EP0956902A1 - Dispositif de montage de couteaux sur l'arbre coupant d'un appareil désintégrateur - Google Patents

Dispositif de montage de couteaux sur l'arbre coupant d'un appareil désintégrateur Download PDF

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Publication number
EP0956902A1
EP0956902A1 EP99109456A EP99109456A EP0956902A1 EP 0956902 A1 EP0956902 A1 EP 0956902A1 EP 99109456 A EP99109456 A EP 99109456A EP 99109456 A EP99109456 A EP 99109456A EP 0956902 A1 EP0956902 A1 EP 0956902A1
Authority
EP
European Patent Office
Prior art keywords
groove
knife seat
arrangement according
seat arrangement
cutting
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
EP99109456A
Other languages
German (de)
English (en)
Other versions
EP0956902B1 (fr
Inventor
Bernd Päper
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.)
Holz- Metall- Abfall- Recyclingtechnik GmbH
Original Assignee
Holz- Metall- Abfall- Recyclingtechnik 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
Priority claimed from DE1998121205 external-priority patent/DE19821205A1/de
Priority claimed from DE1998121207 external-priority patent/DE19821207A1/de
Application filed by Holz- Metall- Abfall- Recyclingtechnik GmbH filed Critical Holz- Metall- Abfall- Recyclingtechnik GmbH
Priority to DE29924262U priority Critical patent/DE29924262U1/de
Publication of EP0956902A1 publication Critical patent/EP0956902A1/fr
Application granted granted Critical
Publication of EP0956902B1 publication Critical patent/EP0956902B1/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
    • 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
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/145—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with knives spaced axially and circumferentially on the periphery of a cylindrical rotor unit

