Feeding system of wood crushing machine

The utility model discloses a wood crushing machinery feeding system which comprises a frame plate, two supporting blocks are symmetrically connected to the bottom of the frame plate, positioning plates are fixedly connected to one sides of the two supporting blocks, screw holes are symmetrically formed in the tops of the positioning plates, a bearing plate is fixedly connected to one side of the outer wall of the frame plate, and the bearing plate is fixedly connected to the other side of the outer wall of the frame plate. A working motor is installed on the top of the bearing plate in a threaded mode, a rotating roller is installed at the output end of the working motor, a conveying belt is arranged on the outer side of the rotating roller, the section of the frame plate is arranged to be in a U shape, and first limiting sliding grooves are formed in the two sides of the inner wall of the frame plate correspondingly; and extrusion plates are slidably mounted in the two first limiting sliding grooves corresp