[go: up one dir, main page]

EP0563649B1 - Verfahren und Vorrichtung zur Bildung einer geschlossenen Umhüllung um einen Gegenstand - Google Patents

Verfahren und Vorrichtung zur Bildung einer geschlossenen Umhüllung um einen Gegenstand Download PDF

Info

Publication number
EP0563649B1
EP0563649B1 EP93104035A EP93104035A EP0563649B1 EP 0563649 B1 EP0563649 B1 EP 0563649B1 EP 93104035 A EP93104035 A EP 93104035A EP 93104035 A EP93104035 A EP 93104035A EP 0563649 B1 EP0563649 B1 EP 0563649B1
Authority
EP
European Patent Office
Prior art keywords
article
flat material
material sheet
sheet
adjustable
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
EP93104035A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0563649A3 (fi
EP0563649A2 (de
Inventor
Fausto Pizzi
Valerio Parisini
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bielomatik Leuze GmbH and Co KG
Original Assignee
Bielomatik Leuze GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bielomatik Leuze GmbH and Co KG filed Critical Bielomatik Leuze GmbH and Co KG
Publication of EP0563649A2 publication Critical patent/EP0563649A2/de
Publication of EP0563649A3 publication Critical patent/EP0563649A3/xx
Application granted granted Critical
Publication of EP0563649B1 publication Critical patent/EP0563649B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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

