EP4321347A1 - Dispositif pour la production de produits imprimés dans des supports inférieurs - Google Patents
Dispositif pour la production de produits imprimés dans des supports inférieurs Download PDFInfo
- Publication number
- EP4321347A1 EP4321347A1 EP23189536.8A EP23189536A EP4321347A1 EP 4321347 A1 EP4321347 A1 EP 4321347A1 EP 23189536 A EP23189536 A EP 23189536A EP 4321347 A1 EP4321347 A1 EP 4321347A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- transport
- digital printing
- book
- book blocks
- envelopes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42C—BOOKBINDING
- B42C19/00—Multi-step processes for making books
- B42C19/08—Conveying between operating stations in machines
Definitions
- the present invention relates to a device for producing printed products according to the preamble of claim 1 and a method for producing printed products according to the features of claim.
- EP 1 816 007 A1 It is known to produce different printed products one after the other in small runs using a digital printing machine. All pages of a book block are printed in a digital printing machine, the printed pages are then stacked to form a loose book block and then bound with a binding device connected downstream. Individual sheets can be printed that have previously been pulled off a roll and already cut to size, or the printed paper is cut into individual pages after printing, or the pages are printed in printed sheets and the folded printed sheets are stacked to form loose book blocks, depending on how folded or cut is done.
- the loose book blocks are further processed in a further processing device in the form of a binding device. For this purpose, two or more envelopes are provided so that production can be carried out without interruption.
- the printed products and the envelopes are each brought together in separate ways to connect them in the back area in the further processing device.
- a method for producing printed products by means of a system which has a control device, at least one printing machine for producing book blocks, at least one transport device for transporting the book blocks and at least one further processing device, in which each book block is provided with a cover.
- a digital printing machine is used as the printing machine, as this technology can be used to print a single printed product completely in one sequence.
- the individual production steps of book production are carried out immediately one after the other in an inline process in which the individual machines the control device are networked with each other. It is assumed that, in particular, softcover covers or hardcovers for the printed products generally have to be pre-produced and stored in a storage facility.
- the order to a printing press to produce a book block is only triggered by the control device when an envelope is fed into the memory.
- the individual machines for printing and further processing are networked via the control device in order to be able to produce, if possible, quickly and efficiently at high cycle rates in an edition size of 1, without having to accept inferior quality .
- This requires a consistent production workflow with coordinated interfaces through real-time status information.
- the books to be produced can vary from book to book in terms of their content, cover, format and thickness.
- the output of book blocks depends on the format and thickness. The larger the format and/or the thickness of a book, the lower the output.
- the book covers are usually printed as sheets.
- the invention is based on the object of creating a device and a method of the types mentioned, which make it possible to produce printed products in very small runs down to a single printed product more economically. It should be possible to produce the covers efficiently, if possible automatically and without manual intervention, and to connect them to a book block.
- the task is solved for a generic device with the characterizing features of claim 1.
- the task is solved for a method with the features of the claim.
- the temporary connection is usually removed again in one of the subsequent processing machines as soon as the book blocks have been held by a clamping or gripping device or have been permanently connected to one another.
- the digital printing machine with its associated peripherals for printing on an envelope can be provided with appropriate feeding and connecting technology for the laminate material and/or a powerful varnishing technology for applying a layer of varnish to the respective envelopes.
- the book blocks in an adhesive binder are not provided with a cover, but with a folding strip that covers the spine glue.
- the book blocks for hardcover books can be fed automatically or manually to a hanging machine after a cutting machine in which the book blocks are cut to the desired format on up to three edges.
- the corresponding book blocks are provided with a preferably digitally printed hardcover cover. Both the hanging machine and a machine for producing hardcover envelopes can be part of the generic device or connected to it.
- the book blocks can be transported in a suitable manner in a first transport device.
- they can be transported lying down, for example on conveyor belts or tables, on trays - a shell-shaped transport element for one book block each - or in a conveyor channel, or hanging, for example in a gripper or in a bag.
- Cutting devices, folding devices or collecting devices can be integrated into the first transport device and form part of the first transport device.
- the digitally printed and optionally laminated and/or varnished envelopes are transported further to the digital printing machine and fed to an adhesive binder.
- the book blocks and envelopes produced by the digital printing machines can each be fed to a specific perfect binder.
- the two material streams with the book blocks and the covers can therefore be directed via the switches to one of several perfect binders. This can be the perfect binder that appears to be most suitable for connecting these components into a book at the time of production.
