YARN FEEDING DEVICE OF TEXTILE MACHINERY

摘要

A device and a method for accurately detecting the presence or absence of yarn on a yarn storage drum (11); the device, comprising the yarn storage drum (11) for temporarily storing the yarn supplied to textile machinery, a detection means (13) for detecting the presence or absence of the yarn on the yarn storage drum, and a stop means (10) for stopping the driving of the yarn storage drum based on the detected information from the detection means (13), wherein the yarn storage drum (11) incorporates a reflective body (12) in the outer peripheral direction and at least the mounting part of the reflective body is transparent, the detection means (13) comprising a light emitting part and a light receiving part is installed at a position facing the reflection surface of the reflective body (12), and the stop means (10) detects by the light receiving part that the light beam outputted from the light emitting part is shielded by the yarn wound on the yarn storage drum and stops the driving of the yarn storage drum.