EP2822885B1 - Automated machine to fold in a zigzag manner and stack a creased tape made of a sufficiently rigid material - Google Patents

Automated machine to fold in a zigzag manner and stack a creased tape made of a sufficiently rigid material Download PDF

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Publication number
EP2822885B1
EP2822885B1 EP13720014.3A EP13720014A EP2822885B1 EP 2822885 B1 EP2822885 B1 EP 2822885B1 EP 13720014 A EP13720014 A EP 13720014A EP 2822885 B1 EP2822885 B1 EP 2822885B1
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EP
European Patent Office
Prior art keywords
creased tape
machine
tape
creased
folding
Prior art date
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Active
Application number
EP13720014.3A
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German (de)
English (en)
French (fr)
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EP2822885A1 (en
Inventor
Giuseppe Capoia
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.)
Panotec SRL
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Panotec SRL
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Publication of EP2822885A1 publication Critical patent/EP2822885A1/en
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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
    • 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
    • B65H31/00—Pile receivers
    • B65H31/04—Pile receivers with movable end support arranged to recede as pile accumulates
    • B65H31/08—Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled one above another
    • B65H31/10—Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled one above another and applied at the top of the 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
    • 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
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard
    • 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
    • B65H45/107—Folding webs transversely in combination with laying, i.e. forming a zig-zag pile by means of swinging or reciprocating guide bars

Definitions

  • the present invention concerns an automated machine to fold in a zigzag manner and stack a tape made of a sufficiently rigid material, that is, with a rigidity so that it does not easily deform, such as for example cardboard, plastic or materials with a thickness and consistency which have similar characteristics of rigidity and provided with a plurality of transverse creasings that are equidistant from each other by a determinate pitch.
  • the machine according to the present invention is applied for example downstream of a continuous production plant of cardboard in sheets of ample width, even more than 3 m, and with high productivity, that is, more than 3.3 m/sec (about 200 m/min).
  • folding machines In the field of packing or packaging, folding machines are known, used to fold in a zigzag manner a creased tape, typically made of cardboard, along its creasings and to stack it in a zigzag manner to form suitable stacks of determinate sizes, which are then stored for subsequent workings for packing boxes of different sizes.
  • the distance between two successive creasings is defined as the "pitch" of the tape to be folded, which can be equal to or more than 2,500 mm.
  • a known folding machine is described in the Italian patent for industrial invention N° 1.374.280 granted to the Applicant on 11.02.2008 .
  • This known folding machine comprises a folding device with rotating arms suitable to fold each of the segments of the tape with respect to the adjacent one along the transverse creasings, and to stack it toward a collection container.
  • the folding device comprises four parallel pairs of main arms, of the same length and disposed in a cross, which rotate together around a central axis of rotation in a determinate direction, consistent with the direction of feed of the tape to be folded.
  • a parallel pair of secondary arms is pivoted, of a lesser length than that of the main arms and rotatable in an opposite direction to that of the latter.
  • each of the four folding rods is disposed, parallel to the main axis of rotation and therefore transverse to the direction of feed of the tape to be folded.
  • the secondary arms receive their motion from the main arms with a transmission ratio such that each pair of secondary arms completes two revolutions around their own pins, while the main arms complete one revolution around the central axis.
  • each of the four folding rods describes a substantially elliptical trajectory in space.
  • the length of the main arms and that of the secondary arms and their speeds of rotation are such that each of the folding rods intercepts the tape to be folded every two creasings of the latter, that is every two pitches. In this way, each folding rod lifts the tape to be folded in correspondence to alternate creasings, while the tape itself is lowered in correspondence with the creasings intermediate to those contacted by a folding rod, folding the tape in a zigzag development.
  • the major axis of the elliptical trajectory is substantially transverse to the direction of feed of the tape to be folded, which is inclined by about 25° downward with respect to a horizontal plane, and the collection container has a first part, disposed immediately downstream of the folding device, substantially aligned with the direction of feed of the tape to be folded upstream of the folding device.
