Auxiliary feeding mechanism of sand making machine

The utility model discloses an auxiliary feeding mechanism of a sand making machine, which comprises the sand making machine, the top end of the sand making machine is communicated with a feeding hopper, a U-shaped feeding plate is fixed on one side of the top end of the feeding hopper, a transverse plate is fixed at the top end of the U-shaped feeding plate, a first baffle is embedded in the transverse plate, and a second baffle is arranged at the bottom end of the first baffle. According to the auxiliary feeding mechanism of the sand making machine, when feeding is conducted on the feeding hopper through the U-shaped feeding plate, the rotating rod rotates to drive the first gear to rotate, the first gear drives the rack to move up and down, and the rack drives the second baffle to move up and down; the size of the gap between the second baffle and the U-shaped feeding plate can be adjusted, namely the size range of materials passing through is adjusted, the materials passing through the U-shaped feeding pl