CN208827156U - Lithium battery packaging film process units - Google Patents
Lithium battery packaging film process units Download PDFInfo
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- CN208827156U CN208827156U CN201821201420.6U CN201821201420U CN208827156U CN 208827156 U CN208827156 U CN 208827156U CN 201821201420 U CN201821201420 U CN 201821201420U CN 208827156 U CN208827156 U CN 208827156U
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Abstract
The utility model provides a kind of lithium battery packaging film process units, comprising: the processing along basement membrane to be processed moves towards the unwinder unit successively arranged, the first coater unit, the first drying unit, the second coater unit, the second drying unit, is evenly heated unit, thermal-adhering unit, cooling unit and rolling unit.The utility model has the following beneficial effects: 1, safety and environmental protection, required raw material and production process are not related to adhesive and organic solvent, volatile organic compounds discharge is zero.It is low to workshop air draft, fire prevention, requirement of explosion proof without curing chamber；2, high production efficiency, material loss is low, and the forming of aluminum-plastic composite membrane time processing is processed compared to Simulation Based On Multi-step, eliminates the links such as material and semi-finished product circulation, curing, while also reducing material and semi-finished product processing loss；3, properties of product brilliance, the resistance to scouring depth of aluminum-plastic composite membrane processed using hot paste conjunction mode, corrosion resistance are strong；4, occupied area is small, requires required design of workshop low.
Description
Technical field
The utility model relates to technical field of lithium batteries, more particularly to a kind of lithium battery packaging film process units.
Background technique
Aluminum-plastic composite membrane packaging is a kind of important manner of packing of lithium battery, opposite aluminum hull, steel shell and cylinder packaging, plastic-aluminum
Composite film packaging, which has, to be had a safety feature, and energy density is high, and internal resistance is small, the advantages such as flexible design, current aluminum-plastic composite membrane
Processing method usually has following process: one, on two surfaces of aluminium foil be coated with passivating solution, two, aluminium foil dark face coating adhesive it is multiple
Close Buddhist nun's film, three, curing 1 day, four, the bright face coating adhesive composite polypropylene film of aluminium foil, five, curing 5~8 days.It is this to add
There are many disadvantages for work mode:
Production cycle is long, and adhesive needs that adhesive effect, the curing of usual two procedures could be played well after curing
Reach total time 6-9 days.
Production takes up a large area, and producing the equipment being related to includes a coating machine and two compounding machines, requires to occupy
Bigger space also needs to prepare biggish space as curing chamber after completion is compound.
Design of workshop requires height, because compound working procedure is related to the volatilization of organic solvent, curing chamber is related to hot environment,
So needing to do corresponding air draft, explosion-proof, fire prevention measure in workshop.
Environment is unfriendly, and compound working procedure is related to the organic solvents such as toluene, butanone, ethyl acetate, has after discharge to environment
It influences.
Utility model content
In view of the foregoing deficiencies of prior art, it is raw that the purpose of this utility model is to provide a kind of lithium battery packaging films
Device is produced, existing production when for solving lithium battery packaging film process units progress aluminum-plastic composite membrane packaging in the prior art
The problems such as period is long, production takes up a large area, design of workshop requires high and environment unfriendly.
In order to achieve the above objects and other related objects, the utility model provides a kind of lithium battery packaging film process units,
The lithium battery packaging film process units includes: to process unwinder unit, the first painting that trend is successively arranged along basement membrane to be processed
Cloth unit, the second coater unit, the second drying unit, is evenly heated unit, thermal-adhering unit, cooling list at the first drying unit
Member and rolling unit.
Preferably, the basement membrane to be processed includes opposite first surface and second surface, first coater unit
Coated face is in contact with the first surface of the basement membrane to be processed, is coated with the first surface to the basement membrane to be processed.
Preferably, the coated face of second coater unit is in contact with the second surface of the basement membrane to be processed, with right
The second surface of the basement membrane to be processed is coated.
Preferably, first coater unit and second coater unit include anilox roll, the mesh of the anilox roll
Number range includes 100 mesh~300 mesh.
Preferably, the basement membrane to be processed includes aluminium foil, and first coater unit is used for the basement membrane to be processed
First surface is coated with passivating solution, and second coater unit is used to be coated with passivating solution to the second surface of the basement membrane to be processed.
Preferably, the thermal-adhering unit includes:
First macromolecule membrane unreeling machine, positioned at the side of the basement membrane first surface to be processed, and with it is described to be processed
The first surface of basement membrane has spacing, and the first macromolecule membrane unreeling machine is for placing the first coiled macromolecule membrane；
First pressing film roller adheres on the first surface of the basement membrane to be processed, for pasting first macromolecule membrane
Together in the first surface of the basement membrane to be processed.
Preferably, the thermal-adhering unit further include:
Second macromolecule membrane unreeling machine, positioned at the side of the basement membrane second surface to be processed, and with it is described to be processed
The second surface of basement membrane has spacing, and the second macromolecule membrane unreeling machine is for placing the second coiled macromolecule membrane；
Second pressing film roller adheres on the second surface of the basement membrane to be processed, and clamps jointly with first pressing film roller
The basement membrane to be processed, second pressing film roller are used to fitting in second macromolecule membrane into the of the basement membrane to be processed
Two surfaces.
