Device and method for trimming folded printed products

摘要

A method and a device for trimming printed products on the front edges and/or on the lateral edges. The products are inserted into moved receiving compartments along a closed circuit, the compartments being open on at least one side, and include blades moved along in this region, which act together with stationary counter blades. The depth of insertion of the products is restricted by a support such that the front edges of the products are in the direct vicinity of the open side of the compartments, advantageously protruding with their front edges over the moved along blades for the frontal trimming. The edges of the products extending perpendicular to the folded edge are fixed prior to carrying out a trimming by way of a clamping and moving arrangement and only released for the passing on of the printed product.

主权项

1. A device for trimming a folded printed product on at least two edges, the device comprising:
a plurality of receiving compartments, each receiving compartment is for being associated with and adapted to receive one folded printed product to be trimmed and comprising at least one supporting surface, wherein the compartments are drivable to circulate along a circuit in a circulation direction; a stationary rest support on which a folded edge of the folded printed product inserted into an associated passing one of the receiving compartments is to be received, wherein each of the receiving compartments is open at least on a first side opposite a compartment base which corresponds to a region of the rest support for inserting the folded printed product into the associated receiving compartment in an insertion direction, and wherein the rest support is positioned for receiving the printed product such that a frontal edge of the folded printed product opposite the folded edge is, after insertion into the associated receiving compartment, in the direct vicinity of the first side of the compartment; a first trimming arrangement for a frontal trimming of the folded printed product comprising a plurality of moveable blades, which are moveable along with the receiving compartments, as well as at least one stationary counter blade; a second trimming arrangement for a lateral trimming of the folded printed product comprising a movable blade arranged in each of the receiving compartments and a stationary counter blade; a controllable clamping and moving arrangement associated with each receiving compartment for clamping the folded printed product and for moving the folded printed product along the supporting surface, the clamping and moving arrangement comprises a first clamping device for clamping the frontal edge of the folded printed product for frontal trimming, and a second clamping device with at least two clamping elements for clamping at least one lateral edge of the folded printed product extending perpendicular to the folded edge and parallel to the insertion direction for lateral trimming, wherein the at least two clamping elements of the second clamping device cooperate with one another such that they are able to take the folded printed product between them, and a control arrangement for moving the at least two clamping elements relative to one another between an open position and a clamping position; wherein the second clamping device is operatively connected with a carriage, which is movable in a radial direction, so that the at least two clamping elements of the second clamping device can be dislocated toward the rest support or away from the rest support and independent of the supporting surface such that the folded printed products are clamped by the clamping elements of the second clamping device and hence fixed before carrying out the lateral trimming and remain clamped by the clamping elements of the second clamping device while being dislocated between a trimming position for the frontal trimming and a further trimming position for the lateral trimming, the clamping elements of the second clamping device only being released for transfer of the folded printed products after the frontal and lateral trimming.