CN111031160A - Production process of composite board mobile phone rear cover - Google Patents
Production process of composite board mobile phone rear cover Download PDFInfo
- Publication number
- CN111031160A CN111031160A CN201911380942.6A CN201911380942A CN111031160A CN 111031160 A CN111031160 A CN 111031160A CN 201911380942 A CN201911380942 A CN 201911380942A CN 111031160 A CN111031160 A CN 111031160A
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- Prior art keywords
- composite board
- mobile phone
- rear cover
- printing
- production process
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0279—Improving the user comfort or ergonomics
- H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
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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
- B41M1/14—Multicolour printing
- B41M1/18—Printing one ink over another
-
- 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
-
- 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
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
- H04M1/185—Improving the rigidity of the casing or resistance to shocks
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a production process of a composite board mobile phone rear cover, which comprises the following steps: preparing a composite board substrate; cutting the composite board substrate to obtain a composite board substrate; the printing step is to obtain pattern printing, optical coating, mirror surface silver printing ink, UV transfer glue, a first color printing ink layer and a second color printing ink layer; a high-pressure forming step, namely obtaining a semi-finished product of the rear cover of the composite board mobile phone; spraying a strengthening liquid to obtain a hardened film; film pasting protection; and (5) carrying out CNC cutting processing to obtain a finished product of the rear cover of the composite board mobile phone. According to the invention, the composite board material is adopted for production and processing, the curved surface effect which cannot be achieved by conventional injection molding is realized, the problem of unstable combination of UV glue and glass in the prior art is solved, the prepared composite board mobile phone rear cover not only achieves the hardness of glass, but also has the toughness of plastic, can resist stronger impact and is thinner, the production process cost of the composite board mobile phone rear cover is lower, and the production efficiency is higher.
Description
Technical Field
The invention relates to the technical field of mobile phone rear covers, in particular to a production process of a composite board mobile phone rear cover.
Background
Mobile phones are becoming essential in daily life, and in order to continuously improve user experience and meet market demands, mobile phone research and development and structural designers are gradually improving mobile phone screen structures, mobile phone appearances, control mainboards and the like. The mobile phone cover plate is also synchronously innovated along with the continuous upgrade of the mobile phone and is used as a 'face' project of the mobile phone, and the mobile phone cover plate plays a special identity in the mobile phone; along with the requirement of higher and higher fineness of the appearance of the mobile phone, the metal rear cover is used on the appearance surface of the mobile phone rear cover more and more, but the metal cover body is mainly formed by CNC (computer numerical control) machining, the forming time consumption is long, the cost is high, the mass production is difficult, and the metal can cause signal interference obstruction, so the existing mobile phone rear cover is mostly made of plastic or 3D glass, the plastic mobile phone rear cover is mostly made by conventional injection molding, the process is difficult to meet the requirement of higher curved surface effect, and the 3D glass effect manufacturing process is adopted, the 3D glass has the problem of unstable combination of UV glue and glass, and the toughness is poor, so the impact resistance is not strong; in addition, the thickness of the rear cover of the existing mobile phone is difficult to be further thinned, and the technology is limited.
At present, the surface treatment process for the mobile phone rear cover is single, so that the appearance effect is relatively limited and the homogenization is serious, the single matte or bright effect is mostly adopted, the aesthetic fatigue of consumers is easily caused, and the existing production process for the mobile phone rear cover cannot meet the requirements of the mobile phone rear cover with high toughness, multiple performances and diversified surface effects required by the consumers.
Disclosure of Invention
The invention provides a production process of a rear cover of a composite board mobile phone, aiming at the defects of the prior art.
The technical scheme adopted by the invention for realizing the purpose is as follows:
a production process of a composite board mobile phone rear cover comprises the following steps:
(1) material preparation: preparing a composite board substrate;
(2) cutting a composite board substrate: cutting the composite board substrate by using a cutting machine, and grinding and polishing to obtain the composite board substrate;
(3) a printing step: sequentially printing a pattern, optically coating a film, printing mirror silver ink and UV transfer printing glue on one side of the base material of the rear cover of the mobile phone, and sequentially printing a first color ink layer and a second color ink layer on one side of the base material of the rear cover of the mobile phone;
(4) high-pressure forming: performing curved surface molding on the composite board substrate obtained in the step (3) by using a high-pressure molding die to obtain a semi-finished product of the rear cover of the composite board mobile phone;
(5) coating a strengthening liquid by spraying: spraying a strengthening liquid on the outer surface of the semi-finished product of the mobile phone rear cover of the composite board, and drying to form a hardening film so as to harden the surface hardness of the hardening film;
(6) film pasting protection: coating protective films on the front and back surfaces of the semi-finished product of the hardened composite board mobile phone rear cover;
(7) CNC cutting machining: and (4) putting the semi-finished product of the rear cover of the composite board mobile phone coated with the protective film into a CNC machine table for numerical control cutting processing to obtain a finished product of the rear cover of the composite board mobile phone.
