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EP0645341B1 - Procédé et dispositif pour l'identification et le triage des bouchons vissés en plastique ou en aluminium pour bouteilles ou conteneurs similaires après le processus de dévissage - Google Patents

Procédé et dispositif pour l'identification et le triage des bouchons vissés en plastique ou en aluminium pour bouteilles ou conteneurs similaires après le processus de dévissage Download PDF

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Publication number
EP0645341B1
EP0645341B1 EP94113755A EP94113755A EP0645341B1 EP 0645341 B1 EP0645341 B1 EP 0645341B1 EP 94113755 A EP94113755 A EP 94113755A EP 94113755 A EP94113755 A EP 94113755A EP 0645341 B1 EP0645341 B1 EP 0645341B1
Authority
EP
European Patent Office
Prior art keywords
heads
twist
unscrewing
screw caps
bottles
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
EP94113755A
Other languages
German (de)
English (en)
Other versions
EP0645341A1 (fr
Inventor
Manfred Adelski
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0645341A1 publication Critical patent/EP0645341A1/fr
Application granted granted Critical
Publication of EP0645341B1 publication Critical patent/EP0645341B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • B07B13/04—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B7/00—Hand- or power-operated devices for opening closed containers
    • B67B7/18—Hand- or power-operated devices for opening closed containers for removing threaded caps
    • B67B7/182—Hand- or power-operated devices for opening closed containers for removing threaded caps power-operated

Definitions

  • the invention relates to a method and a device for detecting and sorting aluminum and plastic screw caps of bottles and similar containers after the unscrewing process, according to the preamble of claim 1 and claim 2.
  • the declining reusable bottles must be freed of any screw caps that may have been screwed onto the bottle mouth before further treatment.
  • Various fully automated systems are known for this. Such a unscrewing machine is known for example from the company brochure "Adelski, Mannheim, PPE 80".
  • the return bottles with closures arriving on a conveyor belt are placed in a bottle sorting screw and from there they enter a bottle inlet star, which passes the bottles on to a central star via a belt guide.
  • the appropriate unscrewing heads lower onto the bottles and unscrew the existing closures from the bottle using a locking tool.
  • the unscrewing heads are designed so that any incoming bottles cannot be damaged at the mouth and thread without closure.
  • the central star then passes the bottles on to the discharge star, which forwards them to a conveyor belt running through the machine.
  • the closures twisted off the bottles are so long in the Unscrewing heads held until they are over a catch device. Here the twisted closures are released by the unscrewing head and fall into the closure catcher.
  • closures themselves are destroyed by the unscrewing head because it pierces through the closures.
  • Document DE-A-2752035 discloses a method and an apparatus which correspond to the subject matter of the preambles of claims 1 and 2.
  • the present invention is therefore based on the object of providing a method and a device by means of which detection and sorting, that is to say differentiation between the plastic and aluminum closures, is possible during the transport flow.
  • the invention takes on the property of the different caps with regard to their size, in particular their diameter.
  • Plastic screw caps have a larger diameter than aluminum screw caps. According to the invention, this difference in size or difference in diameter is now used to gradually eject the unscrewed caps.
  • the ejection plunger is controlled downwards via a stroke curve and opens by means of a control ring that slides on the corresponding control cams, the control levers arranged there. Now the unscrewed capsule, which until now has been held by the unscrewing plates, can fall down.
  • plastic capsule of aluminum separate, an additional step is installed on the stroke curve so that the unscrewing head first opens to a dimension of 29 mm, for example. Now the aluminum locks fall out.
  • the unscrewing head When the second stage is reached, the unscrewing head is opened to, for example, 34 mm, so that the plastic closures are ejected.
  • the difference in diameter of aluminum closures (28mm) compared to plastic closures (30mm) is used to sort them. If the unscrewing head unscrewed a plastic capsule, it is still held in place at the first stage (opening to 29mm). If an aluminum capsule had been unscrewed, it will be ejected in stage I. So the plastic capsule is only released at the second stage (opening 34mm).
  • FIG. 1 shows a cross section through a unscrewing machine 10.
  • a plurality of unscrewing heads 6 are arranged concentrically around a vertical axis 9.
  • the unscrewing heads 6 are formed, inter alia, from the gripping device 5 and the ejection plunger 11 (5 and 11 cannot be seen).
  • the unscrewing heads 6 are also able to rotate about their own axis 12. This is important for the actual unscrewing process so that the screw caps 13 can be properly removed from the bottles 14.
  • the bottles Prior to this, the bottles are pre-sorted and centered, then inserted into the work area of the unscrewing machine in accordance with the registration. This is done in a known manner, for example by means of a centering star.
  • the unscrewing heads 6 have a guide carriage 15 which travels the cam 1.
  • the dynamics of the control curve 1 can be seen in two places in this figure, in that in the left half of the picture the control curve in area A is higher than the control curve 1 in area B. If the guide carriage 15 works the control curve 1 concentrically around the vertical axis 9 of the unscrewing machine , this has a direct effect on the stroke behavior of the unscrewing heads 6, or their ejection plungers 11.
  • FIG. 2 which shows an enlargement of the unscrewing head, the further process sequence can now be described further and in more detail.
  • a de-screwing head 6 consists of the gripping device 5 and the ejection plunger 11.
  • the de-screwing head 6 or the gripping device 5 has a plier-like shape. In this illustration according to FIG. 2, however, only a pair of pliers is shown for the sake of simplicity.
  • control levers 18 are arranged pivotable about an axis 19 within corresponding recesses. On their inside, the control levers 18 carry corresponding obliquely entering control cams 20. On the lower end side, a holding plate 21 is arranged on both sides of the control lever 18. The opposite control levers 18 are biased by the tension spring 22. The caps are now gripped and unscrewed in a conventionally known manner.
  • the caps are now to be ejected, this is done via the respective position of the de-screwing head 6 on the control curve 1.
  • the cross pin 23 will strike the lower wall 24 of the elongated hole 25 on the control wall 1 during an upward stroke of the guide carriage 15, since the Move bells 16 together with piston 26 upwards and in doing so wipe the ejection plunger 11 with its control ring 27 over the control cams 20, whereby it reaches the raised cam part 29 via the bevel 28 and thus expands the gripping device 5.
  • stepless movement path 30 which is followed by a second stage 4.
  • This area is identified as ejection sector 2 as a whole.
  • the collection containers are also located here, which are schematically identified by the reference numerals 7 and 8.
  • the development of the control curve begins with the reference symbol (I).
  • the inlet (II) is marked in the range of 95 °, an increase above 10 ° (III) taking place beforehand.
  • a lowering takes place in the range of 55 ° (IV), followed by a lower curve of 80 ° (V) with an approximately 7 mm slope.
  • the curve continues with a 30 ° sector (VI) upwards, followed by a 70 ° outlet (VII) (top).
  • the present invention provides a method and a device by means of which, using the screw cap diameter, it is possible to recognize and sort between aluminum and plastic screw caps in order to continue to handle them separately, for example first to eject them into separate collection containers.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Articles To Conveyors (AREA)
  • Sorting Of Articles (AREA)
  • Discharge Of Articles From Conveyors (AREA)

Claims (2)

  1. Procédé de reconnaissance et de tri de bouchons filetés en aluminium et en plastique montés sur des bouteilles et récipients similaires après l'opération de dévissage, dans lequel on utilise une machine de dévissage rotative dotée de têtes de dévissage décrivant une course circulaire ou en arc de cercle, têtes qui saisissent les bouchons filetés montés sur les bouteilles ou récipients et les dévissent, enlèvent et éjectent par rotation, un coulisseau d'éjection activé par une came de commande provoquant directement ou indirectement l'élargissement du dispositif de saisie des têtes de dévissage des bouchons filetés et le lâchage de ceux-ci au-dessus d'un bac collecteur, caractérisé en ce que l'élargissement du dispositif de saisie des têtes de dévissage se fait à retardement et par palier grâce à au moins deux profils dans la came de commande, de manière à ce que:
    a) dans une première phase, lorsqu'est atteint le premier profil de la came de commande, les bouchons filetés de plus diamètre inférieur et,
    b) dans une seconde phase, après progression le long de la came de commande et atteinte du deuxième profil, les bouchons filetés de diamètre supérieur
    c) sont éjectés dans des bacs dont l'écartement dépend de la distance entre les profils.
  2. Equipement permettant la réalisation du procédé selon la revendication 1, avec un système de transport des bouteilles et des dispositifs de centrage qui placent les bouteilles (14) dans une position permettant une saisie appropriée en dessous de têtes de dévissage (6) correspondantes, en forme de pinces, selon lequel les têtes de dévissage sont réparties de manière concentrique autour d'un axe central et vertical (12) autour duquel elles décrivent une course circulaire ou en arc de cercle qui constitue la zone de travail et selon lequel les têtes de dévissage (6) montent et descendent au moyen d'une came de commande, où le dévissage puis l'éjection des bouchons filetés après séparation des bouteilles se fait par rotation des têtes de dévissage, caractérisé en ce que la came de commande (1) provoquant la montée et la descente des têtes de dévissage (6) présente au moins deux profils (3,4,) dans le secteur d'éjection, profils dont l'inclinaison, la hauteur et la longueur ainsi que la distance entre eux sont proportionnelles à l'ouverture du dispositif de saisie (5) des têtes de dévissage (6) et à la distance entre au moins deux bacs collecteurs (7,8).
EP94113755A 1993-09-21 1994-09-02 Procédé et dispositif pour l'identification et le triage des bouchons vissés en plastique ou en aluminium pour bouteilles ou conteneurs similaires après le processus de dévissage Expired - Lifetime EP0645341B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4331993 1993-09-21
DE4331993A DE4331993C1 (de) 1993-09-21 1993-09-21 Verfahren und Vorrichtung zur Erkennung und Sortierung von Aluminium- und Kunststoffschraubverschlüssen von Flaschen und gleichartigen Behältnissen nach dem Entschraubvorgang

Publications (2)

Publication Number Publication Date
EP0645341A1 EP0645341A1 (fr) 1995-03-29
EP0645341B1 true EP0645341B1 (fr) 1997-02-05

Family

ID=6498166

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94113755A Expired - Lifetime EP0645341B1 (fr) 1993-09-21 1994-09-02 Procédé et dispositif pour l'identification et le triage des bouchons vissés en plastique ou en aluminium pour bouteilles ou conteneurs similaires après le processus de dévissage

Country Status (3)

Country Link
EP (1) EP0645341B1 (fr)
AT (1) ATE148674T1 (fr)
DE (2) DE4331993C1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29621799U1 (de) 1996-12-18 1997-02-27 Krones Ag Hermann Kronseder Maschinenfabrik, 93073 Neutraubling Vorrichtung zum Abschrauben von Verschlußkappen von Gefäßen
CN111531905B (zh) * 2020-04-13 2025-06-27 北京机科国创轻量化科学研究院有限公司 一种带凸台软环铝塑组合水盖可实现连续组装的结构

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2752035A1 (de) * 1977-11-22 1979-05-23 Hermann Dr Datz Vorrichtung zum abschrauben von verschiedenartigen, wie metallischen und nichtmetallischen gewindeverschlusskapseln von unsortiert angefoerderten schraubverschlussflaschen und zum sortierten abgeben der abgeschraubten gewindeverschlusskapseln

Also Published As

Publication number Publication date
ATE148674T1 (de) 1997-02-15
DE59401757D1 (de) 1997-03-20
DE4331993C1 (de) 1995-03-16
EP0645341A1 (fr) 1995-03-29

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