CN105773905B - The method, the manufacturing method of the metal shell of laptop and metal shell of injection molding on metal shell - Google Patents
The method, the manufacturing method of the metal shell of laptop and metal shell of injection molding on metal shell Download PDFInfo
- Publication number
- CN105773905B CN105773905B CN201610168001.6A CN201610168001A CN105773905B CN 105773905 B CN105773905 B CN 105773905B CN 201610168001 A CN201610168001 A CN 201610168001A CN 105773905 B CN105773905 B CN 105773905B
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- CN
- China
- Prior art keywords
- metal shell
- deep gouge
- plastic cement
- walled
- injection molding
- 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.)
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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
- B29C45/1418—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 the inserts being deformed or preformed, e.g. by the injection pressure
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/04—Metal casings
-
- 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
- B29C45/1418—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 the inserts being deformed or preformed, e.g. by the injection pressure
- B29C2045/14237—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 the inserts being deformed or preformed, e.g. by the injection pressure the inserts being deformed or preformed outside the mould or mould cavity
- B29C2045/14245—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 the inserts being deformed or preformed, e.g. by the injection pressure the inserts being deformed or preformed outside the mould or mould cavity using deforming or preforming means outside the mould cavity
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Adornments (AREA)
Abstract
The method, the manufacturing method of the metal shell of laptop and metal shell for injection molding that the invention discloses a kind of on metal shell, the method of the injection molding on metal shell is comprising steps of S1: processing to form a deep gouge in the outer surface inner surface of metal shell, and makes to form a reserved thin-walled between the bottom of deep gouge and inner surface；S2: injecting plastic cement into deep gouge, and makes plastic cement plastic forming；S3: reserved thin-walled is abolished.Have the function of keeping plastic cement to prevent plastic deformed so that the plastic cement injected in deep gouge is combined closely with metal shell, and makes that the plastic deformation of plastic cement is smaller, surface quality is preferable due to reserving thin-walled.
Description
Technical field
The present invention relates to computer manufacture field more particularly to a kind of method of the injection molding on metal shell, notebook
The manufacturing method and metal shell of the metal shell of computer.
Background technique
With the rapid development and the demand lightening to electronic product of electronic product, metal foil wall pieces are also towards more next
More directions are developed, however influence of the electromagnetic shielding characteristic of metalwork for the antenna of product is very big, seriously affects
The sending and receiving of product signal, for example, the shell of laptop is if metal shell, in antenna send and receive the energy of signal
Power will weaken.To avoid metal shell to the shielding action of antenna, need to do metal shell in the production process some improvement,
I.e. after metal shell injection molding, a through-hole is reserved in the metal shell position opposite with antenna, which passes through plastic cement
Injection is to fill, in this way, the corresponding position due to antenna is plastic cement, so that the ability of antenna receiving and transmitting signal greatly enhances.
However, meeting defective tightness in conjunction with metal shell due to plastic deformation after plastic cement injection through-hole and plastic forming, out
The now defect of cracking and surface irregularity.
Summary of the invention
For the above-mentioned technical problems in the prior art, the present invention provides one kind can make plastic cement and metal shell
It is tightly combined and plastic deformed smaller, the preferable laptop metal shell of surface quality the manufacturer after plastic forming
Method and be used for and the integrally formed metal shell of plastic cement.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A method of the injection molding on metal shell, comprising the following steps:
S1: processing to form a deep gouge in the outer surface inner surface of metal shell, and make deep gouge bottom and inner surface it
Between formed a reserved thin-walled；
S2: injecting plastic cement into deep gouge, and makes plastic cement plastic forming；
S3: reserved thin-walled is abolished.
Preferably, before implementation steps S2, multiple wedge grooves being evenly arranged are processed along the side of deep gouge.
Preferably, wedge groove is formed by milling.
Preferably, deep gouge is formed by milling.
Preferably, thin-walled is reserved to abolish by milling.
The invention also discloses a kind of manufacturing methods of the metal shell of laptop, comprising the following steps:
S10: metal shell die cast；
S20: the mating surface and matching hole of metal shell are processed；
S30: implement the method for injection molding on metal shell as described in claim 1 to 5 any one；
S40: polishing metal shell；
S50: metal shell is surface-treated.
Preferably, step S50 the following steps are included:
S51: chemical surface treatment forms the surface of metal shell to remove the greasy dirt and impurity of metal shell surface
Oxygen-proof film；
S52: spray treatment.
