EP0364763A1 - Continuous tunnel washing machine - Google Patents

Continuous tunnel washing machine Download PDF

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Publication number
EP0364763A1
EP0364763A1 EP89117535A EP89117535A EP0364763A1 EP 0364763 A1 EP0364763 A1 EP 0364763A1 EP 89117535 A EP89117535 A EP 89117535A EP 89117535 A EP89117535 A EP 89117535A EP 0364763 A1 EP0364763 A1 EP 0364763A1
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EP
European Patent Office
Prior art keywords
washing
screw conveyor
axis
washing drum
drum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP89117535A
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German (de)
French (fr)
Other versions
EP0364763B1 (en
Inventor
Hans Steinort
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.)
Senkingwerk GmbH KG
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Senkingwerk GmbH KG
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Filing date
Publication date
Application filed by Senkingwerk GmbH KG filed Critical Senkingwerk GmbH KG
Publication of EP0364763A1 publication Critical patent/EP0364763A1/en
Application granted granted Critical
Publication of EP0364763B1 publication Critical patent/EP0364763B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • D06F31/00—Washing installations comprising an assembly of several washing machines or washing units, e.g. continuous flow assemblies
    • D06F31/005—Washing installations comprising an assembly of several washing machines or washing units, e.g. continuous flow assemblies consisting of one or more rotating drums through which the laundry passes in a continuous flow

Definitions

  • the invention relates to a continuous washing machine for lot washing, consisting of a tubular washing drum which contains a sinuous wall as a screw conveyor.
  • a lot washing machine is described in DE-OS 29 27 873.
  • One turn of the screw conveyor forms a washing chamber for one item of laundry.
  • the washing process takes place by swinging the washing drum by less than 360 °, while a full rotation causes the laundry item to be transported to the next washing chamber.
  • DE-PS 29 44 857 it is known to provide the shell part of the washing drum enveloping the screw conveyor with driving ribs which are distributed uniformly in a known manner in the longitudinal direction of the drum shell over its inner surface.
  • the outlay for such a continuous washing machine is essentially determined, among other things, by the diameter for the washing drum that has to be chosen for a certain desired weight of a laundry item.
  • the invention has for its object to make this ratio of washing drum diameter to lot weight cheaper. To achieve the object of the invention, the characterizing features specified in claim 1 are proposed.
  • the axis of rotation of the washing drum 1 coincides with the center hole 2 of the screw conveyor, as shown in FIGS. 1 a and 1 b.
  • the laundry is churned by the washing fins 4, so that it takes up the volume 5 a together with the wash liquor, while in the rest position (FIG. 1 b) only the volume 5 b is claimed.
  • the capacity of the washing drum 1 is limited by the fact that no laundry may fall through the center hole 2 of the screw conveyor during the washing process or touch a center tube introduced there.
  • the laundry is at a greater distance from the center hole 2 by about the height H (FIG. 16), so that more laundry could be transported here.
  • 2 a and 2 b the conditions in the case of an eccentrically arranged screw conveyor are shown schematically in comparison to FIGS. 1a and 1b.
  • the screw conveyor expediently has a uniform pitch with respect to its construction axis 9 which is eccentrically located in the washing drum.
  • FIG. 3 there is also the advantage that the axial movement of the laundry per unit of the pivoting angle during the washing process is less than during the transport process.
  • the lower boundary edge 6 of the screw conveyor 7 has a uniform course, while the outer edge 8 abutting the washing drum casing in space has a periodically changed course, namely in the washing area (large distance from the washing drum 1 to the construction axis 9 of the screw conveyor) there is a slight shift per edge length unit of the edge 8 with respect to the longitudinal axis, and a larger shift in the opposite transport area.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

Bei einer Durchlaufmaschine mit einer gewundenen Wand als Förderschnecke (7) sind die Konstruktionsachse der Förderschnecke und die Drehachse der Waschtrommel (1) exzentrisch zueinander angeordnet. Waschrippen (4) befinden sich nur in dem von der Konstruktionsachse der Förderschnecke am weitesten entfernten Bereich. Auf diese Weise wird ein günstiges Verhältnis von Waschtrommel-Durchmesser zu dem Wäscheposten - Gewicht erzielt.In the case of a continuous machine with a sinuous wall as a screw conveyor (7), the construction axis of the screw conveyor and the axis of rotation of the washing drum (1) are arranged eccentrically to one another. Wash fins (4) are only located in the area furthest away from the construction axis of the screw conveyor. In this way, a favorable ratio of the washing drum diameter to the laundry item weight is achieved.

