Replaceable single pipe blank feeding device

The utility model discloses a replaceable single pipe blank feeding device, which relates to the technical field of steel pipe processing and comprises a support, a feeding plate is arranged on the support, the top of the feeding plate is connected with a conveying roller through a first guide rail, the bottom of the feeding plate is connected with a second guide rail used for feeding, and the second guide rail is connected with a conveying roller. A plurality of stepped material carrying plates are arranged on the feeding plate, a plurality of through holes allowing material jacking frames to pass through are formed in the feeding plate, the material jacking frames and the material carrying plates are arranged at intervals, the tops of the material jacking frames and the material carrying plates are inclined, the material jacking frames are connected with a driving mechanism used for driving the material jacking frames to move up and down, and each material jacking frame comprises a transverse plate and a ve