EP0827927B1 - Stoffschau- und Repariermaschine für Bände - Google Patents

Stoffschau- und Repariermaschine für Bände Download PDF

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Publication number
EP0827927B1
EP0827927B1 EP19970306869 EP97306869A EP0827927B1 EP 0827927 B1 EP0827927 B1 EP 0827927B1 EP 19970306869 EP19970306869 EP 19970306869 EP 97306869 A EP97306869 A EP 97306869A EP 0827927 B1 EP0827927 B1 EP 0827927B1
Authority
EP
European Patent Office
Prior art keywords
web
sub
indexer
web material
shuttle
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
EP19970306869
Other languages
English (en)
French (fr)
Other versions
EP0827927A3 (de
EP0827927A2 (de
Inventor
Allan R. Prittie
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.)
Arpeco Engineering Ltd
Original Assignee
Arpeco Engineering Ltd
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 Arpeco Engineering Ltd filed Critical Arpeco Engineering Ltd
Publication of EP0827927A2 publication Critical patent/EP0827927A2/de
Publication of EP0827927A3 publication Critical patent/EP0827927A3/de
Application granted granted Critical
Publication of EP0827927B1 publication Critical patent/EP0827927B1/de
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
    • B65H21/00—Apparatus for splicing 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
    • B65H20/00—Advancing webs
    • B65H20/24—Advancing webs by looping or like devices
    • 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • 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
    • B65H2511/20—Location in space
    • 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
    • B65H2513/50—Timing
    • B65H2513/512—Starting; Stopping

