EP0185395B1 - Vorrichtung zum Vereinzeln von Blattgut - Google Patents

Vorrichtung zum Vereinzeln von Blattgut Download PDF

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Publication number
EP0185395B1
EP0185395B1 EP85116405A EP85116405A EP0185395B1 EP 0185395 B1 EP0185395 B1 EP 0185395B1 EP 85116405 A EP85116405 A EP 85116405A EP 85116405 A EP85116405 A EP 85116405A EP 0185395 B1 EP0185395 B1 EP 0185395B1
Authority
EP
European Patent Office
Prior art keywords
stack
singling
retaining means
separating
sheets
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
Application number
EP85116405A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0185395A2 (de
EP0185395A3 (en
Inventor
Karl-Heinz Leuthold
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.)
GAO Gesellschaft fuer Automation und Organisation mbH
Original Assignee
GAO Gesellschaft fuer Automation und Organisation mbH
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 GAO Gesellschaft fuer Automation und Organisation mbH filed Critical GAO Gesellschaft fuer Automation und Organisation mbH
Priority to AT85116405T priority Critical patent/ATE43122T1/de
Publication of EP0185395A2 publication Critical patent/EP0185395A2/de
Publication of EP0185395A3 publication Critical patent/EP0185395A3/de
Application granted granted Critical
Publication of EP0185395B1 publication Critical patent/EP0185395B1/de
Expired legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00Separating articles from piles
    • B65H3/46Supplementary devices or measures to assist separation or prevent double feed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/10Handled articles or webs
    • B65H2701/19Specific article or web
    • B65H2701/1912Banknotes, bills and cheques or the like

