CN105457833A - Dip-coating method for shell protective layer - Google Patents
Dip-coating method for shell protective layer Download PDFInfo
- Publication number
- CN105457833A CN105457833A CN201610048848.0A CN201610048848A CN105457833A CN 105457833 A CN105457833 A CN 105457833A CN 201610048848 A CN201610048848 A CN 201610048848A CN 105457833 A CN105457833 A CN 105457833A
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- CN
- China
- Prior art keywords
- dip
- coating
- shell
- tool
- coating method
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
- B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
- B05C3/09—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating separate articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
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- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention provides a dip-coating method for a shell protective layer. The method includes the steps that a jig is provided, and the jig can be attached to the inner surface of a shell and is provided with a dip-coating hanging handle; the jig is placed in the shell, the shell is hung through the dip-coating hanging handle for dip coating, and the shell protective layer is obtained. By the adoption of the dip-coating method, the protective layer is formed on the outer surface of the shell, a surface coating coated on the surface of a product is distributed more evenly, and accordingly the leveling problem of the surface coating in the spray coating scheme is solved. Besides, spray coating is not needed, mixing of paint and air is avoided, and spray coating is more environmentally friendly. Meanwhile, the problem that the transfer rate of spray coating raw materials is not high enough is solved. The jig is placed in the shell and then dip coating is conducted, dip-coating liquid is prevented from entering the shell in the dip-coating process to form the protective layer, and later operation of printing antennas in the shell cannot be affected. Meanwhile, the jig is provided with the dip-coating hanging handle, a lateral sprue does not need to be reserved on the surface of the shell to serve as the hanging handle, and accordingly the shell is more attractive.
Description
Technical field
The present invention relates to material protection technical field, particularly relate to a kind of dip-coating method of housing protective layer.
Background technology
Plastic casing surface needs application last layer protective layer, in order to avoid housing easily scratches, increases reflecting feel simultaneously.
Prior art mainly adopts the mode of spraying in the method for surface of shell coating protection layer, sprays one deck UV and paints, be then cured at surface of shell, thus forms protective layer.
But the mode of spraying allows paint first be atomized in atmosphere, and form molecule, be adsorbed onto on housing, the paint that housing different parts is injected into can be variant, and the protective layer thickness after solidification exists non-uniform phenomenon, and levelling is bad; Meanwhile, spraying allows paint mix with air, there is environmental pollution problem, damage the respiratory system of operator.And when spraying, paint cannot be adsorbed by housing greatly, and there is wastage of material, the rate of transform of raw material is lower.
And the mode of dip-coating, enclosure interior can be allowed to apply last layer diaphragm, and so enclosure interior needs printed antenna just cannot carry out, and there is process limitation; Meanwhile, lotion enters shell inner surface, if shell inner surface has buckle, easily at buckle root hydrops, thus forms hardened layer after hardening, affects Product Assembly; And dip-coating product added time, need corresponding hanging handle, for hanging housing product, so housing then needs to retain side gate as hanging handle, but some product design requires that housing outer surface just must complete excision and the polishing of cast gate before dip-coating operation, can not specially leave side gate for dip-coating operation, thus cannot dipping process be adopted.Due to above all technology drawbacks, dipping process is never applied in housing protective layer preparation technology, still can only adopt the mode of spraying at present.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is the dip-coating method providing a kind of housing protective layer, and coating is evenly distributed, and lotion can not enter shell inner surface.
The invention provides a kind of dip-coating method of housing protective layer, comprising:
There is provided tool, described tool can fit in shell inner surface, has dip-coating hanging handle;
Described tool is put into enclosure interior, utilizes dip-coating hanging handle to hang described housing, carry out dip-coating, obtain housing protective layer.
Preferably, described tool also comprises the flexible material being compound in tool sidewall.
Preferably, described flexible material is rubber or silica gel.
Preferably, the thickness of described flexible material is 2 ~ 3mm.
Preferably, described tool is metal material.
Preferably, described dip-coating hanging handle and tool one-body molded, or be pasted on tool surface.
Preferably, described dip-coating comprises:
Clean, cut water, Best-Effort request, prebake, ultra-violet curing.
Preferably, the solvent cutting water described in is isopropyl alcohol.
Preferably, the diluent of described Best-Effort request is alcohol diluent.