Preferably, first macromolecule membrane and second macromolecule membrane include polyethylene film, polypropylene
Film, polyamide film, Kapton, pet film, polyethylene naphthalate are thin
At least one of film and polybutylene terephthalate (PBT) film.
Preferably, wait locate described in after first drying unit is used to be coated with first coater unit using hot wind
Reason basement membrane is dried, and the drying temperature range of first drying unit includes 80 DEG C~150 DEG C；Second drying unit
For using hot wind to dry the basement membrane to be processed after second coater unit coating, second drying unit
Drying temperature range include 100 DEG C~260 DEG C.
Preferably, the unit that is evenly heated dries second drying unit by the way of contact resistance heating
The basement membrane to be processed afterwards is heated, and the surface of the basement membrane to be processed is heated in described be evenly heated in unit
100 DEG C~300 DEG C, and the basement membrane transverse temperature difference to be processed, within ± 5 DEG C, longitudinal temperature difference is between ± 10 DEG C
Within.
Preferably, the unit that is evenly heated includes:
Heating chamber；
Several resistance heating rollers arranged along the basement membrane extending direction parallel interval to be processed, the resistance heating roller
In the heating chamber；The adjacent resistance heating roller adheres on the opposite two sides of the basement membrane to be processed respectively.
Preferably, the cooling rate of the cooling unit is 60 DEG C/s~120 DEG C/s.
Preferably, the cooling unit is water cooling unit, and the water cooling unit includes:
Water-cooling groove, for the basement membrane to be processed after the thermal-adhering cell processing to be carried out water cooling；
Drying unit, for drying the basement membrane to be processed after the water-cooling groove water cooling.
Preferably, the cooling unit is wind cooling unit, and the wind cooling unit includes air-cooler, is used for the thermal-adhering
The basement membrane to be processed after cell processing carries out air-cooled.
Preferably, the unwinder unit includes:
Uncoiler, for placing the coiled basement membrane to be processed；
First pinch roller is opened between the uncoiler and first coater unit for clamping the uncoiler
The basement membrane to be processed of volume；
First edge position control, between first pinch roller and first coater unit, for limiting
The marginal position of the fixed basement membrane to be processed.
Preferably, the rolling unit includes:
Winder, for winding the basement membrane to be processed being disposed；
Second pinch roller, it is cooling for clamping the cooling unit between the winder and the cooling unit
The basement membrane to be processed afterwards；
Second edge position control, between second pinch roller and the cooling unit, for limiting
State the marginal position of the cooling unit basement membrane to be processed after cooling.
Preferably, the lithium battery packaging film process units further includes several for carrying and transmitting the base to be processed
The deflector roll of film, several described deflector rolls are located at the interior unwinder unit, first coater unit side, first baking
Between dry unit both ends, first drying unit and second coater unit, it is the side of second coater unit, described
The separate described one end for being evenly heated unit of second drying unit, the thermal-adhering unit is interior, the cooling unit is interior and described
In rolling unit.
The utility model also provides a kind of lithium battery packaging film production method, and the lithium battery packaging film production method includes
Following steps:
1) basement membrane to be processed is provided, the basement membrane to be processed includes opposite first surface and second surface；
2) passivating solution is coated in the first surface and second surface of the basement membrane to be processed and dry；
3) basement membrane to be processed after drying is evenly heated；
4) first surface compacting the first macromolecule membrane of fitting of the basement membrane to be processed after being evenly heated, and in equal
Second surface compacting the second macromolecule membrane of fitting of the basement membrane to be processed after even heating；
5) surface rolling is fitted with the described to be processed of first macromolecule membrane and second macromolecule membrane
Basement membrane is cooled down；
6) basement membrane to be processed after cooling is wound.
Preferably, step 2) includes the following steps:
2-1) passivating solution is coated in the first surface of the basement membrane to be processed；
2-2) basement membrane to be processed that first surface is coated with the passivating solution is dried；
2-3) passivating solution is coated in the second surface of the basement membrane to be processed；
2-4) basement membrane to be processed that second surface is coated with the passivating solution is dried.
Preferably, step 2-2) in, the basement membrane to be processed that first surface is coated with the passivating solution is placed in 80 DEG C
It is dried in~150 DEG C of environment；Step 2-4) in, second surface is coated with to the basement membrane to be processed of the passivating solution
It is placed in 100 DEG C~260 DEG C of environment and is dried.
Preferably, in step 3), uniformly heated temperature is 100 DEG C~300 DEG C, and during being evenly heated, it is described to
Basement membrane transverse temperature difference is handled within ± 5 DEG C, longitudinal temperature difference is within ± 10 DEG C.
Preferably, in step 4), the first macromolecule membrane compacting fits in the first surface of the basement membrane to be processed
When, the partial melting that first macromolecule membrane is bonded with the basement membrane first surface to be processed, and first macromolecule
The thickness of thin film melt part accounts for the 10%~50% of the first macromolecule membrane overall thickness；The second macromolecule membrane pressure
When system fits in the second surface of the basement membrane to be processed, second macromolecule membrane and the basement membrane second surface to be processed
The partial melting of fitting, and the thickness of the second macromolecule membrane puddle accounts for the second macromolecule membrane overall thickness
10%~50%.
Preferably, in step 5), surface rolling is fitted with first macromolecule membrane and second macromolecule is thin
It is 60 DEG C/s~120 DEG C/s that the basement membrane to be processed of film, which carries out cooling cooling rate,.