In the step (3), the printing of the first color ink layer refers to printing the first color ink layer for three times, that is, printing the first color ink layer for the first time, printing the first color ink layer for the second time, and printing the first color ink layer for the third time.
In the step (4), the high-pressure forming mold comprises an upper mold and a lower mold, wherein the upper mold has a forming temperature of 105 ℃ to 115 ℃, the lower mold has a forming temperature of 85 ℃ to 95 ℃, the forming time is 25 seconds to 35 seconds, and the blowing is 60 KG.
In a further improvement, the step (7) of CNC cutting further comprises the following steps: and machining a through hole by CNC.
In a further improvement, the protective film in the step (6) is a PET protective film.
Further improved, the pattern printing in the step (3) comprises the following steps: forming grooves on the upper surface of the composite board substrate, wherein the grooves form patterns; carrying out anodic oxidation treatment on the composite board base material to form an anodic oxide film layer on the outer surface of the composite board base material; and sequentially forming a coating pattern and an optical film layer on the upper surface of the anodic oxidation film layer, wherein the optical film layer covers the coating pattern.
In a further improvement, the grooves are formed by a numerical control turn-milling method.
According to a further improvement, the gloss G value of the upper surface of the composite board substrate obtained by polishing the upper surface of the composite board substrate in the step (2) is more than 600.
The further improvement is that a coating layer is formed on the upper surface of the anodic oxide film layer by adopting a vacuum evaporation or magnetron sputtering method.
The invention has the beneficial effects that: according to the production process of the composite board mobile phone rear cover, the composite board material is adopted for production and processing, the requirements of various texture effects and colors can be met, the curved surface effect which cannot be achieved by conventional injection molding is achieved, the problem that UV glue and glass are not stably combined in the prior art is solved, the prepared composite board mobile phone rear cover not only achieves the hardness of glass, but also has the toughness of plastic and can bear stronger impact, and the prepared composite board mobile phone rear cover can be thinned more, so that the cost is lower, and the production efficiency is higher; and the manufacturing process is simple, the process stability is good, the controllability is good, and the method is suitable for popularization and application. And through optimizing the printing step technology in the production technology of the composite board mobile phone rear cover, the prepared composite board mobile phone rear cover has three-dimensional patterns, multiple layers of patterns are provided, the patterns are diversified, the visual impact on consumers after the multiple layers of patterns are superposed is strong, the composite board mobile phone rear cover has metal texture, the colorful effect can be realized, the appearance effect is rich, the appearance is attractive, and the requirements of the mobile phone rear cover with high toughness, multiple performances and diversified surface effects, which are required by the consumers, can be met.
The invention is further described with reference to the following detailed description and accompanying drawings.
Drawings
Fig. 1 is a schematic view of a production process flow of the rear cover of the composite board 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 the embodiment, referring to fig. 1, a process for producing a rear cover of a composite board mobile phone includes the following steps:
(1) material preparation: preparing a composite board substrate;
(2) cutting a composite board substrate: cutting the composite board substrate by using a cutting machine, and grinding and polishing to obtain the composite board substrate;
(3) a printing step: sequentially printing a pattern, optically coating a film, printing mirror silver ink and UV transfer printing glue on one side of the base material of the rear cover of the mobile phone, and sequentially printing a first color ink layer and a second color ink layer on one side of the base material of the rear cover of the mobile phone;
(4) high-pressure forming: performing curved surface molding on the composite board substrate obtained in the step (3) by using a high-pressure molding die to obtain a semi-finished product of the rear cover of the composite board mobile phone;
(5) coating a strengthening liquid by spraying: spraying a strengthening liquid on the outer surface of the semi-finished product of the mobile phone rear cover of the composite board, and drying to form a hardening film so as to harden the surface hardness of the hardening film;
(6) film pasting protection: coating protective films on the front and back surfaces of the semi-finished product of the hardened composite board mobile phone rear cover;
(7) CNC cutting machining: and (4) putting the semi-finished product of the rear cover of the composite board mobile phone coated with the protective film into a CNC machine table for numerical control cutting processing to obtain a finished product of the rear cover of the composite board mobile phone.
In the step (3), the printing of the first color ink layer refers to printing the first color ink layer for three times, namely printing the first color ink layer for the first time, printing the first color ink layer for the second time and printing the first color ink layer for the third time.
In the step (4), the high-pressure forming die comprises an upper die and a lower die, wherein the forming temperature of the upper die is 105 ℃ to 115 ℃, the forming temperature of the lower die is 85 ℃ to 95 ℃, the forming time is 25 seconds to 35 seconds, and 60KG air blowing is carried out.
