CN206690506U - A kind of anti-rodent optical cable protective cover extrusion molding dies - Google Patents
A kind of anti-rodent optical cable protective cover extrusion molding dies Download PDFInfo
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- CN206690506U CN206690506U CN201720411078.1U CN201720411078U CN206690506U CN 206690506 U CN206690506 U CN 206690506U CN 201720411078 U CN201720411078 U CN 201720411078U CN 206690506 U CN206690506 U CN 206690506U
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- core rod
- optical cable
- tapered slope
- die sleeve
- protective cover
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Abstract
The utility model discloses a kind of anti-rodent optical cable protective cover extrusion molding dies, it includes core rod and die sleeve, core rod head is from left to right offered on the outer surface of core rod successively, tapered slope and hold line face, die sleeve hole and taper grooving are from left to right offered in described die sleeve, convex annular barring is further opened with the outer surface of described core rod, convex annular barring, which is located at, holds on line face, the lower end of tapered slope seamlessly transits with core rod head, integrated installation has temperature-sensing element in tapered slope, temperature-sensing element makes the surface heat of tapered slope, multiple inlets are installed in the side wall of described taper grooving, liquid storage space is formed between taper grooving and tapered slope, inlet connects with liquid storage space, inlet and thermoplastic feed tube are external, the groove end of described taper grooving is further opened with neck, convex annular barring, which coordinates, to be arranged in neck.The beneficial effects of the utility model are：Simple in construction, heating and temperature control is conveniently, liquid stream is stable, production effect is good.
Description
Technical field
It the utility model is related to a kind of anti-rodent optical cable protective cover extrusion molding dies.
Background technology
Optical cable is manufactured to meet the performance specification of optics, machinery or environment, and it is to utilize to be placed in cladding sheath
In one or more optical fiber as transmission medium and the communications cable component that can use individually or in groups.Optical cable mainly by
Optical fiber（The glass fiber of thin such as hair）Formed with plastic protective sleeve pipe and plastic peel, gold, silver, copper aluminium etc. are provided with optical cable
Metal, typically there is certain recovery value.Optical cable is that a number of optical fiber forms the cable heart according to certain way, is surrounded by sheath outside,
Some also cladding outer jackets, to realize a kind of communication line of optical signal transmission.
The structure of in general cable line generally includes nylon jacket, inner sheath, Loose tube, center reinforcemen, steel band and optical fiber
Deng, nylon jacket therein and inner sheath are referred to as cable jacket, typically when producing inner sheath, the structure of internal jacket mould with
And performance parameters all have higher requirement, if unreasonable or parameter setting is unreasonable easily causes production defect in mold design
And flaw, influence cable line overall performance；Similarly, the production of nylon jacket is also required to the mould of specialized structure and parameter, although
It is substantially similar to produce the mould structure of nylon jacket and inner sheath, but dimensional parameters therebetween are different, are generally used
Include core rod and Membrane cover in the extruded mould of production cable jacket, if making the draw ratio of nylon extrusion small, core rod and die sleeve
Gap is small, and gel quantity and line speed are with regard to small, low production efficiency, if draw ratio crosses the cone drawing that stream occurs for senior general
The defects of broken, tear and rough surface.The core rod internal diameter selection of extruded mould can not be too small, too small to make interior shield core and core rod
Friction occurs for wall and scratch can not be too big, and too conference causes nylon stretching transition；The feed liquor of extruded mould, discharge opeing are also required to excellent
Change design, feed liquor deficiency easily causes cable jacket forming defect, and the cooling of thermoplastic liquid is too fast, easily causes difficult forming or shaping
Defect, therefore be vital on the structure design of nylon jacket extruded mould.
Utility model content
A kind of the shortcomings that the purpose of this utility model is to overcome prior art, there is provided simple in construction, heating and temperature control
Anti- rodent optical cable protective cover extrusion molding dies convenient, liquid stream is stable, production effect is good.
The purpose of this utility model is achieved through the following technical solutions：A kind of anti-rodent cable jacket extrusion molding mould
Tool, it includes core rod and die sleeve, from left to right offers core rod head, tapered slope successively on the outer surface of core rod and hold line face,
The inside of core rod head offers core rod hole, and the inside of tapered slope offers conical through-hole, from left to right opened in described die sleeve
Provided with die sleeve hole and taper grooving, convex annular barring is further opened with the outer surface of described core rod, convex annular barring, which is located at, holds
On line face, lower end and the core rod head of tapered slope seamlessly transit, and integrated installation has temperature-sensing element, temperature-sensing element prison in tapered slope
The heating-up temperature of tapered slope is surveyed, multiple inlets are installed in the side wall of described taper grooving, taper grooving and taper are oblique
Liquid storage space is formed between face, inlet connects with liquid storage space, and inlet and thermoplastic feed tube are external, described taper grooving
Groove end be further opened with neck, convex annular barring, which coordinates, to be arranged in neck.
