CN110739482B - Polymer lithium battery filling cell packaging aluminum plastic film sealing machine and method - Google Patents
Polymer lithium battery filling cell packaging aluminum plastic film sealing machine and method Download PDFInfo
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- CN110739482B CN110739482B CN201911227305.5A CN201911227305A CN110739482B CN 110739482 B CN110739482 B CN 110739482B CN 201911227305 A CN201911227305 A CN 201911227305A CN 110739482 B CN110739482 B CN 110739482B
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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
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/116—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
- H01M50/124—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure
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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
Abstract
The invention relates to a polymer lithium battery cell filling packaging aluminum plastic film sealing machine and a method, and the machine comprises a bottom plate, a support frame, a pressing device, a bearing device, a clamping device and a sealing device, wherein the support frame is arranged at the upper end of the bottom plate and is of an L-shaped structure, and the pressing device is arranged on the inner end surface of the upper wall of the support frame. The invention can solve the problems that the side edge of the aluminum-plastic film cannot be rolled flat when the existing equipment is used for packaging and sealing the lithium battery filling cell by the aluminum-plastic film, the side edge of the aluminum-plastic film after heat sealing is easy to have the phenomena of wrinkles, bubbles and the like, the success rate of sealing is reduced, the aluminum-plastic film cannot be tensioned when the aluminum-plastic film is placed, the deviation is easy to occur at the two ends of the aluminum-plastic film during heat sealing, the heat sealing area is smaller, the stability after heat sealing is reduced, and simultaneously, the ear can not be protected during heat sealing, the ear is bent, broken and the like, so that the sealing fails and the like.
Description
Technical Field
The invention relates to the technical field of lithium battery processing, in particular to a sealing machine and a sealing method for a polymer lithium battery filling cell packaging aluminum plastic film.
Background
Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material. Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. The lithium ion battery does not contain lithium in a metal state, can be charged, and has the characteristics of high energy, long service life, light weight, environmental protection and the like, so that the lithium ion battery is widely applied to mobile phones, notebook computers, electric tools, electric vehicles, street lamp standby power supplies, navigation lamps, small household appliances and the like.
At present, when packaging and sealing are carried out on a lithium battery filling electric core by using an aluminum plastic film, the following defects generally exist: 1. when the conventional equipment is used for packaging and sealing the lithium battery cell, the side edge of the aluminum-plastic film cannot be rolled, the side edge of the aluminum-plastic film is prone to wrinkles, bubbles and the like after heat sealing, the success rate of sealing is reduced, the aluminum-plastic film cannot be tensioned when the aluminum-plastic film is placed, deviations are prone to occurring at two ends of the aluminum-plastic film during heat sealing, the heat sealing area is smaller, and the stability after heat sealing is reduced; 2. the existing equipment can not protect the tab when heat sealing is carried out on the lithium battery cell package, so that the tab is bent, broken and the like, and the sealing failure is caused.
Disclosure of Invention
Technical problem to be solved
The invention can solve the problems that the side edge of the aluminum-plastic film cannot be rolled flat when the existing equipment is used for packaging and sealing the lithium battery filling cell by the aluminum-plastic film, the side edge of the aluminum-plastic film after heat sealing is easy to have the phenomena of wrinkles, bubbles and the like, the success rate of sealing is reduced, the aluminum-plastic film cannot be tensioned when the aluminum-plastic film is placed, the deviation is easy to occur at the two ends of the aluminum-plastic film during heat sealing, the heat sealing area is smaller, the stability after heat sealing is reduced, and simultaneously, the ear can not be protected during heat sealing, the ear is bent, broken and the like, so that the sealing fails and the like.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme that the sealing machine for the polymer lithium battery filling cell packaging aluminum plastic film comprises a bottom plate, a supporting frame, a pressing device, a bearing device, a clamping device and a sealing device, wherein the supporting frame is installed at the upper end of the bottom plate and is of an L-shaped structure, the pressing device is installed on the inner end face of the upper wall of the supporting frame, the bearing device is arranged below the pressing device and is installed on the bottom plate, the clamping devices are symmetrically arranged in front of the bearing device and are installed on the bottom plate, the sealing device is arranged between the clamping devices, and the sealing device is connected with the bottom plate in a sliding fit mode.
