EP0618138B1 - Dispositif de formation de paquets tubulaires portables de produits imprimés - Google Patents

Dispositif de formation de paquets tubulaires portables de produits imprimés Download PDF

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Publication number
EP0618138B1
EP0618138B1 EP94102955A EP94102955A EP0618138B1 EP 0618138 B1 EP0618138 B1 EP 0618138B1 EP 94102955 A EP94102955 A EP 94102955A EP 94102955 A EP94102955 A EP 94102955A EP 0618138 B1 EP0618138 B1 EP 0618138B1
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EP
European Patent Office
Prior art keywords
printed product
conveyor
fingers
axis
rotation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP94102955A
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German (de)
English (en)
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EP0618138A1 (fr
Inventor
Willem Franciscus Sylvester M. Van Wegen
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Ferag AG
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Ferag AG
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Publication date
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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
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/14—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
    • B65B25/146—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form packaging rolled-up articles

Definitions

  • the present invention relates to a device for producing portable, tubular packages, each from at least one printed product, in particular a newspaper or magazine, and a holding element, according to the preamble of claim 1.
  • a device having the features of the preamble of claim 1 is known from US-A-4,748,793. It has a stub shaft which can be rotated about its longitudinal axis and from which two fingers protrude in the axial direction.
  • the longitudinal axes of the fingers are located in an axis plane together with the horizontal axis of rotation running between them. At a standstill, this runs in the vertical direction, so that the printed product to be processed can be inserted between the fingers by hand in an approximately horizontal direction.
  • the printed product, a newspaper is brought into contact with its edge opposite the fold against a stop parallel to the longitudinal axis, so that on the other side of the axis plane the printed product protrudes over the fingers with a narrow edge area.
  • a counter element is arranged below the fingers and has pressure rollers running parallel to the axis of rotation.
  • the fingers are rotated about the axis of rotation, so that after half a turn the printed product is bent around the one finger facing the counter element and with its, facing the fold End region lies flat on the top of the part of the printed product facing the stop.
  • a delivery device for feeding a film-like holding element is located above the fingers. This has a pivotably mounted feed arm which introduces the edge section of a film web unwound from a supply roll into the gap between the mutually facing parts of the printed product, which has already been partially rolled.
  • the film web is then rolled up together with the printed product, a desired tensile stress being built up and maintained in the film via a pair of dancer rolls.
  • the roll is further wrapped with the film web and when the feed arm is swung back, the film web is severed by means of a heating wire, so that the rolled-up end section forms a sleeve for the printed product.
  • the pressure rollers which press the newspaper against the fingers when rolling, are pivoted away from the package and this is pulled off the winding mandrel in the axial direction by hand. This known device requires manual operation and a considerable amount of time to produce the package.
  • EP-A-0 313 781 and the corresponding US-A-4,909,015 disclose a device for rolling up printed products resulting in scale formation and wrapping the rolled-up printed products with a film-like holding element to form a portable package known.
  • the printed products are fed in a scale formation to a winding point, where they are wound onto a winding mandrel by means of a looping belt.
  • a delivery device for the film web opens into the feed path of the printed products from below.
  • the film web runs from a rotatably supported supply roll around a stationary deflection roll to a conveyor roll driven in the start / stop mode.
  • EP-A-0 474 999 and EP-A-0 474 999 respectively disclose further devices for winding up printed products resulting in scale formation and enveloping the rolled-up printed products with a holding element corresponding US-A-5,101,610 and EP-A-0 243 906 or the corresponding US-A-No. 4,811,548 known.
  • a device for rolling up a single printed product together with a film-like holding element to form a tubular portable package is described in the older EP-A-0 568 844.
  • This has a slotted winding mandrel, so that the fingers thus formed are insignificantly further apart than the thickness of the printed product to be wound up.
  • This is inserted in a horizontal direction between the fingers by means of a belt conveyor, with the printed product being given a section of a film web which engages around the leading edge of the printed product and protrudes beyond the trailing edge.
  • the printed product is inserted into the gap until the leading edge is at the end of the gap.
