DE202009008773U1 - Winding machine for the continuous winding of a fibrous web - Google Patents

Abstract

Winding machine (1) for continuously winding a fibrous web (2), in particular a paper, board or tissue web, onto a winding core (3, 9) to form a winding reel (4), comprising a reel drum (5) connected to the winding reel (5). 4) forms a winding nip (7) with a bearing comprising at least one transporting device which guides the winding core (3) along a preferably horizontal guide track and at least one air squeezing device (10) with at least one air squeezing device (10) mounted in the lower region of the winding machine (1) Luftabquetschelement, which preferably immediately before reaching a desired layer thickness (S) of the winding roll (4) and / or preferably immediately before dissolution of the carrier drum (5) and the winding roll (4) formed winding nip (7) to the winding roll (4) by means at least one movement device acting on both sides can be applied when forming a contact pressure gap (12),
characterized,
in that the air squeezing device (10) with the at least one air squeezing element (10.11; 10.12; 10.2; 10.3; 10.4; 10.5) has a cambered surface (18) contacting the winding roller (4) for the purpose of forming a plane or ...

Description

The The invention relates to a winding machine for continuous winding a fibrous web, in particular a paper, board or tissue web, on a winding core to a winding roll, with a carrying drum, which forms a winding nip with the winding roll, with at least one a transporting device comprising the winding core along a preferably horizontal guideway, and at least one Luftabquetscheinrichtung mounted in the lower region of the winding machine with at least one Luftabquetschelement, which preferably directly before reaching a desired layer thickness of the winding roll and / or preferably immediately before the dissolution of the the winding drum and the winding roll formed winding nip to the Winding roll by means of at least one double-acting movement device can be applied when forming a pressure nip.

Such, a Luftabquetscheinrichtung having winding machine is for example from the European patent EP 0 483 092 B1 or from the PCT publication WO 98/52858 A1 It is well known and is used in particular in machines for producing or refining fibrous webs, such as paper, board or tissue webs.

at modern winding concepts for fibrous webs is today necessary to prepare a reel change the winding core with the almost fully wound winding roll ("ready-to-roll") in an end position ("Tambourwechselposition") in which then no effective contact, no so-called Winding gap, between the carrier drum and the winding roll longer exists. In this time, in which no winding gap exists, must by appropriate measures are taken to ensure that there are no air pockets between the individual layers of the almost fully wound winding roll arise. Furthermore, both the "wrapped" web tension must as well as the ruling in Anpressspalt line force maintained stay, so in the outer area of the winding roll ensure the desired winding quality to be able to. The resulting problem becomes even greater the faster the winding machines are operated (current order of magnitude 1,500 to 3,000 m / min) and the larger the produced Diameter of the finished reels are (current order of magnitude 2.5 to 4.5 m).

The both disclosed in the cited documents and as the further known in the art Luftabquetscheinrichtungen in an embodiment of Luftabquetschwalzen fulfill both the Requirement of non-emergence of trapped air between the individual layers of the almost fully wound reel as also the requirement of a process technology required "wrapped" web tension in the almost fully wound winding roll sufficiently, but the requirement of achieving sufficient and over the width of the pressure gap constant or approximate constant line force in which between the almost fully wound Winding roll and the Luftabquetscheinrichtung trained Anpressspalt in order to achieve a good to very good winding quality in the almost fully wound winding roll is not always met. This is causally due to the fact that the between the almost fully wound winding roll and the Luftabquetscheinrichtung trained nip not across its width just trained, for example, due to so-called lowered Edges in the outer areas in the almost fully wound winding roll.

It So is the object of the invention, a winding machine of the beginning type to improve such that a level or approximate even nip between the almost fully wound winding roll and the Luftabquetscheinrichtung resulting in a constant or approximately constant line force curve over the width of the Anpressspalts is formed away. Effective training the plane or approximately flat Anpressspalts should thereby in the simplest possible constructive way for a total small additional space and not significantly increased purchasing and operating costs for the Luftabquetscheinrichtung done. In addition, during the winding of almost fully wound Winder with the nip at least the same winding quality as in the main winding of the winding roll with the between the carrier drum and the winding roll formed winding gap can be achieved.