Definitions

  • the invention relates to a device for separating flat sheet material, for example receipts, banknotes or the like, in which the sheet material is transported in the form of a stack via a stack transport system into a separating device consisting essentially of a take-off device, a stacking table and a retaining device this sheet by sheet passes through a separation gap formed between the withdrawal and retention device and set to a predetermined size, is detected by the withdrawal device arranged behind the separation gap and is fed to a further transport system.
  • a separating device consisting essentially of a take-off device, a stacking table and a retaining device
  • DE-PS 2 454 082 describes a separating device consisting of a separating roller, a retaining roller, a retaining device, a stacking table and a feed roller.
  • a feed roller By means of the feed roller, the sheets on the stacking table are conveyed to the separation roller through a separation gap formed between the separation roller and the retaining device.
  • the separating roller is designed as a suction roller and detects the leading edges of the sheets to be separated in order to transfer them one after the other to a further transport system.
  • a retaining roller is provided opposite the separating roller, which is also designed as a suction roller, rotates in the opposite direction as the separating roller and ensures that the sheets not in contact with the suction roller are pushed back into the stacking area.
  • the retaining device against which the sheet leading edges of the stack rest and which, together with the singling roll, forms the singling gap, ensures that only a limited number of sheets are fed to the singling roll.
  • the retention device thus causes a kind of pre-separation.
  • Separating devices have also become known in which the feed of the individual sheets is carried out through the separating gap to the separating roller with the aid of a so-called air guide plate (see DE-OS 2814306).
  • separating devices of the type described are used in high-speed sorting systems, it is of great importance for the economic efficiency of the system that the separating device achieves a high throughput with high separating reliability. This means that not only a rapid separation of the stack of sheets, but also a rapid replenishment of the stack of sheets must be ensured in the separation device. After the last sheet has been separated in the separating device, a new stack of sheets should be provided on the stacking table as quickly as possible. So that the actual separation can begin quickly after the transport of a new stack of sheets into the separation device, it is advantageous if some leaves have already passed the separation gap and are advanced to the separation roller.
  • the object of the invention is therefore to propose a method for separating flat sheet material, with which a substantially higher throughput of sheet material stacks can be achieved with the same separation security.
  • the object is achieved by the features specified in the characterizing part of the main claim.
  • An essential feature of the invention is to reduce the separating gap in each case before a stack is fed into the separating device and to reset it to the originally specified width immediately before starting the separation.
  • the retaining device Before a stack is fed in, for example, the retaining device itself is moved in the direction of the separating roller. Several sheets can still wedge in the separation gap that is reduced in this way. However, this is irrelevant since the separating gap is reset to the original width immediately before the beginning of separating, whereby any wedging that may have occurred is canceled out again.
  • An advantage of the solution according to the invention is that the throughput of stacks of sheet material in the separating device can be increased considerably with a constant separation security with a structurally simple measure. As soon as the last sheet material has been separated in the separating device, a new stack of sheets can be conveyed into the device at high speed without wedging of sheets in the separating gap would interfere with the separating process.
  • the surface of the retaining device that forms the front edge of the stack is temporarily changed each time a stack enters the separating device.
  • the restraint device has a movable part in addition to a stationary part. This can be controlled such that one, based on the stationary part of the restraint device tion, protruding run-up surface arises against which the front edge of the stack of sheet material being transported abuts. If this run-up surface is pulled back into the stationary part of the retaining device immediately before the beginning of the separation, a free gap remains between the front edge of the stack and the stationary part, which enables the stack to be fed during the separation without friction on the retaining device.
  • the movable part of the retaining device can also be toothed or roughened on the side that comes into contact with the front edge of the stack.
  • the advantage of temporarily introducing a separate, movable element with a suitably designed surface is that it is possible to influence the front edge of the stack that is being transported quickly, but that the separation itself is not disturbed by this measure.
  • a serrated surface prevents. Push individual sheets with their leading edges along the retaining device in front of the leading edges of other sheets and thus interfere with the separation process. Before the start of separation, the movable element is removed from the leading edge of the sheet, so that the stack feed required for separation can be carried out undisturbed.
  • a separating device 1 shows, in an exemplary embodiment, a separating device 1, as is used, for example, in high-speed sorting machines.
  • a stack transport system 2 With a stack transport system 2, a stack of sheets 3 is transported to the separating device in each case when the last sheet of the previous stack is separated.
  • the separating device essentially consists of a pressure plate 14, a feed device 16, a separating roller 5, a retaining roller 8 and a retaining device 10, hereinafter referred to as a retaining element.
  • the pressure plate 14 takes over the stack of sheets 3 transported by the stack transport system 2, consisting of the belts 19a, 19b and the transport rollers 18a, 18b, and conveys them to the feed device 16, which is designed, for example, as an air guide plate.
  • the feed device 16 which is designed, for example, as an air guide plate.
