WO2021244849A1 - Dispositif de fermeture hermétique de contenants - Google Patents

Dispositif de fermeture hermétique de contenants Download PDF

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Publication number
WO2021244849A1
WO2021244849A1 PCT/EP2021/063225 EP2021063225W WO2021244849A1 WO 2021244849 A1 WO2021244849 A1 WO 2021244849A1 EP 2021063225 W EP2021063225 W EP 2021063225W WO 2021244849 A1 WO2021244849 A1 WO 2021244849A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
closing
base body
holding
guide
Prior art date
Application number
PCT/EP2021/063225
Other languages
German (de)
English (en)
Inventor
Uwe Wolf
Viktor SIEMENS
Nils SCHUG
Original Assignee
Khs Gmbh
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 Khs Gmbh filed Critical Khs Gmbh
Priority to EP21728485.0A priority Critical patent/EP4161861B1/fr
Priority to SI202130129T priority patent/SI4161861T1/sl
Publication of WO2021244849A1 publication Critical patent/WO2021244849A1/fr

Links

Classifications

    • 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
    • B67B3/00—Closing bottles, jars or similar containers by applying caps
    • B67B3/02—Closing bottles, jars or similar containers by applying caps by applying flanged caps, e.g. crown caps, and securing by deformation of flanges
    • 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
    • B67B3/00—Closing bottles, jars or similar containers by applying caps
    • B67B3/20—Closing bottles, jars or similar containers by applying caps by applying and rotating preformed threaded caps
    • B67B3/2013—Closing bottles, jars or similar containers by applying caps by applying and rotating preformed threaded caps by carousel-type capping machines
    • B67B3/2033—Closing bottles, jars or similar containers by applying caps by applying and rotating preformed threaded caps by carousel-type capping machines comprising carousel co-rotating capping heads

