Novel blood purification pipeline fixing device

The utility model discloses a novel blood purification pipeline fixing device which comprises a base, a supporting plate is arranged above the base, supporting guide columns are fixed between the base and the supporting plate, push plates connected to the supporting guide columns in an inserted mode are arranged below the supporting plate, a V-shaped groove is formed in the base, and a frame body is fixed to the top end of the supporting plate. A first inserting hole and a second inserting hole are formed in the frame body, the section diameter of the second inserting hole is smaller than that of the first inserting hole, a pressing block is connected to the second inserting hole in an inserted mode, a round block is fixed to the bottom of the pressing block, the section diameter of the round block is larger than that of the second inserting hole, and the section diameter of the round block is smaller than that of the first inserting hole. A first thread is arranged on the outer contour face of the round bloc