DE102009001947A1 - Folding superstructure of a web-fed rotary printing press and a triple-width web-fed rotary press - Google Patents

Abstract

The invention relates to a folding superstructure of a web-fed rotary printing press, in particular a triple-width web-fed rotary printing press, with four juxtaposed longitudinal folders. In this case, at least one of the two middle Längsfalztrichter is adjustable in its effective width and at least one outer and a central Längsfalztrichter are arranged transversely to a machine flight displaced. In a first mode, all formers have the same effective width, in a second mode, the middle formers have an effective width which is greater than.

Description

The The invention relates to a folding superstructure of a web-fed rotary printing press and a triple-width web-fed rotary printing press according to The preamble of claim 1 or 8.

Of the Folding superstructure has the task of the printed endless web, z. B. paper webs according to the page number, the format and the color assignment - taking into account the End product - via various turning bars to guide and summarize in the right direction to them then via one or more formers the actual To feed the folder for further processing. He allows So with a small investment a decisive improvement the actual folder.

It Various funnel structures are known. Become a newspaper produced large page numbers, must with two collecting strands be driven, as per formers not with any number Material webs can be driven. It follows the use of a second former, then one speaks of the double funnel construction. There are Doppeltrichtem copies of two notebooks in double production or four booklets for collective production. Will More folders per newspaper may be needed Folding funnel to be installed. That can be a third former be next to the first two, or it will be over the first Double funnel a single or a double funnel built (Balloontrichter). This will increase the number of options considerably extended.

For a newspaper rotation that in non-collection production up to 4 resp. in collective production produce up to 8 newspaper sections in one run should be, are usually 4 Längsfalzeinrichtungen needed.

From the US 4,725,050 a folding superstructure of a double-width rotary printing machine is known in which on the same level with two inner funnels of a Balloon funnel on both sides of the machine alignment each an outer funnel is arranged at a distance from the inner funnels. This allows six to eight booklets to be produced per newspaper without reducing production speed. With the help of a turning bar construction, it is also possible to produce a newspaper with an odd number of booklets and to vary the page numbers of the individual booklets.

The DE 28 46 191 A1 describes a folder for web-fed rotary printing presses, in which the transverse fold takes place on folding tables on the stationary copy. The folder is preceded by a folding superstructure comprising 8 formers in balloon arrangement. This is only a festformatige production possible.

The WO 97/17200 A2 describes a Längsfalztrichteranordnung, in which four formers are arranged side by side. Two of the formers are displaceable vertically and in the longitudinal direction of the web run.

In the EP 1 837 179 A1 is a double-width rotary printing machine described in which in a hopper assembly with at least two adjacent formers a former is formed asymmetrically with respect to its width. The funnel edges are of different lengths. With this system, products of different widths can be produced. In the non-standard 3-sided assignment of the printing plate cylinder at least one partial web must be turned.

From the EP 1 992 485 A2 a double-width web-fed rotary printing press is known in which for the purpose of producing different formats, the side-by-side formers of a funnel group can be varied in their effective width so that two operating situations can be assumed, wherein in a second operating situation at least one of the funnel flanks has a smaller width. It can be produced on a double-width system and five narrower sides. The funnels are displaceable transversely to the direction of web travel. Turning bars are needed. In addition, an additional third former hopper can be provided, which can be produced up to three sections. For the purpose of changing the effective width of the formers optionally attachable or removable lugs are provided, or the formers are offset in height.

If in addition to the fixed-format daily newspaper more newspaper-like Products of different, also larger page width (Broadsheet) or page height (tabloid) with the rotary printing press are to be generated, usually for more Funnel of greater width installed.

In rotary printing presses of older design, the folding units including superstructures determined the machine height, so that the height of the printing units had little influence on the required hall height. Today's printing units are considerably lower and, among other things, open up a potential for savings in building costs, among other things. In order to realize this height advantage of the printing units, but must also build the folders including superstructures lower. This is especially in newspaper presses of American design usually the above requirement for several newspaper sections opposite.

Of the Invention is based on the object, a folding superstructure a web-fed rotary printing press and a triple-wide web-fed rotary press to accomplish.

The The object is achieved by the features of claim 1 or 8 solved.

The particular advantages of the invention are that with the former arrangement up to four fixed-format newspaper sections or two (non-collecting) or four (collecting) sections for larger ones Page width or up to four sections of smaller page width (Non-collecting) can be generated. Variable width material webs can advantageously without turn up to the folder be guided. This results in short Einziehwege and thus less waste of waste and easier feeding the material web. In addition, with the same web widths different formats due to the arrangement of the printing plates on the Plate cylinder produced. Due to the low height can the fold superstructure in existing systems (halls) without conversion to get integrated.

there are in a funnel plane four Längsfalztrichter next to each other arranged. The middle two formers are in their effective width adjustable and three of the longitudinal folding funnel are transverse to the direction of a web to be printed or displaceable across the machine.

In a preferred embodiment of the invention, the / the in the effective width adjustable (n) Längsfalztrichter a recess on one of its flanks, in which widening Filler is used.

advantageously, are located at the ends of the longitudinal folding funnel Funnels in one horizontal and / or one vertical Plane arranged.

One Embodiment of the invention is in the drawings and will be described in more detail below.

It demonstrate:

1 two different views a), b) and c) of a folding superstructure in the production of four strands in "standing" production (Broad-sheet) and a view of the resulting printed product;

2 two different views a), b) and c) of the fold superstructure in the production of two strands in "lying" production (tabloid) and a view of the resulting printed product.

In 1 a preferred embodiment of the invention in a first operating state of a printing press, in particular a web-fed rotary printing press is shown. It shows 1a ) a spatial view, 1b ) the representation of a product 24 and 1c ) a front view of the folding superstructure.