The CNC cutting machining in the step (7) further comprises the following steps: and machining a through hole by CNC.
The protective film in the step (6) is a PET protective film.
The pattern printing in the step (3) comprises the following steps: forming grooves on the upper surface of the composite board substrate, wherein the grooves form patterns; carrying out anodic oxidation treatment on the composite board base material to form an anodic oxide film layer on the outer surface of the composite board base material; and sequentially forming a coating pattern and an optical film layer on the upper surface of the anodic oxidation film layer, wherein the optical film layer covers the coating pattern.
The grooves are formed by a numerical control turn-milling method.
And (3) polishing the upper surface of the composite board substrate in the step (2) to obtain the gloss G value of the upper surface of the composite board substrate larger than 600.
And forming a coating layer on the upper surface of the anodic oxide film layer by adopting a vacuum evaporation or magnetron sputtering method.
According to the production process of the composite board mobile phone rear cover, the composite board material is adopted for production and processing, the requirements of various texture effects and colors can be met, the curved surface effect which cannot be achieved by conventional injection molding is achieved, the problem that UV glue and glass are not stably combined in the prior art is solved, the prepared composite board mobile phone rear cover not only achieves the hardness of glass, but also has the toughness of plastic and can bear stronger impact, and the prepared composite board mobile phone rear cover can be thinned more, so that the cost is lower, and the production efficiency is higher; and the manufacturing process is simple, the process stability is good, the controllability is good, and the method is suitable for popularization and application. And through optimizing the printing step technology in the production technology of the composite board mobile phone rear cover, the prepared composite board mobile phone rear cover has three-dimensional patterns, multiple layers of patterns are provided, the patterns are diversified, the visual impact on consumers after the multiple layers of patterns are superposed is strong, the composite board mobile phone rear cover has metal texture, the colorful effect can be realized, the appearance effect is rich, the appearance is attractive, and the requirements of the mobile phone rear cover with high toughness, multiple performances and diversified surface effects, which are required by the consumers, can be met.
The invention is not limited to the above embodiment, and other production processes for the rear cover of the composite board mobile phone, which are obtained by adopting the same or similar process or method as the above embodiment of the invention, are within the protection scope of the invention.
Claims (9)
1. A production process of a composite board mobile phone rear cover is characterized by comprising the following steps: which comprises the following steps:
(1) material preparation: preparing a composite board substrate;
(2) cutting a composite board substrate: cutting the composite board substrate by using a cutting machine, and grinding and polishing to obtain the composite board substrate;
(3) a printing step: sequentially printing a pattern, optically coating a film, printing mirror silver ink and UV transfer printing glue on one side of the base material of the rear cover of the mobile phone, and sequentially printing a first color ink layer and a second color ink layer on one side of the base material of the rear cover of the mobile phone;
(4) high-pressure forming: performing curved surface molding on the composite board substrate obtained in the step (3) by using a high-pressure molding die to obtain a semi-finished product of the rear cover of the composite board mobile phone;
(5) coating a strengthening liquid by spraying: spraying a strengthening liquid on the outer surface of the semi-finished product of the mobile phone rear cover of the composite board, and drying to form a hardening film so as to harden the surface hardness of the hardening film;
(6) film pasting protection: coating protective films on the front and back surfaces of the semi-finished product of the hardened composite board mobile phone rear cover;
(7) CNC cutting machining: and (4) putting the semi-finished product of the rear cover of the composite board mobile phone coated with the protective film into a CNC machine table for numerical control cutting processing to obtain a finished product of the rear cover of the composite board mobile phone.
2. The production process of the composite board mobile phone rear cover according to claim 1, characterized in that: in the step (3), the printing of the first color ink layer refers to printing the first color ink layer for three times, namely printing the first color ink layer for the first time, printing the first color ink layer for the second time and printing the first color ink layer for the third time.
3. The production process of the composite board mobile phone rear cover according to claim 1, characterized in that: in the step (4), the high-pressure forming die comprises an upper die and a lower die, wherein the forming temperature of the upper die is 105 ℃ to 115 ℃, the forming temperature of the lower die is 85 ℃ to 95 ℃, the forming time is 25 seconds to 35 seconds, and 60KG air blowing is carried out.
4. The production process of the composite board mobile phone rear cover according to claim 1, characterized in that: the CNC cutting machining in the step (7) further comprises the following steps: and machining a through hole by CNC.
5. The production process of the composite board mobile phone rear cover according to claim 1, characterized in that: the protective film in the step (6) is a PET protective film.
6. The production process of the composite board mobile phone rear cover according to claim 1, characterized in that: the pattern printing in the step (3) comprises the following steps: forming grooves on the upper surface of the composite board substrate, wherein the grooves form patterns; carrying out anodic oxidation treatment on the composite board base material to form an anodic oxide film layer on the outer surface of the composite board base material; and sequentially forming a coating pattern and an optical film layer on the upper surface of the anodic oxidation film layer, wherein the optical film layer covers the coating pattern.
