Valve production clamp

The utility model belongs to the technical field of valve production, and particularly relates to a valve production clamp which comprises an air cylinder, an actuating rod end of the air cylinder is fixedly connected with a supporting plate, two ends of the supporting plate are provided with two installation seats, gears are rotatably installed in the installation seats through rotating shafts in a matched mode, one side of the supporting plate is provided with a servo motor, and the other side of the supporting plate is provided with a servo motor. A sliding strip is installed in the sliding rail in a sliding mode, and a rack is fixedly connected to one side of the sliding strip. The position of the supporting plate is adjusted through the action of the control air cylinder, if the V-shaped pressing plate and the arc-shaped pressing plate are not tightly attached to the valve through pipe, the servo motor can be started, the servo motor drives the gear to rotate through the rotating shaft so as to push the