EP1604812B1 - Folding station with adjustable folding belt - Google Patents

Folding station with adjustable folding belt Download PDF

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Publication number
EP1604812B1
EP1604812B1 EP05102769A EP05102769A EP1604812B1 EP 1604812 B1 EP1604812 B1 EP 1604812B1 EP 05102769 A EP05102769 A EP 05102769A EP 05102769 A EP05102769 A EP 05102769A EP 1604812 B1 EP1604812 B1 EP 1604812B1
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EP
European Patent Office
Prior art keywords
folding
belt
blank
roller
region
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.)
Active
Application number
EP05102769A
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German (de)
French (fr)
Other versions
EP1604812A1 (en
Inventor
Wolfgang Diehr
Klaus Torka
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Heidelberger Druckmaschinen AG
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Heidelberger Druckmaschinen AG
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Publication of EP1604812A1 publication Critical patent/EP1604812A1/en
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Classifications

    • 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
    • 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
    • B31B50/26—Folding sheets, blanks or webs
    • 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
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
    • 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
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
    • B31B2100/002—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs characterised by the shape of the blank from which they are formed
    • B31B2100/0022—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs characterised by the shape of the blank from which they are formed made from tubular webs or blanks, including by tube or bottom forming operations
    • 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
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/30—Construction of rigid or semi-rigid containers collapsible; temporarily collapsed during manufacturing
    • 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
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/58—Folding sheets, blanks or webs by moving endless 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
    • B31B50/60—Uniting opposed surfaces or edges; Taping
    • B31B50/62—Uniting opposed surfaces or edges; Taping by adhesives
    • B31B50/624—Applying glue on blanks
    • 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
    • B31B50/60—Uniting opposed surfaces or edges; Taping
    • B31B50/62—Uniting opposed surfaces or edges; Taping by adhesives
    • B31B50/626—Arrangements for permitting the glue to set
    • 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
    • B31B50/74—Auxiliary operations
    • B31B50/92—Delivering
    • B31B50/94—Delivering singly or in succession
    • B31B50/96—Delivering singly or in succession in an overlapping arrangement

