LAMINATION MACHINE AND A METHOD FOR LAMINATE SHEETS OF A MATERIAL

Description

[0001] The invention relates to a method for laminating sheets of a material according to the preamble of claim 1.

[0002] WO 2015 / 147262 A1 discloses a device in which individual sheets are arranged in a shingled pattern and together are provided with an additional layer.

[0003] DE 10 2009 058 334 A1 shows a lamination machine with a separating device.

[0004] US patent 6,536,497 B2 discloses a laminating machine by which sheets can be laminated on both sides. A roll of laminating material is arranged for each side.

[0005] EP 0 235 790 B1 discloses a device for laminating paper webs. This device has a simple roll unwinder with web tension control for the laminating material.

[0006] German patent DE 10 2010 037 592 A1 discloses a laminating machine with a sheet feeder. It is disclosed to either separate the sheets or arrange them in a shingled pattern. Depending on this, a corresponding material web is then produced.

[0007] EP 2 383 117 A1 discloses a lamination machine with a sheet feeder. It is disclosed that the sheets can be arranged either edge to edge or in a staggered pattern. Depending on this arrangement, a corresponding web of material is then produced.

[0008] WO 01 / 87599 A1 discloses a lamination machine for laminating sheet-shaped material. It is disclosed how to create a laminated material web from individual sheets using a web-shaped laminating material, which is then used to produce individual sheets by cutting across its entire width.

[0009] German patent DE 10 2015 221 919 A1 discloses a processing machine, which can, for example, be a laminating machine. It has a material source designed as a roll changer and serves for processing, i.e., possibly laminating, web-shaped material. DE 10 2015 221 919 A1 essentially addresses the possibility of rewinding the processed material web and providing a feeding device for this purpose.

[0010] DE 298 07 023 U1 and EP 2 322 329 A1 each disclose a lamination machine which uses an optical sensor and image evaluation to detect a layer of laminated sheets or image features and thereby controls a laser beam device or another separation device in order to be able to carry out particularly precise separation processes.

[0011] EP 2 095 945 A1 and DE 101 23 521 C1 each disclose a laminating machine in which one or more sensors detect an edge of a sheet. EP 2 095 945 A1 discloses a laminating machine comprising a shingling device for arranging unlaminated sheets in a shingled pattern and a laminating unit for producing a laminated web from the sheets. Sensors detect an upper rear edge of shingled sheets to control a cutting device accordingly. EP 2 095 945 A1 discloses a cutting device for separating sections from a web of material, in which two sensors are arranged axially spaced apart along the transport path of the laminated web after lamination and upstream of the cutting device's cutting blade.DE 101 23 521 C1 discloses a laminating machine and a cutting device for separating sections from a web of material using a knife. Each knife cuts the web-shaped laminating material, while laminated workpieces pass through a corresponding point with their front or rear end. Two rollers can clamp the laminated workpieces. One pair of rollers serves to clamp and convey the bare laminating material.

[0012] The subsequently published DE 10 2015 221 665 A1 discloses a lamination machine and a cutting device for separating sections from a material web using a knife, wherein the cutting device has front and rear clamping points as well as at least one stretching element and is switchable between a passing state and a cutting state. A sensor detects the arrival of an already separated section at a reference point.

[0013] EP 1 282 510 B1 discloses a cutting device for separating sections from a material web using a knife. One sensor detects the leading edge of a section. Another sensor detects the trailing edge of unlaminated sheets to control the cutting function. EP 1 282 510 B1 also discloses a laminating machine comprising a shingling device for arranging unlaminated sheets in a shingled pattern and a laminating unit for producing a laminated material web from the sheets. Sensors detect the upper trailing edge of shingled sheets to control a cutting device accordingly.

[0014] JP 2010 201724 A discloses a device for laminating sheets in which the sheets are arranged overlapping and laminated on one side, and in which a thickness control device detects an overlap area and controls the overlap depending on this detection. Subsequently, the laminating film is cut in the overlap area.

[0015] US Patent 5,934,534 A and US Patent 6,068,170 A each disclose separating devices with clamping devices.

[0016] The invention is based on the objective of creating a method for laminating sheets of a material.

[0017] The problem is solved according to the invention by the features of claim 1.

[0018] One advantage is that sections of material can be cut from a web in a particularly simple, precise, and fast manner, without generating waste during operation that would increase the risk of disruption to the processing machine. Precision is preferably enhanced by two clamping devices and, optionally, a single sheet alignment system.

[0019] One advantage, for example, is that it enables a particularly fast and trouble-free lamination process. This is achieved, for instance, by using web-formed laminating material and, even more preferably, by using roll changers for unwinding the laminating material. In particular, starting a lamination process is simplified if a disposal system for laminating material is provided, for example, because this allows production to begin quickly and easily without having to manually remove laminating material from hard-to-reach areas.

[0020] One advantage is the ability to achieve particularly high precision when applying the laminating material. This is achieved, for example, through web edge aligners and / or web tension control during material feeding. Alternatively or additionally, the sheets to be laminated are aligned with exceptional precision, for example, by singulating and / or aligning the sheets and / or by staggering the arrangement of the sheets relative to each other.

[0021] One advantage, for example, is that the lamination of sheets can be carried out with particular precision and that the sheets or sections are not damaged during the process, for example by attacking knives or incomplete lamination.

[0022] One advantage is the inclusion of at least one lamination control device, as this allows for monitoring the proper lamination of sheets and the generation of a material web. Upon detection of an error, a rapid response is possible, such as stopping the separating device and / or the laminating machine. This prevents waste and reduces the risk of damage to the separating device and / or the laminating machine.

[0023] One advantage is the installation of at least one separation sensor, as this allows for a response to an incorrect separation of a section from a material web, such as stopping the separating device and / or the laminating machine. This prevents waste and reduces the risk of damage to the separating device and / or the laminating machine.

[0024] One advantage is the inclusion of at least one feed mechanism for the laminating material. This allows the laminating machine to be made operational again particularly quickly and precisely, for example, after a restart or a brief interruption of production. This simplifies handling, especially when laminating the material on both sides.

[0025] One advantage is the inclusion of at least one thickness control device to monitor the material web's transport path. This allows for controlled shearing, precise separation, and / or the avoidance of errors that could arise from joints between layers of laminating material. Overall, this results in improved production quality and reduced susceptibility to defects.

[0026] Exemplary embodiments of the invention are shown in the drawings and are described in more detail below.

[0027] They show: Fig. 1 a schematic representation of a processing machine with a laminating unit and a separating device; Fig. 2 a schematic representation of a section of Fig. 1 ; Fig. 2 leg schematic representation according to Fig. 2a with alternative path guidance; Fig. 2 shows a schematic representation of the section according to Fig. 2b with a first drawing-in means arranged along a first drawing path; Fig. 2 a schematic representation of the section according to Fig. 2b with a second drawing means arranged along a second drawing path; Fig. 3 a schematic representation of a joining of sheets and laminating materials to form a material web; Fig. 4a a schematic representation of a material web after its joining and before its separation; Fig. 4b a schematic representation of a leading end of a material web and a trailing end of a separated section; Fig. 5 a schematic representation of a first embodiment of a separating device; Fig. 6 a schematic representation according to Fig. 5 in an oblique perspective; Fig. 7 a schematic representation of a draw roller and a pressure roller according to Fig. 5 Fig. 8 a schematic representation of a second embodiment of a separating device; Fig. 9 a schematic representation of a drawing-in means, a connecting element and a laminating material; Fig. 10 a schematic representation of a lamination control device.

[0028] A processing machine 01 preferably has at least one separating device 400. The processing machine 01 is preferably designed as a lamination machine 01. The processing machine 01 is, in particular, a processing machine 01 for flat material 02; 03, for example, arc-shaped flat material 03 and / or web-shaped flat material 02. Preferably, the processing machine 01 is a lamination machine 01 for arc-shaped material 03. The flat material 02; 03 is, for example, not in a web-shaped state and / or not in an arc-shaped state at all times and / or at all locations during processing with the processing machine 01. Preferably, the flat material 02; 03 is converted from a web-shaped state to an arc-shaped state in at least one separating operation. This occurs, for example, in a separating device 400.The processing machine 01 preferably has at least one such separating device 400. More preferably, flat material 03 is first converted from an arc-shaped state into a material web 02, i.e., into flat material 02 in a web-like state. This occurs, for example, in a joining device 310, which is preferably designed as a lamination unit 310. The processing machine 01 preferably has at least one such joining device 310, which is further preferably designed as at least one lamination unit 310. The at least one lamination unit 310 is preferably a lamination unit 310 for producing a laminated material web 02.

[0029] The unlaminated material 02, in particular the unlaminated sheets 03, are preferably printed and / or embossed and / or varnished. The unlaminated material 02, in particular the unlaminated sheets 03, preferably comprises paper and / or cardboard and / or paperboard and / or textile fabrics and / or cotton and / or carbon-based plastic as components.

[0030] A material web 02 is preferably understood to be an already laminated material web 02. Web-shaped but not yet laminated material is referred to as an unlaminated material web 02. If the material is already web-shaped before lamination, it preferably has predetermined separation points. These can be introduced in the processing machine 01 or in a preceding processing step. Material cut from the material web 02 is referred to as a section 04. Sheet-shaped but not yet laminated material is referred to as an unlaminated sheet or simply a sheet. If sheets 03 are first joined to form a material web 02, predetermined separation points result in the joint areas. The processing machine 01 preferably serves to laminate sheets 03, i.e., to coat them with at least one layer of at least one laminating material 321; 331. This is preferably done at least on one side and more preferably on both sides.The laminating material 321; 331 and / or the rollers carrying the laminating material 321; 331 preferably have an extent or width in an axial direction A that corresponds to the width of the material 02 and / or the sheets 03 and / or the material web 02 and / or that is preferably at least 500 mm, more preferably at least 700 mm, and even more preferably at least 800 mm. A width or extent of the laminated material web 02 measured in the axial direction A is preferably constant along this entire laminated material web 02 and / or preferably as large as the greater of the dimension of the sheets 03 in the axial direction A and the dimension of the laminating material 321; 331 in the axial direction A.Furthermore, preferably the dimensions of the arc 03 in the axial direction A and the dimensions of the laminating material 321; 331 in the axial direction A are the same size, and the dimensions of the laminated material web 02 in this axial direction A are also the same size.

[0031] The axial direction A is preferably a horizontally oriented direction. The axial direction A is preferably oriented orthogonally to each transport direction of the material web 02. The axial direction A is preferably oriented parallel to a rotational axis of a component of the processing machine 01, for example a rotational axis 421; 423 of a pressure roller 407; 409 and / or a rotational axis 422; 424 of a tension roller 406; 408 and / or at least a stretching axis 414; 416; 417 of at least one stretching element 403; 412; 413.

[0032] The processing machine 01 preferably has at least one material source 100, which is configured in particular as at least one material source 100 for material 02 to be laminated. Preferably, the at least one material source 100 is configured as at least one sheet feeder 100 and / or the at least one material source 100 serves to feed sheet-shaped material 02, in particular unlaminated sheets 03, into the processing machine 01. Alternatively, depending on the design of the processing machine 01, unlaminated or already laminated web-shaped material 02 can be fed for processing. In this case, the at least one material source 100 is configured, for example, as at least one roll unwinding device 100 for unwinding at least one roll of material.

[0033] The material source 100, and in particular the sheet feeder 100, is designed, for example, as is typical for a sheet feeder 100. The sheet feeder 100 has, for example, a conveyor section 101 designed as a belt table 101 and a substrate container 102 designed, for example, as a stack of sheets 102, which is arranged, in particular, on a receiving device, for example, a stacking plate. The stacking plate is preferably connected to transport means that ensure that the top of the stack of sheets 102 is held in a defined position. The sheet feeder 100 preferably has sheet singulation devices and sheet transport devices. The sheet singulation devices are designed, for example, as separating suction cups, and the sheet transport devices are designed, for example, as transport suction cups, and are preferably together part of a sheet separator.The drive of the sheet separator is preferably designed such that the separating suction cups perform a predominantly vertical movement and the transport suction cups a predominantly horizontal movement in or against the sheet transport direction. Separate drives are preferably provided for the separating suction cups and the transport suction cups. Separate drives are understood here to be controllable drives that are assigned to one or a group of working elements for their operation, in particular for their operation independently of the operation of other working elements or groups of working elements, and especially without being coupled via a mechanical and / or positive drive connection to drives of other working elements, whether individually or also in one or more groups, that are driven.

[0034] To prevent the processing machine 01 from stopping when changing the sheet stack 102, the sheet feeder 100 is preferably equipped with a non-stop device. This non-stop device has, in particular, an auxiliary stack support, arranged on a feed unit, which can be moved into the area of ​​the sheet stack 102 and is designed, in particular, as a rack, roller, or plate. The auxiliary stack support preferably takes over the remaining stack resting on a transport surface, in particular a pallet, and preferably lifts it continuously to ensure the smooth singulation and removal of the uppermost sheet 03 of the remaining stack. During this time, the new stack, for example, arranged on another pallet, is preferably moved in, and subsequently the remaining stack is combined with the new stack.

[0035] The conveyor table 101 downstream of the sheet stack 102 is, for example, designed as a suction conveyor table 101. It preferably has at least two rollers, for example a drive roller and at least one deflection roller, between which a conveying surface, for example one or more parts, may be provided. This conveying surface is formed, for example, by a one- or multi-part table plate or by a suction box forming the table plate. The drive roller and the deflection roller are preferably enclosed by at least one conveyor belt, which, in the case of the suction conveyor table 101, is designed as a suction belt. The belt is preferably tensioned by means of a tension roller and preferably driven within a working cycle by a belt drive, for example, acting on the drive roller, following a speed profile. Indexing rollers, which are controlled against the drive roller within a working cycle, preferably correspond to the drive roller.

