Longitudinal flat overlapping joint die of cable Al-plastic composite tape
A technology of aluminum-plastic composite belt and mold, which is applied in the direction of fiber mechanical structure, etc.
Inactive Publication Date: 2011-02-09
JIANGSU HENGTONG PHOTOELECTRIC
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Problems solved by technology
[0003] In order to overcome the deficiencies of the existing longitudinal wrapping dies for aluminum-plastic composite tapes for optical cables, the present invention provides a lap joint die for longitudinal flat wrapping of aluminum-plastic composite tapes for optical cables. Between the sizing dies, it replaces the horn die, lap die and tapered die in the mold of the existing optical cable aluminum-plastic composite tape longitudinal wrapping device. Moreover, the aluminum-plastic composite tape does not need to be pre-embossed before longitudinal wrapping, and can be directly The aluminum-plastic composite tape is longitudinally flat-wrapped, and the lap joint of the aluminum-plastic composite tape after flat-wrapping will not produce lap gaps, and the aluminum-plastic composite tape that has not been embossed is also less likely to break when it is longitudinally wrapped
Method used
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[0010] refer to figure 1 , figure 2 , using a metal plate rolled aluminum-plastic composite belt guide groove 2 and a tapered lap cavity 3, a plurality of small holes 4 are set on the wall of the tapered lap cavity 3, and the exit 5 of the tapered lap cavity is rolled into Circular, tapered lap cavity 3 is integrated with the aluminum-plastic composite tape guide groove 2, and then the optical cable core guide tube 1 is set in the aluminum-plastic composite tape guide groove 2, so that the present invention is made.
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The invention relates to a longitudinal flat overlapping joint die of a cable Al-plastic composite tape, which is a closed die and provided with an Al-plastic composite tape guide groove and a coned overlapping cavity that are connected together, a cable core guide pipe is arranged in the Al-plastic composite tape guide groove, the coned overlapping cavity is provided with a circular outlet, and the wall of the coned overlapping cavity is provided with a plurality of holes. The invention has the advantages of less quantity of dies and simple structure, can reduce the die cost and the strip breakage rate of the Al-plastic composite tape because the Al-plastic composite tape is not embossed in advance when wrapping, improves the production speed and the longitudinal overlapping quality of the Al-plastic composite tape, and ensures that the cable has excellent waterproof and moisture-preventing properties.
Description
technical field [0001] The invention relates to a component in optical cable production equipment, in particular to a mold in a longitudinal wrapping device for an aluminum-plastic composite tape of an optical cable. Background technique [0002] In order to enhance the waterproof and moisture-proof performance of the optical cable, it is generally necessary to longitudinally wrap a layer of aluminum-plastic composite tape outside the cable core of the optical cable. The longitudinal wrapping mold used in the existing longitudinal wrapping device for aluminum-plastic composite tapes of optical cables is arranged between the preforming die and the sizing die, and is composed of a horn die, an overlapping die and a tapered die. Before the preforming die, it is necessary to set up an embossing machine to pre-emboss the aluminum-plastic composite strip. This type of optical cable aluminum-plastic composite tape longitudinal wrapping device has a large number of molds, high cost...
Claims
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Inventor 钱建林沈新华王英明周春东尹纪成沈晓红孙国芳钱建荣韦东吴金华顾利国孙国华孙春权
Owner JIANGSU HENGTONG PHOTOELECTRIC