WO2018113099A1 - 一种终端壳体的加工方法、终端壳体以及终端设备 - Google Patents

一种终端壳体的加工方法、终端壳体以及终端设备 Download PDF

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Publication number
WO2018113099A1
WO2018113099A1 PCT/CN2017/075636 CN2017075636W WO2018113099A1 WO 2018113099 A1 WO2018113099 A1 WO 2018113099A1 CN 2017075636 W CN2017075636 W CN 2017075636W WO 2018113099 A1 WO2018113099 A1 WO 2018113099A1
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WIPO (PCT)
Prior art keywords
protective layer
layer
color
processing method
design surface
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Application number
PCT/CN2017/075636
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English (en)
French (fr)
Inventor
张少辉
岳永保
冉涛
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201780005038.XA priority Critical patent/CN108476252B/zh
Publication of WO2018113099A1 publication Critical patent/WO2018113099A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets

Definitions

  • the present application relates to the field of metal processing technology, and in particular, to a method for processing a terminal housing, a terminal housing, and a terminal device.
  • metal casings are increasingly favored and sought after by consumers due to their excellent hand and texture; at the same time, due to the need for antenna and signal leakage, as well as earphone holes, USB holes, etc.
  • a hollow structure on the appearance surface of the metal casing such as an antenna cut-off groove, a headphone hole and a USB hole, and form a plastic layer in the hollow structure.
  • NMT Nano Molding Technology
  • the nano-injection technology perfectly achieves the high-strength combination of metal and plastic, but at the same time, it is easy to form an overflow glue on the edge of these hollow structures during the injection molding process. Affect the appearance of the appearance.
  • the edges of the hollow structures are reserved.
  • a certain machining allowance is produced so that after injection molding, the milling removes excess metal and polishes the polished metal surface.
  • the metal shell used in the injection molding is heavy, and the amount of metal to be removed by milling after injection molding is large and the cost is high.
  • a metal shell having a hollow structure is first processed, and then a plastic layer is formed in the hollow structure directly by a nano-injection process, and then the overflow gel is removed by a polishing method, but for the nano-injection process
  • the bonding strength between the plastic and the metal product is strong, so that the polishing and polishing efficiency is low, the cost is high, and the effect is poor when the overflow rubber is removed.
  • the main object of the present application is to provide a method for processing a terminal housing, a terminal housing, and a terminal device including the same, which can remove the overflow glue at low cost and high efficiency.
  • the present application provides a method for processing a terminal housing, comprising: forming a protective layer on an outer surface of a metal shell body, the material of the protective layer being an acid and alkali resistant material; and the metal forming the protective layer
  • the shell body is processed to form a hollow structure; a nano-injection process is used to form a plastic layer in the hollow structure; the overflow of the plastic layer is polished to remove the overflow glue; and the protective layer is removed.
  • the plastic layer is formed in the hollow structure, the appearance surface of the metal shell body is protected by the protective layer, the bonding strength between the glue and the metal is greatly reduced, and the overflow of the glue is facilitated, thereby enabling low cost and high efficiency. Remove the spill.
  • the material of the protective layer comprises at least one of paint and ink.
  • removing the protective layer comprises: removing the protective layer, or dissolving and removing the protective layer with a solvent.
  • the forming a plastic layer in the hollow structure by using a nano-injection process comprises: performing nano-microporous treatment on the appearance surface of the metal shell body, and on the inner surface of the hollow structure Forming an adhesive layer; the material of the adhesive layer includes a binder; plastic is injected into the hollow structure to form a plastic layer.
  • the processing method further comprises: performing surface treatment on the design surface.
  • the surface of the design surface is subjected to sandblasting and anodizing.
  • the hollow structure includes at least one of an antenna blocking slot, a headphone hole, a USB hole, and a speaker hole.
  • the present application provides a method for processing a terminal housing, comprising: forming a protective layer on a predetermined area of a design surface of the metal shell body, the protective layer being an acid-resistant and alkali-resistant material; and forming a protective layer
  • the surface is oxidized to form an oxide film layer on the surface of the surface of the design surface that is not covered by the protective layer, and the oxide film layer is colored and sealed to cover the surface of the surface that is not covered by the protective layer.
  • the area is dyed to a first color to form a first color layer; the protective layer is removed.
  • the appearance surface of the protective layer When the appearance surface of the protective layer is oxidized to form an adsorption hole, and the dye is adsorbed by the adsorption hole, the surface of the predetermined area on the appearance surface is protected by the protective layer, so that the appearance surface is protected.
  • the first color layer of the surface of the region not covered by the protective layer is relatively strong, and the color formed on the surface of the protective layer is easily peeled off, so that the contour of the first color layer formed is clear and distinct, so that The decorative appearance with different colors is formed on the same appearance surface, so that the appearance surface is more beautiful and neat.
  • the material of the protective layer is at least one of ink and paint.
  • removing the protective layer comprises: removing the protective layer, or dissolving and removing the protective layer with a solvent.
  • the processing method further includes: oxidizing the design surface on which the first color layer is formed, so that the first color is not on the design surface Forming an oxide film layer on the surface of the layer covering region, and coloring and sealing the oxide film layer to dye a second color in a region of the design surface not covered by the first color layer to form a second color layer .
  • the present application provides a method for processing a terminal housing, comprising: S1, forming a first protective layer on a designated area of a design surface of the metal shell body, the first protective layer being an acid-resistant and alkali-resistant material; And oxidizing the design surface on which the first protective layer is formed to form an oxide film layer on a surface of the surface of the design surface not covered by the first protective layer, and coloring and sealing the oxide film layer, Dyeing a region of the design surface that is not covered by the first protective layer into a first color to form a first color layer; S3, removing the first protective layer to expose a metal surface of a designated region of the design surface; S4 Forming a second protective layer on the surface of the designated area of the exposed surface of the metal surface, the second protective layer being an acid-resistant and alkali-resistant material; and S5, oxidizing the surface of the surface on which the second protective layer is formed to be on the metal surface Forming an oxide film layer on a surface of the exposed region not covered by the
  • the predetermined area of the design surface of the metal shell body is protected, and the area of the design surface not covered by the first protective layer is oxidized and dyed, and then the surface of the designated area is The sub-areas are protected one by one, and the unprotected areas are oxidized and dyed, so that the outlines of the respective areas are clear and distinct, so that decorative effects with a plurality of different colors can be formed on the same design surface, so that the appearance is more beautiful.
  • the present application provides a terminal housing obtained by processing according to the processing method provided by the first aspect or the second aspect.
  • the present application provides a terminal device including the terminal housing as provided above.
  • the terminal device is a mobile phone, a tablet computer, a digital camera, or a netbook.
  • any of the terminal housings provided above are processed by the corresponding methods provided above, and therefore, the beneficial effects that can be achieved can be referred to the beneficial effects in the corresponding methods provided above. , will not repeat them here.
  • FIG. 1 is a flow chart of a method for processing a terminal housing provided by the present application
  • FIG. 2 is a schematic structural view of forming a protective layer on a metal shell body according to the present application
  • Figure 3 is a cross-sectional view of the A-A' direction of Figure 2 provided by the present application.
  • FIG. 4 is a schematic structural view of a processing antenna according to FIG. 2 according to FIG. 2;
  • Figure 5 is a cross-sectional view of the AA' direction based on Figure 4 provided by the present application.
  • FIG. 6 is a schematic structural view of a hollow structure including a headphone hole, a USB hole, and a speaker hole provided by the present application;
  • FIG. 7 is a schematic structural view of forming a plastic layer in a hollow structure based on FIG. 5 according to the present application;
  • FIG. 8 is a schematic structural diagram of the present invention after removing the protective layer based on FIG. 7; FIG.
  • FIG. 9 is a flowchart of still another processing method of a terminal housing provided by the present application.
  • FIG. 10 is a flowchart of still another processing method of a terminal housing provided by the present application.
