CN107708351A

CN107708351A - Method for producing shell, housing and electronic equipment

Info

Publication number: CN107708351A
Application number: CN201710912445.0A
Authority: CN
Inventors: 杨光明; 孙文峰; 袁于才
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2017-09-29
Filing date: 2017-09-29
Publication date: 2018-02-16
Anticipated expiration: 2037-09-29
Also published as: CN107708351B

Abstract

The embodiment of the present application provides a kind of method for producing shell, housing and electronic equipment, and the method for producing shell includes：One housing is provided；First time oxidation processes are carried out to the outer surface of the housing；Spray painting at least once is carried out to the housing outer surface after the first time oxidation processes to handle, to form at least one layer of skin of paint in the housing outer surface；Housing outer surface after handling the spray painting carries out machining processes, to form an at least arc area in the edge of the housing outer surface；Second of oxidation processes is carried out to the arc area.The method for producing shell that the embodiment of the present application provides, the first oxide layer can be formed in housing outer surface, and form skin of paint in first oxide layer, arc area in housing outer surface edge forms the second oxide layer, so that the housing outer surface is smooth, it is not easy to be stained with fingerprint, cap surface is clean and tidy after can keeping.

Description

Method for producing shell, housing and electronic equipment

Technical field

The application is related to technical field of electronic equipment, and in particular to a kind of method for producing shell, housing and electronic equipment.

Background technology

At present, electronic equipment, the raw material that for example mobile phone, the housing of tablet personal computer prepare processing is usually aluminium, and business The aluminium being commercially available then due to its rigidity the problems such as can not directly use.Need to carry out multiple working process to raw material aluminium Shell structure needed for formation.However, after housing processing of the prior art, housing outer surface easily glues fingerprint.

The content of the invention

The embodiment of the present application provides a kind of method for producing shell, housing and electronic equipment, it is possible to reduce housing outer surface Viscous fingerprint.

In a first aspect, the embodiment of the present application provides a kind of method for producing shell, the housing is used for electronic equipment, the shell Body preparation method includes：

One housing is provided；

First time oxidation processes are carried out to the outer surface of the housing；

Spray painting at least once is carried out to the housing outer surface after the first time oxidation processes to handle, with outside the housing Surface forms at least one layer of skin of paint；

Housing outer surface after handling the spray painting carries out machining processes, with the edge of the housing outer surface Place forms an at least arc area；

Second of oxidation processes is carried out to the arc area.

Second aspect, the embodiment of the present application also provide a kind of housing, and the housing is used for electronic equipment, and the housing uses Above-mentioned method for producing shell is formed.

The third aspect, the embodiment of the present application also provide a kind of housing, and the housing is used for electronic equipment, the housing appearance Formed with the first oxide layer, first oxide layer has the first color in face, and the edge of the housing outer surface is included at least One arc area, the arc area have the second color formed with the second oxide layer, second oxide layer.

Fourth aspect, the embodiment of the present application also provide a kind of electronic equipment, and the electronic equipment includes housing, the housing For above-mentioned housing.

The method for producing shell that the embodiment of the present application provides, the first oxide layer can be formed in housing outer surface, and in institute To state and form skin of paint in the first oxide layer, the arc area in housing outer surface edge forms the second oxide layer, so as to So that the housing outer surface is smooth, it is not easy to be stained with fingerprint, cap surface is clean and tidy after can keeping.

Brief description of the drawings

In order to illustrate more clearly of the technical scheme in the embodiment of the present application, make required in being described below to embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present application, for For those skilled in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached Figure.

Fig. 1 is the structural representation for the electronic equipment that the embodiment of the present application provides.

Fig. 2 is the structural representation for the housing that the embodiment of the present application provides.

Fig. 3 is the structural representation for the bonnet that the embodiment of the present application provides.

Fig. 4 is profiles of the Fig. 3 in A-A directions.

Fig. 5 is another profiles of the Fig. 3 in A-A directions.

Fig. 6 is another profiles of the Fig. 3 in A-A directions.

Fig. 7 is another profiles of the Fig. 3 in A-A directions.

Fig. 8 is another profiles of the Fig. 3 in A-A directions.

Fig. 9 is another profiles of the Fig. 3 in A-A directions.

Figure 10 is another structural representation for the housing that the embodiment of the present application provides.

Figure 11 is another structural representation for the bonnet that the embodiment of the present application provides.

Figure 12 is another structural representation for the electronic equipment that the embodiment of the present application provides.