The lower pressing device comprises an electric push rod, a lower pressing frame, a first telescopic rod, a lower pressing spring, a first heat insulation plate, a first heat sealing strip and a rolling mechanism, wherein the inner end surface of the upper wall of the supporting frame is uniformly provided with the electric push rod through a push rod seat, the lower end of the first electric push rod is provided with the lower pressing frame, the lower end surface of the front wall of the lower pressing frame is symmetrically provided with an arc-shaped groove, the lower end surface of the lower pressing frame is symmetrically provided with the first telescopic rod, the outer side of the first telescopic rod is provided with the lower pressing spring which is arranged on the lower pressing frame, the lower end of the first telescopic rod is provided with the first heat insulation plate which is in an L-shaped structure, the lower end of the first heat insulation plate is provided with the first heat sealing strip, the outer side of the lower pressing frame is symmetrically provided with the rolling mechanism, when the rolling mechanism is operated, firstly, the first electric push rod drives the rolling mechanism to roll the, thereby realize rolling the flat function to the plastic-aluminum membrane, later, heat-seal strip carries out the heat-seal to plastic-aluminum membrane side and topside and handles, and the arc wall and the utmost point ear cooperation of utmost point ear department can avoid utmost point ear to take place to press absolutely, and finally, manual closing electric putter, heat-seal strip reset.
The bearing and placing device comprises a bearing and placing table, a clamping plate, a clamping spring, a second heat insulation plate, a second heat sealing strip and a tensioning mechanism, wherein the bearing and placing table is arranged on a bottom plate, the middle part of the bearing and placing table is provided with a rectangular groove, the inner wall of the rectangular groove is connected with the clamping plate in a sliding fit manner, the inner side of the clamping plate is provided with the clamping spring, the clamping spring is arranged on a bearing and placing frame, the upper end of the front wall of the bearing and placing frame is symmetrically provided with an arc groove, the second heat insulation plate is arranged in the arc groove, the upper end of the second heat insulation plate is provided with the second heat sealing strip, the outer side of the bearing and placing table is symmetrically provided with the tensioning mechanism, the tensioning mechanism is connected with the bearing and placing table in a sliding fit manner, during specific work, firstly, a punched aluminum plastic film is placed on the bearing and placing table, then, an electric core is placed in a punching pit, the clamping, the tensioning mechanism is used for tensioning the aluminum-plastic film, so that the phenomena of folds, bubbles and the like of the aluminum-plastic film during heat sealing are avoided.
The clamping device comprises a clamping frame, a sliding block, a sliding rod, a clamping plate, a clamping spring, a second telescopic rod and a connecting spring, wherein the clamping frame is arranged on a bottom plate and is of an L-shaped structure, the sliding block is symmetrically arranged inside the clamping frame and is connected with the clamping frame in a sliding fit mode, a rectangular groove is formed inside the sliding block, the sliding rod is connected inside the sliding block in a sliding mode, the clamping plate is arranged at the outer end of the sliding rod and is positioned in the rectangular groove, the clamping spring is uniformly arranged outside the clamping plate and is arranged on the inner wall of the rectangular groove, the second telescopic rod is arranged on the front side of the sliding block positioned above the sliding block and is connected with the clamping frame in a sliding mode, the connecting spring is arranged on the outer surface of the second telescopic rod, the connecting spring is arranged on the front side of the sliding block, place the plastic-aluminum membrane on the grip block, grip block and sliding block cooperation realize carrying out the tight function of clamp to the plastic-aluminum membrane, later, the holding down frame downstream drives the sliding block motion, and two slide bar contact atress loosen the plastic-aluminum membrane, and finally, the roll flat mechanism promotes the sliding block, avoids the sliding block to hinder the heat-seal process.