Description

Die Erfindung bezieht sich auf eine Durchlaufwaschmaschine für Postenwäsche, bestehend aus einer rohrförmigen Waschtrommel, welche als Förderschnecke eine gewundene Wand enthält. Eine derartige Postenwaschmaschine ist in der DE-OS 29 27 873 beschrieben. Je eine Windung der Förderschnecke bildet eine Waschkammer für einen Wäscheposten. Durch pendelnde Bewegung der Waschtrommel um weniger als 360° erfolgt der Waschvorgang, während durch eine volle Umdrehung der Transport des Wäschepostens in die nächste Waschkammer bewirkt wird. Durch die DE-PS 29 44 857 ist es bekannt, den die Förderschnecke umhüllenden Mantelteil der Waschtrommel mit Mitnehmerrippen zu versehen, welche in bekannter Weise in Längsrichtung des Trommelmantels über dessen Innenfläche gleichmäßig verteilt sind.The invention relates to a continuous washing machine for lot washing, consisting of a tubular washing drum which contains a sinuous wall as a screw conveyor. Such a lot washing machine is described in DE-OS 29 27 873. One turn of the screw conveyor forms a washing chamber for one item of laundry. The washing process takes place by swinging the washing drum by less than 360 °, while a full rotation causes the laundry item to be transported to the next washing chamber. From DE-PS 29 44 857 it is known to provide the shell part of the washing drum enveloping the screw conveyor with driving ribs which are distributed uniformly in a known manner in the longitudinal direction of the drum shell over its inner surface.

Der Aufwand für eine solche Durchlaufwaschmaschine wird u. a. wesntlich dadurch bestimmt, welchen Durchmesser für die Waschtrommel man für ein bestimmtes angestrebtes Gewicht eines Wäschepostens wählen muß. Der Erfindung liegt die Aufgabe zugrunde, dieses Verhältnis von Waschtrommel-Durchmesser zu Postengewicht günstiger zu gestalten. Zur Lösung der erfindungsgemäßen Aufgabe werden die im Patentanspruch 1 angegebenen kennzeichnenden Merkmale vorgeschlagen.The outlay for such a continuous washing machine is essentially determined, among other things, by the diameter for the washing drum that has to be chosen for a certain desired weight of a laundry item. The invention has for its object to make this ratio of washing drum diameter to lot weight cheaper. To achieve the object of the invention, the characterizing features specified in claim 1 are proposed.

Anhand der Zeichnung soll die Erfindung näher erläutert und an einem Ausführungsbeispiel dargestellt werden.The invention is to be explained in more detail with reference to the drawing and to be illustrated using an exemplary embodiment.

Es zeigen

  • Fig. 1 a und 1 b die Verhältnisse bei konzentrischer Anordnung von Drehachse und Konstruktionsachse der Förder­schnecke an einem Trommelquerschnitt.
  • Fig. 2 a und 2 b die Verhältnisse bei Anordnung nach der Erfindung.
  • Fig. 3 einen Längsschnitt durch eine Waschtrommel im Prinzip.
Show it
  • 1 a and 1 b, the conditions with a concentric arrangement of the axis of rotation and the construction axis of the screw conveyor on a drum cross section.
  • 2 a and 2 b, the conditions when arranged according to the invention.
  • Fig. 3 shows a longitudinal section through a washing drum in principle.

Bei den bekannten Durchlaufwaschmaschinen fällt die Drehachse der Waschtrommel 1 mit dem Zentrumsloch 2 der Förderschnecke zusammen, wie Fig. 1 a und 1 b andeuten soll. Beim Waschvorgang während der Waschtrommel-Pendelbewegung wird die Wäsche durch die Waschrippen 4 aufgewühlt, sodaß sie zusammen mit der Waschlauge das Volumen 5 a einnimmt, während in Ruhelage (Fig. 1b) nur das Volumen 5 b beansprucht wird.In the known continuous washing machines, the axis of rotation of the washing drum 1 coincides with the center hole 2 of the screw conveyor, as shown in FIGS. 1 a and 1 b. During the washing process during the washing drum pendulum movement, the laundry is churned by the washing fins 4, so that it takes up the volume 5 a together with the wash liquor, while in the rest position (FIG. 1 b) only the volume 5 b is claimed.

