Automatic unblocking device for feed opening of batching bin

The utility model provides an automatic unblocking device for a feed opening of a batching bin, which comprises a support plate and a shaking plate, a batching barrel is arranged in a mounting opening formed in the support plate, a cavity plate is arranged at the lower end of the batching barrel, a feed pipe is arranged at the lower end of the cavity plate, and a worm gear ring matched with the batching barrel is rotatably connected in the cavity plate. And two scraping plates are arranged in the worm gear ring and both attached to the inner arc wall of the batching barrel, a worm is rotationally connected into the cavity plate, the worm is connected with the worm gear ring in a meshed mode, and a driving assembly for driving the worm to rotate and a turning mechanism are arranged on the right side of the cavity plate. By means of the automatic unblocking device for the feed opening of the batching bin, unblocking can be conducted on the feed opening of the batching bin, particles adhering to the feed opening