EP3409382A1 - Tension wave strainer - Google Patents

Tension wave strainer Download PDF

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Publication number
EP3409382A1
EP3409382A1 EP18000329.5A EP18000329A EP3409382A1 EP 3409382 A1 EP3409382 A1 EP 3409382A1 EP 18000329 A EP18000329 A EP 18000329A EP 3409382 A1 EP3409382 A1 EP 3409382A1
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Prior art keywords
movement system
movement
cross members
cross member
spannwellensiebmaschine
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EP18000329.5A
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German (de)
French (fr)
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EP3409382B1 (en
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Andree Stockhowe
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HEIN LEHMANN GmbH
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Hein Lehmann GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/48—Stretching devices for screens
    • B07B1/485—Devices for alternately stretching and sagging screening surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens

Definitions

  • the invention relates to a Spannwellensiebmaschine with flexible screen mats between a series of mutually parallel cross member, each second cross member is rigidly connected to a first movement system, which is moved by an unbalance or eccentric, and the cross member, which lie between the cross members of the first movement system, connected to each other as a second movement system with the first movement system via elastic elements (4), so that the first movement system, the second movement system to vibrate, wherein the between the cross members (2, 3) fixed screen coverings are alternately stretched and compressed.
  • Positively excited Spannwellensiebmaschinen are among others from the EP 679 448 B1 known and consist of two nested systems that are offset in opposite directions, in particular vibrations. In both systems, transversely to the sieve direction screwed cross member for receiving the screen mats.
  • the cross members are in this case alternately connected to a first and a second movement system. The movement of the systems to each other is forcibly generated, so that sets a constant distance change between the cross members. As a result, the built-sieve mats are alternately relaxed according to the machine frequency, stretched and possibly stretched.
  • Spannwellensiebmaschinen which generate two oscillations with a drive and by resonance.
  • Each cross member of these screening machines is rigidly connected to the screen box (system 1) and thus performs the fundamental (circular or elliptical or linear vibration).
  • system 2 Between these cross beams are free-swinging carriers (system 2), these are connected to the screen box via spring elements in connection.
  • the free-running beams, together with the optional transmission profiles, form a separate vibration system. This results in a relative movement between the two carrier systems or oscillating masses. This relative movement causes an alternating stretching and relaxing of Siebbeläge between the cross members.
  • Resonant Spannwellensiebmaschine are unable due to the lack of positive drive, the screening mats significantly and / or defined to stretch. Resonance drives produce lower accelerations, thus have lower efficiency and are more prone to clogging.
  • the object of the invention is to improve a Spannwellensiebmaschine with resonance moved over the second cross beams so that with a simple construction high screening performance and a low risk of clogging exists.
  • This object is achieved in that the second movement system is forcibly moved by the first movement system in addition to the excited via spring elements oscillation with an eccentric movement via one or more flexible or rigid couplings.
  • a screening machine can be converted from a resonant oscillation machine to a compulsorily driven screening machine, or a forcibly excited screening machine to a resonance screening machine.
  • an eccentric drive and a coupling drive are additionally fastened.
  • Advantage is then that regardless of load and material moisture always the same relative movement of the systems is exercised to each other.
  • the eccentricity and phase angle to the already existing circular oscillation can be made adjustable. This results in a higher acceleration, independent of the operating situation (Aufgabe appointment) and in addition the possibility for a significant and / or defined elongation of the screen mats.
  • the coupling drive and eccentric be dismantled to allow, for example, higher speeds of the drive. This may be advantageous in protective deck applications or other procedural adjustments.
  • the second movement system is connected to the imbalance or eccentric drive of the first movement system via at least one flexible or rigid coupling. It is also advantageous if the movement of the second movement system generated by the coupling with the movement of the first movement system takes place in phase or with phase offset.
  • the Spannwellensiebmaschine has a screen box with two vertical, mutually parallel side walls 1, which are stored / supported against the ground on spring elements 10. Between the side walls at right angles first cross member 2 are arranged, whose two ends are rigidly fixed to the two side walls. This unit of two side walls 1 and mutually parallel cross members 2 is offset by an imbalance drive via a first coupling 5 in oscillating motion and thus forms a first movement system.
  • the second cross member 3 are also forcibly driven by the same or another eccentric or imbalance drive 6 via a coupling 7 to vibrations.
  • the located on a screen box side ends of the second cross member are optionally connected to a transmission profile 8, which is connected to the coupling.
  • the connection of the ends of the second cross member 3 with the profile 8 is rigid.
  • spring elements 9, in particular thrust rubbers are arranged between the ends of the second cross member and the side wall 1 ( Fig. 4a ) or between the side wall 1 and the transmission profile 8 (FIG. 4b ) between the side wall 1 and the transmission profile 8 (FIG. 4b ) between the side wall 1 and the transmission profile 8 (FIG. 4b ) are arranged spring elements 9, in particular thrust rubbers. If no coupling of the cross member 3 by the transmission profile 8, each cross member must be provided separately with a coupling 7, (see Fig. 3a )
  • both movement systems are driven via the coupling, 7 of the same eccentric or imbalance drive 6. Instead, however, each movement system can be driven by a separate eccentric or imbalance drive.
  • additional forced couplings may be provided in one or more of these additional screening decks.

