Scratch-proof metal plate shearing machine

The utility model provides a scratch-proof metal plate shearing machine, which belongs to the technical field of cutting equipment and comprises a workbench, a sliding column is fixedly connected to the top surface of the workbench, a fixing plate is sleeved on the surface of the sliding column, the fixing plate is slidably connected with the sliding column, and a limiting plate is fixedly connected to the top end of the sliding column. The bottom surface of the limiting plate is fixedly connected with a spring, the spring is fixedly connected with the fixing plate, threaded holes are formed in the top surface and the bottom surface of the fixing plate in a penetrating mode, and threaded columns are in threaded connection with the inner walls of the threaded holes, so that the fixing plate makes contact with the metal plate more tightly, and then a hydraulic push rod pushes a shear knife to move downwards to shear the metal plate; according to the metal plate shearing machine, the aim of conveniently preventi