Plate machining and cutting device

The utility model relates to the technical field of machining and cutting devices, in particular to a plate machining and cutting device which comprises a working table which is a main body structure of the device, a groove is formed in the upper end of the working table, a third sliding rail is installed in the groove, and a through groove is formed in the upper end of the interior of the third sliding rail. The third motor is arranged on one side of the third sliding rail; the positive and negative thread threaded rod is mounted in the third sliding rail and connected with the output end of the third motor; the second sliding blocks are movably connected to the left side and the right side of the interior of the third sliding rail. According to the utility model, the defects in the prior art are overcome, and the two groups of second sliding blocks are driven by the third motor to draw close to each other simultaneously, so that the two sides of a plate are clamped and fixed, and the plates with the same si