EP2409939A1 - Installation de pliage et d'agrafage pour bandes de carton ondulé - Google Patents

Installation de pliage et d'agrafage pour bandes de carton ondulé Download PDF

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Publication number
EP2409939A1
EP2409939A1 EP11174201A EP11174201A EP2409939A1 EP 2409939 A1 EP2409939 A1 EP 2409939A1 EP 11174201 A EP11174201 A EP 11174201A EP 11174201 A EP11174201 A EP 11174201A EP 2409939 A1 EP2409939 A1 EP 2409939A1
Authority
EP
European Patent Office
Prior art keywords
corrugated cardboard
cardboard web
elements
folding
fold
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
EP11174201A
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German (de)
English (en)
Other versions
EP2409939B2 (fr
EP2409939B1 (fr
Inventor
Gerhard Grünwald
Markus Fischer
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.)
BHS Corrugated Maschinen und Anlagenbau GmbH
Original Assignee
BHS Corrugated Maschinen und Anlagenbau GmbH
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.)
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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
    • B65H45/02—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
    • B65H45/1015—Folding webs provided with predefined fold lines; Refolding prefolded webs, e.g. fanfolded continuous forms
    • 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
    • B65H31/32—Auxiliary devices for receiving articles during removal of a completed 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
    • B65H45/00—Folding thin material
    • 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