Figure 13 is the schematic flow sheet for the bonnet preparation method that the embodiment of the present application provides.

Figure 14 is the schematic flow sheet of the embodiment of the present application bonnet oxidation processes.

Figure 15 is the schematic flow sheet for the spray painting processing that the embodiment of the present application provides.

Figure 16 is another profiles of the Fig. 3 in A-A directions.

Figure 17 is another profiles of the Fig. 3 in A-A directions.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out clear, complete Site preparation describes.Obviously, described embodiment is only some embodiments of the present application, rather than whole embodiments.It is based on Embodiment in the application, the every other implementation that those skilled in the art are obtained under the premise of creative work is not made Example, belong to the scope of the application protection.

In the description of the present application, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " up time The orientation or position relationship of the instruction such as pin ", " counterclockwise " are based on orientation shown in the drawings or position relationship, are for only for ease of Describe the application and simplify to describe, rather than indicate or imply that signified device or element must have specific orientation, Yi Te Fixed azimuth configuration and operation, therefore it is not intended that limitation to the application.In addition, term " first ", " second " are only used for Purpose is described, and it is not intended that instruction or hint relative importance or the implicit quantity for indicating indicated technical characteristic. Thus, " first " is defined, the feature of " second " can be expressed or implicitly includes one or more feature. In the description of the present application, " multiple " are meant that two or more, unless otherwise specifically defined.

, it is necessary to illustrate in the description of the present application, unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can To be mechanical connection or electrical connection or can mutually communicate；Can be joined directly together, can also be by between intermediary Connect connected, can be connection or the interaction relationship of two elements of two element internals.For the ordinary skill of this area For personnel, the concrete meaning of above-mentioned term in this application can be understood as the case may be.

In this application, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under " Can directly it be contacted including the first and second features, it is not directly to contact but pass through it that can also include the first and second features Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " to include first special Sign is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists Second feature " under ", " lower section " and " following " fisrt feature that includes are immediately below second feature and obliquely downward, or be merely representative of Fisrt feature level height is less than second feature.

Following disclosure provides many different embodiments or example is used for realizing the different structure of the application.In order to Simplify disclosure herein, hereinafter the part and setting of specific examples are described.Certainly, they are only example, and And purpose does not lie in limitation the application.In addition, the application can in different examples repeat reference numerals and/or reference letter, This repetition is for purposes of simplicity and clarity, between itself not indicating discussed various embodiments and/or setting Relation.In addition, this application provides various specific techniques and material examples, but those of ordinary skill in the art can be with Recognize the application of other techniques and/or the use of other materials.

The embodiment of the present application provides a kind of method for producing shell, housing and electronic equipment.It will carry out respectively below detailed Explanation.

In the present embodiment, will be described from the angle of bonnet preparation method, the method for producing shell can form shell Body, the housing can be set in the electronic device, such as mobile phone, tablet personal computer, palm PC (Personal Digital Assistant, PDA) etc..

Refer to the structural representation that 1, Fig. 1 is the electronic equipment that the embodiment of the present application provides.The electronic equipment 1 includes shell Body 10, display screen 20, printed circuit board 30, battery 40.

Referring to Fig. 2, Fig. 2 is the structural representation for the housing that the embodiment of the present application provides.Wherein, the housing 10 can wrap Cover plate 11, center 12 and bonnet 13 are included, cover plate 11, center 12 and bonnet 13 are mutually combined to form the housing 10, and the housing 10 has There is the confined space formed by cover plate 11, center 12 and bonnet 13, to accommodate display screen 20, printed circuit board 30, battery 40 Deng device.In certain embodiments, the lid of cover plate 11 is set on center 12, and the lid of bonnet 13 is set on center 12, cover plate 11 and bonnet 13 are located at the opposite face of center 12, and cover plate 11 and bonnet 13 are oppositely arranged, and the confined space of housing 10 is located at cover plate 11 and bonnet Between 13.

Wherein, cover plate 11 can be transparent glass cover plate.In some embodiments, cover plate 11 can be with such as blue precious Glass cover-plate made of the materials such as stone.Wherein, center 12 can be metal shell, such as aluminium alloy center 12.Need what is illustrated It is that the material of the embodiment of the present application center 12 is not limited to this, other manner can also be used, such as：Center 12 can ceramics Center, glass center.For another example：Center 12 can be plastic cement center.Also such as：Center 12 can be that metal and plastic cement are mutual The structure of cooperation, plastic portions and being molded on sheet metal can be formed.Wherein, bonnet 13 can with metal back cover, such as Aluminium alloy bonnet.

