EP0946364B1 - Document-printing arrangement with document-collection station - Google Patents

Document-printing arrangement with document-collection station Download PDF

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Publication number
EP0946364B1
EP0946364B1 EP97951791A EP97951791A EP0946364B1 EP 0946364 B1 EP0946364 B1 EP 0946364B1 EP 97951791 A EP97951791 A EP 97951791A EP 97951791 A EP97951791 A EP 97951791A EP 0946364 B1 EP0946364 B1 EP 0946364B1
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EP
European Patent Office
Prior art keywords
drum
document
electric motor
printing
paper web
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
EP97951791A
Other languages
German (de)
French (fr)
Other versions
EP0946364A1 (en
Inventor
Bernhard Brings
Richard Düsterhus
Bernd Reimer
Pamela Szlezys
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.)
Wincor Nixdorf International GmbH
Original Assignee
Wincor Nixdorf GmbH and Co KG
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Publication date
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Publication of EP0946364A1 publication Critical patent/EP0946364A1/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/50Piling apparatus of which the discharge point moves in accordance with the height to the pile
    • B65H29/51Piling apparatus of which the discharge point moves in accordance with the height to the pile piling by collecting on the periphery of cylinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0095Detecting means for copy material, e.g. for detecting or sensing presence of copy material or its leading or trailing end
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/0054Handling sheets of differing lengths
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/0006Article or web delivery apparatus incorporating cutting or line-perforating devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50Occurence
    • B65H2511/51Presence
    • B65H2511/514Particular portion of element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00Dynamic entities; Timing aspects
    • B65H2513/20Acceleration or deceleration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00Dynamic entities; Timing aspects
    • B65H2513/50Timing

