EP1110626A1 - Dispositif de mesure de l'épaisseur d'objets postaux durant leur transport - Google Patents

Dispositif de mesure de l'épaisseur d'objets postaux durant leur transport Download PDF

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Publication number
EP1110626A1
EP1110626A1 EP99811199A EP99811199A EP1110626A1 EP 1110626 A1 EP1110626 A1 EP 1110626A1 EP 99811199 A EP99811199 A EP 99811199A EP 99811199 A EP99811199 A EP 99811199A EP 1110626 A1 EP1110626 A1 EP 1110626A1
Authority
EP
European Patent Office
Prior art keywords
packages
shaft
probe
buttons
guide wall
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.)
Withdrawn
Application number
EP99811199A
Other languages
German (de)
English (en)
Inventor
Jean-Claude Oppliger
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
Priority to EP99811199A priority Critical patent/EP1110626A1/fr
Publication of EP1110626A1 publication Critical patent/EP1110626A1/fr
Withdrawn legal-status Critical Current

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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
    • B07C1/00—Measures preceding sorting according to destination

Definitions

  • the invention relates to a device for measuring thickness flat packages during their transport on a processing line, consisting of a guide wall, between the and a probe connected to a transmitter the packages by a rotating transport device be promoted.
  • Devices of this type are mainly used in post centers for sorting flat postal items, for example letters, sample items, small packages or the like, according to delivery districts.
  • a thickness measurement it can be avoided, among other things, that the collecting containers for the destinations to which the packages are transferred are overfilled, even for consignments of different thicknesses. This is intended to create a kind of early warning system in order to ensure that a filled collection container can be exchanged for an empty one in good time.
  • WO / 9731727 conveys an apparatus and a method for the selective transfer of packages. Thereby becomes Generation of the space requirements of the packages in the collection containers signals that determine the thickness of each package recorded and the sum with the capacity of a collecting container compared, a procedure to replace the collection container leads.
  • the determination device provided for this purpose has an abutment element which is attached to a support surface can be created for the package surface facing away from the packages and from its relative position related to the contact surface the signal representing the thickness is formed. For measurement the thickness of the transport of the packages must not be interrupted become.
  • the contact element has a parallel to one Support surface and perpendicular to the conveying direction of the shipping items running roller axis rotatable roller.
  • DE - B - 195 45 057 discloses a method for feeding from flat shipments to a distribution facility, being within a main control loop measured the thickness of the subtracted mail becomes. For measuring the thickness of the deducted items the deflection of a swivel castor in the takeover area is determined.
  • the invention has for its object a generic To create a device with which a more thorough or accurate and more reliable detection of the thickness of the packages than can be achieved so far.
  • the Touch device at least two, transverse to the conveying direction of the Contains packages arranged side by side buttons. It are thus not only with a button on one as before Area of a package measured the thickness but it are at least the thickness of two areas for each package detected.
  • buttons are advantageously formed by probe arms that are on a pivot axis parallel to the guide wall is mounted, so that an accurate measurement is made possible.
  • buttons have a common pivot axis, whereby the structure of the feeler simplified and the narrow Space conditions can be used optimally.
  • the pivot axis of the probe arms by a shaft is expedient trained, attached to the at least one probe arm and the is rotatably mounted.
  • the Shaft at least a second probe arm pivoted and these are connected to the second feeler arm by a towing device is so that the shaft is firmly connected Probe arm can be towed. This will make for the thickness measurement in each case the button that determines the thicker area of a Scanned shipping item.
  • buttons or the probe arms are through the packages can be pivoted against the force of a spring, whereby instead of a probe arm, the button also acts as a push button the restoring force of a compression spring designed to act can be.
  • a sensor connected to the shaft could be used as a measuring sensor Encoders are used by an electrical wire is connected to a computer.
  • a button is designed as a freely rotating roller or sliding shoe, so that an exact thickness measurement can be made.
  • the device according to the invention is suitable for both standing as well as for lying transport of the packages.
  • FIG. 1 shows a device 1 according to the invention, which is a merely indicated transport device 5, provided with two conveyor belts 5a, by means of which packages 2 are conveyed between two adjacent runs of the conveyor belts 5a perpendicular to the plane of the drawing.
  • the conveying direction of the packages 2 is indicated in FIG. 2 by arrow 22.
