CN103078166B - Longitudinally wrapped sizing die for leaky coaxial cable - Google Patents
Longitudinally wrapped sizing die for leaky coaxial cable Download PDFInfo
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- CN103078166B CN103078166B CN201310011900.1A CN201310011900A CN103078166B CN 103078166 B CN103078166 B CN 103078166B CN 201310011900 A CN201310011900 A CN 201310011900A CN 103078166 B CN103078166 B CN 103078166B
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Abstract
The invention relates to a longitudinally wrapped sizing die for a leaky coaxial cable, belonging to the technical field of electric wire and cable forming devices. The longitudinally wrapped sizing die comprises a sizing die body, wherein a sizing die hole penetrating to the other end from one end is formed in the center of the sizing die body in the length direction. The longitudinally wrapped sizing die is characterized in that the inner diameter of the sizing die hole is identical from one end of the sizing die body to the other end of the sizing die body, and an outer conductor edge guide groove which is communicated with the sizing die hole is also formed in the sizing die body; the outer conductor edge guide groove extends from one end to the other end of the sizing die body in the length direction; and a folding and unfolding guide groove which is used for impelling the edge of an outer conductor to be folded and unfolded by closely clinging to the wall body of the sizing die body is formed in the part of the other end of the sizing die body. The longitudinally wrapped sizing die disclosed by the invention has the advantages that the edge part of the outer conductor can move forwards along the outer conductor edge guide groove in a cabling process, the edge part of the outer conductor which is extruded and extends wraps and covers the outer conductor when passing through the folding and unfolding guide groove, therefore, no skirt phenomenon can be caused, the longitudinally wrapped effect of the outer conductor can be guaranteed and the quality of the leaky coaxial cable can be finally ensured.
Description
Technical field
the invention belongs to electric wire shaped device technical field, be specifically related to a kind of vertical bag of cable plug die that leaks.
Background technology
above mentioned leakage cable is the abbreviation of leaky coaxial cable, this cable had both had the effect of signal transmission, there is again the dual-use function of antenna effect, can be by controlled electromagnetic wave energy by the control of external conductor openings along circuit equably to external radiation and reception, realize the covering to electromagnetic field blind area, to reach the object that mobile communication is unimpeded.This cable is mainly used in Radio Signal Propagation bad such as tunnel, roadway, subway, hypogee and mountain area etc.
as is known in the industry, leak the structure of cable be followed successively by from inside to outside insulating barrier outside inner wire of inner wire, coated (squeeze and cover), be wrapped in outside insulating barrier and with the leak outer conductor of (also claiming slotted eye), (outer conductor is copper strips or aluminium strip, as follows) and be positioned at the oversheath outside outer conductor, can be referring to CN2777713 (leaky coaxial cable), CN201112009 (radial leak coaxial cable) and publication No. CN102064372A(circular leaky waveguide cable to this), etc.From these patent schemes, to indulge, packet mode is vertical to be wrapped in outside insulating barrier outer conductor, that is to say, outer conductor is to indulge that packet mode is vertical to be wrapped in outside the cable core being made up of inner wire and insulating barrier.
in order to make outer conductor vertical the wrapping in outside the aforesaid cable core being formed by inner wire and insulating barrier reliably with leak, therefore conventionally need to be by means of the vertical bag of the leakage cable of structure as shown in Figure 4 plug die in stranding process, the vertical bag of this leakage cable plug die comprises plug die body 1, and the central authorities of the length direction of this plug die body 1 form the sizing nib 11 that has the taper that internal diameter from one end to the other side reduces gradually.When use in the time of stranding, cable core 8 and 9 whiles of outer conductor enter from the right-hand member (shown position is example) of the sizing nib 11 of taper, until from the left end of sizing nib 11 capable go out, outer conductor 9 is just closely coated on outside cable core 8 to indulge bag state, and enters subsequent processing at the outer crowded oversheath that covers of outer conductor 9.
from the vertical bag of the leakage cable plug die of said structure, outer conductor 9 is squeezed and extends when by way of the sizing nib 11 of taper, the redundant material of pushing and extend tends to occur overlapping gauffer shape overlap edge 91, there is ruffle phenomenon or claim shirt rim effect, and shirt rim phenomenon can cause gap 911, gap 911 causes electromagnetic-wave leakage, makes leak the due technical indicator of cable lose stable, and the quality of cable is leaked in final impact.
above-mentioned technical problem suffers from industry for a long time, and expects to solve, but in current published patent and non-patent literature, is showed no all corresponding technology enlightenments that has." communication cable composite sizing die " that for example Granted publication CN101164763B recommends is a kind of variation for conductor assembly outer diameter and make the frock clamp of accommodation, avoids outer conductor to wrinkle when vertical bag outer conductor outward not having referential meaning for solving at cable core.For this reason, the applicant has done long-term and useful exploration and design, has finally formed technical scheme described below, and is taking to have carried out analogue test in the applicant plant area under strict secrecy provision, and it is practicable that result proves.
