EP1026316B1 - Calandre pour des matériaux en bande comme le papier - Google Patents

Calandre pour des matériaux en bande comme le papier Download PDF

Info

Publication number
EP1026316B1
EP1026316B1 EP00100896A EP00100896A EP1026316B1 EP 1026316 B1 EP1026316 B1 EP 1026316B1 EP 00100896 A EP00100896 A EP 00100896A EP 00100896 A EP00100896 A EP 00100896A EP 1026316 B1 EP1026316 B1 EP 1026316B1
Authority
EP
European Patent Office
Prior art keywords
roll
calender according
roller
levers
stand
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
EP00100896A
Other languages
German (de)
English (en)
Other versions
EP1026316A2 (fr
EP1026316A3 (fr
Inventor
Gottfried Hendrix
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 EP1026316A2 publication Critical patent/EP1026316A2/fr
Publication of EP1026316A3 publication Critical patent/EP1026316A3/fr
Application granted granted Critical
Publication of EP1026316B1 publication Critical patent/EP1026316B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • D21G1/002—Opening or closing mechanisms; Regulating the pressure

Definitions

  • the invention relates to a calender for sheet-like materials, such as paper, with a stand and a roll stack which has a lower roll, an upper roll and at least one intermediate roll arranged in between.
  • Such a calender is known from DE 30 04 913 C2.
  • the rollers are arranged in a vertical stack.
  • the top and bottom rollers are bending adjustment rollers with jacket lift.
  • the lower roller is supported on a hydraulic cylinder which, together with the jacket stroke of the lower roller, gives a sufficiently large lowering path for separating the rollers from one another.
  • the stops of the individual rollers come to rest one after the other on adjusting nuts of hanging spindles, which means that the individual roller nips are separated from one another one after the other and after having traveled a correspondingly large distance.
  • the invention has for its object to provide a calender of the type described in the introduction, in which the separation of the rolls can take place particularly quickly.
  • At least one central roller can be displaced relative to the adjacent roller in a transverse direction approximately perpendicular to the stack plane for the purpose of roller separation.
  • the bottom roller can be lowered in the stacking plane for the purpose of roller separation and that the bottom middle roller can be displaced transversely. Because of this lowering, the center roller can carry out its transverse movement even more quickly.
  • Another advantage is that the lowering movement of the lower roller can be kept very low, which can significantly reduce the size.
  • the lower roller is formed by a bending adjustment roller with a jacket stroke and the lowering path is limited to the jacket stroke.
  • only the support elements arranged along the bending adjustment roller now need to be pressurized, for which much lower pressures are sufficient.
  • the large cross-sections of the pipelines required for a rapid lowering movement can also be omitted.
  • the stacking plane is inclined to the horizontal and that the at least one transversely displaceable center roll can be moved obliquely downwards out of the stacking plane. Due to the inclined inclination of the stacking level, both the lower roll to be lowered and the at least one cross-displaceable center roll are loaded by a force component in the desired direction of movement, so that the opening of the nips is carried out even more quickly.
  • the at least one cross-displaceable center roll can be displaced by hydraulic cylinders.
  • the transverse movement can be controlled in a simple manner with such hydraulic cylinders, which have no high demands with regard to size and pressure load.
  • the bearings of the at least one transversely displaceable central roller are carried by levers which can be pivoted about pivot axes on the stand and that the bearings relative to the levers or the levers relative to the pivot axes or the pivot axes relative to the stand by the Hydraulic cylinders are adjustable.
  • the bearings relative to the levers or the levers relative to the pivot axes or the pivot axes relative to the stand by the Hydraulic cylinders are adjustable.
  • At least one cross-displaceable middle roller is expediently a hard roller.
  • the soft rollers which have to be changed frequently during operation, then remain easily accessible from the free side of the stack.
  • top roller is formed by a bending adjustment roller with a jacket stroke and a stand-fixed support. For a given number of rolls in the stack, this results in the lowest overall height.
  • top middle roller is mounted on a stand.
  • the top roller can then be separated from the roller underneath by lifting simultaneously with the lowering or transverse movement of the other rollers.
  • At least one center roller is carried by levers which are pivotable about pivot axes on the stand and that Levers are assigned stops that stop the lowering movement of the center roller.
  • the opening width of the nip is therefore determined by the swivel paths of the levers and - in the case of the cross-shiftable center rollers - by the cross-shift.
  • bottom middle roller is transversely displaceable and that the bottom roller is also transversely displaceable to form a single working nip with roller nips that are otherwise open.
  • the same calender can therefore be used for calendering (using all roller nips) and matting (using only the lowest gap).
  • the calender illustrated in FIG. 1 has a stand 1 which is supported on a base 2 and a raised platform 3.
  • a roll stack 4 has eight rolls 5 to 12, the center lines of which lie in a stack plane 13 which extends at an angle of approximately 45 ° to the horizontal.
  • the upper roller 5 is a bending adjustment roller with a support 14 held in a rotationally fixed manner on the stand 1, on which a roller jacket with a limited stroke is supported via hydraulic support elements.
  • the top middle roller 6 is a hard roller. Your bearing 15 is fixedly mounted on the stand 1.
  • middle rollers 7 and 8 are soft rollers and are attached with their bearings 16 and 17 to levers 18 and 19, respectively, which can pivot about pivot axes 20 and 21 on the stand 1.
  • the center roller 9 is a hard roller, the bearing 22 of which is supported by a lever 23 which can be pivoted about a pivot axis 24.
  • the center roll 10 is a soft roll, the bearings 25 of which are supported by levers 26 which are pivotable about pivot axes 27.
  • the lowest center roll 11 is a hard roll, the bearings 28 of which are supported by levers 29 which are pivotable about a pivot axis 30.
  • the lower roller 12 is again a bending adjustment roller with a jacket with a limited stroke.
  • the jacket is supported on a support 31 held in a rotationally fixed manner via hydraulic support elements.
  • the structure of such bending adjustment rollers results from DE 30 04 913 C2.
  • the center rollers 7, 9 and 11 can be moved out transversely to the stack plane 13.
  • the levers 18, 23 and 29 are each adjustable by means of a hydraulic motor 32, 33 and 34 relative to the pivot axis 20, 24 and 30 on guides not shown.
  • the lower roller 12 is also adjustable transversely to the stacking plane 13, for which purpose a hydraulic motor 49 is provided between the carrier 31 and the stand 1.
  • the uppermost nip is loaded by the support elements acting on the jacket of the top roller 5. All other nips are loaded by the support elements acting on the jacket of the lower roller 12.
  • Stops 36 to 40 are assigned to the individual levers of the center rollers and determine their end position. So the bottom nip 41 is determined by the stroke of the jacket of the lower roller 12, the stop 40 and the path in the direction of arrow D. The size of the nip 42 depends on the stops 39 and 40 and the path in the direction of the arrow D. The size of the nip 43 results from the position of the stops 38 and 39 and from the size of the path in the direction of the arrow C. The nip 44 results from the position of the stops 37 and 38 and the latter path. The nip 45 is determined by the stops 36 and 37 and the path in the direction of arrow B. The nip 46 results from the position of the stop 36 with respect to the fixed center roller 6.
  • nip 47 results from the stroke in the direction of arrow E, which the jacket of the top roller 5 performs. All opening movements can largely take place simultaneously.
  • FIG. 3 differs from FIG. 2 only in that the carrier 31 of the lower roller 12 is displaced approximately perpendicular to the stack plane 13 by means of the hydraulic cylinder 38. Now the nip 41 is closed, thus forming a working nip, while all the other nips 42 to 47 are open. You can therefore do a matt treatment instead of satin.
  • the bearing block carrying the bearing 122 is guided on the lever 123 via a pivot bearing 148.
  • 4 shows the extended position for normal operation
  • FIG. 5 the folded position for roller separation operation, in which the bearing axis has a smaller distance from the pivot axis 124 than in the extended state.
  • the weight of the roller acts in such a way that it drops rapidly.
  • stops 138 ensure that there is a defined end position.
  • the top middle roller 6 can be like the other middle rollers a lever can be mounted if one of the end rollers 5 or 12 moves the roller shell up to a stop and the nip load is adjusted with the aid of the shell of the other end roller.
  • the hard rollers 6, 9 and 11 are preferably heated.
  • the middle rollers 7, 8 and 10 can carry an elastic cover, but also the top and bottom rollers 5 and 12.