Definitions

  • the invention relates to a system and a method for folding and stacking corrugated cardboard webs.
  • the invention is not limited to the use of corrugated board webs.
  • a method and an apparatus for folding endless corrugated webs are known. It is provided a driving device, which consists of two arranged on both sides of the corrugated web, synchronously moving to each other transport belts, between which a plurality of cables are stretched. The ropes engage in grooves in the corrugated web and put the folded in the form of a Leporellos corrugated board to a pile.
  • the known device has the disadvantage that only a predetermined format can be folded.
  • the invention has for its object to provide a system and a method that simplify the folding and stacking of endless corrugated webs in a format change. Furthermore, the system and the method should be as easy as possible to adapt to different formats. Preferably, a stepless format adjustment should be possible.
  • the essence of the invention is that the engagement elements are guided independently in the folding device.
  • the engagement elements are preferably individually or independently drivable. They are advantageously individually accelerated and / or braked. Due to the independent guidance of the engagement elements is a format change easy to carry out. In a format change so the distance of the engagement elements can be easily changed to each other. The distance between the engagement elements can be easily adapted to a changed distance of folds in the corrugated web to each other. In a format change, the engagement elements perform a relative movement to each other. At least two, preferably at least three, more preferably four and most preferably five engagement elements are provided. Advantageously, a maximum of seven engagement elements are present.
  • the engagement elements may be formed as elongated elements. They are preferably chains, cords, ropes, rods, bands, wires or the like. The chains, cords, ropes, bands or wires are then stretched.
  • the guide device according to claim 2 ensures a secure and accurate guidance of the engagement elements. It specifies a movement path or trajectory for the intervention elements.
  • the at least first circulation element according to claim 3 ensures a functionally reliable and targeted displacement of the first engagement element. It can be provided exactly a first circulation element. However, it is also possible for a plurality, preferably two, first circulation elements to be provided, which then form a circulation element unit or a circulation element pair. The first circulation elements preferably run synchronously.
  • the at least second circulation element according to claim 4 ensures a functionally reliable and targeted displacement of at least the second
  • Engagement element It can be provided exactly a second circulation element. However, it is also possible to provide a plurality of, preferably two, second circulation elements, which then form a circulation element unit or a circulation element pair. The second circulation elements preferably run synchronously.
  • circulation elements of a circulatory element pair are provided.
  • the circulation elements of a circulatory element pair are preferably coupled together by the associated engagement element. They are in sync.
  • the circulation elements are preferably endless elements. They are particularly flexible or flexible.
  • the circulation elements can be belts, straps, ropes, cords, chains or toothed belts.
  • the circulation elements associated with the various engagement elements are independently movable.
  • the embodiment according to claim 5 leads to a guide device which is extremely space-saving and thus inexpensive to produce.
  • the first circulation element and the at least second circulation element are independently drivable.
  • the circulation elements are assigned their own, independent drives.
  • a mechanical, pairwise synchronization of the circulation elements is possible.
  • the rising lifting section according to claim 7 causes a functionally reliable and targeted lifting of the corrugated cardboard web.
  • the corrugated web is caused by the rising course of the circulation elements in the lifting section raised in the conveying direction, which there causes a corresponding lifting of the engagement elements.
  • the engagement elements are engaged with the corrugated web and take the corrugated web accordingly.
  • the corrugated web is thus preferably deflected upwardly in the lifting section from its original path.
  • the corrugated web is folded easily and functionally reliable.
  • the corrugated web is lowered by the sloping course of the circulation elements in the depositing section in the conveying direction, which there causes a corresponding lowering of the engagement elements.
  • the engagement elements are engaged with the corrugated web and take the corrugated web accordingly.
  • the corrugated web is lowered so preferably in the depositing section again.
  • the depositing section is preferably arcuate, more preferably arcuate. It is preferably substantially in the shape of a quarter arc.
  • the circulation elements are guided along the lifting section, the laying section and the returning section.
  • the lifting section, the laying section and the return section thus determine the trajectory or trajectory of the circulating elements and thus also of the engaging elements.
  • the movement path is therefore preferably circumferentially closed or endless.
  • the lifting table according to claim 11 allows a particularly simple and secure recording of the stack. It is adaptable to the height of the respective stack.
  • the embodiment according to claim 12 enables a machine separation of the folded corrugated cardboard web.
  • the separation takes place in the region of a fold. It is advantageous if a separation occurs during a format change.
  • the at least one separating knife and the at least one counter-element according to claim 13 enable a clean and rapid separation of the corrugated cardboard web.
  • the at least one counter element virtually forms an abutment for the at least one separating knife.
  • the at least one separating knife can penetrate into the counter element.
