EP3025862B1 - Folders arranged on top of one another - Google Patents

Description

The invention relates to a folding structure of a web press, which consists of a first and a second funnel plane, wherein each of the two funnel planes each comprise at least one former and the second funnel plane is arranged above the first funnel plane.

In web-fed presses, folding structures are used, in which one or more webs, which are brought into contact with each other in a so-called turning unit in the orientation required for a specific production, prior to the folding structure. Optionally, one or more webs are also cut at one or more positions across the web width in the transport direction of the web. By means of a cut in the longitudinal direction, a printing material web, which is hereinafter referred to merely as a web, is thus subdivided into a plurality of partial webs. One or more superimposed webs are guided in the folding structure via a former, with which the one or more superposed webs is centrally or eccentrically provided with a running in the transport direction of the web longitudinal fold or are. If a web is cut into adjacent sub-webs in the area of the funnel edges, these sub-webs lying next to one another are generally guided over the same number of juxtaposed web formers. These juxtaposed former have either a fixed width or are adjustable transversely to the transport direction of the web. The in one plane juxtaposed former form a funnel plane, which may also consist of a single former.

If different webs of different widths are to be cut out of a web for different productions, then either the formers must be able to travel transversely relative to one another so that the funnel centers running through the funnel tips are approximately at the center line of the part webs, or several layers of funnels can be fed from one or more folders used side-by-side formers, wherein the former of the different hopper levels have different funnel widths. The former of a funnel plane can also be adjusted together or in relation to each other across the incline, so that the position of the longitudinally folded strands can be varied.

For example, describes the DE 10 2008 054 953 A1 a folding structure with multiple lying in a hopper level formers in which at least one former can be moved to adapt to a variable web or web width across the direction of web travel.

The DE 10 2008 044 091 A1 teaches a funnel plane in which the funnels can be offset from each other along the funnel slope.

In the DE 42 04 254 A1 discloses a folding structure in which partial webs stacked formers are fed, the formers can be moved in a plane and transversely to each other.

The EP 17 81 562 B1 discloses a folding structure with a plurality of stacked funnel planes, wherein the formers of the different funnel planes have different widths in order to be able to process different web widths.

From the DE 10 2004 05 890 B4 is a Falzaufbau be found in which differently wide funnels are arranged in several levels one above the other, so that so that different widths webs or partial webs can be moved over the former.

The WO 97/17200 A2 discloses the folding structure of a web press with movable Längsfalztrichtern, wherein the juxtaposed in the horizontal direction Längsfalztrichter are arranged offset from one another in the vertical direction and wherein each hopper having a separate guide roller and separate hopper folding rollers.

Thus, only folding structures are known from the prior art, in which a plurality of funnel planes is arranged one above the other, so that differently wide webs or partial webs can be folded.

However, all known from the prior art Falzaufbauten have the common feature that each funnel plane is preceded by a separate funnel roller over which the incoming web or partial web is guided and deflected. It is irrelevant whether this funnel roller is driven by a motor or dragged along by friction with the track.

However, such a configuration has the disadvantage that for an additional funnel plane thus a high additional space is required in particular in the vertical direction, as in such funnel planes, each having a separate funnel roller, a relatively large amount of space to ensure accessibility and operability, the drive or Verstellkomponenten or to ensure the machine safety is required, even if in many applications only one of the several stacked funnel planes is in operation.

If a folding structure with reduced space requirement, for example, due to the given building height can be realized, but still has a plurality of funnel planes, for example, with different widths or differently inclined or shaped funnels for different types of substrates, so this is not possible with the known Falzaufbauten.

Also in the case of retrofitting of one or more formers with, for example, different width compared to the existing formers To increase the web width variability or different hopper geometry and / or inclination is a solution according to the prior art either extremely expensive and thus costly, or this is not possible due to the space available and this particular due to height limitations of the building.

The invention is therefore an object of the invention to provide a solution with which the required space and the mechanical engineering effort for an additional funnel plane, which consists of one or more juxtaposed formers can be significantly reduced.

