Process and device for rewinding feed spools
A yarn and yarn guide technology is applied in the directions of transportation and packaging, transportation of filamentous materials, and thin material processing. It can solve problems such as reducing yarn quality, reduce yarn breakage, improve process conditions, and achieve high winding speed. Effect
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[0020] figure 1 A conventional design is shown in the winding state, with a winding spool 1 , which is generally configured as a conical or cylindrical crossing spool and is driven by a winding roller or grooved drum 2 . Here, the yarn Y is withdrawn from the weft tube or from the yarn supply shaft 81 via the top of the yarn tube 8 . Between the top of the bobbin 8 and the winding bobbin 1, a yarn guide 6, a tensioning device 5, a slub defect detector 4 and a splicing device 3 are generally arranged. Between the yarn Y take-off point at the weft tube 81 and the yarn guide 6 a yarn balloon is formed which, due to the centrifugal force of the yarn Y linked to the unwinding speed, causes a very high yarn tension and thus limits the unwinding speed. Therefore, if figure 1 As shown in , the balloon breaking device 7 is arranged above the weft tube 81 in front of the yarn guide 6 to prevent the formation of a larger balloon. The weft tubes 81 are conveyed by means of the supply ...
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