EP0972877B1 - Calandre pour bandes de papier ou analogue - Google Patents

Calandre pour bandes de papier ou analogue Download PDF

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Publication number
EP0972877B1
EP0972877B1 EP99111771A EP99111771A EP0972877B1 EP 0972877 B1 EP0972877 B1 EP 0972877B1 EP 99111771 A EP99111771 A EP 99111771A EP 99111771 A EP99111771 A EP 99111771A EP 0972877 B1 EP0972877 B1 EP 0972877B1
Authority
EP
European Patent Office
Prior art keywords
roller
roll
rollers
stack
calender
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
EP99111771A
Other languages
German (de)
English (en)
Other versions
EP0972877A3 (fr
EP0972877A2 (fr
Inventor
Mathias Dipl.-Ing. Helmus
Joachim Dipl.-Ing. Hinz
Gerhard Dipl.-Ing. Stock
Franz Kayser
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.)
Voith Patent GmbH
Original Assignee
Voith Paper Patent 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
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Application filed by Voith Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP0972877A2 publication Critical patent/EP0972877A2/fr
Publication of EP0972877A3 publication Critical patent/EP0972877A3/fr
Application granted granted Critical
Publication of EP0972877B1 publication Critical patent/EP0972877B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/02—Rolls; Their bearings
    • D21G1/0226—Bearings
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/02—Rolls; Their bearings
    • D21G1/0206—Controlled deflection rolls
    • D21G1/0213—Controlled deflection rolls with deflection compensation means acting between the roller shell and its supporting member
    • D21G1/022—Controlled deflection rolls with deflection compensation means acting between the roller shell and its supporting member the means using fluid pressure

