An automatic feeder for pipe blank is used for full-automatic hollow container shaper which includes a pipe blank conveying device and a feeding mechanism. It has a pipe blank sliding channel under a blanking unit. The sliding channel has an inclined entrance segment, an arc sliding segment and a pipe blank stop between them. The blanking unit has a telescopic hollow blank inserting head, a blank ejecting plate, lifting rods installed to the circumference of the blank ejecting plate at intervals, and a cam plate matched with the said lifting rods. |