CN116435723B - Electrolyte filling device with overflow-preventing function for sodium ion battery production and method - Google Patents
Electrolyte filling device with overflow-preventing function for sodium ion battery production and method Download PDFInfo
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- CN116435723B CN116435723B CN202310602869.2A CN202310602869A CN116435723B CN 116435723 B CN116435723 B CN 116435723B CN 202310602869 A CN202310602869 A CN 202310602869A CN 116435723 B CN116435723 B CN 116435723B
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- rod
- battery
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- 239000003792 electrolyte Substances 0.000 title claims abstract description 112
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910001415 sodium ion Inorganic materials 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 238000003860 storage Methods 0.000 claims abstract description 34
- 239000000872 buffer Substances 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims description 69
- 239000011324 bead Substances 0.000 claims description 19
- 230000003139 buffering effect Effects 0.000 claims description 14
- 238000000605 extraction Methods 0.000 claims description 12
- 239000013013 elastic material Substances 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims 2
- 238000004544 sputter deposition Methods 0.000 abstract description 10
- 238000005429 filling process Methods 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 description 7
- 238000007599 discharging Methods 0.000 description 7
- 238000000926 separation method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 239000007853 buffer solution Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/054—Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/673—Containers for storing liquids; Delivery conduits therefor
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Filling, Topping-Up Batteries (AREA)
- Secondary Cells (AREA)
Abstract
The application relates to the technical field of battery electrolyte, in particular to an electrolyte filling device with an anti-overflow function for sodium ion battery production and a method thereof. Including conveyer, conveyer fixedly connected with mount, mount fixedly connected with liquid storage pot, liquid storage pot fixedly connected with and intercommunication have buffer tube, buffer tube fixedly connected with and intercommunication have baffling pipeline, and the liquid storage pot is through the hollow pole of mounting bracket sliding connection, hollow pole sliding connection has first slide bar, first floater of first slide bar fixedly connected with, and first floater is located buffer tube. According to the application, the gap between the first floating ball and the buffer pipeline is changed through gradual pressure change, so that the flow of the electrolyte is changed, the larger flow in the initial stage of filling is reduced, the smaller flow in the later stage of filling is increased, the filling of the electrolyte is smooth in the whole filling process, and the sputtering amount and the sputtering range of the electrolyte are reduced.
Description
Technical Field
The application relates to the technical field of battery electrolyte, in particular to an electrolyte filling device with an anti-overflow function for sodium ion battery production and a method thereof.
Background
A battery refers to a device that converts chemical energy into electrical energy in a cup, tank, or other container or portion of a composite container that contains an electrolyte solution and metal electrodes to generate an electrical current.
When the existing vacuum filling machine fills electrolyte into a battery, the volume of a cavity in the battery is large in an initial filling stage, negative pressure generated in the cavity by a vacuum device is large, so that the electrolyte enters the battery, the flow of the electrolyte is overlarge, a large amount of electrolyte impacts the battery cavity, the electrolyte in the battery cavity splashes and contacts with a sealing cover, after the filling is finished, the electrolyte in contact with the sealing cover drops, part of the electrolyte is wasted, meanwhile, the dropped electrolyte also pollutes the environment, and as the electrolyte in the battery cavity increases, the volume of the cavity in the battery gradually decreases, so that the negative pressure generated in the battery cavity by the vacuum device decreases in a later filling stage, the speed of the electrolyte entering the battery is reduced, and the filling efficiency is reduced.
Disclosure of Invention
In order to overcome the defects in the background art, the application provides an electrolyte filling device with an anti-overflow function for producing a sodium ion battery with a buffer function and a method thereof.
The technical implementation scheme of the application is as follows: the utility model provides an electrolyte filling device with anti-overflow function for sodium ion battery production, including conveyer, conveyer is provided with control panel, conveyer fixedly connected with mount, mount fixedly connected with liquid storage pot, the mount passes through mounting bracket fixedly connected with hydraulic push rod, hydraulic push rod's telescopic end fixedly connected with seal housing, liquid storage pot fixedly connected with and intercommunication have buffer tube, buffer tube is the conical pipeline concatenation that three different sizes of shape forms, seal housing fixedly connected with and intercommunication have first pipeline, be provided with the baroceptor in the seal housing, mount fixedly connected with first vacuum pump, buffer tube fixedly connected with baffling pipeline, baffling pipeline fixedly connected with solenoid valve, the liquid storage pot passes through mounting bracket sliding connection with hollow pole, hollow pole sliding connection has first slide bar, first slide bar fixedly connected with first floater, first floater is located buffer tube, hollow pole fixedly connected with second floater, the second floater is located the liquid storage pot, mount fixedly connected with second vacuum pump, second vacuum pump fixedly connected with and intercommunication have the second pipeline, be provided with in the second floater and be used for with hollow pole and first pipeline to be linked together through separation mechanism, the change with the initial stage of buffer flow with the change of buffer solution through the clearance, the change of initial stage is with the change of the initial stage of flow.
Preferably, baffle plates distributed in a circumferential staggered way are arranged in the baffle pipeline and used for buffering the flow speed of the electrolyte.
Preferably, the separating mechanism comprises a third pipeline, the third pipeline is fixedly connected with the first pipeline, the third pipeline is fixedly connected with a sealing sleeve, the third pipeline is fixedly connected with a fixed sleeve shell and communicated with the hollow rod, the fixed sleeve shell is fixedly connected with the hollow rod and communicated with the hollow rod, a buoyancy plate is slidably connected between the fixed sleeve shell and the sealing sleeve, the buoyancy plate is fixedly connected with a sealing ball through a mounting rod, and the sealing ball is in limiting fit with the hollow rod.
