EP2598247A1 - Aube directrice pour un dispositif de broyage - Google Patents

Aube directrice pour un dispositif de broyage

Info

Publication number
EP2598247A1
EP2598247A1 EP11736097.4A EP11736097A EP2598247A1 EP 2598247 A1 EP2598247 A1 EP 2598247A1 EP 11736097 A EP11736097 A EP 11736097A EP 2598247 A1 EP2598247 A1 EP 2598247A1
Authority
EP
European Patent Office
Prior art keywords
bar
blow bar
base plate
guide vane
feed direction
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
EP11736097.4A
Other languages
German (de)
English (en)
Other versions
EP2598247B1 (fr
Inventor
Wolfgang Holzer
Ralf PÜSCHEL
Sven Zimmer
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.)
Siempelkamp Maschinen und Anlagenbau GmbH and Co KG
Original Assignee
Siempelkamp Maschinen und Anlagenbau GmbH and Co KG
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 Siempelkamp Maschinen und Anlagenbau GmbH and Co KG filed Critical Siempelkamp Maschinen und Anlagenbau GmbH and Co KG
Publication of EP2598247A1 publication Critical patent/EP2598247A1/fr
Application granted granted Critical
Publication of EP2598247B1 publication Critical patent/EP2598247B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/28—Shape or construction of beater elements
    • B02C13/2804—Shape or construction of beater elements the beater elements being rigidly connected to the rotor
    • 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
    • B02C13/02—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft
    • B02C13/06—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft with beaters rigidly connected to the rotor
    • B02C13/08—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft with beaters rigidly connected to the rotor and acting as a fan
    • 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
    • B02C13/20—Disintegrating by mills having rotary beater elements ; Hammer mills with two or more co-operating rotors
    • B02C13/205—Disintegrating by mills having rotary beater elements ; Hammer mills with two or more co-operating rotors arranged concentrically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
    • B27L11/005—Tools therefor

