CN103157963A - Manufacturing method of face-piece decorating part and face-piece decorating part - Google Patents
Manufacturing method of face-piece decorating part and face-piece decorating part Download PDFInfo
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- CN103157963A CN103157963A CN2013101041273A CN201310104127A CN103157963A CN 103157963 A CN103157963 A CN 103157963A CN 2013101041273 A CN2013101041273 A CN 2013101041273A CN 201310104127 A CN201310104127 A CN 201310104127A CN 103157963 A CN103157963 A CN 103157963A
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Abstract
The invention discloses a manufacturing method of a face-piece decorating part and the face-piece decorating part. The manufacturing method comprises the following steps: A, punching a blank of the face-piece decorating part, and punching a locating hole on the blank of the face-piece decorating part; B, carrying out first oxidation treatment on the blank of the face-piece decorating part; C, adopting a numerical control machine tool to carry out highlight treatment on the periphery of the blank of the face-piece decorating part; D, carrying out second oxidation treatment on the periphery of the blank of the face-piece decorating part; E, adopting a press machine and a forming die to enable the blank of the face-piece decorating part to be formed; F, punching the formed face-piece decorating part, and removing waste on the face-piece decorating part. Before the face-piece decorating part is formed and punched, and the waste is removed, the highlight treatment is carried out, only once highlight treatment is needed, the requirement of a visual effect of a bright border is achieved, an avoidless tool trace in the second highlight treatment is avoided, and only once highlight treatment is needed. Labor cost is saved, and work efficiency is improved.
Description
Technical field
The present invention relates to the face-piece processing technique field, particularly a kind of processing method of face-piece decoration and face-piece decoration.
Background technology
At present, mobile phone has become people's indispensable instrument of living, and it is not only the information tool of people's communication, especially the substitute of white collar's mobile office.The function of mobile phone is more and more, and the user is also more and more higher to the requirement of mobile phone, and for example, young consumers can be had relatively high expectations to the visual effect of cell phone appearance, mobile phone is anti-falls etc.
Because the strength ratio plastic cement of aluminium alloy exceeds several times, and easily processing, technique variation, the characteristics such as quality is light, easy to carry also had, so the aluminium alloy cold punching technology is extensive at the field of mobile phones usage comparison.
The thickness of the aluminium alloy of mobile telephone surface shell is generally the workpiece that 0.5MM is a kind of double-colored anode effect, and its outer surface all requires vertical wire-drawing effect, and need to carry out that the anode pink colour is processed, surrounding high bright limit effect process, anode are golden processes etc.
See also Fig. 1, it is the manufacturing procedure schematic diagram of existing aluminium alloy mobile telephone surface shell, and existing manufacturing procedure comprises: the first step, blanking rush mobile telephone surface shell blank and locating hole; Second step, the mobile telephone surface shell blank is carried out forming processes; The 3rd step, rush the mobile phone screen hole; The 4th goes on foot, carries out anode pink colour oxidation (being the oxidation pink colour in Fig. 1) processes; The 5th step, the surrounding side of mobile telephone surface shell is carried out high light process; The 6th step, the surrounding of mobile telephone surface shell is carried out the golden oxidation of anode (be in Fig. 1 oxidation golden) process.
When the mobile telephone surface shell moulding, its bending circular arc place has four edges, and as shown in Figure 2, its label is 101,102,103,104.Due to this four edges not at grade, when processing, height bright limit is difficult to rounding off, and adopt its high bright limit effect of above-mentioned processing method also not obvious, generally need to process through twice above high light, this mode easily makes the surrounding of mobile telephone surface shell big or small limit and machined trace occur, has a strong impact on visual effect, and need repeatedly high light to process, taken a large amount of human resources and device resource, its inefficiency, production cost is high.Thereby above-mentioned processing method is still waiting to improve and improve.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide a kind of processing method and face-piece decoration of face-piece decoration, not obvious to solve in present technology the high light effect of face-piece decoration, the problem that needs repeatedly high light to process.
