EP1507728A1 - Verfahren und einrichtung zum stapeln von flachen sendungen - Google Patents
Verfahren und einrichtung zum stapeln von flachen sendungenInfo
- Publication number
- EP1507728A1 EP1507728A1 EP03755072A EP03755072A EP1507728A1 EP 1507728 A1 EP1507728 A1 EP 1507728A1 EP 03755072 A EP03755072 A EP 03755072A EP 03755072 A EP03755072 A EP 03755072A EP 1507728 A1 EP1507728 A1 EP 1507728A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stacking
- stack
- stacked
- consignment
- thickness
- 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
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000012360 testing method Methods 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 238000012937 correction Methods 0.000 claims description 2
- 238000011156 evaluation Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000003068 static effect Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
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
- B65H31/12—Devices relieving the weight of the pile or permitting or effecting movement of the pile end support during piling
- B65H31/18—Positively-acting mechanical devices
-
- 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
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/10—Size; Dimensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/10—Size; Dimensions
- B65H2511/11—Length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/10—Size; Dimensions
- B65H2511/13—Thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/10—Size; Dimensions
- B65H2511/15—Height, e.g. of stack
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/20—Location in space
- B65H2511/22—Distance
- B65H2511/222—Stroke
-
- 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
- B65H2513/00—Dynamic entities; Timing aspects
- B65H2513/50—Timing
- B65H2513/52—Age; Duration; Life time or chronology of event
-
- 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
- B65H2557/00—Means for control not provided for in groups B65H2551/00 - B65H2555/00
- B65H2557/20—Calculating means; Controlling methods
- B65H2557/23—Recording or storing data
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2557/00—Means for control not provided for in groups B65H2551/00 - B65H2555/00
- B65H2557/60—Details of processes or procedures
- B65H2557/61—Details of processes or procedures for calibrating
-
- 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 according to the preambles of claims 1 and 4, wherein the mail items have great differences in terms of their format (length, height), their thickness and their rigidity.
- Unstable and stiff shipments in large and small formats e.g. DIN B4 and small postcards
- Consignments of different lengths, heights, thicknesses and stiffness are transported as individual consignments with minimal spacing in shrouds and should be aligned exactly on two edges (front and bottom edge) for further processing or for storage in a stack.
- DE 27 14 520 AI discloses a method and a device for stacking flat mail items, an underfloor belt and a stacking support releasably fastened with it being moved away from the stacking point as the stack increases, and wherein the mailings transported to a stacking point by means of a cover belt system by means of stacking belts and a stacking roller is moved to a stop forming a stack.
- a solution has been known in which a mechanical limit switch is located directly in front of the stacking roller below the stacking belt, which geometrically protrudes into the letter flow and is therefore pressed when a mail item passes it.
- This limit switch gives a signal to a driven underfloor belt to move the underfloor belt as long as the switch is pressed. Since the switch is located below the belt, it can only detect the lower area of a shipment. Depending on the inclined position of a shipment, the switch is not touched at all and therefore does not give a traversing signal to the underfloor belt and in the other case the shipment presses permanently on the switch, the underfloor belt moves with the Shipment away from the stacking roll until the switch has returned to its original position.
- This type of switch only reacts to a defined stacking force. He cannot react to the individually recognized, specifically different programs. There is therefore only a single stacking force within the stack for all different types of mail items, which is not optimal for all types of mail items.
- JP 08 259 080 AA It is known from JP 08 259 080 AA that an exact alignment can be achieved when stacking if the stack is moved away from the stacking point depending on the thickness of the objects and the speed of this movement depends on at several points the stacking force measured at the stacking point is corrected. A control of this movement depending on the thickness and the stacking force is also taught in JP 08 113 410 AA.
- the size of the goods to be stacked does not differ greatly in terms of size, thickness and quality.
- the invention is therefore based on the object to provide a method and a device for stacking flat mail items, in which an optimal stacking force is generated for each mail item to be stacked, even with relatively large format and thickness differences, so that each mail item with the lowest possible stacking noise up to Arrives and its front edge and its bottom edge are aligned exactly in line with the items already stacked.
- each shipment is measured as a shipment format.
- a correction control loop is then carried out after the respective shipment has reached the stop, the stacking forces are measured at various heights in the area of the stacking roller by means of force sensors and readjusted by means of movement of the underfloor belt with the stacking support within the framework of defined threshold values for the permissible stacking force ranges.
- the stacking device also has a control unit connected to the format measuring device, the thickness measuring device, the drives of the underfloor belts and the force sensors, which ensures the following sequence for each stacking compartment:
- the force sensors to be evaluated with their location, the type of exceedances (time exceeded, amount and number) are determined for each shipment format on the basis of statistical analyzes the exceeding) of corresponding, defined threshold values determines the method of the underfloor belt.
- the optimum stacking force for each shipment not only causes the sometimes very different mail items to be stacked in an exactly aligned manner, but also largely destroys the energy of the mail item to be stacked, thereby reducing the stacking noise.
