EP0200114B1 - Overlapping device - Google Patents

Overlapping device Download PDF

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Publication number
EP0200114B1
EP0200114B1 EP86105384A EP86105384A EP0200114B1 EP 0200114 B1 EP0200114 B1 EP 0200114B1 EP 86105384 A EP86105384 A EP 86105384A EP 86105384 A EP86105384 A EP 86105384A EP 0200114 B1 EP0200114 B1 EP 0200114B1
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EP
European Patent Office
Prior art keywords
delivery device
conveying
delivery
band
rib
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.)
Expired
Application number
EP86105384A
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German (de)
French (fr)
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EP0200114A1 (en
Inventor
Rudolf Herb
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Albert Frankenthal AG
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Albert Frankenthal AG
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Publication date
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Publication of EP0200114A1 publication Critical patent/EP0200114A1/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/66Advancing articles in overlapping streams
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/38Delivering or advancing articles from machines; Advancing articles to or into piles by movable piling or advancing arms, frames, plates, or like members with which the articles are maintained in face contact
    • B65H29/40Members rotated about an axis perpendicular to direction of article movement, e.g. star-wheels formed by S-shaped members

Definitions

  • the invention relates to a delivery device with at least one transport path that defines a transport plane that engages under a paddle wheel and that receives the products deposited on it by the paddle wheel, in particular in the form of a shingled stream.
  • At least one web is provided which is aligned in the delivery direction, is raised in relation to the transport plane on the transport plane, has a sloping in the delivery direction and enters the front end into the transport band-side transport plane.
  • the products leaving the paddle wheel initially come to rest on the narrow edge of the web on the impeller side, and in doing so practically receive a bend running in the direction of delivery, which stabilizes the products and ensures exact guidance of the products along the web running in the direction of delivery.
  • a so-called floating of the products i. H. a sliding of the products on an air cushion prevented, so that an exact positioning of the products is achieved not only transversely to the direction of delivery, but also in the direction of delivery.
  • a bridge arranged in the middle can be provided. This practically results in a strong central beading of the products and therefore, despite little effort, particularly precise positioning.
  • Another useful measure can be that the inclination of the top edge of the web is adjustable. This measure enables an exact adjustment of the position of the upper web edge to the respective product length or product thickness.
  • a particularly advantageous embodiment of the superordinate measures can consist in the fact that the central region of the web at least touches the outer circumference of the impeller, preferably engages in the outer circumference of the impeller. This measure ensures that the web is already in action while the products are still in the paddle wheel. The products are practically pressed against the web by the blades adjacent to the web, which ensures high accuracy both in the direction of delivery and transversely to it.
  • the web can be designed as an upper run of a preferably driven belt belt that is deflected from the rear to the front relative to the transport plane on the transport plane. This results in no or only negligibly small relative movements between the products and the upper run of the belt which forms the web, which ensures particularly gentle treatment of the products.
  • these measures enable a particularly simple and maintenance-friendly outlay, since no sliding coatings, etc. are required, and since, due to the lack of relative movement of the products relative to the web, low-wear operation is also guaranteed.
  • a further expedient measure can consist in that the belt belt is driven with a surface speed that is about 1% to 5% lower than the conveyor belt or the conveyor belts, which experience has shown can have a positive effect on the securing and exact positioning of the products.
  • the belt belt can be flanked by at least two conveyor belts, the conveyor belts and the belt belt being around a common front drive roller, preferably provided with a puncture assigned to the belt belt, is guided around and the belt belt is assigned a rear deflection roller which is independent of the rear deflection members assigned to the conveyor belts and whose diameter is larger than the diameter of the drive roller.
  • the delivery device on which the figures are based consists of conveyor belts 2 running in the delivery direction and passing a distance below a paddle wheel 1.
  • these are two comparatively wide flat conveyor belts arranged next to one another with a small mean distance which are arranged at least on the upper run side in a plane and whose surface facing the paddle wheel 1 accordingly defines a transport plane.
  • the conveyor belts 2 are unguided by front and rear deflection elements in the direction of delivery.
  • a deflecting roller 4 is provided which is continuous over the machine width and is coupled to a drive shaft 3.
  • deflection drums 6 which are freely rotatably mounted are provided on an axis 5 which is continuous over the width of both conveyor belts 2.
  • the effective diameter of the driven, front deflection roller 4 and the rear deflection drums 6 is approximately the same, so that the lower run of the conveyor belts runs parallel to the assigned upper run.
  • the front deflecting roller 4 is rotatably mounted on the frame side walls 7 via the drive shaft 3 and a bearing pin opposite this.
  • the axis 5 assigned to the rear deflection drums 6 engages with lateral flat pins in slots in lateral bearing straps 8 which are clamped onto a cross member 9 fastened to the frame side walls 7.
  • the distance of the transport plane defined by the conveyor belts 2 from the circumference of the paddle wheel can be adjusted by rotating the bearing straps 8 relative to the crossmember 9.
  • the flat pins of the axis 5 receiving the rear deflection drums 6 are supported by setscrews 10 on the bearing straps 8.
