Forward and reverse tension adjusting device for automatic winding machine

The utility model relates to a forward and reverse tension adjusting device for an automatic winding machine. The forward and reverse tension adjusting device is composed of a forward tension adjusting module and a reverse tension adjusting module. The two tension adjusting modules are installed on the near-edge portion, close to one side of the thread storage wheel, of the thread shuttle wheel. Each tension adjusting module comprises a transition wheel, an adjusting wheel, a floating adjusting swing arm and a pressing wheel. Wherein the transition wheel is shared; the transition wheel is rotatably installed on the transition wheel supporting block, the transition wheel supporting block is fixedly connected with the side wall of the thread shuttle wheel, the pressing wheel is rotatably supported at the outer end of the pressing wheel shaft, and the inner end of the pressing wheel shaft is fixedly connected with the thread shuttle wheel. The end, close to the transition wheel, of the floating adjusting swing a