CN111002732A - Colorful silk-screen process for 3D mobile phone rear cover - Google Patents
Colorful silk-screen process for 3D mobile phone rear cover Download PDFInfo
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- CN111002732A CN111002732A CN201911329523.XA CN201911329523A CN111002732A CN 111002732 A CN111002732 A CN 111002732A CN 201911329523 A CN201911329523 A CN 201911329523A CN 111002732 A CN111002732 A CN 111002732A
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- Prior art keywords
- mobile phone
- rear cover
- phone rear
- silk
- colorful
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- 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
- B41M1/12—Stencil printing; Silk-screen printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/06—Veined printings; Fluorescent printings; Stereoscopic images; Imitated patterns, e.g. tissues, textiles
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Textile Engineering (AREA)
- Vascular Medicine (AREA)
- Telephone Set Structure (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a colorful silk-screen process of a 3D mobile phone rear cover, which comprises the following steps of S1, processing a base material; s2, polishing and cleaning; s3, silk-screen processing of colorful stereoscopic texture patterns; s4, coating; and S5, drying, exposing and developing. According to the invention, through setting colorful stereoscopic texture pattern silk-screen processing and film coating processing, double colorful visual perception of patterns and a mobile phone rear cover is realized, a 3D mobile phone rear cover with colorful patterns and colorful appearance can be obtained, and multiple layers of powder coatings with different colors are sprayed by covering a silk-screen mesh for multiple times, stereoscopic patterns with the characteristics of strong color layering and long texture retention can be obtained, and the visual perception of the patterns of the 3D mobile phone rear cover is improved; through destroying the correction board, reduce the physical film thickness of coating by vaporization material and realize that the colour dazzles various, obtain on the vacuum evaporation surface of lid behind the 3D cell-phone dazzles colored coating film for lid has dazzles various effect behind the 3D cell-phone, guarantees pleasing to the eye degree.
Description
Technical Field
The invention relates to the technical field of mobile phone rear covers, in particular to a colorful silk-screen process of a 3D mobile phone rear cover.
Background
In the present day that the market of mobile phones is increasingly expanded, the competition of processing the rear covers of mobile phones is increased, and each large mobile phone company continuously develops new processes, and hopes to adopt the new processes to reduce the production cost so as to improve the market competitiveness of the company. The existing 3D mobile phone rear cover needs to be provided with a colorful film, and the existing film coating process can only carry out film coating with single color and is not suitable for the colorful film coating requirement; the 3D mobile phone rear cover can obtain a plane texture pattern on the outer surface of the 3D mobile phone rear cover through a secondary thermal transfer printing process technology after spraying, but cannot conveniently obtain a vivid and colorful required pattern, and the 3D mobile phone rear cover obtained by the method is an ink plane printing pattern which is lack of permeability and easy to fade in a coating and has low retentivity. And the pattern is a plane pattern, the color layering sense of the drawing is less, and the visual sense of the 3D mobile phone rear cover pattern is limited.
Disclosure of Invention
The invention provides a colorful silk-screen process of a 3D mobile phone rear cover aiming at the defects of the prior art.
The technical scheme adopted by the invention for realizing the purpose is as follows:
a colorful silk-screen process for a 3D mobile phone rear cover comprises the following steps:
s1, processing of the base material: processing the base material into a 3D mobile phone rear cover material piece through CNC equipment;
s2, polishing and cleaning: putting the 3D mobile phone rear cover material piece on a grinding machine for double-sided grinding;
s3, silk-screen processing of colorful stereoscopic texture patterns: the method comprises the following steps that a first layer of ground color powder coating is sprayed on a 3D mobile phone rear cover part after pretreatment, then a silk screen with a required pattern is laid on the first layer of coating film, then a second layer of color powder coating is sprayed on the first layer of coating film, then the silk screen is removed, and finally the sprayed 3D mobile phone rear cover part is solidified to obtain a three-dimensional pattern layer;
s4, coating processing: selecting a 3D mobile phone rear cover material piece, designing a color film program by using film design software, putting a required evaporation material and a special correction plate into a film coating machine, putting the 3D mobile phone rear cover material piece material onto a machine umbrella leaf, and starting a vacuum film coating machine to operate the program for film coating;
s5, drying, exposing and developing: and putting the coated 3D mobile phone rear cover material piece into a baking machine for drying, and exposing and developing after drying to obtain the colorful 3D mobile phone rear cover.
Further improved, the first layer of the base color powder coating in the step S3 is cured at 175 ℃ and 155 ℃ for 5-8min, and the second layer of the color powder coating is cured at 210 ℃ and 190 ℃ for 10-15 min.
