CN115207480A - Protective film for lithium ion battery and preparation device and preparation method thereof - Google Patents
Protective film for lithium ion battery and preparation device and preparation method thereof Download PDFInfo
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- CN115207480A CN115207480A CN202211004777.6A CN202211004777A CN115207480A CN 115207480 A CN115207480 A CN 115207480A CN 202211004777 A CN202211004777 A CN 202211004777A CN 115207480 A CN115207480 A CN 115207480A
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- Prior art keywords
- lithium ion
- ion battery
- protective film
- chain wheel
- placing
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 83
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 83
- 230000001681 protective effect Effects 0.000 title claims abstract description 70
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 3
- 239000003292 glue Substances 0.000 claims description 37
- 230000006835 compression Effects 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 20
- 230000000087 stabilizing effect Effects 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 230000005574 cross-species transmission Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000007373 indentation Methods 0.000 claims description 3
- 238000010073 coating (rubber) Methods 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052744 lithium Inorganic materials 0.000 abstract description 6
- 210000005056 cell body Anatomy 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—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
- 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
- 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
- H01M50/121—Organic material
-
- 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
- H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
- H01M50/136—Flexibility or foldability
-
- 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)
- Secondary Cells (AREA)
Abstract
The invention discloses a preparation device of a protective film for a lithium ion battery, which comprises an operation table and the protective film, wherein a processing device for gluing the protective film is arranged on the operation table, a supporting device for placing the lithium ion battery is vertically arranged on the operation table in a sliding manner, clamping devices horizontally sliding on the operation table are arranged at two ends of each supporting device, the clamping devices are used for clamping two ends of the lithium ion battery, the clamping devices are positioned at two sides of the processing device, a feeding device for feeding the lithium ion battery with the protective film to be pasted is arranged at one end of each supporting device far away from the processing device, a placing device for placing a rolled protective film is arranged at the other end of each supporting device, and a driving device for driving the supporting devices to slide and the clamping devices to slide is arranged on the operation table. The protective film is adhered to the surface of the lithium electronic battery in an integrated forming mode, the lithium electronic battery and the protective film can move simultaneously through one motor, and manual operation can be reduced in the using process.
Description
Technical Field
The invention relates to the field of lithium battery preparation, in particular to a protective film for a lithium ion battery, and a preparation device and a preparation method thereof.
Background
A lithium ion battery is a secondary battery (rechargeable battery) that mainly operates by movement of lithium ions between a positive electrode and a negative electrode. During charging and discharging, li + is inserted and extracted back and forth between two electrodes: during charging, li + is extracted from the positive electrode and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge. Lead to lithium ion battery and adopt parcel formula protection film, current battery protection pad pasting bonds with the battery through strong gluey, and strong gluey and battery lug connection make when separation protection film and battery, appear that the protection pad pasting is difficult for tearing remove, can lead to battery deformation damage even.
In addition, the existing battery protection film processing technology generally needs to stick double faced adhesive tapes after a PET protection film is stuck on a battery core, and most of the preparation processes adopt manual sticking of the protection film, so that a large amount of material cost, labor cost and automation equipment cost are input, the production cost is increased, and the production efficiency is low.
Disclosure of Invention
The invention aims to provide a protective film for a lithium ion battery, and a preparation device and a preparation method thereof, which can solve the problems of increased material cost, labor cost and automatic equipment cost, low production efficiency and the like in the preparation process of the protective film.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a protection film preparation facilities for lithium ion battery, preparation facilities includes operation panel and protection film, be equipped with on the operation panel and be used for carrying out rubber coated processingequipment to the protection film, the protection film is processed into through processingequipment and is used for pasting the model on lithium ion battery surface, and the vertical slip is equipped with the strutting arrangement who is used for placing lithium ion battery on the operation panel.
And two ends of the supporting device are respectively provided with a clamping device which horizontally slides on the operating table, the clamping devices are used for clamping two ends of the lithium ion battery, and the clamping devices are positioned at two sides of the processing device.
