EP1704276B1 - Device and method for wet treating laundry - Google Patents

Device and method for wet treating laundry Download PDF

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Publication number
EP1704276B1
EP1704276B1 EP05700943A EP05700943A EP1704276B1 EP 1704276 B1 EP1704276 B1 EP 1704276B1 EP 05700943 A EP05700943 A EP 05700943A EP 05700943 A EP05700943 A EP 05700943A EP 1704276 B1 EP1704276 B1 EP 1704276B1
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EP
European Patent Office
Prior art keywords
door
drum
drum housing
washer
extractor
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.)
Not-in-force
Application number
EP05700943A
Other languages
German (de)
French (fr)
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EP1704276A1 (en
Inventor
Wilhelm Bringewatt
Engelbert Heinz
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.)
Herbert Kannegiesser GmbH and Co
Original Assignee
Herbert Kannegiesser GmbH and Co
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 Herbert Kannegiesser GmbH and Co filed Critical Herbert Kannegiesser GmbH and Co
Publication of EP1704276A1 publication Critical patent/EP1704276A1/en
Application granted granted Critical
Publication of EP1704276B1 publication Critical patent/EP1704276B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F95/00—Laundry systems or arrangements of apparatus or machines; Mobile laundries 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • D06F23/02—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about a horizontal axis

