EP1591230B1 - Apparatus for feeding blanks to a folding box gluing machine - Google Patents
Apparatus for feeding blanks to a folding box gluing machine Download PDFInfo
- Publication number
- EP1591230B1 EP1591230B1 EP05102286.1A EP05102286A EP1591230B1 EP 1591230 B1 EP1591230 B1 EP 1591230B1 EP 05102286 A EP05102286 A EP 05102286A EP 1591230 B1 EP1591230 B1 EP 1591230B1
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- EP
- European Patent Office
- Prior art keywords
- belt
- drive
- feeder
- guide
- rollers
- 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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- 238000004026 adhesive bonding Methods 0.000 title description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000011090 solid board Substances 0.000 description 2
- 210000002105 tongue Anatomy 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
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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
- B65H3/00—Separating articles from piles
- B65H3/02—Separating articles from piles using friction forces between articles and separator
- B65H3/04—Endless-belt separators
- B65H3/042—Endless-belt separators separating from the bottom of the pile
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/02—Feeding or positioning sheets, blanks or webs
- B31B50/04—Feeding sheets or blanks
- B31B50/042—Feeding sheets or blanks using rolls, belts or chains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/02—Feeding or positioning sheets, blanks or webs
- B31B50/04—Feeding sheets or blanks
- B31B50/06—Feeding sheets or blanks from stacks
- B31B50/062—Feeding sheets or blanks from stacks from the underside of a magazine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/20—Belts
- B65H2404/25—Driving or guiding arrangements
- B65H2404/253—Relative position of driving and idler rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/20—Belts
- B65H2404/25—Driving or guiding arrangements
- B65H2404/254—Arrangement for varying the guiding or transport length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/20—Belts
- B65H2404/25—Driving or guiding arrangements
- B65H2404/255—Arrangement for tensioning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/20—Belts
- B65H2404/26—Particular arrangement of belt, or belts
- B65H2404/264—Arrangement of side-by-side belts
- B65H2404/2641—Arrangement of side-by-side belts on movable frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/176—Cardboard
- B65H2701/1764—Cut-out, single-layer, e.g. flat blanks for boxes
Definitions
- the invention relates to a device for feeding blanks to a folding box gluing machine according to the preamble of claim 1.
- a generic device is from the US-A-5151075 known.
- Such devices are used to continuously or cyclically feed blanks from a magazine to a folding box gluer, and are referred to as inserts.
- the inserter is of great importance to the entire paperboard gluing process, because the accuracy of the blotter feeder directly affects the quality of the folding of the blanks.
- the feeder belts are mounted on belt guides, which can be moved parallel to the transport direction for format adjustments.
- belt guides typically, three to four of these belt guides with corresponding feed belts are arranged symmetrically to the center of the transport direction, but depending on the format of the Faltschachtelklebemaschine may also be a different number of intake belt and belt guides.
- the blanks of solid board or corrugated board are fed as a stack to the inserter and individually withdrawn from the bottom of the stack by frictional contact with the feed belt.
- the draw-in belts typically have a tension layer and an elastomer support, usually a natural rubber which has a high coefficient of friction.
- a high coefficient of friction is of particular importance, since the blank must be accelerated to the throughput speed of the machine in a very short time solely by friction with the intake belt in a very short time.
- This throughput speed of folder gluers is up to 650 m / min.
- the resulting slip-in slip is decisive for the size of the distances of the drawn-in blanks, and thus ultimately for the productivity of Faltschachtelklebemaschine itself.
- the belt guide comprises rollers about which the intake belt is tensioned, and wherein the rollers are arranged on the belt guide such that the surface surrounding the belt interior is not pierced by any traverse.
- the rollers which dictate the shape of the surface bordered by the feeder belt, are tension rollers, pulleys and support rollers.
- the rollers are cantilevered. This allows a particularly simple removal of the feed belt from the belt guide. If the belt guide then has two side walls, which are arranged on both sides of the feed belt, serves as a support for the axes of the individual Rollers, whereas the second side wall serves only as a fender, which can be easily removed to replace the feeder belt.
- all the intake belts of the device have a common drive, which drives the individual intake belts via a drive shaft which extends parallel to the at least one traverse, and wherein the drive shaft also does not pierce the surface surrounding the belt interior.
- the drive shaft is no longer an obstacle to a quick belt change. A coupling between the belt guide and the drive is eliminated.
- a drive pulley is disposed on the drive shaft, wherein the drive pulley transmits, by means of a transmission, the drive to one of the pulleys disposed within the pulley enclosed surface to drive the pulley belt.
- this roller is the front deflection roller.
- the drive disc has a larger diameter than the rollers of the belt guide. This reduces the speed level of the drive shaft, which is gentle on the drive, compared to the devices of the prior art.
- the feed belt is a toothed belt or a flat belt.
- the flat belt has the advantage over the timing belt that it is usually better than a Timing belt can be guided.
- the roller or the drive pulley, which is in contact with the flat belt is crowned.
- the belt guide comprises an eccentrically mounted pinch roller, by means of which the belt tension is adjustable.
