EP0236530B1 - Screen bottom - Google Patents

Screen bottom Download PDF

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Publication number
EP0236530B1
EP0236530B1 EP19860103385 EP86103385A EP0236530B1 EP 0236530 B1 EP0236530 B1 EP 0236530B1 EP 19860103385 EP19860103385 EP 19860103385 EP 86103385 A EP86103385 A EP 86103385A EP 0236530 B1 EP0236530 B1 EP 0236530B1
Authority
EP
European Patent Office
Prior art keywords
profiles
characterized
pin
screen bottom
plastic
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
Application number
EP19860103385
Other languages
German (de)
French (fr)
Other versions
EP0236530A1 (en
Inventor
Gerhard Schmidt
Kurt Hoppe
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.)
Isenmann Siebe GmbH
HEIN LEHMANN AG
Original Assignee
Isenmann Siebe GmbH
HEIN LEHMANN AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Isenmann Siebe GmbH, HEIN LEHMANN AG filed Critical Isenmann Siebe GmbH
Priority to EP19860103385 priority Critical patent/EP0236530B1/en
Publication of EP0236530A1 publication Critical patent/EP0236530A1/en
Application granted granted Critical
Publication of EP0236530B1 publication Critical patent/EP0236530B1/en
Application status is Expired legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, OR SIFTING OR BY USING GAS CURRENTS; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4645Screening surfaces built up of modular elements