One end of the supporting device, which is far away from the processing device, is provided with a feeding device for feeding a lithium ion battery to be pasted with a protective film, the other end of the supporting device is provided with a placing device for placing a rolled protective film, and a driving device for driving the supporting device to slide and the clamping device to slide is arranged on the operating platform.
The processing device comprises an air cylinder, a base of the air cylinder is fixed on the U-shaped connecting plate, and a pressing device used for pressing and forming the protective film is fixed on an output shaft of the air cylinder.
The utility model provides a lithium ion battery protection film, protection film include the protection film body, the protection film body includes front and reverse side, is equipped with the friction weak glue district that is located the reverse side on the protection film body, and one side in friction weak glue district is equipped with the strong glue district that is located the reverse side, and the gap in the middle of the strong glue district can make glue spill over to openly, and one side in friction weak glue district is equipped with the stretching strap of protruding indentation, and the stretching strap all is equipped with strong glue district both sides and tears the dotted line, tears the dotted line and is convenient for tailor.
Furthermore, the operation panel includes the operation panel body, is equipped with U type connecting plate on the operation panel body, is equipped with firm piece and first support frame on the operation panel body, and first support frame is located firm piece one side.
Furthermore, a second support frame fixed on the operating platform body is arranged below the pressing device, and a mold table used for placing a forming mold is arranged right below the pressing device on the second support frame.
The both ends of mould platform all rotate the compression roller that is equipped with the meshing of symmetric distribution, all are fixed with first gear on the compression roller, lie in and mesh mutually between two first gears of same end, make the protection film pass through from the gap between the first gear, convey, keep away from the compression roller below of loading attachment one end and be equipped with the glue pond that contains glue, the compression roller that is stained with glue can carry out the rubber coating to the aspect under the protection film.
Furthermore, strutting arrangement includes gliding first slide bar on the piece stabilizes, is fixed with the connecting box on the first slide bar, rotates on the connecting box to be equipped with the support cell body that is used for receiving lithium ion battery.
The support cell body rotates the sideline and the same water flat line of junction box that the range is for supporting cell body one side on the junction box, is fixed with first rack on the junction box, is equipped with L type connecting rod on the first slide bar, is equipped with the second rack on the L type connecting rod.
Furthermore, the clamping device comprises a movable plate which slides on the operating table body, the movable plate is symmetrically distributed and is positioned on two sides of the stabilizing block, a connecting block is fixed at one end of the movable plate, and a third rack is fixed at the other end of the movable plate.
The third racks and the operating platform body are horizontally distributed, a second gear is meshed between the third racks, a stabilizing plate is fixed on the connecting block, a first chain wheel is arranged on one side of the stabilizing plate in a rotating mode, a clamping shaft is arranged on the other side of the stabilizing plate, the first chain wheel is driven by a first motor to work, the first motor is fixed on the stabilizing plate, and an output shaft of the first motor is fixedly connected with the first chain wheel.
The inboard slip of centre gripping axle is equipped with the first tight head of clamp that is used for with lithium ion battery both ends block, and the first tight head of clamp can cushion when the epaxial slip of centre gripping prevents lithium ion battery autogiration.
Furthermore, loading attachment includes gliding link on first support frame, rotates on the link and is equipped with the conveying work or material rest that is used for placing lithium ion battery, rotates on the first support frame and is equipped with the drive plate, rotates on the first support frame and is equipped with and is used for making drive plate pivoted electric jar, and the output shaft and the drive plate of electric jar rotate to be connected, and the drive plate slides on the conveying work or material rest.
Furthermore, the placing device comprises a connecting rod, one end of the connecting rod is fixedly connected with the moving plate, the other end of the connecting rod is vertically fixed with second sliding rods which are located on the operating table body and slide, and the second sliding rods are symmetrically distributed.
The protective film winding device is characterized in that a placing frame used for placing a protective film winding shaft is arranged between the second sliding rods, the placing frame is fixed on the operating table body, the second sliding rods are located on two sides of the placing frame, second chucks are arranged on the second sliding rods, and a fifth chain wheel is arranged on the second chuck located on one side.
