Blind pin puller

The utility model discloses a blind pin puller, which relates to the technical field of mechanical installation equipment, and adopts the specific scheme that the blind pin puller comprises a guide rod, a sliding block is sleeved on the middle section of the guide rod, a step is arranged at the top end of the guide rod to prop against the sliding block, and the bottom end of the guide rod is fixedly connected with a first end of a pin pulling chuck; a through hole used for clamping the blind pin is formed in the second end of the pin pulling chuck, a plurality of notches are evenly formed in the through hole in the axis direction of the pin pulling chuck, the peripheral side of the second end of the pin pulling chuck is in threaded connection with the fixing piece, and the inner diameter of the through hole is smaller than the outer diameter of the blind pin. The technical problems that an existing pin puller has certain requirements for the wall thickness of a front pull rod and the wall thickness of a chuck