  • the winding mandrel rests on a belt conveyor arrangement, which acts as a counter element when the winding mandrel is rotated and bends the printed product around one finger and then presses against the outside of the winding mandrel during rolling.
  • a belt conveyor arrangement acts as a counter element when the winding mandrel is rotated and bends the printed product around one finger and then presses against the outside of the winding mandrel during rolling.
  • the device according to the present invention is particularly suitable for processing newspapers or magazines that are packed individually or in a few copies ready for dispatch. It is particularly suitable for processing single, multi-leaf, thick printed products. However, it is also suitable for processing single, thin printed products or some thin printed products lying congruently on top of one another.
  • the printed products are introduced one by one or congruently one above the other by means of a conveyor between two fingers, so that they are arranged approximately symmetrically to the axis of rotation. Two opposing elements approximately opposite each other with respect to the axis of rotation interact with the fingers when the fingers and opposing elements are rotated relative to one another in order to bend each half of the printed product around one of the fingers.
  • the fingers are preferably spaced apart from one another to such an extent that the printed product brought into the tubular shape has an approximately S-shaped cross section.
  • a holding element is attached to the printed product. It can be a film-like wrapping element which completely surrounds the printed product on the circumference in order to also protect it against environmental influences. But it is also possible to do that in to tie or grasp the tubular shape of the printed product.
  • Claims 9 to 11 relate to an embodiment of the device according to the invention with a particularly suitable delivery device for a film-like holding element which is conveyed at a certain speed and then pulled at a higher speed.
  • FIG. 1 and 2 show a package manufacturing device 12 which is arranged in a machine frame 10 and which consists of printed products fed by means of a conveyor device 14 16 and film-like holding elements 20 delivered by a delivery device 18 forms portable, tubular packages.
  • a first stacking shaft 22 of a stacking device is arranged below the packet-making device 12, into which the packets 20 are dropped by the packet-making device 12.
  • a second stacking shaft 24 to which the packages 20 collected in the first stacking shaft 22 are transferred.
  • An ejector 26 is assigned to the second stacking shaft 24, by means of which the packets 20 are pushed out of the second stacking shaft 24 and fed to a banding device 28. This wraps a band 30 around the packages 20 so that together with the band 30 they form a stable bundle 32 that is suitable for transport and is easy to handle.
  • the packet manufacturing device 12 is described in more detail below. For the moment, it is sufficient to know that individual printed products 16 or a few congruent superimposed printed products 16 are folded in an S-shape and are wrapped with a film-like holding element 34 to form a portable, tubular package 20, as shown in FIG. 17.
  • the parcel manufacturing device 12 outputs such parcels 20 one after the other and drops them from above into the first stacking shaft 22, the longitudinal extent of all parcels 20 running in the same direction,
  • the first stacking shaft 22 is delimited by two fork-like stacking shaft walls 36, which at their upper end are pivotally mounted about horizontal axes 38.
  • the horizontal axes 38 run parallel to one another and in the direction of the longitudinal extent of the packages 20 supplied by the package manufacturing device 12.
  • the tines 36 'forming the stacking shaft walls 36 are each bent at the lower end of the stacking shaft wall 36 in the direction towards the other stacking shaft wall 36, so that they simultaneously the Form the bottom 40 of the first stacking shaft 22.
  • the tines 36 ' can be pivoted by means of a cylinder-piston unit 42 from a stacking position 44 indicated by solid lines in FIG. 1 about the horizontal axes 38 away from one another into an emptying position 44' indicated by dash-dotted lines.
  • the first stacking shaft 22 is closed at the bottom by the parts of the tines 36' forming the bottom 40, whereas in the open position 44 'the first stacking shaft 22 is open at the bottom and the free ends of the tines 36' are approximately above the stacking shaft walls 46 of the second stacking shaft 24.
  • These stacking shaft walls 46 and the bottom 48 of the second stacking shaft 24 are formed by stationary sheets or by roller conveyors. In the case of roller conveyors, the rollers run at right angles to the longitudinal extent of the packages 20.
  • the packages 20 stacked in the second stacking shaft 24 are ejected from the second stacking shaft 24 by means of the ejector 26 driven in the direction of the arrow 26 '(FIG.
  • Banding device 28 supplied.
  • This has support elements, not shown, which are aligned with the stacking shaft walls 26 and the bottom 48, in order to hold the stacked packages 20 which have not yet been banded together.
  • the strapping device 28 is of a generally known type and wraps the band 30 around the packages 20.
  • the bundles 32 are conveyed away from the banding device 28 for further processing by means of generally known conveying means.
