Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H23/00—Registering, tensioning, smoothing or guiding webs
  • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
  • B65H23/032—Controlling transverse register of web
  • B65H23/035—Controlling transverse register of web by guide bars
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H45/00—Folding thin material
  • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
  • B65H45/28—Folding in combination with cutting

Definitions

• the invention relates to an arrangement for processing a web, a folded product of a web-fed rotary printing press and a web-fed rotary printing press according to the preamble of claims 1, 8 and 11, respectively.
• DE 25 28 008 A1 shows a printing machine for a direct printing process with forme cylinders which can be equipped with six printing plates in the axial direction and with two printing plates in the circumferential direction, and with impression cylinders which can be occupied with three in the axial direction and with a printing felt in the circumferential direction. Both the side-by-side printing plates and the side-by-side printing felts are each offset in the circumferential direction.
• DE 25 10 057 A1 also discloses a printing press with a direct printing process, the forme cylinder cooperating with an impression cylinder carrying six printing plates on its width and two on its circumference.
• JP 56-021860 A discloses a printing group with a form, transfer and impression cylinder, each of the three cylinders being driven by its own drive motor.
• DE 41 28 797 A1 discloses a triple-width web-fed rotary printing press with two folding formers arranged on two different levels one above the other.
• the printing units are designed as bridge printing units, the transfer cylinders being covered with blanket sleeves.
• WO 01/70608 A1 discloses a turning bar arrangement, wherein two turning bars which are essentially part of the web width are each displaceably arranged on a carrier transversely to the direction of the incoming part web.
• a register roller is arranged laterally outside the side frame. whose longitudinal axis runs essentially parallel to the side frame and which is also displaceable along a rail in a direction transverse to the direction of the incoming partial web.
• a folding structure is known from US Pat. No. 4,671,501 A, two folding formers being arranged one above the other, the webs being cut lengthwise in front of a third former after passing through idler rollers, the partial webs being rotated through 90 ° over a third former and then being combined into two strands are fed to the two funnels arranged one above the other.
• EP 10 72 551 A2 discloses a folding structure with two groups of former formers offset vertically from one another. Above each of the groups of hoppers is a harp, i.e. H. a group of collecting, take-off or also harp rollers is arranged, via which the relevant partial webs are fed to the assigned group of formers.
• a harp i.e. H. a group of collecting, take-off or also harp rollers is arranged, via which the relevant partial webs are fed to the assigned group of formers.
• a folding structure is known, according to which cut partial webs which are offset transversely to one another are fed to different folding formers.
• the horizontally side by side hoppers are z. T. vertically staggered.
• DE 44 19 217 A1 shows a superstructure of a web-fed rotary printing press with a Turning device, partial webs being offset by half a partial web width in order to guide them one above the other and to feed them to a common former.
• the invention has for its object to provide an arrangement for processing a web, a folded product of a web-fed rotary printing press and a web-fed rotary printing press.
• the number of reel changers (investment), the frequency of reel changes (production security) and the set-up time when drawing webs (cycle times) can be reduced compared to a double-wide press for the same product thickness.
• the printing units are designed as nine-cylinder satellite printing units, which on the one hand results in high precision in the color register and on the other hand results in a low-vibration design. Vibrations are also reduced by the advantageous arrangement, design and attachment of elevators on the cylinders.
• openings on the lateral surfaces are minimized in the circumferential direction.
• the openings can be arranged so as to be alternately offset in the circumferential direction in such a way that at least over a section length there is always a closed outer surface with the shape or Satellite cylinder works together.
• channels are provided which axially penetrate the bale over its entire effective length, but openings to the lateral surface only exist in the sections mentioned.
• B optionally devices for fastening elevator ends and / or filler pieces used.
• At least six devices for the axial positioning of printing forms are arranged in the axial direction in the channel or channels of the forme cylinders. These are e.g. B. designed as a form-fitting together with printing die cooperating register pins which are arranged axially movable manually or remotely within the channel.
• the design of the printing units with associated pressing devices is advantageous with regard to a register-accurate or register-accurate, reproducible loading of the forme cylinders with printing formes.
• elevators resting on the lateral surface of the cylinder can be fixed by at least one pressing element as needed, while one end of an elevator or several elevators is or are released for removal or for fitting.
• the drive of the satellite cylinder (s), which is mechanically independent of the cylinder pairs, has particular advantages with regard to the possibility of variable operation. For example, set-up during production, e.g. B. a flying change of printing form or washing. Conversely, a path can be drawn in while other cylinders or pairs of cylinders are standing or on Go through the setup program. It is also advantageous if rubber blankets with positive or negative promoting properties are present to operate the satellite cylinder with a surface speed that is different from the other cylinders.
• a superstructure of the printing press has at least one longitudinal cutting device with at least five knives spaced apart from one another transversely to the paper running direction.
• two register devices are provided per printing tower (or eight printing points each) that can be moved transversely to the paper running direction to compensate for the running paths of the partial webs.
• these can be structurally connected to turning sections that are each part of the width of the web.
• Subsequent guide elements, which are only assigned to partial webs, are also e.g. B. essentially only partially run.
• harp that is to say a plurality of usually unpowered run-on rollers, only one of two folding formers arranged one above the other. Sheets from the harp can be transferred to the other former. Strands of variable thickness or number of partial webs can be fed from the same alignment of partial webs lying one above the other to the two vertically arranged folding formers.
• partial webs from one harp assigned to one funnel group can be loaded on the other funnel group and vice versa.
• a so-called harp that is to say several generally unpowered run-on rollers (also called collecting or removal rollers), is only to be arranged in front of one of two folding formers arranged one above the other. Sheets from the common harp can then be transferred to the other former. Strands of variable thickness or number of partial webs can be fed from the same alignment of partial webs lying one above the other to the two vertically arranged folding formers.
• the partial web can only be displaced or offset by an odd multiple of half a partial web width. So it can be z. B. avoid with little effort to have to print very narrow webs or to provide additional printing units.
• the design of at least one of the turning bars, which can be moved transversely to the track, enables great variability.
