EP3828128B1 - Vorrichtung und verschliessvorrichtung zum verschliessen eines behälters mit einem schraubverschluss - Google Patents

Vorrichtung und verschliessvorrichtung zum verschliessen eines behälters mit einem schraubverschluss Download PDF

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Publication number
EP3828128B1
EP3828128B1 EP20210543.3A EP20210543A EP3828128B1 EP 3828128 B1 EP3828128 B1 EP 3828128B1 EP 20210543 A EP20210543 A EP 20210543A EP 3828128 B1 EP3828128 B1 EP 3828128B1
Authority
EP
European Patent Office
Prior art keywords
drive part
container
coupling
closing
output drive
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.)
Active
Application number
EP20210543.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3828128A1 (de
Inventor
Georg Schiller
Monika Fuhrmann
Tobias Angetter
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.)
Krones AG
Original Assignee
Krones 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 Krones AG filed Critical Krones AG
Priority to SI202030099T priority Critical patent/SI3828128T1/sl
Publication of EP3828128A1 publication Critical patent/EP3828128A1/de
Application granted granted Critical
Publication of EP3828128B1 publication Critical patent/EP3828128B1/de
Active legal-status Critical Current
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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
    • B67B3/20—Closing bottles, jars or similar containers by applying caps by applying and rotating preformed threaded caps
    • B67B3/2073—Closing bottles, jars or similar containers by applying caps by applying and rotating preformed threaded caps comprising torque limiting means
    • B67B3/2086—Magnetic or electromagnetic clutches
    • 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
    • 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
    • B67B3/206—Means for preventing rotation of the container or cap

