CN117559093B - Electrolyte filling equipment - Google Patents

Electrolyte filling equipment Download PDF

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Publication number
CN117559093B
CN117559093B CN202410034441.7A CN202410034441A CN117559093B CN 117559093 B CN117559093 B CN 117559093B CN 202410034441 A CN202410034441 A CN 202410034441A CN 117559093 B CN117559093 B CN 117559093B
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bin
liquid
filling
fixedly connected
groove
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CN202410034441.7A
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CN117559093A (en
Inventor
刘阿鹏
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Shanxi Institute of Technology
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Shanxi Institute of Technology
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/60Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
    • H01M50/609Arrangements or processes for filling with liquid, e.g. electrolytes

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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

The invention belongs to the technical field of battery production and processing, in particular to electrolyte filling equipment, which comprises a base; the base is fixedly connected with a support column; the upper surface of the base is rotatably connected with a workbench; the support column is positioned at the circle center of the workbench and is rotationally connected with the workbench; the workbench is provided with uniformly arranged placing grooves; a placement bin is placed in each placement groove; the top of the support column is rotationally connected with an annular bin; a circular liquid bin is slidably arranged in the middle of the annular bin; an isolation bin is arranged in the circular liquid bin; a liquid pump is arranged in the isolation bin; the liquid pump faces one side of the first bin body, and a first liquid hole is formed in the inner wall of the circular liquid bin; the liquid outlet pipe of the liquid pump extends into the first liquid hole; a filling mechanism is arranged above each placing bin in the annular bin; the invention is mainly used for solving the problem that the electrolyte drops are hung on the wall in the liquid injection pipe after the electrolyte passes through the liquid injection pipe.

Description

Electrolyte filling equipment
Technical Field
The invention belongs to the technical field of battery production and processing, and particularly relates to electrolyte filling equipment.
Background
The battery electrolyte is the carrier for ion transport in the battery. Generally consisting of a lithium salt and an organic solvent. The electrolyte plays a role in conducting ions between the positive electrode and the negative electrode of the lithium battery, and ensures that the lithium battery has the advantages of high voltage, high specific energy and the like. The electrolyte is generally prepared from high-purity organic solvent, electrolyte lithium salt, necessary additives and other raw materials according to a certain proportion under a certain condition;
the injection liquid is used as a key ring in the lithium battery production process, the electrochemical performance and safety of the battery are directly affected by the injection liquid amount of the electrolyte, and in the current technology, the injection liquid amount can be accurately controlled when the battery is injected, so that the amount of the electrolyte in the battery is ensured;
however, when the battery is filled with electrolyte, the electrolyte can enter the battery through the liquid filling pipe, and after the electrolyte passes through the liquid filling pipe, the situation that the electrolyte drops are hung on the wall can appear in the liquid filling pipe, so that the situation that the precision of the liquid filling amount is not high is caused.
Disclosure of Invention
In order to overcome the defects in the prior art and solve the technical problems, the invention provides electrolyte filling equipment.
Comprises a base; the base is fixedly connected with a support column; the upper surface of the base is rotatably connected with a workbench which is disc-shaped; the support column is positioned at the circle center of the workbench and is rotationally connected with the workbench;
the workbench is provided with uniformly arranged placing grooves; a placing bin is arranged in each placing groove, and the placing bins are respectively a first bin body, a second bin body, a third bin body and a fourth bin body;
each placing bin is used for placing a battery filled with electrolyte; a hydraulic rod is arranged in the workbench below the placement bin, and the extension end of the hydraulic rod is fixedly connected with the placement bin;
gear teeth which are uniformly arranged are fixedly connected to the surface of the outer ring of the workbench below the placement bin; the base is rotationally connected with a gear which is meshed with the gear teeth; the gear is driven by a motor, and the motor is arranged in the base;
the top of the support column is rotationally connected with an annular bin; the bottom surface of the annular bin is fixedly connected with a connecting column, and the other end of the connecting column is fixedly connected with the workbench; a circular liquid bin is slidably arranged in the middle of the annular bin and is used for storing electrolyte; the round liquid bin is fixedly connected with the top of the support column;
an isolation bin is arranged in the circular liquid bin; a liquid pump is arranged in the isolation bin; the liquid inlet pipe of the liquid pump extends out of the isolation bin; the liquid pump faces one side of the first bin body, and a first liquid hole is formed in the inner wall of the circular liquid bin; the liquid outlet pipe of the liquid pump extends into the first liquid hole;
a filling mechanism is arranged above each placing bin in the annular bin; the filling mechanism comprises a filling assembly and a driving assembly; the filling assembly is used for filling electrolyte into the battery; the drive assembly is used to power the filling assembly.
