EP0849203A1 - Dispositif pour tourner des bandesj - Google Patents

Dispositif pour tourner des bandesj Download PDF

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Publication number
EP0849203A1
EP0849203A1 EP97120438A EP97120438A EP0849203A1 EP 0849203 A1 EP0849203 A1 EP 0849203A1 EP 97120438 A EP97120438 A EP 97120438A EP 97120438 A EP97120438 A EP 97120438A EP 0849203 A1 EP0849203 A1 EP 0849203A1
Authority
EP
European Patent Office
Prior art keywords
web
turning
rollers
inversion
turning frame
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.)
Withdrawn
Application number
EP97120438A
Other languages
German (de)
English (en)
Inventor
Karl Seitz
Reinhold Hoff
Wilhelm Beckers
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.)
Tarkett GmbH
Original Assignee
Tarkett 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 Tarkett GmbH filed Critical Tarkett GmbH
Publication of EP0849203A1 publication Critical patent/EP0849203A1/fr
Withdrawn legal-status Critical Current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
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/32—Arrangements for turning or reversing 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
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/33—Modifying, selecting, changing orientation
    • B65H2301/332—Turning, overturning
    • B65H2301/3321—Turning, overturning kinetic therefor
    • B65H2301/33212—Turning, overturning kinetic therefor about an axis parallel to the direction of displacement of material

Definitions

  • the present invention relates to a new turning device for web-shaped Formations that allow the web to be turned back and forth in production.
  • Turning devices for sheet-like fabrics are in many production processes State of the art. This procedure is particularly important for Printing or coating of textiles, paper or plastic where both sides of the web need to be treated. For this purpose, normally the web is processed on one side by an appropriate turning device led and then after the bottom up is turned, this is also processed. Such systems usually run no problem.
  • DE 38 16 900 C1 describes a device for turning and / or moving a printing material web disclosed.
  • a further deflection roller in known parallel turning bars or pony turning bars one can Move the web with the device sideways by any amount while doing so if necessary, turn.
  • the device consists of a frame in which two guide rollers and a deflection roller are movably arranged.
  • the guide rollers are tilted by 45 ° against the direction of travel of the web and are arranged vertically one above the other so that they form an angle of 90 ° with one another.
  • the web running into the turning device via the first guide roller is guided on this roller by 180 °, so that it is pivoted at a 90 ° angle, in order to subsequently be turned around a deflection roller running parallel to the original web direction and to be returned to the second guide roller, on which it is in turn guided through 180 °, so that it returns to the original web direction, whereby the path is reversed three times in total, this type of deflection is known per se.
  • the two guide rollers are pivoted perpendicular to the direction of the web so that they only guide the web, but no longer change in their direction of travel, and shifted the deflection roller from the deflection position to the opposite position so that it no longer has any contact with the web and therefore no longer turns.
  • the web therefore runs in a Z-shape through the turning device and is not turned.
  • the band connecting the triangles has a length that the Length of the removable frame corresponds.
  • the triangle parts and the band itself are preferably made of a solid but flexible material, why plastic fabrics, such as Trevira or similar materials have proven particularly successful.
  • This double triangle runner will either interrupt the track sewn in or glued in by cutting the web on her Expiry point, e.g. B. in front of a web store, arises, or serves as a connection of two different web materials, often with the change the type of production is necessary anyway. Especially with thinner web materials it may be beneficial to target the double triangle runner in total Stick on the web and, after the adhesive has set, the uncovered Cut out parts of the web. This method has the advantage that the production facility continues continuously.
  • the drive of the device is either synchronized with the feed of the web running engines or, in the simplest case, by the frictional forces of the Path itself, which is driven outside the turning device, causes.
  • a turning device which has an outer frame 1, in which the guide rollers 2 and 3 are attached via their drive axles 2a and 3a and a drive and pivot mechanism 2b and 3b, and the deflection roller 4 with its drive axles 4a and 4b.
  • the continuous web-shaped element 5 shows crosses on the top and circles on the bottom.
  • the web runs from the left side from above over the guide roller 2 into the device, is deflected on this roller and turned so that it runs upside down over the deflection roller 4 (indicated by the circles on this web ), in order to then leave this roller again at the bottom, again with the upper side marked by crosses lying on top and after rotating the guide roller 3 the side marked with circles is brought up again.
  • FIG. 2 shows the transition state between turning the web and not turning the web, in which the double-triangular rotor 6 comes to rest just in the turning device and the belt 7 connecting the triangles runs between or around the rollers.
  • Rollers 2 and 3 are partially pivoted from their diagonal position against the frame.
  • the deflection roller 4 is displaced towards the center of the frame, so that it practically no longer causes deflection.
  • the web turning device according to the invention is shown in a neutral state, in which the guide rollers 2 and 3 are pivoted parallel to the outer frame and perpendicular to the direction of travel of the web, the deflection roller 4 is displaced outside the engagement of the web, so that the web entering from the left is deflected via the guide roller 2 to the guide roller 3 and is deflected again so that the web in the original direction and position leaves the device to the right again.
  • FIG. 4 shows a side view of the device according to the invention with the outer frame 1, the guide rollers 2 and 3 with their respective drive axes 2a and 3a and the deflection roller 4 with their drive axes 4a and 4b.
  • the web runs from above over roller 2 with a turn to roller 4 below over roller 3, so that a total of one turn is achieved by turning three times.
  • FIG. 5 shows a side view of the device according to FIG. 3, which shows the web which is deflected via rollers 2 and 3, so that the result is that it does not turn. Roller 4 is on the side next to the web.

