CN204936373U - The complex of metal and resin and apply the housing of this complex - Google Patents
The complex of metal and resin and apply the housing of this complex Download PDFInfo
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- CN204936373U CN204936373U CN201420343318.5U CN201420343318U CN204936373U CN 204936373 U CN204936373 U CN 204936373U CN 201420343318 U CN201420343318 U CN 201420343318U CN 204936373 U CN204936373 U CN 204936373U
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Abstract
The utility model provides the complex of a kind of metal and resin and applies the housing of this complex, this complex comprises: the base material of metal alloy and resin combination, the base material of said metal alloy, after being processed into the shape of needs, by carrying out the process of secondary pore-forming on anodic oxidation fenestra basis, define some composite Nano holes, this composite Nano hole uniform fold is on the whole surface of the base material of said metal alloy, described composite Nano bore dia is 10-30nm, degree of depth 20-500nm, affiliated resin combination is inserted in described composite Nano hole, combine with the base material of said metal alloy, form the complex of metal and resin.The utility model can make the adhesion of metal and resin firm further.
Description
Technical field
The utility model belongs to metal insert field shaping technique, is specifically related to a kind of metal and resin composite body.
Background technology
By the technology of metal and synthetic resin integration, be required by the wide industrial fields such as parts manufacturing industry such as automobile, domestic electrification goods, industrial equipment, develop a large amount of bonding agent for this reason.Such as, normal temperature or play the bonding agent of function by heating, is used to the joint by metal and synthetic resin integration.
Also the complex more reasonably forming metal and resin studied and not use bonding agent is had.For magnesium, aluminium, as the light metal class of its alloy, or the ferroalloy class such as stainless steel, do not use bonding agent and by the engineering resin of high strength integration, be wherein an example in order to make the combination of metal and plastic cement more solid and reliable, general before injection moulding, in the process of metal insert, can by metal designs, manufacture the structure of definite shape, as designed on metal and manufacturing buckle structure, bolt arrangement etc., flow in injection moulding process to make plastic cement and be filled into the buckle of metal, in the structures such as bolt, thus make metal mutually be engaged with plastic cement two parts and strengthen fastness.
But the combination of above-mentioned metal and resin, make the process-cycle of metal elongated, production cost improve because of designing and producing of labyrinth such as the buckle on metal insert, bolts, and the structure of complexity is difficult to be applicable to undersized metalwork, range of application is limited.In addition, the metal only using binding agent or have a labyrinth such as buckle, bolt is as inserts, and in injection moulding process, very easily occur that plastic cement injection moulding in metal structure is discontented with or the phenomenon of the glue that overflows, yields is not high.
Utility model content
The purpose of this utility model is to provide the complex of metal that a kind of adhesion is strong and resin, and this complex comprises:
The base material of metal alloy and resin combination,
The base material of said metal alloy, after being processed into the shape of needs, by carrying out the process of secondary pore-forming on anodic oxidation fenestra basis, define some composite Nano holes, this composite Nano hole uniform fold is on the whole surface of the base material of said metal alloy, and described composite Nano bore dia is 10-30nm, degree of depth 20-500nm, affiliated resin combination is inserted in described composite Nano hole, combines with the base material of said metal alloy, forms the complex of metal and resin.
Preferably, described metal alloy is aluminium alloy.
Preferably, described composite Nano hole surface has nitrogen-atoms.
The utility model additionally provides a kind of housing, and this housing comprises the complex of metal as above described in any one and resin.
Preferably, this housing is the shell of mobile phone or the shell of computer.
The beneficial effects of the utility model are: the utility model does not adopt the mode of conventional etch to form composite Nano hole, but adopt secondary pore-forming process on anodic oxidation fenestra basis, define composite Nano hole, so, this technique avoids the risk that conventional etching processes is easily corroded, not only increase the adhesion of metal and resin, and the stability that metal is combined with plastic cement also increases greatly.
Meanwhile, show there is nitrogen-atoms in composite Nano hole, further increase the adhesion of resin and metal.
Accompanying drawing explanation
Fig. 1 is the flow chart that the utility model provides the preparation method of metal and resin composite body;
Fig. 2 is the phone housing that have employed metal that the utility model provides and resin composite body.
Detailed description of the invention
Be described in detail below in conjunction with specific embodiment and the right technical scheme of accompanying drawing, to make it clearly.Following examples are only in order to describe the comparatively detailed embodiment cited by the utility model, and conduct is not to restriction of the present utility model.