Summary of the invention
task of the present invention is to provide a kind of and helps avoid outer conductor in stranding process and occur shirt rim phenomenon and use the vertical bag of the leakage cable plug die that ensures the vertical bag effect of outer conductor and finally guarantee to leak cable quality.
task of the present invention completes like this, a kind of vertical bag of cable plug die that leaks, comprise plug die body, the central authorities of the length direction of this plug die body form the sizing nib having from one end to the other side, be characterised in that: one end to the other end of the interior described plug die body without leave of described sizing nib is identical, and on plug die body, also offer an outer conductor edge guides groove communicating with described sizing nib, this outer conductor edge guides groove extends to the described other end from described one end of the length direction of sizing mould body, and be formed with at the position of the described other end for forcing outer conductor edge pasting the folding exhibition guide groove of the wall body folding exhibition of plug die body.
in a specific embodiment of the present invention, form and have a sizing mould body holder in described one end of described plug die body.
technical scheme provided by the invention is owing to offering the outer conductor edge guides groove communicating with sizing nib connecting from one end of sizing mould body to the other end at the length direction of plug die body, and the other end of conductor edge guide channel has formed the folding exhibition guide groove for making the folding exhibition of outer conductor edge outside, thereby in stranding process, the edge of outer conductor can followed outer conductor edge guides groove and advance, the marginal portion of the outer conductor that extruding is extended is coated and covers on outer conductor when by way of folding exhibition guide groove, thereby there will not be shirt rim phenomenon, can ensure vertical bag effect and the final leakage cable quality that ensures of outer conductor.
Brief description of the drawings
fig. 1 is the example structure figure that the vertical bag of cable plug die is leaked in the present invention.
fig. 2 is application examples schematic diagram of the present invention.
fig. 3 is the cutaway view of Fig. 2.
fig. 4 is the structure chart of the vertical bag of the leakage cable plug die in prior art.
Embodiment
for the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, applicant elaborates the mode with embodiment below, but be not all the restriction to the present invention program to the description of embodiment, any done according to the present invention design only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
embodiment:
refer to Fig. 1, provided plug die body 1, the central authorities of the length direction of this plug die body 1 form has from one end (right-hand member of shown position state) to connect to the sizing nib 11 of the other end (left end of shown position state).Technical essential as technical scheme provided by the invention: the central authorities of the length direction of plug die body 1 form has from one end (right-hand member of shown position state) to connect the sizing nib 11 remaining unchanged to the other end (left end of shown position state) and internal diameter size, on plug die body 1, also offer an outer conductor edge guides groove 12 communicating with sizing nib 11, one end (right-hand member) of these outer conductor edge guides groove 12 length directions from sizing mould body 1 extends to the other end (left end), and be formed with at the position of left end for the edge that to force by the material of Fig. 2 and Fig. 3 signal be the outer conductor 9 of copper strips or aluminium strip and pasting the folding exhibition guide groove 121 of the wall body folding exhibition (amounting to) of plug die body 1 at the other end.
from one end, (right-hand member) shrinks and diminishes gradually towards the other end (left end) width of aforesaid outer conductor edge guides groove 12 gradually, until be that left end forms folding exhibition guide groove 121 at the other end.Shown in figure, folding exhibition guide groove 121 be in fact by a pair of edge of the aforementioned outer conductor edge guide groove 12 on plug die body 1 each other with (make somebody a mere figurehead) state that soars formations that cross in opposite directions, this space of soaring is to roll over opens up guide groove 121.
the structure of above-mentioned plug die body 1 is for prior art example structure as shown in Figure 4, due in stranding process, outer conductor 9(Fig. 2 shows) only vertical being wrapped in outside the cable core 8 of being illustrated by Fig. 2 integrally just at the position of the folding exhibition of arrival guide groove 121 of edge, can not extend the shirt rim phenomenon that occur gauffer shape because of extruding.And prior art is the structure shown in Fig. 4, due to the position, both sides of the edge of the length direction of outer conductor 9 is overlapped in the interior entirety of sizing nib 11 simultaneously, thereby because extruding extension factor inevitably produces overlap edge 91, and because overlap edge 91 is essentially wrinkle shirt rim, be therefore prone to gap 911.
