Columnar workpiece surface grinding and polishing machine

The invention discloses a columnar workpiece surface grinding and polishing machine which comprises a rack provided with a control box, two grinding and polishing machine bodies, a workpiece clamp, a reciprocating translation mechanism and an automatic adjusting device. The two grinding and polishing machines are respectively linked with the rack through a first bearing seat and then movably rotate on the table top of the rack; the rack is further provided with an automatic adjusting device used for adjusting the distance between the grinding and polishing working faces of the two sets of grinding and polishing machines. The reciprocating translation mechanism is fixedly connected with the rack and located between the two grinding and polishing machines. A workpiece clamp is fixedly mounted on the reciprocating translation mechanism; according to the cylindrical workpiece surface grinding and polishing machine, two sets of servo control workpieces to rotate and the distance between the two grinding and polish