CN204020004U - Optical cable steel band longitudinal tubing mould - Google Patents
Optical cable steel band longitudinal tubing mould Download PDFInfo
- Publication number
- CN204020004U CN204020004U CN201420395344.2U CN201420395344U CN204020004U CN 204020004 U CN204020004 U CN 204020004U CN 201420395344 U CN201420395344 U CN 201420395344U CN 204020004 U CN204020004 U CN 204020004U
- Authority
- CN
- China
- Prior art keywords
- optical cable
- steel band
- counterdie
- patrix
- outer edge
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of optical cable steel band longitudinal tubing mould, it comprises patrix (1) and counterdie (2), patrix (1) and counterdie (2) are roller structure, it is the semicircle of depression in the middle part of the outer edge surface of roller structure, the lower outer edge surface of patrix (1) and the upper outer edge surface of counterdie (2) are fitted, formed in the middle of this joint place one for optical cable steel band indulge bag through circular channel, the outer edge surface that it is characterized in that patrix (1) or counterdie (2) is provided with salient point (3).Therefore this optical cable steel band longitudinal tubing mould has and switching performance between steel pipe and beam tube can be made good and the advantage that can not produce gas line at steel band scrap (bridge) place.
Description
Technical field
The utility model relates to a kind of optical cable steel band longitudinal tubing mould.
Background technology
In GYXTW type communications optical cable manufacturing process, the beam tube surface produced because of secondary coating operation cannot finish-drying, namely beam tube surface is with moisture, and the water imbibition of the material water-proof material such as water-proofing powder between beam tube and steel pipe, easily when next operation (sheath), steel band scrap (bridge) place produces the gas line run through, thus causes this type optical cable cannot pass through when infiltration test.
Due to cover, to mould speed of production fast, beam tube cannot thoroughly dry up from the moisture of tank out rear surface, add the material that PBT beam tube itself is the easy moisture absorption, understand at beam tube surface adhesion moisture, when sheath is produced, because under the large effect of poly thermal capacitance more than 200 degree after thawing, moisture expands, but point gap is very little between steel pipe and beam tube, the gas expanded can only be excessive, therefore produce at band scrap (bridge) place of vertical Baogang the gas line run through, thus cause optical cable to seep water.If increase the endoporus that steel band indulges bag, space is large, and gas can be enclosed in steel pipe, can not product air holes in lap-joint, but beam tube and steel pipe gap large, frictional force is little, and beam tube, steel pipe can not form an entirety, and beam tube is not fixed in steel pipe, even if there is water-proofing powder also cannot suppress the radial direction activity of beam tube between gap, optical cable beam tube in high and low temperature environment can extend and shrink in steel pipe, beam tube can be caused to bend, gall, the accidents such as optical fiber fractures, break at optical cable two ends.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of and switching performance between steel pipe and beam tube can be made good and can not produce the optical cable steel band longitudinal tubing mould of gas line at steel band scrap (bridge) place.
The purpose of this utility model is achieved in that
A kind of optical cable steel band longitudinal tubing mould; it comprises patrix and counterdie; patrix and counterdie are roller structure; it is the semicircle of depression in the middle part of the outer edge surface of roller structure; the lower outer edge surface of patrix and the upper outer edge surface of counterdie are fitted; formed in the middle of this joint place one for optical cable steel band indulge bag through circular channel, the outer edge surface of patrix or counterdie is provided with salient point.
Preferred as one, described salient point is positioned at the semicircular midline of depression.
Preferred as one, described salient point is one.
Preferred as one, described salient point is evenly provided with multiple on patrix or counterdie outer edge surface.
Compared with prior art, the beneficial effects of the utility model are:
1, produce to realize intercepting after beam tube surface moisture meets high-temperature expansion the continuity running through gas line by stamping uniform concave point to the round shape steel tube lapping place after shaping, effectively prevent optical cable from seeping water;
2, make the endoporus increasing steel pipe, expanding to moisture provides space, and the pore eliminating steel band overlap joint becomes possibility;
3, the clamping dynamics to beam tube after maintenance steel belt molding, makes steel pipe and beam tube form an entirety, meets the requirement of high and low temperature environment change, can not cause fiber cut failure.