The invention also discloses a kind of metal shell, for being integrally formed with plastic cement, the metal shell with notebook
The corresponding position of computer antenna be formed with for the plastic cement injection deep gouge, the deep gouge not with the metal shell penetrate through so that
One reserved thin-walled is formed on the bottom of the deep gouge, and the reserved thin-walled after the plastic cement plastic forming for abolishing.
Preferably, the side of the deep gouge has the wedge groove being evenly arranged.
Preferably, the ratio between thickness of the reserved thin-walled and the metal shell is any value in 0.2 to 1.0.
Compared with prior art, the method for the injection molding of the invention on metal shell, outside the metal of laptop
The manufacturing method of shell and the beneficial effect of metal shell are: keeping plastic cement plastic deformed to prevent since reserved thin-walled has
Effect so that the plastic cement in injection deep gouge is combined closely with metal shell, and make the plastic deformation of plastic cement is smaller, surface quality compared with
It is good.
Detailed description of the invention
Fig. 1 is the schematic perspective view of metal shell of the invention；
Fig. 2 is that metal shell of the invention injects the structural schematic diagram before plastic cement；
Fig. 3 is that metal shell of the invention injects the structural schematic diagram after plastic cement；
Fig. 4 is structural schematic diagram when the reserved thin-walled of metal shell of the invention is abolished.
In figure:
1- metal shell；2- deep gouge；3- reserves thin-walled；4- wedge groove；5- plastic cement；6- milling cutter.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, with reference to the accompanying drawing and specific embodiment party
Formula elaborates to the present invention.
The method for injection molding that embodiment of the invention discloses a kind of on metal shell, can using the manufacturing method
Reduce the plastic deformation after plastic cement 5 is molded, and then increases the binding ability of plastic cement 5 and metal shell 1.The manufacturing method include with
Lower step:
S1: it as depicted in figs. 1 and 2, processes to form a deep gouge 2 in the outer surface inner surface of metal shell 1, and make deep gouge
A reserved thin-walled 3 is formed between 2 bottom and inner surface.
Since antenna of the metal shell 1 to laptop has signal shielding effect, it is therefore desirable to right with antenna institute
The position setting plastic cement 5 for the metal shell 1 answered is to reduce the shielding action to the signal of antenna.And plastic cement 5 and metal shell 1
Connection can open up the deep gouge 2 for accommodating plastic cement 5 by using the form of integrated injection molding by Milling Process as a result,.
S2: as shown in figure 3, injecting plastic cement 5 into deep gouge 2, and make 5 plastic forming of plastic cement.
S3: reserved thin-walled 3 is abolished.
To avoid reserved shielding of the thin-walled 3 to the signal of antenna, reserved thin-walled 3 is abolished conducive to tool of abolishing.
The embodiment of the present invention also discloses a kind of manufacturing method of the metal shell of laptop, including following step
It is rapid:
S10: 1 die cast of metal shell.
The good metal material of ductility (such as magnesium alloy) is put into injection mold, using die casting machine carry out die casting with
The green body for forming metal shell 1 by green body cooling and goes de-stress with pending subsequent handling.
S20: the mating surface and matching hole of processing metal shell 1.
Milling Process is carried out to the metal shell 1 in green state using milling machine, so that the size and table of its mating surface
Face quality meets cooperation and requires；It is drilled using the surface that drilling machine drills to needs, threaded hole needed for such as assembling.
S30: implement the method for the above-mentioned injection molding on metal shell.
S40: polishing metal shell 1.
Metal shell 1 after milling and drilling processing would generally generate the defective workmanships such as overlap and burr, need to beat
Mill is to reject these overlaps and burr, in addition, the surface quality of the metal shell 1 of die cast is bad, by grinding (polishing
A kind of form) its surface quality is improved to lay the foundation for subsequent handling.
S50 is surface-treated metal shell 1.
Two procedures would generally be passed through to the surface treatment of metal shell 1:
S51: (such as pre-dehydration, washing and excusing from death wave processing etc.) is chemically treated to go to the surface of metal shell 1
The greasy dirt and impurity on 1 surface of shell in addition to metal, and the surface of metal shell 1 is made to form one layer of oxygen-proof film.
S52: spray treatment.
There are two the effects of spray treatment: first is that 1 surface of metal shell is further prevented to be oxidized；Second is that meeting user couple
The requirement of 1 sense organ of metal shell (such as the color of metal shell 1 can pass through the Qi Shixian of spraying different colours).