  • the air baffle plate 16 in which blown air bores that can be supplied with blown air are arranged in such a way that they give the top sheet material of the stack a movement component in the singling direction, the sheets are transported sequentially to the singling roll 5.
  • suction openings 7 in the separating roller 5 By means of suction openings 7 in the separating roller 5, the respective leading edges of the sheet are grasped and transferred by rotation in the direction of the arrow 6 into the subsequent transport system, consisting of the belts 20 and the transport roller 21.
  • the leading edges of the sheets lie on the retaining element 10, a gap 11 of a predetermined size being set between the retaining element and the singling roller 5 or air guide plate 16, so that only the upper sheets directly abutting the air guide plate 16 are conveyed to the singling roller 5 as far as possible.
  • the retaining roller 8 Opposite the separating roller 5, the retaining roller 8 is provided, which rotates in the direction of the arrow 9 against the separating direction and has suction openings distributed over its circumference.
  • the sheets which have already been transported through the separating gap 11 by means of the air guide plate 16 are retained by the retaining roller 8 rotating counter to the separating direction, so that the separating roller 5 only separates the uppermost sheet material of the stack.
  • the stack transport system 2 can be designed so that its lower belts 19b run somewhat slower than the upper belts 19a. As a result, the sheets lying at the bottom of the stack can be displaced relative to one another above, so that there is a wedge-shaped stack leading edge pointing in the transport direction 4. This measure serves to preposition the sheet leading edges to the shape required for the separation. If that brought in Parcel has left the stack transport system, its continuation up to the retaining element 10 on the pressure plate 14 is accomplished simply by the inertia of the stack 3.
  • FIG. 2 shows a control device 13 connected to the retaining element 10, with which the element can be moved according to the arrows 12a, 12b shown.
  • a motor which can be switched in the direction of rotation and which, equipped with a suitable gear, performs the desired translational movement can be used to move the retaining element, for example.
  • the transport system 2 is activated for feeding a further stack and on the other hand the retaining element 10 in the direction of arrow 12a is dashed into it represented working position.
  • the separation process is started.
  • the retaining element 10 is moved into the rest position in the direction of the arrow 12b, thereby ensuring that any wedging of sheets in the separating gap that may have occurred is eliminated.
  • the stacking table 14 is successively moved in the direction of the arrow 15 (see FIG. 1) by a drive, not shown in FIG. 1, so that the stack of sheet material is always in contact with the air guide plate 16. In this phase, wedging in the separating gap is unlikely for sheets of conventional quality, since the gap width is now set such that the sheets conveyed by the air guide plate can safely pass the separating gap 11 without clamping.
  • FIG. 3a and 3b show a further embodiment of the invention, a second, movably arranged element 23 being provided in addition to a stationary retaining element 22.
  • Fig. 3a shows this element in the rest and Fig. 3b in the working position.
  • the second movably arranged element 23 can by a suitable control unit 24, such as. B. an electromagnet can be moved via a pivot point 25 against the force of a spring 26 in the direction of arrow 28. The element 23 is then in the working position shown in FIG. 3b. If the excitation of the electromagnet is switched off, the element 23 moves due to the spring force into the rest position shown in FIG. 3a.
  • the actual, stationary retaining element 22 is preferably constructed in a rake-like manner, with a plurality of movable elements 23 which are coupled to one another and provided in a comb-like manner in several gaps in the rake.
  • the reduction in width of the separating gap can be set in many stages almost arbitrarily until the gap is completely closed.
  • the separating gap can thus be adapted to the respective requirements of the sheet material, such as sheet thickness, paper quality, etc.
  • the element 23 is designed such that it protrudes from the stationary retaining element 22 in the working position in the direction of the stacking edge to be expected.
  • the gap thus formed between the front edge of the stack and the retaining element 22 has the advantage that the leading edges of the individual sheets can be conveyed to the air guide plate 16 without friction on the contact surface of the retaining element 22 by gradually raising the pressure plate 14.
  • the generation of a gap is fundamentally also possible with the retaining element 10 described with reference to FIG. 2 if it is pivoted about a pivot point in the direction of the front edge of the stack in order to set the working position. In both embodiments it is avoided that, for example, heavily worn sheets get caught on the retaining element during the run-up to the air guide plate and slide against the feed direction. This would have the consequence that the air guide plate 16 could not convey this and the following sheets through the separating gap 11 to the separating roller 5.
  • This disturbance can occur with particularly lobed, heavily worn sheets even when the stack of sheets being transported at high speed has its front edge hits the retaining element.
  • the movable element 23 is provided with a special surface on the side interacting with the front edge of the stack.
  • the element 23 can be provided with a toothing 27 consisting of several steps, which is designed such that the step depths parallel and the step heights, which meet the leading edges of the blades, are perpendicular to the air guide plate 16 .
  • the toothing 27 can have a different height and a different number of steps depending on the sheet thickness and paper quality of the sheets to be separated. 4, the entire surface acting on the front edge of the stack is toothed.
  • the toothing can also be provided only in the area of the separating gap or only in the central area of the element 23.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Sewing Machines And Sewing (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
EP85116405A 1984-12-21 1985-12-20 Vorrichtung zum Vereinzeln von Blattgut Expired EP0185395B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85116405T ATE43122T1 (de) 1984-12-21 1985-12-20 Vorrichtung zum vereinzeln von blattgut.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843446862 DE3446862A1 (de) 1984-12-21 1984-12-21 Vorrichtung und verfahren zum vereinzeln von blattgut
DE3446862 1984-12-21

