Dustproof double-roller type sand making machine

The invention discloses a dust-raising-preventing double-roller type sand making machine which comprises a machine table, a first mounting base is mounted at the top of the machine table, a sand making box is mounted at the top of the first mounting base, a set of sand making double rollers are mounted in the sand making box, and a second mounting base is arranged at the position, located on the side face of the first mounting base, of the top of the machine table. A speed regulator and a driving motor are mounted at the top of the mounting seat II, and the driving motor is used for driving the sand making roller pair to rotate; an inclined mesh screen is installed in the machine table, the mesh screen is used for screening crushed gravel, a negative pressure fan is installed on one side wall of the machine table, and a spiral conveyor is installed on the other side wall of the machine table. According to the pair-roller type sand making machine capable of preventing flying dust, the machine table, the butt j