Floating type clamping mechanism

The invention relates to a floating type clamping mechanism. The floating type clamping mechanism is provided with a working platform and a chuck; a clamping rod is arranged on the bottom surface of the working platform, and the chuck can be connected to the clamping rod of the working platform through a releasing or clamping action; and the chuck comprises a foundation base with an actuation chamber formed in the center, the opening end of the foundation base is fixed to a top base in a locked mode, a piston base is arranged in the actuation chamber of the foundation base, a plurality of elastic parts used for supporting the piston base are annularly arranged between the piston base and the top base, a movable base is arranged in the center of the piston base, an annular inclined surface is arranged on the outer side of the top of the movable base and is limited at the opening of the top base, a movable clamping piece moving horizontally is arranged on the periphery of the movable base, and a bottom base bod