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
  • B65H2404/00—Parts for transporting or guiding the handled material
  • B65H2404/60—Other elements in face contact with handled material
  • B65H2404/65—Other elements in face contact with handled material rotating around an axis parallel to face of material and perpendicular to transport direction, e.g. star wheel
• • 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
  • B65H2511/21—Angle
  • B65H2511/212—Rotary position
• • 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
  • B65H2511/50—Occurence
  • B65H2511/51—Presence
• • 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
  • B65H2701/13—Parts concerned of the handled material
  • B65H2701/131—Edges
  • B65H2701/1311—Edges leading 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
  • 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 stacking device and a stacking method which stack articles in a stacking compartment.
• another article to be stacked slides over an already formed stack and contacts that stack as it slides.
• US 5,960,963 describes an apparatus and method for sorting flat mail items.
• the apparatus has a plurality of sorting outputs ("bins 22") and each generates a stack of upright mailpieces in each sorting exit 22.
• a mailpiece (“mail piece 100") is moved out of a main transport path 42 by means of a pivotable diverter gate (“gate 44") discharged and deflected in a Sor ⁇ animal output 22.
• the mail piece 100 slides up right standing in a transport direction parallel to its Ge ⁇ genstands plane at a "lead-in entry guide plate 46" with a submitkrümmten end 48 along.
• the curved end 48 is - seen in the transport direction - behind.
• the postal item 100 is clamped by two rollers 56, 58 and transported along the plate 46 by the driven roller 56.
• the other roller 58 is seated on a pivoting lever member ("pivoting arm member 60"), see Fig. 3 of US 5,960,963,
• the lever 60 with the roller 58 can be against the force of a spring from the roller 56 and thus of Pushing away the plate 46th the mail item 100 that slides along the plate 46 strikes obliquely on a stack, which is be ⁇ already formed in the sorting outlet 22nd the Gegenstands- levels of the objects of this stack are parallel zueinan ⁇ of and parallel to the Level of a "paddle 34", so a stack support.
• This stack support 34 is displaced by the growing stack against the force of a spring in a direction perpendicular to the object planes.
• the transport of the additionally stacked postal item 100 ends at the latest at a registration wall 28 at which the leading edges of the upstanding mailpieces are aligned
• the plate 46 has the curved front portion 48, an intermediate portion 50, obliquely on the stack support 34 and a flat rear part which extends parallel to the stack support 34 and terminates in a trailing edge ("second end 52") near the stop element 28. An angle occurs between the middle and the rear part.
• Order 70 with conveyor belts 72, 74 arranged one above the other transports the mailpieces between this rear part of the plate 46 and the already formed stack to the stop element 28.
• the two conveyor belts 72, 74 are guided around a roller 76.
• This roller 76 has two eccentric arranged discs ("eccentric wheels 78, 80"), cf. 4. These disks 78, 80 rotate with the roller 76 and temporarily push a mail piece 100 away from the two conveyor belts 72, 74.
• These two disks 78, 80 also rotate a rear portion of a mailing 100 when in front Area already located between the already formed stack on one side and the conveyor belts 72, 74 and the rear part of the plate 46 on the other side.
• the Postsen ⁇ extension 100 is brought into a position in which its object plane is parallel to the stacking bracket 34, see FIG. Fig. 5, Fig. 6 and Fig. 7.
• a device for stacking sheet-shaped objects is described.
• a stacking part 20 is a stack of upright flat objects, such. B.
• the stack 20 rests on a support member 21.
• the support member 21 is connected to a Bandele ⁇ ment (underfloor conveyor belt) 22 and a support member 24 with a guide rod 23.
• Another item A to be stacked is transported between two conveyor belts 47, 48 to a positive feed mechanism 26.
• a conveyor belt 29 of this forced-feed mechanism 26 transports the object A "until the object A” reaches a position A " Side wall 25 impinges, see. Fig. 2.
• the conveyor belt 29 is guided around two rollers 27, 28.
• the driven roller 27 is seated on the free end of a support lever 33.
• the support lever 33 carries a guide plate 41 and a rotary solenoid 42 with a pressure lever 43 on the rotary solenoid 42, see FIG. Fig. 3.
• the pressure lever 43 is pivotable between an engaging position and a retracted position back and forth.
• the pressure lever 43 presses in the advanced (engaging) position on the rear end of the front object of a stack, see. Fig. 4.
• the pressure lever 43 is withdrawn, see. Fig. 5, so that the positive feed mechanism 26, the other counter ⁇ tant A '' transported to the side wall 25.
• the pressure lever 43 is again brought into the advanced position, cf. 6.
• Fig. The lower edge of the article A '' ge ⁇ characterized reached in the area of influence of a rotating underfloor screw 50 and is captured by the auger 50 and rotated.
• US 2002/0017447 A1 describes a device for producing a stack of upright articles.
• the stack leans against a vertical article brace plate 77 which is connected to an accumulating conveyor 69, cf.
• Two spiral elements (“helical screws 61 and 62") grip the upright objects so that an "upper screw 61” engages above and a “lower screw 62" below the objects 61, 62 push the objects against a lateral boundary wall ("barrier wall 50").
• the generated stack is aligned with this boundary wall 50.
• a sloping "rib structure 66" with an “exit portion 70” pushes an uprightly transported object 20 toward the ground, see Fig. 2.
• On the "mounting block 48" is a “flexible plastic band 41" mounted. This flexible ele- ment 41 produces a "traveling wave” at the leading edge ei ⁇ nes article 20 which is ported to the "pusher plate 46 'to trans ⁇ .
