Double-channel shot blasting machine for outer wall of oil pipe

The utility model discloses a double-channel shot blasting machine for the outer wall of an oil pipe, which belongs to the technical field of shot blasting machines and comprises an electric control system, a dust removal system, a rack, a feeding system, a shot blasting system and a discharging system. The feeding system comprises an overturning feeding device and a first V-shaped roller conveying device, the overturning feeding device comprises an overturning air cylinder, a first fixing base is arranged below the overturning air cylinder, the overturning air cylinder is hinged to the first fixing base, the overturning air cylinder is obliquely arranged, the overturning air cylinder is connected with a first connecting rod, and the first connecting rod is connected with the first V-shaped roller conveying device. The two sides of the first connecting rod are connected with overturning arms, and one ends of the overturning arms are hinged to the material frame. According to the double-channel shot blasting m