Electrolytic copper foil crude foil engine

The utility model relates to the technical field of copper foil production, and discloses an electrolytic copper foil producing machine which comprises an electrolytic tank, a titanium electrode arranged at the bottom of the electrolytic tank, a titanium roller arranged above the electrolytic tank and a first driving unit for driving the titanium roller to rotate, and further comprises a winding device, a polishing wheel, a spraying unit and a water scraping roller which are sequentially arranged in the rotating direction of the titanium roller. The polishing wheel and the water scraping roller are tightly attached to the surface of the titanium roller. The polishing wheel, the spraying unit and the water scraping roller correspond to the titanium roller in length; the spraying unit sprays water to the surface of the titanium roller; the water scraping roller is made of a rubber material, and water collecting grooves are formed in the two sides of the water scraping roller and used for collecting waste water