EP0321829A1 - Machine d'embouteillage rotative à mouvement continu - Google Patents

Machine d'embouteillage rotative à mouvement continu Download PDF

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Publication number
EP0321829A1
EP0321829A1 EP88120778A EP88120778A EP0321829A1 EP 0321829 A1 EP0321829 A1 EP 0321829A1 EP 88120778 A EP88120778 A EP 88120778A EP 88120778 A EP88120778 A EP 88120778A EP 0321829 A1 EP0321829 A1 EP 0321829A1
Authority
EP
European Patent Office
Prior art keywords
bottle
filling
slide
bolt
filling device
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.)
Granted
Application number
EP88120778A
Other languages
German (de)
English (en)
Other versions
EP0321829B1 (fr
Inventor
Wilhelm Weiss
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
Krones AG Hermann Kronseder Maschinenfabrik
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, Krones AG Hermann Kronseder Maschinenfabrik filed Critical Krones AG
Publication of EP0321829A1 publication Critical patent/EP0321829A1/fr
Application granted granted Critical
Publication of EP0321829B1 publication Critical patent/EP0321829B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/24—Devices for supporting or handling bottles
    • B67C3/246—Bottle lifting devices actuated by cams

Definitions

  • the invention relates to a continuously operating rotary bottle filling device according to the preamble of claim 1.
  • PET bottles which have a relatively thick-walled collar in the area of their mouth, have recently been increasingly filled in bottle filling devices, while their walls, including the bottom, are thin-walled.
  • bottle filling devices While their walls, including the bottom, are thin-walled.
  • excessive axial pressure often occurred when pressed against the filling elements, which the thin wall surfaces of the bottles could not withstand.
  • bottle filling devices have been developed which have a gripping device for the bottle collar instead of a base for the bottle bottom in order to avoid axial overloading of the bottles.
  • a bottle filling device with such gripping devices is known, each of which is attached to a vertically movable carriage.
  • the slide guide is mounted on the outside of the valve body of the filling element and is firmly connected at its lower end to the U-shaped gripping device for the neck collar.
  • a compression spring is applied, which acts on the carriage upwards.
  • the carriages are raised and lowered, each controlled by a fixed control cam. Since in the upper filling position the minimally tensioned compression spring still has to produce the necessary contact pressure for the bottle mouth, the spring force rises sharply when the bottles are lowered, so that considerable spring forces have to be absorbed by the control cam or the slide. This leads to considerable signs of wear, particularly in the case of the control curves. If, on the other hand, the compression springs in this known bottle filling device are replaced by pressure medium cylinders, there is a risk of the filling elements and the bottles being contaminated by escaping pressure oil or lubricating oil of the compressed air, so that this solution is also unsatisfactory.
  • a bottle filling device of the type mentioned is also known, in which an excessive load on the control tracks is avoided.
  • a locking device is provided, which locks the carriage in the upper filling position, while the required contact pressure of the bottle mouth is caused by the fact that the filling element with the sealing element is supported on the liquid kettle by means of a compression spring.
  • the filling element is raised against the pressure of the tensioning spring in the last area of the lifting movement of the bottles until the Locking device locks the carriage.
  • the sealing element of the filling element is arranged such that it can be moved vertically under the liquid kettle, the distance between the sealing element against which the bottle mouth lies when filling and the seat of the liquid valve is relatively large, which is disadvantageous for reasons of filling technology.
  • the cavities and annular gaps within the sliding sleeve carrying the sealing element are also difficult to clean.
  • the present invention is therefore based on the object of further developing a rotary bottle filling device of the type under consideration so that it fully meets the filling technology requirements, and its mechanical structure should be simple and robust.
  • the gripping device for the bottle collar is arranged such that it can move vertically with respect to the respective carriage and is elastically supported on the spring device, which creates the necessary contact pressure for the bottle neck, while the filling element is arranged in a height-fixed manner under the filling kettle, so that the seal of the filling element is located directly below the seat of the liquid valve. This considerably shortens the distance between the bottle mouth and the seat of the liquid valve and largely avoids cleaning problems of the filling element.
  • control track, slide and filling element are subjected to only slight mechanical loads, so that the wear is correspondingly small.
  • two screw bolts are fastened to the gripping device, which are guided in a vertically movable manner in a bracket of the slide and are each pressed upwards by a compression spring which is arranged between the bracket and the upper end of the screw bolts.
  • the locking device has a blind hole, preferably formed in the wall of the liquid vessel, into which a displaceable bolt, preferably integrated into the axis of the roller, engages when the upper filling position is reached.
  • the blind hole is formed at such a height that the compression springs are tensioned during the last section of the lifting movement of the slide. This means that first the bottle neck runs onto the height-fixed seal of the filling element, whereby the gripping device is brought to a standstill. However, the carriage moves a short stroke further until the bolt engages in the blind hole, as a result of which the compression springs arranged between the carriage and the gripping device are tensioned to a predetermined extent.
  • the bolt is expediently acted upon by a compression spring in the direction of the unlocking position, in which it protrudes with a head section over the front end wall of the roller facing away from the liquid tank.
