EP4097040A1 - Dispositif de réglage fileté hygiénique pour une machine de traitement de récipients et procédé de nettoyage dudit dispositif de réglage fileté - Google Patents

Dispositif de réglage fileté hygiénique pour une machine de traitement de récipients et procédé de nettoyage dudit dispositif de réglage fileté

Info

Publication number
EP4097040A1
EP4097040A1 EP21700852.3A EP21700852A EP4097040A1 EP 4097040 A1 EP4097040 A1 EP 4097040A1 EP 21700852 A EP21700852 A EP 21700852A EP 4097040 A1 EP4097040 A1 EP 4097040A1
Authority
EP
European Patent Office
Prior art keywords
thread
adjusting device
fluid
screw
spindle
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.)
Pending
Application number
EP21700852.3A
Other languages
German (de)
English (en)
Inventor
Alexander DANELSKI
Jan Leyendecker
Jonathan Lorenz
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 GmbH
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
Publication of EP4097040A1 publication Critical patent/EP4097040A1/fr
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
    • 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
    • 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
    • B67B2201/00—Indexing codes relating to constructional features of closing machines
    • B67B2201/08—Aseptic features
    • 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
    • B67C2003/228—Aseptic features

Definitions

  • Hygienic thread adjustment device for a container treatment machine and method for cleaning the thread adjustment device
  • the invention relates to a hygienic thread adjusting device for a container treatment machine, in particular for a beverage filling system, and an associated cleaning method for cleaning such a thread adjusting device.
  • the invention also relates to a container treatment machine with such a thread adjusting device.
  • a first machine element provided must be movable relative to a second machine element by means of a linear or translational movement, namely it must be able to be moved closer to or away from it.
  • Verstellvorrich lines for adjusting machine elements relative to one another are known in the corresponding container handling machines.
  • Such adjustment devices are used for example in filling machines or closers to adjust adjustable For matteile, such as container guides, to set a respective format of Benzol tern.
  • Such thread adjustment devices which are also used in the field of bottling beverages, are in particular screw drives, for example spindle drives.
  • bellows are used in such aseptic filling systems built in Verstellvorrich lines or linear drives to seal against the sterile space in order to be able to carry out the necessary hygiene measures satisfactorily.
  • bellows are expensive to construct and also require a sufficiently large installation space.
  • a cleanable adjusting device designed as a spindle drive is known, for example, from EP 2 700 613 A1, in which a threaded spindle is provided as the rotation element and a threaded nut is provided as the translation element. He stretches along the threaded spindle a running in the direction of the axis of rotation, outwardly open groove, which sweeps over the contact area between the threaded spindle and the threaded nut when the threaded spindle rotates, whereby this contact area when the threaded spindle is rotated by means of a introduced into the groove Detergent can be cleaned.
  • the disadvantage of the adjusting device of EP 2 700 613 A1 is not sufficiently ensured that the entire contact surface is safely and effectively reached by the cleaning agent and thus cleaned successfully.
  • the cleaning agent does not penetrate deep into the thread or spindle threads and thus not the entire contact area with all surfaces of the thread or spindle threads is reliably cleaned.
  • the object of the invention is to provide a solution which eliminates the disadvantages of the solutions known from the prior art and which allows perfect, safe and effective cleaning of the threaded connection produced.
  • this object is achieved by a thread adjusting device according to claim 1 and by a container treatment machine according to claim 11. Furthermore, a method for cleaning such a thread adjusting device according to claim 12 is specified to achieve the object.
  • the present invention provides a thread adjusting device for a container handling machine, which has at least one rotational body rotierba Ren about an axis of rotation and at least one translational body movable translationally relative to the rotational body by rotation of the rotational body.
  • the rotational body and the translational body are connected to one another in a form-fitting and effective manner via at least one threaded connection.