Also referring to Fig. 3, Fig. 3 is the structural representation for the bonnet that the embodiment of the present application provides.The bonnet 13 can wrap The inner surface 131 being oppositely arranged and outer surface 132 are included, the inner surface 131 of the bonnet 13 forms shell close to center 12 and cover plate 11 The inner surface of body 10, the outer surface 132 of the bonnet 13 is away from center 12 and cover plate 11, the outer surface of formation housing 10.The bonnet 13 can also include volcanic crater 133, and the volcanic crater 133 can install camera.

Also referring to Fig. 4, Fig. 4 is profiles of the Fig. 3 in A-A directions.Bonnet 13a can include bonnet substrate 137, Oxide layer 134 and skin of paint 136.

Wherein, bonnet substrate 137 can use aluminium, such as aluminium alloy.The bonnet substrate 137 includes the He of inner surface 131 Outer surface 132, the inner surface of the bonnet substrate 137 can be understood as the inner surface of bonnet 13, and the bonnet substrate 137 is outer Surface can be understood as the outer surface before bonnet is not aoxidized, painted etc..

Wherein, oxide layer 134 is formed on the outer surface 132 of bonnet substrate 137.The oxide layer 134 can be by once Oxidation forms layer of oxide layer 134.Such as：Monochrome oxidation forms the oxide layer 134, specifically can be by being carried out after oxidation technology Coloring is formed.It should be noted that in some embodiments, it is also possible to formed using oxidation twice or oxidation more than twice Multilayer oxide layer.

Such as：Referring to Fig. 5, Fig. 5 is another profiles of the Fig. 3 in A-A directions.Fig. 5 and Fig. 4 difference is：Bonnet 13b oxide layer 134 includes two layers, i.e. the first oxide layer 1341 and the second oxide layer 1342.First oxide layer 1341 is formed On the outer surface 132 of bonnet substrate 137, the second oxide layer 1342 is formed in the first oxide layer 1341, in certain embodiments, The part that second oxide layer can be covered only in the first oxide layer.First oxide layer 1341 and the second oxide layer 1342 can To increase the adhesion with skin of paint 136.Wherein, the sandwich construction on oxide layer, is no longer illustrated one by one herein.One In a little embodiments, first oxide layer can be colored oxide layer, and the second oxide layer can also be colored oxide layer.First oxygen The color for changing layer can be different from the color of the second oxide layer, can also be identical.Wherein, skin of paint 136 is formed in oxide layer 134 On, oxide layer 134 is between skin of paint 136 and bonnet substrate 137.In certain embodiments, can be in oxide layer 134 One layer of paint of spray forms the skin of paint 136.The skin of paint 136 is located at the outermost layer of the outer surface of bonnet 13, and its surface is smooth, Fingerprint not easy to stick, exterior surface cleaning is smooth after can keeping.

It should be noted that in some embodiments, it is also possible to two layers of paint or more than two layers are sprayed in oxide layer 134 Paint, to form two layers of skin of paint or multilayer skin of paint.Such as：Referring to Fig. 6, Fig. 6 is another sections of the Fig. 3 in A-A directions Figure.Fig. 6 and Fig. 4 difference is：Bonnet 13c skin of paint 136 includes the first skin of paint 1361 and the second skin of paint 1362. First skin of paint 1361 is formed in oxide layer 134, and second skin of paint 1362 is formed on the first skin of paint 1361.

In certain embodiments, the thickness of the second skin of paint 1362 is more than the thickness of the first skin of paint 1361, further, The thickness of second skin of paint 1362 is twice of the thickness of the first skin of paint 1361, for example the thickness of the second skin of paint 1362 is 10um, the thickness of the first skin of paint 1361 is 5um.It should also be noted that, the second skin of paint 1362 and the first skin of paint 1361 Certain error amount is there may be in process of production, for example error amount is 0.5um.Second skin of paint and the first skin of paint thickness Setting can to rear exterior surface provide preferably protection, and cause two layers of skin of paint between bond it is even closer.