In order to achieve the above object, the present invention has taked following technical scheme:
A kind of processing method of face-piece decoration, it comprises:
A, impulse face shell decoration blank, and at face-piece decoration blank upper punch locating hole;
B, described face-piece decoration blank is carried out oxidation processes for the first time;
C, employing Digit Control Machine Tool carry out high light to the surrounding of face-piece decoration blank to be processed;
D, the surrounding of described face-piece decoration blank is carried out oxidation processes for the second time;
E, employing forcing press and mould make the moulding of face-piece decoration blank;
The waste material on the face-piece decoration is removed in F, punching on the face-piece decoration after moulding.
The processing method of described face-piece decoration, after oxidation processes for the first time, the thickness of the oxide-film on described face-piece decoration blank is 5-25um.
The processing method of described face-piece decoration, when high light was processed, the cutting-tool angle of Digit Control Machine Tool was 90 degree, and the speed of mainshaft is ten thousand rev/mins of 3-6, and feed speed is the 1-3 meter per second.
The processing method of described face-piece decoration, described step B specifically comprises:
B01, employing acid degreasing agent were to described face-piece decoration blank ungrease treatment 1-3 minute;
B02, to adopt pH value be that the water lotion of 6.5-8.5 is removed the dirty of face-piece decoration blank surface;
B03, employing acid solution were processed 5-20 minute the chemical polishing of face-piece decoration blank;
B04, to adopt pH value be that the water lotion of 6.5-8.5 is removed the dirty of face-piece decoration blank surface;
B05, employing HNO
3And CrO
3To face-piece decoration blank neutralisation treatment 2-5 minute;
B06, to adopt pH value be that the water lotion of 6.5-8.5 is removed the dirty of face-piece decoration blank surface;
B07, adopt sulfuric acid to face-piece decoration blank oxidation processes 80-100 minute;
B08, to adopt pH value be that the water lotion of 6.5-8.5 is removed the dirty of face-piece decoration blank surface;
B09, employing dyestuff were to face-piece decoration blank dyeing processing 5-15 minute;
B10, to adopt pH value be that the water lotion of 6.5-8.5 is removed the dirty of face-piece decoration blank surface;
B11, employing hole sealing agent were processed 8-15 minute face-piece decoration blank sealing of hole;
B12, to adopt pH value be that the water lotion of 6.5-8.5 is removed the dirty of face-piece decoration blank surface.
The processing method of described face-piece decoration, after step B12, described processing method also comprises:
B13, employing blower fan dry up the globule on face-piece decoration blank surface.
The processing method of described face-piece decoration, after step B13, described processing method also comprises:
B14, employing dryer carry out drying and processing to face-piece decoration blank.
The processing method of described face-piece decoration, in step B01, described acid degreasing agent is the H of 2-3%
2SO
4Solution.
The processing method of described face-piece decoration, in step B03, described acid solution comprises: the H of 50%-70%
3PO
4The H of solution, 5%-15%
2SO
4The HNO of solution and 20%-40%
3Solution.
The processing method of described face-piece decoration, in described step B07, when oxidation processes, sulfuric acid is 5%-20% H
2SO
4Solution, reaction temperature are 15-25 ℃, and Faradaic current is 130-150A.
A kind of face-piece decoration, described face-piece decoration adopt above-mentioned processing method to be processed into.
Compared to prior art, the processing method of face-piece decoration provided by the invention and face-piece decoration, carrying out high light before waste material is removed in the moulding of face-piece decoration, punching processes, its high bright limit effect is splendid, and only need once high light processing to avoid unavoidable machined trace of high light time of secondary, after moulding, high plain edge presents the rounding off shape on visual effect, meets the appearance requirement of face-piece decoration.And only once high light processing of the present invention, saved human cost, improved operating efficiency.
Description of drawings
Fig. 1 is the manufacturing procedure schematic diagram of existing aluminium alloy mobile telephone surface shell.
Fig. 2 is the local enlarged diagram of existing aluminium alloy mobile telephone surface shell.
Fig. 3 is the processing method flow chart of face-piece decoration provided by the invention.
Fig. 4 is the manufacturing procedure schematic diagram of face-piece decoration provided by the invention.
