Adjustable sizing structure of plate shearing machine

The utility model discloses an adjustable sizing structure of a plate shearing machine. The adjustable sizing structure comprises an installation support, feeding roll shafts are arranged at the two ends of the installation support, a plate shearing support is arranged in the middle of the installation support, a plate shearing tool is installed in the plate shearing support, and a sizing assembly is installed on the installation support. The moving motor drives the lead screw to rotate so as to drive the two moving seats and the sizing plate to move on the lead screw and the guide rod, the pull rope displacement sensor senses the displacement distance in the moving process, accurate position adjustment of the sizing plate is achieved, real-time adjustment can be conducted according to the plate shearing requirement, adjustment convenience is improved, and the working efficiency is improved. A pull rope displacement sensor is used for sensing the distance, the adjusting accuracy is improved, a sizing plate is