For another example：Referring to Fig. 7, Fig. 7 is another profiles of the Fig. 3 in A-A directions.Fig. 7 and Fig. 4 difference is：Afterwards Lid 13d skin of paint 136 includes the first skin of paint 1361, the second skin of paint 1362 and the 3rd skin of paint 1363.First paint Layer 1361 is formed in oxide layer 134, and second skin of paint 1362 is formed on the first skin of paint 1361, the 3rd skin of paint 1363 form on the second skin of paint 1362.Formed in oxide layer 134 two layers or three layers of skin of paint can increase oxide layer and The adhesion of skin of paint, to the protecting effect of bonnet more preferably.

In certain embodiments, the thickness of the 3rd skin of paint 1363 is more than the second skin of paint 1362, the second skin of paint 1362 Thickness be more than the first skin of paint 1361 thickness.Further, the thickness of the 3rd skin of paint 1363 is the second skin of paint 1362 Twice of thickness, the thickness of the second skin of paint 1362 is twice of the thickness of the first skin of paint 1361, such as the 3rd skin of paint 1363 thickness is 8um, and the thickness of the second skin of paint 1362 is 4um, and the thickness of the first skin of paint 1361 is 2um.

In certain embodiments, the thickness of the 3rd skin of paint 1363, the second skin of paint 1362 and the first skin of paint 1361 according to Secondary equal thickness is reduced, for example the thickness of the 3rd skin of paint 1363 is 9um, and the thickness of the second skin of paint 1362 is 6um, and first is oily The thickness of enamelled coating 1361 is 3um.The setting of 3rd skin of paint, the second skin of paint and the first skin of paint thickness can be to bonnet appearance Face provides preferably protection, and so that is bonded between three layers of skin of paint even closer.

In certain embodiments, the skin of paint can be with transparent setting.It should be noted that when skin of paint is at least two layers When, wherein at least one layer of skin of paint can be with transparent setting.In some other embodiment, all skin of paints can be set with transparent Put.

In order to increase the adhesion between skin of paint 136 and oxide layer 134, in certain embodiments, referring to Fig. 8, Fig. 8 For another profiles of the Fig. 3 in A-A directions.Fig. 8 and Fig. 4 difference is：Bonnet 13e can also include binder course 135.Should Binder course 135 is formed in oxide layer 134, and skin of paint 136 is formed on binder course 135.In certain embodiments, the combination Layer 135 can be formed in oxide layer 134 using PVD (Physical Vapor Deposition, physical vapour deposition (PVD)) mode On.The binder course 135 can increase between oxide layer 134 and skin of paint 136 between oxide layer 134 and skin of paint 136 Adhesion.It should be noted that in some other embodiment, can also other manner binder course is formed in oxide layer, To increase the adhesion of oxide layer and skin of paint

In certain embodiments, referring to Fig. 9, Fig. 9 is another profiles of the Fig. 3 in A-A directions, Fig. 9 and Fig. 4 area It is not：The bonnet 13f surface of oxide layer 134 forms concaveconvex structure 1343, and the concaveconvex structure 1343 can be adopted by sand-blasting machine Formed with the mode of sandblasting so that it is the surface cleaning of oxide layer 134, coarse, and then can increase and to be formed in the concaveconvex structure 1343 The adhesion to oil between enamelled coating 136 and oxide layer 134.

It should be noted that the structure of the bonnet is not limited to this, such as：Bonnet can include two layers or multilayer aoxidizes Layer, two layers or multilayer skin of paint.For another example：Bonnet can include two layers or multilayer oxide layer, two layers or multilayer skin of paint and Stratum granulosum.For another example：Bonnet can include two layers or multilayer oxide layer, two layers or multilayer skin of paint and binder course.Need Bright, the number of plies between oxide layer, binder course and skin of paint changes within the protection domain of the embodiment of the present application, This is no longer illustrated one by one.

It should be noted that the structure of the embodiment of the present application housing is not limited to this, such as, referring to Fig. 10, Figure 10 is Another structural representation for the housing that the embodiment of the present application provides.Wherein, the housing 10a shown in Figure 10 includes cover plate 16 and bonnet 17.In certain embodiments, the directly lid of cover plate 16 is set on bonnet 17, and cover plate 16 and bonnet 17 are mutually combined to form the housing 10a, housing 10a have the confined space formed by cover plate 16 and bonnet 17, to accommodate display screen 20, printed circuit board 30th, the device such as battery 40.Compared to the housing 10 shown in Fig. 2, housing 10a does not include center, or perhaps by the center in Fig. 2 12 and bonnet 13 be integrally formed to form the structure of a bonnet 17 (certainly, middle frame structure can also be named as herein).Specifically, it please join Figure 11 is read, Figure 11 is another structural representation for the bonnet that the embodiment of the present application provides.In certain embodiments, bonnet 17 includes Inner surface 171 and outer surface 172, inner surface 171 and outer surface 172 are oppositely arranged, and form the whole surface of bonnet 17.The bonnet 17 each Rotating fields can refer to bonnet 13, will not be repeated here.