Definitions

  • the invention relates to a method and a device for forming a closed envelope around an object according to the preamble of claims 1 and 7.
  • DE-B-1 096 822 shows a device of this type, in which coating rolls flick upstanding wrapping paper tabs over the top of a ream after a ram holding down the ream has been lifted off.
  • the mostly elastic ream tends to spring slightly upwards after the removal of the ram, so that in particular the upper sheets are relatively easy to move.
  • the wrapping paper sheet is provided in such a way that a corresponding length is first measured from a wrapping paper band and then cut off. This makes it necessary to interrupt the feed movement of the wrapping paper sheet or wrapping paper tape.
  • the wrapping cycle for the object in a wrapping device follows the provision of the wrapping paper sheet. Particularly in the case of paper giants consisting of individual sheets, care must be taken that the sheets of the paper giant are not damaged during the wrapping of the paper giant with the wrapping paper sheet.
  • the invention is based on the object of proposing a method and a device with which damage to the object during the wrapping step can be prevented.
  • This object is achieved by a method and a device with the features of claims 1 and 7. Particularly good placement of the sheet of flat material is thus achieved in the region of the upper edge of the object, damage to the individual sheets being avoided in particular in the case of a paper giant.
  • the cross folds embossed in the area of the upper edge of the object prevent the individual paper sheets of the wrapping paper from crumpling.
  • the transverse fold can be embossed on the flat material sheet offset in height and / or offset to the upper edge of the object.
  • the underside of the object is positioned on a spread sheet of flat material, in particular a wrapping paper sheet, in such a way that in the region of the side surfaces of the object there are laterally projecting partial areas of the sheet of flat material which essentially correspond to the area to be covered.
  • the object is lowered and the sheet of flat material is placed on the side surfaces of the object.
  • the sheet of flat material is then applied to the top of the object by lateral displacement of the object.
  • the ends of the flat material sheet that are brought together are then connected to one another. This procedure creates a tubular envelope, which then only has to be closed on the end faces of the object to be encased.
  • the side surfaces of the object are advantageously stiffened with a compressive force acting on the top of the object when the object is lowered. This is particularly advantageous in the case of a paper giant consisting of individual sheets, since the application of the compressive force prevents the individual sheets from shifting while the wrapping paper sheet is being applied.
  • a protruding, larger partial area of the flat material sheet is advantageously pulled off a stationary support area.
  • the larger portion of the flat material sheet is pulled off the stationary support area against the force of a holding means.
  • the application of the sheet of sheet material can be improved by keeping the sheet of sheet material taut when it is applied to the top of the item.
  • the wrapping step can be preceded by a feed step for the flat material sheet, in which the object is advantageously fed together with the flat material sheet.
  • the object is protected during its feeding movement by the sheet of sheet material arranged underneath.
  • An interruption of the feed movement for measuring and severing the sheet of sheet material can be avoided by connecting the sheet of sheet material to a sheet of flat material via a perforation, which is separated when the sheet of sheet material is fed, in particular by blocking the feed device for the sheet of sheet material.
  • the sheet of flat material can advantageously be measured and perforated from the sheet of flat material during the wrapping step of a previous object. As a result, the objects to be wrapped can be fed in a faster time sequence since the feed movement of the wrapping paper sheet or the object does not have to be interrupted in order to separate the perforation.
  • the object is advantageously positioned with respect to the flat material sheet during the feeding of the flat material sheet.
  • At least one protruding partial area of the sheet of flat material can be provided with an adhesive strip, which is advantageously applied in the area of an edge.
  • the adhesive strip With the adhesive strip, the end regions brought together can then of the wrapping paper sheet are sealed to form a tubular envelope.
  • the lateral displacement of the object for placing the sheet of flat material on the top of the object advantageously takes place perpendicular to the feed movement of the object.
  • the device according to the invention can furthermore have a two-part contact surface which has an adjustable contact area and a stationary contact area.
  • the support surface is advantageously aligned horizontally and a vertically adjustable support area is provided.
  • the sheet of flat material is spread out on the support surface, the object to be wrapped resting on the sheet of flat material.
  • the object is positioned such that its one side surface lies at the level of the dividing line between the two support areas.
  • the retractable support area is lowered, the object is thus also lowered, the flat material sheet lying on the stationary support area being placed against the side area of the object.
  • the adjustable support area can have recesses into which, when the support area is adjusted, an application means for applying the flat material sheet to the object is introduced.
  • the application means thus serves to apply the sheet of flat material to the other side area of the object.
  • an application means can be provided which consists of two combs which are adjustable relative to one another. Due to the relative adjustment of the combs to one another, an area of the sheet of sheet material slightly projecting over the top of the object can be placed against the top of the object.
  • the contact means can be movable in the recesses of the adjustable support area.
  • the object for applying the sheet of flat material on its upper side can be moved laterally with the application means.
  • the contact means can be moved transversely to the feed direction of the object.
  • the contact means has, on the one hand, combs with approximately L-shaped teeth and, on the other hand, combs with an inverted L-shaped teeth.
  • the teeth of the combs can advantageously form a deflection edge for the flat material sheet. In the combined position of the combs, the deflection edge ensures that a protruding partial area of the flat material sheet is applied to the top of the object.
  • the distance between the contact means and the adjustable support area is adjustable.
  • an adjustment device can be provided with which a guide for the application means can be adjusted.
  • a pressing means which exerts a compressive force on the side areas of the object.
  • a pneumatically actuated pressure stamp can be used.
