| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent a wrinkle in bonding sheets and reduce waste of the sheet as much as possible by detecting a sheet terminal of a roll body without making a terminal mark on the sheet.SOLUTION: A sheet feeding device 1 includes a roll body 2 with a band-like sheet 21 wound around a roll core 22; a roll support shaft 3 which supports the roll body 2; and a sheet terminal detection part 4 which detects a sheet terminal of the roll body 2. The sheet terminal detection part 4 includes: a roller 45 which is in contact with an outer circumference surface of the roll body 2; an arm part 44 which has a roller 45 mounted on a tip part and of which a base part is supported by a fixing member so as to swing; and a photoelectric sensor 5 which is mounted in a vicinity of the roller 45 of the arm part 44 and detects the sheet terminal wound around the roll core 22. By cutting the sheet based on a sheet terminal detection result by the photoelectric sensor 5 and bonding the sheet to another sheet, looseness on the sheet 21 is prevented and the sheets are bonded so as not to form a wrinkle, and waste of the sheet 21 can be reduced as much as possible.</p> |