The object is achieved by a device according to claim 1. The folding structure according to the invention of a web press consists of a first hopper level and a second hopper level, wherein the first hopper level and the second hopper level each comprise at least one former, and wherein the second hopper level is disposed above the first former level, and wherein an incoming web or part web either can be guided on at least one former of the first funnel plane and / or the second funnel plane, wherein the web or sub-web is fed to the at least one former of the first funnel plane and the at least one former of the second funnel plane by means of only one funnel roller, the second funnel plane perpendicular to the funnel plate a former of the first hopper plane is spaced.

The invention has the advantage that a significantly smaller space, in particular a significantly lower height is required for the folding structure according to the invention. Furthermore, this also requires less material, because not only the funnel roller along with its drive omitted, but also eliminates the required side wall portions, gallery levels and other peripheral components.

In an advantageous embodiment, the second funnel plane has a different funnel pitch than the first funnel plane. The inclination of the second funnel plane is generally flatter than the inclination of the first funnel plane. Thus, the at least one former of the second former chamber can be made tangent to the hopper roll at the inlet side of the hopper, so that there is still a sufficiently large vertical distance of the hopper nose of the at least one former of the first hopper level to the hopper nose of the at least one former of the second hopper level. This variant also has the advantage that the second funnel plane can be pivoted upwards about a pivot point in the area of the funnel roller so that the first funnel plane disposed below the second funnel plane is freely accessible for retraction, set-up or maintenance operations.

In a particularly advantageous embodiment, the first funnel plane has the same number of formers as the second funnel plane. This has the advantage that an example four-page-wide machine produces a first web width, for example, the maximum possible web width on the first funnel plane, provided that the funnels of the first funnel plane have the width required for this purpose, of which, however, due to the design of the plant on a correspondingly large web width is likely to be assumed. If the former of the second hopper level has a smaller width than the former of the second hopper level, the press may also be operated with a four-page wide web, although this may reduce the web width and thus the width of the printed pages. This is Although with the known from the prior art solutions also possible, but this is a much higher Falzaufbau required, which makes, for example, retrofitting considerably more difficult.

In a further particularly advantageous embodiment, the number of former in the first hopper level deviates from the number of former of the second hopper level. Thus, either the number of former of the first hopper level can be greater or smaller than the number of former of the second hopper level, depending on how the different productions are to be designed. Thus, for example, the first funnel plane contain two juxtaposed former, but the second funnel plane can only consist of a former. Thus, in a four-side-wide machine in the first variant, two two-side-wide partial webs can be produced via two former of the first hopper level. With the same or a reduced web width can then be produced on the example wider wrapper of the second hopper level, for example, when the second production variant, a so-called commercial production is produced in which usually a four-page-wide web is produced via only one former ,

However, it is also possible, for example, in a first production to divide a four-page-wide web into two two-page-wide sub-webs, and to guide them over the two former of the first hopper level, whereas in a second production the web, for example in three two-page-wide partial webs is divided, in which case the first page width is greater than the second page width. These three partial webs can then be produced via three formers of the second funnel plane, wherein the width of the former of the second funnel plane is smaller than the width of the former of the first funnel plane.

Fig. 1:

einen Falzaufbau mit zwei Trichterebenen mit unterschiedlich breiten Trichtern je Trichterebene gemäß dem Stand der Technik

Fig. 2:

einen Falzaufbau mit zwei Trichterebenen mit unterschiedlich breiten Trichtern je Trichterebene

Fig. 3:

detaillierte Seitenansicht eines Falzaufbaus

Fig. 4:

einen Falzaufbau mit abgeschwenkter zweiter Trichterebene

Fig. 5:

einen Falzaufbau mit zwei Trichterebenen und Ableitzunge

Fig. 6:

einen Falzaufbau mit zwei Trichterebenen, Leitblech und Ableitzunge

Fig. 7:

einen Falzaufbau mit jeweils einer Mehrzahl von Trichterwalzen zugeordneten Mehrzahl von Trichterebenen

Preferred developments emerge from the subclaims and the following description. An embodiment will be explained in more detail, with reference to the drawings, without being limited thereto. Showing:

Fig. 1:

a Falzaufbau with two levels funnel with different width funnels per funnel plane according to the prior art

Fig. 2:

a folding structure with two funnel planes with different width funnels per funnel plane

3:

detailed side view of a folder structure

4:

a folding structure with pivoted second funnel plane

Fig. 5:

a folding structure with two funnel levels and Ableitzunge

Fig. 6:

a folding structure with two hopper levels, baffle and Ableitzunge

Fig. 7:

a Falzaufbau with each having a plurality of funnel rollers associated plurality of funnel planes

The invention is explained in more detail below by way of example with reference to a drawing.