  • the rotation body has a thread with thread flanks and the translation body has a corresponding mating thread with mating thread flanks, the Ge thread flanks and mating thread flanks comprising a respective flank surface.
  • the invention is characterized in particular in that for hygienic cleaning of the threaded connection by means of a cleaning fluid, at least one of the flank surfaces has structure-forming means at least in sections, such that in a contact area of the thread and mating thread even when the thread overlaps the corresponding Mating thread At least in sections between the flank surfaces which are in engagement with the thread and mating thread flanks, at least one receiving and guiding space for the cleaning fluid is formed. Furthermore, a fluid line is provided such that a fluid connection is established between the at least one receiving and guiding space and the fluid line in at least one first rotational position of the rotary body.
  • a thread and a corresponding mating thread are to be understood in the present case cooperating threads which are in operative connection to form a thread connection, namely in mutual engagement.
  • An external thread of a threaded spindle and a cooperating internal thread of a threaded nut represent, for example, a thread and mating thread in the Sin ne of the invention.
  • the thread comprises thread flanks and at least one thread turn arranged between the thread flanks, which extends essentially as a continuous recess in a helical or helical manner along a cylindrical surface area, specifically with a predetermined thread pitch.
  • the thread turns around the cylinder surface several times, namely with several turns or turns, whereby a turn or a turn according to the present understanding is to be seen as a whole or complete turn or as a full turn, as soon as a circumferential surface of the cylinder is on the base surface of the cylinder projected thread section or helical section describes a full circle. The same applies of course to the mating thread.
  • the thread flanks and mating thread flanks comprise a respective flank surface, with the flank surfaces of the thread flanks and mating thread flanks resting against one another and being in mutual contact when the thread connection is established. At least those sections of the interacting, intermeshing threads and mating threads in which the flank surfaces are in contact with one another in the state of mutual engagement thus define a contact area. In the contact area, which in the present case can also be understood as an overlap area, the thread is thus covered by the counter thread.
  • At least one of the flank surfaces has structure-forming means, at least in sections, which have the effect that between the mutually abutting flank surfaces of the thread and mating thread flanks in the contact or overlap area, namely, in the state of mutual overlap, at least one receiving and guiding space for the cleaning fluid is formed, the at least one receiving and guiding space being connectable to a fluid line flui de in at least one rotational position of the rotating body.
  • the receiving and guide space formed by the structure-forming means in or on the flank surface can thus be viewed as a cavity or hollow space between the corresponding, interacting flank surfaces of the thread and counter thread.
  • This cavity or this cavity can take up and / or release cleaning fluid in at least one rotational position by means of the fluid connection established with the fluid line.
  • cleaning fluid is understood to mean in particular liquid or gaseous cleaning, rinsing or drying media, but also sterilization media, which can be used individually, successively or in suitable combinations for cleaning, rinsing and / or sterilizing the threaded connection or the ge entire thread adjustment device can be used.
  • the contact area in particular the mating thread flanks and thus the mating thread, is made possible, since the cleaning fluid held in the receiving and guiding space and, in particular, moved along with the rotation, for example the mating thread flanks is guided, in particular it is painted over and thus cleans or rinses and / or dries.
  • the structure-forming means in or on the flank surface can thus also be used as a fluid receiving or guiding structure or as a substructure of the flank Surface and thus the respective thread turn can be understood. He also allows this substructure in the state of overlap of the thread with the mating thread, preferably with rotation of the rotating body, a guide or flow of the cleaning fluid along the thread, namely in the direction of the thread.
  • a particularly good and hygienic cleaning of the threaded connection is possible with the present thread adjustment device, which allows unrestricted, hygienically perfect use in the aseptic zone or in the clean room of aseptic container handling machines.
