Catalyst granulating device

The utility model relates to the technical field of catalyst manufacturing, in particular to a catalyst granulating device which comprises a box body, supporting columns are installed on the periphery of the bottom of the box body, two sieve plates are placed on one side of the box body, the two sieve plates are arranged in a spaced mode and both penetrate through the box body in a sliding mode, and a support is installed on one side of the box body. A first rotating shaft is installed in the middle of one side of the support through a bearing, second rotating shafts are placed at the two ends of one side of the support, the two second rotating shafts penetrate through the support through bearings and are provided with rotating discs, and the two second rotating shafts are connected with the first rotating shaft through a transmission mechanism; connecting rods are hinged to the two hinge seats, third rotating shafts are placed on the sides, away from the rotating disc, of the two connecting rods, and the two