EP1254784B1 - Kuvertiermaschine - Google Patents

Kuvertiermaschine Download PDF

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Publication number
EP1254784B1
EP1254784B1 EP20020009808 EP02009808A EP1254784B1 EP 1254784 B1 EP1254784 B1 EP 1254784B1 EP 20020009808 EP20020009808 EP 20020009808 EP 02009808 A EP02009808 A EP 02009808A EP 1254784 B1 EP1254784 B1 EP 1254784B1
Authority
EP
European Patent Office
Prior art keywords
push
fingers
envelope
enclosures
additional
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
EP20020009808
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English (en)
French (fr)
Other versions
EP1254784A1 (de
Inventor
Martin Dr. Sting
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.)
Pitney Bowes Deutschland GmbH
Original Assignee
Pitney Bowes Deutschland GmbH
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Publication date
Application filed by Pitney Bowes Deutschland GmbH filed Critical Pitney Bowes Deutschland GmbH
Publication of EP1254784A1 publication Critical patent/EP1254784A1/de
Application granted granted Critical
Publication of EP1254784B1 publication Critical patent/EP1254784B1/de
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Classifications

    • 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 invention relates to an envelope-filling machine with an envelope-filling table according to the preamble of Claim 1.
  • the push-in-finger carrier may be the bottom end of a pivoting lever which is mounted at its top end such that it can be pivoted at a certain height above the level of the envelope-filling table and which is made to move back and forth by means of a crank drive. It is also possible for the push-in-finger carrier, in another design of the push-in arrangement, to be provided on an arrangement of circulating chains with horizontal chain sections.
  • the push-in-finger carrier in a very expedient design of the push-in arrangement, to form a link of a three-link mechanism in the case of which the spacings between the articulation connections and the position of the pivot bearings of the top ends of two links are selected such that the free end of the link which forms the push-in-finger carrier, said end projecting in the push-in direction, is moved over the envelope-filling table approximately horizontally at a distance therefrom(see DE 199 13 638 C1 which discloses the preamble of claim 1).
  • a guide contact lever is fastened on the common pivoting spindle of the push-in fingers, said guide contact lever bearing a guide contact roller at its outer end.
  • the contact roller follows a guide, in contact therewith, such that, in the operating stroke of the push-in-finger carrier, the push-in fingers slide over the surface of the envelope-filling table under spring prestressing and the push-in-finger ends position themselves against the trailing edges of enclosures or sets of enclosures which are to be pushed in, whereas, in the return stroke of the push-in-finger carrier, the push-in fingers are raised off from the envelope-filling table and are thus guided over the next-following enclosure or the next-following set of enclosures at a vertical distance therefrom.
  • the invention is intended to achieve the object of designing an envelope-filling machine of the general type described in the introduction such that the design of the push-in arrangement can be simplified and high operating speeds are made possible.
  • the common centre of gravity of the push-in fingers, which are coupled to one another in a fixed manner, and of the additional-mass element or of the associated additional-mass elements is preferably positioned on the pivoting spindle or at least in the vicinity of the pivoting spindle.
  • the push-in arrangement which is outlined in Figure 1 by chain-dotted lines, contains a three-link mechanism 1 with two links 2 and 3, which are mounted at their top ends such that they can be pivoted on a housing, and with a third link 4, which is connected pivotably to the bottom ends of said links 2 and 3 and forms a push-in-finger carrier.
  • Push-in fingers 6 are mounted at the free end of the link 4, via a pivoting spindle 5, only one of these push-in fingers 6 being visible in the viewing direction selected in Figure 1.
  • Guide contact systems which interact with the push-in fingers 6 and are intended for actuating the push-in fingers 6, as are provided in conventional envelope-filling machines of this type, have been omitted from the push-in station indicated in Figure 1.
  • the push-in-finger carrier 4 is accelerated from left to right, in relation to the illustration of Figure 1, by a drive (not shown) in order to carry out its return cycle, then the speed profile over the return distance R may be given, for example, by the curve 7 (negative speed values during movement counter to the push-in direction).
  • the centre of gravity S of a push-in finger 6 is subjected to forces of inertia in horizontal direction, the relevant force being indicated by the arrow H. This force can be broken down into a component E, running in the longitudinal direction of the push-in finger 6, and a component D, perpendicular to E.
