CN115207382A - Film coating mechanism and battery production line - Google Patents
Film coating mechanism and battery production line Download PDFInfo
- Publication number
- CN115207382A CN115207382A CN202211040034.4A CN202211040034A CN115207382A CN 115207382 A CN115207382 A CN 115207382A CN 202211040034 A CN202211040034 A CN 202211040034A CN 115207382 A CN115207382 A CN 115207382A
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- mylar
- mylar film
- film
- pressing
- supporting plate
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- 230000007246 mechanism Effects 0.000 title claims abstract description 39
- 239000007888 film coating Substances 0.000 title claims abstract description 11
- 238000009501 film coating Methods 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 229920002799 BoPET Polymers 0.000 claims abstract description 102
- 239000005041 Mylar™ Substances 0.000 claims abstract description 102
- 230000006835 compression Effects 0.000 claims abstract description 19
- 238000007906 compression Methods 0.000 claims abstract description 19
- 238000003825 pressing Methods 0.000 claims description 49
- 238000005538 encapsulation Methods 0.000 claims description 18
- 238000001179 sorption measurement Methods 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 239000002775 capsule Substances 0.000 claims 4
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 11
- 238000003466 welding Methods 0.000 abstract description 8
- 239000012943 hotmelt Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000010030 laminating Methods 0.000 abstract description 3
- 230000005012 migration Effects 0.000 abstract description 3
- 238000013508 migration Methods 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract description 3
- 230000003028 elevating effect Effects 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 84
- 230000009471 action Effects 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
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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
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/005—Devices for making primary cells
-
- 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
-
- 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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- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/588—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries outside the batteries, e.g. incorrect connections of terminals or busbars
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The application provides a diolame mechanism and battery production line, wherein, diolame mechanism places platform and two diolame subassemblies including electric core. The envelope component comprises a supporting plate, a horizontal moving device and a lifting device. The backup pad includes plate body and compression roller. Under elevating gear and horizontal migration device's effect, compression roller and plate body are along the surface of electric core with the mylar pressfitting on electric core, make the crease of mylar and the arris of electric core complete phase-match to on the surface of the complete laminating electric core of mylar, guaranteed package mylar's accuracy and uniformity promptly, and then guaranteed follow-up hot melt welding's stability. In addition, the film coating mechanism is simple and compact in structure, convenient to use and operate, shortens operation time, and is beneficial to reducing the operation intensity of workers. The compression roller and the mylar film are in rolling friction, and the friction force between the compression roller and the mylar film is small, so that the probability that the mylar film is scratched in the film sticking process is reduced, and the probability that the mylar film fails is further reduced.
Description
Technical Field
The application relates to the technical field of battery production, in particular to a film coating mechanism and a battery production line.
Background
Mylar (Mylar) film is a thin film made of tough polyester-based polymer, and has very good surface smoothness, transparency and mechanical flexibility; the method has wide application in the fields of packaging, printing, flexible electronics and the like. Therefore, the electric core is packaged by the Mylar film, the insulating property and the strength of the electric core are greatly increased, and the electric core can be reliably sealed and protected; in the process of wrapping the battery core with the mylar film, the mylar film needs to be tightly wrapped on the outer surface of the battery core, and how to automatically attach the mylar film to the outer surface of the battery with high quality is a problem to be solved.
Disclosure of Invention
The application aims to provide a film coating mechanism and a battery production line which are simple in structure, convenient to operate and good in film coating effect.
To achieve the above object, an embodiment of a first aspect of the present application provides a film coating mechanism, which includes: a cell placement table comprising a top wall, a bottom wall, and a side wall between the top wall and the bottom wall, the side wall comprising two oppositely disposed first faces and two oppositely disposed second faces, the top wall configured to support a cell and a mylar film; the two film coating assemblies are respectively arranged on one side of the first surface of the electric core placing table; the envelope assembly comprises: the Mylar film pressing device comprises a supporting plate, a pressing roller and a pressing mechanism, wherein the supporting plate comprises a plate body and the pressing roller, the plate body comprises a top surface, a bottom surface and a side surface, the side surface is positioned between the top surface and the bottom surface, the pressing roller is arranged on the side surface and can rotate relative to the plate body, the pressing roller is pressed against the first surface, and the top surface of the plate body is configured to support a Mylar film; the horizontal moving device is connected with the supporting plate and can drive the supporting plate to move along the direction parallel to the top wall; and the lifting device is connected with the horizontal moving device and can drive the horizontal moving device to move along the direction vertical to the top wall, so that the supporting plate moves along the direction vertical to the top wall.