  • the axis 5 is supported not only on the lateral bearing brackets 8 but also on a central bearing bracket 8a, which is also clamped onto the crossbeam 9, in order to avoid excessive deflection.
  • a web 11 which is arranged in the center and extends in the direction of delivery, raised compared to the transport plane defined by the conveyor belts 2, the upper web edge of which falls from the rear in the delivery direction and runs into the transport plane at its front end , as Figure 1 clearly shows.
  • a web 11 arranged in the middle is provided.
  • the upper edge of the web 11 on the impeller side has a straight, linearly descending course.
  • the folded products to be deposited by the paddle wheel 1 onto the conveyor belts 2 in the form of a scale track are kinked or corrugated by the web 11 which is raised compared to the conveyor belts 2 and thus stabilized with regard to their position.
  • the decreasing height distance in the cantilever direction from the upper edge of the web 11 having the transport plane 2 defined by the transport belts 2 can run past the paddle wheel 1 at a short distance, in any case less than the transport belts 2, or can affect the paddle wheel 1.
  • the web 11 engages with its upper edge in the impeller, i. H. between two disks of the impeller 1 formed by blades, so that the products to be deposited by the impeller are pressed against the web 11.
  • the increasing backward height of the top edge of the web, i.e. H. the inclination with respect to the transport level can be adjusted so that gentle handling of the products can be achieved even when processing different products.
  • the web 11 can be designed as a fixed tongue provided with a sliding support, for example in the form of a sheet metal strip or pipe bracket.
  • the web 11 is formed by the upper run of a narrow, tensioned belt band 12 which runs from the rear to the front and is guided over two deflection members.
  • the belt band 12 can be designed as a narrow flat belt, as a V-belt or as a rope or the like. In any case, there is a web 11 with an elastically resilient upper edge, which can be very beneficial for the protection of the products.
  • the belt band 12 is designed as a circulating belt, so that relative movements between the products and the web forming the upper run of the belt band 12 are largely eliminated.
  • the belt band 12 forming the web 11 is provided with a positive drive, so that a continuous movement and thus a particularly nice operation can be guaranteed.
  • the belt belt 12 forming the web 11 is driven here with a surface speed lying about 1% to 5% below the surface speed of the conveyor belts 2, which experience has shown ensures that the products are positioned particularly precisely on the conveyor belts 2.
  • the belt belt 12 is in the illustrated embodiment in the area of the front, in the transport plane of the conveyor belts 2 cutting end around the continuous conveyor roller 4 assigned to the two conveyor belts 2, so that there is a clean entry of the web edge into the belt-side transport plane and an automatic Drive the belt band 12 forming the web 11 result.
  • the deflection roller 4 can simply be provided with an entry assigned to the belt band 12.
  • the belt band 12 is guided around a deflection roller 13 which is independent of the deflection drum 6 assigned to the conveyor belts 2 and whose diameter is so much larger than the diameter of the front deflection roller 4 and which is arranged such that the desired one is from behind forward sloping course of the upper run forming the web 11 of the belt band 12 results in that, at the same time, even in the case of a height adjustment of the deflection roller 13, collisions of the lower run of the belt band 12 with components that are continuous over the machine width, such as, for example, the traverse 9 or the axis 5, are avoided.
  • the deflection roller 13 has approximately twice the diameter of the front deflection roller 4 or the deflection drum 6.
  • the height arrangement of the deflection roller 13 is chosen such that, in a central position, both the upper run running from its circumference and that running up to its circumference
  • the lower run of the belt band 12 runs out from the plane of the upper or lower run of the conveyor belts 2 with increasing distance from the front to the rear, which allows the inclination of the upper run of the belt band 12 forming the web 11 to be freely adjusted.
  • the deflection roller 13 is arranged in the area behind the rear deflection drum 6 assigned to the conveyor belts 2, which results in good accessibility of the deflection roller 13 and thus a simple structure and a comparatively large web length.
  • the deflection roller 13 is freely rotatably mounted on an axis 14 parallel to the axis 5 receiving the rear deflection drum 6 of the conveyor belts 2 and is fastened on a holder 15 which can be pivoted about an axis parallel to the axis.
  • the holder 15 is designed as a lug-shaped swivel arm which is clamped onto a rod 16, the ends of which are rotatably mounted with their ends in extensions of the bearing brackets 8 which project beyond the axis 5 and can be pivoted by means of a clamped-on actuating arm 18 .
  • an adjusting spindle 20 is provided which is threadedly engaged with a pin 19 which is rotatably received on the swivel arm 18 and which can be actuated by means of a handwheel and which is supported on a bearing block 21 fastened to the adjacent holding bracket.
  • the rod 16 By rotating the adjusting spindle 20, the rod 16 can be pivoted and the axis 14 receiving the deflection roller 13 can be raised more or less.
  • the resultant change in the length of the belt band 12 lies in the elastic range of the band material.
  • the pitch of the thread of the threaded spindle 20 can be chosen so that self-locking is ensured. However, it would also be conceivable to provide a locking pin etc. assigned to the threaded spindle (20) to secure the set web position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Belt Conveyors (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Discharge By Other Means (AREA)

Description

Die Erfindung betrifft eine Auslegevorrichtung mit mindestens einem eine ein Schaufelrad untergreifende Transportebene definierenden Transportbahn, das die vom Schaufelrad insbesondere in Form eines Schuppenstroms auf ihm abgelegten Produkte aufnimmt.The invention relates to a delivery device with at least one transport path that defines a transport plane that engages under a paddle wheel and that receives the products deposited on it by the paddle wheel, in particular in the form of a shingled stream.

