EP0329814A1 - Dispositif de pliage longitudinal d'une bande - Google Patents

Dispositif de pliage longitudinal d'une bande Download PDF

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Publication number
EP0329814A1
EP0329814A1 EP88102941A EP88102941A EP0329814A1 EP 0329814 A1 EP0329814 A1 EP 0329814A1 EP 88102941 A EP88102941 A EP 88102941A EP 88102941 A EP88102941 A EP 88102941A EP 0329814 A1 EP0329814 A1 EP 0329814A1
Authority
EP
European Patent Office
Prior art keywords
web
folding
plow
head
roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP88102941A
Other languages
German (de)
English (en)
Other versions
EP0329814B1 (fr
Inventor
Robert Schindler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baldwin Gegenheimer GmbH
Original Assignee
Baldwin Gegenheimer GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Baldwin Gegenheimer GmbH filed Critical Baldwin Gegenheimer GmbH
Priority to AT88102941T priority Critical patent/ATE72201T1/de
Priority to EP88102941A priority patent/EP0329814B1/fr
Priority to ES198888102941T priority patent/ES2028149T3/es
Priority to DE8888102941T priority patent/DE3868262D1/de
Publication of EP0329814A1 publication Critical patent/EP0329814A1/fr
Application granted granted Critical
Publication of EP0329814B1 publication Critical patent/EP0329814B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/22—Longitudinal folders, i.e. for folding moving sheet material parallel to the direction of movement