These Task is in a winding machine of the type mentioned solved according to the invention that the Luftabquetscheinrichtung with the at least one Luftabquetschelement a cambered and the winding roller touching surface for the purpose of forming a flat or approximately even pressure nip between the Luftabquetscheinrichtung and the winding roll with a Line force in the range of 0.2 to 6 kN / m, preferably 0.4 to 5 kN / m, in particular from 0.5 to 4 kN / m, and that the Crowning of the winding roller touching surface the Luftabquetscheinrichtung a value in the range of 0.3 to 40 mm, preferably from 1 to 20 mm, in particular from 2 to 10 mm, accepts.

The inventive object is in this way completely solved.

By the presence of a crowning on the winding roller contacting surface of the at least one Luftabquetschelements the Luftabquetscheinrichtung is achieved effectively and reliably, that a flat or approximately flat Anpressspalts between the almost fully wound winding roll and Luftabquetscheinrichtung with the result of a constant or approximately constant line force curve across the width of the Anpressspalts is trained. And this linear force course contributes significantly to the achievement of good to very good winding quality in the almost fully wound reel.

In a first embodiment of the invention has the Luftabquetscheinrichtung as Luftabquetschelement a rigid Luftabquetschwalze with a roll diameter in the range from 200 to 1450 mm, preferably from 300 to 1000 mm, in particular from 500 to 800, up.

And in a second embodiment of the invention the Luftabquetscheinrichtung comprises as Luftabquetschelement a curved and slim air squeegee with several, preferably 2 to 10, in particular 2 to 7 or 2 to 5, immediately adjacent and cylindrical segment rollers with a segment roller diameter from 100 to 600 mm, preferably from 200 to 550 mm, in particular from 250 to 500 mm, and with a curved and segmented rollers carrying roller yoke.

moreover the roller yoke supporting the segment rollers can be adjusted Curvature for the purpose of adjusting the crowning of the winding roll contacting surface of the air squeezer exhibit. The adjustment of the curvature can, for example by a tensioning of the roller yoke at its two bearing ends respectively.

The However, the roller bearing yoke segment can also be an unchangeable Have curvature. For example, it can be constructive be set.

In a further embodiment of the invention the Luftabquetscheinrichtung comprises as Luftabquetschelement a curved and slim air squeegee with several, preferably 2 to 10, in particular 2 to 7 or 2 to 5, immediately adjacent and cylindrical segment rollers with a segment roller diameter from 150 to 400 mm, preferably from 200 to 375 mm, in particular from 220 to 350 mm, and with a flat or approximate levels, bearing the cylindrical segment rollers by means of bearing units Roll support.

moreover comprises in a fourth embodiment according to the invention the Luftabquetscheinrichtung as Luftabquetschelement a curved Brush unit with at least one brush, preferably several Brushes, and with a flat or nearly flat, the at least one brush, preferably the multiple brushes by means of bearing units carrying brush unit carrier.

And in a further embodiment of the invention the Luftabquetscheinrichtung comprises as Luftabquetschelement a curved and having a soft and friction-resistant coating Covering unit with at least one covering element, preferably several Lining elements, and with a flat or nearly even, the at least one covering, preferably the plurality of coverings by means Bearing unit bearing pad unit carrier.

The Bearing units for segment rolls, brush units and the pad units can be adjustable lengths for the purpose of adjusting the crowning of the winding roller touching Have surface of Luftabquetscheinrichtung.

In a sixth embodiment of the invention the Luftabquetscheinrichtung comprises as Luftabquetschelement a Air squeegee with one exclusively in one axial middle area on a continuous roll carrier at least in the radial direction supported roller tube, which outside of the axially central region one Bending the roller tube relative to the roller carrier permitting Distance to the roll carrier comprises.

The Roller tube and the roller carrier can for the purpose Adjustment of the crowning of the winding roller touching Surface of Luftabquetscheinrichtung at least edge be adjustable by a relative movement to each other.

And in a further embodiment of the invention the Luftabquetscheinrichtung comprises as Luftabquetschelement a soft air squeegee with a deformable lining, at least partially provided with cuts.

And the deformable coating, the Shore A hardness (according to DIN 53 505 ) between 50 and 90, preferably between 55 and 85, in particular between 60 and 80, preferably comprises a polyurethane, a rubber, a silicone, a silicone blend, a chlorosulfonated polyethylene or a rubber-based material and the support shaft is preferably one CFRP roller ("CarboTec") or a steel roller ("EvoTec"), since these lining or roller materials are outstandingly suitable for such use.

