CN105390842A - Electrical connector - Google Patents
Electrical connector Download PDFInfo
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- CN105390842A CN105390842A CN201510688126.7A CN201510688126A CN105390842A CN 105390842 A CN105390842 A CN 105390842A CN 201510688126 A CN201510688126 A CN 201510688126A CN 105390842 A CN105390842 A CN 105390842A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L59/00—Compositions of polyacetals; Compositions of derivatives of polyacetals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/516—Means for holding or embracing insulating body, e.g. casing, hoods
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/18—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing bases or cases for contact members
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention belongs to the field of electrical and signal connection technologies, and particularly relates to an electrical connector. The electrical connector comprises an inner conductor, an installation board and a shell body, and is characterized in that: the inner conductor is made of copper alloy, and is composed of the following components by weight: 0.012 to 0.043% of cobalt, 0.034 to 0.045% of vanadium, 0.038 to 0.045% of manganese, 0.078 to 0.088% of zinc, 0.12 to 0.20% of silicon, 0.020 to 0.032% of samarium, 0.032 to 0.042% of titanium, 0.022 to 0.034% of tin, 0.045 to 0.056% of nickel, and the balance being copper. The inner conductor adopted by the electrical connector has excellent conductive performance and high strength, the tensile strength thereof reaches 610 to 635Mpa, the conductivity ranges from 81 to 83.5% IACS, and the softening-resistant temperature reaches 455 to 468 DEG C.
Description
Technical field
The invention belongs to electric and signal interconnection technique field, be specifically related to a kind of electric connector.
Background technology
Electric connector, is widely used in the needs such as building machinery, tobacco machine, textile machine, printing machinery, electric locomotive and petrochemical industry be electric and carries out in the equipment be electrically connected with signal.At present, electric connector is mainly all gas tightness and sealing, primarily of an inner wire, mounting panel and a housing composition.Generally can plate layer of metal film outside inner wire, as gold, nickel, tin etc., and this metal film can only reduce its sheet resistance value, still can cause excessive intensification during big current transmission.In the prior art, housing many employings alloy, and weight alloy is large, the application as the fields such as Aero-Space then this electric connector will be limited to.And inner wire generally adopts bronze, after itself and mounting panel sealing-in, be difficult to again the enough rigidity of maintenance to support that the plug of high strength connects.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of electric connector, its inner wire light weight, intensity is high, electric conductivity is excellent, and it is little to heat up during big current transmission.
For overcoming the above problems, the present invention is achieved through the following technical solutions:
A kind of electric connector, comprise inner wire, mounting panel, housing, described mounting panel is provided with multiple installing hole, and described inner wire is plugged in described installing hole, and described housing is socketed on described mounting panel.
The material of described inner wire is copper alloy, be grouped into by the one-tenth of following percentage by weight: cobalt 0.012 ~ 0.043%, vanadium 0.034 ~ 0.045%, manganese 0.038 ~ 0.045%, zinc 0.078 ~ 0.088%, silicon 0.12 ~ 0.20%, samarium 0.020 ~ 0.032%, titanium 0.032 ~ 0.042%, tin 0.022 ~ 0.034%, nickel 0.045 ~ 0.056%, surplus is copper.This copper alloy electric conductivity is excellent, intensity is high, and its tensile strength reaches 610 ~ 635Mpa, and conductance is 81 ~ 83.5%IACS, and anti-softening temperature reaches 455 ~ 468 DEG C.
The material of described mounting panel is heat-resisting zirconia ceramics, and its preparation method comprises the following steps:
(1) nano silicon of 1 weight portion molybdenum oxide, 2 parts by weight of ceria, 1 weight portion and 96 weight portion zirconias are mixed, pre-burning 2 hours at 800 ~ 1000 DEG C, then 5 ~ 8 weight portion oleic acid, 2 weight portion aluminium dioxides are added, ball milling mixes, and obtains PSZ powder after sieving;
(2) gained PSZ powder is mixed with dibutyl phthalate, ethylene-vinyl acetate copolymer, zinc stearate, SEBS elastomer, Tissuemat E, add mixing roll and carry out mixing, obtain jelly; The weight ratio of PSZ powder used, dibutyl phthalate, ethylene-vinyl acetate copolymer, zinc stearate, SEBS elastomer, Tissuemat E is: 75 ~ 85: 3 ~ 6: 4 ~ 5: 2 ~ 3: 2 ~ 4: 3 ~ 5;
(3) by gained jelly compressing tablet, pulverize, injection mo(u)lding, then carries out ungrease treatment and sintering processes successively, obtains heat-resisting zirconia ceramics.
