CN110625878A - Shell manufacturing method, shell and terminal - Google Patents
Shell manufacturing method, shell and terminal Download PDFInfo
- Publication number
- CN110625878A CN110625878A CN201910850663.5A CN201910850663A CN110625878A CN 110625878 A CN110625878 A CN 110625878A CN 201910850663 A CN201910850663 A CN 201910850663A CN 110625878 A CN110625878 A CN 110625878A
- Authority
- CN
- China
- Prior art keywords
- shell
- layer
- white material
- manufacturing
- housing
- 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 28
- 239000000463 material Substances 0.000 claims abstract description 34
- 238000005507 spraying Methods 0.000 claims abstract description 16
- 239000003973 paint Substances 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 239000004033 plastic Substances 0.000 claims abstract description 6
- 238000007747 plating Methods 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims abstract description 4
- 238000012216 screening Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 10
- 230000004313 glare Effects 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 abstract 2
- 229920000515 polycarbonate Polymers 0.000 abstract 1
- 230000035515 penetration Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 208000034189 Sclerosis Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
- B29C33/424—Moulding surfaces provided with means for marking or patterning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
- B29C2045/0079—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping applying a coating or covering
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Casings For Electric Apparatus (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a shell manufacturing method, which mainly comprises the following steps: s10, injecting molten plastic into the die to manufacture a shell blank; s20, coating the inner side of the shell blank; s30, spraying ground color on the inner side of the shell white material; s40, spraying color on the outer side of the shell white material; s50, silk-screening LOGO on the surface of the shell white material; s60, spraying UV paint on the outermost layer of the shell white material; s70 processing the outer shape of the housing. A shell can be used for implementing the shell manufacturing method, and the shell sequentially comprises a shell bottom layer, a plating layer, a PC (polycarbonate) layer, a colored ink layer, a LOGO layer and a UV hardening layer from bottom to top. A terminal comprises the shell. Therefore, the manufacturing method of the shell with good signal penetrability and high cost performance, the shell and the terminal are formed.
Description
Technical Field
The invention relates to the technical field of shell processing, in particular to a shell manufacturing method, a shell and a terminal.
Background
With the arrival of the 5G communication era, the rear cover material of the mobile phone terminal is changing, the 5G communication adopts a large-scale MIMO technology, a large number of antennas need to be added in the mobile phone, the metal can shield and interfere with signals, and the ceramic and glass shell is complex in manufacturing process and high in cost.
Therefore, a housing with good signal penetration and cost effectiveness is needed to solve the above problems.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the shell manufacturing method, the shell and the terminal are provided, so that the problems of improving the shell signal penetrability and the cost performance under the 5G communication condition are solved.
The invention provides a technical scheme for solving the technical problem, which comprises the following steps: a shell manufacturing method mainly comprises the following steps:
s10, injecting molten plastic into the die to manufacture a shell blank;
s20, coating the inner side of the shell blank;
s30, spraying ground color on the inner side of the shell white material;
s40, spraying color on the outer side of the shell white material;
s50, silk-screening LOGO on the surface of the shell white material;
s60, spraying UV paint on the outermost layer of the shell white material;
s70, processing the shell white material.
As an improvement of the scheme, before the rear cover white material is manufactured, dazzling grains are scraped on a mold core of the mold.
In step S30, the thickness of the inner base color paint of the shell white material is 0.012-0.018 mm.
As an improvement of the scheme, in step S70, a hole position and a required main body are milled on the shell blank by a CNC machine, and the precision error of the main body is +/-0.005 mm.
As a modification of the above, the method further includes step S80 of assembling the housing.
At least one of the technical schemes has the following technical effects: injecting molten plastic into the mold to prepare a shell white material; coating the inner side of the shell blank; coating a film on the inner side of the shell blank; spraying a ground color on the inner side of the shell white material; spraying color on the outer side of the shell white material; silk-printing LOGO on the surface of the shell white material; and UV paint is sprayed on the outermost layer of the white material of the shell, so that the shell manufacturing method with good model penetration and high cost performance is formed.
The invention further provides a shell which can be used for implementing any one of the shell manufacturing methods, wherein the shell comprises a shell bottom layer, a plating layer, a PC layer, a colored ink layer, a LOGO layer and a UV hardening layer from bottom to top.
As an improvement of the scheme, the PC layer on the shell is provided with textures.
At least one technical scheme of the shell has the following technical effects: through setting up casing bottom, cladding material, PC layer, coloured printing ink layer, LOGO layer, UV sclerosis layer, it is good to form a signal penetrability, the casing that the price/performance ratio is high.
The invention also provides a terminal which comprises the shell, so that the terminal with the shell is good in signal penetrability and high in cost performance.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
FIG. 1 is a schematic view of one embodiment of a mold core useful in the method of the present invention;
FIG. 2 is a flow chart of a method of making the housing of the present invention;
FIG. 3 is a sheet structure view of one embodiment of the housing of the present invention.
