CN107863190A - Coaxial cable structure and production and preparation method thereof - Google Patents
Coaxial cable structure and production and preparation method thereof Download PDFInfo
- Publication number
- CN107863190A CN107863190A CN201710890783.9A CN201710890783A CN107863190A CN 107863190 A CN107863190 A CN 107863190A CN 201710890783 A CN201710890783 A CN 201710890783A CN 107863190 A CN107863190 A CN 107863190A
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- coaxial cable
- cable structure
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- layer
- coating unit
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/016—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing co-axial cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/067—Insulating coaxial cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
- H01B13/148—Selection of the insulating material therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/225—Screening coaxial cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
Abstract
This application discloses a kind of coaxial cable structure, is followed successively by conductor thread core, insulating foam layer and metal screen layer from the inside to the outside；The first clad is provided between the conductor thread core and insulating foam layer, first clad is the clad of PE materials；The second clad is provided between the insulating foam layer and metal screen layer, second clad is the clad of PE materials；The metal screen layer outsourcing is wound with one layer of sealant, and the sealant is ABS plastic material, and the thickness of sealant is between 15 20 μm.By in metal screen layer outer cladding sealant, can the effective prolonging coaxial construction of cable resting period, improve the flexibility used, the occurrence of avoiding oxidation deterioration or even scrap, saved Material Cost.Disclosed herein as well is the method for manufacture and use thereof of above-mentioned coaxial cable structure.
Description
Technical field
The present invention relates to coaxial cable field, particularly a kind of coaxial cable structure and production and preparation method thereof.
Background technology
The structure of coaxial cable is followed successively by conductor thread core, insulating foam layer, metal screen layer and sheath from the inside to the outside.Due to
The performance of cable is influenceed in order to avoid the fish scale-shaped surface of insulating foam layer, in conductor thread core and insulating foam layer, and insulation
One layer of clad can be also respectively provided between foaming layer and metal screen layer.Cable is in process of production one layer by conductor thread core
The upper various materials of layer cladding, are finally made coaxial cable.
Problem is, often (poly- in PE for considering to the application environment of coaxial cable, service life and cost
Ethene), PVC (polyvinyl chloride), PUR (polyurethane), carry out selecting suitable material in the various material such as XLPE (crosslinked polyethylene)
Material makes sheath.Sheath with the external world since it is desired that contact, it is necessary to undergo a variety of influences such as heatproof, weather-proof, shock resistance, it is thick for a long time
Degree tends to take up more than half of coaxial cable diameter, and it is divested from cable needs to expend more man-hour and manpower thing
Power, therefore upper jacket will not be often coated after being arranged operation immediately when coaxial cable completion metal screen layer, but wind
Storage is got up, and the sheath of upper corresponding material is coated according to final actual application environment.Problem is that metal screen layer is for a long time
Exposure is deposited in atmosphere, and metal can cause the quality and property of cable because oxidation corrosion occurs for oxygen and moisture in air
It can decline, or even destruction can only be scrapped.
The content of the invention
The present invention is in view of the above-mentioned problems, propose a kind of coaxial cable structure and production and preparation method thereof.
The technical scheme that the present invention takes is as follows：A kind of coaxial cable structure, conductor thread core, insulation are followed successively by from the inside to the outside
Foaming layer and metal screen layer；The first clad, first clad are provided between the conductor thread core and insulating foam layer
For the clad of PE materials；The second clad, second clad are provided between the insulating foam layer and metal screen layer
For the clad of PE materials；The metal screen layer outsourcing is wound with one layer of sealant, and the sealant is ABS (acrylic nitrile-butadienes two
Alkene-polyglass) plastic material, the thickness of sealant is between 15-20 μm.
One layer of plastics are coated after metal screen layer is covered to complete in outside again to be sealed, and make metal screen layer and air
Isolation is opened completely, and oxidation corrosion will not also occur even if storage longer time, ensure that the signal transmission quality of coaxial cable.