Definitions

  • the invention relates to a device for the wet treatment of laundry, in particular a washer-extracting machine, according to the preamble of claim 1.
  • a device of the type mentioned here serves to subject laundry or other objects, for example carpets, mats or the like, to a wet treatment. As far as hereinafter referred only to laundry, thereby the use of the device for washing other objects should not be excluded.
  • the device is mainly used to wash the laundry or other items and then to spin. In technical jargon such a device is called a washer-extractor.
  • the invention has for its object to provide a device for wet treatment of laundry, especially a washer extractor, whereby a simple supply of the necessary medium for wet treatment is possible.
  • An apparatus for achieving this object has the features of claim 1. Accordingly, it is provided to assign a supply for media for wet treatment of the laundry at least one of the stub axle for forming the pivot axis. As a result, a simple media supply is possible despite the arbitrary pivotability of the drum housing with the inner drum.
  • the device has a rotatably drivable inner drum and a surrounding water-impermeable drum housing.
  • the drum housing is stationary relative to the inner drum, so it is not rotationally driven with the inner drum. During wet treatment, the inner drum thus rotates within the stationary drum housing.
  • the drum housing also has only a single opening, which corresponds to the opening of the inner drum.
  • the opening of the drum housing is disposed adjacent to the opening of the inner drum.
  • the door is associated with the opening of the drum housing, wherein the adjacent to the opening of the drum housing opening of the inner drum is indirectly closable by the opening of the drum housing associated door.
  • a door for closing the opening of the drum in an inner drum surrounding a drum housing the same door is meant, which then closes the opening of the drum housing.
  • the pivot axis is formed by two opposite stub axles, which are mounted on a common (imaginary) axis at opposite locations on the outside of the drum housing. At least one of these stub axles is assigned a direct pivot drive. This is in space-saving Way the preferred pivoting of the drum housing with the inner drum realized.
  • a free end of the at least one stub axle is associated with a rotary connection of at least one supply line of the media.
  • the rotary connection enables leak-free supply of the media, at any time and in any pivoting position of the drum housing with the inner drum located therein.
  • the device according to the first embodiment of the invention shown shows a device designed as a washer-extractor 10 for ordinary industrial use.
  • the washer-extractor 10 has an inner drum 12 that can be driven in rotation about a pivotable rotation axis 11.
  • the inner drum 12 has only one single substantially full-surface opening 13 on one end face.
  • the washer extractor 10 has a water-permeable inner drum 12 surrounding, waterproof drum housing 14 which is formed relative to the inner drum 12 fixed.
  • the drum housing 14 is thus in contrast to the inner drum 12 is not rotationally driven.
  • the drum housing 14 has on a front side a single almost full-surface opening 15.
  • the opening 15 of the drum housing 14 is located in the end face of the drum housing 14, to which also the opening 13 of the inner drum 12 has, so that the openings 13 and 15 are adjacent to each other and thereby correspond with each other.
  • the inner drum 12 is mounted on a closed, rear end face 16 on a drive shaft, not shown in the figures, of a drive, preferably an electric motor 17.
  • the electric motor 17 may be associated with a transmission.
  • the inner drum 12 is mounted with the closed rear end face 16 on the output shaft of the transmission.
  • the electric motor 17 (and possibly the transmission) are non-rotatably mounted on a closed rear wall 18 of the drum housing 14.
  • the rear wall 18 of the drum housing 14 carries the inner drum 12 and the drive.
  • the drum housing 14 is elastically mounted on a frame foundation 20.
  • the frame foundation 20 is formed from a fixed, lower foundation part 21 and a swing frame 23 pivotable about a horizontal, transverse to the axis of rotation 11 of the inner drum 12 extending pivot axis 22.
  • On the swing frame 23 are the air springs 19, the drum housing 14. It is also conceivable to form the frame foundation 20 in one piece.
  • the drum housing 14 with the inner drum 12 arranged therein do not rest directly on the air springs 19 in the apparatus shown here. Rather, two parallel supports 24, which support the drum housing 14, are arranged on the air springs 19 arranged on the frame foundation 20.
  • the two carriers 24 are associated with opposite sides of the drum housing 14 at a distance such that a portion of the drum housing 14 is located between the carriers 24 and may project downwardly between the carriers 24.
  • each of the two carriers 24 mounted on two of the four air springs 19.
  • On each support 24 is a bearing 25 for rotatably receiving a stub axle 26 on opposite sides of the drum housing 14.
  • At least one stub axle 26 is associated with a direct drive 28, which is formed in the illustrated embodiment of an electric motor with a reduction gear.
  • a direct drive 28 is formed in the illustrated embodiment of an electric motor with a reduction gear.
  • the Fig. 1 showed a loading position of the washer-extractor 10, in the direct drive 28, the drum housing 14 is pivoted to the inner drum 12 so that the axis of rotation 11 of the inner drum 12 is perpendicular.
  • the Fig. 2 shows an alternative loading position, in which the axis of rotation 11 extends obliquely, in the embodiment shown at 60 ° to the vertical.
  • any other Beladewolfen are conceivable, but should not exceed a slope of 60 ° to the vertical.
  • the most effective loading occurs when the inclination to the vertical is only 50 °, preferably only 40 °.
  • the Fig. 4 shows the operating position of the washer-extractor 10, in which the washing and spinning of the laundry takes place.
  • the axis of rotation 11 of the inner drum 12 and the coincident longitudinal central axis of the drum housing 14 extends horizontally.
  • the drum housing 14 is pivoted with the inner drum 12 of the washer-extractor 10 rotatably mounted therein, starting from the operating position (FIG. Fig. 4 ) so far that the axis of rotation 11 of the inner drum 12 in the direction of the opening 13 or 15 is slightly inclined downward with respect to the horizontal ( Fig. 5 ).
  • This tendency for unloading the washer-extractor 10 may be changed according to the needs during unloading preferably continuously and be arbitrary due to the direct drive 28.
  • the loading and / or unloading of the washer-extractor can take place with an at least occasional rotating drive of the inner drum 12.
  • the washer extractor 10 has only a single door 29.
  • the only one door 20 serves to close the single opening 15 in one of the rear wall 18 opposite end side of the drum housing 14 and also simultaneously to close the single opening 13 of the inner drum 12.
  • the door 29 is formed as a separate door 29, which is not connected to the drum housing 14 and the inner drum 12. When the door 29 closes the opening 15 of the drum housing 14, this also leads at the same time to a closure, which is not direct but indirect, of the single opening 13 on the end face of the inner drum 12 lying opposite the end face 16.
  • the door 29 is along a rectilinear horizontal path, which when in the operating position of the washer-extractor 10 (FIG. Fig. 3 and 4 ) is on the axis of rotation 11 of the inner drum 12 and extends axially, away from the opening 15 and hinbewegbar to the same.
  • the door 29 is fixedly connected to a door carrier 30 relative to the inner drum 12 and the drum housing 14. Consequently, the door 29 does not rotate during operation of the washer-extractor 10 with the inner drum 12 that can be driven in rotation. Also, the door 29 is not pivotally connected to the drum housing 14 and the inner drum 12 disposed therein.
  • the door carrier 30 is rigid and absolutely immovably connected to the carriers 24 of the drum housing 14. Consequently, unlike the door 29, the door carrier 30 is not movable toward and away from the openings 13 and 15. Thus, the door 29 along the axis of rotation 11 to the openings 13 and 15 back and is movable away from this, is located between the outer periphery of the door 29 and the door support 30, a flexible connecting means 31, which in the embodiment shown as a circumferential, hose-like bellows 31 is formed.
  • the door 29 is also connected to the door support 30 also by guides 32.
  • guides 32 In the figures, two guides 32 are shown.
  • the guides 32 stabilize the door 29 on the axis of rotation 11 extending path of movement during the forward movement to the opening 15 and 13 and during the movement away from the opening 13 and 15, because the bellows 31 between the door 29 and the door support 30 is elastic and thereby can not form a guide of the door 29.
  • the door 29 is formed in the illustrated embodiment of three sections, namely an outer circular ring portion 33, a central profile portion 34 and an inner circular portion 35.
  • the circular portion 35 may be formed by a glass sheet be, whereby the door 29 has a sight glass.
  • the profile cross-section 34 is arched in a particular way inward, in such a way that the profile cross-section 34 has an outer truncated cone-like closing portion 36.
  • the door 29 has a circumferential seal 37, which serves to seal the opening 15 of the drum housing 14 in the operating position of the washer-extractor 10, at least so far that no liquid can escape from the drum housing 14 during operation of the washer-extractor 10.
  • the seal 37 is formed in the illustrated embodiment of two circular circumferential and concentric with each other extending sealing profiles 38, 39.
  • the distance between mutually facing sealing surfaces of the sealing profiles 38 and 39 is formed so that between the sealing profiles 38 and 39, a front part of the opening 15th the drum housing 14 surrounding cylindrical sealing ring 40 engages when the door 29 has moved in the operating position of the washer-extractor 10 against the opening 15 ( Fig. 4 ).
  • the sealing ring 40 of the drum housing 14 corresponds with its opposite lateral surfaces associated sealing profiles 38 and 39 on the door 29 such that there is an at least liquid-tight closure of the opening 15 of the drum housing 14 by a seal between the sealing profiles 38 and 39 of the door 29 and the sealing ring 40 of the drum housing 14 comes.
  • the supply of media to the washer-extractor 10 is formed.
  • These media are mainly washing water and laundry additives, in particular detergents, which must be introduced into the washer-extractor 10 from outside before and / or during washing.
  • the accumulating during the spin of the laundry water is dissipate.
  • the stub axle 26 has to have a central axial through hole. This through hole is connected to the outer free end of the stub axle 26 with a rotary connection. At the rotary connection, in turn, the at least one supply line for media is connected.
  • the Fig. 6 9 show a second embodiment of the device, namely a washer-extractor 41 in the so-called partition wall design.
  • This washer extractor 41 is used in clean areas where special hygienic requirements must be met.
  • the washer-extractor 41 is loaded in a dirt area 42 with unwashed laundry.
  • the washed and hurled laundry is discharged in a clean area 44 isolated from the dirt area 42 by a partition wall 43.
  • the washer-extractor 41 is basically constructed the same as the washer-extractor 10. In this respect, reference is made to the previous description of the washer-extractor 10 and it is the same for like parts Reference numerals for the washer-extractor 41 of Fig. 6 used to 9.
  • the rotatable inner drum 12 having drum housing 14 of the washer-extractor 41 is pivotable about the pivot axis 22 and the pivot axis 27 extending parallel thereto.
  • the bellows cylinder 45 is disposed at an end of the frame foundation 20 remote from the pivot axis 22 between the fixed lower foundation part 21 and the swing frame 23.
  • the Fig. 6 shows a possible loading position of the washer-extractor 41, wherein the axis of rotation 11 of the inner drum 12 is perpendicular.
  • the then above single openings 13 and 15 of the inner drum 12 and the drum housing 14 are thus in the dirty area 42 from above loaded with laundry to be washed.
  • the drum housing 14 is located with the inner drum 12 in a position as in of the Fig. 2 in connection with the washer-extractor 10 is shown.
  • the drum housing 14 For loading the drum housing 14 about the pivot axis 27 of the direct drive 28 is pivotable.
  • FIG. 8 shows an operating position of the washer-extractor 41, in which the laundry is washed and then spun.
  • the axis of rotation 11 of the rotationally driven internal drum 12 is directed horizontally.
  • the drum housing 14 is also pivoted about the pivot axis 27.
  • the unloading of the washer-extractor 41 is carried out as shown in Figure 9 at about the pivot axis 22 pivoted drum housing 14 with the therein inner drum 12. This pivoting is carried out by an extension of the bellows cylinder 45, whereby the swing frame 23 of the frame foundation 20 on of the pivot axis 22 straightened end is raised.
  • the rotation axis 11 is slightly inclined to the horizontal, in the direction of the openings 13 and 15th downwards, whereby the washed laundry passes through the openings 13 and 15 into the clean area 44 on the side opposite the dirt area 42 of the partition wall 43 during the preferably rotating drive of the inner drum 12.
  • the washer-extractor 41 has a specially designed door 46 for closing the single opening 15 of the drum housing 14 and the single opening 13 of the inner drum 12.
  • This door 46 is also separate from the drum housing 14 of the inner drum 12 so that the door 46 is away from the drum housing 14 is separable to pivot the drum housing 14 with the inner drum 12 in the respective loading position about the pivot axis 27.
  • the door 46 is arranged stationary relative to the rotationally driven inner drum 12, whereby the door 46 is not rotationally driven with the inner drum 12.
  • the door 46 does not participate in the pivoting movement of the drum housing 14 with the inner drum 12 about the pivot axis 27 when the drum housing 14 is pivoted with the inner drum 12 in the loading position and out of it.
  • the door 46 is also reciprocable on a rectilinear path, which lies on the axis of rotation 11, towards the openings 13 and 15, and away from the openings 13 and 15.
  • the door 46 is different from the door 29 of the washer-extractor 10, but also with the drum housing 14 and the inner drum 12 pivoted when the drum housing 14 and the inner drum 12 is pivoted about the pivot axis 22 on the frame foundation 20 in the unloading position.
  • this pivoting of the door 46 is limited to the relatively small pivot angle of the drum housing 14 of the inner drum 12 for unloading the washer-extractor 41. This angle is a maximum of 30 °, preferably only about 15 ° to 20 ° (Fig. 9).
  • the door 46 is formed of an inner door 47 and a surrounding door frame 48.
  • the door frame 48 is connected via guides 49, which may be formed as the guides 32 in the washer-extractor 10, with a door support 50.
  • the door carrier 50 in turn is fixedly connected to the pivot frame 23 of the frame foundation 20.
  • the door carrier 50 is rigidly connected to the carriers 24 of the swing frame 23.
  • the door carrier 50 forms at the same time a part of the partition wall 43.
  • the door carrier 50 or this part of the partition wall 43 is surrounded by an elastic membrane 51, which also forms part of the partition wall 43.
  • the elastic membrane 51 makes it possible to pivot the door carrier 50 forming an inner part of the partition wall 43 with respect to the vertical plane of the partition wall 43 when the drum housing 14 with the inner drum 12 is pivoted about the pivot axis 22 into the unloading position (FIG. 9).
  • the door 46 namely the annular door frame 48, is connected to the door carrier 50 by a bellows 31 or a flexible hose.
  • a bellows 31 or a flexible hose As a result, the door 46 with the inner door 47 and the door frame 48 to the door support 50 back and away from this wegbewebar.
  • the inner door 47 is composed of an outer circular ring section 52, a profile cross-section 53 surrounding it and an inner circular section 54.
  • the circular section 54 and the profile section 53 are formed like the profile section 34 and the circular section 35 of the door 29 of the washer-extractor 10.
  • the circular ring section 52 of the door 46 is smaller than the circular ring section 33 of the door 29 because the circular ring section 52 is still surrounded by the door frame 48.
  • the circular ring portion 52 and the door frame 48 of the door 46 are together about as large as the circular ring portion 33 of the door 29th
  • a seal 55 for sealing the door 46 with respect to the opening 15 of the drum housing 14 is formed like the seal 37 of the door 29, namely, consists of two concentric, annular sealing profiles 56 and 57 together.
  • An inner sealing profile 56 is disposed near the outer edge of the annular portion 52 of the inner door 47, while an outer sealing profile 57 is disposed in the vicinity of the inner edge of the door frame 48.
  • the media supply can be done by a stub axle 26 to form a part of the pivot axis 27 of the drum housing 14 with the inner drum 12.
  • the media supply takes place through at least one of the two stub axles 26.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

The washer-extractor ( 41 ) having only a single front-end opening ( 13 ) of the drums ( 12, 14 ). This opening ( 13 ) is used for loading and also unloading. The openings ( 13, 15 ) can be closed by a door ( 46 ). The door ( 46 ) can be separated from the drums ( 12, 14 ). In addition, the door ( 46 ) does not co-rotate when the inner drum ( 12 ) is rotationally driven for washing and spinning the laundry. A washer-extractor ( 41 ) of this type is characterized by its simple design and by a reliable sealing effected by the door ( 46 ), particularly when the washer-extractor ( 41 ) is arranged in the dividing wall ( 43 ).