Preferably, described enclosure interior is printed with antenna, and described tool at least covers described antenna feed point.
Compared with prior art, the invention provides a kind of dip-coating method of housing protective layer, comprising: provide tool, described tool can fit in shell inner surface, has dip-coating hanging handle; Described tool is put into enclosure interior, utilizes dip-coating hanging handle to hang described housing, carry out dip-coating, obtain housing protective layer.The present invention adopts the method for dip-coating to form protective layer in housing outer surface, and during dip-coating lift, lotion is under capillary effect, and the face coat being coated in product surface distributes more even, thus solves the levelling problem of face coat in spraying scheme; And without the need to spraying, avoiding paint and mixing with air, more environmental protection; Solve the problem that the rate of transform of spraying raw material is not high enough simultaneously.And then the application carrying out dip-coating by tool being put into enclosure interior, avoiding lotion in dip coating process, enter enclosure interior and forming protective layer, the operation of later stage at enclosure interior printed antenna can not be affected.Described tool has dip-coating hanging handle simultaneously, is used as hanging handle, makes housing more attractive in appearance without the need to reserving side gate at surface of shell.
Detailed description of the invention
The invention provides a kind of dip-coating method of housing protective layer, comprising: provide tool, described tool can fit in shell inner surface, has dip-coating hanging handle; Described tool is put into enclosure interior, utilizes dip-coating hanging handle to hang described housing, carry out dip-coating, obtain housing protective layer.
Housing of the present invention, is preferably electronic product casing, is more preferably handset shell.
Tool of the present invention, preferably matches with described enclosure interior spatial form, and then can fit in shell inner surface; And it has dip-coating hanging handle.
During immersion-coating operation; first described tool put into enclosure interior and then carry out dip-coating; because described tool can be good at fitting with shell inner surface; therefore, it is possible to avoid lotion to enter enclosure interior in dip coating process form protective layer, the operation of later stage at enclosure interior printed antenna can not be affected.Described tool has dip-coating hanging handle simultaneously, and described dip-coating hanging handle can be utilized to hang described housing, is used as hanging handle, makes housing more attractive in appearance without the need to reserving side gate at surface of shell.
In the present invention, described tool is preferably metal material.
Described dip-coating hanging handle is preferably one-body molded with tool, or is pasted on tool surface.
In order to better fit in shell inner surface, the present invention is preferred, and described tool also comprises the flexible material being compound in tool sidewall.Described flexible material is preferably rubber or silica gel.The thickness of described flexible material is preferably 2 ~ 3mm.
The described flexible material being compound in tool sidewall can with housing sidewall fit more tight, and when housing is flexible material, because pressure or gravity easily produce deformation in dip coating process, the flexible material being compound in tool sidewall now can be avoided producing space between tool and housing sidewall, avoids lotion to immerse further.
In some embodiments of the invention, described enclosure interior is printed with antenna, and described tool at least covers described antenna feed point.During dip-coating, tool protection antenna feed point avoids lotion dip-coating.
The present invention is carrying out housing, in the process of dip-coating, specifically comprising:
Clean, cut water, Best-Effort request, prebake, ultra-violet curing.
Concrete:
First added, utilize dip-coating hanging handle, fix described housing according to certain angle and arrangement mode.
Then clean, removing dirty, dust, the particle etc. of surface of shell, is the important procedure before dip-coating.In some embodiments of the invention, described cleaning is multiple-grooved cleaning, and can be followed successively by the liquid that hot water, cleaning agent, deionized water etc. are different, the present invention there is no particular/special requirement to this, can select according to cleaning demand.
After cleaning, carry out IPA (isopropyl alcohol) and cut water, concrete, product is immersed in aqueous isopropanol, is remained by the water after the front road cleaning of slight chemical erosion removal, and improve the adhesive force of surface of shell when dip-coating.
The present invention adopts IPA to carry out cutting water treatment, in injecting products, because surface exists pore and residual superfine dust, selects IPA to carry out chemical attack removal, less to the surface damage of product, dip-coating rear surface more flat smooth.
