EP0553455A1 - Procédé et dispositif pour enlever des produits imprimer d'une pile - Google Patents

Procédé et dispositif pour enlever des produits imprimer d'une pile Download PDF

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Publication number
EP0553455A1
EP0553455A1 EP92121139A EP92121139A EP0553455A1 EP 0553455 A1 EP0553455 A1 EP 0553455A1 EP 92121139 A EP92121139 A EP 92121139A EP 92121139 A EP92121139 A EP 92121139A EP 0553455 A1 EP0553455 A1 EP 0553455A1
Authority
EP
European Patent Office
Prior art keywords
drive
suction head
drive mechanism
speed
along
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
EP92121139A
Other languages
German (de)
English (en)
Other versions
EP0553455B1 (fr
Inventor
Jürg Eberle
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.)
Ferag AG
Original Assignee
Ferag 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 Ferag AG filed Critical Ferag AG
Publication of EP0553455A1 publication Critical patent/EP0553455A1/fr
Application granted granted Critical
Publication of EP0553455B1 publication Critical patent/EP0553455B1/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
    • B65H3/00—Separating articles from piles
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/0808—Suction grippers
    • B65H3/0816—Suction grippers separating from the top of pile

Definitions

  • the present invention relates to a method and a device for lifting printed products from a stack according to the preamble of claims 1 and 4, respectively.
  • DE-C-27 32 591 discloses a device for dismantling a stack of printed products of this type, in which the suction head is moved by means of a drive mechanism along a closed orbit, the shape of which is a hypocycloid is similar.
  • the suction head detects a corner of the bottom printed product in the stack and takes this corner with it to the next lower reversal point.
  • the drive mechanism which has a planetary gear connected to a constant-speed drive motor, is now primarily there to move the suction head along the aforementioned path of movement having a specific shape.
  • the present invention is based on the object of providing a method and a device of the type mentioned at the outset which make it possible to vary the speed of the suction head during its movement along its path within wide limits and regardless of the shape of the movement path .
  • the solution according to the invention is based on the knowledge that the speed of movement of the suction head, as given by the drive mechanism, is superimposed on a speed which is generated by means which are separate from the drive mechanism. It is thus possible to vary the speed of movement of the suction head for a given form of the movement path, which is determined by the drive mechanism, without influencing this movement path, in particular in such a way that the speed of the suction head after the detection of a printed product when it is immediately taken along is minimal. This can prevent the subsequent product from being entrained by suction when the printed product is lifted off the stack.
  • FIGS. 1 and 2 denotes a stack which is formed by folded printed products 2.
  • the latter are fed by a feed conveyor 3 in a scale formation S, in which each printed product 2 rests on the trailing printed product.
  • the trailing edge 2a which is the fold edge in the present embodiment, lies in the scale formation S at the top.
  • the printed products 2 are pushed into the stack from below, as is explained in more detail in the Swiss patent application 46 / 92-1.
  • a suction head 4 which is only shown schematically and which can be periodically connected in a manner known per se to a vacuum source (not shown).
  • the suction head 4 is moved along a closed, pear-shaped orbit 6 by means of a drive mechanism 5.
  • the suction head 4 detects the uppermost printed product 2 in the area of its folded edge 2a and lifts the detected printed product from the stack 1 during the movement along the section 6a of the orbit 6.
  • the printed product 2 taken away is delivered by switching off the negative pressure.
  • the suction head 4 then continues to run in the direction of rotation U.
  • the respectively delivered printed product 2 is taken over by a conveyor, as is described in more detail in the already mentioned Swiss patent application 46 / 92-1.
  • the suction head 4 is fastened to a support tube 9 which is connected via a hose line, not shown, to the vacuum source which can be switched on and off, as already mentioned.
  • This support tube 9 is attached to one arm 10a of a two-armed lever 10, the other arm 10b of which is angled relative to the arm 10a.
  • the arm 10b forms the coupling of a crank rocker 11 and is connected to a crank 13 via a joint 12, the joint pin of which is designated 12a.
  • the latter is seated on a shaft 14 which is driven in the direction of arrow A and which is rotatably mounted in a bearing 15.
  • the shaft 14, the longitudinal axis of which is designated 14 ', is driven by a drive device to be described with reference to FIGS.
  • the arm 10b of the lever 10 is connected to a rocker arm 17 via a joint 16, the joint pin of which is designated 16a.
  • the latter is attached to a shaft 18 which is freely rotatably mounted in a bearing 19.
  • the longitudinal axis of this shaft 18 is designated 18 '.
  • the rocker 17 When the crank 13 is rotating, the rocker 17 is pivoted back and forth between two end positions, which are shown in broken lines in FIG. 1 and form an angle ⁇ .
  • the two end positions of the rocker arm 17 are designated by the positions of the pivot pin 16a designated 16a 'and 16a' '.
  • the suction head 4 is, as already mentioned, moved upward from the takeover point 7 along the section 6a of the orbit 6 to the delivery point 8. Between the takeover point 7 and the delivery point 8, the suction head 4 is, as already mentioned, connected to the vacuum source and takes the uppermost printed product 2 of the stack 1 with it. After the vacuum source has been switched off and the printed product 2 carried along has been released, the suction head 4 is moved further in the direction of the arrow U along the orbit 6 until it arrives again at the takeover point 7, where the next printed product 2 is detected.
  • the drive mechanism 5 In order for the suction head 4 to be moved along the desired path 6, the drive mechanism 5 must be designed accordingly. This special design of the drive mechanism 5 also defines the course of the speed at which the suction head 4 moves along the movement path 6. In order to be able to influence this speed curve determined by the construction of the drive mechanism 5, an intermediate or superposition gear 20 is connected upstream of the drive mechanism 5, which will now be explained in more detail with reference to FIGS. 3 and 4.
