active material layer, the material of the binder, or the material of other auxiliary materials in the battery is generally in the form of powder, which is called battery powder. The battery powder is contacted with copper, iron, zinc, stainless steel and other parts in the process production process, and foreign particles (i.e., metal particles) exist in the anode and cathode materials of the lithium battery and other auxiliary materials due to metal part abrasion and other process influence factors, for example, the foreign particles such as elemental copper, elemental iron, elemental zinc, stainless steel, metal oxides and the like. The metal particles may pierce the separator to cause thermal runaway, resulting in low reliability of the battery, so that, in order to improve the reliability of the battery, the battery powder is screened by a screening device to quantitatively detect the metal particles in the battery powder before the manufacturing process of the battery.
At present, when screening is performed by screening equipment, water and powder are directly thrown to a screen of the screening equipment. However, because the powder is easy to agglomerate, the agglomerated powder blocks the screen, so that the screening equipment cannot accurately screen the metal particles, and the situation that the screened metal particles remain with the powder often exists, so that the quantitative detection result of the metal particles is inaccurate, the fluctuation of the detection result is large, and the quantitative detection result is detected for multiple times to verify the accuracy of the quantitative detection result, thereby influencing the manufacturing efficiency of the battery.
In view of this, in order to solve the circumstances that leads to the powder to block up the screen cloth because of the powder is easy to agglomerate, lead to metal particle quantitative determination result inaccurate, influence the manufacturing efficiency's of battery problem, this application some embodiments provide a screening equipment, screening equipment include thick liquids mixing arrangement and screening plant. The slurry mixing device is used for stirring and mixing water and powder into slurry. The screening device is connected with the slurry mixing device and is used for stirring the slurry again and screening out metal particles in the slurry.
Through setting up thick liquids mixing arrangement and screening plant, stir many times water and powder to break up the powder of reunion, can screen out the metal particle in the thick liquids effectively, reduce and lead to the inaccurate risk of quantitative detection result because of screening plant is blocked by the powder of reunion and lead to the metal particle mix that screens out to have the powder, and then improved the manufacturing efficiency of battery effectively.
The screening device disclosed in the embodiment of the application includes, but is not limited to, screening battery powder to perform metal particle quantitative detection, and may also screen powder of other materials to perform metal particle or other foreign particle quantitative detection.
In some embodiments of the present application, the screening apparatus is described using metal particles as foreign particles.
Some embodiments of the present application provide a screening apparatus, please refer to fig. 1, and fig. 1 is a perspective view of the screening apparatus according to some embodiments of the present application.
The screening apparatus 100 comprises a slurry mixing device 10, a screening device 20 and a base frame 40. The slurry mixing device 10 is used for stirring and mixing water and powder into slurry. The sieving device 20 is connected to the slurry mixing device 10 and serves to agitate the slurry again and to sieve out foreign particles in the slurry. The slurry mixing device 10 and the screening device 20 are respectively provided to the base frame 40.
The slurry mixing device 10 is a device capable of mixing and stirring water and powder into slurry. In some embodiments, water and powder may be fed into the slurry mixing device 10, and the water and powder may be agitated by the slurry mixing device 10 to mix the water and powder into a uniform slurry. In some embodiments, "water" may refer to deionized or distilled water. In some embodiments, the powder is dosed, i.e. a defined mass of the slurry mixing device 10 is dosed into the slurry mixing device 10 before being dosed into the slurry mixing device 10.
The screening device 20 is a device for screening out metal particles in a slurry. In some embodiments, the screening device 20 receives slurry resulting from mixing and agitation by the slurry mixing device 10 by agitating the slurry, for example, on a screen 22 on the screening device 20, such that the slurry flows through the screen 22 and metal particles in the slurry remain on the screen 22.
The base frame 40 is the component carrying the slurry mixing device 10 and the screening device 20. The base frame 40 may also be a frame. In some embodiments, the base frame 40 may be formed by welding, bonding, or threaded connection of several steel structures (e.g., square steel, steel pipe, etc.). The slurry mixing device 10 and the screening device 20 are integrated into a whole through the base frame 40, so that the occupied area of the screening device 20 can be effectively reduced, and the space utilization rate of a factory building or a laboratory can be improved.
In the above scheme, the powder is mixed with water in the slurry mixing device 10 to form slurry with high uniformity and low agglomeration degree, and then enters the sieving device 20 to be mixed. Because the slurry uniformity is high, the agglomeration degree is lighter, through the stirring again of screening plant 20, can screen out the metal particle in the slurry effectively, reduce the risk that lead to the inaccurate quantitative detection result because screening plant 20 is blocked by agglomerated powder and the metal particle that leads to the screening mixes with the powder, and then improved the manufacturing efficiency of battery effectively. That is, the slurry mixing process is added before the sieving process, and the sieving efficiency of the powder can be improved by stirring the water and the powder for a plurality of times, so that the accuracy of the quantitative detection result of the metal particles is improved, and the manufacturing efficiency of the battery is further effectively improved.
Referring to fig. 2, fig. 2 is a perspective view of a portion of the structure of the slurry mixing device 10 according to some embodiments of the present application.
The discharge opening of the slurry mixing device 10 is connected to the screening device 20 by a pipe 30, the pipe 30 being provided with a valve 31 to intercept or communicate the slurry mixing device 10 and the screening device 20.
The discharge outlet of the slurry mixing device 10 is used for discharging the slurry which is uniformly mixed by the slurry mixing device 10 to the sieving device 20. Conduit 30 is the component connecting the discharge port of slurry mixing apparatus 10 and screening apparatus 20. In some embodiments, after the slurry is formed in the slurry mixing device 10, it enters the conduit 30 through the discharge port and then enters the screening device 20 through the conduit 30.
The valve 31 is provided in the pipe 30, and the pipe 30 can be cut off by controlling the valve 31 so that the slurry mixing device 10 and the sieving device 20 are not communicated with each other to restrict the slurry from entering the sieving device 20 from the slurry mixing device 10, or the pipe 30 can be conducted so that the slurry mixing device 10 and the sieving device 20 are communicated with each other by controlling the valve 31 so that the slurry enters the sieving device 20 from the slurry mixing device 10.
In the above-described aspects, on the one hand, the provision of the pipe 30 enables the slurry to flow stably from the slurry mixing apparatus 10 into the sieving apparatus 20; on the other hand, by providing the valve 31 in the pipe 30, the amount of the slurry entering the screening device 20 can be flexibly controlled, and the risk of inaccurate quantitative detection results due to excessive slurry overflowing the screening device 20 can be reduced.
Referring to fig. 3, fig. 3 is an enlarged view of fig. 2 at a, according to some embodiments of the present application.
The pipe 30 is a non-metal hose and the valve 31 is a non-contact valve. The valve 31 includes a first actuating end 310 and a second actuating end 311, the first actuating end 310 and the second actuating end 311 being located at both sides of the pipe 30, respectively, in an axial direction of the pipe 30, and the valve 31 is configured to clamp the pipe 30 by driving the first actuating end 310 and the second actuating end 311 to move relatively in a radial direction of the pipe 30 such that a wall portion of the pipe 30 is drawn inward to intercept an inner flow passage of the pipe 30.
