EP0101070A2 - Paper insertion device for printing installations - Google Patents

Paper insertion device for printing installations Download PDF

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Publication number
EP0101070A2
EP0101070A2 EP83107917A EP83107917A EP0101070A2 EP 0101070 A2 EP0101070 A2 EP 0101070A2 EP 83107917 A EP83107917 A EP 83107917A EP 83107917 A EP83107917 A EP 83107917A EP 0101070 A2 EP0101070 A2 EP 0101070A2
Authority
EP
European Patent Office
Prior art keywords
paper
roller
paper feed
feed device
roll
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP83107917A
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German (de)
French (fr)
Other versions
EP0101070B1 (en
EP0101070A3 (en
Inventor
Erich Ing.-Grad. Moser
Peter Ing.-Grad. Rumpel
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.)
Siemens AG
Original Assignee
Siemens AG
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
Application filed by Siemens AG filed Critical Siemens AG
Priority to AT83107917T priority Critical patent/ATE25356T1/en
Publication of EP0101070A2 publication Critical patent/EP0101070A2/en
Publication of EP0101070A3 publication Critical patent/EP0101070A3/en
Application granted granted Critical
Publication of EP0101070B1 publication Critical patent/EP0101070B1/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00—Devices 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
    • B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
    • B41J13/14—Aprons or guides for the printing section

Definitions

  • the invention relates to a paper feed device according to the preamble of patent claim 1.
  • Paper feed devices with the features specified in the preamble of claim 1 are generally known and are also used successfully for the types of construction of the printing and writing devices which are widespread on the market.
  • the essential components of such paper feed devices are a paper roller and a paper guide trough, which is combined with pressure rollers. This is arranged below the paper roller in such a way that the paper drawn from behind, under the paper roller, is led forward into the writing line area (DE-AS 27 31 182).
  • a so-called paper holder which can be provided with rollers, is provided for guiding the upper edge of the paper.
  • the paper can be inserted between the paper roller and the paper guide trough, the latter can be swung out together with the pressure rollers via a swivel mechanism.
  • the pressure rollers When the pressure rollers are put back on, it is no longer possible to correct the position of the paper without damaging it, since it is jammed. Subsequent correction is only possible when the pressure rollers are swung out.
  • the pinch rollers are structurally complex parts because they have to fit the paper roller precisely and with even force in order to ensure an even paper flow.
  • a particular advantage of the paper feed device according to the invention is that the paper, i.e. individual sheets of paper or roll paper can be easily inserted into the paper feed device without damaging them.
  • a particularly advantageous embodiment provides for the use of a sheet spring film which, together with the paper roll, forms the paper insertion channel.
  • a paper feed device of a printer device is shown in cross section.
  • the printing device which is not described in more detail here, has a printing unit 10, which is moved via an electrical drive device, not shown here, along a recording medium to be printed.
  • This record Paper 5 for example, is brought into the writing line area opposite the printing unit 10 via a paper feeding device described in more detail below, or is correspondingly transported further by this paper feeding device during line-by-line writing.
  • the paper feed device consists of a wedge-like paper insertion channel 1, which is formed by a paper roll 2 and a spring sheet foil 3.
  • the paper channel 1 faces the rear end of the printer device.
  • the spring sheet film 3 hugs the entire length of the rapier roll 2 to about 15% of the circumference thereof.
  • the spring metal sheet 3 is for this purpose on a frame 4 of the printer device, not shown here, at the open end of the paper insertion channel 1, e.g. fixed by gluing.
  • the other end of the spring sheet metal foil 3 lies freely on the frame 4 such that the spring sheet metal foil 3 is pressed against the paper roll 2 due to its spring force.
  • the paper roller 2 is provided for feeding the paper 5 during the printing operation. For this purpose, this is guided through a paper guide plate 6 and paper holder 7 when the paper roll 2 rotates around it. At the same time, the paper 5 is moved over the writing line area, which is located between the paper holders 7 and the paper guide plate 6.
  • the embodiment of the paper feed device according to FIG. 2 differs slightly from that according to FIG. 1.
  • the paper roll 2 is entrained during the printing operation by the paper 5 moved by a drive roller 8, ie set in rotation.
  • the drive roller 8 is connected downstream of the paper roll 2 in the transport direction of the paper 5.
  • a pressure bar 9 is arranged, which represents the writing line area.
  • the paper roll 2 is a driver roll, this is used, for example, to measure the length of the paper 5 moved by the drive roll 8.
  • the measuring device is not shown here.
  • the operation of the paper feed device is that paper 5, i.e. Writing sheets or roll paper, are guided into the wedge-like paper insertion channel 1, and then drawn in or transported further by rotating the paper roller 2.
  • the pressure force of the spring metal sheet 3 on the paper roll 2 is dimensioned such that on the one hand the paper 5 is pushed in between and the position thereof can be corrected later.

