EP2620218B1 - Anneau broyeur d'un cylindre broyeur - Google Patents

Anneau broyeur d'un cylindre broyeur Download PDF

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Publication number
EP2620218B1
EP2620218B1 EP12189998.3A EP12189998A EP2620218B1 EP 2620218 B1 EP2620218 B1 EP 2620218B1 EP 12189998 A EP12189998 A EP 12189998A EP 2620218 B1 EP2620218 B1 EP 2620218B1
Authority
EP
European Patent Office
Prior art keywords
crushing
projection
cap
connecting means
ring
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
EP12189998.3A
Other languages
German (de)
English (en)
Other versions
EP2620218A1 (fr
Inventor
Jochen Emmerich
Thomas Woestmann
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.)
Hazemag and EPR GmbH
Original Assignee
Hazemag and EPR 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 Hazemag and EPR GmbH filed Critical Hazemag and EPR GmbH
Priority to DK12189998.3T priority Critical patent/DK2620218T3/da
Priority to EP12189998.3A priority patent/EP2620218B1/fr
Publication of EP2620218A1 publication Critical patent/EP2620218A1/fr
Priority to CN201310459238.6A priority patent/CN103769268B/zh
Priority to CL2013003049A priority patent/CL2013003049A1/es
Priority to AU2013245577A priority patent/AU2013245577B2/en
Priority to IN3293MU2013 priority patent/IN2013MU03293A/en
Priority to CA2830844A priority patent/CA2830844C/fr
Priority to US14/063,598 priority patent/US9468928B2/en
Application granted granted Critical
Publication of EP2620218B1 publication Critical patent/EP2620218B1/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
    • 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
    • B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
    • B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
    • 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
    • B02C4/10—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member
    • B02C4/18—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member in the form of a bar
    • B02C4/20—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member in the form of a bar wherein the roller is corrugated or toothed

Definitions

  • the invention is directed to a crushing ring of a crushing roller, comprising a base body with a through hole through which the main body with a shaft rotatably connected, and having at least one serving as a crushing projection which is provided on the outer periphery of the base body and radially outward extends, and a respective projection associated breaker cap which surrounds the associated projection at least in the circumferential direction and which is formed with a with respect to the direction of rotation of the crushing ring front wall portion, a rear wall portion and the front with the rear wall portion connecting head portion, wherein releasably securing the breaker cap to an associated projection, a first pin-shaped connecting means is provided which extends through the front wall portion and is releasably held in the projection.
  • the invention is directed to a machine for crushing rock types.
  • a crusher may be designed in the manner of a two-roll crusher, which is also called “sizer” due to its modified construction.
  • This sizer is used in the extractive industry for primary comminution of, for example, limestone, marble, gypsum, coal, ore and the like.
  • the sizer has two slowly rotating crushers. These crushing rollers are provided with several crushing rings, which are each equipped with relatively few crushing teeth. The crushing teeth grasp the loading material and break it under a compressive and shear load between the crushing teeth themselves and in the nip between the crushing rollers. Further secondary comminution can be carried out between the crushing rollers and a so-called crushing bar, which is arranged below the crushing rollers.
  • Such crushing rollers are used in roll crushers and are known in the art, the amount of comminution depends inter alia on the size, shape and nature of the crushing teeth, which are subject to wear caused by the crushing work and thus replaced from time to time or to be replaced in order to maintain the crushing or grinding quality.
  • the known crushing teeth are designed as radially outwardly facing projections on a base body of a crushing ring, wherein the projections or crushing teeth are equipped with replaceable or exchangeable breaker caps, which can be replaced with a certain effort. It is known, either to weld the refractive caps on the corresponding projections of the body of the crushing ring or screw it, see, for example, the document US 4781331 ,
  • a roll crusher is known from the prior art of the company MMD Design & Consultancy Limited, in which several crushing rings of the type mentioned above are pushed onto a driven shaft.
  • a respective crushing ring has on its base a plurality of projections which represent the actual crushing teeth.
  • each projection or crushing tooth is associated with a bowl-shaped crushing cap, which can be replaced if necessary.
  • As a releasable attachment mechanism for the respective break caps may serve a parallel to the axis of the crushing roller arranged bolt which extends through projections of adjacent breaking rings therethrough.
