EP2986387B1 - Cylindre broyeur pour broyeur à cylindre - Google Patents

Cylindre broyeur pour broyeur à cylindre Download PDF

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Publication number
EP2986387B1
EP2986387B1 EP14718954.2A EP14718954A EP2986387B1 EP 2986387 B1 EP2986387 B1 EP 2986387B1 EP 14718954 A EP14718954 A EP 14718954A EP 2986387 B1 EP2986387 B1 EP 2986387B1
Authority
EP
European Patent Office
Prior art keywords
crushing
support plate
accordance
shaft
crushing roller
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.)
Active
Application number
EP14718954.2A
Other languages
German (de)
English (en)
Other versions
EP2986387A2 (fr
Inventor
Burkhard Petack
Thomas Stenzel
Marko Dr. SCHMIDT
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.)
Takraf GmbH
Original Assignee
MAN Takraf Fordertechnik 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 MAN Takraf Fordertechnik GmbH filed Critical MAN Takraf Fordertechnik GmbH
Priority to PL14718954T priority Critical patent/PL2986387T3/pl
Publication of EP2986387A2 publication Critical patent/EP2986387A2/fr
Application granted granted Critical
Publication of EP2986387B1 publication Critical patent/EP2986387B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • B02C4/30—Shape or construction of rollers