  • the entire surface of the mating thread of the translational body can be cleaned extremely thoroughly and effectively in the contact area, especially during the rotation of the rotating body, with a complete cleaning even with the smallest rotational movement of the rotating body can take place about the axis of rotation of less than one revolution.
  • the fluid line is advantageously provided in the rotary body and / or in the translational body.
  • a fluid connection between the fluid line and the at least one receiving and guiding space formed between the flank surfaces in the contact area can be established in at least one rotational position, wherein the fluid connection can also be a permanent fluid connection that is independent of the rotational position.
  • the fluid line comprises a fluid supply arranged in the rotational body and / or in the translation body and a fluid drain arranged in the rotational body and / or in the translation body.
  • Both the fluid supply and the fluid drain can be fluidly connected to the at least one receiving and guiding space.
  • Both the fluid supply and the fluid drain can be fluidly connected to the receiving and guiding space in one and the same rotational position, namely in at least the first rotational position.
  • a fluid connection of the receiving and guide space with the fluid supply can be established or established and in a predetermined position different from the first rotational position.
  • the structure-forming means are at least partially formed in at least one of the flank surfaces by removing material, in particular by removing the material of the thread flanks from the flank surface.
  • the structure-forming means can thus be designed as one or more depressions or recesses, in particular in the form of tangential bores or ablations, in the flank surface and preferably introduced by drilling or milling.
  • the structure-forming means can also be understood as surface recesses. In this case, the surface recesses form the at least one receiving and guiding space for the cleaning fluid.
  • the material removals, in particular depressions or recesses, of the flank surfaces are preferably arranged in such a way that at least one depression is provided per turn of the thread.
  • at least two depressions are provided per revolution, in particular on two opposing thread flank sections which face the thread turn in one revolution or in the section of an entire revolution.
  • the structure-forming means are advantageously formed at least partially by at least one material projection or a material elevation in one of the flank surfaces.
  • the at least one material projection or the at least one material elevation is designed as a means carrying the corresponding flank surface and is provided in particular by adding or adding material to the flank surface.
  • several material projections or material elevations are provided, in particular evenly distributed over at least one section of the flank surface.
  • the at least one material projection or the several material projections can be formed by several nub-like term projections, be formed by supporting shafts, webs, ribs, noses or the like.
  • the receiving and guiding space for the cleaning fluid is formed adjacent to the projection (s) or between the projections, this also being a continuous one extending along the thread over several turns or revolutions Space can be formed.
  • the rotary body is a threaded spindle extending along a spindle axis, in particular in the form of a hollow shaft with a spindle interior.
  • the translational body is a non-rotating threaded nut, in particular a threaded nut fixed in a non-rotating manner on a component of the container treatment machine.
  • the thread adjusting device is a spindle drive, in which by rotating the threaded spindle the threaded nut attached to the component of the container treatment machine and thus also the component of the container treatment machine itself is moved translationally along the spindle axis and is thus adjusted .
  • the threaded spindle is at least partially designed like a spring spring, the thread being at least partially formed by an inwardly open thread and the open thread encircling the hollow spindle interior from the inside running in the direction of the spindle axis in the spindle interior Stegen is held.
  • the thread is designed in such a way that points between the respective revolutions of the thread turn are as free as possible and the thread turn is therefore connected to the interior of the spindle.
  • the thread flanks are held together on the inside by material webs.