Definitions

  • the invention relates to a calender for webs made of paper or similar material, with two stacks of rollers, each with a deflection roll at at least one end have, whose coat over a Deflection adjustment device on a non-rotatable Carrier is supported.
  • a known calender of this type (DE 196 33 671 A1) are two roll stacks of five rolls in one vertical level one above the other on a stand appropriate.
  • the top roller and the bottom roller one each stack is designed as a deflection adjustment roller.
  • the top roller is on the stand fixed, while the lower roller on one relocatable and resilient by means of a hydraulic cylinder Sled is attached.
  • the roller shells are therefore stored at their ends on the associated carrier.
  • the carrier is on the stand or on the slide attached.
  • rollers of the jacket stroke type as known from DE 30 04 913 C2 are.
  • the roller jacket is not on the carrier stored, but slidable relative to it, so that the deflection adjustment device simultaneously as Can serve loading device.
  • the invention has for its object a calender of the type described in the introduction, that it offers another way of treating the web.
  • This object is achieved in that a deflection adjustment roller of the one roller stack and a deflection adjustment roller of the other roller stack of the jacket stroke type and are adjacent to each other and a closable using the coat stroke Can form additional nip, and that the direction of action of Deflection adjustment device optionally to the associated Roll stack or to the other deflection adjustment roller of the other stack of rollers.
  • Deflection adjusters are in a wide variety Known forms. They mostly work with hydrostatic support devices, particularly in the Form of rows of support elements determining the direction of action.
  • the deflection adjustment device consists of a row of support elements and means an actuator can be moved by an angle is.
  • the advantage here is that the structural Effort for the support device is kept small.
  • a recommended for the directional jacket stroke Guide offset with the row of support elements become.
  • Deflection adjustment device made of two against each other staggered rows of support elements, which is optional are effective.
  • the bearings for the carrier at least of a deflection roller eccentric with which the distance between the neighboring Deflection adjustment rollers can be reduced. This means that the new principle can also be used if the jacket stroke alone for closing the additional nip is not sufficient.
  • eccentric together with the bracket through the adjusting device at an angle are rotatable.
  • An adjusting device is therefore sufficient for the adjustment of carrier and eccentric.
  • the two roll stacks preferably have a common one Midplane. This is often constructively desirable because a joint tour is provided on the stand can be.
  • the common central plane runs obliquely to the horizontal. Due to the inclined position, there is a calender, the height of which is less than that of a 10-roll calender with a vertical roll stack and its Length is less than two arranged side by side 5-roll calender with vertical roll stack.
  • the roll stack is odd Have number of rollers and each nip through a hard and an elastic roller is limited and that the deflection adjusting rollers limiting the additional nip wear an elastic cover.
  • both roller stacks result in a glossy satin finish of the Paper, first one and then the other Web side abuts the hard, smooth rollers. at however, only using the additional nip results a satin satin.
  • a calender 1 made for the treatment of webs Paper and similar material, such as cardboard has an upper 5-roll stack 2 and a lower one 5-reel stack 3 on.
  • the upper roll stack 2 consists of the top roller 4, three intermediate rollers 5, 6 and 7 and the lower roller 8.
  • the lower roller stack 3 consists of the top roller 9, three intermediate rollers 10, 11 and 12 and the lower roller 13.
  • the top and bottom rollers 4, 8, 9 and 13 are deflection adjustment rollers of the jacket lift type, which are among themselves can have the same structure, so that with one reserve roller for all four end rollers.
  • a deflection adjustment roller has 4 a jacket 14, which has a Deflection adjustment device 15 on one in operation Supported rotatably supported on the stand 6 support 17 is.
  • the deflection adjustment device 15 exists in the present example from a series of hydrostatic Support elements 18 in a known manner via a pressure chamber 19 each with pressure medium be supplied that the deflection adjustment 15 also serves as a loading device.
  • To the The ends of the roller jacket 15 are on a bearing ring 20 mounted in the stroke direction on a stroke guide 21 is movable.
  • roller jacket 14 is therefore over its entire length is movable in the stroke direction. Moreover is still provided for the deflection adjustment rollers, that the carrier 17 with the help of an actuator 22 can be offset by an angle of 180 ° (cf. the arrow 23 in Fig. 2), so that the direction of action of Deflection adjuster 15 in the opposite Direction points as this by the dash-dotted line arranged row of support elements 18 'illustrated is.
  • the top intermediate rollers 5 and 10 are fixed to the stand 16 stored. If the associated top rollers 4 and 9, the deflection adjuster 15 shown in FIG Fig. 2 has illustrated position, the paper web 24 in the first nips 25 and 26 in the direction of passage the upper roll stack 2 or the lower roll stack 3 with a very high line load and therefore high Compressive stress are treated.
  • the intermediate rollers 6, 7, 11 and 12 are each on a lever 27 stored, about a fixed pivot axis swings. If the deflection adjusters 15 of the lower rollers 8 and 13 the dashed in Fig. 2 Have the nips 28, 29 and 30 of the top Roll stack 2 and the nips 31, 32 and 33 of the lower Roll stack 3 loaded accordingly.
  • the amount of the burden is independent of that in the first Nip 25 or 26. There are therefore four sections, in which the paper web 24 is different can be treated so that a variety of different Can produce paper qualities.
  • the upper and lower rollers 4, 8, 9 and 13 and the middle intermediate rolls 7 and 11 are elastic rolls, while the remaining intermediate rolls 5, 7, 10 and 12 are heated hard rollers. But it also comes other combinations, for example with hard tops Bottom rolls, into consideration.
  • the distance between the two deflection adjustment rollers 9 and 10 is so small that the additional nip 34 under Utilization of the roll stroke from, for example, 30 to 40 mm can be closed.
  • the additional nip 34 under Utilization of the roll stroke from, for example, 30 to 40 mm can be closed.
  • deflection adjusters 15 of the two end rollers 8 and 9 with the help of the adjusting device 22 towards each other and then that Supply pressure medium with the appropriate pressure.
  • Supply pressure medium with the appropriate pressure.
  • With this additional nip 34 can then be satinized be since the two bending adjustment rollers 8 and 9 wear an elastic cover. Without significant additional There is therefore another possibility paper handling.
  • the carrier 91 of the top roller 9 is mounted in a spherical cap 92 be in turn by an eccentric 93 will be carried.
  • the latter is together with the carrier 91 by the adjusting device 22 through 180 ° in the bearing 94.
  • the open additional nip 34 can be opened For example, 80 mm can be held, which is also an opening the nips 28 and 29 relieved.
  • the axes of the rollers 4 to 13 lie approximately in a common one Level E, which is opposite to the horizontal Is inclined 45 °. Accordingly, the stand has 16 an oblique course. It can therefore be in two places are supported, namely with a lower support surface 35 on a fixed bearing surface 36 and with an upper bearing surface 37 on an upper building-fixed Storage area 38.
  • the storage area 37 is located itself on a foot 39, the stand 16 near it upper end is attached.
  • the bearing surfaces 36 and 38 run horizontally and are each on a concrete foundation or base 40 or 41 formed. This is the stand 16 largely insensitive to vibrations.
  • the stand 16 can be less stable than so far and therefore cheaper to manufacture.
  • the calender 1 can work online. He is between the last drying roller 42 of the Drying section of a paper machine and a winding device 43, for example a slitter and Winder. Drying roller and winding device are at about the same height and above one Working level 44, which is penetrated by the calender 1. Therefore, the paper web 24 has between the drying roller 42 and the entrance of the calender 1 and between the Exit of the calender 1 and the winding device 43 a relatively weakly increasing course. This makes it easier to insert the paper web in online mode. The same advantage arises when the paper web from the drying roller 42 down into the Calender 1 is inserted and the top of the winding device 43 exits.
  • An only indicated web feed device 45 the works with rope clamping, for example Start of path through all nips 25 to 33 of the two Roll stack 2 and 3 and the additional nip 34. It is sufficient hence an insertion process for both roll stacks.
  • the Introductory movement is supported by the fact that all Rolling the calender and also the associated guide rolls each have their own drive 46.
  • the paper treatment then results depending on which one of the nips mentioned are closed.
  • Drawn in dashed lines is a second web insertion device 47, with which only the additional gap 34 is supplied. at
  • the matt satinage of a web introduced in this way exists Possibility of repairs on the other rollers or a To make a replacement. Semimatt operation results for example, if only the top one Nip 25 is used.
  • the inclination with the roller stacks arranged at the top has the further advantage that the rollers Substitution are more accessible and for example removed with a crane 48 and corresponding crane control and can be used.
  • the bearings of the roller to be replaced by means of a hydraulic actuator 49 along a guide be pulled out perpendicular to plane E, as this is shown in dashed lines in Fig. 1.
  • an actuator 49 comes primarily the piston of one along the lever 27 extending hydraulic cylinder in Consideration.
  • the crane 48 can Hold the roller ends immediately and the roller vertically dissipate.

