Sack props a mouthful device

The utility model provides a sack props a mouthful device, includes the foundation ring, is provided with the cantilever bracing piece on the foundation ring, is provided with in the top of cantilever bracing piece and props the mouth, at the cantilever bracing piece with combination department of propping mouthful and be provided with retaining ring in the outside of propping the mouth, at first pack needs the empty sack of grain into and prop from this device upper portion and mouthful put into, turn up the sack oral area to retaining ring along propping mouthful device, make the sack be fixed in prop mouthful device inside, then the grain of packing into is treated grain and is filled with, pulls down the sack from retaining ring, the grain sack need not move, directly upwards lifts up this device, takes off, carries out the use of bagging -off next time, the utility model discloses can replace mouthful operation of propping of manpower, have the bagging -off of the shortening time, and then improve the characteristics of practical efficiency.