EP1291310B1 - Methode and device for winding a material web - Google Patents

Abstract

The method for winding paper or cardboard webs comprises a reel change process in which the nip (22) between the old reel (16) and a support roller (18) is maintained while the nip (22') between the support roller and a new core (14') is adjusted. The linear force in the new nip is then adjusted by moving the support roller. An Independent claim is included for a winding machine for carrying out the process.

Description

The invention relates to a method for the continuous winding of a material web, in particular paper or board web, on a spool to form a wound reel according to the preamble of claim 1.

Furthermore, the invention relates to a winding machine for continuously winding a material web, in particular paper or board web, on a spool to form a winding roll according to the preamble of claim 26.

Methods and winding machines of this type are for example in the publications WO 98/52858 A1 . EP 0 788 991 B1 . EP 0 561 128 A1 . EP 0 714 373 B1 . EP 0 941 955 A2 and DE 19 737 709 A1 described.

For example, must from the pamphlets WO 98/52858 A1 and EP 0 941 955 A2 known methods after opening the winding nip formed with the full winding roll a squeezing element such as a squeezing or pressure roller are pressed against the winding roll, thereby avoiding the formation of air inclusions between the individual layers of the almost fully wound winding roll. Furthermore, the "wrapped" web tension must be maintained, so as to be able to ensure the desired winding quality in the outer region of the winding roll. The resulting problem will be so greater, the faster the winding machines are operated (order of magnitude 1,500 - 2,500 m / min) and the larger the produced diameter of the finished reels are (order of magnitude 2.5 - 4 m).

The aim of the invention is to provide an improved method and an improved winding machine of the aforementioned types, in which, inter alia, this disadvantage is eliminated.

This object is achieved in the aforementioned method for winding a material web, in particular paper or board web, on a spool to form a winding roll in that to close the new winding nip between the carrier drum and the provided new spool the carrier drum and the old winding roll be shifted together while maintaining the old winding nip formed between the carrier drum and the old winding roll; and that after closure of the new winding nip between the carrier drum and the new drum, the line force in the new winding nip is set, controlled or regulated via a corresponding displacement and contact pressure of the carrying drum.

• keine Linienkraftübergabe aufgrund der Linienkrafterzeugung über die Tragtrommel;
• es können kleinere Linienkräfte verwirklicht werden; und
• es ist eine einfache Befestigung von Zentrumsantrieben an Primär- und Sekundärschlitten infolge der Wegregelung möglich.

Due to this configuration, two winding nips or nips can be formed while maintaining preferably adjusted, controlled or controlled line forces to achieve good winding qualities of old winding roll and new spool in the phase of a spool and web change temporarily simultaneously, whereby a change without squeezing is possible. Among other things, the following advantages of the example in the document remain WO 98/52858 A1 obtained method described:

• no line power transfer due to the generation of line power via the carrier drum;
• smaller line forces can be realized; and
• it is a simple attachment of center drives on primary and secondary slide due to the path control possible.

Even with more sensitive papers, there is no more scrap on the outer layers. Compared to the so-called Pope scooter arise at least substantially the same advantages as compared to that from the document WO 98/52858 A1 known methods.

In order to obtain a good winding quality to the last layer on the old winding roll, the invention provides that the line force in the old winding nip is set, controlled or regulated in the old winding nip via a corresponding displacement and contact pressure of the old winding roll during the common displacement of the carrying drum and old winding roller.

For the purpose of shifting the carrier drum and the old winding roll while maintaining the formed old winding nip is provided that the carrier drum is acted upon by a force which is greater than a force acting on the old winding roller.

Alternatively, it is provided that the old winding roller is acted upon by a line force causing Anpressensystem having at least two preferably independent pressing units, each of these Anpresseinheiten can be acted upon by a respective force to generate the line force. In this case, now the old winding roller is acted upon by a force causing the line force, which is smaller than a force acting on the carrier drum, and / or the old winding roller is acted upon by a line force causing force acting smaller than a force acting on the carrier drum Power is. In both cases, the common displacement of the carrier drum and the old winding roll is effected while maintaining the formed old winding nip.

The diameter increase of the old winding roll during the common displacement of the carrier drum and the old winding roll while maintaining the formed old winding nip is compensated by a corresponding displacement of at least one Anpress unit, with this type of compensation technological and economic advantages can be achieved.

Thus, the line force in the winding nip between the carrier drum and old winding roll can be set and controlled precisely and quickly during the so-called main winding phase, by means of a displaceable, acted upon by the second pressing unit moving means in the displaceable, acted upon by the first pressing unit secondary transport device mounted old winding roll so acted upon by a force that it is stored stationary in the secondary transport device. In this case, it is due to the force acting preferably against a stationary stop, which may be, for example, a mechanical and fixed to the secondary device stop or an end stop of a cylinder pressed.

In order to avoid any damage to the material web and to the winding machine, the force acting on the carrier drum is limited to an upper, adjustable limit.
Upon closure of the new winding nip between the carrier drum and the new drum, the force applied to the carrier drum reaches the upper adjustable limit and thereafter the force is split to thereby create a line force in the new winding nip.

