EP0868227A1 - Device and process for intermediate stacking of letters - Google Patents

Device and process for intermediate stacking of letters

Info

Publication number
EP0868227A1
EP0868227A1 EP19960943994 EP96943994A EP0868227A1 EP 0868227 A1 EP0868227 A1 EP 0868227A1 EP 19960943994 EP19960943994 EP 19960943994 EP 96943994 A EP96943994 A EP 96943994A EP 0868227 A1 EP0868227 A1 EP 0868227A1
Authority
EP
Grant status
Application
Patent type
Prior art keywords
stacking
stack
device
lever
sw
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
EP19960943994
Other languages
German (de)
French (fr)
Other versions
EP0868227B1 (en )
Inventor
Werner Frank
Gerhard Obier
Holger Schererz
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

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00Pile receivers
    • B65H31/30Arrangements for removing completed piles
    • B65H31/3072Arrangements for removing completed piles by moving a surface supporting the pile of articles on edge, e.g. by using belts or carriages
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C1/00Measures preceding sorting according to destination
    • B07C1/02Forming articles into a stream; Arranging articles in a stream, e.g. spacing, orientating
    • B07C1/025Devices for the temporary stacking of objects provided with a stacking and destacking device (interstack device)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00Supports or magazines for piles from which articles are to be separated
    • B65H1/02Supports or magazines for piles from which articles are to be separated adapted to support articles on edge
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00Pile receivers
    • B65H31/04Pile receivers with movable end support arranged to recede as pile accumulates
    • B65H31/06Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled on edge
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H83/00Combinations of piling and depiling operations, e.g. performed simultaneously, of interest apart from the single operation of piling or depiling as such
    • B65H83/02Combinations of piling and depiling operations, e.g. performed simultaneously, of interest apart from the single operation of piling or depiling as such performed on the same pile or stack
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/42Piling, depiling, handling piles
    • B65H2301/421Forming a pile
    • B65H2301/4214Forming a pile of articles on edge
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/42Piling, depiling, handling piles
    • B65H2301/422Handling piles, sets or stacks of articles
    • B65H2301/4226Delivering, advancing piles
    • B65H2301/42265Delivering, advancing piles by moving the surface supporting the pile of articles on edge, e.g. conveyor or carriage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00Dimension; Position; Number; Identification; Occurence
    • B65H2511/20Location in space
    • B65H2511/21Angle
    • B65H2511/214Inclination
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00Dynamic entities; Timing aspect
    • B65H2513/40Movement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/30Force; Stress
    • B65H2515/34Pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/10Handled articles or webs
    • B65H2701/19Specific article or web
    • B65H2701/1916Envelopes and articles of mail

Abstract

A device is proposed for intermediate stacking of letters (SE) in particular in letter processing facilities with a stacking roller (SR), stacking carriage (SW), underlying belt (UB) and a separation device. The stacking roller (SR) is mounted on the stacking carriage (SW) and a pressure gauge is provided in the vicinity of the stacking roller to measure the pressure of the stack against the pressure gauge. It is proposed that a device should be provided for detecting possible slants in the letter stack (ST); that where such a slant is detected, the stacking carriage (SW) and/or underlying belt (UB) are made to move until the slant is eliminated; that the stacking carriage (SW) should be displaced along the underlying belt (UB) until the letter stack (ST) exerts a certain pressure on the pressure gauge provided that the device does not report the presence of a slant.

Description

dun Vorr ic htun g and method for 1 wi see stack n__von_Sen gen

Broom rei bu ng

The present invention relates to an apparatus and a method for intermediate stacking of items, in particular in Briefverarbei¬ processing systems.

Between truck z. As in letter sorting used as a link zwi¬ rule coarse bin routes and fine sorting machines. The intermediate stacking buffers while the irregular incoming shipments so that the fine sorting machine can be evenly loaded.

In a known intermediate stacker are to be stacked, the individual items between a Forder- and a rear tape clamped in the proximity of the stacking location where the mail stack is already there or is formed by the to be stacked consignments promoted. The stack is formed in that the mailpieces are transported individually one after the other ¬ with its front edge up to a stacking wall. For this, the distance at a certain distance from the stacking wall Before ¬ derband of the broadcast and the program moves on to ¬ due to their inertia along a direction Leitzauns Sta¬ pelwand. Finally, the program will roll by a rotating Stapel¬ which is driven for example, by the backing tape conveyed into the space between the mail stack and the stacking roller and up to the stacking wall conveyed.

The programs of the mail stack stand with their lower edge on ei ¬ nem underfloor belt transversely to its direction of motion along the stacking wall can be moved. At the stacking roll opposite side of the stack a separating device is present which can deduct of the mail stack for further processing the items of mail of the stack one by one.

