WO2004020114A1 - Vorrichtung zum positionsgenauen zuführen von flachen sortierstücken zu einer eingabevorrichtung für einen sortierförderer - Google Patents
Vorrichtung zum positionsgenauen zuführen von flachen sortierstücken zu einer eingabevorrichtung für einen sortierförderer Download PDFInfo
- Publication number
- WO2004020114A1 WO2004020114A1 PCT/EP2003/006179 EP0306179W WO2004020114A1 WO 2004020114 A1 WO2004020114 A1 WO 2004020114A1 EP 0306179 W EP0306179 W EP 0306179W WO 2004020114 A1 WO2004020114 A1 WO 2004020114A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sorting
- conveyor
- slide
- rollers
- carriage
- Prior art date
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
- B07C1/00—Measures preceding sorting according to destination
- B07C1/02—Forming articles into a stream; Arranging articles in a stream, e.g. spacing, orientating
- B07C1/04—Forming a stream from a bulk; Controlling the stream, e.g. spacing the articles
Definitions
- the invention relates to a device for accurately feeding flat sorting pieces to an input device for a sorting conveyor.
- Such a device is usually used in a sorting conveyor for post automation, such as is described for example in European patent application EP 827 786 AI.
- This sorting conveyor usually has so-called bullet devices, which shoot the flat sorting pieces into pockets of a rotating conveyor. The flat sorting pieces are emptied out of these pockets at the physical target locations assigned to them and can subsequently be brought to their destination.
- the invention is therefore based on the object of specifying a device for accurately feeding flat sorting pieces to an input device for a sorting conveyor, which makes it possible, in particular, to also address the above-mentioned particularly problematic ones
- this object is achieved according to the invention in that a withdrawal unit which periodically separates the flat sorting items has the flat sorting items in individual form feeds onto a conveyor line and a feed unit transfers the separated sorting items after these sorting items have reached a predetermined conveying location of the conveyor line with a defined feed of the input device.
- the sorting pieces which have a preferred edge, can be deposited in stacks in the withdrawal unit and can be transferred to the conveyor line with the preferred edge lying foremost.
- the extraction unit comprises a drum-like, rotatable unit which has suction cups and a transport securing element, with the suction cups providing an attack on a sorting piece closest to the drum and then with the transport securing element an edge, in particular the preferred edge, of the sorting piece engaged with the suction cups can be brought into engagement.
- the suction cups can suck in a sorting piece located at the bottom of the stack near the edge and, due to the circular path of the drum, from the sorting pieces above separate.
- the transport securing element controlled by the circular movement for example a lever pressing the sorting piece with the edge against a counter bearing, engages the sorting piece, which is now pulled out of the stack and conveyed into a suitable position on the circular path.
- the vacuum of the suction cups can be reduced again and the transport securing element can be removed from the edge for depositing the sorting piece on the conveyor line after a predeterminable rotation angle line.
- the sorting piece is so freely conveyable on the conveyor line, which does not necessarily mean that the sorting piece is placed in a horizontal position, since the circular movement of the drum-like unit also allows other layers.
- the predetermined conveying location can be determined by a light barrier assigned to the conveying path and / or by one of the
- Contact sensor assigned to the conveying path can be represented.
- the specified funding location can be represented at the same time or alternatively also by the end of the conveyor line.
- a mechanically particularly reliably operable and simply constructed feed unit is obtained if the feed unit comprises a telescopic unit with a movable carriage, the carriage moves out of the predetermined conveying location when the sorting piece is reached, and the defined feed corresponds to the predetermined extension path.
- the extension and the subsequent retraction can be activated by an electric motor, but for example pneumatically. According to the control of these activation elements, the extension path can therefore be changed within appropriate limits, so that the extension path can be quite shorter than the length of the pull-out means available, e.g. a pull-out rail.