Preferably, the sealing ball is made of elastic materials, and the diameter of the sealing ball is slightly larger than the caliber of the hollow rod so as to seal the hollow rod.
Preferably, the positioning mechanism comprises a sliding plate, the sliding block of the sliding plate is connected to the sealing shell, the sliding plate is rotationally connected with a rotating ring, an arc-shaped chute is arranged on the outer side of the baffling pipeline, a protruding block which is in limit fit with the arc-shaped chute of the baffling pipeline is arranged in the rotating ring, the rotating ring is fixedly connected with a fixing rod which is circumferentially distributed, the fixing rod is rotationally connected with a first rotating rod, the sealing shell is slidingly connected with a second sliding rod which is circumferentially distributed, the second sliding rod is fixedly connected with a positioning rod, the positioning rod is rotationally connected with the adjacent first rotating rod, a fixing frame is fixedly connected with a first electric push rod through a mounting frame, the sealing shell is fixedly connected with a limiting rod, and the telescopic end of the first electric push rod is fixedly connected with the baffling pipeline through a mounting plate.
Preferably, the device further comprises a fixing mechanism, the fixing mechanism comprises a second rotating rod, the second rotating rod is fixedly connected with a conveying device, the second rotating rod is fixedly connected with a bottom shell, the bottom shell is fixedly connected with a fixing ring, the fixing ring is slidably connected with a limiting plate, the limiting plate is in limiting fit with the limiting rod, a spring is arranged between the limiting plate and the bottom shell, the limiting plate is fixedly connected with a connecting plate, the fixing ring is fixedly connected with a top plate, the connecting plate is fixedly connected with sliding bead rods which are uniformly distributed in the circumferential direction, and the sliding bead rods are in sliding connection with the top plate.
Preferably, the connecting plate is elastic material, and the elasticity of the connecting plate to the sliding bead rod is greater than the gravity when the battery is not filled, and the elasticity of the connecting plate to the sliding bead rod is less than the gravity after the battery is filled, and is used for fixing the battery.
Preferably, the automatic feeding device further comprises an auxiliary feeding mechanism, the auxiliary feeding mechanism comprises a motor, the motor is fixedly connected to the liquid storage tank through a mounting frame, the liquid storage tank is rotationally connected with a first rotating frame, the motor drives the first rotating frame to rotate through a belt wheel and a belt, the first rotating frame is rotationally connected with a third rotating rod which is uniformly distributed in the circumferential direction, the third rotating rod is fixedly connected with fan blades, and the first rotating frame is provided with a turning assembly.
Preferably, the direction changing assembly comprises a second electric push rod, the second electric push rod is fixedly connected to the liquid storage tank through a mounting frame, a second rotating frame is fixedly connected to the telescopic end of the second electric push rod, the second rotating frame is in sliding connection with the first rotating frame, racks which are uniformly distributed in the circumferential direction are fixedly connected to the second rotating frame, a gear is fixedly connected to the third rotating rod, and the racks are meshed with the gear.
Preferably, the filling method for filling the electrolyte filling device with the overflow preventing function for producing the sodium ion battery specifically comprises the following steps:
s1, firstly, controlling a cavity in a hollow rod to be extracted under negative pressure by a user, sealing a buffer pipeline through a first floating ball driven by air pressure in the hollow rod, then filling a sufficient amount of electrolyte into a liquid storage tank, and then starting a conveying device through a control panel to drive a battery to move;
s2: when the battery reaches a filling position under the drive of the conveying device, a user controls the hydraulic push rod and the first electric push rod to move downwards synchronously through the control panel, when the positioning rod moves into a cavity for filling electrolyte into the battery, the hydraulic push rod stops moving, the user controls the first electric push rod to move the baffling pipeline downwards to position the battery, and after the positioning is finished, the user continuously drives the sealing shell to move downwards and seal the battery cavity through controlling the hydraulic push rod;
s3: in the early stage of filling, a user starts a motor to drive the fan blades to rotate so as to uniformly mix electrolyte, and in the later stage of filling, the user controls the second electric push rod to drive the fan blades to change the angle, so that the movement state of the electrolyte is changed;
s4: after the sealing of the sealed shell and the battery is finished, a user starts a first vacuum pump to conduct negative pressure extraction on a cavity between the sealed shell and the battery and a third pipeline, then the user opens an electromagnetic valve through a control panel, electrolyte in a liquid storage tank is downwards extruded into a first floating ball because of pressure difference, the electrolyte enters a baffling pipeline after passing through a gap between the first floating ball and the buffering pipeline, the electrolyte enters a battery cavity after buffering through the baffling pipeline, continuous filling is conducted, in the process that a second floating ball is immersed in the electrolyte, the electrolyte enters the battery cavity through a hole formed in the second floating ball, a buoyancy plate drives a sealing ball to move upwards due to buoyancy, the hollow rod and a first sliding rod relatively slide, the first floating ball floats upwards, after an air pressure sensor in the sealed shell detects that the air pressure in the sealed shell and the battery cavity is reduced to a preset value, the second vacuum pump is controlled to conduct negative pressure extraction on the cavity in the hollow rod, the sealing ball forms sealing on the buffering pipeline again, meanwhile, the baffling pipeline is controlled to be closed, then the first electric pushing rod is started to drive the battery to move upwards, the positioning rod is simultaneously moved upwards, the battery is positioned, the battery is transported upwards, the positioning rod is moved downwards, and then the battery is fixed, and the device is lifted upwards is started to move, and then the battery is transported.
