EP1232977A1 - Procédé et dispositif pour séparer individuellement des objets plats d'une pile - Google Patents

Procédé et dispositif pour séparer individuellement des objets plats d'une pile Download PDF

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Publication number
EP1232977A1
EP1232977A1 EP02001290A EP02001290A EP1232977A1 EP 1232977 A1 EP1232977 A1 EP 1232977A1 EP 02001290 A EP02001290 A EP 02001290A EP 02001290 A EP02001290 A EP 02001290A EP 1232977 A1 EP1232977 A1 EP 1232977A1
Authority
EP
European Patent Office
Prior art keywords
stack
stop
separating element
axis
rotation
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
EP02001290A
Other languages
German (de)
English (en)
Other versions
EP1232977B1 (fr
Inventor
Willy Leu
Erwin Müller
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 EP1232977A1 publication Critical patent/EP1232977A1/fr
Application granted granted Critical
Publication of EP1232977B1 publication Critical patent/EP1232977B1/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
    • B65H3/02—Separating articles from piles using friction forces between articles and separator
    • 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
    • B65H3/36—Separating articles from piles by separators moved in special paths, e.g. enclosing an area
    • B65H3/38—Separating articles from piles by separators moved in special paths, e.g. enclosing an area the paths not enclosing an area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/423—Depiling; Separating articles from a pile
    • B65H2301/4232—Depiling; Separating articles from a pile of horizontal or inclined articles, i.e. wherein articles support fully or in part the mass of other articles in the piles
    • B65H2301/42324—Depiling; Separating articles from a pile of horizontal or inclined articles, i.e. wherein articles support fully or in part the mass of other articles in the piles from top of the pile
    • B65H2301/423245—Depiling; Separating articles from a pile of horizontal or inclined articles, i.e. wherein articles support fully or in part the mass of other articles in the piles from top of the pile the pile lying on a stationary support, i.e. the separator moving according to the decreasing height of the 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/423—Depiling; Separating articles from a pile
    • B65H2301/4234—Depiling; Separating articles from a pile assisting separation or preventing double feed