  • the fluid line is provided in the threaded spindle designed as a hollow shaft, the spindle interior forming a fluid channel for supplying and preferably also for discharging the cleaning fluid and where there is a fluid connection between the spindle interior and the at least one receiving and guiding space .
  • a flow through the threaded connection is particularly advantageous.
  • the thread adjuster is in this case designed so that in the thread turn, in particular between the runs of the thread turn, a flow or channel space serving as a cleaning channel is created for cleaning fluid. This cleaning channel runs within the thread pitch and is formed in the thread between the interacting flank surfaces.
  • the structure-forming means of the flank surface it is designed as a structured surface, a structured surface also being understood to mean an uneven or contoured surface.
  • the uneven or contoured surface leads to an uneven thread turn or to an uneven pitch, which can lead to cleaning fluid due to the structure or unevenness. This is also to be understood in such a way that the cleaning fluid can flow through the structures introduced in the flank surface.
  • the cleaning fluid preferably flows through the thread, which is kept open, from the spindle interior to the thread turn and there into the at least one receiving and guide chamber.
  • the cleaning fluid is also diverted from the thread to the inside via the interior of the spindle.
  • the spindle interior forms a fluid channel for supplying the cleaning fluid, and there is a fluid connection between the spindle interior and the at least one receiving and guiding space.
  • the cleaning fluid can be introduced both through the threaded spindle, namely through the shaft connection from above, and through the threaded nut, wherein the threaded nut can serve as a nozzle.
  • the fluid line can thus also be provided in the threaded nut, the threaded nut for this purpose preferably being designed as a hollow nut and having nozzle-like outlet openings in the mating thread.
  • the structure-forming means is always provided in the rotary body, namely in the rotating part, whereby under special circumstances the threaded nut can also form the rotary body and can be designed to be rotatable, so that the structure-forming means are then in particular also formed in the threaded nut, if for example the threaded spindle is stationary.
  • the structure-forming means can in principle be provided in one of the two flank surfaces or also in both flank surfaces.
  • the translation element in particular a translation element designed as a threaded nut, can be provided with recesses or notches which enable the cleaning fluid to be applied directly to the thread lying underneath in the area of the notches.
  • a closed, conventional threaded spindle can also be used in order to nevertheless ensure a sufficiently effective cleaning of the threaded connection.
  • the invention also relates to a container treatment machine, such as a filling machine or a closer.
  • the container treatment machine according to the invention is particularly characterized in that it comprises a thread adjustment device according to the invention.
  • the invention also relates to a method for the hygienic cleaning of a thread connection of a thread adjusting device described above.
  • a cleaning fluid is supplied by means of a fluid line and a rotating body with a thread is rotated about an axis of rotation.
  • the method is characterized in that a fluid connection is established between the fluid line and a receiving and guiding space formed in a contact area of the threaded connection and that the cleaning fluid is guided along a thread at least when the rotating body rotates.
  • the cleaning fluid is brought at least in sections to a flank surface of a mating thread of a translation body which is in engagement with the thread in the contact area, and the flank surface is cleaned as a result.
  • the cleaning fluid can be brought to all surfaces of the mating thread of the translation body by minimally twisting the body of revolution, to be precise deep into the thread, in particular to deflank the entire flank surface of the mating thread.
  • FIG. 1 is a schematic view of an embodiment of the thread adjusting device according to the invention, arranged on a component of a container treatment machine,
  • Fig. 2 is a roughly schematic sketch of a thread
  • 3a shows a view of an embodiment of a threaded spindle
  • FIG. 3b shows the threaded spindle of FIG. 3a in section
  • FIG. 4 shows a section of a threaded connection produced between the threaded spindle of FIG. 3a and a threaded nut in a sectional view
  • Fig. 5 shows an alternative embodiment of a thread
  • Adjustment device in elevation and sectional views.
