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Method and unit for transferring a product on an intermittent packing machine
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An intermittent, packaging machine technology that can be used in packaging machines, packaging item types, packaging/bundling items, etc., and can solve problems such as complex designs
Inactive Publication Date: 2007-04-11
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[0006] Whilst cheap and easy to produce, wrapping wheels of the above type are very rigid in terms of positioning and also complicate the design in order to transfer more than one group of cigarettes simultaneously between two adjacent wrapping wheels defect
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[0015] Reference numeral 1 in FIG. 1 indicates generally a packaging machine for manufacturing rigid hinge-lid packets 2 of cigarettes. Each cigarette pack 2 comprises: a group 3 of cigarettes typically containing twenty cigarettes 4; an inner sheet 5 enclosing the group 3 of cigarettes, made of foil wrapping material; and a blank 6 folded around the group 3 of cigarettes, Encapsulated in an inner sheet 5 of encapsulating material to form a rigid hinged lid outer container. The U-shaped folded neck 7 is inserted into the open top end of the container to fit the inner surface of the lid when the lid is in the closed position.
[0016] The packaging machine 1 comprises a frame 8 (shown schematically in FIG. 1 ) for supporting a plurality of workstations 9 arranged along a production line 10 and each comprising a plurality of working devices respectively. More specifically, the packaging machine 1 comprises: eight work stations 9; a forming station 9a for forming groups 3 of cig...
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Abstract
On a packing machine (1), pockets (12, 22, 28, 42) on a conveyor (13, 19, 25, 39) are fed in steps through a transfer station (51, 55, 57, 59); and at least one product (3) is transferred to / from a pocket (12, 22, 28, 42) on the conveyor (13, 19, 25, 39) when the pocket (12, 22, 28, 42) is arrested at the transfer station (51, 55, 57, 59) during a pause between two successive steps; before the product (3) is transferred, the pocket (12, 22, 28, 42) is moved with respect to the conveyor (13, 19, 25, 39) to set the pocket (12, 22, 28, 42) to a given transfer position at the transfer station (51, 55, 57, 59).
Description
technical field [0001] The present invention relates to methods and devices for conveying products on batch packaging machines. [0002] The present invention can be advantageously used in an intermittent automatic cigarette packing machine, which will be described below only as an example. Background technique [0003] Cigarette packing machines are traditionally "intermittent" packing machines, i.e., the packing conveyor operates intermittently (or stepwise), with pauses between which the packing conveyor is stationary alternated with cycles of transfer steps, during which the packing conveyor boxes ( pocket) advances a given distance. On "intermittent" packing machines, groups of cigarettes are transferred between two consecutive packing conveyors during pauses. [0004] Batch cigarette wrapping machines generally comprise a plurality of wrapping wheels with peripheral boxes for receiving and delivering groups of cigarettes. Groups of cigarettes for packing are gradual...
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