Description

Die Erfindung betrifft eine Vorrichtung zur Nassbehandlung von Wäsche, insbesondere eine Waschschleudermaschine, gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a device for the wet treatment of laundry, in particular a washer-extracting machine, according to the preamble of claim 1.

Eine Vorrichtung der hier angesprochenen Art dient dazu, Wäsche oder auch andere Gegenstände, zum Beispiel Teppiche, Schmutzfangmatten oder dergleichen, einer Nassbehandlung zu unterziehen. Sofern nachfolgend nur auf Wäsche Bezug genommen wird, soll dadurch die Verwendung der Vorrichtung zum Waschen anderer Gegenstände nicht ausgeschlossen werden. Die Vorrichtung dient vorwiegend dazu, die Wäsche oder sonstige Gegenstände zu waschen und anschließend zu schleudern. Im Fachjargon wird ein solche Vorrichtung als Waschschleudermaschine bezeichnet.A device of the type mentioned here serves to subject laundry or other objects, for example carpets, mats or the like, to a wet treatment. As far as hereinafter referred only to laundry, thereby the use of the device for washing other objects should not be excluded. The device is mainly used to wash the laundry or other items and then to spin. In technical jargon such a device is called a washer-extractor.

Bekannte Vorrichtungen dieser Art weisen Öffnungen zum Beladen mit Wäsche und Öffnungen zum Entladen der Wäsche oder auch andere Gegenständen auf, weil das Beladen, Waschen, gegebenenfalls Schleudern, und Entladen mindestens teilweise bei unterschiedlichen Schwenkstellungen der Trommel erfolgt. Diese Öffnungen müssen zum Behandeln, nämlich Waschen und/oder Schleudern, der Wäsche verschlossen werden, und zwar durch Türen. Dokument DE-A-1 642 075 offenbart eine Vorrichtung zur Nassbehandlung von Wäsche, gemäß dem Oberbegriff des Anspruchs 1.Known devices of this type have openings for loading with laundry and openings for unloading the laundry or other objects, because the loading, washing, possibly spinning, and unloading takes place at least partially at different pivot positions of the drum. These openings must be closed to treat, namely washing and / or spinning, the laundry, through doors. document DE-A-1 642 075 discloses a device for wet treatment of laundry, according to the preamble of claim 1.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zur Nassbehandlung von Wäsche, insbesondere eine Waschschleudermaschine, zu schaffen, womit eine einfache Zufuhr der zur Nassbehandlung erforderlichen Medium möglich ist.The invention has for its object to provide a device for wet treatment of laundry, especially a washer extractor, whereby a simple supply of the necessary medium for wet treatment is possible.

Eine Vorrichtung zur Lösung dieser Aufgabe weist die Merkmale des Anspruchs 1 auf. Demnach ist vorgesehen, mindestens einem der Achsstummel zur Bildung der Schwenkachse eine Zuführung für Medien zur Nassbehandlung der Wäsche zuzuordnen. Dadurch ist trotz der beliebigen Verschwenkbarkeit des Trommelgehäuses mit der Innentrommel eine einfache Medienzufuhr möglich.An apparatus for achieving this object has the features of claim 1. Accordingly, it is provided to assign a supply for media for wet treatment of the laundry at least one of the stub axle for forming the pivot axis. As a result, a simple media supply is possible despite the arbitrary pivotability of the drum housing with the inner drum.

Vorzugsweise weist die Vorrichtung eine drehend antreibbare Innentrommel und ein diese umgebendes wasserundurchlässiges Trommelgehäuse auf. Das Trommelgehäuse steht relativ zur Innentrommel still, ist also mit der Innentrommel nicht drehend antreibbar. Bei der Nassbehandlung dreht sich somit die Innentrommel innerhalb des stillstehenden Trommelgehäuses. Das Trommelgehäuse weist auch nur eine einzige Öffnung auf, die mit der Öffnung der Innentrommel korrespondiert. Vorzugsweise ist die Öffnung des Trommelgehäuses benachbart zur Öffnung der Innentrommel angeordnet. Dann ist die Tür der Öffnung des Trommelgehäuses zugeordnet, wobei die benachbart zur Öffnung des Trommelgehäuses liegende Öffnung der Innentrommel mittelbar von der der Öffnung des Trommelgehäuses zugeordneten Tür verschließbar ist. Sofern im Vorstehenden von einer Tür zum Verschließen der Öffnung der Trommel gesprochen worden ist, ist bei einer von einem Trommelgehäuse umgebenden Innentrommel dieselbe Tür gemeint, die dann die Öffnung des Trommelgehäuses verschließt.Preferably, the device has a rotatably drivable inner drum and a surrounding water-impermeable drum housing. The drum housing is stationary relative to the inner drum, so it is not rotationally driven with the inner drum. During wet treatment, the inner drum thus rotates within the stationary drum housing. The drum housing also has only a single opening, which corresponds to the opening of the inner drum. Preferably, the opening of the drum housing is disposed adjacent to the opening of the inner drum. Then, the door is associated with the opening of the drum housing, wherein the adjacent to the opening of the drum housing opening of the inner drum is indirectly closable by the opening of the drum housing associated door. As has been said in the foregoing of a door for closing the opening of the drum, in an inner drum surrounding a drum housing the same door is meant, which then closes the opening of the drum housing.

Vorzugsweise ist die Schwenkachse gebildet durch zwei gegenüberliegende Achsstummel, die auf einer gemeinsamen (gedachten) Achse liegend an gegenüberliegenden Stellen an der Außenseite des Trommelgehäuses befestigt sind. Mindestens einem dieser Achsstummel ist ein direkter Schwenkantrieb zugeordnet. Dadurch ist in raumsparender Weise die vorzugsweise Verschwenkung des Trommelgehäuses mit der Innentrommel realisierbar.Preferably, the pivot axis is formed by two opposite stub axles, which are mounted on a common (imaginary) axis at opposite locations on the outside of the drum housing. At least one of these stub axles is assigned a direct pivot drive. This is in space-saving Way the preferred pivoting of the drum housing with the inner drum realized.

Vorzugsweise ist einer freien Stirnseite des mindestens einen Achsstummels ein Drehanschluss mindestens einer Zuleitung der Medien zugeordnet. Der Drehanschluss ermöglicht trotz des zum Verschwenken der Innentrommel sich drehenden Achsstummels eine leckfreie Zuleitung der Medien, und zwar jederzeit und in jeder Schwenkposition des Trommelgehäuses mit der darin sich befindlichen Innentrommel.Preferably, a free end of the at least one stub axle is associated with a rotary connection of at least one supply line of the media. In spite of the stub axle rotating to pivot the inner drum, the rotary connection enables leak-free supply of the media, at any time and in any pivoting position of the drum housing with the inner drum located therein.