According to the application, the electrolyte flow is changed through the gradual change of the gap between the first floating ball and the buffer pipeline along with the pressure, the larger flow in the initial stage of filling is reduced, the smaller flow in the later stage of filling is increased, so that the electrolyte is filled smoothly in the whole filling process, the sputtering amount and the sputtering range of the electrolyte are reduced, the buffering of the injection speed of the electrolyte through the baffle plates which are arranged alternately, the sputtering range of the electrolyte is reduced again, the battery is positioned through the positioning rod of the positioning mechanism, the position of the electrolyte is always positioned in the center of the battery during filling, the friction force of the battery during positioning is reduced through the sliding bead rod of the fixing mechanism and the connecting plate, the positioning and fixing of the battery are assisted, the fan blade direction of the auxiliary discharging mechanism is changed, the fan blade drives and mixes the electrolyte upwards in the early stage of filling, the resistance is formed on the electrolyte, and the fan blade drives the electrolyte downwards in the later stage of filling, and the flow of the electrolyte in the later half stage of filling is increased.
Drawings
Fig. 1 is a schematic perspective view of the present application.
Fig. 2 is a perspective sectional view of the liquid storage tank and its internal parts according to the present application.
Fig. 3 is a perspective view of the first slide bar, second conduit and other parts of the present application.
Fig. 4 is a perspective cross-sectional view of the separation mechanism and its internal components of the present application.
Fig. 5 is a perspective cross-sectional view of the positioning mechanism and other components of the present application.
Fig. 6 is a perspective cross-sectional view of the fixing mechanism and its internal parts according to the present application.
Fig. 7 is a perspective sectional view of the auxiliary discharging mechanism and its internal parts according to the present application.
Fig. 8 is an enlarged view of the present application at drawing a.
Fig. 9 is an enlarged view at the drawing B of the present application.
In the figure: 1. the device comprises a conveying device, 101, a control panel, 2, a fixed frame, 3, a liquid storage tank, 4, a hydraulic push rod, 5, a sealing shell, 6, a buffer pipeline, 7, a first pipeline, 8, a first vacuum pump, 9, a baffle pipeline, 901, a baffle plate, 902, an electromagnetic valve, 10, a hollow rod, 11, a first sliding rod, 12, a first floating ball, 13, a second floating ball, 14, a second vacuum pump, 15, a second pipeline, 16, a separating mechanism, 1601, a third pipeline, 1602, a sealing sleeve, 1603, a fixed sleeve, 1604, a buoyancy plate, 1605, a sealing ball, 17, a positioning mechanism, 1701, a sliding plate, 1702, a rotating ring, 1703, a fixed rod, 1704, a first rotating rod, 1705, a second sliding rod, 1706, a positioning rod, 1707, a first electric push rod, 1708, a limit rod, 18, a fixed mechanism, 1801, a second rotating rod, a bottom shell, 1803, a fixed ring, 1804, a limit plate, 1805, a spring, 1806, a connecting plate, 1908, a top plate, a motor 1908, a top plate, a slide rod, a positioning mechanism, 1901, a rotary frame 1906, a rotary frame 1908, a rotary frame 1903, a rotary frame 1906, a rotary frame 1908, a rotary frame 1906, a rotary frame 1903, a rotary frame.
Description of the embodiments
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1: the electrolyte filling device with an anti-overflow function for sodium ion battery production is shown in fig. 1-3, and comprises a conveying device 1, wherein the conveying device 1 is provided with a control panel 101, the conveying device 1 is fixedly connected with a fixing frame 2, the upper side of the fixing frame 2 is fixedly connected with a liquid storage tank 3 for storing electrolyte, the fixing frame 2 is fixedly connected with a hydraulic push rod 4 through the fixing frame, the telescopic end of the hydraulic push rod 4 is fixedly connected with a sealing shell 5, the lower side of the liquid storage tank 3 is fixedly connected and communicated with a buffer pipeline 6, the buffer pipeline 6 is formed by splicing three conical pipelines with different shapes and different sizes, the sealing shell 5 is fixedly connected and communicated with a telescopic first pipeline 7, an air pressure sensor is arranged in the sealing shell 5, the fixing frame 2 is fixedly connected with a first vacuum pump 8 for carrying out negative pressure extraction on a battery cavity, the lower side of the buffer pipeline 6 is fixedly connected and communicated with a telescopic baffle pipeline 9, baffle plates 901 which are circumferentially staggered are arranged in the baffle pipeline 9, the baffle plates 901 are used for buffering the flowing speed of electrolyte, an electromagnetic valve 902 is fixedly connected to the lower port of the baffle pipeline 9, the inner side of the liquid storage tank 3 is slidably connected with a hollow rod 10 through a mounting frame, the hollow rod 10 is slidably connected with a first sliding rod 11, the lower end of the first sliding rod 11 is fixedly connected with a first floating ball 12 which is used for controlling the flow of the electrolyte by matching with the buffer pipeline 6, the first floating ball 12 is positioned in the buffer pipeline 6, the hollow rod 10 is fixedly connected with a second floating ball 13 which is used for providing buoyancy for the first floating ball 12, the mounting frame 2 is fixedly connected with a second vacuum pump 14 which is used for controlling the distance between the first floating ball 12 and the second floating ball 13, the second vacuum pump 14 is fixedly connected and communicated with a telescopic second pipeline 15, the second pipeline 15 is communicated with the hollow rod 10, a separating mechanism 16 used for communicating the hollow rod 10 with the first pipeline 7 is arranged in the second floating ball 13, the electrolyte flow is changed along with the gradual change of pressure through the gap between the first floating ball 12 and the buffer pipeline 6, the larger flow in the initial filling stage is reduced, the smaller flow in the later filling stage is increased, the electrolyte filling is smooth in the whole filling process, and the sputtering amount and the sputtering range of the electrolyte are reduced.