Bei den bekannten Vorrichtungen dieser Art werden die Produkte auf das unterhalb des Schaufelrads hindurchgeführte Transportband abgeworfen. Hierbei besteht die Gefahr, daß die Produkte unkontrolliert über das Transportband hinweggleiten, was durch das beim Abwerfen der Produkte unterhalb hiervon sich bildende Luftpolster noch erleichtert wird. Die Folge davon ist, daß die Produkte auf dem Transportband nicht die gewünschte Position einnehmen, sondern demgegenüber in Auslegerichtung und quer dazu verschoben sind. Die Ungenauigkeiten quer zur Auslegerichtung lassen sich zwar durch sogenannte Seitenstoßer nachträglich beseitigen. Aggregate dieser Art erfordern jedoch einen nicht unbeträchtlichen Aufwand. Die Ungenauigkeiten in Auslegerichtung, d. h. der Schuppenabstand, lassen sich nachträglich nicht mehr korrigieren. Ein exakter Schuppenabstand ist jedoch zur Erzielung eines störungsfreien Betriebs von mittels des Transportbands beaufschlagbarer Weiterverarbeitungsaggregaten vielfach erforderlich. Es . wurde daher auch schon versucht, durch Verwendung von bewegten Anschlägen einen exakten Schuppenabstand zu erreichen. Anordnungen dieser Art erfordern jedoch ebenfalls einen sehr hohen Aufwand. Ganz abgesehen davon kann es aber auch vorkommen, daß der mittels bewegter Anschläge erzielte Schuppenabstand nachträglich durch die Seitenstoßer wieder verändert wird.In the known devices of this type, the products are thrown onto the conveyor belt which is passed beneath the paddle wheel. There is a risk here that the products slide uncontrollably over the conveyor belt, which is further facilitated by the air cushion which forms below when the products are thrown off. The consequence of this is that the products on the conveyor belt do not assume the desired position, but are instead shifted in the direction of delivery and transversely to it. The inaccuracies transverse to the direction of delivery can be eliminated later by so-called side bumpers. However, units of this type require considerable effort. The inaccuracies in the direction of delivery, i.e. H. the scale spacing can no longer be corrected afterwards. However, an exact scale spacing is often required to achieve trouble-free operation of further processing units that can be loaded by means of the conveyor belt. It. Therefore, attempts have already been made to achieve an exact scale spacing by using moving stops. Arrangements of this type, however, also require a great deal of effort. Quite apart from this, it can also happen that the scale spacing achieved by means of moving stops is subsequently changed again by the side pushers.

Hiervon ausgehend ist es daher die Aufgabe der vorliegenden Erfindung, unter Vermeidung der Nachteile der bekannten Anordnungen eine Vorrichtung eingangs erwähnter Art zu schaffen, die einfach aufgebaut ist und dennoch eine genaue Positionierung der Produkte auf dem Transportband bzw. den Transportbändern gewährleistet.Proceeding from this, it is therefore the object of the present invention, while avoiding the disadvantages of the known arrangements, to provide a device of the type mentioned at the outset which is simple in construction and nevertheless ensures precise positioning of the products on the conveyor belt or conveyor belts.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß mindestens ein in Auslegerichtung ausgerichteter, gegenüber der transportbandseitigen Transportebene erhöhter, eine in Auslegerichtung abfallende und an ihrem vorderen Ende in die transportbandseitige Transportebene einlaufende Kante aufweisender Steg vorgesehen ist.This object is achieved according to the invention in that at least one web is provided which is aligned in the delivery direction, is raised in relation to the transport plane on the transport plane, has a sloping in the delivery direction and enters the front end into the transport band-side transport plane.

Die das Schaufelrad verlassenden Produkte kommen hierbei zunächst an der schmalen schaufelradseitigen Kante des Stegs zur Anlage und erhalten dabei praktisch einen in Auslegerichtung verlaufenden Knick, der eine Stabilisierung der Produkte bewirkt und eine exakte Führung der Produkte entlang des in Auslegerichtung verlaufenden Stegs gewährleistet. Gleichzeitig wird hierbei infolge der erhöhten Anordnung und des lediglich allmählichen Abfalls des Stegs ein sogenanntes Schwimmen der Produkte, d. h. ein Gleiten der Produkte auf einem Luftpolster, verhindert, so daß eine exakte Positionierung der Produkte nicht nur quer zur Auslegerichtung, sondern auch in Auslegerichtung erreicht wird. Die vorstehenden Ausführungen zeigen, daß die Erfindung die ihr gestellte Aufgabe mit einfachen und kostengünstigen Mitteln löst.The products leaving the paddle wheel initially come to rest on the narrow edge of the web on the impeller side, and in doing so practically receive a bend running in the direction of delivery, which stabilizes the products and ensures exact guidance of the products along the web running in the direction of delivery. At the same time, a so-called floating of the products, i. H. a sliding of the products on an air cushion prevented, so that an exact positioning of the products is achieved not only transversely to the direction of delivery, but also in the direction of delivery. The above statements show that the invention solves the task it is given with simple and inexpensive means.

In vorteilhafter Weiterbildung der übergeordneten Maßnahmen kann ein mittig angeordneter Steg vorgesehen sein. Hierbei ergibt sich praktisch eine starke mittige Sickung der Produkte und daher trotz geringen Aufwands eine besonders exakte Positionierung.In an advantageous further development of the superordinate measures, a bridge arranged in the middle can be provided. This practically results in a strong central beading of the products and therefore, despite little effort, particularly precise positioning.

Ein weitere zweckmäßige Maßnahme kann darin bestehen, daß die Neigung der Stegoberkante einstellbar ist. Diese Maßnahme ermöglicht eine genaue Anpassung der Position der oberen Stegkante an die jeweilige Produktlänge bzw. Produktdicke.Another useful measure can be that the inclination of the top edge of the web is adjustable. This measure enables an exact adjustment of the position of the upper web edge to the respective product length or product thickness.