Wherein, the printed circuit board 30 is installed in the housing 10, and the printed circuit board 30 can be the master of electronic equipment 1 Plate, antenna, motor, microphone, camera, light sensor, receiver and processing can be integrated with printed circuit board 30 The functional units such as device.In certain embodiments, the printed circuit board 30 is fixed in housing 10.Specifically, the printed circuit board 30 can be screwed on center 12 by screw, can also be fitted on using card by the way of buckle on center 12.Need what is illustrated Be, the embodiment of the present application printed circuit board 30 specifically be fixed to center 12 on mode be not limited to this, can with other manner, Such as by way of buckle and screw are fixed jointly.

Wherein, the battery 40 is installed in the housing 10, and battery 40 is electrically connected with the printed circuit board 30, with to electronics Equipment 1 provides power supply.Housing 10 can be as the battery cover of battery 40.Housing 10 covers battery 40 to protect battery 40, specifically Be that bonnet 13 covers battery 40 to protect battery 40, reduce battery 40 due to electronic equipment 1 collision, fall etc. and be subject to Damage.

Wherein, the display screen 20 is installed in the housing 10, meanwhile, the display screen 20 is electrically connected on printed circuit board 30, To form the display surface of electronic equipment 1.The display screen 20 includes viewing area 14 and non-display area 15.The viewing area 14 can With for showing the picture of electronic equipment 1 or carry out touching manipulation etc. for user.The top area of the non-display area 15 is opened If for the perforate of sound and light conduction, the functions such as fingerprint module, touch controlled key can be set on the bottom of non-display area 15 Component.Wherein the cover plate 11 is installed on display screen 20, to cover display screen 20, is formed and the identical viewing area of display screen 20 And non-display area, viewing area that specifically can be refering to display screen 20 and non-display area.

It should be noted that the structure of the display screen 20 is not limited to this.For example the display screen can be comprehensive screen or different Property screen, specifically, refer to Figure 12, Figure 12 is another structural representation for the electronic equipment that the embodiment of the present application provides.Figure 12 In electronic equipment and Fig. 1 in the difference of electronic equipment be：Non-display area 15a is formed directly on display screen 20a, For example it is arranged to transparent configuration in display screen 20a non-display area 15a, so that optical signal passes through, or directly in display screen 20a non-display area is opened up for structures such as the perforate of light conduction or breach, can be by front camera, photoelectric sensor etc. Non-display area position is arranged at, so that front camera is taken pictures, photoelectric sensor detects.Viewing area 14a is paved with electronics Equipment 1a whole surfaces.It should be noted that the device such as housing 10, printed circuit board 30 and battery 40 in electronic equipment 1a Above content can be referred to, will not be repeated here.

In order to further describe the shell structure of the embodiment of the present application, carried out specifically by taking method for producing shell as an example below It is bright.It should be noted that method for producing shell can specifically include bonnet preparation method, center preparation method.Housing system below Make method to illustrate by taking bonnet preparation method as an example, it is to be understood that the embodiment of the present application method for producing shell is simultaneously unlimited In bonnet.

Also referring to Figure 13, Figure 13 is the schematic flow sheet for the bonnet preparation method that the embodiment of the present application provides.After this Lid preparation method comprises the following steps：

In a step 101, there is provided a bonnet.The bonnet can be metal material, such as aluminium, further, such as aluminium Alloy.It should be noted that the bonnet can be directly commercially available, sheet fabrication can also be obtained, such as to aluminium alloy plate The PROCESS FOR TREATMENTs such as material is forged and pressed, timeliness obtain.

Wherein, the bonnet can include inner surface and the outer surface being oppositely arranged, and the bonnet and its inner surface, outer surface can Refering to above content, will not be repeated here.

In a step 102, the outer surface of bonnet is processed by shot blasting.So that rear exterior surface is smooth.