• the drive of rollers of the former structure and / or of the folder, which is mechanically independent of the printing units, is particularly advantageous with regard to good registration and variable operation.
• FIG. 1 is a side view of a web-fed rotary printing press
• 2 shows a schematic front view of a printing unit
• 3 shows a schematic plan view of a printing unit
• FIG. 5 shows a forme cylinder; a: in perspective, b: in longitudinal section, c: a holding element, d: a holding element with register device;
• FIG. 6 shows a transfer cylinder; a: in perspective, b: in longitudinal section, c: a holding element, d: a filling element;
• FIG. 7 shows a device for pressing an elevator onto a cylinder
• FIG. 8 shows a first exemplary embodiment for driving a nine-cylinder satellite printing unit
• FIG. 9 shows a second exemplary embodiment for driving a nine-cylinder satellite printing unit
• Fig. 10 shows a third embodiment for driving a nine-cylinder satellite printing unit
• FIG. 11 shows an embodiment of the exemplary embodiment according to FIG. 8.
• FIG. 13 shows a first exemplary embodiment of a short register device
• FIG. 16 shows a front view of the harp with the web turned over according to FIG. 15;
• FIG. 17 shows a folding structure of a web-fed rotary printing press
• Fig. 19 is a front view of the fold structure with web guide.
• the web-fed rotary printing press shown by way of example in FIG. 1 has a left and a right section, each with at least two printing towers 01.
• the printing towers 01 have printing units 02 which, for. B. at least three times wide, d. H. for printing six newspaper pages arranged axially next to each other.
• the printing units 02 are designed as satellite printing units 02.
• the advantageous design of the printing units 02 as nine-cylinder satellite printing units 02 ensures a very good registration or a low fan-out.
• the printing units 02 can, however, also be used as ten-cylinder satellite printing units 02 or, if appropriate, also as printing units operable in rubber-to-rubber printing, such as, for. B. several bridge printing units or an H-printing unit 02 can be executed.
• the printing units 02 are fed webs 03 of rolls, not shown, in particular using roll changers.
• a superstructure 04 Downstream of a web 03 passing through the printing towers 01 or printing units 02, here above the printing towers 01, a superstructure 04 is provided in each section, in which the web 03 or webs 03 cut on longitudinal cutting devices 06, partial webs may be offset by turning devices 07 and / or overturned, can be aligned with one another in the longitudinal register by means of register devices 08 only indicated in FIG. 1 and can be guided one above the other.
• the superstructure 04 has at least one so-called harp 09 with a number of one above the other arranged, the webs 03 or partial webs 03a; 03b; 03c perform harp or overrun rollers.
• the harp 09 determines the hopper inlet of the webs 03 one above the other.
• the web 03 experiences a change of direction via this harp 09 and is then combined either as one strand or as several strands and fed to at least one folding structure 11.
• two folding structures 11 are arranged between the sections, which z. B. each arranged on two different levels one above the other.
• the printing press can also have only one common fold structure 11 arranged between the sections, or else only one section and an associated fold structure 11.
• the respective fold structure 11 can also be designed with only one level of formers.
• One or more folders 12 are assigned to each folder structure 11.
• the printing unit 02 has several, in the example four, printing units 13, by means of which ink can be applied to the web 03 from an inking unit 14 via at least one cylinder 16 designed as a forme cylinder 16 (FIG. 2).
• the printing unit 13 is designed as an offset printing unit 13 for the wet offset and, in addition to the inking unit 14, has a dampening unit 20 and another cylinder 17 designed as a transfer cylinder 17.
• the transfer cylinder 17 forms a pressure point with a pressure cylinder 18 forming an abutment.
• the printing cylinder 18 is designed as a satellite cylinder 18 which, together with further transfer cylinders 17, forms further printing points 13 in the printing-on position.
• the printing cylinder 18 could also be designed as a transfer cylinder 18 when the printing units are designed as double printing units in rubber-counter-rubber printing.
• the same parts are given the same reference numerals, unless this is necessary to distinguish them. However, there may be a difference in the spatial location and is usually not taken into account if the same reference numbers are assigned.
• the inking unit 14 has an ink fountain 15 which extends over six printed pages. In another embodiment, three ink fountains 15, each approximately two printed pages wide, are arranged side by side in the axial direction.
• the dampening unit 20 is designed in an advantageous embodiment as a four-roller spray dampening unit 20.
• the forme cylinder 16 has, for. B. a circumference between 850 and 1,000 mm, in particular from 900 to 940 mm.
• the scope is e.g. B. to accommodate two standing pages, z. B. newspaper pages in broadsheet format, by means of two elevators 19, z. B. flexible printing forms 19, formed.
• the printing formes 19 can be mounted on the forme cylinder 16 in the circumferential direction and, in the embodiment shown in FIG. 3, can be replaced individually as a single printing plate equipped with a printing side in the axial direction.
• the length L16 of the usable bale of the forme cylinder 16 in the first embodiment is, for. B. 1,850 to 2,400 mm, in particular 1,900 to 2,300 mm and is in the axial direction for receiving z. B. dimensioned at least six adjacent printed pages, in particular newspaper pages in broadsheet format, (see Fig. 3, sections A to F). It is u. a. Depending on the type of product to be manufactured, whether only one print page or several print pages are arranged next to one another in the axial direction on a printing form 19. In an advantageous wider variant of the first embodiment, the length L16 of the usable bale is between 2,000 and 2,400 mm.
• the forme cylinder 16 has z. B. a circumference between 980 and 1,300 mm, in particular from 1,000 to 1,200 mm.
• the length L16 of the usable bale is z. B. 1,950 to 2,400 mm, in particular 2,000 to 2,400 mm. The assignment corresponds to the above. Execution.
• the transmission cylinder 17 also has a scope in the first embodiment z. B. between 850 and 1,000 mm, in particular from 900 to 940 mm.
• the length L17 of the usable bale of the transfer cylinder 17 is z in the first embodiment. B. 1,850 to 2,400 mm, in particular 1,900 to 2,300 mm and is in the longitudinal direction side by side z. B. with three elevators 21, z. B. blankets 21, occupied (sections AB to EF). They extend in the circumferential direction essentially around the full circumference.
