The utility model discloses a hot blade cutting device for a hollow blow molding machine, characterized in that a mold cavity is used as a mold cavity, the mold cavity is connected with a blowing channel for blowing a plastic film, a cutting opening is arranged at the joint of the blowing channel and the mold cavity, a movably sealing plate capable of sliding horizontally is arranged at the cutting opening, one end of the movably sealing plate is connected with the outer wall of the blowing channel, a cutter is arranged below the movably sealing plate and assembled on a guide rail arranged on the outer wall, the bottom end of the cutter is hinged with a first connecting rod, the first connecting rod is hinged with a second connecting rod, the second connecting rod is eccentrically hinged on a turntable, and the turntable is connected with a driving motor. By arranging the guide rail matched with the cutter and adopting a two-connecting-rod structure driven by the turntable, the cutter automatically extends and retracts when the turntable moves in different directions, and the movable sealing plate moves along with the movement of the cutter.
Country Code: CN
Application Number: CN201721257579.5
