EP0810971A1 - Dispositif de controle de bourrages pour dispositif de transport de papier, notamment d'une bande de papier - Google Patents

Dispositif de controle de bourrages pour dispositif de transport de papier, notamment d'une bande de papier

Info

Publication number
EP0810971A1
EP0810971A1 EP95942047A EP95942047A EP0810971A1 EP 0810971 A1 EP0810971 A1 EP 0810971A1 EP 95942047 A EP95942047 A EP 95942047A EP 95942047 A EP95942047 A EP 95942047A EP 0810971 A1 EP0810971 A1 EP 0810971A1
Authority
EP
European Patent Office
Prior art keywords
paper
roller
pressure roller
drive roller
sensors
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
EP95942047A
Other languages
German (de)
English (en)
Other versions
EP0810971B1 (fr
Inventor
Alfred Walz
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.)
Boewe Systec AG
Original Assignee
Boewe Systec 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 Boewe Systec AG filed Critical Boewe Systec AG
Publication of EP0810971A1 publication Critical patent/EP0810971A1/fr
Application granted granted Critical
Publication of EP0810971B1 publication Critical patent/EP0810971B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
    • B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B65H7/06—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2220/00—Function indicators
    • B65H2220/02—Function indicators indicating an entity which is controlled, adjusted or changed by a control process, i.e. output
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50—Occurence
    • B65H2511/52—Defective operating conditions
    • B65H2511/528—Jam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B65H2513/11—Speed angular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2551/00—Means for control to be used by operator; User interfaces
    • B65H2551/20—Display means; Information output means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/20—Sensing or detecting means using electric elements
    • B65H2553/24—Inductive detectors

Definitions

  • Jam monitoring device for a transport device for paper, in particular for a paper web is a jam monitoring device for a transport device for paper, in particular for a paper web.
  • the invention relates to a jam monitoring device for a transport device for paper, in particular for a paper web, with at least one drive roller and a freely rotatable pressure roller arranged parallel to the axis, the paper being passed between the two rollers and pressed by the pressure roller onto the drive roller.
  • paper processing machines e.g. an automatic account postprocessing system, which is connected to a laser printer, can be used in a wide variety of ways
  • the invention is therefore based on the object to provide a jam monitoring device for a transport device for paper, in particular for a paper web, of the type mentioned, which also enables the monitoring of an unperforated paper web and possibly also of successive individual paper sheets with a simple, inexpensive construction .
  • each of these rollers is assigned a stationary sensor, and in that an evaluation circuit is provided for comparing the signals emitted by both sensors per unit of time or deg Deviation from a predetermined ratio of the signals emitted by the sensors emits a fault signal.
  • the invention is based on the idea
  • the drive roller drives the paper web pressed against it by the pressure roller.
  • the pinch roller rolls on the paper web and is driven by the paper web at a peripheral speed which, apart from a negligible slip, corresponds to the peripheral speed of the drive roller.
  • the signals emanating from the sensor of the drive roller are assigned a specific number of signals from the sensor of the pressure roller, ie the signals are in a specific one Relationship to each other. Since this ratio corresponds to a predetermined ratio programmed in the evaluation circuit, the evaluation circuit does not emit a fault signal as long as the paper run runs smoothly.
  • the evaluation circuit recognizes this deviation from the predetermined ratio and emits a fault signal indicating the fault, which causes the transport device and, if appropriate, further upstream and downstream units to be stopped.
  • the traffic jam monitoring device is characterized by a particularly simple construction and enables cost-effective production. It is suitable for any width of paper web without adjustment. It can be used to monitor perforated paper webs as well as paper webs without a perforated edge. In a further embodiment of the invention, the jam monitoring of individual, successive sheets of paper is also possible. Advantageous embodiments of the invention are in the
  • FIG. 1 shows a side view of a first exemplary embodiment of the traffic jam monitoring device
  • FIG. 2 shows a plan view in the direction II of FIG. 1
  • Figure 3 shows another embodiment in side view.
  • the drive roller 1 of a transport device for a paper web 2 is driven by a motor 13 in the direction A indicated.
  • a freely rotatable pressure roller 3 is provided, which is arranged axially parallel to the drive roller 1.
  • the paper web 2 is passed between the two rollers 1, 3 and is pressed against the drive roller 1 by the pressure roller 3.
  • Guide rails or plates 4 prevent lateral deflection of the paper web 2 transversely to its running direction B.
  • a first sensor 5 is provided for monitoring the speed of the pressure roller 3.
  • This sensor 5 is expediently an inductive sensor which responds to individual metal bodies 6 which are arranged at equal circumferential angular intervals in the pressure roller 3. at
  • Rotation of the pressure roller 3 causes each metal body 6 to generate a signal which is output by the sensor 5 to an evaluation circuit 7.
  • the drive roller 1 is assigned a sensor 8, which cooperates with metal bodies 9 in a disc 10, which in turn is firmly connected to the shaft 11 of the drive roller 1.
  • the signals emitted by the second sensor B are also fed to the evaluation circuit 7.
  • Both roles 1, 3 are of the same size and the number of signals output by the two sensors 5, B to the evaluation circuit 7 is in a specific ratio, which corresponds to a predetermined ratio programmed in the evaluation circuit 7. The evaluation circuit therefore does not respond.
  • Fault signal indicating a fault. This fault signal stops the motor 13 and, if appropriate, other units connected upstream and downstream of the transp ⁇ rt device.
  • the invention is used to monitor individual successive sheets of paper. The one shown on the far left
  • Drive roller 1 and the pressure roller 3 assigned to it and the motor 13 correspond in structure and in their
  • the pressure roller 3 is also a sensor 5 and the drive roller 1 Assigned to sensor 8.
  • the signals emitted by both sensors 5, 8 are also fed to an evaluation circuit 7.
  • the above description therefore also applies analogously to the exemplary embodiment shown in FIG. 3. Since individual, successive paper sheets are to be monitored with this transport device shown in FIG. 3, further pressure rollers 3 'arranged at a distance from one another are provided in the paper travel direction B of the paper sheets, each of which is assigned a sensor 5'.
  • the signals emitted by the sensors 5 ' are also fed to the evaluation circuit 7.
  • the mutual center distance a of the pressure rollers 3 and 3 ' should be smaller than the format height of the paper sheets.
  • the drive roller 1 drives at least one endless
  • Transport belt 12 which is passed under the further pressure roller 3 '.
  • a support roller 14 supporting the transport belt 12 is arranged in the region of each further pressure roller 3 '. If a paper jam occurs between any adjacent pair of pressure rollers 3 or 3 'and the movement of the paper sheet passing under the relevant pressure roller 3 or 3' is slowed down or stopped, the speed of the corresponding pressure roller 3 or 3 also slows accordingly 'or it goes to zero. In contrast, the drive roller 1 and the transport belt 12 continue to be driven at operating speed. This changes the ratio of the decelerated or stopped by the sensor 8 and the sensor 5 or 5 '

