EP1401661B1 - Printing machine with several sections - Google Patents

Abstract

A printing machine includes several sections, each of which has at least one printing unit with at least one web running through the at least one printing unit per section. Two such sections are arranged offset to each other, transverse to the longitudinal direction of the printing machine. Production of a printed product is achieved, at least in part, by using a common folding unit that extends over the total width of the printing machine.

Description

The invention relates to a printing press with several sections according to the preamble of claim 1.

By the DE 197 28 207 A1 a printing press is known, wherein webs are guided out of two mutually aligned sections in two intermediate towers, undergo a change in direction and u. U. offset laterally.

The DE 42 04 254 A1 discloses a folding structure with formers which are displaceable transversely to the running direction of the webs. This allows a longitudinal folding of partial webs, which may have varying widths by longitudinal cutting or a longitudinal folding of paper webs of different overall widths.

By the EP 06 27 312 A2 are two parallel juxtaposed printing machines, each with an associated folding structure known. In one operating mode, the printed webs can be summarized, and be guided on one of the two adjacent Falzaufbauten.

From the US 39 42 782 A the use of a folding structure with three side by side and two stacked formers is known, with the sheets to be folded from two aligned in an aligned sections each with three times width in the common, triple-wide fold build-up.

The DE 199 58 089 A1 discloses two printing machines, which are horizontally and vertically juxtaposed to save space. The two printing presses can be assigned in one embodiment, a common folder.

The DE 195 16 445 A1 discloses in a variant embodiment, a printing press with two mutually offset in the longitudinal direction of the printing units printing units, wherein a common folding structure is arranged only between the mutually parallel sections. In another embodiment, it shows two rows of printing units, which are arranged parallel and laterally side by side.

The DE-A-246557 discloses two double-width printing units with double-wide double-folding funnel arranged therebetween. In one embodiment, single-width webs are each guided a first time through the respective printing unit for the first time and after the lateral offset, and thereby printed on both sides. If the single-width rolls of the two printing units are laterally offset from one another, the result is that one web printed on both sides is guided onto one hopper and the other web printed on both sides onto the other hopper.

The invention has for its object to form a printing press with multiple sections such that high product flexibility is achieved at high web security and efficiency.

The object is achieved by the features of claim 1.

The achievable with the present invention consist in particular in the high security and efficiency in the web run through the printing press with high flexibility in the producible products.

In terms of a safe and efficient web guide, it is particularly advantageous if as many webs as possible, d. H. without turning or lateral offset, run through the press on the associated former.

With a solution according to a first embodiment, several staggered narrower, z. B. simply wide pressure units or sections instead of a wide, can For example, the productivity of a double wide printing press and high flexibility with regard to the usability of different substrate formats, eg paper formats can be achieved without a complicated and for the running of the substrate disadvantageous displacement of the webs or a displacement of the former as a result of a change from one substrate format to another Substrate format would be required. A possibly increased investment costs are offset here by a lesser effort during conversion and a reduced risk potential for web break and / or quality losses.

Of particular advantage in terms of product diversity in multi-lane operation of the sections is the formation of Falzaufbaus with Balloon funnels and variable

Strand guide to the folder. If the strands can be combined on two folders, the variety of products that can be produced is further increased.

The staggered arrangement of two double-wide sections according to the second embodiment allows the productivity of two aligned double-width sections, with a simultaneously high variety of products. In contrast to double-width sections arranged in alignment, it is not necessary for a complete strand of webs to be guided laterally out of the profile of the printing press. If more or less equally strong books or strands are produced, then most of the partial webs can be guided straight ahead in the middle of the funnel, while, for example, only a few sub-webs, eg. B. per section two partial webs, must be turned from the middle strand on one of the outer strands.

Due to the offset of the sections a high flexibility in terms of a product variety, a high printing performance, d. H. Productivity while maintaining high security in the web.

Embodiments of the invention are illustrated in the drawings and will be described in more detail below.