  • the pressing means can advantageously be moved perpendicular to the adjustable support area and is preferably arranged on guides for grippers. The pressing means is only used in the phase of the wrapping step when the sheet of flat material is placed on the side areas of the object.
  • a deflecting rod is assigned to the deflecting means and is adjustable with respect to the deflecting means.
  • the deflecting means can interact with an adjustable transport means, in particular a conveyor belt, for the object.
  • the stationary support area which receives a partial area of the flat material sheet advantageously has a lattice structure which preferably has a support rail for the flat material sheet which is assigned to the adjustable support area.
  • the partial area of the sheet of sheet material lying on the stationary support area is advantageously held with a holding means.
  • the holding means is advantageously designed to be movable.
  • the transport means can have two spaced conveyor belts, one of the conveyor belts advantageously being adjustable in height to the other conveyor belt.
  • an upper conveyor belt can be provided, which is adjustable in the horizontal direction and can advantageously be delivered to the deflection means for the flat material sheet.
  • the sheet of flat material and the object can be fed by means of a feed means, which preferably has grippers, each of which has controllable gripping arms.
  • the feed means can be moved perpendicular to the displacement movement of the object in the wrapping device.
  • the feed means can be guided on guides which are arranged above the contact surface, the external guides advantageously being adjustable in the lateral direction. As a result, the device can be easily adapted to the respective size of the object to be wrapped.
  • the feed means is advantageously arranged on hollow profile carriers in which the drive means driving the feed means is arranged.
  • the support surface is advantageously adjacent to a support bench which is assigned an adjustable stop for the object.
  • the stop has lateral guides for positioning the object. With the guides, the object can be aligned so that it lies with one of its side faces on the dividing line between the two support areas before the actual wrapping step.
  • the device can be provided with a distributor for applying an adhesive strip. This is advantageously arranged on a gripper guide.
  • FIGS. 1 and 3 show a schematic representation of a device for wrapping paper giants R with a sheet of flat material, hereinafter referred to as wrapping paper sheet 102, which could also consist of materials other than paper. It is designed as an automatic packaging machine.
  • the packaging machine shown has a lifting table 50 on which a multiplicity of paper giants R are stacked one on top of the other. The individual paper giants R are separated from one another at their one end region by inserts S. The height of the lifting table 50 can be adjusted in the direction of the arrow 51.
  • the lifting table 50 is driven in such a way that the displacement takes place in each case by the thickness H of the paper giant R and the bottom of the uppermost paper giant R lies coplanar with a support bench 1 adjacent to the lifting table 50.
  • the support bench 1 has approximately an L-shaped cross section, with a horizontal support surface for the paper giant R.
  • a feed device 17 for feeding and measuring a wrapping paper or flat material strip 2 is provided below the support bench 1.
  • the feed device 17 has two unwinding rolls arranged one above the other, which are provided with a drive, not shown in detail.
  • the wrapping paper tape 2 is pulled off a wrapping paper spool 16 by the rotational movement of the unwinding rolls.
  • the wrapping paper tape 2 is deflected in the direction of the feed device 17 on a deflection roller 52.
  • the unwinding rolls of the feed device 17 are coupled to a measuring device (not shown in detail), so that the length of the wrapping paper tape 2 supplied can be measured precisely.
  • a cutting device 18 is arranged, which can actuate the wrapping paper tape 2 with a transverse perforation E running transversely to its longitudinal direction or the like.
  • the transverse perforation E in the wrapping paper tape 2 is selected such that the wrapping paper tape 2 still has sufficient stability. In practice, good results have been achieved if the transverse perforation has incisions of approximately 50 to 50 mm in length, which are interrupted by bridges which are between 1 and 3 mm in length.
  • a tensioning roller 19 is arranged laterally offset to the cutting direction 18 and is adjustable in the direction of the double arrow 53.
  • the packaging paper tape 2 coming from the cutting device 18 is deflected on the tensioning roller 19 and lies on the top of the support bench 1.
  • the tensioning roller 19 has the task of keeping the wrapping paper tape 2 fed via the feed device 17 taut.
  • a tensioning roller 19 bearing against gravity or spring force can be provided. This is achieved in that the height of the tensioning roller 19 is adapted to the length of wrapping paper 2 that is being unwound.
  • Fig. 1 two working positions of the tension roller 19 are shown. These working positions are each adapted to different working cycles of the packaging machine. If the tensioning roller 19 is in its lower position shown in broken lines, the wrapping paper tape 2 is guided past a sensor 22. With the sensor 22, the position of the tension roller 19 can be detected.
  • Carriers 10, 110 of a support structure are arranged above the support bench 1 and are fastened to the bottom of the packaging machine.
  • the horizontally aligned supports 10, 110 are positioned parallel to one another.
  • guides 9, 109, 209 are held on the carriers 10, 110.
  • the guides 9, 109, 209 each have an approximately rectangular hollow profile body which is arranged on the supports 10, 110 in an adjustable manner. By adjusting the outside Guides 9, 109 can thus be adapted to the respective format of the paper giant R.
  • a pincer-shaped gripper 6, 7, 8 is guided on the guides 9, 109, 209 in the transport direction of the paper giant R.
  • the gripper 6, which is basically of the same design as the grippers 7 and 8, has tongs-like gripping arms.
  • the gripper arms of the gripper 6 delimit a receptacle for a paper giant R fed from the lifting table 50. While the grippers 6, 7 have the same dimensions, as can be seen from FIGS only the wrapping paper tape 2 is clamped.
  • the grippers 6, 7, 8 can be actuated synchronously in the direction of the arrow 54, which also indicates the direction of transport of the paper giant R.
  • the design of the gripper drive is to be described, for example, for the gripper 6 with reference to FIG. 1.
  • a belt 13 or the like is arranged within the guide 9, which is designed as a hollow body, and is designed to be endless.
  • the belt 13 is guided around the rollers 11, 12 which are arranged at a distance from one another.
  • the roller 12 is driven by a drive belt 14.
  • the drive belt 14 is connected to a central drive unit, not shown.
  • the belt 13 is articulated on the gripper 6 by means not shown in detail. If the roller 12 is driven by the drive belt 14, the gripper 6 can be transferred from the position shown in broken lines in the direction of arrow 54 to the position shown in the drawn line.
