Novel fancy-yarn drafting mechanism

The invention relates to the technical field of spinning, in particular to a novel fancy-yarn drafting mechanism. The novel fancy-yarn drafting mechanism comprises a front roller, a front leather roller, a middle roller, a middle leather roller, a back roller and a back leather roller, wherein a first shaft body and a second shaft body of the back leather roller are same in structure and sleeve the two ends of a connecting shaft through rolling respectively, a first annular groove is formed in the small diameter section of the first shaft body, and a second annular groove is formed in the large diameter section of the first shaft body; the middle leather roller and the back leather roller are same in structure, are opposite in direction and are parallelly arranged; a long leather ring sleeves the portion between the second annular groove of the back leather roller and a lower sheath, and a short leather ring is arranged between a second annular groove of the middle leather roller and an upper sheath; the midd