And a third chain is meshed between the fifth chain wheel and the first chain wheel, a sixth chain wheel and a seventh chain wheel are meshed on the third chain, the sixth chain wheel and the seventh chain wheel are positioned between the fifth chain wheel and the first chain wheel, the sixth chain wheel is fixedly connected with a pressing roller on one side of the die table, and telescopic rods are arranged on the sixth chain wheel and the seventh chain wheel.
One end of the telescopic rod on one side is fixedly connected with the seventh chain wheel, one end of the telescopic rod on the other side is fixedly connected with the sixth chain wheel, and the other end of the telescopic rod on the other side is fixedly connected with the pressing roller on the other side of the die table.
The further driving device comprises a third motor fixed on the worktable body, as shown in the figure, a fourth gear meshed with the second rack is fixed on an output shaft of the third motor, a first helical gear is arranged on the fourth gear, and a second helical gear is fixed on the second gear.
And a second connecting shaft is arranged between the second helical gear and the first helical gear, third helical gears which are symmetrically distributed are arranged at two ends of the second connecting shaft, the third helical gears are respectively connected with the second helical gear and the first helical gear in a meshing manner, the supporting device can be lifted and lowered by starting a third motor, and meanwhile, the clamping device is clamped in the middle.
Further, the preparation method of the preparation device is characterized by comprising the following steps:
s1: on placing the link with the lithium ion battery that needs processing, place in proper order, through starting the third motor, the lifting on the operation panel body of first slide bar of drive, at the in-process of lifting, first rack can make the conveying strip of placing lithium ion battery rotate, conveys lithium ion battery on the support cell body.
S2: first slide bar lifting to with the same level of centre gripping axle, place the lapping protection film of treating processing simultaneously on the rack, make L type connecting rod downstream drive at lithium ion battery, under drive arrangement's linkage, can make clamping device carry out centre gripping to lithium ion battery simultaneously, the protection film of lapping is placed the device and is pressed from both sides tightly.
S3: the lithium ion battery and the protective film which are clamped through the driving of the first motor rotate simultaneously, the free end of the protective film firstly penetrates through a gap between the compression rollers on one side, the free end of the protective film which is conveyed between the compression rollers passes through the die table and penetrates through a gap between the compression rollers on the other side, and meanwhile, glue is adhered to the compression roller on the lower side of the other side, so that the protective film can be glued.
S4: the protective film on one side adhered with the glue is contacted with the lithium ion battery, the lithium ion battery is coated while rotating, the lithium ion battery is cut along the tearing dotted line after the lithium ion battery rotates, the first motor stops working in the cutting process, and the lithium ion battery coated with the film is taken out of the material taking piece and unloaded.
The invention has the beneficial effects that:
1. the protective film is adhered to the surface of the lithium electronic battery by adopting the integrally formed protective film, so that the application performance can be improved, and the tearing is convenient;
2. according to the protective film preparation device and the preparation method, the lithium electronic battery and the protective film can move simultaneously through one motor, manual operation can be reduced in the using process, and the use is convenient;
3. according to the protective film preparation device and the preparation method, the feeding and clamping are tightly matched, so that deviation in the film sticking process of the electronic battery is prevented, and the working efficiency is improved.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the structure of a production apparatus of the present invention;
FIG. 2 is a schematic plan view of a protective film according to the present invention;
FIG. 3 is a schematic view of the structure of a manufacturing apparatus of the present invention;
FIG. 4 is a schematic view of a part of the construction of a production apparatus of the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 4;
FIG. 6 is an enlarged schematic view of the structure at A in FIG. 3;
FIG. 7 is a schematic view showing a part of the constitution of a production apparatus of the present invention;
FIG. 8 is a schematic view of the structure of the feeding device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A protective film preparation device for a lithium ion battery comprises an operation table 1 and a protective film 2, as shown in figures 1, 2 and 3, a processing device 3 for gluing the protective film 2 is arranged on the operation table 1, the protective film 2 can process a model for being pasted on the surface of the lithium ion battery through the processing device 3, a supporting device 4 for placing the lithium ion battery is vertically arranged on the operation table 1 in a sliding manner, clamping devices 5 horizontally sliding on the operation table 1 are arranged at two ends of each supporting device 4, the clamping devices 5 are used for clamping two ends of the lithium ion battery, the clamping devices 5 are arranged at two sides of the processing device 3, a feeding device 6 for feeding the lithium ion battery with the protective film to be pasted is arranged at one end of each supporting device 4 far away from the processing device 3, a placing device 7 for placing a rolled protective film is arranged at the other end of each supporting device, a driving device 8 for driving the supporting devices 4 to slide and the clamping devices 5 to slide is arranged on the operation table 1,
the operation table 1 comprises an operation table body 11, as shown in fig. 4, a U-shaped connecting plate 12 is arranged on the operation table body 11, a stabilizing block 13 and a first support frame 14 are arranged on the operation table body 11, and the first support frame 14 is located on one side of the stabilizing block 13.