  • the method of operation is as follows: when the tines 36 'are pivoted in the stacking position 44, the packages 20 which occur at high frequency are stacked in the first stacking shaft 22. If there are a predetermined number of packages 20 in the first stacking shaft 22, the tines 36 ′ are transferred into the emptying position 44 ′ by means of the cylinder-piston unit 42, as a result of which the packages 20 fall into the second stacking shaft 24. This takes only a short time and the tines 36 'are immediately pivoted back into the stacking position 44, so that the packages 22 which subsequently result are in turn stacked in the first stacking shaft 22.
  • the latter is emptied into the second stacking shaft 24 again in the same manner.
  • the second stacking shaft 24 is emptied by means of the ejector 26. If the ejector 26 is retracted into its starting position shown in FIG. 2, the first stacking shaft 22 can now be emptied into the second stacking shaft 24 again.
  • Two pairs of fingers 50 are arranged on opposite sides of a shaft 52, each on a bearing part 54 rotatably mounted on the machine frame 10.
  • the longitudinal axes 56 ', 56' 'of all four fingers 56 run parallel to the axis of rotation 54' of the bearing parts 54 and lie together with the latter in an axis plane 58.
  • the two fingers 56 of the pairs of fingers 50 are arranged symmetrically to the axis of rotation 54 'and delimit a gap-like opening , into which the printed product 16 to be processed can be introduced.
  • the rod-like fingers 56 pass through the bearing part 54 in question, are displaceable thereon in the axial direction, but are mounted so as to be fixed in the rotational direction.
  • the bearing parts 54 are connected to a servo motor 62 via a toothed belt drive 60.
  • the fingers 56 are fastened to a driving part 64, which is freely rotatable in the axial direction but connected to a displacement device 66 in a driving-proof manner. This serves to pull the fingers 56 out of the shaft 52 in the direction of the axis of rotation 54 ′ and push back into it.
  • the fingers 56 are pulled out of the shaft 52 at high speed.
  • a braking device 68 is arranged on the side of the driving part 64 facing away from the shaft 52, which has two springs 70, 70 'arranged one behind the other in the direction of the axis of rotation 54'. These are supported with their mutually facing ends on a driving element 72 which is firmly seated on a driving shaft 74.
  • the first spring 70 has a steeper spring characteristic than the second spring 70 ′ and is arranged on the side of the driving element 72 facing the driving part 64.
  • a stop body 76, on which the first spring 70 is supported and which is intended to cooperate with the driving part 64, is freely movable on the driving shaft 74.
  • the end of the second spring 70 ' which is remote from the driving element 72, is supported on a support body 78 which is also freely movable on the driving shaft 74 and which is in turn freely supported on the machine frame 10 in the direction of the axis of rotation 54' but is firmly supported.
  • the driving shaft 74 penetrates the driving part 64, engages in an opening in the bearing part 54 and carries at this end a driving plate 80 to which plastic sleeves 82 are fastened, which fingers 56 in turn pass through.
  • the plastic sleeves 82 are slidably supported in the bearing part 54 in the direction of the axis of rotation 54 ', the plastic sleeves 82 protruding into the interior of the shaft 52 in their working position shown in FIGS. 5, 6 and 7 and in their retracted position shown in FIG. 8 are withdrawn into the bearing part 54.
  • a signal body 84 for example a magnet or a wedge protruding in the radial direction, is fastened to the entraining part 64 and cooperates with a sensor 86 arranged on the machine frame 10 in order to emit a signal to a control unit (not shown) when the axis plane 58 runs in the horizontal direction (see Fig. 3).
  • the sliding device 66 has two slides 90, each mounted on a guide shaft 88, one of which is firmly connected to the upper and the other to the lower run of an endless drive belt 92.
  • the drive belt guided around deflection rollers 94 is connected to a reversible servo motor 96.
  • the upper and lower runs run parallel to the guide shafts 88 arranged one above the other and thus drive the carriages 90 in opposite directions.
  • the two carriages 90 are each connected via a drive rod 98 to an intermediate carriage 100 which is seated on a further guide shaft 102 which is arranged coaxially with the guide shaft 88 in question. This is arranged outside the shaft 52 as seen in the direction of the axis of rotation.
  • the intermediate carriages 100 are each connected via a connecting element 104 running at right angles to the axis of rotation 54 ′ to a guide carriage 108 mounted on a third guide shaft 106, from which in turn a driving cross member 110 to which the driving part 64 is connected protrudes.
  • the fingers 56 are thus driven by the servo motor 62 via the toothed belt drive 60 and the bearing part 54, which takes the fingers 56 in a rotationally fixed manner.
  • the reversible servo motor 96 drives the drive belt 92 in the counterclockwise direction (FIG. 4).
  • the carriages 90 are shifted from their separation position shown by solid lines in the direction of the arrows 90 'into the active position indicated by dash-dotted lines.
  • the fingers 56 are also moved from the separation position shown in FIG. 8 outside the shaft 52 into the active position indicated in FIGS. 4 and 6 within the shaft 52.
