Heavy system of air conveying batch weigher

The utility model relates to a heavy system of air conveying batch weigher, it mainly includes the air compressor machine, opens bag station, air conveying storehouse pump and former feed bin, the feed inlet of air conveying storehouse pump links to each other with the discharge gate of opening the bag station, the feed inlet that the discharge gate of air conveying storehouse pump passes through pipeline and former feed bin links to each other, the pipeline that the gas outlet and the air conveying storehouse pump discharge gate of air compressor machine were located is linked together the feed inlet department of former feed bin is provided with bin top dust remover, the discharge gate of former feed bin links to each other with the feed inlet of fighting of weighing through frequency conversion screw machine, the discharge gate of fighting of weighing is provided with the mixer, the discharge gate of mixer is fought through the transition and is linked to each other with automatic packaging machine. The ut