CN108718355B - Transparent crystal shell and manufacturing process thereof - Google Patents
Transparent crystal shell and manufacturing process thereof Download PDFInfo
- Publication number
- CN108718355B CN108718355B CN201810863007.4A CN201810863007A CN108718355B CN 108718355 B CN108718355 B CN 108718355B CN 201810863007 A CN201810863007 A CN 201810863007A CN 108718355 B CN108718355 B CN 108718355B
- Authority
- CN
- China
- Prior art keywords
- silica gel
- shell
- injection molding
- transparent
- permeability
- 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.)
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Links
- 239000013078 crystal Substances 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000000741 silica gel Substances 0.000 claims abstract description 53
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 53
- 238000001746 injection moulding Methods 0.000 claims abstract description 29
- 238000005507 spraying Methods 0.000 claims abstract description 21
- 239000007767 bonding agent Substances 0.000 claims abstract description 19
- 239000011159 matrix material Substances 0.000 claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000012360 testing method Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000010147 laser engraving Methods 0.000 claims description 3
- 238000007639 printing Methods 0.000 claims description 3
- 229910052705 radium Inorganic materials 0.000 claims description 3
- HCWPIIXVSYCSAN-UHFFFAOYSA-N radium atom Chemical compound [Ra] HCWPIIXVSYCSAN-UHFFFAOYSA-N 0.000 claims description 3
- 238000007788 roughening Methods 0.000 claims description 3
- 239000011265 semifinished product Substances 0.000 claims description 3
- 230000000873 masking effect Effects 0.000 claims 2
- 238000005520 cutting process Methods 0.000 claims 1
- 238000002834 transmittance Methods 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 description 15
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a transparent crystal shell and a manufacturing process thereof, comprising the following steps: (1) obtaining a PC shell matrix through primary injection molding; (2) CNC processing is carried out on the PC shell matrix to obtain a secondary injection molding hole; (3) The non-transparent colored injection molding part is fixed at the secondary injection molding hole through injection molding, and the non-transparent colored injection molding part is connected with the PC shell base body into a whole; (4) coating a bonding agent on the outer side of the PC shell matrix; (5) The high-permeability silica gel layer is obtained by liquid molding of silica gel on one side of the PC shell matrix coated with the bonding agent, and the high-permeability silica gel layer is fixedly combined with the PC shell matrix through the bonding agent coating; (6) And spraying a high-permeability hand feeling ink layer on the outer surface of the high-permeability silica gel layer. Therefore, the light transmittance of the transparent crystal shell is improved, and meanwhile, the transparent crystal shell has good touch and use handfeel, and the transparent crystal shell has hardness and toughness and is not easy to scratch and damage; the manufacturing process has good stability and controllability, and is suitable for popularization and application.
Description
Technical Field
The invention relates to the technology in the field of electronic product shell manufacturing, in particular to a transparent crystal shell and a manufacturing process thereof.
Background
At present, a transparent shell is used for electronic products such as mobile phones, and is mainly used as a protective shell on the rear side of the mobile phone; in the prior art, the light transmittance of the transparent shell is not ideal, so that the appearance effect of the mobile phone cannot be well presented. Further, the conventional transparent case has disadvantages such as poor hand feeling and poor durability.
Therefore, in the invention, the applicant carefully researches a new technical scheme to obtain the transparent crystal shell, the light transmittance of the transparent crystal shell is greatly improved, and meanwhile, the transparent crystal shell is good in hand feeling and durable.
Disclosure of Invention
In view of the above, the present invention aims at overcoming the drawbacks of the prior art, and its main objective is to provide a transparent crystal shell and a manufacturing process thereof, which improve the light transmittance of the transparent crystal shell, and meanwhile, the transparent crystal shell has good touch and use feel, and the transparent crystal shell has hardness and toughness, and is not easy to be scratched and damaged; the manufacturing process has good stability and controllability, and is suitable for popularization and application.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the transparent crystal shell comprises a PC shell substrate, wherein a bonding agent coating, a high-permeability silica gel layer and a high-permeability hand feeling ink layer are sequentially arranged on the outer surface of the PC shell substrate from inside to outside, the high-permeability silica gel layer is fixedly formed on the outer side of the PC shell substrate, and the high-permeability silica gel layer and the PC shell substrate are fixedly combined through the bonding agent coating; the high-permeability hand feeling ink layer is sprayed on the outer surface of the high-permeability silica gel layer.
As a preferable scheme, the PC shell substrate is provided with a secondary injection hole, a non-transparent colored injection part is fixed at the secondary injection hole through injection molding, and the non-transparent colored injection part is connected with the PC shell substrate into a whole.
As a preferable scheme, the high-permeability silica gel layer is cut with a two-dimensional code.
As a preferable scheme, the high-permeability silica gel layer is provided with a concave position provided with a mark, the mark is printed at the concave position provided with the mark, the outside of the mark is sprayed with a transparent silica gel covering layer, and the mark is transmitted outwards from the transparent silica gel covering layer.
