Novel air locking device

The utility model relates to a novel air locking device. The novel air locking device comprises a sealed box body, an air locking assembly and a counterweight assembly, wherein the interior of the sealing box body is hollow, and the interior of the sealing box body is further provided with a discharging opening, a feeding opening and a discharging opening, wherein the feeding opening and the discharging opening are formed in the upper end and the lower end of the sealing box body; the air locking assembly comprises a rotating shaft and an air locking plate; the counterweight assembly comprisesa counterweight rod, a counterweight block and a mounting hole a; according to the device, the mounting position of a balancing weight in a balancing weight assembly on a balancing weight rod is adjusted; according to the air locking device, the locking degree of the air locking assembly can be controlled, the problem that traditional air locking equipment cannot adjust the locking degree of theair locking assembly accor