- the device has at least two of the above belt guides, wherein the structure of the at least two belt guides is substantially mirror-symmetrical to the transport direction, in particular the drive wheels are each arranged on the side facing away from the center line of the device.
- the drives build wider by a laterally arranged on the belt guide gearbox. If these lateral gearboxes are placed correspondingly on the side facing away from the center line of the device, a sufficiently narrow distance between the two innermost belt guides can be achieved in order to ensure a safe feed even for small-sized blanks.
- a typical feeder 10 is shown for a downstream, not shown Faltklekleelkleevevoriques, as in the prior art.
- a stack of blanks not shown, generally of solid board or corrugated cardboard, is disposed between the side walls 12, 15 of the insert.
- the stack abuts the positioning tongues 16 provided in a plurality.
- these positioning tongues are adjusted so that only one individual blank can be removed from the stack.
- the blanks are withdrawn from draw-in belts 35 from the bottom of the stack and accelerated to the processing speed in the folder gluer in a very short time. This processing speed is up to 650 m / min for typical folder gluers.
- a plurality of draw-in belts 35 are arranged across the width of the insert (in Fig. 1 only a feeder belt 35 are shown) and are each guided on a belt guide 30.
- the belt guides 30 are mounted on a crossmember 14 laterally displaceable for format adaptation.
- the drive shaft 24, which drives all draw-in belt 35 also passes through the belt guide 30 and has a floating bearing.
- the drive 20 of the collection belt 35, as in Fig. 2 shown coupled via a drive belt 22 to the drive shaft 24.
- Fig. 3 is a belt guide from the prior art as in Fig. 1 and 2 shown enlarged.
- the drive shaft 24 drives a drive pulley 37, around which the intake belt 35 is guided.
- the collection belt 35 is tensioned by a tension roller 36.
- the cross member 14 and the drive shaft 24 runs.
- Fig. 4 a known first embodiment of a device is shown in which the replacement of a feed belt 135 is significantly facilitated in a Faltschachtelklebemaschine.
- the same or comparable parts with the same reference numerals as in the embodiment of the prior art were used, increased by 100.
- the drive shaft 24 now drives a drive pulley 124.
- the drive pulley 124 is disposed outside of the feed belt 135 and is in contact with the outside of the feed belt 135.
- the draw-in belt 135 is adhesively bonded to a toothed belt which is milled out in the middle such that a toothed region remains on both sides of the draw-in belt 135, into which the drive disk 124 can engage. Accordingly, the drive pulley 124 is rotated centrally, to pass through the feed belt 135 without contact.
- Support rollers 132, 133 support the intake belt 135 and serve by the collection belt 135 as a support for the blanks stacked above.
- the collection belt 135 is stretched on the one hand by a tension roller 136.
- this belt guide 130 has a Constricting roller 138, which directs the intake belt 135 against the drive pulley 124 so that a larger wrap of the drive pulley 124 is achieved.
- the Einschnürrolle 138 is mounted eccentrically, so that by rotating the storage of the Einschnürrolle 138 influence on the tension in the intake belt 135 can be taken.
- the cross member 14 passes through recesses 142 of the side wall 131 of the belt guide 130.
- the belt guide 130 is mounted on the cross member 14 such that a displacement along the traverse 14 parallel to the transport direction of the blanks is possible, such as setting the belt guide 130 to different blank formats.
- the rollers 132, 133, 136, 137 is stretched around the intake belt 135, the collection belt 135 now so that neither the drive shaft 24 nor the crossbar 14 pierce the surface which is enclosed by the intake belt 135.
- the axles 134 of the rollers 132, 133, 136, 137 of the belt guide 130 are cantilevered in the one side wall 131 of the belt guide 130.
- the other wall 143 is merely formed as an apron 143, as in Fig. 5 shown.
- a second embodiment of a device according to the invention is shown in which the replacement of a feed belt 235 in a folding box gluing machine is also significantly facilitated.
- the same or comparable parts with the same reference numerals as in the embodiment of the prior art were used, enlarged by 200.
- the drive shaft 24 now drives a drive pulley 224, which is mounted in a bearing 225 in the side wall 231 of the belt guide 230.
- the drive pulley 224 is disposed outside the intake belt 235 and is coupled to a transfer belt 226 with a transfer roller 227.
- the transfer roller 227 is co-axial with the front guide roller 237 of the belt guide 230 through which the take-up belt 235 is driven. As a result, the draw-in belt 235 also does not wrap around the elongate drive shaft 24.
- Support rollers 232, 233 support the intake belt 235 and serve by the collection belt 235 as a support for the blanks stacked above.
- the draw-in belt 235 is tensioned by a tensioning roller 236.
- the cross member 14 passes through recesses 242 of the side wall 231 of the belt guide 230.
- the belt guide 230 is mounted on the cross member 14 such that a displacement along the traverse 14 parallel to the transport direction of the blanks is possible, such as setting the belt guide 230 to different blank formats.
- the rollers 232, 233, 236, 237 around which the draw-in belt 235 is stretched guide the draw-in belt 235 so that neither the drive shaft 24 nor the cross-member 14 pierces the surface which is enclosed by the draw-in belt 235.
