EP1431217A1 - Appareil de support d'un rouleau et appareil et procédé pour déplacer un rouleau par rapport à son axe - Google Patents

Appareil de support d'un rouleau et appareil et procédé pour déplacer un rouleau par rapport à son axe Download PDF

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Publication number
EP1431217A1
EP1431217A1 EP03405869A EP03405869A EP1431217A1 EP 1431217 A1 EP1431217 A1 EP 1431217A1 EP 03405869 A EP03405869 A EP 03405869A EP 03405869 A EP03405869 A EP 03405869A EP 1431217 A1 EP1431217 A1 EP 1431217A1
Authority
EP
European Patent Office
Prior art keywords
spring
force
spring element
holding device
roll
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
EP03405869A
Other languages
German (de)
English (en)
Other versions
EP1431217B1 (fr
Inventor
Hans Furrer
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.)
Wifag Maschinenfabrik AG
Original Assignee
Wifag Maschinenfabrik 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 Wifag Maschinenfabrik AG filed Critical Wifag Maschinenfabrik AG
Publication of EP1431217A1 publication Critical patent/EP1431217A1/fr
Application granted granted Critical
Publication of EP1431217B1 publication Critical patent/EP1431217B1/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
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
    • B65H19/126—Lifting, transporting, or inserting the web roll; Removing empty core with both-ends supporting arrangements
    • 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
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
    • 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
    • B65H19/30—Lifting, transporting, or removing the web roll; Inserting core
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S414/00—Material or article handling
    • Y10S414/124—Roll handlers