- the switches make it possible to control the flow of the book blocks and envelopes through the device in such a way that each book block and each envelope is fed exactly to the perfect binder in which these components are to be assembled.
- the switches make it possible to implement optimization criteria according to which the allocation of the perfect binders with further processing jobs is planned, through an appropriate material flow.
- the special digital printing machines with their associated process-optimized machine peripherals for the production of book blocks and covers with the optimized feed of these components via the switches to the perfect binder, which is rated as particularly suitable for the production of the respective printed product, it is possible to exploit the optimization potential from both to combine specialized printing as well as the allocation of the perfect binders with further processing jobs according to optimization criteria.
- the feed times of book blocks and envelopes to the perfect binders can be varied to a greater extent than by simply changing the conveying speeds of the conveyor systems used on the conveyor routes.
- the product storage in the transport routes for both the book blocks and the covers creates the possibility of selecting the right book block from the book to eject the corresponding transport route if the production of the associated cover is delayed due to a malfunction or error, or to eject the appropriate envelope from the corresponding transport route if an error occurs in the production of the associated book block. It is also possible to set the clock rate of the digital printing machine used to produce the book blocks higher than the processing capacity of the adhesive binder used in order to build up a material buffer that can be processed again later in the event of malfunctions or maintenance work on the digital printing machine.
- the book blocks and envelopes introduced into the respective product storage can be reintroduced from the product storage into the material flow of the transport device as soon as the pairing of a book block with the associated cover is available and a free work cycle is available in the perfect binder in which the corresponding book block with the corresponding envelope should be further processed.
- a storage wheel for example, can be used to store the envelopes.
- the storage capacity of the product storage should be sensibly chosen so that: Storage volume covers the usual operating requirements.
- the product stores can be designed in such a way that they make it possible to eject stored products only in the order in which they are ejected, in the opposite order in which they are ejected, or in an individual order determined by the control device.
- control device By integrating the control of the function of the switches and the product storage into a control device, it is possible to include the operation of these components in the control of the digital printing machines, the transport devices and the perfect binders.
- the function of the individual machines is networked with one another via the control device and corresponding interfaces in the control device and the machines controlled with it, which allows optimized operation of the entire system.
- the control device can be used to plan and dynamically execute the workflow for each individual print product.
- the production workflow for the book blocks and covers can be controlled so that it can be dynamically adjusted and changed during production, eliminating manual Interventions are minimized and there is an improved utilization of the adhesive binders with a high product quality of all printed products produced with the device.
- the control device In order to be able to control the device with the control device, it is necessary that the control device continuously receives status information about the status of the individual machines and the products passing through the device.
- the control device therefore knows at all times where every book block, every cover, every glued or cut book is located.
- the status information about the machines controlled by the control device can be exchanged via the interfaces in the control device and the machines.
- the machines are equipped with sensors that collect and provide the data required for status information.
- the status information required by the control device for planning and production control of the book blocks and covers can be provided via additional sensors such as barcode or QR code readers, cameras, light barriers and the like, which transmit their sensor data directly or indirectly to the control device.
- the respective status information can be transmitted to the control device in real time.
- the covers can be used to produce a softcover book.
- the device and the method can also be used to provide book blocks for hardcover books in an adhesive binder with a fold instead of with an envelope. It is then not necessary to print a separate cover for further processing of book blocks for hardcover books.
- the machines of the device can then be controlled accordingly by the control device.
- the control device has a computer program which, for each order for the production of a printed product, creates an evaluation in a program routine as to which of the adhesive binders present in the device is most suitable for the book block to be produced for this printed product and for this printed product Envelope to be made together connect.
- the control device is connected to the first and second transport devices, the switches present in the transport devices and the product stores via interfaces via which their operation can be controlled.
- the computer program has a program routine in which control signals are generated based on the determined evaluation result. The control signals are transmitted to the first and second transport devices, to the switches present in the transport devices and to the product stores.
- the first and second transport devices, the switches present in the transport devices and the product storage are controlled in such a way that the book block and cover to be created by the digital printing machines for the evaluated order are simultaneously fed to the perfect binder that has been evaluated as the most suitable.
- the computer program transmits the control signals it generates via the interfaces to the first and second transport devices as well as to the switches and the product memories present in the transport devices.
- All or at least some of the above aspects can be taken into account in the computer program by appropriate programming when deciding which printed product is further processed on which adhesive binder.
- the computer program in the control device can therefore be used to determine which of the adhesive binders present in the device appears most suitable for joining the book block and the cover of a printed product.
