EP2030692B1 - Broyeur de matière grossière - Google Patents

Broyeur de matière grossière Download PDF

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Publication number
EP2030692B1
EP2030692B1 EP08105028A EP08105028A EP2030692B1 EP 2030692 B1 EP2030692 B1 EP 2030692B1 EP 08105028 A EP08105028 A EP 08105028A EP 08105028 A EP08105028 A EP 08105028A EP 2030692 B1 EP2030692 B1 EP 2030692B1
Authority
EP
European Patent Office
Prior art keywords
rotor
blade
positioning carriage
carriage
knife
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 - Fee Related
Application number
EP08105028A
Other languages
German (de)
English (en)
Other versions
EP2030692A1 (fr
Inventor
Becker Udo
Böhlefeld Michael
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.)
AMNI MASCHINENBAU GmbH
Original Assignee
AMNI MASCHINENBAU 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 AMNI MASCHINENBAU GmbH filed Critical AMNI MASCHINENBAU GmbH
Publication of EP2030692A1 publication Critical patent/EP2030692A1/fr
Application granted granted Critical
Publication of EP2030692B1 publication Critical patent/EP2030692B1/fr
Expired - Fee Related 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
    • 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
    • B02C18/18—Knives; Mountings thereof
    • 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
    • B02C18/18—Knives; Mountings thereof
    • B02C2018/188—Stationary counter-knives; Mountings thereof