Zwei bevorzugte Ausführungsbeispiele der erfindungsgemäßen Vorrichtung und das erfindungsgemäße Verfahren werden nachfolgend anhand der Zeichnung näher erläutert. In dieser zeigen:

Fig. 1
eine schematische Ansicht der Vorrichtung nach einem ersten Ausführungs- beispiel der Erfindung in einer Beladestellung,
Fig. 2
die Vorrichtung der Fig. 1 in einer alternativen Beladestellung,
Fig. 3
die Vorrichtung der Fig. 1 und 2 in einer Nassbehandlungsstellung, jedoch noch nicht in der Nassbehandlungsstellung befindlichen Tür,
Fig. 4
die Vorrichtung der Fig. 3 bei auch in der Nassbehandlungsstellung befindlichen Tür,
Fig. 5
die Vorrichtung der Fig. 1 bis 4 in der Entladestellung,
Fig. 6
eine Vorrichtung nach einem zweiten Ausführungsbeispiel der Erfindung in einer Beladestellung,
Fig. 7
die Vorrichtung der Fig. 6 in einer Nassbehandlungsstellung bei sich noch nicht in dieser befindlichen Tür,
Fig.8
die Vorrichtung der Fig.7 mit sich auch in der Nassbehandlungsstellung befindlicher Tür, und
Fig. 9
die Vorrichtung der Fig. 6 bis 8 in einer Entladestellung.
Two preferred embodiments of the device according to the invention and the method according to the invention are explained in more detail below with reference to the drawing. In this show:
Fig. 1
1 is a schematic view of the device according to a first embodiment of the invention in a loading position,
Fig. 2
the device of Fig. 1 in an alternative loading position,
Fig. 3
the device of Fig. 1 and 2 in a wet treatment position, but not yet in the wet treatment position door,
Fig. 4
the device of Fig. 3 in the door also in the wet treatment position,
Fig. 5
the device of Fig. 1 to 4 in the unloading position,
Fig. 6
a device according to a second embodiment of the invention in a loading position,
Fig. 7
the device of Fig. 6 in a wet treatment position with not yet in this door,
Figure 8
the device of Figure 7 with also in the wet treatment position befindlicher door, and
Fig. 9
the device of Fig. 6 to 8 in an unloading position.

Die in den Fig. 1 bis 5 gezeigte Vorrichtung nach dem ersten Ausführungsbeispiel der Erfindung zeigt eine als Waschschleudermaschine 10 für den gewöhnlichen gewerblichen Einsatz ausgebildete Vorrichtung. Die Waschschleudermaschine 10 verfügt über eine um eine verschwenkbare Drehachse 11 drehend antreibbare Innentrommel 12. Die Innentrommel 12 weist an einer Stirnseite nur eine einzige im Wesentlichen vollflächige Öffnung 13 auf. Des Weiteren verfügt die Waschschleudermaschine 10 über ein die wasserdurchlässige Innentrommel 12 umgebendes, wasserdichtes Trommelgehäuse 14, das relativ zur Innentrommel 12 feststehenden ausgebildet ist. Das Trommelgehäuse 14 ist also im Gegensatz zur Innentrommel 12 nicht drehend antreibbar. Auch das Trommelgehäuse 14 weist an einer Stirnseite eine einzige nahezu vollflächige Öffnung 15 auf. Die Öffnung 15 des Trommelgehäuses 14 befindet sich in derjenigen Stirnseite des Trommelgehäuses 14, zu der auch die Öffnung 13 der Innentrommel 12 weist, so dass die Öffnungen 13 und 15 einander benachbart sind und dadurch miteinander korrespondieren.The in the Fig. 1 to 5 The device according to the first embodiment of the invention shown shows a device designed as a washer-extractor 10 for ordinary industrial use. The washer-extractor 10 has an inner drum 12 that can be driven in rotation about a pivotable rotation axis 11. The inner drum 12 has only one single substantially full-surface opening 13 on one end face. Furthermore, the washer extractor 10 has a water-permeable inner drum 12 surrounding, waterproof drum housing 14 which is formed relative to the inner drum 12 fixed. The drum housing 14 is thus in contrast to the inner drum 12 is not rotationally driven. Also, the drum housing 14 has on a front side a single almost full-surface opening 15. The opening 15 of the drum housing 14 is located in the end face of the drum housing 14, to which also the opening 13 of the inner drum 12 has, so that the openings 13 and 15 are adjacent to each other and thereby correspond with each other.

Die Innentrommel 12 ist an einer geschlossenen, rückwärtigen Stirnseite 16 auf einer in den Figuren nicht gezeigten Antriebswelle eines Antriebs, vorzugsweise eines Elektromotors 17, gelagert. Gegebenenfalls kann dem Elektromotor 17 ein Getriebe zugeordnet sein. Dann ist die Innentrommel 12 mit der geschlossenen rückwärtigen Stirnseite 16 auf der Abtriebswelle des Getriebes gelagert. Der Elektromotor 17 (und gegebenenfalls das Getriebe) sind unverdrehbar an einer geschlossenen Rückwand 18 des Trommelgehäuses 14 befestigt. Dadurch trägt die Rückwand 18 des Trommelgehäuses 14 die Innentrommel 12 und den Antrieb.The inner drum 12 is mounted on a closed, rear end face 16 on a drive shaft, not shown in the figures, of a drive, preferably an electric motor 17. Optionally, the electric motor 17 may be associated with a transmission. Then, the inner drum 12 is mounted with the closed rear end face 16 on the output shaft of the transmission. The electric motor 17 (and possibly the transmission) are non-rotatably mounted on a closed rear wall 18 of the drum housing 14. As a result, the rear wall 18 of the drum housing 14 carries the inner drum 12 and the drive.

Das Trommelgehäuse 14 ist elastisch an einem Rahmenfundament 20 gelagert. Das Rahmenfundament 20 ist aus einem feststehenden, unteren Fundamentteil 21 und einem demgegenüber um eine horizontale, quer zur Drehachse 11 der Innentrommel 12 verlaufende Schwenkachse 22 verschwenkbaren Schwenkrahmen 23 gebildet. Auf dem Schwenkrahmen 23 befinden sich die Luftfedern 19, die das Trommelgehäuse 14. Es ist aber auch denkbar, das Rahmenfundament 20 einteilig auszubilden.The drum housing 14 is elastically mounted on a frame foundation 20. The frame foundation 20 is formed from a fixed, lower foundation part 21 and a swing frame 23 pivotable about a horizontal, transverse to the axis of rotation 11 of the inner drum 12 extending pivot axis 22. On the swing frame 23 are the air springs 19, the drum housing 14. It is also conceivable to form the frame foundation 20 in one piece.

Das Trommelgehäuse 14 mit der darin angeordneten Innentrommel 12 ruhen bei der hier gezeigten Vorrichtung nicht direkt auf den Luftfedern 19. Vielmehr sind auf den auf dem Rahmenfundament 20 angeordneten Luftfedern 19 zwei parallele Träger 24 angeordnet, die das Trommelgehäuse 14 tragen. Die beiden Träger 24 sind gegenüberliegenden Seiten des Trommelgehäuses 14 zugeordneten, und zwar in einem solchen Abstand, dass sich ein Teil des Trommelgehäuses 14 zwischen den Trägern 24 befindet und nach unten zwischen den Trägern 24 vorstehen kann. Demzufolge ist jeder der beiden Träger 24 auf zwei der insgesamt vier Luftfedern 19 gelagert. Auf jedem Träger 24 befindet sich ein Lager 25 zur drehenden Aufnahme eines Achsstummels 26 an gegenüberliegenden Seiten des Trommelgehäuses 14. Die gegenüberliegenden Achsstummel 26, die gegenüber dem Trommelgehäuse 14 nach außen vorstehen, liegen auf einer gemeinsamen, gedachten, horizontalen Schwenkachse 27, die die Drehachse 11 der Innentrommel 12 rechtwinklig schneidet. Mindestens einem Achsstummel 26 ist ein Direktantrieb 28 zugeordnet, der im gezeigten Ausführungsbeispiel aus einem Elektromotor mit einem Untersetzungsgetriebe gebildet ist. Es ist aber auch denkbar, zum stufenlosen Verschwenken des Trommelgehäuses 14 mit der Innentrommel 12 einen Schwenkgetriebemotor vorzusehen. Vom Direktantrieb 28 ist das Trommelgehäuse 14 mit der Innentrommel 12 um die Schwenkachse 27 stufenlos stufenlos verschwenkbar in verschiedene Stellungen, und zwar beliebige Beladestellungen (Fig. 1 und 2), eine Nassbehandlungsstellung zum Waschen und Schleudern (Fig. 4) und beliebige Entladestellungen (Fig. 5).The drum housing 14 with the inner drum 12 arranged therein do not rest directly on the air springs 19 in the apparatus shown here. Rather, two parallel supports 24, which support the drum housing 14, are arranged on the air springs 19 arranged on the frame foundation 20. The two carriers 24 are associated with opposite sides of the drum housing 14 at a distance such that a portion of the drum housing 14 is located between the carriers 24 and may project downwardly between the carriers 24. As a result, each of the two carriers 24 mounted on two of the four air springs 19. On each support 24 is a bearing 25 for rotatably receiving a stub axle 26 on opposite sides of the drum housing 14. The opposite stub axles 26, which project outwardly relative to the drum housing 14, lie on a common, imaginary, horizontal pivot axis 27, which is the axis of rotation 11 of the inner drum 12 cuts at right angles. At least one stub axle 26 is associated with a direct drive 28, which is formed in the illustrated embodiment of an electric motor with a reduction gear. However, it is also conceivable to provide a swivel gear motor for stepless pivoting of the drum housing 14 with the inner drum 12. From the direct drive 28, the drum housing 14 with the inner drum 12 about the pivot axis 27 is infinitely steplessly pivotable in different positions, and indeed any loading orders ( Fig. 1 and 2 ), a wet treatment position for washing and spinning ( Fig. 4 ) and any unloading positions ( Fig. 5 ).

