CN101428460A - Plastic material and metal component jointing method and products produced thereby - Google Patents
Plastic material and metal component jointing method and products produced thereby Download PDFInfo
- Publication number
- CN101428460A CN101428460A CNA2007101666791A CN200710166679A CN101428460A CN 101428460 A CN101428460 A CN 101428460A CN A2007101666791 A CNA2007101666791 A CN A2007101666791A CN 200710166679 A CN200710166679 A CN 200710166679A CN 101428460 A CN101428460 A CN 101428460A
- Authority
- CN
- China
- Prior art keywords
- plastic material
- metal parts
- mixture
- mould
- cement
- 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.)
- Pending
Links
Images
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a method for splicing plastic materials and metal components, which comprises the following steps: arranging the metal components in a die; injection-molding the liquated mixture of the plastic materials and a binding agent in the die; and cooling the mixture so as to splice the plastic materials and the metal components by the solidification molding of the plastic materials. The invention further discloses a plastic metal compound product using the method.
Description
Technical field
The present invention relates to the joint method of plastic material and metal parts, and pass through the plastic-metal joint product that this method obtains.
Background technology
In recent years, the product on the market is no longer only made by homogenous materials such as plastics or metals, for by both in conjunction with and the demand of the plastic-metal joint product made constantly increases.Plastic material has advantages such as elasticity, anticorrosion, deep drawing quality, plasticity is strong; And metal material has characteristics such as lustrous surface, the high and anti-scraping of intensity.The plastic-metal joint product can improve the performance of product in conjunction with the advantage of these two kinds of materials.
Plastic material and metal parts binding energy prevent the surperficial over-exposure of metal parts in air, moisture even corrosive chemical substance, and metal parts then can provide the surface of intensity and gloss.Increasing product is that plastic material and metal parts engage the plastic-metal joint product that forms on the market, for example, and phone housing, household appliances and articles for use, electronic equipment, communication apparatus, construction material, the vehicles etc.As shown in Figure 1, with the phone housing is example, wherein the phone housing main body of being made by plastic material 1 engages with metal parts 2 and 3, so that this phone housing has softness, is difficult for landing and advantage handsome in appearance in hand, can prevent again swiping simultaneously, wear-resisting, anticorrosion and can keep enough intensity.
At present, the plastic material of comparatively using always and the joint method of metal parts are the back-off joint methods.This method at first need be made back-off device on metal parts, will have the metal parts of back-off device to place mould on it then, and inject melted plastic material in mould.Treat the demoulding behind the plastic material coagulation forming, at this moment, metal parts just can link together by this back-off device and plastic material.Yet this joint method need be made the operation of back-off device, make its production time long, cost is high; And metal parts engages for point with plastic material or line engages, and engages and can not form good face, and its bond strength is not high.Therefore, the higher and poor-performing of production cost of the plastic-metal joint product of this method formation.
In addition, the open No.WO00/59990 A2 of international patent application also discloses the method for attachment of a kind of plastics material and metal parts.This method of attachment is at first at the surperficial coating adhesive polymer composition powder of metal parts, use plastic material that multiple injection moulding is carried out in the metal surface by injection moulding then, and metal parts is heated, so that the plastic material that contacts with metal parts is softening or fusing, make plastic material and metal parts purpose of connecting thereby reach.Though this method can make the surface of metal parts fully engage with plastic material, but it needs in advance the operation at metal part surface coating adhesive powder and heating of metal parts, thereby this method technology is comparatively numerous and diverse, and the production cost of the plastic-metal joint product that obtains thus is inevitable higher.
This shows that the joint method technology of existing plastic material and metal parts is numerous and diverse, the production time is longer, causes the production cost of plastic-metal joint product higher.The problem that exists in the joint method at above-mentioned plastic material and metal parts, the present invention proposes a kind of joint method of novelty, this method can be simplified the technological process that plastic material is engaged with metal parts, shorten the production cycle, and then reduce the production cost of the plastic-metal joint product of producing with the method.
Summary of the invention
The object of the present invention is to provide the joint method of plastic material and metal parts, this joint method comprises the steps: this metal parts is arranged in the mould; The molten mixture of this plastic material and cement is injected in this mould; Thereby and cool off this mixture and make this plastic material when coagulation forming, engage with metal parts.
In joint method of the present invention, plastic material directly engages with metal part surface in injection moulding process.Therefore, this method need not metal parts is carried out special processing, and the bonding station of metal parts and plastic material is not had special requirement, so can simplify technological process.
In addition, before with injection moulding process, need not, also need not metal parts is heated, perhaps specially treated is carried out in the junction between plastic material and the metal parts at metal material surface application of adhesive or additive, thereby can further simplify technological process, cut down finished cost.
In the method for the invention, this plastic material can be the butadiene-styrene rubber elastomer, and this cement can be the compound that contains maleic anhydride.In addition, in this mixture, plastic material can account for 50-80 weight %, and cement can account for 20-50 weight %.Preferably, this plastic material can account for 60-70 weight %, and cement can account for 30-40 weight %.
