CN113459691A - Method and system for coloring rear cover of composite board mobile phone - Google Patents
Method and system for coloring rear cover of composite board mobile phone Download PDFInfo
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- CN113459691A CN113459691A CN202110741869.1A CN202110741869A CN113459691A CN 113459691 A CN113459691 A CN 113459691A CN 202110741869 A CN202110741869 A CN 202110741869A CN 113459691 A CN113459691 A CN 113459691A
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- layer
- color
- mobile phone
- rear cover
- composite board
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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
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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
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/30—Printing on other surfaces than ordinary paper on organic plastics, horn or similar materials
Abstract
The invention discloses a method and a system for coloring a rear cover of a composite board mobile phone, which are used for solving the technical problem of high processing cost caused by complex coloring process of the rear cover of the existing composite board mobile phone. The invention comprises the following steps: before a rear cover of a composite board mobile phone is coated with a film, a UV transfer printing color layer is firstly carried out on the surface of the rear cover of the composite board mobile phone; and electroplating a film coating layer outside the color layer. The invention has the advantages that: the method is characterized in that the color concentrate is added into the transparent UV glue, a color layer is formed on the rear cover of the mobile phone in a UV transfer printing mode, the coloring procedures (spraying, printing semi-transparent color, dip-dyeing and the like) of the existing rear cover of the mobile phone are replaced, the original coloring procedure and the UV transfer printing procedure are combined into a whole, and a film coating layer is electroplated on the color layer after the procedures are integrated, so that the brightness of the rear cover of the mobile phone is improved, the effects of reducing the processing cost and improving the yield are achieved, and meanwhile, the appearance expressive force of the product can not be deteriorated.
Description
Technical Field
The invention relates to the technical field of composite board coloring, in particular to a method and a system for coloring a rear cover of a mobile phone of a composite board.
Background
The existing coloring process of the rear cover of the composite board (PMMA + PC) mobile phone generally adopts the processes of dip dyeing, printing or spraying to color transparent raw materials and then carry out a transparent UV texture process, and then adopts the process of vacuum plating of an electron gun to ensure that the rear cover of the composite board mobile phone has rich colors and pattern effects.
According to the processes, the coloring process and the UV treatment process are performed step by step, the processes are multiple and complex, the processing cost is high, and the improvement of the production efficiency of products is not facilitated.
Therefore, it is an important subject of research by those skilled in the art to find a method and system for coloring a rear cover of a composite panel cellular phone, which can solve the above technical problems.
Disclosure of Invention
The embodiment of the invention discloses a method and a system for coloring a rear cover of a composite board mobile phone, which are used for solving the technical problem of high processing cost caused by complicated coloring procedures of the rear cover of the traditional composite board mobile phone.
The embodiment of the invention provides a method for coloring a rear cover of a composite board mobile phone, which comprises the following steps:
before a rear cover of a composite board mobile phone is coated with a film, a UV transfer printing color layer is firstly carried out on the surface of the rear cover of the composite board mobile phone;
and electroplating a film coating layer outside the color layer.
Optionally, the method further comprises:
before the UV transfer printing color layer, a LOGO printing layer with a LOGO pattern is printed on the surface of the rear cover of the composite board mobile phone.
Optionally, the method further comprises:
and after electroplating a coating layer outside the color layer, printing a base color layer on the coating layer.
Optionally, the method further comprises:
adding color concentrates with preset colors into the transparent UV glue;
stirring and fusing the color concentrate and the transparent UV glue to obtain a colored UV glue;
wherein, the surface of lid behind the composite sheet cell-phone carries out UV rendition color layer and includes:
and forming a color layer on the surface of the rear cover of the composite board mobile phone by using the color UV glue in a UV transfer printing mode.
Optionally, the plating layer includes a pure indium layer and a niobium pentoxide layer, wherein the plating layer includes, outside the color layer:
and after the pure indium layer is electroplated outside the colored layer, the niobium pentoxide layer is electroplated on the pure indium layer.
Optionally, the thickness of the color layer is 6-13 μm, and the transmittance of the color layer is greater than or equal to 50%.