FIG. 4 is a front view of one embodiment of the housing of the present invention;
FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;
FIG. 6 is a front view of another embodiment of the housing of the present invention;
fig. 7 is a cross-sectional view at B-B in fig. 6.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. Furthermore, the descriptions of the upper, lower, left, right, etc. used in the present invention are only relative to the positional relationship of the components of the present invention with respect to each other in the drawings.
Fig. 1 is a schematic view of an embodiment of a mold core in the method for manufacturing the mold core, and referring to fig. 1, the mold core is integrally of a cubic structure, three-dimensional curved textures 11 are arranged on a working surface of the mold core 10, the three-dimensional curved textures 11 can be arc-shaped grooves which are uniformly distributed, and the cross sections of the arc-shaped grooves are triangular. In one embodiment, the arc-shaped slot is provided with a triangular cross section with an opening angle of 140 ° and a depth of 20 μm. The invention is not limited to the pattern of the texture, and can be adjusted according to the needs in different situations.
Fig. 2 is a flowchart of the method for manufacturing the housing according to the present invention, referring to fig. 2, the method for manufacturing the housing includes S10 injecting molten plastic into a mold to manufacture a housing blank, where the mold is a high-precision compression mold, and a preset glare grain is preferably cut on a mirror surface mold core of the mold by a high-precision numerical control machine, and the cut surface is smooth and complete. The injection molding rear cover produced by the high-precision compression mold has the advantages that the texture and the shell are integrally formed, the stress of the shell is small, and the stress deformation of the shell is slowed down. In one embodiment, the shell thickness is 0.8mm and the grain depth is less than 20 μm. The invention does not limit the proportional relation between the depth of the shell and the depth of the texture, and an operator can set the thickness proportion between the shell and the texture according to requirements in the actual production and manufacturing process to meet the actual use requirement.
S20, coating the inner side of the shell blank to increase the glossiness of the rear cover. In one embodiment, the thickness of the plated film is in a range of 0.006mm to 0.012 mm.
S30, spraying a ground color on the inner side of the shell white material, wherein the thickness of the colored paint of the ground color is 0.012-0.018 mm, and the colored paint on the outer side of the shell white material is used for reflecting the light refracted by the texture and the plating layer on the shell, so that the shell has color diversity change.
S40, spraying color on the outer side of the shell white material, wherein the thickness of the colored paint is 0.018-0.024 mm, and the color type of the color sprayed on the outer side of the shell white material is sprayed with appearance design color according to appearance design.
S50 is used for silk-screen printing of LOGO on the surface of the shell white material.
S60, spraying UV paint on the outermost layer of the shell white material, wherein after the UV paint is sprayed, on one hand, the shell is protected, and on the other hand, the hardness and smooth hand feeling of the rear cover are also improved.
From the above, at least one technical scheme of the shell manufacturing method of the invention has the following technical effects: injecting molten plastic into the mold to prepare a shell white material; coating the inner side of the shell blank; spraying a ground color on the inner side of the shell white material; spraying color on the outer side of the shell white material; silk-printing LOGO on the surface of the shell white material; and the UV paint is sprayed on the outermost layer of the white material of the shell, and compared with the traditional metal, ceramic and glass shells, the shell manufacturing method with good model penetration and high cost performance is formed.
Fig. 3 is a sheet structure diagram of an embodiment of the housing of the present invention, referring to fig. 3, the sheet structure of the housing 20 includes, from bottom to top, a housing bottom layer 21, a plating layer 22, a PC layer 23, a colored ink layer 24, a LOGO layer 25, and a UV hardened layer 26, which are tightly attached to each other, pressed and bonded, and the like, and finally, an integrated housing structure is formed, so that the housing 20 with good signal penetration and high cost performance is formed.
The surface of casing is the curved surface, and the casing includes first parcel portion and two second parcel portions, and two second parcel portions are connected respectively in the both ends of first parcel portion, and the camber of first parcel portion is less, is close to planar structure, and the camber of second parcel portion is great, is obvious crooked arc structure. The arc-shaped structure can form half wrapping or full wrapping on the edge of the mobile phone.
Fig. 4 is a front view of an embodiment of the casing of the present invention, and fig. 5 is a cross-sectional view taken along line a-a in fig. 4. referring to fig. 4 and 5, the casing 30 has two second wrapping portions with symmetrical shapes, the second wrapping portions are arc-shaped structures 31 with arc transition, and the arc-shaped structures 31 form half wrapping on the edge of the mobile phone.
Fig. 6 is a front view of another embodiment of the casing of the present invention, and fig. 7 is a cross-sectional view taken along line B-B of fig. 6. referring to fig. 6 and 7, the casing 40 has two second wrapping portions with symmetrical shapes, the second wrapping portions are fully wrapped arc structures 41, and the arc structures 41 form a full wrapping on the edge of the mobile phone.
The invention does not limit the specific shape and size of the shell, and can be designed and adjusted according to the requirements in different use scenes.
