CN113270698B - Injection device of electrolyte in lithium ion battery - Google Patents
Injection device of electrolyte in lithium ion battery Download PDFInfo
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- CN113270698B CN113270698B CN202110649034.3A CN202110649034A CN113270698B CN 113270698 B CN113270698 B CN 113270698B CN 202110649034 A CN202110649034 A CN 202110649034A CN 113270698 B CN113270698 B CN 113270698B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention discloses an injection device of electrolyte in a lithium ion battery, which relates to the technical field of lithium battery production and comprises a workbench, a conveying mechanism, a positioning mechanism, a clamping mechanism and a liquid injection mechanism, wherein, conveying mechanism locates the upside of workstation and is used for realizing annotating the transport around the liquid to the lithium cell, conveying mechanism includes backup pad and driving motor, positioning mechanism locates conveying mechanism's downside and is used for realizing the location when annotating the liquid to the lithium cell, positioning mechanism includes telescopic cylinder, articulated one, articulated two and location strip, clamping mechanism locates conveying mechanism's upside and is used for realizing pressing from both sides tightly when annotating the liquid to the lithium cell, clamping mechanism includes the overhang strip, the pinch-off blades, articulated three, linkage post and linkage strip, annotate liquid mechanism and locate clamping mechanism's upside and be used for realizing annotating the liquid to the lithium cell, annotate liquid mechanism and include pneumatic cylinder and electrolyte tank. In conclusion, the automatic feeding, positioning, clamping and filling device can realize automatic feeding, automatic positioning, automatic clamping and automatic filling of the lithium battery.
Description
Technical Field
The invention relates to the technical field of lithium battery production, in particular to an injection device for electrolyte in a lithium ion battery.
Background
The electrolyte is a medium used by chemical batteries, electrolytic capacitors and the like, and provides ions for the normal operation of the chemical batteries, the electrolytic capacitors and the like. Electrolyte is an indispensable part of the chemical cell, so a suitable electrolyte injection device is also indispensable.
The battery electrolyte injection method in the current market mostly uses a pipeline operation mode, the battery is often moved to a liquid injection station from a conveying line by manual assistance, liquid injection work can be carried out after the battery is placed on a corresponding positioning tool, and the battery is moved back to the conveying line from the liquid injection station after liquid injection is finished. The process is time-consuming and labor-consuming, and the production efficiency and the production benefit of related enterprises are restricted.
Disclosure of Invention
The present invention is directed to an injection device for an electrolyte in a lithium ion battery, so as to solve the above-mentioned drawbacks caused in the prior art.
The utility model provides an injection device of electrolyte among lithium ion battery, includes workstation, conveying mechanism, positioning mechanism, clamping mechanism and annotates liquid mechanism, wherein:
the working platform is horizontally arranged;
the conveying mechanism is arranged on the upper side of the workbench and used for conveying the lithium battery before and after liquid injection, and specifically comprises a supporting plate, a supporting column, a mounting bar, a connecting shaft, a driving motor and a first fixing plate;
the positioning mechanism is arranged on the lower side of the conveying mechanism and used for positioning the lithium battery during liquid injection, and the positioning mechanism specifically comprises a telescopic cylinder, a second fixing plate, a first hinge strip, a second hinge strip and a positioning strip;
the clamping mechanism is arranged on the upper side of the conveying mechanism and used for clamping the lithium battery during liquid injection, and the clamping mechanism specifically comprises a suspension bar, a clamping plate, a third hinge bar, a linkage column and a linkage bar;
annotate liquid mechanism and locate clamping mechanism's upside and be used for realizing annotating the liquid to the lithium cell, annotate liquid mechanism specifically includes connecting plate, spliced pole, pneumatic cylinder, electrolyte tank, blast pipe, intake pipe, drain pipe, annotates liquid pipe and exhaust tube.
Preferably, the supporting plate is horizontally arranged above the workbench, four corners of the supporting plate are respectively arranged on the workbench through a supporting column, the mounting bars are provided with a pair of mounting bars which are symmetrically arranged at the upper side of the supporting plate in a left-right way, mounting shafts are uniformly rotated on the mounting bars, the inner end and the outer end of the mounting shaft are respectively connected with a conveying wheel and a chain wheel in a key connection mode, the conveying wheels positioned on the same side are connected through a conveying belt, the chain wheels positioned on the same side are connected through a chain, the connecting shaft is connected with the left and right mounting shafts at the front side through keys, the connecting shaft is connected with a first synchronizing wheel through keys, the driving motor is horizontally arranged and is arranged at the lower side of the supporting plate through the first fixing plate, the output shaft of the driving motor is connected with the second synchronous wheel through a key, the first synchronizing wheel is connected with the second synchronizing wheel through a synchronous belt, and a first through groove for the synchronous belt to penetrate through is formed in the front side of the supporting plate.