The embodiment of the invention provides a composite board mobile phone rear cover UV transfer printing system, which comprises a UV transfer printing color layer device and a magnetron sputtering device, wherein the UV transfer printing color layer device comprises a UV transfer printing color layer and a UV transfer printing film layer;
the UV transfer printing color layer device is used for firstly carrying out UV transfer printing on the color layer before the rear cover of the composite board mobile phone is coated with a film;
the magnetron sputtering device is used for electroplating a coating layer outside the color layer.
Optionally, the magnetron sputtering apparatus is specifically configured to electroplate a pure indium layer outside the color layer, and then electroplate a niobium pentoxide layer on the pure indium layer.
Optionally, the composite mobile phone further comprises a LOGO printing device, wherein the LOGO printing device is used for printing a LOGO printing layer with a LOGO on the surface of the rear cover of the composite mobile phone before the color layer is subjected to UV transfer printing;
and the UV transfer printing color layer device is used for UV transfer printing color layers on the LOGO printing layer.
Optionally, the printing device for the base color is further included, and is used for printing the base color layer on the coating layer after the coating layer is electroplated outside the color layer.
According to the technical scheme, the embodiment of the invention has the following advantages:
in this embodiment, add the transparent UV to the color essence and glue the inside, cover behind the cell-phone and form the chromatic layer with the mode of UV rendition, the painted process (spraying, printing semi-permeable look, dip-dyeing etc.) of lid behind the cell-phone that will have now replaces, two processes of original painted process and UV rendition unite two into one, the coating film layer of electroplating on the chromatic layer after the process integration, the luminance that makes lid behind the cell-phone improves, this technical scheme reduces one manufacturing procedure relative traditional production process, thereby reach reduction in production cost, improve product quality and provide production efficiency's purpose, and can guarantee simultaneously that the outward appearance performance of product can not worsen.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of the main flow of a method for coloring a rear cover of a composite panel mobile phone according to the present invention;
fig. 2 is a schematic flow chart of a composite board mobile phone rear cover UV transfer printing system according to the present invention.
Detailed Description
The embodiment of the invention discloses a method and a system for coloring a rear cover of a composite board mobile phone, which are used for solving the technical problem of high processing cost caused by complicated coloring procedures of the rear cover of the traditional composite board mobile phone.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, the method for coloring the rear cover of the composite board mobile phone provided in the embodiment includes the following steps:
and step S1, printing a LOGO printing layer with a LOGO pattern on the rear of the composite board mobile phone, drying the printed composite board for 1 hour at room temperature, and then baking the composite board for 1.5 hours in an oven.
Specifically, the LOGO pattern may be changed according to the requirement of the designer, which is not limited by the embodiment.
S2, carrying out UV transfer printing on a color layer on the LOGO printing layer, wherein the thickness of the color layer is 6-13 mu m, and the transmittance of the color layer is more than or equal to 50%;
when the UV is transferred to the color layer, the coloring and texture effects of the rear cover of the mobile phone are simultaneously realized, the color of the UV transfer color layer is determined according to the requirements of a designer, after the UV transfer process is completed, the color of the color layer needs to be compared with a color plate (color card), after the color of the color layer is confirmed to be correct, the position of the LOGO printing layer is cured for 3-5 seconds by a mercury lamp, and then the LED is cured for 3 seconds (1500ml energy).
It should be noted that, before the color layer is transferred by the UV, a preset color concentrate needs to be added into the transparent UV glue to be stirred and fused, so as to obtain a color UV glue, and then the color UV glue is added into the UV transfer machine, and the UV transfer machine transfers the color layer on the LOGO printing layer by the UV transfer machine.
And step S3, electroplating a coating layer on the color layer by adopting a magnetron sputtering method, wherein the total thickness of the coating layer is 60 +/-10 microns, the coating layer comprises a pure indium layer and a niobium pentoxide layer, and the pure indium layer is electroplated outside the color layer, and then the niobium pentoxide layer is electroplated on the pure indium layer.
