Clamping tool

The utility model discloses a clamping tool which comprises an installation frame and a clamping mechanism, and the installation frame is provided with a positioning end. The clamping mechanism comprises a swing rod assembly, a locking assembly and a driving assembly, the swing rod assembly comprises a swing arm and a swing part, the swing arm is hinged to the mounting frame, a guide hole is formed in the swing arm, one end of the swing part is hinged to the mounting frame, and the other end of the swing part is movably connected with the guide hole through the locking assembly, so that the swing part can drive the swing arm to swing through the locking assembly; the driving assembly is connected with the swing part, the swing part is provided with a locking station, the driving assembly can drive the swing part to swing to the locking station, when the swing part is located at the locking station, the locking assembly and the guide hole are used for limiting swing of the swing arm, and a clamping space is fo