CN106985336B - A kind of production method of mobile terminal shell - Google Patents

A kind of production method of mobile terminal shell Download PDF

Info

Publication number
CN106985336B
CN106985336B CN201710091089.0A CN201710091089A CN106985336B CN 106985336 B CN106985336 B CN 106985336B CN 201710091089 A CN201710091089 A CN 201710091089A CN 106985336 B CN106985336 B CN 106985336B
Authority
CN
China
Prior art keywords
connection
side plate
convex block
plastic parts
mobile terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201710091089.0A
Other languages
Chinese (zh)
Other versions
CN106985336A (en
Inventor
郭黎明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Wind Communication Technologies Co Ltd
Original Assignee
Shanghai Wind Communication Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Wind Communication Technologies Co Ltd filed Critical Shanghai Wind Communication Technologies Co Ltd
Priority to CN201710091089.0A priority Critical patent/CN106985336B/en
Publication of CN106985336A publication Critical patent/CN106985336A/en
Application granted granted Critical
Publication of CN106985336B publication Critical patent/CN106985336B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C3/00Milling particular work; Special milling operations; Machines therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D79/00Methods, machines, or devices not covered elsewhere, for working metal by removal of material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

The present invention relates to communication apparatus manufacturing process areas, disclose a kind of production method of mobile terminal shell, comprising the following steps: provide a metal shell, the metal shell includes bottom plate and side plate, the side plate forms holding tank on the bottom plate, and with the bottom plate around setting;The connection breach through the side plate are opened up on the side plate;Nanometer is molded a plastic parts on the metal shell, the plastic parts is located in the holding tank, the plastic parts includes connection convex block corresponding with the connection breach, the height of the connection convex block is less than the thickness of the side plate, and the connection convex block is embedded in the connection breach, and the connection convex block and the connection breach form recess step;The side plate is cut, until the connection convex block is flushed with the connection breach.After production method using mobile terminal shell of the present invention, the exposed fiber of plastic parts is few, solves the problems, such as that plastic parts bleaches.