  • One purpose of the present invention is to obtain an automated machine which is able to fold in a zigzag manner and stack a creased tape of sufficiently rigid material, which advances at high speed, even more than 3.3 m/sec, which is very reliable and which guarantees continuous functioning, in order to be located, for example, downstream of a continuous production plant of said creased tape.
  • the machine according to the present invention must also be able to treat the product which exits still hot and damp from the production plant, without making it less reliable and precise in folding and stacking.
  • Another purpose of the present invention is to obtain a machine which is able to produce stacks or piles of tape folded in a zigzag manner which can be discharged without needing to stop the work cycle.
  • the Applicant has devised, tested and embodied the present invention to overcome the shortcomings of the state of the art and to obtain these and other purposes and advantages.
  • an automated machine to fold in a zigzag manner and stack a creased tape made of a sufficiently rigid material and provided with a plurality of transverse creasings equidistant from each other which overcomes the limits of the state of the art and eliminates the defects therein, comprises feed means suitable to feed the creased tape in a determinate direction of feed toward a folding device of the rotary type suitable to fold it in a zigzag manner and to convey it toward collection means;
  • the folding device is of the type which comprises four parallel pairs of main arms, having the same length and disposed in a cross, which rotate in a direction of rotation consistent with the direction of feed of the creased tape around a central axis of rotation orthogonal to the latter, four corresponding parallel pairs of secondary arms, pivoted to the peripheral ends of the main arms, toward the inside thereof and rotatable in the opposite direction to the latter, and four folding rods pivoted to the peripheral ends of the secondary arms, so that each of the four folding rods
  • the major axis of the trajectory is substantially horizontal and the central stacking axis of the collection means is substantially vertical, that is, parallel to the minor axis of the trajectory.
  • the feed means comprise a terminal slide positioned in proximity to the folding device so that the direction of feed of the creased tape intersects the trajectory in a fourth quadrant of the latter; moreover the collection means are positioned so that their central stacking axis intersects the trajectory in a second quadrant of the latter, opposite the fourth quadrant with respect to the central axis of rotation of the folding device.
  • a horizontal support plane is disposed above the collection means and is suitable to support, temporarily and selectively, the beginning of the stack, also called pre-stack, of the creased tape during the steps of removing the stack previously formed in the collection means.
  • an interception element disposed between the folding device and the collection means, which element is movable between a first operating position in which it is suitable to intercept the head of the creased tape coming from the feed means, and a second operating position not interfering with the creased tape.
  • cutting means are provided to selectively cut the creased tape even without stopping the functioning of the folding device.
  • the cutting means comprise two horizontal shutters, opposite each other and each movable between an open position, in which they are retracted with respect to the zone of passage of the creased tape, and an operating position, in which they are suitable to pinch the creased tape so that it can be cut on the fly by a cutting unit mounted on the lower part of one of the two shutters.
  • a machine 10 is suitable to fold and stack in a zigzag manner a creased tape 11 ( figs. 2 and 3 ) made of a material, for example cardboard, with a thickness of about 3 mm to about 8 mm and therefore sufficiently rigid, that is, so that it does not deform easily.
  • a creased tape 11 made of a material, for example cardboard, with a thickness of about 3 mm to about 8 mm and therefore sufficiently rigid, that is, so that it does not deform easily.
  • the creased tape 11 has a maximum width of about 3,000 mm and is provided with transverse creasings 12 at intervals to each other by a determinate constant pitch P ( fig. 4 ), which can be predetermined and which is indicatively comprised between about 600 mm and about 2,500 mm.
  • the pitch P is 1,150 mm, which is one of the standard measurements in the field of boxes for packaging.
  • the machine 10 comprises a fixed metal structure 13 ( fig. 1 ) or frame, in the upper part of which a feed unit 15 is mounted, suitable to feed forward continuously the creased tape 11, arriving for example directly from a production plant of the known type and not shown in the drawings, at a determinate very high speed of advance V, even higher than 3.3 m/sec, which corresponds to more than 200 m/min.
