EP0545769B2 - Steuervorrichtung für Druckmaschine für fliegenden Druck und entsprechendes Verfahren - Google Patents

Steuervorrichtung für Druckmaschine für fliegenden Druck und entsprechendes Verfahren Download PDF

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Publication number
EP0545769B2
EP0545769B2 EP92403142A EP92403142A EP0545769B2 EP 0545769 B2 EP0545769 B2 EP 0545769B2 EP 92403142 A EP92403142 A EP 92403142A EP 92403142 A EP92403142 A EP 92403142A EP 0545769 B2 EP0545769 B2 EP 0545769B2
Authority
EP
European Patent Office
Prior art keywords
speed
printing
envelopes
phase
conveyor
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
EP92403142A
Other languages
English (en)
French (fr)
Other versions
EP0545769B1 (de
EP0545769A1 (de
Inventor
Gérard Dimur
Jean-Claude Haroutel
Jean-Pierre Meur
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.)
Quadient Technologies France SA
Original Assignee
Neopost Technologies SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Application filed by Neopost Technologies SA filed Critical Neopost Technologies SA
Publication of EP0545769A1 publication Critical patent/EP0545769A1/de
Publication of EP0545769B1 publication Critical patent/EP0545769B1/de
Application granted granted Critical
Publication of EP0545769B2 publication Critical patent/EP0545769B2/de
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
    • B41K3/00—Apparatus for stamping articles having integral means for supporting the articles to be stamped
    • B41K3/02—Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located above article-supporting surface
    • B41K3/12—Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located above article-supporting surface with curved stamping surface for stamping by rolling contact
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00459—Details relating to mailpieces in a franking system
    • G07B17/00467—Transporting mailpieces
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00459—Details relating to mailpieces in a franking system
    • G07B17/00508—Printing or attaching on mailpieces
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00459—Details relating to mailpieces in a franking system
    • G07B17/00661—Sensing or measuring mailpieces
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00459—Details relating to mailpieces in a franking system
    • G07B17/00508—Printing or attaching on mailpieces
    • G07B2017/00516—Details of printing apparatus
    • G07B2017/00524—Printheads
    • G07B2017/00548—Mechanical printhead
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00459—Details relating to mailpieces in a franking system
    • G07B17/00661—Sensing or measuring mailpieces
    • G07B2017/00693—Measuring the speed of mailpieces inside apparatus