In certain embodiments, rear exterior surface can be realized by the way of machinery, chemistry or electrochemistry and polished.With So that bonnet surface roughness reduces, to obtain bright, flat surface rear exterior surface.Wherein, chemical polishing mode is pair The regular dissolving of exterior surface progress afterwards reaches smooth.Wherein, electrochemical polish mode is using rear exterior surface as sun Pole, it is insoluble be nearly negative electrode, two-stage is immersed in electrolytic cell simultaneously, logical direct current and produce selective anodic dissolution, from And make it that the increase of bonnet exterior surface gloss degree is big.The mode wherein mechanically polished be by exterior surface after cutting or polishing, So that rear exterior surface plastic deformation removes the convex portion after polishing and obtains even surface.For example, in certain embodiments, it can adopt Housing outer surface is polished with granularity less grinding wheel, to realize the polishing to housing outer surface.

In certain embodiments, before being processed by shot blasting to the outer surface of bonnet, first rear exterior surface can be entered Row grinding process, then the rear exterior surface after grinding process is processed by shot blasting again, makes polishing better.

In step 103, oxidation processes at least twice are carried out to the rear exterior surface after polishing.

In certain embodiments, once oxidation processing can be carried out to the rear exterior surface after blasting treatment, forms one layer Oxide layer, in other words layer oxide film.Coloring treatment can also be carried out after once oxidation processing, exterior surface color after formation. Few oxidation processes twice are also proceeded to, to form at least two layers of oxide layer, or perhaps at least two layers of oxide-film.At oxidation Oxidation every time can be coloured after reason, and then form required appearance color.Such as：Can be to the bonnet after polishing Outer surface carries out oxidation processes twice, to form two layers of oxide layer, and carries out coloring treatment after the oxidising treat-ment, and then forms institute The appearance color needed.Specifically, referring to Figure 14, the Figure 14 is the schematic flow sheet of the embodiment of the present application bonnet oxidation processes. Oxidation processes specifically include twice for this：

In step 1031, first time oxidation processes are carried out to the rear exterior surface after polishing, form the first oxidation Layer.After the first time oxidation processes, coloring treatment can also be carried out, the appearance color of exterior surface after being formed, such as Black, white etc..

In step 1032, machining processes are carried out to the rear exterior surface after first time oxidation processes, with described The edge of exterior surface forms an at least arc area, arc area 1321 as shown in figure 16 afterwards.Wherein, the arc Region can be C angles.Specifically, CNC (Computer numerical control, computer numerical control (CNC) machine can be used Bed) process C angles.

In step 1033, second of oxidation processes is carried out to the rear exterior surface after machining processes, forms second Oxide layer, the second oxide layer 138 as shown in figure 16.Specifically, second can be carried out on arc area 1321 (i.e. C angles) Secondary oxidation, to form the second oxide layer 138 on arc area 1321 (i.e. C angles), it is possible to achieve the protection to rear exterior surface Effect.

In certain embodiments, as shown in figure 17, can be formed respectively at the both sides of the edge of exterior surface 132 in the rear Two arc areas 1321 (i.e. C angles), and second is carried out to two arc areas 1321 (i.e. C angles) and is aoxidized, with two The individual arc area 1321 (i.e. C angles) all forms the second oxide layer 138.

By oxidation processes twice not only to the protecting effect of rear exterior surface more preferably, and formed after aoxidizing twice The adhesion of dioxide layer and skin of paint is more preferable., can also be to after after polishing it should be noted that in some embodiments Exterior surface carries out the oxidation processes of oxidation or more time three times.

It should be noted that the embodiment of the present application can also be after polishing rear exterior surface carry out once oxidation at Reason.Layer of oxide layer, or perhaps oxide-film are formed in rear exterior surface.When carrying out once oxidation processing, in order to increase oil Adhesion between enamelled coating and oxide layer, one layer of stratum granulosum can be formed in oxide layer by the way of physical vapour deposition (PVD), Then spray painting processing is carried out on stratum granulosum again, forms skin of paint.Stratum granulosum can increases the combination of oxide layer and skin of paint Power, to the protecting effect of housing outer surface more preferably.

At step 104, carry out spray painting at least once to the rear exterior surface after oxidation processes at least twice to handle, rear Exterior surface forms at least one layer of skin of paint.At least one layer of skin of paint is formed in oxide layer, is specifically formed in second In oxide layer, the second oxide layer is between the first oxide layer and skin of paint.At least one layer of skin of paint is located at rear exterior surface Outermost layer, its surface is smooth, and fingerprint not easy to stick, exterior surface cleaning is smooth after can keeping.