- test phase it is also advantageous in the test phase to additionally determine the amount to be subtracted from the measured thickness as a function of mail stiffness determined by means of a measuring arrangement. Rigid items tend to be less compressible, so the amount to be subtracted from the thickness has to be reduced.
- the control unit is advantageously designed so that if there is a pause in the consignment of the consignment, the last consignment is not subjected to high frictional loads on the rotating stacking roller and the moving stacking belts for too long and may be damaged, so that if a specified period of time is exceeded, within which none Consignments are fed into the stacking compartment, the underfloor belt with the partial stack held by the stack support is moved away from the stacking roller and the stacking belt until the measured values of the force sensors are so low that the rotating stacking roller and the moving stacking belt do not make the last shipment to damage. Shortly before the next shipment arrives at the stacking compartment, the underfloor belt with the partial stack is moved towards the stacking roll until the specified stacking forces are reached again.
- the invention is then explained in more detail in an exemplary embodiment with reference to the drawing.
- FIG. 1 shows a plan view of the stacking device with a stacking compartment
- FIG. 2 shows a side view seen from the stack support, without stack.
- a stack 16 is formed by a subsequent consignment hitting the preceding consignment at an angle ⁇ at the entrance of a stacking compartment 9 and sliding on it up to a stop 10, by means of which it is stopped. Forces exist between a stacking roller 7 and the stack 16, which must be overcome by a mail item to be stacked in order to reach the stop 10.
- a thickness sensor 12 is arranged in the letter run, which measures the mail item thickness of the mail item 13 that has just moved past.
- an underfloor belt 14, which has a detachable positive connection with a stacking support 8, is moved a certain distance (depending on the measured consignment thickness) by a controlled drive.
- these force sensors 11 are offset in height so that the force sensors 11 can detect all mail items of different heights. Since the gap between the stacking roller 7 and the stacking support 8 is less than the sum of the individual thicknesses of the loose flat mail items of the stack 16, a stacking force is built up within the stack 16. Depending on the height of the consignment 5, it now presses on one or more force sensors 11, which register the corresponding force values. In conjunction with the format control, which has determined the type of item (such as short or long, low or high, unstable or stiff item), the individual force sensors 11 are given the optimum threshold value of the stacking force in order to provide the item 6 to be stacked with optimal conditions procured so that it can be stacked exactly on the front and bottom edge. The force which the stacked mail item 6 emits on the force sensors 11 is compared with the threshold values. Depending on the result, the stack 16 is now compressed or pulled apart by moving the underfloor belt 14 in order to restore the optimal conditions for a subsequent shipment 6.
- the stack 16 is transported by moving the underfloor belt 14 until the measured force values of the force sensors 11 result in sufficiently low values which indicate that the consignment 5 is no longer on the stacking belt 3 , which directs the shipments to the stacking roll 7, is pending.
- the consignment 5 is no longer exposed to the high frictional load of the permanently rotating stacking belt 3. Damage to the shipment is thus avoided.
- the necessary stacking conditions are restored by moving the underfloor belt 14 back.
- the underfloor belt 14 is only driven if a threshold value is exceeded in all force sensors 11,
- the threshold values of the various force sensors 11 are set individually for each type of shipment, depending on the mass, thickness and rigidity and format.
- the force sensors 11 are assigned a time-dependent force evaluation, i.e. the arriving shipment 5 must e.g. transmit a force to the force sensor or sensors 11 for a defined duration and at a defined point in time so that they emit the signal for the forward movement of the underfloor belt 14. This suppresses short-term peak loads.
- the signal for forward movement can also be determined depending on the number of measurements within a time interval and / or the number of times the threshold values have been exceeded.
- the amount to be subtracted from the measured thickness for a careful edge alignment of the stack 16 and the force sensors 11 to be evaluated and their threshold values are determined for each shipment format on the basis of statistical analyzes.
- thin low consignment e.g. postcard
- the thickness sensor 12 registers a consignment that is thinner than 2 mm and therefore does not give the underfloor belt 14 a command to move. So there should be no gap between the stacking roll 7 and the last stacked item 5.
- An upstream height control has registered that the consignment 6 to be stacked is a low consignment and therefore only the values of the force sensors 11a and 11b are to be used for underfloor belt control.
- the low and thin consignment passes the thickness sensor 12.
- the underfloor belt 14 receives no signal in order to create a gap between the stacking roller 7 and the stack 16.
- the force sensors 11a and 11b determine the force. If one of the two determined values exceeds 2 N, the underfloor belt 14 travels the specified path, so that the necessary stacking conditions are established.
- the thickness sensor 12 registers a shipment that is thicker than 2 mm and therefore gives the underfloor belt 14 a command to move. A gap should therefore be created between the stacking roll 7 and the stack 16 before the mail item to be stacked has reached the stacking roll 7. However, the underfloor belt 14 only moves by the amount of the thickness of the mail item minus 2 mm in order to generate a pressure for the mail item to be stacked.
- An upstream height control has registered that the consignment to be stacked is a high consignment and therefore the values of all force sensors 11a to lld should also be used for underfloor belt control.
- the high and 8 mm thick consignment passes the thickness sensor 12.