Landscapes

  • Controlling Sheets Or Webs (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)

Abstract

Dans ce dispositif de contrôle de bourrages pour dispositif de transport de papier, le papier est transporté entre un rouleau d'entraînement (1) et un rouleau de pression (3) librement rotatif dont l'axe est parallèle à l'axe du rouleau d'entraînement (1). Un capteur stationnaire (5, 8) est associé à chaque rouleau afin de contrôler séparément la vitesse du rouleau d'entraînement (1) et la vitesse du rouleau de pression (3). Un circuit d'évaluation (7) compare les signaux émis par les deux capteurs, par unité de temps ou de déplacement, et émet un signal de dérangement lorsque le rapport entre les signaux émis par les capteurs (5, 8) diffère d'un rapport prédéterminé.
EP95942047A 1995-02-24 1995-12-21 Dispositif de controle de bourrages pour dispositif de transport de papier, notamment d'une bande de papier Expired - Lifetime EP0810971B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19506463A DE19506463C2 (de) 1995-02-24 1995-02-24 Stauüberwachungseinrichtung für eine Transportvorrichtung für Papier, insbesondere für eine Papierbahn
DE19506463 1995-02-24
PCT/DE1995/001860 WO1996026147A1 (fr) 1995-02-24 1995-12-21 Dispositif de controle de bourrages pour dispositif de transport de papier, notamment d'une bande de papier

Publications (2)

Publication Number Publication Date
EP0810971A1 true EP0810971A1 (fr) 1997-12-10
EP0810971B1 EP0810971B1 (fr) 1998-12-02

Family

ID=7754933

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95942047A Expired - Lifetime EP0810971B1 (fr) 1995-02-24 1995-12-21 Dispositif de controle de bourrages pour dispositif de transport de papier, notamment d'une bande de papier

Country Status (6)

Country Link
EP (1) EP0810971B1 (fr)
JP (1) JPH11500397A (fr)
CA (1) CA2212042A1 (fr)
DE (1) DE19506463C2 (fr)
ES (1) ES2126335T3 (fr)
WO (1) WO1996026147A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10219541C1 (de) * 2002-05-02 2003-12-11 Koenig & Bauer Ag Vorrichtung zum Erfassen eines Bahnbruckes an einer eine Bahn verarbeitenden Maschine
US5827533A (en) * 1997-02-06 1998-10-27 Duke University Liposomes containing active agents aggregated with lipid surfactants
DE29802400U1 (de) * 1998-02-12 1999-06-10 Eduard Küsters Maschinenfabrik GmbH & Co. KG, 47805 Krefeld Walzenpaar
DE10129889A1 (de) 2000-07-14 2002-01-24 Heidelberger Druckmasch Ag Verfahren und Vorrichtung zur Störungserfassung beim Transport einer Bahn
DE102004005041A1 (de) * 2004-02-02 2005-08-18 Eduard Küsters Maschinenfabrik GmbH Verfahren und Vorrichtung zur Überwachung des Vorlaufs einer laufenden Warenbahn durch eine Behandlungsvorrichtung
JP2013018628A (ja) 2011-07-13 2013-01-31 Seiko Epson Corp ロール状媒体搬送装置、ロール状媒体搬送方法、及び記録装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3917142A (en) * 1974-04-04 1975-11-04 Data Products Corp Paper motion sensor apparatus
DE3421558A1 (de) * 1984-06-07 1985-12-12 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anordnung zur regelung von bandzuegen in einer einrichtung zum transport einer elastischen stoffbahn
US5041850A (en) * 1989-05-09 1991-08-20 Nisshinbo Industries, Inc. Controller of a label printer
DE4130679C2 (de) * 1991-09-14 1994-02-24 Roland Man Druckmasch Vorrichtung zum Verhindern von Druckwerkschäden
JPH0640601A (ja) * 1992-07-22 1994-02-15 Fujitsu Ltd 用紙詰まり検出装置
DE9300919U1 (de) * 1993-01-23 1993-03-25 Mathias Bäuerle GmbH, 78112 St Georgen Laufkontrollvorrichtung für bewegte Gegenstände

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9626147A1 *

Also Published As

Publication number Publication date
EP0810971B1 (fr) 1998-12-02
JPH11500397A (ja) 1999-01-12
DE19506463C2 (de) 1998-11-12
CA2212042A1 (fr) 1996-08-29
WO1996026147A1 (fr) 1996-08-29
DE19506463A1 (de) 1996-08-29
ES2126335T3 (es) 1999-03-16

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