  • FIG. 11 is a schematic structural diagram of forming a protective layer on a preset area of a design surface according to the present application.
  • FIG. 12 is a schematic structural diagram of forming a first color layer on a surface of the design surface not covered by the protective layer according to FIG. 11 according to FIG. 11;
  • FIG. 13 is a schematic structural diagram of removing the protective layer based on FIG. 12 according to the present application.
  • FIG. 15 is a schematic structural diagram of forming a second color layer based on FIG. 13 according to the present application.
  • 16 is a flowchart of a method for processing a terminal housing provided by the present application.
  • FIG. 17 is a schematic structural view of forming a first protective layer in a designated area of a design surface according to the present application.
  • FIG. 18 is a schematic structural diagram of forming a first color layer based on FIG. 17 according to the present application.
  • FIG. 19 is a schematic structural diagram of removing a first protective layer based on FIG. 18 according to the present application.
  • FIG. 20 is a schematic structural view of forming a second protective layer in a designated region of a exposed surface of a metal surface according to FIG. 19 according to the present application;
  • FIG. 21 is not the second protective layer covered by the exposed surface of the metal surface according to FIG. 20 provided by the present application. a schematic view of the area of the cover forming a second color layer;
  • FIG. 22 is a schematic structural diagram of removing the second protective layer based on FIG. 21 according to the present application.
  • FIG. 23 is a schematic structural diagram of forming a third color layer based on FIG. 22 provided by the present application.
  • the present application provides a method for processing a terminal housing. Referring to FIG. 1, the method includes:
  • a protective layer 2 is formed on the design surface 1 of the metal shell body, and the material of the protective layer 2 is an acid-resistant and alkali-resistant material.
  • the metal shell body refers to a shell having a certain shape obtained by processing a metal material.
  • the metal shell body herein refers to Set the metal shell of the hollow structure.
  • the appearance surface 1 of the metal shell body is a surface that can be observed from the appearance as the name suggests.
  • the protective layer 2 is a surface coating that protects the design surface 1 of the metal shell body.
  • the protective layer 2 does not first react with the metal, and secondly, the performance of the protective layer 2 is relatively stable. Therefore, the material of the protective layer 2 is an acid-resistant and alkali-resistant material.
  • the ink and the paint have excellent acid and alkali resistance. Therefore, for example, the material of the protective layer 2 may include at least one of ink and paint.
  • the specific manner of forming the protective layer 2 on the design surface 1 of the metal shell body is not limited, and the protective layer 2 may be formed on the design surface 1 of the metal shell body by printing, spraying, silk screen printing or the like.
  • the metal shell body on which the protective layer 2 is formed is processed to form a hollow structure 3.
  • the hollow structure 3 refers to a structure formed by penetrating the metal shell body and the protective layer 2, such that the protective layer 2 and the metal shell body at the position of the hollow structure 3 are both removed by milling. Taking the hollow structure 3 processed on the mobile phone case as an antenna blocking groove (as shown in FIG. 5 ), the protective layer 2 and the metal shell body at the position of the antenna blocking slot are removed, thereby forming an antenna having a metal inner surface. Partition slot.
  • the specific structure of the hollow structure 3 is not limited.
  • the hollow structure 3 may include at least one of an antenna blocking slot, a headphone hole, a USB hole, and a speaker hole.
  • FIG. 6 is a schematic structural diagram of the hollow structure 3 including a headphone hole, a USB hole, and a speaker hole.
  • the metal shell body formed with the protective layer can be processed by computer numerical control technology to form the hollow structure 3.
  • a plastic layer 4 is formed in the hollow structure 3 by a nano-injection process.
  • the step specifically includes: performing nanopore treatment on the design surface 1 of the metal shell body, and forming an adhesive layer on the inner surface of the hollow structure 3; the material of the adhesive layer includes a binder; and the hollow structure 3 is injected into the plastic to form a plastic layer 4.
  • the structure of the corresponding plastic layer 4 is also different.
  • the plastic layer 3 fills the antenna cut-off groove;
  • the plastic layer 4 is a thin layer formed on the inner surface of the earphone hole or the USB hole.
  • the plastic layer 4 for different structures can be formed by different injection molding processes.
  • the plastic layer 4 is filled with the earphone hole by an injection molding process, and then removed by a milling process. Part of the plastic forms a headphone jack with a plastic inner surface.
  • the appearance surface 1 of the metal shell body can be subjected to nanopore treatment by acid etching.
  • the protective layer 2 at the position of the hollow structure 3 is removed, the remaining design surfaces are still covered by the protective layer 2, Therefore, when the appearance surface 1 of the metal shell body is subjected to nanopore treatment, the protective layer 2 can protect the appearance surface covered by the protective layer 2, and is formed only on the inner surface of the metal exposed by the hollow structure 3. Nano-micropores, such that an adhesive layer is formed on the inner surface of the metal exposed by the hollow structure 3, and plastic is injected into the hollow structure 3 to form a plastic layer 4, and the plastic can enter the nano-micropores to be close to the metal surface.
  • the combination of the remaining appearance surface is covered by the protective layer 2, which greatly reduces the bonding ability of the plastic to the rest of the design surface, so that the overflow glue is easily removed.
  • the overflow rubber 5 is formed on the surface of the protective layer, the bonding ability of the overflow rubber and the metal is greatly reduced, and therefore, the polishing removal efficiency is high, and the removal effect is good.
  • the step specifically includes: removing the protective layer 2, or dissolving and removing the protective layer 2 with a solvent.
  • the protective layer 2 may be polished while polishing and removing the overflow glue, and the protective layer 2 may also be removed together, or the protective layer 2 may be dissolved and removed by using a solvent after the overflow rubber is polished and removed. .
  • the solvent can be selected depending on the material of the protective layer 2 to be used.
  • the protective layer is an ink and the main component of the ink is a high-quality acrylic resin
  • the ink may be dissolved and removed using toluene or xylene.
  • the processing method further includes: S106, performing surface treatment on the design surface.
  • surface treatment of the design surface includes: sandblasting and anodizing the design surface.
  • the principle of sand blasting is to use the impact of high-speed sand flow to clean and roughen the surface of the workpiece, so that the mechanical properties of the surface of the material are improved, the fatigue resistance of the workpiece is improved, and the adhesion of the coating on the surface of the workpiece is enhanced, and the durability of the coating is prolonged. Sexuality also contributes to the leveling and decoration of the paint.
  • Anodizing refers to a material protection technique in which a metal material forms an oxide film on the surface thereof by applying an anode current in an electrolyte solution. After the surface anodization of the metal material or product, the corrosion resistance, hardness, wear resistance, insulation, heat resistance, etc. are greatly improved, so the anodizing treatment can be used as the final treatment process of the metal shell.
  • the anodized layer obtained by the anodizing treatment has a porous structure, it is easy to adsorb a dye and a colored substance, and thus it is possible to dye on the surface thereof to improve the decorativeness.
  • the surface of the design surface is surface-treated by sand blasting, the area where the plastic layer 4 is formed may be blocked.
  • the material of the plastic layer 4 is Insulation, therefore, does not involve protection and obstruction of the plastic layer 4.
  • the surface treatment of the design surface 1 may further include a laser engraving, and at least one of a character and a pattern may be formed on the design surface 1.
  • the present invention provides a method for processing a terminal housing.
  • the protective layer 2 is formed on the design surface 1 of the metal shell body, and the metal shell body on which the protective layer 2 is formed is processed to form a hollow structure 3.
  • the plastic layer 4 is formed in the hollow structure 3, the remaining design surface is covered by the protective layer 2, which greatly reduces the bonding strength between the glue and the metal, and facilitates the removal of the glue, thereby enabling the glue to be removed at low cost and high efficiency.