- the computer program After the program-supported evaluation, the computer program also generates the control signals with which the first and second transport devices, the switches present in the transport devices and the product storage are controlled so that the corresponding book blocks and envelopes are also fed to the selected perfect binder at the same time.
- book blocks and covers are buffered according to defined group criteria.
- the removal of book blocks and envelopes is not limited to a single printed product; it is also possible to form groups of products in the product memory.
- the products removed in groups can later be further processed individually or as a group of products.
- thinner book blocks can be temporarily stored in the product storage in order to then feed them to the respective perfect binders when the digital printing machine for printing the book blocks is busy printing one or more thicker book blocks, the production of which naturally takes a little longer than an average thick book block.
- An empty work cycle in the perfect binder which is caused by the printing of a thicker book block and the resulting longer conveying interval until the thicker book block is fed into the perfect binder, can then occur with the feeding and adhesive binding of a thinner book block from the product storage.
- the group formation in the product stores can also be logistically driven, in that the components for those printed products that are to be sent later or in a different shipping package are first introduced into the product store in order to process them later.
- At least one cutting machine is arranged downstream of the perfect binders in the material flow, with the device for transporting the book blocks further processed in the perfect binders or the printed products to the at least one cutting machine being designed as a third transport device serving as a cooling section.
- the cutting machine can be used to cut the book blocks or printed products that are perfect bound in the perfect binders and have covers or folds to the desired size.
- the third transport route is used to allow the glue applied to a book block in the perfect binder to cool and dry.
- the perfect binders can also be followed by several cutting machines on which the glued book blocks or printed products are trimmed. The throughput of the cutting machines should match the throughput of the existing perfect binders.
- the first transport device between the digital printing machine and the perfect binders has a first ejection switch for ejecting faulty book blocks.
- Book blocks identified as faulty can be removed from the material flow in the first transport device via the reject switch before they reach one of the perfect binders.
- the book block to be ejected can itself be faulty, or the book block is ejected because the associated cover has been recognized as faulty.
- corresponding sensors for error detection can be present in the first transport device, such as devices for measuring the thickness of book blocks, barcode or QR code scanners, digital cameras, scales and the like, which continuously transmit their sensor data to the control device.
- the second transport device between the digital printing machine and the perfect binders has a second rejection switch for rejecting defective envelopes.
- Envelopes that are identified as defective can be removed from the material flow in the second transport device via the rejection switch before they reach one of the perfect binders.
- the envelope to be ejected can itself be faulty, or the envelope is ejected because the associated book block has been recognized as faulty.
- corresponding sensors for error detection can be present in the second transport device, such as devices for measuring the thickness of envelopes, barcode or QR code scanners, digital cameras, scales and the like, which continuously transmit their sensor data to the control device.
- the at least one cutting machine, the fourth transport device, the first discharge switch and/or the second discharge switch are controlled by the control device.
- the material flow in the device can be further optimized beyond controlling the material flow for merging the book blocks with the covers.
- the control device can feed the at least one cutting machine, control the sorting and distribution of the glued book blocks and/or remove faulty components. The functions of these machines can be integrated into the overall optimization of the operation of the device.
- the control device uses the programming of the computer software to assign print jobs to the digital printing machine for printing the book blocks as a master production line, and the assignment of print jobs to the digital printing machine for printing the envelopes is subordinate to the print jobs for the master production line.
- the digital printing machines for envelopes are often sheet-fed printing machines, which are often only operated in stop-and-go mode due to the lower resource requirements for envelope printing.
- the prioritized assignment of the digital printing machine for printing the book blocks enables the operation of this printing machine to be optimized and thus an increase in the performance of the device as a whole, in that the sequence of these print jobs can be sorted taking into account optimization criteria without taking the print jobs for the digital printing machine for the envelopes into account .
- the computer software of the control device is designed to control the sequence of print jobs for the digital printing machines, the supply of book blocks and envelopes to perfect binders, the insertion and removal of book blocks and envelopes into and out of the product stores, the supply of perfect-bound or with a book block provided with a fold to a cutting machine, to change the material flow in the fourth transport device and / or the discharge of products in the discharge switches, taking into account current operating parameters of the device.
- the operation of the device can be adapted to changing operating conditions. For example, if a perfect binder fails due to a malfunction or change in equipment, the transport of the book blocks and covers planned for further processing on this perfect binder can be redirected to another perfect binder that is still producing or to the product storage.