  • the counter element preferably has a corresponding indentation recess. It is advantageous if the penetration recess is formed as a groove.
  • the penetration recess is open to the at least one separation blade favorably.
  • the at least one separating knife can be guided to separate the corrugated web along the fold, at which the separation is to take place. It is preferably designed as a circular knife. Other knife shapes or designs are alternatively possible.
  • the separating knife and the counter-element are movable relative to each other. They can thus be moved between a closed separation position and an open non-separation position.
  • a plant for folding and stacking an endless corrugated web 1 is in the Fig. 1 to 3 only indicated schematically.
  • the corrugated cardboard web 1 is conveyed in the system essentially in a conveying direction 2.
  • the plant comprises a corrugated board manufacturing device 3.
  • Such a corrugated cardboard manufacturing device 3 is used to produce the corrugated cardboard web 1 and is for example from the DE 103 12 600 A1 , to which reference is hereby known.
  • the corrugated board web 1, which can be produced by means of the corrugated board manufacturing device 3, can have a virtually unlimited number of layers.
  • the corrugated cardboard web 1 has a total thickness D.
  • the plant comprises, in addition to the corrugated board manufacturing device 3, also a squeezing device 4, a folding device 5, a separating device 6 and a stacking device 7.
  • the squeezing device 4 is located downstream of the corrugated cardboard manufacturing device.
  • Device 3 is arranged while the folding device 5 is provided downstream of the squeezing device 4.
  • the separation device 6 is in turn arranged downstream of the folding device 5. Downstream of the separation device 6 is the stacking device 7.
  • the squeezing device 4 is arranged on a first platform 8, which is connected via a first frame 9 fixed to the ground.
  • the stacking device 7 is connected via a second frame 10 fixed to the ground.
  • On the second frame 10 and the separation device 6 is attached.
  • the folding device 5 is connected via a third frame 11 to the first frame 9 and / or the second frame 10.
  • the racks 9, 10, 11 together form a holding framework for the system.
  • the holding framework enables a flexible, modular construction of the plant.
  • the squeezing device 4 has an insertion portion 12 with a support surface 13. In the region of the insertion portion 12, two insertion rollers 14 are arranged.
  • the insertion rollers 14 are cylindrical and each about an insertion roller axis, which is perpendicular or substantially perpendicular to the conveying direction 2, rotatable.
  • the introduction rollers 14 may in particular be rotationally drivable.
  • the squeezing device 4 comprises at least one pair of embossing rollers 15, which are each rotatable about an embossing roller axis.
  • the embossing rollers 15 are preferably not by means of one in the figures shown drive device rotatably drivable.
  • the drive is advantageously intermittently clocked.
  • the embossing roll axes are aligned parallel to one another and perpendicular or substantially perpendicular to the conveying direction 2. Like the infeed roll axes, they are arranged vertically one above the other. The distance between the stamping roller axes to each other is adjustable. Between the surfaces of the embossing rollers 15, a passage gap 16 is formed with a free opening.
  • the free opening of the lead-through gap 16 is at least as large as the thickness D of the corrugated cardboard web 1. It is preferably adapted to the thickness D of the corrugated cardboard web 1, that the embossing rollers 15 frictionally rest against the corrugated board web 1, the corrugated board web 1, however can pass without deformation between the embossing rollers 15.
  • the two embossing rollers 15 are formed at least largely identical. They have a circumference ranging from 80 cm to 140 cm.
  • the embossing rollers 15 each have at least one embossing element 17.
  • the embossing element 17 is bar-shaped and blunt. It has an extent in the radial direction of the respective embossing roller 15, that is perpendicular to the surface of the corresponding embossing roller 15, which is less than half of the free opening.
  • the embossing element 17 is formed continuously. However, it may also be rake-shaped, that is interrupted, be formed.
  • the embossing elements 17 are arranged on the circumference of the embossing rollers 15 such that they meet each other on each revolution of the embossing rollers 15 about the embossing roller axes.
  • the embossing elements 17 meet, the free opening of the lead-through gap 16 is reduced to a value which is smaller than the thickness D of the corrugated cardboard web 1.
  • the corrugated cardboard web 1 can thus be squeezed by means of the embossing elements 17.
  • Fig. 2 are the embossing elements 17 just in the lead-through gap 16. They are there opposite each other.
  • the embossing elements 17 are preferably aligned parallel to the embossing roll axes in order to emboss folds 18 in the corrugated cardboard web 1 which are perpendicular or substantially perpendicular to the conveying direction 2 and thus also perpendicular or substantially perpendicular to the longitudinal direction of the corrugated cardboard web 1 are oriented.
  • the distance between two successive folds 18 corresponds in one embodiment just to the circumference of the embossing rollers 15.
  • the folds 18 form predetermined kinks in the corrugated cardboard web 1, along which this is particularly easy foldable.
  • the corrugated cardboard web 1 in the region of the folds 18 has a smaller thickness and thus a lower flexural elasticity than in the region outside the fold 18. It can therefore buckle particularly easily in the region of the fold 18.
  • stamping rollers 15 it is possible to see only one of the stamping rollers 15 with a stamping element 17. In this case, no special requirements are to be placed on the circumference of the embossing roller 15 without embossing element 17. It is largely freely selectable and may be different in particular from the scope of the embossing roller 15 with embossing element 17.
