Unbiased positioning numerical control lathe

The utility model discloses a non-deviation positioning numerical control lathe which comprises a machine frame, a positioning module is arranged at the upper end of the machine frame and comprises a first installation block, first storage blocks are arranged at the two ends of the first installation block, first storage grooves are formed in the first storage blocks, first guide rails are arranged at the two ends of the first installation block, and first sliding blocks are arranged on the first guide rails. A first sleeve is arranged in the middle of the first mounting block, a first supporting plate is arranged at the lower end of the first sleeve, a third driving motor is arranged at the lower end of the first supporting plate, a third rotating shaft is arranged in the first sleeve, and the lower end of the third rotating shaft is connected with the third driving motor; the upper end of the third rotating shaft penetrates through the first mounting block and is provided with a second positioning block. Th