Tool rest positioning and adjusting device of vertical lathe

The tool rest positioning and adjusting device of the vertical lathe comprises a rotating frame and a fixing frame, a clamping groove is formed in the top of the rotating frame, a lathe tool is clamped in the clamping groove, a worm is rotationally connected to the rotating frame, one end of the worm is connected with a worm gear in an engaged mode, a threaded rod is fixedly connected to the middle of the worm gear, and a limiting block is in threaded connection to the threaded rod. The lathe has the advantages that the worm drives the worm gear to rotate, the limiting block in threaded connection with the threaded rod is convenient to move, the lathe tool is convenient to clamp and fix, the lathe tool is driven to rotate through the servo motor, different lathe tools are convenient to replace and use, the electric push rod is used for driving the ejector rod to move, and the lathe tool is convenient to clamp and fix. And the rotating frame is conveniently positioned and limited, so that the rotating frame is