Further, described optical cable includes nylon jacket, inner sheath and interior optical cable, nylon jacket, inner sheath and interior optical cable it
Between close cladding successively.
Further, the aperture in described die sleeve hole is more than the external diameter of core rod head, between existing between die sleeve hole and core rod head
Gap.
Further, coordinate between described convex annular barring and neck for sealing.
The utility model has advantages below：
1st, a kind of anti-rodent optical cable protective cover extrusion molding dies described in the utility model improve overall structure, have structure
Simply, the characteristics of heating and temperature control facilitates, first, the overall construction design of this sheath extruded mould are very simple, and manufacture is held
Easily, manufacturing cost is low, the design optimization of core rod and die sleeve, temperature-sensing element is added on core rod, for detecting the heating of tapered slope
Temperature, it is easy to the heating power of adjustment head in time, avoided heating or underheat, and realized the accurate control to heating-up temperature
System.
2nd, a kind of anti-rodent optical cable protective cover extrusion molding dies described in the utility model also have liquid stream stabilization, production effect
The characteristics of fruit is good, the external thermoplastic feed tube of inlet of the present utility model, thermoplastic liquid are directly entered liquid storage space, realize liquid stream
Flow stability, meanwhile, can produce cable jacket, such as nylon jacket, inner sheath using this extruded mould, produce
Cable jacket quality is good, and qualification rate is high, and flaw and defect significantly reduce.
Brief description of the drawings
Fig. 1 faces cross section structure diagram to be of the present utility model；
Fig. 2 is the cross section structural representation of anti-rodent optical cable described in the utility model；
In figure：1- core rods, 2- die sleeves, 3- core rod heads, 4- convex annular barrings, 5- tapered slopes, 6- temperature-sensing elements, 7- die sleeves
Hole, 8- inlets, 9- liquid storages space, 10- necks, 11- nylon jackets, 12- inner sheaths, optical cable in 13-, 14- taper groovings.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings, but the scope of protection of the utility model is not limited to
It is as described below.
As depicted in figs. 1 and 2, a kind of anti-rodent optical cable protective cover extrusion molding dies, it includes core rod 1 and die sleeve 2, core rod
Core rod first 3, tapered slope 5 are from left to right offered on 1 outer surface successively and holds line face, the inside of core rod first 3 offers mould
Core bore, the inside of tapered slope 5 offer conical through-hole, die sleeve hole 7 and taper sheath are from left to right offered in described die sleeve 2
Groove 14, convex annular barring 4 is further opened with the outer surface of described core rod 1, positioned at holding on line face, taper is oblique for convex annular barring 4
The lower end in face 5 seamlessly transits with core rod first 3, and integrated installation has temperature-sensing element 6 in tapered slope 5, and it is oblique that temperature-sensing element 6 monitors taper
The heating-up temperature in face 5, multiple inlets 8, taper grooving 14 and tapered slope 5 are installed in the side wall of described taper grooving 14
Between form liquid storage space 9, inlet 8 connects with liquid storage space 9, inlet 8 and external, the described taper sheath of thermoplastic feed tube
The groove end of groove 14 is further opened with neck 10, and convex annular barring 4, which coordinates, to be arranged in neck 10.
Further, nylon jacket 11, inner sheath are included as preferred embodiment of the present utility model, described optical cable
12 and interior optical cable 13, close cladding successively between nylon jacket 11, inner sheath 12 and interior optical cable 13；The aperture in described die sleeve hole 7
First more than core rod 3 external diameter, gap be present between die sleeve hole 7 and core rod first 3；Between described convex annular barring 4 and neck 10
Coordinate for sealing.
Installation process of the present utility model and use process are as follows：By a kind of anti-rodent light described in the utility model
Each parts composition of cable sheath extruded mould is carried out according to the assembly relation shown in Fig. 1 ~ Fig. 2, position relationship, structural parameters
Processing, installation, can begin to use after the utility model installation.First, longitudinal center line and the die sleeve hole of core rod first 3 are made
7 longitudinal center line overlaps, and ensures enough liquid stream gaps be present between core rod first 3 and die sleeve hole 7, is then joined using this structure
Extruded mould under said conditions carries out the production and shaping of cable jacket, when processing the nylon jacket and inner sheath of optical cable,
The nylon jacket and the quality of inner sheath produced significantly improve, and qualification rate is high, and flaw and defect significantly reduce；Meanwhile this reality
Very simple with new overall construction design, easy to manufacture, manufacturing cost is low.
