Automatic device for cleaning air filter

The utility model discloses an automatic device for cleaning an air filter, and relates to the technical field of air filter cleaning equipment. The automatic device used for cleaning the air filter comprises a supporting assembly used for supporting the air filter; the positioning assembly is arranged at the middle position of the top surface of the supporting assembly, and the positioning assembly is used for inserting and limiting the air filter placed on the supporting assembly, so that the air filter can conveniently rotate by taking the middle part of the positioning assembly as an axis; the cleaning assembly is arranged on one side of the positioning assembly, the bottom end of the cleaning assembly is connected with the supporting assembly, and the cleaning assembly is used for being externally connected with an air supply pipeline so that the air filter on the positioning assembly can be automatically cleaned. The cleaning labor intensity of workers can be reduced, and damage of dirt to the bodies of