- the axles 234 of the rollers 232, 233, 236, 237 of the belt guide 230 are cantilevered in the one side wall 231 of the belt guide 230.
- the other wall is also formed only as an apron.
- a lateral removal of the feed belt 235 is now done by the tension on the feed belt 235 is reduced by loosening the tension roller 236 so that the feed belt 235 easily removed laterally from the belt guide 230 and removed from the insert 10 and replaced by a new feed belt 235 can be made without further adjustment of other belt guides 230 or other components of the insert 10 is required.
- both embodiments of the belt guides 130, 230 are wider than the belt guide 30 of the prior art. This is particularly striking in the second embodiment of the belt guide 230 according to the invention, with the laterally arranged drive pulleys 224, transmission belt 226 and transfer roller 227.
- the belt guides 130, 230 are mirror-symmetrical to the center line of the transport direction of the blanks, such that the broadening of the belt guides 130, 230 respectively on the side facing away from the other belt guide 130, 230 side of the respective belt guide 130, 230 are arranged.
- this is not so relevant, since they typically have a greater distance from each other anyway.
- an inserter could therefore have four right-side and four left-side belt guides 130, 230.
- flat belts may be used as draw-in belts 135, 235.
- the drive pulley 124 and the driving front pulley 237 are spherical perform.
- a flat belt has the advantage over a toothed belt that it is easier to guide than a toothed belt.
- the invention has been described in particular in connection with a folding box gluing machine, but could also be used in other sheet processing devices, in the area of the feeder, jib or in the bowing in general, especially where multiple belts have a common drive, transmitted via a common drive shaft and where due to wear a frequent change of the belt does not fail.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Description
Die Erfindung betrifft eine Vorrichtung zum Zuführen von Zuschnitten zu einer Faltschachtelklebemaschine gemäß dem Oberbegriff von Anspruch 1.The invention relates to a device for feeding blanks to a folding box gluing machine according to the preamble of claim 1.
Eine gattungsbildende Vorrichtung ist aus der
Derartige Vorrichtungen werden eingesetzt, um einer Faltschachtelklebemaschine aus einem Magazin kontinuierlich oder getaktet Zuschnitte zuzuführen, und werden als Einleger bezeichnet. Der Einleger ist für den gesamten Verarbeitungsprozess des Faltschachtelklebens von großer Bedeutung, weil die Genauigkeit des Zuschnitteinzugs unmittelbar die Güte der Faltung der Zuschnitte beeinflusst.Such devices are used to continuously or cyclically feed blanks from a magazine to a folding box gluer, and are referred to as inserts. The inserter is of great importance to the entire paperboard gluing process, because the accuracy of the blotter feeder directly affects the quality of the folding of the blanks.
Die Einzugsriemen sind dabei auf Riemenführungen gelagert, die zwecks Formateinstellungen parallel zur Transportrichtung bewegt werden können. Typischerweise sind symmetrisch zur Mitte der Transportrichtung jeweils drei bis vier dieser Riemenführungen mit entsprechenden Einzugsriemen angeordnet, es kann sich aber je nach Format der Faltschachtelklebemaschine auch um eine davon abweichende Zahl von Einzugsriemen und Riemenführungen handeln.The feeder belts are mounted on belt guides, which can be moved parallel to the transport direction for format adjustments. Typically, three to four of these belt guides with corresponding feed belts are arranged symmetrically to the center of the transport direction, but depending on the format of the Faltschachtelklebemaschine may also be a different number of intake belt and belt guides.
Die Zuschnitte aus Vollkarton oder Wellpappe werden als Stapel dem Einleger zugeführt und einzeln von der Unterseite des Stapels durch Reibkontakt mit den Einzugsriemen abgezogen. Dabei weisen die Einzugsriemen typischerweise eine Zugschicht und einer Elastomer-Auflage auf, meistens ein Naturkautschuk, der einen hohen Reibwert aufweist. Ein hoher Reibwert ist von besonderer Wichtigkeit, da der Zuschnitt allein durch Friktion mit dem Einzugsriemen in sehr kurzer Zeit auf die Durchlaufgeschwindigkeit der Maschine beschleunigt werden muss. Diese Durchlaufgeschwindigkeit von Faltschachtelklebemaschinen liegt bei bis zu 650 m/min. Der hierbei entstehende Einzugsschlupf ist maßgebend für die Größe der Abstände der eingezogenen Zuschnitte, und damit letztendlich für die Produktivität der Faltschachtelklebemaschine selbst. Da sich der Einzugsriemen aufgrund der hohen Belastung schnell abnützt oder durch Druckfarbenübertragung und Papierstaub verschmutzt, vergrößert sich entsprechend der Abstand der eingezogenen Zuschnitte über den Produktionszeitraum ständig, so dass die Produktivität der Faltschachtelklebemaschine ständig abnimmt. Diese Effekte führen dazu, dass im Hochleistungsbetrieb ein typischer Einzugsriemen aus dem Stand der Technik lediglich eine Standzeit von ca. vier Monaten erreicht.The blanks of solid board or corrugated board are fed as a stack to the inserter and individually withdrawn from the bottom of the stack by frictional contact with the feed belt. The draw-in belts typically have a tension layer and an elastomer support, usually a natural rubber which has a high coefficient of friction. A high coefficient of friction is of particular importance, since the blank must be accelerated to the throughput speed of the machine in a very short time solely by friction with the intake belt in a very short time. This throughput speed of folder gluers is up to 650 m / min. The resulting slip-in slip is decisive for the size of the distances of the drawn-in blanks, and thus ultimately for the productivity of Faltschachtelklebemaschine itself. Since the feeder belt due to the high load quickly worn or dirty by ink transfer and paper dust, increases accordingly the distance of the drawn blanks Over the production period, so that the productivity of the folder gluer steadily decreases. These effects mean that in the high-performance operation, a typical collection belt from the prior art only reaches a service life of about four months.