From a practical point of view, it is advantageous if the forces are generated hydraulically and / or pneumatically and adjusted, controlled or regulated by means of at least one pressure control on the carrier drum and / or on the secondary transport device, preferably when using servo pQ proportional valves become. The forces are preferably generated by means of at least one line force control, which preferably has at least one load cell. The forces can be set, controlled or regulated alternatively or additionally by the use of pressure proportional valves. The forces can also be generated by mechanical, hydraulic, pneumatic or electrical components.

The increase in diameter of the displaceable by means of the secondary and transport means old winding roll is preferably compensated via a corresponding displacement of the old winding roll.

According to a preferred practical embodiment of the method according to the invention is for controlling or regulating the line force in the old winding nip during the main winding phase via a corresponding displacement and adjustment of the old winding roll during the common displacement of the carrier drum and old winding roll with respect to the old winding roller, a force control with a stroke of about 50 to about 400 mm, preferably from about 80 to about 120 mm provided.

By means of the primary transport device, the new drum can be moved, in particular from a higher position to a lower position, preferably swung.

A preferred practical embodiment of the method according to the invention is characterized in that the primary transport device comprises spindles and the new spool is shifted or swiveled over these spindles, whereby an entanglement with the old winding roll is excluded.
Also, a preferred practical embodiment of the method according to the invention is characterized in that the secondary transport device comprises spindles and the old winding roller is displaced over the spindles.

Preferably, the old winding roll is displaced at least substantially horizontally by means of the secondary transport device.

Conveniently, the carrier drum is preferably horizontally displaceable.

According to an expedient practical embodiment of the new spool is provided in a position obliquely above the carrier drum in their preferably horizontal displacement and pressed in the production of the new winding nip by a preferably horizontal displacement of the carrier drum to the carrier drum that in the new winding nip a predetermined line force established.

The diameter increase of the new winding roll occurring during the displacement of the new spool by means of the primary transport device is preferably compensated by a corresponding, in particular horizontal, displacement of the carrying drum.

It is also advantageous if the line force in the new winding nip is kept at least substantially constant during the displacement of the new spool by means of the primary transport device.

The direction of the common displacement of the carrying drum and the old winding roll preferably has at least one directional component in the direction of the movement path of the secondary conveying device.

The object of the invention is achieved in the above-mentioned winding machine for winding a material web, in particular paper or board web, on a spool to form a winding roll in that to close the new winding nip between the carrier drum and the new tambour provided the carrier drum and the old winding roll together in maintaining the old winding nip formed between the drum and the old winding roll is displaced and that after closure of the new winding nip between the carrier drum and the new drum, the line force in the new winding nip via a corresponding displacement and contact pressure of the carrier drum is controlled or regulated.

Preferred embodiments of the winding machine according to the invention are specified in the subclaims.

Figur 1:

eine rein schematische Darstellung einer Prinzipskizze einer Wickelmaschine in vier verschiedenen Wickelphasen;

Figur 2:

eine detailliertere Darstellung der Wickelphase 1a), in der zwar bereits ein neuer Tambour bereitgestellt, der neue Wickelspalt jedoch noch nicht geschlossen ist;

Figur 3:

eine detailliertere Darstellung einer Wickelphase, in der gleichzeitig zwei Wickelspalte gebildet sind;

Figur 4:

eine rein schematische Darstellung dreier ausgewählter Wickelphasen in freigeschnittenen Kräftediagrammen; und

Figur 5:

eine rein schematische Darstellung einer Prinzipskizze einer Wickelmaschine gemäß einer erfindungsgemäßen Ausführung.

The invention is explained below with reference to an embodiment with reference to the drawings; in this show:

FIG. 1:

a purely schematic representation of a schematic diagram of a winding machine in four different winding phases;

FIG. 2:

a more detailed representation of the winding phase 1a), in which, although already provided a new drum, the new winding nip is not yet closed;

FIG. 3:

a more detailed representation of a winding phase in which two winding nips are formed simultaneously;

FIG. 4:

a purely schematic representation of three selected winding phases in cut force diagrams; and

FIG. 5:

a purely schematic representation of a schematic diagram of a winding machine according to an embodiment of the invention.

The FIG. 1 shows in a purely schematic representation of a schematic diagram of a winding machine 10 for winding a material web 12 on a spool 14 to form an (old) winding roll 16. The material web 12 may be in particular a paper or board web.

The material web 12 is guided over a preferably horizontally displaceable in the plane E carrier drum 18. However, the carrier drum 18 can also be moved along an oblique plane, as for example in the document WO 98/52858 is described.

In the winding phase 1a), the displaceable carrying drum 18 forms a winding gap 22 with the old winding roll 16 displaceable by means of a secondary transport device 20.

In this winding phase 1a), the line force in the winding nip 22 is adjusted, controlled or regulated via a corresponding displacement and contact pressure of the carrier drum 18. The equipment for adjustment, control and regulation are well known to the skilled person (see, inter alia, document WO 98/52858 ) and therefore require no further representation in the figures and no further explanation in the present description of figures more. Of the Diameter increase of the displaceable by means of the secondary transport means 20 old winding roller 16 is compensated by a corresponding displacement of the old winding roller 16.

A new spool 14 'is already provided obliquely above the carrier drum 18. However, the new winding nip between the new drum 14 'and the carrier drum 18 is not yet closed here.