  • FIG. 1 shows a schematic overview representation of a perspective view of an embodiment of the thread adjusting device 1 according to the invention, which is attached to an adjustable component 20, for example a format part of a container handling machine, in particular a format part for container guidance, for example in a filling machine or a capper , is attached.
  • the thread adjusting device 1 of the example shown is a threaded drive, in particular a spindle drive, and comprises a hollow thread despindel formed, rotatable about an axis of rotation R rotation body 2 and a rotationally fixed on the component 20 and fixed there translation body 3, which is a threaded nut in the example shown.
  • the threaded spindle 2 and the threaded nut 3 are effectively verbun with one another via a threaded connection 10 or with the formation of a threaded connection 10.
  • the threaded spindle 2 extends along a Spindelach se SA which coincides with the axis of rotation R along its length.
  • the threaded spindle del 2 rotates about the axis of rotation R, the nut 3 is moved translationally in the direction of the spindle axis SA, whereby an adjustment, for example a height adjustment of the component 20 takes place.
  • the threaded spindle del 2 has a thread 4 which is designed as an external thread and comprises thread flanks 7 with a flank surface 7.1. Furthermore, the threaded nut 3 has a corresponding mating thread 5, which is formed as an internal thread and comprises thread flanks 8 with a flank surface 8.1. From the roughly schematic sketch of Figure 2, the Ge thread 4 and the corresponding mating thread 5 with the respective flank surfaces 7.1, 8.1 can be seen, in the illustration of Figure 2 in Section A for the sake of clarity and clarity, the formation of a Threaded connection 10 cooperating thread 4 and mating thread 5 are shown in a separate arrangement from each other.
  • the flank surface 7.1 preferably has structure-forming means 11, such that even when the threaded connection is produced fertil 10 in a contact area between thread 4 and mating thread 5, in particular when the thread 4 overlaps with the mating thread 5, at least in sections between the flank surfaces 7.1, 8.1 of the interlocking thread flanks 7 and mating thread flanks 8 at least one receiving and guide space 9 for the cleaning fluid is formed.
  • the structure-forming means 11 can, as schematically sketched in Figure 2, be designed as material ablations in the flank surface 7.1, namely in the form of depressions 13 or recesses, or as material additions on the flank surface 7.1, namely in the form of projections 14 or elevations, which carry the corresponding flank surface 8.1 of the mating thread 5. If the structure-forming means 11 are designed as depressions 13, the depressions 13 themselves form, as it were, the receiving and guiding space 9 for the cleaning fluid. As far as the structure-forming means 11 are designed as projections 14 or elevations, the space surrounding the projections 14 or elevations forms the receiving and guide space 9 for the cleaning fluid.
  • the receiving and guiding space 9 can be fluidly connected to a fluid line 12 (not visible in FIG. 2, see e.g. 12 and cleaning fluid can flow into the receiving and guide space 9 by means of the fluid line and preferably also exit again from the sem.
  • a fluid line 12 not visible in FIG. 2, see e.g. 12 and cleaning fluid can flow into the receiving and guide space 9 by means of the fluid line and preferably also exit again from the sem.
  • Figures 3a and 3b show an example of an embodiment of a threaded spindle 2, wherein in Figure 3a a view of the threaded spindle 2 and an enlarged partial section of the same is shown and FIG. 3b shows a sectional view of the threaded spindle 2 with a likewise associated enlarged partial section.
  • the threaded spindle 2 of the illustrated example which extends along the spindle axis SA, is designed in the form of a flea shaft with a spindle interior.
  • the threaded spindle 2 is designed like a spring spring, the thread 4 being formed by an inwardly open thread 4. With the open, spring-like design of the thread 4, free spots are formed between the thread deflanks 7, through which the thread is in direct, direct connection with the interior of the spin.
  • the open, the hollow spindle interior circumferential thread 4 of the example shown is held by internal webs 15 extending in the direction of the spindle axis SA in the interior space of the spindle.
  • the flank surface 7.1 of the thread flanks several recesses 13 are provided as structure-forming means 11, which in the example shown are designed in the form of tangential bores and are made in the flank surface 7.1 of the thread flanks 7 by milling or drilling.
  • the tangential bores 13 are arranged, for example, in such a way that all bores along an imaginary edge section or tangential section extending in the direction of the spindle axis SA are in series, with two facing bores 13 being provided for each revolution or turn of the thread.