  • the reversible servo motor 96 is driven clockwise to pull the fingers 56 back into the disconnected position. For the time being, only the fingers 56 are withdrawn counter to the arrow direction 90 'until they reach the position shown in FIG. 7. In this position, the driving part 64 also strikes the stop body 76. When moving on, the springs 70, 70 'are compressed, the spring 70' being compressed more as a result of the different spring constant. This results in the entrainment of the entrainment element 72 and the entrainment shaft 74. This in turn pulls the plastic sleeves 82 back into the interior of the bearing part 54, as shown in FIG. 8. In the disconnected position, therefore, neither the fingers 56 nor the plastic sleeves 82 protrude into the shaft 52.
  • the braking device 68 thus brakes the mass moving in the direction of the axis of rotation 54 'and simultaneously controls the plastic sleeves 82.
  • the plastic sleeves 82 are also moved in the direction toward the shaft 52 in accordance with the extension of the spring 70'.
  • the shaft 52 is delimited on both sides of the axis of rotation 54 'by shaft walls 112. These are each formed by four endless belts 114 made of elastic material, as can also be seen in FIG. 4.
  • an elastic conveyor belt 116 is further provided, which is arranged in the axial direction between the two middle of the four belts 114. If the fingers 56 are moved into their active position in the shaft 52, they are spaced apart from one another to such an extent that they project in the axial direction over the corresponding two belts 114, but end outside the region of the conveyor belt 116.
  • the belts assigned to the right shaft wall 112 and the conveyor belt 116 are each deflected around coaxially mounted rollers 118, the diameter of the roller 118 'assigned to the conveyor belt 116 being larger than that of the belts 114 assigned rollers 118.
  • the shaft 120 carrying the output-side rollers 118 is mounted on a slide part 122 which, by means of a cylinder-piston unit 124, horizontal in the horizontal direction perpendicular to the axis of rotation 54 'in the direction of the arrow 124' from the fold position shown in solid lines to the dash-dot line indicated ejection position is retractable.
  • gears 126 are seated on both ends of the shaft 120 in a rotationally fixed manner, which mesh with toothed racks 126 'fixedly attached to the machine frame 10.
  • the belts 114 On the side facing away from the shaft 52, the belts 114, as seen from the shaft 120, are deflected in an S-shape around corresponding rollers 128 and run back from there to the rollers 118 on the input side.
  • the conveyor belt 116 is also deflected in an S-like manner, but, viewed from the shaft 120, engages around a drive roller 130 between the first and third rollers 128. As indicated by dash-dotted lines, this is connected to a drive motor 132 and driven counterclockwise via a freewheel.
  • the belts 114 forming the left shaft wall 112 are deflected around rollers 118 on the input and output sides of the shaft 52.
  • the shaft 120 ′ carrying the rollers 118 on the output side is mounted on a second slide part 122 in the same way as the shaft 120. This is mounted on the same on both sides and outside of the shaft 52 extending guide rails 133, like the other slide part 122 arranged to the right of the axis of rotation 54 '.
  • gears 126 on both ends, which mesh with corresponding racks 126 'in order to tilt the To prevent slide part 122 when it is moved by means of the cylinder-piston unit 124 ′′ from the folded position shown in solid lines into the ejection position indicated by dash-dotted lines and back again.
  • the belts 114 are in turn guided in an S-shape around rollers 128, the first and third rollers 128 and the input-side rollers 118 being supported on shafts 134 which are supported on a slide element 136.
  • the slide element 136 is shown in the pressing position, in which a seated on the input-side shaft 134, the pressure roller 138 is freely rotatably supported on the conveyor belt 116 or on a printed product.
  • the diameter of the pressure roller 138 is larger than the diameter of the rollers 118.
  • the carriage element 136 is shown in broken lines in the retracted insertion position, in which the pressure roller 138 is spaced apart from the conveyor belt 116.
  • Tilting of the slide element 136 is also prevented here by gears 126 sitting on one of the shafts 134 at both ends, which in turn mesh with toothed racks 126 '.
  • gears 126 sitting on one of the shafts 134 at both ends, which in turn mesh with toothed racks 126 '.
  • the belts 114 and the pressure roller 138 are freely rotatable.
  • the conveying device 14 is designed as a belt conveyor, with cooperating conveyor belts 140 delimiting a conveying gap 142 into which the printed products 16 fed in the horizontal direction and conveying direction F enter and are deflected into an insertion plane 142 aligned with the shaft 52 and running essentially in the vertical direction .
  • a printed product 16 is recognized by means of sensor elements 144 arranged in the area of the conveyor 14, the leading edge 146 of which does not run at right angles to the conveying direction F, the conveyor belts 140 on the outlet side of the conveyor 14 are moved from the operating position shown in solid lines by means of the cylinder-piston unit 148 into a dash-dotted line Pivots redirected position, in which the printing product in question 16 is ejected onto a baffle 150 in order to discharge it.
