EP2977341B1 - Rouleau presseur pour une presse - Google Patents

Rouleau presseur pour une presse Download PDF

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Publication number
EP2977341B1
EP2977341B1 EP15175252.4A EP15175252A EP2977341B1 EP 2977341 B1 EP2977341 B1 EP 2977341B1 EP 15175252 A EP15175252 A EP 15175252A EP 2977341 B1 EP2977341 B1 EP 2977341B1
Authority
EP
European Patent Office
Prior art keywords
winding
winding core
web
shaped material
core
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.)
Active
Application number
EP15175252.4A
Other languages
German (de)
English (en)
Other versions
EP2977341A2 (fr
EP2977341A3 (fr
Inventor
Rainer Jendroska
Udo KOBUSCH
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP2977341A2 publication Critical patent/EP2977341A2/fr
Publication of EP2977341A3 publication Critical patent/EP2977341A3/fr
Application granted granted Critical
Publication of EP2977341B1 publication Critical patent/EP2977341B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/26—Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2207—Changing the web roll in winding mechanisms or in connection with winding operations the web roll being driven by a winding mechanism of the centre or core drive type
    • B65H19/2215—Turret-type with two roll supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/23—Winding machines
    • B65H2408/231—Turret winders
    • B65H2408/2315—Turret winders specified by number of arms
    • B65H2408/23152—Turret winders specified by number of arms with two arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/30—Forces; Stresses
    • B65H2515/34—Pressure, e.g. fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/20—Avoiding or preventing undesirable effects
    • B65H2601/22—Gravity effects, e.g. effect of weight of handled material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