Eine besonders vorteilhafte Ausgestaltung der übergeordneten Maßnahmen kann darin bestehen, daß der Steg mit seinem mittleren Bereich den Außenumfang des Schaufelrads zumindest tangiert, vorzugsweise in den Außenumfang des Schaufelrads eingreift. Diese Maßnahme stellt sicher, daß der Steg bereits in Aktion tritt, solange die Produkte noch im Schaufelrad liegen. Die Produkte werden hierbei praktisch von den dem Steg benachbarten Schaufeln an den Steg angedrückt, was eine hohe Genauigkeit sowohl in Auslegerichtung als auch quer hierzu gewährleistet.A particularly advantageous embodiment of the superordinate measures can consist in the fact that the central region of the web at least touches the outer circumference of the impeller, preferably engages in the outer circumference of the impeller. This measure ensures that the web is already in action while the products are still in the paddle wheel. The products are practically pressed against the web by the blades adjacent to the web, which ensures high accuracy both in the direction of delivery and transversely to it.

In weiterer vorteilhafter Fortbildung der übergeordneten Maßnahmen kann der Steg als gegenüber der transportbandseitigen Transportebene von hinten nach vorne geneigtes Obertrum eines über zwei Umlenkorgane umgelenkten, vorzugsweise angetriebenen Riemenbands ausgebildet sein. Hierbei ergeben sich keine oder nurvernachlässigbar kleine Relativbewegungen zwischen den Produkten und dem den Steg bildenden Obertrum des Riemenbands, was eine besonders schonende Behandlung der Produkte gewährleistet. Außerdem ermöglichen diese Maßnahmen einen besonders einfachen und wartungsfreundlichen Aufwand, da keinerlei Gleitbeschichtungen etc. erforderlich sind und da infolge fehlender Relativbewegungen der Produkte gegenüber dem Steg auch ein verschleißarmer Betrieb gewährleistet wird.In a further advantageous development of the superordinate measures, the web can be designed as an upper run of a preferably driven belt belt that is deflected from the rear to the front relative to the transport plane on the transport plane. This results in no or only negligibly small relative movements between the products and the upper run of the belt which forms the web, which ensures particularly gentle treatment of the products. In addition, these measures enable a particularly simple and maintenance-friendly outlay, since no sliding coatings, etc. are required, and since, due to the lack of relative movement of the products relative to the web, low-wear operation is also guaranteed.

Eine weitere zweckmäßige Maßnahme kann darin bestehen, daß das Riemenband mit etwa um 1 % bis 5 % geringerer Oberflächengeschwindigkeit als das Transportband bzw. die Transportbänder angetrieben wird, was erfahrungsgemäß die Sicherung und exakte Positionierung der Produkte positiv beeinflussen kann.A further expedient measure can consist in that the belt belt is driven with a surface speed that is about 1% to 5% lower than the conveyor belt or the conveyor belts, which experience has shown can have a positive effect on the securing and exact positioning of the products.

In weiterer Fortbildung der übergeordneten Maßnahmen kann das Riemenband von mindestens zwei Transportbändern flankiert sein, wobei die Transportbänder und das Riemenband um eine gemeinsame, vorzugsweise mit einem dem Riemenband zugeordneten Einstich versehene, vordere Antriebswalze herumgeführt sind und wobei dem Riemenband eine von den den Transportbändern zugeordneten hinteren Umlenkorganen unabhängige hintere Umlenkrolle zugeordnet ist, deren Durchmesser größer als der Durchmesser der Antriebswalze ist. Diese Maßnahmen ergeben einen besonders einfachen Aufbau und ermöglichen eine einfache Verstellbarkeit der Neigung des den erfindungsgemäßen Steg bildenden Obertrums des Riemenbands durch einfaches Verstellen der hinteren Umlenkrolle.In a further development of the superordinate measures, the belt belt can be flanked by at least two conveyor belts, the conveyor belts and the belt belt being around a common front drive roller, preferably provided with a puncture assigned to the belt belt, is guided around and the belt belt is assigned a rear deflection roller which is independent of the rear deflection members assigned to the conveyor belts and whose diameter is larger than the diameter of the drive roller. These measures result in a particularly simple construction and enable the inclination of the upper run of the belt band forming the web according to the invention to be easily adjusted by simply adjusting the rear deflection roller.

Weitere zweckmäßige Fortbildungen und vorteilhafte Ausgestaltungen der übergeordneten Maßnahmen ergeben sich aus der nachstehenden Beschreibung eines Ausführungsbeispiels anhand der Zeichnung in Verbindung mit den restlichen Unteransprüchen.Further expedient further developments and advantageous refinements of the superordinate measures result from the following description of an exemplary embodiment with reference to the drawing in conjunction with the remaining subclaims.

In der Zeichnung zeigen :

  • Figur 1 eine Seitenansicht einer erfindungsgemäßen Auslegevorrichtung und
  • Figur 2 eine Draufsicht auf die der Figur 1 zugrundeliegende Auslegevorrichtung.
The drawing shows:
  • Figure 1 is a side view of a delivery device according to the invention and
  • Figure 2 is a plan view of the laying device on which Figure 1 is based.

