CN114597583A - Preparation system and preparation method of aqueous emulsion for ceramic diaphragm coating of lithium ion battery - Google Patents
Preparation system and preparation method of aqueous emulsion for ceramic diaphragm coating of lithium ion battery Download PDFInfo
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- CN114597583A CN114597583A CN202210286704.4A CN202210286704A CN114597583A CN 114597583 A CN114597583 A CN 114597583A CN 202210286704 A CN202210286704 A CN 202210286704A CN 114597583 A CN114597583 A CN 114597583A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 89
- 239000000839 emulsion Substances 0.000 title claims abstract description 48
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000000919 ceramic Substances 0.000 title claims abstract description 25
- 239000011248 coating agent Substances 0.000 title claims abstract description 25
- 238000000576 coating method Methods 0.000 title claims abstract description 25
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 25
- 238000003756 stirring Methods 0.000 claims abstract description 86
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims description 87
- 230000005540 biological transmission Effects 0.000 claims description 43
- 238000007790 scraping Methods 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 11
- 238000003860 storage Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/431—Inorganic material
- H01M50/434—Ceramics
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a preparation system and a preparation method of an aqueous emulsion for a ceramic diaphragm coating of a lithium ion battery. This aqueous emulsion preparation system and preparation method for lithium ion battery ceramic diaphragm coating, through being provided with mixed preparation mechanism, utilize driving motor to drive the rotation of drive pivot, the drive pivot drives the puddler through slip subassembly and rotates, thereby the rotation of bracing piece and stirring board has been driven, then the actuating cylinder, utilize the synchronous motion of cylinder drive piston rod and puddler, upwards turn the emulsion of bottom when having realized stirring board pivoted, upwards turn the emulsion of bottom with this having realized, the reciprocating rotation stirring to the emulsion has been realized in step, thereby the mixing efficiency of emulsion preparation has been improved.
Description
Technical Field
The invention relates to the technical field of battery preparation, in particular to a preparation system and a preparation method of an aqueous emulsion for a ceramic diaphragm coating of a lithium ion battery.
Background
With the rapid development of electric vehicles and automobiles, power sources on the electric vehicles and the automobiles are also rapidly developed, but batteries have a plurality of problems in production, so that the quality of battery products in the market is very uneven, the later cycle life of the capacity of the batteries cannot reach the designed service life, and the unique production process of the batteries in production has a great relationship. The battery is constructed by a shell, an upper cover, a polar plate, a separator, a bus bar, a polar column, a bridge protection plate, a terminal and the like.
The existing emulsion has the following problems in the preparation process:
1. the existing emulsion can only be mixed at the bottom in the preparation operation, so that the problem of uneven mixing of preparation raw materials is easily caused;
2. in the mixing process, the emulsion is easy to adhere to the surface of the stirring plate to influence the subsequent mixing;
3. in the process of mixing and feeding, the entering amount of the preparation raw materials cannot be better controlled, and the raw materials are easily wasted.
Therefore, the invention provides a preparation system and a preparation method of an aqueous emulsion for a ceramic diaphragm coating of a lithium ion battery.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a preparation system and a preparation method of an aqueous emulsion for a ceramic diaphragm coating of a lithium ion battery, which solve the problems that the existing emulsion is not uniformly mixed in the preparation process, the emulsion is easily adhered to the surface of a stirring plate to influence the subsequent mixing, and the entering amount of preparation raw materials cannot be better controlled.