Landscapes

  • Handling Of Cut Paper (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Rotary Presses (AREA)
  • Handling Of Sheets (AREA)
  • Handling Of Continuous Sheets Of Paper (AREA)

Abstract

1. A paper feed device for printing devices comprising a paper roller (2) which is moved together with the paper (5), where the paper (5) is moved over a printing line region by a driving device, and comprising a wedge-like paper feed channel (1) between the paper roller (2) and a resilient guide body, characterised in that the guide body constantly presses against the paper roller (2), and is formed by a spring foil (3) which meets the lower region of said paper roller at a region of the spring foil which is central in the machine direction, which spring foil is supported on the frame (4) of the printer device at both ends viewed in the machine direction, where the one end is secured to the frame (4), whereas the other end is supported on the frame (4) so as to freely rest thereon.

Description

Die Erfindung betrifft eine Papiereinzugsvorrichtung gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a paper feed device according to the preamble of patent claim 1.

Papiereinzugsvorrichtungen mit den im Oberbegriff des Patentanspruchs 1 angegebenen Merkmalen sind allgemein bekannt und für die Konstruktionsarten der sich verbreitet auf dem Markt befindlichen Druck- und Schreibeinrichtungen auch mit Erfolg zur Anwendung gelangt. Die wesentlichen Bestandteile solcher Papiereinzugsvorrichtungen sind eine Papierwalze und eine Papierführungswanne, die mit Andruckrollen kombiniert ist. Diese ist unterhalb der Papierwalze derart angeordnet, daß das von hinten, unter der Papierwalze hindurchgezogene Papier nach vorne in den Schreibzeilenbereich geführt wird (DE-AS 27 31 182). Derartige Vorrichtungen ermöglichen den Einzug sowohl von Schreibblättern als auch von Rollenpapier. Zum Führen des oberen Randes des Papiers ist ein sogenannter Papierhalter, der mit Rollen versehen sein kann, vorgesehen. Damit das Papier zwischen Papierwalze und Papierführungswanne eingelegt werden kann, ist letztere zusammen mit den Andruckrollen über einen Schwenkmechanismus abschwenkbar. Bei wieder angelegten Andruckrollen ist eine Korrektur der Lage des Papiers ohne Beschädigung desselben nicht mehr möglich, da es festgeklemmt ist. Eine nachträgliche Korrektur ist nur bei abgeschwenkten Andruckrollen möglich. Die Andruckrollen sind konstruktiv aufwendige Teile, da sie exakt und mit gleichmäßiger Kraft an der Papierwalze anliegen müssen, um einen gleichmäßigen Papierlauf zu gewährleisten.Paper feed devices with the features specified in the preamble of claim 1 are generally known and are also used successfully for the types of construction of the printing and writing devices which are widespread on the market. The essential components of such paper feed devices are a paper roller and a paper guide trough, which is combined with pressure rollers. This is arranged below the paper roller in such a way that the paper drawn from behind, under the paper roller, is led forward into the writing line area (DE-AS 27 31 182). Such devices enable the drawing in of both writing sheets and roll paper. A so-called paper holder, which can be provided with rollers, is provided for guiding the upper edge of the paper. So that the paper can be inserted between the paper roller and the paper guide trough, the latter can be swung out together with the pressure rollers via a swivel mechanism. When the pressure rollers are put back on, it is no longer possible to correct the position of the paper without damaging it, since it is jammed. Subsequent correction is only possible when the pressure rollers are swung out. The pinch rollers are structurally complex parts because they have to fit the paper roller precisely and with even force in order to ensure an even paper flow.

Es ist Aufgabe der Erfindung, eine Papiereinzugsvorrichtung anzugeben, bei der konstruktiv einfache Teile verwendet werden, bei der ein Schwenkmechanismus unnötig, und bei der eine Korrektur der Lage des Papiers auch nachträglich möglich ist.It is an object of the invention to provide a paper feed device in which structurally simple parts are used, in which a pivoting mechanism is unnecessary, and in which a correction of the position of the paper is also possible subsequently.

Diese Aufgabe wird erfindungsgemäß durch die im kennzeichnenden Teil des Patentanspruchs 1 angegebenen Merkmale gelöst.This object is achieved by the features specified in the characterizing part of patent claim 1.

