EP0744254A1 - Cutting device - Google Patents

Abstract

The cutting device has a cutting cylinder (8) with cutting blade (13) wherein the blade at least during the cutting process is mounted to execute a cutting movement running approximately radial relative to a rotary axis (7) of the counter cylinder (4). The cutting cylinder support (3) rotates at one speed (n3) and the cutting cylinder (8) mounted on same and having at least one cutter (13) rotates at a speed (n8) in opposite direction. The speed (n8) of the cylinder corresponds to the sum of the speeds of the cylinder support and counter cylinder.

Description

The invention relates to a cutting device for cross-cutting running webs, in particular in a folder arranged downstream of a rotary printing press, according to the preamble of claim 1.

EP 03 64 864 A2 describes a cutting device in a folder of a rotary printing press. Here, a cutting cylinder provided with two cutting knives interacts with a collecting cylinder having three cutting strips. While cutting a web into arcs, the respective cutting knife dips into the corresponding cutting bar.

A disadvantage of this cutting device is that the cutting knives perform cycloid-like movements in the cutting strips, whereby the z. B. existing elastic plastic cutting strips are subject to high wear.

The invention has for its object to provide a cutting device for cross-cutting of running webs, in which wear of a cutting bar and bending forces and cutting forces acting on a cutting knife in the web running direction are minimized.

This object is achieved by the features of the characterizing part of claim 1.

The advantages that can be achieved with the invention consist in particular in that relative movements of the cutting knives with respect to the cutting strips approximately perpendicular to the cutting movement are largely avoided. As a result, bending stresses and cutting forces acting on the cutting knives and the flexing movements in and on the cutting strips are reduced. The cutting movement occurring along a straight line in relation to an opposing cylinder minimizes the notching movements of the cutting knives in the cutting strips which occur in the prior art. This cutting movement produces a higher cut quality because the cut of the web does not tear out.
Thanks to the optimized cutting movement, it is possible to dive deeper into the cutting bars compared to the prior art with the cutting blades. Thus, cutting knives can be used in the cutting device according to the invention, the knife edge of which is not equidistant from the axis of rotation of the cutting cylinder, such as. B. wedge-shaped, V-shaped or arrow-shaped cutting knife. The result of this is that the very large cutting forces which have so far occurred abruptly are substantially reduced. This makes it possible to use thicker sheets or to cut more layers of webs and to achieve higher production speeds. In addition, the load on the cutting device caused by vibrations is reduced.
In addition, the maintenance cycle for replacing the cutting blades is extended when using rotating cutting cylinders with several cutting blades, since the number of cutting blades increases the number of cuts that can be achieved per maintenance cycle.

The cutting device according to the invention is shown in the drawing and is described in more detail below.

Fig. 1

eine schematische Seitenansicht einer erfindungsgemäßen Schneidvorrichtung;

Fig. 2

einen schematischen Schnitt der erfindungsgemäßen Schneidvorrichtung;

Fig. 3

einen vergrößerten Ausschnitt in schematischer Darstellung eines Bewegungsablaufes während eines Schneidvorgangs entsprechend Fig.1;

Fig. 4 bis Fig. 13

schematische Seitenansichten weiterer Ausführungsbeispiele der erfindungsgemäßen Schneidvorrichtung.

Show it

Fig. 1

a schematic side view of a cutting device according to the invention;

Fig. 2

a schematic section of the cutting device according to the invention;

Fig. 3

an enlarged detail in a schematic representation of a sequence of movements during a cutting operation corresponding to Figure 1;

4 to 13

schematic side views of further embodiments of the cutting device according to the invention.

In side frames 1, 2, for example, of a folder of a rotary printing press, a cutting cylinder support 3 and a collecting cylinder 4 are rotatably supported about their parallel axes of rotation 6, 7. In the present first exemplary embodiment (FIGS. 1-3), the cutting cylinder carrier 3 is provided with two rotatable cutting cylinders 8, 9, the axes of rotation 11, 12 of which are offset by 180 °, concentrically in a radius r3, z. B. r3 = 300 mm, are arranged to the axis of rotation 6 of the cutting cylinder carrier 3. The cutting cylinder carrier 3 rotates in the same direction as the collecting cylinder 4 during a cutting operation. The cutting cylinders 8, 9 rotate in opposite directions to the collecting cylinder 4 during a cutting operation. In each of these cutting cylinders 8, 9, three cutting knives 13 are fastened which run parallel to their axis of rotation 11, 12 and which rotate around each other 120 ° offset and the knife edges 14 in a radius r13, z. B. r13 = 150 mm, are arranged concentrically to the axis of rotation 11, 12 of the respective cutting cylinder 8, 9.