Abstract

Eine Spannwellensiebmaschine mit flexiblen Siebmatten zwischen einer Reihe zueinander paralleler Querträger (2,3), wobei jeder zweite Querträger (2) mit einem ersten Bewegungssystem (1, 2, 5, 6) starr verbunden ist, das von einem Unwucht- oder Exzenterantrieb (6) bewegt wird, und die Querträger (3), die zwischen den Querträgern (2) des ersten Bewegungssystems liegen, miteinander als zweites Bewegungssystem mit dem ersten Bewegungssystem über elastische Elemente (4) verbunden ist, so dass das erste Bewegungssystem das zweite Bewegungssystem zum Schwingen anregt, wobei die zwischen den Querträgern (2,3) befestigten Siebbeläge abwechselnd gestreckt und gestaucht werden, wobei dass das zweite Bewegungssystem (3, 7, 8) durch das erste Bewegungssystem (1, 2, 5, 6) zusätzlich zu der über Federelemente (4) angeregten Schwingung mit einer exzentrischen Bewegung über eine oder mehrere flexible oder starre Kopplungen (7) zwangsbewegt wird.

Figure imgaf001
A Spannwellensiebmaschine with flexible screening mats between a series of mutually parallel cross member (2,3), each second cross member (2) with a first movement system (1, 2, 5, 6) is rigidly connected, by an unbalance or eccentric drive (6 ), and the cross members (3) lying between the cross members (2) of the first movement system are connected to each other as a second movement system with the first movement system via elastic members (4) so that the first movement system vibrates the second movement system wherein the screen coverings fastened between the transverse beams (2, 3) are alternately stretched and compressed, whereby that the second movement system (3, 7, 8) by the first movement system (1, 2, 5, 6) in addition to that via spring elements (4) is forced to oscillate with an eccentric motion via one or more flexible or rigid couplings (7).
Figure imgaf001

Description

Die Erfindung betrifft eine Spannwellensiebmaschine mit flexiblen Siebmatten zwischen einer Reihe zueinander paralleler Querträger, wobei jeder zweite Querträger mit einem ersten Bewegungssystem starr verbunden ist, das von einem Unwucht- oder Exzenterantrieb bewegt wird, und die Querträger, die zwischen den Querträgern des ersten Bewegungssystems liegen, miteinander als zweites Bewegungssystem mit dem ersten Bewegungssystem über elastische Elemente (4) verbunden ist, so dass das erste Bewegungssystem das zweite Bewegungssystem zum Schwingen anregt, wobei die zwischen den Querträgern (2, 3) befestigten Siebbeläge abwechselnd gestreckt und gestaucht werden.The invention relates to a Spannwellensiebmaschine with flexible screen mats between a series of mutually parallel cross member, each second cross member is rigidly connected to a first movement system, which is moved by an unbalance or eccentric, and the cross member, which lie between the cross members of the first movement system, connected to each other as a second movement system with the first movement system via elastic elements (4), so that the first movement system, the second movement system to vibrate, wherein the between the cross members (2, 3) fixed screen coverings are alternately stretched and compressed.