• US Pat. No. 6,481,712 B1 also describes a stacking device with a displacement device.
• This stacking device stacks flat upright mailpieces and transports these mailings between a guide element 140 (lead-in guide plate 140) and a stacking support 16.
• the displacement device comprises a plurality of spring-mounted fingers ("kicker fingers 194a", 194b) .
• FIG. 1 Top view of Fig. 1.
• the stack is leaning against a "follower plate 56" of a “stack follower mechanism 16".
• Another item to be stacked is transported from right to left in FIG. 1, with the item standing upright.
• a curved "chute guideway 26" is formed between two “sheet guide members 23, 24" .
• a driven roller 28 and a roller 30 transport an article 18 through this narrow guideway 26, see Figs 6, wherein the rollers 28, 30 engage through recesses in the "guide members 23, 24.”
• a "decelerating mechanism 14" brakes the object.
• the "de- lerating mechanism 14" comprises a “suction shoe 32" and several “belts 34.”
• the "suction shoe 32" generates a negative pressure which sucks in an article to be stacked.
• compressed air is expelled through openings 20 in a tube 22 and presses on the already formed stack from the side.
• An object to be stacked is delayed by the "decelerating mechanism 14" as the article is transported past the already formed stack, is pushed by the compressed air on the already formed stack 20 and then abuts with the leading edge to a "registration surface", the two comprises slowly rotating rollers 36, which are arranged one above the other on a vertical axis, cf. 2.
• a "tapered or funnel-shaped entrance region 92" is created. See Fig. 1 and Sp. 4 / Z. 8 ff. This prevents a Konstapelnder object ("card”) acts on the already formed stack ("to interfere") and that several successive Desstapelnde objects on ⁇ slide each other ("To slide”).
• the "entrance region 92" is narrowing down to the "registration surface”. This is because ⁇ caused by that the object-plane of the "follower plate 56 'is not arranged parallel to the transport direction of the articles, but rotated slightly about a vertical axis of rotation ⁇ . This is also the stack at a slight angle, see FIG.
• No. 6,634,639 B2 describes a "paper sheet stacking apparatus."
• a flat mail item 80 is grasped by two conveyor belts 81, 82 and transported onto a "side plate 3".
• a Publ ⁇ voltage ( "Window 8") through which a "rotary member 21" acts on a stack ("postal matter stack 90"), see Fig. 3.
• the "rotary member 21” sits on a vertical shaft ("rotating shaft 22 ") and, seen in a direction parallel to the shaft 22, in one embodiment has an elliptical contour, so that two" blades 23a, 23b "are formed.
• the “rotary member 21” may also have the shape of a cross with four "blades 23c, 23d, 23e, 23f", cf.
• the shaft 22 is behind the "guide 5".
• FIG. 3 A vertical and facultystapelnde Post ⁇ ⁇ tion 80 is pushed into the gap between the "support plate 4" and the “guide 5" and slides down the sloping ⁇ inclined “bottom plate 2" from the “guide 5" away and to the "support plate 4."
• the rotating "rotary member 21” touches the mail piece 80 from the side and shifts the mail piece to the "side plate 3.”
• the mail piece 80 is located between the "guide 5" and the “rotary member 21" on one side and an already formed stack and the "support plate 4" on the other side. It is possible that the stack 90 is not densely packed, but gaps between different mail items of the stack 90 occur, see. Fig. 5 (a).
• the rotating "rotary member 21" but pushes the fanned stack 90 against the support plate 4 when the rotary member 21 is in the position of Fig. 5 (b) and presses a "blade 23a, 23b" against the stack 90.
• the stack 90 in turn pushes up the force of gravity against the "support plate 4" and ver ⁇ pushes the "support plate 4" against the force of two springs 14, 15 °.
• US 2004/0164480 A1 describes a non-contact "diverter / stacker insertion system.” It is intended to prevent a single-stacking object ("object 120") from being in contact with the foremost object ("object 110") of the stack see Fig. 3.
• An object to be stacked (“object 100") slides along a "plate 20" with slightly curved ends 30, 30 'and thereby obliquely to a stack (“stack 90"), cf. Fig. 1.
• This guide means 20 has a curved portion 30 and before that a "curved region 45", see Fig. 1. A laminar air flow is generated on the surface of this guide means 20 and flows along the Curved portion 30.
• a slot 50 is inserted in the wall, air flows in the direction of the arrow 50 'from a nozzle ("nozzle 40") to an air inlet ("grill 60"). .
• WEL che the object moves 100 'and the leading edge of Ge ⁇ genstands moved toward the air inlet 60 away from the stack 90 until the leading edge of the moving object on an on ⁇ impact wall ( "mail The invention has for its object to provide a Stapelvorrich ⁇ tion and a stacking process, by which a stack of upright objects is generated and in which the risk is reduced that another Ge ⁇ object is damaged during stacking or in turn damages an already stacked object.
• the solution contemporary stacking device capable of stacking stackable counter ⁇ stands.
• Each object to be stacked extends in each case in an object plane and has a leading edge. This leading edge may be vertical or oblique or curved.
• the stacking device comprises
• the stacker gradually generates a stack of approximately perpendicular objects. One after another, another object is stacked.
• the already existing Testified stack leans against the stack support and is located between the stack support and the guide element.
• the transport device transports a subject to be stacked between the stack support or the already gebil ⁇ Deten stack on one side and the guide element on the other side passed on to the stop element.
• the subject can be taken from the transport device at ⁇ impact member or move a distance between the transport means and the abutment member without experiencing a Einwir ⁇ effect of the transport means during the transport operation of the, the Subject is then due to the inherent kinetic energy continues to move to the stop element.