Die den Figuren zugrundeliegende Auslegevorrichtung besteht aus in Auslegerichtung verlaufenden, mit Abstand unterhalb eines Schaufelrads 1 vorbeigeführten Transportbändern 2. Im dargestellten Ausführungsbeispiel handelt es sich dabei, wie am besten aus Figur 2 erkennbar ist, um zwei vergleichsweise breite, mit geringem mittleren Abstand nebeneinander angeordnete Flachförderbänder, die zumindest obertrumseitig in einer Ebene angeordnet sind und deren dem Schaufelrad 1 zugewandte Oberfläche dementsprechend eine Transportebene definiert. Die Transportbänder 2 werden durch in Auslegerichtung vordere und hintere Umlenkorgane ungelenkt. Zur Bildung eines vorderen Umlenkorgans ist hier eine über die Maschinenbreite durchgehende, mit einer Antriebswelle 3 gekuppelte Umlenkwalze 4 vorgesehen. Zur Bildung hinterer Umlenkorgane sind auf einer über die Breite beider Transportbänder 2 durchgehenden Achse 5 frei drehbar gelagerte Umlenktrommeln 6 vorgesehen. Der wirksame Durchmesser der angetriebenen, vorderen Umlenkwalze 4 und der hinteren Umlenktrommeln 6 ist etwa gleich, so daß das Untertrum der Transportbänder parallel zum zugeordneten Obertrum verläuft. Die vordere Umlenkwalze 4 ist über die Antriebswelle 3 und einen dieser gegenüberliegenden Lagerzapfen drehbar an den Gestellseitenwandungen 7 gelagert. Die den hinteren Umlenktrommeln 6 zugeordnete Achse 5 greift mit seitlichen Flachzapfen in Schlitze seitlicher Lagerlaschen 8 ein, die auf eine an den Gestellseitenwandungen 7 befestigte Traverse 9 aufgeklemmt sind. Durch Verdrehen der Lagerlaschen 8 gegenüber der Traverse 9 läßt sich der Abstand der durch die Transportbänder 2 definierten Transportebene vom Schaufelradumfang einstellen. Zur Bewerkstelligung einer exakten Spannung der Transportbänder 2 sind die Flachzapfen der die hinteren Umlenktrommeln 6 aufnehmenden Achse 5 durch Gewindestifte 10 an den Lagerlaschen 8 abgestützt. Im dargestellten Ausführungsbeispiel ist die Achse 5 zur Vermeidung einer übermäßigen Durchbiegung nicht nur an den seitlichen Lagerlaschen 8, sondern auch an einer mittleren, ebenfalls auf die Traverse 9 aufgeklemmten Lagerlasche 8a abgestützt.The delivery device on which the figures are based consists of conveyor belts 2 running in the delivery direction and passing a distance below a paddle wheel 1. In the exemplary embodiment shown, as can best be seen from FIG. 2, these are two comparatively wide flat conveyor belts arranged next to one another with a small mean distance which are arranged at least on the upper run side in a plane and whose surface facing the paddle wheel 1 accordingly defines a transport plane. The conveyor belts 2 are unguided by front and rear deflection elements in the direction of delivery. To form a front deflecting element, a deflecting roller 4 is provided which is continuous over the machine width and is coupled to a drive shaft 3. In order to form rear deflection elements, deflection drums 6 which are freely rotatably mounted are provided on an axis 5 which is continuous over the width of both conveyor belts 2. The effective diameter of the driven, front deflection roller 4 and the rear deflection drums 6 is approximately the same, so that the lower run of the conveyor belts runs parallel to the assigned upper run. The front deflecting roller 4 is rotatably mounted on the frame side walls 7 via the drive shaft 3 and a bearing pin opposite this. The axis 5 assigned to the rear deflection drums 6 engages with lateral flat pins in slots in lateral bearing straps 8 which are clamped onto a cross member 9 fastened to the frame side walls 7. The distance of the transport plane defined by the conveyor belts 2 from the circumference of the paddle wheel can be adjusted by rotating the bearing straps 8 relative to the crossmember 9. In order to achieve an exact tensioning of the conveyor belts 2, the flat pins of the axis 5 receiving the rear deflection drums 6 are supported by setscrews 10 on the bearing straps 8. In the exemplary embodiment shown, the axis 5 is supported not only on the lateral bearing brackets 8 but also on a central bearing bracket 8a, which is also clamped onto the crossbeam 9, in order to avoid excessive deflection.

Im Bereich zwischen den beiden seitlichen Transportbändern 2 befindet sich ein mittig angeordneter, in Auslegerichtung sich erstreckender, gegenüber der durch die Transportbänder 2 definierten Transportebene erhöhter Steg 11, dessen obere Stegkante von hinten in Auslegerichtung nach vorne abfällt und an seinem vorderen Ende in die Transportebene einläuft, wie Figur 1 anschaulich zeigt. Im dargestellten Ausführungsbeispiel ist ein mittig angeordneter Steg 11 vorgesehen. Es wäre aber auch ohne weiteres denkbar, mehrere derartiger Stege vorzusehen. Die schaufelradseitige Oberkante des Stegs 11 weist im dargestellten Ausführungsbeispiel einen geraden, linear abfallenden Verlauf auf.In the area between the two lateral conveyor belts 2 there is a web 11, which is arranged in the center and extends in the direction of delivery, raised compared to the transport plane defined by the conveyor belts 2, the upper web edge of which falls from the rear in the delivery direction and runs into the transport plane at its front end , as Figure 1 clearly shows. In the illustrated embodiment, a web 11 arranged in the middle is provided. However, it would also be easily conceivable to provide several such webs. In the exemplary embodiment shown, the upper edge of the web 11 on the impeller side has a straight, linearly descending course.

