Boring positioning clamp

The utility model relates to a boring positioning fixture which comprises a base, a positioning column, boring rods, boring rod seats and V-shaped seats, the two ends of the base are respectively provided with the boring rod seats, boring sleeves are arranged on the boring rod seats, the boring rods penetrate through the boring sleeves, the V-shaped seats are arranged between the boring rod seats,the axes of the V-shaped seats are parallel to the axes of the boring rods, and pressing plates are arranged on the V-shaped seats. The positioning column is arranged on one side of the V-shaped seat, the lower end of the positioning column is fixedly connected with the base, and a reference surface is arranged on the side face of the base, forms an included angle with the length direction of thebase and is parallel to the axis of the boring rod. By means of the V-shaped seat, a workpiece can be well supported, the machining end face of the workpiece can be positioned through the positioningcolumn, machining of a low