Described above is only preferred embodiment of the present utility model, it should be understood that the utility model is not limited to herein
Disclosed form, the exclusion to other embodiment is not to be taken as, and can be used for various other combinations, modification and environment, and
It can be modified in contemplated scope described herein by the technology or knowledge of above-mentioned teaching or association area.And this area
The change and change that personnel are carried out do not depart from spirit and scope of the present utility model, then all should be in right appended by the utility model
It is required that protection domain in.
Claims (4)
1. a kind of anti-rodent optical cable protective cover extrusion molding dies, it includes core rod（1）And die sleeve（2）, core rod（1）Outer surface on
Core rod head is from left to right offered successively（3）, tapered slope（5）With hold line face, core rod head（3）Inside offer core rod hole,
Tapered slope（5）Inside offer conical through-hole, described die sleeve（2）Inside from left to right offer die sleeve hole（7）And taper
Grooving（14）, it is characterised in that：Described core rod（1）Outer surface on be further opened with convex annular barring（4）, convex annular barring
（4）Positioned at holding on line face, tapered slope（5）Lower end and core rod head（3）Seamlessly transit, tapered slope（5）Interior integrated installation has
Temperature-sensing element（6）, temperature-sensing element（6）Monitor tapered slope（5）Heating-up temperature, described taper grooving（14）Side wall on pacify
Equipped with multiple inlets（8）, taper grooving（14）With tapered slope（5）Between form liquid storage space（9）, inlet（8）With storage
Liquid space（9）Connection, inlet（8）Taper grooving external with thermoplastic feed tube, described（14）Groove end be further opened with neck
（10）, convex annular barring（4）Cooperation is arranged on neck（10）It is interior.
A kind of 2. anti-rodent optical cable protective cover extrusion molding dies according to claim 1, it is characterised in that：Described optical cable
Including nylon jacket（11）, inner sheath（12）With interior optical cable（13）, nylon jacket（11）, inner sheath（12）With interior optical cable（13）Between according to
Secondary close cladding.
A kind of 3. anti-rodent optical cable protective cover extrusion molding dies according to claim 1, it is characterised in that：Described die sleeve
Hole（7）Aperture be more than core rod head（3）External diameter, die sleeve hole（7）With core rod head（3）Between gap be present.
A kind of 4. anti-rodent optical cable protective cover extrusion molding dies according to claim 1, it is characterised in that：Described annular
Raised rib（4）With neck（10）Between for sealing coordinate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720411078.1U CN206690506U (en) | 2017-04-19 | 2017-04-19 | A kind of anti-rodent optical cable protective cover extrusion molding dies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720411078.1U CN206690506U (en) | 2017-04-19 | 2017-04-19 | A kind of anti-rodent optical cable protective cover extrusion molding dies |
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| Publication Number | Publication Date |
|---|---|
| CN206690506U true CN206690506U (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720411078.1U Active CN206690506U (en) | 2017-04-19 | 2017-04-19 | A kind of anti-rodent optical cable protective cover extrusion molding dies |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108363152A (en) * | 2018-01-26 | 2018-08-03 | 西安西古光通信有限公司 | A kind of inserted rodent-resistant cable of nonmetallic yarn and preparation method thereof |
| CN109352947A (en) * | 2018-12-24 | 2019-02-19 | 浙江东通物联科技有限公司 | A kind of anti-bulge mold of plastic sleeve |
| CN112356422A (en) * | 2021-01-13 | 2021-02-12 | 江西太平洋电缆集团有限公司 | Extrusion system and method for cable insulation layer |
-
2017
- 2017-04-19 CN CN201720411078.1U patent/CN206690506U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108363152A (en) * | 2018-01-26 | 2018-08-03 | 西安西古光通信有限公司 | A kind of inserted rodent-resistant cable of nonmetallic yarn and preparation method thereof |
| CN109352947A (en) * | 2018-12-24 | 2019-02-19 | 浙江东通物联科技有限公司 | A kind of anti-bulge mold of plastic sleeve |
| CN112356422A (en) * | 2021-01-13 | 2021-02-12 | 江西太平洋电缆集团有限公司 | Extrusion system and method for cable insulation layer |
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