Automatic row-aligning and returning device of cotton picker

The utility model relates to the technical field of cotton pickers, in particular to an automatic row-aligning and returning device of a cotton picker, which comprises a swing arm component, a guide plate component and an automatic returning component, one end of the swing arm component is connected with a connecting rod, the other end of the swing arm component is connected with the guide plate component, and the automatic returning component is mounted on a support through a returning component positioning plate. The automatic return assembly comprises a spring and two return plates, the upper ends of the two return plates are installed on the support through a return assembly positioning plate, the two ends of the spring are hung at the lower ends of the two return plates respectively, the lower ends of the return assembly positioning plates are bent to form positioning plate middle-position shafts, a connecting rod middle-position shaft is arranged in the middle of the connecting rod, and the connecting r