EP3061607B1 - Strand catching device - Google Patents
Strand catching device Download PDFInfo
- Publication number
- EP3061607B1 EP3061607B1 EP16156170.9A EP16156170A EP3061607B1 EP 3061607 B1 EP3061607 B1 EP 3061607B1 EP 16156170 A EP16156170 A EP 16156170A EP 3061607 B1 EP3061607 B1 EP 3061607B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strand
- web
- catching device
- strands
- container
- 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.)
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Links
- 239000000463 material Substances 0.000 claims description 31
- 238000007639 printing Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000004804 winding Methods 0.000 description 6
- 238000007645 offset printing Methods 0.000 description 4
- 241000446313 Lamella Species 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 244000007853 Sarothamnus scoparius Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000109 continuous material Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 230000005783 single-strand break Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
- B41F33/18—Web break detection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/54—Article strippers, e.g. for stripping from advancing elements
- B65H29/56—Article strippers, e.g. for stripping from advancing elements for stripping from elements or machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H31/00—Pile receivers
- B65H31/22—Pile receivers removable or interchangeable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
- B65H45/22—Longitudinal folders, i.e. for folding moving sheet material parallel to the direction of movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2601/00—Problem to be solved or advantage achieved
- B65H2601/10—Ensuring correct operation
- B65H2601/11—Clearing faulty handling, e.g. jams
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2601/00—Problem to be solved or advantage achieved
- B65H2601/20—Avoiding or preventing undesirable effects
- B65H2601/26—Damages to handling machine
- B65H2601/261—Clogging
Definitions
- the invention relates to a strand catching device on a machine processing an endless substrate web, in particular a printing material web.
- This can be, in particular, a web-fed printing press that actually processes endless printing material for catching strands or partial webs that are no longer sufficiently guided in the folding structure.
- the full-width paper web is printed.
- the printing material web is usually divided into strands after printing. Instead of the term strand is sometimes the term sub-orbit used. These strands are aligned with one another via a so-called folding structure, which is also sometimes referred to as a turning unit.
- the strands belonging to a folded product which are usually fed into the same folding unit, are arranged in the folding structure completely or partially above one another and aligned before the strands belonging to a bundle of strands are fed to a folding unit. Before the entry of the strands into a folding unit, these can optionally be guided via a former to form a longitudinal fold.
- safety devices are known from the prior art in which the web or, theoretically, also the strand is guided through or at a potential nip, for example, two rotating, mutually parked rollers.
- the safety gear is activated so that the always rotating rollers are turned on and wind up the trailing track or the trailing train to avoid winders or stoppers.
- the DE 10 2008 040 818 A1 discloses a winding device for a material web with an unwinding station, in which the material web severed in the event of errors by means of a knock-off device is collected in a reject container.
- the DE 103 38 973 A1 teaches a web-fed printing press with a knock-off device, wherein in the case of a fault, the full-width web is detected by means of web-catching rollers of a web-catching device and fed to a collecting container.
- the object of the invention is therefore to provide a solution with which on the one hand the stop risk in the case of a strand break avoids or at least minimized and at the same time the effort for pulling in the one or more strands is minimized.
- the object is achieved in such a way that the preferably seen in the web running direction is attached to or after a towing device, in which the trailing rest of a broken strand enters, without touching other strands or substrate-promoting components and thus be able to damage.
- the invention is based on the consideration that long set-up times therefore result from strand breaks, since on the one hand the post-conveyed strand, which no longer runs in the intended strand guide, is conveyed into other web and / or strand-guiding components, thereby and / or strand breaks, winders, etc. caused.
- one or more web and / or strand separation devices is activated in the event of a strand break to avoid the Nachrucns high quantities of printing material.
- knocking off the web and / or the strands of the entire substrate is actually removed from the machine, so that the resumption of production usually a total retraction of all webs and strands is required.
- the invention is based on a strand break the nachge Formulaten strand, which is promoted due to the collapse of the strand tension, in particular at a draw roller arbitrarily from the respective machine component, in particular from the folding structure, and to isolate in a spatially separated area, so that this is not can get into a component of the web-processing machine more.
- Such spatial isolation of the incoming strand can be carried out either by a permanently installed spatial structure in the form of a cage or for example a grid box.
- the separation must be such that it is impermeable to the incoming strand.
- the strand catching device can also be designed as a trough-shaped structure which starts at a Strangzugwalze, preferably on a web-width Strangzugwalze or encloses this at least in a projection to accommodate the trailing broken strand.
- the arrangement is therefore particularly advantageous because shortly before the web-width Strangzugwalze the web is usually cut into strands.
- all strands are still side by side on the web-width Strangzugwalze, so that the trailing, unguided strand can be best taken at this point, especially since this is difficult when strands are arranged one above the other.
- a squeegee is attached to the Strangzugwalze on which adjoins the designed as a spatially isolated structure strand catching device, so that this avoids that the subsequent strand catches on the Strangzugwalze and is wound around this.
- the strand catching device can be made either of a solid, non-flexible separation, such as sheet metal, gratings, etc.
- the strand catching device can also be made of a flexible material, such as a solid fabric or a tarpaulin. However, it is also possible to make them from a flexible in one dimension material such as a lamella or lamellar material.
- FIG. 1 shows a web printing machine 1, with which a printing material web 10, that is, a web-shaped substrate is processed.
- the web-shaped substrate hereinafter referred to as web 10
- the web 10 is unwound from a roll, the web 10 is printed after building a web tension by means of the printing units, then in case of need, the printing substrate is dried and optionally cooled to subsequently conveyed into the folding structure 2 become.
- FIG. 1 By way of example, an illustration web offset printing machine 1 with a horizontal web guide in the area of the printing units is shown.
- the present invention can also be applied to newspaper web offset printing presses, web gravure presses, web flexographic printing presses, web presses or roller digital presses implement, ie the The invention is applicable to all known printing machines that print a printing substrate 10.
- the web 10 is usually, but not necessarily, laterally aligned, usually the print quality is checked to mostly, especially in large web widths the web 10 by means of a longitudinal cutting device 6 into individual, initially adjacent strands 11 split. These strands 11 are aligned with each other in the position required for the respective production to each other, so that they are usually arranged one above the other, to be subsequently fed to a folding unit 9.
- FIG. 2 shows by way of example a typical folding structure 2 of an illustration web offset printing machine 1, wherein the invention is independent of the configuration of a folding structure 2.