As described above, the lithium battery packaging film process units of the utility model, has the advantages that
1, safety and environmental protection, required raw material and production process are not related to adhesive and organic solvent, volatile organic
Closing object discharge is zero.It is low to workshop air draft, fire prevention, requirement of explosion proof without curing chamber；
2, high production efficiency, material loss is low, and the forming of aluminum-plastic composite membrane time processing is processed compared to Simulation Based On Multi-step, eliminated
The links such as material and semi-finished product circulation, curing, while also reducing material and semi-finished product processing loss；
3, properties of product brilliance, the resistance to scouring depth of aluminum-plastic composite membrane processed using hot paste conjunction mode, corrosion resistance are strong；
4, occupied area is small, requires required design of workshop low.
Detailed description of the invention
Fig. 1 is shown as the structural schematic diagram of lithium battery packaging film process units provided by the utility model.
Fig. 2 is shown as the knot of the cooling unit in the lithium battery packaging film process units provided in one example of the utility model
Structure schematic diagram.
Fig. 3 is shown as the cooling unit knot in the lithium battery packaging film process units provided in another example of the utility model
Structure schematic diagram.
Fig. 4 shows the flow chart of lithium battery packaging film production method provided by the utility model.
Component label instructions
10 unwinder units
101 uncoilers
102 first pinch rollers
103 first edge position controls
11 first coater units
12 first drying units
13 second coater units
14 second drying units
141 third pinch rollers
15 are evenly heated unit
151 heating chambers
152 resistance heating rollers
16 thermal-adhering units
161 first macromolecule membrane unreeling machines
162 first pressing film rollers
163 second macromolecule membrane unreeling machines
164 second film laminators
17 cooling units
171 water-cooling grooves
172 drying units
173 air-coolers
18 rolling units
181 winders
182 second pinch rollers
183 second edge position controls
19 deflector rolls
20 basement membranes to be processed
21 first macromolecule membranes
22 second macromolecule membranes
Specific embodiment
Illustrate the embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer
With carrying out various modifications or alterations under the spirit without departing from the utility model.
Please refer to FIG. 1 to FIG. 4.It should be noted that diagram provided in the present embodiment only illustrates this in a schematic way
The basic conception of utility model, though it is only shown with related component in the utility model rather than when according to actual implementation in diagram
Component count, shape and size are drawn, when actual implementation form, quantity and the ratio of each component can arbitrarily change for one kind
Become, and its assembly layout form may also be increasingly complex.
Referring to Fig. 1, the utility model provides a kind of lithium battery packaging film process units, the lithium battery packaging film production
Device includes: to process unwinder unit 10, the drying of the first coater unit 11, first that trend is successively arranged along basement membrane 20 to be processed
Unit 12, the second drying unit 14, is evenly heated unit 15, thermal-adhering unit 16, cooling unit 17 at second coater unit 13
And rolling unit 18.
As an example, the basement membrane to be processed 20 may include but be not limited only to aluminium foil.
As an example, the unwinder unit 10 includes: uncoiler 101, the uncoiler 101 is used to place coiled described
Basement membrane 20 to be processed；First pinch roller 102, first pinch roller 12 is located at the uncoiler 101 and first coating is single
Between member 11, for clamping the basement membrane 20 to be processed of 101 uncoiling of uncoiler；First edge position control
(EPC) 103, the first edge position control 103 is located at first pinch roller 102 and first coater unit
Between 11, for limiting the marginal position of the basement membrane to be processed 20.The uncoiler 101, first pinch roller 102 and institute
State in 103 three of first edge position control has spacing between any two.
As an example, the basement membrane to be processed 20 includes opposite first surface and second surface, first coating is single
The coated face of member 11 can be in contact with the first surface of the basement membrane 20 to be processed, with the to the basement membrane 20 to be processed
One surface is coated.The first coater unit 11 be used for the first surface of the basement membrane 20 to be processed be coated with passivating solution, institute
Passivating solution is stated for improving the electrolyte resistance corrosive power of the basement membrane to be processed 20.
As an example, first coater unit 11 may include anilox roll, the mesh number range of the anilox roll be can wrap
Include 100 mesh~300 mesh.
As an example, first drying unit 12 is used for using hot wind to the institute after first coater unit 11 coating
It states basement membrane 20 to be processed to be dried, the drying temperature range of first drying unit 12 includes 80 DEG C~150 DEG C.Specifically
, first drying unit 12 can be for that can provide the device of hot wind, for example, and first drying unit 12 can be can
So that the drying box etc. that the basement membrane to be processed 20 passes through.
As an example, the coated face of second coater unit 13 connects with the second surface of the basement membrane 20 to be processed
Touching, is coated with the second surface to the basement membrane 20 to be processed.Second coater unit 13 is used for described to be processed
The second surface of basement membrane 20 is coated with passivating solution, and the passivating solution is used to improve the electrolyte resistance corrosion of the basement membrane to be processed 20
Ability.By first coater unit 11 and second coater unit 13 respectively to the first table of the basement membrane 20 to be processed
Face and second surface are passivated liquid coating, can greatly improve the electrolyte resistance corrosive power of the basement membrane to be processed 20.