Description

A kind of production method of mobile terminal shell
Technical field
The present invention relates to communication apparatus manufacturing process area, in particular to a kind of production method of mobile terminal shell.
Background technique
In the prior art, Shooting Technique has gradually been applied in communication apparatus manufacturing process area.Such as it is molded by nanometer Technique manufactures the process of handset shell, is first to process a required pattern shell as matrix, generally metal shell, in the shell Reserved through hole is opened up on body, then utilizes nanometer injection-moulding device, to shell injection molding liquid plastic cement raw material to form plastic parts, Claim appearance plastic band, plastic material generally comprises PBT (saturated polyester terephthaldehyde acid butyl ester), PPS (polysulfide dimethylbenzene), GF (glass fibre) etc., wherein the content of glass fibre is generally 50%-55%, and content is higher, is molded and until liquid plastic cement is former In stream to mobile phone shell and it is full of reserved through hole, can also suitably be overflowed from the reserved through hole, by plastic parts and is reserved Embedded before through-hole is located by connecting, and realizes the interconnection of plastic material and metal shell.After completing above-mentioned steps, then benefit With CNC (Computer numerical control, computer digital control machine tool) technique, milling is carried out to housing outer surface and is added Work, cutting metal shell and plastic parts to required shape and size after the completion, can if plastic material and reserved through hole flush Reach required effect.But practical discovery, after completing above-mentioned whole set process, plastic parts often will appear the phenomenon that whitening, and influence beauty It sees.
Summary of the invention
A kind of production method for being designed to provide mobile terminal shell of embodiment of the present invention carries out metal shell After nanometer is molded and cuts, it is not in blushing that plastic parts, which is still able to maintain original color,.
In order to solve the above technical problems, embodiments of the present invention provide a kind of production method of mobile terminal shell, The following steps are included:
A metal shell is provided, the metal shell includes bottom plate and side plate, and the side plate is around setting in the bottom plate On, and holding tank is formed with the bottom plate;
The connection breach through the side plate are opened up on the side plate;
Nanometer is molded a plastic parts on the metal shell, and the plastic parts is located in the holding tank, the plastic cement Part includes connection convex block corresponding with the connection breach, and the height of the connection convex block is less than the thickness of the side plate, and And the connection convex block is embedded in the connection breach, the connection convex block and the connection breach form recess step;
The side plate is cut, until the connection convex block is flushed with the connection breach.
Through the inventors discovered that, the problem of plastic parts whitens in the prior art derived from plastic material itself characteristic, specifically Ground is said, since the content of glass fiber of the plastic material in integrated artistic is higher, glass fibre can be with hair shape after injection molding It remains in product, closer to bottom, the glass fibre of sedimentation is more, so closer to appearance, glass fibre is floating fine to be showed As more unobvious, after cutting, originally molding plastic rubber surface is also cut off very much, thus cause glass fibre exposed serious, Since glass fibre is generally white, so the phenomenon that causing plastic parts to bleach.
Embodiment of the present invention in terms of existing technologies, using connection convex block and connection breach sunk structure, Existing difference in height between the height of convex block and the depth of connection breach is exactly connected, the recess platform for forming the two after chimeric Rank, in subsequent machining step, ecto-entad, cutter tip is first contacted with metal shell, and to the metal shell Outer surface is cut, and after being cut to certain depth, cutter tip is contacted with plastic parts, can realize connection convex block and company at this time Notch is connect to flush.The thickness that plastic parts is cut off at this time is far smaller than the thickness that plastic parts is cut in the prior art, because After production method of the invention, the exposed fiber of plastic parts is few for this, solves the problems, such as that plastic parts bleaches.
In addition, cut to the side plate, until after the connection convex block flushes step with the connection breach, after 0.1~0.3mm of continuous cutting, and continue that the connection convex block is kept to flush with the connection breach, to make the color of plastic parts More uniformly.
In addition, the step of being molded a plastic parts on the metal shell before, it is further comprising the steps of:
It is coated with binder in the holding tank, to increase the bonding strength between plastic parts and metal shell.
In addition, the difference of the height of the thickness of the side plate and the connection convex block is 0.1~0.2mm, and when to be molded, liquid State plastic material is convenient for being full of mold, and the molding effect for connecting convex block is more preferable.
In addition, the quantity of the connection breach is four, and symmetrically it is arranged on the side plate;
The quantity of the connection convex block is four, and corresponding with the position of the connection breach, to increase plastic parts Connection contact point between metal shell improves the firmness of the two connection.
In addition, the metal shell is aluminum enclosure or aluminium alloy, and the bottom plate and the side plate are integrally formed knot Structure is not only convenient for type processing, the service performance of mobile terminal shell also can be improved.
In addition, there are the plastic parts hollow-out parts to increase the space of enclosure interior for the element of holding movable terminal Utilization rate, the structure that can meet mobile terminal are more compact.
Detailed description of the invention
Fig. 1 is glass fibre distribution schematic diagram in plastic cement;
Fig. 2 is the flow chart of the production method of the mobile terminal shell in first embodiment of the invention;
Fig. 3 is the schematic diagram of the production method of the mobile terminal shell in first embodiment of the invention;
Fig. 4 is the flow chart of the production method of the mobile terminal shell in second embodiment of the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to each reality of the invention The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention, In order to make the reader understand this application better, many technical details are proposed.But even if without these technical details and base In the various changes and modifications of following embodiment, the application technical solution claimed also may be implemented.