The collecting cylinder 4 serves as a counter cylinder for the cutting cylinders 8, 9 and is therefore provided with cutting bars 16 which are fixed to the cylinder. Three 120 ° offset cutting strips 16 are congruent with a lateral surface 17 of the collecting cylinder 4 with a radius r4, z. B. r4 = 300 mm, concentric to the axis of rotation 7 of the Collection cylinder 4 introduced immovably. The cutting cylinders 8, 9 are driven by means of a planetary gear from a main drive gear train. The collecting cylinder 4 has a gear 18 with a number of teeth z18, z. B. z18 = 132, which is driven by a drive, not shown. In this gear 18 of the collecting cylinder 4 engages an intermediate gear 19 mounted in the side frame 1 with the number of teeth z19, z. B. z19 = 64, for driving the cutting cylinder carrier 3, which in turn with a second, in the side frame 1 mounted intermediate gear 21 with a number of teeth z21, z. B. z21 = 64 interacts. This intermediate gear 21 rolls with a gear 22 with a number of teeth z22, eg z22 = 88, of the cutting cylinder carrier 3, whereby the cutting cylinder carrier 3 rotates at the speed n3. With the intermediate gear 21, a gear 23 with a number of teeth z23, z. B. z23 = 39, connected in a concentrically to the axis of rotation 6 of the cutting cylinder support 3 freely rotatably mounted gear 24 with a number of teeth z24, z. B. z24 = 33 intervenes. With this gear 24 is an externally toothed sun gear 26 with a number of teeth z26, z. B. z26 = 96, in which a planet gear 27 with a number of teeth z27, z. B. z27 = 36, the respective cutting cylinder 8, 9 combs.

, betragen. Um eine annähernd radiale Ausrichtung der Schneidmesser 13 bezüglich des Sammelzylinders 4 während des Schneidens zu erhalten, beträgt eine Drehzahl n8 der Schneidzylinder 8, 9 eine Summe aus einem Betrag der Drehzahl n3 des Schneidzylinderträgers 3 und aus einem Betrag der Drehzahl n4 des Sammelzylinders 4, d. h. $\text{n8 = |n3| + |n4|}$

. Mit den ausgeführten Radien r3, r4 und r13 ergibt sich eine annähernd gleiche Umfangsgeschwindigkeit von Schneidmesser 13 und Schneidleiste 14 während des Schneidens.
Eine Bahn 28, z.B. Papierbahn, Folienbahn oder Textilbahn wird auf dem Sammelzylinder 4 geführt und mittels der Schneidmesser 13 und Schneidleisten 16 in Signaturen geschnitten. Hierzu drehen die Schneidzylinder 8, 9 und damit die Schneidmesser 13 um ihre jeweilige Drehachse 11, 12. Diese Drehbewegung wird mittels des beschriebenen Antriebes derart ausgeführt, daß das jeweilige am aktuellen Schneidvorgang beteiligte Schneidmesser 13 von Beginn bis Ende des Schneidvorganges, d. h. von Auftreffen auf die Bahn 28 bis Abheben von der Bahn 28, eine annähernd radiale auf die Drehachse 7 des Sammelzylinders 4 ausgerichtete Bewegung ausführt. Diese annähernd radiale Bewegung weist einen kleinen, parallelen Versatz von der idealen radialen Richtung auf, wobei dieser Versatz durch Variation von den Radien r3, r4 und r13 minimiert werden kann. Dabei bewegen sich sowohl das betreffende Schneidmesser 13 als auch die entsprechende Schneidleiste 14 mit annähernd Bahngeschwindigkeit. Wie aus Fig. 3 ersichtlich bewegt sich das Schneidmesser 13 radial auf den Sammelzylinder 4 zu, durchtrennt die Bahn 28 und dringt in die Schneidleiste 16 ein. In dieser tiefsten Stellung des Schneidmessers 13 in der Schneidleiste 16 liegen die Drehachsen 6, 7, 11 und 12 sowie das Schneidmesser 13 auf einer gemeinsamen Geraden. Dort ist eine Radialgeschwindigkeit des Schneidmessers 13 null und die Aushubbewegung des Schneidmessers 13 beginnt. Die Aushubbewegung des Schneidmessers 13 erfolgt ebenfalls radial bezüglich des Sammelzylinders 4.The cutting strips 16 of the collecting cylinder 4 interact with the cutting knives 13 of the two cutting cylinders 8, 9. Therefore a speed n3 of Cutting cylinder carrier 3 1.5 times a speed n4 of the collecting cylinder 4, that is $\text{n3 = 1.5 x n4}$