• the rubber blankets 21 have a favorable influence on the vibration behavior of the printing unit 13 during operation, alternating, for. B. by 180 °, offset from each other (Fig. 3).
• the length L17 of the usable bale is also between 2,000 and 2,400 mm.
• the transfer cylinder 17 has z. B. a circumference between 980 and 1,300 mm, in particular from 1,000 to 1,200 mm.
• the length L17 of the usable bale is z. B. 1,950 to 2,400 mm, in particular 2,000 to 2,400 mm.
• the assignment with elevators 21 corresponds to the first embodiment.
• Diameter of bales of cylinders 16; 17 are in the first o. G. Execution z. B. from 270 to 320 mm, in particular from about 285 to 300 mm. In the second above Execution is the diameter of bales of cylinders 16; 17 z. B. from about 310 to 410 mm, in particular from 320 to about 380 mm. A ratio of a usable barrel length of cylinders 16; 17 to their diameter should be 5.8 to 8.8, z. B. at 6.3 to 8.0, in a broad version in particular at 6.5 to 8.0.
• length L16; L17 of the usable bale is to be understood here as the width or length of the bale which is used to accommodate lifts 19; 21 is suitable. This corresponds approximately to a maximum possible web width of a web 03 to be printed. Relative to an entire length of the bale of the cylinders 16; 17 would be L16 to this length; L17 of the usable bale, the width of any existing bearer rings, of any grooves and / or of any existing surface areas, which z. B. for operating clamping and / or clamping devices must be accessible.
• the satellite cylinder 18 also essentially has the stated dimensions and ratios of at least the assigned transmission cylinder 17.
• the elevators 19; 21 are shown schematically in FIG. B. designed as flexible plates, the elevator 21 designed as a rubber blanket 21 being designed as a so-called.
• a plate-shaped printing form 19 or a carrier plate 23 for a rubber printing blanket consists i. d. R. made of a flexible but otherwise dimensionally stable material, e.g. B. made of an aluminum alloy, and has two opposite, in or on the cylinder 16; 17 ends 24 to be fastened; 26 with a material thickness MS of z. B.
• a leading end 24 is, for example, bent at an acute angle ⁇ of 40 ° to 50 °, in particular 45 °, and a trailing end 26 at an angle ⁇ of 80 ° to 100 °, in particular 90 °. If in the circumferential direction of the cylinder 16; 17, in particular of the transfer cylinder 17, only a single elevator 21 is applied, the length I of the elevator 21 corresponds almost to the circumference of this cylinder 17.
• the bent ends 24; 26 of the elevators 19; 21 now each in a on the circumference of the respective cylinder 16; 17 insertable in the longitudinal direction axially parallel, slot-shaped opening, the ends 24; 26 can be held, for example, by their shape, friction or deformation. However, they can also be fixed additionally by means which can be actuated by spring force, by pressure medium or by a centrifugal force which is effective during operation.
• the slot-shaped openings for in axial Direction of printing plates 19 arranged side by side on the forme cylinder 16 are in an advantageous embodiment each in alignment, for. B.
• FIG. 5a and b) show a perspective view of an example of an advantageous embodiment of the forme cylinder 16.
• Two channels 27 are provided in the cylinder 16, both channels 27 being continuous in the axial direction of the cylinder 16 at least over the entire length of the six sections Extend A to F in the bale (Fig. 5b). They are in the circumferential direction of the cylinder 16 z. B. offset from each other by 180 °. The arranged below a lateral surface 30 inside the cylinder 16, for. B.
• a slot width s16 of the opening 28 on the forme cylinder 16 in the circumferential direction is less than 5 mm and is preferably in the range from 1 mm to 3 mm (FIG. 5c).
• the folded ends 24; 26 of the printing form 19 can now be inserted into one of the openings 28 which are axially parallel on the circumference in the longitudinal direction and, at least the trailing end 26, can be fixed by a holding device 29, 31 arranged in the channel 27.
• the holding device 29, 31 here has at least one clamping piece 29 and a spring element 31 (FIG. 5c).
• the trailing hanging leg 26 (not shown), which is bent at right angles (see FIG. 4), preferably comes to rest on a wall of the opening 28 which is essentially completely shaped to be bent and is pressed there by the clamping piece 29 by a force exerted on the clamping piece 29 by the spring element 31.
• the leading suspension leg 24 (see FIG. 4), not shown at an acute angle, preferably arrives a wall of the opening 28 which is essentially complementary to the bend and which forms with the lateral surface 30 a hooking edge or nose at an acute angle ⁇ 'of 40 ° to 50 °, in particular 45 °, to the system.
• an adjusting means 32 is provided in the channel 27, which counteracts the force exerted by the spring element 31 on the clamping piece 29 and pivots the clamping piece 29 away from the wall or the end 26.
• not only one clamping piece 29 is located in each channel 27, but several clamping pieces 29 are arranged axially next to one another over the length of the sections A to F in the manner of segments, each with at least one spring element 31 (in FIG. 5a from the cylinder 16
• a plurality, for example six, of such clamping pieces 29 according to FIG. 5c are arranged per section A to F, with each section A to F being centered between the clamping elements 29, here between the third and fourth Clamping element 29 of each section A to F, in each case a register element 33 (FIG.
• register block 35 having a register block 35 is arranged, for example in a groove of a base 34 the register block 35 or register pin 35 can be moved and adjusted manually in the axial direction
• the register stone 35 can also be guided axially in a free cavity in the channel 27 or the fitting element 33 te actuator, e.g. B. a motor-driven threaded spindle, axially movable.
• the adjusting means 32 is designed such that when actuated, the holding device (s) 29, 31, ie all the clamping pieces 29, are closed or released simultaneously over the length of the sections A to F.
• 5a is shown as “pulled out” from the cylinder 16 as a hollow body 32 that extends axially in the channel 27 and can be actuated with pressure medium and extends at least over the length of the sections A to F, for example as a hose 32.
• This hose 32 is of the type shown in FIG arranged together in the channel 27, that it counteracts the self-locking spring elements 31 closing the holding device when actuated. It is passed through the areas of register elements 33 (FIG. 5d).
