Abstract: The invention relates to a device, in particular a roll cross-cutter, for forming a shingle stream of underlapping or overlapping sheets, in particular of paper or carton sheets, having a transport apparatus for transporting sheets, having a shingling apparatus for underlapping or overlapping sheets in regions, having a deceleration apparatus, downstream of the shingling apparatus in the transport direction of the sheets, for decelerating shingled sheets, in particular by forming a deceleration gap for the passage of shingled, combined sheets, and, preferably, having a cross-cutting apparatus upstream of the shingling apparatus for cutting a material web into individual sheets. According to the invention, the shingling apparatus is designed to be adjustable, in dependence of the cut length, in and/or opposite the transport direction of the sheets.

Abstract: The invention relates to an apparatus, in particular a roll cross cutter, for forming a shingled stream of underlapping or overlapping sheets, in particular paper or cardboard sheets, comprising a transport device for transporting sheets, a shingling device for underlapping or overlapping of the sheets at least in some regions, a braking device following the shingling device in the transport direction of the sheets for braking of shingled sheets, in particular by the formation of a brake gap for the passage of sheets brought together in a shingled manner, and a cross-cutting device upstream of the shingling device for cutting a material strip into individual sheets. According to the invention, an intake section is provided between the shingling device and the braking device for intake and further transport of a sheet, trailing in the shingled stream, into the braking device.

Abstract: The invention relates to a device, in particular a roll cross-cutter, for forming a shingle stream of underlapping or overlapping sheets, in particular of paper or carton sheets, having a transport apparatus for transporting sheets, having a shingling apparatus for underlapping or overlapping sheets in regions, having a deceleration apparatus, downstream of the shingling apparatus in the transport direction of the sheets, for decelerating shingled sheets, in particular by forming a deceleration gap for the passage of shingled, combined sheets, and, preferably, having a cross-cutting apparatus upstream of the shingling apparatus for cutting a material web into individual sheets. According to the invention, the shingling apparatus is designed to be adjustable, in dependence of the cut length, in and/or opposite the transport direction of the sheets.

Abstract: The invention relates to an apparatus, in particular a roll cross cutter, for forming a shingled stream of underlapping or overlapping sheets, in particular paper or cardboard sheets, comprising a transport device for transporting sheets, a shingling device for underlapping or overlapping of the sheets at least in some regions, a braking device following the shingling device in the transport direction of the sheets for braking of shingled sheets, in particular by the formation of a brake gap for the passage of sheets brought together in a shingled manner, and a cross-cutting device upstream of the shingling device for cutting a material strip into individual sheets. According to the invention, an intake section is provided between the shingling device and the braking device for intake and further transport of a sheet, trailing in the shingled stream, into the braking device.

Abstract: An apparatus for overlapping and stacking sheets, the apparatus has a housing defining a stacking area and a travel plane for the sheets, a conveyor for transporting the sheets through the housing in a travel direction along a travel plane, and an overlapping device in the housing upstream of the stacking area for producing an overlapping stream of the conveyed sheets. A brake in the overlapping device slows the conveyed sheets of the overlapping stream. Stacking elements include stops projecting upward in the stacking area and serving to position a stack formed by the conveyed sheets of the overlapping stream. A separate frame carrying the stacking elements in the stacking area above the travel plane or extending to above the supply travel plane is mounted in the housing of the apparatus so as to be movable horizontally downstream in the direction away from the overlapping device.

Abstract: A foil transfer device includes an impression cylinder for transporting a printing substrate, a pressure cylinder for pressing a foil web against the printing substrate on the impression cylinder in a transfer nip jointly formed by the pressure cylinder and the impression cylinder, a blower device blowing into an exit region of the transfer nip, and a deflection element for deflecting the foil web. The deflection element is disposed in such a way that the foil web has a web section freely extending from the pressure cylinder to the deflection element. The blower device is disposed on the same side of the foil web as the impression cylinder.

Abstract: An apparatus for overlapping sheets and depositing them in a stack has a conveyor for transporting the sheets in a horizontal travel direction along a travel path toward a stacking region at a rapid feed speed. A braking device on the path upstream of the stacking region can grip the trailing edge of a one of the sheets. At least one supporting air bar extends above the path into the stacking region and has nozzles from which compressed air exits in the sheet travel direction. A suction belt above the travel path between the braking device and the stacking region is movable in the travel direction at least at the rapid feed speed and has suction ports that can be switched on and off cyclically.

Abstract: The invention relates to a device for stream-feeding and placing sheets onto a stack (23) having—an overlapping device disposed upstream of the stacking area (41) for producing an overlapping stream, which overlapping device includes a braking device, and—stacking elements disposed in the stacking area (41), wherein the stacking elements disposed in the stacking area (41) above the supply conveyor plane or extending to above the supply conveyor plane are attached in a separate frame (42) which is mounted in the machine frame (40) of the device so as to be movable horizontally.

