Composite horizontal multi-joint robot

The utility model discloses a composite horizontal multi-joint robot, and relates to the field of SCARA robot structures. The SCARA structure type mechanical parts are integrally installed on the same rotatable moving base part, the number of the SCARA structure type mechanical parts can be 2-4, and the degree of freedom of each SCARA structure type mechanical part can be 4 or 3. The composite horizontal multi-joint robot comprises a base, a rotating large arm rotationally connected to the base and an SCARA installed on the rotating large arm. The base is provided with a rotating big arm driving mechanism which is connected with the rotating big arm, the rotating big arm driving mechanism drives the rotating big arm to rotate, the big arm of the SCARA manipulator is hinged to the rotating big arm, the rotating big arm is further connected with a big arm driving mechanism, and the big arm driving mechanism drives the big arm to rotate. The composite horizontal multi-joint robot is large in movement range and s