EP1530545A1 - Verfahren und einrichtung zum stapeln flacher sendungen in eine stapelaufnahme - Google Patents
Verfahren und einrichtung zum stapeln flacher sendungen in eine stapelaufnahmeInfo
- Publication number
- EP1530545A1 EP1530545A1 EP03740113A EP03740113A EP1530545A1 EP 1530545 A1 EP1530545 A1 EP 1530545A1 EP 03740113 A EP03740113 A EP 03740113A EP 03740113 A EP03740113 A EP 03740113A EP 1530545 A1 EP1530545 A1 EP 1530545A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stacking
- stack
- roller
- force
- belt
- 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
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
- B65H31/00—Pile receivers
- B65H31/04—Pile receivers with movable end support arranged to recede as pile accumulates
- B65H31/06—Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled on edge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2513/00—Dynamic entities; Timing aspects
- B65H2513/40—Movement
-
- 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
- B65H2553/21—Variable resistances, e.g. rheostats, potentiometers or strain gauges
-
- 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 method and a device for stacking flat mail items in a stack holder according to the preambles of claims 1 and 6.
- the force of the stack against the stacking roll (stacking pressure) must be optimally adjusted so that each consignment reaches the stop wall and its front and bottom edges are exactly aligned with the consignments that have already been stacked.
- the manipulated variable for regulating the stack pressure on the stacking roller is the advance of the movable stacking support, with which an underfloor belt can also be coupled. Stacking a shipment increases the stack pressure and can be reduced or optimally adjusted by moving the stack away from the stacking roller or by advancing the underfloor belt with the stacking support. In order to regulate the stack pressure, it is necessary to measure it.
- one or more force measuring devices are located on the stacking wall in the surrounding area of the stacking roller.
- DE 195 47 292 A1 describes an intermediate stacker in which one or more spring-loaded levers are arranged near the stacking roller for measuring the stacking pressure, and the stack of mail pushes against it.
- the levers actuate switches which emit switching signals for driving the stack support with the underfloor belt.
- a signal to move the underfloor belt and the stack support away from the stacking roller is triggered. If a certain min If the pressure drops below the minimum pressure, the underfloor belt with the stack support remains in the position it has now assumed.
- the force between the stack and the stacking roll (stacking pressure) is decisive, because the amount of friction between the consignment and the stacking roll (or the stacking belt) is directly dependent on this and because the force that causes the shipment of the shipment is exerted on the shipment via the stacking roller (or the stacking belt).
- the previously known solution only enables the pressure between the stack and one or more contact points of the stack (lever) to be measured on the stack wall in the surrounding area of the stack roller (that is to say on the force measuring devices which only bypass the function-relevant force flow via the stack roller represent). This means that a direct measurement of the stack pressure is not possible, but only a rough estimate of the stack pressure using the measured force shunt.
- the invention is therefore based on the object to provide a method and a device for stacking flat articles, in which the 'more accurately be controlled stacking Measured is.
- the stack pressure is measured directly on the stack roller approximately perpendicular to the direction of the resulting belt force acting on the stack roller via a deflection of the stack roller.
- the deflectable stacked roller bearing is connected to the force transducer via a connecting element for power transmission
- the stacking roller can only be deflected approximately perpendicularly to the direction of the resulting belt force.
- the force is transmitted from the stacking roller to the bending beam
- Force measuring device advantageously via a connecting element which is stiff in the force transmission direction approximately perpendicular to the resulting belt force and perpendicular to it is flexible. It is also advantageous to mount the force measuring device in an adjustable manner on a slide in order to compensate for preloads caused by assembly or tolerance.
- the deflection of the stacking roller is advantageously achieved in that the stacking roller bearing is fastened on a movable rocker arm.
- the direction of the resulting belt force is not changed as a result of a shipment by lifting the stacking belt from a deflecting roller located in front of the stacking roller in the transport direction, as a result of which interference forces are briefly generated, it is advantageous to carry out the measurement of the stacking pressure if there is no follow-up shipment between the stacking belt and the pulley. If this is not possible, the changed direction of the resulting belt force, depending on the thickness of the subsequent mailing, can be taken into account in the calculation of the force.
- FIG. 2 shows a perspective view of the stacking roller with force measuring device obliquely from below
- FIG 3 shows a perspective view of the stacking roll with a force measuring device obliquely from above.
- the mail items are transported one after the other and clamped between the stacking belts 1, 2 in a standing position in the direction of the stacking roll 4. So that . stacking can take place, the stacking belt 2 directed towards the stack is deflected in front of the stacking device via a deflection roller 3, whereas the other stacking belt 1 is only deflected via the stacking roller 4.
- the mailings are directed due to their kinetic energy and frictional forces along the stacking belt 1 to the stacking roll 4 to the stacking support 11 located there, if no mailing has been stacked, or directed against the last stacked mailing of the stack at an acute angle and then held between the stack support 11 and a stack wall 7 parallel thereto, from which the stack roller 4 protrudes somewhat.
- the stack pressure that prevails between the uppermost shipment of the stack and the stacking roll 4 must be so great that each shipment arrives safely between the stacking roll 4 and the stacking support 11 or the uppermost shipment of the stack until the stop wall 8 stops which the kinetic energy of the broadcast is reduced. So that the stack pressure does not become too high after stacking a shipment, the stack support 11 and the stack support in the form of an underfloor belt 9 must be moved away from the stacking point.
