Installation for a material web

Abstract

An installation includes a guide arrangement, guiding a material web, a conveying speed detection device, detecting a conveying speed of the conveyed material web, and a winding arrangement arranged downstream from the conveying speed detection device. The winding arrangement includes a rotatably mounted winding device, winding up the material web. The winding device is non-circular in cross section at least in a material web winding-up region, folding the material web. The winding arrangement has a rotary drive, in driving connection with the winding device, driving the winding device in rotation. An actuating device is at least temporarily in signal communication with the conveying speed detection device for receiving conveying speed signals therefrom, characterizing the respective conveying speed of the material web, and is at least temporarily in signal communication with the rotary drive for actuating the latter upon folding the material web in dependence on the conveying speed signals.

In the claims: 
     
         1 . An installation for a material web, the installation comprising
 a) a guide arrangement for guiding the material web,   b) a conveying speed detection device for detecting a conveying speed of the material web conveyed in a conveying direction,   c) a winding arrangement arranged downstream from the conveying speed detection device in the conveying direction, wherein the winding arrangement comprises
 i) a rotatably mounted winding device for winding up the material web, wherein the winding device, at least in a material web winding-up region, is configured to be non-circular in cross-section for folding the material web, and 
 ii) a rotary drive, being in driving connection with the winding device, for driving the winding device in rotation, and 
   d) an actuating device which
 i) is at least temporarily in signal communication with the conveying speed detection device for receiving conveying speed signals therefrom, characterizing the respective conveying speed of the material web, and 
 ii) is at least temporarily in signal communication with the rotary drive for actuating the latter upon folding the material web ( )in dependence on the conveying speed signals. 
   
     
     
         2 . The installation according to  claim 1 , wherein the winding device is formed as a polygon in cross-section at least in the material web winding-up region. 
     
     
         3 . The installation according to  claim 1 , wherein the winding device, at least in the material web winding-up region, is configured as one of the group of an ellipse and essentially an ellipse in cross-section. 
     
     
         4 . The installation according to  claim 1 , wherein the actuating device actuates the rotary drive differently in dependence on an existing number of layers of the material web on the winding device. 
     
     
         5 . The installation according to  claim 1 , wherein a maximum angular speed of the winding device ( )while winding up the material web decreases with an increase of layers of the material web on the winding device. 
     
     
         6 . The installation according to  claim 1 , wherein a minimum angular speed of the winding device while winding up the material web decreases with an increase of layers of the material web on the winding device. 
     
     
         7 . The installation according to  claim 1 , wherein the actuating device actuates the rotary drive differently in dependence on a folding progress. 
     
     
         8 . The installation according to  claim 1 , wherein the winding device rotates most slowly when folds are produced in the material web. 
     
     
         9 . The installation according to  claim 1 , wherein the winding device rotates faster when the material web is received on the winding device than when folds are produced. 
     
     
         10 . The installation according to  claim 1 , further comprising a material web weakening apparatus arranged upstream from the winding arrangement in the conveying direction for producing target bending lines in the material web. 
     
     
         11 . The installation according to  claim 10 , wherein between the winding arrangement and the material web weakening apparatus a target bending line distance detecting device for detecting distances between successive target bending lines in the material web is arranged, wherein the actuating device is at least temporarily in signal communication with the target bending line distance detecting device for detecting a respective distance between successive target bending lines in the material web and actuates the material web weakening apparatus in dependence on an existing number of layers of the material web on the winding device. 
     
     
         12 . The installation according to  claim 1 , wherein the actuating device actuates the rotary drive so that the conveying speed of the material web remains constant. 
     
     
         13 . The installation according to  claim 1 , wherein the winding device together with the wound-up material web is replaceable. 
     
     
         14 . The installation according to  claim 1 , further comprising at least one splicing arrangement for producing one of the group comprising a continuous material web and a partial web thereof, wherein the at least one splicing arrangement comprises a storage device for storing one of the group comprising the material web and partial web thereof and for conveying the material web uninterruptedly when the winding device is replaced. 
     
     
         15 . The installation according to  claim 1 , wherein the winding device comprises an information unit ( 27 ) with changeable information about at least one of the group comprising the material web and winding. 
     
     
         16 . The installation according to  claim 1 , further comprising a corrugated cardboard arrangement ( 2 ), arranged upstream from the guide arrangement in the conveying direction of the material web, for producing a corrugated cardboard web which forms the material web. 
     
     
         17 . A method, comprising
 guiding of a material web by means of a guide arrangement,   detecting a conveying speed of the material web conveyed in a conveying direction by means of a conveying speed detection device,   winding up of the material web by means of a rotatably mounted winding device of a winding arrangement arranged downstream from the conveying speed detection device in the conveying direction, wherein the winding device is configured to be non-circular in cross section, at least in a material web winding-up region, for folding the material web,   rotationally driving the winding device by means of a rotary drive of the winding arrangement, wherein the rotary drive is in driving connection with the winding device,   receiving conveying speed signals characterizing the respective conveying speed of the material web from the conveying speed detection device, which is at least temporarily in signal communication with an actuating device, and   actuating the rotary drive upon folding the material web in dependence on the conveying speed signals by means of the actuating device, wherein the rotary drive, for this purpose, is at least temporarily in signal communication with the actuating device.   
     
     
         18 . The installation according to  claim 1 , wherein the installation is configured for a corrugated cardboard web. 
     
     
         19 . The installation according to  claim 2 , wherein the winding device has between three and eight corners in cross-section. 
     
     
         20 . The installation according to  claim 2 , wherein the winding device has between three and six corners in cross-section.