CN107190292A - Mobile phone shell and its surface treatment method - Google Patents

Mobile phone shell and its surface treatment method Download PDF

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Publication number
CN107190292A
CN107190292A CN201710358638.6A CN201710358638A CN107190292A CN 107190292 A CN107190292 A CN 107190292A CN 201710358638 A CN201710358638 A CN 201710358638A CN 107190292 A CN107190292 A CN 107190292A
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CN
China
Prior art keywords
mobile phone
phone shell
surface treatment
treatment method
solution
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710358638.6A
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Chinese (zh)
Inventor
武小有
黄秀平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Everwin Precision Technology Co Ltd
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Shenzhen Everwin Precision Technology Co Ltd
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Publication date
Application filed by Shenzhen Everwin Precision Technology Co Ltd filed Critical Shenzhen Everwin Precision Technology Co Ltd
Priority to CN201710358638.6A priority Critical patent/CN107190292A/en
Publication of CN107190292A publication Critical patent/CN107190292A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/34Pretreatment of metallic surfaces to be electroplated
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25FPROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00Electrolytic etching or polishing
    • C25F3/16Polishing
    • C25F3/22Polishing of heavy metals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0279Improving the user comfort or ergonomics
    • H04M1/0283Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Signal Processing (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

A kind of surface treatment method of mobile phone shell, including:Mobile phone shell after to being handled through electric throwing carries out electrolytic degreasing;Electrobrightening processing is carried out to the mobile phone shell using activating solution;Nickel Plating Treatment is carried out to the mobile phone shell;And dry the mobile phone shell.Polished using the good activated acids of light effect, and replace general activating process with this electrolytic polishing process, dimmed by the brightness polished product, then Direct Electroplating nickel again, coating brightness is substantially dimmed therewith.In addition, also providing the mobile phone shell obtained after a kind of use above method processing.