Definitions

  • the invention relates to a knife seat arrangement on a Cutting shaft in a shredding machine according to the generic term of claim 1.
  • a comminution machine with which the invention is concerned and which is shown in FIG. 16 is from DE 42 42 740 A1 known and serves to shred wood, metal parts, plastics, Garbage and other waste.
  • the crushing machine 101 consists essentially of one Material hopper 102, a loading unit 103 and one Comminution tool 104.
  • the three machine components 102, 103, 104 are releasably connected to one another by flange connections and form a loading room in the assembled state 105.
  • In the loading room 105 reaches into the Feeding unit 103 opposite lower area cutting shaft 106 driven by an electric motor.
  • the Cutting shaft 106 is octagonal or polygonal and equipped with a variety of cutting tools 107.
  • the Cutting tools 107 are distributed around the circumference in a thread-like manner arranged attached to the cutting shaft 106 and stand with a first cutting plate 108 and one as a scraper bar 109 serving second insert.
  • the top the first cutting plate 108 is also part of the bottom of the Loading space 105.
  • a perforated screen 111 attached to reinforcing rings 110.
  • a collecting container is located below the perforated sieve 111 112, at its lowest point to remove the shredded Material a screw conveyor 113 is arranged.
  • Fig. 17 is a partial perspective view of the cutting shaft 106 viewed from the loading area 105.
  • the Cutting shaft 106 has a plurality of cutting tools 107 on, the thread-like mounted on the cutting shaft 106 are arranged. The cutting tools 107 sit in the in the Cutting shaft 106 made recesses 129.
  • the recesses 129 extend from a first edge 140 of the cutting shaft 106 to the second edge following in the direction of rotation 141.
  • the sole 142 of the recesses 129 deepens on a cutting shaft surface 139 evenly over its entire Longitudinal extension.
  • the sole 142 or the contact area 131 forms a right angle with the contact surface 130.
  • the Height of the contact surface 131 between the second edge 141 and the Sole 142 corresponds to the diagonal extension of a cutting tool 107.
  • Such a shredding machine is also in the brochure "Holzmag shredding technology" from Holzmag AG.
  • the Cutting tools are rhombic blocks in cross section, which in essentially V-shaped grooves on the circumference of the shaft are distributed, are arranged.
  • the grooves are made with cone cutters introduced into the shaft, which is why the one located in the shaft End of the groove is semicircular.
  • the Cutting tools that have a flat rhombic face and one have a flat rhombic back surface, need to be impact-resistant to sit in the grooves, a flat system on the back of the knife.
  • semicircular arch-shaped contact elements inserted in the semicircular or semicylindrical groove ends and welded to the material of the shaft.
  • the object of the invention is to provide a knife seat arrangement on a To create cutting shaft with the easily different Requirements for the cutting work of the cutting shaft can be mastered.
  • Knife system elements can be used loosely in the rear end area of the groove are and can be stored in bulk.
  • the knife system elements or stop elements are screwed into the knife seat Cutting tool kept radially covered and also centered by the knife back of the cutting tool.
  • the contact surface or the contact element can one over the Wave protruding contour, which preferably to the Contour of the knife is adjusted so that the knife on his entire knife back surface supported by the contact element becomes.
  • the knife system elements according to the invention are like the knives easily and quickly interchangeable so that it can be used with other knives exchanged with correspondingly adapted knife system elements can be.
  • a cutting shaft can also be equipped in this way be that at a predetermined maximum drive power can be optimally designed for the material to be shredded.
  • a cutting shaft is provided with the same drive power matched to the material to be shredded be that of the thread-like on the circumference of the cutting shaft distributed cutting tools at certain points Removed cutting tools and cover elements according to the invention be replaced, which cover the knife seat like a lid. This enables the number of cutting tools to be reduced or increased with constant driving force of the cutting shaft, d. that is, the torque of the cutting shaft is different Knife numbers distributed and thus adapted to the wood chips.
  • the inventive Cover elements ensure that there are in the knife seats no wood chips accumulate and the knife seats become dirty or dirty thread-like wood chips in the area of the free knife seats around the Wave winds without being cut. With hard material to be cut the cover elements ensure that the knife seat grooves are not to be damaged.
  • a cutting shaft 1 for receiving cutting knives or cutting tools is, for example, a cutting shaft 1 with a polygonal cross section. Due to the polygonal cross section flat surfaces 2 are formed, which have edges 3 abut, the edges 3 parallel to a longitudinal axis the shaft 1 running on the circumference of the polygonal cutting shaft 6 are preferably arranged regularly distributed. At the extent the cutting shaft 1 are wound like a thread, equally or regularly distributed knife seats 4 introduced.
  • the knife seats 4 are funnel-shaped grooves 5 with a flat cross section Groove bottom 6. The groove bottom 6 or the grooves 5 run as secants from a surface 2 into the cutting shaft 1.
