CN112477223A - Manufacturing method of electronic terminal rear cover and electronic terminal rear cover - Google Patents
Manufacturing method of electronic terminal rear cover and electronic terminal rear cover Download PDFInfo
- Publication number
- CN112477223A CN112477223A CN202011118498.3A CN202011118498A CN112477223A CN 112477223 A CN112477223 A CN 112477223A CN 202011118498 A CN202011118498 A CN 202011118498A CN 112477223 A CN112477223 A CN 112477223A
- Authority
- CN
- China
- Prior art keywords
- rear cover
- electronic terminal
- white material
- manufacturing
- sprayed
- Prior art date
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 67
- 239000003973 paint Substances 0.000 claims abstract description 48
- 238000009713 electroplating Methods 0.000 claims abstract description 29
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052709 silver Inorganic materials 0.000 claims abstract description 25
- 239000004332 silver Substances 0.000 claims abstract description 25
- 238000005507 spraying Methods 0.000 claims abstract description 20
- 238000001746 injection moulding Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 22
- 239000002519 antifouling agent Substances 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 abstract description 3
- 238000009966 trimming Methods 0.000 abstract 1
- 238000005282 brightening Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010329 laser etching Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/006—Producing casings, e.g. accumulator cases
-
- 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
-
- 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
Abstract
The invention discloses a manufacturing method of an electronic terminal rear cover and the electronic terminal rear cover, wherein the manufacturing method of the electronic terminal rear cover comprises the following steps: performing injection molding to obtain a rear cover blank; spraying semitransparent colored paint and imitation electroplating silver paste on the inner side of the rear cover white material; and processing hole sites on the rear cover white material according to the size requirement and finishing the rear cover white material. The electronic terminal rear cover is manufactured by adopting any one of the manufacturing methods of the electronic terminal rear cover. The manufacturing method comprises the steps of firstly using a mold to perform injection molding on a rear cover white material, then spraying semitransparent colored paint on the inner side of the rear cover white material, then spraying imitation electroplating silver paste on the inner side of the rear cover white material sprayed with the semitransparent colored paint, wherein the optical contrast of the rear cover is enhanced by the imitation electroplating silver paste, finally processing a required hole position on the rear cover white material, and trimming the rear cover white material to enable the rear cover to adapt to the actual size of an electronic terminal.
Description
Technical Field
The invention is used in the field of electronic equipment, and particularly relates to a manufacturing method of an electronic terminal rear cover and the electronic terminal rear cover.
Background
In recent years, with the development of the CMF process, more and more manufacturers select plastic materials, composite boards, IMT injection molding, PC injection molding imitation glass and the like to manufacture the rear cover of the electronic terminal, and the manufacturing processes of the materials all need to use an electroplating process, which has high cost, so that the cost for manufacturing the rear cover of the electronic terminal is higher.
Disclosure of Invention
The present invention is directed to at least one of the technical problems of the prior art, and therefore the present invention provides a method for manufacturing a rear cover of an electronic terminal and a rear cover of an electronic terminal, which have lower manufacturing costs.
In a first aspect, an embodiment of the present invention provides a method for manufacturing a rear cover of an electronic terminal, including the following steps:
injecting a rear cover blank material by using a mould;
spraying semitransparent colored paint on the inner side of the rear cover white material;
spraying imitation electroplating silver paste on the inner side of the rear cover white material sprayed with the semitransparent colored paint;
and processing hole sites on the rear cover white material according to the size requirement and finishing the rear cover white material.
The manufacturing method of the rear cover of the electronic terminal provided by the embodiment of the invention at least has the following beneficial effects: in the manufacturing process of the rear cover of the electronic terminal, the rear cover white material is firstly injected by a mold, then the semitransparent colored paint is sprayed on the inner side of the rear cover white material, then the imitated electroplating silver paste is sprayed on the inner side of the rear cover white material sprayed with the semitransparent colored paint, the optical brightness and the contrast of the rear cover are enhanced by the imitated electroplating silver paste, finally, a required hole position is processed on the rear cover white material, and the rear cover white material is trimmed, so that the rear cover can adapt to the actual size of the electronic terminal, and a high-cost electroplating method is replaced by a mode of spraying the imitated electroplating silver paste, thereby effectively reducing the manufacturing cost of the rear cover.
