Lifting and rotary working table

The invention provides a lifting and rotary working table which comprises a base, wherein a lifting device and a guide sleeve are fixedly arranged on the base, the top end of the lifting device is connected with a lifting table, and a guide pillar matched with the guide sleeve to slide is fixedly arranged at the bottom end of the lifting table; a rotary chassis is fixedly arranged on the top end surface of the lifting table; the lifting table is connected with a rotary table arranged above the lifting table through a rotary shaft, a mounting chassis is fixedly arranged at the bottom end surface of the rotary table, and a roller rolling along the rotary chassis is fixedly arranged on the mounting chassis; the outer walls of the lifting table and the rotary table are connected through a locking plate. The lifting and rotary working table can realize the switching operation for a steel channel and is convenient for a milling surface station to process the two ends of the steel channel, the labor intensity is reduced, and the working efficiency and the safety are improved.