EP0236530B1 - Screen bottom - Google Patents

Screen bottom Download PDF

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Publication number
EP0236530B1
EP0236530B1 EP86103385A EP86103385A EP0236530B1 EP 0236530 B1 EP0236530 B1 EP 0236530B1 EP 86103385 A EP86103385 A EP 86103385A EP 86103385 A EP86103385 A EP 86103385A EP 0236530 B1 EP0236530 B1 EP 0236530B1
Authority
EP
European Patent Office
Prior art keywords
screen
profiles
shaped
plastic
pin
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
EP86103385A
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 EP86103385A 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
Expired legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, 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 screen covering with screen elements arranged side by side, which are attached to profiles, a supporting substructure by additional plastic profiles that hold two lateral edges of adjacent screen elements, run parallel above the profiles of the substructure and have projections on their underside, which on the profiles of the Substructure are fastened in a latching manner, the plastic profiles having vertical openings in the center at intervals, into which bolts can be 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 a screen covering 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. 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.The head of the bolt protrudes beyond the screen covering so that it is exposed to increased wear. It can also happen with this known screen covering that the fastening openings in the substructure are knocked out, so that a secure hold is no longer 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 screen covering of the type mentioned in such a way that the bolts do not wear out and a secure hold is provided even with enlarged openings in the substructure.
  • 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 achieved in that the head of the pin forms a portion of that area of the plastic profile that holds two lateral edges of adjacent screen elements.
  • Der Kopf des Bolzens fügt sich in das Kunststoffprofil ein, ohne einen Vorsprung zu bilden, so daß er einem erhöhten Verschleiß nicht ausgesetzt ist. Auch wird das Siebgut vom Kopf nicht aufgehalten. 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. Darüber hinaus führt diese Konstruktion zu dem Vorteil, daß die Bolzen selbst nachziehend sind, so daß bei einem entstehenden Spiel der Spalt ausgefüllt wird.The head of the bolt fits into the plastic profile without forming a protrusion so that it is not exposed to increased wear. The screenings are also not stopped by the head. The area of the plastic profile that lies in the opening of the substructure is expanded by the shaft of the bolt that snaps into the plastic profile, so that the plastic profile is held securely even when the openings of the substructure are knocked out. In addition, this construction leads to the advantage that the bolts are self-tightening, so that the gap is filled when there is play.
  • Besonders vorteilhaft ist es, wenn der Bolzenkopf einen waagerechten Profilabschnitt des oberen Kunststoffprofilbereichs bildet und das Kunststoffprofil an dieser Stelle entsprechend ausgespart ist. Hierdurch fügt sich der Bolzenkopf bei ausreichender Größe besonders in das Kunststoffprofil ein.It is particularly advantageous if the bolt head forms a horizontal profile section of the upper plastic profile area and the plastic profile is cut out accordingly at this point. As a result, the bolt head fits into the plastic profile, especially if it is of sufficient size.
  • Eine besonders einfache und sichere Befestigung wird dann erreicht, wenn die Schaftwand des Bolzens sägezahnförmig ausgebildet ist. Hierbei kann die Öffnung eine entsprechend der Bolzenschaftwand sägezahnförmige Wandung aufweisen.A particularly simple and secure attachment is achieved when the shaft wall of the bolt is sawtooth-shaped. Here, the opening can have a sawtooth-shaped wall corresponding to the bolt shaft 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 contact pressure in the opening of the substructure with the insertion depth of the bolt, it is proposed that the opening and / or the bolt shaft be conically shaped.
  • Eine sichere und einfache Befestigung der Siebelemente durch den Bolzenkopf wird dadurch erreicht, daß der teilprofilförmige Bolzenkopf einen pilzförmigen Querschnitt aufweist. Besonders vorteilhaft ist es, wenn der Bolzen aus Kunststoff ist.A secure and simple fastening of the sieve elements by the bolt head is achieved in that the partially profiled bolt head has a mushroom-shaped cross section. It is particularly advantageous if the bolt is made of plastic.
  • Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben. Es zeigen:
