System and method for the unpacking of a printing-paper roll

Abstract

A system and method for fully automatic unpacking of a printing-paper roll is disclosed. The system includes a) a station for automatic removal of end cover packagings from a packed printing-paper roll, b) a station for automatic severing of the circumferential packaging on a printing-paper roll, c) a station for automatic removal of the severed circumferential packaging, and d) a conveying device which moves a packed printing-paper roll automatically into the station for removal of the end cover packagings, automatically moves the printing-paper roll from the station for removal of the end cover packagings into the station for severing the circumferential packaging, automatically moves the printing-paper roll from the station for severing the circumferential packaging into the station for removal of the circumferential packaging, and moves the unpacked printing-paper roll automatically out of the station for removal of the circumferential packaging.

1 . A system for the fully automatic unpacking of a printing-paper roll, comprising: 
 a) a station for automatic removal of an end cover packaging from a packed printing-paper roll;    b) a station for automatic severing of a circumferential packaging on the printing-paper roll with removed end cover packaging, the station for severing the circumferential packaging adjoining the station for removing the end cover packaging;    c) a station for automatic removal of the circumferential packaging from the printing-paper roll having severed circumferential packaging, the station for removal of the circumferential packaging adjoining the station for severing the circumferential packaging; and    d) a conveying device which moves the packed printing-paper roll automatically into the station for removal of the end cover packaging, which conveying device automatically moves the printing-paper roll, with the end cover packaging removed therefrom, from the station for removal of the end cover packaging into the station for severing the circumferential packaging, which conveying device automatically moves the printing-paper roll having severed circumferential packaging from the station for severing the circumferential packaging into the station for removal of the circumferential packaging, and which conveying device, furthermore, moves an unpacked printing-paper roll automatically out of the station for removal of the circumferential packaging.    
     
     
         2 . The system according to  claim 1 , wherein the station for automatic removal of the end cover packaging has at least one cutting device for removing the end cover packaging and at least one holding device for holding a removed end cover packaging.  
     
     
         3 . The system according to  claim 1 , wherein the station for automatic removal of the end cover packaging has two cutting devices and two holding devices for simultaneous removal of two end cover packagings on the packed printing-paper roll.  
     
     
         4 . The system according to  claim 2 , wherein the cutting device is configured as a stationary separating blade and the holding device is configured as a spreadable mandrel, wherein the separating blade is introduced into the end cover packaging at a predefined relative position for the removal of the end cover packaging on a corresponding end side of a packed end cover packaging, and wherein the packed printing-paper roll is rotated with respect to the stationary separating blade while the predefined relative position is maintained, in order to remove the end cover packaging.  
     
     
         5 . The system according to  claim 1 , wherein the station for automatic severing of the circumferential packaging comprises a stationary severing device which is positioned in a region of the conveying device and severs the circumferential packaging automatically by utilizing a translatory relative movement between a moving printing-paper roll and the stationary severing device.  
     
     
         6 . The system according to  claim 5 , wherein the severing device is positioned in the region of the conveying device in such a way that a translatorily moving printing-paper roll passes over the stationary severing device, and the severing device in the process automatically severs the circumferential packaging.  
     
     
         7 . The system according to  claim 5 , wherein the severing device is positioned between two adjacent conveying sections of the conveying device.  
     
     
         8 . The system according to  claim 1 , wherein the station for automatic removal of the circumferential packaging has two winding devices for the automatic winding of a severed circumferential packaging.  
     
     
         9 . The system according to  claim 8 , wherein, in order to wind the severed circumferential packaging, the printing-paper roll is rotated with respect to the winding devices, wherein the winding devices are stationary relative to the printing-paper roll and wherein the winding devices rotate.  
     
     
         10 . The system according to  claim 1 , wherein the station for automatic removal of the circumferential packaging is assigned a delivery device for holding and/or temporarily storing a wound-up circumferential packaging.  
     
     
         11 . The system according to  claim 10 , wherein the delivery device has devices for compressing the wound-up circumferential packaging and/or devices for holding together a wound-up and compressed circumferential packaging.  
     
     
         12 . The system according to  claim 11 , wherein the devices for compressing are configured as a pressing device and the devices for holding together are configured as a needle device.  
     
     
         13 . A method for the fully automatic unpacking of a printing-paper roll, comprising the steps of: 
 a) automatically moving a packed printing-paper roll by a conveying device into a station for removal of an end cover packaging, wherein the end cover packaging is removed automatically from the packed printing-paper roll in the station for removal of the end cover packaging;    b) subsequently moving the printing-paper roll with the end cover packaging removed therefrom automatically from the station for removal of the end cover packaging into a station for severing a circumferential packaging, wherein the circumferential packaging is severed automatically in the station for severing the circumferential packaging;    c) moving automatically the printing-paper roll with the severed circumferential packaging by the conveying device from the station for severing the circumferential packaging into a station for removal of the circumferential packaging, wherein the circumferential packaging is removed automatically in the station for removal of the circumferential packaging; and    d) subsequently moving an unpacked printing-paper roll by the conveying device out of the station for removal of the circumferential packaging.    
     
     
         14 . The method according to  claim 13 , wherein, in step a), a stationary cutting device is moved to a corresponding end side of the packed printing-paper roll and introduced into the end cover packaging at a predefined relative position, in order to remove the end cover packaging, wherein the packed printing-paper roll is rotated with respect to the stationary cutting device while the relative position is maintained, in order to remove the end cover packaging.  
     
     
         15 . The method according to  claim 13 , wherein, in step b), the printing-paper roll is moved translatorily relative to a stationary severing device of the station in order to sever the circumferential packaging, and wherein the circumferential packaging is severed automatically by utilizing a translatory relative movement between the printing-paper roll and the stationary severing device.  
     
     
         16 . The method according to  claim 13 , wherein, in step c), the severed circumferential packaging is wound up and removed by rotating the printing-paper roll with respect to winding devices, wherein the winding devices are stationary relative to the printing-paper roll and wherein the winding devices rotate.  
     
     
         17 . A system for the automatic unpacking of a printing-paper roll, comprising: 
 a packaging removal apparatus, including: 
 a) an end cover packaging removal station;  
 b) a circumferential packaging severing station located at a downstream position in a work flow direction from the end cover packaging removal station; and  
 c) a circumferential packaging removal station located at a downstream position in the work flow direction from the circumferential packaging severing station; and  
   a conveying device disposed adjacent to the packaging removal apparatus.    
     
     
         18 . The system according to  claim 17 , wherein the circumferential packaging removal station includes a severed circumferential packaging storage device.  
     
     
         19 . A method for unpacking a printing-paper roll, comprising the steps of: 
 a) moving the printing-paper roll into an end cover packaging removal station by a conveying device;    b) automatically removing an end cover packaging from the printing-paper roll by the end cover packaging removal station;    c) moving the printing-paper roll by the conveying device from the end cover packaging removal station into a circumferential packaging severing station;    d) automatically severing a circumferential packaging from the printing-paper roll by the circumferential packaging severing station;    e) moving the printing-paper roll by the conveying device from the circumferential packaging severing station into a circumferential packaging removal station; and    f) automatically removing the severed circumferential packaging from the printing-paper roll by the circumferential packaging removal station.    
     
     
         20 . The method according to  claim 19 , wherein the step of automatically removing the severed circumferential packaging from the printing-paper roll includes the step of winding up the severed circumferential packaging.