- the computer software of the control device is designed to move book blocks and envelopes in the associated pair of a printed product into or out of the product memory present in the first and second transport devices and/or into those present in the first and second transport devices to control exit routes.
- the advantage of the paired control of the material flow of the book block belonging to a printed product and the cover is that it prevents a perfect binder from being fed only a book block without the associated cover or an envelope without the associated book block.
- a product storage in the second transport device such as a storage wheel, can also be used to adapt the order in which already printed envelopes are transported in the second transport device to the order of book blocks that are transported in the first transport device.
- the first transport device is set up to transport at least two book blocks in a stack, at least in sections.
- the conveying capacity of the first transport device is increased or the speed at which the book blocks are transported is reduced.
- the book blocks contained in a stack can be separated again for further processing in front of a perfect binder or a switch.
- the print job for printing an envelope is triggered programmatically by the computer software of the control device and/or as a function of a sensor signal from a sensor unit.
- the computer software of the control device can be designed so that it triggers the print job for printing an envelope in its program flow without waiting for a separate sensor signal.
- the pressure can then be triggered by the software program, for example in a purely time-controlled manner.
- a barcode or a QR code can be printed on one side of the book block, which is read by a corresponding scanner as a sensor unit.
- the signal read by the scanner can be transmitted as a sensor signal to the control device and/or the digital printing machine for printing the envelope, thereby triggering the printing of the envelope.
- the device has at least two digital printing machines for printing envelopes.
- the multiple digital printing machines for printing envelopes make it possible to specialize the digital printing machines and their associated peripherals. For example, a first digital printing machine can only be intended to print envelopes that are then matt laminated or matt varnished and conveyed away by the second transport device, while a second digital printing machine is intended to only print envelopes that are then glossy laminated or glossy varnished and then transported away using the second transport device.
- the plurality of digital printing machines for printing envelopes may be connected to and controlled by the control device.
- At least one digital printing machine for printing an envelope has a sensor unit connected to the control device for checking at least one quality feature of a printed envelope downstream in the conveying direction of the envelopes.
- the control device generates at least one control signal to a transport device, at least one switch, a product storage or a rejection switch when an error in an envelope is detected by the sensor unit. Errors that can be detected by a sensor unit include, for example, skewed printing, faulty lamination or uneven painting.
- the faulty envelope can be removed from the second transport device by the control device using appropriate control commands via an ejection switch.
- the printing of a new envelope can be triggered.
- control device can use appropriate control commands to remove the book block belonging to the envelope recognized as defective from the first transport device, transfer it to a product storage or park the book block in front of the perfect binder or lead it into a loop until a new and error-free envelope is available.
- a sensor unit can be arranged downstream of the digital printing machine for printing a book block, which checks the quality characteristics of the compiled book block and transmits errors to the control device. The control device then generates corresponding control commands and transmits them to a transport device, at least one switch, a product storage or a discharge switch.
- control commands do not have to be limited to machines that are on the planned conveying path of the defective product, but can in particular also be transmitted to machines that are on the conveying path of the associated book block or envelope in order to avoid that a perfect binder only has one Book block or just an envelope is conveyed and the complementary product for binding the printed product is missing.
- the device has at least three adhesive binders to which the book blocks are distributed via the first transport device.
- a single first transport device can be sufficient to distribute them to at least three perfect binders to distribute.
- the first transport device can then have the components described above in order to optimize the material flow over it and the control device.
- one or more perfect binders are assigned a digital printing machine for printing envelopes, which are only fed to this perfect binder via a second transport device.
- a first perfect binder can, for example, only assemble printed products in which an envelope printed by the assigned digital printing machine has a matt lamination or matt varnish, because the digital printing machine assigned to this perfect binder with its associated peripherals is specialized in the production of matt envelopes, while a second perfect binder only produces printed products with a glossy cover.
- the higher-level control device distributes the print jobs to the corresponding perfect binding line depending on the type of envelope.
- the device 1 has three digital printing machines 4.
- the paper to be printed is fed to the digital printing machines 4 via an unwinding device 3, by means of which a paper roll 2 is unwound.
- a digital printing machine 4 (not shown) that uses pre-cut individual sheets can also be connected.
- the printed paper webs are fed to a folding machine 5 and a cutting and folding device 6 in a known manner.
- the printed sheets created in this way are collected in a collecting device 7, so that a book block 8 is ultimately present. If printing is done with a single-sheet machine, it can have a stacking device, so that no collecting device 7 is required.