Accordingly, in the winding phase 1a) a displacement and force control is provided with respect to the old winding roller 16, wherein the force control can be integrated in the path control. The diameter increase of the old winding roll 16 is compensated by the path control. The line force in the winding nip 22 is adjusted, controlled or regulated via a corresponding displacement and contact pressure of the carrier drum 18.

Upon reaching a predetermined roll diameter, the carrier drum 18 is moved to prepare a Tambourwechsels together with the winding roller 18, for example, horizontally in the plane E to form a newly formed winding nip 22 'between the carrier drum 18 and the provided new drum 14' (see winding phase 1b)).

During the winding phase 1 b) taking place common displacement of the carrier drum 18 and old winding roll 16 of the old winding roll 16 formed with the old winding gap 22 is maintained, so that temporarily simultaneously two winding nips 22, 22 'are formed. The line force in the old winding nip 22 is preferably set, controlled or regulated via a corresponding displacement and contact pressure of the old winding roller 16. For controlling or regulating the line force can with respect to the old winding roll 16th For example, a force control with a stroke of about 50 to about 400 mm, preferably be provided from about 80 to about 120 mm.

The provided in a position obliquely above the carrier drum 18 in the horizontal displacement new spool 14 '(see again the winding phase 1a)) is pressed in the preparation of the new winding nip 22' by the horizontal displacement of the carrier drum 18 to the carrier drum 18, that sets in the new winding nip 22 'a predetermined line force.

In the winding phase 1b), the carrier drum 18 and the old winding roll 16 are therefore moved together until the winding nip between the carrier drum 18 and the new drum 14 'is closed. The line force in the old winding nip 22 is set, controlled or regulated via a corresponding displacement and contact pressure of the old winding roll 16.

As soon as the new winding nip 22 'to be formed between the carrier drum 18 and the new drum 14' is closed, the web changes. The web 12 is separated by means of a web separation device and wound up with its new web start on the new drum 14 '.

In the in the FIG. 1 illustrated winding phase 1b), the corresponding force-controlled travel paths are designated by x.

The old winding roll 16 is removed by removing the old winding nip 22 from the carrier drum 18 (compare the winding phase 1c)). The new spool 14 'is wound and displaced by means of a primary transport device 26 while maintaining the new winding nip 22' so far down, preferably pivoted that he of the secondary transport device 20 (see the FIGS. 2 and 3 ) can be taken over.

For example, the primary transport means 26 may comprise spindles over which the new spool 14 'is displaced downwardly or swung down, thereby precluding entanglement with the old spool 16.

The diameter increase of the new winding roll 16 'occurring during the displacement of the new spool 14' by means of the primary transport means is compensated by a corresponding, preferably horizontal displacement of the carrying drum 18. The line force in the new winding nip 22 'is at least substantially kept constant during the displacement or during the pivoting of the new drum 14'.

In the winding phase 1c), the new spool 14 'is thus wound, and it is started with the displacement of this new spool 14' down to a secondary position (compare the winding phase 1d)). The diameter increase of the new winding roll 16 'is compensated by a preferably horizontal displacement of the carrier drum 18. The line force in the new winding nip 22 'remains constant during the displacement or during the pivoting of the new drum 14'.

In the winding phase 1d), the new drum 14 'assumes its secondary position in which it is transported by the secondary transport device 20 (compare, in particular, the FIGS FIG. 3 ) can be taken over. The pressure in the integrated force control is greater than the line force in the new winding nip 22 ', which means that this line force, as in the winding phase 1a), is adjusted, controlled or regulated again via the carrier drum 18. The carrier drum 18 is thus force-controlled again in this winding phase 1d) as well as in the corresponding winding phase 1a), while the new winding roll 16 'is only driven away.

FIG. 2 shows in more detail again the winding phase 1a) of FIG. 1 , wherein like reference numerals are assigned to corresponding parts.

As based on this FIG. 2 can be seen, the secondary transport device 20 comprises a secondary carriage, which in the winding phase shown on a schematically illustrated stop 28, which may be, for example, a mechanical and attached to the secondary device stop or an end stop of a cylinder. The carrier drum 18 is acted upon to control or regulate the line force in the winding nip 22 by at least one actuator 24 accordingly.
The force K _SeKSchl , with which the secondary carriage is acted upon, is significantly greater than the force K _TT, with which the carrier drum 18 is acted upon.

FIG. 3 shows a more detailed representation of a winding phase in which two winding nips are formed simultaneously, that is, the new winding nip 22 'is already closed and the old winding nip 22 still exists. The phase shown here is thus with the winding phase 1b) of FIG. 1 comparable. It is therefore again a phase in which a reel or train change is prepared. The force K _{TT is} greater than the force K _SekSchl . The line force in the old winding nip 22 is thus set, controlled or regulated here via a corresponding displacement and contact pressure of the old winding roll 16. The new winding gap 22 'is here, as already mentioned, already closed.

It is further provided that the forces K _TT and K _SekSchl by means of at least one pressure control via corresponding actuators, such as acting on the support drum 18 actuator 24, on the carrier drum and / or on the secondary transport device, preferably when using servo pQ proportional valves and / or pressure proportional valves, controllable or controllable are. Such components and assemblies belong to the known prior art.

