CN106423774A - Double-dislocation coating method and device - Google Patents
Double-dislocation coating method and device Download PDFInfo
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- CN106423774A CN106423774A CN201611033402.7A CN201611033402A CN106423774A CN 106423774 A CN106423774 A CN 106423774A CN 201611033402 A CN201611033402 A CN 201611033402A CN 106423774 A CN106423774 A CN 106423774A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/06—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length by rubbing contact, e.g. by brushes, by pads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
Abstract
The invention relates to the field of coating processing, in particular to a double-dislocation coating method and device. The method comprises the following steps of: in a substrate tightening conveying process, adopting a negative-pressure source to fit and adsorb a to-be-coated surface; after conveying a substrate to a coating position, moving a negative-pressure source, and enabling the to-be-coated surface to fit to a dislocation lip mould head; adopting a kiss-coating mode to coat the to-be-coated surface; and after coating to predetermined length, moving the negative-pressure source, and enabling the to-be-coated surface to separate from the dislocation lip mould head. The device comprises a first roller, a second roller, a negative-pressure assembly, a moving assembly and a kiss-coating assembly, wherein the first roller and the second roller are arranged in parallel at intervals; the negative-pressure assembly comprises an absorption head which is positioned between the first roller and the second roller in the conveying direction; the kiss-coating assembly comprises the dislocation lip mould head which is positioned between the absorption head and the second roller in the conveying direction, and faces towards the to-be-coated surface; and the moving assembly is connected with the negative-pressure assembly, and can drive the absorption head to move. The double-dislocation coating method and device can guarantee uniform coating weight.
Description
Technical field
The application is related to coating waste water field, more particularly, to a kind of double coating processes and devices of misplacing.
Background technology
In correlation technique, lithium battery commonly used extrusion coated mode is coated, and particularly may be divided into single dislocation coating
With double dislocation coatings.
Compared to single dislocation coating, double dislocation coatings can be obviously improved energy density, reduce the waste of material.However,
First have to the one side of base material is entered with line misregistration coating formation one side area and clear area due in double dislocation coating process, and applying
During the another side of cloth base material, back flow roll can replace cooperation with applying area and clear area, and can produce during from one side area to clear area transition
Raw obvious difference in height, leads to produce huge drop in clear area during double spread, and then affects coating weight, lead to coating weight
Amount is uneven.
And uneven the easily causing of coating weight analyses lithium risk, and in cycle cyclic process, because current density is divided
Cloth is uneven, and it is overheated that battery core local location can produce, easily contraction distortion under isolation film high-temp., thus leading to battery core short-circuit fire,
Cause security risk.
Content of the invention
This application provides a kind of double dislocation coating process and device, can solve the problem that the problems referred to above.
The first aspect of the embodiment of the present application provides a kind of double dislocation coating process, the base being coated using the method
Material two sides respectively has been coated with face and cloth cover to be coated, comprises the following steps：
(a), negative pressure source laminating is adopted to adsorb described cloth cover to be coated in described substrate tension course of conveying；
(b), after described base material is delivered to application place, mobile described negative pressure source, and change the conveyor track of described base material
Mark, makes described cloth cover to be coated fit with wrong lip die head after passing through described negative pressure source, and relative with described wrong lip die head described in
The face of having been coated with is in non-matted state；
(c), using kiss painting mode, described cloth cover to be coated is coated；
(d), after being applied to predetermined length, mobile described negative pressure source, and change the conveying track of described base material, make described
Cloth cover to be coated is departed from described mistake lip die head, thus stopping being coated with.
Preferably, in described step (a), the tensile force of described base material is 60～80N.
Preferably, in described step (a), the pressure of described negative pressure source is -20～-35KPa.
Preferably, in described step (a), the tensioning conveying direction of described base material is from the bottom to top.