In order to achieve the purpose, the invention is realized by the following technical scheme: the water-based emulsion preparation system for the ceramic diaphragm coating of the lithium ion battery comprises a preparation tank, wherein the bottom of the preparation tank is fixedly connected with a bottom column, the top of the preparation tank is fixedly connected with a supporting plate through a support, the surface of the preparation tank is provided with a liquid inlet opening and closing mechanism, the interior of the preparation tank is provided with a mixed preparation mechanism, the mixed preparation mechanism comprises a driving motor and an air cylinder, the driving motor is fixedly arranged at the top of the supporting plate, one end of an output shaft of the driving motor is fixedly connected with a driving rotating shaft through a coupler, the bottom end of the driving rotating shaft penetrates and extends into the preparation tank, the air cylinder is fixedly arranged at the bottom of the preparation tank, the top of the air cylinder is slidably connected with a piston rod, the top end of the piston rod penetrates and extends into the preparation tank, the top end of the piston rod is rotatably connected with a stirring rod, and the stirring rod and the driving rotating shaft are slidably connected through a sliding component, the surface of puddler is provided with the stirring unit, including stirring board and bracing piece in the stirring unit, the one end of bracing piece is connected with the fixed surface of puddler, the one end fixedly connected with concave plate of bracing piece, the surface of stirring board is provided with scrapes the liquid subassembly, one side of stirring board has been seted up and has been run through the groove, the internal surface fixedly connected with dead lever of concave plate, the surface cover of dead lever is equipped with reset spring, reset spring's surface and the internal surface fixed connection who runs through the groove, and reset spring's both ends and the opposite side fixed connection of concave plate.
Preferably, the sliding assembly comprises a projection fixedly mounted on the surface of the driving rotating shaft, a groove is formed in the inner surface of the stirring rod, and the outer surface of the projection is in sliding connection with the inner surface of the groove.
Preferably, including scraping the liquid frame in scraping the liquid subassembly, the internal fixed surface who scrapes the liquid frame is connected with and scrapes the liquid piece, the surface in close contact with of the surface of scraping the liquid piece and stirring board, the fixed surface of stirring board is connected with the gag lever post.
Preferably, the one end fixedly connected with of scraping the liquid frame pulls the rope, the inside that extends to the puddler is run through to the one end of pulling the rope, the bottom fixed connection of the one end of pulling the rope and drive pivot, the internal surface rotation of puddler is connected with the dwang.
Preferably, the fixed surface of dwang is connected with the drive wheel, the surface contact of the surface of pulling the rope and drive wheel, the surface cover of dwang is equipped with torsion spring, torsion spring's both ends and the opposite side fixed connection of drive wheel and puddler.
Preferably, including fixed mounting in the feed liquor hoist mechanism at preparation tank surface's feed liquor board and the extension board of fixed mounting on the backup pad surface, the surface of extension board runs through to rotate and has support pivot and transmission pivot, and supports the surface of pivot and transmission pivot and pass through the transmission assembly transmission and connect, the top fixedly connected with rolling disc of support pivot.
Preferably, the equal fixedly connected with connecting rod in bottom of support pivot and transmission pivot, the one end fixedly connected with baffle of connecting rod, the fixed intercommunication in top of liquid inlet plate has the liquid storage pot, the feed liquor groove has been seted up to the bottom of liquid storage pot inner chamber, the bottom of liquid storage pot inner chamber and the one side fixedly connected with limiting plate that is located the feed liquor groove, the surface of baffle and the surface contact of limiting plate.
Preferably, the transmission assembly comprises a main rotating wheel fixedly mounted on the surface of the supporting rotating shaft and an auxiliary rotating wheel fixedly mounted on the surface of the transmission rotating shaft, and the surfaces of the main rotating wheel and the auxiliary rotating wheel are in transmission connection through a transmission belt.
The invention also discloses a preparation method of the aqueous emulsion for the ceramic diaphragm coating of the lithium ion battery, which specifically comprises the following steps:
s1, liquid inlet control: firstly, the rotating disc is rotated to drive the support rotating shaft to rotate, the transmission assembly drives the transmission rotating shaft to rotate, the support rotating shaft and the transmission rotating shaft drive the connecting rod and the baffle to be separated from the limiting plate, and the liquid inlet groove is opened, so that liquid can conveniently enter the preparation tank from the liquid inlet plate;
s2, mixing preparation: at the moment, a driving motor is started, the driving motor is utilized to drive the driving rotating shaft to rotate, the driving rotating shaft drives the stirring rod to rotate through the sliding assembly, so that the supporting rod and the stirring plate are driven to rotate, then the air cylinder is started, the air cylinder is utilized to drive the piston rod and the stirring rod to synchronously move, and the bottom emulsion is stirred upwards while the stirring plate rotates;
s3, plate surface scraping liquid: in the process of pushing the stirring rod to move upwards, the driving wheel is used for supporting the limiting position of the pulling rope, so that the pulling rope pulls the liquid scraping frame to move, and the liquid scraping sheet is used for removing liquid on the surface of the stirring plate.
