EP0447954A2 - Poste d'injection - Google Patents

Poste d'injection Download PDF

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Publication number
EP0447954A2
EP0447954A2 EP91103896A EP91103896A EP0447954A2 EP 0447954 A2 EP0447954 A2 EP 0447954A2 EP 91103896 A EP91103896 A EP 91103896A EP 91103896 A EP91103896 A EP 91103896A EP 0447954 A2 EP0447954 A2 EP 0447954A2
Authority
EP
European Patent Office
Prior art keywords
spray
liquid
transporter
transport direction
openings
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.)
Withdrawn
Application number
EP91103896A
Other languages
German (de)
English (en)
Other versions
EP0447954A3 (en
Inventor
Klaus Klenk
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.)
KHS Maschinen und Anlagenbau AG
Original Assignee
Seitz Enzinger Noll Maschinenbau AG
KHS Maschinen und Anlagenbau 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 Seitz Enzinger Noll Maschinenbau AG, KHS Maschinen und Anlagenbau AG filed Critical Seitz Enzinger Noll Maschinenbau AG
Publication of EP0447954A2 publication Critical patent/EP0447954A2/fr
Publication of EP0447954A3 publication Critical patent/EP0447954A3/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
    • B08B9/28—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by splash, spray, or jet application, with or without soaking