Preferably, the filling assembly comprises a filling block; a filling block is arranged between the circular liquid bin and the annular bin above each placing bin; the filling block is an arc-shaped block and is tightly attached to the surface of the outer ring of the circular liquid bin and the surface of the inner ring of the annular bin;
the filling block is fixedly connected to the annular bin; a cylindrical groove is formed in the inner wall of the filling block, and penetrates through the top of the filling block and does not penetrate through the bottom of the filling block; the bottom of each cylindrical tank is provided with a second liquid hole in the inner wall of the filling block, and a one-way valve is arranged in the second liquid hole; the second liquid hole is arranged on the filling block above the first bin body and is tightly attached to the first liquid hole in the initial state;
a through groove is formed in the center of the bottom of the cylindrical tank, and penetrates through the filling block; the lower surface of the filling block below the through groove is fixedly connected with a filling pipe, and the filling block penetrates through the annular bin to extend to the position above the liquid inlet of the battery; the inner diameter of the filling pipe is the same as the inner diameter of the through groove; the outer diameter of the filling pipe is the same as the inner diameter of the liquid inlet;
the first piston plate is connected in the cylindrical groove in a sliding way, and the first piston plate is tightly attached to the cylindrical groove; the upper surface of the first piston plate is fixedly connected with a long cylinder, and the long cylinder extends to the upper part of the filling block; the top of the cylindrical groove is fixedly connected with a baffle, and the long cylinder penetrates through the baffle and is in sliding connection with the baffle; the two sides of the baffle are provided with supporting rods, and the supporting rods extend into the cylindrical grooves;
the long cylinder extends to one side above the filling block, a pressing plate is fixedly connected to the outer surface of the long cylinder, extends to the round liquid bin and is attached to the round liquid bin;
a long rod is connected in a sliding way in the long barrel; the bottom of the long rod is fixedly connected with a second piston plate, and the initial state of the second piston plate is positioned in the through groove and is tightly attached to the through groove; the lower surface of the first piston plate is provided with a disc groove; the other side of the long rod extends to the upper part of the long cylinder; the top of the long rod is T-shaped;
the top of the long rod is fixedly connected with an arc-shaped plate on the surface of the outer ring of the circular liquid bin; a first arc-shaped groove is formed in the arc-shaped plate, and the cross section of the first arc-shaped groove is T-shaped; the top of the long rod slides in the first arc-shaped groove and is used for limiting the long rod;
the drive assembly includes a first C-plate; the first C-shaped plate is positioned below the arc-shaped plate;
the first C-shaped plate and the arc-shaped plate form a complete circular ring in the overlooking direction; the upper surface of the first C-shaped plate is fixedly connected with uniformly arranged first electric telescopic rods; each first electric telescopic rod is fixedly connected with a fixed block, and the fixed blocks are fixed on the surface of the outer ring of the circular liquid bin;
the upper surface of the first C-shaped plate is fixedly connected with uniformly arranged connecting rods; the tops of the connecting rods are fixedly connected with a second C-shaped plate, and the height of the second C-shaped plate is higher than that of the arc-shaped plate; the upper surface of the second C-shaped plate is fixedly connected with second electric telescopic rods which are uniformly arranged, and the extension rods of the second electric telescopic rods extend to the lower part of the second C-shaped plate;
a third C-shaped plate is fixedly connected to the extension rods of the second electric telescopic rods together, and the thickness of the third C-shaped plate is the same as that of the arc-shaped plate; the height of the third C-shaped plate is the same as that of the arc-shaped plate; the end surfaces of the two sides of the third C-shaped plate are attached to the end surfaces of the two sides of the arc-shaped plate in an initial state;
the second arc-shaped groove is formed in the inner wall of the third C-shaped plate, and the notch parts at the two sides of the second arc-shaped groove are attached to the notch parts at the two sides of the first arc-shaped groove on the arc-shaped plate in an initial state.
Preferably, the top of the long rod is fixedly connected with a rotating wheel, and the rotating wheel is circumscribed with the outer ring surface of the first C-shaped plate after moving up and down in the vertical direction.
Preferably, the supporting rod is a threaded rod and is meshed with the baffle through threads;
and capacity scale marks are arranged on the supporting rod.
Preferably, a sealing ring is fixedly connected with one side surface of the filling blocks close to the circular liquid bin; the sealing ring is provided with third liquid holes which are uniformly distributed, and the third liquid holes and the second liquid holes correspond to each other; an annular groove is formed in the surface of the outer ring of the circular liquid bin, and the first liquid hole is formed in the annular groove; the sealing ring slides in the annular groove;
sealing strips are fixedly connected to the end faces of the upper side and the lower side of the sealing ring.
The beneficial effects of the invention are as follows:
1. according to the electrolyte filling equipment, the second piston plate is utilized to push and scrape the through groove and the filling pipe, so that electrolyte on the wall of the filling pipe can be pushed into the battery, the condition of electrolyte wall hanging in the filling pipe is avoided, the accuracy of the liquid filling amount of the battery is affected, meanwhile, when the filling blocks above the first bin body, the second bin body, the third bin body and the fourth bin body are circularly transferred below the first C-shaped plate and the second C-shaped plate, the first C-shaped plate and the second C-shaped plate can push the first piston plate and the second piston plate to move downwards, and the filling pipes on the filling blocks above the first bin body, the second bin body, the third bin body and the fourth bin body can be pushed and scraped for multiple times, so that the electrolyte in the filling pipe is pushed into the battery, the amount of the electrolyte wall hanging in the filling pipe is further reduced, and the accuracy of the liquid filling amount of the battery is further improved.