Fig. 1

eine schematische Darstellung in Draufsicht auf ein erstes Ausführungsbeispiel;

Fig. 2

eine schematische Darstellung einer in einen Falzaufbau einlaufenden Bahn;

Fig. 3

eine erste Ausführungsform für einen Falzaufbau und ein Falzwerk gemäß dem ersten Ausführungsbeispiel aus Fig. 1;

Fig. 4

eine zweite Ausführungsform für einen Falzaufbau und ein Falzwerk gemäß dem ersten Ausführungsbeispiel aus Fig. 1;

Fig. 5

eine schematische Darstellung in Draufsicht auf ein zweites Ausführungsbeispiel.

Show it:

Fig. 1

a schematic representation in plan view of a first embodiment;

Fig. 2

a schematic representation of an incoming in a folding structure web;

Fig. 3

a first embodiment of a folding structure and a folding unit according to the first embodiment of Fig. 1 ;

Fig. 4

a second embodiment of a folding structure and a folding unit according to the first embodiment of Fig. 1 ;

Fig. 5

a schematic representation in plan view of a second embodiment.

A printing press, in particular a web-fed rotary printing press, has at least two sections 01; 02, each with at least one printing unit 03; 04, which of tracks 06; 07 (for each section 01, 02 for the sake of clarity, only a train 06, 07 shown), z. B. of printing material 06; 07, go through.

The printing units 03; 04 of each section 01; 02 are each arranged in alignment with one another and can be arranged one above the other and / or one behind the other. In the in Fig. 1 and Fig. 5 illustrated embodiments are the printing units 03; 04 of each section 01; 02 each horizontally arranged one behind the other in an alignment, so that the mid-perpendicular of the printing units 03; 04 of the respective sections 01; 02 each in a plane M1; M2 are.

Sections 01; 02 are arranged to each other so that their levels M1; M2 does not coincide. In an advantageous embodiment, the sections 01; 02 arranged so that the levels M1; M2 parallel, but transverse to a longitudinal direction L of the printing press, d. H. in an axial direction of the printing cylinder, offset from each other. The printing units 03; 04 are here, for example, on the same horizontal plane, for example, in paterrebauweise arranged. The printing units 03; 04 may be bridge printing units, single or stacked, H-printing units, single or stacked, so-called four-high towers, single or stacked nine- or ten-cylinder satellite printing units.

At least one end 08; 09 in the longitudinal direction L of each section 01; 02 is a two sections 01; 02 associated Falzaufbau 11 arranged, which is offset over at least one total width G or arranged side by side Sections 01; 02 extends. As the overall width G is here in particular an effective total width G to understand, which by the respective outer edges of the effective, usable for the print widths b03; b04 of the printing units 03; 04 or their printing cylinders are defined. The folding structure 11 has at least two formers 12; 13, wherein at least one each in the flight to the level M1 and M2, ie centrally to the section 01 and 02 or the printing units 03; 04 is arranged.

Thus it is, how Fig. 2 schematically shows, possible to operate the printing press with different web widths, for example, with webs 06; 07 of a width b06; b07 or with tracks 06 '; 07 'has a width b06'; b07 '. The middle of the track 06; 07; 06 '; 07 'coincides with the plane M1; M2 together and runs regardless of the width b06; b07; b06 '; b07 'of the train 06; 07; 06 '; 07 'without the need for a lateral offset or turning centered on the associated former 12; 13 too.

In the first embodiment according to Fig. 1 has each section 01; 02 each six consecutively arranged printing units 03; 04 on. Sections 01; 02 are with respect to the levels M1; M2, and arranged with respect to a longitudinal direction L of the printing press behind or in front of the folding structure 11.

A lateral offset V of the sections 01; 02 in the example is at least one effective width b03; b04 of the printing units 03; 04, which is determined by the printable width of not shown in detail printing units or their printing cylinder, and which at the same time a maximum width b06; b07 of the train 06; 07 corresponds. Do the printing units 03; 04 of the sections 01; 02 different effective widths b03; b04 or maximum width b06; b07, the offset V should be at least as large as half the sum of b03 and b04 or b06 and b07.

If a product, for. As a newspaper, folded only once to the delivery, the offset V of the two sections 01; 02 preferably at least twice Product width or at least the width of two printed pages A; B in the axial direction of the printing cylinder ( Fig. 3 and 4 ).

