Polishing machine

The utility model relates to the technical field of polishing machines, in particular to a polishing machine which comprises a working table, a supporting rod, a pressing mechanism and a pushing mechanism, the top of the working table is connected with a supporting plate through the supporting rod, and a polishing assembly is arranged behind the working table. The pressing mechanism comprises a box body mounted at the bottom of the supporting plate and a first air cylinder mounted in the box body, and the extension end of the first air cylinder extends out of the box body to be connected with a pressing plate; the pushing mechanism comprises a movable plate sliding in the width direction of the workbench, a pushing plate is fixedly arranged on the side, close to the polishing assembly, of the movable plate, and the pushing plate is located in front of the pressing plate and used for pushing the polished object to the position below the pressing plate. According to the polishing machine, the collecting groove