The specific embodiment
The invention provides a kind of processing method and face-piece decoration of face-piece decoration, clearer, clear and definite for making purpose of the present invention, technical scheme and effect, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
The present invention improves mainly for the processing technology of aluminium alloy face-piece decoration, sees also Fig. 3 and Fig. 4, and Fig. 3 is the processing method flow chart of face-piece decoration provided by the invention.Fig. 4 is the manufacturing procedure schematic diagram of face-piece decoration provided by the invention.Wherein, Fig. 4 represents that each operation adds the content of the required processing of face-piece decoration in man-hour, and it is corresponding with the step 1 one in Fig. 3.
The processing method of face-piece decoration provided by the invention is characterized in that, comprising:
S100, impulse face shell decoration blank, and at face-piece decoration blank upper punch locating hole;
S200, described face-piece decoration blank is carried out oxidation processes for the first time;
S300, employing Digit Control Machine Tool carry out high light to the surrounding of face-piece decoration blank to be processed;
S400, the surrounding of described face-piece decoration blank is carried out oxidation processes for the second time;
S500, employing forcing press and mould make the moulding of face-piece decoration blank;
The waste material on the face-piece decoration is removed in S600, punching on the face-piece decoration after moulding.
Described face-piece decoration blank is that waste material workpiece (being face-piece decoration blank) is before removed in the moulding of face-piece decoration, in step S100, by punch press, face-piece decoration blank is separated with plate, and in punching course, at at least two locating holes of face-piece decoration blank upper punch, be subjected to displacement when preventing subsequent forming.
In step S200, for the first time during oxidation processes, the Surface Oxygen of face-piece decoration blank can be changed into pink colour (this color requires oxidation according to the designer) to face-piece decoration blank.In the present embodiment, oxidation processes adopts the method for electrolysis to make the surface of face-piece decoration blank form one deck sull (being aluminium oxide) for the first time, and its thickness is 5-25um, is mainly used in changing state and the performance of surface of the work.As: the metal surface of painted to surface of the work in oxidation processes for the first time, the corrosion resistance that improves workpiece, the wearability that strengthens workpiece and hardness, protection workpiece etc.
In step S300, when the surrounding of shell decoration blank was carried out high light processing over there, the cutting-tool angle of Digit Control Machine Tool was 90 degree, and the speed of mainshaft is ten thousand rev/mins of 3-6, and feed speed is the 1-3 meter per second, can make the outward appearance visual effect of face-piece decoration blank good.And the present invention only needs once high light to process, unavoidable machined trace when having avoided the high light of existing secondary to process, and before the operation that oxidation processes and high light are processed is placed on the Workpiece shaping operation, after being conducive to moulding, high bright limit presents rounding off on video effect, after all process steps processed, whole visual effect was splendid.
In step S400, the method of oxidation processes is identical with the method for oxidation processes for the first time for the second time, its difference only is that oxidation processes for the second time carries out oxidation processes for the surrounding side of face-piece decoration blank, and the color of the dyestuff of the color of dyestuff during from oxidation processes for the first time is different, does not do in detail herein.Adopted one-shot forming technique to make the one-shot forming of face-piece decoration blank in step S500, because moulding process is prior art, be not described further herein.
In step S600, punching on the face-piece decoration after moulding, remove the waste material on the face-piece decoration, take mobile telephone surface shell as example, punching mainly refers to rush the screen display hole on the face-piece decoration after moulding, in punching, the waste material of screen display bore region and face-piece decoration are broken away from, obtain final face-piece decoration.
In the specific implementation, described step S200 specifically comprises:
The first step, employing acid degreasing agent were to described face-piece decoration blank ungrease treatment 1-3 minute.Wherein, described acid degreasing agent is the H of 2-3%
2SO
4Solution, the temperature of ungrease treatment are 40-60 ℃.
Second step, to adopt pH value be that the water lotion of 6.5-8.5 is removed the dirty of face-piece decoration blank surface.Wherein, the temperature of washing is 20-30 ℃, and the time of washing does not limit, and the dirty wash clean on face-piece decoration blank is got final product.
