Press mounting tool for transmission gears of automotive headlights

The invention relates to a press mounting tool for transmission gears of automotive headlights. The press mounting tool comprises a second process rack, a rotational positioning press-mounting mechanism and a rotating disk locking device, wherein the rotational positioning press-mounting mechanism comprises a movable turntable, a turntable driving motor reducer, a pair of positioning devices, a baffle plate and a press mounting device; the movable turntable is movably mounted on the second process rack through a bearing, the turntable driving motor reducer is fixedly mounted on the second process rack, and a power output shaft is connected with the movable turntable in a transmitting mode; the positioning devices are fixedly mounted on the movable turntable respectively, and the baffle plate is fixedly mounted on the movable turntable and partitions off the positioning devices. The press mounting tool has the advantages of reasonable structural design and high automation degree, can automatically complete pre