Compared with the prior art, the technical scheme has the following advantages:
under elevating gear and horizontal migration device's effect, compression roller and plate body are along the surface of electric core with the mylar pressfitting on electric core, make the crease of mylar and the arris of electric core complete phase-match to on the surface of the complete laminating electric core of mylar, guaranteed package mylar's accuracy and uniformity promptly, and then guaranteed follow-up hot melt welding's stability. In addition, the film coating mechanism is simple and compact in structure, convenient to use and operate, shortens operation time, and is beneficial to reducing the operation intensity of workers. The compression roller and the mylar film are in rolling friction, and friction force between the compression roller and the mylar film is small, so that the probability that the mylar film is scratched in the film pasting process is reduced, the use reliability of the mylar film is guaranteed, and the probability that the mylar film fails is reduced.
Embodiments of the second aspect of the present application provide a battery production line, which includes the above-mentioned coating mechanism.
Compared with the prior art, the technical scheme has the following advantages:
the battery production line has the advantages of simple and compact structure, convenience in use and operation, shortened operation time and convenience in reducing the operation intensity of workers. In addition, the accuracy of wrapping the Mylar film on the battery cell is high, so that the probability that the Mylar film is scratched in the film sticking process is reduced, the use reliability of the Mylar film is ensured, and the probability of failure of the Mylar film is reduced.
Drawings
The drawings are only for purposes of illustrating and explaining the present application and are not to be construed as limiting the scope of the present application. Wherein:
FIG. 1 is a schematic structural view of a first embodiment of a coating mechanism according to the present application;
FIG. 2 is a schematic view of the encapsulation mechanism of FIG. 1 in a first operational state;
FIG. 3 is a schematic view of the encapsulation mechanism of FIG. 1 in a second operational configuration;
FIG. 4 is a schematic structural view of a second embodiment of the encapsulation mechanism described herein;
FIG. 5 is a schematic structural view of a third embodiment of the encapsulation mechanism described herein;
FIG. 6 is a schematic structural view of a fourth embodiment of the encapsulation mechanism described herein;
FIG. 7 is a schematic structural view of a fifth embodiment of a coating mechanism according to the present application;
FIG. 8 is a schematic structural view of the encapsulation mechanism shown in FIG. 7 in another state;
FIG. 9 is a schematic structural view of a sixth embodiment of the encapsulation mechanism described herein.
The reference numbers illustrate:
10. a battery cell placing table; 11. a top wall; 12. a bottom wall; 13. a side wall; 131. a first side; 132. a second face; 20. a coating assembly; 21. a support plate; 211. a plate body; 2111. a top surface; 2112. a bottom surface; 2113. a side surface; 212. a compression roller; 213. a connecting frame; 214. an adsorption hole; 22. a horizontal moving device; 23. a lifting device; 30. a squeegee; 40. an adsorption device; 50. a pressing device; 51. briquetting; 52. a rotating frame; 53. a movable frame; 60. an electric core; 70. and (5) a Mylar film.
Detailed Description
The present application is described in further detail below with reference to the figures and examples. The features and advantages of the present application will become more apparent from the description.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
In addition, the technical features described below in the different embodiments of the present application may be combined with each other as long as they do not conflict with each other. The following discussion provides a number of embodiments of the application. While each embodiment represents a single combination of applications, the various embodiments of the disclosure may be substituted or combined in any combination, and thus, the disclosure is intended to include all possible combinations of the same and/or different embodiments of what is described. Thus, if one embodiment comprises a, B, C, and another embodiment comprises a combination of B and D, then this application should also be construed to include embodiments that include one or more of all other possible combinations of a, B, C, D, although such embodiments may not be explicitly recited in the following text. In addition, the technical features described below in the different embodiments of the present application may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to 3, an embodiment of the first aspect of the present application provides an encapsulation mechanism including: a cell placing table 10 and two envelope assemblies 20.
As shown in fig. 1, the cell placement table 10 includes a top wall 11, a bottom wall 12, and a side wall 13 located between the top wall 11 and the bottom wall 12, the side wall 13 includes two oppositely disposed first faces 131 and two oppositely disposed second faces 132, and the top wall 11 is configured to support the cell 60 and the mylar film 70.
As shown in fig. 1, two envelope assemblies 20 are respectively disposed on one side of the first face 131 of the cell placement table 10.
As shown in fig. 1, the envelope assembly 20 comprises: a support plate 21, a horizontal moving device 22 and a lifting device 23.
