Alignment mechanism for carton packaging

The utility model provides an aligning mechanism used in carton packing, which comprises a horizontal first supporting table and a second supporting table which is as high as the first supporting table and is arranged at an interval, a packing belt through groove is arranged between the first supporting table and the second supporting table, a cuboid-shaped placing space is arranged above the first supporting table and the second supporting table, and the first supporting table and the second supporting table are arranged in parallel. The packing belt through groove is located below the containing space, a first limiting piece with the L-shaped cross section is vertically arranged at the top of the first supporting table, the inner wall of the first limiting piece is attached to the X end and the Y end of the containing space, and a first driving rod and a second driving rod are rotationally arranged on the second supporting table. The first driving rod can be attached to the-Y end of the containing space or