The protection film 2 includes protection film body 21, as shown in fig. 2, protection film body 21 includes front and reverse side, is equipped with the friction weak glue district 22 that is located the reverse side on the protection film body 21, and one side in friction weak glue district is equipped with the strong glue district 23 that is located the reverse side, and the gap in the middle of the strong glue district 23 can make glue spill over to the front, and one side in friction weak glue district is equipped with the stretching strap 24 of protruding indentation, and stretching strap 24 all is equipped with tearing dotted line 25 with strong glue district 23 both sides, and tearing dotted line 25 is convenient for tailor.
The processing device 3 includes an air cylinder 31 located below the U-shaped connecting plate 12, as shown in fig. 4 and 7, a base of the air cylinder 31 is fixed on the U-shaped connecting plate 12, a pressing device 32 for pressing and forming the protective film is fixed on an output shaft of the air cylinder 31, a second support 33 fixed on the operation table body 11 is arranged below the pressing device 32, a mold table 34 for placing a forming mold is arranged below the second support 33 and right below the pressing device 32, symmetrically distributed engaged pressing rollers 35 are rotatably arranged at both ends of the mold table 34, first gears 36 are fixed on the pressing rollers 35, two first gears 36 located at the same end are engaged with each other to enable the protective film to pass through a gap between the first gears 36 for conveying, a glue pool containing glue is arranged below the pressing roller 35 far from one end of the feeding device 6, and the pressing roller 35 adhered with the glue can glue the lower layer surface of the protective film.
The supporting device 4 includes a first sliding rod 41 sliding on the stabilizing block 13, as shown in fig. 5, a connecting box 42 having an arc-shaped inner groove is fixed on the first sliding rod 41, a supporting groove 43 for receiving the lithium ion battery is rotatably arranged on the connecting box 42, the rotating range of the supporting groove 43 on the connecting box 42 is that the side line of one side of the supporting groove 43 is in the same horizontal line with the connecting box 42, a first rack 44 is fixed on the connecting box 42, an L-shaped connecting rod 45 is arranged on the first sliding rod 41, and a second rack 46 is arranged on the L-shaped connecting rod 45.
The clamping device 5 comprises a moving plate 51 sliding on the operating table body 11, as shown in fig. 3 and 4, the moving plate 51 is symmetrically distributed, the moving plate 51 is located on two sides of the stabilizing block 13, one end of the moving plate 51 is fixed with a connecting block 52, the other end of the moving plate 51 is fixed with a third rack 53, the third rack 53 is horizontally distributed with the operating table body 11, a second gear 54 is meshed between the third racks 53, a stabilizing plate 55 is fixed on the connecting block 52, one side of the stabilizing plate 55 rotates to form a first chain wheel 56, a clamping shaft 57 on the other side rotates, the first chain wheel 56 is driven by a first motor to work, the first motor is fixed on the stabilizing plate 55, an output shaft of the first motor is tightly connected with the first chain wheel 56, a first clamping head 58 used for clamping with two ends of a lithium ion battery is arranged on the inner side of the clamping shaft 57 in a sliding mode, and the first clamping head 58 can buffer when sliding on the clamping shaft 57 to prevent the lithium ion battery from automatically rotating.
