Workpiece clamping tool capable of ensuring efficient and safe overturning

The utility model discloses a workpiece clamping tool capable of ensuring efficient and safe overturning, and belongs to the technical field of part machining equipment. Comprising a first rotating disc and a second rotating disc which are oppositely arranged, a first rotating shaft is inserted into the middle of the first rotating disc, a first lifting frame is connected to the rear end of the first rotating shaft, a first limiting seat is arranged at the joint of the first lifting frame and the first rotating shaft, and the first limiting seat is fixedly connected to the first lifting frame; the surface of the first rotating shaft is sleeved with a large fluted disc, and a servo motor is arranged on one side of the bottom of the first lifting frame. The first rotating disc and the second rotating disc which are opposite to each other are arranged, the clamping device is arranged between the first rotating disc and the second rotating disc, the large fluted disc is coaxially arranged at the rear end of the f