EP0189090A2 - Dispositif de pliage de bandes - Google Patents

Dispositif de pliage de bandes Download PDF

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Publication number
EP0189090A2
EP0189090A2 EP86100399A EP86100399A EP0189090A2 EP 0189090 A2 EP0189090 A2 EP 0189090A2 EP 86100399 A EP86100399 A EP 86100399A EP 86100399 A EP86100399 A EP 86100399A EP 0189090 A2 EP0189090 A2 EP 0189090A2
Authority
EP
European Patent Office
Prior art keywords
separating
stack
stacking
separating device
edges
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP86100399A
Other languages
German (de)
English (en)
Other versions
EP0189090A3 (en
EP0189090B1 (fr
Inventor
Hermann Buck
Werner Sommerer
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.)
Bielomatik Leuze GmbH and Co KG
Original Assignee
Bielomatik Leuze GmbH and Co KG
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 Bielomatik Leuze GmbH and Co KG filed Critical Bielomatik Leuze GmbH and Co KG
Priority to DE19863614683 priority Critical patent/DE3614683A1/de
Publication of EP0189090A2 publication Critical patent/EP0189090A2/fr
Publication of EP0189090A3 publication Critical patent/EP0189090A3/de
Application granted granted Critical
Publication of EP0189090B1 publication Critical patent/EP0189090B1/fr
Expired 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
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/20—Zig-zag folders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/02—Folding limp material without application of pressure to define or form crease lines
    • B65H45/06—Folding webs
    • B65H45/10—Folding webs transversely
    • B65H45/101—Folding webs transversely in combination with laying, i.e. forming a zig-zag pile
    • 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
    • B65H2701/11—Dimensional aspect of article or web
    • B65H2701/112—Section geometry
    • B65H2701/1123—Folded article or web
    • B65H2701/11231—Fan-folded material or zig-zag or leporello
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2033—Including means to form or hold pile of product pieces
    • Y10T83/2037—In stacked or packed relation
    • Y10T83/2046—Including means to move stack bodily
    • Y10T83/2048—By movement of stack holder
    • Y10T83/205—By timed relocation of holder along path of stack gscheme-change-itemth