The feeding device 6 comprises a connecting frame 61 sliding on the first support frame 14, as shown in fig. 8, a conveying frame 62 for placing the lithium ion battery is rotatably arranged on the connecting frame 61, a driving plate 63 is rotatably arranged on the first support frame 14, an electric cylinder 64 for rotating the driving plate 63 is rotatably arranged on the first support frame 14, an output shaft of the electric cylinder 64 is rotatably connected with the driving plate 63, and the driving plate 63 slides on the conveying frame 62.
The connecting frame 61 includes a connecting frame body 611, the connecting frame body 611 is provided with second rotating shafts 612 which are symmetrically distributed, the second rotating shafts 612 are sleeved with transmission belts 613 for transmitting lithium ion batteries, the second rotating shafts 612 are fixed with second chain wheels 614, the second chain wheels 614 are sleeved with first chains 615, and third chain wheels 616 are fixed between the second chain wheels 614 and the second rotating shafts 612.
The conveying rack 62 comprises a conveying rack body 621, partition plates 622 which are symmetrically distributed are fixed on the conveying rack body 621, third rotating shafts 623 which are symmetrically distributed are arranged on the partition plates 622, a conveying belt 624 is sleeved between the two third rotating shafts 623 on one side, a fourth chain wheel 625 is fixed on one of the third rotating shafts 623 on the other side, a third gear 626 which is meshed with the first rack 44 is fixed on the other third rotating shaft 623, a second chain 627 is sleeved between the fourth chain wheel 625 and the third chain wheel 616, rotating plates 628 are arranged at one ends of the four third rotating shafts 623 on the partition plates 622, connecting shafts which are symmetrically distributed are connected between the two rotating plates 628, conveying strips 629 which are symmetrically distributed are arranged on the connecting shafts, separating grooves which are distributed in an array are arranged on the conveying strips 629, and the conveying strips 629 are used for indirectly conveying lithium ion batteries to be processed.
The placing device 7 comprises a connecting rod 71, one end of the connecting rod 71 is fixedly connected with the moving plate 51, the other end of the connecting rod 71 is vertically fixed with second sliding rods 72 which are positioned on the operating table body 11 and slide, the second sliding rods 72 are symmetrically distributed, a placing rack 73 for placing a reel of the protective film 2 is arranged between the second sliding rods 72, the placing rack 73 is fixed on the operating table body 11, the second sliding rods 72 are positioned at two sides of the placing rack 73, the second sliding rods 72 are respectively provided with a second chuck 74, the length of the second chuck 74 is larger than that of the first clamping head 58, the second chuck 74 positioned at one side is provided with a fifth chain wheel 75, a third chain 76 is meshed between the fifth chain wheel 75 and the first chain wheel 56, a sixth chain wheel 77 and a seventh chain wheel 78 are meshed with the third chain 76, the sixth chain wheel 77 and the seventh chain wheel 78 are positioned between the fifth chain wheel 75 and the first chain wheel 56, the sixth chain wheel 77 is fastened and connected with the press roller 35 on one side of the die table 34, the sixth chain wheel 77 and the seventh chain wheel 78 are both provided with an expansion link 79, one end of the expansion link 79 on one side is fastened and connected with the seventh chain wheel 78, one end of the expansion link 79 on the other side is fastened and connected with the sixth chain wheel 77, the other end of the expansion link 79 on the other side is fastened and connected with the press roller 35 on the other side of the die table 34, and the second chuck 74 slides in the center and can clamp the reel of the protective film 2.