When the device is used, a user firstly controls the cavity in the hollow rod 10 to carry out negative pressure extraction, the air pressure drives the first floating ball 12 to move upwards through the first sliding rod 11 and seal the buffer pipeline 6, then sufficient electrolyte is filled into the liquid storage tank 3 and uniformly mixed through the auxiliary discharging mechanism 19, then the conveying device 1 is controlled through the control panel 101 to drive the fixing mechanism 18 to carry out circumferential rotation, then a worker places the battery on the upper side of the fixing mechanism 18, and the conveying device 1 drives the fixing mechanism 18 to rotate through the rotation, so that the angle of the battery in circumferential rotation is adjusted.
When the battery moves to the filling position, the user controls the conveying device 1 to stop moving and controls the hydraulic push rod 4 and the positioning mechanism 17 to synchronously move downwards, when the positioning rod 1706 moves to the upper side of the battery cavity, the hydraulic push rod 4 stops moving, the sealed shell 5 is not contacted with the battery, the user positions the battery through the cooperation of the positioning mechanism 17 and the fixing mechanism 18, and after the positioning is finished, the user continuously drives the sealed shell 5 to move downwards through controlling the hydraulic push rod 4 until the sealed shell 5 is extruded with the battery.
After the sealing of the sealed shell 5 and the battery is completed, a user starts the first vacuum pump 8 to simultaneously extract negative pressure from the cavity between the sealed shell 5 and the battery and the separating mechanism 16, then the user opens the electromagnetic valve 902 through the control panel 101, electrolyte in the liquid storage tank 3 is downwards extruded to the first floating ball 12 due to pressure difference, the first floating ball 12 drives the second floating ball 13 to synchronously move downwards and to be immersed in the electrolyte, the separating mechanism 16 is triggered to communicate the hollow rod 10 with the air pressure of the sealed shell 5, the electrolyte enters the baffle pipeline 9 after passing through the gap between the first floating ball 12 and the buffer pipeline 6, the downward movement amplitude of the first floating ball 12 is larger because of larger pressure difference at first time, the gap between the first floating ball 12 and the buffer pipeline 6 is gradually reduced from top to bottom, so that when the pressure difference is larger, the electrolyte enters the cavity of the battery after being buffered through the baffle 901, the initial flow rate of the electrolyte is changed into smaller, the sputtering quantity and the sputtering range of the electrolyte are reduced, and the sputtering range of the electrolyte to the flowing speed of the electrolyte is reduced again through the baffle 901.
After the second floating ball 13 is immersed in the electrolyte, the electrolyte enters the second floating ball 13, the trigger separation mechanism 16 communicates the cavity in the hollow rod 10 with the pressure of the sealed shell 5, after the pressure is communicated, the pressure in the hollow rod 10 is synchronously increased along with the pressure increase in the sealed shell 5, the hollow rod 10 and the first sliding rod 11 slide relatively, meanwhile, the second floating ball 13 and the hollow rod 10 synchronously move upwards along with the pressure increase due to the upward buoyancy of the second floating ball 13 until the second floating ball 13 moves above the liquid level, in the process, the hollow rod 10 will not continue to drive the first sliding rod 11 upwards, the first floating ball 12 floats upwards only due to the buoyancy of the first floating ball 12, the upward movement speed of the first floating ball 12 is reduced, meanwhile, the internal pressure difference between the liquid storage tank 3 and the sealed shell 5 is reduced, the electrolyte discharging speed is slowed down, the first floating ball 12 moves upwards, the gap between the first floating ball 12 and the buffer pipeline 6 is increased, the flow rate of electrolyte is increased, the synchronous adjustment auxiliary blanking mechanism 19 assists the electrolyte to flow downwards, the flow rate of electrolyte is increased, after the air pressure sensor in the electrolyte detects that the air pressure in the sealed shell 5 and the battery cavity is reduced to a preset value, the control panel 101 controls the second vacuum pump 14 to carry out negative pressure extraction on the cavity in the hollow rod 10, the separating mechanism 16 isolates the cavity in the hollow rod 10 from the cavity of the sealed shell 5 again, the first floating ball 12 seals the buffer pipeline 6, the electromagnetic valve 902 is controlled to be closed, the positioning mechanism 17 and the hydraulic push rod 4 are controlled to bring the sealed shell 5 and the baffle pipeline 9 up, the positioning mechanism 17 loses the limit of the fixing mechanism 18, then the fixing mechanism 18 fixes the battery, the conveying device 1 is started to convey the filled battery backwards for the next step, and (5) filling is completed.
Example 2: on the basis of embodiment 1, as shown in fig. 3 and 4, the separating mechanism 16 comprises a telescopic third pipeline 1601, the third pipeline 1601 is fixedly connected to the first pipeline 7 and is communicated with the first pipeline 1601, a sealing sleeve 1602 is fixedly connected to the outer side of the third pipeline 1601, a fixing sleeve 1603 is fixedly connected to and is communicated with the lower end of the third pipeline 1601, a buoyancy plate 1604 is fixedly connected between the fixing sleeve 1603 and the sealing sleeve 1602 and is communicated with the lower end of the fixing sleeve 1603, a sealing ball 1605 is fixedly connected to the inner side of the buoyancy plate 1604 through a mounting rod, the sealing ball 1605 is in limit fit with the hollow rod 10, the sealing ball 1605 is made of elastic materials, and the diameter of the sealing ball 1605 is slightly larger than the caliber of the hollow rod 10 so as to seal the hollow rod 10.