Nach dieser Periode muss der Einzugsriemen zwangsläufig gewechselt werden. Nun gestaltet sich aber der Wechsel des Einzugsriemens als eine ausgesprochen zeitintensive Angelegenheit, da in den Faltschachtelklebemaschine des Standes der Technik der Einzugsriemen nur schwer zugänglich ist und typischerweise nur mit der Riemenführung ausgebaut werden kann. Auch ist es umständlich, einen innenliegenden Einzugsriemen zu wechseln, da gegebenenfalls die weiter außen liegenden Riemen zunächst entfernt werden müssen.After this period, the feeder belt must be changed inevitably. Now, however, the change of the feed belt designed as a very time-consuming affair, since in the folding carton gluing machine of the prior art, the feed belt is difficult to access and typically can only be removed with the belt guide. Also, it is cumbersome to change an internal feed belt, as possibly the outer belt must be removed first.
Es besteht daher die Aufgabe der Erfindung den Riemenwechsel in einer Faltschachtelklebemaschine im Einleger zu verbessern. Diese Aufgabe wird mit Hilfe der erfindungsgemäßen Vorrichtung zum Zuführen von Zuschnitten zu einer Faltschachtelklebemaschine mit den im Anspruch 1 genannten Merkmalen gelöst. Weitere Merkmale ergeben sich aus den Unteransprüchen.It is therefore an object of the invention to improve the belt change in a Faltschachtelklebemaschine in the insert. This object is achieved by means of the device according to the invention for feeding blanks to a folding box gluing machine with the features mentioned in claim 1. Further features emerge from the subclaims.
Dementsprechend weist die Riemenführung Rollen auf, um die der Einzugsriemen gespannt ist, und wobei die Rollen derart auf der Riemenführung angeordnet sind, dass die Fläche, die das Riemeninnere umschließt von keiner Traverse durchstoßen wird. Muss nun der Einzugsriemen ausgewechselt oder gereinigt werden, kann der Riemen erheblich leichter aus dem Einleger ausgebaut werden, da nicht zuerst eine Traverse entfernt werden muss, die den Riemen sonst einschließt. Dadurch kann die Betriebszeit und damit die Produktivität der nachfolgenden Faltschachtelklebemaschine verbessert werden. Außerdem ist es möglich, einen einzelnen Einzugsriemen auszutauschen, ohne die anderen Riemenführungen des Einlegers beachten zu müssen. Dies ist besonders günstig bei innenliegenden Einzugsriemen, die ohnehin häufiger ausgewechselt werden müssen, da hier der Verschleiß am größten ist. Dies liegt daran, dass die inneren Einzugsriemen für alle bearbeiteten Formate verwendet werden, wohingegen die äußeren Einzugsriemen nur bei entsprechend großformatigen Zuschnitten zum Einsatz kommen. Bei den Rollen, die die Form der Fläche vorgeben, die von dem Einzugsriemen umrandet wird, handelt es sich um Spannrollen, Umlenkrollen und Stützrollen.Accordingly, the belt guide comprises rollers about which the intake belt is tensioned, and wherein the rollers are arranged on the belt guide such that the surface surrounding the belt interior is not pierced by any traverse. Now, if the feeder belt needs to be replaced or cleaned, the belt can be removed much more easily from the feeder, since it is not first necessary to remove a crossbar which otherwise encloses the belt. Thereby, the operating time and thus the productivity of the subsequent Faltschachtelklebemaschine be improved. In addition, it is possible to replace a single feed belt without having to pay attention to the other belt guides of the insert. This is particularly favorable for internal feed belts, which must be replaced more frequently anyway, since the wear is greatest here. This is because the inner feed belts are used for all processed formats, whereas the outer feed belts are only used with correspondingly large-sized blanks. The rollers, which dictate the shape of the surface bordered by the feeder belt, are tension rollers, pulleys and support rollers.
