Twistless feeding system for weaving flattened weft yarns

Abstract

The invention provides a zero-twist feeding system for flattened wefts of weaving of weaving. The zero-twist feeding system comprises a picking back device, a weft insertion device, a weft receiving device and beating-up devices, wherein the picking back device is arranged at the front end of the weft insertion device, the weft receiving device is arranged at the rear end of the weft insertion device, and the beating-up devices are arranged at the inlet end and the outlet end of the weft receiving device. The motion of the zero-twist feeding system is controlled and sensed by combining pneumatic-electric drive with the light-sensing laser technology, the tension, thickness and width of the flattened wefts can be set and monitored according to needs so as to conveniently regulate the tension, thickness and width timely, the flattened wefts are fed into the cloth-fell of fabric without twist, bending, friction fluffing, edge curling and gaps during weaving, the requirements such as flatness, even yarn width, even thickness and low gap rate of the flattened fabric are satisfied while the shortest waste edge is achieved, and raw material loss and cost can be lowered to the maximum extent.

Description

technical field [0001] The invention relates to the field of textile weaving and weaving machinery, in particular to a twist-free feeding system for weaving flattened weft yarns, which effectively solves the production of new products It has strong practicability, wide adaptability, strong operability, and meets the development concept of scientific innovation. Background technique [0002] With the rapid development of the composite material market, more and more attention has been paid to the fineness and cross-sectional width of composite materials such as carbon fiber and glass fiber, as well as the planar structure, three-dimensional structure and thickness of the corresponding fabric products. The main development goal of carbon fiber base fabric is that since carbon fiber is non-twisted yarn in most cases, it is a filament yarn composed of many small tows, so the carbon fiber raw material will be flattened before weaving to make it aggregate The small tows of the car...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problem of yarn defects in the prior art when flattened carbon yarns are used as weft yarns for twistless weaving, the present invention provides a twistless feeding system for weaving flattened weft yarns to solve the problem

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