[0036] The processing machine 01 preferably has at least one preparation device 200. The preparation device 200 is, for example, configured as a singulation device 200; 202 and / or as an alignment device 200 and / or as a shingling device 200; 206; 207; 208, in particular as an under-shingling device 200, or has at least one singulation device 200; 202 and / or at least one alignment device 200 and / or at least one shingling device 200; 206; 207; 208. The preparation device 200 is also referred to as a sheet feeder 200. A singulation device 200 serves in particular to singulate sheets 03, especially to such an extent that each sheet 03 has a distance from its directly adjacent sheets 03. Preferably, therefore, at least one singulation device 200; 202 arranged for spatial separation of unlaminated sheets 03 from each other.Spatial separation is understood to mean, in particular, a state in which there is no direct physical contact. The processing machine 01 therefore preferably has at least one singulation device 200; 202 for spatially separating unlaminated sheets 03 from one another and at least one shingling device 200; 206; 207; 208, arranged, in particular, along a provided transport path of the material 02 after the at least one singulation device 200; 202, for shingling the unlaminated sheets 03 relative to one another. A shingling device 200 can be omitted if an unlaminated material web 02 is laminated and then separated into sections 04. In the following, however, it will be assumed that unlaminated sheets 03 are combined to form a material web 02 and that this material web 02 is then divided into individual sections 04. Preferably, the individual sections 04 correspond to the previously fed sheets 03 with additional lamination.

[0037] The preparation device 200, for example, has at least one first suction drum 201 designed as a stop drum 201. The preparation device 200 further preferably has side markers and / or cover markers and / or front stops, in particular to position the sheets 03 in a controlled and precise manner. The preparation device 200 preferably has at least one further, in particular a second, suction drum 202, which, for example, is designed as an acceleration drum 202 and / or serves to transfer the sheets 03 to at least one suction belt 204. At least one suction belt 204 preferably serves to transport individual sheets 03, in particular sheets 03 that are spatially separated from one another. These sheets 03 are preferably separated to allow each individual sheet 03 to be aligned precisely and independently of other sheets 03. This also facilitates the identification of any duplicate sheets.The singulation is preferably achieved by positive acceleration and subsequent deceleration of a leading sheet 03 and / or by deceleration and subsequent positive acceleration of a trailing sheet 03. Therefore, the singulation device 200 preferably has at least two independently operable drives. For example, the first suction drum 201, designed as a stop drum 201, is driven and / or can be driven by a different drive than the at least one second suction drum 202, designed, for example, as an acceleration drum 202, and / or than the at least one suction belt 204.

[0038] The preparation device 200 preferably comprises at least one underfeed drum 206. The at least one underfeed drum 206 is, for example, a component of the shingling device 200. The at least one underfeed drum 206 preferably serves to briefly accelerate sheet 03 to an increased speed and then decelerate it again in order to reduce and / or close a gap to preceding sheet 03 and / or to move a rear sheet 03 forward so far that it overlaps with a preceding sheet 03. To achieve a controlled overlap, at least one lifting device 207; 208 is preferably arranged, which is designed, for example, as a mechanical component 207 lifting from below and / or as at least one blow nozzle 207 and / or as at least one suction nozzle 208.Such a bottom-lifting mechanical component 207, for example, has at least one eccentrically rotatable component 207 and at least one drive, in particular a single drive, and is further preferably designed as a bobbin roller 207. Depending on the format of the sheets 03 to be processed, the bottom-lifting mechanical component 207, in particular the eccentrically rotatable component 207, is always moved upwards in such a way that it lifts a trailing end of a sheet 03 and preferably transfers it to an upper suction device 208. The at least one lifting device 207; 208 preferably serves to lift a trailing end of a leading sheet 03, in particular so that a leading end of a subsequent sheet 03 can be pushed under this trailing end of the leading sheet 03.To support the lifting movement and / or to extend the time during which the trailing end of the arc 03 is raised, at least one upper suction device 208 is arranged, for example. The lifting device 207; 208 is therefore preferably adaptable to different arc lengths.

[0039] Preferably, the at least one shearing device 200 comprises the at least one lifting device 207; 208. The at least one lifting device 207; 208 preferably comprises at least one suction nozzle 208, the at least one opening of which has at least one downward-facing component. The at least one suction nozzle 208 is preferably surrounded by at least one guide surface, which more preferably has further suction openings 208, which more preferably also have openings with at least one downward-facing component each. Opposite the at least one suction nozzle 208, at least one transport surface is preferably arranged, in particular to support the sheets 03 as long as and where the suction nozzle 208 does not lift the sheets 03. This transport surface preferably has openings to allow pressure equalization and thereby facilitate the lifting of at least parts of the sheets 03.Preferably, at least one downward-lifting mechanical component 207, in particular at least one bobbin roller 207, is arranged opposite at least one suction nozzle 208. This at least one downward-lifting mechanical component 207 is preferably arranged to be operable at variable speed. This allows advancing sheets 03 to be lifted in a movement sequence adapted to their length. The at least one downward-lifting mechanical component 207, and in particular the at least one bobbin roller 207, is preferably part of the shingling device 200.

[0040] In particular, this enables at least one process step for laminating sheets 03 of a material 02, wherein the sheets 03 are preferably first spatially separated from one another by means of a singulation device 200; 202 and wherein the sheets 03 are aligned and wherein, in particular after their spatial separation, the sheets 03 are brought into a partially overlapping position relative to each other by means of a shingling device 200; 206; 207; 208 and wherein the sheets 03 are fed to a lamination unit 310 of a lamination machine 01 and are laminated there in the overlapping position by joining with at least one laminating material 321; 331 and joined to form a material web 02.The sheets 03 are preferably brought into a partially overlapping position relative to each other in pairs by lifting the trailing ends of the respective leading sheets 03 and then, by means of a transport speed of a respective trailing sheet 03 that is increased compared to the transport speed of the respective leading sheet 03, the respective leading end of the respective trailing sheet 03 is moved under the respective trailing end of the respective leading sheet 03 and, at the same time or preferably afterwards, the respective trailing end of the respective leading sheet 03 is brought into contact with the respective leading end of the respective trailing sheet 03. Preferably, at the latest at this point, the transport speed of the respective leading sheet 03 is again identical to the transport speed of the respective trailing sheet 03.The lifting of the respective trailing end of a sheet 03 preferably occurs by contact with a correspondingly moving, downward-lifting mechanical component 207, in particular the bobbin roller 207. Alternatively or additionally, the lifting of the respective trailing end of a sheet 03 preferably occurs by suction using at least one suction nozzle 208.

[0041] The processing machine 01 preferably has at least one lamination device 300. The lamination device 300 preferably represents the device 300 that serves to enrich the flat material 02 with at least one additional layer of material and, in particular, to produce a laminated material web 02 which further preferably has predetermined separation points. Such a predetermined separation point occurs, for example, where two adjacent sheets 03 are opposite each other, either at a distance, at end-to-end contact, or, preferably, with an overlap. The preparation device 200 preferably supplies the lamination device 300 with a continuous stream of unlaminated sheets 03, which are arranged, in particular, slightly overlapped. This stream is coated in the lamination device 300, at least on one side and preferably on both sides, with at least one layer of a laminating material 321; 331.This results in an overlap area 06 in which two sheets 03 touch each other. In this area, these two sheets 03 are in contact with the at least one laminating material 321; 331 only on one side at most. The at least one laminating material 321; 331 forms the connection between the sheets 03. Cutting through the at least one layer of the laminating material 321; 331 separates the sections 04 from each other. Since the layer of the laminating material 321; 331 is preferably relatively thin, this overlap area 06 preferably represents a predetermined separation point. Overstretching of the material web 02 causes, in particular, overstretching of the layer of the laminating material 321; 331 in the overlap area. A relatively small absolute overstretching of the material web 02 results in a large overstretching of the laminating material 321; 331. 331 in the overlap area, while in the area connected to the arc 03 there is practically no elongation.

[0042] The lamination device 300 itself preferably comprises at least one lamination unit 310. The at least one lamination unit 310 preferably serves to apply laminating material 321; 331 to the flat material 02. When flat material 02 is mentioned in the preceding and / or following, this refers in particular to the material 02 that originates from the material source 100 and in which at least one lamination unit 310 is provided with at least one further layer of laminating material 321; 331 and is then preferably separated into individual sections 04. The flat material 02 is in particular the material 02 that is processed by the processing machine 01, while the laminating material 321; 331 is the material that effects the processing of the flat material 02. Laminating material 321; 331 originates in particular from a lamination source 320; 330 and is preferably fed to the flat material 02.The laminating material 321; 331 is supplied, for example, in the form of at least one web, in particular at least one film, and is bonded to the material 02 by pressing and / or heating and / or gluing.

[0043] The lamination device 300 itself preferably has at least one first lamination source 320 for lamination material 321 and / or at least one second lamination source 330 for lamination material 331. Preferably, the at least one first lamination source 320 is configured as at least one upper lamination source 320 and / or serves to apply a first lamination material 321 to a first side of the material web 02 and / or the sheets 03. Preferably, the at least one second lamination source 330 is configured as at least one lower lamination source 330 and / or serves to apply a second lamination material 331 to a second side of the material web 02 and / or the sheets 03, in particular opposite the first side of the material web 02 and / or the sheets 03. The lamination device 300 itself preferably has at least one cooling device 340.

[0044] The at least one first lamination source 320 is preferably configured as a first roll unwinding device 320 and / or preferably has at least one first roll holding position 322. The first lamination source 320 is further preferably configured as at least one first roll changer 320 and / or preferably has at least two first roll holding positions 322, in particular for simultaneously holding at least two rolls of first laminating material 321. These first roll holding positions 322 are preferably pivotably arranged about a common first pivot axis 323, and in particular, are arranged together. Preferably, the two first roll holding positions 322 can be exchanged with respect to their positions by a common pivoting movement.The first roll unwinding device 320, designed as a first roll changer 320, enables, for example, a flying roll change, i.e., connecting a new web of laminating material 321 with a web of laminating material 321 that is already largely unwound, without stopping the latter. Preferably, however, the processing machine 01 is stopped to switch the feed of the laminating material 321 to a new roll. Due to its design as a first roll changer 320, this still happens particularly quickly.

[0045] The at least one first lamination source 320 preferably has at least one first web edge aligner 327, which serves in particular to align the laminating material 321 with respect to the axial direction A. The at least one first web edge aligner 327 is preferably a first web edge aligner 327 for aligning exclusively the laminating material 321. The at least one first web edge aligner 327 has, for example, at least two alignment rollers, preferably arranged in a movable frame, the axial position of which, in particular, the first laminating material 321, can be adjusted by its position in space.Preferably, the orientation of the laminating material 321 relative to the axial direction A, as viewed in the transport direction, can be changed by means of the at least one first web edge aligner 327, in particular without changing the position of the associated roll of the laminating material 321 with respect to the axial direction A. Alternatively or additionally, the position of the laminating material 321 relative to the axial direction A is adjusted, in particular controlled or regulated, by displacing the associated roll of the laminating material 321 with respect to the axial direction A. The at least one first lamination source 320 preferably has at least one first web tension control 324, which, for example, has at least one first dancer roller 326 and / or at least one first dancer lever 328.For example, at least one first roll feed device is arranged by means of which rolls of the laminating material 321 can be fed to the first roll unwinding device 320. The at least one first roll feed device is designed, for example, as at least one crane and / or at least one lifting device and / or at least one transport carriage and / or at least one rail system.

[0046] The at least one first roll unwinding device 320 has, for example, two support arms for each roll holding position 322, each of which preferably has a tension shaft bearing, preferably designed as a hinged bearing. The at least one first roll unwinding device 320 has, for example, at least one tension shaft on which rolls of the laminating material 321 can be received and held by means of drive elements designed as clamping jaws. At least one tension shaft bearing preferably has a locking element, which, in the case of a hinged bearing, is preferably pivotable about a locking axis. The tension shaft, together with the roll of the laminating material 321, is inserted into the two tension shaft bearings at both ends. Subsequently, the two tension shaft bearings are each closed, preferably by pivoting the locking elements into a closed position.The respective clamping shaft bearing can only be opened if it is in a rotational angular position that lies within this permissible angular position range.

[0047] The at least one second lamination source 330 is preferably configured as a second roll unwinding device 330 and / or preferably has at least one second roll holding position 332. The second lamination source 330 is further preferably configured as at least one second roll changer 330 and / or preferably has at least two second roll holding positions 332, in particular for simultaneously holding at least two rolls of second laminating material 331. These second roll holding positions 332 are preferably pivotably arranged about a common second pivot axis 333, and in particular, are arranged jointly. Preferably, the two second roll holding positions 332 can be exchanged with respect to their positions by a common pivoting movement.The second roll unwinding device 330, designed as a second roll changer 330, preferably enables a flying roll change, i.e., connecting a new web of laminating material 331 with a web of laminating material 331 that has already been largely unwound, without stopping the latter. Preferably, however, the processing machine 01 is stopped to switch the feed of the laminating material 331 to a new roll. Due to its design as a second roll changer 330, this still occurs particularly quickly.

[0048] The at least one second lamination source 330 preferably has at least one second web edge aligner 337, which serves in particular to align the laminating material 331 with respect to the axial direction A. The at least one second web edge aligner 337 is preferably a second web edge aligner 337 for aligning exclusively the laminating material 331. The at least one second web edge aligner 337 has, for example, at least two alignment rollers, preferably arranged in a movable frame, the position of which in space allows the axial position of the second laminating material 331 to be adjusted.Preferably, the orientation of the laminating material 331 relative to the axial direction A, as viewed in the transport direction, can be changed by means of at least one second web edge aligner 337, particularly without changing the position of the associated roll of the laminating material 331 with respect to the axial direction A. Alternatively or additionally, the position of the, in particular, second laminating material 331 relative to the axial direction A is adjusted, in particular controlled or regulated, by displacing the associated roll of the laminating material 331 with respect to the axial direction A. The at least one second laminating source 330 preferably has at least one second web tension control 334, which, for example, has at least one second dancer roller 336 and / or at least one second dancer lever 338.For example, at least one second roll feed device is arranged by means of which rolls of the laminating material 331 can be fed to the second roll unwinding device 330. The at least one second roll feed device is designed, for example, as at least one crane and / or at least one lifting device and / or at least one transport carriage and / or at least one rail system.