Definitions

  • This invention relates generally to web inspection and converting machines which are adapted to perform various process steps on an elongate web.
  • the machine typically has an unwind mandrel and a rewind mandrel, and the web is provided initially in the form of a coil or roll of web material which can be fitted on the unwind mandrel.
  • the web is then strung through various possible combinations of devices such as idler rolls, error detectors, splicers, die cutters, print heads, and web slitters. Slitting the web may be required when the web carries a sequence of images, with two or more images located across the web. Inspection of the moving web can be done electronically, ur visually with the assistance of a stroboscope, vision or video system that samples the moving web.
  • the present development relates to a third way for error positioning, which effectively addresses the shortcomings of the web handling techniques mentioned in the previous section without moving the unwind or rewind rolls.
  • the proposed improvement and method essentially involve a web indexing device which is equipped with an integral variable position translating mechanism.
  • this invention provides, in a machine allowing inspection and repair of a roll of web material, the machine including:
  • this invention provides a method of inspecting and repairing a roll of web material, for use with a machine which incorporates: an unwind mandrel; a rewind mandrel; an inspection area; a splice area; guide rolls for directing the web material along a path from the unwind mandrel, past the inspection and splice areas, to a rewind mandrel; first control means to cause the web material to move past said inspection and splice areas, and to allow the web to be braked to a standstill upon the detection of a feature being searched for along the web; an indexer shuttle mounted for back and forth movement with respect to the machine; a first plurality of idler rolls mounted to said indexer shuttle; and a second plurality of idler rolls mounted to said machine, the method including the steps of:
  • Figure 6 is a schematic elevational view showing the major components of a web processing mechanism to which the present invention has been applied.
  • the mechanism shown generally at 10 in Figure 6 is seen to include an unwind mandrel 12, a rewind mandrel 14, an inspection area 16, and a splice area 18.
  • a coil 20 of web material is mounted on the unwind mandrel 12, with the web being paid off the coil 20, and looping around stationary idler rolls 22, 24, 26, 28 and 30.
  • the web then passes through a web indexing mechanism shown generally at the arrow 32, the details of which will be described below.
  • the web 21 exiting from the web indexing device is entrained around fixed idler rolls 34 and 36, from which it enters a slitting mechanism 38, emerging to loop around idler rolls 40 and 42, thence passing around idler rolls 44 and 46.
  • the latter two rolls 44 and 46 are mounted at one end of a lever arm which is pivoted at the other end to a portion of the frame 48 (lever arm not illustrated). This arrangement allows the rolls 44 and 46 to follow the gradually increasing diameter of the rewind coil 49, with downward pressure exerted by the rolls 46 ensuring that the web will be wound up with adequate tightness.
  • the device 32 includes an indexer shuttle 50 which is vertically elongate and which supports four idler rolls 52, 54, 56 and 58.
  • indexer shuttle 50 is shown in solid lines in its furthest leftward position, which corresponds to the normal operation of the web handling machine, but it can move to a rightward position shown in broken lines in Figure 6, or any intermediate position, in order to return an identified portion to the splice area 18 for repair, review or modification.
  • idler rolls 62 and 66 are generally level with a horizontal table 70 constituting the inspection area and the splice area.
  • the web is looped around the various fixed and movable idler rolls in the following sequence: 30, 58, 60, 56, 62, 66, 54, 64, 52 and 34.
  • the rolls 58, 60, 56 and 62 are positioned such that the web path between them is boustrophedonic, and the same is true for the idler rolls 52, 64, 54 and 66.
  • the operator stands or sits at the inspection area and uses conventional control means for causing the web in the coil 20 to move along the path illustrated in Figure 6, which includes moving the web past the inspection area 16 and the splice area 18.
  • the inspection area includes suitable means to enable the operator to detect flaws in the web (for example a missing label in the case of a web acting as a substrate for a plurality of labels).
  • flaws in the web for example a missing label in the case of a web acting as a substrate for a plurality of labels.
  • a flaw for example a missing label in the case of a web acting as a substrate for a plurality of labels.
  • He uses conventional braking means (not illustrated in Figure 6) to brake the web to a standstill.
  • He uses a second control means to move the indexer shuttle 50 to the right (as pictured in Figure 6) sufficiently far to bring the web flaw back to the splice area 18. This is accomplished without having to rotate either the unwind mandrel or the rewind
  • the flat rectangle 72 represents a flaw In the web, and its position approximately represents the furthest that the flaw can enter the indexing arrangement, and still he brought back to the splice area 18 by movement of the. indexer shuttle to the furthest rightward position (shown in broken lines in Figure 6).
  • the distance along the web between the position shown by the numeral 72 and the center of the splice area is approximately four times the maximum left-to-right displacement of the indexer shuttle 50, due to the fact that there are four web reaches in the boustrophedonic configuration.
  • the operator can then attend to the splicing task.
  • the indexer shuttle 50 can be moved back to its running position, and the web-handling machine can be restarted.
  • FIG. 5 shows a web-handling machine somewhat similar to that illustrated in Figure 6 and described above, except that the indexer device is differently configured. Specifically, two idler roll pairs, 80 and 82, are mounted on opposite sides of an indexer shuttle 83, which is mounted for movement in the left-to-right direction. The remaining rolls are stationary.
  • a video camera 86 is used to detect flaws in the web, the video camera 86 being mounted to the left of a splicing station 90. The signal from the video camera 86 passes to a video monitor 92, which is watched by the operator.
  • a slitting mechanism 38a is provided, having the same function as the slitting mechanism 38 in Figure 6.
  • Figure 1 illustrates a configuration in which the indexer shuttle (not illustrated) is vertically movable.
  • Figure 1 does illustrate the movable idler rolls 96 which form part of the indexer shuttle.
  • the machine in Figure 1 incorporates a vertically movable unwind mandrel 12, a vertically movable rewind mandrel 14, an inspection monitor device 100 and a splicing station 90.
  • a slitting device 38b is also provided.
  • the operation of the machine shown in Figure 1 is essentially the same as that for the machine shown in Figure 6.
  • Figure 2 shows a machine very similar to that in Figure 1, with the exception that the rewind mandrel 14a is mounted in a fixed position, and is adapted to receive only relatively small coils of web.
  • Figure 3 shows a prior art machine capable of reversing web movement, and therefore not requiring an indexer for the purpose of bringing a flawed portion of the web back to a splicing station.
  • Figure 4 shows a machine similar to that illustrated in Figure 3, with the addition of an indexer shuttle and the positioning of the idler rolls so as to allow the web to be strung boustrophedonically.
  • the Figure 4 machine has the addition of a slitter 38d.
  • the indexer shuttle be mounted on rails or the like, and positioned either by a cylinder, a ball screw, or similar actuator device.
  • the web-accumulation device described herein is applicable to various kinds of machines, such as inspectors, die cutters, printing presses and other types of web converting machines.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)

Claims (6)

