CN105430980B - A kind of metal shell preparation method and metal shell - Google Patents
A kind of metal shell preparation method and metal shell Download PDFInfo
- Publication number
- CN105430980B CN105430980B CN201510794353.8A CN201510794353A CN105430980B CN 105430980 B CN105430980 B CN 105430980B CN 201510794353 A CN201510794353 A CN 201510794353A CN 105430980 B CN105430980 B CN 105430980B
- Authority
- CN
- China
- Prior art keywords
- mental section
- appearance
- metal shell
- section diaphragm
- die cast
- 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.)
- Expired - Fee Related
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 59
- 239000002184 metal Substances 0.000 title claims abstract description 59
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 230000003340 mental effect Effects 0.000 claims abstract description 76
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000003647 oxidation Effects 0.000 claims abstract description 12
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 12
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 29
- 238000003466 welding Methods 0.000 claims description 17
- 238000005507 spraying Methods 0.000 claims description 11
- 238000009700 powder processing Methods 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 6
- 230000001680 brushing effect Effects 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000007761 roller coating Methods 0.000 claims description 3
- 238000003618 dip coating Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 238000005422 blasting Methods 0.000 claims 1
- 238000004512 die casting Methods 0.000 abstract description 12
- 238000007747 plating Methods 0.000 description 16
- 229910000838 Al alloy Inorganic materials 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000005488 sandblasting Methods 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/04—Metal casings
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The invention discloses a kind of metal shell preparation method and metal shells.This method includes：Mental section diaphragm is pasted in the appearance of die cast；Anodized is carried out to the mental section diaphragm.After the present invention forms shell by way of die casting, mental section diaphragm is pasted in the appearance of die cast and anodized is carried out to the mental section diaphragm, metal shell blacks after solving the problems, such as prior art Anodic Oxidation, improves the appearance power of metal shell.
Description
Technical field
The present embodiments relate to electronic device technology more particularly to a kind of metal shell preparation method and metal shells.
Background technology
To the processing of metal shell especially to the processing skill of aluminium alloy in the high electronic product machining industry of precision prescribed
Art is mainly to aluminium alloy extrusions all with computer digital control machine tool (Computer numerical control, CNC)
It is processed or aluminium alloy extrusions is processed jointly using punching press and CNC；But above two processing method is being processed
Seem unable to do what one wishes when the shell of labyrinth, CNC process time sharp increases cause cost increase, while process time extends
It causes the delivery cycle elongated, working efficiency can be caused low, therefore replace CNC frequently with die casting mode in the prior art, with drop
Low cost simultaneously reduces product processing time.
Die-casting technique is to melt aluminium alloy at high temperature, and molten aluminium alloy is then pressed into high temperature resistant by high pressure mode
Mold in, can disposably make the shell of labyrinth form in this way, and efficient.But due to material
The product surface treatment effect that material characteristic and the compactness of die casting cause die casting to come out is poor, surface can be caused to send out after anodic oxidation
Black partially dark problem.
Invention content
A kind of metal shell preparation method of present invention offer and metal shell, to realize that the good appearance of metal shell is imitated
Fruit promotes appearance power.
In a first aspect, an embodiment of the present invention provides a kind of metal shell preparation methods, including：In the appearance of die cast
Mental section diaphragm is pasted on face；Anodized is carried out to the mental section diaphragm.
Second aspect, the embodiment of the present invention additionally provide a kind of metal shell, including：
Die cast；
The mental section diaphragm being covered in the appearance of the die cast；
And the anode oxidation membrane on the mental section diaphragm.
The present invention is formed shell by way of die casting and pastes mental section film on the appearance face of die cast simultaneously
Piece simultaneously carries out anodized to the mental section diaphragm, and metal shell blacks after solving prior art Anodic Oxidation
The problem of, improve the appearance power of metal shell.
Description of the drawings
Fig. 1 is a kind of flow chart of metal shell preparation method in the embodiment of the present invention one；
Fig. 2 is a kind of flow chart of metal shell preparation method in the embodiment of the present invention two；
Fig. 3 is a kind of flow chart of metal shell preparation method in the embodiment of the present invention three.
Fig. 4 is a kind of schematic cross-section of metal shell in the embodiment of the present invention four；
Fig. 5 is a kind of schematic cross-section of metal shell in the embodiment of the present invention four.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limitation of the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 is a kind of flow chart for metal shell preparation method that the embodiment of the present invention one provides, and the present embodiment is applicable
In make metal shell the case where, this method specifically comprises the following steps：
Step 110 pastes mental section diaphragm in the appearance of die cast.
