CN113488732B - Secondary packaging process for aluminum plastic film - Google Patents
Secondary packaging process for aluminum plastic film Download PDFInfo
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- CN113488732B CN113488732B CN202110759201.XA CN202110759201A CN113488732B CN 113488732 B CN113488732 B CN 113488732B CN 202110759201 A CN202110759201 A CN 202110759201A CN 113488732 B CN113488732 B CN 113488732B
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- plastic film
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- aluminum plastic
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- 239000002985 plastic film Substances 0.000 title claims abstract description 54
- 229920006255 plastic film Polymers 0.000 title claims abstract description 54
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 47
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000008569 process Effects 0.000 title claims abstract description 21
- 238000009517 secondary packaging Methods 0.000 title claims abstract description 20
- 238000004806 packaging method and process Methods 0.000 claims abstract description 53
- 238000007789 sealing Methods 0.000 claims abstract description 31
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 21
- 238000009516 primary packaging Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 24
- 238000004080 punching Methods 0.000 claims description 6
- 230000001174 ascending effect Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000012858 packaging process Methods 0.000 abstract description 3
- 239000003292 glue Substances 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000012528 membrane Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
-
- 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
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/105—Pouches or flexible bags
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M50/183—Sealing members
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention provides an aluminum-plastic film secondary packaging process, which belongs to the field of lithium ion batteries and comprises the following steps of (S1) bagging, wherein a battery cell is packaged into an aluminum-plastic film bag; s2, primary top sealing; the battery cell and the aluminum plastic film are adhered together for half seal or full seal; s3, secondary top sealing; on the basis of primary packaging, continuously carrying out top sealing until the completion; and S4, side sealing. The invention adopts 2 times of packaging process, and improves the equipment efficiency to 17ppm while meeting the packaging strength of the aluminum plastic film.
Description
Technical Field
The invention belongs to the field of lithium ion batteries, relates to a lithium ion battery of a new energy automobile, and particularly relates to an aluminum plastic film secondary packaging process.
Background
The soft package lithium ion power battery packaging line is located in the middle section of the soft package power battery manufacturing process and is an essential production line in the production process of the soft package power battery. The packaging line comprises very important processes in the manufacture of the soft package power battery: manual feeding of plastic-aluminum membrane, automatic unreel, the plastic-aluminum membrane is drawn the material, the plastic-aluminum membrane dashes the shell, the plastic-aluminum membrane is decided, the plastic-aluminum membrane aligns, carousel on the plastic-aluminum membrane, the plastic-aluminum membrane fifty percent discount, the plastic-aluminum membrane cuts, the automatic/manual feeding of electric core, anchor clamps are gone into to the electric core, electric core location, electric core encapsulation at the bottom of the electric core top, electric core unloading, electric core side encapsulation, the electric core side cuts, electric core angular position encapsulation, electric core CCD detects, electric core NG collects, the automatic unloading of electric core. Integrating these very important processes into one device contributes to the precision and complexity of the packaging line equipment.
At present, soft package power battery packaging lines in the lithium ion power battery industry generally adopt 8-station rotating disc type layout design, wherein 8 stations respectively comprise aluminum plastic film feeding, aluminum plastic film folding, aluminum plastic film top and bottom cutting, aluminum plastic film air bag cutting, battery cell entering fixture, battery cell positioning, battery cell top and bottom packaging and battery cell blanking, the speed of the battery cell is 12ppm, the top sealing process time is 3S, the motion time of other auxiliary mechanisms is 2S, and a beat is completed by 5S clock, so that one device can only achieve 12ppm, the device speed is low, the productivity is small, and the efficiency of a production line is seriously influenced. The cost of building the line is high.
With the expansion of the capacity of the power battery and the increase of the labor cost, a high-speed and stable packaging line becomes an urgent solution for the production process of the lithium battery.