  • the feed unit 15 comprises, in its end part, a plurality of feed rolls 16 and a comb-shaped terminal slide 18, which is inclined downward by an angle ⁇ ( fig. 2 ), adjustable and comprised between about 9° and about 20°, with respect to a horizontal plane and defines the direction of feed of the creased tape 11.
  • a folding device 20 Downstream of the feed unit 15 a folding device 20 ( figs. 1 and 2 ) is disposed, suitable to fold in a zigzag manner the creased tape 11 along its transverse creasings 12 ( fig. 3 ).
  • the folding device 20, which will be described in detail hereafter, is similar to the one described in the above mentioned Italian patent for industrial invention N° 1.374.280 even though it contains new and original technical characteristics compared thereto, which will be shown hereafter and which have solved the technical problems of the known machine in a surprising way.
  • a collection device 50 ( figs. 1 , 2 , 3 and 10 ) is disposed, suitable to vertically convey the creased tape 11 folded in a zigzag manner, in order to stack it and form a continuous pile, or stack, with a determinate height, for example 1,000-1,200 mm.
  • the collection device 50 will also be described in detail hereafter.
  • the folding device 20 ( figs. 1 , 2 and 3 ) comprise four parallel pairs of main arms , respectively 21, 22, 23 and 24, of the same length and disposed in a cross, which are attached to a central bar 25 rotating in a clockwise direction, that is, consistent with the direction of feed of the creased tape 11, around a central axis of rotation Z, by means of an electric motor 30 mounted on the frame 13.
  • a corresponding parallel pair of secondary arms 31, 32, 33 and respectively 34 are pivoted on pins 26, 27, 28 and respectively 29, the secondary arms being shorter than the main arms 21, 22, 23 and 24 and rotatable in an opposite direction to the latter, that is, in an anti-clockwise direction.
  • a folding rod 41, 42, 43 and respectively 44 is disposed, parallel to the central axis of rotation Z and therefore transverse to the direction of feed of the creased tape 11.
  • the radius R1 ( fig. 2 ) of the main arms 21, 22, 23 and 24, between the central axis of rotation Z and the axis of each pin 26, 27, 28, and 29 is substantially equal to pitch P, or a little less than it (for example 1,130 mm).
  • the peripheral speed of the pins 26-29 is proportional to the speed of advance V of the creased tape 11, and in this case, slightly less than it, for example 1/5 less than V.
  • the radius R2 of the secondary arms 31, 32, 33 and 34 is instead less than half the radius R1 and, in this case, about 430 mm.
  • the secondary arms 31, 32, 33 and 34 receive motion from the rotation of the main arms 21, 22, 23 and 24, by means of two pairs of chains with rolls 36 and 37, engaging with two corresponding pairs of fixed toothed wheels 38 and 39, coaxial to the central axis of rotation Z.
  • the transmission ratio between the pairs of fixed toothed wheels 38 and 39 and those keyed onto the pins 26, 27, 28 and 29 is 2:1, which means that each pair of secondary arms 31, 32, 33 and 34 completes two revolutions around the respective pins 26, 27, 28 and 29, while the main arms 21, 22, 23 and 24 perform one complete revolution around the central axis of rotation Z.
  • each of the four folding rods 41, 42, 43 and 44 describes a substantially elliptical trajectory T in space.
  • the major axis X of the latter is horizontal, or substantially horizontal
  • the minor axis Y is vertical, or substantially vertical.
  • the lower end of the terminal slide 18 is disposed in a position very near to the fourth quadrant of the trajectory T and almost tangent to it, so that the direction of feed of the creased tape 11 intersects the trajectory T exactly in the fourth quadrant of the latter.
  • each of the folding rods 41, 42, 43 and 44 is able to intercept the creased tape 11 every two creasings 12 of the latter, that is every two pitches P.
