CN105141725A - Method for manufacturing mobile phone middle frame and structure of mobile phone middle frame - Google Patents
Method for manufacturing mobile phone middle frame and structure of mobile phone middle frame Download PDFInfo
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- CN105141725A CN105141725A CN201510581470.6A CN201510581470A CN105141725A CN 105141725 A CN105141725 A CN 105141725A CN 201510581470 A CN201510581470 A CN 201510581470A CN 105141725 A CN105141725 A CN 105141725A
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Abstract
The present invention discloses a method for manufacturing a mobile phone middle frame and a structure of the mobile phone middle frame. The method for manufacturing the mobile phone middle frame includes the steps as follows: manufacturing a mobile phone middle frame die; injecting an engineering plastic alloy into four side faces of a hardware middle plate of the mobile phone through the mobile phone middle frame die to obtain a mobile phone middle frame workblank; spraying the upper surface and the lower surface of the mobile phone middle frame workblank except for the engineering plastic alloy region with anti-electroplating printing ink; electroplating the outside surface of the engineering plastic alloy region of the mobile phone middle frame workblank to obtain the mobile phone middle frame workblank with an electroplating layer; rejecting the anti-electroplating printing ink on the upper surface and the lower surface of the mobile phone middle frame workblank with the electroplating layer; and rejecting the electroplating layer of a setting position of the mobile phone middle frame workblank with the electroplating layer through the laser etching technique to expose the engineering plastic alloy as an antenna slot so that the finished mobile phone middle frame is obtained. According to the present invention, the outside face of the finished mobile phone middle frame is not prone to painting peeling off and has the better adhesive force, and the plastic outer frame of the finished mobile phone middle frame is more aesthetically pleasing.
Description
Technical field
The embodiment of the present invention relates to electronic equipment and the communication technology, particularly relates to a kind of mobile phone center manufacture method and mobile phone middle frame structure.
Background technology
At present, the mobile phone center of low cost, generally all adopts one piece of metal medium plate, and then injection moulding Merlon around (Polycarbonate, PC) forms, and PC is a kind of thermoplastic resin of obdurability.Utilize the feature of its obdurability can using PC as mobile phone center finished product outer surface.
Processing method for mobile phone center finished product outer surface PC mainly contains spraying and Vacuum Deposition two kinds, the cost compare of Vacuum Deposition is high, and mobile phone center finished product outer surface PC sprayed and the processing method of Vacuum Deposition, the outer surface all deposited after treatment easily falls the defect of paint.
Summary of the invention
The invention provides a kind of mobile phone center manufacture method and mobile phone middle frame structure, to realize the feature not easily falling paint.
First aspect, embodiments provides a kind of mobile phone center manufacture method, comprising: make mobile phone center mould;
By described mobile phone center mould, in mobile phone five metals, four side injection moulding engineering plastic alloys of plate, obtain mobile phone center blank;
Anti-plated ink is sprayed to the region of upper and lower surface except engineering plastic alloy of described mobile phone center blank;
The engineering plastic alloy outer surface of described mobile phone center blank is electroplated, obtains being with coated mobile phone center blank;
Return the anti-plated ink of the upper and lower surface of described band coated mobile phone center blank;
Returned by the coating of radium technology for fast carving on by the desired location of coated for described band mobile phone center blank, expose engineering plastic alloy as sky linear slit, obtain mobile phone center finished product.
Second aspect, the embodiment of the present invention additionally provides a kind of mobile phone middle frame structure, described mobile phone middle frame structure utilizes the method described in any embodiment of the present invention to be made, and comprising: the coating that the engineering plastic alloy of plate, four side injection mouldings of plate in mobile phone five metals in mobile phone five metals, the plating of engineering plastic alloy outer surface are formed and the sky linear slit that the coating that radium carving falls desired location is formed.
