EP0504114B1 - Device for inserting documents in envelope - Google Patents

Device for inserting documents in envelope Download PDF

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Publication number
EP0504114B1
EP0504114B1 EP92810180A EP92810180A EP0504114B1 EP 0504114 B1 EP0504114 B1 EP 0504114B1 EP 92810180 A EP92810180 A EP 92810180A EP 92810180 A EP92810180 A EP 92810180A EP 0504114 B1 EP0504114 B1 EP 0504114B1
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EP
European Patent Office
Prior art keywords
envelope
transport
packing
packing trap
trap
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 - Lifetime
Application number
EP92810180A
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German (de)
French (fr)
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EP0504114A1 (en
Inventor
Peter Kern
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.)
Kern AG
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Kern AG
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Publication date
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Publication of EP0504114B1 publication Critical patent/EP0504114B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/26—Separating articles from piles by separators engaging folds, flaps, or projections of articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43M—BUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR
    • B43M3/00—Devices for inserting documents into envelopes
    • B43M3/04—Devices for inserting documents into envelopes automatic
    • B43M3/045—Devices for inserting documents into envelopes automatic for envelopes with only one flap

Definitions

  • the present invention relates to an inserting device with a container for empty envelopes and a method for operating this inserting device.
  • an inserting device with a container for empty envelopes which has a rotatably mounted envelope opening element arranged below the container for opening the envelope flap and first rotatable transport elements for transporting the envelope to a packing bag and at least partially opening it has on the packing bag, as well as transport elements for inserting the envelope contents into the packing bag and transport elements for the further transport of the packaged envelope.
  • the inserting device or the inserting module forms the central part of an inserting machine.
  • the flap 2 of the bottom envelope 3 is opened with one of three opening claws 5, 6 or 7 arranged on a shaft 4 from a vertical stack 1 of empty and unsealed envelopes which are arranged with their bent flap downwards.
  • the flap 2 is gripped by two transport elements 8, 9 and pressed against two transport rollers 10, 11.
  • the transport members 8, 9 and the transport rollers 10, 11 have the same peripheral speed.
  • the opening claws 5, 6 and 7 and the transport members 8 and 9 are on the same shaft 4 arranged, but independently supported and driven. In order to avoid damage to the envelope by the opening claws 5, 6 and 7, ie perforation of the flap, at high processing speeds, the opening claws 5, 6 and 7 rotate in an integer ratio more slowly than the transport members 8 and 9.
  • the opening claws 5, 6 and 7 are regularly arranged on the circumference.
  • the number of opening claws and thus the speed ratio of opening claws: transport elements depends on the envelopes used.
  • the opening claws are only triggered by a clutch 12 when packaging is to be made.
  • the transport members 8, 9 and transport rollers 10, 11 run continuously.
  • hold-down devices 14 and 15 ensure that the envelope is guided along a guide plate 16.
  • Two further pairs of transport rollers 17, 18; 19, 20 guarantee the safe transport of the envelope.
  • the bag 13 begins to pivot toward the envelope about a pivot point 22.
  • the linear movement of the hold-down roller 21 and the pivoting movement of the bag 13 are controlled by a curve 23 and transmitted to the hold-down roller and the bag by a lever system 24, 25, 26, 27, 28, 29.
  • transport rollers 30 begin to transport the envelope into the end position on the bag 13 (see also FIG. 5).
  • the packing bag 13 swings down and the hold-down roller 21 is moved up.
  • the prepared envelope content 38 is conveyed into the packing bag on a feed plate 60 from the opposite side, transported by transport fingers 34 attached to a toothed belt 33 guided over rollers 31 and 32 (see also FIG. 6 ).
  • On the upper side of the bag there are lugs 35 and 36 so that the transport fingers 34 do not line up with the envelope flap 2.
  • the end 37 of the packing bag facing the added envelope content is shaped like a funnel.
  • the transport fingers 34 take over the pushing out of the contents 38 together with the envelope 3 to conveyor belts 43 and 44 guided on rollers 39, 40, 41 and 42.
  • the envelopes and the contents are conveyed by the belts 43 and 44 to a further processing station of the inserting machine (see also Fig. 7).
  • the envelope content 38 never comes to a standstill, but is pushed at a constant speed through the packing pocket 13 into the envelope 3 and together with the latter between the conveyor belts 43 and 44.
  • the transport rollers 45 it is grasped between the latter and the lower conveyor belt 43 and transported out of the inserting module by the conveyor belts 43 and 44, where it can be prepared for dispatch by other modules.
  • the transport rollers 20 are rotatably connected to the shaft 46 driven by toothed belts, and the transport rollers 45 are mounted on the same shaft with ball bearings.
  • the next envelope is removed from the stack 1 at the moment when the previous, filled envelope begins to be removed from the packing bag 13.
  • the crossing point of the two envelope flaps lies in the area below the hold-down roller 21.
  • the entire inserting module is driven by a motor 47, which can be continuously regulated by a frequency converter. All moving parts of the module are driven by this motor. This guarantees that all movements run synchronously with each other, which is necessary for trouble-free functioning.
  • FIG. 3 shows a section along line III-III of FIG. 2.
  • the toothed belt 48 drives the motor 47 to a toothed wheel 49 which is connected to the shaft 4 in a rotationally fixed manner.
  • the shaft 4 is mounted in side plates 50 and 51 and axially secured .
  • the transport members 8 and 9 are connected in a rotationally fixed manner to the shaft 4.
  • Via a clutch 12 the drive of the opening claws 5 is driven via a further gear wheel 52, which is connected in a rotationally fixed manner to the shaft 4, a toothed belt 53 and a gear wheel 55 which is connected in a rotationally fixed manner to a second shaft 54. 6 and 7.
  • a gear 56 is connected in a rotationally fixed manner to the shaft 54 and drives a further gear 58 connected to the opening claws 5, 6 and 7 via a toothed belt 57.
  • the gear 58 and the opening claws 5, 6 and 7 are rotatably mounted on the shaft 4 with ball bearings.
  • the gear wheels 56 and 58 form a reduction gear, so that the opening claws rotate more slowly than the transport members 8 and 9.
  • the shaft 54 is also mounted in the side plates 50 and 51 and is axially secured.
  • FIG. 4 shows a section of the inserting device, in particular the area of the insert pocket.
  • the envelope 3 is in the position according to FIG. 4 with its flap below the hold-down roller 21. The end of the flap is against the front part 61 of the packing bag 13.
  • FIG. 5 shows the same section of the inserting device as shown in FIG. 4.
  • the hold-down roller 21 has been lowered, and the bag 13 has been pivoted about its pivot point 22 with its front part 61 upward in the direction of the hold-down roller 21.
  • the envelope is deformed somewhat and opened slightly in the process and can slide over the packing bag 13.
  • the transport rollers 30 transport the envelope into the end position on the packing bag 13.
  • FIG. 6 shows the same section of the inserting device as FIGS. 4 and 5.
  • the envelope is in the position according to FIG. 6 in the end position on the packing bag 13.
  • the packing bag is pivoted downward about the pivot point 22 and the hold-down roller 21 been moved up.
  • the envelope content 38 was conveyed into the bag by the transport fingers 34 while the envelope was being pushed onto the bag.
  • FIG. 7 shows the same section of the packing device as in FIG. 6. According to this position, the contents 38 are pushed out of the packing bag by the transport fingers 34 together with the envelope.
  • the envelope is conveyed via a transfer plate 59 through the transport rollers 45 to the conveyor belts 43 and 44 and is transported therefrom out of the inserting module, where the envelope is made ready for dispatch by other modules.
  • Fig. 8 shows a perspective view of the packing bag from below. This has two bent edges 62 and 63, between which the envelope content is pushed. The end 61 of the packing bag facing the stack of envelopes is bent over. The opposite end 37 is for optimal reception of the envelope content funnel-shaped. There are two slots 64 and 65 through which the transport fingers 34 can reach. The lugs 35 and 36 serve to slightly lift the envelope pushed over the flap so that the transport fingers do not line up with the flap.
  • the inserting device has only very few translationally moved or oscillating parts in order to keep the mass forces that occur. With the exception of the hold-down roller 21, the bag 13 and the lever system acting on it, otherwise only rotary movements occur. The hold-down roll and the bag only have small displacement or swivel angles.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Packaging Of Special Articles (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Bridges Or Land Bridges (AREA)
  • Container Filling Or Packaging Operations (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Packaging For Recording Disks (AREA)