First have to statement, through the inventors discovered that, plastic parts the problem of whitening, is derived from plastic material in the prior art The characteristic of itself, specifically, the glass fibre GF content due to the plastic material in integrated artistic is higher, glass after injection molding Glass fiber GF can be remained in product with hair shape, and closer to bottom, the glass fibre GF of sedimentation is more, so closer to appearance Face, the phenomenon that glass fibre GF floats fibre is more unobvious, and shown referring to Fig.1, after cutting, originally molding plastic rubber surface is also cut Fall very much, thus cause glass fibre GF exposed serious, since glass fibre GF is generally white, so plastic parts is caused to bleach The phenomenon that.
Therefore, the first embodiment of the present invention is related to a kind of production methods of mobile terminal shell, as shown in Figure 1, packet Include following steps:
101: providing a metal shell 1, metal shell 1 includes bottom plate 11 and side plate 12, and side plate 12 is around setting in bottom plate On 11, and holding tank is formed with bottom plate 11;
102: the connection breach 121 through side plate 12 are opened up on side plate 12;
103: nanometer is molded a plastic parts 2 on metal shell 1, and plastic parts 2 is located in holding tank, plastic parts 2 include with The height of the corresponding connection convex block 21 of connection breach 121, connection convex block 21 is less than the thickness of side plate 12, and connects convex block 21 It is embedded in connection breach 121, connection convex block 21 and connection breach 121 form recess step;
104: side plate 12 being cut, until connection convex block 21 is flushed with connection breach 121.
The above process is specifically, it is necessary first to produce the metal shell 1 of one piece of mobile terminal, the shell at box-like, And there is a side opening, therefore it includes that bottom plate 11 and side plate 12 are vertically set on as shown in figure 3, side plate 12 is in rectangular ring On bottom plate 11, holding tank is formed.In present embodiment, which is aluminum enclosure or aluminium alloy, and bottom plate 11 and side plate 12 are an integral molding structure, and can directly have compression moulding or casting and forming to obtain, due to the metallicity that aluminium element is excellent, such as The service performance of mobile terminal shell can be improved in the performances such as light specific gravity, anticorrosion.
Later, by process for machining, the connection breach 121 through side plate 12 are set on the metal shell 1, if metal-back Body 1 then can also directly be obtained by mould structure by casting when casting metals shell 1.
Followed by, it is substrate with metal shell 1, a nanometer Shooting Technique is carried out to it.Wherein nanometer injection molding has been existing skill Art, in simple terms, metal are known as nanometer injection molding technology (NMT) with plastics with the technique in conjunction with nanotechnology, first to metal Surface carries out nanosizing processing, then plastic injection can be realized one chemical conversion by metal in conjunction with plastics in metal surface Type.It is formed by plastic parts 2 after injection molding to be an integral molding structure, as the plastic parts of mobile terminal, is located in holding tank, and With connection convex block 21, the position of the connection convex block 21 and the position of connection breach 121 of metal shell 1 are corresponding, work as connection It when convex block 21 is protruded into connection breach 121, is fitted into therewith, it should be pointed out that the height of connection convex block 21 is less than the thickness of side wall Degree, it may also be said to, when connection convex block 21 protrudes into connection breach 121, recess step is formed with the connection breach 121.This embodiment party In formula, the thickness of side plate 12 is 0.1~0.2mm with the difference for the height for connecting convex block 21, and when to be molded, liquid plastic cement raw material is just In being full of mold, the molding effect for connecting convex block 21 is more preferable.In addition, the quantity of connection breach 121 is four in present embodiment It is a, and be symmetrically arranged on side plate 12;The quantity for connecting convex block 21 is four, and the position with connection breach 121 It is corresponding, to increase the connection contact point between plastic parts 2 and metal shell 1, improve the firmness of the two connection.
Later, side plate 12 is cut, from outside to inside, until connection convex block 21 is flushed with connection breach 121.
Embodiment of the present invention in terms of existing technologies, utilizes the recess knot of connection convex block 21 and connection breach 121 Structure, that is, existing difference in height between the height of convex block 21 and the depth of connection breach 121 is connected, make the two shape after chimeric At recess step, in subsequent machining step, ecto-entad, cutter tip is first contacted with metal shell 1, and to this The outer surface of metal shell 1 is cut, and after being cut to certain depth, cutter tip is contacted with plastic parts 2, can be realized at this time Connection convex block 21 is flushed with connection breach 121.The thickness that plastic parts 2 is cut off at this time is far smaller than plastic cement in the prior art The thickness that part is cut, therefore after production method of the invention, the exposed fiber of plastic parts 2 is few, solves plastic parts 2 The problem of bleaching.
It should be noted that in present embodiment, the step of being molded plastic parts 2 on metal shell 1 before, further include with Lower step: being coated with binder in holding tank, to increase the bonding strength between plastic parts 2 and metal shell 1.
In addition, as shown in figure 3, the plastic parts 2 in present embodiment has hollow-out parts 22, the member for holding movable terminal Part increases the space utilization rate of enclosure interior, and the structure that can meet mobile terminal is more compact.
Second embodiment of the present invention is related to a kind of production method of mobile terminal shell.Second embodiment and first Embodiment is roughly the same, is in place of the main distinction: in the first embodiment, cutting side plate 12, until connection Convex block 21 is flushed with connection breach 121, that is, stopped cutwork.And in second embodiment of the invention, as shown in figure 4, It is cut to side plate, until after connection convex block flushes step with connection breach, 105: continue 0.1~0.3mm of cutting, and after Continuation of insurance is held connection convex block and is flushed with connection breach.
It draws a conclusion through the present inventor's test of many times, closer to plastic cement outer surface, floating fine slighter, generally slighter is floating Fibre concentrates on plastic cement outer surface and plays downward 0.2~0.4mm of depth with a thickness of 0.2~0.4mm, that is, slighter floating fibre Place, the part more than 0.4mm, floating fibre are unable to control, very intensively.Therefore, plastic parts can be made by continuing 0.1~0.3mm of cutting Color it is more uniform.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention, And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.