  • the printed products 16, the leading edges 146 of which run at right angles to the conveying direction F, are conveyed in from above by means of the conveying device 14 introduced the shaft 52.
  • the conveyor device 14 is also driven by the drive motor 132.
  • the delivery device 18 opens into the movement path of the printed products 16. This has a movement in the feed direction Z and at a speed v 2 that is greater than the conveying speed v 1 of the conveyor 14 , rotating driven feed belt 152. This is guided on the output side around a deflection roller 154, so that the feed belt 152 affects the path of movement of the printed products 16.
  • the deflection roller 154 ′ on the input side is likewise connected to the drive motor 132.
  • the upper run of the feed belt 152 slides over a support plate 156 and a pressure roller 158 is mounted above the feed belt 152 in order to press the film spell 160 resting on the upper run of the feed belt 152 against the feed belt 152.
  • the feed belt 152 is preceded by a first conveyor roller 164, which is connected to the drive motor 132 via a clutch / brake unit which is not visible, see also FIG. 19.
  • This clutch / brake unit is actuated by a pneumatic cylinder / piston unit 162 via a dashed line in FIG. 19 Linkage switched.
  • the film web 160 runs from a deflecting roller 166 approximately tangentially via the first conveyor roller 164 to the feed belt 152.
  • the film web 160 is unwound from a rotatably mounted supply roll 172. From this, the film web 160 runs approximately in the vertical direction upwards to a deflecting roller 174, from where it runs in a loop-like manner in the direction obliquely downwards to a first running roller 176. From there, the film web 160 is guided to a second conveyor roller 178, which surrounds it by approximately 180 °. Between this second conveyor roller 178 and the deflecting roller 166, the film web 160 encompasses a second running roller 180 in a loop-like manner.
  • the two running rollers 176, 180 are freely displaceably mounted in vertical guide members 182 and are each connected to springs 184, which have a flat spring characteristic, around the film web 160 constant force.
  • running rollers 176, 180 are hinged at both ends to tabs 186, which are connected at the other end to the free end of a lever 190, the levers 190 in turn being seated on corresponding shafts 192, 192 '.
  • a position sensor 194 interacts with the shaft 192 'and emits a signal to the control when the second roller 180 is located in the lower end region of the guide member 182 concerned.
  • the controller ensures that the second conveyor roller 178 is connected to the drive motor 132 via a clutch / brake unit when the position sensor 194 does not emit a signal.
  • the clutch / brake unit is actuated by a pneumatic cylinder-piston unit 196 via one shown in dashed lines in FIG Linkage switched. This ensures that the supply loop of the film spool 160 assigned to the second roller 180 is always automatically replenished.
  • the film web 160 is continuously pressed onto the second conveyor roller 178 by means of a further pressure roller 170 '.
  • the rollers interacting with the film roll 160 have a surface which prevents the self-adhesive film roll 160 from adhering to the rolls.
  • a cutting device 200 which can be actuated by means of a cylinder-piston unit 198, is arranged between the opening of the delivery device 18 into the movement path of the printed products 16 and the shaft 52, in order to separate the section of the film web 160 which forms a holding element 34 therefrom.
  • the counter-knife of the cutting device 200 (FIG. 3), which is U-shaped in cross section, can be displaced with the slide element 136.
  • sensor elements are used to identify the position of the leading edge 146 when the printed product 16 to be processed is introduced into the shaft 52. Further, there are further sensor elements 204 below the shaft 52, which emit a signal to the control if the longitudinal extension of the package 20 should no longer run in an approximately horizontal direction when it falls out of the shaft 52.
  • the slide parts 122 are in the folded position, the distance between the rollers 118 at the lower end of the shaft 52 being greater than the thickness of the printed product 16 to be processed, so that it can move freely through the gap in question.
  • the printed product runs between the stationary fingers 56, the axis plane 58 being perpendicular to the approximately vertical insertion plane 142.
  • the sensor element 202 arranged at the shaft 52 likewise sends a signal to the control in order to control the position of the printed product 16 when it is inserted.
  • the controller Since the controller knows the conveying speed v 1 , the dimension of the printed product 16 and the time at which the leading edge 146 passes through the sensor elements 202, it switches on the servo motor 62 to turn the fingers 56 about the axis of rotation 54 ′ as soon as the printed product 16 has reached an approximately symmetrical position with respect to the axis of rotation 54 '(FIG. 9). In this position, the axis plane thus runs through the center of the printed product 16. For the sake of completeness, it should be mentioned that when a printed product 16 is inserted, the pairs of fingers 50 are in the active position, so that the belts 114 with respect to the axis of rotation 54 ' rest on the outside of the fingers 56. The conveyor belt 116 is not in contact with the fingers 56.