The driving device 8 includes a third motor 81 fixed on the worktable body 11, as shown in fig. 6, a fourth gear 82 engaged with the second rack 46 is fixed on an output shaft of the third motor 81, a first helical gear 83 is provided on the fourth gear 82, a second helical gear 84 is fixed on the second gear 54, a second connecting shaft 85 is provided between the second helical gear 84 and the first helical gear 83, third helical gears 86 symmetrically distributed are provided at both ends of the second connecting shaft 85, the third helical gears 86 are engaged with the second helical gear 84 and the first helical gear 83, the lifting of the supporting device 4 can be enabled by starting the third motor 81, and the clamping device 5 is centered and clamped.
The preparation method of the protective film preparation device comprises the following steps:
s1: the lithium ion batteries to be processed are placed on the connecting frame 61 and are sequentially placed, the first sliding rod 41 is driven to be lifted on the operating platform body 11 by starting the third motor 81, and in the lifting process, the first rack 44 can enable the conveying strip 629 for placing the lithium ion batteries to rotate and convey the lithium ion batteries to the supporting groove body 43;
s2: the first sliding rod 41 is lifted to the same horizontal height as the clamping shaft 57, meanwhile, a roll of protective film 2 to be processed is placed on the placing frame 73, the L-shaped connecting rod 45 is driven to move downwards by the lithium ion battery, the clamping device 5 can simultaneously clamp the lithium ion battery in the middle under the linkage of the driving device 8, and the roll of protective film 2 is clamped by the placing device 7;
s3: the lithium ion battery and the protective film 2 which are clamped through the driving of the first motor rotate simultaneously, the free end of the protective film 2 firstly penetrates through the gap between the compression rollers 35 on one side, the free end of the protective film 2 which is conveyed between the compression rollers 35 passes through the die table 34 and penetrates through the gap between the compression rollers 35 on the other side, and meanwhile the compression rollers 35 below the other side are adhered with glue, so that the protective film 2 can be glued.
S4: the protection film 2 on one side adhered with the glue is contacted with the lithium ion battery, the lithium ion battery is coated while rotating, the lithium ion battery is cut along the tearing dotted line after the lithium ion battery rotates, the first motor stops working in the cutting process, and the lithium ion battery coated with the film is taken out of the material taking piece and unloaded.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (10)
1. A preparation device of a protective film for a lithium ion battery comprises an operation table (1) and the protective film (2), and is characterized in that the operation table (1) is provided with a processing device (3) for gluing the protective film (2), the protective film (2) is processed into a model for being attached to the surface of the lithium ion battery through the processing device (3), and the operation table (1) is vertically provided with a supporting device (4) for placing the lithium ion battery in a sliding manner;
the two ends of the supporting device (4) are respectively provided with a clamping device (5) which horizontally slides on the operating table (1), the clamping devices (5) are used for clamping the two ends of the lithium ion battery, and the clamping devices (5) are positioned on the two sides of the processing device (3);
a feeding device (6) for feeding the lithium ion battery to be adhered with the protective film is arranged at one end of the supporting device (4) far away from the processing device (3), a placing device (7) for placing a rolled protective film is arranged at the other end of the supporting device, and a driving device (8) for driving the supporting device (4) to slide and the clamping device (5) to slide is arranged on the operating platform (1);
the processing device (3) comprises an air cylinder (31), a base of the air cylinder (31) is fixed on the U-shaped connecting plate (12), and a pressing device (32) for pressing and forming the protective film is fixed on an output shaft of the air cylinder (31).
2. The utility model provides a protection film for lithium ion battery, protection film (2) include protection film body (21), a serial communication port, protection film body (21) are including openly and reverse side, are equipped with friction weak glue district (22) that are located the reverse side on protection film body (21), one side in friction weak glue district is equipped with strong glue district (23) that are located the reverse side, the gap in the middle of strong glue district (23) can make glue spill over to openly, one side in friction weak glue district is equipped with stretching strap (24) of protruding indentation, stretching strap (24) all are equipped with strong glue district (23) both sides and tear dotted line (25), the dotted line is torn (25) and is convenient for tailor.
