Novel material metering scale with high air permeability and high precision

The utility model belongs to the field of material metering scales, and particularly relates to a novel material metering scale with high air permeability and high precision, which comprises a metering tank provided with an operation block, the operation block is provided with a rotating cavity, the rotating cavity is provided with a traction cavity, the rotating cavity is provided with a threaded sleeve rod, and the threaded sleeve rod is provided with a sliding block. The sliding block and the traction cavity are assembled, the threaded sleeve rod is provided with a connecting plate, the connecting plate is provided with a supporting rod, the supporting rod is provided with a baffle, and the metering tank is provided with a connecting pipe. According to the novel material metering scale with high air permeability and high precision, through cooperation of the baffle and the sliding block, the problems that in the metering process of an existing metering scale, due to the fact that fall exists when material