Edge trimmer for printed matter printing

The utility model discloses an edge trimmer for printed matter printing, and particularly relates to the technical field of edge trimmers, the edge trimmer comprises a working table, the lower end of the working table is fixedly connected with two supporting legs, the front and back of the working table are fixedly connected with two sliding groove plates, the inner walls of the sliding groove plates are detachably connected with a flattening device, and the flattening device is fixedly connected with the supporting legs. The edge trimmer comprises a workbench, the upper end of the workbench is fixedly connected with a support, the right side of the support is detachably connected with a moving device, the left portion of the upper end of the workbench is provided with a leakage groove, and the lower end of the leakage groove is fixedly connected with a dust collecting device. According to the edge cutting device, deviation or tilting in the edge cutting process is prevented, the situation that the machining