- the devices mentioned and also the digital printing machine 4 are known to those skilled in the art therefore do not need to be explained in more detail.
- the number of digital printing machines 4 is arbitrary.
- the device 1 also has three envelope production devices 12, each of which has a digital printing machine 4 for printing the envelopes 13 as a component.
- envelopes 13 are produced in a manner known per se.
- the envelopes 13 can, for example, be digitally printed sheets and designed as so-called “softcover” or “hardcover”.
- the envelope production devices 12 may further comprise a laminating device.
- a hard ceiling also consists of various components known to those skilled in the art.
- a corresponding hard cover process can also be part of such an envelope production device 12, but does not have to be directly connected to it.
- the device 1 also has three perfect binders 19 as further processing devices, each of which has at least one memory 16 for storing envelopes 13.
- the memories 16 are, for example, drum memories with a storage wheel 17 which has several compartments 18.
- the envelopes 13 produced in the envelope production devices 12 are fed to these stores 16. This can be done via an investor 27.
- the envelopes 13 are transported from the envelope production devices 12 to the feeders 27 by hand or by means of a second transport device 14, indicated here by dashed lines.
- the memories 16 and the feeders 27 preferably each form a module and are arranged on or immediately in front of the respective further processing device 19.
- the feeders 27 have sensor units 28 for identifying the envelopes 13, which are assigned to the respective memory 16.
- These sensor units 28 can, for example, include a reading device with which a barcode or QR code printed on the corresponding envelope 13 is read.
- a reading device with which a barcode or QR code printed on the corresponding envelope 13 is read.
- other identification elements are also conceivable, such as transponders, magnetic strips or other elements that can store information. Plain text with characters or numbers can also be recognized. If instead of feeders 27 there are other means of feeding the envelopes 13 If used, the sensor units 28 for identifying the envelopes 13 are arranged on these other feed means.
- the perfect binders 19 each have a binding device 20, a cooling section 21 designed, for example, as a cooling tower, a cutting machine 22 such as a three-knife cutter and a delivery 23 from which the finished printed product can be removed.
- the respective book blocks 8 are bound in the binding devices 20 and provided with an envelope 13.
- Book blocks 8, which are intended for the production of a hardcover book, are provided in the adhesive binder 19 with a folding strip (not shown) instead of an envelope 13 on the spine of the book.
- the binding process can be arbitrary.
- the book blocks 8 are fed to the binding device 20 via a first transport device 9.
- the feed can take place in the direction of arrows 11, ie via a side arm of the transport device 9 or in the direction of arrows 10, ie in the main conveying flow.
- the transport device 9 has several acceptance points 25, at each of which a book block 8 is taken over by the collecting device 7 and transported in the direction of the arrows 10, 11. It also has several delivery points 26, at each of which a book block 8 is fed to an adhesive binder 19.
- the transport device 9 can be implemented, for example, as a belt conveyor. In principle, transport would also be possible using gripping and the like.
- the ones in the Fig. 1 The controlled transport device 9 shown in a horizontal plane can also be designed in all other dimensions and can convey the book blocks 8, for example, up or down.
- a sensor unit 28 can use a sensor unit 28 to identify a book block 8 and feed it to a predetermined adhesive binder 19.
- the information regarding the destination can be given to the book block 8, for example in a barcode or a data matrix code, or transmitted by a control device 15.
- An adhesive binder 19 differs from the other adhesive binders 19 in that it has a downstream hanging device 24, which is intended for printed products with a hard cover. The adhesive binders 19 can therefore be designed the same or different.
- the device 1 also has a control device 15 designed as a control center in the exemplary embodiment.
- a control device 15 can also contain a workflow system and thus receive the book data, production information or process information from a higher-level system.
- a higher-level system is also known to those skilled in the art as a management information system, or MIS for short.
- MIS management information system
- the data for an order can also be entered by an operator at the control center.
- an order is created. This can, for example, contain 1000 printed products with 975 different titles.
- This order is assigned to a production unit or a new production unit is created.
- a production unit can be, for example, an order, a collection of orders or a work shift and is planned with the management information system or entered accordingly on the workflow system or on the control device 15.
- the production unit is preferably pre-sorted by the MIS according to certain criteria or sorted by the workflow system or another suitable system.
- a workflow system located on the control center is responsible for sorting. Such sorting is useful in order to be able to group the printed products to be produced according to certain criteria, such as the type of paper, the folding scheme, etc. With the sorting, the production unit is defined and is saved in this form for later processing of the order.
