Material rack of laser cutting machine

The utility model relates to a laser cutting machine material rack which comprises a working table and a cutting frame connected with one side of the top of the working table in a sliding mode, a laser cutting machine body is arranged on the cutting frame, a feeding and discharging assembly is arranged on one side of the working table, and the feeding and discharging assembly comprises a fixing plate. An annular rotating sleeve is arranged on one side of the fixing plate, a plurality of discharging blocks are evenly and fixedly connected to the surface of the outer side of the rotating sleeve, a through opening is formed in the end, away from the rotating sleeve, of each discharging block, a blocking block is movably arranged in each through opening, and a rotating assembly is arranged between the fixing plate and the connecting plate; the rotating assembly is used for driving the multiple discharging blocks on the rotating sleeve to rotate in the direction of the workbench. By means of the plate feeding and