- the stack pressure measurement is carried out directly on the deflectable stack roller 4. Since the strong resulting belt force F R also acts on the stack roller 4, the stack pressure F s, which is small in relation to this, must the belt force F R are decoupled from the stacking roller 4. This is achieved by measuring only the component F S g approximately perpendicular to the direction of the resulting belt force F R from the stack pressure F s . The two force directions are therefore vectorially independent of one another.
- the stacking roller 4 is mounted in such a way that a minimal deflection approximately perpendicular to the resultant of the belt force F R (ie in the direction of F ss ) can take place with a minimal force.
- the stacking roller 4 is pivotally mounted on a movable rocker 14 with minimized friction. Storage of the stacking roller 4 on an element that is easily deformable in this direction is in principle also possible.
- the force component F ss is measured by a force measuring device which is positively connected to the rocker 14 of the stacking roller 4.
- the force component F ss is transmitted to the force measuring device by a connecting element 5, which is designed to be particularly flexible about the two axes perpendicular to the force measuring direction in order to compensate for any geometric inaccuracies or the resulting stresses and no transverse forces on the force measuring device transferred to.
- the connecting element 5 is made as rigid as possible.
- a measuring principle with a minimal measuring path for example by means of a bending beam 6 with strain gauges, is used for force measurement in order to minimize interference forces due to the displacement of the force device due to the measuring path.
- the Ver inding element 5 is, as can be seen in Figures 2 and 3, fastened with screw connections on the bending beam 6 and on a fastening element of the rotatably mounted rocker 14.
- the bearing 13 of the stacking roller 4 is also located on the rocker 14.
- the bending beam 6 is fastened on a lock 15 that can be locked in the measuring direction.
- the force component F ss changes depending on the size of the angle ⁇ between the resulting belt force F R and the stack wall 7. At an angle ⁇ of approximately ⁇ 30 °, it is still large enough to achieve meaningful measurement results. If the force measuring direction is not arranged in the direction of movement of the stacking roller 4, but rather in the direction of the stacking pressure Fg to be measured, cosß goes against 1 and thus F ss against Fg. However, with minimal deflection, the direction of movement of the stacking roller 4 no longer corresponds to the force measuring direction , whereby with increasing measuring path
- the rocker 14 is attached below the stacking roller 4 (between the stacking roller and letter plate) so that the stacking belt 1 is not locked in. So that the stacking wall 7 does not have to be disassembled when changing the belt, it is provided with a hinged door which enables the stacking belt 1 to be removed upwards.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pile Receivers (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10236952A DE10236952B3 (de) | 2002-08-13 | 2002-08-13 | Einrichtung zum Stapeln flacher Sendungen in eine Stapelaufnahme |
DE10236952 | 2002-08-13 | ||
PCT/DE2003/002186 WO2004018338A1 (de) | 2002-08-13 | 2003-07-01 | Verfahren und einrichtung zum stapeln flacher sendungen in eine stapelaufnahme |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1530545A1 true EP1530545A1 (de) | 2005-05-18 |
EP1530545B1 EP1530545B1 (de) | 2010-06-23 |
Family
ID=31895545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03740113A Expired - Lifetime EP1530545B1 (de) | 2002-08-13 | 2003-07-01 | Einrichtung zum stapeln flacher sendungen in eine stapelaufnahme |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1530545B1 (de) |
JP (1) | JP2005538007A (de) |
DE (2) | DE10236952B3 (de) |
WO (1) | WO2004018338A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004012379B4 (de) * | 2004-03-13 | 2006-01-19 | Siemens Ag | Verfahren und Einrichtung zum Stapeln von flachen Sendungen |
EP2607277B1 (de) * | 2011-12-23 | 2014-02-12 | Neopost Technologies | System zur Verbesserung der Stapelung von flachen Gegenständen |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5874455A (ja) * | 1981-10-26 | 1983-05-04 | Toshiba Corp | 紙葉類の集積装置 |
FR2674837B1 (fr) * | 1991-04-04 | 1993-07-30 | Darchis Pierre | Dispositif pour la formation d'une pile d'objets plats, notamment d'enveloppes de courrier. |
US5253859A (en) * | 1991-06-07 | 1993-10-19 | Mario Ricciardi | Apparatus and method for stacking sheet-like articles |
JPH082780A (ja) * | 1994-06-22 | 1996-01-09 | Dainippon Printing Co Ltd | 刷本集積装置の集積荷重測定装置 |
FR2741055B1 (fr) * | 1995-11-13 | 1998-01-02 | Realisations Etudes Et Commerc | Dispositif de regulation de la pression d'empilage pour un dispositif d'empilage horizontal de cahiers |
DE19547292A1 (de) * | 1995-12-19 | 1997-06-26 | Aeg Electrocom Gmbh | Vorrichtung und Verfahren zum Zwischenstapeln von Sendungen |
-
2002
- 2002-08-13 DE DE10236952A patent/DE10236952B3/de not_active Expired - Fee Related
-
2003
- 2003-07-01 JP JP2004529698A patent/JP2005538007A/ja not_active Withdrawn
- 2003-07-01 DE DE50312833T patent/DE50312833D1/de not_active Expired - Lifetime
- 2003-07-01 EP EP03740113A patent/EP1530545B1/de not_active Expired - Lifetime
- 2003-07-01 WO PCT/DE2003/002186 patent/WO2004018338A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2004018338A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2004018338A1 (de) | 2004-03-04 |
DE10236952B3 (de) | 2004-03-25 |
JP2005538007A (ja) | 2005-12-15 |
EP1530545B1 (de) | 2010-06-23 |
DE50312833D1 (de) | 2010-08-05 |
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