CN101635193B - Self-supporting wire cable jacket extrusion mold - Google Patents

Self-supporting wire cable jacket extrusion mold Download PDF

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Publication number
CN101635193B
CN101635193B CN2009101413782A CN200910141378A CN101635193B CN 101635193 B CN101635193 B CN 101635193B CN 2009101413782 A CN2009101413782 A CN 2009101413782A CN 200910141378 A CN200910141378 A CN 200910141378A CN 101635193 B CN101635193 B CN 101635193B
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China
Prior art keywords
core rod
mold
core
hole
messenger wire
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Expired - Fee Related
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CN2009101413782A
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Chinese (zh)
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CN101635193A (en
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沈群华
魏梦姣
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Jiangsu Kangfeite Power Technology Co., Ltd.
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魏梦姣
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Publication of CN101635193B publication Critical patent/CN101635193B/en
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Abstract

The invention relates to a self-supporting optical cable and cable jacket extrusion mold which comprises a mold core unit and a mold cover unit, wherein a line-hanging mold core post, a cable core mold core post, a mold core body, a fixing clamp part and a fixing part are arranged on the mold core unit, and a mold core cavity is arranged in the mold core unit; both the line-hanging mold core post and the cable core mode core post are internally provided with holes communicated with the mold core cavity, and the mold core unit is of a integral structure; the mold cover unit comprises a material discharge end and a mold cover body which is internally provided with a mold sleeve cavity; the material discharge end is provided with a line-hanging protection layer discharge hole, an outer protection layer discharge hole and a strip-hanging hole; and the strip-hanging hole is connected with the line-hanging protection layer discharge hole and the outer protection layer discharge hole and communicated with the mold sleeve cavity. In the invention, because the mold core body and the mold sleeve cavity have reasonable design, the mold core unit is perfectly matched with the mold cover unit, a self-supporting cable produced with the mold has more smooth appearance and evener thick distribution of the jacket; the mold is more wearable, and the product qualification ratio is higher.

