Needle tubing tubular product fixed length feed arrangement of needle tubing automatic cutting machine

The utility model discloses a needle tubing tubular product fixed length feed arrangement of needle tubing automatic cutting machine, including mounting panel, clamp flitch, clamp flitch fixed length displacement mechanism and clamp flitch opening and closing driving mechanism, double -layered flitch on set up punch holder and the lower plate that sets up including relative up -down, double -layered flitch press from both sides the material recess and press from both sides tight needle tubing tubular product with pressing from both sides flitch crimping cooperation and make at the pressure connection terminal of displacement initial condition lower hem dynamic pressure board, double -layered flitch press from both sides the material recess and loosen mutually with needle tubing tubular product with pressing from both sides that the flitch loosens mutually and make at the pressure connection terminal of the biggest displacement lower hem dynamic pressure board, the double -layered flitch pressure connection terminal of swinging the clamp plate to displacement initial condition when the biggest displacement removes press from both sides the material recess and loosen mutually with needle tubing tubular product with pressing from both sides that the flitch loosens mutually and make. The utility model has the advantages that structural design is reasonable, feeding length uniformity is good.