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EP0972878B1 - Calandre pour bandes de papier ou analogue - Google Patents

Calandre pour bandes de papier ou analogue Download PDF

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Publication number
EP0972878B1
EP0972878B1 EP99111772A EP99111772A EP0972878B1 EP 0972878 B1 EP0972878 B1 EP 0972878B1 EP 99111772 A EP99111772 A EP 99111772A EP 99111772 A EP99111772 A EP 99111772A EP 0972878 B1 EP0972878 B1 EP 0972878B1
Authority
EP
European Patent Office
Prior art keywords
roller
roll
rollers
web
rolls
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
EP99111772A
Other languages
German (de)
English (en)
Other versions
EP0972878A3 (fr
EP0972878A2 (fr
Inventor
Ralf Dipl.-Ing. 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.)
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
Application filed by Voith Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP0972878A2 publication Critical patent/EP0972878A2/fr
Publication of EP0972878A3 publication Critical patent/EP0972878A3/fr
Application granted granted Critical
Publication of EP0972878B1 publication Critical patent/EP0972878B1/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

Definitions

  • the invention relates to a calender for webs made of paper or similar material, with a stand and at least one having at least four rollers Roll stack, its end rolls as deflection adjustment rolls with one via a deflection adjustment device on a non-rotatable support supported jacket are formed.
  • EP 0 822 289 A2 describes a calender with a Roll stack, the two as deflection adjustment rolls trained end rolls and in between several intermediate rolls having.
  • An end roller has an additional one deflection compensation device acting in the direction away from the intermediate rolls on and it's an additional one, additional roller designed as a deflection compensation roller on the side facing away from the intermediate rolls arranged this end roller.
  • This end roller and the additional roller are arranged on a carrier which on Stand is movable. You can now either use the nip close on the carrier by placing the additional roller on the End roller is moved too, or you can with open Additional nip move the carrier on the stand and the rest Close nips between the rollers and the calender operate conventionally.
  • GB 2 049 516 A describes a calender with a roll stack, of the two deflection compensation rollers as End rolls and has several intermediate rolls in between.
  • the two deflection compensation rollers are designed as rolls with a jacket stroke, i.e. They are in the press level of the roll stack shiftable.
  • the invention has for its object a calender of the type described in the introduction, the improved Ways to treat the paper web offers.
  • deflection adjustment rollers are of the jacket lift type from DE 30 04 913 C2 as a top and bottom roller Roll stack known.
  • the Jacket of one end roller moved up to a stop, so that the position of the jacket relative to the stand is fixed.
  • 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 16 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 8 and 9 is so low 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

  • Paper (AREA)

Claims (4)

  1. Calandre pour des bandes (24) de papier ou de matériau analogue, avec une cage (16) et au moins une pile de rouleaux (2, 3) présentant au moins quatre rouleaux (4-13), dont les rouleaux d'extrémité (4, 8, 9, 13) sont des rouleaux à courbure réglable avec une enveloppe (14) appuyée sur un support fixe en rotation (17) par l'intermédiaire d'un dispositif de réglage de la courbure, caractérisée en ce que le rouleau intermédiaire (5, 10) voisin du rouleau supérieur à courbure réglable (4, 9) est monté en position fixe dans la cage et en ce que la contrainte de compression dans la ligne de contact supérieure (25, 26) est réglable à l'aide du rouleau supérieur à courbure réglable (4, 9), indépendamment de la contrainte de compression dans les lignes de contact (28 à 33) se trouvant sous celle-ci.
  2. Calandre selon la revendication 1, caractérisée en ce que les deux rouleaux d'extrémité (4, 8, 9, 13) du type à soulèvement de l'enveloppe et leurs supports (17) sont montés en position fixe dans la cage.
  3. Calandre selon la revendication 1 ou 2, caractérisée en ce que les rouleaux intermédiaires (6, 7, 11, 12) se trouvant sous les rouleaux intermédiaires supérieurs (5, 10) sont montés sur des leviers (27), qui pivotent autour d'axes de pivotement fixes dans la cage.
  4. Calandre selon les revendications 1 à 3, caractérisée en ce que deux piles de rouleaux identiques (2, 3) sont disposées l'une derrière l'autre dans le sens de défilement de la bande (24), de telle façon que le rouleau intermédiaire supérieur (5) de la première pile de rouleaux (2) vienne en contact avec une première face de la bande et que le rouleau intermédiaire supérieur (10) de la seconde pile de rouleaux (3) vienne en contact avec l'autre face de la bande.
EP99111772A 1998-07-16 1999-06-18 Calandre pour bandes de papier ou analogue Expired - Lifetime EP0972878B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19832067 1998-07-16
DE19832067A DE19832067B4 (de) 1998-07-16 1998-07-16 Kalander für Bahnen aus Papier oder ähnlichem Material

Publications (3)

Publication Number Publication Date
EP0972878A2 EP0972878A2 (fr) 2000-01-19
EP0972878A3 EP0972878A3 (fr) 2000-05-17
EP0972878B1 true EP0972878B1 (fr) 2003-08-27

Family

ID=7874336

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99111772A Expired - Lifetime EP0972878B1 (fr) 1998-07-16 1999-06-18 Calandre pour bandes de papier ou analogue

Country Status (5)

Country Link
US (1) US6305280B1 (fr)
EP (1) EP0972878B1 (fr)
AT (1) ATE248251T1 (fr)
CA (1) CA2277426C (fr)
DE (2) DE19832067B4 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6861397B2 (en) * 1999-06-23 2005-03-01 The Dial Corporation Compositions having enhanced deposition of a topically active compound on a surface
JP2003508641A (ja) * 1999-08-27 2003-03-04 メトソ ペーパ インコーポレイテッド シューロール
DE19945780C1 (de) * 1999-09-24 2001-01-18 Voith Paper Patent Gmbh Kalander
DE10006299B4 (de) * 2000-02-12 2005-10-27 Voith Paper Patent Gmbh Verfahren zum Betreiben einer Kalanderwalze und Kalanderwalze
DE10133891C1 (de) * 2001-07-12 2002-11-28 Voith Paper Patent Gmbh Kalander und Verfahren zum Anordnen von Walzen in einem Walzenstapel eines Kalanders
DE10133888C1 (de) * 2001-07-12 2002-11-28 Voith Paper Patent Gmbh Verfahren zum Betreiben eines Kalanders und Kalander
DE10133890C1 (de) * 2001-07-12 2002-12-05 Voith Paper Patent Gmbh Verfahren zum Betreiben eines Kalanders
FI116855B (fi) * 2002-06-06 2006-03-15 Metso Paper Inc Järjestely telanippien sulkemiseksi
US10947668B2 (en) 2018-02-26 2021-03-16 David Pauwels Methods for preparing cannabis hurd fiber, purified cannabis hurd fiber, and articles containing the purified cannabis hurd fiber
CN115305679B (zh) * 2022-07-29 2023-03-10 浙江灏宇科技有限公司 轧光机

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE29504034U1 (de) * 1995-03-09 1995-05-04 Voith Sulzer Finishing GmbH, 47803 Krefeld Kalander für die zweiseitige Behandlung einer Papierbahn
DE19511145C2 (de) * 1995-03-27 2000-07-13 Voith Sulzer Finishing Gmbh Kalander für die zweiseitige Papierbehandlung
DE19521402C2 (de) * 1995-06-13 2002-02-07 Voith Paper Gmbh Kalander für die Behandlung einer Papierbahn
DE19631056C2 (de) * 1996-08-01 2000-08-17 Voith Sulzer Finishing Gmbh Kalander
DE29613380U1 (de) * 1996-08-02 1996-09-19 Niro-Plan Ag, Zug Rahmen eines Bauteils aus Metallblech
DE19633671C2 (de) 1996-08-21 1999-03-11 Voith Sulzer Finishing Gmbh Kalander

Also Published As

Publication number Publication date
CA2277426C (fr) 2004-02-03
US6305280B1 (en) 2001-10-23
ATE248251T1 (de) 2003-09-15
DE19832067B4 (de) 2005-04-21
CA2277426A1 (fr) 2000-01-16
DE19832067A1 (de) 2000-01-20
EP0972878A3 (fr) 2000-05-17
DE59906746D1 (de) 2003-10-02
EP0972878A2 (fr) 2000-01-19

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