Then lift strengthening step is carried out, i.e. dip-coating operation.The present invention adopts silicon kind solvent as lotion, is immersed in lotion, makes lotion be attached to housing outer surface by the housing of built-in above-mentioned tool.Then water outlet is lifted.Due to the tension force of liquid, lotion is under capillary effect, and at surface of shell natural flow, the face coat being coated in product surface distributes more even, thus solves the levelling problem of face coat in spraying coating process; Further, in dip coating process, adopt alcohol diluent, preferred butanediol, ethanol or ethylene glycol, avoid the trace in levelling process, hang down and drip phenomenon.
Then the housing being attached with lotion is carried out prebake.Concrete, adopt flow-type baking oven, housing is heating and curing.
Finally carry out UV solidification, obtain housing protective layer.
The present invention adopts the method for dip-coating to form protective layer in housing outer surface, and during dip-coating lift, lotion is under capillary effect, and the face coat being coated in product surface distributes more even, thus solves the levelling problem of face coat in spraying scheme; And without the need to spraying, avoiding paint and mixing with air, more environmental protection; Solve the problem that the rate of transform of spraying raw material is not high enough simultaneously.
In order to further illustrate the present invention, be described in detail below in conjunction with the dip-coating method of embodiment to housing protective layer provided by the invention.
Embodiment 1
Mobile phone shell is provided, and the metal fixture mated with mobile phone shell interior space shape, described tool sidewall is compounded with the thick silica gel material of 2mm.
Above-mentioned tool is put into enclosure interior, utilizes dip-coating hanging handle to hang described housing.Then clean by water, cleaning agent, deionized water successively.Then carry out IPA successively and cut water, lift strengthening.Described lift strengthening is with organic silicon water-proofing coating for lotion, and ethylene glycol is diluent, and soak time is 5min.After lift water outlet, housing outer surface is attached with lotion, and lotion coating is evenly distributed.
Then prebake, UV solidification are carried out successively to described housing, obtain housing protective layer.Described protective layer is smooth, does not have trace, hangs down and drip phenomenon.
The explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (10)
1. a dip-coating method for housing protective layer, is characterized in that, comprising:
There is provided tool, described tool can fit in shell inner surface, has dip-coating hanging handle;
Described tool is put into enclosure interior, utilizes dip-coating hanging handle to hang described housing, carry out dip-coating, obtain housing protective layer.
2. dip-coating method according to claim 1, is characterized in that, described tool also comprises the flexible material being compound in tool sidewall.
3. dip-coating method according to claim 2, is characterized in that, described flexible material is rubber or silica gel.
4. dip-coating method according to claim 3, is characterized in that, the thickness of described flexible material is 2 ~ 3mm.
5. dip-coating method according to claim 1, is characterized in that, described tool is metal material.
6. dip-coating method according to claim 1, is characterized in that, described dip-coating hanging handle and tool one-body molded, or be pasted on tool surface.
7. dip-coating method according to claim 1, is characterized in that, described dip-coating comprises:
Clean, cut water, Best-Effort request, prebake, ultra-violet curing.
8. dip-coating method according to claim 7, is characterized in that, described in cut water solvent be isopropyl alcohol.
9. dip-coating method according to claim 7, is characterized in that, the diluent of described Best-Effort request is alcohol diluent.
