EP1162308B1 - Kalander - Google Patents
Kalander Download PDFInfo
- Publication number
- EP1162308B1 EP1162308B1 EP01113894A EP01113894A EP1162308B1 EP 1162308 B1 EP1162308 B1 EP 1162308B1 EP 01113894 A EP01113894 A EP 01113894A EP 01113894 A EP01113894 A EP 01113894A EP 1162308 B1 EP1162308 B1 EP 1162308B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- calender
- force
- roller
- roll
- 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
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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
- D21G1/002—Opening or closing mechanisms; Regulating the pressure
Definitions
- the invention relates to a calender for the treatment of a web, in particular a paper web, according to the preamble of claim 1.
- Super calenders have been used to smooth paper webs for decades, in which so-called soft or elastic rollers are used, each with form a soft nip on a hard roller.
- soft or elastic rollers were in the Supercalender first used paper or cotton rollers.
- cotton rollers was disadvantageous thereby the high marking sensitivity of the surfaces of such elastic Rollers.
- the bearings of the roll journals of the intermediate rolls of a calender were included their bearing housings attached to slide guides of a calender stand. From the AT-PS 232840 is such a calender for paper or the like. Web-like material known with a series of inclined rollers arranged one above the other, in which all rollers are stored in a common machine frame. On the Machine frames can have brackets for the bearings of two rows of calender rolls slide on a common lower roller with a larger diameter support. On the top roller of each roller row is over push rods, which are connected to the brackets of these rollers by hydraulic or pneumatic cylinders set an adjustable pressure.
- the object of the invention is therefore to provide a calender according to the preamble of Claim 1 to create, regardless of whether the rolls of a roll stack are arranged in a vertical, horizontal or inclined roll stack plane, is vibration-resistant and good smoothing results even at high working speeds supplies.
- a calender for treating a web in particular one Paper web, created the setting of the compressive stress in the nips structurally simplified.
- An intensive treatment of a web by feeding the required energy is possible in all operating conditions, i.e. that the pressure stress and temperature level in the individual nips according to demand is adjustable accordingly.
- the wear of the roller system, especially the elastic rollers significantly reduced and the calender thereby maintenance.
- the two-sided force arms according to the invention preferably attack in Center of gravity of the forces on the bearing, so that no tilting moments on the linear guide arise.
- connection modules are structurally simple and the roller positions define exactly and fix modular.
- the straight-line movements or linear movements of the guide carriage carrying at least the intermediate rolls with path lengths minimized due to the lower number of rollers result in a low-friction, exact guidance of the rollers in the nip planes.
- Fig. 1 shows a calender for the treatment of a web 1, in particular a paper web, with at least one roll stack 2 of several in one Roll stack level arranged rolls 3, 4, 5, 6, each of which two adjacent rollers 3, 4 and 4, 5 and 5, 6 form a nip 7, 8, 9, which the Material web 1 passes through in a direction D.
- the rollers 3, 4, 5, 6 of one Roll stack 2 are inclined to an installation plane H of the calender arranged.
- the rollers can also be stacked vertically or horizontally be arranged side by side.
- the calender preferably comprises a second roll stack 10 arranged from a plurality in a roll stack plane Rollers 11, 12, 13, which in turn form nips 14, 15, from the web 1 be passed in the direction of flow D.
- the rollers 11, 12, 13 of the second Roll stack 10 are arranged horizontally next to one another here. Alternatively, you can but also here the rollers vertically one above the other or inclined to the installation level H of the calender.
- the angle of the roll stack plane to the installation plane H of the calender can be selected in Depending on the number of rolls in a roll stack, the number of rolls to be driven Calendering speeds, the roller loads in the nips, the Requirements for the nip geometry as well as the available ones Spaces.
- the roller stacks 2, 10 preferably comprise hard ones to form soft nips and soft rollers. It is further preferred that the respective outer rollers 3, 6 and 11, 13 of the two roll stacks 2, 10 are bending adjustment rolls.
- the calender shown in Fig. 1 comprises a roll stack 2, the upper one External roller 3 as a hard and preferably heated roller and as a bending adjustment roller is trained.
- This hard roller 3 forms a soft nip 7 with a soft one Intermediate roller 4, which has a second soft nip 8 with a hard intermediate roller 5 forms.
- the hard intermediate roller 5 forms a second soft nip 9 with a lower one soft outer roller 6, which in turn is designed as a bending adjustment roller.
- All Rollers 3, 4, 5, 6 are preferably equipped with their own power drives, the drive lines are controlled such that the respective adjacent Driving torque transmitted to the rollers can be kept to a minimum. The genesis of shear stresses acting on the web due to This minimizes torque transmission through the rollers.
- the second roll stack 10 comprises two soft outer rolls 11, 13, each form a soft nip 14, 15 with a hard intermediate roller 12. Also here are the Rollers 11, 12, 13 are preferably equipped with their own power drives.
- the basic load of the roll stack or rolls 2, 10 of a calender is carried out by End ago.
- at 1 are those at the ends of the roll stacks 2, 10 provided outer rollers as bending adjustment rollers 3, 6 and 11, 13.
- the Basic load forces can be completely or partially by the so-called self-loading bending adjustment rollers 3, 6 and 11, 13 with an inner stroke are provided, for which purpose the bending adjustment rollers are held fixed to the frame during operation or by means of reciprocating pistons 60, 61, 62 fixed to the frame against the roller stack 2, 10 are pushable.
- the rollers 3 to 6 and 11 to 13 of the roller stack 2, 10 have Roller axis ends 29 (see. Fig. 3 to 5), each on both sides via a connection module 18, 19 are attached to a calender stand 16, 17, for which purpose Calender stand 16, 17 carrier modules 20 which for receiving and Attachment of the connection modules 18, 19 are used.
- the carrier modules 20 are preferably rigidly attached to the calender stand 16, 17, with this one Form unit. Then each supports itself via the connection modules 18, 19 Roll 3, 4, 5, 6, 11, 12, 13 with their roll axis ends 29 (see FIGS. 3 to 5) the calender stand 16, 17.
- connection modules 18, 19 can be moved linearly on the carrier modules 20 Calender stand 16, 17 out.
- the carrier modules 20 can be prismatic Linear guides (see Fig. 3) or rolling element bearing linear guides (see Fig. 4 and 5) be formed.
- the in a connection module 18, 19 arranged rollers 3, 4, 5, 6, 11, 12, 13 worn and can be moved towards each other to open and / or close a calender close and to apply basic loads, at least one Outer roller is fixed to the calender stand, so against a fixed one Roller of the roller stack for setting a line load characteristic is resilient.
- connection modules 18, 19 each freely movable on the calender stand 16, 17 be and thereby with their own weights and those associated with them overhanging loads. This increases the compressive stress in the nips from top down.
- the device 22 for applying force is formed by one on the calender stand 16, 17 supporting force transducer, which has a fixed bearing 31 is attached to the calender stand 16, 17.
- the force transmitter is used to transmit a Lifting force on each of an intermediate roller 4, 5, 12 carrying and leading Connection modules 19, whereby a selectable line load setting Linear movement of the connection modules 19 relative to the respective carrier module 20 is adjustable.
- the force transmitter can be double-acting, so that through the device 22 for applying force, the linear movement on both sides is executable.
- the Device 22 for introducing force as a force transmitter a two-sided force arm 23, the between two power arm ends 24, 25 via a fixed axle bearing 31 on the Calender stand 16 is rotatably mounted.
- the one arm 24 engages Power arm 23 on a connection module 19, while on the other Force arm end 25 acts on a lifting cylinder 26, the lifting force of which acts on the force arm 23 the connection module 19 is transferable.
- the forced management of the Connection module 19 on the calender stand 16 is transmitted from the power arm 23 Lifting power converted into a linear movement.
- each side of the Calender stand 16 for each roll axis end of an intermediate roll Device 22 for force introduction is provided which has a jointly acting Device 22 for applying force, however, each side individually can be adjustable to act on each roller axis end a certain force allow.
- the lifting cylinder 26 is preferably a double-acting lifting cylinder trained, which is supported on the calender stand 16 and pivotable on the Power arm 25 is articulated.
- the force arm end 24, which on the connection module 19th attacks, is preferably formed with a guide track 27 in which one of the Connection module 19 extending guide cam 28 is guided to a Implementation of a triggered by the lifting cylinder 26 at the power arm 23 To allow rotary motion in a straight motion.
- the guideway can, for example, from a mouth-like opening of the end of the lever arm 24 be formed.
- roller axis ends of a roller 4, 5, 12 are Correspondingly storable in connection modules 19, on which devices 22 for Apply force as described above.
- the devices 22 for Force application can be controlled individually and via one for the calender provided overall control of the devices 22 for introducing a force Roll stack adjustable.
- the force transmitter can be used comprise a power arm mounted on the calender stand, which is a linear has displaceable power arm end, for direct transmission of the lifting power transmitted by a lifting cylinder.
- connection module 19 comprises a connection body 21, with which the connection module 19 sits linearly on the carrier module 20, for what a prismatic guide is provided here.
- the roller 4 is with her Roller axis end 29 stored in a bearing housing 30 which on the Connection body 21 is attached or formed with this, the power arms 23rd engage on both sides of the connector body 21.
- the connector body 21 can be a separable from the connector body 21 Have carriage 42, which is linearly seated on the carrier module 20.
- the carrier module 20 itself has a guide part 41, which is the prismatic Leadership forms. Then you can quickly release a roller from the calender stand if necessary, a separation between connector body 21 and carriage 42 respectively.
- connection modules 18 of the outer rollers 3, 6 and 11, 13 can be according to the Connection modules 19 may be equipped with devices 22 for the introduction of force.
- the connection modules 18 are brackets which are attached to the Calender stands 16, 17 can be individually fixed, for which purpose corresponding to these Locking devices can be provided.
- FIG. 4 shows a view corresponding to FIG. 3 of a calender according to a second embodiment, in which the connection modules 19 at least the Intermediate rollers 4, 5, 12 have a rolling element bearing linear guide with the calender stand 16, 17 form.
- a carrier module 20 is attached to the calender stand 16, the one Guide body forms for receiving a guide part 41, which here from a Number of rolling elements, in particular balls, is formed, the one or more rows can be arranged.
- the one that is movably carried on the carrier module 20 Connection module 19 in turn comprises a connection body 43, which here is one Guide carriage 42, which acts as a running body on the carrier module 40 is guided.
- the bearing housing 30 is fastened to the connecting body 43, which receives a roller axis end 29.
- the device 22 for applying force acts on the connector body 43 and the carriage 42 on the Roller axis ends 29.
- connection module 19 comprises a guide carriage 42 which is attached to one Carrier module 20 forming a linear guide is arranged so that it can be moved linearly and thus can perform a smooth movement relative to the calender stand 16.
- the power arm 24 of the device 22 for applying force engages the connection module 19 on. Otherwise, the explanations for the first embodiment apply accordingly.
- the third exemplary embodiment of a calender shown in FIG. 5 differs from the second embodiment shown in Fig. 4 in that the Power arm end 24 of the power arm 23 directly on the roller axis end 29, which here preferably not rotated, attacks. Otherwise, the comments on the first apply and second embodiment accordingly.
- Fig. 7 shows a further embodiment of a calender, in which the 5 is combined with a pushing device 44 which attacks on the roller axis end 29 of an intermediate roller 4 and when releasing the Bearing housing 30 from the calender stand 16, the intermediate roller 4 in a Expansion position brings.
- This pushing device 44 is formed, for example, by one acting on the roller axis end 29 and guided on the connecting body 43
- Carrier 45 which is movable in the direction away from the calender stand 16, including a Storage in a sliding bush 46 can be provided.
- the carrier 45 is for this releasably attached to the connector body 43.