Definitions

  • the invention relates to a spraying station of a container cleaning machine, in particular a bottle cleaning machine, according to the preamble of claim 1.
  • bottle cells have centering means, which in the simplest case are formed by a bottle cell inner cross section narrowing towards a bottle cell end and which ensure in the area of each spray station that each bottle with its mouth has a predetermined centering or positioning has in the bottle cell and thus also an optimal positioning with respect to the spray openings of the respective spray station, so that the spray or generated by the spray openings through the mouths of the bottles.
  • Liquid jets can get optimally into the interior of the bottles. As a rule, the liquid jets emerging from the spray openings of the treatment liquid under pressure (spray pressure) are directed upwards.
  • the bottles are held or fixed exclusively by their own weight in the respective bottle cell, which is open at the top, against the force generated by the liquid jets.
  • the object of the invention is to provide a spraying station for a container cleaning machine, in particular a bottle cleaning machine, which ensures proper fixing and centering, in particular also of containers with low weight, in the respective receptacle of the transporter.
  • the particular advantage of the spray station according to the invention which, depending on the treatment liquid used, can be designed for internal spraying with alkali, acid or water, has the particular advantage that the containers, at least during the internal spraying, against the first liquid jets or spray emerging from the spray openings of the first spraying device. the force of which is reliably fixed or held in the receptacles of the transporter by the liquid jets of the second spray device.
  • the centering or mounting are in the invention in particular also no mechanical hold-down and other mechanical means necessary that would require a complex construction, or at least an adaptation to different bottle sizes.
  • the design according to the invention in which the centering is ensured by hydraulic means, so to speak, it is also possible to treat containers with very different heights in one and the same cleaning machine without having to change over.
  • the liquid guides are provided on the side of the transporter opposite the spray openings or the path of movement of the receptacles, i.e. If the spray openings are arranged below the feed dog, as is usual with spray stations, the liquid guides are above the feed dog.
  • the containers are pressurized with the liquid emerging from the liquid guides of the second spray device under spray pressure on their outer surface, so that the second spray device can also be referred to as an "outer spray device", in contrast to the first Spraying device, which serves as an "internal spraying device”.
  • the liquid guides of the second spray device can be designed in a wide variety of ways. These liquid guides are, for example, nozzles or outlet openings, for. B. punched holes, in particular slot-shaped baffles, etc.
  • FIGS. 1 and 2 are the side walls of a bottle washer delimiting the interior 3, which is shown in the figures only in the area of one of its spraying stations.
  • This spraying station serves as an internal spraying station for the bottles 4 to be cleaned, which have a particularly low weight (e.g. 100 grams or less), i. H. are either plastic bottles, for example PET plastic bottles, or very thin-walled glass bottles.
  • the bottles 4 to be cleaned are successively moved through a plurality of treatment zones formed in the interior 3 by means of an endlessly rotating conveyor 5 between a task for the bottles to be cleaned and a discharge for the cleaned bottles.
  • the bottles 4 also pass several injection stations, one of which is shown in the figures.
  • the transporter 5 consists of two self-contained transport chains 6, which are endlessly driven in a transport direction T and, where necessary, are deflected or guided in the interior 3 by corresponding elements. Between the two transport chains 6, a plurality of bottle baskets 7, each of which has a plurality of bottle cells 8, which are provided one after the other perpendicular to the transport direction T, are provided in the transport direction T at equal intervals.
  • the bottle cells 8 have the usual design, ie they exist essentially of a cylindrical cell jacket, which is open at one end and there forms the opening 9 of the respective bottle cell 8 for inserting and removing the bottles 4 and has a centering section 10 at the other end, which is used to center the bottles 4 in the region of their mouth in serves with respect to the respective bottle cell 8 and for this purpose has an internal cross section narrowing conically with increasing distance from the opening 9.
  • each bottle cell 8 is usually provided with at least one opening for internal treatment or internal spraying.
  • the bottle cells 8 are oriented with their axes in the vertical direction, so that each bottle cell 8 has its opening 9 upwards and its center section 10 points downwards.
  • a spraying device 11 designed as a spraying vehicle is provided, which forms the "first spraying device” in the sense of the invention and has a horizontal frame 12 which, with suitable guides 13, which are guide rollers and guide rails in the embodiment shown, in the interior 3 below the movement path of the bottle baskets 7 can be pushed back and forth (double arrow C).
  • a plurality of spray tubes 14 are arranged on the upper side of the frame 12 and extend in the horizontal direction perpendicular to the transport direction T.
  • the spray device 11 has four such spray pipes 14.
  • the spray tubes 14 are provided at a mutual distance which is equal to the mutual distance between two bottle baskets 7 of the conveyor 5.
  • the spray tubes 14 are each provided with a plurality of nozzles 15 or other suitable liquid outlets or spray openings, which are arranged at equal intervals in the longitudinal direction of the spray tube, the mutual distance of the nozzles 15 along each spray tube 14 being equal to the distance that the axes have two adjacent bottle cells 8 of a bottle basket 7 from each other.
  • the spray device 11 is driven via the handlebar 16 for the reciprocating movement, in such a way that the return stroke of this movement taking place counter to the transport direction T is shorter in time than the working stroke taking place in the transport direction T.
  • the spray device 11 is thus moved in the same direction and at the same speed as the conveyor 5 such that a nozzle 15 is located under the at least one opening of the centering section 10 of each bottle cell 8.
  • a spray pressure of, for example, 1.5 to 3.0 bar, which, however, presupposes that each bottle 4 is in its bottle cell 8 is properly centered. Only in such a case can the liquid jet 17 emerging from the respective nozzle 15 reach the interior of the respective bottle 4, ie an optimal internal spraying of the respective bottle 4 is only possible in such a case.
  • the bottles 4 in the respective bottle cell 8 are hydraulic, i. H. fixed in the centered position by the application of a liquid jet 18.
  • a spray device 19 likewise formed by a spray truck, is provided in the interior 3 above the conveyor 5.