  • the component D subjects the lever arm, corresponding to the distance between the pivoting spindle 5 and the centre of gravity S, to a torque which strives to pivot the push-in finger 6 upwards about the pivoting spindle 5 and to raise the bottom end of the push-in finger up from the envelope-filling table 8.
  • the torque profile in dependence on the distance of the centre of gravity S over the envelope-filling table 8 is depicted in qualitative terms for the end of the push-in operating cycle and for the beginning of the return cycle by the dashed lines 10 and 11, which are of essentially the same profile.
  • forces of inertia act on the centre of gravity S of the push-in fingers 6 in an analogous manner, although in this case the forces of inertia are oriented counter to the push-in direction in each case and the torque produced by the component D now strives to force the bottom ends of the push-in fingers to a pronounced extent against the surface of the envelope-filling table 8.
  • the profile of this additional contact-pressure torque in qualitative terms is indicated on the right-hand side of Figure 1 by the curves 12 and 13.
  • the invention achieves the situation where, even in the case of very high cycle frequencies and correspondingly high deceleration values and/or acceleration values at the end of the push-in operating cycle and at the beginning of the return cycle, respectively, there are no undesirably high torques which strive to cause the push-in fingers 6 to pivot in an uncontrolled manner.
  • Figure 2 in turn, shows the push-in-finger carrier 4, which is guided pivotably on links 2 and 3 and of which the front end, which is forked and serves for mounting the pivoting spindle 5, is guided essentially rectilinearly over the surface of the envelope-filling table 8 in the direction of the double arrow 14 and is made to move back and forth by a drive (not depicted).
  • Two push-in fingers 6 are fastened on the pivoting spindle 5 and are prestressed in the direction of the envelope-filling table 8 by a helical spring 15, which wraps around the pivoting spindle 5 and is supported on the push-in-finger carrier 4, on the one hand, and one of the push-in fingers 6, on the other hand.
  • an additional-mass element 16 Fastened on the pivoting spindle 5 in the region between the fork legs of the push-in-finger carrier 4 is an additional-mass element 16 which, essentially in all the operating phases, is positioned in the upward direction in the manner illustrated.
  • the centre of gravity of the additional-mass element 16 is located approximately vertically above the pivoting spindle 5.
  • the mass of the additional-mass element 16 is selected such that the common centre of gravity of the two push-in fingers 6, which are fastened on the pivoting spindle 5, and of the additional-mass element 16 is essentially positioned on the pivoting spindle 5 of the push-in fingers, which means that pronounced accelerations and decelerations of the push-in finger carrier 4 do not result in torques which try to rotate the entire system comprising the push-in fingers 6, the pivoting spindle 5 and the additional-mass element 16.
  • the helical prestressing spring 15 may thus be of comparatively soft configuration such that the bottom ends of the push-in fingers 6, as they run up the leading edge of a set of enclosures which is to be pushed in, do not throw up or damage the latter.
  • Figure 3 shows an embodiment of an envelope-filling machine with a push-in arrangement in the case of which push-in fingers 6, which are mounted on the push-in-finger carrier 4 such that they can be pivoted via the pivoting spindle 5, are each formed integrally with an associated additional-mass element 16a.
  • the common centre of gravity of each push-in finger 6 and the associated additional-mass element 16a is located approximately on the geometrical axis of the pivoting spindle 5.
  • each push-in finger 6 which extends from the pivoting spindle 5 to the bottom end of the push-in finger is designed with a very low mass and is provided with corresponding recesses or through-passes (indicated at 17 in Figure 3), it is possible for the additional-mass element 16a, which projects upwards from the pivoting spindle 5, to be of comparatively small and/or short design.
  • the same also applies to the configuration of the push-in fingers 6 and of the common additional-mass element 16 in the embodiment according to Figure 2.
  • the envelope-filling machine proposed here is designed such that the direction in which the enclosures or sets of enclosures are fed onto the envelope-filling table 8 is oriented perpendicularly to the push-in direction.
  • the feeding operation it is necessary for the feeding operation to be carried out, for example, when the push-in fingers 6 are nearing the end of the push-in operating cycle and the bottom ends of the push-in fingers have thus freed the feeding path for the next-following enclosure or the next-following set of enclosures on the envelope-filling table 8.