Definitions

  • the invention relates to a folding station of a Faltschachtelklebemaschine for processing a conveyed along a conveying path with predeterminable conveying speed blank, wherein the blank as settlement of a carton has a central part, sit on which laterally arranged side parts, which for the production of folding cartons along fold grooves between the middle part and side part to The longitudinal center of the blank is pivoted inwardly over a fold line and finally collapsed, with a folding belt which pivots and folds the side parts and which is guided by means of a folding switch, a setting roller and one or more deflection and pressure rollers.
  • a folding box machine which serves to transform folding carton blanks into folding carton tubes.
  • the folding carton blanks correspond to the processing of a finished folding carton to be produced.
  • the folding must be done with considerable precision, because this decisively determines the angular accuracy of the finished folding box.
  • folding belts or folding tapes are used, which rest against the parts to be folded, the side parts of the folding carton blank and force folding along the fold line.
  • the folding belts run along with their Ultrum along a kind of helical line, the folding belt acting on the parts to be folded.
  • the folding belts run at a web speed which corresponds to the web speed of the blank.
  • a plurality of loosely rotatable discs are arranged, which touch the folding carton blank near the folding lines.
  • Another folding station for folding blanks is from the DE 44 39 198 A1 known.
  • the folding is done in a conventional manner by so-called folding belt, which seize the side flaps from below.
  • the folding belts run from a plane below to a plane above the middle part.
  • the axes of the folding belt are in this case entangled to each other such that the blank facing the folding belt surface along the conveying path of the blank turns by a total of 180 °.
  • a folding device in the region of the fold lines of the blanks is arranged in the front region of the conveying path.
  • the object of the invention is to develop a folding station for a Faltschachtelklebemaschine, which is structurally low and which allows a precise folding with minimal means.
  • the folding station with minimal effort to be flexibly adaptable to a variety of blanks.
  • the object of the invention is achieved by a folding station with the features of claim 1.
  • the distance of the folding belt to the fold line of the blank is made adjustable, so that the folding belt always acts on an outer region of the side part.
  • the thought according to the invention now creates the possibility itself To detect a variety of blanks on the most favorable for folding area of the side panels and thus to ensure an exact folding. Due to the adjustability of the folding belt to the fold line and thus to the respective Length of the side part of the blank, the optimal folding moment can be applied to the blanks.
  • an adjustable modular suspension of the folding belt can be very easily horizontally and vertically, with respect to the transport direction of the blanks set.
  • the two-stage embodiment exemplified here makes it possible to break more longitudinal and transverse grooves and perform additional folds.
  • the folding station 3 at the beginning of a commissioned work 4 for adhesive, usually for glue, is arranged.
  • the adhesive applicator 4 contains glue nozzles or glue discs, of which the adhesive is applied in strips on the blanks.
  • the folding boxes are checked for folding errors. For this purpose, photocells are arranged in this area, with which the folding box length is scanned. If the length of the folding box does not correspond to the predetermined format, for example because a flap has not been folded correctly, then this box is reported to the central control unit of the folding box gluing machine as defective.
  • the transfer station 5 connects.
  • the transfer station 5 has the primary task, the folded, provided with not yet set adhesive seams folding boxes aligned in all parts of the subsequent collection and pressing station 6 supply.
  • a scale flow is produced from the folded boxes.
  • the collecting and pressing station 6 has for this purpose compression straps, by means of which the adhesive seams are kept under pressure until the adhesive is set securely.
  • FIG. 3 shows an isometric view of the guide 7, with the pivoting and collapsing of the side parts is made possible, as a detail from the FIG. 2 in an enlarged view.
  • the guide 7 comprises a Folding belt 8, which is deflected by a deflection roller 9 by 90 ° and guided over a setting roller 10. From the setting roller 10, the folding belt 8 extends over a further deflection roller 11 and then over a first region of the folding station 12 to the arranged in a second region 13 Umlenkrollen Suite in which the folding belt 8 is guided around three pulleys (see in particular Fig. 5 ).
  • the folding belt 8 In the first region 12 of the folding belt 8 is deflected by a folding switch 16 by 90 °. Due to the deflection of the folding belt 8, the side part of the blank is also set up by 90 ° at the same time. The side part is thus at a right angle to the plane of the transport direction and is perpendicular to the central part of the blank. Behind the first region 12 follows the central region 13, which in this embodiment with three deflection rollers, the so-called triple roll 13 ', (see Fig. 5 ) is executed. In the rear and third area 15 of the folding station 3, the folding belt 8 is guided over a number of pressure rollers 14 by a further 90 ° in the direction of the plane of the flat resting area of the blanks.
  • the adjusting roller 10 is made adjustable.
  • the folding belt 8 is guided over the deflection roller 9 to the adjusting roller 10.
  • the adjusting roller 10 can be changed in particular by means of a spindle drive with an adjusting screw 22 which is rotatable in the direction of the arrow P in position.
  • the setting on the FIG. 6 be clarified. If by means of the adjusting screw 22, the adjusting roller 10 is changed in position, as shown by the arrow M, the folding belt 8 moves accordingly over the guide roller 11 in the direction of the arrow B. This creates the opportunity, the folding belt 8 with the simplest means directly at Inserting the blanks on the correct point of attack to set the folding side parts.
  • the possibility of adjusting the folding belt 8 offers the advantage of being able to optimally fold the folding boxes in the area of the unfolding station 3. It is always useful to let the folding belt 8 as far away from the fold line or crease line attack errors in the true-to-angle folding, this effect is also referred to as fish-tailing to keep as low as possible and to obtain an optimal point of attack. In all previously known Faltschachtelklebemaschinen the point is always in the immediate vicinity directly to the um suden groove line.
  • the idea according to the invention now provides the possibility that the folding belt 8 is laterally adjustable in the front leading-up area 12. In the subsequent Faltweiche 16, in which the rotation of the folding belt 8 is done from 0 ° to 90 °, the folding switch 16 is mounted laterally adjustable in the front and in the rear area.

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  • Making Paper Articles (AREA)

Abstract

A folding shunt (16), a positioning roller (10), a deflection roller (9) and a pressure roller (14) are arranged, such that distance between a folding strap (8) and a folding line of a blank is made adjustable with respect to the folding line by separate adjustment devices, for guiding the folding strap. The folding strap deflects side pieces upwardly and folds the side pieces of the blank. An independent claim is included for a folding box gluing machine.

Description

Die Erfindung betrifft eine Faltstation einer Faltschachtelklebemaschine zur Bearbeitung eines entlang eines Förderweges mit vorgebbarer Fördergeschwindigkeit geförderten Zuschnitts, wobei der Zuschnitt als Abwicklung einer Faltschachtel ein Mittelteil aufweist, an welchem seitlich angeordnete Seitenteile sitzen, die zur Herstellung der Faltschachteln entlang von Falzrillen zwischen Mittelteil und Seitenteil zur Längsmitte des Zuschnitts über eine Faltlinie einwärts geschwenkt und schließlich zusammengelegt werden, mit einem die Seitenteile schwenkenden und zusammenlegenden Faltriemen, der mittels einer Faltweiche, einer Stellrolle und einer oder mehrerer Umlenk- und Andruckrollen geführt ist.The invention relates to a folding station of a Faltschachtelklebemaschine for processing a conveyed along a conveying path with predeterminable conveying speed blank, wherein the blank as settlement of a carton has a central part, sit on which laterally arranged side parts, which for the production of folding cartons along fold grooves between the middle part and side part to The longitudinal center of the blank is pivoted inwardly over a fold line and finally collapsed, with a folding belt which pivots and folds the side parts and which is guided by means of a folding switch, a setting roller and one or more deflection and pressure rollers.

