Lifting V-shaped frame capable of moving back and forth for deep hole drill

The utility model discloses a liftable V-shaped frame capable of moving back and forth for a deep hole drill, which is characterized in that a movable frame is arranged at the upper end of a base, guide grooves are symmetrically opened and closed on two sides in the movable frame, two guide plates are attached to the inner walls of the guide grooves in a sliding manner, and a V-shaped bracket is fixedly connected between the two guide plates; the workpiece clamping device has the advantages that a workpiece is firstly placed on the V-shaped bracket, then one end of the workpiece is fixed on the chuck clamp, the movable frame can be moved along the sliding groove according to the length of the workpiece to adjust the position of the V-shaped bracket, and after adjustment is completed, the workpiece can be fixed on the V-shaped bracket, and the workpiece can be fixed on the V-shaped bracket. The sliding blocks can be fixed in the sliding grooves by screwing down the fastening rotary knobs, so that the movable f