Description

Mobile phone shell and its surface treatment method
Technical field
The present invention relates to Cellphone Accessories technical field, and in particular to mobile phone shell and its surface treatment method.
Background technology
The surface treatment of the color matching of mobile phone typically has two kinds:Plastic housing of mobile phone is surface-treated and mobile phone metal shell surface Processing.From plain color to colourful, variation, coating, coated technology and the process of surface treatment of raw material are primarily due to Improve.The primary raw material of mobile phone metal shell has:Stainless steel, magnesium alloy, anodised aluminium and differential arc oxidation aluminium.Main table Face processing mode has:Sandblasting (forming the silver-colored face of dumb light pearl), polishing (formation minute surface), wire drawing (forming similar satin face effect), quarter Lose (carving various textured patterns), plating (one layer of other metal of covering), PVD, spraying (covering other nonmetallic coatings), radium Carving, dia-cutting, anodic oxidation and differential arc oxidation.
There is a kind of iron bronze mobile phone shell plating to need nickel plating at present, and require that coating brightness can not be too bright, in order to avoid influence Workshop section is detected afterwards.Usually, thrown before the plating of iron bronze mobile phone shell through overetch, electricity, after the processing of normal pre-treating technology During electronickelling, coating is brighter, it is impossible to reach workshop section's detection demand.How the coating brightness of iron bronze mobile phone shell nickel plating to be adjusted Secretly, it is the technical issues that need to address.
The content of the invention
Based on this, it is necessary to provide a kind of surface for the mobile phone shell that can dim the coating brightness of iron bronze mobile phone shell nickel plating Processing method.
A kind of surface treatment method of mobile phone shell, including:
Mobile phone shell after to being handled through electric throwing carries out electrolytic degreasing;
Electrobrightening processing is carried out to the mobile phone shell using activating solution;
Nickel Plating Treatment is carried out to the mobile phone shell;
The mobile phone shell is dried.
In one of the embodiments, the electrolytic degreasing is:In degreasant solution, the mobile phone shell is connect into negative electrode, Washed after being handled 2-4 minutes under the conditions of 50-70 DEG C of temperature.
In one of the embodiments, the electrolytic degreasing is:In degreasant solution, the mobile phone shell is connect into negative electrode, Washed after being handled 2-4 minutes under the conditions of 50-70 DEG C of temperature.
In one of the embodiments, the degreasant solution is:Sodium hydroxide solution, sodium silicate solution or sodium carbonate are molten Liquid, the concentration of the degreasant solution is:30g/L-80g/L.
In one of the embodiments, the electrobrightening is processed as:In the activating solution that concentration is 50g/L-100g/L, The mobile phone shell is connect into anode, normal temperature processing time 2-4 minutes under the conditions of voltage is 3-5V.
In one of the embodiments, the activating solution is formed using C-72 activation hydrochlorate configurations.
In one of the embodiments, the collocation method of the activating solution is:
Added water into the PP grooves cleaned up;
C-72 activation hydrochlorates are added into the PP grooves and are stirred, and
Continue to add water into the PP grooves, the concentration for making solution in the PP grooves is 50g/L-100g/L, obtains the work Change liquid.
In one of the embodiments, the Nickel Plating Treatment temperature is 55-65 DEG C.
In one of the embodiments, the drying is 100-130 DEG C of temperature, and drying time is 6-10 minutes, after drying No moisture is remained, lower to hang and sorted and packaged.
A kind of mobile phone shell obtained after the processing using above-mentioned surface treatment method.
In a kind of surface treatment method of above-mentioned mobile phone shell, polished using the good activated acids of light effect, and use this Glossing replaces general activating process, is dimmed by the brightness polished product, then Direct Electroplating nickel, coating brightness again It is substantially dimmed therewith.
Brief description of the drawings
Fig. 1 is the surface treatment method flow chart of the mobile phone shell of an embodiment.
Embodiment
With reference to embodiment and accompanying drawing, the surface treatment method for making mobile phone shell is further described in detail.
Referring to Fig. 1, in an embodiment, a kind of surface treatment method of mobile phone shell, including:
S110, to through electric throwing handle after mobile phone shell carry out electrolytic degreasing.
In one embodiment, electrolytic degreasing is specially:In degreasant solution, the mobile phone shell is connect into negative electrode, in temperature Washed after being handled 2-4 minutes under the conditions of 50-70 DEG C.
In one embodiment, degreasant solution is specially sodium hydroxide solution, sodium silicate solution or sodium carbonate liquor.Degreasing The concentration of solution is 30g/L-80g/L.
S120, using activating solution to mobile phone shell carry out electrobrightening processing.
In one embodiment, electrobrightening is processed as:In the activating solution that concentration is 50g/L-100g/L, by mobile phone shell Anode is connect, normal temperature processing time 2-4 minutes under the conditions of voltage is 3-5V.
In one embodiment, the activating solution is formed using C-72 activation hydrochlorate configurations.
In one embodiment, the collocation method of the activating solution is:
Added water into the PP grooves cleaned up;
C-72 activation hydrochlorates are added into the PP grooves and are stirred, and
Continue to add water into the PP grooves, the concentration for making solution in the PP grooves is 50g/L-100g/L, obtains the work Change liquid.
Specifically, the collocation method of activating solution is:
30L water is added into the PP grooves cleaned up;
2.5Kg C-72 activation hydrochlorates are added into the PP grooves and are stirred, and
Continue to add water into the PP grooves, it is 50L to make solution in the PP grooves.
S130, to mobile phone shell carry out Nickel Plating Treatment.
In one embodiment, Nickel Plating Treatment temperature is 55-65 DEG C.
In one embodiment, depending on the thickness demand of Nickel Plating Treatment basis of time product, Special hanging can be used during plating Tool and special coating bath, to ensure the film thickness uniformity of product, washing is clean after having plated.
S140, mobile phone shell dried.
In one embodiment, dry as 100-130 DEG C of temperature, drying time is 6-10 minutes, and no moisture is residual after drying Stay, finally lower to hang, sorted and packaged.
In addition, also providing the mobile phone shell obtained after a kind of processing using above-mentioned surface treatment method.
In the surface treatment method of above-mentioned mobile phone shell, using the good activating solution of light effect to polish, and polished with this Technique replaces general activating process, is dimmed by the brightness polished product, then Direct Electroplating nickel again, and coating brightness is obvious It is dimmed therewith.
It is specific embodiment part below.
Embodiment 1
(1) electrolytic degreasing:Mobile phone shell after being handled through electric throwing is placed in sodium hydroxide solution degreasant solution, by mobile phone Shell connects negative electrode, is washed after being handled 2 minutes under the conditions of temperature 50 C.
(2) activating solution is configured:30L water is added into the PP grooves cleaned up;Then 2.5Kg C-72 is added into PP grooves Activation hydrochlorate is simultaneously stirred, and is further continued for continuing to add water into PP grooves, and it is 50L to make solution in PP grooves.
(3) it is 4V conditions in voltage in concentration in 50g/L C-72 activation hydrochlorate activating solutions, mobile phone shell is connect into anode Lower 4 minutes normal temperature processing times.
(4) Nickel Plating Treatment is carried out to mobile phone shell under the conditions of temperature is 55 DEG C.
(5) by mobile phone shell under the conditions of 100 DEG C of temperature drying time 10 minutes, no moisture is remained after drying, finally lower to hang, Sorted and packaged.
Embodiment 2
(1) electrolytic degreasing:Mobile phone shell after being handled through electric throwing is placed in sodium silicate solution degreasant solution, by mobile phone shell Negative electrode is connect, is washed after being handled 4 minutes under the conditions of temperature 70 C.
(2) activating solution is configured:30L water is added into the PP grooves cleaned up;Then the C-72 that 5Kg is added into PP grooves lives Change hydrochlorate and stir, be further continued for continuing to add water into PP grooves, it is 50L to make solution in PP grooves.
(3) it is 3V conditions in voltage in concentration in 100g/L C-72 activation hydrochlorate activating solutions, mobile phone shell is connect into anode Lower 2 minutes normal temperature processing times.
(4) Nickel Plating Treatment is carried out to mobile phone shell under the conditions of temperature is 65 DEG C.
(5) by mobile phone shell under the conditions of 130 DEG C of temperature drying time 6 minutes, no moisture is remained after drying, finally lower to hang, Sorted and packaged.
Embodiment 3
(1) electrolytic degreasing:Mobile phone shell after being handled through electric throwing is placed in sodium carbonate liquor degreasant solution, by mobile phone shell Negative electrode is connect, is washed after being handled 4 minutes under the conditions of temperature 60 C.
(2) activating solution is configured:30L water is added into the PP grooves cleaned up;Then the C-72 that 3Kg is added into PP grooves lives Change hydrochlorate and stir, be further continued for continuing to add water into PP grooves, it is 50L to make solution in PP grooves.
(3) it is 5V conditions in voltage in concentration in 60g/L C-72 activation hydrochlorate activating solutions, mobile phone shell is connect into anode Lower 2 minutes normal temperature processing times.
(4) Nickel Plating Treatment is carried out to mobile phone shell under the conditions of temperature is 60 DEG C.
(5) by mobile phone shell under the conditions of 120 DEG C of temperature drying time 8 minutes, no moisture is remained after drying, finally lower to hang, Sorted and packaged.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (9)