  • the first conveyor roller 164 is connected to the drive motor 132 via the clutch / brake unit, so that the area of the film web 160 between its free end at the cutting device 200 and the second roller 180 is accelerated extremely rapidly to the conveying speed v 1 and the leading end region is thus given to the printed product 16.
  • the pressure roller 170 is raised, so that the film web 160 can be pulled in unaffected by the first conveyor roller 164 when the printed product 16 is folded and wound around the folded printed product 16 at a higher speed .
  • FIGS. 10 to 16 show the position of the fingers 56, starting from FIG. 9 after each rotation by 90 ° in a clockwise direction about the axis of rotation 54 '.
  • the part of the printed product 16 arranged above the axis of rotation 54 'in FIG. 9 now passes through the gap which is indicated by hatched fingers above the axis of rotation 54' for better recognition 56 and the conveyor belt 116 and the belt 114 to the right of the axis of rotation 54 ', whereby this part of the product is bent by the action of the elastic belts 114, 116 mentioned about the relevant finger 56.
  • the other part of the product passes through the gap between the other, in FIGS.
  • the printed product 16 is already folded in an S-shape after approximately three-quarter turn of the fingers 56 and is brought into the tubular shape. However, turning the fingers 56 further is necessary in order to wind the section of the film spell 160 onto the folded printed product 16 to such an extent that it is completely enveloped.
  • the cutting device 200 separates the section forming the holding element 34 from the film web 160 as soon as it has been retightened by a corresponding length. In the present case after about a rotation of the fingers 56 by about 360 °. When the fingers 56 are turned further, the remaining part of the holding element 34 also becomes wrapped around the printed product 16 and pressed onto it by means of the belts 114 and the conveyor belt 116 (see FIGS. 14 and 15).
  • the piston-cylinder units 124, 124 ′′ are activated in order to pull the slide parts 122 back into the ejection position.
  • the course of the conveyor belt 116 and the belt 114 is indicated by dash-dotted lines in FIG. 16; these are then no longer present on the package 20 formed.
  • the reversible servo motor 96 is driven in a clockwise direction (FIG. 4) in order to pull the fingers 56 out of the region of the shaft 52 into the disconnected position at high speed in the direction of the axis of rotation 54 ′ (FIG. 8). .
  • the package 20 now falls into the first stacking shaft 22.
  • the servo motor 96 is immediately reversed again in order to return the fingers 56 to their active position. Furthermore, the servo motor 62 was switched off immediately as soon as the holding element 34 was completely wound up and the axis plane 58 runs in the horizontal direction. As soon as the fingers have reached the active position, the piston-cylinder units 124, 124 ′′ move the slide parts 122 back into the folded position. The next printed product 16 can now be introduced into the shaft 52.
  • the sequences described above in succession can overlap in whole or in part in time.
  • the holding element 34 Seen in the longitudinal extension of the tubular package 20, the holding element 34 has the same dimension as the printed product 16. However, in order to be able to better protect it, it is also possible to use a film web 160 to form the holding element 34, which is wider than the corresponding dimension of the printed product 16, as shown in FIG 18 is indicated.
  • the film web 160 projects from both sides of the printed product 16. Since the film web 160 is held under tension, the part protruding laterally beyond the printed product 16 during and after winding up has the tendency to bend inwards in the radial direction. In this case, the plastic sleeves 82 prevent the holding element 34 from touching the fingers 56 and sticking to them.
  • the supply loop in question is first shortened by lifting the second roller 180, as indicated by dash-dotted lines in FIG. 19.
  • the second conveyor roller 178 is driven in order to enlarge the aforementioned supply loop again.
  • the first running roller 176 is raised (indicated by dash-dotted lines in FIG. 20).
  • the relevant spring 184 now ensures, however, that film is drawn from the supply roll 172 and unwound.
  • the springs 184 ensure that the film web 160 is always tensioned and, on the other hand, they prevent excessive loads when the film web 160 is accelerating and conveying rapidly.
  • the fingers 56 are spaced apart from one another to such an extent that the printed product 16 essentially is only folded in an S-shape. In the case of longer printed products 16 seen in the conveying direction or with fingers 56 arranged closer together, it is also possible for the parts of the printed products still remaining outside the S-shaped fold to be wound up. However, since the printed product 16 has been positioned approximately symmetrically with respect to the axis of rotation 54 ′, a minimal number of revolutions of the fingers 56 is always required to move the printed products 16 into the tubular shape.
  • the folded, bound or glued ready-to-print products are introduced into the chute 51 with the fold or the adhesive edge in advance.

