Rolling oil recovery mechanism

The utility model relates to the technical field of rolling oil recovery, and discloses a rolling oil recovery mechanism which comprises a metal impurity filtering mechanism, an oil-water separator, a four-station filter and an oil pump, the metal impurity filtering mechanism comprises an impurity filtering cylinder, an impurity filtering net cylinder and a cylinder cover, and the cylinder cover can be opened. The oil-water separator is communicated with the impurity filter cartridge through a first oil pipe, the oil inlet end of the four-station filter is communicated with the oil outlet end of the oil-water separator through a second oil pipe, and the four-station filter is provided with four filter elements, so that the oil-water separator can be conveniently taken down according to the quantity of all lubricating oil of the cold rolling mill; the number of the used filter elements is selected, the filter elements which are not used can be directly switched off by closing valves, correspondingly butted wit