Definitions

  • the invention relates to a method and a device for piece-wise dismantling of a stack of flat objects according to the preambles of claims 1 and 9, respectively.
  • a method and a device of the aforementioned Kind are known from CH 436349.
  • At that one described method is a stack of two-dimensional Items dismantled piece by piece by the top one Object of the stack in its plane from the stack unscrewed, gripped at its free edge and is removed from the stack.
  • the top item comes with a drive element or separating element that moves on the top item can be switched on and off is.
  • For gripping and removing the screwed out Funds serve the purpose.
  • the well-known process has the advantage that the movement of the top one Realized object very simply in its level can be.
  • the problem here is the friction between two superimposed objects causes the second top item when moving the top item is taken. This will make it Grasp the unscrewed top object difficult and the alignment of the stack disturbed.
  • the height of the corner separators is to be chosen so that the three corners of the move the top arc over the corner separators can, but not the arches underneath be twisted.
  • the clamping finger must be in time with the Twist of the top arc can be controlled so that he always holds the second uppermost bow and for releases at the right time.
  • the clock rate of the device is limited, since the uppermost arch only largely from the Stack must be conveyed out before the turntable can access the second top sheet.
  • the invention is therefore based on the object Specify method and an apparatus in which the individual items in a simple manner with high Bar count can be removed from a stack without the Affect stack formation. Removing the top item should be independent of the stack height expire.
  • the invention is particularly for separating very flat, flexible objects such as sheets of paper or plastic suitable.
  • a movable separating element in its plane at least in the area of one of its corners moved against a stop.
  • the attack bumps and is moved further it is bent so that he preferably sidesteps the stop and is moved out of the stack.
  • All under the top one Object lying objects are by the stop stopped and stay aligned provided they are in Friction with the top object were moved.
  • the top item is preferably a Movement component perpendicular to the stop and one Movement component moves transversely to it, so that it against the Attack hits, turns up against it and finally jumps off to the side and preferably in its plane can be moved on, e.g. also by suitable Removal means.
  • the stop preferably only acts on a corner of the item. Such an attack can be easily overcome by the top object, while he reliably in all other items in the stack Holds position.
  • the stop preferably extends from the support surface of the stack to a height that is slightly larger than the typical stack height. The The height of the stop does not have to be adapted to the stack height especially if the top item like already described pushed past the stop becomes.
  • the top arc can be moved linearly, in the case a rectangular object preferably obliquely its edges and to align the stop. Especially however, a rotary movement can be easily realized of the topmost object by one perpendicular to the plane of the Object rotating axis.
  • the top item is set in motion by a separating element, the preferably in frictional or frictional engagement with the uppermost Object acts.
  • a separating element can also be used Suction are used.
  • the Trailing edge of the item raised with a sucker and can be gripped by a slider, the object from the stack.
  • the separating element Increase in the number of cycles.
  • the top bow is through the Movement of the separating element in force or friction until it jumps off the stop and is offset from the stacking surface.
  • the separating element is then moved back to its starting position where it is directly on a now exposed area of the accesses the second uppermost arch and this when Can move forward.
  • the top sheet by suitable means of transport from the Stack drawn.
  • "Grab” is any kind of Transfer to the means of transport understood, e.g. also Storage on a conveyor belt.
  • the invention allows particularly simple a scale formation of the separated Create arcs.
  • the separating element preferably describes part of a circular path.
  • the stroke or the distance traveled The route only needs to be as long until the against the Edge of the uppermost sheet from the stop jump off. Depending on the design of the stop, it is therefore sufficient a trajectory of fractions of the arc length.
  • the Clock frequency of the device can be increased accordingly become.
  • 1A-C shows the implementation of the inventive Separierbacters.
  • a stack of 1 rectangular, flat Objects 2, 3 are located on a support surface 4, which is laterally limited by a stop 5.
  • the Stop 5 is a flat, vertically aligned web educated.
  • the front edge 2a, 3a of the objects touches the front face 5a of the stack 1 Stop 5.
  • the stop 5 only extends laterally over a fraction of the front edge 2a, 3a of the flat Items.
  • a pressure element 7 At the diagonally opposite corner 5 of the Contact surface 4 is a pressure element 7. With this is exerted pressure on the stack 1 from above, whereby the objects 2, 3 in a perpendicular to their Level direction fixed and held together become.
  • the pressure element 7 becomes floating Way with a holding device 13 on the stack 1 placed what is shown in Figures 2-4.
  • a lever 9 about a lever 9 is a separating element 6 with the Pressure element 7 pivotally connected, so that The height of the separating element 6 is automatically adjusted in this way is that it is always the top item 2 of the stack 1 is able to move.
  • the separating element 6 is around one perpendicular to the plane of the flat objects 2, 3 axis of rotation 10 extending through the pressure element 7 pivoted.
  • the separating element 6 takes the top one Item 2 when moving towards the stop 5 in frictional or frictional engagement with.
  • the situation with this Forward movement is shown in Fig. 1A.
  • the top one Object 2 thereby moved against the stop 5 and there surfaced. As it moves forward, it glides the front corner 2b of the top object on the Side edge 5b of the stop over. This situation is shown in Fig. 1B.
  • the separating element 6 is then through Swing back about the axis 10 in its starting position moved back.
  • the top one pushed out of the stack Item 2 can now e.g. in the Area of the leading edge 2a, e.g. to a Conveyor belt are put down, and transported away.
  • the separating element 6 When the separating element 6 is pulled back into its The starting position is the adhesion with the top one Item 2 or the one below it is now released Item 3 solved.
  • the separating element 6 comprises present example a role 11 with a strong grippy surface that changes when moving forward does not turn towards the stop and during the backward movement from the stop to the one on top Objects unrolls.
  • Alternative separation elements are in 6A-6C and 7A-7C.
  • the distance of the Separating element 6 from the axis of rotation 10 or Pressure element 7 is variable via a slide 12.
  • the Carriage 12 can be moved on the lever 9.
  • a stack 1 flat objects 2, 3 is on a level Contact surface 4.
  • the stack 1 is in the area of its Front edge 1A of a vertically aligned flat Stop 5 limited.
  • At its 5 stop at an angle opposite corner 1b is the stack 1 of one Pressure element 7 weighed down.
  • the pressure element 7, here in Shape of a pressure ball is on a holding device 13 held floating.
  • the holding device 13 comprises two Columns 13a, 13b arranged laterally from the stack 1 which a web 13c is resiliently suspended.
  • the web 13c is movable in the vertical direction.
  • the pressure element 7 is connected to the web 13c via a holding element 16 and can be used to adapt the device to different Dimensions of the stack 1 shifted along the web 13c become.
  • the pressure element is also over an axis 17 running parallel to the columns 13a, 13b pivotable.
  • the pressure element 7 is rigid connected to the web 13c. About the height of the web 13c the height of the stack 1 can therefore be determined.
  • On Separating element 6 is via a lever 9 with the pressure element 7 connected. It is a perpendicular to the contact surface 4 axis of rotation extending through the pressure element 7 10 swiveling. Due to the construction shown ensures that the pressure element is always on the Stack 1 rests. Using a suitable drive the separating element 6 in the direction of the axis of rotation 10 the stop 5 rotated around the uppermost object 2 first with its front edge 2a against the stop 5 and finally push past it sideways.
  • the separated products are aligned at an angle to stack 1 and are in a scale formation 8 of one Conveyor 18 transported away.
  • the conveyor 18 can be a belt conveyor or a gripper conveyor his.
  • objects can 2 also individually removed from the stack and processed become.
  • Diagonal scale formation 8 ' are generated in the individual objects facing each other in two directions overlap offset from each other. The generation of a such a diagonal scale formation is shown in FIG. 8 shown.
  • FIG. 5 schematically shows a snapshot of the stack 1, the uppermost object 2 of the separating element 6 is moved against the stop 5.
  • the front edge 2a of the uppermost object 2 hits the stop 5, so that the top object 2 in the area of the Bulge facing corner 2b.
  • the top object 2 When moving on of the top object 2 with a movement component transverse to the orientation of the stop 5 is the top one Finally bent the object so far that it is sideways glides past the stop 5, see also FIG. 1b.
  • the separating element can then be returned to the starting position, which is shown in Fig. 4 can be moved back.
  • FIG. 6A 6C shows two different ones Separating elements in two side views or in the top view.
  • the separating element 6 according to FIG. 6A 6C includes a roller 11 which is attached to a holding element 19 about a swivel axis running parallel to the roller axis 14 is pivotally mounted.
  • the roller 11 has one sticking coating.
  • the separating element 6 has one Backstop, so that the roller 11 when moving out of the Starting position blocked in the direction of the stop 5 and so the top item is the frictional or frictional connection pushes against the stop. When moving back to the Starting position rolls the roll on the top one Object with low friction.
  • the separating element 6 ' accordinging to 7A-7C includes a thumb clamp 15 which is on a holding element 19 'pivotable about an axis 16 is arranged.
  • the thumb clamp 15 has one sticking coating, which when moving the Separating element 6 'the top object 2 in Friction also moves.
  • the thumb clamp lock 15 is pivoted so that that a non-stick area or a built-in role as little friction as possible over the top item slides or rolls.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Stacking Of Articles And Auxiliary Devices (AREA)
  • Forming Counted Batches (AREA)
EP02001290A 2001-02-15 2002-01-18 Procédé et dispositif pour séparer individuellement des objets plats d'une pile Expired - Lifetime EP1232977B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2662001 2001-02-15
CH2662001 2001-02-15

