Reciprocating ejector for cylindrical packaging boxes

The invention discloses a reciprocating ejector for cylindrical packaging boxes, and relates to the technical field of packaging and conveying machinery. The reciprocating ejector comprises a U-shapedconveying groove used for conveying the cylindrical packaging boxes, and further comprises a rotary reverser; a bracket is fixed at one end of the U-shaped conveying groove; the bracket comprises a first U-shaped frame with one end fixed to the lower surface of the end of the U-shaped conveying groove; the groove channel direction of the first U-shaped frame is perpendicular to the groove channeldirection of the U-shaped conveying groove; a second U-shaped frame corresponding to a channel of the U-shaped conveying groove is fixed at the other end of the first U-shaped frame; a fixed seat used for installing a telescopic pushing-out device is fixed to one side in the channel direction of the first U-shaped frame; and a buffer is fixed on the other opposite side of the first U-shaped frame. According to the recipro