Die Fig. 1 zeigte eine Beladestellung der Waschschleudermaschine 10, in der vom Direktantrieb 28 das Trommelgehäuse 14 mit der Innentrommel 12 so verschwenkt ist, dass die Drehachse 11 der Innentrommel 12 senkrecht verläuft. Die Fig. 2 zeigt eine alternative Beladestellung, bei der die Drehachse 11 schräg verläuft, und zwar im gezeigten Ausführungsbeispiel unter 60° zur Vertikalen. Daneben sind beliebige andere Beladestellungen denkbar, die jedoch eine Neigung von 60° zur Vertikalen nicht überschreiten sollten. Eine effektivste Beladung ergibt sich, wenn die Neigung gegenüber der Vertikalen nur 50° beträgt, vorzugsweise nur 40°. Die Fig. 4 zeigt die Betriebsstellung der Waschschleudermaschine 10, in der das Waschen und Schleudern der Wäsche erfolgt. Hier verläuft die Drehachse 11 der Innentrommel 12 und die damit zusammenfallende Längsmittelachse des Trommelgehäuses 14 horizontalgerichtet. Zum Entladen der gewaschenen und geschleuderten Wäsche wird das Trommelgehäuse 14 mit der darin drehend gelagerten Innentrommel 12 der Waschschleudermaschine 10 verschwenkt, und zwar ausgehend von der Betriebsstellung (Fig. 4) so weit, dass die Drehachse 11 der Innentrommel 12 in Richtung zur Öffnung 13 bzw. 15 leicht abwärts geneigt gegenüber der Horizontalen verläuft (Fig. 5). Diese Neigung zum Entladen der Waschschleudermaschine 10 kann den Bedürfnissen entsprechend während des Entladens vorzugsweise kontinuierlich verändert werden und infolge des Direktantriebs 28 beliebig sein. Das Beladen und/oder Entladen der Waschschleudermaschine können bei einem mindestens zeitweise drehenden Antrieb der Innentrommel 12 erfolgen.The Fig. 1 showed a loading position of the washer-extractor 10, in the direct drive 28, the drum housing 14 is pivoted to the inner drum 12 so that the axis of rotation 11 of the inner drum 12 is perpendicular. The Fig. 2 shows an alternative loading position, in which the axis of rotation 11 extends obliquely, in the embodiment shown at 60 ° to the vertical. In addition, any other Beladestellungen are conceivable, but should not exceed a slope of 60 ° to the vertical. The most effective loading occurs when the inclination to the vertical is only 50 °, preferably only 40 °. The Fig. 4 shows the operating position of the washer-extractor 10, in which the washing and spinning of the laundry takes place. Here, the axis of rotation 11 of the inner drum 12 and the coincident longitudinal central axis of the drum housing 14 extends horizontally. To unload the washed and spun laundry, the drum housing 14 is pivoted with the inner drum 12 of the washer-extractor 10 rotatably mounted therein, starting from the operating position (FIG. Fig. 4 ) so far that the axis of rotation 11 of the inner drum 12 in the direction of the opening 13 or 15 is slightly inclined downward with respect to the horizontal ( Fig. 5 ). This tendency for unloading the washer-extractor 10 may be changed according to the needs during unloading preferably continuously and be arbitrary due to the direct drive 28. The loading and / or unloading of the washer-extractor can take place with an at least occasional rotating drive of the inner drum 12.

Die Waschschleudermaschine 10 verfügt nur über eine einzige Tür 29. Die nur eine Tür 20 dient zum Verschließen der einzigen Öffnung 15 in einer der Rückwand 18 gegenüberliegenden Stirnseite des Trommelgehäuses 14 und auch gleichzeitig zum Verschließen der einzigen Öffnung 13 der Innentrommel 12. Erfindungsgemäß ist die Tür 29 als separate Tür 29 ausgebildet, die mit dem Trommelgehäuse 14 und der Innentrommel 12 nicht verbunden ist. Wenn die Tür 29 die Öffnung 15 des Trommelgehäuses 14 verschließt, führt das auch gleichzeitig zu einem zwar nicht direkten, aber indirekten, Verschluss der einzigen Öffnung 13 an der der Stirnseite 16 gegenüberliegenden Stirnseite der Innentrommel 12.The washer extractor 10 has only a single door 29. The only one door 20 serves to close the single opening 15 in one of the rear wall 18 opposite end side of the drum housing 14 and also simultaneously to close the single opening 13 of the inner drum 12. According to the invention, the door 29 is formed as a separate door 29, which is not connected to the drum housing 14 and the inner drum 12. When the door 29 closes the opening 15 of the drum housing 14, this also leads at the same time to a closure, which is not direct but indirect, of the single opening 13 on the end face of the inner drum 12 lying opposite the end face 16.

Die Tür 29 ist entlang einer geradlinigen horizontalen Bahn, die bei sich in der Betriebsstellung befindlicher Waschschleudermaschine 10 (Fig. 3 und 4) auf der Drehachse 11 der Innentrommel 12 liegt bzw. diese axial verlängert, von der Öffnung 15 weg- und zu derselben hinbewegbar. Im Übrigen ist die Tür 29 relativ zur Innentrommel 12 und zum Trommelgehäuse 14 feststehend mit einem Türträger 30 verbunden. Demzufolge dreht die Tür 29 beim Betrieb der Waschschleudermaschine 10 mit der drehend antreibbaren Innentrommel 12 nicht mit. Auch ist die Tür 29 nicht mit dem Trommelgehäuse 14 und der darin angeordneten Innentrommel 12 verschwenkbar.The door 29 is along a rectilinear horizontal path, which when in the operating position of the washer-extractor 10 (FIG. Fig. 3 and 4 ) is on the axis of rotation 11 of the inner drum 12 and extends axially, away from the opening 15 and hinbewegbar to the same. Incidentally, the door 29 is fixedly connected to a door carrier 30 relative to the inner drum 12 and the drum housing 14. Consequently, the door 29 does not rotate during operation of the washer-extractor 10 with the inner drum 12 that can be driven in rotation. Also, the door 29 is not pivotally connected to the drum housing 14 and the inner drum 12 disposed therein.

Der Türträger 30 ist starr und absolut unbewegbar mit den Trägern 24 des Trommelgehäuses 14 verbunden. Demzufolge ist der Türträger 30 im Gegensatz zur Tür 29 nicht zu den Öffnungen 13 und 15 hin- und von diesen wegbewegbar. Damit die Tür 29 längs der Drehachse 11 zu den Öffnungen 13 und 15 hin- und von diesen wegbewegbar ist, befindet sich zwischen dem äußeren Umfang der Tür 29 und dem Türträger 30 ein flexibles Verbindungsmittel 31, das im gezeigten Ausführungsbeispiel als ein umlaufender, schlauchartiger Faltenbalg 31 ausgebildet ist.The door carrier 30 is rigid and absolutely immovably connected to the carriers 24 of the drum housing 14. Consequently, unlike the door 29, the door carrier 30 is not movable toward and away from the openings 13 and 15. Thus, the door 29 along the axis of rotation 11 to the openings 13 and 15 back and is movable away from this, is located between the outer periphery of the door 29 and the door support 30, a flexible connecting means 31, which in the embodiment shown as a circumferential, hose-like bellows 31 is formed.

