CN115882037A - Polymer battery packaging line - Google Patents

Polymer battery packaging line Download PDF

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Publication number
CN115882037A
CN115882037A CN202211739673.XA CN202211739673A CN115882037A CN 115882037 A CN115882037 A CN 115882037A CN 202211739673 A CN202211739673 A CN 202211739673A CN 115882037 A CN115882037 A CN 115882037A
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CN
China
Prior art keywords
battery cell
unit
battery
packaging
film
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Pending
Application number
CN202211739673.XA
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Chinese (zh)
Inventor
黄毅
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Suzhou Sunmicro Automation Technology Co ltd
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Suzhou Sunmicro Automation Technology Co ltd
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Priority to CN202211739673.XA priority Critical patent/CN115882037A/en
Publication of CN115882037A publication Critical patent/CN115882037A/en
Pending legal-status Critical Current

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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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  • Sealing Battery Cases Or Jackets (AREA)

Abstract

The invention relates to a polymer battery packaging line, which comprises a battery cell feeding unit, an aluminum film forming unit, a battery cell packaging unit and a film sticking unit, wherein the battery cell feeding unit is used for feeding a battery cell; the battery cell loading unit is used for conveying and detecting the battery cell; the aluminum film forming unit is used for punching and forming the aluminum-plastic film; the battery cell packaging unit is respectively connected with the battery cell feeding unit and the aluminum film forming unit and is used for placing the detected battery cell into the aluminum plastic film after pit punching and packaging; the film sticking unit is connected with the battery cell packaging unit and is used for sticking a protective film on the surface of the battery packaged by the battery cell packaging unit; the invention integrates the packaging process of the battery cell part, simplifies the manual operation link and improves the production efficiency of the battery; after the battery core is fed, the empty material tray is moved for recovery to realize cyclic feeding and improve the capacity; the yield and consistency of products are improved by setting the cell detection; the battery packaging line can be matched with different battery products through jigs such as an adjusting tray and the like, and the compatibility is strong.