2. According to the electrolyte filling equipment, when the second piston plate moves downwards to the position below the liquid inlet, the rotating wheel on the long rod is tangent to the first C-shaped plate, and in the process that the long rod revolves along with the workbench, the rotating wheel is tangent to the first C-shaped plate so as to drive the long rod to rotate, and in the process that the long rod rotates, the second piston plate can be driven to rotate, and when the second piston plate rotates, electrolyte adhered to the second piston plate when the filling pipe is pushed and scraped can be thrown into a battery, so that the electrolyte scraped from the filling pipe is prevented from adhering to the second piston plate, and the accuracy of the liquid filling amount of the battery is further influenced.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the entire present invention;
FIG. 2 is an internal block diagram of the present invention;
FIG. 3 is a block diagram of a circular liquid cartridge and canning mechanism in accordance with the present invention;
FIG. 4 is a block diagram of a circular liquid cartridge and canning mechanism of the present invention from another perspective;
FIG. 5 is an enlarged view of a portion of FIG. 4A in accordance with the present invention;
FIG. 6 is an enlarged view of a portion of the invention at B in FIG. 4;
FIG. 7 is an exploded view of the circular fluid chamber and canning mechanism of the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 7 at C in accordance with the present invention;
FIG. 9 is an enlarged view of a portion of the invention at D in FIG. 7;
FIG. 10 is an internal structural view of the filling block of the present invention;
FIG. 11 is a top view of the present invention;
FIG. 12 is a cross-sectional view of E-E of FIG. 11 in accordance with the present invention;
FIG. 13 is an enlarged view of a portion of FIG. 12 at F in accordance with the present invention;
FIG. 14 is an enlarged view of a portion of the invention at G of FIG. 12;
FIG. 15 is an enlarged view of a portion of the invention at H of FIG. 12;
fig. 16 is an enlarged view of a portion of fig. 12 at I in accordance with the present invention.
In the figure: 1. a base; 11. a support column; 12. a work table; 13. gear teeth; 14. a gear; 15. a motor; 16. a connecting column; 2. a placement groove; 21. a first bin; 22. a second bin; 23. a third bin; 24. a fourth bin; 25. a battery; 26. a liquid inlet; 27. a hydraulic rod; 3. a circular liquid bin; 31. an isolation bin; 32. a liquid pump; 33. a first liquid hole; 4. an annular bin; 41. filling blocks; 42. a cylindrical groove; 43. a second liquid hole; 44. a through groove; 45. filling tubes; 46. a seal ring; 47. a third liquid hole; 48. an annular groove; 5. a first piston plate; 51. a long barrel; 52. a baffle; 53. a supporting rod; 54. a pressing plate; 55. a disk slot; 6. a long rod; 61. a second piston plate; 62. an arc-shaped plate; 63. a first arc-shaped groove; 64. a rotating wheel; 7. a first C-shaped plate; 71. a first electric telescopic rod; 72. a fixed block; 73. a connecting rod; 74. a second C-shaped plate; 75. a second electric telescopic rod; 76. a third C-plate; 77. a second arcuate slot.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 16, an electrolyte filling apparatus according to the present invention;
example 1
Comprises a base 1; the base 1 is fixedly connected with a support column 11; the upper surface of the base 1 is rotatably connected with a workbench 12, and the workbench 12 is a disc type; the support column 11 is positioned at the center of the working table 12 and is rotationally connected with the working table 12;
the workbench 12 is provided with evenly arranged placing grooves 2; a placing bin is placed in each placing groove 2, and the placing bins are respectively a first bin body 21, a second bin body 22, a third bin body 23 and a fourth bin body 24;
each of the placement bins is used for placing a battery 25 filled with electrolyte; a hydraulic rod 27 is arranged in the workbench 12 below the placement bin, and the extension end of the hydraulic rod 27 is fixedly connected with the placement bin;
the surface of the outer ring of the workbench 12 below the placing bin is fixedly connected with evenly arranged gear teeth 13; the base 1 is rotatably connected with a gear 14, and the gear 14 is meshed with the gear teeth 13; the gear 14 is driven by a motor 15, and the motor 15 is arranged in the base 1;
the top of the support column 11 is rotatably connected with an annular bin 4; the bottom surface of the annular bin 4 is fixedly connected with a connecting column 16, and the other end of the connecting column 16 is fixedly connected with the workbench 12; a circular liquid bin 3 is slidably arranged in the middle of the annular bin 4, and the circular liquid bin 3 is used for storing electrolyte; the round liquid bin 3 is fixedly connected with the top of the support column 11;
an isolation bin 31 is arranged in the circular liquid bin 3; a liquid pump 32 is arranged in the isolation bin 31; the liquid inlet pipe of the liquid pump 32 extends out of the isolation bin 31; the liquid pump 32 faces one side of the first bin body 21, and a first liquid hole 33 is formed in the inner wall of the circular liquid bin 3; the liquid outlet pipe of the liquid pump 32 extends into the first liquid hole 33;
a filling mechanism is arranged above each placing bin in the annular bin 4; the filling mechanism comprises a filling assembly and a driving assembly; the filling assembly is used for filling electrolyte into the battery 25; the driving assembly is used for providing power for the filling assembly;
when the battery 25 is filled, firstly, a worker transfers the battery 25 into the first bin 21, then the hydraulic rod 27 stretches, so that the battery 25 is driven to move upwards, the battery 25 is aligned with the filling assembly, then the liquid pump 32 is controlled to work, electrolyte in the round liquid bin 3 can be guided into the filling mechanism in the process of the liquid pump 32, then the motor 15 is controlled to rotate, the motor 15 drives the gear 14 to rotate, so that the gear teeth 13 on the outer ring of the workbench 12 are driven to rotate, the workbench 12 and the battery 25 on the workbench 12 are driven to rotate, and as the workbench 12 is connected with the annular bin 4 through the connecting column 16, the filling assembly on the annular bin 4 and the annular bin 4 is driven to rotate, and when the filling assembly rotates to the position of the driving assembly, the driving assembly can push the electrolyte in the filling assembly into the battery 25, and meanwhile, the condition of hanging walls of the electrolyte can be prevented.
