EP1362638B1 - Broyeur pour le broyage de matériau - Google Patents

Broyeur pour le broyage de matériau Download PDF

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Publication number
EP1362638B1
EP1362638B1 EP03009495A EP03009495A EP1362638B1 EP 1362638 B1 EP1362638 B1 EP 1362638B1 EP 03009495 A EP03009495 A EP 03009495A EP 03009495 A EP03009495 A EP 03009495A EP 1362638 B1 EP1362638 B1 EP 1362638B1
Authority
EP
European Patent Office
Prior art keywords
rotor
grid
chopping
grate
material outlet
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 - Lifetime
Application number
EP03009495A
Other languages
German (de)
English (en)
Other versions
EP1362638A1 (fr
Inventor
Robert Höll
Christian Lanner
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.)
UNTERWURZACHER PATENTVERWERTUNGSGESELLSCHAFT mbH
Original Assignee
UNTERWURZACHER PATENTVERWERTUNGSGESELLSCHAFT mbH
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 UNTERWURZACHER PATENTVERWERTUNGSGESELLSCHAFT mbH filed Critical UNTERWURZACHER PATENTVERWERTUNGSGESELLSCHAFT mbH
Priority to AT03009495T priority Critical patent/ATE331566T1/de
Publication of EP1362638A1 publication Critical patent/EP1362638A1/fr
Application granted granted Critical
Publication of EP1362638B1 publication Critical patent/EP1362638B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/282—Shape or inner surface of mill-housings
    • B02C13/284—Built-in screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • B02C2023/165—Screen denying egress of oversize material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
    • B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
    • B02C2201/066—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage for garden waste

Definitions

  • the invention relates to a comminution machine for comminuting material, with a grinder having rotor, with a material outlet, and with a determined the exit size of the crushed material grate along a portion of the circumference of the rotor having the material outlet spanning parallel, curved grate bars, the are provided at the two ends with out of the curvature region led outward attachment projections, and between which through-passage gaps are formed.
  • the use of the material outlet is provided with a plurality of openings, if a desired exit size is to be ensured, since the openings are passed only by smaller material, while larger pieces conveyed back up and as long as a repeated comminution until they fall through the openings.
  • a major problem of perforated screens and gratings lies in the fact that the openings and gaps are not limited only by edge portions which extend in the circumferential direction, but inevitably have edge portions which extend transversely thereto. These edge portions are edges that prevent too large pieces of material that need to be conveyed back up from the rotor to slide the grate to the end. You can form obstacles that block the rotor, or are wrapped by the material, for example, if it is films or the like. These undesirable stresses require a more massive and expensive construction and considerably increase the risk of damaging the rotor or cutting tools of the rotor.
  • a crushing device of the type mentioned is known from US 5,931,396 A.
  • the outwardly bent ends of the grate bars are arranged on transverse bars which pass through the outlet channel near the side walls, so that the dimension of the material outlet given by the through-passage gaps is reduced. Material imposed on the crossbars can hinder the passage of further material and reduce the effectiveness of the comminution device.
  • US Pat. No. 4,544,104 A discloses a comminution device with a high-speed rotor, which is used to produce wood chips.
  • the wood chips are blown out via a tangential outlet opening.
  • the grate provided there comprises a support plate with extending in the direction of ejection, parallel ribs and grooves, and the material does not occur on the longitudinal side of the ribs but at the narrow side thereof.
  • the support plate prevents passage on the longitudinal side, so that such a construction can not be used as a side grate.
  • a grate with parallel, obliquely extending webs, which exert a shearing effect, is known from DE 138 672 C.
  • the webs are threaded onto three extending in the direction of the rotor axis rods.
  • the continuous oblique grate bars cause unfavorable promotion of the non-crushed material in the axial direction to one end, where it jams and the device loaded axially, so that the additional average transverse reinforcement is necessary.
  • each grate bar is releasably fixed by means of attachment extensions on machine-fixed support elements, which are outside the range of action of the grate and can not form an obstacle.
  • the distances between the grate bars are selectable, so that the grain size of the material to be shredded is determined by the number of mounted grate bars.
  • the attachment extensions preferably have frontally open, undercut grooves, in the hammerhead-like
  • Fastening elements such as threaded nuts are used.
  • the hole spacing determines the minimum desired passage gap when a grate bar is mounted at each hole. For wider passage gaps, one or more holes remain between the grate bars.
  • the rust formation according to the invention also eliminates the need for elaborate equipment to swing out the rust in case of disturbances, as is common in the prior art, so that not only the rust, but also the crushing machine is simpler.
  • the mutually parallel grate bars and the passage column may extend in the circumferential direction.
  • the wrapping path of the rotor has a sawtooth-like generatrix
  • the grate bars are arranged in at least two coulters with different distances to the rotor axis.
  • Such a design is given, for example, when the rotor has square cutting tools whose diagonals extend radially to the axis of rotation of the rotor.
  • the grate bars and the passage column can be arranged like a fishbone.
  • a crushing machine has a machine frame, in which below a hopper 23, for example, a support plate 3 constructed rotor 1 is rotatably mounted with a horizontal axis.
  • the rotor 1 has on the circumference of holder 11, which are held by means of screws 15 cutting teeth 12, for example, square indexable insert.
  • the rotor 1 is at the lower end of the hopper 23 a housing fixed counter blade 20 associated with a cutting edge of the rotor 1 adapted counter cutting edge 21, in the direction of rotation of the rotor 1, a material outlet 17 spanning grate 7 follows.
  • a secondary cutting bar 22 At the end of the grate 7 includes below the hopper 23 a secondary cutting bar 22.
  • a support bar 25 is vertically aligned, which has a horizontal row of holes 30, wherein at the material outlet 17 facing side of each hole 30 opens within a vertical groove 28.
  • a horizontally oriented support bar 26 is provided, which also has a series of holes 30.
  • the area of the rotor 1 belonging to the material outlet 17 comprises an angle of approximately 210 °, and the grate 7 provided in this area is formed of a plurality of mutually parallel grate bars 18 which are at an angle of approximately 150 ° to the trajectory of the cutting teeth 12 of the rotor 1 adapted curved and both ends are provided with attachment extensions 29.
  • the grate bars 18 are rectangular in cross-section, as shown in FIG.
  • Fig. 4 shows approximately in the middle kinked grate bars 18, which can be put together to a herringbone arrangement.
  • the attachment of the grate bars 18 can be made in a selectable, determinable by the holes 30 distance, which determines the width of the passage column 19 and thus the size of the crushed pieces of material.
  • the fastening extensions 29 are provided with frontally open, hammerhead-like undercut grooves 28, and in each groove 28 is a hammerhead-like fastener, such as a threaded nut used.
  • a fixing screw 27 is inserted into the corresponding hole 30 and screwed into the arranged in the grate bar 18 fastener.
  • the lower mounting area near the counter blade 20 is formed by a horizontal and an obliquely arranged bar to a conical fit for the corresponding beveled attachment extension 29 of the grate bar 18 so that the grate bars 18 are clamped.
  • Figs. 2 and 3 show an arrangement for a medium-sized crushing, wherein in each third hole 30 and each third groove 28, a grate bar 18 is arranged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Shovels (AREA)