The printing units 03; 04 are in an advantageous embodiment with printing cylinders simple width, ie two print image widths of printed pages A such. B. Newspaper pages A (see Fig. 3 ), performed in the longitudinal direction of the printing cylinder. For producing a product to be folded longitudinally before entering the folding structure 11, therefore, no longitudinal section is required. This in turn allows said use of different widths, each centered to the level M1; M2 aligned tracks 06; 07; 06 '; 07 '( Fig. 2 ), without the otherwise cut partial webs or the formers 12; 13 to have to put. The folding structure 11 is in this case "double wide" running, ie it has a width which at least the now four total pressure sides of the two adjacent tracks 06; 07 from the sections 01; 02 corresponds. It can thus without much effort, and without the course of the web 06, 07 to deteriorate between different product formats, eg. B. Newspaper formats such as Rheinisches, Berliner, New York Times Format etc., ie different roles 14; 16, z. B. Bedruckstoffrollen 14; 16 for the train 06; 07 are changed.

The six printing units 03; 04 of each section 01; 02 here are at least six rollers 14; 16 assigned, of which the tracks 06; 07 unwound and passed through the printing press. The rollers 14; 16 can on the same or on one of the printing units 03; 04 different level, z. B. in an underlying level, be arranged (in Fig. 1 symbolic next to the printing units 03; 04).

The guided by the rollers 14 of section 01 by the printing units 03 tracks 06 can now in production as well as the guided by the rollers 16 of the section 02 by the printing units 04 tracks 07 on rollers not shown with straight track, "straight" or "straight ahead", are performed on the respectively associated former 12 and 13 of the folder assembly 11. With symmetrical arrangement of the webs 06; 07 this is independent of the width b06; b07 of the tracks 06; 07, provided the effective width b03; b04 of the printing units 03; 04 is not exceeded.

Advantageously with an increased number of possible tracks 06; 07; as in the present embodiment, each with six printing units 03; 04 is the case, is an embodiment of the folding structure 11, wherein each of the juxtaposed formers 12; 13, a further former 17; 18, a so-called. Balloon funnel 17; 18 is assigned. The folding structure 11, in a preferred embodiment in each case two formers 12; 13; 17; 18 next to each other and two formers 12, 17; 13, 18 on top of each other.

The straight course of as many unused paths 06; 07 as well as possible uniform distribution of z. B. a total of twelve tracks 06; 07 on four formers 12; 13; 17; 18 is particularly advantageous in terms of a safe and trouble-free web travel.

The tracks 06; 07 are in front of or above the former 12; 13; 17; 18, for example, harp rollers 19 and hopper rollers 20 to strands 21; 22; 23; 24 summarized and by means of the former 12; 13; 17; 18 longitudinally folded before they a folding unit 26 with one or more folders 27; Fed 28, there cut transversely and optionally folded once or more times, and on one or more displays 29; 31 leave the press as a product or intermediate.

The strands 21; 22; 23; 24 can, depending on the number and possibilities of the associated folders 27; 28, depending on the strand guide in the folding structure 11 and depending on the number of trays 29; 31 are processed in the folding unit 26 to a variety of different products or intermediates.

In a first embodiment ( Fig. 3 ) of the first embodiment ( Fig. 1 ) for the folding structure 11 and the folding unit 16, the folding structure 11, the harp rollers 19th (indicated) and the four formers 12; 13; 17; 18, and the folding unit 16 a single folding apparatus 27 (schematically), which deposits on a single display 29.

For the purpose of arranging the strands 21; 22; 23; 24 in the order required for the product, the folding structure 11 u. a. Known folding 32, 33 tensile and deflection rollers 34 on.

In ideal for the web run case only straight running tracks 06; 07 and a uniform division of the twelve tracks 06; 07 on the strands 21; 22; 23; 24 or on the former 12; 13; 17; 18, each strand 21; 22; 23; 24 three lanes 06 and 07 on. Are the printing units 03; 04 (as in Fig. 3 exemplified by the resulting print image) with printing cylinders simple circumference, ie a section length a of a printed page A such. B. a newspaper page A, on the circumference U, and single width, ie two printed pages A on a web 06; 07 or a former 12; 13; 17; 18 side by side, equipped, so by means of the printing press and the folding unit 27, a product with four books to twelve pages produced. However, it can by means of the straight running tracks 06; 07 also books of different page numbers are produced by the tracks 06; 07 to differently strong strands 21; 22; 23; 24 of each stacking former 12; 17; 13; 18 can be summarized.