[0049] The at least one second roll unwinding device 330, for example, has two support arms for each roll holding position 332, each of which preferably has a tension shaft bearing, preferably designed as a hinged bearing. With respect to tension shafts and / or tension shaft bearings, the at least one second roll unwinding device 330 is preferably designed analogously to the at least one first roll unwinding device 320.

[0050] The laminating material 321 is preferably fed from the at least one first roll unwinding device 320 to a first laminating roller 311 of a laminating unit 310. The laminating material 331 is preferably fed from the at least one second roll unwinding device 330 to a second laminating roller 312 of the laminating unit 310. The first laminating roller 311 preferably forms a first laminating area 313 together with the second laminating roller 312 in their common pressure area. The lamination of the sheets 03, which arrive in an overlapping manner, preferably takes place in the first laminating area 313. This preferably produces the material web 02. The at least one first laminating roller 311 is preferably a first laminating roller 311 that can be heated internally, for example by induction, particularly to at least 100°C.For example, an inner stator with an induction coil and a rotor, essentially designed as a hollow cylinder and also with an induction coil, are arranged. Preferably, the at least one first lamination roller 311 has a outer surface made of a wear-resistant material, for example steel and / or chromium and / or ceramic and / or a wear-resistant hard metal alloy such as WC / Co, Cr 3 C 2 / NiCr, NiCrBSi, WC / Ni, TiC / Ni, molybdenum or the like, which is further preferably applied by a thermal spraying process.

[0051] The at least one second laminating roller 312 is preferably a second laminating roller 312 that can be heated, in particular internally, for example by induction, preferably to at least 100°C. For example, an inner stator with an induction coil and a rotor, essentially designed as a hollow cylinder and also with an induction coil, are arranged. Preferably, the at least one second laminating roller 312 has a surface made of a relatively soft material, for example, rubber. Preferably, the laminating unit has at least one heating roller 316, preferably heated, in particular internally, for example by induction, preferably to at least 100°C, along a transport path of the laminating material 331 upstream of the second laminating roller 312. For example, an inner stator with an induction coil and a rotor, essentially designed as a hollow cylinder and also with an induction coil, are arranged. The at least one heating roller 316 preferably serves to heat the laminating material 331.The at least one second laminating roller 312, on the other hand, preferably serves to maintain this temperature of the laminating material 331 and to press the laminating material 331 onto the sheets 03. The at least one first laminating roller 311 preferably serves both to heat the laminating material 321 and to press the laminating material 321 onto the sheets 03.

[0052] By heating the laminating material 321; 331, it is preferably brought into a state in which a particularly effective bond with the sheets 03 can be achieved. For example, this activates an adhesive and / or makes the laminating material 321; 331 itself adhesive through at least a partial phase transition. The pressure in the first lamination area 313 leads to a particularly effective bond between the laminating material 321; 331 on the one hand and the sheets 03 on the other. Preferably, an additional pressure roller 317 is arranged, which, in particular, together with the first laminating roller 311, forms a second lamination area 314 in their common pressure area. There, the bond initiated in the first lamination area 313 between the laminating material 321; 331 and the sheets 03 is further intensified. The pressure roller 317 is preferably arranged pressed against the first laminating roller 311.The press roller 317 is preferably designed to be internally heated, in particular to at least 100°C. Preferably, the at least one press roller 317 has a outer surface made of a relatively soft material, for example, rubber.

[0053] Preferably, the second laminating roller 312 is displaceable orthogonally to the axial direction A, particularly to interrupt its contact with the first laminating roller 311 and / or the heating roller 316 or to change its contact force. Preferably, the pressure roller 317 is displaceable orthogonally to the axial direction A, particularly to interrupt its contact with the first laminating roller 311 or to change its contact force. Preferably, the laminating device 300 has at least two independently operable drives, one of which is assigned to at least the first laminating roller 311 and another of which is assigned to at least the heating roller 316. For example, the second laminating roller 312 and / or the pressure roller 317 can be driven via a gearbox using the same drive as the first laminating roller 311.

[0054] For example, the processing machine 01 has at least one preheating device 209 which acts, or is capable of acting, on the material 02, in particular the sheets 03, along the transport path of the material 02 before the first lamination area 313. This preferably improves the bonding process between the material 02 and the laminating material 321; 331. At least one cooling device 340 is preferably arranged along the transport path of the material web 02 after the lamination unit 310. The at least one cooling device 340 preferably has at least one cooling roller 341, more preferably at least one cooling roller 341 per side of the material web 02, and even more preferably at least three cooling rollers 341. The cooling device 340 preferably serves to cool the material web 02 produced and / or laminated in the lamination unit 310.

[0055] The lamination machine 01 preferably allows a process for laminating a material 02 and, in particular, for changing at least one roll of laminating material 321; 331, wherein the material 02 is preferably fed to a lamination unit 310 of the lamination machine 01 and is preferably laminated there by combining it with at least one laminating material 321; 331, and wherein the at least one laminating material 321; 331 is preferably unwound from at least one roll in a lamination source 320; 330 designed as a roll changer 320; 330, and wherein preferably two rolls of the at least one laminating material 321; 331 are rotated together about a common pivot axis 323; 333 of the at least one roll changer 320; 330 be swung and at least one of the webs of at least one laminating material 321 originating from one of the at least two rolls that had been unwound up to that point;331 is connected with a web of at least one laminating material 321; 331, which is to be unwound from then on, originating from another of the at least two rolls.

[0056] Alternatively or additionally, at least one process step for laminating a material 02 is used, wherein the at least one laminating material 321; 331 is preferably unwound from at least one roll in a lamination source 320; 330 designed at least as a roll unwinding device 320; 330, and wherein the laminating material 321; 331 unwound from the at least one roll is preferably aligned at least with respect to the axial direction A by means of at least one web edge aligner 327 of the at least one roll unwinding device 320; 330, and wherein a web tension of the laminating material 321; 331 unwound from the at least one roll and guided around at least one dancer roller 326; 336 of a web tension control 324; 334 of the at least one roll unwinding device 320; 330 is preferably controlled by means of this at least one dancer roller 326; 336 is controlled and / or regulated.Alternatively or in addition to aligning the lamination material 321; 331 unwound from the at least one roll with respect to the axial direction A, this roll unwound from the lamination material 321; 331 is preferably moved with respect to the axial direction A.

[0057] Preferably, the sheets 03 are laminated on both sides. If no lamination takes place, this would be evident in the fact that the sheets 03 would not be transported further after the lamination unit 310, or would only be transported defectively. However, if, unintentionally, only one-sided lamination of the sheets 03 occurs, a material web 02 would still be formed, consisting of a web-shaped laminating material 321; 331 and sheets 03 attached to it. Such a defect should be detected. Therefore, the lamination machine 01 preferably has at least one lamination control device 348; 349. By means of the at least one lamination control device 348; 349, exclusively one-sided lamination of a material web 02 can be detected. The at least one lamination control device 348; 349 is also called a lamination defect detection device 348; 349.

[0058] Preferably, at least one lamination control device 348; 349 takes advantage of the fact that the sheets 03 are joined in a shingled manner to form a material web 02. This creates an overlap area between every two sheets 03. In this overlap area, each sheet 03 is bonded to a maximum of one laminating material 321; 331. If one of the two layers of laminating material 321; 331 is missing, a sheet 03 in the overlap area is not bonded to any laminating material 321; 331 and can be lifted off from the adjacent sheet 03 in this overlap area. If the material web 02, which is laminated on only one side, is then deflected around a web deflection roller 353 with its laminated side, it is not bonded to any laminating material 321; 331. 331 connected area of ​​arc 03 from the adjacent arc 03 when the overlap area is guided around the curvature of the web deflection roller 353.This protrusion occurs only because sheet 03 is not pulled against the overlapping sheet 03 by the laminating material 321; 331. The protrusion is therefore a clear indication of a lack of laminating material 321; 331. The protruding area then passes through a space that no part of the material web 02 would pass through without the defect. If this space is monitored, the presence of a portion of sheet 03 can indicate the absence of laminating material 321; 331.

[0059] Preferably, the lamination machine 01 has at least one material source 100 designed as a sheet feeder 100 for sheets 03 of a material 02 to be laminated, and at least one lamination unit 310 and at least two lamination sources 320; 330 for at least one web-shaped lamination material 321; 331 each, and at least one lamination unit 310 for producing a double-sided laminated material web 02 from the sheets 03 and the respective at least one lamination material 321; 331. Preferably, the lamination machine 01 is characterized in that, along a transport path provided for transporting the laminated material web 02 to a lamination area 313; 314 of the lamination unit 310, at least one lamination control device 348; 349 is arranged, which monitors a control room area that lies outside a transport room area occupied by the transport route provided for the laminated material web 02.

[0060] Preferably, the lamination machine 01 is characterized alternatively or additionally by the fact that the at least one lamination control device 348; 349 is arranged to monitor a control area that has at least a minimum control distance from a web deflection roller 353. Those parts of the control area that do not have the minimum control distance from the web deflection roller 353 preferably have a greater distance from this web deflection roller 353. The minimum control distance is preferably less than 20 mm, more preferably less than 10 mm, even more preferably less than 5 mm, and even more preferably less than 2 mm. The minimum control distance is preferably greater than zero. The minimum control distance is preferably less than an overlap length of adjacent sheets 03 within the laminated material web 02. This ensures that the protruding area can be detected.Depending on the thickness of the sheets 03 and / or the laminating material 321; 331, the minimum inspection distance can be adjusted. The overlap length of adjacent sheets 03 is, in particular, the length measured along the intended transport path of the material web 02 over which adjacent sheets 03 touch within the laminated material web 02, at least as long as no area protrudes. The overlap length is preferably at least 2 mm, more preferably at least 3 mm, and even more preferably at least 4 mm, and regardless of this, preferably at most 20 mm, more preferably at most 10 mm, and even more preferably at most 6 mm.

[0061] Preferably, the lamination machine 01 is characterized alternatively or additionally by the fact that the at least one lamination control device 348; 349 has at least one control element 351, which is configured as a detector 351. Further preferably, the lamination machine 01 is characterized alternatively or additionally by the fact that the at least one lamination control device 348; 349 has at least one control element 352, which is configured as a transmitter 352. Then a signal can be selectively transmitted and received. For this to happen, the signal preferably has to pass through the control area. If there is an obstacle in the control area, the signal is not received. Essentially, the only possible obstacle is the protruding part of a sheet 03, if present. The absence of the signal then indicates the absence of the laminating material 321; 331.The signal is preferably an electromagnetic signal, in particular an optical signal, for example a laser beam. Preferably, the lamination machine 01 is characterized alternatively or additionally in that the at least one lamination control device 348; 349 has at least one control element 351, which is configured as a detector 351 for electromagnetic radiation, and that the at least one lamination control device 348; 349 has at least one control element 352, which is configured as a transmitter 352 for electromagnetic radiation.

[0062] Preferably, the lamination machine 01 is characterized alternatively or additionally by the fact that a straight section of a beam path between the control element 352, designed as a transmitter 352, on the one hand, and the control element 351, designed as a detector 351, on the other hand, passes over a surface of the web deflection roller 353 with the minimum control distance. The beam path can run directly from the control element 352, designed as a transmitter 352, to the control element 351, designed as a detector 351, or be deflected via at least one reflector.

[0063] In particular, in order to be able to detect both a lack of the first laminating material 321 and alternatively a lack of the second laminating material 331, the lamination machine 01 is preferably characterized alternatively or additionally by the fact that the lamination machine 01 has at least two lamination control devices 348; 349, of which a first lamination control device 348 is arranged on a first side of the transport path provided for the laminated material web 02 and of which a second lamination control device 349 is arranged on a second side of the transport path provided for the laminated material web 02, opposite the first side.The lamination machine 01 is further preferably characterized alternatively or additionally by the fact that the first lamination control device 348 is arranged to monitor a first control area which has at least a minimum control distance from a first web deflection roller 353, and that the second lamination control device 349 is arranged to monitor a second control area which has at least a minimum control distance from a second web deflection roller 353, and that the minimum control distance as described is less than 20 mm, more preferably less than 10 mm, even more preferably less than 5 mm, and even more preferably less than 2 mm and / or is less than an overlap length of adjacent sheets 03 within the laminated material web 02.The material web 02 preferably touches the two web deflection rollers 353 with different sides, so that each of the two lamination control devices 348; 349 can detect the absence of a different layer of lamination material 321; 331.

[0064] As described, the lamination machine 01 preferably has at least one separating device 400 for separating sections 04 from the laminated material web 02. The at least one lamination control device 348; 349 is preferably arranged along the transport path provided for the transport of the laminated material web 02 after a lamination area 313; 314 of the lamination unit 310 and before the separating device 400. This is the area in which the laminated material web 02 is present. Checking for the presence of the laminating materials 321; 331 is therefore preferably carried out in the area in which the material web 02 is present and not in the area in which individual sections 04 are already present.This separating device 400 preferably has at least one first stretching element 403, wherein the separating device 400 can be switched between at least one pass-through state and at least one cut-through state by moving at least one first stretching element 403 between at least one first pass-through state and at least one cut-through state, and wherein at least one cut-through sensor device 463 is arranged for detecting a gap between the material web 02 and each of the last cut-off sections 04. Thus, both the lamination of the sheets 03 and the separation of the sections 04 from the material web 02 can be monitored.

[0065] The control element 351, configured as a detector 351, is alternatively or additionally configured, for example, as a light reflex sensor 351. This allows the control room area to also be monitored. Components of an arc 03 penetrating this light reflex sensor 351 reflect parts of electromagnetic radiation, in particular light, directly or diffusely. These reflected parts can be detected by the detector 351. A control element 352, configured as a transmitter 352, is arranged, for example, as the source of the electromagnetic radiation. This transmitter 352 forms a structural unit with the detector 351, for example, and can then be arranged in a particularly space-saving manner.

[0066] As an alternative to optical sensors, at least one ultrasonic sensor and / or at least one capacitive sensor is provided to monitor the respective control room area.

