EP3590851B1 - Dispositif et procédé d'empilement de produits pliés - Google Patents

Dispositif et procédé d'empilement de produits pliés Download PDF

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Publication number
EP3590851B1
EP3590851B1 EP18181110.0A EP18181110A EP3590851B1 EP 3590851 B1 EP3590851 B1 EP 3590851B1 EP 18181110 A EP18181110 A EP 18181110A EP 3590851 B1 EP3590851 B1 EP 3590851B1
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EP
European Patent Office
Prior art keywords
folded
folded products
transport direction
stack
bristles
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.)
Active
Application number
EP18181110.0A
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German (de)
English (en)
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EP3590851A1 (fr
Inventor
Witali Richert
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.)
H+H GmbH and Co KG
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H+H GmbH and Co KG
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Priority to EP18181110.0A priority Critical patent/EP3590851B1/fr
Publication of EP3590851A1 publication Critical patent/EP3590851A1/fr
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Publication of EP3590851B1 publication Critical patent/EP3590851B1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
    • B65B35/30—Arranging and feeding articles in groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/14—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
    • B65B5/10—Filling containers or receptacles progressively or in stages by introducing successive articles, or layers of articles

Definitions

  • the present invention relates to a device and a method for stacking folded products, in particular package inserts such as inserts or outserts for pharmaceutical products.
  • Folded products are enclosed with many products, especially pharmaceutical products, in the form of package inserts that contain information on the pharmaceutical product and its use. Folded products of this type are either placed loosely with the packaged pharmaceutical product in an outer packaging or fixed directly to the container of the pharmaceutical product. The folded products are usually folded several times by a folding machine and fixed by gluing if necessary. Semi-finished or finished folded products are packed as stacks in receptacles, e.g. in the form of trays or boxes. These receptacles filled with folded products are then delivered to the manufacturer of the pharmaceutical products in order to enclose them with the pharmaceutical products there.
  • Devices for handling stacks of folded products are known, for example DE 86 11 717 U1 , U.S. 2012 102892 A1 or U.S. 5,601,396 known.
  • conveying means in the area of stack formation, can act on both sides of the last folded products of the stack, which contribute to moving the stack away from the stack formation point in a conveying direction.
  • the conveying means can be provided with a hair-like or brush-like material on the side that comes into contact with the folded products.
  • the invention is therefore based on the object of providing a device for stacking folded products that is optimized in terms of time expenditure and degree of automation, as well as a method for stacking folded products that is optimized in this respect.
  • a device for stacking folded products comprises the features of claim 1.
  • the brushes have bristles that extend from the guides into the stacking area. If a folded product is inserted between the guide devices, this deforms the bristles, which thereby exert a restoring force on the folded product. This restoring force of the bristles achieves a clamping effect on the folded product, whereby the folded product is held in its upright position, while at the same time the folded product can be displaced in a transport direction when further folded products are fed into the stacking area.
  • the rigidity of the bristles can be designed in such a way that the bristles enable the folded products to be reliably supported and at the same time to be moved easily and without damage.
  • folded products After folding, folded products, in particular outserts, generally have an essentially cuboid shape, with the edges of the cuboid on which the folded edges of the folded product are located being more or less rounded.
  • the length and the width of a substantially cuboid folded product are usually greater than the thickness. The length and the width thus define two base areas of the folded product, which are significantly larger than the other side areas.
  • the base surfaces of the folded products extend essentially perpendicularly to a support surface on which the folded products are arranged and form a front or rear side of the folded products in the transport direction.
  • a position of the folded products is referred to as an upright position.
  • the stacks of folded products are formed on a substantially horizontal support surface.
  • the bases then extend in a substantially vertical plane.
  • the device further comprises at least one conveyor device for conveying the stacked folded products into a discharge area of the packaging machine along an in a transport direction aligned transport path, wherein the guide devices extend parallel to the transport direction and face each other in a first direction transverse to the transport direction, one of the two guide devices being arranged on one side of the transport path in order to guide the folded products laterally along the transport path.
  • the at least one conveyor device enables the stacked folded products to be conveyed into a delivery area in which a stack of folded products can be packed into a receptacle. Because the guiding devices extend from the stacking area to the delivery area, the advantages of the brushes of the guiding devices can be used in the entire range of movement.
  • the distance between two opposing guide devices in the first direction can be adjusted transversely to the transport direction. This allows the distance between the guide devices to be adjusted to different formats of folded products.