Mobile phone center manufacture method of the present invention and mobile phone middle frame structure, by making mobile phone center mould; Then by described mobile phone center mould, in mobile phone five metals, four side injection moulding engineering plastic alloys of plate, obtain mobile phone center blank; And anti-plated ink is sprayed to the region of upper and lower surface except engineering plastic alloy of described mobile phone center blank; The engineering plastic alloy outer surface of described mobile phone center blank is electroplated, obtains being with coated mobile phone center blank; Return the anti-plated ink of the upper and lower surface of described band coated mobile phone center blank; Returned by the coating of radium technology for fast carving on by the desired location of coated for described band mobile phone center blank, expose engineering plastic alloy as sky linear slit, obtain mobile phone center finished product.By four side injection moulding engineering plastic alloys of plate in mobile phone five metals, and electroplate at engineering plastic alloy outer surface, mobile phone center finished product outer surface can be made not easily to fall paint, and adhesive force is good, makes the plastics housing of mobile phone center finished product more attractive in appearance simultaneously.
Accompanying drawing explanation
Fig. 1 is the flow chart of a kind of mobile phone center manufacture method that the embodiment of the present invention one provides;
Fig. 2 A is the structural representation of plate in the mobile phone five metals in the mobile phone center manufacture method that provides of the embodiment of the present invention one;
Fig. 2 B is the cross section structure schematic diagram of the mobile phone center blank in the mobile phone center manufacture method that provides of the embodiment of the present invention one;
Fig. 2 C is the cross section structure schematic diagram of the mobile phone center blank with anti-plated ink in the mobile phone center manufacture method that provides of the embodiment of the present invention one;
Fig. 2 D is the cross section structure schematic diagram of the band coated mobile phone center blank in the mobile phone center manufacture method that provides of the embodiment of the present invention;
Fig. 2 E is the cross section structure schematic diagram returning the mobile phone center blank after the anti-plated ink of the upper and lower surface being with coated mobile phone center blank in the mobile phone center manufacture method that provides of the embodiment of the present invention;
Fig. 2 F is the cross section structure schematic diagram of the mobile phone center finished product in the mobile phone five metals center manufacture method that provides of the embodiment of the present invention;
Fig. 3 is the schematic cross-section of a kind of mobile phone middle frame structure in the embodiment of the present invention two.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not entire infrastructure.
Embodiment one
Fig. 1 is the flow chart of a kind of mobile phone center manufacture method that the embodiment of the present invention one provides, and the present embodiment is applicable to the situation making mobile phone center, specifically comprises the steps:
Step 110, making mobile phone center mould;
Mobile phone center comprises the plastics housing of plate surrounding in plate and mobile phone five metals in mobile phone five metals, before injection moulding, mobile phone center mould is made into the shape of mobile phone center.Mobile phone center mould four side injection moulding engineering plastic alloys of plate in mobile phone five metals are utilized to form the plastics housing of mobile phone center.Concrete, first the mobile phone center mould made is put in injection molding machine when injection moulding, then plate in mobile phone five metals is put into the relevant position of mobile phone center mould, finally four side injection moulding engineering plastic alloys of plate in mobile phone five metals.Fig. 2 A is the structural representation of plate in the mobile phone five metals in the mobile phone center manufacture method that provides of the embodiment of the present invention.
Wherein, engineering plastic alloy (PC/ABS alloy) refers to the blend of engineering plastics, engineering plastic alloy in the present embodiment is by Merlon (Polycarbonate, and the thermoplastic plastic rubber of polyacrylonitrile (ABS) alloy PC), i.e. PC/ABS alloy, polyacrylonitrile is exactly acrylonitrile (Acrylonitrile, A), butadiene (Butadiene, and the copolymer of styrene (Styrene, S) B).This plastics are better than simple PC and ABS performance, and concrete PC/ABS alloy has good plating resistance, is easy to injection moulding.
The plastics housing side of mobile phone center can have different structure, such as, can be frosted structure, also can be smooth structure etc., corresponding, and what the side of mobile phone center mould was same can have different structure.
Preferably, the side of mobile phone center mould has frosting structure.
The side of mobile phone center mould the plastics housing side of mobile phone center as required can be made into corresponding structure, if the plastics housing side of mobile phone center needs frosted structure, frosted shape is made in side corresponding with the plastics housing side of described mobile phone center in mobile phone center mould, if the plastics housing side of mobile phone center needs smooth structure, side corresponding with the plastics housing side of described mobile phone center in mobile phone center mould is made smooth.