Description

Polymer battery packaging line
Technical Field
The invention relates to the technical field of battery manufacturing, in particular to a polymer battery packaging line.
Background
The polymer power battery has high energy density and good safety and is widely applied to the field of new energy; in the production process of the polymer power battery, at least a series of operations such as battery core feeding, aluminum film processing, film pasting, side sealing and blanking are required, and in the existing production process, the polymer power battery has more processing stations, more dispersed station arrangement and unreasonable layout; part of the process flow needs manual operation, which affects the production efficiency and the product yield; the existing packaging production line cannot meet the capacity requirement of the process production.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the technical difficulties of scattered stations of a polymer battery packaging production line and low production efficiency of traditional manual packaging in the prior art, and provide a polymer battery packaging line which can be compatible with products in a certain range, saves labor cost and product yield and has high automation degree.
In order to solve the above technical problems, the present invention provides a polymer battery packaging line, comprising,
the battery cell loading unit is used for conveying and detecting the battery cells;
the aluminum film forming unit is used for punching and forming the aluminum-plastic film;
the battery cell packaging unit is respectively connected with the battery cell loading unit and the aluminum film forming unit and is used for placing the detected battery cell into the aluminum plastic film after pit punching and packaging;
and the film pasting unit is connected with the battery cell packaging unit and is used for pasting a protective film on the surface of the battery packaged by the battery cell packaging unit.
In an embodiment of the invention, the cell packaging unit includes a top cutting assembly, a pit entering folding assembly, a packaging detection assembly and a side sealing cutting assembly, which are sequentially connected, the top cutting assembly is connected with the aluminum film forming unit and is used for cutting the top of the aluminum-plastic film, and the cut aluminum-plastic film is conveyed to the pit entering folding assembly to be coated on the surface of the bare cell.
In one embodiment of the invention, the top cutting assembly comprises at least two cutting tables which are arranged oppositely, a cutting groove is formed in a gap between the cutting tables, the top cutting assembly further comprises a cutter which is arranged right above the cutting groove, the cutter is connected with a cutting driving source, and the cutting driving source drives the cutter to reciprocate in the vertical direction.
In an embodiment of the invention, the pit entering and turning assembly comprises at least one pair of rotating mechanisms, the rotating mechanisms are oppositely arranged, a placing platform is arranged between the rotating mechanisms, the placing platform is used for placing the cut aluminum-plastic film, and the aluminum-plastic film is tightly attached to the battery core when the placing platform rotates along with the rotating mechanisms.
In one embodiment of the invention, the packaging detection assembly comprises a top sealing station, a side sealing station, a corner sealing station and a short circuit detection station which are sequentially arranged along the running direction of the polymer battery packaging line.
In an embodiment of the invention, the film sticking unit comprises a material placing frame, a rotary table and a film sticking station, the material placing frame is used for placing a protective film material belt, one end of the protective film material belt is wound on a material roll, the other end of the protective film material belt is connected to the rotary table, and the film sticking station is arranged on the periphery of the rotary table.
In an embodiment of the present invention, the film sticking unit further includes a blanking gripper and a blanking transfer mechanism, the blanking transfer mechanism is disposed at one side of the film sticking station, and an extending direction of the blanking transfer mechanism is perpendicular to an unwinding direction of the protective film material tape; the blanking gripper contacts the film pasting station and clamps the battery to reciprocate on the blanking transfer mechanism.
In an embodiment of the invention, the battery cell feeding unit comprises two conveying lines arranged in parallel, and the two conveying lines comprise a feeding conveying line and a material tray conveying line which are opposite in conveying direction; the terminal connection electric core of the direction of transfer of material loading transmission line moves and carries the mechanism, the head end of the direction of transfer of charging tray transmission line connects the charging tray and moves and carries the mechanism.
In an embodiment of the present invention, the battery cell detection device further includes a battery cell detection unit, and two ends of the battery cell detection unit are respectively connected to the battery cell transfer mechanism and the battery cell encapsulation unit; the battery cell detection unit is used for detecting the loaded battery cell and transferring the battery cell to the battery cell packaging unit.
In an embodiment of the invention, the aluminum film forming unit comprises an unreeling assembly, a pit punching forming assembly and a wire opening assembly which are sequentially arranged along an aluminum film feeding direction.
Compared with the prior art, the technical scheme of the invention has the following advantages:
