Novel full-automatic tooth mouth positioning mechanism of bottle blowing machine

The utility model discloses a novel full-automatic tooth mouth positioning mechanism of a bottle blowing machine. The novel full-automatic tooth mouth positioning mechanism comprises a machine base and a bottle preform fixing piece, a first positioning magnet is arranged on the side of the base; the bottle preform fixing parts are arranged on the machine base, each bottle preform fixing part is arranged on the machine base in a rotatable and movable mode, each bottle preform fixing part is provided with a second positioning magnet attracted with the corresponding first positioning magnet, and each bottle preform fixing part is provided with a positioning structure used for fixing one bottle preform. According to the utility model, the first positioning magnet and the second positioning magnet are arranged, and the magnetic force of the magnets is utilized to control the steering of the bottle preform so as to realize the positioning of the mouth of the bottle preform, thereby reducing errors, eliminating the