Yarn auto-leveling drawing frame

The utility model relates to a yarn auto-leveling drawing frame which comprises a working box and a yarn cylinder arranged outside the working box, an anti-breaking assembly and a pressing mechanism are arranged in the working box, and yarn on the yarn cylinder penetrates out of the working box after entering the working box and sequentially passing through the anti-breaking assembly and the pressing mechanism. The anti-breaking assembly comprises a guide frame and a wheel carrier set which are fixed to the inner side of the bottom face of the working box, the wheel carrier set is slidably installed at the head of the guide frame, a supporting spring is further arranged between the wheel carrier set and the guide frame, and the pressing mechanism comprises a supporting frame, an upper limit wheel carrier and a lower limit wheel carrier which are fixed to the inner side of the bottom face of the working box. And the lower limit wheel carrier is arranged at the lower end of the upper limit wheel carrier. Accord