EP0405107B1 - Vorrichtung zum Vereinzeln gestapelter Papierbogen - Google Patents

Vorrichtung zum Vereinzeln gestapelter Papierbogen Download PDF

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Publication number
EP0405107B1
EP0405107B1 EP90109082A EP90109082A EP0405107B1 EP 0405107 B1 EP0405107 B1 EP 0405107B1 EP 90109082 A EP90109082 A EP 90109082A EP 90109082 A EP90109082 A EP 90109082A EP 0405107 B1 EP0405107 B1 EP 0405107B1
Authority
EP
European Patent Office
Prior art keywords
delivery conveyor
conveyor
rotary
rotary feeder
sheet feeder
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.)
Expired - Lifetime
Application number
EP90109082A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0405107A1 (de
Inventor
Lüthi Ernst
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.)
Grapha Holding AG
Original Assignee
Grapha Holding 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 Grapha Holding AG filed Critical Grapha Holding AG
Priority to AT90109082T priority Critical patent/ATE102577T1/de
Publication of EP0405107A1 publication Critical patent/EP0405107A1/de
Application granted granted Critical
Publication of EP0405107B1 publication Critical patent/EP0405107B1/de
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
    • B65H3/00—Separating articles from piles
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/0808—Suction grippers
    • B65H3/085—Suction grippers separating from the bottom of pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/42—Separating articles from piles by two or more separators mounted for movement with, or relative to, rotary or oscillating bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/50—Driving mechanisms
    • B65H2403/54—Driving mechanisms other
    • B65H2403/543—Driving mechanisms other producing cycloids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/33—Rotary suction means, e.g. roller, cylinder or drum
    • B65H2406/331—Rotary suction means, e.g. roller, cylinder or drum arranged for rotating while moving along material to be handled, e.g. rolling on material
    • B65H2406/3312—Rotary suction means, e.g. roller, cylinder or drum arranged for rotating while moving along material to be handled, e.g. rolling on material arranged for planetary movement on rotary support means