3. The device for preparing the protective film for the lithium ion battery according to claim 1, wherein the operating table (1) comprises an operating table body (11), the operating table body (11) is provided with a U-shaped connecting plate (12), the operating table body (11) is provided with a stabilizing block (13) and a first supporting frame (14), and the first supporting frame (14) is positioned on one side of the stabilizing block (13).
4. The device for preparing the protective film for the lithium ion battery according to claim 3, wherein a second support frame (33) fixed on the operation table body (11) is arranged below the pressing device (32), and a mold table (34) for placing a forming mold is arranged right below the pressing device (32) on the second support frame (33);
the both ends of mould platform (34) are all rotated and are equipped with compression roller (35) of the meshing of symmetric distribution, all are fixed with first gear (36) on compression roller (35), lie in and mesh mutually between two first gear (36) of same end, make the protection film pass through from the gap between first gear (36), convey, it is equipped with the glue pond that contains glue to keep away from compression roller (35) below of loading attachment (6) one end, compression roller (35) that are stained with glue can carry out the rubber coating to the aspect under the protection film.
5. The device for preparing the protective film for the lithium ion battery according to claim 4, wherein the supporting device (4) comprises a first sliding rod (41) sliding on the stabilizing block (13), a connecting box (42) is fixed on the first sliding rod (41), and a supporting groove body (43) for receiving the lithium ion battery is rotatably arranged on the connecting box (42);
the support groove body (43) rotates on the connecting box (42) by the same horizontal line of a sideline and the connecting box (42) on one side of the support groove body (43), a first rack (44) is fixed on the connecting box (42), an L-shaped connecting rod (45) is arranged on the first sliding rod (41), and a second rack (46) is arranged on the L-shaped connecting rod (45).
6. The device for preparing the protective film for the lithium ion battery according to claim 5, wherein the clamping device (5) comprises moving plates (51) sliding on the operating table body (11), the moving plates (51) are symmetrically distributed, the moving plates (51) are positioned at two sides of the stabilizing block (13), one end of each moving plate (51) is fixed with a connecting block (52), and the other end of each moving plate is fixed with a third rack (53);
the third racks (53) are horizontally distributed with the operating platform body (11), second gears (54) are meshed between the third racks (53), a stabilizing plate (55) is fixed on the connecting block (52), a first chain wheel (56) is rotated on one side of the stabilizing plate (55), a clamping shaft (57) is arranged on the other side of the stabilizing plate (55), the first chain wheel (56) is driven by a first motor to work, the first motor is fixed on the stabilizing plate (55), and an output shaft of the first motor is fixedly connected with the first chain wheel (56);
the inner side of the clamping shaft (57) is provided with first clamping heads (58) which are used for being clamped with two ends of a lithium ion battery in a sliding mode, the first clamping heads (58) can buffer when sliding on the clamping shaft (57), and the lithium ion battery is prevented from automatically rotating.
7. The device for preparing the protective film for the lithium ion battery according to claim 6, wherein the feeding device (6) comprises a connecting frame (61) sliding on the first support frame (14), a conveying rack (62) for placing the lithium ion battery is rotatably arranged on the connecting frame (61), a driving plate (63) is rotatably arranged on the first support frame (14), an electric cylinder (64) for rotating the driving plate (63) is rotatably arranged on the first support frame (14), an output shaft of the electric cylinder (64) is rotatably connected with the driving plate (63), and the driving plate (63) slides on the conveying rack (62).