The conduit 30 is a non-metallic hose, it being understood that the conduit 30 is made of a relatively soft non-metallic material, such as a rubber material. The pipe 30 is a nonmetallic hose, which is understood to be that the pipe 30 can be deformed under the action of external force to achieve a corresponding effect, for example, a clamping force is applied to the pipe 30, so that the parts of the pipe 30 to which the clamping force is applied are mutually closed to intercept a flow channel in the pipe 30, and slurry in the pipe 30 is limited to flow; for another example, the conduit 30 can be correspondingly displaced without damage when the slurry mixing device 10 is handled.
The valve 31 is a non-contact valve, which is understood to be a valve that can cut off or conduct the flow passage inside the pipe 30 without contacting the slurry in the pipe 30.
Referring to fig. 3, the first actuating end 310 is one actuating component of the valve 31, the second actuating end 311 is another actuating component of the valve 31, and the first actuating end 310 and the second actuating end 311 may be disposed opposite to each other along the radial direction of the pipe 30. The valve 31 drives the first executing end 310 and the second executing end 311 to relatively move through the driving mechanism, and can apply clamping force to the pipeline 30 to clamp the pipeline 30, so that the wall part of the pipeline 30 is folded inwards to intercept the internal flow passage of the pipeline 30, and the flow of slurry is limited; or the clamping force to the pipeline 30 can be canceled, so that the pipeline 30 is reset under the action of the self elastic force to conduct the internal flow passage of the pipeline 30 to realize the flow of the slurry. In some embodiments, the driving mechanism of the valve 31 may be a clamping cylinder or the like.
In the above scheme, on one hand, compared with the pipeline 30 which is a metal pipeline, the influence of metal particles generated by impact on the pipeline 30 on the metal particle quantitative detection result of battery powder during the working of the screening device 100 can be effectively reduced by arranging the pipeline 30 as a nonmetal hose; on the other hand, the nonmetal hose can be effectively acted by a noncontact valve to realize the cutting-off or conducting effect; on the other hand, compared with the scheme that the valve 31 is arranged in the pipeline 30, the valve 31 is arranged to be a non-contact valve, so that the influence of metal particles generated by impact on the metal particle quantitative detection result of battery powder during operation of the screening device 100 can be effectively reduced, the accuracy of the metal particle quantitative detection result is effectively improved, and the manufacturing efficiency of the battery is further improved.
According to some embodiments of the present application, the screening device 20 is arranged below the slurry mixing device 10 in the direction of gravity, such that the slurry flows into the screening device 20 under the force of gravity.
The direction of gravity is understood to be a vertically downward direction. The placement of the screening device 20 below the slurry mixing device 10 enables the slurry to flow into the screening device 20 under the force of gravity.
In the above scheme, the screening device 20 is arranged below the slurry mixing device 10, so that the slurry can flow into the screening device 20 under the action of self gravity without external force, thereby reasonably reducing the operation energy consumption of the equipment and reducing the operation cost.
In other embodiments, if the screening device 20 is not positioned below the slurry mixing device 10, the slurry may be pumped from the slurry mixing device 10 to the screening device 20 by way of a pump.
According to some embodiments of the present application, the projection of the screening device 20 does not overlap with the projection of the slurry mixing device 10 in the direction of gravity.
"the projection of the screening device 20 does not overlap with the projection of the slurry mixing device 10 in the direction of gravity" is understood to mean that the screening device 20 and the slurry mixing device 10 do not overlap with each other in the direction of gravity, or that the screening device 20 and the slurry mixing device 10 are arranged offset in the horizontal direction (i.e. the direction perpendicular to the direction of gravity).
In the above scheme, the screening device 20 and the slurry mixing device 10 are arranged in a staggered manner, so that the flow path of slurry can be effectively improved, and more uniform slurry enters the screening device 20 to be screened, thereby effectively improving the accuracy of the quantitative detection result of metal particles and further improving the manufacturing efficiency of the battery.
According to some embodiments of the present application, referring to fig. 2, the slurry mixing device 10 includes a stirring vessel 11 and a first stirring mechanism 12, where the stirring vessel 11 is disposed on a base frame 40. The stirring vessel 11 has a feed port 110, the feed port 110 supplies water and powder is fed into the inside of the stirring vessel 11, and the first stirring mechanism 12 is used for stirring and mixing the water and the powder in the stirring vessel 11 into slurry.
The agitation vessel 11 is a vessel for containing water and powder. In the agitation vessel 11, water and powder can be agitated by the first agitation mechanism 12. The mixing vessel 11 is mounted to the pedestal 40, and in some embodiments, the mixing vessel 11 may be welded, glued, or threaded to the pedestal 40, or the mixing vessel 11 may be removably mounted to the pedestal 40, such as by overlapping, plugging, or directly onto the pedestal 40.
The feed port 110 is a member communicating with the inside of the stirring vessel 11, and water and powder can be fed into the inside of the stirring vessel 11 through the feed port 110.
In some embodiments, the first agitation mechanism 12 may be provided to the base frame 40. The first stirring mechanism 12 may extend into the interior of the stirring vessel 11 to stir the water and powder within the stirring vessel 11.
In the above-mentioned scheme, slurry mixing device 10 includes agitator 11 and first rabbling mechanism 12, through agitator 11's material inlet 110, can throw in water and powder into agitator 11 fast, can mix into even thick liquids under first rabbling mechanism 12's effect to in the screening device 20 effectively screening in the subsequent screening process.
According to some embodiments of the present application, please refer to fig. 2. The feed opening 110 is arranged towards the first direction z. The first stirring mechanism 12 is adjustably positioned on the base frame 40 in a first direction z to switch between a first position extending from the feed port 110 into the stirring vessel 11 and a second position separated from the stirring vessel 11.
In some embodiments, the first direction z may be a direction that is mutually to the direction of gravity, e.g., in fig. 2, the direction of gravity may be a downward direction and the first direction z may be an upward direction.
By "the first stirring mechanism 12 is adjustably positionally arranged on the base frame 40" it is understood that the first stirring mechanism 12 is capable of being moved in the first direction z under control to make a positional change with respect to the stirring vessel 11.
The first position is a position where the first stirring mechanism 12 is located inside the stirring vessel 11. The second position is a position where the first stirring mechanism 12 is separated from the stirring vessel 11, for example, in the first direction z, and the first stirring mechanism 12 is disposed at a distance from the plane in which the charging port 110 is located.
In the above-mentioned scheme, along the direction (i.e., the first direction z) of the orientation of the feed port 110, through setting up first rabbling mechanism 12 position-adjustable in bed frame 40, can make first rabbling mechanism 12 switch between first position and second position, make first rabbling mechanism 12 can stir water and powder in first position, or make first rabbling mechanism 12 in the second position, can throw water and powder in to stirring container 11 by feed port 110, reduce and interfere the unrestrained that leads to the powder with first rabbling mechanism 12 when throwing the powder, cause the inaccurate risk of metal particle ration testing result.
Referring to fig. 2 and 4, fig. 4 is a perspective view of a portion of the structure of the base frame 40 and the slurry mixing device 10 according to some embodiments of the present application.
The slurry mixing apparatus 10 further includes a first lifting mechanism 13, where the first lifting mechanism 13 is disposed on the base frame 40 and connected to the first stirring mechanism 12, for driving the first stirring mechanism 12 to move along the first direction z.
The first lifting mechanism 13 is mounted on the base frame 40, and an execution end of the first lifting mechanism 13 may be connected to the first stirring mechanism 12. The first elevating mechanism 13 is a mechanism for driving the first stirring mechanism 12 to move in the first direction z. In some embodiments, the first elevating mechanism 13 may include a mechanism capable of outputting a linear motion, for example, the first elevating mechanism 13 may include a cylinder, a hydraulic cylinder, or a linear motor.