, amount. In order to obtain an approximately radial alignment of the cutting knives 13 with respect to the collecting cylinder 4 during the cutting, a speed n8 of the cutting cylinders 8, 9 is a sum of an amount of the speed n3 of the cutting cylinder carrier 3 and an amount of the speed n4 of the collecting cylinder 4, ie $\text{n8 = | n3 | + | n4 |}$

. With the radii r3, r4 and r13 carried out, there is approximately the same circumferential speed of the cutting knife 13 and cutting bar 14 during cutting.
A web 28, for example paper web, film web or textile web, is guided on the collecting cylinder 4 and cut into signatures by means of the cutting knives 13 and cutting strips 16. For this purpose, the cutting cylinders 8, 9 and thus the cutting knives 13 rotate about their respective axes of rotation 11, 12. This rotary movement is carried out by means of the drive described in such a way that the respective cutting knife 13 involved in the current cutting process from the beginning to the end of the cutting process, ie from impact the web 28 to lift off the web 28, executes an approximately radial movement aligned with the axis of rotation 7 of the collecting cylinder 4. This approximately radial movement has a small, parallel offset from the ideal radial direction, this offset being able to be minimized by varying the radii r3, r4 and r13. Both the relevant move Cutting knife 13 as well as the corresponding cutting bar 14 with approximately web speed. As can be seen from FIG. 3, the cutting knife 13 moves radially towards the collecting cylinder 4, cuts through the web 28 and penetrates into the cutting bar 16. In this lowest position of the cutting knife 13 in the cutting bar 16, the axes of rotation 6, 7, 11 and 12 and the cutting knife 13 lie on a common straight line. There, a radial speed of the cutting knife 13 is zero and the excavation movement of the cutting knife 13 begins. The excavating movement of the cutting knife 13 also takes place radially with respect to the collecting cylinder 4.

einen einzigen Schneidzylinder 8 auf, der mit der Drehzahl $\text{n8 = 4 x n4}$

rotiert und an dem drei Schneidmesser 13 befestigt sind. Die Schneidmesser 13 sind im Radius $\text{r13 = 0,5 x r4}$

zur Drehachse 11 des Schneidzylinders 8 angeordnet. Der Schneidzylinderträger 3 dreht mit der Drehzahl n3, die der dreifachen Drehzahl n4 des Sammelzylinders 4 entspricht, d. h. $\text{n3 = 3 x n4}$

.Fig. 4 shows a second embodiment of the cutting device according to the invention in which the collecting cylinder 4 is provided with three cutting strips 16. The cutting cylinder carrier 3 has a radius $\text{r3 = 0.5 x r4}$

a single cutting cylinder 8 on the speed $\text{n8 = 4 x n4}$

rotates and on which three cutting knives 13 are attached. The cutting knives 13 are in the radius $\text{r13 = 0.5 x r4}$

arranged to the axis of rotation 11 of the cutting cylinder 8. The cutting cylinder carrier 3 rotates at the speed n3, which corresponds to three times the speed n4 of the collecting cylinder 4, ie $\text{n3 = 3 x n4}$

.

drei Schneidzylinder 8 auf, die mit der Drehzahl $\text{n8 = 2 x n4}$

rotieren und an denen jeweils ein Schneidmesser 13 befestigt ist. Das Schneidmesser 13 ist im Radius $\text{r13 = 0,5 x r4}$

zur Drehachse 11 des Schneidzylinders 8 angeordnet. Der Schneidzylinderträger 3 dreht mit der Drehzahl n3, die gleich der Drehzahl n4 des Sammelzylinders 4 ist, d. h. n3 = n4.Fig. 5 shows a third embodiment of the cutting device according to the invention in which the collecting cylinder 4 is provided with three cutting bars 16 is. The cutting cylinder carrier 3 has a radius $\text{r3 = 1.5 x r4}$

three cutting cylinders 8 on the speed $\text{n8 = 2 x n4}$

rotate and to which a cutting knife 13 is attached. The cutting knife 13 is in the radius $\text{r13 = 0.5 x r4}$

arranged to the axis of rotation 11 of the cutting cylinder 8. The cutting cylinder carrier 3 rotates at the speed n3, which is the same as the speed n4 of the collecting cylinder 4, ie n3 = n4.

vier Schneidzylinder 8 auf, die mit der Drehzahl $\text{n8 = 1,75 x n4}$

rotieren und an denen jeweils drei Schneidmesser 13 befestigt sind. Die Schneidmesser 13 sind im Radius $\text{r13 = 0,5 x r4}$

zur Drehachse 11 der Schneidzylinder 8 angeordnet. Der Schneidzylinderträger 3 dreht mit der Drehzahl n3, die drei Viertel der Drehzahl n4 des Sammelzylinders 4 beträgt, d. h. $\text{n3 = 3/4 x n4}$

.6 shows a fourth exemplary embodiment of the cutting device according to the invention in which the collecting cylinder 4 is provided with three cutting strips 16. The cutting cylinder carrier 3 has a radius $\text{r3 = 2 x r4}$

four cutting cylinders 8 on the speed $\text{n8 = 1.75 x n4}$

rotate and to which three cutting knives 13 are attached. The cutting knives 13 are in the radius $\text{r13 = 0.5 x r4}$

arranged to the axis of rotation 11 of the cutting cylinder 8. The cutting cylinder carrier 3 rotates at the speed n3, which is three quarters of the speed n4 of the collecting cylinder 4, ie $\text{n3 = 3/4 x n4}$

.

drei Schneidzylinder 8 auf, die mit der Drehzahl $\text{n8 = 3 x n4}$

rotieren und an denen jeweils ein Schneidmesser 13 befestigt ist. Das Schneidmesser 13 ist im Radius $\text{r13 = 0,5 x r4}$

zur Drehachse 11 des Schneidzylinders angeordnet. Der Schneidzylinderträger 3 dreht mit der Drehzahl n3, die gleich der doppelten Drehzahl n4 des Sammelzylinders 4 ist, d. h. $\text{n3 = 2 x n4}$

.Fig. 7 shows a fifth embodiment of the cutting device according to the invention in which the collecting cylinder 4 is provided with three cutting strips 16. The cutting cylinder carrier 3 has a radius $\text{r3 = 0.75 x r4}$

three cutting cylinders 8 on the speed $\text{n8 = 3 x n4}$

rotate and to which a cutting knife 13 is attached. The cutting knife 13 is in the radius $\text{r13 = 0.5 x r4}$

arranged to the axis of rotation 11 of the cutting cylinder. The cutting cylinder carrier 3 rotates at the speed n3, which is equal to twice the speed n4 of the collecting cylinder 4, ie $\text{n3 = 2 x n4}$

.

zwei Schneidzylinder 8 auf, die mit der Drehzahl $\text{n8 = 7/2 x n4}$

rotieren und an denen jeweils fünf Schneidmesser 13 befestigt sind. Die Schneidmesser 13 sind im Radius $\text{r13 = 0,5 x r4}$

zur Drehachse 11 der Schneidzylinder 8 angeordnet. Der Schneidzylinderträger 3 dreht mit der Drehzahl n3, die fünf Halbe der Drehzahl n4 des Sammelzylinders 4 beträgt, d. h. $\text{n3 = 5/2 x n4}$

.Fig. 8 shows a sixth embodiment of the cutting device according to the invention in which the collecting cylinder 4 is provided with five cutting strips 16. The cutting cylinder carrier 3 has a radius $\text{r3 = 3/5 x r4}$

two cutting cylinders 8 on the speed $\text{n8 = 7/2 x n4}$

rotate and to which five cutting knives 13 are attached. The cutting knives 13 are in the radius $\text{r13 = 0.5 x r4}$

arranged to the axis of rotation 11 of the cutting cylinder 8. The cutting cylinder carrier 3 rotates at the speed n3, which is five halves of the speed n4 of the collecting cylinder 4, ie $\text{n3 = 5/2 x n4}$

.

drei Schneidzylinder 8 auf, die mit der Drehzahl $\text{n8 = 8/3 x n4}$

rotieren und an denen jeweils fünf Schneidmesser 13 befestigt sind. Die Schneidmesser 13 sind im Radius $\text{r13 = 0,5 x r4}$

zur Drehachse 11 der Schneidzylinder 8 angeordnet. Der Schneidzylinderträger 3 dreht mit der Drehzahl n3, die fünf Drittel der Drehzahl n4 des Sammelzylinders 4 beträgt, d. h. $\text{n3 = 5/3 x n4}$

.Fig. 9 shows a seventh embodiment of the collecting cylinder 4 is provided with five cutting strips 16. The cutting cylinder carrier 3 has a radius $\text{r3 = 0.9 x r4}$

three cutting cylinders 8 on the speed $\text{n8 = 8/3 x n4}$

rotate and to which five cutting knives 13 are attached. The cutting knives 13 are in the radius $\text{r13 = 0.5 x r4}$

arranged to the axis of rotation 11 of the cutting cylinder 8. The cutting cylinder carrier 3 rotates at the speed n3, which is five thirds of the speed n4 of the collecting cylinder 4, ie $\text{n3 = 5/3 x n4}$

.

vier Schneidzylinder 8 auf, die mit der Drehzahl $\text{n8 = 9/4 x n4}$

rotieren und an denen jeweils fünf Schneidmesser 13 befestigt sind. Die Schneidmesser 13 sind im Radius $\text{r13 = 0,5 x r4}$

zur Drehachse 11 der Schneidzylinder 8 angeordnet. Der Schneidzylinderträger 3 dreht mit der Drehzahl n3, die fünf Viertel der Drehzahl n4 des Sammelzylinders 4 beträgt, d. h. $\text{n3 = 5/4 x n4}$

.10 shows an eighth exemplary embodiment of the cutting device according to the invention in which the collecting cylinder 4 is provided with five cutting strips 16. The cutting cylinder carrier 3 has a radius $\text{r3 = 6/5 x r4}$

four cutting cylinders 8 on the speed $\text{n8 = 9/4 x n4}$

rotate and to which five cutting knives 13 are attached. The cutting knives 13 are in the radius $\text{r13 = 0.5 x r4}$

arranged to the axis of rotation 11 of the cutting cylinder 8. The cutting cylinder carrier 3 rotates at the speed n3, which is five quarters of the speed n4 of the collecting cylinder 4, ie $\text{n3 = 5/4 x n4}$

.

fünf Schneidzylinder 8 auf, die mit der Drehzahl $\text{n8 = 2 x n4}$

rotieren und an denen jeweils ein Schneidmesser 13 befestigt ist. Das Schneidmesser 13 ist im Radius $\text{r13 = 0,5 x r4}$

zur Drehachse 11 der Schneidzylinder 8 angeordnet. Der Schneidzylinderträger 3 dreht mit der Drehzahl n3, die gleich der Drehzahl n4 des Sammelzylinders 4 ist, d. h. $\text{n3 = n4}$

.FIG. 11 shows a ninth exemplary embodiment of the cutting device according to the invention in which the collecting cylinder 4 is provided with five cutting strips 16. The cutting cylinder carrier 3 has a radius $\text{r3 = 1.5 x r4}$

five cutting cylinders 8 on the speed $\text{n8 = 2 x n4}$

rotate and to which a cutting knife 13 is attached. The cutting knife 13 is in the radius $\text{r13 = 0.5 x r4}$

arranged to the axis of rotation 11 of the cutting cylinder 8. The cutting cylinder carrier 3 rotates at the speed n3, which is equal to the speed n4 of the collecting cylinder 4, ie $\text{n3 = n4}$

.