Disclosure of Invention
The invention aims to provide an aluminum plastic film secondary packaging process, solves the problems in the background technology, adopts the 2-time packaging process, meets the packaging strength of the aluminum plastic film, and improves the equipment efficiency to 17ppm.
In order to solve the technical problems, the invention adopts the technical scheme that: the secondary packaging process of the aluminum plastic film adopts a soft package lithium ion power battery packaging line and comprises the following steps,
s1, bagging, namely, filling the battery cell into an aluminum plastic film bag;
s2, primary top sealing; bonding the battery cell and the aluminum plastic film together for half sealing or full sealing;
s3, secondary top sealing; on the basis of primary packaging, continuously carrying out top sealing until the top sealing is finished;
and S4, side sealing.
Further, in step S2, the battery cell tab is positioned for 0.4S, the closing time of the packaging mechanism is 0.4S, the packaging time is 1.5S, the opening time of the packaging mechanism is 0.4S, and the total station time is 2.7S.
Further, the thickness of the aluminum plastic film seal is 290 +/-5 um.
Further, in step S3, the lowering time of the packaging mechanism is 0.4S, the packaging time is 1.9S, the raising time of the packaging mechanism is 0.4S, and the station time is 2.7S.
Further, the thickness of the plastic-aluminum film seal is 270 +/-5 um.
Furthermore, the rotation time of the first packaging turntable is 0.8S, the rest stations on the turntable are completed within 2.7S, and the station of the second packaging turntable is 2.7S.
Furthermore, the efficiency of a single aluminum plastic film shell punching mechanism in the packaging line of the soft package lithium ion power battery is 10ppm, and the efficiency of two aluminum plastic film shell punching mechanisms is 20ppm.
Further, soft packet of lithium ion power battery packaging line includes utmost point ear locating component, utmost point ear locating component includes the mounting panel, rises the cylinder and fixes a position the cylinder, the mounting panel sets firmly the fixed position on soft packet of lithium ion power battery packaging line's a packaging mechanism, the cylinder that rises is established on the mounting panel and control location cylinder up-and-down motion to make and utmost point ear upper and lower position correspond, the location cylinder is for pointing the cylinder, and the left and right directions of moving about to utmost point ear is pressed from both sides tightly and is fixed a position for two locating pieces on it.
Further, soft packet of lithium ion power battery packaging line includes a piece intermittent motion's carousel subassembly, and the carousel subassembly is including turning, turn fixed mounting and realize intermittent type through the decollator and rotate, the upper end outside of the surface equipartition of turning has a plurality of carousel anchor clamps, and the carousel anchor clamps carry out the centre gripping to electric core and realize the conversion of station spare.
Furthermore, an air path diverter is arranged on the rotary table assembly and communicated with an air pipe on the rotary table clamp to supply air to a pneumatic element on the rotary table clamp.
Compared with the prior art, the invention has the following advantages and positive effects.
1. The invention adopts a secondary packaging process, the primary packaging time is 1.5S, the secondary packaging time is 1.9S, the packaging time of the aluminum-plastic film is increased, the packaging strength of the aluminum-plastic film is met, the packaging strength of the aluminum-plastic film is improved, one cycle of the equipment is controlled to be 3.5S, and the equipment efficiency reaches 17ppm;
2. the invention works according to 2 times of packaging process, all stations can be completed within 2.7S, the rotation of the turntable is 0.8S, and the cycle time is 3.5S, so that the equipment efficiency reaches 17ppm, the packaging line efficiency is greatly improved, the production line efficiency can be increased by 40% under the condition that only one packaging mechanism is added to the original production line, and the production line construction cost and the later equipment maintenance cost are greatly reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation of the invention. In the drawings:
FIG. 1 is a schematic structural diagram of an aluminum-plastic film for an aluminum-plastic film secondary packaging process according to the present invention;
FIG. 2 is a schematic structural diagram of a first step of bagging in the secondary packaging process of the aluminum plastic film of the present invention;
FIG. 3 is a schematic structural diagram of the second step of the primary packaging in the secondary packaging process of the aluminum plastic film of the present invention;
FIG. 4 is a schematic structural diagram of a third step of secondary packaging in the aluminum plastic film secondary packaging process of the present invention;
FIG. 5 is a schematic structural diagram of a fourth step of side mounting in the secondary packaging process of the aluminum plastic film of the present invention;
fig. 6 is a side view of a tab positioning assembly of the present invention;
fig. 7 is a front view of the tab locating assembly of the present invention;
fig. 8 is a schematic structural view of the cooperation among a positioning cylinder, a tab and an end enclosure in the tab positioning assembly of the invention;
FIG. 9 is a top view of the turntable assembly of the present invention;
FIG. 10 is a front view of the turntable assembly of the present invention;
FIG. 11 is a side view of the turntable assembly of the present invention;
FIG. 12 is a schematic view of the package of the present invention;
fig. 13 is a schematic view showing the fitting of the tab and the tab glue according to the present invention;
FIG. 14 is a schematic illustration of seal thickness at different locations in accordance with the present invention.