Abstract

From a pile (1), the flap (2) of the bottom-most envelope (3) is opened by a rotating opening claw (5, 6, 7). As soon as the flap is open wide enough, it is picked up by two rotating transport segments (8, 9) and pressed against two transport rollers (10, 11). The opening claws (5, 6, 7) and the transport segments (8, 9) are arranged on the same shaft (4), but are mounted and driven independently of one another. The opening claws are only triggered by a coupling (12) when a package is to be made. The transport segments (8, 9) and the transport rollers (10, 11) run continuously. Two pairs of transport rollers (17, 18, 19, 20) convey the envelope (3) towards a packaging bag (13). As soon as the flap (2) of the envelope (3) is below a holding-down roller (21), the latter begins to drop. At the same time, the packaging bag (13) begins to pivot towards the envelope. While the envelope (3) is being drawn over the packaging bag (13), the prepared envelope contents (38) are conveyed from the opposite side into the packaging bag (13) by transport fingers (34). Transport fingers (34) push the envelope (3) with its contents (38) from the packaging bag between transport belts (43, 44) and out of the envelope-filling module. <IMAGE>

Description

Die vorliegende Erfindung betrifft eine Kuvertiervorrichtung mit einem Behälter für leere Kuverts sowie ein Verfahren zum Betrieb dieser Kuvertiervorrichtung.The present invention relates to an inserting device with a container for empty envelopes and a method for operating this inserting device.