The 3rd step, employing acid solution were processed 5-20 minute the chemical polishing of face-piece decoration blank; Wherein, described acid solution comprises: the H of 50%-70%
3PO
4The H of solution, 5%-15%
2SO
4The HNO of solution and 20%-40%
3Solution.The brightness effect that is mainly used to increase face-piece decoration blank surface is processed in chemical polishing, and its reaction temperature is 95-120 ℃.
The 4th step, to adopt pH value be that the water lotion of 6.5-8.5 is removed the dirty of face-piece decoration blank surface.Wherein, the temperature of washing is 20-30 ℃, and the time of washing does not limit, and the dirty wash clean on face-piece decoration blank is got final product.
The 5th step, employing HNO
3And CrO
3To face-piece decoration blank neutralisation treatment 2-5 minute; Wherein, neutralisation treatment liquid is configured to CrO
3With concentration be 75% HNO
3The reactant liquor of solution, CrO
3Be 120-150g/L, the temperature of its processing is 40-60 ℃.
The 6th step, to adopt pH value be that the water lotion of 6.5-8.5 is removed the dirty of face-piece decoration blank surface.Wherein, the temperature of washing is 20-30 ℃, and the time of washing does not limit, and the dirty wash clean on face-piece decoration blank is got final product.
The 7th step, adopt sulfuric acid to face-piece decoration blank oxidation processes 80-100 minute; When oxidation processes, sulfuric acid is the H of 5%-20%
2SO
4Solution, its pH value are 5-8, and reaction temperature is 15-25 ℃, and Faradaic current is 130-150A, and after oxidation processes, the micropore average diameter of anode oxide film is 0.02um.And when oxidation processes, anodised tank liquor can be reused, if find that the tank liquor degree of depth is inadequate, directly adds the concentrated sulfuric acid and gets final product with distilled water diluting.
The 8th step, to adopt pH value be that the water lotion of 6.5-8.5 is removed the dirty of face-piece decoration blank surface.Wherein, the temperature of washing is 20-30 ℃, and the time of washing does not limit, and the dirty wash clean on face-piece decoration blank is got final product.
The 9th step, employing dyestuff were to face-piece decoration blank dyeing processing 5-15 minute; The dyestuff that the present embodiment adopts is the weak acid dye of 5g/L, and its pH value is 4-7, and reaction temperature is 55-65 ℃.When dyeing, dye molecule deposits and gathers the inner surface of oxide-film micropore, at the color that the surface formation of face-piece decoration blank will be dyed, the diameter average out to 0.0025um of dye molecule.
The tenth step, to adopt pH value be that the water lotion of 6.5-8.5 is removed the dirty of face-piece decoration blank surface.Wherein, the temperature of washing is 20-30 ℃, and the time of washing does not limit, and the dirty wash clean on face-piece decoration blank is got final product.
The 11 step, employing hole sealing agent were processed 8-15 minute face-piece decoration blank sealing of hole; In the present embodiment, hole sealing agent adopts Ni-F-CO, and its pH value is 5-6.5, and reaction temperature is 75-85 ℃, first rinses with cold wash after sealing of hole, then uses the warm water washing 5 minutes of 60 ℃.
The 12 step, to adopt pH value be that the water lotion of 6.5-8.5 is removed the dirty of face-piece decoration blank surface.Wherein, the temperature of washing is 20-30 ℃, and the time of washing does not limit, and the dirty wash clean on face-piece decoration blank is got final product.
Wherein, after the 12 step, described processing method also comprises: the 13 step, employing blower fan dry up the globule on face-piece decoration blank surface; This operation only blows clean the globule of surface of the work and gets final product.
The processing method of face-piece decoration provided by the invention also comprises: the 14 step, employing dryer carry out drying and processing to face-piece decoration blank.
