CN110202966A - Antiexplosion telephone glass back-cover production method and glass back-cover - Google Patents
Antiexplosion telephone glass back-cover production method and glass back-cover Download PDFInfo
- Publication number
- CN110202966A CN110202966A CN201910457952.9A CN201910457952A CN110202966A CN 110202966 A CN110202966 A CN 110202966A CN 201910457952 A CN201910457952 A CN 201910457952A CN 110202966 A CN110202966 A CN 110202966A
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- China
- Prior art keywords
- cover
- ink
- glass back
- pattern
- explosion
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/10—Intaglio printing ; Gravure printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/34—Printing on other surfaces than ordinary paper on glass or ceramic surfaces
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Ceramic Engineering (AREA)
- Printing Methods (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a kind of antiexplosion telephone glass back-cover production methods, include the following steps, 1) printing pattern layer: being printed the pattern ink for needing printed patterns to the medial surface of glass back-cover by intaglio plate printer device, by pattern ink solidification, forms pattern layer；2) it prints explosion-proof layer: being printed explosion-proof ink to pattern layer by intaglio plate printer device, by explosion-proof ink solidification, pattern ink printing precision of the present invention is high, thickness is smaller, process flow simplifies, production is more efficient, and explosion-proof layer is directly printed by ink, keeps entire back-cover more frivolous.
Description
Technical field
The invention belongs to mobile phone glass back-cover field, more specifically to a kind of antiexplosion telephone glass back-cover production method
And glass back-cover.
Background technique
GDF (GlassDecoFilm) is to print to texture or pattern on glass rupture pressure disc (generally in such a way that UV is transferred
For PET material), then be bonded with glass back-cover.
GDF technique belongs to decoration membrane process, extensive in cell phone back cover industrial application at present, Huawei, oppo, vivo, millet
The type of equal publications mostly uses greatly this film coating process.If advantage is to produce defective products, film can be torn and return factory again
Processing.Simultaneously as being the processing decoration on diaphragm, then it is bonded, therefore 3D curved design freedom degree can be higher, it is relatively convenient.
But pad pasting is but also the light transmittance and thickness of shell receive certain influence, and entire process flow is complicated, increases and adds
Work process and cost.
GDM (Glass Direct UV Molding) technique is that the dress such as texture and color is carried out directly in glass back-cover
Technique processing is adornd, to achieve the effect that glare, the processes such as UV Film (OCA) and fitting are simplified, in same technical maturity
On the basis of, it theoretically can be described as a kind of coming of new technology that can reduce cost.
This technique early stage is used in mobile phone camera lens protection on piece, be it is double take the photograph, the preferred surface of more photography/videography heads dress
Decorations technique.Huawei Mate9Pro cam lens screening glass once is exactly to use GDM technique to reach glare effect.Technique stream
Journey is comparatively simple, specifically include that glass back-cover feeding → UV glue coating → UV solidifies → clean mold and product surface →
IR solidification etc., compared to GDF technique, GDM is significant in all many-sided advantages, for example 1. can allow mobile phone to become thinner；2. light transmission
Property is more preferably；3. the exquisiter beauty of pattern after texture transfer；4. the increasingly complex precision of pattern of production；5. technique is reduced, work
Sequence process simplification.
Still there is more problem using GDM technique at present, such as rear cover glass Explosion-Proof, 3D glass knee is not easy to do UV
Embossing, yield low amounts production difficulty is big, and process flow is cumbersome, if wanting generally put using GDM glass back-cover at present in mobile phone industry
It abandons UV and is embossed processing procedure, do not do texture, direct plated film.
And in the processing procedure of GDM technique, UV layers of effect is to make texture, and then plating or upper color, ultimately form texture,
As shown in Figure 1, it successively has anti-fingerprint film layer 1, glass back-cover 2, UV layer 3, electroplated layer 4 and printing layer 5 from top to bottom.
Furthermore GDM does not have explosion-proof effect, such as sticks rupture pressure disc again, and the thickness of cell phone rear cover will be very big, be unfavorable for ultra-thin
The production of mobile phone.