  • this holder tends to strike in the strong sudden operation of the crushing roller and the bolted connections are often difficult to solve because of the wear of the bolt heads and the associated nuts.
  • the disadvantage here is that the screw connection produces an insufficient clamping effect and the screw thus has a tendency to detach itself and thus the breaker cap from the projection or crushing tooth.
  • the invention has for its object to provide a solution that provides an improved crushing ring in a structurally simple manner and cost, which ensures a permanent hold of the breaker caps on the projections or crushing teeth and a simple and safe change the breaker caps.
  • a second pin-shaped connecting means is provided which extends through the rear wall portion of the refractive cap and is detachably held in the projection, wherein the second pin-shaped connecting means extends below an angle formed between its longitudinal axis and a rear wall surface of the projection with respect to the direction of rotation of the crushing ring which is less than 90 ° or 90 ° or with respect to the portion of the rear wall surface lying between second connecting means and head portion , At an angle of 90 °, the second pin-shaped connecting means extends substantially perpendicular or perpendicular to a rear wall surface of the projection with respect to the direction of rotation of the crushing ring, whereas at an angle of less than 90 °, the second pin-shaped connecting means as opposed to an angle of 90 ° more in the direction of rotation and inclined is arranged.
  • a crushing ring which is characterized by a compact and in particular backlash-free design. Due to the play-free attachment of the crushing cap on the projection or crushing tooth can not come to relative movements between the individual parts and thus not to a mechanical deformation of these parts.
  • a respective refractive cap is completely around the associated projection or Bracing tooth clamped around so that the front and rear wall portion rests on the corresponding wall surfaces of the projection clearance and thus the wall portions of a corresponding breaker cap with the corresponding wall surfaces of the associated projection in surface contact, whereby the forces acting on the crushing roller during the breaking process loads on the breaker cap be transferred to the projection of the body of the crushing ring.
  • the invention thus provides a crushing ring in which the expense of exchanging the breaking caps minimally fails and yet there is a secure connection to the main body of the crushing ring.
  • the two connecting means attach the breaker cap to two opposite wall sides of a corresponding projection and thus urge the corresponding wall portion of the breaker cap against the corresponding wall surface of the projection without the connecting means extending completely through the projection. Rather, the two ends introduced laterally into the projection connecting means within the projection and are fixed end there.
  • the invention provides in an advantageous embodiment that at least one with respect to the direction of rotation of the crushing ring front wall surface of a respective projection is inclined in the direction of rotation of the crushing ring, wherein the first pin-shaped connecting means the front wall portion penetrates in the region of its free end and extends into the projection in the region of the foot of the projection. In this way, the breaker cap is urged into the corner at the foot of the projection, whereby a peeling of the breaker cap from the projection by refractive powers is no longer possible.
  • the rear wall surface of a respective projection extends to the foot of the front wall surface of the corresponding projection as a base of the body of the crushing ring forming.
  • the first pin-shaped connecting means and the second pin-shaped connecting means are fixed at an angle deviating from 180 ° and formed therebetween at the projection.
  • the two connecting means do not act on a common line of action, but push - with a suitable angle choice - the breaking cap in the direction of the center of the crushing ring.
  • a respective projection has a through hole extending from the front to the rear wall surface of the projection and serving for fastening the first and second pin-shaped connecting means.
  • the through-hole through the projection may be formed straight or curved, with and without thread, wherein it is additionally possible that the through-hole is stepped and the cross-section of the through-hole increases from the front to the rear wall surface of the projection.
  • the through hole may be formed with threaded portions which receive corresponding pin-shaped connecting means with complementary threaded portions.
  • the invention provides in a further embodiment that in the through hole of a respective projection, a cylindrical fastening element is inserted, which is detachably connectable to the first and second pin-shaped connecting means via a positive connection.
  • the through hole may be stepped and the cross section of the through hole from the front to the rear wall surface of the projection - or vice versa - increase, wherein the positive connection can be a threaded connection.
  • the fastening element can be inserted, for example, into the section of the bore with a larger cross-section, and one of the two connecting elements can be screwed through the smaller cross-section into the fastening element, so that the step of the Bore serves as a kind of stop, which counteracts the withdrawal of the screwed connection means.