Definitions

  • the invention relates to a device for longitudinally folding a web, which is preferably used in the processing of printing webs in connection with a folding apparatus set up after the printing units of a web-fed rotary printing press.
  • the web running diagram, the product design based on the folding devices of the folding apparatus and the present device for longitudinal folding are shown in DE 36 15 121 A1.
  • a device for longitudinal folding of the generic type is shown in US 44 21 501.
  • the plow fold head with plow shoes arranged on both sides allows the production of a longitudinal fold when a plow shoe is loaded and the so-called altar fold when both plow shoes are loaded.
  • the support body can be specified in different widths for different web widths or in the case of the attachment of an altar fold with different required spacing of the parallel folds lying parallel to the altar fold, in that different support body segments are assembled, which in total result in the required dimensioning for the support body.
  • the path guiding surface of the support body which can also be designed to be stationary, as in the case of the plow shoes, is provided by the casing pieces of rotating rollers.
  • the plow fold head can be adjusted perpendicular to the plane formed by the inlet and outlet rollers and continues transversely to the direction of web travel in the required direction Foldable position.
  • the x, y, z directions stand for the web running direction (folding direction, unwinding direction), axial direction (transverse to the web running direction), deflection direction (perpendicular to the web running direction plane, perpendicular to the plane formed by the infeed and outfeed roller).
  • a printing material web D shown in FIG. 1 Backward to the device for longitudinally folding a printing material web D shown in FIG. 1 are the printing units (not shown), the dryer, the cooling rollers, and possibly the perforating and gluing unit. Seen in the forward direction, the web D runs, if necessary, in further longitudinal folding devices, then through the usual stations integrated in the folder or through stations set up outside the folder for cross cutting, trimming and cutting out, so that the highest possible degree of in-line production is achieved.
  • a pulling group 12 each, consisting of a pulling roller and several pressure rollers.
  • the train groups 12 are connected to one another via control gears connected to the longitudinal shafts, so that the speed ratios suitable for the respective production conditions can be set separately.
  • the inlet and outlet rollers 2, 3 are installed in a roller displacement 4.
  • the suspension of the inlet and outlet roller 2, 3 each comprises a block 13 on which a pivot lever 14 is rotatably mounted.
  • the end of the pivot lever 14 is connected to the roller axis.
  • a locking pin 15 allows the pivot lever 14 to be fixed in different angular positions on the block 13.
  • the block 13 and the respective roller 2, 3 attached to it can be moved back and forth.
  • This linear positioning path is superimposed on the circular positioning path, due to the circular path at the end of the pivot lever 14.
  • the travel path is generated via a servo link 6.3, 6.4, the position is tapped via a position transmitter 31.3, 31.4.
  • Limit switches 33 limit the respective adjustment range on both sides.
  • the position of the plow fold head 1 and the position of the block 13 within the adjustment range, seen for the inlet and outlet rollers 2, 3, determine the production-specific fold geometry. This varies depending on the wrapping width, ie the distance from the web edge to the longitudinal fold or from the previous longitudinal fold to the new longitudinal fold to be formed, and depending on the printing material quality.
  • the train groups 12 are fixed because of the drives. Since fixed web rollers restrict the development paths, the processing to be used for plow folding can only be designed by changing the position of the inlet, outlet roller 2, 3 and plow head 1. Other web guide rollers therefore play no role in the relevant processing.
  • the block 13 and the pivoting lever 14 are set differently for the inlet and outlet rollers 2, 3 than for the structure with the overshot mode of operation of the plow fold head 1 according to FIG. 4b.
  • a cross member 10 extending transversely between the frame walls 34 is arranged to be movable up and down by means of an actuator 5.5.
  • the movement is initiated by a servo link 6.5, transmitted by means of shaft 16.1 running through the crossmember 10 via worm gears on lifting sleeves 17, which climb up and down on fixed spindles 18.
  • the tapping of the height adjustment of the plow rebate head 1 responsible for the deflection of the path D takes place via a rack 32 which is fixed to the frame and parallel to the height displacement of the cross member 10 and along which a position sensor 31.5 is guided.
  • the position transmitter 31.5 is fastened to the lifting sleeve 17.
  • the height adjustment range is limited at the top and bottom by limit switches 33.
  • the entire structure connected to the traverse 10 is raised or lowered.
  • a pivoting of the plow fold head 1 is possible via a laterally arranged swivel drive 20 rotating the cross member 10, formed by a worm gear.
  • the swivel drive 20 serves to swivel the plow fold head 1 from the undershot to the oversleep position and vice versa by at least 180 ° in the swivel direction A, indirectly also to adjust the inclination of the blade 35 of the plow shoe 8.
  • the arm 11 holding the plow fold head 1 projects away from a block 19 which on the one hand is slidably supported on the cross member 10 and on the other hand is guided along a rod 21.
  • the rod 21 with an axis-parallel course to the cross member 10 is fastened between two plates 22. Between the plates 22, the guide area of the block 19, which is secured on both sides by limit switches 33, extends approximately.
  • the block 19 has an actuator 5.1 in the form of a rack and pinion drive, which is operated by a servo link 6.1.
  • the servo link 6.1 interacts with a position transmitter 31.1, which delivers signals via the travel y1.
  • the plow fold head 1 is attached to the arm 11 via a flange connection 27.
  • the flange connection 27 can be released by a quick-release fastener for the quick replacement of the plow fold head 1 when the format is changed.
  • a shaft 16.2 leads from a drive at one end of the shaft 16.2 via an angular gear 23 at the head end, arranged at the other end of the shaft 16.2, to an actuator 5.2.
  • the actuator 5.2 can be activated by the servo link 6.2.
  • the rotational movement of the shaft 16.2 in the arm 11 is converted into a straight-line movement in the y direction. This movement causes a displacement of the sides of the plow fold head 1 and a change in the dimensioning of the support body 9.
