CN106025599A - Data line and manufacturing method therefor - Google Patents

Data line and manufacturing method therefor Download PDF

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Publication number
CN106025599A
CN106025599A CN201610430878.8A CN201610430878A CN106025599A CN 106025599 A CN106025599 A CN 106025599A CN 201610430878 A CN201610430878 A CN 201610430878A CN 106025599 A CN106025599 A CN 106025599A
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China
Prior art keywords
line
insulation glue
lding
glue
header body
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Granted
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CN201610430878.8A
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Chinese (zh)
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CN106025599B (en
Inventor
王荣河
宾涛
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Priority to CN201610430878.8A priority Critical patent/CN106025599B/en
Publication of CN106025599A publication Critical patent/CN106025599A/en
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Publication of CN106025599B publication Critical patent/CN106025599B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/70Insulation of connections

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  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

Embodiments of the invention provide a data line and a manufacturing method therefor. The data line comprises a core wire, a plug body which is connected with the core wire, a first insulating adhesive layer which coats a connecting part, a second insulating adhesive layer which coats a hard shell, and a third insulating adhesive layer which coats the second insulating adhesive layer, wherein the plug body comprises the connecting part which is close to one end of the core wire; and the hard shell is assembled on the exterior of the first insulating adhesive layer. The hardness of the plug can be effectively enhanced; the easily encountered problems of inclination and deformation of the plug in the use process can be avoided; and the service life of the data line can be prolonged.

Description

A kind of data wire and manufacture method thereof
Technical field
The application relates to electronic technology field, particularly relates to a kind of data wire and the manufacture of a kind of data wire Method.
Background technology
Along with the development of technology, the electronic product such as computer, digital camera, mobile phone be increasingly becoming people's work, Necessary in life, conversion between these electronic products or data transmission etc. typically will pass through data Line realizes.
Common data wire mainly includes interconnective plug and transmission heart yearn two parts, when making, First outside transmission heart yearn, an insulation sleeve it is coated with, the most again by the two ends of transmission heart yearn respectively with plug the most originally Body connects, and finally the link position in the outer surface of header body and header body with transmission heart yearn is overmolding to Type one insulating barrier, to form plug.Wherein, the most key with the hardness after plug portion molding again, meeting Directly affect the use of data wire.
At present, in order to improve the one-tenth type hardness tester of data cable plug, prior art mainly uses post forming Method.Such as, the first outer surface in header body is coated with one layer of ebonite insulating barrier, then proceedes to This one layer of flexible glue insulating barrier of ebonite insulating barrier outer cladding.But, the plug using this forming method to make is strong Spend the most relatively low, the situation that plug deforms the most often occurs, and uses ebonite molding Pressure is relatively big, is easily caused heart yearn stress and fractures.First post forming in prior art can also insert Outer surface one layer of flexible glue insulating barrier of cladding of head body, then wraps this flexible glue insulating barrier with one layer of iron-clad, Finally outside iron-clad, it is coated with one layer of flexible glue insulating barrier more again.But, said method is adopted the most completely due to iron-clad Wrap up with ebonite so that iron-clad can be stressed directly, and wrap up one layer of iron-clad and also make to deposit between each leg In the risk of short circuit, affect the reliability of data wire further.
Summary of the invention
In view of the above problems, the embodiment of the present application proposes a kind of data wire and corresponding a kind of data wire Manufacture method, to solve the problem that in prior art, data cable plug hardness is relatively low.
In order to solve the problems referred to above, the embodiment of the present application discloses a kind of data wire, including heart yearn, also wraps Include:
The header body being connected with heart yearn, described header body includes the connecting portion near heart yearn one end;
Being coated with the first insulation glue-line of described connecting portion, described first insulate, and glue-line is exterior a hard shell Body;
It is coated with the second insulation glue-line of described hard shell;And,
It is coated with the 3rd insulation glue-line of described second insulation glue-line.