  • the carriage can be locked are triggered in that the head portion of the bolt runs into a fixed control cam when the upper filling position is reached, that is, it does not rotate with the bottle filling device in such a way that the bolt enters the blind hole.
  • the bolt is held in the locking position by frictional forces acting between its support surface and the associated wall of the blind hole when spring forces caused by the contact of a bottle mouth on the seal of the filling element act between the slide and the gripping device.
  • the spring device arranged between the slide and the gripping device not only causes the necessary contact pressure for the bottle neck, but at the same time this spring device serves as a control device for unlocking the slide which does not carry a bottle.
  • this spring device serves as a control device for unlocking the slide which does not carry a bottle.
  • the automatic lowering of the sled running around without bottles avoids holding forces and allows wear to be reduced.
  • the bottle filling device has an inlet control path on which the slides are raised to the filling position and an outlet control path on which the slides are lowered in a controlled manner via the roller.
  • the inlet control track and the outlet control track should be equipped with a slight overstroke, which only has to be a few tenths of a millimeter in order to avoid the frictional forces in the blind hole or repeal.
  • the carriages not provided with bottles are lowered again in a controlled manner after reaching the upper filling position, for which purpose a corresponding lowering path follows the inlet control path.
  • These lowered carriages are raised again on an ascending path upstream of the run-out control track at the run-out star of the device, in order to then be lowered again in a controlled manner together with the other carriages.
  • the bottle filling device according to the invention can also be designed such that the carriages or gripping devices which are not provided with bottles are not automatically lowered, but rather remain in the raised position until the outlet control path is reached.
  • the lowering path of the inlet control path and the rising path of the outlet control path are eliminated.
  • an actuator of a vacuum valve for vacuuming the bottles at such a location on the wall of the Liquid tank is attached so that the valve is opened by the slide in the filling position.
  • the vacuum valve is closed again immediately, so that an undesirable increase in pressure in the vacuum system is avoided.
  • a wall 1 of a liquid boiler of a continuously operating rotary bottle filling device is indicated, which is provided with a slide guide 2 for a slide 3.
  • a bracket 4 is attached, on which a gripping device 5 for a bottle collar is elastically supported.
  • the gripping device 5 is provided with two spaced-apart screw bolts 6, the through holes in a horizontal plate 7 Reach through console 4 loosely. Between the upper end of each bolt 6 and the plate 7, a compression spring 8 is arranged, which presses the bolt 6 with the gripping device 5 upwards.
  • an axis 9 is fastened, which holds a roller 11 rotatably via roller bearings 10.
  • the roller 11 is guided on a control cam 12, as a result of which the carriage 3 is moved upwards or downwards in a controlled manner with the gripping device 5.
  • a bolt 13 is integrated, which has a head portion 14 which is acted upon by a compression spring 15 so that the bolt 13 protrudes from the end face of the roller 11 facing away from the wall 1 of the liquid boiler.
  • An annular projection 16 formed on the bolt 13 limits the advance of the bolt 13. With its end section 17 facing the wall 1 of the liquid tank, the bolt 13 can enter a blind hole 18 in the wall 1 when the carriage 3 has reached the upper filling position .
  • a control cam 19 is fixedly arranged at the location of the control cam 12, at which the respective slide 3 reaches the upper filling position, the head portion 14 of the pin 13 running onto the control cam 19 in such a way that the pin 13 counteracts the force of the compressed spring 15 enters the blind hole 18 with its end section 17.
  • the bottle mouth comes into a position, not shown in FIG. 1, held by the gripping device 5
  • Bottle in contact with a seal of a bottle filling element, not shown, which is arranged at a corresponding point at a suitable location below the bottom 20 of the liquid kettle.
  • the seal of the filling element can have a minimal distance from the liquid valve of the filling element.
  • the force exerted by the springs 8 also causes such large frictional forces in the blind hole 18 between the bearing surface of the end section 17 of the bolt 13 and the abutting surface of the blind hole 18 that the bolt 13 is held in the locking position despite the acting force of the spring 15 is.
  • the gripping device 5 does not hold a bottle, the compression springs 8 are not tensioned, so that no frictional forces holding the bolt 13 in the blind hole 18 are caused. In this case, the bolt 13 is moved back into the release position by passing the control cam 19 by the force of the spring 15, so that the carriage 3 can drop.
  • the slide 3 actuates an actuating member 21 of a vacuum valve 22, whereby the respective bottle is sucked empty.
  • the vacuum valve 22 is closed again immediately.
  • the so-called closer part circle 27 connects to the intermediate star 26.
  • the filler pitch circle 28 rotates in the direction of arrow A in FIG. 2, as a result of which the carriages 3 are moved upwards on the inlet control cam 23 until they are locked in their highest position, the filling position, by the fixed control cam 19.
  • FIG. 3 shows a schematic development of the inlet control curve 23 and the outlet control curve 24. From a lower end position, which is indicated by the arrow B, all the rollers 11 in the direction of travel C are guided up the inlet control curve 23 into the filling position. While the rollers 11 of the bottle-fed carriage 3 are locked in the upper position, the rollers 11a of the carriage without bottles are lowered in a controlled manner on a lowering track 29. These rollers 11a are finally raised again on an ascent path 30 and lowered again in a controlled manner together with the other rollers on the outlet control curve (24).