  1. Maschine (10) zur Prüfung und Reparatur einer Rolle (20) aus Bahnmaterial (21), wobei die Maschine umfasst:
    a) eine Abwickelspindel (12),
    b) eine Aufwickelspindel (14),
    c) einen Prüfbereich (16),
    d) einen Spleißbereich (18),
    e) Führungsrollen, um die Bahn (21) einen Weg von der Abwickelspindel (12), am Prüf- und am Spleißbereich (16, 18) vorbei, zur Aufwickelspindel (14) zu lenken, sowie
    f) erste Steuerungsmittel, um zu bewirken, dass die Bahn am Prüf- und am Spleißbereich (16, 18) vorbei bewegt wird, und um es einer Bedienperson zu ermöglichen, die Bahn bei Detektion eines Fehlers in der Bahn bis zum Stillstand abzubremsen;
    dadurch gekennzeichnet, dass die Maschine umfasst:
    eine Bahn-Weiterschaltvorrichtung (32), die umfasst:
    g) einen Weiterschalt-Schützen (50), der zu Vorwärts- und Rückwärtsbewegung in Bezug auf die Maschine montiert ist,
    h) eine erste Vielzahl von Mitläuferwalzen (52, 54, 56, 58), die auf dem Weiterschalt-Schützen (50) montiert sind,
    i) eine zweite Vielzahl von Mitläuferwalzen (60, 62, 64, 66), die auf der Maschine (10) montiert und in Bezug auf die erste Vielzahl von Mitläuferwalzen (52, 54, 56, 58) so positioniert sind, dass Bahnmaterial in einer im Wesentlichen bustrophedonen Konfiguration um sie herum laufen kann, sowie
    j) zweite Steuerungsmittel, die dazu ausgebildet sind, bei Detektion eines Fehlers im Prüfbereich (16) und nach dem Abbremsen der Bahn bis zum Stillstand den Weiterschalt-Schützen (50) so zu bewegen, dass ein identifizierter Abschnitt der Bahn zur Reparatur, zur Verifizierung oder zu irgendeiner Art von Modifikation in den Spleißbereich (18) zurück gebracht wird, ohne dass die Rotationsrichtung der Abwickelspindel (12) oder der Aufwickelspindel (14) umgedreht werden muss.
  2. Maschine nach Anspruch 1, worin die erste Vielzahl von Mitläuferwalzen eine erste Untergruppe (56, 58) und eine zweite Untergruppe (52, 54) umfasst, und bei der die zweite Vielzahl von Mitläuferwalzen eine dritte Untergruppe (60, 62) und eine vierte Untergruppe (64, 66) umfasst, wobei die Untergruppen so angeordnet sind, dass das Bahnmaterial auf einer Seite des Weiterschalt-Schützen (50) bustrophedon zwischen der ersten und dritten Untergruppe geführt werden kann und auf der anderen Seite des Weiterschalt-Schützen (50) bustrophedon zwischen der zweiten und der vierten Untergruppe geführt werden kann.
  3. Maschine nach Anspruch 2, bei der jede der Untergruppen zumindest zwei Mitläuferwalzen umfasst.
  4. Verfahren zum Prüfen und Reparieren einer Rolle (20) aus Bahnmaterial (21) zur Verwendung bei einer Maschine (10), die umfasst: eine Abwickelspindel (12), eine Aufwickelspindel (14); einen Prüfbereich (16); einen Spleißbereich (18); Führungsrollen, um das Bahnmaterial (21) um die Bahn einen Weg von der Abwickelspindel (12), am Prüf- und am Spleißbereich (16, 18) vorbei, zu einer Aufwickelspindel (14) zu lenken; erste Steuerungsmittel, um zu bewirken, dass die Bahn am Prüf- und am Spleißbereich (16, 18) vorbei bewegt wird, und um es zu ermöglichen, die Bahn bei Detektion eines Merkmals, nach dem entlang der Bahn gesucht wird, bis zum Stillstand abzubremsen; einen Weiterschalt-Schützen (50), der zu Vorwärts- und Rückwärtsbewegung in Bezug auf die Maschine montiert ist; eine erste Vielzahl von Mitläuferwalzen (52, 54, 56, 58), die auf dem Weiterschalt-Schützen (50) montiert sind; sowie eine zweite Vielzahl von Mitläuferwalzen (60, 62, 64, 66), die auf der Maschine montiert sind, wobei das Verfahren folgende Schritte umfasst:
    a) das Laufenlassen des Bahnmaterials um die erste und die zweite Vielzahl von Mitläuferwalzen (52, 54, 56, 58; 60, 62, 64, 66) in im Wesentlichen bustrophedoner Konfiguration;
    b) das Abwickeln der Bahnmaterialrolle (20) an der Abwickelspindel (12), während das Bahnmaterial auf der Aufwickelspindel (14) wieder aufgewickelt wird, wodurch sich das Bahnmaterial am Prüf- und am Spleißbereich (16, 18) vorbei bewegt;
    c) das Prüfen des Bahnmaterials im Prüfbereich (16), um ein Merkmal zu detektieren, nach dem gesucht wird;
    d) wenn ein solches Merkmal detektiert wurde, die Verwendung des ersten Steuerungsmittels, um das Bahnmaterial bis zum Stillstand abzubremsen;
    e) das Bewegen des Weiterschalt-Schützen (50) in die Richtung, durch die der das Merkmal aufweisende Abschnitt des Bahnmaterials erneut im Spleißbereich (18) angeordnet wird, ohne dass die Drehung einer der Spindeln (12, 14) umgekehrt wird; und
    f) das Reparieren des Bahnmaterials.
  5. Verfahren nach Anspruch 4, bei dem die erste Vielzahl von Mitläuferwalzen eine erste Untergruppe (56, 58) und eine zweite Untergruppe (52, 54) umfasst und die zweite Vielzahl von Mitläuferwalzen eines dritte Untergruppe (60, 62) und eine vierte Untergruppe (64, 66) umfasst, wobei das Bahnmaterial auf einer Seite des Weiterschalt-Schützen (50) bustrophedon zwischen der ersten und der dritten Untergruppe geführt wird und auf der anderen Seite des Weiterschalt-Schützen (50) bustrophedon zwischen der zweiten und der vierten Untergruppe geführt wird.
  6. Verfahren nach Anspruch 5, bei dem jede Untergruppe zumindest zwei Mitläuferwalzen umfasst.
EP19970306869 1996-09-04 1997-09-04 Stoffschau- und Repariermaschine für Bände Expired - Lifetime EP0827927B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA 2184769 CA2184769C (en) 1996-09-04 1996-09-04 Web inspection and repair machine with web indexer device
CA2184769 1996-09-04