- the slide of the telescopic unit is adjusted so that it has returned to its rest position before the sorting piece just ejected following sorting piece has reached the specified funding location. It should be noted here that the next sorting piece can already be transported to the predetermined conveying location over the retracting slide of the telescopic unit. The only important thing is that the sled has returned to its rest position at least at the time when that
- Sorting piece has reached the predetermined conveying point and thus the takeover of the sorting piece on the slide is imminent.
- the slide of the telescopic unit can have a revolving conveyor belt that is not driven during the extension movement and driven during the insertion movement. It is thus possible for the position of the sorting piece to remain unchanged relative to the slide during the push-out movement and for the insertion / transfer of the sorting piece onto / to the input device to be supported accordingly by a suitable drive of the conveyor belt during the pushing-in movement.
- Sorting piece from the carriage on / to the input device is the backward insertion movement of the carriage.
- This backward insertion movement is relatively equalized for the sorting piece if a drive element for the conveyor belt of the slide is coupled to the movement of the slide, with a free-wheel being provided for the extension movement and for the extension movement.
- the speed of the conveyor belt is at least largely adjusted in terms of amount to the speed of the insertion movement, but has an opposite sign.
- telescope unit which comprises at least one system of two pairs of rollers coupled via a closed belt, which has the following properties: a) the relative position of the two rollers within one Pair of roles to each other is fixed; b) one pair of rollers is arranged in a fixed position and the other pair of rollers is fastened to the slide which performs the extension and insertion movement; c) each pair of rollers includes at least one roller equipped with a freewheel, so that cl) when the slide extends, the tape rolls only over the rollers of the stationary roller pair, and c2) when the slide is inserted, the tape only rolls over the rollers attached to the slide.
- both the conveyor line at least in the rest position of the slide of the telescopic unit and the slide, can comprise strip-shaped, spaced-apart conveyor belts, the strip-shaped conveyor belts of the conveyor line and the telescopic pull-out are arranged alternately. In this way, a kind of transfer zone is created, which is (final) part of the conveyor line and the carriage.
- the level of the strip-shaped belts of the carriage which serves as a support for the sorting item, can be arranged slightly lower than the level of the strip-shaped bands of the conveyor line in which the Sorting piece is promoted. Only when the slide is ejected and the sorting piece is transported further beyond the end of the conveyor line does the slide take over
- Sorting piece sliding This transfer can be significantly supported by the fact that the band or bands of the slide have an adhesive surface. Additionally or alternatively, the sorting pieces can also be held on the slide in a suitable manner, although not strictly speaking. For this purpose, the sorting pieces can be brought into engagement with a roller-mounted spring element until the predetermined conveying location is reached, which spring element (lightly) presses the sorting piece onto the belt or strips.
- a further feature that supports the transfer from the conveyor line to the slide can be achieved if the slide of the telescopic unit is set such that the slide, when the sorting piece is transferred from the conveyor line to the slide, at least approximately transported the speed of the conveyor line Sorting piece.
- a solution that is very different from the above-described solutions to the task provides for an embodiment of the feed unit with a disk-like, rotating, non-rotationally symmetrical conveying element which, with its regions remote from the axis, engages the sorting pieces that have reached the specified conveying location and in this way does Feeds to the input device until the areas near the axis lose their grip on the sorting piece. In this way, the sorting pieces are pulled along by the conveying element as long as the areas remote from the axis engage the sorting piece, so that a defined feed can also be achieved in this way.
- a height adjustment can be provided for the conveying element, so that, as a result, sorting pieces of different thicknesses nevertheless remain in engagement with the conveying element for the same length.
- a swash plate can be provided in the same way, which due to its imbalance also only engages with the sorting piece for a certain period of time per revolution and thus ensures a defined advance of the sorting piece.
- Figure 1 is a schematic representation of a top view of a first positioning device with a downstream input device
- Figure 2 is a schematic representation of a side view of the first positioning device
- Figure 3 is a schematic representation of a top view of a second positioning device with a subordinate
- Figure 4 is a schematic representation of a side view of the second positioning device
- Figure 5 is a schematic representation of a top view of a third positioning device
- Figure 6 is a schematic representation of a side view of the third positioning device
- FIG. 7 shows a schematic representation of a side view of a telescope unit which is just in the extended state.