In the above scheme, through setting up first elevating system 13, can make first rabbling mechanism 12 automatic switch between first position and second position, improve switching efficiency, and then improve screening efficiency.
According to some embodiments of the present application, please refer to fig. 4. The first lifting mechanism 13 includes a first lifting mounting portion 130 and a first lifting drive member 131, and the first stirring mechanism 12 is provided to the first lifting mounting portion 130. The first lift mounting portion 130 is slidably coupled to the base frame 40 in a first direction z, and the first lift driving member 131 is coupled to the base frame 40 and drives the first lift mounting portion 130 to move in the first direction z.
In some embodiments, the first lift mount 130 is a component for mounting the first stirring mechanism 12. The first lift mounting portion 130 is slidable relative to the base frame 40 along a first direction z. Referring to fig. 4, the first lifting mounting portion 130 may include two first lifting mounting plates 1300 disposed opposite to each other in the first direction z, and the two first lifting mounting plates 1300 support the first stirring mechanism 12 together. The first lifting installation part 130 may further include a plurality of first sliding bars 1301, an end portion of the first sliding bar 1301 is connected to one of the first lifting installation plates 1300, the base frame 40 is provided with a sliding hole corresponding to the first sliding bar 1301, and the first sliding bar 1301 can pass through the sliding hole to enable the first lifting installation part 130 to slide relative to the base frame 40 along the first direction z. Two first sliding bars 1301 of the plurality of first sliding bars 1301 may be connected by a first lifting connection 1302.
The first lifting driving member 131 is a member for driving the first lifting mounting portion 130 to move along the first direction z so as to drive the first stirring mechanism 12 to move. In some embodiments, the first lifting driving member 131 includes a linear motor, the linear motor is disposed on the base frame 40, and an execution end of the linear motor may be connected to the first lifting connecting member 1302, so as to implement position adjustment of the first stirring mechanism 12.
In the above scheme, the first lifting mechanism 13 is simple in structure and convenient to manufacture. By arranging the first lifting mounting 130 to be slidably connected with the base frame 40 in the first direction z, it is possible to stably move in the first direction z under the drive of the first lifting drive 131, so that the first stirring mechanism 12 is stably switched between the first position and the second position, improving the operational efficiency of the screening device 100.
According to some embodiments of the present application, the slurry mixing device 10 further comprises a first liquid level sensor 14, the first liquid level sensor 14 being arranged at the first lifting mounting portion 130 for detecting the liquid level of the slurry in the stirring vessel 11.
The first level sensor 14 is a sensor for detecting the level of the slurry inside the agitation vessel 11. The first liquid level sensor 14 is disposed on the first lifting mounting portion 130, and a sensor head of the first liquid level sensor 14 is disposed toward the feed port 110 along the first direction z.
In some embodiments, the first level sensor 14 may be a non-contact level sensor, for example, the first level sensor 14 may be an ultrasonic level sensor or a radar level sensor, or the like.
In the above-described aspect, by providing the first liquid level sensor 14, the liquid level of the slurry in the stirring vessel 11 can be effectively detected, and the amount of the powder or water charged into the stirring vessel 11 can be adaptively adjusted.
According to some embodiments of the present application, please refer to fig. 4. The base frame 40 is formed with a first mounting groove 41, and the first mounting groove 41 has a first opening facing the second direction x, into which the stirring vessel 11 is inserted, the first direction z intersecting the second direction x.
The first mounting groove 41 may be a portion for accommodating a portion of the agitation vessel 11. In some embodiments, referring to fig. 5, fig. 5 is a perspective view of a stirring vessel 11 according to some embodiments of the present application. The stirring vessel 11 may be funnel-shaped, and the stirring vessel 11 may have a certain size in the first direction z, and the stirring vessel 11 may be stably placed by providing the first installation groove 41.
The second direction x may be a direction intersecting the first direction z, and in some embodiments, the second direction x may be a direction perpendicular to the first direction z, e.g., the second direction x may be a horizontal direction. The first opening is a portion communicating with the inside of the first mounting groove 41, and the first opening is capable of allowing the stirring vessel 11 to be inserted therein, that is, in the second direction x, the stirring vessel 11 can be inserted into the first opening to be accommodated in the inside of the first mounting groove 41.
In the above-described aspect, by providing the first mounting groove 41 and providing the first mounting groove 41 with the first opening facing the second direction x, the stirring vessel 11 can be inserted into the first mounting groove 41 through the first opening, and the stirring vessel 11 can be mounted. In some embodiments, when the stirring mechanism is in the second position, the stirring vessel 11 may be withdrawn to enable rapid powder delivery; when stirring and mixing are required, the stirring vessel 11 can be quickly pushed into the first mounting groove 41 through the first opening.
According to some embodiments of the present application, the base frame 40 includes a first limiting member 42, and the first limiting member 42 is configured to close the first opening.
The first stopper 42 is a member for closing the first opening. In some embodiments, by controlling the first stopper 42, the first stopper 42 is enabled to close the first opening such that the stirring vessel 11 is within the first mounting groove 41; or by controlling the first stopper 42 such that the first stopper 42 opens the first opening to facilitate the placement of the stirring vessel 11 in the first mounting groove 41.
In the above-described aspect, by closing the first opening with the first stopper 42, the agitation vessel 11 can be made to be stably located in the first mounting groove 41, so that the water and the powder can be stably agitated and mixed by the first agitation mechanism 12.
According to some embodiments of the present application, please refer to fig. 4. The base frame 40 includes a first support bar 43, a second support bar 44, and a third support bar 45. The first support rods 43 and the second support rods 44 are oppositely arranged at intervals along the third direction y, two ends of the third support rods 45 in the third direction y are respectively connected with the first support rods 43 and the second support rods 44 to jointly enclose a first mounting groove 41, the third support rods 45 are oppositely arranged with the first opening along the second direction x, and the first direction z, the second direction x and the third direction y are mutually perpendicular. The stirring vessel 11 is overlapped with the first support bar 43, the second support bar 44 and the third support bar 45.
The third direction y, the second direction x and the first direction z are perpendicular to each other. The first support bar 43 is a rod-like structure that is capable of extending in the second direction x. The second support bar 44 is a rod-like structure that is capable of extending in the second direction x. The third support bar 45 is a rod-like structure that is capable of extending in the third direction y.
The first support bar 43, the third support bar 45, and the second support bar 44 may be connected to each other to enclose the first mounting groove 41. The first support rod 43, the third support rod 45 and the second support rod 44 may overlap other portions of the base frame 40, so that a certain space is provided below the first support rod 43, the third support rod 45 and the second support rod 44 to accommodate a portion of the stirring container 11, and a certain space is provided above the first support rod 43, the third support rod 45 and the second support rod 44 to accommodate a portion of the stirring container 11 and other structures such as the first stirring mechanism 12.
Referring to fig. 5, a flange is provided on the peripheral surface of the stirring vessel 11, and the flange is disposed around the stirring vessel 11 and is close to the feed inlet 110 of the stirring vessel 11. The stirring vessel 11 may overlap the first support bar 43, the second support bar 44, and the third support bar 45 with a cylinder flange.
In the above-mentioned scheme, the first mounting groove 41 is formed through the first support bar 43, the second support bar 44 and the third support bar 45, so that on one hand, the manufacturing cost of the base frame 40 can be effectively reduced, the manufacturing difficulty of the base frame 40 is reduced, and on the other hand, the stirring container 11 can be conveniently lapped on the surface of the rod-shaped structure, and the convenience of mounting the stirring container 11 on the base frame 40 is improved.
