Polishing device for machining of stainless steel pipe

The invention discloses a polishing device for machining of a stainless steel pipe. The polishing device comprises a hydraulic telescopic cylinder, a motor, a fixed installing sleeve and a pipe body.The bottom of the hydraulic telescopic cylinder is fixed to an extending bottom plate. One end of the extending bottom plate is connected in a support seat. A side edge ball is fixed to the outer sideof an installing disc. The fixed installing sleeve is fixed to the left side face of the installing disc. The pipe body and the outer sides of first polishing rollers are attached to each other. A fixed table is fixedly welded to the top of the hydraulic telescopic cylinder. An extending table is connected to the right side of the fixed table. A second threaded rod penetrates through the fixed table to be connected with a bearing. The left side face of the installing disc is provided with a sliding groove. Side edge blocks are welded to the outer side of a movable installing sleeve symmetrically. According to the poli