The generation of the forces K _TT and K _SekSchl , for example, by means of a line force control, which preferably has at least one load cell, and / or by mechanical, hydraulic, pneumatic or electrical components, wherein the components themselves include the known prior art.

The FIG. 4 shows a purely schematic representation of three selected winding phases in cut force diagrams, wherein the winding phases a1), b1) and c1) the winding phases of FIGS. 1a), 1b) and 1c ) in line view. The FIGS. 4a2), 4b2) and 4c2) each represent the cut force diagrams, with the representation and consideration of any moments completely ignored.

The winding phase a2) shows the in FIG. 1a ) and explained winding phase in the cut diagram. In this main winding phase, the following relationships of forces generally apply: $${\mathrm{K}}_{\mathrm{SekSchi}}>>{\mathrm{K}}_{\mathrm{TT}}.{\mathrm{K}}_{\mathrm{Conn}}={\mathrm{K}}_{\mathrm{SekSchi}}-\left({\mathrm{LK}}_{\mathrm{SekNip}}•\mathrm{web\; width}\right)\mathrm{and}{\mathrm{LK}}_{\mathrm{SekNip}}={\mathrm{K}}_{\mathrm{TT}}\mathrm{,}$$

In the production of the so-called "two-nip operation", K- _{stop is} preferably = 0, and the winding roll and the carrier drum are accelerated at an acceleration of a = (K _TT -K _SekSchl ) / (width- _related mass). If the acceleration is too great, the volume flow in the system can be limited in a known manner.

The winding phase b2) shows the in FIG. 1 b) illustrated and explained winding phase in the free-cut force diagram. In this "two-nip operation" generally the following power relationships apply: $${\mathrm{LK}}_{\mathrm{SekNip}}•\mathrm{web\; width}={\mathrm{K}}_{\mathrm{SekSchi}}.{\mathrm{LK}}_{\mathrm{PrimNipH}}•\mathrm{web\; width}={\mathrm{K}}_{\mathrm{TT}}-\left({\mathrm{LK}}_{\mathrm{SekNip}}•\mathrm{web\; width}\right)\mathrm{and}{\mathrm{LK}}_{\mathrm{PrimNip}}={\mathrm{LK}}_{\mathrm{PrimNipH}}/\cos \left(\mathrm{alpha}\right)$$

During the subsequent transition to the "one-nip operation", ie when opening the secondary nip, K _TT must be lowered by the amount K _SekSChl , so that no line force increase is generated.

The winding phase c2) shows the in Figure 1c ) and explained winding phase in the cut diagram. In this "winding in the primary area" generally the following power relationships apply: $${\mathrm{LK}}_{\mathrm{PrimNipH}}•\mathrm{web\; width}={\mathrm{K}}_{\mathrm{TT}}\mathrm{and}{\mathrm{LK}}_{\mathrm{PrimNip}}={\mathrm{LK}}_{\mathrm{PrimNipH}}/\cos \left(\mathrm{alpha}\right)$$

The FIG. 5 finally shows a purely schematic representation of a schematic diagram of a winding machine 10 according to an embodiment of the invention, wherein the present invention relevant functional groups of the winding machine 10 are shown spatially separated from each other.

The winding machine 10 comprises a preferably horizontally displaceable in the plane E carrier drum 18, which, however, can also be moved along an inclined plane, as for example in the document WO 98/52858 is described. The displaceability of the carrier drum is indicated by a double-sided directional arrow.

The winding machine 10 further comprises a secondary transport device 20 which indirectly supports a displaceable old winding roller 16 and which forms a winding nip during the main winding phase with the displaceable carrying drum 18, like this for example in the FIG. 1 is shown. On the secondary transport device 20, a movable movement device 30 is mounted, which supports the displaceable old winding roll 16 in the true sense directly. The respective displaceability of the secondary transport device 20 and the movement device 30 is indicated by a respective double-sided directional arrow.

Both the secondary transport device 20 and the movement device 30 are acted upon by a pressure system 32, which comprises a first pressing unit 32.1, which forces the secondary transport device 20, and a second pressing unit 32.2, which acts on the movement unit 30 in terms of power. The second pressing unit 32. 2 is mounted on the secondary transport device 20. The two pressing units 32.1, 32.2 are preferably mechanical, hydraulic, pneumatic or electrical components, but still other types of components are possible. For example, it has proven useful in practice if the first pressing unit 32.1 is a spindle drive and the second pressing unit 32.2 is a hydraulic unit comprising at least one hydraulic cylinder or, in turn, a spindle drive. Such Anpresseinheiten 32.1, 32.2 are well known to those skilled (see, inter alia, document WO 98/52858 ) and therefore require no further representation in the figures and no further explanation in the present description of figures more.

On the secondary transport device 20, a stationary stop 28 is attached. In the FIG. 5 the stationary stop is designed as a mechanical stop 28.1. The stationary stop 28 may, for example, also form an end stop of a cylinder, preferably the hydraulic cylinder of the second pressing unit 32.2.