According to some embodiments of the present application, please refer to fig. 4. One end of the first limiting member 42 is hinged to the second supporting rod 44, and the other end of the first limiting member 42 is detachably connected to the first supporting rod 43.
The first stopper 42 may have a rod-like structure. In some embodiments, one end of the first stopper 42 is hinged with the second support rod 44 such that the first stopper 42 can rotate about the second support rod 44 to be close to or far from the first support rod 43. The other end of the first stopper 42 is detachably connected to the first support rod 43 to close or open the first opening.
In some embodiments, the first limiting member 42 may be connected to the first supporting rod 43 by a clamping, magnetic connection, or a screw connection. In other embodiments, a first elastic lock 430 and a first lock rod may be disposed between the first limiting member 42 and the first supporting rod 43, where the first lock rod is disposed at an end of the first limiting member 42, and the first elastic lock 430 is disposed on the first supporting rod 43, and the first lock 430 can lock the first lock rod to connect the first supporting rod 43 and the first limiting member 42.
In the above-mentioned scheme, by arranging one end of the first limiting member 42 to be hinged with the second supporting rod 44 and the other end to be detachably connected with the first supporting rod 43, on one hand, the first opening can be quickly closed or opened; on the other hand, compared with the scheme that both ends of the first limiting member 42 are detachably connected with the base frame 40, the risk of losing the first limiting member 42 can be reduced.
According to some embodiments of the present application, the first stirring mechanism 12 includes a first driving member 120 and a first stirring member 121, and the first driving member 120 is configured to drive the first stirring member 121 to rotate so as to stir the mixed water and powder.
Referring to fig. 2, the first driving member 120 may be disposed on the first lifting mounting portion 130, and the first stirring member 121 is connected to an execution end of the first driving member 120 to rotate under the driving of the first driving member 120. In some embodiments, the first driver 120 may be a motor.
In some embodiments, the first stirring member 121 may be provided to a plurality of stirring blades on the actuating end of the first driving member 120.
In some embodiments, the rotation rate of the first stirring member 121 driven by the first driving member 120 can be controlled, that is, the stirring rate of the water and the powder in the stirring vessel 11 by the first stirring mechanism 12 can be controlled and adjusted.
In the above scheme, the first stirring mechanism 12 is simple in structure and convenient to manufacture. The first stirring member 121 can be stirred by the driving of the first driving member 120, so that water and powder are effectively mixed and stirred into slurry with high uniformity and light agglomeration degree, and the screening of the subsequent screening process is facilitated.
According to some embodiments of the present application, the first stirring member 121 is made of a non-metallic material.
In some embodiments, the first stirring member 121 can be made of a non-metallic material, such as a silicone, ceramic, or the like.
In some embodiments, the first stirring member 121 may be made of an elastic material, such as silica gel, which is non-metal and soft.
In some embodiments, the stirring vessel 11 may be made of a non-metallic material, such as reinforced plastic. In other embodiments, the stirring vessel 11 may be made of a metallic material, such as an aluminum alloy, steel, or the like.
In the above-mentioned scheme, through setting the first stirring piece 121 for contacting with slurry to be made of non-metal material, the influence of the metal particles generated by the impact of the first stirring piece 121 on the metal particle quantitative detection result of the battery powder during the operation of the screening device 100 can be effectively reduced, thereby effectively improving the accuracy of the metal particle quantitative detection result and further improving the manufacturing efficiency of the battery.
Referring to fig. 6, fig. 6 is a perspective view of a screening apparatus 20 according to some embodiments of the present application.
The screening device 20 comprises a screening container 21, a screen 22 and a second stirring mechanism 23, wherein the screening container 21 is arranged on the base frame 40, the screening container 21 is connected with the slurry mixing device 10 and is used for receiving the slurry discharged by the slurry mixing device 10, and the screen 22 is arranged in the screening container 21. The second stirring mechanism 23 is used to stir the slurry in the sieving vessel 21 to sieve foreign particles in the slurry on the sieve 22.
The screening container 21 is a container for holding slurry, and the screen 22 is a mesh structure provided in the screening container 21. The screen 22 is used to screen out metal particles in the slurry. In some embodiments, the diameter of the screen 22 may be 20cm, and the mesh size of the screen 22 may be any number between 200 mesh and 2000 mesh, for example, 200 mesh, 201 mesh, 202 mesh … 1999 mesh or 2000 mesh.
In some embodiments, second agitation mechanism 23 is a mechanism capable of contacting screen 22, and second agitation mechanism 23 may agitate the slurry within screening container 21 when contacting screen 22.
In the above-described aspects, the screening device 20 is simple in construction and easy to manufacture. The slurry obtained by stirring and mixing the slurry mixing device 10 is received by the sieving container 21, the second stirring mechanism 23 acts on the sieve 22, and the slurry is stirred in the sieving container 21, so that powder in the slurry and water flow through the sieving net 22, metal particles in the slurry are sieved out, the risk of inaccurate quantitative detection results caused by the fact that the sieved metal particles are mixed with the powder due to the blocking of the agglomerated powder of the sieve 22 is reduced, and the manufacturing efficiency of the battery is further effectively improved.
According to some embodiments of the present application, screening container 21 has a feed opening 210 facing in a first direction z; the second stirring mechanism 23 is adjustably positioned on the base frame 40 in the first direction z for switching between a third position extending from the feed opening 210 into the screen 22 and a fourth position out of the screening container 21.
In some embodiments, the first direction z may be a direction that is mutually to the direction of gravity. For example, in fig. 4, the gravity direction may be a downward direction and the first direction z may be an upward direction.
The feed inlet 210 may refer to a location where the screening container 21 receives slurry discharged by the slurry mixing apparatus 10. In some embodiments, the slurry mixing device 10 and the sieving device 20 are connected by a pipe 30, one end of the pipe 30 is connected to the slurry mixing device 10, the other end of the pipe 30 is located above the feed inlet 210, and the slurry is discharged from the other end of the pipe 30 into the feed inlet 210 and enters the inside of the sieving container 21.
By "the second stirring mechanism 23 is adjustably positioned on the base frame 40" it is understood that the second stirring mechanism 23 is capable of being moved in the first direction z under control to make a change of position with respect to the sieving receptacle 21.
The third position is where the second stirring mechanism 23 is inside the sieving vessel 21 and is in contact with the sieve 22. The fourth position is a position where the second stirring mechanism 23 is separated from the stirring vessel 11, for example, in the first direction z, and the second stirring mechanism 23 is disposed at a distance from the plane in which the inlet 210 is located.
In the above-mentioned scheme, along the direction of orientation of the feed inlet 210 (i.e., the first direction z), through setting up second rabbling mechanism 23 position-adjustable in bed frame 40, can make second rabbling mechanism 23 switch between the third position and fourth position, make second rabbling mechanism 23 can act on screen cloth 22 in the third position, stir the thick liquids, assist water and powder flow through screen cloth 22, improve the efficiency that metal particles were sieved, perhaps make second rabbling mechanism 23 in the fourth position, can take out the metal particles in the screen cloth 22 and collect.
According to some embodiments of the present application, referring to fig. 6, the screening device 20 further includes a second lifting mechanism 24, where the second lifting mechanism 24 is disposed on the base frame 40 and connected to the second stirring mechanism 23, for driving the second stirring mechanism 23 to move along the first direction z.
