WO2024017056A1 - Système d'injection d'électrolyte - Google Patents

Système d'injection d'électrolyte Download PDF

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Publication number
WO2024017056A1
WO2024017056A1 PCT/CN2023/105725 CN2023105725W WO2024017056A1 WO 2024017056 A1 WO2024017056 A1 WO 2024017056A1 CN 2023105725 W CN2023105725 W CN 2023105725W WO 2024017056 A1 WO2024017056 A1 WO 2024017056A1
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WO
WIPO (PCT)
Prior art keywords
liquid injection
positioning
liquid
component
injection device
Prior art date
Application number
PCT/CN2023/105725
Other languages
English (en)
Chinese (zh)
Inventor
李鹏
欧阳常岳
肖江连
隋意
Original Assignee
无锡先导智能装备股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 无锡先导智能装备股份有限公司 filed Critical 无锡先导智能装备股份有限公司
Publication of WO2024017056A1 publication Critical patent/WO2024017056A1/fr

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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
    • 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

Definitions

  • the present invention relates to the technical field of battery injection, and in particular to a liquid injection system.
  • lithium battery filling machines often use turntable filling machines.
  • a circle of filling devices is arranged around the turntable.
  • the batteries to be filled are placed in multiple filling fixtures.
  • the filling fixtures and filling devices are set separately.
  • injecting liquid usually the electrolyte is first poured into the liquid injection cup in the liquid injection device, and then the liquid injection fixture is placed under the liquid injection cup, and the liquid injection cup is used to inject liquid into the battery.
  • the liquid injection nozzle in the liquid injection device and the battery in the liquid injection fixture are not aligned, resulting in electrolyte leakage during the liquid injection process.
  • a liquid injection system including:
  • Liquid injection fixture the liquid injection fixture is used to clamp the workpiece
  • a liquid injection device is disposed on the fixed component reciprocally along a first direction to approach and move away from the liquid injection fixture, and the liquid injection device can adjust its position along a second direction perpendicular to the first direction. , the liquid injection device can pass through the liquid injection position while moving along the second direction;
  • a first positioning component configured to be able to be docked and separated from the fixing component and the liquid injection device
  • liquid injection device when the liquid injection device is located at the liquid injection position and the liquid injection clamp is connected to the fixed component, the liquid injection device and the workpiece are aligned in the first direction;
  • the first positioning component When the first positioning component is docked with the fixing component and the liquid injection device, the first positioning component positions the liquid injection device at the liquid injection position;
  • the liquid injection clamp can be connected to the fixing component.
  • the first positioning assembly is docked with the fixed assembly and the liquid injection device to adjust the liquid injection device to the liquid injection position, and then the liquid injection clamp is connected At this time, the liquid injection device and the battery on the liquid injection fixture are aligned in the first direction, thereby ensuring that the liquid injection device can accurately inject liquid into the battery and avoiding electrolyte leakage during the liquid injection process.
  • the liquid injection system further includes a first positioning member and a second positioning member.
  • the first positioning member is provided on the liquid injection device, and the second positioning member is provided on the fixing component. ;
  • the first positioning component has a first positioning hole and a second positioning hole, and when the first positioning component is docked with the liquid injection device and the fixing component, the first positioning member and the first The positioning holes are docked, and the second positioning member is docked with the second positioning holes to position the liquid injection device at the liquid injection position;
  • the liquid injection clamp has a clamp positioning hole.
  • the second positioning member When the liquid injection clamp is connected to the fixed component, the second positioning member butts with the clamp positioning hole to position the liquid injection clamp.
  • the liquid injection system includes at least two first positioning parts and at least two second positioning parts, and the first positioning component has at least two first positioning holes and at least two said second positioning holes, said liquid injection clamp having at least two said clamp positioning holes;
  • each of the first positioning parts is docked with a corresponding first positioning hole, and each of the second positioning parts is connected with a corresponding first positioning hole.
  • the corresponding second positioning hole is docked;
  • each second positioning member When the liquid injection clamp is connected to the fixing component, each second positioning member butts with a corresponding positioning hole of the clamp.
  • the liquid injection system also has a liquid supply station
  • the liquid injection system further includes a base and a liquid supply device
  • the turntable is rotatable around a rotation axis parallel to the first direction.
  • the base is located at the liquid supply station and is used for injecting liquid into the liquid injection device located at the liquid supply station.
