| 摘要 |
PURPOSE: A cutting device of double wall bellows pipe cutting system of continuous injection molding process is provided to promptly and accurately cut a double wall bellows pipe continuously injection molded by using two cutters that are rotated in a semicircular shape in cutting the double wall bellows pipe. CONSTITUTION: In a cutting device of a double wall bellows pipe comprising an injection length sensor(20) for sensing injection length of a double wall bellows pipe; an operating body(30) that is slidingly coupled to a fixed body(10); a gripping device(40) for gripping the double wall bellows pipe injection molded from the operating body(30); a cutting unit(50) that is installed at the operating body(30) to cut the double wall bellows pipe gripped by the gripping device(40); and a controller for controlling the injection length sensor(20), operating body(30), gripping device(40) and cutting unit(50), the cutting device of double wall bellows pipe cutting system of continuous injection molding process is characterized in that the cutting unit(50) comprises two cutters in which trajectory of the cutting saw blade(51) forms a semicircular trajectory having the same diameter as the double wall bellows pipe(53), the cutters comprises a cutting saw blade(51) which is fixed to the operating body(30) by means of a two-joint arm(52) and rotated by a cutting motor, an arm actuator(53) for unfolding the two-joint arm(52) to which the cutting saw blade(51) is coupled, and a rotation actuator(54) for rotating the arm actuator(53), and stroke sensors for sensing stroke length of each piston rods are installed at the arm actuator(53) and the rotation actuator(54).
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