  • Each guiding device preferably has a plurality of brushes which are arranged one after the other parallel to the transport direction. It can be preferred if the brushes in the stacking area have greater rigidity and/or are shorter than the brushes in the delivery area.
  • each guide device comprises at least one support structure to which the at least one brush is attached.
  • the at least one brush is particularly preferably detachably connected to the carrier structure. This allows the brushes to be easily replaced. This can be necessary, for example, due to wear on the brushes or to adapt the brush size or properties to the folded products to be stacked, in particular to their format or material properties.
  • Each brush has a body and a plurality of bristles connected to the body, preferably arranged in a plurality of bristle tufts. Furthermore, the bristles are preferably arranged in a plurality of rows on the body, the rows being arranged one above the other in a second direction, which is oriented transversely to the transport direction and transversely to the first direction, and extend parallel to the transport direction.
  • Such brushes are easily and inexpensively available and are particularly suitable for forming the guide devices.
  • the bristles are inclined relative to the body at an angle in the transport direction defined between a side surface of the body to which the bristles are connected and a longitudinal axis of the bristles, and preferably between 45° and 85°, more preferably between 70° and is 80°.
  • the inclination of the bristles in the transport direction allows the folded products to be easily displaced in the transport direction, while at the same time ensuring a sufficient clamping effect on the folded products to hold them in their upright position and to support them along the transport path.
  • the body is formed from plastic, more preferably from polyvinyl chloride (PVC) or polyamide (PA).
  • PVC polyvinyl chloride
  • PA polyamide
  • the body can be produced easily and inexpensively and has a low weight.
  • the body can be formed of metal or wood.
  • the bristles are preferably formed from horsehair. Alternatively, the bristles may be formed from other natural materials such as animal hair, plastic or wire.
  • the bristles are sufficiently stiff to exert a clamping effect on the folded products caused by their restoring force when deformed by the folded products, which is sufficient to hold the folded products in their upright position in the stacking area and when shifted in the transport direction. At the same time, the rigidity of these bristles is sufficiently low to offer little resistance to the shifting of the folded products in the direction of transport and thus to enable shifting along the direction of transport.
  • the method according to the invention for stacking folded products comprises the steps according to claim 11.
  • the device comprises a feed device 2 for feeding of folded products in a stacking area 4.
  • the feeding device 2 preferably follows directly to a folding device (not shown) for folding folded products 6 or forms its outlet.
  • a stack 7 of folded products 6 is formed from individual folded products 6 .
  • the stack 7 of folded products 6, which forms a partial stack of a final complete stack 8, is then moved along a transport path from the stacking area 4 to a collection area 11 promoted, in which the sub-stacks 7 are lined up to form the stack 8. From there the stack 8 is conveyed to a delivery area 10 .
  • the stack 8 is moved from the delivery area 10 into a receptacle 36 by means of a displacement device 12 (see FIG Figures 7 and 8 ) postponed.
  • a first guide device 14 and a second guide device 16 are arranged opposite one another in a first direction, so that they form the stacking area 4 between them.
  • the guide devices 14, 16 receive the folded products 6 fed from the feed device 2 between them.
  • the guide devices 14, 16 extend from the stacking area 4 to the delivery area 10 in order to guide and support the folded products 6 along the transport path.
  • FIG. 2 to 4 Sections of the device at an outlet 22 of the feeding device 2 are shown in a cross-sectional view.
  • the stacking area 4 is located at the output 22 of the feed device 2 .
  • the feed device 2 feeds individual, successive folded products 6 to the stacking area 4 .
  • the feed device 2 comprises a first conveyor belt 18 and a second conveyor belt 20.
  • the first and second conveyor belts 18, 20 are arranged adjacent to one another in sections, so that a folded product 6 is placed between a belt section of the first conveyor belt 18 and a belt section of the second Conveyor belt 20 is recorded and promoted lying.
  • the person skilled in the art is also aware of alternative feeding or conveying devices for folded products, which can be provided instead of the feeding device 2 .
  • a folded product 6 emerges from the feed device 2 at the outlet 22 of the feed device 2 .
  • the folded product 6 leaves the gap between the first and the second conveyor belt 18, 20 at the outlet 22.
  • the feed device 2 deflects the folded products 6 in such a way that the folded products 6 are fed to the stacking area 4 from above.