In certain embodiments, once spray painting processing can be carried out in the second oxide layer, one layer of skin of paint is formed, also may be used To carry out the processing of spray painting two or more times in the second oxide layer, two layers or more than two layers of skin of paint is formed.Need to illustrate , when oxide layer only has one layer, once spray painting can be directly carried out in oxide layer and handled, form one layer of skin of paint, The processing of spray painting two or more times can be carried out in oxide layer, forms two layers or more than two layers of skin of paint.

In certain embodiments, can be to rear after the rear exterior surface after secondary oxidative treatments carries out spray painting processing Exterior surface carries out baking processing, can use high-temperature baking, and the paint drying for being sprayed on rear exterior surface is formed into paint Layer.For example baking temperature is 80 degree, baking time is rear exterior surface to be toasted in 1 hour.It should be noted that each time Once baking processing can be carried out after spray painting processing.Illustrated below by taking processing of painting twice as an example, refer to Figure 15, schemed 15 be the schematic flow sheet for the spray painting processing that the embodiment of the present application provides.The technical process of spray painting processing includes：

In step 1041, first time spray painting processing is carried out to the rear exterior surface after oxidation processes at least twice.Extremely Rear exterior surface after few oxidation processes twice carries out first time spray painting, sprays celluloid paint.

In step 1042, the rear exterior surface after handling first time spray painting carries out first time baking processing, in bonnet Outer surface forms the first skin of paint.Spray painting processing for the first time and baking processing can increase by the second oxide layer and spray for the first time The adhesion of paint.

In step 1043, the rear exterior surface after handling first time baking carries out second of spray painting processing.First Rear exterior surface after secondary baking processing carries out second of spray painting processing, sprays celluloid paint.

In step 1044, the rear exterior surface after handling second of spray painting carries out second of baking processing, outside bonnet Surface forms the second skin of paint, and the second skin of paint is formed on the first skin of paint.First skin of paint can increase and oxide layer Adhesion so that two layers of skin of paint can increase the protective effect to housing.

In certain embodiments, first skin of paint and the second skin of paint are that celluloid paint is formed.Need what is illustrated It is that it is that clean oil enamelled coating is also possible to have one layer in the first skin of paint and the second paint.

It should be noted that can also be painted three times processing and baking processing three times, will not be repeated here.Wherein, Thickness relationship between each skin of paint can refer to above content, will not be repeated here.

In certain embodiments, rear exterior surface that can be after polishing carries out blasting treatment, forms sandblasting layer.So Carry out oxidation processes on sandblasting layer again afterwards.The sandblasting layer can increase the adhesion between oxide layer and skin of paint.

Pair in certain embodiments, housing outer surface can carried out after oxidation forms the first oxide layer for the first time, i.e., The housing outer surface after oxidation carries out spray painting processing, to form skin of paint in the housing outer surface.Then, to the shell External surface carries out machining processes, to form an arc area, namely the C in the edge of the housing outer surface Angle.Then, second of oxidation processes is carried out to the arc area, to form the second oxide layer in the arc area.

In certain embodiments, can be to described after the first oxide layer of oxidation formation for the first time is carried out to housing outer surface First oxide layer carries out coloring treatment, to cause described first to be oxidized to that the first color, such as blueness is presented.To the arcuate segments Domain carries out second of oxidation processes, after forming the second oxide layer, coloring treatment can be carried out to second oxide layer, to cause The second color is presented in second oxide layer, such as red.So as to which the different parts of the housing outer surface can show not With the visual effect of color.

In summary, the method for producing shell that the embodiment of the present application provides, the first oxidation can be formed in housing outer surface Layer, and skin of paint is formed in first oxide layer, the arc area in housing outer surface edge forms the second oxide layer, So that the housing outer surface is smooth, it is not easy to be stained with fingerprint, cap surface is clean and tidy after can keeping.

It will be understood by those skilled in the art that the structure of the electronic equipment 1 shown in Fig. 1 is not formed to electronic equipment 1 Restriction.Electronic equipment 1 can be included than illustrating more or less parts, either combine some parts or different portions Part is arranged.Electronic equipment 1 can also include memory, bluetooth module etc., will not be repeated here.

Method for producing shell, housing and the electronic equipment provided above the embodiment of the present application is described in detail, this Apply specific case in text to be set forth the principle and embodiment of the application, the explanation of above example is only intended to Help understands the application.Meanwhile for those skilled in the art, according to the thought of the application, in embodiment and answer With there will be changes in scope, in summary, this specification content should not be construed as the limitation to the application.