Definitions

  • the invention relates to a coarse shredder comprising a rotor fitted with knives and a stator body arranged with at least one adjustable by means of an adjusting device by the adjusting device in the direction of the rotor and in the direction away from the rotor, the adjusting device via a translationally movable relative to the rotor Setting slide and an actuating device for moving the carriage in the direction of the rotor towards and away from the rotor has and the knife is kinematically coupled to a movement of the carriage and the knife by means of one or more, positively against the.
  • Setting slide and the knife detachably connectable coupling members is connected to the adjusting slide.
  • Coarse shredders which are designed, for example, as granulators, have a rotor equipped with knives. These are so-called chopping knives, typically several chopping knives are arranged one behind the other in the direction of rotation of the rotor.
  • the knife arrangement of the rotor extends substantially over the entire longitudinal extent thereof.
  • the rotor blades act together with the blades of a stator body.
  • the stator is opposite the Rotational movement of the rotor held stationary.
  • the stator body carries one or more, arranged in a row parallel to the lateral surface of the rotor blades, which are typically formed in such shredders as a cutter bar.
  • the pointing against the direction of rotation of the rotor edge of such a knife serves as a cutting edge and acts in a crushing operation with the rotor blades for crushing the supplied goods together.
  • a coarse shredder occurs in the knives and especially in the or the stator knives wear with the result that increases the kerf between the rotor blades and the or the stator knives.
  • the wear on the or the stator knives is greater than in the rotor knives, since typically several are arranged in the rotational direction of the rotor one behind the rotor blades and thus one and the same stator knives represents the stator blades for several rotor blades.
  • coarse shredders have been developed which have a stator body, the blades of which can be readjusted by means of an adjusting device translationally in the direction of the rotor for compensating a cutting gap which increases in a comminuting operation.
  • a generic Grobstoffzerkleinerer is from the US B1-6,565,026 known.
  • stator bodies with translationally adjustable knives have an adjusting device which acts directly on the knives.
  • the adjusting device for example an adjusting spindle
  • the knife or knives can be moved in the direction of the rotor to compensate for the wear-increasing incision gap.
  • Such a knife rebuild is typically done manually.
  • special care must be taken to ensure that the stator knives or knives are not moved too far in the direction of the rotor, otherwise rotation of the rotor would be blocked.
  • a Statorverstell listening is described for a crusher, in which the stator blade can be moved in translational direction to the rotor and away from it.
  • This Statorverstell listening has a pressure and lag screw, a lever and an adjusting screw.
  • the pressure and lag screw is connected with a connector, which in turn produces the positive connection to the stator blade via screws.
  • the adjusting screw acts on the tension and compression screw by means of the integrated lever in a housing. This makes it possible to adjust the stator blade without loosening the preload on the blade.
  • the invention is therefore based on the object of further developing such a coarse shredder that while maintaining a possible in two directions stator blade adjustment not only simplifies the design of the knife but also a change of the same is simplified.
  • a generic Grobstoffzerkleinerer mentioned above, which is characterized in that a coupling member has two spaced apart and connected by a web coupling pin and the adjusting slide and the knife for connecting a coupling member each having a pin receiving.
  • This coarse shredder has an adjusting device, which comprises a translatory relative to the rotor movable carriage and an actuator for moving the carriage.
  • the adjusting slide is translationally movable by the actuating device in the direction of the rotor and in the direction away from the rotor.
  • the knife in turn is kinematically coupled to a movement of the carriage.
  • the motion conversion of a typically rotationally driven actuator in the translational movement direction to readjust the blade via the adjusting carriage takes place.
  • the adjustable with such an adjusting device knife can have a very simple geometry.
  • the knife is a wearing part, which must be replaced according to its wear. Not replaced However, in the context of a knife change, the adjusting carriage needs. Therefore, the knives for such a Grobstoffzerkleinerer are also inexpensive to manufacture.
  • the movement coupling of the knife to the adjusting carriage is carried out according to a preferred embodiment by two movement-transmitting mechanisms.
  • a thrust movement transmission of the carriage takes place on the knife by juxtaposition of two mutually facing shelves, one of which is assigned to the carriage and the other the knife.
  • a motion transmission takes place by an immediate pushing movement.
  • one or more coupling members are used as a motion-transmitting element or movement-transmitting elements, which are connected to the adjusting carriage.
  • These coupling members are detachably connected to the components to be joined together of the crusher - the adjusting slide and the knife - connectable.
  • the coupling members can in principle also a pushing movement of the adjusting slide are transmitted to the knife.
  • the coupling members would also have to be absorbed by the blow directed away from the rotor during operation of the coarse shredder via the knife in the translatory direction of the knife.
  • Such blows can be better absorbed when the knife with its back directly adjoins a footprint of the carriage.
  • the coupling members need only have such a stability that they are suitable for retracting the knife.
  • the coupling members may, if the adjusting slide with its footprint adjacent to the footprint of the knife, have a certain play in the coupling. However, this is irrelevant to the knife setting.
  • the coupling members may for example be formed by two spaced-apart and connected by a web coupling pin.
  • the adjusting slide and the knife for connecting a coupling member each have a pin receiving.
  • Such a coupling member can be readily used and released again. As a result, the effort that is necessary in the course of a blade change or in the course of a blade rotation is reduced to a minimum.
  • the pin receivers of the knife are designed as through holes. These are not only simple to manufacture, but then readily allow turning of such a knife.
  • a stator body has a plurality of such knives and a corresponding number of actuators, each knife an adjusting device is assigned.
  • each knife an adjusting device is assigned.
  • a coarse shredder 1 is in FIG. 1 schematized shown in the scope of its rotor 2 and its stator body 3. Not shown are all other elements, such as the frame in which the rotor 2 is mounted and on which the stator 3 is held.
