CN108790013A - The complex and preparation method thereof of stainless steel part and plastic part - Google Patents
The complex and preparation method thereof of stainless steel part and plastic part Download PDFInfo
- Publication number
- CN108790013A CN108790013A CN201710312442.3A CN201710312442A CN108790013A CN 108790013 A CN108790013 A CN 108790013A CN 201710312442 A CN201710312442 A CN 201710312442A CN 108790013 A CN108790013 A CN 108790013A
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- Prior art keywords
- stainless steel
- steel part
- preparation
- chemical attack
- complex
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Classifications
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- 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
- 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
- B29C2045/1486—Details, accessories and auxiliary operations
- B29C2045/14868—Pretreatment of the insert, e.g. etching, cleaning
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
A kind of preparation method of the complex of stainless steel part and plastic part comprising following steps：A provides a stainless steel part；The stainless steel part is immersed in chemical attack solution and carries out chemical attack by B, with the surface of the stainless steel part formed micron order hole, the chemical attack solution include mass fraction be 3%~30% copper chloride, mass fraction be 2%~20% acetic acid, additive and water；C provides an injection forming mold, and treated that stainless steel part is placed in the injection forming mold is molded by above-mentioned chemical attack, so that the parts of plastics of melting incorporates the stainless steel part and has the surface of micron order hole；D cures the plastics and forms plastic part, the complex of the stainless steel part and plastic part is made.In addition, the present invention also provides the complexs of a kind of stainless steel part and plastic part.
Description
Technical field
The present invention relates to species complexs and preparation method thereof, more particularly to the complex of a kind of stainless steel part and plastic part
And the preparation method of the complex.
Background technology
The utilization of injection molding technology and glue adhering technique in electronic product is more and more extensive, by by metalwork and plastics
Part combines and forms complex to meet the demands such as appearance, waterproof.However, in existing metal and plastics combination technology, to plastics
Material limitation it is more, such as common engineering plastics such as polycarbonate plastic (PC), acrylonitrile-butadiene-styrene (ABS) be total
Polymers (ABS), ketone-grouped resin (PAEK) etc. are not easy to combine with metalwork, and in preparation process, glue spraying demand manpower is more,
Preparation flow is long and causes manufacturing cost height.
Invention content
In view of this, it is necessary to provide a kind of preparation method of the stainless steel part being firmly combined with and plastic part complex, with
It solves the above problems.
In addition, there is a need to the complex for providing a kind of stainless steel part and plastic part prepared by above-mentioned preparation method.
A kind of preparation method of the complex of stainless steel part and plastic part comprising following steps：
A provides a stainless steel part；
The stainless steel part is immersed in chemical attack solution and carries out chemical attack by B, on the surface of the stainless steel part
Micron order hole is formed, the chemical attack solution includes copper chloride, the mass fraction 2% that mass fraction is 3%~30%
~20% acetic acid, additive and water；
C provides an injection forming mold, and treated that stainless steel part is placed in the injection molding by above-mentioned chemical attack
It is molded in mold, so that the parts of plastics of melting incorporates the stainless steel part and has the surface of micron order hole；
D cures the plastics and forms plastic part, the complex of the stainless steel part and plastic part is made.
Stainless steel part and plastics prepared by a kind of preparation method of the complex of stainless steel part as described above and plastic part
The complex of part, including stainless steel part and injection molding are incorporated into the plastic part on the stainless steel part surface, it is characterised in that：It is described not
The surface of rust steel part is formed with several micron order holes towards inside, and the plastic part is incorporated into the stainless steel part with several micro-
On the surface of meter level hole.
The preparation method of the above-mentioned stainless steel part of the present invention and the complex of plastic part, preparation system is simple, operable
Property it is strong, mass production is convenient for, to improve production efficiency, and stainless steel part and plastics prepared by above-mentioned preparation method
The complex of part, due to foring interconnected micron order hole on stainless steel part so that the plastic part of various materials can
It is securely joined with the stainless steel part.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of the stainless steel part of an embodiment of the present invention.
Fig. 2 is the schematic cross-sectional view that stainless steel part surface shown in Fig. 1 forms micron order hole.
Fig. 3 is the scanning electron microscope (SEM) photograph of the stainless steel part shown in Fig. 2 with micron order hole.
Fig. 4 is that stainless steel part surface shown in Fig. 2 forms the compound of the stainless steel part and plastic part obtained after plastic part
The diagrammatic cross-section of body.