Description

Self-supporting wire cable jacket extrusion mold
Technical field
The present invention relates to cable sheath extruded mould, especially self-bearing type light, cable cover(ing) extruded mould.
Background technology
Self-bearing type light, cable are generally used for built on stilts laying, and they generally are made up of two parts: top is divided into messenger wire, are to be made up of steel wire rope or many stranded non-metal reinforcement members, its outside squeezing the messenger wire sheath are arranged; The lower part is made up of light, cable conductor, and cable core is extruded with outer jacket outward; What connect top and lower part is suspender belt; Messenger wire sheath, suspender belt, outer jacket form for the integral type extrusion molding; Because the material of messenger wire and cable core is different, therefore, when mold design is bad, during the sheath extrusion molding and behind the extrusion molding, tends to make cable to present bad outward appearance, be difficult to satisfy the requirement of use, heavy then can make product rejection, manufacturing enterprise is caused unnecessary loss.
Summary of the invention
The purpose of this invention is to provide a kind of good self-supporting wire cable jacket extrusion mold, it adopts following technical scheme to realize:
Self-supporting wire cable jacket extrusion mold, it is made up of core rod unit 1 and die cap unit 2; Core rod unit 1 front end has messenger wire core rod post 11, cable core core rod post 12; There are core rod body 17, fixed clamp part 13 in the centre; The rear end has standing part 14, standing part 14 to be provided with on the end of screw thread, standing part 14 chamfering 15 is arranged, and there is mold core cavities 16 1 inside, core rod unit; Said messenger wire core rod post 11 inside are provided with messenger wire hole 111, and cable core core rod post 12 inside are provided with core rod hole 121, and said messenger wire hole 111 is that core rod that be communicated with, said hole 121 is communicated with mold core cavities 16 with mold core cavities 16, and described core rod unit is an integral structure; Die cap unit 2 is made up of discharge end that is positioned at front end 25 and the die cap body 24 that is positioned at the rear end; Die cap body 24 inside are provided with die sleeve chamber 26; Discharge end 25 is provided with messenger wire sheath discharge opening 21, outer jacket discharge opening 22 and suspender belt hole 23; Said suspender belt hole 23 links to each other with messenger wire sheath discharge opening 21, and said suspender belt hole 23 links to each other with outer jacket discharge opening 22, the hole that said messenger wire sheath discharge opening 21, suspender belt hole 23 and outer jacket discharge opening 22 are integrated and communicate with die sleeve chamber 26.
The profile in above-mentioned said core rod body 17, die sleeve chamber 26 is for all being cylinder table shape, and narrow part is near the front end of corresponding core rod or die cap separately; The drift angle scope of the cone that said cylinder table extends to form is 10 °～50 °, preferred 15 ± 5 °; The drift angle of the cone that said die sleeve chamber 26 forms is not less than the drift angle of the cone of said core rod body 17 formation.
Above-mentioned said messenger wire hole 111, core rod hole 121 all are cylindrical hole, and the aperture in messenger wire hole 111 is littler than the aperture in core rod hole 121.
Above-mentioned said messenger wire core rod post 11, cable core core rod post 12 are equal length, and its length is greater than the length of discharge end 25.
The present invention is because core rod body and die sleeve chamber are reasonable in design, so core rod unit and die cap unit matching are appropriate, so more smooth with the self-supporting cable outward appearance of this die production, jacket thickness is more evenly distributed, and mould is more durable, and product percent of pass is higher.
Description of drawings
Fig. 1 is the schematic perspective view of core rod of the present invention unit;
Fig. 2 is the schematic perspective view of die cap of the present invention unit;
Fig. 3 is the schematic perspective view of core rod of the present invention unit and die cap unit equipment;
Fig. 4 be Fig. 3 along A-A to generalized section.
Embodiment
Below in conjunction with accompanying drawing the present invention is done detailed explanation.
See also Fig. 1 to Fig. 4, self-supporting wire cable jacket extrusion mold, it is made up of core rod unit 1 and die cap unit 2; Core rod unit 1 front end has messenger wire core rod post 11, cable core core rod post 12; There are core rod body 17, fixed clamp part 13 in the centre; The rear end has standing part 14, standing part 14 to be provided with on the end of screw thread, standing part 14 chamfering 15 is arranged, and there is mold core cavities 16 1 inside, core rod unit; Said messenger wire core rod post 11 inside are provided with messenger wire hole 111, and cable core core rod post 12 inside are provided with core rod hole 121, and said messenger wire hole 111 is that core rod that be communicated with, said hole 121 is communicated with mold core cavities 16 with mold core cavities 16, and described core rod unit is an integral structure; Die cap unit 2 is made up of discharge end that is positioned at front end 25 and the die cap body 24 that is positioned at the rear end; Die cap body 24 inside are provided with die sleeve chamber 26; Discharge end 25 is provided with messenger wire sheath discharge opening 21, outer jacket discharge opening 22 and suspender belt hole 23; Said suspender belt hole 23 links to each other with messenger wire sheath discharge opening 21, and said suspender belt hole 23 links to each other with outer jacket discharge opening 22, the hole that said messenger wire sheath discharge opening 21, suspender belt hole 23 and outer jacket discharge opening 22 are integrated and communicate with die sleeve chamber 26.
The profile in above-mentioned said core rod body 17, die sleeve chamber 26 is for all being cylinder table shape, and narrow part is near the front end of corresponding core rod or die cap separately; The drift angle of the cone that said core rod body 17 cylinder tables extend to form is 12 °; The drift angle of the cone that said die sleeve chamber 26 cylinder tables extend to form is 13 °.
Above-mentioned said messenger wire hole 111, core rod hole 121 all are cylindrical hole, and the aperture in messenger wire hole 111 is littler than the aperture in core rod hole 121.
Above-mentioned said messenger wire core rod post 11, cable core core rod post 12 are equal length, and its length is greater than the length of discharge end 25.
The profile in above-mentioned said core rod body 17, die sleeve chamber 26 is for all being cylinder table shape, and narrow part is near the front end of corresponding core rod or die cap separately; The drift angle scope of the cone that said cylinder table extends to form is 10 °～50 °, preferred 15 ± 5 °; The drift angle of the cone that said die sleeve chamber 26 forms is not less than the drift angle of the cone of said core rod body 17 formation.
In the time will producing self-supporting cable, core rod unit 1 is installed on the sheath plastic extruding machine, can pass through tool holding fixed clamp part 13; Because standing part 14 is provided with screw thread, therefore, can core rod unit 1 successfully be installed; Then; Die cap unit 2 is installed in outside the core rod unit 1,, and mediates as long as note messenger wire core rod post 11 is inserted messenger wire sheath discharge opening 21; Cable core core rod post 12 is inserted outer jacket discharge opening 22, and mediate; And note the front end face of messenger wire core rod post 11, the front end face and discharge end 25 front end faces of cable core core rod post 12 roughly are in a plane, can fix the die cap unit, begin the extrusion molding of starting shooting.
Clear specifically exemplary embodiment of the present of this paper and present preferred embodiment should be appreciated that the present invention conceives can implement utilization by other various forms that they drop in protection scope of the present invention equally.