  • the refractive cap is prevented from an axially directed movement, ie at a laterally away from the projection movement, it is advantageous if the main body of the crushing ring has a centrally formed on its peripheral edge and circumferential ridge, with an inside in a respective Breaking recess recess cooperates movement of the breaker cap in the axial direction or axial direction of the crushing ring inhibiting.
  • the circumferential web prevents primarily a lateral movement or a lateral sliding of the breaker cap from the projection.
  • the crushing ring With regard to the production of the crushing ring according to the invention, it has advantages when a radial gap is present in the mounted state of the refractive cap on an associated projection between the circumferential ridge of the base body and the inside formed in the breaker cap recess. As a result, a complex processing or reworking of the peripheral surface of the web is unnecessary.
  • the measure of a radial gap additionally improves the support of the crushing cap on the projection.
  • the fact that the breaker does not rest on the web, but on the axially laterally formed by the web surfaces at least in sections, the danger of tipping the crushing cap is reduced on the projection, in particular improves the support due to a wider contact surface.
  • the invention provides in an embodiment that laterally formed by the circumferential web Side sections of the peripheral edge of the front wall surface and the rear wall surface are at least partially formed in the region of the foot of the corresponding projection at an angle of less than 90 ° converging.
  • the angle can be 70 °.
  • the angle it is also conceivable for the angle to lie in a range between 50 ° and 85 °, preferably in a range between 60 ° and 80 °, and particularly preferably in a range between 65 ° and 75 °.
  • the laterally formed by the circumferential ridge side portions of the peripheral edge alternate support portions on which the refractive cap on the inside partially applied, and spacer sections, between which and the breaker cap sections, a radial gap is present.
  • the crushing cap is full and stable on predetermined and defined portions of the peripheral edge of the crushing ring.
  • a particularly stable hold experiences the breaker cap in its front region, when in the assembled state, the free end of the front wall portion is urged by means of the first connecting means in a corner formed by front and rear wall surface having an included angle of 90 ° maximum, wherein in this state, the first connecting means presses a radial portion and a tangential portion of the free end of the breaker cap to support portions.
  • the invention finally provides that the fastening element Receiving holes for fixing the first and second connecting means, wherein the receiving bores are formed at an angle diverging from 180 ° converging in the fastener.
  • the two connecting means are designed as screws and the two mounting holes as threaded holes, they are screwed facing each other in the fastener and thus brace the entire crushing cap around the projection, because the refractive cap is on both sides of the projection, ie at the front and rear Wall surface, fixed in the area of the foot of the projection.
  • FIG. 1 an inventive crushing ring 1 of a crushing roller is shown in a perspective view, whereas the crushing ring 1 in FIG. 3 is shown in a cross-sectional view.
  • the crushing ring 1 comprises a base body 2 (see, for example FIG. 2 )
  • the through hole 3 is rotatably connected to a shaft, not shown, of the crushing roller.
  • the main body 2 has, in addition to the one passage opening 3 for the shaft, a total of four protrusions 4 serving as crushing teeth, which projections are on the outer circumference 5 (see, for example, FIG FIG. 2 ) of the base body 2 are provided and extend radially outwardly therefrom.
  • the four projections 4 are regularly distributed over the circumference of the base body 2. Notwithstanding the illustrated embodiment, more or fewer than four projections 4 may be provided, wherein at least one projection should be present.
  • Each individual projection 4 is associated with a refractive cap 6.
  • a respective refractive cap 6 is U-shaped and has a front wall section 7, a rear wall section 8, and a head section 9 connecting the front wall section 7 with the rear wall section 8.
  • the with respect to the direction of rotation D (see FIG. 3 ) of the crushing ring 1 front wall portion 7 corresponds to the wall portion of the refractive cap 6, which faces the material to be crushed and first meets this during the crushing process. Accordingly, in relation to the direction of rotation of the crushing ring 1 rear wall portion 8 of the crushing cap 6 facing away from the material to be comminuted and temporally follows the front wall portion 7 upon rotation of the crushing ring 1.
  • a breaker can be realized in which the horn-shaped projection including the lateral areas is completely surrounded by the refractive cap.
  • a respective crushing cap 6 has a in the tangential direction with respect to the base body 2 and in the circumferential direction projecting and pimple-shaped crushing head 10, which first meets in the crushing operation due to its arrangement on the object to be crushed.
  • the crushing head 10 may possibly be formed from a harder and / or more wear-resistant material compared to the remaining crushing cap 6.
