Gear intelligent double-meshing instrument anti-tooth-collision automatic tooth feeding method based on laser sensor

The invention discloses a laser sensor-based gear intelligent double-engaging instrument anti-tooth-collision automatic tooth feeding method. As the relative positions of a tooth crest and a tooth groove are not fixed when a measured gear is meshed with a standard gear, the condition that the tooth crest of the measured gear collides with the tooth crest of the standard gear often occurs. The method comprises the following steps that a laser displacement sensor transmits analog quantity to a controller module through light rays optically reflected to a tooth groove; accessing and reading the register address by a software bottom layer to read the analog quantity in the register address; when the mechanical arm grabs the gear to rotate and work, the mechanical arm can automatically rotate by an angle of a tooth pitch according to a gear parameter RZ axis, and in the rotating process, the laser displacement sensor is matched to recognize tooth top information of the measured gear; after adjustment is completed,