- the web 10 runs into the bottom Falzied 2 bottom left, usually passes through various sensors for detecting and regulating the pressure parameters, to be subsequently divided into individual strands 11 in the longitudinal cutting device 6.
- the strands 11, which are still viewed transversely to the strand running direction 12 are guided onto a web-width stranding roll 3-1 in order to build up the required web or strand tension in the web 10 or in the strands 11.
- This web-width Strangzugwalze 3-1 is not absolutely necessary, with the help of this roller can also be used only a guide roller, which is also called Aufteilwalze because of the special use.
- this dividing roller is designed as a web-width deflecting roller 4-1, from which the strands 11 are guided onto the various turning bars 7, which are generally arranged one above the other, in order to be laterally aligned with each other.
- the after the turner bars 7 usually superimposed strands 11 are subsequently fed to a folding unit 9, which optionally upstream of a former 8 for producing a first longitudinal fold.
- the trailing strand is collected in a strand catcher 20 to be spatially isolated there and thereby avoid that the nachge deviste strand 11 in other components of the printing machine 1 passes.
- the strand trapping device 20 comprises a container 21.
- This container 21 only has to be designed in such a way that it reliably retains one or more strands 11.
- the container 21 is designed in such a way that it can also reliably restrain arc-like strand sections, since sheet-like pieces can also be formed in the event of a web or strand break.
- the container may be made of a continuous material such as a sheet, it may also be materials with a non-closed surface such as grids, nets, sheets with punched or the like can be used.
- the strand catcher 20 or the container 21 may be formed as a trough-shaped collecting device 22, which can be adjusted according to the spatial conditions in the folding structure 2.
- the trough-shaped collecting device 22 may also be designed to be closed on the lateral end faces.
- the end faces of the trough-shaped collecting device 22 may also be open. This facilitates in particular the removal of the strand remnants, since these can then be pushed out of the container 21 or out of the trough-shaped collecting device 22, for example with a broom or a rod.
- the strand catching device 20 is basically arranged in the folding structure 2 and is advantageously arranged there in a stranding direction 12 on or after a stranding roll 3 or on or after a deflection roll 4.
- the container 21 may include the relevant draw roller 3 or deflection roller 4 - this is expressed by the term "on" - or may be arranged downstream in the strand direction.
- the strand catching device 20 is arranged in a region in which the strands 11, which are cut from one or more webs 10, are arranged transversely juxtaposed in the stranding direction 12, since at such a point with a catching device 22 all adjacent ones , that is, in general, all strands 11 cut from a web 10 can be collected with only one catching device 22.
- the container 21 or the strand catcher 20 designed as trough-shaped catcher 22 seen in strand direction 12 on or after a web-width draw roller, in particular a web-width Strangzugwalze 3-1 or on or after a web-width guide roller 4-1, since the rolls 10 cut from a web 10 are arranged next to each other on such rolls, so that all strands 11 of a web 10 can be collected with a single strand catching device 20.
- the strand catching device 20 also includes a doctor blade 5, which is employed on the Strangzugwalze 3 or guide roller 4 is to avoid a winding of the broken and trailing strand 11 or the plurality of broken and trailing strands 11 safe as out FIG. 3 can be seen.
- This may be a doctor blade 5, which is employed either in the axial extent of the roller completely or partially against the roller surface or at a small distance thereto is, or the doctor engages in grooves of the roller, to ensure in this way a detachment of the trailing strand 11 of the roller.
- containers 21 and the collecting devices 22 shown can be made of either a mechanically stable and unyielding material such as sheet or grid, but these can also be made of a flexible material such as a fabric, a tarpaulin or a network.
- a flexible material is completely sufficient in that the exact shape of the container 21 is generally not important.
- a container 21 made of a flexible material automatically adapts itself to possibly existing interference contours such as galleries or railings, which is particularly the case Retrofitting is an advantage.
- the container 21 can also be made of a material which is flexible in only a first extension, that is, only in one dimension and is substantially inflexible or highly inflexible in a second extension.
- these can be lamellas joined to one another, which are movably connected at their longitudinal edges to the adjacent lamella, as is known, for example, from roller shutter profiles or blinds.
- Such a configuration has the advantage that the container 21 existing interference contours is adaptable, but that nevertheless in one dimension, preferably in the axial extension of the tension roller 3 or guide roller 4 and thus transverse to the strand direction 12, a mechanical stability is given.
- the invention can be configured in such a way that the collecting device 22 is designed to be rollable.
- a winding device 23 is mounted at least at one end of the collecting device 22, on which the material of the collecting device 22, either for example, a tarpaulin, a fabric, a net or a kind of blinds, can be wound up.
- the catcher 22 can be removed with little effort to for example, for maintenance or cleaning or just to pull a web or strands in the Falzended optimal access to allow.
- two take-up devices 23 can also be used, wherein the material of the catching device 22 is wound on a first takeup device 23-1, and belts 23-2 are unwound on the second takeup device, which are unwound with the unwound end of the material of the catching device 22 are attached.
- the material of the collecting device 22 can be unwound again from the first winding device 23-1, that by collecting the straps the collecting device 22 is again formed with minimum personnel expenses in its original shape and in its intended form in Falzied 2.
- the at least one take-up device 23 can be driven either manually or by motor.
- a motor drive of the winding device 23 different automation steps can be realized, so that the strand catching device 20 or catching device 22 can be unrolled or rolled in, for example, by pressing a button. It is also useful, for example, to couple the unrolling or unrolling of the strand catching device 20 or the catching device 22 to the state of the machine 1, so that, for example, during the set-up operation of the machine 1, the strand catching device 20 or the catching device is wound up automatically in this operating state To allow maximum accessibility, while in the production mode of the machine 1, the strand catcher 20 and the drip pan 22 is automatically rolled out in order to be able to catch broken strands 11 if necessary.
- the container 21 or the collecting device 22 of the strand catching device can be designed to be removable from the folding structure.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Description
Die Erfindung bezieht sich auf eine Strangfangvorrichtung an einer eine endlose Substratbahn, insbesondere eine Bedruckstoffbahn verarbeitende Maschine. Dies kann insbesondere eine faktisch endlose Bedruckstoffbahn verarbeitende Rollendruckmaschine zum Auffangen von nicht mehr im Falzaufbau ausreichend geführten Strängen beziehungsweise Teilbahnen sein.The invention relates to a strand catching device on a machine processing an endless substrate web, in particular a printing material web. This can be, in particular, a web-fed printing press that actually processes endless printing material for catching strands or partial webs that are no longer sufficiently guided in the folding structure.
