Steel structure grinding device with automatic cleaning function

The invention discloses a steel structure grinding device with an automatic cleaning function. The steel structure grinding device comprises a main frame, a grinding frame, a storage assembly, a middle plate, a pressing assembly, locking modules and a clamping seat, a vertical seat is fixedly installed on the upper portion of the rear side of the main frame, the clamping seat is fixedly installed in the middle of the vertical seat in a penetrating mode, sliding rods horizontally arranged up and down are fixedly installed on the upper portion of the main frame, the locking modules are installed on the outer sides of the sliding rods in a sleeving mode, and the middle plate is fixedly installed between the two locking modules which are symmetrical up and down. The device is reasonable in structural design, capable of grinding the ends of different pipe fittings, high in adaptability, capable of automatically conducting grinding and polishing, capable of grinding inclined faces at the grinding positions, capable