CN202534438U - Molding die for parallel clustering-type fiber composite aerial insulated cable - Google Patents
Molding die for parallel clustering-type fiber composite aerial insulated cable Download PDFInfo
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- CN202534438U CN202534438U CN2012201341226U CN201220134122U CN202534438U CN 202534438 U CN202534438 U CN 202534438U CN 2012201341226 U CN2012201341226 U CN 2012201341226U CN 201220134122 U CN201220134122 U CN 201220134122U CN 202534438 U CN202534438 U CN 202534438U
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Abstract
The utility model discloses a molding die for a parallel clustering-type fiber composite aerial insulated cable and the molding die comprises a die body consisting of a front module and a rear module. At least two molding holes are arranged in the die body, wherein one molding hole is an optical-fiber molding hole and others are core-thread molding holes. A feeding hole made of an insulating material penetrates the die body and is mounted in a junction of the front module and the rear module. The feeding hole made of the insulating material divides molding holes into two sections. The section in the front module is the front-section molding hole. The section in the rear module is the rear-section molding hole. Connecting reinforcement molding holes are disposed between adjacent rear-section molding holes. An optical-fiber protection sleeve is matched with an inner wall of the front-section optical-fiber molding hole and penetrates the front module and is in the front-section optical-fiber molding hole. One end of the optical-fiber protection sleeve close to the rear module is radially reduced to form a through stopper end. The external diameter of the through stopper end is less than the internal diameter of the rear-section optical-fiber molding hole. After the insulating material stops the molding holes, according to the molding die for the parallel clustering-type fiber composite aerial insulated cable provided by the utility model, an optical unit can smoothly traverse the optical-fiber molding hole without disconnecting. Operation is simple.
Description
Technical field
The utility model relates to a kind of insulated cable extrusion molding mould, relates in particular to a kind of mould of parallel beaming type Optical Fiber Composite aerial insulated cable.
Background technology
CN201758044Y discloses a kind of parallel beaming type Optical Fiber Composite low pressure aerial insulated cable; Comprise at least two heart yearns that laterally arrange and the dowel that connects adjacent two heart yearns, also comprise one parallel with heart yearn and through dowel and optical fiber that heart yearn is connected wherein.
Heart yearn is made up of the insulating barrier of plain conductor and coated metal lead; Plain conductor is formed by conductive copper wire core or the coiling of aluminium conductor wire core commonly used; The copper conductor core should adopt the TY type circular copper wire of compound GB/T 3953; Also can adopt TR type annealed copper wire, the aluminium conductor wire core should adopt the round firmly aluminum steel of LY9 type H9 state among the compound GB/T 3955.
Insulating barrier is generally selected polychloroethylene insulation material, the cross-linking polyethylene materials of weather resistant for use.Optical fiber is made up of the light unit and the insulating protective layer of parcel light unit, and insulating protective layer and dowel are selected for use and the insulating barrier identical materials, one-shot forming when being convenient to produce.
Shown in Fig. 1～2; The mould of existing insulated cable comprises by front module 10 and back module 20 is close to the die ontology that constitutes; Have in the die ontology and run through front module 10 and back module 20 and optical fiber moulding that be arranged in parallel hole 40 and heart yearn moulding hole 50; Intersection at preceding fixture block 10 and back fixture block 20 has the die ontology of running through insulating material charging hole 30; Insulating material charging hole 30 is separated into two sections with optical fiber moulding hole 40 and heart yearn moulding hole 50, perhaps between heart yearn moulding hole 50 and the optical fiber moulding hole 4 dowel moulding hole 60 is arranged between the adjacent heart yearn moulding hole 50 on the back module.
This mould exists following not enough: because light unit itself is relatively more fragile, and the insulating material sizing is being prone to stop up the optical fiber moulding hole on the module 20 of back behind the cooling curing, cause the light unit to pass.
The utility model content
The utility model provides a kind of mould of parallel beaming type Optical Fiber Composite aerial insulated cable, to solve traditional moulds owing to the insulating material sizing is being prone to stop up the optical fiber moulding hole on the module of back, the problem that causes the light unit to pass after the cooled and solidified.
