EP0353623B1 - Vorrichtung zum Ablegen von Bogen an einer Stapelstelle - Google Patents

Vorrichtung zum Ablegen von Bogen an einer Stapelstelle Download PDF

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Publication number
EP0353623B1
EP0353623B1 EP89113828A EP89113828A EP0353623B1 EP 0353623 B1 EP0353623 B1 EP 0353623B1 EP 89113828 A EP89113828 A EP 89113828A EP 89113828 A EP89113828 A EP 89113828A EP 0353623 B1 EP0353623 B1 EP 0353623B1
Authority
EP
European Patent Office
Prior art keywords
conveying
sheet
sheets
braking
stacking location
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.)
Expired - Lifetime
Application number
EP89113828A
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German (de)
English (en)
French (fr)
Other versions
EP0353623A1 (de
Inventor
Hilmar Vits
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.)
Individual
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Individual
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
Application filed by Individual filed Critical Individual
Priority to AT89113828T priority Critical patent/ATE86587T1/de
Publication of EP0353623A1 publication Critical patent/EP0353623A1/de
Application granted granted Critical
Publication of EP0353623B1 publication Critical patent/EP0353623B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/58—Article switches or diverters
    • 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
    • B65H31/24—Pile receivers multiple or compartmented, e.d. for alternate, programmed, or selective filling