please continue to refer to Fig. 1, be that right-hand member formation has a sizing mould body holder 13 in one end of aforesaid plug die body 1.
application examples:
refer to Fig. 2 and Fig. 3 and continue in conjunction with Fig. 1, Fig. 2 and Fig. 3 show the vertical wrap molding device of outer conductor, the vertical wrap molding device of this outer conductor comprises frame 2, base 3, sizing mould bases 4, vertical bag sizing mould bases 5 and vertical bag sizing die holder 6, taking at present by the location status shown in Fig. 2 and Fig. 3 as example, base 3 is fixed on the top of frame 2, sizing mould bases 4 is fixed on the left end of base 3, and on this sizing mould bases 4, be fixed with a plug die 41, specifically, plug die 41 is fixed on sizing mould bases 4 by sizing die holder 411, vertical bag sizing mould bases 5 is fixing on the right side corresponding to sizing mould bases 4 and base 3, vertical bag sizing die holder 6 is fixed on vertical bag sizing mould bases 5, and corresponding with plug die 41.On base 3 and corresponding to the right side of vertical bag sizing mould bases 5, be fixed with a pre-shaping mechanism 7, this pre-shaping mechanism 7 comprises external mold sleeve pipe 71, internal mold sleeve pipe 72, the first adjustment axle 73 and the second adjustment axle 74, the length direction of external mold sleeve pipe 71 forms a taper hole chamber 711, and the diameter in this taper hole chamber 711 diminishes towards left end gradually from right-hand member, also offer an outer conductor bound edge guide groove 712 communicating with taper hole chamber 711 at the length direction of outer die casing pipe 71.Shown in figure, on the outer wall of the right-hand member of outer die casing pipe 71 and have one first base 713 in the each solid welding in corresponding both sides, a pair of the first base 713 is nested with on the first adjustment axle 73, and be positioned at the middle part of the length direction of the first adjustment axle 73, and the first two ends of adjusting axle 73 are respectively connected with aforesaid base 3 by the first adjustment screw 731; On the outer wall of the left end of outer die casing pipe 71 and have one second base 714 in the each solid welding in corresponding both sides, a pair of the second base 714 is nested with on the second adjustment axle 74, and be positioned at the middle part of the length direction of the second adjustment axle 74, and the second two ends of adjusting axle 74 are respectively connected with base 3 by the second adjustment screw 741.Internal mold sleeve pipe 72 is plugged in the aforementioned taper hole chamber 711 of external mold sleeve pipe 71 and fixes with the end face flange fixing screw hole 7151 on the end face flange 715 of internal mold sleeve pipe hold-down screw 722 and external mold sleeve pipe 71, the length direction of this internal mold sleeve pipe 72 forms has from one end (right-hand member) to connect to the cable core entrance hole 721 of the other end (left end), and also forms and have an outer conductor introducing port 723 at the right-hand member of the length direction of internal mold sleeve pipe 72.Preferably, offer a positioning block screw hole 724 at the left end of internal mold sleeve pipe 72, by dog screw 72411, the left end of internal mold sleeve pipe 72 and aforesaid external mold sleeve pipe 71 are fixed in the position corresponding to locating piece screw hole 724 by locating piece 7241.
as shown in Figure 2, the aforementioned plug die body holder 13 of plug die body 1 of the present invention is by the protruding end face and 6 fixing (Fig. 3 shows) of vertical bag sizing die holder of right-hand member, the left end of plug die body 1 inserts and through the sizing die cavity 61 of aforesaid vertical bag sizing die holder 6, and this sizing die cavity 61 has the chamber 611 of stepping down, an outer conductor edge.
under the traction of the haulage gear of cabling device, by inner wire and squeeze and overlay on cable core 8 that the insulating barrier outside inner wire forms and import and enter subsequent processing successively by way of the sizing nib 11 of plug die body 1 and shaper 41 from aforesaid cable core entrance hole 721, meanwhile, outer conductor 6 is introduced from outer conductor intake 723, and after the taper hole chamber 711 by way of external mold sleeve pipe 71, sizing nib 11 and shaper 41, is entering subsequent processing as the crowded oversheath operation of covering successively.In the process that cable core 8 and outer conductor 9 are advanced, advance along outer conductor bound edge guide groove 712 and outer conductor edge guides groove 12 successively in the edge of one side of the length direction of outer conductor 9, be coated on outer conductor 9 with overlap mode until arrive the position of aforesaid folding exhibition guide groove 121, therefore in the vertical process being wrapped in outside cable core 8 of outer conductor 9, there will not be the shirt rim phenomenon of gauffer shape.