  • the groove 5 begins approximately in the center of a surface 2a, extends over the entire width of the next area 2b and ends approximately in the center of the next but one area 2c. Through the secantial Arrangement of the groove bottom, the groove is from the starting surface 2a down to the end surface 2c.
  • the funnel-shaped in cross section The groove ends in the area of the surface 2c with a semi-cylindrical one rounded end 5a.
  • the groove 5 has a funnel shape Area from the end area 5a the flat groove bottom 6 and from flat groove bottom 6 tangentially upward, short walls 7, so that the groove 5 above the groove bottom 6 a Rectangular or square groove is. Widened by the short walls 7 the groove with sloping walls 8.
  • the groove 5 has a constant height. From the edge 3 between the surface 2c and the surface 2b takes the groove depth successively up to the edge 3 between the surface 2b and the surface 2a from, so that the height of the wall sections 9 of the groove 5 always becomes smaller until the wall sections 9 in the region of the edge 3 disappear between the surfaces 2b and 2a. The depth or Height of the groove 5 increases from the edge 3 between the surface 2b and surface 2a until the groove bottom emerges from surface 2a further and reinforced by the inclination of the surface 2a to the surface 2b from.
  • the bore 10 is used Includes a fastening screw (not shown) for cutting tools.
  • the groove is from the upper surface 2c to formed at the level of the groove bottom 6 as a cylindrical bore 12, so that the groove 5 in the area of the end 5a one to the surface 2c has vertical, semi-cylindrical wall 13. Adjacent to the walls 8, facing the groove exit of the groove 5, are on both sides the transverse center axis 14 of the groove 5 and adjacent to the wall 13 in the plan view cylindrical shell-shaped walls 15 trained.
  • the flat groove bottom 6 ends in one Circular disc-shaped groove bottom 16. Axially aligned with the hole 12 is a cylindrical recess or bore in the bottom 16 17 introduced.
  • a stop element or contact element 20 has a cylindrical base plate 21 with a circular disc Cylinder bottom wall and a cylinder jacket wall 23 on.
  • a semi-cylindrical one extends from the base plate 21 Section 24 of body 20 away from footplate 21.
  • the semi-cylindrical section 24 has a flat chest surface 25 and a jacket wall or back surface which is semicircular in cross section 26 on.
  • the flat surface or wall 25 is aligned an axial longitudinal center plane of the base plate 21, the radius the cylinder jacket wall 26 is larger than the radius of the Shell wall 23 of the base plate 21, so that the cylindrical section 24 over one half of the cylindrical base plate 21 a Level 27 survives training.
  • the jacket wall 20 of the area 24 tapers in the form of a conical wall 28 up to a tip 29 so that the flat wall 25 is opposite the Base plate 21 inverted V-shaped to the tip 29, an edge 30 training tapered.
  • the foot plate 21 corresponds to the bore 17 and fits form-fitting into it, on the top it closes with the Groove bottom 6 from.
  • the jacket wall 26 corresponds to the bore wall 13, so that the stop element 20 in the end region 5a the groove 5 can be arranged, the base plate in the bore 17th rests and the cylinder wall 26 on the bore wall 13 positively is present.
  • Step 27 rests on the surface in a form-fitting manner 16.
  • a cutting tool 35 to be arranged in the groove is a Cross section of rhombic elongated block 35 with a lower one in the groove 5 facing longitudinal edge 36, an upper longitudinal edge 37, two lateral longitudinal edges 38 and four are identical to one another angled surfaces 39.
  • the rhombus forms one from the groove facing cutting tool face 40 and one to the end of the groove 5a facing cutting tool back surface 41.
  • the areas 39 and the surface 40 form an inverted V-shaped, after outside-facing cutting edge 42. From edge 37 to edge 36 runs approximately in the longitudinal center of the cutting tool a hole 45 is drilled in the area of the edge 37 has a wide bore area 45a which coincides with a step 46 narrows to a narrower bore area 45b.
  • the projection 21 is included this embodiment over the entire surface in a form-fitting manner on the lower inclined surfaces and the edge 36 of a cutting tool. This allows centering when the cutting tool is inserted or alignment of the stop element can be achieved.
  • the edge 30 of the stop element 20 can be shaped accordingly be so that the cutting tool in the area of the longitudinal edge 37 adjacent surface 39 is supported over the entire area by the stop element becomes.
  • the stop element 20 can - matched to the material of the Cutting tool - made of hard metal, metal, ceramics or the like consist. It can also be used for different cutting contours of the cutting tools different stop elements 20 are used, which when replacing the knife with be replaced. On the back surface of the stop element can also be formed projections, which in corresponding corresponding recesses of the round end wall the groove fit, so that the stop elements radial are secured.
  • the stop elements are easily removable. This allows the Stop elements can be easily removed if damaged.
  • the stop elements on the different Cutting tool shapes or materials coordinated and with the Knives can be used together. It is also an advantage that the stop elements are not damaged must be welded out.