  • this crushing head 10 can be releasably connected to the refractive cap 9.
  • a respective refractive cap 6 is for example in FIG. 3 shown in section, the FIGS. 6, 7 and 8 closer constructive details of the refractive cap 6 can be seen.
  • the refractive cap 6 has in its front wall section 8 a first stepped passage opening 11.
  • a second stepped passage 12 is formed through the rear wall portion 8 of the refractive cap 6 therethrough.
  • the first and the second connecting means 13 and 14 are each designed as a screw, wherein the respective screw head is received in the corresponding widened cross-section of the stepped first and second through-holes 11, 12 and at the corresponding step 20 a and 20 b of the respective through-hole 11 12 supports, such as the cross-sectional views of FIGS. 3 and 4 can be seen.
  • the heads of the connecting means 13, 14 are protected in the passage openings 11, 12 received so that they are protected during the crushing operation from damage.
  • connection of the refractive cap 6 to a corresponding projection 4 of the base body 2 by means of the aforementioned connecting means 13 and 14, which are each pin-shaped. More specifically, the connecting means 13 and 14 are designed as screws which are screwed through the through holes 11, 12 into the projection 4 and thus constitute a detachable connection. Like that FIGS. 1 to 4 It can be seen here, this is the attachment of the breaker cap 6 with a large screw, the first connecting means 13, and a small screw, the second connecting means 14.
  • a first pin-shaped connecting means 13 and a second pin-shaped connecting means 14 are provided, wherein the first connecting means 13 extends through the front wall portion 7 and is releasably held in the projection 4 and wherein the second pin-shaped connecting means 14 through the rear wall portion 8 of the refractive cap 6 and - in the illustrated embodiment - substantially perpendicular to a with respect to the direction of rotation D (see FIG. 3 ) of the crushing ring 1 rear wall surface 15 of the projection 4 and is detachably held in the projection 4.
  • the second pin-shaped connecting means 14 thus extends under an angle ⁇ formed between its longitudinal axis 42 and the rear wall surface 15 (see FIG. 4 ), which is 90 °.
  • the angle ⁇ is less than 90 ° with respect to a portion of the rear wall surface 15 that lies between the second connecting means 14 and the head portion 9, whereby the longitudinal axis 42 (see FIG. 4 ) of the second connecting means 14 would point more in the direction of the passage opening 3 and the second connecting means 14 would be arranged much more inclined.
  • portions of the rear wall surface 15 of the projection 4 come into surface contact with portions of the inner surface of the rear wall portion 8 of the refractive cap 6.
  • portions of the inner surface of the front wall portion 7 of the crushing cap 6 come into surface contact with portions of the front wall surface 16 of the projection 4, which will be discussed later.
  • the front wall surface 16 of a respective projection 4 in the direction of rotation D of the crushing ring 1 is inclined.
  • the rear wall surface 15 of the projection 4 is inclined in the direction of rotation D of the crushing ring 1, wherein in the illustrated embodiment, the front wall surface 16 is parallel to the rear wall surface 15, but this is not absolutely necessary.
  • Both wall surfaces 15 and 16 can not be made parallel to each other, but the front wall surface 15 should be inclined in the direction of rotation D of the crushing ring 1. Due to the inclination of the front wall surface 16, the crushing head 10 of the refractive cap 6 projects in the direction of rotation D and will impinge on the material to be comminuted during the comminution process as the first component of the crushing ring 1.
  • the rear wall surface 15 of a respective projection extends substantially to to the foot 17 (see for example FIG. 4 or 11 ) of the projection 4 and the front wall surface 16 and thereby at least partially forms a kind of base 18 of the base body 2 (see, for example FIG. 4 ).
  • the front wall portion 7 of the refractive cap 6 is at least partially with its free end 19 (see Figures 2 . 3 . 4 or 8th ) in a kind of corner 34 (see FIGS. 12 and 13 ) of the base body 2, which is formed by the front wall surface 16 of the projection 4 and the base surface 18 or portions of the front and rear wall surface 15, 16, which will be discussed in detail below.
  • the wall thickness of the front wall section 7 of a respective breaker cap 6 increases from the head section 9 in the direction of the free end 19 of the front wall section 7.