Ein besonderer Vorteil der erfindungsgemäßen Papiereinzugsvorrichtung ist, daß das Papier, d.h. einzelne Schreibblätter oder Rollenpapier, leicht und ohne Beschädigung desselben in die Papiereinzugsvorrichtung eingelegt werden kann.A particular advantage of the paper feed device according to the invention is that the paper, i.e. individual sheets of paper or roll paper can be easily inserted into the paper feed device without damaging them.

Eine besonders vorteilhafte Ausgestaltung sieht die Verwendung einer Federblechfolie vor, die zusammen mit der Papierwalze den Papiereinführkanal bildet.A particularly advantageous embodiment provides for the use of a sheet spring film which, together with the paper roll, forms the paper insertion channel.

Im folgenden wird die erfindungsgemäße Papiereinzugsvorrichtung anhand von in den Zeichnungen dargestellten Ausführungsbeispielen beschrieben. Dabei zeigen

  • Fig. 1 ein Ausführungsbeispiel einer Papiereinzugsvorrichtung, wobei eine Papierwalze zum Transport einer Papierbahn dient und
  • Fig. 2 ein Ausführungsbeispiel einer Papiereinzugsvorrichtung, wobei die Papierwalze durch die transportierte Papierbahn bewegt wird.
The paper feed device according to the invention is described below with reference to exemplary embodiments shown in the drawings. Show
  • Fig. 1 shows an embodiment of a paper feed device, wherein a paper roller is used to transport a paper web and
  • Fig. 2 shows an embodiment of a paper feed device, wherein the paper roller is moved by the transported paper web.

In der Fig. 1 ist eine Papiereinzugsvorrichtung einer Druckereinrichtung im Querschnitt dargestellt. Die hier nicht näher beschriebene Druckeinrichtung weist ein Druckwerk 10 auf, das über eine hier nicht dargestellte elektrische Antriebseinrichtung entlang eines zu bedrukkenden Aufzeichnungsträgers bewegt wird. Dieser Aufzeichnungsträger beispielsweise Papier 5, wird über eine im folgenden näher beschriebene Papiereinzugsvorrichtung in den, dem Druckwerk 10 gegenüberliegenden Schreibzeilenbereich gebracht bzw. von dieser Papiereinzugsvorrichtung beim zeilenweisen Schreiben entsprechend weiter transportiert.In Fig. 1, a paper feed device of a printer device is shown in cross section. The printing device, which is not described in more detail here, has a printing unit 10, which is moved via an electrical drive device, not shown here, along a recording medium to be printed. This record Paper 5, for example, is brought into the writing line area opposite the printing unit 10 via a paper feeding device described in more detail below, or is correspondingly transported further by this paper feeding device during line-by-line writing.

Die Papiereinzugsvorrichtung besteht aus einem keilähnlichen Papiereinführkanal 1, der durch eine Papierwalze 2 und eine Federblechfolie 3 gebildet wird. Der Papierkanal 1 weist hierbei zum rückwärtigen Ende der Druckereinrichtung. Die Federblechfolie 3 schmiegt sich auf der ganzen Länge auf ca. 15 % des Umfanges der rapierwalze 2 an diese an. Die Federblechfolie 3 ist dazu an einem hier nicht näher dargestellten Rahmen 4 der Druckereinrichtung am offenen Ende des Papiereinführkanals 1, z.B. durch Verkleben, befestigt. Das andere Ende der Federblechfolie 3 liegt frei derart auf dem Rahmen 4, daß die Federblechfolie 3 aufgrund ihrer Federkraft gegen die Papierwalze 2 gedrückt wird.The paper feed device consists of a wedge-like paper insertion channel 1, which is formed by a paper roll 2 and a spring sheet foil 3. The paper channel 1 faces the rear end of the printer device. The spring sheet film 3 hugs the entire length of the rapier roll 2 to about 15% of the circumference thereof. The spring metal sheet 3 is for this purpose on a frame 4 of the printer device, not shown here, at the open end of the paper insertion channel 1, e.g. fixed by gluing. The other end of the spring sheet metal foil 3 lies freely on the frame 4 such that the spring sheet metal foil 3 is pressed against the paper roll 2 due to its spring force.

Die Papierwalze 2 ist für den Vorschub des Papiers 5 während des Druckbetriebes vorgesehen. Dazu wird dieses durch ein Papierführungsblech 6 und Papierhalter 7 bei einer Drehbewegung der Papierwalze 2 um diese herumgeführt. Zugleich wird dabei das Papier 5 über den Schreibzeilenbereich bewegt, der sich zwischen den Papierhaltern 7 und dem Papierführungsblech 6 befindet.The paper roller 2 is provided for feeding the paper 5 during the printing operation. For this purpose, this is guided through a paper guide plate 6 and paper holder 7 when the paper roll 2 rotates around it. At the same time, the paper 5 is moved over the writing line area, which is located between the paper holders 7 and the paper guide plate 6.