  • Shipping item 2 is supported on the lower edge on the top 3a of a table 3.
  • the package is a substantially flat object, such as a letter, card, mailing bag, pouch, or printed matter.
  • On one surface 2b the package 2 is guided along a standing plate 4 forming a guide wall.
  • the opposite shipping surface 2a is free at least in some areas.
  • the shipping item 2 shown has a thickening 2c in a lower region.
  • the thickening 2c can also occur in a middle or upper area.
  • the package 2 can also be uniformly thick. In the thinner area, the thickness of the package 2 is indicated with d1 and in the thicker area 2c with d2.
  • the device has a rotary encoder 10 which has a shaft 11 which is guided in a rotary bearing 9. 2, the rotary bearing 9 is fastened to a horizontally extending support 8 by fastening screws 15.
  • Two buttons 6 and 7 are arranged at a distance from one another on the shaft 11. The lower button 7 is rotatably connected to the shaft 11.
  • the upper button 6 acts on the shaft 11 via a pivotable towing element 12 attached to the shaft 11, for which purpose a driver pin 13 is attached to the towing element 12, which engages in the pivoting range of the button 6.
  • the buttons 6, 7 have a sensing arm 18 on which a roller 16 is rotatably mounted on an axis 17 at a distance from the axis of rotation 50 of the shaft 11.
  • buttons 6, 7 are on the opposite Side of the shaft 11 provided with a tension arm 19 the one tension spring 20 at one end and with the other end a frame-fixed bracket 21 is attached. These tension springs 20 press the rollers 16 against the packages 2 being passed. The contact pressure can be adjusted using adjusting screws 37.
  • the tension springs 20 allow the buttons to be pivoted 6, 7 if the transported in different thicknesses Packages 2 pass through the touch probe. The swivel movement the button 6, 7 depends on the thickness of the packages 2nd
  • buttons 6, 7 by the Tension springs 20 briefly returned to a rest position.
  • the Movements of the buttons 6, 7 are indicated by a double arrow 23 Fig. 3 noted.
  • the execution according to the 1 to 3 the role 16 of the upper button 6 indirectly the inside of the conveyor belt 5a on the package 2.
  • Fig. 3 are also the deflection wheels 39, 40 of the two rotating Conveyor belts 5a of the transport device 5 can be seen.
  • Fig. 3 shows that a button 6 opposite Guide area of the plate 4 has a recess 38, through which the conveyor belt 5a runs and as a conveyor The guide wall acts between and the roller 16 of the button 6 the package is located.
  • the rotary encoder 10 is, for example, a known incremental rotary encoder in which the pivoting movements of the buttons 6, 7 are detected as a change in angle and converted into corresponding signals. It is important that thickening 2c can also be measured in regions with the two buttons 6, 7. In particular, a slight thickening 2c at the lower end of a shipping item 2 can be determined. If the thickening 2c is arranged at a medium height, the button 6 is pivoted correspondingly more strongly than the button 7. The button 6 rotates significantly via the towing device 12 via which a signal is generated in the encoder 10 and transferred to the computer 35 becomes. Each package 2 thus conveys a value for its thickest area. its thickest place.
  • the signals are fed to a computer 35 via the signal line 36 and stored, compared or added therein. If a value determined for a collection container is reached, a container change can be displayed or carried out, for example, on a sorting system by means of a signal from the computer 35.
  • FIGS. 4 to 8 are fundamentally based on the same functional principle as the device according to FIGS. 1 to 3. They differ by a larger number of scanning devices distributed over the width of the packages 2 and by different types of spring arrangements.
  • 4 and 5 show a device according to the invention in comparison with the embodiment according to FIGS. 1 and 2, in which the pivot axis 50 and. the shaft 11 is extended, so that a further pushbutton device consisting of two pushbuttons 6 '6''is provided above the carrier 8, the pushbuttons 6', 6 '', which are freely rotatably mounted on the shaft 11, interacting via a towing device 12 ' the shaft 11 are drive-connected.
  • the towing device 12 ' arranged between the buttons 6' and 6 '' which is freely rotatably mounted on the shaft 11 and which is connected in a rotationally fixed manner to the shaft 11 has a driving pin 13 penetrating it and projecting into the swivel range of the buttons 6 ', 6''' on.
  • the button 6 ' is formed with two additional rollers 16''.
  • At the upper end of the shaft 11 there is a further carrier 8 ′ for mounting the shaft 11 and above it the rotary encoder 10.
  • each pushbutton device has only one tension spring 20, 20 ', ie the spring forces are distributed over several pushbuttons 6, 7, 6' 6 ''.
  • 6 shows an alternative embodiment of the invention, in which the two pushbuttons are formed by pushbuttons 6, 6 ', 6''which can be freely rotated on the shaft 11 and which are connected to the driving pins 13' of the towing devices 12, 12 'which are fixedly connected to the shaft 11. act. With this construction, only one tension spring 20 is required. In contrast, as illustrated in FIG. 7, both buttons 6, 6 ', 6''and towing device 13, 13' can be connected to a tension spring 20, 20 '.