In a first preferred embodiment, the incisions on each side of a run perpendicular to the longitudinal axis of the support shaft extending median plane substantially parallel to each other and preferably have a notch width in the range of 0.3 to 1.0 mm, preferably from 0.4 to 0.8 mm, in particular from 0.5 to 0.7 mm, on. The substantially parallel course of the incisions allows an extended spreading effect in the fibrous web and the specified incision width provides the advantages of a virtually groove-free roller surface, so no longitudinal marks, no wrinkles and the like.

And In a further preferred embodiment, the incisions run on each side of a perpendicular to the longitudinal axis of the Supporting shaft extending median plane spiraling from the Center plane out to the two roll ends.

In a third preferred embodiment are on each side of one extending perpendicular to the longitudinal axis of the support shaft Center plane at least two, spaced apart helical Cuts provided.

Farther can in the second and third preferred embodiment the incisions on each side of the median plane in one area from 90 to 180 °, preferably by 90, 120 or 180 °, run mutually offset.

Further For all three embodiments, the cuts are preferred substantially parallel flanks and / or approximately in cross-section to the bottom of the incisions widening trapezoidal shape. By These measures will be the spreading effect of the Zugmesswalze trained spreader roller without much effort Not insignificantly improved.

The Luftabquetscheinrichtung is preferably substantially linear, preferably horizontally and / or vertically, or along a contour of a circle segment can be applied to the winding roll. These application movements result in the Practice regarding their regulations and moving crowds respectively Mass changes benefits.

Around In addition, the greatest possible avoidance of Air pockets between each layer of almost to reach fully wound winding roll, is the Luftabquetscheinrichtung preferably in a peripheral area, which extends from the casserole point the fibrous web on the winding roll to at least the vertical Low point of the winding roll extends, can be applied to the winding roll. Upstream and down-to-earth positions result in a loss of effectiveness with regard to the said avoidance.

From Another advantage is when training an effective range between the almost fully wound winding roll and the Luftabquetscheinrichtung the Contact pressure in the contact area due to a displacement of the air squeezing device is controllable. This will be a good, to the last wraps present winding result, that is a winding roll with a defined, uniform winding hardness the entire winding time, achieved as a fine adjustment of the Contact force between the winding roll and the Luftabquetscheinrichtung also during the final wrapping phase, in the no winding gap between the carrier drum and the almost full wound roll is more present, is possible.

Farther It is convenient if the possible Luftabquetschwalze the Luftabquetscheinrichtung by means of at least one drive device at least before, preferably during the training of the Anpressspalts with the winding roller is driven. Thus, at same peripheral speeds of Luftabquetschwalze and wound roll a gentle and almost jerk-free application of the air squeegee done to the winding roll. Also, the required drive power for the winding roll by applying the Luftabquetschwalze not negatively affected, that is increased.

all described embodiments of the invention the Luftabquetscheinrichtung has in common that they are the inventive Completely solve the problem.

The winding machine according to the invention leaves in an excellent way also in a machine for the production and / or finishing a fibrous web, in particular a paper, Cardboard or tissue web, use.

Further Features and advantages of the invention will become apparent from the following Description of a preferred embodiment below Reference to the drawing.

It demonstrate

1 an exemplary course of the line force in a formed according to the prior art between a nearly fully wound winding roll and a cylindrical Luftabquetschwalze nip;

2 a schematic side view of a winding machine according to the invention with a Luftabquetscheinrichtung during the main winding phase;

3 a schematic side view of a winding machine according to the invention with a Luftabquetscheinrichtung during Endwickelphase;

4 a schematic view of a first embodiment of a Luftabquetscheinrichtung the winding machine according to the invention;

5 an exemplary course of the line force in a formed between an almost fully wound winding roll and a cylindrical Luftabquetschwalze nip according to the winding machine according to the invention; and

6 to 10 a plurality of schematic views of further embodiments of a Luftabquetscheinrichtung the winding machine according to the invention.

The 1 shows an exemplary course of the line force LK in between an almost fully wound reel 4 and a cylindrical Luftabquetschwalze 10.0 an air squeezing device 10 trained nip 12 according to the prior art.