Aus der DE 102 41 448 ist eine Faltschachtelmaschine bekannt, die dazu dient, Faltschachtelzuschnitte in Faltschachtelschläuche umzuformen. Die Faltschachtelzuschnitte entsprechen der Abwicklung einer herzustellenden fertigen Faltschachtel. Das Umfalten muß mit erheblicher Präzision geschehen, denn hierdurch wird die Winkeltreue der fertigen Faltschachtel entscheidend besti m mt.From the DE 102 41 448 a folding box machine is known, which serves to transform folding carton blanks into folding carton tubes. The folding carton blanks correspond to the processing of a finished folding carton to be produced. The folding must be done with considerable precision, because this decisively determines the angular accuracy of the finished folding box.

Um den Faltschachtelschlauch zu produzieren, werden sogenannte Faltriemen oder Faltbänder verwendet, die sich an die umzuschlagenden Teile, die Seitenteile des Faltschachtelzuschnitts anlegen und das Falten längs der Faltlinie erzwingen. Die Faltriemen laufen mit ihrem Arbeitstrum längs einer Art Schraubenlinie, wobei der Faltriemen auf die einzufaltenden Teile einwirken. Damit die Faltbewegung ordnungsgemäß vonstatten geht, laufen die Faltriemen mit einer Bahngeschwindigkeit, die der Bahngeschwindigkeit des Zuschnitts entspricht. Um die Winkeltreue der fertigen Faltschachtel zu gewährleisten, sind gewährleisten, sind in der Faltlinie eine Vielzahl lose drehbarer Scheiben angeordnet, die in der Nähe der Faltlinien den Faltschachtelzuschnitt berühren.To produce the carton tube, so-called folding belts or folding tapes are used, which rest against the parts to be folded, the side parts of the folding carton blank and force folding along the fold line. The folding belts run along with their Arbeitstrum along a kind of helical line, the folding belt acting on the parts to be folded. For the folding movement to take place properly, the folding belts run at a web speed which corresponds to the web speed of the blank. To ensure the angular accuracy of the finished carton, are In the fold line, a plurality of loosely rotatable discs are arranged, which touch the folding carton blank near the folding lines.

Eine weitere Faltstation zum Falten von Zuschnitten ist aus der DE 44 39 198 A1 bekannt. Das Falten erfolgt in an sich bekannter Weise durch sogenannte Faltriemen, welche die Seitenklappen von unten ergreifen. Die Faltriemen verlaufen dabei von einer Ebene unterhalb zu einer Ebene oberhalb des Mittelteils. Die Achsen der Faltriemen sind hierbei derart zueinander verschränkt, dass sich die dem Zuschnitt zugewandte Faltriemenfläche entlang des Förderweges des Zuschnitts um insgesamt 180° wendet. Um die vorgegebenen engen Toleranzen beim Falten der Zuschnitte einzuhalten, ist im vorderen Bereich des Förderweges eine Abkantvorrichtung im Bereich der Falzlinien der Zuschnitte angeordnet.Another folding station for folding blanks is from the DE 44 39 198 A1 known. The folding is done in a conventional manner by so-called folding belt, which seize the side flaps from below. The folding belts run from a plane below to a plane above the middle part. The axes of the folding belt are in this case entangled to each other such that the blank facing the folding belt surface along the conveying path of the blank turns by a total of 180 °. In order to comply with the specified narrow tolerances when folding the blanks, a folding device in the region of the fold lines of the blanks is arranged in the front region of the conveying path.

Aus der US 1,506,844 ist eine Faltstation zum Falten von zuschnitten bekannt, bei der der Abstand des Faltriemens zur Faltlinie des Zuschnitts einstellbar ist.From the US 1,506,844 a folding station for folding blanks is known in which the distance of the folding belt to the fold line of the blank is adjustable.

Aus dem beschriebenen Stand der Technik wird ersichtlich, dass eine exakte Faltung in den Falzlinien und eine nach dem Falten einzuhaltende Winkeltreue der Zuschnitte Probleme beim Falten darstellen.It can be seen from the prior art described that an exact folding in the fold lines and an angle accuracy of the blanks to be maintained after folding represent problems in folding.

Die Aufgabe der Erfindung ist es, eine Faltstation für eine Faltschachtelklebemaschine zu entwickeln, die konstruktiv günstig aufgebaut ist und die mit minimalen Mitteln ein präzises Falten ermöglicht. Darüber hinaus soll die Faltstation mit minimalem Aufwand flexibel an unterschiedlichste Zuschnitte anpassbar sein.The object of the invention is to develop a folding station for a Faltschachtelklebemaschine, which is structurally low and which allows a precise folding with minimal means. In addition, the folding station with minimal effort to be flexibly adaptable to a variety of blanks.