  • the liquid injection system includes a mounting plate, the mounting plate is reciprocally movably connected to the fixing component along a first direction, the liquid injection device is disposed on the mounting plate, and the The liquid injection device can adjust its position along the first direction and the second direction, and the liquid injection device can pass through the liquid supply position while moving along the first direction;
  • the liquid supply device can inject liquid into the liquid injection device.
  • the liquid injection system further includes a second positioning component, the second positioning component is configured to be docked with the liquid injection device and the base, and is configured to be connected with the liquid injection device.
  • the liquid injection device When docking with the base, the liquid injection device is positioned at the liquid supply position.
  • the liquid injection system further includes a third positioning member, the third positioning member is disposed on the base;
  • the second positioning component has a third positioning hole and a fourth positioning hole.
  • the second positioning component When the second positioning component is docked with the liquid injection device and the base, the first positioning member and the third positioning member The third positioning member is connected with the fourth positioning hole to position the liquid injection device at the liquid supply position.
  • the liquid injection system includes at least two first positioning parts and at least two third positioning parts, and the second positioning component has at least two third positioning holes and at least two fourth positioning holes;
  • each of the first positioning parts is connected with a corresponding third positioning hole
  • each of the third positioning parts is connected with a corresponding third positioning hole.
  • the corresponding fourth positioning hole is docked.
  • the liquid injection system also has a residual liquid collection station, and the liquid injection device can pass through the liquid supply station and the residual liquid collection station during the rotation of the turntable,
  • the liquid injection system also includes a residual liquid collection device.
  • the residual liquid collection device is provided on the base and located at the residual liquid collection station, and is used to collect the injection liquid located at the residual liquid collection station. The remaining liquid in the liquid device.
  • the liquid injection system further includes a base and a calibration component, the turntable is rotatably disposed on the base around a rotation axis parallel to the first direction, and the turntable rotates During the process, the initial position can be passed, and the calibration component is set on the base;
  • the turntable can be docked with the calibration component during rotation, and when the turntable is docked with the calibration component, the turntable is in the initial position.
  • the calibration component includes a calibration connection plate and a calibration piece.
  • the calibration connection plate is disposed on the base.
  • the calibration piece is disposed on the calibration connection plate.
  • the turntable faces the base.
  • a docking piece is also provided on one side of the seat, and the docking piece has a docking hole;
  • the calibration component can be docked with the docking hole, and when the calibration component is docked with the docking hole, the turntable is in the initial position.
  • Figure 1 is a schematic structural diagram of a liquid injection system provided by an embodiment of the present invention.
  • FIG. 2 is a right structural schematic diagram of the liquid injection system shown in Figure 1;
  • FIG 3 is a schematic structural diagram of the fixing component and the second positioning member in the liquid injection system shown in Figure 1;
  • Figure 4 is a schematic right structural view of the fixing component and the second positioning member shown in Figure 3;
  • Figure 5 is a structural schematic diagram of the application of the first positioning component in the liquid injection system shown in Figure 1;
  • Figure 6 is a right structural schematic diagram of the application of the first positioning component shown in Figure 5;
  • Figure 7 is a schematic structural diagram of the first positioning component shown in Figure 5;
  • Figure 8 is a right structural schematic diagram of the first positioning component shown in Figure 7;
  • Figure 9 is a schematic top structural view of the first positioning component shown in Figure 7;
  • Figure 10 is a schematic structural diagram of a liquid injection system provided by another embodiment of the present invention.
  • Figure 11 is a schematic structural diagram of the application of the second positioning component provided by yet another embodiment of the present invention.
  • Figure 12 is a schematic structural diagram of the second positioning component shown in Figure 11;
  • Figure 13 is a right structural schematic diagram of the second positioning component shown in Figure 12;
  • Figure 14 is a schematic structural diagram of a calibration component and a docking component provided by another embodiment of the present invention.
  • Figure 15 is a right structural schematic diagram of the calibration component and the docking member shown in Figure 14;
  • Figure 16 is a schematic top structural view of the calibration component and the docking piece shown in Figure 14;
  • Fig. 17 is a schematic structural diagram of the docking member shown in Fig. 14.
  • first and second are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as “first” and “second” may explicitly or implicitly include at least one of these features.
  • “plurality” means at least two, such as two, three, etc., unless otherwise expressly and specifically limited.