Description

  • Die Erfindung betrifft einen Siebbelag mit nebeneinander angeordneten Siebelementen, die an Profilen, einer tragenden Unterkonstruktion durch zusätzliche Kunststoffprofile befestigt sind, die zwei seitliche Ränder benachbarter Siebelemente halten, oberhalb der Profile der Unterkonstruktion parallel verlaufen und an ihrer Unterseite Vorsprünge aufweisen, die an den Profilen der Unterkonstruktion rastend befestigt sind, wobei die Kunststoffprofile in Abständen mittig senkrechte Öffnungen aufweisen, in die von oben Bolzen rastend einsteckbar sind und die Öffnungen koaxial die Vorsprünge durchdringen und in die Profile der Unterkonstruktion hineinreichen. The invention relates to a screening surface with juxtaposed screening elements, which are mounted on profiles of a supporting substructure by additional plastic profiles, the two side edges of adjacent screen elements keep parallel above the profiles of the substructure, and having on its underside projections of the profiles sub-structure are fixed detent, wherein the plastic profiles having centrally at intervals vertical openings into which latching pins are inserted from above and the openings coaxially penetrate the projections and extend into the profiles of the substructure.
  • Ein solcher Siebbelag ist aus der DE-OS 2 736 662 bekannt. Such screening surface is known from DE-OS 2,736,662.
  • Der Kopf des Bolzens ragt über den Siebbelag hinaus, so daß er einem erhöhten Verschleiß ausgesetzt ist. The head of the bolt protrudes through the sieve lining out, so that it is subjected to increased wear. Auch kann es bei diesem bekannten Siebbelag geschehen, daß die Befestigungsöffnungen in der Unterkonstruktion ausgeschlagen sind, so daß ein sicherer Halt nicht mehr gewährleistet ist. It may also happen with this known screen lining in that the mounting holes are knocked out in the substructure, so that a secure hold is not guaranteed.
  • Aufgabe der Erfindung ist es, einen Siebbelag der eingangs genannten Art so zu verbessern, daß die Bolzen nicht verschleißen und auch bei erweiterten Öffnungen der Unterkonstruktion ein sicherer Halt gegeben ist. The object of the invention is to improve a screening surface of the aforementioned type so that the bolts do not wear out, and even when expanded apertures of the substructure, a secure hold is given.
  • Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der Kopf des Bolzens einen Abschnitt desjenigen Bereichs des Kunststoffprofils bildet, der zwei seitliche Ränder benachbarter Siebelemente hält. This object is inventively achieved in that the head of the bolt a portion of that region forms the plastic profile, the two side edges of adjacent screen elements holds.
  • Der Kopf des Bolzens fügt sich in das Kunststoffprofil ein, ohne einen Vorsprung zu bilden, so daß er einem erhöhten Verschleiß nicht ausgesetzt ist. The head of the pin fits in the plastic profile, without forming a projection so that it is not exposed to increased wear. Auch wird das Siebgut vom Kopf nicht aufgehalten. Also, the screenings are not held up by the head. Durch den Schaft des in das Kunststoffprofil einrastenden Bolzens wird der Bereich des Kunststoffprofils, der in der Öffnung der Unterkonstruktion einliegt, ausgeweitet, so daß das Kunststoffprofil auch dann sicher gehalten ist, wenn die Öffnungen der Unterkonstruktion ausgeschlagen sind. By the shaft of said latching in the plastic profile bolt, the area of ​​the plastic profile, which rests in the opening of the support structure is extended, so that the plastic profile is also then held securely when the apertures of the substructure are knocked out. Darüber hinaus führt diese Konstruktion zu dem Vorteil, daß die Bolzen selbst nachziehend sind, so daß bei einem entstehenden Spiel der Spalt ausgefüllt wird. In addition, this construction leads to the advantage that the bolts are self nachziehend, so that the gap is filled with a resulting game.
  • Besonders vorteilhaft ist es, wenn der Bolzenkopf einen waagerechten Profilabschnitt des oberen Kunststoffprofilbereichs bildet und das Kunststoffprofil an dieser Stelle entsprechend ausgespart ist. It is particularly advantageous when the pin head forms a horizontal profile portion of the upper plastic profile region and the plastic profile is correspondingly recessed at this point. Hierdurch fügt sich der Bolzenkopf bei ausreichender Größe besonders in das Kunststoffprofil ein. This causes the bolt head with adequate size adds an extra in the plastic profile.
  • Eine besonders einfache und sichere Befestigung wird dann erreicht, wenn die Schaftwand des Bolzens sägezahnförmig ausgebildet ist. A particularly simple and secure attachment is achieved when the shaft wall of the bolt is a sawtooth shape. Hierbei kann die Öffnung eine entsprechend der Bolzenschaftwand sägezahnförmige Wandung aufweisen. Here, the opening may have a saw-tooth corresponding to the pin shank wall wall.
  • Um mit der Einstecktiefe des Bolzens den Anpreßdruck in der Öffnung der Unterkonstruktion zu bestimmen, wird vorgeschlagen, daß die Öffnung und/oder der Bolzenschaft konisch geformt sind. In order to determine the depth of insertion of the pin the contact pressure in the opening of the sub-structure, it is proposed that the opening and / or the pin shank are conically shaped.
  • Eine sichere und einfache Befestigung der Siebelemente durch den Bolzenkopf wird dadurch erreicht, daß der teilprofilförmige Bolzenkopf einen pilzförmigen Querschnitt aufweist. A safe and easy mounting of the screen elements through the bolt head is achieved in that the part-profile-shaped pin head has a mushroom-shaped cross-section. Besonders vorteilhaft ist es, wenn der Bolzen aus Kunststoff ist. It is particularly advantageous when the pin is made of plastic.
  • Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben. An embodiment of the invention is illustrated in the drawing and will be described in more detail below. Es zeigen: Show it:
    • Fig. 1 eine Stirnansicht des Bolzens; Fig. 1 is an end view of the bolt;
    • Fig. 2 eine Seitenansicht des Bolzens; Fig. 2 is a side view of the bolt;
    • Fig. 3 einen Schnitt nach 111-111 in Fig. 4; Fig. 3 shows a section 111-111 in FIG. 4; und and
    • Fig. 4 eine Seitenansicht der Unterkonstruktion mit aufgesetztem Kunststoffprofil bei herausgenommenen Bolzen. Fig. 4 is a side view of the support structure with mounted plastic profile Having removed the bolt.
  • Ein Siebboden ist aus einzelnen rechteckförmigen Siebelementen 1 zusammengesetzt, die aus Kunststoff bestehen. A sieve plate is composed of individual rectangular screen elements 1 which are made of plastic. Diese Siebelemente 1 weisen an ihren seitlichen Stirnseiten 2 nutenförmige Längsausnehmungen 3 auf, die von dem oberen Bereich 4 eines Kunststoffprofils 5 gehalten werden. These screen elements 1 have on their lateral end faces 2 groove-like longitudinal recesses 3, which are held a plastic profile 5 of the upper 4 range. Der obere Bereich 4 ist hierzu im Querschnitt pilzförmig ausgeführt. The upper section 4 is for this purpose carried out in the cross-sectional mushroom shape.
  • Das Kunststoffprofil 5 liegt auf der Oberseite von L-förmigen waagerechten Metallprofilen 6 der Unterkonstruktion auf. The plastic profile 5 lies on the upper side of L-shaped horizontal metal sections 6 of the substructure. Die Profile 5 verlaufen parallel zu den Profilen 6 und weisen an ihrer Unterseite zapfenförmige zylindrische Vorsprünge 7 auf, die in Bohrungen bzw. Öffnungen 8 des Profils 6 eingesteckt sind. The profiles 5 are parallel to the profiles 6 and have on their bottom peg-shaped cylindrical projections 7, which are inserted into holes or openings 8 of the profile. 6 Jeder Vorsprung weist mittig eine ihn senkrecht durchquerende Öffnung 9 auf, die sich nach unten hin konisch verjüngt und deren Wandung sägezahnförmig gestaltet ist. Each projection has a center it vertically traversing opening 9, which tapers conically downwards and the wall of which is configured sawtooth-shaped.
  • In die Öffnung 9 ist ein Bolzen von oben einsteckbar, dessen etwa zylindrischer Schaft 11 außen sägezahnförmig geformt ist, um in die sägezahnförmige Wandung der Öffnung 9 eingreifen zu können und formschlüssig zu halten. In the opening 9 a bolt from above can be inserted, whose approximately cylindrical shaft 11 is formed outside a sawtooth shape in order to engage in the sawtooth-shaped wall of the opening 9 and to keep a positive fit. Da die Öffnung 9 konisch nach unten hin verjüngt ist, ist der Grad der Dehnung des Vorsprungs 7 abhängig von der Tiefe des Einsteckens des Bolzens 10. Der Bolzen 10 weist an seiner Oberseite einen Kopf 12 auf, der einem Abschnitt des oberen pilzförmigen Bereichs 4 des Profils 5 in seiner Form entspricht. Since the opening is tapered 9 tapered towards the bottom, the degree of elongation of the protrusion 7 depends on the depth of insertion of the bolt 10. The bolt 10 has at its upper side a head 12 on which the a portion of the upper mushroom-shaped region 4 profile 5 corresponds in its shape. Das Profil 5 weist hierzu im oberen Bereich oberhalb der Öffnung 9 eine rechteckförmige Ausnehmung 13 auf, die der Kopf 12 nach Einsetzen des Bolzens 10 vollständig ausfüllt. The profile 5 has for this purpose in the upper region above the opening 9 has a rectangular recess 13, 12 completely fills the head after insertion of the bolt 10 degrees.
  • Der Bolzen 10 besteht vorzugsweise aus demselben Kunststoffmaterial wie das Profil 5. In einer alternativen nicht dargestellten Ausführung kann der Schaft 11 des Bolzens 10 sich nach unten hin konisch verjüngen. The bolt 10 is preferably made of the same plastic material as the profile 5. In an alternative embodiment not shown, 10 can be tapered conically down the shank 11 of the bolt. Ferner kann der Kopf 12 statt eines pilzförmigen Querschnitts auch sägezahnförmig gestaltet sein, um in eine entsprechend sägezahnförmige Längsausnehmung an der Stirnseite des Siebelements 1 einzugreifen. Further, the head may also be configured sawtooth-shaped instead of a mushroom-shaped cross-section 12 to engage in a correspondingly sawtooth-shaped longitudinal recess on the front side of the screening element. 1

