CN107382037A - Processing methods of the 3D without site glass-film - Google Patents
Processing methods of the 3D without site glass-film Download PDFInfo
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- CN107382037A CN107382037A CN201710697818.7A CN201710697818A CN107382037A CN 107382037 A CN107382037 A CN 107382037A CN 201710697818 A CN201710697818 A CN 201710697818A CN 107382037 A CN107382037 A CN 107382037A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/03—Re-forming glass sheets by bending by press-bending between shaping moulds
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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
-
- 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
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/02—Tempering or quenching glass products using liquid
- C03B27/03—Tempering or quenching glass products using liquid the liquid being a molten metal or a molten salt
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Surface Treatment Of Glass (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The present invention protects a kind of processing methods of the 3D without site glass-film, including S1, glass is cut out into general shape according to the size of 3D to be processed without site glass-film；S2, the glass plate for cutting material undercuted into due hole position on glass-film through Digit Control Machine Tool；S3, it will be coated on the glass-film of CNC well cuttings and clear off powder, driven vacuum cup that sheet glass is pressed on the machine of clearing off by the vavuum pump in the machine of clearing off and carry out clearing off operation；S4, the glass cleared off is placed sequentially in different cleaning agents and cleaned；S5, the glass after cleaning is placed on hot pressing in heat pressing and molding mold, the edge of glass is become a cambered curved surface；S6, hot-forming good glass is placed in high temeperature chemistry annealing furnace, utilizes 650 DEG C of temperature-sensitives processing；S7, the good glass of tempering inserted into AF workshops, coat a nanometer anti-fingerprint oil；S8, glass-film surface paste one layer of antiexplosion adhesive；S9, in glass film inner layer post double faced adhesive tape, finished product.
Description
Technical field
The present invention protects a kind of glass-film, particularly a kind of processing methods of the 3D without site glass-film, belongs to Cellphone Accessories
Technical field.
Background technology
With the continuous development of mobile phone industry, mobile phone applies more and more, requirement of the people to mobile phone in people live
Also more and more higher.It is in flat that traditional mobile phone display screen, which is all, and with the development of technology, occur curved surface at present
Screen, i.e., it is curved in the surrounding edge of display screen, the screen accounting of display screen on the one hand can be improved, on the other hand can also improve hand
The overall appearance looks elegant effect of machine, also makes mobile phone integrally seem more high-grade.It is former as curved surface smart mobile phone progresses into market
This planar protection film can not be effectively protected curved surface mobile phone screen.Moreover, traditional safeguard film for cellular phone is easy to fall off, one has been used
Easily obscured after the section time, scrape damage, be also required to certain technology when pad pasting, minute bubbles etc. will accidentally occur
Deng the safeguard film for cellular phone that a suitable curved surface screen mobile phone uses how being produced, into industry question of common concern.
The content of the invention
It is planar protection film for safeguard film for cellular phone of the prior art mentioned above, is not suitable for lacking for curved surface screen mobile phone
Point, the present invention provide a kind of processing methods of the new 3D without site glass-film, and it uses multi-step process to be processed into flat glass
Bend glass film, available for being attached on curved surface screen mobile phone.
The present invention solves the technical scheme that its technical problem uses：A kind of processing methods of 3D without site glass-film, should
Processing method comprises the steps：
S1, glass blank：Glass is cut out into general shape according to the size of 3D to be processed without site glass-film；
S2, glass CNC：The glass plate for cutting material is positioned on Digit Control Machine Tool, the cutting through the edge of a knife above Digit Control Machine Tool, undercuted
Due hole position on glass-film；
S3, glass clear off：Powder is cleared off by being coated on the glass-film of CNC well cuttings, the glass-film that clears off powder will be coated is put into and clear off
In machine, drive vacuum cup that sheet glass is pressed on the machine of clearing off by the vavuum pump in the machine of clearing off and carry out clearing off operation；
S4, glass cleaning：The glass cleared off is placed in rinse bath and clean repeatedly for 9 ~ 12 times, every time in rinse bath
2.5 ~ 3.5min is cleaned, rinse bath is built with the aqueous solution for being less than or equal to 10% cleaning agent containing concentration；
S5, glass are hot-forming：Glass after cleaning is placed in heat pressing and molding mold, 3D curved surface hot presses heating and
Under squeezing action, the edge of glass is set to become a cambered curved surface by smooth plane；
S6, glass tempering：Hot-forming good glass is placed in high temeperature chemistry annealing furnace, the temperature of high temeperature chemistry annealing furnace
For 390 DEG C ~ 410 DEG C, compressive stress layer is formed in glass surface, is internally formed tension layer；
S7, glass surface spray nanometer anti-fingerprint oil：The good glass of tempering is inserted into AF workshops, coats a nanometer anti-fingerprint oil；
S8, glass-film patch antiexplosion adhesive：After nanometer anti-fingerprint oil is sprayed, one layer of antiexplosion adhesive is pasted on glass-film surface；
S9, glass patch double faced adhesive tape：Post double faced adhesive tape in glass film inner layer, finished product.