• the Ge ⁇ subject of slides toward the stop element and this movement then the Ge ⁇ subject of slides toward the stop element.
• the Ge ⁇ genstands-plane of the object to be stacked is perpendicular to the horizontal.
• the leading edge of the article is turned to the on ⁇ impact element back.
• the stopper member stops the further movement of the sta ⁇ pelnden article after the article with the leading edge has impinged on the stop element.
• the distance generating means generates a distance between the guide element and the object to be stacked at the latest when the object to be stacked from ⁇ An impact member has been stopped. By this Abstandserzeu ⁇ supply a space between the stacked object which is now the foremost object of the already formed Sta ⁇ pels, and the guide member is produced. Into this space, another object to be stacked can be inserted.
• the distance generation device comprises a first distance generation element and at least one further distance generation element. It is possible for the distance generation device to have a sequence of at least three subscripts. state generating elements.
• each gap generation element can be transferred to a touch position and a release position.
• the distance generating member touches an already educated ⁇ th stack leaning against the stack support.
• the distance-generation element specifies the transport of another to be stacked object to the Anschlagele ⁇ ment for free.
• this distance Erzeu ⁇ confining element ensures that there is a distance between the guide member and a pile already formed.
• the already formed stack does not touch the guide element and can not tip over. This is effected by the distance generation means.
• the gap generation elements are all transferred to the release position, a space for stacking another object is formed. This space is maintained for a time sufficient to stack egg NEN another object, without the distance generating means hinders this stacking due to the Träg ⁇ integral of the mass of the stack.
• the clearance generating means moves the article at the latest after being stacked away from the guide member and onto the stack wall.
• a distance between the stacked object and the guide element he testifies ⁇ .
• this space is so large that an additional object to be stacked can be transported in this space.
• the distance-generation device according to the invention with a plurality of mutually spaced-apart distance-generating elements has the advantage over a single distance generation element, which holds an already formed stack only at one point, that a plurality of spaced apart distance generation elements. Elements able to support the already formed stack better than just a single point-shaped element.
• a stack of articles of low bending stiffness collapses despite a distance-generating device.
• a larger plate is to move in the solution according to distance-generating device with a plurality of distance-generating elements less mass.
• the process that the gap forming device makes the space between the article and the guide member is already started while the article is still being transported to the stopper member.
• the leading edge of an item to be stacked slides over the guide member as the item is transported toward the stop member. While the front edge of the object still slides over the guide member is a - as seen in the transport direction ⁇ - rear section of the article already moved away from the guide element. This design saves time.
• the process of making this space is triggered by the process that the stop member stops the further movement of the object. The object is then currently the foremost object of the already ⁇ formed stack. This embodiment leads to a simple synchronization.
• the first Ab ⁇ state generating element from the contact position in the Release position and then every other distance generation element. Thereafter, the at least two clearance generating elements located in the release position release a space for stacking an object.
• This embodiment has in comparison to a simultaneous transfer to the release position in particular the advantage that the stack already formed as long as possible is still held by at least ei ⁇ nem further distance generating element, without that the first distance generating Element prevents stacking.
• the distance-generating device has at least one rotation element in one embodiment. This at least one rotation element is rotated about a vertical axis. During a rotation the vertical axis changes
• the rotation element has the shape of an ellipse or even a bent hook or L. This rotation causes the rotation element from the touch position to the release position and vice versa from the release position is transferred to the touch position.
• the distance Erzeu ⁇ confining element is a rotational element:
• An element which establishes the distance by means of rotation typically consumes less power than z.
• a linearly operating element such as a pestle
• the rotating member rotates in the transfer of the loading ⁇ stir-position to the release position so that said rotating element pushes the still wetted forwardmost article of the stack loading already formed on the stop element to ver ⁇ and not pulls away from the stop element.
• the stack is not damaged by the rotating rotating element .
• at least one distance-generating element operates without contact, z. B. with a Ge ⁇ blower and by means of compressed air.
• the distance generating input device includes an under-floor conveyor belt which is driven by a stepping motor and this ⁇ stack support is moved away as a ⁇ be already stack of the guide element formed. This movement creates the space into which the other object is stacked. This design saves the need for the growing stack to displace the stack support against the force of a spring. Because then also the distance generating device would have to work against the force of this spring.