As a preferred technical scheme of the invention, the sealing device comprises a sealing frame, a second electric push rod, a connecting plate, a third telescopic rod, a sealing spring, a third heat insulation plate and a third heat sealing strip, the sealing frame is connected on the bottom plate in a sliding way and is of an L-shaped structure, a second electric push rod is arranged on the inner end surface of the upper wall of the sealing frame, a connecting plate is arranged at the top end of the second electric push rod, a third telescopic rod is uniformly arranged at the lower end of the connecting plate, a sealing spring is arranged on the outer surface of the third telescopic rod, the lower end of the third telescopic rod is provided with a third heat insulation plate, the lower end of the third heat insulation plate is provided with a third heat sealing strip, when in specific work, the sealing frame is manually pushed, the second electric push rod is started, and the second electric push rod drives the third heat sealing strip to extrude the sealing position of the aluminum plastic film through the connecting plate, so that the function of performing heat sealing on the aluminum plastic film is realized.
As a preferred technical scheme of the invention, the roll-off mechanism comprises pin shaft seats, roll-off rods, roll-off wheels and return springs, the pin shaft seats are symmetrically arranged on the side wall of the lower pressing frame, the roll-off rods are connected to the pin shaft seats, the lower ends of the roll-off rods are connected with the roll-off wheels through bearings, the return springs are arranged between the two roll-off rods, and during specific work, the roll-off rods drive the roll-off wheels to roll the side edges of the aluminum-plastic film, so that the phenomena of folds, bubbles, uneven side edges and the like during heat sealing are avoided.
As a preferred technical scheme of the invention, the tensioning mechanism comprises a tensioning plate, a limiting plate, a tensioning roller, a fourth telescopic rod, a tensioning spring, a sliding plate and a reciprocating spring, the side wall of the bearing platform is connected with the sliding plate in a sliding fit manner, the rear end surface of the sliding plate is provided with the reciprocating spring, the reciprocating spring is installed on the bearing platform, the outer end surface of the sliding plate is provided with the fourth telescopic rod, the outer surface of the fourth telescopic rod is provided with the tensioning spring, the outer end surface of the fourth telescopic rod is provided with the tensioning plate, the upper end surface of the tensioning plate is provided with an inclined surface, the middle part of the tensioning plate is provided with the tensioning roller through a bearing, the upper end of the tensioning roller is provided with the limiting plate, the limiting plate is installed on the tensioning plate, the lower end surface of the limiting plate is uniformly provided with balls, when the tensioning mechanism works, the lower pressure, thereby the hindrance appears when having avoided the heat-seal, and the tensioning roller plays the effect of folding and support to the plastic-aluminum membrane.
According to the preferable technical scheme, the rubber pad is mounted on the clamping plate, and the anti-skid grains are arranged on the surface of the rubber pad.
As a preferred technical scheme of the invention, the lower end surface of the lower pressing frame is symmetrically provided with inclined surfaces, the surfaces of the inclined surfaces are provided with rollers, when the lower pressing frame works, the inclined surfaces are matched with the tensioning plate to realize the function of stretching the tensioning plate, and the rollers play a role in reducing friction.
In addition, the invention also provides a method for filling the polymer lithium battery into the battery cell packaging aluminum plastic film sealing machine, which specifically comprises the following steps:
s1: firstly, manually placing a punched aluminum-plastic film on a bearing platform, clamping one end of the aluminum-plastic film by a clamping device, manually placing a folded battery cell in an aluminum-plastic film punching pit, and finally, manually connecting the other end of the aluminum-plastic film with the clamping device by bypassing a tensioning mechanism;
s2: manually starting the first electric push rod, driving the first heat sealing strip by the first electric push rod through the lower pressing frame to perform edge sealing treatment on the side edge and the top edge of the aluminum plastic film, manually closing the first electric push rod, and resetting the first heat sealing strip;
s3: injecting electrolyte into the aluminum-plastic film through the sealing position in a manual mode, and then pumping out air in the aluminum-plastic film through an air pump;
s4: after the step S3 is finished, the sealing frame is pushed manually, a second electric push rod is started, and the second electric push rod carries out sealing treatment on the sealing position through a third heat sealing strip;
s5: and taking out the sealed lithium battery in a manual mode, and finishing sealing.