Fig. 5 is the flow chart of the preparation method of the stainless steel part of an embodiment of the present invention and the complex of plastic part
Main element symbol description
| The complex of stainless steel part and plastic part | 100 |
| Stainless steel part | 10 |
| Micron order hole | 11 |
| Plastic part | 20 |
Following specific implementation mode will be further illustrated the present invention in conjunction with above-mentioned attached drawing.
Specific implementation mode
Below in conjunction with the attached drawing in embodiment of the present invention, the technical solution in embodiment of the present invention is carried out clear
Chu is fully described by, it is clear that described embodiment is only some embodiments of the invention, rather than whole implementation
Mode.Based on the embodiment in the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It should be noted that when an element is considered as " connection " another element, it can be directly to separately
One element may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant Listed Items.
It please refers to Fig.1 to Fig. 5, the preparation side of the stainless steel part of an embodiment of the present invention and the complex 100 of plastic part
Method includes the following steps：
Step S101 provides a stainless steel part 10.
Step S102 carries out degreasing degreasing processing, so that the surface of the stainless steel part 10 is clear to the stainless steel part 10
It is clean.
In present embodiment, the technique of above-mentioned degreasing degreasing processing is：The stainless steel part 10 is carried out using cleaning agent
Then ultrasonic cleaning again washes the stainless steel part 10 after cleaning.Above-mentioned cleaning agent is the alkalinity that can remove grease
Cleaning agent.
Step S103 carries out pickling processes to the degreasing degreasing treated 10 surface of stainless steel part.
Specifically, by above-mentioned degreasing degreasing, treated that the stainless steel part 10 is soaked in dilute nitric acid solution is viscous to neutralize
The alkaline matter for investing 10 surface of the stainless steel part, to slough the alkalinity cleaning for remaining on 10 surface of the stainless steel part
Agent.
Step S104 carries out chemical attack to the surface of the stainless steel part 10 after pickling processes, makes stainless steel part 10 by institute
The surface for stating stainless steel part 10 forms several interconnected micron order holes 13 (as shown in Figures 2 and 3) towards internal.It is described
Micron order hole 13 is uniformly distributed in the surface of the stainless steel part 10.
Specifically, the stainless steel part 10 after pickling processes is repeated to be immersed in the chemistry corruption that temperature is 50 DEG C~90 DEG C
It loses solution and carries out chemical attack to form micron order hole 13.
Preferably, the stainless steel part 10 after pickling processes is repeated to be immersed in the chemistry corruption that temperature is 50 DEG C~90 DEG C
Lose solution 3~6 times, each Immersion time is 1min~10min.
The chemical attack solution include mass fraction be 3%~30% copper chloride, mass fraction be 2%~20%
Acetic acid, additive and water.The additive include iron chloride, lactic acid, malic acid it is one or more.The iron chloride is in institute
It is 1%~10% to state the mass fraction in chemical attack solution, mass fraction of the lactic acid in the chemical attack solution
It is 0.1%~8%, mass fraction of the malic acid in the chemical attack solution is 0.5%~5%.
The aperture of the micron order hole 13 is 30 μm~80 μm, and the hole depth of the micron order hole 13 is 30 μm~80 μ
m。
The above-mentioned stainless steel part 10 after chemical attack is placed in dilute nitric acid solution and carries out activation process by step S105,
And surface reaming is carried out to the micron order hole 11, to remove 11 surface of micron order hole after chemical attack is handled
Washing is then taken out in the part of loosening.
Step S106 carries out ultrasonic wave water washing 3min~5min to the stainless steel part 10 after above-mentioned activation process, to remove
Remain on the acidic materials in the micron order hole 11.
Step S107 carries out drying and processing, to remove 10 surface of stainless steel part to the stainless steel part 10 after ultrasonic wave water washing
The remaining water of institute.
Step S108, as shown in Figures 4 and 5, the stainless steel part 10 after above-mentioned drying and processing are formed with micron order hole
11 surface carries out injection molding, with form plastic part 20 on 10 surface of the stainless steel part to be prepared stainless steel part with
The complex 100 of plastic part.
Specifically, the stainless steel part 10 with micron order hole 11 by above-mentioned after drying and processing is placed in injection molding
In mold, the plastics of melting are injected on the surface that the stainless steel part 10 has micron order hole 11, the plastics of high fluidity
Part flows into the micron order hole 11 to fill the micron order hole 11 so that the plastic part 20 formed after solidification and institute
It states micron order hole 11 and generates mechanical snap, to the combination being effectively improved between plastic part 20 and the stainless steel part 10
Power so that have between the stainless steel part 10 and plastic part 20 in the complex 100 of the stainless steel part and plastic part higher
Bond strength.
