Full-automatic coarse and fine polishing machine

The invention belongs to the technical field of polishing, and particularly relates to a full-automatic coarse and fine polishing machine which comprises a base, a first support and a second support and further comprises an inner polishing unit connected with the supports and used for polishing the inner wall of a pipeline. The outer polishing unit is connected with the support and used for polishing the outer wall of the pipeline; the driving unit is connected with the first support and used for clamping pipes of different sizes, and by arranging the driving unit, the inner polishing unit and the outer polishing unit, the polishing machine can clamp the pipes of different sizes, and the inner walls and the outer walls of the pipes can be polished at the same time; and the polishing efficiency of the polishing machine is improved while the application range of the polishing machine is widened. 本发明属于抛光技术领域，具体的说是一种全自动粗精抛光的抛光机，包括底座，一号支架，二号支架，还包括，内抛光单元，所述内抛光单元与支架连接，用于对管道内壁进行抛光；外抛光单元，所述外抛光单元与支架连接，用于对管道外壁进行抛光；驱动单元，