Definitions

  • the present invention relates to a device for carrying a roll, such as z.
  • a paper roll which, for example, in a reel changer Web printing machine can be used.
  • the invention relates to a device and a method for expanding such a role.
  • Fig. 1 shows by way of example, a roll changer 1, which on paper journals 1 a and 1 b paper rolls 6 and 7 stops.
  • a roll changer 1 which on paper journals 1 a and 1 b paper rolls 6 and 7 stops.
  • a paper roll z. B. a full paper roll 6 via a Moving platform 3 brought to the reel changer 1 and the reel changer 1 by means of Trunnion 1 a received and pivoted, with an exchangeable and z. Almost completely unwound roll 7 is again stored on the transfer stage 3.
  • a reel changer is known, with which a paper roll can be unloaded via a traverser.
  • a Measuring device needed, with which the web speed of the expiring Paper web and the angular speed of the roll of paper from which this web is unwound, can be measured so that the diameter of the paper roll as Quotient of the orbital velocity and the angular velocity, from which the angle and the distance, under which the traverser the paper roll is determined.
  • DE 197 14 551 C2 describes a device for the removal of a printing material roll from support arms of a roll changer in a web press with a Holding device on which the Beyakstoffrolle can be stored, wherein at the Holding device, a pressure sensor for detecting the of the Beyakstoffrolle and the Supporting arms on the holding device exerted weight and pressure is provided.
  • An arithmetic circuit of a control circuit determines the difference of one of the Pressure sensor detected actual pressure value and a previously calculated or predetermined Residual roll pressure value of the substrate to be replaced.
  • the inventive device for supporting a roll has a holding device on which the Roll can be stored.
  • a first spring element is provided, which is so connected to the holding device or coupled that at a load the holding device, for. B. by placing the role, by the first spring element a approximately against the load caused by the force directed first spring force is produced.
  • a second spring element is provided according to the invention, which is coupled or connected to the holding device such that the second spring element a second spring force acting approximately against the force generated by the first spring element second spring force generated.
  • the second spring force acts approximately in the direction of the load evoked force.
  • first and / or second spring element on a Attached device which itself is fixed or with a fixed device such as z. B. is connected to a floor or stands on it.
  • the fixed device should be up advantageous not move with the role to be deposited.
  • the first and second spring element are configured or arranged such that the maximum spring travel of the second spring element is smaller than a maximum achievable Spring travel of the first spring element.
  • the spring elements so be arranged that the first spring element by a compressive force, which caused is compressed by a laid on the holder roller, whereas the second spring element, which in the resting state in the absence of load of Holding device z. B. is tensioned by the force of the first spring element, at a gradually relieved by a load of the holding device caused movement becomes.
  • the second spring element may be configured so that after a predetermined Spring travel or a lowering of the holding device, the second spring element completely is relaxed, so that no more force from the second spring element on the holding device acts, whereby the holding device after the predetermined travel only from the spring element is sprung.
  • first and second Spring elements performs a load on the holding device initially via a predetermined travel of z. B. 5 mm, after which the second spring element is completely relaxed, to a lowering caused by the load Holding device at a smaller load of the counteracting spring force, after which after complete relaxation of the second spring element, a greater spring force on the Holding device acts to further lowering or after the predetermined travel Jamming of the holding device to complicate.
  • a stop signal for the reel changer be generated, which required for triggering the switch or initiator Moving or lowering the holding device relatively easily against a smaller Spring force occurs during a further movement or lowering of the Holding device counteracts a larger spring force, so that a "swinging" a support arm of the roll changer with a roller held by the support arm can be easily recorded.
  • the spring force of the partially tensioned first spring element is preferred greater than the spring force of the partially tensioned second spring element, so that For example, the second spring element at rest in the absence of stress Holding device can be stretched by the first spring element and the first Spring element via a predetermined travel "soft" makes.
  • the spring constant of the first spring element may be larger than, equal to or smaller than that of the second Spring element.
  • the idle state can z. B. be a state in which the carrying device is unloaded is. Here, individual or all spring elements relaxed or partially or be completely curious.
  • the first spring element is a compression spring, a compression spring package or a Arrangement of several compression springs, which by compression of the spring or Spring elements generate a counterforce.
  • the second spring element as Disk spring or plate spring package formed, which is a preferably relatively small Travel of z. B. 1 to 10 mm, in particular 5 mm until the diaphragm spring or Disc spring package is completely relaxed.
  • the first spring element and / or the second spring element both from a single spring, and in parallel to each other and / or successively arranged spring elements are formed, wherein
  • the invention by the terms first and second spring element is described. It is also possible the device according to the invention so to design that the first spring element at a load of the holding device relaxed and the second spring element is tensioned, which in principle the same Effects can be obtained.
  • a switching device which outputs a signal when the Holding device brought by a predetermined path from the rest position or by Laying down a roll is pressed down.
  • a signal of a switching device can z. B. used to stop the movement of the support arm of a reel changer become. Is the switching device arranged so that these within the spring travel is triggered, wherein the second spring element is still one against the first Spring element directed force generated so the triggering of the switching device z. B. to stop the movement of the reel changer by a comparatively small amount the holding device acting force can be effected during a too strong compression the holding device that no longer by a predetermined travel through the second Counteracts spring element "soft" made first spring element.
  • At least one spring element with a over the Be provided spring deflection spring constant which instead and / or in Combination with the first and / or second spring element is used, so that the inventive effect of a first "soft” and then “hard” spring with only one single or multiple such spring elements can be achieved.
  • the invention relates to a transport device with a device for carrying a roll as described above and at least a transport element, such.
  • a transport element such.
  • B. an impeller to the transport device with or without being able to move a laid on the holding role, creating a Roll can be brought to a roll changer or transported away from it.