According to the manufacturing method of the electronic terminal rear cover of the other embodiments of the invention, before the rear cover blank is injection-molded by the mold, the specific lines are processed on the mold core.
According to the manufacturing method of the rear cover of the electronic terminal of other embodiments of the invention, before the inner side of the white material of the rear cover is sprayed with the semitransparent colored paint, the paint is sprayed with light paint.
According to the manufacturing method of the electronic terminal rear cover of the other embodiments of the invention, before the paint is sprayed on the inner side of the rear cover blank, the LOGO is printed on the inner side of the rear cover blank.
According to the manufacturing method of the rear cover of the electronic terminal in other embodiments of the invention, after the imitation electroplating silver paste is sprayed on the inner side of the white material of the rear cover, a layer of primer is sprayed.
According to the manufacturing method of the electronic terminal rear cover of the other embodiments of the invention, after the primer is sprayed, LOGO is printed on the outer side of the rear cover blank.
According to the manufacturing method of the rear cover of the electronic terminal in other embodiments of the invention, after the LOGO is printed on the outer side of the white material of the rear cover, the protective paint is sprayed on the outer side of the white material of the rear cover.
According to other embodiments of the method for manufacturing a rear cover of an electronic terminal, the protective paint is UV paint.
In a second aspect, an embodiment of the present invention provides an electronic terminal rear cover, which is manufactured by using the method for manufacturing an electronic terminal rear cover as described in any one of the above.
Drawings
FIG. 1 is a schematic structural view of a mold core according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a rear cover of an electronic terminal according to an embodiment of the present invention.
Detailed Description
The concept and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments to fully understand the objects, features and effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention.
In the description of the embodiments of the present invention, if an orientation description is referred to, for example, the orientations or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the orientations or positional relationships shown in the drawings, only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the embodiments of the present invention, if a feature is referred to as being "disposed", "fixed", "connected", or "mounted" to another feature, it may be directly disposed, fixed, or connected to the other feature or may be indirectly disposed, fixed, connected, or mounted to the other feature. In the description of the embodiments of the present invention, if "a number" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "greater than", "lower" or "inner" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.
The embodiment of the invention provides a method for manufacturing a rear cover of an electronic terminal, which comprises the following steps:
injecting a rear cover blank material by using a mould;
spraying semitransparent colored paint on the inner side of the rear cover white material;
spraying imitation electroplating silver paste on the inner side of the rear cover white material sprayed with the semitransparent colored paint;
and processing hole sites on the rear cover white material according to the size requirement and finishing the rear cover white material.
Specifically, in the manufacturing process of the rear cover of the electronic terminal, a rear cover blank is firstly injected by a mould, wherein the rear cover blank is transparent, then spraying semitransparent colored paint on the inner side of the rear cover white material, spraying imitation electroplating silver paste on the inner side of the rear cover white material sprayed with the semitransparent colored paint, wherein the imitation electroplating silver paste plays a role in protecting the semitransparent colored paint on one hand, plays a role in brightening the rear cover white material on the other hand, enhances the optical contrast and brightness of the rear cover, finally processes required hole sites on the rear cover white material according to the size requirement of the electronic terminal, and trims the rear cover white material, so that the rear cover can adapt to the actual size of the electronic terminal, the invention adopts a mode of spraying imitation electroplating silver paste to replace a high-cost electroplating method, therefore, the manufacturing cost of the rear cover of the electronic terminal is effectively reduced, the spraying process is completed on a spraying line, and compared with the technical scheme of electroplating, the problems of pollution and scratch caused by material transfer are reduced.