• Dabei wird zur Schließung eines neuen Wickelspalts 22' zwischen der Tragtrommel 18 und einem bereitgestellten neuen Tambour 14' die Tragtrommel 18 und die alte Wickelrolle 16 gemeinsam bei Aufrechterhaltung des zwischen der Tragtrommel 18 und der alten Wickelrolle 16 gebildeten alten Wickelspalts 22 verlagert. Nach der Schließung des neuen Wickelspalts 22' zwischen der Tragtrommel 18 und dem neuen Tambour 14' wird die Linienkraft LK_PrimNip (vergleiche Figur 4b2)) im neuen Wickelspalt 22' über eine entsprechende Verlagerung und Anpressung der Tragtrommel 18 eingestellt, gesteuert oder geregelt.
• Während der gemeinsamen Verlagerung von Tragtrommel 18 und alter Wickelrolle 16 wird die Linienkraft LK_SekNip (vergleiche Figur 4b2)) im alten Wickelspalt 22 über eine entsprechende Verlagerung und Anpressung der alten Wickelrolle 16 eingestellt, gesteuert oder geregelt.
• Um die gemeinsame Verlagerung der Tragtrommel 18 und der alten Wickelrolle 16 bei Aufrechterhaltung des gebildeten alten Wickelspalts 22 zu bewirken, können prinzipiell zwei Möglichkeiten angewendet werden:
  • die Tragtrommel 18 wird von einer die Linienkraft LK_SekNip bewirkenden Kraft K_TT beaufschlagt, die größer als eine die alte Wickelrolle 16 beaufschlagende Kraft K_SekSchl ist;
  • die alte Wickelrolle 16 wird von einem die Linienkraft LK_SekNip bewirkenden Anpresssystem 32 beaufschlagt, welches mindestens zwei vorzugsweise voneinander unabhängige Anpresseinheiten 32.1, 32.2 aufweist, wobei jede dieser Anpresseinheiten 32.1, 32.2 mittels einer jeweiligen Kraft K_SekSchI, K_SekSchl-ll zur Erzeugung der Linienkraft beaufschlagbar ist,

    wobei die alte Wickelrolle 16 von einer die Linienkraft LK_SekNip bewirkenden Kraft K_SekSchl beaufschlagt wird, die kleiner als eine die Tragtrommel 18 beaufschlagende Kraft K_TT ist,
   und/oder die alte Wickelrolle 16 von einer die Linienkraft LK_SekNip bewirkenden Kraft K_SekSchl-ll beaufschlagt wird, die kleiner als eine die Tragtrommel 18 beaufschlagende Kraft K_TT ist.
Die Kräfte LK_SekNip, K_TT und K_SekSchl sind in der Figur 4a2) dargestellt und beschrieben.In the following, the procedural function of the winding machine 10 will be explained in more detail during the so-called reel change:

• Here, to close a new winding nip 22 'between the carrier drum 18 and a provided new drum 14', the carrier drum 18 and the old winding roll 16 are displaced together while maintaining the old winding nip 22 formed between the carrier drum 18 and the old winding roll 16. After the closure of the new winding nip 22 'between the carrier drum 18 and the new drum 14', the line force LK _PrimNip (cf. FIG. 4b2 )) adjusted in the new winding nip 22 'via a corresponding displacement and contact pressure of the carrier drum 18, controlled or regulated.
• During the common displacement of carrier drum 18 and old winding roll 16, the line force LK _SekNip (cf. FIG. 4b2 )) adjusted in the old winding nip 22 via a corresponding displacement and contact pressure of the old winding roller 16, controlled or regulated.
• In order to effect the common displacement of the carrier drum 18 and the old winding roll 16 while maintaining the formed old winding nip 22, in principle two possibilities can be used:
  • the carrier drum 18 is acted upon by a force K _TT effecting the line force LK _SekNip which is greater than a force K _{SekSchl acting on} the old _{winding roller} 16;
  • the old _{winding roll} 16 is acted upon by a _pressing system 32 effecting the line force LK _SekNip , which has at least two preferably independent pressing units 32.1, 32.2, wherein each of these pressing units 32.1, 32.2 is connected by means of a respective force K _SekSchI , K _SekSchl-II to produce the line force can be acted on,

wherein the old _{winding roller 16 is} acted upon by a force K _SekSchl causing the line force LK _SekNip, which force is smaller than a force K _TT acting on the carrier drum 18,
and / or the old _{winding roller} 16 is acted upon by a line force LK _SekNip causing force K _SekSchl-ll, which is smaller than a force acting on the carrier drum 18 K _TT .
The forces LK _SekNip , K _TT and K _SekSchl are in the FIG. 4a2 ) and described.

The increase in diameter of the old winding roll 16 during the common displacement of the carrier drum 18 and the old winding roll 16 while maintaining the formed old winding nip 22 is compensated by a corresponding displacement of at least one Anpresseinheit 32.1, 32.2.

Further procedural functions of the winding machine 10 during the entire winding process can be explained in more detail as follows:

During the main winding _phase the force K _{SekSchl-II acts} on the displaceable secondary winding _device 20 loaded by the first pressing unit 32.1 by means of a displaceable moving device 30 loaded by the second pressing unit 32.2 Secondary transport device 20 is mounted. This stationary storage can be, for example, the storage on the already described fixed stop 28.

The load bearing drum 18 acting force K _TT is limited to an upper, adjustable limit K _TTmax , wherein upon closure of the new winding nip 22 'between the carrier drum 18 and the new drum 14', the carrier drum 18 acting force K _TT the upper, adjustable limit K _{reaches TTmax} and then the force K _{TT is} divided vectorially, thereby _generating a line force LK _PrimNip in the new winding _nip 22 '.

The winding machine 10 is adjusted by means of at least one pressure control on the carrier drum 18 and / or on the secondary transport device 20 (first pressing device 32.1) and / or on the moving device 30 (second pressing device 32.2), preferably when using servo-pQ proportional valves , controlled or regulated.
The forces K _TT , K _SekSchl and K _SekSchl-ll themselves are generated, controlled or regulated by means of at least one line force control, which preferably has at least one load cell, and / or set, controlled or regulated by the use of pressure _{proportional valves} .

Moreover, the winding machine can for example be designed as in the document WO 98/52858 is described.

LIST OF REFERENCE NUMBERS

10

winder

12

web

14

drummer

14 '

New drum

16

(Old) winding roll

16 '

New winding roll

18

carrying drum

20

Secondary transport device

22

(Age) winding nip

22 '

New winding gap

24

Actuator E (level)

26

Primary transport device

28, 28.1

attack

30

mover

32

Clamping System

32.1

First pressing unit

32.2

Second pressing unit

a

acceleration

alpha

angle

K _Anschi

Force (stop)

K _SecSchI

Force (secondary transport device)

K _SekSchI-II

Force (movement device)

K _TT

Force (carrier drum)

LK _PrimNip

Line force (primary nip)

LK _PrimNipH

Line force (primary nip horizontal)

LK _SekNip

Line force (secondary nip)

x

Power controlled travel path

Claims (44)

1. Method for continuously winding a material web (12), in particular a paper or paperboard web, onto a reel (14) with the formation of a winding roll (16), having the following features:

   - the material web (12) is guided over a displaceable carrying drum (18) which forms a winding nip (22) with the old winding roll (16) which can be displaced by means of a secondary transport device (20), the line force (LK_SekNip) being set, controlled or regulated in the winding nip (22) via corresponding displacement and pressing of the carrying drum (18) ("main winding phase");

   - when a predefinable winding-roll diameter has been reached, a new winding nip (22') is closed between the carrying drum (18) and a provided new reel (14');

   - the material web (12) is severed by means of at least one severing device and is wound onto the new reel (14') by way of its new web start ("initial winding phase");

   - the old winding roll (16) is preferably removed from the carrying drum (18) by means of a secondary transport device (20), with termination of the old winding nip (22);

   - the new reel (14') is displaced by means of a primary transport device (26), with the new winding nip (22') being maintained, to such an extent that it can be received by the secondary transport device (20);

   characterized

   - in that, in order to close the new winding nip (22') between the carrying drum (18) and the provided new reel (14'), the carrying drum (18) and the old winding roll (16) are displaced together, with the old winding nip (22) which is formed between the carrying drum (18) and the old winding roll (16) being maintained; and

   - in that, after closure of the new winding nip (22') between the carrying drum (18) and the new reel (14'), the line force (LK_PrimNip) is set, controlled or regulated in the new winding nip (22') via corresponding displacement and pressing of the carrying drum (18).
2. Method according to Claim 1, characterized in that, during the joint displacement of the carrying drum (18) and the old winding roll (16), the line force (LK_SekNip) is set, controlled or regulated in the old winding nip (22) via corresponding displacement and pressing of the old winding roll (16).
3. Method according to Claim 1 or 2, characterized in that the carrying drum (18) is loaded by a force (K_TT) which brings about the line force (LK_SekNip), is greater than a force (K_SekSchl) which loads the old winding roll (16), and, as a result, brings about the joint displacement of the carrying drum (18) and the old winding roll (16), with the old winding nip (22) which is formed being maintained.
4. Method according to Claim 1 or 2, characterized in that the old winding roll (16) is loaded by a pressing system (30) which brings about the line force (LK_SekNip) and has at least two pressing units (32.1, 32.2) which are preferably independent of one another, it being possible for each of these pressing units (32.1, 32.2) to be loaded by means of a respective force (K_SekSchl, K_SekSchl·II) in order to generate the line force (LK_SekNip).
5. Method according to Claim 4, characterized in that the old winding roll (16) is loaded by a force (K_SekSchl) which brings about the line force (LK_SekNip) and is smaller than a force (K_TT) which loads the carrying drum (18), and which, as a result, brings about the joint displacement of the carrying drum (18) and the old winding roll (16), with the old winding nip (22) which is formed being maintained.
6. Method according to Claim 4, characterized in that the old winding roll (16) is loaded by a force (K_SekSchl·II) which brings about the line force (LK_SekNip), is smaller than a force (K_TT) which loads the carrying drum (18), and which, as a result, brings about the joint displacement of the carrying drum (18) and the old winding roll (16), with the old winding nip (22) which is formed being maintained.
7. Method according to one of the preceding claims, characterized in that the increase in diameter of the old winding roll (16) is compensated for during the joint displacement of the carrying drum (18) and the old winding roll (16) via corresponding displacement of at least one pressing unit (32.1, 32.2), with the old winding nip (22) which is formed being maintained.
8. Method according to one of the preceding claims, characterized in that the old winding roll (16) which is mounted in the displaceable secondary transport device (20), which is loaded by the first pressing unit (32.1), by means of a displaceable movement device (30) which is loaded by the second pressing unit (32.2) is loaded by the force (K_SekSchl·II) during the main winding phase in such a way that it is mounted in a stationary manner in the secondary transport device (20).
9. Method according to one of the preceding claims, characterized in that the force (K_TT) which loads the carrying drum (18) is restricted to an upper limiting value (K_TTmax) which can be set.
10. Method according to one of the preceding claims, characterized in that, when the new winding nip (22') is closed between the carrying drum (18) and the new reel (14'), the force (K_TT) which loads the carrying drum (18) reaches the upper limiting value (K_TTmax) which can be set, and in that subsequently the force (K_TT) is divided vectorially, in order to generate a line force (LK_PrimNip) in the new winding nip (22') as a result.
11. Method according to one of the preceding claims, characterized in that the forces (K_TT, K_SekSchl, K_SekSchl·II) are generated hydraulically and/or pneumatically, and in that they can be set, controlled or regulated by means of at least one pressure regulation at the carrying drum (18) and/or at the secondary transport device (20) and/or at the movement device (30), preferably with the use of proportional pQ servovalves.
12. Method according to one of the preceding claims, characterized in that the forces (K_TT, K_SekSchl, K_SekSchl·II) are generated, controlled or regulated by means of at least one line-force regulation means which preferably has at least one load cell.
13. Method according to one of the preceding claims, characterized in that the forces (K_TT, K_SekSchl, K_SekSchl·II) are set, controlled or regulated by the use of proportional pressure valves.
14. Method according to one of the preceding claims, characterized in that the forces (K_TT, K_SekSchl, K_SekSchl·II) are generated by mechanical, hydraulic, pneumatic or electric components.
15. Method according to one of the preceding claims, characterized in that the increase in diameter of the old winding roll (16) which can be displaced by means of the secondary transport device (20) is compensated for during the main winding phase via corresponding displacement of the old winding roll (16).
16. Method according to one of the preceding claims, characterized in that a powered control system having a stroke of from approximately 50 to approximately 400 mm, preferably from approximately 80 to approximately 120 mm, is provided for the control or regulation of the line force (LK_SekNip) in the old winding nip (22) during the main winding phase via corresponding displacement and pressing of the old winding roll (16) during the joint displacement of the carrying drum (18) and the old winding roll (16), with regard to the old winding roll (16).
17. Method according to one of the preceding claims, characterized in that the new reel (14') is displaced, preferably pivoted away, from a higher position into a lower position by means of the primary transport device (26).
18. Method according to one of the preceding claims, characterized in that the primary transport device (26) comprises spindles and the new reel (14') is displaced or pivoted away via these spindles.
19. Method according to one of the preceding claims, characterized in that the old winding roll (16) is displaced at least substantially horizontally by means of the secondary transport device (20).
20. Method according to one of the preceding claims, characterized in that the secondary transport device (20) comprises spindles and the old winding roll (16) is displaced via these spindles.
21. Method according to one of the preceding claims, characterized in that the carrying drum (18) is preferably displaced horizontally.
22. Method according to one of the preceding claims, characterized in that the new reel (14') is provided in a position obliquely above the carrying drum (18) in its preferably horizontal displacement path and is pressed against the carrying drum (18) during the generation of the new winding nip (22') by preferably horizontal displacement of the carrying drum (18) in such a way that a predefinable line force (LK_PrimNip) is set in the new winding nip (22').
23. Method according to one of the preceding claims, characterized in that the increase in diameter of the new winding roll (16'), which increase in diameter occurs during the displacement of the new reel (14') by means of the primary transport device (26), is compensated for via corresponding, preferably horizontal displacement of the carrying drum (18).
24. Method according to one of the preceding claims, characterized in that the line force (LK_PrimNip) is kept at least substantially constant in the new winding nip (22') during the displacement of the new reel (14') by means of the primary transport device (26).
25. Method according to one of the preceding claims, characterized in that the direction of the joint displacement of the carrying drum (18) and the old winding roll (16) has at least one direction component in the direction of the movement path of the secondary transport device (20).
26. Winder (10) for continuously winding a material web (12), in particular a paper or paperboard web, onto a reel (14) with the formation of a winding roll (16), having a displaceable carrying drum (18), over the circumferential face of which the material web (12) is guided partially, the carrying drum (18) forming a winding nip (22) with the old winding roll (16) which can be displaced by means of a secondary transport device (20), and it being possible for the line force (LK_SekNip) to be controlled or regulated in this winding nip (22) via corresponding displacement and pressing of the carrying drum (18), a new winding nip (22') being generated between the carrying drum (18) and a provided new reel (14') when a predefinable winding-roll diameter is reached, the material web (12) being severed by means of at least one web severing device and being wound onto the new reel (14') by way of its new web start, it preferably being possible for the old winding roll (16) to be removed from the carrying drum (18) by means of a secondary transport device (20), with termination of the old winding nip (22), and it being possible for the new reel (14') to be displaced by means of a primary transport device (26), with the new winding nip (22') being maintained, to such an extent that it can be received by the secondary transport device (20), characterized in that, in order to close the new winding nip (22') between the carrying drum (18) and the provided new reel (14'), the carrying drum (18) and the old winding roll (16) can be displaced jointly, with the old winding nip (22) which is formed between the carrying drum (18) and the old winding roll (16) being maintained, and in that, after closure of the new winding nip (22') between the carrying drum (18) and the new reel (14'), the line force (LK_PrimNip) can be set, controlled or regulated in the new winding nip (22') via corresponding displacement and pressing of the carrying drum (18).
27. Winder (10) according to Claim 26, characterized in that, during the joint displacement of the carrying drum (18) and the old winding roll (16), the line force (LK_SekNip) can be set, controlled or regulated in the old winding nip (22) via corresponding displacement and pressing of the old winding roll (16).
28. Winder (10) according to either of Claims 26 and 27, characterized in that the increase in diameter of the old winding roll (16) can be compensated for during the joint displacement of the carrying drum (18) and the old winding roll (16) via corresponding displacement of at least one pressing unit (32.1, 32.2), with the old winding nip (22) which is formed being maintained.
29. Winder (10) according to one of Claims 26 to 28, characterized in that the carrying drum (18) can be loaded with a force (K_TT), and in that the old winding roll (16) can be loaded by a pressing system (32) which has at least two pressing units (32.1, 32.2) which are preferably independent of one another, it being possible for each of these pressing units (32.1, 32.2) to be loaded by means of a respective force (K_SekSchl, K_SekSchl·II) in order to generate the line force (LK_SekNip).
30. Winder (10) according to one of Claims 26 to 29, characterized in that the respective forces (K_TT, K_SekSchl, K_SekSchl·II) can be set, controlled or regulated by means of at least one pressure regulation at the carrying drum (18) and/or at the secondary transport device (20) and/or at the movement device (30), preferably with the use of proportional pQ servovalves.
31. Winder (10) according to one of Claims 26 to 30, characterized in that at least one line-force regulation means which preferably has at least one load cell sets, controls or regulates the forces (K_TT, K_SekSchl, K_SekSchl·II).
32. Winder (10) according to one of Claims 26 to 31, characterized in that the forces (K_TT, K_SekSchl, K_SekSchl·II) can be set, controlled or regulated by the use of proportional pressure valves.
33. Winder (10) according to one of Claims 26 to 32, characterized in that mechanical, hydraulic, pneumatic or electric components generate the forces (K_TT, K_SekSchl, K_SekSchl·II).
34. Winder (10) according to one of Claims 26 to 33, characterized in that the force (K_TT) which loads the carrying drum (18) can be set, controlled or regulated by the use of proportional pressure valves.
35. Winder (10) according to one of Claims 26 to 34, characterized in that the increase in diameter of the old winding roll (16) which can be displaced by means of the secondary transport device (20) can be compensated for during the main winding phase via corresponding displacement of the old winding roll (16).
36. Winder (10) according to one of Claims 26 to 35, characterized in that a powered control system having a stroke of from approximately 50 to approximately 400 mm, preferably from approximately 80 to approximately 120 mm, is provided for the control or regulation of the line force (LK_SekNip) in the old winding nip (22) via corresponding displacement and pressing of the old winding roll (16) during the joint displacement of the carrying drum (18) and the old winding roll (16), with regard to the old winding roll (16).
37. Winder (10) according to one of Claims 26 to 36, characterized in that the new reel (14') can be displaced, preferably pivoted away, from a higher position into a lower position by means of the primary transport device (26).
38. Winder (10) according to one of Claims 26 to 37, characterized in that the primary transport device (26) comprises spindles and the new reel (14') can be displaced or pivoted away via these spindles.
39. Winder (10) according to one of Claims 26 to 38, characterized in that the old winding roll (16) can be displaced at least substantially horizontally by means of the secondary transport device (20).
40. Winder (10) according to one of Claims 26 to 39, characterized in that the secondary transport device (20) comprises spindles and the old winding roll (16) can be displaced via these spindles.
41. Winder (10) according to one of Claims 26 to 40, characterized in that the carrying drum (18) can preferably be displaced horizontally.
42. Winder (10) according to one of Claims 26 to 41, characterized in that the new reel (14') is provided in a position obliquely above the carrying drum (18) in its preferably horizontal displacement path and can be pressed against the carrying drum (18) during the generation of the new winding nip (22') by preferably horizontal displacement of the carrying drum (18) in such a way that a predefinable line force (LK_PrimNip) is set in the new winding nip (22').
43. Winder (10) according to one of Claims 26 to 42, characterized in that the increase in diameter of the new winding roll, which increase in diameter occurs during the displacement of the new reel (14') by means of the primary transport device (26), can be compensated for via corresponding, preferably horizontal displacement of the carrying drum (18).
44. Winder (10) according to one of Claims 26 to 43, characterized in that the line force (LK_PrimNip) is kept at least substantially constant in the new winding nip (22') during the displacement of the new reel (14') by means of the primary transport device (26).

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