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Paper (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)

Claims (8)

  1. Calandre (1) pour bandes de papier ou de matériau analogue, avec deux piles de rouleaux (2, 3) qui présentent chacune, à au moins une extrémité, un rouleau à courbure réglable (4, 8, 9, 13) dont l'enveloppe (14) est appuyée sur un support (17) maintenu fixe sans rotation par l'intermédiaire d'un dispositif de réglage de la courbure (15), caractérisée en ce qu'un rouleau à courbure réglable (8) d'une première pile de rouleaux (2) et un rouleau à courbure réglable (9) de l'autre pile de rouleaux (3) sont du type à soulèvement de l'enveloppe et sont voisins l'un de l'autre et peuvent former une ligne de contact supplémentaire (34) à fermer en utilisant le soulèvement de l'enveloppe, et en ce que le sens d'action du dispositif de réglage de la courbure (15) pointe au choix vers la pile de rouleaux associée (2, 3) ou vers le rouleau à courbure réglable (8, 9) de l'autre pile de rouleaux (2, 3).
  2. Calandre selon la revendication 1, caractérisée en ce que le dispositif de réglage de la courbure (15) présente une série d'éléments d'appui (18), qui peuvent être déplacés d'un certain angle au moyen d'un dispositif de réglage (22).
  3. Calandre selon la revendication 1 ou 2, caractérisée en ce que les paliers (94) pour le support (91) au moins d'un premier rouleau à courbure réglable (9) présentent des excentriques (93), avec lesquels la distance entre les rouleaux à courbure réglable voisins (8, 9) peut être réduite.
  4. Calandre selon la revendication 3, caractérisée en ce que les excentriques (93) peuvent tourner d'un certain angle avec le support (91) au moyen du dispositif de réglage (22).
  5. Calandre selon l'une quelconque des revendications 1 à 4, caractérisée en ce que les deux piles de rouleaux (2, 3) ont un plan moyen commun (E).
  6. Calandre selon la revendication 5, caractérisée en ce que le plan moyen commun (E) est incliné par rapport à l'horizontale.
  7. Calandre selon l'une quelconque des revendications 1 à 6, caractérisée en ce que les piles de rouleaux (2, 3) présentent un nombre impair de rouleaux et chaque ligne de contact (25 à 33) est délimitée par un rouleau dur et un rouleau élastique et en ce que les rouleaux à courbure réglable (8, 9) délimitant la ligne de contact supplémentaire (34) portent un revêtement élastique.
  8. Calandre selon l'une quelconque des revendications 1 à 7, caractérisée en ce que les deux piles de rouleaux (2, 3) présentent chacune 5 rouleaux.
EP99111771A 1998-07-16 1999-06-18 Calandre pour bandes de papier ou analogue Expired - Lifetime EP0972877B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19832066 1998-07-16
DE19832066A DE19832066C2 (de) 1998-07-16 1998-07-16 Kalander für Bahnen aus Papier oder ähnlichem Material

Publications (3)

Publication Number Publication Date
EP0972877A2 EP0972877A2 (fr) 2000-01-19
EP0972877A3 EP0972877A3 (fr) 2000-05-17
EP0972877B1 true EP0972877B1 (fr) 2003-08-27

Family

ID=7874335

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99111771A Expired - Lifetime EP0972877B1 (fr) 1998-07-16 1999-06-18 Calandre pour bandes de papier ou analogue

Country Status (5)