Preferably, in the process that the cylinder drives the piston rod and the stirring rod to move downwards in the S2, the stirring plate rotates by taking the supporting rod as the center until the bottom of the inner cavity of the preparation tank, and the resetting operation of the stirring plate is realized through the reset spring.
Advantageous effects
The invention provides a preparation system and a preparation method of an aqueous emulsion for a ceramic diaphragm coating of a lithium ion battery. Compared with the prior art, the method has the following beneficial effects:
(1) this aqueous emulsion preparation system and preparation method for lithium ion battery ceramic diaphragm coating, through being provided with mixed preparation mechanism, utilize driving motor to drive the rotation of drive pivot, the drive pivot drives the puddler through sliding assembly and rotates, thereby the rotation of bracing piece and stirring board has been driven, then the actuating cylinder, utilize the synchronous motion of cylinder drive piston rod and puddler, upwards turn the emulsion of bottom when having realized stirring board pivoted, upwards turn the emulsion of bottom with this has been realized, the reciprocating rotation stirring to the emulsion has been realized in step, thereby the mixing efficiency of emulsion preparation has been improved.
(2) This aqueous emulsion preparation system and preparation method for lithium ion battery ceramic diaphragm coating, through being provided with scrapes the liquid subassembly, utilize the drive wheel to the spacing support of pulling the rope to make the pulling rope pulling scrape the liquid frame and remove, and make and scrape the liquid piece and go the liquid operation to the surface of stirring board, thereby avoided the emulsion to produce the accumulation on the stirring board surface and lead to mixing the poor problem of effect.
(3) This aqueous emulsion preparation system and preparation method for lithium ion battery ceramic diaphragm coating, through being provided with feed liquor headstock gear, rotate the rolling disc to the rotation of drive support pivot, and drive the rotation of transmission pivot through transmission assembly, support pivot and transmission pivot have driven connecting rod and baffle and have broken away from the limiting plate, and make the feed liquor groove open, with this convenient in controlling the volume that the preparation raw materials got into, avoided the waste of material, improve the quality of product simultaneously.
Drawings
FIG. 1 is an external perspective view of the present invention;
FIG. 2 is a perspective view of the inside of the preparation tank of the present invention;
FIG. 3 is an exploded perspective view of the hybrid manufacturing mechanism of the present invention;
FIG. 4 is an exploded perspective view of the stirring unit of the present invention;
FIG. 5 is an exploded perspective view of the wiper assembly of the present invention;
FIG. 6 is an enlarged view of a portion of the structure of FIG. 5;
FIG. 7 is a three-dimensional structure view of the liquid inlet opening and closing mechanism of the present invention;
FIG. 8 is a cross-sectional view of the internal perspective structure of the fluid reservoir of the present invention;
FIG. 9 is an enlarged view of a portion of FIG. 8 at B in accordance with the present invention;
FIG. 10 is a process flow diagram of a manufacturing method of the present invention.