  • the present invention relates to a winding device for winding a web-shaped material in a printing press according to the preamble of claim 1.
  • Web-shaped material such as plastic film or paper
  • Web-shaped material is usually printed on one or both sides of printing presses and then wound on a film roll or a paper roll.
  • these windings are formed by winding the web-like material onto a winding core. Before the web-like material is wound up on this winding core or on the winding on which already web-shaped material is wound up, it is often guided over a web guide roll.
  • This web guide roller can be arranged at a small distance from the winding core or to the winding or press the web-like material directly to the winding core or the winding.
  • the winding device is then referred to as a contact winder.
  • said web guide roll is typically the last roll over which the web-shaped material passes before or while it reaches the winding core or reel.
  • the winding is often associated with a pressing element, which is designed to be adjustable to the winding.
  • This pressure element is usually designed as a pressure roller.
  • Known winding devices comprise mechanical pressing elements, which are arranged displaceably by means of slides on mutually parallel rails. These pressing elements are preferably used in so-called turret winder.
  • Turret winder describe a type of winding devices in which the winding core and the mechanism for adjusting the pressure element are attached to disks or plates, which in turn are rotatably mounted in a machine frame. At least a second winding core is mounted and fastened to these disks or plates. In particular, after an angle has been completed, a turret winder serves to rapidly bend the new web start formed by a cut on the second winding core.
  • the publication WO 2008/043748 A1 discloses a winding device in the form of a turret winder for winding a web-shaped material comprising a winding core on which the web-shaped material can be wound into a material roll, and a web guide roll guiding the web-like material before or while it reaches the winding core or the material roll , And a pressing member, which presses the sheet-like material to the winding core or the winding after it already rests on the winding core or the winding, wherein a pressure roller is movable relative to the winding core.
  • the pressure element is mounted at both ends in a lever pair forming lever arms, which are rotatably mounted, so that the pressure roller is pivotable about the bearing points of the lever arms.
  • Another winding device in the form of a Wendewicklers is in US 4971 263 according to the preamble of claim 1 disclosed.
  • a disadvantage of this type hiring the pressure roller in a turning winder to the winding core is that during the phase in which the turret winder has wrapped a winding, and for the purpose of speedy Anwickelns the second roll, the disc or plate to a storage in the machine frame rotates, the pressing member is exposed depending on the rotational position of the disc or plate between the first winding and the second winding of its own gravity.
  • the pressing force of the pressing element depending on the rotational position of the disc, is exposed to fluctuations caused by the force of gravity, which on the Pressing element acts, caused.
  • this phase of the change from a first to a second winding air pockets in the roll of the printed web-shaped material are produced.
  • the object of the present invention is to propose a winding device in which air pockets in the winding of the web-shaped material are reduced.
  • the object is achieved by a winding device for winding a web-shaped material, preferably in a printing press with a first winding core on which the web-shaped material can be wound into a material roll, wherein the first winding core is pivotable about a rotation axis, a web guide roll , which is adapted to guide the web-shaped material during winding on the first winding core, and a pressure element which presses the wound on the first winding core web material with an adjustable pressing force, wherein the pressing member when pivoting the first winding core about the axis of rotation Pressing force on the web-shaped material of the first winding core keeps constant, with a control is provided, with which at a detected pivot angle of the winding core, an E / P converter is controlled, with which an adaptation of the pressing force du is feasible, wherein an electrical signal is converted into a pneumatic signal to compensate for the effects of gravity on the pressure element in a changing pivot position.
  • the technical advantage is achieved that the pressing force of the pressing element, regardless of the pivot position of the winding core, is constant. As a consequence, air pockets can be avoided. This is particularly relevant during the change from a first to a second winding of particular relevance when the winding device has wound the first winding, and for the purpose of swiftly wrapping the second roll without stopping the printing press, the first winding about the axis of rotation or warehousing pivots in the machine frame until the winding of the second roll can be done.
  • the pressing element comprises a pneumatic control, namely an E / P converter, for controlling the pressing force.
  • a pneumatic control namely an E / P converter
  • the E / P converter can, based on a detected pivoting angle of the winding core, are controlled by a controller and allows a rapid and rapid adaptation of the pressing force, where it converts an electrical signal into a pneumatic signal.
  • the pressing element comprises a rotationally driven pressure roller, the peripheral speed of which can be set to the peripheral speed of the winding core and / or of the material roll.
  • the pressure roller has elastic surface properties in order to compensate for differences in thickness of the sheet material.
  • the technical advantage is achieved that caused by unevenly applied to the sheet material color ink thickness differences are not compensated mechanically by the pressure roller. As a consequence, damage to the web-like material can thus be prevented, since the pressure roller can adapt to the differences in thickness due to its elastic surface properties.
  • the pressing element comprises a linear drive with a rodless cylinder.
  • the winding device comprises a second winding core, which is designed to be pivotable about the axis of rotation.
  • the technical advantage is achieved that the printing press does not need to be stopped when changing from a first winding core to a second winding core.
  • the second winding core is formed pivotable about the identical axis of rotation as the first winding core, a non-delays change from the first winding core to the second winding core. This is particularly important in connection with the gravity-compensating pressure element of particular importance.
  • the pressing element is designed to be movable horizontally between the first winding core and the second winding core in order to be able to come into contact with the first winding core or the second winding core.
  • the pressing element comprises a hydraulic control.
  • the first winding core and the second winding core are each assigned a drive which is adapted to exert a drive torque on the first winding core and the second winding core.
  • the winding device comprises a further pressing element which is adapted to exert a pressing force on the wound web-shaped material of the first winding core or of the second winding core independently of the first pressing element.
  • the technical advantage is achieved that the pressing force is additionally improved by the further pressing element. This can be done both in the form that both pressing elements simultaneously act on a winding core, as well as in the form that the further pressing element acts just during the change from the first winding core to the second winding core supportive. As a consequence, air pockets can be additionally avoided.
  • At least one further web guide roller is provided.
  • the axis of rotation is mounted in a machine frame.
  • the technical advantage is achieved that the entire winding device can be pivoted about the axis of rotation. This allows that at the time when the winding device has finished wound the first winding, and then the second winding is to be wound, this change without a Stop the printing machine can be done by the entire winding device is pivoted about the axis of rotation.
  • the winding device comprises a protective device in order to prevent intervention in the winding nip of the pressure elements and / or the web guide rollers.
  • a protective device in order to prevent intervention in the winding nip of the pressure elements and / or the web guide rollers.
  • the protective device comprises a plurality of partial protection elements, which are designed to be displaceable relative to one another.
  • the technical advantage is achieved that the protective device continuously prevents the intervention or the penetration of objects into the winding device even during the change from the first winding core to the second winding core.
  • the protective device also remains continuous even when the pressure element is transferred from the first winding core to the second winding core.
