EP1525925B1 - Device to separate a partial mixture - Google Patents
Device to separate a partial mixture Download PDFInfo
- Publication number
- EP1525925B1 EP1525925B1 EP04450171A EP04450171A EP1525925B1 EP 1525925 B1 EP1525925 B1 EP 1525925B1 EP 04450171 A EP04450171 A EP 04450171A EP 04450171 A EP04450171 A EP 04450171A EP 1525925 B1 EP1525925 B1 EP 1525925B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sieve
- side walls
- sieve plate
- elements
- walls
- 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
Links
- 239000000203 mixture Substances 0.000 title claims description 3
- 239000002245 particle Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 description 10
- 238000000926 separation method Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 2
- 230000037237 body shape Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000035939 shock Effects 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
-
- 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
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- 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
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/10—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices using momentum effects
Definitions
- the invention relates to a device for separating a parts mixture, in which a sieve bottom is displaceable by means of a crank mechanism in a running in a vertical longitudinal plane rotational movement.
- the invention has for its object a device of the type mentioned above to modify so that a reliable separation while avoiding penetration of good to be separated between fixed and moving parts.
- this object is achieved in that the sieve bottom is provided on the longitudinal side in view of known manner with upstanding side walls, and that the sieve bottom is arranged horizontally or approximately horizontally, wherein the crank drive engages the side walls.
- the crank mechanism can be formed by eccentrics mounted in the side walls, whereby the arrangement on the underside is free of facilities obstructing the discharge of the sorted material.
- the sieve plate can be divided into individual gradual adjustable and fixable step-like sieve elements which are attached to the continuous side walls.
- the fixable screen elements with the end walls facing away from the associated end walls pivotally mounted on the side walls and the end walls bearing end edges in circular arc-shaped elongated holes can be performed adjustable.
- the individual stage sections are adjustable in different inclinations over the longitudinal course of the entire device.
- the end walls of the sieve elements can project beyond the sieve bottom elements, which has the advantage that the sieved material underneath the sieve bottom is evenly distributed in the receptacle by the movement.
- Fig. 1 shows diagrammatically a first simple embodiment
- Fig. 2 shows a variant with adjustable sieve plates in side view with removed front side wall.
- the side walls of the device are referred to, on which an existing sieve elements 3 sieve plate is attached.
- eccentric drive means 6 are mounted, which put the screen bottom in rotation in rotation during rotation.
- the sieve bottom is designed step-like, wherein each of the steps has an end wall 5 which closes off the interspace between the individual sieve bottom elements 3.
- the sieve bottom or its elements is fixedly arranged with respect to the side walls, wherein the overall arrangement is mounted substantially horizontally on a support frame, not shown, on which also the drive for the eccentric 6 is provided.
- the end walls 5 project downwardly with respect to the sieve bottom, whereby distribution of the material passing through the sieve below the separating device is achieved.
- the operation of the device is such that the material to be separated 1 is thrown from above onto the sieve elements 3 and receives by the rotational movement of the device a shock having both a vertical and a horizontal force component. While the vertical component of force causes the parts of the material to be separated to be repeatedly thrown up, the horizontal force component causes horizontal movement of the parts of the material to be separated, which either move depending on the body shape and rigidity of the parts of the material to be separated in one or the other direction causes.
- the sieve elements 3 and the attached end walls 5 may have the same perforation or mesh size, or it may be the end wall 5 made tight, which means no change for the function.
- the rotational movement of the tub is between 100 and 250 revolutions per minute, with an amplitude of 40 to 140 mm is provided.
- the adjustment of the parameters takes place in each case depending on the nature of the material to be separated.
- the screen elements 3 are arranged adjustable with respect to the horizontal, with one end edge are rotatably supported on the side walls 2 and with the other end edge, which has the end wall 5, they are along one in 4 indicated arcuately curved elongated hole, so as to be able to adjust the inclination of the screen element 3 with respect to the horizontal.
- the radius of curvature of the elongated hole 4 corresponds to the width of the sieve element 3 measured in the longitudinal direction of the device.
- the end walls 5 are dimensioned so that the bottom edge of the end walls is approximately in the region of the bearing of the next sieve element 3 when the sieve elements 3 are in the strongest position. The further the employment of the sieve elements 3 with respect to the horizontal is reduced, the more the lower edge of the end wall 5 projects downward, whereby, as already indicated, the downwardly protruding region of the end walls serves to distribute material fallen through the sieve evenly.
Landscapes
- Combined Means For Separation Of Solids (AREA)
Description
Die Erfindung bezieht sich auf eine Vorrichtung zum Trennen eines Teilegemisches, bei welcher ein Siebboden mittels eines Kurbeltriebes in eine in einer vertikalen Längsebene ablaufende Drehbewegung versetzbar ist.The invention relates to a device for separating a parts mixture, in which a sieve bottom is displaceable by means of a crank mechanism in a running in a vertical longitudinal plane rotational movement.
Bei einer bekannten Ausbildung dieser Art sind mehrere Siebböden parallel zueinander leicht ansteigend zwischen zwei Längsseitenwandungen bewegbar, wobei jeder dieser Siebböden mittels eines Kurbeltriebes antreibbar ist, wobei die Kurbeln des Kurbeltriebes so zueinander versetzt sind, daß die parallel liegenden Siebböden nach Art einer Welle zueinander bewegbar sind. Eine solche Ausbildung hat den Nachteil, daß zu trennendes Gut einerseits in die Spalten zwischen den Siebböden, und andererseits auch in den zwischen Siebboden und Wandung befindlichen Spalt eindringen kann. Weiters erhalten die auf den Siebboden auftreffenden Teilchen aufgrund der ansteigenden Anordnung des Siebbodens im wesentlichen nur vertikal verlaufende Impulse, wodurch ein unzureichender Trennungseffekt erzielt wird.In a known embodiment of this type several trays are parallel to each other slightly rising between two Längsseitenwandungen movable, each of these trays is driven by a crank mechanism, the cranks of the crank mechanism are offset from each other so that the parallel trays are movable in the manner of a shaft to each other , Such a design has the disadvantage that good to be separated on the one hand can penetrate into the gaps between the sieve plates, and on the other hand also in the gap located between the sieve bottom and wall. Furthermore, due to the rising arrangement of the sieve bottom, the particles impinging on the sieve bottom receive substantially only vertically extending pulses, whereby an insufficient separation effect is achieved.
Es ist weiters bereits eine Ausführung bekannt, bei welcher an den Siebböden Längsseitenwandungen fest angebracht sind, wobei bei diesen bekannten Ausbildungen lediglich eine Schwing- jedoch keine Drehbewegung vorgesehen ist, was eine völlig andere Kinematik in Bezug auf die zu trennenden Teilchen bedeutet.It is also already known an embodiment in which longitudinal sides of the sieve plates are fixedly mounted, wherein in these known embodiments only a swinging but no rotational movement is provided, which means a completely different kinematics with respect to the particles to be separated.
Aus Dokument DE-A-19814150 ist eine Ausführung bekannt, bei welcher die Bewegung der Siebvorrichtung durch einen Kurbeltrieb erfolgt. Der Kurbeltrieb ist aber nicht an den Seitenwandungen gelagert.From document DE-A-19814150 an embodiment is known in which the movement of the screening device is effected by a crank drive. The crank mechanism is not mounted on the side walls.
Der Erfindung liegt die Aufgabe zu Grunde eine Vorrichtung der eingangsgenannten Art so zu modifizieren, daß eine zuverlässige Trennung unter Vermeidung von Eindringen von zu trennendem Gut zwischen feststehenden und beweglichen Teilen erfolgt.The invention has for its object a device of the type mentioned above to modify so that a reliable separation while avoiding penetration of good to be separated between fixed and moving parts.
Erfindungsgemäß wird diese Aufgabe dadurch gelöst, daß der Siebboden längsseitig in Ansicht bekannter Weise mit nach oben ragenden Seitenwandungen versehen ist, und daß der Siebboden horizontal bzw. annähernd horizontal angeordnet ist, wobei der Kurbeltrieb an den Seitenwandungen angreift. Dadurch wird eine trogartige Wanne erzielt, bei welcher die aufgebrachten Teilchen beim Auftreffen auf den Siebboden einen horizontalen Impuls erfahren, welcher das Trennergebnis wesentlich verbessert.According to the invention this object is achieved in that the sieve bottom is provided on the longitudinal side in view of known manner with upstanding side walls, and that the sieve bottom is arranged horizontally or approximately horizontally, wherein the crank drive engages the side walls. As a result, a trough-like tray is achieved, in which the particles applied when hitting the sieve bottom experience a horizontal pulse, which significantly improves the separation result.
Vorteilhafterweise kann der Kurbeltrieb durch in den Seitenwandungen gelagerte Exzenter gebildet sein, wodurch die Anordnung an der Unterseite von das Ausbringen des sortierten Materials behindernden Einrichtungen frei ist. Um eine Einstellbarkeit der Vorrichtung auf unterschiedliche zu trennende Materialien zu erzielen, kann der Siebboden in einzelnen neigungsmäßig verstell- und festlegbare stufenartige Siebelemente unterteilt sein, die an den durchgehenden Seitenwandungen befestigt sind.Advantageously, the crank mechanism can be formed by eccentrics mounted in the side walls, whereby the arrangement on the underside is free of facilities obstructing the discharge of the sorted material. In order to achieve adjustability of the device to different materials to be separated, the sieve plate can be divided into individual gradual adjustable and fixable step-like sieve elements which are attached to the continuous side walls.
Dabei können die festlegbaren Siebelemente mit den den zugehörigen Stirnwandungen abgewandten Endkanten schwenkbar an den Seitenwandungen gelagert und die die Stirnwandungen tragenden Endkanten in kreisbogenförmig verlaufenden Langlöchern verstellbar geführt sein. Damit wird eine stufenlose Einstellbarkeit erzielt, wobei die einzelnen Stufenabschnitte auch über den Längsverlauf der gesamten Vorrichtung unterschiedlich geneigt einstellbar sind. Die Stimwandungen der Siebelemente können die Siebbodenelemente nach unten überragen, was den Vorteil hat, daß das ausgesiebte Material unterhalb des Siebbodens durch die Bewegung gleichmäßig in dem Aufnahmebehälter verteilt wird.In this case, the fixable screen elements with the end walls facing away from the associated end walls pivotally mounted on the side walls and the end walls bearing end edges in circular arc-shaped elongated holes can be performed adjustable. For a stepless adjustability is achieved, wherein the individual stage sections are adjustable in different inclinations over the longitudinal course of the entire device. The end walls of the sieve elements can project beyond the sieve bottom elements, which has the advantage that the sieved material underneath the sieve bottom is evenly distributed in the receptacle by the movement.
In der Zeichnung sind Ausführungsbeispiele des Erfindungsgegenstandes schematisch dargestellt. Fig. 1 zeigt schaubildlich eine erste einfache Ausführungsvariante und Fig. 2 eine Ausführungsvariante mit einstellbaren Siebböden in Seitenansicht bei abgenommener vorderer Seitenwandung.In the drawings, embodiments of the subject invention are shown schematically. Fig. 1 shows diagrammatically a first simple embodiment and Fig. 2 shows a variant with adjustable sieve plates in side view with removed front side wall.
Mit 2 sind die Seitenwandungen der Vorrichtung bezeichnet, an welchen ein aus Siebelementen 3 bestehender Siebboden angebracht ist. In den Seitenwandungen 2 sind exzentrische Antriebseinrichtungen 6 gelagert, die bei Rotation den Siebboden in drehender Bewegung versetzen. Der Siebboden ist stufenartig ausgebildet, wobei jede der Stufen eine Stirnwand 5 aufweist, die den Zwischenraum zwischen den einzelnen Siebbodenelementen 3 abschließt. Beim Ausführungsbeispiel gemäß Fig. 1 ist der Siebboden bzw. dessen Elemente in Bezug auf die Seitenwandungen fest angeordnet, wobei die Gesamtanordnung im wesentlichen horizontal an einem nicht näher dargestellten Traggestell gelagert ist, an welchem auch der Antrieb für die Exzenter 6 vorgesehen ist. Die Stirnwände 5 stehen gegenüber dem Siebboden nach unten vor, wodurch ein Verteilen des durch das Sieb hindurchgehenden Materials unterhalb der Trennvorrichtung erreicht wird.2, the side walls of the device are referred to, on which an
Die Funktionsweise der Vorrichtung ist dabei so, daß das zu trennende Material 1 von oben her auf die Siebelemente 3 geworfen wird und durch die Drehbewegung der Vorrichtung einen Stoß erhält, der sowohl eine vertikale als auch eine horizontale Kraftkomponente besitzt. Während die vertikale Kraftkomponente das wiederholte Hochschleudern der Teile des zu trennenden Materials bewirkt, kommt es durch die horizontale Kraftkomponente zu einer horizontalen Bewegung der Teile des zu trennenden Materials, die in Abhängigkeit von der Körperform und der Steifigkeit der Teile des zu trennenden Materials eine Bewegung entweder in die eine oder in die andere Richtung bewirkt. Die Siebelemente 3 und die daran befestigten Stirnwände 5 können die gleiche Lochung- oder Maschenweite aufweisen, oder aber es kann die Stirnwand 5 dicht ausgeführt sein, was für die Funktion keine Abänderung bedeutet.The operation of the device is such that the material to be separated 1 is thrown from above onto the
Die Drehbewegung der Wanne beträgt zwischen 100 und 250 Umdrehungen pro Minute, wobei eine Amplitude von 40 bis 140 mm vorgesehen ist. Die Einstellung der Parameter erfolgt dabei jeweils in Abhängigkeit von der Art des zu trennenden Materials.The rotational movement of the tub is between 100 and 250 revolutions per minute, with an amplitude of 40 to 140 mm is provided. The adjustment of the parameters takes place in each case depending on the nature of the material to be separated.
Beim Ausführungsbeispiel nach Fig. 2 sind die Siebelemente 3 in Bezug auf die Horizontale verstellbar angeordnet, und zwar mit der einen Endkante sind sie drehbar an den Seitenwänden 2 gelagert und mit der anderen Endkante, welches die Stirnwand 5 aufweist, sind sie entlang eines bei 4 angedeuteten kreisbogenförmig gekrümmten Langloches gelagert, um solcherart die Neigung des Siebelementes 3 im Bezug auf die Horizontale einstellen zu können. Der Radius der Krümmung des Langloches 4 entspricht dabei der in Längsrichtung der Vorrichtung gemessenen Breite des Siebelements 3. Die Stirnwände 5 sind dabei so dimensioniert, daß bei stärkster Anstellung der Siebelemente 3 die Unterkante der Stirnwände etwa im Bereich der Lagerung des nächstfolgenden Siebelementes 3 liegt. Je weiter die Anstellung der Siebelemente 3 in Bezug auf die Horizontale verringert wird, desto mehr steht dann die Unterkante der Stirnwand 5 nach unten vor, wobei wie schon angedeutet der nach unten vorstehende Bereich der Stirnwände dazu dient durch das Sieb gefallenes Material gleichmäßig zu verteilen.In the embodiment of FIG. 2, the
Claims (5)
- Device for separating a particle mixture, in which a sieve plate can be rotably moved in a vertical longitudinal plane by means of a crank drive, characterised in that the sieve plate (3) is provided with upward pxojecting side walls (2) at the longitudinal sides in a manner known per se, and that the sieve plate (3) is disposed horizontally or approximately horizontally, wherein the crank drive (6) acts on the side walls (2).
- Device according to Claim 1, characterised in that the crank drive (6) is formed by eccentrics which are mounted in the side walls (2).
- Device according to Claim 1 or 2, characterised in that the sieve plate (3) is divided into individual step-like sieve elements which can be adjusted and fixed in terms of inclination and which are fastened to the continuous side walls (2).
- Device according to Claim 3, characterised in that the fixable sieve elements (3) are pivotably mounted at the side walls (2) by way of the end edges which are remote from the associated front walls (5), and the end edges bearing the front walls (5) are held so as to be adjustable in elongated holes (4) extending in the shape of a circular arc.
- Device according to Claim 3 or 4, characterised in that the front walls (5) of the sieve elements (3) project downwards beyond the plane of the sieve plate.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT04450171T ATE340655T1 (en) | 2003-09-23 | 2004-09-07 | DEVICE FOR SEPARATING A PARTIAL MIXTURE |
| SI200430134T SI1525925T1 (en) | 2003-09-23 | 2004-09-07 | Device to separate a partial mixture |
| PL04450171T PL1525925T3 (en) | 2003-09-23 | 2004-09-07 | Device to separate a partial mixture |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT15052003 | 2003-09-23 | ||
| AT0150503A AT412762B (en) | 2003-09-23 | 2003-09-23 | DEVICE FOR DISCONNECTING A PARTICLE MIXTURE |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1525925A1 EP1525925A1 (en) | 2005-04-27 |
| EP1525925B1 true EP1525925B1 (en) | 2006-09-27 |
Family
ID=33494525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04450171A Not-in-force EP1525925B1 (en) | 2003-09-23 | 2004-09-07 | Device to separate a partial mixture |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1525925B1 (en) |
| AT (1) | AT412762B (en) |
| DE (1) | DE502004001579D1 (en) |
| DK (1) | DK1525925T3 (en) |
| ES (1) | ES2273199T3 (en) |
| PL (1) | PL1525925T3 (en) |
| PT (1) | PT1525925E (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111495739B (en) * | 2020-03-16 | 2022-05-31 | 黄山市徽珍食品有限公司 | Automatic sorting device for edible mushroom |
| CN113798175B (en) * | 2021-10-19 | 2023-10-03 | 涿州市老輾薹食品有限公司 | Screening device for soybeans |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE739543C (en) * | 1940-12-11 | 1943-09-29 | Gustloff Werke | Vibrating sieve for coal containing lignite |
| CH463248A (en) * | 1966-05-04 | 1968-09-30 | Miag Muehlenbau & Ind Gmbh | Drive for a plansifter box |
| DE3730015C1 (en) * | 1987-09-08 | 1988-08-11 | Reinhard Rueter | Plane sifting machine |
| DE19814150A1 (en) * | 1998-03-30 | 1999-10-07 | Kvaerner Panel Sys Gmbh | Device for fractionating fibrous particles of different sizes |
-
2003
- 2003-09-23 AT AT0150503A patent/AT412762B/en not_active IP Right Cessation
-
2004
- 2004-09-07 EP EP04450171A patent/EP1525925B1/en not_active Not-in-force
- 2004-09-07 DK DK04450171T patent/DK1525925T3/en active
- 2004-09-07 PT PT04450171T patent/PT1525925E/en unknown
- 2004-09-07 PL PL04450171T patent/PL1525925T3/en unknown
- 2004-09-07 ES ES04450171T patent/ES2273199T3/en active Active
- 2004-09-07 DE DE502004001579T patent/DE502004001579D1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| PL1525925T3 (en) | 2007-02-28 |
| EP1525925A1 (en) | 2005-04-27 |
| DE502004001579D1 (en) | 2006-11-09 |
| PT1525925E (en) | 2007-01-31 |
| AT412762B (en) | 2005-07-25 |
| DK1525925T3 (en) | 2007-01-29 |
| ES2273199T3 (en) | 2007-05-01 |
| ATA15052003A (en) | 2004-12-15 |
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