Claims (7)

1. Screen bottom having screen elements (1) which are arranged next to one another and are secured on profiles (6) of a supporting substructure by additional plastic profiles (5) which hold two lateral edges of adjoining screen elements (1), extend parallel to the substructure above the profiles (6) and on their underside have projections (7) which are secured with locking engagement on the profiles (6) of the substructure, the plastic profiles (5) having centrally at intervals vertical openings (9) into which pins (10) can be inserted from above with locking engagement and the openings (9) pass through the projections (7) coaxially and extend into the profiles (6) of the substructure, characterized in that the head (12) of the pin (10) forms a portion of that region (4) of the plastic profile (5) which holds two lateral edges (2) of adjoining screen elements (1).
2. Screen bottom according to Calim 1, characterized in that the pin head (12) forms a horizontal profile portion of the upper plastic profile region (4) and the plastic profile (5) is correspondingly recessed at this point.
3. Screen bottom according to one of the preceding claims, characterized in that the shank wall of the pin (10) is of sawtooth-shaped design.
4. Screen bottom according to Claim 3, characterized in that the opening (9) has a sawtooth-shaped wall corresponding to the pin shank wall.
5. Screen bottom according to one of the preceding claims, characterized in that the opening (9) and/or the pin shank (11) are conically shaped.
6. Screen bottom according to one of the preceding claims, characterized in that the part profile- shaped pin head (12) has a mushroom-shaped cross- section.
7. Screen bottom according to one of the preceding claims, characterized in that the pin (10) is made of plastic.
EP19860103385 1986-03-13 1986-03-13 Screen bottom Expired EP0236530B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19860103385 EP0236530B1 (en) 1986-03-13 1986-03-13 Screen bottom

