EP0716998A2 - Dispositif pour le guidage latéral d'une bande matériau en cours de défilement - Google Patents

Dispositif pour le guidage latéral d'une bande matériau en cours de défilement Download PDF

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Publication number
EP0716998A2
EP0716998A2 EP95119113A EP95119113A EP0716998A2 EP 0716998 A2 EP0716998 A2 EP 0716998A2 EP 95119113 A EP95119113 A EP 95119113A EP 95119113 A EP95119113 A EP 95119113A EP 0716998 A2 EP0716998 A2 EP 0716998A2
Authority
EP
European Patent Office
Prior art keywords
swivel
web
frame
sensor
remote
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
EP95119113A
Other languages
German (de)
English (en)
Other versions
EP0716998B1 (fr
EP0716998A3 (fr
Inventor
Robert Kieffer
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.)
Fife GmbH
Original Assignee
Fife GmbH
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 Fife GmbH filed Critical Fife GmbH
Publication of EP0716998A2 publication Critical patent/EP0716998A2/fr
Publication of EP0716998A3 publication Critical patent/EP0716998A3/fr
Application granted granted Critical
Publication of EP0716998B1 publication Critical patent/EP0716998B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/032—Controlling transverse register of web
    • B65H23/038—Controlling transverse register of web by rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/0204—Sensing transverse register of web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/31—Features of transport path
    • B65H2301/311—Features of transport path for transport path in plane of handled material, e.g. geometry
    • B65H2301/31124—U-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/443—Moving, forwarding, guiding material by acting on surface of handled material
    • B65H2301/4432—Moving, forwarding, guiding material by acting on surface of handled material by means having an operating surface contacting only one face of the material, e.g. roller
    • B65H2301/44324—Rollers
    • B65H2301/443243—Rollers pivoting around an axis perpendicular to the plane of the material (especially when web is running in a U-loop)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2557/00—Means for control not provided for in groups B65H2551/00 - B65H2555/00
    • B65H2557/20—Calculating means; Controlling methods
    • B65H2557/262—Calculating means; Controlling methods with key characteristics based on feed forward control