- the workflow system triggers the production of the corresponding book blocks 8 and the covers 13, with the production sequence being fixed in the production unit.
- the envelopes 13 can be fed to the perfect binders 19 manually or automatically via a transport device 14 arranged between the envelope production device 12 and the storage 16.
- the feeder 27 is provided with a magazine, not shown. In the feeder 27, the envelopes 13 are separated, identified with the reading device and fed to the compartments 18 of the storage wheel 17.
- Each envelope 13 is thus identified and assigned to a storage location.
- the envelopes 13 are managed by a control (not shown) of the memory 16 or the binding device 20, which are each connected to the control device 15.
- the workflow system is continually informed as to which compartment 18 of the memory 16 which envelopes 13 are being fed to.
- the book block 8 is produced in the corresponding digital printing machine 4 and handed over to the transport device 9 at a receiving point 25.
- the transport device 9 feeds the book block 8 to the corresponding perfect binder 19.
- the associated envelope 13 can also be removed from the memory 16.
- the envelopes 13 stored in the stores 16 are available for retrieval at any time, so that an envelope 13 from the corresponding store 16 can be fed to the perfect binder 19 in each processing cycle, regardless of where the respective compartment 18 is currently located. Accordingly, the capacity of the memory 16 is designed to be comparatively high. Because the storage 16 is arranged on or immediately in front of the respective perfect binder 19, there is a relatively short conveying path for the envelopes 13 from the storage 16 to the binding device 20. This eliminates the risk of a malfunction occurring on the conveying path of the envelopes 13, i.e. after Triggering the print job for the associated book block 8 is significantly reduced.
- the control device 15 or the workflow system is informed that the printed product has been successfully produced. Subsequent processes, such as transporting the printed product to a logistics system and shipping, can also be controlled by the workflow system.
- Fig. 2 an embodiment of a device 1 according to the invention for producing printed products is shown.
- the paper web held in the digital printing machine 4 for printing the book blocks 8 to produce a book block 8 is printed and fed to the cutting and folding device 6.
- the printed sheets are separated from the end of the paper web transversely to the direction of travel.
- the paper web can be cut lengthwise and/or folded lengthwise.
- the sheets are folded one or more times transversely to the direction of travel and then brought into the collecting device 7.
- the printed sheets are assembled into book blocks 8.
- the loose stack of printed sheets forming the book block 8 can be glued during or after stacking.
- the individual pages of a book block are connected to one another either by applying a trace of glue to one of the four end faces of the finished stack or by applying glue between the individual printed sheets when stacking.
- This temporary connection of the printed sheets ensures that the book blocks 8 can be transported safely and without great effort from the collecting device 7 to the subsequent processing machines. Without the temporary connection using adhesive, there is a risk that the stacked printed sheets of a book block 8 will shift against each other during transport, for example by accelerating, decelerating, changing direction or shaking, slipping onto another stack or the stack falling apart completely.
- the temporary connection with adhesive is usually removed again in one of the subsequent processing machines as soon as the book blocks are held by a clamping or gripping device or are permanently connected to one another.
- the book blocks 8 are picked up by the first transport device 9, which is in Fig. 2 is only indicated by a schematic line, conveyed in the direction of the two adhesive binders 19 shown in the exemplary embodiment.
- the book blocks 8 pass through a discharge switch 29, at which a respective book block can be discharged from the conveying path of the first transport device 9.
- a book block 8 transported with the first transport device 9 then reaches a switch 30, at which it is decided to which perfect binder 19 the respective book block 8 is transported. Depending on the position of the switch 30, the book block 8 is transported into the right or left perfect binder 19.
- a second digital printing machine 4 for printing the envelopes 13 is shown.
- the envelopes 13 printed by the second digital printing machine 4 are transported by the second transport device 14, which is in Fig. 2 is also only indicated by a schematic line, conveyed to the adhesive binders 19.
- Also in the second Transport device 14 has a switch 30, on which, depending on the switch position, it is decided to which adhesive binder 19 the respective envelope 13 is transported.
- the transport devices 9, 14 shown are designed so that they not only transport book blocks or envelopes to the desired location, but can also buffer the intermediate products as a product storage 16.
- a product storage 16 for buffering products transported by the respective transport device 9, 14 can also be connected to a respective discharge switch 29. Products can be temporarily parked there and/or the order of the book blocks 8 can be changed and/or a book block 8 can overtake one or more book blocks 8 transported in front of it.
- Each of these options can be realized by a corresponding machine connected there.
