EP0980831B1 - Procédé et appareil pour enlever les enveloppes d' articles - Google Patents

Procédé et appareil pour enlever les enveloppes d' articles Download PDF

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Publication number
EP0980831B1
EP0980831B1 EP99116018A EP99116018A EP0980831B1 EP 0980831 B1 EP0980831 B1 EP 0980831B1 EP 99116018 A EP99116018 A EP 99116018A EP 99116018 A EP99116018 A EP 99116018A EP 0980831 B1 EP0980831 B1 EP 0980831B1
Authority
EP
European Patent Office
Prior art keywords
wrapping
article
cut
suction
sleeve
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
EP99116018A
Other languages
German (de)
English (en)
Other versions
EP0980831A1 (fr
Inventor
Ernst Bosshard
Erwin Ochsner
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.)
SINOMEC AG
Original Assignee
SINOMEC 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 SINOMEC AG filed Critical SINOMEC AG
Publication of EP0980831A1 publication Critical patent/EP0980831A1/fr
Application granted granted Critical
Publication of EP0980831B1 publication Critical patent/EP0980831B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65B69/00—Unpacking of articles or materials, not otherwise provided for
    • B65B69/0033—Unpacking of articles or materials, not otherwise provided for by cutting

Definitions

  • the invention relates to a method and a device for removing envelopes from objects.
  • a disadvantage of this known method or the device is, for example, in it see that when opening or cutting open the case, the object through the knife can be injured. This means that the item will lose its new value can and thus becomes unusable. A similar risk of injury comes from the grippers off, at least temporarily or partially when removing the cover over the object could slide and scratch it, for example. This makes this device and This process is primarily used to reveal items declared unusable unless the object has a shape in which the envelope is not everywhere on the object rests. Then the knife has to work in this area.
  • EP 0 706 946 which is considered to be the closest prior art, discloses a method and a device for severing each a blank stack surrounding bands and known for their elimination. There grips a knife to cut the banderole between the upper blanks of the blank stack and also enters a section between the blanks. Subsequently one cross bar of the banderole is lifted by a suction device and by another The rest of the banderole is removed from the suction elements.
  • a disadvantage of this method and This device can be seen in the fact that it was only held together by the banderole, Have the stacked elements removed from the band. It must be between the There are at least small voids in individual stacked elements or blanks or be generated.
  • the The sleeve can also be ejected with the help of compressed air.
  • the advantages achieved by the invention can be seen in particular in that the removal covers, foils, etc. can be made from the objects without damaging them.
  • the strength of such foils can vary widely without being essential Adjustments to the device are necessary.
  • By making the shell with a cut is cut open in an area that is at a (albeit very small) distance the object always remains on a corresponding surface of the object undamaged, because the knife sticks out of the sheath, always only into space. Because the cut only affects a part of the length or the circumference of the object and so only a relative required short movement, the process can be carried out very quickly without being very long-stroke rapid movements of parts of the device are necessary.
  • FIG. 1 shows an object 1 with a shrink-wrapped, for example transparent, cover 2.
  • An arrow 3 gives on the one hand a path or direction for the movement of a knife and on the other hand an intersection.
  • An arrow 4 indicates in which direction the shell 2 in one Areas 5 is lifted off.
  • a line 6 shows the lifted casing 2 in the areas 5. The line 6 is crossed by arrow 3, which means nothing other than a cut through the lifted area 5 of the casing 2 is placed.
  • the path 3 of the knife follow the object 1 at the smallest possible distance without crossing or touching it. 2 shows the object 1 from FIG.
  • FIGS. 1 to 3 The most important steps of the method according to the invention are thus in FIGS. 1 to 3 recognizable, because from Fig. 1 the lifting of the casing 2 in the area 5 and the section in the Lane 3 recognizable. From Fig. 2 it can be seen how the cut envelope 2 and the object 1 against each other in a relative movement, because the ejector 11 pushes the object 1 between the jaws 7 and 8 upwards, the, through which Cut weakened shell tears open at the top, because it adheres laterally from the strongly adhering jaws 7, 8 is held back.
  • Fig. 3 shows the now detached from the object 1 2 from the Object 1 is pushed out in the direction perpendicular to the plane of the drawing.
  • FIG. 4 shows further details of the method.
  • the hill 22 is here by two height curves 23, 24 and a cutting line 25 illustrates.
