EP2407286A2 - Device for breaking webs, which connect adjacent edges of a blank along a cutting line - Google Patents

Device for breaking webs, which connect adjacent edges of a blank along a cutting line Download PDF

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Publication number
EP2407286A2
EP2407286A2 EP11169911A EP11169911A EP2407286A2 EP 2407286 A2 EP2407286 A2 EP 2407286A2 EP 11169911 A EP11169911 A EP 11169911A EP 11169911 A EP11169911 A EP 11169911A EP 2407286 A2 EP2407286 A2 EP 2407286A2
Authority
EP
European Patent Office
Prior art keywords
blank
shaft
breaking
webs
transport plane
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.)
Granted
Application number
EP11169911A
Other languages
German (de)
French (fr)
Other versions
EP2407286B1 (en
EP2407286A3 (en
Inventor
Wolfgang Diehr
Hans Haverkamp
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.)
Masterwork Machinery Co Ltd
Original Assignee
Heidelberger Druckmaschinen AG
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Filing date
Publication date
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP2407286A2 publication Critical patent/EP2407286A2/en
Publication of EP2407286A3 publication Critical patent/EP2407286A3/en
Application granted granted Critical
Publication of EP2407286B1 publication Critical patent/EP2407286B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1818—Means for removing cut-out material or waste by pushing out
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
    • B26D5/30—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier
    • B26D5/32—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier with the record carrier formed by the work itself
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
    • B26D5/30—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier
    • B26D5/34—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier scanning being effected by a photosensitive device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D2007/1872—Means for removing cut-out material or waste using breakaway pins
    • 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
    • B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B50/20—Cutting sheets or 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
    • B31B50/26—Folding sheets, blanks or webs