Before the pouring starts, the user controls the second vacuum pump 14 to perform negative pressure extraction on the hollow rod 10 through the control panel 101, and adjusts the position relationship between the hollow rod 10 and the first sliding rod 11 through the negative pressure value, and during the negative pressure extraction, the sealing ball 1605 is made of elastic material and has a diameter slightly larger than that of the hollow rod 10, so that the sealing ball 1605 is embedded into the upper port of the hollow rod 10, and sealing is completed.
The distance between the first floating ball 12 and the second floating ball 13 is regulated by the negative pressure state in the hollow rod 10, when the first floating ball 12 and the second floating ball 13 are closest, the air pressure in the hollow rod 10 is slightly lower than the air pressure when the sealing shell 5 and the battery cavity extract negative pressure, otherwise, when the first floating ball 12 and the second floating ball 13 are farthest, the air pressure in the hollow rod 10 is slightly higher than the air pressure when the sealing shell 5 and the battery cavity extract negative pressure, when the inside of the battery cavity is negative pressure, the third pipeline 1601 and the sealing shell 5 are in the same negative pressure state, at the moment, the two sides of the sealing ball 1605 are smaller or even have no pressure difference, after the second floating ball 13 is immersed in electrolyte, the electrolyte enters the inside of the second floating ball 13 through a hole arranged on the second floating ball 13, when the liquid level in the second floating ball 13 exceeds the buoyancy plate 1604, the buoyancy plate 1604 drives the sealing ball 1605 to move upwards, the cavity in the hollow rod 10 is communicated with the third pipeline 1601, then the second floating ball 13 moves upwards along with the rising of the air pressure in the battery cavity, the hollow rod 10 and the first sliding rod 11 slide relatively, the downward moving speed of the electrolyte is reduced, after the air pressure sensor in the sealed shell 5 detects that the air pressure in the sealed shell 5 and the battery cavity is reduced to a preset value, the second floating ball 13 floats to the water surface, the electrolyte in the second floating ball 13 flows outwards, the sealing ball 1605 moves downwards to the upper port of the hollow rod 10, then a user controls the second vacuum pump 14 to perform negative pressure extraction on the cavity in the hollow rod 10 through the control panel 101, the sealing ball 1605 is embedded into the upper port of the hollow rod 10 again, and forms a seal again, and the first floating ball 12 moves upwards to the upper end of the buffer pipeline 6 to prepare for the next buffering.
As shown in fig. 2 and 5, the battery positioning device further comprises a positioning mechanism 17, the positioning mechanism 17 comprises a sliding plate 1701, the sliding block of the sliding plate 1701 is connected to the inner side of the sealed housing 5, the sliding plate 1701 is rotationally connected with a rotating ring 1702, the outer side of the baffle pipeline 9 is provided with an arc-shaped sliding groove, a bump which is in limit fit with the arc-shaped sliding groove of the baffle pipeline 9 is arranged in the rotating ring 1702, a fixed rod 1703 which is circumferentially distributed is fixedly connected to the lower side of the rotating ring 1702, a first rotating rod 1704 is rotationally connected to the lower end of the fixed rod 1703, a second sliding rod 1705 which is circumferentially distributed is slidingly connected to the sealed housing 5, a positioning rod 1706 which is rotationally connected to the adjacent first rotating rod 1704 is fixedly connected to the fixed frame 2 through a mounting frame, a limit rod 1708 which is laterally symmetrically distributed is fixedly connected to the sealed housing 5, and a telescopic end of the first electric push rod 1707 is fixedly connected to the baffle pipeline 9 through a mounting plate.
When the battery reaches the filling position under the drive of the conveying device 1, a user controls the hydraulic push rod 4 to move downwards synchronously with the first electric push rod 1707 through the control panel 101, when the positioning rod 1706 moves into a cavity for filling electrolyte into the battery, the hydraulic push rod 4 stops moving, the sealing shell 5 is not contacted with the battery, the user drives the baffling pipeline 9 to move downwards through the first electric push rod 1707, and because the baffling pipeline 9 is provided with a bump which is in limit sliding fit with the bump in the rotating ring 1702, when the baffling pipeline 9 moves downwards, the baffling pipeline 9 drives the rotating ring 1702 to rotate, the rotating ring 1702 drives the first rotating rod 1704 to rotate through the fixed rod 1703, the first rotating rod 1704 drives the positioning rod 1706 to move, and the positioning rod 1706 moves outwards through the limit of the second sliding rod 1705 until the positioning rod contacts the inner wall of the battery cavity, and the friction force is reduced by combining with the sliding bead rod 1808 to simultaneously position.
As shown in fig. 1 and 6, the device further comprises a fixing mechanism 18, the fixing mechanism 18 comprises a second rotating rod 1801, the second rotating rod 1801 is fixedly connected to the conveying device 1, the second rotating rod 1801 is fixedly connected with a bottom shell 1802, a fixing ring 1803 is fixedly connected to the upper side of the bottom shell 1802, a limiting plate 1804 is slidably connected to the fixing ring 1803, the limiting plate 1804 is in limit fit with the limiting rod 1708, a spring 1805 is arranged between the limiting plate 1804 and the bottom shell 1802, a connecting plate 1806 is fixedly connected to the upper side of the limiting plate 1804, the connecting plate 1806 is an elastic sponge pad, the elasticity of the connecting plate 1806 to the sliding bead rod 1808 is larger than the gravity of a battery when the battery is not filled, the elasticity of the connecting plate 1806 to the sliding bead rod 1808 is smaller than the gravity of the battery after the battery is filled, the upper side of the fixing ring 1803 is fixedly connected with a top plate 1807, the upper side of the connecting plate 1806 is fixedly connected with the sliding bead rod 1808 which is circumferentially and evenly distributed, the friction force when the battery is positioned is reduced, and the sliding bead rod 1808 is slidably connected to the top plate 1807.
