Torsion spring inner hook short arm cutting device

The utility model discloses a torsion spring inner hook short arm cutting device which comprises a base, an installation base is fixedly connected to the base, a pneumatic cylinder is fixedly connected to an outer side plate of a vertical plate of the installation base, and the extending end of the pneumatic cylinder extends into the installation base. Cut-off arms are symmetrically and rotationally mounted in the mounting base, and the extending end of the pneumatic cylinder is hinged to the ends of the two cut-off arms through connecting pieces; and cutters are arranged on opposite side plates, far away from the end parts of the pneumatic cylinder, of the two cutting-off arms, and the two cutters are matched with each other to cut off the spring. The spring long arm cutting device is simple in structure and reasonable in design, through the arrangement of the pneumatic cylinder, the cutting arm, the connecting piece, the cutter and the like, the pneumatic cylinder drives the cutting arm to rotate so as to c