[0067] The processing machine preferably includes at least one cutting device 400. As described, the at least one cutting device 400 is preferably designed to separate the material web 02, which is particularly laminated, into individual sections 04 and / or to separate sections 04 from the material web 02, which is particularly laminated. The at least one cutting device 400 preferably includes at least one front clamping device 406 with at least one front clamping point 401 and at least one rear clamping device 404 with at least one rear clamping point 402 and at least one first expansion element 403. In particular, the at least one front clamping point 401 is arranged along the intended transport path in front of the at least one rear clamping point 402.By clamping the material web 02 in the front clamping device 406 and in the rear clamping device 404 and subsequently stretching, in particular overstretching, the material web 02 can be selectively torn, thus separating individual sections 04. Preferably, the cutting device 400 can be switched between at least one passing state and at least one cutting state by moving at least one first stretching element 403 between at least one first passing position and at least one first cutting position. The passing state is preferably a state in which the stretching elements 403; 412; 413 allow the material web 02 to be guided unhindered through the cutting device 400, for example, depending on the embodiment, in a straight line between the front clamping point 401 and the rear clamping point 402 or along a circular arc between the front clamping point 401 and the rear clamping point 402.Preferably, this is done only temporarily, in particular to achieve a feed rate so that the next intended cut-off point reaches a corresponding position.

[0068] A vertical reference plane preferably has a horizontal normal vector. A normal vector is, in particular, a vector that is oriented orthogonally to every straight line completely contained in the corresponding plane. More preferably, the normal vector points in a direction that runs in or opposite to the axial direction A. A transport line, in particular, is preferably the shortest connection between the at least one front clamping point 401 on the one hand and the at least one rear clamping point 402 on the other, lying completely in a particular vertical reference plane and passing or being tangent to any component of the separating device 400 on the same side as a transport path provided for the material web 02 and / or the sections 04.The term "same side" here refers in particular to the fact that, viewed from the perspective of the corresponding component, the transport path is essentially in the same direction as the transport line, which is closest to the component. Preferably, the transport line is longer in at least one separation state than in at least one passing state, in particular by at least 2 mm, more preferably by at least 4 mm, and even more preferably by at least 6 mm. This extension of the transport line, particularly in conjunction with clamping the material web 02 in the front clamping device 406 and the rear clamping device 404, stretches a corresponding area of ​​the material web 02, and thereby preferably detaches a corresponding section 04 from the material web 02 at a predetermined separation point.Preferably, the area of ​​influence of the at least one first stretching element 403 is arranged along the transport line between the at least one front clamping device 406 and the at least one rear clamping device 404. Preferably, the at least one first stretching element 403 and the material web 02 are moved relative to each other such that, when the intended tear point of the material web 02 is breached, the at least one first stretching element 403 is in contact with this intended tear point of the material web 02.

[0069] The separation is preferably achieved by stretching, and in particular overstretching, the material web 02, and more preferably not by cutting the material web 02. Preferably, each contact line of the at least one first stretching element 403, lying in the reference plane and intended for contact with the material web 02, has a smallest radius, particularly in the reference plane, of at least 0.05 mm, preferably at least 0.1 mm, more preferably at least 0.5 mm, and even more preferably at least 2 mm, and even more preferably at least 10 mm, in the area of ​​any convex curvatures that may be present. The at least one first stretching element 403 preferably has a contact surface 462, which is intended for contact with the material web 02 and / or the sections 04. The contact area in which such contact actually exists between the material web 02 and the first stretching element 403 varies cyclically.The contact line is the intersection between this contact area and the reference plane. In a preferred embodiment, the at least one first stretching element 403, and in particular its contact line, has a convex curvature exclusively in the contact area, wherein the radius of curvature is not necessarily uniform but preferably varies circumferentially. This radius of curvature is, for example, always at least 0.05 mm, preferably at least 0.1 mm, more preferably at least 0.5 mm, and even more preferably at least 2 mm, and even more preferably at least 10 mm. This preferably ensures that the material web 02 is stretched, in particular overstretched, by the at least one first stretching element 403 and, more preferably, is not cut. In particular, the at least one first stretching element 403, and more preferably each stretching element 403, 412, 413, is not designed as a knife.Any concave curvatures that may be present do not usually contribute to the contact area and / or the contact line.

[0070] For example, in at least one separation state, the transport line has a minimum radius of curvature of at least 0.05 mm, preferably at least 0.1 mm, more preferably at least 0.5 mm, and even more preferably at least 2 mm, and even more preferably at least 10 mm. This ensures that the material web 02 is not cut at any other point along the transport line.

[0071] In particular, to ensure controlled tearing of the material web 02 at a desired location, for example at the intended separation point, the at least one first strain element 403 is preferably designed such that, viewed along the axial direction A, the maximum radius of the at least one first strain element 403 increases and / or varies. This creates at least one location where the material web is first stretched particularly strongly and tears first. The resulting crack then preferably propagates along the at least one first strain element 403 and / or along a intended separation line and / or in the axial direction A.The separating device 400 is therefore preferably characterized in that a first reference plane and a second reference plane are arranged apart from each other in the axial direction A and that, in the case of a first expansion element 403 arranged in the at least one first separating position, a first transport line, which lies in particular completely in the first reference plane, and a second transport line, which lies in particular completely in the second reference plane, are of different lengths and / or that a maximum radius of movement of the at least one first expansion element 403 in the first reference plane is greater than in the second reference plane.

[0072] Preferably, the at least one first expansion element 403 is arranged eccentrically about a first expansion axis 414 so as to be pivotable and / or rotatable. In this way, a periodically recurring enlargement and reduction of the transport line can be achieved simply by means of a rotational movement. Preferably, neither the first clamping device 406 nor the second clamping device 404 has one or more grippers. For example, in the transport direction of the material web 02, at least one positioning device 461 is arranged after at least one second expansion element 412 and / or after at least one first expansion element 403 and / or after at least one third expansion element 413, in particular to guide the leading end of the material web 02 resulting from the separation into the rear clamping point 402. The at least one positioning device 461 has, for example, at least one blowing air nozzle, which is also directed downwards.For example, the at least one attachment device 461 is designed as at least one guide plate penetrated by a plurality of gas nozzles, wherein these gas nozzles are preferably connected via a common chamber and / or further connected to a compressed air source.

[0073] In a first embodiment of the at least one separating device 400, the at least one separating device 400 preferably has, in addition to at least one first movable stretching element 403, at least one second stretching element 412 and, more preferably, at least one third stretching element 413. This allows a large overall stretching of the material web 02 to be achieved even with small movements of the individual stretching elements 403, 412, and 413. Preferably, the at least one separating device 400 is characterized in that it has at least one second stretching element 412 that is movable between a second passage layer and a second separation layer, and in that it has at least one third stretching element 413 that is movable between a third passage layer and a third separation layer.The at least one second expansion element 412 is preferably arranged along the transport path provided for the material web 02 upstream of the at least one first expansion element 403 and upstream of the at least one third expansion element 413. The at least one first expansion element 403 is preferably arranged along the transport path provided for the material web 02 downstream of the at least one second expansion element 412 and upstream of the at least one third expansion element 413. The at least third expansion element 413 is preferably arranged along the transport path provided for the material web 02 downstream of the at least one second expansion element 412 and downstream of the at least one first expansion element 403.

[0074] The at least one first strain element 403 preferably has a non-zero distance from the at least one second strain element 412 at all times, particularly with respect to a direction orthogonal to the axial direction A. The at least one first strain element 403 preferably has a non-zero distance from the at least one third strain element 413 at all times, particularly with respect to a direction orthogonal to the axial direction A. The at least one second strain element 412 preferably has a non-zero distance from the at least one third strain element 413 at all times, particularly with respect to a direction orthogonal to the axial direction A.

[0075] This makes it possible to alternately apply the different stretching elements 403; 412; 413 to a first side or a second side of the material web 02. This creates a wave-like profile of the transport line in the separation state of the at least one separation device 400, which, even with small individual deflections of the individual stretching elements 403; 412; 413, results in a relatively large overall elongation of the material web 02 in the area of ​​the transport line.The at least one separating device 400 is further preferably characterized in that, with a first expansion element 403 arranged in the first separating position, a second expansion element 412 arranged in the second separating position, and a third expansion element 413 arranged in the third separating position, at least one straight connection between the at least one second expansion element 412 and the at least one third expansion element 413 intersects the at least one first expansion element 403, particularly in a geometric sense.

[0076] Preferably, the at least one separating device 400 is characterized in that the at least one first expansion element 403 is arranged eccentrically about a first expansion axis 414 so as to pivot and / or rotate, and / or that the at least one second expansion element 412 is arranged eccentrically about a second expansion axis 416 so as to pivot and / or rotate, and / or that the at least one third expansion element 413 is arranged eccentrically about a third expansion axis 417 so as to pivot and / or rotate. In this way, a periodically recurring enlargement and reduction of the transport line can be achieved simply by means of several rotational movements. Preferably, the at least one first expansion element 403, the at least one second expansion element 412, and the at least one third expansion element 413 are driven by at least one common drive and / or coupled to each other via at least one gearbox.Preferably, the first expansion axis 414 is spaced apart from the second expansion axis 416 and / or the third expansion axis 417. Preferably, the second expansion axis 416 is spaced apart from the third expansion axis 417. Preferably, the first expansion axis 414 is arranged parallel to the second expansion axis 416 and / or parallel to the third expansion axis 417. Preferably, the second expansion axis 416 is arranged parallel to the third expansion axis 417. Preferably, the first expansion axis 414 and / or the second expansion axis 416 and / or the third expansion axis 417 is oriented parallel to the axial direction A.

[0077] Preferably, the at least one second expansion element 412 has exclusively one or more convex curvatures, at least in its contact area and in particular its contact line, wherein the radius of curvature is not necessarily uniform but preferably varies in the circumferential direction. This radius of curvature is, for example, always at least 0.05 mm, preferably at least 0.1 mm, more preferably at least 0.5 mm, and even more preferably at least 2 mm, and even more preferably at least 10 mm. In a preferred embodiment, the at least one third expansion element 413 has exclusively one or more convex curvatures, at least in its contact area and in particular its contact line, wherein the radius of curvature is not necessarily uniform but preferably varies in the circumferential direction.This radius of curvature is, for example, always at least 0.05 mm, preferably at least 0.1 mm, more preferably at least 0.5 mm, and even more preferably at least 2 mm, and even more preferably at least 10 mm. This ensures that the material web 02 is stretched and not cut by the at least one second stretching element 412 and the at least one third stretching element 413. In particular, the at least one second stretching element 412 and the at least one third stretching element 413 are preferably not designed as knives. Any concave curvatures present typically do not contribute to the contact area.

[0078] For example, for the safe transport of the material web 02 and / or the separated sections 04, at least one guiding device 418; 419 is arranged at least in the area of ​​the at least one separating device 400. The at least one guiding device 418; 419 is, for example, designed as at least one planar, in particular rigidly arranged, guiding device 419, in particular as at least one guide plate 419, and / or is, for example, designed as at least one belt guiding system 418. Preferably, both at least one belt guiding system 418 and at least one planar, in particular rigidly arranged, guiding device 419 are arranged.Preferably, the at least one separating device 400 is characterized alternatively or additionally by having at least one belt guide system 418 comprising several conveyor belts 431 arranged one behind the other in an axial direction A and with gaps between them in this axial direction A. The at least one second expansion element 412 in its second separating position and / or the at least one third expansion element 413 in its third separating position is preferably arranged to project at least partially through the gaps. In this way, the conveyor line is raised further over the conveyor belts 431 and thereby lengthened.If at least one first expansion element 403 then dips between at least one second expansion element 412 and at least one third expansion element 413, the transport line is further extended without at least one first expansion element 403 having to extend under the conveyor belts 431.

[0079] Preferably, the at least one separating device 400 is characterized alternatively or additionally by the fact that the at least one second expansion element 412 in its second passing position and / or the at least one third expansion element 413 in its third passing position is arranged completely outside a half-space that is bounded by a transport plane defined by the conveyor belts 431 and in which the at least one first expansion element 403 is arranged in its first separating position and / or in its first passing position. This half-space is preferably arranged above the conveyor belts 431. A half-space is understood in particular to be that area of ​​space which is bounded exclusively by a plane. Each plane thus divides the entire space into two half-spaces.

[0080] For example, at least one guide plate 419 is arranged which supports the material web 02 and / or the sections 04 at least from below at least where the spaces between the conveyor belts 431 are arranged and at the same time no space is needed for movements of any expansion element 403; 412; 413.

[0081] Preferably, the at least one separating device 400 is characterized in that the at least one front clamping device 406 has at least one front draw roller 408 or inlet draw roller 408 and at least one front pressure roller 407 or inlet pressure roller 407 attached and / or adjustable thereto and / or that the at least one rear clamping device 404 has at least one rear draw roller 411 or outlet draw roller 411 and at least one rear pressure roller 409 or outlet pressure roller 409 attached and / or adjustable thereto.

[0082] Particularly in connection with the conveyor belts 431, a special embodiment of the front clamping device 406 and / or the rear clamping device 404 is preferred. This embodiment serves in particular to ensure that even after a section 04 is cut from the material web 02, any resulting leading end of the material web 02 is reliably guided into the rear clamping point 402 and / or along its transport path. Preferably, the at least one cutting device 400 is characterized in that the front pull roller 408 has a first plurality of circumferentially circumferential recesses 432 and / or that the front pressure roller 407 has a plurality of circumferentially circumferentially circumferential recesses 433, in particular identical to the first plurality. The conveyor belts 431 then preferably run through the recesses 432, in particular of the front pull roller 408.For example, the depth of the recesses 432 of the front traction roller 408 is greater than the thickness or smallest dimension of the conveyor belts 431. This allows the conveyor belts 431 to be arranged in the recesses 432 without coming into contact with the material web 02 or the sections 04 in this area, or at least with only a weak force. This allows for a minimal or even a significant difference between the speed at which the conveyor belts 431 move and the speed at which the material web 02 or the sections 04 move, and which corresponds to the circumferential speed of the front traction roller 408 and / or the front pressure roller 407 and / or the rear traction roller 411 and / or the rear pressure roller 409.Preferably, the circumferential recesses 432 of the front traction roller 408 are narrower in the axial direction A than the circumferential recesses 433 of the front pressure roller 407 and / or the circumferential recesses 432 of the front traction roller 408 are arranged in pairs opposite the circumferential recesses 433 of the front pressure roller 407.