Definitions

  • the invention relates to a receipt printing device according to the preamble of claim 1.
  • a receipt printing device of the type mentioned is from the International patent application WO 94/22117 A1 known.
  • a document collecting station designed as a drum used as in the German published application DE 42 25 418 A1 is described.
  • the drum is only rotated when the paper transport device a slip under the clamping elements has been transported.
  • the document is against those protruding from the inside of the still resting drum Actuating lever of the clamping elements pushed and compressed, resulting in a bumping of the slip between the printing station and the drum. Because in the area of Bulging also the cutting device is arranged the document bulge leads to an unacceptably high cut tolerance.
  • the object of the invention is therefore a receipt printing device to propose the type mentioned in which one Bump formation of the document is avoided.
  • the task is characterized by the characteristic features of the Claim 1 solved.
  • the invention is based on the consideration that a bulge of the receipt is avoided if the drum closes the time at which the leading edge of the continuous paper web strikes the surface of the drum tangentially, the peripheral speed of the drum with the Feed speed of the continuous paper web matches, the actuating lever of the clamping elements in close to the forward edge of the paper hurry ahead.
  • An adjustment of the clamping elements between their release position and their clamping position during rotation the drum can be realized in a particularly simple manner, that the adjustment by a specially for this provided electric motor.
  • the electric motors are designed as stepper motors.
  • the Paper feed speed is through the step pulse train of the electric motor driving the pressure roller known. Therefore, it is possible in a simple manner
  • the one to the peripheral speed of the die Continuous paper web through the printing station conveying printing roller Define adjusted acceleration ramp, where the electric motor of the drum with the detection of the Front edge of the continuous paper web through the light barrier is started.
  • Starting from the front edge of the continuous paper web can also be the current length of a document from the number of step impulses of the pressure roller driving Electric motor determined and when reaching predetermined target document length of the electric motors Paper transport device, the platen and the drum stopped and the cutter is operated.
  • the single figure shows a schematic sectional view a receipt printing device with a receipt collecting station.
  • a receipt printing device shown schematically in the figure 8 contains a paper path 10 on which a paper transport device 12, a printing station 14, a Cutting device 16 for separating individual receipts 18 from a continuous paper web 20 and a document collecting station 22 for separated receipts 18 are arranged.
  • the continuous paper web 20 can be rolled up on a roll or Z-folded his. It can be blank or with pre-printed ones Forms are provided in the printing station 14 only still to be filled out.
  • the paper path 10 extends from an entrance area 24 for entering the continuous paper web 20 up to an output slot 26 for issuing finished printed receipts 18.
  • the paper transport device is connected to the entrance area 24 12 on.
  • These essentially consist of a pair of drive rollers driven by a first stepper motor 28 30, which is arranged in front of the printing station 14 is.
  • the latter includes one arranged above the paper path Thermal print bar 32 and one of these opposite below the paper path 10 arranged by a second Stepper motor 33 driven pressure roller 34.
  • Behind the Printing station 14 is a light barrier 48 in the paper path 10 inserted on the leading edge of the continuous paper web 20 appeals.
  • the cutting device 16 Located in paper path 10, downstream of light barrier 48 the cutting device 16 with a Cutting roller 35 trained knife that with a Cutting rail 36 cooperates.
  • the cutting roller 35 is by a third stepper motor 37 perpendicular to the transport direction the continuous paper web 20 over its entire length Slidable width.
  • the cutting device 16 serves to to cut off the documents 18 from the continuous paper web 20 and so to separate.
  • the document collecting station is connected to the cutting device 16 22, their basic structure and function is described in DE 42 25 418 A1 and therefore here is only explained to the extent that this is for understanding of the present invention is necessary.
  • the document collection station 22 includes one of a fourth stepper motor 38 drivable in both directions of rotation 40, the the individual receipts 18 are transported in tongs 42. This is formed from clamping elements 44 on the outside the drum 40 are arranged, and between a clamping position resting on the lateral surface (shown with solid lines) and one (dot-dash line) lifted release position adjustable independently of the rotary drive of the drum 40 are.
  • a fifth stepper motor 46 is actuated.
  • This one can the clamping elements pivoting, concentric to Drum 40 arranged collar 41 relative to the drum 40 to rotate in both directions.
  • the pliers 42 is opened when the adjusting ring 41 is turned clockwise and closed when turned counterclockwise. This is an adjustment of the clamping elements 44 during the rotation of the drum 40 possible.
  • the five stepper motors 28, 33, 37, 38 and 46, the thermal print bar 32 and the light barrier 48 are with a Control device 50 connected via a data line 52 the print jobs from outside the receipt printing device 8 are supplied.
  • the document processing process begins with the continuous paper web 20 transported as far along the paper path 10 until the light barrier 48 the leading edge the continuous paper web 20 reports. So the thermal print bar 32 a defined distance from the front edge.
  • the step pulses of the second step motor 33 are counted from then on, so that the printing of a Receipt can be done line by line. Because the printing process with the thermal print bar with a continuous paper feed is the time it takes to hit the leading edge of the continuous paper web 20 on the Drum 40 passes, and so does the number of step pulses known that the second stepper motor 33 is still fed Need to become.
  • the pressure roller 34 predetermined step becomes the fourth stepper motor 38 with a step pulse train acts on a defined acceleration ramp the drum 40 except for one at the feed rate the continuous paper web 20 matching Corresponds to the peripheral speed.
  • the step pulse train is chosen so that the drum 40 its angular position 0 ° at the time of arrival of the leading edge of the Continuous paper web 20 has just reached and with a the feed speed of the continuous paper web 20 corresponding peripheral speed rotates. In this Position are the clamping elements from the lateral surface of the Drum lifted and are in the dash-dotted line position 44 'shown.
  • the fifth stepper motor 46 is energized so that the collar 41st rotated counterclockwise relative to drum 40 is, which during the rotation of the drum Pliers 42 closes.
  • the document transport device 12, the printing roller 34 and the drum 40 will be in the forward transport direction for so long the continuous paper web 20 continues to operate until the Target length of document 18 is reached. Then the first, second and fourth stepper motor 28, 33, 38 with Step impulses applied to a defined braking ramp, which is dimensioned so that the continuous paper web 20th always between the platen roller 34 and the drum 40 is taut.
  • the three stepper motors are at a standstill 28, 33, 38 is the lower edge of the document 18 on the cutting line of the cutter 16, the now by supplying the third stepper motor 37 with a corresponding pulse sequence is actuated.
  • the fourth stepper motor 38 rotates the drum 40 counterclockwise until the rotational angular position -x ° is reached again.
  • the drum executes for each document 18 to be recorded 40 one turn counterclockwise. Is one of one current print job certain number of documents 18 stored in the pliers 42, the direction of rotation is reversed the drum 40 and the bundle of documents is in the output slot 26 provided for removal. For this, the Pliers 42 open.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Handling Of Sheets (AREA)
  • Discharge By Other Means (AREA)

Abstract

PCT No. PCT/DE97/02724 Sec. 371 Date Apr. 5, 1999 Sec. 102(e) Date Apr. 5, 1999 PCT Filed Nov. 20, 1997 PCT Pub. No. WO98/28137 PCT Pub. Date Jul. 2, 1998Document-printing arrangement (8) having a cutting arrangement (16) and a document collection station (22), which is designed as a drum (40) equipped with clamping elements (44). Starting from a rest position (-x DEG ), the drum (40) is accelerated in such a way that when the leading edge of a document arrives underneath the clamping elements (44), said drum has a circumferential speed which corresponds to the transport speed of a paper transport arrangement (12).

Description

Technisches GebietTechnical field

Die Erfindung betrifft eine Belegdruckeinrichtung nach dem Oberbegriff des Anspruchs 1.The invention relates to a receipt printing device according to the preamble of claim 1.