• FIG. 6a and b show a perspective view of an example of an advantageous embodiment of the transfer cylinder 17.
• the cylinder 17 there are two channels 36; 37 provided, both channels 36; 37 throughout in the axial direction of the cylinder 17 at least over the entire length of the six sections A to F or three sections AB; CD; EF, extend in the bale (Fig. 6b). They are in the circumferential direction of the cylinder 17 z. B. offset from each other by 180 °.
• Two of the three openings 38; 39 are connected to the same channel 36 and are aligned with one another in the axial direction but spaced apart on the lateral surface 40. Axially between the two openings 38; 39 there is a section U which continues the shape of the remaining lateral surface 40, in particular undisturbed, without opening.
• a slot width s17 of the uncovered opening 38; 39; 41 on the transfer cylinder 17 in the circumferential direction is in each case less than 5 mm and is preferably in the range from 1 mm to 3 mm (FIG. 6c).
• one or two ends of the slots 38; 39; 41 radially extending bores 42 may be provided, which can be closed or closed in the operating state of the cylinder 17 by means of a stopper (not shown) (FIG. 6b).
• the plug has an outer surface which the otherwise cylindrical contour of the Cylinder 17 continues in the assembled state in the area of the bore 42.
• the openings 38 in the circumferential direction of the cylinder 17 in a section perpendicular to the axis of rotation, only one of the openings 38; 39; 41 or one of the openings 38; 39; 41 arranged in a row. Viewed in this section, the openings 38 thus overlap; 39; 41 or the opening 38; 39; 41 not.
• the folded ends 24; 26 of the rubber blanket 21 are now each in one of the openings 38; 39; 41 can be inserted and are, at least the trailing end 26, in each case by at least one in the channel 36; 37 arranged holding device 43, 44 fixable.
• the holding device 43, 44 each has at least one clamping piece 43 and one spring element 44 (FIG. 6c).
• the trailing hanging leg 26 (see FIG. 4) which is not shown at right angles and preferably comes on a wall of the opening 38 which is essentially complementary to the edge; 39; 41 to the system and is pressed there by the clamping piece 43 by a force exerted by the spring element 44 on the clamping piece 43.
• the leading hooking leg 24 (not shown), which is not shown at an acute angle (see FIG. 4), preferably comes on a wall of the opening 38 which is essentially complementary to the bending; 39; 41, which forms a hooking edge or nose at an acute angle ⁇ 'of 40 ° to 50 °, in particular 45 °, with the lateral surface 40.
• 36; 37 not only a clamping piece 43, but are over the length of the sections AB; CD; EF arranged axially next to each other a plurality of clamping pieces 43 as individual segments, each with at least one spring element 44 (shown in FIG. 6a "pulled” out of the cylinder 17).
• AB, CD, EF and opening 38; 39; 6c several, for example ten, clamping pieces 43 of this type are arranged in sections AB; CD; EF of the respective channel 36; 37, which have no opening to the lateral surface 40, instead of the holding device 43, 44 or the holding devices 43, 44 at least one filling element 49 (FIG. 6d) is arranged in the channel 36; 37.
• filling elements 49 are individual segments in the relevant section AB; CD; EF of the channel which has no opening 36; 37. Centered between the holding devices 43, 44 of each section AB; CD; EF, ie in the area between sections A and B or E and F, here between the fifth and sixth clamping element 43, can also be used a filling element 49 (FIG. 6d) can be arranged.
• the filling element 49 essentially has a cross section of the channel 36; 37 modeled cross section and at least one through-going opening 51 in the axial direction through which an operating means for the actuating means 46; 47; 48 is feasible.
• the adjusting means 46; 47; 48 is designed in the embodiment shown such that when actuated, the holding device 43, 44 of a section AB; CD; EF, ie all clamping pieces 43 of a section AB; CD; EF, are closed or released at the same time.
• the adjusting means 46; 47; 48 is shown "pulled" out of the cylinder 17 in FIG. 6a.
• an adjusting means 46; 47 extends in each case at the end over at least the corresponding length of the section AB; EF.
• the middle opening Adjusting means 48 assigned to 41 likewise extends over at least the corresponding length of the assigned section CD however, also extend at least on one side to the end face of the cylinder 17 if it is advantageous for the supply of operating resources (FIG. 6a).
• the actuating means 46; 47; 48 are each axially in the channel 36; 37 extending and actuatable with pressure medium reversibly deformable hollow body 46; 47; 48, e.g. B. as a hose 46; 47; 48, executed.
• This hose 46; 47; 48 is shown in FIG. 6c with the clamping pieces 43 acting together in the channel 36; 37 arranged that it counteracts the self-locking spring elements 44, 44 closing spring elements 44 when actuated. It is passed through the areas of filler elements 49 to be passed through this or its opening 51 (FIG. 6d).
• each section AB; CD; EF each have a channel 36; 37, if necessary with a corresponding holding device, is provided, the channel 37 of the middle elevator 21 being offset by 180 ° with respect to the two outer ones.
• a printing unit 02 or cylinders 16; 17 advantageous embodiment is at least two cylinders 16; 17, in particular two forme cylinders 16, at least one of the printing towers 01 each have a device 52 for pressing an elevator 19; 21 to a cylinder 16; 17, in particular a printing form 19 on the forme cylinder 16, (hereinafter referred to as pressing device 52). This is e.g. B.
• a corresponding pressing device 52 has one or more pressing elements 53; 54, e.g. B. strips, plunger or rolling elements 53; 54, on which one or more elevators 19; 21 is or are adjustable. In this way, controlled and guided retraction or tensioning and / or detachment or removal of the elevator 19; 21 allows.
• the pressing device 52 extends along the cylinder 16; 17 at least in the entire area of sections A to F, ie in the area of the bale effective for printing.
• the embodiment of the pressing device 52 described in FIG. 7 is particularly advantageous also in connection with the embodiment described in FIG. 5 for the common adjusting means 32 which extends over all sections A to F.