Definitions

  • the present invention relates to a device and a closing device for closing a container with a screw cap, preferably for closing a beverage container in a beverage bottling plant with a screw cap.
  • closing devices designed for this purpose for closing containers with a screw cap, which are also referred to as cappers or screw cappers.
  • Such devices for closing a container with a screw cap have a cap receptacle in which a screw cap to be screwed onto a container to close the container can be accommodated.
  • the device is rotated about an axis of rotation and lowered perpendicularly to the axis of rotation onto the container to be closed, so that the screw cap comes into contact with the container mouth.
  • the rotation of the device causes the screw cap to be unscrewed and the container to be closed by the screw cap.
  • a common type includes a magnetic coupling, which provides a rotational coupling of a drive element of the device, which provides the torque or rotation, and the closure receptacle.
  • Such magnetic couplings are based on the principle of the hysteresis coupling.
  • a plurality of magnetic elements which are connected to the drive element in a torque-proof manner, face a plurality of magnet elements, which are connected to the closure receptacle in a torque-proof manner.
  • a servo motor for specifying the rotation of the closure receptacle, by means of which a defined torque can be generated. Furthermore, the movements of the shutter mount can be controlled individually via the servo motor.
  • Devices for closing a container with a screw cap which have servomotors, are comparatively expensive and are therefore only preferable for certain applications. In the case of devices for closing a container with a screw cap, which are equipped with a hysteresis clutch, it can happen that the cap receptacle begins to rotate again as soon as the device is lifted from the container, i.e. removed, as this causes the screw cap and consequently the Container acting contact pressure is reduced.
  • an object of the present invention to provide an improved device for closing a container with a screw cap, preferably for closing a beverage container in a beverage bottling plant with a screw cap, and a closing device for closing containers with a screw cap.
  • a device for closing a container with a screw cap preferably for closing a beverage container in a beverage bottling plant with a screw cap, comprising a cap receptacle for receiving a screw cap, a drive element for providing a torque about an axis of rotation, and a magnetic coupling for rotational coupling of the drive element and the bolt receptacle.
  • the device is further characterized in that a further coupling is arranged between an output element, which is arranged on the output side of the magnetic coupling in relation to the drive element, and the closure receptacle.
  • the lock receptacle can be coupled or decoupled when the breakaway torque is reached, independently of the magnetic coupling and the breakaway torque take place from the driven element. In this way it can be achieved that a torque is only transmitted to the closure receptacle when this is necessary for screwing the screw cap onto the container closure, and then the closure receptacle is not locked by the rotational movement provided by the drive element or by the side, even if the tear-off torque is not reached torque provided by the drive element is rotated again.
  • input side or “input side” and “output side” or “output side” are to be understood here in relation to a corresponding component in the direction of power flow, with the power flow moving from the drive element to be provided initially with the torque or rotation to the final Torque or the rotation of the screw-transmitting closure receptacle extends.
  • the device is designed in such a way that the coupling and decoupling or decoupling of the further coupling is applied by means of the device when the screw cap is screwed onto the container mouth pressing force is controlled.
  • the pressing force can correspond to the force applied by the closure receptacle to the container closure in the closing direction, with which force the closure receptacle is pressed onto the container in the screwing-on direction.
  • the contact pressure of the device controlled by a lifting curve, for example, with which the device is pressed in the direction of the axis of rotation when the screw cap is screwed onto the container mouth, can be used, for example, to couple the further coupling when it is placed on the container mouth.
  • the device is also designed in such a way that when the device is lifted off the closed container or from the screw cap screwed onto the container, the further coupling is decoupled due to the resulting reduced contact pressure.
  • the further clutch has a drive part arranged on the input side and a driven part arranged on the driven side, with the driven part and the drive part preferably each having a coupling region for mechanical coupling to the coupling region of the other part in each case, with the coupling regions preferably being in the form of teeth are.
  • the further clutch has a drive part arranged on the input side and a driven part arranged on the driven side, with the driven part and the drive part preferably each having a coupling area for mechanical coupling with the coupling area of the other part in each case, with the coupling areas preferably being in the form of a magnetic or electromagnetic pairing are formed.
  • the output part and the drive part are preferably arranged to be displaceable relative to one another in the direction of the axis of rotation between a coupled position and a decoupled position.
  • the power supply can also be terminated in order to achieve a decoupled position.
  • the drive part is rotationally coupled to the driven element, with the drive part preferably being connected to the driven element by means of a Gearing is rotationally coupled or the drive part and the driven element are integrally formed.
  • the driven part can be rotationally coupled to the closure receptacle, with the driven part preferably being rotationally coupled to the closure receptacle by means of teeth or the driven part being formed in one piece with the closure receptacle.
  • the drive element can be arranged radially outside of the driven element at least in the area of the magnetic coupling relative to the axis of rotation.