Landscapes

  • Paper (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Unwinding Webs (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Claims (12)

  1. Calandre pour des matériaux en forme de bande, comme du papier, comprenant un montant et un empilement de cylindres, qui présente un cylindre inférieur, un cylindre supérieur et au moins un cylindre intermédiaire disposé entre ceux-ci, caractérisée en ce qu'au moins un cylindre intermédiaire (7, 9, 11 ; 109) peut être décalé, en vue de séparer les cylindres, par rapport au cylindre voisin dans une direction transversale s'étendant approximativement perpendiculairement au plan de l'empilement (13).
  2. Calandre selon la revendication 1, caractérisée en ce que le cylindre inférieur (12), en vue de séparer les cylindres, peut être abaissé dans le plan de l'empilement (13) et le cylindre intermédiaire le plus inférieur (11) peut être décalé transversalement.
  3. Calandre selon la revendication 1 ou 2, caractérisée en ce que le cylindre inférieur (12) est formé par un cylindre d'ajustement de flexion avec une course d'enveloppe et la distance d'abaissement est limitée à la course d'enveloppe.
  4. Calandre selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le plan de l'empilement (13) est incliné par rapport à l'horizontale et l'au moins un cylindre intermédiaire pouvant être décalé transversalement (7, 9, 11) peut être déplacé en biais vers le bas depuis le plan de l'empilement (13).
  5. Calandre selon l'une quelconque des revendications 1 à 4, caractérisée en ce que l'au moins un cylindre intermédiaire pouvant être décalé transversalement (7, 9, 11 ; 109) peut être décalé par un vérin hydraulique (32, 33, 34 ; 133).
  6. Calandre selon la revendication 5, caractérisée en ce que les paliers (16, 22, 28 ; 122) de l'au moins un cylindre intermédiaire pouvant être décalé transversalement (7, 9, 11 ; 109) sont portés par des leviers (18, 23, 29 ; 123) qui peuvent pivoter autour d'axes de pivotement (20, 24, 30) sur le montant (1) et en ce que les paliers (122) peuvent être déplacés par rapport aux leviers (123) ou les leviers (18, 23, 29) peuvent être déplacés par rapport aux axes de pivotement (20, 24, 30), ou les axes de pivotement peuvent être déplacés par rapport au montant par les vérins hydrauliques (32, 33, 34).
  7. Calandre selon la revendication 6, caractérisée en ce que les paliers (122) sont guidés au moyen d'une articulation pivotante (148) sur les leviers (123).
  8. Calandre selon l'une quelconque des revendications 1 à 7, caractérisée en ce qu'au moins un cylindre intermédiaire pouvant être décalé transversalement (9, 11) est un cylindre dur.
  9. Calandre selon l'une quelconque des revendications 1 à 8, caractérisée en ce que le cylindre supérieur (5) est formé par un cylindre d'ajustement de flexion avec une course d'enveloppe et un support (14) fixé au montant.
  10. Calandre selon la revendication 9, caractérisée en ce que le cylindre intermédiaire le plus supérieur (9) est monté de manière fixée au montant.
  11. Calandre selon l'une quelconque des revendications 1 à 10, caractérisée en ce qu'au moins un cylindre intermédiaire (7 à 11) est porté par des leviers (18, 19, 23, 26, 29) qui peuvent pivoter autour d'axes de pivotement (20, 21, 24, 27, 29) sur le montant (1) et en ce que des butées (36 à 40) sont associées aux leviers, lesquelles arrêtent le mouvement d'abaissement du cylindre intermédiaire (7 à 11).
  12. Calandre selon l'une quelconque des revendications 1 à 11, caractérisée en ce que le cylindre intermédiaire le plus inférieur (11) peut être décalé transversalement et en ce que le cylindre inférieur (12) peut également être décalé transversalement, afin de former une ligne de contact de travail unique (41) lorsque les lignes de contact (42 à 47) des cylindres sont par ailleurs ouvertes.
EP00100896A 1999-02-04 2000-01-18 Calandre pour des matériaux en bande comme le papier Expired - Lifetime EP1026316B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19904451 1999-02-04
DE19904451A DE19904451B4 (de) 1999-02-04 1999-02-04 Kalander für bahnförmige Materialien wie Papier

Publications (3)

Publication Number Publication Date
EP1026316A2 EP1026316A2 (fr) 2000-08-09
EP1026316A3 EP1026316A3 (fr) 2001-08-16
EP1026316B1 true EP1026316B1 (fr) 2004-03-31

Family

ID=7896381

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00100896A Expired - Lifetime EP1026316B1 (fr) 1999-02-04 2000-01-18 Calandre pour des matériaux en bande comme le papier

Country Status (2)

Country Link
EP (1) EP1026316B1 (fr)
DE (2) DE19904451B4 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005016781B3 (de) * 2005-04-12 2006-03-30 Eduard Küsters Maschinenfabrik GmbH & Co. KG Kalander

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10041651A1 (de) * 2000-08-24 2002-03-14 Voith Paper Patent Gmbh Kalander
DE10052187B4 (de) * 2000-10-20 2013-12-24 Voith Patent Gmbh Verfahren zum Glätten einer Materialbahn sowie Kalander zur Durchführung des Verfahrens
DE10102094C1 (de) * 2001-01-18 2002-03-07 Voith Paper Patent Gmbh Verfahren zum Betreiben eines Kalanders und Kalander
DE10129102B4 (de) * 2001-06-16 2005-12-15 Voith Paper Patent Gmbh Kalander
FI20030377A0 (fi) * 2003-03-13 2003-03-13 Metso Paper Inc Menetelmä kalanteroinnissa ja kalanteri
DE102004037237A1 (de) * 2004-07-31 2006-02-16 Voith Paper Patent Gmbh Kalander
FI119068B (fi) * 2004-11-12 2008-07-15 Metso Paper Inc Menetelmä kalanterissa ja monitelakalanteri sekä menetelmä monitelakalanterin kalanteritelan laakerin kuormittamiseksi ja monitelakalanteri
DE102006031023A1 (de) 2006-07-05 2008-01-10 Voith Patent Gmbh Kalander

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL207934A (fr) * 1955-06-28
US3154008A (en) * 1963-02-09 1964-10-27 Dominion Eng Works Ltd Calender stack
US3331313A (en) * 1965-09-24 1967-07-18 Black Clawson Co Calender stacks having transverse pressure sensing and adjustment means
DE2752034C2 (de) * 1977-11-22 1984-03-08 Kleinewefers Gmbh, 4150 Krefeld Vorrichtung zur Druckbehandlung einer Materialbahn in einem Kalander oder einem Glättwerk
DE3004913C2 (de) * 1980-02-09 1982-07-15 Kleinewefers Gmbh, 4150 Krefeld Kalander
FI87590C (fi) * 1990-10-11 1998-02-17 Valmet Corp Kalander i pappers- eller kartongmaskin

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005016781B3 (de) * 2005-04-12 2006-03-30 Eduard Küsters Maschinenfabrik GmbH & Co. KG Kalander

Also Published As

Publication number Publication date
DE19904451A1 (de) 2000-08-17
EP1026316A2 (fr) 2000-08-09
DE19904451B4 (de) 2005-06-30
EP1026316A3 (fr) 2001-08-16
DE50005835D1 (de) 2004-05-06

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