Referring to fig. 1, in some embodiments, before the injection molding of the mold, a specific texture 10 is formed on the mold core 1 of the mold, so that the mold-injected back cover blank has a texture, and in particular, the texture 10 on the mold core 1 is cut by a single crystal cutter. Of course, besides the pattern machining on the mold by cutting, the pattern 10 can be machined on the mold core 1 by laser etching, etc.
In some embodiments, before spraying the semitransparent color paint on the inner side of the rear cover white material, spraying the gloss paint to form a gloss oil layer on the inner side of the rear cover white material, wherein the sprayed semitransparent color paint is used for coloring the rear cover white material and is sprayed to a thickness of 0.01-0.03mm, and before spraying the semitransparent color paint, spraying a layer of gloss oil paint to prevent the occurrence of paint biting.
In some embodiments, after the inner side of the back cover white material is sprayed with the imitation electroplating silver paste, a layer of primer is sprayed, wherein the primer is opaque paint and is mainly used for protecting the semitransparent colored paint and the imitation electroplating silver paste, and meanwhile, the back cover can be prevented from being transparent.
In some embodiments, after the primer is sprayed on the inside of the rear cover white, LOGO is printed on the outside of the rear cover white.
In some embodiments, after LOGO is printed on the outer side of the rear cover white material, protective paint is sprayed on the outer side of the rear cover white material, wherein the protective paint plays a role in protecting the LOGO on one hand, and the hardness of the rear cover and the smooth hand feeling of the rear cover can be improved on the other hand.
In some embodiments, the protective paint is a UV paint.
Except that seal the LOGO outside the back lid of course, can also seal the LOGO inside the back lid, it is specific, before the inboard gloss paint that spouts of back lid white material, earlier the LOGO seal in the inside, then spout gloss paint for the LOGO seal is in the gloss oil layer, because back lid white material is transparent, so can see the characteristic of LOGO from the outside.
The following describes the method for manufacturing the rear cover of the electronic terminal in detail: firstly, lines 10 are carved on a mold core 1 by a single crystal cutter, molten plastic is injected into the mold, a back cover white material with textures is injected through the mold, then paint is sprayed on the inner side of the back cover white material to form a gloss oil layer on the inner side of the back cover white material, then semitransparent colored paint is sprayed on the inner side of the back cover white material sprayed with the gloss oil layer to color the back cover white material, after the semitransparent colored paint is sprayed, imitation electroplating silver paste is continuously sprayed on the semitransparent colored paint to form an imitation electroplating silver paste layer to play a role of brightening, after the imitation electroplating silver paste is sprayed, a layer of primer is sprayed on the imitation electroplating silver paste layer to play a role of protecting the semitransparent colored paint and the imitation electroplating silver paste layer, LOGO is continuously printed on the outer side of the back cover white material, then UV paint is sprayed on the outer side of the back cover white material to cover the LOGO so that the LOGO is covered by the UV paint to play a role of protecting the LOGO, and simultaneously the hardness and the smooth hand feeling of the back cover can, and finally, machining and finishing the rear cover by using a CNC according to the size requirement of the electronic terminal, and machining hole sites so that the rear cover can adapt to the size of the electronic terminal.
The processing method is to print the LOGO on the outer side of the rear cover, and the following describes the step of printing the LOGO on the inner side of the rear cover; firstly, lines 10 are carved on a mold core 1 by a single crystal cutter, molten plastics are injected into the mold, a back cover white material with the lines is injected through the mold, LOGO is printed on the inner side of the back cover white material, then gloss paint is sprayed on the inner side of the back cover white material, a gloss oil layer covering the LOGO is formed on the inner side of the back cover white material, then semitransparent color paint is sprayed on the inner side of the back cover white material sprayed with the gloss oil layer, after the semitransparent color paint is sprayed, electroplating silver paste imitating layer is sprayed on the semitransparent color paint to play a role of brightening, after the electroplating silver paste imitating layer is sprayed, a layer of primer is sprayed on the electroplating silver paste imitating layer to play a role of protecting the semitransparent color paint and the electroplating silver paste imitating layer, then UV paint is sprayed on the outer side of the back cover white material, the hardness of the back cover and the smooth hand feeling of the back cover can be improved by the UV paint, finally, CNC is processed on the back cover, and the size of the back cover is trimmed, so that the rear cover can be adapted to the size of the electronic terminal.