7. The production process of the composite board mobile phone rear cover according to claim 6, characterized in that: the grooves are formed by a numerical control turn-milling method.
8. The production process of the composite board mobile phone rear cover according to claim 1, characterized in that: and (3) polishing the upper surface of the composite board substrate in the step (2) to obtain the gloss G value of the upper surface of the composite board substrate larger than 600.
9. The production process of the composite board mobile phone rear cover according to claim 1, characterized in that: and forming a coating layer on the upper surface of the anodic oxide film layer by adopting a vacuum evaporation or magnetron sputtering method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911380942.6A CN111031160A (en) | 2019-12-27 | 2019-12-27 | Production process of composite board mobile phone rear cover |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911380942.6A CN111031160A (en) | 2019-12-27 | 2019-12-27 | Production process of composite board mobile phone rear cover |
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| CN111031160A true CN111031160A (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911380942.6A Pending CN111031160A (en) | 2019-12-27 | 2019-12-27 | Production process of composite board mobile phone rear cover |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112959835A (en) * | 2021-02-02 | 2021-06-15 | 东莞正广精密科技有限公司 | Processing technology of mobile phone back shell |
| CN113102945A (en) * | 2021-03-29 | 2021-07-13 | 深圳市锦瑞新材料股份有限公司 | Large-arc-height forming processing technology for composite board of mobile phone shell |
| CN113206907A (en) * | 2021-05-20 | 2021-08-03 | Tcl通讯（宁波）有限公司 | Holographic colorful composite board and processing method thereof |
| CN113645339A (en) * | 2021-09-28 | 2021-11-12 | 广东阿特斯科技有限公司 | Production process of mobile phone backboard plated outside by curtain coating |
| CN113771513A (en) * | 2021-09-09 | 2021-12-10 | 广东阿特斯科技有限公司 | Production process of fluorescent mobile phone backboard |
| CN113829734A (en) * | 2021-09-27 | 2021-12-24 | 广东阿特斯科技有限公司 | Liquid crystal panel cell-phone backplate production line equipment |
| CN113858760A (en) * | 2021-09-27 | 2021-12-31 | 广东阿特斯科技有限公司 | Production process of liquid crystal panel mobile phone back plate |
| CN114379066A (en) * | 2020-10-22 | 2022-04-22 | 深圳市万普拉斯科技有限公司 | Rear cover machining method, rear cover and mobile terminal |
| CN114697419A (en) * | 2020-12-30 | 2022-07-01 | 伯恩高新科技（惠州）有限公司 | Mobile phone rear cover and manufacturing process |
| WO2022206642A1 (en) * | 2021-03-31 | 2022-10-06 | 华为技术有限公司 | Optical film component, rear cover, and electronic device |
-
2019
- 2019-12-27 CN CN201911380942.6A patent/CN111031160A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379066A (en) * | 2020-10-22 | 2022-04-22 | 深圳市万普拉斯科技有限公司 | Rear cover machining method, rear cover and mobile terminal |
| CN114697419A (en) * | 2020-12-30 | 2022-07-01 | 伯恩高新科技（惠州）有限公司 | Mobile phone rear cover and manufacturing process |
| CN112959835A (en) * | 2021-02-02 | 2021-06-15 | 东莞正广精密科技有限公司 | Processing technology of mobile phone back shell |
| CN113102945A (en) * | 2021-03-29 | 2021-07-13 | 深圳市锦瑞新材料股份有限公司 | Large-arc-height forming processing technology for composite board of mobile phone shell |
| WO2022206642A1 (en) * | 2021-03-31 | 2022-10-06 | 华为技术有限公司 | Optical film component, rear cover, and electronic device |
| CN113206907A (en) * | 2021-05-20 | 2021-08-03 | Tcl通讯（宁波）有限公司 | Holographic colorful composite board and processing method thereof |
| CN113771513A (en) * | 2021-09-09 | 2021-12-10 | 广东阿特斯科技有限公司 | Production process of fluorescent mobile phone backboard |
| CN113829734A (en) * | 2021-09-27 | 2021-12-24 | 广东阿特斯科技有限公司 | Liquid crystal panel cell-phone backplate production line equipment |
| CN113858760A (en) * | 2021-09-27 | 2021-12-31 | 广东阿特斯科技有限公司 | Production process of liquid crystal panel mobile phone back plate |
| CN113645339A (en) * | 2021-09-28 | 2021-11-12 | 广东阿特斯科技有限公司 | Production process of mobile phone backboard plated outside by curtain coating |
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Application publication date: 20200417 |