10. dip-coating method according to claim 1, is characterized in that, described enclosure interior is printed with antenna, and described tool at least covers described antenna feed point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610048848.0A CN105457833B (en) | 2016-01-25 | 2016-01-25 | A kind of dip-coating method of shell protective layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610048848.0A CN105457833B (en) | 2016-01-25 | 2016-01-25 | A kind of dip-coating method of shell protective layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105457833A true CN105457833A (en) | 2016-04-06 |
| CN105457833B CN105457833B (en) | 2019-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610048848.0A Active CN105457833B (en) | 2016-01-25 | 2016-01-25 | A kind of dip-coating method of shell protective layer |
Country Status (1)
| Country | Link |
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| CN (1) | CN105457833B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106807602A (en) * | 2016-12-08 | 2017-06-09 | 广东东方亮彩精密技术有限公司 | A kind of housing protective layer and its processing method |
| CN109502986A (en) * | 2019-01-30 | 2019-03-22 | 东莞市希贝实业有限公司 | A kind of surface sheath preparation method, system and the container of glass container |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6394569U (en) * | 1986-12-04 | 1988-06-18 | ||
| JPS63315167A (en) * | 1987-06-15 | 1988-12-22 | Mita Ind Co Ltd | Drum coating device |
| US5324049A (en) * | 1992-12-23 | 1994-06-28 | Xerox Corporation | Mandrel with flared, dish shaped disk and process for using mandrel |
| JPH06289631A (en) * | 1993-03-31 | 1994-10-18 | Ricoh Co Ltd | Apparatus for producing electrophotographic photoreceptor |
| JPH07136574A (en) * | 1993-11-12 | 1995-05-30 | Dainippon Ink & Chem Inc | Cylindrical body holding device |
| JPH07163934A (en) * | 1993-12-15 | 1995-06-27 | Asahi Eng Co Ltd | Holding device for cylindrical body |
| US6503571B1 (en) * | 2001-07-11 | 2003-01-07 | Xerox Corporation | Coating method and apparatus with substrate extension device |
| JP2003145001A (en) * | 2001-11-19 | 2003-05-20 | Konica Corp | Chuck for hollow base body |
| JP3471228B2 (en) * | 1998-07-23 | 2003-12-02 | 京セラミタ株式会社 | Chucking device |
| CN201664657U (en) * | 2010-03-05 | 2010-12-08 | 广东欧珀移动通信有限公司 | Adhesive dispensing jig for mobile phone |
| CN203635440U (en) * | 2013-10-28 | 2014-06-11 | 天津市共恩隆祥电子有限公司 | High-airtight mobile phone spraying fixture with cylindrical central sleeve |
| CN204074348U (en) * | 2014-07-11 | 2015-01-07 | 王勇 | Non-stick pan fixtures for painting and automation non-stick pan spraying platform |
| CN105127038A (en) * | 2015-08-11 | 2015-12-09 | 威海新北洋数码科技股份有限公司 | Filling element and treatment method for preventing insulation layer from being formed around grounding hole |
-
2016
- 2016-01-25 CN CN201610048848.0A patent/CN105457833B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6394569U (en) * | 1986-12-04 | 1988-06-18 | ||
| JPS63315167A (en) * | 1987-06-15 | 1988-12-22 | Mita Ind Co Ltd | Drum coating device |
| US5324049A (en) * | 1992-12-23 | 1994-06-28 | Xerox Corporation | Mandrel with flared, dish shaped disk and process for using mandrel |
| JPH06289631A (en) * | 1993-03-31 | 1994-10-18 | Ricoh Co Ltd | Apparatus for producing electrophotographic photoreceptor |
| JPH07136574A (en) * | 1993-11-12 | 1995-05-30 | Dainippon Ink & Chem Inc | Cylindrical body holding device |
| JPH07163934A (en) * | 1993-12-15 | 1995-06-27 | Asahi Eng Co Ltd | Holding device for cylindrical body |
| JP3471228B2 (en) * | 1998-07-23 | 2003-12-02 | 京セラミタ株式会社 | Chucking device |
| US6503571B1 (en) * | 2001-07-11 | 2003-01-07 | Xerox Corporation | Coating method and apparatus with substrate extension device |
| JP2003145001A (en) * | 2001-11-19 | 2003-05-20 | Konica Corp | Chuck for hollow base body |
| CN201664657U (en) * | 2010-03-05 | 2010-12-08 | 广东欧珀移动通信有限公司 | Adhesive dispensing jig for mobile phone |
| CN203635440U (en) * | 2013-10-28 | 2014-06-11 | 天津市共恩隆祥电子有限公司 | High-airtight mobile phone spraying fixture with cylindrical central sleeve |
| CN204074348U (en) * | 2014-07-11 | 2015-01-07 | 王勇 | Non-stick pan fixtures for painting and automation non-stick pan spraying platform |
| CN105127038A (en) * | 2015-08-11 | 2015-12-09 | 威海新北洋数码科技股份有限公司 | Filling element and treatment method for preventing insulation layer from being formed around grounding hole |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106807602A (en) * | 2016-12-08 | 2017-06-09 | 广东东方亮彩精密技术有限公司 | A kind of housing protective layer and its processing method |
| CN109502986A (en) * | 2019-01-30 | 2019-03-22 | 东莞市希贝实业有限公司 | A kind of surface sheath preparation method, system and the container of glass container |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105457833B (en) | 2019-04-26 |
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