The present invention solves the technical scheme that its technical problem uses and further comprised：
Cutter rotating velocity is that 10000-12000 turns/min during blank in described step S1, every time by severing of glass, by multiple
Linear reciprocating motion, by justifying glass-cutting into glass-film.
When being cleared off in described step S3, use and clear off the clear water solution of powder to glass-film containing percentage by weight for 3% ~ 7%
Carry out immersion 2.5 ~ 3.5 minutes, taking-up glass-film, which is put into the machine of clearing off, to carry out clearing off operation, clears off the operating time as 5 ~ 7 minutes.
Being toasted to glass-film after the completion of being cleaned in described step S4, baking temperature is 90 ~ 110 DEG C, during baking
Between be 2.5 ~ 3.5min.
The hot pressing die used in described step S5 include upper die plate, cope plate, upper mould insert, lower mold backing plate, under
Template and lower mould insert, upper mould insert are arranged in cope plate, and cope plate and upper mould insert are arranged on below upper die plate, lower mould
Insert is arranged in lower template, and lower mould insert and lower template are arranged on above lower mold backing plate, is raised up and is provided with above lower template
Positive stop lug boss, corresponding position is provided with the stopper slot to cave inward on cope plate, on the inside of the connecting portion of positive stop lug boss and lower template
Provided with the first arc side, stopper slot upper edge is provided with the second arc side close to inner side one side, the first arc while with being correspondingly arranged during the second arc,
The arch section of glass-film side is carried out hot-forming, spacing groove depth is less than the height of positive stop lug boss, spacing groove depth with
Difference between the height of positive stop lug boss is the thickness of glass-film, and more than one gas port, air guide are offered in lower mould insert
Hole is the through hole above and below lower mould insert, and gas port is listed in lower mould insert in three rows five and is distributed in matrix form provided with.
Hot press is heated into temperature during hot pressing in described S5 to adjust between 450 DEG C to 550 DEG C, waits hot press temperature liter
When height arrives design temperature, glass-film is placed in the die cavity of lower mould, the heat time is set as between 2.5s to 3.5s, now warp
Circle is heated, and glass-film plastifies under the high temperature conditions, has plasticity, after heating under the control of hot press, at once
By under upper molding, pressing time is about 4s to 5.5s, and now glass-film is molded between upper die and lower die.
Glass is placed in the preheating furnace in annealing furnace in described step S6, preheating furnace temperature be heated to 340 DEG C ~
380 DEG C or so, by preheating glass 50 ~ 70 minutes, glass is moved in annealing furnace, inserts chemical material industry KNO3 fused solution
In, the temperature of annealing furnace is heated 3.5 ~ 4.5 hours at 390 DEG C ~ 410 DEG C or so in annealing furnace, then the good glass of tempering is moved
To preheating furnace, slow natural heat dissipation is carried out to normal temperature, the radiating time is 1 ~ 1.5 hour.
Glass-film is toasted after nanometer anti-fingerprint oil has been sprayed in described step S7, placed glass-film during baking
In an oven, the baking temperature in baking box is set in 150 DEG C~180 DEG C, and baking time is 2.5 ~ 3.5min.
In described step S7, fitting rupture pressure disc is carried out using fitting mould, and fitting mould includes die main body and fitting
Press rods, die main body are provided with the imitation-shaped groove to be matched with glass-film shape, more than one absorption are offered in imitation-shaped groove
Hole, adsorption space is offered in die main body, each adsorption hole is connected with adsorption space respectively, and die main body side offers
Vacuum hole, vacuum hole are connected with adsorption space, and laminate pressure bar is arranged on above imitation-shaped groove.
Back shroud is fixedly mounted on below described die main body, post-planking cover is on adsorption space, back shroud and mould
Sealing ring is provided between tool main body.
