Locking and shearing integrated string winder

The utility model discloses a locking and shearing integrated string winder which comprises a worm and gear matched shell. A shearing structure is formed at one end of the worm and gear matched shell, and a worm and a worm gear winding chord are mounted in the worm and gear matched shell; the worm is connected with the handle through a handle fastening screw, and the handle rotates to synchronously drive the worm, so that the worm wheel and the winding chord are linked; a chord winding rod string inlet hole, a chord winding rod string outlet hole and a chord winding rod concave ring are formed in the side wall of the worm wheel chord winding rod, a string penetrates through the chord winding rod string inlet hole and penetrates out of the chord winding rod string outlet hole, and after the string is clamped through the locking nut, the string is wound around the chord winding rod concave ring under the rotation of the worm wheel chord winding rod. When the strings are wound, redundant strings on one side of t