It should be noted that, through the external electrical plating coating layer in the color layer, the brightness of the mobile phone rear cover can be improved, the appearance of the mobile phone rear cover is further improved, and the requirements of different users are met.
And S4, printing a base color layer on the film coating layer, wherein the step of printing the base color layer comprises printing a base color, printing a second base color and printing a third base color, the tunnel furnace is used for baking for 15 minutes after the first base color is printed, the tunnel furnace is used for baking for 15 minutes after the second base color is printed, and the oven is used for baking for 1.5 hours after the third base color is printed.
Taking the UV transfer color layer as an example of red, the following table 1 shows the process parameters of each printing step (step S1, step S4).
In this embodiment, add the transparent UV to the color essence and glue the inside, cover behind the cell-phone and form the chromatic layer with the mode of UV rendition, the painted process (spraying, printing semi-permeable look, dip-dyeing etc.) of lid behind the cell-phone that will have now replaces, two processes of original painted process and UV rendition unite two into one, the coating film layer of electroplating on the chromatic layer after the process integration, the luminance that makes lid behind the cell-phone improves, this technical scheme reduces one manufacturing procedure relative traditional production process, thereby reach reduction in production cost, improve product quality and provide production efficiency's purpose, and can guarantee simultaneously that the outward appearance performance of product can not worsen.
Example two
In the embodiment, the composite board mobile phone rear cover UV transfer printing system used in the first embodiment includes, as shown in fig. 2, a LOGO printing device, a UV transfer printing color layer device, a magnetron sputtering device, and a ground color printing device in sequence according to the process flow steps;
in this embodiment, the LOGO printing device may be a screen printer;
LOGO printing device is used for the surface printing who has the LOGO pattern at composite sheet cell-phone back lid to print the LOGO printing layer.
In this embodiment, the UV transfer color layer device may employ a UV transfer machine;
the UV transfer printing color layer device is used for transferring a UV color layer on the LOGO printing layer;
it should be noted that, before the color layer is transferred by the UV, a preset color concentrate needs to be added into the transparent UV glue to be stirred and fused, so as to obtain a color UV glue, and then the color UV glue is added into the UV transfer machine, and the UV transfer machine transfers the color layer on the LOGO printing layer by the UV transfer machine.
In this embodiment, the magnetron sputtering apparatus is used to plate a coating layer on the color layer by a magnetron sputtering method.
Specifically, after the magnetron sputtering device electroplates a pure indium layer outside the color layer, a niobium pentoxide layer is electroplated on the pure indium layer.
In this embodiment, the ground color printing device may employ a screen printer;
the base color printing device is used for printing a base color layer on the film coating layer.
While the method and system for coloring a rear cover of a composite mobile phone provided by the present invention have been described in detail, those skilled in the art will appreciate that the embodiments and applications of the method and system according to the present invention may vary.
Claims (10)
1. A method for coloring a rear cover of a composite board mobile phone is characterized by comprising the following steps:
before a rear cover of a composite board mobile phone is coated with a film, a UV transfer printing color layer is firstly carried out on the surface of the rear cover of the composite board mobile phone;
and electroplating a film coating layer outside the color layer.
2. The method of coloring a composite panel phone back cover according to claim 1, further comprising:
before the UV transfer printing color layer, a LOGO printing layer with a LOGO pattern is printed on the surface of the rear cover of the composite board mobile phone.
3. The method of coloring a composite panel phone back cover according to claim 1, further comprising:
and after electroplating a coating layer outside the color layer, printing a base color layer on the coating layer.
4. The method of coloring a composite panel phone back cover according to claim 1, further comprising:
adding color concentrates with preset colors into the transparent UV glue;
stirring and fusing the color concentrate and the transparent UV glue to obtain a colored UV glue;
wherein, the surface of lid behind the composite sheet cell-phone carries out UV rendition color layer and includes:
and forming a color layer on the surface of the rear cover of the composite board mobile phone by using the color UV glue in a UV transfer printing mode.
