STRAPPING MACHINE Russian patent published in 2023 - IPC E04G21/12 B21F15/04 B25B25/00 B65B13/28 

FIELD: strapping machine.

SUBSTANCE: invention is related to a strapping machine capable of strapping an object to be strapped, such as a reinforcing bar, with a wire. The technical result is achieved by the fact that the strapping machine contains a wire feed unit configured to feed wire; a bend forming unit configured to form a path along which the wire fed by the wire feeding unit is to be wound around the object to be wrapped; docking part, to which the object to be tied must be docked; a cutting unit configured to cut the wire wound around the object to be tied; a strapping block configured to twist a wire wound around an object to be strapped and cut off by means of a cutting block, the strapping block comprises: a rotary shaft, a housing for engaging the wire, configured to move in the axial direction of the rotary shaft, engaging the wire and twisting the wire with rotation together with the rotation shaft, and a spring for pressing the rotation shaft in a direction in which the wire engaging body extends from the mating portion along the axial direction of the rotation shaft, and for adjusting the axial position of the rotation shaft; and a tension application portion configured to apply tension to the wire to be cut by the cutting unit with a force greater than a force applied in the loosening direction of the wire wound on the object to be tied.

EFFECT: increase of binding force of the strapping machine.

9 cl, 26 dwg