Die Tür 29 ist mit dem Türträger 30 außerdem noch durch Führungen 32 verbunden. In den Figuren sind zwei Führungen 32 gezeigt. Die Führungen 32 stabilisieren die Tür 29 auf der die Drehachse 11 verlängernden Bewegungsbahn während der Hinbewegung zur Öffnung 15 bzw. 13 und während der Wegbewegung von der Öffnung 13 bzw. 15, weil der Faltenbalg 31 zwischen der Tür 29 und dem Türträger 30 elastisch ausgebildet ist und dadurch keine Führung der Tür 29 bilden kann.The door 29 is also connected to the door support 30 also by guides 32. In the figures, two guides 32 are shown. The guides 32 stabilize the door 29 on the axis of rotation 11 extending path of movement during the forward movement to the opening 15 and 13 and during the movement away from the opening 13 and 15, because the bellows 31 between the door 29 and the door support 30 is elastic and thereby can not form a guide of the door 29.

Die Tür 29 ist im gezeigten Ausführungsbeispiel gebildet aus drei Abschnitten, und zwar einem äußeren Kreisringabschnitt 33, einem mittleren Profilabschnitt 34 und einem inneren Kreisabschnitt 35. Der Kreisabschnitt 35 kann durch eine Glasscheibe gebildet sein, wodurch die Tür 29 ein Schauglas aufweist. Der Profilquerschnitt 34 ist in besondere Weise nach innen gewölbt, und zwar so, dass der Profilquerschnitt 34 einen äußeren kegelstumpfartigen Schließabschnitt 36 aufweist.The door 29 is formed in the illustrated embodiment of three sections, namely an outer circular ring portion 33, a central profile portion 34 and an inner circular portion 35. The circular portion 35 may be formed by a glass sheet be, whereby the door 29 has a sight glass. The profile cross-section 34 is arched in a particular way inward, in such a way that the profile cross-section 34 has an outer truncated cone-like closing portion 36.

Die Tür 29 verfügt über eine umlaufende Dichtung 37, die dazu dient, die Öffnung 15 des Trommelgehäuses 14 in der Betriebsstellung der Waschschleudermaschine 10 abzudichten, und zwar zumindest so weit, dass keine Flüssigkeit aus dem Trommelgehäuse 14 während des Betriebs der Waschschleudermaschine 10 austreten kann. Die Dichtung 37 ist im gezeigten Ausführungsbeispiel gebildet aus zwei kreisförmigen umlaufenden und konzentrisch zueinander verlaufenden Dichtungsprofilen 38, 39. Der Abstand zwischen zueinander gerichteten Dichtflächen der Dichtungsprofile 38 und 39 ist so ausgebildet, dass zwischen die Dichtungsprofile 38 und 39 ein vorderer Teil eines die Öffnung 15 des Trommelgehäuses 14 umgebenden zylindrischen Dichtrings 40 eingreift, wenn die Tür 29 in der Betriebsstellung der Waschschleudermaschine 10 gegen die Öffnung 15 gefahren ist (Fig. 4). Dabei korrespondiert der Dichtring 40 des Trommelgehäuses 14 mit den seinen gegenüberliegenden Mantelflächen zugeordneten Dichtungsprofilen 38 und 39 an der Tür 29 derart, dass es zu einem mindestens flüssigkeitsdichten Verschluss der Öffnung 15 des Trommelgehäuses 14 durch eine Abdichtung zwischen den Dichtungsprofilen 38 und 39 der Tür 29 und dem Dichtring 40 des Trommelgehäuses 14 kommt.The door 29 has a circumferential seal 37, which serves to seal the opening 15 of the drum housing 14 in the operating position of the washer-extractor 10, at least so far that no liquid can escape from the drum housing 14 during operation of the washer-extractor 10. The seal 37 is formed in the illustrated embodiment of two circular circumferential and concentric with each other extending sealing profiles 38, 39. The distance between mutually facing sealing surfaces of the sealing profiles 38 and 39 is formed so that between the sealing profiles 38 and 39, a front part of the opening 15th the drum housing 14 surrounding cylindrical sealing ring 40 engages when the door 29 has moved in the operating position of the washer-extractor 10 against the opening 15 ( Fig. 4 ). In this case, the sealing ring 40 of the drum housing 14 corresponds with its opposite lateral surfaces associated sealing profiles 38 and 39 on the door 29 such that there is an at least liquid-tight closure of the opening 15 of the drum housing 14 by a seal between the sealing profiles 38 and 39 of the door 29 and the sealing ring 40 of the drum housing 14 comes.

In besonderer erfindungsgemäßer Weise ist die Zufuhr von Medien zur Waschschleudermaschine 10 ausgebildet. Bei diesen Medien handelt es sich hauptsächlich um Waschwasser und Waschzusatzstoffe, insbesondere Waschmittel, die vor und/oder während des Waschens von außen in die Waschschleudermaschine 10 eingeleitet werden müssen. Außerdem ist das beim Schleudern der Wäsche anfallende Wasser abzuführen.In a particular inventive manner, the supply of media to the washer-extractor 10 is formed. These media are mainly washing water and laundry additives, in particular detergents, which must be introduced into the washer-extractor 10 from outside before and / or during washing. In addition, the accumulating during the spin of the laundry water is dissipate.

Die Medienzufuhr ins Innere des Trommelgehäuses 14 erfolgt durch mindestens einen Achsstummel 26. Der Achsstummel 26 verfügt dazu über eine mittige axiale Durchgangsbohrung. Diese Durchgangsbohrung ist an der außen liegenden freien Stirnseite des Achsstummels 26 mit einem Drehanschluss verbunden. Am Drehanschluss wiederum ist die mindestens eine Zuführleitung für Medien angeschlossen.The media feed into the interior of the drum housing 14 by at least one stub axle 26. The stub axle 26 has to have a central axial through hole. This through hole is connected to the outer free end of the stub axle 26 with a rotary connection. At the rotary connection, in turn, the at least one supply line for media is connected.

Die Fig. 6 bis 9 zeigen ein zweites Ausführungsbeispiel der Vorrichtung, und zwar eine Waschschleudermaschine 41 in der sogenannten Trennwandanordnung bzw. Trennwandausführung. Diese Waschschleudermaschine 41 dient zum Einsatz in Reinbereichen, wo besondere hygienische Anforderungen einzuhalten sind. Die Waschschleudermaschine 41 wird dazu in einem Schmutzbereich 42 mit ungewaschener Wäsche beladen. Die gewaschene und geschleuderte Wäsche wird entladen in einem vom Schmutzbereich 42 durch eine Trennwand 43 isolierten Reinbereich 44. Die Waschschleudermaschine 41 ist prinzipiell genauso aufgebaut wie die Waschschleudermaschine 10. Insofern wird auf die vorangegangene Beschreibung zur Waschschleudermaschine 10 Bezug genommen und es sind für gleiche Teile gleiche Bezugsziffern für die Waschschleudermaschine 41 der Fig. 6 bis 9 verwendet.The Fig. 6 9 show a second embodiment of the device, namely a washer-extractor 41 in the so-called partition wall design. This washer extractor 41 is used in clean areas where special hygienic requirements must be met. The washer-extractor 41 is loaded in a dirt area 42 with unwashed laundry. The washed and hurled laundry is discharged in a clean area 44 isolated from the dirt area 42 by a partition wall 43. The washer-extractor 41 is basically constructed the same as the washer-extractor 10. In this respect, reference is made to the previous description of the washer-extractor 10 and it is the same for like parts Reference numerals for the washer-extractor 41 of Fig. 6 used to 9.

