CN106435289A - Metal die casting shell forming method and intelligent electronic device - Google Patents
Metal die casting shell forming method and intelligent electronic device Download PDFInfo
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- CN106435289A CN106435289A CN201510504290.8A CN201510504290A CN106435289A CN 106435289 A CN106435289 A CN 106435289A CN 201510504290 A CN201510504290 A CN 201510504290A CN 106435289 A CN106435289 A CN 106435289A
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Abstract
The invention discloses a metal die casting shell forming method. The method comprises the steps that a metal alloy material in a cured state is converted into a metal alloy material in the melted state; the metal alloy material in the melted state is injected in pouring space of a die in a die pouring manner; the metal alloy material in the melted state is converted into the metal alloy material in the cured state in a high-pressure cooling manner so that a shell can be formed, and the shell is matched with the pouring space in shape; the die is separated, and the shell is taken out; and the shell is subjected to surface treatment, and therefore the shell of an intelligent electronic device is formed. The metal shell of the intelligent electronic device is formed in a die pouring manner.
Description
Technical field
Present disclosure is related to a kind of die cast metal housing forming method, is used for mobile phone particularly to a kind of
Die cast metal housing forming method.Present disclosure further relates to a kind of intelligent electronic device, its metal
Housing is formed using die casting mode.
Background technology
The processing technique of mobile phone metal shell is to pass through computer numerical control (CNC) using material metal plate at present
Lathe (Computer Numerical Control) is processed.Part after above-mentioned machining is then
The technique (Nano Molding Technology) being combined with nm technology with plastic cement by metal, first will
After nmization process, plastic cement direct injection is in metal surface, thus allowing metal for metal surface
Can be integrally formed with plastic cement.Finally, carry out coloring treatment.
Above-mentioned traditional handicraft has following defect：
1st, numerical control processing technology is loaded down with trivial details, and product yield is low；
2nd, time-consuming for numerical control processing technology, and board expense is higher；
3rd, digital control processing stability is bad, and the concordance of product is bad；
4th, Numerical Control Processing Working Procedure is too many, and corresponding fixture is on the high side, and cost is higher.
Therefore, this area has a kind of research and development demand to reduce drawbacks described above for new molding scheme.
Content of the invention
For the problems referred to above of the prior art, a kind of new die cast metal housing is proposed according to the present invention
Molding scheme, will metal alloy compositions be fused into liquid after realized by way of die casting molding
Internal structure of mobile phone and then formation metal shell.
According to the first aspect of the invention, this die cast metal housing forming method includes the steps：
The metal alloy compositions being in solid state are transformed into the metal alloy compositions being in molten state；
The described metal alloy compositions being in described molten state are injected into mould in the way of die casting
In casting space；By way of high pressure cools down, the described metal alloy compositions being in molten state are turned
Turn to the metal alloy compositions being in solid state thus constituting housing, the shape of described housing with described
Casting space mates；Separate described mould, take out described housing；By surface is carried out to described housing
Process, thus forming the housing of intelligent electronic device, the housing of such as mobile phone.
This die cast metal housing forming method also includes building described shell using Computerized three-dimensional forming technique
The three-dimensional digital model of body；Three-dimensional digital model based on constructed housing makes and moves moulds and consolidate
Fixed mold；Move moulds described and fixing mould fits together and is collectively forming described casting space,
This casting space is used for housing described in molding.Furthermore it is possible to the institute for forming described casting space
State the inner surface moving moulds and the inner surface of described fixing mould carries out coating process, thus increasing material
Material mobility.
Can also be to for forming the inner surface moving moulds described in described casting space and described fixation
The inner surface of mould carries out blasting treatment, thus increasing adhesive force.
According to the second aspect of the invention, using blasting craft, described housing is surface-treated,
Then further described housing is surface-treated using anode processing technique, so that described housing
There is desired color.Described anode processing technique is additionally may included in acid-base solution and soaks described shell
Body, then carries out anodising again to the bright border of described housing, finally utilizes ultraviolet to irradiate described shell
Body is dried.
According to the third aspect of the present invention, wherein said metal alloy compositions are aluminum alloy materials, institute
Stating fusion temperature is 800 degrees Celsius.
Magnesium, percentage by weight that the composition of described aluminum alloy materials includes that percentage by weight is 2.8% are
Titanium that silicon that 86.4% aluminum, percentage by weight are 5.2%, percentage by weight are 0.12%, weight percent
Than the manganese for 2.9%, percentage by weight be 0.5% ferrum, percentage by weight be 1.15% zinc, weight
The lanthanum that oxygen element that percentage ratio is 0.26%, percentage by weight are 0.2%, percentage by weight are 0.4%
Cerium.