Publications (2)

Publication Number Publication Date
EP1232977A1 true EP1232977A1 (fr) 2002-08-21
EP1232977B1 EP1232977B1 (fr) 2004-07-07

Family

ID=4475995

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02001290A Expired - Lifetime EP1232977B1 (fr) 2001-02-15 2002-01-18 Procédé et dispositif pour séparer individuellement des objets plats d'une pile

Country Status (6)

Country Link
US (1) US6682064B2 (fr)
EP (1) EP1232977B1 (fr)
AT (1) ATE270646T1 (fr)
AU (1) AU1552702A (fr)
CA (1) CA2370933A1 (fr)
DE (1) DE50200583D1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1360131B1 (fr) * 2001-02-15 2005-05-11 Ferag AG Dispositif et procede pour desassembler une pile d'objets plats
EP1321402B1 (fr) * 2001-12-20 2009-05-13 MEI, Inc. Appareil de maniement de documents de valeur
US8734440B2 (en) * 2007-07-03 2014-05-27 St. Jude Medical, Atrial Fibrillation Division, Inc. Magnetically guided catheter
DE212009000230U1 (de) * 2009-08-26 2012-04-11 Pavel Vladimirovich Ermakov System in einem Verkaufsautomaten zur Ausgabe von Waren oder Zugaben zu Waren von beliebiger Form