The further improvement is that after the base coat is sprayed in the step S3, the silk screen is covered for multiple times to spray multiple layers of powder coatings with different colors, and then needed patterns with more colors and stereoscopic impression are obtained.
In a further improvement, the silk screen in step S3 is provided with the holes with the larger apertures at the required pattern positions suitable for the powder coating to pass through, and the holes with the smaller apertures at the positions without the pattern positions not suitable for the powder coating to pass through.
Further improved, the film design software in step S4 designs the patterns marked off in the color film program.
In a further improvement, in the step S5, the specially-made correction plates are obtained by destroying a plurality of original uniform correction plates, so as to reduce the physical film thickness of the evaporation material to realize the dazzling of colors.
The further improvement is that the damage to the correction plate is specifically to coat a high-temperature resistant coating layer with folds on one section of the surface of the correction plate, so as to reduce the physical film thickness of the evaporation material.
The invention has the beneficial effects that: after the silk-screen process is adopted, through setting colorful stereoscopic texture pattern silk-screen processing and film coating processing, double colorful visual perception of patterns and the mobile phone rear cover is realized, the 3D mobile phone rear cover with colorful patterns and colorful appearance can be obtained, and the patterns with stereoscopic sense and strong color layering sense and long texture retentivity can be obtained by spraying multiple layers of powder coatings with different colors through covering a silk-screen net for multiple times, so that the visual perception of the patterns of the 3D mobile phone rear cover is greatly improved; through destroying the correction board, reduce the physical film thickness of coating by vaporization material and realize that the colourful dazzling of colour, after the coating by vaporization is accomplished, obtain on the vacuum evaporation surface of lid behind the 3D cell-phone dazzling colored coating film for lid has dazzles various effect behind the 3D cell-phone, guarantees pleasing to the eye degree.
The invention is further described with reference to the following detailed description and accompanying drawings.
Drawings
Fig. 1 is a schematic view of a flow of a colorful silk-screen printing process of the rear cover of the 3D mobile phone in this embodiment.
Detailed Description
The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.
In an embodiment, referring to fig. 1, a glare color screen printing process for a rear cover of a 3D mobile phone includes the following steps:
s1, processing of the base material: processing the base material into a 3D mobile phone rear cover material piece through CNC equipment;
s2, polishing and cleaning: putting the 3D mobile phone rear cover material piece on a grinding machine for double-sided grinding;
s3, silk-screen processing of colorful stereoscopic texture patterns: the method comprises the following steps that a first layer of ground color powder coating is sprayed on a 3D mobile phone rear cover part after pretreatment, then a silk screen with a required pattern is laid on the first layer of coating film, then a second layer of color powder coating is sprayed on the first layer of coating film, then the silk screen is removed, and finally the sprayed 3D mobile phone rear cover part is solidified to obtain a three-dimensional pattern layer;
s4, coating processing: selecting a 3D mobile phone rear cover material piece, designing a color film program by using film design software, putting a required evaporation material and a special correction plate into a film coating machine, putting the 3D mobile phone rear cover material piece material onto a machine umbrella leaf, and starting a vacuum film coating machine to operate the program for film coating;
s5, drying, exposing and developing: and putting the coated 3D mobile phone rear cover material piece into a baking machine for drying, and exposing and developing after drying to obtain the colorful 3D mobile phone rear cover.
The first layer of the base color powder coating in the step S3 is cured at the temperature of 155-175 ℃ for 5-8min, and the second layer of the base color powder coating is cured at the temperature of 190-210 ℃ for 10-15 min.
And S3, spraying a bottom coating, covering a silk screen for multiple times, spraying multiple layers of powder coatings with different colors, and obtaining the needed patterns with more colors and stereoscopic impression.
In the step S3, the screen printing net has the required pattern, which has a larger aperture and is suitable for the powder coating to pass through, and the pattern which has no pattern has a smaller aperture and is not suitable for the powder coating to pass through.
The film design software in step S4 designs a pattern in the color film program.
In the step S5, the specially-made correction plates are obtained by destroying a plurality of original uniform correction plates, so as to reduce the physical film thickness of the evaporation material to realize color dazzling.
The damage to the correction plate is specifically to coat a high-temperature-resistant coating layer with folds on one section of the surface of the correction plate, so that the physical film thickness of the evaporation material is reduced.