Claims (7)

1. a kind of production method of mobile terminal shell, which comprises the following steps:
One metal shell is provided, the metal shell includes bottom plate and side plate, and the side plate, which surrounds, to be arranged on the bottom plate, and Holding tank is formed with the bottom plate;
The connection breach through the side plate are opened up on the side plate;
Nanometer is molded a plastic parts on the metal shell, and the plastic parts is located in the holding tank, the plastic parts packet Connection convex block corresponding with the connection breach is included, the height of the connection convex block is less than the thickness of the side plate, and institute It states connection convex block to be embedded in the connection breach, the connection convex block and the connection breach form recess step;
The side plate is cut, until the connection convex block is flushed with the connection breach.
2. the production method of mobile terminal shell according to claim 1, which is characterized in that cut to the side plate It cuts, until continuing 0.1~0.3mm of cutting, and continue described in holding after the connection convex block flushes step with the connection breach Connection convex block is flushed with the connection breach.
3. the production method of mobile terminal shell according to claim 1, which is characterized in that infused on the metal shell It is further comprising the steps of before the step of moulding a plastic parts:
Binder is coated in the holding tank.
4. the production method of mobile terminal shell according to claim 1, which is characterized in that the thickness of the side plate and institute The difference for stating the height of connection convex block is 0.1~0.2mm.
5. the production method of mobile terminal shell according to claim 1, which is characterized in that the quantity of the connection breach It is four, and is symmetrically arranged on the side plate;
The quantity of the connection convex block is four, and corresponding with the position of the connection breach.
6. the production method of mobile terminal shell according to claim 1, which is characterized in that the metal shell is aluminum hull Body or aluminium alloy, and the bottom plate and the side plate are an integral molding structure.
7. the production method of mobile terminal shell according to claim 1, which is characterized in that the plastic parts has hollow out Portion, the element for holding movable terminal.
CN201710091089.0A 2017-02-20 2017-02-20 A kind of production method of mobile terminal shell Expired - Fee Related CN106985336B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710091089.0A CN106985336B (en) 2017-02-20 2017-02-20 A kind of production method of mobile terminal shell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710091089.0A CN106985336B (en) 2017-02-20 2017-02-20 A kind of production method of mobile terminal shell

Publications (2)

Publication Number Publication Date
CN106985336A CN106985336A (en) 2017-07-28
CN106985336B true CN106985336B (en) 2019-02-12

Family

ID=59414505

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710091089.0A Expired - Fee Related CN106985336B (en) 2017-02-20 2017-02-20 A kind of production method of mobile terminal shell

Country Status (1)