according to the polymer battery packaging line, the processes of feeding, detecting and pit entering of the battery core, stamping and coating of the aluminum plastic film and film pasting of the battery are integrated, the automation degree is high, compared with the existing production line, the manual operation link is simplified, and the battery capacity and the production efficiency are improved; after the battery core is fed, the empty material tray is moved for recovery to realize cyclic feeding and improve the capacity; the product yield and consistency are improved by setting the cell detection and the short circuit detection; the battery packaging line can be matched with different battery products through jigs such as an adjusting tray and the like, is suitable for various battery models, and is high in compatibility.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:
fig. 1 is a top view of a polymer battery packaging line in a preferred embodiment of the present invention;
fig. 2 is a schematic structural diagram of a cell loading unit in a preferred embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an aluminum film forming unit according to a preferred embodiment of the present invention;
fig. 4 is a schematic structural diagram of a part of a cell packaging unit in a preferred embodiment of the present invention;
fig. 5 is another partial structural schematic diagram of the cell packaging unit shown in fig. 4;
fig. 6 is a schematic structural view of a film sticking unit in a preferred embodiment of the present invention.
The specification reference numbers indicate: 1. a battery cell feeding unit; 11. a feeding conveyor line; 12. a material tray conveying line; 13. a battery cell transferring mechanism; 14. a tray transfer mechanism; 2. a battery cell detection unit; 3. an aluminum film forming unit; 31. an unwinding assembly; 311. unwinding rollers; 32. a pit punching forming assembly; 33. an opening assembly; 4. a battery cell packaging unit; 41. a top cutting assembly; 42. entering a pit and turning over the assembly; 43. a top sealing station; 44. a side sealing station; 45. a corner sealing station; 46. a short circuit detection station; 47. a side seal cutting assembly; 5. a film sticking unit; 51. a material placing frame; 52. a turntable; 53. a film pasting station; 54. protecting the film material belt; 55. a blanking gripper; 56. unloading moves and carries mechanism.
Detailed Description
The present invention is further described below in conjunction with the drawings and the embodiments so that those skilled in the art can better understand the present invention and can carry out the present invention, but the embodiments are not to be construed as limiting the present invention.
Examples
Referring to fig. 1, the invention provides a polymer battery packaging line, which comprises a battery cell loading unit 1, a battery cell detection unit 2, an aluminum film forming unit 3, a battery cell packaging unit 4 and a film pasting unit 5, wherein the battery cell loading unit 1 is used for loading a bare battery cell, the bare battery cell enters the battery cell packaging unit 4 after being detected by the battery cell detection unit 2, the battery cell packaging unit 4 further comprises an aluminum plastic film formed by punching the aluminum film forming unit 3, the aluminum plastic film is coated on the outer layer of the bare battery cell, the bare battery cell is packaged and detected by the battery cell packaging unit 4, and then a packaged battery semi-finished product is conveyed to the film pasting unit 5 to be pasted with a protective film, so that partial packaging operation of a battery production line is completed. The bare cell feeding detection device is high in integration level and good in automation degree, the bare cell can be circularly fed, the cell feeding detection link and the aluminum film punch forming are carried out simultaneously, and the production efficiency is improved.
Specifically, referring to fig. 1 and fig. 2, the battery cell feeding unit 1 is used for conveying a bare battery cell, the battery cell feeding unit 1 includes two conveying lines arranged in parallel, and the two conveying lines include a feeding conveying line 11 and a material tray conveying line 12, which are opposite in conveying direction; in some embodiments, the feeding conveyor line 11 adopts a feeding belt, and the tray conveyor line 12 is arranged as a lower empty tray belt; the feeding of the bare cell is realized by adopting a mode of conveying the material tray by the synchronous belt, so that the polymer battery packaging line has stronger compatibility, only the material tray jig needs to be replaced during production line replacement, and the productivity is improved. A material tray containing the bare cell is placed at one end of the feeding conveying line 11, the tail end of the conveying direction of the feeding conveying line 11 is connected with a cell transferring mechanism 13 to unload and transfer the bare cell, an empty material tray enters a material tray transferring mechanism 14, the material tray transferring mechanism 14 is connected with one end of the material tray conveying line 12, the empty material tray is transferred to a material preparation position, and circular feeding of the bare cell is formed; in some embodiments, the cell transferring mechanism 13 and the tray transferring mechanism 14 adopt a servo module or a cylinder conveying manner.
Further, referring to fig. 1, the polymer battery packaging line further includes a battery cell detection unit 2, and two ends of the battery cell detection unit 2 are respectively connected to the battery cell transfer mechanism 13 and the battery cell packaging unit 4; the battery cell detection unit 2 is used for detecting the quality of the loaded battery cell, and the naked battery cell passing the detection is transferred to the battery cell packaging unit 4 for pit packaging.
Specifically, the aluminum material has good barrier property, cold stamping forming property and insulating property, and the aluminum property is stable and is not easy to react with electrolyte, so that the polymer battery is generally packaged by using an aluminum film, and meanwhile, the size of the finished film aluminum material is large, so that when the surface of the bare cell is packaged, the aluminum film needs to be punched and cut firstly, and subsequent packaging is facilitated; referring to fig. 1 and 3, the aluminum film forming unit 3 includes an unwinding assembly 31, a pit punching forming assembly 32, and a line opening assembly 33, which are sequentially arranged along an aluminum film feeding direction. Unreel the subassembly 31 and include a plurality of parallel arrangement's unreel roller 311, unreel the aluminium membrane material area of rolling out and pass through in proper order unreel roller 311, through unreel the transfer direction of roller 311's set position change aluminium membrane, unreel roller 311 rotate with the aluminium membrane conveys towards pit punching forming subassembly 32.