In order to solve the problems referred to above, the embodiment of the present application also discloses the manufacture method of a kind of data wire, bag Include:
The header body being welded with heart yearn is fixed in the first mould;
Use described first mould that described header body carries out for the first time injection mo(u)lding, to form the One insulation glue-line;
A hard shell is assembled outside described first insulation glue-line;
Successively the header body being assembled with rustless steel iron-clad and the first insulation glue-line is carried out second time to be molded Molding and third time injection mo(u)lding, to form the second insulation glue-line and the 3rd insulation glue-line.
Compared with background technology, the embodiment of the present application includes advantages below:
The header body that the embodiment of the present application is connected with heart yearn with cladding by making three-layer insulated glue-line Connecting portion, and at the first insulation exterior hard shell of glue-line, it is possible to effectively strengthen the hardness of plug, The plug avoiding plug the most easily to occur is askew, the problem of deformation, promotes the use of data wire Life-span.
Accompanying drawing explanation
Fig. 1 is the exploded view of the plug of a kind of data wire of the application;
Fig. 2 is that the assembling first of the application is insulated glue-line schematic diagram;
Fig. 3 is that the assembling second of the application is insulated glue-line schematic diagram;
Fig. 4 is assembling the 3rd insulation glue-line schematic diagram of the application;
Fig. 5 is the flow chart of steps of the manufacture method embodiment of a kind of data wire of the application.
Detailed description of the invention
Understandable, below in conjunction with the accompanying drawings for enabling the above-mentioned purpose of the application, feature and advantage to become apparent from With detailed description of the invention, the application is described in further detail.
With reference to Fig. 1, it is shown that the exploded view of the plug of a kind of data wire of the application, described data Line includes heart yearn, and:
The header body 101 being connected with heart yearn, described header body includes the connecting portion near heart yearn one end;
Being coated with the first insulation glue-line 102 of described connecting portion, described first insulate, and glue-line 102 is exterior to be furnished with One hard shell 103;
It is coated with the second insulation glue-line 104 of described hard shell 103;With,
It is coated with the 3rd insulation glue-line 105 of described second insulation glue-line 104.
In the embodiment of the present application, the connecting portion of described header body 101 be with in header body 101 The part being connected with heart yearn, generally, header body 101 can be carried out with heart yearn in the way of employing is welded Connect.
In the embodiment of the present application, the size of described second insulation glue-line 104 can be first exhausted more than described Edge glue-line 102, less than described 3rd insulation glue-line 105, therefore, described second insulation glue-line 104 can To be coated in described 3rd insulation glue-line 105.As shown in figs 2-4, it is the assembling of the application respectively First insulation glue-line the 102, second insulation glue-line 104 and the schematic diagram of the 3rd insulation glue-line 105.
In the embodiment of the present application, hardness relation between each insulation glue-line is it may be that the first insulating cement The hardness of layer 102 is less than the hardness of the second insulation glue-line 104, more than the hardness of the 3rd insulation glue-line 105. Specifically, described first insulation glue-line 102 can use polyethylene (polyethylene is called for short PE) Material, described second insulation glue-line 104 can use polypropylene (Polypropylene is called for short PP) material Matter, described 3rd insulation glue-line 105 can use thermoplastic elastomer (TPE) (Thermoplastic Elastomer, It is called for short TPE) material.
Polyethylene is the aggregated prepared a kind of thermoplastic resin of ethylene, uses hardness the softest, translucent The first insulation glue-line 102 that polyethylene material makes can protect the solder joint between header body and heart yearn, Strengthen plug intensity;And polypropylene is a kind of thermoplastic resin prepared by propylene polymerization, use poly-third The hardness of the second insulation glue-line 104 that alkene material makes is more than the first insulation glue-line using polyethylene to make The hardness of 102, it is possible to further enhance plug intensity;Thermoplastic elastomer (TPE) is then that one has rubber High resiliency, high intensity, high resilience, have again can the material of feature of injection molding, use thermoplastic Property elastomer make the 3rd insulation glue-line 105 contribute to protection cladding in the inner first insulation glue-line 102 and second insulation glue-line 104.
In the embodiment of the present application, described first insulation glue-line the 102, second insulation glue-line 104, and, 3rd insulation glue-line 105 all can be respectively adopted polyethylene, polypropylene, and thermoplastic elastic material is pressed Make according to corresponding injection molding forming method and obtain.