Das Fassungsvermögen der Waschtrommel 1 ist dadurch begrenzt, daß keine Wäsche während des Waschvorgangs durch das Zentrumsloch 2 der Förderschnecke fallen oder ein dort eingebrachtes Mittelrohr berühren darf. Andererseits hat die Wäsche in Ruhelage einen etwa um die Höhe H (Fig. 16) größeren Abstand zum Zentrumsloch 2, sodaß hier mehr Wäsche transportiert werden könnte. Man kann somit das Zentrumsloch 2 der der Förderschnecke etwa um die halbe Höhe H weiter zum Waschtrommelmantel hin verlagern, um einerseits einen größeren Abstand zu den Waschrippen 4 zu erzielen, andererseits aber noch genügend Raum für die jetzt mögliche größere Wäschemenge 5 b + 5 d während des Transportvorganges zu haben. In den Fig. 2 a und 2 b sind die Verhältnisse bei exzentrisch angeordneter Förderschnecke im vergleich zu den Fig. 1a und 1b schematisch dargestellt. Bei einem Schwenkwinkel von weniger als 360o der Waschtrommel während des Waschvoganges genügen einige Waschrippen oder im Extremfall auch nur eine einzige Waschrippe pro Waschkammer in dem Bereich, welcher sich bei der Pendelbewegung vorwiegend unten -also in Kontakt mit der Wäsche- befindet. In der Zeichnung Fig. 2 a + 2 b ist ein Waschrippenpaar vorgesehen. Von diesen Waschrippen 4 wird die Wäsche angehoben und dadurch so bewegt, daß eine mechanische Waschwirkung erzielt wird. Der in diesem Bereich notwendigere größere Raumbedarf wird durch die exzentriche Anordnung der Förderstrecke erreicht. Mit einer kostengünstigeren kleineren Waschtrommel kann man durch die Erfindung den gleichen Wäschedurchsatz erreichen.The capacity of the washing drum 1 is limited by the fact that no laundry may fall through the center hole 2 of the screw conveyor during the washing process or touch a center tube introduced there. On the other hand, the laundry is at a greater distance from the center hole 2 by about the height H (FIG. 16), so that more laundry could be transported here. You can thus the center hole 2 of the shift the screw conveyor by about half the height H further to the washing drum jacket, on the one hand to achieve a greater distance from the washing fins 4, but on the other hand to have enough space for the now possible larger amount of laundry 5 b + 5 d during the transport process. 2 a and 2 b, the conditions in the case of an eccentrically arranged screw conveyor are shown schematically in comparison to FIGS. 1a and 1b. With a swivel angle of less than 360 o of the washing drum during the washing process, a few washing ribs or, in extreme cases, only one washing rib per washing chamber are sufficient in the area which is predominantly at the bottom - in contact with the laundry - during the pendulum movement. In the drawing Fig. 2 a + 2 b, a pair of washing fins is provided. The laundry is lifted from these washing fins 4 and thereby moved so that a mechanical washing effect is achieved. The larger space required in this area is achieved by the eccentric arrangement of the conveyor line. With a cheaper, smaller washing drum, the same laundry throughput can be achieved by the invention.

Zweckmäßig hat die Förderschnecke bezogen auf ihre exzentrisch in der Waschtrommel liegende Konstruktionsachse 9 eine gleichmäßige Steigung. Dies hat den Vorteil, daß die Förderschnecke auf einem Werkzeug hergestellt werden kann, welches auch für Förderschnecken mit zentraler Konstruktionsachse dient, nämlich mit gleichem Neigungswinkel der Förderschnecke. Wie Fig. 3 zeigt ergibt sich zusätzlich der Voteil, daß die axiale Bewegung der Wäsche je Einheit des Schwenkwinkels während des Waschvorganges geringer ist als während des Transport­vorganges. Die untere Begrenzungskante 6 der Förderschnecke 7 hat einen gleichmäßigen Verlauf, während die an den Waschtrommel-Mantel anstoßende äußere Kante 8 im Raum einen periodisch veränderte Verlauf hat, nämlich im Waschbereich (großer Abstand von der Waschtrommel 1 zur Konstruktionsachse 9 der Förderschnecke) eine geringe Verschiebung je Kantenlängeneinheit der Kante 8 gegenüber der Längsachse, und im gegenüberliegenden Transportbereich eine größere Verschiebung.The screw conveyor expediently has a uniform pitch with respect to its construction axis 9 which is eccentrically located in the washing drum. This has the advantage that the screw conveyor can be manufactured on a tool which also serves for screw conveyors with a central construction axis, namely with the same angle of inclination of the screw conveyor. As shown in FIG. 3, there is also the advantage that the axial movement of the laundry per unit of the pivoting angle during the washing process is less than during the transport process. The lower boundary edge 6 of the screw conveyor 7 has a uniform course, while the outer edge 8 abutting the washing drum casing in space has a periodically changed course, namely in the washing area (large distance from the washing drum 1 to the construction axis 9 of the screw conveyor) there is a slight shift per edge length unit of the edge 8 with respect to the longitudinal axis, and a larger shift in the opposite transport area.