Definitions

  • the field of the invention is that of shipping mail, including shipping systems to process a large number of folds high speed.
  • the invention relates to postage mail in such systems.
  • mail forwarding systems to high speed of known types include at least an insertion machine and a franking machine.
  • the insertion machine folds the sheets to be sent and their enveloping. She deliver these envelopes one after the other to the franking machine, also called machine that prints various information, such as than the postal signs (stamp and home office) and the advertising flames.
  • the invention therefore relates to these franking machines, and more precisely the optimization of their functioning, and in particular of the franking speed.
  • the invention relates to a optimized machine control device part of a shipping system mail.
  • Postal signs and advertising flames are printed while the print drum is moving at a constant speed commonly called "jump speed”.
  • the tangential speed at the surface of the drum must be equal to that of mail at print location. This is achieved if the speed, called “transport speed”, to which the means of transport deliver the envelopes from the insertion machine is equal to the "jump speed" during the entire printing phase.
  • This first type of printing machines presents the major drawback of limiting the flow of the entire shipping system, because when each print cycle (postage of a envelope), the print drum should be brought to a complete stop and the security system must be engaged and disengaged.
  • the printing drum goes from zero speed to "jump speed” before printing the signs, then be slowed down after printing to the stop position.
  • the shutter bar must then be returned to the rest position (or print inhibit position).
  • the insertion machine must increase the mail ejection speed, which requires the increase the "jump speed" of the print drum. Consequently, the amplitudes of the deceleration and of the print drum acceleration are also increased.
  • a classic solution to this problem is to use more powerful motors, so as to obtain higher speed and provide more torque tall. This leads, in addition to an increase in physical dimensions of the machine, an increase of energy consumption and dissipation of heat, which consequently increases the cost of the system.
  • shocks cause noise from important operation, very unpleasant for the user the shipping system and its environment, especially in the event of regular operation, or even permanent.
  • Patent application US 4,023,489 describes a device in which the transport speed is constant, and in which the tangential velocity of a print drum varies between zero and the speed of transport, but it does not go down to zero if the rate of arrival of the documents to be printed is not less than a fixed value.
  • an object of the invention is to provide a control device for printing machine allowing reduce vibrations and shocks by the operation of the drum, so in particular to limit wear and operating noise machine while increasing the throughput of the global mail dispatch system including is part of the printing machine.
  • the object of the invention is also to provide such a device which is simple, reliable and inexpensive, in particular compared to existing devices, such as previously described.
  • Another object of the invention is still to provide such a device, which allows optimized operation of the franking machine whatever the envelopes processed, their number and arrival rhythm.
  • the "jump speed" of the head is as low as possible, and the amplitudes deceleration and acceleration for the head are further reduced.
  • said transport speed optimized is chosen from a finite number of values predetermined.
  • control device of the invention applies therefore to a printing machine used in particular for frank envelopes in a shipping system of mail.
  • This print head is presented in developed view in figure 1.
  • the real area printing corresponds to that of hoop 2 which allows to train the envelope during the whole phase printing.
  • a print cycle is presented schematically in Figures 2a to 2c.
  • the hoop 2 is in contact with a envelope 20.
  • the print head turns in one direction 22 and the envelope advances in a direction 23.
  • the speed of the head is then equal to the "speed of transport ": this is the start of printing.
  • the distance between two printing starts i.e. the length of a letter added to the gap between two successive letters
  • Figure 3 shows such a diagram of the head, the diameter 31 is constant whatever the machine. Indeed, the diameter of the print heads is generally 80 mm.
  • Fret 2 corresponds to an angle ⁇ 1.
  • ⁇ T the angle corresponding to the circumference of the head (of course equal to 360 degrees).
  • FIG. 2b the impression of the envelope 20 being completed, the head continues to rotate but at an different speed so as to be synchronous with the next envelope 21.
  • Figure 2c shows the beginning of the following print: the beginning of envelope 21 is well facing the beginning of the fret 2.
  • the position ⁇ 0 degrees corresponds to the start of the first printing phase.
  • the curve begins with the printing phase 41 A of the (k + 1) th / cycle.
  • the head is therefore slowed down (46) and arrives in position stop 45.
  • This stop position is not arbitrary, but is such that the fret and the printing pads are not accessible.
  • the deceleration phase 46 has the maximum possible slope.
  • the distance between two start of printing is smaller than the length of the circumference of the head, it is therefore necessary to accelerate the head (phase 47). Then, in order to compensate for this distance difference, the head rotates at a higher speed (v i + ⁇ v) (phase 49). And finally, it is decelerated (phase 48) to return to the speed v i and thus to be at the right speed for the next printing 41 B (that of the (k + 2) th cycle).
  • Figures 5a and 5b illustrate this learning which avoids stopping (Figure 5a) and accelerating of the head (Figure 5b) during the compensation phase.
  • Figures 5a and 5b show, like the figures 4a to 4c, the variation curve of the speed V of the head depending on the angular position ⁇ of this same printhead over three printing cycles.
  • the curve begins with the printing phase 51 of the (k + 1) th cycle.
  • FIG. 5a presents the case where the speed of the head during the (k + 1) th printing 51 is V o , which is also the transport speed (equality of the two speeds during the printing phase) and corresponds to the speed maximum machine transport.
  • the transport speed can take a value from a choice of possible values, from V o to v i where the index zero corresponds to the highest speed and the largest index corresponds to the lowest speed.
  • the head must therefore stop (phase 52). During the following cycle, the head always rotates at the speed V o during the (k + 2) th printing 53. On the other hand, thanks to learning, it does not stop during the compensation phase: it rotates, after deceleration 54, at a constant speed v 1 - ⁇ v (phase 55). Then it re-accelerates 56 to rotate at speed v 1 during the (k + 3) th printing 57. This speed v 1 is also the transport speed.
  • FIG. 5b presents the other case, that is to say that where the speed of the head during printing (it is also the transport speed) is low and has for example the value v 5 .
  • the head must therefore accelerate 59, rotate at a speed v 5 + ⁇ v during the compensation phase 58, before decelerating 60 to rotate at speed v 5 during the (k + 2) th printing.
  • the head accelerates only to a lower speed v i - ⁇ v taking a value of greater i.
  • the head is accelerated (64), and the (k + 3) th printing 65 can be done at the speed v o (or v i with i greater than 0).
  • Acceleration and deceleration phases allow to go from the first to the second value the speed of the print head.
  • acceleration and deceleration phases are chosen of the same duration.
  • the invention relates to all devices to reduce variations in the speed of the print head, which never stops in normal operating regime.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Ink Jet (AREA)
  • Character Spaces And Line Spaces In Printers (AREA)