  • the drive part is arranged radially inside the driven element in relation to the axis of rotation, this contributes to a simple construction of the device with a comparatively small installation space.
  • a bushing extending in the direction of the axis of rotation is provided in the drive part, the bushing being guided on the drive part in the direction of the axis of rotation, the driven part being essentially fixed to the bushing in the direction of the axis of rotation and the driven part being mounted on the bushing is rotatably mounted about the axis of rotation, preferably by means of a roller bearing, particularly preferably by means of a ball bearing, and wherein the bushing has a stop, which is arranged opposite the driven part with respect to the drive part, for striking on the drive side against a stop surface of the drive part.
  • a distance in the direction of the axis of rotation between the stop and the coupling area of the driven part is preferably greater than a distance in the direction of the axis of rotation between the stop surface and the coupling area of the drive part.
  • the bushing can extend radially inside the drive part in relation to the axis of rotation, the stop being designed as a projection pointing radially outwards.
  • the driven part can be arranged radially outside of the bushing.
  • a spring is provided for biasing the further clutch into the decoupled position, in which no torque can be transmitted via the further clutch.
  • a stop disk is arranged in the closure receptacle for transmitting a contact pressure to a screw cap held in the closure receptacle during a closure process.
  • closure receptacle has a closure cone for transmitting the torque provided by the drive element.
  • a closing device for closing a container with a screw cap, preferably for closing a beverage container in a beverage bottling plant with a screw cap, with the features of claim 12.
  • a closing device for closing a container with a screw cap preferably for closing a beverage container in a beverage bottling plant with a screw cap
  • a container holding device for holding a container preferably for holding a container on its retaining ring.
  • the closing device is characterized by a device for closing a container with a screw cap, preferably for closing a beverage container in a beverage bottling plant with a screw cap, according to one of the above embodiments.
  • the closing device has a device for closing a container with a screw cap, preferably for closing a beverage container in a beverage bottling plant with a screw cap according to one of the above embodiments, the advantages and effects described with regard to the device can be achieved in an analogous manner by the closing device .
  • FIG 1 a schematic sectional view through a device 1 for closing a container 18 with a screw cap 17 is shown.
  • the container 18 is a beverage container in the form of a PET bottle, which is provided for bottling a beverage in a beverage bottling plant.
  • the device 1 comprises a closure receptacle 2 for receiving a screw closure 17 to be applied to the container 18. It also comprises a drive element 3, which provides a torque or a rotation about an axis of rotation 4, and a magnetic coupling 5 for rotationally coupling the drive element 3 and the shutter mount 2.
  • the magnetic coupling 5 is constructed in a manner known per se according to the principle of the hysteresis coupling. It comprises a plurality of magnetic elements arranged in the circumferential direction around the axis of rotation 4 on an output element 6, which face a hysteresis ring made of non-magnetized permanent magnet material on the drive element 3, with the drive element 3 being arranged radially outside of the output element 6 in relation to the axis of rotation 4 in the area of the magnetic coupling 5 is.
  • the magnetic clutch 5 provides an essentially slip-free torque transmission below a predetermined breakaway torque. Above the breakaway torque, the drive element 3 spins relative to the driven element 6 .
  • the device 1 also has a further clutch 7 , which is arranged between the output element 6 , which is arranged on the output side of the magnetic coupling 5 in relation to the drive element 3 , and the closure receptacle 2 .
  • the further clutch 7 provides the possibility of decoupling the closure receptacle 2 from a torque provided by the drive element 3 or from a rotation additionally provided by the drive element 3 independently of the magnetic clutch 5 .
  • the further clutch 7 has a drive part 8 arranged on the input side and a driven part 9 arranged on the driven side, with the driven part 9 and the drive part 8 each having a coupling area 80, 90 for mechanical coupling to the coupling area 90, 80 of the other part in each case.
  • the coupling areas 80, 90 are designed in the form of teeth.
  • the coupling area 80 has a plurality of teeth and the coupling area 90 has a plurality of teeth formed corresponding to the teeth of the coupling area 80 .
  • the driven part 9 and the drive part 8 are in the direction of the axis of rotation 4 relative to each other between a coupled position, in which the coupling areas 80, 90 engage and thus provide torque transmission, and a decoupled position, in which the coupling areas 80, 90 are disengaged thus providing no torque transmission, displaceable.
  • a coupled position in which the coupling areas 80, 90 engage and thus provide torque transmission
  • a decoupled position in which the coupling areas 80, 90 are disengaged thus providing no torque transmission, displaceable.
  • the further clutch 7 is shown in the decoupled position.
  • the stripping part 9 is integrated into the lock receptacle 2 in one piece.
  • the closure receptacle 2 has the coupling area 90 .
  • toothing 10 is provided between them, with the driven element 6 being arranged radially outside of the drive part 8 in relation to the axis of rotation 4 .
  • an optional bushing 11 extending in the direction of the axis of rotation in the drive part is also provided, with the bushing 11 being guided in the direction of the axis of rotation 4 on the drive part 8 .
  • the driven part 9 in turn is mounted essentially fixed on the bushing 11 in the direction of the axis of rotation 4 and is rotatably mounted about the axis of rotation 4 by means of a ball bearing 13 .
  • the bushing 11 has a stop 12 , which is arranged opposite the driven part 9 with respect to the drive part 8 , for striking on the drive side against a stop surface 82 of the drive part 8 .