As shown in fig. 1, the supporting plate 21 includes a plate body 211 and a pressing roller 212, the plate body 211 includes a top surface 2111, a bottom surface 2112 and a side surface 2113 located between the top surface 2111 and the bottom surface 2112, the pressing roller 212 is disposed on the side surface 2113 and can rotate relative to the plate body 211, the pressing roller 212 presses against the first surface 131, and the top surface 2111 of the plate body 211 is configured to support the mylar film 70.
As shown in fig. 1, the horizontal moving device 22 is connected to the supporting plate 21 and can move the supporting plate 21 in a direction parallel to the top wall 11.
As shown in fig. 1, the lifting device 23 is connected to the horizontal moving device 22, and the lifting device 23 can move the horizontal moving device 22 along a direction perpendicular to the top wall 11, so as to move the supporting plate 21 along the direction perpendicular to the top wall 11.
As shown in fig. 1, the coating mechanism provided in the present application first aligns the top surface 2111 of the plate 211 with the top wall 11 of the electric core placing table 10 to form a supporting surface, then places the mylar film 70 on the supporting surface, and then places the electric core 60 on the top wall 11, as shown in fig. 2, then starts the lifting devices 23 of the two coating assemblies 20, so that the lifting devices 23 drive the plate 211 to ascend, at this time, the pressing roller 212 presses the mylar film 70 to move along the side wall 13 of the electric core placing table 10 to the side surface of the electric core 60, so that the mylar film 70 is attached to the side surface of the electric core 60, and after the side surface of the electric core 60 is coated with the mylar film 70, the lifting devices 23 stop working, at this time, as shown in fig. 3, the horizontal moving device 22 is started, so that the horizontal moving device 22 drives the supporting plate 21 to press the mylar film 70 to move toward the middle of the battery cell 60, so that the mylar film 70 is attached to the upper surface of the battery cell 60, in the above-mentioned process of coating the battery cell 60, under the action of the lifting device 23 and the horizontal moving device 22, the pressing roller 212 and the plate body 211 press the mylar film 70 on the battery cell 60 along the outer surface of the battery cell 60, so that the crease of the mylar film 70 is completely matched with the edge of the battery cell 60, and thus the mylar film 70 is completely attached to the outer surface of the battery cell 60, i.e. the accuracy and consistency of the mylar film 70 are ensured, and the stability of the subsequent hot-melt welding is ensured.
In addition, the film coating mechanism is simple and compact in structure, convenient to use and operate, shortens operation time, and is beneficial to reducing the operation intensity of workers.
In addition, rolling friction is formed between the compression roller 212 and the mylar film 70, and the friction force between the compression roller 212 and the mylar film 70 is small, so that the probability that the mylar film 70 is scratched in the film sticking process is reduced, the use reliability of the mylar film 70 is ensured, and the probability that the mylar film 70 fails is further reduced.
As shown in fig. 4, in one embodiment of the present application, the support plate 21 further includes two connection brackets 213.
The two coupling brackets 213 are symmetrically coupled to the side surface 2113 and can move in a direction perpendicular to the top surface 2111 with respect to the plate body 211, and both ends of the pressing roller 212 are rotatably coupled to the two coupling brackets 213, respectively.
When the horizontal moving device 22 drives the supporting plate 21 to move, the connecting frame 213 rotates relative to the plate body 211, so that the pressing roller 212 protrudes out of the bottom surface 2112 of the plate body 211, thereby enabling the pressing roller 212 to press the mylar film 70 to move towards the middle part of the battery cell 60, because the pressing roller 212 applies pressure to the mylar film 70, so that the mylar film 70 is better attached to the upper surface of the battery cell 60, namely, the mylar film 70 can be completely attached to the outer surface of the battery cell 60 under the action of the pressing roller 212, the accuracy and consistency of the mylar film 70 are ensured, and the stability of subsequent hot-melt welding is further ensured.
As shown in FIG. 5, in one embodiment of the present application, the nip roller 212 protrudes from the bottom surface 2112 in a direction perpendicular to the bottom surface 2112.
When the horizontal moving device 22 drives the supporting plate 21 to move, the compression roller 212 protruding out of the bottom surface 2112 can press the mylar film 70 to move towards the middle of the battery cell 60, and since the compression roller 212 applies pressure to the mylar film 70, the mylar film 70 can be better attached to the upper surface of the battery cell 60, that is, the mylar film 70 can be completely attached to the outer surface of the battery cell 60 under the action of the compression roller 212, so that the accuracy and consistency of the mylar film 70 are ensured, and the stability of subsequent thermal fusion welding is further ensured.
In one embodiment of the present application, the pressing roller 212 includes a roller body and an elastic layer wrapped on an outer surface of the roller body.
When the mylar film 70 is pressed against the battery core 60 by the compression roller 212, the elastic layer elastically deforms, so that the mylar film 70 is in flexible contact with the compression roller 212, thereby reducing the probability that the mylar film 70 is scratched in the film pasting process, ensuring the use reliability of the mylar film 70, and further reducing the probability that the mylar film 70 fails.
As shown in fig. 6, in one embodiment of the present application, a squeegee 30 is provided on the bottom surface 2112, and the squeegee 30 can abut against the mylar film 70.
When horizontal migration device 22 drives backup pad 21 and removes, scraper 30 is pressing mylar 70 and is moving to the middle part of electric core 60, because scraper 30 is to mylar 70 application pressure to make mylar 70 better laminating on the upper surface of electric core 60, make mylar 70 can laminate with the surface of electric core 60 completely under the effect of scraper 30 promptly, thereby guaranteed package mylar 70's accuracy and uniformity, and then guaranteed follow-up hot melt welding's stability.
As shown in fig. 7-9, in one embodiment of the present application, the encapsulation mechanism further comprises: two hold down devices 50.
Two pressing devices 50 are respectively disposed on one side of the second face 132 of the cell placement table 10, the pressing devices 50 are movable relative to the cell placement table 10, and the pressing devices 50 are configured to press the mylar film 70 against the cells 60.
After the two envelope components 20 completely wrap the mylar film 70 on the battery cell 60, the two envelope components 20 are reset, the pressing device 50 is pressed against the mylar film 70, and then the adhesive tape is adhered to the mylar film 70, so that two ends of the mylar film 70 are adhered together, the mylar film 70 is fixed on the battery cell 60, the arrangement of the pressing device 50 can prevent the mylar film 70 from tilting in the process of adhering the adhesive tape, the influence on the subsequent adhesive tape is avoided, and the qualification rate of the adhesive tape adhering process is ensured.
As shown in fig. 7 to 9, in one embodiment of the present application, the pressing device 50 includes: a pressing block 51, a rotating frame 52 and a moving frame 53.
The rotating frame 52 is connected to the pressing block 51, and can drive the pressing block 51 to rotate relative to the battery cell placement table 10.
The moving frame 53 is connected to the rotating frame 52, and can move the pressing block 51 in a direction perpendicular to the top wall 11 through the rotating frame 52.
An elastic layer is provided on the outer surface of the press block 51. The mylar film 70 is in flexible contact with the pressing block 51, so that the mylar film 70 is prevented from being scratched by the pressing block 51, the use reliability of the mylar film 70 is ensured, and the failure probability of the mylar film 70 is reduced.
After the two coating assemblies 20 completely wrap the mylar film 70 on the battery core 60, the two coating assemblies 20 are reset, the rotating frame 52 rotates relative to the battery core placing table 10, so that the pressing block 51 is located above the battery core 60, then the moving frame 53 drives the pressing block 51 to move towards the direction close to the battery core 60, so that the pressing block 51 is pressed on the mylar film 70, and the pressing device 50 is simple in structure and convenient to operate, and can effectively prevent the mylar film 70 from tilting.
In one embodiment of the present application, as shown in FIG. 9, the encapsulation mechanism further includes an adsorbent device 40.
The top surface 2111 of the support plate 21 is provided with suction holes 214, and the suction devices 40 communicate with the suction holes 214.
After the mylar film 70 is placed on the top surface 2111 of the support plate 21, the mylar film 70 covers the adsorption holes 214, the adsorption device 40 is started to draw air out of the adsorption holes 214, so that negative pressure is formed in the adsorption holes 214, the mylar film 70 is adsorbed on the top surface 2111, when the enveloping operation is required, the adsorption device 40 stops working, so that the mylar film 70 can smoothly move on the plate body 211, the arrangement of the adsorption device 40 avoids the situation that the mylar film 70 deviates in the process of placing the battery cell 60, so that the mylar film 70 is not tightly matched with the battery, so that the mylar film 70 can be completely attached to the outer surface of the battery cell 60, the accuracy and consistency of the mylar film 70 are ensured, and the stability of the subsequent thermal welding is further ensured.
As shown in fig. 9, in one embodiment of the present application, the length of the pressing roller 212 is equal to the length of the support plate 21 in the direction perpendicular to the second face 132. Alternatively, the length of the pressing roller 212 is greater than the length of the support plate 21 in the direction perpendicular to the second face 132.
The length of the compression roller 212 is limited in the direction perpendicular to the second surface 132, so that the length of the compression roller 212 is not less than the length of the battery cell 60, the mylar film 70 can be completely attached to the outer surface of the battery cell 60 under the action of the compression roller 212, the accuracy and consistency of the mylar film 70 are guaranteed, and the stability of subsequent hot-melt welding is guaranteed.
The battery production line provided by the embodiment of the second aspect of the application comprises the coating mechanism.
The application provides a battery production line simple structure is compact, convenient to use, operation are more convenient, shortened operating time, are favorable to alleviateing workman's manipulation strength. In addition, the accuracy of wrapping the Mylar film on the battery core is high, so that the probability that the Mylar film is scratched in the film attaching process is reduced, the use reliability of the Mylar film is ensured, and the probability of failure of the Mylar film is reduced.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on an operating state of the present application, and are only used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. The terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise specifically indicated and limited. The term "plurality" means two or more unless explicitly defined otherwise. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.
The present application has been described above in connection with preferred embodiments, which are intended to be exemplary only and illustrative only. On the basis of the above, the present application can be subjected to various substitutions and improvements, and the substitutions and the improvements are all within the protection scope of the present application.
Claims (10)
1. An encapsulation mechanism, comprising:
the battery cell placing table comprises a top wall, a bottom wall and a side wall positioned between the top wall and the bottom wall, the side wall comprises two oppositely arranged first surfaces and two oppositely arranged second surfaces, and the top wall is configured to support a battery cell and a mylar film; and
the two film coating assemblies are respectively arranged on one side of the first surface of the electric core placing table;
the capsule assembly includes: the Mylar film pressing device comprises a supporting plate, a pressing roller and a pressing mechanism, wherein the supporting plate comprises a plate body and the pressing roller, the plate body comprises a top surface, a bottom surface and a side surface positioned between the top surface and the bottom surface, the pressing roller is arranged on the side surface and can rotate relative to the plate body, the pressing roller is pressed against the first surface, and the top surface of the plate body is configured to support a Mylar film;
the horizontal moving device is connected with the supporting plate and can drive the supporting plate to move along the direction parallel to the top wall; and
the lifting device is connected with the horizontal moving device and can drive the horizontal moving device to move along the direction perpendicular to the top wall, so that the supporting plate moves along the direction perpendicular to the top wall.
2. The encapsulation mechanism of claim 1,
the length of the press roller is equal to the length of the support plate in a direction perpendicular to the second face.
3. The encapsulation mechanism of claim 1,
the supporting plate further comprises two connecting frames, the two connecting frames are symmetrically connected to the side face and can move relative to the plate body in the direction perpendicular to the top face, and two ends of the pressing roller are rotatably connected with the two connecting frames respectively.
4. The encapsulation mechanism of claim 1,
the pressing roller protrudes from the bottom surface in a direction perpendicular to the bottom surface.
5. The encapsulation mechanism of claim 1,
the compression roller comprises a roller body and an elastic layer wrapped on the outer surface of the roller body.
6. The encapsulation mechanism of claim 1,
the bottom surface is provided with a scraper which can abut against the Mylar film.
7. The capsule mechanism according to any one of claims 1 to 6,
the coating mechanism further comprises an adsorption device, the top surface of the supporting plate is provided with an adsorption hole, and the adsorption device is communicated with the adsorption hole.
8. The capsule mechanism according to any one of claims 1 to 6,
the capsule mechanism still includes: the two compressing devices are respectively arranged on one side of the second surface of the battery cell placing table, the compressing devices can move relative to the battery cell placing table, and the compressing devices are configured to press the mylar film on the battery cells.
9. The encapsulation mechanism of claim 8,
the pressing device comprises: briquetting;
the rotating frame is connected with the pressing block and can drive the pressing block to rotate relative to the battery cell placing table; and
and the moving frame is connected with the rotating frame and can drive the pressing block to move along the direction vertical to the top wall through the rotating frame.
10. A battery production line comprising the encapsulation mechanism of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211040034.4A CN115207382A (en) | 2022-08-29 | 2022-08-29 | Film coating mechanism and battery production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211040034.4A CN115207382A (en) | 2022-08-29 | 2022-08-29 | Film coating mechanism and battery production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115207382A true CN115207382A (en) | 2022-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211040034.4A Pending CN115207382A (en) | 2022-08-29 | 2022-08-29 | Film coating mechanism and battery production line |
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| Country | Link |
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| CN (1) | CN115207382A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117870564A (en) * | 2024-03-11 | 2024-04-12 | 宁德时代新能源科技股份有限公司 | Detection method and system for cell Mylar film |
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2022
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117870564A (en) * | 2024-03-11 | 2024-04-12 | 宁德时代新能源科技股份有限公司 | Detection method and system for cell Mylar film |
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