CN106119854A - Electronic product lid or the surface treatment method of box - Google Patents

Electronic product lid or the surface treatment method of box Download PDF

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Publication number
CN106119854A
CN106119854A CN201610640312.8A CN201610640312A CN106119854A CN 106119854 A CN106119854 A CN 106119854A CN 201610640312 A CN201610640312 A CN 201610640312A CN 106119854 A CN106119854 A CN 106119854A
Authority
CN
China
Prior art keywords
box
electronic product
product lid
lid
wash water
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
CN201610640312.8A
Other languages
Chinese (zh)
Inventor
杨昌和
李扬德
李卫荣
杨洁丹
汤铁装
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.)
Dongguan City Meian Magnesium Industry Technology Co Ltd
Dongguan Eontec Co Ltd
Original Assignee
Dongguan City Meian Magnesium Industry Technology Co Ltd
Dongguan Eontec Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongguan City Meian Magnesium Industry Technology Co Ltd, Dongguan Eontec Co Ltd filed Critical Dongguan City Meian Magnesium Industry Technology Co Ltd
Priority to CN201610640312.8A priority Critical patent/CN106119854A/en
Publication of CN106119854A publication Critical patent/CN106119854A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F3/00Brightening metals by chemical means
    • C23F3/02Light metals
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/12Light metals
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/12Light metals
    • C23G1/125Light metals aluminium
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/14Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
    • C23G1/22Light metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

The present invention provides a kind of electronic product lid or the surface treatment method of box, it is suitable for the lid to aluminum, magnesium and alloy thereof or box carries out surface process, including pre-treatment step and to the post-processing step processed by the surface of the electronic product lid after handled by pre-treatment step or box.Pre-treatment step comprise successively chemical polishing step, for the first time wash water step, neutralization procedure, for the second time wash water step, acid deoiling groove step, except silicon step and third time wash water step;Post-processing step comprises light successively and processes step, upper extension step, chromate treating step, the 4th wash water step, blows water step and baking step, to prevent electronic product lid or box from depositing stain after treatment, because stain need to be done over again, and scrapping of electronic product lid or box is caused because doing over again, therefore, the electronic product lid of the present invention or the surface treatment method of box on the one hand can be time-consuming, on the other hand can reduce production cost, thus create good benefit for enterprise.