When equipping the double-circumference printing units U (as for a second embodiment in FIG Fig. 4 is exemplified by the resulting print image), can be under the above conditions (straight, even division, simple width) produce a product with a maximum of eight books to a maximum of twelve pages, if two section lengths a; b, two printed pages A; B such. B. two newspaper pages A; B, are arranged on the printing cylinder double circumference U in the circumferential direction one behind the other and the folder 27 is designed for a collective operation.

Fig. 4 shows a second embodiment of the first embodiment ( Fig. 1 ) of a folding structure 11 with folding unit 16, wherein the folding unit 16 in contrast to Fig. 3 however, two folders 27; 28 and two displays 29; 31 has. This enables the production possibilities Fig. 3 in that the strands 21; 22; 23; 24 on one of the two folders 27; 28, producing a single, high-page-count product.

In addition, however, it is possible by means of splitting the strands 21; 22; 23; 24 on the two folders 27; 28 to produce two different products of the same or different number of books and / or pages and on the two displays 29; 31 store. In order to achieve a double production speed, the same product can also be printed simultaneously, for example in section 1 and section 2, and finished and laid in parallel in the folding structure 11 and in the folding unit 16.

In order to further increase the flexibility is in an advantageous development of the invention in at least one of the sections 01; 02, a turning corner 36; 37 with at least one turning bar pair 38; 39, which extends over the total width G of the printing press ( Fig. 1 , dashed lines), and possibly arranged devices for length compensation, not shown.

Since the basic orientation of the printing machine ensures even distribution without turning and lateral offset, it is by means of turning only one web 06; 07 for printing units 03; It is possible to enlarge a book by four pages and reduce the other by four pages. For printing units 03; 04 double volume with collection production equal to double.

To further increase the possibilities in the compilation of books, it may be advantageous, not shown devices for longitudinal cutting of the webs 06; 07 before the formers 12; 17; 13; 18 to provide. Thus, the books in steps of two pages (single size or double production) or four pages (double volume and collective production) are put together.

If an increased flexibility is to be achieved in the gradation of the possible number of pages of the product or the construction of the books, without a double assembly with the same printing plates and collecting is required, as shown above, the execution of the printing units 03; 04 or their printing cylinder, in particular the forme cylinder, with a simple scope U advantage. When changing from a roll 14; 16 with z. B. full width b06; b07 (1/1) of the web 06; 07 on a half (1/2) track 06; 07 etc. is a gradation in two steps (so-called "two-sided jump") possible.

If the focus is on the option for simultaneous production of as many different products as possible, printing units 03; 04 with double circumference, the arrangement of two folders 27; 28, if necessary with sorters and four displays 29; 31, beneficial.

The numbers mentioned for the first embodiment are examples of double-sided printing on both sides, for example by means of four-high towers 03; 04 executed printing units 03; 04 for four-color printing. If no such high demand is placed on the multicolor, it is also possible, for example, in a section 01; 02 with six tracks 06; 07 only four printing towers 03; 04 trained printing units 03; 04 to go through. Likewise, it is also possible a section 01; 02 for fewer or more tracks 06; 07 form, wherein the number of printing units 03; 04 or printing towers 03; 04 per section 01; 02 then after the demand of the color and the number of tracks 06; 07 directed.

Unlike in Fig. 1 illustrated embodiment is, for. B. with appropriate spatial conditions, also possible, the sections 01; 02 next to each other, in which case the tracks 06; 07 from the same side on the common, over the entire width G reaching Falzaufbau 11 run.

In a second embodiment ( Fig. 5 ) are the printing units 03; 04 of the sections 01; 02 or their printing units with printing cylinders double width, ie four print image widths, z. B. newspaper pages A; B, in the longitudinal direction of the printing cylinder, executed. The effective width b03; Thus, b04 corresponds to at least four adjacent printed pages or individual printing plates or two panorama printing plates.

The two sections 01; 02 are M1 with respect to the planes of their mid-perpendiculars; M2, offset, and arranged with respect to a longitudinal direction L of the printing press behind or in front of the folding structure 11, which the two sections 01; 02 is assigned.

