CN105457833B - A kind of dip-coating method of shell protective layer - Google Patents
A kind of dip-coating method of shell protective layer Download PDFInfo
- Publication number
- CN105457833B CN105457833B CN201610048848.0A CN201610048848A CN105457833B CN 105457833 B CN105457833 B CN 105457833B CN 201610048848 A CN201610048848 A CN 201610048848A CN 105457833 B CN105457833 B CN 105457833B
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- CN
- China
- Prior art keywords
- dip
- coating
- jig
- shell
- protective layer
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Classifications
-
- 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
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention provides a kind of dip-coating methods of shell protective layer, comprising: provides jig, the jig can fit in shell inner surface, have dip-coating hanging handle；The jig is put into enclosure interior, the shell is hung using dip-coating hanging handle, carries out dip-coating, obtain shell protective layer.The present invention forms protective layer in housing outer surface using the method for dip-coating, and the surface covering coated in product surface is distributed more uniformly, to solve the problems, such as the levelling of surface covering in spraying scheme；And it is not necessarily to be sprayed, avoids paint and mix with air, it is more environmentally friendly；Solve the problems, such as that the rate of transform of spraying raw material is not high enough simultaneously.And the application enclosure interior and then carries out dip-coating by the way that jig to be put into, and avoids lotion from entering enclosure interior in dip coating process and forms protective layer, will not influence the operation of later period printed antenna inside housings.The jig has dip-coating hanging handle simultaneously, without reserving side gate as hanging handle, so that shell is more aesthetically pleasing in surface of shell.
Description
Technical field
The present invention relates to material protection technical field more particularly to a kind of dip-coating methods of shell protective layer.
Background technique
Plastic casing surface, which needs to apply, loads onto a protective layer, in order to avoid shell is easy to scratch, while increasing reflecting feel.
The prior art is mainly to be sprayed by the way of spraying in surface of shell in the method for surface of shell coating protection layer
One layer of UV paint, is then solidified, to form protective layer.
However, the mode of spraying is that paint is allowed first to be atomized in air, molecule is formed, is adsorbed on shell, shell
The paint that different parts are injected into can be variant, and for the protective layer thickness after solidification there are non-uniform phenomenon, levelling is bad；Together
When, spraying is that paint is allowed to mix with air, and there are environmental pollution problems, is damaged to the respiratory system of operator.And it sprays
Greatly paint can not be adsorbed by shell when painting, and there are wastage of material, the rate of transform of raw material is lower.
And the mode of dip-coating, enclosure interior painting can be allowed to be covered with layer protecting film, then enclosure interior needs printed antenna just
It can not carry out, there are process limitations；Meanwhile lotion enters shell inner surface, if shell inner surface has buckle, is easy
Buckling root hydrops influences Product Assembly to form hardened layer after hardening；And when dip-coating product restocking, need corresponding
Hanging handle, for hanging shell product, then shell then needs to retain side gate as hanging handle, but some product designs requirement
Housing outer surface must just complete the excision and polishing of cast gate before dip-coating process, it is impossible to specially leave side for dip-coating process and pour
Mouthful, so that dipping process can not be used.Due to above various technology drawbacks, dipping process is never prepared in shell protective layer
It is applied in technique, it at present still can only be by the way of spraying.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is that providing a kind of dip-coating method of shell protective layer, coating
It is evenly distributed, and lotion will not enter shell inner surface.
The present invention provides a kind of dip-coating methods of shell protective layer, comprising:
Jig is provided, the jig can fit in shell inner surface, have dip-coating hanging handle；
The jig is put into enclosure interior, the shell is hung using dip-coating hanging handle, carries out dip-coating, obtains shell protection
Layer.
Preferably, the jig further includes the flexible material for being compound in jig side wall.
Preferably, the flexible material is rubber or silica gel.
Preferably, the flexible material with a thickness of 2~3mm.
Preferably, the jig is metal material.
Preferably, the dip-coating hanging handle and jig are integrally formed, or are pasted on jig surface.
Preferably, the dip-coating includes:
It cleans, cut water, Best-Effort request, prebake, ultra-violet curing.
Preferably, the solvent for cutting water is isopropanol.