Claims (4)

  1. Broyeur pour broyer des matériaux, avec un rotor (1) présentant des outils de broyage (12), avec une sortie pour les matériaux (17) et avec une grille (7) déterminant la taille de sortie du matériau broyé le long d'une partie du périmètre du rotor (1), qui présente des barreaux de grille (18) courbés parallèles les uns aux autres recouvrant la sortie pour les matériaux (17), lesquels barreaux de grille sont prévus aux deux extrémités avec des prolongements de fixation (29) guidés vers l'extérieur de la région de courbure et entre lesquels des fentes traversantes (19) sont formées, caractérisé en ce que chaque barreau de grille (18) est fixé de façon amovible aux éléments porteurs (25, 26) fixés à la machine à l'aide des prolongements de fixation (29), lesquels éléments porteurs se situent en dehors de la région d'action de la grille (7) et ne peuvent pas constituer d'obstacle.
  2. Broyeur selon la revendication 1, caractérisé en ce que l'écart entre les barreaux de la grille (18) peut être choisi librement.
  3. Broyeur selon la revendication 1 ou 2, caractérisé en ce que chaque prolongement de fixation (29) présente une rainure contre-dépouillée ouverte sur la face avant, dans laquelle est introduit un écrou à tête rectangulaire, et en ce que des éléments de support (25, 26) présentent respectivement une série de trous (30) à travers lesquels sont introduites les vis de fixation (27).
  4. Broyeur selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la courbe enveloppante du rotor (1) présente une génératrice en dents de scie, et en ce que les barreaux de grille (18) recouvrant la sortie pour les matériaux sont disposés dans au moins deux assemblages avec des écarts différents par rapport à l'axe du rotor.
EP03009495A 2002-05-08 2003-04-28 Broyeur pour le broyage de matériau Expired - Lifetime EP1362638B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT03009495T ATE331566T1 (de) 2002-05-08 2003-04-28 Zerkleinerungsmaschine zum zerkleinern von material

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT7172002 2002-05-08
AT7172002 2002-05-08

Publications (2)

Publication Number Publication Date
EP1362638A1 EP1362638A1 (fr) 2003-11-19
EP1362638B1 true EP1362638B1 (fr) 2006-06-28

Family

ID=29256056

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03009495A Expired - Lifetime EP1362638B1 (fr) 2002-05-08 2003-04-28 Broyeur pour le broyage de matériau

Country Status (3)

Country Link
EP (1) EP1362638B1 (fr)
AT (1) ATE331566T1 (fr)
DE (1) DE50304022D1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107413427A (zh) * 2017-08-31 2017-12-01 江苏天琦生物科技有限公司 一种药材粉碎装置
CN110090704A (zh) * 2019-05-06 2019-08-06 南通瀚蓝机械科技有限公司 一种旁通式破碎阀
CN110433912A (zh) * 2019-06-26 2019-11-12 重庆瀚渝再生资源有限公司 一种pcb板粗粉碎机
GB2605558B (en) * 2021-01-05 2023-07-05 Martin Andrew A mulcher

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE138672C (fr) *
DE2239099C3 (de) * 1972-08-09 1982-07-29 O & K Orenstein & Koppel Ag, 1000 Berlin Rostkorb für Hammerbrecher
DE3041270C2 (de) * 1980-11-03 1986-02-13 Th. Buschhoff AG Nachf. H. Buschhoff Söhne GmbH & Co, 4730 Ahlen Mahlsieb, insbesondere für Hammermühlen
SE448697B (sv) * 1982-04-01 1987-03-16 Kmw Erjo Ab Flishuggmaskin
CA2161610A1 (fr) * 1995-02-01 1996-08-02 Usman Firdaus Dechiqueteur
DE19547828A1 (de) * 1995-12-21 1997-06-26 Krupp Foerdertechnik Gmbh Verfahren und Vorrichtung zur Einstellung der maximalen Körnung von gebrochenem oder gemahlenem Stückgut
US6783090B2 (en) * 2000-11-15 2004-08-31 Diamond Z Manufacturing Bearing shear block

Also Published As

Publication number Publication date
ATE331566T1 (de) 2006-07-15
EP1362638A1 (fr) 2003-11-19
DE50304022D1 (de) 2006-08-10

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