Summary of the invention
In view of the deficiencies of the prior art, it is high that the present invention provides a kind of pattern ink printing precisions, and thickness is smaller, technique stream
Journey simplifies, and production is more efficient, and explosion-proof layer is directly printed by ink, keeps entire back-cover more frivolous.
To achieve the above object, the present invention provides the following technical scheme that a kind of antiexplosion telephone glass back-cover production method,
It is characterized by comprising following steps,
1) printing pattern layer: the pattern ink for needing printed patterns is printed to glass back-cover by intaglio plate printer device
On medial surface, by pattern ink solidification, pattern layer is formed；
2) it prints explosion-proof layer: explosion-proof ink being printed to pattern layer by intaglio plate printer device, explosion-proof ink is consolidated
Change.
The further step 1) is repeated as many times.
Further before step 1), metal layer is plated on the medial surface of glass back-cover by PVD.
Pattern ink in the further step 1) is polychrome mixed ink.
The further step 2) repeats 3-5 times, prints the thickness of explosion-proof ink every time in 9-11um.
The curing mode of the further pattern ink and the explosion-proof ink is heat cure.
Further before step 1), the shade of printed patterns as needed makes corresponding on gravure cylinder
Pattern template.
A kind of glass back-cover, glass back-cover are made of above-mentioned production method.
Compared with prior art, the beneficial effects of the present invention are:
1, mobile phone can be allowed to become thinner；
2, technique is reduced, and process flow simplifies, and there are many whole production cost decline；
3, using intaglio plate pad printing machine, solve the problems, such as that 3D back-cover knee is not easy to be processed, yields is high；
4, print explosion-proof layer (30-50um), when preventing glass from rupturing fragment splash, promoted glass back-cover using safe
Property；
5, explosion-proof layer can use various colors ink as background color, can also cover and be printed as colour；
6, AF and PVD processing procedure is first done, then does printing process, the production process of volume production can be simplified；
7, intaglio plate bat printing can print various patterns, and pattern thickness can be realized each by the pattern template made on gravure cylinder
Kind of variation, and can chromatography various colors, or even true color；
8, the gradually layer color changeable effect between various colors can be done using polychrome mixed ink.
Detailed description of the invention
Fig. 1 is in the prior art using the glass back-cover structural schematic diagram of GDM technique production；
Fig. 2 is to generate the glass back-cover structural schematic diagram with depth textured pattern in the present invention using intaglio plate bat printing；
Fig. 3 is the glass back-cover structural representation for generating different angle discoloration in the present invention using intaglio plate bat printing and metal cladding
Figure；
Fig. 4 is the glass back-cover structural representation for generating color-grading in the present invention using intaglio plate bat printing and polychrome mixed ink
Figure；
Fig. 5 is the structural schematic diagram of the intaglio plate printer device used in the present invention.
Appended drawing reference: 1, fingerprint proof membrane；2, glass back-cover；6, pattern ink；61, polychrome mixed ink；7, explosion-proof ink；
8, metal layer；91, gravure cylinder；92, bat printing roller；93, jig；94, ink storehouse；95, ink roller；96, ink knife.
Specific embodiment
It is described further referring to embodiment of the Fig. 2 to Fig. 5 to antiexplosion telephone glass back-cover production method of the present invention.
A kind of antiexplosion telephone glass back-cover production method, includes the following steps,
1) printing pattern layer: the pattern ink 6 of printed patterns will be needed to print to glass back-cover 2 by intaglio plate printer device
Medial surface on, pattern ink 6 is solidified, formed pattern layer；
2) it prints explosion-proof layer: being printed explosion-proof ink 7 to pattern layer by intaglio plate printer device, by explosion-proof ink 7
Solidification.
As shown in figure 5, the intaglio plate printer device used in the present embodiment, mainly includes gravure cylinder 91, bat printing roller
92 and jig 93, wherein bat printing roller 92 is rubber roller, the pattern production gravure cylinder 91 printed as needed before manufacture, packet
The production for including pattern template on gravure cylinder 91 further includes the 6 thickness pattern-making template of pattern ink printed as needed
Depth, the pattern template on gravure cylinder 91 are the part for receiving ink.
