CN107127530A - A kind of method for metal working, metal shell and mobile terminal - Google Patents
A kind of method for metal working, metal shell and mobile terminal Download PDFInfo
- Publication number
- CN107127530A CN107127530A CN201710447674.XA CN201710447674A CN107127530A CN 107127530 A CN107127530 A CN 107127530A CN 201710447674 A CN201710447674 A CN 201710447674A CN 107127530 A CN107127530 A CN 107127530A
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- Prior art keywords
- metal
- metal base
- micro
- film
- lines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The embodiment of the invention discloses a kind of method for metal working, metal shell and mobile terminal, the band glare raster effects for forming similar glass membrane in metal surface meet the appearance design of mobile terminal.Present invention method includes：Selection consistency is used as metal base higher than first threshold, hardness less than the metal alloy compositions of Second Threshold；The surface of metal base is cut using the cutter of Digit Control Machine Tool, forming surface has the metal base of micro- lines；Once oxidation processing is carried out to the metal base after cutting, obtaining surface has the metal base of oxide-film, and the thickness of oxide-film is 5 microns to 10 microns.
Description
Technical field
The present invention relates to technical field of mobile terminals, more particularly to a kind of method for metal working, metal shell and movement
Terminal.
Background technology
With the popularization of mobile terminal, people in addition to the requirement for having aspect of performance, also value shifting very much to mobile terminal
The outward appearance of dynamic terminal.
At present, for the mobile terminal with metal-back, in order to embody the texture of metal material, while metal surface can be made
Preferably metallic luster is obtained, the common process for treating surface scheme of its metal-back has following several：1st, metal surface sandblasting oxygen
Change；2nd, metal surface is sprayed；3rd, special oxidation nanometer polishing.However, there is corresponding technological deficiency in above-mentioned several processing schemes：
In scheme 1, sandblasting is aoxidized as a kind of regular oxidation scheme, and the gloss brightness of metal surface can not accomplish highlighted penetrating,
Glare grating can not be formed；In scheme 2, metal surface can form the ceramic luster effect of class after repeatedly spraying polishing, but
Also glare grating can not be formed；In scheme 3, highlighted mirror effect can be formed, but high processing costs yield is low, still can not shape
Into glare grating.
It follows that above-mentioned several technical schemes can not be while good machining accuracy be ensured so that mobile terminal
Metal surface form existing highlighted crystalistic sense and have the glare effect of glare grating again, meet gold of the Vehicles Collected from Market to mobile terminal
Belong to the texture requirement of shell.
The content of the invention
The embodiments of the invention provide a kind of method for metal working, metal shell and mobile terminal, in metal watch
Face forms the band glare raster effects of similar glass membrane, meets the appearance design of mobile terminal.
First aspect present invention provides a kind of method for metal working, it is characterised in that including：
Determine that consistency is less than the metal alloy compositions of Second Threshold as metal base higher than first threshold, hardness；
The surface of metal base is cut using the cutter of Digit Control Machine Tool, forming surface has the Metal Substrate of micro- lines
Material；
Once oxidation processing is carried out to the metal base after cutting, obtaining surface has the metal base of oxide-film, oxidation
The thickness of film is 5 microns to 10 microns.
Further, metal alloy compositions are aluminum alloy materials.
Further, micro- lines is spaced apart curved line and/or the curved line of interlaced arrangement.
Further, once oxidation processing is carried out to the metal base after cutting includes：
Adjust technological parameter during secondary oxidation in secondary oxidation technique；
Once oxidation processing is carried out according to the metal base after the Parameters on Cutting after adjustment.
Second aspect of the present invention improves a kind of metal shell, and the metal shell is by the intermetallic composite coating side of first aspect present invention
Method is prepared, including：
The surface of metal shell is formed with micro- lines and oxide-film, and oxide-film is covered in outside the top of micro- lines, metal
Shell is the metal alloy compositions that consistency is less than Second Threshold higher than first threshold, hardness, and the thickness of oxide-film is 5 microns to 10
Micron.
Further, metal alloy compositions are aluminum alloy materials.