Die vom Schaufelrad 1 auf die Transportbänder 2 in Form einer Schuppenbahn abzulegenden Falzprodukte werden durch den gegenüber den Transportbändern 2 erhöhten Steg 11 geknickt bzw. gesickt und damit hinsichtlich ihrer Lage stabilisiert. Die in Auslegerichtung abnehmenden Höhenabstand von der durch die Transportbänder 2 definierten Transportebene aufweisende Oberkante des Stegs 11 kann mit geringem Abstand, jedenfalls geringerem Abstand als die Transportbänder 2, unterhalb des Schaufelrads 1 vorbeilaufen oder das Schaufelrad 1 tangieren. Im dargestellten Ausführungsbeispiel greift der Steg 11 mit seiner Oberkante in das Schaufelrad ein, d. h. zwischen zwei durch Schaufeln gebildete Scheiben des Schaufelrads 1, ein, so daß die vom Schaufelrad abzulegenden Produkte an den Steg 11 angedrückt werden. Die nach hinten zunehmende Höhe der Stegoberkante, d. h. die Neigung gegenüber der Transportebene, ist einstellbar, so daß auch bei der Verarbeitung unterschiedlicher Produkte eine schonende Behandlung der Produkte erreicht werden kann.The folded products to be deposited by the paddle wheel 1 onto the conveyor belts 2 in the form of a scale track are kinked or corrugated by the web 11 which is raised compared to the conveyor belts 2 and thus stabilized with regard to their position. The decreasing height distance in the cantilever direction from the upper edge of the web 11 having the transport plane 2 defined by the transport belts 2 can run past the paddle wheel 1 at a short distance, in any case less than the transport belts 2, or can affect the paddle wheel 1. In the illustrated embodiment, the web 11 engages with its upper edge in the impeller, i. H. between two disks of the impeller 1 formed by blades, so that the products to be deposited by the impeller are pressed against the web 11. The increasing backward height of the top edge of the web, i.e. H. the inclination with respect to the transport level can be adjusted so that gentle handling of the products can be achieved even when processing different products.

Der Steg 11 kann als feststehende, mit einer Gleitauflage versehene Zunge, etwa in Form eines Blechstreifens oder Rohrbügels, ausgebildet sein. Im dargestellten Ausführungsbeispiel wird der Steg 11 durch das von hinten nach vorne abfallende Obertrum eines schmalen, über zwei Umlenkorgane geführten, gespannten Riemenbands 12 gebildet. Das Riemenband 12 kann als schmaler Flachriemen, als Keilriemen oder als Seil oder dergleichen ausgebildet sein. In jedem Falle ergibt sich dabei ein Steg 11 mit elastisch nachgiebiger Oberkante, was der Schonung der Produkte sehr zuträglich sein kann. Das Riemenband 12 ist als Umlaufband ausgebildet, wodurch auch Relativbewegungen zwischen den Produkten und dem das Obertrum des Riemenbands 12 gebildeten Steg weitestgehend entfallen. Im dargestellten Ausführungsbeispiel ist das den Steg 11 bildende Riemenband 12 mit einem Zwangsantrieb versehen, so daß eine kontinuierliche Bewegung und damit ein besonders schonender Betrieb gewährleistet werden. Der Antrieb des den Steg 11 bildenden Riemenbands 12 erfolgt hier mit einer etwa 1 % bis 5 % unterhalb der Oberflächengeschwindigkeit der Transportbänder 2 liegenden Oberflächengeschwindigkeit, was erfahrungsgemäß eine besonders exakte Positionierung der Produkte auf den Transportbändern 2 gewährleistet.The web 11 can be designed as a fixed tongue provided with a sliding support, for example in the form of a sheet metal strip or pipe bracket. In the exemplary embodiment shown, the web 11 is formed by the upper run of a narrow, tensioned belt band 12 which runs from the rear to the front and is guided over two deflection members. The belt band 12 can be designed as a narrow flat belt, as a V-belt or as a rope or the like. In any case, there is a web 11 with an elastically resilient upper edge, which can be very beneficial for the protection of the products. The belt band 12 is designed as a circulating belt, so that relative movements between the products and the web forming the upper run of the belt band 12 are largely eliminated. In the illustrated embodiment, the belt band 12 forming the web 11 is provided with a positive drive, so that a continuous movement and thus a particularly nice operation can be guaranteed. The belt belt 12 forming the web 11 is driven here with a surface speed lying about 1% to 5% below the surface speed of the conveyor belts 2, which experience has shown ensures that the products are positioned particularly precisely on the conveyor belts 2.