In einer vorteilhaften Ausgestaltung der erfinderischen Vorrichtung sind die Rollen fliegend gelagert. Dies ermöglicht ein besonders einfachen Ausbau des Einzugsriemens aus der Riemenführung. Wenn die Riemenführung dann zwei Seitenwänden aufweist, die beidseitig des Einzugsriemens angeordnet sind, dient eine als Halterung der Achsen der einzelnen Rollen, wohingegen die zweite Seitenwand lediglich als Schutzblech dient, das leicht entfernt werden kann, um den Einzugsriemen auszutauschen.In an advantageous embodiment of the inventive device, the rollers are cantilevered. This allows a particularly simple removal of the feed belt from the belt guide. If the belt guide then has two side walls, which are arranged on both sides of the feed belt, serves as a support for the axes of the individual Rollers, whereas the second side wall serves only as a fender, which can be easily removed to replace the feeder belt.
Bei der erfinderischen Vorrichtung weisen alle Einzugsriemen der Vorrichtung einen gemeinsamen Antrieb auf, der über eine Antriebswelle, die sich parallel zu der wenigstens einen Traverse erstreckt, die einzelnen Einzugsriemen antreibt, und wobei die Antriebswelle ebenfalls die Fläche, die das Riemeninnere umschließt, nicht durchstößt. Damit ist auch die Antriebswelle kein Hindernis mehr für einen schnellen Riemenwechsel. Eine Kupplung zwischen der Riemenführung und dem Antrieb entfällt damit.In the inventive device, all the intake belts of the device have a common drive, which drives the individual intake belts via a drive shaft which extends parallel to the at least one traverse, and wherein the drive shaft also does not pierce the surface surrounding the belt interior. Thus, the drive shaft is no longer an obstacle to a quick belt change. A coupling between the belt guide and the drive is eliminated.
Ferner ist bei der erfinderischen Vorrichtung eine Antriebsscheibe an der Antriebswelle angeordnet, wobei die Antriebsscheibe vermittels eines Getriebes den Antrieb auf eine der Rollen, die innerhalb der vom Einzugsriemen umschlossenen Fläche angeordnet ist überträgt, um den Einzugsriemen anzutreiben. Vorteilhafterweise handelt es sich bei dieser Rolle um die vordere Umlenkrolle.Further, in the inventive apparatus, a drive pulley is disposed on the drive shaft, wherein the drive pulley transmits, by means of a transmission, the drive to one of the pulleys disposed within the pulley enclosed surface to drive the pulley belt. Advantageously, this roller is the front deflection roller.
In einer weiteren vorteilhaften Ausführungsform der erfinderischen Vorrichtung weist die Antriebsscheibe einen größeren Durchmesser auf als die Rollen der Riemenführung. Dadurch sinkt das Drehzahl-Niveau der Antriebswelle, was sich schonend auf den Antrieb auswirkt, im Vergleich zu den Vorrichtungen aus dem Stand der Technik.In a further advantageous embodiment of the inventive device, the drive disc has a larger diameter than the rollers of the belt guide. This reduces the speed level of the drive shaft, which is gentle on the drive, compared to the devices of the prior art.
In einer weiteren vorteilhaften Ausführungsform der erfinderischen Vorrichtung handelt es sich bei dem Einzugsriemen um einen Zahnriemen oder einen Flachriemen. Der Flachriemen hat dabei gegenüber dem Zahnriemen den Vorteil, dass er in der Regel besser als ein Zahnriemen geführt werden kann. Im Fall eines Flachriemens ist die Rolle oder die Antriebsscheibe, die mit dem Flachriemen in Kontakt steht, ballig ausgeformt.In a further advantageous embodiment of the inventive device, the feed belt is a toothed belt or a flat belt. The flat belt has the advantage over the timing belt that it is usually better than a Timing belt can be guided. In the case of a flat belt, the roller or the drive pulley, which is in contact with the flat belt, is crowned.
In einer weiteren vorteilhaften Ausführungsform der erfinderischen Vorrichtung umfasst die Riemenführung eine exzentrisch gelagerte Einschnürrolle, vermittels der die Riemenspannung einstellbar ist. Durch Lösen dieser Einschnürrolle verliert vorteilhafterweise der Einzugsriemen so viel seiner Spannung, dass er mühelos von den Rollen gelöst werden kann und entsprechend einfach ausgetauscht werden kann. Die exzentrische Lagerung erlaubt eine einfache und gleichzeitig präzise Möglichkeit, die Spannung im Einzugsriemen ein zustellen.In a further advantageous embodiment of the inventive device, the belt guide comprises an eccentrically mounted pinch roller, by means of which the belt tension is adjustable. By loosening this Einschnürrolle advantageously the collection belt loses so much of its tension that it can be easily solved by the rollers and can be easily replaced accordingly. The eccentric bearing allows a simple yet precise way to adjust the tension in the feeder belt.