Bei bekannten Kuvertiermaschinen wird das Kuvert von einem Stapel abgezogen, in Position gebracht, geöffnet und dann der Inhalt eingeschoben, was zu einem die Abpackgeschwindigkeit verzögernden Stillstand führt. Bei dieser bekannten Maschine führen verschiedene Elemente Hin- und Herbewegung aus, was dazu führt, dass die Abpackgeschwindigkeit dieser bekannten Kuvertiermaschine beschränkt ist.In known inserting machines, the envelope is pulled off a stack, brought into position, opened and then the contents are pushed in, which leads to a standstill which slows down the packing speed. In this known machine, various elements perform reciprocation, which means that the packaging speed of this known inserting machine is limited.

Aus der US-A-2 915 863 ist eine Kuvertiervorrichtung mit einem Behälter für leere Kuverts bekannt, die ein unterhalb des Behälters angeordnetes, drehbar gelagertes Kuvertöffnungsorgan zum Öffnen der Kuvertklappe und erste drehbare Transportorgane zum Transport des Kuverts zu einer Einpacktasche und mindestens teilweise Aufziehen desselben auf die Einpacktasche aufweist, sowie Transportelemente zum Einschieben des Kuvertinhaltes in die Einpacktasche und Transportelemente zu der Weiterbeförderung des abgepackten Kuverts.From US-A-2 915 863 an inserting device with a container for empty envelopes is known, which has a rotatably mounted envelope opening element arranged below the container for opening the envelope flap and first rotatable transport elements for transporting the envelope to a packing bag and at least partially opening it has on the packing bag, as well as transport elements for inserting the envelope contents into the packing bag and transport elements for the further transport of the packaged envelope.

Im weiteren ist aus der US-A-2 915 863 ein Verfahren zum Betrieb einer Kuvertiervorrichtung bekannt, worin die Klappe des untersten Kuverts eines Kuvertstapels mit einem rotierenden Kuvertöffnungsorgang geöffnet und durch rotierende erste Transportorgane einer Einpacktasche zugeführt und zumindest teilweise auf die Einpacktasche aufgezogen wird, währenddem der Inhalt durch Transportelemente in die Einpacktasche gefördert wird und das Kuvert samt Inhalt von den Transportelementen von der Einpacktasche abgezogen und weiterbefördert wird.Furthermore, from US-A-2 915 863 a method for operating an inserting device is known, in which the flap of the bottom envelope of an stack of envelopes is opened with a rotating envelope opening process and fed to a packing bag by rotating first transport members and at least partially pulled onto the packing bag, while the content through Transport elements are conveyed into the bag and the envelope and its contents are removed from the bag from the transport elements and conveyed onward.

Es ist eine Aufgabe der vorliegenden Erfindung, die Nachteile des Standes der Technik zu vermeiden und eine Kuvertiervorrichtung zu schaffen, mit welcher die Abpackgeschwindigkeit etwa verdoppelt werden kann. Im weiteren ist es eine Aufgabe, die Kuvertiermaschine derart auszubilden, dass auch bei den hohen Abpackgeschwindigkeiten die Kuverts bei ihrem Transport vom Kuvertstapel zur Einpacktasche vor Erreichen der Einpacktasche in geeigneter Weise etwas deformiert resp. geöffnet werden, so dass die Kuverts sicher auf die Einpacktasche geschoben werden können. Dies wird erfindungsgemäss durch die kennzeichnenden Merkmale der Patentansprüche 1 und 12 erzielt.It is an object of the present invention to avoid the disadvantages of the prior art and to provide an inserting device with which the packaging speed can be approximately doubled. Furthermore, it is a task to design the inserting machine in such a way that, even at the high packaging speeds, the envelopes are appropriately deformed or somewhat deformed when they are transported from the stack of envelopes to the packing bag before they reach the packing bag. opened so that the envelopes can be safely pushed onto the bag. This is achieved according to the invention by the characterizing features of claims 1 and 12.

Bevorzugte Ausführungsformen ergeben sich aus den abhängigen Ansprüchen.Preferred embodiments result from the dependent claims.

Im folgenden wird in bezug auf die Zeichnung ein Ausführungsbeispiel der Erfindung näher beschrieben. Es zeigen:

Fig. 1
eine Darstellung der Kuvertiervorrichtung in Seitenansicht,
Fig. 2
eine Ansicht des Antriebes der Oeffnerklauen,
Fig. 3
einen Schnitt gemäss Linie III-III der Fig. 2,
Fig. 4
den Transport eines Kuverts in Richtung der Einpacktasche,
Fig. 5
das Aufziehen des Kuverts auf die Einpacktasche,
Fig. 6
das Einschieben des Kuvertinhalts in die Einpacktasche,
Fig. 7
den Wegtransport des abgepackten Kuverts und
Fig. 8
eine perspektivische Ansicht der Einpacktasche.
In the following, an embodiment of the invention will be described with reference to the drawing. Show it:
Fig. 1
a representation of the inserting device in side view,
Fig. 2
a view of the drive of the opener claws,
Fig. 3
3 shows a section along line III-III of FIG. 2,
Fig. 4
the transport of an envelope in the direction of the bag,
Fig. 5
opening the envelope on the bag,
Fig. 6
inserting the envelope contents into the bag,
Fig. 7
the transport of the packaged envelope and
Fig. 8
a perspective view of the bag.

