Box body plane labeling mechanism

The utility model provides a box body plane labeling mechanism which comprises a base and a vertical plate, a label winding drum is rotatably arranged on the front face of the vertical plate, a label belt is wound on the surface of the label winding drum, and a triangular plate matched with the label belt is fixedly arranged on the front face of the vertical plate and located below the label winding drum. A winding drum matched with the label tape is arranged on one side, located on the label winding drum, of the front face of the vertical plate; a motor is fixedly arranged on the back face of the vertical plate, an output shaft of the motor is connected with a rotating rod, and the end of the rotating rod is connected with a rotating shaft of the winding drum. A threaded rod is arranged in an inner cavity of the vertical plate, a thread on the surface of the threaded rod is sleeved with a threaded sleeve, the front face of the threaded sleeve is fixedly connected with a smoothing rod and a linkage rod, and t