Because ABS weatherabilities are bad, the material of sheath will not be generally elected to be, but temporary sealing layer during as rolling and storage, during sealing
Between it is extremely short compared to for service life, and storage environment is mostly factory building warehouse, and it is sealed and ageing resistace completely can be with
Meet needs.
In one embodiment of the invention, first coating thickness is between 15-20 μm.
In one embodiment of the invention, second coating thickness is between 35-40 μm.
For second clad than the first clad farther away from conductor thread core, circumferential surface tensile stress is also some larger, because
The thickness of this second clad wrapped up is more than the thickness of the first clad.
The present invention also provides a kind of manufacture method of above-mentioned coaxial cable structure, comprises the following steps：
PE is heated in the first coating unit to be melted and injects in the coating mould on the first coating unit；Conductor thread core is even
Speed passes through the first coating unit, and surface wraps the first clad of PE materials；
Conductor thread core passes through cooling device, the first clad cooling and solidifying of PE materials；
Insulation foaming plastic heating melts, then after squeezing into the bubble of inert gas by air pump, by helical screw agitator and conveys
Enter extrusion moulding apparatus, PE heating is melted and injected in the coating unit of skill second, and conductor thread core uniform motion sequentially passes through extrusion moulding apparatus
With the second coating unit, surface superscribes foaming insulation layer and the second clad；
Conductor thread core passes through cooling device, the second clad and the foaming insulation layer cooling and solidifying of PE materials；
Conductor thread core passes through metal screen layer coating unit, and surface is arranged last layer metal screen layer；
ABS heating melts and injects the 3rd coating unit, and conductor thread core at the uniform velocity passes through the 3rd coating unit, and surface wraps
The sealant of ABS materials；
Conductor thread core passes through cooling device, the sealant cooling and solidifying of ABS materials.
After being arranged of metal screen layer is completed, the sealant on external sheath in time can be quickly and effectively by metal
Screen layer protects.ABS plastic is coated by way of fusion coating, there is better seal, be not likely to produce
Hole or gap.
The present invention also provides a kind of application method of above-mentioned coaxial cable structure, it is characterised in that comprises the following steps：
A. the ABS sealants on coaxial cable structure surface are removed；
B. sheath raw materials melt and sheath coating unit is injected, coaxial cable structure at the uniform velocity passes through sheath coating unit, table
Face wraps sheath；
C. coaxial cable structure passes through cooling device, the sheath cooling and solidifying of surface parcel.
The present invention also provides a kind of application method of above-mentioned coaxial cable structure, it is characterised in that comprises the following steps：
A. the ABS sealants on coaxial cable structure surface are removed；
B.PVC raw materials melts simultaneously inject sheath coating unit, and coaxial cable structure at the uniform velocity passes through sheath coating unit, surface
Wrap PVC sheath；
C. coaxial cable structure passes through cooling device, the PVC sheath cooling and solidifying of surface parcel.
In one embodiment of the invention, in the application method of above-mentioned coaxial cable structure, a steps include following step
Suddenly：
A1. doctoring apparatus openings of sizes is set according to metal screen layer cross-sectional diameter in coaxial cable structure；
A2. the surface of coaxial cable structure is heated to 120 DEG C -140 DEG C, and the sealant of ABS materials is melted；
A3. coaxial cable structure passes through doctoring apparatus opening, and the ABS sealants of molten condition are stripped off.
Doctoring apparatus mentioned here includes the scraper plate of a middle opening, and the aperture of opening can adjust, coaxial cable knot
Structure passes through from opening, and the sealing layer segment that size is more than hatch bore diameter is blocked striking off so that through the coaxial of opening
The external diameter of cable is not more than the aperture of opening.
The melting temperature of ABS plastic at 110 DEG C or so, the melting temperatures of other common sheath materials such as PVC 150 DEG C with
On, between the surface of coaxial cable structure is heated into 120 DEG C -140 DEG C, can hardly it be caused in the other parts to sandwich layer
ABS plastic is melted in the case of influence and peeled off in order to scrape.In the production process of reality, metal screen layer is usually pure
Copper material, copper metal screen layer are exposed to easy oxidizing blackening in air at a temperature of 120 DEG C -140 DEG C, influence metal
Screen layer performance.So in use, the process for removing ABS sealants and cladding sheath can be placed in inert gas gas
Carried out in atmosphere environment, avoid metal screen layer from aoxidizing.