  • FIG. 5 shows how the shell 2 opens further. This happens, for example, lengthways an edge 30 of the object 1 when this is in the direction of an arrow 31 upwards moves while the sleeve 2, for example, by frictional forces, which in the direction of arrows 32 act, is withheld.
  • a comparable effect can be expected if the Item 1 in the direction of an arrow 33 straight or an arrow 34 on a curved Web is moved.
  • Fig. 6 shows a device seen from the outside with all the necessary elements for processing an object in the sense of the invention.
  • a suction element 35 a cutting element 36, an element 37 for frictionally engaging the casing the object, an ejector 38 and another suction element 39 for suctioning the empty envelope.
  • Other elements of the device are described in the description of the operation presented.
  • Fig. 7 shows a perspective view of a suction element 35, with an oval here Suction opening 40, which includes mouths 41, 42 of two suction pipes 43, 44.
  • a drive 59 is provided to bring the suction opening 40 all the way up to the object and the Also pull back suction opening 40 with suctioned film or cover or from the object take off so that the cut can be made.
  • Connections 45, 46 are also provided which can supply the drive 59 with compressed air, for example.
  • Fig. 8 shows a perspective view of an assembly that the suction element 35 and the cutting element 36 comprises.
  • a knife can be seen in particular on the cutting element 36 20, which is fixed on a carriage 56 which is driven by a lifting cylinder 52
  • Objects 1 are stacked on a guide surface 47 on the device, the stack, not shown here, being supported laterally by a further surface 48, that the objects lie nicely on top of each other.
  • a further surface 48 Between the guide surface 47 and the Another surface 48 is an adjustable in width by moving the further surface 48 Gap 49 is provided, which is dimensioned such that a single object 1 through can be moved to the right in the picture.
  • Gap 49 is provided, which is dimensioned such that a single object 1 through can be moved to the right in the picture.
  • an item 1 like here, for example, a compact disk (CD) with its case moved to a position 50 be where it now lies in the area of influence of the suction element 35 Guide 51 and a pressure device 57 for that the object 1 beautiful on the Guide surface 47 abuts.
  • CD compact disk
  • the pressure device has 57 a pressure surface 58, which acts on the object by presses it against the guide surface 47.
  • Firmly connected to the pressure device 57 and The cutting element 36 can also be displaced with the pressure surface 58, so that the knife always positioned correctly in relation to the object and the path of the knife in the preset small distance to the object.
  • the suction pipes 43, 44 By applying a vacuum the suction pipes 43, 44, the suction device 35 is activated, previously by the drive 59 was delivered so that the cover, for example a transparent film, is sucked in. Together with the suctioned film, the suction opening 40 is moved back again, the The film or casing is lifted off the object 1, as is also the case in FIG.
  • a knife 20, 26 or the cutting element 36 is now activated, by moving in the direction of arrow 27 into the lifted-off casing 2 in the area 5 punctures and creates a cut 28
  • the knife 20, 26 attached to a pneumatically or hydraulically operating lifting cylinder 52, for example and driven by it. After the cut, the suction device 35 is removed from the vacuum uncoupled again and the pressure surface 58 moved back again.
  • the object 1 according to FIG. 6 along the guide surface 47 further shifted to the right, which is done via a shifting device, so that it gets between plates of element 37 for frictionally engaging the casing, of which only one plate 53 is visible here.
  • An opposite plate can, for example be formed by the guide surface 47 at this point.
  • the plate 53 by a hydraulic or pneumatic drive 54, against the guide surface 47 out, be adjustable and reset. In this position and with the plate 53 delivered, which also 2 with the jaws corresponding to the plates 7, 8, the ejector begins 11 its work, for which it is moved by a drive 55. After the stroke and possible return stroke of the ejector 11 (FIG.
  • the jaws 7, 8 are the object 1 removed or just moved back the plate 53 by the drive 54 Since the transparent film or Sheath 2 now, as shown in FIG. 5, opens sufficiently along edge 30 and as a result static charge due to the friction against the plate 53, the object 1 moved further to the right by a displacement device 60 and thus out of the Be ejected. The empty envelope is subsequently replaced by the further suction element 39 aspirated.
  • the article 1 can have a wide variety of shapes, different from that shown Shape can also vary significantly. However, it preferably points at least two to one another opposing surfaces that are seen at least in one direction continuously run, i.e. are not jagged. It is also clear that the different elements and Drives by a control, not shown here, in the sense of the method mentioned be coordinated.

Claims (9)

  1. Procédé pour enlever des enveloppes (2) d'articles (1), caractérisé en ce que l'enveloppe est relevée dans une zone (5) de l'article, que l'enveloppe est coupée dans la zone relevée, que l'enveloppe coupée est saisie par frottement et que l'article et l'enveloppe sont exposés l'un contre l'autre à un déplacement relatif (12), où l'enveloppe affaiblie par la coupe se déchire et l'enveloppe se détache de l'article.
  2. Procédé selon la revendication 1, caractérisé en ce que l'objet est poussé hors de l'enveloppe détachée de l'article, et que l'enveloppe est aspirée.
  3. Procédé selon la revendication 1, caractérisé en ce que l'enveloppe est coupée dans la zone dans une voie (3) qui s'étend parallèlement à l'article dans la zone.
  4. Procédé selon la revendication 1, caractérisé en ce que l'enveloppe est relevée par aspiration de l'article.
  5. Dispositif pour la mise en oeuvre du procédé selon la revendication 1, avec un élément d'aspiration (35) pour relever l'enveloppe de l'article dans une zone (5) pour une coupe (28), et un élément de coupe (36) pour exécuter une coupe dans la zone (5) dans l'enveloppe (2), caractérisé par un élément (37) pour saisir par frottement l'enveloppe coupées sur l'objet et un organe d'expulsion (38).
  6. Dispositif selon la revendication 5, caractérisé en ce qu'il est prévu un élément d'aspiration supplémentaire (39) pour aspirer l'enveloppe vide.
  7. Dispositif selon la revendication 5, caractérisé en ce qu'il est prévu pour l'élément de coupe une voie (3) qui s'étend parallèlement et à une petite distance d'une face (29) de l'article (1).
  8. Dispositif selon la revendication 5, caractérisé en ce que l'élément (37) est constitué de deux mâchoires (7, 8) rapprochables de l'article qui présentent une surface (16, 17) d'un coefficient de friction élevé.
  9. Dispositif selon la revendication 8, caractérisé en ce qu'il est prévu entre les mâchoires un organe d'expulsion (11).
EP99116018A 1998-08-20 1999-08-14 Procédé et appareil pour enlever les enveloppes d' articles Expired - Lifetime EP0980831B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH171698 1998-08-20
CH171698 1998-08-20

Publications (2)

Publication Number Publication Date
EP0980831A1 EP0980831A1 (fr) 2000-02-23
EP0980831B1 true EP0980831B1 (fr) 2003-05-28

Family

ID=4216935

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99116018A Expired - Lifetime EP0980831B1 (fr) 1998-08-20 1999-08-14 Procédé et appareil pour enlever les enveloppes d' articles

Country Status (3)

Country Link
EP (1) EP0980831B1 (fr)
AT (1) ATE241505T1 (fr)
DE (1) DE59905720D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3822183B1 (fr) * 2019-11-13 2023-01-04 Google LLC Ouverture et retrait automatiques de sac de blindage statique de disque dur

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007027878A1 (de) 2007-06-18 2008-12-24 Robert Bosch Gmbh Vorrichtung und Verfahren zum Entnehmen eines sterilen Gegenstands aus einer Sterilverpackung
DE102009027600A1 (de) * 2009-07-10 2011-01-13 Robert Bosch Gmbh Vorrichtung und Verfahren zum Öffnen einer Verpackung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4050223A (en) 1975-06-04 1977-09-27 Automation Steeg And Hoffmeyer Gmbh Device for unpacking bottles or similar articles in a shrink foil package
DE3822837A1 (de) * 1988-07-06 1990-01-11 Pavel Wilfried Maschinen Verfahren und vorrichtung zum auspacken von in geschlossener folienhuelle verpackter bekleidungsstuecke
US5190430A (en) * 1989-08-01 1993-03-02 G. D. S.P.A. Apparatus for feeding packaging machines with stacks of sheet material
DE4436330A1 (de) * 1994-10-11 1996-04-18 Focke & Co Verfahren und Vorrichtung zur Handhabung von Zuschnitt-Stapeln mit Banderolen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3822183B1 (fr) * 2019-11-13 2023-01-04 Google LLC Ouverture et retrait automatiques de sac de blindage statique de disque dur

Also Published As

Publication number Publication date
DE59905720D1 (de) 2003-07-03
ATE241505T1 (de) 2003-06-15
EP0980831A1 (fr) 2000-02-23

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