Country Link
US (1) US6336398B1 (fr)
EP (1) EP0972877B1 (fr)
AT (1) ATE248250T1 (fr)
CA (1) CA2277428A1 (fr)
DE (2) DE19832066C2 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI113071B (fi) * 2000-02-21 2004-02-27 Metso Paper Inc Kalanteri
DE10000543A1 (de) * 2000-01-08 2001-07-19 Voith Paper Patent Gmbh Kalander
DE10041651A1 (de) * 2000-08-24 2002-03-14 Voith Paper Patent Gmbh Kalander
DE10201349B4 (de) * 2002-01-16 2005-12-22 Voith Paper Patent Gmbh Kalander
DE102005030760A1 (de) * 2005-07-01 2007-01-04 Voith Patent Gmbh Kalander
DE102005044957A1 (de) 2005-09-20 2007-03-22 Voith Patent Gmbh Breitstreckwalze
DE102005044956A1 (de) * 2005-09-20 2007-03-22 Voith Patent Gmbh Breitstreckwalze
FI117903B (fi) * 2005-11-14 2007-04-13 Metso Paper Inc Monitelakalanterin kalanteritelan laakereiden kuormittaminen
DE102006037112B4 (de) * 2006-08-07 2018-05-30 Andritz Küsters Gmbh Verfahren und Vorrichtung zur Behandlung einer vorlaufenden Warenbahn in einem Bearbeitungsspalt unter Wirkung niedriger Linienkräfte
DE102006040683A1 (de) * 2006-08-30 2008-03-06 Voith Patent Gmbh Kalander

Family Cites Families (21)

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Publication number Priority date Publication date Assignee Title
BE674203A (fr) * 1965-01-12 1966-04-15
US3728767A (en) * 1970-12-28 1973-04-24 Yamauchi Rubber Ind Co Ltd Apparatus for adjusting the altitude of a chord of an expanding roll
DE2230139B2 (de) * 1971-06-28 1980-01-31 Escher Wyss Ag, Zuerich (Schweiz) Walze mit Durchbiegungsausgleich für die Druckbehandlung von bahnförmigen Materialien
CH587690A5 (fr) * 1975-01-29 1977-05-13 Escher Wyss Ag
US4194446A (en) * 1976-08-20 1980-03-25 Valmet 04 Rolls, such as filled calender rolls, having deflection compensation
CH627243A5 (fr) * 1978-03-01 1981-12-31 Escher Wyss Ag
AT369063B (de) * 1979-05-10 1982-12-10 Escher Wyss Ag Walzvorrichtung zum walzen von bahnfoermigen materialien
DE3004913C2 (de) * 1980-02-09 1982-07-15 Kleinewefers Gmbh, 4150 Krefeld Kalander
FI62374C (fi) * 1980-05-22 1982-12-10 Valmet Oy On-machine superkalander foer papper eller motsvarande
JPS5891890A (ja) * 1981-11-24 1983-05-31 神崎製紙株式会社 ス−パ−カレンダ−
DE3250109C2 (de) * 1982-04-30 1996-05-30 Kleinewefers Gmbh Verfahren zum Betrieb eines Kalanders für Papier- und andere Materialbahnen
DE3325385A1 (de) * 1983-07-14 1985-01-31 Kleinewefers Gmbh, 4150 Krefeld Druckbehandlungswalze
DE3821027A1 (de) * 1988-06-22 1989-12-28 Kuesters Eduard Maschf Kalanderanordnung
US4852229A (en) * 1988-10-11 1989-08-01 Beloit Corporation Self-loading controlled deflection roll
FI100099B (fi) * 1988-11-17 1997-09-30 Valmet Paper Machinery Inc Menetelmä ja laite paperirainan rullauksessa
DE4314653C2 (de) * 1993-05-04 1997-01-30 Troester Maschf Paul Mehrzweckkalander
FI95062C (fi) * 1993-12-29 1995-12-11 Valmet Paper Machinery Inc Kalanteri
DE19511145C2 (de) * 1995-03-27 2000-07-13 Voith Sulzer Finishing Gmbh Kalander für die zweiseitige Papierbehandlung
US5662307A (en) 1996-06-05 1997-09-02 Lentine; Salvatore A. Portable outboard motor support and lift
DE19631056C2 (de) 1996-08-01 2000-08-17 Voith Sulzer Finishing Gmbh Kalander
DE19633671C2 (de) * 1996-08-21 1999-03-11 Voith Sulzer Finishing Gmbh Kalander

Also Published As

Publication number Publication date
EP0972877A3 (fr) 2000-05-17
ATE248250T1 (de) 2003-09-15
DE19832066A1 (de) 2000-02-17
EP0972877A2 (fr) 2000-01-19
CA2277428A1 (fr) 2000-01-16
DE59906745D1 (de) 2003-10-02
US6336398B1 (en) 2002-01-08
DE19832066C2 (de) 2000-06-08

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