Bei einer ein bahnförmiges Substrat verarbeitenden Maschinen, wie beispielsweise eine faktisch endlose Bedruckstoffbahn verarbeitende Rollendruckmaschine, wird die vollbreite Papierbahn bedruckt. Um die bedruckte vollbreite Bahn mit Bahnbreiten bis zu ca. drei Metern im Offsetdruck und bis zu über vier Metern im Tiefdruck zu sinnvollen Produkten verarbeiten zu können, wird die Bedruckstoffbahn nach dem Bedrucken zumeist in Stränge aufgeteilt. Anstelle des Begriffes Strang wird teilweise auch der Begriff Teilbahn verwendet. Diese Stränge werden über einen sogenannten Falzaufbau, welcher teilweise auch als Wendeeinheit bezeichnet wird, zueinander ausgerichtet. Die zu einem Falzprodukt gehörigen Stränge, welche üblicherweise in das selbe Falzwerk geführt werden, werden im Falzaufbau ganz oder teilweise übereinander angeordnet und ausgerichtet, bevor die zu einem Strangbündel gehörigen übereinander liegenden Stränge einem Falzwerk zugeführt werden. Vor dem Einlauf der Stränge in ein Falzwerk können diese optional über einen Falztrichter zum Ausbilden eines Längsfalzes geführt werden.In a web-like processing substrate machines, such as a virtually endless printing material web-processing web press, the full-width paper web is printed. In order to be able to process the printed full-width web with web widths of up to approx. Three meters in offset printing and up to more than four meters in gravure printing to meaningful products, the printing material web is usually divided into strands after printing. Instead of the term strand is sometimes the term sub-orbit used. These strands are aligned with one another via a so-called folding structure, which is also sometimes referred to as a turning unit. The strands belonging to a folded product, which are usually fed into the same folding unit, are arranged in the folding structure completely or partially above one another and aligned before the strands belonging to a bundle of strands are fed to a folding unit. Before the entry of the strands into a folding unit, these can optionally be guided via a former to form a longitudinal fold.
Im Falzaufbau durchläuft somit nahezu jeder Strang mindestens eine Winkel- oder Versatzstange, durchläuft in der Regel mindestens eine Strangzugwalze, und wird zumeist über sogenannte Registerwalzen, gegebenenfalls sogar über zusätzliche Warenbahnregler zur lagerichtigen Ausrichtung in Bedruckstoffrichtung und quer dazu geführt.In Falzaufbau thus runs almost every strand at least one angle or offset rod, usually passes through at least one Strangzugwalze, and is usually on so-called register rollers, possibly even on additional web control for correct alignment in Bedruckstoffrichtung and performed across.
Aufgrund dieser vielfältigen Strangführungsmöglichkeiten ist es somit möglich, dass ein einzelner Strang reißt, so dass die Spannung mindestens in diesem Strang unterbrochen ist, was entweder zu Wicklern insbesondere an Zugwalzen führt oder aber Brüche weiterer Stränge verursacht.Because of this diverse strand guidance options, it is thus possible that a single strand breaks, so that the tension is interrupted at least in this strand, which either leads to winders in particular to draw rolls or fractures caused further strands.
Das Risiko von Bahn- oder Strangbrüchen kann auch bei perfekter Bahnführung und Maschinensteuerung nicht ausgeschlossen werden, da die Bedruckstoffqualität sowohl in Längsrichtung der Bahn als auch quer dazu Schwankungen unterliegen kann oder beispielsweise Bedruckstoffrollen während des Transportes beschädigt werden können. Derartige Schwachstellen oder mechanische Beschädigung insbesondere im Randbereich einer Bahn oder eines Stranges erhöhen das Risiko eines Bahn- bzw. Strangbruches erheblich.The risk of web or strand breaks can not be ruled out even with perfect web guidance and machine control, since the substrate quality can be subject to fluctuations both in the longitudinal direction of the web and transversely thereto or, for example, printing material rolls can be damaged during transport. Such weaknesses or mechanical damage, especially in the edge region of a web or a strand increase the risk of a web or strand break considerably.
Insbesondere bei modernen, schnelllaufenden Druckmaschinen mit Produktionsgeschwindigkeiten von bis zu mehr als 17 Metern pro Sekunde fallen bei einem Strangbruch erhebliche Mengen an Papier an, so dass das Risiko weiterer Strangbrüche durch ungeführte nachgeförderte Stränge erheblich steigt, insbesondere wenn im Falle eines Strangbruches der Strang in Bedruckstoffrichtung gesehen hinterhalb der Bruchstelle weitergefördert wird und in Bereiche des Falzaufbaus oder des Falzwerkes eindringen kann.In particular, in modern, high-speed printing presses with production speeds of up to more than 17 meters per second fall in a strand break considerable amounts of paper, so that the risk of further strand breaks by ungagement nachgeförderte strands considerably increases, especially if in the case of a strand break the strand in Bedruckstoffrichtung Seen behind the fracture point is further promoted and can penetrate into areas of the folding structure or the folding unit.
Aus dem Stand der Technik sind zur Vermeidung von Wicklern oder Papierstaus zum einen sogenannte Fangvorrichtungen bekannt, bei denen die Bahn oder theoretisch auch der Strang durch eine oder an einer potentiellen Klemmstelle bestehend beispielsweise auch zwei rotierenden, zueinander abgestellten Walzen geführt wird. Im Falle eines detektierten Bahn- bzw. theoretisch auch Strangbruches, wird die Fangvorrichtung aktiviert, so dass die immer rotierenden Walzen angestellt werden und die nachlaufende Bahn oder den nachlaufenden Strang zur Vermeidung von Wicklern oder Stopfern aufwickeln.To avoid winders or paper jams, so-called safety devices are known from the prior art in which the web or, theoretically, also the strand is guided through or at a potential nip, for example, two rotating, mutually parked rollers. In the case of a detected train or theoretically also strand breakage, the safety gear is activated so that the always rotating rollers are turned on and wind up the trailing track or the trailing train to avoid winders or stoppers.