Claims (1)

1. self-supporting wire cable jacket extrusion mold, it is made up of core rod unit (1) and die cap unit (2); Core rod unit (1) front end has messenger wire core rod post (11), cable core core rod post (12); There are core rod body (17), fixed clamp part (13) in the centre; The rear end has standing part (14), standing part (14) to be provided with on the end of screw thread, standing part (14) chamfering (15) is arranged, and there is mold core cavities (16) inside, core rod unit (1); Said messenger wire core rod post (11) inside is provided with messenger wire hole (111); Cable core core rod post (12) inside is provided with core rod hole (121); Said messenger wire hole (111) is that core rod that be communicated with, said hole (121) is communicated with mold core cavities (16) with mold core cavities (16), and described core rod unit is an integral structure; Die cap unit (2) is made up of discharge end that is positioned at front end (25) and the die cap body (24) that is positioned at the rear end; Die cap body (24) inside is provided with die sleeve chamber (26); Discharge end (25) is provided with messenger wire sheath discharge opening (21), outer jacket discharge opening (22) and suspender belt hole (23); Said suspender belt hole (23) links to each other with messenger wire sheath discharge opening (21); Said suspender belt hole (23) links to each other with outer jacket discharge opening (22), the hole that said messenger wire sheath discharge opening (21), suspender belt hole (23) and outer jacket discharge opening (22) are integrated and communicate with die sleeve chamber (26); It is characterized in that: said messenger wire core rod post (11) and cable core core rod post (12) all protrude in core rod body (17); Under installment state, the front end face of the front end face of messenger wire core rod post (11), cable core core rod post (12) and discharge end (25) front end face are in a plane; The profile of described core rod body (17), die sleeve chamber (26) all is a cylinder table shape, and narrow part is near the front end of corresponding core rod or die cap separately; The drift angle of the cone that said core rod body (17) cylinder table extends to form is 12 °; The drift angle of the cone that said die sleeve chamber (26) cylinder table extends to form is 13 °; Described messenger wire core rod post (11), cable core core rod post (12) are equal length, and its length is greater than the length of discharge end (25).
CN2009101413782A 2009-05-21 2009-05-21 Self-supporting wire cable jacket extrusion mold Expired - Fee Related CN101635193B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009101413782A CN101635193B (en) 2009-05-21 2009-05-21 Self-supporting wire cable jacket extrusion mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009101413782A CN101635193B (en) 2009-05-21 2009-05-21 Self-supporting wire cable jacket extrusion mold

Publications (2)

Publication Number Publication Date
CN101635193A CN101635193A (en) 2010-01-27
CN101635193B true CN101635193B (en) 2012-08-08

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102280216B (en) * 2011-08-08 2012-12-12 李光 Cable mold
CN103121280A (en) * 2013-03-16 2013-05-29 蒋菊生 Die for producing cable with simple structure
CN103991208A (en) * 2014-06-03 2014-08-20 吴江通信电缆厂 Extrusion molding mold for optical cable sheath carrying parallel steel wires
CN104260309B (en) * 2014-08-27 2016-08-24 烽火通信科技股份有限公司 A kind of polychrome many marks optical cable process units and manufacture method
CN106772860B (en) * 2016-12-30 2023-11-24 通鼎互联信息股份有限公司 Extrusion die sleeve for three-color strips of 8-shaped optical cable
CN107139419A (en) * 2017-04-26 2017-09-08 烽火通信科技股份有限公司 A kind of 8-shaped cable is extruded mould
CN110888214B (en) * 2019-12-10 2023-09-08 山东飞扬特种线缆有限公司 Die for manufacturing optical cable or cable with novel structure and manufacturing method

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