The beneficial effects of the invention are as follows：It is ripe in bar in the forming technique and processing technology of mobile phone planar protection film
Under part, curved surface smart mobile phone protection device is mainly used in without site glass protection film using 3D produced by the invention, and it is this
New 3D operates in terms of pad pasting obvious simply too much without site glass protection film, and it is lower to be only aligned with screen patch,
Compactness is fine, will not produce bubble.Diaphragm produced by the invention its toughness after tempering is handled is full, can be well
Avoid mobile phone screen from being damaged after being hit, and light transmittance is higher, definition more preferably, the also property of oil-stain-preventing and chip resistant in addition
Can, become the first choice of safeguard film for cellular phone.Rupture pressure disc produced by the invention solves conventional planar guarantor without printing net-point
Cuticula needs printing net-point to make production procedure and production technology easier in problem." rainbow be present in conventional planar diaphragm
Line " phenomenon, rainbow line cause screen unsightly, and influence the eyesight of people, can also influence light transmittance and visual effect, and originally
Invent production 3D without site glass protection film fitting when there is no rainbow line effect, can preferably protect mobile phone screen with
And eyes are in eyesight.Conventional planar diaphragm is because material and production technology cause Mobile phone touch control effect undesirable, and this hair
The 3D of open-birth production is more outstanding than common site without site Mobile phone touch control effect.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Brief description of the drawings
Fig. 1 is diaphragm decomposing state structural representation of the present invention.
Fig. 2 is the hot pressing die decomposing state structural representation that the present invention uses.
Fig. 3 is another visual angle decomposing state structural representation of hot pressing die that the present invention uses.
Fig. 4 is the hot pressing die side profile structural representation that the present invention uses.
Fig. 5 is Fig. 4 A partial enlargement structural representations.
Fig. 6 is the hot pressing die front cross-sectional structural representation that the present invention uses.
Fig. 7 is the hot pressing die decomposing state cross-sectional view that the present invention uses.
Fig. 8 is the fitting mould dimensional structure diagram that the present invention uses.
Fig. 9 is another view stereo structural representation of fitting mould that the present invention uses.
Figure 10 is the fitting mould decomposing state structural representation that the present invention uses.
In figure, 1- upper die plates, 2- cope plates, the upper mould inserts of 3-, 4- lower mold backing plates, 5- lower templates, mould insert under 6-, 7-
Glass-film, 8- stopper slots, 9- positive stop lug boss, recess is installed on 10-, convex position is installed on 11-, recess is installed under 12-, pacified under 13-
Fill convex position, 14- gas ports, the first arcs of 15- side, the second arcs of 16- side, the fit clearances of 17- first, the fit clearances of 18- second, 19-
Chamfering, 20- demouldings hole, 21- glass plates, 22- nanometers anti-fingerprint oil, 23- rupture pressure discs, 24- diaphragms, 25- double faced adhesive tapes, 26- moulds
Have main body, 27- imitation-shaped grooves, 28- adsorption holes, 29- vacuum holes, 30- laminate pressure bars, 31- back shrouds, 32- sealing rings.
Embodiment
The present embodiment is the preferred embodiment for the present invention, and other all its principle and basic structure are identical or near with the present embodiment
As, within the scope of the present invention.
The present invention is predominantly a kind of to be applied to processing methods of the 3D of curved surface smart mobile phone without site glass protection film, and it is led
Comprise the steps：
S1, glass blank：By justifying glass according to the size of 3D to be processed without site glass-film（In the present embodiment, 3D is without net
The size of point glass-film is the size after the expansion of curved surface diaphragm）Cut out general shape, in the present embodiment, use glass to supply
The glass plate for the justifying that the area for the 1m*1m that business provides is 1 square metre is answered, during blank, the glass plate of justifying is placed on blank
In the plane of machine, under the linear reciprocating motion of stock-cutter cutting edge, glass is cut into general shapes of the 3D without site glass-film, this
In embodiment, stock-cutter using the production of Shanghai Yin Rui precision optical machineries Co., Ltd, adopt by the stock-cutter of model 07063, cutting knife
With the model AD30005080 of the just prosperous glass cutter tool Co., Ltd import in Shenzhen Japanese hard alloy cutter, cutting knife uses
High speed circumgyration incision form, cutter rotating velocity is that 10000-12000 turns/min, every time by severing of glass, by repeatedly reciprocal straight
Line moves, and it is in multiple glass-films that justifying glass plate, which is cut, and in the present embodiment, glass plate raw material are using Japanese Asahi Glass glass
Glass limited company（Japanese：Asahi Glass Co., Ltd）The model 0.2mm of production glass-film.