Definitions

  • the present invention relates to a device and a method for breaking webs, which hold along a cutting line the adjacent edges of a folding box blank, according to the preamble of claim 1 and claim 8.
  • Folding cartons are space-forming packaging materials that are formed from flat blanks. Since they are very easy to stack, store and transport in their predominant form of use, the cuboid, they are the most widely used packaging material in the industry, in commerce and for individual use. Accordingly, the appearance of boxes is particularly diverse.
  • connecting webs are intended to hold the adjacent edges together and in particular to prevent the blanks from becoming stuck together during further processing.
  • the webs are spaced apart along the cutting line.
  • a device which has a perpendicular to the conveying path extending square profile shaft which is rotatably mounted in the housing above the carton blanks.
  • the square profile shaft has tool receiving elements in which Ausbrechwerkmaschinee can be attached. It is an object of the present invention to provide an inexpensive, alternative device for breaking webs on adjacent edges of folding box blanks, with the reliable breakthrough of the webs is ensured even at high processing speeds, and can be easily adjusted to different carton formats. Furthermore, it should also be possible with the device to move any fields or lobes, which need not necessarily be connected to webs, in a simple manner.
  • the folding box blanks which hold the adjacent edges together by means of webs along a cutting line, are transported on a substantially planar path by means of roller rails and rolling cheeks through the device.
  • a shaft is arranged at right angles to the blank transport plane, which extends over the entire web.
  • the shaft is rotatably mounted on both sides of the box conveyor track in side walls of the device. Stripping tools for breaking the webs are attached to the shaft.
  • the stripping tools are adjustable both transversely and in height.
  • the shaft is arranged below the blank transport plane.
  • This arrangement has the advantage that an already existing shaft of the device, which is normally used for the overfolding of erecting boxes, can now be used for other box molds for accommodating demolition tools for breaking existing webs, also called nicks.
  • the proposed solution is much cheaper because no additional module is required. Therefore, a retrofit on existing machines is easily possible.
  • the stripping tools are finger-shaped.
  • rigid, freely positionable, hold-down elements for the carton blanks are arranged above the blank transport plane. These prevent when breaking the nicks a dodge of the carton blank upwards and thus serve as a counterhold during the break-through process.
  • the shaft is driven by a servo motor.
  • a sensor for detecting the blank edge is located in the conveying path of the box blanks.
  • the sensor and servomotor are connected to a programmable controller.
  • the drive shaft is thus easy to connect with a program for controlling the drive shaft. This allows the operator to easily influence and freely adjust the drive shaft movement. The operator can thus adjust the rotation cycle and position the tool on the box parts. This is particularly advantageous if several box parts are to be broken on a blank. If due to too short Ausbrechabrang the webs the tool can not be brought sufficiently fast in the next breakout position, so by adding another Matterholwelle (two pieces are usually part of Kochholfaltungs nails) this problem can also be solved inexpensively in a simple manner.
  • the web data is entered by the machine operator as a function of the blank leading edge via corresponding dimension inputs in a control menu before the start. Then the machine is started and the first box cut is transported by means of roller rails and trolleys. A sensor detects the leading edge of the carton blank and a program sequence of a programmable controller is started to ensure that the driven shaft with the breakout tool meets at the right time with the web to be breached on the blank to break the web. For this it is necessary that the program is created so that it is possible to enter and save the position to be broken on the blank via corresponding inputs in the operating menu.
  • FIG. 1 is a part of a Faltschachtelklebemaschine with the inventive device 2 for breaking out of box parts 3, 4 in a blank 5 shown.
  • the located in the folding box gluer, controllably rotating Matterholwelle 7, which is driven by a servo motor 8 is equipped with a special, height and laterally freely adjustable, stripping tool 9, which is suitable, the connecting webs 6 of researcherêtden box parts 3, 4 after break out above.
  • the stripping tools 9 are mounted freely adjustable in height in a basic holder 10 already known for overfolding.
  • the base holder 10 is laterally freely adjustable on the Kochholwelle 7 in a known manner.
  • the stripping tools 9 are pins, flat materials or similar suitable tools.
  • the breaking-out tool 9 can be programmatically positioned on the further box parts 3, 4 by means of a further rotation cycle of the overthrust shaft 7.
  • FIGS. 3a to 3h show the separation of connected by webs 6 shieldhyroidden box parts 3, which are located in the front region of the blanks 5.
  • the stripping tool 9 is above the transport plane ( FIGS. 3a and 3b ).
  • the blank 5 is transported via roller rail 11 and roller cheek 12 to the stripping tool 9 in the transport direction 14 to.
  • the box part 3 is moved upwards by the stripping tool 9 against the hold-down elements 13, which are not shown in the detailed views. In this case, the connecting webs 6 are broken open.
  • the blank 5 is transported further ( FIGS. 3e and 3f ).
  • the stripping tool is still above the transport plane and holds the broken box part 3 upwards, so that it can be detected by known folding elements 16. Now the breaking-out tool 9 emerges by a program-controlled rotational movement of the overtaking shaft 7 (FIG. Figures 3g and 3h ) below the transport level. The blank 5 can pass unhindered the Ausbrechstelle. At the same time the broken box part 3 is folded over by the folding elements 16 in the direction of folding 17.
  • FIGS. 4a to 4h show an alternative method for separating, connected by webs 6, spatialroisde, box parts 3, which are located in the front region of the blanks 5.
  • the stripping tool 9 is maintained at the transport level ( FIGS. 4a and 4b ).
  • the blank 5 is transported via roller rail 11 and roller cheek 12 to the stripping tool 9 in the transport direction 14 to.
  • the box part 3 Figures 4c and 4d
  • the stripping tool 9 is rotated by a program-controlled rotational movement of the Studentsholwelle 7 upwards and thus passes above the transport plane.
  • the connecting webs are broken and the investigahyroidde box part 3 moves upward.
  • the blank 5 is transported further ( FIGS.
  • the stripping tool 9 is in this case synchronously rotated with the blanking movement until the broken box part 3 is detected by known folding elements 16. Then the stripping tool 9 dives below the transport plane. The blank 5 can pass unhindered the Ausbrechstelle. At the same time the broken box part 3 is folded over by the folding elements 16 in the direction of folding 17.
  • FIGS. 5a to 5h show a method for the separation of connected by webs 6, interference mecanicde box parts 4, which are located in the rear portions of the blanks 5.
  • the stripping tool 9 is below the transport plane ( FIGS. 5a and 5b ).
  • the blank 5 is transported over the stripping tool 9 away.
  • the stripping tool 9 is rotated by a program-controlled rotational movement of the Studentsholwelle 7 upwards and thus passes above the transport plane.
  • the connecting webs 6 are broken and the investiga proceedingsde box part 4 moves upward.
  • the blank 5 is transported further ( FIGS. 5a and 5f ).
  • the stripping tool 9 is in this case synchronously rotated with the cutting movement until the broken box part 4 is detected by known folding elements 16. Then the stripper 9 dives again below the transport plane. The broken box part 4 is folded over by the known folding elements 16 in the folding direction 17.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Abstract

The device (2) has a rectangular shaft (7) extended toward a blank transport plane over entire path and rotatably supported at sidewalls of the device at two sides of a case conveying path. A finger-shaped stripping tool (9) is attached at the shaft, and is adjusted transversely. The shaft is arranged below the blank transport plane. Rigid suppression elements (13) for a case blank (5) are arranged above the blank transport plane and freely positioned. The shaft is driven by a servo motor (8). A sensor (15) and the servo motor are connected by a programmable control. An independent claim is also included for a method for breaking bars.

Description

Die vorliegende Erfindung betrifft eine Vorrichtung und ein Verfahren zum Durchbrechen von Stegen, die entlang einer Schnittlinie die benachbarten Kanten eines Faltschachtelzuschnitts zusammenhalten, gemäß dem Oberbegriff von Anspruch 1 und Anspruch 8.The present invention relates to a device and a method for breaking webs, which hold along a cutting line the adjacent edges of a folding box blank, according to the preamble of claim 1 and claim 8.