Preferably, telescopic cylinder level sets up forward and installs in the downside of backup pad through fixed plate two, the front side welding of fixed plate two has articulated seat one, telescopic cylinder's piston rod end-to-end connection has articulated seat two, articulated strip one is equipped with a pair ofly and connects in the left and right sides of articulated seat one through pin one, articulated strip two is equipped with a pair ofly and connects in the left and right sides of articulated seat two through pin two, articulated strip one and articulated between the strip two through pin three connection, the vertical welding of location strip is in the front side of controlling two articulated strips two, the centre of backup pad is equipped with logical groove two that supplies the location strip to pass.
Preferably, the overhanging strips are provided with two pairs of overhanging ends which are respectively arranged at the upper sides of the mounting strips at two sides, the overhanging strips are arranged in an overhanging way outwards and vertically fixed with a first pin shaft at the overhanging ends thereof, the first pin shaft is provided with a pair of rotating strips in a rotating way, the clamping plate is provided with a pair of rotating strips which are symmetrically distributed left and right, a third hinge seat is symmetrically welded on the outer wall of the clamping plate from front to back, the rotating strips positioned at the front and back of the same side are respectively correspondingly connected with the third hinge seat from front to back through a second pin shaft, a fourth hinge seat is welded on the outer wall of the clamping plate in the middle, a third pin shaft is connected on the fourth hinge seat, the third hinge strip is provided with a pair of hinge seats which are symmetrically connected with the left end and the right end of the second pin, the third hinge strip is in a Z-shaped structure and is arranged in an overhanging way outwards, the linkage columns are provided with a pair of overhanging ends of the hinge strips which are vertically fixed at two sides, and the linkage strips are in a 'U' -shaped structure and connected with the upper ends of the linkage columns at two sides, linkage grooves for the third pin shafts on the two sides to penetrate are symmetrically arranged on the linkage strip in the left-right direction, and the third pin shafts on the same side are in sliding fit with the linkage grooves.
Preferably, the connecting plate is horizontally arranged above the clamping mechanism, four corners of the connecting plate are respectively installed on the workbench through a connecting column, the hydraulic cylinder is vertically installed on the upper side of the connecting plate, the electrolyte tank is horizontally connected to the tail end of a piston rod of the hydraulic cylinder, the exhaust pipe is connected to the upper portion of the left side of the electrolyte tank, the other end of the exhaust pipe is connected with a first flow divider, a first valve is connected to a flow dividing port of the first flow divider, the other end of the first valve is connected to an external vacuum pump, the air inlet pipe is connected to the upper portion of the right side of the electrolyte tank, the other end of the air inlet pipe is connected with a second flow divider, a second valve is connected to a flow dividing port of the second flow divider, the other end of the second valve is connected to an external nitrogen pressure source, the liquid outlet pipes are provided with a pair and uniformly connected to the bottom of the electrolyte tank, the liquid injection pipe is provided with a pair and correspondingly connected to the bottom ends of the two liquid outlet pipes, the exhaust tube is provided with a pair of exhaust tubes and is correspondingly connected to the joint of the liquid outlet tubes on the two sides and the liquid injection tube, the outer end of the exhaust tube is connected to an external vacuum pump, guide posts are symmetrically arranged on the front and the back of the upper side of the electrolyte box, and the guide posts are in sliding fit with the connecting plate through guide sleeves.
Preferably, a plurality of friction plates are uniformly stuck on the inner wall of the clamping plate.
Preferably, the guide rail is installed to the downside bilateral symmetry of backup pad, slidable mounting has the slider on the guide rail, lies in to be connected with the slider with articulated strip three of one side.
Preferably, a plurality of vibration motors are uniformly installed on the outer wall of the clamping plate.
Compared with the prior art, the injection device of the electrolyte in the lithium ion battery has the following advantages:
the driving motor can drive the connecting shaft to rotate after being transmitted by the belt, the connecting shaft drives the left and right mounting shafts on the front side to rotate, the two mounting shafts drive the remaining mounting shafts to rotate through corresponding chain transmission respectively, and then all conveying wheels on the two sides are driven to rotate, and finally the conveying belts on the two sides are driven to move. When the lithium batteries are placed on the conveying belts on the two sides, the lithium batteries can be conveyed away in the conveying direction of the conveying belts, so that the conveying work before and after the lithium batteries are injected is realized.