Definitions

  • the present invention relates to a device for the lateral guidance of a running material web with a pivoting frame pivotable about an off-center pivot axis and a stationary web cantan run-out sensor at a short distance from the deflection roller remote from the pivot axis for obtaining a position deviation signal of the web running from this deflection roller for one on the Swing drive of the swing frame acting control loop.
  • a device for the lateral guidance of a running material web with a pivoting frame pivotable about an off-center pivot axis and a stationary web cantan run-out sensor at a short distance from the deflection roller remote from the pivot axis for obtaining a position deviation signal of the web running from this deflection roller for one on the Swing drive of the swing frame acting control loop.
  • Such a device is known from the article "Basic Techniques for Controlling Web Position" by Sorsen in "Automation", April 1966, p. 105 ff., Fig. 3 (b).
  • Such devices usually have two deflecting rollers carried by the swivel frame and only require a short inlet length because the swivel axis runs approximately in the plane of the surface line of the deflecting roller near the swivel axis, onto which the incoming material web section runs, so that this only has one torsion during the corrective swivels, but not one Undergoes offset.
  • the deflection roller which is remote from the swivel axis and over which the web runs, also performs a lateral translation movement during the swivels, which causes an immediately effective proportional portion of the control intervention, while the angular rotation of the swivel frame brings the running belt into the desired position.
  • the known guiding devices with such swivel frames are only provided for one web running direction. However, it occurs in some applications that the web must also run in the opposite direction (in reverse operation) and web edge guidance is required or desired even in this operating state.
  • a complex solution to this task is to provide a swivel drive on both sides of the swivel frame and to have it act here to effect a lateral offset, and also to provide a stationary outlet sensor near the outlet point of both deflecting rollers.
  • the swivel drive is then locked in the central position on the entry side and the associated web edge sensor is switched off, while the sensor and the swivel drive on the other side of the swivel frame effect the known regulation on the exit side.
  • Another device for lateral guidance of running material webs intended for both running directions is known from DE-AS 21 37 706.
  • two deflecting rollers are mounted in a swivel frame, the swivel axis lying centrally between the roller axes, namely intersecting the center of the plane defined by the roller axes at right angles.
  • Fixed web edge sensors are arranged in the vicinity of both run-off points, the sensor detecting the running web section being active and the error signal for one Control process to eliminate the error provides.
  • the above invention includes the knowledge that in most cases the use of devices for lateral material web guidance effective in both running directions is one of the running directions which is predominant and for this primary running direction the regulation should be effective which does not subject the incoming web section to lateral displacements and the like
  • the control process is based on a lateral position signal generated by a fixed web edge sensor located near the discharge point.
  • a lateral displacement of the incoming web section can be accepted, whereby for this case a control can be used for the lateral web guidance, as is known per se in rewinders, for example from the source cited at the beginning, "Basic Techniques for Controlling Web Position ", Fig. 6.
  • the known and kinematically advantageous pivot frame with eccentric pivot axis is used in a new way and included in a control process.
  • the object of the present invention is therefore to provide a device for the lateral guidance of a running material web which can be operated while maintaining a simple and proven mechanical construction and known control quality in one running direction in the other running direction with a satisfactory result of the web lateral guidance.
  • the object is achieved by a web edge inlet sensor which is at least virtually connected to the side of the swivel frame remote from the swivel axis for obtaining a position deviation signal of the web approaching the deflection roller remote from the swivel axis for a control circuit acting on the swivel drive of the swivel frame.
  • the inlet sensor which is effective in reverse operation, is rigidly attached to the swivel frame in the simplest form and thus detects the changes in the position of the monitored web edge relative to the side of the swivel frame remote from the swivel axis.
  • hydraulic or electrical tracking can be used instead of a rigid mechanical connection.
  • a virtual connection is also possible, in which the web edge sensor is fixed in place, but its signal is superimposed by a signal for the lateral position of the side of the pivot frame remote from the pivot axis in such a way that a signal is obtained for only the relative changes mentioned.
  • the swivel frame can also be constructed with only one deflection roller instead of two deflection rollers, in which case instead of the deflection roller near the swivel axis and away from the swivel axis, the surface lines of the one deflection roller on which the material web runs up or down, i.e. a swivel axis near it, must be considered and a surface line distant from the swivel axis.
  • the swivel frame can also have three or more deflecting rollers instead of two to increase the frictional engagement.
  • a swivel frame 8 On a fixed mounting frame 10, a swivel frame 8 is guided and mounted by means of sliding guide elements 13 such that it can execute swivel movements whose axis 6 runs eccentrically, approximately in the plane of the section of the material web 12 that runs in forward operation (arrow V).
  • the swivel drive 9 is indicated as a hydraulic cylinder.
  • a web edge sensor 1 is fastened in the mounting frame 10 and is only active in the forward mode, i.e. if the material section monitored by him is the outgoing section, and which therefore represents a discharge sensor 1.
  • a web edge sensor 2 is held on the swivel frame 8 by means of a carrier 3 in such a way that it is in the vicinity of the fixed roller 4. This sensor is only active in reverse operation (arrow R) and then monitors the incoming section of the material web, which is why it is referred to as the inlet sensor 2.
  • the swivel drive 9 acts on the swivel drive 9 as an actuator and regulates any web position deviations that occur. This operation does not differ from the operation known and customary with these swivel frame side guiding devices.
  • the outlet sensor 1 is switched off and the inlet sensor 2, which is now monitoring the incoming material web section, is switched on, which due to its mechanical connection with the swivel frame 8 participates in its lateral movements and detects lateral position deviations occurring in the inlet before they reach the swivel frame 8.
  • the drive 9 is controlled in such a way that the inlet sensor 2 and thus the run-up point on the deflection roller 5 remote from the pivot axis follows the position changes of the web edge, whereby the position error is eliminated without success, i.e. the web edge position behind the pivot frame 8, being checked.
  • This operating state is therefore a controller.
  • the swivel drive 9 is indicated here in the form of a hydraulic cylinder; however, an electromechanical drive or another suitable swivel drive can be used.
  • a web center guide can be implemented with one sensor each for a web edge, in which case an exit sensor and an inlet sensor are then to be provided for each web edge.
  • sensor 1 two sensors would have to be used, one for the right and one for the left web edge.
  • a right and a left web edge sensor would then have to be provided instead of sensor 2.
  • the sensors themselves can be of any suitable type, for example also diode line cameras.
EP95119113A 1994-12-13 1995-12-05 Dispositif pour le guidage latéral d'une bande matériau en cours de défilement Expired - Lifetime EP0716998B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4444228 1994-12-13
DE4444228A DE4444228C2 (de) 1994-12-13 1994-12-13 Vorrichtung zur seitlichen Führung einer laufenden Materialbahn