Definitions

  • the invention relates to a device for depositing sheets at a stacking point provided with a stop for the leading edge of the sheet according to the preamble of claim 1.
  • the braking element when depositing sheets is part of the overlap station, the deflection of which push the sheet ends down from the conveying plane, so that the beginning of the next following sheet located in the conveying plane can be pushed over the end of a sheet deflected from the conveying plane.
  • a device for depositing sheets at a stacking point provided with a stop for the sheet leading edge according to the preamble of claim 1 is known from EP-A-0 056 924.
  • a corrugated profile of the arc is achieved by spaced, parallel telescopic tubes which have blowing nozzles.
  • a device for shingling and depositing sheets onto a stack which has an overlap station arranged upstream of the stacking point, which has a deflector arranged above the conveying plane of the sheets and a deflector arranged below the conveying plane of the sheets has the deflected bow ends acting braking and conveying member.
  • the invention has for its object to provide a device for storing sheets at a stacking point, in which a compression of the sheets, in particular a resulting damage to break-prone sheets does not occur at the stop of the stacking point.
  • the overlap station upstream of the stacking station must be designed such that it takes into account the conveying speed of the incoming sheets and their material rigidity, taking into account the conveying speed of the sheets such that the remaining stop forces on the stop of the stacking station due to the sheet in the area of Stacking point imposed wave profile can be coped with by the arc. If the conveying speed is low anyway, a conveying member of the overlap station can even be dispensed with.
  • the height of the wave profile increases from the rear edge of the stack to the stop on the front edge of the stack.
  • This configuration takes into account the fact that a sheet cannot be profiled in a leap and that because of the increasing compressive forces towards the front edge of the stack, greater dimensional rigidity is necessary.
  • the increase in the height of the imposed wave profile does not require a continuous increase in the height of the wave profile of the floating ceiling. It can be achieved by gradually increasing the height of the wave profile. The bow itself then compensates for a gradual increase.
  • the floating ceiling can be realized in various ways. It is preferably formed by floating strips arranged next to one another and extending in the conveying direction, the side of which facing the conveying plane is concave and / or convex. However, it is also possible that the funding level facing flat sides are offset angularly to form the wave profile.
  • the wave profile can be formed on the bends in the area of the overlap station.
  • the braking member is a rotating roller that has a wave profile corresponding to the wave profile of the floating ceiling.
  • the deflection member is occupied by brush segments orbiting shaft.
  • the brush segments are arranged at an axial distance from one another and can emerge between the floating strips of the floating ceiling.
  • the floating slats ensure that the beginning of the bow is supported without gaps.
  • the role of the braking member should be equipped with brake disks arranged at the same axial distance from one another as the shaft with the brush segments, between which floating strips of a blowing table fed by air blowing extend.
  • the floating table ensures that the deflected bow end is also guided without gaps.
  • a conveying element is arranged directly in front of the stacking point and has at least one revolving conveying roller, against which the deflected bow is pulled by suction. So that the funding body across the width can act evenly on the sheet and supports braking, according to a further embodiment it is provided that the conveying element is also activated by a second deflecting element acting on the sheet in time with the sheet sequence above the conveying plane of the sheet.
  • the peripheral speeds of the braking and the conveying member are the same and adapted to the length of the sheet so that when a sheet is braked, the sheet previously braked has just left the conveying member.
  • the rollers of the conveying element consist of small pieces aligned in alignment, which are arranged directly in front of the stacking point in a suction box.
  • the device for depositing sheets shown in FIG. 1 has a cross cutter 1, with which a supplied material web is cut into individual sheets, and two stacking stations 2, 3, each with a table 4, 5 that can be raised and lowered, on which the incoming sheets can be stored as a stack 6.7.
  • a stop 9 is arranged at each stacking point 2, 3, against which the sheets to be deposited strike hard with their front edge.
  • Each stacking point 2, 3 is also preceded by an overlap station 9, 10 with which the sheets arriving at high conveying speed overlap and are braked to a low speed suitable for storage and conveyed further.
  • suspension tables 11 consist, for example, of suspension rails known per se (DT 19 07 083 82), between which the conveyor rollers 12 are arranged.
  • the conveyor rollers 12 clamp the sheet to be conveyed between them and thus determine its conveying speed.
  • an arc can be deflected downwards from the upper conveyor level. From the first switch 13 in the conveying direction, a sheet is passed over a suspension table 15 to a shredder 17, under which a container 18 is available for receiving the chopped sheet. From the second switch 14 in the conveying direction, a sheet is conveyed via a suspension table 19 into a lower level to the overlap station 9.
  • a sheet 20 to be deposited is fed from a suspension table 21 and a pair of conveyor rollers 22, 23 at a defined speed to the first overlap station 9 in the conveying direction.