The second aspect of the embodiment of the present application provides a kind of double dislocation apparatus for coating, the base being coated using this device
Material two sides respectively has been coated with face and cloth cover to be coated, and described double dislocation apparatus for coating include the first roller, the second roller, negative pressure group
Part, moving assembly and kiss apply assembly；
Described first roller and described second rolls out between-line spacing setting, and, described first roller and described second roller energy
Coordinate with described base material successively enough on the conveying direction of described base material, so that described base material can carry out tensioning between
Conveying；
Described negative pressure assembly includes adsorption head, and described adsorption head is located at described first roller and institute on described conveying direction
State between the second roller, and negative pressure laminating can be relied on to adsorb described cloth cover to be coated；
Described kiss applies assembly and includes wrong lip die head, described mistake lip die head be located on described conveying direction described adsorption head with
Between described second roller, and towards described cloth cover to be coated；
Described moving assembly is connected with described negative pressure assembly, and described adsorption head can be driven to move, so that described absorption
Head changes the conveying track of described base material, and described cloth cover to be coated is fitted/departed from described mistake lip die head.
Preferably, described first roller is located at the lower section of described second roller.
Preferably, the spacing between described adsorption head and described mistake lip die head is 50～100mm.
Preferably, described adsorption head is provided with some adsorption holes, described adsorption hole is along between the width of described base material
Every arrangement.
Preferably, the aperture of described adsorption hole is 0.5～2mm.
Preferably, the spacing of described adsorption hole is 8～12mm.
Preferably, described mistake lip die head includes die head lower lip and die head upper lip,
Described die head lower lip is set gradually on described conveying direction with described die head upper lip, described die head lower lip and institute
State die head upper lip and constitute wrong bead structure, described die head upper lip compares described die head lower lip away from described base material, and on described die head
Lip is 100～150 μm with the wrong lip scope of described die head lower lip.
The technical scheme that the embodiment of the present application provides can reach following beneficial effect：
Double dislocation coating processes that the embodiment of the present application is provided and device change base material using the movement of negative pressure source
Conveying track, and then control the matching relationship between base material and wrong lip die head, to control coating process.Due to wrong in coating process
Lip die head is fitted with cloth cover to be coated all the time, and therefore coating thickness and coating weight uniformly, are not in relatively large deviation, effectively drop
Low analysis lithium risk.
It should be appreciated that above general description and detailed description hereinafter are only exemplary, can not be limited this
Application.
Brief description
The use state schematic diagram of a kind of double dislocation apparatus for coating that Fig. 1 is provided by the embodiment of the present application；
The cross-sectional view of the adsorption head that Fig. 2 is provided by the embodiment of the present application；
The main structure diagram of the adsorption head that Fig. 3 is provided by the embodiment of the present application.
Reference：
1- base material；
10- has been coated with face；
12- cloth cover to be coated；
2- double dislocation apparatus for coating；
20- first roller；
22- second roller；
24- negative pressure assembly；
240- adsorption head；
240a- adsorption hole；
242- negative pressure line；
26- kiss applies assembly；
260- mistake lip die head；
260a- die head lower lip；
260b- die head upper lip；
262- feed unit；
28- moving assembly；
280- servomotor；
282- screw mandrel.
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the enforcement meeting the application
Example, and be used for explaining the principle of the application together with specification.
Specific embodiment
Below by specific embodiment and combine accompanying drawing the application is described in further detail.Described in literary composition
"front", "rear", "left", "right", " on ", D score all with the double dislocation apparatus for coating in accompanying drawing as reference.
The embodiment of the present application provides a kind of double dislocation apparatus for coating 2, as shown in figure 1, be coated using this device
The two sides of base material 1 respectively has been coated with face 10 and cloth cover to be coated 12, wherein, has been coated with face 10 in the middle of operation before
Coating layer in coating, forms one side area and clear area.
Continuing with referring to Fig. 1, double dislocation apparatus for coating 2 include the first roller 20, the second roller 22, negative pressure assembly 24, mobile group
Part 28 and kiss apply assembly 26.
First roller 20 and the setting of the second roller 22 parallel interval, the generally rotation of the first roller 20 and the second roller 22
Axle is all and plane-parallel.Base material 1 is entered with the first roller 20 and the second roller 22 on conveying direction (sensing of in figure arrow) successively
Row cooperation, so that base material 1 can carry out tensioning conveying between.Specifically, base material 1 can successively with the first roller 20 and
Second roller 22 roll surface laminating, realized using the active force that roll surface is carried out and base material 1 between base material 1 course of conveying steering with
And tensioning.