Four formers 01 ; 02 ; 03 ; 04 , in particular longitudinal folding funnel 01 ; 02 ; 03 ; 04 are juxtaposed in a horizontal plane, preferably on a funnel inlet roller 06 arranged.

A material web 07 is in a printing unit 08 with form cylinder 09 , in particular plate cylinder 09 and transfer cylinder 11 , in particular blanket cylinder 11 printed in a known manner. On the plate cylinder 09 are six printing plates 12 or pages 12 standing side by side and two printing plates 12 or pages 12 in the circumference of the plate cylinder 09 arranged. This is in the 1a ) both on the plate cylinder 09 , as well as on the material web 07 in front of the funnel inlet roller 06 shown.

In the illustrated first operating state are the Längsfalztrichter 01 ; 02 ; 03 ; 04 in a closed position. In this operating state, all Längsfalztrichter 01 ; 02 ; 03 ; 04 an effective width b1. One of the longitudinal folding funnel 01 supplied strand 13 comes for example from a second printing unit, not shown 08 , whose material web 07 for example, longitudinally cut and over turning bars 14 is supplied as a separate strand.

In this illustrated first operating state, the four Längsfalztrichter 01 ; 02 ; 03 ; 04 , z. B. the required four broadsheet sections in non-collection mode ( 1b )) or eight broadsheet sections in collection mode with equally wide newspaper pages. This will be the webs 07 each printed with six newspaper pages in width. Of course, several printing units 08 be assigned to the folding superstructure. But there are also other assignments of the printing cylinder possible.

The two outer Längsfalztrichter 01 ; 04 are fixed-sized and have on their inner flank 15 above the effective width b1 a recess 16 which preferably parallel to the adjacent flank 17 the inner Längsfalztrichter 02 ; 03 runs. The two inner longitudinal rebate funnels 02 ; 03 are wider in their width b1 (total width), z. B. 34 " wide. One of the inner longitudinal fold hoppers 03 , carries a recess 18 which is above the effective width b1 and parallel to the flank of the adjacent Längsfalztrichters 02 runs.

The four strands 19 be in a known manner a folder 21 fed.

In 2 different views of the fold superstructure in a second mode of operation (generation of two strands in "lying" production (tabloid)) are shown. It shows 2a ) again the spatial view, 2 B ) the product 24 and 2c ) the front view of the folding superstructure.

On the plate cylinder 09 are printing plates 12 or four pages 12 lying next to each other and four printing plates 12 or pages 12 arranged on the circumference. To adjust the fold superstructure to this mode of operation, the longitudinal folding hoppers were used 02 ; 03 ; 04 along the in 2c ) and in 1a ) shown arrows 22 postponed.

The middle longitudinal folding funnels 02 ; 03 have in this mode an effective width b2, the outer Längsfalztrichter 01 ; 04 are not used. For setting the effective width b2 on the longitudinal rebate hopper 03 was in the recess 18 a filler 23 used.

In tabloid production, a funnel cut is made in a known manner instead of the longitudinal fold. This is how the in 2 B ) shown products 24 ,

01

formers, longitudinal former

02

formers, longitudinal former

03

formers, longitudinal former

04

formers, longitudinal former

05

06

Former inlet roller

07

web

08

printing unit

09

Form cylinder, plate cylinder

10

11

Transfer cylinder, Blanket cylinder

12

Printing plate, page

13

strand

14

turning bar

15

flank

16

recess

17

flank

18

recess

19

strand

20

21

folding

22

arrow

23

filling

24

product

b1

Width, effective

b2

Width, effective

QUOTES INCLUDE IN THE DESCRIPTION

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

Cited patent literature

• US 4725050 [0005]
• - DE 2846191 A1 [0006]
• WO 97/17200 A2 [0007]
• - EP 1837179 A1 [0008]
• - EP 1992485 A2 [0009]

Claims (8)

Falzüberbau a web-fed rotary printing press with four juxtaposed Längsfalztrichtem ( 01 ; 02 ; 03 ; 04 ), characterized in that at least one of the two middle Längsfalztrichter ( 02 ; 03 ) is adjustable in its effective width and that at least one outer and one middle longitudinal folding funnel ( 01 ; 02 ; 03 ; 04 ) are arranged displaceably transversely to a machine flight. Folding superstructure according to claim 1, characterized in that the adjustable in its effective width Längsfalztrichter ( 03 ) a recess ( 18 ) has on one of its flanks, which parallel to an adjacent flank of the arranged alongside Längsfalztrichters ( 02 ) runs. Folding superstructure according to claim 2, characterized in that to increase the effective width of the width-adjustable Längsfalztrichters ( 03 ) a filler ( 23 ) in the recess ( 18 ) can be used. Folding superstructure according to one of claims 1 to 3, characterized in that in a first operating mode, an effective width (b1) of all longitudinal folding funnels ( 01 ; 02 ; 03 ; 04 ) is the same size. Folding superstructure according to one of claims 1 to 4, characterized in that in a second operating mode, an effective width (b2) of the two central longitudinal folding funnels ( 02 ; 03 ) is greater than an effective width (b1) of the outer Längsfalztrichter ( 01 ; 04 ). Folding superstructure according to one of claims 1 to 5, characterized in that both middle longitudinal folding funnel ( 02 ; 03 ) are adjustable transversely to the machine flight. Falzüberbau according to one of claims 1 to 6, characterized in that the funnel nose at the ends of the four Längsfalztrichter ( 01 ; 02 ; 03 ; 04 ) are arranged in a horizontal plane and / or in a vertical plane. Triple width web-fed rotary printing machine, by in that it has a folding superstructure according to one of Claims 1 to 7 comprises.