Definitions

  • the present invention relates to a device according to the preamble of claim 1.
  • a separating device of the type mentioned in which an endless belt-like removal conveyor tangentially connects to the circular path of the rotary feeder in the delivery area and has an opposite direction of movement.
  • the satellites are provided with freely rotatable pressure rollers against which the removal conveyor is pressed, so that after their release by the suction cups, the printing sheets must be accelerated from the relative speed zero to the speed of the removal conveyor. This results in the disadvantage that stripes form on the preceding printing sheet ends.
  • the present invention sets itself the task of further separating a device of the type mentioned to develop that the sheets are conveyed lying on the removal conveyor with an even mutual distance.
  • the separating device has a rotary feeder 1 and a removal section 2, with the feeder magazine 3 being assigned a feeder magazine 3 for receiving a stack 4 of printed sheets to be separated.
  • a rotary bearing 6 is fixedly arranged in a bearing plate 5, in which a shaft 7 which can be driven by a motor is rotatably mounted.
  • a circular disk 8 is placed non-rotatably on the shaft 7 and is connected to a coaxial ring disk 9 by means of eight hollow shafts 10.
  • the hollow shafts 10 are mounted in corresponding bearings 11 and 12 in the disks 8 and 9 and are closed at their left end in FIG. 2, with which they protrude beyond the disk 8.
  • a planet pinion 13 is rotatably fitted, which mesh with an internal ring gear 14, which in turn is fixedly attached to the bearing plate 5. If the shaft 7 is driven, the disks 8 and 9 rotate with it so that the planet pinions 13 roll on the internal ring gear 14.
  • the hollow shafts 10 thus have a direction of rotation opposite to the direction of rotation of the disks 8 and 9.
  • Each hollow shaft 10 carries three non-rotatably mounted drum disks 15 with a segment-like recess 16.
  • suction cups 17 On both sides of the drum disks 15 there are suction cups 17 which project radially away on the hollow shaft 10, the suction cups 18 of which are aligned with the recesses of the drum disks 15.
  • a hollow shaft 10 forms, together with the drum disks 15 attached to it and the suction cups 17, a satellite 37.
  • guide elements for paper sheets interacting with the drum disks 15 are present. These consist of an endless guide belt 38, which for each satellite 37 wraps around the middle drum disc 15 over approximately half the circumference, and of deflection rollers 19 for the guide belt 38 and of guide rollers 20 and 21. The latter are of the same design and are driven identically.
  • the guide rollers 19 are freely rotatably supported at the free end of rods 22 parallel to the axis of rotation of the disk 8.
  • the rods 22 are firmly connected to the disc 8.
  • the guide rollers 20 (and in the same way the guide rollers 21) each sit on a shaft 23 which is freely rotatably supported in the disk 8 and the annular disk 9 at the ends.
  • a pinion 24 which meshes with the internal ring gear 14. If the rotary feeder 1 is rotated in the direction of arrow 25 (FIG. 1), the shafts 10 and 23 are driven in the opposite direction (arrow 26).
  • the satellites 37 move on a circular path. They pass through a takeover point 27 and a delivery point 28. At the takeover point 27, the suction cups 17 of the satellite vacuumed so that they grip the bottom sheet when folding. During the further rotary movement of the rotary feeder 1, the drum disks 15 roll on the gripped paper sheet. The suction device 17 holds the gripped fold until it is held in a frictional engagement between the drum disks 15 on the one hand and the guide band 38. If the preceding fold of the printed sheet lies between the drum disks 15 and the guide band 38, the vacuum in the suction cups 17 can be released. The paper sheet is now held in contact with the drum disks 15 by the guide belt 38 and is carried along by them. In addition, it is fed through the guide rollers 20 and 21 to the removal conveyor 2 as necessary.
  • the hollow shafts 10 on the side of the ring disk 9 are open and open into the outer surface 29. is closed at the end and provided against the surface 29 open groove.
  • This groove 31 is connected to a vacuum source 33 by means of a line 32. If there is a hollow shaft 10 in the area of the groove 31, its suction devices 17 are acted upon by vacuum. If it leaves the ring segment 30, it is vented against the outside atmosphere.
  • the removal path 2 adjoins the rotary feeder and takes over the paper sheets delivered by the rotary feeder.
  • It consists of an endless conveyor belt 39 which is guided around two deflection rollers 40, 41 and can consist of a single belt or a plurality of parallel endless belts. The runs closer to the rotary feeder have essentially the same direction of movement as this. Its peripheral speed is greater than that of the rotary feeder 1.
  • the conveyor belt 39 leads to a switch 42 from which a pair of conveyor belts 43, 44 and a pair of conveyor belts 45, 46 branch off. It is further provided with stop cams 47 which are distributed over the circumference at regular intervals and whose mutual distance is greater than the distance A corresponding to the largest sheet format.
  • the rotational position of the deflection roller 40 can be selected and ascertained with reference to its drive shaft 48 (driven synchronously with the rotary feeder 1). Furthermore, it can be expedient to drive the shaft 48 via a continuously variable transmission gear, so that the ratio of the peripheral speeds, if necessary, of the size and rigidity the paper sheet to be separated can be optimally adjusted.
  • the position of the deflection roller 49 of the endless conveyor belt 46 is adjustable in the direction of the double arrow 50 shown. Together with the conveyor belt 39, it forms an inlet gap into which the leading edges of the incoming printed sheets enter in order to be fed to the switch 42. For the largest sheet format A, it is in the position shown with solid lines and is brought into the dash-dot position for separating the smallest sheet format A '.
  • the described device works as follows.
  • the printed sheets in the stack 4 are peeled off one after the other on the underside of the stack by the satellites 15, which rotate at the same peripheral speed as the rotary layer 1 but in the opposite direction.
  • the printed sheets with the preceding edge are pushed outward tangentially to the circumferential circle of the satellite above the circumferential circle of the rotary feeder 1 until they strike the conveyor belt 39 rotating at a higher speed.
  • the speed at which they move away from the rotary feeder 1 is equal to its peripheral speed.
  • the conveyor belt 39 is timed to the rotary feeder 1 in such a way that the leading edges of the emerging printed sheets are always in the same places, and at The presence of stop cams 47 strike the conveyor belt 39 immediately behind a stop cam.
  • the size of the rotational speed of the conveyor belt 39 is selected such that it is equal to or somewhat less than the resulting speed at the preceding printing sheet edge, which is composed of the ejection speed on the one hand and the peripheral speed of the rotary feeder 1 on the other hand. 1, the printed sheet impinging on the conveyor belt 39 can bulge in the opposite direction to the direction of rotation of the rotary feeder 1 and form a compensation loop that flattens to the extent that the preceding sheet edge approaches the deflection roller 49.
  • the leading edge of the printing sheet enters the inlet gap between the conveyor belt 39 and the deflection roller 49.
  • the trailing end of the frictional engagement between the satellite 15 and the guide belt 38 spanning it halves, so that the sheet does not form any stripes or other damage can be deducted by the conveyor belts 39 and 46.
  • the trailing sheet end is released earlier by the satellites 15.
  • the printed sheet must be captured by the conveyor belts 39, 46 at the preceding end, so that its position, which is determined according to the clock, is retained.
  • the deflection roller 49 is adjusted to an appropriate degree against the dot-dash position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Discharge By Other Means (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
EP90109082A 1989-06-28 1990-05-15 Vorrichtung zum Vereinzeln gestapelter Papierbogen Expired - Lifetime EP0405107B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90109082T ATE102577T1 (de) 1989-06-28 1990-05-15 Vorrichtung zum vereinzeln gestapelter papierbogen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2404/89 1989-06-28
CH2404/89A CH679478A5 (enrdf_load_stackoverflow) 1989-06-28 1989-06-28