  • the first and the second conveyor belt 18, 20 preferably describe a curve which tends increasingly downwards in the conveying direction of the folded products 6 of the feed device 2.
  • a leading folded product 6 is initially received in an upright position between the first and the second guide device 14, 16.
  • a restraining element 25, here in the form of a spring plate, can also be provided in order to support the stack 7 to be formed from above and to prevent the folded products 6 from tipping over to the front.
  • a pressure roller 35 can provide counter-pressure.
  • a base surface of the folded product 6 directed in a transport direction T forms a front side 6a and an opposite base surface of the folded product directed counter to the transport direction T forms a rear side 6b.
  • the first and second guide devices 14, 16 can be movable in the first direction transversely to the transport direction T in order to adjust the distance between the guide devices 14, 16 in the first direction.
  • the transport direction T and the first direction are preferably aligned essentially horizontally.
  • a stack 7 of folded products 6 is formed in the stacking area 4 by repeatedly feeding a folded product 6 into the stacking area 4, picking up the folded product 6 between the guide devices 14, 16 and the associated displacement of the at least one leading folded product 6 in the transport direction T.
  • a plurality of folded products 6 are arranged in an upright position in the transport direction T one behind the other in the stacking area 4 and the stack 7 of folded products 6 is thereby formed. While the folded products 6 are being picked up between the guide devices 14, 16 and during the shifting of the folded products 6 in the transport direction T, the folded products 6 are supported by the guide devices 14, 16.
  • a following folded product 6 enters the stacking area 4 at an angle relative to at least one preceding folded product 6 and in doing so displaces the at least one preceding folded product 6 in the transport direction T.
  • the first and second conveyor belts 18 , 20 at the outlet 22 of the feed device 2 are aligned at a slight angle with respect to the folded products 6 standing upright in the stacking area 4 .
  • a following folded product 6 with a leading edge 6c hits a rear side 6b of a preceding folded product 6 facing the following folded product 6 of the preceding folded product 6 and the front side 6a of the following folded product 6 forms an acute angle ⁇ .
  • the following folded product 6 is thus reliably arranged behind the at least one preceding folded product 6 without tilting with it.
  • the at least one preceding folded product 6 is displaced in the transport direction T as soon as the following folded product 6 hits its rear side 6b.
  • the device comprises a feed device 32 for conveying partial stacks 7 formed in the stacking area 4 to a collecting area 11, which is described in more detail below.
  • the device also includes a conveying device 24 for conveying a finished stack 8 of folded products 6 from the collecting area 11 to the delivery area 10.
  • the stack 8 is complete as soon as it comprises a predetermined number of folded products 6.
  • the finished stack 8 consists of a plurality of partial stacks 7.
  • the folded products 6 are conveyed in the feed device 32 and in the conveying device 24 along a transport path 26 aligned in the transport direction T.
  • the conveyor device 24 can be moved parallel to the transport direction T in a direction T1. In the illustrated embodiment, the conveyor device 24 can also be moved in a direction V1 transverse to the transport direction T. The direction V1 is preferably aligned vertically.
  • the conveyor device 24 comprises a first delimiting element 28 which can be moved in and out of the transport path 26 in direction V1.
  • the first delimiting element 28 is used to grasp a last folded product 6 of a stack 8 and preferably lies flat against the rear side 6b of this folded product.
  • a second delimiting element 30 can be provided, which can be moved transversely to the transport direction T in a direction V2.
  • the direction V2 is preferably aligned parallel to the direction V1 and vertically.
  • the second delimiting element 30 forms the downstream delimitation of the delivery area 10 in the transport direction T when the conveyor device 24 moves the stack 8 into the delivery area 10 promotes. If the stack 8 is arranged in the delivery area 10, the first delimiting element 28 forms the delimitation of the delivery area 10 upstream in the transport direction and the stack 8 is accommodated between the first and the second delimiting element 28, 30.
  • the feed device 32 already mentioned above can be moved in a direction T2 parallel to the transport direction T and in a direction V3 transverse to the transport direction T.
  • the direction V3 is preferably oriented parallel to the directions V1 and V2 and vertically.
  • at least part of the feed device 32 protrudes through an opening in the support surface 40 on which the stack 7 rests.
  • the feed device 32 comprises a slide 34.
  • the slide 34 is arranged in the stacking area 4 upstream of the stack 7 of folded products 6 formed in the stacking area 4.
