CN106929899A - The processing method of handset shell highlight surface mirror effect - Google Patents
The processing method of handset shell highlight surface mirror effect Download PDFInfo
- Publication number
- CN106929899A CN106929899A CN201710082917.4A CN201710082917A CN106929899A CN 106929899 A CN106929899 A CN 106929899A CN 201710082917 A CN201710082917 A CN 201710082917A CN 106929899 A CN106929899 A CN 106929899A
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- Prior art keywords
- handset shell
- processing method
- shell
- mobile phone
- handset
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Classifications
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/04—Electrophoretic coating characterised by the process with organic material
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/12—Electrophoretic coating characterised by the process characterised by the article coated
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/20—Pretreatment
Abstract
The present invention relates to a kind of processing method of handset shell highlight surface mirror effect, comprise the steps of successively：Mobile phone shell body surface face is polished；Sandblasting is carried out to mobile phone shell body surface face；Remove the oxide layer and impurity on handset shell surface；Electrophoresis colour is carried out to mobile phone shell body surface face in tiselius apparatus, coated film is formed and is overlying on the handset shell surface；Coated film essence is thrown, orange peel is removed, highlighted mirror effect handset shell is obtained.Compared with the existing technology, due to having used electrophoresis colour in processing method of the present invention, so as to accelerate the process velocity of whole mobile phone surface of shell highlight effect, improve operating efficiency；In the processing method, coated film materials'use rate is high, and process safety non-pollution, makes processing environment safer；The mobile phone highlight surface minute surface corrosion resistance that electrophoresis colour is formed is stronger and with fastness, the uniform advantage of coated film, makes handset shell more durable, extends the service life of handset shell.
Description
Technical field
The present invention relates to a kind of handset shell method of surface finish, specifically a kind of handset shell highlight surface minute surface
The processing method of effect.
Background technology
Handset shell protects interior of mobile phone element, extending cell phone to use as the external component of mobile phone in mobile phone use
Life-span, and the surface of handset shell influences mobile phone overall appearance, and handset shell surface attractive in appearance makes mobile phone moulded more
Fineness, therefore handset shell surface can be coated with different types of coating, protection handset shell is not damaged by, and brings vision to enjoy
Receive, the novel appearance of particularly highlighted mirror effect is more easy to obtain the favor of consumer, and the housing that different process is processed, and its is resistance to
Expenditure is also different, exquisite and durable coating increases the service life of handset shell and mobile phone.
The Surface Machining of current handset shell mainly uses anode oxidation process and spraying coating process, in anode oxidation process
The highlighted mirror effect of white color system is unable to reach, and in the method with various materials be generally high price article, reacting
It is seriously polluted in journey, there is also blast equivalent risk, it is unfavorable safely to health, at the same the processing method time-consuming, material profit
It is not high with rate, increased production cost.In addition, using the product surface effect on driving birds is not good of spraying coating process completion, orange peel phenomenon is serious,
Its hardness is relatively low, and performance deviation, yield is relatively low, it is impossible to realize producing in enormous quantities.
Therefore, high efficiency, the processing method of production capacity pollution-free, inexpensive, high how are taken, handset shell surface is reached
Highlighted mirror effect, is the problem for needing to solve at present.
The content of the invention
The present invention is in order to overcome the deficiencies in the prior art, there is provided a kind of processing of handset shell highlight surface mirror effect
Method, takes high efficiency, the novel process of production capacity pollution-free, inexpensive, high, handset shell surface is reached highlighted minute surface and imitates
Really.
To achieve these goals, embodiments of the present invention provide a kind of handset shell highlight surface mirror effect
Processing method, comprises the steps of successively：
S1, mobile phone shell body surface face is polished；
S2, sandblasting is carried out to mobile phone shell body surface face；
S3, the oxide layer and impurity of removing handset shell surface；
S4, electrophoresis colour is carried out to mobile phone shell body surface face in tiselius apparatus, form coated film and be overlying on the mobile phone shell body surface
Face；
S5, to coated film essence throw, remove orange peel, obtain highlighted mirror effect handset shell.
In terms of existing technologies, embodiments of the present invention are in the processing side of handset shell highlight surface mirror effect
Coated film is formed using electrophoresis colour be overlying on handset shell surface in method.There are following characteristics in the processing method of electrophoresis colour：(1)
The electrophoresis colour technological reaction time is quick, so as to accelerate the process velocity of whole mobile phone surface of shell highlight effect, improves
Operating efficiency；(2) due to using electrophoresis colour in this method, handset shell face coat film adhesive rate is big, and coating membrane material makes
It is high with rate, and process safety non-pollution, make processing environment safer；(3) the mobile phone highlight surface that electrophoresis colour is formed
Minute surface corrosion resistance is stronger, fastness, coated film are uniform, and can form the coated film of different colour systems, makes the mobile phone of highlighted minute surface
Housing color and luster is no longer dull, and handset shell is more durable, extends the service life of handset shell.