Description

Electronic product lid or the surface treatment method of box
Technical field
The present invention relates to a kind of processing method, particularly relate to a kind of electronic product lid or the surface treatment method of box.
Background technology
Along with economic development and the continuous progress of science and technology, strong for producing the flourish offer of manufacturing Strong technology and supporting substances, thus accelerate the developing steps manufacturing industry.
Wherein, for our electronic product used in everyday, such as mobile phone, computer, flat board, digital camera or driving note Record instrument etc., the material of its lid or box is generally aluminum, magnesium, aluminium alloy or magnesium alloy, so on the one hand can promote electronic product Class, on the other hand make electronic product have reliability and the aseismic reliability of more preferably connection, therefore, aluminum, magnesium, aluminium alloy Or magnesium alloy is the most common on the lid or box of electronic product.
It is known that the lid of aluminum, magnesium, aluminium alloy or magnesium alloy that electronic product is used or box, its surface Need to be through processing with the performance requirement meeting electronic product.But, existing application is to electronic product lid or the surface of box The method carrying out processing is: after electronic product lid or box first carry out three alkali cleanings process, then carry out bleaching, so After carry out three times and go out optical processing.But, electronic product lid or box after process have stain, when being produced by the electronics having stain Product lid or box do over again alkali cleaning time, on the one hand will result in electronic product lid or box scrapped, add the production time, separately On the one hand the loss of enterprise is added.
Therefore, it is badly in need of wanting a kind of time-consuming and reduces production cost to improve electronic product lid or the box of the performance of enterprises The surface treatment method of son overcomes above-mentioned defect.
Summary of the invention
It is an object of the invention to provide a kind of time-consuming and reduce production cost to improve the electronics product of the performance of enterprises Product lid or the surface treatment method of box.
For achieving the above object, the invention provides a kind of electronic product lid or the surface treatment method of box, be suitable for Lid or box to aluminum, magnesium and alloy thereof carry out surface process, comprise the steps: that (1) pre-treatment step and (2) are to by institute State pre-treatment step handled after electronic product lid or the surface of box carry out the post-processing step that processes.Described pre-treatment Step comprises chemical polishing step, for the first time wash water step, neutralization procedure, for the second time wash water step, acid deoiling groove step successively Suddenly, except silicon step and third time wash water step;Described post-processing step comprises light successively and processes step, upper extension step, chromaking Process step, the 4th wash water step, blow water step and baking step.
It is preferred that front performing step (1), the electronic product lid of the present invention or the surface treatment method of box also include Whether described electronic product lid or box test check the outward appearance of described electronic product lid or box to exist touch The step lacking, deform or rupturing.
It is preferred that the surface treatment method of the electronic product lid of the present invention or box also includes institute after the assay was approved Configure, in stating the screwed hole in electronic product lid or box, the screw thread protection step tightened up a screw.
It is preferred that the temperature and time in described chemical polishing step is respectively 100-110 DEG C and 4-6 second.
It is preferred that described first time wash water step, neutralization procedure, for the second time wash water step, for the third time wash water step and In 4th step wash water step, described electronic product lid or box are pulled up and down repeatedly and are carried out washing totally.
It is preferred that the time in described acid deoiling groove step is the 4-6 second.
It is preferred that described except the time in silicon step be the 5-8 second.
It is preferred that the temperature and time in described chromaking step is respectively 35-40 DEG C and 60-100 second.
It is preferred that blow in water step described, with hydraulic giant to the groove in described electronic product lid or box at Reason, to blow clean the medicinal liquid residuing in this groove.
It is preferred that the temperature in described baking step is 50-90 DEG C.
Compared with prior art, due to the pre-treatment in the electronic product lid of the present invention or the surface treatment method of box Step comprises chemical polishing step, for the first time wash water step, neutralization procedure, for the second time wash water step, acid deoiling groove step successively Suddenly, except silicon step and third time wash water step, post-processing step comprises light successively and processes step, upper extension step, chromate treating Step, the 4th wash water step, blow water step and baking step.Therefore electronic product lid or box are in the process of pre-treatment step In, first carry out chemical polishing to improve electronic product lid or the surface smoothness of box;Then, to the electronics after chemical polishing The surface of product lid or box carries out first time wash water to go to remove residue;And then, to the electronics by wash water for the first time Product lid or box are neutralized process to neutralize electronic product lid or the Acidity of Aikalinity of box;Then, then to neutralize after Electronic product lid or box carry out second time wash water with remove residue at electronic product lid or box for neutralizing acid The medicinal liquid of alkalescence;After electronic product lid or box are by second time wash water, the most again electronic product lid or box are carried out Acid deoiling groove processes to remove greasy dirt;After electronic product lid or box are removed greasy dirt, carry out the most again except silicon step, To remove the silicon dioxide in electronic product lid or box, finally, electronic product lid or the box of silicon dioxide will be removed Carry out third time wash water to process with the pre-treatment completing electronic product lid or box.Before electronic product lid or box complete After process, now electronic product lid or box are carried out light process, to improve electronic product lid or box further Surface smoothness;Then electronic product lid or box after processing light carry out upper extension process, chromate treating the most again, To increase electronic product lid or the surfacecti proteon ability of box;And then carry out the 4th wash water to process, blow the most again at water Reason, last drying and processing, thus the purpose that the surface realizing electronic product lid or box processes.Therefore, the electronics of the present invention The surface treatment method of product lid or box uses alkali cleaning secondary and goes out the electronic product lid that light secondary can make to be processed There is not stain in the surface of son or box, on the one hand saves the production time, and on the other hand the most existing saving about 40% can drop Low production cost, creates good economic benefit for enterprise.