Das Riemenband 12 ist im dargestellten Ausführungsbeispiel im Bereich des vorderen, in die Transportebene der Transportbänder 2 einschneidenden Stegendes um die den beiden Transportbändern 2 zugeordnete, durchgehende, angetriebene Umlenkwalze 4 herumgeführt, so daß sich ein sauberer Einlauf der Stegoberkante in die bandseitige Transportebene sowie ein automatischer Antrieb des den Steg 11 bildenden Riemenbands 12 ergeben. Zur Erzielung eines leichten Nachlaufs des den Steg 11 bildenden Riemenbands 12 gegenüber den Transportbändern 2 in der Größenordnung von, wie oben gesagt, 1 % bis 5 %, kann die Umlenkwalze 4 einfach mit einem dem Riemenband 12 zugeordneten Einstieg versehen sein. Im Bereich des hinteren Stegendes ist das Riemenband 12 um eine von den den Transportbändern 2 zugeordneten Umlenktrommein 6 unabhängige Umlenkrolle 13 herumgefuhrt, deren Durchmesser so viel größer als der Durchmesser der vorderen Umlenkwalze 4 ist und die so angeordnet ist, daß sich der gewünschte, von hinten nach vorne abfallende Verlauf des den Steg 11 bildenden Obertrums des Riemenbands 12 ergibt und daß gleichzeitig auch im Falle einer Höhenverstellung der Umlenkrolle 13 Kollisionen des Untertrums des Riemenbands 12 mit über die Maschinenbreite durchgehenden Bauelementen, wie beispielsweise der Traverse 9 bzw. der Achse 5 unterbleiben. Im dargestellten Ausführungsbeispiel besitzt die Umlenkrolle 13 etwa den doppelten Durchmesser der vorderen Umlenkwalze4 bzw. der Umlenktrommel 6. Die höhenmäßige Anordnung der Umlenkrolle 13 ist dabei so gewählt, daß in einer mittleren Stellung sowohl das von ihrem Umfang ablaufende Obertrum als auch das auf ihren Umfang auflaufende Untertrum des Riemenbands 12 mit von vorne nach hinten zunehmendem Abstand aus der Ebene der Ober- bzw. Untertrums der Transportbänder 2 herauslaufen, was eine großzügige Verstellbarkeit der Neigung des den Steg 11 bildenden Obertrums des Riemenbands 12 gestattet. Im dargestellten Ausführungsbeispiel ist die Umlenkrolle 13 im Bereich hinter den den Transportbändern 2 zugeordneten hinteren Umlenktrommein 6 angeordnet, was eine gute Zugänglichkeit der Umlenkrolle 13 und damit einen einfachen Aufbau sowie eine vergleichsweise große Steglänge ergibt.The belt belt 12 is in the illustrated embodiment in the area of the front, in the transport plane of the conveyor belts 2 cutting end around the continuous conveyor roller 4 assigned to the two conveyor belts 2, so that there is a clean entry of the web edge into the belt-side transport plane and an automatic Drive the belt band 12 forming the web 11 result. In order to achieve a slight caster of the belt band 12 forming the web 11 compared to the conveyor belts 2 in the order of magnitude, as stated above, 1% to 5%, the deflection roller 4 can simply be provided with an entry assigned to the belt band 12. In the area of the rear web end, the belt band 12 is guided around a deflection roller 13 which is independent of the deflection drum 6 assigned to the conveyor belts 2 and whose diameter is so much larger than the diameter of the front deflection roller 4 and which is arranged such that the desired one is from behind forward sloping course of the upper run forming the web 11 of the belt band 12 results in that, at the same time, even in the case of a height adjustment of the deflection roller 13, collisions of the lower run of the belt band 12 with components that are continuous over the machine width, such as, for example, the traverse 9 or the axis 5, are avoided. In the exemplary embodiment shown, the deflection roller 13 has approximately twice the diameter of the front deflection roller 4 or the deflection drum 6. The height arrangement of the deflection roller 13 is chosen such that, in a central position, both the upper run running from its circumference and that running up to its circumference The lower run of the belt band 12 runs out from the plane of the upper or lower run of the conveyor belts 2 with increasing distance from the front to the rear, which allows the inclination of the upper run of the belt band 12 forming the web 11 to be freely adjusted. In the exemplary embodiment shown, the deflection roller 13 is arranged in the area behind the rear deflection drum 6 assigned to the conveyor belts 2, which results in good accessibility of the deflection roller 13 and thus a simple structure and a comparatively large web length.

Die Umlenkrolle 13 ist auf einer zu der die hinteren Umlenktrommein 6 der Transportbänder 2 aufnehmenden Achse 5 parallelen Achse 14 frei drehbar gelagert, die auf einem Halter 15 befestigt ist, der um eine achsparallele Achse schwenkbar ist. Im dargestellten Ausführungsbeispiel ist der Halter 15 als laschenförmiger Schwenkarm ausgebildet, der auf eine Stange 16 aufgeklemmt ist, die mit ihren Enden in über die Achse 5 nach hinten hinausragende Verlängerungen der Lagerlaschen 8 bildenden Haltelaschen 17 drehbar gelagert ist und mittels eines aufgeklemmten Betätigungsarms 18 verschwenkbar ist. Hierzu ist eine mit einem auf dem Schwenkarm 18 drehbar aufgenommenen Zapfen 19 in Gewindeeingriff stehende, mittels eines Handrads betätigbare Stellspindel 20 vorgesehen, die sich auf einem an der benachbarten Haltelasche befestigten Lagerbock 21 abstützt. Durch Drehen der Stellspindel 20 können die Stange 16 verschwenkt und damit die die Umlenkrolle 13 aufnehmende Achse 14 mehr oder weniger angehoben werden. Die dabei sich ergebende Änderung der Länge des Riemenbands 12 liegt im Elastizitätsbereich des Bandmaterials. Die Steigung des Gewindes der Gewindespindel 20 kann so gewählt sein, daß Selbsthemmung gewährleistet ist. Es wäre aber auch denkbar, zur Sicherung der eingestellten Steglage einen der Gewindespindel (20) zugeordneten Verriegelungsstift etc. vorzusehen.The deflection roller 13 is freely rotatably mounted on an axis 14 parallel to the axis 5 receiving the rear deflection drum 6 of the conveyor belts 2 and is fastened on a holder 15 which can be pivoted about an axis parallel to the axis. In the illustrated embodiment, the holder 15 is designed as a lug-shaped swivel arm which is clamped onto a rod 16, the ends of which are rotatably mounted with their ends in extensions of the bearing brackets 8 which project beyond the axis 5 and can be pivoted by means of a clamped-on actuating arm 18 . For this purpose, an adjusting spindle 20 is provided which is threadedly engaged with a pin 19 which is rotatably received on the swivel arm 18 and which can be actuated by means of a handwheel and which is supported on a bearing block 21 fastened to the adjacent holding bracket. By rotating the adjusting spindle 20, the rod 16 can be pivoted and the axis 14 receiving the deflection roller 13 can be raised more or less. The resultant change in the length of the belt band 12 lies in the elastic range of the band material. The pitch of the thread of the threaded spindle 20 can be chosen so that self-locking is ensured. However, it would also be conceivable to provide a locking pin etc. assigned to the threaded spindle (20) to secure the set web position.