Definitions

  • the invention relates to a device for closing containers or the like according to the preamble of patent claim 1.
  • Container handling machines in the form of devices for closing containers are sufficiently known from the prior art in various designs and are also referred to as container closing machines or closers.
  • the present invention relates in particular to such a device as is used in the beverage industry and preferably has a capacity of more than 10,000 containers per hour, particularly preferably a capacity of 50,000 containers per hour.
  • Such closers are used, for example, in beverage filling systems and are usually arranged in the immediate vicinity of a corresponding filling station or filling machine in its direct connection, so that the freshly filled containers can be closed immediately after filling.
  • Closing devices of the type mentioned can be designed to close bottles or other containers with screw caps or as so-called crown corks for closing bottles with corresponding crown corks as container closures.
  • closing devices of a rotating type in which a plurality of container closing positions are formed on the circumference of a rotor which is driven to rotate about a vertical machine axis or central axis.
  • Each container closing position is assigned a closing element, which is also to be understood as a closing tool or a closing ram.
  • closing elements or closing tools of such closing devices can be moved axially between a raised and a lowered position along a vertical closing element axis by means of a lifting movement, this axial lifting movement also being understood as an infeed stroke.
  • This delivery stroke is usually generated by lifting curves, which are provided for height control of the closing elements.
  • Exemplary closing machines with cam-controlled closing elements are known from DE 10 2017 112 218 B3 or from WO 2010/118806 A2.
  • sealers are also known from the prior art which generate the feed stroke for each sealing station separately by means of a drive motor that can be operated in a controlled and / or regulated manner, as has become known, for example, from the publication DE 10 2007 057 857 A1.
  • the closing elements are positively guided all round in the lifting cam, the closing elements usually having connected rollers or running rollers for this purpose, which run forcibly guided on a guide surface of the lifting cam.
  • lubrication or roller lubrication in particular an application of lubricant, takes place in the area of the rollers and / or the guide surface of the lift cam, since dry running of the rollers on lift cams is currently not feasible.
  • a closing tool arranged on a closing element exerts a considerable force on the respective container closure, whereby the respective container closure is first brought into a sealing position with the container mouth that tightly closes the container interior from the environment. The container closure is then elastically and / or plastically deformed by the acting force in such a way that the closure maintains the sealing effect even after the effect of the force has ended.
  • the closing element is pulled off vertically upwards, as a result of which the closing tool is also separated from the container that has just been closed.
  • the container is not moved along with the upwardly moving closing tool during the separation, but remains essentially unchanged in terms of height - i.e. fixed in position - in its position that it was already in during the closing.
  • these guide elements interact directly with the shoulder of the respective container, the guide elements must be adapted very precisely to the outer contour of the container, which means that when the container type or format is changed, these guide elements - to another container with a different outer contour Dimensions - usually need to be replaced.
  • the object of the invention is to provide a device for closing containers in which the guide elements can be easily adapted to different container types and / or container formats.
  • the invention relates to a device of circumferential design for closing containers or the like, having a plurality of closing stations arranged on the circumference of a gyro that can be driven in a motor-driven revolving manner around a vertical central axis of the device for closing the containers with a container closure, the gyro rotating on a stationary central column extending along the vertical machine axis is arranged, the closing stations rotating around the central column each having at least one lowering and lifting movable closing element as well as a container carrier provided underneath the respective closing element, which is used to hold a respective container standing and / or hanging is provided rotating on the central column.
  • the present invention is particularly characterized in that at least one guide and holding device is provided with at least two guide elements adapted to each different container formats, which are rotatably arranged on the circumference of a base body of the guide and holding device that at least one guide element at least during the separation of the closure element from the container closed with a container closure with its respective container shoulder can be brought into an engagement position, while the at least one further guide element is in a non-engagement position.
  • the base body is designed to be rotatable by a defined angle of rotation such that a guide element adapted to the container format to be processed can be brought from a non-engagement position into an engagement position.
  • the holding and guiding device is provided in an angular region between a container inlet and a container outlet of the device, in which the respective closing element is removed from a container closed with a container closure.
  • the angular range extends over the last 40% of the entire container treatment path between the container inlet and the container outlet, as seen in the transport direction.
  • the guiding and holding device has a holding element, by means of which the guiding and holding device is arranged in a stationary manner on the device.
  • the base body is designed in a star shape and has the at least two guide elements adapted to the outer container geometry of the container shoulder on the circumference.
  • the plurality of guide elements are provided distributed at uniform or approximately uniform angular spacings on the circumference of the base body.
  • the base body is arranged so that it can rotate around an axis A by a motor.
  • the base body is non-rotatably connected to the axle in the area of a first free end of the axle, while the axle is rotatably supported on the holding element at its second free end opposite the first free end.
  • the guide and holding device for a motor-supported rotation of the base body have a stall drive, by means of which a regulated and / or controlled angular position of the base body can be approached.
  • the actuator is designed as a stepper motor, in particular as a servomotor.
  • the guiding and holding device has a locking device, by means of which the base body can be held in a rotationally secure manner in defined rotational angle positions.
  • Container in the context of the invention is understood to mean any container, in particular bottles, cans, cups, etc., each made of metal, glass and / or plastic, preferably made of PET (polyethylene terephthalate).
  • “Sealing machine of a rotating design” in the sense of the invention is a sealing machine with a circumferentially driven transport element, preferably a rotor, and with sealing stations formed on the transport element for closing the containers or the like.
  • the device denoted by 1 in FIG. 1 is a closing device or closing machine of revolving design for closing containers 20 such as bottles or the like with a crown cap and / or screw cap as a container closure 21.
  • a person skilled in the art knows the structure of a closure device with a container closure 21 in the form of a so-called crown cork (cf. (See FIG. 2) from DE 102017 112 218 B3, which also goes back to the applicant, or DE 102013 101 716 A1.
  • closure device 1 designed as a crown corker.
  • the invention can also be applied or used to a closure device for a screw closure as a container closure 21 without departing from the concept underlying the present invention.
  • FIG. 1 a special embodiment variant of a sealing machine 1 according to the invention is shown in FIG. 1 merely by way of example, with only a few components of the entire sealing machine 1, namely components, which are relevant to the description of the present invention, are explicitly explained and are provided with reference numerals in FIG. 1. Further components and elements of the sealing machine 1 that are not particularly significant in connection with the invention are not discussed in more detail here for reasons of clarity, but rather by reference to the relevant text passages of the documents DE 102018 124 874 A1, DE 10 2017 112 218 B3 or DE 102013 101 716 A1.
  • a filling machine (not shown in detail in the figures) for filling the container 20 with a liquid filling material is usually provided in spatial proximity.
  • the containers 20 filled by means of the filling machine are conveyed to the closing machine 1 via transport devices, for example conveyor belts, and are transferred to the closing machine 1 on the inlet side at a container inlet BE by transfer elements, for example an inlet star, which are also not shown in detail.
  • the containers 20 then closed in this way are transferred to a container outlet BA on the output side of the closing machine 1 from another, not shown and in the treatment direction A on the closing machine 1 subsequently provided transfer element, for example a discharge star, taken over and transported away in a manner known to the person skilled in the art.
  • transfer element for example a discharge star
  • the closing device 1 has a stationary central column ZS extending along a vertical central axis MA, on which at least one motor-driven rotating gyro 2 is provided, which rotates by motor-driven rotating in a direction of rotation indicated by the rounded double arrow.
  • Each closing station BS, BS ' has in each case at least one closing element 6, which extends along its length along a respective vertically oriented closing element axis VA.
  • the closing elements 6 are each designed to be movable up and down.
  • the closing elements 6 can be moved axially between a raised and a lowered position, namely in the vertical direction, up and down as they revolve around the top 2, for example by means of a lifting movement.
  • the closing element 6 of the closing station BS shown in FIG. 1 assumes the raised position and that of the closing station BS ′ shown on the right in FIG. 1 is in its lowered position.
  • the axial stroke movement is also understood as the delivery stroke and forms a height control of the closing elements 6.
  • a lift cam 4 can be provided for this height control, by means of which the closing elements 6 are positively guided around the central axis MA.
  • the closing elements 6 have a roller 5 on the upper side, namely at their upper end, which runs in a guided manner on a guide surface 4 a of the lifting cam 4.
  • the roller 5 therefore interacts via its running surface 5a with the guide surface 4a of the lifting cam 4, which in the sense of the present invention as a running along the roller 5 on the guide surface 4a of the lifting cam 4 but also as a sliding of the roller 5 along the guide surface 4a Lift curve 4 can be understood.
  • lubrication in particular an application of lubricant, such as grease, is provided in the area of the lifting cam 4 and the roller 5 to facilitate running or sliding of the roller 5 .
  • lubricant such as grease
  • the lifting curve 4 of the exemplary locking device 1 has an essentially L-shaped cross section with a horizontal and a vertical leg, the horizontally oriented leg forming or providing the guide surface 4a.
  • the vertical extent varies over the circumference of the lifting curve 4, in particular a length of the vertical leg which has the smallest length in the illustrated closing station BS and the greatest length in the closing station BS '.
  • An outer circumference 4.1 of the lifting curve 4 is defined by the approximately vertically oriented end face of the horizontally oriented leg, which also forms the outer, in particular radially outer circumferential surface and therefore defines the outside diameter of the lifting curve 4.