The beneficial effects of the invention are as follows：, can effective prolonging coaxial by one layer of sealant of metal screen layer outer cladding
The occurrence of resting period of the construction of cable, improving the flexibility used, while it also avoid oxidation deterioration or even scrap,
Material Cost is saved.
Brief description of the drawings：
Fig. 1 is the cross-sectional structure schematic diagram of coaxial cable structure of the present invention；
Fig. 2 is the structural representation of the scraper plate on doctoring apparatus；
Fig. 3 is the use state diagram of scraper plate；
Fig. 4 is the application method flow chart of coaxial cable structure of the present invention；
Fig. 5 is the application method flow chart of one embodiment of the invention.
Each reference is in figure：
1st, conductor thread core；2nd, insulating foam layer；3rd, metal screen layer；41st, the first clad；42nd, the second clad；5th, it is close
Sealing；6th, coaxial cable structure；7th, scraper plate；71st, it is open.
Embodiment：
With reference to each accompanying drawing, the present invention is described in detail.
Fig. 1 is refer to, a kind of coaxial cable structure of the embodiment of the present invention, is followed successively by conductor thread core 1, insulation hair from the inside to the outside
Alveolar layer 2 and metal screen layer 3；The first clad 41 is provided between conductor thread core 1 and insulating foam layer 2, the first clad 41 is
The clad of PE materials；The second clad 42 is provided between insulating foam layer 2 and metal screen layer 3, the second clad 42 is PE
The clad of material；The outsourcing of metal screen layer 3 is wound with one layer of sealant 5, and sealant 5 is ABS (acrylonitrile-butadiene-styrene (ABS)s
Plastics) plastic material, the thickness of sealant 5 is between 15-20 μm.
One layer of plastic sealing layer 5 is coated after metal screen layer 3 is covered to complete in outside again to be sealed, and makes metallic shield
Layer 3 and air isolation completely are opened, and oxidation corrosion will not also occur even if storage longer time, ensure that the signal of coaxial cable
Transmission quality.Because ABS weatherabilities are bad, the material of sheath will not be generally elected to be, but temporary sealing during as rolling and storage
Layer, Sealing period is extremely short compared to for service life, and storage environment is mostly factory building warehouse, and it is sealed and ageing resistace
Needs can be met completely.
As a kind of embodiment, the thickness of the first clad 41 is between 15-20 μm.
As a kind of embodiment, the thickness of the second clad 42 is between 35-40 μm.
The clad 41 of second clad 42 to the first more principle conductor thread core, circumferential surface tensile stress is also bigger by one
A bit, therefore the thickness of the second clad 42 that wraps up is more than the thickness of the first clad 41.
The embodiment of the present invention also provides a kind of manufacture method of above-mentioned coaxial cable structure, comprises the following steps：
PE is heated in the first coating unit to be melted and injects in the coating mould on the first coating unit；Conductor thread core 1
The first coating unit is at the uniform velocity passed through, surface wraps the first clad 41 of PE materials；
Conductor thread core 1 passes through cooling device, and the first clad 41 of PE materials cools and solidifies；
Insulation foaming plastic heating melts, then after squeezing into the bubble of inert gas by air pump, by helical screw agitator and conveys
Enter extrusion moulding apparatus, PE heating is melted and injected in the coating unit of skill second, and the uniform motion of conductor thread core 1 sequentially passes through extrusion moulding apparatus
With the second coating unit, surface superscribes the clad 42 of foaming insulation layer 2 and second；
Conductor thread core 1 passes through cooling device, and the second clad 42 and foaming insulation layer 2 of PE materials cool and solidify；
Conductor thread core 1 passes through metal screen layer coating unit, and surface is arranged last layer metal screen layer 3；
ABS heating melts and injects the 3rd coating unit, and conductor thread core 1 at the uniform velocity passes through the 3rd coating unit, and surface wraps
The sealant 5 of ABS materials；
Conductor thread core 1 passes through cooling device, and the sealant 5 of ABS materials cools and solidifies.
