CN108538497A - Lotus root core cable mold and the method for producing lotus root core cable using it - Google Patents
Lotus root core cable mold and the method for producing lotus root core cable using it Download PDFInfo
- Publication number
- CN108538497A CN108538497A CN201810195122.9A CN201810195122A CN108538497A CN 108538497 A CN108538497 A CN 108538497A CN 201810195122 A CN201810195122 A CN 201810195122A CN 108538497 A CN108538497 A CN 108538497A
- Authority
- CN
- China
- Prior art keywords
- lotus root
- mold
- cable
- hole
- endoporus
- 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.)
- Pending
Links
- 235000006508 Nelumbo nucifera Nutrition 0.000 title claims abstract description 44
- 240000002853 Nelumbo nucifera Species 0.000 title claims abstract description 44
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims description 12
- 239000004020 conductor Substances 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000007787 solid Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
Classifications
-
- 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
- H01B13/143—Insulating conductors or cables by extrusion with a special opening of the extrusion head
-
- 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
- H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
-
- 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
- H01B13/145—Pretreatment or after-treatment
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of lotus root core cable mold and using the method that it produces lotus root core cable, the lotus root core cable mold includes the outer die casing and mold core being mounted in extruder head（2）, the outer die casing is interior to be equipped with endoporus, the mold core（2）It is removably threaded through in the endoporus of outer die casing, endoporus of the endoporus close to the exit of outer die casing is straight hole, and diameter is identical as preforming outer diameter of cable, the mold core（2）Centre be equipped with central through hole（4）, the mold core（2）Above, central through hole is surrounded（4）Surrounding is also evenly distributed with 7 round bars（3）, the central through hole（4）It is interior to be equipped with diameter and central through hole（4）Removable, the dismountable inner tube that diameter matches（1）.The lotus root core cable mold of the present invention, clever structure is succinct, and the mode of production is flexible, and producing on cable insulation has the equally distributed lotus root core cable of seven apertures, has lightweight, the excellent benefit that low-loss, transmission rate is fast, dielectric constant is low.
Description
Technical field
Lotus root core wire is produced the invention belongs to communication equipment manufacturing field more particularly to a kind of lotus root core cable mold and using it
The method of cable, lotus root core cable is mainly for the production of PTFE lotus root core radio-frequency cables, and cable application is in cellular base station antenna.
Background technology
With the raising of technicalization degree, people are higher and higher for the quality requirement of communication, and existing radio-frequency cable is exhausted
Edge is usually solid, there is a problem of that quality is big, loss is high, and people, which need to find better method, to be substituted.
Invention content
To solve the above-mentioned problems, a kind of the present invention provides clever structures succinct, the flexible lotus root core cable of the mode of production
Mold.
The present invention is achieved through the following technical solutions：
Lotus root core cable mold includes outer die casing and mold core in extruder head, and endoporus is equipped in the outer die casing, described
Mold core is removably threaded through in the endoporus of outer die casing, and endoporus of the endoporus close to the exit of outer die casing is straight hole, straight
Diameter is identical as preforming outer diameter of cable, and the centre of the mold core is equipped with central through hole, on the mold core, around central through hole week
Enclose and be also evenly distributed with 7 round bars, in the central through hole equipped with diameter and central through hole diameter match move, it is removable
The inner tube unloaded.
Preferably, the round bar is Hollow circular beam.
Preferably, the top of the round bar is equipped with chamfering.
Preferably, the mold core is string configuration, said inner tube is another far from round bar from mold core at least partly
One end is stretched out, in order to adjust.