[0083] The at least one front traction roller 408 preferably has a outer surface made of a wear-resistant material, for example, steel and / or chromium and / or ceramic and / or a wear-resistant hard metal alloy such as WC / Co, Cr 3 C 2 / NiCr, NiCrBSi, WC / Ni, TiC / Ni, molybdenum, or the like, which is further preferably applied by a thermal spraying process. The at least one front pressure roller 407 preferably has a outer surface made of a relatively soft material, for example, rubber. This ensures that the material web 02 and / or the sections 04 are reliably transported forward and / or clamped, and that no embossing is produced by the edges of the recesses 432; 433.

[0084] Preferably, the at least one separating device 400 is characterized in that the rear traction roller 411 has a plurality of circumferentially circumferential recesses 432, in particular identical to the first plurality, which preferably correspond substantially to the recesses 432 of the front traction roller 408, and / or that the rear pressure roller 409 has a plurality of circumferentially circumferential recesses 433, in particular identical to the first plurality, which preferably correspond substantially to the recesses 433 of the front pressure roller 408.Preferably, the circumferential recesses 432 of the rear traction roller 411 are narrower in the axial direction A than the circumferential recesses 433 of the rear pressure roller 409, and / or the circumferential recesses 432 of the rear traction roller 411 are arranged in pairs opposite the circumferential recesses 433 of the rear pressure roller 409. The at least one rear traction roller 411 preferably has a surface made of a wear-resistant material, for example steel and / or chromium and / or ceramic and / or a wear-resistant hard metal alloy such as WC / Co, Cr₃C₂ / NiCr, NiCrBSi, WC / Ni, TiC / Ni, molybdenum, or similar, which is further preferably applied by a thermal spraying process. The at least one rear pressure roller 409 preferably has a cylindrical surface made of a relatively soft material, for example rubber.For example, the depth of the recesses 432 of the rear traction roller 408 is greater than the thickness or smallest dimension of the conveyor belts 431. Alternatively, the depth of the recesses 432 of the rear traction roller 408 is the same as the thickness or smallest dimension of the conveyor belts 431.

[0085] Preferably, the front traction roller 408 has its own drive motor, which is used in particular to control the speed at which the material web 02 is transported through the front clamping point 401. The front pressure roller 407 is preferably passively driven via contact with the front traction roller 408. Preferably, the rear traction roller 411 has its own drive motor, which is used in particular to control the speed at which the material web 02 and / or the respective section 04 is transported through the rear clamping point 402. The rear pressure roller 409 is preferably passively driven via contact with the rear traction roller 411.Preferably, the at least one separating device 400 is characterized alternatively or additionally by the fact that the at least one first expansion element 403 and / or the at least one second expansion element 412 and / or the at least one third expansion element 413 can be driven via a common drive and / or independently of the front clamping device 406 and / or the rear clamping device 404.

[0086] For example, at least one separating infeed roller 429 is arranged to ensure correct feeding of the material web 02 to the separating device 400. Preferably, the conveyor belts 431 are in contact with the rear traction roller 411 at an angle of at least 90° and are driven by it. Alternatively, another roller is responsible for driving the conveyor belts 431, for example, a roller arranged along the transport path of the sections 04 after the rear traction roller 411. Preferably, one or more deflection rollers 426; 427 are arranged to guide the conveyor belts 431 around the front traction roller 408. Then the conveyor belts 431 have only minimal contact with the front traction roller 408 and can be driven independently of it. Preferably, at least one tensioning roller 428 is arranged to allow for adjustment of the tension of the conveyor belts 431.

[0087] In an alternative second embodiment of the separating device 400, the separating device 400 has, in particular, at least one support cylinder 451 instead of the second and third expansion elements 412; 413, which has at least one first cylinder channel 452. This separating device 400 then preferably has at least one expansion cylinder 453 cooperating with the support cylinder 451, which carries the at least one first expansion element 403 and has at least one second cylinder channel 454. The second cylinder channel 454 preferably extends circumferentially by at least 30°, and more preferably at least 90°, and at most 270°, and more preferably at most 180° around the at least one expansion cylinder 453. Preferably, the separating device 400 then has at least one first clamping cylinder 456, which has at least one first clamping projection 457, which preferably forms the front clamping device 406 with the support cylinder 451 in at least one clamping position.The at least one first clamping projection 457 preferably extends circumferentially by at least 90°, and more preferably by at least 180°, and more preferably by at most 30°, and more preferably by at most 90°, around the at least one first clamping cylinder 456. Preferably, the separating device 400 then has at least one second clamping cylinder 458, which has at least one second clamping projection 459, which preferably forms the rear clamping device 404 with the support cylinder 451 in at least one clamping position. The at least one second clamping projection 459 preferably extends circumferentially by at least 90°, and more preferably by at least 180°, and more preferably by at most 30°, and more preferably by at most 90°, around the at least one second clamping cylinder 458.Preferably, at least one support cylinder 451 and at least one expansion cylinder 453 can be driven jointly and / or by means of a common drive and / or independently of at least one first clamping cylinder 456 and / or independently of at least one second clamping cylinder 458.

[0088] The at least one support cylinder 451 preferably has a outer surface made of a wear-resistant material, for example steel and / or chromium and / or ceramic and / or a wear-resistant hard metal alloy such as WC / Co, Cr 3 C 2 / NiCr, NiCrBSi, WC / Ni, TiC / Ni, molybdenum or the like, which is further preferably applied by a thermal spraying process. Preferably, the expansion cylinder 453 and / or the first clamping cylinder 456 and / or the second clamping cylinder 458 each have a outer surface made of a relatively soft material, for example rubber.

[0089] Regardless of whether the at least one separating device 400 is configured in the first or the second embodiment, it preferably allows a method for separating at least one section 04 from a web of material 02. For example, sheets 03 are first taken from a stack of sheets 102 and separated, in particular to the extent that each sheet 03 has a gap from its directly adjacent sheets 03. The separated sheets 03 are then preferably individually aligned. The aligned sheets 03 are then preferably brought into a shingled arrangement relative to one another. In particular, each subsequent sheet 03 is partially placed under a preceding sheet 03. This arrangement is called under-shingling. The shingled, but in particular still relatively independent, sheets 03 are then joined to form a web of material 02 by means of at least one laminating material 321; 331.The material web 02 is preferably clamped in at least one front clamping point 401 or at least one front clamping device 406, and in at least one rear clamping point 402 or at least one rear clamping device 404, particularly regardless of its origin. A transport line is preferably the shortest component of any part of the separating device 400, lying completely in a vertical reference plane on the same side as the material web 02 and / or the connection between the at least one front clamping point 401 and the at least one rear clamping point 402, which passes through or is tangent to at least one section 04. At least one first stretching element 403 is moved from a first passing position to a first separating position, thereby stretching the transport line to such an extent that the at least one section 04 tears away from the material web 02.In particular, at least one section 04 tears away from the material web 02 by tearing at least one laminating material 321; 331.

[0090] Preferably, the material web 02 tears at a designated separation point. Preferably, after tearing, the separated section 04 is initially clamped at the rear clamping point 402 and can therefore be guided and transported further by the rear clamping device 402. Preferably, after tearing, the material web 02 is at least initially clamped at the front clamping point 401 and can therefore be guided and transported further by the front clamping device 401.

[0091] In particular, the movement of at least one first stretching element 403 from the first passing position to the first cutting position occurs while the material web 02 and any already cut sections 04 are transported forward along the transport path. Therefore, the transport of the material web 02 and the cut sections 04 does not need to be interrupted. This is preferably achieved by forming the clamping points 401; 402 with rotating components.

[0092] The following describes a part of a process in which the first embodiment of the separating device 400 is used. Initially, the material web 02 is clamped at both the front clamping point 401 and the rear clamping point 402. Due to the rotation of the front traction roller 408 about its axis of rotation 422, the front pressure roller 407 about its axis of rotation 421, the rear traction roller 411 about its axis of rotation 424, and the rear pressure roller 409 about its axis of rotation 423, the material web is nevertheless transported through both clamping points 401 and 402. During the transport of the material web 02, the at least one second expansion element 412 is pivoted about its second expansion axis 416 and thereby moved into a space previously occupied by the material web 02. The at least one second expansion element 412 thus rises, for example, above a plane formed by the conveyor belts 431.This deflects, in particular lifts, the transport line, thereby stretching or lengthening it. Preferably, the rotation direction of the at least one second stretching element 412 is selected such that, in the positions, particularly separation positions, in which it extends the transport line, the at least one second stretching element 412 exhibits a movement component that runs parallel to a transport direction of the material web 02. This preferably results in as little relative movement as possible between the material web 02 and the at least one second stretching element 412. Unwanted damage to the material web 02 is thereby reduced or avoided.An angular range of movement of the at least one second expansion element 412, in which the at least one second expansion element 412 projects at least partially beyond the plane formed by the conveyor belts 431, is preferably at least 100° and further preferably at least 120° and preferably at most 150° and further preferably at most 130°.

[0093] Also during the transport of the material web 02, the at least one third expansion element 413 is pivoted about its third expansion axis 417 and thereby moved into a spatial area previously occupied by the material web 02. The at least one third expansion element 413 thus rises, for example, above the plane formed by the conveyor belts 431. This deflects, in particular lifts, the transport line, thereby stretching or lengthening it. Preferably, the rotation direction of the at least one third expansion element 413 is selected such that, in the positions, in particular separating positions, in which it extends the transport line, the at least one third expansion element 413 has a movement component that runs parallel to a transport direction of the material web 02. This preferably results in as little relative movement as possible between the material web 02 and the at least one third expansion element 413.Unwanted damage to the material web 02 is thereby reduced or avoided. The angular range of movement of the at least one third expansion element 413, in which the at least one third expansion element 413 projects at least partially beyond the plane formed by the conveyor belts 431, is preferably at least 100°, more preferably at least 120°, more preferably at most 150°, and more preferably at most 130°.

[0094] Also during the transport of the material web 02, the at least one first expansion element 403 is pivoted about its first expansion axis 414 and thereby at least partially moved into a spatial area that, at that time, is located between parts of the at least one second expansion element 412 and parts of the at least one third expansion element 413. The at least one first expansion element 403 thus lowers, for example, between the at least one second expansion element 412 and the at least one third expansion element 413. This further extends the transport line, in particular by preventing it from being raised and / or lowered in this area, and thus stretching or lengthening it.Preferably, the rotation direction of the at least one first stretching element 403 is selected such that, in the layers, particularly separation layers, in which it extends the transport line, the at least one first stretching element 403 has a movement component that runs parallel to a transport direction of the material web 02. This preferably results in as little relative movement as possible between the material web 02 and the at least one first stretching element 403. Unwanted damage to the material web 02 is thereby reduced or avoided.The method is then preferably characterized in that, for stretching the transport line, at least a second stretching element 412 is moved from a second passing layer to a second separating layer and / or at least a third stretching element 413 is moved from a third passing layer to a third separating layer, and the transport line acquires at least one additional inflection point with respect to its curvature, in particular by this. An inflection point is, in particular, a point at which a curvature changes its direction and / or its leading edge.

[0095] Extending the transport line separates section 04 from the material web 02. Preferably, the intended separation point is located in the area of ​​at least one first expansion element 403 with respect to the transport path of the material web 02. The separated section 04 is transported further by the rear clamping device 404. The leading end of the material web 02 preferably rests on the conveyor belts 431 after a further movement of the expansion elements 403, 412, and 413 and is guided by them into the rear clamping device 404. The cycle then begins again. While the expansion elements 403, 412, and 413 are arranged in their respective passing positions, they are preferably out of contact with the material web 02.In particular, due to the preferably independent drive of the expansion elements 403, 412, 413 from the drives of the clamping devices 404; 406, these can now be operated at increased or decreased speed and then accelerated in the opposite direction. This allows the cutting device 400 to be adapted to different lengths between predetermined cutting points and thus to different lengths of the arcs 03 and / or sections 04.

[0096] Preferably, the method is characterized alternatively or additionally by the fact that the at least one first expansion element 403 and / or the at least one second expansion element 412 and / or the at least one third expansion element 413 is driven independently of the front clamping device 406 and / or independently of the rear clamping device 404 and / or with a particularly periodically fluctuating angular velocity. This allows, on the one hand, adaptation to different section lengths, i.e., different target lengths of the sections 03.On the other hand, this allows the relative speed between material web 02 on the one hand and first stretching element 403 and / or second stretching element 412 and / or third stretching element 413 on the other hand to be kept as low as possible, especially since the speed of the respective stretching element 403; 412; 413 is divided for most of the time into a component parallel to the transport direction of the material web 02 and a component orthogonal to it due to its rotation.

[0097] Preferably, the method is alternatively or additionally characterized by the fact that an angular velocity of the at least one second stretching element 412 is initially reduced and subsequently increased again during its contact with the material web 02 and / or is driven at a distance from the material web 02 with an angular velocity that varies depending on a provided section length and / or that an angular velocity of the at least one third stretching element 413 is initially reduced and subsequently increased again during its contact with the material web 02 and / or is driven at a distance from the material web 02 with an angular velocity that varies depending on a provided section length.Preferably, the method is characterized alternatively or additionally by the fact that an angular velocity of at least one second stretching element 412 always corresponds to an angular velocity of at least one third stretching element 413.

[0098] The separating device 400 for separating sections 04 from a material web 02, which, as described, preferably has at least one front clamping device 406 with at least one front clamping point 401 and at least one rear clamping device 404 with at least one rear clamping point 402 and at least one first stretching element 403, wherein preferably by moving at least one first stretching element 403 between at least one first pass-through layer and at least one first cut-through layer, the separating device 400 can be switched between at least one pass-through state and at least one cut-through state, or the lamination machine 01 having this separating device 400 preferably has at least one separation sensor device 463. This at least one separation sensor device 463 is preferably connected to a machine control system of the lamination machine 01.