It can be clearly seen that the line force LK in the nip 12 is not constant or nearly constant over its width b (double arrow). It comes, for example, due to so-called lowered edges in the outer areas in the almost fully wound reel 4 , to marginal overpressures Ü.1, Ü.2, the winding quality in the almost fully wound reel 4 demonstrably adversely affect.

The 2 shows a schematic side view of a winding machine 1 for the continuous winding of a fibrous web 2 on a winding core 3 to a winding roll 4 , At the fibrous web 2 in particular, it may be a paper, board or tissue web.

The winding machine 1 includes a in professional circles as Anpresstrommel or support roller designated and partially from the fibrous web 2 entangled carrying drum 5 which is either rigidly mounted or displaceable along an imaginary and horizontal straight line G by means of a carriage or pressing device (not shown) (double arrow P1) and which is driven as a rule by a drive, not shown. The different types of storage and movement for the carrier drum 5 are particularly in the German patent application DE 198 07 897 A1 disclosed; Their content with regard to the various types of storage and movement is hereby made the subject of this description.

The winding roll 4 is guided by means of a lifting device, not shown, a movable transport device in the direction indicated by the arrow P2 movement direction. The transport device can be formed, for example, by a spindle drive which comprises a threaded spindle driven by an electric motor. The transport device serves to hold and guide the on the preferably horizontal rails ("guideway") 8th resting winding core 3 the winding roll 4 , A device for regulating the winding gap (nip) 7 line power LK during the "main winding phase" is, for example, in the already mentioned German patent application DE 198 07 897 A1 disclosed; Their content is hereby made the subject of this description. In the in 1 shown "main winding phase" is an empty hub 9 , Also referred to in professional circles as empty bobbin, by a holding device, not shown, at a distance from the carrier drum 5 held ("ready position PB").

In the lower part of the winding machine 1 is in dash-dot form an air squeezing device 10 with an air squeegee 10.1 shown, during the illustrated "main winding phase" in no operative relationship with the winding roll 4 stands. The squeegee roller 10.1 Rather, it is in a "waiting position PW" and it is preferably immediately before reaching a desired layer thickness S of the winding roll 4 and / or preferably immediately before dissolution of the carrier drum 5 and the winding roll 4 formed winding nip (nip) 7 to the winding roll 4 by means of at least one known to the expert, thus only indicated and acting on both sides movement means 11 in training a nip 12 (see. 2 ) can be applied and pressed. The squeegee roller 10.1 is for this purpose with generally known mechanisms substantially linearly (arrows), horizontally and / or vertically, or along a contour of a circular segment (arrow) movable.

The carrying drum 5 has a preferably rubberized or coated shell surface 6 on and she can temporarily, as in the 1 shown, with the winding roll 4 a winding nip 7 form.

The fibrous web 2 is led out either from a smoothing unit, not shown here or a likewise not shown here dry section of a paper or board machine, then wraps around first a spreader roller, not shown, and then runs in the direction of arrow on the lateral surface 6 the carrier drum 5 on, wraps around the lateral surface 6 the carrier drum 5 by a certain angle ("peripheral area") until it is detached by the resulting winding roll 4 , The detachment of the fibrous web 2 from the carrier drum 5 and transferring to the resulting winding roll 4 happens in the so-called winding nip 7 during the "main winding phase" between the carrier drum 5 and the winding roll 4 formed.

The 3 shows a schematic side view of a winding machine 1 with an applied and pressable Luftabquetscheinrichtung 10 with an air squeegee 10.1 during the "final winding phase".

During this "Endwickelphase" is the winding roll 4 with the transport device already described by the carrier drum 5 under dissolution of the winding nip 7 (see. 1 ) and moved away to form a free Bahnzugs. Time is then offset so far at a distance from the carrier drum 5 held empty hub 9 from the holding device, not shown, on the carrier drum 5 with the formation of a new winding nip 7 placed. With a web separation, not shown, then begins the "Anwickelphase" for the empty core 9 , wherein the winding roll 4 then no longer wound and is moved horizontally (arrow P2) in an end position PE ("reel change position").

Further, the Luftabquetschwalze 10.1 the air squeezer 10 in a peripheral area 13 which extends from the casserole 14 the fibrous web 2 on the winding roll 4 until at least the vertical low point 15 the winding roll 4 extends to the winding roll 4 applied. And when training a Anpressbereichs 16 between the winding roll 4 and the squeegee roller 10.1 is the contact force F (arrow) in the contact area 16 by a displacement of the Luftabquetschwalze 10.1 adjustable. Such a regulation belongs to the field of knowledge of the average expert and is for example in the already mentioned German patent application DE 198 07 897 A1 disclosed for a carrier drum. The squeegee roller 10.1 is while maintaining the contact pressure F (arrow) in the contact area 16 displaced. The displacement of the Luftabquetschwalze 10.1 is preferred then terminated when the winding roll 4 horizontally (arrow P2) has reached its end position PE ("Tambourwechselposition").

Also is the air squeegee 10.1 by means of at least one drive device, not shown 17 at least before, preferably also during the formation of the pressure nip 12 with the winding roll 4 drivable.

The in the two 2 and 3 illustrated Luftabquetscheinrichtung 10 with the at least one Luftabquetschelement 10.1 has a cambered and the winding roll 4 touching surface 18 for the purpose of forming a flat or approximately even pressure nip 12 between the air squeezing device 10 . 10.1 and the winding roll 4 with a line power LK in the range from 0.2 to 6 kN / m, preferably from 0.4 to 5 kN / m, in particular from 0.5 to 4 kN / m. The crowning B of the winding roll 4 touching surface 18 the air squeezer 10 . 10.1 It assumes a value in the range of 0.3 to 40 mm, preferably from 1 to 20 mm, in particular from 2 to 10 mm.

The 4 shows a schematic view of a first embodiment of a Luftabquetscheinrichtung 10 the winding machine according to the invention, but not shown 1 ,

The air squeezer 10 includes a rigid air squeegee 10:11 with a roller diameter D.10.11 in the range of 200 to 1450 mm, preferably from 300 to 1000 mm, in particular from 500 to 800.

The crown B of the winding roller touching surface 18 the air squeezer 10 . 10:11 It assumes a value in the range of 0.3 to 40 mm, preferably from 1 to 20 mm, in particular from 2 to 10 mm.

The 5 shows an exemplary course of the line force LK in between an almost fully wound reel 4 (see. 3 ) and a Luftabquetscheinrichtung 10 trained nip 12 according to the winding machine according to the invention.

It is clearly a flat or nearly flat nip 12 over its width b (double arrow) between the Luftabquetscheinrichtung 10 and the winding roll 4 with a constant or approximately constant line force LK in the range from 0.2 to 6 kN / m, preferably from 0.4 to 5 kN / m, in particular from 0.5 to 4 kN / m. Thus, an excellent winding quality in the almost fully wound reel 4 be generated.

The 6 shows a schematic view of an embodiment of the in the 4 illustrated first embodiment of the Luftabquetscheinrichtung 10 the winding machine according to the invention, but not shown 1 ,

The air squeezer 10 again has a stiff Luftabquetschwalze 10:12 but at their two ends 1.1 . 1.2 is tense. The achievable crowning B of the winding roller contacting surface 18 the air squeezer 10 . 10:12 thus assumes a value in the range of 0.3 to 40 mm, preferably from 1 to 20 mm, in particular from 2 to 10 mm.

The roll diameter D.10.12 of this stiff air squeegee roll 10:12 is again in the range of 200 to 1450 mm, preferably from 300 to 1000 mm, in particular from 500 to 800.

The 7 shows a schematic view a second embodiment of a Luftabquetscheinrichtung 10 the winding machine according to the invention, but not shown 1 ,

This air squeezer 10 includes a curved and slender air squeegee 10.2 with several, preferably 2 to 10, in particular 2 to 7 or 2 to 5, immediately adjacent and cylindrical segment rollers 19 with a segment roll diameter D.19 of 100 to 600 mm, preferably of 200 to 550 mm, in particular of 250 to 500 mm, and with a curved and the segment rolls 19 carrying roller yoke 20 ,

The crown B of the winding roller touching surface 18 the air squeezer 10 . 10.2 It assumes a value in the range of 0.3 to 40 mm, preferably from 1 to 20 mm, in particular from 2 to 10 mm.

Moreover, this can be the segment rolls 19 carrying roller yoke 20 an adjustable curvature for the purpose of setting the crowning B of the surface contacting the winding roll (roll cover) 18 the air squeezer 10 . 10.2 exhibit. The adjustment of the curvature can, for example, by a distortion of the roller yoke 20 at its two ends of the camp 1.1 . 1.2 respectively.

The 8th shows a schematic view of a third embodiment of a Luftabquetscheinrichtung 10 the winding machine according to the invention, but not shown 1 ,

This air squeezer 10 includes a curved and slender air squeegee 10.3 with several, preferably 2 to 10, in particular 2 to 7 or 2 to 5, immediately adjacent and cylindrical segment rollers 21 with a segment roller diameter D.21 of 150 to 400 mm, preferably of 200 to 375 mm, in particular of 220 to 350 mm, and with a plane or approximately flat, the cylindrical segment rollers 21 by means of storage units 23 carrying whale carrier 22 ,

The crown B of the winding roller touching surface 18 the air squeezer 10 . 10.3 It assumes a value in the range of 0.3 to 40 mm, preferably from 1 to 20 mm, in particular from 2 to 10 mm.

The illustrated Luftabquetscheinrichtung 10 may in two other, but not shown embodiments, a curved brush unit with at least one brush, preferably a plurality of brushes, and with a flat or approximately planar, the at least one brush, preferably the plurality of brushes bearing units bearing brush unit carrier or a curved and a soft and friction Covering surface covering unit comprising at least one covering element, preferably a plurality of covering elements, and with a flat or approximately planar, the at least one covering, preferably the plurality of coverings by bearing units bearing pad unit carrier.

The respective storage unit 23 may have an adjustable length L for adjusting the crown B of the surface contacting the winding roll 18 the air squeezer 10 . 10.3 exhibit. The length L may be adjustable, for example, by using shims, screws or the like.

The 9 shows a schematic view of a fourth embodiment of a Luftabquetscheinrichtung 10 the winding machine according to the invention, but not shown 1 ,

This air squeezer 10 includes an air squeegee roller 10.4 with an exclusively in an axially central region M on a continuous roll carrier 24 at least supported in the radial direction roller tube 25 , which outside the axially central region M, a bending of the roller tube 25 relative to the roller carrier 24 permitting distance A to the roll carrier 24 having.

The crown B of the winding roller touching surface 18 the air squeezer 10 . 10.4 It assumes a value in the range of 0.3 to 40 mm, preferably from 1 to 20 mm, in particular from 2 to 10 mm.

The roller tube 25 and the whale carrier 24 can for the purpose of setting the crown B of the winding roller touching surface 18 the air squeezer 10 . 10.4 be adjustable relative to each other at least at the edge by a relative movement RB (arrow).

The 10 shows a schematic view of a fifth embodiment of a Luftabquetscheinrichtung 10 the winding machine according to the invention, but not shown 1 ,

And this air squeezer 10 includes a soft squeegee roller 10.5 with a deformable coating 26 , at least in some areas with cuts 27 is provided.

The deformable coating 26 , at least in the region of its lateral surface 28 has a Shore A hardness H between 50 and 90, preferably between 55 and 85, in particular between 60 and 80, comprises a polyurethane, a rubber, a silicone, a silicone blend, a chlorosulfonated Polyethy len or a material based on rubber. The support shaft 29 is a CFRP roller or a steel roller.

The other possible embodiments of this as a soft Luftabquetschwalze 10.5 executed Luftabquetscheinrichtung 10 has already been explained above and sufficiently described by the person skilled in the art, so that reference may be made to this.

Furthermore, the winding machine according to the invention shown in the figures is suitable 1 in an excellent manner also for use in a machine for producing and / or finishing a fibrous web, in particular a paper, board or tissue web.

In summary It should be noted that a winding machine of the invention the type mentioned above is improved such that a level or Almost flat nip between the almost full Wrapped winding roll and air squeegee with the Result of a constant or approximately constant line force curve over the width of the Anpressspalts is formed away. The effective Formation of the plane or approximately flat pressure nip takes place in the simplest possible constructive manner an overall small increase in space and not noticeably increased Acquisition and operating costs for the Luftabquetscheinrichtung. In addition, while winding the almost fully wound winding roll with the Anpressspalt at least the same winding quality as in the main winding of the winding roll with the between the carrier drum and the winding roll formed winding gap reached.

1

winder

2

Fibrous web

3

winding core

4

reel

5

carrying drum

6

lateral surface

7

winding gap

8th

rail ( "Track")

9

winding core

10

Luftabquetscheinrichtung

10.0

air displacement

10.1

air displacement

10:11

stiffness air displacement

10:12

stiffness air displacement

10.2

curved and slim air squeegee

10.3

curved and slim air squeegee

10.4

air displacement

10.5

switch air displacement

11

mover

12

Anpressspalt

13

peripheral region

14

accumulating point

15

vertical low

16

pressing region

17

driving means

18

surface

19

segment role

20

Walzenjoch

21

segment role

22

roll carriers

23

storage unit

24

roll carriers

25

roll tube

26

covering

27

incision

28

lateral surface

29

support shaft

A

distance

B

crown

b

width (Double arrow)

D.10.11

Roll diameter

D.19

Segment roller diameter

D.21

Segment roller diameter

F

contact force (Arrow)

G

Just

H

Shore A hardness

L

length

L.1

bearing end

L.2

bearing end

LK

line force

M

axial middle area

P1

double arrow (Displacement)

P2

arrow (Direction of movement)

PB

"Standby position"

PE

end position ( "Reel change position")

PW

"Waiting position"

RB

relative movement (Arrow)

S

layer thickness

UE.1

About compression

UE.2

About compression

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - EP 0483092 B1 [0002]
• WO 98/52858 A1 [0002]
• - DE 19807897 A1 [0043, 0044, 0050]

Cited non-patent literature

• - DIN 53 505 [0020]

Claims (15)