(III) advantageous effects
1. According to the sealing machine for the polymer lithium battery filling cell packaging aluminum plastic film, the adopted pressing device can roll the side edge of the aluminum plastic film when the aluminum plastic film is subjected to heat sealing, so that the aluminum plastic film can be effectively rolled, the phenomena of folds, bubbles and the like on the side edge after heat sealing are avoided, the aluminum plastic film is prevented from being cracked after heat sealing, and the success rate of sealing is improved;
2. according to the sealing machine for the polymer lithium battery filling cell packaging aluminum plastic film, the adopted lower bearing device is matched with the clamping device to tension the aluminum plastic film, so that the deviation of two ends of the aluminum plastic film after folding is avoided, the heat sealing area is increased, and the heat sealing stability is improved;
3. the sealing machine for the polymer lithium battery filling cell packaging aluminum plastic film can protect the pole ear of the battery cell during heat sealing, avoids the phenomena of bending, breaking and the like of the pole ear during heat sealing, and can completely match the heat sealing strip with the pole ear glue on the pole ear to completely seal the periphery of the pole ear, thereby improving the sealing property of the aluminum plastic film.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 2 in accordance with the present invention;
FIG. 5 is a cross-sectional view of B-B of FIG. 2 in accordance with the present invention;
FIG. 6 is a left side view of the present invention;
FIG. 7 is an enlarged view of the invention taken in the direction of N in FIG. 5;
fig. 8 is an enlarged view of the invention in the direction X in fig. 4.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 8, a polymer lithium battery filling cell packaging aluminum plastic film sealing machine comprises a bottom plate 1, a support frame 2, a pressing device 3, a holding device 4, a clamping device 5 and a sealing device 6, wherein the support frame 2 is installed at the upper end of the bottom plate 1, the support frame 2 is of an L-shaped structure, the pressing device 3 is installed on the inner end surface of the upper wall of the support frame 2, the holding device 4 is arranged below the pressing device 3, the holding device 4 is installed on the bottom plate 1, the clamping device 5 is symmetrically arranged in front of the holding device 4, the clamping device 5 is installed on the bottom plate 1, the sealing device 6 is arranged between the clamping device 5, and the sealing device 6 is connected with the bottom plate 1 in a sliding fit manner.
The pressing device 3 comprises an electric push rod 31, a lower pressing frame 32, a first telescopic rod 33, a pressing spring 34, a first heat insulation plate 35, a first heat sealing strip 36 and a rolling mechanism 37, the inner end surface of the upper wall of the support frame 2 is uniformly provided with the electric push rod 31 through a push rod seat, the lower end of the first electric push rod 31 is provided with the pressing frame 32, the lower end surface of the front wall of the pressing frame 32 is symmetrically provided with an arc-shaped groove, the lower end surface of the lower pressing frame 32 is symmetrically provided with the first telescopic rod 33, the outer side of the first telescopic rod 33 is provided with the pressing spring 34, the pressing spring 34 is arranged on the pressing frame 32, the lower end of the first telescopic rod 33 is provided with the first heat insulation plate 35, the first heat insulation plate 35 is of an L-shaped structure, the lower end of the first heat insulation plate 35 is provided with the first heat sealing strip 36, the outer side of the pressing frame 32 is symmetrically provided with the rolling mechanism 37, during specific, electric putter 31 drives roll flat mechanism 37 through pushing down frame 32 and rolls the roll extrusion to the plastic-aluminum membrane to the realization rolls flat function to the plastic-aluminum membrane, later, heat-seal strip 36 carries out the heat-seal processing to plastic-aluminum membrane side and topside, and the arc wall and the utmost point ear cooperation of utmost point ear department can avoid the utmost point ear to take place to press absolutely, and finally, manual electric putter 31 of closing, heat-seal strip 36 resets.
The inclined planes are symmetrically arranged on the lower end face of the lower pressing frame 32, the rollers are arranged on the surfaces of the inclined planes, when the tensioning device works specifically, the inclined planes are matched with the tensioning plate 461, the function of stretching the tensioning plate 461 is achieved, and the rollers play a role in reducing friction.