Faltschachteln sind raumbildende Packmittel, die aus ebenen Zuschnitten geformt werden. Da sie in ihrer überwiegenden Gebrauchsform, dem Quader, sehr gut zu stapeln, zu lagern und zu transportieren sind, sind sie das verbreitetste Packmittel in der Industrie, im Handel und für den individuellen Gebrauch. Dem entsprechend ist die Erscheinungsform von Schachteln besonders vielfältig.Folding cartons are space-forming packaging materials that are formed from flat blanks. Since they are very easy to stack, store and transport in their predominant form of use, the cuboid, they are the most widely used packaging material in the industry, in commerce and for individual use. Accordingly, the appearance of boxes is particularly diverse.

Für einige Faltschachtelzuschnitte ist es vorteilhaft und teilweise sogar notwendig, während des Stanzvorganges kleine Verbindungsstege entlang der Schnittlinie benachbarter Kanten übrig zu lassen. Diese Verbindungsstege, meist in Form von punktförmigen Verbindungen, sollen die benachbarten Kanten zusammenhalten und insbesondere verhindern, dass die Zuschnitte bei der Weiterverarbeitung aneinander hängen bleiben. Die Stege sind entlang der Schnittlinie voneinander beabstandet angeordnet.For some folding carton blanks, it is advantageous and sometimes even necessary to leave small connecting webs along the cutting line of adjacent edges during the stamping process. These connecting webs, usually in the form of punctiform connections, are intended to hold the adjacent edges together and in particular to prevent the blanks from becoming stuck together during further processing. The webs are spaced apart along the cutting line.

Beim Verarbeiten derartiger Faltschachtelzuschnitte in einer Faltschachtelklebemaschine ist es notwendig, dass die Verbindungsstege vor der Durchführung der Falt- und Klebevorgänge der Zuschnitte getrennt werden. Hierzu ist es aus der EP 1 138 454 B1 bekannt, die Stege mit Scherwerkzeugen, die sich auf parallelen Wellen befinden, abzuscheren.When processing such carton blanks in a folder gluer, it is necessary that the connecting webs be separated prior to performing the folding and gluing operations of the blanks. For this it is from the EP 1 138 454 B1 known to shear the webs with shearing tools, which are located on parallel shafts.

Aus der EP 1 961 526 A1 ist eine Vorrichtung bekannt, die eine sich rechtwinklig zur Beförderungsbahn erstreckende Vierkantprofilwelle aufweist, die oberhalb der Schachtelzuschnitte drehbar im Gehäuse gelagert ist. Die Vierkantprofilwelle weist Werkzeugaufnahmeelemente auf, in denen Ausbrechwerkzeuge befestigt werden können. Es ist Aufgabe der vorliegenden Erfindung eine kostengünstige, alternative Vorrichtung zum Durchbrechen von Stegen an benachbarten Kanten von Faltschachtelzuschnitten zu schaffen, mit der ein zuverlässiges Durchbrechen der Stege auch bei hohen Verarbeitungsgeschwindigkeiten gewährleistet ist, und die leicht auf unterschiedliche Faltschachtelformate eingestellt werden kann. Des Weiteren soll mit der Vorrichtung auch das Umlegen von beliebig angeordneten Feldern oder Lappen, die nicht zwangsläufig mit Stegen verbunden sein müssen, auf einfache Weise ermöglicht werden.From the EP 1 961 526 A1 a device is known, which has a perpendicular to the conveying path extending square profile shaft which is rotatably mounted in the housing above the carton blanks. The square profile shaft has tool receiving elements in which Ausbrechwerkzeuge can be attached. It is an object of the present invention to provide an inexpensive, alternative device for breaking webs on adjacent edges of folding box blanks, with the reliable breakthrough of the webs is ensured even at high processing speeds, and can be easily adjusted to different carton formats. Furthermore, it should also be possible with the device to move any fields or lobes, which need not necessarily be connected to webs, in a simple manner.

Gelöst wird diese Aufgabe durch eine Vorrichtung mit den Merkmalen des kennzeichnenden Teils von Anspruch 1 und einem Verfahren gemäß den Verfahrensschritten von Anspruch 8.This object is achieved by a device having the features of the characterizing part of claim 1 and a method according to the method steps of claim 8.