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EP99811199A 1999-12-23 1999-12-23 Dispositif de mesure de l'épaisseur d'objets postaux durant leur transport Withdrawn EP1110626A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99811199A EP1110626A1 (fr) 1999-12-23 1999-12-23 Dispositif de mesure de l'épaisseur d'objets postaux durant leur transport

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99811199A EP1110626A1 (fr) 1999-12-23 1999-12-23 Dispositif de mesure de l'épaisseur d'objets postaux durant leur transport

Publications (1)

Publication Number Publication Date
EP1110626A1 true EP1110626A1 (fr) 2001-06-27

Family

ID=8243211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99811199A Withdrawn EP1110626A1 (fr) 1999-12-23 1999-12-23 Dispositif de mesure de l'épaisseur d'objets postaux durant leur transport

Country Status (1)

Country Link
EP (1) EP1110626A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101306947B1 (ko) * 2013-05-10 2013-09-09 안형복 탄피 검사장치
CN107826361A (zh) * 2017-12-05 2018-03-23 深圳市三包装设备有限公司 面膜布折叠机
EP4357727A1 (fr) * 2022-10-21 2024-04-24 Schröder Maschinenbau GmbH Dispositif de detection de hauteur

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3712468A (en) * 1971-02-24 1973-01-23 W Wenner Device which scans and detects for contents in a package
US5238123A (en) * 1992-04-10 1993-08-24 Agissar Corporation Automated thickness and length detecting and sorting system for envelopes
WO1997031727A1 (fr) * 1996-02-28 1997-09-04 Grapha-Holding Ag Dispositif et procede pour le transfert selectif d'objets postaux
US5727692A (en) * 1992-08-19 1998-03-17 Stielow Gmbh & Co. Apparatus and method for checking an envelope for contents

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3712468A (en) * 1971-02-24 1973-01-23 W Wenner Device which scans and detects for contents in a package
US5238123A (en) * 1992-04-10 1993-08-24 Agissar Corporation Automated thickness and length detecting and sorting system for envelopes
US5727692A (en) * 1992-08-19 1998-03-17 Stielow Gmbh & Co. Apparatus and method for checking an envelope for contents
WO1997031727A1 (fr) * 1996-02-28 1997-09-04 Grapha-Holding Ag Dispositif et procede pour le transfert selectif d'objets postaux

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101306947B1 (ko) * 2013-05-10 2013-09-09 안형복 탄피 검사장치
CN107826361A (zh) * 2017-12-05 2018-03-23 深圳市三包装设备有限公司 面膜布折叠机
EP4357727A1 (fr) * 2022-10-21 2024-04-24 Schröder Maschinenbau GmbH Dispositif de detection de hauteur

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