fünf Schneidzylinder 8 auf, die mit der Drehzahl $\text{n8 = 3 x n4}$

rotieren und an denen jeweils ein Schneidmesser 13 befestigt ist. Das Schneidmesser 13 ist im Radius $\text{r13 = 1/3 x r4}$

zur Drehachse 11 der Schneidzylinder 8 angeordnet. Der Schneidzylinderträger 3 dreht mit der Drehzahl n3, die der doppelten Drehzahl n4 des Sammelzylinders 4 entspricht, d. h. $\text{n3 = 2 x n4}$

.12 shows a tenth embodiment of the cutting device according to the invention in which the collecting cylinder 4 is provided with five cutting strips 16 is. The cutting cylinder carrier 3 has a radius $\text{r3 = 2/3 x r4}$

five cutting cylinders 8 on the speed $\text{n8 = 3 x n4}$

rotate and to which a cutting knife 13 is attached. The cutting knife 13 is in the radius $\text{r13 = 1/3 x r4}$

arranged to the axis of rotation 11 of the cutting cylinder 8. The cutting cylinder carrier 3 rotates at the speed n3, which corresponds to twice the speed n4 of the collecting cylinder 4, ie $\text{n3 = 2 x n4}$

.

drei Schneidzylinder 8 auf, die mit der Drehzahl $\text{n8 = 10/3 x n4}$

rotieren und an denen jeweils sieben Schneidmesser 13 befestigt sind. Die Schneidmesser 13 sind im Radius $\text{r13 = 0,5 x r4}$

zur Drehachse 11 der Schneidzylinder 8 angeordnet. Der Schneidzylinderträger 3 dreht mit der Drehzahl n3, die sieben Drittel der Drehzahl n4 des Sammelzylinders 4 beträgt, d. h. $\text{n3 = 7/3 x n4}$

.13 shows an eleventh embodiment of the cutting device according to the invention in which the collecting cylinder 4 is provided with seven cutting bars 16. The cutting cylinder carrier 3 has a radius $\text{r3 = 9/14 x r4}$

three cutting cylinders 8 on the speed $\text{n8 = 10/3 x n4}$

rotate and to which seven cutting knives 13 are attached. The cutting knives 13 are in the radius $\text{r13 = 0.5 x r4}$

arranged to the axis of rotation 11 of the cutting cylinder 8. The cutting cylinder carrier 3 rotates at the speed n3, which is seven thirds of the speed n4 of the collecting cylinder 4, ie $\text{n3 = 7/3 x n4}$

.

To carry out the rotary movement of the cutting cylinders 8, 9, other drives can be used instead of the planetary gear described. For example, it is conceivable to directly rotate the cutting cylinders 8, 9 by means of electric or hydraulic motors synchronized with the cutting cylinder carrier 3.
It is also possible to use the cutting cylinder 8 instead of the Rotational movement only to perform an oscillating pivoting movement about the axis of rotation 11 of the cutting cylinder 8. Cam gears or crank gears are suitable here. In the case of cam gears, at least one cam which is stationary with respect to the side frame 1 is provided, which, by means of a lever arm connected to the cutting cylinder 8, the cam roller of which rolls on the cam, generates the necessary swiveling movement opposite to the direction of web travel and the return movement after the cut has been made.

Parts list

1

Side frame

2nd

Side frame

3rd

Cutting cylinder holder

4th

Collecting cylinder

5

-

6

Axis of rotation (3)

7

Axis of rotation (4)

8th

Cutting cylinder

9

Cutting cylinder

10th

-

11

Axis of rotation (8)

12th

Axis of rotation (9)

13

Cutting knife

14

Knife edge

15

-

16

Cutting bar

17th

Lateral surface

18th

gear

19th

Idler gear

20th

-

21

Idler gear

22

Gear (3)

23

gear

24th

gear

25th

-

26

Sun gear

27

Planet gear

28

train

n3

rotational speed

n4

rotational speed

n8

rotational speed

r3

radius

r4

radius

r13

radius

z18

Number of teeth

z19

Number of teeth

z21

Number of teeth

z22

Number of teeth

z23

Number of teeth

z24

Number of teeth

z26

Number of teeth

z27

Number of teeth

Claims (18)

