Lathe tool rest convenient to change tool

The utility model relates to the field of lathe tool rests, in particular to a lathe tool rest facilitating tool changing. According to the lathe tool rest convenient and fast to replace the tool, when the fixing screw rod is screwed, the tool is prevented from sliding and deviating accidentally, the installation precision of the tool is improved, a copper sheet is conveniently arranged, and the copper sheet is prevented from being lost. A lathe tool rest facilitating tool changing comprises a bottom plate, a tool rest body, fixing screws, gasket assemblies and the like, the upper side of the left portion of the bottom plate is rotationally connected with the tool rest body, the top of the tool rest body is in threaded connection with the multiple fixing screws, and the multiple gasket assemblies are arranged on the upper portion of the tool rest body. The tool is clamped and fixed at the tool rest mounting part through the mutual matching of the push column and the alignment frame, and the up-down sliding co