  • the present application provides a method for processing a terminal housing. Referring to FIG. 10, the method includes:
  • a protective layer 2 is formed on the predetermined area A of the design surface 1 of the metal shell body, and the protective layer 2 is an acid-resistant and alkali-resistant material.
  • the metal shell body refers to a shell having a certain shape obtained by processing a metal material.
  • the appearance surface 1 of the metal shell body is a surface that can be observed from the appearance as the name suggests.
  • the protective layer 2 is a coating that protects the appearance surface of the metal shell body.
  • the shape and coverage of the preset area A of the design surface are not limited. In practical applications, the shape and coverage of the preset area A may be determined as needed, because in step S202, The area of the design surface 1 that is not covered by the protective layer 2 forms a first color layer, that is, the first color layer is formed in the remaining area except the preset area A of the design surface. Therefore, the preset area may be formed.
  • the area of the graphic mark may also be a remaining area other than the graphic mark on the design surface.
  • the preset area is an area forming a graphic mark, the shape and coverage of the preset area are shaped and covered by the graphic mark.
  • the scope is determined.
  • the graphic mark can be at least one of a letter, a text, and a graphic.
  • the preset area A is an area forming a graphic mark.
  • the protective layer 2 does not first react with the metal, and secondly, the performance of the protective layer 2 is relatively stable. Therefore, the material of the protective layer 2 is an acid-resistant and alkali-resistant material.
  • the ink and the paint have excellent acid and alkali resistance. Therefore, for example, the material of the protective layer 2 may include at least one of ink and paint.
  • the specific manner of the protective layer 2 is not limited, and the protective layer 2 may be formed on the predetermined area A of the design surface 1 of the metal shell body by printing, spraying, silk screen printing or the like.
  • the protective layer 2 when the protective layer 2 is formed on the predetermined area A of the design surface 1 of the metal casing body by spraying, the remaining appearance surface on the metal shell body can be shielded by the covering object to avoid the protective layer. 2 Spray on the rest of the appearance.
  • the appearance surface on which the protective layer 2 is formed is oxidized to form an oxide film layer on the surface of the surface B of the design surface 1 not covered by the protective layer 2, and the oxide film layer is formed. Coloring and sealing treatment to dye the region B of the design surface 1 not covered by the protective layer 2 into a first color to form a first color layer 1'.
  • the oxidation treatment may be a chemical treatment or an anodization treatment, and an oxide film layer may be formed on the surface of the region B of the design surface 1 not covered by the protective layer 2, and the protective layer may not be present on the design surface. 2 coverage
  • the surface of the region B forms a porous structure, which is favorable for the adsorption of the dye and the colored substance.
  • the surface of the predetermined region A is covered by the protective layer 2, and it is not easy to adsorb the dye and the colored substance even if the first color layer is dyed.
  • the formed first color layer has a clear and distinct outline, which can form a significant contrast with other areas, so that a decorative effect with different colors can be formed on the design surface 1 to make the appearance surface 1 is more beautiful and tidy.
  • Anode treatment refers to a material protection technique in which a metal material forms an oxide film on the surface thereof by applying an anode current in an electrolyte solution.
  • the oxide film layer formed by chemical oxidation is much thinner than the oxide film layer formed by anodizing, has low corrosion resistance and hardness, is not easily colored, and has poor light resistance after coloring.
  • the anodizing treatment is the most used oxidation treatment method, and the color corrosion resistance and durability thereof are greatly improved.
  • the step specifically includes: removing the protective layer 2, or dissolving and removing the protective layer 2 with a solvent.
  • the solvent when the protective layer 2 is dissolved and removed by a solvent, the solvent may be selected according to the material of the protective layer 2 to be used.
  • the protective layer 2 when the protective layer 2 is an ink, the ink can be selected according to common knowledge.
  • the organic solvent dissolves and removes the protective layer, and an organic solvent having good ink dissolution properties can also be selected according to experiments.
  • the present invention provides a method for processing a terminal housing by forming a protective layer 2 on a predetermined area A of the design surface 1 of the metal shell body, and oxidizing the appearance surface on which the protective layer 2 is formed, in the appearance
  • An oxide film layer is formed on the surface of the surface B of the surface 1 not covered by the protective layer 2, and the oxide film layer is colored and sealed to be dyed in the region of the design surface not covered by the protective layer.
  • Forming the first color layer 1 ′ by color, and removing the protective layer, the first color layer 1 ′ having a well-defined shape can be formed on the design surface, and therefore, when the first color pattern is formed on the design surface When decorating, the outline of the pattern is clear and distinct, making the appearance more beautiful and tidy.
  • the preset area A when the preset area A is an area forming a graphic mark, after the protective layer is removed, the preset area A may be surface-treated according to actual needs (for example, drawing, laser engraving, electroplating, printing, Anodizing, etc., such that the graphic mark forms a contrasting effect with the remaining area on the design surface (for the first color) to decorate the design surface 1; and when the preset area A is the graphic mark on the design surface 1 When the remaining layer is removed, the surface of the preset area A may be surface-treated (for example, drawing, laser engraving, electroplating, printing, anodizing, etc.) according to actual needs to obtain a finished shell product.
  • actual needs for example, drawing, laser engraving, electroplating, printing, Anodizing, etc.
  • the processing method further includes: S204, referring to FIG. 15, forming the first color layer 1
  • the design surface 1 of the ' is oxidized to form an oxide film layer on the surface of the surface of the design surface 1 not covered by the first color layer 1', and the oxide film layer is colored and sealed to be
  • the area of the design surface 1 that is not covered by the first color layer 1' is dyed into a second color to form a second color layer 2'.
  • the “area of the design surface not covered by the first color layer 1′” herein refers to the preset area A.
  • the surface of the surface of the design surface 1 not covered by the first color layer 1' can be oxidized to a porous structure, and the porous structure is used to adsorb the dye and the colored
  • the substance can further improve the abrasion resistance of the design surface 1 and improve the adhesion property of the dye to avoid discoloration.
  • the present application provides a method for processing a terminal housing by forming a protective layer 2 on a predetermined area A of the design surface 1 of the metal shell body, and performing oxidation treatment on the design surface 1 on which the protective layer 2 is formed.
  • An oxide film layer is formed on a surface of the surface of the design surface not covered by the protective layer 2, and the oxide film layer is colored and sealed to dye the first color in a region of the design surface not covered by the protective layer.
  • the first color layer 1 ′ is formed, and the protective layer 2 is removed, so that the metal on the surface of the surface of the design surface 1 that does not cover the first color layer 1 ′ is exposed, and the first color layer 1 is not covered on the design surface.
  • the surface of the region is oxidized to an oxide film layer, and the oxide film layer is colored and sealed to form a second color on the surface of the design surface 1 that is not covered by the first color layer 1'.
  • the two color layers 2' such that the formed first color layer 1' and the second color layer 2' have a clear and distinct outline, and can form a distinct contrast effect, so that different colors can be formed on the design surface 1.
  • the decorative effect makes the appearance more beautiful. Jie.
  • the present application provides a method for processing a terminal housing, as shown in FIG. 16, including:
  • a first protective layer 21 is formed in a designated area A' of the design surface 1 of the metal shell body, and the first protective layer 21 is an acid-resistant and alkali-resistant material.
  • the metal shell body refers to a shell having a certain shape obtained by processing a metal material.
  • the appearance surface 1 of the metal shell body is a surface that can be observed from the appearance as the name suggests.
  • the appearance surface 1 refers to an outer surface of the mobile phone case.
  • the first protective layer 21 is a coating that protects the design surface 1 of the metal shell body.
  • the first protective layer 21 does not first react with the metal, and secondly, the performance of the first protective layer 21 is relatively stable. Therefore, the material of the first protective layer 21 is Acid and alkali resistant materials.
  • the ink and the paint have excellent acid and alkali resistance. Therefore, for example, the material of the first protective layer 21 may include at least one of ink and paint.
