Joint stock system

Abstract

The invention relates to a stranding system which comprises two yarn paths which are arranged in parallel. Yarn unwound by the two yarn paths is collected together through the two yarn paths and then wound around the same cone yarn. Each yarn path comprises a float cylinder communicating with a gas path and a spring rack arranged on the gas path. The stranding system is characterized in that a pressure valve is arranged on each gas path; each spring rack is pressed on the corresponding pressure valve through pressing springs in a buffering manner; each float cylinder comprises an upper cap and a lower cap sleeved with the upper cap; float springs are arranged in a cavity commonly formed by each upper cap and the corresponding lower cap; each lower cap is fixedly arranged; each upper cap can vertically float according to gas pressure and the elastic force effect of the corresponding float springs; a pressure groove for yarn to pass is formed in the top of each upper cap; a yarn guide wheel is further arranged on each of the two sides of each pressure groove; a guide wheel is arranged in each pressure groove; and an unwinding transmission device is arranged on each spring rack.

Description

technical field [0001] The invention relates to a weaving device, in particular to a plying system. Background technique [0002] Cone cone yarn has many advantages such as easy unwinding, not easy to fall off, etc. In the whole spinning process, cone cone yarn is an indispensable yarn weave form. Due to the needs of the next process, many processes often require the production of cones. shaped yarn. [0003] The doubling machine can usually combine two single yarns to form a plied yarn (twisted ply). Usually the most important issue in plying is to control the two yarns to maintain the same tension during plying, so that the two single yarns form a single yarn. There will be no problem of long and short threads when plying. If there is a problem of long and short threads, the ply yarn will easily break in the next two-for-one twisting stage, and it will also easily appear "small tails" on the twisting thread. Therefore, it is necessary to strictly control the retreat of th...

AI Technical Summary

Problems solved by technology

[0004] Further, the problem encountered in doubling is that when two bobbins are unwound and plied at the same time, since the remaining yarn volumes of the two bobbin packages are not necessarily the same, especially when there is little remaining of one bobbin (yarn bobbin smaller diameter), and there is a lot of remaining yarn in the other package (the diameter of the yarn package is larger), and one meter of yarn is also unwound. Packaged yarn with a larger diameter, furthermore, within the unwinding length of the yarn unit, the more unwinding turns, the greater the unwinding tension of the upper thread

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