Claims (3)

1. Durchlaufwaschmaschine für Postenwäsche, bestehend aus einer mit Waschrippen versehenen rohrförmigen Waschtrommel, welche als Förderschnecke eine gewundene Wand enthält,
dadurch gekennzeichnet,
daß die Förderschnecke (7) bezüglich ihrer Konstruktionsachse (9) exzentrisch zur Drehachse der Waschtrommel (1) angeordnet ist und sich nur in dem von der Konstruktionsachse (9) der Förderschnecke (7) am weitesten entfernten Bereich der Waschtrommel-Innenfläche mindestens eine Waschrippe (4) befindet.1. continuous washing machine for lot washing, consisting of a tubular washing drum provided with washing ribs, which contains a winding wall as a screw conveyor,
characterized,
that the screw conveyor (7) is arranged eccentrically to the axis of rotation of the washing drum (1) with respect to its construction axis (9) and only at least one washing rib () is located in the area of the washing drum inner surface furthest from the construction axis (9) of the screw conveyor (7) 4) is located. 2. Durchlaufwaschmaschine nach Anspruch 1,
dadurch gekennzeichnet,
daß in der von einer Windung der Förderschnecke (7) gebildeten Waschkammer je eine Waschrippe (4′; 4˝) eines Waschrippenpaares symmetrisch zu dem durch die Konstruktionsachse (9) der Förderschnecke im Bereich des größten Abstandsunterschiedes zur Waschtrommel gedachten Durchmessers angeordnet ist.2. continuous washing machine according to claim 1,
characterized,
that in the washing chamber formed by one turn of the screw conveyor (7), one washing rib (4 '; 4˝) of a washing rib pair is arranged symmetrically to the diameter conceived by the construction axis (9) of the screw conveyor in the region of the greatest difference in distance from the washing drum. 3. Durchlaufwaschmaschine nach Anspruch 1 und/ oder 2
dadurch gekennzeichnet,
daß die Förderschnecke (7), bezogen auf ihre exzentrisch in der Waschtrommel liegende Konstruktionsachse (9) eine gleichmäßige Steigung hat.3. continuous washing machine according to claim 1 and / or 2
characterized,
that the screw conveyor (7) has a uniform pitch with respect to its construction axis (9) located eccentrically in the washing drum.
EP89117535A 1988-10-15 1989-09-22 Continuous tunnel washing machine Expired - Lifetime EP0364763B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3835278 1988-10-15
DE3835278A DE3835278A1 (en) 1988-10-15 1988-10-15 CONTINUOUS WASHING MACHINE

Publications (2)

Publication Number Publication Date
EP0364763A1 true EP0364763A1 (en) 1990-04-25
EP0364763B1 EP0364763B1 (en) 1992-08-26

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EP89117535A Expired - Lifetime EP0364763B1 (en) 1988-10-15 1989-09-22 Continuous tunnel washing machine

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US (1) US4951458A (en)
EP (1) EP0364763B1 (en)
JP (1) JPH0698236B2 (en)
DE (2) DE3835278A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007124918A1 (en) * 2006-04-26 2007-11-08 Jensen Gmbh Tunnel washer, and washing method

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5203359A (en) * 1991-11-04 1993-04-20 Ellis Corporation Unitary system for recycling used contaminated material for re-use
US5318705A (en) * 1992-09-11 1994-06-07 Pellerin Milnor Corporation Apparatus for use in extracting liquid from cloth or other water-absorbing goods
US5564595A (en) * 1995-02-15 1996-10-15 Minissian; Kevin G. Chemical dispensing system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1894718U (en) * 1961-11-18 1964-06-18 Waeschereimaschinenfabrik Ludw AUTOMATIC DRUM WASHING MACHINE WITH AXIAL CONVEYOR OF LAUNDRY FROM CHAMBER TO CHAMBER FOR WASHING TEXTILES.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7228238U (en) * 1972-07-29 1973-10-04 Senkingwerk Gmbh Kg Conveyor washing machine
US3969913A (en) * 1973-10-22 1976-07-20 Karl Schaper Contra-flow washing machine
JPS5223486A (en) * 1975-08-15 1977-02-22 Trans World Services Packaging method of triangle shaped goods
DE2927873A1 (en) * 1979-07-11 1981-02-05 Senkingwerk Gmbh Kg POST WASHING MACHINE
US4829792A (en) * 1987-07-27 1989-05-16 Brent Keith M Double drum batch washing machine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1894718U (en) * 1961-11-18 1964-06-18 Waeschereimaschinenfabrik Ludw AUTOMATIC DRUM WASHING MACHINE WITH AXIAL CONVEYOR OF LAUNDRY FROM CHAMBER TO CHAMBER FOR WASHING TEXTILES.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007124918A1 (en) * 2006-04-26 2007-11-08 Jensen Gmbh Tunnel washer, and washing method
US8250691B2 (en) 2006-04-26 2012-08-28 Jensen Gmbh Tunnel washer, and washing method

Also Published As

Publication number Publication date
JPH0698236B2 (en) 1994-12-07
US4951458A (en) 1990-08-28
DE3835278A1 (en) 1990-04-19
DE58902142D1 (en) 1992-10-01
EP0364763B1 (en) 1992-08-26
JPH02218391A (en) 1990-08-31

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