As an example, second coater unit 13 may include anilox roll, the mesh number range of the anilox roll be can wrap
Include 100 mesh~300 mesh.
As an example, second drying unit 14 is used for using hot wind to the institute after second coater unit 13 coating
It states basement membrane 20 to be processed to be dried, the drying temperature range of second drying unit 14 includes 100 DEG C~260 DEG C.Specifically
, second drying unit 14 can be for that can provide the device of hot wind, for example, and second drying unit 14 can be can
So that the drying box etc. that the basement membrane to be processed 20 passes through.
As an example, the lithium battery packaging film process units can also include third pinch roller 141, the third is pinched
Roller 141 is located in second drying unit 14, and the third pinch roller 141 is for clamping the basement membrane to be processed 20.Specifically
, the third pinch roller 141 can be located at any position in second drying unit 14, it is preferable that the third
Pinch roller 141 is located at second drying unit 14 close to the side for being evenly heated unit 15.
As an example, the unit 15 that is evenly heated can be by the way of contact resistance heating to second drying
The basement membrane 20 to be processed after unit 14 is dried is heated, and the surface of the basement membrane 20 to be processed is evenly heated in described
Unit 14 is heated to 100 DEG C~300 DEG C again.
As an example, the unit 15 that is evenly heated includes heating chamber 151；Several prolong along the basement membrane 20 to be processed
The resistance heating roller 152 of direction parallel interval arrangement is stretched, the resistance heating roller 152 is located in the heating chamber 151；It is adjacent
The resistance heating roller 152 adheres on the opposite two sides of the basement membrane to be processed 20 respectively.Specifically, the resistance heating roller
152 quantity can be set according to actual needs, it is preferable that the quantity of the resistance heating roller 152 can be 2~10.
As an example, the heating chamber 151 for being evenly heated unit 15 is to pass through for the basement membrane 20 to be processed
Closed chamber, to guarantee that the resistance heating roller 152 and the heat of the basement membrane to be processed 20 not easily run off.Preferably, whole
The temperature difference on a 152 surface of resistance heating roller is within ± 2 DEG C, i.e., the temperature on entire 152 surface of resistance heating roller
Difference is spent between -2 DEG C~2 DEG C；Laterally (direction TD) temperature difference is longitudinal within ± 5 DEG C for the basement membrane to be processed 20
(MD) temperature difference within ± 10 DEG C, i.e., indulge between -5 DEG C~5 DEG C by the described 20 transverse temperature difference of basement membrane to be processed
To temperature difference between -10 DEG C~10 DEG C.
As an example, the thermal-adhering unit 16 includes: the first macromolecule membrane unreeling machine 161, first macromolecule
Thin-film unreeling machine 161 is located at the side of 20 first surface of basement membrane to be processed, and the first table with the basement membrane 20 to be processed
Face has spacing, and the first macromolecule membrane unreeling machine 161 is for placing the first coiled macromolecule membrane 21；First press mold
Roller 162, first pressing film roller 162 adhere on the first surface of the basement membrane to be processed 20, and first pressing film roller 162 is used for
First macromolecule membrane 21 is fitted in the first surface of the basement membrane to be processed 20.First pressing film roller 162 can be with
For but be not limited only to high temperature resistant rubber roller, the temperature resistant range of first pressing film roller 162 can be 100 DEG C~300 DEG C.
As an example, the temperature on 16 inside 20 surface of basement membrane to be processed of thermal-adhering unit can maintain 100
DEG C~300 DEG C between, when first macromolecule membrane 21 adheres on the first surface of the basement membrane to be processed 20, described first
Macromolecule membrane 21 can be melted close to the part of 20 first surface of basement membrane to be processed, first macromolecule membrane 21
The thickness of puddle accounts for the 10%~50% of 21 overall thickness of the first macromolecule membrane.First pressing film roller 162 is institute
It states the first macromolecule membrane 21 and certain pressure is provided, it can be ensured that first macromolecule membrane 21 and the basement membrane to be processed
The smooth corrugationless of 20 binding face.
As an example, first macromolecule membrane 21 may include that polyethylene film, polypropylene film, polyamide are thin
Film, Kapton, pet film, polyethylene naphthalate film and poly- terephthaldehyde
At least one of sour butanediol ester film；I.e. described first macromolecule membrane 21 can for polyethylene film, polypropylene film,
Polyamide film, Kapton, pet film, polyethylene naphthalate film or poly-
Mutual-phenenyl two acid bromide two alcohol ester's film, or polyethylene film, polypropylene film, polyamide film, Kapton,
In pet film, polyethylene naphthalate film and polybutylene terephthalate (PBT) film
At least co-extrusion film of the two can also be polyethylene film, polypropylene film, polyamide film, Kapton, gather to benzene
At least two in naphthalate film, polyethylene naphthalate film and polybutylene terephthalate (PBT) film
The composite membrane of person.
As an example, the thermal-adhering unit 16 further include: the second macromolecule membrane unreeling machine 163, second high score
Sub- thin-film unreeling machine 163 is located at the side of 20 second surface of basement membrane to be processed, and second with the basement membrane 20 to be processed
Surface has spacing, and the second macromolecule membrane unreeling machine 163 is for placing the second coiled macromolecule membrane 22；Second pressure
Deflector roll 164, second pressing film roller 164 adhere on the second surface of the basement membrane to be processed 20, and with first pressing film roller
162 clamp the basement membrane to be processed 20 jointly, and second pressing film roller 164 is for second macromolecule membrane 22 to be bonded
In the second surface of the basement membrane 20 to be processed.Second pressing film roller 164 can be but be not limited only to high temperature resistant rubber roller, described
The temperature resistant range of second pressing film roller 164 can be 100 DEG C~300 DEG C.
