Cutting device for threaded coupling elastomer

The utility model discloses a cutting device for an elastomer of a threaded coupling. The utility model relates to the technical field of coupler machining, workbench, a set of oppositely-arranged hydraulic cylinders are installed on the workbench. The ends of the two hydraulic cylinders are each fixedly connected with an ejector rod. A clamping plate is welded at the end part of each of the two ejector rods; a motor is mounted in the bracket; the motor is connected with a cutting device mounted on one side of the bracket through a transmission shaft; the cutting device comprises a bracket, apull rod is arranged on one side of the bracket, the cutting device comprises a chuck and at least six blades, two through holes are formed in knife handles of the blades, studs matched with the through holes are welded to the chuck, and the blades are fixedly connected with the chuck in the mode that locking nuts are screwed with the studs. According to the cutting device for the elastic body ofthe threaded coupling, thr