Claims (11)

  1. Dispositif pour produire des paquets tubulaires (20) portables, respectivement composés d'au moins un produit imprimé (16), d'un journal ou d'une revue en particulier, et d'un élément de retenue (34) maintenant le produit imprimé, avec deux doigts (56), dont les axes longitudinaux (56') sont parallèles à un axe de rotation (54') situé entre ces derniers et sont à peu près disposés avec cet axe dans un plan axial (58), doigts entre lesquels peut être introduit le produit imprimé à traiter (16) dans un plan d'introduction (142) situé essentiellement transversale au plan axial (58), avec un contre-élément (112), disposé à l'extérieur des doigts (56) par rapport à l'axe de rotation (54') et destiné, après l'introduction du produit imprimé (16) et lors de la rotation mutuelle des doigts (56) et du contre-élément (112) autour de l'axe (54'), à délimiter avec chaque doigt (56) passant l'un devant l'autre une fente, au travers de laquelle passe le produit imprimé (16), et à plier ainsi le produit imprimé (16) autour des doigts (56) et à l'amener dans la forme tubulaire, et avec des moyens (18) pour amener et appliquer l'élément de retenue (34) maintenant le produit imprimé (16) dans la forme tubulaire, caractérisé par un dispositif de transport (14) destiné à introduire le produit imprimé (16) entre les doigts (56), par des moyens pour positionner le produit imprimé (16) d'une manière à peu près symétrique par rapport à l'axe de rotation (54'), et par deux contre-éléments (112), à peu près en vis-à-vis par rapport à l'axe de rotation (54') et formant respectivement une fente avec l'un des doigts (56'), pour plier la partie du produit imprimé (16), disposée sur l'un des côtés du plan axial (58) autour de l'un des doigts (56), et l'autre partie autour de l'autre doigt (56''), les doigts (56) étant prévus dans une cage (52), dont les parois forment les contre-éléments (112), concourent avec les doigts (56), et sont formées par des courroies (114, 116) tendues, élastiques ou flexibles, situées à la perpendiculaire de l'axe de rotation (54'), ces courroies, vu à la perpendiculaire de l'axe de rotation (54'), étant guidées sur les deux extrémités de la cage autour de cylindres de renvoi (118, 118'), et les cylindres de renvoi (118), disposés côté sortie de la cage (52), pouvant être écartés l'un de l'autre pour chasser le paquet (20) de la cage (52).
  2. Dispositif suivant la revendication 1, caractérisé en ce que le sens de transport (F) du dispositif de transport (14) se situe, pour l'introduction du produit imprimé (16) entre les doigts (56), à la perpendiculaire de l'axe de rotation (54').
  3. Dispositif suivant la revendication 2, caractérisé par deux paires de doigts coaxiales (50), distantes en direction de l'axe de rotation (54'), entre lesquelles peut être introduit le produit imprimé (16), et qui peuvent être écartées l'une de l'autre dans le sens axial pour séparer le produit imprimé (16), amené dans la forme tubulaire.
  4. Dispositif suivant l'une des revendications 1 à 3, caractérisé en ce que l'axe de rotation (54') se situe dans le sens horizontal, et en ce que le dispositif de transport (14) est réalisé pour introduire à partir du haut les produits imprimés (16) entre les doigts (56).
  5. Dispositif suivant l'une des revendications 1 à 4, caractérisé en ce que les cylindres de renvoi (118), disposés côté sortie de la cage (52) en vue d'extraire le paquet (20) de la cage (52), sont au moins suffisamment distants l'un de l'autre pour que le produit imprimé puisse passer d'une manière lâche entre ces derniers.
  6. Dispositif suivant l'une des revendications 1 à 5, caractérisé en ce que le dispositif de transport (14) présente une bande transporteuse (116), entraînée en rotation dans le sens de transport (F), guidée autour de cylindres de renvoi (118, 118') sur les deux extrémités de la cage, et concourant côté entrée de la cage (52) avec un élément de pression (138), en forme de cylindre de préférence, pour former avec ce dernier une fente de transport pour le produit imprimé (16).
  7. Dispositif suivant la revendication 6, caractérisé en ce que la bande transporteuse (116) et l'élément de pression (138) peuvent être écartés l'un de l'autre, pour introduire le bord avant (146) du produit imprimé (16) entre ces derniers.
  8. Dispositif suivant l'une des revendications 1 à 7, caractérisé en ce que l'élément de retenue (34) est une découpe d'une feuille (160) en matière plastique, et en ce que les moyens (18) présentent, pour amener l'élément de retenue (34), un dispositif de livraison débouchant dans la trajectoire de transport du produit imprimé (16), et qui fournit le début de l'élément de retenue (34) à la moitié suivante du produit imprimé (16), à peu près à la vitesse (v1) du dispositif de transport (14).
  9. Dispositif suivant l'une des revendications 1 à 8, caractérisé par un dispositif de transport (14) pour amener le produit imprimé (16) à la cage (52), et par un dispositif de livraison (18), débouchant dans la trajectoire du produit imprimé (16) et prévu pour l'élément de retenue (34), formé par une découpe d'une feuille (160) de matière plastique déroulée d'un rouleau de réserve (172), avec un agencement de palier pour le rouleau de réserve (172), un cylindre de transport (164) exploité en arythmique pour la feuille (160), des moyens (184), disposés entre l'agencement de palier et le cylindre de transport (164), pour tendre la feuille (160), et un dispositif de séparation (200), monté en aval du cylindre de transport (164), pour séparer l'élément de retenue (34) de la feuille (160), un autre cylindre de transport (178) pour la feuille (160) étant disposé entre l'agencement de palier et le cylindre de transport (164), la feuille (160) étant déviée, pour la formation de boucles de réserve, autour de cylindres de roulement (176, 178) prétendus, entre ces cylindres de transport (164, 178), ainsi qu'entre l'autre cylindre de transport (178) et l'agencement de palier, et l'autre cylindre de transport (178) étant entraîné en fonction de la position du cylindre de roulement (180), disposé entre les cylindres de transport (164, 178).
  10. Dispositif suivant la revendication 9, caractérisé en ce que le cylindre de transport (164) est entraînable à une vitesse périphérique, à peu près correspondante à la vitesse (v1) du dispositif de transport (14), et en ce qu'un convoyeur à courroie (152), entraîné à une vitesse supérieure (v2) et sur lequel s'applique la feuille (160) sous l'effet d'une contrainte de traction, est prévu entre le cylindre de transport (164) et la trajectoire du produit imprimé (16).
  11. Dispositif suivant l'une des revendications 9 et 10, caractérisé par un cylindre de pression (170) commandé, pour presser temporairement la feuille (160) sur le cylindre de transport (164).
EP94102955A 1993-04-01 1994-02-28 Dispositif de formation de paquets tubulaires portables de produits imprimés Expired - Lifetime EP0618138B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH100093 1993-04-01
CH1000/93 1993-04-01

