| 摘要 |
PROBLEM TO BE SOLVED: To surely eliminate a punching residue 13 in a punching device for plastic film.SOLUTION: A punching device for plastic film is configured so that a plastic film 1 is held between the male and female blades 2 and 3; the plastic film 1 is punched by the male and female blades 2 and 3, and the punching residues 13 are inserted in a through-hole 6; further, the punching residues 13 are pushed by the male blade 2, and the residues 13 are protruded from the rear face 5 of the female blade 3; besides, air is sucked by a vacuum exhaust source 8 and an air suction hole 9; an air current 14 generates in a hood 7; and the punching residues 13 are eliminated by the air current 14.SELECTED DRAWING: Figure 1 |