The second lifting mechanism 24 is mounted on the base frame 40, and an execution end of the second lifting mechanism 24 may be connected to the second stirring mechanism 23. The second elevating mechanism 24 is a mechanism for driving the second stirring mechanism 23 to move in the first direction z. In some embodiments, the second lift mechanism 24 may include a mechanism capable of outputting linear motion, for example, the second lift mechanism 24 may include a cylinder, a hydraulic cylinder, or a linear motor.
In the above scheme, through setting up second elevating system 24, can make second rabbling mechanism 23 automatic switch between third position and fourth position, improve switching efficiency, and then improve screening efficiency.
Referring to fig. 6 and 7, fig. 7 is a perspective view of a portion of the structure of the screening device 20 according to some embodiments of the present application.
The second elevating mechanism 24 includes a second elevating mounting part 240 and a second elevating driving member 241, and the second stirring mechanism 23 is provided at the second elevating mounting part 240. The second lift mounting portion 240 is slidably coupled to the base frame 40 along the first direction z, and the second lift driving member 241 is coupled to the base frame 40 and drives the second lift mounting portion 240 to move along the first direction z.
In some embodiments, the second lifting mounting portion 240 is a component for mounting the second stirring mechanism 23. The second elevation mounting part 240 is slidable with respect to the base frame 40 in the first direction z. Referring to fig. 6 and 7, the second elevation mounting portion 240 may include a plurality of second elevation mounting plates 2400 disposed opposite to each other in the first direction z, and the plurality of second elevation mounting plates 2400 collectively support the second stirring mechanism 23. The second lifting mounting portion 240 may further include a plurality of second sliding bars 2401, an end portion of the second sliding bar 2401 is connected to one of the second lifting mounting plates 2400, the base frame 40 has a fixing plate 48, a sliding hole corresponding to the second sliding bar 2401 is provided on the fixing plate 48, and the second sliding bar 2401 can pass through the sliding hole to enable the second lifting mounting portion 240 to slide relative to the base frame 40 along the first direction z.
The second lifting driving member 241 is a member for driving the second lifting mounting portion 240 to move along the first direction z so as to drive the second stirring mechanism 23 to move. In some embodiments, the second lifting driving member 241 includes a linear motor disposed on the fixing plate 48, and an execution end of the linear motor may be connected to the second lifting mounting plate 2400 to implement position adjustment of the second stirring mechanism 23.
In the above scheme, the second lifting mechanism 24 is simple in structure and convenient to manufacture. By arranging the second lifting mounting part 240 to be slidably connected with the base frame 40 in the first direction z so as to be able to be stably moved in the first direction z under the drive of the second lifting drive 241, the second stirring mechanism 23 is stably switched between the third position and the fourth position, improving the operational efficiency of the screening device 100.
According to some embodiments of the present application, referring to fig. 6, the screening device 20 further comprises a second level sensor 25, the second level sensor 25 being arranged at the second lifting mounting portion 240 for detecting the level of the slurry in the screening container 21.
The second level sensor 25 is a sensor for detecting the level of the slurry inside the screening container 21. The second liquid level sensor 25 is arranged on the second lifting mounting part 240, and the sensor head of the second liquid level sensor 25 is arranged towards the feed inlet 210 of the sieving vessel 21 along the first direction z.
In some embodiments, the second liquid level sensor 25 may be a non-contact liquid level sensor, for example, the second liquid level sensor 25 may be an ultrasonic liquid level sensor or a radar liquid level sensor, or the like.
In the above-mentioned scheme, through setting up second level sensor 25, can effectually detect the liquid level of thick liquids in the screening container 21 to the quantity of thick liquids that drops into screening container 21 is adjusted to the adaptation, reduces the risk that thick liquids overflowed.
According to some embodiments of the present application, referring to fig. 7, the base frame 40 is formed with a second mounting slot 46, and the screening container 21 is disposed in the second mounting slot 46.
The second mounting groove 46 may be a location for receiving a portion of the screening container 21. In some embodiments, the screening container 21 may be placed directly in the second mounting groove 46.
In the above scheme, by arranging the screening container 21 in the second installation groove 46, the screening container 21 can be conveniently taken out, so that the metal particles on the screen 22 in the screening container 21 can be conveniently collected, and the efficiency of quantitative detection of the metal particles is improved.
According to some embodiments of the present application, please refer to fig. 7. The base frame 40 includes a mounting portion 47, and the second mounting groove 46 is formed in the mounting portion 47. The mounting portion 47 is provided with a second stop 470 and a third stop 471, and along a second direction x, the second mounting groove 46 is located between the second stop 470 and the third stop 471 for limiting the separation of the screening container 21 from the second mounting groove 46, the first direction z intersecting the second direction x.
In some embodiments, the mounting portion 47 may be plate-shaped, and the mounting portion 47 may be provided on other components of the base frame 40 by welding, bonding, or threading. In the first direction z, a space may be provided above the mounting portion 47 to facilitate receiving a portion of the screening container 21 and also to facilitate taking and placing of the screening container 21; a space may be provided below the mounting portion 47 to accommodate both portions of the screening container 21 and also to facilitate the discharge of the filtered slurry from the screening container 21.
The second mounting groove 46 may have a groove-like structure formed on the surface of the mounting portion 47. In some embodiments, the second mounting groove 46 may have a groove bottom, with the screen 22 dividing the screening container 21 into an upper and a lower space, the space below being capable of storing filtered slurry. In some embodiments, the second mounting groove 46 may not have a groove bottom, and the slurry filtered by the screen in the screening container 21 is discharged from the bottom of the second mounting groove 46.
The second direction x intersects the first direction z. In some embodiments, the second direction x may be perpendicular to the first direction z. The second limiting members 470 and the third limiting members 471 are arranged at intervals along the second direction x, so that the screening container 21 can be limited in the second direction x, and the risk that the screening container 21 is separated from the second mounting groove 46 is reduced.
In the above-mentioned scheme, through setting up second locating part 470 and third locating part 471 in the both sides of second mounting groove 46, can make screening container 21 be in second mounting groove 46 steadily to make second rabbling mechanism 23 stir mixed slurry in screening container 21 steadily, improve screening efficiency, thereby improve the accuracy of metal particle quantitative determination result.
According to some embodiments of the present application, referring to fig. 7, the mounting portion 47 is provided with a first mounting member 472 and a second mounting member 473, the first mounting member 472 and the second mounting member 473 are disposed at opposite intervals in the third direction y, one end of the second limiting member 470 is hinged to the first mounting member 472, and the other end of the second limiting member 470 is detachably connected to the second mounting member 473. The first direction z, the second direction x and the third direction y are perpendicular to each other.
In some embodiments, the second stop 470 may be rod-shaped and extend in the third direction y. The first and second mounting pieces 472 and 473 protrude from the surface of the mounting portion 47 and are disposed at intervals in the third direction y. The second mounting groove 46 is located between the first mount 472 and the second mount 473.
One end of the second stopper 470 is hinged with the first mounting member 472 such that the second stopper 470 can rotate around the first mounting member 472 to approach or be away from the second mounting member 473. The other end of the second limiting member 470 is detachably connected to the second mounting member 473 to be able to limit the movement of the screening container 21 in the second direction x to be disengaged from the second mounting groove 46.