  • the first protective layer 21 is not limited in specific manner, and the first protective layer 21 may be formed on the designated area A' of the design surface 1 of the metal shell body by printing, spraying, silk screen printing or the like.
  • the remaining appearance surface on the metal shell body can be shielded by the covering object to avoid The first protective layer 21 is sprayed on the remaining design surface.
  • the appearance surface 1 on which the first protective layer 21 is formed is oxidized to form an oxide film layer on the surface of the surface B' of the design surface 1 not covered by the first protective layer 21, and
  • the oxide film layer is colored and sealed to dye the region B' of the design surface 1 not covered by the first protective layer 21 into a first color to form a first color layer 1'.
  • the step is the same as the specific operation method of the step S202 in the second embodiment.
  • the surface of the area not covered by the protective layer is dyed into the first color, and details are not described herein.
  • the first protective layer 21 is removed, and the metal surface of the designated area A' of the design surface 1 is exposed, and a schematic structural view as shown in FIG. 19 is obtained.
  • This step is basically the same as the specific operation method of step S203 in the second embodiment, and details are not described herein again.
  • a second protective layer 22 is formed in a designated region (represented by A 1 ') of the exposed portion of the metal surface, and the second protective layer 22 is an acid-resistant and alkali-resistant material.
  • the second protective layer 22 is similar to the first protective layer 21, and the description of the first protective layer 21 is as described above.
  • the design surface 1 on which the second protective layer 22 is formed is oxidized to be in a region of the exposed surface of the metal surface not covered by the second protective layer 22 (represented by A 2 ') Forming an oxide film layer on the surface, and coloring and sealing the oxide film layer to dye the region A 2 ' of the exposed surface of the metal surface not covered by the second protective layer 22 into a second color to form a second Color layer 2'.
  • step S202 in the second embodiment For the specific operation method, refer to step S202 in the second embodiment.
  • FIG. 23 a schematic structural view of forming a decorative effect having three colors on the design surface.
  • the exposed metal surface area is referred to as 'region represented by A 1 can be an exposed metal surface area'
  • a 1 is An oxide film layer is formed on the surface, and the oxide film layer is colored and sealed to dye the metal surface exposed area A 1 ' to a third color to form a third color layer 3'.
  • the present invention provides a method for processing a terminal housing, wherein a first protective layer 21 is formed on a designated area A' of a design surface of the metal shell body, and an appearance surface on which the first protective layer 21 is formed is oxidized. An oxide film layer is formed on a surface of the surface B' of the design surface that is not covered by the first protective layer 21, and the oxide film layer is colored and sealed to have no first protective layer on the design surface 1.
  • the covered area B' is dyed into a first color to form a first color layer 1', and the first protective layer 21 is removed, so that the metal on the surface of the designated area A' is exposed to form a exposed surface of the metal surface, at which time
  • the designated area A 1 ' of the exposed portion of the metal surface forms the second protective layer 22, and the surface of the surface on which the second protective layer 22 is formed is oxidized so as not to be covered by the second protective layer 22 in the exposed area of the metal surface