Anhand der Fig. 1 sollen der prinzipielle Aufbau sowie der Verfahrensablauf der Kuvertiervorrichtung für eine Kuvertiermaschine beschrieben werden. Die Kuvertiervorrichtung oder das Kuvertiermodul bildet den zentralen Teil einer Kuvertiermaschine. Die Vorbehandlung des Kuvertinhaltes, d.h. der Briefbogen, Endlosformulare, Prospekte etc., wie Schneiden, Gruppieren, Falten etc., sowie die Nachbehandlung der gefüllten Kuverts, wie Schliessen, Verkleben, Frankieren, Bündeln etc., finden ausserhalb der hier beschriebenen Kuvertiervorrichtung statt.1, the basic structure and the process sequence of the inserting device for an inserting machine are to be described. The inserting device or the inserting module forms the central part of an inserting machine. Pretreatment of the envelope content, i.e. the letterhead, endless forms, brochures etc., such as cutting, grouping, folding etc., as well as post-treatment of the filled envelopes, such as closing, gluing, franking, bundling etc., take place outside the inserting device described here.

Von einem senkrechtstehenden Stapel 1 leerer und nicht verschlossener Kuverts, die mit ihrer umgebogenen Klappe nach unten angeordnet sind, wird die Klappe 2 des untersten Kuverts 3 mit einer von drei auf einer Welle 4 angeordneten Oeffnerklauen 5, 6 oder 7 geöffnet. Sobald die Klappe 2 weit genug geöffnet ist, wird diese von zwei Transportorganen 8, 9 erfasst und gegen zwei Transportrollen 10, 11 gepresst. Die Transportorgane 8, 9 und die Transportrollen 10, 11 haben die gleiche Umfangsgeschwindigkeit. Die Oeffnerklauen 5, 6 und 7 und die Transportorgane 8 und 9 sind auf der gleichen Welle 4 angeordnet, jedoch unabhängig voneinander gelagert und angetrieben. Um bei hohen Verarbeitungsgeschwindigkeiten ein Beschädigen des Kuverts durch die Oeffnerklauen 5, 6 und 7, d.h. ein Durchlöchern der Klappe, zu vermeiden, rotieren die Oeffnerklauen 5, 6 und 7 in einem ganzzahligen Verhältnis langsamer als die Transportorgane 8 und 9. Die Oeffnerklauen 5, 6 und 7 sind regelmässig am Umfang angeordnet. Die Anzahl der Oeffnerklauen und somit das Drehzahlverhältnis Oeffnerklauen : Transportorgane ist abhängig von den verwendeten Kuverts. Die Oeffnerklauen werden von einer Kupplung 12 nur dann ausgelöst, wenn eine Verpackung gemacht werden soll. Die Transportorgane 8, 9 und Transportrollen 10, 11 laufen kontinuierlich.The flap 2 of the bottom envelope 3 is opened with one of three opening claws 5, 6 or 7 arranged on a shaft 4 from a vertical stack 1 of empty and unsealed envelopes which are arranged with their bent flap downwards. As soon as the flap 2 is opened sufficiently, it is gripped by two transport elements 8, 9 and pressed against two transport rollers 10, 11. The transport members 8, 9 and the transport rollers 10, 11 have the same peripheral speed. The opening claws 5, 6 and 7 and the transport members 8 and 9 are on the same shaft 4 arranged, but independently supported and driven. In order to avoid damage to the envelope by the opening claws 5, 6 and 7, ie perforation of the flap, at high processing speeds, the opening claws 5, 6 and 7 rotate in an integer ratio more slowly than the transport members 8 and 9. The opening claws 5, 6 and 7 are regularly arranged on the circumference. The number of opening claws and thus the speed ratio of opening claws: transport elements depends on the envelopes used. The opening claws are only triggered by a clutch 12 when packaging is to be made. The transport members 8, 9 and transport rollers 10, 11 run continuously.