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
EP19860103385 EP0236530B1 (en) 1986-03-13 1986-03-13 Screen bottom
AT86103385T AT47335T (en) 1986-03-13 1986-03-13 Screen lining.
DE19863666365 DE3666365D1 (en) 1986-03-13 1986-03-13 Screen bottom
ZA871234A ZA8701234B (en) 1986-03-13 1987-02-19 Screen lining
US07/018,286 US4871288A (en) 1986-03-13 1987-02-24 Screen lining
AU69864/87A AU591970B2 (en) 1986-03-13 1987-03-10 Screen lining

Publications (2)

Publication Number Publication Date
EP0236530A1 EP0236530A1 (en) 1987-09-16
EP0236530B1 true EP0236530B1 (en) 1989-10-18

Family

ID=8194963

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860103385 Expired EP0236530B1 (en) 1986-03-13 1986-03-13 Screen bottom

Country Status (6)

Country Link
US (1) US4871288A (en)
EP (1) EP0236530B1 (en)
AT (1) AT47335T (en)
AU (1) AU591970B2 (en)
DE (1) DE3666365D1 (en)
ZA (1) ZA8701234B (en)

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US5112475A (en) * 1990-08-06 1992-05-12 Conn-Weld Industries, Inc. Panel mounting system
US5213217A (en) * 1991-10-25 1993-05-25 Galton Zanley F Screening system and method for screening particulate material
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US5361911A (en) * 1994-04-14 1994-11-08 Miller Wire Works, Inc. Screening panel attachment system
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AUPN514395A0 (en) * 1995-08-31 1995-09-21 Lettela Proprietary Limited Screening apparatus
US5755334A (en) * 1996-03-19 1998-05-26 Illinois Tool Works Inc. Method and apparatus for mounting a panel on a support member
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US6634505B1 (en) * 1999-04-26 2003-10-21 Durex Products, Inc. Sieve bed for a sifting machine
US6267246B1 (en) * 2000-02-14 2001-07-31 Western Wire Works, Inc. Screening system for screening or diverting particulate material
US6957741B2 (en) * 2001-08-07 2005-10-25 Manfred Franz Axel Freissle Screening arrangement
AU2003204125B2 (en) * 2002-03-21 2007-09-13 Schenck Process Australia Pty Ltd Ore Screening Panel Fixing System
US7063214B2 (en) * 2003-02-04 2006-06-20 Varco I/P, Inc. Interlocking screens for vibratory separators
DE102005007954A1 (en) * 2005-02-22 2006-08-24 Ludwig Krieger Draht- Und Kunststofferzeugnisse Gmbh Siebbelagsträger
AU2006243879B2 (en) * 2006-11-28 2011-07-07 Flsmidth A/S A screening module retaining assembly
AU2007200706A1 (en) * 2006-12-22 2008-07-10 Flsmidth A/S Improved screening panel securing system
US20120020725A1 (en) * 2010-07-22 2012-01-26 Chia-Yu Liu Furniture connector
DE202011100313U1 (en) * 2011-05-05 2011-12-14 Igus Gmbh Bracket for lateral attachment of a guide channel for cable drag chains and mounting system with bracket
DE102013010051B3 (en) * 2013-06-17 2014-07-31 Schenck Process Gmbh Screen lining
US10201835B1 (en) * 2015-12-18 2019-02-12 Edwin C. Bailey Mounting System for a wire screen panel

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Also Published As

Publication number Publication date
AT47335T (en) 1989-11-15
AU591970B2 (en) 1989-12-21
DE3666365D1 (en) 1989-11-23
US4871288A (en) 1989-10-03
ZA8701234B (en) 1987-08-12
EP0236530A1 (en) 1987-09-16
AU6986487A (en) 1987-09-17

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