Stand der TechnikState of the art

Eine Belegdruckeinrichtung der genannten Art ist aus der internationalen Patentanmeldung WO 94/22117 A1 bekannt. In dieser kommt eine als Trommel ausgebildete Belegsammelstation zum Einsatz, wie sie in der deutschen Offenlegungsschrift DE 42 25 418 A1 beschrieben ist. Die Trommel wird erst dann in Drehbewegung versetzt, wenn von der Papiertransporteinrichtung ein Beleg unter die Klemmelemente transportiert worden ist. Dabei wird der Beleg gegen die aus dem Inneren der noch ruhenden Trommel ragenden Betätigungshebel der Klemmelemente geschoben und gestaucht, was zu einer Beulenbildung des Belegs zwischen der Druckstation und der Trommel führt. Da im Bereich der Beulenbildung auch die Schneideinrichtung angeordnet ist, führt die Belegbeule zu einer unvertretbar hohen Schnittlagentoleranz.A receipt printing device of the type mentioned is from the International patent application WO 94/22117 A1 known. In this comes a document collecting station designed as a drum used as in the German published application DE 42 25 418 A1 is described. The drum is only rotated when the paper transport device a slip under the clamping elements has been transported. The document is against those protruding from the inside of the still resting drum Actuating lever of the clamping elements pushed and compressed, resulting in a bumping of the slip between the printing station and the drum. Because in the area of Bulging also the cutting device is arranged the document bulge leads to an unacceptably high cut tolerance.

Aufgabe der Erfindung ist es daher, eine Belegdruckeinrichtung der genannten Art vorzuschlagen, bei der eine Beulenbildung des Belegs vermieden wird.The object of the invention is therefore a receipt printing device to propose the type mentioned in which one Bump formation of the document is avoided.

Die Aufgabe wird durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst. The task is characterized by the characteristic features of the Claim 1 solved.

Darstellung der ErfindungPresentation of the invention

Die Erfindung geht von der Überlegung aus, daß eine Beulenbildung des Belegs vermieden wird, wenn die Trommel zu dem Zeitpunkt, zu dem die Vorderkante der Endlospapierbahn tangential auf die Mantelfläche der Trommel auftrifft, die Umfangsgeschwindigkeit der Trommel mit der Vorschubgeschwindigkeit der Endlospapierbahn übereinstimmt, die Betätigungshebel der Klemmelemente also in geringem Abstand der vorwärts transportierten Papierkante vorauseilen.The invention is based on the consideration that a bulge of the receipt is avoided if the drum closes the time at which the leading edge of the continuous paper web strikes the surface of the drum tangentially, the peripheral speed of the drum with the Feed speed of the continuous paper web matches, the actuating lever of the clamping elements in close to the forward edge of the paper hurry ahead.

Dazu ist im Papierweg eine auf die Vorderkante der Endlospapierbahn ansprechende Lichtschranke angeordnet, und die Trommel nimmt in ihrer Ruhestellung eine zweite Winkelposition ein, die gegenüber einer ersten Winkelposition -in Drehrichtung der Trommel gesehen- um ein vorgebbares Winkelmaß zurückversetzt ist. Ausgehend von der zweiten Winkelposition wird die Trommel auf die Meldung der Vorderkante der Endlospapierbahn durch die Lichtschranke derart beschleunigt, daß sie zum Zeitpunkt des Einlaufens der Vorderkante der Endlospapierbahn in die Übergabeposition die erste Winkelposition erreicht hat und die Umfangsgeschwindigkeit der Trommel mit der Transportgeschwindigkeit der Endlospapierbahn übereinstimmt. Dadurch wird erreicht, daß die Vorderkante der Endlospapierbahn nicht mehr mit den Betätigungshebeln der Klemmelemente kollidiert. Eine Stauchung der Papierkante und eine Beulenbildung im Beleg verbleibt also. Es können deshalb auch besonders spröde Papiere oder solche mit einer geringen Eigensteifigkeit verarbeitet werden.There is one in the paper path on the front edge of the continuous paper web Appealing photoelectric switch arranged, and the drum takes a second angular position in its rest position one opposite a first angular position - seen in the direction of rotation of the drum - a definable Angular dimension is set back. Starting from the second Angular position, the drum on the message of the Front edge of the continuous paper web through the light barrier accelerated so that at the time of arrival the front edge of the continuous paper web in the transfer position has reached the first angular position and the peripheral speed the drum at the transport speed the continuous paper web matches. Thereby is achieved that the leading edge of the continuous paper web no longer with the actuating levers of the clamping elements collided. A compression of the paper edge and a bulge remains in the receipt. It can therefore also particularly brittle papers or those with a small one Inherent rigidity can be processed.