  • FIG. The slide 34 is used to grasp a last folded product 6 of a stack 7 and preferably rests flat on the rear side 6b of this folded product 6 .
  • the feed device 32 conveys the stack 7 in the transport direction T along the transport path 26, as shown in FIG 2 can be seen, up to the collection area 11, where the complete stack 8 is formed.
  • a stack 7 is a partial stack and includes a predetermined number of folded products 6 that is smaller than the predetermined number of folded products 6 of a finished stack 8 in the collecting area 11 .
  • the feed device 32 feeds the partial stacks 7 far enough for them to be reached by the first delimiting element 28 .
  • the feed device 32 repeats this until a plurality of partial stacks 7 forms a complete stack 8 .
  • the first delimiting element 28 is then moved into the transport path 26 ( 6 ) and the conveying device 24 conveys the stack 8 further into the delivery area 10 ( 7 ).
  • the feed device 32 moves back to its starting position upstream of the stacking area 4. If a new stack 7 of folded products 6 is already being formed in the stacking area 4 while the feed device 32 is not yet in its starting position, the feed device 32 is out of the transport path in direction V3 26 to move out and moves back to its starting position at a distance from the stacking area 4 .
  • the conveyor device 24 can also take over the partial stacks 7 from the feed device 32 and push them further into the collecting area 11 .
  • the first delimiting element 28 runs through a circulating, repeating path for each partial stack 7.
  • the feed device 32 can also be omitted.
  • a complete stack 8 is then formed in the stacking area 4 and the conveyor device 24 conveys the complete stack 8 of folded products 6 from the stacking area 4 directly to the delivery area 10.
  • the conveyor device 24 can be moved counter to the transport direction T so far that the first Limiting element 28 is located behind the last folded product 6 of the complete stack 8 of folded products 6 in the stacking area 4 in the transport direction T.
  • the first delimiting element 28 is then moved into the stacking area 4 so that it rests against the rear side 6b of the last folded product 6 in the stack 8 .
  • the stack 8 of folded products 6 is moved in the transport direction T along the transport path 26 to the delivery area 10 .
  • the feed device 32 can also convey the partial stacks 7 to the delivery area 10 and form the complete stack 8 there. Then the conveyor device 24 can be omitted. However, the delimiting element 28 must continue to be movable in the vertical direction out of the transport path 26 in order to allow the partial stacks 7 to pass through.
  • each partial stack 7 is conveyed to the same point in the collection area 11, where it abuts the last of the other partial stacks 7 that may already be present, and the partial stacks 7 that are already present continue in the transport direction T moves.
  • the complete stack 8 of folded products 6 is placed in the delivery area 10 in the vicinity of a seat 36, preferably above the seat 36.
  • the stack 8 is preferably between the first and the second delimiting element 28, 30 added, which limit the stack 8 in the transport direction T on both sides.
  • the first and the second limiting element 28, 30 compress the stack 8 in the transport direction T in such a way that its length in the transport direction T is slightly smaller than the internal dimensions of the receptacle 36 parallel to the transport direction T.
  • the delimiting elements 28, 30 can preferably be moved at least slightly in or counter to the transport direction T.
  • the receptacle 36 is preferably a tray, packaging in the form of a box or other receiving means for stacks 8 of folded products 6.
  • the receptacle 36 serves to receive a complete stack 8 of upright folded products 6 at the same time and to pack them for transport.
  • the receptacle 36 is sufficiently rigid to protect the folded products 6 from external influences, such as impacts, during transport.
  • the receptacle 36 is preferably cuboid in order to enable space-saving storage and transport.
  • the length of the receptacle 36 parallel to the transport direction T is preferably between 300 mm and 1,200 mm.
  • the width of the receptacle 36 transversely to the transport direction T is preferably between 25 mm and 220 mm. In any case, the size of the receptacle 36 must be adapted to the dimensions of the folded products 6 to be packaged.
  • the folded products 6 preferably have a base area on the front or back 6a, 6b, the minimum dimensions of which are 29 mm ⁇ 29 mm and the maximum dimensions of which are 220 ⁇ 105 mm.
  • the thickness of the folded products 6 is preferably between 1 and 20 mm. It goes without saying that the dimensions of the folded products 6 and the receptacle 36 can be adapted as desired to the requirements at hand.
  • the receptacle 36 is stored in the system 1 so that it can be removed.
  • the mounting (not shown) is designed in such a way that the receptacle 36 is always arranged in a defined position relative to the delivery area 10 .
