EP0496063A2 - Surface criblante pour appareil cribleur - Google Patents

Surface criblante pour appareil cribleur Download PDF

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Publication number
EP0496063A2
EP0496063A2 EP91120873A EP91120873A EP0496063A2 EP 0496063 A2 EP0496063 A2 EP 0496063A2 EP 91120873 A EP91120873 A EP 91120873A EP 91120873 A EP91120873 A EP 91120873A EP 0496063 A2 EP0496063 A2 EP 0496063A2
Authority
EP
European Patent Office
Prior art keywords
screen surface
frame
outer frame
fastened
screen
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.)
Granted
Application number
EP91120873A
Other languages
German (de)
English (en)
Other versions
EP0496063B2 (fr
EP0496063A3 (en
EP0496063B1 (fr
Inventor
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.)
Hein Lehmann Trenn und Fordertechnik GmbH
Isenmann Siebe GmbH
Original Assignee
Hein Lehmann Trenn und Fordertechnik GmbH
Isenmann Siebe GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6423444&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0496063(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hein Lehmann Trenn und Fordertechnik GmbH, Isenmann Siebe GmbH filed Critical Hein Lehmann Trenn und Fordertechnik GmbH
Priority to DE9117201U priority Critical patent/DE9117201U1/de
Publication of EP0496063A2 publication Critical patent/EP0496063A2/fr
Publication of EP0496063A3 publication Critical patent/EP0496063A3/de
Application granted granted Critical
Publication of EP0496063B1 publication Critical patent/EP0496063B1/fr
Publication of EP0496063B2 publication Critical patent/EP0496063B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • 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

Definitions

  • the invention relates to a sieve surface for a sieving machine, in which first regions of the elastic sieve surface move in a manner that deviates from second regions of the sieve surface.
  • Sieving machines are known, the sieve surface of which has cross members, which are arranged parallel next to one another and on the upper sides of which the elastic sieve is fastened. Every second cross member is on a first movement system and the intermediate crossmembers attached to a second movement system, which swing in opposite directions, so that the areas of the sieve located between the crossmembers are alternately stretched and compressed, German Patent 1206372.
  • German Patent 1206372 In such a screening machine, the arrangement of two movement systems is complex.
  • the object of the invention is to improve a screen surface of the type mentioned in such a way that only a movement system is required with a simple structural design and furthermore the screen surface is composed of individual elements. It is also an object of the invention to be able to retrofit a screening surface with two different movements on conventional screening machines with a movement system.
  • the screen surface from individual components is composed, which have an oscillatingly driven outer frame, in the inner region of which at least one inner part is supported by spring elements, the screen surface being alternately fastened to the frame and the spring-mounted inner part or parts.
  • the screen surface can be composed of individual elements, each of which contains both movement systems, so that the second movement system does not require its own drive and furthermore the individual sieve elements are easy to assemble and replace.
  • This screening surface can be used on all conventional screening machines.
  • such a system has the advantage that different screen elements can be installed at certain points on the screen surface. So z. B. at the point where the material to be screened, sieve elements are used, which carry out a different sieving work than later sieve elements.
  • the resiliently mounted inner parts form a right-angled frame, on the lateral or longitudinal sides of which the screen surface is attached.
  • the outer frame can be subdivided by at least one cross strut which crosses the inner frame and to which the screen surface is attached. It is also proposed here that the cross strut lies in recesses in the inner frame, which leave enough play for opposite movements of the inner frame and cross strut.
  • the outer frame is divided by at least one cross strut and the resiliently mounted inner parts are fastened in the divided inner regions of the outer frame. It is also advantageously proposed that the parts and struts of the outer frame (s) and the resiliently mounted inner parts to which the screen surface is attached run parallel to one another.
  • FIG. 1 shows an outer rectangular frame 1 which is divided by a cross strut 2, so that the frame forms two fields. Each field is divided centrally by an inner cross strut 3 as an inner part, which is arranged parallel to the cross strut 2.
  • the inner cross struts 3 are fastened to the longitudinal sides 5 of the outer frame 1 by spring elements 4. So that the two transverse sides 6, the cross strut 2 and the two inner cross struts 3 are parallel to each other and these parts together with the longitudinal sides 5 of the frame 1 form four fields, each of which is spanned by an elastic screen surface 8, which on the parts 2, 3rd and 6 is attached.
  • the outer frame 1, together with the cross strut 2, is set in motion by a drive in such a way that the inner cross struts 3 oscillate differently due to their mass and the arranged springs and the coordination between mass and springs.
  • the individual areas of the screen surface 8 are alternately compressed and stretched.
  • the inner cross struts 3 are part of an inner frame 9 which is fastened by spring elements 4 to the longitudinal sides 5 of the outer frame 1.
  • the longitudinal sides 10 of the inner frame 9 penetrate the cross strut 2 due to slits in the cross struts 2.
  • Figures 3 and 4 differs from that of FIG. 2 only in that the inner frame does not lie in slots 11 of the cross strut 2, but the longitudinal sides 10 of the inner frame 9 form recesses 12 on their top in which the Insert cross struts 2 of the outer frame. To form these recesses 12, the longitudinal sides 10 of the inner frame 9 project downwards in a U-shape.
  • the longitudinal sides 10 of the inner frame 9 also protrude with the end sides beyond the corners of the frame in order to be fastened to these regions, as well as to adjacent regions, by spring elements on the outer frame.
  • the spring elements 4 can be made of elastic material such as rubber or plastic or else of metal, in particular helical springs.
  • the sieve elements shown in the drawings are fastened detachably to several on the sieve surface of a sieve machine so that they can be easily replaced.