Ein weiterer Vorteil der erfindungsgemäßen Belegdruckeinrichtung ist darin zu sehen, daß auch Druckverfahren mit einer großen Papiervorschubgeschwindigkeit und solche mit kontinuierlichem Papiervorschub eingesetzt werden können. Dieser Vorteil wird in Fortbildung der Erfindung dadurch genutzt, daß die Druckstation eine Thermodruckleiste umfaßt.Another advantage of the receipt printing device according to the invention can be seen in the fact that printing processes with a high paper feed speed and those with continuous paper feed can be used. This advantage is further developed in the invention used that the printing station includes a thermal print bar.

Eine Verstellung der Klemmelemente zwischen ihrer Freigabestellung und ihrer Klemmstellung während der Rotation der Trommel ist in besonders einfacher Weise dadurch realisierbar, daß die Verstellung durch einen eigens dafür vorgesehenen Elektromotor erfolgt.An adjustment of the clamping elements between their release position and their clamping position during rotation the drum can be realized in a particularly simple manner, that the adjustment by a specially for this provided electric motor.

In einer vorteilhaften Weiterbildung der Erfindung sind die Elektromotoren als Schrittmotoren ausgebildet. Die Papiervorschub-Geschwindigkeit ist durch die Schrittimpulsfolge des die Druckwalze antreibenden Elektromotors bekannt. Deshalb ist es in einfacher Weise möglich, den Elektromotor der Trommel mit Schrittimpulsen zu beaufschlagen, die eine an die Umfangsgeschwindigkeit der -die Endlospapierbahn durch die Druckstation fördernden-Druckwalze angepaßte Beschleunigungsrampe definieren, wobei der Elektromotor der Trommel mit der Erfassung der Vorderkante der Endlospapierbahn durch die Lichtschranke gestartet wird. Ausgehend von der Vorderkante der Endlospapierbahn kann zugleich die aktuelle Länge eines Belegs aus der Zahl der Schrittimpulse des die Druckwalze antreibenden Elektromotors ermittelt und bei Erreichen einer vorgegebenen Soll-Beleglänge die Elektromotoren der Papiertransporteinrichtung, der Druckwalze und der Trommel angehalten und die Schneideinrichtung betätigt werden.In an advantageous development of the invention the electric motors are designed as stepper motors. The Paper feed speed is through the step pulse train of the electric motor driving the pressure roller known. Therefore, it is possible in a simple manner To apply step pulses to the electric motor of the drum, the one to the peripheral speed of the die Continuous paper web through the printing station conveying printing roller Define adjusted acceleration ramp, where the electric motor of the drum with the detection of the Front edge of the continuous paper web through the light barrier is started. Starting from the front edge of the continuous paper web can also be the current length of a document from the number of step impulses of the pressure roller driving Electric motor determined and when reaching predetermined target document length of the electric motors Paper transport device, the platen and the drum stopped and the cutter is operated.

Kurzbeschreibung der ZeichnungBrief description of the drawing

Die einzige Figur zeigt eine schematische Schnittdarstellung einer Belegdruckeinrichtung mit Belegsammelstation. The single figure shows a schematic sectional view a receipt printing device with a receipt collecting station.

Detaillierte Beschreibung der ErfindungDetailed description of the invention

Eine in der Figur schematisch dargestellte Belegdruckeinrichtung 8 enthält einen Papierweg 10, an dem eine Papiertransporteinrichtung 12, eine Druckstation 14, eine Schneideinrichtung 16 zum Abtrennen einzelner Belege 18 von einer Endlospapierbahn 20 und eine Belegsammelstation 22 für abgetrennte Belege 18 angeordnet sind. Die Endlospapierbahn 20 kann auf einer Rolle aufgerollt oder Z-gefaltet sein. Sie kann blanko oder mit vorgedruckten Formularen versehen sein, die in der Druckstation 14 nur noch ausgefüllt werden.A receipt printing device shown schematically in the figure 8 contains a paper path 10 on which a paper transport device 12, a printing station 14, a Cutting device 16 for separating individual receipts 18 from a continuous paper web 20 and a document collecting station 22 for separated receipts 18 are arranged. The continuous paper web 20 can be rolled up on a roll or Z-folded his. It can be blank or with pre-printed ones Forms are provided in the printing station 14 only still to be filled out.