Fig. 1 shows a folding structure 1 with two stacked funnel planes 3 according to the prior art. In this case, a second funnel plane 3-2 with two juxtaposed folding funnels 4 of the folding funnel width b2 is arranged above a first funnel plane 3-1, which consists of three juxtaposed folding funnels 4 of a first folding funnel width b1. Both the first former chamber level 3-1 and the second former chamber level 3-2 each have a funnel roller 5, with which the incoming web 10 or the incoming part webs 10, not shown, is deflected and guided onto the hopper plate. Not shown are the drive motors of the respective funnel rollers 5 and the side walls in which both the formers 4 are fixed together with drives. Further, each folder 4 is associated with a pair of folding rollers 8,.

In the example shown, the funnel width b1 deviates from the funnel width b2, so that in the example shown when producing a 6-side wide web 10 or several corresponding webs 10 three folded strands 11 of width 0.5 x b1 can be produced simultaneously.

When using one or more 4-side wide webs with the side width b2 / 2, two strands of the strand width 0.5 x b2 can be produced simultaneously via the upper second hopper level 3-2. Such web width variability increases the production diversity of a machine and thus also the flexibility. The strands, which are produced with the formers 4 of the second hopper level 3-2, are guided, if necessary, via additional deflection rollers, not shown, around the former 4 of the first hopper level 3-1.

How out Fig. 1 however, it can be seen that an additional second funnel plane 3-2 requires considerable space, in particular in the vertical direction. Furthermore, this solution requires additional side wall portions, at least one drive motor for the funnel roller 5, furthermore, due to the size of such formers 4, for example, an additional gallery level, optionally an additional pulling device for upper hopper roller 5, etc. required, which means a significant use of material and high investment costs manifests.

In order to avoid this additional considerable space requirement, the in Fig. 2 Although shown solution according to the invention also has a first funnel plane 3-1 and a second funnel plane 3-2, so that the production possibilities with the under Fig. 1 described variant are identical. However, in the configuration according to the invention, the arrangement of the second funnel plane 3-2 in the vertical direction above the first funnel plane 3-1 in contrast to the prior art is achieved in the form that the web 10 or the part webs 10 via only one funnel roller 5 on either the first hopper level 3-1 or the second hopper level 3-2 is performed. How the comparison of FIGS. 1 and 2 shows, this is associated with the embodiment of the invention with a considerable space savings. In the Fig. 2 illustrated embodiment of the arrangement the second funnel plane 3-2 above the first funnel plane 3-1, but with a smaller inclination angle, is just one example of the basic configuration of the two funnel planes 3. In the following examples, still different embodiments will be described. In the type of arrangement of the second hopper level 3-2 according to Fig. 2 However, for example, the second funnel plane 3-2 can be pivoted upward, as the broken line shows, so that the accessibility to the funnels 4 of the first funnel plane is for example for maintenance or cleaning purposes in no way limited. In Fig. 2 are not shown for reasons of clarity, the optional additional guide rollers below the former 4 of the second hopper level 3-2, in order to bypass the former 4 of the first hopper level 3-1 with the strands or in case of need.

The arrangement, the number or the size ratios of the former 4 of the first hopper level 3-1 and the second hopper level 3-2 are both in Fig. 2 as well as in the other figures purely exemplary nature, due to the large number of configuration options of folder structures 1, an execution of all variants makes little sense.

Nevertheless, it should be noted at this point that the folding structure 1 according to the invention can be implemented for a wide variety of designs. So can, as in Fig. 2 illustrated, the at least one former 4 of the second funnel plane 3-2 have a different funnel width and / or a different funnel inclination than the at least one former 4 of the first funnel plane 3-1. It is naturally also possible to use former 4 in the first funnel plane 3-1 and in the second funnel plane 3-2 with the same funnel width, which, however, depends on the required production variants.

Furthermore, different from the in Fig. 2 As shown, the number of former 4 of the first hopper level 3-1 should be equal to the number of former 4 of the second hopper level 3-2. This variant makes sense, in particular, but not exclusively, when the width of the former 4 of the first level 3-1 and the second level 3-2 of the hopper 3-2 differ, for example, to produce webs 10 of different widths or printed products.