The complex of the metal that the utility model provides and resin, this complex comprises:
The base material of metal alloy and resin combination,
The base material of said metal alloy, after being processed into the shape of needs, by carrying out the process of secondary pore-forming on anodic oxidation fenestra basis, define some composite Nano holes, this composite Nano hole uniform fold is on the whole surface of the base material of said metal alloy, and described composite Nano bore dia is 10-30nm, degree of depth 20-500nm, affiliated resin combination is inserted in described composite Nano hole, combines with the base material of said metal alloy, forms the complex of metal and resin.
Described metal alloy is aluminium alloy.
Resin combination is one in polyphenylene sulfide, saturated polyester terephthaldehyde acid butyl ester, polyamide or its any combination.
Described composite Nano hole surface has nitrogen-atoms.
Present invention also offers a kind of housing, this housing comprises the complex of metal as above described in any one and resin.
This housing is the shell of mobile phone or the shell of computer.In other words, the complex of metal and resin can be applied to the shell of mobile phone, the shell of computer, or the shell of ipad etc.
See Fig. 2, this housing is the shell m of mobile phone.
In order to obtain the complex of metal that the utility model provides and resin, the method making this complex is, see Fig. 1:
Step S11, clean metal surface.
Step S12, form oxidation film layer in metal surface, the thickness of described oxidation film layer is 2-5um, and defines fenestra at oxidation film layer.
Step S13, pore-forming process, is further processed described fenestra, forms composite Nano hole.
Step S14, resin by injection enters composite Nano hole, completes the combination of metal and resin.
Metal and resin are combined according to above-mentioned step, defines the faying face of metal and resin.
Be described for aluminium alloy below.
In step S11, the method on described clean metal surface comprises:
Use the alkalescent greasy dirt of solution removal metal surface, to remove product surface greasy dirt and CNC processes the turning liquid brought into.
Use the acid greasy dirt of solution removal metal surface, to remove metal surface greasy dirt further.
Alkaline etching, further wipe oil, and the natural surface film removing metal shell, with further wipe oil, and remove the natural surface film of aluminum alloy casing, makes ensuing oxidation form uniform fenestra.
Above-mentioned three steps can be accepted or rejected according to actual conditions.
Use the alkalescent oil of solution removal metal surface, condition is: be in the solution of 5-20% at concentration of sodium carbonate, is to carry out 30 seconds-300 seconds under the condition of 40-70 degree Celsius in temperature.
Use the acid-soluble oil of solution removal metal surface, condition is: be in the solution of 5-10% in the concentration of sulfuric acid or nitric acid, at normal temperatures, carries out 10-120 second.
Alkaline etching, condition is: be in the solution of 3-10% in the concentration of NaOH, under the condition of 40-70 degree Celsius, carries out 5-120 second.
In step S12, in the described method forming oxidation film layer in metal surface be:
Metal is put into solution to carry out oxidation and form oxide-film, condition is: be 10-20% in the concentration of sulfuric acid or phosphoric acid or oxalic acid be in solution, and under the condition of 18-21 degree Celsius and 18-22V voltage, carry out 5-15 minute, the oxide thickness of formation is 2-5um.Object: for aluminium alloy, formation one deck alumite protection aluminium is not corroded in rear operation and institutional framework is not destroyed, and utilizes the adhesion of the enhancing of oxidation fenestra and plastic cement simultaneously.
In step S13, the method for pore-forming process is: dissolved by other impurity components in metal alloy and form composite Nano hole.
For aluminium alloy, remove other metal ingredients in aluminium alloy exactly and dissolve formation composite Nano hole.
There are other metal ingredients a certain proportion of in various aluminium alloy; these compositions are as Mg; Fe; Cu; Mn etc.; first aluminium alloy is formed layer protecting film, then other alloys slowly dissolved outside oxide film dissolving layer through special solution are a certain or Multiple components progressively form the composite Nano hole of countless special shape.These composite Nano bore dias 10-30nm, degree of depth 20-500nm.These composite Nano holes energy uniform folds are in whole metal surface, (full name is polyphenylene sulfide to make PPS, English name is Polyphenylenesulfide, be called for short PPS), PBT (saturated polyester terephthaldehyde acid butyl ester PolybutyleceTerephthalate), the resins such as PA (nylon, polyamide PolyamidePA) can enter smoothly in these composite Nano holes and also firmly promptly reach superpower adhesion.