After the positioning is finished, a user continuously drives the seal housing 5 to move downwards by controlling the hydraulic push rod 4, at the moment, the limiting rod 1708 and the limiting plate 1804 generate limiting, the limiting rod 1708 downwards drives the sliding bead rod 1808 through the limiting plate 1804, the sliding bead rod 1808 downwards moves to a position between the top plate 1807 and the bottom shell 1802, at the moment, the friction force between the battery and the top plate 1807 is greatly increased, and then when the seal housing 5 and the battery generate extrusion sealing, the horizontal placement of the battery is ensured, and the sealing effect is improved.
When the battery is filled, the first electric push rod 1707 is started to drive the baffle pipeline 9 to move upwards and simultaneously retract the positioning rod 1706, then the hydraulic push rod 4 is started to bring the sealing shell 5 up, the limiting rod 1708 moves upwards synchronously with the sealing shell 5, the limiting rod 1708 loses the limit of the limiting plate 1804, the limiting plate 1804 moves upwards along with the reset of the spring 1805, the weight of the battery is increased after the battery is filled, the battery presses the sliding bead rod 1808, the sliding bead rod 1808 presses the connecting plate 1806 to drop downwards, and the limiting plate 1804 drives part of the sliding bead rod 1808 around the battery to move upwards through the connecting plate 1806 to fix the battery.
As shown in fig. 2 and fig. 7-9, the automatic feeding and discharging device further comprises an auxiliary discharging mechanism 19, the auxiliary discharging mechanism 19 comprises a motor 1901, the motor 1901 is fixedly connected to the liquid storage tank 3 through a mounting frame, a first rotating frame 1902 is rotatably connected to the inner side of the liquid storage tank 3, the motor 1901 drives the first rotating frame 1902 to rotate through a belt wheel and a belt, third rotating rods 1906 are uniformly distributed in the circumferential direction and rotatably connected to the first rotating frame 1902, fan blades 1908 are fixedly connected to the third rotating rods 1906, and a turning assembly is arranged on the first rotating frame 1902.
As shown in fig. 2 and fig. 7-9, the direction changing assembly comprises a second electric push rod 1903, the second electric push rod 1903 is fixedly connected to the liquid storage tank 3 through a mounting frame, a telescopic end of the second electric push rod 1903 is fixedly connected with a second rotating frame 1904, the second rotating frame 1904 is slidably connected with the first rotating frame 1902, the second rotating frame 1904 is fixedly connected with racks 1905 which are uniformly distributed in the circumferential direction, a third rotating rod 1906 is fixedly connected with a gear 1907, and the racks 1905 are meshed with the gear 1907.
In the early stage of filling, when the downward flow of the electrolyte is more intense, a user starts a motor 1901 to drive a first rotating frame 1902 and a second rotating frame 1904 to synchronously rotate, the first rotating frame 1902 drives a fan blade 1908 to rotate, the electrolyte is upwards driven and uniformly mixed, resistance is formed to the electrolyte, in the later stage of filling, the user controls a second electric push rod 1903 to drive a rack 1905 to upwards move, the rack 1905 is meshed with a gear 1907 to drive the fan blade 1908 to change the angle, so that the fan blade 1908 drives the electrolyte downwards in the rotating process, the electrolyte is pushed to downwards move, and the flow rate of the electrolyte in the later half stage of filling is increased.
Example 3: on the basis of the embodiment 2, as shown in fig. 1-8, the filling method for filling the electrolyte filling device with the overflow-preventing function for sodium ion battery production specifically comprises the following steps:
s1, firstly, a user controls the cavity in the hollow rod 10 to be extracted under negative pressure, the buffer pipeline 6 is sealed by the first floating ball 12 driven by the air pressure in the hollow rod 10, then a sufficient amount of electrolyte is filled in the liquid storage tank 3, and then the conveying device 1 is started through the control panel 101 to drive the battery to move;
s2: when the battery reaches the filling position under the drive of the conveying device 1, a user controls the hydraulic push rod 4 and the first electric push rod 1707 to synchronously move downwards through the control panel 101, when the positioning rod 1706 moves into a cavity for filling electrolyte into the battery, the hydraulic push rod 4 stops moving, the user controls the first electric push rod 1707 to downwards move the baffling pipeline 9 to position the battery, and after the positioning is finished, the user continuously drives the sealing shell 5 to downwards move and seal the battery cavity through controlling the hydraulic push rod 4;
s3: in the early stage of filling, a user starts the motor 1901 to drive the fan blades 1908 to rotate, the electrolyte is uniformly mixed, and in the later stage of filling, the user controls the second electric push rod 1903 to drive the fan blades 1908 to change the angle, so that the movement state of the electrolyte is changed;
s4: after the sealing of the sealing shell 5 and the battery is completed, a user starts the first vacuum pump 8 to perform negative pressure extraction on the cavity between the sealing shell 5 and the battery and the third pipeline 1601, then the user opens the electromagnetic valve 902 through the control panel 101, electrolyte in the liquid storage tank 3 presses the first floating ball 12 downwards due to pressure difference, the electrolyte enters the baffling pipeline 9 after passing through a gap between the first floating ball 12 and the buffering pipeline 6, the flow is adjusted, the electrolyte enters the battery cavity after buffering through the baffling pipeline 9 and is continuously poured, in the process that the second floating ball 13 is immersed in the electrolyte, the electrolyte enters the electrolyte through a hole arranged on the second floating ball 13, the buoyancy plate 1604 drives the sealing ball 1605 to move upwards due to buoyancy, the hollow rod 10 and the first sliding rod 11 slide relatively, the first floating ball 12 floats upwards, when the air pressure sensor in the sealed shell 5 detects that the air pressure in the sealed shell 5 and the air pressure in the battery cavity are reduced to a preset value, the second vacuum pump 14 is controlled to conduct negative pressure extraction on the cavity in the hollow rod 10, the sealing ball 1605 forms sealing on the hollow rod 10 again, the first floating ball 12 forms sealing on the buffer pipeline 6, meanwhile, the electromagnetic valve 902 is controlled to be closed, filling is completed, then the first electric push rod 1707 is started to drive the baffle pipeline 9 to move upwards and retract the positioning rod 1706, the battery is located in a cancel mode, the hydraulic push rod 4 is started to bring the sealed shell 5 up, the sliding ball rod 1808 around the battery moves upwards to fix the battery, and then the conveying device 1 is started to transport the filled battery backwards for the next step.