Die Aufgabe der Erfindung wird gelöst durch eine Faltstation mit den Merkmalen des Anspruchs 1. Dabei ist der Abstand des Faltriemens zur Faltlinie des Zuschnitts einstellbar ausgeführt, so dass der Faltriemen stets auf einen äußeren Bereich des Seitenteils einwirkt. Durch den erfindungsgemäßen Gedanken ist nun die Möglichkeit geschaffen, selbst unterschiedlichste Zuschnitte an dem für das Falten günstigsten Bereich der Seitenteile zu erfassen und somit ein exaktes Falten zu gewährleisten. Durch die Einstellbarkeit des Faltriemens zur Faltlinie und damit auf die jeweilige Länge des Seitenteils des Zuschnitts kann das optimale Faltmoment auf die Zuschnitte ausgeübt werden. Durch die Verwendung einer verstellbaren modularen Aufhängung kann der Faltriemen dabei sehr leicht horizontal und vertikal, in Bezug auf die Transportrichtung der Zuschnitte, eingestellt werden.The object of the invention is achieved by a folding station with the features of claim 1. The distance of the folding belt to the fold line of the blank is made adjustable, so that the folding belt always acts on an outer region of the side part. The thought according to the invention now creates the possibility itself To detect a variety of blanks on the most favorable for folding area of the side panels and thus to ensure an exact folding. Due to the adjustability of the folding belt to the fold line and thus to the respective Length of the side part of the blank, the optimal folding moment can be applied to the blanks. By using an adjustable modular suspension of the folding belt can be very easily horizontally and vertically, with respect to the transport direction of the blanks set.

Nachfolgend wird die Erfindung anhand eines Ausführungsbeispiels näher erläutert. Es zeigt:

Figur 1
den schematischen Aufbau einer Faltschachtelklebemaschine in der Seitenansicht,
Figur 2
eine dreidimensionale Ansicht auf eine Faltstation einer Faltschachtelklebemaschine,
Figur 3
eine perspektivische Ansicht auf eine Führung für einen Faltriemen,
Figur 4
die Seitenansicht auf die Führung gemäß Figur 3,
Figur 5
die Draufsicht auf die Führung gemäß Figur 3 und
Figur 6
die Vorderansicht auf die Führung für den Faltriemen gemäß der Figur 3.
The invention will be explained in more detail with reference to an embodiment. It shows:
FIG. 1
the schematic structure of a Faltschachtelklebemaschine in the side view,
FIG. 2
3-dimensional view of a folding station of a folding box gluer,
FIG. 3
a perspective view of a guide for a folding belt,
FIG. 4
the side view on the guide according to FIG. 3 .
FIG. 5
the top view of the guide according to FIG. 3 and
FIG. 6
the front view of the guide for the folding belt according to the FIG. 3 ,

In Förderrichtung, die in Figur 1 von rechts nach links verläuft, beginnt die Faltschachtelklebemaschine mit einem Einleger 1, der die zu verarbeitenden Zuschnitte mit hoher Geschwindigkeit von einem Stapel nacheinander abzieht und einzeln den nachfolgenden Bearbeitungsstationen zuführt. Auf den Einleger 1 folgt ein Vorbrecher 2, der im vorliegenden Ausführungsbeispiel zweistufig ausgebildet ist. Der Vorbrecher 2 enthält Faltelemente, um Seitenteile oder Faltlappen vor und zurück zu falten, damit die entsprechenden Faltlinien oder Längsrilllinien durch Knicken um 180° weich und geschmeidig gemacht werden.In conveying direction, the in FIG. 1 From right to left, the folding box gluing machine starts with an insert 1, which pulls off the blanks to be processed at high speed from a stack one after the other and feeds them individually to the subsequent processing stations. On the insert 1 follows a primary crusher 2, which is formed in two stages in the present embodiment. The pre-crusher 2 includes folding elements for folding side or folding flaps back and forth so that the corresponding fold lines or longitudinal scoring lines are made soft and smooth by 180 ° buckling.