After the silk-screen process is adopted, through setting colorful stereoscopic texture pattern silk-screen processing and film coating processing, double colorful visual perception of patterns and the mobile phone rear cover is realized, the 3D mobile phone rear cover with colorful patterns and colorful appearance can be obtained, and the patterns with stereoscopic sense and strong color layering sense and long texture retentivity can be obtained by spraying multiple layers of powder coatings with different colors through covering a silk-screen net for multiple times, so that the visual perception of the patterns of the 3D mobile phone rear cover is greatly improved; through destroying the correction board, reduce the physical film thickness of coating by vaporization material and realize that the colourful dazzling of colour, after the coating by vaporization is accomplished, obtain on the vacuum evaporation surface of lid behind the 3D cell-phone dazzling colored coating film for lid has dazzles various effect behind the 3D cell-phone, guarantees pleasing to the eye degree.
The invention is not limited to the above embodiment, and other dazzling color screen printing processes for the back cover of the 3D mobile phone, which are obtained by using the same or similar process or method as the above embodiment of the invention, are within the scope of the invention.
Claims (7)
1. The colorful silk-screen printing process of the 3D mobile phone rear cover is characterized by comprising the following steps:
s1, processing of the base material: processing the base material into a 3D mobile phone rear cover material piece through CNC equipment;
s2, polishing and cleaning: putting the 3D mobile phone rear cover material piece on a grinding machine for double-sided grinding;
s3, silk-screen processing of colorful stereoscopic texture patterns: the method comprises the following steps that a first layer of ground color powder coating is sprayed on a 3D mobile phone rear cover part after pretreatment, then a silk screen with a required pattern is laid on the first layer of coating film, then a second layer of color powder coating is sprayed on the first layer of coating film, then the silk screen is removed, and finally the sprayed 3D mobile phone rear cover part is solidified to obtain a three-dimensional pattern layer;
s4, coating processing: selecting a 3D mobile phone rear cover material piece, designing a color film program by using film design software, putting a required evaporation material and a special correction plate into a film coating machine, putting the 3D mobile phone rear cover material piece material onto a machine umbrella leaf, and starting a vacuum film coating machine to operate the program for film coating;
s5, drying, exposing and developing: and putting the coated 3D mobile phone rear cover material piece into a baking machine for drying, and exposing and developing after drying to obtain the colorful 3D mobile phone rear cover.
2. The dazzle color silk-screen process for the rear cover of the 3D mobile phone according to claim 1, characterized in that: the first layer of the base color powder coating in the step S3 is cured at the temperature of 155-175 ℃ for 5-8min, and the second layer of the base color powder coating is cured at the temperature of 190-210 ℃ for 10-15 min.
3. The dazzle color silk-screen process for the rear cover of the 3D mobile phone according to claim 1, characterized in that: and S3, spraying a bottom coating, covering a silk screen for multiple times, spraying multiple layers of powder coatings with different colors, and obtaining the needed patterns with more colors and stereoscopic impression.
4. The colorful silk-screen process of the 3D mobile phone rear cover according to claim 3, characterized in that: in the step S3, the screen printing net has the required pattern, which has a larger aperture and is suitable for the powder coating to pass through, and the pattern which has no pattern has a smaller aperture and is not suitable for the powder coating to pass through.
5. The colorful silk-screen process of the 3D mobile phone rear cover according to claim 4, characterized in that: the film design software in step S4 designs a pattern in the color film program.
6. The colorful silk-screen process of the 3D mobile phone rear cover, according to claim 5, is characterized in that: in the step S5, the specially-made correction plates are obtained by destroying a plurality of original uniform correction plates, so as to reduce the physical film thickness of the evaporation material to realize color dazzling.
7. The colorful silk-screen process of the 3D mobile phone rear cover according to claim 6, characterized in that: the damage to the correction plate is specifically to coat a high-temperature-resistant coating layer with folds on one section of the surface of the correction plate, so that the physical film thickness of the evaporation material is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911329523.XA CN111002732A (en) | 2019-12-20 | 2019-12-20 | Colorful silk-screen process for 3D mobile phone rear cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911329523.XA CN111002732A (en) | 2019-12-20 | 2019-12-20 | Colorful silk-screen process for 3D mobile phone rear cover |
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| Publication Number | Publication Date |
|---|---|
| CN111002732A true CN111002732A (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911329523.XA Pending CN111002732A (en) | 2019-12-20 | 2019-12-20 | Colorful silk-screen process for 3D mobile phone rear cover |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112140763A (en) * | 2020-09-28 | 2020-12-29 | 湖南煌丽箱包皮具有限公司 | Case printing process |
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2019
- 2019-12-20 CN CN201911329523.XA patent/CN111002732A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112140763A (en) * | 2020-09-28 | 2020-12-29 | 湖南煌丽箱包皮具有限公司 | Case printing process |
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Application publication date: 20200414 |