  • a receptacle 36 filled with a stack 8 of folded products 6 can be removed and a new, empty receptacle 36 can be inserted manually.
  • the removal and insertion of a recording 36 can also be automated.
  • the system 1 also includes a displacement device 12 for displacing a stack 8 of folded products 6 transversely to the transport direction T into the receptacle 36.
  • the displacement device 12 can be moved in a direction V4 transversely to the transport direction T for this purpose.
  • the displacement device 12 is arranged at a distance from the delivery area 10 and comprises a plunger 38.
  • the plunger 38 extends in the transport direction T preferably along the entire stack 8 of folded products 6 when the stack 8 is arranged in the delivery area 10.
  • the first and the second limiting element 28, 30 compress the stack 8 so firmly in the transport direction T that the stack 8 can also be displaced transversely to the transport direction T if the stamp 38 is not completely along the stack 8 extends.
  • the first and the second delimiting element 28, 30 extend partially in the transport direction T along the stack 8 and in this way together with the stamp 38 form a common contact surface for the stack 8.
  • the displacement device 12 it is also possible for the displacement device 12 to be formed only by the first and the second delimiting element 28 , 30 .
  • the displacement device 12 is preferably only moved in the direction V4 after the stack 8 has been conveyed into the delivery area 10 until it rests against the stack 8 of folded products 6 .
  • the direction V4 is aligned vertically
  • the stack 8 is located in the delivery area 10 below the plunger 38 and the receptacle 36 is in turn arranged below the delivery area 10 and the stack 8 .
  • the direction V4 can also be aligned horizontally transversely to the transport direction T and the displacement device 12 and the receptacle 36 can be arranged accordingly such that the displacement device 12 shifts the stack 8 horizontally transversely to the transport direction T into the receptacle 36.
  • one of the lateral guide devices 14, 16 would have to be moved or pivoted out of the sliding path for a short time.
  • the stack 8 of folded products 6 is finally shifted transversely to the transport direction T from the delivery area 10 into the receptacle 36 by means of the shifting device 12.
  • the shifting device 12 is moved transversely to the transport direction T until the stack 8, with one narrow side of the upright standing Folded products 6 ahead, is fully accommodated in the receptacle 36.
  • a stack 8 fills the entire receptacle 36 .
  • the first and the second delimiting element 28, 30 move transversely to the transport direction T at the same time. This ensures that the stack 8 maintains its length parallel to the transport direction T while it is being displaced by the displacement device 12 .
  • the folded products 6 of the stack 8 are not impeded by the edges of the receptacle 36 when they are pushed into the receptacle 36 .
  • the first and the second delimiting element 28, 30 and the stamp 38 can be moved back in the opposite direction. It is preferable for the first and the second delimiting element 28, 30 to be moved out of the receptacle 36 first, so that the plunger 38 holds the stack 8 back during this process. This prevents individual folded products 6 from being pulled out of the receptacle 36 when the first and second delimiting elements 28, 30 are pulled out. Once the first and second delimiting elements 28, 30 are removed from the receptacle 36, the plunger 38 can also be withdrawn. The receptacle 36 loaded with folded products 6 is removed. A new, empty receptacle 36 is to be arranged at a corresponding distance from the dispensing area 10 .
  • a support surface 40 supports the folded products 6 from below.
  • the support surface 40 preferably extends from the stacking area 4 to the discharge area 10.
  • the support surface 40 is formed by two support elements 39, which release the stack 8 perpendicular to the transport direction T before the stack 8 is displaced into the receptacle 36 (see Figures 9 and 10 ).
  • These support elements 39 are preferably designed as L-angles, one leg of which protrudes downwards.
  • the support elements 39 can be displaced laterally outwards from the dispensing area 10 in order to form an opening in the support surface 40 .
  • the shifting device 12 can then shift the stack 8 of folded products 6 perpendicularly to the transport direction T into the receptacle 36 .
  • the lower legs of the support elements 39 also spread the receptacle 36 laterally.
  • the first and the second delimiting element 28, 30 each have an opening 29 or recess in a preferred embodiment.
  • This opening 29 can be a through-opening which extends completely through the respective delimiting element 28, 30.
  • the opening 29 can be designed as a recess of any contour, which is completely surrounded by the respective limiting element 28 , 30 .