In addition, the processing method of the handset shell highlight surface mirror effect provided in embodiments of the present invention, institute
Step S4 is stated to include with step under son：The handset shell is placed in tiselius apparatus by branch；To the electrophoretic paint in tiselius apparatus
It is electrolysed, until the handset shell surface forms coated film and is overlying on the handset shell surface.In this step, by mobile phone
Housing is further arranged in electrophoretic paint after being fixed on support, is easy to fixation and placement of the handset shell in tiselius apparatus, works as hand
After the coated film of machine surface of shell is formed, it is easy to handset shell to take out.Specifically, it is above-mentioned that mobile phone shell is supported in tiselius apparatus
The support of body is conducting bracket.Conductive to tiselius apparatus the two poles of the earth during electrophoresis colour, the conducting bracket can allow handset shell to be led
Electricity, makes the ion in electrophoretic paint be deposited on handset shell surface, forms coated film and is overlying on handset shell surface.
In addition, the electrophoretic paint used in embodiment of the present invention is in neutrality, and by disperse phase and continuous phase composition.Specifically
, the disperse phase of the electrophoretic paint includes resin, pigment particle and coalescents；The continuous phase of the electrophoretic paint includes water；And
The weight/mass percentage composition of continuous phase is 80%~90%.Wherein, the mobile phone shell bodily form is made by the resin in electrophoretic paint, pigment particle
Into coloured coated film, and due to including coalescents in electrophoretic paint, make the coated film on handset shell surface more highlighted
It is smooth, reduce the generation of a large amount of orange peels.
Further, in embodiment of the present invention, the temperature of electrophoresis colour is 55 DEG C~65 DEG C in the step S4.The temperature
Degree scope is the optimum temperature of electrophoresis colour reaction, is conducive to being formed uniformly for handset shell face coat film, and be attached to hand
Machine surface of shell.
Further, the thickness of the coated film for being formed in the step S4 is 40 μm~90 μm.
In addition, the thickness that the step S5 floating coats film is thrown by essence is 15 μm~25 μm.Because electrophoresis colour is formed in hand
The coated film of machine surface of shell is thrown by essence and can remove handset shell surface orange peel with the presence of slight orange peel phenomenon, obtains highlighted
Smooth coated film.
Further, in embodiment of the present invention, when carrying out sandblasting to mobile phone shell body surface face in the step S2, mobile phone is made
Housing is located in closed space, and the handset shell passes through the confined space with default transfer rate.In confined air
Interior sandblasting, it is ensured that handset shell is in clean environment in sandblasting procedures, and can prevent fine sand from bleeding around, and protects
Demonstrate,prove the utilization rate of fine sand.Meanwhile, check whether the polishing on handset shell surface is up to standard by sandblasting step, increase mobile phone surface thick
Rugosity, improves the adhesive rate of electrophoresis colour floating coat film, accelerates reaction rate.
Further, transfer rate of the handset shell in the confined space and sandblasting speed into preset ratio.
Due to there is preset ratio, it is determined that the secret space amount of being grit blasted, thus control handset shell surface husky amount, make each hand
The roughness of machine surface of shell is close.
Also, the oxide layer and impurity on handset shell surface in embodiments of the present invention, are removed in the step S3
Method wash for washing, ultrasonic wave, alkali cleaning or pickling.Because electrophoresis colour technique is needed in the clean, environment without other impurities
In carry out, handset shell as the workpiece being put into tiselius apparatus, its surface dust that may be present, oil stain and oxide etc.,
So as to need to be washed by washing, ultrasonic wave, handset shell surface is cleaned in alkali cleaning or pickling, it is ensured that electrophoresis colour technique is normal, fast
Speed, safety are carried out.
Alternatively, in embodiments of the present invention, also comprised the following steps after the step S4：Removal handset shell
Surface blot and/or mobile phone shell body surface face is dried.After handset shell carries out electrophoresis colour formation coated film, mobile phone shell
There is electrophoretic paint in body surface face, so as to need the electrophoretic paint by cleaning removal handset shell surface.Meanwhile, can be by drying work
Skill, evaporates handset shell surface moisture, and makes the interior generation polymerisation of coated film on handset shell surface, strengthens paint film corrosion resistant
The performances such as erosion, hardness.
