Pump body clamping device for shield pump machining

The utility model provides a pump body clamping device for shield pump machining, and relates to the technical field of pump machining, the pump body clamping device comprises a base, the top end of the base is fixedly connected with two supporting frames, the top end of the base is fixedly connected with a first servo motor, the output end of the first servo motor is fixedly connected with a first gear, the top end of the base is movably connected with a rotating disc, and the rotating disc is fixedly connected with a second gear. The rotating disc is meshed with the first gear, the top end of the rotating disc is fixedly connected with a linkage column, and the top end of the linkage column is fixedly connected with a movable table. By means of the fastening mechanism, a driving block is rotated to drive a threaded rod to horizontally move in a mounting block and a mounting plate, so that the threaded rod drives two clamping blocks to get close to each other, and meanwhile, a push rod stretches out and draw