| 摘要 |
PURPOSE:The yarn stored in the reserver during the yarn knotting operation is taken up in the package at high speed after the completion of knotting and the taking-up speed is returned to the ordinary speed by the signal of the reserve completion, thereby the smooth automatic knotting can be always made even when the feed speed of the yarn and the size of the package vary. CONSTITUTION:While knotter 22 is operating, the upper yarn that is sent out of taking-off roller 8 is introduced into reserver 12 which has come near roller 8 and stored in folded from 11b. The package 14 is taken up at a high speed to reduce gradually the dip of the yarn and at the moment when the yarn 11c leaves the sucking opening of reserver 12, the yarn detector 24 sends the signal of reservation completion. The signal separates cradle gripper 15 and driving roller 18 from package 14 and the rotary traverse drum 17 makes the package 14 wind up the yarn at a normal taking-up speed. |