In the embodiment of the present application, described hard shell 103 can be rustless steel iron-clad housing, the most firmly Degree is the rustless steel SUS301 1/2H of HV310-350, and those skilled in the art can be according to actual needs Selecting other kinds of rustless steel, this is not especially limited by the application.Described rustless steel iron-clad housing Size can determine according to the size of the first insulation glue-line 102, so that described first insulation glue-line 102 can be coated with by described rustless steel iron-clad housing completely, thus play described first insulation glue-line 102 and the protective effect of header body.
In the embodiment of the present application, by making three-layer insulated glue-line to be coated with the plug being connected with heart yearn originally The connecting portion of body, and at the first insulation exterior hard shell of glue-line, it is possible to effectively strengthen the hard of plug Degree, it is to avoid the plug that plug the most easily occurs is askew, the problem of deformation, improves data wire Service life.
In the another kind of embodiment of the application, described data wire specifically can include such as lower part:
Heart yearn;
The header body being connected with heart yearn, described header body includes the connecting portion near heart yearn one end;
Being coated with the first insulation glue-line of described connecting portion, described first insulate, and glue-line is exterior a hard shell Body;
It is coated with the second insulation glue-line of described hard shell;Wherein, described second insulation glue-line also includes Net tail, and,
It is coated with the 3rd insulation glue-line of the described second insulation glue-line other parts in addition to net tail.
Generally, the plug meeting safety standard requirements the most all includes the requirement waving test, therefore, Partial Mesh can be designed, to adapt to the angle of corresponding test in safety standard in pin tail outlet place Degree, strengthens waving the number of times of test, and described grid is net tail.
In implementing, multiple groove of cutting sth. askew arranged along its axial spacing can be set on described net tail, And make the groove depth of the plurality of groove of cutting sth. askew be continuously increased, with firm heart yearn and plug along heart yearn to plug direction The connection of body, prevent because of pull draw cause heart yearn fracture or landing.
In the embodiment of the present application, the hardness of the second insulation glue-line including net tail can be exhausted less than the 3rd The hardness of edge glue-line.Therefore, described second insulation glue-line can use soft material to make through molding and obtain, 3rd insulation glue-line then can use hard material to make through molding and obtain, and is coated with except net portion Other parts of second insulation glue-line.
With reference to Fig. 5, it is shown that the flow chart of steps of the manufacture method embodiment of a kind of data wire of the application, Specifically may include steps of:
Step 501, is fixed on the header body being welded with heart yearn in the first mould;
In implementing, core can be welded with after welded to heart yearn and header body fixing by described The header body of line is fixed on the first mould;Described first mould can be according to being welded with heart yearn The size of header body make accordingly, can be complete with the first insulation glue-line obtained after ensureing molding The full connecting portion being coated with described header body.
Step 502, uses described first mould that described header body carries out injection mo(u)lding for the first time, To form the first insulation glue-line;
In a preferred embodiment of the present application, described first mould of described employing is to described plug Body carries out for the first time injection mo(u)lding, specifically can include following son forming the step of the first insulation glue-line Step:
Sub-step 5021, injects the first mould by first fluid sizing material;
Sub-step 5022, suppresses described first fluid sizing material, and cooled plasticizing aftershaping is first Insulation glue-line.
In implementing, after the header body being welded with heart yearn is fixed in the first mould, Can directly pour the first micelle into board hopper, through helical screw agitator, micelle band feeding cylinder be carried out melted moulding Changing, through the joint heating of barrel upper, middle and lower, making described micelle be heated becomes melting state, forms first Fluid sizing material, is then injected the first shaping grinding apparatus by described first fluid sizing material, and is entered by injection pressure Row compacting, is i.e. shaped to the first insulation glue-line after cooled plasticizing.
In the embodiment of the present application, described first fluid sizing material can obtain as follows:
First micelle is injected barrel, and described first micelle is polyethylene micelle;
Described barrel is heated, it is thus achieved that first fluid micelle.
In implementing, described first micelle can be polyethylene micelle.