  • This intermediate gear 20 which in the present case is designed as a crank gear and in particular as a rotating crank loop, has a drive member 21 which is driven by a drive motor 22, shown only schematically, at constant speed, i.e. is driven at a constant angular velocity ⁇ 1.
  • the drive member 21 is rotatably supported about its axis 21 'in a housing 24 via bearings 23.
  • the longitudinal axis 25 'of the driving element 25 runs parallel to the axis of rotation 21' of the drive member 21 and is offset by the distance r from the latter. In other words, the driving element 25 is arranged eccentrically.
  • the driving element 25 is guided in a transverse groove 26 which is formed in an output member 27.
  • This output member 27 sits with a connecting part 27a on the shaft 14 of the drive mechanism 5.
  • the axis of rotation 27 'of the output member 27 is thus aligned with the axis of rotation 14' of the shaft 14, but is offset from the axis of rotation 21 'of the drive member 21 by the amount e.
  • the intermediate gear 20 designed as a rotating crank loop now converts the constant drive speed of the motor 22 into a periodically changing drive speed for the drive mechanism 5.
  • 5 shows the course of the angular velocity ⁇ as a function of the time t by the curve 28. While the angular velocity ⁇ 1 at the input of the intermediate gear 20 is constant, the angular velocity ⁇ 2 with which the shaft 14 of the drive mechanism 5 is driven changes between a minimum value 28a and one Maximum value 28b.
  • the positions of the intermediate gear 20 are indicated, in which the minimum (position 29a) and the maximum (position 29b) of the angular velocity ⁇ 2 occurs. It goes without saying that the position of the positions 29a, 29b can be chosen as desired.
  • the minimum angular velocity ⁇ 2 results from the formula while the maximum angular velocity ⁇ 2 from the formula results.
  • the speed curve generated by the intermediate gear 20 as described is thus superimposed on the speed curve which is determined by the construction of the drive mechanism 5.
  • This speed superposition now takes place such that the speed of movement of the suction head 4 in the area of the takeover point 7, i.e. when a printed product 2 is lifted immediately after the detection, is minimal and then increases. This ensures, on the one hand, that the uppermost printed product 2 of the stack 1 is detected correctly and, on the other hand, prevents the subsequent printed product 2 from being entrained as a result of the suction effect when the recorded printed product 2 is lifted off.
  • FIG. 6 differs from the embodiment according to FIGS. 1 and 2 by a different design of the drive mechanism for the suction head 4.
  • the suction head 4 is also attached to a support tube 30, which is only indicated schematically and which, as described with reference to FIGS. 1 and 2, is connected to a vacuum source via a hose line (not shown).
  • This support arm 30 is connected to a drive mechanism 31 which has a lever 32 with which the support tube 30 is fixedly connected.
  • This lever 32 is connected at both ends via joints 33 and 34 to other levers.
  • the joint 33 the lever 32 is connected to a lever 35 which is pivotally mounted in a bearing 36.
  • the lever 32 is connected to a two-armed lever 37, which is pivotably mounted in a bearing 38.
  • the two-armed lever 37 is connected at the other end via a further joint 39 to the coupling 40 of a crank drive, which is connected to a crank 42 via a joint 41.
  • the latter is seated on a shaft 43, only indicated schematically, which is connected to the output member 27 of the intermediate gear 20.
  • the crank 42 thus runs at the angular velocity ⁇ 2, the course of which is shown in Figure 5, in the direction of arrow B.
  • the connecting joint 41 between the crank 42 and the dome 40 accordingly runs along a circular path 44.
  • the lever 37 performs a pivoting movement about the axis of its bearing 38.
  • the two end positions of the lever 37 are shown on the one hand with a solid line and on the other hand with a dash-dotted line.
  • the two joints 34 and 39 of the lever 37 move back and forth along the tracks 45 and 46 between points I and II.
  • the lever 35 swings from the position shown with a solid line to the position shown in broken lines and back again, the joint 33 moving back and forth along the path 47 between points I 'and II'. Through this Swinging movement of the levers 37 and 35 also results in the movement of the lever 32, to which, as mentioned, the support tube 30 of the suction head 2 is fixed.
  • the suction head 2 is thereby moved from a takeover point 48 along the slightly curved movement path 49 to a delivery point 50 and on the same path 49 back to the takeover point 48.
  • the suction head 4 which is now connected to the vacuum source, detects the uppermost printed product 2 in the stack 1 and takes it to the delivery point 50, at which the taken-away printed product 2 is released by switching off the vacuum source.
  • the printed product 2 released by the suction head 4 is taken over by a conveyor, as is described in more detail in the previously mentioned Swiss patent application 46 / 92-1.
  • the moving speed of the suction head 4 which is given by the drive mechanism 31, is superimposed on the changing driving speed of the intermediate gear 20, so that the moving speed of the suction head 4 is in the range of Take-over point 48 is minimal when lifting off a printed product 2 immediately following the detection and then increases.
  • the desired speed profile for the suction head 4 can thus be achieved with differently designed drive mechanisms 5, 31.
  • a drive motor 22 with constant speed with an intermediate or superposition gear 20 can also be used, which can then be coupled directly to the shaft 14 or 43 of the drive mechanism 5 or 31.
  • the solution according to the invention can also be used in embodiments in which the printed products are not lifted off the stack from above as described above, but are instead pulled off the stack from below, such as e.g. in DE-C-27 32 591 and the corresponding US-A-4,127,262.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
EP92121139A 1992-01-30 1992-12-11 Procédé et dispositif pour enlever des produits imprimés d'une pile Expired - Lifetime EP0553455B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH27492 1992-01-30
CH274/92 1992-01-30