In einer bevorzugten Ausführungsform werden die Faltschachtelzuschnitte, die mittels Stegen entlang einer Schnittlinie die benachbarten Kanten zusammenhalten, auf einer im Wesentlichen ebenen Bahn mittels Rollschienen und Rollwangen durch die Vorrichtung transportiert. In der Vorrichtung ist rechtwinklig zur Zuschnitttransportebene eine Welle angeordnet, die sich über die ganze Bahn erstreckt. Die Welle ist beidseits der Schachtelförderungsbahn in Seitenwänden der Vorrichtung drehbar gelagert. An der Welle sind Ausbrechwerkzeuge zum Durchbrechen der Stege befestigt. Die Ausbrechwerkzeuge sind sowohl quer als auch in der Höhe verstellbar. Die Welle ist unterhalb der Zuschnitttransportebene angeordnet. Diese Anordnung hat den Vorteil, dass eine bereits vorhandene Welle der Vorrichtung, die normalerweise für die Überholfaltung von Aufrichteschachteln verwendet wird, nun für andere Schachtelformen zum Aufnehmen von Ausbrechwerkzeugen zum Durchbrechen vorhandener Stege, auch Nicks genannt, verwendet werden kann. Die vorgeschlagene Lösung ist wesentlich kostengünstiger, da kein zusätzliches Modul erforderlich ist. Deshalb ist auch eine Nachrüstung bei vorhandenen Maschinen problemlos möglich.In a preferred embodiment, the folding box blanks, which hold the adjacent edges together by means of webs along a cutting line, are transported on a substantially planar path by means of roller rails and rolling cheeks through the device. In the device, a shaft is arranged at right angles to the blank transport plane, which extends over the entire web. The shaft is rotatably mounted on both sides of the box conveyor track in side walls of the device. Stripping tools for breaking the webs are attached to the shaft. The stripping tools are adjustable both transversely and in height. The shaft is arranged below the blank transport plane. This arrangement has the advantage that an already existing shaft of the device, which is normally used for the overfolding of erecting boxes, can now be used for other box molds for accommodating demolition tools for breaking existing webs, also called nicks. The proposed solution is much cheaper because no additional module is required. Therefore, a retrofit on existing machines is easily possible.

In einer bevorzugten Ausführungsform sind die Ausbrechwerkzeuge fingerförmig ausgebildet.In a preferred embodiment, the stripping tools are finger-shaped.

In einer besonders bevorzugten Ausführungsform sind oberhalb der Zuschnitttransportebene starre, frei positionierbare, Niederhalteelemente für die Schachtelzuschnitte angeordnet. Diese verhindern beim Durchbrechen der Nicks ein Ausweichen des Schachtelzuschnitts nach oben und dienen so als Gegenhalter beim Durchbrechvorgang.In a particularly preferred embodiment, rigid, freely positionable, hold-down elements for the carton blanks are arranged above the blank transport plane. These prevent when breaking the nicks a dodge of the carton blank upwards and thus serve as a counterhold during the break-through process.

In einer weiteren bevorzugten Ausführungsform wird die Welle über einen Servomotor angetrieben. Des Weiteren befindet sich in der Beförderungsbahn der Schachtelzuschnitte ein Sensor zur Erkennung der Zuschnittvorderkante. Der Sensor und der Servomotor sind mit einer programmierbaren Steuerung verbunden. Vorteilhafterweise ist die Antriebswelle somit einfach mit einem Programm zur Ansteuerung der Antriebswelle zu verbinden. Hierdurch kann der Bediener die Antriebswellenbewegung leicht beeinflussen und frei einstellen. Der Bediener kann somit den Rotationszyklus einstellen und das Werkzeug auf die Schachtelteile positionieren. Dies ist insbesondere vorteilhaft, wenn auf einem Zuschnitt mehrere Schachtelteile auszubrechen sind. Sollte aufgrund zu kurzer Ausbrechabstände der Stege das Werkzeug nicht ausreichend schnell in die nächste Ausbrechposition gebracht werden können, so kann durch Hinzunahme einer weiteren Überholwelle (zwei Stück sind üblicherweise Bestandteil der Überholfaltungseinrichtung) dieses Problem ebenfallsauf einfache Art und Weise kostengünstig gelöst werden.In a further preferred embodiment, the shaft is driven by a servo motor. Furthermore, a sensor for detecting the blank edge is located in the conveying path of the box blanks. The sensor and servomotor are connected to a programmable controller. Advantageously, the drive shaft is thus easy to connect with a program for controlling the drive shaft. This allows the operator to easily influence and freely adjust the drive shaft movement. The operator can thus adjust the rotation cycle and position the tool on the box parts. This is particularly advantageous if several box parts are to be broken on a blank. If due to too short Ausbrechabstände the webs the tool can not be brought sufficiently fast in the next breakout position, so by adding another Überholwelle (two pieces are usually part of Überholfaltungseinrichtung) this problem can also be solved inexpensively in a simple manner.

In einem besonders vorteilhaften Verfahren werden die Stegdaten in Abhängigkeit von der Zuschnittvorderkante über entsprechende Maßeingaben in einem Bedienmenue vor dem Start vom Maschinenbediener eingegeben. Danach wird die Maschine gestartet und der erste Schachtelzuschnitt mittels Rollschienen und Rollwagen transportiert. Ein Sensor detektiert die Vorderkante des Schachtelzuschnitts und ein Programmablauf einer programmierbaren Steuerung wird gestartet, der sicherstellt, dass die angetriebene Welle mit dem Ausbrechwerkzeug zum richtigen Zeitpunkt mit dem zu durchbrechenden Steg am Zuschnitt zusammenkommt, um den Steg zu durchbrechen. Dazu ist es erforderlich, dass das Programm so erstellt ist, dass es möglich ist, die auszubrechende Position auf dem Zuschnitt über entsprechende Eingaben in dem Bedienmenue einzugeben und abzuspeichern.In a particularly advantageous method, the web data is entered by the machine operator as a function of the blank leading edge via corresponding dimension inputs in a control menu before the start. Then the machine is started and the first box cut is transported by means of roller rails and trolleys. A sensor detects the leading edge of the carton blank and a program sequence of a programmable controller is started to ensure that the driven shaft with the breakout tool meets at the right time with the web to be breached on the blank to break the web. For this it is necessary that the program is created so that it is possible to enter and save the position to be broken on the blank via corresponding inputs in the operating menu.

