Sectional type cutting machine

The utility model belongs to the technical field of cutting machines, and particularly relates to a sectional type cutting machine which comprises a cutting machine body, an operation table is arranged at the upper end of one side of the cutting machine body, air cylinders are arranged at the left end and the right end of one side of the operation table, and control buttons are arranged at the positions, close to the air cylinders, of the left end and the right end of one side of the operation table. The control button is electrically connected with the air cylinder, a dust collection groove box is fixedly connected to one side of the operation table, the left end and the right end of one side of the dust collection groove box are located on the outer side of the control button and rotationally connected with mistaken touch prevention baffles through second damping rotating shafts, and the upper end of the interior of the dust collection groove box is rotationally connected with a dustproof cover plate throug