Claims (6)

  1. Steuervorrichtung für eine Druckmaschine mit fliegendem Druck, insbesondere für die Frankierung von Poststücken, die mit variabler, aber bestimmter Geschwindigkeit zugeführt werden,
    mit Druckmitteln, die einen von einem ersten mit einer Drehgeschwindigkeit (V) drehenden Motor angetriebenen drehenden Druckkopf enthalten, der über einen Teil seiner Oberfläche eine Druckzone (6) enthält,
    mit von einem zweiten Motor betätigten Mitteln zur Förderung der Poststücke, um diese mit den Druckmitteln bei einer gegebenen Transportgeschwindigkeit (Vi) in Kontakt zu bringen und um die frankierten Poststücke abzuführen, dadurch gekennzeichnet, daß die Vorrichtung weiter enthält:
    Mittel, um die Transportgeschwindigkeit (Vi) zu optimieren, indem die Transportgeschwindigkeit abhängig vom Rhythmus, in dem die Poststücke ankommen, so variiert wird, daß die Transportgeschwindigkeit möglichst niedrig ist und zugleich eine Überlappung der Poststücke verhindert wird,
    und Mittel, um die Drehgeschwindigkeit (V) des Druckkopfs zu optimieren, indem in jedem Druckzyklus die Drehgeschwindigkeit an die Transportgeschwindigkeit so angepaßt wird, daß die Drehgeschwindigkeit des Kopfes der Transportgeschwindigkeit während einer Druckphase gleicht, während der ein Poststück mit der nutzbaren Druckzone in Berührung steht, und dieser Transportgeschwindigkeit während einer komplementären Aufholphase möglichst nahekommt.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Transportgeschwindigkeit aus einer endlichen Anzahl von vorbestimmten Geschwindigkeitswerten ausgewählt wird.
  3. Vorrichtung nach einem beliebigen der Ansprüche 1 und 2, dadurch gekennzeichnet, daß die Mittel zur Optimierung der Transportgeschwindigkeit mindestens einen der Parameter aus der Gruppe berücksichtigen, die enthält:
    die Transportgeschwindigkeit der Poststücke,
    den Rhythmus, mit dem die Poststücke an den Transportmitteln ankommen,
    den Abstand zwischen zwei aufeinanderfolgenden Poststücken,
    die Länge der Poststücke.
  4. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Mittel zur Optimierung der Drehgeschwindigkeit des ersten Motors diese Drehgeschwindigkeit zwischen zwei konstanten Geschwindigkeiten entsprechend der Druckphase (41; 41A, 41B; 51, 53, 61, 65) beziehungsweise der Aufholphase (43; 49; 52; 55; 58, 63) variieren und daß diese Mittel bewirken, daß die Übergangsphasen zwischen den konstanten Geschwindigkeiten möglichst kurz sind.
  5. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Mittel zur Optimierung der Drehgeschwindigkeit (V) des ersten Motors so ausgebildet sind, daß die nutzbare Druckzone (6) nicht zugänglich ist, wenn der erste Motor anhält.
  6. Steuerverfahren für eine Vorrichtung nach einem beliebigen der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß es die folgenden Schritte aufweist:
    Bestimmung des Rhythmus, in dem die Poststücke an den Transportmitteln ankommen,
    Berechnung einer Aufholgeschwindigkeit für den ersten Motor während der Aufholphase abhängig von dem Rhythmus, in dem die Poststücke ankommen,
    Bestimmung der Geschwindigkeitsdifferenz zwischen der Aufholgeschwindigkeit und der Transportgeschwindigkeit,
    Korrektur der Transportgeschwindigkeit, wenn die Geschwindigkeitsdifferenz einen vorbestimmten Grenzwert überschreitet.
EP92403142A 1991-11-29 1992-11-23 Steuervorrichtung für Druckmaschine für fliegenden Druck und entsprechendes Verfahren Expired - Lifetime EP0545769B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9114807 1991-11-29
FR9114807A FR2684335B1 (fr) 1991-11-29 1991-11-29 Dispositif de commande pour machine d'impression a la volee, et procede correspondant.