S2, glass CNC（CNC full name are Computer Numberical Control）：The glass plate for cutting material is placed
In on Digit Control Machine Tool, the cutting through the edge of a knife above Digit Control Machine Tool, due hole position on glass-film is undercuted.In the present embodiment, numerical control
Lathe controls through pre-set computer program, and the bottom plate of Digit Control Machine Tool drives sheet motion along X-Y-Z three-axis movings,
Cutting processing is carried out to due hole position on glass-film, should be gone out spray coolant to the edge of a knife when cutting（Or cooling water）, because
Substantial amounts of heat is produced under conditions of high speed rotates for the edge of a knife, easily raises edge of a knife temperature, in the present embodiment, Digit Control Machine Tool
Using the model DK-300 of Shenzhen Yuanyang Xiangrui Machinery Co., Ltd.'s production Digit Control Machine Tool, cutting knife is lived using Taiwan
The electroplated diamond optical glass modeling machine CNC glass cutters of friendly superhard cutter Co., Ltd production, specifications parameter T：3.0
H：0.65, Angle：0.8, numbering：110, in the present embodiment, during glass CNC, hole position is carried out by the way of once cutting off
Engraving, depth of cut 0.2mm（Thickness of glass is 0.2mm）, after the completion of hole position is carved, hole position edge is entered using same cutting knife
Edging operation of row, in the present embodiment, CNC carving machines（That is Digit Control Machine Tool）The rotating speed 30000-50000 that operates turns/min, operator
The feed speed 550-1500mm/min of punching, the feed speed 250-2000mm/min for edging of operating, when feed speed is too fast
Glass-film may then be crushed, feed speed is excessively slow to influence whole process velocity, parameter of the lathe in machining again
There are the parameters such as the rotating speed, feed, the amount of feeding of machine tool chief axis, feed is that main shaft every revolution cutter prolongs guide rail direction movement
Distance（That is the product of rotating speed and diameter）, the amount of feeding refer to cutter vertical major direction go around cutter movement distance, also
It is that the depth of feed is referred to as the amount of feeding（Feed speed and the product of time）.
S3, glass clear off：The glass-film of CNC well cuttings is inserted and clears off powder containing weight percent concentration for 3% ~ 7%（This reality
Apply the powder that clears off used in example and clear off powder for conventional glass-film）Clear water solution in soak, in the present embodiment, now by glass-film
It is placed on glass frame, the glass-film of whole frame is being put into containing being soaked 2.5 ~ 3.5 minutes in the clear water for clearing off powder, then taken out
Glass-film is put into the machine of clearing off, and is driven vacuum cup that sheet glass is pressed on the machine of clearing off by the vavuum pump in the machine of clearing off and is swept
Light operates, the high speed rotary motion through the machine of clearing off, and removes the spot on glass-film surface, makes its surface more beautiful, this implementation
In example, the rotating speed for clearing off machine is 1500 turns/min, is rotated clockwise when clearing off 3 minutes, rotates counterclockwise 3 minutes, clear off use
Hairbrush diameter 400mm, whole hairbrush is rounded, and bristle uses bristles material, will not both damage glass-film surface, can have again
Effect removes the spot of glass surface, clears off the operating time as 5 ~ 7 minutes.Glass surface after clearing off can still remain to be coated originally
Powder is cleared off, it is harmful to clear off powder, should be with appliances for labor protection such as good mouth masks, to the protection to human body during operation.
S4, glass cleaning：The glass cleared off is placed in rinse bath and cleaned, clear water includes cleaning agent（Concentration does not surpass
Cross 10%）, in the present embodiment, cleaning agent using the model TF-303 of Tongfang Science and Technology Co., Ltd. of Shenzhen production glass
Glass cleaning agent, contain antistatic composition in cleaning agent, can remove that clearing off on glass-film surface leave clears off other dirts such as powder
Stain.Through in rinse bath clean repeatedly for 9 ~ 12 times, 2.5 ~ 3.5min is cleaned in rinse bath every time, in vibrations ultrasonic wave
Cleaned glass under effect, it is once purged to make that glass is more sparkling and crystal-clear, and light transmission is more outstanding.Glass after cleaning is toasted
（Baking temperature is 90 ~ 110 DEG C, and baking time is 2.5 ~ 3.5min）, dry the liquid remained after glass cleaning.