Further, micro- lines is spaced apart curved line and/or the curved line of interlaced arrangement.
Third aspect present invention provides a kind of mobile terminal, including such as the metal shell of second aspect of the present invention.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
The invention provides a kind of method for metal working, this method is cut from the surface of the selection of metal base, metal base
Cut and the step of surface oxidation treatment three is carried out, micro- lines and oxidation are formed with the surface in material property preferably metal base
Film, it is different and the principle of glare grating can be formed by refractive index of the light on micro- lines so that metal surface forms class
Like the band glare raster effects of glass membrane, meanwhile, 5 microns to 10 microns of the oxide-film formed by oxidation processes can be real
The highlighted crystalistic sense of cash metal surface.
Brief description of the drawings
Fig. 1 is method for metal working one embodiment schematic diagram in the embodiment of the present invention.
Embodiment
The embodiments of the invention provide a kind of method for metal working, metal shell and mobile terminal, in metal watch
Face forms the band glare raster effects of similar glass membrane, meets the appearance design of mobile terminal.
In order that those skilled in the art more fully understand the present invention program, below to the technology in the embodiment of the present invention
Scheme is clearly and completely described, it is clear that described embodiment is only the embodiment of a part of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, should all belong to the scope of protection of the invention.
Term " first ", " second ", " the 3rd " in description and claims of this specification and above-mentioned accompanying drawing, "
The (if present)s such as four " are for distinguishing similar object, without for describing specific order or precedence.It should manage
The data that solution is so used can be exchanged in the appropriate case, so that the embodiments described herein can be with except illustrating herein
Or the order beyond the content of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Covering is non-exclusive to be included, for example, the process, method, product or the equipment that contain series of steps or unit are not necessarily limited to clearly
Those steps or unit listed to Chu, but may include not list clearly or for these processes, method, product or
The intrinsic other steps of equipment or unit.
For ease of understanding, the idiographic flow in the embodiment of the present invention is described below, referring to Fig. 1, the present invention is real
Applying method for metal working one embodiment in example includes：
101st, determine that consistency is less than the metal alloy compositions of Second Threshold as Metal Substrate higher than first threshold, hardness
Material；
In the present embodiment, in order to improve processing efficiency and processing effect, it may be determined that consistency is higher than first threshold, hard
Degree is used as metal base less than the metal alloy compositions of Second Threshold.
Specifically, can also be processed for the relatively low metal material of consistency, but after the surface oxidation of this kind of metal material
Effect is poor, can also be processed for the higher metal material of hardness, but this kind of material easily damages process tool, causes processing to be imitated
Rate is relatively low, then in actual applications, and the oxidation effectiveness that can be realized as needed sets the standard of the consistency of metal base,
That is first threshold, it is possible to which the standard of the hardness of metal base, i.e. Second Threshold are set according to the hardness of process tool, so that with
The realization of the processing effect of assistant metal base material as much as possible in terms of material.It is understood that in actual applications, metal
The hardness of base material can not be too low, to prevent that process tool can not be used.
In the present embodiment, for the relatively pure metal material of metal alloy compositions, with advantageous physics, chemically
Can, so as in the present embodiment, be selected in metal alloy compositions metal base.It is preferred that, metal alloy compositions can
Think aluminum alloy materials, such as 6 line aluminium alloys or 7 line aluminium alloys.
102nd, the surface of metal base is cut using the cutter of Digit Control Machine Tool, forming surface has the gold of micro- lines
Belong to base material；
In the present embodiment, choose after metal base, it is possible to use the cutter of Digit Control Machine Tool enters to the surface of metal base
Row cutting, forming surface has the metal base of micro- lines.
Specifically, in the micro- lines formed different from methods such as etching, laser drawings, the present embodiment, metallic substrate surface
Micro- lines formation can utilize Numerical Control Programming, the cutting path of cutter is controlled by, so as to realize cutter to gold
The surface of category base material is processed, i.e., the point of a knife of cutter goes out micro- line of several gap very littles in the surface engraving of metal base
Road so that micro- lines of formation is more fine, the surface for strengthening metal base is formed in the presence of light due to refraction
Glare grating, with more the mirror effect of glass, meanwhile, can ensure to have using Tool in Cutting metallic substrate surface good
Machining accuracy and production.