  • connection In the present invention, unless otherwise clearly stated and limited, the terms “installation”, “connection”, “connection”, “fixing” and other terms should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. , or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements or an interactive relationship between two elements, unless otherwise specified limitations. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
  • a first feature being “on” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. touch.
  • the terms “above”, “above” and “above” the first feature is above the second feature may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is higher in level than the second feature.
  • "Below”, “below” and “beneath” the first feature to the second feature may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature has a smaller horizontal height than the second feature.
  • a liquid injection system provided by an embodiment of the present invention includes a base (not shown), a turntable 11 , a fixing component 12 , a liquid injection clamp 13 and a liquid injection device 20 .
  • the turntable 11 is rotatably disposed on the base around the rotation axis.
  • the fixed component 12 is disposed on the turntable 11 to rotate with the turntable 11.
  • the liquid injection fixture 13 and the liquid injection device 20 are both disposed on the fixed component 12, and the liquid injection fixture 13 is connected to the fixed assembly 12.
  • the assembly 12 is detachably connected, the liquid injection fixture 13 is used to clamp the workpiece, the liquid injection device 20 is disposed on the fixed assembly 12 reciprocally along the first direction to approach and stay away from the liquid injection fixture 13, and the liquid injection device 20 is In the process of approaching the liquid injection fixture 13, the workpiece on the liquid injection fixture 13 can be approached to inject liquid into the workpiece.
  • the first direction is the up-down direction in FIG. 1
  • the workpiece is a battery
  • the liquid injection device 20 is used to inject electrolyte into the battery.
  • the workpiece can also be other products, and the corresponding liquid injection device 20 is used to inject other media into the product.
  • the liquid injection device 20 includes an upper cover assembly 21, a liquid injection cup assembly 22, and a lower cover assembly 23.
  • the liquid injection cup assembly 22 is reciprocally disposed on the fixed component 12 along the first direction, and the upper cover assembly 21
  • the lower cover assembly 23 and the lower cover assembly 23 are respectively connected to the opposite ends of the filling cup assembly 22 along the first direction.
  • the filling cup assembly 22 includes a plurality of filling cups
  • the lower cover assembly 23 includes a plurality of filling nozzles, and a plurality of batteries are clamped on the corresponding filling fixture 13, and each filling nozzle is connected to a corresponding filling cup.
  • a liquid injection cup is connected. When the liquid injection cup assembly 22 moves toward the liquid injection fixture 13, the liquid injection nozzle will be close to multiple batteries on the liquid injection fixture 13, and each liquid injection nozzle injects into a corresponding battery. Electrolyte.
  • the liquid injection device 20 can adjust its position along a second direction perpendicular to the first direction, and the liquid injection device 20 can pass through the liquid injection position while moving along the second direction.
  • the liquid injection device 20 When the liquid injection device 20 is in the liquid injection position and the liquid injection fixture 13 is connected to the fixed component 12, the liquid injection device 20 is aligned with the workpiece in the first direction, thereby ensuring that the liquid injection device 20 can accurately inject liquid into the workpiece. Avoid leaks.
  • the second direction is the left-right direction in FIG. 1 .
  • the multiple liquid injection nozzles in the lower cover assembly 23 and the multiple batteries in the liquid injection clamp 13 are in the first position. aligned in the direction, from This can avoid electrolyte leakage during the injection process.
  • liquid injection clamp 13 is detachably connected to the fixed assembly 12, and when the liquid injection clamp 13 is connected to the fixed assembly 12, the position of the liquid injection clamp 13 is fixed, so it is only necessary to adjust the liquid injection device 20 to the liquid injection position. , to ensure that the plurality of liquid injection nozzles and the plurality of batteries in the liquid injection clamp 13 are aligned in the first direction.
  • the fixed component 12 includes a bottom plate 14 and a vertical plate 15.
  • the bottom plate 14 is fixedly connected to the turntable 11.
  • the vertical plate 15 is fixedly connected to the bottom plate 14 and is perpendicular to the bottom plate 14.
  • Liquid injection The clamp 13 is detachably connected to the bottom plate 14, and the liquid injection device 20 is disposed on the vertical plate 15 so as to be reciprocally movable along the first direction.
  • the liquid injection system also includes a mounting plate 16.
  • the mounting plate 16 is reciprocally movably connected to the fixed component 12 along the first direction, and is specifically connected to the vertical plate 15.
