CN110739482A - Aluminum plastic film sealing machine and method for packing cell filled with polymer lithium batteries - Google Patents
Aluminum plastic film sealing machine and method for packing cell filled with polymer lithium batteries Download PDFInfo
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- CN110739482A CN110739482A CN201911227305.5A CN201911227305A CN110739482A CN 110739482 A CN110739482 A CN 110739482A CN 201911227305 A CN201911227305 A CN 201911227305A CN 110739482 A CN110739482 A CN 110739482A
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- 238000007789 sealing Methods 0.000 title claims abstract description 124
- 239000002985 plastic film Substances 0.000 title claims abstract description 76
- 229920006255 plastic film Polymers 0.000 title claims abstract description 76
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 40
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 30
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229920000642 polymer Polymers 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000012856 packing Methods 0.000 title description 2
- 238000003825 pressing Methods 0.000 claims abstract description 49
- 238000004806 packaging method and process Methods 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 claims description 28
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000004080 punching Methods 0.000 claims description 4
- 239000003792 electrolyte Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 description 6
- 230000037303 wrinkles Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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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
-
- 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
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings 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
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Package Closures (AREA)
Abstract
The invention relates to polymer lithium battery filling cell packaging aluminum plastic film sealing machinery and a method thereof, which 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 in an L-shaped structure, and the pressing device is arranged on the inner end surface of the upper wall of the support frame.
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 aluminum-plastic films of polymer lithium battery-filled battery cores.
Background
The lithium battery is type battery with lithium metal or lithium alloy as negative electrode material and non-aqueous electrolyte solution, and can be divided into two types, i.e. lithium metal battery and lithium ion battery.
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 easy to wrinkle, bubble and the like after heat sealing, the sealing success rate is low, the aluminum-plastic film cannot be tensioned when the aluminum-plastic film is placed, deviation is easy to occur at two ends of the aluminum-plastic film during heat sealing, the heat sealing area is small, 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
() problems 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 sealing success rate is low, 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 the phenomena of bending, breaking and the like of a lug are caused due to the fact that the lug cannot be protected during heat sealing, 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 polymer lithium battery filling cell packaging aluminum plastic film sealing machinery 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 device is symmetrically arranged in front of the bearing device and is 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 a electric push rod, a lower pressing frame, a telescopic rod, a lower pressing spring, a heat insulation plate, a heat sealing strip and a rolling mechanism, wherein the inner end surface of the upper wall of the support frame is uniformly provided with the electric push rod through a push rod seat, the lower end of the 3 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 telescopic rod, the outer side of the 825 telescopic rod is provided with the lower pressing spring, the lower pressing spring is arranged on the lower pressing frame, the lower end of the telescopic rod is provided with the heat insulation plate, the heat insulation plate is of an L-shaped structure, the heat sealing strip is arranged at the lower end of the heat insulation plate, the rolling mechanism is symmetrically arranged at the outer side of the lower pressing frame, during specific work, firstly, the electric push rod is manually started, the electric push rod drives the rolling mechanism to roll the aluminum plastic film through the rolling mechanism, thereby realizing the rolling function of rolling the aluminum plastic film, then, the heat sealing strip is matched with the top edge, and the heat sealing strip, and the pole ear is prevented from being reset, and.
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.
According to preferred technical schemes, 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 to a bottom plate in a sliding mode, the sealing frame is of an L-shaped structure, the second electric push rod is mounted on the inner end face of the upper wall of the sealing frame, the connecting plate is mounted at the top end of the second electric push rod, the third telescopic rod is uniformly mounted at the lower end of the connecting plate, the sealing spring is mounted on the outer surface of the third telescopic rod, the third heat insulation plate is mounted at the lower end of the third telescopic rod, the third heat sealing strip is mounted at the lower end of the third heat insulation plate, the sealing frame is pushed manually during specific work, 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-.
As preferred technical schemes of the invention, the roll-off mechanism comprises a pin shaft seat, roll-off rods, roll-off wheels and a return spring, the pin shaft seat is symmetrically arranged on the side wall of the lower pressing frame, the roll-off rods are connected on the pin shaft seat, the lower ends of the roll-off rods are connected with the roll-off wheels through bearings, the return spring is 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.