Step 120, by described mobile phone center mould, in mobile phone five metals, four side injection moulding engineering plastic alloys of plate, obtain mobile phone center blank;
Fig. 2 B is the cross section structure schematic diagram of the mobile phone center blank in the mobile phone center manufacture method that provides of the embodiment of the present invention, as shown in Figure 2 B, according to the shape of mobile phone center mould, four side injection moulding engineering plastic alloys 21 of plate 20 in mobile phone five metals in injection molding machine, plate 20 in mobile phone five metals in the middle of being formed, in mobile phone five metals, four sides of plate 20 are the engineering plastic alloys 21 be injection molded into, and finally form mobile phone center blank 2.
Step 130, anti-plated ink is sprayed to the region of upper and lower surface except engineering plastic alloy of described mobile phone center blank;
Fig. 2 C is the cross section structure schematic diagram of the mobile phone center blank with anti-plated ink in the mobile phone center manufacture method that provides of the embodiment of the present invention.Concrete, the formation of mobile phone center, need the outer surface plating layer of metal of the plastics housing of plate 20 surrounding in mobile phone five metals, such mobile phone center just has metal-like, but the upper and lower surface forming plate 20 in the mobile phone five metals of mobile phone center does not need plated metal, so before giving plastics housing plated metal, need not need the upper and lower surface of plate 20 in the mobile phone five metals of plated metal to spray anti-plated ink 22, make the upper and lower surface of plate 20 in mobile phone five metals not be plated metal, thus form the mobile phone center blank 3 with anti-plated ink 22.
Preferably, described anti-plated ink 22 covers ink for plating is special.
Concrete, anti-plated ink 22 can make not need the position of plated metal to avoid electroplating metal, because follow-up needs are at the outer surface plated metal of engineering plastic alloy 21, here anti-plated ink 22 is to prevent metal in the position plating not needing plated metal, therefore, anti-plated ink 22 covers ink for plating is special.
Step 140, the engineering plastic alloy outer surface of described mobile phone center blank to be electroplated, obtain being with coated mobile phone center blank;
Fig. 2 D is the cross section structure schematic diagram of the band coated mobile phone center blank in the mobile phone center manufacture method that provides of the embodiment of the present invention.First the butadiene in engineering plastic alloy 21 is chemically eroded to the plating of engineering plastic alloy 21, product surface is made to present some loose pores, adhere to one deck conductor again can conduct electricity, and then electroplate with reference to the mode of plating, chemical plating and the mixing of plating to engineering plastic alloy 21 plating, after having electroplated, form the mobile phone center blank 4 with coating 23.
Wherein plating utilizes electrolysis principle to plate the process of other metal or alloy of skim at some metal or frosting, the object of plating is on base material, plate metal or alloy layer, change substrate surface character, plating can prevent substrate surface from wearing and tearing, the metal-like of base material can be increased simultaneously, make substrate surface more attractive in appearance.Plating needs one provide the equipment of DC power supply, electroplating bath, electroplating liquid medicine containing plated metal ion and base material to be plated, base material wherein to be plated does negative electrode, coated metal does anode, the two poles of the earth are connected with the negative pole of DC power supply and positive pole respectively, electroplating process is that the plated metal ion in electroplating liquid medicine is under the effect of external electric field, metallic atom is reduced into through electrode reaction, and in the process that the enterprising row metal of negative electrode deposits.To do not need electroplate the region except engineering plastic alloy 21 spray anti-plated ink 22 after, just to the engineering plastic alloy 21 outer surface plated metal of the mobile phone center blank 3 with anti-plated ink, the mobile phone center blank 4 with coating 23 can be formed.
Preferably, step 140 specifically comprises: use the engineering plastic alloy outer surface of the special electroplating liquid medicine of plastics to described mobile phone center blank to electroplate.
Engineering plastic alloy 21 is different from other metal, needs the special electroplating liquid medicine of plastics to electroplate engineering plastic alloy 21 when therefore electroplating.
Further, the special electroplating liquid medicine of described plastics comprises copper nickel chromium triangle electroplating liquid medicine, copper nickel gold electroplating liquid medicine or copper nickel black nickel electroplating liquid medicine.