In the figure: 1-preparation tank, 2-bottom column, 3-support plate, 4-bracket, 5-liquid inlet opening and closing mechanism, 51-liquid inlet plate, 52-extension plate, 53-support rotating shaft, 54-transmission rotating shaft, 55-transmission assembly, 55-1-main rotating wheel, 55-2-auxiliary rotating wheel, 55-3-transmission belt, 56-rotating disc, 57-connecting rod, 58-baffle, 59-liquid storage tank, 510-liquid inlet groove, 511-limit plate, 6-mixing preparation mechanism, 61-driving motor, 62-cylinder, 63-driving rotating shaft, 64-piston rod, 65-stirring rod, 66-sliding assembly, 66-1-lug, 66-2-groove, 67-stirring unit, 67-1-stirring plate, 67-2-supporting rod, 67-3-concave plate, 67-4-liquid scraping component, 67-41-liquid scraping frame, 67-42-liquid scraping sheet, 67-43-limiting rod, 67-44-pulling rope, 67-45-rotating rod, 67-46-driving wheel, 67-47-torsion spring, 67-5-through groove, 67-6-fixing rod and 67-7-reset spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: the preparation system of the water-based emulsion for the ceramic diaphragm coating of the lithium ion battery comprises a preparation tank 1, the bottom of the preparation tank 1 is fixedly connected with a bottom column 2, the top of the preparation tank 1 is fixedly connected with a support plate 3 through a support 4, the surface of the preparation tank 1 is provided with a liquid inlet opening and closing mechanism 5, the interior of the preparation tank 1 is provided with a mixed preparation mechanism 6, the mixed preparation mechanism 6 comprises a driving motor 61 and a cylinder 62, the driving motor 61 and the cylinder 62 are both electrically connected with an external power supply, the driving motor 61 is a three-phase asynchronous motor, the driving motor 61 is fixedly arranged at the top of the support plate 3, one end of an output shaft of the driving motor 61 is fixedly connected with a driving rotating shaft 63 through a coupler, the bottom end of the driving rotating shaft 63 penetrates and extends to the interior of the preparation tank 1, the cylinder 62 is fixedly arranged at the bottom of the preparation tank 1, the top of the cylinder 62 is slidably connected with a piston rod 64, and the top end of the piston rod 64 penetrates and extends to the interior of the preparation tank 1, the top end of the piston rod 64 is rotatably connected with a stirring rod 65, the stirring rod 65 is slidably connected with the driving rotating shaft 63 through a sliding assembly 66, the sliding assembly 66 comprises a projection 66-1 fixedly mounted on the surface of the driving rotating shaft 63, the projection 66-1 and the groove 66-2 slide in the vertical direction and can synchronously rotate when rotating, the inner surface of the stirring rod 65 is provided with a groove 66-2, the outer surface of the projection 66-1 is slidably connected with the inner surface of the groove 66-2, the surface of the stirring rod 65 is provided with a stirring unit 67, the stirring unit 67 comprises a stirring plate 67-1 and a support rod 67-2, one end of the support rod 67-2 is fixedly connected with the surface of the stirring rod 65, one end of the support rod 67-2 is fixedly connected with a concave plate 67-3, the surface of the stirring plate 67-1 is provided with a liquid scraping assembly 67-4, one side of the stirring plate 67-1 is provided with a through groove 67-5, the inner surface of the concave plate 67-3 is fixedly connected with a fixing rod 67-6, the surface of the fixing rod 67-6 is sleeved with a return spring 67-7, the surface of the return spring 67-7 is fixedly connected with the inner surface of the through groove 67-5, two ends of the return spring 67-7 are fixedly connected with the opposite side of the concave plate 67-3, through the arrangement of the mixing preparation mechanism 6, the driving motor 61 is used for driving the driving rotating shaft 63 to rotate, the driving rotating shaft 63 drives the stirring rod 65 to rotate through the sliding component 66, so that the supporting rod 67-2 and the stirring plate 67-1 are driven to rotate, then the air cylinder 62 is started, the air cylinder 62 is used for driving the piston rod 64 and the stirring rod 65 to synchronously move, the bottom emulsion is upwards turned while the stirring plate 67-1 rotates, therefore, the emulsion at the bottom is turned upwards, the reciprocating rotary stirring of the emulsion is synchronously realized, and the mixing efficiency of the emulsion preparation is improved.
Referring to fig. 5-6, the liquid scraping assembly 67-4 includes a liquid scraping frame 67-41, the inner surface of the liquid scraping frame 67-41 is fixedly connected with a liquid scraping sheet 67-42, the liquid scraping sheet 67-42 is used for removing the emulsion on the plate surface, the surface of the liquid scraping sheet 67-42 is in close contact with the surface of the stirring plate 67-1, the surface of the stirring plate 67-1 is fixedly connected with a limiting rod 67-43, one end of the liquid scraping frame 67-41 is fixedly connected with a pulling rope 67-44, one end of the pulling rope 67-44 penetrates and extends into the stirring rod 65, one end of the pulling rope 67-44 is fixedly connected with the bottom end of the driving rotating shaft 63, the inner surface of the stirring rod 65 is rotatably connected with a rotating rod 67-45, the surface of the rotating rod 67-45 is fixedly connected with a driving wheel 67-46, the outer surface of the pulling rope 67-44 is in contact with the outer surface of the driving wheel 67-46, torsion springs 67-47 are sleeved on the surface of the rotating rod 67-45, two ends of each torsion spring 67-47 are fixedly connected with opposite sides of the driving wheel 67-46 and the stirring rod 65, and the liquid scraping assembly 67-4 is arranged, so that the driving wheel 67-46 is used for limiting and supporting the pulling rope 67-44, the pulling rope 67-44 pulls the liquid scraping frame 67-41 to move, the liquid scraping sheet 67-42 is used for removing liquid from the surface of the stirring plate 67-1, and the problem of poor mixing effect caused by accumulation of emulsion on the surface of the stirring plate 67-1 is solved.
