CN107877943B - A kind of preparation method of the bend glass containing ink logo - Google Patents
A kind of preparation method of the bend glass containing ink logo Download PDFInfo
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- CN107877943B CN107877943B CN201610863923.9A CN201610863923A CN107877943B CN 107877943 B CN107877943 B CN 107877943B CN 201610863923 A CN201610863923 A CN 201610863923A CN 107877943 B CN107877943 B CN 107877943B
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- 239000011521 glass Substances 0.000 title claims abstract description 71
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 238000013003 hot bending Methods 0.000 claims abstract description 66
- 238000000465 moulding Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000000758 substrate Substances 0.000 claims description 16
- 238000005520 cutting process Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 10
- 238000007639 printing Methods 0.000 claims description 9
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 claims description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 claims description 3
- 229920002799 BoPET Polymers 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 7
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000007731 hot pressing Methods 0.000 description 3
- 238000003854 Surface Print Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10779—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing polyester
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/0007—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality
- B32B37/003—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality to avoid air inclusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/0076—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised in that the layers are not bonded on the totality of their surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
- B32B37/1009—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure using vacuum and fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
- B32B37/1018—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure using only vacuum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0036—Heat treatment
- B32B38/004—Heat treatment by physically contacting the layers, e.g. by the use of heated platens or rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
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- B32B2307/306—Resistant to heat
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quality & Reliability (AREA)
- Thermal Sciences (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Laminated Bodies (AREA)
- Printing Methods (AREA)
Abstract
The present invention provides a kind of preparation method of bend glass containing ink logo, includes the following steps: to print；Film hot bending: the resulting film plain film of previous step is put into hot bending in film hot bending die, the molding temperature of hot bending is 60~85 DEG C, and the film plain film hot bending shape is film knee-piece；And the size for designing film hot bending die makes the curvature of gained film knee-piece be greater than the curvature of the bend glass and reserve rebound surplus to film knee-piece；And the bend glass containing ink logo is obtained after laminating step.The present invention is by the way that ink logo to be printed on film material, and the film is separately formed, the rebound surplus of the setting film, bubble when specific film base material thickness and the specific film hot bending molding conditions such as temperature being selected to solve fitting in the preparation process of the bend glass containing ink logo, fold, impression and the problems such as pressure break.The bend glass surface ink pattern accuracy that the present invention obtains is high, product appearance is beautiful.
Description
Technical field
The present invention relates to the processing methods of glass, and in particular to a kind of preparation method of the bend glass containing ink logo.
Background technique
The technique of conventional planar glass surface pattern processing is on planographic ink logo to plain film glass, specifically used
The methods of silk-screen, mimeograph, bat printing.It includes the curved glass in center board region and surrounding that 3D bend glass, which can be a kind of,
3D screen has become a kind of fashion trend and fashion, such as mobile phone, tablet computer, wrist-watch, earphone screen panel may make
With 3D screen, thus glass surface printing is also changed into 3D curve surface printing from traditional planographic.But due to 3D glass product
Structural property, if the pattern printed is in 3D curved surface glass when printing 3D bend glass using traditional glass printing scheme
Dimensional accuracy is not high on glass, dim design, and curved surface and four corners on some places especially 3D bend glass
It will appear the problems such as ink printing is not in place.
Chinese patent application 201310624893.2 discloses a kind of manufacturing method of three-dimensional adhering film to glass, including following step
It is rapid: a film (such as polyethylene terephthalate film) with a body layer and an adhesion layer is provided；By a three-dimensional glass with
Film is placed in a hot pressing die, and adhesion layer is correspondingly arranged with three-dimensional glass；One predetermined temperature (50 DEG C to 130 DEG C) and one are provided
Predetermined pressure (1 to 3 atmospheric pressure) at least one in film, make film preform；And hot pressing die presses preform
Film and three-dimensional glass, be bonded to each other film with solid glass.This method keeps film smooth and uniformly fits in
Three-dimensional glass is equally applicable for the three-dimensional glass with different radian curved surfaces.Wherein above-mentioned film further includes functional layer, above-mentioned function
Ergosphere include ink layer, conductive layer, or combinations thereof.But this method weighs risk wounded there are very high, and the three-dimensional glass prepared produces
What product not can guarantee film and three-dimensional glass is bonded 100% bubble-free of section.