In einer weiteren vorteilhaften Ausführungsform der erfinderischen Vorrichtung weist die Vorrichtung wenigstens zwei der vorstehenden Riemenführungen auf, wobei der Aufbau der wenigstens zwei Riemenführungen im Wesentlichen spiegelsymmetrisch zur Transportrichtung ist, insbesondere die Antriebsräder jeweils auf der von der Mittellinie der Vorrichtung abgewandten Seite angeordnet sind. Dies ist insofern relevant, als die Antriebe durch einen seitlich an der Riemenführung angeordnetes Getriebe breiter bauen. Werden diese seitlichen Getriebe entsprechend auf die von der Mittellinie der Vorrichtung abgewandten Seite platziert, kann ein ausreichend enger Abstand zwischen den beiden innersten Riemenführungen erreicht werden, um auch für kleinstformatige Zuschnitte einen sicheren Einzug zu gewährleisten.In a further advantageous embodiment of the inventive device, the device has at least two of the above belt guides, wherein the structure of the at least two belt guides is substantially mirror-symmetrical to the transport direction, in particular the drive wheels are each arranged on the side facing away from the center line of the device. This is relevant insofar as the drives build wider by a laterally arranged on the belt guide gearbox. If these lateral gearboxes are placed correspondingly on the side facing away from the center line of the device, a sufficiently narrow distance between the two innermost belt guides can be achieved in order to ensure a safe feed even for small-sized blanks.
Bevorzugte Ausführungsformen der erfindungsgemäßen Vorrichtung werden im Folgenden unter Bezugnahme auf die Zeichnung im Einzelnen näher beschrieben. Es zeigen in schematischer Darstellung:
- Fig. 1
- eine perspektivische Ansicht eines Einlegers aus dem Stand der Technik,
- Fig. 2
- eine Seitenansicht eines Einlegers aus dem Stand der Technik,
- Fig. 3
- eine Seitenansicht einer Riemenführung eines Einlegers aus dem Stand der Technik,
- Fig. 4
- ein seitlicher Schnitt durch eine bekannte erste Ausführungsform der Riemenführung eines Einlegers,
- Fig. 5
- ein isometrische Ansicht der bekannten ersten Ausführungsform der Riemenführung eines Einlegers,
- Fig. 6
- ein isometrische Ansicht einer erfindungsgemäßen zweiten Ausführungsform der Riemenführung eines Einlegers,
- Fig. 7
- ein Seitenansicht den erfindungsgemäßen zweiten Ausführungsform der Riemenführung eines Einlegers,
- Fig. 1
- a perspective view of a depositor from the prior art,
- Fig. 2
- a side view of a depositor from the prior art,
- Fig. 3
- a side view of a belt guide of a depositor from the prior art,
- Fig. 4
- a side section through a known first embodiment of the belt guide of an insert,
- Fig. 5
- an isometric view of the known first embodiment of the belt guide of an insert,
- Fig. 6
- an isometric view of a second embodiment of the invention, the belt guide of an insert,
- Fig. 7
- a side view of the second embodiment of the belt guide of an insert according to the invention,
In
Eine Mehrzahl von Einzugsriemen 35 ist über die Breite des Einlegers angeordnet (in
In
Bei einem Austausch des Einzugsriemens 35 mit dieser Riemenführung 30 des Standes der Technik ist jedenfalls die Traverse 14 und die Antriebswelle 24 im Weg. Dies gilt insbesondere für die Riemenführungen 30, die weiter innen angeordnet sind, da auch die äußeren Riemenführungen 30 zunächst entfernt werden müssten, um an die innenliegendere Riemenführung 30 zu gelangen, um den Einzugsriemen 35 austauschen zu können. Allerdings ist die Standzeit eines solchen Einzugsriemens aufgrund der oben beschriebenen hohen Beschleunigungen der Zuschnitte ziemlich gering, besonders im inneren Bereich, die bei jedem Format der Zuschnitte verwendet werden.When replacing the
In
Die Antriebswelle 24 treibt nun eine Antriebsscheibe 124 an. Die Antriebsscheibe 124 ist außerhalb des Einzugsriemens 135 angeordnet und steht mit der Außenseite des Einzugsriemens 135 in Kontakt. Der Einzugsriemen 135 ist hier in einer Ausführungsform auf einen Zahnriemen aufgeklebt, der mittig ausgefräst ist so dass beidseitig von dem Einzugsriemen 135 ein Verzahnungsbereich bleibt, in den die Antriebsscheibe 124 eingreifen kann. Entsprechend ist die Antriebsscheibe 124 mittig freigedreht, um den Einzugsriemen 135 berührungsfrei durchzulassen.The