Der Papierweg 10 erstreckt sich von einem Eingangsbereich 24 zur Eingabe der Endlospapierbahn 20 bis zu einem Ausgabeschlitz 26 zur Ausgabe fertig bedruckter Belege 18. An den Eingangsbereich 24 schließt sich die Papiertransporteinrichtung 12 an. Diese bestehen im wesentlichen aus einem von einem ersten Schrittmotor 28 angetriebenen Antriebsrollenpaar 30, das vor der Druckstation 14 angeordnet ist. Letztere umfaßt eine über dem Papierweg angeordnete Thermodruckleiste 32 und eine dieser gegenüber unterhalb des Papierweges 10 angeordnete, von einem zweiten Schrittmotor 33 angetriebene Druckwalze 34. Hinter der Druckstation 14 ist eine Lichtschranke 48 in den Papierweg 10 eingefügt, die auf die Vorderkante der Endlospapierbahn 20 anspricht.The paper path 10 extends from an entrance area 24 for entering the continuous paper web 20 up to an output slot 26 for issuing finished printed receipts 18. The paper transport device is connected to the entrance area 24 12 on. These essentially consist of a pair of drive rollers driven by a first stepper motor 28 30, which is arranged in front of the printing station 14 is. The latter includes one arranged above the paper path Thermal print bar 32 and one of these opposite below the paper path 10 arranged by a second Stepper motor 33 driven pressure roller 34. Behind the Printing station 14 is a light barrier 48 in the paper path 10 inserted on the leading edge of the continuous paper web 20 appeals.

Im Papierweg 10, der Lichtschranke 48 nachgeordnet, befindet sich die Schneideinrichtung 16 mit einem als Schneidrolle 35 ausgebildeten Messer, das mit einer Schneidschiene 36 zusammenwirkt. Die Schneidrolle 35 ist von einem dritten Schrittmotor 37 senkrecht zur Transportrichtung der Endlospapierbahn 20 über deren gesamte Breite verschiebbar. Die Schneideinrichtung 16 dient dazu, die Belege 18 von der Endlospapierbahn 20 abzuschneiden und so zu vereinzeln. Located in paper path 10, downstream of light barrier 48 the cutting device 16 with a Cutting roller 35 trained knife that with a Cutting rail 36 cooperates. The cutting roller 35 is by a third stepper motor 37 perpendicular to the transport direction the continuous paper web 20 over its entire length Slidable width. The cutting device 16 serves to to cut off the documents 18 from the continuous paper web 20 and so to separate.

An die Schneideinrichtung 16 schließt sich die Belegsammelstation 22 an, deren prinzipieller Aufbau und Funktion in der DE 42 25 418 A1 beschrieben ist und deshalb hier nur insoweit erläutert wird, als dies für das Verständnis der vorliegenden Erfindung notwendig ist. Die Belegsammelstation 22 enthält eine von einem vierten Schrittmotor 38 in beiden Drehrichtungen antreibbare Trommel 40, die die einzelnen Belege 18 in einer Zange 42 transportiert. Diese ist aus Klemmelementen 44 gebildet, die auf der Außenseite der Trommel 40 angeordnet sind, und die zwischen einer an deren Mantelfläche anliegenden Klemmstellung (mit durchgezogenen Linien dargestellten) und einer (strichpunktiert dargestellten) abgehobenen Freigabestellung unabhängig vom Drehantrieb der Trommel 40 verstellbar sind. Während aber bei der Anordnung nach der DE 42 25 418 A1 die Verstellung der Klemmelemente und der Antrieb der Trommel durch einen einzigen Antrieb erfolgt, mit dem diese Elemente wahlweise kuppelbar sind, werden die Klemmelemente 44 hier von einem separaten Antrieb, einem fünften Schrittmotor 46 betätigt. Dieser vermag einen die Klemmelemente verschwenkenden, konzentrisch zur Trommel 40 angeordneten Stellring 41 relativ zu der Trommel 40 in beiden Drehrichtungen zu drehen. Die Zange 42 wird bei Drehung des Stellrings 41 im Uhrzeigersinn geöffnet und bei Drehung im Gegenuhrzeigersinn geschlossen. Damit ist eine Verstellung der Klemmelemente 44 während der Drehung der Trommel 40 möglich.The document collecting station is connected to the cutting device 16 22, their basic structure and function is described in DE 42 25 418 A1 and therefore here is only explained to the extent that this is for understanding of the present invention is necessary. The document collection station 22 includes one of a fourth stepper motor 38 drivable in both directions of rotation 40, the the individual receipts 18 are transported in tongs 42. This is formed from clamping elements 44 on the outside the drum 40 are arranged, and between a clamping position resting on the lateral surface (shown with solid lines) and one (dot-dash line) lifted release position adjustable independently of the rotary drive of the drum 40 are. But while in the arrangement according to DE 42 25 418 A1 the adjustment of the clamping elements and the drive the drum is driven by a single drive, with which these elements can optionally be coupled the clamping elements 44 here from a separate drive, a fifth stepper motor 46 is actuated. This one can the clamping elements pivoting, concentric to Drum 40 arranged collar 41 relative to the drum 40 to rotate in both directions. The pliers 42 is opened when the adjusting ring 41 is turned clockwise and closed when turned counterclockwise. This is an adjustment of the clamping elements 44 during the rotation of the drum 40 possible.