  • a roller 7 forms a toothed pair with another roller 7 arranged in the same axis. With full tooth closure, d. H. The smallest axial width of the rollers 7 of the pair of rollers provides the smallest working width of the support body 4. With increasing axial displacement of the rollers 7, the gaps grow from the tooth tip to the tooth base, and the working width increases.
  • the actuating movement and the profile of the rollers 7 can also be carried out differently. So the adjustment is axial / tangential when the rollers 7 interlock spirally.
  • the support body 9 be formed from several pairs of rollers for larger amounts of the adjustment stroke. The largest adjustment stroke then results in the sum of the design, maximum adjustable column.
  • the adjustment movement of the support body 9 is transmitted to a small threaded spindle, from which the travel y2 is removed using a position sensor 31.2.
  • a moving tab 29 switches the limit switches 33.
  • the lines of the electrical devices of the plough head 1 lead to a plug connection which is expediently set up for changing heads.
  • the structure of the support body 9 with a pair of rollers (Fig. 5a), with a larger width with two pairs of rollers (Fig. 5b) can be expanded by integrating normal roller sections 26 (Fig. 5c).
  • the plow fold head 1 is adapted to the various web width formats and fold formats to be processed for altar folds.
  • rollers 7 enable the adjustable travel y2 to be bridged over the width of the supporting body, and consequently the working width of the plough head 1, without the formation of grooves and shoulders. Minor surface interruptions, seen over the circumference, are compatible with flawless printing web processing. They can also be further reduced by choosing a finer division of the interlocking profile on the circumference.
  • stationary jacket pieces 7 can also be arranged, which are toothed in their supporting area within the web wrapping area likewise in the axial direction or in the axial / tangential direction according to the type of thread pitch, in order to make the support body 9 narrower and wider to guarantee.
  • the compulsory longitudinal folding of the web D leads to an irregular web tension course and therefore to no immediate sharp fold formation and superimposition of the folded web part on the continuing web part.
  • a further web deflection is set up up to the outlet roller 3, starting from a roller 30.1 or a rod 30.2.
  • the roller 30.1 or the rod 30.2 act as a closing device 30. Without a closing device 30, the later easy opening and inflation of the folded, superimposed web strands is stronger.
  • the holder of the closing device 30 is related to the outlet roller 3 so that its position relative to the outlet roller 3 is retained regardless of the displaceable position of the outlet roller 3.
  • a bar 37 is connected to the axis of the discharge roller 3 on both sides and on the other side, which can be clamped in a selectable angular position.
  • the strip 37 has an elongated hole 28, approximately radially to the axis of the outlet roller 3, in which one end of the roller 30.1 is to be moved and fastened in the selected position.
  • the closing device 30 is axially parallel to the outlet roller 3.
  • the closing device 30 can also be inclined approximately in the direction of the inclination of the part which has not yet been fully driven in.
  • the inclination relates both to the parallelism of the planes which can be laid by the closing device 30 and the outlet roller 3 and to the angular positions of the axis of the axis lying outside of it Locking device 30 for the outlet roller 3, z. B. skewed.
  • the locking device 30 In the case of a rod 30.2, which is directed obliquely from a setting point P1 further from the exit roller 3 at the length of the longitudinal fold to a setting point P2 closer to the exit roller 3 at the level of the folded-in web edge or the previously produced longitudinal fold, the oblique course of the longitudinal web fibers which is forced during plow folding more balanced.
  • the operation of the locking device 30 can also be automatically adapted to different distances and direction angles to be set between the plow fold head 1 and the outlet roller 3 by the suspension of the locking device 30 being designed to be traceable.
  • the tracking is carried out with a coupling 36 between the bar 37 and the plow shoe 8.
  • the coupling 36 has a attachment.
  • the coupling 36 ensures the correct alignment of the blade 35 on the plow shoe 8 and the locking bar 30.2.
  • suspension of the locking device 30 can be designed by means of a suspension point with a cantilevered construction or with the aid of two suspension points.
  • the actuators 5.1 ... 5.5 created are adjusted with the aid of servo links 6.1 ... 6.5.
  • the individual operating positions are sensed by position sensors 31.1 ... 31.5.
  • the inlet roller 2, outlet roller 3, center position of the plow fold head 1, position of the edges of the plow shoes 8 and working width of the plow fold head 1 can thus be adjusted in a controlled manner.
  • the driven setting positions can be registered by the position sensors 31.1 ... 31.5 and storable. In the case of repeat jobs, the setting data for presetting can be used.
  • the control and arithmetic unit assigned to the device for longitudinally folding the printing web is connected to the master computer of the printing press if required.
  • both the display of the positioning coordinate values, the plow fold head type according to the format and the driven support dimension, as well as the loading of the servo links 6.1 ... 6.5 are carried out from the control station of the printing press or from a secondary control room.
  • each plow fold head type may contain an electronic identifier from the outset. If necessary, the positioning systems can also be used to guide the longitudinal fold register.
  • the device for longitudinally folding a web D can optionally be fed by a web pulling system.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
EP88102941A 1988-02-26 1988-02-26 Dispositif de pliage longitudinal d'une bande Expired - Lifetime EP0329814B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT88102941T ATE72201T1 (de) 1988-02-26 1988-02-26 Vorrichtung zum laengsfalzen einer bahn.
EP88102941A EP0329814B1 (fr) 1988-02-26 1988-02-26 Dispositif de pliage longitudinal d'une bande
ES198888102941T ES2028149T3 (es) 1988-02-26 1988-02-26 Dispositivo para el plegado longitudinal de una banda.
DE8888102941T DE3868262D1 (de) 1988-02-26 1988-02-26 Vorrichtung zum laengsfalzen einer bahn.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP88102941A EP0329814B1 (fr) 1988-02-26 1988-02-26 Dispositif de pliage longitudinal d'une bande