• the stop element he ⁇ reaches.
• the item slides along the guide in this embodiment ⁇ element, wherein the guide member has a surface, which is due to the construction of the stacking device is known and can be made very smooth, and not along an already formed stack with unknown properties.
• the stack already formed in each case is not required.
• each article is so transported to the stop element or moves to the stop element, that between the article and an already formed stack, a distance occurs and the leading edge of the object ⁇ slides on the guide member along.
• This makes it possible, along the last part of the transport path over which the object slides to the stop element, to provide any conveyor or only selective conveying elements.
• This makes it possible to slide the object along a smooth wall, so that only little friction and little frictional heat between the object and the guide element occurs.
• no För ⁇ derelement needs to be provided for an object to be stacked in the vicinity of the stop element. The object moves due to the kinetic energy further to the stop element to, the article kinetic energy Ener ⁇ has previously received from the transport device this.
• the guide element comprises at least one curved section.
• the leading edge of a stack ⁇ the article slides at each bent portion along and is thereby rotated continuously, which leads to a clotting ⁇ Geren mechanical load of the object as another embodiment of the guide member.
• the foundedsele ⁇ ment can also have at least one inclined portion. Possible is a combination of an oblique section and a curved section.
• the leading edge of the article to be stacked meet at an acute angle to the Actuallysele ⁇ ment.
• the object is deflected to the stack support.
• the BEWE ⁇ supply direction of the upright carried article facing away from the stack support Before striking the BEWE ⁇ supply direction of the upright carried article facing away from the stack support.
• the embodiment with the guide element to which the leading edge of an object is incident and which deflects the pre derkante ⁇ can also be without a spacer realized generating means. Also in this embodiment processing an object slides on the guide member along and is again deflected before the article strikes the impact element at ⁇ .
• This embodiment requires no moving elements to rotate the object to be stacked about a vertical axis, and in particular no spiralför ⁇ miges transport element for rotating.
• the object planes of the stacked objects is preferably standing approximately perpendicular to the horizontal, and the force of gravity can be the stacked articles at ih ⁇ ren lower edges align.
• the transport device preferably transports an article to the stop element in such a way that the transport direction of this transport is perpendicular to the horizontal.
• This embodiment causes a particularly good alignment of the objects in the stack, namely because of the
• 1 is a schematic view of a sorting system with a plurality of solution ⁇ proper stacking fans in plan view,
• At least one inventive stacking device is used as part of a sorting system for flat mail items.
• This sorting plant comprises several sorting outputs in the form of stacking compartments.
• At least one stacker tray, each stacking tray preferably used to ⁇ summarizes respective according to the solution Sta ⁇ pelVorraum in the embodiment.
• Each mail item is each a postal shipping ⁇ hen to which this mail extension is to be transported.
• the sorting system carries out the following steps for all mailpieces:
• the sorting system determines the respective delivery address, wherein an identification of the postal address on the postal ⁇ broadcast is deciphered.
• the sorting system selects a sorting compartment for this mail ⁇ tion.
• the sorting plant uses a computer ⁇ available sorting plan that assigns each delivery address a bin.
• the sorting transports the mail item to be selected ⁇ bin and sorts the mail in this sort tray.
• the sorting system performs at least one sorting pass. In each sort run to be sorted each fla ⁇ chen mailpieces of a supply device ( "feeder") of the sorting are fed. A singler ( "singulator") pro- Jerusalems a series of spaced-apart items of mail, which is preferably standing upright by the Sortieranla ⁇ transported through it. In this case, the mail items pass through a main transport path. An output transport path branches off from this main transport path for each sorting bin. A switch diverts each mail item to be sorted into the output transport path to the selected bin. In the main transport path and in the jewei ⁇ then output transport path, the mail items are transported standing upright. The sorting system discharges each postal item upright into the selected sorting bin. As a result, a stack of upright mail items is formed in each sorting bin.
• This sorting system SAnl comprises
• an image evaluation unit Bae which deciphers the delivery address shown in a computer-evaluable image generated by the camera Ka
• the selection unit AE selects depending on the deciphered delivery address and the currently activated stored storage address. Tierplan for each mail item in each case a sorting output Sf.l, ... from.
• the outfeed device Aus empties each mail item in the respectively selected sorting tray Sf.l, ... from.
• the sorting system has a transport device in the form of a shroud system ( "pinch belt system”).
• This shroud ⁇ system consists of a series of endless conveyor belts which are guided around in each case three rolls around at least two rollers, preferably, and conveyor rollers which are mounted about a respective vertical axis or shaft, depending ⁇ de role. sits on a vertical shaft.
• a Rol ⁇ le per endless conveyor belt is driven ( “driven roller"), the remaining rollers are rollers ( “idler rollers”
• Each mail item is sandwiched between at least two endless conveyor belts and / or one endless conveyor belt and at least one conveyor roller as the mail item is transported along the main transport path and the output transport path.