Zwangserregte Spannwellensiebmaschinen sind u.a. aus der EP 679 448 B1 bekannt und bestehen aus zwei ineinander gesetzten Systemen, die in gegenläufige Bewegungen insbesondere Schwingungen versetzt werden. In beiden Systemen befinden sich quer zur Siebrichtung eingeschraubte Querträger zur Aufnahme der Siebmatten. Die Querträger sind hierbei wechselweise mit einem ersten und einem zweiten Bewegungssystem verbunden. Die Bewegung der Systeme zueinander wird zwangsweise erzeugt, so dass sich ein ständiger Distanzwechsel zwischen den Querträgern einstellt. Hierdurch werden die eingebauten Siebmatten entsprechend der Maschinenfrequenz wechselweise entspannt, gespannt und ggf. gedehnt.Positively excited Spannwellensiebmaschinen are among others from the EP 679 448 B1 known and consist of two nested systems that are offset in opposite directions, in particular vibrations. In both systems, transversely to the sieve direction screwed cross member for receiving the screen mats. The cross members are in this case alternately connected to a first and a second movement system. The movement of the systems to each other is forcibly generated, so that sets a constant distance change between the cross members. As a result, the built-sieve mats are alternately relaxed according to the machine frequency, stretched and possibly stretched.

Ferner sind Resonanz-Spannwellensiebmaschinen bekannt, die mit einem Antrieb und mittels Resonanz zwei Schwingungsbewegungen erzeugen. Jeder Querträger dieser Siebmaschinen ist mit dem Siebkasten (System 1) starr verbunden und führt somit die Grundschwingung (Kreis- oder elliptische oder Linearschwingung) aus. Zwischen diesen Querträgern liegen freischwingende Träger (System 2), diese stehen mit dem Siebkasten über Federelemente in Verbindung. Die freischwingenden Träger stellen gemeinsam mit den optionalen Übertragungsprofilen ein eigenes Schwingsystem dar. Damit ergibt sich eine Relativbewegung zwischen den beiden Trägersystemen bzw. Schwingmassen. Diese Relativbewegung bewirkt ein abwechselndes Strecken und Entspannen der Siebbeläge zwischen den Querträgern.Furthermore, resonant Spannwellensiebmaschinen are known which generate two oscillations with a drive and by resonance. Each cross member of these screening machines is rigidly connected to the screen box (system 1) and thus performs the fundamental (circular or elliptical or linear vibration). Between these cross beams are free-swinging carriers (system 2), these are connected to the screen box via spring elements in connection. The free-running beams, together with the optional transmission profiles, form a separate vibration system. This results in a relative movement between the two carrier systems or oscillating masses. This relative movement causes an alternating stretching and relaxing of Siebbeläge between the cross members.

Resonanz-Spannwellensiebmaschine sind aufgrund des fehlenden Zwangsantriebs nicht in der Lage, die Siebmatten signifikant und/oder definiert zu dehnen. Resonanzantriebe erzeugen geringere Beschleunigungen, haben hierdurch eine geringere Effizienz und neigen eher zu Verstopfungen.Resonant Spannwellensiebmaschine are unable due to the lack of positive drive, the screening mats significantly and / or defined to stretch. Resonance drives produce lower accelerations, thus have lower efficiency and are more prone to clogging.

Aufgabe der Erfindung ist es, eine Spannwellensiebmaschine mit über Resonanz bewegten zweiten Querträgern so zu verbessern, dass bei einfacher Konstruktion eine hohe Siebleistung und eine geringe Verstopfungsgefahr besteht.The object of the invention is to improve a Spannwellensiebmaschine with resonance moved over the second cross beams so that with a simple construction high screening performance and a low risk of clogging exists.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass das zweite Bewegungssystem durch das erste Bewegungssystem zusätzlich zu der über Federelemente angeregten Schwingung mit einer exzentrischen Bewegung über eine oder mehrere flexible oder starre Kopplungen zwangsbewegt wird.This object is achieved in that the second movement system is forcibly moved by the first movement system in addition to the excited via spring elements oscillation with an eccentric movement via one or more flexible or rigid couplings.

Hierdurch kann eine Siebmaschine von einer Resonanzschwingmaschine zu einer zwangserregten Siebmaschine umgebaut werden oder eine zwangserregte Siebmaschine zu einer Resonanzsiebmaschine.As a result, a screening machine can be converted from a resonant oscillation machine to a compulsorily driven screening machine, or a forcibly excited screening machine to a resonance screening machine.