  • each folding rod 41, 42, 43 and 44 is able to fold the creased tape 11, thrusting it toward the outside, in correspondence to alternate creasings 12, while the creased tape 11 itself, because of the particular movement of the folding rods 41, 42, 43 and 44 is subjected to folding toward the inside in correspondence to the creasings 12 intermediate to those contacted by each folding rod 41, 42, 43 and 44. Consequently, the creased tape 11 can be folded in an alternate direction, assuming the desired zigzag development.
  • the timing of the main arms 21, 22, 23 and 24 with respect to the secondary arms 31, 32, 33 and 34 is essential and decisive to obtain a zigzag folding which is reliable and constant over time, even at high speeds (more than 3 m/sec) and also with very wide creased tapes (wider than 3 m).
  • This timing provides that two opposite folding rods, for example 42 and 44, must be on the major axis X and face toward the outside when the corresponding main arms and opposite secondary arms, for example 22 and 24, respectively 32 and 34, are also aligned with the major axis X, while at the same time the other two folding rods for example 41 and 43 must be on the minor axis Y and face toward the inside, when the corresponding main and secondary arms, for example 21 and 23, respectively 31 and 33, are also aligned with the minor axis Y.
  • Figs. 3 to 8 show the different operating steps of the folding device 20, which will be described in detail hereafter.
  • the collection device 50 ( fig. 1 ) comprises a horizontal support plane 51, vertically mobile between two vertical containing sides 52 and 53 ( fig. 10 ) of the fixed structure 13, which define a stacking chamber 54, by means of a second electric motor 55.
  • the vertical axis W passing through the center of the stacking chamber 54 defines the stacking axis of the collection device 50 and intersects the trajectory T in a second quadrant of the latter, opposite the fourth quadrant of the same trajectory T with respect to the central axis of rotation Z of the folding device 20.
  • a conveyor belt 56 ( fig. 1 ) is mounted on the support plane 51, for example of the rolling shutter type, on which the pile or stack that the creased tape 11 forms after having been folded by the folding device 20 is suitable to rest.
  • the conveyor belt 56 is selectively drivable by a third electric motor 57 to laterally discharge the pile of creased tape 11 folded in a zigzag manner, when the support plane 51 is in its lowest position (shown with a dotted line in fig. 10 ).
  • the collection device 50 also comprises, in its upper part, two lateral walls 58 and 59 ( fig. 10 ) disposed opposite one another and on the side where the creasings 12 of the creased tape 11 are when it is folded in a zigzag manner.
  • a motorized mechanism 60 is associated to each of the two lateral walls 58 and 59, able to make them oscillate with respect to corresponding horizontal pins 61.
  • Three compressed air ejector units 62 ( fig. 2 ), of the known type and not described in detail, are disposed one above the folding device 20, in correspondence to the first quadrant of the trajectory T, about 50 cm therefrom, one inside the interception element 65, and one inside the lateral wall 59 of the collection device 50.
  • the three ejector units 62 are suitable to work in pulses, timed with the angular position of the folding device 20 to promote the folding and stacking of the creased tape 11.
  • the machine 10 comprises an interception element 65 ( figs. 2 and 3 ) formed by a series of parallel bars, suitable to act as a first-start plane for the creased tape 11, and mobile between a first operating position, shown in fig. 2 , in which it is substantially interposed between the folding device 20 and the collection device 50, in order to intercept the head of the creased tape 11 which is arriving from the feed unit 15, and a second operating position, shown in fig. 3 , in which it is displaced on one side and in an almost vertical position, in order not to interfere with the creased tape 11.
  • interception element 65 is attached to an arched structure 66 sliding on rollers 68 mounted rotatable on the fixed structure 13 and is commanded by a pair of fluid-dynamic pistons 69.
  • a comb-shaped horizontal support 70 is disposed, which is suitable to temporarily support the stack of creased tape 11 which is forming, during the step of removing the stack previously formed in the collection device 50.
  • the horizontal support 70 is mobile both horizontally, by means of a first movement mechanism 71 commanded by a fourth electric motor 72, between a forward position ( figs. 2 and 3 ) and a retracted position ( fig. 10 ), and also vertically, by means of a second movement mechanism 73 commanded by a fifth electric motor 75, between a raised position and a lowered position (both shown with a dotted line in fig. 10 ).