As an example, since the temperature that the hot paste closes 16 inside 20 surface of basement membrane to be processed of unit can maintain
It is described when second macromolecule membrane 22 adheres on the second surface of the basement membrane to be processed 20 between 100 DEG C~300 DEG C
Second macromolecule membrane 22 can be melted close to the part of processing 20 second surface of basement membrane, second macromolecule membrane
The thickness of 22 puddles accounts for the 10%~50% of 22 overall thickness of the second macromolecule membrane.Second pressing film roller 164 is
Second macromolecule membrane 22 provides certain pressure, it can be ensured that second macromolecule membrane 22 and the base to be processed
The smooth corrugationless of the binding face of film 20.
As an example, second macromolecule membrane 22 may include that polyethylene film, polypropylene film, polyamide are thin
Film, Kapton, pet film, polyethylene naphthalate film and poly- terephthaldehyde
At least one of sour butanediol ester film；I.e. described second macromolecule membrane 22 can for polyethylene film, polypropylene film,
Polyamide film, Kapton, pet film, polyethylene naphthalate film or poly-
Mutual-phenenyl two acid bromide two alcohol ester's film, or polyethylene film, polypropylene film, polyamide film, Kapton,
In pet film, polyethylene naphthalate film and polybutylene terephthalate (PBT) film
At least co-extrusion film of the two can also be polyethylene film, polypropylene film, polyamide film, Kapton, gather to benzene
At least two in naphthalate film, polyethylene naphthalate film and polybutylene terephthalate (PBT) film
The composite membrane of person.
As an example, the cooling unit 17 is for by the thermal-adhering unit 15, treated, first surface is fitted with
First macromolecule membrane 21 and second surface be fitted with the basement membrane 20 to be processed of second macromolecule membrane 22 into
Row cooling.The cooling rate of the cooling unit 17 can ask but be not limited only to 60 DEG C/s~120 DEG C/s.Faster cooling velocity
Facilitate between the basement membrane to be processed 20 and first macromolecule membrane 21 and second macromolecule membrane 22 to be bonded boundary
The resistance to scouring depth performance in face.
In one example, as shown in Fig. 2, the cooling unit 17 is water cooling unit, the water cooling unit includes: water-cooling groove
171, the water-cooling groove 171 is used for that treated that the basement membrane 20 to be processed carries out water cooling by the thermal-adhering unit 16；Drying
Device 172, the drying unit 172 is for drying the basement membrane 20 to be processed after 171 water cooling of water-cooling groove.
In another example, as shown in figure 3, the cooling unit 17 can be wind cooling unit, the wind cooling unit includes
Air-cooler 173, the air-cooler are used for that treated that the basement membrane 20 to be processed carries out is air-cooled by the thermal-adhering unit 16.
As an example, the rolling unit 18 includes: winder 181, the winder 181, which is used to winding, to be disposed
The basement membrane to be processed 20, i.e., the described winder 181 is for winding the cooling unit 17 basement membrane to be processed after cooling
20；Second pinch roller 182, second pinch roller 182 are used between the winder 181 and the cooling unit 17
Clamp the cooling unit 17 basement membrane 20 to be processed after cooling；Second edge position control (EPC) 183, it is described
Second edge position control 183 is described for limiting between second pinch roller 182 and the cooling unit 17
The marginal position of the basement membrane 20 to be processed after cooling of cooling unit 17.
As an example, the lithium battery packaging film process units further includes several for carrying and transmitting described to be processed
The deflector roll 19 of basement membrane 20, several described deflector rolls 19 are located at interior, described first coater unit 11 1 of the unwinder unit 10
Between side, 12 both ends of the first drying unit, first drying unit 12 and second coater unit 13, described second
The side of coater unit 13, second drying unit 14 are far from described one end for being evenly heated unit 14, the thermal-adhering list
In member 16, in the cooling unit 17 and in the rolling unit 18.Wherein, in the unwinder unit 10 described in lead
Roller 19 is between the first edge position control 103 and first coater unit 11；Positioned at first coating
The deflector roll 19 of 11 side of unit is located at the side of the basement membrane 20 to be processed far from first coater unit 11, to ensure
The basement membrane to be processed 20 is bypassed between first coater unit 11 and the deflector roll 19；Positioned at second coater unit
The deflector roll 19 of 13 sides is located at the side of the basement membrane 20 to be processed far from second coater unit 13, described to ensure
Basement membrane 20 to be processed is bypassed between second coater unit 13 and the deflector roll 19；In the thermal-adhering unit 16
The deflector roll 19 quantity can be but be not limited only to four, it is thin that deflector roll 19 described in two of them is located at first macromolecule
Between film unreeling machine 161 and first pressing film roller 162, and the opposite two sides of first macromolecule membrane 21 are located at,
Other two described deflector roll 19 divides between the second macromolecule membrane unreeling machine 163 and second pressing film roller 164
It Wei Yu not the opposite two sides of second macromolecule membrane 22；The deflector roll 19 in the rolling unit 18 is located at described
Between cooling unit 17 and the second edge position control 183.
