Winding – tensioning – or guiding – Convolute winding of material – Simultaneous winding
Patent
1997-11-21
1999-09-21
Jillions, John M.
Winding, tensioning, or guiding
Convolute winding of material
Simultaneous winding
2425333, 2425411, 2425415, 242542, 2425423, B65H 1816, B65H 1820, B65H 1930
Patent
active
059542918
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The invention relates to a device for the winding-up of a paper web.
BACKGROUND OF THE INVENTION
Such winding devices have become known under the name of Pope rollers. Herewith the paper web emerging from the paper machine at a high velocity is wound up into a roll. The roll has the width of the paper web, and a correspondingly high weight (so-called jumbo roll).
The roll is then transferred from the Pope roller by crane into the winding-out of the roll-cutting machine. The roll-cutting machine serves primarily to subdivide the very wide paper web into several narrower webs and to rewind them, in which process in the then arising narrower rollers there is generated a certain, mostly as high as possible, winding hardness. Such a machine has accordingly a plurality of cutting apparatuses, mostly circular knife pairs, the circular knives of which are arranged on both sides of the paper web and cooperate with one another in the manner of shears. Furthermore, for the generation of the winding hardness mentioned a loading roller is provided.
By reason of the great weight of the jumbo rolls, in the winding on the carrying drum of the Pope roller, and in the transport from the Pope roller to the roll-cutting machine there occur certain overloadings of certain layer zones, especially of the borders and of the inner layers. This leads to winding faults in the roll-cutting machine, especially in the edge rolls leading the roll-cutting machine. Hereby there results costly waste.
BRIEF SUMMARY OF THE INVENTION
Underlying the invention is the problem of improving the winding process and the cutting process. Thus, the mechanical and the labor expenditures are to be reduced. Furthermore, over-turnings and crease formations in the rolls are to be avoided.
In order to achieve this, the inventors propose a new way. This consists essentially in combining the Pope roller of the paper machine with the roll-cutting machine in construction.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
The invention is explained with the aid of the drawings.
FIGS. 1 to 6 illustrate a first concept of the invention, called "concept 1" in the following.
One perceives the basic elements of a winding machine with the elements according to the invention. The winding machine is engaged directly on the outlet side of a paper machine (not represented here). It can also be a constructive component of the paper production machine and have, for example, the same support.
The winding device according to concept 1 comprises a carrying drum 1, onto which the paper web is brought on one side, the so-called infeed side. The paper machine would therefore be located to the left of the winding device in the drawing.
To the carrying drum there is assigned a winding core 2, for example a tambour, onto which the paper web is directly wound. The winding core 2 has two pivot pins. These pivot pins, which are not represented in detail here, are received in a manner known per se by forks of toggle joints 11. A toggle joint is borne on each face side of the carrying drum, and, namely, in the zone of its axis. The toggle joints 11 serve therefore to carry the winding core 2 and--together with at least one paper roll wound on the winding core 2 in the course of its arising--to swing it around the carrying drum 1 until a delivery position is reached. The same holds when the winding core 2 is a winding rod; this is equipped with a plurality of winding sleeves, and namely in each case corresponding to the desired width of the roll to be generated.
On the infeed side there is present a longitudinal cutter 3 for the cutting-up of the paper web into several strips of the width desired for the paper rolls to be generated. In the case of a relatively narrow paper-production machine, the longitudinal cutter, if so desired, serves only for the separating-off of border strips, so that only a single paper roll is wound up. In this case there can be provided only one tube as winding core, which is guided on its two ends by means of guide heads.
Further there
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Fissmann Hans-Joachim
Meinecke Albrecht
Jillions John M.
Pappas George
Voith Sulzer Papiermaschinen GmbH
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