Be doped with molybdenum oxide, cerium oxide, nano silicon oxide and aluminium dioxide in described PSZ powder, obtain more excellent coefficient of linear expansion, thermal stress performance than pure zirconia pottery, also can improve ZrO simultaneously
2thermomechanical property, make material possess high strength, high tenacity, and excellent thermal shock resistance, not yielding.
Described shell material is the composite material of a kind of lightweight, high strength, by weight, is made up of following raw material:
50 ~ 60 parts of polyformaldehyde, 10 ~ 15 parts of PTTs, 8 ~ 12 parts of carbon fibers, 6 ~ 8 parts of calcium carbonate crystal whiskers, 2 ~ 4 parts of Nano zinc dioxide impact-resistant, 5 ~ 10 parts of ethylene-vinyl acetate copolymers, 1 ~ 2 part of nickel dibutyl dithiocarbamate.
Polyformaldehyde used (being called for short POM) is a kind of low pole linear crystalline polymer, has excellent mechanical property; Its modulus of elasticity and rigidity higher, comparatively close with metal material, the metal materials such as steel, aluminium, copper can be substituted in a lot of fields; Impact strength is high, and unnotched impact strength is higher, has the features such as excellent fatigue durability, heat-resistant aging.
The main chain of PTT used (be called for short PTT) is the saturated linear molecular composition that rigidity phenyl ring and flexible fatty alcohol couple together by each repetitive, the height geometrical regularity of molecule and rigid element make whole system have high mechanical strength, have good thermal endurance.PTT adds the skeleton making whole system have rigidity more, improves the mechanical strength of whole system.
Carbon fiber used is used for modification POM, increases the rigidity under its high temperature.
Ethylene-vinyl acetate copolymer used (EVA) has higher elasticity and toughness, also can play the effect of bulking agent.Adding of EVA makes PTT, polyformaldehyde and mechanical properties of carbon fibre be greatly improved, this is because EVA and PTT, polyformaldehyde and carbon fiber have good compatibility, form the structure of interspersed network very well, obtain a kind of stable structure system, in addition, EVA also can improve the toughness of material.
The preparation method of described case material comprises the following steps:
(1) by described proportioning, PTT, polyformaldehyde, ethylene-vinyl acetate copolymer and carbon fiber alkane are put in high-speed mixer, stir 10 ~ 20min with 900 ~ 1000r/min, obtain mixture A;
(2) mixture A is heated to 70 ~ 85 DEG C, then adds nickel dibutyl dithiocarbamate, calcium carbonate crystal whisker, the Nano zinc dioxide impact-resistant of respective quality part, continue stirring 10 ~ 20min, obtain mixture B;
(3) mixture B is added in double screw extruder carry out melt blending, extrude, cool, granulation obtains compound particle, the extrusion temperature of double screw extruder is: 180 ~ 190 DEG C, a district, two 190 ~ 200 DEG C, districts, three 200 ~ 205 DEG C, districts, four 205 ~ 215 DEG C, districts, five 215 ~ 225 DEG C, districts, head 210 ~ 230 DEG C, screw speed 140 ~ 160r/min;
(4) after gained compound particle being carried out vacuumize, add injection molding machine, obtain electric connector housing through injection mo(u)lding, injection molding machine four sections of temperature ranges are 250 ~ 300 DEG C.
Positive beneficial effect of the present invention is as follows:
(1) electric conductivity of electric connector of the present invention inner wire used is excellent, intensity is high, and its tensile strength reaches 610 ~ 635Mpa, and conductance is 81 ~ 83.5%IACS, and anti-softening temperature reaches 455 ~ 468 DEG C.
(2) molybdenum oxide, cerium oxide, nano silicon oxide and aluminium dioxide is doped with in the mounting panel of electric connector of the present invention PSZ powder used, obtain more excellent coefficient of linear expansion, thermal stress performance than pure zirconia pottery, also can improve ZrO simultaneously
2thermomechanical property, make material possess high strength, high tenacity, and excellent thermal shock resistance, not yielding.