These special lysates are by acid or alkaline solution and corrosion inhibiter, and PH stabilizing agent etc. become to be grouped into, and acid or alkalies all has certain reproducibility, and the oxide-film simultaneously reducing aluminium dissolves, select weak acid or weak base better. as sal-ammoniac, ammonium fluoride; Alkalescent selects sodium carbonate, KBH3 etc.; Corrosion inhibiter reduces solution to the corrosion of metal surface, generally selects BTA, the toluene thiocarbamide, dipropyl sulfide, diamyl amine, formaldehyde, contraposition thiocresol etc. of ortho position and contraposition; PH value stabilizing agent generally selects H3BO3 etc.
Also comprise the steps: after formation composite Nano hole
Inhale nitrogen process, attached nitrogen atom on composite Nano hole, improve and the plastic cement adhesion under molten condition.
Also comprised the steps: before formation composite Nano hole
Fenestra cleans, for adjusting the fenestra uniformity.
In order to improve the adhesion of metal and resin, the step of pore-forming can comprise fenestra cleaning, forms composite Nano hole, inhale nitrogen process three steps.But fenestra cleaning and to inhale nitrogen process be adhesion in order to better improve metal and resin, so not necessarily step.Composition depending on aluminium alloy need repeat fenestra cleaning, forms composite Nano hole, inhale 1-3 the circulation of nitrogen process three operations.As 5052 materials.The step of 6 material requires being at pore-forming is repeated 2-3 time.
Fenestra cleans, the adjustment fenestra uniformity; Condition is: be in the solution of 20-40% at titanium sulfate or titanium dioxide concentration, soaks 10 seconds-300 seconds, solution ph: 8 ~ 11 under the condition of temperature 20-60 degree Celsius;
Pore-forming process, dissolves other metal ingredients in metal alloy and forms nano-pore; Condition is: be in the solution in 20-40% in concentration, soaks 10 seconds-300 seconds under the condition of temperature 20-60 degree Celsius; Pore-forming Treatment Solution refers to sal-ammoniac, ammonium fluoride, sodium carbonate, and the concentration of KBH3 one or more mixtures is wherein 20-40%; Solution ph: 8 ~ 11. pore-forming treatment process generally need to carry out repeating for 1-3 time;
Inhale nitrogen process, attached nitrogen atom on fenestra, improve and the plastic cement adhesion under molten condition; Condition is: be in the solution of 20-40% in nitrogenous material concentration, soaks 10 seconds-300 seconds, solution ph: 8 ~ 11 under the condition of temperature: 20-60 degree Celsius.
After step s 13, before step S14, enter nano-pore at resin by injection, also comprise before completing the combination of metal and resin: metal surface is dried.At 60-70 degree baking 20-30 minute, make product surface fully dry; Pack with airtight poly-bag after oven dry.
Be not filled for making composite Nano hole and corrode, product carries out injection moulding in airtight preservation in 30 days, (full name is polyphenylene sulfide to the above-mentioned PPS mentioned of Choosing Injection Mould Material, English name is Polyphenylenesulfide, be called for short PPS), PBT (saturated polyester terephthaldehyde acid butyl ester PolybutyleceTerephthalate), the resins such as PA (nylon, polyamide PolyamidePA).The Shooting Technique that injecting condition is commonly used with reference to existing market.Such as: for PPS resin, mold temperature at 140-160 degree, gun barrel temperature 300-320 degree etc.; For PBT resin, mold temperature at 140-160 degree, gun barrel temperature 230-260 degree etc.
After step s 14, resin by injection enters nano-pore, also comprises after completing the combination of metal and resin:
The combination of baking metal and resin, to eliminate internal stress of resin.After injection moulding completes, needs carry out baking elimination internal stress of resin, baking condition: 150-170 degree, 1-2 hour.
Below for aluminium alloy, tell about the method for aluminium alloy and resin-bonded in detail.
Buy the Al6061 aluminium alloy that commercially available original thickness is 1.5mm, cut into the rectangular pieces that multiple size is 18mm × 45mm, be made as the aluminum alloy sheet of aluminum alloy base material. 2 through holes are opened in the end of this aluminum alloy sheet, 2 through holes are utilized firmly to tangle with the titanium hanger that market is general. early use the aqueous solution 60 DEG C containing aluminium alloy degreasing agent " HY-305 (Hongyi Inc.) " 10% in groove, aluminum alloy sheet is flooded wherein 5 minutes, washes with running water.