Stützrollen 132, 133 stützen den Einzugsriemen 135 und dienen durch den Einzugsriemen 135 als Unterlage für die darüber gestapelten Zuschnitte. Der Einzugsriemen 135 ist einerseits durch eine Spannrolle 136 gespannt. Zudem weist diese Riemenführung 130 eine Einschnürrolle 138 auf, die den Einzugsriemen 135 so gegen die Antriebsscheibe 124 lenkt, so dass eine größere Umschlingung der Antriebsscheibe 124 erzielt wird. Die Einschnürrolle 138 ist exzentrisch gelagert, so dass durch Verdrehen der Lagerung der Einschnürrolle 138 Einfluss auf die Spannung im Einzugsriemen 135 genommen werden kann. Die Traverse 14 läuft durch Aussparungen 142 der Seitenwand 131 der Riemenführung 130. Die Riemenführung 130 ist auf der Traverse 14 derartig gelagert, dass eine Verschiebung entlang der Traverse 14 parallel zur Transportrichtung der Zuschnitte möglich ist, etwa zur Einstellung der Riemenführung 130 auf unterschiedliche Zuschnittsformate. Die Rollen 132, 133, 136, 137 um die der Einzugsriemen 135 gespannt ist, führen den Einzugsriemen 135 nun so, dass weder die Antriebswelle 24 noch die Traverse 14 die Fläche durchstoßen, die von dem Einzugsriemen 135 umschlossen wird. Die Achsen 134 der Rollen 132, 133, 136, 137 der Riemenführung 130 sind fliegend in der einen Seitenwand 131 der Riemenführung 130 gelagert. Die andere Wand 143 ist lediglich als Schutzblech 143 ausgebildet, wie in
In
Die Antriebswelle 24 treibt nun eine Antriebsscheibe 224 an, die in einem Lager 225 in der Seitenwand 231 der Riemenführung 230 gelagert ist. Die Antriebsscheibe 224 ist außerhalb des Einzugsriemens 235 angeordnet und ist mit einem Übertragungsriemen 226 mit einer Übertragungsrolle 227 gekoppelt. Die Übertragungsrolle 227 ist achsgleich mit der vorderen Umlenkrolle 237 der Riemenführung 230, über die der Einzugsriemen 235 angetrieben wird. Dadurch umschlingt der Einzugsriemen 235 ebenfalls nicht die langgestreckte Antriebswelle 24.The
Stützrollen 232, 233 stützen den Einzugsriemen 235 und dienen durch den Einzugsriemen 235 als Unterlage für die darüber gestapelten Zuschnitte. Der Einzugsriemen 235 ist durch eine Spannrolle 236 gespannt. Die Traverse 14 läuft durch Aussparungen 242 der Seitenwand 231 der Riemenführung 230. Die Riemenführung 230 ist auf der Traverse 14 derartig gelagert, dass eine Verschiebung entlang der Traverse 14 parallel zur Transportrichtung der Zuschnitte möglich ist, etwa zur Einstellung der Riemenführung 230 auf unterschiedliche Zuschnittsformate. Die Rollen 232, 233, 236, 237 um die der Einzugsriemen 235 gespannt ist, führen den Einzugsriemen 235 nun so, dass weder die Antriebswelle 24 noch die Traverse 14 die Fläche durchstoßen, die von dem Einzugsriemen 235 umschlossen wird. Die Achsen 234 der Rollen 232, 233, 236, 237 der Riemenführung 230 sind fliegend in der einen Seitenwand 231 der Riemenführung 230 gelagert. Die andere Wand ist ebenfalls lediglich als Schutzblech ausgebildet. Ein seitliches Herausnehmen des Einzugsriemens 235 erfolgt nun, indem die Spannung auf den Einzugsriemen 235 durch Lösen der Spannrolle 236 so weit verringert wird, dass der Einzugsriemen 235 mühelos seitlich von der Riemenführung 230 abgenommen und aus dem Einleger 10 entfernt und durch einen neuen Einzugsriemen 235 ausgetauscht werden kann, ohne dass eine weitere Verstellung anderer Riemenführungen 230 oder anderer Komponenten des Einlegers 10 erforderlich ist.
Beide Ausführungsformen der Riemenführungen 130, 230 bauen breiter als die Riemenführung 30 aus dem Stand der Technik. Dies ist besonders bei der erfindungsgemäßen zweiten Ausführungsform der Riemenführung 230 markant, mit dem seitlich angeordneten Antriebsscheiben 224, Übertragungsriemen 226 und Übertragungsrolle 227. Um dennoch gewährleisten zu können, dass für kleinstformatige Zuschnitte die Einzugsriemen 135, 235 möglichst dicht zueinander entlang der Traverse 14 angeordnet werden können, sind die Riemenführungen 130, 230 spiegelsymmetrisch zur Mittellinie der Transportrichtung der Zuschnitte ausgestaltet, derart, dass die Verbreiterung der Riemenführungen 130, 230 jeweils auf der zu der anderen Riemenführung 130, 230 abgewandten Seite der jeweiligen Riemenführung 130, 230 angeordnet sind. Für weiter außen liegende Riemenführungen 130, 230 ist dies nicht so relevant, da diese ohnehin typischerweise einen größeren Abstand zueinander aufweisen. Beispielsweise könnte ein Einleger also vier rechtsseitige und vier linksseitige Riemenführungen 130, 230 aufweisen.Both embodiments of the belt guides 130, 230 are wider than the
In beiden Ausführungsformen der Riemenführungen 130, 230 können anstelle der Zahnriemen Flachriemen als Einzugsriemen 135, 235 verwendet werden. In diesem Fall sind die Antriebsscheibe 124 bzw. die antreibende vordere Umlenkrolle 237 ballig auszuführen. Ein Flachriemen hat im Vergleich zu einem Zahnriemen den Vorteil, dass er sich leichter führen lässt als ein Zahnriemen.In both embodiments of the belt guides 130, 230, instead of the toothed belt, flat belts may be used as draw-in
Die Erfindung wurde insbesondere im Zusammenhang mit einer Faltschachtelklebemaschine beschrieben, könnte aber auch in anderen bogenverarbeitenden Vorrichtungen eingesetzt werden, im Bereich des Anlegers, Auslegers oder bei der Bogenführung allgemein, insbesondere dort, wo mehrere Riemen einen gemeinsamen Antrieb aufweisen, der über eine gemeinsame Antriebswelle übertragen wird, und wo auf Grund von Verschleiß ein häufiger Wechsel der Riemen nicht ausbleibt.