  • embossing rollers 15 are provided, the circumference of which corresponds precisely to an integer multiple of the desired distance between two successive folds 18 in the corrugated cardboard web 1. Such embossing rollers 15 have a corresponding number of embossing elements 17 on their surface.
  • embossing elements 17 are evenly distributed over the circumference of the embossing rollers 15, that is, the angular distance between two adjacent embossing elements 17 is the same.
  • the embossing elements 17 are interchangeable. As a result, the distance between two successive folds 18 in the corrugated cardboard web 1, which corresponds to the circumference of the embossing rollers 15, can be adjusted in a simple manner.
  • the squeezing device 4 has an outlet section 19, which is provided downstream of the insertion section 12.
  • outlet rollers 20 with outlet roller axes are arranged, which run parallel to the introduction roller axles.
  • the outlet rollers 20 arranged underneath the corrugated cardboard web 1 can be part of a transport unit 21, which can have carriers 22 for supporting the outlet rollers 20
  • the folding device 5 Downstream of the squeezing device 4, that is downstream of this in the conveying direction 2, the folding device 5 is arranged.
  • the folding device 5 comprises a guide device 23, which has an input region 24.
  • the guide device 23 is in turn formed by two guide units 25, which are formed substantially identical and are arranged perpendicular to the conveying direction 2 adjacent to each other and spaced from each other.
  • Each guide unit 25 is formed by a plurality of rigid frame parts 26 which are fixedly connected to each other.
  • the frame parts 26 are arranged perpendicular to the conveying direction 2 next to each other and spaced from each other. They are essentially identical and are oriented vertically.
  • the frame 11 is fixed to the outer frame parts 26.
  • the guide device 23 has a lifting portion 27, which adjoins the input area 24 in the conveying direction 2.
  • the lifting portion 27 is disposed obliquely to a horizontal and thus extends in an inclined plane. It is arranged at an angle a to the horizontal.
  • the angle a is between 2 ° and 20 °, preferably between 5 ° and 15 °. Most preferably, the angle a is about 10 °.
  • the guide device 23 also has a depositing section 28, which adjoins the lifting section 27 in the conveying direction 2.
  • the depositing section 28 is formed like a bow. It is preferably formed as a circular arc, which extends over an angular range of about 90 ° to 130 °, preferably from 100 ° to 120 °, and most preferably includes an angle of 110 °.
  • the depositing section 28 rises on the upstream side even over a small area. In the remaining area of the depositing section 28, this is sloping in the conveying direction 2.
  • the guide device 23 has a return section 29 which connects downstream to the laying section 28 and upstream of the lifting section 27.
  • the return portion 29 extends substantially below the lifting portion 27 and the laying portion 28. It has a first return portion 30 and a second inclined return portion 31.
  • the return portion 30 closes downstream on the tray Section 28 and extends substantially horizontally, while the return portion 31 extends from the return portion 30 obliquely to the horizontal upward.
  • the frame parts 26 of the guide device 23 are formed corresponding to the section 27, 28, 29. They are each circumferentially closed.
  • the frame parts 26 of a guide unit 25 are connected by connecting pieces 32 firmly connected and summarized.
  • the connecting pieces 32 also provide for a spaced arrangement of the individual frame parts 26 of a guide unit 25 to each other. Between these frame parts 26 is in each case a preferably constant, horizontal distance.
  • a circulation element 33 is arranged in each case, which is formed circumferentially closed and is guided laterally by the corresponding frame parts 26.
  • the circulation elements 33 are thus endless. They are flexible or flexible. With n frame parts 26 per guide unit 25, 25 n-1 circulating elements 33 are provided per guide unit.
  • the circulation elements 33 of a guide unit 25 are separated from each other by the frame parts 26. Here, five circulation elements 33 per guide unit 25 are provided.
  • the circulation elements 33 run along the frame parts 26.
  • a plurality of guide elements are provided between the individual frame parts 26 of a guide unit 25, which are designed, for example, as rotatable rollers.
  • input guide elements 34 are provided in the input area 24.
  • the input guide members 34 are located between the lift-up portion 27 and the return portion 29.
  • the input guide members 34 of a guide unit 25 have a common input guide member axis perpendicular to the conveyor Direction 2 is oriented.
  • the depositing section 28 is a plurality of depositing guide elements 35 which sit on different, oriented perpendicular to the conveying direction 2 deposit guide element axes.
  • the laying guide elements 35 of a guide unit arranged on a laying guide element axis 25 are preferably rotatable independently of each other. Downstream of the depositing guide elements 35 deflecting elements 36 are provided between the depositing section 28 and the return section 29.
  • the deflection elements 36 of a guide unit 25 sit on a direction perpendicular to the conveying direction 2 deflecting element axis and are preferably independently rotatable. Between the return area 30 and the return area 31 there are further guide elements 37.
  • the guide elements 37 of a guide unit 25 sit in a common guide element axis perpendicular to the conveying direction 2 and are preferably independently rotatable.
  • the circulation elements 33 are each guided on the outside around the guide elements 34, 35, 36, 37, which determine the path of the circulation elements 33.
  • the circulation elements 33 On the circulation elements 33 a plurality of engagement elements are attached.
  • the number of engagement elements depends on the number of circulation elements 33. It corresponds to the number of circulation elements 33 per guide unit 25. In n circulation elements 33 per guide unit 25 so n engagement elements are provided. So here are a total of five engagement elements provided.