• the two endless conveyor belts and possibly the conveyor rollers rotate at the same speed and thereby transport upright mailpieces.
• FIG. 2 shows schematically this stacking tray Sf in a plan view with an already formed stack ge ⁇ St and with a further juxtaposstapelnden mailpiece Ps.
• This stacking tray Sf comprises:
• a stack support Pa in the form of a paddle extending in a vertical stack supports-plane which is perpendicular to the plane ⁇ right of Figure 2.
• a stepping motor for the stacking support Pa in one embodiment, a stepping motor for the stacking support Pa,
• a vertical compartment wall FW a guide element in the form of a vertical deflection wall UW,
• a distance-generating means having a plurality of distance-generating elements, said three distance-generating elements than three Rotationsele ⁇ elements Rot.l, Rot.2, Rot.3 are embodied in the exemplary embodiment, the wells depending on ⁇ a vertical shaft Wl, W.2, W.3 are mounted,
• the article planes of the mailpieces of the stack St and the article plane of the mailpieces Ps to be stacked are perpendicular to the planes of the drawing of FIGS. 2 to 5.
• the waves Wl, W.2, W.3, the plane of the compartment wall FW , the plane of the stack support Pa and the plane of the deflection wall UW so ⁇ as the longitudinal direction of the stop element Ans are perpendicular right on the drawing levels of Fig. 2 to Fig. 5.
• the rotation elements Rot.l, Rot.2, Rot.3 leave rotate in a clockwise direction in the drawing planes of FIGS. 2 to 5.
• each rotation element Rot.l, Red.2, Red.3 move from a touch position to a release position and vice versa, independent of the other rotation elements.
• all three rotation elements Rot.l, Rot.2, Rot.3 are in the contact position and touch a stack St leaning against the stack support Pa.
• the distance between the object levels of the mail St of the stack St indicated by lines and the rotation elements Rot.l, Rot.2, Rot.3 is shown exaggeratedly large.
• the under-floor conveyor belt U-Fb can mailpieces in the stacking direction SR, in which the stack grows St, porting to trans ⁇ .
• the stack support Pa can be displaced linearly in drawing planes of FIGS. 2 to 5 in the stacking direction SR.
• the under-floor conveyor belt U-Fb and the stack support Pa are mechanically coupled ge ⁇ each other.
• the under-floor conveyor belt U-Fb move the stack support ⁇ Pa and the stack St in the stacking direction SR, and each time when a further mail item was prisesta- pelt.
• the control unit SE receives signals from the receiver Em of the light barrier LS. Depending on these signals, the control unit SE controls the drives An.l, An.2, An.3 of the rotation elements Rot.l, Rot.2, Rot.3 and the drive An.U of the
• Underfloor conveyor belts U-Fb The transport speed at which the transport device TE transports a mail piece Ps to the stacking tray Sf is measured or known.
• the control unit SE also processes this transport speed in order to control the rotation elements Rot.l, Rot.2, Rot.3 independently of each other.
• the stack support Pa, the compartment wall FW and the deflection wall UW form a U
• the stack support Pa and the deflection wall UW are the two legs of this U.
• the compartment wall FW connects these two legs and is perpendicular to the level of the stack support Pa.
• Seen from above the baffle UW is ge ⁇ curved or bent, on the stack support to Pa.
• the stacking tray tapers seen in the direction TR on the compartment wall FW and the stop element Ans to.
• the stop element Ans is integrated into the compartment wall FW or stands in front of the compartment wall FW or projects out of the compartment wall FW.
• the second disclosed embodiment, with the stop element Ans before the compartment wall FW result that a distance is created between the wax ⁇ send stack St and the compartment wall FW.
• the stop element Ans has a damping element, which is applied on that surface on which the leading edges of mailpieces impinge, and which slows down the movement of an impinging article all ⁇ gradual and not abruptly.
• this damping element has the form of a rubber layer.
• the deflection wall UW has at least one oblique deflection section.
• the or each oblique deflecting section Ab.l, Ab .2 extends in each case in a vertical plane. There is an acute angle between this vertical plane and the stacking post plane.
• the deflection wall UW has a sequence with a plurality of oblique deflection sections. The acute angle of an oblique deflection section is greater than the acute angle of the previous deflection section.
• the deflection wall UW has two oblique sections Ab.l and Ab.2. in the example of Fig. 2 to Fig. 5 occurs between the portion of the deflection wall UW, which is arranged parallel to the stack support PA, and the first oblique section AB .1 a larger angle, between the two curved sections AB .1 and AB. 2 a smaller angle.
• the second oblique section Ab .2 and the transport direction TR thus include an acute angle which is greater than the acute angle between the first oblique section Ab.l and the transport direction TR.
• the deflection wall UW has a curved section which, viewed from above, has the contour of a segment of a circle or an ellipse or a parabola or the like. This curved deflecting section is curved toward the stack support Pa.
• Fig. 6 shows a different configuration of the deflection wall UW.
• the deflection wall UW has a curved section Krü, which extends between a straight section Ger and the stop element Ans and has the shape of a Parabelab ⁇ section. Characterized the leading edge of a Vk a ⁇ zustapelnden mailpiece Ps is continuously deflected, while the leading edge slides over the curved portion Vk Krü.
• the deflection wall UW is designed as a continuous wall, in which recesses for the rotation ⁇ elements Rot.l, Rot.2, Rot.3 are embedded.
• the deflection wall UW comprises at least one, preferably a plurality of horizontal and a plurality of vertical Stä ⁇ be.