In traditional injection moulding process, owing to injection mold is formed by the metal manufacturing usually, so the mixture of plastic material and cement also can be bonding with the metal generation of mould, so be unfavorable for the moulding and the demoulding of plastic material.The present invention is set within the above-mentioned scope by the mixed proportion with plastic material and cement, just can prevent that the mixture of plastic material and cement is bonding with the metal generation of mould in injection moulding process.Thereby, can overcome the problems referred to above that occur in the traditional injection moulding method.
Preferably, be formed with sunk part on this mould, the shape of this sunk part corresponding to the shape of metal parts so that this metal parts is positioned.
This method can also be included in to be injected this mixture before this mould, and this mixture is remained on 170 ℃-190 ℃.Can prevent that thus this mixture from solidifying in advance.
In addition, method of the present invention also is included in and applies one deck coating on this mould inner surface, engages with this mould further to prevent this plastic material.This coating can be the TiAlN coating.
On the other hand, the present invention also provides a kind of plastic material and the formed plastic-metal joint product of metal parts, wherein be mixed with cement in this plastic material, contacting with the surface of this metal parts under molten condition, and this plastic material engages with metal parts when coagulation forming.
Utilize the joint method of plastic material of the present invention and metal parts, the technological process that plastic material is engaged with metal parts, the effect that shortens the production cycle can be realized simplifying, and then the production cost of the plastic-metal joint product of producing with the method can be reduced.
Description of drawings
Fig. 1 shows that plastic material engages with metal parts and the phone housing that forms.
The specific embodiment
Particularly, the method according to this invention at first is arranged in metal parts in the mould.This metal parts can be made by iron, steel, stainless steel or any other proper metal material.Mould used in the present invention is known for those skilled in the art, is not described in detail at this.Be shifted in follow-up injection step for fear of metal parts, the metal parts positioner can be set in mould, for example, on mould, form sunk part, the shape of this sunk part is corresponding to the shape of metal parts, thereby makes metal parts can place this sunk part, and in injection step, metal parts is limited in this sunk part, and can not be shifted.The degree of depth of sunk part can be determined according to the design of the plastic-metal joint product of required formation.In addition, for the ease of the demoulding and the surface of metal parts can fully be contacted with plastic material, the degree of depth of sunk part also can be less than or equal to the thickness of metal parts.
Subsequently, the molten mixture with plastic material and cement is injected in the above-mentioned mould.As an example, plastic material can be the butadiene-styrene rubber elastomer, and cement can be the compound that contains maleic anhydride.According to percentage by weight, plastic material can account for 50-80% in this mixture,, cement can account for 20-50%.Preferably, this plastic material can account for 60-70%, and cement can account for 30-40%
For the plastic material of fusion is provided, can use injection machine well known in the art.Particularly, at first make the rubber melting cylinder of injection machine be warming up to proper temperature, then the plastic material of having sneaked into cement is put into the feed hopper of injection machine, the rubber melting cylinder with injection machine softens into molten condition with it again.Subsequently, the nozzle by injection machine is ejected into the mixture of fusion in the mould.
In this mould, the plastic material of fusion contacts with metal part surface with the mixture of cement.Subsequently, cool off this mixture and this plastic material is combined with metal parts when coagulation forming, to form final plastic-metal joint product.At this moment, metal parts and plastic material are bonded together fully, thereby are easy to this plastic-metal joint product is carried out the demoulding.
As an example, if plastic material is the butadiene-styrene rubber elastomer, cement is the compound that contains maleic anhydride, and metal parts is fabricated from iron, and can engage operation according to following parameter and condition.Make rubber melting cylinder heat up and maintain 170 ℃-190 ℃ and form molten condition, and prevent that this mixture is set in the rubber melting cylinder with the mixture of molten plastic material and cement.Molten mixture is injected the mould be furnished with metal parts, this mixture is cooled to 20 ℃-30 ℃ temperature and coagulation forming.Wherein, can determine clamp force, material injection pressure and speed, dwell pressure and time, cool time according to Mould design; And final products are carried out the demoulding and thimble dynamics and the speed used can be determined according to bonding station, product structure and shape, the strength of materials of finished product; In addition, mould open/close speed can determine that these all are that this area is in common knowledge, are not described in detail at this according to demand, product discrete structure, the mould distance of production cycle.
Preferably, for the mixture that prevents plastic material and cement engages with mould, can apply one deck coating on the inner surface of mould before the mixture injection mould with plastic material and cement, for example, this coating can be the TiAlN coating.
Although described the present invention with reference to preferred embodiment, the present invention is not limited to this, and those of ordinary skill in the art can carry out various improvement and distortion to the present invention under the premise without departing from the spirit and scope of the present invention.
Claims (13)
1. the joint method of plastic material and metal parts comprises the steps:
This metal parts is arranged in the mould;
The molten mixture of this plastic material and cement is injected in this mould; And
Thereby cooling off this mixture makes this plastic material engage with metal parts when coagulation forming.
2. the joint method of claim 1, wherein, this plastic material is the butadiene-styrene rubber elastomer, this cement is the compound that contains maleic anhydride.