Definitions

  • the invention relates to a device for folding webs of material, in particular paper webs, and for storing them in a stack of folded layers, with a folder and a stacking device in which the stack forms in a stacking direction.
  • DE-C-30 13 865 describes a device which solves the stack separation and the removal in the same way. There, however, the partial stacks above and below the separating device are also held on their first or last sheets by special holding devices during the entire separating process, in order to avoid displacement of the stack during the separating. this requires the use of complex machine parts such as suction devices etc.
  • the object of the invention is to improve the device according to DE-B-1 267 958 so that it enables the exact formation of individual stacks and their removal even at high running speeds without the need for holding devices for the stack parts located above and below the separating device .
  • the stacking table is provided with a shifting device and from this in an upper position essentially horizontally, with the separating device in the same direction and synchronously in the stacking area, wherein it connects to the separating device and this essentially during insertion follows without distance.
  • a division can be pivoted into the stack from its upper edge element formed a gap at the front stack edge, so that the separating element can easily enter the stack. It only opens the front edge of the stack and does not support the stack over its remaining surface.
  • the separating device which advantageously consists of a rake-shaped element with separating edges, which cooperate with a correspondingly recessed guide element, run into the stack from above, in particular if the separating device is designed to be able to be lowered and raised anyway. In this respect, the separating device does not have to be inserted into the stack exactly perpendicular to the stacking direction or in the direction of the layer plane, especially not during its entire operation.
  • a version of the separating device is particularly preferred, in which it consists of rods with separating heads which are parallel in the direction of entry and which are designed in the manner of locking tips and ensure that the perforation on the fold is broken open and not cut open, which increases the risk of stack displacement and cutting into the web prevented.
  • the device shown in FIGS. 1 to 5 is normally the end section of a device for producing folded layers from a material web 13, in particular a paper web.
  • the machine part In the machine part, not shown, upstream of a folder 10, the machine part is normally simple, but more useful, i.e. Printed material webs 13 lying side by side in several format widths, provided with perforations and punchings etc.
  • the material web entering the folder 10 vertically from above is provided with folds there by two folding rollers 11, 12 at a predetermined distance and then deposited in the form of zigzag-shaped layers 40 in the form of a stack 31.
  • the stack forms in a stack area 41, which can also be referred to as a stacking shaft, and is guided in the stacking direction 42, here vertically downward.
  • a flap folder known per se can be used as the folder, as is known, for example, from DE-c-78 663, to which reference is made here. They are driven synchronously with a shaft 19, which controls a large part of the functions of the entire stacking device 43, via an adjustment or change-over gear.
  • guide elements 44 are arranged on the front and rear edge, which stack 31 in this upper Lead area between themselves and are designed in the manner of combs or rakes.
  • the stack 31 rests on a lowerable stacking table 14, which is supported by columns 45, which are guided vertically displaceably in guides 46 and, for example, via racks on the columns, by a motor 16 via a gear and chain transmission 47 can be raised and lowered, namely from the lower position 15 to the upper position 48 shown in broken lines.
  • the motor 16, the gear 47 and the guides 46, and thus the entire stacking table 14, are attached to a horizontally displaceable carriage 49, which is indicated by dashed lines. It can be displaced horizontally between the right position shown in FIGS. 1, 2 and 5 and the left position shown in FIGS. 3 and 4, namely in that it is coupled to a toothed belt 21 which belongs to a displacement device 50.
  • the toothed belt 21 is guided endlessly around numerous deflection rollers, for example 36, 37, 38, a drive wheel 51 and a driving wheel 28.
  • a likewise horizontal run 53 is formed, which can move a separating device 24 running in a horizontal guide 54 horizontally back and forth.
  • the separating device 24 consists of a plurality of bars lying horizontally next to one another in the manner of a rake or comb, e.g. Round rods, which are provided on the front with a tip or cutting edge 55 and can pass through the comb-shaped guide elements 44, which are adapted to them.
  • the separating device 24 can be moved back and forth between the position shown in FIG. 1, in which it lies outside the stacking area 41, and the position according to FIG. 3, in which the tips 55 protrude through the left guide element 44.
  • the displacement device 50 is connected via a gear 56, which is connected in a rotationally fixed manner to the drive wheel 51, and thereby in one gripped standing toothed segment 57, a crank 57 attached to it, a connecting rod 58 and a one-armed lever 59 which is articulated to a pivot bearing 61 and carries a driving roller 60 which follows a curve 20 on the shaft 19.
  • the segment 27 is moved back and forth from the curve 20 via the linkage 57 to 61 and also rotates the drive wheel 51 back and forth so that the carriage 51 coupled to it and the separating device 24 are each horizontally in the same direction and by the same amount - and be moved around.
  • toothed belt drive instead of the toothed belt drive, another displacement device, for example with levers directly from a curve, or a pneumatic drive could also be provided.
  • the two toothed belts running in front of and behind the stacking areas in the drawing have created a relatively adaptable displacement device which at the same time also drives a belt conveyor 18 forming a removal device 62 for the stacks 31.