Aus dem Stand der Technik sind auch Verfahren bekannt, bei welchen bei Detektion eines Bahn- und/oder Strangbruches mittels Bahn- bzw. Strangbruchsensoren nicht nur eine Fangvorrichtung ausgelöst wird, sondern zeitgleich werden auch an verschiedenen Stellen in der eine Bedruckstoffbahn verarbeitende Maschine angebrachte Abschlagvorrichtungen aktiviert und die Maschine im sogenannten Sicher-Halt-Modus schnellstmöglich gestoppt, so dass nur noch eine relativ begrenzte Menge des Substrates in die jeweiligen Komponenten oder Wicklergefährdeten Bereiche wie beispielsweise Zugwalzen gefördert wird.Methods are also known from the prior art, in which upon detection of a web and / or strand break by means of web or strand break sensors not only a safety gear is triggered, but at the same time also at different points in a printing material processing machine attached teeing devices activated and stopped the machine in the so-called safe-stop mode as soon as possible, so that only a relatively limited amount of the substrate in the respective components or Wicklergefährdeten areas such as draw rollers is promoted.
Die
Die
Aus der
Dieser Stand der Technik weist jedoch vielfältige Nachteile auf. So benötigen beispielsweise derartige Fangvorrichtungen, welche auch als Rücklaufsicherung bezeichnet werden, einen relativ großen mechanischen Bauraum. Zudem sind diese mechanisch relativ aufwändig gestaltet, da diese beispielsweise mindestens einen Antrieb benötigen und müssen zur Sicherstellung einer extrem kurzen Reaktionszeit permanent beim Betrieb der Maschine angetrieben werden. Dieser hohe mechanische und steuerungstechnische Aufwand resultiert auch in hohen Investitionskosten.However, this prior art has many disadvantages. For example, such safety gears, which are also referred to as return safety, require a relatively large mechanical space. In addition, these are mechanically relatively complicated, since they require, for example, at least one drive and must be permanently driven during operation of the machine to ensure an extremely short reaction time. This high mechanical and control engineering effort also results in high investment costs.
Darüber hinaus weisen Sicherungseinrichtungen wie Abschlagvorrichtungen den Nachteil auf, dass bis zum Halt der Maschine aufgrund der hohen Produktionsgeschwindigkeiten immer noch hohe Mengen des Bedruckstoffes in die verschiedenen Komponenten der Maschine gefördert werden, was zu einem relativ hohen Stopperrisiko führt.In addition, have safety devices such as teeing devices the disadvantage that until the stop of the machine due to the high production speeds still high amounts of the printing material are promoted in the various components of the machine, resulting in a relatively high stop risk.
Insbesondere ist bei den bekannten Lösungen von Nachteil, dass nach einem Bahn- bzw. Strangbruch und dem daraus resultierenden Abschlagen und/oder Stoppen der Anlage sowohl die Bedruckstoffbahn als auch die Stränge wieder komplett eingezogen werden müssen. Bei Anlagen mit einer großen Bedruckstoffbreite und somit einer hohen Anzahl von Strängen führt dies zu relativ langen Stillstandszeiten und langen Produktionsausfällen der Anlage.In particular, in the known solutions of disadvantage that after a web or strand break and the resulting knocking off and / or stopping the system both the printing substrate and the strands must be completely retracted again. In systems with a large substrate width and thus a high number of strands, this leads to relatively long downtimes and long production losses of the plant.
Die Aufgabe der Erfindung ist es daher, eine Lösung zu schaffen, mit welcher zum einen das Stopperrisiko im Falle eines Strangbruches vermieden oder mindestens minimiert wird und gleichzeitig der Aufwand zum Einziehen des einen oder der mehreren Stränge minimiert wird.The object of the invention is therefore to provide a solution with which on the one hand the stop risk in the case of a strand break avoids or at least minimized and at the same time the effort for pulling in the one or more strands is minimized.
Die Aufgabe wird erfindungsgemäß derart gelöst, dass die vorzugsweise in Bahnlaufrichtung gesehen an oder nach einer Zugeinrichtung angebracht ist, in welcher der nachlaufende Rest eines gebrochenen Stranges einläuft, ohne andere Stränge oder Bedruckstoff fördernde Komponenten berühren und somit schädigen zu können.The object is achieved in such a way that the preferably seen in the web running direction is attached to or after a towing device, in which the trailing rest of a broken strand enters, without touching other strands or substrate-promoting components and thus be able to damage.
Vorteilhafte Ausgestaltungen des Funktionselements sind Gegenstand der Unteransprüche.Advantageous embodiments of the functional element are the subject of the dependent claims.
Die Erfindung geht von der Überlegung aus, dass lange Rüstzeiten deshalb aus Strangbrüchen resultieren, da zum einen der nachgeförderte Strang, welcher nicht mehr in der vorgesehenen Strangführung läuft, in andere Bahn- und/oder Strang-führende Komponenten gefördert wird, und dadurch Bahn- und/oder Strangbrüche, Wickler etc. verursacht.The invention is based on the consideration that long set-up times therefore result from strand breaks, since on the one hand the post-conveyed strand, which no longer runs in the intended strand guide, is conveyed into other web and / or strand-guiding components, thereby and / or strand breaks, winders, etc. caused.
Zum anderen wird zur Vermeidung des Nachförderns hoher Bedruckstoffmengen im Falle eines Strangbruches eine oder mehrere Bahn- und/oder Strang-Trennvorrichtungen aktiviert. Allerdings wird durch das Abschlagen der Bahn und/oder der Stränge der gesamte Bedruckstoff faktisch aus der Maschine genommen, so dass zur Wiederaufnahme der Produktion in der Regel ein gesamtes Einziehen aller Bahnen und Stränge erforderlich ist.On the other hand, one or more web and / or strand separation devices is activated in the event of a strand break to avoid the Nachförderns high quantities of printing material. However, by knocking off the web and / or the strands of the entire substrate is actually removed from the machine, so that the resumption of production usually a total retraction of all webs and strands is required.