Die hier beispielhaft dargestellte zweistufige Ausführungsform ermöglicht es, mehr Längs- und Querrillen zu brechen und zusätzliche Faltungen durchzuführen. Auf den Vorbrecher 2 folgt als nächste Bearbeitungsstation die Faltstation 3, an deren Anfang ein Auftragswerk 4 für Klebstoff, üblicherweise für Leim, angeordnet ist. Das Klebstoffauftragwerk 4 enthält Leimdüsen oder Leimscheiben, von denen der Klebstoff streifenförmig auf die Zuschnitte aufgebracht wird. Am Ende der Faltstation 3 werden die Faltschachteln auf Faltungsfehler geprüft. Dazu sind in diesem Bereich Fotozellen angeordnet, mit denen die Faltschachtellänge abgetastet wird. Entspricht die Länge der Faltschachtel nicht dem vorgegebenen Format, beispielsweise weil ein Lappen nicht ordnungsgemäß gefaltet wurde, so wird diese Schachtel der zentralen Steuereinheit der Faltschachtelklebemaschine als fehlerhaft gemeldet.The two-stage embodiment exemplified here makes it possible to break more longitudinal and transverse grooves and perform additional folds. On the primary crusher 2 follows as the next processing station, the folding station 3, at the beginning of a commissioned work 4 for adhesive, usually for glue, is arranged. The adhesive applicator 4 contains glue nozzles or glue discs, of which the adhesive is applied in strips on the blanks. At the end of the folding station 3, the folding boxes are checked for folding errors. For this purpose, photocells are arranged in this area, with which the folding box length is scanned. If the length of the folding box does not correspond to the predetermined format, for example because a flap has not been folded correctly, then this box is reported to the central control unit of the folding box gluing machine as defective.

Unmittelbar an die Faltstation 3 schließt sich die Überleitstation 5 an. Die Überleitstation 5 hat die primäre Aufgabe, die gefalteten, mit noch nicht abgebundenen Klebenähten versehenen Faltschachteln in allen Teilen ausgerichtet der nachfolgenden Sammel- und Press-Station 6 zuzuführen. Beim Übergang von der Überleitstation 5 zur Sammel- und Press-Station 6 wird ein Schuppenstrom aus den gefalteten Schachteln hergestellt. Die Sammel- und Press-Station 6 weist dazu Pressgurte auf, mittels derer die Klebenähte unter Druck gehalten werden, bis der Klebstoff sicher abgebunden ist.Immediately to the folding station 3, the transfer station 5 connects. The transfer station 5 has the primary task, the folded, provided with not yet set adhesive seams folding boxes aligned in all parts of the subsequent collection and pressing station 6 supply. In the transition from the transfer station 5 to the collection and pressing station 6, a scale flow is produced from the folded boxes. The collecting and pressing station 6 has for this purpose compression straps, by means of which the adhesive seams are kept under pressure until the adhesive is set securely.

In der Figur 2 ist eine dreidimensionale Ansicht auf eine Faltstation 3, die mit einer gemäß der Erfindung ausgeführten Führung 7 für einen Faltriemen 8 ausgestattet ist, dargestellt. Dabei zeigt die Figur 2 die Anordnung der Führung 7 in der Faltstation 3 sowie die Laufrichtung L der Zuschnitte durch die Faltschachtelklebemaschine.In the FIG. 2 is a three-dimensional view of a folding station 3, which is equipped with an executed according to the invention guide 7 for a folding belt 8, shown. It shows the FIG. 2 the arrangement of the guide 7 in the folding station 3 and the running direction L of the blanks by the Faltschachtelklebemaschine.

Die Figur 3 zeigt eine isometrische Ansicht der Führung 7, mit der ein Schwenken und Zusammenlegen der Seitenteile ermöglicht wird, als Detail aus der Figur 2 in einer vergrößerten Ansicht. Die Führung 7 umfasst einen Faltriemen 8, der mittels einer Umlenkrolle 9 um 90° umgelenkt und über eine Stellrolle 10 geführt ist. Von der Stellrolle 10 verläuft der Faltriemen 8 über eine weitere Umlenkrolle 11 und anschließend über einen ersten Bereich der Faltstation 12 zum in einem zweiten Bereich 13 angeordneten Umlenkrollenbereich, in dem der Faltriemen 8 um drei Umlenkrollen geführt ist (siehe insbesondere Fig. 5). Ab dem zweiten Bereich 13 wird der Faltriemen 8 in einem dritten Bereich 15 über individuell einstellbare Andrückrollen 14 in der Weise geführt, dass er - ausgehend von der Umlenkrolle 11 - über die gesamte Strecke bis zur Zurückführung des Faltriemens 8 um 180° geschwenkt wird. Nach Durchlaufen des im dritten Bereich 15 angeordneten Systems aus mehreren Andrückrollen 14 wird der Faltriemen 8 zur Umlenkrolle 9 im ersten Bereich 12 der Faltstation 3 zurückgeführt.The FIG. 3 shows an isometric view of the guide 7, with the pivoting and collapsing of the side parts is made possible, as a detail from the FIG. 2 in an enlarged view. The guide 7 comprises a Folding belt 8, which is deflected by a deflection roller 9 by 90 ° and guided over a setting roller 10. From the setting roller 10, the folding belt 8 extends over a further deflection roller 11 and then over a first region of the folding station 12 to the arranged in a second region 13 Umlenkrollenbereich in which the folding belt 8 is guided around three pulleys (see in particular Fig. 5 ). From the second region 13 of the folding belt 8 is guided in a third region 15 via individually adjustable pressure rollers 14 in such a way that it - is pivoted from the guide roller 11 - over the entire distance to the return of the folding belt 8 by 180 °. After passing through the system arranged in the third region 15 of a plurality of pressure rollers 14, the folding belt 8 is returned to the deflection roller 9 in the first region 12 of the folding station 3.