  • the bushing 11, the drive part 8 and the driven part 9 are designed in such a way that a distance in the direction of the axis of rotation 4 between the stop 12 and the coupling region 90 of the driven part 9 is greater than a distance in the direction of the axis of rotation 4 between the stop surface 82 and the coupling area of the drive part 80.
  • the bushing 11 extends radially inside the drive part 8 in relation to the axis of rotation 4, the stop 12 being designed as a projection pointing radially outwards. Furthermore, the driven part 9, and therefore the closure receptacle 2, is arranged radially outside of the bushing 11.
  • the lock receptacle 2 can therefore rotate about the bushing 11 via the ball bearing 3 . If the further coupling 7 is moved into the coupled position, in which the coupling regions 80, 90 engage in one another, the closure receptacle 2 rotates together with the drive part 8 and the driven element 6, which is mechanically coupled in rotation with it.
  • the spring 14 is supported on the drive side, ie in relation to the driven part 9 or the closure receptacle 2, on the driven element 6 and the spring 14 is supported on the bushing 11 on the driven side. Consequently, due to its preload, the spring 14 presses the bushing 11 and the driven part 9 or the closure receptacle 2 away from the drive part 8 in relation to the direction of the axis of rotation 4, so that the coupling regions 80, 90 are disengaged.
  • closure receptacle 2 there is also a stop disk 15 for transmitting a contact pressure to the screw cap 17 held in the closure receptacle 2 during a closing process arranged.
  • the closure receptacle 2 has a closure cone 16 for receiving the screw closure 17 with an essentially precise fit and for transmitting the torque provided by the drive element 3 .
  • the container 18 is held from below by means of a spike plate 21 provided with spikes 22 on a retaining ring 20 arranged on the container 18 below the container mouth 19 .
  • the additional clutch 7 is always held in the decoupled position by the spring 14 . If the device 1 is lowered onto the container 18 to be closed, which is held by the spike plate 21, in the direction of the axis of rotation 4, there is initially contact between the screw cap 17 and the container mouth 19 of the container 18 1 applied contact pressure the bias of the spring 14, the drive part 8 is moved in the direction of the driven part 9 until the coupling areas 80, 90 engage and so the further clutch 7 arrives in the coupled position. From this point in time, the torque provided by the drive element 3 or the rotation provided by the drive element 3 can be transmitted to the screw cap 17 by means of the cap receptacle 2, so that the screw cap 17 is screwed onto the mouth area 19 of the container 18.
  • the spring 14 initially continues to press the cap receptacle 2 against the screw cap 17 .
  • the coupling areas 80, 90 are disengaged. Accordingly, it can be achieved that when the frictional torque between the closing cone 16 and the screw cap 17 decreases due to the decreasing contact pressure force on the screw cap 17, there is no rotation of the cap receptacle 2 due to a torque transmission by means of the magnetic coupling 5 if the aforementioned torque falls below the level of the tear-off torque.
  • the spring 14 continues to press the container 18 with its retaining ring 20 against the spike plate 21 for a short period of time, which can provide additional security against the container 18 twisting.
  • FIG figure 2 1 is a schematic sectional view of a portion of the device 1.
  • FIG figure 1 can be seen, which shows the other clutch 7 in the decoupled position in detail.
  • the bushing 11 strikes with its stop 12 against the stop surface 82 of the drive part 8, as described above, so that the coupling areas 80, 90 are disengaged.
  • the distance between the stop 12 and the coupling area 90 is greater than the distance between the stop surface 82 and the coupling area 80. Consequently, there is a gap 23 between the driven part 9 and the drive part 8, which is greater than the tooth height of the coupling areas 80, 90 .
  • figure 3 1 is a schematic sectional view of the further clutch 7 figure 2 shown in the engaged position.
  • the driven part 9 is moved towards the drive part 8 against the preload of the spring 14, so that the coupling regions 80, 90 are in engagement with one another.
  • the gap 23 between the stop 12 and the stop surface 82 is correspondingly present.
  • figure 4 shows the device 1 again with the further clutch 7 in the coupled state, as in detail figure 3 refer to.
  • FIG 5 shows a schematic sectional view through a closing device 100 for closing containers 18 with a screw cap 17.
  • the closing device 100 is designed in a rotary design. It has a rotating carousel, comprising a container holding device 110 for holding containers 18 and a plurality of devices 1 for closing a container 18 with a screw cap 17 according to the embodiment described above.
  • the container holding device 110 has a plurality of spike plates 21 for holding a container 18 on its retaining ring 20, each of the spike plates 21 being assigned to a device 1 in each case.
  • the devices 1 are arranged on the closing device 100 so that they can be moved in the direction of the axis of rotation 4 , so that a distance between the device 1 and the container 18 held on the respective spike plate 21 can be changed by moving the device 1 along the axis of rotation 4 .
  • the device 1 shown on the left is held in a raised position in which it can accept a screw cap 17 from a cap transfer 120 of the capping device 100 .
  • the device 1 shown as an example on the right in FIG. 6 is on the her associated container 18 lowered down to this as regards the Figures 1 to 4 described with a screw cap 17 to close.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Sealing Of Jars (AREA)
  • Closures For Containers (AREA)
EP20210543.3A 2019-11-28 2020-11-30 Vorrichtung und verschliessvorrichtung zum verschliessen eines behälters mit einem schraubverschluss Active EP3828128B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI202030099T SI3828128T1 (sl) 2019-11-28 2020-11-30 Naprava in zapiralna naprava za zapiranje vsebnika z zamaškom z navojem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019132298.7A DE102019132298A1 (de) 2019-11-28 2019-11-28 Vorrichtung und Verschließvorrichtung zum Verschließen eines Behälters mit einem Schraubverschluss