The manufacturing method of metal shell 1 of the invention is different from the pass of the manufacturing method of metal shell 1 in the prior art
Key is: the prior art is to be infused in plastic cement 5 in the through-hole that metal shell 1 opens up, and the present invention is that plastic cement 5 is injected into bottom
Portion is formed in the deep gouge 2 of reserved thin-walled 3.The present invention injects plastic cement 5 using the above structure and is advantageous in that: reserved thin-walled 3 is right
The plastic cement 5 of injection has holding effect to reduce the plastic deformation of plastic cement 5 to the full extent, to improve the table after plastic forming
Face quality, and increase the reliability connecting with metal shell 1 simultaneously.
To further increase the reliability that plastic cement 5 is connect with metal shell 1 by the structure for changing deep gouge 2, to prevent
Plastic cement 5 separates in subsequent use with metal shell 1, before injecting plastic cement 5 after opening up deep gouge 2 or to deep gouge 2, along deep gouge 2
Side process multiple wedge grooves 4 being evenly arranged.In this way, plastic cement 5 is located at the interior of deep gouge 2 after the injection of plastic cement 5 and plastic forming
Main part by the marginal portion and the metallic profiles that are located in wedge groove 4 form card and set and connect, and then increased plastic cement 5 and
The reliability that metal shell 1 connects.
Wedge groove 4 can be formed by punching press or drilling, and in a preferred embodiment of the invention, wedge groove 4 passes through milling
The milling of knife 6 forms.
It is formed as further preferred, above-mentioned deep gouge 2 by milling.
In injection plastic cement 5 and after making its plastic forming, to prevent reserved thin-walled 3 from continuing the signal of shielded antenna, need brokenly
Except reserved thin-walled 3, abolish reserved thin-walled 3 mode can there are many, using drill bit along reserving the edge of thin-walled 3 for reserved thin-walled 3
It cuts, but the impact force of drilling is larger, is easy to make the plastic cement 5 of plastic forming to loosen, in a preferred embodiment of the invention,
Abolish reserved thin-walled 3 using milling cutter 6, so that milling cutter 6 is moved about in the entire plate face of reserved thin-walled 3 with gradually reduce reserve it is thin
The thickness of wall 3.This, which abolishes mode, is advantageous in that, smaller to the impact of plastic cement 5.
The invention also discloses a kind of metal shell 1, which is will be with the integrally formed intermediate production of plastic cement 5
Product, metal shell 1 position corresponding with notebook computer antenna be formed with for plastic cement 5 inject deep gouge 2, deep gouge 2 not with gold
Belong to shell 1 to penetrate through so that a reserved thin-walled 3 is formed on the bottom of deep gouge 2, reserved thin-walled 3 after 5 plastic forming of plastic cement for abolishing.
It is of the invention for being different from the prior art be used for and plastic cement 5 one with the integrally formed metal shell 1 of plastic cement 5
The key of body formed metal shell 1 is: the prior art be plastic cement 5 is infused in the through-hole that metal shell 1 opens up, and this
Invention is that plastic cement 5 is injected into bottom to be formed in the deep gouge 2 of reserved thin-walled 3.The present invention injects plastic cement 5 using the above structure
Be advantageous in that: the plastic cement 5 of reserved 3 pairs of injections of thin-walled has holding effect to reduce the plastic deformation of plastic cement 5 to the full extent, from
And the surface quality after plastic forming is improved, and increase the reliability connecting with metal shell 1 simultaneously.
As further preferred, the side of deep gouge 2 has the wedge groove 4 being evenly arranged.The wedge groove 4 is for providing and moulding
The reliability that glue 5 connects.
As further preferred, reserving the ratio between thin-walled 3 and thickness of metal shell 1 is 0.2-1.0, even metal shell 1
Thickness 2mm, metal reserve thickness can choose between 1mm-0.4mm.
Above embodiments are only exemplary embodiment of the present invention, are not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can within the spirit and scope of the present invention make respectively the present invention
Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as being within the scope of the present invention.
Claims (10)
1. a kind of method of the injection molding on metal shell, which comprises the following steps:
S1: it processes to form a deep gouge in the outer surface inner surface of metal shell, and makes shape between the bottom of deep gouge and inner surface
At a reserved thin-walled；
S2: injecting plastic cement into deep gouge, and makes plastic cement plastic forming；
S3: reserved thin-walled is abolished.
2. the method for the injection molding according to claim 1 on metal shell, which is characterized in that implementation steps S2 it
Before, multiple wedge grooves being evenly arranged are processed along the side of deep gouge.
3. the method for the injection molding according to claim 2 on metal shell, which is characterized in that wedge groove passes through milling
Molding.
4. the method for the injection molding according to claim 1 on metal shell, which is characterized in that deep gouge is by being milled into
Type.