After being arranged of metal screen layer 3 is completed, sealant 5 on external sheath in time can be quickly and effectively by gold
Category screen layer 3 protects.ABS plastic is coated by way of fusion coating, there is better seal, be not easy to produce
Raw hole or gap.
Fig. 4 is refer to, the embodiment of the present invention also provides a kind of application method of above-mentioned coaxial cable structure, and its feature exists
In comprising the following steps：
A. the ABS sealants on coaxial cable structure surface are removed；
B. sheath raw materials melt and sheath coating unit is injected, coaxial cable structure at the uniform velocity passes through sheath coating unit, table
Face wraps sheath；
C. coaxial cable structure passes through cooling device, the sheath cooling and solidifying of surface parcel.
The embodiment of the present invention also provides a kind of application method of above-mentioned coaxial cable structure, it is characterised in that including with
Lower step：
A. the ABS sealants on coaxial cable structure surface are removed；
B.PVC raw materials melts simultaneously inject sheath coating unit, and coaxial cable structure at the uniform velocity passes through sheath coating unit, surface
Wrap PVC sheath；
C. coaxial cable structure passes through cooling device, the PVC sheath cooling and solidifying of surface parcel.
Refer to Fig. 5, as a kind of embodiment, in the application method of above-mentioned coaxial cable structure 6, a steps include with
Lower step：
A1. doctoring apparatus openings of sizes is set according to metal screen layer cross-sectional diameter in coaxial cable structure 6；
A2. the surface of coaxial cable structure is heated to 120 DEG C -140 DEG C, and the sealant of ABS materials is melted；
A3. coaxial cable structure passes through doctoring apparatus opening, and the ABS sealants of molten condition are stripped off.
It refer to Fig. 3, doctoring apparatus mentioned here includes the scraper plate 7 of a middle opening 71, and 71 aperture of being open can
Regulation, coaxial cable structure 6 pass through from opening 71, and the ABS sealing shrouds that size is more than the aperture of opening 71 are blocked striking off down
Come so that the external diameter through the coaxial cable structure 6 of opening 71 is not more than the aperture of opening 71.
The melting temperature of ABS plastic at 110 DEG C or so, the melting temperatures of other common sheath materials such as PVC 150 DEG C with
On, between the surface of coaxial cable structure 6 is heated into 120 DEG C -140 DEG C, can hardly it be made in the other parts to sandwich layer
Peeled off into melting ABS plastic in the case of influence in order to scrape.In the production process of reality, metal screen layer 3 is usual
For fine copper material, copper metal screen layer 3 is exposed to easy oxidizing blackening in air, shadow at a temperature of 120 DEG C -140 DEG C
Ring the performance of metal screen layer 3.So in use, the process for removing ABS sealants and cladding sheath can be placed in lazy
Carried out in property gas atmosphere environment, avoid metal screen layer 3 from aoxidizing.
The preferred embodiments of the present invention are these are only, not thereby limit the scope of patent protection of the present invention, every fortune
The equivalent structure transformation made with description of the invention and accompanying drawing content, directly or indirectly it is used in other related technology necks
Domain, similarly include within the scope of the present invention.
Claims (7)
1. a kind of coaxial cable structure, being followed successively by conductor thread core, insulating foam layer and metal screen layer from the inside to the outside, its feature exists
In：
The first clad is provided between the conductor thread core and insulating foam layer, first clad is the cladding of PE materials
Layer；
The second clad is provided between the insulating foam layer and metal screen layer, second clad is the cladding of PE materials
Layer；
The metal screen layer outsourcing is wound with one layer of sealant, and the sealant is ABS plastic material, and the thickness of sealant exists
Between 15-20 μm.
2. coaxial cable structure as claimed in claim 1, it is characterised in that first coating thickness 15-20 μm it
Between.