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Paper (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Coating With Molten Metal (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Threshing Machine Elements (AREA)
EP91120873A 1991-01-22 1991-12-05 Surface criblante pour appareil cribleur Expired - Lifetime EP0496063B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9117201U DE9117201U1 (de) 1991-01-22 1991-12-05 Siebfläche für eine Siebmaschine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4101710 1991-01-22
DE4101710A DE4101710A1 (de) 1991-01-22 1991-01-22 Siebflaeche fuer eine siebmaschine

Publications (4)

Publication Number Publication Date
EP0496063A2 true EP0496063A2 (fr) 1992-07-29
EP0496063A3 EP0496063A3 (en) 1993-03-10
EP0496063B1 EP0496063B1 (fr) 1994-11-17
EP0496063B2 EP0496063B2 (fr) 2000-07-05

Family

ID=6423444

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91120873A Expired - Lifetime EP0496063B2 (fr) 1991-01-22 1991-12-05 Surface criblante pour appareil cribleur

Country Status (5)

Country Link
US (1) US5193689A (fr)
EP (1) EP0496063B2 (fr)
AT (1) ATE114121T1 (fr)
DE (3) DE4101710A1 (fr)
ES (1) ES2064029T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2076126A2 (es) * 1993-12-22 1995-10-16 Ranz Jesus Andres Toribio Perfeccionamientos introducidos en mallas de clasificacion de aridos.
EP2633924A1 (fr) * 2012-02-29 2013-09-04 IFE Aufbereitungstechnik Gmbh Tamis à arbres tendeurs
CN103586208A (zh) * 2013-11-20 2014-02-19 河南太行振动机械股份有限公司 一种筛板紧固装置
EP2974803A1 (fr) * 2014-07-17 2016-01-20 Spaleck GmbH & Co. KG Crible dote de sections de criblage en forme de cassette

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2597717Y2 (ja) * 1993-06-21 1999-07-12 神鋼電機株式会社 振動篩機
US5598931A (en) * 1994-10-11 1997-02-04 Nisshin Flour Milling Co., Ltd. Sifter frame for powder particle sifter
CA2248026A1 (fr) * 1996-03-01 1997-09-04 Bateman Process Equipment Limited Ensemble tamis
DE102006005967A1 (de) * 2006-02-08 2007-08-09 Bühler AG Sieb
US8561803B2 (en) * 2008-07-07 2013-10-22 Derrick Corporation Method and apparatuses for screening
DE102013018873B3 (de) * 2013-11-12 2014-11-27 Schenck Process Gmbh Siebvorrichtung
DE102017004508A1 (de) * 2017-05-11 2018-11-15 Hein, Lehmann Gmbh Spannwellensiebmaschine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US44974A (en) * 1864-11-08 Samuel g-
US612521A (en) * 1898-10-18 X s sieve for gyratory boltsng and scalping k
US979685A (en) * 1907-05-01 1910-12-27 Edgar H Mumford Riddle.
GB720437A (en) * 1951-09-08 1954-12-22 Miag Muehlenbau & Ind Gmbh Improvements in or relating to slide frames for vibratory sieves
US2831576A (en) * 1955-04-02 1958-04-22 Brueckenbau Flender Gmbh Sieving device
DE1206372B (de) * 1964-09-26 1965-12-09 Albert Wehner Siebrost
AT379088B (de) * 1984-02-10 1985-11-11 Binder Co Ag Siebvorrichtung
DE3512215A1 (de) * 1985-04-03 1986-10-16 Carl Schenck Ag, 6100 Darmstadt Siebmaschine mit einem flexiblen siebbelag
AT383054B (de) * 1985-07-24 1987-05-11 Binder Co Ag Siebvorrichtung
DE8816250U1 (de) * 1988-01-14 1989-03-02 Hein, Lehmann AG, 4000 Düsseldorf Spannwell-Siebmaschine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2076126A2 (es) * 1993-12-22 1995-10-16 Ranz Jesus Andres Toribio Perfeccionamientos introducidos en mallas de clasificacion de aridos.
EP2633924A1 (fr) * 2012-02-29 2013-09-04 IFE Aufbereitungstechnik Gmbh Tamis à arbres tendeurs
CN103586208A (zh) * 2013-11-20 2014-02-19 河南太行振动机械股份有限公司 一种筛板紧固装置
EP2974803A1 (fr) * 2014-07-17 2016-01-20 Spaleck GmbH & Co. KG Crible dote de sections de criblage en forme de cassette

Also Published As

Publication number Publication date
EP0496063B2 (fr) 2000-07-05
DE4101710A1 (de) 1992-07-23
ES2064029T3 (es) 1995-01-16
EP0496063A3 (en) 1993-03-10
EP0496063B1 (fr) 1994-11-17
US5193689A (en) 1993-03-16
ATE114121T1 (de) 1994-12-15
DE59103541D1 (de) 1994-12-22
DE9117201U1 (de) 1997-03-20

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