Feeding device with raw material screening function for precoated sand production

The utility model discloses a precoated sand production feeding device with a raw material screening function, and relates to the technical field of precoated sand production, the precoated sand production feeding device comprises a feeding shell, the left side of the feeding shell is provided with a motor, the left wall of the feeding shell penetrates through and is rotatably connected with a rotating rod, the outer wall of the rotating rod penetrates through and is fixedly connected with a long shell, and the long shell is fixedly connected with the motor. The left wall of the long shell penetrates through and is slidably connected with an elastic telescopic rod, the right side of the elastic telescopic rod is fixedly connected with a long plate, the long plate penetrates through and is slidably connected to the right wall of the long shell, the long plate is elastically connected with the long shell through a first spring, and the right side of the long plate is fixedly connected with a triangular plate; t