[0099] Preferably, at least one separation sensor device 463 is arranged to detect each gap between the material web 02 and the most recently separated section 04. This separation sensor device 463 can thus be used to monitor whether the separation of a section 04 from the material web 02 has been successful. Preferably, the separation sensor device 463 measures directly in the area where the separation takes place, i.e., in the area of ​​the separation device 400. The separation device 400 is preferably characterized in that the at least one separation sensor device 463 has at least two sensor elements 464, 466, 467, and that at least one straight connection between these at least two sensor elements 464, 466, 467 intersects a planned transport path of the material web 02 through the separation device 400. This allows for the measurement of a signal that can be determined at the moment of separation.For example, the overstretching and tearing of section 04 from the material web 02 creates, at least briefly, a narrow gap between the material web 02 and the section 04 that has just been cut off. A signal, such as an electromagnetic signal, particularly a light signal, can be transmitted through this gap. The transmission of the signal confirms that the gap existed, at least briefly, even if a subsequent reduction in the transport line by moving the stretching elements 403, 412, and 413 causes the newly created trailing end of the cut-off section 04 to overlap again with a newly created leading end of the material web 02, thus interrupting the signal. This subsequent overlap does not invalidate the successful separation of section 04.

[0100] Preferably, the separating device 400 is characterized in that the at least one separating sensor device 463 has at least one first sensor element 467, which is arranged above a provided transport path of the material web 02 through the separating device 400, and that the at least one separating sensor device 463 has at least one second sensor element 464; 466, which is arranged below the transport path of the material web 02 through the separating device 400. Preferably, the separating device 400 is characterized in that the at least one separating sensor device 463 has at least one sensor element 464; 466; 467, which is arranged along the provided transport path of the material web 02 through the separating device 400 after the front clamping point 401 and / or before the rear clamping point 402.The separating device 400 is further preferably characterized in that both the at least one first sensor element 467 of the separating device 400 and the at least one second sensor element 464; 466 of the separating device 400 are arranged along the intended transport path of the material web 02 through the separating device 400 after the front clamping point 401 and / or before the rear clamping point 402. This allows the separation to be checked as early as possible.

[0101] The at least one separation sensor device 463 preferably comprises at least one sensor element 464 configured as a detector 464, which is further preferably configured as at least one detector 464 for electromagnetic radiation. Preferably, the at least one separation sensor device 463 comprises at least one sensor element 466 configured as a transmitter 466 for electromagnetic radiation. For example, the transmitter 466 is a light source, in particular a light-emitting diode. For example, the at least one detector 466 is configured as a light sensor 466 or photocell 466.

[0102] Preferably, the separating device 400 is characterized in that the at least one separating sensor device 463 has at least one sensor element 467 designed as a reflector 467, which is designed in particular as a reflector 467 for electromagnetic radiation.

[0103] Alternatively or additionally, the separating device 400 is preferably characterized in that at least one sensor element 464; 466; 467 is movably arranged together with the at least one first strain element 403 and / or that at least one sensor element 464; 466; 467 is fixed in position relative to the at least one first strain element 403. In particular, the at least one sensor element 467 designed as a reflector 467 is preferably movably arranged together with the at least one first strain element 403 and / or fixed in position relative to the at least one first strain element 403.Preferably, alternatively or additionally, at least one sensor element 464; 466; 467 is arranged in a fixed position relative to a frame of the separating device 400, wherein, further preferably, the at least one sensor element 464 designed as a detector 464 is arranged in a fixed position relative to the frame of the separating device 400 and / or the at least one sensor element 466 designed as a transmitter 466 is arranged in a fixed position relative to the frame of the separating device 400.

[0104] In a preferred embodiment, the at least one detector 464 is configured as a sensor element 464, which is arranged below the transport path of the material web 02 through the separating device 400, and the at least one transmitter 466 for electromagnetic radiation is configured as a sensor element 466, which is arranged below the transport path of the material web 02 through the separating device 400, and the at least one reflector 467 is configured as a sensor element 467, which is arranged above the intended transport path of the material web 02 through the separating device 400. Electromagnetic radiation emitted by the transmitter 466 can then, with appropriate relative alignment, be reflected by the reflector 467 and directed onto the detector 464. However, this is only possible as long as neither the material web 02 nor sections 04 separated from it interrupt the beam path.

[0105] Preferably, the separating device 400 is characterized in that, at least and more preferably exclusively when the first straining element 403 is arranged in its separating position, a beam path of electromagnetic radiation emanating from the transmitting device 466 is reflected by a reflector 467 of the separating sensor device 463 and directed onto the detector 464 of the separating sensor device 463. Firstly, the beam path is interrupted by the material web 02 as long as a separation has not yet taken place and / or is not taking place. Secondly, at least with a corresponding arrangement of the reflector 467 on the first straining element 403, the position of this first straining element 403 is also relevant, because reflection is only possible if the reflector 467 is arranged in the corresponding orientation.A situation in which reflection and thus registration of a corresponding signal is possible is preferably only present if the first stretching element 403 is arranged in its separating position and the transport line is enlarged just enough that a section 04 has torn off the material web 02 and the overlap at this point is eliminated, creating a gap between the material web 02 and section 04. The first stretching element 403 must also preferably be arranged in its separating position for this overstretching.

[0106] Alternatively, the separating device 400 is characterized in that, at least and further preferably exclusively when the first expansion element 403 is arranged in its separating position, a transmission direction from the at least one transmitting device 466 points directly to a detector 464 of the separating sensor device 463.

[0107] In regular operation, confirmation of successful separation of a section 04 from the material web 02 should occur at least once per movement cycle of the first stretching element 403. This is preferably monitored by a machine control system. If the expected signal is not received, an error has occurred, for example, an incomplete or missing separation. As a reaction, the operation of the cutting device 400 and / or the lamination machine 01 is interrupted.

[0108] The following describes part of a method in which the second embodiment of the separating device 400 is used. The method is preferably characterized in that the at least one first expansion element 403, in its separating position, assumes a position in which it is intersected by a straight line connecting two channel edges bounding the first cylinder channel 452, thereby giving the transport line at least one additional turning point with respect to its curvature.

[0109] Initially, the material web 02 runs between the front clamping point 401 and the rear clamping point 402. The front clamping point 401 is defined by a front clamping device 406, which in this case is formed by the support cylinder 451 on one side and the at least one first clamping cylinder 456, and in particular its first clamping projection 457, on the other. The rear clamping point 402 is defined by a rear clamping device 404, which in this case is formed by the support cylinder 451 on one side and the at least one second clamping cylinder 458, and in particular its second clamping projection 458, on the other. The material web 02 is transported forward by rotation of the support cylinder 451, the first clamping cylinder 456, and the second clamping cylinder 458.When the at least one expansion cylinder 453 is in a corresponding rotational position, the first expansion element 403 attached to it dips into the first cylinder channel 452 of the support cylinder 451, which is then opposite the at least one expansion cylinder 453. This results in the lengthening or stretching of the transport line and thus the tearing of the material web 02, analogous to the method using the first embodiment of the at least one cutting device 400.

[0110] The detached section 04 is guided from the rear clamping point 402 and transferred to a device 502; 503 that ensures its safe onward transport, for example, another clamping point 503, a conveyor belt 502, or a suction belt 502. After this has occurred, adjustments to section lengths are made, for example, by briefly rotating the at least one support cylinder 451 and the at least one expansion cylinder 453 at a different circumferential speed than the first clamping cylinder 456 and the second clamping cylinder 458. To enable this, the circumference of the first clamping cylinder 456 is preferably divided into the first clamping projection 457 on the one hand and a lowered section 04 on the other, such that the first clamping cylinder 456 temporarily loses contact with the support cylinder 451.Furthermore, the circumference of the second clamping cylinder 458 is preferably divided into the second clamping projection 459 on the one hand and a correspondingly lowered section 04 on the other, such that the second clamping cylinder 458 temporarily, and in particular simultaneously with the first clamping cylinder 456, loses contact with the support cylinder 451. The second cylinder channel 454 of the at least one expansion cylinder 453 is preferably also selected in its position and circumferential extent such that the at least one support cylinder 451 also loses contact with the at least one expansion cylinder 453 simultaneously. This allows the support cylinder 451 to be rotated without affecting the material web 02. Instead, the material web slides on the support cylinder 451 during this time.The support cylinder 451 preferably has one or more openings for drawing in and / or expelling gas, in particular air, for example in order to be able to selectively hold and / or release the material web 02 arranged thereon and / or the part of the corresponding section 04 arranged thereon.

[0111] The second cylinder channel 454 of the at least one expansion cylinder 453 and the second clamping elevation 459 of the second clamping cylinder 458 are preferably selected in their respective position and extent in the circumferential direction such that, after separation of the section 04 from the material web 02, a leading end of the material web 02 is reliably guided into the rear clamping point 402 and, even more preferably, into the subsequent device 502; 503, before the expansion cylinder 453 and the second clamping cylinder 458 again come out of contact with the support cylinder 451.

[0112] Regardless of the embodiment of the at least one separating device 400, the separated sections 04 are subsequently transported further, in particular by means of a suitable device 502, for example a conveyor belt 502 and / or a suction belt 502. Preferably, the sections 04 are accelerated to an increased speed at least briefly after the separating device 400 in order to separate the sections. This facilitates placement on at least one delivery stack. The processing machine 01 preferably has at least one sheet delivery unit 500. The sheet delivery unit 500 is, for example, designed as a multi-sheet delivery unit 500. The sections 04 are preferably placed on one or more stacks in the sheet delivery unit 500.For example, the sheet delivery unit 500 has three delivery stacks, of which preferably two are intended for the continuous processing of sheets 03 and / or sections 04, and one is designed as a waste stack. Before being placed on one of the stacks, the sections 04 are preferably decelerated again.

[0113] The processing machine 01, for example, has at least one disposal device 501; 504, in particular for laminating material 321; 331 and, more preferably, exclusively for laminating material 321; 331. The at least one disposal device 501; 504 has, for example, at least one extraction device 501 and / or at least one comminution device 501 and / or at least one cutting device 504 for cross-cutting laminating material 321; 331. The at least one cutting device 504 is preferably designed as a laser cutting device 504 and / or as a hot cutting device 504 and / or as a cutting device 504 exclusively for laminating material 321; 331. A hot cutting device 504 is, in particular, a device that has a heated and / or heatable element that cuts through the laminating material 321; 331 by means of thermal energy upon contact with it.The at least one cutting device 504 is to be distinguished in particular from the cutting device 400.

[0114] For example, the cutting device 504 has at least one drive, in particular at least one electric and / or pneumatic and / or hydraulic and / or magnetic drive. For example, when the processing machine 01 starts up, two webs of laminating material 321; 331 are first fed into the laminating unit 310 and joined there, and then guided through the separating device 400 to the disposal unit 501; 504. Only later is the material 02 to be laminated, in particular the sheets 03, fed in and the actual material web 02 produced.The portion of the laminate material 321; 331 webs into which no sheets 03 have yet been incorporated is preferably disposed of by means of the disposal device 501; 504, for example, by being cut from the remaining material web 02 by means of the cutting device 504 and / or by being extracted by means of the suction device 501 and / or by being shredded by means of the shredding device 501. As soon as the portion of the material web 02 containing the first sheet 03 arrives in the area of ​​the disposal device 501; 504, a cut is made between the portion consisting only of laminate material 321; 331 and the first portion also consisting of sheets 03. Preferably, a cut is made in the axial direction A by means of the cutting device 504, in particular a laser cutting device 504. The cutting device 504 cuts through the laminate material 321; 331 preferably over its entire extent in the axial direction A.The disposal device 501; 504 preferably disposes of the laminating material 321; 331 over its entire extent in the axial direction A. Afterwards, the processing machine 01 operates continuously as already described.

[0115] The lamination machine 01, which preferably has at least one material source 100 for material 02 to be laminated and preferably has at least one lamination unit 310 and preferably has at least one lamination source 320; 330 for at least one web-shaped lamination material 321; 331, is preferably characterized by at least one insertion means 342; 343. In particular, preferably at least within the lamination unit 310, at least temporarily and more preferably permanently, at least one insertion means 342; 343 is arranged and / or can be arranged for inserting the lamination material 321; 331, which is movable along at least one insertion path 344; 346. The respective insertion means 342; 343 is, in particular, different from each lamination material 321; 331.In particular, the lamination machine 01 is preferably characterized in that at least parts of the at least one insertion path 344; 346 and further preferably all parts of the at least one insertion path 344; 346 and / or the entire insertion path 344; 346 have a distance of at least 1 cm, further preferably at least 2 cm, even more preferably at least 4 cm and even more preferably at least 8 cm, in the axial direction A to each component of a transport path provided for the at least one lamination material 321; 331 within the lamination unit 310.

[0116] Preferably, the lamination machine 01 is characterized alternatively or additionally by the fact that the at least one lamination unit 310 has at least one lamination roller 311; 312 and / or at least one pressure roller 317, which each form at least one lamination area 313; 314 in their respective common contact area, and that at least one such lamination roller 311; 312 and / or at least one such pressure roller 317 is arranged to be movable orthogonal to the axial direction A between at least one lamination position and at least one feed position. This mobility allows not only the adjustment of a contact force in the lamination area 313; 314, but also facilitates the feeding of the laminating material 321; 331.In particular, this allows the necessary space to be created to feed through one or more webs of laminating material 321; 331, optionally together with corresponding connecting elements 347. With the laminating roller 311; 312 and / or pressure roller 317 arranged in the respective feed position, a gap is therefore preferably present in at least one lamination area 313; 314 between the laminating rollers 311; 312 and / or pressure rollers 317 forming this lamination area 313; 314, which allows the feed-in of at least one web-shaped laminating material 321; 331. This gap is preferably at least 0.5 mm, more preferably at least 1 mm, even more preferably at least 2 mm, and even more preferably at least 5 mm, and regardless of these, preferably at most 100 mm, more preferably at most 50 mm, even more preferably at most 20 mm, and even more preferably at most 10 mm.The axial direction A is preferably oriented parallel to a rotation axis of a lamination roller 311; 312 and / or to a rotation axis of a press roller 317.