Definitions

  • the invention relates to a guide blade for a comminuting device, in particular a cutting device (eg for a knife ring cutter for cutting wood or the like) or for a stick mill, with at least one base plate and at least one exchangeable blow bar, which with a variable projection in a direction transverse to the beater bar longitudinal direction feed direction is fixed to the base plate beyond the base plate, wherein the beater bar is fixed by a terminal strip on the base plate by the terminal block is clamped with one or more fasteners with intermediate circuit of the beater bar against the base plate ,
  • a cutting device eg for a knife ring cutter for cutting wood or the like
  • a stick mill with at least one base plate and at least one exchangeable blow bar, which with a variable projection in a direction transverse to the beater bar longitudinal direction feed direction is fixed to the base plate beyond the base plate, wherein the beater bar is fixed by a terminal strip on the base plate by the terminal block is clamped with one or more fasteners with intermediate circuit of the
  • Such a vane is z. B. for cutting devices, in particular used in Messerringzerspanern, where the raw wood in particular as bulk material, eg. B. is supplied in the form of wood chips.
  • a knife ring cutter has an (outer) rotating knife ring and a pinion wheel also driven in rotation within the knife ring, which is also referred to as a rotor.
  • the invention also relates to machines in which the knife ring does not rotate. While on the (outer) blade ring, the blades are attached to the (inner) Schlägerrad guide vanes of the type described above are attached, which spin the Au to be machined to the outside Shen on the Messerri ng.
  • the vanes or their base plates are equipped with blow bars, which are replaceable as wear parts.
  • the quality of the chips produced is largely dependent on a constant gap size between knives on the one hand and blow bars on the other hand. It is therefore not only necessary for a Messerringzerspaner nachzuschleifen the blades of the knife ring regularly
  • blow bars of the racquet wheel must be regularly reworked and / or reset. It is particularly important that the supernatant of the blow bar can be easily and accurately adjusted beyond the base plate in a direction transverse to the blow bar longitudinal direction of feed.
  • the fastening bolts can be loosened first, the blow bar removed and reground on a grinding machine. Subsequently, the blow bar can be inserted again in a position higher by a profile step position between the mounting plate and the guide vane, so that the racket wheel is ready for a new operating cycle after appropriate fixation.
  • a disadvantage of this solution is that the supernatant is adjustable only in relatively coarse steps, so that it lacks the possibility of a fine adjustment.
  • DE 33 34 783 discloses a beater wheel or a beater rotor with guide vanes, which are each equipped with a replaceable beater bar of high-quality tool steel, which interact with knives of the blade ring concentrically surrounding the beater rotor and are exposed to heavy wear , To attach the blow bar to the vanes, these are provided on their pointing in the direction of rotation of the racket rotor side with a groove.
  • This groove extends parallel to the axis of the racquet rotor and receives the attached to the beater bars part of a form-fitting holder which holds the impact strips on the vanes in the radial direction by the fact that abutment surfaces mounted on the beater bar are supported on the radially outer side wall of the groove ,
  • the groove is covered by a protective plate which is fastened by means of second clamping screws to the guide vane under the prestress of compression springs and which in this way fixes the impact plate in the axial direction by means of frictional engagement.
  • the form-fitting holder may be adjusting screws which are supported in operation with their end faces on the outer side wall of the groove provided in the guide vane and effect in this way the positive locking holder.
  • the invention not only relates to blades for knife ring chippers, but also to vanes for rackets in which the racket wheel is also provided with vanes, also referred to as strike plates. Interchangeable blow bars are also attached to these vanes or impact plates.
  • the racquet is usually from an annular grinding track, z. B. Concentric grinding path with radial grinding gap distance.
  • Such a racket mill is generally used for fine comminution of (pre-shredded) substances. These may be substances of different materials, such. As wood or other renewable resources, but also from plastics or other materials.
  • racket mills are known for example from DE 26 20 797 C2, DE 33 17 144 C1 and DE 41 01 352 C1.
  • the invention has for its object to provide a guide vane for a crushing device, in particular for a Messerringzerspaner or a racquet mill or for a racquet wheel of such a Messerring- zerspaners or a racquet mill, which allows for a simple and stable structure optimum adjustment of the supernatant of the blow bar ,
  • the invention teaches in a generic Leitschaufei for a crushing device, in particular for a Messerringzerspaner for cutting wood or for a racquet mill that the terminal block is displaceable by means of at least one adjusting element along the feed direction to change the supernatant of the blow bar
  • the adjusting element is preferably designed as a rotatable Exzenterstellelement.
  • the invention is initially based on the recognition that the adjustment of the supernatant by means of a suitable control element, for. B. Exzenterstellieris is expedient to realize a continuous adjustment.
  • This actuator, z. B. eccentric actuator engages within the scope of the invention, however, not directly on the blow bar itself, but on a separate terminal block, wherein the blow bar itself is clamped between terminal block and base plate. This can be dispensed with holes, slots or the like in the field of blow bar, so that in particular notch effects are avoided by drilling in the blow bar. Also, threads or the like need not be introduced into the blow bar, since the fixation is done using the still existing terminal block. Nevertheless, on the actuator, z. B.
  • Bonding of the terminal block with the blow bar means in this context a positive connection at least in the feed direction or along the feed direction.
  • a form-fitting connection between the terminal strip on the one hand and the blow bar on the other hand (along the feed direction) can be realized, for example, that the terminal strip on the back strip facing the back has at least one projection or a nose-like projection, which with respect to the feed direction form-fitting in at least one corresponding recess (eg groove) in the terminal strip facing the front of the beater strip engages.
  • the blow bar on its front side have at least one projection, while the terminal block has a corresponding recess on its back.
  • the recess and / or the projection may extend over the entire length of the beater bar or over substantially the entire length of the beater bar.
  • the length or longitudinal direction of the beater bar extends across the width of the beater wheel and thus parallel to the axis of the beater wheel.
  • the projections and depressions may be matched in their dimensions to one another such that the projection can penetrate into the depression at different depths. This can be useful if the terminal strip is moved slightly transverse to the feed direction in the course of adjustment. Because the eccentric is optionally not only rotated in the course of rotation, but also moved transversely to the feed direction and consequently along the axis of the bolt.
  • the terminal block on its back and the blow bar on their front each have at least one recess, between terminal strip and blow bar at least a separate form-locking connection element is arranged, which relative to the feed direction both in the recess of the blow bar and engages positively in the recess of the terminal block.
  • This embodiment has the advantage that neither the blow bar nor the terminal strip must have a protruding over the back or front projection, but that only depressions are provided. This facilitates the production, since overall work is done with less material removal. Because it is not necessary to ablate almost the entire back of the terminal strip to produce a projection. In this case, however, then a separate positive locking element is required, which produces the positive connection (relative to the feed direction) between the terminal block and blow bar.
  • the eccentric actuating element preferably has an end-side eccentric, which (for example in one piece) to a first end of a bolt, for. B. a cylindrical or pin-like bolt is connected.
  • the eccentric which can also be referred to as an eccentric head, then engages in a recess on the back of the clamping strip, so that in the course of the rotation of the eccentric, z. B. by rotation of the bolt, the terminal strip is moved along the feed direction.