Um eine Resonanz-Spannwellensiebmaschine zu einer zwangserregten Spannwellensiebmaschine umzubauen, werden ein Exzenterantrieb und ein Koppeltrieb zusätzlich befestigt. Vorteil ist dann, dass unabhängig von Beladung und Materialfeuchtigkeit immer die gleiche Relativbewegung der Systeme zueinander ausgeübt wird. Die Exzentrizität und Phasenlage zu der bereits vorhandenen Kreisschwingung kann verstellbar ausgeführt sein. Es ergibt sich eine höhere Beschleunigung, unabhängig von der Betriebssituation (Aufgabeleistung) und zusätzlich die Möglichkeit für eine signifikante und/oder definierte Dehnung der Siebmatten.In order to convert a resonance tensioning wave machine to a force-driven tension wave screening machine, an eccentric drive and a coupling drive are additionally fastened. Advantage is then that regardless of load and material moisture always the same relative movement of the systems is exercised to each other. The eccentricity and phase angle to the already existing circular oscillation can be made adjustable. This results in a higher acceleration, independent of the operating situation (Aufgabeleistung) and in addition the possibility for a significant and / or defined elongation of the screen mats.

Beim Umbau einer zwangserregten Spannwellensiebmaschine zu einer Resonanz-Spannwellensiebmaschine werden der Koppeltrieb und Exzenterantrieb demontiert, um zum Beispiel höhere Drehzahlen des Antriebs zu ermöglichen. Dies kann bei Schutzdeckanwendungen oder anderen verfahrenstechnischen Anpassungen vorteilhaft sein.When converting a force-excited Spannwellensiebmaschine to a resonance Spannwellensiebmaschine the coupling drive and eccentric be dismantled to allow, for example, higher speeds of the drive. This may be advantageous in protective deck applications or other procedural adjustments.

Diese auf die Einsatzbedingungen adaptierbare Maschinenkonstruktion ist für Ein- und Mehrdecksiebmaschinen verwendbar, so dass wahlweise bei Mehrdecksiebmaschinen nur ein oder mehrere Siebdecks entweder von Resonanz- auf Zwangsantrieb oder von Zwangsantrieb auf Resonanzantreib umbaubar ausgeführt werden können.This adaptable to the operating conditions machine design is suitable for single and Mehrdecksiebmaschinen, so that either Mehrdecksiebmaschinen only one or more decks can be made convertible either from resonance to forced drive or from positive drive on Resonanzantreib.

Vorzugsweise wird vorgeschlagen, dass das zweite Bewegungssystem mit dem Unwucht- oder Exzenterantrieb des ersten Bewegungssystems über mindestens eine flexible oder starre Kopplung verbunden ist. Auch ist von Vorteil, wenn die durch die Kopplung erzeugte Bewegung des zweiten Bewegungssystems mit der Bewegung des ersten Bewegungssystems phasengleich oder mit Phasenversatz erfolgt.Preferably, it is proposed that the second movement system is connected to the imbalance or eccentric drive of the first movement system via at least one flexible or rigid coupling. It is also advantageous if the movement of the second movement system generated by the coupling with the movement of the first movement system takes place in phase or with phase offset.

Bei Maschinen mit mehr als einem Siebdeck wird vorgeschlagen, dass nur ein oder mehrere der Bewegungssysteme 2 durch Kopplung zwangsbewegt werden.For machines with more than one screen deck, it is proposed that only one or more of the motion systems 2 be forcibly moved by coupling.

Wird ein Schutzdeck oberhalb befestigt, so wird vorgeschlagen, dass alle Querträger des Schutzdecks starr mit dem ersten Bewegungssystem verbunden sind.If a protective deck fastened above, it is proposed that all cross members of the protective deck are rigidly connected to the first movement system.

Ein Ausführungsbeispiel der Erfindung wird im Folgenden näher beschrieben. In den Zeichnungen zeigt