  • the engagement elements are each elongated. They extend perpendicular to the conveying direction 2 and extend substantially parallel to each other.
  • the engagement elements are each secured with their opposite longitudinal ends 43 to the circulation elements 33, which form a circulation element pair.
  • the guide elements 33 which are guided in the two guide units 25 between corresponding frame parts 26, each form a circulation element pair.
  • the first engagement element 38 is at the two innermost circulation Elements 33 of the guide units 25 attached. These two circulation elements 33 run adjacent to the two innermost frame parts 26 of the guide units 25. The innermost frame parts 26 face each other.
  • the engagement element 39 is attached to the two circulation elements 33 of the guide units 25 which are adjacent to the innermost circulation elements 33 of the guide units 25.
  • the engagement element 40 is fixedly connected to the central circulation elements 33 of the guide units 25.
  • the engagement member 42 is fixed to the outermost circulation elements 33 of the guide units 25.
  • the outermost circulation elements 33 run adjacent to the outermost frame parts 26 of the guide units 25.
  • the outermost frame parts 26 face away from each other.
  • the engagement member 41 is connected to the circulation members 33 disposed between the outermost circulation members 33 and the center circulation members 33 of the guide units 25.
  • the two innermost circulation elements 33 have a smaller distance from each other than the two outermost circulation elements 33.
  • the pairwise associated circulation elements 33 are respectively coupled to one another via the engagement elements 38 to 42.
  • the input guide elements 34 is associated with a drive means 44 for rotatably driving the same.
  • the drive device 44 comprises a plurality of drive belts 45 which synchronously drive the pairwise associated circulation elements 33.
  • separate drive devices 44 may also be provided.
  • the circulating element pairs are independently drivable or movable.
  • the folding device 5 further includes an elongate, rigid lay-down support member 46 disposed between the guide units 25.
  • the layup support member 46 extends between the two innermost frame parts 26. The longitudinal ends of the lay-up support member 46 are provided adjacent to the interface between the return areas 30, 31 of the guide units 25.
  • the depositing support member 46 is formed in a star shape. It comprises here three support-support arms 47 which run radially away from each other from a common center. Another number of stowage support arms 47 is also possible. For example, two, four, or five lay-support arms 47 may be used.
  • the lay-support arms 47 each have an identical angular distance from each other.
  • the depositing support member 46 is rotatably driven by a corresponding drive and extends perpendicular to the conveying direction. 2
  • the stacking device 7 is located substantially below the return section 30.
  • the separation device 6 is secured to the top of the frame 10 of the stacking device 7. It comprises a separating knife 48, which is designed as a circular knife and is rotatably driven via a separating knife drive 49.
  • the separating knife drive 49 is displaceable perpendicular to the conveying direction 2.
  • 10 corresponding guide rails 50 are provided on the frame, which extend perpendicular to the conveying direction 2 at the top of the frame 10 horizontally.
  • a hydraulic element or an electric drive can be used.
  • the separating device 6 further comprises a separating table 51 formed as a counter element, which is also provided on top of the frame 10.
  • the separation table 51 comprises on the front side a penetration recess 52 which extends over the entire width of the separation table 51 and is open towards the separation blade 48.
  • the separation table 51 is in its position horizontally displaceable.
  • a separating table drive 53 is assigned to the separating table 51, which can put the separating table 51 between a separating position and a non-separating position. In the release position, the separation knife 48 protrudes into the penetration recess 52. In the non-separation position, the separation blade 48 and the penetration recess 52 are spaced from each other.
  • the stacking device 7 further comprises a stacking table 54 which is mounted vertically adjustable in the frame 10.
  • the stacking table 54 has an upper support surface 55.
  • corrugated paperboard manufacturing device 3 is a corrugated cardboard web 1 according to one example of the DE 103 12 600 A1 produced by known methods.
  • one or more cover sheets are interconnected with one or more corrugated webs in a method known to those skilled in the corrugated board web 1, wherein with respect to the details on the DE 43 05 158 A1 is referenced.
  • the endless corrugated board web 1 coming from the corrugated cardboard manufacturing device 3 is then embossed in the squeezing device 4.
  • the corrugated cardboard web 1 is passed between the embossing rollers 15.
  • the two embossing elements 17 meet one another, so that in the region of the corrugated board web which is just located between the embossing elements 17 1 a fold 18 is impressed.
  • the drive of the embossing rollers 15 and / or the arrangement of the embossing elements 17 on these are precisely coordinated for this purpose.
  • the embossing elements 17 can be so be formed so that they form corresponding perforations in the corrugated cardboard web 1.
  • the corrugated cardboard web 1 is formed in the conveying direction 2 contiguous.
  • the corrugated board 1 has after the squeezing device 4, a plurality of folds 18 which are spaced from each other.
  • the folds 18 are arranged parallel to one another and run perpendicular or substantially perpendicular to the conveying direction 2.
  • the folded corrugated cardboard web 1 is transported to the folding device 5 in the conveying direction 2.
  • the folding device 5 may be preceded by a deflection table 56 whose table surface 57 increases in the conveying direction 2.