According to preferable technical schemes, 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, wherein the side wall of the bearing platform is connected with the sliding plate in a sliding fit mode, the reciprocating spring is arranged on the rear end face of the sliding plate, the reciprocating spring is arranged on the bearing platform, the fourth telescopic rod is arranged on the outer end face of the sliding plate, the tensioning spring is arranged on the outer surface of the fourth telescopic rod, the tensioning plate is arranged on the outer end face of the fourth telescopic rod, the upper end face of the tensioning plate is provided with an inclined face, the tensioning roller is arranged in the middle of the tensioning plate through a bearing, the limiting plate is arranged at the upper end of the tensioning roller, the limiting plate is arranged on the tensioning plate, balls are uniformly arranged on the lower end face of the limiting plate, in specific work, the lower pressing frame moves downwards to drive the tensioning plate, the tensioning plate draws the tensioning roller out of the tensioning roller from the interior of.
According to preferable technical schemes, the rubber pad is mounted on the clamping plate, and the anti-skid grains are arranged on the surface of the rubber pad.
As preferred technical solutions of the invention, the lower end face of the lower pressure frame is symmetrically provided with inclined planes, the surfaces of the inclined planes are provided with rollers, when the device works, the inclined planes 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 packaging an aluminum plastic film and sealing a machine for filling the cell with polymer lithium batteries, which specifically comprises the following steps:
s1, firstly, manually placing the punched aluminum-plastic film on a bearing platform, clamping the end of the aluminum-plastic film by a clamping device, manually placing the folded battery cell in an aluminum-plastic film punching pit, and finally, manually connecting the aluminum-plastic film at the other end with the clamping device by bypassing a tensioning mechanism;
s2, manually starting the No. electric push rod, driving the No. heat sealing strip by the No. electric push rod through the lower pressing frame to seal the side edge and the top edge of the aluminum-plastic film, manually closing the No. electric push rod, and resetting the No. 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 in the following description with reference to the 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, polymer lithium battery filling cell packaging aluminum plastic film sealing machines include bottom plate 1, support frame 2, hold down device 3, hold and put device 4, clamping device 5 and closing device 6, bottom plate 1 upper end install support frame 2, support frame 2 is L type structure, install down device 3 on the terminal surface in the support frame 2 upper wall, be provided with below holding down device 4 below holding down device 3, hold and put device 4 and install on bottom plate 1, hold and put device 4 the place ahead symmetry and be provided with clamping device 5, clamping device 5 installs on bottom plate 1, clamping device 5 between be provided with closing device 6, closing device 6 is connected with bottom plate 1 through sliding fit's mode.
The pressing device 3 comprises a electric push rod 31, a pressing frame 32, a expansion link 33, a pressing spring 34, a heat insulation plate 35, a heat seal strip 36 and a rolling mechanism 37, wherein 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 3 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 pressing frame 32 is symmetrically provided with the expansion link 33, the outer side of the 825 expansion link 33 is provided with the pressing spring 34, the pressing spring 34 is arranged on the pressing frame 32, the lower end of the expansion link 33 is provided with the heat insulation plate 35, the heat insulation plate 35 is of an L-shaped structure, the lower end of the heat insulation plate 35 is provided with the heat seal strip 36, the rolling mechanism 37 is symmetrically arranged on the outer side of the pressing frame 32, during specific work, firstly, the electric push rod 31 is manually started, the pressing frame 31 is provided with the heat seal strip 31, the heat seal strip is used for driving the heat seal strip, and for preventing the heat seal strip from being matched with the top edge of the aluminum tab, thereby preventing the aluminum tab from being broken after the heat seal strip from being broken.
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 packaging an aluminum plastic film and sealing a machine for filling the cell with polymer lithium batteries, which specifically comprises the following steps:
s1, firstly, manually placing the punched aluminum-plastic film on a bearing platform 41, clamping the end of the aluminum-plastic film by a clamping device 5, then manually placing the folded battery cell in an aluminum-plastic film punching pit, and finally, manually connecting the aluminum-plastic film at the other end with the clamping device 5 by bypassing a tensioning mechanism 46;
s2, manually starting the No. electric push rod 31, driving the No. heat sealing strip 36 by the No. 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 manually closing the No. electric push rod 31 and the No. heat sealing strip 36 for resetting;
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)
- The sealing machine for the aluminum plastic film of the battery core packaging filled with the polymer lithium batteries comprises a bottom plate (1), a support frame (2), a pressing device (3), a bearing device (4), a clamping device (5) and a sealing device (6), and is characterized in that 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 face of the upper wall of the support frame (2), the bearing device (4) is arranged below the pressing device (3), the bearing device (4) is installed on the bottom plate (1), the clamping device (5) is symmetrically arranged in front of the bearing 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 mode, wherein:the pressing device (3) comprises an # electric push rod (31), a pressing frame (32), a # expansion link (33), a pressing spring (34), a 0 # heat insulation plate (35), a 1 # heat seal strip (36) and a rolling mechanism (37), wherein the inner end surface of the upper wall of the support frame (2) is uniformly provided with the 2 # electric push rod (31) through a push rod seat, the lower end of the # 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 pressing frame (32) is symmetrically provided with an # expansion link (33), the outer side of the # expansion link (33) is provided with the pressing spring (34), the pressing spring (34) is arranged on the pressing frame (32), the lower end of the # expansion link (33) is provided with the # 35), the # expansion link (35) is in an L-shaped structure, the lower end of the # heat insulation plate (35) is provided with the # heat insulation plate pressing frame (36);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 sealing machine for the polymer lithium battery filled cell packaging aluminum plastic film is characterized in that 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 to the bottom plate (1) in a sliding mode, the sealing frame (61) is of an L-shaped structure, the second electric push rod (62) is installed on the inner end face of the upper wall of the sealing frame (61), the connecting plate (63) is installed at the top end of the second electric push rod (62), the third telescopic rod (64) is evenly installed at the lower end of the connecting plate (63), the sealing spring (65) is installed on the outer surface of the third telescopic rod (64), the third heat insulation plate (66) is installed at the lower end of the third telescopic rod (64), and the third heat sealing strip (67) is installed at the lower end of the.