In some embodiments, the second stop 470 may be coupled to the second mount 473 by a snap-fit, magnetic connection, or threaded connection. In other embodiments, a second elastic locking buckle 4730 and a second locking rod may be disposed between the second limiting member 470 and the second mounting member 473, where the second locking rod is disposed at an end of the second limiting member 470, and the second mounting member 473 is provided with a second elastic locking buckle 4730, where the second elastic locking buckle 4730 can lock the second locking rod to connect the second limiting member 470 and the second mounting member 473.
In some embodiments, third stop 471 may be in the form of a block, third stop 471 having a projection projecting in second direction x for contacting a wall of screening container 21 to limit movement of screening container 21 in second direction x.
In the above-mentioned scheme, by arranging one end of the second limiting member 470 to be hinged to the first mounting member 472 and the other end to be detachably connected to the second mounting member 473, on one hand, the second limiting member 470 can be quickly mounted, so as to realize the limitation of the screening container 21; on the other hand, the risk of losing the second mounting member 473 can be reduced compared to the case where both ends of the second limiting member 470 are detachably connected to the base frame 40.
According to some embodiments of the present application, screening device 20 further comprises a vibration drive 26 arranged at mounting portion 47 for vibrating screening container 21.
In some embodiments the vibration driver 26 may be a vibration motor. In other embodiments, the vibration driver 26 may be an ultrasonic vibration generation mechanism, and the ultrasonic vibration frequency of the ultrasonic vibration generation mechanism may be selectively controlled by adjustment.
In some embodiments, the vibration drive 26 and the second agitation mechanism 23 may be controlled separately.
In the above scheme, the vibration driving member 26 is arranged to provide vibration impact to the slurry on the screen 22, so as to break up the powder deposited on the surface of the screen 22, and improve the screening efficiency of the slurry.
According to some embodiments of the present application, the second stirring mechanism 23 includes a second driving member 230 and a second stirring member 231, and the second driving member 230 is configured to drive the second stirring member 231 to rotate so as to stir the slurry.
In some embodiments, the second driving member 230 may be disposed on the second lifting mounting portion 240, and the second stirring member 231 is connected to the actuating end of the second driving member 230 to rotate under the driving of the second driving member 230. In some embodiments, the second driver 230 may be a motor.
In some embodiments, the size of the second agitating member 231 may correspond to the inner diameter size of the sieving vessel 21 in the radial direction of the sieving vessel 21. The second stirring member 231 has a first face facing the screen 22, and the first face may be a flat face so as to be able to be fitted to the surface of the screen 22.
In some embodiments, the rate at which the second drive member 230 drives the second agitator 231 may be controlled, i.e., the rate at which the second agitation mechanism 23 agitates the water and powder located in the agitation vessel 11 may be controlled.
In the above scheme, the second stirring mechanism 23 is simple in structure and convenient to manufacture. The second stirring member 231 is stirred by the driving of the second driving member 230, so that the powder deposited on the surface of the screen 22 is effectively scattered, the efficiency of the powder passing through the screen 22 is improved, and the screening efficiency is improved.
According to some embodiments of the present application, the second stirring member 231 is made of a non-metallic material.
In some embodiments, the second stirring member 231 may be made of a non-metallic material, such as a silica gel, a ceramic, or the like.
In some embodiments, the second stirring member 231 may be made of an elastic material, such as silica gel, which is non-metallic and soft.
In some embodiments, screening container 21 may be made of a non-metallic material, such as reinforced plastic. In other embodiments, screening container 21 may be made of a metallic material, such as an aluminum alloy, steel, or the like.
In some embodiments, the screen 22 may be made of a non-metallic material, such as reinforced plastic. In other embodiments, the screen 22 may be made of a metallic material, such as an aluminum alloy, steel, or the like.
In the above scheme, the second stirring member 231 for contacting the slurry and the screen 22 is made of a non-metal material, so that the influence of metal particles generated by the impact of the second stirring member 231 on the metal particle quantitative detection result of the battery powder during the operation of the screening device 100 can be effectively reduced, the accuracy of the metal particle quantitative detection result is effectively improved, and the manufacturing efficiency of the battery is further improved.
According to some embodiments of the present application, the material strength of the second agitating member 231 is less than the material strength of the screen 22.
The term "the material strength of the second stirring member 231 is smaller than the material strength of the screen 22" may mean that the influence on the screen 22 can be reduced because the material strength of the second stirring member 231 is smaller when the second stirring member 231 is stirred.
In some embodiments, the screen 22 may be selected from stainless steel mesh or aluminum alloy mesh in order to provide the screen 22 with a longer useful life.
In the above-mentioned scheme, set the material intensity of second stirring piece 231 to be less than the material intensity of screen cloth 22, on the one hand can effectually reduce the risk that screen cloth 22 was destroyed, on the other hand, when screen cloth 22 was made for the metal material, can reduce the risk that screen cloth 22 receives the impact to produce the metal particle to effectively improved the accuracy of metal particle quantitative determination result, and then improved the manufacturing efficiency of battery.
According to some embodiments of the present application, referring to fig. 2, the screening arrangement 100 further comprises a water supply means 50 for providing water to the slurry mixing device 10. The water supply device 50 is provided with a liquid flow meter 52 for controlling the flow rate of water.
The water supply device 50 is a device for supplying water to the slurry mixing device 10. In some embodiments, the water supply device 50 includes a water pipe 51, and the water pipe 51 may be disposed at one side of the slurry mixing device 10, one pipe orifice of the water pipe 51 may be abutted against a water storage tank or other device capable of storing or supplying water, and the other pipe orifice of the water pipe 51 may be disposed toward the feed inlet 110 of the agitation vessel 11 so that the water is directly discharged into the agitation vessel 11.
In some embodiments, the water pipe 51 of the water supply device 50 may be a non-metallic pipe, for example, the material of which the water pipe 51 is made may be reinforced plastic. In other embodiments, the water pipe 51 of the water supply device 50 may be a metal pipe, for example, the water pipe 51 may be made of aluminum alloy or stainless steel.
The liquid flow meter 52 can measure the flow rate of water in the water pipe 51. In some embodiments, the water pipe 51 may be provided with a regulating valve, which may be coupled to the liquid flow meter 52, and the control module (e.g., an editable logic controller) of the sieving apparatus 100 may be capable of controlling the opening of the regulating valve to control the flow rate of water based on the flow rate value measured by the liquid flow meter 52.
In the above-described embodiment, by providing the water supply device 50 and the liquid flowmeter 52, an appropriate amount of water can be efficiently supplied to the slurry mixing device 10.
According to some embodiments of the present application, referring to fig. 2, the screening apparatus 100 further comprises a solvent delivery device 60, the solvent delivery device 60 being arranged between the water supply device 50 and the slurry mixing device 10 for delivering the medicament to the slurry mixing device 10.
The "solvent feeding device 60 is disposed between the water supply device 50 and the slurry mixing device 10" may mean that the solvent feeding device 60 is disposed between the water supply device 50 and the slurry mixing device 10 in a positional relationship, or that water is supplied through the water supply device 50, passes through the volume feeding device, and then flows into the slurry mixing device 10.
The solvent delivery device 60 may be a device for storing or delivering a medicament. Referring to fig. 4, the body of the solvent dispensing device 60 may be a box body, the box body has an opening facing the first direction z, a pipe is disposed on one side of the box body, and a pipe orifice of the pipe is directly disposed toward the feeding port 110 of the stirring container 11.
