EP1868743A1 - Procede pour commander le mecanisme d'ouverture de sachets comprenant des articles plats - Google Patents

Procede pour commander le mecanisme d'ouverture de sachets comprenant des articles plats

Info

Publication number
EP1868743A1
EP1868743A1 EP06706986A EP06706986A EP1868743A1 EP 1868743 A1 EP1868743 A1 EP 1868743A1 EP 06706986 A EP06706986 A EP 06706986A EP 06706986 A EP06706986 A EP 06706986A EP 1868743 A1 EP1868743 A1 EP 1868743A1
Authority
EP
European Patent Office
Prior art keywords
container
containers
determined
pocket
objects
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
EP06706986A
Other languages
German (de)
English (en)
Other versions
EP1868743B1 (fr
Inventor
Armin Zimmermann
Peter Enenkel
Beat Fritsche
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
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Publication of EP1868743A1 publication Critical patent/EP1868743A1/fr
Application granted granted Critical
Publication of EP1868743B1 publication Critical patent/EP1868743B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C3/00—Sorting according to destination
    • B07C3/02—Apparatus characterised by the means used for distribution
    • B07C3/08—Apparatus characterised by the means used for distribution using arrangements of conveyors
    • B07C3/082—In which the objects are carried by transport holders and the transport holders form part of the conveyor belts

Definitions

  • the invention relates to a method for controlling the opening mechanism of bags with flat objects.
  • Flat objects in particular items of different mass and surface, are to be deposited individually from pockets in containers located below them, with pockets and containers moving at a differential speed relative to each other. In this case, a speed can also be zero.
  • the objects are placed on two edges aligned. This alignment is a prerequisite for machine further processing, eg. As for a sequence sorting and the associated, subsequent manual handling by the postman.
  • the document DE 103 05 847 B3 describes a device with an opening mechanism of pockets with flat objects, which are transferred by gravity into underlying containers in a lying position, wherein pockets and containers are in relative movement to each other.
  • the transmission characteristics are determined and the time at which the opening mechanism of a bag is actuated varies with regard to an optimum stack quality as a function of the determined transmission characteristics.
  • DE 103 05 847 B3 cites, by way of example, the thickness of the transmissions as a broadcasting characteristic.
  • the document EP 0 708 693 B1 describes a sorting device for consignments in which bags with consignments circulate via destination-assigned, locally fixed containers. According to the read destination addresses of the items they are stored in the associated container.
  • the Bags always open at a certain fixed position above the respective container.
  • the optimum opening position in which items are stored in the container aligned with the front wall of the container in the direction of movement, varies depending on transmission characteristics, such as different coefficients of friction between the items and the bags and masses of the items, and a variable discharge height Tank levels, which is a compromise at a fixed transfer position, with the result of poor alignment of the broadcasts in the direction of movement.
  • the object of the invention is a method for controlling the opening mechanism of pockets with flat objects for transferring the flat objects by means of
  • the period of time after passing through a reference point fixed to a pocket position is determined experimentally by a reference edge of the container, wherein the opening mechanism depends on the mass of the objects and / or on the previously determined friction coefficient between the bottom pocket wall and the bearing surface of predetermined categories of objects and / or the stack height in the container and the shape according to the type of container used in the relative direction of transport of the container front container wall is opened so that each shipment is stored aligned with this container wall.
  • For each item its mass and / or category and / or the current stack height in the containers are determined.
  • the stored time is determined for transferring a certain object from the corresponding pocket in a particular container of a known Behalterart based on the respective mass and / or the coefficient of friction and / or the current stack height of the respective container. After the time of passing the reference point through the reference edge of the respective container and the time period determined, the opening mechanism of the bag is then opened.
  • the measured thicknesses of the items previously passed into this container are summed.
  • the articles can also be compressible and measurement errors can add up, it is advantageous, in the case of moving containers, to guide them past at least one measuring station for determining the stack height and the stack height obtained by summation of the measured thicknesses of the articles by the measured value deviating therefrom To correct the measuring station. Subsequently, the invention will be explained in an embodiment with reference to the drawings.
  • Figure 3 is a schematic representation of the memory structure for opening times of the pockets.
  • containers 5, 9 having straight and differently shaped walls are mounted in succession on container receptacles 6, which are transported in a transport device, not shown, in the direction of the arrow at a defined speed.
  • container receptacles 6 On top of them and the transport path several pockets 1 are arranged one behind the other, which are filled from above with flat objects 3.
  • Both the pockets 1 and the containers 5 are inclined in the transport direction of the container 5.9.
  • the objects 3 in the pocket 1 are oriented downwards and rest on the lower pocket wall 2.
  • At the lower end of each pocket there is an opening mechanism 4, which holds the articles 3 in the closed state and which is opened when the respective article 3 is to enter a certain container 5 by means of gravity.
  • the drives of the opening mechanisms 4 are not shown, their realization and control is not a difficulty for a person skilled in the art.
  • the opening time depends on the speed of the container 5, the mass of the objects 3, the friction coefficient. Efficient between the objects 3 and the lower bag wall 2, the time when the respective front reference edge of the container 5,9, in this case the upper front reference edge 7, during transport passes the lower part of the respective pocket 1, from the stack height of already in the respective container 5.9 located stack 8 and the shape of the front in the transport direction of the container wall, in which rest the objects 3 with its front edge from.
  • the position of the reference edges 7 of the container 5.9 during transport is determined by the reference edge 7 is detected when it moves past a corresponding sensor and therefore due to the known constant speed can be determined when the reference edge 7, the known position of the lower part of the respective bag 1 happens.
  • This can also be solved more expensively by attaching a sensor for detecting the reference edge to the lower part of each pocket 1.
  • a sensor for detecting the reference edge is attached to the lower part of each pocket 1.
  • the respective stack height is obtained from the summation of the thicknesses of the stacked objects 3, this value being corrected after passing through a measuring station for determining the stack height and corresponding deviation.
  • the number of trials depends on the weight of the object, coefficient of friction according to the specified category of object, eg paper and plastic surface, stack height and container shape
  • Time duration after passing through the lower part of the pocket 1 by the front reference edge 7 of the container 5,9 determined in which results in an optimal alignment of the articles 3 at the front in the direction of transport container wall.
  • These values are stored in such a way that with the variables they are added belonging stored time period can be read.
  • article mass, coefficient of friction is determined by distinguishing the article category and stack height in the intended bin 5,9, and the stored time found with these values according to the type of bin used is then transferred to the control of the opening mechanism 4 so that the opening mechanism 4 becomes the correct one Time, when the distances So, Si, S u or S 0 are reached, is opened.
  • FIGS. 1 and 2 show the memory structure in which the respective time duration T s is stored as a function of the coefficient of friction ⁇ , of the volume V, of the stack height h and of the container type B. Since the differential speed between the tabs 1 and the containers 5 is substantially important, the pockets 1 can also be moved to the left or both according to FIGS. 1 and 2. The reference point then has a fixed position to a pocket. It is also possible to choose as a reference edge in the direction of movement rear upper or lower reference edges. It is also possible, if the test series before operating mode have given correspondingly satisfactory results with respect to the stack images to control the opening times only in response to individual or only less variable parameters.