It should be understood that this example is only illustrative of the application and is not intended to limit the scope of the application. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present application, and such equivalents are intended to fall within the scope of the application as defined in the appended claims.
Claims (8)
1. Electrolyte filling device with anti-overflow function for sodium ion battery production, characterized by: comprises a conveying device (1), the conveying device (1) is provided with a control panel (101), the conveying device (1) is fixedly connected with a fixing frame (2), the fixing frame (2) is fixedly connected with a liquid storage tank (3), the fixing frame (2) is fixedly connected with a hydraulic push rod (4) through a mounting frame, the telescopic end of the hydraulic push rod (4) is fixedly connected with a sealing shell (5), the liquid storage tank (3) is fixedly connected with and communicated with a buffer pipeline (6), the buffer pipeline (6) is formed by splicing three conical pipelines with different shapes and different sizes, the sealing shell (5) is fixedly connected with and communicated with a first pipeline (7), an air pressure sensor is arranged in the sealing shell (5), a first vacuum pump (8) is fixedly connected with the fixing frame (2), a baffle pipeline (9) is fixedly connected and communicated with the buffering pipeline (6), an electromagnetic valve (902) is fixedly connected with the baffle pipeline (9), a hollow rod (10) is slidably connected with the liquid storage tank (3) through the fixing frame, a first sliding rod (11) is slidably connected with the hollow rod (10), a first floating ball (12) is fixedly connected with the first sliding rod (11), the first floating ball (12) is positioned in the buffering pipeline (6), a second floating ball (13) is fixedly connected with the hollow rod (10), the second floating ball (13) is positioned in the liquid storage tank (3), the fixing frame (2) is fixedly connected with a second vacuum pump (14), the second vacuum pump (14) is fixedly connected and communicated with a second pipeline (15), a separating mechanism (16) used for communicating the hollow rod (10) with the first pipeline (7) is arranged in the second floating ball (13), the electrolyte flow is changed along with the gradual change of pressure through the gap between the first floating ball (12) and the buffer pipeline (6), the larger flow at the initial filling stage is reduced, and the smaller flow at the later filling stage is increased;
the separating mechanism (16) comprises a third pipeline (1601), the third pipeline (1601) is fixedly connected to the first pipeline (7), the third pipeline (1601) is fixedly connected with a sealing sleeve (1602), the third pipeline (1601) is fixedly connected and communicated with a fixed sleeve (1603), the fixed sleeve (1603) is fixedly connected and communicated with the hollow rod (10), a buoyancy plate (1604) is slidably connected between the fixed sleeve (1603) and the sealing sleeve (1602), the buoyancy plate (1604) is fixedly connected with a sealing ball (1605) through a mounting rod, and the sealing ball (1605) is in limit fit with the hollow rod (10);
still including positioning mechanism (17), positioning mechanism (17) are including slide plate (1701), slide plate (1701) sliding block is connected in seal housing (5), slide plate (1701) rotation is connected with swivel becket (1702), baffling pipeline (9) outside is provided with the arc spout, be provided with in swivel becket (1702) with the spacing complex lug of arc spout of baffling pipeline (9), swivel becket (1702) fixedly connected with circumference distribution dead lever (1703), dead lever (1703) rotation is connected with first dwang (1704), seal housing (5) sliding connection has second slide bar (1705) of circumference distribution, second slide bar (1705) fixedly connected with locating lever (1706), locating lever (1706) and adjacent first dwang (1704) rotation are connected, mount (2) are through mounting bracket fixedly connected with first electric putter (1707), seal housing (5) fixedly connected with spacing pole (1708), the flexible end of first electric putter (1707) is through mounting panel and baffling pipeline (9) fixedly connected.
2. The electrolyte filling device with an overflow preventing function for producing sodium ion batteries according to claim 1, wherein the electrolyte filling device is characterized in that: baffle plates (901) which are distributed in a circumferential staggered way are arranged in the baffle pipeline (9) and are used for buffering the flow speed of the electrolyte.
3. The electrolyte filling device with an overflow preventing function for producing sodium ion batteries according to claim 2, wherein the electrolyte filling device is characterized in that: the sealing ball (1605) is made of elastic materials, and the diameter of the sealing ball (1605) is slightly larger than the caliber of the hollow rod (10) so as to seal the hollow rod (10).