In addition, being shown experimentally that the purity improving aluminum in aluminum alloy materials as far as possible, producing simultaneously
There is individual defat pre-treatment (i.e. activation processing) before product anodising, can be effectively prevented from sending out during oxidation
Black problem.
For the problems referred to above of the prior art, according to the fourth aspect of the present invention, provide a kind of intelligence
Energy electronic equipment, described intelligent electronic device includes：Metal shell, described metal shell builds accommodating
Space；Multiple electronic devices and components, the plurality of electronic devices and components are located in described accommodation space, realize
At least one electric function of described electronic equipment；Described metal shell is to be in the gold of molten state
Belong to alloy material to inject in the way of die casting in the casting space of mould after cooling by described metal
Alloy material is converted into solid state formation shape from described molten state and is mated with described casting space
Metal shell.
Build the three-dimensional digital model of described metal shell, Ran Houji using Computerized three-dimensional forming technique
Three-dimensional digital model making in constructed housing moves moulds and fixing mould.Described casting space
It is collectively forming by fitting together moving moulds with fixing mould.
Next, being surface-treated using blasting craft for described metal shell.
Then, further described metal shell is surface-treated using anode processing technique, thus
Described metal shell is made to have desired color.
Described metal alloy compositions are aluminum alloy materials, and the fusion temperature of described aluminum alloy materials is 800
Degree Celsius, the composition of wherein said aluminum alloy materials includes magnesium, weight hundred that percentage by weight is 2.8%
Point than for 86.4% aluminum, percentage by weight be 5.2% silicon, percentage by weight be 0.12% titanium,
The ferrum that manganese that percentage by weight is 2.9%, percentage by weight are 0.5%, percentage by weight are 1.15%
Lanthanum that oxygen element that zinc, percentage by weight are 0.26%, percentage by weight are 0.2%, percentage by weight
Cerium for 0.4%.
In addition, for the problem blacking when being effectively prevented from and aoxidizing, improving aluminum alloy materials as far as possible
The purity of middle aluminum, processed (i.e. activation processing) before carrying out defat before product anodising simultaneously.
In order to increase the material flowability of the metal alloy compositions of molten state, to for pouring described in being formed
The inner surface moving moulds described in note space and the inner surface of described fixing mould carry out coating process.
In order to increase adhesive force, to for forming the inner surface moving moulds described in described casting space
Carry out blasting treatment with the inner surface of described fixing mould.
Described anode processing technique is additionally included in acid-base solution and soaks described metal shell, then to institute
The bright border stating metal shell carries out anodising again, finally irradiates described metal shell using ultraviolet and enters
Row is dried.
Based on the present invention, due to numerical control processing technology of the prior art being changed to by mould molding work
Handset shell is directly formed out by skill, thus saving time and the yields of digital control processing, and then
Reduce the purpose of cost.
Secondly because handset shell is formed out by die casting, so each mobile phone shell
The concordance of body is good and efficiency high.
Further, since without digital control processing, fixture cost is down to minimum.
Finally, based on the process performance that present invention preserves metal material outward appearance, you can to carry out sandblasting
Process and anodization.
So far, in order to present invention detailed description in this can be better understood and for this
The bright contribution to prior art can preferably be realized, and the disclosure quite widely outlines
Embodiments of the invention.Certainly, embodiments of the present invention are described below and will be formed
The theme of claims.
In this respect, before explaining embodiments of the invention in detail it will be appreciated that the present invention is at it
Application in be not restricted to propose in the following description or structure illustrated in the accompanying drawings details
Configuration with part.The present invention can have the embodiment in addition to those of description, and can be with
Different modes are implemented and are carried out.Furthermore it will be appreciated that the wording of here employing and term and summary
It is for purposes of description, be not considered as determinate.
Similarly, it would be recognized by those skilled in the art that the design that present disclosure is based on can be easy
The basis as design other structures and system for the ground, for implementing several purposes of the present invention.Therefore,
Importantly, claims will be understood that including such equivalent structure, as long as they do not surpass
Go out the spirit and scope of the invention.
Brief description
All technical characteristics of the present invention be would is that obviously based on accompanying drawing appended hereto.Here
The accompanying drawing of description is only for the illustration purpose of selected embodiment, rather than all possible embodiment is simultaneously
And it is intended to not limit the scope of the present invention.
