B - Operations – Transporting – 26 – D
Patent
B - Operations, Transporting
26
D
164/112
B26D 9/00 (2006.01) B26D 7/26 (2006.01)
Patent
CA 1264028
Abstract A machine frame mounts a pair of upper and lower girder-like box beams of heavy construc- tion. The upper box beam is provided with a moun- ting means from which is suspended a plurality of up- stream upper scoring assemblies and a plurality of downstream upper slitting assembles . The upper face of the lower box beam also supports a plurality of upstream lower scoring assemblies and a plurality of downstream lower slitting assemblies . The assemblies include slitting or scoring blades which are mounted for rotation with rotatably driven shafts . The box beams extend transversely of a traveling web . Besides the blades, the assemblies include a motor connected to be driven along its beam, and an encoder , with all of the motors and encoders being electrically con- nected to a programmable computer or the like. The computer may be pre-programmed with the position and spacing of all the assemblies, so that upon the provision of a single input signal all of the motors simultaneously drive all of the assemblies to their desired position. Each of the assemblies also carries a bearing block which is engageable by an elongated cam rod extending along the beam. There is a cam rod for each array of assemblies, and rotation of the rod causes simultaneous locking of all assemblies in its array in position along the beam. Adjusting the caliper between opposing scoring blades is accomplished by mounting the upper box beam so that it is pivotable upwardly about the axis of the rotatably driven shaft for the upper slitting assembly blades, which are downstream of the scoring blades. An actuator is controlled to pivot the upper beam, which thereby raises or lowers the upper scoring blades relative to the fixed slitting blades. Ambient temperature gradients within the area in which the device is installed may undesirably affect the dimensional stability of the machine. The problem is essentially solved by internally stabilizing the temperature of the box beams .
514785
Anderson Leland J.
Jourdan James K.
Marschke Carl R.
Marks & Clerk
Marquip Inc.
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