  • a cutting shaft 201 for receiving cutting knives or Cutting tools for example, a cutting shaft with a polygonal cross section. Due to the polygonal cross section flat surfaces 202 are formed, which abut with edges 203, the edges 203 parallel to a longitudinal axis of the shaft 201 preferably running on the circumference of the polygonal cutting shaft 206 are regularly distributed. On the scope of the Cutting shaft 201 are wound like threads, equally or regularly distributed knife seats 204 introduced. Knife seats 204 are funnel-shaped grooves 205 with a flat cross section Groove bottom 206. The groove bottom 206 or the grooves 205 run as Secants from a surface 202 into the cutting shaft 201.
  • the groove begins approximately in the transverse center of a surface 202a, extends over the entire width of the next surface 202b and ends approximately in the center of the area after next 202c. Due to the secant arrangement of the groove base, the groove of the starting surface 202a to the end surface 202c lower.
  • the in Cross-section funnel-shaped groove ends in the area of surface 202c with a semi-conical, rounded end 205a.
  • the In this area, groove 205 faces flat groove bottom 206 and faces itself Short, tangentially upwardly extending from the flat groove bottom 206 Walls 207 so that the groove 205 above the groove bottom 206th is a rectangular or square groove. From the short walls 207 the groove widens with sloping walls 208.
  • the sloping walls 208 are tangential, straight walls 209 to the surface of the cutting shaft 201 or the surface 202c.
  • the groove 205 has a constant one Height up. From edge 203 between surface 202c and the Surface 202b successively takes up the groove depth up to edge 203 of the surface 202b and the surface 202a decreases and decreases from the Edge 203 between surface 202b and surface 202a to Exit of the groove bottom on surface 202a again by the inclination from surface 202a to surface 202b.
  • the sloping walls 208 serve as supports for cutting tools.
  • a bore 210 is made in the groove bottom. Bore 210 is used to hold a fastening screw for cutting tools.
  • the cover element 212 according to the invention is solid, for example made of metal or a ceramic and has walls corresponding to the inclined walls 208 213, which abut on a common edge 214.
  • the edge 214 rests when the cover element 212 in the Groove 205 is arranged between the short walls 207 and is preferably slightly spaced from the groove bottom 206.
  • the remaining Surfaces of the cover element 212 correspond to the groove formed so that in the area of the surface 202c or the groove end 205a, the cover element 212 has a semicircular funnel shape and along the semicircular funnel-shaped end 215 the groove 205 tapers with the cover member 212 outward pointing, angled surfaces 216a, 216b and 216c which mates with surfaces 202a, 202b and 202c align or complete the polygonal cutting shaft 201 and cover the groove like a lid.
  • the cover element 212 is aligned with the bore 210 Bore 218, which from surface 216b perpendicular to the edge 214 ago introduced into the cover element 212 and from another area 218a with a step 219 to a narrower Area 218b is narrowed.
  • Through hole 218 or hole 218 is a threaded bolt which can be plugged into the threaded bore 210 of the shaft can be screwed to cover element 212 in the Arrange groove firmly.
  • the cover element 212 in a further embodiment of the cover element (FIG. 14 to 16) is the cover element 212 as a hollow profile in the form of a double angled plate 220 formed, whereby by the Bend three surfaces 221a, 221b and 221c are formed which abut on fold edges 222.
  • the external form of the Plate 220 corresponds to the shape of the groove 205 and the Shaft 201, adjacent to surfaces 202a, 202b, 202c, so that in in the inserted state 205 of the cover 212 the Plate 220 forms a positive seal on the outside.
  • the plate 220 points towards the bore 210 in the groove bottom 206 cylindrical projection 225, which in the area of the oblique Walls 208 of the groove 205 with corresponding to the walls 208 inclined support walls 226 is formed.
  • a bore in the area of the molding 225 218 introduced for receiving a screw bolt is also a bore in the area of the molding 225 218 introduced for receiving a screw bolt.
  • Fig. 15 is the longitudinal course a stiffening rib on the underside of the cover element 212 227 and a transverse to this in the area of bore 218 Cross stiffening rib 228 arranged.
  • the Four knife seats or grooves which have become free are provided with the invention Cover elements covered like a lid, being from
  • the advantage is that the cover elements prevent clippings accumulates in the grooves or clippings that are difficult to cut, such as carpets, on exposed grooves 205 caught and wrapped around the shaft without being cut become. With hard clippings, the cover elements prevent that the knife seat grooves not equipped with knives through the clippings to be damaged.
  • the Cover elements in a particularly simple and easy way, for example can be produced by metal casting.
  • cover elements By providing cover elements, it is thus possible a conventional cutting shaft for the different types of material to be cut quick changeover.
  • the retrofitting By the corresponding to the grooves Shape of the cover elements and the attachment of the cover elements with a screw connection equivalent to the knives the retrofitting can be done more easily and particularly quickly Achieve wise.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Knives (AREA)
  • Milling Processes (AREA)
EP99109456A 1998-05-12 1999-05-11 Dispositif de montage de couteaux sur l'arbre coupant d'un appareil désintégrateur Expired - Lifetime EP0956902B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29924262U DE29924262U1 (de) 1998-05-12 1999-05-11 Messersitzanordnung an einer Schneidwelle in einer Zerkleinerungsmaschine