Become the double wide webs 06; 07, as it is z. B. is required for the production of newspapers, cut longitudinally before entry into the folding structure 11 by means not shown devices, so are planes of the center perpendicular M3; M4; M5; M6 of webs 41 formed by cutting; 42; 43; 44, so-called partial webs 41; 42; 43; 44 or formed therefrom partial web strands of importance for as straight as possible shrinkage in the Falzaufbau 11. For a better overview is per section 01; 02 each only a double-width web 06; 07, which by means not shown cutting devices each in two partial webs 41; 42; 43; 44 are cut.

The lateral offset V of the sections 01; 02 corresponds approximately to a width of one of the partial webs 42; 43 or twice the width of the once longitudinally folded finished product. In the case of equally wide sections 01; 02 or tracks 06; 07, and a longitudinal cutting in two partial webs 41; 42; 43; 44 of equal width corresponds to the offset V of half the width b06; b07 of the original web 06; 07. The plane M4 thus coincides with the plane M5.

Between sections 01; 02, the common folding structure 11 is arranged, which at least three juxtaposed former 12; 13; 46. Preferably, the folding structure 11 has a further three formers 17; 18; 47, z. B. as Balloon funnel 17; 18; 47, which also side by side, but above the first former 12; 13; 46 are arranged. The formers 12; 13; 17; 18; 46; 47 are arranged in alignment with the planes M3, M4 (= M5) and M6, resulting in a straight inlet of the partial web strands 41; 42; 43; 44 in the folding structure 11 allows.

The arrangement has the productivity of a double width printing machine with two aligned in a section 01 sections; 02, but allows a variety of products, which is achieved in the case of aligned double-width printing machines with a three-story folding structure and corresponding turning deck or by lateral displacement and lead out all partial webs for a fifth and possibly sixth strand. The variety of products corresponds approximately to that of a triple wide printing machine with a triple wide folding structure.

Sections 01; 02 can, as in the first embodiment ( Fig. 1 ) an unillustrated turning table 36; 37 to the strength of the individual partial strands 41; 42; 43; 44 to adapt to the needs of the books to be produced. To z. B. when using six formers 12; 13; 17; 18; 46; For example, to obtain six equal book thicknesses per section 01; 02 only two partial webs 42; 43 or an uncut web 06; 07 on an outer partial web 41; 44 or an outer web 06; 07 turned or offset.

As in the first embodiment ( Fig. 1 ) are the tracks 06; 07 by means of rollers 14; 16 sections 01; Fed 02 and before the folding structure 11 on unrepresented harp rollers the formers 12; 13; 17; 18; 46; 47 supplied. The product display can be done on one, on two, on three or up to six folders not shown with a corresponding number of expenses, also not shown. The possibilities of production are then to be applied according to the principle of the first embodiment.

For an even higher number of producible books or larger product sizes or higher variability, the two sections 01; 02 off Fig. 5 also accordingly Fig. 1 be arranged completely offset from one another. In this case, a folding structure 11 with four side-by-side formers 12; 13; 46 executed. Again, in an advantageous embodiment, in addition four more formers 17; 18; 47 arranged above. The folding structure 11 extends over the effective overall width G.

With this arrangement are for printing units 03; 04 with cylinders simple circumference at the same time up to eight books, for printing units 03; 04 with cylinders of double circumference in collection mode even up to sixteen different books simultaneously produced.

LIST OF REFERENCE NUMBERS

01

section

02

section

03

Printing unit, four-tower, printing tower

04

Printing unit, four-tower, printing tower

05 -

-

06

Web, substrate web

07

Web, substrate web

08

End (01)

09

End (02)

10

-

11

Folding structure (01; 02)

12

formers

13

formers

14

Roll, substrate roll

15

-

16

Roll, substrate roll

17

Former, Balloon funnel

18

Former, Balloon funnel

19

harp roller

20

Hopper feed roller

21

strand

22

strand

23

strand

24

strand

25

-

26

folding

27

folding

28

folding

29

display

30

-

31

display

32

folding roller

33

pulling roller

34

deflecting

35

-

36

turning deck

37

turning deck

38

Turner bars

39

Turner bars

40

-

41

Train, subway

42

Train, subway

43

Train, subway

44

Train, subway

45

-

46

formers

47

Former, Balloon funnel

06 '

train

07 '

train

b03

Width (03)

b04

Width (04)

b06

Width (06)

b07

Width (07)

b06 '