Therefore this optical cable steel band longitudinal tubing mould has and switching performance between steel pipe and beam tube can be made good and the advantage that can not produce gas line at steel band scrap (bridge) place.The utility model meets the needs of optical cable production technology completely, and Design Thinking is original, and this optical cable steel band longitudinal tubing Mould operation is reliably easy, does not produce concave point, also can not cause any damage to the sleeve pipe in steel pipe to jacket surface after extrusion molding.Intercept running through continuously of gas line simultaneously, maintained again the clamping dynamics to beam tube after steel belt molding simultaneously, after the cooling of jacket surface protective cover material, also do not form obvious salient point cause the uneven phenomenon of sheath.By facts have proved, this device is novel, reasonable in design, easy to operate, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model optical cable steel band longitudinal tubing mould.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the partial enlarged drawing at circular channel place in Fig. 2.
Fig. 4 is the structural representation of steel pipe in Fig. 1.
Wherein:
Patrix 1, counterdie 2, salient point 3, steel pipe 4, beam tube 5, concave point 6.
Detailed description of the invention
See Fig. 1 ~ Fig. 4, a kind of optical cable steel band longitudinal tubing mould that the utility model relates to, it comprises patrix 1 and counterdie 2, patrix 1 and counterdie 2 are roller structure, it is the semicircle of depression in the middle part of the outer edge surface of roller structure, the lower outer edge surface of patrix 1 and the upper outer edge surface of counterdie 2 are fitted, formed in the middle of this joint place one for optical cable steel band indulge bag through circular channel, the outer edge surface of patrix 1 or counterdie 2 is provided with salient point 3, salient point 3 is positioned at the semicircular midline of depression, outer edge surface for patrix 1 shown in Fig. 1 arranges salient point, salient point is the straight section of a radial arrangement, this salient point 3 can be provided with one, also evenly can be provided with multiple on patrix 1 or counterdie 2 outer edge surface.
The beam tube 5 of steel pipe 4 and steel pipe 4 inside is from left to right through this circular channel, patrix 1 with counterdie 2 in rotary work process, steel pipe 4 and beam tube 5 pass the process bumps 3 of circular channel and the exterior surface of steel pipe 4, and the outer surface making steel pipe 4 to have a depressed part embedding beam tube 5 is inwardly pressed on the steel pipe 4 of this contact position surface by salient point 3.Steel pipe 4 and beam tube 5 lap-joint extrude uniform concave point 6, clamp beam tube 5, beam tube 5 and steel pipe 4 is made to form an entirety, eliminate the beam tube disconnected fine accident that beam tube shrinks and stretches out and cause under high/low temperature situation, eliminate the aperture of beam tube surface moisture after sheath high temperature extrusion expands simultaneously, or block the continuity of aperture, prevent optical cable from seeping water.
Claims (4)
1. an optical cable steel band longitudinal tubing mould, it comprises patrix (1) and counterdie (2), patrix (1) and counterdie (2) are roller structure, it is the semicircle of depression in the middle part of the outer edge surface of roller structure, the lower outer edge surface of patrix (1) and the upper outer edge surface of counterdie (2) are fitted, formed in the middle of this joint place one for optical cable steel band indulge bag through circular channel, the outer edge surface that it is characterized in that patrix (1) or counterdie (2) is provided with salient point (3).
2. a kind of optical cable steel band longitudinal tubing mould according to claim 1, is characterized in that described salient point (3) is positioned at the semicircular midline of depression.
3. a kind of optical cable steel band longitudinal tubing mould according to claim 1 and 2, is characterized in that described salient point (3) is one.
4. a kind of optical cable steel band longitudinal tubing mould according to claim 1 and 2, is characterized in that described salient point (3) is evenly provided with on patrix (1) or counterdie (2) outer edge surface multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420395344.2U CN204020004U (en) | 2014-07-17 | 2014-07-17 | Optical cable steel band longitudinal tubing mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420395344.2U CN204020004U (en) | 2014-07-17 | 2014-07-17 | Optical cable steel band longitudinal tubing mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204020004U true CN204020004U (en) | 2014-12-17 |
Family
ID=52059911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420395344.2U Expired - Fee Related CN204020004U (en) | 2014-07-17 | 2014-07-17 | Optical cable steel band longitudinal tubing mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204020004U (en) |
-
2014
- 2014-07-17 CN CN201420395344.2U patent/CN204020004U/en not_active Expired - Fee Related
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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: 20141217 |