1. a kind of surface treatment method of mobile phone shell, it is characterised in that including:
Mobile phone shell after to being handled through electric throwing carries out electrolytic degreasing;
Electrobrightening processing is carried out to the mobile phone shell using activating solution;
Nickel Plating Treatment is carried out to the mobile phone shell;
The mobile phone shell is dried.
2. the surface treatment method of mobile phone shell according to claim 1, it is characterised in that the electrolytic degreasing is:De- In lipoprotein solution, the mobile phone shell is connect into negative electrode, the washing after processing 2-4 minute under the conditions of 50-70 DEG C of the temperature.
3. the surface treatment method of mobile phone shell according to claim 2, it is characterised in that the degreasant solution is:Hydrogen-oxygen Change sodium solution, sodium silicate solution or sodium carbonate liquor, the concentration of the degreasant solution is:30g/L-80g/L.
4. the surface treatment method of mobile phone shell according to claim 1, it is characterised in that the electrobrightening is processed as: In concentration in 50g/L-100g/L activating solution, the mobile phone shell is connect into anode, normal temperature is handled under the conditions of voltage is 3-5V Time 2-4 minute.
5. the surface treatment method of mobile phone shell according to claim 4, it is characterised in that the activating solution is lived using C-72 Change hydrochlorate configuration to form.
6. the surface treatment method of mobile phone shell according to claim 5, it is characterised in that the collocation method of the activating solution For:
Added water into the PP grooves cleaned up;
C-72 activation hydrochlorates are added into the PP grooves and are stirred, and
Continue to add water into the PP grooves, the concentration for making solution in the PP grooves is 50g/L-100g/L, obtains the activating solution.
7. the surface treatment method of mobile phone shell according to claim 1, it is characterised in that the Nickel Plating Treatment temperature is 55-65℃。
8. the surface treatment method of mobile phone shell according to claim 1, it is characterised in that the drying is temperature 100- 130 DEG C, drying time is 6-10 minutes, and no moisture is remained after drying, lower to hang and sorted and packaged.
9. the mobile phone obtained after the surface treatment method processing described in a kind of use claim 1-8 any one claims Shell.
CN201710358638.6A 2017-05-19 2017-05-19 Mobile phone shell and its surface treatment method Pending CN107190292A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111434808A (en) * 2019-01-15 2020-07-21 广东长盈精密技术有限公司 Surface treatment method of mobile phone rear shell and mobile phone rear shell

