Drawing frame buncher cotton blockage self-stopping device

The invention belongs to the technical field of self stopping for fault detection and particularly relates to a drawing frame buncher cotton blockage self-stopping device. The reliable and efficient drawing frame buncher cotton blockage self-stopping device comprises a roller support, wherein a roller is arranged on the roller support, a buncher is arranged on the front side of the roller, and a buncher support is arranged at the two ends of the buncher respectively. The drawing frame buncher cotton blockage self-stopping device is structurally characterized in that the buncher support close to one side of the roller support is connected with one end of a rotary arm, the other end of the rotary arm is connected with one end of a transverse rotary shaft, the other end of the transverse rotary shaft penetrates through the roller support to be connected with a detecting stop block, an adjusting seat for detecting the position of the stop block and a proximity switch for detecting the position change of the stop