Claims (5)
- Device for feeding blanks to a folder-gluer for folded boxes including at least one belt guide (30, 130, 230), wherein the belt guide (30, 130, 230) is arranged on a traverse (14) in a manner slidable lateral to the transport direction and with a circulating feeder belt (35, 135, 235) for transporting blanks off a stack,
wherein the belt guide (130, 230) includes rollers (132, 133, 136, 137, 232, 233, 236, 237) over which the feeder belt (135, 235) is guided and wherein the rollers (132, 133, 136, 137, 232, 233, 236, 237) are arranged on the belt guide (130, 230) in such a way that the surface encompassed by the inner part of the belt is not crossed by a traverse (14), wherein a common drive (20) is provided for all of the feeder belts (135, 235) of the device for driving the individual feeder belt (135, 235) via a drive shaft (24) extending in a direction parallel to the at least one traverse (14) and wherein the drive shaft (24) does not cross the surface encompassed by the inner part of the belt, either,
characterised in that
a driving disk (224) is arranged on the drive shaft, wherein the driving disk (224) transmits the drive (20) by means of a gearing (226, 227) onto at least one of the rollers (132, 133, 136, 137, 232, 233, 236, 237) arranged within the surface encompassed by the feeder belts (135, 235) in order to drive the feeder belt (135, 235). - Device according to claim 1,
characterised in that
the drive disk (124, 224) has a diameter larger than the rollers (132, 133, 136, 137, 232, 233, 236, 237) of the belt guide (130, 230). - Device according to claim 1 or 2,
characterised in that
the feeder belt (135, 235) is a toothed belt or a flat belt. - Device according to one of claims 1 to 3,
characterised in that
the belt guide (130, 230) includes an excentrically supported deflection roller (138) by means of which the belt tension can be adjusted. - Device according to one of claims 1 to 4,
characterised in that
the device (10) includes at least two belt guides (130, 230), wherein the configuration of the at least two belt guides (130, 230) is essentially mirror-symmetrical with regard to the transport direction, in particular the drive wheels (124, 224) are arranged on the sides remote of the centre line of the device (10), respectively.
Applications Claiming Priority (2)
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DE102004021332 | 2004-04-30 | ||
DE102004021332 | 2004-04-30 |
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EP1591230A1 EP1591230A1 (en) | 2005-11-02 |
EP1591230B1 true EP1591230B1 (en) | 2016-10-19 |
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Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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ES2462591T3 (en) | 2010-08-31 | 2014-05-26 | Heidelberger Druckmaschinen Ag | Portable device |
EP2422969B1 (en) | 2010-08-31 | 2013-09-11 | Heidelberger Druckmaschinen AG | Folding box gluing machine |
CN104608422B (en) * | 2015-01-23 | 2017-07-21 | 于永强 | A kind of packing board cutter device |
DE102016110944A1 (en) * | 2016-06-15 | 2017-12-21 | Khs Gmbh | Device and method for stacking and separating flat material |
CN107380911B (en) * | 2017-08-18 | 2023-06-06 | 上海晓奥汽车销售有限公司 | Self-adaptive automobile edge-covering conveying system and control method thereof |
DE102017222316A1 (en) * | 2017-12-08 | 2019-06-13 | Koenig & Bauer Ag | Substrate supply means |
DE102017222315B4 (en) * | 2017-12-08 | 2020-11-05 | Koenig & Bauer Ag | Substrate feeding device |
CN110844657A (en) * | 2019-11-19 | 2020-02-28 | 徐政贤 | Width-adjustable cloth guiding and conveying device |
Family Cites Families (6)
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DE1202628B (en) * | 1962-05-01 | 1965-10-07 | Bobst & Sohn A G J | Device for conveying blanks in a folder gluer |
DE2946426C2 (en) * | 1979-11-16 | 1984-05-03 | Jagenberg-Werke AG, 4000 Düsseldorf | Device for separating stacked cardboard blanks or the like. |
IT1235920B (en) * | 1989-11-07 | 1992-12-02 | Cestind Centro Studi Ind | Assembly line for making packets |
US5151075A (en) * | 1990-11-05 | 1992-09-29 | J & L Industries, Inc. | Carton folding apparatus |
DE19828819A1 (en) * | 1998-06-04 | 1999-12-09 | Jagenberg Diana Gmbh | Folding box gluing machine for the production of folding boxes from blanks |
WO2001021389A1 (en) * | 1999-09-23 | 2001-03-29 | J & L Development Inc. | Method and apparatus for two-piece box construction |
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