Das Ausführungsbeispiel der Papiereinzugsvorrichtung gemäß Fig. 2 unterscheidet sich geringfügig von der gemäß Fig. 1. Hier wird die Papierwalze 2 beim Druckbetrieb durch das, von einer Antriebsrolle 8 bewegte Papier 5 mitgenommen, d.h. in Drehbewegung versetzt. Die Antriebsrolle 8 ist hierbei in Transportrichtung des Papiers 5 der Papierwalze 2 nachgeschaltet. Zwischen der Antriebsrolle 8 und der Papierwalze 2 ist ein Druckbalken 9 angeordnet, der den Schreibzeilenbereich darstellt. In diesem Fall, in dem die Papierwalze 2 eine Mitnehmerrolle ist, dient diese beispielsweise zum Messen der Länge des von der Antriebsrolle 8 bewegten Papiers 5. Die Einrichtung zum Messen ist hier nicht dargestellt.The embodiment of the paper feed device according to FIG. 2 differs slightly from that according to FIG. 1. Here, the paper roll 2 is entrained during the printing operation by the paper 5 moved by a drive roller 8, ie set in rotation. The drive roller 8 is connected downstream of the paper roll 2 in the transport direction of the paper 5. Between the drive roll 8 and the paper roller 2, a pressure bar 9 is arranged, which represents the writing line area. In this case, in which the paper roll 2 is a driver roll, this is used, for example, to measure the length of the paper 5 moved by the drive roll 8. The measuring device is not shown here.

Die Wirkungsweise der erfindungsgemäßen Papiereinzugsvorrichtung besteht darin, daß Papier 5, d.h. Schreibblätter oder Rollenpapier, in den keilähnlichen Papiereinführkanal 1 geführt werden, und dann durch Drehen der Papierwalze 2 eingezogen bzw. weiter transportiert werden. Die Andruckkraft der Federblechfolie 3 an die Papierwalze 2 ist derart bemessen, daß einerseits das Papier 5 dazwischen geschoben und später dessen Lage korrigiert werden kann. Andererseits ist in Verbindung mit der großen Fläche, über die sich die Federblechfolie 3 an die Papierwalze 2 schmiegt, der Transport des Papiers 5 aufgrund einer Drehbewegung der Papierwalze 2 (Fig. 1) bzw. die Mitnahme der Papierwalze 2 aufgrund des von der Antriebswelle 8 bewegten Papiers 5 (Fig. 2) gewährleistet.The operation of the paper feed device according to the invention is that paper 5, i.e. Writing sheets or roll paper, are guided into the wedge-like paper insertion channel 1, and then drawn in or transported further by rotating the paper roller 2. The pressure force of the spring metal sheet 3 on the paper roll 2 is dimensioned such that on the one hand the paper 5 is pushed in between and the position thereof can be corrected later. On the other hand, in connection with the large area over which the spring metal sheet 3 nestles against the paper roll 2, the transport of the paper 5 due to a rotary movement of the paper roll 2 (FIG. 1) or the entrainment of the paper roll 2 due to the drive shaft 8 guaranteed moving paper 5 (Fig. 2).

Anstelle der Federblechfolie 3 ist auch die Verwendung einer Kunststoffolie, bei entsprechender Bemessung der Andruckkraft an die Papierwalze 2, möglich.Instead of the spring metal sheet 3, it is also possible to use a plastic film, provided the pressure force on the paper roll 2 is dimensioned accordingly.

BezugszeichenlisteReference symbol list

  • 1 Papiereinführkanal1 paper feed channel
  • 2 Papierwalze2 paper roll
  • 3 Federblechfolie3 spring sheet foil
  • 4 Rahmen4 frames
  • 5 Papier5 paper
  • 6 Papierführungsblech6 paper guide plate
  • 7 Papierhalter7 paper holder
  • 8 Antriebsrolle8 drive roller
  • 9 Druckbalken9 pressure bars
  • 10 Druckwerk10 printing unit

Claims (5)