Cutting device for cross cutting of running webs (28), in particular in a folder arranged downstream of a rotary printing press, with a cutting cylinder (8) provided with a cutting knife (13), which with a counter cylinder (4) provided with cutting strips (16), e.g. B. a collecting cylinder (4), is arranged cooperatively, characterized in that the cutting knife (13) involved in a current cutting process is arranged at least during the cutting process to execute an approximately radially extending cutting movement with respect to an axis of rotation (7) of the counter-cylinder (4). Cutting device according to claim 1, characterized in that a cutting cylinder carrier (3) rotating at a speed (n3) is provided, that on the cutting cylinder carrier (3) at least one cutting cylinder (3) rotating at a speed (n8) and provided with at least one cutting knife (13) 8) is arranged, the cutting cylinder carrier (3) and cutting cylinder (8) having opposite directions of rotation. Cutting device according to claims 1 and 2, characterized in that the speed (n8) of the cutting cylinder (8) is a sum of the amounts of the speeds (n3; n4) of the cutting cylinder carrier (3) and Counter cylinder (4) corresponds, ie $\text{n8 = | n3 | + | n4 |}$

. Cutting device according to claims 1 to 3, characterized in that a planetary gear is provided for driving the cutting cylinder (8). Cutting device according to claims 1 to 3, characterized in that an electric motor is provided for driving the cutting cylinder (8). Cutting device according to claim 1, characterized in that the cutting cylinder carrier (3) is arranged in a rotating manner and that the cutting cylinder (8) is arranged on the cutting cylinder carrier (3) in an executing manner in an oscillating pivoting movement. Cutting device according to claims 1 and 6, characterized in that a cam mechanism is provided for driving the cutting cylinder (8). Cutting device according to claims 1 and 6, characterized in that a crank mechanism is provided for driving the cutting cylinder (8). Cutting device according to claim 1, characterized in that a collecting cylinder (4) having three cutting strips (16) is arranged to cooperate with a cutting cylinder carrier (3) having two cutting cylinders (8) and in that each Cutting cylinder (8) is provided with three cutting knives (13). Cutting device according to claim 1, characterized in that a collecting cylinder (4) having three cutting strips (16) is arranged to cooperate with a cutting cylinder support (3) having a cutting cylinder (8) and in that the cutting cylinder (8) is provided with three cutting knives (13) . Cutting device according to claim 1, characterized in that a collecting cylinder (4) having three cutting strips (16) is arranged to cooperate with a cutting cylinder carrier (3) having three cutting cylinders (8) and that each cutting cylinder (8) is provided with a cutting knife (13) . Cutting device according to claim 1, characterized in that a collecting cylinder (4) having three cutting strips (16) is arranged to cooperate with a cutting cylinder support (3) having four cutting cylinders (8) and that each cutting cylinder (8) is provided with three cutting knives (13) . Cutting device according to claim 1, characterized in that a three cutting strips (16) The collecting cylinder (4) is arranged to cooperate with a cutting cylinder carrier (3) having three cutting cylinders (8) and that each cutting cylinder (8) is provided with a cutting knife (13). Cutting device according to claim 1, characterized in that a collecting cylinder (4) having five cutting strips (16) is arranged to cooperate with a cutting cylinder carrier (3) having two cutting cylinders (8) and in that each cutting cylinder (8) is provided with five cutting knives (13) . Cutting device according to claim 1, characterized in that a collecting cylinder (4) having five cutting strips (16) is arranged to cooperate with a cutting cylinder carrier (3) having three cutting cylinders (8) and in that each cutting cylinder (8) is provided with five cutting knives (13) . Cutting device according to claim 1, characterized in that a collecting cylinder (4) having five cutting strips (16) is arranged to cooperate with a cutting cylinder carrier (3) having four cutting cylinders (8) and in that each cutting cylinder (8) is provided with five cutting knives (13) . Cutting device according to claim 1, characterized in that a collecting cylinder (4) having five cutting strips (16) is arranged to cooperate with a cutting cylinder support (3) having five cutting cylinders (8) and in that each cutting cylinder (8) is provided with a cutting knife (13) . Cutting device according to claim 1, characterized in that a collecting cylinder (4) having seven cutting strips (16) is arranged to cooperate with a cutting cylinder carrier (3) having three cutting cylinders (8) and in that each cutting cylinder (8) is provided with seven cutting knives (13) .

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