Abstract: A drilling-head-grinding positioning device comprises a clamper for clamping a drilling head having a rectangular sliding rod and a sleeve clamping seat installed at a front end of the sliding rod, a cylindrical clamping device received in the sleeve clamping seat and a nut screwed at a front end of the sleeve clamping seat; and an adjustable seat; and a top of the adjustable seat having a V shape sliding recess corresponding to the periphery of the sliding rod; a bottom of the sliding recess being formed with a receiving trench for receiving a threaded rod; one side of the sliding recess being formed with a communicating groove communicated to the receiving trench; a hook rod being slidably installed in the receiving trench; and a front end of the hook rod being extended upwards with a plate corresponding to a front end of the sliding rod.

Abstract: A drilling-head-grinding positioning device comprises a clamper for clamping a drilling head having a rectangular sliding rod and a sleeve clamping seat installed at a front end of the sliding rod, a cylindrical clamping device received in the sleeve clamping seat and a nut screwed at a front end of the sleeve clamping seat; and an adjustable seat; and a top of the adjustable seat having a V shape sliding recess corresponding to the periphery of the sliding rod; a bottom of the sliding recess being formed with a receiving trench for receiving a threaded rod; one side of the sliding recess being formed with a communicating groove communicated to the receiving trench; a hook rod being slidably installed in the receiving trench; and a front end of the hook rod being extended upwards with a plate corresponding to a front end of the sliding rod.