  • the opening can also extend in the form of a recess from an edge of the respective delimiting element 28, 30, so that the delimiting element 28, 30, as in 9 shown, has a plurality of webs which extend along the respective recess.
  • the opening 29 is designed as a recess in a side face of the respective delimiting element 28, 30 that faces the dispensing area 10.
  • the plunger 38 extends in the transport direction T from the first delimiting element 28 to the second delimiting element 30 and into the opening in the first and in the second delimiting element 28, 30 respectively.
  • the stamp 38 extends in the transport direction T through the first and the second limiting element 28 and 30, as in FIGS Figures 5 and 6 can be seen. This ensures that the displacement device 12 or the stamp 38 also fully engages the folded products 6 of the stack 8 which are directly adjacent to the delimiting elements 28, 30. If the openings in the delimiting elements 28, 30 are designed as recesses in an edge of the delimiting elements 28, 30 that faces the receptacle 36, this enables the delimiting elements 28, 30 to be completely removed from the receptacle 36 while the displacement device 12 is attached to the stack 8 remains attached.
  • each of these components or devices has a suitable drive.
  • These drives are preferably formed by pneumatic or hydraulic cylinders or by servomotors. These are particularly easy to integrate into the overall machine and easy to control.
  • the single ones Drives can be coupled to one another or can be controlled independently of one another. Depending on the requirements, suitable drives must be selected by a specialist.
  • the guide devices 14, 16 face each other, form between them the stacking area 4 and are adapted to receive and support the folded products 6 fed in succession from the feeding device 2 to form a stack 7, 8 of upright folded products 6 between them.
  • the guide devices 14, 16 extend parallel to the transport direction T and are opposite one another in a first direction transverse to the transport direction T, with one guide device 14, 16 being arranged on one side of the transport path 26 in order to guide the folded products 6 laterally along the transport path 26 to lead.
  • the two guide devices 14, 16 extend linearly from the stacking area 8 to the delivery area 10.
  • Each guide device 14 , 16 has a brush 42 on a side of the guide device 14 , 16 facing the stacking area 4 .
  • An embodiment of such a brush is in Figures 11a and 11b shown.
  • each guide device 14, 16 comprises at least one support structure 44 (see Figures 1 and 2 ) to which the brushes 42 are connected.
  • the brushes 42 are preferably detachably connected to the support structure 44, for example screwed.
  • each guide device 14, 16 has a plurality of brushes 42, which are arranged parallel to the transport direction T in succession along the respective guide device 14, 16.
  • the guide devices 14, 16 can be constructed in a modular manner and can be adapted as desired to the given requirements. For example, it is advantageous if the brushes 42 in the stacking area 4 (on the right in 4 ) have a greater rigidity and/or a shorter length than in the delivery area 10 or in the further course of the guide devices 14, 16 (on the left in 4 ).
  • each brush 42 includes a body 46 and a plurality of bristles 48 connected to the body 46 and preferably arranged in a plurality of bristle tufts 50 .
  • the bristles 48 are preferably arranged in a plurality of rows 49a, 49b, 49c.
  • the brushes 42 are arranged on the carrier structures 44 in such a way that the bristles 48 extend into the stacking area 4 or into the transport path 26 .
  • the rows 49a, 49b, 49c are then arranged one above the other in a second direction, which is aligned transversely to the transport direction T and transversely to the first direction.
  • the second direction is oriented substantially vertically.
  • the rows 49a, 49b, 49c extend parallel to the transport direction T.
  • two adjacent rows 49a, 49b, 49c of bristles 48 are arranged offset to one another in the transport direction T.
  • a folded product 6 If a folded product 6 is arranged between two opposing brushes 42, it elastically deforms the bristles 48 resting on the folded product 6. Due to the restoring force inherent in the bristles 48 in their initial position, the bristles 48 in this state cause a clamping effect on the folded product 6 and support it laterally. Due to the flexibility of the bristles 48, the folded products 6 or the partial stack 7 or stack 8 of folded products 6 can still be moved in the transport direction T, while the clamping effect of the respective adjacent bristles 48 of the brushes 42 continues to act on the folded products 6.
  • the bristles 48 advantageously have a rigidity sufficient to hold and support the folded products 6. At the same time, the rigidity of the bristles 48 is sufficiently low to enable the folded products 6 to be displaced in the transport direction T without damaging them.
  • the bristles 48 are preferably inclined with respect to the body 46 by an angle ⁇ in the transport direction T.