This variant has the advantage that an example four-side-wide machine produces a first web width, for example, the maximum possible web width over the first hopper level 3-1, provided that the funnels 4 of the first hopper level 3-1 have the width required for this, of which However, due to the design of the system on a correspondingly large web width is assumed. If the former 4 of the second funnel plane 3-2 have a smaller width than the formers 4 of the first funnel plane 3-1, the printing press can also be operated with a four-side-wide web 10 or production, although thereby the web width and thus also the width of the printed pages can be reduced.

Furthermore, this embodiment may be useful in that the former 4 of the first hopper level 3-1 and the second hopper level 3-2 have different hopper pitches, which facilitates or facilitates the printing or folding of different paper grades. Because the Trichternigung or even the design of the funnel geometry, in particular the design of the funnel nose has considerable influence on how different paper qualities can be folded.

However, it is also the basic variant possible that the number of formers 4 of the first funnel plane 3-1 differs from the number of formers 4 of the second funnel plane 3-2. Thus, either the number of former 4 of the first hopper level 3-1 can be greater or smaller than the number of former 4 of the second hopper level 3-2, depending on how the different productions are to be designed.

For example, as in Fig. 2 shown the first funnel plane 3-1 three juxtaposed folding hopper 4 included, but the second funnel plane 3-2 may consist of only two formers 4. Thus, in a six-side wide machine in the first variant, three two-side wide partial webs 10 can be produced over the three former 4 of the first hopper level 3-1. With the same - this variant is however in Fig. 2 not shown - or as in Fig. 2 shown with a reduced web width can then on the beispielswei the wider two former 4 of the second hopper level 3-2 two two-sided width of partial strands 10 are produced, so that below the folder structure 1, two longitudinally folded strands with a larger strand width are available.

However, it is different Fig. 2 For example, it is also possible to divide a four-side-wide web 10 into two two-side-wide part webs 10 in a first production, and to guide them over the two former 4 of the first hopper level 3-1, whereas in a second production the web 10, for example, divided into three two-page-wide partial webs 10, in which case the first page width is greater than the second page width. These three partial webs 10 can then be produced via three former 4 of the second funnel plane 3-2, wherein the width of the former 4 of the second funnel plane 3-2 is smaller than the width of the former 4 of the first funnel plane 3-1.

In Fig. 2 not shown, but an advantageous embodiment is that the former 4 of both the first funnel plane 3-1 and the second funnel plane 3-2 can be moved transversely to the transport direction of the web 10 in order to increase the variability of the web width or partial web width even further or to be able to subdivide the gradations even more finely.

Like from the Fig. 2 can also be derived, a mixed operation between the two hopper levels 3 is possible, ie one or more partial webs can be produced via one or more former 4 of the first hopper level 3-1; One or more partial webs 10, which are cut out of another region of the web 10, can be produced simultaneously via one or more former 4 of the second funnel plane 3-2. This is possible in particular, but not exclusively, when the former 4 of the first and second hopper levels 3 terminate at a same point transverse to the running direction. However, even with an offset of the former 4 of the two hopper planes 3 transversely to the web running direction, this offset can be bridged with a so-called spreading device, as known from the prior art.

The formers 4 are usually upstream slitting devices 12, with which the running on the former 4 web 10 is cut in the transport direction of this and thus divided into partial webs 10. This is necessary because a run on a former 4 web or sub-web 10 may not be wider than the former 4 on its inlet side. If a plurality of formers 4 arranged side by side, so the web 10 is to be cut longitudinally at the points at which the funnel 4 abut each other. In the case of the use of differently wide folding hoppers 4 in the two hopper levels 3, it may be necessary for the lanes 10 to be separated at different positions in partial lanes 10 for the various productions via the first hopper level 3-1 and via the second hopper level 3-2 have to. The same applies to the case when at least one former 4 from at least one of the two hopper levels 3 can be displaced transversely to the transport direction of the web 10 or is displaced.