Accompanying drawing explanation
Fig. 1 is the flow chart of the surface treatment method of the electronic product lid of the present invention or box.
Detailed description of the invention
In order to describe the technology contents of the present invention, structural feature in detail, below in conjunction with embodiment and coordinate accompanying drawing make into One step explanation.
Referring to Fig. 1, the electronic product lid of the present invention or the surface treatment method of box are suitable for aluminum, magnesium and alloy thereof Lid or box carry out surface process, to prevent the surface of electronic product lid or box from there is the appearance of stain.Wherein, originally The electronic product lid of invention or the surface treatment method of box comprise the steps:
S001, electronic product lid or box are tested to check whether the outward appearance of electronic product lid or box deposits Touching step scarce, that deform or rupture;If the outward appearance of electronic product lid or box exist touch scarce, deform or rupture, then should Electronic product lid or box are picked out, when defective process.
S002, configure, in the screwed hole in electronic product lid after the assay was approved or box, the screw thread protection tightened up a screw Step, to protect the screwed hole in electronic product lid or box.
S003, to performing the electronic product lid after step S002 or box carries out pre-treatment step, pre-treatment step depends on Secondary comprise chemical polishing step, for the first time wash water step, neutralization procedure, for the second time wash water step, acid deoiling groove step, except silicon Step and third time wash water step.Specifically, in chemical polishing step, set temperature and time is respectively 100-110 DEG C With the 4-6 second, preferably, the set time is 5 seconds;At first time wash water step, neutralization procedure, for the second time wash water and the 3rd In secondary wash water step, electronic product lid or box are pulled repeatedly up and down, and such as three times, four times, five times, six times or seven times are not Deng, thus carry out washing process, until cleaning;In acid deoiling groove step, the set time is the 4-6 second, preferentially It it is 5 seconds;Except, in silicon step, the set time is the 5-8 second, it is preferably 7 seconds.
S004, to the post processing processed by the surface of the electronic product lid after handled by pre-treatment step or box Step, post-processing step comprises light successively and processes step, upper extension step, chromate treating step, the 4th wash water step, blows water Step and baking step.Specifically, in chromaking step, set temperature and time is respectively 35-40 DEG C and 60-100 second; In the 4th wash water step, electronic product lid or box are pulled repeatedly up and down, such as three times, four times, five times, six times or Seven times, thus carry out washing process, until cleaning;In blowing water step, with hydraulic giant to electronic product lid or box Groove in son processes, to be blown clean by the medicinal liquid residuing in this groove;In baking step, set temperature is 50-90℃。
Therefore, the surface effect of electronic product lid obtained by step S0001 to S0004 or box is good and does not deposits At stain.
Compared with prior art, due to the pre-treatment in the electronic product lid of the present invention or the surface treatment method of box Step comprises chemical polishing step, for the first time wash water step, neutralization procedure, for the second time wash water step, acid deoiling groove step successively Suddenly, except silicon step and third time wash water step, post-processing step comprises light successively and processes step, upper extension step, chromate treating Step, the 4th wash water step, blow water step and baking step.Therefore electronic product lid or box are in the process of pre-treatment step In, first carry out chemical polishing to improve electronic product lid or the surface smoothness of box;Then, to the electronics after chemical polishing The surface of product lid or box carries out first time wash water to go to remove residue;And then, to the electronics by wash water for the first time Product lid or box are neutralized process to neutralize electronic product lid or the Acidity of Aikalinity of box;Then, then to neutralize after Electronic product lid or box carry out second time wash water with remove residue at electronic product lid or box for neutralizing acid The medicinal liquid of alkalescence;After electronic product lid or box are by second time wash water, the most again electronic product lid or box are carried out Acid deoiling groove processes to remove greasy dirt;After electronic product lid or box are removed greasy dirt, carry out the most again except silicon step, To remove the silicon dioxide in electronic product lid or box, finally, electronic product lid or the box of silicon dioxide will be removed Carry out third time wash water to process with the pre-treatment completing electronic product lid or box.Before electronic product lid or box complete After process, now electronic product lid or box are carried out light process, to improve electronic product lid or box further Surface smoothness;Then electronic product lid or box after processing light carry out upper extension process, chromate treating the most again, To increase electronic product lid or the surfacecti proteon ability of box;And then carry out the 4th wash water to process, blow the most again at water Reason, last drying and processing, thus the purpose that the surface realizing electronic product lid or box processes.Therefore, the electronics of the present invention The surface treatment method of product lid or box uses alkali cleaning secondary and goes out the electronic product lid that light secondary can make to be processed There is not stain in the surface of son or box, on the one hand saves the production time, and on the other hand the most existing saving about 40% can drop Low production cost, creates good economic benefit for enterprise.
The above disclosed preferred embodiments being only the present invention, it is impossible to limit the interest field of the present invention with this, Therefore the equivalent variations made according to the claims in the present invention, belongs to the scope that the present invention is contained.