3. coaxial cable structure as claimed in claim 1, it is characterised in that second coating thickness 35-40 μm it
Between.
A kind of 4. manufacture method of coaxial cable structure as described in claim 1-3 any one, it is characterised in that including with
Lower step：
PE is heated in the first coating unit to be melted and injects in the coating mould on the first coating unit；Conductor thread core is at the uniform velocity worn
The first coating unit is crossed, surface wraps the first clad of PE materials；
Conductor thread core passes through cooling device, the first clad cooling and solidifying of PE materials；
Insulation foaming plastic heating melts, then after squeezing into the bubble of inert gas by air pump, by helical screw agitator and conveys into crowded
Molding apparatus, PE heating, which melts, simultaneously injects in the coating unit of skill second, and conductor thread core uniform motion sequentially passes through extrusion moulding apparatus and the
Two coating units, surface superscribe foaming insulation layer and the second clad；
Conductor thread core passes through cooling device, the second clad and the foaming insulation layer cooling and solidifying of PE materials；
Conductor thread core passes through metal screen layer coating unit, and surface is arranged last layer metal screen layer；
ABS heating melts and injects the 3rd coating unit, and conductor thread core at the uniform velocity passes through the 3rd coating unit, and surface wraps ABS materials
The sealant of matter；
Conductor thread core passes through cooling device, the sealant cooling and solidifying of ABS materials.
A kind of 5. application method of coaxial cable structure as described in claim 1-3 any one, it is characterised in that including with
Lower step：
A. the ABS sealants on coaxial cable structure surface are removed；
B. sheath raw materials melt and sheath coating unit is injected, coaxial cable structure at the uniform velocity passes through sheath coating unit, and surface is wrapped up in
Upper jacket；
C. coaxial cable structure passes through cooling device, the sheath cooling and solidifying of surface parcel.
A kind of 6. application method of coaxial cable structure as described in claim 1-3 any one, it is characterised in that including with
Lower step：
A. the ABS sealants on coaxial cable structure surface are removed；
B.PVC raw materials melts simultaneously inject sheath coating unit, and coaxial cable structure at the uniform velocity passes through sheath coating unit, and surface wraps
PVC sheath；
C. coaxial cable structure passes through cooling device, the PVC sheath cooling and solidifying of surface parcel.
7. the application method of the coaxial cable structure as described in claim 5 or 6, it is characterised in that a steps include following
Step：
A1. doctoring apparatus openings of sizes is set according to metal screen layer cross-sectional diameter in coaxial cable structure；
A2. the surface of coaxial cable structure is heated to 120 DEG C -140 DEG C, and the sealant of ABS materials is melted；
A3. coaxial cable structure passes through doctoring apparatus opening, and the ABS sealants of molten condition are stripped off.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911201682.1A CN111128451B (en) | 2017-09-27 | 2017-09-27 | Method for manufacturing coaxial cable structure |
| CN201710890783.9A CN107863190B (en) | 2017-09-27 | 2017-09-27 | Coaxial cable structure and methods of making and using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710890783.9A CN107863190B (en) | 2017-09-27 | 2017-09-27 | Coaxial cable structure and methods of making and using same |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911201682.1A Division CN111128451B (en) | 2017-09-27 | 2017-09-27 | Method for manufacturing coaxial cable structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107863190A true CN107863190A (en) | 2018-03-30 |
| CN107863190B CN107863190B (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710890783.9A Active CN107863190B (en) | 2017-09-27 | 2017-09-27 | Coaxial cable structure and methods of making and using same |
| CN201911201682.1A Active CN111128451B (en) | 2017-09-27 | 2017-09-27 | Method for manufacturing coaxial cable structure |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11581110B2 (en) | 2021-04-07 | 2023-02-14 | Lanto Electronic Limited | Cable assembly and manufacturing method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111128451B (en) | 2021-04-13 |
| CN107863190B (en) | 2020-01-17 |
| CN111128451A (en) | 2020-05-08 |
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