Therefore, specifically a kind of there is a need in the field to provide a kind of preparation method of new bend glass containing ink logo
Low pressure cold danger even nothing, which weighs risk wounded and adheres between the film layer of ink and three-dimensional glass, is bonded complete bubble-free, without quadrangle circle
Arc fold, the bend glass preparation method containing ink logo without impression.
Summary of the invention
The present invention provides a kind of preparation method of bend glass containing ink logo, includes the following steps:
Step A, print: printing ink logo on film plain film, the film substrate of the film with a thickness of 40~60
Micron；
Step B, the resulting film plain film of step A film hot bending: is put into hot bending in film hot bending die, the molding of hot bending
Temperature is 60~85 DEG C, and the film plain film hot bending shape is film knee-piece, and ink logo is located at the concave surface of the film knee-piece
The convex surface and/or；And the size for designing film hot bending die makes the curvature of gained film knee-piece be greater than the bend glass
Curvature and reserve rebound surplus to film knee-piece；
Step C, it is bonded: the inner concave of the arcuate surface of film knee-piece obtained by step B and bend glass being used vacuum abutted
Equipment fitting obtains the bend glass containing ink logo.
In step A of the present invention, when the thickness of film substrate is too low, the binding face of film product has fold after plain film hot bending,
There is protrusion in quadrangle, and the ductility of film is general, is not resistant to 120~180 DEG C of high temperature.And the thickness of film substrate is excessively high
When, it is easy to wrinkle after hot bending, form unstable.Therefore, the thickness of film substrate is advisable in the present invention with 40~60 microns.?
In a kind of specific embodiment, when the ink logo printed in step A is rim area pattern, the area size of printed patterns is wanted
Greater than the size after cutting.In step B, molding temperature is 60~85 DEG C the most suitable.When molding temperature greater than 85 DEG C, the film
It is serious by high-temperature shrinkage, serious buckling deformation is generated after hot bending.
In a kind of specific embodiment, the film hot bending die include upper mold bullet block, the upper mold bullet block to
Lower ejection stroke is 2~8mm, preferably 3~5mm, and upper mold bullet block pushes down the film and makes the film in hot bending when for preparing molding
It keeps not shifting in the process, and ensures that the film will not stick to upper mold and stay in lower die after die sinking.
In a kind of specific embodiment, further include the steps that cutting the film plain film with ink logo in step A, it is excellent
It is cut into described in choosing and the size of plane is launched into according to the film knee-piece obtained after molding and cuts film plain film.
In a kind of specific embodiment, the film substrate is PET film, and the film includes film substrate and single side
The OCA glue-line of film substrate is covered, and the OCA bondline thickness is 20~35 microns.
In a kind of specific embodiment, in the film hot bending die film plain film by multiple outer periphery Positioning blocks and
Vacuum suction positioning, and first the cooling mold of opening again of pressure maintaining takes out film knee-piece, the phenanthrene to the film in cooling water after hot bending
Upper die component and lower mold assemblies in woods hot bending die carry out molding positioning by multiple groups guide pillars and bushes.
It is directly taken out if the film is not cooling after hot bending, buckling deformation is big due to product expands with heat and contract with cold, Jin Erying
Ring the formed precision of film knee-piece；In the present invention, film pressure maintaining in mold is cooling, and the surface heat of film product passes to
The temperature of water, the film is gradually lower, and shrinks very little, and deflection also very little meets normal production requirement.
In a kind of specific embodiment, the molding temperature of hot bending is 65~75 DEG C in step B, and clamping pressure is
500~650kgf, preferably 520~620kgf, the hot bending time be 90~150s, cooling time 20~40s.It is grasped under such parameter
Make the problem of resulting film knee-piece is not in quadrangle fold.