Im ersten Bereich 12 wird das zu Beginn der Faltstation flach auf dem Faltriemen 8 aufliegende Seitenteil des Zuschnitts um 90° in die Senkrechte geschwenkt. Hierbei bezieht sich die Senkrechte, die im späteren auch als vertikale Richtung bezeichnet wird, auf die Transportrichtung der Zuschnitte, vom Beginn der Faltstation an der Umlenkrolle 11 bis zum Ende des dritten Bereichs 15.In the first area 12, the side part of the blank lying flat on the folding belt 8 at the beginning of the folding station is pivoted by 90 ° into the vertical. In this case, the vertical, which is also referred to as the vertical direction in the following, refers to the transport direction of the blanks, from the beginning of the folding station on the deflecting roller 11 to the end of the third region 15.

Im ersten Bereich 12 wird der Faltriemen 8 mittels einer Faltweiche 16 um 90° umgelenkt. Durch die Umlenkung des Faltriemens 8 wird auch gleichzeitig das Seitenteil des Zuschnitts um 90° aufgestellt. Das Seitenteil befindet sich somit in einem rechten Winkel zur Ebene der Transportrichtung und steht senkrecht zum Mittelteil des Zuschnitts. Hinter dem ersten Bereich 12 folgt der mittlere Bereich 13, der in diesem Ausführungsbeispiel mit drei Umlenkrollen, der sogenannten Dreierrolle 13', (siehe Fig. 5) ausgeführt ist. Diese Umlenkrollen dienen zur Stabilisierung der Führung des Faltriemens 8. Im hinteren und dritten Bereich 15 der Faltstation 3 wird der Faltriemen 8 über eine Anzahl von Andrückrollen 14 um weitere 90° in Richtung der Ebene des flach aufliegenden Bereichs der Zuschnitte geführt.In the first region 12 of the folding belt 8 is deflected by a folding switch 16 by 90 °. Due to the deflection of the folding belt 8, the side part of the blank is also set up by 90 ° at the same time. The side part is thus at a right angle to the plane of the transport direction and is perpendicular to the central part of the blank. Behind the first region 12 follows the central region 13, which in this embodiment with three deflection rollers, the so-called triple roll 13 ', (see Fig. 5 ) is executed. In the rear and third area 15 of the folding station 3, the folding belt 8 is guided over a number of pressure rollers 14 by a further 90 ° in the direction of the plane of the flat resting area of the blanks.

Erfindungsgemäß ist der Faltriemen 8 zur Faltlinie einstellbar ausgeführt. Hierzu sind Faltweiche 16, Dreierrolle 13' und die Andrückrollen 14 auf einer Linearführung 17 mittels Verstelleinrichtungen 18 gehalten. Durch die Verstelleinrichtungen 18 ist nun erfindungsgemäß die Möglichkeit geschaffen, die Faltweiche 16, die Dreierrolle 13' und die Andrückrollen 14 horizontal und vertikal zu verstellen. Die Verstellung erfolgt in diesem dargestellten Ausführungsbeispiel kraftschlüssig über in Schlitzen 19 angeordnete Schrauben 20, siehe hierzu insbesondere die Figuren 4 und 5. Hierbei ist aus Gründen der Übersichtlichkeit lediglich eine Verstelleinrichtung 18 mit den Bezugszeichen 19, 20 bezeichnet. Es ist natürlich selbstverständlich, dass auch die anderen Verstelleinrichtungen mit Schlitzen 19 und Schrauben 20 versehen sind. Die Faltweiche 16 ist ebenfalls mit Langlöchern 19 versehen. Durch die Aufnahme der Andrückrollen 14 auf einem separaten Schlitten 21, siehe insbesondere Figur 5, ist das Einstellen der Andrückrollen 14 sehr leicht ausführbar. Auch die Dreierrolle 13' und die Faltweiche 16 sind in adäquater Weise gehalten und einstellbar. Deutlich zu erkennen ist die Einstellung über die Schlitze 19 in den Figuren 4 und 5.According to the folding belt 8 is designed to fold line adjustable. For this purpose, Faltweiche 16, triple roll 13 'and the pressure rollers 14 are held on a linear guide 17 by means of adjusting devices 18. By means of the adjusting devices 18, it is now possible according to the invention to adjust the folding switch 16, the triple roller 13 'and the pressure rollers 14 horizontally and vertically. The adjustment takes place in this embodiment shown frictionally over arranged in slots 19 screws 20, see in particular the FIGS. 4 and 5 , For reasons of clarity, only an adjusting device 18 is designated by the reference symbols 19, 20. Of course, it goes without saying that the other adjusting devices are also provided with slots 19 and screws 20. The folding switch 16 is also provided with slots 19. By receiving the pressure rollers 14 on a separate carriage 21, see in particular FIG. 5 , the adjustment of the pressure rollers 14 is very easy to carry out. The triple roll 13 'and the folding switch 16 are held and adjustable in an adequate manner. Clearly visible is the setting on the slots 19 in the FIGS. 4 and 5 ,

