CN211629237U - Vacuum heat sealing device for soft package lithium battery - Google Patents
Vacuum heat sealing device for soft package lithium battery Download PDFInfo
- Publication number
- CN211629237U CN211629237U CN201922426777.5U CN201922426777U CN211629237U CN 211629237 U CN211629237 U CN 211629237U CN 201922426777 U CN201922426777 U CN 201922426777U CN 211629237 U CN211629237 U CN 211629237U
- Authority
- CN
- China
- Prior art keywords
- puncture
- sealing
- plastic film
- heat
- vacuum box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
-
- 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
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model relates to a lithium cell production technical field specifically sets up a soft packet of lithium cell vacuum heat sealing device. The device comprises a vacuum box, a conveying mechanism, a pressing mechanism, a puncturing mechanism, an electrolyte absorbing mechanism, an upper heat-sealing mechanism, a lower heat-sealing mechanism, an auxiliary bearing mechanism and a roller mechanism, wherein the pressing mechanism, the puncturing mechanism, the electrolyte absorbing mechanism and the upper heat-sealing mechanism and the lower heat-sealing mechanism are all operated in the vacuum box. The utility model discloses can be with the cleaner of the air among the soft packet of lithium cell taking out, not worry simultaneously that there is new air to sneak into, the package can be as far as moreover when not taking out electrolyte, encapsulates the plastic-aluminum membrane at random, has guaranteed the subsequent performance of battery.
Description
Technical Field
The utility model relates to a lithium cell production technical field specifically sets up a soft packet of lithium cell vacuum heat sealing device.
Background
Soft packet of lithium cell structurally adopts the plastic-aluminum membrane packing, soft packet of lithium cell can only bloate the gas at most and split under the condition of taking place the potential safety hazard, be applied to the power automobile field on a large scale now, the electric core of soft packet of lithium cell and outer plastic-aluminum membrane encapsulation adopt vacuum packaging usually, through the puncture to the plastic-aluminum membrane, vacuum air bleed, processes such as heat-seal, the sealed evacuation about the place of puncture to the plastic-aluminum membrane is adopted to the technique of current soft packet of lithium cell heat-seal, if this kind of mode takes place the deviation easily from top to bottom sealing mechanism, the unable evacuation of air in the lithium cell, in the time of follow-up heat-seal, because the air that persists in the lithium cell, influence the appearance of lithium cell on the one hand, can.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a soft packet of lithium cell sealing device under vacuum environment.
The utility model provides a technical scheme that its technical problem adopted is:
a soft packet of lithium cell vacuum heat sealing device includes:
the vacuum box is used for providing a vacuum heat-sealing working environment and is provided with a view window assembly for checking internal work;
the conveying mechanism is used for conveying the carrier filled with the soft package lithium battery into the vacuum box and sealing the vacuum box;
the pressing mechanism is used for further pressing and fixing the soft package lithium battery conveyed by the conveying mechanism, fixing the battery cell of the soft package lithium battery and the aluminum plastic film wrapping the battery cell in the carrier and waiting for subsequent operation;
the lower end of the puncture mechanism is provided with a puncture assembly, the puncture assembly is provided with a plurality of puncture terminals, and the puncture mechanism downwards presses an aluminum-plastic film for puncturing and packaging the battery cell through the puncture terminals;
the electrolyte absorption mechanism is provided with a sucker assembly corresponding to the puncture assembly at the upper end, the sucker assembly is provided with a plurality of suckers, the suckers correspond to the puncture terminal up and down, the lower ends of the suckers are connected with a liquid drainage pipeline, the electrolyte absorption mechanism moves upwards, when the suckers contact the lower side of the aluminum plastic film of the soft package lithium battery, the electrolyte absorption mechanism stops moving, the suckers adsorb the aluminum plastic film, the puncture mechanism is waited to press and puncture the aluminum plastic film, after the aluminum plastic film is punctured, the vacuum box starts to vacuumize, gas in the aluminum plastic film is pumped away, and meanwhile the suckers suck away electrolyte which possibly flows out of an electric core in the aluminum plastic film;
the heat sealing mechanism comprises an upper heat sealing mechanism and a lower heat sealing mechanism, the upper heat sealing mechanism corresponds to the lower heat sealing mechanism up and down, and the heat sealing mechanism is used for heat sealing the aluminum plastic film of the soft package lithium battery after air and water are absorbed;
the work of the pressing mechanism, the puncturing mechanism, the electrolyte absorbing mechanism and the heat sealing mechanism is completed in the vacuum box.