The material of the plastic part 20 can be crystalline thermoplastic material or non-crystalline type thermoplastic.The crystallization
Plastic can be selected from but be not limited only to polyphenylene sulfide plastic (PPS), Maranyl (PA), polybutylene terephthalate (PBT) modeling
Expect (PBT), polycarbonate plastic (PC), ethylene glycol terephthalate (PET) plastics.The non-crystalline plastics can be selected from but
It is not limited only to polycarbonate plastic (PC), acrylonitrile-butadiene-styrene copolymer (ABS), polyether sulfone plastic (PES), polysulfones
At least one of plastics (PSF), ketone-grouped resin (PAEK), polyetherimide (PEI) and acrylic plastics (PMMA) etc..
It is appreciated that above-mentioned steps S104 can also be substituted by following steps：
Electrochemical treatments are carried out to the surface of the stainless steel part 10 after pickling processes, make the stainless steel part 10 by the table
Several interconnected micron order holes 11 are formed facing towards inside.The micron order hole 11 is uniformly distributed in the stainless steel
The surface of part 10.
Specifically, the electrochemical treatments are using graphite cake as cathode, and stainless steel part 10 is used as anode, and is in temperature
To the processing of the surface electrochemistry of stainless steel part 10 in 10 DEG C~40 DEG C of electrolyte, to form one layer of uniform and fine and close porous oxygen
Change layer.
The voltage of the electrochemical treatments is chosen to be 10V~30V.
The electrolyte include mass fraction be mass fraction be 0.1%~6% ammonium chloride,
1%~15% sodium dihydrogen phosphate, ammonium fluoride, additive and the water that mass fraction is 0.01~3%.It is described to add
Add agent include polyethylene glycol, methenamine, sulfuric acid, citric acid it is one or more.The matter of the polyethylene glycol in the electrolytic solution
It is 0.1%~0.5% to measure score, and the mass fraction of the methenamine in the electrolytic solution is 0.1%~2%, and the sulfuric acid exists
Mass fraction in electrolyte is 0.1%~5%, and the mass fraction of the citric acid in the electrolytic solution is 0.2%~1%.
The aperture of the micron order hole 11 is 30 μm~80 μm, and the hole depth of the micron order hole 11 is 30 μm~80 μ
m。
It is appreciated that the clear of other removable greases such as alcoholic solution, acetone soln can also be used in above-mentioned steps S102
Lotion, then step S103 can omit.
Referring to Fig. 4, stainless steel part and the plastic part made from above-mentioned preparation method of a better embodiment of the invention
Complex 100 comprising stainless steel part 10 and the plastic part 20 for being incorporated into rust steel part 10 surface.
The surface that the rust steel part 10 is combined with the plastic part 20 is inwardly formed several interconnected micrometer grade holes
The aperture in hole 11, the micron order hole 11 is 30 μm~80 μm, and the hole depth of the micron order hole 11 is 30 μm~80 μm.
It is described several interconnected that the presence of the micron order hole 11 so that the partly plastic of the plastic part 20 is embedded into
Micron order hole 11 in, the effect of similar lock is generated, so that the plastic part 20 is securely joined in described stainless
Steel part 10.
The test of tensile strength, test are carried out to the complex 100 of the plastic part 20 obtained using different plastic materials
As a result it is recorded in table 1.
Table 1
The preparation method of the stainless steel part of the present invention and the complex 100 of plastic part, preparation system is simple, operability
By force, it is convenient for mass production, to improve production efficiency, and stainless steel part and plastic part prepared by above-mentioned preparation method
Complex 100, due to foring interconnected micron order hole 11 on stainless steel part 10 so that the plastic part of various materials
20 can be securely joined with the stainless steel part 10, improve the plastic part 20 of the complex 100 of stainless steel part and plastic part
With the binding force of Al-alloy parts 10；Meanwhile certain deformation can occur for having for the complex 100 of stainless steel part and plastic part
Plastic part 20 improves leakproofness and waterproof effect when stainless steel part is combined with the complex 100 of plastic part with other workpiece.
In addition, for those of ordinary skill in the art, can be made with technique according to the invention design other each
It is kind corresponding to change and deformation, and all these changes and deformation should all belong to the protection domain of the claims in the present invention.