Die fünf Schrittmotoren 28, 33, 37, 38 und 46, die Thermodruckleiste 32 und die Lichtschranke 48 sind mit einer Steuereinrichtung 50 verbunden, der über eine Datenleitung 52 die Druckaufträge von außerhalb der Belegdruckeinrichtung 8 zugeführt werden. Diese steuert die Belegdruckeinrichtung 8 in der nachfolgend für einen Belegbearbeitungsvorgang beschriebenen Weise, wobei davon ausgegangen wird, daß die Trommel 40 in einer Drehwinkelposition -x° steht. In dieser Position befinden sich die von der Mantelfläche der Trommel 40 abgehobenen Klemmelemente in einer punktiert dargestellten Position 44" unterhalb der Berührungslinie der Endlospapierbahn 20 mit der Trommel 40.The five stepper motors 28, 33, 37, 38 and 46, the thermal print bar 32 and the light barrier 48 are with a Control device 50 connected via a data line 52 the print jobs from outside the receipt printing device 8 are supplied. This controls the receipt printing facility 8 in the following for a document processing operation described way, assuming the drum 40 will be in a rotational angular position -x ° stands. In this position are those of the lateral surface of the drum 40 lifted clamping elements in a dotted position 44 "below the line of contact of the continuous paper web 20 with the drum 40.

Der Belegbearbeitungsvorgang beginnt damit, daß die Endlospapierbahn 20 so weit entlang dem Papierweg 10 transportiert wird, bis die Lichtschranke 48 die Vorderkante der Endlospapierbahn 20 meldet. Damit hat die Thermodruckleiste 32 einen definierten Abstand zu der Vorderkante. Die Schrittimpulse des zweiten Schrittmotors 33 werden von da an mitgezählt, so daß das Bedrucken eines Belegs zeilenrichtig erfolgen kann. Da der Druckvorgang mit der Thermodruckleiste mit einem kontinuierlichen Papiervorschub einhergeht, ist die Zeit, die bis zum Auftreffen der Vorderkante der Endlospapierbahn 20 auf die Trommel 40 vergeht, und damit auch die Zahl der Schrittimpulse bekannt, die dem zweiten Schrittmotor 33 noch zugeführt werden müssen. Mit Erreichen eines durch die Geometrie der Belegdruckeinrichtung 8 und die Umfangsgeschwindigkeit der Druckwalze 34 vorgegebenen Schrittes wird der vierte Schrittmotor 38 mit einer Schrittimpulsfolge beaufschlagt, die einer definierten Beschleunigungsrampe der Trommel 40 bis auf eine mit der Vorschubgeschwindigkeit der Endlospapierbahn 20 übereinstimmende Umfangsgeschwindigkeit entspricht. Die Schrittimpulsfolge ist so gewählt, daß die Trommel 40 ihre Drehwinkelposition 0° zum Eintreffenszeitpunkt der Vorderkante der Endlospapierbahn 20 gerade erreicht hat und sich mit einer der Vorschubgeschwindigkeit der Endlospapierbahn 20 entsprechenden Umfangsgeschwindigkeit dreht. In dieser Position sind die Klemmelemente von der Mantelfläche der Trommel abgehoben und befinden sich in der strichpunktiert dargestellten Position 44'. Sobald die Trommel 40 die Drehwinkelposition 0° überfahren hat, wird der fünfte Schrittmotor 46 so bestromt, daß der Stellring 41 relativ zur Trommel 40 im Gegenuhrzeigersinn gedreht wird, wodurch sich während der Drehung der Trommel die Zange 42 schließt.The document processing process begins with the continuous paper web 20 transported as far along the paper path 10 until the light barrier 48 the leading edge the continuous paper web 20 reports. So the thermal print bar 32 a defined distance from the front edge. The step pulses of the second step motor 33 are counted from then on, so that the printing of a Receipt can be done line by line. Because the printing process with the thermal print bar with a continuous paper feed is the time it takes to hit the leading edge of the continuous paper web 20 on the Drum 40 passes, and so does the number of step pulses known that the second stepper motor 33 is still fed Need to become. By reaching one through the geometry the receipt printing device 8 and the peripheral speed the pressure roller 34 predetermined step becomes the fourth stepper motor 38 with a step pulse train acts on a defined acceleration ramp the drum 40 except for one at the feed rate the continuous paper web 20 matching Corresponds to the peripheral speed. The step pulse train is chosen so that the drum 40 its angular position 0 ° at the time of arrival of the leading edge of the Continuous paper web 20 has just reached and with a the feed speed of the continuous paper web 20 corresponding peripheral speed rotates. In this Position are the clamping elements from the lateral surface of the Drum lifted and are in the dash-dotted line position 44 'shown. Once the drum 40 has passed the angle of rotation position 0 °, the fifth stepper motor 46 is energized so that the collar 41st rotated counterclockwise relative to drum 40 is, which during the rotation of the drum Pliers 42 closes.