- the discharge switches 29 can of course also be arranged at another location on the transport devices 9, 14. Or several discharge switches 29 can be provided on one or both transport devices 29 with additional machines attached to them.
- the book blocks 8 with the associated envelopes 13 are connected to one another to form a printed product.
- Book blocks 8, which are intended for the production of a hardcover book, are provided with a folding strip (not shown) in the adhesive binder 19 instead of an envelope 13.
- the printed products produced or the book blocks for hardcover books are transported by the third transport device 31 from the perfect binders 19 via a cooling section 21 as part of the third transport device 31 to the cutting machine 22. Downstream of the cutting machine 22 is the fourth transport device 32, with which the trimmed printed products can be distributed and/or sorted.
- FIG. 2 The arrangement of the machines of the device 1 shown differs from that in Fig. 1 Arrangement shown by the discharge switches 29, the switches 30 and the property of the first and second transport devices 9, 31 to buffer book blocks or envelopes before handing them over to a perfect binder 19.
- the distance from book block to book block on the first transport route 9 can vary by reducing the distance for buffering purposes.
- the discharge switches 29 and the switches 30, which are present in both transport devices 9, 14, make it possible to coordinate the material flow of the two products, book blocks 8 and envelopes 13, better and with greater flexibility.
- control device 15 can use the switches 30 to direct the book blocks 8 and the envelopes 13 specifically to an adhesive binder 19 in which these components are to be assembled into a printed product.
- the control device 15 with the digital printing machines 4, the adhesive binders 19, the transport devices 9, 14, 31, 32, the discharge switches 29, the switches 30 and the cutting machine 22 are shown in dashed lines Lines shown in lines are networked.
- sensor signals from sensor units 28, which are arranged at suitable locations in the device 1 can be transmitted to the control device 15 via the lines and control commands can be sent to the machines controlled by the control device 15.
- Via the switches 30 it is possible in particular to direct book blocks 8 and envelopes 13 to the perfect binder 19, which has been selected by the control device 15 as the most suitable perfect binder 19 in order to assemble a specific set of a book block 8 with an envelope 13.
- Fig. 3 shows an embodiment of the in Fig. 2 shown device 1 according to the invention.
- two digital printing machines 4 are now shown, with which envelopes 13 can be printed.
- the first of the two digital printing machines 4 can be used to print matt envelopes 13, while the second of the two digital printing machines 4 can be used to produce glossy envelopes 13.
- Fig. 3 are seven sensor units 28a are shown, which are used for quality control or for detecting the position of the printed book blocks 8 or the printed envelopes 13.
- An overtaking route 33 and loops 34 are also shown as part of the transport device 9.
- a book block 8 If a book block 8 is guided onto the overtaking route 33, it can overtake the book blocks 8 transported in front of it and be inserted into the product flow at the desired location. In the same way, individual or several book blocks 8 can be diverted into a loop 34, parked there, stored and reinserted into the product flow at the right time and in the right place.
- the sensor devices 28b which are designed as barcode or QR code readers, the respective book blocks 8, which are transported by the first transport device 9, can be recognized by the control device 15 in order to trigger the correct control pulses for the movement of these book blocks 8 can.
- the lines for connecting the machines and sensor units to the control device 15 are shown in order to simplify the drawing Fig. 3 omitted.
- the Fig. 4a shows a view of an adhesive binder 19 with a storage wheel 35 for envelopes 13.
- the feed of the envelopes 13 via the storage wheel 35 can be varied as an example of a product storage 16. If, for example, a book block 8 is discharged via the switch 29 to the collecting device 7 because it is incomplete, the associated cover remains in the storage wheel 35 until a new book block 8 has been produced that meets the quality requirements.
- the control device 15 triggers another order, the sheets are dynamically printed onto the paper web between two already planned orders and the missing book block 8 is collected via the cutting and folding device 6 and the collecting device 7 and handed over to the first conveyor device 9.
- the feeding of the envelopes 13 from the storage wheel 35 can be appropriately controlled by the control device 15.
- the perfect-bound printed products 36 are transported away from the perfect binder 19 by the third transport device 31.
- the Fig. 4b shows a view of an adhesive binder 19 with an upstream overhaul section for book blocks 8. Deviating from that in Fig. 4a In the exemplary embodiment shown, the order of the book blocks 8 conveyed can be changed via the overtaking route 33 shown there.
- Fig. 5 a configuration of the device 1 according to the invention with four digital printing machines 4 for printing book blocks 8 is shown.
