Wood chip recovery compressor

The utility model discloses a wood chip recycling compressor which comprises a compression box, a longitudinal compression mechanism and a smashing mechanism. A crushing box is arranged at a rectangular opening formed in the top wall of the compression box, a bottom plate is arranged on the bottom wall of the compression box, first sliding grooves are symmetrically formed in the upper surface of the bottom plate, lower sliding plates which are symmetrically distributed are slidably connected between the two first sliding grooves, and upper sliding plates are slidably connected into sliding grooves formed in the upper surfaces of the lower sliding plates; a rotating shaft is rotationally connected between the front wall and the rear wall of the compression box through a second bearing, a left baffle is arranged in the middle of the rotating shaft, the left end of the lower sliding plate is slidably connected with a second sliding groove formed in the right side of the left baffle, and a second discharging plat