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE1998121205 DE19821205A1 (de) 1998-05-12 1998-05-12 Messersitzanordnung an einer Schneidwelle in einer Zerkleinerungsmaschine
DE19821205 1998-05-12
DE1998121207 DE19821207A1 (de) 1998-05-12 1998-05-12 Schneidwelle für Zerkleinerungsmaschinen
DE19821207 1998-05-12

Publications (2)

Publication Number Publication Date
EP0956902A1 true EP0956902A1 (fr) 1999-11-17
EP0956902B1 EP0956902B1 (fr) 2003-03-26

Family

ID=26046137

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99109456A Expired - Lifetime EP0956902B1 (fr) 1998-05-12 1999-05-11 Dispositif de montage de couteaux sur l'arbre coupant d'un appareil désintégrateur

Country Status (6)

Country Link
US (1) US6533200B2 (fr)
EP (1) EP0956902B1 (fr)
AT (1) ATE235317T1 (fr)
CA (1) CA2272009A1 (fr)
DE (1) DE59904688D1 (fr)
ES (1) ES2196669T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102029212A (zh) * 2009-10-01 2011-04-27 株式会社近畿 破碎机用旋转刀刃的安装结构以及单轴破碎机

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI122643B (fi) * 2010-07-07 2012-04-30 Bmh Technology Oy Murskainroottorin teräpala
DE102013217164A1 (de) * 2013-08-28 2015-03-05 Panel Board Holding Bv Zerkleinerungsvorrichtung
EP3012024B1 (fr) 2014-10-21 2018-10-03 FOR REC srl Machine de broyeur de déchets
CA2960261A1 (fr) * 2016-03-08 2017-09-08 Imex Sourcing Inc. Dent amelioree et support de dent destine a un appareil de dechiquetage industriel
US10357776B2 (en) * 2016-09-09 2019-07-23 Comcorp, Inc. Impact cutter blade and holder system and method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4242740A1 (de) 1992-12-17 1994-06-23 Holz Metall Abfall Recyclingte Zerkleinerungsmaschine
DE29515768U1 (de) * 1995-10-04 1995-12-07 Holz-, Metall-, Abfall-, Recyclingtechnik Gmbh, 79576 Weil Am Rhein Schneidwerkzeug für Zerkleinerungsmaschinen
DE29504292U1 (de) * 1995-03-14 1996-07-25 BMH Wood Technology GmbH, 57647 Hirtscheid Wendeschneidkörper
DE29714130U1 (de) * 1997-08-07 1997-10-09 Unterwurzacher Patentverwertungsgesellschaft M.B.H., Kuchl Zerkleinerungsvorrichtung
WO1999003586A1 (fr) * 1997-07-21 1999-01-28 Davenport Ricky W Broyeur rotatif

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US169654A (en) 1875-11-09 Improvement in toothed rollers for coal breakers or crackers
US994264A (en) 1910-07-28 1911-06-06 Union Twist Drill Co Slab-milling cutter.
US1939660A (en) 1930-09-26 1933-12-19 Pennsylvania Crusher Co Replaceaele tooth for crusher rolls and other crushing elements
DE930839C (de) 1951-10-11 1955-07-25 Westfalia Dinnendahl Groeppel Rotor fuer Schleudermuehlen
BE519398A (fr) 1952-05-19
US4561156A (en) 1983-06-09 1985-12-31 Sun Ting Zui Roller for sugar cane squeezing mills
US4609158A (en) 1984-04-16 1986-09-02 Midland-Ross Corporation Composite grinding mill liner
EP0266447B1 (fr) 1986-11-05 1990-05-30 Hans Hench Dispositif de coupe rotatif, en particulier pour un granulateur de matière plastique
DE3742395C1 (de) 1987-12-15 1989-06-15 Deutscher Sbm Vertrieb Franz W Rotor fuer eine Prallmuehle
DE3886037D1 (de) * 1988-06-02 1994-01-13 Hench Hans Rundlaufendes Schneidwerkzeug, insbesondere zum Stranggranulieren von Kunststoffen.
US5044570A (en) * 1990-05-09 1991-09-03 Montgomery Industries International Inc. Shaver rotor assembly
US5240192A (en) 1991-01-04 1993-08-31 Tilby Sydney E Cutting roll with removable blade
US5381976A (en) * 1993-06-11 1995-01-17 The Babcock & Wilcox Company Replaceable tip hammer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4242740A1 (de) 1992-12-17 1994-06-23 Holz Metall Abfall Recyclingte Zerkleinerungsmaschine
DE29504292U1 (de) * 1995-03-14 1996-07-25 BMH Wood Technology GmbH, 57647 Hirtscheid Wendeschneidkörper
DE29515768U1 (de) * 1995-10-04 1995-12-07 Holz-, Metall-, Abfall-, Recyclingtechnik Gmbh, 79576 Weil Am Rhein Schneidwerkzeug für Zerkleinerungsmaschinen
WO1999003586A1 (fr) * 1997-07-21 1999-01-28 Davenport Ricky W Broyeur rotatif
DE29714130U1 (de) * 1997-08-07 1997-10-09 Unterwurzacher Patentverwertungsgesellschaft M.B.H., Kuchl Zerkleinerungsvorrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102029212A (zh) * 2009-10-01 2011-04-27 株式会社近畿 破碎机用旋转刀刃的安装结构以及单轴破碎机

Also Published As

Publication number Publication date
EP0956902B1 (fr) 2003-03-26
DE59904688D1 (de) 2003-04-30
ATE235317T1 (de) 2003-04-15
ES2196669T3 (es) 2003-12-16
US20010038049A1 (en) 2001-11-08
CA2272009A1 (fr) 1999-11-12
US6533200B2 (en) 2003-03-18

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