Detection device for needle length and spindle height of air-jetting vortex spinning machine

Abstract

The invention provides a detection device for a needle length and a spindle height of an air-jetting vortex spinning machine. The detection device comprises a dial indicator, a measurement device for the needle length and a spindle, and a needle length and spindle origin gauge, wherein a shaft-shaped meter head is disposed on the end head of the dial indicator, and the dial indicator is matched with the measurement device for the needle length and the spindle; the lower end of the measurement device for the needle length and the spindle is attached to the upper end of a needle length reference end of the needle length and spindle origin gauge, and the shaft-shaped meter head touches a needle length reference surface of the needle length reference end so as to adjust a needle length measurement reference; and a spindle measurement device is disposed on the lower end of the measurement device for the needle length and the spindle, the lower end face of the spindle measurement device is attached to a spindle height reference end of the needle length and spindle origin gauge, and the shaft-shaped meter head touches a spindle height reference surface of the spindle reference end so as to adjust a measurement reference of the spindle height. According to the invention, the nozzle needle length and the spindle height of the spinning machine can be measured accurately and rapidly; a spacing between a needle tip and the spindle can be ensured; and the spinning machine can be accurately conveyed to the nozzle and a spindle small hole orifice according to spinning motion requirements, so that fiber loss is effectively prevented, and a yarn head-breaking rate is low.

Description

technical field [0001] The invention belongs to the technical field of textile machinery, and in particular relates to a detection device for needle length and spindle height of an air-jet vortex spinning machine. Background technique [0002] Air-jet vortex spinning machine is a highly automated and intelligent spinning equipment that integrates the functions of roving frame, spinning frame and automatic winder, and is at the leading level of contemporary spinning technology. Air-jet vortex spinning uses the nozzle as the twisting part. The nozzle is the core component of air-jet vortex spinning. Inside the nozzle, downstream of the nozzle hole, there is a hollow spindle. High-speed air is injected into the small nozzle through the nozzle hole to form a high-speed swirling airflow. During the spinning process, the yarn controller guides the fibers along the helical trajectory into the air-jet spinning mechanism, namely the nozzle and the inner hole of the spindle, and prev...

AI Technical Summary

Problems solved by technology

Improper distance between the spindle and the needle point, too long needle or high spindle height will make it difficult for fibers to enter the inner hole of the spindle, resulting in a large amount of fiber loss, increased yarn breakage rate, and reduced yarn strength; too short needle or high spindle height Low, the fiber bundle and the needle cannot fully contact or do not contact, so that the guide needle is useless and can not play the role of controlling the fiber

Due to the limitation of the nozzle structure, it is difficult to accurately measure the protruding length of the needle and the height of the spindle with a general measuring tool in the process of assembly, debugging and inspection and acceptance, so it is necessary to propose an improvement

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