[0117] The lamination machine 01 is preferably characterized in that at least one web-shaped lamination material 321; 331 is connected and / or connectable to the at least one insertion element 342; 343 via at least one connecting element 347. This connecting element 347 is preferably designed as at least one insertion tip 347.

[0118] The at least one insertion means 342; 343 is, for example, configured as a finite insertion means 342; 343, in particular as an insertion chain 342; 343 or a finite insertion belt 342; 343. Preferably, however, the at least one insertion means 342; 343 is configured as at least one endless insertion means 342; 343, in particular as at least one insertion belt 342; 343, which is further preferably endless. Preferably, the at least one insertion means 342; 343 is permanently arranged along its at least one insertion path 344; 346 within the lamination machine 300.

[0119] For example, the at least one insertion means 342; 343 each has at least two provided connection points at which at least one web-shaped lamination material 321; 331 can be connected directly and / or via at least one connecting element 347 to the at least one insertion means 342; 343.

[0120] Preferably, the laminating machine 01 is characterized alternatively or additionally by the fact that, at least within the laminating unit 310, at least temporarily and more preferably permanently, at least two different feed elements 342; 343, movable along at least one respective feed path 344; 346, are arranged and / or can be arranged for the separate and / or simultaneous feed of different laminating materials 321; 331. Thus, a first feed element 342 can feed the first laminating material 321, by means of which the sheets 03 are laminated on a first side, for example, the top. Independently of this, simultaneously or at a later time, a second feed element 343 can feed the second laminating material 331, by means of which the sheets 03 are laminated on an opposite second side, for example, the bottom.In particular, to ensure this independence, the lamination machine 01 is alternatively or additionally preferably characterized by the fact that the respective insertion paths 344; 346 of the at least two different insertion means 342; 343 are spaced apart from each other in the axial direction A and / or that the transport path provided for the at least one lamination material 321; 331 within the lamination unit 310 is arranged at least sectionally between at least two insertion paths 344; 346, each of which is assigned to one of the at least two insertion means 342; 343, with respect to the axial direction A.

[0121] The first laminating material 321 preferably originates from the first laminating source 320. The second laminating material 331 preferably originates from the second laminating source 330. Alternatively or additionally, the laminating machine 01 is preferably characterized in that a first feed path 344 assigned to a first feed element 342 is assigned to a first laminating source 320, and a second feed path 346 assigned to a second feed element 343 is assigned to a second laminating source 330. This assignment is evident, for example, in that the first feed path 344 extends relatively close to the first laminating source 320. The resulting first laminating material 321 can then be connected to the first feed element 342 particularly easily, either directly or via a connecting element 347, for example, manually or automatically.This arrangement is further demonstrated, for example, by the fact that the second insertion path 346 extends relatively close to the second lamination source 330. The resulting second lamination material 331 can then be easily connected directly or via a connecting element 347 to the second insertion device 343, for example manually or automatically.

[0122] However, it is preferably ensured that the first feed path 344 and the second feed path 346 are assigned to the same lamination unit 310. Thus, lamination materials 321; 331 originating from both lamination sources 320; 330 can be fed to the same lamination unit 310 to laminate the material 02 on both sides. Alternatively or additionally, the lamination machine 01 is further preferably characterized in that the first feed path 344 and the second feed path 346 are assigned to the same separating device 400 of the lamination machine 01. Then the two lamination materials 321; 331 can be guided individually or together through the separating device 400. Even more preferably, the lamination machine 01 is further preferably characterized in that the first feed path 344 and the second feed path 346 are assigned to the same disposal unit 501; 504 and / or cutting device 504 of the lamination machine 01 are assigned.Then the two laminating materials 321; 331 can be conveyed individually or together to this disposal facility 501; 504 and / or cutting device 504.

[0123] Preferably, at least one retraction guide element is arranged by means of which the at least one retraction path 344; 346 of the at least one retraction means 342; 343 can be determined and / or fixed. The at least one retraction guide element is preferably designed as a chain rail or deflection roller.

[0124] A preferred process is a method for laminating a material 02, in particular sheets 03. In this process, preferably at least one laminating material 321; 331 is first conveyed from a lamination source 320; 330 through the at least one lamination unit 310 and further preferably through the at least one cooling device 340 and / or the at least one separating device 400, wherein the at least one laminating material 321; 331 is conveyed at least partially along a transport path provided at least for the laminated material 02.

[0125] During a process for laminating a preferably arc-shaped material 02 or arcs 03 of a material 02, at least one insertion process is preferably carried out to insert at least one web-shaped laminating material 321; 331 into at least one laminating unit 310 of a laminating machine 01. The insertion process is preferably characterized in that, during the insertion process, at least one insertion means 342; 343 is moved along an insertion path 344; 346 through the at least one laminating unit 310 and thereby pulls the at least one web-shaped laminating material 321; 331 along a transport path provided for this at least one laminating material 321; 331, and that the insertion path and the provided transport path are spaced apart from each other in the axial direction A.

[0126] As described, the at least one laminating unit 310 preferably comprises at least one laminating roller 311; 312 and / or at least one pressure roller 317, which each form at least one laminating area 313; 314 in pairs within their respective common contact area. The method is alternatively or additionally preferably characterized in that, first, in an opening process, at least one such laminating roller 311; 312 and / or at least one such pressure roller 317 is moved orthogonally to the axial direction A from a laminating position to a drawing-in position. In particular, thereafter, in a passing process, a leading end of the web-shaped laminating material 321; 331 preferably passes through the at least one laminating area 313; 314 and, more preferably, both laminating areas 313; 314, in particular by the respective drawing means 342; 343.The method is alternatively or additionally preferably characterized by the fact that, in a setup process, at least one such lamination roller 311; 312 and / or at least one such press roller 317 is moved orthogonally to the axial direction A from the feed-in position to the lamination position. More preferably, the lamination process is then started.

[0127] The method is alternatively or additionally preferably characterized in that the at least one connecting element 347 passes through at least one lamination area 313; 314 of the at least one lamination unit 310, while at least one lamination roller 311; 312 and / or press roller 317 defining this at least one lamination area 313; 314 is arranged in its feed-in position, which is different from a lamination position assigned to this lamination roller 311; 312 and / or press roller 317.

[0128] The method is alternatively or additionally preferably characterized by the fact that the at least one insertion means is connected directly, or more preferably by means of at least one connecting element 347, to the at least one web-shaped lamination material 321; 331 in a joining process. This preferably occurs before the passing process. The connection is made, for example, by hooking and / or magnetically and / or by screwing and / or by closing a hook and loop fastener.

[0129] The process is alternatively or additionally preferably characterized by the fact that, after the insertion process, the material 02 to be laminated is fed to the at least one lamination unit 310 and laminated there by bonding it with the at least one web-shaped laminating material 321; 331. More preferably, the webs of the laminating materials 321; 331 are then unwound, pivoted together, and bonded as already described.

[0130] Preferably, after the laminating material 321; 331 is drawn in, the material 02 to be laminated is transported into the laminating unit 310, where a laminated material web 02 is produced. This does not preclude the material 02 from being moved to another area of ​​the processing machine 01 beforehand, but lamination preferably only begins then. Preferably, a leading section of the at least one laminating material 321; 331 is fed to the disposal unit 501; 504, for example manually and / or by suction of the leading end of the laminating material 321; 331. Preferably, this involves two layers of laminating material 321; 331, in particular one from the upper laminating source 320 and one from the lower laminating source 330.The leading portion of the at least one laminating material 321; 331 is preferably separated from the remaining laminating material 321; 331 and / or from the laminated material web 02, in particular by cutting, for example by means of the cutting device 504, which is preferably designed as a laser cutting device 504. The laminated material web 02 is preferably transported along a different transport path than the leading portion of the at least one laminating material 321; 331. For example, the leading portion of the at least one laminating material 321; 331 is suctioned upwards, while the laminated material web 02 is transported essentially horizontally.In this way, starting up the lamination machine 01 can be made particularly easy, because in subsequent areas, for example in the sheet delivery 500 or multi-sheet delivery 500, no handling of bare laminating material 321; 331 is necessary, but only well or poorly laminated sections 04 have to be treated, which in particular have different material properties than bare laminating material 321; 331, for example greater mechanical stability.

[0131] Preferably, the processing machine 01 has at least one, in particular a higher-level, machine control system. This machine control system is preferably used to monitor whether the overlap of the sheets 03 is correct, whether lamination proceeds as intended, and / or whether the separation of the sections 04 from the material web 02 is successful.

[0132] The lamination machine 01, which, as described, preferably has at least one material source 100 designed as a sheet feeder 100 for sheets 03 of a material 02 to be laminated, and preferably has at least one shingling device 200; 206; 207; 208 for shingling unlaminated sheets 03 relative to each other, and preferably has at least one lamination unit 310 for producing a laminated material web 02 from the sheets 03, is preferably alternatively or additionally characterized in that at least one thickness control device 354 is arranged along a transport path provided for the laminated material web 02 after the at least one lamination unit 310, the control area of ​​which overlaps at least partially with the transport path provided for the laminated material web 02. The at least one thickness control device 354 preferably has at least one overlap sensor 354.Preferably, the lamination machine 01 is characterized alternatively or additionally by the fact that the at least one thickness control device 354 has at least one ultrasonic sensor and / or at least one optical sensor.

[0133] The thickness control device 354 is preferably used to check the thickness of a material that is currently located within its control area. Preferably, the transport path of the material web 02, and thus the material web 02 itself, passes through this control area. Different layers of materials pass through the control area. Possible layers include: a layer of sheet 03 laminated on both sides, a layer of sheet 03 laminated on only one side, an overlap of two sheets 03 laminated on only one side, or an overlap of two sheets 03 laminated on both sides. A joint, in particular an adhesive joint, results from the connection of an unwinding web of laminating material 321; 331 and a new unwinding web of laminating material 321; 331.This joint is generally thicker than a bare layer of the laminating material 321; 331. The joint extends along the intended transport path, for example, over at least 6 mm, preferably over at least 10 mm, more preferably over at least 20 mm, and even more preferably over at least 30 mm. Regardless of the specific dimensions, the joint also extends along the intended transport path, for example, over a maximum of 300 mm, preferably over a maximum of 200 mm, more preferably over a maximum of 100 mm, and even more preferably over a maximum of 50 mm. Particularly in the case of double-sided lamination, a joint can occur on an upper layer of laminating material 321 and / or on a lower layer of laminating material 331. The aforementioned possible layering configurations can therefore each be further modified by one or two joints instead of simple layers of laminating material 321; 331.

[0134] Preferably, the lamination machine 01 is characterized alternatively or additionally by the fact that the thickness control device 354 is configured to distinguish between the expected thickness of the laminated material web 02 on the one hand and a thickness that is actually greater than expected on the other. The expected thickness is then, for example, the sum of the thickness of a sheet and the combined thickness of two webs of laminating material 321; 331. This thickness represents the desired thickness of the sections 04 and, in normal operation, corresponds to the thickness of the material web 02 over a large part of its length, for example, over at least 75% or preferably at least 90% of its length. In particular, if at least one lamination control device 348; 349 is arranged as described, those cases in which a greater than expected thickness occurs are of particular interest.These are essentially a first case in which an overlap area passes through the control area of ​​the thickness control device 354, or a second case in which at least one connection point passes through the control area of ​​the thickness control device 354, or a third case in which both an overlap area and at least one connection point simultaneously pass through the control area of ​​the thickness control device 354.

[0135] The overlap length, and in particular the overlap length of adjacent sheets 03, is the length measured along the intended transport path of the material web 02 on which adjacent sheets 03 touch within the laminated material web 02.

[0136] A thickness signal is preferably a signal that characterizes a thickness increased compared to the expected thickness of the laminated material web 02. In the first case, the area measured along the intended transport path over which at least one thickness signal is generated extends substantially over the overlap area, i.e., the overlap length. In the second case, the area measured along the intended transport path over which at least one thickness signal is generated extends substantially over the splice. In the third case, the area measured along the intended transport path over which at least one thickness signal is generated also extends substantially over the splice or is even longer, depending on the relative position of the overlap area and the splice.The length of the area measured along the intended transport path, over which at least one thickness signal is generated, is determined, for example, based on the duration of the thickness signal and the transport speed of the material web 02. Preferably, however, the length of the area measured along the intended transport path, over which at least one thickness signal is generated, is determined from the angle traveled by a transport roller 311; 312; 341; 353; 407; 408; 429 provided for transporting the laminated material web 02 and its radius.For example, such transport rollers 311; 312; 341; 353; 407; 408; 429 serve as the first lamination roller 311 and / or the second lamination roller 312 and / or the at least one cooling roller 341 and / or the at least one web deflection roller 353 and / or the at least one front pressure roller 407 or inlet pressure roller 407 and / or the at least one front traction roller 408 or inlet traction roller 408 and / or the at least one separating inlet roller 429.

[0137] Preferably, the lamination machine 01 is characterized, alternatively or additionally, by having the machine control unit and by having at least one thickness control device 354 connected to the machine control unit of the lamination machine 01 via a circuit. Further preferably, the lamination machine 01 is characterized, alternatively or additionally, by having at least one transport roller 311; 312; 341; 353; 407; 408; 429 provided for transporting the laminated material web 02, and by having at least one angular position control device arranged by means of which the angular position of the transport roller 311; 312; 341; 353; 407; 408; 429 relative to a rotational axis of the transport roller 311; 312; 341; 353; 407; 408; 429 is determined. 429 is detectable, in particular directly or indirectly detectable.Preferably, the at least one angular position control device is connected to the machine control of the lamination machine 01 via a circuit. The at least one angular position control device is, for example, designed as part of the drive of the transport roller 311; 312; 341; 353; 407; 408; 429 and / or as an additional sensor, in particular a rotary encoder.

[0138] Preferably, the lamination machine 01 is characterized alternatively or additionally by the fact that at least one drive of the at least one shingling device 200; 206; 207; 208 is connected to the machine control of the lamination machine 01 via a circuit. For example, this allows a time window and / or a location window to be determined in which an overlap area is expected at the location of the thickness control device 354, particularly when considering when and where shingling occurs or has occurred. Thus, when a thickness signal is detected, it can be determined whether an overlap area should be present at that location.