As an example, basement membrane 20 to be processed described in the utility model is by the uncoiler in the unwinder unit 10
Successively pass through first coater unit 11, first drying unit 12, second coater unit 13, institute after 101 uncoilings
State that the second drying unit 14, described to be evenly heated unit 15, the hot paste unit 16, the cooling unit 17 and the winding single
Member 18, under the drive of the rolling unit 18, the uncoiler 101 constantly unreels the basement membrane to be processed 20, meanwhile, institute
It states the first coater unit 11 to be coated the first surface of the basement membrane 20 to be processed, first drying unit 12 is to described
The basement membrane 20 to be processed after the coating of first coater unit 11 is dried, and second coater unit 13 is to described to be processed
The second surface of basement membrane 20 is coated, and second drying unit 14 is to described to be processed after second coater unit 13
Basement membrane 20 is dried, and the unit 15 that is evenly heated is to the basement membrane to be processed after second drying unit 14 drying
20 are heated, and the thermal-adhering unit 16 is evenly heated first of the basement membrane 20 to be processed after unit 15 heats to described
Surface and second surface are suppressed respectively is bonded first macromolecule membrane 21 and second macromolecule membrane 22, the cooling
Unit 17 is fitted with the basement membrane to be processed of first macromolecule membrane 21 and second macromolecule membrane 22 to surface
20 are cooled down, and the rolling unit 18 winds the basement membrane 20 to be processed after cooling.Due to each unit sustained continuous work
Make, may be implemented that the basement membrane 20 to be processed is carried out continuing uninterrupted processing, the lithium battery packaging film grower is to institute
The working process speed for stating basement membrane 20 to be processed can be 20m/min~120m/min.
Incorporated by reference to Fig. 1 to Fig. 3 refering to Fig. 4, the utility model also provides a kind of production method of lithium battery packaging film, described
Lithium battery guarantee film production method can based on but be not limited only to the grower of above-mentioned lithium battery packaging film and execute, it is described
Lithium battery packaging film production method includes the following steps:
1) basement membrane to be processed is provided, the basement membrane to be processed includes opposite first surface and second surface；
2) passivating solution is coated in the first surface and second surface of the basement membrane to be processed and dry；
3) basement membrane to be processed after drying is evenly heated；
4) first surface compacting the first macromolecule membrane of fitting of the basement membrane to be processed after being evenly heated, and in equal
Second surface compacting the second macromolecule membrane of fitting of the basement membrane to be processed after even heating；
5) surface rolling is fitted with the described to be processed of first macromolecule membrane and second macromolecule membrane
Basement membrane is cooled down；
6) basement membrane to be processed after cooling is wound.
In step 1), incorporated by reference to Fig. 1 to Fig. 3 refering to the S1 step in Fig. 4, basement membrane 20 to be processed is provided, it is described wait locate
Managing basement membrane 20 includes opposite first surface and second surface
As an example, the basement membrane to be processed 20 can be the basement membrane of entire volume, basement membrane 20 to be processed described in entire volume can be put
It is placed on the uncoiler 101 in the unwinder unit 10.
As an example, the basement membrane to be processed 20 may include but be not limited only to aluminium foil.
In step 2), incorporated by reference to Fig. 1 to Fig. 3 refering to the S2 step in Fig. 4, in the first table of the basement membrane 20 to be processed
Face and second surface coating passivating solution are simultaneously dried.
As an example, step 2) includes the following steps:
2-1) passivating solution is coated in the first surface of the basement membrane 20 to be processed；Specifically, can be applied using described first
Cloth unit 11 is coated with the passivating solution in the first surface of the basement membrane 20 to be processed；
2-2) basement membrane 20 to be processed that first surface is coated with the passivating solution is dried；
2-3) passivating solution is coated in the second surface of the basement membrane 20 to be processed；It is applied specifically, can be used described second
Cloth unit 13 is coated with the passivating solution to the second surface of the basement membrane 20 to be processed；
2-4) basement membrane 20 to be processed that second surface is coated with the passivating solution is dried.
As an example, step 2-2) in, the basement membrane 20 to be processed that first surface is coated with the passivating solution is placed in
It is dried in 80 DEG C~150 DEG C of environment；First surface is coated with specifically, first drying unit 12 can be used
The basement membrane 20 to be processed of the passivating solution is dried；Step 2-4) in, second surface is coated with the passivating solution
The basement membrane to be processed 20 is placed in 100 DEG C~260 DEG C of environment and is dried；Specifically, second drying can be used
Unit 14 dries the basement membrane 20 to be processed that second surface is coated with the passivating solution.
In step 3), incorporated by reference to Fig. 1 to Fig. 3 refering to the S3 step in Fig. 4, by the basement membrane 20 to be processed after drying
It is evenly heated.
As an example, carrying out uniformly heated temperature to the basement membrane 20 to be processed is 100 DEG C~300 DEG C, and uniformly add
In thermal process, the 20 transverse temperature difference of basement membrane to be processed within ± 5 DEG C, longitudinal temperature difference between ± 10 DEG C it
It is interior.It is evenly heated specifically, the basement membrane 20 to be processed can be placed in described be evenly heated in unit 15.