A particularly advantageous embodiment is that the longitudinal cutting devices 12 upstream of the formers can be adjusted depending on the width of the web or partial web 10 and / or on the position of the at least one former 4 of the first hopper level 3-1 or the second hopper level 3-2 ,

However, since in such relatively stationary former positions of both the first funnel plane 3-1 and the second funnel plane 3-2, a plurality of longitudinal cutting devices 12 can be used at different positions, the corresponding at least one longitudinal cutting device 12 can be activated depending on the activated funnel plane 3. Related to the example of Fig. 2 This means that when the web or sub-webs 10 are guided over the first funnel plane 3-1, the two outer longitudinal cutting devices 12 are automatically activated, in order to separate the web 10 into three sub-webs in this case. However, if in this example the web 10 is guided over the second funnel plane 3-2, then the center longitudinal cutting device 12 is automatically activated in order to divide the incoming web 10 into two part webs 10.

As the example given above shows, an advantageous embodiment thus also includes that the folding structure 1, if necessary, ie. H. If at least one funnel plane 3 has at least two folding hoppers 4 arranged next to one another, then the at least one longitudinal cutting device 12 is automatically activated or positioned at the correct position, depending on which hopper level 3 is activated.

Based on Fig. 3 the design of the two funnel planes 3 of the folding structure 1 will be explained in more detail. The funnel roller 5 downstream seen in the web running direction is a first funnel plane 3-1 with at least one former 4. In the in Fig. 3 As shown embodiment, this has a different funnel inclination than the at least one former 4 of the second funnel plane 3-2. The angle of inclination of the first funnel plane 3-1 may, for example, be 70 °, whereas the angle of inclination of the second funnel plane 3-2 has, for example, 60 °. In a first production variant, the web 10 or the partial webs 10 can be guided over the at least one former 4 of the first funnel plane 3-1; in a second production variant, the web 10 or the part webs 10 can be conveyed via the at least one former 4 of the second funnel plane 3-1. 2 are guided. Both funnel planes 3 have the same funnel roller 4. In the production on the first funnel plane 3-1 thus has the web 10 or part of web 10 a slightly larger looping of the funnel roller 5 than in production on the second funnel plane 3-2, but technically brings no disadvantages. For even if only one funnel plane 3 is assigned per funnel roller 5, the wrap angle is always dependent on the Trichternigung. To adjust the funnel inclination adjustment mechanisms are provided for this, which act on the former 4, which then has to be rotatably mounted about an axis transverse to the transport direction of the web 10. Below each former 4 of the two formers 3 levels a pair of folding rollers 8 is arranged. In Fig. 3 are the rollers, which depend on the configuration of the former 4 and thus optionally for the deflection of the folded on the second funnel plane 3-2 strands about the former 4 of the first Falztrichterebene 3-1 are required, not shown, since such guide rollers are already known from the prior art.

Out Fig. 3 can also be taken very clearly that the second funnel plane 3-2 can be retrofitted very easily, ie with relatively little effort, since a second folding roller 5, the associated side wall portion, drives, etc. are not required.

In Fig. 4 is the example of in Fig. 3 illustrated variant in the form shown, in which the at least one former 4 of the second funnel plane 3-2 is pivoted. To increase the accessibility to the first hopper level 3-1, for example for maintenance or cleaning purposes or to facilitate the drawing in of the webs 10, the second hopper level 3-2 can either be pivoted completely or the second hopper level 3-2 can only be swung in parts, ie only a subset of the second hopper level 3-2 associated former 4 are pivoted. The fulcrum for pivoting the second funnel plane 3-2 is here preferably outside of the former 4 of the second funnel plane 3-2 and / or outside the funnel roller 5. Thus, the second funnel plane can be swung in the form that in the region of the inlet side of the former 4 , ie on the side facing the funnel roller 5, a greater distance is achieved between the two funnel planes 3, which basically facilitates the retraction of a web 10 or part web 10 over the first funnel plane 3-1. In Fig. 4 the fasteners or suspensions of the second funnel plane 3-2 are not shown.

Advantageously, a variant of the folding structure can be generated, in which the first funnel plane 3-1 to the second funnel plane 3-2 is spaced only by a distance perpendicular to the funnel plate and the second funnel plane does not necessarily have a different inclination angle than the first funnel plane 3- 1 must have. Such an embodiment is in Fig. 5 shown. Here, the at least one former 4 of the second funnel plane 3-2 in Direction perpendicular to the funnel plate of the first funnel plane 3-1 spaced apart, in addition to this spacing and an offset of the two funnel planes along the funnel inclination or transverse to it is possible. As a result of this embodiment, the second funnel plane 3-2 can have the same funnel inclination as the first funnel plane 3-1, but a different angle of inclination can also be realized.