  • the z. B. cylindrically or pin-like pin is connected to the first end of the eccentric itself, preferably passes through
  • the eccentric adjusting element at the second end of the bolt which projects from the rear side of the opening of the base plate, has an actuating connection to which a tool can be connected.
  • This actuating connection can be used, for example, as a polygonal connection, for. B. square connection be formed.
  • the eccentric can z. B. with a locking means, preferably a nut or lock nut, z. B. a self-locking nut, be locked. In this case, however, this lock is usually only the locking of the adjustment itself.
  • the bolt, at one end of the eccentric is connected, at least partially formed as a steep taper.
  • the opening in the base plate is then adapted in shape to this steep cone. It is advantageous in this embodiment, that in the course of adjusting the eccentric no self-locking occurs, so that the Exzenterstellelement is always easily solvable.
  • the subject of the invention is also a rotatably drivable racket wheel for a knife ring chipper with a plurality of vanes of the type described.
  • the vanes described are consequently provided in particular also in combination with a racket wheel for a knife ring chipper under protection.
  • the guide vanes according to the invention are fixed in a manner known per se on the outside circumference of the beater wheel and oriented in the radial direction, so that the feed direction of the beater bars extends in the radial direction of the beater wheel.
  • the knife ring can be driven in rotation.
  • the invention also includes embodiments in which the blade ring does not rotate.
  • a Messerringzerspaner with at least one such rotatably driven racquet with multiple vanes object of the invention.
  • the invention is not limited to blades for cutting devices, but also includes vanes for a racquet mill, with which not only wood or other renewable resources, but also other materials can be crushed.
  • the invention is therefore also a rotatably drivable Schlägerrad for a crushing device, for.
  • the vanes described are therefore in particular in combination with a racquet wheel for a racquet mill under protection.
  • the guide vanes according to the invention are attached in a manner known per se on the outside circumference of such a beater wheel and oriented in the radial direction, so that the feed direction of the beater bars in the radial direction of the beater wheel.
  • the invention also relates to a racket mill with at least one such rotatably driven racket wheel with a plurality of vanes.
  • the use of the guide vanes for a racquet mill is therefore also of particular importance.
  • FIG. 3 shows the club wheel according to FIG. 2 in a side view
  • FIG. 4 shows a section A-A through the object according to Fig. 3,
  • Fig. 5 shows a detail X of the article according to Fig. 4
  • Fig. 6 shows a modified embodiment of the article according to
  • FIG. 7 shows a further embodiment of the article according to FIG. 5
  • a cutting machine in the embodiment as Messerringzerspaner for the cutting or crushing of wood, in particular for the production of wood chips or the like material is shown.
  • a housing 1 on the one hand, a rotating (outer) blade ring 2 and on the other hand arranged a rotating within the blade ring 3 beater. Both the knife ring 2 and the beater wheel 3 are driven by suitable shafts. Details are not shown.
  • knife ring 2 on the one hand and beater wheel 3 on the other hand rotate in opposite directions.
  • Fig. 1 shows the Messerringzerspaner frontally open housing, so that in particular the beater wheel 3 is visible inside.
  • the wood is used as bulk material, eg. B. supplied in the form of wood chips. It passes through an upper feed chute 4 and a corresponding front-side deflection 5 in the interior of the Messerringzerspaners and consequently in the inner space formed within the Schlägerrades 3.
  • the beater wheel 3 has a multiplicity of guide vanes 6, which are fastened to the beater wheel 3 on the outside circumference and oriented in the radial direction R.
  • the guide vanes 6 are fastened between two cover plates 7, 8, which are formed in the embodiment as annular cover plates 7, 8.
  • the front cover disk 8 is generally annular, so that the wood can be fed into the interior.
  • the two cover disks 7, 8 are consequently firmly connected to one another by the guide vanes 6, which are arranged in the shape of a ring.
  • the direction of rotation of the beater wheel 3 is indicated by an arrow P. In the course of the rotation of the beater wheel 3, the centrally entering material becomes radial
  • the vanes 6 each have a base plate 9 and a replaceable blow bar 10.
  • the blow bar 10 is attached to the base plate 9 with a variable projection s, so that the blow bar 10 projects beyond this projection over the base plate, in a direction transverse to the blow bar longitudinal direction L extending feed direction V.
  • the beater bar longitudinal direction L thus corresponds to the longitudinal direction of the guide vane itself and this longitudinal direction extends along the width of the knife ring and consequently parallel to the axis A of the knife ring.
  • the feed direction V extends in the radial direction R.
  • blow bars 1 0 are in each case fastened by means of a clamping bar 1 1 to the base plate 9 of the guide blade by the clamping strip 1 1 with a plurality of fastening means 12 (screws) with interposition of the blow bar 10th is braced against the base plate 9. Consequently, there is no "direct” attachment of the blow bar 1 0 to the base plate 9, but as it were an "indirect” attachment, so that in particular thread, holes or the like in the field of bar strip 10 is omitted.
  • three screws 12 are shown in each case, but basically only two screws per vane can be used.
  • the terminal block 1 1 by means of at least one rotatable Exzenterstellimplantations 13 along the feed direction V is displaceable.
  • Positive connection means a positive connection at least in the feed direction V and consequently in the radial direction R.
  • the terminal strip 1 1 in the embodiment of FIG. 5 on the bar 10 facing back 15 at least one projection 16, which - relative to the feed direction V - positively in at least one corresponding recess 17 in the Terminal strip 1 1 facing front 18 of the terminal block 1 1 engages.
  • Fig. 5 is still a second recess 19 can be seen, which is arranged on the other side of the blow bar, in this case the back 20.
  • This recess 19 has no function in the illustrated functional position. It is clear, however, that the blow bar 10 can be rotated by 180 ° after appropriate wear, so that then the rear recess 19 can cooperate as a front recess with the corresponding projection of the terminal block 1 1.
  • Terminal strip 1 1 can be realized. Problems that have been observed with impact bars with holes and / or threads by notch effect, do not occur. Unwanted "breaking points" are avoided. This is particularly important because the blow bar is made in practice of high strength, hardened steel.
  • the terminal strip itself can easily be provided with holes, threads, etc. Here you can work with simple steel or structural steel.
  • FIG. 6 shows a comparison with FIG. 5 modified embodiment, in which both the terminal block 1 1 on its back 15 and the blow bar 1 0 on its front side 18 each have a recess 17, 17 'have. Between terminal strip 1 1 and blow bar 10, a separate positive locking element 21 is then introduced, which engages both in the recess 17 and in the recess 17 'and thus produces the required form fit.
  • the Exzenterstellelement 13 is composed on the one hand from the eccentric 14 and on the other hand, the bolt 22 which is formed like a pin. At the first end 23 of this pin 22 of the eccentric 14 is integrally connected. The bolt 22 passes through a corresponding opening 25 of the base plate. At the second end 24, the bolt 22 on an actuating terminal 26, which in the embodiment as a polygon, z. B. square connection, so that at this operating terminal 26, a tool is connected to rotate the (one-piece) Exzenterstellelement 13 and thus the eccentric 14 and thus to position the terminal block and consequently also the blow bar 10 along the Voschubraum V, so that the supernatant s is adjustable.
  • the Exzenterstellelement 13 is locked by means of a locking means 27.
  • a locking means 27 In the exemplary embodiment is a nut 27, namely a self-locking nut 27.
  • FIG. 7 shows a modified embodiment in which the pin 22 of the eccentric actuating element 13 does not have a cylindrical cross-section, but is formed in sections as a steep taper 28. For a self-locking is avoided, so that the Exzenterstellelement 13 is always easily solvable.
  • the guide blade 6 is equipped with an additional wear plate 29, which is fastened to the base plate 9 below the clamping strip 11.
  • FIG. 1 The figures illustrate the invention by way of example with reference to a knife-edge cutter. However, the illustrated vanes may be used in an identical or comparable manner on a racquet wheel for a racquet mill.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