The pattern ink 6 mentioned in the present embodiment is i.e. to the ink of display pattern, and explosion-proof ink 7 is i.e. to prevent glass
The ink that 2 fragmentation of glass back-cover is splashed.
As shown in figure 5, glass back-cover 2 is placed on jig 93 when printing, ink roller 95, ink are set in ink storehouse 94
Roller 95 contacts gravure cylinder 91, and gravure cylinder 91 receives pattern ink 6 by ink roller 95 and rotates along the direction a, and in intaglio plate
Ink knife 96 is set by roller 91, the ink removed at pattern template on gravure cylinder 91 is wiped off, while bat printing roller 92 is along b
Direction rotation, the pattern ink 6 in pattern template is shifted when contacting the pattern template of gravure cylinder 91 and is received, then glass
Back-cover 2 is moved along the direction c, and the medial surface (towards the one side of interior of mobile phone) of glass back-cover 2 upward and contacts bat printing roller 92, is moved
Roller 92 is printed by 6 trans-printing of pattern ink in 2 surface of glass back-cover, and then glass back-cover 2 consolidates pattern ink 6 by heating
Change can be completed the printing of pattern ink 6 and form pattern layer；As shown in Fig. 2, pattern if necessary has shade, can customize
The pattern template to match, according to the depth of the depth design template of color on pattern template, on bat printing to glass back-cover 2 after,
The different ink thickness of different zones is formed, the variation of Lai Shixian shade directly generates texture, using rubber roller trans-printing
6 precision of pattern ink is high, and pattern is exquisite beautiful, and production technology processing procedure is reduced, and efficiency greatly improves.
Pass through another intaglio plate printer device after being completed for printing pattern ink 6, then by glass back-cover 2, explosion-proof ink 7 is printed
It brushes in pattern layer, and solidifies, complete the technological processing for explosion protection feature processing procedure of glass back-cover 2, be not necessarily to individual rupture pressure disc, reduce whole glass
2 thickness of back-cover.
Preferably the curing mode of the pattern ink 6 and the explosion-proof ink 7 is heat cure to the present embodiment, is generally used
Baking oven or the heat cure mode of infrared heating drying, equipment cost is low, and curing rate is fast, is formed in conjunction with intaglio plate printer device
Pipeline system is produced in batches, and production efficiency is greatly improved, and other modes can also be used certainly by ink solidification.
Certainly before pattern layer printing, the processing procedure of fingerprint proof membrane 1, fingerprint proof membrane 1 and figure can be first carried out to glass back-cover 2
Pattern layer is located on two different sides of glass back-cover 2, and processing procedure is mutually independent of each other.
Preferably the step 1) is repeated as many times the present embodiment, and pattern layer thickness as needed is repeated as many times step 1) i.e.
It can.
As shown in figure 3, metal layer 8 is plated in glass back-cover 2 by PVD before the preferred step 1) of the present embodiment
On side.
When needing 2 different angle of glass back-cover that there is color changeable effect, before printing pattern layer, metal layer 8 is plated in
On the medial surface of glass back-cover 2, pattern ink 6 is then republished, available electron rifle plating metal (gold and silver etc.) controls metal layer
8 thickness can control light transmittance, to generate the color changeable effect of different angle.
Preferably the pattern ink 6 in the step 1) is polychrome mixed ink 61 to the present embodiment, using polychrome miscella
Ink 61 can make glass back-cover 2 have the effect of different color, and gradually layer changes colour.
The preferred step 2) of the present embodiment repeats 3-5 times, prints the thickness of explosion-proof ink 7 every time in 9-11um, makes final
Explosion-proof film thickness in 30-50um, integral thickness is still substantially reduced relative to the explosion-proof film thickness of existing adhesive type, with printing
Pattern layer combine, the thickness of entire glass back-cover 2 substantially reduces.