Landscapes

  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)
EP19880120778 1987-12-16 1988-12-13 Machine d'embouteillage rotative à mouvement continu Expired - Lifetime EP0321829B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8716584U 1987-12-16
DE8716584U DE8716584U1 (de) 1987-12-16 1987-12-16 Kontinuierlich arbeitende Rotations-Flaschenfüllvorrichtung

Publications (2)

Publication Number Publication Date
EP0321829A1 true EP0321829A1 (fr) 1989-06-28
EP0321829B1 EP0321829B1 (fr) 1992-01-29

Family

ID=6815174

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19890900813 Pending EP0393127A1 (fr) 1987-12-16 1988-12-13 Dispositif rotatif de remplissage en continu de bouteilles
EP19880120778 Expired - Lifetime EP0321829B1 (fr) 1987-12-16 1988-12-13 Machine d'embouteillage rotative à mouvement continu

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19890900813 Pending EP0393127A1 (fr) 1987-12-16 1988-12-13 Dispositif rotatif de remplissage en continu de bouteilles

Country Status (5)

Country Link
EP (2) EP0393127A1 (fr)
JP (1) JPH0659917B2 (fr)
DE (2) DE8716584U1 (fr)
ES (1) ES2029874T3 (fr)
WO (1) WO1989005772A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110642209A (zh) * 2019-09-27 2020-01-03 王志坚 一种用于奶制品的防滴漏的稳定性高的灌装设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29817145U1 (de) 1998-09-24 1999-04-29 KRONES AG, 93073 Neutraubling Gefäßbehandlungsmaschine mit einem Rotor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154992A (en) * 1984-03-02 1985-09-18 Sarcmi Spa Filling head
EP0222208A2 (fr) * 1985-11-11 1987-05-20 SIMONAZZI A. & L. S.p.A. Machine rotative de remplissage de bouteilles à mouvement continu
DE8709382U1 (de) * 1987-07-08 1987-08-27 Holstein Und Kappert Ag, 4600 Dortmund Vorrichtung zum Zentrieren von Flaschen u. dgl.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3875941A (en) * 1974-04-03 1975-04-08 Medical Dynamics Inc System for evacuating fluids from the body
US4457758A (en) * 1981-10-06 1984-07-03 C. R. Bard, Inc. Venting assembly for a sealed body fluid drainage device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154992A (en) * 1984-03-02 1985-09-18 Sarcmi Spa Filling head
EP0222208A2 (fr) * 1985-11-11 1987-05-20 SIMONAZZI A. & L. S.p.A. Machine rotative de remplissage de bouteilles à mouvement continu
DE8709382U1 (de) * 1987-07-08 1987-08-27 Holstein Und Kappert Ag, 4600 Dortmund Vorrichtung zum Zentrieren von Flaschen u. dgl.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110642209A (zh) * 2019-09-27 2020-01-03 王志坚 一种用于奶制品的防滴漏的稳定性高的灌装设备

Also Published As

Publication number Publication date
EP0321829B1 (fr) 1992-01-29
WO1989005772A1 (fr) 1989-06-29
DE8716584U1 (de) 1989-01-12
ES2029874T3 (es) 1992-10-01
JPH03501600A (ja) 1991-04-11
JPH0659917B2 (ja) 1994-08-10
DE3868255D1 (de) 1992-03-12
EP0393127A1 (fr) 1990-10-24

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