  • the details of the movement mechanisms 71 and 73 are easily understandable by a person of skill in the art and are not described in detail here.
  • the machine 10 also comprises a cutting device 80 ( fig. 10 ) disposed under the folding device 20 and above the collection device 50, in order to selectively cut the creased tape 11, for example when the stack in the collection device 50 has reached a desired height.
  • a cutting device 80 fig. 10
  • the cutting device 80 ( fig. 11 ) comprises two horizontal shutters 81, 82, opposite each other, ending with two wedges slightly offset with respect to each other and each mobile between an open position ( figs. 3 to 8 ), in which they are retracted with respect to the passage area of the tape 11, and an operating position ( fig. 9 ) in which they pinch the creased tape 11 in order to cut it under them.
  • the cutting device 80 also comprises a cutting unit 83, mounted on the lower part of the shutters 82 (on the right in fig. 2 ) and in turn comprising a rotating blade 85 ( figs. 11, 12 and 13 ) and a counter roller 86 provided with a circumferential groove 88, in which the peripheral edge of the rotating blade 85 is partly housed, and which defines a matrix which facilitates the cutting of the creased tape 11.
  • a cutting unit 83 mounted on the lower part of the shutters 82 (on the right in fig. 2 ) and in turn comprising a rotating blade 85 ( figs. 11, 12 and 13 ) and a counter roller 86 provided with a circumferential groove 88, in which the peripheral edge of the rotating blade 85 is partly housed, and which defines a matrix which facilitates the cutting of the creased tape 11.
  • the rotating blade 85 and the counter roller 86 are mounted rotatable on a slider 89 sliding on a guide 90 attached to the shutter 82 in a transverse direction to the direction of feed of the creased tape 11, that is, in the direction indicated by the arrow A in figs. 12 and 13 .
  • the translation motion of the slider 89 from a lateral inactive position ( fig. 12 ), outside the bulk of the creased tape 11, as far as an opposite operating end, after having crossed, cutting it, the creased tape 11 for its entire length, and back, is carried out by a sixth electric motor 91 by means of a transmission belt 92.
  • the rotation of the rotating blade 85 is on the other hand achieved by the same translation motion of the slider 89, by means of a toothed belt 93, with its heads attached to the shutter 82 and engaging with a toothed pinion 95 ( fig. 13 ) mounted rotatable on the slider 89 coaxial with and solid to the rotating blade 85.
  • a toothed pinion 95 ( fig. 13 ) mounted rotatable on the slider 89 coaxial with and solid to the rotating blade 85.
  • Two small rollers 96 also mounted rotatable on the slider 89 and disposed at the sides of the toothed pinion 95, parallel to it, cooperate with the back of the toothed belt 93, thus ensuring that the latter engages with the toothed pinion 95.
  • the machine 10 as described heretofore functions as follows.
  • the machine 10 When the method to fold the creased tape 11 in a zigzag manner is started, the machine 10 is in the initial operating position shown in figs. 1 and 2 , with the interception element 65 in the operating position in order to intercept the head of the creased tape 11 and therefore closing the access to the collection device 50 below, with the horizontal support 70 in a high and forward position, with the shutter 81 (on the left in fig. 2 ) forward and with the shutter 82 (on the right in fig. 2 ) retracted.
  • the interception element 65 When the head of the creased tape 11 reaches the interception element 65, the latter is moved by the fluid-dynamic pistons 69 into its inactive position, which corresponds to a first operating folding position, shown in fig. 3 , and it remains there until the folding process is ended.
  • the shutter 81 is also retracted, while the horizontal support 70 remains in the forward position and begins to gradually descend, by means of the second movement mechanism 73, as the stack (the pre-stack) of the creased tape 11 progressively forms.