Referring to fig. 7-9, the liquid inlet opening and closing mechanism 5 includes a liquid inlet plate 51 fixedly mounted on the surface of the preparation tank 1 and an extension plate 52 fixedly mounted on the surface of the support plate 3, the surface of the extension plate 52 is penetrated and rotated by a support rotating shaft 53 and a transmission rotating shaft 54, the surfaces of the support rotating shaft 53 and the transmission rotating shaft 54 are in transmission connection through a transmission assembly 55, the top end of the support rotating shaft 53 is fixedly connected with a rotating disc 56, the bottom ends of the support rotating shaft 53 and the transmission rotating shaft 54 are both fixedly connected with a connecting rod 57, one end of the connecting rod 57 is fixedly connected with a baffle plate 58, a gap generated between the baffle plate 58 and the liquid inlet groove 510 is used for controlling the entering amount of the preparation raw materials, the top of the liquid inlet plate 51 is fixedly communicated with a liquid inlet groove 59, the bottom of the inner cavity of the liquid storage tank 59 is provided with a liquid inlet groove 510, the bottom of the inner cavity of the liquid storage tank 59 is fixedly connected with a limiting plate 511 positioned on one side of the liquid inlet groove 510, the surface of the baffle plate 58 is in contact with the surface of the limiting plate 511, the transmission assembly 55 comprises a main rotating wheel 55-1 fixedly mounted on the surface of the supporting rotating shaft 53 and an auxiliary rotating wheel 55-2 fixedly mounted on the surface of the transmission rotating shaft 54, the surfaces of the main rotating wheel 55-1 and the auxiliary rotating wheel 55-2 are in transmission connection through a transmission belt 55-3, the rotating disc 56 is rotated through the liquid inlet opening and closing mechanism 5, so that the supporting rotating shaft 53 is driven to rotate, the transmission assembly 55 drives the transmission rotating shaft 54 to rotate, the supporting rotating shaft 53 and the transmission rotating shaft 54 drive the connecting rod 57 and the baffle plate 58 to be separated from the limiting plate 511, and the liquid inlet groove 510 is opened, so that the amount of the prepared raw materials entering is conveniently controlled, the waste of the materials is avoided, and the quality of the product is improved.
Referring to fig. 10, the invention also discloses a preparation method of the aqueous emulsion for the ceramic diaphragm coating of the lithium ion battery, which specifically comprises the following steps:
s1, liquid inlet control: firstly, the rotating disc 56 is rotated to drive the supporting rotating shaft 53 to rotate, the transmission assembly 55 drives the transmission rotating shaft 54 to rotate, the supporting rotating shaft 53 and the transmission rotating shaft 54 drive the connecting rod 57 and the baffle plate 58 to be separated from the position of the limiting plate 511, and the liquid inlet groove 510 is opened, so that liquid can conveniently enter the preparation tank 1 from the liquid inlet plate 51;
s2, mixing preparation: at the moment, the driving motor 61 is started, the driving motor 61 is used for driving the driving rotating shaft 63 to rotate, the driving rotating shaft 63 drives the stirring rod 65 to rotate through the sliding assembly 66, so that the supporting rod 67-2 and the stirring plate 67-1 are driven to rotate, then the air cylinder 62 is started, and the air cylinder 62 is used for driving the piston rod 64 and the stirring rod 65 to synchronously move, so that the bottom emulsion is upwards turned while the stirring plate 67-1 rotates;
s3, plate surface scraping liquid: in the process of pushing the stirring rod 65 to move upwards, the pulling rope 67-44 is limited and supported by the transmission wheel 67-46, so that the pulling rope 67-44 pulls the liquid scraping frame 67-41 to move, and the liquid scraping sheet 67-42 carries out liquid removing operation on the surface of the stirring plate 67-1.