  • a method for winding a web-shaped material preferably in a printing machine, described in which the web-like material is wound on a first winding core to a material roll, wherein the first winding core is pivotable about a rotation axis, the web-shaped material wound on the first winding core is guided by a web guide roller, and wound on the first winding core web-shaped material is pressed by a pressure element with a pressing force, wherein the pressing member during pivoting of the first winding core to the Rotation axis keeps the pressure force on the web-shaped material of the first winding core constant and compensates for the effects of gravity on the pressure element with changing pivot position.
  • the technical advantage is achieved that the pressing force of the pressing element, regardless of the pivot position of the winding core, remains the same. As a consequence, air pockets can be avoided. This is particularly relevant during the change from a first to a second winding of particular relevance, when the winding device has wound the first winding and for the purpose of rapidly winding the second roll, without stopping the printing press, the first winding about the axis of rotation or the storage in the machine frame pivots until the winding of the second roll can be done.
  • FIG. 1 A schematic side view of a printing press with a winding device
  • Fig. 2 A schematic side view of a winding device according to the invention during the winding operation
  • Fig. 3 A schematic view of the in Fig. 2 drawn section II - II
  • FIG. 1 Figure 11 shows a schematic side view of a web 100 printing machine 100.
  • Web material 103 is typically made in a webmaking apparatus, such as an extrusion apparatus, and wound into a stock roll. Such Rushmaterialwickel be subsequently for further processing or for printing in a in Fig. 1 illustrated printing machine 100 or clamped in an unwinding station 105 of the printing machine 100.
  • the web-shaped material 103 is fed from the unwinding 105 via numerous guide rollers a printing unit 107, in which the web-shaped material 103 finally one-sided or if necessary, printed on both sides.
  • the sheet-like material 103 After the sheet-like material 103 has left the printing unit 107, it is passed through a drying device 109 and finally wound up in a winding device 101 according to the invention to form a material roll 207.
  • a drying device 109 After the sheet-like material 103 has left the printing unit 107, it is passed through a drying device 109 and finally wound up in a winding device 101 according to the invention to form a material roll 207.
  • Fig. 2 shows a schematic side view of a winding device 101 according to the invention during the winding operation.
  • the sheet-like material 103 which is supplied in the direction 219 of the winding device 101, fed via a web guide roller 211 a first winding core 205 and wound into a material roll 207.
  • the web guide roller 211 is located in the immediate vicinity of the material roll 207.
  • the web guide roll 211 can also rest directly on the material roll 207 in order to additionally improve the feed.
  • the web guide roller 211 may optionally include additional elements that allow movement of the web guide roller 211 relative to the winding core 205.
  • one or more additional web guide rollers are conceivable, which are arranged at suitable positions in order to ensure optimum feeding of the web-like material.
  • the first winding core 205 is rotatably disposed at both ends between two parallel disks or plates 221, wherein in Fig. 2 only the rear of the two discs 221 is shown.
  • the discs 221 are in turn rotatably supported by a rotation axis 209 in a machine frame (not shown).
  • the rotation axis 209 thus serves as a pivot axis for the first winding core 205, which is arranged between the disks 221.
  • This second hub 215 is the first hub 205 with respect to the axis of rotation 209 arranged opposite and like the first hub 205 at both ends rotatably mounted between the two parallel discs 221.
  • the first winding core 205 can be pivoted away from the web guide roller 211 and the second winding core 215 can be pivoted to the web guide roller 211.
  • the web-shaped material 103 can be severed by a cutting device, not shown, whereby a new web start is created.
  • This new web start can now be determined by a suitable means - for example, an adhesive - on the second winding core 215 to allow Anwickeln the web start on the second winding core 215.
  • the second winding core 215 assumes the original position of the first winding core 205.
  • the old material roll 207 can be removed from the winding device 101 and replaced by an empty winding core. In this way, without the winding device 101 or the printing press 100 having to be stopped because of the change of the winding core, a new material winding is produced.
  • a pressing element 213 is arranged, which acts with an adjustable pressing force on the first winding 205 and the material winding 207 to prevent air pockets in the material winding 207.
  • the pressing force of the pressing element 213 is also maintained constant when the winding device 101 or the first winding core 205 is pivoted or pivoted by pivoting the disks 221 about the rotation axis 209 in the machine frame. This is regularly the case when it has to be changed from the first winding core 205 to a second winding core 215.
  • the first winding core 205 is pivoted away and the second winding core 215 pivots about the rotation axis 209, while the web-shaped material 103 continues to move the first winding core 205 is wound up.
  • air inclusions continue to be prevented by the constant action of the pressing element 213 on the first material roll 207, which continues to act, and which adapts to the current pivot angle.
  • This can be done using a pneumatic controller and in particular with an E / P converter, whereby a very precise control of the pressing force of the pressing member 213 can be achieved on the material roll 207.
  • control can also be effected by other means which are suitable for compensating for the influence of gravity on the pressure element 213 by a constant pressure force on the material roll 207 even during the change from the first winding core 205 to the second winding core 215 to realize.
  • the old material winding 207 can be removed from the winding device 101 and replaced by an empty winding core.
  • the pressing element 213 is then transferred along two parallel rails 223 to the opposite - meanwhile wound - second winding core 215 in order to apply the set pressing force to the material winding of the second winding core 215.
  • both pressing elements could simultaneously act on the material roll 207 and the further pressure element could act on the second winding core 215 even from the beginning of the Anwickelns of the second winding core 215 on this with a pressing force, in particular during the change from the first winding core 205 to the second winding core 215, while the first pressure element 213 still acts on the material winding 207 of the first winding core 205.
  • the pressing member 213 may comprise a rotationally driven pressure roller to adjust the peripheral speed of the pressure roller to the peripheral speed of the first hub 205 and / or the material roll 207.
  • the peripheral speed of the pressing member 213 does not become first in contact with a winding core achieved by the rotation of the hub itself, but is already adjustable before coming into contact with a winding core.
  • the pressure roller could have elastic surface properties to compensate for differences in thickness of the sheet material 103. These can be caused in particular by uneven or irregularly applied to the web-shaped material 103 color, but are not compensated mechanically by the elastic surface properties of the pressure roller. This can prevent damage to the web-shaped material.
  • the pressing element 213 can be driven, for example, by a hydraulic control.
  • the controller could be flexibly and space-saving adapted to the structural conditions of the winding device, which is also feasible with simple and easily available, reliable and inexpensive standard components.
  • first winding core 205 and the second winding core 215 may each be provided with a drive that applies driving torque to the first winding core 205 and the second winding core 215. This would bring about a precise adjustability of the rotational speed of the winding cores, which could be particularly important during the change from the first winding core 205 to the second winding core 215, since the change of the winding cores would be particularly precise and exactly coordinated.
  • a protective device 217 which extends above and below the pressing member 213 in the radial direction.
  • Both the above and below the pressing member 213 lying part of the protective device 217 has partial protection elements, which are designed to be mutually displaceable. Now, if the position of the pressing member 213 due to the increasing in amount material coil 207 or due to a movement of the pressing member 213 from the first winding core 205 to the second winding core 215 arranged on the parallel Rails moved 223, the part protection elements move against each other so that an intervention in the winding nip of the pressing member 213 and / or the web guide rollers and penetration of objects or foreign bodies is excluded.
  • Fig. 3 shows a schematic view of the in Fig. 2 between the slices 221 arranged in parallel, the axis of rotation 209 and the pressing element 213 displaceably arranged laterally on parallel rails 223 are shown, which above and below the partial protection elements of the protective device 217 are prevented from engaging in the winding gap of the pressure element 213 and / or the web guide rollers is protected.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)

