CN105098439A - Metal nano injection molding air tightness electric connector and manufacturing process thereof - Google Patents
Metal nano injection molding air tightness electric connector and manufacturing process thereof Download PDFInfo
- Publication number
- CN105098439A CN105098439A CN201510491401.6A CN201510491401A CN105098439A CN 105098439 A CN105098439 A CN 105098439A CN 201510491401 A CN201510491401 A CN 201510491401A CN 105098439 A CN105098439 A CN 105098439A
- Authority
- CN
- China
- Prior art keywords
- contact
- shell body
- plated
- nano
- contact piece
- 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.)
- Granted
Links
Landscapes
- Manufacturing Of Electrical Connectors (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a metal nano injection molding air tightness electric connector manufacturing process. The process comprises the following steps: S1, an outer shell and a contact piece are molded through mechanical processing; S2, the surface of the contact piece matched with the stainless steel or titanium shell for use is plated with nickel and gold, and the contact piece matched with the aluminum alloy or copper alloy shell is not plated; S3, the sealing interface of the nickel and gold-plated contact piece is processed mechanically to remove the plating layer, nano modified treatment is then carried out, nano modified treatment is directly carried out on the stainless steel or titanium alloy shell, and surface nano modified treatment is directly carried out on the aluminum alloy or copper alloy shell and the matched contact piece; and S4, the contact piece is assembled in the outer shell through a nano injection molding process. High strength for the contact piece of the air-tightness connector can be kept, and plug-pull contact reliability can be improved; the electroplating efficiency and the electroplating layer quality can be improved; the weight of the connector is reduced greatly to reduce load of an aircraft; and power load of the air tightness electric connector is greatly enhanced.
Description
Technical field
Invention relates to a kind of metal nano injection moulding air-tight electric connector and manufacturing process thereof.
Background technology
Space and the electric connector industry used under water require that connector can have the performance such as hermetic seal, water-stop usually.The sealing had comprises glass sealing and crunch seal two kinds.Glass sealing is more conventional, utilize vitreum that the contact pin of the metal shell such as kovar alloy, stainless steel body and kovar alloy is at high temperature carried out sealing-in, wherein shell body and contact pin are the matched seal of kovar alloy, the shell body of other non-kovar alloy materials with can cut down or the non-sealing-in cutting down class contact pin for compress sealing-in; Vitreum can be glass plate or bead.Crunch seal replaces glass height intermediate temperature sealing with the soldering sealing-in of ceramic metallization interface, and shell body adopts light material gold-plated or zinc-plated, and inner wire adopts copper alloy nickel plating gold-plated, and mounting panel is the metallized ceramic wafer in installing hole and outer.
The shortcoming that glass sealing mode exists is:
1, electroplate after glass high temperature sealed knot, tiny kovar alloy contact pin annealing deliquescing, is difficult to the enough rigidity of maintenance to support that the plug of high strength connects.
2, need to fasten line and electroplate discrete contact pin, coating continuity is bad or corrosion resistance is not strong; Even if add gold-plated also needs after adopting chemical nickel plating, chemical palladium-plating, immersion gilding to fasten line connection.
3, kovar alloy weight is large, can be limited to for aerospace electronic product.
4, production efficiency is extremely low.
5, the conductive capability of kovar alloy connector is strong, gold-platedly can only reduce its sheet resistance value, and big current transmission can cause excessive temperature rise.
The shortcoming that crunch seal mode exists is:
1, when ceramic mounting panel makes, base, binder removal, sintering is needed; Then need soldering envelope interface is coated with to slurry, high temperature sintering metallization, optionally electroplates.Process flow is long, and energy consumption is high, and cost is high.
2, ceramic mounting panel manufactured size precision is low, and follow-up soldering sealing-in is in connector process, needs precision positioning frock, increases cost further.
3, when to ceramic mounting panel soldering envelope interface pasting, aperture, deep hole are difficult to be coated with evenly, method is not had to characterize the quality of smearing sintering slurry in hole, the dispersion of respective quality level is large, controllability is low, end product quality relies on full prosecution system, can not do over again and reprocess, and respective quality cost is high.
4, production efficiency is lower.
Summary of the invention
The object of invention is to provide a kind of metal nano injection moulding air-tight electric connector and manufacturing process thereof, can keep the high strength of the contact of hermetic seal connector, improves plug contact reliability; Improve electroplating efficiency and electrodeposited coating quality; Significantly reduce the weight of connector to reduce the load of aircraft; Significantly promote the power load of hermetically-sealed electrical connector.Relative crunch seal connector, significantly reduces operation, and reduce energy consumption, enhance productivity, each process links quality can characterize and weigh, and possesses possibility and the feasibility of scale automated production.
For solving the problems of the technologies described above, invention provides a kind of metal nano injection moulding air-tight electric connector, comprises shell body, and by the contact of nanometer injection molded layers sealing-in in described shell body; The two ends of described shell body are respectively equipped with an inserts matched with described shell body, and described inserts is provided with the contact hole that some and described contact matches; Described shell body is shaping by metal material machining; Described metal comprises aluminium alloy, titanium alloy, stainless steel and copper alloy.
Further, described inserts is by resin material injection mo(u)lding; Described resin is the resin waiting band polar group, comprises PBT, PPS, nylon-6 and nylon-66.
Further, glass fibre and filler is added with in described resin.
A manufacturing process for above-mentioned metal nano injection moulding air-tight electric connector, comprises following process:
S1: by shell body and contact machining shaping;
S2: to surperficial plated with nickel and the gold of the contact that supporting stainless steel and titanium housing use, the contact of supporting aluminium alloy and copper alloy housing is not plated;
S3: carry out nano modification process after coating is removed to nickel plating and golden contact seal interface machining, directly nano modification process is carried out to stainless steel and titanium alloy shell; Directly nano surface modification is carried out to aluminium alloy, copper alloy housing and supporting contact;
S4: contact is assembled in shell body by nanometer Shooting Technique.
Further, when described shell body adopt be stainless steel, titanium alloy, aluminium alloy time, the gold-plated rear zone machines combined nanometer injection moulding of described contact nickel plating is machined to after base material exposes carries out nano modification process, then injection mo(u)lding is hermetic seal connector.
Further, when described shell body adopt be copper alloy time, after first carrying out surface modification treatment respectively, nanometer is injection molded into connector, then carries out the gold-plated process of nickel plating.
Further, described modification comprises the following steps: degreasing → microetch → neutralization → cleaning → amino containing silane hydrating solution process → washing → 100 ~ 120 DEG C are dried.
The beneficial effect of the invention is: the present invention can keep the high strength of the contact of hermetic seal connector, improves plug contact reliability; Improve electroplating efficiency and electrodeposited coating quality; Significantly reduce the weight of connector to reduce the load of aircraft; Significantly promote the power load of hermetically-sealed electrical connector.Relative crunch seal connector, significantly reduces operation, and reduce energy consumption, enhance productivity, each process links quality can characterize and weigh, and possesses possibility and the feasibility of scale automated production.
Accompanying drawing explanation
Fig. 1 is the cutaway view of invention most preferred embodiment;
Fig. 2 is the structural representation of the patrix inserts of invention most preferred embodiment;
Fig. 3 is the structural representation of the counterdie inserts of invention most preferred embodiment;
Fig. 4 is the vertical view of cylindrical connector;
Fig. 5 is the vertical view of Square Connector;
Wherein: 1, shell body; 11, the first positioning table; 2, contact; 3, nanometer injection molded layers; 4, patrix inserts 4; 41, the first contact hole; 42, the second positioning table; 5, counterdie inserts 5; 51, the second contact hole.
Embodiment
Below the embodiment of invention is described; so that those skilled in the art understand invention; but should be clear; invention is not limited to the scope of embodiment; to those skilled in the art; as long as various change to limit and in the spirit and scope of invention determined, these changes are apparent, and all utilize the innovation and creation of inventive concept all at the row of protection in appended claim.
As shown in Figure 1, a kind of metal nano injection moulding air-tight electric connector, comprises shell body 1, and by the contact of nanometer injection molded layers 3 sealing-in in described shell body 1; The two ends of described shell body 1 are respectively equipped with a patrix inserts 4 and counterdie inserts 5 matched with described shell body 1.Wherein, as shown in Figure 2, patrix inserts 4 is provided with the first contact hole 41 matched with the upper end of described contact, and the top of patrix inserts 4 is also provided with the second positioning table 42; As shown in Figure 3, counterdie inserts 5 is provided with the second contact hole matched with the bottom of described contact.Described shell body 1 is shaping by metal material machining; Described metal comprises aluminium alloy, titanium alloy, stainless steel and copper alloy.And the shape of shell body is circular or square (as shown in Figure 4 and Figure 5)
Above-mentioned patrix inserts 4 and counterdie inserts 5 are by resin material injection mo(u)lding; Described resin is the resin waiting band polar group, comprises PBT, PPS, nylon-6 and nylon-66 etc.
Further, in resin, be added with glass fibre and filler, can matched coefficients of thermal expansion better.Make the thermal expansion degree of plastics and the consistent of metal, be unlikely, at combination interface place, stripping damage occur.This combination, neither chemical bond neither bonding, but based on a kind of physical bond of coupling.
A manufacturing process for above-mentioned metal nano injection moulding air-tight electric connector, comprises following process:
S1: by shell body 1 and contact machining shaping;
S2: to surperficial plated with nickel and the gold of the contact that supporting stainless steel and titanium housing use, the contact of supporting aluminium alloy and copper alloy housing is not plated;
S3: carry out nano modification process after coating is removed to nickel plating and golden contact seal interface machining, directly nano modification process is carried out to stainless steel and titanium alloy shell; Directly nano surface modification is carried out to aluminium alloy, copper alloy housing and supporting contact;
S4: contact is assembled in shell body by nanometer Shooting Technique.
According to an embodiment of the application, when described shell body 1 adopt be stainless steel, titanium alloy, aluminium alloy time, the gold-plated rear zone machines combined nanometer injection moulding of described contact 2 nickel plating is machined to after base material exposes carries out nano modification process, then injection mo(u)lding is hermetic seal connector.
According to an embodiment of the application, when described shell body 1 adopt be copper alloy time, after first can also carrying out surface modification treatment respectively, nanometer is injection molded into connector, then carries out the gold-plated process of nickel plating.
According to an embodiment of the application, described modification comprises the following steps: degreasing → microetch → neutralization → cleaning → amino containing silane hydrating solution process → washing → 100 ~ 120 DEG C are dried.If handling object is aluminium alloy, concrete steps are: by need combine metal surface carry out base extraction, acid treatment, the process of amino containing silane hydrating solution, clean up with water again after carry out drying.If handling object is copper alloy, concrete steps are: by need combine metal surface carry out alkali lye ungrease treatment, cleaning, sour microetch process, cleaning, the process of amino containing silane hydrating solution, clean up with water again after carry out drying.If handling object is titanium alloy and stainless steel, concrete steps are: by need the metal surface combined carry out alkali lye ungrease treatment, cleaning, fluoric-containing acid and oxalic acid microetch process (stainless steel and titanium alloy concrete microetch technique can be variant), cleaning, the process of amino containing silane hydrating solution, clean up with water again after carry out drying.
Hermetic connector manufacturing theory of the present invention is: when the surface of connector shell body 1 is after microetch, when being immersed in certain amino containing silane solution, the ultra-fine depression of further formation diameter 20-40nm, the hydroxyl that silane molecule hydrolysis is formed and metal surface hydroxyl condensation, the surfaces externally and internally of nano-pore is formed powerful chemisorbed film, and appropriateness is cross-linked with each other, 100 ~ 120 DEG C of oven dry after water cleaning.The metal of chemical absorption of surface amino containing silane is embedded in the middle of injection molding, PBT (polybutylene terephthalate (PBT)) or PPS(polyphenylene sulfide) isopolarity resin is injected into, between amine and polar group are as ester group, exothermic reaction occurs, they become amino acid and alcohols.Because reaction produces heat, not yet experience being delayed by by the solidification of plastifying material of condensation cured, therefore the resin on interface can be injected among ultra-fine depression to get off with Post RDBMS, and polymeric material is combined securely with aluminium alloy.
Claims (7)
1. a metal nano injection moulding air-tight electric connector, is characterized in that, comprises shell body, and by the contact of nanometer injection molded layers sealing-in in described shell body; The two ends of described shell body are respectively equipped with an inserts matched with described shell body, and described inserts is provided with the contact hole that some and described contact matches; Described shell body is shaping by metal material machining; Described metal comprises aluminium alloy, titanium alloy, stainless steel and copper alloy.
2. metal nano injection moulding air-tight electric connector according to claim 1, it is characterized in that, described inserts is by resin material injection mo(u)lding; Described resin is the resin waiting band polar group, comprises PBT, PPS, nylon-6 and nylon-66.
3. metal nano injection moulding air-tight electric connector according to claim 1, is characterized in that, be added with glass fibre and filler in described resin.
4. a manufacturing process for the arbitrary described metal nano injection moulding air-tight electric connector of claim 1-3, is characterized in that, comprise following process:
S1: by shell body and contact machining shaping;
S2: to surperficial plated with nickel and the gold of the contact that supporting stainless steel and titanium housing use, the contact of supporting aluminium alloy and copper alloy housing is not plated;
S3: carry out nano modification process after coating is removed to nickel plating and golden contact seal interface machining, directly nano modification process is carried out to stainless steel and titanium alloy shell; Directly nano surface modification is carried out to aluminium alloy, copper alloy housing and supporting contact;
S4: described contact is assembled in described shell body by nanometer Shooting Technique.
5. manufacturing process according to claim 4, it is characterized in that, when described shell body adopt be stainless steel, titanium alloy, aluminium alloy time, the gold-plated rear zone machines combined nanometer injection moulding of described contact nickel plating is machined to after base material exposes carries out nano modification process, then injection mo(u)lding is hermetic seal connector.
6. manufacturing process according to claim 4, is characterized in that, when described shell body adopt be copper alloy time, after first carrying out surface modification treatment respectively, nanometer is injection molded into connector, then carries out the gold-plated process of nickel plating.
7. manufacturing process according to claim 4, is characterized in that, described modification comprises the following steps: degreasing → microetch → neutralization → cleaning → amino containing silane hydrating solution process → washing → 100 ~ 120 DEG C are dried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510491401.6A CN105098439B (en) | 2015-08-12 | 2015-08-12 | Metal nano is molded air-tight electric connector and its manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510491401.6A CN105098439B (en) | 2015-08-12 | 2015-08-12 | Metal nano is molded air-tight electric connector and its manufacturing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105098439A true CN105098439A (en) | 2015-11-25 |
| CN105098439B CN105098439B (en) | 2018-08-14 |
Family
ID=54578353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510491401.6A Active CN105098439B (en) | 2015-08-12 | 2015-08-12 | Metal nano is molded air-tight electric connector and its manufacturing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105098439B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106064446A (en) * | 2016-06-21 | 2016-11-02 | 珠海溥博化工有限公司 | By method and the rustless steel inserts of rustless steel insert injection molding |
| CN106505360A (en) * | 2016-11-29 | 2017-03-15 | 四川华丰企业集团有限公司 | Transitional type lightweight shell hermetically-sealed electrical connector |
| CN106783321A (en) * | 2016-12-19 | 2017-05-31 | 维沃移动通信有限公司 | One kind switch module and preparation method thereof |
| CN107502931A (en) * | 2017-08-08 | 2017-12-22 | 歌尔股份有限公司 | Nanometer moulding processing method and system of processing |
| CN114606560A (en) * | 2022-03-11 | 2022-06-10 | 东莞市慧泽凌化工科技有限公司 | Method for treating titanium-aluminum composite member, method for producing composite member of titanium-aluminum composite member and resin, and product |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203774538U (en) * | 2014-03-19 | 2014-08-13 | 贵州航天电器股份有限公司 | Novel high-frequency and low-frequency combined electric connector |
| CN104630872A (en) * | 2015-02-27 | 2015-05-20 | 深圳市梦之坊通信产品有限公司 | Aluminum alloy surface nano hole processing method and method for bonding aluminum alloy to plastic |
| CN104682059A (en) * | 2015-03-19 | 2015-06-03 | 苏州华旃航天电器有限公司 | High-temperature resistance rectangular electrical connector |
-
2015
- 2015-08-12 CN CN201510491401.6A patent/CN105098439B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203774538U (en) * | 2014-03-19 | 2014-08-13 | 贵州航天电器股份有限公司 | Novel high-frequency and low-frequency combined electric connector |
| CN104630872A (en) * | 2015-02-27 | 2015-05-20 | 深圳市梦之坊通信产品有限公司 | Aluminum alloy surface nano hole processing method and method for bonding aluminum alloy to plastic |
| CN104682059A (en) * | 2015-03-19 | 2015-06-03 | 苏州华旃航天电器有限公司 | High-temperature resistance rectangular electrical connector |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106064446A (en) * | 2016-06-21 | 2016-11-02 | 珠海溥博化工有限公司 | By method and the rustless steel inserts of rustless steel insert injection molding |
| CN106064446B (en) * | 2016-06-21 | 2018-10-16 | 珠海溥博化工有限公司 | By the method for stainless steel insert injection molding and stainless steel inserts |
| CN106505360A (en) * | 2016-11-29 | 2017-03-15 | 四川华丰企业集团有限公司 | Transitional type lightweight shell hermetically-sealed electrical connector |
| CN106783321A (en) * | 2016-12-19 | 2017-05-31 | 维沃移动通信有限公司 | One kind switch module and preparation method thereof |
| CN107502931A (en) * | 2017-08-08 | 2017-12-22 | 歌尔股份有限公司 | Nanometer moulding processing method and system of processing |
| CN114606560A (en) * | 2022-03-11 | 2022-06-10 | 东莞市慧泽凌化工科技有限公司 | Method for treating titanium-aluminum composite member, method for producing composite member of titanium-aluminum composite member and resin, and product |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105098439B (en) | 2018-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105098439A (en) | Metal nano injection molding air tightness electric connector and manufacturing process thereof | |
| US20150183185A1 (en) | Composite of metal and resin and method for manufacturing same | |
| CN103158227B (en) | Complex and preparation method thereof | |
| CN101814441A (en) | Method for manufacturing a semiconductor component and structure therefor | |
| CN105977360A (en) | Manufacturing technology of LED bracket with good air-tightness | |
| US20230176616A1 (en) | Housing structure, production method thereof, and electronic device | |
| JP5415106B2 (en) | Manufacturing method of resin package | |
| CN108305981A (en) | A kind of new energy car battery module is flexible coupling preparation method with copper | |
| CN204088237U (en) | A kind of hollow structure fuse | |
| CN213108528U (en) | Shell structure and electronic equipment | |
| CN101192473A (en) | Surface-mount type electrolytic capacitor and method of producing the same | |
| CN210743964U (en) | Packaging frame based on photovoltaic module | |
| CN103746183A (en) | Antenna radiator made of conductive high-molecular material and manufacturing method | |
| CN101255578A (en) | Gold product electrocasting method | |
| CN203180143U (en) | Connector and cavity filter | |
| CN210120158U (en) | Battery cover plate structure and lithium ion battery based on nanometer is moulded plastics | |
| CN107104345A (en) | A kind of USB socket and preparation method thereof | |
| CN210415249U (en) | High-airtightness metal-resin composite | |
| CN104197970A (en) | Novel low-cost high-frequency ultrasonic sensor | |
| CN112885787A (en) | Surface mount diode and packaging forming process thereof | |
| CN104157518B (en) | A kind of manufacture method of hollow structure fuse | |
| CN207602711U (en) | For the soldering and sealing mould of flexible-packed battery and cell package equipment | |
| CN106206325B (en) | Manufacturing method of lead frame structure | |
| CN204007657U (en) | A kind of novel low-cost high frequency ultrasound sensor | |
| CN109661102A (en) | Ceramic substrate circuit board and its manufacturing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 621000 No. 36 Yuejin Road, Sichuan, Mianyang Patentee after: Sichuan Huafeng Technology Co.,Ltd. Address before: 621000 No. 36 Yuejin Road, Sichuan, Mianyang Patentee before: SICHUAN HUAFENG ENTERPRISE GROUP Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |