EP1114891B1 - Calender - Google Patents
Calender Download PDFInfo
- Publication number
- EP1114891B1 EP1114891B1 EP00127781A EP00127781A EP1114891B1 EP 1114891 B1 EP1114891 B1 EP 1114891B1 EP 00127781 A EP00127781 A EP 00127781A EP 00127781 A EP00127781 A EP 00127781A EP 1114891 B1 EP1114891 B1 EP 1114891B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roll
- roller
- stack
- calender according
- 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
Links
- 238000009434 installation Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
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
- D21G1/02—Rolls; Their bearings
- D21G1/0293—Provisions or constructions to facilitate the removal of the rolls
Definitions
- the invention relates to a calender with a Stand that is inclined in the longitudinal direction to the horizontal runs, and a roll stack, the rolls on the Bottom of the sloping stand are held, as well a transport device having a roller carrier for installing and removing the rollers.
- Such a calender is known from US-A-3 244 090.
- the calender has two roll stacks, each with two Rolling and thus a nip, the top roller is common to both roller stacks.
- the top roller is common to both roller stacks.
- the one on rails parallel to the axial extension of the Rolls can be moved under the lower rolls.
- US-A-3 367 262 shows a calender with a vertical Stack of three rollers.
- the middle roller can with removed together with their bearings from the roll stack and placed on a dolly that is vertical to axially extend the rolls to the stack can be.
- a pulling device is provided, which on the roller bearing middle roller attacks and this roller bearing so holds that the middle roller when removing over the lower roller can roll off.
- the invention has for its object a calender of the type described in the introduction, in which the roll change is simplified.
- roller trolley horizontally in the longitudinal direction up to a position under the lower roller under the roller stack is movable, and the transport device a Roller lift device, each one roller during installation from the roller carrier to the associated stacking position brings and when removing from the associated stacking position on the roller cart.
- rollers are used to change the rollers, after being moved out of the stack are, by means of the roller lift device on the roller trolley lowered.
- the horizontal transport takes place then by moving the roller cart on the floor, whereby there is no fear of the roller swinging.
- the same advantages also apply when installing a Roller.
- roller carrier on rails is movable. This facilitates horizontal transport.
- the roller lift device has a crane. Because the crane ropes essentially take over only a vertical transport exists no risk of commuting.
- the position of the rollers on the stand is expedient fixable with locking devices. This ensures that the transport of the roller to be changed is not disturbed by the other rollers.
- the fixation can be on the stand or on other parts fixed roller.
- Another preferred option is that the locking devices by hydraulic clamping devices are formed.
- the hydraulic tensioners are easy to operate and need no difficult manual operations like loosening the bearing screw.
- the calender shown has a stand 1, which is at an angle of about 45 ° to the horizontal extends and below on a fixed base 2 rests.
- the upper end is over side members 3 with supports 4 connected.
- a roll stack 5 which consists of a lower roller 6, an upper roller 7 and six middle rollers 8 there.
- a web of material 9, in particular a paper web is guided over guide rollers 10 fed, passes through the roll nips of the stack 5, is guided over deflection rollers 11, and leaves the calender via guide rolls 12.
- a roll lifting device 13 is designed as a crane with crane cables 14 and horizontally movable on the side members 3.
- a roller carrier 15 is laid on the ground Rails 16 horizontally movable in the longitudinal direction, such as this is indicated by the double arrow 17.
- a lifting table 18 can be moved on the same rails 16, which has a height-adjustable work platform 19 wearing.
- the lower roller 6 is by a hydraulic tensioning device 20 fixable on stand 1.
- the top roller 7 is by a hydraulic tensioning device 21 on the stand 1 fixable.
- the center rollers 8 are dashed like this is indicated by levers 22 carried around Pivots 23 are pivotable in the stand and with a Stop 24 can cooperate with their location fixed by lowering the rollers.
- the roller carrier 15 is in a position in which the lower roller 6 is removed can.
- the roller is lifted off the crane hook the roller lift device 13 detected and in the Lower position A1 shown in dashed lines lowered. then the roller carrier 15 together with the roller brought into position A2, where the removal to a Service point can take place.
- the roller trolley 15 also has a rest position A3, in which it has a allows free movement of the work platform 19.
- the steps are to install a new roller perform in reverse order. Should one of the rollers located above the lower roller 6 the roller nips in the usual way open.
- the crane hooks of the roller lift device 13 grasp the roller to be changed, lower it slightly depending on what these are on the circumference of the ones below Roll rolls until it is freely lowered down can be.
- Another work platform can be located above the roll stack 5 located along an oblique guide is movable.
- the frame 25 can also be used as a reserve roller frame be used.
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Handcart (AREA)
Description
Die Erfindung bezieht sich auf einen Kalander mit einem Ständer, der in Längsrichtung schräg zur Horizontalen verläuft, und einem Walzenstapel, dessen Walzen an der Unterseite des schrägen Ständers gehalten sind, sowie einer einen Walzentragwagen aufweisenden Transportvorrichtung zum Ein- und Ausbau der Walzen.The invention relates to a calender with a Stand that is inclined in the longitudinal direction to the horizontal runs, and a roll stack, the rolls on the Bottom of the sloping stand are held, as well a transport device having a roller carrier for installing and removing the rollers.
Ein derartiger Kalander ist aus US-A-3 244 090 bekannt. Der Kalander weist zwei Walzenstapel mit jeweils zwei Walzen und damit einem Nip auf, wobei die Oberwalze beiden Walzenstapel gemeinsam ist. Für den Ausbau der jeweiligen Unterwalzen ist ein Transportwagen vorgesehen, der auf Schienen parallel zur Axialerstreckung der Walzen unter die Unterwalzen verfahren werden kann.Such a calender is known from US-A-3 244 090. The calender has two roll stacks, each with two Rolling and thus a nip, the top roller is common to both roller stacks. For the expansion of the a transport carriage is provided for the respective lower rollers, the one on rails parallel to the axial extension of the Rolls can be moved under the lower rolls.
US-A-3 367 262 zeigt einen Kalander mit einem vertikalen Stapel aus drei Walzen. Die mittlere Walze kann mit samt ihren Lagern aus dem Walzenstapel ausgebaut und auf einem Transportwagen abgelegt werden, der senkrecht zur Axialerstreckung der Walzen an den Stapel herangefahren werden kann. Zum Ausbau der mittleren Walze ist eine Zugeinrichtung vorgesehen, die am Walzenlager der mittleren Walze angreift und dieses Walzenlager so hält, daß die mittlere Walze beim Ausbau über die Unterwalze abrollen kann. US-A-3 367 262 shows a calender with a vertical Stack of three rollers. The middle roller can with removed together with their bearings from the roll stack and placed on a dolly that is vertical to axially extend the rolls to the stack can be. To remove the middle roller a pulling device is provided, which on the roller bearing middle roller attacks and this roller bearing so holds that the middle roller when removing over the lower roller can roll off.
Ein weiterer Kalander ist aus US 3 154 008 bekannt. Der Walzenstapel befindet sich auf der Oberseite des schrägen Ständers. Bei einem Walzenwechsel muß die Walze an einen Kran gehängt, etwa senkrecht aus der Stapelebene herausgefahren und dann horizontal verlagert werden, bis sie auf eine freie Stelle neben dem Kalander abgesenkt werden kann. Wegen der Gefahr des Pendelns der Walze muß der Walzentransport sehr vorsichtig und daher langsam erfolgen. Diese Art der Plazierung des Walzenstapels am schrägen Ständer ist bis in die jüngste Zeit beibehalten worden, wie die nicht vorveröffentlichte DE 198 32 066 zeigt. Another calender is known from US 3 154 008. The Roll stack is on the top of the slant Stand. When changing the roller, the roller must be on hung a crane, approximately vertically from the stacking level pulled out and then shifted horizontally, until it is lowered to an empty space next to the calender can be. Because of the risk of commuting the Roll must be very careful and therefore the roll transport done slowly. This way of placing the roll stack is on the sloping stand until recently has been retained, such as the unpublished DE 198 32 066 shows.
Der Erfindung liegt die Aufgabe zugrunde, einen Kalander der eingangs beschriebenen Art anzugeben, bei dem der Walzenwechsel vereinfacht ist.The invention has for its object a calender of the type described in the introduction, in which the roll change is simplified.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der Walzentragwagen horizontal in Längsrichtung bis in eine Position unter der Unterwalze unter dem Walzenstapel verfahrbar ist, und die Transportvorrichtung eine Walzenliftvorrichtung, die jeweils eine Walze beim Einbau vom Walzentragwagen in die zugehörige Stapelposition bringt und beim Ausbau aus der zugehörigen Stapelposition auf den Walzentragwagen ablegt, aufweist.This object is achieved in that the roller trolley horizontally in the longitudinal direction up to a position under the lower roller under the roller stack is movable, and the transport device a Roller lift device, each one roller during installation from the roller carrier to the associated stacking position brings and when removing from the associated stacking position on the roller cart.
Bei dieser Konstruktion werden die Walzen zum Walzenwechsel, nachdem sie aus dem Stapel herausbewegt worden sind, mittels der Walzenliftvorrichtung auf den Walzentragwagen abgesenkt. Der Horizontaltransport erfolgt dann durch Verschieben des Walzentragwagens auf dem Boden, wobei kein Pendeln der Walze zu befürchten ist. Die gleichen Vorteile gelten auch beim Einbau einer Walze.With this construction, the rollers are used to change the rollers, after being moved out of the stack are, by means of the roller lift device on the roller trolley lowered. The horizontal transport takes place then by moving the roller cart on the floor, whereby there is no fear of the roller swinging. The same advantages also apply when installing a Roller.
Günstig ist es, daß der Walzentragwagen auf Schienen verfahrbar ist. Dies erleichtert den Horizontaltransport.It is favorable that the roller carrier on rails is movable. This facilitates horizontal transport.
Des weiteren ist es vorteilhaft, daß die Walzenliftvorrichtung einen Kran aufweist. Da die Kranseile im wesentlichen nur einen Vertikaltransport übernehmen, besteht keine Pendelgefahr. Furthermore, it is advantageous that the roller lift device has a crane. Because the crane ropes essentially take over only a vertical transport exists no risk of commuting.
Bei einer bevorzugten Ausführungsform ist dafür gesorgt, daß die Walzenliftvorrichtung die jeweilige Walze auf der im Walzenstapel darunter befindlichen Walze über eine begrenzte Strecke abrollen läßt. Die zu wechselnde Walze ist daher auch geführt, während sie aus dem Walzenstapel herausbewegt wird.In a preferred embodiment, it is ensured that that the roller lift device the respective roller on the roller underneath in the roller stack can roll over a limited distance. The one to be changed The roller is therefore also guided while it is out is moved out of the roll stack.
Zweckmäßigerweise ist die Lage der Walzen am Ständer durch Arretiereinrichtungen fixierbar. Damit ist sichergestellt, daß der Transport der zu wechselnden Walze durch die übrigen Walzen nicht gestört wird. Die Fixierung kann am Ständer oder an Tragteilen einer anderen fixierten Walze erfolgen.The position of the rollers on the stand is expedient fixable with locking devices. This ensures that the transport of the roller to be changed is not disturbed by the other rollers. The fixation can be on the stand or on other parts fixed roller.
Vorteilhaft ist es, daß die Arretiereinrichtungen durch Anschläge gebildet sind, gegen die sich Walzentragteile, wie Hebel, unter dem Einfluß des Walzengewichts anlegen.It is advantageous that the locking devices through Stops are formed against which roller support parts like levers, under the influence of the roller weight.
Eine andere bevorzugte Möglichkeit besteht darin, daß die Arretiereinrichtungen durch hydraulische Spannvorrichtungen gebildet sind. Die hydraulischen Spannvorrichtungen lassen sich leicht betätigen und benötigen keine schwierigen manuellen Handgriffe, wie das Lösen der Lagerverschraubung.Another preferred option is that the locking devices by hydraulic clamping devices are formed. The hydraulic tensioners are easy to operate and need no difficult manual operations like loosening the bearing screw.
Bei einer vorteilhaften Ausführungsform ist dafür gesorgt, daß unterhalb des Walzenstapels ein eine Arbeitsbühne tragender Hubtisch angeordnet ist, der horizontal in Längsrichtung unter dem Walzenstapel verfahrbar ist. Dies ergibt eine erhebliche Vereinfachung beim Aufbau und der Führung der unteren Arbeitsbühne des schrägen Kalanders. Insbesondere ist keine Führung am Ständer mehr vorzusehen. In an advantageous embodiment, it is ensured that that a work platform below the roller stack supporting lifting table is arranged, the horizontal Can be moved in the longitudinal direction under the roll stack is. This results in a considerable simplification in Construction and management of the lower working platform of the oblique calender. In particular, there is no tour on Stand to provide more.
Hierbei ist es günstig, daß der Hubtisch auf denselben Schiehen verfahrbar ist wie der Walzentragwagen. Durch die Doppelnutzung der Schienen ergeben sich weitere Vereinfachungen.It is advantageous that the lifting table on the same Shooting can be moved like the roller cart. By the double use of the rails results in more Simplifications.
Die Erfindung wird nachstehend anhand eines in der Zeichnung schematisch dargestellten Ausführungsbeispiels eines erfindungsgemäßen Kalanders näher erläutert.The invention is described below using a Drawing schematically illustrated embodiment of a calender according to the invention explained.
Der dargestellte Kalander weist einen Ständer 1 auf,
der sich unter einem Winkel von etwa 45° zur Horizontalen
erstreckt und unten auf einem ortsfesten Sockel 2
ruht. Das obere Ende ist über Längsträger 3 mit Stützen
4 verbunden.The calender shown has a stand 1,
which is at an angle of about 45 ° to the horizontal
extends and below on a
An der Unterseite des Ständers 1 befindet sich ein Walzenstapel
5, der aus einer Unterwalze 6, einer Oberwalze
7 und sechs Mittelwalzen 8 besteht. Eine Materialbahn
9, insbesondere eine Papierbahn, wird über Leitwalzen
10 zugeführt, durchläuft die Walzennips des Stapels
5, wird hierbei über Umlenkwalzen 11 geführt, und
verläßt den Kalander über Leitwalzen 12. Eine Walzenliftvorrichtung
13 ist als Kran mit Kranseilen 14 ausgebildet
und auf den Längsträgern 3 horizontal verfahrbar.At the bottom of the stand 1 there is a
Ein Walzentragwagen 15 ist auf am Boden verlegten
Schienen 16 horizontal in Längsrichtung verfahrbar, wie
dies durch den Doppelpfeil 17 angedeutet ist.A
Auf den gleichen Schienen 16 ist ein Hubtisch 18 verfahrbar,
der eine höhenverstellbare Arbeitsbühne 19
trägt. A lifting table 18 can be moved on the
Die Unterwalze 6 ist durch eine hydraulische Spannvorrichtung
20 am Ständer 1 fixierbar. Die Oberwalze 7 ist
durch eine hydraulische Spannvorrichtung 21 am Ständer
1 fixierbar. Die Mittelwalzen 8 sind, wie dies gestrichelt
angedeutet ist, von Hebeln 22 getragen, die um
Drehpunkte 23 im Ständer schwenkbar sind und mit einem
Anschlag 24 zusammenwirken können, der ihre Lage bei
einem Absenken der Walzen fixiert.The lower roller 6 is by a
In der Figur befindet sich der Walzentragwagen 15 in
einer Position, in der die Unterwalze 6 ausgebaut werden
kann. Zu diesem Zweck wird die Walze von den Kranhaken
der Walzenliftvorrichtung 13 erfaßt und in die
gestrichelt gezeigte untere Position A1 abgesenkt. Alsdann
wird der Walzentragwagen 15 zusammen mit der Walze
in die Position A2 gebracht, wo der Abtransport zu einer
Servicestelle erfolgen kann. Der Walzentragwagen 15
hat auch noch eine Ruheposition A3, in der er eine
freie Bewegung der Arbeitsbühne 19 ermöglicht.In the figure, the
Zum Einbau einer neuen Walze sind die genannten Schritte
in umgekehrter Reihenfolge durchzuführen. Soll eine
der über der Unterwalze 6 befindlichen Walzen gewechselt
werden, werden die Walzennips in üblicher Weise
geöffnet. Die Kranhaken der Walzenliftvorrichtung 13
ergreifen die zu wechselnde Walze, senken diese geringfügig
ab, worauf diese am Umfang der darunter befindlichen
Walze abrollt, bis sie frei nach unten abgesenkt
werden kann.The steps are to install a new roller
perform in reverse order. Should one
of the rollers located above the lower roller 6
the roller nips in the usual way
open. The crane hooks of the
Soweit hierbei eine Leitwalze 11 entfernt werden muß,
kann dies mit Hilfe des Hubtisches 18 erfolgen. Dieser
befindet sich normalerweise in einer Parkposition B1,
kann aber durch horizontales Verfahren und vertikales
Anheben der Arbeitsbühne 19 in die Arbeitsposition B2
gebracht werden, wo sie die Leitwalze aufnehmen kann.
Nach Weiterfahren des Hubtisches 18 in die Position B3
kann die Leitwalze 11, dargestellt als 11', in einem
von der Stütze 4 getragenen Gestell 25 abgelegt werden.Insofar as a
Oberhalb des Walzenstapels 5 kann sich eine weitere Arbeitsbühne
befinden, die längs einer schrägen Führung
verfahrbar ist. Das Gestell 25 kann auch als Reservewalzengestell
genutzt werden.Another work platform can be located above the
Claims (9)
- Calender comprising a stand (1) which, in the longitudinal direction, is inclined with respect to the horizontal, and a roll stack (5) whose rolls (6-8) are held on the underside of the inclined stand (1), and also a transport apparatus having a roll carriage (15) for installing and removing the rolls (6-8), characterized in that the roll carriage (15) can be moved under the roll stack horizontally in the longitudinal direction as far as a position (A1) under the bottom roll (6), and the transport apparatus has a roll lifting apparatus (13), which in each case during installation brings a roll (6-8) from the roll carriage (15) into the associated stack position and, during removal, deposits the said roll (6-8) from the associated stack position on the roll carriage (15).
- Calender according to Claim 1, characterized in that the roll carriage (15) can be moved on rails (16).
- Calender according to one of Claims 1 and 2, characterized in that the roll lifting apparatus (13) has a crane.
- Calender according to one of Claims 1 to 3, characterized in that the roll lifting apparatus (13) allows the respective roll to roll over a limited distance on the roll located under it in the roll stack (5).
- Calender according to one of Claims 1 to 4, characterized in that the position of the rolls (6, 7, 8) on the stand (1) can be fixed by locking devices.
- Calender according to Claim 5, characterized in that the locking devices are formed by stops (24), against which roll carrying parts, such as levers (23), bear under the influence of the roll weight.
- Calender according to Claim 5, characterized in that the locking devices are formed by hydraulic clamping devices (20, 21).
- Calender according to one of Claims 1 to 7, characterized in that underneath the roll stack (5) there is arranged a lifting table (18) which carries a working platform (19) and which can be moved under the roll stack horizontally in the longitudinal direction.
- Calender according to Claim 2 and Claim 8, characterized in that the lifting table (18) can be moved on the same rails (16) as the roll carriage (15).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10000543 | 2000-01-08 | ||
| DE10000543A DE10000543A1 (en) | 2000-01-08 | 2000-01-08 | calender |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1114891A2 EP1114891A2 (en) | 2001-07-11 |
| EP1114891A3 EP1114891A3 (en) | 2001-08-16 |
| EP1114891B1 true EP1114891B1 (en) | 2004-07-14 |
Family
ID=7627000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00127781A Expired - Lifetime EP1114891B1 (en) | 2000-01-08 | 2000-12-19 | Calender |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1114891B1 (en) |
| DE (2) | DE10000543A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005016781B3 (en) * | 2005-04-12 | 2006-03-30 | Eduard Küsters Maschinenfabrik GmbH & Co. KG | Calender, for finishing a paper web, has an angled roller stack on a column with intermediate rollers on levers suspended freely from the column as weights when in the open setting |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10159400A1 (en) * | 2001-12-04 | 2003-06-18 | Voith Paper Patent Gmbh | Calender and method for satinizing a paper web |
| FI6391U1 (en) * | 2004-02-24 | 2004-09-27 | Metso Paper Inc | Support arrangement at a paper machine for a roller collection |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT367845B (en) * | 1979-01-05 | 1982-08-10 | Evva Werke | LOCK WITH A HOUSING AND A MAGNETIC ROTARY CORE |
| US3154008A (en) * | 1963-02-09 | 1964-10-27 | Dominion Eng Works Ltd | Calender stack |
| US3244090A (en) * | 1964-09-01 | 1966-04-05 | Perkins & Son Inc B F | Calender |
| US3367262A (en) * | 1965-09-09 | 1968-02-06 | Perkins & Son Inc B F | Calender roll-out mechanism |
| DE19832066C2 (en) * | 1998-07-16 | 2000-06-08 | Voith Sulzer Papiertech Patent | Calender for webs of paper or similar material |
| DE19832065A1 (en) * | 1998-07-16 | 2000-01-20 | Voith Sulzer Papiertech Patent | Calender arrangement for webs of paper or similar material |
| DE20013667U1 (en) * | 2000-08-09 | 2000-10-26 | Voith Sulzer Papiertechnik Patent GmbH, 89522 Heidenheim | Roller changing arrangement |
-
2000
- 2000-01-08 DE DE10000543A patent/DE10000543A1/en not_active Withdrawn
- 2000-12-19 DE DE50007064T patent/DE50007064D1/en not_active Expired - Fee Related
- 2000-12-19 EP EP00127781A patent/EP1114891B1/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005016781B3 (en) * | 2005-04-12 | 2006-03-30 | Eduard Küsters Maschinenfabrik GmbH & Co. KG | Calender, for finishing a paper web, has an angled roller stack on a column with intermediate rollers on levers suspended freely from the column as weights when in the open setting |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1114891A3 (en) | 2001-08-16 |
| DE10000543A1 (en) | 2001-07-19 |
| DE50007064D1 (en) | 2004-08-19 |
| EP1114891A2 (en) | 2001-07-11 |
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