Beim Weitertransport des geöffneten Kuverts in Richtung einer Einpacktasche 13 sorgen Niederhalter 14 und 15 dafür, dass das Kuvert entlang eines Führungsbleches 16 geführt wird. Zwei weitere Transportrollenpaare 17, 18; 19, 20 garantieren den sicheren Transport des Kuverts. Sobald das Kuvert so weit transportiert ist, dass sich seine Klappe unterhalb einer Niederhalterolle 21 befindet, beginnt sich dieselbe zu senken. Gleichzeitig beginnt sich die Einpacktasche 13 um einen Drehpunkt 22 dem Kuvert entgegenzuschwenken. Die lineare Bewegung der Niederhalterolle 21 und die Schwenkbewegung der Einpacktasche 13 werden durch eine Kurve 23 gesteuert und durch ein Hebelsystem 24, 25, 26, 27, 28, 29 auf die Niederhalterolle und die Einpacktasche übertragen. Sobald die Einpacktasche 13 die oberste Position erreicht hat und die Kuvertöffnung über die Tasche gezogen ist, beginnen Transportrollen 30 das Kuvert in die Endposition auf die Einpacktasche 13 zu transportieren (siehe auch Fig. 5). Sobald diese Position erreicht ist, schwenkt die Einpacktasche 13 nach unten und die Niederhalterolle 21 wird nach oben verschoben. Währenddem das Kuvert auf die Einpacktasche 13 geschoben wird, wird von der entgegengesetzten Seite, transportiert durch an einem über Rollen 31 und 32 geführten Zahnriemen 33 befestigte Transportfinger 34, der vorbereitete Kuvertinhalt 38 auf einem Zuführblech 60 in die Einpacktasche gefördert (siehe auch Fig. 6). An der oberen Seite der Einpacktasche befinden sich Ansätze 35 und 36, damit die Transportfinger 34 nicht an der Kuvertklappe 2 anstehen. Das dem hinzugeführten Kuvertinhalt zugekehrte Ende 37 der Einpacktasche ist trichterförmig geformt. Die Transportfinger 34 übernehmen das Ausschieben des Inhaltes 38 samt dem Kuvert 3 zu auf Rollen 39, 40, 41 und 42 geführten Transportbändern 43 und 44. Durch die Bänder 43 und 44 wird das Kuvert samt Inhalt zu einer weiteren Bearbeitungsstation der Kuvertiermaschine befördert (siehe auch Fig. 7). Der Kuvertinhalt 38 kommt gar nie zum Stillstand, sondern wird mit kontinuierlicher Geschwindigkeit durch die Einpacktasche 13 in das Kuvert 3 und zusammen mit diesem zwischen die Transportbänder 43 und 44 geschoben. Sobald das Kuvert 3 die Transportrollen 45 erreicht hat, wird es zwischen diesen und dem unteren Transportband 43 erfasst und durch die Transportbänder 43 und 44 aus dem Kuvertiermodul hinaustransportiert, wo es durch andere Module zum Versand fertiggemacht werden kann. Die Transportrollen 20 sind mit der mit Zahnriemen angetriebenen Welle 46 drehfest verbunden, und die Transportrollen 45 sind auf derselben Welle mit Kugellager gelagert. Der Abzug des nächsten Kuverts vom Stapel 1 erfolgt bereits in dem Moment, in dem das Abziehen des vorherigen, gefüllten Kuverts von der Einpacktasche 13 beginnt. Der Kreuzungspunkt der beiden Kuvertklappen liegt im Bereich unterhalb der Niederhalterolle 21. Das ganze Kuvertiermodul wird von einem Motor 47 angetrieben, welcher durch einen Frequenzwandler stufenlos geregelt werden kann. Sämtliche bewegten Teile des Moduls werden durch diesen Motor angetrieben. Dadurch wird garantiert, dass alle Bewegungen synchron zueinander ablaufen, was für ein störungsfreies Funktionieren notwendig ist.When the opened envelope is transported further in the direction of a packing bag 13, hold-down devices 14 and 15 ensure that the envelope is guided along a guide plate 16. Two further pairs of transport rollers 17, 18; 19, 20 guarantee the safe transport of the envelope. As soon as the envelope has been transported so far that its flap is below a hold-down roller 21, the latter begins to lower. At the same time, the bag 13 begins to pivot toward the envelope about a pivot point 22. The linear movement of the hold-down roller 21 and the pivoting movement of the bag 13 are controlled by a curve 23 and transmitted to the hold-down roller and the bag by a lever system 24, 25, 26, 27, 28, 29. As soon as the bag 13 has reached the uppermost position and the envelope opening is pulled over the bag, transport rollers 30 begin to transport the envelope into the end position on the bag 13 (see also FIG. 5). As soon as this position is reached, the packing bag 13 swings down and the hold-down roller 21 is moved up. While the envelope is being pushed onto the packing bag 13, the prepared envelope content 38 is conveyed into the packing bag on a feed plate 60 from the opposite side, transported by transport fingers 34 attached to a toothed belt 33 guided over rollers 31 and 32 (see also FIG. 6 ). On the upper side of the bag there are lugs 35 and 36 so that the transport fingers 34 do not line up with the envelope flap 2. The end 37 of the packing bag facing the added envelope content is shaped like a funnel. The transport fingers 34 take over the pushing out of the contents 38 together with the envelope 3 to conveyor belts 43 and 44 guided on rollers 39, 40, 41 and 42. The envelopes and the contents are conveyed by the belts 43 and 44 to a further processing station of the inserting machine (see also Fig. 7). The envelope content 38 never comes to a standstill, but is pushed at a constant speed through the packing pocket 13 into the envelope 3 and together with the latter between the conveyor belts 43 and 44. As soon as the envelope 3 has reached the transport rollers 45, it is grasped between the latter and the lower conveyor belt 43 and transported out of the inserting module by the conveyor belts 43 and 44, where it can be prepared for dispatch by other modules. The transport rollers 20 are rotatably connected to the shaft 46 driven by toothed belts, and the transport rollers 45 are mounted on the same shaft with ball bearings. The next envelope is removed from the stack 1 at the moment when the previous, filled envelope begins to be removed from the packing bag 13. The crossing point of the two envelope flaps lies in the area below the hold-down roller 21. The entire inserting module is driven by a motor 47, which can be continuously regulated by a frequency converter. All moving parts of the module are driven by this motor. This guarantees that all movements run synchronously with each other, which is necessary for trouble-free functioning.