Further, the piercing terminal comprises a piercing pin and a movable bushing, the piercing pin is fixedly arranged at the lower end of the piercing assembly, the movable bushing wraps the lower end of the piercing pin and can slide up and down, the outer diameter of the movable bushing is slightly smaller than the inner diameter of the sucker, when the sucker on the electrolyte absorption mechanism contacts the lower end of the soft package lithium battery aluminum plastic film, the sucker adsorbs the aluminum plastic film, the piercing mechanism drives the piercing assembly to move downwards, the movable bushing preferentially contacts the aluminum plastic film adsorbed above the sucker, the movable bushing is blocked by the aluminum plastic film, the piercing assembly drives the piercing pin to continue to move downwards for a certain distance to pierce the aluminum plastic film, the movable bushing presses the pierced aluminum plastic film above the sucker, the box starts to be vacuumized, and air in the aluminum plastic film is pumped away, and meanwhile, the sucker absorbs the electrolyte flowing out of the battery cell due to vacuumizing, and the electrolyte is discharged through the liquid discharge pipeline.
Furthermore, the puncture assembly also comprises convex guide shafts, and the convex guide shafts are arranged at the left end and the right end of the puncture terminals; the sucker component further comprises a concave guide shaft which vertically corresponds to the convex guide shaft, and the convex end of the lower end of the convex guide shaft is inserted into the groove in the upper end of the concave guide shaft to complete the guiding and positioning of the puncture mechanism and the electrolyte absorption mechanism.
Further, the vacuum box also comprises a pressure sensor, an air extraction port and a heater inlet and outlet, wherein the air extraction port extracts air in the vacuum box to form a vacuum working environment, and the heater inlet and outlet are used for loading an inlet and outlet of a heater heat source; the pressure sensor monitors pressure data in the vacuum box, when the pressure value in the vacuum box reaches a set value, the heat sealing mechanism starts to perform up-and-down heat sealing action to heat seal the aluminum plastic film
Preferably, the view window assembly comprises a transparent sealing plate, the transparent sealing plate is connected with the box body of the vacuum box in a sealing manner through a sealing ring, and then the transparent sealing plate is tightly pressed and fixed with the vacuum box through a plurality of view window switches on the vacuum box; the transparent sealing plate is provided with a handle convenient to detach.
Further, conveying mechanism is including sealed push pedal, delivery board, first briquetting subassembly, the carrier is fixed delivery board upper end is anterior for load treats the soft packet of lithium cell of heat-seal, the delivery board with sealed push pedal vertical fixation, first briquetting subassembly sets up delivery board upper end rear portion is used for pushing down soft packet of lithium cell in the carrier, sealed push pedal will the delivery board impels in the vacuum chamber, and with the vacuum chamber is fixed, sealed push pedal pass through the sealing washer with the vacuum chamber seals.
Further, the upper heat sealing mechanism and the lower heat sealing mechanism are respectively provided with a heat sealing knife at the upper part and the lower part, the upper heat sealing knife and the lower heat sealing knife are heated through a cylinder heater to carry out heat sealing on the aluminum plastic film, two sides of the upper heat sealing knife and the lower heat sealing knife are respectively provided with an insulating plate, and the upper heat sealing mechanism and the lower heat sealing mechanism are respectively provided with a temperature sensor for monitoring temperature.
Further, the device also comprises an auxiliary bearing mechanism for bearing the weight of the electrolyte absorption mechanism and preventing the electrolyte absorption mechanism from being damaged due to the fact that the puncture mechanism is pressed down too heavily.
Further, be close to in the vacuum chamber conveying mechanism's lower extreme is fixed with gyro wheel mechanism, and is convenient conveying mechanism smoothly steady transport soft packet of lithium cell arrives in the vacuum chamber.
Preferably, a plurality of fixing seats are arranged on the periphery of the vacuum box.
The utility model has the advantages that:
1. adopt the vacuum chamber, the heat-seal process is accomplished in vacuum environment, and the air in the soft packet of lithium cell can be taken out cleaner, need not worry simultaneously in sneaking into of air.
2. The vacuum box is provided with the pressure sensor, and through repeated tests, the aluminum-plastic film can be packaged immediately while the battery core electrolyte is not pumped out, so that the subsequent performance of the battery is guaranteed.