Claims

1. a kind of method for producing shell, the housing is used for electronic equipment, it is characterised in that the method for producing shell includes：

One housing is provided；

Spray painting at least once is carried out to the housing outer surface after the first time oxidation processes to handle, with the housing outer surface Form at least one layer of skin of paint；

Housing outer surface after handling the spray painting carries out machining processes, with the edge shape of the housing outer surface Into an at least arc area；

Second of oxidation processes is carried out to the arc area.

2. method for producing shell according to claim 1, it is characterised in that the outer surface to the housing carries out the After the step of once oxidation processing, the method for producing shell also includes：

First time coloring treatment is carried out to the housing outer surface after the first time oxidation processes, to cause the housing outer surface The first color is presented.

3. method for producing shell according to claim 1, it is characterised in that described to be carried out to the arc area second After the step of oxidation processes, the method for producing shell also includes：

The arc area after being aoxidized to described second carries out second of coloring treatment, to cause the arc area to present Second color.

4. according to the method for producing shell described in any one of claims 1 to 3, it is characterised in that described to the first time oxygen Housing outer surface after change processing carries out spray painting at least once and handled, including：

Once spray painting is carried out to the housing outer surface after the first time oxidation processes to handle, to be formed in the housing outer surface One layer of skin of paint.

5. method for producing shell according to claim 4, it is characterised in that it is described to the first time oxidation processes after After housing outer surface carries out the step of once spray painting processing, the method for producing shell also includes：

Housing outer surface after handling the once spray painting carries out once baking and handled, and one layer is formed in the housing outer surface Skin of paint.

6. according to the method for producing shell described in any one of claims 1 to 3, it is characterised in that described to the first time oxygen Housing outer surface after change processing carries out spray painting at least once and handled, including：

The processing of spray painting twice is carried out to the housing outer surface after the first time oxidation processes, to be formed in the housing outer surface Two layers of skin of paint.

7. method for producing shell according to claim 6, it is characterised in that it is described to the first time oxidation processes after Housing outer surface carries out the processing of spray painting twice, including：

First time spray painting processing is carried out to the housing outer surface after the first time oxidation processes；

Housing outer surface after handling the first time spray painting carries out first time baking processing, to form the in housing outer surface One skin of paint；

Housing outer surface after handling the first time baking carries out second of spray painting processing；

Housing outer surface after handling second of spray painting carries out second of baking processing, to form the in housing outer surface Two skin of paints, second skin of paint are formed on first skin of paint.

8. method for producing shell according to claim 7, it is characterised in that the thickness of second skin of paint is more than described The thickness of first skin of paint.

9. according to the method for producing shell described in any one of claims 1 to 3, it is characterised in that described to the outer of the housing Before surface carries out the step of first time oxidation processes, the method for producing shell also includes：

The housing outer surface is processed by shot blasting.

10. method for producing shell according to claim 9, it is characterised in that described to be thrown to the housing outer surface The step of light processing, includes：

The housing outer surface is processed by shot blasting by polishing.

11. method for producing shell according to claim 9, it is characterised in that described to be thrown to the housing outer surface After the step of light processing, the method for producing shell also includes：

Blasting treatment is carried out to the housing outer surface after the polishing.

12. according to the method for producing shell described in any one of claims 1 to 3, it is characterised in that described to the outer of the housing After surface carries out the step of first time oxidation processes, the method for producing shell also includes：

Physical vapour deposition (PVD) process is carried out to the housing outer surface after the first time oxidation processes, with the housing outer surface Form binder course.

13. a kind of housing, applied to electronic equipment, it is characterised in that the housing is using described in any one of claim 1 to 12 Method for producing shell formed.

14. a kind of housing, applied to electronic equipment, it is characterised in that the housing outer surface is described formed with the first oxide layer First oxide layer has the first color, and the edge of the housing outer surface includes an at least arc area, the arc area Formed with the second oxide layer, second oxide layer has the second color.

15. housing according to claim 14, it is characterised in that formed with the first skin of paint in first oxide layer, Formed with the second skin of paint on first skin of paint.

16. housing according to claim 15, it is characterised in that the thickness of second skin of paint is more than the described first oil The thickness of enamelled coating.

17. the housing according to claim 15 or 16, it is characterised in that first skin of paint and the second skin of paint are Bright skin of paint.

18. a kind of electronic equipment, it is characterised in that the electronic equipment includes housing, and the housing is claim 13 or 14 To the housing described in 17 any one.