Claims (5)

  1. Dispositif d'enroulement (101) pour l'enroulement d'un matériau en forme de bande (103), de préférence dans une machine d'impression (100), avec :
    - un premier noyau d'enroulement (205), sur lequel le matériau en forme de bande (103) peut être enroulé en un rouleau de matériau (207), le premier noyau d'enroulement (205) étant conçu de manière pivotante autour d'un axe de rotation (209),
    - un rouleau de guidage de bande (211) qui est conçue pour guider le matériau en forme de bande (103) lors de l'enroulement sur le premier noyau d'enroulement (205),
    - un élément de pression (213) qui presse le matériau en forme de bande (103) enroulé sur le premier noyau d'enroulement (205) avec une force de pression réglable,
    caractérisé en ce que
    l'élément de pression (213) maintient constante, lors du pivotement du premier noyau d'enroulement (205) autour de l'axe de rotation (209), la force de pression sur le matériau en forme de bande (103) du premier noyau d'enroulement (205), un dispositif de commande étant prévu, avec lequel, lors d'un angle de pivotement déterminé du noyau d'enroulement, un convertisseur E/P peut être contrôlé, avec lequel une adaptation de la force de pression peut être effectuée, un signal électrique étant converti en un signal pneumatique, afin de compenser les effets de la force de gravité sur l'élément de pression (213) lors d'une modification de la position de pivotement.
  2. Dispositif d'enroulement selon la revendication 1,
    caractérisé en ce que
    l'élément de pression (213) comprend un dispositif d'entraînement linéaire avec un cylindre sans tige de piston.
  3. Dispositif d'enroulement selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément de pression (213) comprend un dispositif de contrôle hydraulique.
  4. Dispositif d'enroulement selon l'une des revendications précédentes,
    caractérisé en ce que
    au moins un rouleau de guidage de bande est prévu.
  5. Dispositif d'enroulement selon l'une des revendications précédentes,
    caractérisé en ce que
    l'axe de rotation (209) est logé dans un châssis de machine.
EP15175252.4A 2014-07-23 2015-07-03 Rouleau presseur pour une presse Active EP2977341B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014214335.7A DE102014214335B4 (de) 2014-07-23 2014-07-23 Wickelvorrichtung zum Aufwickeln eines bahnförmigen Materials