Drawings
FIG. 1 is a three-dimensional structure of the present invention;
FIG. 2 is an internal structural view of FIG. 1;
FIG. 3 is a side view of FIG. 2;
FIG. 4 is a block diagram of FIG. 3 labeled 2;
FIG. 5 is a block diagram of FIGS. 3 labeled 2 and 3;
FIG. 6 is a block diagram of FIG. 3 labeled 4;
FIG. 7 is a block diagram of FIG. 3 labeled 5;
FIG. 8 is a partial block diagram of FIG. 3 as indicated at 6;
FIG. 9 is a block diagram of FIG. 3 labeled 7;
labeled as:
1. the device comprises a vacuum box, 1.1, a view window assembly, 1.11, a transparent sealing plate, 1.12, a view window switch, 1.2, a pressure sensor, 1.3, an air extraction opening, 1.4, a heater inlet and outlet, 1.5 and a fixed seat;
2. the conveying mechanism comprises 2.1 parts of a sealing push plate, 2.2 parts of a conveying plate, 2.3 parts of a first pressing block assembly, 2.4 parts of a carrier;
3. the pressing mechanism comprises 3.1 parts of a pressing mechanism, 3.2 parts of a second pressing block and a buffer column;
4. a puncture mechanism 4.1, a puncture assembly 4.11, a puncture terminal 4.111, a puncture needle 4.112, a movable bush 4.12 and a convex guide shaft;
5. the electrolyte absorption mechanism comprises 5.1 parts of an electrolyte absorption mechanism, 5.11 parts of a sucker assembly, 5.12 parts of a concave guide shaft;
6. the heat sealing device comprises a heat sealing mechanism 6-1, an upper heat sealing mechanism 6-2, a lower heat sealing mechanism 6.1, a heat sealing knife 6.2, a cylinder heater 6.3, an insulating plate 6.4 and a temperature sensor;
7. auxiliary bearing mechanism, 7.1, supporting seat, 8, gyro wheel mechanism.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
A vacuum heat sealing device for a soft package lithium battery is shown in figures 1 and 2 and comprises a vacuum box 1 and a control module, wherein the vacuum box 1 is used for providing a working environment for vacuum heat sealing, and the vacuum box 1 is provided with a view window assembly 1.1 for checking internal work;
the conveying mechanism 2 is used for conveying the carrier 2.4 filled with the soft package lithium battery into the vacuum box 1 and sealing the vacuum box 1;
the pressing mechanism 3 is used for further pressing and fixing the soft-package lithium battery transmitted by the conveying mechanism 2, fixing the battery cell of the soft-package lithium battery and the aluminum plastic film wrapping the battery cell in the carrier 2.4 and waiting for subsequent operation;
the lower end of the puncture mechanism 4 is provided with a puncture assembly 4.1, the puncture assembly 4.1 is provided with a plurality of puncture terminals 4.11, and the puncture mechanism 4 downwards presses the aluminum-plastic film for puncturing and packaging the battery cell through the puncture terminals 4.11;
the upper end of the electrolyte absorption mechanism 5 is provided with a sucker assembly 5.1 which corresponds to the puncture assembly 4.1, the sucker assembly 5.1 is provided with a plurality of suckers 5.11, the suckers 5.11 correspond to the puncture terminal 4.11 up and down, the lower ends of the suckers 5.11 are connected with a liquid drainage pipeline, the electrolyte absorption mechanism 5 moves upwards, when the suckers 5.11 contact the lower side of the aluminum plastic film of the soft package lithium battery, the electrolyte absorption mechanism 5 stops moving, the suckers 5.11 absorb the aluminum plastic film, the aluminum plastic film is waited to be punctured by pressing the puncture mechanism 4, after the aluminum plastic film is punctured, the vacuum box 1 starts to vacuumize, gas in the aluminum plastic film is pumped away, and meanwhile, the suckers 5.11 suck away electrolyte which possibly flows out of the battery cell in the aluminum plastic film;
the heat sealing mechanism 6 comprises an upper heat sealing mechanism 6-1 and a lower heat sealing mechanism 6-2, the upper heat sealing mechanism 6-1 corresponds to the lower heat sealing mechanism 6-2 up and down, and heat seals the aluminum plastic film of the soft package lithium battery after air and water are absorbed;
the work of the pressing mechanism 3, the piercing mechanism 4, the electrolyte absorbing mechanism 5 and the heat-sealing mechanism 6 is completed in the vacuum box 1.
