Protective cover for guide rail of machining center

The utility model relates to a machining center guide rail protective cover which comprises a guide rail base, a guide rail is arranged on the upper side of the guide rail base, a movable sliding table is arranged on the guide rail, a protective cover body is arranged on the outer side of the guide rail, one end of the protective cover body is fixed to the side face of the sliding table, and a cleaning device is arranged on the outer side of the protective cover body. The protective cover and the cleaning device move relatively, so that scraps on the outer side of the protective cover are cleaned, in the using process, the protective cover is installed on the side close to the stand column, at the moment, in the machining process, the scraps on the outer side of the protective cover can be cleaned, long-time accumulation of the scraps is avoided, meanwhile, the protective cover of the overall structure is not prone to damage, and the machining efficiency is improved. And meanwhile, the normal processing proce