Damit der Faltriemen 8 auch direkt im Einführbereich der Zuschnitte optimal an den Seitenteilen der Zuschnitte angreift, ist auch die Stellrolle 10 einstellbar ausgeführt. Der Faltriemen 8 wird über die Umlenkrolle 9 zur Stellrolle 10 geführt. Die Stellrolle 10 kann insbesondere mittels eines Spindeltriebes mit einer Stellschraube 22, die in Richtung des Pfeils P drehbar ist, in ihrer Position verändert werden. Beispielhaft soll die Einstellung an der Figur 6 verdeutlicht werden. Wird mittels der Stellschraube 22 die Stellrolle 10 in ihrer Position verändert, wie mit dem Pfeil M dargestellt, so wandert der Faltriemen 8 über die Umlenkrolle 11 entsprechend in Richtung des Pfeils B. Dadurch ist die Möglichkeit geschaffen, den Faltriemen 8 mit einfachsten Mitteln unmittelbar beim Einführen der Zuschnitte auf den richtigen Angriffspunkt der zu faltenden Seitenteile einzustellen.So that the folding belt 8 also engages optimally directly in the insertion region of the blanks on the side parts of the blanks, and the adjusting roller 10 is made adjustable. The folding belt 8 is guided over the deflection roller 9 to the adjusting roller 10. The adjusting roller 10 can be changed in particular by means of a spindle drive with an adjusting screw 22 which is rotatable in the direction of the arrow P in position. By way of example, the setting on the FIG. 6 be clarified. If by means of the adjusting screw 22, the adjusting roller 10 is changed in position, as shown by the arrow M, the folding belt 8 moves accordingly over the guide roller 11 in the direction of the arrow B. This creates the opportunity, the folding belt 8 with the simplest means directly at Inserting the blanks on the correct point of attack to set the folding side parts.

Die Möglichkeit der Einstellung des Faltriemens 8 bietet den Vorteil, die Faltschachteln im Bereich der Fertigfaltstation 3 optimal falten zu können. Hierbei ist es immer sinnvoll, den Faltriemen 8 möglichst weit entfernt von der Faltlinie oder Rilllinie angreifen zu lassen, um Fehler beim winkelgetreuen Falten, dieser Effekt wird auch als Fish-tailing bezeichnet, so gering wie möglich zu halten und einen optimalen Angriffspunkt zu erhalten. In allen bisher bekannten Faltschachtelklebemaschinen liegt der Angriffspunkt immer in unmittelbarer Nähe direkt an der umzulegenden Rillenlinie. Durch den erfindungsgemäßen Gedanken ist nun die Möglichkeit geschaffen, dass der Faltriemen 8 im vorderen auflaufenden Bereich 12 seitlich verstellbar ist. In der nachfolgenden Faltweiche 16, in der die Verdrehung des Faltriemens 8 von 0° bis 90° geschieht, ist die Faltweiche 16 im vorderen Bereich seitlich und im hinteren Bereich höhenverstellbar befestigt.The possibility of adjusting the folding belt 8 offers the advantage of being able to optimally fold the folding boxes in the area of the unfolding station 3. It is always useful to let the folding belt 8 as far away from the fold line or crease line attack errors in the true-to-angle folding, this effect is also referred to as fish-tailing to keep as low as possible and to obtain an optimal point of attack. In all previously known Faltschachtelklebemaschinen the point is always in the immediate vicinity directly to the umzulegenden groove line. The idea according to the invention now provides the possibility that the folding belt 8 is laterally adjustable in the front leading-up area 12. In the subsequent Faltweiche 16, in which the rotation of the folding belt 8 is done from 0 ° to 90 °, the folding switch 16 is mounted laterally adjustable in the front and in the rear area.

BEZUGSZEICHENLISTELIST OF REFERENCE NUMBERS

11
Einlegerdepositors
22
Vorbrecherprimary crusher
33
Faltstationfolding station
44
Auftragswerk für KlebstoffCommissioned work for glue
55
Überleitstationtransfer station
66
Sammel- und Press-StationCollection and Press Station
77
Führungguide
88th
Faltriemenfolding belts
99
Umlenkrolleidler pulley
1010
Stellrolleadjusting roller
1111
Umlenkrolleidler pulley
1212
erster Bereich der Faltstation 3first area of the folding station 3
1313
zweiter Bereich der Faltstation 3second area of the folding station 3
13'13 '
Dreierrollethree role
1414
Andrückrollecapstan
1515
dritter Bereich der Faltstation 3third area of the folding station 3
1616
FaltweicheFaltweiche
1717
Linearführunglinear guide
1818
Verstellrichtungadjustment
1919
Schlitzslot
2020
Schraubescrew
2121
Schlittencarriage
2222
Stellschraubescrew
BB
Richtungspfeilarrow
MM
Richtungspfeilarrow
PP
Richtungspfeilarrow