[0139] If there is no overlap area at this location, the thickness signal originates from a junction. This can be verified by the length of the area associated with the thickness signal. If there is only one junction, and thus the second case applies, the sheet associated with this junction is preferentially sorted out, for example, using the multiple-sheet display.

[0140] If an overlap area is present at this location, the thickness signal originates from the overlap area alone or from a combination of an overlap area and a splice. This can be verified by the length of the area associated with the thickness signal. If a splice is present, it is also located within the overlap area. The third case applies. At such a location or splice, separating a section 04 from the material web 02 is risky or impossible. Consequently, transport of the laminated material web 02 is preferably stopped so that this splice is located in a place accessible to operators and can be removed manually. If, however, no splice is present, the overlap length can be deduced from the length of the area associated with the thickness signal.If this deviates too much from a target value, preferential adjustment is made to the shingling device 200; 206; 207; 208 in order to better carry out subsequent overlaps.

[0141] Preferably, the lamination machine 01 is characterized alternatively or additionally by the fact that the at least one thickness control device 354 is connected to the machine control of the lamination machine 01 in such a way that the control and / or regulation of the at least one drive of the overlapping device 200; 206; 207; 208 can be influenced by means of signals originating from the thickness control device 354. In this way, the overlapping device 200; 206; 207; 208 can be controlled with respect to the overlap length.

[0142] Preferably, the lamination machine 01 is characterized alternatively or additionally by the fact that the lamination machine 01 has, along the transport path provided for the laminated material web 02, after the at least one lamination unit 310 and further preferably also after the at least one overlap sensor 354, at least one separating device 400 for separating sections 04 from the laminated material web 02.The lamination machine 01 is further preferably characterized alternatively or additionally by the fact that at least one drive of the at least one separating device 400 is connected to the machine control of the lamination machine 01 via a circuit and that the at least one thickness control device 354 is connected to the machine control of the lamination machine 01 via a circuit such that the control and / or regulation of the at least one drive of the at least one separating device 400 can be influenced by means of signals originating from the thickness control device 354.

[0143] Alternatively or additionally, the lamination machine 01 is preferably characterized by the fact that at least one drive provided for transporting the laminated material web 02 is connected to the machine control of the lamination machine 01 via a circuit and that the at least one thickness control device 354 is connected to the machine control of the lamination machine 01 via a circuit such that the control and / or regulation of the at least one drive provided for transporting the laminated material web 02 can be influenced by means of signals originating from the thickness control device 354.

[0144] Then, if only an overlap area occurs (i.e., in the first case), it can be checked whether the position of the overlap area and the timing of the separating device 400 are coordinated in such a way that a separation can be successfully carried out. Otherwise, corrective action can be taken by accelerating and / or decelerating the material web 02 and / or by changing the control of the stretching elements 403; 412; 413.

[0145] Preferably, the method for laminating sheets 03 of a material 02 using a laminating machine 01 is characterized, alternatively or additionally to the processes already described, by the fact that the sheets 03 are first spatially separated from one another by means of a singulation device 200; 202 and / or that the sheets 03 are aligned and / or that, particularly after their spatial separation, the sheets 03 are brought into a partially overlapping position relative to one another by means of a shingling device 200; 206; 207; 208. Preferably, the method is further characterized, alternatively or additionally, by the fact that the sheets 03 are fed to the laminating unit 310 of the laminating machine 01 and there, in the overlapping position, are laminated by bonding them with at least one, in particular web-shaped, laminating material 321; 331 and joined to form a laminated material web 02.

[0146] Preferably, the method is alternatively or additionally characterized in that the thickness of the laminated material web 02 is controlled by means of at least one thickness control device 354 and that the thickness control device 354 sends at least one thickness signal or several thickness signals to a machine control of the lamination machine 01 when the thickness of the laminated material web 02 is increased compared to an expected thickness, which characterizes or characterizes this increased thickness compared to the expected thickness of the laminated material web 02.

[0147] Preferably, the method is characterized alternatively or additionally by the fact that the laminated material web 02 is divided into sections 04 by means of the separating device 400 of the lamination machine 01, and that the separating signals are signals that characterize the movement of at least one drive of the separating device 400. The separating signals are preferably transmitted at least to the machine control of the lamination machine 01. Furthermore, and especially preferably, a joint evaluation of the separating signals on the one hand and the thickness signals on the other is carried out by means of the machine control of the lamination machine 01. The respective separating signal characterizes, for example, the position of a stretching element 403; 412; 413, particularly independently of any actual separations taking place.

[0148] Preferably, the method is characterized alternatively or additionally by the fact that, in the event of a relative sequence of separation signals on the one hand and thickness signals on the other deviating from an expected target sequence, the transport speed of the laminated material web 02 is at least temporarily changed, in particular due to the relative sequence of separation signals on the one hand and thickness signals on the other, which deviates from the expected target sequence. If necessary, further adjustments are then made, for example with regard to the drives of the sheet feeder 100 and / or the shingling device 200; 206; 207; 208.

[0149] Alternatively or additionally, the method is preferably characterized by the fact that, in the event of a relative sequence of separation signals on the one hand and thickness signals on the other deviating from an expected target sequence, the control of at least one drive of the separation device 400 is influenced, taking this deviation into account. Then the transport of the material web 02 can be influenced less or not at all, and instead the movement of the stretching elements 403; 412; 413 can be adapted accordingly.

[0150] Preferably, the method is characterized alternatively or additionally by the fact that a respective overlap length is determined based on at least one thickness signal, or more preferably, on each thickness signal. Further preferably, the method is characterized alternatively or additionally by the fact that the respective overlap length is compared with at least one shingle reference value, and, taking this comparison into account, a control of at least one drive of the shingle device 200; 206; 207; 208 is influenced, and / or that the respective overlap length is compared with at least one connection reference value, and, taking this comparison into account, a section 03 subsequently separated from the material web 02 is ejected, and / or the transport speed of the laminated material web 02 is reduced, in particular until the material web 02 comes to a standstill, preferably in a preselected position range.

[0151] As described, the method is alternatively or additionally preferably characterized by the fact that the at least one lamination material 321; 331 is unwound from at least one roll in a lamination source 320; 330 designed as a roll unwinding device 320; 330 and / or as a roll changer 320; 330.

[0152] The machine control system preferably has an electronic guide axis and, in particular, information at any given time regarding the current position of sheet 03 and / or sections 04 and / or the time at which sheet 03 and / or sections 04 are expected to arrive at a specific location. The at least one overlap control device can then detect the arrival of a sheet 03 and / or section 04 within its control area. In the event of deviations from the scenarios calculated by the machine control system, a corresponding action is preferably taken, for example, at least one drive is influenced and / or at least an error message is generated and / or the processing machine 01 is at least partially, and preferably completely, stopped.

[0153] For example, at least one inspection system is arranged that checks incoming sheets 03 for their prior processing and / or checks outgoing sections 04 for their processing.

[0154] Sheets 03 are preferably securities sheets 03 and / or banknote sheets 03. Sections 04 are preferably securities sections 04 and / or banknote sections 04. Preferably, sheets 03 each carry multiple units of printed materials, in particular multiple units of securities and / or multiple units of banknotes. Preferably, sections 04 each carry multiple units of printed materials, in particular multiple units of securities and / or multiple units of banknotes. Preferably, the material web 02 carries multiple units of printed materials, in particular multiple units of securities and / or multiple units of banknotes.

[0155] For example, if the sheets 03 are of different lengths, the movement sequences of the components involved in transporting the sheets 03, the material web 02, and the sections 04 are adjusted. Examples of such components are the preparation device 200 and / or the singulation device 200 and / or the alignment device 200 and / or the shingling device 200 and / or the under-shingling device 200 and / or the sheet feeder 200 and / or the stop drum 201 or suction drum 201 and / or the suction drum 202 or acceleration drum 202 and / or the suction belt 204 and / or the under-feed drum 206 and / or the lifting device 207; 208 or blow nozzle 207 or bobbin roller 207 or suction device 208 or suction nozzle 208 and / or the first expansion element 403 and / or the second expansion element 412 and / or the third expansion element 413. The length of the arc 03 can be entered manually, measured using a sensor, or retrieved from order data.Subsequently, suitable movement sequences are selected from a predefined range and / or recalculated. For example, zones of suction or blowing devices can be deactivated for different widths of arc 03. Reference symbol list

[0156] 01 Processing machine, laminating machine 02 Material, flat material, material web 03 Material, sheet, security sheet, banknote sheet 04 Section 05- 06 Overlap area 100 Sheet feeder 101 Conveyor track, belt table 102 Printing material container, sheet stack 200 Preparation device, singulation device, alignment device, shingling device, undershing device, arcing device 201 Stop drum, suction drum 202 Suction drum, acceleration drum 203-204 Suction belt 205-206 Underfeed drum 207 Lifting device, blow nozzle, bobbin roller 208 Lifting device, suction device, suction nozzle 209 Preheating device 300 Laminating device 310 Joining device, lamination unit, 311 Laminating roller, first, transport roller 312 Laminating roller, second, transport roller 313 Laminating area, first 314 Laminating area, second 315- 316 Heating roller 317 Press roller 318- 319- 320 Laminating source, roll unwinding device, roll changer, first, upper 321 Laminating material, first 322 Roll holding position, first 323 Swivel axis, first 324 Web tension control, first 325- 326 Dancer roller, first 327 Web edge aligner, first 328 Dancer lever, first 329- 330 Laminating source, roll unwinding device, roll changer, second, lower 331 Laminating material, second 332 Roll holding position, second 333 Swivel axis, second 334 web tension control, second 335-336 dancer roller, second 337 web edge aligner, second 338 dancer lever, second 339-340 cooling device, 341 cooling roller, transport roller, 342 feed-in device, feed chain, feed belt, first 343 feed-in device, feed chain, feed belt, second 344 feed path, first 345-346 feed pathsecond 347 connecting element, feed tip 348 lamination control device, lamination defect detection device, first 349 lamination control device, lamination defect detection device, second 350- 351 control element, detector, light reflex sensor 352 control element, transmitter 353 web deflection roller, transport roller 354 thickness control device, overlap sensor , 400 Separating device 401 Clamping point, front 402 Clamping point, rear 403 Stretching element, first 404 Clamping device, rear 405- 406 Clamping device, front 407 Infeed pressure roller, front, transport roller 408 Infeed pull roller, front, transport roller 409 Infeed pressure roller, rear 410- 411 Pull roller, rear, discharge pull roller 412 Stretching element, second 413 Stretching element, third 414 Stretching axis, first 415- 416 Stretching axis, second 417 Stretching axis, third 418 Guide device, belt guide system 419 Guide device, guide plate, flat 420- 421 Rotation axis (407) 422 Rotation axis (408) 423 Rotation axis (409) 424 Rotation axis (411) 425- 426 Deflection roller 427 Deflection roller 428 Tension roller 429 Separation inlet roller, transport roller 430- 431 Conveyor belt (418) 432 Recess (408) 433 Recess (407) 451 Support cylinder 452 Cylinder channel, first (451) 453 Expansion cylinder 454 Cylinder channel, second (453) 455- 456 Clamping cylinder, first 457 Clamping lift, first 458 Clamping cylinder, second 459 Clamping lift, second 460- 461 Application device 462 Contact surface (403) 463 Separation sensor device 464 Sensor element, detector 465- 466 Sensor element, transmitter device 467 Sensor element, reflector 500 Sheet delivery, multi-sheet delivery 501 Disposal device, extraction device, shredding device 502 Device, conveyor belt, suction belt 503 Device, clamping point 504 Disposal device, cutting device, laser cutting device, hot cutting device Direction, axial

Claims

1. Method for laminating sheets (03) of a material (02) by means of a laminating machine (01), wherein the sheets (03) are moved by means of a shingling unit (200; 206; 207; 208) into a position in which they overlap one another only partially, and wherein the sheets (03) are fed to a laminating unit (310) of the laminating machine (01), where they are laminated in the mutually overlapping position by bonding to at least one laminating material (321; 331), and are joined to form a laminated material web (02), and wherein the at least one laminating material (321; 331) is unwound from at least one roll in a lamination source (320; 330) embodied as a roll changer (320; 330), and wherein the joining of a web of laminating material (321; 331) that is running out to a new web of laminating material (321; 331) to be unwound results in a connecting point, and wherein a thickness of the laminated material web (02) is monitored by means of a thickness monitoring device (354), and wherein, if a thickness of the laminated material web (02) is greater than an anticipated thickness, the thickness monitoring device (354) sends at least one thickness signal, characterizing said thickness that is greater than the anticipated thickness of the laminated material web (02), to a machine controller of the laminating machine (01), and wherein a length of a region, measured along a transport path provided for the laminated material web (02), over which the at least one thickness signal is generated is determined on the basis of the time length of the thickness signal and the transport speed of the material web (02) or is determined from an angle traversed by a transport roller (311; 312; 341; 353; 407; 408; 429) provided for transporting the laminated material web (02) and the radius thereof.

2. Method according to claim 1, characterized in that the laminated material web (02) is divided into sections (04) by means of a separating device (400) of the laminating machine (01), and in that separation signals are signals that characterize a movement of at least one drive of the separating device (400), and in that a joint evaluation of separation signals and thickness signals is performed.

3. Method according to claim 2, characterized in that, if a relative sequence of separation signals and thickness signals deviates from an anticipated target sequence, a transport speed of the laminated material web (02) will be adjusted at least temporarily, and / or the regulation of at least one drive of the separating device (400) will be influenced, taking this deviation into account.

4. Method according to claim 1 or 2 or 3, characterized in that a respective overlap length is determined on the basis of at least one thickness signal, and / or in that a respective overlap length is determined on the basis of at least one thickness signal and the respective overlap length is compared with at least one shingling reference value, and on the basis of this comparison the regulation of at least one drive of the shingling unit (200; 206; 207; 208) is influenced, and / or the respective overlap length is compared with at least one connection reference value, and on the basis of this comparison a section (03) that is later separated from the material web (02) is ejected and / or a transport speed of the laminated material web (02) is reduced.