And secondly, the second hinge strip and the third positioning strip can be driven to rotate clockwise around the pin through contraction of a piston rod of the telescopic cylinder, so that the positioning strips are in a vertical state and can pass through the through groove and the conveying belts on the two sides when rotating. When the lithium battery is blocked by the positioning strips, the lithium battery can be positioned in the conveying direction of the conveying belt, so that the positioning work during the liquid injection of the lithium battery is realized.
And when the piston rod of the telescopic cylinder contracts, the third hinge strip, the linkage column and the linkage strip can be driven to move backwards, the third pin shaft and the clamping plate are driven, and the rotating strip moves backwards, and meanwhile, the rotating strip rotates around the first pin shaft to enable the clamping plates on the two sides to be close to each other, so that the lithium battery to be injected with liquid is clamped between two sides.
And fourthly, pumping out air in the electrolyte tank through an exhaust pipe, supplementing the hollow part of the electrolyte tank by using nitrogen through an air inlet pipe, abutting the lower port of the liquid injection pipe against the liquid injection port of the lithium battery through a hydraulic cylinder, pumping out air in the cavity of the lithium battery through an exhaust pipe, and finally filling electrolyte in the electrolyte tank into the cavity of the lithium battery along the liquid outlet pipe and the liquid injection pipe.
In conclusion, the lithium battery automatic feeding device has the characteristics of reasonable design, ingenious structure and convenience in use, and can realize automatic conveying, automatic positioning, automatic clamping and automatic filling of the lithium battery.
Drawings
Fig. 1 is a schematic overall three-dimensional structure of the present invention.
Fig. 2 and 3 are schematic structural views of the conveying mechanism in the present invention.
Fig. 4 and 5 are schematic structural views of the positioning mechanism in the present invention.
Fig. 6 and 7 are schematic views showing the structure of the clamping mechanism in the present invention.
Fig. 8 and 9 are schematic structural views of the liquid injection mechanism in the present invention.
Wherein:
10-a workbench;
20-a conveying mechanism; 201-a support plate; 201 a-a through groove I; 201 b-through slot two; 202-support column; 203-mounting bar; 204-mounting the shaft; 205-a delivery wheel; 206-a sprocket; 207-a conveyor belt; 208-a chain; 209-connecting shaft; 210-a first synchronizing wheel; 211-drive motor; 212-fixing plate one; 213-synchronizing wheel two; 214-a synchronous belt;
30-a positioning mechanism; 301-telescopic cylinder; 302-fixing plate two; 3021-hinge seat one; 303-a second hinge seat; 304-hinge bar one; 305-pin one; 306-hinge bar two; 307-pin two; 308-Pin III; 309-positioning bar;
40-a clamping mechanism; 401-overhanging bars; 402-pin shaft one; 403-rotating bar; 404-a clamping plate; 4041-hinge seat III; 4042-hinged seat four; 405-friction plate; 406-pin II; 407-pin shaft three; 408-hinge bar three; 409-linkage column; 410-linkage bar; 410 a-linkage groove; 411-a guide rail; 412-a slider; 413-a vibration motor;
50-a liquid injection mechanism; 501-connecting plate; 502-connecting column; 503-hydraulic cylinder; 504-electrolyte tank; 505-an exhaust pipe; 506-a first splitter; 507, a valve I; 508-an intake pipe; 509-splitter two; 510-valve two; 511-a liquid outlet pipe; 512-liquid injection pipe; 513-an extraction tube; 514-guide post; 515-a guide sleeve;
60-lithium battery.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 9, an injection device for electrolyte in a lithium ion battery includes a worktable 10, a conveying mechanism 20, a positioning mechanism 30, a clamping mechanism 40, and an injection mechanism 50, wherein:
the workbench 10 is horizontally arranged;
the conveying mechanism 20 is arranged on the upper side of the workbench 10 and used for conveying the lithium battery 60 before and after liquid injection, and the conveying mechanism 20 specifically comprises a supporting plate 201, a supporting column 202, a mounting bar 203, a connecting shaft 209, a driving motor 211 and a first fixing plate 212;
the positioning mechanism 30 is arranged on the lower side of the conveying mechanism 20 and used for positioning the lithium battery 60 during liquid injection, and the positioning mechanism 30 specifically comprises a telescopic cylinder 301, a second fixing plate 302, a first hinge strip 304, a second hinge strip 306 and a positioning strip 309;
the clamping mechanism 40 is arranged on the upper side of the conveying mechanism 20 and is used for clamping the lithium battery 60 during liquid injection, and the clamping mechanism 40 specifically comprises an overhanging strip 401, a clamping plate 404, a hinge strip III 408, a linkage column 409 and a linkage strip 410;
annotate liquid mechanism 50 and locate the upside of clamping mechanism 40 and be used for realizing annotating the liquid to lithium cell 60, annotate liquid mechanism 50 specifically includes connecting plate 501, spliced pole 502, pneumatic cylinder 503, electrolyte case 504, blast pipe 505, intake pipe 508, drain pipe 511, annotates liquid pipe 512 and exhaust tube 513.