  • a stop shown in FIGS. 1 and 3 is provided, the stop elements 15, 115 of which are retractable and are arranged, for example, on the devices carrying the grippers 6, 7. 3 shows that the stop elements 15, 115 are arranged at a distance from one another which is adapted to the dimensions of the paper giant R.
  • Each of the stop elements 15, 115 has lateral guide cheeks 55 for the paper giant R. An oblique course of the free end region of the guide cheeks 55 delimits an insertion cross section for the paper giant R that tapers in the direction of the arrow 54.
  • rollers 3, 103 are mounted on a common axis, each of which is provided with a backstop.
  • the rollers 3, 103 hold the wrapping paper tape 2 in contact with the top of the support bench 1 and prevent the tape 2 from returning.
  • the alignment is carried out in such a way that the narrow side of the paper giant R faces the support bench 1. 3, the long sides 4, 104 of the paper giant R are then received between the guide cheeks 55 of the stop 15, 115.
  • the packaging machine shown has a receiving surface 21 which is positioned at a distance from the support bench 1.
  • the receiving surface 21 has a two-part structure.
  • a support area 21a is designed to be adjustable in height, whereas an adjacent support area 21b is arranged to be stationary.
  • a separating line 61 lies between the support areas 21a, 21b.
  • the support area 21a which is rectangular in plan, is provided with a large number of recesses 26 made parallel to one another.
  • the recesses 26 each have a rectangular cross section, the longitudinal axis of the recesses 26 being arranged transversely to the direction of transport of the paper giant R, which is indicated by the arrow 54.
  • the height of the support area 21a is adjusted by means of an adjusting device 27 which, for example, can have cranks connected to one another via a driven shaft 28, each of which is connected to the underside of the support area 21a via connecting rods.
  • an adjusting device 27 which, for example, can have cranks connected to one another via a driven shaft 28, each of which is connected to the underside of the support area 21a via connecting rods.
  • two shafts 28 arranged in parallel are provided, which are driven by belts 29, 30 or chains.
  • the belt 30 is connected to a drive unit, not shown. When they are actuated, the support region 21a is displaced in the direction of the double arrow 56 depending on the drive direction.
  • Pneumatically actuated pressure rams 31, 32 are fastened to the guides 9, 109 and can be actuated in the direction of the lifting movement of the support area 21a. From Fig. 2 it can be seen that the pressure stamps 31, 32 rest on the top of the paper giant R at a short distance from the side edges. In this way it is achieved that the side areas of the paper giant R are kept rigid during the packaging cycle and are protected against creasing during the application of the paper sheet 102.
  • combs 33, 34 associated with the recesses 26 thereof.
  • the basic bodies of the combs 33, 34 are horizontal aligned guides 35 slidably guided. The guides 35 are aligned parallel to the recesses 26 of the support area 21a and are supported on the bottom of the packaging machine. As can be seen from FIG.
  • the comb 33 can be adjusted in the direction of the double arrow 57 via the driven chain 36.
  • Adjustable connecting elements 37 which connect the comb 33 to the comb 34, guide the comb 34 when the comb 33 is adjusted and enable the combs 33, 34 to be adjusted relative to one another.
  • the teeth 133 of the comb 33 are straight, while the teeth 134 of the comb 34 have an inverted L-profile.
  • the horizontal legs of the teeth 134 run on the front side of the vertical leg of the teeth 133 of the comb 33.
  • the combs 33, 34, together with their guides 35, can be adjusted in height or with respect to the support area 21a by means of an adjusting device 39.
  • the adjusting device 39 can have guided slides, for example, which can be adjusted in height manually or automatically.
  • the stationary support area 21b is provided separated by the dividing line 61, as can be seen from FIGS. 2 and 3.
  • the support area 21b has a lattice structure.
  • the lattice structure of the support area 21b is made up of parallel lattice bars 58 which are spaced apart and each have a circular cross section.
  • a support rail 59 is provided adjacent to the support area 21a and has a rectangular base area. The bars 58 and the support rail 59 have the same length as the height-adjustable support area 21a.
  • a brush 24 is arranged above the support rail 59, which is oriented perpendicular to the support rail 59.
  • the brush handle is connected to a drive unit 25 which is fixed to the guide 109.
  • the height of the brush 24 can be adjusted by means of the pneumatically acting drive unit 25, for example.
  • a packing paper sheet 102 lying on the support area 21b can be held with the brush 24.
  • An adhesive distributor 23 is attached to the guide 209. This has a nozzle via which a narrow adhesive strip can be applied parallel to the edge 5 of the wrapping paper sheet 102.
  • FIG. 4 shows a slightly modified embodiment, in which the pressure stamp 32 has an L-shaped cross-sectional shape, the horizontal leg being provided with a deflection edge 132.
  • the deflecting edge 132 projects slightly beyond the long side 4 of the paper giant R. This allows the wrapping paper sheet 102 to be applied in a tensioned form to the top of the paper giant R.
  • the transverse fold impressed on the wrapping paper sheet 102 ensures good or crease-free application of the wrapping paper sheet 102 to the upper edge 62 of the paper giant R.
  • the paper sheets of the ream R can be prevented from creasing during the application of the wrapping paper sheet 102 in this way.
  • Two conveyor belts 38, 41 are provided below the support area 21b.
  • the conveyor belts 38, 41 are each aligned horizontally and spaced from each other.
  • the conveyor belts 38, 41 which can be driven in the opposite direction of rotation, receive the paper giant R from the support area 21a.
  • the height of the upper conveyor belt 38 is adjustable with respect to the lower conveyor belt 41. Furthermore, the upper conveyor belt 38 can be displaced in the horizontal direction.
  • the upper conveyor belt 38 is assigned a deflecting rod 40 which is arranged horizontally and has a U-shaped cross section.
  • the deflecting rod 40 arranged at the level of the upper conveyor belt 38 is adjustable in the horizontal direction.
  • the wrapping paper sheet 102 can be provided with a transverse fold at the deflection edge 132. This is achieved in that the wrapping paper sheet 102, which is held on the support area 21b by the brush 24, is pressed against the deflecting edge 132 and deflected thereon.
  • the transverse folding brings about a trouble-free application of the wrapping paper sheet 102 to the front edge area of the paper giant R.
  • the lower conveyor belt 41 which has a greater length than the upper conveyor belt 38, is followed by a further conveyor device 43, which leads to a unit, in which the front and rear end area of the wrapper is closed.
  • the upper paper giant R is pushed manually or automatically from the lifting table 50 to the stop elements 15, 115 onto the adjacent support bench 1.
  • the front edge of the paper giant R thus abuts the stop elements 15, 115.