Generally, base material 1 can be by the face that has been coated with 10 towards the first roller 20 and the second roller 22, using one side when being conveyed
Area and applying area are fitted with the first roller 20 and the second roller 22, and the conveying track of base material 1 is in the first roller 20 and the second roller
All there is 90 degree of rotation at 22, form similar C-shaped configuration (referring to Fig. 1).This structure can will be to be coated compared with limits
Face 12 displays, so that negative pressure assembly 24 and kiss apply the setting of assembly 26.But in extreme circumstances, also it is not excluded for base material 1 meeting
By cloth cover 12 to be coated towards one of in the first roller 20 or the second roller 22, form the conveying track of similar S-shaped.
As shown in figure 1, negative pressure assembly 24 includes adsorption head 240, in addition, it may further comprise for the negative pressure line conveying negative pressure
242 and for producing the parts such as the vavuum pump (not shown) of negative pressure, adsorption head 240 be located in the conveying direction the first roller 20 with
And second between roller 22 that is to say, that carrying out with conveying, a same part for base material 1 can pass sequentially through the first roller 20, absorption
240 and second roller 22.The inside of adsorption head 240 carries negative pressure, when the cloth cover to be coated 12 of base material 1 passes through adsorption head 240,
Adsorption head 240 just can rely on negative pressure laminating to adsorb cloth cover 12 to be coated, so that cloth cover to be coated 12 can against adsorption head 240 and slide
Dynamic.
Double dislocation apparatus for coating 2 that the present embodiment is provided do not adopt extrusion assembly, the substitute is and employ kiss
Apply assembly 26.As shown in figure 1, kiss applies assembly 26 includes wrong lip die head 260, in figure also show simultaneously to be entered for wrong lip die head 260
Feed unit 262 of row feed etc., wrong lip die head 260 is located between adsorption head 240 and the second roller 22 in the conveying direction, and court
To cloth cover 12 to be coated.
Moving assembly 28 is connected with negative pressure assembly 24, and adsorption head 240 can be driven mobile, due to adsorption head 240 and base
The cloth cover to be coated 12 laminating absorption of material 1, therefore when adsorption head 240 is mobile, due to suction function, base material 1 passes through the first roller 20
After may proceed to convey to adsorption head 240, thus realize using the movement of adsorption head 240 change base material 1 conveying track mesh
's.
As shown in Figures 2 and 3, the adsorption head 240 that the present embodiment is provided is provided with some adsorption hole 240a, these suctions
Attached hole 240a is all connected with negative pressure line 242, thus forming subnormal ambient to adsorb cloth cover 12 to be coated.In order to keep the flat of base material 1
Whole, adsorption hole 240a needs to be intervally arranged along the width of base material 1, makes base material 1 institute in the direction of the width in course of conveying
The absorption affinity being subject to is more uniform, and base material 1 does not occur fold.The aperture of adsorption hole 240a has extremely important for adsorption effect
Impact, the aperture of adsorption hole 240a is less, and the absorption affinity of generation is lower, and required negative pressure is also higher, technological requirement and
Control difficulty larger, and if the aperture of adsorption hole 240a is too big, be likely to make base material 1 that shape to occur in the presence of absorption affinity
Become, or even enter partly into the inside of adsorption hole 240a, equally can cause adverse consequences.Verify by analysis, adsorption hole 240a
Aperture more suitable in the range of 0.5～2mm.The spacing of adsorption hole 240a also can produce shadow for absorption affinity distribution and size
Ring, excessively intensive or excessively sparse all can adversely affect.In the present embodiment, the spacing between adsorption hole 240a is general
It is maintained at the preferred range of 8～12mm.