The nozzle of the water pipe 51 of the water supply device 50 is disposed directly toward the opening of the cartridge so that the water flow directly flows into the cartridge. The medicine can be directly introduced into the cartridge through the opening and carried into the inlet 110 of the stirring vessel 11 together with the water flow.
The agent may be a dispersant, and the dispersant may be an aqueous surfactant such as X-3204 (JEFFFSPERSE X-3204 dispersant), PVP (polyvinylpyrrolidone dispersant), TMN-6 (branched secondary alcohol polyoxyethylene ether dispersant), or the like.
In the above scheme, the dispersing agent can be placed in the solvent throwing device 60, the solvent throwing device 60 is arranged between the water supply device 50 and the slurry mixing device 10, so that water and the dispersing agent jointly enter the slurry mixing device 10 to be mixed with powder, the uniformity of slurry is improved, and the screening efficiency is improved.
Please refer to fig. 1 and 8, according to some embodiments of the present application. Fig. 8 is a perspective view of a waste drain 70 in some embodiments of the present application. The screening arrangement 100 further comprises a waste liquid discharge means 70, which waste liquid discharge means 70 is connected to the screening means 20 for collecting the liquid screened by the screening means 20.
The waste liquid discharge device 70 is a device disposed downstream of the sieving device 20, and it is understood that the slurry is discharged into the waste liquid discharge device 70 after being sieved by the sieving device 20. Referring to fig. 1, the waste liquid discharge device 70 is located below the sieving device 20 in the gravity direction, that is, the slurry may be discharged into the waste liquid discharge device 70 under the gravity force after passing through the sieving device 20.
The waste liquid discharging device 70 may collect the liquid screened by the screening device 20, that is, the liquid screened by the screening device 20 may be timely discharged into the waste liquid discharging device 70, so that the screening device 20 may timely screen the slurry discharged from the slurry mixing device 10.
In the above-described aspect, by providing the waste liquid discharge device 70, the liquid screened by the screening device 20 can be effectively collected.
According to some embodiments of the present application, please refer to fig. 8. The waste liquid discharge device 70 includes a waste liquid collection container 71 and a third stirring mechanism 72. The waste liquid collecting container 71 has a waste liquid inlet connected to the sieving apparatus 20, and a third stirring mechanism 72 for stirring the liquid in the waste liquid collecting container 71, and a waste liquid outlet for discharging the stirred liquid.
In some embodiments, waste collection container 71 may be funnel-shaped with a waste inlet directed in first direction z, directly below screening container 21. The waste liquid outlet can be connected with a sewer pipeline of a factory building or a laboratory through a pipeline.
The third stirring mechanism 72 may be a mechanism partially located within the waste collection container 71, for example, a third stirring member of the third stirring mechanism 72 can be located within the waste collection container 71 and contact an inner wall of the waste collection container 71 and approach the waste outlet. The third agitation driving member of the third agitation mechanism 72 may be fixedly mounted on the base frame 40, and the third agitation driving member is connected to the third agitation member to drive the third agitation member to rotate, thereby agitating the liquid in the waste liquid collecting container 71. In some embodiments, to reduce interference with the liquid falling from screening container 21 into waste collection container 71, the third stirring member may be inclined relative to the direction of gravity.
In some embodiments, the waste liquid may drain into a sewer line of a factory building or laboratory. Currently, the screening device 20 is located at a distance from the sewer line, often with pipes to communicate with the sewer line. In order to reduce the risk of the deposited powder blocking the pipe, in the above-mentioned scheme, the third stirring mechanism 72 is provided to stir the liquid in the waste liquid collecting container 71 to break up the agglomerated powder, so as to reduce the risk of blocking the subsequent pipe.
According to some embodiments of the present application, please refer to fig. 1-8. The screening apparatus 100 includes a base frame 40, a slurry mixing device 10, a screening device 20, a water supply device 50, a solvent feeding device 60, and a waste liquid discharging device 70. The slurry mixing device 10, the sieving device 20, the water supply device 50, the solvent delivery device 60, and the waste liquid discharge device 70 are provided on the base frame 40, respectively. Referring to fig. 1, a water supply device 50 and a solvent delivery device 60 are positioned at one side of the slurry mixing device 10, the water supply device 50 includes a water pipe 51, and the nozzle of the water pipe 51 is disposed toward the container delivery device to supply water, which may be deionized water or distilled water, to the container delivery device. The container delivery device is connected with the slurry mixing device 10, and water can enter the slurry mixing device 10 with the dispersing agent in the container delivery device after passing through the container delivery device. The first stirring mechanism 12 of the slurry mixing device 10 can stir and mix water, powder, and a dispersant into a slurry.
In the direction of gravity, the screening device 20 is arranged below the slurry mixing device 10. The slurry mixing device 10 is connected to the screening device 20 by means of a non-metallic hose, i.e. the slurry is fed into the screening device 20 by means of a non-metallic hose. A non-contact valve is provided on the non-metal hose for controlling whether the slurry is discharged into the screening device 20. Screening device 20 comprises a screening container 21, a screen 22, a second stirring mechanism 23 and a vibratory drive 26. The slurry enters the screening vessel 21 from a non-metal hose and then acts on the screen 22. The second stirring member 231 of the second stirring mechanism 23 can contact the screen 22 and stir the slurry on the screen 22 to effectively screen the metal particles in the slurry on the screen 22. In some embodiments, the vibratory drive 26 is operated while the second agitation mechanism 23 is operated, vibrating the screen 22 to increase screening efficiency. The waste liquid discharge device 70 is provided below the sieving device 20 in the gravitational direction, and the waste liquid discharge device 70 receives the liquid discharged by the sieving device 20. The waste liquid discharging apparatus 70 includes a waste liquid collecting container 71 and a third stirring mechanism 72, and after the liquid is discharged from the sieving apparatus 20 into the waste liquid collecting container 71, the liquid is discharged into a sewer line of a factory building or a laboratory by stirring by the third stirring mechanism 72.
The screening apparatus 100 provided above may be operated in the following procedure to weigh the powder (i.e., to quantify the powder); setting the addition amount of water and a dispersing agent; setting a stirring rate and a stirring time of the slurry mixing device 10; water, dispersant and powder are thrown into the slurry mixing device 10 and stirred and mixed into slurry; setting the agitation rate and vibration frequency of the screening device 20; the slurry is discharged into a screening device 20 for screening; collecting the metal particles on the screen 22; and (5) quantitatively detecting.
According to the screening equipment 100 provided by some embodiments of the application, through setting up the slurry mixing device 10 and the screening device 20, water and powder are stirred for many times to break up agglomerated powder, metal particles in slurry can be effectively screened out, the risk that the screened-out metal particles are mixed with powder and the quantitative detection result is inaccurate due to the fact that the screening device 20 is blocked by agglomerated powder is reduced, and then the manufacturing efficiency of a battery is effectively improved.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (32)
1. A screening apparatus, comprising:
the slurry mixing device is used for stirring and mixing water and powder into slurry;
the screening device is connected with the slurry mixing device and is used for stirring the slurry again and screening out foreign particles in the slurry;
the slurry mixing device and the screening device are respectively arranged on the base frame.
2. The screening apparatus of claim 1, wherein,
the discharge port of the slurry mixing device is connected with the screening device through a pipeline, and the pipeline is provided with a valve to cut off or communicate the slurry mixing device and the screening device.