  • the packaging paper tape 2 coming from the feed device 17 is guided to point B.
  • the rollers 3, 103 shown in FIG. 3 hold the end region of the wrapping paper tape 2 at the top of the support bench 1.
  • the paper giant R which is held in the lateral direction by the guide cheeks 55 of the stop elements 15, 115, is positioned such that the longitudinal side 4 of the paper giant R is arranged at the level of the dividing line 61 between the support region 21a and the support region 21b of the support surface 21.
  • the long side 4 of the paper giant R is also in this position when the format is changed.
  • the distance D1 between the long side 4 of the paper giant R and the edge 5 of the wrapping paper tape 2 is dimensioned such that the side area of the paper giant R and the top thereof can be covered with wrapping paper.
  • the distance D 2 which exists between the long side 104 and the edge 105 of the wrapping paper, is equal to the height H of the paper giant R extended by about 40 mm.
  • paper giant R with a length L between 530 and 1400 mm and a height H between 12 and 80 mm can be provided with a wrapping paper wrapping.
  • the wrapping paper sheet 102 thus projects beyond both the front edge and the rear edge of the paper giant R.
  • the length of the oversize of the wrapping paper sheet 102 depends on the chosen type of closure of the wrapping paper wrapper.
  • the grippers 6, 7, 8 arranged on the guides 9, 109, 209 grip the edge region of the paper giant R or the wrapping paper band 2 arranged underneath. As can be seen from FIGS. 2 and 3, the smaller gripper 8 only grips the wrapping paper band 2 or a wrapping paper sheet 102. By feeding the paper giant R together with the wrapping paper sheet 2, the paper giant R is protected during the feeding.
  • the feed device 17 is actuated, whereupon the wrapping paper reel 2 is unwound from the wrapping paper reel.
  • the wrapping paper tape 2 deflected on the deflection roller 52 lies between the drivable unwinding rolls of the feed device 17. According to the position shown in the solid line, the wrapping paper tape 2 in its starting position runs from the feed device 17 via the cutting device 18 to the top of the support bench 1, before being measured and perforated a deflection takes place on the intermediate tensioning roller 19.
  • a wrapping paper sheet 102 can be provided in two ways.
  • the position of points A, B and C, or their distance from one another, can be seen from FIG. 7.
  • the point A denotes the position of the cutting unit 18.
  • the point B denotes the end edge of the wrapping paper band 2 or the separation zone and the point C denotes the position of the front edge of the paper giant R defined by the stop elements 15, 115.
  • the length S 1 becomes the wrapping paper tape 2 held taut by the tension roller 19, which is pressed by its weight against the top of the wrapping paper tape 102.
  • the cutting unit 18 is activated.
  • the wrapping paper tape 2 is provided with a transverse perforation E extending transversely to its longitudinal direction.
  • the transverse perforation E is such that the wrapping paper tape 2 can be subjected to a certain tensile stress even after the transverse perforation has been applied and thus remains transportable.
  • the packaging paper tape 2 is in the dashed line position shown in FIGS. 1 and 7.
  • the transverse perforation E is thus still in the running direction of the wrapping paper base 2 in front of the tensioning roller 19.
  • the length S of the wrapping paper sheet 102 corresponds to the distance between the point E and the point B.
  • the distance between the points A and E is equal to the distance between the points A and B.
  • the exact cutting to lengths S1, S2 is achieved in that the unwinding rollers of the feed device 17 are designed as measuring rollers and are coupled to a measuring device which is connected to a control for the feeding device.
  • the length adjustment of the sheet is carried out by adjusting the cutting device 18.
  • the adjustment is carried out in such a way that the tape length between points A and B is equal to the length S of the wrapping paper sheet 102.
  • This process variant can then be carried out in one pass.
  • the tensioning roller 19 is provided in the paper feed direction in front of the cutting device 18, but behind the feed unit 17.
  • the "storage” formed by it is “emptied” when the ream R is transported. As in FIG. 7, the tearing takes place when the tensioning roller has reached its upper position, possibly determined by an adjusting screw 98.
  • the tensioning roller 19 and thus the "accumulator” could also be provided behind the cutting device, as in FIG. 7. In this version, the wrapping paper is prevented from slipping back, with a Free-running rollers 3 still arranged in front of the horizontal part of the table.
  • the provision of a suitably measured wrapping paper sheet 102 is carried out continuously during the packaging cycle in the operation of the packaging machine. This can increase productivity, since the feeding movement of the wrapping paper sheet 102 or the paper giant R can take place without interruption. To separate the wrapping paper sheet 102, only the wrapping paper tape 2 has to be stopped, while the wrapping paper sheet 102 can continue its feed movement.
  • the paper giant R is provided with a tubular or closed covering. At the end of the packaging cycle, only the front and back of the paper giant R then have to be closed by appropriately folding the wrapper.
  • the paper giant R is in the dashed line position shown in FIGS. 1 and 7.
  • the front of the paper giant R lies against the elements 15, 115 of the stop.
  • the wrapping paper tape 2 provided by the feed device 17 or the wrapping paper sheet 102 cut to length assumes the dashed line position. Accordingly, the tension roller 19 is in its lower position.
  • the pliers 6, 7, 8 close. At the same time, their displacement in the direction of arrow 54 is initiated.
  • the grippers 6, 7, 8 are driven by the drive belts 13, 14, which are not shown Drive unit are driven.
  • the synchronously operated grippers 6, 7, 8 are each guided on their own guides 9, 109, 209.
  • the height-adjustable support area 21a which according to FIG. 1 is in its upper position at this time, supports both the paper giant R and the wrapping paper tape 2.
  • the long side 4 of the paper giant R is arranged at the level of the dividing line 61 between the support area 21a and the support area 21b. In contrast, only packaging paper tape 2 rests on the support area 21b.
  • the tension roller 19 is raised in the vertical direction. Passing the transverse perforation E can be determined by the sensor 22. Before the grippers 6, 7, 8 have finished their displacement movement, the tensioning roller 19 reaches its upper end position, the wrapping paper tape 2 assuming the position shown in solid lines according to FIGS. 1 and 7. By pulling the grippers 6, 7, 8, the wrapping paper tape 2 is subjected to a tensile stress acting in its longitudinal direction. The unwinding rollers of the feed device 17 are blocked after the transverse perforation has exceeded the rollers 3, 103 which hold the wrapping paper tape 2 on the upper side of the support bench 1. This separates the transverse perforation E exactly. The transverse perforation E is separated at point B of the support bench 1. The paper band 2 then again assumes the position shown in solid lines in FIGS. 1 and 7, which represents the starting position. Accordingly, the separation of the transverse perforation E takes place exactly at the point B at which the head of the paper tape 2 was previously positioned.
  • transverse perforation E which had incisions of approximately 50 to 60 mm in length, between which bridges of approximately 1 to 3 mm were provided.
  • Such a transverse perforation E also leads to a sufficiently stable wrapping paper tape 2.
  • the wrapping paper sheet 102 projects over both the front and the rear edge of the paper giant R, the excess depending on the fold chosen to completely close the wrapper.
  • an adhesive strip is applied to the wrapping paper tape 2 or the wrapping paper sheet 102 in the region of its edge 5 by means of the adhesive distributor 23.
  • the grippers 6, 7, 8 open. With a further translation movement in the direction of the arrow 55, the grippers 6 become , 7, 8 led away from the paper giant R. Finally, the grippers 6, 7, 8 assume the position of the gripper 6 shown in solid lines in FIG. 1.
  • At least one of the grippers 6, 7 is expediently provided with a measuring sensor with which the height of the paper giant R can be determined. In the event of irregularities, the packaging machine can thus be stopped.
  • FIG. 1 At the beginning of the wrapping step for the paper giant R, it is in the position shown in FIG. 1, the support region 21a assuming its upper end position.
  • Fig. 2 is the position of the paper giant R or Packing paper sheet 102 is drawn in dashed lines at the beginning of the wrapping cycle.
  • the support area 21a can be lowered vertically downwards by the adjusting unit 27.
  • the paper rams R and the wrapping paper base 102 are held firmly on the support area 21a by the pressure stamps 31, 32 in the area of the long sides 4, 104.
  • the side areas of the paper giant R can be kept rigid. Thus, wrinkling can be avoided during the application of the wrapping paper sheet 102.
  • the wrapping paper sheet 102 is applied to the longitudinal side 4 of the paper giant R while the support area 21a is being lowered. This is stretched out by the brush 24 and held on the support area 21b and withdrawn from it via the support rail 59 and the deflection rod 40.
  • the teeth 133, 134 of the combs 33, 34 arranged in pairs are inserted into the recesses 26 of the support area 21a.
  • the combs 33, 34 are positioned by means of the adjusting device 39 beforehand at a short distance from the longitudinal side 104 of the paper giant R.
  • the small portion of the paper sheet 102 projecting laterally is applied to the longitudinal side 104 of the paper giant R (see FIG. 2).
  • the end region of the wrapping paper sheet 102 then protrudes somewhat in the region of the long side 104 above the top side of the paper giant R.
  • the teeth 133, 134 first assume the position shown in FIG. 2.
  • the end face of the horizontal leg of the tooth 134 is thus aligned with the outer upper side of the vertical leg of the tooth 133. This extends the effective tooth height.
  • the adjusting unit 37 is controlled in such a way that the comb 33 is brought together with the comb 34.
  • the horizontal leg of the teeth 134 places the short edge of the wrapping paper sheet 102, which projects above the top of the paper giant R, on this.
  • the long edge of the wrapping paper sheet 102 still resting on the support area 21b is then applied to the top of the paper giant in an automatic and rapid sequence of the individual method steps.
  • the pressure stamp 32 is raised somewhat from the top of the paper giant R.
  • the pressure stamp 32 is advantageously a few millimeters, e.g. B. 2 to 3 mm, above the top of the paper giant R.
  • the deflecting edge 132 of the plunger 32 then protrudes laterally, as shown in FIG. 4, the longitudinal side 4 of the paper giant R.
  • the deflecting rod 40 arranged below the support region 21b is thus against the Packing paper sheet 102 performed that it is pressed against the deflecting edge 132.
  • the latter is displaced transversely to the feed movement in the direction of the arrow 60, which is achieved by displacing the combs 33, 34.
  • the conveyor belts 38, 41 arranged below the support area 21b move at the same speed as the combs 33, 34.
  • the conveyor belt 38 is lowered onto the top of the paper giant R.
  • the lowered conveyor belt continuously places the wrapping paper sheet 102 on the upper side thereof while the paper giant R is being moved.
  • the deflecting rod 40 is withdrawn and the pressure stamp 32 is moved into its upper position.
  • the brush 24 is also raised so as not to come into contact with the adhesive strip applied to the wrapping paper sheet 102.
  • the comb 33 remains active and progressively moves away from the comb 34, finally taking the end position shown in solid line in FIG. 5, which corresponds to the starting position of the combs 33, 34 according to FIG. 2.
  • the upper rear edge of the wrapping paper sheet 102 which is held by the teeth 134 of the comb 34, progressively strips away from these teeth 134 and at the same time fits under the front upper edge of the wrapping paper sheet 102.
  • the wrapping process is finished when by means of the conveyor belt 38 the two edge areas are joined together on the adhesive strip.
  • the comb 33 also stops, which then returns to the rest position together with the comb 34.
  • the wrapping paper sheet 102 is completely wrapped around the paper giant R and fastened thereon.
  • the paper giant R is then taken over by the conveying device 43 and fed to a device for closing the end regions of the tubular paper wrapper.
  • the conveyor belt 38 then returns to its upper position.
  • the support area 21a is also returned upwards. The cycle described above can then be repeated.
  • this task is accomplished by the conveyor belt 38 itself.
  • a pronounced fold is applied to the wrapping paper sheet 102 between it and the deflection edge 132.
  • the pressure of the conveyor belt 38 against the deflection edge 132 can then be reduced, but should be maintained.
  • the wrapping paper sheet 102 is initially applied to the paper paper R by activating the conveyor belt 38.
  • the conveyor belt 38 is then guided away from the pressure stamp 32 or its deflecting edge 132 in order to enable the pressure stamp 32 to be carried away.
  • the further method steps are basically the same as in the embodiments described above.
  • a corresponding packaging paper sheet 102 is cut to length at the feed station of the packaging paper tape 2 and made available for a subsequent packaging cycle.
  • the feeding and wrapping of the paper giant R can be carried out without interruption.
  • the one across a perforation E wrapping paper sheets 102 connected to the wrapping paper band 2 can be separated while the paper giant R is being fed, whereby the grippers 6, 7, 8 can continue their feeding movement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Packaging Of Special Articles (AREA)
EP93104035A 1992-03-28 1993-03-12 Verfahren und Vorrichtung zur Bildung einer geschlossenen Umhüllung um einen Gegenstand Expired - Lifetime EP0563649B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4210231 1992-03-28
DE4210231A DE4210231A1 (de) 1992-03-28 1992-03-28 Verfahren und Vorrichtung zur Bildung einer geschlossenen Umhüllung um einen Gegenstad

Publications (3)

Publication Number Publication Date
EP0563649A2 EP0563649A2 (de) 1993-10-06
EP0563649A3 EP0563649A3 (fi) 1994-03-23
EP0563649B1 true EP0563649B1 (de) 1997-07-09

Family

ID=6455321

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93104035A Expired - Lifetime EP0563649B1 (de) 1992-03-28 1993-03-12 Verfahren und Vorrichtung zur Bildung einer geschlossenen Umhüllung um einen Gegenstand

Country Status (4)

Country Link
EP (1) EP0563649B1 (fi)
JP (1) JP3047341B2 (fi)
DE (2) DE4210231A1 (fi)
FI (1) FI101953B (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9290283B2 (en) 2012-03-16 2016-03-22 Pemco Inc. Method and apparatus for wrapping a folio ream of paper
DE102019120679A1 (de) * 2019-07-31 2021-02-04 Khs Gmbh Vorrichtung und Verfahren zur Bildung von Gebinden aus Einzelpackungen
CN113830346B (zh) * 2021-09-03 2023-01-24 山东奇润机械设备有限公司 一种高能混合炸药药块自动生产线用包装结构

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE503340C (de) * 1928-04-20 1930-07-24 Arthur Terrey Ausgabe- und Packvorrichtung fuer Druckerpressen
US2685157A (en) * 1949-07-09 1954-08-03 Lynch Corp Machine for wrapping articles and control therefor
DE1096822B (de) * 1958-08-08 1961-01-05 Erich Moeckel Vorrichtung zum Abzaehlen, Zusammentragen und Umhuellen von flexiblen Bogen, z.B. aus Papier
DE1114433B (de) * 1960-05-17 1961-09-28 Carl Drohmann Ges Mit Beschrae Einwickelmaschine fuer insbesondere prismatische Gegenstaende oder Stapel unterschiedlicher Formathoehe
GB929439A (en) * 1960-11-04 1963-06-26 Platt Brothers & Co Ltd Improvements relating to article feeding machines
SE376211B (fi) * 1968-06-11 1975-05-12 Wrapmatic Spa
FI81759C (fi) * 1988-12-16 1990-12-10 Veikko Ilmari Janhonen Anordning foer sluta en foerpackning runt en vara, som skall foerpackas.

