Left threading device of short fiber mixed yarn batch warping machine

The utility model relates to the technical field of textile, in particular to a short fiber mixed yarn batch warping machine lease threading device which comprises a machine frame, a guide pipe, a positioning guide roller, a guide bar rotating wheel and a guide belt. The two sets of positioning guide rollers are installed at the two ends of the guide pipe respectively, each set of positioning guide rollers comprises an inner side positioning guide roller and an outer side positioning guide roller, the inner side positioning guide rollers are higher than the outer side positioning guide rollers, and the guide bar rotating wheel is installed on the rack and located in the same plane with the guide pipe and the positioning guide rollers. The guide belt is annular, penetrates through the opening of the guide pipe and sequentially bypasses the positioning guide rollers and the guide bar rotating wheels at the two ends, and a hook is fixedly installed on the guide belt. The device provided by the utility model is s