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58167795A (en) * 1982-03-29 1983-10-04 Arakawa Kako Kk Method for plating spectacle frame with noble metal
CN101435163A (en) * 2007-11-14 2009-05-20 元能股份有限公司 Structure of high-cleanness stainless steel cable and processing method thereof
CN101748456A (en) * 2010-01-29 2010-06-23 广州海鸥卫浴用品股份有限公司 Surface treatment method of base material
CN104233420A (en) * 2013-06-14 2014-12-24 无锡市森信精密机械厂 Method for directly electroplating high-binding-force nickel layer on surface of aluminum or aluminum alloy
CN105063704A (en) * 2015-07-31 2015-11-18 广东欧珀移动通信有限公司 Die-casting aluminum alloy electroplating pretreatment process and electronic device
CN105239083A (en) * 2015-11-06 2016-01-13 和县隆盛精密机械有限公司 Vehicle hub surface treatment process
CN105483787A (en) * 2014-09-15 2016-04-13 无锡杨市表面处理科技有限公司 Method for electroplating cellphone housing
CN105839160A (en) * 2016-04-08 2016-08-10 浙江金泽金属表面处理有限公司 Electroplating technique for spectacle frame

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58167795A (en) * 1982-03-29 1983-10-04 Arakawa Kako Kk Method for plating spectacle frame with noble metal
CN101435163A (en) * 2007-11-14 2009-05-20 元能股份有限公司 Structure of high-cleanness stainless steel cable and processing method thereof
CN101748456A (en) * 2010-01-29 2010-06-23 广州海鸥卫浴用品股份有限公司 Surface treatment method of base material
CN104233420A (en) * 2013-06-14 2014-12-24 无锡市森信精密机械厂 Method for directly electroplating high-binding-force nickel layer on surface of aluminum or aluminum alloy
CN105483787A (en) * 2014-09-15 2016-04-13 无锡杨市表面处理科技有限公司 Method for electroplating cellphone housing
CN105063704A (en) * 2015-07-31 2015-11-18 广东欧珀移动通信有限公司 Die-casting aluminum alloy electroplating pretreatment process and electronic device
CN105239083A (en) * 2015-11-06 2016-01-13 和县隆盛精密机械有限公司 Vehicle hub surface treatment process
CN105839160A (en) * 2016-04-08 2016-08-10 浙江金泽金属表面处理有限公司 Electroplating technique for spectacle frame

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111434808A (en) * 2019-01-15 2020-07-21 广东长盈精密技术有限公司 Surface treatment method of mobile phone rear shell and mobile phone rear shell

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Application publication date: 20170922