  • the main arm 21 is inclined by an angle ⁇ , about 30°, in advance with respect to the minor axis Y of the trajectory T, with the corresponding folding rod 41 ready to intercept the transverse creasing 12 which is arriving from the terminal slide 18.
  • a second operating folding position ( fig. 4 ) after a rotation by 15° of the folding device 20 in a clockwise direction, that is, when the angle ⁇ is about 15° in advance with respect to the minor axis Y of the trajectory T, the folding rod 41 has just contacted the creased tape 11 and begins to fold it upward in correspondence to the corresponding transverse creasing 12.
  • the folding device 20 continues to rotate in a clockwise direction, takes the main arm 21, in sequence, first into a third operating folding position ( fig. 5 ), in which it is aligned with the minor axis Y of the trajectory T, then into a fourth operating folding position ( fig. 6 ), in which angle ⁇ is about 15° behind with respect to the minor axis Y of the trajectory T, then into a fifth operating folding position ( fig. 7 ), in which angle ⁇ is about 30° behind with respect to the minor axis Y of the trajectory T, and finally into a sixth operating folding position ( fig. 8 ), in which angle ⁇ is about 45° behind with respect to the minor axis Y of the trajectory T.
  • the main arm 24 adjacent to it is inclined by an angle of 45° in advance with respect to the minor axis Y of the trajectory T, ready to intercept the creased tape 11 in proximity to another transverse creasing 12, after another rotation of 15°, when this too will be in the first operating folding position as described above.
  • every folding rod 41-44 because of its own satellite-type motion, varies its speed with respect to the creased tape 11, so that in a first sector, which begins from the first operating folding position ( fig. 3 ) and ends after a rotation of 90° (position in which the folding rod 42 is in fig. 3 ), the folding rod 41-44 rotates at a speed substantially equal to the speed of advance V of the creased tape 11, and then progressively diminishes to zero, when it is in its horizontal position between the first and the second quadrant of the trajectory T. Then the speed of the folding rod 41-44 progressively increases until it arrives in a third sector (offset by 180° with respect to the first sector).
  • each folding rod 41-44 contacts the creased tape 11 in correspondence to one of its transverse creasings 12, it accompanies it at the same speed V for all of the first sector, then slows down and zeroes its relative speed, and then accelerates to let the creased tape fall, already folded, into the stack below.
  • the motorized mechanisms 60 are driven in order to oscillate the lateral walls 58 and 59 with respect to their horizontal pins 61.
  • the two shutters 81 and 82 are made to advance one toward the other and taken to the operating cutting position shown in figs. 9 and 11 , so that the creased tape 11 remains pinched between their wedged ends.
  • the cutting device 80 is then activated and in particular the electric motor 91, which by means of the transmission belts 92 makes the slider 89 translate transversely to the creased tape 11, which is thus held between the counter roller 86 and the rotating blade 85 and cut by the latter in a few seconds.
  • the slider 89 after carrying out the complete outward travel and cutting the creased tape 11, is kept in that position, outside the transverse bulk of the creased tape 11; the horizontal shutters 81 and 82 are then drawback toward their position shown in fig. 3 , in order to immediately allow the normal flow of the creased tape 11 toward the collection device 50.
  • the slider 89 is then returned to its initial position ( fig. 12 ), remaining outside the transverse bulk of the creased tape 11 for the whole of the return travel.
  • the conveyor belt 56 is driven ( figs. 1 and 10 ) of the collection device 50 in order to discharge the stack toward conveying means of the known type and not shown in the drawings.
  • the horizontal support 70 is returned to its initial position, at the top and forward ( fig. 3 ), that is, below the creased tape 11 which has just been cut, so that the folding cycle described above can be repeated.
