Tire mould pattern ring laser measuring instrument

The utility model discloses a tire mould pattern ring laser measuring instrument which comprises a base. A working table for placing a tire mould is arranged on the base. A lifting driving device is arranged in the base and is connected with a lifting sliding seat. A rotation driving device is installed on the lifting sliding seat. A laser probe is installed at the top of the rotation driving device and is connected with a computer processing unit. The tire mould pattern ring laser measuring instrument has the advantages that (1) laser measurement is used in a measurement process without contact, friction and deformation, and the measurement precision is raised; (2) a tire mould pattern ring is subjected to continuous rotary scanning in laser measurement, points can be extracted from circle inner surfaces, extraction points can be from tens of thousands to hundreds of thousands, the measurement is accurate, and the working efficiency is high; (3) the tire mould pattern ring laser measuring instrument is conve