System for stacking sheets on pallets

US5672045A · kind A · utility

Assignee

• Jagenberg Papiertechnik GmbH · DE

Inventors

• Frank Schmid · Poppenricht, DE
• Ernst Claassen · Goch, DE

Key dates

• Filing date: Nov 10, 1995
• Grant date: Sep 30, 1997
• Expiry date: Nov 10, 2015

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65H2301/42256
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

An apparatus for stacking sheets on pallets has a conveyor belt having horizontally extending upper and lower reaches extending through a stacking station with the upper reach defining a horizontal support plane and extending in an outfeed direction. Two sets of deflectors spaced apart in the outfeed direction engage the upper reach to form therein respective upwardly open U-shaped loops below the plane. A lift has a pair of support beams extending transverse to the direction and jointly displaceable between a lower position received in the respective loops and below the plane and an upper position above the plane. A succession of sheets is fed to the station to form on a pallet supported on the beams in the upper position thereof a stack of the sheets. The lift can be raised and lowered to displace it from the upper position to the lower position to deposit on the belt the pallet and stack of sheets on the beams. A drive advances the belt in the outfeed direction with the beams in the lower position to convey the stack of sheets hitherto supported on the beams away from the lift in the outfeed direction.