Fig. 2 zeigt eine Seitenansicht des Antriebes der Oeffnerklauen 5, 6 und 7.2 shows a side view of the drive of the opening claws 5, 6 and 7.

Fig. 3 zeigt einen Schnitt gemäss Linie III-III der Fig. 2. Ueber einen Zahnriemen 48 erfolgt vom Motor 47 der Antrieb auf ein mit der Welle 4 drehfest verbundenes Zahnrad 49. Die Welle 4 ist in Seitenplatten 50 und 51 gelagert und axial gesichert. Mit der Welle 4 drehfest verbunden sind die Transportorgane 8 und 9. Ueber ein mit der Welle 4 drehfest verbundenes weiteres Zahnrad 52, einen Zahnriemen 53 und ein mit einer zweiten Welle 54 drehfest verbundenes Zahnrad 55 erfolgt über eine Kupplung 12 der Antrieb der Oeffnerklauen 5, 6 und 7. Mit der Welle 54 ist ein Zahnrad 56 drehfest verbunden, welches über einen Zahnriemen 57 ein mit den Oeffnerklauen 5, 6 und 7 verbundenes weiteres Zahnrad 58 antreibt. Das Zahnrad 58 und die Oeffnerklauen 5, 6 und 7 sind auf der Welle 4 mit Kugellager drehbar gelagert. Die Zahnräder 56 und 58 bilden ein Untersetzungsgetriebe, so dass die Oeffnerklauen langsamer rotieren als die Transportorgane 8 und 9. Die Welle 54 ist ebenfalls in den Seitenplatten 50 und 51 gelagert und axial gesichert.FIG. 3 shows a section along line III-III of FIG. 2. The toothed belt 48 drives the motor 47 to a toothed wheel 49 which is connected to the shaft 4 in a rotationally fixed manner. The shaft 4 is mounted in side plates 50 and 51 and axially secured . The transport members 8 and 9 are connected in a rotationally fixed manner to the shaft 4. Via a clutch 12, the drive of the opening claws 5 is driven via a further gear wheel 52, which is connected in a rotationally fixed manner to the shaft 4, a toothed belt 53 and a gear wheel 55 which is connected in a rotationally fixed manner to a second shaft 54. 6 and 7. A gear 56 is connected in a rotationally fixed manner to the shaft 54 and drives a further gear 58 connected to the opening claws 5, 6 and 7 via a toothed belt 57. The gear 58 and the opening claws 5, 6 and 7 are rotatably mounted on the shaft 4 with ball bearings. The gear wheels 56 and 58 form a reduction gear, so that the opening claws rotate more slowly than the transport members 8 and 9. The shaft 54 is also mounted in the side plates 50 and 51 and is axially secured.

Fig. 4 zeigt einen Ausschnitt der Kuvertiervorrichtung, insbesondere den Bereich der Kuvertiertasche. Das Kuvert 3 befindet sich in der Position gemäss Fig. 4 mit seiner Klappe unterhalb der Niederhalterolle 21. Die Klappe steht mit ihrem Ende am Vorderteil 61 der Einpacktasche 13 an.4 shows a section of the inserting device, in particular the area of the insert pocket. The envelope 3 is in the position according to FIG. 4 with its flap below the hold-down roller 21. The end of the flap is against the front part 61 of the packing bag 13.

In Fig. 5 ist derselbe Ausschnitt der Kuvertiervorrichtung wie in Fig. 4 dargestellt. Die Niederhalterolle 21 hat sich nach unten gesenkt, und die Einpacktasche 13 wurde um ihren Drehpunkt 22 mit ihrem Vorderteil 61 nach oben in Richtung der Niederhalterolle 21 verschwenkt. Dadurch wird das Kuvert etwas deformiert und dabei etwas geöffnet und kann sich über die Einpacktasche 13 schieben. Die Transportrollen 30 transportieren das Kuvert in die Endposition auf die Einpacktasche 13.5 shows the same section of the inserting device as shown in FIG. 4. The hold-down roller 21 has been lowered, and the bag 13 has been pivoted about its pivot point 22 with its front part 61 upward in the direction of the hold-down roller 21. As a result, the envelope is deformed somewhat and opened slightly in the process and can slide over the packing bag 13. The transport rollers 30 transport the envelope into the end position on the packing bag 13.