Concrete, carrying out plating with copper nickel chromium triangle electroplating liquid medicine to engineering plastic alloy 21 outer surface can obtain silver color; With copper nickel gold electroplating liquid medicine, plating is carried out to engineering plastic alloy 21 outer surface and can obtain gold; Electricity consumption copper facing nickel black nickel electroplating liquid medicine carries out plating to engineering plastic alloy 21 outer surface and can obtain rifle look.The appearance color that user can present as required, electroplates at the different electroplating liquid medicine of engineering plastic alloy 21 outer surface.
Step 150, return the anti-plated ink of the upper and lower surface of described band coated mobile phone center blank;
Fig. 2 E is the cross section structure schematic diagram returning the mobile phone center blank after the anti-plated ink of the upper and lower surface being with coated mobile phone center blank in the mobile phone center manufacture method that provides of the embodiment of the present invention.
In mobile phone five metals, four side injection moulding engineering plastic alloys 21 of plate 20, obtain mobile phone center blank 2; Anti-plated ink 22 is sprayed to the region of upper and lower surface except engineering plastic alloy 21 of described mobile phone center blank 2 and forms mobile phone center blank 3 with anti-plated ink; Electroplate at engineering plastic alloy 21 outer surface of the mobile phone center blank 3 with anti-plated ink, obtain the mobile phone center blank 4 with coating 23; After returning the described anti-plated ink 22 with the upper and lower surface of the mobile phone center blank 4 of coating 23, form the mobile phone center blank 5 after returning the anti-plated ink of the upper and lower surface being with coated mobile phone center blank 4.
Preferably, the anti-plated ink returning the upper and lower surface of described band coated mobile phone center blank specifically comprises:
The liquid medicine supporting with anti-plated ink 22 is used to return the described anti-plated ink 22 with the upper and lower surface of the mobile phone center blank 4 of coating 23.
Concrete, different anti-plated ink 22 needs supporting liquid medicine just can return.
Step 160, to be returned by the coating of radium technology for fast carving on by the desired location of coated for described band mobile phone center blank, expose engineering plastic alloy as sky linear slit, obtain mobile phone center finished product.
Radium carving refers to laser engraving, is cause the Chemical Physics of entry material to change by the luminous energy of laser beam and carve vestige, or burns moieties by luminous energy, shows the figure of required etching.
Fig. 2 F is the cross section structure schematic diagram of the mobile phone center finished product in the mobile phone five metals center manufacture method that provides of the embodiment of the present invention, as shown in Figure 2 F, the coating 23 of the engineering plastic alloy 21 outer surface desired location of mobile phone center blank 5 is returned by the desired location radium technology for fast carving on of the mobile phone center blank 5 with coating 23 after returning anti-plated ink and exposes day linear slit 24, finally obtain mobile phone center finished product 6.
The technical scheme of the present embodiment, by four side injection moulding engineering plastic alloys of plate in mobile phone five metals, and electroplate at engineering plastic alloy outer surface, form the coated mobile phone center blank of band, and expose engineering plastic alloy as sky linear slit by radium technology for fast carving on, obtain mobile phone center finished product.Because engineering plastic alloy has good plating resistance and be easy to injection moulding, the mobile phone center finished product outer surface of formation can be made not easily to fall paint, and adhesive force is good, makes the plastics housing of mobile phone center finished product more attractive in appearance simultaneously.
On the basis of technique scheme, preferably between step 120 and step 130, also can comprise: the high light chamfering structure corner angle of described mobile phone center blank being made set angle.
By described mobile phone center mould, four side injection moulding engineering plastic alloys 21 of plate 20 in mobile phone five metals, after obtaining mobile phone center blank 2, the corner angle of mobile phone center blank 2 can be made the high light chamfering structure of set angle, then anti-plated ink 22 be sprayed to the region of upper and lower surface except engineering plastic alloy 21 of mobile phone center blank 2.
The benefit of such setting is to make mobile phone center finished product 6 have high bright limit, makes the plastics housing of mobile phone center finished product 6 not only attractive in appearance but also have good feel.