Roll flat mechanism 37 include round pin axle bed 371, roll flat pole 372, roll flat wheel 373 and reset spring 374, lower pressure frame 32 lateral wall on the symmetry install round pin axle bed 371, be connected with roll flat pole 372 on the round pin axle bed 371, roll flat pole 372 lower extreme is connected with roll flat wheel 373 through the bearing, install reset spring 374 between two roll flat poles 372, during specific work, roll flat pole 372 drives and rolls flat wheel 373 and roll extrusion to the plastic-aluminum membrane side to appear fold, bubble, phenomenon such as side irregularity when having avoided the heat-seal.
The bearing and placing device 4 comprises a bearing and placing table 41, a clamping plate 42, a clamping spring 43, a second heat insulation plate 44, a second heat sealing strip 45 and a tensioning mechanism 46, wherein the bearing and placing table 41 is arranged on the bottom plate 1, the middle part of the bearing and placing table 41 is provided with a rectangular groove, the inner wall of the rectangular groove is connected with the clamping plate 42 in a sliding fit manner, the inner side of the clamping plate 42 is provided with the clamping spring 43, the clamping spring 43 is arranged on a bearing and placing frame, the upper end of the front wall of the bearing and placing frame is symmetrically provided with an arc groove, the second heat insulation plate 44 is arranged in the arc groove, the upper end of the second heat insulation plate 44 is provided with the second heat sealing strip 45, the outer side of the bearing and placing table 41 is symmetrically provided with the tensioning mechanism 46, the tensioning mechanism 46 is connected with the bearing and placing table 41 in a sliding fit manner, during specific work, firstly, a punched aluminum plastic film is placed on the bearing and placing table 41, then is placed, and finally, manually winding the aluminum plastic film around the tensioning mechanism 46, and tensioning the aluminum plastic film by the tensioning mechanism 46, so that the phenomena of wrinkles, bubbles and the like of the aluminum plastic film during heat sealing are avoided.
The tensioning mechanism 46 comprises a tensioning plate 461, a limiting plate 462, a tensioning roller 463, a fourth telescopic rod 464, a tensioning spring 465, a sliding plate 466 and a reciprocating spring 467, wherein the side wall of the bearing platform 41 is connected with the sliding plate 466 in a sliding fit manner, the rear end surface of the sliding plate 466 is provided with the reciprocating spring 467, the reciprocating spring 467 is installed on the bearing platform 41, the outer end surface of the sliding plate 466 is provided with the fourth telescopic rod 464, the outer surface of the fourth telescopic rod 464 is provided with the tensioning spring 465, the outer end surface of the fourth telescopic rod 464 is provided with the tensioning plate 461, the upper end surface of the tensioning plate 461 is provided with a slope, the middle part of the tensioning plate 461 is provided with the tensioning roller 463 through a bearing, the upper end of the tensioning roller 463 is provided with the limiting plate 462, the limiting plate 462 is installed on the tensioning plate 461, the lower end surface of the limiting plate 462, tensioning plate 461 takes tensioning roller 463 out from the inside of plastic-aluminum membrane through No. four telescopic links 464 to appear hindering when having avoided the heat-seal, tensioning roller 463 plays the effect of folding and support to the plastic-aluminum membrane.