As shown in fig. 1, vacuum chamber 1 is including looking at window subassembly 1.1 of inner workings, pressure sensors 1.2, extraction opening 1.3, heater import and export 1.4 and a plurality of fixing base 1.5, window subassembly 1.1 is including transparent sealing plate 1.11 and a plurality of window switch 1.12 of looking, the front end at vacuum chamber 1 is fixed to a plurality of window switches 1.12 of looking, with transparent sealing plate 1.11 and vacuum chamber 1 fixed seal, seal through the sealing washer between transparent sealing plate 1.11 and the vacuum chamber 1, in order to facilitate transparent sealing plate 1.11's dismantlement, the transparent sealing plate front end is provided with the handle of being convenient for to take out. Transparent sealing plate 1.11 can make things convenient for the staff to look over the operational environment in the vacuum chamber in real time on the one hand, and the later stage is taken out transparent sealing plate 1.11 and can be conveniently changed and maintain internal mechanism on the other hand. Pressure sensor 1.2 monitoring vacuum chamber 1 interior pressure data punctures the mechanism 4 and punctures the plastic-aluminum membrane of soft packet of lithium cell after, vacuum chamber 1 is taken out the air in vacuum chamber 1 to the greatest extent through extraction opening 1.3, and when the pressure value in vacuum chamber 1 reached the setting value, heat-seal mechanism 6 began to carry out the heat-seal action about guiding, carries out the heat-seal to the plastic-aluminum membrane of soft packet of lithium cell. The two air pumping ports 1.3 are respectively arranged at the left side and the right side of the vacuum box 1. The heater inlet and outlet 1.4 is used for loading the inlet and outlet of the heater heat source. The vacuum box 1 is fixed on the workbench through a plurality of fixing seats 1.5 on the periphery.
As shown in fig. 2 and 3, the conveying mechanism 2 is provided at the rear end of the vacuum box 1, the pressing mechanism 3 is disposed at the upper end of the conveying mechanism 2, the upper and lower heat-seal mechanisms 6 are disposed up and down with respect to the conveying mechanism 2 at the front end of the pressing mechanism 3, and the piercing mechanisms 4 and the electrolyte absorbing mechanisms 5 are disposed up and down at the front ends of the upper and lower heat-seal mechanisms 6. The rear end in the vacuum box 1 is fixed with the roller mechanism 8 which is convenient for the conveying mechanism 2 to convey, so that the conveying mechanism 2 can convey the carrier with the soft package lithium battery into the vacuum box 1 stably.
As shown in fig. 4, a three-dimensional structure diagram of the conveying mechanism 2 is shown, which includes a sealing push plate 2.1, a conveying plate 2.2, a first pressing block assembly 2.3 and a carrier 2.4, the conveying plate 2.2 is vertically fixed at the front end of the sealing push plate 2.1, the carrier 2.4 is fixed on the upper surface of the front end of the conveying plate 2.2, a soft-package lithium battery to be vacuumized and heat-sealed is installed in the carrier 2.4, the first pressing block assembly 2.3 is arranged behind the carrier 2.4, the first pressing block assembly 2.3 is fixed on the conveying plate and used for pressing the rear end of the aluminum plastic film of the soft-package lithium battery in the carrier 2.4, and the front end of the aluminum plastic film of the soft-package lithium battery is exposed out of the front end. The sealing push plate 2.1 is stably pushed into the vacuum box 1 through the roller mechanism 8 in the vacuum box 1, the sealing push plate 2.1 is sealed with the vacuum box 1 through a sealing ring, and then the sealing push plate 2.1 is fixed at the rear end of the vacuum box 1.
As shown in fig. 5, which is a three-dimensional structure diagram of the conveying mechanism 2 and the pressing mechanism 3, the pressing mechanism 3 includes a second pressing block 3.1 and a buffer column 3.2, after the conveying mechanism 2 conveys the carrier with the soft-package lithium battery into the vacuum box 1, the pressing mechanism 3 drives the second pressing block 3.1 to move downwards by the cylinder, the battery core and the aluminum-plastic film of the soft-package lithium battery in the carrier 2.4 are pressed, the buffer column 3.2 is arranged on two sides of the second pressing block 3.1, and the battery core and the aluminum-plastic film in the carrier can be stably pressed by the second pressing block 3.1. The cylinder of the hold-down mechanism 3 is arranged at the upper end of the vacuum box 1, the two shaft levers penetrate through the upper end of the vacuum box and drive the second pressing block 3.1 to move up and down in the vacuum box 1, and the two shaft levers are connected with the upper end of the vacuum box through the sealing bearing.
