Rolling mill housing machining device

The invention discloses a rolling mill housing machining device, and relates to the technical field of metallurgical production equipment. The rolling mill housing machining device comprises a stand mounted on a fixed seat; a cross beam is mounted on the stand through a first guide rail; the cross beam is connected with a Y-axial feeding driving mechanism; the cross beam is provided with a millinghead sliding seat through a second guide rail; the milling head sliding seat is connected with an X-axial feeding driving mechanism; a milling head device is mounted on the milling head sliding seatthrough a dividing plate; the milling head device is provided with a main shaft for mounting a milling cutter. Compared with the prior art, the rolling mill housing machining device disclosed by the invention has the advantages of ensuring that the planeness of the inner side surface and the bottom surface of a rolling mill housing window meets the technical requirements by adopting milling machining, so as to guarantee th