Further, as shown in fig. 3, it includes the support body to dash pit forming assembly 32, the support body middle part is provided with the punching press board, the warp unreel subassembly 31 and emit the aluminium membrane convey to the punching press board surface, punching press board four corners is equipped with the reference column, the support body top is equipped with the briquetting, punching press drive arrangement is connected to the briquetting, punching press drive arrangement drive the vertical downstream of briquetting with the punching press board compound die, the punching press board corresponds the briquetting position is provided with dodges the groove, makes behind the compound die aluminium membrane surface stamping forming, and the warp 33 division lines of division line subassembly obtain the plastic-aluminum membrane of treating the encapsulation. It should be noted that, in this embodiment, the aluminum film forming unit 3 and the battery cell loading unit 1 operate simultaneously and are both disposed on one side of the battery cell packaging unit 4, so as to facilitate loading in the packaging and detection link, make the station setting of the battery packaging line more reasonable, and improve the productivity.
Specifically, referring to fig. 4 and 5, the cell packaging unit 4 includes a top cutting assembly 41, a pit entering turning assembly 42, a packaging detection assembly and a side sealing cutting assembly 47, which are sequentially connected, the top cutting assembly 41 is connected to the aluminum film forming unit 3, and is used for cutting the top of the aluminum-plastic film, and the cut aluminum-plastic film is conveyed to the pit entering turning assembly 42 to coat the bare cell; top cutting assembly 41 includes the cutting bed of two at least relative settings, clearance between the cutting bed forms cuts the cut groove, top cutting assembly 41 still including set up in cut the cutter directly over the groove, cut the cut groove and do the cutter falls and provides the space, the cutter is connected and is cut the driving source, cut the driving source drive the cutter is at vertical direction reciprocating motion.
Further, it includes an at least pair of rotary mechanism to go into hole a book subassembly 42, rotary mechanism sets up relatively, be provided with place the platform between the rotary mechanism, place the platform is used for placing the plastic-aluminum membrane after punching the hole shaping, opening the line and the top cuts, place the platform follows when rotary mechanism rotates the plastic-aluminum membrane contact electricity core, the plastic-aluminum membrane can with after stamping forming naked electric core's surface is hugged closely place the platform turn over a book in-process, the plastic-aluminum membrane cladding is outside and wait for carrying out subsequent banding at naked electric core.
Further, the packaging detection assembly comprises a top sealing station 43, a side sealing station 44, a corner sealing station 45 and a short circuit detection station 46 which are sequentially arranged along the running direction of the polymer battery packaging line; the top sealing station 43, the side sealing station 44 and the corner sealing station 45 are respectively provided with a heat sealing piece and a first driving mechanism inside, the first driving mechanisms in the top sealing station 43 and the corner sealing station 45 can drive the heat sealing piece to move in the vertical direction, and when the battery cell is conveyed to a heat sealing position along the operation direction of a sealing line, the driving mechanisms drive the heat sealing piece to be pressed on the top surface and the upper and lower sealing corners of the battery cell; a second driving mechanism is further arranged inside the side sealing station 44, and the second driving mechanism can drive the heat sealing member to press and heat seal the side edge of the battery cell along the conveying direction of the battery cell. The top sealing station 43, the side sealing station 44 and the angle sealing station 45 are arranged to enable the circulation efficiency of the packaging link to be higher, and the packaging precision is improved.
Specifically, referring to fig. 1 and fig. 6, the film attaching unit 5 is connected to the cell packaging unit 4, and is configured to attach a protective film to a surface of the battery packaged by the cell packaging unit 4. The film sticking unit 5 comprises a material placing frame 51, a rotary table 52 and a film sticking station 53, wherein the material placing frame 51 is used for placing a protective film material belt 54, one end of the protective film material belt 54 is wound on a material roll, the other end of the protective film material belt 54 is connected to the rotary table 52, and the film sticking station 53 is arranged on the periphery of the rotary table 52. Further, the film sticking unit 5 further comprises a blanking gripper 55 and a blanking transfer mechanism 56, wherein the blanking transfer mechanism 56 is arranged on one side of the film sticking station 53, and the extending direction of the blanking transfer mechanism 56 is perpendicular to the unreeling direction of the protective film material belt 54; the blanking gripper 55 contacts the film pasting station 53 and clamps the battery after film pasting, when the blanking gripper 55 moves to one end of the blanking transfer mechanism 56 far away from the film pasting work, the clamping jaw of the blanking gripper 55 is opened to complete blanking, and the blanking gripper 55 is driven to reciprocate on the blanking transfer mechanism 56 to realize transfer of the battery. After the battery is subjected to film sticking, the battery is conveyed to other process operations through the blanking transfer mechanism 56.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (10)