A manufacturing process of a transparent crystal shell comprises the following steps:
step (1), obtaining a PC shell matrix through primary injection molding;
CNC processing is carried out on the PC shell matrix to obtain a secondary injection molding hole;
step (3), fixing a non-transparent colored injection molding part at the secondary injection molding hole through injection molding, wherein the non-transparent colored injection molding part is connected with the PC shell matrix into a whole;
step (4), coating a bonding agent on the outer side of the PC shell matrix;
step (5), forming one side of the PC shell matrix coated with the bonding agent through a silica gel liquid state to obtain a high-permeability silica gel layer, wherein the high-permeability silica gel layer is fixedly combined with the PC shell matrix through a bonding agent coating;
and (6) spraying a high-permeability hand feeling ink layer on the outer surface of the high-permeability silica gel layer.
As a preferable scheme, after the step (5) and before the step (6), the two-dimensional code is cut on the high-permeability silica gel layer.
As a preferable scheme, after the step (5) and before the step (6), processing a mark setting concave position on the high-permeability silica gel layer, printing a mark at the mark setting concave position, and spraying a transparent silica gel covering layer outside the mark, wherein the mark is transmitted outwards from the transparent silica gel covering layer; and (3) in the step (6), covering the concave position of the mark by using a spraying shielding jig, and spraying high-transparency hand feeling ink on the position outside the spraying shielding jig.
As a preferable scheme, after the step (6), the folding and spraying jig and the laser engraving roughening along the periphery of the transparent crystal shell are sequentially carried out.
As a preferred scheme, after the step (1), performing a first IQC test, and then entering the material library for the first time; after the step (2), cleaning the workpiece and performing a second IQC test; after the step (3), sequentially performing a second IQC test of secondary injection molding and a second material library entering; subsequently, the surface of the workpiece is ultrasonically cleaned to provide a clean coated surface when the bonding agent is applied in step (4).
As a preferred solution, after spraying the transparent silica gel cover layer, the high-permeability silica gel layer is inspected and then put into a semi-finished product warehouse; and, after the radium carving coarsening procedure, performing a third IQC test.
Compared with the prior art, the transparent crystal shell has obvious advantages and beneficial effects, and particularly, the technical scheme mainly improves the light transmittance of the transparent crystal shell, and meanwhile, the transparent crystal shell has good touch and use handfeel, has hardness and toughness, and is not easy to scratch and damage; the manufacturing process has good stability and controllability, and is suitable for popularization and application.
In order to more clearly illustrate the structural features and efficacy of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic view of the structure of a transparent crystal housing according to an embodiment of the present invention;
FIG. 2 is a schematic view of another angle of the transparent crystal housing according to the embodiment of the present invention;
figure 3 is a schematic view of a partial cross-sectional structure of the transparent crystal housing of figure 1.
The attached drawings are used for identifying and describing:
10. PC shell substrate 20, binder coating
30. High-permeability silica gel layer 40 and high-permeability hand feeling ink layer
50. Non-transparent colored injection molded part 60, logo
70. A transparent silica gel cover layer 100, a transparent crystal shell.
Detailed Description
Referring to fig. 1 to 3, specific structures of embodiments of the present invention are shown.
The transparent crystal shell comprises a PC shell substrate 10, wherein a bonding agent coating 20, a high-permeability silica gel layer 30 and a high-permeability hand feeling ink layer 40 are sequentially arranged on the outer surface of the PC shell substrate 10 from inside to outside, the high-permeability silica gel layer 30 is molded and fixed on the outer side of the PC shell substrate 10, and the high-permeability silica gel layer 30 and the PC shell substrate 10 are combined and fixed through the bonding agent coating 20; the high-permeability ink layer 40 is sprayed on the outer surface of the high-permeability silica gel layer 30.
Further, in this embodiment, the PC housing base 10 has a secondary injection hole, and the non-transparent colored injection part 50 is fixed at the secondary injection hole through injection molding, and the non-transparent colored injection part 50 is integrally connected with the PC housing base 10. Two-dimensional codes are cut on the high-permeability silica gel layer 30. The high-permeability silica gel layer 30 is provided with a concave position provided with a mark, the mark 60 is printed at the concave position provided with the mark, the transparent silica gel covering layer 70 is sprayed outside the mark 60, and the mark 60 is transmitted outwards from the transparent silica gel covering layer 70.
Next, a process for manufacturing the transparent crystal shell is described, which comprises the following steps:
step (1), obtaining a PC shell matrix 10 through primary injection molding;
CNC processing is carried out on the PC shell substrate 10 to obtain a secondary injection molding hole;
step (3), fixing a non-transparent colored injection molding part 50 at the secondary injection molding hole through injection molding, wherein the non-transparent colored injection molding part 50 is connected with the PC shell base body 10 into a whole;
step (4), coating a bonding agent on the outer side of the PC shell substrate 10;
step (5), the high-permeability silica gel layer 30 is obtained by the liquid molding of silica gel on the side coated with the bonding agent on the PC shell substrate 10, and the high-permeability silica gel layer 30 and the PC shell substrate 10 are combined and fixed through the bonding agent coating 20;
and (6) spraying a high-permeability handfeel ink layer 40 on the outer surface of the high-permeability silica gel layer 30.
