Multifunctional polishing device for safety valve machining

The utility model relates to the technical field of polishing, and discloses a multifunctional polishing device for safety valve machining, which comprises a polishing head, a motor, a connecting rod, a first bolt, a first fixing plate and a second fixing plate, the left side of the connecting rod is connected with a third fixing plate, and the outer surface of the motor is connected with the interior of the connecting rod; the top of the first fixing plate is connected with the bottom of the motor, the second fixing plate is detachably connected with the first fixing plate through bolts, the top of the grinding head is fixedly connected with the bottom of the second fixing plate, and the top of the connecting rod is connected with an anti-corrosion structure which comprises an anti-corrosion container, a water suction pump, a flow guide pipe, a nozzle and a closed baffle. The anti-corrosion container is connected with the connecting rod, the water suction pump is arranged in the anti-corrosion container, the