EP0120251B1 - Verfahren und Vorrichtung zum Umwickeln von vorzugsweise quaderförmigen Gegenständen mit einem bahnförmigen Umwickelmaterial - Google Patents

Verfahren und Vorrichtung zum Umwickeln von vorzugsweise quaderförmigen Gegenständen mit einem bahnförmigen Umwickelmaterial Download PDF

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Publication number
EP0120251B1
EP0120251B1 EP84101408A EP84101408A EP0120251B1 EP 0120251 B1 EP0120251 B1 EP 0120251B1 EP 84101408 A EP84101408 A EP 84101408A EP 84101408 A EP84101408 A EP 84101408A EP 0120251 B1 EP0120251 B1 EP 0120251B1
Authority
EP
European Patent Office
Prior art keywords
article
sheet
movement
path
wrapping
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
Application number
EP84101408A
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German (de)
English (en)
French (fr)
Other versions
EP0120251A1 (de
Inventor
Gottlieb Benz
Hans-Ulrich Stauber
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.)
Ferag AG
Original Assignee
Ferag AG
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 Ferag AG filed Critical Ferag AG
Priority to AT84101408T priority Critical patent/ATE28161T1/de
Publication of EP0120251A1 publication Critical patent/EP0120251A1/de
Application granted granted Critical
Publication of EP0120251B1 publication Critical patent/EP0120251B1/de
Expired legal-status Critical Current

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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
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/06—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
    • B65B11/08—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path
    • B65B11/10—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path to fold the wrappers in tubular form about contents