Publications (2)

Publication Number Publication Date
EP0405107A1 EP0405107A1 (de) 1991-01-02
EP0405107B1 true EP0405107B1 (de) 1994-03-09

Family

ID=4232999

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90109082A Expired - Lifetime EP0405107B1 (de) 1989-06-28 1990-05-15 Vorrichtung zum Vereinzeln gestapelter Papierbogen

Country Status (6)

Country Link
US (1) US5080341A (enrdf_load_stackoverflow)
EP (1) EP0405107B1 (enrdf_load_stackoverflow)
JP (1) JPH0331142A (enrdf_load_stackoverflow)
AT (1) ATE102577T1 (enrdf_load_stackoverflow)
CH (1) CH679478A5 (enrdf_load_stackoverflow)
DE (1) DE59004864D1 (enrdf_load_stackoverflow)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5265858A (en) * 1992-11-02 1993-11-30 Am International, Inc. Apparatus for converting a sheet material feeder from on edge to bottom feed
CH688141A5 (de) * 1994-05-20 1997-05-30 Ferag Ag Vorrichtung zum Verarbeiten von Druckereierzeugnissen.
US5511769A (en) * 1994-10-31 1996-04-30 Am International, Inc. Sheet material collating apparatus
US5730436A (en) * 1995-02-17 1998-03-24 R. R. Donnelley & Sons Company Signature conveyor system with automatic phase adjustment
IT1288191B1 (it) * 1995-07-11 1998-09-11 Windmoeller & Hoelscher Dispositivo per singolarizzare oggetti piatti impilati.
GB9706261D0 (en) * 1997-03-26 1997-05-14 Molins Plc Blank handling apparatus
EP1020385B1 (de) * 1998-12-28 2007-06-06 Grapha-Holding Ag Vorrichtung zum Beschicken einer Verarbeitungsstrecke mit Druckprodukten
IT1316287B1 (it) * 1999-01-29 2003-04-10 Windmoeller & Hoelscher Dispositivo per singolarizzare tratti di tubi flessibili accatastatipiatti, dotati di cosiddette pieghe laterali.
IT1321149B1 (it) * 2000-03-15 2003-12-30 Baumer Srl Metodo e sistema per trasferire fustellati in successione singola.
EP1197449B1 (de) * 2000-10-05 2004-08-04 Grapha-Holding AG Vorrichtung zur Beschickung einer Verarbeitungsstrecke mit gefalzten oder ungefalzten Druckbogen
US7306222B2 (en) 2003-05-14 2007-12-11 Goss International Americas, Inc. Sheet material feeder
DE10327647B4 (de) * 2003-06-20 2011-05-19 Windmöller & Hölscher Kg Bodenlegevorrichtung
ATE534599T1 (de) * 2004-10-14 2011-12-15 Muller Martini Mailroom Systems Inc Produktzufuhreinrichtung mit beschleunigungs- und bremseinrichtungen
CN110950121B (zh) 2018-09-26 2021-06-08 海德堡印刷机械股份公司 用于承印材料的输送设备和印刷机

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2903260A (en) * 1955-11-21 1959-09-08 Time Inc Planetary inserter mechanism
US3130966A (en) * 1958-08-29 1964-04-28 Hepp Rudolf Means for assembling books of variable compass
DE1761506B1 (de) * 1968-05-29 1974-01-10 Rudolf Hepp Vorrichtung zur abfuehrung der von einem walzenstuhl freigegebenen bogen, drucklagen od. dgl
GB1211129A (en) * 1968-09-20 1970-11-04 Rolls Royce Bearing assembly
US3552740A (en) * 1969-05-01 1971-01-05 Rudolf Hepp Apparatus for the destacking of sheets especially folded sheets adapted to receive an insert
CH641112A5 (de) * 1979-10-17 1984-02-15 Grapha Holding Ag Anleger fuer druckbogen.
CH641114A5 (de) * 1979-10-17 1984-02-15 Grapha Holding Ag Bogenanleger.
US4492311A (en) * 1981-08-17 1985-01-08 Fmc Corporation Coupling and latching mechanism for extensible boom
CH665411A5 (de) * 1985-02-07 1988-05-13 Grapha Holding Ag Zusammentragmaschine.
DE3637182A1 (de) * 1986-10-31 1988-05-05 Fischer Wilhelm Spezialmasch Rotierender anleger fuer zuschnitte

Also Published As

Publication number Publication date
DE59004864D1 (de) 1994-04-14
EP0405107A1 (de) 1991-01-02
JPH0331142A (ja) 1991-02-08
US5080341A (en) 1992-01-14
CH679478A5 (enrdf_load_stackoverflow) 1992-02-28
ATE102577T1 (de) 1994-03-15

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