  • the conveyor table 21 consists of a plurality of floating slats arranged parallel to one another, as shown in detail in FIG. Each floating bar is composed of a hat-shaped profile 24 and a flat cover plate 25 in which the blowing nozzles are formed. The blowing nozzles end at the front in the conveying direction in a flat part 26, which has two blowing nozzles 27 at its tip.
  • the conveyor rollers 22 are arranged in alignment at an axial distance from one another and press on disks 28 of the conveyor roller 23 with annular grooves 29 arranged between the letters, through which the flat front parts 26 of the floating slats protrude. These flat front parts 26 overlap with floating strips of the floating table 15 which extend above the conveying plane and extend beyond the stacking point 3.
  • the overlap station 9 has, above the conveying plane, two similar deflecting members 30, 31 arranged at a distance from one another in the conveying direction, each of which acts on a braking member 32 and conveying member 33 arranged below the conveying plane.
  • the deflection members 30, 31 consist of on a driven shaft 34, 35 with axially spaced disks 36, 37 which are equipped with segment-like brushes 38, 39.
  • the floating slats 40 of the floating ceiling 15 extend between these disks 36, 37.
  • the braking element 32 assigned to the first deflecting element 30 in the conveying direction consists of a drum with a cylindrical jacket 41, the surface of which has a high coefficient of friction.
  • the end of the sheet 42 to be braked is pressed against this jacket 41 by the brush 38.
  • a transfer plate 43 is provided between the first braking member 32 and the conveying member 33 to support the deflected sheet 42.
  • the conveyor member 33 consists of a suction box 44 with a central partition wall 45 and small conveyor rollers 46, 47 arranged on both sides of the partition wall 45. These conveyor rollers 46, 47 are provided with a coating with a high coefficient of friction and their speed is equal to the speed of the drum of the braking member 32.
  • the upper edges 48 of the partition 45 and the walls of the suction box 44 are rounded and provided with a lubricious coating. Due to the negative pressure in the suction box 44, the deflected sheet 42 is drawn against the conveyor rollers 46, 47. Since the suction box 44 lies directly against the stack with a side wall, the conveyor member 33 can practically maintain its conveying action until the front edge of the sheet abuts the stop 8.
  • the distance between the braking and conveying unit 30, 32 and 31, 33 is selected so that at the beginning of the overlapping process the brushes 38 have not yet fully covered the braking member 37 if the sheet 50 to be deposited has not yet left the conveying member 37 completely. In the case of large-sized sheets, the length of which is considerably greater than the brush path of one revolution, the deflection members 30, 31 can be raised and lowered.
  • the floating strips 40 of the floating table 15 are still flat in the area of the overlap and braking station 9 on their side facing the sheet 42.
  • the here still flat, the blowing air nozzle plate 51 then merges into a section 51 'with a concave profile, which has an angle ⁇ on its flank.
  • the wave height h should be in the range of 5 to 15% of the division t.
  • the angle ⁇ should be in the range of 10 ° and 30 °.
  • FIGS. 9 to 11 show different alternatives for the arrangement of the floating ceiling 15. With each execution it is achieved that the sheet to be deposited has a wave shape at the end of the conveying path. In all cases, the height h should be such that it increases in the direction of conveyance. This takes into account the fact that the load on the sheet increases towards the front edge, because the effective mass in the conveying direction of the sheet is always larger.
  • FIG. 8 shows, as an alternative to the embodiment in FIG. 5, that the corrugation can already begin with the first deflection and braking unit.
  • the continuously cylindrical brake member 32 of FIGS. 2 and 7 is replaced by a brake shaft 53 equipped with brake disks 52. Between the brake disks 52 extend blown air-fed suspension strips 54, which form a suspension table. The sides of the brake disks 52 and the blow strips 54 facing the sheet 55 to be braked have a wave profile. Above the blow strips 54, blow strips 56 are provided, the side of which faces the arch 55 has a square recessed profile.
  • the switch shown in FIGS. 12 and 13 has deflection rollers 61 rotatably mounted on a swivel arm 55 with deflection plates 62 arranged in the spaces.
  • This unit can be moved from the position shown in FIG. 12 to the position shown in FIG. 13 by means of a cylinder piston arrangement 63.
  • a lower conveyor roller 64 with an upstream floating table 65 corresponds essentially to the structure of the conveyor roller 23 and the floating table 21 of FIG. 2.
  • the blowing air emerging from the blowing nozzles at the tip of the floating table 65 favors the straight transport because the deflection roller 61 is not pivoted downwards Blown air jet then carries the bow, as shown in Figure 12.
  • the blowing jet is also deflected downward by the guide plate 62 and favors the deflection of the beginning of the curve onto the lower floating table 11.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pile Receivers (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
EP89113828A 1988-08-03 1989-07-27 Vorrichtung zum Ablegen von Bogen an einer Stapelstelle Expired - Lifetime EP0353623B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89113828T ATE86587T1 (de) 1988-08-03 1989-07-27 Vorrichtung zum ablegen von bogen an einer stapelstelle.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3826292 1988-08-03
DE3826292 1988-08-03
DE3920407A DE3920407A1 (de) 1988-08-03 1989-06-22 Vorrichtung zum ablegen von bogen an einer stapelstelle
DE3920407 1989-06-22