Fig. 1
eine schematische Darstellung der Bewegungssysteme einer Resonanz-Spannwellensiebmaschine nach dem Stand der Technik,
Fig. 2
eine schematische Darstellung der Bewegungssysteme einer Resonanz-Spannwellensiebmaschine nach der Erfindung,
Fig. 3a
eine Ansicht von oben auf das Siebdeck einer Resonanz-Spannwellensiebmaschine nach dem Stand der Technik ohne optionalem Übertragungsprofil für System 2,
Fig. 3b
eine Ansicht von oben auf das Siebdeck einer Resonanz-Spannwellensiebmaschine nach dem Stand der Technik mit optionalem Übertragungsprofil für System 2,
Fig. 4a
eine Ansicht von oben auf das Siebdeck einer Resonanz-Spannwellensiebmaschine nach der Erfindung ohne optionalem Übertragungsprofil für System 2,
Fig. 4b
eine Ansicht von oben auf das Siebdeck einer Resonanz-Spannwellensiebmaschine nach der Erfindung mit optionalem Übertragungsprofil für System 2.
An embodiment of the invention will be described in more detail below. In the drawings shows
Fig. 1
a schematic representation of the motion systems of a resonance Spannwellensiebmaschine according to the prior art,
Fig. 2
a schematic representation of the motion systems of a Resonanz-Spannwellensiebmaschine according to the invention,
Fig. 3a
a top view of the screen deck of a resonant Spannwellensiebmaschine of the prior art without optional transmission profile for system 2,
Fig. 3b
a top view of the screen deck of a resonant Spannwellensiebmaschine of the prior art with optional transmission profile for system 2,
Fig. 4a
a top view of the screen deck of a resonant Spannwellensiebmaschine invention without optional transmission profile for system 2,
Fig. 4b
a top view of the screen deck of a resonant Spannwellensiebmaschine invention with optional transmission profile for System 2.

Die Spannwellensiebmaschine weist einen Siebkasten auf mit zwei senkrechten, zueinander parallel verlaufenden Seitenwänden 1, die gegenüber dem Boden auf Federelementen 10 gelagert/gestützt sind. Zwischen den Seitenwänden sind dazu rechtwinklig erste Querträger 2 angeordnet, deren zwei Enden an den beiden Seitenwänden starr befestigt sind. Diese Einheit aus zwei Seitenwänden 1 und zueinander parallelen Querträgern 2 wird durch einen Unwuchtantrieb über eine erste Koppel 5 in schwingende Bewegungen versetzt und bildet damit ein erstes Bewegungssystem.The Spannwellensiebmaschine has a screen box with two vertical, mutually parallel side walls 1, which are stored / supported against the ground on spring elements 10. Between the side walls at right angles first cross member 2 are arranged, whose two ends are rigidly fixed to the two side walls. This unit of two side walls 1 and mutually parallel cross members 2 is offset by an imbalance drive via a first coupling 5 in oscillating motion and thus forms a first movement system.

Zwischen den ersten Querträgern 2 liegen parallel zweite Querträger 3, die mit ihren Enden über Federelemente 4 z. B. Schubgummis mit den Seitenwänden 1 verbunden sind, so dass die schwingenden Bewegungen der Seitenwänden 1 zu schwingenden Bewegungen der zweiten Querträger 3 führt. Hierbei sind zwischen den ersten und zweiten Querträgern nicht dargestellte Siebelemente befestigt, die abwechselnd gestreckt und gestaucht werden. Soweit ist hier eine Resonanz-Spannwellenmaschine gegeben.
Die Querträger 3 können auch mit einem Übertragungsprofil 8 zu einem Gesamtsystem 2 gekoppelt werden. Dies ist in den Figuren 3b und 4b dargestellt.Between the first cross members 2 are parallel second cross member 3, which with its ends via spring elements 4 z. B. sliding rubbers are connected to the side walls 1, so that the oscillating movements of the side walls 1 leads to oscillating movements of the second cross member 3. Here, not shown sieve elements are attached between the first and second cross members, which are alternately stretched and compressed. So far, here is a resonance tensioning shaft machine given.
The cross members 3 can also be coupled with a transmission profile 8 to form an overall system 2. This is in the FIGS. 3b and 4b shown.