(3) the case material light weight of electric connector of the present invention, intensity are high, and wherein, ethylene-vinyl acetate copolymer used (EVA) has higher elasticity and toughness, also can play the effect of bulking agent.Adding of EVA makes PTT, polyformaldehyde and mechanical properties of carbon fibre be greatly improved, this is because EVA and PTT, polyformaldehyde and carbon fiber have good compatibility, form the structure of interspersed network very well, obtain a kind of stable structure system, in addition, EVA also can improve the toughness of material.
Embodiment
Below describe and realize the present invention for open the present invention to enable those skilled in the art.Preferred embodiment in below describing only as an example, it may occur to persons skilled in the art that other apparent modification.
Embodiment 1:
A kind of electric connector, be made up of following components: inner wire, mounting panel, housing, described mounting panel is provided with multiple installing hole, and described inner wire is plugged in described installing hole, and described housing is socketed on described mounting panel.
The material of described inner wire is copper alloy, composition wherein containing following percentage by weight: cobalt 0.013%, vanadium 0.038%, manganese 0.045%, zinc 0.082%, silicon 0.15%, samarium 0.030%, titanium 0.035%, tin 0.025%, nickel 0.046%, surplus is copper.Its tensile strength is 615Mpa, and conductance is 81.5%IACS, and anti-softening temperature is 465 degree.
Described mounting panel is made up of the heat-resisting zirconia ceramics of one, and its preparation process is as follows:
(1) by the nano silicon of 1 weight portion molybdenum oxide, 2 parts by weight of ceria, 1 mass parts and the mixing of 96 weight portion zirconias, pre-burning 2h at 900 DEG C, then add 6 weight portion oleic acid, 2 weight portion aluminium dioxides, ball milling mixes, and obtains PSZ powder after sieving.
(2) by described PSZ powder, dibutyl phthalate, ethylene-vinyl acetate copolymer, zinc stearate, SEBS elastomer, Tissuemat E mixing, add mixing roll and carry out mixing, obtain colloid substance; The ratio of the parts by weight of described PSZ powder, dibutyl phthalate, ethylene-vinyl acetate copolymer, zinc stearate, SEBS elastomer, Tissuemat E is respectively: 84: 4: 5: 3: 2: 3.
(2) by described colloid substance compressing tablet, pulverize, injection mo(u)lding, then carries out ungrease treatment and sintering processes successively, obtains heat-resisting zirconia ceramics.
Described shell material is made up of the composite material of a kind of lightweight, high strength, by weight, composed of the following components: 55 parts of polyformaldehyde, 12 parts of PTTs, 9 parts of carbon fibers, 6 parts of calcium carbonate crystal whiskers, 3 parts of Nano zinc dioxide impact-resistant, 6 parts of ethylene-vinyl acetate copolymers, 1 part of nickel dibutyl dithiocarbamate.
Its preparation process is as follows:
(1) put in high-speed mixer by proportioning by PTT, polyformaldehyde, ethylene-vinyl acetate copolymer and carbon fiber alkane, 950r/min stirs 15min, obtains mixture A;
(2) mixture A is heated to 82 DEG C, adds the nickel dibutyl dithiocarbamate of respective quality part, calcium carbonate crystal whisker, Nano zinc dioxide impact-resistant, continue to stir 18min, obtain mixture B;
(3) mixture B is added in double screw extruder carry out melt blending, extrude, cool, granulation obtains compound particle, the blending extrusion temperature of double screw extruder is: 190 DEG C, a district, two 200 DEG C, districts, three 205 DEG C, districts, four 215 DEG C, districts, five 225 DEG C, districts, head 230 DEG C, screw speed 145r/min;
(4) by after above-mentioned compound particle vacuumize, add injection molding machine, obtain electric connector housing through injection molding process, injection molding machine four sections of temperature are 260 DEG C.
Embodiment 2:
A kind of electric connector, be made up of following components: inner wire, mounting panel, housing, described mounting panel is provided with multiple installing hole, and described inner wire is plugged in described installing hole, and described housing is socketed on described mounting panel.
The material of described inner wire is that a kind of electric conductivity is excellent, the copper alloy of high strength, composition wherein containing following percentage by weight: cobalt 0.033%, vanadium 0.042%, manganese 0.039%, zinc 0.079%, silicon 0.12%, samarium 0.025%, titanium 0.042%, tin 0.028%, nickel 0.048%, surplus is copper.Described electric conductivity is excellent, the copper alloy of high strength, between the 625Mpa of its tensile strength position, conductance at 82.1%IACS, between anti-softening temperature level 456 degree.
Described mounting panel is made up of the heat-resisting zirconia ceramics of one, and its preparation process is as follows:
(1) by the nano silicon of 1 weight portion molybdenum oxide, 2 parts by weight of ceria, 1 mass parts and the mixing of 96 weight portion zirconias, pre-burning 2h at 980 DEG C, then add 6 weight portion oleic acid, 2 weight portion aluminium dioxides, ball milling mixes, and obtains PSZ powder after sieving.
(2) by described PSZ powder, dibutyl phthalate, ethylene-vinyl acetate copolymer, zinc stearate, SEBS elastomer, Tissuemat E mixing, add mixing roll and carry out mixing, obtain colloid substance;
The weight ratio of described PSZ powder, dibutyl phthalate, ethylene-vinyl acetate copolymer, zinc stearate, SEBS elastomer, Tissuemat E is respectively: 82: 4: 5: 2.5: 3: 4.
(3) by described colloid substance compressing tablet, pulverize, injection mo(u)lding, then carries out ungrease treatment and sintering processes successively, obtains heat-resisting zirconia ceramics.
Described shell material is made up of the composite material of a kind of lightweight, high strength, by weight, its composition is composed of the following components: 60 parts of polyformaldehyde, 12 parts of PTTs, 12 parts of carbon fibers, 6 parts of calcium carbonate crystal whiskers, 2 parts of Nano zinc dioxide impact-resistant, 5 parts of ethylene-vinyl acetate copolymers, 2 parts of nickel dibutyl dithiocarbamates.
This housing preparation process is as follows:
(1) put in high-speed mixer by proportioning by PTT, polyformaldehyde, ethylene-vinyl acetate copolymer and carbon fiber alkane, 900r/min stirs 12min, obtains mixture A;
(2) mixture A is heated to 78 DEG C, adds the nickel dibutyl dithiocarbamate of respective quality part, calcium carbonate crystal whisker, Nano zinc dioxide impact-resistant, continue to stir 15min, obtain mixture B;
(3) mixture B is added in double screw extruder carry out melt blending, extrude, cool, granulation obtains compound particle, the blending extrusion temperature of double screw extruder is: 180 DEG C, a district, two district 190-200 DEG C, three 205 DEG C, districts, four 210 DEG C, districts, five 220 DEG C, districts, head 225 DEG C, screw speed 155r/min;
(4) by after above-mentioned compound particle vacuumize, add injection molding machine, obtain electrical connector housing body through injection molding process, injection molding machine four sections of temperature are 300 DEG C.
Embodiment 3:
A kind of electric connector, be made up of following components: inner wire, mounting panel, housing, described mounting panel is provided with multiple installing hole, and described inner wire is plugged in described installing hole, and described housing is socketed on described mounting panel.
The material of described inner wire is that a kind of electric conductivity is excellent, the copper alloy of high strength, composition wherein containing following percentage by weight: cobalt 0.035%, vanadium 0.036%, manganese 0.041%, zinc 0.084%, silicon 0.16%, samarium 0.032%, titanium 0.035%, tin 0.027%, nickel 0.049%, surplus is copper.Its tensile strength position 627Mpa, conductance position 83.2%IACS, anti-softening temperature is 458 degree.
Described mounting panel is made up of the heat-resisting zirconia ceramics of one, and its preparation process is as follows:
(1) by the nano silicon of 1 weight portion molybdenum oxide, 2 parts by weight of ceria, 1 mass parts and the mixing of 96 weight portion zirconias, pre-burning 2h at 880 DEG C, then add 8 weight portion oleic acid, 2 weight portion aluminium dioxides, ball milling mixes, and obtains PSZ powder after sieving.
(2) by described PSZ powder, dibutyl phthalate, ethylene-vinyl acetate copolymer, zinc stearate, SEBS elastomer, Tissuemat E mixing, add mixing roll and carry out mixing, obtain colloid substance;
The weight ratio of described PSZ powder, dibutyl phthalate, ethylene-vinyl acetate copolymer, zinc stearate, SEBS elastomer, Tissuemat E is respectively: 78: 4: 5: 3: 4: 5.
(3) by described colloid substance compressing tablet, pulverize, injection mo(u)lding, then carries out ungrease treatment and sintering processes successively, obtains heat-resisting zirconia ceramics.
Described shell material is made up of the composite material of a kind of lightweight, high strength, by weight, its composition is composed of the following components: 58 parts of polyformaldehyde, 12 parts of PTTs, 8 parts of carbon fibers, 8 parts of calcium carbonate crystal whiskers, 4 parts of Nano zinc dioxide impact-resistant, 8 parts of ethylene-vinyl acetate copolymers, 1 part of nickel dibutyl dithiocarbamate.
This housing preparation process is as follows:
(1) put in high-speed mixer by proportioning by PTT, polyformaldehyde, ethylene-vinyl acetate copolymer and carbon fiber alkane, 985r/min stirs 15min, obtains mixture A;
(2) mixture A is heated to 80 DEG C, adds the nickel dibutyl dithiocarbamate of respective quality part, calcium carbonate crystal whisker, Nano zinc dioxide impact-resistant, continue to stir 15min, obtain mixture B;
(3) mixture B is added in double screw extruder carry out melt blending, extrude, cool, granulation obtains compound particle, the blending extrusion temperature of double screw extruder is: 185 DEG C, a district, two 195 DEG C, districts, three 200 DEG C, districts, four 210 DEG C, districts, five 220 DEG C, districts, head 230 DEG C, screw speed 160r/min;
(4) by after above-mentioned compound particle vacuumize, add injection molding machine, obtain electric connector housing through injection molding process, injection molding machine four sections of temperature are 250 DEG C.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; the just principle of the present invention described in above-described embodiment and specification; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in claimed scope of the present invention.The protection range of application claims is defined by appending claims and equivalent thereof.
Claims (6)
1. an electric connector, comprise inner wire, mounting panel, housing, it is characterized in that: the material of described inner wire is copper alloy, be grouped into by the one-tenth of following percentage by weight: cobalt 0.012 ~ 0.043%, vanadium 0.034 ~ 0.045%, manganese 0.038 ~ 0.045%, zinc 0.078 ~ 0.088%, silicon 0.12 ~ 0.20%, samarium 0.020 ~ 0.032%, titanium 0.032 ~ 0.042%, tin 0.022 ~ 0.034%, nickel 0.045 ~ 0.056%, surplus is copper.
2. electric connector according to claim 1, is characterized in that: described mounting panel is heat-resisting zirconia ceramics material, and its preparation method comprises the following steps:
(1) 1 weight portion molybdenum oxide, 2 parts by weight of ceria, 1 weight portion nano silicon and 96 weight portion zirconias are mixed, pre-burning 2 hours at 800 ~ 1000 DEG C, then 5 ~ 8 weight portion oleic acid, 2 weight portion aluminium dioxides are added, ball milling mixes, and obtains PSZ powder after sieving;
(2) gained PSZ powder is mixed with dibutyl phthalate, ethylene-vinyl acetate copolymer, zinc stearate, SEBS elastomer, Tissuemat E, add mixing roll and carry out mixing, obtain jelly; The weight ratio of PSZ powder used, dibutyl phthalate, ethylene-vinyl acetate copolymer, zinc stearate, SEBS elastomer, Tissuemat E is: 75 ~ 85: 3 ~ 6: 4 ~ 5: 2 ~ 3: 2 ~ 4: 3 ~ 5;
(3) by gained jelly compressing tablet, pulverize, injection mo(u)lding, then carries out ungrease treatment and sintering processes successively, obtains heat-resisting zirconia ceramics.
3. electric connector according to claim 1, it is characterized in that: described housing is composite material, by weight, be made up of following raw material: 50 ~ 60 parts of polyformaldehyde, 10 ~ 15 parts of PTTs, 8 ~ 12 parts of carbon fibers, 6 ~ 8 parts of calcium carbonate crystal whiskers, 2 ~ 4 parts of Nano zinc dioxide impact-resistant, 5 ~ 10 parts of ethylene-vinyl acetate copolymers, 1 ~ 2 part of nickel dibutyl dithiocarbamate.
4. electric connector according to claim 3, is characterized in that: the preparation method of described housing comprises the following steps:
(1) by described proportioning, PTT, polyformaldehyde, ethylene-vinyl acetate copolymer and carbon fiber alkane are put in high-speed mixer, stir 10 ~ 20min with 900 ~ 1000r/min, obtain mixture A;
(2) mixture A is heated to 70 ~ 85 DEG C, then adds nickel dibutyl dithiocarbamate, calcium carbonate crystal whisker, the Nano zinc dioxide impact-resistant of respective quality part, continue stirring 10 ~ 20min, obtain mixture B;
(3) mixture B is added in double screw extruder carry out melt blending, extrude, cool, granulation obtains compound particle;
(4) after gained compound particle being carried out vacuumize, add injection molding machine, obtain the housing of electric connector through injection mo(u)lding.
5. electric connector according to claim 4, it is characterized in that: the extrusion temperature of described double screw extruder is: 180 ~ 190 DEG C, a district, two 190 ~ 200 DEG C, districts, three 200 ~ 205 DEG C, districts, four 205 ~ 215 DEG C, districts, five 215 ~ 225 DEG C, districts, head 210 ~ 230 DEG C, screw speed 140 ~ 160r/min.
6. electric connector according to claim 4, is characterized in that: described injection molding machine four sections of temperature ranges are 250 ~ 300 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510688126.7A CN105390842B (en) | 2015-10-16 | 2015-10-16 | A kind of electric connector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510688126.7A CN105390842B (en) | 2015-10-16 | 2015-10-16 | A kind of electric connector |
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| CN105390842A true CN105390842A (en) | 2016-03-09 |
| CN105390842B CN105390842B (en) | 2017-12-19 |
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| CN201510688126.7A Active CN105390842B (en) | 2015-10-16 | 2015-10-16 | A kind of electric connector |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101096423A (en) * | 2007-06-22 | 2008-01-02 | 哈尔滨工业大学 | Temperature-resistant resin modified polyphenyl ester ternary alloy ultrasonic motor friction material |
| CN104650530A (en) * | 2015-02-06 | 2015-05-27 | 合肥康龄养生科技有限公司 | Carbon fiber reinforced polyformaldehyde composite material with high thermal conductivity and preparation method thereof |
| CN104672765A (en) * | 2015-02-06 | 2015-06-03 | 合肥康龄养生科技有限公司 | Carbon fiber reinforced formaldehyde composite material with good low temperature resistance and preparation method of composite material |
| CN104779464A (en) * | 2015-04-14 | 2015-07-15 | 四川华丰企业集团有限公司 | Metal brazing sealing type airtight electric connector and manufacturing process thereof |
| JP2015163683A (en) * | 2012-09-19 | 2015-09-10 | 第一精工株式会社 | Resin composition for forming lamp and lamp for magnetic disk drive |
-
2015
- 2015-10-16 CN CN201510688126.7A patent/CN105390842B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101096423A (en) * | 2007-06-22 | 2008-01-02 | 哈尔滨工业大学 | Temperature-resistant resin modified polyphenyl ester ternary alloy ultrasonic motor friction material |
| JP2015163683A (en) * | 2012-09-19 | 2015-09-10 | 第一精工株式会社 | Resin composition for forming lamp and lamp for magnetic disk drive |
| CN104650530A (en) * | 2015-02-06 | 2015-05-27 | 合肥康龄养生科技有限公司 | Carbon fiber reinforced polyformaldehyde composite material with high thermal conductivity and preparation method thereof |
| CN104672765A (en) * | 2015-02-06 | 2015-06-03 | 合肥康龄养生科技有限公司 | Carbon fiber reinforced formaldehyde composite material with good low temperature resistance and preparation method of composite material |
| CN104779464A (en) * | 2015-04-14 | 2015-07-15 | 四川华丰企业集团有限公司 | Metal brazing sealing type airtight electric connector and manufacturing process thereof |
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| Publication number | Publication date |
|---|---|
| CN105390842B (en) | 2017-12-19 |
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