In a kind of specific embodiment, the curvature of film knee-piece is greater than the curvature of the bend glass and makes
It is 0.2~1.0mm that the crooked radian of film knee-piece, which inside contracts distance d relative to the crooked radian of bend glass, after film hot bending, excellent
It is selected as 0.3~0.8mm.The d is the outer point of the indent camber line on bend glass inner concave to the film knee-piece
Parallel tangents distance between the camber line of arcuate surface.
In a kind of specific embodiment, the cutting method in step A is that cutting die is die cut or is cut by laser, in step B
Film hot bending uses hydraulic-driven.When using the cutting die cross cutting plain film film, cutting die is designed according to film outer dimension, is cut
The dimensional accuracy for cutting the rear film can guarantee in ± 0.02mm the margin of tolerance.When using the plain film film is cut by laser, after cutting
The dimensional accuracy of the film can guarantee in ± 0.05mm the margin of tolerance.
In a kind of specific embodiment, vacuum abutted preceding bent by the ccd image sensor crawl film in step C
The benchmark that is bonded of piece and bend glass, and both make in vacuum abutted equipment after fitting closely, it further include that high pressure is carried out to it
The process of de-bubble.
In a kind of specific embodiment, the PET base material of the film described in step A is with a thickness of 50 microns, the OCA of the film
Bondline thickness is 25 microns.
The present invention at least have it is following the utility model has the advantages that
1, in the present invention, first the plain film film is contoured to separately through mold hot bending the arc shape of 3D glass, and reserve
The rebound surplus of the film, then film knee-piece is bonded with 3D bend glass.The present invention is separately formed by the film, the setting film
Rebound surplus selects the conditions such as specific film base material thickness and specific film hot bending molding temperature to solve containing ink logo
Bend glass preparation process in be bonded when bubble the problems such as.
2, the printing ink material that selects of the present invention be high temperature resistant, the malleable film, the present invention overcomes completely
The problems such as fold of the film and glass bonding, bubble, impression, and film knee-piece size stable molding, Anawgy accuracy is good, after hot bending
Film bending deformation is small.
3, in the present invention, the temperature of film hot bending is low, and the ink layer quality printed thereon is not by the shadow of film hot bending process
It rings.In the present invention, glass is not intended as the mold of the film hot bending at a high temperature of 700~800 DEG C after independent hot bending, is greatly reduced
The pressure break risk of 3D bend glass.The mold and hot bending parameter that it is used alone are arranged to film hot bending by the present invention, so that the film
Best match is realized with 3D bend glass after hot bending.
4, the bend glass surface ink pattern accuracy that the present invention obtains is high, product appearance is beautiful.Present invention process is simple,
Reliability is higher, strong operability, and application easy to spread, cost is relatively low, and practical value is high.
Detailed description of the invention
Fig. 1 is the positional structure schematic diagram of film knee-piece and bend glass before being bonded, and 1 is bend glass in figure, and 2 be the film
Knee-piece.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail.
The plain film film of the invention includes film substrate and OCA glue-line, and is covered in film substrate side " light exfoliated
Film ", thickness are, for example, 0.05mm, and the face is for printing ink after tearing " light exfoliated film " off；And it is covered in OCA glue-line side
Have " release film ", thickness is, for example, 0.1mm, and the face is used to paste with bend glass after tearing " release film " off.
It is planar structure centered on the film knee-piece obtained after hot bending in the present invention and surrounding is arc side structure, with 3D curved surface
Glass structure is similar but there are the structures that the film springs back surplus.
Examples 1 to 3 and comparative example 1~2
The present invention provides a kind of preparation method of bend glass containing ink logo, includes the following steps:
Step A, print and cut: printing ink logo on film plain film, the film substrate of the film with a thickness of
40~60 microns (film base material thickness is less than 40 microns in comparative example 1 and 2), cut the film plain film with ink logo；
Step B, film hot bending: the film plain film after cutting is put into hot bending in film hot bending die, the molding temperature of hot bending
Degree is 60~80 DEG C, and the film plain film hot bending shape is film knee-piece, and ink logo is located at the concave surface of the film knee-piece；And
Design film hot bending die size make gained film knee-piece curvature be greater than the bend glass curvature and to phenanthrene
Woods knee-piece reserves rebound surplus；
Step C, it is bonded: the inner concave of the arcuate surface of film knee-piece obtained by step B and bend glass being used vacuum abutted
Equipment fitting obtains the bend glass containing ink logo.
