Stepless speed change type cloth take-up device for a circular knitting machine

摘要

A cloth take-up device for a circular knitting machine includes first and second vertical side panels, a cloth-transfer cylinder connected between the vertical side panels adjacent a top side of the vertical side panels, and two impression cylinders connected in parallel between the vertical side panels and peripherally disposed in contact with the cloth- transfer cylinder at two opposite sides for guiding a finished piece of knitted fabric over the cloth-transfer cylinder. Two parallel support arms are respectively pivoted to the vertical side panels. A cloth take- up cylinder is connected between the support arms. A transmission shaft is coupled to a main bevel gear by an auxiliary bevel gear. A gear train is coupled to the main bevel gear by another auxiliary bevel gear, and a belt transmission mechanism is mounted on the second vertical side panel. The belt transmission mechanism is driven by the transmission shaft to rotate the cloth take-up cylinder, causing it to take up the finished piece of knitted fabric. A stepless speed change device is provided having an input shaft coupled to the gear train. A chain transmission mechanism is mounted on the first vertical side panel and is driven by the output shaft of the stepless speed change device to rotate the cloth- transfer cylinder, enabling the finished piece of knitted fabric to be carried forwards by the cloth- transfer cylinder and taken up by the cloth take-up cylinder.