  • the surface of the region A 2 ' forms an oxide film layer, and the oxide film layer is colored and sealed to be dyed to a second color in the region A 2 ' of the exposed portion of the metal surface not covered by the second protective layer 22 And forming a second color layer 2', then Removing the second protective layer 22 such that the metal on the surface of the designated area A 1 ' is exposed to form a metal surface exposed area A 1 ', and continues to form a protective layer in a designated area of the exposed surface A 1 ' of the
  • the present application provides a terminal housing obtained by processing according to the processing methods provided in Embodiment 1, Embodiment 2, Embodiment 3 or Embodiment 3.
  • the present application provides a terminal housing.
  • a protective layer is formed on the design surface of the terminal housing, and the terminal is formed with a protective layer.
  • the shell is processed to form a hollow structure, and the plastic is injected into the hollow structure by a nano-injection process, and the protective layer can cover a portion outside the region where the hollow structure is formed on the design surface, so that the shell can be low.
  • the glue is removed efficiently and efficiently, and the appearance of the terminal housing obtained is more beautiful and tidy.
  • the protective layer is formed on a predetermined area of the design surface of the terminal housing, and the terminal housing is formed with the protective layer.
  • a porous structure can be formed on the surface of the surface of the design surface not covered by the protective layer, and dyed so that the surface of the surface of the design surface not covered by the protective layer has a strong absorbing power to the dye.
  • the surface of the predetermined area is covered by the protective layer, so that the decorative effect with different colors can be formed on the same surface, so that the appearance surface is more beautiful and neat.
  • An oxidation treatment capable of forming a porous structure on a surface of the surface of the design surface not covered by the first protective layer, and dyeing the surface of the surface of the design surface not covered by the first protective layer to form a first color a layer, and the designated area of the design surface is covered by the first protective layer, so that after the first protective layer is removed, the second protective layer can be continuously formed in a designated area of the metal exposed area, and according to the above steps
  • the surface of the exposed portion of the metal exposed area that is not covered by the second protective layer forms a second color layer, so that the above steps are continuously repeated, and an appearance decorative effect having a different color can be formed on the same surface, so that the appearance surface is more beautiful and tidy.
  • the application provides a terminal device including a terminal housing as provided above.
  • the type of the terminal device is not limited.
  • the terminal device can be a mobile phone, a tablet, a digital camera or a netbook.

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  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Signal Processing (AREA)
  • Casings For Electric Apparatus (AREA)
  • Laminated Bodies (AREA)
  • Telephone Set Structure (AREA)

Abstract

本申请涉及金属加工技术领域，尤其涉及一种终端壳体的加工方法、终端壳体以及终端设备。能够低成本、高效率地去除溢胶。本申请提供一种终端壳体的加工方法，包括：在金属壳本体的外观面上形成保护层，该保护层的材料为耐酸耐碱型材料；对形成有保护层的该金属壳本体进行加工处理，形成镂空结构；采用纳米注塑工艺，在该镂空结构中形成塑胶层；对溢胶进行打磨，以去除溢胶；去除该保护层。本申请实施例用于终端壳体以及终端设备的生产制造。

Description

一种终端壳体的加工方法、终端壳体以及终端设备
本申请要求于2016年12月22日提交中国专利局、申请号为201611199874.X、发明名称为“一种去除纳米注塑溢胶的方法”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及金属加工技术领域，尤其涉及一种终端壳体的加工方法、终端壳体以及终端设备。
背景技术
在电子设备领域，特别是移动终端设备，金属壳体由于其优良的手感和质感，越来越受到消费者的偏爱和追捧；同时，由于天线和信号泄漏的需要，以及耳机孔、USB孔等设置的需要，通常需要在金属壳体外观面上做镂空结构，例如天线隔断槽、耳机孔和USB孔，并在该镂空结构中形成塑胶层。目前，最常用的技术是纳米注塑技术(Nano Molding Technology,NMT)，纳米注塑技术完美的实现了金属与塑胶的高强度结合，但同时注塑成型过程中容易在这些镂空结构的边缘形成溢胶，影响外观面的美观。
