Molding sand feeding device of molding machine

The utility model relates to the technical field of molding machines, in particular to a molding sand feeding device of a molding machine, and solves the problem that in the prior art, when a filter plate is used for filtering in a sand feeding process, the feeding is easy to block, and the overall sand feeding speed is further influenced. A molding sand feeding device of a molding machine comprises the molding machine, a frame communicates with a top feeding port of the molding machine, a top plate is fixedly connected to the top of the frame, a driving motor is fixedly connected to the top of the top plate through bolts, a sieve plate is slidably connected to the inner side of the frame, and a rotating rod rotationally connected with the top plate is arranged at the top of the sieve plate; the two sides of the rotating rod are fixedly connected with stirring plates. According to the utility model, the stirring plate is used for stirring sand materials, so that the fine sand materials fall into the molding m