Fig. 6 zeigt den gleichen Ausschnitt der Kuvertiervorrichtung wie die Fig. 4 und 5. Das Kuvert befindet sich in der Lage gmäss Fig. 6 in der Endposition auf der Einpacktasche 13. Die Einpacktasche ist um den Drehpunkt 22 nach unten geschwenkt und die Niederhalterolle 21 nach oben verschoben worden. Der Kuvertinhalt 38 wurde, währenddem das Kuvert auf die Einpacktasche geschoben wurde, durch die Transportfinger 34 in die Einpacktasche befördert. Es sind zwei parallele Zahnriemen 33 mit daran befestigten Tarnsportfingern 34 vorgesehen.6 shows the same section of the inserting device as FIGS. 4 and 5. The envelope is in the position according to FIG. 6 in the end position on the packing bag 13. The packing bag is pivoted downward about the pivot point 22 and the hold-down roller 21 been moved up. The envelope content 38 was conveyed into the bag by the transport fingers 34 while the envelope was being pushed onto the bag. There are two parallel toothed belts 33 with camouflage fingers 34 attached to them.

Fig. 7 zeigt denselben Ausschnitt der Einpackvorrichtung wie Fig. 6. Gemäss dieser Lage erfolgt das Ausschieben des Inhaltes 38 aus der Einpacktasche durch die Transportfinger 34 zusammen mit dem Kuvert. Das Kuvert wird über ein Ueberleitblech 59 durch die Transportrollen 45 zu den Transportbändern 43 und 44 befördert und von diesen aus dem Kuvertiermodul hinaustransportiert, wo das Kuvert durch andere Module zum Versand fertiggemacht wird.FIG. 7 shows the same section of the packing device as in FIG. 6. According to this position, the contents 38 are pushed out of the packing bag by the transport fingers 34 together with the envelope. The envelope is conveyed via a transfer plate 59 through the transport rollers 45 to the conveyor belts 43 and 44 and is transported therefrom out of the inserting module, where the envelope is made ready for dispatch by other modules.

Fig. 8 zeigt eine perspektivische Ansicht der Einpacktasche von unten. Diese weist zwei umgebogene Ränder 62 und 63 auf, zwischen welche der Kuvertinhalt geschoben wird. Das dem Kuvertstapel zugewandte Ende 61 der Einpacktasche ist umgebogen ausgebildet. Das entgegengesetzte Ende 37 ist zur optimalen Aufnahme des Kuvertinhaltes trichterförmig ausgebildet. Es sind zwei Schlitze 64 und 65 vorgesehen, durch welche die Transportfinger 34 hindurchgreifen können. Die Ansätze 35 und 36 dienen dazu, das über die Klappe geschobene Kuvert etwas anzuheben, damit die Transportfinger nicht an der Klappe anstehen.Fig. 8 shows a perspective view of the packing bag from below. This has two bent edges 62 and 63, between which the envelope content is pushed. The end 61 of the packing bag facing the stack of envelopes is bent over. The opposite end 37 is for optimal reception of the envelope content funnel-shaped. There are two slots 64 and 65 through which the transport fingers 34 can reach. The lugs 35 and 36 serve to slightly lift the envelope pushed over the flap so that the transport fingers do not line up with the flap.

Die Kuvertiervorrichtung weist nur sehr wenige translatorisch bewegte oder oszillierende Teile auf, um die dabei auftretenden Massenkräfte kleinzuhalten. Mit Ausnahme der Niederhalterolle 21, der Einpacktasche 13 und dem auf diese wirkenden Hebelsystem treten sonst nur rotative Bewegungen auf. Bei der Niederhalterolle und der Einpacktasche treten nur kleine Verschiebewege bzw. Schwenkwinkel auf.The inserting device has only very few translationally moved or oscillating parts in order to keep the mass forces that occur. With the exception of the hold-down roller 21, the bag 13 and the lever system acting on it, otherwise only rotary movements occur. The hold-down roll and the bag only have small displacement or swivel angles.

Mit der erfindungsgemässen Kuvertiervorrichtung sind Leistungen bis zu 26'000 Verpackungen pro Stunde erreichbar, was gegenüber den bekannten Kuvertiermaschinen einer Verdoppelung der Kapazität entspricht.With the inserting device according to the invention, outputs of up to 26,000 packages per hour can be achieved, which corresponds to a doubling of the capacity compared to the known inserting machines.