  • the transport device is equipped so that the first spring element so is arranged to provide a spring action or spring force between the holding device and to produce the transport element.
  • the first spring element so is arranged to provide a spring action or spring force between the holding device and to produce the transport element.
  • a laid on the holding device Roll be cushioned by the first spring element, thereby possibly a Applying the roller occurring impact or a greater force not directly on the Transport element acts, but is cushioned.
  • the second spring element arranged so that between the transport element and one with the holding device connected spring column is a spring force is generated, so that the second spring element the counteracts the first spring element to the first spring element over a predetermined To make the travel "soft".
  • the invention in another aspect, relates to an apparatus for Ausachsen a roll with a device as described above for supporting a Roller and in particular with a transport device as described above and a Reel changer with support arms, on which rollers are taken over trunnions and can be stored again by Ausachsen.
  • the invention relates to a method for expanding a roll, wherein a holding device by placing a roller against the force of a first Spring element and supported by the force of a second spring element is moved and after a predetermined travel, the holding device only against the force of first spring element is moved.
  • a switching signal by a movement of the Retaining device generated, preferably in the region of the spring travel at which the second Spring element still exerts a force on the holding device, wherein the switching signal to Control of a reel changer can be used.
  • Fig. 1 shows a paster 1 with a support arm 2, on which by trunnion 1a and 1b paper rolls 6 and 7 are attached.
  • the arm 2 is pivoted and should be stopped when the Paper roll 6 rests on the holding device 5 of the transfer stage 3.
  • the paper roll 6 presses on the holding device 5, which is mounted on a sprung frame.
  • Fig. 2 shows a detailed view of the sliding platform 3 shown in Fig. 1 and shows that the Paper roll 6 is placed on the holding device 5.
  • the holding device 5 is on a attached sprung frame, which from the longitudinal beams 8, the cross beams 9, the Plates 10, the cover plates 11, the spring columns 12 and with the spring columns 12th connected discs 13 consists. For simplicity, the below in the area a spring column 12 occurring forces described.
  • the holding device 5 chassis 21 which serves for transporting the paper roll 6 out of the plane of the drawing, together with the longitudinal member 8, which is connected to the longitudinal member 8 cross member. 9 and the associated plate 10 is pressed down and thus causes a Compressing the compression spring elements 14 between the plate 10 and the Axle 15.
  • the cover plate 11 On the plate 10, the cover plate 11 is arranged, whose upper edge is itself at rest at the level of the finished floor N is located.
  • the plate 10 is connected to the Spring column 12 is connected, which are moved through the axle 15 through can.
  • On the opposite side of the pressure spring 14 of the shaft member 15 is between the disk 13 connected to the spring column 12 and the axle element 15 Disc spring assembly 16 is arranged, which the spring column 12 against the force of the compression spring 14 pushes down.
  • the geometry and the force of the compression spring 14, and the cup spring assembly 16 are preferably designed so that in the rest position, d. H. without one on the fixture 5 lying weight, the collar 20 of the spring column 12 is present at the axle 15.
  • the Contact force between the collar 20 of the spring column 12 and the axis 15 is in the Rest position relatively low.
  • the switch 4 supplies with a suitable design after a few tenths of a millimeter Signal for stopping the rotary movement of the support arm 2.
  • the contact force between the Holding device 5 and the paper roll 6 increases rapidly because the spring force of Compression spring 14 continues to rise, but the spring force of the plate spring assembly 16 decreases, as will be described below with reference to the diagram shown in Fig. 4. After a few millimeters of deflection, the plate spring package 16 is completely relieved and has therefore no longer affect the whole system. It is advantageous the travel so be interpreted that after a given by the switch 4 stop signal a "Nachschwenken" of the support arm 2 with a clamped paper roll 6 easily from the can be recorded.
  • Fig. 3 shows schematically in cross-section the disc spring assembly 16 shown in Fig. 2 based a preferred embodiment.
  • the dashed lines in Fig. 3 show the tensioned state of the cup spring package, which in the by the solid line shown relaxed state after placing the paper roll 6 the holding device 5 passes, in which the plate spring package no longer has power the disc 13 of the spring column 12 exerts.
  • Fig. 4 is a diagram showing the impact force F 'between the axle member 15 and the collar 20 of the spring column 12.
  • the solid rising line shows the force generated by the compression spring 14 in response to the spring travel s.
  • the descending line shows the force exerted by the plate spring package 16 as a function of the spring travel s.
  • the stop force F 'between the axle member 15 and the collar 20 of the spring column 12 is referred to, which is relatively low in the rest position.
  • the collar 20 of the spring column 12 is at the axle 15 at. Is by a load of the holding device 5 z. B. pressed by a roll of paper 6, the spring column 12 shown in Fig. 2 down, the force generated by the compression spring 14 increases, this force counteracts the force generated by the plate spring 16 force until the spring travel s 0, the plate spring package 16 completely is relaxed.
  • Fig. 5 shows schematically a further alternative embodiment of a Moving platform according to the invention. According to the embodiment shown in Fig. 5 is the mobile platform is only partially sprung on the left side and lies on the right side unsprung on a pivot or pivot on. A z. B.
  • the spring or the springs as described above also as the first and second spring element or as a single or a plurality may be formed by spring elements which a spring over their travel have changing spring strain constant, so that advantageously the occurring force F is sprung by a preferably relatively small initial spring travel "soft" while After this relatively small travel a larger spring force a further drop in the Counteracts the upper side of the sliding platform.
  • Fig. 6 shows further alternative embodiments of the invention in more schematic View. It is with RI a first z. B. left side of a roll changer and with RII one second z. B. right side of a reel changer.
  • the mobile platform is with VSB designates.
  • the pivot point of the frame is schematically represented by a triangle and the one or more springs, spring elements or spring packs used are by zigzag lines shown.
  • the transfer stage z. B. at one, two or be rotatably mounted more points and be sprung at one, two or more points.
  • bottom right embodiment shown corresponds to the particular below Referring to Fig. 2 described embodiment.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Coating With Molten Metal (AREA)
EP03405869A 2002-12-11 2003-12-05 Appareil de support d'un rouleau et appareil et procédé pour déplacer un rouleau par rapport à son axe Expired - Lifetime EP1431217B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10257898 2002-12-11
DE10257898A DE10257898B4 (de) 2002-12-11 2002-12-11 Vorrichtung zum Tragen einer Rolle und Vorrichtung und Verfahren zum Abfedern einer Rolle beim Ausachsen

