Cutting device for hardware fitting

The utility model relates to a hardware cutting equipment technical field, and disclose a cutting device for hardware fitting, comprising a base plate, the fixed cover in one side of bottom plate is equipped with the cavity case, the fixed cover in one side of cavity case is equipped with the bearing, the fixed cover in one side of cavity case is equipped with and lies in the inside spiral shell rasp bar of bearing, and spiral shell rasp bar lies in the outside one end fixedly connected with crank of cavity case, and the one end that spiral shell rasp bar lies in cavity incasement portion connects through bearing fixing sleeve, and bearing fixing sleeve adorns in the one side in cavity incasement chamber, and the draw -in groove has all been offered at the front and the back in cavity incasement chamber. This cutting device for hardware fitting, through the cooperation use of spiral shell rasp bar, crank, movable block, fixed block, backup pad and joint piece, the cutting device for hardware fitting's of bein