For the ease of understanding, below lift specific embodiment oxidation processes operation for the first time be elaborated:
First adopt 3% H
2SO
4, reaction temperature is the sulfuric acid solution ungrease treatment 2 minutes of 50 ℃; Afterwards with pH value be 7, temperature is the H of 25 ℃
2The dirty of surface of the work removed in the O washing; Use afterwards 60% H
3PO
4, 10% H
2SO
4With 30% HNO
3, temperature is the mixed solution reaction 15 minutes of 110 ℃, increases the brightness of surface of the work; Afterwards again with pH value be 7, temperature is the H of 25 ℃
2The dirty of surface of the work removed in the O washing; Adopt afterwards 75% HNO
3Ratio in 140g/L adds CrO
3In respectively processed 4 minutes; Afterwards again with pH value be 7, temperature is the H of 25 ℃
2The dirty of surface of the work removed in the O washing; Afterwards, with 20% H
2SO
4, pH value is 7, reaction temperature is that 19 ℃, its Faradaic current are the sulfuric acid solution anodized 90 minutes of 140A; Afterwards again with pH value be 7, temperature is the H of 25 ℃
2The dirty of surface of the work removed in the O washing; Afterwards, with 5g/L, pH value be 6, reaction temperature is the dyeing 10 minutes of 60 ℃; Afterwards again with pH value be 7, temperature is the H of 25 ℃
2The dirty of surface of the work removed in the O washing; Afterwards with concentration be that 3.5-5.0 grams per liter, pH value are 6, temperature is the Ni-F-CO solution reaction 12 minutes of 80 ℃, afterwards again with pH value be 7, temperature is the H of 25 ℃
2The dirty of surface of the work removed in the O washing; And then dry up the globule of surface of the work with blower fan, at last with big vast dried machine oven dry workpiece.
The processing method of face-piece decoration provided by the invention, carrying out high light before waste material is removed in the moulding of face-piece decoration, punching processes, its high bright limit effect is splendid, and only need once high light processing to avoid unavoidable machined trace of high light time of secondary, after moulding, high plain edge presents the rounding off shape on visual effect, meets the appearance requirement of face-piece decoration.And when oxidation processes, the operation of one chemical reaction of every process is all washed once, keeps face-piece decoration blank cleaning surfaces, further improves the visual effect of face-piece decoration.
Should be noted that; the processing method of face-piece decoration provided by the invention not only can be used for the processing of face-piece decoration; the workpiece that also can be used for other similar technique, as the workpiece on the high bright limit of needs, other adopts the method to realize that the scheme of bright border is all within protection scope of the present invention.
Based on above-mentioned processing method, the present invention is also corresponding provides a kind of face-piece decoration, the face-piece decoration that described face-piece decoration is mobile phone, panel computer or digital camera, described face-piece decoration is made by above-mentioned processing method, because the processing method of this face-piece decoration is above being described in detail, repeat no more herein.
In sum, the present invention has satisfied the requirement of part on whole visual effect, made up the deficiency of conventional machining process, and the present invention only needs once high light just can reach the visual effect requirement on high bright limit in process, avoided unavoidable machined trace of high light time of secondary, save manpower and device resource, reduced production cost and labor cost, greatly improved production efficiency.
Be understandable that, for those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1. the processing method of a face-piece decoration, is characterized in that, comprising:
A, impulse face shell decoration blank, and at face-piece decoration blank upper punch locating hole;
B, described face-piece decoration blank is carried out oxidation processes for the first time;
C, employing Digit Control Machine Tool carry out high light to the surrounding of face-piece decoration blank to be processed;
D, the surrounding of described face-piece decoration blank is carried out oxidation processes for the second time;
E, employing forcing press and mould make the moulding of face-piece decoration blank;
The waste material on the face-piece decoration is removed in F, punching on the face-piece decoration after moulding.
2. the processing method of face-piece decoration according to claim 1, is characterized in that, after oxidation processes for the first time, the thickness of the oxide-film on described face-piece decoration blank is 5-25um.
3. the processing method of face-piece decoration according to claim 1, is characterized in that, when high light was processed, the cutting-tool angle of Digit Control Machine Tool was 90 degree, and the speed of mainshaft is ten thousand rev/mins of 3-6, and feed speed is the 1-3 meter per second.