Publications (2)

Publication Number Publication Date
EP0553455A1 true EP0553455A1 (fr) 1993-08-04
EP0553455B1 EP0553455B1 (fr) 1998-03-25

Family

ID=4183272

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92121139A Expired - Lifetime EP0553455B1 (fr) 1992-01-30 1992-12-11 Procédé et dispositif pour enlever des produits imprimés d'une pile

Country Status (5)

Country Link
US (1) US5377967A (fr)
EP (1) EP0553455B1 (fr)
JP (1) JP2703474B2 (fr)
CA (1) CA2088462A1 (fr)
DE (1) DE59209254D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19515506B4 (de) * 1994-05-31 2004-11-18 Ferag Ag Einrichtung zum Verarbeiten von Druckereiprodukten
DE19603040B4 (de) * 1995-03-31 2006-05-24 Ferag Ag Saugorgan

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0675061B1 (fr) * 1994-03-24 1997-12-10 Ferag AG Dispositif d'alimentation de produits plats en continu à un poste de délivrance
DE59501115D1 (de) * 1994-03-24 1998-01-29 Ferag Ag Vorrichtung zum Zubringen von flächigen Erzeugnissen zu einer Verarbeitungseinrichtung für Druckereiprodukte
EP0721903B1 (fr) * 1995-01-13 1998-08-12 Ferag AG Dispositif pour ouvrir des produits imprimés et appareil pour traiter des produits imprimés
DE59605979D1 (de) * 1995-07-25 2000-11-16 Ferag Ag Vorrichtung zum Zubringen von Druckereiprodukten zu einer Weiterverarbeitungsstelle
CH690715A5 (de) * 1995-07-27 2000-12-29 Ferag Ag Fördereinrichtung für Druckereierzeugnisse.
DE19627830B4 (de) * 1995-07-31 2005-07-28 Ferag Ag Vorrichtung zum Zubringen von Druckereiprodukten zu einem Wegförderer
AU711307B2 (en) * 1996-05-06 1999-10-07 Ferag Ag Device for feeding printed products to a further processing point
US6299155B1 (en) * 1998-03-23 2001-10-09 Fuji Photo Film Co., Ltd. Method of and apparatus for feeding sheets
AUPR292501A0 (en) * 2001-02-07 2001-03-01 Silverbrook Research Pty. Ltd. A method and apparatus (ART100)
AUPR315301A0 (en) * 2001-02-19 2001-03-15 Silverbrook Research Pty. Ltd. An Apparatus (ART102)
DE102004053735A1 (de) 2004-11-06 2006-05-11 Saurer Gmbh & Co. Kg Garnsensor
US7161511B2 (en) * 2005-06-03 2007-01-09 General Electric Company Linearization system and method
CN103350565B (zh) * 2013-07-10 2015-07-01 上海大学 齿轮-曲柄摇杆下摆式递纸机构
JP6982075B2 (ja) 2016-12-27 2021-12-17 エフ.ホフマン−ラ ロシュ アーゲーF. Hoffmann−La Roche Aktiengesellschaft 新規のビオチン特異的モノクローナル抗体およびその使用