Publications (3)

Publication Number Publication Date
EP0185395A2 EP0185395A2 (de) 1986-06-25
EP0185395A3 EP0185395A3 (en) 1987-03-18
EP0185395B1 true EP0185395B1 (de) 1989-05-17

Family

ID=6253544

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85116405A Expired EP0185395B1 (de) 1984-12-21 1985-12-20 Vorrichtung zum Vereinzeln von Blattgut

Country Status (7)

Country Link
US (1) US4717137A (es)
EP (1) EP0185395B1 (es)
JP (1) JPH0611625B2 (es)
AT (1) ATE43122T1 (es)
DE (2) DE3446862A1 (es)
ES (1) ES8701117A1 (es)
IT (1) IT8554258V0 (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01118938U (es) * 1988-01-30 1989-08-11
EP0892542A3 (en) * 1992-03-19 1999-05-12 Pfu Limited Image reading apparatus
DE4314971A1 (de) * 1993-05-06 1994-11-10 Heidelberger Druckmasch Ag Bogenanleger einer Druckmaschine
US6318714B1 (en) * 1997-11-28 2001-11-20 Diebold, Incorporated Document unstack system for currency recycling automated banking machine
DE10342568A1 (de) * 2003-09-15 2005-04-14 Giesecke & Devrient Gmbh Vorrichtung und Verfahren zum Vereinzeln von Blattgut
DE102004002904A1 (de) * 2004-01-20 2005-08-18 Giesecke & Devrient Gmbh Verfahren und Vorrichtung zum Bearbeiten von Blattgut
JP5416628B2 (ja) * 2010-03-18 2014-02-12 株式会社沖データ 原稿搬送装置、並びに、画像読取装置、及び、画像形成装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3210073A (en) * 1962-12-03 1965-10-05 Edward S Godlewski Feeding mechanism
AT353221B (de) * 1973-11-21 1979-11-12 Gao Ges Automation Org Vorrichtung zum vereinzeln von papierboegen u. dgl.
US4148473A (en) * 1977-03-30 1979-04-10 Johnson Harold K Apparatus for handling stacks of flat articles such as bag-forming tubes and for separating and delivering the same individually
DE2729830A1 (de) * 1977-07-01 1979-01-11 Gao Ges Automation Org Verfahren zum automatischen sortieren von duennem blattgut
US4324394A (en) * 1977-07-01 1982-04-13 G A O Gesellschaft fur Automation and Organisation mbH Device for separating record carrying items
DE2814306A1 (de) * 1978-03-04 1979-10-11 Gao Ges Automation Org Vorrichtung zum vereinzeln von aufzeichnungstraegern
JPS5552835A (en) * 1978-10-11 1980-04-17 Ricoh Co Ltd Sheet feeder
JPS5552836A (en) * 1978-10-11 1980-04-17 Ricoh Co Ltd Sheet feeder
JPS55145946A (en) * 1979-04-27 1980-11-13 Matsushita Electric Ind Co Ltd Paper feeder
JPS5632454U (es) * 1979-08-18 1981-03-30
JPS6090232U (ja) * 1983-11-22 1985-06-20 ローレルバンクマシン株式会社 紙幣取込装置

Also Published As

Publication number Publication date
EP0185395A2 (de) 1986-06-25
IT8554258V0 (it) 1985-12-20
EP0185395A3 (en) 1987-03-18
DE3570227D1 (en) 1989-06-22
ATE43122T1 (de) 1989-06-15
JPH0611625B2 (ja) 1994-02-16
ES8701117A1 (es) 1986-12-01
DE3446862A1 (de) 1986-07-03
US4717137A (en) 1988-01-05
JPS61155141A (ja) 1986-07-14
ES550066A0 (es) 1986-12-01

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