Definitions

  • the invention relates to a crushing roller for a roll crusher.
  • a roll crusher is understood to be any crusher which reduces the grain size of starting material by means of one or more rotating rolls or shafts and crushing tools arranged thereon. There are various constructive structures of crushing rollers known.
  • the crushing rollers are made in one piece and must be replaced after wear of the crushing tools as a whole.
  • crushing rollers are known in which the crushing tools are arranged in so-called crushing shells, wherein the crushing shells are detachably connected to the crushing roller. This makes it possible to change the breaking tools without a complete removal of the crushing roller. This is particularly advantageous because time and cost of maintenance can be reduced.
  • the breaking tools are designed as break chisel, which can be inserted into corresponding openings in the crushing roller.
  • a crushing roller is known in which on a circular cylindrical shaft, a tubular support plate is arranged, which has on its outer side protruding teeth or cores. Such a tooth has parallel side walls which extend from the support disk in the radial direction.
  • a cap is attached which at least partially surrounds the tooth on each of its non-shaft-facing surfaces. The cap contains a crusher and is attached to the tooth with screws.
  • Object of the present invention is to propose a crushing roller with variable positions of the crushing tools.
  • the terms axial, radial and in the circumferential direction refer to the shaft of the crushing roller.
  • the object is achieved in that between the crushing shells and the shaft at least one, releasably connected to this support disc is arranged.
  • the support disk is cylindrical in shape, wherein cylindrical means here that the support disk has the shape of a hollow cylinder, with an outer and an inner base surface. In this case, the outer and inner base area may differ, resulting in a varying wall thickness of the support disk.
  • a support disc according to the invention has means for releasable connection with a shaft in the cylinder interior and means for fixing crushing shells on the cylinder outer surface.
  • the axial length of a support plate is dependent on the specific application.
  • a support disk is provided, which carries all crushing tools of the crushing roller. However, it can also be arranged axially adjacent to each other a plurality of support plates.
  • By replacing the support disk (s) can advantageously be changed the configuration of the crushing roller.
  • it is possible to change the configuration of the crushing roller by relatively changing the circumferential position of the means for detachable connection with a shaft inside the support disc relative to the circumferential position of the means for fixing the crushing shells on the outer surface.
  • the intake behavior of the crusher can be easily changed without replacing the entire crushing roller.
  • the outer cross-sectional shape is an N-corner, in particular a pentagon, wherein a crushing shell is to be fastened on each outer surface of the N-corner.
  • the means for releasably connecting to a shaft an axial tongue and groove connection.
  • a groove or a spring is incorporated in the axial direction on the outside of the shaft and corresponding to the inner surface of the support disc.
  • the tongue and groove connection is able to transmit the drive torque of the crushing roller very well and is also easy to work in and inexpensive.
  • the inner cross-sectional shape of the support disc (s) is circular.
  • it is adapted to the standard waveform.
  • rectangular or star-shaped inner cross-sectional shapes of the support disks with corresponding shaft cross sections would also be possible. However, this is considerably more expensive.
  • the means for fixing the crushing shells on the support disc (s) are tongue and groove connections.
  • Threaded holes in the radial direction for fastening screws provided as fastening means of the crushing shells This tongue and groove joint has a parallelogram-shaped cross-sectional shape, wherein the acute angle of the parallelogram points in the direction of rotation.
  • the tangential refractive power generated by the inclination of the edge of the spring, a contact force of the crushing shell to the support disc does not have to be an extra component, but can also be an integral part of the support disk or the shaft. Particularly preferably, the spring is an integral part of the support disk.
  • the crushing shell with the support disk has a feather key in the circumferential direction, which receives axial forces.
  • a support disc has circumferentially distributed axially directed and continuous inner holes. Through these holes tie rods are guided and connected to a fixedly connected to the shaft fastener, in particular screwed.
  • the fastening means is, for example, a flange of the shaft with axial holes. As a result, the axially adjacent support disks are clamped together.
  • the axial inner holes can also be used to release the support disks of the shaft.
  • more holes can be provided in the axial direction particularly advantageous, which do not form a continuous hole in the installed state of the support disks.
  • the pressing is preferably done hydraulically.
  • a fixed and a movable bearing is provided for supporting the crushing roller.
  • the fastening element is arranged on the fixed bearing side.
  • the support disks on a multiple of grooves or springs as the corresponding grooves or springs on the shaft are so easy to change.
  • the pedestalsteckenden Brechm facedel have a circumferential groove in the whilstckenden area.
  • a corresponding hole is provided, in which a bolt is to be inserted, which engages in the inserted state in the circumferential groove and thereby holds the Brechm adoptedel in the crushing shell.
  • the refracting bits can rotate around themselves under load, thereby ensuring even wear.
  • FIG. 1 shows a shaft 1 of a crushing roller according to the invention with three support disks on which crushing shells 3 are mounted.
  • the shaft 1 is mounted on one side with a fixed bearing 11 and on the other side with a floating bearing 12.
  • the shaft 1 On the side of the fixed bearing 11, the shaft 1 further has a flange thirteenth
  • FIG. 3 shows a support plate 2 according to the invention partially with applied crushing shells 3, are inserted into the round shank chisel 4.
  • the support disks 2 have driving tongues 21 which receive the tangential refractive power and also serve to fix the crushing shells 3 on the support disks 2. Furthermore, the support disks 2 through holes 22 in the axial direction. Through these are in FIG. 2 led apparent tie rods 5 and braced against the flange 13 with nuts.
  • FIG. 4 shows by means of a side view of the cross-sectional profile of a support plate 2.
  • This has a pentagonal outer base with the same side lengths and a largely circular inner base.
  • On the outer base is to be fixed on each of the five sides of a crushing shell 3, for which a driver spring 21 is provided.
  • the driver spring 21 has the shape of a parallelogram, wherein the front side in the direction of rotation encloses the acute angle with the side surface of the support plate 2, whereby advantageously the tangential refractive power for pressing the refractive shell 3 on the Support disk 2 is used.
  • the axial holes 22 for passing the tie rods (5 in FIG. 2 ) can be seen.
  • axial holes 25 are used to release the support disks 2 of the shaft 1 by hydraulic pressure.
  • special hydraulic cylinders which are coupled together screwed into the holes of the support disks in front of the head. These cylinders have on the side of the piston rod an external thread on the cylinder tube. Since the stroke of the cylinder is limited, that is smaller than the existing Abdrückner the support disks themselves, pressure pins are inserted in the corresponding different lengths in their dimensions ascending as a piston rod extension into the holes.
  • two grooves 26 are arranged, which correspond to springs on the shaft 1. These serve to transmit the torque from the shaft 1 to the support disks.
  • FIG. 5 shows a crushing shell 3, which receives two round shank chisel 4, wherein in the figure only one round shank chisel 4 is visible, the other is directly behind it, as in FIG. 3 recognizable.
  • tooth fronts 32 are arranged in a largely radial direction, which are wedge-shaped and thereby support the secondary shearing.
  • tooth back plates 33 are arranged, which are also wedge-shaped, and the connection to the next, behind it arranged round shank chisel 4 creates a toothed intermediate web 34, which is also wedge-shaped.
  • 3 holes for performing a bolt 35 are arranged in the crushing shell, which represents a captive for the round shank chisel 4. To prevent slipping out of the bolt 35 whose ends are secured with nuts.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Road Repair (AREA)
  • Crushing And Pulverization Processes (AREA)

Claims (12)

  1. Disque de support cylindrique (2) destiné à un rouleau de concassage (1) comprenant des moyens de liaison amovible comportant un arbre à l'intérieur du cylindre et des moyens de fixation des coques de concassage (3) sur la surface extérieure du cylindre, dans lequel les moyens de fixation des coques de concassage (3) sont des liaisons à rainure et languette (21, 23), caractérisé en ce que la forme en section transversale extérieure est un angle n, particulièrement un pentagone, dans lequel une liaison à languette et rainure (21) ayant une forme en section transversale parallélogrammatique est disposée sur chaque côté de la surface extérieure, l'angle aigu du parallélogramme se présentant dans le sens de rotation.
  2. Disque de support cylindrique (2) selon la revendication 1, caractérisé en ce que le moyen de liaison amovible à un arbre (1) est une liaison axiale à rainure et languette.
  3. Disque de support cylindrique (2) selon la revendication 1, caractérisé en ce que la forme de la section transversale intérieure est circulaire.
  4. Disque de support cylindrique (2) selon la revendication 2, caractérisé en ce qu'une pluralité de clavettes et/ou de rainures réparties sur la circonférence sont prévues comme moyens de liaison amovible à un arbre.
  5. Disque de support cylindrique (2) selon l'une des revendications précédentes, caractérisé en ce que des trous filetés supplémentaires (24) sont prévus comme moyens de fixation pour les coques de concassage (3).
  6. Disque de support cylindrique (2) selon l'une des revendications précédentes, caractérisé en ce que le disque de support (2) présente des trous intérieurs (22) continus et dirigés axialement et répartis sur la périphérie.
  7. Rouleau de concassage comprenant au moins un disque de support (2) sebn l'une des revendications précédentes.
  8. Rouleau de concassage selon la revendication 7, caractérisé en ce que le disque de support (2) présente des trous intérieurs (22) continus et dirigés axialement et répartis sur la périphérie, à travers lesquels sont guidés des tirants d'ancrage (5) qui sont fixés, en particulier vissés, dans un élément de fixation, en particulier une bride (13), qui est reliée de manière fixe à l'arbre (1).
  9. Rouleau de concassage selon la revendication 8, caractérisé en ce qu'un palier fixe (11) et un palier libre (12) sont prévus pour le montage du rouleau de concassage, et le dispositif de fixation est disposé du côté du palier fixe.
  10. Rouleau de concassage selon l'une des revendications 7 à 9, caractérisé en ce que les disques de support (2) présentent de multiples rainures et/ou ressorts comme rainures et/ou ressorts correspondants sur l'arbre.
  11. Rouleau de concassage selon l'une des revendications 7 à 10, caractérisé en ce que les coques de concassage (3) sont disposées sur le(s) disque(s) de support (2) et présentent des ouvertures pour l'insertion de ciseaux de concassage.
  12. Rouleau de concassage selon la revendication 11, caractérisé en ce que les trépans de concassage à insérer sont des trépans à tige ronde (4) et présentent une rainure périphérique (41) dans la zone de la tige (la zone à insérer dans la coque de concassage (3)) et il est prévu dans la coque (3) un trou dans lequel doit s'insérer un boulon (35) qui, une fois inséré, s'enclenche dans la rainure périphérique (41) et maintient ainsi le trépan à tige ronde (4) dans la coque de concassage (3).
EP14718954.2A 2013-04-19 2014-04-16 Cylindre broyeur pour broyeur à cylindre Active EP2986387B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14718954T PL2986387T3 (pl) 2013-04-19 2014-04-16 Walec kruszący do kruszarki walcowej