Referring to fig. 2, an embodiment of the present invention further provides an electronic terminal back cover, and the electronic terminal back cover 2 is manufactured by any one of the above methods for manufacturing an electronic terminal back cover.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
Claims (9)
1. A method for manufacturing a rear cover of an electronic terminal is characterized by comprising the following steps:
injecting a rear cover blank material by using a mould;
spraying semitransparent colored paint on the inner side of the rear cover white material;
spraying imitation electroplating silver paste on the inner side of the rear cover white material sprayed with the semitransparent colored paint;
and processing hole sites on the rear cover white material according to the size requirement and finishing the rear cover white material.
2. The method for manufacturing the rear cover of the electronic terminal according to claim 1, wherein: and processing specific lines on the mold core before the white material is covered after the mold is subjected to injection molding.
3. The method for manufacturing the rear cover of the electronic terminal according to claim 1, wherein: before the inner side of the rear cover white material is sprayed with the semitransparent colored paint, the paint is firstly sprayed.
4. A method for manufacturing a rear cover of an electronic terminal according to claim 3, characterized in that: before the paint is sprayed on the inner side of the rear cover blank, LOGO is printed on the inner side of the rear cover blank.
5. The method for manufacturing the rear cover of the electronic terminal according to claim 1, wherein: after the inner side of the back cover white material is sprayed with the imitation electroplating silver paste, a layer of primer is sprayed.
6. The method for manufacturing the rear cover of the electronic terminal according to claim 5, wherein: after the primer is sprayed, LOGO is printed on the outer side of the rear cover white material.
7. The method for manufacturing the rear cover of the electronic terminal according to claim 6, wherein: and after the LOGO is printed on the outer side of the rear cover white material, spraying protective paint on the outer side of the rear cover white material.
8. The method for manufacturing the rear cover of the electronic terminal according to claim 7, wherein: the protective paint is UV paint.
9. A lid behind electronic terminal which characterized in that: the method for manufacturing the rear cover of the electronic terminal is adopted to manufacture the rear cover of the electronic terminal according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011118498.3A CN112477223A (en) | 2020-10-19 | 2020-10-19 | Manufacturing method of electronic terminal rear cover and electronic terminal rear cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011118498.3A CN112477223A (en) | 2020-10-19 | 2020-10-19 | Manufacturing method of electronic terminal rear cover and electronic terminal rear cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112477223A true CN112477223A (en) | 2021-03-12 |
Family
ID=74926699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011118498.3A Pending CN112477223A (en) | 2020-10-19 | 2020-10-19 | Manufacturing method of electronic terminal rear cover and electronic terminal rear cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112477223A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393555A (en) * | 2016-09-22 | 2017-02-15 | 宇龙计算机通信科技(深圳)有限公司 | Method for processing mobile phone shell, mobile phone shell and mobile phone |
| CN106955832A (en) * | 2017-03-31 | 2017-07-18 | 维沃移动通信有限公司 | Shell processing method and mobile terminal case |
| 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 |
| CN110253380A (en) * | 2019-06-04 | 2019-09-20 | Oppo广东移动通信有限公司 | Processing method of casing, shell and electronic equipment |
-
2020
- 2020-10-19 CN CN202011118498.3A patent/CN112477223A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393555A (en) * | 2016-09-22 | 2017-02-15 | 宇龙计算机通信科技(深圳)有限公司 | Method for processing mobile phone shell, mobile phone shell and mobile phone |
| CN106955832A (en) * | 2017-03-31 | 2017-07-18 | 维沃移动通信有限公司 | Shell processing method and mobile terminal case |
| 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 |
| CN110253380A (en) * | 2019-06-04 | 2019-09-20 | Oppo广东移动通信有限公司 | Processing method of casing, shell and electronic equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210312 |