  • two along the edge portion or tangential portion opposite Boh stanchions 13 are provided per revolution of the thread, which are each formed on facing sections of the flan ken Structure 7.1.
  • Each of the tangential bores 13 preferably extends over an entire width of the thread flanks 7, in particular from an outer edge of the thread 4 to the inner, free points between the thread flanks 7, through which the thread with the spindle interior in the immediate, more direct Connection.
  • the fluid line 12 is provided, the interior of the spindle forming a fluid channel for supplying the cleaning fluid. Due to the open design of the thread 4, the cleaning medium flows through the open thread 4 from the fluid channel formed by the spindle interior into the thread, thereby also creating a fluid connection between the spindle interior, in particular the fluid channel, and the threaded connection 10 that is made formed recording and Lei dream 9 consists.
  • a correspondingly produced threaded connection 10 with the threaded spindle 2 of the example of FIGS. 3a, 3b is enlarged in FIG. 4 Darge presents.
  • the cleaning fluid can flow into the thread turn from the inside of the spindle through the thread 4 that is kept open, whereby the cleaning fluid reaches the receiving and guide spaces 9.
  • the cleaning fluid is also diverted from the thread turn and from the receiving and guide spaces 9 inwards via the interior of the spindle.
  • the cleaning fluid can also be supplied by means of the threaded nut 3, as can also be seen from FIG.
  • a (further) fluid line 12 is provided in the threaded nut 3 and the threaded nut 3 is preferably designed as a hollow nut and acts as a type of nozzle, which in particular has a nozzle outlet to the thread 4 in the mating thread 5.
  • the cleaning fluid can thus take place through the threaded spindle 2, which is designed as a hollow shaft, through the threaded nut 3 or both through the threaded spindle 2 and threaded nut 3.
  • FIG. 5 shows an alternative embodiment in which, in contrast to the embodiment variant shown in FIGS. 3a, 3b and 4, the structure-forming means 11 of the flank surface 7.1 are formed by projections 14, in particular by a plurality of knob-like projections 14.
  • the knob-like protrusions 14 are arranged evenly distributed and are designed so that they carry the corresponding flank surface 8.1 of the mating thread 5 in the contact area when the threaded connection 10 is established.
  • between the nop pen-like projections 14 is a through the thread over several revolutions or coils extending, essentially continuous receiving and guide space 9 for the cleaning fluid.
  • FIGS. 6a to 6c show a further alternative embodiment of the present thread adjustment device 1.
  • FIG. 6a is a side view of the thread adjusting device 1 arranged on a component 6
  • FIG. 6b is a top view of the thread adjusting device 1
  • FIG. 6c is a section along the section line X-X indicated in FIG. 6b.
  • the Ge threaded nut 3 is provided with recesses or notches 16, which can also be referred to as a nut collar.
  • the notches 16 are seen on circumferentially opposite edge sides of the nut 3, with a notch 16 extending from an underside into the nut body and the opposite notch 16 is formed from an upper side of the nut body.
  • the notches 16 thus describe two Stel len on a diagonal through the nut body.
  • cleaning fluid can be applied directly to the thread 4 of the threaded spindle 2 that is exposed in the area of the notches 16 underneath.
  • the cleaning fluid can be applied to the notches 16 and thus to the threaded connection 10 via appropriate loading devices 17, for example media nozzles or air nozzles.
  • a closed, conventional threaded spindle 2 can also be used in order to nevertheless ensure a sufficiently effective cleaning of the threaded connection.
  • the threaded nut 3 can also be cleaned extremely thoroughly and effectively, especially during the rotation of the threaded spindle 2 with minimal travel, with complete cleaning even with a small rotational movement of the threaded spindle 2 about the axis of rotation R can be done by less than one revolution.
  • the cleaning fluid can be brought to all surfaces of the mating thread 5 of the threaded nut by just a minimal twisting of the threaded spindle 2, namely deep into the thread turn, in particular to the entire flank surface 8.1 of the mating thread flanks 8.
  • the cleaning fluid can come through the receiving and guide spaces 9, namely cavities everywhere on the surfaces to be cleaned and flushed with pressure, which also gives a so-called nozzle effect. This ensures a particularly high level of cleanability.

