US 5,092,730 AGranted

Apparatus for feeding packaging machines with stacks of sheet material

AssigneeG.D S.p.A.

InventorArmando Neri

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Abstract

The apparatus for feeding packaging machines with stacks of sheet material includes a trolley-like support provided with a vertically arranged rotatable belt having orthogonally connected thereto a plurality of pairs of support walls which define an accommodation seat for respective stacks of material in sheets, and a unit for removing and transferring the stacks which has a head provided with an element for gripping a stack. The head is movable vertically, laterally and horizontally so as to arrange itself at a selected accommodation seat in order to remove a stack therefrom and subsequently move it to a station for feeding the material in sheets to the packaging machine. The pairs of support walls are relatively mutually displaceable along a horizontal axis to thereby support a stack in a closed position and release a stack, or alternatively to receive a stack, in an open position.

Claims9

Dependent claims

Apparatus for feeding a packaging machine with stacks of sheet material, comprising a trolley-like support which is provided with a plurality of supporting means for supporting said stacks of sheet material, said trolley-like support being provided with distribution means for distributing said plurality of supporting means thereon, each of said plurality of supporting means defining an accommodation seat for accommodating an individual one of said stacks of sheet material, said apparatus further comprising a removal and transfer unit which is provided with a movable head and a grip element for gripping each of said individual one of said stacks, said grip element being supported by said head, said head being arrangeable at a selected said accommodation seat and subsequently movable, after said grip element grips said individual one of said stacks, to a feeding station of said packaging machine, said each of said plurality of supporting means having a pair of opposite walls between which is defined said accommodation seat, said distribution means having connected thereto arms which rotatably support said pair of opposite walls, said opposite walls being rotatable about a substantially horizontal axis, said apparatus further comprising means for mutually linearly displacing said pair of opposite walls along a direction of said substantially horizontal axis, thereby said pair of opposite walls being openable for inserting said individual one of said stacks into said accommodation seat and alternatively for removing said individual one of said stacks from said accommodation seat, and additionally said pair of opposite walls being closeable about said individual one of said stacks for support thereof in said accommodation seat.

Apparatus for feeding a packaging machine with stacks of sheet material, comprising a trolley-like support which is provided with a plurality of supporting means for supporting said stacks of sheet material, said trolley-like support being provided with distribution means for distributing said plurality of supporting means thereon, each of said plurality of supporting means defining an accommodation seat for accommodating an individual one of said stacks of sheet material, said apparatus further comprising a removal and transfer unit which is provided with means for gripping each of said individual one of said stacks and means for transferring said stacks to a feeding station of said packaging machine, said each of said plurality of supporting means having a pair of opposite walls between which is defined said accommodation seat, said apparatus further comprising means for mutually linearly displacing said pair of opposite walls along a direction of a substantially horizontal axis, thereby said pair of opposite walls being openable for inserting said individual one of said stacks into said accommodation seat and alternatively for removing said individual one of said stacks from said accommodation seat, and additionally said pair of opposite walls being closeable about said individual one of said stacks for support thereof in said accommodation seat.

Dependencies are inferred from the claim text.