Die Belegtransporteinrichtung 12, die Druckwalze 34 und die Trommel 40 werden so lange in Vorwärtstransportrichtung der Endlospapierbahn 20 weiterbetrieben, bis die Sollänge des Belegs 18 erreicht ist. Darauf werden der erste, zweite und vierte Schrittmotor 28, 33, 38 mit Schrittimpulsen einer definierten Abbremsrampe beaufschlagt, die so bemessen ist, daß die Endlospapierbahn 20 zwischen der Druckwalze 34 und der Trommel 40 stets straff gespannt ist. Bei Stillstand der drei Schrittmotoren 28, 33, 38 befindet sich der untere Rand des Belegs 18 auf der Schneidelinie der Schneideinrichtung 16, die nunmehr durch Versorgung des dritten Schrittmotors 37 mit einer entsprechenden Impulsfolge betätigt wird. Danach wird der erste Schrittmotor 28 und der zweite Schrittmotor 33 gegen die Einzugrichtung der Papiertransporteinrichtung 12 betrieben, wodurch die Endlospapierbahn 20 zurückbefördert wird, bis deren Vorderkante die Lichtschranke 48 wieder freigibt. Der vierte Schrittmotor 38 dreht die Trommel 40 im Gegenuhrzeigersinn, bis die Drehwinkelposition -x° wieder erreicht ist.The document transport device 12, the printing roller 34 and the drum 40 will be in the forward transport direction for so long the continuous paper web 20 continues to operate until the Target length of document 18 is reached. Then the first, second and fourth stepper motor 28, 33, 38 with Step impulses applied to a defined braking ramp, which is dimensioned so that the continuous paper web 20th always between the platen roller 34 and the drum 40 is taut. When the three stepper motors are at a standstill 28, 33, 38 is the lower edge of the document 18 on the cutting line of the cutter 16, the now by supplying the third stepper motor 37 with a corresponding pulse sequence is actuated. After that becomes the first stepper motor 28 and the second stepper motor 33 against the feed direction of the paper transport device 12 operated, whereby the continuous paper web 20th is transported back until the front edge of the light barrier 48 releases again. The fourth stepper motor 38 rotates the drum 40 counterclockwise until the rotational angular position -x ° is reached again.

Für jeden aufzunehmenden Beleg 18 vollführt die Trommel 40 eine Umdrehung im Gegenuhrzeigersinn. Ist eine von einem laufenden Druckauftrag bestimmte Anzahl von Belegen 18 in der Zange 42 abgelegt, erfolgt eine Drehrichtungsumkehr der Trommel 40 und das Belegbündel wird im Ausgabeschlitz 26 zur Entnahme bereitgestellt. Hierzu wird die Zange 42 geöffnet.The drum executes for each document 18 to be recorded 40 one turn counterclockwise. Is one of one current print job certain number of documents 18 stored in the pliers 42, the direction of rotation is reversed the drum 40 and the bundle of documents is in the output slot 26 provided for removal. For this, the Pliers 42 open.

Claims (5)