Publications (3)

Publication Number Publication Date
EP0716998A2 true EP0716998A2 (fr) 1996-06-19
EP0716998A3 EP0716998A3 (fr) 1996-12-04
EP0716998B1 EP0716998B1 (fr) 1999-11-03

Family

ID=6535597

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95119113A Expired - Lifetime EP0716998B1 (fr) 1994-12-13 1995-12-05 Dispositif pour le guidage latéral d'une bande matériau en cours de défilement

Country Status (2)

Country Link
EP (1) EP0716998B1 (fr)
DE (2) DE4444228C2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19758449C2 (de) * 1997-06-14 2002-01-10 Pasquini Und Kromer Gmbh Vorrichtung zur seitlichen Führung von Bahnen und Bändern
DE202004018808U1 (de) * 2004-12-03 2006-01-05 Krones Ag Vorrichtung zum Spenden von Etiketten auf Gegenstände
DE102014209095A1 (de) 2014-05-14 2015-11-19 Robert Bosch Gmbh Vorrichtung und Verfahren zum Einstellen der Position einer Packstoffbahn zu einer Referenz in einer Verpackungsmaschine und Verpackungsmaschine
DE202016100802U1 (de) 2016-02-16 2016-05-27 Krones Ag Etikettiervorrichtung für Selbstklebeetiketten
DE102016203462A1 (de) 2016-03-03 2017-09-07 Krones Ag Verarbeiten von konturierten Rundumetiketten von der Rolle
DE102016203463A1 (de) 2016-03-03 2017-09-07 Krones Ag Bahnlaufregelung mittels Druckbild
CN112236366A (zh) * 2018-05-18 2021-01-15 Gea食品策划德国股份有限公司 用于控制材料幅面边缘的位置的方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3411683A (en) * 1966-08-08 1968-11-19 Eastman Kodak Co Web guiding apparatus
US3682362A (en) * 1971-03-15 1972-08-08 Rockford Servo Corp Web edge sensing and guiding apparatus
EP0018223A1 (fr) * 1979-04-19 1980-10-29 Baldwin Technology Corporation Système de guidage de matériau en bande
US4958111A (en) * 1989-09-08 1990-09-18 Gago Noel J Tension and web guiding system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3664561A (en) * 1969-11-26 1972-05-23 Fife Corp Web guiding device
DE2137706C3 (de) * 1971-07-28 1981-02-05 Elektro-Mechanik Gmbh, 5963 Wenden Vorrichtung zum seitlichen Führen einer Materialbahn für beide Laufrichtungen
DE2635631C3 (de) * 1975-08-20 1980-02-21 Fife Corp., Oklahoma City, Okla. (V.St.A.) Vorrichtung zur schwenkbaren Auflage eines Rahmens, insbesondere fur Führungswalzen für dünne Materialbahnen, der gegenüber einer Bezugsebene verdrehbar ist
DE3125852C1 (de) * 1981-07-01 1983-01-27 Erhardt & Leimer Kg, 8900 Augsburg Vorrichtung zur Führung von laufenden Materialbahnen in Querrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3411683A (en) * 1966-08-08 1968-11-19 Eastman Kodak Co Web guiding apparatus
US3682362A (en) * 1971-03-15 1972-08-08 Rockford Servo Corp Web edge sensing and guiding apparatus
EP0018223A1 (fr) * 1979-04-19 1980-10-29 Baldwin Technology Corporation Système de guidage de matériau en bande
US4958111A (en) * 1989-09-08 1990-09-18 Gago Noel J Tension and web guiding system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
AUTOMATION, Bd. 13, Nr. 4, 1.April 1966, Seiten 105-110, XP000562946 SORSEN S L: "BASIC TECHNIQUES FOR CONTROLLING WEB POSITION" *

Also Published As

Publication number Publication date
DE4444228C2 (de) 1997-12-18
EP0716998B1 (fr) 1999-11-03
DE4444228A1 (de) 1996-06-20
DE59507180D1 (de) 1999-12-09
EP0716998A3 (fr) 1996-12-04

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