Telescopic machine for gear machining

The utility model is applicable to the technical field of gear machining, and provides a telescopic machine for gear machining, which comprises a supporting bottom plate, a connecting column is fixedly connected to the top of the supporting bottom plate, a fixing plate is fixedly connected to the top of the connecting column, an air cylinder is mounted on one side of the fixing plate, and an air cylinder is mounted on the other side of the fixing plate. The output end of the air cylinder is fixedly connected with a connecting rod, rotating teeth are installed and connected to the bottom of the connecting rod, the outer side walls of the rotating teeth are connected with a moving plate in an engaged mode, and one side of the moving plate is fixedly connected with a clamping plate. According to the telescopic machine for gear machining, the clamping plates, the fixing plates, the air cylinders, the rotating teeth, the moving plates, the sliding ways and the connecting rods are arranged, so that the distance bet