Automatic material changing device of two-for-one twister

The utility model belongs to the technical field of spinning equipment, and particularly relates to an automatic material changing device of a two-for-one twister, the automatic material changing device of the two-for-one twister comprises a transferring mechanism, a finished product material changing mechanism, a bobbin material changing mechanism and a visual positioning control system, the finished product material changing mechanism is arranged on the transferring mechanism; the bobbin reloading mechanism comprises a material loading bin, a transfer limiting assembly and a material moving assembly, the material loading bin, the transfer limiting assembly and the material moving assembly are all arranged on the transferring mechanism, the output end of the material moving assembly reciprocates between the material loading bin and the transfer limiting assembly, and a clamping cavity is formed in the output end of the transfer limiting assembly; the visual positioning control system is arranged on the trans