  • the toothed belt runs around the driving wheel 28, which it oscillates back and forth.
  • the driving wheel 28 is connected via a freewheel 29 to a drive wheel 30 for the belt conveyor 18, as a result of which the drive wheel is always only taken in a clockwise direction and thus the belt 18 is only transported step by step in the direction of the arrows 63, in each case by the amount 64, ie the division between two stacks on the removal line.
  • the belt conveyor 18 is guided around numerous deflection rollers in such a way that it forms two horizontal belt sections 65, 66, of which the one which runs in the region of the stacking table can be raised independently of the belt section 66.
  • the belt is guided at the beginning and end of the belt section 65 in a Z-shape over a pair of deflection pulleys attached to a lifting element 68 and then provided with compensating sections which are held under tension by spring-loaded deflection pulleys 67.
  • the lifting elements 68 can be lifted simultaneously by pneumatic cylinders 17 and thus the Raise belt section 65 above the level of lower position 15 of stacking table 14 (see FIGS. 2 and 3). In the lowered position shown in FIG. 1, the belt sections 65, 66 are at the same level.
  • the belt conveyor 18 consists of belts arranged at a distance from one another, through the plane of which the stacking table, which also consists of individual bars arranged at a distance from one another, can therefore pass.
  • the stacking table 14 At the bottom of the stacking table 14 there is at least one strip-shaped support 34, on which the stack edge of a stack that has been removed on the left in the drawing can be supported when it is transported away from the stacking area and at the transition between the belt sections 65, 66.
  • the support is connected to the columns 65 at the lower end via a yoke.
  • Fig. 1 it is indicated with a dashed line that for manual adjustment, the entire belt section 18 with its deflection rollers, the lifting mechanism 17, 68, and the drive wheel 30 and the stacking table together with the carriage 49 can be raised to an upper position 35, if Stacks with a lower height are to be produced.
  • the displacement device 50 also lifts with its deflection rollers 36, 37, 38, the toothed belt 21 and the driving wheel 28; however, the drive wheel 51 remains stationary.
  • the drive of the displacement device 50 and the removal device 62 driven indirectly by this is therefore not impaired by the height adjustment.
  • a dividing element 22 is arranged, which consists of a pawl-like lever with a tip or cutting edge 72. It is attached in an articulated manner to one end of a rod 73, which is guided in sliding guides 74 above the separating element 24 at an angle between approximately 10 and 30 ° with respect to the horizontal.
  • a further rod 75 is guided parallel underneath, which acts on the dividing element 22 with a roller 76 at its end and thus between an obliquely upward position (Fig. 1) and an obliquely downward toward the stack to position (approximately in the extension of the rods 73, 75 as in Figs. 2 and 3).
  • the rod 73 is connected to the piston of a pneumatic cylinder 23 via an angle lever 77, while the rod 75 is connected via a double lever 78 and a connecting rod 79 to a double lever 80 which can be pivoted about the pivot bearing 61 and which moves from one to the other via a driving roller 81 the shaft 19 attached curve 32 is pivotable.
  • the dividing element 22 is arranged so that it is usually in the area of the right stack edge 69 in the drawing above the stack, that is in the area of the folding roller 11, so that it can engage from above in the stack before it forms. In its downwardly pivoted position, the dividing element 22 is in a gap in the separator, but with its tip just in front of the retracted tip of the separator 24, so that it pulls a gap for the separator in the stack, in which the separator is free of damage of the stack can penetrate.
  • FIG. 1 shows a working step in which the formation of a high stack 31 on the stacking table 14 is almost complete.
  • the stacking table 14 has reached its lower position 15, but the separating device 24 and the dividing element 22 are still outside the stacking area 41.
  • the rod 73 is now pushed towards the stack by actuating the pneumatic cylinder 23 via the lever 77, so that the dividing element pivots into the stack area 41; and that on the top layer just forming on the folder. It pivots into the position described, at which its tip 72 is in front of the tip 55 of the separating device.
  • the belt section 65 of the belt conveyor 18 of the removal device 62 is raised through the plane of the stacking table 14, so that it takes over the stack 31. This is done by actuating the pneumatic cylinder 17 using the compensating path formed by the spring-loaded deflection rollers 67.
  • the curve 20 actuates the toothed segment 57 and thus the drive wheel 51 of the toothed belt 21 via the lever mechanism 57 to 61 in such a way that the displacement device 50 thereby formed simultaneously the slide 49 and thus the stacking table 14 with its lifting mechanism and the separating device 24 in the guide 54 pulls horizontally to the left so that the stacking table is now to the left of the stacking area 41 and the separating device 24 moves into the gap formed by the dividing element 22 in the area of the stacking edge 69, runs between two layers 40 and these layers in the area of a rear fold 82 where the layers are usually only connected to one another by a perforated line anyway (Fig. 3).
  • the tips or cutting edges 55 of the bars forming the separating device cooperate with the guide element, which forms a type of counter bearing or shear bar.
  • the guide element which forms a type of counter bearing or shear bar.
  • different types of severing can be used here, which depend essentially on the desired separation quality and the type of fold (degree of perforation). In any case, it has been shown that the separation by means of the individual tips or cutting edges enables a sufficiently safe and clean separation for the practical applications that occur.
  • Fig. 4 shows that the lifting elements 78 are now lowered again by retracting the pistons in the pneumatic cylinders 17, so that the belt section 65 on the Level of the belt section 76 comes and the stack 31 is lowered accordingly.