Die zweiten Querträger 3 sind darüber hinaus von demselben oder einem weiteren Exzenter- oder Unwuchtantrieb 6 über eine Koppel 7 zu Schwingungen zwangsangetrieben. Hierzu sind optional die auf einer Siebkastenseite befindlichen Enden der zweiten Querträger mit einem Übertragungsprofil 8 verbunden, das mit der Koppel verbunden ist. Hierbei ist die Verbindung der Enden der zweiten Querträger 3 mit dem Profil 8 starr. Zwischen den Enden der zweiten Querträger und der Seitenwand 1 (Fig 4a) oder zwischen der Seitenwand 1 und dem Übertragungsprofil 8 (Fig 4b) sind Federelemente 9 insbesondere Schubgummis angeordnet.
Erfolgt keine Kopplung der Querträger 3 durch das Übertragungsprofil 8 muss jeder Querträger separat mit einer Kopplung 7 versehen werden, (siehe Fig. 3a)The second cross member 3 are also forcibly driven by the same or another eccentric or imbalance drive 6 via a coupling 7 to vibrations. For this purpose, the located on a screen box side ends of the second cross member are optionally connected to a transmission profile 8, which is connected to the coupling. Here, the connection of the ends of the second cross member 3 with the profile 8 is rigid. Between the ends of the second cross member and the side wall 1 ( Fig. 4a ) or between the side wall 1 and the transmission profile 8 (FIG. 4b ) are arranged spring elements 9, in particular thrust rubbers.
If no coupling of the cross member 3 by the transmission profile 8, each cross member must be provided separately with a coupling 7, (see Fig. 3a )

Im Ausführungsbeispiel sind beide Bewegungssysteme über die Koppel, 7 von demselben Exzenter- oder Unwuchtantrieb 6 angetrieben. Stattdessen können aber auch jedes Bewegungssystem von einem separaten Exzenter- oder Unwuchtantrieb angetrieben sein.In the exemplary embodiment, both movement systems are driven via the coupling, 7 of the same eccentric or imbalance drive 6. Instead, however, each movement system can be driven by a separate eccentric or imbalance drive.

Der in Fig. 4a und b dargestellte Siebkasten (Siebdeck) ist schematisch dargestellt. Die Anzahl der abwechselnd angeordneten ersten und zweiten Querträger 2, 3 ist von der Art der Siebarbeiten abhängig und das Übertragungsprofil 8 kann auch zu beiden Seiten des Siebdecks parallel zu den Seitenwänden 1 angeordnet sein. Die durch die Kopplung 7 erzeugte Bewegung des zweiten Bewegungssystems 3, 7, 8 mit der Bewegung des ersten Bewegungssystems 1, 2, 5, 6 erfolgt phasengleich oder mit Phasenversatz.The in Fig. 4a and b shown sieve box (screen deck) is shown schematically. The number of alternately arranged first and second cross members 2, 3 is dependent on the type of Siebarbeiten and the transmission profile 8 can also be arranged on both sides of the screen deck parallel to the side walls 1. The movement generated by the coupling 7 of the second movement system 3, 7, 8 with the movement of the first movement system 1, 2, 5, 6 is carried out in phase or with phase offset.

Werden über dem Siebdeck des ersten Bewegungssystems zwei oder mehr Siebdecks angeordnet, so können bei einem oder mehreren dieser zusätzlichen Siebdecks zusätzliche Zwangskopplungen vorgesehen werden.If two or more screening decks are arranged above the screening deck of the first movement system, additional forced couplings may be provided in one or more of these additional screening decks.

Wird bei der Spannwellensiebmaschine ein Schutzdeck angeordnet, so werden alle Querträger des Schutzdecks nur starr mit dem ersten Bewegungssystem verbunden.If a protective deck is arranged in the tensioning shaft screening machine, then all the cross members of the protective deck are connected only rigidly to the first movement system.

Claims (5)

Spannwellensiebmaschine mit flexiblen Siebmatten zwischen einer Reihe zueinander paralleler Querträger (2, 3), wobei jeder zweite Querträger (2) mit einem ersten Bewegungssystem (1, 2, 5, 6) starr verbunden ist, das von einem Unwucht- oder Exzenterantrieb (6) bewegt wird, und die Querträger (3), die zwischen den Querträgern (2) des ersten Bewegungssystems liegen, miteinander als zweites Bewegungssystem mit dem ersten Bewegungssystem über elastische Elemente (4) verbunden ist, so dass das erste Bewegungssystem das zweite Bewegungssystem zum Schwingen anregt, wobei die zwischen den Querträgern (2, 3) befestigten Siebbeläge abwechselnd gestreckt und gestaucht werden, dadurch gekennzeichnet, dass das zweite Bewegungssystem (3, 8) durch das erste Bewegungssystem (1, 2, 5, 6) zusätzlich zu der über Federelemente (4) angeregten Schwingung mit einer exzentrischen Bewegung über eine oder mehrere flexible oder starre Kopplungen (7) zwangsbewegt wird.Spannwellensiebmaschine with flexible screening mats between a series of mutually parallel cross member (2, 3), each second cross member (2) with a first movement system (1, 2, 5, 6) is rigidly connected, by an unbalance or eccentric drive (6) is moved, and the cross members (3), which are located between the cross members (2) of the first movement system, as a second movement system with the first movement system via elastic elements (4) is connected, so that the first movement system, the second movement system to vibrate , wherein between the transverse beams (2, 3) attached screen panels alternately stretched and compressed, characterized gekennzeichne t, that the second moving system (3, 8) by the first motion system (1, 2, 5, 6) in addition to the spring elements (4) is forced to oscillate with an eccentric motion via one or more flexible or rigid couplings (7). Siebmaschine nach Anspruch 1, dadurch gekennzeichnet, dass das zweite Bewegungssystem (3, 7, 8) mit dem Unwucht- oder Exzenterantrieb (6) des ersten Bewegungssystems (1, 2, 5, 6) über mindestens eine flexible oder starre Kopplung (7) verbunden ist.Screening machine according to claim 1, characterized in that the second movement system (3, 7, 8) with the unbalance or eccentric drive (6) of the first movement system (1, 2, 5, 6) via at least one flexible or rigid coupling (7) connected is. Siebmaschine nach Anspruch 1 oder 2, dadurch gekennzeichnet , dass die durch die Kopplung (7) erzeugte Bewegung des zweiten Bewegungssystems (3, 7, 8) mit der Bewegung des ersten Bewegungssystems (1, 2, 5, 6) phasengleich oder mit Phasenversatz erfolgt.Screening machine according to claim 1 or 2, characterized in that the coupling (7) generated movement of the second movement system (3, 7, 8) with the movement of the first movement system (1, 2, 5, 6) takes place in phase or with phase offset , Siebmaschine nach einem der vorherigen Ansprüche, dadurch gekennzeichnet , dass bei einer Anordnung von mehr als einem Siebdeck, nur ein oder mehrere der Bewegungssysteme (2) durch Kopplung zwangsbewegt werden.Screening machine according to one of the preceding claims, characterized in that in an arrangement of more than one screen deck, only one or more of the movement systems (2) are forcibly moved by coupling. Siebmaschine nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass bei Anordnung eines Schutzdecks alle Querträger des Schutzdecks starr mit dem ersten Bewegungssystem (1, 2, 5, 6) verbunden sind.Screening machine according to one of the preceding claims, characterized in that in the arrangement of a protective deck, all cross members of the protective deck are rigidly connected to the first movement system (1, 2, 5, 6).
EP18000329.5A 2017-05-11 2018-04-06 Tension wave strainer Active EP3409382B1 (en)

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DE102017004508.9A DE102017004508A1 (en) 2017-05-11 2017-05-11 Spannwellensiebmaschine

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CN112638550A (en) * 2019-05-06 2021-04-09 海因莱曼有限公司 Tension-relaxation type screening machine

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CN110038893B (en) * 2019-05-31 2021-11-30 广州市番禺环境科学研究所有限公司 Circulating type photocatalytic soil remediation system and remediation method thereof
CN111036547B (en) * 2020-01-05 2022-03-04 罗方武 Material screening device
CN112547504A (en) * 2020-11-10 2021-03-26 厦门幻栢机械有限公司 Screening and screen anti-blocking device for agricultural products

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DE9117201U1 (en) * 1991-01-22 1997-03-20 Hein Lehmann Trenn Foerder Screen area for a screening machine
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DE4030665C1 (en) * 1990-09-28 1991-10-24 Carl Schenck Ag, 6100 Darmstadt, De Regulating RPM of drive motor(s) of load-excited screening machine - supplying actual oscillating value to regulator and measuring resultant power output of motor(s)
DE9117201U1 (en) * 1991-01-22 1997-03-20 Hein Lehmann Trenn Foerder Screen area for a screening machine
EP1480763A1 (en) * 2001-11-29 2004-12-01 Binder + Co. Aktiegesellschaft Sifting device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112638550A (en) * 2019-05-06 2021-04-09 海因莱曼有限公司 Tension-relaxation type screening machine
CN112638550B (en) * 2019-05-06 2023-09-05 海因莱曼有限公司 Relaxation type screening machine

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