Crushing buffering device used before wood pulp enters pulper

The utility model discloses a crushing buffer device used before wood pulp enters a pulper, which belongs to the technical field of papermaking production and comprises a bottom support frame, two-way screw rods are rotatably connected to the front side and the rear side of an inner cavity of the bottom support frame, and worm wheels are fixedly sleeved in the middles of the outer sides of the two-way screw rods. Moving blocks are in threaded connection with the front side and the rear side of the outer side of the bidirectional lead screw, a worm matched with the worm gear is rotationally connected to the left side of an inner cavity of the bottom supporting frame, a limiting block is arranged in an inner cavity of the worm, and a connecting rod is fixedly installed on the right side of the limiting block; limiting rods are fixedly connected to the left side and the right side of the front side and the rear side of an inner cavity of the bottom supporting frame correspondingly, and the front side and the rea