In this embodiment, the supporting plate 201 is horizontally disposed above the workbench 10, four corners of the supporting plate 201 are respectively mounted on the workbench 10 through a supporting column 202, the mounting bar 203 is provided with a pair of mounting shafts 204 which are arranged on the upper side of the supporting plate 201 in bilateral symmetry, the mounting bar 203 is uniformly rotated, the inner end and the outer end of each mounting shaft 204 are respectively connected with a conveying wheel 205 and a chain wheel 206 in a key manner, the conveying wheels 205 located on the same side are connected through a conveying belt 207, the chain wheels 206 located on the same side are connected through a chain 208, the connecting shaft 209 is connected to the left mounting shaft 204 and the right mounting shaft 204 on the front side in a key manner, a first synchronizing wheel 210 is connected to the connecting shaft 209 in a key manner, the driving motor 211 is horizontally disposed and mounted on the lower side of the supporting plate 201 through a first fixing plate 212, a second synchronizing wheel 213 is connected to an output shaft of the driving motor 211 in a key manner, and the first synchronizing wheel 210 is connected with the second synchronizing wheel 213 through a synchronous belt 214, the front side of the supporting plate 201 is provided with a first through groove 201a for the synchronous belt 214 to pass through. When the lithium battery 60 to be injected is required to be conveyed to the injection mechanism 50 or the lithium battery 60 injected is required to be conveyed away from the injection mechanism 50, the driving motor 211 can drive the connecting shaft 209 to rotate after being transmitted by the belt, the connecting shaft 209 drives the left and right mounting shafts 204 at the front side to rotate, the two mounting shafts 204 drive the remaining mounting shafts 204 to rotate through the corresponding chain transmission respectively, so as to drive all the conveying wheels 205 at the two sides to rotate, and finally drive the conveying belts 207 at the two sides to move. When the lithium battery 60 is placed on the conveyor belts 207 on both sides, the lithium battery is conveyed away in the conveying direction of the conveyor belts 207, so that the conveying operation before and after the injection of the lithium battery 60 is realized.
In this embodiment, telescopic cylinder 301 level sets up forward and installs in the downside of backup pad 201 through two fixed plates 302, the front side welding of two fixed plates 302 has articulated seat one 3021, telescopic cylinder 301's piston rod end-to-end connection has articulated seat two 303, articulated strip one 304 is equipped with one pair and connects in the left and right sides of articulated seat one 3021 through pin one 305, articulated strip two 306 is equipped with one pair and connects in the left and right sides of articulated seat two 303 through pin two 307, be connected through pin three 308 between articulated strip one 304 and the articulated strip two 306, location strip 309 vertically welds in the front side of two articulated strip two 306 of the left and right sides, the centre of backup pad 201 is equipped with logical groove two 201b that supplies location strip 309 to pass. When the lithium battery 60 to be injected with liquid is to be conveyed to the lower side of the liquid injection mechanism 50, the piston rod of the telescopic cylinder 301 contracts to drive the second hinge strip 306 and the third positioning strip 309 to rotate clockwise 90 degrees around the third pin 308, so that the second positioning strip 309 is in a vertical state, and the second positioning strip 309 penetrates through the through groove 201b and the conveying belts 207 on the two sides when rotating. When the lithium battery 60 is obstructed by the positioning strip 309, the lithium battery 60 is positioned in the conveying direction of the conveying belt 207, so that the positioning work during the liquid injection of the lithium battery 60 is realized. After the lithium battery 60 finishes injecting liquid, the piston rod of the telescopic cylinder 301 extends to drive the second hinge strip 306 and the positioning strip 309 to rotate counterclockwise by 90 degrees around the third pin 308, so that the positioning strip 309 is in a horizontal state, and the positioning strip 309 penetrates through the through groove 201b and the conveying belts 207 on the two sides when rotating. When the lithium battery 60 is not obstructed by the positioning bar 309, it is transported away in the transporting direction of the transporting belt 207.
