Blade gap adjusting device of impact crusher

The utility model discloses a blade clearance adjusting device of an impact crusher, which relates to the technical field of crusher tooling manufacturing, aims to solve the problems of blade clearance adjustment and fixation, and adopts the technical scheme that the blade clearance adjusting device comprises a machine body and a rotating shaft rotationally matched with the interior of the machine body, and a hydraulic cylinder is fixed on one side of the machine body; a groove channel is formed in the middle of the rotating shaft, and a fixing plate is arranged at one end of the groove channel in a sliding fit mode. The telescopic length of the spring can be changed by pushing the fixing plate through the hydraulic cylinder, so that the spring synchronously drives the blades to be in sliding fit with the peripheral side of the rotating shaft, then the gap between the blades is changed according to the material cutting degree, and the adjusted positions of the blades are fixed through the fixing assembly; and