在现有技术中，为了防止或者去除溢胶，主要采用如下两种技术方案，在其中一个技术方案中，在采用纳米注塑工艺在镂空结构中形成塑胶层之前，在这些镂空结构的边缘预留出一定的加工余量，这样，在注塑成型之后，铣削去除多余的金属，并打磨抛光金属表面。在此过程中，由于预留一定的加工余量，使得在进行注塑成型时所使用的金属壳重量大，并且，在注塑成型之后需要铣削去除的金属量大，成本较高。在另一个技术方案中，先加工形成具有镂空结构的金属壳，再直接通过纳米注塑工艺在该镂空结构中形成塑胶层，而后，采用打磨抛光的方法将溢胶去除，但是，对于纳米注塑工艺来说，在对该金属壳进行纳米微孔处理之后，塑胶与金属制品的结合力较强，使得在去除溢胶时打磨抛光效率低，成本高，且效果欠佳。
发明内容
本申请的主要目的在于，提供一种终端壳体的加工方法、终端壳体以及包含该壳体的终端设备，能够低成本、高效率地去除溢胶。
为达到上述目的，本专利申请采用如下技术方案：
第一方面，本申请提供一种终端壳体的加工方法，包括：在金属壳本体的外观面上形成保护层，该保护层的材料为耐酸耐碱型材料；对形成有保护层的该金属壳本体进行加工处理，形成镂空结构；采用纳米注塑工艺，在该镂空结构中形成塑胶层；对塑胶层的溢胶进行打磨，以去除溢胶；去除该保护层。能够在该镂空结构中形成塑胶层时，通过保护层对金属壳本体的外观面进行保护，大大降低了溢胶与金属的结合强度，有利于溢胶的去除，从而能够低成本、高效率地去除溢胶。
第一方面的一种可能的实现方式中，该保护层的材料包括油漆、油墨中的至少一种。
第一方面的一种可能的实现方式中，去除该保护层，包括：将该保护层打磨去除，或者，用溶剂将该保护层溶解去除。
第一方面的一种可能的实现方式中，采用纳米注塑工艺，在该镂空结构中形成塑胶层，包括：对该金属壳本体的外观面进行纳米微孔处理，并在该镂空结构的内表面形成粘合层；该粘合层的材料包括粘合剂；在该镂空结构中注入塑胶，形成塑胶层。
第一方面的一种可能的实现方式中，去除该保护层后，该加工方法还包括：对该外观面进行表面处理。
第一方面的一种可能的实现方式中，对该外观面进行表面处理，包括：对该外观面进行喷砂、阳极化处理。
第一方面的一种可能的实现方式中，该镂空结构包括：天线隔断槽、耳机孔、USB孔和扬声器孔中的至少一个。
第二方面，本申请提供一种终端壳体的加工方法，包括：在金属壳本体的外观面的预设区域形成保护层，该保护层为耐酸耐碱型材料；对形成有保护层的外观面进行氧化处理，以在该外观面的未被保护层覆盖的区域表面形成氧化膜层，并对该氧化膜层进行着色和封孔处理，以将该外观面的未被该保护层覆盖的区域染成第一颜色，形成第一颜色层；去除该保护层。能够在对形成有保护层的外观面进行氧化处理形成吸附孔，并通过该吸附孔吸附染料或者色素进行染色时，通过该保护层对外观面上的预设区域表面进行保护，使得该外观面的未被该保护层覆盖的区域表面的第一颜色层较为牢固，而形成在该保护层表面上的颜色容易脱落，从而使得所形成的第一颜色层的轮廓清晰、分明，所以，能够在同一外观面上形成具有不同颜色的外观装饰效果，使得外观面更加美观，整洁。
第二方面的一种可能的实现方式中，该保护层的材料为油墨、油漆中的至少一种。
第二方面的一种可能的实现方式中，去除该保护层，包括：将该保护层打磨去除，或者，用溶剂将该保护层溶解去除。
第二方面的一种可能的实现方式中，去除该保护层之后，该加工方法还包括：对形成有第一颜色层的外观面进行氧化处理，以在该外观面的未被该第一颜色层覆盖的区域表面形成氧化膜层，并对该氧化膜层进行着色和封孔处理，以在该外观面的未被该第一颜色层覆盖的区域染成第二颜色，形成第二颜色层。
第三方面，本申请提供一种终端壳体的加工方法，包括：S1、在金属壳本体的外观面的指定区域形成第一保护层，该第一保护层为耐酸耐碱型材料；S2、对形成有该第一保护层的外观面进行氧化处理，以在该外观面的未被该第一保护层覆盖的区域表面形成氧化膜层，并对该氧化膜层进行着色和封孔处理，以将该外观面的未被该第一保护层覆盖的区域染成第一颜色，形成第一颜色层；S3、去除该第一保护层，使该外观面的指定区域的金属表面外露；S4、在金属表面外露区域的指定区域表面形成第二保护层，该第二保护层为耐酸耐碱型材料；S5、对形成有该第二保护层的外观面进行氧化处理，以在该金属表面外露区域的未被该第二保护层覆盖的区域表面形成氧化膜层，并对该氧化膜层进行着色和封孔处理，以将该预设区域的未被该第二保护层覆盖的区域染成第二颜色，形成第二颜色层；S6、去除该第二保护层；S7、重复上述步骤S4、步骤S5和步骤S6，直至在该金属壳本体的外观面上形成 至少三种不同颜色的装饰效果。在此过程中，通过对该金属壳本体的外观面的预设区域进行保护，并对外观面的未被第一保护层覆盖的区域进行氧化处理并进行染色，而后再对该指定区域的表面分区域逐一进行保护，并对未保护的区域进行氧化处理并染色，使得各个区域的轮廓清晰、分明，从而能够在同一外观面上形成具有多种不同颜色的装饰效果，使得外观面更加美观、整洁；同时，通过氧化处理并染色所形成的各个颜色层较为牢固，不易脱落。
第四方面，本申请提供一种终端壳体，采用如第一方面或者第二方面提供的加工方法加工获得。
第五方面，本申请提供一种终端设备，包括如上提供的终端壳体。
第五方面的一种可能的实现方式中，该终端设备为手机、平板电脑、数码相机或者上网本。
可以理解地，上述提供的任一种终端壳体，均采用上文所提供的对应的方法加工获得，因此，其所能达到的有益效果可参考上文所提供的对应的方法中的有益效果，此处不再赘述。
附图说明
图1为本申请提供的一种终端壳体的加工方法的流程图；
图2为本申请提供的一种在金属壳本体上形成保护层的结构示意图；
图3为本申请提供的基于图2的A-A’方向的剖视图；
图4为本申请提供的基于图2加工天线隔断槽的结构示意图；
图5为本申请提供的基于图4的A-A’方向的剖视图；
图6为本申请提供的一种镂空结构包括耳机孔、USB孔和扬声器孔的结构示意图；
图7为本申请提供的基于图5在镂空结构中形成塑胶层的结构示意图；
图8为本申请提供的基于图7的去除该保护层后的结构示意图；
图9为本申请提供的又一种终端壳体的加工方法的流程图；
图10为本申请提供的又一种终端壳体的加工方法的流程图；
图11为本申请提供的一种在外观面的预设区域形成保护层的结构示意图；
图12为本申请提供的基于图11的在该外观面的未被该保护层覆盖的区域形成第一颜色层的结构示意图；
图13为本申请提供的基于图12的去除该保护层的结构示意图；
图14为本申请提供的又一种终端壳体的加工方法的流程图；
图15为本申请提供的一种基于图13的形成第二颜色层的结构示意图；
图16为本申请提供的再一种终端壳体的加工方法的流程图；
图17为本申请提供的一种在外观面的指定区域形成第一保护层的结构示意图；
图18为本申请提供的基于图17的形成第一颜色层的结构示意图；
图19为本申请提供的基于图18的去除第一保护层的结构示意图；
图20为本申请提供的基于图19的在金属表面外露区域的指定区域形成第二保护层的结构示意图；
图21为本申请提供的基于图20的在金属表面外露区域的未被该第二保护层覆 盖的区域形成第二颜色层的结构示意图；
图22为本申请提供的基于图21的去除该第二保护层的结构示意图；
图23为本申请提供的基于图22的形成第三颜色层的结构示意图。
其中，金属壳本体的外观面-1；保护层-2；镂空结构-3；塑胶层-4；外观面的预设区域-A；外观面的未被保护层覆盖的区域-B；第一颜色层-1'；第二颜色层-2'；外观面的指定区域-A'；外观面的未被第一保护层覆盖的区域-B'；金属表面外露区域的指定区域-A1'；第一保护层-21；金属表面外露区域的未被第二保护层覆盖的区域-A2'；第二保护层-22；第三颜色层-3'。
具体实施方式
下面将结合附图，对本申请的实施例进行详细描述。
实施例一
本申请提供一种终端壳体的加工方法，参见图1，包括：
S101、参见图2与图3，在金属壳本体的外观面1上形成保护层2，该保护层2的材料为耐酸耐碱型材料。
其中，金属壳本体是指通过金属材料加工获得的具有一定形状的壳体，在这里，由于在S102是对该金属壳本体进行加工处理，形成镂空结构，因此，这里的金属壳本体是指未设置镂空结构的金属壳。该金属壳本体的外观面1顾名思义是从外观上可以观察到的表面。该保护层2是对该金属壳本体的外观面1起保护作用的表面覆层。
为了对该金属壳本体的外观面1进行保护，该保护层2首先不与金属发生反应，其次，该保护层2的性能较为稳定，因此，该保护层2的材料为耐酸耐碱型材料。
在实际应用中，油墨、油漆具有优良的耐酸耐碱性能，因此，示例性的，该保护层2的材料可以包括油墨、油漆中的至少一种。
其中，对在金属壳本体的外观面1上形成保护层2的具体方式不做限定，可以通过印刷、喷涂、丝印等方式将该保护层2形成在该金属壳本体的外观面1上。
S102、参见图4-6，对形成有该保护层2的该金属壳本体进行加工处理，形成镂空结构3。
该镂空结构3是指穿透该金属壳本体以及保护层2所形成的结构，这样，该镂空结构3所在位置处的保护层2和金属壳本体均被铣削去除。以手机壳体上加工的镂空结构3为天线隔断槽(如图5所示)为例，该天线隔断槽位置处的保护层2和金属壳本体被去除，因此，形成具有金属内表面的天线隔断槽。
其中，对该镂空结构3的具体结构不做限定，示例性的，该镂空结构3可以包括天线隔断槽、耳机孔、USB孔和扬声器孔中的至少一种。其中，如图6所示为该镂空结构3包括耳机孔、USB孔和扬声器孔的结构示意图。
其中，可以通过计算机数字控制技术对形成有保护层的该金属壳本体进行加工，以形成该镂空结构3。
S103、参见图7，采用纳米注塑工艺，在该镂空结构3中形成塑胶层4。
该步骤，具体包括：对该金属壳本体的外观面1进行纳米微孔处理，并在该镂空结构3的内表面形成粘合层；该粘合层的材料包括粘合剂；在该镂空结构3中注入塑胶，形成塑胶层4。
