Feeding device capable of automatically collecting raw materials

The utility model discloses a feeding device capable of automatically collecting raw materials, which comprises a box body, a hopper is arranged at the top end of the box body, a spiral conveying shaft is arranged at the top of an inner cavity of the box body, a discharge port is arranged at the top of the inner cavity of the box body, and the discharge port is arranged at the bottom of the spiral conveying shaft. A temporary retaining plate is mounted on the inner wall of the inner cavity of the box body and is positioned at the bottom of the discharge hole; a carrying plate is installed in the middle of an inner cavity of the box body, a material conveying plate is slidably installed at the top of the carrying plate, the front end and the rear end of the material conveying plate are each provided with a side block, the side blocks are slidably installed in a front sliding groove and a rear sliding groove of the carrying plate, and a first sliding rod is slidably installed on the surface of the side block on