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2233262A1 (en) * 1973-06-15 1975-01-10 Philips Nv Transferring paper etc. sheets to moving element - sheet held adjacent front edge, is moved towards moving holding element
DE2732591A1 (de) * 1976-07-29 1978-02-02 Ferag Ag Einrichtung zum abbauen eines stapels von biegsamen flaechengebilden
GB2060579A (en) * 1979-10-17 1981-05-07 Grapha Holding Ag Feed mechanism for printed sheets
EP0168784A2 (fr) * 1984-07-20 1986-01-22 Mitsubishi Jukogyo Kabushiki Kaisha Distributeur de feuilles
DE4012779C1 (fr) * 1990-04-21 1991-05-02 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
GB271509A (en) * 1926-05-22 1927-09-29 Heinrich Rohrbacher Device for actuating the sheet lifter of sheet feeders
DE2539339A1 (de) * 1975-09-04 1977-03-17 Bosch Gmbh Robert Vorrichtung zur steuerung der vakuumbeaufschlagung bzw. belueftung von saugorganen in zuschnitte verarbeitenden maschinen
JPS57195139U (fr) * 1981-06-05 1982-12-10
JPS59133131A (ja) * 1982-10-01 1984-07-31 コサン・クリスプラント・アクチ−セルスカブ 物体移送装置
DD230501A3 (de) * 1983-09-16 1985-12-04 Polygraph Leipzig Bogenvereinzelungsvorrichtung
JPS614731A (ja) * 1984-06-16 1986-01-10 Toyota Central Res & Dev Lab Inc 高分子材料の曲折方法
DD273823A1 (de) * 1988-07-06 1989-11-29 Polygraph Leipzig Saugermechanismus fuer bogenvereinzeler
DD282891A5 (de) * 1989-05-03 1990-09-26 Polygraph Leipzig Antrieb fuer bogenvereinzelungseinrichtung
DE4029551A1 (de) * 1989-09-18 1991-03-28 Yoshio Tanaka Chlorella-algen und pilze enthaltende fettoel-nahrungsmittel und verfahren zur herstellung derselben
JP2520312B2 (ja) * 1989-10-12 1996-07-31 富士写真フイルム株式会社 枚葉動作制御装置
DE4033870A1 (de) * 1990-10-22 1992-04-23 Aristo Graphic Systeme Einrichtung zum vereinzeln von blaettern eines blattstapels
DE69124776T2 (de) * 1990-11-29 1997-06-12 Fuji Photo Film Co Ltd Verfahren und Vorrichtung zur Regelung der Zufuhr von Bogen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2233262A1 (en) * 1973-06-15 1975-01-10 Philips Nv Transferring paper etc. sheets to moving element - sheet held adjacent front edge, is moved towards moving holding element
DE2732591A1 (de) * 1976-07-29 1978-02-02 Ferag Ag Einrichtung zum abbauen eines stapels von biegsamen flaechengebilden
GB2060579A (en) * 1979-10-17 1981-05-07 Grapha Holding Ag Feed mechanism for printed sheets
EP0168784A2 (fr) * 1984-07-20 1986-01-22 Mitsubishi Jukogyo Kabushiki Kaisha Distributeur de feuilles
DE4012779C1 (fr) * 1990-04-21 1991-05-02 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19515506B4 (de) * 1994-05-31 2004-11-18 Ferag Ag Einrichtung zum Verarbeiten von Druckereiprodukten
DE19603040B4 (de) * 1995-03-31 2006-05-24 Ferag Ag Saugorgan
DE19603040C5 (de) * 1995-03-31 2012-09-13 Ferag Ag Saugorgan

Also Published As

Publication number Publication date
JPH0624590A (ja) 1994-02-01
EP0553455B1 (fr) 1998-03-25
JP2703474B2 (ja) 1998-01-26
US5377967A (en) 1995-01-03
DE59209254D1 (de) 1998-04-30
CA2088462A1 (fr) 1993-07-31

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