Plate shearing machine with internal shaft convenient to replace

The utility model discloses a plate shearing machine with an internal shaft convenient to replace, which relates to the technical field of plate shearing machines, and comprises an object main body, one side of the object main body is fixedly connected with an anti-skid fixing foot, one side of the object main body is fixedly connected with an upper cover plate, one side of the upper cover plate is movably connected with an extension rod, and the extension rod is fixedly connected with the object main body. One side of the extension rod is movably connected with a clamping block, one side of the extension rod is fixedly connected with a cutting piece, one side of the clamping block is fixedly connected with a fixing plate, one side of the fixing plate is fixedly connected with a nut, one side of the nut is movably connected with a threaded rod, and one side of the clamping block is provided with a first hollow opening. According to the plate shearing machine, the threaded rod is arranged, after a user screws