• this constellation an individual or group-wise mounting, changing and / or removing is also possible for six printing formes 19 arranged next to one another on the forme cylinder 16, without an increased expenditure of actuating devices or operating means having to be carried out within the forme cylinder 16. This also considerably simplifies production, assembly and maintenance.
• the pressing device 52 has sections A to F (with six elevators 19 arranged next to one another) or section AB; CD; EF (with three lifts 21 arranged side by side) at least one first pressing element 53, e.g. B. rolling element 53, on.
• it has sections A to F or section AB; CD; EF a in the circumferential direction of the cylinder 16; 17 second pressing element 54, z. B. rolling element 54 on.
• the forme cylinder 16 only central sections B, C and D and the rolling elements 53; 54 shown.
• each section A to F or AB to EF is a first rolling element 53 and a group of three second ones Rolling elements 54 shown.
• a single rolling element 53; 54 for a section A to F or AB to EF is, for example, as a roller 53 which extends in the longitudinal direction almost over the length of the section A to F or AB to EF; 54 executed, a rolling element 53; 54 of a group, however, z. B. only as the highest having a fraction of the length of the section A to F or AB to EF roller 53; 54th
• the roller elements 53; 54 and, if provided, the rolling elements 53; 54 are basically movable independently of one another on, for example, a traverse 56 (or a plurality of traverses 56).
• the only first rolling element 53 or the group of first rolling elements 53 of each section A to F or AB to EF and, if provided, the only second rolling element 54 or the group of second rolling elements 54 of each section A to F or AB to EF are independent of each other by their own control means 57; 58 actuable.
• This adjusting means 57; 58 are, for example, reversible deformable hollow bodies 57; 58, in particular as a hose 57; 58 executed.
• different types of electrically or magnetically actuable actuating means can also be provided.
• the first or first rolling elements 53 assigned to this section A to F or AB to EF and, if provided, the second rolling elements 54 assigned to this section A to F or AB to EF are attached to the cylinder 16; 17 or to the already mounted elevator 19; 21 employed.
• first and second rolling elements 53; 54 presses when rolling the cylinder 16; 17 with the rolling elements 53; 54 the second rolling element 54 the trailing, bent end 26 of the elevator 19; 21 when rolling over into the opening 28; 38; 39; 41. If only first rolling elements 53 are or are provided, they are pressed into them.
• the rolling elements 53; 54 stationary, while the cylinder 16; 17 is rotated in a production direction P.
• the elevators 19; 21 advantageously held down by at least the second rolling elements 54.
• the elevator 19; 21 is at least the second rolling element 54 turned off so that the end 26 out of the channel 27; 36; 37 can escape, and the first rolling element 53 is turned on, so that the elevator 19; 21 still on the cylinder 16; 17 guided and held.
• the cylinder 16; 17, preferably against the production direction P are rotated until the leading end 24 out of the channel 27; 36; 37 removed, and the elevator 19; 21 can be removed.
• the rolling elements 53; 54 of the elevator 19; 21 relevant sections A to F or AB to EF generally take any operating positions, preferably switched off, during the procedure.
• the cylinders 16; 17; 18 of the printing unit 02 is driven in such a way that the printing units 13 of the printing unit 02 can each be rotatably driven by at least one drive motor 61 which is mechanically independent of the other printing units 13.
• the satellite cylinder 18 can also be driven mechanically by a drive motor 61 independently of the assigned printing units 13.
• the drive motors 61 are preferably controlled as regards their angular position electric motors 61, e.g. B. as asynchronous motors, synchronous motors or DC motors.
• electric motors 61 e.g. B. as asynchronous motors, synchronous motors or DC motors.
• the individual drives contribute to the high flexibility and to avoid vibrations in the mechanical drive system, and thus also to the high quality in the product.
• FIGS. 8 to 10 only the components on the right half of the figure have corresponding reference numerals, since the left side corresponds to the right side in mirror image.
• For top and bottom printing units there are alternative configurations for any existing dyeing or Dampening units 14; 20 indicated, which are to be transferred alternately to each other.
• Fig. 8 all nine cylinders 16; 17; 18 each have their own drive motor 61, each of which, for. B. via a gear 62 on the cylinder 16; 17; 18 drives.
• the inking unit 14 shown above has, in addition to other rollers, not designated, two distribution cylinders 63 which can be driven in rotation together by means of their own drive motor 64.
• the two distribution cylinders 63 can be axially moved and driven by a drive means, not shown, for generating an axial stroke.
• the inking unit 14 shown below has only one distribution cylinder 63.
• the dampening unit 20 shown above has, in addition to further rollers (not designated), two distribution cylinders 66 which can be driven in rotation together by means of a separate drive motor 67.
• the two distribution cylinders 66 can be axially moved and driven by a drive means, not shown, for generating an axial stroke.
• the dampening unit 20 shown below has only one distribution cylinder 66.
• the two cylinders 16; 17 of each printing unit 13 in the embodiment according to FIG. 9 each driven by a common drive motor 61 on the transfer cylinder 17.
• the drive can be axial, e.g. B. via a gear 62, or via a drive pinion on a drive wheel of the transfer cylinder 17.
• the drive wheel of the transfer cylinder 17 can then be driven to a drive wheel of the forme cylinder 16.
• the drive connection 68 (shown as a connecting line) can be made as a gear connection or via a belt and is embodied encapsulated in a further development.
• the drive motor 61 drives via a pinion 71 on a drive wheel 72 which is connected to the forme cylinder 16 in a torsionally rigid manner and which in turn drives on a drive wheel 73 which is connected in a torsionally rigid manner to the transfer cylinder 17.
• the drive wheel 73 is either widened or a second drive wheel 74 is connected to the transfer cylinder 17.
• the widened or additional drive wheel 73; 74 drives via a drive wheel 77 arranged rotatably on a pin 76 of the forme cylinder 16 onto a drive wheel 78 of the inking and / or dampening unit 14; 20.
• the drive wheels 72; 73; 74; 77; 78 are preferably designed as gear wheels.
• the forme cylinder 16 is designed to be axially displaceable to adjust the axial position by, for example, ⁇ ⁇ L
• at least the pinion 71 and the drive wheels 72 to 74 are straight toothed.
