Method and apparatus for roll changing on a winder device

Details Method and apparatus for roll changing on a winder device Method and apparatus for roll changing on a winder device

1980-07-02

1982-04-27

McCarthy, Edward J.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 1920

Patent

active

043266797

ABSTRACT:
A web cutting blade is secured to an articulated arm which moves the blade towards and away from the web to be severed. The blade is moved to a position adjacent a free span of the web and is held in a stationary position during the severing of the web. A web guide shoe is also mounted on the articulated arm and captures the severed end of the web and directs it around a new core so that it will envelop the core and begin winding on the core so that the roll change can be effected during a continuous web movement. A web defelector member positioned on an opposite side of the web from the cutting blade is also mounted on an articulated arm which can move the deflector towards and away from the web. After the blade has been positioned adjacent the web, the deflector member urges the web into engagement with the blade so that the web will be cut due to the movement of the web across the blade. An enveloper roll is also supported on the side of the web opposite the knife by a further articulated arm which moves the enveloper roll into engagement with the web and urges the web to envelop a portion of the periphery of the new core, after which the deflector member forces the web into engagement with the blade to cause its severance.

REFERENCES:
patent: 3383062 (1968-05-01), Meihofer
patent: 3734423 (1973-05-01), Katdoka
patent: 3871595 (1975-03-01), Smolderer
patent: 4058267 (1977-11-01), Schuttler

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