Weitere vorteilhafte Ausführungsformen er Erfindung werden anhand der nachfolgenden Figuren dargestellt.Further advantageous embodiments of the invention are illustrated by the following figures.

Es zeigen im Einzelnen:

Figur 1
zeigt einen Teil einer Faltschachtelklebemaschine mit der erfindungsgemäßen Vorrichtung zum Ausbrechen von Schachtelteilen
Figur 2
Schachtel mit auszubrechenden Teilen und Stegen
Figuren 3a - 3h
zeigen die Detailansicht eines erfindungsgemäßen Ausbrechvorganges für einen vorderen auszubrechenden Schachtelteil
Figuren 4a - 4h
zeigen die Detailansicht eines alternativen erfindungsgemäßen Ausbrechvorganges für einen vorderen auszubrechenden Schachtelteil
Figuren 5a - 5h
zeigen die Detailansicht eines erfindungsgemäßen Ausbrechvorgangs für einen hinteren auszubrechenden Schachtelteil
They show in detail:
FIG. 1
shows a part of a folding box gluing machine with the device according to the invention for breaking out box parts
FIG. 2
Box of parts and bars to break out
FIGS. 3a-3h
show the detailed view of a Ausbrechvorganges invention for a front auszubrechenden box part
FIGS. 4a-4h
show a detailed view of an alternative Ausbrechvorganges invention for a front auszubrechenden box part
FIGS. 5a-5h
show the detailed view of a breaking-out process according to the invention for a rear auszubrechenden box part

In Figur 1 ist ein Teil einer Faltschachtelklebemaschine mit der erfindungsgemäßen Vorrichtung 2 zum Ausbrechen von Schachtelteilen 3, 4 in einem Zuschnitt 5 dargestellt. Die in der Faltschachtelklebemaschine befindliche, steuerbar rotierende Überholwelle 7, die von einem Servomotor 8 angetrieben wird, wird mit einem speziellen, in der Höhe und seitlich frei einstellbaren, Ausbrechwerkzeug 9 bestückt, welches geeignet ist, die Verbindungsstege 6 von auszubrechenden Schachtelteilen 3, 4 nach oben auszubrechen. Die Ausbrechwerkzeuge 9 sind in einem bereits für die Überholfaltung bekannten Grundhalter 10 frei in der Höhe einstellbar befestigt. Der Grundhalter 10 ist über der Überholwelle 7 in bekannter Weise seitlich frei einstellbar. Bei den Ausbrechwerkzeugen 9 handelt es sich um Stifte, Flachmaterialien oder ähnlich geeignete Werkzeuge. Bei Rotation der Überholwelle 7 ragen die Ausbrechwerkzeuge 9 über die Transportebene hinaus, um die Verbindungsstege 6 in der Schnittlinie 19 der auszubrechenden Schachtelteile 3, 4 eines Zuschnitts 5 (Fig. 2) zu durchbrechen und den auszubrechenden Schachtelteil entlang der Rilllinie 18 anzuheben. Der Zuschnitt 5 wird bei dem Ausbrechvorgang von Niederhalteelementen 13 in der Transportebene gehalten. Der Zuschnitt 5 wird dabei zwischen Rollschiene 11 und Rollenwange 12 in Transportrichtung 14 transportiert. Dabei wird die Vorderkante des Zuschnitts 5 durch einen Sensor 15, beispielsweise einer Lichtschranke, erkannt und ein Programmablauf gestartet, der sicherstellt, dass die angetrieben Überholwelle 7 mit dem Ausbrechwerkzeug 9 zum richtigen Zeitpunkt mit der auszubrechenden Stelle am Zuschnitt zusammenkommt, um den Ausbrechvorgang durchzuführen. Hierbei werden die Zuschnitte 5, wie bereits erwähnt, von Niederhalteelementen 13 gehalten, um so einen entsprechenden Gegendruck zum Ausbrechwerkzeug zu bilden.In FIG. 1 is a part of a Faltschachtelklebemaschine with the inventive device 2 for breaking out of box parts 3, 4 in a blank 5 shown. The located in the folding box gluer, controllably rotating Überholwelle 7, which is driven by a servo motor 8 is equipped with a special, height and laterally freely adjustable, stripping tool 9, which is suitable, the connecting webs 6 of auszubrechenden box parts 3, 4 after break out above. The stripping tools 9 are mounted freely adjustable in height in a basic holder 10 already known for overfolding. The base holder 10 is laterally freely adjustable on the Überholwelle 7 in a known manner. The stripping tools 9 are pins, flat materials or similar suitable tools. Upon rotation of the Überholwelle 7 protrude the Ausbrechwerkzeuge 9 beyond the transport plane to the connecting webs 6 in the section line 19 of auszubrechenden box parts 3, 4 of a blank 5 ( Fig. 2 ) to break and the break out Box part along the score line 18 to lift. The blank 5 is held in the Ausbrechvorgang of hold-down elements 13 in the transport plane. The blank 5 is transported between roller rail 11 and roller cheek 12 in the transport direction 14. In this case, the front edge of the blank 5 is detected by a sensor 15, such as a light barrier, and a program started, which ensures that the driven Überholwelle 7 comes together with the stripping tool 9 at the right time with the point to be broken on the blank to perform the breaking process. Here, the blanks 5, as already mentioned, held by hold-down elements 13, so as to form a corresponding back pressure to the stripping tool.