Width (06 ')

b07 '

Width (07 ')

a

Section length, (A)

b

Section length, (B)

A

Print page, newspaper page

B

Print page, newspaper page

G

overall width

L

longitudinal direction

U

Scope of a printing unit or forme cylinder

V

Offset (01; 02)

M1

Plane of the bisector

M2

Plane of the bisector

M3

Plane of the bisector

M4

Plane of the bisector

M5

Plane of the bisector

M6

Plane of the bisector

Claims (17)

1. Printing machine having several sections (01; 02), each section having at least one printing unit (03; 04) through which at least one web (06; 07) runs for double-sided multi-colour printing, the printing units (03; 04) of at least two sections (01; 02) at least partly producing on a folding unit (11) assigned to the two sections (01; 02), the two sections (01; 02) being arranged to be offset with respect to each other in the axial direction of the printing unit cylinder, transversely with respect to the longitudinal direction (L) of the printing machine, by at least the width of two printed pages (A; B), characterized in that, as viewed in the longitudinal direction (L) of the printing machine, the folding unit (11) is arranged between the two sections (01; 02), and in that the folding unit (11) has a width which corresponds at least to an effective total width (G) of the sections (01; 02) arranged offset.
2. Printing machine according to Claim 1, characterized in that an offset (V) transversely with respect to the longitudinal direction (L) corresponds to at least twice the width of a product folded once longitudinally.
3. Printing machine according to Claim 1, characterized in that the printing units (03; 04) of the sections (01; 02) are of single width, in particular are designed for the printing in each case of two printed pages (A; B) arranged axially beside each other.
4. Printing machine according to Claim 3, characterized in that the folding unit (11) is of double width, in particular is designed for the processing of four printed pages (A; B) arranged axially beside one another.
5. Printing machine according to Claim 4, characterized in that the folding unit (11) has two folding formers (12; 13; 17; 18) arranged beside one another transversely with respect to the longitudinal direction (L) of the printing machine.
6. Printing machine according to Claim 4, characterized in that the folding unit (11) has two folding formers (12; 13) arranged beside each other transversely with respect to the longitudinal direction (L) of the printing machine and two folding formers (17; 18) arranged above the first two.
7. Printing machine according to Claim 5 or 6, characterized in that each of the folding formers (12; 13; 17; 18) is arranged in alignment with a plane (M1; M2) of a median perpendicular of the printing units (03; 04) forming the sections (01; 02).
8. Printing machine according to Claim 4, characterized in that the folding unit (11) is assigned a single folder (27).
9. Printing machine according to Claim 4, characterized in that the folding unit (11) is assigned at least two folders (27; 28).
10. Printing unit according to Claim 8 or 9, characterized in that each folder (27; 28) is assigned at least one delivery (29; 31).
11. Printing machine according to Claim 1, characterized in that the printing units (03; 04) of the sections (01; 02) are of double width, in particular are designed for the printing of in each case four printed pages (A; B) arranged axially beside one another.
12. Printing machine according to Claim 11, characterized in that the folding unit (11) is of triple width, in particular is designed for the processing of six printed pages (A; B) arranged axially beside one another.
13. Printing machine according to Claim 11, characterized in that the folding unit (11) has three folding formers (12; 13; 17; 18; 46; 47) arranged beside one another transversely with respect to the longitudinal direction (L) of the printing machine.
14. Printing machine according to Claim 11, characterized in that the folding unit (11) has three folding formers (12; 13; 46) arranged beside one another transversely with respect to the longitudinal direction (L) of the printing machine and three folding formers (17; 18; 47) arranged above the first three.
15. Printing machine according to Claim 1, characterized in that at least one of the sections (01; 02) is assigned a turner deck (36; 37), which extends over a total width (G) of the sections (01; 02) arranged offset.
16. Printing machine according to Claim 1, characterized in that printing unit cylinders constructed as forme cylinders of the two sections are constructed with a single circumference (U), i.e. with a section length (a) of one printed page (A) on the circumference (U).
17. Printing machine according to Claim 1, characterized in that the respectively at least one printing unit (03; 04) for double-sided multicolour printing are implemented as eightfold towers (03; 04) for four-colour printing.

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