  • the rotor 2 carries a plurality of knives 4, wherein in the illustrated embodiment in each case six in the circumferential direction with the same angular distance from each other arranged knife 4 are arranged one behind the other.
  • the stator body 3 itself is below the FIGS. 2 to 5 described in more detail.
  • the stator body 3 is pivotally arranged in a manner not shown.
  • FIG. 1 shows the stator in its position in a crushing operation.
  • the pivotable arrangement of the stator body is designed to be in the in FIG. 1 shown arrow direction can pivot when in the kerf S a non-crushable Contaminant is drawn. In such a case, the stator body 3 pivots counterclockwise with its stator blade, with the result that the cutting gap S is increased. This serves the purpose of avoiding damage to a contaminant entry.
  • the pivoting of the stator body 3 is torque-dependent. The stator body 3 pivots when exceeding a certain, acting on its knife 5 torque.
  • the stator body 3 carries as out FIG. 2 can be seen, a plurality of parallel to the lateral surface of the rotor 2 arranged knives 5. These knives 5 are cutter bar. For interacting with the knives 4 of the rotor 2 is used in each case the upwardly facing edge 6 of a stator blade. 5
  • the stator body 3 itself comprises in the illustrated embodiment, an angularly shaped base body 7, the top 8 represents the contact surface for the knife 5.
  • the front, facing the rotor 2 side of the body 7 is protected by a wear protection bracket 9. This consists of a particularly resistant material.
  • the base body 7 carries on its side facing away from the knife 5 side a retaining strip 10th
  • an adjusting device 11 For adjusting the rotor blade 5 with respect to the kerf S, an adjusting device 11 is used, which has a positioning carriage 12 and an actuating device 13.
  • the adjusting carriage 12 is translationally displaceable on the serving as a footprint top 8 of the body 7 in the direction indicated by the double arrow directions. This movement is directed in one direction towards the rotor 2 and in the other direction away from the rotor 2.
  • the actuator 13 is used to move the carriage 12 in these directions.
  • the actuator 13 is designed as a spindle drive, as this below to the Figures 3 and 5 is described.
  • Each stator blade 5 is assigned an adjusting device 11 with a positioning carriage 12. At the adjusting carriage 12, the stator blade 5 via two coupling members 14, of which in FIG.
  • the knives 5 are fixed by a respective pressure plate 17, which in the illustrated embodiment only on the front region of each Knife 5 works.
  • Each pressure plate 17 has a recess for the coupling members 14 on the underside. Pressure is exerted on the blades 5 is achieved in that the pressure plate 17 is supported with its front end on the stator blade 5 and with its rear end on a shoulder 19 of the retaining strip 10. Thus, the pressure plates 17 are held in the manner of a two-point storage and jam the parking carriage 12 is basically not.
  • two dowel pins 20 introduced into the shoulder 19 of the retaining strip 10 are provided, which engage in the underside of each pressure plate 17. In this position, the pressure plate 17 is supported on the back of the retaining strip 10.
  • the spindle drive 13 has a stationary, the retaining strip 10 by cross-spindle 21 which protrudes with a threaded portion 22 from the retaining strip 10 in the direction of the rotor-side termination of the base body 7. This threaded portion 22 is screwed into the back of the carriage 12.
  • the spindle drive further comprises a spindle nut 24 arranged in a bearing housing 23 (cf. FIG. 5 ), which is supported with the interposition of a pressure and sliding bearing on the back of the retaining strip 10. Outside the bearing housing 23 24 key surfaces 25 are formed on the spindle nut.
  • the spindle drive 13 can be actuated by means of the spindle nut 23. This leads to a translational movement of the spindle 21.
  • the spindle nut 24 is set after setting the cutting gap S.
  • a capsule tube 27 Formed on the lock nut 24 is a capsule tube 27 in which the over the lock nut 26 beyond section of the spindle 21 is received (see also FIG. 5 ).
  • each carriage To support the rear of the carriage 12 serve each carriage two pressure screws 28, which are supported with their feet 29 on the back of the carriage 12.
  • Each pressure screw 28 passes through the retaining strip 10 and a threaded plate 30 which is inserted into a recess of the retaining strip 10.
  • a locknut 31 is used to fix each set pressure screw 28.
  • the knife 5 and the adjusting slide 12 each have a pin receptacle 32 and 33, which are each formed as a sweeping holes.
  • the pin receivers 32, 33 serve to receive in each case a coupling pin 34 or 35 of a coupling member 14.
  • a coupling member 14 is shown in an enlarged view in FIG FIG. 4 shown.
  • the two coupling pins 34, 35 are connected to each other by means of a web 36.
  • the web 36 is formed so that it can be transmitted via this primarily a train of the adjusting carriage 12 on the knife 5.
  • the coupling pins 34, 35 have a circular cross-sectional area and fit with play in the pin receivers 32 and 33, respectively.
  • the distance of the pin receivers 32, 33 or the coupling pins 34, 35 to each other is provided such that in a pushing operation of the spindle drive 13 of the adjusting carriage 12 rests with its pointing to the blade 5 footprint 15 at the back of the blade 5.
  • This game allows easy release and insertion of the coupling members 14 for kinematic connection of a knife 5 to a translational movement of the carriage.
  • the webs 36 lie with its underside on the top of the carriage 12 and the knife 5, as in FIG. 2 shown on.
  • the pressure plates 17 carry at a corresponding point in the direction of movement of the carriage 12 and the knife 5 extending recess in which the coupling members 14 are movable in the direction of movement of the blade 5.
  • the clear width of these introduced into the bottom of the pressure plates 17 guides corresponds to the width of the webs 36 of the coupling members 14 and are slightly larger in order to ensure the desired mobility of the coupling members 14 in the recesses.
  • the adjusting carriage 12 has recesses on the underside, so that passport springs P are guided in a corresponding manner, as the coupling members 14 engage in the underside of the pressure plate 17.
  • the adjusting carriage 12 Since the adjusting carriage 12 is connected to the spindle drive 13 in a push-pull and tension-resistant manner and due to the above-described kinematic coupling of the blade 5 to the adjusting carriage 12, the blade 5 can be moved away from the rotor 2 in the direction of the rotor 2 by means of the spindle drive 13. As a result, a cutting splitting device is particularly easy to perform.
  • a blade change can be carried out with a few simple steps.
  • the two coupling members 14 are taken out of their position connecting the carriage 12 with the knife 5 position.
  • the knife 5 can be easily removed or turned. An assembly takes place in reverse order.
  • the stator blade is directly connected to a spindle drive, as in the FIGS. 2 to 5 described, connected.
  • a spindle drive as in the FIGS. 2 to 5 described, connected.
  • this knife is due to its connection to the spindle drive in translational direction towards the rotor and away from the rotor movable.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Claims (7)

  1. Broyeur de matière grossière comprenant un rotor (2) équipé de couteaux (4) et un corps de stator (3) disposé côté stator présentant au moins un couteau (5) pouvant être déplacé au moyen d'un dispositif de réglage (11) par translation par le dispositif de réglage (11) en direction du rotor (2) et à partir du rotor (2), le dispositif de réglage (11) disposant d'un chariot de réglage (12) déplaçable par translation par rapport au rotor (2) et d'un dispositif d'actionnement (13) pour le déplacement du chariot de réglage (12) en direction du rotor (2) et à partir du rotor (2) et le couteau (5) étant couplé par cinématique à un déplacement du chariot de réglage (12) et le couteau (5) étant raccordé au chariot de réglage (11) au moyen d'un ou plusieurs éléments de couplage (14) pouvant être raccordés de façon amovible par complémentarité de formes au chariot de réglage (12) et au couteau (5),
    caractérisé en ce que
    un élément de couplage (14) dispose de deux tenons de couplage (34, 35) espacés l'un de l'autre et reliés au moyen d'une barrette (36) et le chariot de réglage (12) ainsi que le couteau (5) présentent chacun un logement de tenon (32, 33) pour le raccordement d'un élément de couplage (14).
  2. Broyeur de matière grossière selon la revendication 1, caractérisé en ce que les logements de tenon (32, 33) du couteau (5) sont des perçages continus.
  3. Broyeur de matière grossière selon la revendication 1 ou 2, caractérisé en ce que le corps de stator (3) présente sur sa surface de mouvement (8) un ou plusieurs ressorts d'ajustement (P) pour le guidage d'un chariot de réglage (12), qui s'engagent dans des rainures de guidage conçues de façon complémentaire et appropriée du chariot de réglage (12).
  4. Broyeur de matière grossière selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les éléments de couplage (14) reposent avec leur barrette (36) sur le côté supérieur du chariot de réglage (12) ou du couteau (5) et une plaque de pression (17) est prévue pour la fixation d'un couteau (5), la plaque de pression (17) présentant côté inférieur des rainures de guidage correspondant aux barrettes (36) des éléments de couplage (14) pour la fixation par complémentarité de formes de la plaque de pression (17) dans le sens transversal au sens de déplacement du chariot de guidage.
  5. Broyeur de matière grossière selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'une ou plusieurs vis de pression (28) ajustables sont attribuées au corps de stator (3), vis dont la base (29) s'appuie sur le côté, opposé au couteau (5), du chariot de réglage (12).
  6. Broyeur de matière grossière selon la revendication 5, caractérisé en ce que les vis de pression (28) sont logées dans une plaque filetée (30) maintenue dans le corps de stator (3) et détachable de celui-ci.
  7. Broyeur de matière grossière selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le corps de stator (3) dispose de plusieurs couteaux (5) disposés dans une rangée parallèlement à la surface d'enveloppe du rotor (2) et dispose d'un nombre correspondant de dispositifs de réglage (11).
EP08105028A 2007-08-17 2008-08-12 Broyeur de matière grossière Expired - Fee Related EP2030692B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202007011572U DE202007011572U1 (de) 2007-08-17 2007-08-17 Grobstoffzerkleinerer