  • the angle ⁇ is defined between a side surface 52 of the body 46 to which the bristles 48 are connected and a longitudinal axis of the bristles 48 and is preferably between 45° and 85°, more preferably between 70° and 80°. This also ensures that the bristles 48 incline in a predetermined direction when a folded product 6 is inserted between two opposite brushes 42 .
  • the bristles 48 are formed from horsehair.
  • horsehair bristles 48 have a suitable rigidity and protect the folded products 6 during their transport along the transport path 26, so that the folded products 6 are not damaged.
  • the bristles 48 but also be formed from other natural materials, in particular animal hair, plastic or wire.
  • the body 46 of the brushes 42 is preferably formed from a plastic such as polyvinyl chloride (PVC) or polyamide (PA).
  • PVC polyvinyl chloride
  • PA polyamide
  • the body 46 can then be produced in a particularly simple and cost-effective manner and has a low weight.
  • the body 46 can be formed from other materials such as wood or metal.
  • the body 46 preferably has threaded bores 54 therein.
  • the brushes 42 can then be bolted to the support structure 44 .
  • alternative connecting means for releasably connecting the brushes 42 to the support structure 44 are known to those skilled in the art and may be used at will.
  • the brush 42 shown is an exemplary embodiment in which the distance A between two adjoining bundles of bristles 50 in the transport direction T is between 2 mm and 10 mm, preferably between 4 mm and 6 mm.
  • the distance B between two adjacent rows 49a, 49b, 49c of bristles 48 transversely to the transport direction T is also between 2 mm and 10 mm, preferably between 4 mm and 6 mm.
  • the brush 42 has between three and ten rows 49a, 49b, 49c of bristles 48, even more preferably between five and eight rows 49a, 49b, 49c of bristles 48.
  • the working width C of the brush 42 is defined as the distance between the outermost rows 49a and 49c of bristles 48 in a direction transverse to the transport direction T and is preferably 10 mm to 50 mm, more preferably 20 mm to 30 mm. It goes without saying that the working width C must be adapted to the format of the folded products 6 .
  • the fiber height H of the bristles 48 is defined perpendicular to the side surface 52 of the body 46 and is preferably between 5 mm and 50 mm, more preferably between 15 mm and 25 mm. Alternative dimensions are conceivable and can be selected by a person skilled in the art according to the requirements in the individual case.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)

Claims (11)

  1. Dispositif d'empilement de produits pliés (6), comprenant :
    un dispositif d'acheminement (2) servant à l'acheminement de produits pliés (6) individuels successifs dans une région d'empilement (4) au niveau d'une sortie (22) du dispositif d'acheminement (2) ;
    deux dispositifs de guidage (14, 16) qui sont en regard l'un de l'autre, qui forment la région d'empilement (4) entre eux et qui sont conçus pour recevoir entre eux et pour supporter des produits pliés (6) acheminés successivement par le dispositif d'acheminement (2) pour la formation d'un empilement (7, 8) de produits pliés (6) verticaux ;
    au moins un dispositif de convoyage (24) servant au convoyage des produits pliés (6) empilés dans une région de distribution (10) du dispositif (1) le long d'un trajet de transport (26) orienté dans une direction de transport (T) ;
    les dispositifs de guidage (14, 16) s'étendant parallèlement à la direction de transport (T) et étant en regard l'un de l'autre dans une première direction transversale à la direction de transport (T), l'un des deux dispositifs de guidage (14, 16) étant disposé respectivement sur un côté du trajet de transport (26), afin de guider latéralement les produits pliés (6) le long du trajet de transport (26) ;
    les dispositifs de guidage (14, 16) s'étendant à partir de la région d'empilement (4) jusqu'à la région de distribution (10), afin de guider et de supporter les produits pliés (6) le long du trajet de transport (26) ; chaque dispositif de guidage (14, 16) présentant une brosse (42) sur un côté du dispositif de guidage (14, 16) tourné vers la région d'empilement (4).
  2. Dispositif selon la revendication 1, caractérisé en ce que chaque dispositif de guidage (14, 16) présente une pluralité de brosses (42) qui sont disposées successivement parallèlement à la direction de transport (T) .
  3. Dispositif selon la revendication 2, caractérisé en ce que les brosses (42) dans la région d'empilement (4) présentent une plus grande rigidité et/ou sont plus courtes que les brosses dans la région de distribution (10).