Specifically during step B film hot bending shape, including following operating procedure, position the film → vacuum suction film
→ molding hot pressing → cooling → die sinking → taking-up film.And heating device is closed between molding heat-press step and cooling step,
And heating device is opened between cooling step and die sinking step.Its technique when using the four column Hydraulically Operated Equipment hot bending films
Parameter is for example are as follows: the product orientation and adsorption time of the hot bending film are 5s, when upper mold warming time and lower die warming
Between be 70s, the pump capacity of cooling water is 50L/Min.The first pressing time is 1s during hot bending, then pressing the time is 30s, cooling
The water pump operation time is 35s, and the upper tubing pressure before die sinking is 1205kgf (gauge pressure), and lower tubing pressure is 508kgf, upper mold temperature
Degree is 66.3 DEG C, and lower die temperature is 65.2 DEG C；Upper tubing pressure after die sinking is 1021kgf, and lower tubing pressure is 464kgf,
Upper mold temperature is 51.5 DEG C, and lower die temperature is 53.7 DEG C.Taking-up product time-consuming is 5s, hot bending period total 120s.
Film hot bending crosses Cheng Qian, it is contemplated that film does not have functional hole and auxiliary positioning feature, we take it outer
Four Bian Dingwei of shape, the mode that upper mold compact heap (upper mold bullet block) compresses realize the precision of film hot bending shape.As shown in Figure 1, luxuriant and rich with fragrance
The crooked radian of woods knee-piece 2 is 0.5mm relative to the size d that inside contracts of bend glass 1, and the molding mold of the film similarly accordingly compares
The radian of 3D glass inside contracts 0.5mm.
During step C is vacuum abutted and high pressure de-bubble, first pass through CCD crawl film knee-piece using vacuum abutted board
With the benchmark of 3D bend glass, after fitting closely the two, high pressure de-bubble technology is carried out to reach 3D glass surface ink figure
The effect of case precision height and appearance looks elegant.During de-bubble, 45 DEG C of de-bubble 15min of pressure and temperature of 6.5kgf are first used,
The 25 DEG C of de-bubble 15min of pressure and temperature for using 6.5kgf again, finally use 45 DEG C of de-bubble 3min of pressure and temperature of 6.5kgf.
The curved surface containing ink logo obtained by the film substrate of different-thickness has been investigated in Examples 1 to 3 and comparative example 1~2
The preparation method of glass, is specifically shown in Table 1.
Table 1
In addition, inventor is found through experiments that, (as more than 60 microns) when the thickness of film substrate is excessively high, after film hot bending
It is easy to wrinkle, form unstable.In conjunction with 1 experimental result of table it is found that the PET base material of the film with a thickness of 40~60 microns, and
OCA glue-line it is ideal with a thickness of effect at 20~30 microns.According to the film (PET base material of experimental result final choice SKC brand
50 μm of 25 μm of+OCA) film as large-scale application.
The present invention by ink logo being printed on the film material to be bonded with bend glass, and the film individually at
Type, the rebound surplus that the film is arranged select the conditions solution such as specific film base material thickness and specific film hot bending molding temperature
Bubble, fold, impression when being bonded in the preparation process of the bend glass containing ink logo of having determined and the problems such as pressure break.This hair
Bright obtained bend glass surface ink pattern accuracy is high, product appearance is beautiful.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of preparation method of the bend glass containing ink logo, which comprises the steps of:
Step A, print: printing ink logo on film plain film, the film substrate of the film with a thickness of 40~60 microns；
Step B, the resulting film plain film of step A film hot bending: is put into hot bending in film hot bending die, the molding temperature of hot bending
Be 60~85 DEG C, the film plain film hot bending shape be film knee-piece, ink logo be located at the film knee-piece concave surface and/or
Convex surface；And the size for designing film hot bending die makes the curvature of gained film knee-piece greater than the curvature of the bend glass
And rebound surplus is reserved to film knee-piece；
Step C, it is bonded: the inner concave of the arcuate surface of film knee-piece obtained by step B and bend glass is used into vacuum abutted equipment
Fitting obtains the bend glass containing ink logo.