ORIGINAL DOCUMENTS The underfloor belt is moved in the direction of the separating device, so that the stack rests on the Vereinzelungsvornchtung that the program that is of the separation device at the next gen abgezo¬ can be. In the stacking area, the Stapeirolle must be brought into a position der¬ like, that the items can be einzustapelnden befordert between the stacking roller and the stack properly to the stacking wall.

In the previously known intermediate stacker movement of the stacking carriage is effected with the stacking roller in the direction of separating device by mechanical coupling of the stacking carriage with the underfloor belt. Thus, the underfloor belt and the stacking carriage with the stacking roller is moved toward the Vereinzelungsvornchtung the withdrawal of items by the separating apparatus.

For stacking the broadcasts a three-phase motor with an electromagnetic clutch is provided, which in the said pick roller opposite direction moves the stacking carriage with the stacking roller in dependence of the broadcast einzustapelnden along the underfloor belt. In the vicinity of the stacking roller, a lever is disposed on the stack of mail suppressed. The lever actuates a proximity sensor which outputs a signal for switching the clutch, and thus a method of the stacking truck backwards, ie in the direction away from the pick roller when a certain minimum pressure acts on the lever. Once a certain minimum pressure is reached, the clutch is released again, and the stacking carriage remains on the now assumed position.

The disadvantage of this intermediate stacking it that can tip over when unevenly thick broadcast or in particularly severe high shipments of mail stack and thus the function fails Between ¬ staplers is.

The object of the present invention is therefore to ensure a proper function of the intermediate stacker even when unevenly thick program or in particularly severe high broadcasts. This object is inventively by an intermediate stacker having the features of claim 1 is solved.

Advantageous further developments and embodiments of the invention are disclosed in the dependent claims.

The intermediate stacker according to the invention comprises a stacking roller, pelwagen a Sta¬, an underfloor belt, a Vereinzelungsvornchtung, a Druckmeßvomchtung in the vicinity of the stacking roller for measuring the pressure of the stack against the Druckmeßvomchtung and apparatus for detecting the skew the stack of mail on.

The stack roller is arranged on the stacking carriage. The stacking trolley is movable along the bottom transport belt by a drive. At one end of the underfloor belt, the Vereinzelungsvornchtung is arranged. The program to be stacked are transported one after the other between the stacking roller and the already stacked items by the rotating stack roller about its axis to a pile wall and then stand on the floor belt transversely to its direction of movement.

The Vereinzelungsvornchtung at the other end of the stack can deduct each applied to their mission and so reduce the stack of mail again. The resulting there gap is formed by a method of the underfloor belt in the direction

Singulator eliminated. The turned stacked broadcasts increase the pressure of the stack on the Druckmeßvomchtung disposed in the vicinity of the stacking roller.

Peeled program and thus a process of the underfloor belt in direction of the pick roller reduce the pressure on the Druckmeßvor- πchtung. The stacking trolley is in each case as far method until the optimum for stacking stack pressure is reached.

The device for detecting inclinations of the mail stack monitors the mail stack. Unless it reports an inclined position, an electronic control circuit controls the stacking trolley and / or the underfloor belt so that the skew is eliminated. Until CORRECTED skew actuating the information of Druckmeßvomch¬ be tung ignored.

In an oblique position forward, that is, the programs are further away with their upper edge of the stacking roll than with its lower edge, the stack is preferably by briefly method of the blister band forward, ie in the direction

Separating device, re-erected. In an oblique position to the rear of the stack is preferably erected by a method of the underfloor belt and the stacking carriage forward again. The stacking trolley ride so inventively forward and backward depending on the Druckmeßvomchtung if no skew is reported.

It is particularly advantageous to construct the apparatus for detecting the tilt of two überemanderliegenden levers which in each case against the stack of mail items to be printed and which each actuate a switch, wherein the switching points of the switch cherish right on a Senk¬ to the underfloor belt plane and an inclined position is detected is when the switches are of unequal switch positions.

Furthermore, it is particularly advantageous to provide a third lever as part of Druckmeßvomchtung in the same vertical position as the two He¬ bel of particularly preferred apparatus for detecting the inclined position and to provide the third lever with a Mitnehmeran ¬ impact and the other two levers with a to provide the driver and to give the third lever the same form as the two levers to their ¬ except Mitnehmeranschlages and the driver. Thus, the two levers can be used on the one hand for detecting skew, on the other hand they have a say in the pressure at the same time: If any of the two levers is heavy loaded than the third lever, he returns the pressure of its carrier to the driving stop of the third lever further and thus deflected from these so that one of the lever which is most heavily loaded, is decisive for the deflection of the third lever. Furthermore, it is particularly advantageous to use an analogue sensor for measuring the deflection of the third lever, because then a particularly advantageous manner the travel speed development of the third lever may be adapted for an optimum stacking in dependence of Stel¬.