In this embodiment, the overhanging strips 401 are provided with two pairs and respectively installed on the upper sides of the installation strips 203 on both sides, the overhanging strips 401 are all outwards overhung and are vertically fixed with a first pin shaft 402 at the overhung end thereof, the first pin shaft 402 is rotatably installed with a pair of rotating strips 403, the clamping plate 404 is provided with a pair and is distributed in bilateral symmetry, the outer wall of the clamping plate 404 is symmetrically welded with a third hinge seat 4041 in the front and back direction, the front and back rotating strips 403 positioned on the same side are correspondingly connected with the front and back third hinge seats 4041 through a second pin shaft 406, the center of the outer wall of the clamping plate 404 is welded with a fourth hinge seat 4042, the fourth hinge seat 4042 is connected with a third pin shaft 407, the third hinge strip 408 is provided with a pair and is symmetrically connected with the left and right ends of the second pin 307, the third hinge strip 408 is in a Z-shaped structure and is outwards overhung, the linkage column 409 is provided with a pair of overhanging ends of the third hinge strips 408 vertically fixed on both sides, the linkage strip 410 is of a reversed-V-shaped structure and is connected to the upper ends of the linkage columns 409 at two sides, linkage grooves 410a for the pin shafts three 407 at two sides to pass through are symmetrically arranged on the linkage strip 410 left and right, and the pin shafts three 407 at the same side are in sliding fit with the linkage grooves 410 a. When the piston rod of the telescopic cylinder 301 contracts, the third hinge strip 408, the linkage column 410 and the linkage strip 410 move backwards, and then the third pin shaft 407, the clamping plate 404 and the rotating strip 403 move backwards, and meanwhile, the rotating strip 403 rotates 90 degrees around the first pin shaft 402, so that the clamping plates 404 on the two sides are close to each other, and then the lithium battery 60 to be injected is clamped in the middle. When the piston rod of the telescopic cylinder 301 extends, the third hinge bar 408, the linkage column 410 and the linkage bar 410 are driven to move forward, and then the third hinge pin 407, the clamping plate 404 and the rotating bar 403 are driven to move forward, and meanwhile, the rotating bar 403 rotates by 90 degrees around the first hinge pin 402, so that the clamping plates 404 on the two sides are far away from each other, and then the lithium battery 60 injected with liquid is released.
In this embodiment, the connecting plate 501 is horizontally disposed above the clamping mechanism 40, four corners of the connecting plate 501 are respectively mounted on the workbench 10 through a connecting column 502, the hydraulic cylinder 503 is vertically mounted on the upper side of the connecting plate 501, the electrolyte tank 504 is horizontally connected to the end of the piston rod of the hydraulic cylinder 503, the exhaust pipe 505 is connected to the upper portion of the left side of the electrolyte tank 504, the other end of the exhaust pipe 505 is connected to a first splitter 506, the split ports of the first splitter 506 are all connected to a first valve 507, the other end of the first valve 507 is connected to an external vacuum pump, the intake pipe 508 is connected to the upper portion of the right side of the electrolyte tank 504, the other end of the intake pipe 508 is connected to a second splitter 509, the split ports of the second splitter 509 are all connected to a second valve 510, and the other end of the second valve 510 is connected to an external nitrogen pressure source, drain pipe 511 is equipped with a pair ofly and evenly connects in the bottom of electrolyte case 504, it is equipped with a pair ofly and corresponds the bottom of connecting in two drain pipes 511 to annotate liquid pipe 512, exhaust tube 513 is equipped with a pair ofly and corresponds the junction of connecting in the drain pipe 511 on both sides and annotating liquid pipe 512, the outer end of exhaust tube 513 is connected to outside vacuum pump, guide post 514 is installed to the upside front and back symmetry of electrolyte case 504, guide post 514 passes through uide bushing 515 and connecting plate 501 sliding fit. The air in the electrolyte tank 504 is pumped out by connecting the exhaust pipe 505 with an external vacuum pump, the air inlet pipe 508 is connected with an external nitrogen pressure source, the hollow part of the electrolyte tank 504 is supplemented by nitrogen, the lower port of the liquid injection pipe 512 is abutted against the liquid injection port of the lithium battery 60 by extending the piston rod of the hydraulic cylinder 503, the air in the cavity of the lithium battery 60 is pumped out by connecting the exhaust pipe 513 with the external vacuum pump, and finally the electrolyte in the electrolyte tank 504 is filled into the cavity of the lithium battery 60 along the liquid outlet pipe 511 and the liquid injection pipe 512.
In this embodiment, a plurality of friction plates 405 are uniformly adhered to the inner wall of the clamping plate 404. By sticking the friction sheet 405, it is possible to prevent the contact surface of the lithium battery 60 from being scratched or pinched when the lithium battery 60 is clamped by the clamping plate 404.