Insofern beruht die Erfindung darauf, bei einem Strangbruch den nachgeförderten Strang, welcher aufgrund des Zusammenbruchs der Strangspannung insbesondere an einer Zugwalze beliebig aus der jeweiligen Maschinenkomponente, insbesondere aus dem Falzaufbau gefördert wird, aufzufangen und in einem räumlich abgetrennten Bereich zu isolieren, so dass dieser nicht mehr in eine Komponente der Bahn-verarbeitenden Maschine gelangen kann.In this respect, the invention is based on a strand break the nachgeförderten strand, which is promoted due to the collapse of the strand tension, in particular at a draw roller arbitrarily from the respective machine component, in particular from the folding structure, and to isolate in a spatially separated area, so that this is not can get into a component of the web-processing machine more.
Eine derartige räumliche Isolation des einlaufenden Stranges kann entweder durch ein fest installiertes räumliches Gebilde in Form eines Käfigs oder beispielsweise einer Gitterbox ausgeführt sein. Die Abtrennung muss in der Art ausgeführt sein, dass diese für den einlaufenden Strang nicht durchdringbar ist.Such spatial isolation of the incoming strand can be carried out either by a permanently installed spatial structure in the form of a cage or for example a grid box. The separation must be such that it is impermeable to the incoming strand.
Die Strangfangvorrichtung kann auch als wannenförmiges Gebilde ausgeführt sein, welches an einer Strangzugwalze, vorzugsweise an einer bahnbreiten Strangzugwalze beginnt oder diese mindestens in einer Projektion einschließt, um den nachlaufenden gebrochenen Strang aufzunehmen. An der bahnbreiten Strangzugwalze ist die Anordnung deshalb besonders vorteilhaft, da kurz vor der bahnbreiten Strangzugwalze die Bahn üblicherweise in Stränge aufgeschnitten wird. Somit liegen auf der bahnbreiten Strangzugwalze alle Stränge noch nebeneinander, so dass der nachlaufende, ungeführte Strang an dieser Stelle am besten entnommen werden kann, zumal dies schwierig wird, sobald Stränge übereinander angeordnet sind.The strand catching device can also be designed as a trough-shaped structure which starts at a Strangzugwalze, preferably on a web-width Strangzugwalze or encloses this at least in a projection to accommodate the trailing broken strand. At the web-width Strangzugwalze the arrangement is therefore particularly advantageous because shortly before the web-width Strangzugwalze the web is usually cut into strands. Thus, all strands are still side by side on the web-width Strangzugwalze, so that the trailing, unguided strand can be best taken at this point, especially since this is difficult when strands are arranged one above the other.
Vorzugsweise ist an der Strangzugwalze, an welcher die als räumlich isoliertes Gebilde ausgeführte Strangfangvorrichtung angrenzt, ein Rakel angebracht, so dass hierdurch vermieden wird, dass sich der nachfolgende Strang auf der Strangzugwalze fängt und um diese aufgewickelt wird.Preferably, a squeegee is attached to the Strangzugwalze on which adjoins the designed as a spatially isolated structure strand catching device, so that this avoids that the subsequent strand catches on the Strangzugwalze and is wound around this.
Die Strangfangvorrichtung kann entweder aus einer festen, nicht flexiblen Abtrennung ausgeführt werden, wie beispielsweise aus Blech, Gittern etc. Die Strangfangvorrichtung kann aber auch aus einem flexiblen Material ausgeführt sein, wie beispielsweise einem festem Gewebe oder einer Plane. Es ist jedoch auch möglich, diese aus einem in einer Dimension flexiblen Material wie einem aus Lamellen oder lamellenartigem Werkstoff auszuführen.The strand catching device can be made either of a solid, non-flexible separation, such as sheet metal, gratings, etc. The strand catching device can also be made of a flexible material, such as a solid fabric or a tarpaulin. However, it is also possible to make them from a flexible in one dimension material such as a lamella or lamellar material.
Ein Ausführungsbeispiel einer Erfindung wird anhand einer Zeichnung näher erläutert. Darin zeigen:
- Fig. 1
- Eine zur Verarbeitung einer Substratbahn geeignete Maschine am Beispiel einer Rollendruckmaschine
- Fig. 2
- Einen beispielhaften Falzaufbau einer Rollendruckmaschine
- Fig. 3
- Eine beispielhafte Ausgestaltung einer aufrollbaren Strangfangvorrichtung
- Fig. 4
- Eine beispielhafte Ausgestaltung einer Strangfangvorrichtung
- Fig. 1
- A suitable for processing a substrate web machine using the example of a web press
- Fig. 2
- An exemplary folding structure of a web-fed printing press
- Fig. 3
- An exemplary embodiment of a rollable strand catching device
- Fig. 4
- An exemplary embodiment of a strand catching device
Gleiche Teile sind in allen Figuren mit denselben Bezugszeichen versehen.Identical parts are provided with the same reference numerals in all figures.
In
Im Falzaufbau 2 oder auch Wendeeinheit genannt, wird die Bahn 10 in der Regel, jedoch nicht zwingend, seitlich ausgerichtet, zumeist wird die Druckqualität überprüft, um zumeist, insbesondere bei großen Bahnbreiten die Bahn 10 mittels einer Längsschneideinrichtung 6 in einzelne, zunächst nebeneinander liegende Stränge 11 aufzuteilen. Diese Stränge 11 werden zueinander in der für die jeweilige Produktion erforderliche Lage zueinander ausgerichtet, so dass diese in der Regel übereinander angeordnet sind, um anschließend einem Falzwerk 9 zugeführt zu werden.In the folding structure 2 or also called turning unit, the
In der in
Diese bahnbreite Strangzugwalze 3-1 ist nicht zwingend erforderlich, anhand dieser Walze kann auch lediglich eine Umlenkwalze, welche wegen der besonderen Verwendung auch Aufteilwalze genannt wird, zum Einsatz kommen.This web-width Strangzugwalze 3-1 is not absolutely necessary, with the help of this roller can also be used only a guide roller, which is also called Aufteilwalze because of the special use.
Bei dem in
Alternativ ist auch eine Falzaufbaukonfiguration vorstellbar, bei welcher auf der Aufteilwalze erst der Längsschnitt, d. h. die Aufteilung der Bahn 10 in einzelne Stränge 11 erfolgt.Alternatively, a folding configuration is conceivable in which on the dividing roller only the longitudinal section, d. H. the division of the
Die nach den Wendestangen 7 in der Regel übereinander liegenden Stränge 11 werden im Anschluss einem Falzwerk 9 zugeführt, welchem optional ein Falztrichter 8 zur Erzeugung eines ersten Längsfalzes vorgelagert ist.The after the turner bars 7 usually superimposed strands 11 are subsequently fed to a folding unit 9, which optionally upstream of a former 8 for producing a first longitudinal fold.