Winding machine ( 1 ) for continuously winding up a fibrous web ( 2 ), in particular a paper, board or tissue web, onto a winding core ( 3 . 9 ) to a winding roll ( 4 ), with a carrying drum ( 5 ), with the winding roll ( 4 ) a winding nip ( 7 ) forms, with a at least one transport device comprehensive storage, the winding core ( 3 ) along a preferably horizontal guide track, and with at least one in the lower region of the winding machine ( 1 ) attached Luftabquetscheinrichtung ( 10 ) with at least one Luftabquetschelement, which preferably immediately before reaching a desired layer thickness (S) of the winding roll ( 4 ) and / or preferably immediately before the dissolution of the drum ( 5 ) and the winding roll ( 4 ) formed winding gap ( 7 ) to the winding roll ( 4 ) by means of at least one double-acting movement device when forming a contact pressure gap ( 12 ) can be applied, characterized in that the Luftabquetscheinrichtung ( 10 ) with the at least one Luftabquetschelement ( 10:11 ; 10:12 ; 10.2 ; 10.3 ; 10.4 ; 10.5 ) a cambered and the winding roll ( 4 ) touching surface ( 18 ) for the purpose of forming a flat or approximately even pressure nip ( 12 ) between the Luftabquetscheinrichtung ( 10 ) and the winding roll ( 4 ) having a line power (LK) in the range of 0.2 to 6 kN / m, preferably 0.4 to 5 kN / m, in particular 0.5 to 4 kN / m, and in that the crown (B) of the the winding roll ( 4 ) touching surface ( 18 ) of the air squeezing device ( 10 ) assumes a value in the range from 0.3 to 40 mm, preferably from 1 to 20 mm, in particular from 2 to 10 mm. 2nd winding machine ( 1 ) according to claim 1, characterized in that the Luftabquetscheinrichtung ( 10 ) a rigid Luftabquetschwalze ( 10:11 ) having a roll diameter (D.10.11) in the range from 200 to 1450 mm, preferably from 300 to 1000 mm, in particular from 500 to 800. Winding machine ( 1 ) according to claim 1, characterized in that the Luftabquetscheinrichtung ( 10 ) a curved and slender air squeegee ( 10.2 ) with a plurality, preferably 2 to 10, in particular 2 to 7 or 2 to 5, immediately adjacent and cylindrical segment rollers ( 19 ) having a segment roll diameter (D.19) of 100 to 600 mm, preferably of 200 to 550 mm, in particular of 250 to 500 mm, and having a curved roll and the segment rolls ( 19 ) carrying roller yoke ( 20 ). Winding machine ( 1 ) according to claim 3, characterized in that the segment rollers ( 19 ) carrying roller yoke ( 20 ) an adjustable curvature for the purpose of setting the crown (B) of the winding roll ( 4 ) touching surface ( 18 ) of the air squeezing device ( 10 ) having. Winding machine ( 1 ) according to claim 1, characterized in that the Luftabquetscheinrichtung ( 10 ) a curved and slender air squeegee ( 10.3 ) with a plurality, preferably 2 to 10, in particular 2 to 7 or 2 to 5, immediately adjacent and cylindrical segment rollers ( 21 ) having a segmented roll diameter (D.21) of 150 to 400 mm, preferably of 200 to 375 mm, in particular of 220 to 350 mm, and having a flat or approximately plane, the cylindrical segmented rolls ( 21 ) by means of storage units ( 23 ) supporting roll carrier ( 22 ). Winding machine ( 1 ) according to claim 1, characterized in that the Luftabquetscheinrichtung ( 10 ) a curved brush unit with at least one brush, preferably a plurality of brushes, and with a flat or approximately planar, the at least one brush, preferably the plurality of brushes by means of storage units ( 23 ) carrying brush unit carrier comprises. Winding machine ( 1 ) according to claim 1, characterized in that the Luftabquetscheinrichtung ( 10 ) a curved and a soft and friction-resistant coating pad unit having at least one pad element, preferably a plurality of pad elements, and having a flat or approximately even, the at least one pad, preferably the plurality of pads by means of storage units ( 23 ) bearing pad unit carrier. Winding machine ( 1 ) according to claim 5, 6 or 7, characterized in that the storage units ( 23 ) adjustable lengths (L) for adjusting the crown (B) of the winding roll ( 4 ) touching surface ( 18 ) of the air squeezing device ( 10 ) exhibit. Winding machine ( 1 ) according to claim 1, characterized in that the Luftabquetscheinrichtung ( 10 ) an air squeegee ( 10.4 ) with an exclusively in an axially central region (M) on a continuous roll carrier ( 24 ) supported at least in the radial direction roller tube ( 25 ), which outside the axially central region (M) has a bend in the roller tube (FIG. 25 ) relative to the roller carrier ( 24 ) permitting distance (A) to the roller carrier ( 24 ). Winding machine ( 1 ) according to claim 9, characterized in that the roller tube ( 24 ) and the roller carrier ( 25 ) for the purpose of setting the crowning (B) of the winding roll ( 4 ) touching surface ( 18 ) of the air squeezing device ( 10 ) are adjustable relative to each other at least at the edge by a relative movement (RB). Winding machine ( 1 ) according to claim 1, characterized in that the Luftabquetscheinrichtung ( 10 ) a soft Luftabquetschwalze ( 10.5 ) with a deformable lining ( 26 ), which at least partially with incisions ( 27 ). Winding machine ( 1 ) according to claim 11, characterized in that the deformable lining ( 26 ), which at least in the region of its lateral surface ( 28 ) has a Shore A hardness (H) between 50 and 90, preferably between 55 and 85, in particular between 60 and 80, a polyurethane, a rubber, a silicone, a silicone blend, a chlorosulfonated polyethylene or a material based on Rubber includes and that the support shaft ( 29 ) is a CFK roll or a steel roll. Winding machine ( 1 ) according to one of the preceding claims, characterized in that the Luftabquetscheinrichtung ( 10 ) substantially linear, preferably horizontal and / or vertical, or along a contour of a circle segment to the winding roll ( 4 ) can be applied. Winding machine ( 1 ) according to one of the preceding claims, characterized in that the Luftabquetscheinrichtung ( 10 ) in a peripheral region ( 13 ) extending from the casserole point ( 14 ) of the fibrous web ( 2 ) on the winding roll ( 4 ) to at least the vertical low point ( 15 ) of the winding roll ( 4 ), to the winding roll ( 4 ) can be applied. Winding machine ( 1 ) according to one of the preceding claims, characterized in that when forming a contact pressure area ( 16 ) between the winding roll ( 4 ) and the Luftabquetscheinrichtung ( 10 ) the contact pressure (F) in the contact area ( 16 ) by a displacement of the Luftabquetscheinrichtung ( 10 ) is controllable. Machine for producing and / or refining a fibrous web ( 2 ), in particular a paper, board or tissue web, characterized in that it comprises at least one winding machine ( 1 ) according to one of the preceding claims.