Landscapes

  • Supplying Of Containers To The Packaging Station (AREA)
  • Automatic Assembly (AREA)

Claims (7)

  1. Kuvertiermaschine mit einem Kuvertiertisch (8), auf welchen Beilagen oder Beilagensätze mittels einer Fördervorrichtung transportiert werden und von dem die Beilagen oder Beilagensätze mittels einer Einschubvorrichtung (1 bis 6) in geöffnet bereitgehaltene Kuverts geschoben werden, wobei die Einschubvorrichtung einen mittels eines hin- und hergehenden Antriebs bewegbaren Einschubfingerträger (4) aufweist, an welchem um eine Schwenkachse (5) schwenkbar Einschubfinger (6) gelagert sind, deren freie Enden im Einschub-Arbeitstakt über die Kuvertiertischoberfläche gleiten und sich an den hinteren Rand der einzuschiebenden Beilagen oder Beilagensätze anlegen und mindestens in einem Abschnitt des Rückführungstaktes sich über die Oberfläche der jeweils nächstfolgenden Beilage oder des jeweils nächstfolgenden Beilagensatzes hinweg bewegen, dadurch gekennzeichnet, daß die Schwenkbewegungen der Einschubfinger (6) um ihre Schwenkachse (5) weder leitkulissengesteuert noch antriebsgesteuert sind, und daß mit den Einschubfingern (6) ein bzw. jeweils ein mit Bezug auf die Schwenkachse (5) wirksamer Zusatzmassenkörper (16; 16a) gekoppelt ist, dessen Schwerpunkt mit Bezug auf die Schwenkachse (5) so gelegt ist, daß positive oder negative Beschleunigungen der Schwenkachse (5) in einer Richtung parallel zur Einschubrichtung ein auf die Einschubfinger (6) wirksames Zusatzdrehmoment um die Schwenkachse (5) bewirken, wobei der Schwerpunkt des Zusatzmassenkörpers (16, 16a) und der Schwerpunkt der Einschubfinger (6) in einer zur Kurvertiertischoberfläche senkrechten Richtung gesehen in Bezug auf die Schwenkachse (5) einander gegenüberliegen.
  2. Kuvertiermaschine nach Anspruch 1, dadurch gekennzeichnet, daß der gemeinsame Schwerpunkt der miteinander fest gekuppelten Einschubfinger (6) und des Zusatzmassenkörpers (16, 16a) auf der Schwenkachse (5) oder zumindest nahe der Schwenkachse (5) gelegen ist.
  3. Kuvertiermaschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß Federvorspannmittel (15) zwischen dem Einschubfingerträger (4) und den Einschubfingern (6) zur Vorspannung der freien Einschubfingerenden gegen den Kuvertiertisch (8) vorgesehen sind.
  4. Kuvertiermaschine nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Einschubfinger (6) auf einer gemeinsamen Achse (5) befestigt sind, an welcher auch der gemeinsam für die Einschubfinger (6) vorgesehene Zusatzmassenkörper (16) befestigt ist.
  5. Kuvertiermaschine nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Einschubfinger (6) jeweils am oberen Ende mit einem zugehörigen, einstückig mit dem jeweiligen Einschubfinger (6) ausgebildeten Zusatzmassenkörper (16a) ausgestattet sind.
  6. Kuvertiermaschine nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Richtung der Zuförderung der Beilagen oder Beilagensätze durch die Fördervorrichtung in Richtung der Einschubbewegung der Einschubvorrichtung weist.
  7. Kuvertiermaschine nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Richtung der Zuförderung der Beilagen oder Beilagensätze durch die Fördervorrichtung senkrecht zu der Einschubrichtung der Einschubvorrichtung orientiert ist.
EP20020009808 2001-05-04 2002-04-30 Kuvertiermaschine Expired - Lifetime EP1254784B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10121696 2001-05-04
DE2001121696 DE10121696C1 (de) 2001-05-04 2001-05-04 Kuvertiermaschine

Publications (2)

Publication Number Publication Date
EP1254784A1 EP1254784A1 (de) 2002-11-06
EP1254784B1 true EP1254784B1 (de) 2008-01-30

Family

ID=7683605

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020009808 Expired - Lifetime EP1254784B1 (de) 2001-05-04 2002-04-30 Kuvertiermaschine

Country Status (2)

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EP (1) EP1254784B1 (de)
DE (1) DE10121696C1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19734205C2 (de) * 1997-08-07 1999-07-15 Eastman Kodak Co Vorrichtung zum Leiten und Niederhalten von mittels einer Fördereinrichtung einem Blattstapel entlang einer Blattförderbahn einzeln zugeführten Blättern
DE19827235C1 (de) * 1998-06-18 2000-02-10 Bell & Howell Co Postbearbeitungsmaschine
DE19913638C1 (de) * 1999-03-25 2000-05-31 Bell & Howell Co Bearbeitungsstation für eine Postbearbeitungsmaschine
DE19938069C2 (de) * 1999-08-12 2002-04-11 Pitney Bowes Technologies Gmbh Kuvertiereinrichtung für Postbearbeitungsmaschinen

Also Published As

Publication number Publication date
EP1254784A1 (de) 2002-11-06
DE10121696C1 (de) 2002-06-06

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