Publications (3)

Publication Number Publication Date
EP0827927A2 EP0827927A2 (de) 1998-03-11
EP0827927A3 EP0827927A3 (de) 1998-06-17
EP0827927B1 true EP0827927B1 (de) 2001-11-28

Family

ID=4158840

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970306869 Expired - Lifetime EP0827927B1 (de) 1996-09-04 1997-09-04 Stoffschau- und Repariermaschine für Bände

Country Status (3)

Country Link
EP (1) EP0827927B1 (de)
CA (1) CA2184769C (de)
DE (1) DE69708558T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007090274A1 (en) * 2006-02-08 2007-08-16 Prittie Allan R Web inspection and repair machine with retractable inspection zone

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020176617A1 (en) * 2001-05-22 2002-11-28 Pti Advanced Filtration, Inc. System and method for continuous integrity testing of a material web
ITMI20090218A1 (it) * 2009-02-19 2010-08-20 Laem System S R L Dispositivo e metodo per il controllo di qualità in linea di impianti per la produzione di film estrusi in materiale termoplastico

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3084841A (en) * 1959-06-03 1963-04-09 Dainippon Printing Co Ltd Transfer mechanism
US3322604A (en) * 1963-01-14 1967-05-30 Gloucester Eng Co Inc Machine for altering moving webs
GB1089792A (en) * 1963-05-07 1967-11-08 Packmark Ltd Method and apparatus for stopping web movement
JPH01181666A (ja) * 1988-01-13 1989-07-19 Sanyo Kokusaku Pulp Co Ltd 帯材の巻取り停止方法
DE4432371B4 (de) * 1994-09-12 2004-12-09 Heidelberger Druckmaschinen Ag Verfahren zum Drucken und Weiterverarbeiten von Nutzen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007090274A1 (en) * 2006-02-08 2007-08-16 Prittie Allan R Web inspection and repair machine with retractable inspection zone

Also Published As

Publication number Publication date
CA2184769C (en) 2000-07-18
DE69708558D1 (de) 2002-01-10
DE69708558T2 (de) 2002-07-04
EP0827927A3 (de) 1998-06-17
EP0827927A2 (de) 1998-03-11
CA2184769A1 (en) 1998-03-05

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