  1. Document-printing arrangement (8), in whose paper path (10) there are arranged a paper transport arrangement (12) driven by a first electric motor (28), a printing station (14), a cutting arrangement (16) for cutting individual documents (18) from a continuous paper web (20) and a document collection station (22) for documents that have been cut off, whose document collection station (22) is designed as a drum (40), which can be rotated by a fourth electric motor (38) and on whose outer side there are arranged clamping elements (44), which can be displaced between a clamping position, resting on the outer surface, and a raised, releasing position, independently of the rotary drive (28) of the drum (40), a document (18) being able to run under the raised clamping elements (44) at a transfer position at a specific first angular position (0°) of the drum (40) relative to the paper path (10), a light barrier (48) that responds to the leading edge of the continuous paper web (20) being arranged in the paper path (10), characterized in that in its rest position the drum (40) assumes a second angular position (-x°) which - as viewed in the direction of rotation of the drum (40) - is set back by a prescribable angular dimension with respect to the first angular position (0°) and, starting from the second angular position (-x°), when the leading edge of the continuous paper web (20) is reported, the said drum (40) is accelerated in such a way that, at the moment at which the leading edge of the continuous paper web (20) runs into the transfer position, the drum (40) has reached the first angular position (0°) and the circumferential speed of the drum (40) corresponds to the transport speed of the paper transport arrangement (12).
  2. Document-printing arrangement according to Claim 1, characterized in that the printing station (14) comprises a thermal printing bar (32), which is opposite an impression roll (34) which can be rotated by a second electric motor (33).
  3. Document-printing arrangement according to Claim 1 or 2, characterized in that during the rotation of the drum (40) the clamping elements (44) can be displaced by a fifth electric motor (46) between their releasing position and their clamping position.
  4. Document-printing arrangement according to one of Claims 1 to 3, characterized in that the cutting arrangement (16) comprises a cutting roller (36) which can be moved transversely with respect to the paper path (10) by a third electric motor (37).
  5. Document-printing arrangement according to one of Claims 1 to 4, characterized in that at least a first electric motor (28) driving the paper transport arrangement (12), the second (33) and the fourth electric motor (38) are designed as a stepping motor, in that when the leading edge of the continuous paper web (20) is detected by the light barrier (48), the fourth electric motor (38) has applied to it stepping pulses defining a predefined acceleration ramp and, at the same time, the length of a document (18), starting from the leading edge of the continuous paper web (20), is determined from the number of stepping pulses of the second electric motor (33), and in that when a predefined desired document length is reached, the first (28), the second (33) and the fourth electric motor (38) are stopped and the cutting arrangement (16) is operated.
EP97951791A 1996-12-20 1997-11-20 Document-printing arrangement with document-collection station Expired - Lifetime EP0946364B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19653487 1996-12-20
DE19653487A DE19653487C1 (en) 1996-12-20 1996-12-20 Document printing device with document collecting station
PCT/DE1997/002724 WO1998028137A1 (en) 1996-12-20 1997-11-20 Document-printing arrangement with document-collection station

Publications (2)

Publication Number Publication Date
EP0946364A1 EP0946364A1 (en) 1999-10-06
EP0946364B1 true EP0946364B1 (en) 2001-10-04

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EP97951791A Expired - Lifetime EP0946364B1 (en) 1996-12-20 1997-11-20 Document-printing arrangement with document-collection station

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US (1) US6132121A (en)
EP (1) EP0946364B1 (en)
AT (1) ATE206359T1 (en)
DE (1) DE19653487C1 (en)
WO (1) WO1998028137A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19916196B4 (en) * 1999-04-10 2004-05-06 Heinz Strohdiek Device and method for collecting sheet material
US6511065B1 (en) * 2001-08-28 2003-01-28 Heidelberger Druckmaschinen Ag Method for transferring signatures and gripper assembly for a matched velocity transfer device
US6814517B2 (en) * 2003-02-20 2004-11-09 Eastman Kodak Company Single pass multi-color printer with improved cutting apparatus and method
JP2012056641A (en) * 2010-09-03 2012-03-22 Toshiba Tec Corp Roll paper detecting device, roll paper detecting method, and printer

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Publication number Priority date Publication date Assignee Title
US4132403A (en) * 1977-07-07 1979-01-02 Veb Polygraph Leipzig Kombinat Fuer Polygraphische Maschinen Und Ausruestungen Sheet transfer apparatus for printing machine
DE2926387C2 (en) * 1979-06-29 1981-10-01 Windmöller & Hölscher, 4540 Lengerich Collecting cylinder for forming stacks from flat workpieces
US4594597A (en) * 1985-08-13 1986-06-10 Sanders Associates, Inc. Thermal printer
JP2507442B2 (en) * 1986-06-20 1996-06-12 株式会社リコー Image forming device
DE4221578A1 (en) * 1992-07-01 1994-01-05 Heidelberger Druckmasch Ag Device and method for sheet detection
DE4225418C2 (en) * 1992-07-31 1996-06-13 Siemens Nixdorf Inf Syst Device for transferring sheet material and for transferring the sheet material to a removal station
US5606913A (en) * 1993-03-16 1997-03-04 Ward Holding Company Sheet registration control
EP0690791B1 (en) * 1993-03-23 1997-06-18 Siemens Nixdorf Informationssysteme AG Document printing device with a device and process for print monitoring
JPH08508122A (en) * 1993-03-23 1996-08-27 シーメンス ニクスドルフ インフオルマチオーン スジステーメ アクチエンゲゼルシャフト Certificate printing device and method of detecting a certificate through control markings using the certificate printing device
US5768675A (en) * 1996-08-16 1998-06-16 Intermec Corporation On-demand narrow web electrophotographic printer

Also Published As

Publication number Publication date
ATE206359T1 (en) 2001-10-15
WO1998028137A1 (en) 1998-07-02
EP0946364A1 (en) 1999-10-06
US6132121A (en) 2000-10-17
DE19653487C1 (en) 1998-07-23

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