2. preparation method according to claim 1, which is characterized in that the film hot bending die includes upper mold bullet block, described
The downward ejection stroke of upper mold bullet block is 2~8mm, and upper mold bullet block pushes down the film and makes the film in heat when for preparing molding
It keeps not shifting during curved, and ensures that the film will not stick to upper mold and stay in lower die after die sinking.
3. preparation method according to claim 1, which is characterized in that further include cutting the film with ink logo in step A
The step of plain film, described be cut into are launched into the size of plane according to the film knee-piece obtained after molding and cut film plain film.
4. preparation method according to claim 1, which is characterized in that the film substrate is PET film, and the film includes phenanthrene
The OCA glue-line of woods substrate and single side covering film substrate, and the OCA bondline thickness is 20~35 microns.
5. preparation method according to claim 1, which is characterized in that film plain film passes through multiple in the film hot bending die
Outer periphery Positioning block and vacuum suction positioning, and first the cooling mold of opening again of pressure maintaining takes out the film to the film in cooling water after hot bending
Knee-piece, upper die component and lower mold assemblies in the film hot bending die carry out molding positioning by multiple groups guide pillars and bushes.
6. preparation method according to claim 1, which is characterized in that the molding temperature of hot bending is 65~75 DEG C in step B,
Clamping pressure be 500~650kgf, the hot bending time be 90~150s, cooling time 20~40s.
7. preparation method according to claim 1, which is characterized in that the curvature of film knee-piece is greater than the bend glass
Curvature and the crooked radian of film knee-piece after film hot bending inside contract distance d relative to the crooked radian of bend glass to be
0.2~1.0mm.
8. preparation method according to claim 3, which is characterized in that the cutting method in step A is cutting die cross cutting or laser
It cuts, film hot bending uses hydraulic-driven in step B.
9. preparation method described according to claim 1~any one of 8, which is characterized in that vacuum abutted preceding logical in step C
The benchmark that is bonded of ccd image sensor crawl film knee-piece and bend glass is crossed, and keeps the two close in vacuum abutted equipment
It further include the process that high pressure de-bubble is carried out to it after fitting.
10. preparation method described according to claim 1~any one of 8, which is characterized in that the PET of the film described in step A
Base material thickness is 50 microns, and the OCA bondline thickness of the film is 25 microns.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610863923.9A CN107877943B (en) | 2016-09-29 | 2016-09-29 | A kind of preparation method of the bend glass containing ink logo |
| PCT/CN2016/102891 WO2018058718A1 (en) | 2016-09-29 | 2016-10-21 | Manufacturing method for ink pattern-containing curved glass |
| KR1020197011930A KR102221933B1 (en) | 2016-09-29 | 2016-10-21 | Manufacturing method of ink pattern-containing curved glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610863923.9A CN107877943B (en) | 2016-09-29 | 2016-09-29 | A kind of preparation method of the bend glass containing ink logo |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107877943A CN107877943A (en) | 2018-04-06 |