The clamping device 5 comprises a clamping frame 51, a sliding block 52, a sliding rod 53, a clamping plate 54, a clamping spring 55, a second telescopic rod 56 and a connecting spring 57, wherein the clamping frame 51 is installed on the bottom plate 1, the clamping frame 51 is of an L-shaped structure, the sliding block 52 is symmetrically arranged inside the clamping frame 51, the sliding block 52 is connected with the clamping frame 51 in a sliding fit mode, a rectangular groove is formed inside the sliding block 52, the sliding rod 53 is connected inside the sliding block 52 in a sliding manner, the clamping plate 54 is installed at the outer end of the sliding rod 53, the clamping plate 54 is positioned in the rectangular groove, the clamping spring 55 is uniformly arranged outside the clamping plate 54, the clamping spring 55 is installed on the inner wall of the rectangular groove, the second telescopic rod 56 is installed on the front side of the sliding block 52 above, the second telescopic rod 56 is connected with the clamping frame 51 in a sliding manner, the connecting spring 57 is installed on the outer surface, during specific work, firstly, the sliding rods are pushed manually, the aluminum-plastic film is placed on the clamping plate 54, the clamping plate 54 is matched with the sliding block 52, the function of clamping the aluminum-plastic film is achieved, then the lower pressing frame 32 moves downwards to drive the sliding block 52 to move, the two sliding rods 53 are in contact stress to loosen the aluminum-plastic film, and finally, the rolling mechanism 37 pushes the sliding block 52 to prevent the sliding block 52 from blocking the heat sealing process.
The clamping plate 54 is provided with the rubber pad, the surface of the rubber pad is provided with the anti-skid lines, and when the rubber pad clamps the aluminum-plastic film in specific work, scratches on the surface of the aluminum-plastic film can be avoided, and the anti-skid lines play a role in skid resistance.
The sealing device 6 comprises a sealing frame 61, a second electric push rod 62, a connecting plate 63, a third telescopic rod 64, a sealing spring 65, a third heat insulation plate 66 and a third heat sealing strip 67, the sealing frame 61 is connected on the bottom plate 1 in a sliding way, the sealing frame 61 is of an L-shaped structure, a second electric push rod 62 is arranged on the inner end surface of the upper wall of the sealing frame 61, a connecting plate 63 is arranged at the top end of the second electric push rod 62, a third telescopic rod 64 is uniformly arranged at the lower end of the connecting plate 63, a sealing spring 65 is arranged on the outer surface of the third telescopic rod 64, the lower end of the third telescopic rod 64 is provided with a third heat insulation plate 66, the lower end of the third heat insulation plate 66 is provided with a third heat sealing strip 67, when in specific work, the sealing frame 61 is manually pushed, the second electric push rod 62 is started, and the second electric push rod 62 drives the third heat sealing strip 67 to extrude the sealing position of the aluminum plastic film through the connecting plate 63, so that the function of performing heat sealing on the aluminum plastic film is realized.
In addition, the invention also provides a method for filling the polymer lithium battery into the battery cell packaging aluminum plastic film sealing machine, which specifically comprises the following steps:
s1: firstly, a punched aluminum-plastic film is manually arranged on a bearing platform 41, one end of the aluminum-plastic film is clamped by a clamping device 5, then a folded battery cell is manually placed in an aluminum-plastic film punching pit, and finally, the other end of the aluminum-plastic film bypasses a tensioning mechanism 46 and is connected with the clamping device 5 manually;
s2: manually starting the first electric push rod 31, driving the first heat sealing strip 36 by the first electric push rod 31 through the lower pressing frame 32 to seal the side edge and the top edge of the aluminum plastic film, and then manually closing the first electric push rod 31 and resetting the first heat sealing strip 36;
s3: injecting electrolyte into the aluminum-plastic film through the sealing position in a manual mode, and then pumping out air in the aluminum-plastic film through an air pump;
s4: after step S3 is finished, the sealing frame 61 is manually pushed, the second electric push rod 62 is started, and the second electric push rod 62 seals the sealed part through the third heat sealing strip 67;
