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

• 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.
• 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 a folding structure of a web-fed rotary printing press and a web-fed rotary printing press.
• 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.
• 4 shows an elevator in a perspective representation
• 5 shows a forme cylinder
• a in perspective
• b in longitudinal section
• c a holding element
• d a holding element with register device
• FIG. 13 shows a first exemplary embodiment of a short register device
• Fig. 19 is a front view of the fold structure with web guide.
• 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 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 remains in the case of the assignment of the same reference numerals i. d. R. disregarded.
• the inking unit 14 has an ink fountain 15 which extends over six printed pages.
• three ink fountains 15, each approximately two printed pages wide, are arranged side by side in the axial direction.
• the dampening unit 20 is in an advantageous embodiment as a four-roller spray dampening unit 20 executed.
• 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 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 transfer cylinder 17 in the first embodiment also has a scope 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.
• 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.
• 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 (not shown), which is bent at an acute angle (see FIG. 4), preferably comes at a wall of the opening 28 which is essentially completely shaped to be bent and which, with the lateral surface 30, has a suspension edge or nose at an acute angle ⁇ 'of 40 ° to 50 °, in particular 45 ° forms to the system.
• an adjusting means 32 is provided in the channel 27, which at its operation counteracts the force exerted by the spring element 31 on the clamping piece 29 and the clamping piece 29 swings 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.
• 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 continues the otherwise cylindrical contour of the cylinder 17 in the assembled state in the region of the bore 42.
• 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 axially next to each other a plurality of clamping pieces 43 are arranged as individual segments, each with at least one spring element 44 (shown "pulled” out of the cylinder 17 in FIG. 6a).
• several, eg, each section AB; CD; EF and each opening 38; 39; 41 are shown. 6c, for example ten such clamping pieces 43.
• sections AB; CD; EF of the respective channel 36; 37 which have no opening to the lateral surface 40, at least instead of the holding device 43, 44 or the holding devices 43, 44 a filling element 49 (FIG.
• 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; In the embodiment shown, 48 is designed 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 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 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.
• partial webs 03a '; 03b '; 03c 'from others, e.g. B. in another printing unit 02 or another printing tower 01 printed webs 03 'onto 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.
• a printing press with z. 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 structures 11, but also in a structurally common harp 09, for example in two alignments Printing machine with two sections or a total of four printing towers 01 (four webs 03; 03 ') can then produce a product with a total thickness of 96 pages in the collecting operation.
• 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 in terms of speed (with respect to an angular position), the drive motor 120 on the folder 12 is advantageously designed to be adjustable or regulated with respect to its angular position.
• 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.

Landscapes

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

Applications Claiming Priority (11)

Publications (1)

Family

ID=27512429

Family Applications (2)

Family Applications Before (1)

Country Status (5)

Families Citing this family (24)

Family Cites Families (25)

• 2002
  • 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
  • 2002-09-30 US US10/490,212 patent/US6892635B2/en not_active Expired - Fee Related
  • 2002-09-30 DE DE50214126T patent/DE50214126D1/de not_active Expired - Lifetime
  • 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 US US10/490,209 patent/US6899026B2/en not_active Expired - Fee Related
  • 2002-09-30 WO PCT/DE2002/003694 patent/WO2003031182A1/fr not_active Application Discontinuation

Non-Patent Citations (1)

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