| CN107877943B true CN107877943B (en) | 2019-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610863923.9A Active CN107877943B (en) | 2016-09-29 | 2016-09-29 | A kind of preparation method of the bend glass containing ink logo |
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| Country | Link |
|---|---|
| KR (1) | KR102221933B1 (en) |
| CN (1) | CN107877943B (en) |
| WO (1) | WO2018058718A1 (en) |
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| KR102076025B1 (en) * | 2018-04-17 | 2020-02-11 | 코세스지티 주식회사 | 3d curved glass and production method thereof |
| TWI690740B (en) * | 2018-04-20 | 2020-04-11 | 正美企業股份有限公司 | Light guide element and manufacturing method thereof |
| CN109188859A (en) * | 2018-10-31 | 2019-01-11 | 信利光电股份有限公司 | A kind of manufacture craft of mask plate |
| CN109483859B (en) * | 2018-12-26 | 2021-06-04 | 业成科技（成都）有限公司 | Method for manufacturing hot forming male die |
| CN109650704A (en) * | 2019-03-01 | 2019-04-19 | 深圳盛为精工科技有限公司 | A kind of 3D hot bending right angle four sides contour glass and its production technology |
| CN110255870A (en) * | 2019-06-27 | 2019-09-20 | Oppo广东移动通信有限公司 | Hot bending equipment and hot bending forming method of shell |
| CN112571875A (en) * | 2020-12-14 | 2021-03-30 | 安徽省腾创节能科技有限公司 | Fireproof glass with high curvature and processing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10323234B4 (en) * | 2003-05-22 | 2008-10-30 | Webasto Ag | Method for producing a curved pane arrangement for a vehicle |
| US9156230B2 (en) * | 2010-01-12 | 2015-10-13 | Nippon Electric Glass Co., Ltd. | Glass film laminate without adhesive |
| US8561535B2 (en) * | 2010-02-27 | 2013-10-22 | Corning Incorporated | Method of screen printing on 3D glass articles |
| US20120090776A1 (en) * | 2010-10-14 | 2012-04-19 | Roger Wen-Yi Hsu | Method and apparatus for curved circularly polarized lens |
| JPWO2012147880A1 (en) * | 2011-04-28 | 2014-07-28 | テクノポリマー株式会社 | Decorative resin sheet |
| RU2014101485A (en) * | 2011-06-20 | 2015-07-27 | Асахи Гласс Компани, Лимитед | METHOD FOR PRODUCING MULTI-LAYERED GLASS AND MULTI-LAYERED GLASS |
| US8962084B2 (en) * | 2012-05-31 | 2015-02-24 | Corning Incorporated | Methods of applying a layer of material to a non-planar glass sheet |
| TWI520847B (en) * | 2012-11-29 | 2016-02-11 | 華碩電腦股份有限公司 | Method for manufacturing solid structure glass with adhesive film |
| KR102226231B1 (en) * | 2013-02-26 | 2021-03-11 | 코닝 인코포레이티드 | Methods of forming shape-retaining flexible glass-polymer laminates |
| CN103317933B (en) * | 2013-06-26 | 2015-10-28 | 浙江星星瑞金科技股份有限公司 | 3D display screen glass trailing |
| KR102145388B1 (en) * | 2013-07-09 | 2020-08-19 | 삼성디스플레이 주식회사 | Window for display device, display device comprising the same and manufacturing method thereof |
| KR102328915B1 (en) * | 2014-05-20 | 2021-11-19 | 엘지디스플레이 주식회사 | Display device and display and display manufacturing method |
| KR101643821B1 (en) * | 2014-10-31 | 2016-07-29 | 엘피티 주식회사 | Film attached to the device's curved glass |
| CN105128409B (en) * | 2015-07-22 | 2017-07-11 | 武汉华星光电技术有限公司 | A kind of joint tool and applying method of bend glass cover plate and flat-faced screen |
| CN105242430B (en) * | 2015-10-19 | 2018-11-23 | 武汉华星光电技术有限公司 | Curved surface is to the full laminating apparatus of plane and method |
-
2016
- 2016-09-29 CN CN201610863923.9A patent/CN107877943B/en active Active
- 2016-10-21 WO PCT/CN2016/102891 patent/WO2018058718A1/en active Application Filing
- 2016-10-21 KR KR1020197011930A patent/KR102221933B1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018058718A1 (en) | 2018-04-05 |
| KR102221933B1 (en) | 2021-03-02 |
| KR20190075073A (en) | 2019-06-28 |
| CN107877943A (en) | 2018-04-06 |
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