- FIG. 8 shows a schematic representation of a side view of the telescopic unit according to FIG. 7 which is in the retracted state.
- FIG. 1 shows a schematic representation of a top view of a first positioning device 2 with which flat sorting pieces 6 located in a horizontal stack 4 are shown an input device 8 shown in sections can be transferred in a precise position.
- the positionally accurate transfer is so extremely important because the sorting pieces 6 are then rotated from the horizontal to the vertical position in the part of the input device 8 shown here and are then shot into the pockets of a sorting conveyor (also not shown here) with a bullet device not shown here , Because the above-mentioned process steps for sorting the sorting pieces 6 take place at a comparatively high sorting speed, it therefore makes sense that the sorting pieces 6 must be able to be handled very precisely at all times.
- FIGS. 1 and 2 The method of operation of the first positioning device 2 will now be described with reference to FIGS. 1 and 2, whereby this method of operation also applies in principle to a second positioning device 10 shown in FIGS. 3 and 4 and a third positioning device 12 described in more detail in FIGS. 5 and 6.
- the flat sorting pieces 6 are advertising brochures folded in the A4 format, in which one or more loose insert sheets are inserted.
- the prospectuses are not stapled, but only nested as a loose-leaf collection. It is easy to see that such sorting pieces 6 are extremely difficult to handle because, with the exception of the folded edge, which is referred to below as the preferred edge 14, they otherwise do not provide any points of attack for a positionally accurate automated transport.
- sorting pieces 6 are now placed in the stack 4 on a separating drum 16 on a shelf 18.
- the separation stream is part of one
- Trigger unit 15 which is offset within the dashed lines in FIG. 2 for a better understanding is shown.
- the bottom-most sorting piece 6a is then actively sucked in from below by means of suction cups 20, which are arranged on the rotating singling drum 16, and is thus initially deflected downward from the stack 4.
- the suctioned sorting piece 6a is pressed on its preferred edge 14 by means of a lever 22 onto a counter bearing 24 arranged on the singling drum 16, so that the sucked sorting piece 6a which is clamped in with the lever 22 now follows the circular movement of the singling drum 16.
- the telescope unit 30 is described in detail below with reference to FIGS. 7 and 8. At this point, it should only be said for the sake of explanation that a movable carriage 32 of the telescopic unit 30 extends at the speed of the strip-shaped belts 28 'of the conveyor section 26 last arranged in the conveyor section 26, i.e. thus an extension movement takes place when the preferred edge 14 of the sorting piece 6a reaches a light barrier 34.
- the carriage 32 which also has strip-shaped conveyor belt systems 38, travels a defined feed distance and travels when entering, i.e. upon completion of the backward insertion movement, the sorting piece 6a on a conveyor belt 36
- Input device 8 from where it is then transported in the direction perpendicular to the previous conveying direction in the input device 8 and rotated into the vertical.
- a rolling element 42 is additionally provided, which always presses onto the conveyor belt 36 when the sorting piece 6a has just been put down, which contributes to further maintaining the exact storage location for the sorting piece 6a.
- the sorting piece 6a In order to be able to place the sorting piece 6a on the conveyor belt 6 in a precise position, that is to say in detail that the preferred edge 14 always comes to rest at the same point, it is provided during the insertion movement that the backward movement of the carriage 32 is caused by a rolling of the Conveyor belt systems 38 are leveled by means of the front edge 40 which is close to the preferred edge 14.
- the second positioning device which is only slightly modified compared to the first positioning device 2, can be clearly seen from FIGS. 3 and 4 that in principle only the course of the conveying path 26 has changed.
- the available height is used and the sorting pieces 6a separated with the singling drum 16 are first brought up to the telescopic unit 30 vertically, then horizontally and finally obliquely downwards.
- a light barrier which is not shown here, is provided, the reaching of which from a sorting piece 6a leads to the slide 32 being pushed out.