Preferably, the diluent of the Best-Effort request is alcohol diluent.
Preferably, the enclosure interior is printed with antenna, and the jig at least covers the antenna feed point.
Compared with prior art, the present invention provides a kind of dip-coating methods of shell protective layer, comprising: provides jig, institute
Shell inner surface can be fitted in by stating jig, have dip-coating hanging handle；The jig is put into enclosure interior, it is outstanding using dip-coating hanging handle
The shell is hung, dip-coating is carried out, obtains shell protective layer.The present invention is formed in housing outer surface using the method for dip-coating and is protected
Layer, when dip-coating lifts, under the action of surface tension, the surface covering coated in product surface is distributed more equal lotion
It is even, to solve the problems, such as the levelling of surface covering in spraying scheme；And it without being sprayed, avoids paint and air is mixed
It closes, it is more environmentally friendly；Solve the problems, such as that the rate of transform of spraying raw material is not high enough simultaneously.And the application is by being put into shell for jig
Then internal portion carries out dip-coating, avoid lotion from entering enclosure interior in dip coating process and form protective layer, will not influence the later period
The operation of printed antenna inside housings.The jig has dip-coating hanging handle simultaneously, uses without reserving side gate in surface of shell
Make hanging handle, so that shell is more aesthetically pleasing.
Specific embodiment
The present invention provides a kind of dip-coating methods of shell protective layer, comprising: provides jig, the jig can fit in
Shell inner surface has dip-coating hanging handle；The jig is put into enclosure interior, the shell is hung using dip-coating hanging handle, carries out
Dip-coating obtains shell protective layer.
Shell of the present invention, preferably electronic product casing, more preferably handset shell.
Jig of the present invention preferably matches with the enclosure interior spatial form, and then can fit in shell
Inner surface；And it is with dip-coating hanging handle.
When immersion-coating operation, the jig is put into enclosure interior first and then carries out dip-coating again, since the jig can
It is bonded well with shell inner surface, therefore can be avoided lotion and enter enclosure interior formation protective layer in dip coating process,
It will not influence the operation of later period printed antenna inside housings.The jig has dip-coating hanging handle simultaneously, can use the leaching
It applies hanging handle and hangs the shell, without reserving side gate as hanging handle, so that shell is more aesthetically pleasing in surface of shell.
In the present invention, the jig is preferably metal material.
The dip-coating hanging handle is preferably integrally formed with jig, or is pasted on jig surface.
Currently preferred in order to preferably fit in shell inner surface, the jig further includes being compound in jig side wall
Flexible material.The flexible material is preferably rubber or silica gel.The thickness of the flexible material is preferably 2~3mm.
The flexible material for being compound in jig side wall can be bonded more closely with housing sidewall, and when shell is
It is described at this time to be compound in the soft of jig side wall since pressure or gravity are easy to produce deformation in dip coating process when flexible material
Property material can be avoided and generate gap between jig and housing sidewall, further avoid lotion immersion.
In some embodiments of the invention, the enclosure interior is printed with antenna, and the jig at least covers institute
State antenna feed point.When dip-coating, jig protection antenna feed point avoids lotion dip-coating.
The present invention specifically includes during carrying out dip-coating to shell:
It cleans, cut water, Best-Effort request, prebake, ultra-violet curing.
It is specific:
Restocking first, using dip-coating hanging handle, according to certain fixed shell of angle and arrangement mode.
Then it is cleaned, removes the dirty of surface of shell, dust, particle etc., be the important procedure before dip-coating.In this hair
In bright certain specific embodiments, the cleaning is that multiple-grooved is cleaned, and can be followed successively by the differences such as hot water, detergent, deionized water
Liquid, the present invention has no particular/special requirement to this, can be selected according to cleaning demand.
After cleaning, carries out IPA (isopropanol) and cut water, specifically, product is immersed in aqueous isopropanol, by slightly changing
Water residual after learning the preceding road cleaning of erosion removal, and improve adhesive force of the surface of shell in dip-coating.
The present invention carries out cutting water process using IPA, in injecting products, due to surface there are pore remaining pole
Fine ash dirt selects IPA to carry out chemical attack removal, and smaller to the surface damage of product, dip-coating rear surface is more flat and smooth.
