The invention relates to a high-tenacity and low-tension
spinning device, which is used for ring spinners in
textile industry. In the invention, a frame member is arranged along the length direction of a ring spinner in the middle of a
spinning section between a front jaw and a
yarn guide hook, a false twisting unit arranged corresponding to a spindle is fixed on the two borders of the frame member by two bearings and makes tangential transmission by a driving belt driven by a motor, and a
yarn tension damping needle rod is arranged in the false twisting unit. By using the invention, the
spinning tenacity is greatly improved, the spinning tension is reduced, and the spinning tension difference of large cop, middle cop and small cop is reduced, thereby realizing low-tension spinning;
yarn filoplume is reduced, rubber roller is not wound by fibre frequently, and flyings are reduced, thereby improving spinning environment and spinning quality; heavy twist torsional moment is featured, the device can be applied to yarn with bigger
hardness and cruder fibre, fibre material scope is enlarged, and
raw material cost is reduced; and installation of the low-tension spinning device keeps the mechanism of the traditional ring spinners unchanged and is fit for modification of ring spinners for cotton / yarn /
ramie / silk spinning.