Sollten auf einem Zuschnitt 5 mehrere Schachtelteile 3, 4 auszubrechen sein, so kann durch einen weiteren Rotationszyklus der Überholwelle 7 das Ausbrechwerkzeug 9 auf die weiteren Schachtelteile 3, 4 programmgesteuert positioniert werden.If several box parts 3, 4 are to be broken on a blank 5, the breaking-out tool 9 can be programmatically positioned on the further box parts 3, 4 by means of a further rotation cycle of the overthrust shaft 7.

Der Ausbrechvorgang für auszubrechende vordere 3 und hintere 4 Schachtelteile ist in den Detaildarstellungen der Figuren 3, 4 und 5 näher dargestellt. In diesen sind der besseren Übersichtlichkeit wegen die Niederhalter 13 und Sensoren 15 nicht dargestellt.The break-out process for auszubrechende front 3 and rear 4 box parts is in the detailed representations of Figures 3 . 4 and 5 shown in more detail. In these, the hold-down 13 and sensors 15 are not shown for the sake of clarity.

Die Figuren 3a bis 3h zeigen das Trennen von durch Stege 6 verbundenen auszubrechenden Schachtelteilen 3, die sich im vorderen Bereich der Zuschnitte 5 befinden. Das Ausbrechwerkzeug 9 steht oberhalb der Transportebene (Figuren 3a und 3b). Der Zuschnitt 5 wird über Rollschiene 11 und Rollenwange 12 auf das Ausbrechwerkzeug 9 in Transportrichtung 14 zu transportiert. Sobald das auszubrechende vordere Schachtelteil 3 auf das Ausbrechwerkzeug 9 trifft (Figuren 3c und 3d) wird der Schachtelteil 3 durch das Ausbrechwerkzeug 9 nach oben bewegt gegen die in den Detailansichten nicht dargestellten Niederhalteelemente 13. Hierbei werden die Verbindungsstege 6 aufgebrochen. Der Zuschnitt 5 wird weiter transportiert (Figuren 3e und 3f). Das Ausbrechwerkzeug steht immer noch oberhalb der Transportebene und hält den ausgebrochenen Schachtelteil 3 nach oben, so dass es von bekannten Faltelementen 16 erfasst werden kann. Nun taucht das Ausbrechwerkzeug 9 durch eine programmgesteuerte Rotationsbewegung der Überholwelle 7 (Figuren 3g und 3h) unter die Transportebene ab. Der Zuschnitt 5 kann die Ausbrechstelle ungehindert passieren. Gleichzeitig wird der ausgebrochenen Schachtelteil 3 durch die Faltelemente 16 in Faltrichtung 17 umgefaltet.The FIGS. 3a to 3h show the separation of connected by webs 6 auszubrechenden box parts 3, which are located in the front region of the blanks 5. The stripping tool 9 is above the transport plane ( FIGS. 3a and 3b ). The blank 5 is transported via roller rail 11 and roller cheek 12 to the stripping tool 9 in the transport direction 14 to. Once the auszubrechende front box part 3 on the stripping tool 9 ( Figures 3c and 3d ), the box part 3 is moved upwards by the stripping tool 9 against the hold-down elements 13, which are not shown in the detailed views. In this case, the connecting webs 6 are broken open. The blank 5 is transported further ( FIGS. 3e and 3f ). The stripping tool is still above the transport plane and holds the broken box part 3 upwards, so that it can be detected by known folding elements 16. Now the breaking-out tool 9 emerges by a program-controlled rotational movement of the overtaking shaft 7 (FIG. Figures 3g and 3h ) below the transport level. The blank 5 can pass unhindered the Ausbrechstelle. At the same time the broken box part 3 is folded over by the folding elements 16 in the direction of folding 17.