Publications (3)

Publication Number Publication Date
EP0545769A1 EP0545769A1 (de) 1993-06-09
EP0545769B1 EP0545769B1 (de) 1997-01-22
EP0545769B2 true EP0545769B2 (de) 2003-09-24

Family

ID=9419504

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92403142A Expired - Lifetime EP0545769B2 (de) 1991-11-29 1992-11-23 Steuervorrichtung für Druckmaschine für fliegenden Druck und entsprechendes Verfahren

Country Status (4)

Country Link
US (1) US5471928A (de)
EP (1) EP0545769B2 (de)
DE (1) DE69217014T3 (de)
FR (1) FR2684335B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9501730D0 (en) * 1995-01-30 1995-03-22 Neopost Ltd Franking apparatus and mail transport thereof
FR2730668B1 (fr) * 1995-02-20 1997-05-30 Secap Dispositif et procede de pilotage d'une machine d'impression notamment de tambour d'affranchisseur
US5980139A (en) * 1998-04-24 1999-11-09 Lexmark International, Inc. Method of speed control for imaging system including printers with intelligent options
JP2003326820A (ja) * 2002-05-14 2003-11-19 Toshiba Corp 紙葉類押印装置
US6783290B2 (en) * 2002-08-05 2004-08-31 Pitney Bowes Inc. Method and system for high speed digital metering using low velocity print technology
GB0321826D0 (en) * 2003-09-18 2003-10-15 Graphic Internat Ltd Ab Improvements in and relating to rotary dies and rotary printing units

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2268733A1 (en) * 1974-04-26 1975-11-21 Herve Fils Papet Sentier Local treatment system for moving strip - has independently actuated rotating local treatment stations for strip material
US4023489A (en) * 1976-02-06 1977-05-17 Burroughs Corporation Document endorsing control circuitry and method for minimizing power consumption requirements
US4220084A (en) * 1978-11-07 1980-09-02 Magnetic Peripherals Inc. Document endorser apparatus
US4579054A (en) * 1982-12-08 1986-04-01 Pitney Bowes Inc. Stand-alone electronic mailing machine
DE177057T1 (de) * 1984-10-04 1989-01-05 Pitney Bowes, Inc., Stamford, Conn. Frankiermaschinenvorrichtung mit mikroprozessorgesteuertem gleichstrommotor und verfahren zu dessen gebrauch.
US4787311A (en) * 1987-08-19 1988-11-29 Pitney Bowes Inc. Mailing machine envelope transport system
US5018443A (en) * 1989-09-15 1991-05-28 Illinois Tool Works Inc. Position sensor systems for a print head
US5103733A (en) * 1990-10-24 1992-04-14 A. B. Dick Company Printing machine with continuous sheet feed mechanism

Also Published As

Publication number Publication date
US5471928A (en) 1995-12-05
EP0545769B1 (de) 1997-01-22
DE69217014D1 (de) 1997-03-06
FR2684335B1 (fr) 1995-06-16
DE69217014T3 (de) 2004-04-15
EP0545769A1 (de) 1993-06-09
FR2684335A1 (fr) 1993-06-04
DE69217014T2 (de) 1997-06-05

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