Integrated injection molding centrifugal fan

The utility model discloses an integrated injection molding centrifugal fan, which relates to the technical field of centrifugal fans, and comprises a bottom plate in a main body mechanism, the lower surface of the bottom plate is fixedly connected with a bottom assembly, the outer wall of the main body mechanism is fixedly connected with a protection mechanism, and the bottom assembly comprises a turntable. A plurality of elastic damping shock absorption pieces are fixedly connected to the upper surface of the rotating disc, a worm wheel is fixedly connected to the center of the lower surface of the rotating disc, and a worm is meshed with the outer wall of the worm wheel. The rotating handle is shaken to enable the worm to be meshed to drive the worm gear and the main body mechanism fixed above the rotating disc to rotate, the self-locking characteristics of the worm gear and the worm are utilized, stable adjustment of the wind direction of the device is achieved, the device is safer and more efficient, the