5. The method for coloring a rear cover of a composite mobile phone according to any one of claims 1 to 4, wherein the coating layer comprises a pure indium layer and a niobium pentoxide layer, wherein the electroplating coating layer outside the colored layer comprises:
and after the pure indium layer is electroplated outside the colored layer, the niobium pentoxide layer is electroplated on the pure indium layer.
6. The method for coloring the rear cover of the composite board mobile phone according to claim 1, wherein the thickness of the color layer is 6-13 μm, and the transmittance of the color layer is not less than 50%.
7. A composite board mobile phone rear cover UV transfer printing system is characterized by comprising a UV transfer printing color layer device and a magnetron sputtering device;
the UV transfer printing color layer device is used for firstly carrying out UV transfer printing on the color layer before the rear cover of the composite board mobile phone is coated with a film;
the magnetron sputtering device is used for electroplating a coating layer outside the color layer.
8. The composite board mobile phone rear cover UV transfer printing system of claim 7, wherein the magnetron sputtering device is specifically configured to electroplate a pure indium layer outside the color layer, and then electroplate a niobium pentoxide layer on the pure indium layer.
9. The composite board handset back cover UV transfer printing system of claim 7, further comprising a LOGO printing means for printing a LOGO printed layer with a LOGO pattern on the surface of the composite board handset back cover prior to UV transfer printing of the color layer;
and the UV transfer printing color layer device is used for UV transfer printing color layers on the LOGO printing layer.
10. The composite board handset back cover UV transfer printing system of claim 7 further comprising a base color printing device for printing a base color layer on the plated layer after plating a plated layer outside the color layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110741869.1A CN113459691A (en) | 2021-06-30 | 2021-06-30 | Method and system for coloring rear cover of composite board mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110741869.1A CN113459691A (en) | 2021-06-30 | 2021-06-30 | Method and system for coloring rear cover of composite board mobile phone |
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| CN113459691A true CN113459691A (en) | 2021-10-01 |
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| CN202110741869.1A Withdrawn CN113459691A (en) | 2021-06-30 | 2021-06-30 | Method and system for coloring rear cover of composite board mobile phone |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108624855A (en) * | 2018-06-29 | 2018-10-09 | 宁国市千洪电子有限公司 | Composite plate cell phone rear cover prints film plating process and system |
| CN208714806U (en) * | 2018-06-29 | 2019-04-09 | 宁国市千洪电子有限公司 | A kind of composite plate cell phone rear cover and its printing manufacturing system |
| CN210100977U (en) * | 2018-11-12 | 2020-02-21 | 昆山龙飞光电有限公司 | Lid mirror surface LOGO printing structure behind cell-phone and processingequipment thereof |
| CN111058007A (en) * | 2020-01-10 | 2020-04-24 | 广东阿特斯科技有限公司 | Printing and coating method for rear cover of mobile phone and rear cover of mobile phone |
| CN213152114U (en) * | 2020-10-31 | 2021-05-07 | 东莞市汇诚塑胶金属制品有限公司 | Color transfer texture mobile phone rear cover |
-
2021
- 2021-06-30 CN CN202110741869.1A patent/CN113459691A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108624855A (en) * | 2018-06-29 | 2018-10-09 | 宁国市千洪电子有限公司 | Composite plate cell phone rear cover prints film plating process and system |
| CN208714806U (en) * | 2018-06-29 | 2019-04-09 | 宁国市千洪电子有限公司 | A kind of composite plate cell phone rear cover and its printing manufacturing system |
| CN210100977U (en) * | 2018-11-12 | 2020-02-21 | 昆山龙飞光电有限公司 | Lid mirror surface LOGO printing structure behind cell-phone and processingequipment thereof |
| CN111058007A (en) * | 2020-01-10 | 2020-04-24 | 广东阿特斯科技有限公司 | Printing and coating method for rear cover of mobile phone and rear cover of mobile phone |
| CN213152114U (en) * | 2020-10-31 | 2021-05-07 | 东莞市汇诚塑胶金属制品有限公司 | Color transfer texture mobile phone rear cover |
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Application publication date: 20211001 |