Rotor mechanism of twister

The invention relates to a rotor mechanism of a twister. The rotor mechanism comprises a supporting shaft, wherein a central through hole is formed in the supporting shaft, a twisting body is sleeved to the supporting shaft, and the upper part of the twisting body is sleeved to the supporting shaft. The rotor mechanism is characterized in that an outer silk yarn through hole communicated with the central through hole is formed slantwise at one side of the lower part of the twisting body, and an inner silk yarn through hole communicated with the central through hole is vertically formed in the bottom of the twisting body. The rotor mechanism of the twister is simple in structure, capable of ensuring the intersection of inner and outer silk yarns in the central line of the central through hole of the supporting shaft, and also capable of reliably guaranteeing even tension of the silk yarns and thus meeting the process requirements of yarn twisting.