4. The electrolyte filling device with an overflow preventing function for producing sodium ion batteries according to claim 3, wherein the electrolyte filling device is characterized in that: the automatic feeding device is characterized by further comprising a fixing mechanism (18), wherein the fixing mechanism (18) comprises a second rotating rod (1801), the second rotating rod (1801) is fixedly connected to the conveying device (1), the second rotating rod (1801) is fixedly connected with a bottom shell (1802), the bottom shell (1802) is fixedly connected with a fixing ring (1803), the fixing ring (1803) is slidably connected with a limiting plate (1804), the limiting plate (1804) is in limiting fit with the limiting rod (1708), a spring (1805) is arranged between the limiting plate (1804) and the bottom shell (1802), the limiting plate (1804) is fixedly connected with a connecting plate (1806), the fixing ring (1803) is fixedly connected with a top plate (1807), the connecting plate (1806) is fixedly connected with sliding bead rods (1808) which are uniformly distributed in the circumferential direction, and the sliding bead rods (1808) are slidably connected with the top plate (1807).
5. The electrolyte filling device with an overflow preventing function for producing sodium ion batteries according to claim 4, wherein the electrolyte filling device is characterized in that: the connecting plate (1806) is elastic material, and the elasticity of the connecting plate (1806) to the sliding bead rod (1808) is greater than the gravity when the battery is not filled, and the elasticity of the connecting plate (1806) to the sliding bead rod (1808) is less than the gravity after the battery filling is accomplished, is used for fixing the battery.
6. The electrolyte filling device with an overflow preventing function for producing sodium ion batteries according to claim 5, wherein the electrolyte filling device is characterized in that: the automatic feeding device is characterized by further comprising an auxiliary feeding mechanism (19), wherein the auxiliary feeding mechanism (19) comprises a motor (1901), the motor (1901) is fixedly connected to the liquid storage tank (3) through a mounting frame, the liquid storage tank (3) is rotationally connected with a first rotating frame (1902), the motor (1901) drives the first rotating frame (1902) to rotate through a belt wheel and a belt, the first rotating frame (1902) is rotationally connected with third rotating rods (1906) which are uniformly distributed in the circumferential direction, the third rotating rods (1906) are fixedly connected with fan blades (1908), and the first rotating frame (1902) is provided with a turning assembly.
7. The electrolyte filling device with an overflow preventing function for producing sodium ion batteries according to claim 6, wherein the electrolyte filling device is characterized in that: the direction changing assembly comprises a second electric push rod (1903), the second electric push rod (1903) is fixedly connected to a liquid storage tank (3) through a mounting frame, a second rotating frame (1904) is fixedly connected to the telescopic end of the second electric push rod (1903), the second rotating frame (1904) is slidably connected with a first rotating frame (1902), racks (1905) which are uniformly distributed in the circumferential direction are fixedly connected to the second rotating frame (1904), a gear (1907) is fixedly connected to a third rotating rod (1906), and the racks (1905) are meshed with the gear (1907).
8. The filling method for filling electrolyte filling device with overflow preventing function for sodium ion battery production according to claim 7, characterized in that: the method specifically comprises the following steps:
s1, firstly, a user controls a cavity in a hollow rod (10) to carry out negative pressure extraction, a buffer pipeline (6) is sealed by a first floating ball (12) driven by air pressure in the hollow rod (10), then a sufficient amount of electrolyte is filled in a liquid storage tank (3), and then a conveying device (1) is started by a control panel (101) to drive a battery to move;
s2: when the battery reaches a filling position under the drive of the conveying device (1), a user controls the hydraulic push rod (4) and the first electric push rod (1707) to move downwards synchronously through the control panel (101), when the positioning rod (1706) moves into a cavity for filling electrolyte into the battery, the hydraulic push rod (4) stops moving, the user controls the first electric push rod (1707) to move the baffling pipeline (9) downwards to position the battery, and after the positioning is finished, the user continuously drives the sealing shell (5) to move downwards and seal the battery cavity through controlling the hydraulic push rod (4);
s3: in the early stage of filling, a user starts a motor (1901) to drive a fan blade (1908) to rotate, electrolyte is uniformly mixed, and in the later stage of filling, the user controls a second electric push rod (1903) to drive the fan blade (1908) to change the angle, so that the movement state of the electrolyte is changed;
s4: after the sealing of the sealing shell (5) and the battery is finished, a user starts a first vacuum pump (8) to carry out negative pressure extraction on a cavity between the sealing shell (5) and the battery and a third pipeline (1601), then the user opens a solenoid valve (902) through a control panel (101), electrolyte in a liquid storage tank (3) presses down the first floating ball (12) because of pressure difference, the electrolyte enters a baffling pipeline (9) after passing through a gap between the first floating ball (12) and the buffering pipeline (6), the flow is adjusted, the electrolyte enters the battery cavity after buffering through the baffling pipeline (9) and continuously fills, in the process of immersing the second floating ball (13) in the electrolyte, the electrolyte enters the cavity through a hole arranged on the second floating ball (13), a buoyancy plate (1604) drives the sealing ball (1605) to move upwards because of buoyancy, the hollow rod (10) and the first sliding rod (11) slide relatively, when a pressure sensor in the sealing shell (5) detects that the sealing shell (5) and the battery cavity are in a preset air pressure value, the second floating ball (14) is closed, the hollow rod (10) is closed again, the hollow rod (10) is closed, the hollow rod (12) is closed at the same time, after the filling is completed, the first electric push rod (1707) is started to drive the baffle pipeline (9) to move upwards and simultaneously retract the positioning rod (1706) to cancel the positioning of the battery, the hydraulic push rod (4) is started to lift the sealed shell (5), the sliding ball rod (1808) around the battery moves upwards to fix the battery, and the conveying device (1) is started to convey the filled battery backwards to carry out the next step.
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| CN117559093B (en) * | 2024-01-10 | 2024-03-12 | 山西工程技术学院 | Electrolyte filling equipment |
| CN118231978B (en) * | 2024-05-21 | 2024-09-03 | 天星先进材料科技(苏州)有限公司 | Full-automatic filling equipment of accurate electrolyte of butt joint |
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