L'invention concerne une aube directrice (6) pour un dispositif de broyage, en particulier pour une déchiqueteuse à couronne de lames ou pour un concasseur à marteaux fixes, comportant au moins une plaque de base (9) et au moins un battoir (10) interchangeable, qui est fixé sur la plaque de base (9) avec un porte-à-faux modifiable (s) au-delà de la plaque de base (9) dans une direction d'avancement (V) s'étendant transversalement à la direction longitudinale (L) du battoir, le battoir (10) étant fixé sur la plaque de base (9) au moyen d'une barrette de serrage (11) par le fait que la barrette de serrage (11) est serrée par un ou plusieurs moyens de fixation (12) contre la plaque de base (9) avec intercalation du battoir (10). Selon l'invention, afin de modifier le porte-à-faux (s) du battoir (10), la barrette de serrage (11) peut être déplacée le long de la direction d'avancement (V) au moyen d'au moins un élément de réglage rotatif, par exemple au moyen d'un élément de réglage excentrique (13), la barrette de serrage (11) étant reliée par complémentarité de forme au battoir (10) de telle sorte que le battoir (10) est, au cours du déplacement de la barrette de serrage (11), déplacé avec la barrette de serrage (11) le long de la direction d'avancement (V).
EP11736097.4A 2010-07-27 2011-07-26 Aube directrice pour un dispositif de broyage Not-in-force EP2598247B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010036650 DE102010036650A1 (de) 2010-07-27 2010-07-27 Leitschaufel für eine Zerspannungsvorrichtung
PCT/EP2011/062792 WO2012013653A1 (fr) 2010-07-27 2011-07-26 Aube directrice pour un dispositif de broyage

Publications (2)

Publication Number Publication Date
EP2598247A1 true EP2598247A1 (fr) 2013-06-05
EP2598247B1 EP2598247B1 (fr) 2014-05-14

Family

ID=44629011

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11736097.4A Not-in-force EP2598247B1 (fr) 2010-07-27 2011-07-26 Aube directrice pour un dispositif de broyage

Country Status (4)

Country Link
EP (1) EP2598247B1 (fr)
CN (1) CN102985183B (fr)
DE (1) DE102010036650A1 (fr)
WO (1) WO2012013653A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013206275A1 (de) * 2013-04-10 2014-10-16 Panel Board Holding Bv Verfahren und Vorrichtung zum Zerkleinern
DE102013217164A1 (de) * 2013-08-28 2015-03-05 Panel Board Holding Bv Zerkleinerungsvorrichtung
CN103465327B (zh) * 2013-09-27 2016-08-24 金华市捷特包装有限公司 用于环式刨片机的刀环装置以及环式刨片机
US10632471B2 (en) 2015-10-13 2020-04-28 Pallmann Maschinenfabrik Gmbh & Co. Kg Device for comminuting feed material
CN107186849B (zh) * 2017-07-20 2021-02-05 安徽省凌锋冶金机械有限公司 一种高精度林业组合刀片的生产工艺
CN110757609A (zh) * 2019-12-02 2020-02-07 南京林业大学 一种能实现螺旋切削的双鼓轮刨片机叶轮结构

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CH202611A (de) * 1938-10-22 1939-01-31 Rathgeb Hermann Steinbrecher.
DE2616849A1 (de) 1976-04-15 1977-11-03 Pallmann Kg Maschf Verschleissplatte fuer zerspaner
DE2620797C2 (de) * 1976-05-11 1986-01-02 Pallmann Maschinenfabrik GmbH & Co KG, 6660 Zweibrücken Schlägermühle zur Aufbereitung von faserhaltigen Produkten
DE3334783A1 (de) 1982-09-28 1984-03-29 Pallmann Maschinenfabrik GmbH & Co KG, 6660 Zweibrücken Halterung fuer nachstellbare schlagplatten an schlaegerrotoren von zerkleinerungsmaschinen
DE3317144C1 (de) 1983-05-11 1984-10-18 Pallmann Maschinenfabrik GmbH & Co KG, 6660 Zweibrücken Zuführeinrichtung für Zerkleinerungsmaschinen
DE4101352C1 (fr) * 1991-01-18 1992-01-02 Pallmann Maschinenfabrik Gmbh & Co Kg, 6660 Zweibruecken, De
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Also Published As

Publication number Publication date
CN102985183A (zh) 2013-03-20
CN102985183B (zh) 2014-10-15
EP2598247B1 (fr) 2014-05-14
DE102010036650A1 (de) 2012-02-02
WO2012013653A1 (fr) 2012-02-02

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