Example two
The filling assembly comprises a filling block 41; a filling block 41 is arranged between the circular liquid bin 3 and the annular bin 4 above each placing bin; the filling block 41 is an arc-shaped block and is tightly attached to the surface of the outer ring of the circular liquid bin 3 and the surface of the inner ring of the annular bin 4;
the filling block 41 is fixedly connected to the annular bin 4; a cylindrical groove 42 is formed in the inner wall of the filling block 41, and the cylindrical groove 42 penetrates to the top of the filling block 41 and does not penetrate to the bottom of the filling block 41; the bottom of each cylindrical groove 42 is positioned in the inner wall of the filling block 41 and is provided with a second liquid hole 43, and a one-way valve is arranged in the second liquid hole 43; the second liquid holes 43 formed in the filling block 41 above the first bin 21 are tightly attached to the first liquid holes 33 in the initial state;
a through groove 44 is formed in the center of the bottom of the cylindrical groove 42, and the through groove 44 penetrates through the filling block 41; a filling pipe 45 is fixedly connected to the lower surface of the filling block 41 below the through groove 44, and the filling block 41 passes through the annular bin 4 to extend to the position above the liquid inlet 26 of the battery 25; the inner diameter of the filling pipe 45 is the same as the inner diameter of the through groove 44; the outer diameter of the filling pipe 45 is the same as the inner diameter of the liquid inlet 26;
the first piston plate 5 is connected in a sliding way in the cylindrical groove 42, and the first piston plate 5 is tightly attached to the cylindrical groove 42; the upper surface of the first piston plate 5 is fixedly connected with a long cylinder 51, and the long cylinder 51 extends to the upper part of the filling block 41; the top of the cylindrical groove 42 is fixedly connected with a baffle plate 52, and the long cylinder 51 passes through the baffle plate 52 and is in sliding connection with the baffle plate 52; the two sides of the baffle plate 52 are provided with a supporting rod 53, and the supporting rod 53 extends into the cylindrical groove 42 partially;
the long cylinder 51 extends to one side above the filling block 41, a pressing plate 54 is fixedly connected to the outer surface of the long cylinder 51, and the pressing plate 54 extends to the round liquid bin 3 and is attached to the round liquid bin 3;
a long rod 6 is connected in a sliding manner to the long barrel 51; the bottom of the long rod 6 is fixedly connected with a second piston plate 61, and the second piston plate 61 is positioned in the through groove 44 in an initial state and is tightly attached to the through groove 44; a disc groove 55 is formed in the lower surface of the first piston plate 5; the other side of the long rod 6 extends to the upper part of the long cylinder 51; the top of the long rod 6 is T-shaped;
the top of the long rod 6 is fixedly connected with an arc-shaped plate 62 on the surface of the outer ring of the circular liquid bin 3; a first arc-shaped groove 63 is formed in the arc-shaped plate 62, and the cross section of the first arc-shaped groove 63 is T-shaped; the top of the long rod 6 slides in the first arc-shaped groove 63 for limiting the long rod 6;
the drive assembly comprises a first C-plate 7; the first C-shaped plate 7 is positioned below the arc-shaped plate 62;
the first C-shaped plate 7 and the arc-shaped plate 62 form a complete circular ring in a top view; the upper surface of the first C-shaped plate 7 is fixedly connected with uniformly arranged first electric telescopic rods 71; each first electric telescopic rod 71 is fixedly connected with a fixed block 72, and the fixed blocks 72 are fixed on the surface of the outer ring of the circular liquid bin 3;
the upper surface of the first C-shaped plate 7 is fixedly connected with a connecting rod 73 which is uniformly arranged; a second C-shaped plate 74 is fixedly connected to the top of the plurality of connecting rods 73, and the height of the second C-shaped plate 74 is higher than that of the arc-shaped plate 62; the upper surface of the second C-shaped plate 74 is fixedly connected with second electric telescopic rods 75 which are uniformly arranged, and the extension rods of the second electric telescopic rods 75 extend to the lower part of the second C-shaped plate 74;
a third C-shaped plate 76 is fixedly connected to the extension rods of the second electric telescopic rods 75, and the thickness of the third C-shaped plate 76 is the same as that of the arc-shaped plate 62; the third C-shaped plate 76 has the same height as the arcuate plate 62; the two side end surfaces of the third C-shaped plate 76 are attached to the two side end surfaces of the arc-shaped plate 62 in an initial state;
a second arc-shaped groove 77 is formed in the inner wall of the third C-shaped plate 76, and the notch parts at the two sides of the second arc-shaped groove 77 are attached to the notch parts at the two sides of the first arc-shaped groove 63 on the arc-shaped plate 62 in an initial state;
