Automatic flexible platform robot structure

The utility model belongs to the technical field of machine manufacturing, and particularly relates to an automatic flexible platform robot structure which comprises a mechanical arm and a connecting disc, the connecting disc is installed at the end of the mechanical arm, a driving seat is arranged at the bottom of the mechanical arm and arranged in a guide rail in a sliding mode, and a driving rack is arranged on the side wall of the guide rail. A servo motor is installed at the end of the driving seat, a driving gear is connected to the power output end of the servo motor, the driving gear is connected with the driving rack in a meshed mode, rolling wheels are rotationally arranged on the surface of the bottom of the driving seat, and rolling grooves are symmetrically formed in the two sides of the bottom of an inner cavity of the guide rail. The problems that an existing automatic flexible platform robot structure is fixed in a rack in the using process, the operation range is limited by the length of a me