  • This spraying device 19, which is the "second spraying device” in the sense of the invention, also has, in the embodiment shown, a horizontal frame 20, which is provided with suitable guides 21 in the interior of the cleaning machine for a reciprocating movement (double arrow D) is guided, namely with a return stroke running counter to the transport direction T and with a working stroke running in the direction of the transport direction T.
  • the guides 21 are in turn formed by guide rollers and corresponding guide rails.
  • liquid tubes 22 Provided on the underside on the frame 20 are a plurality of liquid tubes 22 arranged with their horizontal longitudinal extent perpendicular to the transport direction T, which in turn are at a mutual distance from one another in the transport direction T, which is equal to the distance between two adjacent spray tubes 14. Furthermore, the liquid tubes 22 are each provided with a plurality of liquid guides or nozzles 23 on their underside facing the transporter 5, the number of nozzles 23 on each liquid tube 22 again being equal to the number of bottle cells 8 of a bottle basket 7 and the mutual distance two nozzles 23 is equal to the distance between two adjacent nozzles 15.
  • a rigid, synchronous drive that is to say, for example, a rigid drive connection between the first spray device 11 and the spray device 19 ensures that not only both spray devices move in the same direction and at the same speed, but that each nozzle 15 moves vertically at all times Direction also a nozzle 23 is opposite.
  • the spray tubes 14 and the liquid tubes 22 are connected to the outlet of a common pump 24, specifically via the aforementioned distribution channel and a liquid line 25 or 26, which is flexible or movable, at least over a partial length the pump 24 is the spray liquid 14, the treatment liquid, which can be of various types according to the function of the spray station, with the required Pressure supplied via the liquid line 26.
  • the same treatment liquid is supplied with the same pressure on the liquid pipes 22 via the liquid line 25.
  • bottles 4 which are 1 liter PET plastic bottles and have a weight of approximately 48 g and an outwardly curved bottle base with a diameter of approximately 85 mm, for which the liquid forming liquid jets 18 requires a pressure of only approximately 0.5 bar .
  • the downward force components generated by the liquid jets 18 are greater than the upward force components generated by the liquid jets 17.
  • This can be achieved, for example, by a somewhat larger nozzle cross section of the nozzles 23 compared to the nozzles 15, or else by providing several such nozzles instead of each nozzle 23.
  • Other measures, such as B. a reduction in the spray pressure at the nozzles 15 are conceivable.
  • Fig. 3 shows an embodiment in which two separate pumps 27 and 28 are provided, namely the pump 27 for supplying the spray pipes 14 via the liquid line 26 and the pump 28 for supplying the liquid pipes 22 via the liquid line 25.
  • This embodiment offers the Possibility to control the spray pressure on the spray pipes 14 or the spray pressure on the liquid pipes 22 independently of one another.
  • the spraying device 11 which effects the internal spraying of the bottles 4 is formed by the spraying vehicle with the spraying pipes 14 and by the nozzles 15.
  • the spraying vehicle with the spraying pipes 14 and by the nozzles 15.
  • various other designs are also conceivable which are suitable for internal spraying of the bottles 4, for example rotating spray shafts, spray pipes which vibrate with the bottle baskets, etc.
  • nozzles 15 other suitable liquid outlets or spray openings or instead of each nozzle 15 or spray opening, several such nozzles or spray openings may be provided.
  • the second spray device 19 consisting of the spray truck, the liquid pipes 22 and the nozzles 23 in the above-described embodiment can also be designed in a wide variety of ways. In principle, even in the previously described embodiments, it is not absolutely necessary for each nozzle 23 to be arranged exactly opposite a nozzle 15 in the vertical direction.
  • the first thing that is essential is that whenever a liquid jet 17 strikes a bottle 4 in the bottle cell 8, it hits the Bottom of this bottle 4 also hits a liquid jet 18 from above. In order to achieve a centering that is as exact as possible, however, it is most expedient that the force components generated by the liquid jets 18 lie coaxially with the force components of the liquid jets 17 to be compensated for.
  • nozzles or other liquid outlet openings or guides instead of only one nozzle 23 at a time.
  • a closed chamber extending over the entire length and width of the second spraying device can also be provided, which has the nozzles 23 or corresponding openings on its underside facing the transporter 5 and which in FIG broken line 29 is indicated.
  • the second spray device in a different way than described above in the transport direction T and counter to this transport direction, or to guide it on the bottle washing machine for such a movement.
  • this second spray device in a stationary manner.
  • the nozzles 23 or corresponding liquid guides can also be arranged in the transport direction T in a number of rows corresponding to the number of bottle cells 8 of each bottle basket 7 in such a way that in each row the nozzles 23 or corresponding openings follow one another so closely that each In spite of the movement of the conveyor, each bottle 4 arranged in a bottle cell 8 is hit by at least one liquid jet 18 on its bottom.
  • the distance between the nozzles 23 or the corresponding liquid outlet openings would then be at most equal to the cross section of the bottom of the bottles 4 in each row running in the transport direction T, but preferably smaller than this cross section.
  • a slit-shaped nozzle or a slit-shaped opening for the liquid could also be provided, specifically the latter in particular when the closed chamber 29 is used instead of individual liquid tubes 22.
  • nozzles 23 or corresponding liquid guides for example on one or more rotating spray shafts.
  • the second spray device begins (based on the transport direction T) where the first spray device also begins, that is to say that the liquid tube 22, based on the transport direction T, is more or less exactly above that in relation to that in the vertical direction Transport direction T first spray tube 14.
  • the second spraying device may make sense for the second spraying device to take effect before the first spraying device. This can be achieved, for example, by appropriately controlling the liquid supply to the two spray devices, which is also possible in particular in the embodiment according to FIG. 3 with the separate pump 28 for the spray device 19.
  • the effect of the second spray device 19 in front of the first spray device 11 can also be achieved in that the spray device 19 starts before the spray device 11, ie in the transport direction T a liquid pipe 22 'with nozzles 23' is provided in front of the first spray pipe 14, as indicated in broken lines in FIG. 2.
  • This additional liquid tube 22 'with the nozzles 23' can then be provided, for example, in a stationary or also movable manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Spray Control Apparatus (AREA)
  • Cleaning In General (AREA)
EP19910103896 1990-03-17 1991-03-14 Spray-station Withdrawn EP0447954A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19904008636 DE4008636A1 (de) 1990-03-17 1990-03-17 Spritzstation
DE4008636 1990-03-17