Publications (2)

Publication Number Publication Date
EP0329814A1 true EP0329814A1 (fr) 1989-08-30
EP0329814B1 EP0329814B1 (fr) 1992-01-29

Family

ID=8198755

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88102941A Expired - Lifetime EP0329814B1 (fr) 1988-02-26 1988-02-26 Dispositif de pliage longitudinal d'une bande

Country Status (4)

Country Link
EP (1) EP0329814B1 (fr)
AT (1) ATE72201T1 (fr)
DE (1) DE3868262D1 (fr)
ES (1) ES2028149T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0464505A1 (fr) * 1990-06-30 1992-01-08 Albert-Frankenthal AG Dispositif pour plier longitudinalement
FR2709742A1 (fr) * 1993-09-09 1995-03-17 Web Printing Controls Procédé et dispositif pour pliage longitudinal d'une bande imprimée dans une presse d'impression.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014153014A1 (fr) 2013-03-15 2014-09-25 Davis-Standard, Llc Appareil de fabrication et de traitement de films comportant des bandes d'épaisseur accrue

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2707059B2 (de) * 1976-03-31 1980-11-27 Gregg Engineering Corp., Lyons, Ill. (V.St.A.) Führungsvorrichtung eines zu falzenden Stranges einer Bahn in einer Papierlängsfalzvorrichtung
WO1983002442A1 (fr) * 1982-01-18 1983-07-21 Bruce Allen Scheffer Appareil de pliage d'une bande continue
EP0244761A2 (fr) * 1986-05-03 1987-11-11 Adolf Weingartner Dispositif de pliage et de coupe de produits de petit format pliés en ligne

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2707059B2 (de) * 1976-03-31 1980-11-27 Gregg Engineering Corp., Lyons, Ill. (V.St.A.) Führungsvorrichtung eines zu falzenden Stranges einer Bahn in einer Papierlängsfalzvorrichtung
WO1983002442A1 (fr) * 1982-01-18 1983-07-21 Bruce Allen Scheffer Appareil de pliage d'une bande continue
EP0244761A2 (fr) * 1986-05-03 1987-11-11 Adolf Weingartner Dispositif de pliage et de coupe de produits de petit format pliés en ligne

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0464505A1 (fr) * 1990-06-30 1992-01-08 Albert-Frankenthal AG Dispositif pour plier longitudinalement
FR2709742A1 (fr) * 1993-09-09 1995-03-17 Web Printing Controls Procédé et dispositif pour pliage longitudinal d'une bande imprimée dans une presse d'impression.

Also Published As

Publication number Publication date
EP0329814B1 (fr) 1992-01-29
ATE72201T1 (de) 1992-02-15
DE3868262D1 (de) 1992-03-12
ES2028149T3 (es) 1992-07-01

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