According to the invention, the shell with good signal penetrability and high cost performance is formed by arranging the shell bottom layer, the plating layer, the PC layer, the colored ink layer, the LOGO layer and the UV hardening layer.
The present invention also includes a terminal comprising any of the above housings, thereby forming a cost effective terminal having a housing with good signal penetration.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A shell manufacturing method is characterized by mainly comprising the following steps:
s10, injecting molten plastic into the die to manufacture a shell blank;
s20, coating the inner side of the shell blank;
s30, spraying ground color on the inner side of the shell white material;
s40, spraying color on the outer side of the shell white material;
s50, silk-screening LOGO on the surface of the shell white material;
s60, spraying UV paint on the outermost layer of the shell white material;
s70 processing the outer shape of the housing.
2. The method of claim 1, wherein the mold core is provided with a glare mark prior to forming the back cover blank.
3. The method for manufacturing the shell according to claim 2, wherein in step S30, the thickness of the color paint of the inner bottom color of the shell white material is 0.012-0.018 mm.
4. The method for manufacturing the shell according to claim 1, wherein in step S40, the thickness of the color paint sprayed on the outer side of the shell blank is 0.018-0.024 mm.
5. The method of claim 1, wherein in step S70, holes and desired bodies are milled on the shell blank by a CNC machine, and the precision of the bodies is ± 0.005 mm.
6. The method for manufacturing a housing according to claim 1, further comprising a step S80 of assembling the housing.
7. A shell, which is used for implementing the shell manufacturing method of any one of claims 1 to 6, wherein the shell sequentially comprises a shell bottom layer, a plating layer, a PC layer, a colored ink layer, a LOGO layer and a UV hardening layer from bottom to top.
8. The housing of claim 7, wherein the PC layer on the housing is textured.
9. The casing according to claim 7 or 8, characterized in that it comprises a first wrapper and two second wrappers, respectively connected to the ends of the first wrapper.
10. A terminal, characterized in that it comprises a housing according to any one of claims 7 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910850663.5A CN110625878A (en) | 2019-09-10 | 2019-09-10 | Shell manufacturing method, shell and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910850663.5A CN110625878A (en) | 2019-09-10 | 2019-09-10 | Shell manufacturing method, shell and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110625878A true CN110625878A (en) | 2019-12-31 |
Family
ID=68970984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910850663.5A Pending CN110625878A (en) | 2019-09-10 | 2019-09-10 | Shell manufacturing method, shell and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110625878A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393557A (en) * | 2016-09-29 | 2017-02-15 | 深圳天珑无线科技有限公司 | Manufacturing method for plastic shell part and plastic shell part obtained through method |
| CN108070104A (en) * | 2017-12-27 | 2018-05-25 | 广东以诺通讯有限公司 | The processing technology for the plastic casing for dodging grain effect is dazzled with solid |
| CN108347496A (en) * | 2017-01-24 | 2018-07-31 | 北京小米移动软件有限公司 | Shell and preparation method thereof |
| CN108494934A (en) * | 2018-06-26 | 2018-09-04 | 东莞万德电子制品有限公司 | A kind of 3D composite boards high-pressure molding shell and its manufacture craft |
| CN109413234A (en) * | 2018-10-31 | 2019-03-01 | 福建省石狮市通达电器有限公司 | A kind of spraying gradual change composite plate mobile phone dorsal shield |
| CN109874253A (en) * | 2019-03-26 | 2019-06-11 | Oppo广东移动通信有限公司 | Shell and preparation method thereof and electronic equipment |
| CN210958416U (en) * | 2019-09-10 | 2020-07-07 | 深圳市兴中精密制品有限公司 | Shell and terminal |
-
2019
- 2019-09-10 CN CN201910850663.5A patent/CN110625878A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393557A (en) * | 2016-09-29 | 2017-02-15 | 深圳天珑无线科技有限公司 | Manufacturing method for plastic shell part and plastic shell part obtained through method |
| CN108347496A (en) * | 2017-01-24 | 2018-07-31 | 北京小米移动软件有限公司 | Shell and preparation method thereof |
| CN108070104A (en) * | 2017-12-27 | 2018-05-25 | 广东以诺通讯有限公司 | The processing technology for the plastic casing for dodging grain effect is dazzled with solid |
| CN108494934A (en) * | 2018-06-26 | 2018-09-04 | 东莞万德电子制品有限公司 | A kind of 3D composite boards high-pressure molding shell and its manufacture craft |
| CN109413234A (en) * | 2018-10-31 | 2019-03-01 | 福建省石狮市通达电器有限公司 | A kind of spraying gradual change composite plate mobile phone dorsal shield |
| CN109874253A (en) * | 2019-03-26 | 2019-06-11 | Oppo广东移动通信有限公司 | Shell and preparation method thereof and electronic equipment |
| CN210958416U (en) * | 2019-09-10 | 2020-07-07 | 深圳市兴中精密制品有限公司 | Shell and terminal |
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| Date | Code | Title | Description |
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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 |