1. Papiereinzugsvorrichtung für Druckereinrichtungen mit einer Papierwalze (2), die zusammen mit Papier (5) bewegt wird, wobei das Papier (5) von einer Antriebsvorrichtung über einen Schreibzeilenbereich bewegt wird, gekenn- zeichnet durch einen keilähnlichen Papiereinführkanal (1), der durch die Papierwalze (2) und eine an diese im unteren Bereich anliegenden Federfolie (3) gebildet wird.1. Paper feed device for printer devices with a paper roller (2), which is moved together with paper (5), the paper (5) being moved by a drive device over a writing line area, characterized by a wedge-like paper feed channel (1) which passes through the paper roll (2) and a spring film (3) lying against it in the lower region is formed. 2. Papiereinzugsvorrichtung nach Anspruch 1, dadurch gekennzeichnet , daß die Federfolie (3) eine Kunststoffolie ist.2. Paper feed device according to claim 1, characterized in that the spring film (3) is a plastic film. 3. Papiereinzugsvorrichtung nach Anspruch 1, dadurch gekennzeichnet , daß die Federfolie (3) eine Federblechfolie mit einer Stärke von etwa 0,025 mm ist.3. Paper feed device according to claim 1, characterized in that the spring foil (3) is a spring sheet foil with a thickness of about 0.025 mm. 4. Papiereinzugsvorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet , daß die Papierwalze (2) die Antriebsvorrichtung ist.4. Paper feed device according to one of claims 1 to 3, characterized in that the paper roller (2) is the drive device. 5. Papiereinzugsvorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet , daß die Papierwalze (2) eine Mitnehmerrolle ist, die durch das transportierte Papier (7) bewegt wird.5. Paper feed device according to one of claims 1 to 3, characterized in that the paper roller (2) is a driving roller which is moved by the transported paper (7).
EP83107917A 1982-08-13 1983-08-10 Paper insertion device for printing installations Expired EP0101070B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83107917T ATE25356T1 (en) 1982-08-13 1983-08-10 PAPER FEED DEVICE FOR PRINT EQUIPMENT.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3230190A DE3230190C2 (en) 1982-08-13 1982-08-13 Paper feeding device for printer equipment
DE3230190 1982-08-13

Publications (3)

Publication Number Publication Date
EP0101070A2 true EP0101070A2 (en) 1984-02-22
EP0101070A3 EP0101070A3 (en) 1985-05-08
EP0101070B1 EP0101070B1 (en) 1987-02-04

Family

ID=6170822

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83107917A Expired EP0101070B1 (en) 1982-08-13 1983-08-10 Paper insertion device for printing installations

Country Status (3)

Country Link
EP (1) EP0101070B1 (en)
AT (1) ATE25356T1 (en)
DE (1) DE3230190C2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5192141A (en) * 1991-05-02 1993-03-09 Tidemark Corporation Multi-dimensional media printer with media based registration and free edge printing
DE19741786A1 (en) * 1997-09-23 1999-03-25 Oki Systems Deutschland Gmbh Single multi-ply form feeder for office machine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4136979A (en) * 1976-06-28 1979-01-30 Data Recording Instrument Company Limited Paper guidance systems
DE2829827A1 (en) * 1978-07-07 1980-01-17 Olympia Werke Ag GUIDE DEVICE FOR RECORDING CARRIERS AT PRINTING WORKS

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1931225C3 (en) * 1969-06-20 1974-03-14 Siemens Ag, 1000 Berlin U. 8000 Muenchen Paper guide channel
US3618739A (en) * 1969-08-20 1971-11-09 Lester K Fleischmann Writing materials holder
DE2503642C3 (en) * 1975-01-29 1981-04-23 Standard Elektrik Lorenz Ag, 7000 Stuttgart Paper guide for automatically operated office machines
DE2731182C3 (en) * 1977-07-09 1980-01-03 Olympia Werke Ag, 2940 Wilhelmshaven Paper feed device on office machines
US4197023A (en) * 1977-08-08 1980-04-08 Teletype Corporation Flexible paper guiding apparatus
DE2755104A1 (en) * 1977-12-10 1979-06-13 Helmut Steinhilber Paper guiding sheet metal strip on typewriter roller - is lined with low-friction, specifically PTFE film
DE2758148C2 (en) * 1977-12-27 1980-01-10 Ibm Deutschland Gmbh, 7000 Stuttgart Paper transport device for the transport of single or continuous forms in a writing device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4136979A (en) * 1976-06-28 1979-01-30 Data Recording Instrument Company Limited Paper guidance systems
DE2829827A1 (en) * 1978-07-07 1980-01-17 Olympia Werke Ag GUIDE DEVICE FOR RECORDING CARRIERS AT PRINTING WORKS

Also Published As

Publication number Publication date
ATE25356T1 (en) 1987-02-15
EP0101070B1 (en) 1987-02-04
DE3230190C2 (en) 1984-12-06
EP0101070A3 (en) 1985-05-08
DE3230190A1 (en) 1984-02-16

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