Method for efficiently reducing bubbles on surface of aluminum bar and using device thereof

The invention discloses a method for efficiently reducing bubbles on the surface of an aluminum bar and a using device thereof. The using device comprises a base, a supporting column, a concave cavity and a hydraulic rod, wherein the supporting column is fixed on one side of the upper end of the base, the concave cavity is formed in the upper end of the supporting column, the hydraulic rod is fixed in the concave cavity, a fixing frame is installed at the top end of the hydraulic rod, a material guide hopper is arranged on the fixing frame, a material guide pipe is arranged at the bottom end of the material guide hopper, and a magnetic plate is installed in the material guide hopper. The method and the using device have the beneficial effects that an electric push rod, a scraping plate and a connecting rod are arranged, in the bubble eliminating process, the electric push rod enables the scraping plate to move up and down in a mold cavity through the connecting rod, then the bubbles gathered on the inner wall