Apparatus for controlling the flow of articles

A control object mobile device and under a conveyor belt (B) comprises a feed conveyor belt (A), a feed conveyor belt (A) of and a conveyor belt (B), determines a space of them. The movable transmission (D) placing to surmount the space and can move along the space. The transmission mechanism comprises a rotatable moving part (E), and under a conveyor belt (B) is a driving engagement with feeding (A); when the moving of the conveyor belt (A) and (B), the transmission rotary. A feeding hole (A) and sends out between a (B) conveyor belt is provided with a speed is difference layers; the transmission (D) of the upper space operation. Transmission (D) is arranged between said transmission (H), which is placed feeding (A) and sends shaft (B) conveyor belt, a transmission rail of the conveyor belt when the moving part of the part (E) rotating.