Fixed-length cutting mechanism of plate shearing machine

The fixed-length cutting mechanism of the plate shearing machine comprises a supporting assembly, the supporting assembly comprises a bottom plate and side plates, the side plates are symmetrically arranged on the upper end face of the bottom plate and fixedly connected with the bottom plate in a welded mode, a mounting base is arranged in the middle of the top end of each side plate, and the mounting bases are fixedly connected with the side plates. A driving assembly is arranged on the inner side of the mounting base, the driving assembly is rotatably connected with the mounting base in an inserted mode, an auxiliary shaft is arranged on the inner side of the side plate, and the auxiliary shaft is rotatably connected with the side plate in an inserted mode. The plate shearing machine hasthe advantages of being reasonable in structure and convenient to use, the supporting assembly, the driving assembly and the auxiliary shaft are arranged to be matched with one another, so that plates can be accurately conve