Circulating fanning mill shutter adjuster

The utility model relates to an air regulating plate mechanism for a circulating aspirator, particularly a drive part. The utility model is mainly provided with a rocking handle, a rocking rod shaft, two connecting rods, two wind direction regulating plate shafts, two air direction regulating plates, an air quantity distributing plate shaft and an air quantity distributing plate, wherein the rocking handle is connected with the rocking rod shaft which is provided with a rocking rod. The rocking rod is hinged with a rocking rod which is arranged on the air direction regulating plate shaft through one connecting rod. The air direction regulating plate shaft is fixed with the air direction regulating plate which is connected with the other air direction regulating plate through hinges on both ends of the connecting rods. The other air direction regulating plate is fixed on the air direction regulating plate shaft. The rocking rod on the rocking rod shaft is hinged with the rocking rod on the air quantity distributing plate shaft through the other connecting rod. The air quantity distributing plate shaft is fixed with the air quantity distributing plate. When the rocking handle is rotated, the rocking handle simultaneously drives the two air direction regulating plates and the air quantity distributing plates to synchronously swing.