  • the stacking table 14 is raised through the belt plane to the position 48, in which its stacking surface 83 is approximately aligned with the upper edge of the separating devices 24.
  • the stacking table 14 moves upward next to the stacking area 41.
  • the dividing element 22 is withdrawn from the stacking area by simultaneously withdrawing both rods 73, 75. This takes place via the two angle levers 77, 78 and the actuation of the pneumatic cylinder 23 and through the curve 32. Furthermore, under the action of the pneumatic cylinder 23 and the curve 32, the pivoting and advancing movement indicated in FIG. 4 by the bent arrow 84 is carried out, in which the dividing element 22 is pivoted upwards in the retracted position of the rod 73 by advancing the rod 75 and then pushed onto the stack by the simultaneous movement of the rods 73, 75 to the dividing element 22 in its upward position in the waiting position according to FIGS. 1 and 5 so that it is ready for use again. Since the separating device 24 has been moved in (FIGS.
  • a new partial stack 85 has formed on the separating device, which thus carries the partial stack 85 during this period.
  • the separating device is located relatively close to the folder, but at such a distance that a certain partial stack, which is formed until the end of the stack changing process, can be formed and accommodated between separating device 24 and folder 10.
  • Fig. 5 shows that now under the action of the turning curve 20 via the connecting mechanism, the segment 27 is pivoted to the other side, so that the drive wheel 51 moves the toothed belt 21 of the displacement device 50 so that the separating device 24 and stacking table 14 horizontally in the same direction and synchronously in the drawing are shifted to the right so that the separating device 24 moves out of the stacking area 41 and the stacking table 14 moves into the stacking area.
  • the stacking table 14 and separating device 24 move without a gap adjoining one another and even overlapping somewhat in that the tips 55 of the separating device lie on a lateral bevel of the stacking table. This mutual position had already been assumed in FIG. 4 and is maintained during the transfer to the right.
  • the partial stack 85 formed on the separating device 24 is pushed through the right-hand guide elements 44 onto the stacking table 14, which now takes on its role as the lowerable carrier of the stack.
  • the stacking table 14 is now lowered in the stacking direction 42 by the motor 16 in accordance with the formation of the stack (FIG. 1).
  • Fig. 5 also shows that simultaneously with the movement of the toothed belt 21, the drive wheel 28 was rotated, which took the drive wheel 30 for the belt conveyor 18 in this direction via the freewheel 29 and thereby moved the belt 18 by the amount 64, namely in Area of the belt sections 65, 66, which are located here at the same level, to the right, that is to say under the separating device 24 and between the gear wheels 21.
  • the stack is supported by the support strips 34 as it runs across the gap between the two belt sections 65, 66. There is thus a gradual removal of the stacks 31 formed on the belt section 66, from where they can be transported or removed.
  • another removal device can also be used, for example a device that works with slides or gripper fingers that move the stacks on a table or roller tracks.
  • the indirect drive of the belt conveyor 18 via the toothed belt by means of a freewheel ensures reliable synchronization of the movements.
  • a drive for the belt conveyor derived directly from the synchronous shaft 19 could also be provided.
  • the clock shaft 19 is connected to the drive of the folding rollers 11, 12 in such a way that it makes one revolution at a certain minimum number of layers 40, for example for 100 or 200 sheets. If stacks with a larger or smaller number of layers divisible by this minimum number are required, the synchronous shaft 19 is decoupled for a few revolutions. During this time, the stack is then formed (in the position between FIG. 5 and FIG. 1 following in the cycle).
  • the motor 16 and the pneumatic cylinders 17, 23 are controlled in the work sequence described by a control device which can also be actuated, for example, via curves or cams on the synchronous shaft 29.
  • the speed of the motor 16 should be adjustable according to the "growth speed" of the stack.
  • the separating head 100 shown in FIGS. 6 to 8 forms the front end of each rod 101 of the separating device 24.
  • the rods 101 run horizontally and parallel to one another in the insertion direction of the separating device 24.
  • the separating head 100 has the shape of a spearhead with a rhombic cross section, the edges 102 of which , 103 converge in the front tip 55.
  • the separating head is wider and thicker than the associated rod 101, so that there is a very small distance between two separating heads 100 in the horizontal direction a arises, which is only a fraction of the total width of the separating head or the division t between the bars (preferably 5 -10%).
  • the separating head 100 has the greater width of its rhombic cross section in the horizontal direction and the edges 102 pointing in this direction form an angle between them of between 45 ° and 90 °, preferably approximately 60 °.
  • the angle enclosed by the upward and downward-pointing edges 103 is only half as large and is between 25 ° and 40 °, preferably at just under 30 °.
  • the rhombic tip merges into a cylindrical and then into a conical cross section 107, which reduces the overall width of the separating head to the dimensions of the rod 101.
  • the edges 102, 103 are not sharpened, but deburred.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Forming Counted Batches (AREA)
  • Handling Of Sheets (AREA)
EP86100399A 1985-01-23 1986-01-14 Dispositif de pliage de bandes Expired EP0189090B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19863614683 DE3614683A1 (de) 1986-01-14 1986-04-30 Vorrichtung zum falzen von materialbahnen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853502176 DE3502176A1 (de) 1985-01-23 1985-01-23 Vorrichtung zum falzen von materialbahnen
DE3502176 1985-01-23