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1237587B (de) * 1964-09-08 1967-03-30 Rank Xerox Ltd Vorrichtung zum Abnehmen eines viereckigen Blattes von einem viereckigen Stapel vonBlaettern
CH436349A (de) * 1966-04-07 1967-05-31 Ferag Ag Verfahren und Vorrichtung zum stückweisen Abbau eines Stapels flächenhafter Gegenstände
US3583697A (en) * 1969-05-19 1971-06-08 Addressograph Multigraph Sheet feeding device
DE19642485A1 (de) * 1996-10-15 1998-04-16 Heidelberger Druckmasch Ag Druckmaschine mit im Bogenanlager angebrachter Bogenausrichtung
US6068157A (en) * 1997-03-25 2000-05-30 Super Planning Co., Ltd. Stacked-paper dispenser

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1016779A (en) * 1910-09-29 1912-02-06 Friedrich Ruppel Apparatus for distributing flat bodies.
US2795419A (en) * 1953-09-25 1957-06-11 Ritzerfeld Wilhelm Sheet feeding device
US3008709A (en) * 1958-10-06 1961-11-14 Ibm Sheet separating and feeding apparatus
US3090505A (en) * 1961-08-07 1963-05-21 Lamb Grays Harbor Co Inc Unstacker
DK114351B (da) * 1964-09-19 1969-06-23 Zeuthen & Aagaard As Arkseparatormekanisme navnlig til trykkemaskiner og duplikatorer.
GB1271526A (en) * 1969-06-12 1972-04-19 Gestetner Ltd Improvements in or relating to sheet feeding devices
US3713645A (en) * 1971-04-26 1973-01-30 Xerox Corp Sheet separating apparatus
JPS5231464A (en) * 1975-09-03 1977-03-09 Nippon Telegr & Teleph Corp <Ntt> Mechanism for feeding sheet of paper utilizing slipping rotary body
US4136861A (en) * 1977-09-30 1979-01-30 International Business Machines Corporation Paper guide means for reverse feed sheet paper separation device
US4444385A (en) * 1982-01-18 1984-04-24 Qume Corporation Sheet feeder
CH682020A5 (en) * 1990-12-17 1993-06-30 Journomat Ag Sales dispensing machine for newspapers - has gripper displaced by linkage with motor input to deliver top newspaper through delivery opening
DE4136194A1 (de) 1991-11-02 1993-05-06 Kba-Planeta Ag, O-8122 Radebeul, De Verfahren und vorrichtung zum vereinzeln und foerdern von bogen
JPH06135576A (ja) * 1992-10-22 1994-05-17 Fuji Xerox Co Ltd 画像形成装置の給紙装置
US5984295A (en) * 1997-09-05 1999-11-16 Primera Technology, Inc. Paper tray with single sheet feeder

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1237587B (de) * 1964-09-08 1967-03-30 Rank Xerox Ltd Vorrichtung zum Abnehmen eines viereckigen Blattes von einem viereckigen Stapel vonBlaettern
CH436349A (de) * 1966-04-07 1967-05-31 Ferag Ag Verfahren und Vorrichtung zum stückweisen Abbau eines Stapels flächenhafter Gegenstände
US3583697A (en) * 1969-05-19 1971-06-08 Addressograph Multigraph Sheet feeding device
DE19642485A1 (de) * 1996-10-15 1998-04-16 Heidelberger Druckmasch Ag Druckmaschine mit im Bogenanlager angebrachter Bogenausrichtung
US6068157A (en) * 1997-03-25 2000-05-30 Super Planning Co., Ltd. Stacked-paper dispenser

Also Published As

Publication number Publication date
EP1232977B1 (fr) 2004-07-07
AU1552702A (en) 2002-08-22
DE50200583D1 (de) 2004-08-12
CA2370933A1 (fr) 2002-08-15
US6682064B2 (en) 2004-01-27
US20020109284A1 (en) 2002-08-15
ATE270646T1 (de) 2004-07-15

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