Die Figuren 4a bis 4h zeigen ein alternatives Verfahren für das Trennen von durch Stege 6 verbundene, auszubrechende, Schachtelteile 3, die sich im vorderen Bereich der Zuschnitte 5 befinden. Das Ausbrechwerkzeug 9 steht unterhalt der Transportebene (Figuren 4a und 4b). Der Zuschnitt 5 wird über Rollschiene 11 und Rollenwange 12 auf das Ausbrechwerkzeug 9 in Transportrichtung 14 zu transportiert. Sobald der auszubrechende Schachtelteil 3 (Figuren 4c und 4d) über das Ausbrechwerkzeug 9 fährt, wird das Ausbrechwerkzeug 9 durch eine programmgesteuerte Rotationsbewegung der Überholwelle 7 nach oben gedreht und gelangt somit oberhalb der Transportebene. Hierbei werden die Verbindungsstege aufgebrochen und das auszubrechende Schachtelteil 3 nach oben bewegt. Der Zuschnitt 5 wird weitertransportiert (Figuren 4e und 4f), Das Ausbrechwerkzeug 9 wird hierbei synchron zur Zuschnittbewegung mit gedreht, bis das ausgebrochene Schachtelteil 3 von bekannten Faltelementen 16 erfasst wird. Dann taucht das Ausbrechwerkzeug 9 unter die Transportebene ab. Der Zuschnitt 5 kann die Ausbrechstelle ungehindert passieren. Gleichzeitig wird der ausgebrochene Schachtelteil 3 durch die Faltelemente 16 in Faltrichtung 17 umgefaltet.The FIGS. 4a to 4h show an alternative method for separating, connected by webs 6, auszubrechende, box parts 3, which are located in the front region of the blanks 5. The stripping tool 9 is maintained at the transport level ( FIGS. 4a and 4b ). The blank 5 is transported via roller rail 11 and roller cheek 12 to the stripping tool 9 in the transport direction 14 to. As soon as the box part 3 ( Figures 4c and 4d ) drives over the stripping tool 9, the stripping tool 9 is rotated by a program-controlled rotational movement of the Überholwelle 7 upwards and thus passes above the transport plane. Here, the connecting webs are broken and the auszubrechende box part 3 moves upward. The blank 5 is transported further ( FIGS. 4e and 4f ), The stripping tool 9 is in this case synchronously rotated with the blanking movement until the broken box part 3 is detected by known folding elements 16. Then the stripping tool 9 dives below the transport plane. The blank 5 can pass unhindered the Ausbrechstelle. At the same time the broken box part 3 is folded over by the folding elements 16 in the direction of folding 17.

Die Figuren 5a bis 5h zeigen ein Verfahren für das Trennen für durch Stege 6 verbundene, auszubrechende Schachtelteile 4, die sich im hinteren Bereiche der Zuschnitte 5 befinden. Das Ausbrechwerkzeug 9 steht unterhalb der Transportebene (Figuren 5a und 5b). Der Zuschnitt 5 wird über das Ausbrechwerkzeug 9 hinweg transportiert. Sobald der auszubrechende Schachtelteil 4 über das Ausbrechwerkzeug 9 fährt (Figuren 5c und 5d), wird das Ausbrechwerkzeug 9 durch eine programmgesteuerte Rotationsbewegung der Überholwelle 7 nach oben gedreht und gelangt somit oberhalb der Transportebene. Hierbei werden die Verbindungsstege 6 aufgebrochen und das auszubrechende Schachtelteil 4 nach oben bewegt. Der Zuschnitt 5 wird weitertransportiert (Figuren 5a und 5f). Das Ausbrechwerkzeug 9 wird hierbei synchron zur Zuschnittbewegung mit gedreht, bis das ausgebrochene Schachtelteil 4 von bekannten Faltelementen 16 erfasst wird. Dann taucht das Ausbrechwerkzeug 9 wieder unter die Transportebene ab. Das ausgebrochene Schachtelteil 4 wird durch die bekannten Faltelemente 16 in Faltrichtung 17 umgefaltet.The FIGS. 5a to 5h show a method for the separation of connected by webs 6, auszubrechende box parts 4, which are located in the rear portions of the blanks 5. The stripping tool 9 is below the transport plane ( FIGS. 5a and 5b ). The blank 5 is transported over the stripping tool 9 away. As soon as the box part 4 to be broken out moves over the stripping tool 9 ( FIGS. 5c and 5d ), the stripping tool 9 is rotated by a program-controlled rotational movement of the Überholwelle 7 upwards and thus passes above the transport plane. Here, the connecting webs 6 are broken and the auszubrechende box part 4 moves upward. The blank 5 is transported further ( FIGS. 5a and 5f ). The stripping tool 9 is in this case synchronously rotated with the cutting movement until the broken box part 4 is detected by known folding elements 16. Then the stripper 9 dives again below the transport plane. The broken box part 4 is folded over by the known folding elements 16 in the folding direction 17.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Faltschachtelklebemaschinegluer
22
Vorrichtungcontraption
33
auszubrechendes Schachtelteil vornebox part to break out in front
44
auszubrechendes Schachtelteil hintenbox part to be broken out at the back
55
Zuschnittcut
66
Verbindungsstege /Nicks)Connecting bridges / nicks)
77
ÜberholwelleÜberholwelle
88th
Servomotorservomotor
99
AusbrechwerkezeugAusbrechwerkezeug
1010
Grundhalterbase holder
1111
Rollschieneroll bar
1212
Rollenwangeroller cheek
1313
NiederhalteelementDown member
1414
Transportrichtungtransport direction
1515
Sensorsensor
1616
Faltelementfolding member
1717
Faltrichtungfolding direction
1818
Rillliniegrooved line
1919
Schnittlinieintersection