In this embodiment, the lower side of the supporting plate 201 is symmetrically provided with a guide rail 411, the guide rail 411 is slidably provided with a sliding block 412, and the hinge strip three 408 on the same side is connected with the sliding block 412. By adding the upper guide rail 411, the overturning moment applied to the third hinge strip 408 can be overcome during the moving process of the third hinge strip 408.
In this embodiment, a plurality of vibration motors 413 are uniformly mounted on the outer wall of the clamping plate 404. By adding the vibration motor 413, the lithium battery 60 can be vibrated during the injection process, and the discharge of air bubbles in the injected electrolyte can be facilitated.
In the present embodiment, the injection device of the electrolyte in the lithium ion battery is applied in practice:
step 1: the lithium battery 60 is placed on the conveyor belts 207 on the two sides, the driving motor 211 can drive the connecting shaft 209 to rotate after being transmitted by a belt, the connecting shaft 209 drives the left and right mounting shafts 204 on the front side to rotate, the two mounting shafts 204 respectively drive the remaining mounting shafts 204 to rotate through corresponding chain transmission, further all the conveyor wheels 205 on the two sides are driven to rotate, finally the conveyor belts 207 on the two sides are driven to move, and further the lithium battery 60 to be injected is conveyed to the injection mechanism 50;
step 2: the piston rod of the telescopic cylinder 301 contracts to drive the second hinge strip 306 and the third positioning strip 309 to rotate clockwise 90 degrees around the third pin 308, so that the second positioning strip 309 is in a vertical state, the second positioning strip 309 penetrates through the through groove 201b and the conveying belts 207 on two sides during rotation, and when the lithium battery 60 is blocked by the second positioning strip 309, the lithium battery can be positioned in the conveying direction of the conveying belts 207;
and step 3: when a piston rod of the telescopic cylinder 301 contracts, the third hinge strip 408, the linkage column 410 and the linkage strip 410 move backwards, and then the third pin shaft 407, the clamping plate 404 and the rotating strip 403 move backwards, and meanwhile, the rotating strip 403 rotates around the first pin shaft 402 by 90 degrees, so that the clamping plates 404 on the two sides are close to each other, and the lithium battery 60 to be injected is clamped in the middle;
and 4, step 4: the air in the electrolyte tank 504 is pumped out by connecting the exhaust pipe 505 with an external vacuum pump, the air inlet pipe 508 is connected with an external nitrogen pressure source, the hollow part of the electrolyte tank 504 is supplemented by nitrogen, the lower port of the liquid injection pipe 512 is abutted against the liquid injection port of the lithium battery 60 by extending the piston rod of the hydraulic cylinder 503, the air in the cavity of the lithium battery 60 is pumped out by connecting the exhaust pipe 513 with the external vacuum pump, and finally the electrolyte in the electrolyte tank 504 is filled into the cavity of the lithium battery 60 along the liquid outlet pipe 511 and the liquid injection pipe 512.
And 5: by extending the piston rod of the telescopic cylinder 301, the second hinge strip 306 and the third positioning strip 309 can be driven to rotate counterclockwise by 90 degrees around the third pin 308, so that the second positioning strip 309 is in a horizontal state, and the second positioning strip 309 can pass through the through slot 201b and the conveyor belts 207 on the two sides when rotating. When the lithium battery 60 is not obstructed by the positioning strip 309, the lithium battery is conveyed away in the conveying direction of the conveying belt 207;
step 6: when a piston rod of the telescopic cylinder 301 extends, the third hinge strip 408, the linkage column 410 and the linkage strip 410 move forwards, and then the third pin shaft 407, the clamping plate 404 and the rotating strip 403 move forwards, and meanwhile, the rotating strip 403 rotates around the first pin shaft 402 by 90 degrees, so that the clamping plates 404 on the two sides are far away from each other, and the lithium battery 60 after liquid injection is released;
and 7: the driving motor 211 can drive the connecting shaft 209 to rotate after being transmitted by the belt, the connecting shaft 209 drives the left and right mounting shafts 204 at the front side to rotate, the two mounting shafts 204 drive the remaining mounting shafts 204 to rotate through the corresponding chain transmission respectively, so as to drive all the conveying wheels 205 at the two sides to rotate, finally drive the conveying belts 207 at the two sides to move, and further convey the lithium battery 60 which is injected with liquid from the liquid injection mechanism 50.