Publications (3)

Publication Number Publication Date
EP2977341A2 EP2977341A2 (fr) 2016-01-27
EP2977341A3 EP2977341A3 (fr) 2016-05-11
EP2977341B1 true EP2977341B1 (fr) 2019-04-17

Family

ID=53510778

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15175252.4A Active EP2977341B1 (fr) 2014-07-23 2015-07-03 Rouleau presseur pour une presse

Country Status (3)

Country Link
EP (1) EP2977341B1 (fr)
DE (1) DE102014214335B4 (fr)
ES (1) ES2728107T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019121695A1 (fr) 2017-12-20 2019-06-27 Windmöller & Hölscher Kg Enrouleuse à tourelle et procédé de fonctionnement d'une enrouleuse à tourelle

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE198928C (fr)
DE2431961A1 (de) * 1974-07-03 1976-01-22 Artos Meier Windhorst Kg Wickler zum kontinuierlichen aufwickeln von laufenden warenbahnen
DE8124903U1 (de) * 1981-08-26 1982-01-07 Stahlkontor Weser Lenze KG, 3251 Aerzen Mehrfach-wickelwendemaschine
US4971263A (en) 1988-11-10 1990-11-20 Magna-Graphics Corporation Interior rider roll
DE19853928C2 (de) * 1998-11-23 2003-12-18 Tnt Maschb Gmbh Wendewickelvorrichtung
EP2079654B1 (fr) 2006-10-09 2012-08-15 Windmöller & Hölscher KG Rouleau presseur pivotant dans une bobineuse à retournement
DE102008025994B4 (de) 2008-05-29 2011-06-09 Windmöller & Hölscher Kg Druckmaschine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE102014214335B4 (de) 2020-07-09
EP2977341A2 (fr) 2016-01-27
DE102014214335A1 (de) 2016-01-28
ES2728107T3 (es) 2019-10-22
EP2977341A3 (fr) 2016-05-11

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