Simple tool rest of fine boring tool

The utility model provides a simple tool rest of a fine boring tool, and belongs to the technical field of boring machining. The simple tool rest of the fine boring tool comprises a base and a fine boring tool assembly, the base comprises a supporting plate, a square box and connecting pieces, the two opposite sides of the square box are hollowed out, the number of the connecting pieces is at least four, the square box is installed on the top of the supporting plate through the connecting pieces, two grooves are formed in the top of the square box, and the fine boring tool assembly is arranged in the grooves. The fine boring cutter assembly comprises a fixing plate, sliding blocks, locking bolts, a connecting shaft, a connecting column and a fine boring cutter body, a square box is fixed to the corresponding position of a supporting plate through a connecting piece, the positions of the two sliding blocks can be adjusted through the locking bolts, a first strip-shaped hole and a second strip-shaped hole, and