The present embodiment is to reduce manufacturing cost still die-casting process to be used to prepare die cast, after preparing die cast, in institute
It states and pastes mental section diaphragm in the appearance of die cast.The mental section diaphragm can be previously according to the die cast
Appearance size cuts molding, and guarantee matches after pasting with the appearance of the die cast.
Step 120 carries out anodized to the mental section diaphragm.
Anodized is carried out to the outer surface of mental section diaphragm, improves corrosion resistance, enhancing wearability and hardness,
Metal surface is protected, and makes it have good appearance, promotes the appearance power of metal shell.
The present invention forms die cast by way of die casting, then pastes mental section in the appearance of die cast
Diaphragm, and anodized is carried out to the mental section diaphragm, it can not only ensure the low cost of die-casting process, but also can keep away
Exempt from the prior art directly to carry out die cast on the problem of anodic oxidation is susceptible to nigrescence obfuscation, metal provided by the invention
Shell preparation method can make metal shell appearance have good appearance, promote the appearance power of metal shell.
Based on the above technical solution, further include before step 120：Sandblasting is carried out to the mental section diaphragm
Processing.
Sandblasting can make the surface of mental section diaphragm obtain certain cleannes and different roughness, pair after sandblasting
The anode oxidation membrane formed after mental section diaphragm progress anodized is not easy to fall off, the appearance meeting of metal shell
Good appearance is kept for a long time.
Preferably, the thickness of mental section diaphragm is 0.1-0.5mm.Mental section diaphragm both can be in above-mentioned thickness range
The cost of mental section diaphragm can be saved by forming good metal shell appearance again.
Preferably, the material of die cast is aluminium alloy.
When the material of die cast is aluminium alloy, when specific die casting can be die casting dedicated aluminium alloy by 700 DEG C plus
Heat fusing is injected by pressurization in vacuum mold, pressurize aftershaping.
Preferably, after pressurize vacuum mold after molding is opened, manipulator takes out the die cast being cooled and shaped
Cooling 10-20S.
Further, the die cast after cooling and shaping is connected with the mouth of a river and profile portion batch peak, by slightly rushing and fine blanking die
The tool removal mouth of a river and batch peak.
Optionally, the material of mental section diaphragm is aluminium or stainless steel.
Embodiment two
Fig. 2 is a kind of flow chart of metal shell preparation method provided by Embodiment 2 of the present invention, and the present embodiment is to implement
Step 110 is advanced optimized based on example one, preferably by step 110 advanced optimize for：In the outer of die cast
Tin plating processing is carried out successively on sight face and/or in mental section diaphragm side；By the appearance of die cast and mental section film
Piece carries out welding press.Referring to Fig. 2, this method specifically comprises the following steps：
Step 210 carries out tin plating processing successively in the appearance of die cast and/or in mental section diaphragm side.
Specifically, can tin plating processing only be carried out to the appearance of die cast；It can also be only to mental section diaphragm one
Side carries out tin plating processing；To the appearance of die cast and tin plating place can also also be carried out to the side of mental section diaphragm
Reason.
Preferably, further include in the appearance of die cast and/or in mental section diaphragm side before tin plating processing
Heavy zinc, Nickel Plating Treatment are carried out successively, and tin plating again after heavy zinc, Nickel Plating Treatment, the tin plated is not easy to fall off.
The appearance of die cast and mental section diaphragm are carried out welding press by step 220.
Wherein it is possible to by being put into pressing mold after the appearance of die cast and mental section diaphragm in advance fitting, pass through
High temperature and pressure mode, which melts tin, carries out welding press, preliminarily forms metal shell.Die casting in the metal shell formed in this way
The appearance and mental section diaphragm of shell have stronger binding force.
Step 230 carries out anodized to the mental section diaphragm.
Anodized is carried out to the mental section diaphragm of the metal shell preliminarily formed in step 220, makes metal-back
Body has good appearance, promotes the appearance power of metal shell.
The technical solution of the present embodiment by the appearance of die cast and/or mental section diaphragm side successively
Carry out tin plating processing；Then the appearance of die cast and mental section diaphragm are subjected to welding press；Finally in mental section
Diaphragm carries out anodized, forms metal shell, the appearance and gold of the die cast in the metal shell formed in this way
There is genotype material diaphragm very strong binding force to promote user experience.