Reference numerals:
1. an aluminum-plastic film; 11. a first pit; 12. a second pit; 2. an electric core; 3. a tab; 41. mounting a plate; 42. a lift cylinder; 43. positioning the air cylinder; 45. positioning blocks; 5. sealing the end; 51. an upper end enclosure; 52. a lower end enclosure; 53. an upper pole ear groove; 54. a lower pole ear groove; 6. a turntable assembly; 61. a swivel; 62. a divider; 63. a turntable clamp; 65. a gas path splitter; 66. an air tube; 68. a fixing plate; 7. and (5) gluing the tab.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The following detailed description of specific embodiments of the invention refers to the accompanying drawings.
And (3) tab: the positive pole lug is formed by wrapping pp glue on the upper surface and the lower surface of an aluminum plate, the negative pole lug is formed by wrapping pp layers on the upper surface and the lower surface of a copper plate, wherein the common thickness of the copper aluminum plate is 0.2-0.6mm, and the common thickness of the pp layers is 0.2-0.4mm.
And (3) packaging: the pp layer of the aluminum plastic film or the pp layer of the aluminum plastic film and the pp layer of the tab are subjected to pressure maintaining for a period of 180-220 degrees under the pressure action of a certain high-temperature seal head (made of metal materials such as copper and steel), and are compositely fused together to form a seal area which is high in strength, air-tight and liquid-tight.
As shown in fig. 1-5, the aluminum plastic film secondary packaging process adopts a soft package lithium ion power battery packaging line, the overall layout of the whole battery packaging line is introduced in the following patents in an integral and detailed way, and is also a product developed and applied by the company, CN202010967976.1 is a soft package lithium ion power battery packaging line, the invention takes the specification of a tab (copper sheet 0.2mm, pp glue thickness 0.2mm, width 11 mm) as the following description, the process of the invention comprises the following steps,
s1, bagging, namely filling the battery cell into an aluminum-plastic film bag, filling the battery cell 2 into a first pit 11 in the aluminum-plastic film bag 1, then folding along the central line of the aluminum-plastic film 1, and buckling a second pit 12 on the battery cell 2;
s2, primary top sealing; for half sealing or full sealing, a pair of end sockets is used for adhering pp glue (polypropylene) on the electric core tab and aluminum plastic film pp glue (polypropylene) together, the sealing width is 5mm, the sealing width is 3mm narrower than the width of the tab glue 7 on one side, as shown in fig. 14, t1 is the plastic film sealing thickness, t2 is the tab position sealing thickness, and the relative positions of the tab 3 and the tab glue 7 are shown in fig. 13;
s3, secondary top sealing; on the basis of primary packaging, another pair of seal heads is used for continuously carrying out top sealing until the sealing is completed, the width of the seal is 5.5mm, and the width of the seal is 0.5mm wider than that of the primary seal;
and S4, side sealing.