The coating process of wrong lip die head 260 needs to carry out fitting with cloth cover 12 to be coated to contact, for example, as shown in figure 1, at this
In embodiment, wrong lip die head 260 includes die head lower lip 260a and die head upper lip 260b, die head lower lip 260a and die head upper lip
260b sets gradually in the conveying direction, and die head lower lip 260a and die head upper lip 260b constitutes wrong bead structure, wherein, on die head
Lip 260b compares die head lower lip 260a will be away from base material 1.When being coated, cloth cover 12 to be coated needs and die head lower lip 260a patch
Close, due to the certain position that can stagger between die head upper lip 260b and die head lower lip 260a, therefore coating can be released in staggered positions
Bleed off pressure power and form infiltration angle, with the conveying of base material 1, coating is just endlessly coated on applied face 12.At this
In embodiment, the wrong lip scope of die head upper lip 260b and die head lower lip 260a, preferably at 100～150 μm, can be formed preferably
Infiltration angle.And under the state that is not coated with, need between wrong lip die head 260 and the cloth cover to be coated 12 of base material 1 in disengaged position, two
Certain gap is left, now the course of conveying of base material 1 just will not be with coating process, thus realizing in coating between person
Disconnected.
Therefore, the conveying track main purpose changing base material 1 is to control the carrying out of coating.Driven by moving assembly 28 and inhale
The movement of attached 240, can change the conveying track of base material 1, enable base material 1 when needing coating with by cloth cover to be coated 12 with
The die head lower lip 260a laminating of wrong lip die head 260, can change the conveying track of base material 1 again, make to be coated when not needing to be coated with
Cloth cover 12 is departed from die head lower lip 260a.
Moving assembly 28 is preferably such that adsorption head 240 moves along the thickness direction of base material 1, this move mode
Change base material 1 being conveyed to track is the most obvious.In order to realize stable movement, servomotor 280 and screw mandrel can be adopted
282 cooperatively form moving assembly 28, screw mandrel 282 with negative pressure assembly 24 or are directly threadeded with adsorption head 240, dependence is watched
Take motor 280 drive screw 282 to rotate, and be threaded connection rotation is converted to linear motion, final drive adsorption head 240
Mobile.
In the present embodiment, base material 1 is shaken when being conveyed between adsorption head 240 and the second roller 22 unavoidably,
And this jitter distance adsorption head 240 is more remote more violent.On the one hand violent shake may affect the uniformity of coating, separately
On the one hand can also affect on the fit-state between wrong lip die head 260 and cloth cover to be coated 12, or even cause coating to interrupt.In order to keep away
Exempt to shake and coating process produced with larger negative effect, the spacing between adsorption head 240 and wrong lip die head 260 is unsuitable excessive,
If got too close between adsorption head 240 and wrong lip die head 260, again can be to aspects such as the coordinations of structure design and each part
Bring challenges, therefore, the spacing between adsorption head 240 and wrong lip die head 260 is generally kept in the range of 50～100mm.
In the present embodiment, in order to improve the uniformity coefficient of coating, preferably the first roller 20 is located at the lower section of the second roller 22,
So, the conveying track of base material 1 can keep up conveying between the first roller 20 and the second roller 22.When being coated, die head
Lower lip 260a is contacted with cloth cover 12 to be coated, and coating is then applied on cloth cover 12 to be coated with being delivered up process of base material 1,
Infiltration angle in coating process is it can be avoided that being affected by gravity and being extended downwards it is thus possible to preferably keep coating uniformly
Degree.
Present embodiments provide a kind of double dislocation coating process, specifically comprise the steps of：
S10, in substrate tension course of conveying adopt negative pressure source laminating adsorb cloth cover to be coated；
S20, after base material is delivered to application place, movable negative-pressure source, and change the conveying track of base material, make cloth cover to be coated
By fitting with wrong lip die head after negative pressure source, and the have been coated with face relative with wrong lip die head is in non-matted state；
S30, treat coated face and be coated using kiss painting mode；
S40, after being applied to predetermined length, movable negative-pressure source, and change the conveying track of base material, make cloth cover to be coated with wrong
Lip die head departs from, thus stopping being coated with.