Generally, injecting machine material tube can include discharging area (upper joint), plasticizing zone (middle joint), anti-saliva section (lower joint), therefore, can use different temperature to heat corresponding to each joint, specifically, and upper joint Temperature can control between 145-155 DEG C, and middle joint temperature can control between 150-160 DEG C, and under Joint temperature then can control between 155-165 DEG C.
Additionally, liquid sizing material is by, time in pressure entrance mould cavity, passing through board chain of command Plate regulation different pressures carries out pressurize, specifically, can adjust stagnation pressure at 80-120Kg/cm2Between scope, Adjust low pressure at 5-20Kg/cm2Between scope, a pressure then can control at 35-45Kg/cm2Scope it Between, two voltage-controlled systems are at 5-15Kg/cm2Between scope.
And in the control of molding time, the first fluid sizing material that can control to melt enters into into from nozzle The time of mould cavity is 2s, and then cooling 4s solidification is qualitative, then die sinking sampling.
Certainly, those skilled in the art can be big according to the size of the concrete material of micelle and header body Little concrete regulation heating-up temperature, pressing pressure and the numerical value of molding time, this is not made specifically by the application Limit.
Step 503, assembles a hard shell outside described first insulation glue-line;
In the embodiment of the present application, described hard shell can be that rustless steel iron-clad housing, such as hardness are The rustless steel SUS301 1/2H of HV310-350, those skilled in the art can select according to actual needs Other kinds of rustless steel, this is not especially limited by the application.The size of described rustless steel iron-clad housing Size can determine according to the size of the first insulation glue-line, so that described first insulation glue-line can be complete It is coated with by described rustless steel iron-clad housing, thus plays described first insulation glue-line and header body Protective effect.
Step 504, carries out the to the header body being assembled with rustless steel iron-clad and the first insulation glue-line successively Secondary injection molding and third time injection mo(u)lding, to form the second insulation glue-line and the 3rd insulation glue-line.
In a preferred embodiment of the present application, described successively to being assembled with rustless steel iron-clad and first exhausted The header body of edge glue-line carries out second time injection mo(u)lding and third time injection mo(u)lding, to form the second insulation The step of glue-line and the 3rd insulation glue-line specifically can include following sub-step:
Sub-step 5041, uses the second mould to being assembled with rustless steel iron-clad and the first insulation glue-line Header body carries out second time injection mo(u)lding, to form the second insulation glue-line;
In the embodiment of the present application, in order to further enhance the intensity of plug, it is also possible to stainless to being assembled with The header body of iron and steel shell and the first insulation glue-line carries out second time injection mo(u)lding.
Described employing the second mould is to being assembled with the plug of rustless steel iron-clad and the first insulation glue-line originally Body carries out second time injection mo(u)lding, may further include forming the sub-step of the second insulation glue-line:
Second fluid sizing material is injected and is placed with the second of the header body completing injection mo(u)lding for the first time In mould;
Suppressing described second fluid sizing material, cooled plasticizing aftershaping is the second insulation glue-line.
In the embodiment of the present application, described second time injection mo(u)lding can use the micelle of polypropylene material to enter OK.In implementing, the mode of operation of described second time injection mo(u)lding and principle are with being molded into for the first time Type is substantially similar, by heating polypropylene micelle to obtain polypropylene fluid sizing material, and then can use Described polypropylene fluid sizing material injects to be placed with and is assembled with rustless steel iron-clad and the plug of the first insulation glue-line In second mould of body, after repressed cooling, sizing and solidifying obtains the second insulation glue-line.
It should be noted that the sizing material material used due to second time injection mo(u)lding with injection mo(u)lding for the first time Matter is different, therefore, needs to adjust forming temperature, pressure, time to reach optimal in concrete operations Molding effect.