A kind of mould of parallel beaming type Optical Fiber Composite aerial insulated cable; Comprise by front module and back module and be close to the die ontology that constitutes; Have in the die ontology at least two that laterally arrange and run through front module with the back module the moulding hole; One of them moulding hole is optical fiber moulding hole, and remaining moulding hole is heart yearn moulding hole; At front module and back module intersection the insulating material charging hole that runs through die ontology is arranged; The insulating material charging hole is separated into two sections with all moulding holes; Part on front module is leading portion moulding hole; Part on the module of back is back segment moulding hole, between the adjacent back segment moulding hole dowel moulding hole is arranged, and the moulding of leading portion optical fiber has the fiber boot that cooperates and run through front module with its inner thread in the hole; Fiber boot radially dwindles near back module one end and forms logical chock plug, and the external diameter of logical chock plug is less than the internal diameter in back segment optical fiber moulding hole.
Two charging apertures of said insulating material charging hole are uncovered setting, and the insulating material of being convenient to soften gets into mould inside, coat better to form insulating barrier.
The axis in all moulding holes is in same plane, and just arrange in same plane in the moulding hole, and it is more even to make that insulating material coats.
The vertical described plane of described insulating material charging hole, the charging distance is the shortest about can making, and insulating material also is difficult for clamp-oning in the leading portion moulding hole.
Described moulding hole number is 5, can make by four heart yearns and the cable that optical fiber is formed, and belongs to more common model.
One of them the moulding hole that is positioned at both sides is optical fiber moulding hole, and the cable optic fibre of processing helps to separate also at side.
At least one dowel moulding hole is an arc, helps the coiling of cable, dwindles horizontal volume.
The width of described insulating material charging hole is 1～2cm, and the too big charging of width is too many, be prone to stop up the moulding hole, then can not accomplish coating too for a short time, and this width range is more suitable.
Stop up at the insulating material sizing under the situation in back segment moulding hole; The utility model can rotate fiber boot; Let logical chock plug stretch in the back segment optical fiber moulding hole, squeeze and drive the insulating material sizing, thereby let the light unit pass back segment optical fiber moulding hole smoothly through fiber boot; After accomplishing threading, the counter-rotating fiber boot lets logical chock plug withdraw from back segment optical fiber moulding hole, and then extrusion modling makes cable.
After insulating material stopped up the moulding hole, the utility model can pass optical fiber moulding hole with the light unit smoothly under the situation of not taking apart, not only easy to operate, and forming die structure is simple, was easy to promote.
Description of drawings
Fig. 1 is the structural representation of existing mould;
Fig. 2 is the profile of mould shown in Figure 1;
Fig. 3 is the structural representation of the utility model mould;
Fig. 4 is the profile of mould shown in Figure 3;
Fig. 5 is the structural representation of back module in the mould shown in Figure 1;
Fig. 6 is the structural representation of front module in the mould shown in Figure 1.
Embodiment
Shown in Fig. 3～4, a kind of mould of parallel beaming type Optical Fiber Composite aerial insulated cable comprises the die ontology of being made up of front module 1 and back module 2; Front module 1 all roughly is cuboid with back module 2; Wherein back module 2 one sides are close to front module 1, and there is the groove of both-side opening this side side, and insulating material charging hole 3 is formed in the side of groove and front module 1; As shown in Figure 5; All the other both sides sidewalls of groove are convex, make that two charging apertures of insulating material charging hole 3 are uncovered setting, and the width of insulative material charging hole 3 (being depth of groove) is at 10～20mm.
There are 5 to be in moulding hole conplane and that be parallel to each other in the mold body 1; The moulding hole of wherein keeping to the side most is optical fiber moulding hole; All the other 4 moulding holes are heart yearn moulding hole; Insulating material charging hole 3 vertical these planes; And 5 moulding holes are cut off, be specially: optical fiber moulding hole is separated into the leading portion optical fiber moulding hole 101 and back segment optical fiber moulding hole 201 that is distributed in respectively on front module 1 and the back module 2, and heart yearn moulding hole is separated into the leading portion heart yearn moulding hole 102 and back segment heart yearn moulding hole 202 that is distributed in respectively on front module 1 and the back module 2.
Dowel moulding hole 203 or dowel moulding hole 204 are arranged between the adjacent moulding hole, and wherein dowel moulding hole 204 is an arc, and main purpose is for the ease of the rolling of whole cable, thereby dwindles horizontal space.
