Intermittent conveying device

The intermittent conveying device is good in circularity, high in conveying and positioning precision, low in space occupancy rate and high in extensibility. The conveying device comprises a conveying frame, a trolley track is arranged at the upper end of the conveying frame, a plurality of carrier trolleys are arranged on the trolley track in a sliding mode, an intermittent driving mechanism used for driving the carrier trolleys to move is arranged on one side of the conveying frame, and a backflow conveying mechanism is arranged at the lower end of the conveying frame. A trolley feeding mechanism and a trolley discharging mechanism are arranged at the two ends of the conveying frame respectively, the trolley feeding mechanism is connected with the feeding end of the trolley track and the discharging end of the backflow conveying mechanism, and the trolley discharging mechanism is connected with the discharging end of the trolley track and the feeding end of the backflow conveying mechanism. The device is ap