Novel bottle preform tooth mouth positioning structure of bottle blowing machine

The utility model discloses a novel bottle preform tooth mouth positioning structure of a bottle blowing machine. The novel bottle preform tooth mouth positioning structure comprises a machine base, a mold and a clamping mechanism, the mold is arranged in the machine base, and the clamping mechanism is movably arranged on the machine base so as to clamp the positioned bottle preform into the mold of the machine base; the device further comprises a tooth mouth positioning mechanism, the tooth mouth positioning mechanism is arranged in the machine base, the tooth mouth positioning mechanism comprises a positioning block capable of being close to or away from a bottle preform, and a positioning protruding strip used for being inserted into a tooth mouth of the bottle preform is arranged on the positioning block. According to the utility model, the tooth mouth positioning mechanism is arranged, the tooth mouth positioning mechanism comprises the positioning block which can be close to or far away from the bottle