  • a further roller 5 ' is provided, which lies opposite the roller 5 in relation to the guide surface 4a of the lifting cam 4 and engages the horizontal leg of the lifting cam 4 on the underside.
  • the respective container carrier 8 can be designed as a standing (see FIG. 1) or hanging bracket (see FIG. 2) of the respective container 20 at the closing station BS, BS '.
  • a hanging bracket can be implemented, for example, as described in the publication DE 10 2017 112 218 B3 or DE 10 2007 057 857 A1.
  • the respective container carrier 8 is in turn provided or arranged so that it can rotate and lift on a carrier ring 7 that can be driven by a motor around the central column 4.
  • a carrier ring 7 that can be driven by a motor around the central column 4.
  • the closing movement that is to say the mutual pressing of the container 20 with the container closure 21
  • the container 20 can be lifted above the container carrier 8.
  • the container 20 can be raised above the container carrier 8 and the closing element 6 can also be lowered at the same time or with a time delay.
  • the container 20 can also be held in a fixed position with the container carrier 8 and only the closing element 6 can be lowered.
  • at least one guide and holding device 25 is provided with at least two guide elements 26 ...
  • At least one guide element 26 In the respective engagement position EP, at least one guide element 26.
  • the respective guide surface 26.1 ... 30.1 of the guide elements 26 ... 30 is adapted to different geometric container formats.
  • the respective guide surface 26.1 ... 30.1 is adapted to the geometric shape of the respective container shoulder 20.1 of a corresponding container format or container type.
  • the closure element 6 is pulled off vertically upwards, as a result of which the closure tool is also separated from the container 20 that has just been closed.
  • the holding and guiding device 25 is provided in an angular region of the closing machine 1 in which the respective closing element 6 is pulled off the container 20 closed with a container closure 21, ie has just been separated.
  • this angular range viewed in the transport direction A, is provided over approximately 0-30, preferably over 5-15% of the total container treatment path between the container inlet BE and the container outlet, counter to the transport direction A and in front of the container outlet BA.
  • the angular range extends over approximately the last 40% of the container treatment path between the container inlet BE and the container outlet BA.
  • the holding and guiding device 25 can be provided in a stationary manner on the sealing machine 1, in particular it can be arranged.
  • the holding and guiding device 25 can have a holding element 32, for example a holding plate, by means of which the holding and guiding device 25 is fixedly but detachably connected, in particular arranged, to the sealing machine 1.
  • the holding and guiding device 25 does not run together with the rotating gyro 2 of the sealing machine 1, but always remains in the same angular range of the sealing machine 1.
  • the holding element 32 can be arranged on the periphery of the rotating gyro 2, for example on the hall floor, or on the locking device 1 itself, for example on the foot or foundation ring of the locking device 1.
  • the holding element 32 is particularly advantageously arranged on the central column ZS.
  • the holding and guiding device 25 is provided so that it rotates with the gyro 2, that is to say rotates with it.
  • the holding and guiding device 25 can be arranged on the support ring 7 and / or top 2 by means of its holding element 32.
  • the base body 31 can be designed in a star shape and have the at least two guide elements 26 ... 30 adapted to the outer container geometry of the container shoulder 20.1 on the circumference. In more detail, four guide elements 26.
  • the respective opposite guide surfaces 26.1 and 28.1 or 27.1 and 30.1 of the respective associated guide elements 26 and 28 or 27 and 30 can be provided pointing away from one another.
  • the base body 31 of the guiding and holding device 25 can be arranged on an axis A rotatable by a motor.
  • the motor-driven rotatable axis A can be oriented in its longitudinal extension parallel to the machine axis MA or the closing element axis VA.
  • the base body 31 is arranged in a rotationally fixed manner in the area of a first free end E1 of the axis A, while the axis A is rotatably supported on the holding element 32, in particular received, at its second free end E2 opposite the first free end E1.
  • the guiding and folding device 25 can have a stall drive 37, by means of which a regulated and / or controlled angular position of the base body 31 can be approached.
  • the actuator 37 can be a stepper motor, in particular a servomotor, which has a rotary encoder.
  • the guiding and folding device 25 can have a locking device 38, by means of which the base body 31 can be held in a rotationally secure manner in defined rotational angle positions in order to avoid an unintentional adjustment of the angle of the base body 31 and / or to achieve precise compliance with the target angle.
  • the base body 31 can be rotated by a certain angle of rotation, preferably by an angle of rotation less than 360 °, preferably by an angle of rotation of approximately 90 °, so that a specific guide element 26 ... 30, adapted to the container format that is now to be processed, can be rotated from a non-engagement position NP into the engagement position EP.
  • the other guide elements 26 ... 30 present on the base body 31 are then in a non-engagement or waiting position NP. If a different container format is now to be processed, the base body 31 only has to be rotated again by a predefined angle of rotation in order to bring another guide element 26 ...
  • the base body 31 can be designed to be rotatable by a defined angle of rotation in such a way that a guide element 26 ... 30 adapted to the container format to be processed is rotated from a non-engagement position NP to an engagement position EP.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Of Jars (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)

Abstract

L'invention concerne un dispositif de fermeture hermétique de contenants (20) ou analogue. La présente invention est particulièrement caractérisée en ce qu'au moins un dispositif de guidage et de maintien (25) est pourvu d'au moins deux éléments de guidage (26...30) adaptés à différents formats de contenants, lesdits éléments sont conçus de façon à pouvoir tourner sur la circonférence d'un corps principal (31) du dispositif de guidage et de maintien de telle sorte qu'au moins un élément de guidage, au moins pendant la séparation de l'élément d'étanchéité (6) du récipient fermé hermétiquement par une fermeture de contenant (21), puisse être amené dans une position en prise avec l'épaulement de contenant (2.1) dudit contenant, tandis que le ou les autres éléments de guidage sont dans une position non en prise.
PCT/EP2021/063225 2020-06-04 2021-05-19 Dispositif de fermeture hermétique de contenants WO2021244849A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP21728485.0A EP4161861B1 (fr) 2020-06-04 2021-05-19 Dispositif pour la fermeture des récipients
SI202130129T SI4161861T1 (sl) 2020-06-04 2021-05-19 Naprava za zapiranje vsebnikov

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020114806.2A DE102020114806B3 (de) 2020-06-04 2020-06-04 Vorrichtung zum Verschließen von Behältern
DE102020114806.2 2020-06-04

Publications (1)

Publication Number Publication Date
WO2021244849A1 true WO2021244849A1 (fr) 2021-12-09

Family

ID=76181090

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2021/063225 WO2021244849A1 (fr) 2020-06-04 2021-05-19 Dispositif de fermeture hermétique de contenants

Country Status (4)

Country Link
EP (1) EP4161861B1 (fr)
DE (1) DE102020114806B3 (fr)
SI (1) SI4161861T1 (fr)
WO (1) WO2021244849A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2987313A (en) * 1957-05-28 1961-06-06 Owens Illinois Glass Co Bottle holder
US3309838A (en) * 1964-04-17 1967-03-21 Horix Mfg Company Capping machine
DE19523659C1 (de) * 1995-06-29 1996-09-26 Edmund Buscher Haltevorrichtung für Behältnisse
DE102007057857A1 (de) 2007-11-29 2009-06-04 Khs Ag Vorrichtung zum Verschließen von Behältern
WO2010118806A2 (fr) 2009-04-15 2010-10-21 Khs Gmbh Dispositif de fermeture pour capsules ou fermetures filetées
DE102013101716A1 (de) 2013-02-21 2014-08-21 Khs Gmbh Verschließelement zum Verschließen von Behältern sowie Verschließmaschine mit derartigen Verschließelementen
DE102017112218B3 (de) 2017-06-02 2018-08-09 Khs Gmbh Verschließmaschine umlaufender Bauart
DE102018124874A1 (de) 2018-10-09 2020-04-09 Khs Gmbh Vorrichtung zum Befüllen und Verschließen von Behältern

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2987313A (en) * 1957-05-28 1961-06-06 Owens Illinois Glass Co Bottle holder
US3309838A (en) * 1964-04-17 1967-03-21 Horix Mfg Company Capping machine
DE19523659C1 (de) * 1995-06-29 1996-09-26 Edmund Buscher Haltevorrichtung für Behältnisse
DE102007057857A1 (de) 2007-11-29 2009-06-04 Khs Ag Vorrichtung zum Verschließen von Behältern
WO2010118806A2 (fr) 2009-04-15 2010-10-21 Khs Gmbh Dispositif de fermeture pour capsules ou fermetures filetées
DE102013101716A1 (de) 2013-02-21 2014-08-21 Khs Gmbh Verschließelement zum Verschließen von Behältern sowie Verschließmaschine mit derartigen Verschließelementen
DE102017112218B3 (de) 2017-06-02 2018-08-09 Khs Gmbh Verschließmaschine umlaufender Bauart
DE102018124874A1 (de) 2018-10-09 2020-04-09 Khs Gmbh Vorrichtung zum Befüllen und Verschließen von Behältern

Also Published As

Publication number Publication date
EP4161861A1 (fr) 2023-04-12
DE102020114806B3 (de) 2021-07-01
SI4161861T1 (sl) 2024-05-31
EP4161861B1 (fr) 2024-03-13

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