Claims (10)

1. electronic product lid or a surface treatment method for box, is suitable for the lid to aluminum, magnesium and alloy thereof or box enters Row surface processes, it is characterised in that comprise the steps:
(1) pre-treatment step, described pre-treatment step comprise successively chemical polishing step, for the first time wash water step, neutralization procedure, For the second time wash water step, acid deoiling groove step, except silicon step and third time wash water step;And
(2) post processing to being processed by the surface of the electronic product lid after handled by described pre-treatment step or box walks Suddenly, described post-processing step comprises light successively and processes step, upper extension step, chromate treating step, the 4th wash water step, blows Water step and baking step.
Electronic product lid the most according to claim 1 or the surface treatment method of box, it is characterised in that performing step Suddenly (1) is front, also includes testing described electronic product lid or box checking described electronic product lid or box Whether outward appearance exists is touched step scarce, that deform or rupture.
Electronic product lid the most according to claim 2 or the surface treatment method of box, it is characterised in that it is right also to include The screw thread protection step that in screwed hole in described electronic product lid after the assay was approved or box, configuration is tightened up a screw.
Electronic product lid the most according to claim 1 or the surface treatment method of box, it is characterised in that described chemistry Temperature and time in polishing step is respectively 100-110 DEG C and 4-6 second.
Electronic product lid the most according to claim 1 or the surface treatment method of box, it is characterised in that described In wash water step, neutralization procedure, for the second time wash water step, for the third time wash water step and the 4th step wash water step, described electricity Sub-product lid or box are pulled up and down repeatedly and are carried out washing totally.
Electronic product lid the most according to claim 1 or the surface treatment method of box, it is characterised in that described acidity Time in degreasing tank step is the 4-6 second.
Electronic product lid the most according to claim 1 or the surface treatment method of box, it is characterised in that described except silicon Time in step is the 5-8 second.
Electronic product lid the most according to claim 1 or the surface treatment method of box, it is characterised in that described chromaking Temperature and time in step is respectively 35-40 DEG C and 60-100 second.
Electronic product lid the most according to claim 1 or the surface treatment method of box, it is characterised in that blow described In water step, with hydraulic giant, the groove in described electronic product lid or box is processed, so that this groove will be residued in Medicinal liquid blows clean.
Electronic product lid the most according to claim 1 or the surface treatment method of box, it is characterised in that described baking Temperature in dry step is 50-90 DEG C.
CN201610640312.8A 2016-08-04 2016-08-04 Electronic product lid or the surface treatment method of box Pending CN106119854A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610640312.8A CN106119854A (en) 2016-08-04 2016-08-04 Electronic product lid or the surface treatment method of box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610640312.8A CN106119854A (en) 2016-08-04 2016-08-04 Electronic product lid or the surface treatment method of box

Publications (1)

Publication Number Publication Date
CN106119854A true CN106119854A (en) 2016-11-16

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107513739A (en) * 2017-07-26 2017-12-26 张家港市亚亨金属制品有限公司 A kind of Nickel Pretreatment of magnesium alloy

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1552947A (en) * 2003-06-08 2004-12-08 杨景林 Magnesium alloy surface chemical cleaning process and cleaning liquid
CN1970840A (en) * 2005-11-23 2007-05-30 熊映明 Chemical sanding smokeless-polishing technology for aluminium alloy
CN102011165A (en) * 2010-12-31 2011-04-13 东莞市东兴铝材制造有限公司 Surface treatment process for plug-in elevating system for cars
CN102312263A (en) * 2011-08-22 2012-01-11 吴江市精工铝字制造厂 Porcelain oxidation method of aluminum piece
US8813336B1 (en) * 2006-09-26 2014-08-26 Kenneth R. Cornwall Sleeve coupling
CN104630792A (en) * 2015-02-13 2015-05-20 广东欧珀移动通信有限公司 Processing technology for shell exterior part with metallic luster

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1552947A (en) * 2003-06-08 2004-12-08 杨景林 Magnesium alloy surface chemical cleaning process and cleaning liquid
CN1970840A (en) * 2005-11-23 2007-05-30 熊映明 Chemical sanding smokeless-polishing technology for aluminium alloy
US8813336B1 (en) * 2006-09-26 2014-08-26 Kenneth R. Cornwall Sleeve coupling
CN102011165A (en) * 2010-12-31 2011-04-13 东莞市东兴铝材制造有限公司 Surface treatment process for plug-in elevating system for cars
CN102312263A (en) * 2011-08-22 2012-01-11 吴江市精工铝字制造厂 Porcelain oxidation method of aluminum piece
CN104630792A (en) * 2015-02-13 2015-05-20 广东欧珀移动通信有限公司 Processing technology for shell exterior part with metallic luster

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107513739A (en) * 2017-07-26 2017-12-26 张家港市亚亨金属制品有限公司 A kind of Nickel Pretreatment of magnesium alloy

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