其中，针对不同的镂空结构3，所对应的塑胶层4的结构也有所不同，示例性的，当该镂空结构3为天线隔断槽时，该塑胶层3填满该天线隔断槽；当该镂空结构3为耳机孔或者USB孔时，该塑胶层4为形成在该耳机孔或者USB孔内表面的一薄层。针对不同结构的塑胶层4，可以通过不同的注塑工艺形成，示例性的，当需要在耳机孔内表面形成塑胶层4时，先采用注塑工艺将塑胶填充满该耳机孔，而后采用铣削工艺去除部分塑胶，形成具有塑胶内表面的耳机插孔。
其中，可以通过酸腐蚀对该金属壳本体的外观面1进行纳米微孔处理，这时，由于镂空结构3所在位置处的保护层2被去除，而其余外观面仍然被该保护层2覆盖，因此，在对该金属壳本体的外观面1进行纳米微孔处理时，该保护层2能够对其所覆盖的外观面起到保护作用，仅在该镂空结构3所露出来的金属内表面形成纳米微孔，这样，在该镂空结构3所露出来的金属内表面形成粘合层，并在该镂空结构3中注入塑胶，形成塑胶层4时，塑胶能够进入纳米微孔中与金属表面紧密结合，而其余外观面被保护层2所遮盖，大大降低了塑胶与其余外观面的结合能力，所以，溢胶容易去除。
S104、继续参见图7，对塑胶层4的溢胶5进行打磨，以去除溢胶5。
由于溢胶5形成在该保护层的表面，大大降低了溢胶与金属的结合能力，因此，打磨去除的效率较高，去除效果较好。
S105、去除该保护层2，获得如图8所示的结构示意图。
该步骤，具体包括：将该保护层2打磨去除，或者，用溶剂将该保护层2溶解去除。
在实际操作中，可以在打磨去除溢胶的同时，对保护层2进行打磨，将保护层2也一同去除，也可以在对溢胶进行打磨去除之后，再用溶剂将该保护层2溶解去除。
其中，当用溶剂将该保护层2溶解去除时，可以根据所选用的保护层2的材料来选择溶剂。示例性的，当该保护层为油墨，且该油墨的主要成分为高质丙烯酸树脂时，可以采用甲苯或者二甲苯将该油墨溶解去除。
进一步的，如图9所示，去除该保护层2后，该加工方法还包括：S106、对该外观面进行表面处理。
其中，对该外观面1进行表面处理的方式多种多样，可以根据实际需求对该外观面进行表面处理，以获得所需要的外观装饰效果。
示例性的，对该外观面进行表面处理，包括：对该外观面进行喷砂、阳极化处理。
喷砂的原理是利用高速砂流的冲击来清理，粗化工件表面，从而使材料表面的机械性能得到改善，提高了工件的抗疲劳性，并且增强工件表面涂料的附着性，延长了涂料的耐久性，也有利于涂料的流平和装饰。
阳极化处理是指金属材料在电解质溶液中，通过外施阳极电流使其表面形成氧化膜的一种材料保护技术。金属材料或制品经过表面阳极化处理后，其耐蚀性、硬度、耐磨性、绝缘性、耐热性等均有大幅度提高，因此阳极化处理可以作为金属壳最终的处理工艺。
另外，由于阳极化处理所获得阳极氧化层具有多孔结构，容易吸附染料和有色物质，因而可在其表面进行染色，提高其装饰性。
其中，需要说明的是，在通过喷砂对该外观面进行表面处理时，可以对形成该塑胶层4的区域进行遮挡，在对该外观面进行阳极化处理时，由于该塑胶层4的材料绝缘，因此，并不涉及对该塑胶层4的保护和遮挡。
当然，需要说明的是，对该外观面1进行表面处理还可以包括镭雕，可以在该外观面1上形成文字和图案中的至少一个。
本申请提供一种终端壳体的加工方法，通过在金属壳本体的外观面1上形成保护层2，再对形成有保护层2的该金属壳本体进行加工处理，形成镂空结构3，在该镂空结构3中形成塑胶层4时，其余外观面被该保护层2覆盖，大大降低了溢胶与金属的结合强度，有利于溢胶的去除，从而能够低成本、高效率地去除溢胶。
实施例二
本申请提供一种终端壳体的加工方法，参见图10，包括：
S201、参见图11，在金属壳本体的外观面1的预设区域A形成保护层2，该保护层2为耐酸耐碱型材料。
其中，金属壳本体是指通过金属材料加工获得的具有一定形状的壳体。该金属壳本体的外观面1顾名思义是从外观上可以观察到的表面。该保护层2是对该金属壳本体的外观面起保护作用的覆层。
其中，对该外观面的预设区域A的形状和覆盖范围不做限定，在实际应用中，可以根据需要对该预设区域A的形状和覆盖范围进行确定，由于在步骤S202中，是在该外观面1的未被该保护层2覆盖的区域形成第一颜色层，也就是在该外观面的预设区域A以外的其余区域形成第一颜色层，因此，该预设区域可以为形成图形标记的区域，也可以为该外观面上形成图形标记以外的其余区域，当该预设区域为形成图形标记的区域时，该预设区域的形状和覆盖范围由该图形标记的形状和覆盖范围来确定。该图形标记可以为字母、文字和图形中的至少一个。
在本申请的一示例中，如图11所示，该预设区域A为形成图形标记的区域。
为了对该金属壳本体的外观面1进行保护，该保护层2首先不与金属发生反应，其次，该保护层2的性能较为稳定，因此，该保护层2的材料为耐酸耐碱型材料。
在实际应用中，油墨、油漆具有优良的耐酸耐碱性能，因此，示例性的，该保护层2的材料可以包括油墨、油漆中的至少一种。
其中，对该保护层2具体方式不做限定，可以通过印刷、喷涂、丝印等方式在该金属壳本体的外观面1的预设区域A形成保护层2。
示例性的，当通过喷涂的方式在该金属壳体本体的外观面1的预设区域A形成保护层2时，可以用遮挡物对该金属壳本体上的其余外观面进行遮挡，避免保护层2喷涂在其余外观面上。
S202、参见图12，对形成有该保护层2的外观面进行氧化处理，以在该外观面1的未被该保护层2覆盖的区域B表面形成氧化膜层，并对该氧化膜层进行着色和封孔处理，以将该外观面1的未被该保护层2覆盖的区域B染成第一颜色，形成第一颜色层1'。
其中，氧化处理可以为化学处理，也可以为阳极化处理，通过在该外观面1的未被该保护层2覆盖的区域B表面形成氧化膜层，能够在该外观面的未被该保护层2覆盖 的区域B表面形成多孔结构，有利于染料和有色物质的吸附，同时，该预设区域A的表面被该保护层2所遮盖，不容易吸附染料和有色物质，即使染上第一颜色层1'也很容易脱落；因此，所形成的第一颜色层的轮廓清晰、分明，能够与其他区域形成明显的对比效果，从而能够在该外观面1上形成具有不同颜色的装饰效果，使外观面1更加美观，整洁。
阳极处理是指金属材料在电解质溶液中，通过外施阳极电流使其表面形成氧化膜的一种材料保护技术。
化学氧化所形成的氧化膜层与阳极化处理所形成的氧化膜层相比，膜薄得多，抗蚀性和硬度比较低，而且不易着色，着色后的耐光性差。目前，阳极化处理为使用最多的氧化处理方式，其所形成的颜色耐蚀性和耐久性均有大幅度提高。
S203、去除该保护层2，获得如图13所示的结构示意图。
该步骤，具体包括：将该保护层2打磨去除，或者，用溶剂将该保护层2溶解去除。
其中，在用溶剂将该保护层2溶解去除时，可以根据所选用的该保护层2的材料来选择溶剂，例如，当该保护层2为油墨时，可以根据常识选用对油墨溶解性能良好的有机溶剂将该保护层溶解去除，也可以根据实验选取对油墨溶解性能良好的有机溶剂。
本申请提供一种终端壳体的加工方法，通过在金属壳本体的外观面1的预设区域A形成保护层2，并对形成有该保护层2的外观面进行氧化处理，以在该外观面1的未被该保护层2覆盖的区域B表面形成氧化膜层，并对该氧化膜层进行着色和封孔处理，以在该外观面的未被该保护层覆盖的区域染成第一颜色而形成第一颜色层1'，再去除该保护层，能够在该外观面上形成轮廓分明的第一颜色层1'，因此，当在该外观面上形成第一颜色的图案对外观面进行装饰时，该图案的轮廓清晰、分明，使得该外观面更加美观、整洁。
需要说明的是，当该预设区域A为形成图形标记的区域时，去除该保护层之后，可以根据实际需要对该预设区域A进行表面处理(例如：拉丝、镭雕、电镀、印刷、阳极化处理等)，使得该图形标记与该外观面上的其余区域(为第一颜色)形成对比效果，来对外观面1进行装饰；而当预设区域A为该外观面1上图形标记以外的其余区域时，去除该保护层之后，可以根据实际需要对该预设区域A表面处理(例如：拉丝、镭雕、电镀、印刷、阳极化处理等)，以获得壳体成品。
实施例三
本申请的又一实施例中，在实施例二的基础上，如图14所示，去除该保护层之后，该加工方法还包括：S204、参见图15，对形成有该第一颜色层1'的外观面1进行氧化处理，以在该外观面1的未被该第一颜色层1'覆盖的区域表面形成氧化膜层，并对该氧化膜层进行着色和封孔处理，以在该外观面1的未被该第一颜色层1'覆盖的区域染成第二颜色，形成第二颜色层2'。
需要说明的是，这里的“该外观面的未被该第一颜色层1'覆盖的区域”是指该预设区域A。
通过对形成有第一颜色层1'的外观面1进行氧化处理，能够将该外观面1的未被该第一颜色层1'覆盖的区域表面氧化为多孔结构，利用多孔结构吸附染料和有色物质，能够进一步提高该外观面1的耐磨性，并提高染料的附着性能，避免脱色。
本申请提供一种终端壳体的加工方法，通过在金属壳本体的外观面1的预设区域A形成保护层2，并对形成有该保护层2的外观面1进行氧化处理，以在该外观面的未被该保护层2覆盖的区域表面形成氧化膜层，并对该氧化膜层进行着色和封孔处理，以在该外观面的未被该保护层覆盖的区域染成第一颜色而形成第一颜色层1'，再去除该保护层2，使得该外观面1上未覆盖该第一颜色层1'的区域表面的金属露出，将外观面上未覆盖该第一颜色层1'的区域表面氧化为氧化膜层，并对该氧化膜层进行着色和封孔处理，以在该外观面1上未被该第一颜色层1'覆盖的区域染成第二颜色，形成第二颜色层2'，这样，所形成的第一颜色层1'和第二颜色层2'的轮廓清晰、分明，能够形成明显的对比效果，从而能够在该外观面1上形成具有不同颜色的装饰效果，使得该外观面更加美观、整洁。