The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (4)
1. The utility model provides an injection device of electrolyte among lithium ion battery which characterized in that: including workstation (10), conveying mechanism (20), positioning mechanism (30), clamping mechanism (40) and annotate liquid mechanism (50), wherein:
the workbench (10) is horizontally arranged;
the lithium battery electrolyte injection machine is characterized in that the conveying mechanism (20) is arranged on the upper side of the workbench (10) and used for conveying lithium batteries (60) before and after electrolyte injection, the conveying mechanism (20) specifically comprises a supporting plate (201), supporting columns (202), mounting bars (203), a connecting shaft (209), a driving motor (211) and a first fixing plate (212), the supporting plate (201) is horizontally arranged above the workbench (10), four corners of the supporting plate (201) are respectively mounted on the workbench (10) through one supporting column (202), the mounting bars (203) are provided with a pair of supporting shafts and are symmetrically mounted on the upper side of the supporting plate (201), mounting shafts (204) are uniformly rotated on the mounting bars (203), the inner end and the outer end of each mounting shaft (204) are respectively in key connection with a conveying wheel (205) and a chain wheel (206), and the conveying wheels (205) positioned on the same side are connected through one conveying belt (207), the chain wheels (206) positioned on the same side are connected through a chain (208), the connecting shaft (209) is in keyed connection with a left mounting shaft (204) and a right mounting shaft (204) on the front side, a first synchronizing wheel (210) is in keyed connection with the connecting shaft (209), the driving motor (211) is horizontally arranged and is mounted on the lower side of the supporting plate (201) through a first fixing plate (212), an output shaft of the driving motor (211) is in keyed connection with a second synchronizing wheel (213), the first synchronizing wheel (210) and the second synchronizing wheel (213) are connected through a synchronous belt (214), and a first through groove (201 a) for the synchronous belt (214) to pass through is formed in the front side of the supporting plate (201);
the positioning mechanism (30) is arranged on the lower side of the conveying mechanism (20) and used for positioning when the lithium battery (60) is filled with liquid, the positioning mechanism (30) specifically comprises a telescopic cylinder (301), a second fixed plate (302), a first hinged strip (304), a second hinged strip (306) and a positioning strip (309), the telescopic cylinder (301) is horizontally arranged forwards and is installed on the lower side of the supporting plate (201) through the second fixed plate (302), the front side of the second fixed plate (302) is welded with a first hinged seat (3021), the tail end of a piston rod of the telescopic cylinder (301) is connected with a second hinged seat (303), the first hinged strip (304) is provided with a pair of hinges and is connected to the left side and the right side of the first hinged seat (3021) through a first pin (305), the second hinged strip (306) is provided with a pair of hinges and is connected to the left side and the right side of the second hinged seat (303) through a second pin (307), and the first hinged strip (304) and the second hinged strip (306) are connected through a third pin (308), the positioning strips (309) are vertically welded to the front sides of the left and right second hinge strips (306), and a second through groove (201 b) for the positioning strips (309) to pass through is formed in the middle of the supporting plate (201);
the clamping mechanism (40) is arranged on the upper side of the conveying mechanism (20) and used for clamping the lithium battery (60) during liquid injection, the clamping mechanism (40) specifically comprises two pairs of overhanging strips (401), clamping plates (404), three hinged strips (408), linkage columns (409) and linkage strips (410), the overhanging strips (401) are provided with two pairs of hanging strips and are respectively arranged on the upper sides of the mounting strips (203) on two sides, the overhanging strips (401) are outwards overhung and are vertically fixed with a first pin shaft (402) at the overhanging ends of the overhanging strips, the first pin shaft (402) is rotatably provided with a pair of rotating strips (403), the clamping plates (404) are symmetrically distributed in a pair and left-right manner, the front and back of the outer wall of the clamping plates (404) are symmetrically welded with three hinged seats (4041), the front and back rotating strips (403) positioned on the same side are respectively correspondingly connected to the front and back hinged seats (4041) through a second pin shaft (406), the middle of the outer wall of the clamping plate (404) is welded with a hinge seat four (4042), a hinge pin three (407) is connected onto the hinge seat four (4042), the hinge bar three (408) is provided with a pair of hinge bars three (408) which are symmetrically connected to the left end and the right end of the pin two (307), the hinge bar three (408) is of a Z-shaped structure and is arranged in an outward overhanging manner, the linkage column (409) is provided with a pair of overhanging ends of the hinge bar three (408) which are vertically fixed on the two sides, the linkage bar (410) is of a 'n' -shaped structure and is connected to the upper ends of the linkage columns (409) on the two sides, linkage grooves (410 a) for the hinge pins three (407) on the two sides to penetrate through are symmetrically arranged on the left side and the right side of the linkage bar (410), and the hinge pins three (407) and the linkage grooves (410 a) on the same side are in sliding fit;