specifically, when the battery 25 is filled, firstly, the worker transfers the battery 25 into the first bin 21, then the hydraulic rod 27 is stretched, so as to drive the battery 25 to move upwards, in the process of moving upwards the battery 25, the filling pipe 45 is gradually inserted into the liquid inlet 26 of the battery 25, when the filling pipe 45 is inserted into the liquid inlet 26 of the battery 25, the hydraulic rod 27 is controlled to stop stretching, then the liquid pump 32 is controlled to work, and because the second liquid hole 43 formed on the filling block 41 above the first bin 21 is tightly attached to the first liquid hole 33 in the initial state, the liquid pump 32 can pump electrolyte into the first liquid hole 33, then enters the second liquid hole 43 on the filling block 41 through the first liquid hole 33, then the electrolyte entering the second liquid hole 43 enters the column groove 42 through the one-way valve, after the electrolyte enters the column groove 42, the first piston plate 5 is pushed to gradually move upwards, meanwhile, as the second piston plate 61 is positioned in the through groove 44 in the initial state, and the long rod 6 fixedly connected to the second piston plate 61 is limited in the first arc groove 63, so that after electrolyte enters the cylindrical groove 42, the second piston plate 61 is not extruded to move downwards by the electrolyte, in the process of gradually moving upwards the first piston plate 5, the long rod 6 is gradually moved upwards, meanwhile, the long cylinder 51 and the pressing plate 54 on the long cylinder 51 are driven to gradually move upwards, when the upper surface of the first piston plate 5 is attached to the supporting rod 53, the electrolyte stored below the first piston plate 5 is the same as the electrolyte needed to be filled when the battery 25 is filled, when the first piston plate 5 is contacted with the supporting rod 53, the liquid pump 32 is controlled to stop working, meanwhile, as the one-way valve is arranged in the second liquid hole 43, the electrolyte in the cylindrical groove 42 can be prevented from flowing backwards, subsequently, the workbench 12 is controlled to rotate;
more specifically, when the workbench 12 rotates, the motor 15 is controlled to rotate, the motor 15 drives the gear 14 to rotate, so as to drive the workbench 12 to rotate, in the process of rotating the workbench 12, the battery 25 on the first bin body 21 is driven to rotate, meanwhile, as the annular bin 4 is connected with the workbench 12 through the connecting column 16, the annular bin 4 is driven to rotate along with the workbench 12, so that the annular bin 4 drives the filling block 41 and the filling pipe 45 inserted into the liquid inlet 26 of the battery 25 to rotate along with the workbench 12, and as the base 1 is fixedly connected with the circular liquid bin 3 through the supporting column 11, the circular liquid bin 3 is in a standing state, so that the filling block 41 rotates around the circular liquid bin 3, and when the filling block 41 placed on the first bin body 21 is separated from the first liquid hole 33 on the circular liquid bin 3, the liquid pump 32 stops working, so that the electrolyte can be prevented from continuously flowing out;
meanwhile, in the process of rotating the filling block 41, the first piston plate 5 and the long cylinder 51 on the first piston plate 5 are driven to rotate, the second piston plate 61 and the long rod 6 are driven to rotate, in the process of rotating the long rod 6, the top of the long rod 6 is of a T shape, so that the T shape at the top of the long rod 6 slides in the first arc-shaped groove 63 at the bottom of the arc plate 62, the two side end surfaces of the third C-shaped plate 76 are jointed with the two side end surfaces of the arc plate 62 in the initial state, the two side notch positions of the second arc-shaped groove 77 are jointed with the two side notch positions of the first arc-shaped groove 63 on the arc plate 62 in the initial state, when the T shape at the top of the long rod 6 is separated from the first arc-shaped groove 63 on the arc plate 62, the T shape at the top of the long rod 6 enters the second arc-shaped groove 77 formed at the bottom of the third C-shaped plate 76, meanwhile, the pressing plate 54 is rotated under the first C-shaped plate 7, the second electric telescopic rod 75 is controlled to shrink first, in the process of extending and retracting the second electric telescopic rod 75, the third C-shaped plate 76 is driven to move upwards, because the long rod 6 is located in the second arc-shaped groove 77 on the lower surface of the third C-shaped plate 76, the long rod 6 is driven to move upwards, in the process of moving upwards the long rod 6, the second piston plate 61 is driven to move upwards from the through groove 44 to the cylindrical groove 42, at the moment, the through groove 44 is no longer sealed by the second piston plate 61, then the first electric telescopic rod 71 is controlled to extend, the first C-shaped plate 7 is driven to gradually move downwards, meanwhile, the third C-shaped plate 76 is driven to move downwards through the connecting rod 73, when the first C-shaped plate 7 is contacted with the pressing plate 54, the pressing plate 54 is driven to gradually move downwards, so that the pressing plate 54 pushes the long barrel 51 and the first piston plate 5 in the cylindrical groove 42, the electrolyte in the cylindrical groove 42 is pushed into the through groove 44, then enters the battery 25 through the filling pipe 45, when the first piston plate 5 gradually approaches the second piston plate 61, the second piston plate 61 enters the disc groove 55, after the second piston plate 61 completely enters the disc groove 55, the lower surface of the second piston plate 61 is flush with the lower surface of the first piston plate 5, then the second electric telescopic rod 75 is controlled to extend, when the first piston plate 5 moves downwards to be attached to the bottom of the cylindrical groove 42, at the moment, the first electric telescopic rod 71 stops extending, and the second electric telescopic rod 75 continues to extend, so that the long rod 6 and the second piston plate 61 are pushed to gradually move downwards through the third C-shaped plate 76, and in the process of gradually moving downwards the second piston plate 61, the electrolyte on the wall in the filling pipe 45 can be pushed into the battery 25 along the through groove 44 and the filling pipe 45, so that the electrolyte on the wall in the filling pipe 45 can be prevented from being stored in the electrolyte on the wall, and the accuracy of the electrolyte on the wall of the battery 25 is not high;