As shown in fig. 6, a three-dimensional structure diagram of the puncture mechanism 4 is shown, which includes a puncture assembly 4.1, the puncture assembly 4.1 is driven by a cylinder to move up and down, the puncture assembly 4.1 includes a plurality of puncture terminals 4.11 and convex guide shafts 4.12 at left and right ends thereof, the puncture terminal 4.11 includes a puncture needle 4.111 and a movable bushing 4.112, the puncture needle 4.111 is fixedly disposed at a lower end of the puncture assembly 4.1, the movable bushing 4.112 wraps a lower end of the puncture needle 4.111 and can slide up and down, an outer diameter of the movable bushing 4.112 is slightly smaller than an inner diameter of the suction cup 5.11, when the suction cup 5.11 on the electrolyte absorbing mechanism 5 contacts a lower end of the aluminum plastic film of the soft-package lithium battery, the suction cup 5.11 adsorbs the aluminum plastic film, the puncture mechanism 4.1 drives the puncture assembly 4.1 to move down, the movable bushing 4.112 preferentially contacts the aluminum plastic film adsorbed above the suction cup 5.11, the movable bushing 4.112 is blocked by the aluminum plastic film, the puncture assembly 4.11 drives the puncture assembly 4, the movable bush 4.112 presses the punctured aluminum-plastic film above the suction cup 5.11, the vacuum box 1 starts to vacuumize, air in the aluminum-plastic film is pumped away, and meanwhile the suction cup 5.11 sucks electrolyte flowing out of the battery cell due to vacuumizing, and the electrolyte is discharged through the liquid discharge pipeline. The driving mechanism of the puncturing mechanism 4 is arranged at the upper end of the box body of the vacuum box 1 through a sealing bearing like the pressing mechanism 3.
As shown in fig. 7, a three-dimensional structure diagram of the electrolyte absorption mechanism 5 is shown, which includes a sucker assembly 5.1, the sucker assembly 5.1 is driven by a cylinder to move up and down, the sucker assembly 5.1 includes a plurality of suckers 5.11 and concave guide shafts 5.12 at the left and right ends of the suckers 5.11, the suckers 5.11 and the piercing terminals 4.11 on the piercing mechanism 4 correspond to each other up and down, the piercing terminals 4.11 can be inserted into the suckers 5.11, and a liquid discharge pipeline is connected below the suckers 5.1 for discharging electrolyte possibly flowing out from the battery core when the lithium battery is vacuumized. The left and right convex guide shafts 4.12 at the lower end of the puncturing component 4.1 and the left and right concave guide shafts 5.12 at the upper end of the sucker component 5.1 correspond to each other up and down, and the convex ends at the lower ends of the left and right convex guide shafts 4.12 are inserted into the grooves at the upper ends of the left and right concave guide shafts 5.12, so that the guiding and positioning of the puncturing mechanism 4 and the electrolyte absorption mechanism 5 are completed. The driving mechanism of the electrolyte absorbing mechanism 5 is arranged at the lower end of the box body of the vacuum box 1 through a sealing bearing like the pressing mechanism 3.
As shown in fig. 8, which is a structural diagram of the heat-sealing tool bit of the upper and lower heat-sealing mechanism 6, the upper and lower heat-sealing mechanisms 6-1 and 6-2 are respectively provided with a heat-sealing knife 6.1 for heat-sealing the aluminum-plastic film at the upper and lower sides, the cylinder drives the upper and lower heat-sealing mechanisms to move up and down, the upper and lower heat-sealing knives 6.1 heat the aluminum-plastic film through a cylinder heater 6.2, and then the heat is transmitted to the aluminum-plastic film through the heat-sealing knife 6.1, so as to realize the heat-sealing of the aluminum-plastic film, the insulation plates 6.2 are fixed at both sides of the upper and lower heat-sealing knives 6.1, meanwhile, the upper and lower heat-sealing tools are provided with temperature sensors 6.4 for detecting the temperature, and the temperature sensors 6.4 are. The driving mechanism of the upper heat-sealing mechanism 6-1 is arranged at the upper end of the box body of the vacuum box 1 through a sealing bearing like the pressing mechanism 3, the driving mechanism of the lower hot air mechanism 6-2 is arranged at the lower end of the box body of the vacuum box 1 through a sealing bearing like the pressing mechanism 3, and a heat source of the upper heat-sealing mechanism 6 and the lower heat-sealing mechanism 6 is transmitted in through a heater inlet and outlet 1.4 on the vacuum box 1.