  • the liquid injection device 20 is provided On the mounting plate 16, the position of the liquid injection device 20 can be adjusted along the second direction.
  • the liquid injection system also includes a driving assembly 17.
  • the driving assembly 17 is disposed on the fixed assembly 12 and is drivingly connected with the mounting plate 16 to drive the mounting plate 16 to reciprocate along the first direction, thereby driving the liquid injection device 20 along the first direction. direction toward and away from the liquid injection fixture 13.
  • the liquid injection system further includes a first positioning component 30 , and the first positioning component 30 is configured to be able to be docked and separated from the fixing component 12 and the liquid injection device 20 .
  • the first positioning component 30 When the first positioning component 30 is docked with the fixing component 12 and the liquid injection device 20, the first positioning component 30 positions the liquid injection device 20 at the liquid injection position; when the first positioning component 30 is separated from the fixing component 12 and the liquid injection device 20 At this time, the liquid injection clamp 13 can be connected to the fixing component 12 .
  • the position where the first positioning component 30 is connected to the fixed component 12 is the same as the position where the liquid injection clamp 13 is connected to the fixed component 12. Therefore, when the first positioning component 30 is separated from the fixed component 12 and the liquid injection device 20, it can be The position of the fixing component 12 is avoided, so that the liquid injection clamp 13 can be connected to the fixing component 12 .
  • the liquid injection clamp 13 is detachably connected to the fixed component 12, and the connection position is fixed. Therefore, when adjusting the position of the liquid injection device 20, it can be adjusted based on the fixed component 12.
  • the first The positioning component 30 is docked with the fixing component 12 and the liquid injection device 20 to position the liquid injection device 20 at the liquid injection position.
  • the first positioning component 30 is docked with the fixed component 12 and the liquid injection device 20 to adjust the liquid injection device 20 to the liquid injection position, Then the liquid injection fixture 13 is connected to the fixed component 12. At this time, the liquid injection device 20 and the battery on the liquid injection fixture 13 are aligned in the first direction, thereby ensuring that the liquid injection device 20 can accurately inject liquid into the battery and avoiding liquid injection. The electrolyte leaked during the process.
  • the liquid injection device 20 can be fixed relative to the fixed component 12, so that when the liquid injection device 20 subsequently injects liquid into the battery, the liquid injection device 20 Align the filling nozzle in with the battery.
  • the liquid injection system also includes a first positioning member 41 and a second positioning member 42.
  • the first positioning member 41 is provided on the liquid injection device 20, and the second positioning member 42 is disposed on the liquid injection device 20.
  • 42 is provided on the fixing component 12, and when the first positioning component 30 is docked with the liquid injection device 20 and the fixing component 12, the first positioning component 30 is docked with the first positioning member 41 and the second positioning member 42 respectively.
  • the first positioning component 30 has a first positioning hole 31 and a second positioning hole 32 .
  • the first positioning component 30 is connected to the liquid injection device 20 and the fixing component 12 .
  • a positioning member 41 is connected with the first positioning hole 31
  • a second positioning member 42 is connected with the second positioning hole 32 to position the liquid injection device 20 at the liquid injection position.
  • the first positioning member 41 and the second positioning member 42 are both pins, and the first positioning member 41 is provided on the liquid injection cup assembly 22, and the second positioning member 42 is provided on the bottom plate 14, and the pins cooperate with the positioning holes. The positioning of the liquid injection device 20 relative to the fixed component 12 is achieved.
  • positioning is achieved through the cooperation of pins and positioning holes, and the pins and positioning holes can be interchanged.
  • a positioning hole is provided on the liquid injection device 20, and the positioning hole is provided in the first positioning hole.
  • the assembly 30 uses pins to connect with the positioning holes on the liquid injection device 20 .
  • the liquid injection clamp 13 has a clamping positioning hole.
  • the second positioning member 42 butts with the clamp positioning hole to position the liquid injection clamp 13, so that during injection
  • the liquid injection device 20 is located in the liquid injection position, and when the liquid injection clamp 13 is connected to the fixing assembly 12 , the liquid injection nozzle in the liquid injection device 20 can be aligned with the battery in the liquid injection clamp 13 .