Publications (2)

Publication Number Publication Date
EP1431217A1 true EP1431217A1 (fr) 2004-06-23
EP1431217B1 EP1431217B1 (fr) 2007-11-14

Family

ID=32336207

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03405869A Expired - Lifetime EP1431217B1 (fr) 2002-12-11 2003-12-05 Appareil de support d'un rouleau et appareil et procédé pour déplacer un rouleau par rapport à son axe

Country Status (5)

Country Link
US (1) US7059559B2 (fr)
EP (1) EP1431217B1 (fr)
JP (1) JP3905507B2 (fr)
AT (1) ATE378278T1 (fr)
DE (2) DE10257898B4 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005032600B4 (de) * 2005-07-13 2007-10-25 Koenig & Bauer Aktiengesellschaft Vorrichtung zum Ausrichten einer Materialrolle vor dem Aufachsen in einem Rollenwechsler

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5402980A (en) * 1992-07-28 1995-04-04 Champion International Corporation Wound paper roll support apparatus
DE29908233U1 (de) * 1999-05-07 1999-09-09 Westfalia-WST-Systemtechnik GmbH & Co. KG, 33829 Borgholzhausen Satellitenfahrzeug zum Ein- und Auslagern von Papierrollen
DE10020909A1 (de) * 2000-04-28 2001-11-08 Koenig & Bauer Ag Vorrichtung zur Förderung einer Vorratsrolle

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1066975B (fr) * 1959-10-15 Demag Aktiengesellschaft, Duisburg
DE4334582A1 (de) * 1993-10-11 1995-04-13 Roland Man Druckmasch Rollenwechsler
US5793365A (en) * 1996-01-02 1998-08-11 Sun Microsystems, Inc. System and method providing a computer user interface enabling access to distributed workgroup members
DE19714551C2 (de) * 1997-04-09 2002-02-28 Roland Man Druckmasch Vorrichtung zum Ausachsen einer Bedruckstoffrolle
US6176670B1 (en) * 1999-04-21 2001-01-23 Eastman Kodak Company Roll handling and transport assemblage

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5402980A (en) * 1992-07-28 1995-04-04 Champion International Corporation Wound paper roll support apparatus
DE29908233U1 (de) * 1999-05-07 1999-09-09 Westfalia-WST-Systemtechnik GmbH & Co. KG, 33829 Borgholzhausen Satellitenfahrzeug zum Ein- und Auslagern von Papierrollen
DE10020909A1 (de) * 2000-04-28 2001-11-08 Koenig & Bauer Ag Vorrichtung zur Förderung einer Vorratsrolle

Also Published As

Publication number Publication date
DE50308593D1 (de) 2007-12-27
US20040113010A1 (en) 2004-06-17
ATE378278T1 (de) 2007-11-15
DE10257898A1 (de) 2004-07-15
US7059559B2 (en) 2006-06-13
DE10257898B4 (de) 2006-01-12
JP2004189483A (ja) 2004-07-08
JP3905507B2 (ja) 2007-04-18
EP1431217B1 (fr) 2007-11-14

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