- 3. The kind of polymer lithium battery filling cell packaging aluminum-plastic film sealing machine of claim 1, characterized in that, the roll-off mechanism (37) includes a pin shaft seat (371), a roll-off lever (372), a roll-off wheel (373) and a return spring (374), the pin shaft seat (371) is symmetrically installed on the side wall of the lower pressing frame (32), the roll-off lever (372) is connected on the pin shaft seat (371), the roll-off wheel (373) is connected to the lower end of the roll-off lever (372) through a bearing, and the return spring (374) is installed between the two roll-off levers (372).
- 4. The kind of polymer lithium battery filling cell packaging aluminum plastic film sealing machine of claim 1, characterized in that the tensioning mechanism (46) includes 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), the side wall of the bearing platform (41) is connected with the sliding plate (466) in a sliding fit manner, 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 fourth telescopic rod (464) is installed on the outer end face of the sliding plate (466), the tensioning spring (465) is installed on the outer end face of the fourth telescopic rod (464), the tensioning plate (461) is installed on the outer end face of the fourth telescopic rod (464), the upper end face of the tensioning plate (461) is provided with an inclined face, the tensioning roller (463) is installed in the middle of the tensioning plate (461), the limiting plate (462) is installed on the tensioning plate (461), and balls are evenly installed on the lower end face of the limiting plate (462).
- 5. The sealing machine for polymer lithium battery filling cell packaging aluminum-plastic film of claim 1, wherein the clamping plate (54) is provided with a rubber pad, and the surface of the rubber pad is provided with anti-skid lines.
- 6. The sealing machine for polymer lithium battery filling cell packaging aluminum-plastic film of claim 1, wherein the lower end surface of the lower pressing frame (32) is symmetrically provided with inclined planes, and the surfaces of the inclined planes are provided with rollers.
- 7. The sealing machine for polymer lithium battery filled cell packaging aluminum plastic films of claim 1, wherein the method for sealing machine for polymer lithium battery filled cell packaging aluminum plastic films specifically comprises the following steps:s1, firstly, manually arranging the punched aluminum-plastic film on a bearing platform (41), clamping the end of the aluminum-plastic film by a clamping device (5), then manually placing the folded battery cell in an aluminum-plastic film punching pit, and finally, manually connecting the aluminum-plastic film at the other end with the clamping device (5) by bypassing a tensioning mechanism (46);s2, manually starting a No. electric push rod (31), driving a No. heat sealing strip (36) by the No. electric push rod (31) through a lower pressing frame (32) to seal the side edge and the top edge of the aluminum-plastic film, manually closing the No. electric push rod (31), and resetting the No. 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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| CN111733632A (en) * | 2020-07-03 | 2020-10-02 | 赵智勇 | Method for manufacturing electronic product buffer packaging piece |
| CN112078126A (en) * | 2020-09-16 | 2020-12-15 | 魏冬 | Lithium cell thermal treatment pad pasting device |
| CN112599837A (en) * | 2020-12-16 | 2021-04-02 | 南京恒捷达机械制造有限公司 | Manufacturing method of soft package lithium battery |
| CN112864439A (en) * | 2020-12-21 | 2021-05-28 | 湖南久森新能源有限公司 | Multi-temperature heat sealing machine for lithium battery |
| CN114039081A (en) * | 2021-11-09 | 2022-02-11 | 襄阳惠强新能源材料科技有限公司 | Lithium battery diaphragm stretcher prevents fold anchor clamps |
| 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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