Food-grade cyclone separator

The utility model discloses a food-grade cyclone separator, which belongs to the technical field of cyclone separators, and comprises a separator main body, an air inlet pipe and a support frame, the separator main body is fixedly supported on the support frame, the food-grade cyclone separator further comprises an air exhaust pipe, and one end of the air exhaust pipe is inserted into the upper end in the separator main body; the upper end of the folding elastic rubber pipe is connected with the exhaust pipe, and a filter screen is arranged at the bottom end of the folding elastic rubber pipe; one end of the knocking rod is inserted into the exhaust pipe in a sliding and sealing manner, and is connected with the pneumatic assembly; according to the utility model, the filter screen can be knocked through the pneumatic assembly, so that the filter screen is prevented from being blocked, manual cleaning and replacement are not needed, the operation is simple, and powder in gas can be fully separated through seri