Landscapes
- Paper (AREA)
- Lubricants (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Description
Claims (19)
- Kalander für die Behandlung einer Warenbahn (1), insbesondere einer Papierbahn, mit mindestens einem vom Ende belastbaren Walzenstapel (2) aus mehreren in einer Walzenstapelebene angeordneten Walzen (3-6), von denen jeweils zwei benachbarte Walzen einen Nip (7-9) bilden und die Walzen beidseitig mit Walzenachsenenden (29) an einem Kalanderständer (16,17) verfahrbar geführt sind, wozu an dem Kalanderständer (16,17) geradgeführte, die Walzenachsenenden (29) lagernd aufnehmende Halterungen (18,19) befestigbar sind, dadurch gekennzeichnet, daß mindestens die Halterungen der Zwischenwalzen (4, 5, 12) als Anschlußmodule (19) mit jeweils einem Anschlußkörper (21, 43) ausgebildet sind, der an einem am Kalanderständer (16, 17) befestigten Trägermodul (20) verfahrbar geführt ist und eine Vorrichtung (22) zur Krafteinleitung in Form eines an dem Kalanderständer (16, 17) gelagerten Kraftgebers vorgesehen ist, die von einem zweiseitigen, um eine Lagerung (31) schwenkbaren Kraftarm (23) gebildet wird, dessen mindestens eines Kraftarmende (24) auf jeweils ein Walzenachsenende (29) wirkt, während auf das andere Kraftarmende (25) eine Hubvorrichtung wirkt, und der Kraftarm (23) eine einstellbare Hubkraft auf das jeweilige Walzenachsenende (29) überträgt, die durch eine Zwangsführung der Zwischenwalzen (4, 5, 12) am Kalanderständer (16, 17) in eine Linearbewegung überführbar ist.
- Kalander nach Anspruch 1, dadurch gekennzeichnet, daß das Kraftarmende (24) an dem Anschlußkörper (21, 43) angreift.
- Kalander nach Anspruch 1, dadurch gekennzeichnet, daß das Kraftarmende (24) direkt an einem Walzenachsenende (29) angreift.
- Kalander nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Hubvorrichtung (26) von einem Hubzylinder gebildet wird, der schwenkbar angelenkt am Kalanderständer (16, 17) sich gegenüber diesem abstützt.
- Kalander nach Anspruch 4, dadurch gekennzeichnet, daß der Hubzylinder doppelseitigwirkend ausgebildet ist.
- Kalander nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Kraftgeber aus einem Paar zweiseitiger Kraftarme (23) besteht, die an gegenüberliegenden Seiten des Kalanderständers (16, 17) drehbar gelagert sind und beidseitig einer Walze (4, 5, 12) mit dem jeweils einen Kraftarmende (24) an den beiden Walzenachsenenden (29) angreifen.
- Kalander nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Vorrichtung (22) zur Krafteinleitung über die die Walzenachsenenden (29) lagernd aufnehmenden Anschlußmodule (19) jeweils an den Walzenachsenenden (29) angreift.
- Kalander nach Anspruch 6 oder 7, dadurch gekennzeichnet, daß die Trägermodule (20) jeweils eine prismatische Führung aufweisen, an der das Anschlußmodul (19) linear verfahrbar ist.
- Kalander nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß Anschlußmodule (19) einen verfahrbar an dem Trägermodul (20) geführten Führungswagen (42) aufweisen, der ein Lagergehäuse (30) zur Aufnahme eines Walzenachsenendes (29) trägt und an dem die Vorrichtung (22) zur Krafteinleitung auf die Walzenachsenenden (29) angreift.
- Kalander nach Anspruch 9, dadurch gekennzeichnet, daß der Führungswagen (42) über ein Wälzlager an dem Trägermodul (20) angreift.
- Kalander nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß das Kraftarmende (24) eine Führungsbahn (27) aufweist, in der ein von dem Anschlußmodul (19) sich erstreckender Führungsnocken (28) geführt ist.
- Kalander nach einem der Ansprüche 9 bis 11, dadurch gekennzeichnet, daß der Anschlußkörper (21, 43) eine lösbare Aufnahme für das Lagergehäuse (30) eines Walzenachsenendes (29) bildet.
- Kalander nach Anspruch 12, dadurch gekennzeichnet, daß an der Aufnahme eine Schubvorrichtung (44) zum Tragen einer von dem Anschlußmodul (19) lösbaren Walze (4, 5, 12) angreift.
- Kalander nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß die Vorrichtungen (22) zur Krafteinleitung an gegenüberliegenden Walzenachsenenden (29) einer Walze (4) unabhängig voneinander einstellbar sind.
- Kalander nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß die einzelnen Vorrichtungen (22) zur Krafteinleitung eines Walzenstapels (2) verschiedener Zwischenwalzen (4, 5, 12) individuell einstellbar sind zur Einstellung wählbarer Druckspannungskennlinien in einem Walzenstapel (2).
- Kalander nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, daß die Walzen eines Walzenstapels (2, 10) als weiche (4, 6, 11, 13) und harte (3, 5, 12) Walzen ausbildbar sind.
- Kalander nach einem der Ansprüche 1 bis 16, dadurch gekennzeichnet, daß die Walzen eines Walzenstapels (2, 10) jeweils mit einem eigenen Leistungsantrieb ausgestattet sind.
- Kalander nach einem der Ansprüche 1 bis 17, dadurch gekennzeichnet, daß die Außenwalzen eines Walzenstapels (2, 10) als Biegeeinstellwalzen ausgebildet sind.
- Kalander nach einem der Ansprüche 1 bis 18, dadurch gekennzeichnet, daß die Walzenstapelebene vertikal, horizontal oder geneigt zu einer Aufstellebene (H) des Kalanders ausgerichtet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10028179 | 2000-06-09 | ||
DE10028179A DE10028179A1 (de) | 2000-06-09 | 2000-06-09 | Kalander |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1162308A1 EP1162308A1 (de) | 2001-12-12 |
EP1162308B1 true EP1162308B1 (de) | 2004-04-14 |
Family
ID=7644987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01113894A Expired - Lifetime EP1162308B1 (de) | 2000-06-09 | 2001-06-08 | Kalander |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1162308B1 (de) |
AT (1) | ATE264426T1 (de) |
DE (2) | DE10028179A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10129102B4 (de) | 2001-06-16 | 2005-12-15 | Voith Paper Patent Gmbh | Kalander |
CN112376203A (zh) * | 2020-12-28 | 2021-02-19 | 吴江市盛泽兴隆轧光厂 | 一种纺织面料双面轧光装置及其使用方法 |
CN112743735B (zh) * | 2020-12-28 | 2022-06-03 | 大连橡胶塑料机械有限公司 | 一种压延机预负荷装置 |
CN117732882B (zh) * | 2024-02-07 | 2024-04-19 | 丽岛新能源(安徽)有限公司 | 一种铝箔压延机轧辊结构 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL135506C (de) * | 1900-01-01 | |||
AT232840B (de) * | 1960-12-09 | 1964-04-10 | Millspaugh Ltd | Kalandriermaschine für Papier od. dgl. bahnenförmiges Material |
DE3713560A1 (de) * | 1987-04-23 | 1988-11-03 | Escher Wyss Gmbh | Kalander mit verschiebbaren lagerteilen |
US5738007A (en) * | 1996-03-12 | 1998-04-14 | Beloit Technologies, Inc. | High nip load calender |
-
2000
- 2000-06-09 DE DE10028179A patent/DE10028179A1/de not_active Withdrawn
-
2001
- 2001-06-08 EP EP01113894A patent/EP1162308B1/de not_active Expired - Lifetime
- 2001-06-08 AT AT01113894T patent/ATE264426T1/de not_active IP Right Cessation
- 2001-06-08 DE DE50101955T patent/DE50101955D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE50101955D1 (de) | 2004-05-19 |
ATE264426T1 (de) | 2004-04-15 |
DE10028179A1 (de) | 2001-12-20 |
EP1162308A1 (de) | 2001-12-12 |
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