Then, the aqueous solution containing NaOH5% that temperature is 60 DEG C is prepared in other groove, aluminum alloy sheet is flooded wherein 30 seconds, clean with running water. again the aluminum alloy sheet of this washing is put into anodizing tank voltage 20V, temperature 20 DEG C, concentration is be oxidized 3 minutes in the sulfuric acid dope of 10%, fully washes after taking-up with ion exchange water;
The fenestra cleaning agent aqueous solution that temperature is 40 DEG C is prepared in other groove, this aluminum alloy sheet is flooded wherein 30 seconds, fully to wash with ion exchange water. the aqueous solution again aluminum alloy sheet that this is washed being put into the pore former of temperature 40 DEG C floods 30 seconds, fully wash with ion exchange water, put at the aluminum alloy sheet this washed the suction nitrogen aqueous solution dipping 30 seconds that temperature is 40 DEG C, and this step is repeated an
Again the aluminum alloy sheet completing these techniques is put into the baking box being set as 60 DEG C dry 20 minutes.
Injection moulding aluminum alloy sheet prepares is taken off from titanium hanger, this time injection moulding adopts the horizontal injection press device of the ENGE brand of 45T, PPS1135ML (Japanese Poly company selected by resin, containing 35%GF) black micelle and PBT930HL (Japanese Poly company, containing 30%GF) white micelle. get five and put into the injection mold that actual temperature reaches 150 DEG C, PPS1135ML (Japanese Poly company) black plastic particle is added in charging basket, barrel temperature being raised to 310 DEG C and starting injection moulding. after injection moulding completes, taking-up aluminium flake is transferred to 170 degree of oven for baking and is eliminated internal stress of resin in 1 hour.
Get five aluminum alloy sheets and put into the injection mold that actual temperature reaches 150 DEG C, PBT930HL (Japanese Poly company) white plastic particle being added in charging basket, barrel temperature is raised to 260 DEG C and starts injection moulding. after injection moulding completes, taking-up aluminium flake is transferred to 150 degree of oven for baking and is eliminated internal stress of resin in 1 hour.
To be baked completing when also oven temperature cools naturally takes out the injection-molded plaques completed, carry out pulling capacity test, the test pieces be combined with PPS1135ML obtain the bonded area that adhesion test result is every square centimeter and all reach more than 40MPa. the test pieces be combined with PBT930HL obtain adhesion test result every square centimeter bonded area all reach more than 30MPa.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with claims.
Claims (5)
1. a complex for metal and resin, is characterized in that, this complex comprises:
The base material of metal alloy and resin combination,
The base material of said metal alloy, after being processed into the shape of needs, by carrying out the process of secondary pore-forming on anodic oxidation fenestra basis, define some composite Nano holes, this composite Nano hole uniform fold is on the whole surface of the base material of said metal alloy, and described composite Nano bore dia is 10-30nm, degree of depth 20-500nm, affiliated resin combination is inserted in described composite Nano hole, combines with the base material of said metal alloy, forms the complex of metal and resin.
2. the complex of metal according to claim 1 and resin, is characterized in that,
Described metal alloy is aluminium alloy.
3. the complex of metal according to claim 1 and 2 and resin, is characterized in that, described composite Nano hole surface has nitrogen-atoms.
4. a housing, is characterized in that, this housing comprises the complex of metal described in any one of claim 1-3 and resin.
5. want the housing described in 1 according to right, it is characterized in that, this housing is the shell of mobile phone or the shell of computer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420343318.5U CN204936373U (en) | 2014-06-19 | 2014-06-19 | The complex of metal and resin and apply the housing of this complex |
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| CN201420343318.5U CN204936373U (en) | 2014-06-19 | 2014-06-19 | The complex of metal and resin and apply the housing of this complex |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108000795A (en) * | 2017-12-03 | 2018-05-08 | 无锡市恒利弘实业有限公司 | A kind of preparation method and application of composite material for nanometer injection molding |
| CN108034983A (en) * | 2017-12-08 | 2018-05-15 | 博罗县东明化工有限公司 | The preparation method of the complex of surface treatment method of Mg alloy and magnesium alloy and resin |
-
2014
- 2014-06-19 CN CN201420343318.5U patent/CN204936373U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108000795A (en) * | 2017-12-03 | 2018-05-08 | 无锡市恒利弘实业有限公司 | A kind of preparation method and application of composite material for nanometer injection molding |
| CN108000795B (en) * | 2017-12-03 | 2019-08-27 | 无锡市恒利弘实业有限公司 | A kind of preparation method and application of the composite material for nanometer injection molding |
| CN108034983A (en) * | 2017-12-08 | 2018-05-15 | 博罗县东明化工有限公司 | The preparation method of the complex of surface treatment method of Mg alloy and magnesium alloy and resin |
| CN108034983B (en) * | 2017-12-08 | 2019-08-30 | 博罗县东明化工有限公司 | The preparation method of the complex of surface treatment method of Mg alloy and magnesium alloy and resin |
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