CN106985336B - A kind of production method of mobile terminal shell - Google Patents
A kind of production method of mobile terminal shell Download PDFInfo
- 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
Links
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, 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
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.
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)
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)
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)
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 |
-
2017
- 2017-02-20 CN CN201710091089.0A patent/CN106985336B/en not_active Expired - Fee Related
Patent Citations (7)
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 |