Landscapes

  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Replacement Of Web Rolls (AREA)
EP97120438A 1996-12-18 1997-11-21 Dispositif pour tourner des bandesj Withdrawn EP0849203A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1996152723 DE19652723C2 (de) 1996-12-18 1996-12-18 Vorrichtung und Verfahren zum Wenden bahnförmiger Materialien
DE19652723 1996-12-18

Publications (1)

Publication Number Publication Date
EP0849203A1 true EP0849203A1 (fr) 1998-06-24

Family

ID=7815165

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97120438A Withdrawn EP0849203A1 (fr) 1996-12-18 1997-11-21 Dispositif pour tourner des bandesj

Country Status (2)

Country Link
EP (1) EP0849203A1 (fr)
DE (1) DE19652723C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1431220A1 (fr) * 2002-12-16 2004-06-23 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif pour guider une bande à imprimer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906855A (en) * 1973-01-30 1975-09-23 Wood Industries Inc Web turning bar device
JPS58202242A (ja) * 1982-05-20 1983-11-25 Unitika Ltd 布「はく」の自動裏返し搬送装置および方法
JPH04144874A (ja) * 1990-10-06 1992-05-19 Unitika Ltd 布帛の自動反転方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3816900C1 (fr) * 1988-05-18 1989-11-16 Man Roland Druckmaschinen Ag, 6050 Offenbach, De

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906855A (en) * 1973-01-30 1975-09-23 Wood Industries Inc Web turning bar device
JPS58202242A (ja) * 1982-05-20 1983-11-25 Unitika Ltd 布「はく」の自動裏返し搬送装置および方法
JPH04144874A (ja) * 1990-10-06 1992-05-19 Unitika Ltd 布帛の自動反転方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 008, no. 047 (M - 280) 2 March 1984 (1984-03-02) *
PATENT ABSTRACTS OF JAPAN vol. 016, no. 426 (M - 1306) 8 September 1992 (1992-09-08) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1431220A1 (fr) * 2002-12-16 2004-06-23 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif pour guider une bande à imprimer
US6902135B2 (en) 2002-12-16 2005-06-07 Goss International Americas, Inc. Device for guiding a web

Also Published As

Publication number Publication date
DE19652723A1 (de) 1998-06-25
DE19652723C2 (de) 2001-06-28

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