Landscapes

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

Abstract

L'invention concerne un dispositif de réglage fileté (1) pour une machine de traitement de récipients. Le dispositif de réglage fileté (19 présente au moins un corps de rotation (2) pouvant tourner autour d'un axe de rotation (R) et au moins un corps de translation (3) à déplacement translatoire relativement au corps de rotation (2) sous l'effet de la rotation du corps de rotation (2), le corps de rotation (2) et le corps de translation (3) étant interconnectés par complémentarité de forme, par l'intermédiaire d'au moins un raccord fileté (10). Selon l'invention, le corps de rotation (2) présente un filet (4) doté de flancs de filetage (7) et le corps de translation (3) présente un contre-filet (5) doté de flancs de contre-filetage (8), et les flancs de filetage (7) et les filets de contre-filetage (8) comprenant chacun une surface de flancs (7.1, 8.1). Afin de nettoyer le raccord fileté (10) de manière hygiénique au moyen d'un fluide de nettoyage, au moins une des surfaces de flancs (7.1, 8.1) présente au moins par endroits des moyens structurants (11), de sorte à former un espace de réception et de guidage (9) pour le fluide nettoyant dans une zone de contact du filet (4) et du contre-filet (5), également lorsque le filet (4) est recouvert par le contre-filet (5) au moins par endroits entre les surfaces de flancs (7.1, 8.1) des flancs de filetage (7) et des flancs de contre-filetage (8) qui sont en prise. L'invention concerne en outre une conduite de fluide (12) qui établit une liaison fluidique entre ledit au mois un espace de réception et de guidage (9) et la conduite de fluide (12) dans au moins une position de rotation du corps de rotation (2).
EP21700852.3A 2020-01-30 2021-01-12 Dispositif de réglage fileté hygiénique pour une machine de traitement de récipients et procédé de nettoyage dudit dispositif de réglage fileté Pending EP4097040A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020102211.5A DE102020102211A1 (de) 2020-01-30 2020-01-30 Hygienische Gewinde-Verstellvorrichtung für eine Behälterbehandlungsmaschine und Verfahren zur Reinigung der Gewinde-Verstellvorrichtung
PCT/EP2021/050432 WO2021151647A1 (fr) 2020-01-30 2021-01-12 Dispositif de réglage fileté hygiénique pour une machine de traitement de récipients et procédé de nettoyage dudit dispositif de réglage fileté

Publications (1)

Publication Number Publication Date
EP4097040A1 true EP4097040A1 (fr) 2022-12-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP21700852.3A Pending EP4097040A1 (fr) 2020-01-30 2021-01-12 Dispositif de réglage fileté hygiénique pour une machine de traitement de récipients et procédé de nettoyage dudit dispositif de réglage fileté

Country Status (3)

Country Link
EP (1) EP4097040A1 (fr)
DE (1) DE102020102211A1 (fr)
WO (1) WO2021151647A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE536147A (fr) 1954-03-24
FR1403703A (fr) * 1964-05-06 1965-06-25 Derefa Etablissement Pour Le D Perfectionnement aux systèmes de graissage des dispositifs à vis et écrou pour lacommande d'organes de machines
DE1548295A1 (de) 1966-09-30 1970-02-19 Phoenix Gummiwerke Ag Dorn mit Gewinde
US4836042A (en) * 1987-07-27 1989-06-06 Advanced Engineering Systems, Operations & Products, Inc. System to convert rotary motion to linear motion
CN201848723U (zh) * 2010-11-04 2011-06-01 路文忠 电液伺服泵控制的数字式超精多功能静压丝杠
DE102012107763A1 (de) 2012-08-23 2014-02-27 Krones Ag Verstellvorrichtung für eine Getränkeabfüllanlage sowie Verfahren zur Reinigung einer Verstellvorrichtung
DE102018005598A1 (de) 2018-07-16 2019-01-03 Daimler Ag Spindel-Druckmutter-Kombination einer elektrischen Parkbremse

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