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WO2004113207A1 - Dispositif permettant de separer des objets plats - Google Patents

Dispositif permettant de separer des objets plats Download PDF

Info

Publication number
WO2004113207A1
WO2004113207A1 PCT/EP2004/006772 EP2004006772W WO2004113207A1 WO 2004113207 A1 WO2004113207 A1 WO 2004113207A1 EP 2004006772 W EP2004006772 W EP 2004006772W WO 2004113207 A1 WO2004113207 A1 WO 2004113207A1
Authority
WO
WIPO (PCT)
Prior art keywords
detectors
stack
actuators
objects
support
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.)
Ceased
Application number
PCT/EP2004/006772
Other languages
German (de)
English (en)
Inventor
Hans Steinhuebel
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to EP04740195A priority Critical patent/EP1636122A1/fr
Priority to US10/562,141 priority patent/US20070176353A1/en
Publication of WO2004113207A1 publication Critical patent/WO2004113207A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • B65H1/00—Supports or magazines for piles from which articles are to be separated
    • B65H1/02—Supports or magazines for piles from which articles are to be separated adapted to support articles on edge
    • B65H1/025—Supports or magazines for piles from which articles are to be separated adapted to support articles on edge with controlled positively-acting mechanical devices for advancing the pile to present the articles to the separating device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00—Supports or magazines for piles from which articles are to be separated
    • B65H1/08—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device
    • B65H1/24—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device with means for relieving or controlling pressure 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
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/30—Forces; Stresses
    • B65H2515/34—Pressure, e.g. fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/20—Sensing or detecting means using electric elements
    • B65H2553/22—Magnetic detectors, e.g. Hall detectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2555/00—Actuating means
    • B65H2555/10—Actuating means linear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1916—Envelopes and articles of mail