  • the liquid injection system includes at least two first positioning parts 41 and at least two second positioning parts 42, and the first positioning component 30 has at least two first positioning holes 31 and at least two second positioning holes. 32, and when the first positioning component 30 is connected with the liquid injection device 20 and the fixing component 12, each first positioning member 41 is connected with a corresponding first positioning hole 31, and each second positioning member 42 is connected with a corresponding one.
  • the second positioning holes 32 are in contact with each other. In this way, positioning accuracy can be further ensured.
  • the liquid injection clamp 13 has at least two clamp positioning holes, and when the liquid injection clamp 13 is connected to the fixing assembly 12, each second positioning member 42 is docked with a corresponding clamp positioning hole to improve the accuracy of the liquid injection clamp. 13 Positioning accuracy.
  • two first positioning parts 41 are spaced apart from each other in the filling cup assembly 22 along the second direction, and two second positioning parts 42 are spaced apart from the bottom plate 14 along the second direction.
  • the first positioning component 30 includes a first upper plate 33, a first column 34 and a first lower plate 35.
  • the first column 34 is connected between the first upper plate 33 and the first lower plate 35.
  • An upper plate 33 is provided with a first positioning hole 31
  • a first lower plate 35 is provided with a second positioning hole 32 .
  • the first upper plate 33 and the first lower plate 35 are perpendicular to each other, and at least two first positioning holes 31 on the first upper plate 33 are arranged at intervals along the second direction, and at least two first positioning holes 31 on the first lower plate 35 are arranged at intervals along the second direction.
  • the two second positioning holes 32 are spaced apart along the second direction.
  • the liquid injection system also has a liquid supply station.
  • the turntable 11 is rotatably disposed on the base around a rotation axis parallel to the first direction, and the liquid injection device 20 rotates with the turntable 11. You can pass through the liquid supply station during the process.
  • the liquid injection system also includes a liquid supply device 50 , which is disposed on the base and located at the liquid supply station, and is used for injecting liquid into the liquid injection device 20 located at the liquid supply station.
  • the liquid supply device 50 has a liquid injection needle.
  • the liquid injection needle in the liquid supply device 50 is used to inject the liquid injection cup assembly 22 through the upper cover assembly 21 Inject electrolyte into it.
  • the position of the liquid injection device 20 is also adjustable along the first direction, and the liquid injection device 20 can pass through the liquid supply position while moving along the first direction.
  • the liquid supply device 50 can inject liquid into the liquid injection device 20 .
  • the driving assembly 17 drives the mounting plate 16 to move in a fixed stroke.
  • the mounting plate 16 moves in the up and down direction under the action of the driving assembly 17.
  • the mounting plate 16 has the highest position and the lowest position. , assuming that the liquid injection device 20 moves to the liquid supply station and the mounting plate 16 is at the highest position, the liquid supply device 50 supplies liquid to the liquid injection device 20 .
  • the liquid injection device 20 and the liquid supply device 50 are not aligned in the first direction, that is, the liquid injection needle in the liquid supply device 50 cannot be accurately docked with the upper cover assembly 21, causing the liquid supply device 50 to move toward the liquid injection cup assembly.
  • the liquid injection device 20 and the liquid supply device 50 are aligned in the first direction, thereby ensuring that the liquid injection needle and the upper cover assembly 21 are accurately docked.
  • the liquid injection device 20 is positioned by the first positioning component 30 in the second direction, so the liquid injection device 20 is also positioned at the liquid injection position. location, from And ensure that the injection needle and the upper cover assembly 21 are accurately connected.
  • the liquid injection system further includes a second positioning component 60 .
  • the second positioning component 60 is configured to be capable of docking with the liquid injection device 20 and the base. When the base is docked, the liquid injection device 20 is positioned at the liquid supply position.
  • the liquid supply device 50 is arranged on the base, that is, the position of the liquid supply device 50 relative to the base is fixed. Therefore, using the base as a reference, and then adjusting the position of the liquid injection device 20 along the first direction, it can be achieved Adjust the position of the liquid injection device 20 relative to the liquid supply device 50 along the first direction.
  • the liquid injection system also includes a third positioning member.
  • the third positioning member is provided on the base.
  • the second positioning component 60 has a third positioning hole 61 and a fourth positioning hole.
  • the first positioning member 41 is connected with the third positioning hole 61 and the fourth positioning hole of the third positioning member is connected to position the liquid injection device 20 at the liquid supply Location.
  • the third positioning member is a pin, and the third positioning member is arranged on the base.