Claims (8)

Vorrichtung (2) zum Durchbrechen von Stegen (6), die entlang einer Schnittlinie (19) die benachbarten Kanten eines Zuschnitts (5) zusammenhalten, während ihres Transportes durch Rollschiene (11) und Rollenwange (12) auf einer im Wesentlichen ebenen Bahn, mit einer rechtwinklig sich zur Zuschnitttransportebene über die ganze Bahn erstreckenden Welle (7), die beiderseits der Schachtelbeförderungsbahn in Seitenwänden der Vorrichtung drehbar gelagert ist, wobei an der Welle Ausbrechwerkzeuge (9) befestigt werden können, die sowohl quer als auch in der Höhe verstellbar sind,
dadurch gekennzeichnet,
dass die Welle (7) unterhalb der Zuschnitttransportebene angeordnet ist.Device (2) for breaking webs (6) along a cutting line (19) holding the adjacent edges of a blank (5) together during their transport through the roller rail (11) and roller cheek (12) in a substantially planar path a shaft (7) extending at right angles to the blank transport plane over the entire web and rotatably mounted on both sides of the carton conveying path in side walls of the device, it being possible to fasten to the shaft breaking tools (9) which are adjustable both transversely and vertically,
characterized,
that the shaft (7) is arranged below the blank transport plane. Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
dass die Ausbrechwerkzeuge (9) fingerförmig sind.Device according to claim 1,
characterized,
that the stripping tools (9) are finger-shaped. Vorrichtung nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
dass oberhalb der Zuschnitttransportebene frei positionierbare, starre Niederhalteelemente (13) für die Schachtelzuschnitte (5) angeordnet sind.Apparatus according to claim 1 or 2,
characterized,
that freely positionable, rigid hold-down elements (13) for the carton blanks (5) are arranged above the blank transport plane. Vorrichtung nach mindestens einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass die Welle (7) über einen Servomotor (8) angerieben wird.Device according to at least one of the preceding claims,
characterized,
that the shaft (7) via a servo motor (8) is ground. Vorrichtung nach mindestens einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass in der Beförderungsbahn der Schachtelzuschnitte (5) ein Sensor (15) zur Erkennung der Zuschnittvorderkante angeordnet ist.Device according to at least one of the preceding claims,
characterized,
in that a sensor (15) for detecting the blank front edge is arranged in the conveying path of the box blanks (5). Vorrichtung nach Anspruch 5,
dadurch gekennzeichnet,
dass der Sensor (15) und der Servomotor (8) mit einer programmierbaren Steuerung verbunden sind.Device according to claim 5,
characterized,
in that the sensor (15) and the servomotor (8) are connected to a programmable controller. Vorrichtung nach mindestens einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass die Welle (7) die gleiche Welle ist, an der auch die Werkzeuge für Überholfaltungen angebracht werden können.Device according to at least one of the preceding claims,
characterized,
that the shaft (7) is the same shaft on which the tools for overfolding can be attached. Verfahren zum Durchbrechen von Stegen (6), die entlang einer Schnittlinie (19) die benachbarten Kanten eines Faltschachtelzuschnitts (5) zusammenhalten, gekennzeichnet durch die folgenden Schritte: a) Transport der Schachtelzuschnitte mittels Rollschienen (11) und Rollenwangen (17) b) Abtasten der Vorderkante des Zuschnitts mittels eines Sensors (15) c) Weiterleiten des Abtastsignals an eine programmierbare Steuerung d) Starten der Antriebswelle zum Durchbrechen der Stege (6) in Abhängigkeit des Abtastsignals des Sensors (15) und der gespeicherten Stegdaten in der programmierbaren Steuerung A method of breaking webs (6) which along a cutting line (19) hold together the adjacent edges of a carton blank (5), characterized by the following steps: a) Transport of the box blanks by means of roller rails (11) and roller cheeks (17) b) scanning the leading edge of the blank by means of a sensor (15) c) forwarding the scanning signal to a programmable controller d) starting the drive shaft for breaking the webs (6) as a function of the scanning signal of the sensor (15) and the stored web data in the programmable controller
EP11169911.2A 2010-07-14 2011-06-15 Device for breaking webs, which connect adjacent edges of a blank along a cutting line Active EP2407286B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010027120A DE102010027120A1 (en) 2010-07-14 2010-07-14 Ausbrecheinrichtung

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CN (1) CN102336033B (en)
DE (1) DE102010027120A1 (en)

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Also Published As

Publication number Publication date
CN102336033B (en) 2014-08-20
EP2407286B1 (en) 2017-04-12
CN102336033A (en) 2012-02-01
DE102010027120A1 (en) 2012-01-19
EP2407286A3 (en) 2012-05-23

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