Publications (2)

Publication Number Publication Date
EP0447954A2 true EP0447954A2 (fr) 1991-09-25
EP0447954A3 EP0447954A3 (en) 1992-08-12

Family

ID=6402461

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910103896 Withdrawn EP0447954A3 (en) 1990-03-17 1991-03-14 Spray-station

Country Status (3)

Country Link
EP (1) EP0447954A3 (fr)
BR (1) BR9101047A (fr)
DE (1) DE4008636A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009039585A1 (de) * 2009-09-01 2011-03-17 Krones Ag Spritzvorrichtung
CN105363743A (zh) * 2015-11-17 2016-03-02 浙江泰来环保科技有限公司 医疗废物垃圾桶清洗消毒设备
CN106881323A (zh) * 2017-03-07 2017-06-23 彭乐坤 可降解农药瓶加工装置
DE102021132308A1 (de) * 2021-12-08 2023-06-15 Krones Aktiengesellschaft Verfahren und Vorrichtung zum Reinigen von kopfüber angeordneten Behältern

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2655929A (en) * 1950-01-11 1953-10-20 Barry Wehmiller Mach Co Apparatus for cleansing bottles
DE2335395A1 (de) * 1973-07-12 1975-01-30 Seitz Werke Gmbh Spritzvorrichtung fuer flaschenreinigungsmaschinen
DE3341852A1 (de) * 1983-11-19 1985-05-30 Pirzer, Carl, 8402 Neutraubling Flaschenreinigungsmaschine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2655929A (en) * 1950-01-11 1953-10-20 Barry Wehmiller Mach Co Apparatus for cleansing bottles
DE2335395A1 (de) * 1973-07-12 1975-01-30 Seitz Werke Gmbh Spritzvorrichtung fuer flaschenreinigungsmaschinen
DE3341852A1 (de) * 1983-11-19 1985-05-30 Pirzer, Carl, 8402 Neutraubling Flaschenreinigungsmaschine

Also Published As

Publication number Publication date
EP0447954A3 (en) 1992-08-12
DE4008636A1 (de) 1991-09-19
BR9101047A (pt) 1991-11-05

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