Finally, it is advantageous to roll a Abzugs¬ as separating device to use a take-off belt or more trigger Bander.

In the following the invention with reference to the drawings for a be¬ Sonders will be explained preferred exemplary embodiment of the near.

Show it:

FIG. 1 is a top view of a known stacking carriages with stacking roller and a particularly preferred sensing lever assembly;

Figure 2 shows the Prmzipskizze a particularly preferred according to the invention the intermediate stacker.

Figure 3 is a sketch illustrating a particularly preferred together ¬ menwirkens the sensing lever arrangement.

Fig. 4eιne diagram to illustrate the stacking position to the rear and Schrag

Fig. 5 is a diagram showing the stack Schrag location forward.

The shipments SE, available between the front and the rear band V H tape clamped along the Fuhrungsrollen FR 2, FR3, transported FR 4 wherein the Leitzaune LZ1, LZ2 under the leadership clip. The front belt V is directed to the guide roller FR4, while the rear band H is further guided in the direction of the stacking roll SR. A program that was located between the front band V and the rear band H is further befordert from the Fuhrungsrolle FR4 by their inertia direction Stapelroiie SR detected by the stacking roller SR, and between the stacking roller SR and the mail stack ST to the stacking wall SW befordert.

A stacking spiral SP detected advantageously during passage of the dung Sen¬ SE and pushes the same from the rear band H in the direction away mail stack ST. The more shipments are stacked, the more the stacking cart SW must be befordert away from the pick roller AR. The more items are deducted, the more the stacking cart SW must for takeoff roll out AR befordert werder so that the stacking is possible optimal for subsequent shipments einzustapelnden SE. The underfloor belt OA will then proceed to the motor Mi, respectively, that the pick roller located closest broadcast SE can be peeled from the pick roller. The control of the motor Mi is performed by the electronic circuit ES. The control of the stacking carriage SW is described below:

A particularly preferred Fuhlhebelanordnung FH has three lever FHi, FHΣ, FH3, which are in the same vertical position are superposed and are each printed by the springs Fi, F 2, F3 against the mail stack ST ge. The lever FHi or FH 2 operate the switches Si and S2 on the one hand and on the other they can, depending on their position on Mitneh¬ mer MI1 and MI2 to the driving abutment of the lever MA FH3 print, and so deflect the lever with FH3. The lever FH3 has at its opposite end to the mail stack to the magnet MG which is led past at a Hall sensor HS. The lever FH3 is brought after the biggest pile pressure on one of the levers FHi, FH2, FH3 deflected and the magnet MG in a certain position relative to the Hall sensor HS. The signal of the Hall sensor is in the Elektronischaltung ES converted into corresponding voltages for the Gleichstrommotorantπeb M 2, which drives the stacking carriages SW via a Zahnπemen Z. So is faster, slower, depending on stack pressure of the stack car or even do not move.

The switching points of the switches Si and S2 are on one level to the underfloor belt plane. Reports the upper switch S2 'a' and the lower switch Si ', so this means an oblique position behind after (.see Fig. 4).

Reports the upper switch S2 'off "and the lower switch Si a, this means an oblique position forward (see Fig. 5).

In an oblique position to the rear of the stack is preferably raised again by a brief process of the underfloor belt and UB of the stacking truck SW forward. In an oblique position forward of the stack ST is preferably erected by a method of the underfloor belt forward. During a detected skew the signals of the Hall sensor HS have no effect on the drive of the motor M2 and thus the movement of the stacking cart SW.

The invention is easily modifiable. Thus, instead of the previously beschrie¬ surrounded Fuhlhebelanordnung a Druckmeßvomchtung and a Vorrich¬ tung be used to Schrag position detection, the position detection Schrag z. As may be realized by two transverse to the direction of movement of the underfloor belt ÜB one above the other in the vicinity of the stacking roller hegende light barriers and an inclined position is detected when the light barrier signal different state.