• Between the drive motor 61 and the gear 62 from pinion 71 and Drive wheel 72 can also be an encapsulated attachment gear 62 'indicated by dashed lines.
• the drive on the forme cylinder 16 can alternatively also take place axially on the pin 76, with an axial movement of the forme cylinder 16 possibly taking place via a coupling, not shown, which receives an axial relative movement between the forme cylinder 16 and the drive motor 61.
• each drive train driven by an independent drive motor 61 is encapsulated at least for itself, possibly in even smaller units (shown in broken lines in FIG. 11).
• the described configurations of the printing unit 02 or the printing units 13 or their cylinders 16; 17; 18 or the drive enables low-vibration, precisely fitting printing of high quality with a low technical and spatial expenditure in relation to the achievable product strength.
• the web 03 is, for example, in several, z. B.
• FIG. 12 shows a perspective oblique view of a first exemplary embodiment for at least part of the superstructure .04.
• the partial web 03b is shown as an example in FIG. 12 as partial web 03b turned outwards from the center.
• a second of the partial webs 03a; 03c could also be turned into another escape, for example, by means of a second turning device 07 of this type.
• a second turning device can e.g. B. lie above or below the first turning device 07.
• the turning device 07 has two parallel or crossed turning bars 82 as the guide element 82, which are connected to the transport direction of the incoming partial web 03a; 03b; 03c form an angle of approximately 45 ° or 135 °, and by means of which an incoming web 03a; 03b; 03c laterally displaceable and / or fallable.
• the turning bars 82 advantageously have a length L82, the projection of which onto the transverse extent of the incoming partial web 03a; 03b; 03c slightly larger, e.g. B. 0% to 20% larger than the width of the incoming partial web 03a; 03b; 03c, ie the length L82 is approximately 1.4 to 1.7 times the width of the partial web.
• the turning bars 82 are each individually supported on supports 83 which run transversely to the direction of the incoming partial web 03a; 03b; 03c can be moved on at least one guide 84.
• the now “short” turning bars 82 can now be moved from the desired web guide into the required position depending on the requirements. Under certain circumstances, both turning bars 82 can also be mounted on such a carrier 83.
• the register device 08 has at least one roller 86 which can be moved parallel to the running direction as the guide element 86.
• the roller 86 or a plurality of rollers 86 of the register device 08 advantageously have a length L86 which is insignificantly longer, for. B. 0% to 20% larger than the width of the incoming partial web 03a; 03b; 03c is. At least the length L86 is less than or equal to twice the width of a two-side-wide partial web 03a; 03b; 03c.
• the register device 08 is transverse to the direction of the incoming partial web 03a; 03b; 03c mounted on at least one guide 87 so that it can be moved.
• the now narrow register device 08 or its short rollers 86 can now be brought into the required position from the desired web guide as required.
• the “short” harp roller 88 is realized as a section 88 of a harp roller 89 that is divided in this embodiment, but overall extends over a web 03 that is six printing pages wide.
• the sections 88 are rotatably supported here independently of one another.
• the “short” harp roller 88; 93 as guide element 88; 93 can also be designed as a harp roller 93 arranged individually on a frame. This can then either be fixed to the frame or else be arranged on a carrier 94 on a guide 96 transversely to the direction of the incoming partial web 03a; 03b; 03c.
• the required register device 08 can at least one run the partial web 03a; 03b; 03c determining guiding elements, such as. B. the turning device 07 or a turning bar 82 or the harp 09 or a "short" harp roller 93.
• the "short” register device 08 is assigned, for example, to the “short” harp roller 93 and together with this on the guide 96 transversely to the direction of the incoming partial web 03b; 03c changeable.
• the “short” register device 08 is assigned, for example, to one of the “short” turning bars 82 and, together with this, can be changed in position on the guide 84 transversely to the direction of the incoming partial web 03b.
• This arrangement is shown here for crossed turning bars 82, but can be applied to parallel turning bars 82 from FIG. 11.
• register and turning device 08; 07 or “short” devices which can be moved together are arranged above or below one another with register and harp roller 93.
• the guides 84; 96 (FIGS. 13 and 14) of the exemplary embodiments mentioned can be implemented in a wide variety of ways.
• the guides 84; 96 can be designed as spindles with at least section threads, which are rotatably mounted on both sides and z. B. can be driven in rotation by a drive, not shown.
• the carrier 83; 94 can also be in the form of sliding blocks in rigid guides 84; 96, e.g. B. on profiles. A drive of the carrier 83; 94 also take place via a drivable spindle or in another way.
• Variable crossovers or offsets of partial webs 03a; 03b; 03c possible over one or two part web widths (or multiples of half a part web width).
• the printed partial webs 03a; 03b; 03c into the alignment of one of several, here three, fold former 101 arranged transversely to the direction of travel; 102; 103 (Fig. 15) of the folding structure 11 brought.
• the transfer takes place, for example, to meet the requirement for different thicknesses of individual strands or ultimately intermediate or end products, while at the same time effective printing with the fullest possible Web widths should take place.
• the superstructure 04 advantageously has at least (n * (m / 2 - 1)) turning devices 07.
• n * (m / 2 - 1) the number of turning devices 07 per section.
• a printing press with e.g. B. two sections of three printing towers 01 and a total of six four-page wide webs 03; 03 '; 03 ", at least three turning devices 07 are arranged per section.
• a printing press with z. B two sections each of two printing towers 01 and a total of four webs 03; 03 '; 03 ", for example, four turning devices 07 are arranged per section.
• this printing press with two sections or a total of four printing towers 01 (four webs 03; 03 ') a product with a total thickness of 96 pages can then be produced in the collecting operation
• a partial web 03a; 03b; 03c is offset by an integer multiple of its partial web width b03a
• one mode of operation is advantageous, with a partial web 03a; 03b; 03c being an odd multiple of half a partial web width b03a and / or funnel width (ie by a factor of 0.5; 1, 5; 2.5) (FIG.