  4. Dispositif selon l'une des revendications précédentes, caractérisé en ce que chaque dispositif de guidage (14, 16) comprend au moins une structure porteuse (44) à laquelle la brosse ou les brosses (42) est ou sont fixée(s).
  5. Dispositif selon la revendication 4, caractérisé en ce que chaque brosse (42) est reliée à la structure porteuse (44) de manière libérable.
  6. Dispositif selon l'une des revendications précédentes, caractérisé en ce que chaque brosse (42) présente un corps (46) et une pluralité de poils (48) reliés au corps (46), lesquels poils sont disposés de préférence en une pluralité de faisceaux de poils (50).
  7. Dispositif selon la revendication 6, caractérisé en ce que les poils (48) sont disposés en une pluralité de rangées (49a, 49b, 49c) sur le corps (46), les rangées (49a, 49b, 49c) étant superposées dans une deuxième direction qui est orientée transversalement à la direction de transport (T) et transversalement à la première direction, et s'étendant parallèlement à la direction de transport (T).
  8. Dispositif selon la revendication 6 ou 7, caractérisé en ce que les poils (48) sont inclinés par rapport au corps (46) d'un angle (β) dans la direction de transport (T), lequel angle est défini entre une surface latérale (52) du corps (46), auquel les poils (48) sont reliés, et un axe longitudinal des poils (48) et vaut de préférence entre 45° et 85°, plus préférentiellement entre 70° et 80°.
  9. Dispositif selon l'une des revendications 6 à 8, caractérisé en ce que le corps (46) est formé à partir de matière synthétique, de préférence à partir de polychlorure de vinyle (PVC) ou de polyamide (PA).
  10. Dispositif selon l'une des revendications 6 à 9, caractérisé en ce que les poils (48) sont formés à partir de crin.
  11. Procédé d'empilement de produits pliés (6) à l'aide d'un dispositif selon l'une des revendications précédentes, présentant les étapes suivantes :
    a) acheminement d'un produit plié (6) antérieur dans la région d'empilement (4) au moyen du dispositif d'acheminement (2) ;
    b) réception du produit plié (6) antérieur en position dressée entre les deux dispositifs de guidage (14, 16) qui sont en regard l'un de l'autre et forment la région d'empilement (4) entre eux;
    c) déplacement du produit plié (6) antérieur entre les dispositifs de guidage (14, 16) dans la direction de transport (T) par acheminement d'un produit plié (6) suivant dans la région d'empilement (4) et réception du produit plié (6) suivant entre les dispositifs de guidage (14, 16) et derrière le produit plié (6) antérieur dans la direction de transport (T) ;
    d) répétition des étapes a) à c) et ainsi formation de l'empilement (7, 8) de produits pliés (6) dans la région d'empilement (4) ;
    les produits pliés (6) dans la région d'empilement (4) étant supportés au moyen des dispositifs de guidage (14, 16) pendant la réception des produits pliés (6) et pendant le déplacement des produits pliés (6) dans la direction de transport (T).
EP18181110.0A 2018-07-02 2018-07-02 Dispositif et procédé d'empilement de produits pliés Active EP3590851B1 (fr)

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EP18181110.0A EP3590851B1 (fr) 2018-07-02 2018-07-02 Dispositif et procédé d'empilement de produits pliés

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EP3590851B1 true EP3590851B1 (fr) 2022-11-02

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4772003A (en) * 1987-02-24 1988-09-20 Dainihon Insatsu Kabushiki Kaisha Apparatus for stacking signatures or the like
US5601396A (en) * 1994-10-10 1997-02-11 Ferag Ag Method and device for manipulating stacked flat articles
US20120102892A1 (en) * 2009-05-18 2012-05-03 Sigma Engineering B.V. Method and device for packaging substantially flat products in a box

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8611717U1 (de) * 1986-04-29 1986-10-02 Stahl Gmbh & Co Maschinenfabrik, 7140 Ludwigsburg Bogenstapelvorrichtung zur Herstellung einer gebündelten Stange aus Papierbogen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4772003A (en) * 1987-02-24 1988-09-20 Dainihon Insatsu Kabushiki Kaisha Apparatus for stacking signatures or the like
US5601396A (en) * 1994-10-10 1997-02-11 Ferag Ag Method and device for manipulating stacked flat articles
US20120102892A1 (en) * 2009-05-18 2012-05-03 Sigma Engineering B.V. Method and device for packaging substantially flat products in a box

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