Publications (3)

Publication Number Publication Date
EP0189090A2 true EP0189090A2 (fr) 1986-07-30
EP0189090A3 EP0189090A3 (en) 1987-04-01
EP0189090B1 EP0189090B1 (fr) 1989-06-07

Family

ID=6260555

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86100399A Expired EP0189090B1 (fr) 1985-01-23 1986-01-14 Dispositif de pliage de bandes

Country Status (5)

Country Link
US (1) US4673382A (fr)
EP (1) EP0189090B1 (fr)
JP (1) JPS61169449A (fr)
CA (1) CA1262435A (fr)
DE (2) DE3502176A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
EP0292770A1 (fr) * 1987-05-29 1988-11-30 E.C.H. Will GmbH Dispositif pour former une pile à partir d'une bande sans fin prépliée

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US7470102B2 (en) 2001-07-27 2008-12-30 C.G. Bretting Manufacturing Co., Inc. Apparatus and method for insertion of separating means into a forming stack of sheets discharged from a starwheel assembly
US6832886B2 (en) 2001-07-27 2004-12-21 C. G. Bretting Manufacturing Co., Inc. Apparatus and method for stacking sheets discharged from a starwheel assembly
US7008364B2 (en) 2002-09-27 2006-03-07 C.G. Bretting Manufacturing Company, Inc. Sheet folding apparatus and method
US6877740B2 (en) 2003-07-30 2005-04-12 C.G. Bretting Manufacturing Company, Inc. Starwheel feed apparatus and method
US7306554B2 (en) * 2005-01-13 2007-12-11 C.G. Bretting Manufacturing Co., Inc. Method of forming a stack of interfolded sheets of web
DE102008025890A1 (de) * 2008-05-29 2009-12-24 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Kontinuierlicher Faltprozess
DE102008025888A1 (de) * 2008-05-29 2009-12-24 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Falteinrichtung
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US9371209B2 (en) 2012-05-01 2016-06-21 C.G. Bretting Manufacturing Co., Inc. Single path single web single-fold interfolder and methods
US10449746B2 (en) 2016-06-27 2019-10-22 C. G. Bretting Manufacturing Co., Inc. Web processing system with multiple folding arrangements fed by a single web handling arrangement
CN112875406B (zh) * 2021-03-25 2025-11-25 东莞市卓能科技有限公司 全自动分叠抽取式面巾机

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0292770A1 (fr) * 1987-05-29 1988-11-30 E.C.H. Will GmbH Dispositif pour former une pile à partir d'une bande sans fin prépliée

Also Published As

Publication number Publication date
DE3502176A1 (de) 1986-07-24
EP0189090A3 (en) 1987-04-01
CA1262435A (fr) 1989-10-24
JPS61169449A (ja) 1986-07-31
US4673382A (en) 1987-06-16
DE3663791D1 (en) 1989-07-13
EP0189090B1 (fr) 1989-06-07

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