Finally, in embodiments of the present invention, in the step of being dried to the handset shell surface, comprising as follows
Sub-step：Environment to placing the handset shell is preheated, and preheating temperature is 75 DEG C~85 DEG C；To the mobile phone shell body surface
Face is toasted, and baking temperature is 140 DEG C~160 DEG C.By preheating temperature, make the moisture evaporation on handset shell surface, then it is right
The handset shell of drying is toasted, and under 140 DEG C~160 DEG C of baking temperature, the coated film on handset shell surface is made just
The performances such as interior generation polymerisation, the reinforcing corrosion-resistant, hardness of paint film.
Brief description of the drawings
Fig. 1 is the processing method flow chart of the handset shell highlight surface mirror effect of first embodiment of the invention；
Fig. 2 is the processing method flow chart of handset shell highlight surface mirror effect in third embodiment of the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to each reality of the invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each implementation method of the invention,
In order that reader more fully understands the application and proposes many ins and outs.But, even if without these ins and outs and base
Many variations and modification in following implementation method, it is also possible to realize the application technical scheme required for protection.
First embodiment of the invention is related to a kind of processing method of handset shell highlight surface mirror effect, such as Fig. 1
It is shown, comprise the steps of successively：
Step 110, mobile phone shell body surface face is polished；
Step 120, sandblasting is carried out to mobile phone shell body surface face；
Step 130, the oxide layer and impurity of removing handset shell surface；
Step 140, electrophoresis colour is carried out to mobile phone shell body surface face in tiselius apparatus, form coated film and be overlying on the mobile phone shell
Body surface face；
Step 150, to coated film essence throw, remove orange peel, obtain highlighted mirror effect handset shell.
From embodiment of above, embodiments of the present invention in terms of existing technologies, on handset shell surface
Coated film is formed using electrophoresis colour be overlying on handset shell surface in the processing method of highlighted mirror effect.The processing of electrophoresis colour
There are following characteristics in method：(1) the electrophoresis colour technological reaction time is quick, so as to accelerate the highlighted effect of whole mobile phone surface of shell
The process velocity of fruit, improves operating efficiency；(2) due to using electrophoresis colour in this method, handset shell face coat film is attached
Rate big, coated film materials'use rate is high, and process safety non-pollution, makes processing environment safer；(3) electrophoresis colour
The mobile phone highlight surface minute surface corrosion resistance of formation is stronger, fastness, coated film are uniform, and can form the coating of different colour systems
Film, makes that the handset shell color and luster of highlighted minute surface is no longer dull, and handset shell is more durable, extends the use longevity of handset shell
Life.
Specifically, in processing method of the invention, 110 steps are carried out first, i.e., mobile phone shell body surface face is thrown
Light.Mobile phone shell body surface can be removed to mobile phone shell body surface face rough polishing 20s using emery wheel or dry sanding paper by artificial in process
Face knife mark and oxide layer, make handset shell surfacing；120 steps are carried out again, and to the face sandblasting of mobile phone shell body surface, specific method is
Handset shell is placed into production line, is sent in closed blast room by production line, existed in blast room
Many multiple orientation for spray gun being located at blast room, when handset shell enters blast room, spray gun is opened and sprays gravel, gravel simultaneously
Can be pick sand, glass sand or iron sand, a diameter of 0.1mm~0.2mm of gravel, with the ejection of gravel, keeps mist in confined space
Shape environment, makes handset shell surface uniform fold gravel.Wherein identical to ensure handset shell surface sand-blasting amount, handset shell exists
Transfer rate and sandblasting speed into preset ratio in confined space, the transfer rate of handset shell can be 18~30m/min, spray
Sand speed can be 100~200m/s, thus control handset shell surface husky amount, make the roughness on each handset shell surface
It is close.The sandblasting in confined space, so that providing clean environment gives handset shell sandblasting, and prevents fine sand from bleeding around,
Ensure the utilization rate of fine sand.Meanwhile, check whether the polishing on handset shell surface is up to standard by sandblasting step, increase mobile phone surface
Roughness, improves the adhesive rate of electrophoresis colour floating coat film, accelerates reaction rate.
Wherein, during handset shell is placed in air for a long time in early stage treatment, there is dust, oil stain and oxide etc. in its surface
Impurity, to improve the operating efficiency of electrophoresis colour and the generation rate of coated film, need to ensure handset shell surface neat and tidy, so that
Need to carry out step 130 after step 120 to clean mobile phone shell body surface face, can be washed using washing, ultrasonic wave, alkali cleaning or pickling
Etc. method, it is ensured that step 140 electrophoresis colour technique is normal, quick, safety is carried out.