Ink disclosed in Patent No. 201611259798.7 can be used in preferred explosion-proof ink 7 in the present embodiment.
All ink are printed using intaglio plate printer device in the present embodiment, and printing precision greatly improves, especially in glass
When glass back-cover 2 is curved surface, it is still able to maintain high-precision printing, ink is can avoid and is flowed in the knee of glass back-cover 2
It drops down, guarantees that print thickness is identical as design sample, be suitable for batch production, cost substantially reduces.
A kind of glass back-cover 2, glass back-cover 2 are made of above-mentioned production method, and manufactured 2 thickness of glass back-cover is small, figure
Case fineness degree is high, and has explosion prevention function.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of antiexplosion telephone glass back-cover production method, it is characterised in that include the following steps,
1) printing pattern layer: the pattern ink for needing printed patterns is printed to the inside of glass back-cover by intaglio plate printer device
On face, by pattern ink solidification, pattern layer is formed；
2) it prints explosion-proof layer: being printed explosion-proof ink to pattern layer by intaglio plate printer device, by explosion-proof ink solidification.
2. antiexplosion telephone glass back-cover production method according to claim 1, it is characterised in that: the step 1) repeats more
It is secondary.
3. antiexplosion telephone glass back-cover production method according to claim 1, it is characterised in that: before step 1), lead to
PVD is crossed to be plated in metal layer on the medial surface of glass back-cover.
4. antiexplosion telephone glass back-cover production method according to claim 1, it is characterised in that: the figure in the step 1)
Case ink is polychrome mixed ink.
5. antiexplosion telephone glass back-cover production method according to claim 1, it is characterised in that: the step 2) repeats 3-
5 times, the thickness of explosion-proof ink is printed every time in 9-11um.
6. antiexplosion telephone glass back-cover production method described in any one of -5 according to claim 1, it is characterised in that: described
The curing mode of pattern ink and the explosion-proof ink is heat cure.
7. antiexplosion telephone glass back-cover production method according to claim 1, it is characterised in that: before step 1), root
According to the shade for needing printed patterns, corresponding pattern template is made on gravure cylinder.
8. a kind of glass back-cover, it is characterised in that: glass back-cover is made of the production method of claim 7.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910457952.9A CN110202966A (en) | 2019-05-29 | 2019-05-29 | Antiexplosion telephone glass back-cover production method and glass back-cover |
| PCT/CN2020/080556 WO2020238358A1 (en) | 2019-05-29 | 2020-03-23 | Manufacturing method for explosion-proof mobile phone glass back cover, and glass back cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910457952.9A CN110202966A (en) | 2019-05-29 | 2019-05-29 | Antiexplosion telephone glass back-cover production method and glass back-cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110202966A true CN110202966A (en) | 2019-09-06 |
Family
ID=67789418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910457952.9A Pending CN110202966A (en) | 2019-05-29 | 2019-05-29 | Antiexplosion telephone glass back-cover production method and glass back-cover |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110202966A (en) |
| WO (1) | WO2020238358A1 (en) |
Cited By (2)
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| CN110708905A (en) * | 2019-09-29 | 2020-01-17 | 联想(北京)有限公司 | Shell, manufacturing method of shell and electronic equipment |
| WO2020238358A1 (en) * | 2019-05-29 | 2020-12-03 | 恩利克（浙江）智能装备有限公司 | Manufacturing method for explosion-proof mobile phone glass back cover, and glass back cover |
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| Publication number | Publication date |
|---|---|
| WO2020238358A1 (en) | 2020-12-03 |
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Effective date of registration: 20200302 Address after: 314100 Area A, 1st floor, No. 18 Liangchuang Road, Ganyao Town, Jiashan County, Jiaxing City, Zhejiang Province Applicant after: Enrique (Zhejiang) Intelligent Equipment Co., Ltd. Address before: Room 101-11, Building 1158, Central Road, Jiuting Town, Songjiang District, Shanghai 201600 Applicant before: Enrique (Shanghai) Intelligent Equipment Co., Ltd. |
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Application publication date: 20190906 |