Publications (2)

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EP0618138A1 EP0618138A1 (fr) 1994-10-05
EP0618138B1 true EP0618138B1 (fr) 1997-06-04

Family

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Application Number Title Priority Date Filing Date
EP94102955A Expired - Lifetime EP0618138B1 (fr) 1993-04-01 1994-02-28 Dispositif de formation de paquets tubulaires portables de produits imprimés

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US (1) US5493841A (fr)
EP (1) EP0618138B1 (fr)
AU (1) AU669423B2 (fr)
CA (1) CA2119537A1 (fr)
DE (1) DE59402963D1 (fr)
NZ (1) NZ260224A (fr)

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DK0671326T3 (da) * 1994-03-08 1999-11-08 Metaverpa Nv Fremgangsmåde og indretning til omlægning af omhylningselementer omkring trykprodukter
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US5631061A (en) * 1995-10-11 1997-05-20 Owens Corning Canada, Inc. Double fold insulation batt
US8820036B2 (en) 2011-06-16 2014-09-02 Reynolds Presto Products Inc. Process and apparatus for packaging bags
CN110371404A (zh) * 2019-07-30 2019-10-25 格力电器（武汉）有限公司 一种自缠绕盘管装置
CN113060373B (zh) * 2021-04-15 2022-07-19 河南省新之林机电设备有限公司 手术铺单纵向折叠机的折叠装置
CN113650282A (zh) * 2021-08-24 2021-11-16 吴亚梅 一种玻璃双面贴膜系统

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Also Published As

Publication number Publication date
EP0618138A1 (fr) 1994-10-05
NZ260224A (en) 1995-04-27
AU669423B2 (en) 1996-06-06
AU5771594A (en) 1994-10-06
US5493841A (en) 1996-02-27
DE59402963D1 (de) 1997-07-10
CA2119537A1 (fr) 1994-10-02

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