In actual applications, metal base can be positioned on the panel machining of Digit Control Machine Tool, can on panel machining
Can be circular beater plate, the edge of circular beater plate can be equipped with a cutter, and make point of a knife in the present embodiment provided with a cutterhead
Towards panel machining.When carrying out digital control processing, the motion path of circular beater plate can be controlled, circular beater plate, which drives, to be rotated at a high speed
Cutter the surface of metal base is cut, formed cutting path so that by the cutting movement of circular beater plate to metal
The surface of base material carries out at first (polish, frustrate bright), refine (carving micro- lines), and forming surface has the Metal Substrate of micro- lines
Material, and surface.
In the present embodiment, circular beater plate can be cut with cutter in any position on the surface of metal base, with
Being formed has micro- lines of different shapes, so as to obtain, with inconsistent raster effects, meeting diversified demand.Its
In, the difference of the original position based on cutting path, micro- lines that the surface of metal base is formed can be spaced apart arc
The curved line of shape line and/or interlaced arrangement.
103rd, once oxidation processing is carried out to the metal base after cutting, obtaining surface has the metal base of oxide-film.
In the present embodiment, the surface progress cutting to metal base is formed after micro- lines, can be to the Metal Substrate after cutting
Material carries out once oxidation processing, and obtaining surface has the metal base of oxide-film.Wherein, the thickness of oxide-film can be 5 microns
To 10 microns.
Specifically, in order to further have the metal base of micro- lines to carry out anti-oxidation protection and gorgeous color to surface
Color appearance design, can carry out once oxidation processing to the metal base after cutting.In actual applications, the surface of metal base
Easily generate the oxidation film layer of one layer of amorphous so that metallic substrate surface loses original gloss, and this oxidation film layer is loose
Porous, uneven, resistance to corrosion is not strong, be easily infected with stain.Accordingly, it would be desirable to be carried out to metal base at special once oxidation
Reason, such as anodized, to form the oxide-film for being used to protect of densification.Wherein, the thickness of oxide-film needs control micro- 5
Rice to 10 microns, the thickness to prevent oxidation film is too small and the protection that causes not enough, and thickness it is too high and cause it is non-
Highlighted crystalistic sense.
During oxidation, because the hole of the oxide-film of formation has suction-operated, then in oxidation processes
Dyestuff can be added, the purpose to metal base is dyed is reached, to obtain the metal base of different color.
It is preferred that, in the present embodiment, can be to the concrete mode that the metal base after cutting carries out once oxidation processing：
Adjust technological parameter during secondary oxidation in secondary oxidation technique；
Once oxidation processing is carried out according to the metal base after the Parameters on Cutting after adjustment.
In actual applications, secondary oxidation technique is grown up on the basis of a traditional anodizing, i.e.,
Oxidation processes twice are carried out, it can significantly improve the physical property and chemical property of oxide-film.In secondary oxidation technique,
The technological parameter of once oxidation processing and secondary oxidative treatments is inconsistent, and the effect of formation is also inconsistent, in order to improve processing effect
Can be shortened while rate and processing effect can be with the secondary oxidation in secondary oxidation technique in process time, the present embodiment
Based on processing, the technological parameter during the secondary oxidative treatments is adjusted as needed, and the technological parameter can include reaming
Mode, staining solution concentration, oxidization time and voltage etc., it is possible to according to the metal after the Parameters on Cutting after adjustment
Base material carries out once oxidation processing, that is, carries out second of oxidation processes in secondary oxidation technique, form relatively thin with metal surface
Oxide-film and have bright-coloured coloring performance, so that it is guaranteed that metal surface forms the highlighted penetrating effect of similar glass membrane.
Based on above-mentioned method for metal working, the metal base obtained after processing can be prepared into metal shell, the metal
The surface of shell is formed with micro- lines and oxide-film, wherein, oxide-film can be covered in the top of micro- lines, and metal shell is
Consistency can be less than the metal alloy compositions of Second Threshold higher than first threshold, hardness, and the thickness of oxide-film can be with
For 5 microns to 10 microns.