• the turning bars 82 are then arranged, for example, as shown in FIG. 15, in such a way that the first of the partial web 03a; 03b; 03c wrapped turning bar 82 at least over an entire width of a subsequent former 101; 102; 103 escapes, while the second turning bar 82 has at least two adjacent halves of two subsequent folding former 101; 102; 103 escapes.
• the partial web 03a; offset by an odd multiple of half a funnel width b101 or partial web width b03a; 03b; 03c thus runs "between" the former formers 101; 102; 103.
• This is shown in FIGS. 15 and 16 using the example of the six-page-wide former arrangement on a two-sided part web 03a; 03b; 03c, but can also be transferred to machines of different widths
• No partial webs 03a; 03b; 03c or partial webs 03a; 03b; 03c of half a hopper width b101 need to be printed as such and fed through the machine, but a great variety in the product is still possible.
• the partial web 03a; offset by an odd multiple of half a partial web width b03a; 03b; 03c is in front of the former 101; 102; 103 in a between the two aligned folding formers 101; 102; 103 lying escape cut lengthways and runs on the folding structure 11 or the harp 09, d. H. undivided and / or divided harp roller 89 and / or “short” harp roller 93, too (FIG. 16).
• FIG. 16 is a schematic section of FIG. 15 with harp rollers 89; 93, the partial web 03c being displaced by one and a half partial web widths b03a from its original position (shown unfilled). It can, if, for example, with a further longitudinal cutting device 104 in front of the formers 101; 102; 103 is cut (then in each case one printed page or newspaper page wide), each half with the partial webs 03a and 03b onto a former 100; 102 are performed.
• the two (intermediate) products then have e.g. B. at least one partial web 03c1; 03c2 of a partial web 03a; 03b; 03c on.
• partial webs 03a '; 03b '; 03c 'from others, e.g. B. in another printing unit 02 or another printing tower 01 printed webs 03 'on one or more of the Harp rollers 89; 93 accumulate.
• the partial webs 03a, 03a ', 03c1; 03b, 03b ', 03c2; 03c 'can now e.g. B. each to a strand 109; 111; 112 summarized a former 101; 102; 103 are supplied.
• two webs 03 each printed on both sides, in double-sized and triple-wide printing units (eg four-color), can thus be 03 'Produce products or intermediate products (also called booklets or books) with the following, depending on the occupancy of the forme cylinder 16 and the corresponding mode of operation of the folder 12, different number of pages:
• the forme cylinder 16 is different in the circumferential direction with two printing forms 19
• Print pages A1, A2 to F1, F2 (or A1 ⁇ A2 'to F1 ⁇ F2' for the second web 03 ') are occupied and in the folder 12 there is a cross cutting and gathering, so there are two different booklets on the strands 109 and 111, respectively each with 10 printed pages, and two different booklets, each with 4 printed pages, can be produced via strand 112.
• An overall product has e.g. B. 48 pages. If this printing press is operated in double production, ie the forme cylinder 16 is provided with two printing formes 19 with the same printing pages A1, A1; to F1, (or A1 ', A1' to F1 ', F1') and there is no collection in the folder 12, two identical successive booklets of the above page numbers can be generated via the strands 109, 111 and 112. A total product with only 24 pages but with double output is produced.
• the harp rollers 89; 93 in particular if they are undivided over the full length, can be driven in rotation in a further development via own drive motors, not shown. These are then z. B. in terms of their speed, u. U. also their position, designed to be controllable and are connected to the machine control or an electronic master axis to take over current setpoints.
• the fold structure 11 has at least two fold formers 101, 106; 102, 107; 103, 108, the planes of symmetry S of which are each in a common alignment of a straight line passing through the printing press Partial web 03a; 03b; 03c lie.
• the planes of symmetry S of the two stacking formers 101, 106; 102, 107; 103, 108 essentially together with a center plane M of a two-sided wide, straight running, only diverted in the vertical direction 3a; 3b; 3c (3a ';3b'; 3c 'or 3a ";3b”; 3c "or 3a'"; 3b '";3c'” etc.).
• the partial webs 3a; 3b; 3c etc. are partly drawn through in FIG. 17 for a reason explained below (relating to FIG. 18) and shown in broken lines for another part.
• two groups of three formers 101, 102, 103 and 106, 107, 108, respectively, are arranged vertically offset from one another for the six printing pages wide printing machine. For four printing pages wide printing machines this can be two, for eight pages wide printing machines four funnels each other.
• An upper and a lower former 103, 106; 102, 107; 103, 108 are aligned in pairs in the above-mentioned manner to one another and to a central plane M.
• the three formers 101; 102; 103 and 106; 107; 108 of a group are transverse to the running direction of the partial webs 03a; 03b; 03c offset from one another and, in an advantageous embodiment, arranged essentially at the same height. However, if necessary, they can also be vertically offset from one another and / or have different vertical dimensions.
• B. at least partially overlap in the horizontal plane.
• the fold structure 11 When viewed in the direction of web travel, the fold structure 11 has at least one of the groups of former formers 101; 102; 103 and 106; 107; 108 the funnel inlet of the webs 03; 03 '; or partial webs 03a; 03b; 03c defining harp 09, ie a group of a plurality of parallel roller or harp rollers 89; 93 on which different tracks 03; 03 'or partial webs 03a; 03b; 03c; or 03a '; 03b '; 03c 'etc. are transferred from the superstructure 04 into the folding structure 11. Following the harp rollers 89; 93 they become a strand 109; 111; 112 or more strands 109; 111; 112 summarized.
• the later location of the partial railway 03a; 03b; 03c; or 03a '; 03b '; 03c 'in strand 109; 111; 112 or its printed pages in the intermediate and / or end product is, among other things, chosen by the choice of a position relative to other partial webs 03a; 03b; 03c; or 03a '; 03b '; 03c 'already set in harp 09.
• the harp rollers 89; 93 of a harp 09 are offset vertically and / or horizontally from one another and are preferably mounted as a structural unit in a common frame. In principle, for each of the groups of folding formers 101; 102; 103 and 106; 107; 108 such a harp 09 can be provided.
• the two folding former 101, 106; 102, 107; 103, 108 a common harp 09.