On the basis of the above embodiments, in the appearance of die cast and/or mental section diaphragm side successively
After carrying out tin plating processing, further include：
Spraying scaling powder processing is carried out successively in the appearance of die cast and/or in mental section diaphragm side.
Wherein it is possible to be only to carrying out spraying scaling powder processing in the appearance of die cast；Can also be only to metal
Proximate matter diaphragm side carries out spraying scaling powder processing；Can also be that spraying scaling powder processing is carried out in the appearance to die cast
And spraying scaling powder processing is also carried out to mental section diaphragm side.
Carrying out in the appearance of die cast and/or successively spraying scaling powder processing in mental section diaphragm side can be with
The intensity for enhancing welding makes the appearance of the die cast of welding and mental section diaphragm have stronger binding force, scaling powder
It is preferred that using leadless environment-friendly type.
On the basis of said program, tin plating processing includes：It is any one in water plating, Vacuum Deposition, brushing, showering and roller coating
Kind.
On the basis of said program, spraying scaling powder processing includes：It is any one in dip-coating, spray, roller coating and brushing
Kind.
It preferably, can be to mental section diaphragm in a winding manner before carrying out tin plating processing to mental section diaphragm
Oil removing, alkali cleaning are carried out, dirty, the oxidation film of mental section membrane surface are removed divided by obtained clean table by the processes such as desmut
Then continuous coiled material can be cut slabbing, then to metal mold by face to mental section diaphragm according to the size calculated
Material diaphragm side carries out tin plating processing.
Embodiment three
Fig. 3 is a kind of flow chart for metal shell preparation method that the embodiment of the present invention three provides, and the present embodiment is to implement
Step 110 is advanced optimized based on example one, preferably by step 110 advanced optimize for：In the outer of die cast
Metallic tin piece is placed between sight face and mental section diaphragm, and carries out welding press.Referring to Fig. 3, the method specifically include as
Lower step：
Step 310 places metallic tin piece between the appearance and mental section diaphragm of die cast, and carries out welding pressure
It closes.
Wherein it is possible to which metallic tin is rolled into metallic tin piece, then metallic tin piece is placed on to the appearance of die cast
Welding press is carried out for melting metallic tin piece when welding between mental section diaphragm, preliminarily forms metal shell.
Step 320 carries out anodized to the mental section diaphragm.
Anodized is carried out to the mental section diaphragm of the metal shell preliminarily formed, metal shell is made to have very well
Appearance, promote the appearance power of metal shell.
The technical solution of the present embodiment between the appearance of die cast and mental section diaphragm by placing metallic tin
Piece, and carry out welding press.Then anodized is carried out to mental section diaphragm, forms metal shell, is formed in this way
Die cast and mental section diaphragm in metal shell not only have very strong binding force, while saving to die cast
Tin plating processing is carried out successively in appearance and/or in mental section diaphragm side, improves production efficiency.
On the basis of the above embodiments, metallic tin is placed between the appearance of die cast and mental section diaphragm
Piece, and before carrying out welding press, further include：
Spraying scaling powder processing is carried out to metallic tin piece both sides.
Wherein, the intensity of welding can be enhanced by carrying out spraying scaling powder processing to the metallic tin both sides, make the pressure of welding
Casting the appearance of shell and mental section diaphragm, there is stronger binding force, scaling powder preferably to use leadless environment-friendly type.
Example IV
Fig. 4 is a kind of schematic cross-section for metal shell that the embodiment of the present invention four provides, the metal shell of the present embodiment
Either method provided in this embodiment may be used to be made, referring to Fig. 4, the metal shell includes：Die cast 401；
The mental section diaphragm 402 being covered in the appearance of the die cast；And the sun on the mental section diaphragm
Pole oxidation film layer 403.
The technical solution of the present embodiment provides a kind of metal shell, which includes：Die cast；It is covered in institute
State the mental section diaphragm in the appearance of die cast；And the anode oxidation membrane on the mental section diaphragm,
Metal shell blacks after solving the problems, such as prior art Anodic Oxidation, improves the appearance power of metal shell.
On the basis of the above embodiments, the die cast preferably passes through welding press with the mental section diaphragm
Mode, which pastes, to link together, and the metal shell of this kind of structure is as shown in figure 5, include：Die cast 501 is covered in the pressure
Cast mental section diaphragm 503, the appearance positioned at the die cast and the mental section diaphragm in the appearance of shell
Between metal tin layers 502, and, be located at the mental section diaphragm on anode oxidation membrane 504.
The said goods can perform the method that any embodiment of the present invention is provided, and have the corresponding function module of execution method
And advantageous effect.
Note that above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiments described here, can carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out to the present invention by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
May include other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.
Claims (4)
1. a kind of metal shell preparation method, which is characterized in that including：
Mental section diaphragm is pasted in the appearance of die cast；
Anodized is carried out to the mental section diaphragm；
It is described to paste mental section diaphragm in the appearance of die cast, including：
Metallic tin piece is placed between the appearance and mental section diaphragm of die cast, and carries out welding press；
Metallic tin piece is placed between the appearance and mental section diaphragm of die cast, and before carrying out welding press, also wrap
It includes：
Spraying scaling powder processing is carried out to metallic tin piece both sides；
The spraying scaling powder is handled：Any one in dip-coating, spray, roller coating and brushing.
2. according to the method described in claim 1, it is characterized in that, to the mental section diaphragm carry out anodized it
Before, further include：
Blasting treatment is carried out to the mental section diaphragm.
3. according to any method in claim 1-2, which is characterized in that the thickness of the mental section diaphragm is
0.1mm-0.5mm。
4. a kind of metal shell, which is characterized in that use metal shell preparation method system as described in any one of claims 1-3
At, and include：
Die cast；
The mental section diaphragm being covered in the appearance of the die cast；
And the anode oxidation membrane on the mental section diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510794353.8A CN105430980B (en) | 2015-11-18 | 2015-11-18 | A kind of metal shell preparation method and metal shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510794353.8A CN105430980B (en) | 2015-11-18 | 2015-11-18 | A kind of metal shell preparation method and metal shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105430980A CN105430980A (en) | 2016-03-23 |
| CN105430980B true CN105430980B (en) | 2018-09-14 |
Family
ID=55508828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510794353.8A Expired - Fee Related CN105430980B (en) | 2015-11-18 | 2015-11-18 | A kind of metal shell preparation method and metal shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105430980B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078101B (en) * | 2016-06-29 | 2017-11-21 | 中国电子科技集团公司第八研究所 | A kind of production and processing technology of optical module housing |
| US11751349B2 (en) | 2019-05-28 | 2023-09-05 | Apple Inc. | Anodized part having a matte black appearance |
| CN112020248B (en) * | 2019-05-28 | 2021-12-10 | 苹果公司 | Anodized parts having a matte black appearance |
| US11614778B2 (en) | 2019-09-26 | 2023-03-28 | Apple Inc. | Anodized part having low reflectance of visible and near-infrared light |
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| CN104911587A (en) * | 2015-04-30 | 2015-09-16 | 苏州胜利精密制造科技股份有限公司 | Shell body of electronic product and processing method thereof |
| CN104988498A (en) * | 2015-06-23 | 2015-10-21 | 东莞劲胜精密组件股份有限公司 | Surface treatment method for die-cast aluminum alloy, die-cast aluminum alloy, shell and mobile terminal |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101862821A (en) * | 2009-04-15 | 2010-10-20 | 深圳市沐阳塑胶模具有限公司 | Manufacture process of stainless steel zinc covering alloy shell |
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2015
- 2015-11-18 CN CN201510794353.8A patent/CN105430980B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1119708A (en) * | 1995-06-16 | 1996-04-03 | 孙守连 | Method for making circle-arc plastic axle bush |
| CN102400093A (en) * | 2010-09-15 | 2012-04-04 | 鸿富锦精密工业（深圳）有限公司 | Shell and manufacture method thereof |
| CN102026514A (en) * | 2010-09-21 | 2011-04-20 | 朱启铭 | Manufacture procedure for composite metal sheet shell |
| CN103930600A (en) * | 2011-03-07 | 2014-07-16 | 苹果公司 | Anodized electroplated aluminum structures and methods for making the same |
| CN104911587A (en) * | 2015-04-30 | 2015-09-16 | 苏州胜利精密制造科技股份有限公司 | Shell body of electronic product and processing method thereof |
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| CN105430980A (en) | 2016-03-23 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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