The invention also discloses a kind of methods producing lotus root core cable using above-mentioned lotus root core cable mold, including following step
Suddenly：
（1）Insulating layer raw material using polytetrafluorethylepowder powder as semi-flexible cable, raw material is by green compact, extruder heating and melting
After be prepared to enter into outer die casing endoporus；
（2）When it is the intermediate structure for carrying central through hole and around carry 7 apertures to need finally formed cable insulation layer,
By the inner tube control among mold core to reach the state flushed with 7 round bars, raw material is then controlled gradually from outer die casing endoporus
Straight hole section squeeze out because there is the presence of mold core, finally cable insulation layer out is intermediate with carrying 7 around central through hole
The lotus root cored structure of a aperture；
（3）When the structure for needing finally formed cable insulation layer to be intermediate directly package center conductor, surrounding carries 7 apertures
When, by the inner tube control among mold core to be retracted to the position flushed with 7 round bar roots, meanwhile, by center conductor from inner tube
Interior stretching controls its extrusion synchronous with raw material, and finally cable insulation layer out is that centre is directly enclosed with center conductor, surrounding
Lotus root cored structure with 7 apertures；
（4）By step（3）The lotus root core cable of gained is sintered.
Preferably, the step（4）In sintering temperature be 380 DEG C.
The beneficial effects of the invention are as follows：
The lotus root core cable mould structure of the present invention is ingenious succinct, and the mode of production is flexible, using the unique lotus root core cable mould of the present invention
Have the cable produced and normal conventional radio-frequency cable insulated solid compares, producing on cable insulation there are seven apertures uniform
The lotus root core cable of distribution, this lotus root core cable containing multiple apertures can obtain that lightweight, low-loss, transmission rate is fast, is situated between
The low excellent benefit of electric constant, is worthy to be popularized.
Description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 is the dimensional structure diagram of mold core in the embodiment of the present invention；
Fig. 2 is detail view at A in Fig. 1；
Fig. 3 is the vertical view of mold core in the embodiment of the present invention；
Fig. 4 is intermediate with the lotus root core cable insulation layer structure of central through hole and surrounding with 7 apertures.
Specific implementation mode
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
This specification（Including any accessory claim, abstract and attached drawing）Disclosed in any feature, except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only
It is an example in a series of equivalent or similar characteristics.
Lotus root core cable mold as shown in Figs. 1-3, includes outer die casing and mold core 2 in extruder head, described outer
Endoporus is equipped in die sleeve, the mold core 2 is removably threaded through in the endoporus of outer die casing, and the endoporus is close to the outlet of outer die casing
The endoporus at place is straight hole, and diameter is identical as preforming outer diameter of cable, and the centre of the mold core 2 is equipped with central through hole 4, described
It is also evenly distributed with 7 round bars 3 on mold core 2, around central through hole 4, it is logical with center that diameter is equipped in the central through hole 4
Removable, the dismountable inner tube 1 that 4 diameter of hole matches.
The round bar 3 is Hollow circular beam.
The top of the round bar 3 is equipped with chamfering.
The mold core 2 is string configuration, and the other end of the said inner tube 1 at least partly far from round bar 3 from mold core 2 is stretched
Go out.
The method for producing lotus root core cable using above-mentioned lotus root core cable mold, comprises the following steps：
（1）Insulating layer raw material using polytetrafluorethylepowder powder as semi-flexible cable, raw material is by green compact, extruder heating and melting
After be prepared to enter into outer die casing endoporus；
（2）When it is the intermediate structure for carrying central through hole and around carry 7 apertures to need finally formed cable insulation layer,
By the inner tube control among mold core to reach the state flushed with 7 round bars, raw material is then controlled gradually from outer die casing endoporus
Straight hole section squeeze out because there is the presence of mold core, finally cable insulation layer out is intermediate with carrying 7 around central through hole
The lotus root cored structure of a aperture, structure is as shown in figure 4, wherein 5 be insulating layer, 5.1 centre bores, 5.2 lotus root core bore；
（3）When the structure for needing finally formed cable insulation layer to be intermediate directly package center conductor, surrounding carries 7 apertures
When, by the inner tube control among mold core to be retracted to the position flushed with 7 round bar roots, meanwhile, by center conductor from inner tube
Interior stretching controls its extrusion synchronous with raw material, and finally cable insulation layer out is that centre is directly enclosed with center conductor, surrounding
Lotus root cored structure with 7 apertures；
（4）By step（3）The lotus root core cable of gained is sintered.
The step（4）In sintering temperature be 380 DEG C.