This can be realized, for example, by arranging a guide plate 6 and / or a diversion tongue 7 between the funnel roller 5 and the at least one funnel 4 of the first funnel plane 3-1 or thus also of the second funnel plane 3-2. In Fig. 5 between the funnel roller 5 and the funnel planes 3 a Ableitzunge 7 is used, with which alternately the incoming web 10 of the part web 10 either at least one former 4 of the first hopper level 3-1 or at least one former 4 of the second hopper level 3-2 is supplied in which the Ableitzunge 7 is pivoted to the appropriate position.

Thus, the web or sub-web 10 can be produced via differently configured former 4 different funnel planes 3, which may have the same funnel inclination. To select the activated funnel plane 3, only the position of the Ableitzunge 7 must be changed, which can be done either by means of a not shown adjustment or by means of manual conversion.

The Ableitzunge 7 is comparable in nature with a baffle or with a hopper plate, d. H. It is a flat or perforated, preferably polished sheet, which can also be coated with a color-repellent or wear-resistant coating. Optionally, the Ableitzunge 7 may also be provided with air outlet holes, which are connected to a Blasluftversorgung not shown, so that on the Ableitzunge 7 optionally an air cushion between Ableitzunge 7 and on the former 4 running web 10 or partial web 10 can be generated.

A like in Fig. 5 schematically illustrated embodiment is also suitable for retrofits of additional funnel planes, if necessary, the first funnel plane 3-1 along the funnel slope to be able to position the Ableitzunge 7 can.

The inclination angle of the second funnel plane 3-2 may also deviate from the inclination angle of the first funnel plane 3-1, if necessary, the geometric conditions of the Ableitzunge 7 must be observed to ensure uninterrupted contact of the web or sub-web 10 on both the Ableitzunge 7 and on the hopper plate of the former 4 to ensure. If necessary, an additional, in Fig. 5 not shown, pressure roller or pressure roller are attached.

Fig. 6 shows an advantageous embodiment of Fig. 5 when the inclination angle of the second funnel plane 3-2 deviates from the inclination angle of the first funnel plane 3-1, wherein the in Fig. 6 illustrated embodiment is also possible if the two funnel planes 3 have the same angle of inclination.

At the in Fig. 6 The solution shown is used in addition to the Ableitzunge 7 a guide plate 6 is used, wherein the guide plate 6 is preferably made rigid and adjacent to the funnel roller 5. The baffle 6 is also similar in texture with a hopper plate, ie it is a flat or apertured, preferably polished sheet, which can also be coated with a color-repellent or wear-resistant coating. Optionally, the baffle 6 may also be provided with air outlet holes, which are connected to a Blasluftversorgung, so that on the Ableitzunge optionally an air cushion between baffle 6 and over the former 4 running web 10 or partial web 10 can be generated.

When viewed in the transport direction of the web 10, the guide plate 6 is followed by the diversion tongue 7, which guides the web 10 or the part webs 10 selectively to the first funnel plane 3-1 and / or the second funnel plane 3-2. If the geometry requires, for example, due to the funnel inclination of the second funnel plane 3-2, then in the area of the baffle 6, a driven or non-driven and thus entrained by friction with the web or sub-web 10 guide roller can be used.

Basically, albeit in Fig. 6 not shown, the order of baffle 6 and Ableitzunge 7 can also be changed, ie that seen in the transport direction of the web 10 after the hopper roller first follows the Ableitzunge 7, and to this the baffle 6 is attached. However, it should be noted in this variant that then two baffles 6 are required, namely in each case a guide plate 6 for the first funnel plane 3-1 and the second funnel plane 3-2.

For completeness, it is mentioned at this point that an advantageous embodiment of the folding structure 1 can also have a plurality of superposed hopper levels 3, each with an associated hopper roller 5, each of these hopper levels 3 together with associated hopper roller 5 each have a first hopper level 3-1 and a second Funnel level 3-2 can be assigned. Thus, a configuration is possible in which two different funnels can be realized with two funnel rollers arranged one above the other, whether in different widths, design or funnel pitch for different paper qualities and / or for different width ratios. An example of such a configuration is in Fig. 7 shown. In Fig. 7 is the assignment of the two funnel planes 3 according to the in Fig. 2 and 3 shown embodiment, the two hopper levels 3 can also be arranged in this configuration parallel to each other.