The flow chart that Fig. 1 illustrates die cast metal housing forming method according to embodiments of the present invention；
Fig. 2 illustrates the three-dimensional digital model of exemplary handset shell according to embodiments of the present invention；
Fig. 3 illustrates the schematic diagram of the mould of exemplary handset shell according to embodiments of the present invention；
Fig. 4 illustrates the schematic diagram using Die casting machine shaping mobile phone housing.
Specific embodiment
Below with reference to accompanying drawing, the exemplary embodiment according to the present invention is described in detail.By attached
Figure and corresponding explanatory note, it will be understood to those of skill in the art that the feature of the present invention and advantage.
According to one embodiment of present invention, Fig. 1 illustrates die cast metal shell according to embodiments of the present invention
The flow chart of body formed method, wherein the method comprise the steps：
In the first step：
The metal alloy compositions being in solid state are transformed into the metal alloy material being in molten state
Material 6 (see Fig. 4).
In the second step：
The described metal alloy compositions being in described molten state are injected into mould in the way of die casting
In the casting space of tool.
In third step：
By way of high pressure cools down, the described metal alloy compositions being in molten state are converted into and are in
The metal alloy compositions of solid state thus constituting housing, the shape of described housing and described casting space
Coupling.
In four steps：
Separate described mould, take out described housing.
In the 5th step：
By being surface-treated to described housing, thus forming the housing of intelligent electronic device.
The method also includes building the three-dimensional digital model of housing using Computerized three-dimensional forming technique, should
The three-dimensional digital model 1 of housing is as shown in Fig. 2 the housing of e.g. mobile phone.Based on constructed handss
The three-dimensional digital model of casing body makes move moulds 2 and fixing mould 3, and such as Fig. 3 illustrates handset shell
One of mould schematic diagram.By described move moulds 2 and fixing mould 3 fit together altogether
With forming casting space 4, this casting space is used for shaping mobile phone housing.Furthermore it is possible to for being formed
The inner surface moving moulds described in described casting space and the inner surface of described fixing mould carry out coating
Process, thus increasing material flowability.It is then also possible to the institute for forming described casting space
State the inner surface moving moulds and the inner surface of described fixing mould carries out blasting treatment, thus increasing attached
Put forth effort.
Using Die casting machine 5 by the metal alloy compositions 6 of above-mentioned molten state with the side of die casting
Formula injects described casting space 4.Fig. 4 illustrates to be arranged on and moves moulds 2 on this Die casting machine 5
With fixing mould 3.Also illustrate that vacuum pump 7 in Die casting machine 5, vacuum tank 8, true in the diagram
Empty wash engine 9, shot sleeve 10, injection ram 11, wherein in described vacuum pump 7, vacuum tank 8
Under the auxiliary of vacuum pulp washing machine 9, the metal alloy compositions 6 being fused into liquid are in shot sleeve 10
In be injected in described casting space 4 by injection ram 11.Described vacuum pump 7 is used for realizing institute
State the application of vacuum of casting space.
After shaping mobile phone housing, using blasting craft, the handset shell of molding is surface-treated,
Then using anode processing technique, last surface treatment is carried out to handset shell, so that handset shell
There is desired color.Described anode processing technique is additionally may included in acid-base solution and soaks described shell
Body, then carries out anodising again to the bright border of described housing, finally utilizes ultraviolet to irradiate described shell
Body is dried.
According to another embodiment of the invention, described metal alloy compositions 6 are aluminum alloy materials, its
Middle fusion temperature is 800 degrees Celsius, and the composition of wherein said aluminum alloy materials includes percentage by weight and is
Silicon that aluminum that 2.8% magnesium, percentage by weight are 86.4%, percentage by weight are 5.2%, weight percent
Than the titanium for 0.12%, percentage by weight be 2.9% manganese, percentage by weight be 0.5% ferrum, weight
The oxygen element that zinc that percentage ratio is 1.15%, percentage by weight are 0.26%, percentage by weight are 0.2%
Lanthanum, percentage by weight be 0.4% cerium.In addition, inventor is found through experiments improving as far as possible
The purity of aluminum in aluminum alloy materials, processed before carrying out defat simultaneously and (lived before product anodising
Change is processed), the problem that can be effectively prevented from blacking when aoxidizing.
According to still another embodiment of the invention, a kind of intelligent electronic device, described smart electronicses are provided
Equipment includes：Metal shell, described metal shell builds accommodation space；Multiple electronic devices and components, institute
State multiple electronic devices and components to be located in described accommodation space, realize at least one electricity of described electronic equipment
Subfunction；Described metal shell is to be in the side with die casting for the metal alloy compositions of molten state
Formula is injected in the casting space of mould and is turned described metal alloy compositions from described molten state after cooling
Turn to solid state and form the metal shell that shape is mated with described casting space.