Claims

claims
is disposed 1. A device for the intermediate stacking of items of mail (SE) in particular in letter processing systems having a stacking roller (SR), a stacking carriage (SW), an underfloor belt (UB) and a separating device, wherein the stacking roller (SR) on the stacking carriage (SW) and wherein a Druckme߬ vomchtung in the vicinity of the stacking roller is present, for Mes¬ sen the pressure of the stack against the Druckmeßvomchtung, characterized in that a device for detecting possible inclined positions of the stack of mail (ST) is present, that detected at a oblique position of the stacking carriage (SW) and / or the underfloor belt (UB) method until the
Skew is eliminated in that the stacking carriage (SW) as long along the underfloor belt
(ÜB) is moved, until the mail stack (ST) a specific
Pressure on the Druckmeßvomchtung status, provided that the
Device does not signal skew.
2. Device according to claim 1, characterized in that the device for detecting possible inclined positions two superposed lever (FHi, FH2), which against the mail stack (ST) are pressed in that the levers each have a switch (Si, S2) operate, wherein the switching of the switches (Si, S2) on a perpendicular to the plane of the underfloor belt (UB) are located and an inclined position is detected when the switches (Si, S2) having unequal switch positions.
3. Device according to claim 2, characterized in that the two levers (FHi, FH2) each have a driver (with, MI2), in that a third lever (FH3) in the same vertical position as the other two levers (FHI, FH2) is attached, the one
having driver stop (MA), that the third lever (FH3) except the Mitnehmeranschlags
(MA) and the drivers (MI1, MI2) of the same shape as two cie
Having lever (FHi, FH 2), that the third lever (FH3) part of Druckmeßvomchtung αes in the vicinity of the stacking roller (SR) existing pressure against αie
Druckmeßvomchtung is that a device for detecting the deflection of the heoels
(FH3) is present, that the drivers (MI1, MI2) of the two levers (FHi, FH2) against the
-όnnen press driving abutment (MI) of the third lever (FH3).
4. Device according to one of the preceding claims, characterized in that an analog sensor (AS) for detecting the deflection ces lever is present.
5. Device according to claim 4, characterized in that it (AS) is a Hallsenso ^ If the analog sensor.
6. Device according to one of the preceding claims, characterized in that an electronic circuit (ES) for controlling the speed of the stacking carriage (SW) along the bottom transport belt (UB) in dependence on the position of the third lever (FH3) is present.
7. Device according to one of the preceding claims, characterized in that the separating device as a draw-off roller (AR) is formed.
8. Device according to one of claims 1 to 6, characterized in that the separating device is designed as a discharge belt or hood bands.
9. A method for erecting a stack according to any one of the foregoing is in a Vor¬ direction claims, characterized in that with an oblique position of the stack (ST) to the front of the stack (ST) by briefly method of the underfloor belt (UB) to that with an oblique position of the stack (ST) to the rear of the stack (ST) by movement of the underfloor belt (UB) and the stacking carriage (SW) is erected forward again is erected forward again.
EP19960943994 1995-12-19 1996-12-18 Device and process for intermediate stacking of letters Expired - Lifetime EP0868227B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE1995147292 DE19547292A1 (en) 1995-12-19 1995-12-19 Device and method for the intermediate stacking of items
DE19547292 1995-12-19
PCT/EP1996/005682 WO1997022425A1 (en) 1995-12-19 1996-12-18 Device and process for intermediate stacking of letters

Publications (2)

Publication Number Publication Date
EP0868227A1 true true EP0868227A1 (en) 1998-10-07
EP0868227B1 EP0868227B1 (en) 1999-08-25

Family

ID=7780481

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19960943994 Expired - Lifetime EP0868227B1 (en) 1995-12-19 1996-12-18 Device and process for intermediate stacking of letters

Country Status (5)

Country Link
US (1) US5957448A (en)
EP (1) EP0868227B1 (en)
JP (1) JP3839058B2 (en)
DE (2) DE19547292A1 (en)
WO (1) WO1997022425A1 (en)

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US6217020B1 (en) 1999-12-21 2001-04-17 Pitney Bowes Inc. Method and apparatus for detecting proper mailpiece position for feeding
EP1612167A2 (en) * 2004-07-01 2006-01-04 Kabushiki Kaisha Toshiba Sheet material feeding apparatus

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US6270070B1 (en) * 1999-12-21 2001-08-07 Pitney Bowes Inc. Apparatus and method for detecting and correcting high stack forces
US6511062B1 (en) 2000-02-07 2003-01-28 Lockheed Martin Corporation Presentation control for flat article singulation mechanism and sensors suitable for use therewith
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DE10223349B4 (en) 2002-05-25 2004-07-01 Siemens Ag Method and device for stacking flat mail items
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6217020B1 (en) 1999-12-21 2001-04-17 Pitney Bowes Inc. Method and apparatus for detecting proper mailpiece position for feeding
EP1612167A2 (en) * 2004-07-01 2006-01-04 Kabushiki Kaisha Toshiba Sheet material feeding apparatus
EP1612167A3 (en) * 2004-07-01 2007-10-03 Kabushiki Kaisha Toshiba Sheet material feeding apparatus

Also Published As

Publication number Publication date Type
DE19547292A1 (en) 1997-06-26 application
JP2000502023A (en) 2000-02-22 application
EP0868227B1 (en) 1999-08-25 grant
DE59602907D1 (en) 1999-09-30 grant
US5957448A (en) 1999-09-28 grant
WO1997022425A1 (en) 1997-06-26 application
JP3839058B2 (en) 2006-11-01 grant

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