LIST OF REFERENCE NUMBERS

1

folding structure

2

funnel section

3

former plane

3-1

first funnel level

3-2

second funnel level

4

formers

5

former roller

6

baffle

7

Ableitzunge

8th

folding roller

10

Train / subway

11

strand

12

Slitter

Claims (13)

1. A folder superstructure of a web-fed printing press consisting of a first former plane (3-1) and a second former plane (3-2), wherein the first former plane (3-1) and the second former plane (3-2) each comprises at least one former (4), and wherein the second former plane (3-2) is arranged above the first former plane (3-1), and wherein an incoming web (10) or partial web (10) can either be guided to at least one folder (4) of the first folder plane (3-1) and/or the second folder plane (3-2), wherein the web (10) or partial web (10) can be fed to the at least one folder (4) of the first folder plane (3-1) and to the at least one folder (4) of the second folder plane (3-2) by means of only one former roller (5), characterized in that the second folder plane (3-2) is spaced apart perpendicularly to the triangular blank of a folder of the first folder plane.
2. The folder superstructure according to claim 1, characterized in that the at least one folder (4) of the second folder plane (3-2) has a different folder width and/or a different folder slope than the at least one folder (4) of the first folder plane (3-1).
3. The folder superstructure according to one of claims 1 to 2, characterized in that the number of the folders (4) of the first folder plane (3-1) is identical to the number of the folders (4) of the second folder plane (3-2).
4. The folder superstructure according to one of claims 1 to 2, characterized in that the number of the folders (4) of the first folder plane (3-1) differs from the number of the folders (4) of the second folder plane (3-2).
5. The folder superstructure according to claim 4, characterized in that the number of the folders (4) of the first folder plane (3-1) is larger than the number of the folders (4) of the second folder plane (3-2) .
6. The folder superstructure according to claim 4, characterized in that the number of the folders (4) of the first folder plane (3-1) is smaller than the number of the folders (4) of the second folder plane (3-2) .
7. The folder superstructure according to one of claims 1 to 6, characterized in that the second folder plane (3-2) can be pivoted away from the first folder plane (3-1), so that the web or partial web (10) can either be guided across the first folder plane (3-1) or across the second folder plane (3-2) by means of a pivoting to or fro, respectively, of the respective folders (4).
8. The folder superstructure according to one of claims 1 to 6, characterized in that the second folder plane (3-2) is spaced apart perpendicularly to the triangular blank of a folder (4) of the first folder plane (3-1) and additionally has a folder slope, which differs from the first folder plane (3-1) .
9. The folder superstructure according to one of claims 7 to 8, characterized in that at least one additional deflection tongue (7) is inserted between folder roller (5) and the at least one folder (4) of the first folder plane (3-1) or the second folder plane (3-2) for guiding the web or partial web (10).
10. The folder superstructure according to one of claims 1 to 9, characterized in that at least one folder (4) of the first folder plane (3-1) and/or of the second folder plane (3-2) can be moved at right angles to the direction of the incoming web (10) .
11. The folder superstructure according to one of claims 1 to 10, characterized in that a longitudinal cutting device (12), which is connected upstream of the folders (4), can be set as a function of the width of the web or partial web (10), respectively, and/or as a function of the position of the at least one folder (4) of the first folder plane (3-1) or of the second folder plane (3-2).
12. The folder superstructure according to claim 11, characterized in that the longitudinal cutting device (12) is activated independently as a function of the relevant and activated folder plane (3) at the relevant positions in the region of the folder edges, which are relevant for this production, so that, in the event of the activation of a folder plane (3) with at least two folders (4) arranged next to one another, the at least one longitudinal cutting device (12) is then activated independently or is positioned at the correct location as a function of the activated folder plane (3) .
13. A folder superstructure of a web-fed printing press, characterized in that the folder superstructure (1) comprises a plurality of folder planes (3) arranged on top of one another, each comprising a corresponding folder roller (5) according to one of claims 1 to 12.

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