EP0343324A2 - Dispositif de pliage pour une machine à impression de formulaires - Google Patents

Dispositif de pliage pour une machine à impression de formulaires Download PDF

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Publication number
EP0343324A2
EP0343324A2 EP89103840A EP89103840A EP0343324A2 EP 0343324 A2 EP0343324 A2 EP 0343324A2 EP 89103840 A EP89103840 A EP 89103840A EP 89103840 A EP89103840 A EP 89103840A EP 0343324 A2 EP0343324 A2 EP 0343324A2
Authority
EP
European Patent Office
Prior art keywords
disc
slideway
recess
drive wheel
holes
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
EP89103840A
Other languages
German (de)
English (en)
Other versions
EP0343324A3 (en
EP0343324B1 (fr
Inventor
Ross A. Hoge
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.)
Manroland AG
Original Assignee
MAN Ashton Inc
MAN Roland Druckmaschinen AG
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 MAN Ashton Inc, MAN Roland Druckmaschinen AG filed Critical MAN Ashton Inc
Priority to AT89103840T priority Critical patent/ATE85301T1/de
Publication of EP0343324A2 publication Critical patent/EP0343324A2/fr
Publication of EP0343324A3 publication Critical patent/EP0343324A3/de
Application granted granted Critical
Publication of EP0343324B1 publication Critical patent/EP0343324B1/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
    • B65H45/02—Folding limp material without application of pressure to define or form crease lines
    • B65H45/06—Folding webs
    • B65H45/10—Folding webs transversely
    • B65H45/101—Folding webs transversely in combination with laying, i.e. forming a zig-zag pile
    • B65H45/107—Folding webs transversely in combination with laying, i.e. forming a zig-zag pile by means of swinging or reciprocating guide bars