further, when the first bin 21 rotates ninety degrees along with the workbench 12, the workbench 12 is controlled to stop rotating, meanwhile, the second bin 22 rotates to the original initial position of the first bin 21, then the unfilled battery 25 is transferred to the second bin 22, then the first electric telescopic rod 71 and the second electric telescopic rod 75 are controlled to restore to the initial state, meanwhile, the first piston plate 5 and the second piston plate 61 in the filling block 41 above the first bin 21 are also restored to the state after the cylindrical groove 42 is filled with electrolyte, then the liquid pump 32 is controlled to fill the filling block 41 above the second bin 22 with electrolyte, when the electrolyte is filled, the workbench 12 is controlled again to rotate at the moment, so that the long rod 6 in the filling block 41 above the second bin 22 is gradually transferred into the second arc groove 77 at the bottom of the third C-shaped plate 76, then the first electric telescopic rod 71 and the second electric telescopic rod 75 repeat the operation, so that the first piston plate 5 in the filling block 41 above the second bin 22 can be pushed to move downwards to push electrolyte into the battery 25 through the first C-shaped plate 7, so that the second piston plate 61 in the filling block 41 above the second bin 22 is pushed to move downwards through the third C-shaped plate 76 to push electrolyte hanging in the filling pipe 45 into the battery 25, and meanwhile, in the process of moving downwards the first C-shaped plate 7 and the second C-shaped plate 74, the first piston plate 5 and the second piston plate 61 in the filling block 41 above the first bin 21 are also driven to move downwards, so that the cylindrical groove 42 in the filling block 41 above the first bin 21 and the filling pipe 45 can be pushed and scraped again through the first piston plate 5 and the second piston plate 61, the electrolyte hanging in the filling pipe 45 is pushed into the battery 25, thereby further reducing the amount of the electrolyte hanging in the filling pipe 45, further improving the accuracy of the liquid injection amount of the battery 25;
further, when the first bin 21 rotates by one hundred eighty degrees, the third bin 23 rotates to the original initial position of the first bin 21, then the unfilled battery 25 is transferred to the third bin 23, the above operation is repeated, when the first bin 21 rotates by two hundred seven degrees, the worker moves the battery 25 out of the first bin 21, and then when the first bin 21 rotates to the initial position again, the unfilled battery 25 is transferred to the first bin 21, so that the cycle is completed;
in the above operation process, by pushing and scraping the through groove 44 and the filling tube 45 by using the second piston plate 61, the electrolyte on the wall in the filling tube 45 can be pushed into the battery 25, so as to avoid the situation of the electrolyte on the wall in the filling tube 45, thereby affecting the accuracy of the liquid filling amount of the battery 25, and meanwhile, when the filling blocks 41 above the first bin 21, the second bin 22, the third bin 23 and the fourth bin 24 are circularly transferred below the first C-shaped plate 7 and the second C-shaped plate 74, the first C-shaped plate 7 and the second C-shaped plate 74 both push the first piston plate 5 and the second piston plate 61 to move downwards, so that the electrolyte on the filling blocks 41 above the first bin 21, the second bin 22, the third bin 23 and the fourth bin 24 can be pushed and scraped for many times, thereby further pushing the electrolyte in the filling tube 45 into the battery 25, further reducing the amount of the electrolyte on the wall in the filling tube 45, and further improving the accuracy of the liquid filling amount of the battery 25.
Before the apparatus is put into operation, a worker needs to adjust the position of the abutment bar 53 according to the amount of electrolyte to be filled into the battery 25, thereby ensuring that the amount of electrolyte stored below the first piston plate 5 is the same as the amount to be filled into the battery 25 when the first piston plate 5 is in contact with the abutment bar 53.
Example III
The top of the long rod 6 is fixedly connected with a rotating wheel 64, and the rotating wheel 64 is circumscribed with the outer ring surface of the first C-shaped plate 7 after moving up and down in the vertical direction;
when the second piston plate 61 moves down to the lower part of the liquid inlet 26, at this time, the rotating wheel 64 on the long rod 6 is tangent to the first C-shaped plate 7, and in the process that the long rod 6 revolves along with the workbench 12, the rotating wheel 64 is tangent to the first C-shaped plate 7, so that the long rod 6 can be driven to rotate, and in the process that the long rod 6 rotates, the second piston plate 61 can be driven to rotate, and when the second piston plate 61 rotates, electrolyte adhered to the second piston plate 61 when the filling tube 45 is pushed and scraped can be thrown into the battery 25, so that the electrolyte scraped from the filling tube 45 is prevented from adhering to the second piston plate 61, and the accuracy of the liquid injection amount of the battery 25 is further affected.
Example IV
The supporting rod 53 is a threaded rod and is meshed with the baffle plate 52 through threads;
the supporting rod 53 is provided with capacity graduation marks;
when the liquid injection amount of the battery 25 needs to be adjusted, a worker rotates the supporting rod 53, so that the distance between the supporting rod 53 and the bottom of the cylindrical groove 42 is adjusted, the height of the first piston plate 5 moving upwards in the cylindrical groove 42 is adjusted, and therefore after the first piston plate 5 contacts with the supporting rod 53, the amount of electrolyte stored below the first piston plate 5 is the same as the liquid injection amount required by the battery 25, and the supporting rod 53 is provided with capacity scale marks, so that the height of the supporting rod 53 can be conveniently adjusted.
