Liquid inlet device of electrolytic copper foil crude foil engine

The utility model belongs to the technical field of foil producing process of electrolytic copper foil, and particularly relates to a liquid inlet device of an electrolytic copper foil producing machine, which comprises a support plate provided with a plurality of through holes. A liquid feeding box is arranged above the supporting plate, a plurality of liquid inlet pipes are arranged below the supporting plate, and the liquid inlet pipes are in one-to-one correspondence with the through holes and are communicated with the through holes; the liquid feeding box comprises a front side plate, a rear side plate, a left side plate and a right side plate, and the front side plate, the rear side plate, the left side plate and the right side plate are sequentially spliced to form the side wall of the liquid feeding box; a plurality of baffles are arranged in the liquid feeding box, the baffles are arranged between every two adjacent through holes, the liquid feeding box is divided into a plurality of areas, a pressur