Definitions

  • the present invention relates to form printing machines, in particular to a device for folding a continuous paper web into stacks after the operations in the printing machine have been carried out.
  • folders with stacker devices are usually provided at the end of the form printing machine.
  • Such printing machines are characterized in that they have a large number of mechanical devices which carry out various processes on a continuous paper web.
  • Such devices usually include printing units, a perforating device, a numbering device, a side slitter and a folder with stacker. These processes take place at very high speeds and must be perfectly synchronized.
  • the construction of the folder is extremely critical in terms of speed, since one of the typical designs uses a so-called pendulum-lever construction.
  • the folder is the weakest link in the machine in terms of speed.
  • a folder for a form printing machine typically has a pendulum slide ("slide") which extends across the paper path and is driven by a crank arm which is connected to an articulated arm which in turn has a drive wheel for actuating the reciprocating Pendulum movement of the slideway is connected.
  • pendulum slide which extends across the paper path and is driven by a crank arm which is connected to an articulated arm which in turn has a drive wheel for actuating the reciprocating Pendulum movement of the slideway is connected.
  • the higher the speed of the machine the more difficult it is to select materials and designs for the cantilever path of the folder.
  • a carbon fiber composite is currently used in the construction of the slideway. With the current folder designs, however, progress of these machines towards higher speeds is more difficult.
  • the purpose of the present invention is to provide an improved folder mechanism for a form printing machine, in which the slope (stroke) of the slideway of the folder can be infinitely adjusted and inevitably locked.
  • a construction in accordance with the present invention comprises a paper web fold assembly including a frame, the frame has a pair of side frames arranged in parallel, one on each side of the paper web to be folded.
  • a slideway extends across the Paper path between the sides, the slideway has a spindle device at both ends, which is mounted in the corresponding side walls, so that the slideway can pivot about a pivot axis that runs through the spindle, and the slideway has a few closely spaced wall surfaces , which describe a longitudinal slot through which the paper web can run, this slot formed by the wall surfaces has a plane which runs through the pivot axes.
  • the slideway extends to below the swivel axis so that a pendulum movement can result.
  • At least one crank arm is connected to one of the spindles and an articulated arm is connected at one end to the crank arm at a location that is at a distance from the pivot axis.
  • the other end of the articulated arm is eccentrically connected to a drive wheel, which results in a pendulum movement for the crank arm and thus for the slideway.
  • the invention is characterized in that the drive wheel has a first disk fastened to the shaft, and a drive device for rotating the first disk about an axis which runs through the geometric center of the first disk.
  • the first disc forms a circular recess on the outer surface where the geometric center of the circular recess is offset from the center of the first disc, but the circular recess contains the geometric center of the first disc.
  • a second disc is rotatably mounted in the circular recess. The geometric center of the second disc coincides with the geometric center of the circular recess.
  • the articulated arm is eccentric with the second Disc connected so that the axis of the articulated arm connection to the second disc runs parallel to the axis of rotation of the first disc.
  • a device for detachably mounting the second disc within the circular recess with respect to the first disc so that the degree of eccentricity of the articulated arm connection to the second disc can be adjusted with respect to the axis of rotation of the first disc so as to adjust the stroke of the pendulum movement of the slideway.
  • a double support structure is attached outside of the two side walls, including a drive wheel with a first and a second disc, the first disc being attached to the other side wall on the same shaft as the first disc on the one side wall of the frame; a second crank arm is attached to the other spindle of the slideway, with a same articulated arm which is connected to the crank arm and the second disc on the other side wall so that the mass and the driving force of the moving parts carrying the pendulum slideway on both sides of the Frame is the same, whereby connections in the slideway are reduced when the slideway makes a reciprocating movement at high speeds.
  • each spindle is independently suspended in bearings in the corresponding side walls of the frame, each spindle having a slot for receiving a rib provided at each end of the slideway, and fastening devices are provided so that the ribs can be fitted into a corresponding slot to remove them can be attached.
  • a folder 10 is generally shown, which is attached between the side frame parts 14 and 16 of a form printing machine.
  • the paper web W runs over a drawing roller 18, which is driven, and then runs into the slideway 12 to be converted into a stack in a known manner.
  • the folder 10 has a crank arm 20 and an articulated arm 22 which is attached to the drive wheel 24.
  • an auxiliary wall 26 is shown, which is attached at a distance from the side frame 16, the drive wheels are attached to the wall 26.
  • the crank mechanism for the oscillation or for the reciprocation of the slide 12 is balanced in the sense that the same mass is present on both sides of the frame, which is formed by the frame walls 14 and 16.
  • the gear drive is attached to the auxiliary wall 26, the teeth 50 of the drive wheel 24b are in engagement with "not shown" drive wheels.
  • the drive wheel 24a is free and fixed to the shaft 28 which, as described below, is rotated by the drive wheel 24b.
  • the pull roller 18 is mounted in the side frames 14 and 16 with the bearings 19.
  • a gear 21 is keyed onto the end of the shaft which drives the roller 18 to drive the roller in synchronism with the other parts of the form printing machine.
  • the drive wheel 24a is shown mounted on the end of the shaft 28 and the geometric center C of the wheel 24a coincides with the axis of rotation of the shaft 28.
  • the drive wheel 24a has a circular recess 34 which is machined into the wheel 24a.
  • the center of the circular recess 34 is offset from the center C and therefore the circular recess 34 is arranged eccentrically with respect to the wheel 24a, which also has a circular shape.
  • FIG. 4. shows the identical drive wheel 24b, shown in cross section, the recess 34 with a disc 36 mounted therein.
  • the disc 36 is circular and has the same diameter as the circular recess 34 and is arranged so that it rotates therein.
  • the geometric center of the disk 36 coincides with the geometric center of the recess 34.
  • the lower wall of the recess 34 has a series of threaded holes 38 in a circular arrangement. In one example of the invention, 32 holes are equally spaced in a circular arrangement near the periphery of the recess.
  • the disk 36 has a series of 34 holes 40 in the same arrangement as the arrangement of the threaded holes 38. As a result, only two diametrically opposite holes 40 of the disk 36 are aligned with holes 38 in the recess 34.
  • Fasteners such as. B. bolts 42, go through the openings 40 into the threaded openings 38 in the first wheel 24.
  • a spindle 44 is attached eccentrically, i.e. offset to the geometric center of the disk 36.
  • the spindle 44b in FIG. 4 is connected directly to the articulated arm 22b by means of the bearings 46.
  • a bearing cover 48 covers the end of the spindle 44b.
  • the articulated arm 22b is connected to the spindle 44b by means of the bearing 46.
  • the other end of the articulated arm 22b is connected via a bearing to the spindle 56b at the end of the crank arm 20b, which is firmly connected to the protruding end of the spindle 58b.
  • the spindle 58b is mounted in a bearing in the side frame 16 and 26. Therefore, if it is necessary to change the stroke of the slideway, the off-center position of the spindle 44b with respect to the axis c of the wheel 24 is changed by adjusting the disc 36 with respect to the recess 34 and thus on the wheel 24b.
  • the stroke becomes larger or smaller by moving the disk 36 with respect to the wheel 24. Theoretically, the stroke could go back to zero if the disk 36 is adjusted so that the axis of the spindle 44a and 44b is aligned with the axis C. the drive wheels 24a and 24b coincide.
  • the slideway can be easily removed from the spindles 58a and 58b. 3 and 4, the slideway with panels or fields 68 and 70 is shown so that they form a longitudinal slot 72 through which the paper web W runs. At each end of the slideway between ribs 68 and 70 there is a rib 66a and 66b which protrudes in the longitudinal direction and which is designed to be received within slots 62a and 62b in spindles 58a and 58b. The ribs 66 are held in the slots 62 by the bolts 64.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Making Paper Articles (AREA)
  • Transmission Devices (AREA)
  • Rotary Presses (AREA)
EP89103840A 1988-05-23 1989-03-04 Dispositif de pliage pour une machine à impression de formulaires Expired - Lifetime EP0343324B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89103840T ATE85301T1 (de) 1988-05-23 1989-03-04 Falzapparat fuer formulardruckmaschinen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/197,203 US4872658A (en) 1988-05-23 1988-05-23 Folder for business forms press
US197203 1998-11-20

