Transfer device based on locking guide columns

The invention relates to a transfer device based on locking guide columns, and belongs to the technical field of transfer equipment. The device comprises a transfer tray, a welding mounting plate is arranged at the bottom of the transfer tray, and a guide column is assembled on the welding mounting plate and arranged in a guide rail; the guide rail structurally comprises a U-shaped groove, a track is laid in the U-shaped groove, the track is of a continuous concave-convex structure, and the track is in contact fit with the bottom of the guide column; a sliding lock pin stretching out and drawing back in the guide column is arranged at the bottom of the guide column, the sliding lock pin penetrates through the bottom face of the guide column and stretches out, and the bottom of the sliding lock pin comprises a side plane used for making parallel contact with the side face of the track and an inclined plane used for making sliding contact with the inclined face of the track. A plurality of guide columns are arr