Definitions

  • the invention relates to a device for separating flat objects according to the preamble of claim 1.
  • Flat objects e.g. Postal items must be processed, e.g. be sorted from a stack in sorting systems. So that only one object is removed from the stack at the separation or withdrawal point, only small frictional forces may act between the objects during separation. For this reason, the objects must stand vertically on their narrow sides when they are separated, which means that they are in an unstable balance.
  • the horizontal feed plane shortly before the singling / extraction point has a somewhat lower part on which the flat objects in front fall down in portions. In this way, interlocks between the objects are loosened in part, but they are slightly inclined, which means that the friction between the objects cannot be minimized.
  • the invention has for its object to provide a device for separating flat objects standing on their narrow sides, with which even larger flexible and therefore unstable or inhomogeneous objects standing upright on a narrow side can be separated at a low stack pressure without them tilt or deform.
  • the detectors can be moved individually horizontally, controlled perpendicularly to the take-off reference plane.
  • the drives of the detectors, the conveying means and the stack support can be controlled in such a way that when the stack is transported to the removal point, the foremost object, supported by the detectors, upright and approximately parallel to the deduction reference level, also supported by the detectors at a low stack pressure measured by the detectors is fed to the trigger point.
  • the detectors with the actuators prevent the objects from being deformed and / or tilted.
  • the conveyor and the stack support ensures the following sequence: after the removal of an object, the detectors move by means of the actuators out of the deduction reference level in the direction of the stack that is being transported, until at least two detectors detect what is now the foremost object of the stack,
  • the drive control can generate vibrations of the detectors with variable amplitude, frequency and force.
  • the swivel axis is oriented horizontally perpendicular to the pull-off direction and the swivel device can be controlled in such a way that the front objects of the stack seen from the pull-off point are fed in the desired vertical orientation. This enables better alignment of the objects. So that the following objects of the stack are supported even when the foremost object is pulled off, it is advantageous to provide several detectors with their actuators, which are arranged one above the other over the length of the objects of the stack and which act immediately after the trailing edge of the object, which is being pulled off, moved towards the stack.
  • friction-reducing elements at the tip of the detectors, e.g. one or more feeler rollers rotatable in the pull-off direction.
  • the detectors with the actuators each consist of linear motors with an integrated path measuring system, the motor current being used for force measurement. This gives you a simple and inexpensive design.
  • FIG. 1 shows a perspective, schematic representation of a device for separating flat objects in the non-aligned condition. stand of the stack,
  • FIG. 2 shows a perspective, schematic representation of the device for separating flat objects after the alignment of the stack
  • FIG. 3 shows a perspective, schematic illustration of the separating device with detectors with actuators arranged one behind the other in the withdrawal direction
  • FIG. 4 shows a side view of a linear motor as an actuator for the detector
  • FIG. 5 shows a sectional illustration of the end of the linear motor rotor with a force measuring device
  • FIG. 6 shows a side view of a separating device with a tiltable stack support and detectors with actuators in three different heights
  • FIG. 7 shows a top view of a separating device with a tiltable stack support
  • FIG. 8 shows a plan view of a separating device in which a detector has two sensing rollers.
  • the objects 12 to be separated are aligned on a side guide 26 on a horizontal loading level 2 by synchronously running transport belts 3, supported by a stack support 4 moved by means of a linear guide 5 and separate drive 6, and fed to an underfloor withdrawal belt 13 of the withdrawal device in front of the withdrawal reference level 10.
  • At least two detectors with actuators 7, 8 with a detector function for determining the position of the foremost mail item 1 and the stack pressure are located behind the take-off reference level 10, in which still vertically aligned driven conveyor belts are arranged as part of the take-off device, but which are not shown for the sake of clarity attached to a receptacle 11.
  • These contain a linear actuator, a position measuring device and a force measuring device.
  • the detectors with the actuators 7, 8 measure the distance of the foremost object 1 to the trigger reference plane 10, the deviation of the foremost object 1 to the optimal vertical position and the force with which the object 1 presses against the detectors.
  • each detector is equipped with several scanning rollers 9.
  • FIG. 4 shows the implementation of a detector with its actuator as a linear motor 15.
  • This consists of a stator 16 and a linear rotor 17.
  • the position of the rotor head is determined by means of an integrated travel system 18 detected using Hall sensors.
  • the forces emerging from the stack 12 and acting on the rotor 17 transversely to the rotor axis are absorbed by guide elements arranged parallel to the motor axis.
  • the forces in the rotor axis can be determined using the motor current.
  • the head of the rotor 17 is equipped with a special force measuring device. In most cases it is sufficient if a switching signal is triggered at a defined small force. This can be achieved by means of a displaceable ball 23 preloaded by spring 24, which triggers the switching signal in a sensor 20 at the specific force, and thus a specific distance traveled.
  • the switching signal can be generated electrically, magnetically, optically or pneumatically.
  • the rotor 17 of the linear motor 15 has at its free end a bore 19 for receiving the sensor 20 and an external thread 21 for the adjustable attachment of the probe head 22 with the measuring ball 23 and the spring 24 for pretensioning.
  • FIG. 6 shows a stack 12 of the flat objects which has been transported to the take-off point with the transport belt 3 and the stack support 4.
  • the stack support 4 In addition to the two transport axes 3 and linear guide 5 with linear drive 6 for the stack support 4, which are already shown in FIG. There is thus the possibility, if the stack 12 is inclined backwards as shown and the foremost object 1 has reached the end of the transport belt 3, when the transport belt 3 is at a standstill by moving the stack support 4 in the direction of the deduction reference plane 10 while simultaneously pivoting the Pile support 4 to raise the stack 12 forward.
  • a third actuator 14 is arranged here between the upper and the lower actuator 7, 8, with which it is possible is to counteract this curvature with flexible, bulging objects.
  • the top view (FIG. 7) shows the stack 12 in the erected state.
  • the stack support 4 was pivoted into the vertical position.
  • the objects aligned on the side guide 26 arrive at the take-off point on the underfloor take-off belt 13 and are pushed as far as the take-off reference level 10, in which plane there are vertically aligned, driven conveyor belts 27 which synchronize the objects with the under-floor take-off belt 13 in the separating direction ( Pull off).
  • the rotary or swivel drive 25 of the stack support 4 is also clearly visible.
  • FIG. 8 shows an actuator / linear motor with two sensing rollers 9 and two linear guides 28 for the sensing rollers 9, the force measurement being integrated in the roller bar 29.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Attitude Control For Articles On Conveyors (AREA)

Abstract

L'invention concerne un dispositif permettant de séparer des objets plats qui sont transportés sous la forme d'une pile (12), en position verticale sur leur face étroite, sur un moyen de transport entraîné de manière commandable (3) qui comporte un support de pile (4), vers le point de retrait où l'objet situé respectivement le plus à l'avant (1) est retiré horizontalement, dans une direction perpendiculaire à la direction d'amenée. Le moyen de transport (3) et le support de pile (4) sont entraînés de manière à être commandés séparément. Des détecteurs disposés à des hauteurs différentes pour déterminer la position de l'objet situé le plus à l'avant (1), à l'aide de pressions d'appui déterminées, peuvent être déplacés individuellement, de manière commandée, dans une direction horizontale, perpendiculairement au plan de retrait de référence. Les entraînements des détecteurs, du moyen de transport (3) et du support d'appui (4) peuvent être commandés en fonction de la position déterminée de l'objet situé le plus en avant (1), de façon que, lors du transport de la pile (12) vers le point de retrait, l'objet situé le plus à l'avant (1) soit amené, avec l'aide des détecteurs, vers le point de retrait, de manière quasi-parallèle par rapport au niveau de retrait de référence (10), avec une faible pression qui est mesurée par les détecteurs.
PCT/EP2004/006772 2003-06-25 2004-06-23 Dispositif permettant de separer des objets plats Ceased WO2004113207A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP04740195A EP1636122A1 (fr) 2003-06-25 2004-06-23 Dispositif permettant de separer des objets plats
US10/562,141 US20070176353A1 (en) 2003-06-25 2004-06-23 Apparatus for singulating flat articles