Claims (2)
1.
a kind of vertical bag of cable plug die that leaks, comprise plug die body (1), the central authorities of the length direction of this plug die body (1) form the sizing nib (11) having from one end to the other side, it is characterized in that: interior one end to the other end of described plug die body (1) without leave of described sizing nib (11) is identical, and on plug die body (1), also offer an outer conductor edge guides groove (12) communicating with described sizing nib (11), this outer conductor edge guides groove (12) extends to the described other end from described one end of the length direction of sizing mould body (1), and the width of this outer conductor edge guides groove (12) diminishes towards the described other end gradually from described one end, until be formed for the folding exhibition guide groove (121) of the wall body folding exhibition that forces outer conductor edge pasting plug die body (1).
2.
the vertical bag of leakage cable according to claim 1 plug die, is characterized in that forming and having a sizing mould body holder (13) in described one end of described plug die body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310011900.1A CN103078166B (en) | 2013-01-14 | 2013-01-14 | Longitudinally wrapped sizing die for leaky coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310011900.1A CN103078166B (en) | 2013-01-14 | 2013-01-14 | Longitudinally wrapped sizing die for leaky coaxial cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103078166A CN103078166A (en) | 2013-05-01 |
| CN103078166B true CN103078166B (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310011900.1A Active CN103078166B (en) | 2013-01-14 | 2013-01-14 | Longitudinally wrapped sizing die for leaky coaxial cable |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106683797A (en) * | 2015-08-10 | 2017-05-17 | 胡妍 | Wrapping molding method of leakage cable |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3985948A (en) * | 1973-11-28 | 1976-10-12 | General Cable Corporation | Watertight disc coaxial cables |
| CN201594419U (en) * | 2010-01-13 | 2010-09-29 | 成都中菱无线通信电缆有限公司 | Outer conductor static forming device for radio frequency coaxial cables for mobile communication |
| CN202058510U (en) * | 2011-04-29 | 2011-11-30 | 江苏通鼎光电科技有限公司 | Novel cable-used metal tape longitudinal wrap die |
| CN102709666A (en) * | 2012-05-29 | 2012-10-03 | 成都中菱无线通信电缆有限公司 | Leaky cable longitudinally-wrapped cavity forming platform |
| CN102856019A (en) * | 2012-09-10 | 2013-01-02 | 浙江万马集团特种电子电缆有限公司 | External layer aluminum foil longitudinal covering die for three-shielding coaxial cable |
| CN203039078U (en) * | 2013-01-14 | 2013-07-03 | 中利科技集团股份有限公司 | Longitudinal wrapping sizing die for leakage cable |
-
2013
- 2013-01-14 CN CN201310011900.1A patent/CN103078166B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3985948A (en) * | 1973-11-28 | 1976-10-12 | General Cable Corporation | Watertight disc coaxial cables |
| CN201594419U (en) * | 2010-01-13 | 2010-09-29 | 成都中菱无线通信电缆有限公司 | Outer conductor static forming device for radio frequency coaxial cables for mobile communication |
| CN202058510U (en) * | 2011-04-29 | 2011-11-30 | 江苏通鼎光电科技有限公司 | Novel cable-used metal tape longitudinal wrap die |
| CN102709666A (en) * | 2012-05-29 | 2012-10-03 | 成都中菱无线通信电缆有限公司 | Leaky cable longitudinally-wrapped cavity forming platform |
| CN102856019A (en) * | 2012-09-10 | 2013-01-02 | 浙江万马集团特种电子电缆有限公司 | External layer aluminum foil longitudinal covering die for three-shielding coaxial cable |
| CN203039078U (en) * | 2013-01-14 | 2013-07-03 | 中利科技集团股份有限公司 | Longitudinal wrapping sizing die for leakage cable |
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| CN103078166A (en) | 2013-05-01 |
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Address after: 215542 Jiangsu city in Suzhou Province, Southeast of Changshu Economic Development Zone No. 8 Chang kunlu Patentee after: Jiangsu Zhongli group Limited by Share Ltd Address before: 215542 Jiangsu city in Suzhou Province, Southeast of Changshu Economic Development Zone No. 8 Chang kunlu Patentee before: Zhongli Science & Technology Group Co., Ltd. |
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Effective date of registration: 20220316 Address after: 430074 No. 9, Guanggu Avenue, Wuhan East Lake New Technology Development Zone, Wuhan City, Hubei Province Patentee after: YANGTZE OPTICAL FIBRE AND CABLE JOINT STOCK Ltd. Address before: 215542 No. 8, Changkun Road, Changshu Southeast Economic Development Zone, Suzhou, Jiangsu Patentee before: JIANGSU ZHONGLI GROUP Co.,Ltd. |