Further, in step S2, positioning the battery cell tab for 0.4S, closing time of a primary packaging mechanism for 0.4S, pressing the heated seal heads on the upper and lower aluminum-plastic films by the packaging mechanism from top to bottom, keeping packaging time for 1.5S, opening time of the packaging mechanism for 0.4S, and total station time for 2.7S; further, the thickness of the upper and lower layers of aluminum plastic film seal is reduced to 290 +/-5 um from the original thickness of 306um, the seal at the lug is 650um, the seal width is 5mm, wherein pp glue in the aluminum plastic film is dissolved by 15um, the dissolution rate of the pp glue is 10%, and the pp glue at the lug is also dissolved by 10%. The seal width is typically 4-8mm.
Further, in step S3, the secondary packaging mechanism descends for 0.4S, the packaging mechanism is pressed on the upper and lower aluminum-plastic films by a pair of high-temperature seal heads from top to bottom, the packaging time is 1.9S, the packaging mechanism ascends for 0.4S, and the station time is 2.7S; further, the thickness of the upper and lower aluminum plastic film seal is reduced from 290um to 270 +/-5 um, the seal at the pole lug is 630um, the seal width is 5.5mm, pp glue is dissolved to 36um, pp glue is dissolved to 22.5%, pp glue at the pole lug is dissolved to 22%, and the seal width is 0.5mm compared with the seal width of one time.
Preferably, the first encapsulating carousel rotates for 0.8S, the remaining stations on the carousel are completed within 2.7S, and the second encapsulating carousel is at 2.7S.
Preferably, the efficiency of a single aluminum plastic film 1 shell punching mechanism in the soft package lithium ion power battery packaging line is 10ppm, and the efficiency of two aluminum plastic film 1 shell punching mechanisms is 20ppm, so that the working efficiency is improved.
As shown in fig. 6-8, preferably, the soft package lithium ion power battery packaging line includes a tab 3 positioning assembly, the tab 3 positioning assembly includes a mounting plate 41, an ascending cylinder 42 and a positioning cylinder 43, the mounting plate 41 is fixedly disposed at a fixed position of a primary packaging station of the soft package lithium ion power battery packaging line, the ascending cylinder 42 is disposed on the mounting plate 41 and controls the positioning cylinder 43 to move up and down so as to correspond to the upper and lower positions of the tab 3, the positioning cylinder 43 is a finger cylinder, and two positioning blocks 45 disposed thereon move left and right to clamp and position the tab 3 in the left and right directions.
As shown in fig. 9-11, preferably, the soft package lithium ion power battery packaging line includes a rotating disc assembly 6 with an intermittent motion, the rotating disc assembly 6 includes a rotating body 61, the rotating body 61 is fixedly installed and realizes intermittent rotation through a divider 62, the divider 62 can be purchased directly from the market, the precision of the divider 62 is selected according to actual conditions, the minimum precision in the current market reaches several minutes, the requirement of the packaging line in the present application is met, a plurality of rotating disc clamps 63 are uniformly distributed on the outer ring of the upper end face of the rotating body 61, the rotating disc clamps 63 clamp the electric core 2 and realize the conversion of work pieces, and the rotating disc clamps 63 are fixed with the rotating body 61 through fixing plates 68; preferably, an air path diverter 65 is arranged on the turntable assembly 6, the air path diverter 65 is communicated with an air pipe 66 on the turntable clamp 63 to supply air to the pneumatic elements on the turntable clamp 63, so that the pneumatic elements such as an air cylinder on the turntable clamp 63 can conveniently act.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (4)
1. The secondary packaging process of the aluminum plastic film is characterized in that: the packaging line adopting the soft package lithium ion power battery comprises the following steps,
s1, bagging, namely filling the battery cell into an aluminum-plastic film bag;
s2, primary top sealing; bonding the battery cell and the aluminum plastic film together for half sealing or full sealing;