As shown in fig. 9, in order to provide a three-dimensional structure of the auxiliary bearing mechanism 7, the auxiliary bearing mechanism 7 is disposed at the lower portion of the cylinder of the electrolyte absorption mechanism 5, and is used for bearing the weight of the electrolyte absorption mechanism 5 and preventing the cylinder of the electrolyte absorption mechanism 5 from being crushed, the auxiliary bearing mechanism 7 comprises a support 7.1 driven by the cylinder and moving back and forth on a slide rail, when the electrolyte absorption mechanism 5 moves upward to adsorb and fix the aluminum plastic film of the lithium battery, the support 7.1 on the auxiliary bearing mechanism 7 is driven by the cylinder to move forward to the lower end of the cylinder of the electrolyte absorption mechanism 5, when the piercing mechanism 4 moves downward to pierce the aluminum plastic film of the lithium battery, the convex guide shafts 4.12 at the two ends of the piercing mechanism 4 are inserted into the concave guide shafts 5.12 at the two ends of the electrolyte absorption mechanism, so as to transmit the pressure of the piercing mechanism 4 to the electrolyte absorption mechanism 5, so as to transmit the pressure to the, the driving cylinder of the electrolyte absorption mechanism 5 is prevented from being crushed.
The heat sealing process of the heat sealing device of the soft package lithium battery is as follows:
a: loading an aluminum-plastic film provided with a battery cell into a carrier 2.4 on a conveying mechanism 2, pressing the aluminum-plastic film in the carrier by a first pressing block assembly 2.3, conveying the soft-packaged lithium battery into a vacuum box 1 by the conveying mechanism 2, and sealing and fixing a sealing push plate 2.1 of the conveying mechanism 2 and the rear end of the vacuum box 1;
b: the electrolyte absorption mechanism 5 is driven by the cylinder to move upwards to adsorb the aluminum-plastic film until the puncture mechanism 4 is pressed downwards to puncture, meanwhile, the auxiliary bearing mechanism 7 is pushed forwards, and the supporting seat 7.1 slides to the lower end of the cylinder of the electrolyte absorption mechanism 5;
c: the puncturing mechanism 4 is started by a cylinder to be pressed downwards, and a puncturing needle at the lower end of the puncturing mechanism 4 punctures the aluminum-plastic film through guiding and positioning of the convex guide shafts 4.12 at the two ends and the concave guide shaft 5.12 on the electrolyte absorption mechanism 5;
d: the vacuum box 1 starts to be vacuumized, air in the aluminum-plastic film is pumped out, the plurality of suckers on the electrolyte absorption mechanism 5 continuously absorb water, and electrolyte flowing out of the battery cell due to vacuumizing is discharged;
e: when the pressure sensor detects that the air pressure value in the vacuum box 1 reaches a system set value, the upper and lower heat-sealing mechanisms 6 are guided to synchronously move up and down to heat-seal the aluminum-plastic film of the aluminum battery;
f: after the heat sealing is finished, the heat sealing mechanism 6 and the puncture mechanism 4 reset, the auxiliary bearing mechanism 7 resets, the electrolyte absorption mechanism 5 resets, the pressing mechanism 3 resets, the vacuum box 1 conducts gas transmission and resets, the conveying mechanism 2 takes out the lithium battery which is subjected to heat sealing, and the step A conducts heat sealing of the next lithium battery again.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a soft packet of lithium cell vacuum heat sealing device which characterized in that: the method comprises the following steps:
the vacuum box (1) is used for providing a vacuum heat-sealing working environment, and the vacuum box (1) is provided with a view window assembly (1.1) for checking internal work;
the conveying mechanism (2) is used for conveying a carrier (2.4) filled with a soft package lithium battery into the vacuum box (1) and sealing the vacuum box (1);
the pressing mechanism (3) is used for further pressing and fixing the soft package lithium battery conveyed by the conveying mechanism (2), fixing the battery cell of the soft package lithium battery and the aluminum plastic film wrapping the battery cell in the carrier (2.4) and waiting for subsequent operation;
the battery cell puncture device comprises a puncture mechanism (4), wherein a puncture assembly (4.1) is arranged at the lower end of the puncture mechanism (4), a plurality of puncture terminals (4.11) are arranged on the puncture assembly (4.1), and the puncture mechanism (4) downwards presses an aluminum-plastic film for puncturing and packaging a battery cell through the puncture terminals (4.11);
an electrolyte absorbing mechanism (5), the upper end of which is provided with a sucker component (5.1) which is mutually corresponding to the puncture component (4.1), a plurality of suckers (5.11) are arranged on the sucker component (5.1), the suckers (5.11) are vertically corresponding to the piercing terminals (4.11), the lower ends of the suckers (5.11) are connected with a liquid drainage pipeline, the electrolyte absorption mechanism (5) moves upwards, when the plurality of suckers (5.11) contact the lower part of the aluminum plastic film of the soft package lithium battery, the electrolyte absorption mechanism (5) stops moving, the sucking discs (5.11) adsorb the aluminum-plastic film and wait for the puncturing mechanism (4) to puncture the aluminum-plastic film, after the aluminum-plastic film is punctured, the vacuum box (1) starts to vacuumize to pump away the gas in the aluminum-plastic film, meanwhile, the plurality of suckers (5.11) suck away electrolyte possibly flowing out of the battery cells in the aluminum-plastic film;
the heat sealing mechanism (6) comprises an upper heat sealing mechanism (6-1) and a lower heat sealing mechanism (6-2), the upper heat sealing mechanism (6-1) corresponds to the lower heat sealing mechanism (6-2) up and down, and the aluminum plastic film of the soft package lithium battery after air and water are absorbed is subjected to heat sealing;
the work of the pressing mechanism (3), the puncturing mechanism (4), the electrolyte absorbing mechanism (5) and the heat sealing mechanism (6) is completed in the vacuum box (1).