Then it carries out lifting and strengthens step, i.e. dip-coating process.The present invention uses silicon class solvent as lotion, on built-in
The shell for stating jig is immersed in lotion, so that lotion is attached to housing outer surface.Then lifting water outlet.Due to liquid
Tension, lotion flow under the action of surface tension in surface of shell naturally, the surface covering distribution coated in product surface
It obtains more uniformly, to solve the problems, such as the levelling of surface covering in spraying process；It is dilute using alcohols also, in dip coating process
Agent, preferably butanediol, ethyl alcohol or ethylene glycol are released, the trace during levelling, drop of hanging down phenomenon are avoided.
Then the shell for being attached with lotion is subjected to prebake.Specifically, being added using flow-type baking oven to shell
Heat cure.
UV solidification is finally carried out, shell protective layer is obtained.
The present invention forms protective layer in housing outer surface using the method for dip-coating, and when dip-coating lifts, lotion is on surface
Under the action of power, the surface covering coated in product surface is distributed more uniformly, applies to solve surface in spraying scheme
The levelling problem of layer；And it is not necessarily to be sprayed, avoids paint and mix with air, it is more environmentally friendly；It is former to solve spraying simultaneously
The not high enough problem of the rate of transform of material.
In order to further illustrate the present invention, below with reference to embodiment to the dip-coating method of shell protective layer provided by the invention
It is described in detail.
Embodiment 1
Mobile phone shell is provided, and with the matched metal fixture of mobile phone shell interior space shape, the jig side wall is compounded with
The silica gel material of 2mm thickness.
Above-mentioned jig is put into enclosure interior, hangs the shell using dip-coating hanging handle.Then successively with water, detergent,
Deionized water is cleaned.Then it successively carries out IPA and cuts water, lifting is strengthened.The lifting is strengthened with organic silicon water-proofing coating
Lotion, ethylene glycol are diluent, soaking time 5min.After lifting water outlet, housing outer surface is attached with lotion, and dip-coating
Liquid coating is evenly distributed.
Then prebake, UV solidification are successively carried out to the shell, obtain shell protective layer.The protective layer is smooth flat
It is whole, without trace, drop of hanging down phenomenon.
The above description of the embodiment is only used to help understand the method for the present invention and its core ideas.It should be pointed out that pair
For those skilled in the art, without departing from the principle of the present invention, the present invention can also be carried out
Some improvements and modifications, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Claims (7)
1. a kind of dip-coating method of shell protective layer characterized by comprising
Jig is provided, the jig can fit in shell inner surface, have dip-coating hanging handle；
The jig is put into enclosure interior, the shell is hung using dip-coating hanging handle, carries out dip-coating, obtained in housing outer surface
Shell protective layer；The shell is flexible material shell；
The jig further includes the flexible material for being compound in jig side wall；
The flexible material is rubber or silica gel；
The flexible material with a thickness of 2~3mm.
2. dip-coating method according to claim 1, which is characterized in that the jig is metal material.
3. dip-coating method according to claim 1, which is characterized in that the dip-coating hanging handle and jig are integrally formed, or viscous
It is affixed on jig surface.
4. dip-coating method according to claim 1, which is characterized in that the dip-coating includes:
It cleans, cut water, Best-Effort request, prebake, ultra-violet curing.
5. dip-coating method according to claim 4, which is characterized in that the solvent for cutting water is isopropanol.
6. dip-coating method according to claim 4, which is characterized in that the diluent of the Best-Effort request is alcohols dilution
Agent.
7. dip-coating method according to claim 1, which is characterized in that the enclosure interior is printed with antenna, the jig
At least cover the 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 CN105457833A (en) | 2016-04-06 |
| CN105457833B true CN105457833B (en) | 2019-04-26 |
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| 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 |
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Families Citing this family (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 |
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| 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 |
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| JPH0543897Y2 (en) * | 1986-12-04 | 1993-11-05 | ||
| 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 |
| JP3465082B2 (en) * | 1993-03-31 | 2003-11-10 | 株式会社リコー | Electrophotographic photoreceptor manufacturing equipment |
| 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 |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN105457833A (en) | 2016-04-06 |
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