S5, glass are hot-forming：Glass after cleaning is placed on heat pressing and molding mold（Material is graphite）It is interior, it is bent in 3D
Under the heating and squeezing action of face hot press, glass becomes with plasticity at high temperature, makes the edge of glass by smooth
Plane become a cambered curved surface, in the present embodiment, 3D curved surfaces hot press engraves general automation equipment using Dongguan City to be had
The model MP-017 of limit company production 3D curved surface hot presses.Accompanying drawing 2 be refer to accompanying drawing 7, the hot-die in the present embodiment
Tool mainly includes upper die plate 1, cope plate 2, upper mould insert 3, lower mold backing plate 4, lower template 5 and lower mould insert 6, upper mould insert 3
In cope plate 2, cope plate 2 and upper mould insert 3 are arranged on the lower section of upper die plate 1, and lower mould insert 6 is arranged on lower template 5
Interior, lower mould insert 6 and lower template 5 are arranged on the top of lower mold backing plate 4, and the top of lower template 5 raises up provided with positive stop lug boss 9, on
Corresponding position is provided with the stopper slot 8 to cave inward in template 2, and positive stop lug boss 9 on the inside of the connecting portion of lower template 5 with being provided with first
Arc side 15, the upper edge of stopper slot 8 are provided with the second arc side 16 close to inner side one side, the first arc while 15 with the second arc while 16 corresponding set
Put, the arch section progress to glass-film side is hot-forming.In the present embodiment, the depth of stopper slot 8 is less than the height of positive stop lug boss 9
Degree, the difference between the depth of stopper slot 8 and the height of positive stop lug boss 9 are the thickness of glass-film.In the present embodiment, lower mould insert 6
On offer more than one gas port 14, gas port 14 is the through hole through lower mould insert about 6, in the present embodiment, air guide
Hole 14 is provided with 15, is listed in lower mould insert 6 in three rows five and is distributed in matrix form.In the present embodiment, the top of cope plate 2 is provided with upper
Recess 10 is installed, the upper top of mould insert 3 is provided with the upper convex position 11 of installation, and the upper convex position 11 of installation is connected in installation recess 10, when
When upper die plate 1 pulls up cope plate 2, cope plate 2 can drive mould insert 3 to move upwardly together, and realize the demoulding.This implementation
In example, the lower section of lower template 5 is provided with lower installation recess 12, and the lower lower section of mould insert 6 is provided with the lower convex position 13 of installation, and the lower convex position 13 of installation is blocked
It is connected in lower installation recess 12.In the present embodiment, between upper mould insert 3 and cope plate 2 using gap coordinate, upper mould insert 3 with
It is the first fit clearance 17 between cope plate 2, is coordinated between lower mould insert 6 and lower template 5 using gap, lower mould insert 6 is with
It is the second fit clearance 18 between template 5, the first fit clearance 17 and the second fit clearance 18 are staggered, i.e., between first coordinates
Stagger certain distance between the fit clearance 18 of gap 17 and second, does not face.Between upper mould insert 3 and cope plate 2 and under
Gap cooperation is respectively adopted between mould insert 6 and lower template 5, it is more conveniently stripped.In the present embodiment, the depth of lower installation recess 12
Degree is higher than the height of the lower convex position 13 of installation, the lower convex position 13 of installation can be made to be moved up and down in lower installation recess 12, the present embodiment
In, two demoulding holes 20 are offered in lower mold backing plate 4, thimble can be stretched at demoulding hole 20, push up mould insert 3, it is real
Now it is stripped.In the present embodiment, the upper edge both sides of positive stop lug boss 9 are respectively equipped with chamfering 19, and chamfering 19 is flat chamfering, stopper slot 8 one
Side is the second arc side 16, and the opposite side of stopper slot 8 is provided with chamfering 19, and chamfering 19 herein is also flat chamfering, facilitates upper and lower mould matched moulds
When align.
Hot pressing die is assembled on hot press, lower mould is fixed in the fixed plate of hot press, lower mold backing plate 4 and upper die-cushion
Plate 1 is provided with screw hole, is fixed respectively by screw and hot press, and glass-film 7 is prevented in lower template 5 and lower mould insert 6
Side, hot press is heated into temperature and adjusted between 450 DEG C to 550 DEG C, when wait hot press temperature is increased to design temperature, by glass
Film is placed in the die cavity of lower mould, and the heat time is set as between 2.5s to 3.5s, is now heated through coil, and glass-film 7 exists
Plastified under hot conditions, there is plasticity, after heating under the control of hot press, at once by upper mould（Including upper die plate
1st, cope plate 2 and upper mould insert 3）Pressure, pressing time is about 4s to 5.5s, and now glass-film 7 is between upper die and lower die
Shaping, within the time of shaping, under the thermolysis by gas port 14, the temperature between glass-film 7 and mould can obtain
Timely remove, after shaping, upper mould rises through hot press, glass-film 7 is taken out, due between lower template 5 and lower mould insert 6
Gap be present（Gap coordinates）, product is very easy to take out, is not bound in mould, causes the difficulty of the demoulding, in the present embodiment,
After heating, in shaping, temperature has been cooled down by gas port 14 and finished, and is exactly that thermal conductivity is outstanding the characteristics of graphite jig,
The fast radiating of heating is also fast.