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10328619A DE10328619A1 (de) 2003-06-25 2003-06-25 Vorrichtung zum Vereinzeln flacher Gegenstände
DE10328619.5 2003-06-25

Publications (1)

Publication Number Publication Date
WO2004113207A1 true WO2004113207A1 (fr) 2004-12-29

Family

ID=33520973

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/006772 Ceased WO2004113207A1 (fr) 2003-06-25 2004-06-23 Dispositif permettant de separer des objets plats

Country Status (5)

Country Link
US (1) US20070176353A1 (fr)
EP (1) EP1636122A1 (fr)
CN (1) CN1812920A (fr)
DE (1) DE10328619A1 (fr)
WO (1) WO2004113207A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2925474A1 (fr) * 2007-12-20 2009-06-26 Solystic Sas Dispositif de depilage d'envois postaux multi-modes

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008273666A (ja) * 2007-04-26 2008-11-13 Toshiba Corp 紙葉類取り出し装置
CA2719509A1 (fr) * 2009-11-03 2011-05-03 Siemens Aktiengesellschaft Installation et methode de traitement d'articles de dimensions differentes
JP2012188274A (ja) * 2011-03-11 2012-10-04 Toshiba Corp 紙葉類取出装置
US10988327B1 (en) 2018-07-06 2021-04-27 Span Tech Llc Sortation system and related methods

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5934666A (en) * 1996-02-21 1999-08-10 Bell & Howell Postal Systems Inc. In-feed magazine apparatus and method for loading documents
EP1065160A1 (fr) * 1999-06-28 2001-01-03 Grapha Holding AG Dispositif pour séparer des objects plats
US20020153654A1 (en) * 2000-02-07 2002-10-24 Lockheed Martin Corporation Presentation control for flat article singulation mechanism and sensors suitable for use therewith
EP1367015A2 (fr) * 2002-05-28 2003-12-03 Kabushiki Kaisha Toshiba Dispositif d'alimentation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3598400A (en) * 1969-06-16 1971-08-10 Ncr Co Document input mechanism
DE2851545C2 (de) * 1978-11-29 1986-03-20 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Vorrichtung zur vereinzelten Abgabe von Briefen u.ä. flachen Sendungen aus einem Stapel
JPH0295627A (ja) * 1988-09-30 1990-04-06 Omron Tateisi Electron Co 紙葉類の繰出・集積装置
US5292114A (en) * 1991-09-27 1994-03-08 Westinghouse Electric Corp. Automatic feeder module for a mail sorting system
FR2689038A1 (fr) * 1992-03-27 1993-10-01 Cga Hbs Dispositif d'aménage d'une pile d'objets plats sur chant vers une tête de dépilage de système de tri automatique et procédé de mise en Óoeuvre de ce dispositif.
US5244199A (en) * 1992-07-24 1993-09-14 St. Denis Manufacturing Co. Stream feeding machine for holding and delivering signatures
US6270070B1 (en) * 1999-12-21 2001-08-07 Pitney Bowes Inc. Apparatus and method for detecting and correcting high stack forces

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5934666A (en) * 1996-02-21 1999-08-10 Bell & Howell Postal Systems Inc. In-feed magazine apparatus and method for loading documents
EP1065160A1 (fr) * 1999-06-28 2001-01-03 Grapha Holding AG Dispositif pour séparer des objects plats
US20020153654A1 (en) * 2000-02-07 2002-10-24 Lockheed Martin Corporation Presentation control for flat article singulation mechanism and sensors suitable for use therewith
EP1367015A2 (fr) * 2002-05-28 2003-12-03 Kabushiki Kaisha Toshiba Dispositif d'alimentation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2925474A1 (fr) * 2007-12-20 2009-06-26 Solystic Sas Dispositif de depilage d'envois postaux multi-modes
WO2009080929A3 (fr) * 2007-12-20 2009-08-20 Solystic Dispositif de dépilage d'envois postaux multi-modes
US8235377B2 (en) 2007-12-20 2012-08-07 Solystic Multi-mode unstacker device for unstacking mailpieces

Also Published As

Publication number Publication date
US20070176353A1 (en) 2007-08-02
EP1636122A1 (fr) 2006-03-22
DE10328619A1 (de) 2005-01-27
CN1812920A (zh) 2006-08-02

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