• the horizontal bars are curved or kinked. The bars together form a grid. Between the horizontal and the vertical bars arise rectangular recesses that provide space for the rotation elements Rot.l, Rot.2, Rot.3, so that the rotation elements through the grid-shaped deflection wall UW through can touch mailings laterally.
• the mailpieces for this stacking tray Sf are transported one after the other into the stacking tray Sf. It is possible that several mail items are partially overlapping transported in this stack ⁇ fold Sf and stacked there, as it is z. B. from DE 19749610 Cl and US 6,179,284 ago.
• Each mail item Ps is transported upright in a transport ⁇ direction TR, which is horizontal and approximately in theelles ⁇ stands level of the mail item transported.
• the pre ⁇ derkante Vk the mail item Ps is here to Anschlagele- ment Ans and the compartment wall FW, cf. Fig. 2.
• the leading edge Vk of the mailpiece (Ps) on the environmental directing wall UW is transported between the stack support St and the deflecting wall UW until the mail item Ps hits the stop element Ans. If a stack St is already leaning against the stack support Pa, then the item of mail Ps is transported between this stack St and the deflection wall UW. The mailing is stopped by the impact.
• the stopped mail item Ps is moved away from the deflection wall UW by the distance generation device Rot.l, Rot.2, Rot.3 and onto the stack support Pa and / or rotated and in an embodiment the stack support St and possibly against an already formed stack St leaning against the stack support Pa, pressed. Thereby, the already formed stack ge ⁇ St is added to this item of mail Ps.
• a gap is formed between the pushed-away postal item and the deflecting wall UW, into which the next item of mail that is to be stacked in this stacking compartment is transported - but only after the rotation elements Rot.l,
• each mail item between two conveying elements of a transport device TE, z. B. between the endless conveyor belt Fb .1 and the conveyor rollers FR.l, FR.2, FR.3 clamped, and the mail item Ps is of the ⁇ sen conveyor elements Fb.l, FR.l, FR.2, FR. 3 along the output transport path to the stacking tray Sf and there transported to the An ⁇ impact element Ans.
• this transport device TE ends this transport device TE in front of the stacking tray St and thus also before the stop element Ans, so that between the End of the endless conveyor belt Fb .1 and the stop element Ans occurs a distance.
• this is from ⁇ was greater than the greatest extent of a qualitativestapelnden mail item in the object plane and thus also the greatest extent in the transporting direction TR.
• the mail item Ps slides along the deflection wall UW due to the inertia of the mass until the mail item Ps hits the stop element Ans.
• This configuration makes it easier then move the post ⁇ broadcast Ps to the stack support to Pa without a conveyor element affected by this move.
• the stack St formed thus far rejects the stack support Pa with upright mailpieces.
• this stack St grows in a stacking direction SR.
• This stacking direction SR is perpendicular to the object levels of the stacked flat postal fertilizer and parallel to the stop element Ans and lies in the plane of Fig. 2 to Fig. 6.
• the growing stack St moves in one embodiment, the stack support Pa away from the baffle UW and parallel to the stop element Ans.
• the guide device FE in this case leads the stacking support Ps.
• the growing stack St shifts the stack support Pa against the force of a restoring spring.
• the stack support Pa is gradually moved away from each by a stepping motor An.U a specified differently bene distance from the baffle UW.
• Each step is carried out when a new mail item is to be stacked ⁇ or is already stacked.
• the distance by which the stack support Pa is moved in one step may be fixed, e.g. Example, as a standard thickness of a mailpiece, or equal to the actual thickness of another redesignstapelnden mailpiece. This actual thickness of the Mail has been previously measured and may vary from mail to mail. To this thickness, the stack St grows by stacking the other mailing. This configuration with the stepper motor An.U causes the distance between the respective front mail item and the deflection wall US to remain constant.
• each mail item is so transported Ps ⁇ advantage that during transportation of the item of mail Ps to arrival Ans impact element is always a distance between the mailpiece and the stack already formed St occurs.
• the mail item Ps is ported in such a way to the stacking tray Sf trans ⁇ that the object-plane of the mail item Ps is pa ⁇ rallel to the stacking supports level or even the object plane and the stack supports plane form an acute angle between them in such a way the mail item Ps is transported away from the stack support Pa and obliquely onto the deflection wall UW.
• the front edge of the mail item Ps strikes the deflection wall UW.
• the deflection wall UW is as described above kinked and / or curved.
• the baffle UW steers the front edge ⁇ Vk of the mailpiece Ps, which slides on the baffle UW along to and thereby on the stack support Pa, but without the mail item Ps touches a stack St already formed.
• the mail item Ps is worded TE in the embodiment no longer För ⁇ deriatan the transport device and transports.
• the distance generating means starts the shifting at the earliest when the item of mail Ps is no longer taken by conveying elements Fb.l, FR.l, FR.2, FR.3 of the transport device TE, and at the latest when Leading edge Vk of the mail item Ps the stop element Ans he ⁇ has reached, or a predefined period of time after He ⁇ eventis of reaching.
• the displacement is performed so that the mail item Ps touches an already formed stack St only after the leading edge Vk of the mail item Ps has hit the stop element Ans.
• the deflection wall UW has a smooth surface, so we ⁇ nig friction between the deflection wall UW and a mail item Ps, which slides along the deflection wall UW, occurs and thus the mail item Ps is not stopped by friction before it has reached the stop element Ans ,