  • the corrugated cardboard web 1 is thus deflected by the table surface 57 from its original horizontal extent upwards or vertically.
  • the corrugated board 1 slides on top of the table surface 57th
  • the corrugated board web 1 then passes to the folding device 5.
  • the circulating elements 33 are continuously driven by the rotationally driven input guiding elements 34. They are driven in such a way that they have a common circulation direction.
  • the circulation direction of the circulation elements 33 in the region of the lifting section 27 substantially coincides with the conveying direction 2.
  • the circulation direction of the circulation elements 33 is substantially opposite to the conveying direction 2.
  • the engagement elements 38 to 42 fastened to the circulation elements 33 are guided accordingly.
  • the circulation elements 33 can be accelerated or decelerated at any time in order to be able to influence the folding progress of the corrugated cardboard web 1. It then enters a relative movement between these accelerated and delayed circulating elements 33.
  • the corrugated cardboard web 1 enters the guide device 23 via the input area 24.
  • the circulation elements 33 are driven in such a way by the drive device 44 and the input guide elements 34, that in each case one engagement element 38 to 42 in the lifting area 27 from below on each second fold 18 in the conveying direction. 2 meets.
  • the engagement elements 38 to 42 thus come from below in the lifting area 27 with the corrugated cardboard web 1 in engagement. They meet in the lifting area 27 in the conveying direction 2 on every second fold 18 with a maximum tolerance of 10 cm, in particular of a maximum of 5 cm, in particular of a maximum of 3 cm.
  • the corrugated cardboard web 1 is partially guided by the engagement elements 38 to 42 between the guide units 25, which have a corresponding distance from each other. It is taken by the engagement elements 38 to 42.
  • the corrugated cardboard sheet 1 is further raised along the lifting portion 27 by the engaging members 38 to 42.
  • the circulation elements 33 and the engagement elements 38 to 42 gain in height in the lifting section 27. The same applies to the corrugated cardboard web 1, which extends in the lifting portion 27 obliquely to the horizontal.
  • the corrugated cardboard web 1 is further lifted by the engagement elements 38 to 42.
  • the circulation elements 33 run accordingly.
  • the engagement elements 38 to 42 have their maximum height.
  • the apex area are the ones to one there located fold 18 adjacent areas of the corrugated cardboard web 1 substantially vertically oriented.
  • the corrugated cardboard web 1 After a vertex of the guide device 23, the corrugated cardboard web 1 is quasi folded or folded in the depositing section 28.
  • the circulation elements 33 then lose their height in the depositing section 28.
  • the circulation elements 33 and the engagement elements 38 to 42 describe there an arcuate path.
  • the regions of the corrugated cardboard web 1 adjacent to the respective fold 18 continue to approach one another.
  • the areas adjacent to the respective fold 18 substantially abut one another and run horizontally.
  • the corrugated board web 1 has a height attitude smaller than the height attitude of the corrugated board web 1 in the squeezing means 4.
  • the engagement elements 38 to 42 then pass out of engagement with the folded corrugated web 1 after the lay-off section 28 in the return section 30. They are then guided via the return section 29 back to the lifting section 27, so that a continuous Circulation of the engagement elements 38 to 42 is guaranteed.
  • the support-support element 46 gives the corrugated cardboard web 1 in the region of the free folds 18 an exact Fold-over point in front. There, the folding of the corrugated cardboard web 1 is supported by the support-support arms 47.
  • the layup support member 46 partially stops the free folds 18. Likewise, the free folds 18 are guided in the direction of the depositing section 28.
  • the corrugated cardboard web 1 folded in a leporello-like manner along the fold 18 is then stacked in the form of a stack 58 in the stacking device 7.
  • the stack 58 is there on the support surface 55 of the stacking table 54. With increasing height of the stack 58, the stacking table 54 is moved down.
  • the folded corrugated cardboard web 1 can be cut or separated transversely to the conveying direction 2.
  • the separating knife 48 is to be put into rotation via the separating knife drive 49 and introduced into the corrugated cardboard web 1.
  • the separating table 51 is to be brought from its non-separating position into its separating position, so that the rotating separating knife 48 can penetrate through the corrugated cardboard web 1 into the penetration recess 52 of the separating table 51 and so a counter Element for the separating knife 48 forms.
  • the separating knife 48 is then to be moved along a fold 18 over the entire width of the corrugated cardboard web 1.
  • the distance of the engagement elements 38 to 42 is also to be adjusted to each other.
  • the circulating element pairs have to be controlled individually. There then occur during the format change on relative movements between the circulation element pairs.
  • the format change can be done while the system is running.
  • the folding device 5 can be adjusted by machine to the changed distance of the folds 18.
  • the engagement elements 38 to 42 are always mutually spaced apart in order to influence the folding process continuously through the circulation path.
  • this adjustment takes place in a more extreme manner, that is, the distance of the engagement elements 38 to 42 is firstly adapted to the new format, and secondly, the distance is adapted to the respective folding progress, what is dependent on the position of the engagement element 38 to 42 on the circulating path.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
EP11174201.1A 2010-07-22 2011-07-15 Installation de pliage et d'agrafage pour bandes de carton ondulé Active EP2409939B2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010031668A DE102010031668B4 (de) 2010-07-22 2010-07-22 Falt - Anlage für Wellpappebahnen

