Spinning machine drafting component capable of improving yarn quality

Abstract

A spinning machine drafting component capable of improving yarn quality is used for solving the problem of easy slipping or easy wear of the drafting components. The technical scheme is as follows: the drafting component comprises a top pin, a middle top roller, a top apron surrounding the top pin and the middle top roller, a middle bottom roller, a bottom pin, a tension frame and a bottom apron surrounding the middle bottom roller, the bottom pin and the tension frame; the middle parts of the internal surfaces of the improved top apron and bottom apron are flat and smooth surfaces and the two sides of the improved top apron and bottom apron are pattern surfaces which are symmetrically arranged. The drafting component is designed to utilize flat and smooth surface contact in the fiber strand movement area, thus being conductive to reducing serious friction of the front jaw of the top pin, and to utilize patterns at the two sides, thus solving the problem of easy slipping due to small friction of flat and smooth surface contact between the aprons and the rollers. The drafting component is stable in transmission, greatly reduces slipping, has remarkably increased friction on the same contact area, improves the stability of operation in the main drafting area, is conductive to giving full play to the advantages of fiber control by the aprons and elastic floating jaws, further ensures the uniformity of the yarns and improves the yarn quality.

Description

technical field [0001] The invention relates to a textile machine component, in particular to a spinning machine drafting assembly capable of improving drafting stability and yarn quality, and belongs to the technical field of textiles. Background technique [0002] The spinning frame in the textile machinery includes a roving frame and a spinning frame. The drafting device in the spinning frame drafts the cotton strands step by step, and then winds and twists them to form roving or spun yarn. In the drafting device, the drafting assembly composed of the upper and lower aprons of the roving frame, the upper middle roller, and the lower middle roller is the key component required for the ring spinning roving frame to draft the cooked sliver into a specified quantitative roving In the same way, the drafting assembly composed of the upper and lower aprons and the upper and lower rollers of the spinning frame is also the key component required for the ring spinning frame to draf...

AI Technical Summary

Problems solved by technology

Whether it is a roving frame or a spinning frame, the following problems generally exist in the drafting process: the inner surface of the lower apron and the outer surface of the middle and lower rollers, the outer surface of the lower apron and the outer surface of the upper apron, and the inner surface of the upper apron and the outer surface of the middle and upper rollers. There are relatively frequent slipping phenomena, and the slipping phenomenon affects the running stability of the apron, which in turn affects the quality of the yarn, especially the consistency of the quality of the yarn.

The sliding phenomenon of the contact surface between the pattern ring and the roller is lighter than that of the flat aperture, but due to the severe friction between the pattern in the apron and the front jaw of the upper pin, its service life is much shorter than that of the flat aperture, and after a period of use , the wear of the inner pattern is very serious, the quality of the yarn is also deteriorating, and the cost of use is relatively high

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