1. A polymer battery packaging line is characterized by comprising,
the battery cell loading unit is used for conveying and detecting the battery cells;
the aluminum film forming unit is used for punching and forming the aluminum-plastic film;
the battery cell packaging unit is respectively connected with the battery cell loading unit and the aluminum film forming unit and is used for placing the detected battery cell into the aluminum plastic film after pit punching and packaging;
and the film pasting unit is connected with the battery cell packaging unit and used for pasting a protective film on the surface of the battery packaged by the battery cell packaging unit.
2. The polymer battery packaging line according to claim 1, wherein: the electric core packaging unit comprises a top cutting assembly, a pit-entering turning assembly, a packaging detection assembly and a side-sealing cutting assembly which are sequentially connected, wherein the top cutting assembly is connected with an aluminum film forming unit, the aluminum film forming unit is used for cutting the top of an aluminum plastic film, and the cut aluminum plastic film is conveyed to the pit-entering turning assembly to be coated on the surface of a naked electric core.
3. A polymer battery packaging line according to claim 2, wherein: the top cutting assembly comprises at least two cutting tables which are oppositely arranged, a cutting groove is formed in a gap between the cutting tables, the top cutting assembly further comprises a cutter which is arranged right above the cutting groove, the cutter is connected with a cutting driving source, and the cutting driving source drives the cutter to reciprocate in the vertical direction.
4. A polymer battery packaging line according to claim 2, wherein: the pit-entering turnover assembly comprises at least one pair of rotating mechanisms, the rotating mechanisms are arranged oppositely, a placing platform is arranged between the rotating mechanisms and used for placing the cut aluminum-plastic film, and the aluminum-plastic film is tightly attached to the battery cell when the placing platform rotates along with the rotating mechanisms.
5. A polymer battery packaging line according to claim 2, wherein: the packaging detection assembly comprises a top sealing station, a side sealing station, a corner sealing station and a short circuit detection station which are sequentially arranged along the running direction of the polymer battery packaging line.
6. The polymer battery packaging line according to claim 1, wherein: the film sticking unit comprises a material placing frame, a rotary disc and a film sticking station, wherein the material placing frame is used for placing a protective film material belt, one end of the protective film material belt is rolled on a material roll, the other end of the protective film material belt is connected to the rotary disc, and the film sticking station is arranged on the periphery of the rotary disc.
7. The polymer battery packaging line according to claim 6, wherein: the film sticking unit further comprises a blanking gripper and a blanking transfer mechanism, the blanking transfer mechanism is arranged on one side of the film sticking station, and the extending direction of the blanking transfer mechanism is perpendicular to the unreeling direction of the protective film material belt; the blanking gripper contacts the film pasting station and clamps the battery to reciprocate on the blanking transfer mechanism.
8. The polymer battery packaging line according to claim 1, wherein: the battery cell feeding unit comprises two parallel transmission lines, and the two transmission lines comprise a feeding transmission line and a material tray transmission line which are opposite in transmission direction; the terminal connection electric core of the direction of transfer of material loading transmission line moves and carries the mechanism, the head end of the direction of transfer of charging tray transmission line connects the charging tray and moves and carries the mechanism.
9. The polymer battery packaging line according to claim 8, wherein: the battery cell detection device also comprises a battery cell detection unit, wherein two ends of the battery cell detection unit are respectively connected with the battery cell transfer mechanism and the battery cell packaging unit; the battery cell detection unit is used for detecting the loaded battery cell and transferring the battery cell to the battery cell packaging unit.
10. The polymer battery packaging line according to claim 1, wherein: the aluminum film forming unit comprises an unreeling assembly, a pit punching forming assembly and a line opening assembly which are sequentially arranged along the aluminum film feeding direction.
CN202211739673.XA 2022-12-30 2022-12-30 Polymer battery packaging line Pending CN115882037A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211739673.XA CN115882037A (en) 2022-12-30 2022-12-30 Polymer battery packaging line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211739673.XA CN115882037A (en) 2022-12-30 2022-12-30 Polymer battery packaging line

Publications (1)

Publication Number Publication Date
CN115882037A true CN115882037A (en) 2023-03-31

Family

ID=85757766

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211739673.XA Pending CN115882037A (en) 2022-12-30 2022-12-30 Polymer battery packaging line

Country Status (1)

Country Link
CN (1) CN115882037A (en)

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