The method can be implemented by double dislocation apparatus for coating 2 that the present embodiment is provided, and applies this pair of dislocation below
Cloth method is combined with double dislocation apparatus for coating 2 and illustrates.
In said method, S10 is mainly realized by the first roller 20, the second roller 22 and negative pressure assembly 24, the first roller 20
And second roller 22 be responsible for realizing the tensioning conveying of base material 1, tension force typically will reach 60～80N.It should be noted that the first roller
20 and second roller 22 may be used only to keep tension force, and adjust tension force and it is not absolutely required to the first roller 20 and the second roller 22
To realize, for example, it is possible to base material 1 is realized tension adjustment by other tension adjustment assembly.Negative pressure group under initial state
The adsorption head 240 of part 24 is just fitted with cloth cover 12 to be coated absorption, and the pressure of adsorption head 240 is maintained in the range of -20～-35KPa.
In S20, judge that the mode whether base material 1 has been delivered to application place has many kinds, the appropriate location on base material 1
Setting is specific to be identified, and passes through the sensors such as infrared, photoelectricity afterwards and base material 1 is uninterruptedly monitored, when recognizing on base material 1
Specific identifier when just can determine whether out to be delivered to application place.This identification process can be carried out by PLC.When recognizing spy
After calibration is known, PLC generates a control signal, controls servomotor 280 to start, and drives screw mandrel 282 to rotate, and then makes absorption
240 are moved.The change of the mobile conveying track that can lead to base material 1 of adsorption head 240, and the target location of movement is
Cloth cover 12 to be coated can be fitted with wrong lip die head 260 after passing through adsorption head 240.Now, because wrong lip die head 260 is in absorption
240 and second between roller 22, and therefore on base material 1, the have been coated with face 10 relative with wrong lip die head 260 is in the state of being completely exposed,
There is no any support, the spacing between cloth cover 12 to be coated and wrong lip die head 260 can rely on adsorption head 240 to be controlled.
Wrong lip die head 260 just proceeds by S30 after fitting with cloth cover 12 to be coated, and in this step, coating pressure is preferably protected
Hold in the range of 10～40KPa.Now can synchronously calculate coating length by encoder or other means, certainly also not arrange
Apply cloth length except controlling using other means.
When painting cloth length reaches requirement, PLC sends control signal again, controls servomotor 280 to drive screw mandrel 282 anti-
To rotation, make wrong lip die head 260 depart from the contact with cloth cover 12 to be coated, complete coating process.
In coating process, no matter having been coated with face 10 is one side area or clear area, cloth cover to be coated 12 and wrong lip die head 260
Die head lower lip 260a fit together all the time, the spacing of the two will not change substantially, therefore, it is possible to ensure coating thickness
And coating weight is uniformly, is not in relatively large deviation, effectively reduce analysis lithium risk.
Below by experimental data, double dislocation coating processes of the application are entered with conventional double dislocation coating weight uniformity
Row Experimental comparison, further illustrates the technique effect of technical scheme.Experiment parameter and result referring to Tables 1 and 2, in reality
Test in example and comparative example it is desirable to coating weight is 31mg.
Double dislocation coating process experimental example 1-16 parameters of table 1 the application and measurement result
The conventional double dislocation coating comparative example 1-4 parameters of table 2 and measurement result
The standard deviation that can be seen that the coating weight in experimental example by the experimental result of experimental example and comparative example can reach
To less than 1, surface density uniformity is less than 10%, and reaches optimal value in tension force 75N, and the standard deviation in comparative example all exists
More than 2, even above 3, surface density uniformity is also all more than 20%.Therefore, double dislocation coating processes that experimental example is adopted
It is more uniformly distributed compared with the coating weight of the conventional double dislocation coating processes in comparative example.
Double dislocation coating processes that the embodiment of the present application is provided and device ensure that coating thickness and coating weight
Uniformly, be not in relatively large deviation, effectively reduce analysis lithium risk.
The foregoing is only the preferred embodiment of the application, be not limited to the application, for the skill of this area
For art personnel, the application can have various modifications and variations, any modification, equivalent substitution and improvement made based on the application
Deng should be included within the protection domain of the application.