Landscapes

  • Sheets, Magazines, And Separation Thereof (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Sorting Of Articles (AREA)
EP06706986A 2005-03-26 2006-02-16 Procede pour commander le mecanisme d'ouverture de sachets comprenant des articles plats Not-in-force EP1868743B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005014020A DE102005014020B3 (de) 2005-03-26 2005-03-26 Verfahren zur Steuerung des Öffnungsmechanismus von Taschen mit flachen Gegenständen
PCT/EP2006/001384 WO2006102954A1 (fr) 2005-03-26 2006-02-16 Procede pour commander le mecanisme d'ouverture de sachets comprenant des articles plats

Publications (2)

Publication Number Publication Date
EP1868743A1 true EP1868743A1 (fr) 2007-12-26
EP1868743B1 EP1868743B1 (fr) 2009-07-08

Family

ID=36084379

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06706986A Not-in-force EP1868743B1 (fr) 2005-03-26 2006-02-16 Procede pour commander le mecanisme d'ouverture de sachets comprenant des articles plats

Country Status (5)

Country Link
EP (1) EP1868743B1 (fr)
CN (1) CN101146625A (fr)
AT (1) ATE435709T1 (fr)
DE (2) DE102005014020B3 (fr)
WO (1) WO2006102954A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006025601B3 (de) * 2006-06-01 2007-09-06 Siemens Ag Sortiervorrichtung und Sortierverfahren für flache Gegenstände mit nebeneinander und unbeweglich angeordneten Zwischenablagen
DE102006025599B3 (de) * 2006-06-01 2007-09-06 Siemens Ag Verfahren zur Steuerung der Befüllung von Behältern für flache Gegenstände
FR2984772B1 (fr) * 2011-12-22 2014-02-14 Solystic Dispositif et procede d'empilage et de chargement automatique d'objets plats sur chant dans un bac multi-compartiments, machine de tri postal et procede de tri postal
FR2984774B1 (fr) 2011-12-23 2014-02-14 Solystic Machine de tri d'objets plats presentant des caracteristiques physiques heterogenes, et procede de tri de ces objets plats

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2679542B1 (fr) * 1991-07-22 1995-02-24 Cga Hbs Dispositif de deversement et de rangement sur chant d'objets plats en particulier de plis en sortie d'une machine de tri.
DE4323564A1 (de) * 1993-07-14 1995-01-19 Siemens Ag Sortiereinrichtung, insbesondere für Postgut
FR2708488B1 (fr) * 1993-08-03 1995-10-27 Thieriot Didier Dispositif injecteur d'objets dans une machine de tri postal.
DE10305847B3 (de) * 2003-02-12 2004-08-19 Siemens Ag Sortiereinrichtung für flache Sendungen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006102954A1 *

Also Published As

Publication number Publication date
DE502006004181D1 (de) 2009-08-20
WO2006102954A1 (fr) 2006-10-05
CN101146625A (zh) 2008-03-19
ATE435709T1 (de) 2009-07-15
EP1868743B1 (fr) 2009-07-08
DE102005014020B3 (de) 2006-09-21

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