- a pneumatic unit 44 is now also shown with a plunger 46 driven by it, which is coupled to the slide 32.
- the pneumatic unit 44 could also be replaced by an electric motor drive for the plunger 46, which could also allow less noisy operation under suitable circumstances.
- the telescopic unit 30 is also shown in the extended position in the second positioning device 10.
- the third positioning device 12 which has been slightly modified compared to the first and second positioning devices 2 and 10, clearly shows, according to FIGS. 5 and 6, that the sorting piece 6a is transferred here to the slide 32 of the telescopic unit 30 in a perpendicularly falling direction.
- this embodiment variant makes it possible to simplify the input device 8 in such a way that the conveying section for rotating the sorting pieces 6a has become obsolete from the horizontal to the vertical position. In principle, nothing changes in the guidance and in the achievement of the advance by the extension movement of the slide 32 in this variant as compared to the previous two variants.
- FIGS. 7 and 8 show a particularly preferred embodiment variant for the telescope unit 30 in a schematic illustration.
- the telescopic unit 30 comprises a plurality of conveyor belt systems 38, each of which represents a conveyor belt strip. The mode of operation is explained below using one of these conveyor belt systems 38.
- Each conveyor belt system 38 has two pairs of rollers 48, 50 which are coupled by a closed belt 38 'and each comprise two rollers 48a and 48b or 50a and 50b.
- the relative position of the two rollers 48a and 48b or 50a and 50b within a pair of rollers 48, 50 is fixed to one another.
- the pair of rollers 48 is fixed in place on the telescopic unit 30 and the other pair of rollers 50 is attached to the carriage 32, which is the extension movement in the direction of an arrow 52 and the insertion movement in the direction of an arrow 54.
- the rollers 48b and 50b each have a freewheel, the roller 48b being locked in the counterclockwise direction and the roller 50b in the clockwise direction.
- the band 38 ' only rolls over the rollers 48a and 48b of the stationary pair of rollers 48, both rollers 48a and 48b rolling in a clockwise direction.
- the sorting piece 6a once it has reached the light barrier 34, no longer changes its position relative to the roller 50a during the extension movement, which is highly intended.
- this constellation in which the band 38 'rolls only over the rollers 50a and 50b attached to the carriage 32, the roller 50a running in the clockwise direction and the roller 50b in the counterclockwise direction.
- the sorting piece 6a does not “feel” the insertion movement at all, but retains its end position achieved with the extension movement as desired
- Preferred edge 14 of the sorting piece 6a thus always comes to lie exactly at the desired location on the input device 8.
- a spring plate 58 supported with rollers 56 is provided, which presses the sorting piece 6a lightly against the adhesive conveyor belt 38 'during the push-out movement and rolls it back over the sorting piece 6a - without friction with the sorting piece 6a - during the push-in movement.
- Conveyor belt 38 ' is arranged a little below the conveyor belt 28', which can still be regarded as belonging to the conveyor section 26, so that even when the carriage 32 is moving in, a new sorting piece 6a can be brought up to the light barrier 34 above.