2. The vacuum heat sealing device for the soft package lithium battery as claimed in claim 1, wherein: the puncture terminal (4.11) comprises a puncture needle (4.111) and a movable bush (4.112), the puncture needle (4.111) is fixedly arranged at the lower end of the puncture component (4.1), the movable bush (4.112) wraps the lower end of the puncture needle (4.111) and can slide up and down, the outer diameter of the movable bush (4.112) is slightly smaller than the inner diameter of the sucker (5.11), when the sucker (5.11) on the electrolyte absorption mechanism (5) contacts the lower end of the soft package lithium battery aluminum plastic film, the sucker (5.11) absorbs the aluminum plastic film, the puncture mechanism (4) drives the puncture component (4.1) to move downwards, the movable bush (4.112) preferentially contacts the aluminum plastic film absorbed above the sucker (5.11), the movable bush (4.112) is blocked by the aluminum plastic film, and the puncture component (4.1) drives the puncture needle (4.111) to continue to move downwards for a distance, and (2) puncturing the aluminum-plastic film, pressing the punctured aluminum-plastic film above the sucker (5.11) by the movable bushing (4.112), vacuumizing the vacuum box (1) to pump away air in the aluminum-plastic film, and simultaneously sucking the electrolyte flowing out of the battery core due to vacuumizing by the sucker (5.11) and discharging the electrolyte through the liquid discharge pipeline.
3. The vacuum heat sealing device for the soft package lithium battery as claimed in claim 2, wherein: the puncture assembly (4.1) further comprises protruding guide shafts (4.12), and the protruding guide shafts (4.12) are arranged at the left end and the right end of the puncture terminals; sucking disc subassembly (5.1) still include with concave guiding axle (5.12) that protruding guiding axle (4.12) correspond from top to bottom, protruding end of protruding guiding axle (4.12) lower extreme is inserted accomplish in the recess of concave guiding axle (5.12) upper end puncture mechanism (4) with the guiding orientation of electrolyte absorption mechanism (5).
4. The vacuum heat sealing device for the soft package lithium battery as claimed in any one of claims 1 to 3, wherein: the vacuum box (1) further comprises a pressure sensor (1.2), an air extraction port (1.3) and a heater inlet and outlet (1.4), the air extraction port (1.3) extracts air in the vacuum box to form a vacuum working environment, and the heater inlet and outlet (1.4) is used for loading an inlet and outlet of a heater heat source; the pressure sensor (1.2) monitors pressure data in the vacuum box (1), and when the pressure value in the vacuum box (1) reaches a set value, the heat sealing mechanism (6) starts to execute up-down heat sealing action to heat seal the aluminum plastic film.
5. The vacuum heat sealing device for the soft package lithium battery as claimed in claim 4, wherein: the window viewing assembly (1.1) comprises a transparent sealing plate (1.11), the transparent sealing plate (1.11) is connected with the vacuum box (1) through a sealing ring in a sealing manner, and then is tightly pressed by a plurality of window viewing switches (1.12) on the vacuum box (1) to be fixed with the vacuum box (1) in a sealing manner; the transparent sealing plate (1.11) is provided with a handle which is convenient to disassemble.
6. The vacuum heat sealing device for the soft package lithium battery as claimed in claim 4, wherein: conveying mechanism (2) are including sealed push pedal (2.1), delivery board (2.2), first briquetting subassembly (2.3), carrier (2.4) are fixed delivery board (2.2) upper end is anterior for load treats the soft packet of lithium cell of heat-seal, delivery board (2.2) with sealed push pedal (2.1) vertical fixation, first briquetting subassembly (2.3) set up delivery board (2.2) upper end rear portion is used for pushing down the soft packet of lithium cell in carrier (2.4), sealed push pedal (2.1) will delivery board (2.2) impel in vacuum box (1), and with vacuum box (1) is fixed, sealed push pedal (2.1) through the sealing washer with vacuum box (1) seals.