• the distance-generating device in the exemplary embodiment comprises a plurality of rotation elements Rot.l, Rot.2, Rot.3, which are each guided around a vertical wave Wl, W.2, W.3.
• These waves W1, W.2, W.3 are located behind the deflection wall UW, ie the deflection wall UW is located between the waves W1, W.2, W.3 and a mail item Ps, which slides along the deflection wall UW.
• Each ro ⁇ tationselement Rot.l, Rot.2, Rot.3 protrudes practices briefly ⁇ playtime be obvious from the baffle UW.
• a mail passage Ps, which slides along the deflection wall UW, also slides along the sequence of rotating rotation elements Rot.l, Rot.2, Rot.3.
• Each rotation element Rot.l, Rot.2, Rot.3 has a lateral surface, which preferably also has a smooth surface.
• Rot.l, Rot.2, Rot.3 a lateral pressure on a stack St on the stack support Pa, but only a small shear ⁇ force on the stop element Ans to, which would confound the stack St if they were larger.
• Each rotation element Rot.l, Rot.2, Rot.3 is assembledstal ⁇ tet and / or mounted on its shaft Wl, W.2, W.3, that the following is effected: The distance to which the lateral surface of the baffle UW stands out - seen in one direction perpendicular to the deflection wall UW - varies in a full rotation of the rotary element Rot.l, Rot.2, Rot.3 and protrudes during a part of this rotation not at all from the deflection wall UW.
• the rotary element Rot.l, Rot.2, Rot.3 is in the release position. If the lateral surface protrudes maximally from the deflection wall UW, then the rotation element is in the contact position.
• the rotary element red. 3 is in the touch position, the other two rotary elements red. 1, red. 2 are in the release position.
• the rotation element Rot.l, Rot.2, Rot.3 is z. B. an ex ⁇ centrally mounted disk or an ellipse or a tiger sons- cam follower.
• Red.3 can also be a finger or a hook with rounded edges.
• At least one recess is embedded in each rotation element Rot.l, Rot.2, Rot.3 in order to save weight for the same shell surface and for the same effect of the rotation element Rot.l, Rot.2, Rot.3. Due to the at least one recess, the mass torque of the rotating Ro ⁇ tationselements Red.l, Rot.2, Red.3 is reduced.
• the rotating rotation element Rot.l, Rot.2, Rot.3 contacts the mail item Ps only when the front edge Vk and a front region of the mail item Ps has passed the rotation element Rot.l, Rot.2, Rot.3.
• the rotation element Rot.l, Rot.2, Rot.3 preferably reaches the mail item Ps only at a rear area.
• the rotating rotation element Rot.l, Rot.2, Rot.3 then reaches the Po ⁇ position in which it protrudes furthest out of the deflection wall UW when the mail item Ps has already reached the stop element Ans and the rotation element Rot.l , Rot.2, Rot.3 is present in a rear region of the mail item on the mail item Ps.
• the process begins that several Ro ⁇ tations institute Rot.l, Rot.2, Rot.3 move the mail item Ps of the deflection wall UW, even before the leading edge of the mail item Ps has reached the stop element Ans.
• the process of shifting is continued until a space arises between the mail item Ps and the deflecting wall UW which is so large that a further mail item can be pushed into this space and up to the stop element Ans, without touching the mailpieces already stacked.
• the move operation is completed after the mail item Ps has already been stopped. After the mail ⁇ tion has been stopped and the room was made, the stoppaged mailpiece forms the foremost object of the stack now formed.
• the rotation elements Rot.l, Rot.2, Rot.3 are stopped after the room has been made. Then the rotation elements Rot.l, Rot.2, Rot.3 support the already formed stack St. This stack is located between the stack support Pa and the rotation elements
• Rot.l, Rot.2, Rot.3 and is held so that each mail item of the stack St is in an approximately vertical position, including the last stacked mail item Ps.
• the Ro tations institute Rot.l, Rot.2, Rot.3 fill the space created and prevent an already stacked Postsen ⁇ dung falls into this space.
• the rotation elements Rot.l, Rot.2, Rot.3 work event-controlled.
• the event that a mail item Ps has reached a point in front of this space on its way to the manufactured space triggers the step that the rotation elements Rot.l, Rot.2, Rot.3 are set in rotation again and thus this Release space for further mail.
• a light barrier LS measures the event that the further mail item Ps has reached this point.
• the stacking of a mail item causes all or at least some rotations Oniata Rot.l, Rot.2, Rot.3 each execute a single Volldre ⁇ hung.
• this light barrier LS - or another light barrier - additionally measures the length, ie the extent of the further mail item in the transport direction TR.
• the rotation elements Rot.l, Rot.2, Rot.3 are controlled so that a mail item in its rear area is touched and moved by rotation elements Rot.l, Rot.2, Rot.3.
• a short mail item preferably only some of the rotary elements are rotated, which have a sufficiently short distance from the stop element Ans.
• the other rotation elements Rot.l, Rot.2, Rot.3 no longer reach the short mail item and therefore are not rotated.
• For a long mailing preferably all the rotation elements are rotated.
• the rotation elements Rot.l, Rot.2, Rot.3 are rotated slower than ei ⁇ ner short mail item, because in a long mailing more time for making the room is available.
• each rotation element Rot.l, Rot.2, Rot.3 can be controlled and rotated independently of each other rotation element. If another mail piece is stacked, these three rotation elements Rot.l, Rot.2, Rot.3 are successively transferred by rotation about the vertical shaft from a touch position to a release position. In the touch position, a rotation element contacts a stack St, in the release position, the rotation element allows the stacking of another mail item. First, the first rotation element - seen in the transport direction
• Rot.l transferred from the touch position to the release position, then the second rotation element red.2 and then the third rotation element red.3.