s5: and taking out the sealed lithium battery in a manual mode, and finishing sealing.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a polymer lithium cell packs electric core packing plastic-aluminum membrane and seals machinery, includes bottom plate (1), support frame (2), pushes down device (3), holds puts device (4), clamping device (5) and closing device (6), its characterized in that: the device is characterized in that a support frame (2) is mounted at the upper end of the bottom plate (1), the support frame (2) is of an L-shaped structure, a pressing device (3) is mounted on the inner end face of the upper wall of the support frame (2), a bearing device (4) is arranged below the pressing device (3), the bearing device (4) is mounted on the bottom plate (1), clamping devices (5) are symmetrically arranged in front of the bearing device (4), the clamping devices (5) are mounted on the bottom plate (1), a sealing device (6) is arranged between the clamping devices (5), and the sealing device (6) is connected with the bottom plate (1) in a sliding fit manner; wherein:
the pressing device (3) comprises an electric push rod (31), a pressing frame (32), a telescopic rod (33), a pressing spring (34), a heat insulation plate (35), a heat sealing strip (36) and a rolling mechanism (37), the electric push rod (31) is uniformly arranged on the inner end face of the upper wall of the support frame (2) through a push rod seat, the pressing frame (32) is arranged at the lower end of the electric push rod (31), arc-shaped grooves are symmetrically arranged on the lower end face of the front wall of the pressing frame (32), the telescopic rod (33) is symmetrically arranged on the lower end face of the pressing frame (32), the pressing spring (34) is arranged on the outer side of the telescopic rod (33), the pressing spring (34) is arranged on the pressing frame (32), the heat insulation plate (35) is arranged at the lower end of the telescopic rod (33), the heat sealing strip (36) is arranged at the lower end of the heat insulation plate (35), the outer side of the lower pressing frame (32) is symmetrically provided with a rolling mechanism (37);
the bearing and placing device (4) comprises a bearing and placing table (41), a clamping plate (42), a clamping spring (43), a second heat insulation plate (44), a second heat sealing strip (45) and a tensioning mechanism (46), wherein the bearing and placing table (41) is installed on the base plate (1), a rectangular groove is formed in the middle of the bearing and placing table (41), the clamping plate (42) is connected to the inner wall of the rectangular groove in a sliding fit mode, the clamping spring (43) is arranged on the inner side of the clamping plate (42), the clamping spring (43) is installed on a bearing and placing frame, an arc groove is symmetrically formed in the upper end of the front wall of the bearing and placing frame, the second heat insulation plate (44) is installed inside the arc groove, the second heat sealing strip (45) is installed at the upper end of the second heat insulation plate (44), the tensioning mechanism (46) is symmetrically arranged on the outer side of the bearing and placing table (41), and the tensioning;
the clamping device (5) comprises a clamping frame (51), a sliding block (52), a sliding rod (53), a clamping plate (54), a clamping spring (55), a second telescopic rod (56) and a connecting spring (57), wherein the clamping frame (51) is installed on the bottom plate (1), the clamping frame (51) is of an L-shaped structure, the sliding block (52) is symmetrically arranged inside the clamping frame (51), the sliding block (52) is connected with the clamping frame (51) in a sliding fit mode, a rectangular groove is formed inside the sliding block (52), the sliding rod (53) is connected inside the sliding block (52) in a sliding mode, the clamping plate (54) is installed at the outer end of the sliding rod (53), the clamping plate (54) is located in the rectangular groove, the clamping spring (55) is uniformly arranged on the outer side of the clamping plate (54), the clamping spring (55) is installed on the inner wall of the rectangular groove, the second telescopic rod (56) is installed on the front, the second telescopic rod (56) is connected with the clamping frame (51) in a sliding mode, a connecting spring (57) is installed on the outer surface of the second telescopic rod (56), and the connecting spring (57) is installed on the front side of the sliding block (52) located below.
2. The polymer lithium battery filling cell packaging aluminum plastic film sealing machine of claim 1, characterized in that: closing device (6) including sealing frame (61), No. two electric putter (62), connecting plate (63), No. three telescopic link (64), sealing spring (65), No. three heat insulating board (66) and No. three heat-seal strip (67), sealing frame (61) sliding connection on bottom plate (1), sealing frame (61) is L type structure, seals and installs No. two electric putter (62) on the terminal surface in frame (61) upper wall, connecting plate (63) are installed on No. two electric putter (62) top, No. three telescopic link (64) are evenly installed to connecting plate (63) lower extreme, install on No. three telescopic link (64) surface and seal spring (65), No. three telescopic link (64) lower extreme install No. three heat insulating board (66), No. three heat-seal strip (67) are installed to No. three heat insulating board (66) lower extreme.