7. The vacuum heat sealing device for the soft package lithium battery as claimed in claim 1 or 6, wherein: the upper heat-sealing mechanism (6-1) and the lower heat-sealing mechanism (6-2) are respectively provided with a heat-sealing knife (6.1) from top to bottom, the upper heat-sealing knife and the lower heat-sealing knife are heated by a cylinder heater 6.2 to carry out heat sealing on the aluminum plastic film, both sides of the upper heat-sealing knife and the lower heat-sealing knife are respectively provided with an insulating plate (6.2), and the upper heat-sealing mechanism and the lower heat-sealing mechanism (6) are respectively provided with a temperature sensor (6.4) for.
8. The vacuum heat sealing device for the soft package lithium battery as claimed in claim 7, wherein: the electrolyte absorption device is characterized by further comprising an auxiliary bearing mechanism (7) used for bearing the weight of the electrolyte absorption mechanism (5) and preventing the electrolyte absorption mechanism (5) from being damaged due to the fact that the puncture mechanism (4) is pressed down too much.
9. The vacuum heat sealing device for the soft package lithium battery as claimed in claim 8, wherein: be close to in vacuum box (1) the lower extreme of conveying mechanism (2) is fixed with gyro wheel mechanism (8), and is convenient conveying mechanism (2) smooth steady transport soft packet of lithium cell arrives in vacuum box (1).
10. The vacuum heat sealing device for the soft package lithium battery as claimed in claim 9, wherein: a plurality of fixing seats (1.5) are arranged on the periphery of the vacuum box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922426777.5U CN211629237U (en) | 2019-12-30 | 2019-12-30 | Vacuum heat sealing device for soft package lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922426777.5U CN211629237U (en) | 2019-12-30 | 2019-12-30 | Vacuum heat sealing device for soft package lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211629237U true CN211629237U (en) | 2020-10-02 |
Family
ID=72633510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922426777.5U Active CN211629237U (en) | 2019-12-30 | 2019-12-30 | Vacuum heat sealing device for soft package lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211629237U (en) |
-
2019
- 2019-12-30 CN CN201922426777.5U patent/CN211629237U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110518291B (en) | Soft packet of lithium cell encapsulation production facility | |
| CN111864247A (en) | Vacuumizing packaging mold and equipment and battery cell manufacturing system | |
| CN201266614Y (en) | Rotary table type vacuum air suction sealing machine | |
| CN109119700A (en) | Cell package equipment | |
| CN110957535A (en) | Vacuum heat sealing device for soft package lithium battery | |
| CN114361743B (en) | Liquid injection sealing equipment for lithium battery and application method of liquid injection sealing equipment | |
| CN211629237U (en) | Vacuum heat sealing device for soft package lithium battery | |
| CN111864246A (en) | Battery cell manufacturing system and method | |
| CN208360573U (en) | Sealing element sealing punctures the sealer vacuumized | |
| CN212571077U (en) | Battery cell manufacturing system | |
| CN209434333U (en) | Lithium battery is without chamber vacuum packaging machine | |
| CN218560302U (en) | Sealing machine is used in canned pear cream production | |
| CN215852027U (en) | Body fitting machine | |
| CN210350026U (en) | Soft packet of lithium cell equipment of punctureing of exhausting that ages | |
| CN215869505U (en) | Soft packet of lithium cell electricity core encapsulation equipment | |
| CN208674285U (en) | Cell package equipment | |
| CN112478317A (en) | Vacuum suction hot-pressing bag opening sealing mechanism in food packaging line | |
| CN211685887U (en) | Sealing and cutting device of vertical filling packaging machine | |
| CN209504313U (en) | A kind of multilayer charging guillotine | |
| CN111740142A (en) | Two equipment of sealing of laminate polymer battery | |
| CN110342006B (en) | Built-in heating type downward-pressing fresh fruit and vegetable preservative film packaging machine | |
| CN210926198U (en) | Soft packet of lithium cell air pocket processing apparatus of slice | |
| CN206541894U (en) | Exhaust equipment | |
| CN112992685A (en) | Fusion welding and liquid injection integrated production platform for heat conducting strip of mobile phone communication chip | |
| CN218299849U (en) | Battery air-extracting packaging machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |