CN203787639U - Power plug of twice injection mouldings - Google Patents
Power plug of twice injection mouldings Download PDFInfo
- Publication number
- CN203787639U CN203787639U CN201420011339.7U CN201420011339U CN203787639U CN 203787639 U CN203787639 U CN 203787639U CN 201420011339 U CN201420011339 U CN 201420011339U CN 203787639 U CN203787639 U CN 203787639U
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- wire
- ground wire
- zero line
- plastic layer
- live wire
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- Manufacturing Of Electrical Connectors (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a power plug of twice injection mouldings. The power plug comprises a ground wire adapter, a ground wire reed, a live wire adapter, a live wire column, a zero line adapter, a zero line column, an inner container skeleton, a nanometer coating, a sheath wire, a primary plastic layer and a secondary plastic layer. The ground wire adapter is in ground wire crimping with the sheath wire. The live wire adapter is in live wire crimping with the sheath wire. The zero line adapter is in zero line crimping with the sheath wire. The ground wire reed is in riveted connection with the ground wire adapter to form a ground wire conductor. The ground wire conductor, a live wire connector and a zero wire connector form a skeleton terminal wire assembly through PBT injection moulding and nanoparticle coating. The skeleton terminal wire assembly is formed through primary injection moulding to form a semi-finished product. The semi-finished product is subjected to the secondary injection moulding to obtain a finished product of the power plug. The power plug is excellent in appearance, high in dimension standard-reaching rate, low in defective rate and high in yield, recovery resources are utilized and manufacturing cost is saved.
Description
Technical field
The utility model relates to electronic apparatus Connection Element processing and manufacturing technical field, is specifically related to a kind of attaching plug manufacturing technology, particularly a kind of secondary injection molding attaching plug.
Background technology
Along with the development of social civilization and the progress of technology, the kind of industrial electrical equipment and household electrical appliance is increasing, quality also improves constantly, for enterprise produce and people's lives brought convenience, conventionally be in use connected with power supply by plug or switch, and conducting current to electronics, electric equipment, the electrical equipment place that general household is used mostly is easy touch or exposes place.
Attaching plug is generally made up of blind plug body, wire, metal pin, and the rear end of metal pin is fixed on the front end of blind plug body, and one end of wire is stretched in blind plug body and is connected with the rear end of metal pin; Metal pin straight forming is fixed in the blind plug body that plastic material makes; The manufacture method of prior art plug is all to adopt after the electric wire severing of certain specification, after peeling the sheath of a segment length off, expose insulated wire cores, then after one section of insulating barrier of insulated wire cores being peeled off again, expose copper wire conductor, copper wire conductor is fixed with the corresponding crimping of inner bag skeleton crimping pipe.Then put it in mould, injection molding machine use sizing material single injection-molded.Sizing material is injection molding under uniform temperature and pressure that machine is disposable to be extruded, and is coated on the outside external insulation that forms plug of plug with various shapes and thickness, and the position that bondline thickness has is thick, and some positions are thin; After glue-line is cooling, sizing just obtains plug product.
The shortcoming of prior art: be heated to hot melt body state at injection moulding process mesoglea material by normal temperature and be injection molding machine ejaculation, after penetrating, glue line material is cooled to normal temperature sizing by hot melt body state; The inherent characteristic that glue line material expands with heat and contract with cold makes the cooled shrinkage degree difference of different-thickness glue-line.Glue-line is thicker, and temperature is higher, and cooled shrinkage degree can be more serious, shrinks more serious; This shrink is embodied in the relative displacement between outer surface change in size and inner different material layer, in the time of storeroom high strength bond, will between interior layer, produce tension force, and internal structure tension force will affect the useful life of attaching plug; Size is larger, and after the plug that glue-line is thicker is cooled to normal room temperature or places a period of time after injection moulding, glue-line easily shrinks, and makes outward appearance ugly, does not reach customer requirement, and even change in size causes not meeting the requirement of safety.These class substandard products cause doing over again or scrapping, and bring very big loss to enterprise, also serious waste natural resources.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of secondary injection molding attaching plug, by secondary injection molding technology, reduce the chance of the substandard products that shrink after plug injection moulding, guaranteed due under the condition of high temperature, bad order and size that the shrinkage problem of plastic material itself causes are bad; By at inner bag skeleton surface coated with nano ultrathin insulating particle, for thermal deformation and thermal walking between inner bag skeleton and an injection moulding glue-line provide slip dielectric layer, make attaching plug of the present utility model there is in long-term use procedure thermal change type good, product appearance is good, in production process, size compliance rate is good, defect rate reduces, and rate of finished products improves.
For achieving the above object, the technical solution of the utility model is as follows: a kind of secondary injection molding attaching plug, comprise ground wire adapter, ground wire reed, live wire adapter, live wire pin, zero line adapter, zero line pin, inner bag skeleton, nano coating, RVV, live wire, ground wire, zero line, plastic layer and secondary plastic layer, it is characterized in that:
Described ground wire is taken over described RVV ground wire crimping and is formed ground wire connector; Described live wire is taken over described RVV live wire crimping and is formed live wire connector; Described zero line is taken over described RVV zero line crimping and is formed zero line connector; Described ground wire reed and described ground wire are that riveting mode connects between taking over, and form a complete gnd conductor; Described gnd conductor, live wire connector and zero line connector, be injection molded into skeleton terminal wires assembly by PBT, and described skeleton terminal assemblies, through single injection-molded, obtains the semi-finished product of attaching plug; Described semi-finished product, through secondary injection molding, obtain attaching plug finished product.
Described attaching plug completes in two steps in the time of injection mo(u)lding, when injection mo(u)lding for the first time, obtains semi-finished product, and half-finished shape and bondline thickness are all little than final finished.After semi-finished product cooling and shaping, then semi-finished product are carried out to the coated sizing material of injection moulding for the second time, obtain shrink-proof final plug product.
When described glue line material secondary injection molding, experience injection mo(u)lding for the first time and two cooling procedures of injection mo(u)lding for the second time, glue-line gross thickness is also the result of the thickness of injection mo(u)lding for the first time and molding thickness stack for the second time; Glue-line when systolic depression part is by injection mo(u)lding for the second time when injection mo(u)lding for the first time covers, and reaches and reduces shrink contractive effect.The bondline thickness of injection mo(u)lding is for the second time less than total bondline thickness, and little also can the reaching of thickness reduced shrink contractive effect.
Described inner bag skeleton surface, be coated with insulating nano particle book layer, make between inner bag skeleton and the sizing material of single injection-molded, combine closely and there is the cushioning effect of sliding between certain degree aspect, the hot temperature greatly having reduced thus between interlayer, structure becomes tension force, thereby guarantee in the long-term use procedure of attaching plug the harmful effect of inner tensions to material structure.
Described inner bag skeleton external coating insulating nano particle layer, selects nano silicon or nanometer silicon carbide, and disposable completing in the time of the injection mo(u)lding of inner bag skeleton, does not increase extra technical process, and simple to operate, painting effect is good.
Described skeleton terminal wires assembly, it is manufactured flow process and is:
Described inner bag skeleton, is polybutylene terephthalate (PBT), and English name polybutylene terephthalate(is called for short PBT), belong to the thermoplastic polyester of polyester series; Described PBT sizing material and Nano particles of silicon dioxide are manufactured moulding by injection moulding coating process; Described live wire pin, ground wire reed and zero line pin is jointly injection-moulded on the inner bag skeleton of PBT material and forms attaching plug skeleton terminal wires assembly;
Live wire pin, ground wire reed, zero line pin all adopt brass material, and in described brass material, copper content is between 50% to 99%; Described live wire pin is formed by copper rod turning, and the pipe that its afterbody is lathed hollow forms live wire aluminium hydraulic pressed connecting pipe, is used for the live wire of crimping lead wire; Described zero line pin is formed by copper rod turning, and the pipe that its afterbody is lathed hollow forms zero line aluminium hydraulic pressed connecting pipe, is used for the zero line of crimping lead wire.Described ground wire reed is formed by copper strips punching press, and ground wire is taken over and formed by copper rod turning, and the pipe that its afterbody is lathed hollow forms ground wire adapter; Described ground wire reed and ground wire are that riveting mode connects between taking over, and form a complete gnd conductor;
Described attaching plug live wire, gnd conductor, zero line are placed in mould by certain size and certain spacing, with PBT material injection moulding aftershaping, are fixed on the skeleton of PBT material, have formed the internal frame of attaching plug.Live wire pin, ground wire reed, zero line pin are separated and fix by PBT insulated with material layer; PBT material surface is coated with silicon dioxide or carborundum insulating nano particle, and its particle diameter is 80 to 150 nanometers.
Conductor compression jointing process: select three core protective case wires by design specification, after severing, after peeling the sheath of a segment length off, expose insulated wire cores, be electric wire live wire, electric wire ground wire, electric wire zero line, then after one section of insulating barrier of insulated wire cores being peeled off again, expose copper wire conductor, the exposed copper wire conductor of described live wire, zero line, ground wire head is taken over the live wire on described inner bag skeleton, zero line is taken over, ground wire is taken over corresponding crimping respectively and fixed; So just complete the processing of attaching plug skeleton terminal wires assembly.
Single injection-molded: by above-mentioned plug skeleton terminal wires assembly, be placed on for the first time in injection forming mold, injection moulding obtains a plastic layer; After injection mo(u)lding, take out, after cooling and shaping, form semi-finished product; The plastic cement coating layer that can see single injection-molded is coated on outside; Ground wire reed, live wire pin, zero line pin, RVV expose, and are coated and fixed and become an entirety by a plastic layer of single injection-molded.
When glue line material injection moulding for the first time, temperature is between 120 DEG C to 200 DEG C; Shore hardness when glue line material injection moulding is for the first time between 20 to 100; When injection moulding for the first time, bondline thickness is between 0.1 millimeter to 10 millimeters; Half-finished glue-line geomery is less than the glue-line geomery of final finished.
Secondary injection molding: described semi-finished product are placed on for the second time in moulding injection mold, obtain secondary plastic layer; After injection moulding, take out, after placement nature is cooling, obtain shrink-proof attaching plug finished product, the plastic cement coating layer secondary plastic layer that can see injection mo(u)lding is for the second time coated on outside; Ground wire reed, live wire pin, zero line pin, RVV expose, and are fixed into final shape by the plastic cement coating layer secondary plastic layer of injection mo(u)lding for the second time.
When glue line material injection moulding for the second time, temperature is between 120 DEG C to 200 DEG C; Shore hardness when glue line material injection moulding is for the second time between 20 to 100; When injection moulding for the second time, bondline thickness is between 0.1 millimeter to 10 millimeters.
A described plastic layer and secondary plastic layer material are: the mixture of one or more materials in PVC, PE, ABS, PBT, PC.
Described inner bag framework material is the one in PBT, ABS, PC.
Described attaching plug manufacturing dimension, produces and manufactures according to general broadcast standard.
Pass through technique scheme, the beneficial effect of technical solutions of the utility model is: adopt secondary injection molding to manufacture attaching plug, reduce the chance of the substandard products that shrink after plug injection moulding, guaranteed due under the condition of high temperature, bad order and size that the shrinkage problem of plastic material itself causes are bad; By at inner bag skeleton surface coated with nano ultrathin insulating particle, for thermal deformation and thermal walking between inner bag skeleton and an injection moulding glue-line provide slip dielectric layer, make attaching plug of the present utility model there is in long-term use procedure thermal change type good, product appearance is good, in production process, size compliance rate is good, defect rate reduces, and rate of finished products improves.Owing to having adopted secondary injection molding and inner bag skeleton application insulating nano particle layer, when injection moulding for the first time, can also utilize recovery waste material, reclaim resource and be reused, also save sizing material cost and resource simultaneously.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below.
Fig. 1 a, Fig. 1 b, Fig. 1 c are the disclosed a kind of secondary injection molding attaching plug vertical view of the utility model embodiment, profile, upward view schematic diagram;
Fig. 2 is the disclosed a kind of secondary injection molding attaching plug crimping assembling schematic diagram of the utility model embodiment;
Fig. 3 is the disclosed a kind of secondary injection molding attaching plug single injection-molded schematic diagram of the utility model embodiment;
Fig. 4 is the disclosed a kind of secondary injection molding attaching plug secondary injection molding schematic diagram of the utility model embodiment.
Fig. 5 is the disclosed a kind of secondary injection molding attaching plug quadric injection mould entity schematic diagram of the utility model embodiment.
Numeral and the represented corresponding component title of letter in figure:
10. ground wire is taken over 11. ground wire reed 12. live wires and is taken over 121. live wire pins
13. zero lines are taken over 131. zero line pin 14. inner bag skeleton 15. nano coatings
21. RVV 22. live wire 23. ground wire 24. zero lines
41. 2 plastic layers of 31. plastic layers
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
According to Fig. 1 a, Fig. 1 b, Fig. 1 c, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the utility model provides a kind of secondary injection molding attaching plug, comprise that ground wire takes over 10, ground wire reed 11, live wire take over 12, live wire pin 121, zero line take over 13, zero line pin 131, inner bag skeleton 14, nano coating 15, RVV 21, live wire 22, ground wire 23, zero line 24, plastic layer 31 and a secondary plastic layer 41, it is characterized in that:
Fig. 2 is attaching plug skeleton terminal wires assembly, and it is manufactured process and is:
Described inner bag skeleton 14, for PBT material and Nano particles of silicon dioxide are manufactured moulding by injection moulding coating process; Described live wire pin 121, ground wire reed 11 and zero line pin 131 is jointly injection-moulded on the inner bag skeleton 14 of PBT material and forms inner bracket of power plug;
Live wire pin 121, ground wire reed 11, zero line pin 131 all adopt brass material, and in described brass material, copper content is between 50% to 99%; Described live wire pin 121 is formed by copper rod turning, and the pipe that its afterbody is lathed hollow forms live wire aluminium hydraulic pressed connecting pipe 12, is used for the live wire 22 of crimping lead wire; Described zero line pin 131 is formed by copper rod turning, and the pipe that its afterbody is lathed hollow forms zero line aluminium hydraulic pressed connecting pipe 13, is used for the zero line 24 of crimping lead wire.Described ground wire reed 11 is formed by copper strips punching press, and ground wire is taken over 10 and formed by copper rod turning, and the pipe that its afterbody is lathed hollow forms ground wire adapter 10; Described ground wire reed 11 and ground wire are that riveting mode connects between taking over 10, form a complete gnd conductor;
Described attaching plug live wire, gnd conductor, zero line are placed in mould by certain size and certain spacing, with PBT material injection moulding aftershaping, are fixed on the skeleton 14 of PBT material, have formed the internal frame of attaching plug.Live wire pin 121, ground wire reed 11, zero line pin 131 are separated and fix by PBT insulated with material layer; PBT material surface is coated with silicon dioxide insulator nano particle;
Preferably, described silicon dioxide granule particle diameter is for being greater than 90 to 120 nanometers;
Conductor compression jointing process: select three core protective case wires 21 by design standard specification, after severing, after peeling the sheath of a segment length off, expose insulated wire cores, be electric wire live wire 22, electric wire ground wire 23, electric wire zero line 24, then after one section of insulating barrier of insulated wire cores being peeled off again, expose copper wire conductor, the exposed copper wire conductor of described live wire 22, zero line 24, ground wire 23 heads and the live wire on described inner bag skeleton take over 12, zero line takes over 13, ground wire take over 10 respectively corresponding crimping fix; So just complete the processing of attaching plug skeleton terminal wires assembly.
Single injection-molded: by above-mentioned plug skeleton terminal wires assembly, be placed on for the first time in injection forming mold, injection moulding obtains a plastic layer 31; After injection mo(u)lding, take out, after cooling and shaping, form semi-finished product; The plastic cement coating layer that can see single injection-molded is coated on outside; Ground wire reed 11, live wire pin 121, zero line pin 131, RVV 21 expose, and are coated and fixed and become an entirety, as shown in Figure 3 by a plastic layer 31 of single injection-molded.
Preferably, a described plastic layer temperature is between 160 DEG C to 180 DEG C;
Preferably, the shore hardness when injection moulding for the first time of described glue line material is between 45 to 90;
Preferably, when described injection moulding for the first time bondline thickness between 0.2 millimeter to 4.0 millimeters;
A described half-finished plastic layer geomery is less than the glue-line geomery of final finished.
Preferably, a plastic layer material is PVC material.
Secondary injection molding: described semi-finished product are placed on for the second time in moulding injection mold, obtain secondary plastic layer; After injection moulding, take out, after placement nature is cooling, obtain shrink-proof attaching plug finished product, the plastic cement coating layer secondary plastic layer 41 that can see injection mo(u)lding is for the second time coated on outside; Ground wire reed 11, live wire pin 121, zero line pin 131, RVV 21 expose, and are fixed into final shape, as shown in Figure 4 by the plastic cement coating layer secondary plastic layer 41 of injection mo(u)lding for the second time.
Fig. 5 is plastic layer and secondary plastic layer moulding comparison diagram, and inside is a plastic layer, and outer layer segment is secondary plastic layer.
Preferably, described secondary plastic layer temperature is between 160 DEG C to 180 DEG C;
Preferably, the shore hardness when injection moulding for the second time of described glue line material is between 45 to 90;
Preferably, when described injection moulding for the second time bondline thickness between 0.2 millimeter to 4.0 millimeters;
Preferably, secondary plastic layer material is PVC material.
Adopt secondary injection molding to manufacture attaching plug, the chance of the substandard products that shrink after minimizing plug injection moulding, has guaranteed due under the condition of high temperature, bad order and size that the shrinkage problem of plastic material itself causes are bad; By at inner bag skeleton surface coated with nano ultrathin insulating particle, for thermal deformation and thermal walking between inner bag skeleton and an injection moulding glue-line provide slip dielectric layer, make attaching plug of the present utility model there is in long-term use procedure thermal change type good, product appearance is good, in production process, size compliance rate is good, defect rate reduces, and rate of finished products improves.Owing to having adopted secondary injection molding and inner bag skeleton application insulating nano particle layer, when injection moulding for the first time, can also utilize recovery waste material, reclaim resource and be reused, also save sizing material cost and resource simultaneously.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a secondary injection molding attaching plug, it is characterized in that, comprise ground wire adapter, ground wire reed, live wire adapter, live wire pin, zero line adapter, zero line pin, inner bag skeleton, nano coating, RVV, live wire, ground wire, zero line, plastic layer and secondary plastic layer; Described ground wire is taken over described RVV ground wire crimping and is formed ground wire connector; Described live wire is taken over described RVV live wire crimping and is formed live wire connector; Described zero line is taken over described RVV zero line crimping and is formed zero line connector; Described ground wire reed and described ground wire are that riveting mode connects between taking over, and form a complete gnd conductor; Described gnd conductor, live wire connector and zero line connector, be injection molded into skeleton terminal wires assembly by PBT, and described skeleton terminal assemblies, through single injection-molded, obtains the semi-finished product of attaching plug; Described semi-finished product, through secondary injection molding, obtain attaching plug finished product.
2. a kind of secondary injection molding attaching plug according to claim 1, is characterized in that, described live wire pin, ground wire reed, zero line pin all adopt brass material, and in described brass material, copper content is between 50% to 99%; Described live wire pin is that afterbody is the pipe of hollow; Described zero line pin afterbody is hollow circular tube; Described ground wire reed is formed by copper strips punching press, and described ground wire is taken over the pipe that afterbody is hollow; Described ground wire reed and ground wire are that riveting mode connects between taking over.
3. a kind of secondary injection molding attaching plug according to claim 1, it is characterized in that, described inner bag skeleton surface, be coated with insulating nano particle book layer, described nano particle is insulating nano level spherical particle, is specially the mixture of nanometer grade silica, nanometer silicon carbide one or both particles wherein; Described nano particle diameter is 80 to 150 nanometers.
4. a kind of secondary injection molding attaching plug according to claim 1, is characterized in that, the injection temperature of a described plastic layer is between 120 DEG C to 200 DEG C; The shore hardness of a described plastic layer is between 20 to 100; A described plastic layer thickness is between 0.1 millimeter to 10 millimeters.
5. a kind of secondary injection molding attaching plug according to claim 1, is characterized in that, the injection temperature of described secondary plastic layer is between 120 DEG C to 200 DEG C; The shore hardness of described secondary plastic layer is between 20 to 100; The thickness of described secondary plastic layer is between 0.1 millimeter to 10 millimeters.
6. a kind of secondary injection molding attaching plug according to claim 1, is characterized in that, a described plastic layer and secondary plastic layer material are: one or more material blends in PVC, PE, ABS, PBT, PC; Described inner bag framework material is the one in PBT, ABS, PC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420011339.7U CN203787639U (en) | 2014-01-09 | 2014-01-09 | Power plug of twice injection mouldings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420011339.7U CN203787639U (en) | 2014-01-09 | 2014-01-09 | Power plug of twice injection mouldings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203787639U true CN203787639U (en) | 2014-08-20 |
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ID=51323794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420011339.7U Expired - Fee Related CN203787639U (en) | 2014-01-09 | 2014-01-09 | Power plug of twice injection mouldings |
Country Status (1)
| Country | Link |
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| CN (1) | CN203787639U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104960140A (en) * | 2015-05-08 | 2015-10-07 | 上海飞乐汽车控制系统有限公司 | Compact injection molding method of injection molding part with wire |
| CN106058532A (en) * | 2016-05-27 | 2016-10-26 | 冠德科技(北海)有限公司 | Power adapter based on European standard circle pin |
| CN107234976A (en) * | 2017-06-28 | 2017-10-10 | 胜蓝科技股份有限公司 | A kind of New-type charge rifle and its manufacture method |
| CN112510415A (en) * | 2020-11-30 | 2021-03-16 | 上杭建润电子科技有限公司 | Traceless power plug and production process thereof |
-
2014
- 2014-01-09 CN CN201420011339.7U patent/CN203787639U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104960140A (en) * | 2015-05-08 | 2015-10-07 | 上海飞乐汽车控制系统有限公司 | Compact injection molding method of injection molding part with wire |
| CN106058532A (en) * | 2016-05-27 | 2016-10-26 | 冠德科技(北海)有限公司 | Power adapter based on European standard circle pin |
| CN107234976A (en) * | 2017-06-28 | 2017-10-10 | 胜蓝科技股份有限公司 | A kind of New-type charge rifle and its manufacture method |
| CN112510415A (en) * | 2020-11-30 | 2021-03-16 | 上杭建润电子科技有限公司 | Traceless power plug and production process thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20180109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |