EP1228814B1 - Screening machine - Google Patents
Screening machine Download PDFInfo
- Publication number
- EP1228814B1 EP1228814B1 EP02100095A EP02100095A EP1228814B1 EP 1228814 B1 EP1228814 B1 EP 1228814B1 EP 02100095 A EP02100095 A EP 02100095A EP 02100095 A EP02100095 A EP 02100095A EP 1228814 B1 EP1228814 B1 EP 1228814B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- screening
- cheeks
- mats
- frame
- beams
- 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.)
- Expired - Lifetime
Links
- 238000012216 screening Methods 0.000 title claims description 83
- 239000000428 dust Substances 0.000 description 6
- 238000005538 encapsulation Methods 0.000 description 5
- 206010041953 Staring Diseases 0.000 description 2
- 230000003534 oscillatory effect Effects 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- 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
Definitions
- the present invention relates to a sifting machine with swinging screen cheeks according to the preamble of claim 1.
- the invention further relates to a screen frame, which is fastened to the driven wire cheeks of a screening machine and which has the same structure as the screening machine without driven screen frame cheeks to own.
- the structure of such screening machines with movable screening mats is characterized in that between the wire cheeks, which are driven swinging usually, cross members are arranged, to which the screen mats are attached directly.
- cross members In order to alternately tension and relax the screening mats, it is necessary to move the cross members relative to each other, more specifically to keep each second cross member movable with respect to each first cross member. For this reason, it is necessary that the cross members are attached to different vibrating systems. In practice, this is achieved by attaching one group of cross members to the screen cheeks of the screening machine, while passing the other group through these screen cheeks, and then connecting them to the other oscillating system outside the sieve box which is delimited by the screen cheeks.
- the existing cross member can be exploited to mount the side members rotatably thereto.
- each projecting mass exerts a torque around the correspondingly assigned joint.
- the vibration of the entire screening machine therefore stimulates the longitudinal members on the cantilevered masses to a pendulum motion about the hinge of the articulated holding means.
- the side members are always transported after deflection back to their top, not deflected position, from where the pendulum action or the rotation can be performed again.
- auxiliary attachment means are provided between the articulated holding means to which on the one hand the screen mats are attached and which auxiliary attachment means are on the other hand rigidly connected to the cross members.
- These auxiliary attachment means are each arranged between the articulated holding means. The movement of the respective screening mats thus always takes place only on that side which is connected to the articulated holding means.
- a sieve box consisting of sieve cheeks 1.1, 2.1 and these connecting cross members 2 and an end plate 1.3 in the application area is set in motion by means of a drive 3 driving the sieve cheeks.
- the drive 3 is designed in the present case as imbalance drive. In principle, however, any drive that is capable of putting the wire cheeks in motion, conceivable.
- the sieve box is placed on solid ground via not shown feathers.
- Holding means 4 are arranged, to each of which a longitudinal member 5 is attached.
- the longitudinal members 5 have cantilevered masses 6.
- Sieve mats 7 are attached to the side rails and form a screen surface which extends from a wire cheek 1.1 to the other wire cheek 1.2.
- the sieve mats 7.1.7.2 closest to the sieve cheeks 1.1.1.2 are fastened to them.
- FIG. 2 shows a sectional view along the line AA of Figure 1 perpendicular to the longitudinal direction of the screening machine.
- the articulated holding means 4 are arranged, via which the longitudinal members 5 are connected to the screening mats 7.
- Respective adjacent longitudinal members 5 each have oppositely projecting masses 6.
- FIG. 3 and 4 show schematic detail views of the articulated holding means. These consist essentially of a joint 4.1 and preferably of a torsion spring 4.2. However, there are in principle also other spring elements used, which are able to hold the longitudinal members 5 in an upright position.
- the entire screen box is set in vibration. Through these vibrations, the cantilevered masses 6 and thereby also the longitudinal members 5 perform a pendulum motion about the joint 4.1.
- the pendulum movement takes place during the upward movement of the sieve box in the direction of the protruding masses 6, in the downward movement in the opposite direction. Due to the fact that in each case adjacent side members 5 each have protruding masses 6 in opposite directions, therefore, the pendulum movements of respectively adjacent side members 5 are in each case in opposite directions.
- the screen mats 7 are thereby relaxed and relaxed by themselves and thereby clean themselves of tackling and clamping grain.
- the respective outermost screening mats 7, 7, 7, 2 are optionally, as shown in FIG. 5, in the same height as the entire screen surface formed by the screening mats 7 on the screen cheeks 1.1,1.2 attached.
- the outermost screen mats may be 7.1.7.2 also attached to a position above the screen surface on the screen cheeks 1.1,1.2, resulting in a trough-shaped cross-section of the screen surface results ( Figure 6).
- FIGS 5 and 7 show further alternative embodiments of a screening machine according to the invention.
- auxiliary fastening means 5.1 are arranged between the articulated holding means 4 rigidly connected to the cross members 2 .
- the screening mats 7 are thus alternately attached to the longitudinal beams 5, which are connected via the articulated holding means 4 with the cross members 2, and attached to the auxiliary fastening means 5.1.
- the respective screening mats 7 are again relaxed and relaxed.
- Fig. 8,9 and 10 show an alternative embodiment of a screening machine according to the invention with staggered screening mats 7.
- seven screen mats with a larger width 7.2 and at the delivery side four screen mats 7.2 with just this width and three screen mats with a smaller width 7.3 Use.
- the task-side screening mats are raised by at least the thickness of the mats and overlap the screening mats on the outlet side to prevent false grain.
- the fastening of the screen mats 7 to the longitudinal beams 5 is carried out, for example, according to a clamping profile 8 shown in Figure 11. This has through its roof-shaped top screenings in the direction of the screen mats 7 from.
- FIG. 12 shows a screen frame 9, which has the same construction as the screening machine 1 in FIG.
- the Siebrahmenwangen 9.1,9.2 cross member 2 are arranged on which articulated holding means 4 are fixed, the longitudinal beams 5 carry. On the latter projecting masses 6 are attached.
- the mode of operation is the same as that of the screening machine 1 described in FIG. 1, with the difference that in the screening machine 1 the screen cheeks 1.1, 1.2 are set in vibration by means of a drive 3.
- the screen frame 9 with Siebrahmenwangen 9.1,9.2, however, is provided for attachment to the wire cheeks 1.1,1.2. In this way, existing screening machines with immovable screens can be easily converted to screens with moving screens, the screening machine thus created can be encapsulated in a simple manner at the same time.
- Fig. 13 shows such a possible encapsulation in cross section.
- the vibrating sieve box with sieve cheeks 1.1 is surrounded by the main encapsulation 10. This can lie close to the wire cheeks 1.1,1.2, since according to the invention, the cross member 2 need not be performed by the wire cheeks 1.1,1.2.
- the conclusion of the encapsulation upwards forms a hood 11 and down the chute 12.
- Hood 11 and chute 12 are respectively on rubber seals 13 with the Hauptkapselung 10, which yes participates in the oscillatory movement of the wire cheeks 1.1,1.2 connected.
Landscapes
- Combined Means For Separation Of Solids (AREA)
Description
Die vorliegende Erfindung bezieht sich auf eine Siebmaschine mit schwingend angetriebenen Siebwangen gemäß dem Oberbegriff des Anspruchs 1. Die Erfindung bezieht sich weiters auf einen Siebrahmen, welcher an den angetriebenen Siebwangen einer Siebmaschine befestigbar ist und welcher den selben Aufbau aufweist wie die Siebmaschine ohne jedoch angetriebene Siebrahmenwangen zu besitzen.The present invention relates to a sifting machine with swinging screen cheeks according to the preamble of claim 1. The invention further relates to a screen frame, which is fastened to the driven wire cheeks of a screening machine and which has the same structure as the screening machine without driven screen frame cheeks to own.
Das Absieben von Gütern ist in der Praxis immer mit großer Staubbelastung verbunden. Eine solche Staubbelastung bewirkt aber nicht nur große Belastungen für die in der unmittelbaren Umgebung arbeitenden Personen, sondern auch für in der Nähe der Siebmaschine aufgestellte Anlagen und Gebäude.The screening of goods is always associated with high levels of dust in practice. However, such a dust load not only causes great stress for the people working in the immediate vicinity, but also for plants and buildings set up in the vicinity of the screening machine.
Eine weiteres Problem beim Absieben von Gütern stellen die sogenannten siebschwierigen Güter dar. Siebmaschinen mit starren Siebmatten sind für diese Aufgabe nur unzulänglich geeignet. Daher werden vielfach Siebmaschinen mit sich bewegenden Siebmatten eingesetzt, die eine effektivere Siebung ermöglichen.Another problem in the screening of goods are the so-called sieving difficult goods. Screens with rigid screening mats are only insufficiently suitable for this task. As a result, screening machines with moving screening mats are often used, which enable more effective screening.
Der Aufbau solcher Siebmaschinen mit beweglichen Siebmatten zeichnet sich dadurch aus, dass zwischen Siebwangen, welche in der Regel schwingend angetrieben sind, Querträger angeordnet sind, an welchen die Siebmatten direkt befestigt werden. Um die Siebmatten abwechselnd zu spannen und entspannen, ist es erforderlich die Querträger relativ zueinander zu bewegen, genauer gesagt jeden zweiten Querträger in Bezug auf jeden ersten Querträger beweglich zu halten. Aus diesem Grund ist es erforderlich, dass die Querträger an unterschiedlichen Schwingsystemen befestigt sind. In der Praxis wird dies dadurch erreicht, dass eine Gruppe von Querträgern an den Siebwangen der Siebmaschine befestigt ist, während die andere Gruppe durch diese Siebwangen hindurchgeführt wird, um dann außerhalb des von den Siebwangen begrenzten Siebkastens mit dem anderen Schwingsystem verbunden zu werden.The structure of such screening machines with movable screening mats is characterized in that between the wire cheeks, which are driven swinging usually, cross members are arranged, to which the screen mats are attached directly. In order to alternately tension and relax the screening mats, it is necessary to move the cross members relative to each other, more specifically to keep each second cross member movable with respect to each first cross member. For this reason, it is necessary that the cross members are attached to different vibrating systems. In practice, this is achieved by attaching one group of cross members to the screen cheeks of the screening machine, while passing the other group through these screen cheeks, and then connecting them to the other oscillating system outside the sieve box which is delimited by the screen cheeks.
Dieser bekannte Aufbau löst zwar das Problem, siebschwierige Güter abzusieben, jedoch weisen diese Ausführungsvarianten neben einigen anderen Nachteilen, welche bereits in der GM 911/2000 (AT 4.430 U) ausführlich beschrieben wurden, den erheblichen Nachteil auf, dass durch die Durchführung einer Gruppe von Querträgern durch die Siebwangen der Siebmaschine der Siebkasten nicht ordentlich gekapselt und auf diese Art und Weise nicht staubdicht gehalten werden kann. Bei Siebmaschinen mit beweglichen Siebmatten nach dem Stand der Technik kann somit das Austreten von Staub aus dem Siebkasten nicht verhindert werden.Although this known structure solves the problem sieve sieving difficult goods, however, these variants have in addition to some other disadvantages, which have already been described in detail in the GM 911/2000 (AT 4.430 U), the considerable disadvantage that by carrying out a group of Cross members through the sieve cheeks of the screening machine, the sieve box not properly enclosed and can not be kept dust-proof in this way. In screening machines with moving screen mats according to the prior art thus the escape of dust from the screen box can not be prevented.
Es ist daher eine Aufgabe der vorliegenden Erfindung, eine Siebmaschine mit beweglichen Siebmatten vorzusehen, deren Siebkasten komplett gekapselt werden kann, um das Austreten von Staub zu verhindern.It is therefore an object of the present invention to provide a screening machine with movable screen mats, the screen box can be completely encapsulated to prevent the escape of dust.
Erfindungsgemäß wird dies durch die kennzeichnenden Merkmale des Anspruchs 1 erreicht.This is achieved by the characterizing features of claim 1 according to the invention.
Dadurch ist es möglich, den Siebkasten bestehend aus den Siebwangen, eventuell an den Siebwangen befestigten Siebrahmen, samt zwischen diesen angeordneten, beweglichen Siebmatten komplett zu kapseln und so das Austreten von Staub zu verhindern. Das Durchführen von Querträgern durch die Siebwangen der Siebmaschine ist nicht erforderlich.This makes it possible to completely encapsulate the screen box consisting of the screen cheeks, possibly mounted on the screen cheeks screen frame, including arranged between these, movable screen mats and thus to prevent the escape of dust. The implementation of cross members through the screen cheeks of the screening machine is not required.
Durch die kennzeichnenden Merkmale des Anspruchs 2 können die vorhanden Querträger ausgenutzt werden, um die Längsträger darauf drehbar zu montieren.By the characterizing features of
Um die Drehung zu ermöglichen bzw. die dabei erzielte Auslenkung zu verstärken, sind die Merkmale des Anspruchs 3 vorgesehen. Jede auskragende Masse übt ein Drehmoment um das entsprechend zugeordnete Gelenk aus. Die Schwingung der gesamten Siebmaschine regt daher die Längsträger über die auskragenden Massen zu einer Pendelbewegung um das Gelenk der gelenkigen Haltemittel an.In order to allow the rotation or amplify the achieved deflection, the features of
Durch die kennzeichnenden Merkmale des Anspruchs 4 erfolgt die Pendelbewegung der Längsträger welche an derselben Siebmatte befestigt sind in jeweils entgegengesetzte Richtungen. Dadurch wird es ermöglicht diese zu spannen und entspannen.Due to the characterizing features of
Durch die kennzeichnenden Merkmale des Anspruchs 5 werden die Längsträger stets nach Auslenkung wieder in ihre oberste, nicht ausgelenkte Position befördert, von wo aus der Pendelvorgang bzw. die Drehung von Neuem durchgeführt werden kann.Due to the characterizing features of
Die Merkmale des Anspruchs 6 beschreiben eine alternative Ausführungsform, bei welcher zwischen den gelenkigen Haltemitteln Hilfsbefestigungsmittel vorgesehen sind, an denen einerseits die Siebmatten befestigt sind und welche Hilfsbefestigungsmittel andererseits starr mit den Querträgern verbunden sind. Diese Hilfsbefestigungsmittel sind jeweils zwischen den gelenkigen Haltemitteln angeordnet. Die Bewegung der jeweiligen Siebmatten erfolgt somit stets lediglich an jener Seite, welche mit den gelenkigen Haltemitteln verbunden ist.The features of
Den Abschluss der Siebfläche bildet gemäß Anspruch 7 die siebwangennächste Siebmatte bzw. die siebrahmenwangennächste Siebmatte, wobei gemäß Anspruch 8 die Befestigung dieser äußeren Siebmatte vorzugsweise oberhalb der Ebene der Siebmatten erfolgt, sodass die gesamte aus den Siebmatten gebildete Siebfläche einen im wesentlichen trogförmigen Querschnitt aufweist.The completion of the screen surface forms according to
Im Anschluß erfolgt nun eine detaillierte Beschreibung einer erfindungsgemäßen Siebmaschine anhand eines Ausführungsbeispiels. Dabei zeigt
- Fig.1
- eine Schrägansicht einer erfindungsgemäßen Siebmaschine
- Fig.2
- einen Schnitt entlang der Linie AA aus Fig.1 senkrecht zur Längsrichtung der Siebmaschine
- Fig.3
- eine Detailansicht eines gelenkigen Haltemittels
- Fig.4
- eine Detailansicht eines gelenkigen Haltemittels mit Torsionsfeder
- Fig.5
- ein Schnittansicht entlang der Linie AA aus Fig.1 mit starren Hilfsbefestigungsmitteln
- Fig.6
- ein Schnittansicht entlang der Linie AA aus Fig.1 mit trogförmiger Siebfläche
- Fig.7
- ein Schnittansicht entlang der Linie AA aus Fig.1 mit trogförmiger Siebfläche und starren Hilfsbefestigungsmitteln
- Fig.8
- eine Draufsicht auf die Siebmatten in versetzter Anordnung
- Fig.9
- eine Schnittansicht entlang der Linie BB aus Fig. 8
- Fig.10
- eine Schnittansicht entlang der Linie CC aus Fig. 8
- Fig.11
- eine Detailansicht eines Klemmprofils
- Fig.12
- einen Siebrahmen
- Fig.13
- ein Schnittansicht entlang Linie AA aus Fig.1 mit schematischer Kapselung
- Fig.1
- an oblique view of a screening machine according to the invention
- Fig.2
- a section along the line AA of Figure 1 perpendicular to the longitudinal direction of the screening machine
- Figure 3
- a detailed view of an articulated holding means
- Figure 4
- a detailed view of an articulated holding means with torsion spring
- Figure 5
- a sectional view taken along the line AA of Figure 1 with rigid auxiliary fasteners
- Figure 6
- a sectional view taken along the line AA of Figure 1 with trough-shaped screen surface
- Figure 7
- a sectional view taken along the line AA of Figure 1 with trough-shaped screen surface and rigid auxiliary attachment means
- Figure 8
- a plan view of the screening mats in a staggered arrangement
- Figure 9
- a sectional view taken along the line BB of Fig. 8
- Figure 10
- a sectional view taken along the line CC of FIG. 8
- Figure 11
- a detailed view of a clamping profile
- Figure 12
- a screen frame
- Figure 13
- a sectional view taken along line AA of Figure 1 with a schematic encapsulation
Fig.1 zeigt eine Schrägansicht einer bevorzugten Ausführungsform einer erfindungsgemäßen Siebmaschine. Ein Siebkasten bestehend aus Siebwangen 1.1,1.2 und diese verbindende Querträger 2 sowie einem Endblech 1.3 im Aufgabebereich wird über einen die Siebwangen antreibenden Antrieb 3 in Schwingungen versetzt. Der Antrieb 3 ist im vorliegenden Fall als Unwuchtantrieb ausgeführt. Prinzipiell ist jedoch jeder Antrieb, der dazu geeignet ist, die Siebwangen in Schwingungen zu versetzen, vorstellbar. Der Siebkasten ist über nicht gezeichnete Federn auf festem Untergrund aufgestellt. An den Querträgern 2 sind gelenkige Haltemittel 4 angeordnet, an welchen jeweils ein Längsträger 5 befestigt ist. Die Längsträger 5 weisen auskragende Massen 6 auf. Siebmatten 7 sind an den Längsträgern befestigt und bilden eine Siebfläche, welche sich von einer Siebwange 1.1 bis zur anderen Siebwange 1.2 erstreckt. Die den Siebwangen 1.1,1.2 am nächsten liegenden Siebmatten 7.1,7.2 sind an diesen befestigt.1 shows an oblique view of a preferred embodiment of a screening machine according to the invention. A sieve box consisting of sieve cheeks 1.1, 2.1 and these connecting
Fig.2 zeigt eine Schnittansicht entlang der Linie AA aus Fig.1 senkrecht zur Längsrichtung der Siebmaschine. An den Querträgern 2 sind wiederum die gelenkigen Haltemittel 4 angeordnet, über welche die Längsträger 5 mit den Siebmatten 7 verbunden sind. Jeweils benachbarte Längsträger 5 weisen jeweils entgegengesetzt auskragende Massen 6 auf.2 shows a sectional view along the line AA of Figure 1 perpendicular to the longitudinal direction of the screening machine. On the cross beams 2, in turn, the articulated holding means 4 are arranged, via which the
Fig.3 und 4 zeigen schematische Detailansichten der gelenkigen Haltemittel. Diese bestehen im wesentlichen aus einem Gelenk 4.1 und vorzugsweise aus einer Torsionsfeder 4.2. Es sind jedoch prinzipiell auch andere Federelemente einsetzbar, welche die Längsträger 5 in aufrechter Position zu halten vermögen.3 and 4 show schematic detail views of the articulated holding means. These consist essentially of a joint 4.1 and preferably of a torsion spring 4.2. However, there are in principle also other spring elements used, which are able to hold the
Durch die Schwingbewegung der Siebwangen 1.1,1.2 aufgrund des Antriebs 3 wird der gesamte Siebkasten in Schwingungen versetzt. Durch diese Schwingungen führen die auskragenden Massen 6 und dadurch auch die Längsträger 5 eine Pendelbewegung um das Gelenk 4.1 aus. Die Pendelbewegung erfolgt bei der Aufwärtsbewegung des Siebkastens in Richtung der auskragenden Massen 6, bei der Abwärtsbewegung in entgegengesetzter Richtung. Durch die Tatsache, dass jeweils benachbarte Längsträger 5 jeweils in entgegengesetzte Richtungen auskragende Massen 6 aufweisen, erfolgen daher die Pendelbewegungen jeweils benachbarter Längsträger 5 jeweils in entgegengesetzte Richtungen. Die Siebmatten 7 werden dabei jeweils ge- und entspannt und reinigen sich dadurch selbständig von Anpackungen und Klemmkorn.Due to the oscillatory movement of the wire cheeks 1.1,1.2 due to the
Die jeweils äußersten Siebmatten 7.1,7.2 sind wahlweise, wie in Fig.5 ersichtlich, in der gleichen Höhe wie die gesamte von den Siebmatten 7 gebildete Siebfläche an den Siebwangen 1.1,1.2 befestigt. Alternativ dazu können die äußersten Siebmatten 7.1,7.2 auch an einer Position oberhalb der Siebfläche an den Siebwangen 1.1,1.2 befestigt sein, wodurch sich eine trogförmiger Querschnitt der Siebfläche ergibt (Fig.6).The respective
Fig.5 und 7 zeigen des weiteren alternative Ausführungsvarianten einer erfindungsgemäßen Siebmaschine. Dabei sind zwischen den gelenkigen Haltemitteln 4 starr mit den Querträgern 2 verbundene Hilfsbefestigungsmittel 5.1 angeordnet. Die Siebmatten 7 sind somit abwechselnd an den Längsträgern 5, welche über die gelenkigen Haltemittel 4 mit den Querträgern 2 verbunden sind, befestigt und an den Hilfsbefestigungsmitteln 5.1. Durch die Pendelbewegung der Längsträger 5 werden die jeweiligen Siebmatten 7 wiederum ge- und entspannt.Figures 5 and 7 show further alternative embodiments of a screening machine according to the invention. In this case, between the articulated holding means 4 rigidly connected to the
Fig.8,9 und 10 zeigen eine alternative Ausführungsform einer erfindungsgemäßen Siebmaschine mit versetzt angeordneten Siebmatten 7. Dabei finden beispielsweise an der Aufgabenseite sieben Siebmatten mit größerer Breite 7.2 und an der Abgabeseite vier Siebmatten 7.2 mit eben dieser Breite sowie drei Siebmatten mit geringerer Breite 7.3 Verwendung. Dadurch wird verhindert, dass sich über die gesamte Länge der aus den einzelnen Siebmatten gebildeten Siebfläche durchgehende Zonen ohne Sieböffnung (Blindzonen) bilden. An den Stoßstellen der Siebmatten werden die aufgabeseitigen Siebmatten um mindestens die Mattenstärke angehoben und überlappen die abgabeseitigen Siebmatten zur Verhinderung von Fehlkorn.Fig. 8,9 and 10 show an alternative embodiment of a screening machine according to the invention with
Die Befestigung der Siebmatten 7 an den Längsträgern 5 erfolgt beispielsweise gemäß einem in Fig.11 dargestellten Klemmprofil 8. Dieses weist durch seine dachförmige Oberseite das Siebgut in Richtung der Siebmatten 7 ab.The fastening of the
Fig.12 zeigt einen Siebrahmen 9, der identischen Aufbau aufweist wie die Siebmaschine 1 in Fig.1. Zwischen den Siebrahmenwangen 9.1,9.2 sind Querträger 2 angeordnet an denen gelenkige Haltemittel 4 befestigt sind, die Längsträger 5 tragen. An letzteren sind auskragende Massen 6 befestigt. Die Funktionsweise ist die gleiche wie jene der in Fig.1 beschriebenen Siebmaschine 1 mit dem Unterschied, dass bei der Siebmaschine 1 die Siebwangen 1.1,1.2 mittels eines Antriebs 3 in Schwingungen versetzt wird. Der Siebrahmen 9 mit Siebrahmenwangen 9.1,9.2 hingegen ist zur Befestigung an den Siebwangen 1.1,1.2 vorgesehen. Auf diese Art und Weise können auch bereits bestehende Siebmaschinen mit unbeweglichen Sieben leicht zu Siebmaschinen mit beweglichen Sieben umgerüstet werden, wobei die so entstehende Siebmaschine gleichzeitig auf einfache Art und Weise gekapselt werden kann.FIG. 12 shows a screen frame 9, which has the same construction as the screening machine 1 in FIG. Between the Siebrahmenwangen 9.1,9.2
Fig.13 zeigt eine solche mögliche Kapselung im Querschnitt. Der schwingende Siebkasten mit Siebwangen 1.1 ist dabei von der Hauptkapselung 10 umgeben. Diese kann dicht an den Siebwangen 1.1,1.2 anliegen, da erfindungsgemäß die Querträger 2 nicht durch die Siebwangen 1.1,1.2 durchgeführt werden müssen. Den Abschluss der Kapselung nach oben bildet eine Haube 11 und nach unten die Schurre 12. Haube 11 und Schurre 12 sind jeweils über Gummidichtungen 13 mit der Hauptkapselung 10, die ja die Schwingbewegung der Siebwangen 1.1,1.2 mitmacht, verbunden. Durch diese Kapselung kann der Austritt von Staub aus dem Siebbereich gänzlich verhindert werden.Fig. 13 shows such a possible encapsulation in cross section. The vibrating sieve box with sieve cheeks 1.1 is surrounded by the
Claims (9)
- A screening machine (1) with screening cheeks (1.1, 1.2) driven in an oscillating manner or a screening frame (9) which can be fastened to the screening cheeks (1.1, 1.2) driven in an oscillating manner, with cross-beams (2) and screening mats (7) being arranged between the screening cheeks (1.1, 1.2) or the screening frame cheeks (9.1, 9.2), which screening mats (7) are tensioned and relaxed in an alternating fashion, characterized in that the screening mats (7) are fastened to longitudinal beams (5) arranged in a rectangular manner relative to the cross-beams (2) and the longitudinal beams are each swivelable about an axis parallel to their own longitudinal axis.
- A screening machine (1) or a screening frame (9) according to claim 1, characterized in that the longitudinal beams (5) are fastened to the cross-beams (2) by means of articulated holding means (4), which articulated holding means (4) allow a rotation of the longitudinal beams (5) about an axis parallel to their own longitudinal axis.
- A screening machine (1) or a screening frame (9) according to claim 1, characterized in that projecting masses (6) are arranged on the longitudinal beams (5), which masses exert a torque about the joints (4.1) of the articulated holding means (4).
- A screening machine (1) or a screening frame (9) according to claim 3, characterized in that the two successive longitudinal beams (5) each comprise masses projecting towards each other in opposite directions in order to deflect the two successive longitudinal beams (5) in mutually opposite directions.
- A screening machine (1) or a screening frame (9) according to one of the claims 1 to 4, characterized in that the joints (4.1) are supported by a spring element, preferably a torsion spring (4.2) which brings the longitudinal beams (5), which are connected to the articulated holding means (4), to their upright idle position or holds them there.
- A screening machine (1) or a screening frame (9) according to one of the claims 1 to 5, characterized in that auxiliary fastening means (5.1) are provided between the longitudinal beams (5), which fastening means are rigidly connected to the cross-beams (2) and to which the screening mats (7) are additionally fastened.
- A screening machine (1) or a screening frame (9) according to one of the claims 1 to 6, characterized in that the respective screening mat (7.1, 7.2) which is closest to the screening cheek or screening frame cheek is joined to the closer situated screening cheek (1.1, 1.2) or screening frame cheek (9.1, 9.2) in addition to the respective longitudinal beam (5).
- A screening machine according to one of the claims 1 to 7, characterized in that the fastening of screening mats (7.1, 7.2) to the screening cheeks (1.1, 1.2) or screening frame cheeks (9.1, 9.2) which are closest to the screening cheeks or screening frame cheeks occurs above the plane of the screening mats (7), as a result of which each screening mat (7.1, 7.2) closest to the screening cheek or screening frame cheek has a substantially L-shaped cross section.
- A screening machine, characterized in that several screening frames (9) according to one of the claims 1 to 8 are fastened to its screening cheeks (1.1, 1.2) which are driven in an oscillating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT02100095T ATE337110T1 (en) | 2001-02-05 | 2002-02-01 | SCREENING MACHINE |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0008801U AT4530U1 (en) | 2001-02-05 | 2001-02-05 | SCREENING MACHINE WITH MOVING SCREEN |
| AT882001U | 2001-02-05 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1228814A2 EP1228814A2 (en) | 2002-08-07 |
| EP1228814A3 EP1228814A3 (en) | 2002-08-21 |
| EP1228814B1 true EP1228814B1 (en) | 2006-08-23 |
Family
ID=3481175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02100095A Expired - Lifetime EP1228814B1 (en) | 2001-02-05 | 2002-02-01 | Screening machine |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1228814B1 (en) |
| AT (2) | AT4530U1 (en) |
| DE (1) | DE50207893D1 (en) |
| ES (1) | ES2271187T3 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT410763B (en) * | 2001-11-29 | 2003-07-25 | Binder Co Ag | Sifting device used as sieve comprises box oscillated by a drive as basic oscillation system having horizontal transversal carriers and additional oscillation system fixed on the box and having second horizontal transversal carriers |
| AT5816U3 (en) * | 2002-09-19 | 2003-05-26 | Binder Co Ag | screening device |
| AT511949B1 (en) * | 2012-02-29 | 2013-04-15 | Ife Aufbereitungstechnik Gmbh | Spannwellensieb |
| WO2014053295A1 (en) * | 2012-10-02 | 2014-04-10 | Binder + Co Ag | Device and method for sizing polydisperse feedstock |
| DE102014110055B4 (en) * | 2014-07-17 | 2020-03-19 | Spaleck GmbH & Co. Kommanditgesellschaft | Screening machine with cassette-like screen surface sections |
| CN109201464B (en) * | 2018-10-09 | 2024-02-06 | 中国农业大学 | Corn cleaning screen based on three-plane moving mechanism |
| CN112495770B (en) * | 2020-11-12 | 2023-01-06 | 厦门通耐钨钢有限公司 | Shaking type powder screening device for hard alloy processing |
| CN114377948B (en) * | 2022-01-13 | 2022-09-20 | 中国矿业大学(北京) | Modular reconfigurable transverse vibration large-scale flip-flow screen |
| CN116060288B (en) * | 2022-12-16 | 2024-11-01 | 内蒙古双欣矿业有限公司 | Coal slime reduction device for coal preparation plant |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4064051A (en) * | 1972-06-02 | 1977-12-20 | Hein, Lehmann Akt. | Elastic transporting, sieving or filtering base with swinging drive |
| US3971715A (en) * | 1973-02-27 | 1976-07-27 | Albert Wehner | Device for sieving, sorting, filtering and the like |
| AT384961B (en) * | 1983-04-11 | 1988-02-10 | Binder Co Ag | SCREEN DEVICE |
| DE3512215A1 (en) * | 1985-04-03 | 1986-10-16 | Carl Schenck Ag, 6100 Darmstadt | SCREENING MACHINE WITH A FLEXIBLE SCREENING |
-
2001
- 2001-02-05 AT AT0008801U patent/AT4530U1/en not_active IP Right Cessation
-
2002
- 2002-02-01 AT AT02100095T patent/ATE337110T1/en active
- 2002-02-01 DE DE50207893T patent/DE50207893D1/en not_active Expired - Lifetime
- 2002-02-01 ES ES02100095T patent/ES2271187T3/en not_active Expired - Lifetime
- 2002-02-01 EP EP02100095A patent/EP1228814B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1228814A2 (en) | 2002-08-07 |
| ATE337110T1 (en) | 2006-09-15 |
| ES2271187T3 (en) | 2007-04-16 |
| AT4530U1 (en) | 2001-08-27 |
| DE50207893D1 (en) | 2006-10-05 |
| EP1228814A3 (en) | 2002-08-21 |
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