In the embodiment of the present application, when using the micelle of polypropylene material, it is obtained by injection machine heating When obtaining polypropylene fluid sizing material, upper joint temperature can control between 180-190 DEG C, and middle joint temperature is permissible Controlling between 185-195 DEG C, lower joint temperature then can control between 195-205 DEG C;Additionally, liquid State sizing material is by, time in pressure entrance mould cavity, adjusting stagnation pressure at 80-120Kg/cm2Scope Between, adjust low pressure at 5-20Kg/cm2Between scope, a pressure then can control at 35-45Kg/cm2 Between scope, two voltage-controlled systems are at 5-15Kg/cm2Between scope;And in the control of molding time, permissible The time that the second fluid sizing material controlling to melt enters into mould cavity from nozzle is 3s, then cools down 4s solidification is qualitative, then die sinking sampling.
Sub-step 5042, after forming described second insulation glue-line, uses the 3rd mould to carry out the 3rd Secondary injection mo(u)lding.
Generally, the plug being equipped with the first insulation glue-line, hard shell and the second insulation glue-line has possessed and has had Certain intensity, can preferably meet the requirement for plug hardness in routine use.But, if Using bigger the second insulation glue-line of hardness as the surface of plug, the most in use owing to the reason such as colliding with Cause the damage of plug, therefore, in the embodiment of the present application, after forming the second insulation glue-line, also may be used Described plug is carried out third time injection mo(u)lding, to protect inner. layers exhausted with the material using hardness relatively low Edge glue-line and header body.
Therefore, described after forming described second insulation glue-line, use the 3rd mould to carry out third time The sub-step of injection mo(u)lding may further include:
3rd fluid sizing material is injected be placed with the header body forming the second insulation glue-line the three one-tenth In mould;
Suppressing described 3rd fluid sizing material, cooled plasticizing aftershaping is the 3rd insulation glue-line.
In the embodiment of the present application, described 3rd fluid sizing material can be thermoplastic elastomer (TPE) fluid sizing material. Thermoplastic elastomer (TPE) is a kind of high resiliency with rubber, high intensity, and high resilience has again and can be molded The material of the feature of processing, the 3rd insulation glue-line using thermoplastic elastomer (TPE) to make contributes to protection cladding The first insulation glue-line in the inner and the second insulation glue-line.
In implementing, the mode of operation of described third time injection mo(u)lding and principle are with being molded into for the first time Type is substantially similar with second time injection mo(u)lding, can be by heating thermoplastic elastic micelle to obtain thermoplastic Property elastic fluid sizing material, and then use described thermoplastic elastic fluid sizing material to inject in the 3rd mould, After repressed cooling, sizing and solidifying obtains the 3rd insulation glue-line.
It should be noted that owing to third time injection mo(u)lding is molded into injection mo(u)lding for the first time and second time Sizing material material that type is used is different, therefore, need to adjust in concrete operations forming temperature, pressure, Time is to reach optimal molding effect.
In the embodiment of the present application, when using the micelle of thermoplastic elastic material, it is added by injection machine When heat obtains thermoplastic elastic fluid sizing material, upper joint temperature can control between 160-170 DEG C, middle joint Temperature can control between 170-180 DEG C, and lower joint temperature then can control between 175-185 DEG C; Additionally, liquid sizing material is by, time in pressure entrance mould cavity, adjusting stagnation pressure and exist 80-120Kg/cm2Between scope, adjust low pressure at 5-20Kg/cm2Between scope, a pressure is the most permissible Control at 40-50Kg/cm2Between scope, two voltage-controlled systems are at 20-30Kg/cm2Between scope;And becoming In the control of type time, the 3rd fluid sizing material that can control to melt enters into mould cavity from nozzle Time be 3s, then cooling 4s solidification qualitative, then die sinking sampling.
It should be noted that for embodiment of the method, in order to be briefly described, therefore it is all expressed as one it be The combination of actions of row, but those skilled in the art should know, and the embodiment of the present application is not by described The restriction of sequence of movement because according to the embodiment of the present application, some step can use other orders or Person is carried out simultaneously.Secondly, those skilled in the art also should know, embodiment described in this description Belong to preferred embodiment, necessary to involved action not necessarily the embodiment of the present application.
Although having been described for the preferred embodiment of the embodiment of the present application, but those skilled in the art being once Know basic creative concept, then these embodiments can be made other change and amendment.So, Claims are intended to be construed to include preferred embodiment and fall into the institute of the embodiment of the present application scope There are change and amendment.