8. The device for preparing the protective film for the lithium ion battery according to claim 7, wherein the placing device (7) comprises a connecting rod (71), one end of the connecting rod (71) is fixedly connected with the moving plate (51), the other end of the connecting rod (71) is vertically fixed with second sliding rods (72) which are positioned on the operating table body (11) to slide, and the second sliding rods (72) are symmetrically distributed;
a placing rack (73) for placing a reel of the protective film (2) is arranged between the second sliding rods (72), the placing rack (73) is fixed on the operating table body (11), the second sliding rods (72) are positioned on two sides of the placing rack (73), second chucks (74) are arranged on the second sliding rods (72), and a fifth chain wheel (75) is arranged on the second chuck (74) on one side;
a third chain (76) is meshed between the fifth chain wheel (75) and the first chain wheel (56), a sixth chain wheel (77) and a seventh chain wheel (78) are meshed on the third chain (76), the sixth chain wheel (77) and the seventh chain wheel (78) are positioned between the fifth chain wheel (75) and the first chain wheel (56), the sixth chain wheel (77) is fixedly connected with a pressing roller (35) on one side of the die table (34), and telescopic rods (79) are arranged on the sixth chain wheel (77) and the seventh chain wheel (78);
one end of the telescopic rod (79) on one side is fixedly connected with the seventh chain wheel (78), one end of the telescopic rod (79) on the other side is fixedly connected with the sixth chain wheel (77), and the other end of the telescopic rod (79) on the other side is fixedly connected with the pressing roll (35) on the other side of the die table (34).
9. The apparatus for preparing a protective film for a lithium ion battery according to claim 8, wherein the driving means (8) comprises a third motor (81) fixed on the worktable body (11), as shown in fig. 6, a fourth gear (82) engaged with the second rack (46) is fixed on an output shaft of the third motor (81), a first helical gear (83) is arranged on the fourth gear (82), and a second helical gear (84) is fixed on the second gear (54);
a second connecting shaft (85) is arranged between the second helical gear (84) and the first helical gear (83), third helical gears (86) which are symmetrically distributed are arranged at two ends of the second connecting shaft (85), the third helical gears (86) are respectively in meshed connection with the second helical gear (84) and the first helical gear (83), the supporting device (4) can be lifted by starting the third motor (81), and meanwhile the clamping device (5) is clamped in the middle.
10. The apparatus for manufacturing a protective film for a lithium ion battery according to claim 9, wherein the manufacturing method of the apparatus comprises the steps of:
s1: the lithium ion batteries to be processed are placed on the connecting frame (61) and are sequentially placed, the first sliding rod (41) is driven to lift on the operating platform body (11) by starting the third motor (81), and in the lifting process, the first rack (44) can enable the conveying strip (629) for placing the lithium ion batteries to rotate and convey the lithium ion batteries to the supporting groove body (43);
s2: the first sliding rod (41) is lifted to the same horizontal height as the clamping shaft (57), meanwhile, a to-be-processed roll protective film (2) is placed on the placing frame (73), the L-shaped connecting rod (45) moves downwards to drive the lithium ion battery, the clamping device (5) can clamp the lithium ion battery in the middle simultaneously under the linkage of the driving device (8), and the roll protective film (2) is clamped by the placing device (7);
s3: the lithium ion battery and the protective film (2) which are clamped are driven by a first motor to rotate simultaneously, the free end of the protective film (2) firstly penetrates through a gap between the compression rollers (35) on one side, the free end of the protective film (2) is conveyed between the compression rollers (35) to pass through the die table (34), the free end of the protective film penetrates through the gap between the compression rollers (35) on the other side, glue is adhered to the compression roller (35) below the other side, and the protective film (2) can be glued;
s4: the protective film (2) on one side adhered with the glue is in contact with the lithium ion battery, the lithium ion battery is coated while rotating, the lithium ion battery is cut along the tearing dotted line after the lithium ion battery rotates, the first motor stops working in the cutting process, and the lithium ion battery coated with the film is taken out of the material taking piece and unloaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211004777.6A CN115207480A (en) | 2022-08-22 | 2022-08-22 | Protective film for lithium ion battery and preparation device and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211004777.6A CN115207480A (en) | 2022-08-22 | 2022-08-22 | Protective film for lithium ion battery and preparation device and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115207480A true CN115207480A (en) | 2022-10-18 |
Family
ID=83573383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211004777.6A Pending CN115207480A (en) | 2022-08-22 | 2022-08-22 | Protective film for lithium ion battery and preparation device and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115207480A (en) |
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2022
- 2022-08-22 CN CN202211004777.6A patent/CN115207480A/en active Pending
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