Reißt nun im Bereich nach der bahnbreiten Zugwalze 3-1 ein Strang 11, so wird der in Stranglaufrichtung 12 vordem Bruch liegende Bereich des Stranges zumeist noch durch den Falzaufbau 2 gezogen bzw. mitgefördert, wenngleich aufgrund der nicht mehr vorhandenen Strangspannung mindestens die Qualität der Strangführung beeinträchtigt ist. Es besteht bei einem derartigen Vorfall auch immer das Risiko eines Wicklers oder Papierstaus oder aber dem Bruch weiterer Stränge 11.Tear now in the area after the web-width draw roller 3-1 a strand 11, the strand strand 12 in the previous direction lying fraction of the strand is usually still pulled or promoted by the Falzaufbau 2, although due to the no longer present strand tension at least the quality of the strand guide is impaired. There is always the risk of a winder or paper jam or the breaking of other strands 11 in such an event.
Es besteht jedoch eine sehr hohe Wahrscheinlichkeit, dass der in Stranglaufrichtung 12 vor dem Bruch liegende Teil des Stranges 11 ohne weitere Störungen durch den Falzaufbau 2 und in das Falzwerk 9 gefördert wird. In diesem Fall bleibt abhängig von der Lage der Bruchstelle ein mehr oder weniger langer, in Stranglaufrichtung 12 gesehener hinter der Bruchstelle liegender Strang 11 übrig, welcher zumeist keine Bahnspannung mehr aufweist und somit in seiner Lage ungeführt ist. Ferner ist zu berücksichtigen, dass dieser Strang 11 aufgrund der hohen Produktionsgeschwindigkeiten von modernen Rollendruckmaschinen von bis zu 17,5 Metern pro Sekunde mit erheblicher Geschwindigkeit nachgefördert wird, wodurch dieser Teil des Stranges 11 in kürzester Zeit und auch noch selbst nach einem eingeleiteten Stopp der Druckmaschine 1 bis zum Stillstand dieser eine beträchtliche Länge aufweist.However, there is a very high likelihood that the part of the strand 11 lying in line running direction 12 before breaking will be conveyed through the folding structure 2 and into the folding unit 9 without further disturbances. In this case, depending on the position of the break point remains a more or less long, seen in strand direction 12 behind the fracture lying strand 11 left, which usually has no more web tension and thus ungauged in its position. Furthermore, it should be noted that this strand 11 is nachgefördert due to the high production speeds of modern web presses of up to 17.5 meters per second with considerable speed, making this part of the strand 11 in the shortest possible time and even after an initiated stop the press 1 to a standstill this has a considerable length.
Um zu vermeiden, dass dieser gebrochene Strang 11 in andere Bahn- oder Strang-führende Bereiche des Falzaufbaus 2 gelangt, und dort Wickler, Stopfer oder weitere Strangbrüche und aus diesen resultierend womöglich einen Schaden an den Komponenten des Falzaufbaus 2 oder des Falzwerkes 9 verursacht, wird der nachlaufende Strang in einer Strangfangvorrichtung 20 aufgefangen, um dort räumlich isoliert zu werden und um damit zu vermeiden, dass der nachgeförderte Strang 11 in andere Komponenten der Druckmaschine 1 gelangt.To avoid that this broken strand 11 gets into other web or strand-leading areas of the folder assembly 2, and there winder, tamper or further strand breaks and resulting from these possibly cause damage to the components of the folding structure 2 or the folding unit 9, the trailing strand is collected in a strand catcher 20 to be spatially isolated there and thereby avoid that the nachgeförderte strand 11 in other components of the printing machine 1 passes.
Somit umfasst erfindungsgemäß die Strangfangvorrichtung 20 ein Behältnis 21. Dieses Behältnis 21 muss lediglich in der Form ausgeführt sein, dass es einen oder mehrere Stränge 11 zuverlässig zurückhält. Vorteilhafterweise ist das Behältnis 21 in der Form ausgeführt, dass dieses auch bogenartige Strangabschnitte sicher zurückhalten kann, da bei einem Bahn- oder Strangbruch auch bogenartige Stücke entstehen können.Thus, according to the invention, the strand trapping device 20 comprises a container 21. This container 21 only has to be designed in such a way that it reliably retains one or more strands 11. Advantageously, the container 21 is designed in such a way that it can also reliably restrain arc-like strand sections, since sheet-like pieces can also be formed in the event of a web or strand break.
Um das Zurückhalten von Strangstücken und/oder Bogen sicherzustellen, kann das Behältnis aus einem durchgängigen Material wie beispielsweise einem Blech bestehen, es können auch Materialien mit einer nicht geschlossenen Oberfläche wie beispielsweise Gitter, Netze, Bleche mit Ausstanzungen oder ähnliches zum Einsatz kommen.In order to ensure retention of extrudates and / or sheets, the container may be made of a continuous material such as a sheet, it may also be materials with a non-closed surface such as grids, nets, sheets with punched or the like can be used.
In einer besonders vorteilhaften Ausgestaltung der Erfindung kann die Strangfangvorrichtung 20 bzw. das Behältnis 21 als wannenförmige Auffangvorrichtung 22 ausgebildet sein, welche entsprechend den räumlichen Gegebenheiten im Falzaufbau 2 angepasst werden kann. Hierbei kann die wannenförmige Auffangvorrichtung 22 an den seitlichen Stirnflächen ebenfalls geschlossen ausgeführt sein. Da der oder die aufgefangenen Stränge 11 jedoch in aller Regel sofort nach Eintritt in das Behältnis 21 oder in die wannenförmige Auffangvorrichtung 22 zum Liegen kommen, können die Stirnseiten der wannenförmigen Auffangvorrichtung 22 auch offen sein. Dies erleichtert insbesondere das Entfernen der Strangreste, da diese dann beispielsweise mit einem Besen oder einer Stange aus dem Behältnis 21 oder aus der wannenförmigen Auffangvorrichtung 22 herausgeschoben werden können.In a particularly advantageous embodiment of the invention, the strand catcher 20 or the container 21 may be formed as a trough-shaped collecting device 22, which can be adjusted according to the spatial conditions in the folding structure 2. Here, the trough-shaped collecting device 22 may also be designed to be closed on the lateral end faces. However, since the collected strands or 11 come to lie as a rule immediately after entering the container 21 or in the trough-shaped collecting device 22, the end faces of the trough-shaped collecting device 22 may also be open. This facilitates in particular the removal of the strand remnants, since these can then be pushed out of the container 21 or out of the trough-shaped collecting device 22, for example with a broom or a rod.
Die Strangfangvorrichtung 20 ist grundsätzlich im Falzaufbau 2 angeordnet und ist dort vorteilhafterweise in Stranglaufrichtung 12 gesehen an oder nach einer Strangzugwalze 3 oder an oder nach einer Umlenkwalze 4 angeordnet. Somit kann das Behältnis 21 die relevante Zugwalze 3 oder Umlenkwalze 4 einschließen - dies wird mit dem Begriff "an" zum Ausdruck gebracht - oder kann dieser in Stranglaufrichtung nachgelagert angeordnet sein.The strand catching device 20 is basically arranged in the folding structure 2 and is advantageously arranged there in a stranding direction 12 on or after a
In einer vorteilhaften Ausgestaltung ist die Strangfangvorrichtung 20 in einem Bereich angeordnet, in welchem die Stränge 11, welche aus einer oder mehreren Bahnen 10 geschnitten werden, in Stranglaufrichtung 12 gesehen quer nebeneinander angeordnet sind, da an einer derartigen Stelle mit einer Auffangvorrichtung 22 alle nebeneinander liegenden, das heißt, in der Regel alle aus einer Bahn 10 geschnittenen Stränge 11 mit nur einer Auffangvorrichtung 22 aufgefangen werden können.In an advantageous embodiment, the strand catching device 20 is arranged in a region in which the strands 11, which are cut from one or
Somit erschließt es sich, warum bei einer besonders vorteilhaften Ausgestaltung der Erfindung das Behältnis 21 oder die als wannenförmige Auffangvorrichtung 22 ausgebildete Strangfangvorrichtung 20 in Stranglaufrichtung 12 gesehen an oder nach einer bahnbreiten Zugwalze, insbesondere einer bahnbreiten Strangzugwalze 3-1 oder an oder nach einer bahnbreiten Umlenkwalze 4-1 angeordnet ist, da an derartigen Walzen die aus einer Bahn 10 geschnittenen Stränge 11 nebeneinander angeordnet sind, so dass mit einer einzigen Strangfangvorrichtung 20 alle Stränge 11 einer Bahn 10 aufgefangen werden können.Thus, it opens up, why, in a particularly advantageous embodiment of the invention, the container 21 or the strand catcher 20 designed as trough-shaped catcher 22 seen in strand direction 12 on or after a web-width draw roller, in particular a web-width Strangzugwalze 3-1 or on or after a web-width guide roller 4-1, since the
Um sicherzustellen, dass im Falle eines Strangbruches der nachlaufende Strang 11 in die Auffangvorrichtung 22 oder in das Behältnis 21 gefördert wird, umfasst in einer ganz besonders vorteilhaften Ausgestaltung der Erfindung die Strangfangvorrichtung 20 auch ein Rakel 5, welches an die Strangzugwalze 3 oder Umlenkwalze 4 angestellt ist, um ein Aufwickeln des gebrochenen und nachlaufenden Stranges 11 oder der Mehrzahl an gebrochenen und nachlaufenden Strängen 11 sicher zu vermeiden, wie aus
Die in den
Alternativ hierzu kann das Behältnis 21 auch aus einem Material hergestellt werden, welches in nur einer ersten Erstreckung, das heißt nur in einer Dimension flexibel ist und in einer zweiten Erstreckung im Wesentlichen unflexibel oder in hohem Maße unflexibel ist. Dies können beispielhaft aneinander gefügte Lamellen sein, die an ihren Längskanten beweglich mit der benachbarten Lamelle verbunden sind, wie dies beispielsweise von Rollladenprofilen oder Rollladen bekannt ist. Eine derartige Ausgestaltung weist den Vorteil auf, dass das Behältnis 21 vorhandenen Störkonturen anpassbar ist, dass aber dennoch in einer Dimension, vorzugsweise in axialer Erstreckung der Zugwalze 3 oder Umlenkwalze 4 und somit quer zur Stranglaufrichtung 12 eine mechanische Stabilität gegeben ist.Alternatively, the container 21 can also be made of a material which is flexible in only a first extension, that is, only in one dimension and is substantially inflexible or highly inflexible in a second extension. By way of example, these can be lamellas joined to one another, which are movably connected at their longitudinal edges to the adjacent lamella, as is known, for example, from roller shutter profiles or blinds. Such a configuration has the advantage that the container 21 existing interference contours is adaptable, but that nevertheless in one dimension, preferably in the axial extension of the
Wie in
Wie in
Durch derartige Gurte kann das Material der Auffangvorrichtung 22 wieder derart von der ersten Aufwickelvorrichtung 23-1 abgewickelt werden, dass durch Aufwickeln der Gurte die Auffangvorrichtung 22 wieder mit geringstem Personalaufwand in seiner ursprünglichen Gestalt und in seiner vorgesehenen Form im Falzaufbau 2 ausgebildet ist. Die mindestens eine Aufwickelvorrichtung 23 kann entweder manuell oder motorisch angetrieben werden.By such straps, the material of the collecting device 22 can be unwound again from the first winding device 23-1, that by collecting the straps the collecting device 22 is again formed with minimum personnel expenses in its original shape and in its intended form in Falzaufbau 2. The at least one take-up device 23 can be driven either manually or by motor.
Mit einem motorischen Antrieb der Aufwickelvorrichtung 23 lassen sich auch unterschiedliche Automatisierungsschritte realisieren, so dass die Strangfangvorrichtung 20 bzw. Auffangvorrichtung 22 beispielsweise mittels eines Tastendruckes aus- oder einrollen lässt. Es ist beispielsweise auch sinnvoll, das Ein- oder Ausrollen der Strangfangvorrichtung 20 oder der Auffangvorrichtung 22 an den Zustand der Maschine 1 zu koppeln, so dass beispielsweise während des Rüstbetriebes der Maschine 1 die Strangfangvorrichtung 20 oder die Auffangvorrichtung automatisch aufgewickelt wird, um in diesem Betriebszustand eine maximale Zugänglichkeit zu ermöglichen, während im Produktionsmodus der Maschine 1 die Strangfangvorrichtung 20 beziehungsweise die Auffangwanne 22 automatisch ausgerollt wird, um im Bedarfsfall gebrochene Stränge 11 auffangen zu können.With a motor drive of the winding device 23, different automation steps can be realized, so that the strand catching device 20 or catching device 22 can be unrolled or rolled in, for example, by pressing a button. It is also useful, for example, to couple the unrolling or unrolling of the strand catching device 20 or the catching device 22 to the state of the machine 1, so that, for example, during the set-up operation of the machine 1, the strand catching device 20 or the catching device is wound up automatically in this operating state To allow maximum accessibility, while in the production mode of the machine 1, the strand catcher 20 and the drip pan 22 is automatically rolled out in order to be able to catch broken strands 11 if necessary.
Zum einfacheren Aufwickeln und Abwickeln ist es auch möglich, das Material der Auffangvorrichtung 22 in nicht dargestellten Führungsschienen, welche in der Projektion einer Draufsicht auf den Falzaufbau 2 parallel zur Stranglaufrichtung 12 verlaufen, zu führen.For easier winding and unwinding, it is also possible, the material of the collecting device 22 in guide rails, not shown, which in the projection a plan view of the folding structure 2 parallel to the strand running direction 12 extend to lead.
Gemäß einer weiteren Ausgestaltung der Erfindung kann, wenngleich in keiner der Figuren dargestellt, das Behältnis 21 oder die Auffangvorrichtung 22 der Strangfangvorrichtung aus dem Falzaufbau entnehmbar ausgeführt sein.According to a further embodiment of the invention, although not shown in any of the figures, the container 21 or the collecting device 22 of the strand catching device can be designed to be removable from the folding structure.
- 11
- Maschine / DruckmaschineMachine / printing machine
- 22
- Falzaufbaufolding structure
- 33
- StrangzugwalzeStrangzugwalze
- 3-13-1
- bahnbreite Strangzugwalzeweb width of the tension roller
- 44
- Umlenkwalzedeflecting
- 4-14-1
- bahnbreite Umlenkwalzeweb width deflection roller
- 55
- Rakeldoctor
- 66
- LängsschneideinrichtungSlitter
- 77
- Wendestangeturning bar
- 88th
- Falztrichterformers
- 99
- Falzwerkfolding
- 1010
- Bedruckstoffbahn / BahnSubstrate web / web
- 1111
- Strangstrand
- 1212
- StranglaufrichtungStrand running direction
- 2020
- StrangfangvorrichtungTrain safety gear
- 2121
- Behältniscontainer
- 2222
- Auffangvorrichtungcatcher
- 2323
- Aufwickelvorrichtungrewinder
- 23-123-1
- erste Aufwickelvorrichtungfirst take-up device
- 23-223-2
- zweite Aufwickelvorrichtungsecond take-up device
Claims (9)
- A strand catching device (20) of a machine (1), which processes a continuous printing material web (10), in particular a web fed printing press (1), which processes a continuous printing material web (10), for catching one or a plurality of broken and ending strands (11), wherein the strand catching device (20) comprises a container (21), which holds back a sheet or strand,
characterized in that the strand catching device (9) is arranged in a folder superstructure (2). - The strand catching device according to claim 1, characterized in that the strand catching device (20) is arranged on or downstream from a strand drawing roller (3) or on or downstream from a guide roller (4).
- The strand catching device according to claim 1, characterized in that the strand catching device (20) is arranged on or downstream from a web width strand drawing roller (3-1) or on or downstream from a web width guide roller (4-1).
- The strand catching device according to one of the preceding claims, characterized in that the strand catching device (20) is arranged in areas, in which the strands (11) are arranged next to one another in a direction of extension perpendicular to a strand running direction (12).
- The strand catching device according to one of the preceding claims, characterized in that the strand catching device (20) comprises a doctor blade (5) on the upstream strand drawing roller (3) or on the upstream guide roller (4).
- The strand catching device according to one of the preceding claims, characterized in that the strand caching device (20) is made of a flexible material.
- The strand catching device according to claim 6, characterized in that the strand catching device (20) is made of a material, which is flexible in a first extension and which is inflexible in a second extension.
- The strand catching device according to one of claims 6 or 7, characterized in that the container (21) or the catching device (22) is embodied so as to be capable of being rolled up.
- The strand catching device according to one of the preceding claims, characterized in that the strand catching device (20) or the container (21) is capable of being removed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL16156170T PL3061607T3 (en) | 2015-02-25 | 2016-02-17 | Strand catching device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015102695.3A DE102015102695A1 (en) | 2015-02-25 | 2015-02-25 | Train safety gear |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3061607A1 EP3061607A1 (en) | 2016-08-31 |
EP3061607B1 true EP3061607B1 (en) | 2018-08-01 |
Family
ID=55411243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16156170.9A Active EP3061607B1 (en) | 2015-02-25 | 2016-02-17 | Strand catching device |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3061607B1 (en) |
DE (1) | DE102015102695A1 (en) |
PL (1) | PL3061607T3 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2692876B1 (en) * | 1992-06-25 | 1996-03-08 | Heidelberger Druckmasch Ag | AUTOMATIC DEVICE FOR CAPTURING A RIPPED STRIP OF PAPER. |
DE10052013A1 (en) * | 1999-11-09 | 2001-05-10 | Heidelberger Druckmasch Ag | Device and method for preventing winders in a web-fed rotary printing press |
DE10338973B4 (en) * | 2002-09-30 | 2013-01-31 | Goss International Montataire S.A. | Method and device for fault detection during transport of a material web |
DE102008040818A1 (en) * | 2008-07-29 | 2010-02-04 | Voith Patent Gmbh | Method for cleaning material course of winding device, involves conducting material course in waste bin arranged below operating station |
-
2015
- 2015-02-25 DE DE102015102695.3A patent/DE102015102695A1/en not_active Withdrawn
-
2016
- 2016-02-17 PL PL16156170T patent/PL3061607T3/en unknown
- 2016-02-17 EP EP16156170.9A patent/EP3061607B1/en active Active
Also Published As
Publication number | Publication date |
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DE102015102695A1 (en) | 2016-08-25 |
PL3061607T3 (en) | 2018-12-31 |
EP3061607A1 (en) | 2016-08-31 |
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