• the harp 09 advantageously has at least (n * m / 2) harp rollers 88; 89; 93, whose axes of rotation z. B. lie essentially in a common plane, and which are preferably stored in a common frame.
• two lanes 03; 03 '(or two printing towers 01) are at least six harp rollers 88; 89; 93 per harp 09 is an advantage.
• a printing press with z. B. two sections each of two printing towers 01 and a total of four webs 03; 03 '; 03 "are at least six Harp rollers 88; 89; 93 per harp 09 arranged in a section. These six harp rollers 88; 89; 93 per section, so here twelve, can be in two structurally separate harps ' 09 z. B. over a common fold structure 11 or two fold structures 11, but also in a structurally common harp 09 z. B. be arranged in two alignments.
• a product with a total thickness of 96 pages can then be produced in the collecting operation.
• a printing press with e.g. B. two sections each of two printing towers 01 and a total of four webs 03; 03 '; 03 ", at least six harp rollers 88; 89; 93 per harp 09 are arranged in a section.
• These six harp rollers 88; 89; 93 per section in this case twelve, can be arranged in two structurally separate harps 09, for example over a common folding structure 11 or two fold assemblies 11, but also in two structurally common harp 09, for example in two alignments, in this printing machine with two sections or a total of four printing towers 01 (four webs 03; 03 ') there is a product with one in the collecting operation Total thickness of 96 pages can be generated.
• the harp rollers 89; 93 of the two escapes are z. B. again arranged in a common frame.
• the described folding structure 11 with a common harp 09 it is advantageous in terms of flexibility to use all the printing units 02 or printing towers 01 or the paths of the web 03; 03 'with the same color. So z. B. the train 03; 03 'and / or partial web 03a; 03b; 03c etc. or the printing unit 13 can be flexibly selected for a colored cover sheet and the thickness of the intermediate products can be varied.
• the above-mentioned folding structure 11 with only one harp 09 for two folding former 101; 102; 103; 106; 107; 108 is also suitable for other printing presses with other cylinder widths and cylinder sizes.
• Such a, consisting of two stacking formers 101; 102; 103; 106; 107; 108 and a common harp 09 existing folding superstructure 11 can also be arranged above a third former with its own harp 09.
• the folding structure 11 described with a plurality of vertically offset folding formers 101; 102; 103; 106; 107; 108 assigned harp 09 is also on three stacked former 101; 102; 103; 106; 107; 108 well applicable.
• Outside pages of an outer book can thus be assigned to a specific web guide and / or a specific printing tower / printing unit.
• 108 pull rollers 117 and funnel inlet rollers 118 arranged upstream each have their own drive motors 119 (FIG. 19) as are provided in the fold structure 11 (FIG. 19).
• Fig. 19 is the pull roller 117 for the lower group of formers 106; 107; 108 not visible.
• the respective drive motor 119 of the pull rollers 121 is shown in FIG. 19 only by filling the respective pull roller 121.
• at least one traction roller 121 driven in this way is arranged downstream, which is connected to the rollers 109 with pressure rollers or a pressure roller.
• 111; 112; 113; 114; 116 interacts.
• the folding structure 11 preferably has non-driven guide rollers 122, via which the strands 109; 111; 112; 113; 114; 116 can be performed.
• the folder 12 also has at least one drive motor 120 that is mechanically independent of the printing units 02. While the drive motors 119 of the pulling or funnel inlet rollers 117; 118; 121 of the folding structure 11 and / or driven drawing rollers 81 of the superstructure 04 need only be designed to be regulated with respect to a rotational speed (with respect to an angular position), the drive motor 120
• the printing units 02 and the folder 12 which are driven mechanically independently of one another, with an angular position with regard to a virtual electronic master axis.
• for. B. determines the angular position of the folder 12 (or its drive motor 120) and, based on this, predetermines the relative angular position of the printing units 02 or printing units 13.
• the z. B. only with respect to their speed regulated drive motors 80; 119 of the driven rollers 81; 117; 118 receive their speed specification from the machine control, for example.
• the respective page numbers must be doubled.
• the dimensioning of the cylinder 16; 17; 18 and the groups of formers 101; 102; 103; 106; 107; 108 is to be applied accordingly to "lying" printing pages, whereby in the circumferential direction or running direction of the web 03; 03 ';03a;03b; 03c a section A; B; C has two lying printing pages, the forme cylinder 16 then, for example, the number of printed pages in the longitudinal direction remains per web 03; 03 ';03a;03b; 03c or cylinder 16; 17; 18 or funnel width.
• Printing tower printing unit satellite printing unit, nine-cylinder satellite printing unit, ten-cylinder satellite printing unit, H-printing unit web, sub-web a web, sub-web b web, sub-web c web, sub-web c1 sub-web c2 sub-web superstructure
• Folding structure folding unit printing unit offset printing unit inking unit inking unit cylinder, forme cylinder cylinder, transfer cylinder printing cylinder, satellite cylinder elevator, printing form, printing plate dampening unit, spray dampening unit elevator, rubber blanket, metal printing blanket layer carrier plate End, leading, hanging leg

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• Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
• Rotary Presses (AREA)
• Unwinding Webs (AREA)
• Discharge By Other Means (AREA)
• Bending Of Plates, Rods, And Pipes (AREA)

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• 2002
  • 2002-09-30 US US10/490,212 patent/US6892635B2/en not_active Expired - Fee Related
  • 2002-09-30 WO PCT/DE2002/003694 patent/WO2003031182A1/fr not_active Application Discontinuation
  • 2002-09-30 DE DE50214126T patent/DE50214126D1/de not_active Expired - Lifetime
  • 2002-09-30 US US10/490,209 patent/US6899026B2/en not_active Expired - Fee Related
  • 2002-09-30 WO PCT/DE2002/003693 patent/WO2003031181A1/fr not_active Application Discontinuation
  • 2002-09-30 EP EP02776751A patent/EP1448394A1/fr not_active Withdrawn
  • 2002-09-30 EP EP02776750A patent/EP1434694B1/fr not_active Expired - Lifetime
  • 2002-09-30 AT AT02776750T patent/ATE452758T1/de not_active IP Right Cessation

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