Example five
A sealing ring 46 is fixedly connected to the surface of one side of the filling blocks 41, which is close to the circular liquid bin 3; the sealing ring 46 is provided with third liquid holes 47 which are uniformly arranged, and the third liquid holes 47 correspond to the second liquid holes 43; an annular groove 48 is formed in the surface of the outer ring of the circular liquid bin 3, and the first liquid hole 33 is positioned in the annular groove 48; the seal ring 46 slides within the annular groove 48;
sealing strips are fixedly connected to the end surfaces of the upper side and the lower side of the sealing ring 46;
in the process that the filling block 41 follows the round liquid bin 3 to rotate, the filling block 41 can drive the sealing ring 46 to rotate in the annular groove 48, when the second liquid hole 43 on the filling block 41 is separated from the first liquid hole 33 on the round liquid bin 3, the sealing ring 46 can seal the first liquid hole 33, and as the sealing strips are fixedly connected to the upper end face and the lower end face of the sealing ring 46, the annular groove 48 can be sealed, and as the third liquid hole 47 is formed in the sealing ring 46, the third liquid hole 47 corresponds to the second liquid hole 43, and when the liquid is injected into the cylindrical groove 42, the electrolyte in the first liquid hole 33 enters the third liquid hole 47 first, and then enters the second liquid hole 43.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. An electrolyte filling device, characterized in that: comprises a base (1); the base (1) is fixedly connected with a support column (11); the upper surface of the base (1) is rotatably connected with a workbench (12), and the workbench (12) is a disc type; the support column (11) is positioned at the center of the workbench (12) and is rotationally connected with the workbench (12);
the workbench (12) is provided with uniformly arranged placing grooves (2); a placing bin is arranged in each placing groove (2), and the placing bins are respectively a first bin body (21), a second bin body (22), a third bin body (23) and a fourth bin body (24);
each of the placement bins is used for placing a battery (25) filled with electrolyte; a hydraulic rod (27) is arranged in the workbench (12) below the placement bin, and the extension end of the hydraulic rod (27) is fixedly connected with the placement bin;
gear teeth (13) which are uniformly arranged are fixedly connected to the surface of the outer ring of the workbench (12) below the placement bin; the base (1) is rotatably connected with a gear (14), and the gear (14) is meshed with the gear teeth (13); the gear (14) is driven by a motor (15), and the motor (15) is arranged in the base (1);
the top of the support column (11) is rotationally connected with an annular bin (4); the bottom surface of the annular bin (4) is fixedly connected with a connecting column (16), and the other end of the connecting column (16) is fixedly connected with the workbench (12); a circular liquid bin (3) is slidably arranged in the middle of the annular bin (4), and the circular liquid bin (3) is used for storing electrolyte; the round liquid bin (3) is fixedly connected with the top of the support column (11);
an isolation bin (31) is arranged in the circular liquid bin (3); a liquid pump (32) is arranged in the isolation bin (31); the liquid inlet pipe of the liquid pump (32) extends out of the isolation bin (31); the liquid pump (32) faces one side of the first bin body (21), and a first liquid hole (33) is formed in the inner wall of the circular liquid bin (3); the liquid outlet pipe of the liquid pump (32) extends into the first liquid hole (33);
a filling mechanism is arranged above each placing bin in the annular bin (4); the filling mechanism comprises a filling assembly and a driving assembly; the filling assembly is used for filling electrolyte into the battery (25); the driving assembly is used for providing power for the filling assembly;
the filling assembly comprises a filling block (41); a filling block (41) is arranged between the circular liquid bin (3) and the annular bin (4) above each placing bin; the filling block (41) is an arc-shaped block and is tightly attached to the surface of the outer ring of the circular liquid bin (3) and the surface of the inner ring of the annular bin (4);
the filling block (41) is fixedly connected to the annular bin (4); a cylindrical groove (42) is formed in the inner wall of the filling block (41), and the cylindrical groove (42) penetrates to the top of the filling block (41) and does not penetrate to the bottom of the filling block (41); the bottom of each cylindrical groove (42) is positioned in the inner wall of the filling block (41) and is provided with a second liquid hole (43), and a one-way valve is arranged in the second liquid hole (43); the second liquid hole (43) arranged on the filling block (41) above the first bin body (21) is tightly attached to the first liquid hole (33) in the initial state;
a through groove (44) is formed in the center of the bottom of the cylindrical groove (42), and the through groove (44) penetrates through the filling block (41); a filling pipe (45) is fixedly connected to the lower surface of the filling block (41) below the through groove (44), and the filling block (41) penetrates through the annular bin (4) to extend to the position above the liquid inlet (26) of the battery (25); the inner diameter of the filling pipe (45) is the same as the inner diameter of the through groove (44); the outer diameter of the filling pipe (45) is the same as the inner diameter of the liquid inlet (26);
the first piston plate (5) is connected in a sliding manner in the cylindrical groove (42), and the first piston plate (5) is tightly attached to the cylindrical groove (42); the upper surface of the first piston plate (5) is fixedly connected with a long cylinder (51), and the long cylinder (51) extends to the upper part of the filling block (41); the top of the cylindrical groove (42) is fixedly connected with a baffle plate (52), and the long cylinder (51) passes through the baffle plate (52) and is in sliding connection with the baffle plate (52); the two sides of the baffle plate (52) are provided with supporting rods (53), and the supporting rods (53) partially extend into the cylindrical grooves (42);