Embodiment two
Fig. 3 is the schematic cross-section of a kind of mobile phone middle frame structure that the embodiment of the present invention two provides, and present embodiments provides a kind of mobile phone middle frame structure, and any mobile phone center manufacture method that described mobile phone middle frame structure utilizes embodiment one to provide is made, and comprising:
The coating 23 that the engineering plastic alloy 21 of plate 20, four side injection mouldings of plate 20 in mobile phone five metals in mobile phone five metals, the plating of engineering plastic alloy outer surface are formed and the sky linear slit 24 that the coating 23 that radium carving falls desired location is formed.Concrete, above-mentioned parts together constitute mobile phone center finished product 6.
The technical scheme of the present embodiment, by four side injection moulding engineering plastic alloys of plate in mobile phone five metals, and electroplate at engineering plastic alloy outer surface, form the coated mobile phone center blank of band, and expose engineering plastic alloy as sky linear slit by radium technology for fast carving on, obtain mobile phone center finished product.Because engineering plastic alloy has good plating resistance and be easy to injection moulding, the mobile phone center finished product outer surface of formation can be made not easily to fall paint, and adhesive force is good, makes the plastics housing of mobile phone center finished product more attractive in appearance simultaneously.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (8)
1. a mobile phone center manufacture method, is characterized in that, comprising:
Make mobile phone center mould;
By described mobile phone center mould, in mobile phone five metals, four side injection moulding engineering plastic alloys of plate, obtain mobile phone center blank;
Anti-plated ink is sprayed to the region of upper and lower surface except engineering plastic alloy of described mobile phone center blank;
The engineering plastic alloy outer surface of described mobile phone center blank is electroplated, obtains being with coated mobile phone center blank;
Return the anti-plated ink of the upper and lower surface of described band coated mobile phone center blank;
Returned by the coating of radium technology for fast carving on by the desired location of coated for described band mobile phone center blank, expose engineering plastic alloy as sky linear slit, obtain mobile phone center finished product.
2. mobile phone center manufacture method according to claim 1, is characterized in that, the side of described mobile phone center mould has frosting structure.
3. mobile phone center manufacture method according to claim 1 and 2, is characterized in that, after obtaining mobile phone center blank, before spraying anti-plated ink, also comprises the region of upper and lower surface except engineering plastic alloy of described mobile phone center blank:
The corner angle of described mobile phone center blank are made the high light chamfering structure of set angle.
4. mobile phone center manufacture method according to claim 1, is characterized in that, described anti-plated ink covers ink for plating is special.
5. mobile phone center manufacture method according to claim 1, is characterized in that, the anti-plated ink returning the upper and lower surface of described band coated mobile phone center blank specifically comprises:
The liquid medicine supporting with anti-plated ink is used to return the anti-plated ink of the upper and lower surface of described band coated mobile phone center blank.
6. mobile phone center manufacture method according to claim 1, is characterized in that, electroplates specifically comprise the engineering plastic alloy outer surface of described mobile phone center blank:
The engineering plastic alloy outer surface of the special electroplating liquid medicine of plastics to described mobile phone center blank is used to electroplate.
7. mobile phone center manufacture method according to claim 6, is characterized in that, the special electroplating liquid medicine of described plastics comprises copper nickel chromium triangle electroplating liquid medicine, copper nickel gold electroplating liquid medicine or copper nickel black nickel electroplating liquid medicine.
8. a mobile phone middle frame structure, is characterized in that, the method as described in described mobile phone middle frame structure utilization is as arbitrary in claim 1-7 is made, and comprising:
The coating that the engineering plastic alloy of plate, four side injection mouldings of plate in mobile phone five metals in mobile phone five metals, the plating of engineering plastic alloy outer surface are formed and the sky linear slit that the coating that radium carving falls desired location is formed.
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| CN109760263A (en) * | 2018-12-28 | 2019-05-17 | 惠州Tcl移动通信有限公司 | The production method of intelligent terminal and intelligent terminal center |
| WO2021258680A1 (en) * | 2020-06-24 | 2021-12-30 | 深圳Tcl数字技术有限公司 | Middle frame manufacturing method and middle frame, and television |
| CN114311724A (en) * | 2021-11-26 | 2022-04-12 | 广东长盈精密技术有限公司 | Middle frame and preparation method thereof |
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