Also Published As

Publication number Publication date
FI101953B1 (fi) 1998-09-30
EP0563649A3 (fi) 1994-03-23
DE59306850D1 (de) 1997-08-14
FI931351A0 (fi) 1993-03-26
JP3047341B2 (ja) 2000-05-29
EP0563649A2 (de) 1993-10-06
JPH0640426A (ja) 1994-02-15
FI101953B (fi) 1998-09-30
FI931351L (fi) 1993-09-29
DE4210231A1 (de) 1993-09-30

Similar Documents

Publication Publication Date Title
EP0050860B1 (de) Vorrichtung zum Bilden und Stapeln von von einer Folienschlauchbahn abgetrennten Abschnitten
DE1561966A1 (de) Verfahren und Vorrichtung zum Verpacken von Waren
DE2607438A1 (de) Maschine zum pressen und bandieren von stapeln
EP0968919B1 (de) Vorrichtung zum Umwickeln von quaderförmigen Gegenständen mit einem Bahnförmigen Umwickelmaterial
EP0890509A1 (de) Verfahren und Vorrichtung zum Umreifen von einzelnen Gegenständen oder von Stapeln von Gegenständen.
DE4206968A1 (de) Verfahren und vorrichtung zum automatischen einschlagen quadratischer oder rechteckiger stapel aus papiererzeugnissen
DE2200419B2 (de) Vorrichtung zur intermittierenden Zufuhr eines Abschnitts einer Folienbahn aus einer Vorratsrolle zum Verschließen eines Behälters
DE19533086A1 (de) Verfahren und Vorrichtung zum Stapeln von flächigen Erzeugnissen, insbesondere Druckereiprodukten
DE4016484C2 (de) Verpackungsvorrichtung für Bahnrollen
EP1515894B1 (de) Anlage zum verpacken eines in zickzackförmige schlaufen gelegten flexiblen bandes, insbesondere eines textilbandes
EP0563649B1 (de) Verfahren und Vorrichtung zur Bildung einer geschlossenen Umhüllung um einen Gegenstand
DE29917881U1 (de) Umreifungsmaschine zum Umreifen eines Gutstapels
DE2600350A1 (de) Verpackungsmaschine
DE2358389A1 (de) Verfahren und vorrichtung zum verpacken eines verpackungsguts
DE2612458C2 (de) Verfahren zum Aufrichten und Verkleben von zunächst ebenen, mit Falzlinien und Klebeflächen versehenen Kartonzuschnitten und zum Verpacken von Behältern in den entstehenden Kartons
DE1299548B (de) Maschine zum Umhuellen von Gegenstaenden mit Kunststoff-Folie
EP1050463B1 (de) Umreifungsmaschine zum Umreifen eines Gutstapels
DE29608305U1 (de) Packmaschine
DE2609672A1 (de) Verfahren und vorrichtung zum umwickeln eines gegenstandes mit einem band oder bogen
DE2559592C3 (de) Vorrichtung zum Zusammenpressen und Verpacken von Stapeln flach aufeinanderliegender Beutel o.dgl
DE3726139A1 (de) Vorrichtung zum automatischen auswechseln von folien-vorratsrollen
DE1511801C (de) Vorrichtung zum Einschlagen eines Stapels aus Papierbogen od. dgl
DE2109265C3 (de) Vorrichtung zum Umwickeln von aus flachen Gegenständen gebildeten Stapeln mit Hüllmaterial
DE2022194C (de) Verfahren und Maschine zur Verpackung von Packstücken in dehnbaren Folien aus Weichkunststoff
DE1286955B (de) Vorrichtung zum Einwickeln der Umfangflaeche eines Gegenstandes

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB IT NL PT SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB IT NL PT SE

17P Request for examination filed

Effective date: 19940702

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: BIELOMATIK LEUZE GMBH + CO

17Q First examination report despatched

Effective date: 19950905

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT NL PT SE

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19970709

REF Corresponds to:

Ref document number: 59306850

Country of ref document: DE

Date of ref document: 19970814

ITF It: translation for a ep patent filed
ET Fr: translation filed
REG Reference to a national code

Ref country code: PT

Ref legal event code: SC4A

Free format text: AVAILABILITY OF NATIONAL TRANSLATION

Effective date: 19970717

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20010226

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: PT

Payment date: 20010301

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20010319

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20010323

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20010326

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20010516

Year of fee payment: 9

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20020312

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20020313

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20020930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20021001

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20021001

EUG Se: european patent has lapsed

Ref document number: 93104035.6

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20020312

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20021129

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 20021001

REG Reference to a national code

Ref country code: PT

Ref legal event code: MM4A

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20020930

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050312