Air feeding device

The utility model relates to an air feeding device. The utility model belongs to the technical field of pneumatic feeding. Key points of technical scheme, the device comprises a blanking hopper mounted on the ground through a bracket, a smashing assembly is connected to the lower portion of a discharging port of the discharging hopper. A discharging port of the smashing assembly is connected witha discharging assembly, a discharging port of the discharging assembly is connected with a discharging pipe, a conveying pipe is arranged below the discharging pipe, the side wall of the conveying pipe is communicated with the discharging pipe, an air blower is arranged at one end of the conveying pipe, and the other end of the conveying pipe is connected to the next procedure. The pulverizer andthe blanking assembly are arranged below the discharge port of the hopper, so that materials condensed into blocks are prevented from directly falling into the conveying pipe to cause blockage of theconveying pipe, the materia