S6, glass tempering：Hot-forming good glass is placed on and given birth to by Shenzhen along Jie Wei glass machineries Co., Ltd
In the full-automatic annealing furnace of production, first glass is placed in the preheating furnace in annealing furnace, preheating furnace temperature is heated to 340 DEG C ~ 380
DEG C or so, preheating glass 50 ~ 70 minutes is now moved to glass in annealing furnace by the suspension hook above annealing furnace, inserting
Learn material industry KNO3Fused solution in（KNO3It is in molten condition in annealing furnace）, the temperature of annealing furnace is on 390 DEG C ~ 410 DEG C left sides
The right side, heated 3.5 ~ 4.5 hours in annealing furnace, then the good glass of tempering is moved in preheating furnace, carry out slow natural heat dissipation extremely
Normal temperature, in the present embodiment, radiate about 1 ~ 1.5 hour time.
S7, glass surface spray nanometer anti-fingerprint oil：Nanometer anti-fingerprint oil, which has, reduces fingerprint and the attachment of various spots, improves
The ability of wiped clean, it has outstanding soil resistance, water and oil repellant, durability（Durability times are up to more than 8000 times）, receive
Rice anti-fingerprint oil can form transparent soil resistance epithelium, have the outward appearance for not influenceing product, and chemical adsorptivity is good, permanent moistening
Type（Backflow is not produced）Advantage be because anti-fingerprint oil be acrylic resin modified coating, anti-fingerprint oil is except superior film
Outside performance, and the processing procedure of environmental protection is taken into account, control can be adjusted according to product performance demand in appearance tactile impression and gloss.This
In embodiment, the good glass of tempering is inserted into AF workshops（In the present embodiment, using ten thousand grades of dust-free workshops）, the table on the outside of glass-film
Face coats a nanometer anti-fingerprint oil, and in the present embodiment, spraying nanometer anti-fingerprint oil is given birth to using Chuan Lianwei Science and Technology Ltd.s of Shenzhen
The fingerprint oil flush coater of production carries out spraying operation, is moved back and forth in the present embodiment, during spraying using the shower nozzle of flush coater, to glass
Film surface carries out even application, and the nanometer anti-fingerprint oil quantity for spray of each sheet glass film is 8g~10g, and it is carried out after having sprayed
Baking, glass-film is placed in an oven during baking, the baking temperature in baking box is set in 150 DEG C~180 DEG C, and baking time is
2.5~3.5min。
S8, glass-film patch antiexplosion adhesive：Because glass is easily broken into pieces, after nanometer anti-fingerprint oil is sprayed, on the inside of glass-film
One layer of antiexplosion adhesive is pasted on surface, can effective buffering collision of closed, prevent screen from bursting, prevent mobile phone hits accidentally from causing the broken of glass panel
It is broken to disperse, reduce the covert harm of glass panel, ensure user security, can also maintain the distinctive gloss of strengthened glass, texture and
Improve case hardness, in the present embodiment, antiexplosion adhesive using Dongguan City it is solid it is glorious learn Materials Co., Ltd's production 0.075mm it is explosion-proof
Glue.In the present embodiment, it is bonded when being bonded antiexplosion adhesive using fitting mould, refer to accompanying drawing 8, accompanying drawing 9 and accompanying drawing 10, be bonded
Mould mainly includes die main body 26 and laminate pressure bar 30, and die main body 26 is provided with the profiling to be matched with glass-film shape
Groove 27, more than one adsorption hole 28 is offered in imitation-shaped groove 27, adsorption space, each adsorption hole are offered in die main body 26
28 are connected with adsorption space respectively, and the side of die main body 26 offers vacuum hole 29, and vacuum hole 29 is connected with adsorption space,
It being connected by vacuum hole 29 with vavuum pump, vacuumized by vavuum pump, laminate pressure bar 30 is arranged on the top of imitation-shaped groove 27,
Pressing pad pasting is carried out to the glass-film in imitation-shaped groove 27.In the present embodiment, the lower section of die main body 26 is fixedly mounted on back shroud 31,
The lid of back shroud 31 is provided with sealing ring 32 on adsorption space between back shroud 31 and die main body 26.
During fitting, glass-film is placed on die main body 26, held glass-film by adsorption hole 28, on glass-film
Stick antiexplosion adhesive, by laminate pressure bar 30 in the past after it is pressed, glass protection film and explosion-proof can be fully ensured that
Glue is fully bonded and does not have bubble.