s3, secondary top sealing; on the basis of primary packaging, the top sealing is continued to be completed after the end socket is replaced;
s4, side sealing;
in the step S2, the battery cell tab is positioned for 0.4S, the closing time of the packaging mechanism is 0.4S, the packaging time is 1.5S, the opening time of the packaging mechanism is 0.4S, and the total station time in the step S2 is 2.7S; in the step S3, the descending time of the packaging mechanism is 0.4S, the packaging time is 1.9S, the ascending time of the packaging mechanism is 0.4S, and the station time in the step S3 is 2.7S;
the soft package lithium ion power battery packaging line comprises a tab positioning assembly, wherein the tab positioning assembly comprises a mounting plate, an ascending cylinder and a positioning cylinder, the mounting plate is fixedly arranged at a fixed position on a primary top sealing mechanism of the soft package lithium ion power battery packaging line, the ascending cylinder is arranged on the mounting plate and controls the positioning cylinder to move up and down so as to correspond to the upper position and the lower position of a tab, the positioning cylinder is a finger cylinder, and two positioning blocks on the finger cylinder move left and right to clamp and position the left and right directions of the tab;
the soft package lithium ion power battery packaging line comprises a turntable assembly moving intermittently, the turntable assembly comprises a rotating body, the rotating body is fixedly installed and realizes intermittent rotation through a divider, a plurality of turntable clamps are uniformly distributed on the outer ring of the upper end face of the rotating body, and the turntable clamps clamp an electric core and realize conversion of a station piece; and the air path diverter is arranged on the turntable assembly and communicated with an air pipe on the turntable clamp to supply air to a pneumatic element on the turntable clamp.
2. The aluminum-plastic film secondary packaging process of claim 1, characterized in that: after the step S2, the thickness of the upper and lower aluminum plastic film seals is reduced to 290 +/-5 mu m from the original thickness of 306 mu m.
3. The aluminum plastic film secondary packaging process of claim 1, characterized in that: after the step S2, the thickness of the upper and lower aluminum plastic film seals is reduced to 270 +/-5 mu m.
4. The aluminum-plastic film secondary packaging process of claim 1, characterized in that: the efficiency of a single aluminum plastic film shell punching mechanism in the soft package lithium ion power battery packaging line is 10ppm, and the efficiency of two aluminum plastic film shell punching mechanisms is 20ppm.
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| CN202110759201.XA CN113488732B (en) | 2021-07-05 | 2021-07-05 | Secondary packaging process for aluminum plastic film |
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| CN202110759201.XA CN113488732B (en) | 2021-07-05 | 2021-07-05 | Secondary packaging process for aluminum plastic film |
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| CN113488732B true CN113488732B (en) | 2023-01-17 |
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| CN104282945B (en) * | 2013-07-02 | 2017-03-15 | 万向一二三股份公司 | A kind of lithium ion battery aluminum plastic film hot sealing process |
| CN110148792A (en) * | 2019-05-28 | 2019-08-20 | 东莞市斯宇自动化设备有限公司 | A kind of tab follows the attached closedtop heat-sealing encapsulation of preheating |
| CN212303747U (en) * | 2020-04-11 | 2021-01-05 | 东莞朗尚智能科技有限公司 | Button type lithium battery top side sealing test all-in-one machine packaging device |
| CN212542524U (en) * | 2020-07-31 | 2021-02-12 | 天津市捷威动力工业有限公司 | Novel soft package lithium ion battery packaging line |
| CN111900487A (en) * | 2020-09-15 | 2020-11-06 | 天津市捷威动力工业有限公司 | Soft package lithium ion power battery packaging line |
| CN112467265B (en) * | 2020-11-25 | 2022-11-04 | 深圳市中基自动化股份有限公司 | High-efficient full-automatic soft packet of knot formula battery packaging machine |
| CN112968218A (en) * | 2021-03-29 | 2021-06-15 | 天津市捷威动力工业有限公司 | Method for enhancing package reliability of top and bottom seals of soft package battery |
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