During the use of above-mentioned metal shell, on the one hand, due to the design of micro- lines, metal shell is reflected in light
Effect is lower can to show the band glare raster effects of similar glass membrane, and on the other hand, the effect of oxide-film can cause gold
Category shell has preferable corrosion resistance, resistance tocrocking, highlighted permeability and preferably degree of staining, secondly, metal alloy material
The hardness, texture and the feel that are advantageously selected for ensureing metal shell of material, in summary, this kind of metal shell is conducive to difference
The gorgeous appearance design of color.
Wherein, it is preferred that the material of metal shell can be aluminum alloy materials.And based on the intermetallic composite coating side of described above
Micro- lines on method, metal shell surface is spaced apart curved line and/or the curved line of interlaced arrangement.Specifically it is referred to
Content in the above method, here is omitted.
The embodiment of the present invention additionally provides a kind of mobile terminal, and the mobile terminal can include outside the metal of described above
Shell, to meet the appearance design of mobile terminal.
In the present embodiment, mobile terminal can include but is not limited to mobile phone, tablet personal computer, desktop computer, intelligent watch etc.
Electronic equipment.
It is apparent to those skilled in the art that, in several embodiments provided herein, it should
It is understood that disclosed product and method, can be realized by another way.Above example is only to illustrate the present invention's
Technical scheme, rather than its limitations；Although the present invention is described in detail with reference to the foregoing embodiments, this area it is common
Technical staff should be understood：It can still modify to the technical scheme described in foregoing embodiments, or to wherein
Some technical characteristics carry out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this hair
The spirit and scope of bright each embodiment technical scheme.
Claims (8)
1. a kind of method for metal working, it is characterised in that including：
Determine that consistency is less than the metal alloy compositions of Second Threshold as metal base higher than first threshold, hardness；
The surface of the metal base is cut using the cutter of Digit Control Machine Tool, forming surface has the Metal Substrate of micro- lines
Material；
Once oxidation processing is carried out to the metal base after cutting, obtaining surface has the metal base of oxide-film, the oxidation
The thickness of film is 5 microns to 10 microns.
2. method for metal working according to claim 1, it is characterised in that the metal alloy compositions are aluminium alloy material
Material.
3. method for metal working according to claim 1 or 2, it is characterised in that micro- lines is spaced apart arc
The curved line of shape line and/or interlaced arrangement.
4. method for metal working according to claim 1 or 2, it is characterised in that the metal base after described pair of cutting enters
The processing of row once oxidation includes：
Adjust technological parameter during secondary oxidation in secondary oxidation technique；
Once oxidation processing is carried out according to the metal base after the Parameters on Cutting after adjustment.
5. a kind of metal shell, it is characterised in that the metal shell is prepared into as the method for metal working described in claim 1
Arrive, including：
The surface of the metal shell is formed with micro- lines and oxide-film, and the oxide-film is covered in the upper of micro- lines
Side, the metal shell is the metal alloy compositions that consistency is less than Second Threshold higher than first threshold, hardness, the oxide-film
Thickness be 5 microns to 10 microns.
6. metal shell according to claim 5, it is characterised in that the metal alloy compositions are aluminum alloy materials.
7. the metal shell according to claim 5 or 6, it is characterised in that micro- lines is spaced apart curved line
And/or the curved line of interlaced arrangement.
8. a kind of mobile terminal, it is characterised in that including the metal shell as any one of claim 5 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710447674.XA CN107127530A (en) | 2017-06-14 | 2017-06-14 | A kind of method for metal working, metal shell and mobile terminal |
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| CN201710447674.XA CN107127530A (en) | 2017-06-14 | 2017-06-14 | A kind of method for metal working, metal shell and mobile terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110842653A (en) * | 2019-11-01 | 2020-02-28 | Oppo广东移动通信有限公司 | Processing method of three-dimensional texture, glass piece, glass shell and electronic equipment |
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Application publication date: 20170905 |