Country Link
CN (1) CN106985336B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107567225B (en) * 2017-08-31 2019-08-06 Oppo广东移动通信有限公司 Center production method, center, electronic equipment and center matrix
CN107599427B (en) * 2017-08-31 2020-07-28 西安易朴通讯技术有限公司 Processing method and processing system for positioning part
CN109702256B (en) * 2018-12-06 2021-06-29 东莞捷荣技术股份有限公司 Mobile terminal receiver groove body machining method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010127749A1 (en) * 2009-05-04 2010-11-11 Oechsler Aktiengesellschaft Housing shell for portable electrical devices and method for the production thereof
WO2015006421A1 (en) * 2013-07-09 2015-01-15 United Technologies Corporation Metal-encapsulated polymeric article
CN104539753A (en) * 2014-11-06 2015-04-22 广东欧珀移动通信有限公司 Mobile phone battery case and forming process thereof
CN104850188A (en) * 2015-06-04 2015-08-19 上海华勤通讯技术有限公司 Metal middle frame and manufacturing method thereof, handheld terminal and manufacturing method thereof
CN105813422A (en) * 2016-03-25 2016-07-27 广东欧珀移动通信有限公司 Processing method of mobile terminal shell
CN106078096A (en) * 2016-06-27 2016-11-09 广东欧珀移动通信有限公司 Side opening and integral housing moulding process, integral housing, electronic installation
CN106112393A (en) * 2016-06-27 2016-11-16 广东欧珀移动通信有限公司 Metal-back moulding process, integral housing moulding process and housing, electronic installation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103582329B (en) * 2012-07-24 2016-08-03 富泰华工业(深圳)有限公司 Housing and manufacture method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010127749A1 (en) * 2009-05-04 2010-11-11 Oechsler Aktiengesellschaft Housing shell for portable electrical devices and method for the production thereof
WO2015006421A1 (en) * 2013-07-09 2015-01-15 United Technologies Corporation Metal-encapsulated polymeric article
CN104539753A (en) * 2014-11-06 2015-04-22 广东欧珀移动通信有限公司 Mobile phone battery case and forming process thereof
CN104850188A (en) * 2015-06-04 2015-08-19 上海华勤通讯技术有限公司 Metal middle frame and manufacturing method thereof, handheld terminal and manufacturing method thereof
CN105813422A (en) * 2016-03-25 2016-07-27 广东欧珀移动通信有限公司 Processing method of mobile terminal shell
CN106078096A (en) * 2016-06-27 2016-11-09 广东欧珀移动通信有限公司 Side opening and integral housing moulding process, integral housing, electronic installation
CN106112393A (en) * 2016-06-27 2016-11-16 广东欧珀移动通信有限公司 Metal-back moulding process, integral housing moulding process and housing, electronic installation

Also Published As

Publication number Publication date
CN106985336A (en) 2017-07-28

Similar Documents

Publication Publication Date Title
CN106985336B (en) A kind of production method of mobile terminal shell
TW200746322A (en) Resin sealing and molding method of electronic component
US7820259B2 (en) Housing, injection mold for making the housing, and method for making the housing by using the injection mold
CN104411124B (en) Electronic equipment assembly and its manufacture method
CN1300496A (en) Portable phone set
JP2012061728A (en) Compression molding mold and compression molding method
CN206433105U (en) Loudspeaker
CN107839145A (en) A kind of metal Kato water-proof silica-gel sealing ring its shaping process
CN107866943A (en) Housing and preparation method thereof, mobile terminal
JP5065747B2 (en) Semiconductor package manufacturing method and manufacturing apparatus
CN103895154B (en) A kind of three anti-mobile phone protecting cases and processing mold and manufacture method
US20100316755A1 (en) Mold assembly for making light guide plate
CN103573034B (en) Strengthen card key and the manufacture method thereof of intensity
CN203862989U (en) Motor end cover forming mold
CN106273277B (en) Plastic mould and the method being molded using plastic mould
CN107379397B (en) Forming process of antenna partition strip and electronic equipment
KR101548817B1 (en) Mold device for forming lens
CN109526146B (en) Method and apparatus for manufacturing wiring board
JP2010149423A (en) Transfer molding mold and method for manufacturing semiconductor device
CN101746019B (en) Lens seat forming mould
CN208570571U (en) A kind of four point positioning mold of 25 pin power module
CN107839144A (en) A kind of processing method of housing, housing and mobile terminal
CN201112763Y (en) Conjoined construction for terminal body and center needle
CN107896461B (en) Shell, manufacturing method thereof and mobile terminal
CN111799638B (en) Manufacturing process of data line with sensor and data line with sensor

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190212

Termination date: 20200220