Machine tool clamping mechanism

The utility model provides a machine tool clamping mechanism, and belongs to the technical field of machinery. The problem that an existing clamping mechanism affects the machining precision of workpieces is solved. The machine tool clamping mechanism comprises a base with a center hole and a hollow main shaft horizontally arranged in the center hole, the two ends of the main shaft extend out of the center hole, an elastic chuck is arranged at the front end of the main shaft, the rear end of the elastic chuck extends into the main shaft, and the elastic chuck and the main shaft are matched through a conical surface; a pull rod is arranged between the connecting rod and the elastic chuck, the front end of the pull rod is fixedly connected with the elastic chuck, a mounting hole allowing the rear end of the pull rod to be inserted therein is axially formed in the front end of the connecting rod, a circle of through hole penetrates through the side wall of the mounting hole in the radial direction, and a ball is