Definitions

  • the present invention relates to a method and a device for wrapping cuboid, compressible objects, in particular packages of flat products lying on top of one another, for example printed products, with a web-shaped wrapping material according to the preamble of claim 1 and claim 9.
  • the present invention is based on the object of providing a method and a device of the type mentioned at the outset which, while avoiding heat shrinkage, allows compressible objects to be wrapped around in a simple, rapid and cost-effective manner.
  • the wrapping device shown in FIGS. 1-5 has a frame 1 which carries the various components.
  • a belt conveyor 2 is mounted in the frame 1, which can be driven in the direction of arrow A.
  • a further belt conveyor 3 is arranged above this first belt conveyor 2 and can be raised and lowered in the direction of arrow C by means of a lifting device 4.
  • the conveying direction B of the second belt conveyor 3 runs parallel to the conveying direction A of the first belt conveyor 2.
  • a support table 5 is provided at a distance with a belt conveyor 6, the height of which is aligned with the first belt conveyor 2 and which can be driven in opposite directions D and D '(FIGS. 4 and 5).
  • the support table 5 is supported on a rotary mechanism 7, which enables the support table 5 to be rotated about its vertical axis 5a.
  • a further belt conveyor 8 is arranged above the support table 5, which can be driven in the direction of arrow E and can be raised and lowered in the direction of arrow F by means of a lifting device 9.
  • This belt conveyor 8 is located essentially at the same height as the upstream belt conveyor 3.
  • a belt conveyor designated by 10 is supported on the frame 1, which belt drive is driven in the direction of arrow G and which is aligned with the belt conveyors 2 and 6 .
  • These three belt conveyors 2, 6 and 10 define the path of movement of the object to be wrapped in a manner to be described.
  • a supply roll 11 is mounted, on which a web 12 of a wrapping material is wound.
  • this wrapping material is a plastic film with self-adhesive properties, e.g. B. a polyvinyli denchloride film, as it is commercially available under the name Saran.
  • This film 12 is guided by the supply roll 11 via a guide roll 13 and a deflection roll 14.
  • the film section 15 located behind this deflection roller 14 runs essentially in a vertical direction, ie transversely to the movement path of the object to be wrapped.
  • This film section 15 is held releasably in the region of its free end 15a by means of a stationary arrangement 16.
  • This holding arrangement 16 has one or more needles 16a which can be displaced in the direction of its longitudinal axis and penetrate the film section 15 in the active position.
  • the film section 15 is held tensioned between the deflection roller 14 and the retaining arrangement 16.
  • two retaining arrangements 17 and 18 are also attached to the latter, which correspond to the retaining arrangement 16 in terms of construction and also have two or more needles 17a and 18a which can be displaced in the direction of their longitudinal axis.
  • these needles 17a, 18a are shown in their retracted rest position.
  • one of the two holding arrangements 17 or 18 is opposite the holding arrangement 16 at a distance.
  • a separating device 19 which has a separating knife 19a which can be raised and lowered in the direction of the arrow H.
  • two rod-shaped driver elements 20 are arranged, which are connected at their ends to drive elements 21 which are only shown schematically. The latter are guided over deflection rollers 22 and 23, one of which is driven.
  • the driver elements 20 move in the vertical direction between an upper end position, which is shown in FIGS. 1, 2, 4 and 5, and a lower end position (FIG. 3), in which they are below the two opposing retaining arrangements 16 and 17 and adjacent to the separator 19.
  • the drive of the belt conveyors 6 and 8 is stopped.
  • the driver elements 20 are moved from their upper end position (FIG. 2) to their lower end position (FIG. 3).
  • these driver elements 20 are in their upper end position above the film section running on the top 24d of the package 24, so that the film 12 is carried along when the driver elements 20 move downward.
  • a loop 25 is formed, as shown in FIG. 3.
  • the two film sections 15 'and 26 forming this loop 25 are held in the region of their ends by the holding arrangement 16 and by the holding arrangement 17, respectively.
  • the support table 5 is rotated through its rotary mechanism 7 by 180 ° about its axis 5a.
  • the support table 5 is shown in its position after rotation.
  • the belt conveyor 8 is lowered onto the package 24 again.
  • the two belt conveyors 6 and 8 are driven in the direction of the arrows D 'and E, whereby the package 24 is moved forward in the direction of these arrows D', E against the belt conveyor 10 on the outlet side.
  • the film section 26 lies against the leading side 24b of the package 24, which was originally the rear side, while the protruding end section 26a of this film section 26 released by the retaining arrangement 17 is folded against the standing surface 24c of the package 24.
  • This folded end section 26a comes into contact with the film section designated 12a "in FIG. 5, which was placed on this standing surface 24c when the film section 15 was applied in a U-shape.
  • the two come into contact with one another Foil sections 26a and 12a "a releasable but retaining connection.
  • the package 24 wrapped with the film section 12 " is now transferred by the belt conveyor 10 to a removal conveyor which takes the package 24 to a further processing point. During this further transport, the printed products P wrapped in the film section 12" cannot fall apart. In addition, these printed products P are protected by this film section 12 ′′. If required, the finished package 24 can still be tied up.
  • FIGS. 6-15 corresponds both in terms of structure and effectiveness in many parts to the embodiment according to FIGS. 1-5. For this reason, the same reference numbers are used in FIGS. 6-15 for corresponding components as in FIGS. 1-5.
  • the structure and the mode of operation of this second embodiment are described below only with regard to the differences from the first embodiment.
  • the support table 5 cannot be rotated but can be raised and lowered in the direction of arrow I by means of a lifting mechanism 27.
  • two U-shaped support elements 28 and 29 are provided, which are arranged on both sides of the movement path of the package 24 (FIG. 13). Each of these two support elements 28 and 29 is pivotable about an axis 30 and 31 running parallel to the direction of movement of the object 24 and points at it. Axes 30, 31 opposite end on an angled support part 28a and 29a. As shown in FIGS. 13-15, the belt conveyor 6 is less wide than the package 24.
  • two rod-shaped turning elements 32 and 33 are also present, which extend transversely to the movement path of the package 24 and which are connected at their ends to drive elements 34, 34 '.
  • the latter can be driven in a manner not shown, so that the turning elements 32, 33 are moved in the direction of arrow K along a closed orbit.
  • the impact elements 32 and 33 lie opposite one another as shown in FIGS. 6-8 and 10-12.
  • the first step of the wrapping process namely the U-shaped application of the material web section 15 on three sides of the package 24, is exactly the same in both embodiments.
  • the projecting end section 26a of the film section 26 is concealed under the package 24 in the second embodiment differently than in the first embodiment. This omission of the end section 26a is now explained in more detail below.
  • the support elements 28 and 29 are pivoted away from the package 24 in their waiting position. This means that in this waiting position the support parts 28a, 29a do not engage under the package 24.
  • the support elements 28, 29 are now pivoted into their operative position, in which the support parts 28a, 29a come to rest below the package 24.
  • the support table 5 is lowered in the direction of the arrow I (FIG. 9).
  • the package 24 comes to rest with its base 24c on the support part 28a, 29a of the support elements 28, 29 in their operative position.
  • an intermediate space 35 is formed between the package 24 and the support table 5, ie the belt conveyor 6.
  • the impact elements 32 and 33 are set in motion in the direction of the arrow K.
  • the impact element 32 acts on the projecting end section 26a of the film section 26.
  • this projecting end section 26a which in the meantime has been released by the holding arrangement 17, is placed under the package 24.
  • the support parts 28a, 29a of the support elements 28, 29 come to lie between the package 24 and the folded end section 26a.
  • these impact elements 32, 33 are stopped.
  • the other wrapping element 33 is now ready for embossing the protruding end section 26a in the next package 24.
  • the support table 5 is raised again by means of the lifting mechanism 27, so that the package 24 comes to rest on the belt conveyor 6 (FIGS. 11 and 15).
  • the two overlapping ends 26a and 12a "of the film section 12" surrounding the package 24 are pressed together.
  • their support parts 28a, 29a are pulled away from the package 24.
  • This pulling away of the support parts 28a, 29a "arranged between the film end sections 26a and 12a” can be carried out without difficulty since, as already mentioned, the two film end sections 26a and 12a "by the belt conveyor 6, the dead weight of the package 24 and that exerted by the overhead belt conveyor 8 Press force are held together.
  • the completely wrapped package 24 is then transferred to the outlet-side belt conveyor 10, as shown in FIG. 12, which corresponds to FIG. 5.
  • the embodiment according to FIGS. 6-15 has the advantage over the embodiment according to FIGS. 1-5 that the winding cycle takes less time due to the absence of a rotary movement of the support table 5, which enables a higher work output.
  • both embodiments can be designed in different parts differently than as shown and described.
  • it can be expedient to hold the ends of the film sections 15 'and 26a in a manner other than with needles 16a, 17a, 18a, for example by means of negative pressure.
  • a polyvinylidene chloride film (Saran) is particularly suitable as a wrapping material because of its self-adhesive properties, it is of course also possible to use other materials, i. H. e.g. B. in addition to other plastic films also paper webs. When using such materials, it is u. However, it may be necessary to ensure by gluing or other suitable means that the overlapping end sections 26a, 12a "are connected to one another.
EP84101408A 1983-03-22 1984-02-11 Verfahren und Vorrichtung zum Umwickeln von vorzugsweise quaderförmigen Gegenständen mit einem bahnförmigen Umwickelmaterial Expired EP0120251B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84101408T ATE28161T1 (de) 1983-03-22 1984-02-11 Verfahren und vorrichtung zum umwickeln von vorzugsweise quaderfoermigen gegenstaenden mit einem bahnfoermigen umwickelmaterial.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH154383 1983-03-22
CH1543/83 1983-03-22

Publications (2)

Publication Number Publication Date
EP0120251A1 EP0120251A1 (de) 1984-10-03
EP0120251B1 true EP0120251B1 (de) 1987-07-08

Family

ID=4212871

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84101408A Expired EP0120251B1 (de) 1983-03-22 1984-02-11 Verfahren und Vorrichtung zum Umwickeln von vorzugsweise quaderförmigen Gegenständen mit einem bahnförmigen Umwickelmaterial

Country Status (9)

Country Link
US (1) US4738078A (un)
EP (1) EP0120251B1 (un)
JP (2) JPH0659883B2 (un)
AT (1) ATE28161T1 (un)
AU (1) AU567151B2 (un)
CA (1) CA1262679A (un)
DE (1) DE3464574D1 (un)
FI (1) FI76979C (un)
SU (1) SU1623561A3 (un)

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EP1848638A1 (en) * 2005-01-24 2007-10-31 Pukero Engineering OY Method and device for preparing a grand bale of pulp sheet and corresponding grand bale

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JP6225870B2 (ja) * 2014-10-03 2017-11-08 ブラザー工業株式会社 包装装置
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WO2019116578A1 (ja) * 2017-12-15 2019-06-20 三菱重工機械システム株式会社 段ボール箱の分割装置及び段ボール箱の製造装置
WO2019116579A1 (ja) 2017-12-15 2019-06-20 三菱重工機械システム株式会社 段ボール箱の分割装置及び段ボール箱の製造装置
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Cited By (2)

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Publication number Priority date Publication date Assignee Title
EP1848638A1 (en) * 2005-01-24 2007-10-31 Pukero Engineering OY Method and device for preparing a grand bale of pulp sheet and corresponding grand bale
EP1848638A4 (en) * 2005-01-24 2012-03-21 Pukero Engineering Oy METHOD AND DEVICE FOR PREPARING A LARGE PULP LEAF BLADE AND CORRESPONDING BIG LARGE

Also Published As

Publication number Publication date
ATE28161T1 (de) 1987-07-15
JPH0659883B2 (ja) 1994-08-10
JPS59187510A (ja) 1984-10-24
AU2586084A (en) 1984-09-27
DE3464574D1 (en) 1987-08-13
SU1623561A3 (ru) 1991-01-23
JPH0759406B2 (ja) 1995-06-28
FI841135A (fi) 1984-09-23
EP0120251A1 (de) 1984-10-03
AU567151B2 (en) 1987-11-12
FI76979C (fi) 1989-01-10
US4738078A (en) 1988-04-19
FI841135A0 (fi) 1984-03-21
JPH0692310A (ja) 1994-04-05
FI76979B (fi) 1988-09-30
CA1262679A (en) 1989-11-07

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