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013207092.6A DE102013207092A1 (de) 2013-04-19 2013-04-19 Brechwalze für einen Walzenbrecher
PCT/EP2014/057727 WO2014170371A2 (fr) 2013-04-19 2014-04-16 Cylindre broyeur pour broyeur à cylindre

Publications (2)

Publication Number Publication Date
EP2986387A2 EP2986387A2 (fr) 2016-02-24
EP2986387B1 true EP2986387B1 (fr) 2019-06-12

Family

ID=50543576

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14718954.2A Active EP2986387B1 (fr) 2013-04-19 2014-04-16 Cylindre broyeur pour broyeur à cylindre

Country Status (6)

Country Link
EP (1) EP2986387B1 (fr)
CN (1) CN105228751A (fr)
CA (1) CA2909563C (fr)
DE (1) DE102013207092A1 (fr)
PL (1) PL2986387T3 (fr)
WO (1) WO2014170371A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111701660A (zh) * 2020-07-07 2020-09-25 常州市瑾瑜精密科技有限公司 一种自适应自动化粉碎机

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015206957B3 (de) 2015-04-17 2016-09-08 Takraf Gmbh Brechwalze für einen Brecher
DE102018207885B4 (de) 2018-05-18 2024-03-21 Flsmidth A/S Brechwalze und Verfahren zu deren Herstellung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996029149A1 (fr) * 1995-03-22 1996-09-26 Mmd Design & Consultancy Limited Concasseur de roches
EP1289663B1 (fr) * 2000-05-25 2007-01-10 PRECIMECA Société Anonyme Broyeur de dechets perfectionne, parties constitutives et procede de maintenance

Family Cites Families (11)

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Publication number Priority date Publication date Assignee Title
DE496116C (de) * 1930-04-14 Jakob Henke Dr Ing Aus einzelnen Ringen zusammengesetzte Zerkleinerungswalze
DE3371966D1 (de) * 1982-11-27 1987-07-16 Peak Pattern Co Comminuting apparatus
GB2288133B (en) * 1994-04-09 1997-09-03 Douglas Patrick J Crusher/shredder apparatus with removable working elements
AUPR082200A0 (en) * 2000-10-17 2000-11-09 Oldenburg Australasia Pty Ltd An apparatus
WO2003006165A1 (fr) * 2001-07-12 2003-01-23 Mmd Design & Consultancy Limited Ensemble capuchon
US7048218B2 (en) * 2003-11-26 2006-05-23 Michilin Prosperity Co., Ltd. Shredder blade made by punching and bending
CN2688382Y (zh) * 2004-03-11 2005-03-30 赵春青 辊筒齿板
CN201200902Y (zh) * 2008-05-30 2009-03-04 贵州莱利斯机械设计制造有限责任公司 对辊式破碎装置
CN201320475Y (zh) * 2008-12-24 2009-10-07 洛阳矿山机械工程设计研究院有限责任公司 一种齿辊式破碎机用辊齿
CN201329295Y (zh) * 2008-12-25 2009-10-21 陈茂莲 破碎机
CN102274773A (zh) * 2011-05-06 2011-12-14 煤炭科学研究总院唐山研究院 高强度可更换破碎齿

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996029149A1 (fr) * 1995-03-22 1996-09-26 Mmd Design & Consultancy Limited Concasseur de roches
EP1289663B1 (fr) * 2000-05-25 2007-01-10 PRECIMECA Société Anonyme Broyeur de dechets perfectionne, parties constitutives et procede de maintenance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111701660A (zh) * 2020-07-07 2020-09-25 常州市瑾瑜精密科技有限公司 一种自适应自动化粉碎机

Also Published As

Publication number Publication date
WO2014170371A3 (fr) 2015-04-16
CN105228751A (zh) 2016-01-06
CA2909563A1 (fr) 2014-10-23
PL2986387T3 (pl) 2019-11-29
DE102013207092A1 (de) 2014-10-23
WO2014170371A2 (fr) 2014-10-23
EP2986387A2 (fr) 2016-02-24
CA2909563C (fr) 2017-08-22

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