Build the three-dimensional digital model of described metal shell, Ran Houji using Computerized three-dimensional forming technique
Three-dimensional digital model making in constructed housing moves moulds and fixing mould.Described casting space
It is collectively forming by fitting together moving moulds with fixing mould.
Next, being surface-treated using blasting craft for described metal shell.
Then, further described metal shell is surface-treated using anode processing technique, thus
Described metal shell is made to have desired color.
Described metal alloy compositions are aluminum alloy materials, and the fusion temperature of described aluminum alloy materials is 800
Degree Celsius, the composition of wherein said aluminum alloy materials includes magnesium, weight hundred that percentage by weight is 2.8%
Point than for 86.4% aluminum, percentage by weight be 5.2% silicon, percentage by weight be 0.12% titanium,
The ferrum that manganese that percentage by weight is 2.9%, percentage by weight are 0.5%, percentage by weight are 1.15%
Lanthanum that oxygen element that zinc, percentage by weight are 0.26%, percentage by weight are 0.2%, percentage by weight
Cerium for 0.4%.
In addition, in the present embodiment, in order to be effectively prevented from the problem blacking during oxidation, as far as possible
Improve the purity of aluminum in aluminum alloy materials, process (i.e. before having individual defat before product anodising simultaneously
Activation processing).
In the present embodiment, in order to increase the material flowability of the metal alloy compositions of molten state, right
For forming the inner surface of the inner surface moving moulds described in described casting space and described fixing mould
Carry out coating process.
In order to increase adhesive force, to for forming the inner surface moving moulds described in described casting space
Carry out blasting treatment with the inner surface of described fixing mould.
Described anode processing technique is additionally included in acid-base solution and soaks described metal shell, then to institute
The bright border stating metal shell carries out anodising again, finally irradiates described metal shell using ultraviolet and enters
Row is dried.
Based on the present invention, due to numerical control processing technology of the prior art being changed to by mould molding work
Handset shell is directly formed out by skill, thus saving time and the yields of digital control processing, and then
Reduce the purpose of cost.
Secondly because handset shell is formed by die casting molding, so each mobile phone shell
The concordance of body is good and efficiency high.For in the described inner surface moving moulds and described fixing mould
Surface carries out coating process and blasting treatment further ensures the concordance of handset shell and enters one
Step improves efficiency.
Further, since without digital control processing, fixture cost is down to minimum.
Finally, based on the process performance that present invention preserves metal material outward appearance, you can to carry out sandblasting
Process and anodization.
With reference to specific embodiment, although the present invention is illustrated in the specification and illustrated in the drawings,
It should be appreciated that in the case of without departing from the scope of the invention defined in claim, affiliated technology
Field personnel can make multiple change and the alternative many of element of multiple equivalent.And, this
In literary composition, the combination of technical characteristic, element and/or function between specific embodiment and collocation are clearly distinct
, therefore according to these disclosure of thats, art personnel will appreciate that in embodiment
Technical characteristic, element and/or function can optionally be incorporated in another specific embodiment, remove
Non- the above has other description.Additionally, according to the teachings of the present invention, without departing from the present invention originally
The scope of matter, adapts to special situation or material can make many changes.Therefore, the present invention is not
It is limited to diagrammatic other specific embodiment of accompanying drawing institute, and conduct described in this description is at present
Implement the specific embodiment of the preferred forms contemplated by the present invention, and it is intended that including falling into
All of embodiment in description above and scope of the appended claims.
Claims (20)
1. a kind of die cast metal housing forming method, the method includes：
The metal alloy compositions being in solid state are transformed into the metal alloy material being in molten state
Material；
The described metal alloy compositions being in described molten state are injected into mould in the way of die casting
In the casting space of tool；
By way of high pressure cools down, the described metal alloy compositions being in molten state are converted into and are in
The metal alloy compositions of solid state thus constituting housing, the shape of described housing and described casting space
Coupling；
Separate described mould, take out described housing；
By being surface-treated to described housing, thus forming the housing of intelligent electronic device.
2. die cast metal housing forming method according to claim 1, also includes utilizing computer
The three-dimensional digital model of housing described in three-dimensionally shaped technique construction；
Three-dimensional digital model based on constructed housing makes and moves moulds and fixing mould；
Move moulds described and fixing mould fits together and is collectively forming described casting space, this pours
Note space is used for housing described in molding.
3. die cast metal housing forming method according to claim 1, wherein utilizes blasting craft
Described housing is surface-treated.