Publications (2)

Publication Number Publication Date
EP0353623A1 EP0353623A1 (de) 1990-02-07
EP0353623B1 true EP0353623B1 (de) 1993-03-10

Family

ID=25870757

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89113828A Expired - Lifetime EP0353623B1 (de) 1988-08-03 1989-07-27 Vorrichtung zum Ablegen von Bogen an einer Stapelstelle

Country Status (4)

Country Link
US (1) US5060928A (enrdf_load_stackoverflow)
EP (1) EP0353623B1 (enrdf_load_stackoverflow)
JP (1) JPH02163261A (enrdf_load_stackoverflow)
DE (2) DE3920407A1 (enrdf_load_stackoverflow)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4020398C1 (enrdf_load_stackoverflow) * 1990-06-27 1992-02-13 Hilmar 5653 Leichlingen De Vits
JPH0558531A (ja) * 1991-08-27 1993-03-09 Touyo Riken:Kk シート集積装置
DE4213020B4 (de) * 1992-04-21 2004-09-16 Heidelberger Druckmaschinen Ag Luftstromerzeugungseinrichtung für einen Bogenausleger einer Bogendruckmaschine
DE4316400C2 (de) * 1993-05-17 1997-12-11 Heidelberger Druckmasch Ag Einrichtung zur Entnahme aus einem Förderstrom ausgeschleuster Exemplare
DE4322324C2 (de) * 1993-07-05 2002-01-17 Heidelberger Druckmasch Ag Bogentransport und Bogenführung im Auslagebereich von Rotationsdruckmaschinen
DE4330393C2 (de) * 1993-09-08 1999-08-26 Heidelberger Druckmasch Ag Bogenführung im Ausleger einer Bogendruckmaschine
CH689977A5 (fr) * 1994-05-11 2000-02-29 Bobst Sa Dispositif de freinage d'éléments en plaque au sein d'une station de réception d'une machine de traitement de tels éléments.
US5950510A (en) * 1995-06-29 1999-09-14 Scheffer, Inc. Decelerating mechanism for printed products
US6788221B1 (en) 1996-06-28 2004-09-07 Synaptics (Uk) Limited Signal processing apparatus and method
DE19710630C2 (de) * 1997-03-14 1999-11-11 Roland Man Druckmasch Vorrichtung zum Ausrichten von in fortlaufender Reihe transportierten flachen Gegenständen
US6145833A (en) * 1998-06-02 2000-11-14 Marquip, Inc. Rotary brush sheet deceleration device
CH693989A5 (fr) * 2000-05-12 2004-05-28 Bobst Sa Dispositif de freinage d'une machine de travail d'éléments en feuilles.
US6494452B1 (en) 2000-10-19 2002-12-17 Krzysztof Karasiewicz Method and apparatus to decelerate printed product in a stacking process
DE10139405A1 (de) * 2001-08-17 2003-02-27 Jagenberg Querschneider Gmbh Vorrichtung zum Querschneiden von Materialbahnen, insbesondere Papier- oder Kartonbahnen
EP1882657B1 (de) * 2006-07-26 2011-11-09 Heidelberger Druckmaschinen Aktiengesellschaft Bogenbremsvorrichtung
DE102008010985A1 (de) * 2008-02-25 2009-08-27 Heidelberger Druckmaschinen Ag Bogenbremseinrichtung
JP5691531B2 (ja) * 2011-01-12 2015-04-01 コニカミノルタ株式会社 画像形成システム
DE102013215068A1 (de) * 2013-08-01 2015-02-05 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Bogen-Brems-Vorrichtung
DE102017105422A1 (de) * 2017-03-14 2018-09-20 manroland sheetfed GmbH Bogenausleger mit Materialzerkleinerung in einer Bogenoffsetdruckmaschine

Family Cites Families (16)

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Publication number Priority date Publication date Assignee Title
DE6609089U (de) * 1968-09-27 1972-02-10 Windmoeller & Hoelscher Vorrichtung zum voruebergehenden versteifen von flachen, schmiegsamen werkstuecken, insbesondere von saecken, beuteln oder schlauchstuecken aus kunststoffolie, beim abwerfen derselben auf einen ablagetisch oder ein nachgeschaltetes foerdermittel.
US3727911A (en) * 1970-04-30 1973-04-17 Vits Maschinenbau Gmbh Methods and apparatus for providing an overlap between individual sheets in preparation for subsequent stacking
DE2348320C3 (de) * 1973-09-26 1978-12-14 Vits-Maschinenbau Gmbh, 4018 Langenfeld Vorrichtung zum stapelweisen Ablegen einzelner gleichlanger Bogen
US3945634A (en) * 1974-06-18 1976-03-23 Calvert Harry B Method and means for stacking veneer sheets
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GB1549203A (en) * 1975-07-23 1979-08-01 Vits Maschinenbau Gmbh Device for overlapping sheets which are regularly individually conveyed one after the other
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Also Published As

Publication number Publication date
DE58903704D1 (de) 1993-04-15
US5060928A (en) 1991-10-29
DE3920407A1 (de) 1990-02-08
DE3920407C2 (enrdf_load_stackoverflow) 1993-07-08
EP0353623A1 (de) 1990-02-07
JPH02163261A (ja) 1990-06-22

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