Automatic yarn storage device

The utility model relates to the technical field of hank winders, in particular to an automatic yarn storage device. The utility model provides an automatic yarn storage device which comprises a frame and at least one yarn storage assembly, and each yarn storage assembly comprises a guide rod, a sliding block, a driving piece, a rotating mechanism and a yarn storage mechanism. The guide rod is obliquely installed on the frame, a sliding block is installed on the guide rod in a sliding mode, one end of the driving piece is connected with the sliding block, and the driving piece drives the sliding block to move in the axis direction of the guide rod; the rotating mechanism is rotationally installed on the sliding block, the yarn storage mechanism is installed on the rotating mechanism, and the rotating mechanism drives the yarn storage mechanism to rotate. The automatic yarn storage device is used in cooperation with a doffing component, finished skein can be automatically taken out, follow-up reeling work is n