3. The screening apparatus of claim 2, wherein,
the pipeline is a non-metal hose, and the valve is a non-contact valve;
the valve comprises a first executing end and a second executing end, the first executing end and the second executing end are respectively positioned at two sides of the pipeline along the axial direction of the pipeline, and the valve is configured to clamp the pipeline by driving the first executing end and the second executing end to move relatively along the radial direction of the pipeline, so that the wall part of the pipeline is folded inwards to intercept the internal flow passage of the pipeline.
4. The screening apparatus of claim 1, wherein,
along the gravity direction, the screening device is arranged below the slurry mixing device, so that the slurry flows into the screening device under the action of gravity.
5. The screening apparatus of claim 4, wherein,
along the gravity direction, the projection of the screening device does not overlap with the projection of the slurry mixing device.
6. The screening apparatus of claim 1, wherein,
the slurry mixing device comprises a stirring container and a first stirring mechanism, and the stirring container is arranged on the base frame;
the stirring container is provided with a feeding port, the feeding port is used for feeding the water and the powder into the stirring container, and the first stirring mechanism is used for stirring and mixing the water and the powder in the stirring container into the slurry.
7. The screening apparatus of claim 6, wherein,
the feeding port is arranged towards the first direction; the first stirring mechanism is adjustably arranged on the base frame along the first direction, so that the position of the first stirring mechanism is switched between a first position where the material inlet extends into the stirring container and a second position where the material inlet is separated from the stirring container.
8. The screening apparatus of claim 7, wherein,
the slurry mixing device further comprises a first lifting mechanism, wherein the first lifting mechanism is arranged on the base frame and connected with the first stirring mechanism and used for driving the first stirring mechanism to move along the first direction.
9. The screening apparatus of claim 8, wherein,
the first lifting mechanism comprises a first lifting installation part and a first lifting driving piece, and the first stirring mechanism is arranged on the first lifting installation part;
the first lifting installation part is slidably connected with the base frame along the first direction, and the first lifting driving piece is connected with the base frame and drives the first lifting installation part to move along the first direction.
10. The screening apparatus of claim 9, wherein,
the slurry mixing device further comprises a first liquid level sensor, wherein the first liquid level sensor is arranged on the first lifting installation part and is used for detecting the liquid level of the slurry in the stirring container.
11. The screening apparatus of claim 7, wherein,
the base frame is formed with a first mounting groove having a first opening facing a second direction, the first opening being for insertion of the stirring container, the first direction intersecting the second direction.
12. The screening apparatus of claim 11 wherein,
the base frame comprises a first limiting piece, and the first limiting piece is used for closing the first opening.
13. The screening apparatus of claim 12, wherein,
the base frame comprises a first supporting rod, a second supporting rod and a third supporting rod, wherein the first supporting rod and the second supporting rod are oppositely arranged at intervals along a third direction, two ends of the third supporting rod in the third direction are respectively connected with the first supporting rod and the second supporting rod so as to jointly enclose a first mounting groove, the third supporting rod and the first opening are oppositely arranged along a second direction, and the first direction, the second direction and the third direction are mutually perpendicular;
the stirring container is lapped on the first supporting rod, the second supporting rod and the third supporting rod.
14. The screening apparatus of claim 13 wherein,
one end of the first limiting piece is hinged with the second supporting rod, and the other end of the first limiting piece is detachably connected with the first supporting rod.
15. The screening apparatus of claim 6, wherein,
The first stirring mechanism comprises a first driving piece and a first stirring piece, and the first driving piece is used for driving the first stirring piece to rotate so as to stir and mix the water and the powder.
16. The screening apparatus of claim 15 wherein,
the first stirring member is made of a nonmetallic material.
17. The screening apparatus of claim 1, wherein,
the screening device comprises a screening container, a screen and a second stirring mechanism, wherein the screening container is arranged in the base frame, the screening container is connected with the slurry mixing device and is used for receiving the slurry discharged by the slurry mixing device, and the screen is arranged in the screening container;
the second stirring mechanism is used for stirring the slurry in the screening container so as to screen out foreign particles in the slurry on the screen.
18. The screening apparatus of claim 17 wherein,
the screening container has a feed inlet facing in a first direction; the second stirring mechanism is adjustably arranged on the base frame along the first direction in position so as to switch between a third position where the feeding hole stretches into the screen mesh and a fourth position where the feeding hole is separated from the screening container.
19. The screening apparatus of claim 18 wherein,
the screening device further comprises a second lifting mechanism which is arranged on the base frame and connected with the second stirring mechanism and used for driving the second stirring mechanism to move along the first direction.
20. The screening apparatus of claim 19 wherein,
the second lifting mechanism comprises a second lifting installation part and a second lifting driving piece, and the second stirring mechanism is arranged on the second lifting installation part;
the second lifting installation part is slidably connected with the base frame along the first direction, and the second lifting driving piece is connected with the base frame and drives the second lifting installation part to move along the first direction.
21. The screening apparatus of claim 20 wherein,
the screening device further comprises a second liquid level sensor, wherein the second liquid level sensor is arranged on the second lifting installation part and used for detecting the liquid level of the slurry in the screening container.
22. The screening apparatus of claim 18 wherein,
the base frame is formed with a second mounting groove, and the screening container is arranged in the second mounting groove.
23. The screening apparatus of claim 22 wherein,
the base frame comprises a mounting part, and the second mounting groove is formed in the mounting part;
the installation department is provided with second locating part and third locating part, along the second direction, the second mounting groove is located the second locating part with between the third locating part, be used for restricting screening container break away from in the second mounting groove, first direction with the second direction is crossing.
24. The screening apparatus of claim 23 wherein,
the installation department is provided with first installed part and second installed part, first installed part with the second installed part sets up at relative interval in the third direction, the one end of second locating part articulate in first installed part, the other end detachably of second locating part with the second installed part is connected, first direction the second direction and third direction mutually perpendicular.
25. The screening apparatus of claim 23 wherein,
the screening device further comprises a vibration driving piece arranged on the mounting portion and used for vibrating the screening container.
26. The screening apparatus of claim 17 wherein,
The second stirring mechanism comprises a second driving piece and a second stirring piece, and the second driving piece is used for driving the second stirring piece to rotate so as to stir the slurry.
27. The screening apparatus of claim 26, wherein,
the second stirring member is made of a nonmetallic material.
28. The screening apparatus of claim 26, wherein,
the material strength of the second stirring piece is smaller than that of the screen.
29. A screening apparatus according to any one of claims 1-28, wherein,
the screening apparatus further comprises water supply means for supplying the water to the slurry mixing means;
the water supply device is provided with a liquid flow meter for controlling the flow rate of the water.
30. The screening apparatus of claim 29 wherein,
the screening device further comprises a solvent delivery device, wherein the solvent delivery device is arranged between the water supply device and the slurry mixing device and is used for delivering the medicament to the slurry mixing device.
31. A screening apparatus according to any one of claims 1-28, wherein,
the screening device further comprises a waste liquid discharge device which is connected with the screening device and used for collecting the liquid screened by the screening device.
32. The screening apparatus of claim 31 wherein,
the waste liquid discharging device comprises a waste liquid collecting container and a third stirring mechanism;
the waste liquid collecting container is provided with a waste liquid inlet and a waste liquid outlet, the waste liquid inlet is connected with the screening device, the third stirring mechanism is used for stirring the liquid in the waste liquid collecting container, and the waste liquid outlet is used for discharging the stirred liquid.
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| CN202310780949.7A CN116493251A (en) | 2023-06-29 | 2023-06-29 | Screening apparatus |
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