5. the method for the injection molding according to claim 1 on metal shell, which is characterized in that reserved thin-walled passes through milling
It cuts and abolishes.
6. a kind of manufacturing method of the metal shell of laptop, which comprises the following steps:
S10: metal shell die cast；
S20: the mating surface and matching hole of metal shell are processed；
S30: implement the method for injection molding on metal shell as described in claim 1 to 5 any one；
S40: polishing metal shell；
S50: metal shell is surface-treated.
7. the manufacturing method of the metal shell of the laptop according to claim 6, which is characterized in that step S50 packet
Include following steps:
S51: chemical surface treatment makes the surface of metal shell form oxygen to remove the greasy dirt and impurity of metal shell surface
Change film；
S52: spray treatment.
8. a kind of metal shell, be used for and plastic cement be integrally formed, which is characterized in that the metal shell with laptop day
The corresponding position of line is formed with the deep gouge for plastic cement injection, and the deep gouge is not penetrated through with the metal shell so that described heavy
One reserved thin-walled is formed on the bottom of slot, and the reserved thin-walled is used to keep injecting the plastic cement of the deep gouge and can be in the plastic cement
It is abolished after plastic forming.
9. metal shell according to claim 8, which is characterized in that the side of the deep gouge has the wedge shape being evenly arranged
Slot.
10. metal shell according to claim 8, which is characterized in that the thickness of the reserved thin-walled and the metal shell
The ratio between degree is any value in 0.2 to 1.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610168001.6A CN105773905B (en) | 2016-03-21 | 2016-03-21 | The method, the manufacturing method of the metal shell of laptop and metal shell of injection molding on metal shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610168001.6A CN105773905B (en) | 2016-03-21 | 2016-03-21 | The method, the manufacturing method of the metal shell of laptop and metal shell of injection molding on metal shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105773905A CN105773905A (en) | 2016-07-20 |
| CN105773905B true CN105773905B (en) | 2019-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610168001.6A Active CN105773905B (en) | 2016-03-21 | 2016-03-21 | The method, the manufacturing method of the metal shell of laptop and metal shell of injection molding on metal shell |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106102389B (en) | 2016-08-16 | 2018-05-29 | 广东欧珀移动通信有限公司 | A kind of processing method of housing, housing and mobile terminal |
| CN106163157B (en) * | 2016-08-25 | 2017-08-25 | 广东欧珀移动通信有限公司 | Mobile terminal, housing and its manufacture method |
| CN106848538B (en) * | 2017-01-17 | 2020-03-24 | Oppo广东移动通信有限公司 | Shell manufacturing method and mobile terminal |
| CN108039559B (en) * | 2017-12-01 | 2020-03-06 | Oppo广东移动通信有限公司 | Metal base material, middle frame assembly and electronic equipment |
| CN108274687A (en) * | 2018-03-27 | 2018-07-13 | 东莞市坚野材料科技有限公司 | A kind of non-crystaline amorphous metal combined housing and its forming method and application |
| CN108656444A (en) * | 2018-07-12 | 2018-10-16 | 苏州春秋电子科技股份有限公司 | Almag and the seamless compound notebook computer shell of plastic cement and its manufacturing method |
| CN111842856A (en) * | 2019-04-30 | 2020-10-30 | 华孚精密科技(马鞍山)有限公司 | Method for processing metal workpiece with ridge effect and product thereof |
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| CN101578019A (en) * | 2008-05-09 | 2009-11-11 | 富准精密工业(深圳)有限公司 | Electronic device shell and manufacture method thereof |
| CN102045968A (en) * | 2009-10-13 | 2011-05-04 | 康准电子科技（昆山）有限公司 | Shell and manufacturing method thereof |
| CN103506808A (en) * | 2012-06-27 | 2014-01-15 | 廖述源 | Manufacturing method and product of slim shell |
| US20160007493A1 (en) * | 2014-07-03 | 2016-01-07 | Htc Corporation | Method of fabricating housing and housing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101578019A (en) * | 2008-05-09 | 2009-11-11 | 富准精密工业(深圳)有限公司 | Electronic device shell and manufacture method thereof |
| CN102045968A (en) * | 2009-10-13 | 2011-05-04 | 康准电子科技（昆山）有限公司 | Shell and manufacturing method thereof |
| CN103506808A (en) * | 2012-06-27 | 2014-01-15 | 廖述源 | Manufacturing method and product of slim shell |
| US20160007493A1 (en) * | 2014-07-03 | 2016-01-07 | Htc Corporation | Method of fabricating housing and housing |
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| CN105773905A (en) | 2016-07-20 |
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