The base to be processed in step 4), incorporated by reference to Fig. 1 to Fig. 3 refering to the S4 step in Fig. 4, after being evenly heated
First surface compacting the first macromolecule membrane 21 of fitting of film 20, and second of the basement membrane 20 to be processed after being evenly heated
Surface rolling is bonded the second macromolecule membrane 22.
As an example, when the compacting of the first macromolecule membrane 21 fits in the first surface of the basement membrane to be processed 20,
The partial melting that first macromolecule membrane 21 is bonded with 20 first surface of basement membrane to be processed, and first macromolecule
The thickness of 21 puddle of film accounts for the 10%~50% of 21 overall thickness of the first macromolecule membrane；Second macromolecule
When the compacting of film 22 fits in the second surface of the basement membrane to be processed 20, second macromolecule membrane 22 is with described wait locate
The partial melting of 20 second surface of basement membrane fitting is managed, and the thickness of 22 puddle of the second macromolecule membrane accounts for described the
The 10%~50% of two macromolecule membranes, 22 overall thickness.Specifically, the basement membrane 20 to be processed after being evenly heated is placed in
In the thermal-adhering unit 16, and pasted in being suppressed in the thermal-adhering unit 16 in the first surface of the basement membrane 20 to be processed
The first macromolecule membrane 21 is closed, and the second surface compacting fitting second of the basement membrane 20 to be processed after being evenly heated is high
Molecular film 22.
In step 5), incorporated by reference to Fig. 1 to Fig. 3 refering to the S5 step in Fig. 4, it is high that surface rolling is fitted with described first
The basement membrane 20 to be processed of molecular film 21 and second macromolecule membrane 22 is cooled down.
As an example, surface rolling is fitted with first macromolecule membrane 21 and second macromolecule membrane 22
It is 60 DEG C/s~120 DEG C/s that the basement membrane to be processed 20, which carries out cooling cooling rate,.Specifically, surface rolling can be bonded
There is the basement membrane 20 to be processed of first macromolecule membrane 21 and second macromolecule membrane 22 to be placed in described cooling single
It is cooled down in member 17.
In step 6), incorporated by reference to Fig. 1 to Fig. 3 refering to the S6 step in Fig. 4, by the basement membrane 20 to be processed after cooling
Winding.
The basement membrane 20 to be processed after cooling is wound as an example, the rolling unit 18 can be used.
In conclusion the lithium battery packaging film process units of the utility model, the lithium battery packaging film process units packet
Include: the unwinder unit successively arranged, the first coater unit, the first drying unit, the second painting are moved towards in the processing along basement membrane to be processed
Cloth unit, the second drying unit are evenly heated unit, thermal-adhering unit, cooling unit and rolling unit.The utility model has
As follows the utility model has the advantages that 1, safety and environmental protection, required raw material and production process are not related to adhesive and organic solvent, volatility has
Machine compound emission is zero.It is low to workshop air draft, fire prevention, requirement of explosion proof without curing chamber；2, high production efficiency, material
Low, aluminum-plastic composite membrane time processing forming is lost, compared to Simulation Based On Multi-step processing, eliminates the rings such as material and semi-finished product circulation, curing
Section, while also reducing material and semi-finished product processing loss；3, properties of product are brilliant, and it is multiple to close the plastic-aluminum that mode is processed using hot paste
It is strong to close the resistance to scouring depth of film, corrosion resistance；4, occupied area is small, requires required design of workshop low.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (17)
1. a kind of lithium battery packaging film process units, which is characterized in that the lithium battery packaging film process units includes: along wait locate
Unwinder unit that the processing trend of reason basement membrane is successively arranged, the first coater unit, the first drying unit, the second coater unit, the
Two drying units are evenly heated unit, thermal-adhering unit, cooling unit and rolling unit.
2. lithium battery packaging film process units according to claim 1, which is characterized in that the basement membrane to be processed includes phase
Pair first surface and second surface, the coated face of first coater unit connects with the first surface of the basement membrane to be processed
Touching, is coated with the first surface to the basement membrane to be processed.
3. lithium battery packaging film process units according to claim 2, which is characterized in that the painting of second coater unit
Cloth cover is in contact with the second surface of the basement membrane to be processed, is coated with the second surface to the basement membrane to be processed.
4. lithium battery packaging film process units according to claim 3, which is characterized in that first coater unit and institute
Stating the second coater unit includes anilox roll, and the mesh number range of the anilox roll includes 100 mesh~300 mesh.
5. lithium battery packaging film process units according to claim 3, which is characterized in that the basement membrane to be processed includes aluminium
Foil, first coater unit are used to be coated with passivating solution, second coater unit to the first surface of the basement membrane to be processed
For being coated with passivating solution to the second surface of the basement membrane to be processed.
6. lithium battery packaging film process units according to claim 2, which is characterized in that the thermal-adhering unit includes:
First macromolecule membrane unreeling machine, positioned at the side of the basement membrane first surface to be processed, and with the basement membrane to be processed
First surface there is spacing, the first macromolecule membrane unreeling machine is for placing the first coiled macromolecule membrane；
First pressing film roller adheres on the first surface of the basement membrane to be processed, for fitting in first macromolecule membrane
The first surface of the basement membrane to be processed.