- the underfloor belt 14 receives the signal to move 6 mm in order to close a 6 mm wide gap between the stacking roller 7 and the foremost mail item 5 of the stack 16 create.
- the force sensors 11a to lld determine the force. If one of the four determined values exceeds 4 N, the underfloor belt 14 travels the defined path, so that the necessary stacking conditions are established.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sorting Of Articles (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Pile Receivers (AREA)
- Controlling Sheets Or Webs (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10223349A DE10223349B4 (de) | 2002-05-25 | 2002-05-25 | Verfahren und Einrichtung zum Stapeln von flachen Sendungen |
| DE10223349 | 2002-05-25 | ||
| PCT/DE2003/001339 WO2003099692A1 (de) | 2002-05-25 | 2003-04-24 | Verfahren und einrichtung zum stapeln von flachen sendungen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1507728A1 true EP1507728A1 (de) | 2005-02-23 |
| EP1507728B1 EP1507728B1 (de) | 2006-11-15 |
Family
ID=29432317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03755072A Expired - Lifetime EP1507728B1 (de) | 2002-05-25 | 2003-04-24 | Verfahren und einrichtung zum stapeln von flachen sendungen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7070180B2 (de) |
| EP (1) | EP1507728B1 (de) |
| JP (1) | JP2005527447A (de) |
| DE (2) | DE10223349B4 (de) |
| WO (1) | WO2003099692A1 (de) |
Families Citing this family (8)
| 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 |
| US8556260B2 (en) | 2006-05-26 | 2013-10-15 | Lockheed Martin Corporation | Method for optimally loading objects into storage/transport containers |
| DE102006031891B4 (de) * | 2006-07-07 | 2008-04-17 | Siemens Ag | Verfahren und Stapelvorrichtung |
| US7527261B2 (en) | 2006-07-13 | 2009-05-05 | Lockheed Martin Corporation | Mailpiece container for stacking mixed mail and method for stacking mail therein |
| DE102009020664A1 (de) | 2009-05-11 | 2010-11-25 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Sortierung von verschiedenartigen Gegenständen |
| EP2368826B1 (de) | 2010-03-25 | 2013-05-22 | Müller Martini Holding AG | Verfahren und Vorrichtung zum Bilden von Paketen in einem Paketbildner |
| 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 |
| US10427882B2 (en) * | 2017-11-28 | 2019-10-01 | John Bean Technologies Corporation | Conveyor belt support system |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1235818B (de) * | 1963-09-26 | 1967-03-02 | Telefunken Patent | Einrichtung zum Abstoppen von hochkant gefoerderten rechteckigen, flachen Sendungen, insbesondere Postsendungen, an einer Stapelwand |
| JPS5253105Y2 (de) * | 1973-04-27 | 1977-12-02 | ||
| DE2714520C3 (de) * | 1977-04-01 | 1980-06-12 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Stapeleinrichtung für Briefsendungen u.a. Fördergut |
| NL8702786A (nl) * | 1987-11-20 | 1989-06-16 | Nederlanden Staat | Inrichting voor het stapelen van bladvormige voorwerpen zoals brieven. |
| 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 |
| US5221080A (en) * | 1992-02-18 | 1993-06-22 | Bell & Howell Company | Stacker assembly having variable pressure stacker plate |
| JP3594666B2 (ja) * | 1994-10-14 | 2004-12-02 | 大日本印刷株式会社 | 刷本集積方法および装置 |
| JPH08259080A (ja) * | 1995-03-27 | 1996-10-08 | Dainippon Printing Co Ltd | 刷本集積方法及びそれに用いる刷本集積装置 |
| DE19547292A1 (de) * | 1995-12-19 | 1997-06-26 | Aeg Electrocom Gmbh | Vorrichtung und Verfahren zum Zwischenstapeln von Sendungen |
| US6588743B2 (en) * | 2001-10-25 | 2003-07-08 | Pitney Bowes Inc. | Adjustable urging force system for stacker paddle |
-
2002
- 2002-05-25 DE DE10223349A patent/DE10223349B4/de not_active Expired - Fee Related
-
2003
- 2003-04-24 EP EP03755072A patent/EP1507728B1/de not_active Expired - Lifetime
- 2003-04-24 WO PCT/DE2003/001339 patent/WO2003099692A1/de not_active Ceased
- 2003-04-24 JP JP2004507359A patent/JP2005527447A/ja active Pending
- 2003-04-24 DE DE50305690T patent/DE50305690D1/de not_active Expired - Lifetime
-
2004
- 2004-11-24 US US10/995,825 patent/US7070180B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO03099692A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US7070180B2 (en) | 2006-07-04 |
| JP2005527447A (ja) | 2005-09-15 |
| DE50305690D1 (de) | 2006-12-28 |
| US20050189270A1 (en) | 2005-09-01 |
| EP1507728B1 (de) | 2006-11-15 |
| WO2003099692A1 (de) | 2003-12-04 |
| DE10223349B4 (de) | 2004-07-01 |
| DE10223349A1 (de) | 2003-12-11 |
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