实施例四
本申请提供一种终端壳体的加工方法，如图16所示，包括：
S1、参见图17，在金属壳本体的外观面1的指定区域A'形成第一保护层21，该第一保护层21为耐酸耐碱型材料。
其中，该金属壳本体是指通过金属材料加工获得的具有一定形状的壳体。该金属壳本体的外观面1顾名思义是从外观上可以观察到的表面。示例性的，当该金属壳本体为手机壳体时，该外观面1就是指手机壳体的外表面。该第一保护层21是对该金属壳本体的外观面1起保护作用的覆层。
为了对该金属壳本体的外观面1进行保护，该第一保护层21首先不与金属发生反应，其次，该第一保护层21的性能较为稳定，因此，该第一保护层21的材料为耐酸耐碱型材料。
在实际应用中，油墨、油漆具有优良的耐酸耐碱性能，因此，示例性的，该第一保护层21的材料可以包括油墨、油漆中的至少一种。
其中，对该第一保护层21具体方式不做限定，可以通过印刷、喷涂、丝印等方式在该金属壳本体的外观面1的指定区域A'形成第一保护层21。
示例性的，当通过喷涂的方式在该金属壳体本体的外观面1的指定区域A'形成第一保护层21时，可以用遮挡物对该金属壳本体上的其余外观面进行遮挡，避免该第一保护层21喷涂在其余外观面上。
S2、参见图18，对形成有该第一保护层21的外观面1进行氧化处理，以在该外观面1的未被该第一保护层21覆盖的区域B'表面形成氧化膜层，并对该氧化膜层进行着色和封孔处理，以将该外观面1的未被该第一保护层21覆盖的区域B'染成第一颜色，形成第一颜色层1'。
其中，该步骤与实施例二中步骤S202的具体操作方法基本相同，都是将未被保护层覆盖的区域表面染成第一颜色，在此不再赘述。
S3、去除该第一保护层21，使该外观面1的指定区域A'的金属表面外露，获得如图19所示的结构示意图。
该步骤与实施例二中步骤S203的具体操作方法基本相同，在此不再赘述。
S4、参见图20，在金属表面外露区域的指定区域(用A1'来表示)形成第二保护层22，该第二保护层22为耐酸耐碱型材料。
其中，该第二保护层22与第一保护层21的形成方式和材料类似，具体可参见如上对第一保护层21的描述。
S5、参见图21，对形成有该第二保护层22的外观面1进行氧化处理，以在该金属表面外露区域的未被该第二保护层22覆盖的区域(用A2'来表示)表面形成氧化膜层，并对该氧化膜层进行着色和封孔处理，以将该金属表面外露区域的未被该第二保护层22覆盖的区域A2'染成第二颜色，形成第二颜色层2'。
具体操作方法可参见如实施例二中步骤S202。
S6、去除该第二保护层22，获得如图22所示的结构示意图。
S7、重复上述步骤S4、步骤S5和步骤S6，直至在该外观面1上形成具有至少三种颜色的装饰效果。
示例性的，参见图23，为在该外观面上形成具有三种颜色的装饰效果的结构示意图。
具体的，在去除该第二保护层22之后，直接对该外观面1进行氧化处理，这时，金属表面外露区域是指A1'所表示的区域，能够在金属表面外露区域A1'的表面形成氧化膜层，并对该氧化膜层进行着色和封孔处理，以将该金属表面外露区域A1'染成第三颜色，形成第三颜色层3'。
本申请提供一种终端壳体的加工方法，通过在金属壳本体的外观面的指定区域A’形成第一保护层21，并对形成有该第一保护层21的外观面进行氧化处理，以在该外观面的未被该第一保护层21覆盖的区域B'表面形成氧化膜层，并对该氧化膜层进行着色和封孔处理，以在该外观面1的未被第一保护层21覆盖的区域B'染成第一颜色而形成第一颜色层1'，再去除该第一保护层21，使得该指定区域A'表面的金属外露形成金属表面外露区域，这时，在该金属表面外露区域的指定区域A1'形成第二保护层22，并对形成有第二保护层22的外观面进行氧化处理，以在该金属表面外露区域的未被该第二保护层22覆盖的区域A2'表面形成氧化膜层，并对该氧化膜层进行着色和封孔处理，以在该金属表面外露区域的未被第二保护层22覆盖的区域A2'染成第二颜色而形成第二颜色层2'，这时，去除该第二保护层22，使得该指定区域A1'表面的金属外露，形成金属表面外露区域A1'，并继续在金属表面外露区域A1'的指定区域形成保护层，并进行氧化与染色处理，直至在同一外观面上形成具有不同颜色的外观装饰效果，这样能够使各个颜色层所构成的轮廓清晰、分明，从而使得该外观面更加美观、整洁。
本申请提供一种终端壳体，采用如实施例一、实施例二、实施例三或者实施例三提供的加工方法加工获得。
本申请提供一种终端壳体，当该终端壳体采用如实施例一提供的加工方法加工获得时，通过在该终端壳体的外观面上形成保护层，再对形成有保护层的该终端壳体进行加工形成镂空结构，并通过纳米注塑工艺在该镂空结构中注入塑胶，该保护层能够对该外观面上处形成镂空结构所在区域外的部分进行遮盖，这样，能够低成 本、高效率地去除溢胶，并且所获得的该终端壳体的外观面更加美观、整洁。当该终端壳体采用如实施例二或者实施例三提供的加工方法加工获得时，通过在该终端壳体的外观面的预设区域形成保护层，再对形成有保护层的该终端壳体进行氧化处理，能够在该外观面的未被该保护层覆盖的区域表面形成多孔结构，并对其进行染色，使得该外观面的未被该保护层覆盖的区域表面对染料的吸着力较强，而该预设区域的表面被该保护层所遮盖，这样，能够在同一表面形成具有不同颜色的外观装饰效果，使得该外观面更加美观，整洁。当该终端壳体采用如实施例四提供的加工方法加工获得时，通过在该终端壳体的外观面的指定区域形成第一保护层，再对形成有第一保护层的该终端壳体进行氧化处理，能够在该外观面的未被该第一保护层覆盖的区域表面形成多孔结构，并对其进行染色，使得该外观面的未被该第一保护层覆盖的区域表面形成第一颜色层，而该外观面的指定区域被该第一保护层所遮盖，这样，能够在去除该第一保护层之后，在金属外露区域的指定区域继续形成第二保护层，并依照以上步骤在该金属外露区域的未被该第二保护层覆盖的区域表面形成第二颜色层，这样不断重复以上步骤，能够在同一表面形成具有不同颜色的外观装饰效果，使得该外观面更加美观、整洁。
本申请提供一种终端设备，包括如上提供的终端壳体。
其中，对该终端设备的种类不做限定。
示例性的，该终端设备可以为手机、平板电脑、数码相机或者上网本。
最后应说明的是：以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何在本申请揭露的技术范围内的变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (14)

  1. 一种终端壳体的加工方法，其特征在于，包括：
    在金属壳本体的外观面上形成保护层，所述保护层的材料为耐酸耐碱型材料；
    对形成有所述保护层的所述金属壳本体进行加工处理，形成镂空结构；
    采用纳米注塑工艺，在所述镂空结构中形成塑胶层；
    对塑胶层的溢胶进行打磨，以去除溢胶；
    去除所述保护层。
  2. 根据权利要求1所述的加工方法，其特征在于，所述保护层的材料包括油漆、油墨中的至少一种。
  3. 根据权利要求1所述的加工方法，其特征在于，去除所述保护层，包括：
    通过打磨抛光工艺去除所述保护层，或者，用溶剂将所述保护层溶解去除。
  4. 根据权利要求1所述的加工方法，其特征在于，采用纳米注塑工艺，在所述镂空结构中形成塑胶层，包括：
    对所述金属壳本体的外观面进行纳米微孔处理，并在所述镂空结构的内表面形成粘合层；所述粘合层的材料包括粘合剂；
    在所述镂空结构中注入塑胶，形成塑胶层。
  5. 根据权利要求1所述的加工方法，其特征在于，去除所述保护层后，所述加工方法还包括：
    对所述外观面进行表面处理。
  6. 根据权利要求5所述的加工方法，其特征在于，对所述外观面进行表面处理，包括：
    对所述外观面进行喷砂、阳极化处理。
  7. 根据权利要求1-6任一项所述的加工方法，其特征在于，所述镂空结构包括：天线隔断槽、耳机孔、USB孔和扬声器孔中的至少一个。
  8. 一种终端壳体的加工方法，其特征在于，包括：
    在金属壳本体的外观面的预设区域形成保护层，所述保护层为耐酸耐碱型材料；
    对形成有所述保护层的外观面进行氧化处理，以在所述外观面的未被所述保护层覆盖的区域表面形成氧化膜层，并对所述氧化膜层进行着色和封孔处理，以将所述外观面的未被所述保护层覆盖的区域染成第一颜色，形成第一颜色层；
    去除所述保护层。
  9. 根据权利要求8所述的加工方法，其特征在于，所述保护层的材料为油墨、油漆中的至少一种。
  10. 根据权利要求8所述的加工方法，其特征在于，去除所述保护层，包括：
    通过打磨抛光工艺去除所述保护层，或者，用溶剂将所述保护层溶解去除。
  11. 根据权利要求8所述的加工方法，其特征在于，去除所述保护层之后，所述加工方法还包括：
    对形成有所述第一颜色层的外观面进行氧化处理，以在所述外观面的未被所述第一颜色层覆盖的区域表面形成氧化膜层，并对所述氧化膜层进行着色和封孔处理，以将所述外观面的未被所述第一颜色层覆盖的区域染成第二颜色，形成第二颜色层。
  12. 一种终端壳体，其特征在于，采用如权利要求1-7任一项或者8-11任一项所述的加工方法加工获得。
  13. 一种终端设备，其特征在于，包括如权利要求12所述的终端壳体。
  14. 根据权利要求13所述的终端设备，其特征在于，所述终端设备为手机、平板电脑、数码相机或者上网本。
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