4. die cast metal housing forming method according to claim 3, wherein utilizes anodising
Technique is surface-treated to described housing further, so that described housing has desired color.
5. die cast metal housing forming method according to claim 4, wherein said metal alloy
Material is aluminum alloy materials, and described fusion temperature is 800 degrees Celsius.
6. die cast metal housing forming method according to claim 5, wherein said aluminium alloy material
The composition of material includes aluminum, the weight hundred that the magnesium, percentage by weight that percentage by weight is 2.8% is 86.4%
Divide the manganese that the titanium that the silicon for 5.2% for the ratio, percentage by weight are 0.12%, percentage by weight are 2.9%, weight
Amount percentage ratio be 0.5% ferrum, percentage by weight be 1.15% zinc, percentage by weight be 0.26%
The cerium that lanthanum that oxygen element, percentage by weight are 0.2%, percentage by weight are 0.4%.
7. die cast metal housing forming method according to claim 2, wherein to for being formed
State the inner surface moving moulds described in casting space and the inner surface of described fixing mould is carried out at coating
Reason, thus increase material flowability.
8. die cast metal housing forming method according to claim 7, wherein to for being formed
State the inner surface moving moulds described in casting space and the inner surface of described fixing mould is carried out at sandblasting
Reason, thus increase adhesive force.
9. die cast metal housing forming method according to claim 4, wherein said anodising
Technique includes soaking described housing in acid-base solution, then carries out anode again to the bright border of described housing
Process, finally irradiate described housing using ultraviolet and dried.
10. die cast metal housing forming method according to claim 6, wherein improves described aluminum
The purity of aluminum in alloy material, was processed before carrying out defat before described anode processing technique simultaneously.
A kind of 11. intelligent electronic devices, described intelligent electronic device includes：
Metal shell, described metal shell builds accommodation space；
Multiple electronic devices and components, the plurality of electronic devices and components are located in described accommodation space, realize institute
State at least one electric function of electronic equipment；
Described metal shell is to note the metal alloy compositions being in molten state in the way of die casting
Enter in the casting space of mould and after cooling described metal alloy compositions are converted into from described molten state
Solid state forms the metal shell that shape is mated with described casting space.
12. intelligent electronic devices according to claim 11, wherein said casting space is to pass through
To move moulds and fixing mould fits together and is collectively forming.
13. intelligent electronic devices according to claim 11, wherein utilize blasting craft to described
Metal shell is surface-treated.
14. intelligent electronic devices according to claim 13, are wherein entered using anode processing technique
One step is surface-treated to described metal shell, so that described metal shell has desired color.
15. intelligent electronic devices according to claim 11, wherein said metal alloy compositions are
Aluminum alloy materials, the fusion temperature of described aluminum alloy materials is 800 degrees Celsius.
16. intelligent electronic devices according to claim 15, the one-tenth of wherein said aluminum alloy materials
Point including aluminum, percentage by weight that the magnesium, percentage by weight that percentage by weight is 2.8% is 86.4% is
Manganese that titanium that 5.2% silicon, percentage by weight are 0.12%, percentage by weight are 2.9%, weight percent
Than the ferrum for 0.5%, percentage by weight be 1.15% zinc, percentage by weight be 0.26% oxygen element,
The cerium that lanthanum that percentage by weight is 0.2%, percentage by weight are 0.4%.
17. intelligent electronic devices according to claim 12, wherein to for forming described cast
The inner surface moving moulds described in space and the inner surface of described fixing mould carry out coating process, from
And increase material flowability.
18. intelligent electronic devices according to claim 17, wherein to for forming described cast
The inner surface moving moulds described in space and the inner surface of described fixing mould carry out blasting treatment, from
And increase adhesive force.
19. intelligent electronic devices according to claim 14, wherein said anode processing technique bag
Include and soak described metal shell in acid-base solution, then sun is carried out to the bright border of described metal shell again
Pole is processed, and finally irradiates described metal shell using ultraviolet and is dried.
20. intelligent electronic devices according to claim 16, wherein improve described aluminum alloy materials
The purity of middle aluminum, was processed before carrying out defat before described anode processing technique simultaneously.
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| CN201510504290.8A CN106435289A (en) | 2015-08-17 | 2015-08-17 | Metal die casting shell forming method and intelligent electronic device |
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| CN201510504290.8A CN106435289A (en) | 2015-08-17 | 2015-08-17 | Metal die casting shell forming method and intelligent electronic device |
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Cited By (1)
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| CN107598137A (en) * | 2017-09-05 | 2018-01-19 | 联想(北京)有限公司 | The pressure casting method and electronic equipment of a kind of metal shell |
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