3. The polymer lithium battery filling cell packaging aluminum plastic film sealing machine of claim 1, characterized in that: roll flat mechanism (37) including round pin axle bed (371), roll flat pole (372), roll flat wheel (373) and reset spring (374), push down and install round pin axle bed (371) on the frame (32) lateral wall symmetrically, be connected with roll flat pole (372) on round pin axle bed (371), roll flat pole (372) lower extreme is connected with roll flat wheel (373) through the bearing, install reset spring (374) between two roll flat pole (372).
4. The polymer lithium battery filling cell packaging aluminum plastic film sealing machine of claim 1, characterized in that: the tensioning mechanism (46) comprises a tensioning plate (461), a limiting plate (462), a tensioning roller (463), a fourth telescopic rod (464), a tensioning spring (465), a sliding plate (466) and a reciprocating spring (467), wherein the side wall of the bearing platform (41) is connected with the sliding plate (466) in a sliding fit mode, the rear end face of the sliding plate (466) is provided with the reciprocating spring (467), the reciprocating spring (467) is installed on the bearing platform (41), the outer end face of the sliding plate (466) is provided with the fourth telescopic rod (464), the outer surface of the fourth telescopic rod (464) is provided with the tensioning spring (465), the outer end face of the fourth telescopic rod (464) is provided with the tensioning plate (461), the upper end face of the tensioning plate (461) is provided with a slope, the middle part of the tensioning plate (461) is provided with the tensioning roller (463) through a bearing, the upper end of the tensioning roller (463) is provided with the limiting plate (, the lower end surface of the limit plate (462) is uniformly provided with balls.
5. The polymer lithium battery filling cell packaging aluminum plastic film sealing machine of claim 1, characterized in that: the clamping plate (54) is provided with a rubber pad, and the surface of the rubber pad is provided with anti-skid grains.
6. The polymer lithium battery filling cell packaging aluminum plastic film sealing machine of claim 1, characterized in that: the lower end surface of the lower pressing frame (32) is symmetrically provided with inclined surfaces, and the surfaces of the inclined surfaces are provided with rollers.
7. The polymer lithium battery filling cell packaging aluminum plastic film sealing machine of claim 1, characterized in that: the method for filling the polymer lithium battery into the battery cell packaging aluminum plastic film sealing machine specifically comprises the following steps:
s1: firstly, a punched aluminum-plastic film is arranged on a bearing platform (41) in a manual mode, one end of the aluminum-plastic film is clamped by a clamping device (5), then a folded battery cell is manually placed in an aluminum-plastic film punching pit, and finally, the other end of the aluminum-plastic film bypasses a tensioning mechanism (46) and is connected with the clamping device (5) in a manual mode;
s2: manually starting the first electric push rod (31), driving the first heat sealing strip (36) to carry out edge sealing treatment on the side edge and the top edge of the aluminum-plastic film by the first electric push rod (31) through the lower pressing frame (32), and then manually closing the first electric push rod (31) and resetting the first heat sealing strip (36);
s3: injecting electrolyte into the aluminum-plastic film through the sealing position in a manual mode, and then pumping out air in the aluminum-plastic film through an air pump;
s4: after the step S3 is finished, the sealing frame (61) is pushed manually, the second electric push rod (62) is started, and the second electric push rod (62) carries out sealing treatment on the sealing position through the third heat sealing strip (67);
s5: and taking out the sealed lithium battery in a manual mode, and finishing sealing.
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| CN112599837B (en) * | 2020-12-16 | 2021-11-16 | 湖南诚跃新能源有限公司 | Manufacturing method of soft package lithium battery |
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| CN115258298A (en) * | 2022-09-26 | 2022-11-01 | 江苏福瑞士电池科技有限公司 | Heat sealing machine for flexible package lithium battery |
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Effective date of registration: 20201109 Address after: 341306 guantian Industrial Park, Chongyi Industrial Park, Ganzhou City, Jiangxi Province Applicant after: Jiangxi Hester new energy Co., Ltd Address before: 236500 Tianneng battery group (Anhui) Co., Ltd., Tianying Industrial Park, Jieshou City, Fuyang City, Anhui Province Applicant before: Jing Dongfeng |
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