Publications (2)

Publication Number Publication Date
EP3828128A1 EP3828128A1 (de) 2021-06-02
EP3828128B1 true EP3828128B1 (de) 2022-09-14

Family

ID=73646123

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20210543.3A Active EP3828128B1 (de) 2019-11-28 2020-11-30 Vorrichtung und verschliessvorrichtung zum verschliessen eines behälters mit einem schraubverschluss

Country Status (4)

Country Link
EP (1) EP3828128B1 (zh)
CN (1) CN112850604B (zh)
DE (1) DE102019132298A1 (zh)
SI (1) SI3828128T1 (zh)

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH636063A5 (de) * 1979-04-25 1983-05-13 Obrist Ag Albert Verschliessvorrichtung zum aufschrauben eines kunststoff-schraubverschlusses.
US4599846A (en) * 1984-04-19 1986-07-15 Aluminum Company Of America Capping head
US4674264A (en) * 1986-02-03 1987-06-23 Aluminum Company Of America Screwcapping head with a hysteresis clutch
DE4131910C2 (de) * 1991-09-25 1994-04-07 Heinlein Plastik Technik Gmbh Vorrichtung und Verfahren zum Aufschrauben von Schraubverschlüssen
US5437139A (en) * 1991-11-04 1995-08-01 Anderson-Martin Machine Co. Capping machine head with cap aligning chuck
US6240678B1 (en) * 1998-07-09 2001-06-05 Karl Heinz Spether Capping head with torque adjustment
US5996311A (en) * 1998-08-10 1999-12-07 Krones, Inc. Device for tightening caps on containers
DE29921343U1 (de) * 1999-12-03 2000-02-10 Khs Masch & Anlagenbau Ag Verschließvorrichtung zum Aufschrauben von Verschlußkappen auf Behälter
US6941724B2 (en) * 2001-06-07 2005-09-13 Klockner Khs, Inc. Screw capping head
CN200985271Y (zh) * 2006-12-04 2007-12-05 杰宏铁工厂股份有限公司 取盖旋盖封盖装置
CN201261710Y (zh) * 2008-08-22 2009-06-24 天津津美饮料有限公司 可调节扭矩的气动旋盖器
CN101381067B (zh) * 2008-10-20 2010-08-18 长沙楚天科技有限公司 带离合器的托瓶部件
DK2502875T3 (da) * 2011-03-24 2014-08-25 Antonio Mengibar S A Magnetisk kobling
CN102976247A (zh) * 2012-12-10 2013-03-20 江苏新美星包装机械股份有限公司 旋盖头离合器装置
CN204237540U (zh) * 2014-09-23 2015-04-01 上海昊宇机械有限公司 一种用于真空异型封罐机天轴的传动调节结构

Also Published As

Publication number Publication date
CN112850604A (zh) 2021-05-28
EP3828128A1 (de) 2021-06-02
DE102019132298A1 (de) 2021-06-02
CN112850604B (zh) 2022-11-01
SI3828128T1 (sl) 2022-11-30

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