Take negative angle bending device of circular arc

The utility model relates to a bend mould, especially take negative angle bending device of circular arc, including activity centering block, oblique kicking block and shaping terrace die, activity centering block movable mounting is in the bottom of centering block fixing base, and both sides are equipped with the face of taking shape and oriented slant respectively, the centering block fixing base is installed on the cope match -plate pattern, and ejector pin and spring are equipped with to inside, and oriented slant is just kept away from at the top of activity centering block to an end pressure of ejector pin, and another end pressure is in the one end of spring, the kicking block is installed on the lower bolster to one side, and one side of kicking block is equipped with the extrusion inclined plane to one side, and the oriented slant of extrusion inclined plane and activity centering block is in same one side, shaping terrace die is installed on the lower bolster, and with the shaping face of activity