Novel turning tool rest capable of accurately positioning

The utility model provides a novel turning tool rest capable of accurately positioning, which relates to the technical field of machining and manufacturing, and has the advantages that when a turning tool body is newly assembled on the tool rest, the relative position of a turning tool and the tool rest is fixed, so that the tool setting operation of re-identifying a tool nose point of a machine tool is saved; the automatic lathe tool rest is used in cooperation with a mechanical arm, automation is easier to achieve, and the automatic lathe tool rest comprises a lathe tool rest body, an outer circle lathe tool rest body and an inner hole lathe tool rest body are arranged on the lathe tool rest body, and connecting bolts are connected between the outer circle lathe tool rest body and the inner hole lathe tool rest body and the lathe tool rest body; a tool groove is formed in the inner hole turning tool rest, an outer circle turning tool body is movably installed in the tool groove, two elastic pressing mechani