S9, glass patch double faced adhesive tape：Product produced by the invention is generally used for the protection of mobile phone screen, its internal layer is posted double
Face glue, make user more convenient to use.In the present embodiment, double faced adhesive tape is using the solid glorious Materials Co., Ltd production of Dongguan City
Model 0.18mm double faced adhesive tape, also it is bonded during attaching, is bonded using the fitting mould described in step S8 during double faced adhesive tape
When, glass-film is placed on die main body 26, glass-film is held by adsorption hole 28, double faced adhesive tape is sticked on glass-film,
It is pressed afterwards in the past by laminate pressure bar 30, can fully ensure that glass protection film and double faced adhesive tape are fully bonded simultaneously
And there is no bubble.
It is ripe under conditions in the forming technique and processing technology of mobile phone planar protection film, produced using the present invention
3D be mainly used in curved surface smart mobile phone protection device without site glass protection film, and this new 3D protects without site glass
Cuticula operates obvious simply too much in terms of pad pasting, need to only be aligned with that screen patch is lower, and compactness is fine, will not produce gas
Bubble.Diaphragm produced by the invention its toughness after tempering is handled is full, well mobile phone screen can be avoided to be hit
After damage, and light transmittance is higher, and more preferably, the also performance of oil-stain-preventing and chip resistant, has become mobile phone guarantor to definition in addition
The first choice of cuticula.For rupture pressure disc produced by the invention without printing net-point, solving conventional planar diaphragm needs printing net-point to exist
Problem, make production procedure and production technology easier.There is " rainbow line " phenomenon in conventional planar diaphragm, rainbow line causes to shield
Curtain unsightly, and influences the eyesight of people, can also influence light transmittance and visual effect, and 3D produced by the invention is without site glass
Glass diaphragm does not have rainbow line effect when fitting, can preferably protect mobile phone screen and eyes in eyesight.Tradition is flat
Surface protective film is because material and production technology cause Mobile phone touch control effect undesirable, and 3D produced by the invention is without site mobile phone
Touch-control effect is more outstanding than common site.
Claims (10)
1. a kind of processing methods of 3D without site glass-film, it is characterized in that：Described processing method comprises the steps：
S1, glass blank：Glass is cut out into general shape according to the size of 3D to be processed without site glass-film；
S2, glass CNC：The glass plate for cutting material is positioned on Digit Control Machine Tool, the cutting through the edge of a knife above Digit Control Machine Tool, undercuted
Due hole position on glass-film；
S3, glass clear off：Powder is cleared off by being coated on the glass-film of CNC well cuttings, the glass-film that clears off powder will be coated is put into and clear off
In machine, drive vacuum cup that sheet glass is pressed on the machine of clearing off by the vavuum pump in the machine of clearing off and carry out clearing off operation；
S4, glass cleaning：The glass cleared off is placed in rinse bath and clean repeatedly for 9 ~ 12 times, every time in rinse bath
2.5 ~ 3.5min is cleaned, rinse bath is built with the aqueous solution for being less than or equal to 10% cleaning agent containing concentration；
S5, glass are hot-forming：Glass after cleaning is placed in heat pressing and molding mold, 3D curved surface hot presses heating and
Under squeezing action, the edge of glass is set to become a cambered curved surface by smooth plane；
S6, glass tempering：Hot-forming good glass is placed in high temeperature chemistry annealing furnace, the temperature of high temeperature chemistry annealing furnace
For 390 DEG C ~ 410 DEG C, compressive stress layer is formed in glass surface, is internally formed tension layer；
S7, glass surface spray nanometer anti-fingerprint oil：The good glass of tempering is inserted into AF workshops, coats a nanometer anti-fingerprint oil；
S8, glass-film patch antiexplosion adhesive：After nanometer anti-fingerprint oil is sprayed, one layer of antiexplosion adhesive is pasted on glass-film surface；
S9, glass patch double faced adhesive tape：Post double faced adhesive tape in glass film inner layer, finished product.
2. processing methods of the 3D according to claim 1 without site glass-film, it is characterized in that：Blank in described step S1
When cutter rotating velocity be that 10000-12000 turns/min, every time by severing of glass, by multiple linear reciprocating motion, by justifying glass
Glass cuts into glass-film.
3. processing methods of the 3D according to claim 1 without site glass-film, it is characterized in that：Cleared off in described step S3
When, use the clear water solution for clearing off powder for 3% ~ 7% containing percentage by weight to carry out immersion 2.5 ~ 3.5 minutes to glass-film, take out glass
Glass film, which is put into the machine of clearing off, to carry out clearing off operation, clears off the operating time as 5 ~ 7 minutes.
4. processing methods of the 3D according to claim 1 without site glass-film, it is characterized in that：Cleaned in described step S4
After the completion of glass-film is toasted, baking temperature be 90 ~ 110 DEG C, baking time is 2.5 ~ 3.5min.