Claims (11)
1. a kind of double dislocation coating process, the base material two sides being coated using the method respectively has been coated with face and to be coated
Face is it is characterised in that comprise the following steps：
(a), negative pressure source laminating is adopted to adsorb described cloth cover to be coated in described substrate tension course of conveying；
(b), after described base material is delivered to application place, mobile described negative pressure source, and change the conveying track of described base material, make
Described cloth cover to be coated fit with wrong lip die head after passing through described negative pressure source, and relative with described wrong lip die head described in have been coated with
Face is in non-matted state；
(c), using kiss painting mode, described cloth cover to be coated is coated；
(d), after being applied to predetermined length, mobile described negative pressure source, and change the conveying track of described base material, make described to be coated
Cloth cover is departed from described mistake lip die head, thus stopping being coated with.
2. as claimed in claim 1 double dislocation coating processes it is characterised in that in described step (a), the tensioning of described base material
Power is 60～80N.
3. as claimed in claim 1 double dislocation coating processes it is characterised in that in described step (a), the pressure of described negative pressure source
It is by force -20～-35KPa.
4. as claimed in claim 1 double dislocation coating processes it is characterised in that in described step (a), the tensioning of described base material
Conveying direction is from the bottom to top.
5. a kind of double dislocation apparatus for coating, the base material two sides being coated using this device respectively has been coated with face and to be coated
Face is it is characterised in that described double dislocation apparatus for coating includes the first roller, the second roller, negative pressure assembly, moving assembly and kiss painting group
Part；
Described first roller and described second rolls out between-line spacing setting, and, described first roller and described second roller can be
Coordinate with described base material successively on the conveying direction of described base material so that described base material can to carry out tensioning between defeated
Send；
Described negative pressure assembly includes adsorption head, and described adsorption head is located at described first roller and described the on described conveying direction
Between two rollers, and negative pressure laminating can be relied on to adsorb described cloth cover to be coated；
Described kiss applies assembly and includes wrong lip die head, described mistake lip die head be located on described conveying direction described adsorption head with described
Between second roller, and towards described cloth cover to be coated；
Described moving assembly is connected with described negative pressure assembly, and described adsorption head can be driven to move, so that described adsorption head changes
Become the conveying track of described base material, and described cloth cover to be coated is fitted/departed from described mistake lip die head.
6. as claimed in claim 5 double dislocation apparatus for coating it is characterised in that described first roller be located at described second roller under
Side.
7. as claimed in claim 6 double dislocation apparatus for coating it is characterised in that described adsorption head and described mistake lip die head between
Spacing be 50～100mm.
8. the double dislocation apparatus for coating as described in any one of claim 5 to 7 are it is characterised in that be provided with described adsorption head
Some adsorption holes, described adsorption hole is intervally arranged along the width of described base material.
9. as claimed in claim 8 double dislocation apparatus for coating it is characterised in that described adsorption hole aperture be 0.5～2mm.
10. as claimed in claim 8 double dislocation apparatus for coating it is characterised in that described adsorption hole spacing be 8～12mm.
11. as claimed in claim 5 double dislocation apparatus for coating it is characterised in that described mistake lip die head include die head lower lip with
And die head upper lip,
Described die head lower lip is set gradually on described conveying direction with described die head upper lip, described die head lower lip and described mould
Head upper lip constitutes wrong bead structure, and described die head upper lip compares described die head lower lip away from described base material, and described die head upper lip with
The wrong lip scope of described die head lower lip is 100～150 μm.
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| CN201611033402.7A CN106423774A (en) | 2016-11-22 | 2016-11-22 | Double-dislocation coating method and device |
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| CN201611033402.7A CN106423774A (en) | 2016-11-22 | 2016-11-22 | Double-dislocation coating method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113083616A (en) * | 2021-04-07 | 2021-07-09 | 深圳市曼恩斯特科技股份有限公司 | Coating extrusion die face density external adjusting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113083616A (en) * | 2021-04-07 | 2021-07-09 | 深圳市曼恩斯特科技股份有限公司 | Coating extrusion die face density external adjusting device |
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