  • the liquid injection system includes at least two third positioning members, and the second positioning component 60 has two third positioning holes 61 and at least two fourth positioning holes.
  • each first positioning member 41 is connected with a corresponding third positioning hole 61
  • each third positioning member is connected with a corresponding fourth positioning hole. , which can also further ensure positioning accuracy.
  • the second positioning component 60 includes a second upper plate 62, a second upright 63 and a second lower plate 64.
  • the second upright 63 is connected between the second upper plate 62 and the second lower plate 64.
  • the second upper plate 62 is provided with a third positioning hole 61
  • the second lower plate 64 is provided with a fourth positioning hole.
  • the second upper plate 62 and the second lower plate 64 are perpendicular to each other.
  • the liquid injection system also has a residual liquid collection station.
  • the liquid injection device 20 can pass through the liquid supply station and the residual liquid collection station while rotating with the turntable 11 .
  • the liquid injection system also includes a residual liquid collection device 70 , which is disposed on the base and located at the residual liquid collection station, and is used to collect residual liquid from the liquid injection device 20 located at the residual liquid collection station.
  • both the liquid supply device 50 and the residual liquid collection device 70 are fixed relative to the base. Therefore, after positioning the liquid injection device 20 through the second positioning component 60, it can be ensured that the liquid injection device 20 is aligned with the liquid injection device 20 in the first direction.
  • the liquid supply device 50 can also ensure that the liquid injection device 20 corresponds to the residual liquid collection device 70 in the first direction.
  • the liquid injection system also includes a calibration component 80, a turntable 11 During the rotation process, the turntable 11 can pass through the initial position. During the rotation process, the turntable 11 can be docked with the calibration component 80 . When the turntable 11 is docked with the calibration component 80 , the turntable 11 is in the initial position.
  • the liquid injection device 20 can pass through the liquid supply station and the residual liquid collection station in sequence.
  • the initial position of the turntable 11 is determined through the calibration component 80, and the positions of the liquid supply station and the residual liquid collection station are determined, so that the rotation of the turntable 11 can be determined based on the positions of the liquid supply station and the residual liquid collection station. angle to ensure that the liquid injection device 20 can accurately rotate to the liquid supply position and the residual liquid collection position.
  • the calibration component 80 includes a calibration connection plate 81 and a calibration component 82 .
  • the calibration connection plate 81 is disposed on the base.
  • the calibration component 82 is disposed on the calibration connection plate 81 .
  • the turntable 11 faces the base.
  • a docking part 18 is provided on one side of the seat, and the docking part 18 has a docking hole 181 .
  • the calibration component 82 can be docked with the docking hole 181, and when the calibration component 82 is docked with the docking hole 181, the turntable 11 is in the initial position.
  • the calibration component 80 further includes a calibration plate 83 , the calibration plate 83 is connected to the calibration connection plate 81 , and the calibration component 82 is connected to the calibration plate 83 .
  • the calibration member 82 is a pin.
  • the calibration plate 83 is detachably connected to the calibration connecting plate 81 to avoid hindering the rotation of the turntable 11 .
  • the docking member 18 can also be detachably connected to the turntable 11, which is not limited here.
  • the liquid injection system includes a plurality of fixed components 12, a plurality of liquid injection devices 20 and a plurality of liquid injection clamps 13.
  • the plurality of fixed components 12 are evenly spaced on the turntable 11 along the circumferential direction of the turntable 11, and each A liquid injection device 20 and each liquid injection clamp 13 are provided on a corresponding fixed component 12 .
  • each liquid injection device 20 needs to be positioned at the liquid injection position and the liquid supply position through the first positioning component 30 and the second positioning component 60 .
  • the liquid injection fixture 13 is separated from the fixed component 12, and the turntable 11 is rotated until the calibration component 82 is docked with the docking hole 181 on the docking component 18 to determine the initial position of the turntable 11.
  • the first positioning component 30 is connected with the liquid injection device 20 and the fixing component 12, that is, each first positioning hole 31 in the first positioning component 30 is connected with a first positioning member 41 on the liquid injection cup assembly 22.
  • Each second positioning hole 32 butts with a second positioning member 42 on the fixing component 12, thereby positioning the liquid injection device 20 at the liquid injection position.