the liquid injection mechanism (50) is arranged on the upper side of the clamping mechanism (40) and used for injecting liquid into the lithium battery (60), the liquid injection mechanism (50) specifically comprises a connecting plate (501), a connecting column (502), a hydraulic cylinder (503), an electrolyte tank (504), an exhaust pipe (505), an air inlet pipe (508), a liquid outlet pipe (511), a liquid injection pipe (512) and an air exhaust pipe (513), the connecting plate (501) is horizontally arranged above the clamping mechanism (40), four corners of the connecting plate (501) are respectively installed on the workbench (10) through the connecting column (502), the hydraulic cylinder (503) is vertically installed on the upper side of the connecting plate (501), the electrolyte tank (504) is horizontally connected to the tail end of a piston rod of the hydraulic cylinder (503), the exhaust pipe (505) is connected to the upper portion of the left side of the electrolyte tank (504), and the other end of the exhaust pipe (505) is connected with a shunt (506), all be connected with valve (507) on the diffluent mouth of shunt (506), the other end of valve (507) is connected to outside vacuum pump, intake pipe (508) is connected in the right side upper portion of electrolyte case (504), the other end of intake pipe (508) is connected with shunt two (509), all be connected with valve two (510) on the diffluent mouth of shunt two (509), the other end of valve two (510) is connected to outside nitrogen pressure gas source, drain pipe (511) are equipped with a pair and evenly connect in the bottom of electrolyte case (504), annotate liquid pipe (512) and be equipped with a pair and correspond the bottom of connecting in two drain pipes (511), aspiration tube (513) are equipped with a pair and correspond the junction of connecting in drain pipe (511) and notes liquid pipe (512) on both sides, the outer end of aspiration tube (513) is connected to outside vacuum pump, guide posts (514) are symmetrically arranged on the front and back of the upper side of the electrolyte tank (504), and the guide posts (514) are in sliding fit with the connecting plate (501) through guide sleeves (515).
2. The injection device of the electrolyte in the lithium ion battery according to claim 1, wherein: and a plurality of friction plates (405) are uniformly stuck on the inner wall of the clamping plate (404).
3. The injection device of the electrolyte in the lithium ion battery according to claim 1, wherein: guide rail (411) are installed to the downside bilateral symmetry of backup pad (201), slidable mounting has slider (412) on guide rail (411), and it is connected with slider (412) to lie in articulated strip three (408) with one side.
4. The injection device of the electrolyte in the lithium ion battery according to claim 1, wherein: and a plurality of vibration motors (413) are uniformly arranged on the outer wall of the clamping plate (404).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110649034.3A CN113270698B (en) | 2021-06-10 | 2021-06-10 | Injection device of electrolyte in lithium ion battery |
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| CN202110649034.3A CN113270698B (en) | 2021-06-10 | 2021-06-10 | Injection device of electrolyte in lithium ion battery |
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| CN113381138B (en) * | 2021-06-10 | 2022-06-28 | 芜湖天弋能源科技有限公司 | Liquid injection device for producing lithium ion battery |
| CN113851797B (en) * | 2021-10-15 | 2023-05-12 | 芜湖天弋能源科技有限公司 | Get rid of lithium cell and annotate equipment for liquid mouth electrolyte |
| CN114552148B (en) * | 2022-03-21 | 2022-07-12 | 深圳市格林晟科技有限公司 | Centrifugal battery liquid injection mechanism and liquid injection method thereof |
| CN115064848A (en) * | 2022-06-27 | 2022-09-16 | 鹤壁市诺信电子有限公司 | Liquid injection device and liquid injection method for lithium battery |
| CN117410580A (en) * | 2023-12-15 | 2024-01-16 | 珠海市嘉德电能科技有限公司 | Packaging equipment for lithium battery |
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| CN106058143B (en) * | 2016-08-19 | 2018-07-03 | 重庆市中欣维动力科技有限公司 | Lithium battery electrolytes liquid injection system with electrolyte Volatile Gas absorption function |
| CN108807831A (en) * | 2018-06-05 | 2018-11-13 | 大同新成新材料股份有限公司 | A kind of priming device for lithium battery electrolytes |
| CN211265606U (en) * | 2019-08-14 | 2020-08-14 | 大同新成新材料股份有限公司 | Lithium battery liquid injection device |
| CN110492052A (en) * | 2019-08-14 | 2019-11-22 | 大同新成新材料股份有限公司 | A kind of lithium battery priming device and its electrolyte filling method |
| CN110676477B (en) * | 2019-09-12 | 2021-03-02 | 深圳市科晶智达科技有限公司 | Automatic batch sample preparation method for button batteries |
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