7. lithium battery packaging film process units according to claim 6, which is characterized in that the thermal-adhering unit also wraps
It includes:
Second macromolecule membrane unreeling machine, positioned at the side of the basement membrane second surface to be processed, and with the basement membrane to be processed
Second surface there is spacing, the second macromolecule membrane unreeling machine is for placing the second coiled macromolecule membrane；
Second pressing film roller, adheres on the second surface of the basement membrane to be processed, and described in clamping jointly with first pressing film roller
Basement membrane to be processed, second pressing film roller are used to fit in second macromolecule membrane the second table of the basement membrane to be processed
Face.
8. lithium battery packaging film process units according to claim 7, which is characterized in that first macromolecule membrane and
Second macromolecule membrane includes polyethylene film, polypropylene film, polyamide film, Kapton, gathers to benzene
In naphthalate film, polyethylene naphthalate film and polybutylene terephthalate (PBT) film at least
It is a kind of.
9. lithium battery packaging film process units according to claim 1, which is characterized in that first drying unit is used for
The basement membrane to be processed after first coater unit coating is dried using hot wind, the baking of first drying unit
Dry temperature range includes 80 DEG C~150 DEG C；Second drying unit is used to be coated with second coater unit using hot wind
The basement membrane to be processed afterwards is dried, and the drying temperature range of second drying unit includes 100 DEG C~260 DEG C.
10. lithium battery packaging film process units according to claim 1, which is characterized in that the unit that is evenly heated is adopted
With the mode of contact resistance heating to second drying unit drying after the basement membrane to be processed heat, it is described to
The surface for handling basement membrane is heated to 100 DEG C~300 DEG C in described be evenly heated in unit, and the basement membrane to be processed is laterally warm
Difference is spent within ± 5 DEG C, and longitudinal temperature difference is within ± 10 DEG C.
11. lithium battery packaging film process units according to claim 1, which is characterized in that described to be evenly heated unit packet
It includes:
Heating chamber；
Several resistance heating rollers arranged along the basement membrane extending direction parallel interval to be processed, the resistance heating roller are located at
In the heating chamber；The adjacent resistance heating roller adheres on the opposite two sides of the basement membrane to be processed respectively.
12. lithium battery packaging film process units according to claim 1, which is characterized in that the cooling of the cooling unit
Rate is 60 DEG C/s~120 DEG C/s.
13. lithium battery packaging film process units according to claim 1, which is characterized in that the cooling unit is water cooling
Unit, the water cooling unit include:
Water-cooling groove, for the basement membrane to be processed after the thermal-adhering cell processing to be carried out water cooling；
Drying unit, for drying the basement membrane to be processed after the water-cooling groove water cooling.
14. lithium battery packaging film process units according to claim 1, which is characterized in that the cooling unit is air-cooled
Unit, the wind cooling unit include air-cooler, for the basement membrane to be processed after the thermal-adhering cell processing to be carried out wind
It is cold.
15. lithium battery packaging film process units according to claim 1, which is characterized in that the unwinder unit includes:
Uncoiler, for placing the coiled basement membrane to be processed；
First pinch roller, between the uncoiler and first coater unit, for clamping the uncoiler uncoiling
The basement membrane to be processed；
First edge position control, between first pinch roller and first coater unit, for limiting
State the marginal position of basement membrane to be processed.
16. lithium battery packaging film process units according to claim 15, which is characterized in that the rolling unit includes:
Winder, for winding the basement membrane to be processed being disposed；
Second pinch roller, it is after cooling for clamping the cooling unit between the winder and the cooling unit
The basement membrane to be processed；
Second edge position control, it is described cold for limiting between second pinch roller and the cooling unit
But the marginal position of the unit basement membrane to be processed after cooling.
17. lithium battery packaging film process units according to claim 1, which is characterized in that the lithium battery packaging film is raw
Producing device further includes the deflector roll that several are used to carry and transmit the basement membrane to be processed, several described deflector rolls are located at institute
State in unwinder unit, first coater unit side, first drying unit both ends, first drying unit with it is described
Between second coater unit, the side of second coater unit, second drying unit far from described be evenly heated unit
One end, in the thermal-adhering unit, in the cooling unit and in the rolling unit.
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| CN201821201420.6U CN208827156U (en) | 2018-07-26 | 2018-07-26 | Lithium battery packaging film process units |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108995222A (en) * | 2018-07-26 | 2018-12-14 | 上海恩捷新材料科技股份有限公司 | Lithium battery packaging film process units and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108995222A (en) * | 2018-07-26 | 2018-12-14 | 上海恩捷新材料科技股份有限公司 | Lithium battery packaging film process units and method |
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Address after: 201399 No. 155 South Reed Road, Shanghai, Pudong New Area Patentee after: Shanghai Enjie New Materials Technology Co., Ltd. Address before: 201399 No. 155 South Lu highway, Pudong New Area, Pudong New Area, Shanghai. Patentee before: SHANGHAI ENERGY NEW MATERIALS TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20210208 Address after: 336000 east of Junzhou North Road, Gaoan hi tech Industrial Park, Yichun City, Jiangxi Province Patentee after: Jiangxi Ruijie New Material Technology Co., Ltd Address before: 201399 No. 155 Nanlu Highway, Pudong New Area, Shanghai Patentee before: SHANGHAI ENJIE NEW MATERIAL TECHNOLOGY Co.,Ltd. |