In leading portion optical fiber moulding hole 101, the fiber boot 4 that cooperates with its inner thread is arranged; Fiber boot 4 runs through front module 1; End near back module 2 radially dwindles the logical chock plug 401 of formation; Should lead to the internal diameter of the external diameter of chock plug 401 less than back segment optical fiber moulding hole 102, the length of logical chock plug 401 is between 5～10mm in addition.
The operation principle of the utility model is following:
Mould has the part sizing to remain in the moulding hole the insulating material (like PVC) after using a period of time, uses at metal wire or light unit; Under the situation that need continue, in the time of perhaps need beginning extrusion molding manufacturing cable, because aperture, light moulding hole is less; And a little less than the light unit is highly brittle; The insulating material temperature is also higher, causes the light unit can't pass optical fiber moulding hole, and particularly back segment optical fiber moulding hole 102.
The utility model is before penetrating the light unit; Rotate fiber boot earlier, let logical chock plug 401 clamp-on in the back segment optical fiber moulding hole 102, open insulating material thereby squeeze; Because fiber boot 4 is heat insulation, this time unit can pass back segment optical fiber moulding hole 102 smoothly through fiber boot 4; After accomplishing threading, at counter-rotating fiber boot 4, logical chock plug 401 is withdrawed from, just can carry out extrusion molding processing this moment, operation is very easy, and very little to the mold integral structure of modification, and cost is low.
Claims (8)
1. the mould of a parallel beaming type Optical Fiber Composite aerial insulated cable; Comprise by front module and back module and be close to the die ontology that constitutes; Have in the die ontology at least two that laterally arrange and run through front module with the back module the moulding hole; One of them moulding hole is optical fiber moulding hole, and remaining moulding hole is heart yearn moulding hole; At front module and back module intersection the insulating material charging hole that runs through die ontology is arranged; The insulating material charging hole is separated into two sections with all moulding holes; Part on front module is leading portion moulding hole, and the part on the module of back is back segment moulding hole, between the adjacent back segment moulding hole dowel moulding hole is arranged; It is characterized in that; The moulding of leading portion optical fiber has the fiber boot that cooperates and run through front module with its inner thread in the hole, and fiber boot radially dwindles near back module one end and forms logical chock plug, and the external diameter of logical chock plug is less than the internal diameter in back segment optical fiber moulding hole.
2. mould as claimed in claim 1 is characterized in that, two charging apertures of said insulating material charging hole are uncovered setting.
3. mould as claimed in claim 1 is characterized in that the axis in all moulding holes is in same plane.
4. mould as claimed in claim 3 is characterized in that, the vertical described plane of described insulating material charging hole.
5. mould as claimed in claim 3 is characterized in that, described moulding hole number is 5.
6. mould as claimed in claim 5 is characterized in that, one of them the moulding hole that is positioned at both sides is optical fiber moulding hole.
7. mould as claimed in claim 6 is characterized in that, at least one dowel moulding hole is an arc.
8. mould as claimed in claim 1 is characterized in that, the width of described insulating material charging hole is 1～2cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201341226U CN202534438U (en) | 2012-04-01 | 2012-04-01 | Molding die for parallel clustering-type fiber composite aerial insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201341226U CN202534438U (en) | 2012-04-01 | 2012-04-01 | Molding die for parallel clustering-type fiber composite aerial insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202534438U true CN202534438U (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201341226U Expired - Fee Related CN202534438U (en) | 2012-04-01 | 2012-04-01 | Molding die for parallel clustering-type fiber composite aerial insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202534438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931153A (en) * | 2019-12-06 | 2020-03-27 | 绍兴电力设备有限公司 | Fire-resistant optical fiber composite bunched cable and preparation method thereof |
-
2012
- 2012-04-01 CN CN2012201341226U patent/CN202534438U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931153A (en) * | 2019-12-06 | 2020-03-27 | 绍兴电力设备有限公司 | Fire-resistant optical fiber composite bunched cable and preparation method thereof |
| CN110931153B (en) * | 2019-12-06 | 2021-05-18 | 绍兴电力设备有限公司 | Fire-resistant optical fiber composite bunched cable and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20180401 |