the long cylinder (51) extends to one side above the filling block (41), a pressing plate (54) is fixedly connected to the outer surface of the long cylinder (51), and the pressing plate (54) extends to the round liquid bin (3) and is attached to the round liquid bin (3);
a long rod (6) is connected in a sliding way in the long cylinder (51); the bottom of the long rod (6) is fixedly connected with a second piston plate (61), and the second piston plate (61) is positioned in the through groove (44) in an initial state and is tightly attached to the through groove (44); a disc groove (55) is formed in the lower surface of the first piston plate (5); the other side of the long rod (6) extends to the upper part of the long cylinder (51); the top of the long rod (6) is T-shaped;
the top of the long rod (6) is fixedly connected with an arc-shaped plate (62) on the surface of the outer ring of the circular liquid bin (3); a first arc-shaped groove (63) is formed in the arc-shaped plate (62), and the cross section of the first arc-shaped groove (63) is T-shaped; the top of the long rod (6) slides in the first arc-shaped groove (63) and is used for limiting the long rod (6);
the drive assembly comprises a first C-plate (7); the first C-shaped plate (7) is positioned below the arc-shaped plate (62);
the first C-shaped plate (7) and the arc-shaped plate (62) form a complete circular ring in a top view; the upper surface of the first C-shaped plate (7) is fixedly connected with uniformly arranged first electric telescopic rods (71); each first electric telescopic rod (71) is fixedly connected with a fixed block (72), and the fixed blocks (72) are fixed on the surface of the outer ring of the circular liquid bin (3);
the upper surface of the first C-shaped plate (7) is fixedly connected with uniformly arranged connecting rods (73); the tops of the connecting rods (73) are fixedly connected with a second C-shaped plate (74) together, and the height of the second C-shaped plate (74) is higher than that of the arc-shaped plate (62); the upper surface of the second C-shaped plate (74) is fixedly connected with second electric telescopic rods (75) which are uniformly arranged, and the extension rods of the second electric telescopic rods (75) extend to the lower part of the second C-shaped plate (74);
a third C-shaped plate (76) is fixedly connected to the extension rods of the second electric telescopic rods (75) together, and the thickness of the third C-shaped plate (76) is the same as that of the arc-shaped plate (62); the third C-shaped plate (76) has the same height as the arc-shaped plate (62); the end surfaces of the two sides of the third C-shaped plate (76) are attached to the end surfaces of the two sides of the arc-shaped plate (62) in an initial state;
a second arc-shaped groove (77) is formed in the inner wall of the third C-shaped plate (76), and notch positions on two sides of the second arc-shaped groove (77) are attached to notch positions on two sides of the first arc-shaped groove (63) on the arc-shaped plate (62) in an initial state.
2. An electrolyte filling apparatus according to claim 1, wherein: the top of the long rod (6) is fixedly connected with a rotating wheel (64), and the rotating wheel (64) is circumscribed with the outer ring surface of the first C-shaped plate (7) after moving downwards in the vertical direction.
3. An electrolyte filling apparatus according to claim 2, wherein: the supporting rod (53) is a threaded rod and is meshed with the baffle plate (52) through threads.
4. An electrolyte filling apparatus according to claim 3, wherein: and capacity scale marks are arranged on the supporting rod (53).
5. The electrolyte filling apparatus according to claim 4, wherein: a sealing ring (46) is fixedly connected with the surface of one side of the filling blocks (41) close to the round liquid bin (3) together; the sealing ring (46) is provided with third liquid holes (47) which are uniformly arranged, and the third liquid holes (47) are mutually corresponding to the second liquid holes (43); an annular groove (48) is formed in the surface of the outer ring of the circular liquid bin (3), and the first liquid hole (33) is positioned in the annular groove (48); the sealing ring (46) slides within an annular groove (48).
6. The electrolyte filling apparatus according to claim 5, wherein: sealing strips are fixedly connected to the end faces of the upper side and the lower side of the sealing ring (46).
CN202410034441.7A 2024-01-10 2024-01-10 Electrolyte filling equipment Active CN117559093B (en)

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CN215600514U (en) * 2021-07-28 2022-01-21 安徽海容电源动力股份有限公司 Be used for colloidal battery electrolyte filling equipment
CN114883761A (en) * 2022-06-06 2022-08-09 浙江华荣电池股份有限公司 Rotatory injection device of alkaline dry battery electrolyte
CN217646351U (en) * 2022-07-06 2022-10-25 邯郸市潘仁新能源科技有限公司 Liquid physics mixes quantitative proportioning device in middle of gypsum retarder production
CN116435723A (en) * 2023-05-26 2023-07-14 江苏智泰新能源科技有限公司 Electrolyte filling device with overflow-preventing function for sodium ion battery production and method
CN219513304U (en) * 2023-02-16 2023-08-11 江西东驰新能源产业有限公司 Sealed quantitative liquid injection device for lithium battery
CN116979228A (en) * 2023-08-16 2023-10-31 安徽海容电源动力股份有限公司 Electrolyte filling system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207090445U (en) * 2017-08-14 2018-03-13 江门市新会区冈州科技有限公司 A kind of intelligent sensing feed arrangement
CN110921607A (en) * 2019-12-09 2020-03-27 王飞翔 Automatic filling system of lubricating grease preparation
JP2021093318A (en) * 2019-12-11 2021-06-17 トヨタ自動車株式会社 Battery manufacturing method
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CN214649117U (en) * 2021-04-28 2021-11-09 四川爱客信生物科技股份有限公司 Mixed type feed additive filling device
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CN116979228A (en) * 2023-08-16 2023-10-31 安徽海容电源动力股份有限公司 Electrolyte filling system

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