Stationary blade adjustable device of coarse powder separator

The utility model discloses an adjustable device for a stationary blade of a coarse powder separator. The adjustable device comprises a lower rotating device, an upper rotating device, a sliding block, a rod end fisheye bearing and a double-end bolt, the number of the lower rotating devices, the number of the upper rotating devices and the number of the sliding blocks are equal to the number of the stator blades and correspond to the stator blades in a one-to-one mode, the bottoms of the stator blades are rotatably connected to the top of the inner straight barrel through the corresponding lower rotating devices, the tops of the stator blades are connected to the upper cover plate through the corresponding upper rotating devices, and the upper rotating devices can drive the corresponding stator blades to rotate. The sliding blocks are mounted on the corresponding upper rotating devices; rod end fisheye bearings are mounted at the two ends of the sliding block; the rod end fisheye bearing at one end of each sl