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[CN 201811373568.2] A 2.5D Preform Weft Yarn Shear Mechanism
[CN 201811373568.2] Title of a 2.5D Preform Weft Yarn Shearing Mechanism: Application Number of a 2.5D Preform Weft Yarn Shearing Mechanism: CN 201811373568.2 Applicant: Application Date of Sinoma Technology Co., Ltd.: 2018-11-19 Patent Type: Application of the Invention The present invention discloses a 2.5D Preform Weft Yarn Shearing Mechanism, which is used to cut the weft of the preform, the bracket has a mounting end and a free end. The mounting end of the bracket is hinged on the frame through a rotating shaft. A circular blade and a first motor for driving the circular blade to rotate are rotatably installed on the free end of the bracket; A piston cylinder, the piston rod of the piston cylinder movably abuts on the lower side of the bracket, and the bracket can swing up and down with the piston rod and the rotating shaft as the central axis, thereby driving the circular blade to swing up and down; when the piston rod extends upward, the circular blade is located above the weft yarn. When the piston rod retracts downward, the bracket swings downward, causing the circular blade to move downward and cut the weft yarn. With the present invention, the automatic operation is realized by controlling the first motor and the piston cylinder, so as to achieve the realization of automatic knitting of the 2.5D knitting machine, so as to reduce labor and improve the weaving efficiency.
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