Claims (4)

  1. A folding station in a folder gluer for processing a blank transported along a conveying path (12, 13, 15) at a predeterminable speed, the blank being a flat projection of a folding box and having a central part and lateral parts arranged on the sides of the central part to be folded inward towards the longitudinal centre of the blank over a fold line along folding grooves between the central part and the lateral part and finally placed together to form the folding box, the folding station including a folding belt (8) for swivelling and placing together the lateral parts and guided by a folding switch (16), an adjustment roller (10) and one or more deflection (9, 10, 13') and pressure rollers (14), the position of the folding belt (8) in the direction of transport (2) of the blank being adjustable in the vertical and horizontal directions to adjust the distance between the folding belt (8) and the folding line of the blank,
    characterized by
    the facts that the adjustment roller (10) is arranged below a plane of transport, that the folding belt (8) rolls off the adjustment roller (10) to be guided into the plane of transport via a deflection roller (11), the longitudinal axis of the actuating roller (10) being arranged to be offset by 90° relative to the longitudinal axis of the deflection roller (11), and that the adjustment roller (10) is adjustable in a direction transversal to its longitudinal axis.
  2. Folding station according to Claim 1,
    characterized by
    the fact that the folding of the lateral parts of the blanks by the folding belt (8) is achieved up to approximately 90° by means of the folding switch (16) in a first region (12) and the placing together up to 180° by means of the pressure rollers (14) in a third region (15), and that in a second region (13) between the first region (12) and the third region (15) the folding belt (8) is guided by a number of at least three deflection rollers (13').
  3. Folding station according to Claim 2,
    characterized by
    the fact that each of the three regions (12, 13, 15) guiding the folding belt (8) is separately adjustable in the vertical and horizontal directions.
  4. Folding station according to one of Claims 2 to 3,
    characterized by
    the fact that the three regions (12, 13, 15) guiding the folding belt are jointly held on a linear guide (17) in adjustment devices (18).
EP05102769A 2004-05-04 2005-04-08 Folding station with adjustable folding belt Active EP1604812B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004022342A DE102004022342A1 (en) 2004-05-04 2004-05-04 Folding station with adjustable folding belt
DE102004022342 2004-05-04

Publications (2)

Publication Number Publication Date
EP1604812A1 EP1604812A1 (en) 2005-12-14
EP1604812B1 true EP1604812B1 (en) 2011-11-23

Family

ID=34939192

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05102769A Active EP1604812B1 (en) 2004-05-04 2005-04-08 Folding station with adjustable folding belt

Country Status (7)

Country Link
US (1) US7670274B2 (en)
EP (1) EP1604812B1 (en)
JP (1) JP4954490B2 (en)
CN (1) CN1693063B (en)
AT (1) ATE534509T1 (en)
DE (1) DE102004022342A1 (en)
ES (1) ES2375811T3 (en)

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IT1396784B1 (en) * 2009-11-25 2012-12-14 Gingardi EQUIPMENT FOR THE FINISHING OF PRODUCTS LEADING FROM A MACHINE FOR THE BENDING AND GLUING OF PRODUCTS IN CARDBOARD OR CARDBOARD WITH A BACK.
EP2422973B1 (en) 2010-08-31 2013-06-05 Heidelberger Druckmaschinen Aktiengesellschaft Inspection module
EP2422971B1 (en) 2010-08-31 2014-03-26 Heidelberger Druckmaschinen AG Tool holding device
CN102009497B (en) * 2010-10-16 2012-07-25 青岛美光机械有限公司 Semi-automatic box gluing machine
CN103692693B (en) * 2013-11-04 2017-10-31 上海唐彩实业有限公司 A kind of inner foxing shaped device and its forming method about carton forming
DE102014107031A1 (en) 2014-05-19 2015-11-19 Kama Gmbh Folding station and folder gluer
CN106276391A (en) * 2016-08-16 2017-01-04 赵晓旭 For collecting copy paper folding method of card book folding and a paper folder

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Also Published As

Publication number Publication date
US20050221968A1 (en) 2005-10-06
EP1604812A1 (en) 2005-12-14
CN1693058A (en) 2005-11-09
CN1693063B (en) 2010-05-05
ES2375811T3 (en) 2012-03-06
ATE534509T1 (en) 2011-12-15
DE102004022342A1 (en) 2005-11-24
JP2005319779A (en) 2005-11-17
US7670274B2 (en) 2010-03-02
JP4954490B2 (en) 2012-06-13

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