• the rotation elements Rot.l, Rot.2, Rot.3 are thus transferred one after the other from the respective contact position to the respective release position. This transfer is always carried out as late as possible and as early as necessary so that each rotation element Rot.l, Rot.2, Rot.3 can support the stack as long as possible and nevertheless does not hamper the stacking of another mail item.
• FIG. 2 the item of mail Ps of the transport facility reset is tung TE with the endless conveyor belt Fb .1 and the three conveyor ⁇ roll FR.L, Fr.2 held AU $ 3.
• the mail item Ps is not held by the transporting means TE but slides on due to the inertia of its mass.
• the sequence of Fig. 2 to Fig. 5 illustrates how the three rotation elements Red.l, Rot.2, Rot.3 are successively transferred from the touch position to the release position.
• the three rotation elements hold Rot.l, Rot.2,
• Fig. 3 are two rotation elements Rot.l, Rot.2 wegge ⁇ rotates so that the mail item Ps can slide along the deflection wall UW.
• the inertia of the mass keeps the stack St in the vertical position until the mail item Ps to be stacked reaches the stop element Ans.
• the Ro ⁇ tations institute Rot.l, Rot.2 were therefore already converted to the free ⁇ reproducing position, the rotating member Rot.3 is still in Berlick position and is then also transferred into the release position.
• the UW baffle has a straight portion Ger, whose plane extends paral lel to the transporting direction TR ⁇ the transport device TE, and two curved portions Ab.l, Ab .2.
• a ⁇ a zustapelnde mailpiece Ps slides along this straight section from ⁇ Ger, until the leading edge of the mailpiece Vk Ps is incident on the inclined portion Ab.l or a curved portion.
• 6 shows a different embodiment.
• the transport direction TR of the transport device TE strikes the deflection wall UW obliquely.
• a mail item, which is transported by the transport device TE strikes the straight section Ger at an oblique angle and is deflected onto the stack support Pa.
• the item of mail Ps is still picked up by the transport device TE when the front edge Vk impinges on the deflection wall UW. It is also possible that the mail ⁇ tion Ps at the moment no longer from the transport Means is taken by the front edge Vk impinges on the deflection wall UW.
• a displacement element is used in one embodiment.
• a combination of rotation elements and displacement elements is possible.
• Each sliding element has z. B. the shape of a rod or a plunger.
• Each sliding element can be moved horizontally and thereby almost parallel to the compartment wall FW and perpendicular to the stack support plane back and forth and also withdraw completely into the deflection wall UW.
• the displacement ⁇ element from the release position is transferred to the transfer position and vice versa.
• the process that the leading edge Vk of a mail item impinges on the stop element Ans or reaches a certain point in front of the stop element Ans triggers the process that at least one displacement element protrudes from the deflection wall UW and occurs laterally on the mailpiece.
• the distance-generating device additionally comprises an underfloor conveyor.
• This underfloor conveyor is embedded in the bottom Bo of the stacking tray Sf.
• the underfloor conveyor comprises an underfloor conveyor belt U-Fb, which is guided around two rollers, or at least one gear, which has a plurality of teeth and gaps between these teeth.
• the shafts on which the rollers of the underfloor conveyor belt or the gears are located are located below the floor, are horizontal and are arranged parallel to the stacking support.
• the underfloor conveyor U-Fb engages from below a stacked or congressstapelnde mail piece by means of friction and / or by means of a gap between two teeth and moves the mail item away from the deflection wall UW and on the stack support Pa.
• the underfloor conveyor U-Fb rotates continuously.
• the process that the front edge Vk of the mail item Ps reaches the stop element triggers a movement of the underfloor conveyor U-Fb by a predefined distance, which then stops again, thus operating altogether in start-stop mode.
• the stack support Pa is in one disclosed embodiment, by a stepper motor An.U stepwise by each ⁇ wells moved a distance which is equal to the measured thickness or equal to the predetermined thickness of the standard stacked currently engaged mailpiece.
• the underfloor conveyor U-Fb is also moved stepwise, namely by one route per stacking operation.
• a stepping motor An.U rotates the roller Ro.l, around which the underfloor conveyor belt U-Fb is guided, by a predetermined angle. This distance is preferably also equal to the measured thickness or the predetermined standard thickness.
• the movements of the stack support Pa and the underfloor conveyor U-Fb are synchronized with each other, for example by the stack support Pa is mechanically connected to the underfloor conveyor or the stepper motors of the stack support Pa and the underfloor conveyor U-Fb are controlled synchronized.
• U-Fb underfloor conveyor belt is with the stack support
• UW deflection wall acts as a guide element
• feeder of the sorting system

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Pile Receivers (AREA)

Priority Applications (4)

Applications Claiming Priority (4)

Publications (1)

Family

ID=45372269

Family Applications (1)

Country Status (5)

Cited By (3)

Families Citing this family (3)

Citations (16)

Family Cites Families (1)

• 2011
  • 2011-12-16 EP EP11799092.9A patent/EP2655228B1/de not_active Not-in-force
  • 2011-12-16 DK DK11799092.9T patent/DK2655228T3/da active
  • 2011-12-16 ES ES11799092.9T patent/ES2602636T3/es active Active
  • 2011-12-16 WO PCT/EP2011/073032 patent/WO2012084708A1/de active Application Filing
  • 2011-12-16 CN CN201180068207.7A patent/CN103402899B/zh not_active Expired - Fee Related

Patent Citations (16)

Also Published As

Similar Documents

Legal Events