3. the joint method of claim 2, wherein, in this mixture, this plastic material accounts for 50-80 weight %, and this cement accounts for 20-50 weight %.
4. the joint method of claim 3, wherein, in this mixture, this plastic material accounts for 60-70 weight %, and this cement accounts for 30-40 weight %.
5. the joint method of claim 1 wherein, has the sunk part of formation on this mould, the shape of this sunk part corresponding to the shape of this metal parts so that this metal parts is positioned.
6. the joint method of claim 5, wherein, the degree of depth of this sunk part is less than or equal to the thickness of this metal parts.
7. the joint method of claim 1, wherein, this method also is included in to be injected this mixture before this mould, and this mixture is remained on 170 ℃-190 ℃.
8. each joint method in the claim 1 to 7, wherein, this method also is included in to be injected this mixture before this mould, applies one deck coating and engage with this mould to prevent this plastic material on this mould inner surface.
9. the joint method of claim 8, wherein, this coating is the TiAlN coating.
10. the formed plastic-metal joint product of plastic material and metal parts wherein be mixed with cement in this plastic material contacting with the surface of this metal parts under molten condition, and this plastic material engages with this metal parts when coagulation forming.
11. the joint method of claim 10, wherein, this plastic material is the butadiene-styrene rubber elastomer, and this cement is the compound that contains maleic anhydride.
12. the joint method of claim 11, wherein, this plastic material accounts for 50-80 weight % in this mixture, and this cement accounts for 20-50 weight %.
13. the joint method of claim 11, wherein, this plastic material accounts for 60-70 weight % in this mixture, and this cement accounts for 30-40 weight %.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101666791A CN101428460A (en) | 2007-11-05 | 2007-11-05 | Plastic material and metal component jointing method and products produced thereby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101666791A CN101428460A (en) | 2007-11-05 | 2007-11-05 | Plastic material and metal component jointing method and products produced thereby |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101428460A true CN101428460A (en) | 2009-05-13 |
Family
ID=40644208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101666791A Pending CN101428460A (en) | 2007-11-05 | 2007-11-05 | Plastic material and metal component jointing method and products produced thereby |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101428460A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931013A (en) * | 2011-08-08 | 2013-02-13 | 联想(北京)有限公司 | Workpiece and electronic equipment using same |
| CN105599237A (en) * | 2016-03-03 | 2016-05-25 | 云南科威液态金属谷研发有限公司 | Injection molding method for manufacturing metal-plastic composite structural part |
-
2007
- 2007-11-05 CN CNA2007101666791A patent/CN101428460A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931013A (en) * | 2011-08-08 | 2013-02-13 | 联想(北京)有限公司 | Workpiece and electronic equipment using same |
| CN105599237A (en) * | 2016-03-03 | 2016-05-25 | 云南科威液态金属谷研发有限公司 | Injection molding method for manufacturing metal-plastic composite structural part |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2060461C (en) | Method for manufacturing a plastic hollow product using water soluble resin | |
| KR101681015B1 (en) | Method for producing plastic molded parts having an integrated conductive track | |
| CN101108526B (en) | Double-shot molding method for vehicle internal decoration seat armrest | |
| CN108044871A (en) | A kind of Shooting Technique | |
| CN102615771B (en) | In molding label (IML) fitting method | |
| CN101547778A (en) | Metal adhesive moulding method and the product made by the method | |
| US11338483B2 (en) | Passive horn integrally formed by using thermoplastic vulcanized rubber and preparation method thereof | |
| CN107803967A (en) | One kind injection high smooth product is without pressurize moulding process | |
| CN101530240B (en) | Process method for attaching lace on brassiere cup | |
| CN105058668A (en) | Method and equipment for producing double-color solid silica gel products | |
| CN101428460A (en) | Plastic material and metal component jointing method and products produced thereby | |
| CN105058667A (en) | Manufacturing method and device for double-color bracelet | |
| CN103012957B (en) | Method for producing automobile valve cover or oil pan by using fiber reinforced modified polypropylene composite material | |
| CN105946329A (en) | Production technology for one-shot dry forming of car ceilings | |
| CN106753088B (en) | A kind of width processing temperature quickstick polyethylene hot-melt adhesive and the preparation method and application thereof | |
| CN110802821A (en) | Production method of coupler outer box | |
| CN109228133A (en) | A kind of double-shot molding method of vehicle internal decoration seat armrest | |
| CN107599300A (en) | A kind of auto parts and its manufacture method | |
| CN106514946A (en) | Double-material injection molding process | |
| KR20000076139A (en) | Process for manufacturing hollow plastic objects | |
| JP2009214371A (en) | Method for manufacturing fiber-reinforced composite material and fiber-reinforced composite material, method for manufacturing integrated structural member and integrated structural member | |
| CN100519131C (en) | Liquid silicon rubber composite forming technology | |
| CN109014193B (en) | Hot-working die forming method with conformal cooling function | |
| CN101327649B (en) | Injection moulding and attaching method for non-thermoplastic material | |
| CN101670670B (en) | Method for forming decorative materials in mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090513 |