Above a kind of plug provided herein and forming method thereof are described in detail, herein Apply specific case principle and the embodiment of the application are set forth, the explanation of above example It is only intended to help and understands the present processes and core concept thereof;General skill simultaneously for this area Art personnel, according to the thought of the application, the most all will change, In sum, this specification content should not be construed as the restriction to the application.

Claims (11)

1. a data wire, including heart yearn, it is characterised in that also include:
The header body being connected with heart yearn, described header body includes the connecting portion near heart yearn one end;
Being coated with the first insulation glue-line of described connecting portion, described first insulate, and glue-line is exterior a hard shell Body;
It is coated with the second insulation glue-line of described hard shell;And,
It is coated with the 3rd insulation glue-line of described second insulation glue-line.
Data wire the most according to claim 1, it is characterised in that described first insulation glue-line Hardness is less than the hardness of described second insulation glue-line, more than the hardness of described 3rd insulation glue-line.
Data wire the most according to claim 2, it is characterised in that described first insulation glue-line is Polyethylene material, described second insulation glue-line is polypropylene material, and described 3rd insulation glue-line is thermoplasticity Elastomer material.
4. according to the data wire described in any one of claim 1-3, it is characterised in that described hard shell Body is rustless steel iron-clad housing.
Data wire the most according to claim 1, it is characterised in that described second insulation glue-line is also Include net tail, described net tail includes the multiple grooves of cutting sth. askew arranged along its axial spacing, the plurality of Cut sth. askew groove groove depth along described heart yearn to plug direction increase.
6. the manufacture method of a data wire, it is characterised in that including:
The header body being welded with heart yearn is fixed in the first mould;
Use described first mould that described header body carries out for the first time injection mo(u)lding, to form the One insulation glue-line;
A hard shell is assembled outside described first insulation glue-line;
Successively the header body being assembled with rustless steel iron-clad and the first insulation glue-line is carried out second time to be molded Molding and third time injection mo(u)lding, to form the second insulation glue-line and the 3rd insulation glue-line.
Method the most according to claim 6, it is characterised in that described first molding of described employing Mould carries out for the first time injection mo(u)lding to described header body, includes forming the step of the first insulation glue-line:
First fluid sizing material is injected the first mould;
Suppressing described first fluid sizing material, cooled plasticizing aftershaping is the first insulation glue-line.
Method the most according to claim 7, it is characterised in that described first fluid sizing material passes through Following steps obtain:
First micelle is injected barrel, and described first micelle is polyethylene micelle;
Described barrel is heated, it is thus achieved that first fluid micelle.
Method the most according to claim 8, it is characterised in that described stainless to being assembled with successively The header body of iron and steel shell and the first insulation glue-line carries out second time injection mo(u)lding and third time injection mo(u)lding, Include with the step of formation the second insulation glue-line and the 3rd insulation glue-line:
Use the second mould that the header body being assembled with rustless steel iron-clad and the first insulation glue-line is entered Row second time injection mo(u)lding, to form the second insulation glue-line;
After forming described second insulation glue-line, the 3rd mould is used to carry out third time injection mo(u)lding.
Method the most according to claim 9, it is characterised in that described employing the second mould The header body being assembled with rustless steel iron-clad and the first insulation glue-line is carried out second time injection mo(u)lding, with shape The step becoming the second insulation glue-line includes:
Second fluid sizing material is injected and is placed with the second of the header body completing injection mo(u)lding for the first time In mould, described second fluid sizing material is polypropylene fluid sizing material;
Suppressing described second fluid sizing material, cooled plasticizing aftershaping is the second insulation glue-line.
11. according to the method described in claim 9 or 10, it is characterised in that described described in formation After second insulation glue-line, the step using the 3rd mould to carry out third time injection mo(u)lding includes:
3rd fluid sizing material is injected be placed with the header body forming the second insulation glue-line the three one-tenth In mould, described 3rd fluid sizing material is thermoplastic elastomer (TPE) fluid sizing material;
Suppressing described 3rd fluid sizing material, cooled plasticizing aftershaping is the 3rd insulation glue-line.
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