Das die drehbare Innentrommel 12 aufweisende Trommelgehäuse 14 der Waschschleudermaschine 41 ist um die Schwenkachse 22 und die parallel dazu verlaufende Schwenkachse 27 verschwenkbar. Zum Verschwenken des Trommelgehäuses 14 um die Schwenkachse 22 zwischen dem unteren Fundamentteil 21 und dem Schwenkrahmen 23 des Rahmenfundaments 20 ist mindestens ein längs einer vertikalen Achse auseinander- und zusammenfahrbarer Balgzylinder 45 vorgesehen. Der Balgzylinder 45 ist an einem von der Schwenkachse 22 entfernten Ende des Rahmenfundaments 20 zwischen dem feststehenden unteren Fundamentteil 21 und dem Schwenkrahmen 23 angeordnet.The rotatable inner drum 12 having drum housing 14 of the washer-extractor 41 is pivotable about the pivot axis 22 and the pivot axis 27 extending parallel thereto. For pivoting the drum housing 14 about the pivot axis 22 between the lower foundation part 21 and the swing frame 23 of the frame foundation 20 at least one along a vertical axis apart and movable together bellows cylinder 45 is provided. The bellows cylinder 45 is disposed at an end of the frame foundation 20 remote from the pivot axis 22 between the fixed lower foundation part 21 and the swing frame 23.

Die Fig. 6 zeigt eine mögliche Beladestellung der Waschschleudermaschine 41, wobei die Drehachse 11 der Innentrommel 12 senkrecht verläuft. Die dann oben liegenden einzigen Öffnungen 13 und 15 der Innentrommel 12 bzw. des Trommelgehäuses 14 sind somit im Schmutzbereich 42 von oben mit zu waschender Wäsche beladbar. Es ist aber auch denkbar, aus dem Schmutzbereich 42 heraus die Waschschleudermaschine 41 in anderen Beladestellungen mit schmutziger Wäsche zu beschicken, bei denen die Drehachse 11 schräg zur Vertikalen verläuft, beispielsweise sich das Trommelgehäuse 14 mit der Innentrommel 12 in einer Position befindet, wie sie in der Fig. 2 im Zusammenhang mit der Waschschleudermaschine 10 dargestellt ist. Zum Beladen ist das Trommelgehäuse 14 um die Schwenkachse 27 vom Direktantrieb 28 verschwenkbar. Die Fig. 8 zeigt eine Betriebsstellung der Waschschleudermaschine 41, in der die Wäsche gewaschen und anschließend geschleudert wird. Hierbei verläuft die Drehachse 11 der drehend antreibbaren Innentrommel 12 horizontal gerichtet. In die Betriebsstellung wird das Trommelgehäuse 14 auch um die Schwenkachse 27 geschwenkt. Das Entladen der Waschschleudermaschine 41 erfolgt gemäß der Darstellung in der Fig.9 bei um die Schwenkachse 22 verschwenktem Trommelgehäuse 14 mit der darin angeordneten Innentrommel 12. Dieses Verschwenken erfolgt durch ein Ausfahren des Balgzylinders 45, wodurch der Schwenkrahmen 23 des Rahmenfundaments 20 am von der Schwenkachse 22 weggerichteten Ende angehoben wird. Hierbei verläuft die Drehachse 11 leicht geneigt zur Horizontalen, und zwar in Richtung zu den Öffnungen 13 und 15 abwärtsgerichtet, wodurch beim vorzugsweise drehenden Antrieb der Innentrommel 12 die gewaschene Wäsche durch die Öffnungen 13 und 15 hindurch in den Reinbereich 44 auf der dem Schmutzbereich 42 gegenüberliegenden Seite der Trennwand 43 gelangt.The Fig. 6 shows a possible loading position of the washer-extractor 41, wherein the axis of rotation 11 of the inner drum 12 is perpendicular. The then above single openings 13 and 15 of the inner drum 12 and the drum housing 14 are thus in the dirty area 42 from above loaded with laundry to be washed. But it is also conceivable to feed from the dirt area 42 out the washer-extractor 41 in other loading orders with dirty laundry, in which the axis of rotation 11 extends obliquely to the vertical, for example, the drum housing 14 is located with the inner drum 12 in a position as in of the Fig. 2 in connection with the washer-extractor 10 is shown. For loading the drum housing 14 about the pivot axis 27 of the direct drive 28 is pivotable. The Fig. 8 shows an operating position of the washer-extractor 41, in which the laundry is washed and then spun. Here, the axis of rotation 11 of the rotationally driven internal drum 12 is directed horizontally. In the operating position, the drum housing 14 is also pivoted about the pivot axis 27. The unloading of the washer-extractor 41 is carried out as shown in Figure 9 at about the pivot axis 22 pivoted drum housing 14 with the therein inner drum 12. This pivoting is carried out by an extension of the bellows cylinder 45, whereby the swing frame 23 of the frame foundation 20 on of the pivot axis 22 straightened end is raised. Here, the rotation axis 11 is slightly inclined to the horizontal, in the direction of the openings 13 and 15th downwards, whereby the washed laundry passes through the openings 13 and 15 into the clean area 44 on the side opposite the dirt area 42 of the partition wall 43 during the preferably rotating drive of the inner drum 12.

Auch die Waschschleudermaschine 41 verfügt über eine besonders ausgebildete Tür 46 zum Verschließen der einzigen Öffnung 15 des Trommelgehäuses 14 und der einzigen Öffnung 13 der Innentrommel 12. Diese Tür 46 ist ebenfalls separat zum Trommelgehäuse 14 der Innentrommel 12 angeordnet, so dass die Tür 46 vom Trommelgehäuse 14 trennbar ist, um das Trommelgehäuse 14 mit der Innentrommel 12 in die jeweilige Beladestellung um die Schwenkachse 27 zu verschwenken. Die Tür 46 ist relativ zur drehend antreibbaren Innentrommel 12 stillstehend angeordnet, wodurch die Tür 46 nicht mit der Innentrommel 12 drehend antreibbar ist. Außerdem nimmt die Tür 46 nicht an der Schwenkbewegung des Trommelgehäuses 14 mit der Innentrommel 12 um die Schwenkachse 27 teil, wenn das Trommelgehäuse 14 mit der Innentrommel 12 in die Beladestellung und aus dieser heraus verschwenkt wird. Jedoch ist auch die Tür 46 auf einer geradlinigen Bahn, die auf der Drehachse 11 liegt, hin- und herfahrbar, und zwar zu den Öffnungen 13 und 15 hin, und von den Öffnungen 13 und 15 weg. Die Tür 46 ist abweichend von der Tür 29 der Waschschleudermaschine 10, aber auch mit dem Trommelgehäuse 14 und der Innentrommel 12 verschwenkbar, wenn das Trommelgehäuse 14 und die Innentrommel 12 um die Schwenkachse 22 am Rahmenfundament 20 in die Entladestellung geschwenkt wird. Dieser Schwenkweg der Tür 46 ist aber beschränkt auf den relativ geringen Schwenkwinkel des Trommelgehäuses 14 der Innentrommel 12 zum Entladen der Waschschleudermaschine 41. Diese Winkel beträgt maximal 30°, vorzugsweise nur etwa 15° bis 20° (Fig. 9).Also, the washer-extractor 41 has a specially designed door 46 for closing the single opening 15 of the drum housing 14 and the single opening 13 of the inner drum 12. This door 46 is also separate from the drum housing 14 of the inner drum 12 so that the door 46 is away from the drum housing 14 is separable to pivot the drum housing 14 with the inner drum 12 in the respective loading position about the pivot axis 27. The door 46 is arranged stationary relative to the rotationally driven inner drum 12, whereby the door 46 is not rotationally driven with the inner drum 12. In addition, the door 46 does not participate in the pivoting movement of the drum housing 14 with the inner drum 12 about the pivot axis 27 when the drum housing 14 is pivoted with the inner drum 12 in the loading position and out of it. However, the door 46 is also reciprocable on a rectilinear path, which lies on the axis of rotation 11, towards the openings 13 and 15, and away from the openings 13 and 15. The door 46 is different from the door 29 of the washer-extractor 10, but also with the drum housing 14 and the inner drum 12 pivoted when the drum housing 14 and the inner drum 12 is pivoted about the pivot axis 22 on the frame foundation 20 in the unloading position. However, this pivoting of the door 46 is limited to the relatively small pivot angle of the drum housing 14 of the inner drum 12 for unloading the washer-extractor 41. This angle is a maximum of 30 °, preferably only about 15 ° to 20 ° (Fig. 9).