Claims (11)

  1. Enveloping device with a container (1) for empty envelopes, and, disposed below the container, a rotatably supported envelope opening element (5,6,7) for opening the envelope flaps, and with rotatable conveyor elements (8, 9) for conveying the envelope to a packing trap (13) and for drawing the envelope at least partially onto the packing trap, and also with conveyor elements (34) for inserting the contents (38) of the envelope into the packing trap (13) and for the continued transport of the packed envelope characterized in that a holding down roller (21) is disposed in the area over the end (61) of the packing trap (13) closest to the envelope container.
  2. Device according to claim 1, characterized in that the transport elements (8, 9) are disposed at the side of the opening elements (5, 6, 7) on the same axis (4) as the opening elements (5, 6, 7), but are driven separately.
  3. Device according to claim 1 or 2, characterized in that the envelope opening element is designed as at least one opener claw (5, 6, 7) disposed on the periphery of a circle.
  4. Device according to one of the preceding claims, characterized by conveyor rollers (10, 11) cooperating with the conveyor elements (8, 9).
  5. Device according to one of the preceding claims, characterized in that the packing trap (13) and the holding down roller (21) are guided through a curve (23) by means of levers (24, 25, 26, 27, 28).
  6. Device according to one of the preceding claims, characterized by further conveyor elements (17, 18, 19, 20, 30) in the form of rollers disposed between the transport element and the packing trap.
  7. Device according to one of the preceding claims, characterized in that the conveyor elements are designed as fingers (34) affixed to toothed belt (33).
  8. Device according to one of the preceding claims, characterized in that the packing trap (13) is provided with projections (35, 36) for the envelope (3).
  9. Device according to one of the preceding claims, characterized in that the packing trap (13) is rotatably supported.
  10. Device according to one of the preceding claims, characterized by conveyor belts disposed in the region of the end of the packing trap closest to the stack of envelopes, for conveying the packed envelope out of the enveloping device.
  11. Process for operating the device according to one of the claims 1 to 10, whereby the flap (2) of the bottom envelope (3) of a stack of envelopes (1) is opened with a rotating envelope opening element (5, 6, 7), is fed into a packing trap (13) by rotating conveyor elements (8) and is at least partially drawn onto the packing trap (13), whilst the contents (38) are conveyed by conveyor elements (34) into the packing trap (13), and the envelope (3) including contents (38) is drawn off the packing trap (13) by the conveyor elements (34) and transported further characterized in that a holding down roller (21) is provided, which descends before the envelope is drawn onto the packing trap (13) in order to open the envelope slightly.
EP92810180A 1991-03-12 1992-03-10 Device for inserting documents in envelope Expired - Lifetime EP0504114B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH747/91 1991-03-12
CH74791 1991-03-12

Publications (2)

Publication Number Publication Date
EP0504114A1 EP0504114A1 (en) 1992-09-16
EP0504114B1 true EP0504114B1 (en) 1995-07-12

Family

ID=4194261

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92810180A Expired - Lifetime EP0504114B1 (en) 1991-03-12 1992-03-10 Device for inserting documents in envelope

Country Status (9)

Country Link
US (1) US5251425A (en)
EP (1) EP0504114B1 (en)
JP (1) JPH0777889B2 (en)
AT (1) ATE124917T1 (en)
CA (1) CA2062602C (en)
DE (1) DE59202835D1 (en)
DK (1) DK0504114T3 (en)
ES (1) ES2077383T3 (en)
GR (1) GR3017309T3 (en)

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DE202013003426U1 (en) 2013-04-12 2014-07-14 Müller Apparatebau GmbH Envelope delivery device and its components
EP2756964A1 (en) 2013-01-21 2014-07-23 Kern Investment Consulting Management Ltd. Device for inserting sheets into an envelope
WO2016026712A1 (en) 2014-08-22 2016-02-25 Kern Ag Inserting system
WO2016030167A1 (en) 2014-08-28 2016-03-03 Kern Ag Packing pocket

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EP2756964A1 (en) 2013-01-21 2014-07-23 Kern Investment Consulting Management Ltd. Device for inserting sheets into an envelope
US8925291B2 (en) 2013-01-21 2015-01-06 Kern Investments Consulting Management Ltd. Device for inserting sheets into an envelope
DE202013003426U1 (en) 2013-04-12 2014-07-14 Müller Apparatebau GmbH Envelope delivery device and its components
WO2016026712A1 (en) 2014-08-22 2016-02-25 Kern Ag Inserting system
WO2016030167A1 (en) 2014-08-28 2016-03-03 Kern Ag Packing pocket
US10870310B2 (en) 2014-08-28 2020-12-22 Kern Ag Packing pocket

Also Published As

Publication number Publication date
US5251425A (en) 1993-10-12
GR3017309T3 (en) 1995-12-31
JPH06122417A (en) 1994-05-06
ES2077383T3 (en) 1995-11-16
JPH0777889B2 (en) 1995-08-23
CA2062602A1 (en) 1992-09-13
DK0504114T3 (en) 1995-12-11
CA2062602C (en) 1995-02-14
EP0504114A1 (en) 1992-09-16
DE59202835D1 (en) 1995-08-17
ATE124917T1 (en) 1995-07-15

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