EP2196081A1 - Crible - Google Patents

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Info

Publication number
EP2196081A1
EP2196081A1 EP09450233A EP09450233A EP2196081A1 EP 2196081 A1 EP2196081 A1 EP 2196081A1 EP 09450233 A EP09450233 A EP 09450233A EP 09450233 A EP09450233 A EP 09450233A EP 2196081 A1 EP2196081 A1 EP 2196081A1
Authority
EP
European Patent Office
Prior art keywords
profiles
webs
screen
sieve
recesses
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
EP09450233A
Other languages
German (de)
English (en)
Other versions
EP2196081B1 (fr
Inventor
Christian Karl
Herbert Dallhammer
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.)
IFE Aufbereitungstechnik GmbH
Original Assignee
IFE Aufbereitungstechnik 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
Application filed by IFE Aufbereitungstechnik GmbH filed Critical IFE Aufbereitungstechnik GmbH
Priority to PL09450233T priority Critical patent/PL2196081T3/pl
Publication of EP2196081A1 publication Critical patent/EP2196081A1/fr
Application granted granted Critical
Publication of EP2196081B1 publication Critical patent/EP2196081B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4681—Meshes of intersecting, non-woven, elements

Definitions

  • the invention relates to a screen, comprising at least webs whose web surfaces are normal to the screen surface, and profiles. Their profile surfaces preferably extend at least partially parallel to the screen surface.
  • Such screens in which the webs and the profiles mostly made of metal strips, preferably made of steel strips, are made in the prior art so that both in the webs and in the profiles incisions are incorporated in each case from one side, in which the each other elements are inserted, similar to cover grids of manholes or other openings.
  • the intersecting elements are connected by welding points at the joints.
  • the size of the available welding head determines the smallest possible sieve opening, since the welding points can not be provided on one of the two sieve surfaces, but in the not very high, but because of the mesh size difficult to access, middle area of the sieve.
  • the angle of sections or parts of the profiles to the screen surface can also be 90 °, so that the profiles and the webs form rectangular cuboids. As far as possible possible mesh size rectangles are to be mentioned with about 33 mm edge length.
  • a modification of such screens in which the screen surface forms a cylinder jacket is from the EP 1 163 835 A as a separator for combine harvester known.
  • rake-like, angled structures are mounted in the direction of the generatrix of the cylinder jacket between cheeks and through it patch, suitably bent curved round rods extending in the circumferential direction of the cylinder jacket, a support surface for the overlying layer of material is formed.
  • This construction is suitable for the separation of straws, etc., but not for bulkier goods.
  • the invention has the object to provide a sieve of the aforementioned construction with such smaller sieve openings available.
  • these goals are achieved in that in the webs on all sides enclosed recesses or openings are provided whose cross section corresponds to the cross section of the profiles of the shape and size, and that the profiles are pushed laterally into the recesses of the webs.
  • screen surface so that not only the surface formed by the uppermost points of the webs and / or profiles, which may be flat, but possibly also cylindrically curved, is meant, but all parallel surfaces, there the term in the description and the claims serves only as a reference to indicate the position and orientation of the webs or profiles. It could also be used the area, which is defined by the centers of gravity of the individual webs and profiles, and which runs parallel to the surface according to the first definition in a technically sufficient extent. In the knowledge of the invention, it is easy for the skilled person to set the screen area for each design case in the most favorable manner.
  • Fig. 1 and 2 how from the cohesion of Fig. 1 and 2 it can be seen, in a frame consisting of modified webs and profiles, the webs and profiles actually forming the screen are put together.
  • the profiles 3 are substantially normal to the longitudinal extent of the webs, thus normal to the representation plane.
  • the plane of the sieve is defined by this structure can be considered either as the "top" level 10 or as a parallel plane passing, for example, in the middle of the height of the screen, for the invention, this does not matter.
  • the web surfaces are normal to the screen plane; the longitudinal axes of the webs are parallel to the screen surface.
  • the structure of the screen 1 is now essentially the following: In two frame parts 4 and 5, which are normal to S direction and thus form the front and rear boundary of the screen 1, recesses 6, 6 'are provided, in which the various mechanical reasons slightly different from each other having dimension, but in their entirety each with 2 or 2 'designated webs are inserted. At the left and at the right end of the screen side parts 7 are connected to the frame parts 4 and 5. Thus, all webs 2, 2 'in place and the frame of the screen 1 is complete.
  • These recesses should absorb the profiles play as possible to improve the mechanical stability, which is achieved in that the recesses correspond to the contour or cross-section of the profiles in shape and size. Then the profiles 3 are welded to the two side parts 7 from the outside and fixed so.
  • the sieve direction S extends in the direction of the webs 2, 2 '
  • the mechanical stress of the webs 2 in the direction of the profiles 3 is generally only small and does not damage the screen.
  • the recesses 9 are then formed accordingly, it is important that they are completely within the surface of the webs 2, 2 'in these cases ..
  • the screen lining receives a seal of the numerous, albeit small, gaps resulting from the plug-in system, and thus also prevents the hanging of various materials such as wires , Threads, ribbons and the like.

Landscapes

  • Combined Means For Separation Of Solids (AREA)
EP09450233A 2008-12-12 2009-12-09 Crible Not-in-force EP2196081B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09450233T PL2196081T3 (pl) 2008-12-12 2009-12-09 Sito

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0194108A AT506941B1 (de) 2008-12-12 2008-12-12 Sieb

Publications (2)

Publication Number Publication Date
EP2196081A1 true EP2196081A1 (fr) 2010-06-16
EP2196081B1 EP2196081B1 (fr) 2011-11-16

Family

ID=41480276

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09450233A Not-in-force EP2196081B1 (fr) 2008-12-12 2009-12-09 Crible

Country Status (3)

Country Link
EP (1) EP2196081B1 (fr)
AT (2) AT506941B1 (fr)
PL (1) PL2196081T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2412451A1 (fr) 2010-07-29 2012-02-01 IFE Aufbereitungstechnik Gmbh Crible
AT511437B1 (de) * 2012-01-04 2012-12-15 Ife Aufbereitungstechnik Gmbh Sieb

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004404A (en) 1976-03-01 1977-01-25 Sperry Rand Corporation Rotary combine with improved concave
US5394600A (en) * 1994-02-14 1995-03-07 Chen; Chao-Ho Method for making a screen
EP1163835A1 (fr) 2000-06-15 2001-12-19 CLAAS Selbstfahrende Erntemaschinen GmbH Dispositif de séparation pour moissonneuses-batteuses

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004404A (en) 1976-03-01 1977-01-25 Sperry Rand Corporation Rotary combine with improved concave
US5394600A (en) * 1994-02-14 1995-03-07 Chen; Chao-Ho Method for making a screen
EP1163835A1 (fr) 2000-06-15 2001-12-19 CLAAS Selbstfahrende Erntemaschinen GmbH Dispositif de séparation pour moissonneuses-batteuses

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2412451A1 (fr) 2010-07-29 2012-02-01 IFE Aufbereitungstechnik Gmbh Crible
AT511437B1 (de) * 2012-01-04 2012-12-15 Ife Aufbereitungstechnik Gmbh Sieb
AT511437A4 (de) * 2012-01-04 2012-12-15 Ife Aufbereitungstechnik Gmbh Sieb

Also Published As

Publication number Publication date
AT506941A4 (de) 2010-01-15
AT506941B1 (de) 2010-01-15
ATE533351T1 (de) 2011-12-15
PL2196081T3 (pl) 2012-04-30
EP2196081B1 (fr) 2011-11-16

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