Die Tür 46 ist gebildet aus einer Innentür 47 und einem diesen umgebenden Türrahmen 48. Der Türrahmen 48 ist über Führungen 49, die wie die Führungen 32 bei der Waschschleudermaschine 10 ausgebildet sein können, mit einem Türträger 50 verbunden. Der Türträger 50 wiederum ist fest mit dem Schwenkrahmen 23 des Rahmenfundaments 20 verbunden. Im gezeigten Ausführungsbeispiel ist der Türträger 50 mit den Trägern 24 des Schwenkrahmens 23 starr verbunden. Der Türträger 50 bildet gleichzeitig einen Teil der Trennwand 43. Umgeben ist der Türträger 50 bzw. dieser Teil der Trennwand 43 von einer elastischen Membran 51, die ebenfalls einen Teil der Trennwand 43 bildet. Die elastische Membran 51 ermöglicht es, den einen inneren Teil der Trennwand 43 bildenden Türträger 50 gegenüber der vertikalen Ebene der Trennwand 43 zu verschwenken, wenn das Trommelgehäuse 14 mit der Innentrommel 12 um die Schwenkachse 22 in die Entladestellung verschwenkt wird (Fig. 9).The door 46 is formed of an inner door 47 and a surrounding door frame 48. The door frame 48 is connected via guides 49, which may be formed as the guides 32 in the washer-extractor 10, with a door support 50. The door carrier 50 in turn is fixedly connected to the pivot frame 23 of the frame foundation 20. In the illustrated embodiment, the door carrier 50 is rigidly connected to the carriers 24 of the swing frame 23. The door carrier 50 forms at the same time a part of the partition wall 43. The door carrier 50 or this part of the partition wall 43 is surrounded by an elastic membrane 51, which also forms part of the partition wall 43. The elastic membrane 51 makes it possible to pivot the door carrier 50 forming an inner part of the partition wall 43 with respect to the vertical plane of the partition wall 43 when the drum housing 14 with the inner drum 12 is pivoted about the pivot axis 22 into the unloading position (FIG. 9).

Die Tür 46, und zwar der kreisringförmige Türrahmen 48, ist mit dem Türträger 50 durch einen Faltenbalg 31 oder einen flexiblen Schlauch verbunden. Dadurch ist die Tür 46 mit der Innentür 47 und dem Türrahmen 48 zum Türträger 50 hin- und von diesem wegbewebar.The door 46, namely the annular door frame 48, is connected to the door carrier 50 by a bellows 31 or a flexible hose. As a result, the door 46 with the inner door 47 and the door frame 48 to the door support 50 back and away from this wegbewebar.

Die Innentür 47 setzt sich zusammen aus einem äußeren Kreisringabschnitt 52, einem von diesem umgebenden Profilquerschnitt 53 und einem inneren Kreisabschnitt 54. Der Kreisabschnitt 54 und der Profilabschnitt 53 sind wie der Profilabschnitt 34 und der Kreisabschnitt 35 der Tür 29 der Waschschleudermaschine 10 ausgebildet. Hingegen ist der Kreisringabschnitt 52 der Tür 46 kleiner als der Kreisringabschnitt 33 der Tür 29, weil der Kreisringabschnitt 52 noch vom Türrahmen 48 umgeben ist. Der Kreisringabschnitt 52 und der Türrahmen 48 der Tür 46 sind zusammen etwa so groß wie der Kreisringabschnitt 33 der Tür 29.The inner door 47 is composed of an outer circular ring section 52, a profile cross-section 53 surrounding it and an inner circular section 54. The circular section 54 and the profile section 53 are formed like the profile section 34 and the circular section 35 of the door 29 of the washer-extractor 10. By contrast, the circular ring section 52 of the door 46 is smaller than the circular ring section 33 of the door 29 because the circular ring section 52 is still surrounded by the door frame 48. The circular ring portion 52 and the door frame 48 of the door 46 are together about as large as the circular ring portion 33 of the door 29th

Eine Dichtung 55 zum Abdichten der Tür 46 gegenüber der Öffnung 15 des Trommelgehäuses 14 ist wie die Dichtung 37 der Tür 29 ausgebildet, setzt sich nämlich aus zwei konzentrischen, ringförmigen Dichtungsprofilen 56 und 57 zusammen. Ein inneres Dichtungsprofil 56 ist in der Nähe des äußeren Randes des Kreisringabschnitts 52 der Innentür 47 angeordnet, während ein äußeres Dichtungsprofil 57 in der Nähe des Innenrandes des Türrahmens 48 angeordnet ist.A seal 55 for sealing the door 46 with respect to the opening 15 of the drum housing 14 is formed like the seal 37 of the door 29, namely, consists of two concentric, annular sealing profiles 56 and 57 together. An inner sealing profile 56 is disposed near the outer edge of the annular portion 52 of the inner door 47, while an outer sealing profile 57 is disposed in the vicinity of the inner edge of the door frame 48.

Auch bei der Waschschleudermaschine 41 kann die Medienzufuhr durch einen Achsstummel 26 zur Bildung eines Teils der Schwenkachse 27 des Trommelgehäuses 14 mit der Innentrommel 12 erfolgen. Vorteilhafterweise erfolgt die Medienzufuhr durch mindestens einen der beiden Achsstummel 26 hindurch. Hinsichtlich der konkreten Ausgestaltung der Medienzufuhr wird auf die vorstehende Beschreibung zur Waschschleudermaschine 10 Bezug genommen.Also in the washer-extractor 41, the media supply can be done by a stub axle 26 to form a part of the pivot axis 27 of the drum housing 14 with the inner drum 12. Advantageously, the media supply takes place through at least one of the two stub axles 26. With regard to the specific embodiment of the media supply, reference is made to the above description of the washer-extractor 10.

Claims (4)

  1. Device for wet treatment of laundry, in particular a washer-extractor (10, 41), with an inner drum (12) which is rotationally driven about a rotation axis (11) and which receives the laundry that is to be treated, and a drum housing (14) surrounding the inner drum (12), the inner drum (12) and the drum housing (14) surrounding it being pivotable about a pivot axis (22, 27) with two opposite axle journals (26) into any desired loading positions, characterized in that at least one axle journal (26) of the pivot axis (27) of the drum housing (14) is assigned at least one delivery means for at least one medium for wet treatment of the laundry.
  2. Device according to Claim 1, characterized in that the delivery means is configured as an axial passage for the at least one medium.
  3. Device according to Claim 1 or 2, characterized in that a free front end of the at least one axle journal (26) is assigned a rotary attachment for at least one admission line for delivering at least one medium to the inside of the drum housing (14).
  4. Device according to one of the preceding claims, characterized in that the inner drum (12) with the drum housing (14) can be pivoted into such loading positions that the rotation axis (11) of the inner drum (12) extends perpendicularly or at an angle of up to 60° to the perpendicular, and preferably the pivot axis (27), in particular at least one of two opposite axle journals (26) for forming the pivot axis (27) of the drum housing (14), is assigned a direct drive (28) for pivoting the drum housing (14) with the inner drum (12) mounted rotatably therein.
EP05700943A 2004-01-16 2005-01-14 Device and method for wet treating laundry Not-in-force EP1704276B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004002585A DE102004002585A1 (en) 2004-01-16 2004-01-16 Apparatus for the wet treatment of laundry
PCT/EP2005/000349 WO2005068707A1 (en) 2004-01-16 2005-01-14 Device and method for wet treating laundry

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EP1704276A1 EP1704276A1 (en) 2006-09-27
EP1704276B1 true EP1704276B1 (en) 2010-03-10

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US (1) US20070151042A1 (en)
EP (1) EP1704276B1 (en)
AT (1) ATE460531T1 (en)
CA (1) CA2553238A1 (en)
DE (2) DE102004002585A1 (en)
ES (1) ES2341656T3 (en)
WO (1) WO2005068707A1 (en)

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ES2341656T3 (en) 2010-06-24
DE102004002585A1 (en) 2005-08-04
ATE460531T1 (en) 2010-03-15
EP1704276A1 (en) 2006-09-27
WO2005068707A1 (en) 2005-07-28
CA2553238A1 (en) 2005-07-28
DE502005009187D1 (en) 2010-04-22
US20070151042A1 (en) 2007-07-05

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