- This area can therefore be regarded as a type of transfer zone for the transition from the conveyor line 26 to the telescope unit 30.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003246418A AU2003246418A1 (en) | 2002-08-30 | 2003-06-12 | Device for transferring in a precise position flat objects to be sorted towards the input device of a sorting conveyor |
EP03790775A EP1531948B1 (de) | 2002-08-30 | 2003-06-12 | Vorrichtung zum positionsgenauen zuführen von flachen sortierstücken zu einer eingabevorrichtung für einen sortierförderer |
CN03820342.1A CN1678411B (zh) | 2002-08-30 | 2003-06-12 | 用于将扁平拣选物件位置准确地运输至拣选运输机用的一个输入机构的装置 |
DE50310478T DE50310478D1 (de) | 2002-08-30 | 2003-06-12 | Vorrichtung zum positionsgenauen zuführen von flachen sortierstücken zu einer eingabevorrichtung für einen sortierförderer |
US11/059,669 US20050146088A1 (en) | 2002-08-30 | 2005-02-17 | Device for precision feeding of flat sortation items to an input device for a sorting conveyor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02019419.7 | 2002-08-30 | ||
EP02019419A EP1393822A1 (de) | 2002-08-30 | 2002-08-30 | Vorrichtung zum positionsgenauen Zuführen von flachen Sortierstücken zu einer Eingabevorrichtung für einen Sortierförderer |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/059,669 Continuation US20050146088A1 (en) | 2002-08-30 | 2005-02-17 | Device for precision feeding of flat sortation items to an input device for a sorting conveyor |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004020114A1 true WO2004020114A1 (de) | 2004-03-11 |
Family
ID=31197865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/006179 WO2004020114A1 (de) | 2002-08-30 | 2003-06-12 | Vorrichtung zum positionsgenauen zuführen von flachen sortierstücken zu einer eingabevorrichtung für einen sortierförderer |
Country Status (5)
Country | Link |
---|---|
EP (2) | EP1393822A1 (de) |
CN (1) | CN1678411B (de) |
AU (1) | AU2003246418A1 (de) |
DE (1) | DE50310478D1 (de) |
WO (1) | WO2004020114A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0695586A2 (de) * | 1994-08-02 | 1996-02-07 | Grapha-Holding Ag | Vorrichtung zum Beschicken der Behälter eines Verteilerförderers |
WO1997020762A1 (de) * | 1995-12-02 | 1997-06-12 | Siemens Aktiengesellschaft | Verfahren zum zuführen von flachen sendungen zur saugvereinzelung einer stoffeingabe |
US5860504A (en) * | 1994-11-16 | 1999-01-19 | Lockheed Martin Corporation | Transfer buffer and inserter and method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE215850T1 (de) * | 1996-09-09 | 2002-04-15 | Siemens Ag | Verfahren und einrichtung zum steuern einer vorrichtung zum verteilen von sortiergutstücken auf physikalische zielstellen |
ATE214646T1 (de) * | 1997-09-01 | 2002-04-15 | Siemens Ag | Einrichtung zum sortieren bzw. zum selektiven sammeln von mittels einem förderer einzeln zugeführten flachen produkten |
FR2796318B1 (fr) * | 1999-07-15 | 2001-09-07 | Mannesmann Dematic Postal Automation Sa | Dispositif a plusieurs convoyeurs a godets superposes pour le tri d'objets plats |
-
2002
- 2002-08-30 EP EP02019419A patent/EP1393822A1/de not_active Withdrawn
-
2003
- 2003-06-12 AU AU2003246418A patent/AU2003246418A1/en not_active Abandoned
- 2003-06-12 DE DE50310478T patent/DE50310478D1/de not_active Expired - Lifetime
- 2003-06-12 CN CN03820342.1A patent/CN1678411B/zh not_active Expired - Fee Related
- 2003-06-12 EP EP03790775A patent/EP1531948B1/de not_active Expired - Fee Related
- 2003-06-12 WO PCT/EP2003/006179 patent/WO2004020114A1/de active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0695586A2 (de) * | 1994-08-02 | 1996-02-07 | Grapha-Holding Ag | Vorrichtung zum Beschicken der Behälter eines Verteilerförderers |
US5860504A (en) * | 1994-11-16 | 1999-01-19 | Lockheed Martin Corporation | Transfer buffer and inserter and method |
WO1997020762A1 (de) * | 1995-12-02 | 1997-06-12 | Siemens Aktiengesellschaft | Verfahren zum zuführen von flachen sendungen zur saugvereinzelung einer stoffeingabe |
Also Published As
Publication number | Publication date |
---|---|
EP1531948B1 (de) | 2008-09-10 |
EP1393822A1 (de) | 2004-03-03 |
CN1678411A (zh) | 2005-10-05 |
EP1531948A1 (de) | 2005-05-25 |
AU2003246418A1 (en) | 2004-03-19 |
CN1678411B (zh) | 2010-06-16 |
DE50310478D1 (de) | 2008-10-23 |
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