In the embodiment of the invention, in the process of driving the piston rod 64 and the stirring rod 65 to move downwards by the cylinder 62 in S2, the stirring plate 67-1 rotates by taking the support rod 67-2 as a center until the bottom of the inner cavity of the preparation tank 1, and the resetting operation of the stirring plate 67-1 is realized by the resetting spring 67-7.
And those not described in detail in this specification are well within the skill of those in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Aqueous emulsion preparation system for lithium ion battery ceramic diaphragm coating, including preparation jar (1), the bottom fixedly connected with sill pillar (2) of preparation jar (1), support (4) fixedly connected with backup pad (3), its characterized in that are passed through to the top of preparation jar (1): a liquid inlet opening and closing mechanism (5) is arranged on the surface of the preparation tank (1), and a mixing preparation mechanism (6) is arranged in the preparation tank (1);
the mixing preparation mechanism (6) comprises a driving motor (61) and an air cylinder (62), the driving motor (61) is fixedly arranged at the top of the supporting plate (3), one end of an output shaft of the driving motor (61) is fixedly connected with a driving rotating shaft (63) through a coupler, the bottom end of the driving rotating shaft (63) penetrates and extends into the preparation tank (1), the air cylinder (62) is fixedly arranged at the bottom of the preparation tank (1), the top of the air cylinder (62) is connected with a piston rod (64) in a sliding way, the top end of the piston rod (64) extends to the interior of the preparation tank (1) in a penetrating way, the top end of the piston rod (64) is rotatably connected with a stirring rod (65), the stirring rod (65) is in sliding connection with the driving rotating shaft (63) through a sliding assembly (66), and a stirring unit (67) is arranged on the surface of the stirring rod (65);
the stirring unit (67) comprises a stirring plate (67-1) and a supporting rod (67-2), one end of the supporting rod (67-2) is fixedly connected with the surface of the stirring rod (65), one end of the supporting rod (67-2) is fixedly connected with a concave plate (67-3), the surface of the stirring plate (67-1) is provided with a liquid scraping component (67-4), one side of the stirring plate (67-1) is provided with a through groove (67-5), the inner surface of the concave plate (67-3) is fixedly connected with a fixed rod (67-6), the surface of the fixed rod (67-6) is sleeved with a return spring (67-7), the surface of the return spring (67-7) is fixedly connected with the inner surface of the through groove (67-5), and two ends of the return spring (67-7) are fixedly connected with the opposite sides of the concave plate (67-3).
2. The system for preparing the aqueous emulsion for coating the ceramic diaphragm of the lithium ion battery according to claim 1, which is characterized in that: the sliding assembly (66) comprises a convex block (66-1) fixedly mounted on the surface of the driving rotating shaft (63), a groove (66-2) is formed in the inner surface of the stirring rod (65), and the outer surface of the convex block (66-1) is connected with the inner surface of the groove (66-2) in a sliding mode.
3. The system for preparing the aqueous emulsion for coating the ceramic diaphragm of the lithium ion battery according to claim 1, which is characterized in that: scrape among the liquid subassembly (67-4) including scraping liquid frame (67-41), the internal surface fixedly connected with of scraping liquid frame (67-41) scrapes liquid piece (67-42), the surface in close contact with of the surface of scraping liquid piece (67-42) and stirring board (67-1), the fixed surface of stirring board (67-1) is connected with gag lever post (67-43).
4. The system for preparing the aqueous emulsion for coating the ceramic diaphragm of the lithium ion battery according to claim 3, wherein: scrape the one end fixedly connected with of liquid frame (67-41) and pull rope (67-44), the inside that extends to puddler (65) is run through to the one end of pulling rope (67-44), the bottom fixed connection of the one end of pulling rope (67-44) and drive pivot (63), the internal surface rotation of puddler (65) is connected with dwang (67-45).