  • the liquid injection device 20 After the liquid injection device 20 is positioned on the liquid injection device 20 , the liquid injection device 20 is fixed in the second direction, and then the second positioning component 60 is removed, and the liquid injection clamp 13 is connected to the fixing component 12 , and the liquid injection clamp 13 Each clamp positioning hole is connected with a second positioning member 42 to complete the alignment of the liquid injection device 20 and the battery on the liquid injection clamp 13 .
  • each third positioning hole 61 in the second positioning component 60 is connected with a first positioning member 41 on the liquid injection cup assembly 22, and Each fourth positioning hole butts with a third positioning member on the base, thereby positioning the liquid injection device 20 in the liquid supply position.
  • the liquid injection device 20 After the liquid injection device 20 is positioned on the liquid supply device 50, just fix the mounting plate 16 of the liquid injection device 20. At this time, the alignment of the liquid injection device 20 with respect to the liquid supply device 50 and the residual liquid collection device 70 has been completed. The second positioning After the assembly 60 is removed, the liquid supply device 50 , the liquid injection device 20 and the residual liquid collection device 70 can perform subsequent operations.
  • first positioning component 30, the second positioning component 60 and the calibration component 80 are used before the liquid injection device 20 performs liquid injection, that is, the position of the liquid injection device 20 is adjusted before the liquid injection device 20 works. Ensure the accuracy of subsequent injections.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Filling, Topping-Up Batteries (AREA)

Abstract

La présente invention concerne un système d'injection d'électrolyte, comprenant un ensemble de fixation, une pince d'injection d'électrolyte, un dispositif d'injection d'électrolyte et un premier ensemble de positionnement. Le dispositif d'injection d'électrolyte est relié de façon amovible à l'ensemble de fixation ; le dispositif d'injection d'électrolyte est disposé de manière mobile sur l'ensemble de fixation dans un mode de va-et-vient le long d'une première direction de façon à se rapprocher ou s'éloigner de la pince d'injection d'électrolyte ; la position du dispositif d'injection d'électrolyte peut être ajustée dans une seconde direction ; le dispositif d'injection d'électrolyte peut passer à travers une position d'injection d'électrolyte dans le processus de déplacement dans la seconde direction ; le premier ensemble de positionnement est utilisé pour positionner le dispositif d'injection d'électrolyte à la position d'injection d'électrolyte. En disposant le système d'injection d'électrolyte, avant que la pince d'injection d'électrolyte ne sont reliée à l'ensemble de fixation, le premier ensemble de positionnement est relié à l'ensemble de fixation et au dispositif d'injection d'électrolyte de façon à positionner le dispositif d'injection d'électrolyte dans la position d'injection d'électrolyte ; puis la pince d'injection d'électrolyte est reliée à l'ensemble de fixation, et à ce moment, le dispositif d'injection d'électrolyte est aligné avec une batterie sur la pince d'injection d'électrolyte dans la première direction, de telle sorte qu'il est garanti que le dispositif d'injection d'électrolyte peut injecter avec précision un électrolyte dans la batterie, et une fuite de l'électrolyte est évitée dans le processus d'injection d'électrolyte.
PCT/CN2023/105725 2022-07-21 2023-07-04 Système d'injection d'électrolyte WO2024017056A1 (fr)

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CN218334243U (zh) * 2022-07-21 2023-01-17 无锡先导智能装备股份有限公司 注液系统

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JPH0950801A (ja) * 1995-08-08 1997-02-18 Fuji Photo Film Co Ltd 電池の電解液供給方法および装置
KR20170062401A (ko) * 2015-11-27 2017-06-07 (주)이티에스 이차전지 제조장비의 전해액 주입장치
CN107195853A (zh) * 2017-06-30 2017-09-22 深圳市誉辰自动化设备有限公司 电解液自动注液设备
CN218334243U (zh) * 2022-07-21 2023-01-17 无锡先导智能装备股份有限公司 注液系统

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0950801A (ja) * 1995-08-08 1997-02-18 Fuji Photo Film Co Ltd 電池の電解液供給方法および装置
KR20170062401A (ko) * 2015-11-27 2017-06-07 (주)이티에스 이차전지 제조장비의 전해액 주입장치
CN107195853A (zh) * 2017-06-30 2017-09-22 深圳市誉辰自动化设备有限公司 电解液自动注液设备
CN218334243U (zh) * 2022-07-21 2023-01-17 无锡先导智能装备股份有限公司 注液系统

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