4. the processing method of face-piece decoration according to claim 1, is characterized in that, described step B specifically comprises:
B01, employing acid degreasing agent were to described face-piece decoration blank ungrease treatment 1-3 minute;
B02, to adopt pH value be that the water lotion of 6.5-8.5 is removed the dirty of face-piece decoration blank surface;
B03, employing acid solution were processed 5-20 minute the chemical polishing of face-piece decoration blank;
B04, to adopt pH value be that the water lotion of 6.5-8.5 is removed the dirty of face-piece decoration blank surface;
B05, employing HNO
3And CrO
3To face-piece decoration blank neutralisation treatment 2-5 minute;
B06, to adopt pH value be that the water lotion of 6.5-8.5 is removed the dirty of face-piece decoration blank surface;
B07, adopt sulfuric acid to face-piece decoration blank oxidation processes 80-100 minute;
B08, to adopt pH value be that the water lotion of 6.5-8.5 is removed the dirty of face-piece decoration blank surface;
B09, employing dyestuff were to face-piece decoration blank dyeing processing 5-15 minute;
B10, to adopt pH value be that the water lotion of 6.5-8.5 is removed the dirty of face-piece decoration blank surface;
B11, employing hole sealing agent were processed 8-15 minute face-piece decoration blank sealing of hole;
B12, to adopt pH value be that the water lotion of 6.5-8.5 is removed the dirty of face-piece decoration blank surface.
5. the processing method of face-piece decoration according to claim 4, is characterized in that, after step B12, described processing method also comprises:
B13, employing blower fan dry up the globule on face-piece decoration blank surface.
6. the processing method of face-piece decoration according to claim 5, is characterized in that, after step B13, described processing method also comprises:
B14, employing dryer carry out drying and processing to face-piece decoration blank.
7. the processing method of face-piece decoration according to claim 4, is characterized in that, in step B01, described acid degreasing agent is the H of 2-3%
2SO
4Solution.
8. the processing method of face-piece decoration according to claim 4, is characterized in that, in step B03, described acid solution comprises: the H of 50%-70%
3PO
4The H of solution, 5%-15%
2SO
4The HNO of solution and 20%-40%
3Solution.
9. the processing method of face-piece decoration according to claim 4, is characterized in that, in described step B07, when oxidation processes, sulfuric acid is 5%-20% H
2SO
4Solution, reaction temperature are 15-25 ℃, and Faradaic current is 130-150A.
10. a face-piece decoration, is characterized in that, described face-piece decoration adopts and is processed into as the described processing method of claim 1-9 any one.
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| CN103643277A (en) * | 2013-12-27 | 2014-03-19 | 捷荣模具工业(东莞)有限公司 | Aluminum shell based on nano molding machining and anode oxidation method thereof |
| CN103643277B (en) * | 2013-12-27 | 2016-01-13 | 东莞捷荣技术股份有限公司 | A kind of aluminium shell based on nanometer forming process and anode oxidation method thereof |
| CN104493443A (en) * | 2014-12-08 | 2015-04-08 | 广东欧珀移动通信有限公司 | Method for machining through hole in highlighted side of mobile phone shell and mobile phone |
| CN105002544A (en) * | 2015-07-31 | 2015-10-28 | 广东欧珀移动通信有限公司 | Method for obtaining high-light logo after aluminum alloy anodic oxidation and aluminum alloy product |
| CN105177669A (en) * | 2015-09-29 | 2015-12-23 | 广东欧珀移动通信有限公司 | Surface treatment method for aluminum alloy shell |
| CN105386112A (en) * | 2015-12-09 | 2016-03-09 | 广东欧珀移动通信有限公司 | Surface treatment method for aluminum alloy piece, mobile phone shell and mobile phone |
| CN106475750A (en) * | 2016-08-08 | 2017-03-08 | 郑海宁 | A kind of welding method of sheet material chain structure |
| CN106350852A (en) * | 2016-09-22 | 2017-01-25 | 宇龙计算机通信科技(深圳)有限公司 | Magnetic aluminum alloy battery cover, processing method and equipment |
| CN106894070A (en) * | 2017-01-06 | 2017-06-27 | 东台立讯精密电子技术有限公司 | Secondary oxidation technique after the treatment of mobile phone shell bloom |
| CN110653563A (en) * | 2019-08-21 | 2020-01-07 | 广东长盈精密技术有限公司 | Electronic product shell machining process and electronic product shell |
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