A sand blasting unit for being directed at mould of target carries out sandblast

The utility model discloses a sand blasting unit for being directed at mould of target carries out sandblast, including sand blast jig board, sandblast room, up end on the sand blast jig board is provided with a plurality of die cavities, every the die cavity matches with the shape of mould, the both ends of die cavity are provided with the screw hole with screw matching, the screw fixation that the mould passes through both ends is in the die cavity, the sand blast jig board passes through conveyor and carries to the sandblast room in, have two sandblast stations in the sandblast room, be first sandblast station, second sandblast station respectively, the sand blast jig board is carried to first, second sandblast station department in proper order. The utility model discloses to part mould and backplate sand -blast treating respectively, can improve reverse membrane efficiency, avoid the probability that produces the defective products again, adopt twice sandblast, guaranteed that thereverse membrane on moul