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Web or sheet conveying unit for paper converting machines and folding or interfolding machine with such conveying unit
Web or sheet conveying unit for paper converting machines and folding or interfolding machine with such conveying unit
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机译:用于纸张转换机的卷筒纸或片材输送单元以及具有这种输送单元的折叠或夹页机
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摘要
A conveying unit (100) of a web, or sheet, of paper, or similar products, arranged to transfer along a transfer direction the web, or sheet, of paper, having a support (41) having a lateral surface (42) provided with at least one peripheral suction groove (43). A suction belt (45) is arranged to move along a closed trajectory (46) comprising the suction portion (44). The suction belt (45) is configured to air-tightly engage the suction portion and provides at least one through hole (47) arranged to be positioned at a respective suction portion (43) in order to cause a suction effect on the web, or sheet, and to transfer it from a first point P1 to a second point P2 of a production line of paper products. It is, furthermore, provided a driving device (60) configured to move the suction belt (45) with respect to the support (41).
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