    • Fig. 1 eine Stirnansicht des Bolzens;
    • Fig. 2 eine Seitenansicht des Bolzens;
    • Fig. 3 einen Schnitt nach 111-111 in Fig. 4; und
    • Fig. 4 eine Seitenansicht der Unterkonstruktion mit aufgesetztem Kunststoffprofil bei herausgenommenen Bolzen.
    An embodiment of the invention is shown in the drawing and will be described in more detail below. Show it:
    • Fig. 1 is an end view of the bolt;
    • Fig. 2 is a side view of the bolt;
    • FIG. 3 shows a section according to 111-111 in FIG. 4; and
    • Fig. 4 is a side view of the substructure with attached plastic profile with the bolts removed.
  • Ein Siebboden ist aus einzelnen rechteckförmigen Siebelementen 1 zusammengesetzt, die aus Kunststoff bestehen. Diese Siebelemente 1 weisen an ihren seitlichen Stirnseiten 2 nutenförmige Längsausnehmungen 3 auf, die von dem oberen Bereich 4 eines Kunststoffprofils 5 gehalten werden. Der obere Bereich 4 ist hierzu im Querschnitt pilzförmig ausgeführt.A sieve bottom is composed of individual rectangular sieve elements 1, which consist of plastic. These sieve elements 1 have on their lateral end faces 2 groove-shaped longitudinal recesses 3, which are held by the upper area 4 of a plastic profile 5. For this purpose, the upper region 4 is mushroom-shaped in cross section.
  • Das Kunststoffprofil 5 liegt auf der Oberseite von L-förmigen waagerechten Metallprofilen 6 der Unterkonstruktion auf. 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. Jeder Vorsprung weist mittig eine ihn senkrecht durchquerende Öffnung 9 auf, die sich nach unten hin konisch verjüngt und deren Wandung sägezahnförmig gestaltet ist.The plastic profile 5 lies on the top of L-shaped horizontal metal profiles 6 of the substructure. The profiles 5 run parallel to the profiles 6 and have pin-shaped cylindrical projections 7 on their underside, which are inserted into bores or openings 8 of the profile 6. Each projection has in the middle an opening 9 perpendicularly crossing it, which tapers conically downwards and the wall of which is 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. 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. 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.A bolt can be inserted into the opening 9 from above, the approximately cylindrical shaft 11 of which is sawtooth-shaped on the outside in order to be able to engage in the sawtooth-shaped wall of the opening 9 and to hold it in a form-fitting manner. Since the opening 9 is tapered downwards, the degree of expansion of the projection 7 depends on the depth of insertion of the bolt 10. The bolt 10 has a head 12 on its upper side, which is a portion of the upper mushroom-shaped region 4 of the Profile 5 corresponds in shape. For this purpose, the profile 5 has a rectangular recess 13 in the upper region above the opening 9, which the head 12 completely fills out after the bolt 10 has been inserted.
  • 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. 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.The bolt 10 is preferably made of the same plastic material as the profile 5. In an alternative embodiment, not shown, the shaft 11 of the bolt 10 can taper conically downwards. Furthermore, instead of a mushroom-shaped cross-section, the head 12 can also have a sawtooth shape in order to engage in a corresponding sawtooth-shaped longitudinal recess on the end face of the sieve 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.
EP86103385A 1986-03-13 1986-03-13 Screen bottom Expired EP0236530B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP86103385A EP0236530B1 (en) 1986-03-13 1986-03-13 Screen bottom

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
EP86103385A EP0236530B1 (en) 1986-03-13 1986-03-13 Screen bottom
DE8686103385T DE3666365D1 (en) 1986-03-13 1986-03-13 Screen bottom
AT86103385T AT47335T (en) 1986-03-13 1986-03-13 Screening.
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
EP86103385A 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
ZA9400452B (en) * 1993-06-23 1994-09-02 Screenex Wire Weaving Mfg Ltd Screening arrangement
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
AU711096B2 (en) * 1996-07-17 1999-10-07 Freissle, Manfred Franz Axel Screening arrangement
US6206200B1 (en) 1999-01-19 2001-03-27 United States Filter Corporation Mounting system for modular panels used in a screen deck
AUPP904499A0 (en) * 1999-03-08 1999-03-25 Cmi Malco Pty Ltd A screening apparatus
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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
US4871288A (en) 1989-10-03
DE3666365D1 (en) 1989-11-23
AU591970B2 (en) 1989-12-21
AU6986487A (en) 1987-09-17
ZA8701234B (en) 1987-08-12
EP0236530A1 (en) 1987-09-16

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