5. processing methods of the 3D according to claim 1 without site glass-film, it is characterized in that：Used in described step S5
Hot pressing die include upper die plate, cope plate, upper mould insert, lower mold backing plate, lower template and lower mould insert, upper mould insert installation
In cope plate, cope plate and upper mould insert are arranged on below upper die plate, and lower mould insert is arranged in lower template, lower mould insert
It is arranged on above lower mold backing plate, is raised up above lower template provided with positive stop lug boss with lower template, corresponding position on cope plate
Provided with the stopper slot to cave inward, the first arc side is provided with the inside of the connecting portion of positive stop lug boss and lower template, stopper slot upper edge is leaned on
Nearly inner side one side is provided with the second arc side, and the first arc is carried out while with being correspondingly arranged during the second arc to the arch section of glass-film side
Hot-forming, spacing groove depth is less than the height of positive stop lug boss, and the difference between spacing groove depth and the height of positive stop lug boss is
The thickness of glass-film, more than one gas port being offered in lower mould insert, gas port is the through hole above and below lower mould insert,
Gas port is listed in lower mould insert in three rows five and is distributed in matrix form provided with.
6. processing methods of the 3D according to claim 5 without site glass-film, it is characterized in that：Will during hot pressing in described S5
Hot press heating temperature is adjusted between 450 DEG C to 550 DEG C, and when wait hot press temperature is increased to design temperature, glass-film is put
In in the die cavity of lower mould, the heat time is set as between 2.5s to 3.5s, is now heated through coil, and glass-film is in high temperature bar
Plastified under part, there is plasticity, after heating under the control of hot press, at once by under upper molding, pressing time is about
4s to 5.5s, now glass-film be molded between upper die and lower die.
7. processing methods of the 3D according to claim 1 without site glass-film, it is characterized in that：By glass in described step S6
Glass is placed in the preheating furnace in annealing furnace, and preheating furnace temperature is heated to 340 DEG C ~ 380 DEG C or so, by 50 ~ 70 points of preheating glass
Clock, glass is moved in annealing furnace, inserted in chemical material industry KNO3 fused solution, the temperature of annealing furnace is 390 DEG C ~ 410
DEG C or so, heated 3.5 ~ 4.5 hours in annealing furnace, then the good glass of tempering is moved in preheating furnace, slowly dissipate naturally
For heat to normal temperature, the radiating time is 1 ~ 1.5 hour.
8. processing methods of the 3D according to claim 1 without site glass-film, it is characterized in that：Sprayed in described step S7
Glass-film is toasted after complete nanometer anti-fingerprint oil, placed glass-film in an oven during baking, the baking temperature in baking box
150 DEG C~180 DEG C are set in, baking time is 2.5 ~ 3.5min.
9. processing methods of the 3D according to claim 1 without site glass-film, it is characterized in that：In described step S7, patch
Close rupture pressure disc to carry out using fitting mould, fitting mould includes die main body and laminate pressure bar, and die main body is provided with and glass
The imitation-shaped groove that glass film shape matches, more than one adsorption hole is offered in imitation-shaped groove, it is empty that absorption is offered in die main body
Between, each adsorption hole is connected with adsorption space respectively, and die main body side offers vacuum hole, vacuum hole and adsorption space phase
Connection, laminate pressure bar are arranged on above imitation-shaped groove.
10. processing methods of the 3D according to claim 9 without site glass-film, it is characterized in that：Under described die main body
Side is fixedly mounted on back shroud, and post-planking cover is provided with sealing ring on adsorption space between back shroud and die main body.
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| CN108010447A (en) * | 2017-12-01 | 2018-05-08 | 珠海市魅族科技有限公司 | Curved surface cover board and preparation method thereof, terminal device |
| CN108793708A (en) * | 2018-08-06 | 2018-11-13 | 深圳市元虹光电科技有限公司 | A kind of processing method of curved surface mobile phone glass back shroud |
| CN108892368A (en) * | 2018-08-17 | 2018-11-27 | 安徽胜利精密制造科技有限公司 | A kind of mobile phone not uniform thickness glass cover-plate moulding process |
| CN110963682A (en) * | 2018-09-30 | 2020-04-07 | 深圳市赢合技术有限公司 | Production mold and forming process of curved glass |
| CN111605044A (en) * | 2020-05-19 | 2020-09-01 | 万津实业(赤壁)有限公司 | Preparation method of 3D cover plate |
| CN113548793A (en) * | 2021-08-13 | 2021-10-26 | 上海光和光学制造大丰有限公司 | Manufacturing method of vehicle-mounted glass |
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