Publications (3)

Publication Number Publication Date
EP0343324A2 true EP0343324A2 (fr) 1989-11-29
EP0343324A3 EP0343324A3 (en) 1990-02-28
EP0343324B1 EP0343324B1 (fr) 1993-02-03

Family

ID=22728450

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89103840A Expired - Lifetime EP0343324B1 (fr) 1988-05-23 1989-03-04 Dispositif de pliage pour une machine à impression de formulaires

Country Status (5)

Country Link
US (1) US4872658A (fr)
EP (1) EP0343324B1 (fr)
AT (1) ATE85301T1 (fr)
CA (1) CA1321220C (fr)
DE (1) DE58903429D1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1321551A (fr) * 1962-02-08 1963-03-22 Steinheil Dieterlen G Marchal Perfectionnements aux machines plieuses de tissu
DE1170362B (de) * 1962-10-17 1964-05-21 Wilhelm Wulff Vorrichtung zum Querfalten und Stapeln von textilen Flaechengebilden, wie Waesche od. dgl.
JPS46872Y1 (fr) * 1969-11-27 1971-01-13
US3717335A (en) * 1970-12-23 1973-02-20 Advance Enterprises Inc Cross-web folder for sheet material
CH599026A5 (fr) * 1975-05-27 1978-05-12 Goebel Gmbh Maschf
CH614902A5 (fr) * 1977-03-11 1979-12-28 Sig Schweiz Industrieges
DE2923791A1 (de) * 1979-06-12 1980-12-18 Bosch & Co Papier Und Folienwe Vorrichtung zum zickzackfoermigen einbringen eines streifens aus verpackungsmaterial in eine schachtel oder kassette
JPS6030625B2 (ja) * 1980-12-25 1985-07-17 ワイケイケイ株式会社 長尺帯状物の振落折畳装置
JPS5953200A (ja) * 1982-09-20 1984-03-27 宇野　忠男 ジグザグ折重紙の定量仕分法
FI76597C (sv) * 1986-11-12 1988-11-10 Partek Ab Förfarande vid utläggning av mineralullbanas primärbana med hjälp av p endeltransportör på en mottagartransportör och arrangemang vid sådan p endeltransportör

Also Published As

Publication number Publication date
EP0343324A3 (en) 1990-02-28
US4872658A (en) 1989-10-10
ATE85301T1 (de) 1993-02-15
DE58903429D1 (de) 1993-03-18
CA1321220C (fr) 1993-08-10
EP0343324B1 (fr) 1993-02-03

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