In this embodiment, after the step (5) and before the step (6), the two-dimensional code is cut on the high-permeability silica gel layer 30. After the step (5) and before the step (6), processing a mark setting concave position on the high-permeability silica gel layer 30, printing a mark 60 at the mark setting concave position, spraying a transparent silica gel covering layer 70 on the outside of the mark 60, and allowing the mark 60 to see outwards from the transparent silica gel covering layer 70; and (3) in the step (6), covering the concave position of the mark by using a spraying shielding jig, and spraying high-transparency hand feeling ink on the position outside the spraying shielding jig. And (3) after the step (6), sequentially carrying out folding and shielding spraying jig and laser engraving roughening along the periphery of the transparent crystal shell.
Typically, after said step (1), a first IQC check is performed, followed by a first entry into the material library; after the step (2), cleaning the workpiece and performing a second IQC test; after the step (3), sequentially performing a second IQC test of secondary injection molding and a second material library entering; subsequently, the surface of the workpiece is ultrasonically cleaned to provide a clean coated surface when the bonding agent is applied in step (4).
And, after spraying the transparent silica gel cover layer 70, inspecting the high-permeability silica gel layer 30, and then, entering a semi-finished product warehouse; and, after the radium carving coarsening procedure, performing a third IQC test.
In summary, the design key point of the invention is that the light transmittance of the transparent crystal shell is improved, and the transparent crystal shell has good touch and use hand feeling, and the transparent crystal shell has hardness and toughness and is not easy to scratch and damage; the manufacturing process has good stability and controllability, and is suitable for popularization and application.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present invention are still within the scope of the technical solutions of the present invention.
Claims (3)
1. A manufacturing process of a transparent crystal shell is characterized in that: the method comprises the following steps:
step (1), obtaining a PC shell matrix through primary injection molding;
CNC processing is carried out on the PC shell matrix to obtain a secondary injection molding hole;
step (3), fixing a non-transparent colored injection molding part at the secondary injection molding hole through injection molding, wherein the non-transparent colored injection molding part is connected with the PC shell matrix into a whole;
step (4), coating a bonding agent on the outer side of the PC shell matrix;
step (5), forming one side of the PC shell matrix coated with the bonding agent through a silica gel liquid state to obtain a high-permeability silica gel layer, wherein the high-permeability silica gel layer is fixedly combined with the PC shell matrix through a bonding agent coating;
step (6), spraying a high-permeability hand feeling ink layer on the outer surface of the high-permeability silica gel layer;
after the step (1), performing first IQC test, and then entering a material library for the first time; after the step (2), cleaning the workpiece and performing a second IQC test; after the step (3), sequentially performing a second IQC test of secondary injection molding and a second material library entering; then, ultrasonically cleaning the surface of the workpiece to provide a clean coated surface when the bonding agent is coated in the step (4); after the step (5) and before the step (6), processing a mark on the high-permeability silica gel layer to form a concave position, printing a mark on the concave position of the mark, and spraying a transparent silica gel covering layer outside the mark, wherein the mark is seen through from the transparent silica gel covering layer; in the step (6), the concave position of the mark is covered by using a spraying masking jig, and high-transparency hand feeling ink is sprayed on the position outside the spraying masking jig; after spraying the transparent silica gel covering layer, checking the high-permeability silica gel layer, and then, putting the high-permeability silica gel layer into a semi-finished product warehouse; and, after the radium carving coarsening procedure, performing a third IQC test.
2. The process for manufacturing the transparent crystal shell according to claim 1, wherein the process comprises the following steps: and (3) cutting the two-dimensional code on the high-permeability silica gel layer after the step (5) and before the step (6).
3. The process for manufacturing the transparent crystal shell according to claim 1, wherein the process comprises the following steps: and (3) after the step (6), sequentially carrying out folding and shielding spraying jig and laser engraving roughening along the periphery of the transparent crystal shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810863007.4A CN108718355B (en) | 2018-08-01 | 2018-08-01 | Transparent crystal shell and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810863007.4A CN108718355B (en) | 2018-08-01 | 2018-08-01 | Transparent crystal shell and manufacturing process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108718355A CN108718355A (en) | 2018-10-30 |
| CN108718355B true CN108718355B (en) | 2024-03-26 |
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ID=63914266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810863007.4A Active CN108718355B (en) | 2018-08-01 | 2018-08-01 | Transparent crystal shell and manufacturing process thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN108718355B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110300205A (en) * | 2019-05-24 | 2019-10-01 | 深圳市杰美特科技股份有限公司 | A kind of pure transparent liquid silica gel mobile phone protective cover |
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2018
- 2018-08-01 CN CN201810863007.4A patent/CN108718355B/en active Active
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|---|---|---|---|---|
| KR20060109621A (en) * | 2005-04-18 | 2006-10-23 | (주)썬텔 | A fabrication method in as one body of case and key-pad |
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| Publication number | Publication date |
|---|---|
| CN108718355A (en) | 2018-10-30 |
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