Publications (2)

Publication Number Publication Date
EP2030692A1 EP2030692A1 (fr) 2009-03-04
EP2030692B1 true EP2030692B1 (fr) 2010-07-28

Family

ID=38608679

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08105028A Expired - Fee Related EP2030692B1 (fr) 2007-08-17 2008-08-12 Broyeur de matière grossière

Country Status (4)

Country Link
US (1) US7703714B2 (fr)
EP (1) EP2030692B1 (fr)
AT (1) ATE475482T1 (fr)
DE (2) DE202007011572U1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008039841A1 (de) * 2008-08-27 2010-03-04 Ulma Packaging Technological Center, S. Coop Verpackungsmaschine mit Abfallschneider
DE102009008642A1 (de) * 2009-02-12 2010-08-26 Pallmann Maschinenfabrik Gmbh & Co. Kg Zerkleinerungswerkzeug sowie Zerkleinerungsvorrichtung mit einem solchen Zerkleinerungswerk
DE202009005340U1 (de) 2009-04-07 2009-06-04 Amni Maschinenbau Gmbh Zerkleinerer, insbesondere Grobstoffzerkleinerer
DE202014011091U1 (de) * 2014-04-30 2017-10-19 Betek Gmbh & Co. Kg Gegenschneide
DE102015005859B4 (de) * 2015-05-11 2018-03-08 Pallmann Maschinenfabrik Gmbh & Co. Kg Scheibenhacker zum Zerkleinern von stückigem Aufgabegut, insbesondere von Holz
PL3235571T3 (pl) * 2016-04-21 2019-05-31 Rapid Granulator Ab Zespół noża stałego
US11097282B2 (en) * 2018-06-22 2021-08-24 1167586 B.C. Ltd. Apparatus, method and system for wet or dry processing of plant material
DE102019116945A1 (de) 2019-06-24 2020-12-24 Betek Gmbh & Co. Kg Gegenschneide
EP4316664A1 (fr) * 2022-08-05 2024-02-07 Rapid Granulator AB Moulin broyeur

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4394983A (en) * 1981-03-02 1983-07-26 Kaca Corporation Tire and refuse shredder
US5060875A (en) * 1990-06-04 1991-10-29 Nelmor Company, Inc. Granulator knife
US5452860A (en) * 1993-01-19 1995-09-26 Williams; Robert M. Material reducing and shredding apparatus
US6565026B1 (en) 2001-08-28 2003-05-20 Specialty Grinding, Inc. Tire chopping apparatus
WO2005028113A1 (fr) * 2003-09-22 2005-03-31 Igor Plahuta Concasseur et procede d'exploitation de concasseurs
DE202005013719U1 (de) * 2005-08-31 2006-03-02 Knorr, Volker Statorverstelleinrichtung

Also Published As

Publication number Publication date
EP2030692A1 (fr) 2009-03-04
ATE475482T1 (de) 2010-08-15
DE202007011572U1 (de) 2007-10-18
US7703714B2 (en) 2010-04-27
DE502008001014D1 (de) 2010-09-09
US20090045276A1 (en) 2009-02-19

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