Publications (3)

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EP11174201.1A Active EP2409939B2 (fr) 2010-07-22 2011-07-15 Installation de pliage et d'agrafage pour bandes de carton ondulé

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IT202100012926A1 (it) 2021-05-19 2022-11-19 Int Boxes Srl Un sistema per formare e piegare a ventaglio un materiale laminare nonche' suo metodo d'uso

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ITUD20120036A1 (it) * 2012-03-06 2013-09-07 Panotec Srl Macchina automatizzata per piegare a zig-zag ed impilare un nastro cordonato di materiale sufficientemente rigido
CN112707227B (zh) * 2021-01-08 2024-05-10 浙江新元创自动化设备股份有限公司 一种折纸机
US20240253941A1 (en) * 2021-05-19 2024-08-01 International Boxes S.R.L. A system and a method for stacking a fanfolded continuous web of sheet material

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US5058872A (en) * 1989-08-08 1991-10-22 Didde Web Press Corp. Chain cam
DE4305158A1 (de) 1993-02-19 1994-08-25 Bhs Corr Masch & Anlagenbau Wellpappenmaschine, insbesondere zur Herstellung einseitiger Wellpappe
DE10306212A1 (de) 2003-02-13 2004-08-26 Hermann Hötten Maschinenbau GmbH Verfahren und Vorrichtung zur Leporellofaltung von Endlosbahnen
DE10312600A1 (de) 2003-03-21 2004-10-07 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Wellpappe-Anlage sowie Verfahren zur Herstellung von Wellpappe-Bögen

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US4210318A (en) * 1978-05-24 1980-07-01 Ga-Vehren Engineering Company Fan folding and stacking device
US6071223A (en) * 1997-11-13 2000-06-06 Pentax Technologies Corporation System for directing a leading edge of continuous form paper onto a stack
US7008364B2 (en) * 2002-09-27 2006-03-07 C.G. Bretting Manufacturing Company, Inc. Sheet folding apparatus and method
DE102008025888A1 (de) * 2008-05-29 2009-12-24 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Falteinrichtung

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US2604984A (en) * 1949-03-18 1952-07-29 Seaboard Container Corp Fan-folded stack of corrugated board for tubular containers
US5058872A (en) * 1989-08-08 1991-10-22 Didde Web Press Corp. Chain cam
DE4305158A1 (de) 1993-02-19 1994-08-25 Bhs Corr Masch & Anlagenbau Wellpappenmaschine, insbesondere zur Herstellung einseitiger Wellpappe
DE10306212A1 (de) 2003-02-13 2004-08-26 Hermann Hötten Maschinenbau GmbH Verfahren und Vorrichtung zur Leporellofaltung von Endlosbahnen
DE10312600A1 (de) 2003-03-21 2004-10-07 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Wellpappe-Anlage sowie Verfahren zur Herstellung von Wellpappe-Bögen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202100012926A1 (it) 2021-05-19 2022-11-19 Int Boxes Srl Un sistema per formare e piegare a ventaglio un materiale laminare nonche' suo metodo d'uso

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US20120021886A1 (en) 2012-01-26
ES2399615T5 (es) 2021-11-08
EP2409939B2 (fr) 2021-04-21
US9216877B2 (en) 2015-12-22
DE102010031668B4 (de) 2012-08-02
DE102010031668A1 (de) 2012-01-26
EP2409939B1 (fr) 2012-12-05
ES2399615T3 (es) 2013-04-02

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