Semi-automatic jointing method for open-end-spinning

Abstract

The invention discloses a semi-automatic jointing method for open-end-spinning, and belongs to the technical field of spinning. The traditional semi-automatic jointing method has the disadvantages of low jointing efficiency, low jointing quality, limited rotation speed of a revolving cup during the jointing and heavy manual workload. The semi-automatic jointing method comprises a jointing preparation process and a jointing process, wherein a winding mechanism automatically raises a creel after receiving a yarn breaking signal; packaged yarn ends are found manually; the length of the yarn ends are fixed, a spinning box is opened for clearing impurities, the spinning box is closed, and the yarn ends are put into a doffing tube; an inductor on the spinning box sends out a jointing request signal; a jointing trolley moves to be positioned at a position of a concrete spindle level after receiving a jointing instruction signal; the revolving cup is rotated and gradually accelerated to ensure that the jointing trolley controls the feeding of cotton slivers and the lead-out of the yarns after the jointing is performed at the revolving speed; the yarns which are led out are in temporary storage transition; the creel automatically descends and starts to wind the yarns; the transition yarns are wound by virtue of package, the processes of leading the yarns and controlling the feeding of the cottons are back to the spindle level of a spinning machine, so that the jointing process is finished; and moreover, the jointing efficiency and the jointing quality are improved, the manual workload is reduced.

Description

technical field [0001] The invention belongs to the technical field of open-end spinning, and in particular relates to a semi-automatic splicing method for open-end spinning. Background technique [0002] Open-end spinning, that is, rotor spinning technology, is a new spinning technology. During the spinning process, it is inevitable that there will be yarn breakage. After the breakage, it needs to be re-jointed until the package size reaches the set requirement. At present, semi-automatic rotor spinning machines are used in large quantities on the market, and semi-automatic piecing technology is adopted. The splicing work includes the splicing preparation process and the splicing process. The splicing preparation process is as follows: firstly raise the creel to separate it from the winding roller, stop the winding rotation, manually find out the end of the yarn on the package, and align the yarn end. Fix the length, then open the spinning box, clean the rotor, close the ...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the defects of the traditional semi-automatic jointing technology, such as low jointing efficiency and joint quality, limited rotating speed of the rotor during jointing, and large manual workload, etc., to provide a low manual workload that can be realized when the rotor rotates at a high speed. Open-end spinning semi-automatic piecing method for high-quality piecing