- the digital printing machines 4 can be equipped with different paper, such as “creamy paper” and “white paper”. Since the digital printing machines 4 are each equipped with the paper required to complete the order, the corresponding print jobs can be placed immediately by the control device 15 on the appropriately equipped digital printing machines 4 without the need for a complex paper change on a digital printing machine 4.
- the completed book blocks 8 are stored in the in Fig. 5 shown configuration of the device 1 according to the invention is conveyed into a product memory 16 designed as a book block memory 37 of the first transport route 9, which serves as a buffer memory for book blocks 8.
- the buffer works according to the "first in - first out"principle; other forms of organization of the buffer memory are of course possible.
- 37 book blocks 8 are collected in the book block storage 37, for example according to their type of paper, their thickness, their format, their cover, their destination, etc. and then fed to the perfect binder one after the other. Operational interruptions of one or more digital printing machines 4 can be bridged via the book block memory 37 or another product memory 16. From the book block storage 37, the book blocks 8 can be conveyed to the perfect binders 19 with the first transport device 9 via switches 30.
- the finished printed envelopes 13 can be on the second transport device 14 along the conveying direction shown in solid lines from each digital printing machine 4 to each of the three in the Perfect binder 19 shown in the configuration can be conveyed. In one embodiment, it can also be provided that the finished printed envelopes 13 are only fed with matt envelopes 13 by one of the digital printing machines 4 and only with glossy envelopes 13 by another digital printing machine 4.
- the first, second and third transport devices 9, 14, 31 can be designed as ascending conveyors, which convey the book blocks 8, the envelopes 13 or the printed products 36 to higher or lower levels.
- Book blocks 8 in the digital printing machine 4 are interrupted by a paper change or a fault
- book blocks 8 from one of the product stores 16 are fed to the perfect binder 19 for a certain time and the digital printing machines 4 for envelopes produce the corresponding envelopes in a timely manner.
- book blocks 8 or envelopes that have already been produced and which meet the quality requirements are not destroyed after a malfunction or after defective intermediate products have been removed, but rather are temporarily stored on one of the transport routes 9, 14, in a loop 34 or in the storage wheel 35 for envelopes.
- the invention is not limited to the exemplary embodiments described above. It is not difficult for a person skilled in the art to modify the exemplary embodiments explained above in order to adapt the device to specific operating requirements.
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- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
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DE102022120062.0A DE102022120062A1 (de) | 2022-08-09 | 2022-08-09 | Vorrichtung zur Herstellung von Druckerzeugnissen in niedrigen Auflagen |
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EP4321347A1 true EP4321347A1 (fr) | 2024-02-14 |
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Family Applications (1)
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EP23189536.8A Pending EP4321347A1 (fr) | 2022-08-09 | 2023-08-03 | Dispositif pour la production de produits imprimés dans des supports inférieurs |
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DE (1) | DE102022120062A1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060028662A1 (en) * | 2004-08-09 | 2006-02-09 | Epac Technologies | System for and a method of producing a book on demand |
EP1816007A1 (fr) | 2006-02-03 | 2007-08-08 | Müller Martini Holding AG | Procédé et dispositif pour la fabrication de produits imprimés |
EP2179859A1 (fr) | 2008-10-23 | 2010-04-28 | Müller Martini Holding AG | Procédé et installation de fabrication de produits d'impression |
EP3056351A1 (fr) * | 2015-02-11 | 2016-08-17 | Müller Martini Holding AG | Procede pour la production d'un ordre d'impression |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3817463A1 (de) | 1988-05-21 | 1989-11-30 | Peter Schmidkonz | Verfahren und selbsttaetig arbeitende buchbindeanlage fuer unikate und kleinserien |
-
2022
- 2022-08-09 DE DE102022120062.0A patent/DE102022120062A1/de active Pending
-
2023
- 2023-08-03 EP EP23189536.8A patent/EP4321347A1/fr active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060028662A1 (en) * | 2004-08-09 | 2006-02-09 | Epac Technologies | System for and a method of producing a book on demand |
EP1816007A1 (fr) | 2006-02-03 | 2007-08-08 | Müller Martini Holding AG | Procédé et dispositif pour la fabrication de produits imprimés |
EP2179859A1 (fr) | 2008-10-23 | 2010-04-28 | Müller Martini Holding AG | Procédé et installation de fabrication de produits d'impression |
EP3056351A1 (fr) * | 2015-02-11 | 2016-08-17 | Müller Martini Holding AG | Procede pour la production d'un ordre d'impression |
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