Further, included with step under son in step 140：
Step 140a：Handset shell is placed in tiselius apparatus by branch；
Step 140b:Electrophoretic paint in tiselius apparatus is electrolysed, until handset shell surface forms coated film and is overlying on institute
State handset shell surface.
Specifically, the electrophoretic paint in tiselius apparatus is in neutrality, and by disperse phase and continuous phase composition, the disperse phase of electrophoretic paint
Comprising resin, pigment particle and coalescents, the continuous phase of electrophoretic paint includes water.Support in step 140a is conducting bracket,
During electrophoresis colour, handset shell is fixed on conducting bracket the negative electrode for being positioned over tiselius apparatus, electric wire on conducting bracket
It is connected with power supply, turns on the power the stent conduction allowed in tiselius apparatus, while to the anodal closure of tiselius apparatus, electricity is formed in tiselius apparatus
Field environment.In this context, first there is cell reaction in negative electrode, generate hydrogen and OH-, it is high that this reaction causes cathode plane to form one
Alkaline boundary layer；Secondly the resinous principle ionization of electrophoretic paint, the micelle for forming positively charged adsorbs pigment particle to movable cathode,
Form the dynamic process of electrophoresis；Occurs electro-deposition phenomenon in tiselius apparatus again, micelle discharges on negative electrode and deposits and form water insoluble
Coated film be attached to handset shell surface；It is finally electric osmose, the water in coated film is vented back to body electrophoretic paint from micropore
In, coated film is closely attached to handset shell surface, and because coalescents are present, make the coated film on handset shell surface
It is more highlighted smooth, the generation of a large amount of orange peels is reduced, and the coated film on handset shell surface is more uniformly distributed.
Again specifically, in order to allow the thickness of handset shell face coat film to meet follow-up handset shell test, processing
With using coated film abrasion standard, the resin quality percentage composition of electrophoretic paint is 8~10%, the weight/mass percentage composition of pigment particle
It is 1%~2%, the weight/mass percentage composition of continuous phase is 80%~90%, and remaining is coalescents.And the optimal temperature of electrophoresis colour
It is 55 DEG C~65 DEG C to spend, and total coreaction duration is 20S, the coated film that thickness is 40 μm~90 μm is formed, after meeting handset shell
It is continuous to use.
Finally, in step 150, smart throwing is carried out to the coated film that mobile phone shell body surface face is formed, because electrophoresis colour is formed
Handset shell surface coated film with the presence of slight orange peel phenomenon, skimmed except handset shell surface orange peel by essence, obtain height
The coated film that light is slided.Further, since coated film is the film body that resin glue body is formed, it is general by using sponge during essence is thrown
Or the polishing wheel that other cottons are wrapped is polished to the coated film in mobile phone shell body surface face.According to realistic situation floating coat film institute
The orange peel thickness of formation, the thickness to the polishing of mobile phone shell body surface finishing coat film is 15 μm~25 μm.
Second embodiment of the present invention is related to a kind of processing method of handset shell highlight surface mirror effect, and second is real
Apply mode roughly the same with first embodiment, it is differred primarily in that：In step 140, to mobile phone shell body surface in tiselius apparatus
Face carries out electrophoresis colour, and handset shell is fixed on conducting bracket the anode for being positioned over tiselius apparatus, on conducting bracket electric wire with
Power supply is connected, and turns on the power the stent conduction allowed in tiselius apparatus, and DC electric field environment is formed in tiselius apparatus.In this context, band
The resin clip band granules of pigments of negative electrical charge is formed insoluble to anode handset shell swimming, negatively charged resin in anode discharge
In water but aqueous coated film is overlying on handset shell surface, afterwards due to the effect of electric field, containing for handset shell surface is deposited on
Water coated film moisture content oozes out and flows to electrophoretic paint body, ultimately forms not aqueous coated film and is tightly overlying on handset shell surface.
Third embodiment of the present invention is related to a kind of processing method of handset shell highlight surface mirror effect, and the 3rd is real
The mode of applying is that further improvement has been done on the basis of first embodiment, and it mainly improves and is：With reference to shown in Fig. 2, in step
Step 160 is also included after rapid 140：Remove handset shell surface blot and/or mobile phone shell body surface face is dried.In mobile phone
After housing carries out electrophoresis colour formation coated film, there is electrophoretic paint in handset shell surface, so as to need by cleaning removal mobile phone
The electrophoretic paint of surface of shell.Meanwhile, handset shell surface moisture can be evaporated, and make handset shell surface by stoving process
Coated film in there is polymerisation, the reinforcing performance such as the corrosion-resistant, hardness of paint film.3rd implementation method is equally also tried out in second
Implementation method.
