YARN PROCESSING DEVICE AND METHOD FOR RING SPINNING MACHINE

摘要

A yarn processing device and method for a ring spinning machine. The yarn processing device comprises the ring spinning machine, a rear roller (3), a middle roller (4), and a front roller (5); a roving feeding and position exchange device (7); and two roving strands (1, 2) which are fed in from the rear roller (3) by means of the roving feeding and position exchange device (7). A static or dynamic spinning triangular area is formed by means of the roving feeding and position exchange device (7), distribution of fibers in yarn is changed, and two-side structure blended yarn of continuous or discontinuous component fibers composed of flame-retardant fiber rods (1) and blended fiber rods (2) is formed. The processing device is simple in structure, convenient to assemble, low in costs, good in universality, and easy and convenient to operate, and the precision is easy to control. Moreover, the yarn processing method for the ring spinning machine is realized by means of the yarn processing device, so that high-efficiency flame-retardant blended yarn processing can be realized, the process can be reduced, the spinning efficiency can be improved, and the production costs can be reduced.