Claims (10)
1. a kind of preparation method of the complex of stainless steel part and plastic part comprising following steps：
A provides a stainless steel part；
The stainless steel part is immersed in chemical attack solution and carries out chemical attack by B, to be formed on the surface of the stainless steel part
Micron order hole, the chemical attack solution include mass fraction be 3%~30% copper chloride, mass fraction be 2%~
20% acetic acid, additive and water；
C provides an injection forming mold, and treated that stainless steel part is placed in the injection forming mold by above-mentioned chemical attack
In be molded so that melting parts of plastics incorporate the stainless steel part have micron order hole surface；
D cures the plastics and forms plastic part, the complex of the stainless steel part and plastic part is made.
2. preparation method as described in claim 1, it is characterised in that：The aperture of the micron order hole is 30 μm~80 μm,
Hole depth is 30 μm~80 μm.
3. preparation method as described in claim 1, it is characterised in that：Further include step before carrying out above-mentioned steps B：
Degreasing degreasing processing is carried out to the stainless steel part with cleaning agent.
4. preparation method as claimed in claim 3, it is characterised in that：The cleaning agent is alkaline cleaner.
5. preparation method as claimed in claim 4, it is characterised in that：Step " takes off the stainless steel part with cleaning agent
Further include step after fat oil removal treatment "：
By degreasing degreasing, treated that the stainless steel part is soaked in dilute nitric acid solution is adhered to the stainless steel part to neutralize
The alkaline cleaner on surface.
6. preparation method as described in claim 1, it is characterised in that：Further include step after carrying out above-mentioned steps B：
By above-mentioned chemical attack, treated that stainless steel part is placed in dilute nitric acid solution carries out activation process；
Ultrasonic wave water washing is carried out to the stainless steel part after above-mentioned activation process and carries out drying and processing.
7. preparation method as described in claim 1, it is characterised in that：The additive includes iron chloride, lactic acid, malic acid
It is one or more.
8. preparation method as claimed in claim 7, it is characterised in that：Matter of the iron chloride in the chemical attack solution
It is 1%~10% to measure score, and mass fraction of the lactic acid in the chemical attack solution is 0.1%~8%, the apple
Mass fraction of the acid in the chemical attack solution is 0.5%~5%.
9. a kind of as prepared by the preparation method of stainless steel part according to any one of claims 1 to 8 and the complex of plastic part
Stainless steel part and plastic part complex, including stainless steel part and injection molding be incorporated into the plastic part on the stainless steel part surface,
It is characterized in that：The surface of the stainless steel part is formed with several micron order holes towards inside, and the plastic part is incorporated into described
Stainless steel part has on the surface of several micron order holes.
10. complex as claimed in claim 9, it is characterised in that：The aperture of the micron order hole is 30 μm~80 μm, hole
Depth is 30 μm~80 μm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710312442.3A CN108790013B (en) | 2017-05-05 | 2017-05-05 | Composite body of stainless steel part and plastic part and preparation method thereof |
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| CN201710312442.3A CN108790013B (en) | 2017-05-05 | 2017-05-05 | Composite body of stainless steel part and plastic part and preparation method thereof |
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| CN108790013A true CN108790013A (en) | 2018-11-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112301349A (en) * | 2019-08-01 | 2021-02-02 | 深圳市裕展精密科技有限公司 | Etching method and metal product thereof |
| CN113001876A (en) * | 2021-02-23 | 2021-06-22 | 陆海兵 | Chemical pretreatment process for combining stainless steel and aluminum alloy composite metal with plastic |
| CN114619364A (en) * | 2021-04-26 | 2022-06-14 | 宁波赢伟泰科新材料有限公司 | Method for manufacturing retaining ring for chemical mechanical polishing process |
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| CN108790013B (en) | 2021-08-27 |
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Address after: 518109 Foxconn H5 plant 101, No. 2, Donghuan 2nd Road, Fukang community, Longhua street, Longhua District, Shenzhen, Guangdong Province; plant 5, building C09, 4th floor, building C07, 2nd floor, building C08, 3rd floor, 4th floor, building C04, zone B, Foxconn Hongguan science and Technology Park, Fucheng Dasan community, Guanlan street, Guangdong Province Patentee after: Fulian Yuzhan Technology (Shenzhen) Co.,Ltd. Address before: 518109 Shenzhen Guanlan Foxconn Science and Technology Park, Guangdong Province, District B workshop 5 C09 4 storeys, C07 2 storeys, C08 3 storeys 4 storeys, C04 1 Patentee before: SHENZHENSHI YUZHAN PRECISION TECHNOLOGY Co.,Ltd. |