5. The system for preparing the aqueous emulsion for coating the ceramic diaphragm of the lithium ion battery according to claim 4, wherein: the surface of the rotating rod (67-45) is fixedly connected with a driving wheel (67-46), the outer surface of the pulling rope (67-44) is in contact with the outer surface of the driving wheel (67-46), a torsion spring (67-47) is sleeved on the surface of the rotating rod (67-45), and two ends of the torsion spring (67-47) are fixedly connected with the opposite sides of the driving wheel (67-46) and the stirring rod (65).
6. The system for preparing the aqueous emulsion for coating the ceramic diaphragm of the lithium ion battery according to claim 1, which is characterized in that: including liquid inlet plate (51) and the extension board (52) of fixed mounting in backup pad (3) surface on preparation jar (1) surface in feed liquor headstock gear (5), the surface of extension board (52) runs through to rotate and has support pivot (53) and transmission pivot (54), and the surface of support pivot (53) and transmission pivot (54) passes through transmission assembly (55) transmission and connects, the top fixedly connected with rolling disc (56) of support pivot (53).
7. The system for preparing the aqueous emulsion for coating the ceramic diaphragm of the lithium ion battery according to claim 6, which is characterized in that: support equal fixedly connected with connecting rod (57) in bottom of pivot (53) and transmission pivot (54), the one end fixedly connected with baffle (58) of connecting rod (57), the fixed intercommunication in top of liquid inlet plate (51) has liquid storage pot (59), liquid inlet groove (510) have been seted up to the bottom of liquid storage pot (59) inner chamber, the bottom of liquid storage pot (59) inner chamber just is located one side fixedly connected with limiting plate (511) of liquid inlet groove (510), the surface of baffle (58) and the surface contact of limiting plate (511).
8. The system for preparing the aqueous emulsion for coating the ceramic diaphragm of the lithium ion battery according to claim 6, which is characterized in that: the transmission assembly (55) comprises a main rotating wheel (55-1) fixedly mounted on the surface of the supporting rotating shaft (53) and an auxiliary rotating wheel (55-2) fixedly mounted on the surface of the transmission rotating shaft (54), and the surfaces of the main rotating wheel (55-1) and the auxiliary rotating wheel (55-2) are in transmission connection through a transmission belt (55-3).
9. The preparation method of the aqueous emulsion for the ceramic diaphragm coating of the lithium ion battery is characterized by comprising the following steps: the method specifically comprises the following steps:
s1, liquid inlet control: firstly, the rotating disc (56) is rotated to drive the support rotating shaft (53) to rotate, the transmission assembly (55) drives the transmission rotating shaft (54) to rotate, the support rotating shaft (53) and the transmission rotating shaft (54) drive the connecting rod (57) and the baffle (58) to be separated from the limiting plate (511), the liquid inlet groove (510) is opened, and liquid conveniently enters the preparation tank (1) from the liquid inlet plate (51);
s2, mixing preparation: at the moment, a driving motor (61) is started, the driving motor (61) is used for driving a driving rotating shaft (63) to rotate, the driving rotating shaft (63) drives a stirring rod (65) to rotate through a sliding assembly (66), so that a supporting rod (67-2) and a stirring plate (67-1) are driven to rotate, then an air cylinder (62) is started, a piston rod (64) and the stirring rod (65) are driven to synchronously move through the air cylinder (62), and the bottom emulsion is turned upwards while the stirring plate (67-1) rotates;
s3, plate surface scraping liquid: in the process of pushing the stirring rod (65) to move upwards, the pulling rope (67-44) is limited and supported by the driving wheel (67-46), so that the liquid scraping frame (67-41) is pulled by the pulling rope (67-44) to move, and the liquid scraping sheet (67-42) carries out liquid removing operation on the surface of the stirring plate (67-1).
10. The preparation method of the aqueous emulsion for the coating of the ceramic diaphragm of the lithium ion battery according to claim 9, which is characterized in that: in the S2, in the process that the cylinder (62) drives the piston rod (64) and the stirring rod (65) to move downwards, the stirring plate (67-1) rotates by taking the support rod (67-2) as a center until the bottom of the inner cavity of the preparation tank (1), and the resetting operation of the stirring plate (67-1) is realized through the resetting spring (67-7).
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| CN117717959B (en) * | 2024-02-07 | 2024-05-28 | 江苏智纬电子科技有限公司 | Sodium ion battery raw material mixing device capable of quantitatively proportioning |
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