Abstract: The invention relates to a device for machining leaf- or sheet-shaped goods, comprising a machine frame in which punching and/or cutting tools (4) are mounted, said tools carrying out a vertical stroke for cutting purposes. The machine frame consists of two parts, a lower stationary frame (1) and a cassette-type housing (2) which is movably mounted on the frame (1) in a horizontally transverse manner. The tool receiving portions (3) are mounted in the cassette-type housing in a vertically movable manner.

Abstract: The invention relates to an apparatus for imbricating sheets and depositing them on a stack (23), having a braking device, which is arranged upstream of the stacking region and acts in each case on the trailing edge of a supplied sheet (5) and having at least one transporting-air bar (19), which extends into the stacking region above the supply plane and has nozzles which expel compressed air.

Abstract: A foil transfer device includes an impression cylinder for transporting a printing substrate, a pressure cylinder for pressing a foil web against the printing substrate on the impression cylinder in a transfer nip jointly formed by the pressure cylinder and the impression cylinder, a blower device blowing into an exit region of the transfer nip, and a deflection element for deflecting the foil web. The deflection element is disposed in such a way that the foil web has a web section freely extending from the pressure cylinder to the deflection element. The blower device is disposed on the same side of the foil web as the impression cylinder.

Abstract: The invention relates to a collecting and conveying device for stacks of sheet layers, comprising a feed conveyor (1) for the sheet layers, —a collecting station (3) in which stacks (4) are formed by the layers of sheets, —a removal conveyor (7) for removing the completed stacks (4), and—a transfer unit for moving the stacks from the collecting station to the removal conveyor (7), wherein the collecting station comprises a series of support elements (6) and a series of delimiting and shaking elements (8), wherein the transfer unit comprises a series of sliding elements (10), wherein in each case a sliding element (10) together with a support element (6) and a delimiting and shaking element (8) can be adjusted transversely.

Abstract: The invention relates to collecting and conveying devices for stacks of sheets (3), comprising a collecting station (1) in which a corresponding number of sheet stacks (3) are formed simultaneously from several imbricated flows (2) of sheets which are guided adjacent to each other, a transversal transporter (4) which is arranged at a distance behind the collecting station (1) for transporting the finished stack of sheets (3) in a manner transversal to the direction of transport of the sheets in the collecting station (1) and a transfer device (5) which is used to transport the stack of sheets (3) from the collecting station (1) to the transversal transporter (4). According to the invention, a carriage (9) that can be displaced over a given path in a manner that is synchronous with the transversal support (4) is arranged adjacent thereto.

Abstract: The invention relates to a collecting and conveying device for stacks of sheet layers, comprising a feed conveyor (1) for the sheet layers, —a collecting station (3) in which stacks (4) are formed by the layers of sheets, —a removal conveyor (7) for removing the completed stacks (4), and—a transfer unit for moving the stacks from the collecting station to the removal conveyor (7), wherein the collecting station comprises a series of support elements (6) and a series of delimiting and shaking elements (8), wherein the transfer unit comprises a series of sliding elements (10), wherein in each case a sliding element (10) together with a support element (6) and a delimiting and shaking element (8) can be adjusted transversely.

Abstract: The invention relates to collecting and conveying devices for stacks of sheets (3), comprising a collecting station (1) in which a corresponding number of sheet stacks (3) are formed simultaneously from several imbricated flows (2) of sheets which are guided adjacent to each other, a transversal transporter (4) which is arranged at a distance behind the collecting station (1) for transporting the finished stack of sheets (3) in a manner transversal to the direction of transport of the sheets in the collecting station (1) and a transfer device (5) which is used to transport the stack of sheets (3) from the collecting station (1) to the transversal transporter (4). According to the invention, a carriage (9) that can be displaced over a given path in a manner that is synchronous with the transversal support (4) is arranged adjacent thereto.

Abstract: A crosscutter for web materials, particularly paper, has a cutter shaft (13), which comprises a light metal cutter block (19) and a steel shaft end (14). The latter comprises a bearing (12) and drive (17)-receiving spigot and a flange (16), which is connected by means of a positive and nonpositive connection to the cutter block. For nonpositive connection purposes threaded bolts (35) are inserted in bushes (33), which are screwed and bonded into corresponding cutter block recesses. In addition, a reamed bolt connection is provided.

Abstract: A cutter has a roller body which is made from a hollow profile-like inner part and a tubular profile-like outer part having an irregular cross-sectional shape. The outer part and inner part are such that the working flight circle of a tool on the body is approximately as near to an axis of rotation as the maximum outer circumference of the body. Apart from forming a mold core for the outer part, the inner part also forms a clamping body, and includes a supporting body and a balancing counterweight for the tool unit, thereby providing a very high cutter block strength, and at the same time, a low mass moment of inertia.