Specifically, handset shell surface carry out drying be divided into preheating and baking two steps：First to placing the mobile phone
The environment of housing is preheated, and preheating temperature is 75 DEG C~85 DEG C, after presetting 10min, makes the moisture evaporation on handset shell surface,
Mobile phone shell body surface face is toasted again, baking temperature is 140 DEG C~160 DEG C, after baking 20min, make handset shell surface
There is polymerisation in coated film, so as to strengthen the performances such as the corrosion-resistant, hardness of paint film.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiment of the invention,
And in actual applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (13)
1. a kind of processing method of handset shell highlight surface mirror effect, it is characterised in that comprise the steps of successively：
S1, mobile phone shell body surface face is polished；
S2, sandblasting is carried out to mobile phone shell body surface face；
S3, the oxide layer and impurity of removing handset shell surface；
S4, electrophoresis colour is carried out to mobile phone shell body surface face in tiselius apparatus, form coated film and be overlying on the handset shell surface；
S5, to coated film essence throw, remove orange peel, obtain highlighted mirror effect handset shell.
2. the processing method of handset shell highlight surface mirror effect according to claim 1, it is characterised in that the step
Rapid S4 is included with step under son：
The handset shell is placed in tiselius apparatus by branch；
Electrophoretic paint in tiselius apparatus is electrolysed, until the handset shell surface forms coated film.
3. the processing method of handset shell highlight surface mirror effect according to claim 2, it is characterised in that the branch
Frame is conducting bracket.
4. the processing method of handset shell highlight surface mirror effect according to claim 2, it is characterised in that the electricity
Swimming paint is in neutrality, and by disperse phase and continuous phase composition.
5. the processing method of handset shell highlight surface mirror effect according to claim 4, it is characterised in that the electricity
The disperse phase painted of swimming includes resin, pigment particle and coalescents；The continuous phase of the electrophoretic paint includes water；Wherein, the company
The weight/mass percentage composition of continuous phase is 80%~90%.
6. the processing method of handset shell highlight surface mirror effect according to claim 1, it is characterised in that the step
The temperature of electrophoresis colour is 55 DEG C~65 DEG C in rapid S4.
7. the processing method of handset shell highlight surface mirror effect according to claim 1, it is characterised in that the step
The thickness of the coated film formed in rapid S4 is 40 μm~90 μm.
8. the processing method of handset shell highlight surface mirror effect according to claim 1, it is characterised in that the step
The thickness that rapid S5 floating coats film is thrown by essence is 15 μm~25 μm.
9. the processing method of handset shell highlight surface mirror effect according to claim 1, it is characterised in that the step
When carrying out sandblasting to mobile phone shell body surface face in rapid S2, the handset shell is located in closed space, and the handset shell with
Default transfer rate passes through the confined space.
10. the processing method of handset shell highlight surface mirror effect according to claim 9, it is characterised in that described
Transfer rate of the handset shell in the confined space and sandblasting speed into preset ratio.
The processing method of 11. handset shell highlight surface mirror effects according to claim 1, it is characterised in that described
Removed in step S3 the oxide layer on handset shell surface and the method for impurity wash for washing, ultrasonic wave, alkali cleaning or pickling.
The processing method of 12. handset shell highlight surface mirror effects according to claim 1, it is characterised in that described
Also comprised the following steps after step S4：
Remove handset shell surface blot and/or mobile phone shell body surface face is dried.
The processing method of 13. handset shell highlight surface mirror effects according to claim 12, it is characterised in that right
In the step of handset shell surface is dried, comprising following sub-step：
Environment to placing the handset shell is preheated, and preheating temperature is 75 DEG C~85 DEG C；
The handset shell surface is toasted, baking temperature is 140 DEG C~160 DEG C.
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| CN201710082917.4A CN106929899A (en) | 2017-02-16 | 2017-02-16 | The processing method of handset shell highlight surface mirror effect |
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| CN108356486A (en) * | 2018-02-07 | 2018-08-03 | 博罗县恩创五金有限公司 | A kind of SUS materials minute surface and Shamian Island processing method |
| CN108660495A (en) * | 2018-03-30 | 2018-10-16 | 江苏三锋汽车饰件有限公司 | A kind of aluminium alloy polychrome finish anticorrosive treatment process |
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Application publication date: 20170707 |