  • the support plane 51 is returned to its raised position, to be ready to receive another pre-stack of creased tape 11 which in the meantime is forming on the horizontal support 70, thus ensuring the continuous functioning of the machine 10, without having to stop the folding device 20.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Sewing Machines And Sewing (AREA)
EP13720014.3A 2012-03-06 2013-03-05 Automated machine to fold in a zigzag manner and stack a creased tape made of a sufficiently rigid material Active EP2822885B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000036A ITUD20120036A1 (it) 2012-03-06 2012-03-06 Macchina automatizzata per piegare a zig-zag ed impilare un nastro cordonato di materiale sufficientemente rigido
PCT/IB2013/000532 WO2013132325A1 (en) 2012-03-06 2013-03-05 Automated machine to fold in a zigzag manner and stack a creased tape made of a sufficiently rigid material

Publications (2)

Publication Number Publication Date
EP2822885A1 EP2822885A1 (en) 2015-01-14
EP2822885B1 true EP2822885B1 (en) 2016-03-02

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Application Number Title Priority Date Filing Date
EP13720014.3A Active EP2822885B1 (en) 2012-03-06 2013-03-05 Automated machine to fold in a zigzag manner and stack a creased tape made of a sufficiently rigid material

Country Status (9)

Country Link
US (1) US20140378288A1 (ja)
EP (1) EP2822885B1 (ja)
JP (1) JP6108184B2 (ja)
CN (1) CN104520221B (ja)
CA (1) CA2866487C (ja)
ES (1) ES2574435T3 (ja)
IT (1) ITUD20120036A1 (ja)
RU (1) RU2622333C2 (ja)
WO (1) WO2013132325A1 (ja)

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Publication number Priority date Publication date Assignee Title
WO2018098557A1 (en) * 2016-11-28 2018-06-07 Langen Packaging Inc. Apparatus and method for folding a chain of containers
CN109502401B (zh) * 2018-12-18 2023-10-20 佛山市宝索机械制造有限公司 折叠纸材的分叠装置、折叠机和分叠方法
WO2020246163A1 (ja) * 2019-06-05 2020-12-10 王子ホールディングス株式会社 ダンボール材およびこれを用いたダンボール箱
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JP6697613B1 (ja) * 2019-06-05 2020-05-20 王子ホールディングス株式会社 ダンボール材およびこれを用いたダンボール箱
JP6697616B1 (ja) * 2019-06-05 2020-05-20 王子ホールディングス株式会社 ダンボール材およびこれを用いたダンボール箱
JP6697617B1 (ja) * 2019-06-05 2020-05-20 王子ホールディングス株式会社 ダンボール材およびこれを用いたダンボール箱
JP6697614B1 (ja) * 2019-06-05 2020-05-20 王子ホールディングス株式会社 ダンボール材およびこれを用いたダンボール箱
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JP6801808B1 (ja) * 2020-03-31 2020-12-16 王子ホールディングス株式会社 ダンボール材およびこれを用いたダンボール箱
JP6801807B1 (ja) * 2020-03-31 2020-12-16 王子ホールディングス株式会社 ダンボール材およびこれを用いたダンボール箱
JP6813114B2 (ja) * 2020-04-23 2021-01-13 王子ホールディングス株式会社 ダンボール材およびこれを用いたダンボール箱
JP6813112B2 (ja) * 2020-04-23 2021-01-13 王子ホールディングス株式会社 ダンボール材およびこれを用いたダンボール箱
JP6813116B2 (ja) * 2020-04-23 2021-01-13 王子ホールディングス株式会社 ダンボール材およびこれを用いたダンボール箱
JP6813113B2 (ja) * 2020-04-23 2021-01-13 王子ホールディングス株式会社 ダンボール材およびこれを用いたダンボール箱
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JP6108184B2 (ja) 2017-04-05
ES2574435T3 (es) 2016-06-17
EP2822885A1 (en) 2015-01-14
CN104520221A (zh) 2015-04-15
JP2015509473A (ja) 2015-03-30
WO2013132325A1 (en) 2013-09-12
CA2866487C (en) 2018-09-18
RU2014140233A (ru) 2016-04-27
CN104520221B (zh) 2017-03-08
CA2866487A1 (en) 2013-09-12
RU2622333C2 (ru) 2017-06-14
US20140378288A1 (en) 2014-12-25

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