The lotus root core cable mould structure of the present invention is ingenious succinct, and the mode of production is flexible, using the unique lotus root core wire of the present invention
The cable and normal conventional radio-frequency cable insulated solid that cable mold is produced compare, and producing on cable insulation has seven apertures
Equally distributed lotus root core cable, this lotus root core cable containing multiple apertures can obtain lightweight, low-loss, transmission rate
Soon, the low excellent benefit of dielectric constant, is worthy to be popularized.
The invention is not limited in specific implementation modes above-mentioned.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (6)
1. lotus root core cable mold, which is characterized in that include outer die casing and mold core in extruder head（2）, the external mold
Endoporus, the mold core are equipped in set（2）It is removably threaded through in the endoporus of outer die casing, the endoporus is close to the outlet of outer die casing
The endoporus at place is straight hole, and diameter is identical as preforming outer diameter of cable, the mold core（2）Centre be equipped with central through hole（4）,
The mold core（2）Above, central through hole is surrounded（4）Surrounding is also evenly distributed with 7 round bars（3）, the central through hole（4）Inside it is equipped with
Diameter and central through hole（4）Removable, the dismountable inner tube that diameter matches（1）.
2. lotus root core cable mold according to claim 1, which is characterized in that the round bar（3）For Hollow circular beam.
3. lotus root core cable mold according to claim 1, which is characterized in that the round bar（3）Top be equipped with chamfering.
4. lotus root core cable mold according to claim 1, which is characterized in that the mold core（2）It is described for string configuration
Inner tube（1）At least partly from mold core（2）Upper separate round bar（3）The other end stretch out.
5. utilizing the method for the lotus root core cable mold production lotus root core cable described in claim 1-4 any one, which is characterized in that
It comprises the following steps：
（1）Insulating layer raw material using polytetrafluorethylepowder powder as semi-flexible cable, raw material is by green compact, extruder heating and melting
After be prepared to enter into outer die casing endoporus；
（2）When it is the intermediate structure for carrying central through hole and around carry 7 apertures to need finally formed cable insulation layer,
By the inner tube control among mold core to reach the state flushed with 7 round bars, raw material is then controlled gradually from outer die casing endoporus
Straight hole section squeeze out；
（3）When the structure for needing finally formed cable insulation layer to be intermediate directly package center conductor, surrounding carries 7 apertures
When, by the inner tube control among mold core to be retracted to the position flushed with 7 round bar roots, meanwhile, by center conductor from inner tube
Interior stretching controls its extrusion synchronous with raw material；
（4）By step（3）The lotus root core cable of gained is sintered.
6. the method for manufacture lotus root core cable according to claim 5, which is characterized in that the step（4）In sintering temperature
Degree is 380 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810195122.9A CN108538497A (en) | 2018-03-09 | 2018-03-09 | Lotus root core cable mold and the method for producing lotus root core cable using it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810195122.9A CN108538497A (en) | 2018-03-09 | 2018-03-09 | Lotus root core cable mold and the method for producing lotus root core cable using it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108538497A true CN108538497A (en) | 2018-09-14 |
Family
ID=63486695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810195122.9A Pending CN108538497A (en) | 2018-03-09 | 2018-03-09 | Lotus root core cable mold and the method for producing lotus root core cable using it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108538497A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409181A (en) * | 2014-12-09 | 2015-03-11 | 天津米克威科技有限公司 | Processing process of lotus-root-core-shaped polytetrafluoroethylene insulation layer for radio frequency cable |
| CN204792225U (en) * | 2015-06-16 | 2015-11-18 | 深圳金信诺高新技术股份有限公司 | A mould for making lotus root core |
-
2018
- 2018-03-09 CN CN201810195122.9A patent/CN108538497A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409181A (en) * | 2014-12-09 | 2015-03-11 | 天津米克威科技有限公司 | Processing process of lotus-root-core-shaped polytetrafluoroethylene insulation layer for radio frequency cable |
| CN204792225U (en) * | 2015-06-16 | 2015-11-18 | 深圳金信诺高新技术股份有限公司 | A mould for making lotus root core |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180914 |
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| RJ01 | Rejection of invention patent application after publication |