Claims (10)

1. A delivery device with at least one conveying belt (2) defining a conveying plane running under a fan wheel (1), said conveying belt accepting the products deposited on it, more especially in the form of an overlapped stream, by the fan wheel characterized in that there is at least one rib (11) which is aligned with the direction of delivery, is raised to be higher than the conveying plane on the conveying belt side and has an edge which declines in the direction of delivery and has its front end running into the conveying plane on the conveying belt side.
2. The delivery device as claimed in claim 1 characterized by a centrally arranged rib (11).
3. The delivery device as claimed in any one of the preceding claims characterized in that the _ slope of the edge declining in the delivery direction, of the rib (11) is able to be adjusted.
4. The delivery device as claimed in any one of the preceding claims characterized in that the central part of the rib (11) is at least tangent to the outer periphery of the fan wheel (1) and preferably extends into the outer periphery of the fan wheel (1
5. The delivery device as claimed in any one of the preceding claims characterized in that the rib (11) is in the form of a stationary sword.
6. The delivery device as claimed in any one of the preceding claims 1 through 5 characterized in that the rib (11) is in the form of the upper run, inclined forwards in relation to the conveying plane on the conveying belt side, of a band (12) which is preferably driven and is trained over two bend members.
7. The delivery device as claimed in claim 6 characterized in that the band (12) is driven with a surface speed that is preferably 1 % to 5 % less than the surface speed of the conveying belt or the conveying belts, respectively.
8. The delivery device as claimed in any one of the preceding claims characterized in that the band (12) is flanked by at least two conveying belts (2) so that it (12) and the conveying belts (2) run around a front common driven bend roll (4), which is preferably provided with a groove for the band (12) and there is a rear bend roll (13) independent of the rear bend members for the conveying belts (2), the diameter of this rear bend roll being greater than the diameter of the bend roll (4).
9. The delivery device as claimed in claim 8 characterized by rear bend drums (6) placed on a continuous shaft (6) for the conveying belts (2) and the rear bend roll (13) accepting the band (12) is bearinged on a separate shaft (14), which is placed on a holder (15) able to be pivoted about an axis parallel thereto.
10. The delivery. device as claimed in claim 9 characterized in that the holder (15) is in the form of a pivoting arm, which attached to a rod (16) bearinged in lateral holding lugs (17) and which may be pivoted by means of an actuating arm (18) attached thereto and a lead screw (20) acting thereon supported on the holding lug side, and preferably the holding lugs (17) receiving the rod (16) are in the form of rear extensions of the bearing lugs (8) receiving the shaft (5) and clamped on a crosspiece (9) fixed to the frame.
EP86105384A 1985-04-27 1986-04-18 Overlapping device Expired EP0200114B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853515328 DE3515328A1 (en) 1985-04-27 1985-04-27 LAYOUT
DE3515328 1985-04-27

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EP0200114A1 EP0200114A1 (en) 1986-11-05
EP0200114B1 true EP0200114B1 (en) 1988-07-06

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ID=6269338

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86105384A Expired EP0200114B1 (en) 1985-04-27 1986-04-18 Overlapping device

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US (1) US4690396A (en)
EP (1) EP0200114B1 (en)
JP (1) JPH0694326B2 (en)
DE (2) DE3515328A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4802578A (en) * 1985-09-05 1989-02-07 Vsesojuzny Nauchno-Issledovatelsky I Ispytatelny Institut Meditsinskoi Tekhniki Surgical instrument
DD264190A1 (en) * 1987-09-04 1989-01-25 Polygraph Leipzig SHOE WHEEL EXCHANGER FOR SHOOTING OUTPUT OF PRINTED PRODUCTS

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1325550A (en) * 1919-12-23 Ginia
US953045A (en) * 1908-07-03 1910-03-29 Hoe & Co R Sheet-delivery mechanism.
US3847384A (en) * 1973-01-30 1974-11-12 Smithe Machine Co Inc F L Apparatus for collating sheet like elements
SE413007B (en) * 1977-04-12 1980-03-31 Wifag Maschf DEVICE FOR CREATING A CURRENT OF OVERLAPPED FALSE PRINTED PRODUCTS
DE3130945A1 (en) * 1980-09-16 1982-04-29 Ferag AG, 8340 Hinwil, Zürich "DEVICE FOR REMOVING FLEXIBLE, FLAT PRODUCTS REPORTED BY MEANS OF A CONVEYOR, IN PARTICULAR PRINTED PRODUCTS, FROM THE CONVEYOR FLOW"
DE3108681A1 (en) * 1981-03-07 1982-09-30 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach "DEVICE FOR REMOVING PRINTED COPIES FROM THE BUCKET WHEELS OF A FOLDING APPARATUS"
DE3123406C2 (en) * 1981-06-12 1985-12-12 Albert-Frankenthal Ag, 6710 Frankenthal Device for product alignment

Also Published As

Publication number Publication date
DE3515328A1 (en) 1986-10-30
DE3515328C2 (en) 1987-04-02
JPH0694326B2 (en) 1994-11-24
US4690396A (en) 1987-09-01
EP0200114A1 (en) 1986-11-05
JPS61254461A (en) 1986-11-12
DE3660359D1 (en) 1988-08-11

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