  • the wall thickness of the rear wall portion 8 of a respective breaker cap 6 from the head portion 9 in the direction of the free end 25 takes (see, for example FIG. 2 or 8th ) of the rear wall section 8.
  • the corner 34 Due to the inclination of the projection 4 in the direction of rotation D is at least partially between the front wall surface 16 and the rear wall surface 15 and base 18, the corner 34 (see, for example FIG. 12 ), in which the free end 19 of the front wall portion 7 of the refractive cap 6 with the aid of the first pin-shaped connecting means 13, that is, the larger of the two screws, at least partially urged.
  • the first pin-shaped connecting means 13 penetrates the front wall section 7 in the region of the free end 19 and extends in the region of the foot 17 into the projection 4. In this way, the front larger screw, ie the first pin-shaped connecting means 13, obliquely forces the breaking cap 6 into the corner 34 of the main body 1 of the crushing ring 1.
  • any relative movement of the breaking cap 6 to the breaking ring 1 or to the main body 2 of the breaking ring 1 has an increase in the clamping length of the larger screw, ie the first pin-shaped Connecting means 13, and thus also the biasing force of the first connecting means 13 result.
  • Stage 20b (see for example FIG. 3 or 4 ) of the passage opening 12 of the rear wall section 8 is formed parallel to the rear wall surface 15 of the projection 4 and represents the clamping plane for the second screw or for the second connecting means 14.
  • the second connecting means 14 is perpendicular to the rear Wall surface 15 is introduced into the projection 4 and releasably held in this.
  • the rear smaller screw that is, the second connecting means 14, arranged at right angles to the clamping plane and bends the entire refractive cap 6 to the horn-shaped projection 4 of the crushing ring 1.
  • the second connection means 14 can also be compared to the in FIG FIG. 4 shown position substantially inclined at an angle ⁇ of less than 90 ° through the rear wall portion 8 in the projection 4 extend into it.
  • FIG. 11 has a respective projection 4 extending from the front to the rear wall surface 16, 15 of the projection 4 and for fixing the first and second pin-shaped connecting means 13, 14 serving through hole 21, which in the embodiment shown in the figures extends rectilinearly through the projection 4 and is stepped, wherein the cross section of the through-hole 21 increases from the front wall surface 16 to the rear wall surface 15.
  • the fastening element 22 has receiving bores 23 and 24 for fixing the first and second connecting means 13, 14, wherein the receiving bores 23, 24 are formed at an angle diverging from one another by 180 ° in the fastening element 22 (see FIG FIG. 10 ).
  • the receiving bores 23, 24 are provided with threads in order to be engageable with the screw-type connecting means 13, 14.
  • the fastening element 22 thus forms a nut which is inserted into the projection 4 of the main body 2 of the crushing ring 1.
  • the trained in the manner of a nut fastener 22 has the two threads. In this way, the fastening element 22 with the first and second pin-shaped connecting means 13, 14 via a positive connection, the threaded connection, releasably connectable.
  • the entire engagement length (fastener 22 plus projection 4) of the first connecting means 13 is greater than the entire engagement length of the second connecting means 14 in the fastening element 22, wherein the first connecting means 13 is screwed into a respective projection 6 and into the fastening element 22 whereas the second connecting means 14 is merely screwed into the fastening element 22.
  • a respective refractive cap 6 is secured against axial slipping from the projection 4, the refractive cap 6 has an internally formed recess 26, as in the FIGS. 6 and 7 is shown.
  • This recess 26 in a respective breaker cap 6 cooperates with a web 27, which is formed centrally and circumferentially on the peripheral edge 28 of the main body 2 of the crushing ring 1 (see Figures 2 and 5 ).
  • the circumferential web 27 cooperates with the inside formed in a respective refractive cap 6 recess 26 and inhibits movement of the refractive cap 6 in the axial direction or axial direction of the crushing ring 1.
  • the horn-shaped projection 4 of the crushing ring 1, which for receiving the refractive cap 6 serves a circumferential increase or the web 27, as well as the refractive cap 6 has an inner circumferential groove or recess 26.
  • This gearing serves to secure the refractive cap 6 against an axial displacement of the refractive cap 6 on the projection 6.
  • the web 27 does not lie completely in the recess 26. Rather, between the circumferential ridge 27 of the base body 2 and the inside formed in the refractive cap 6 recess a radial gap 35 (see FIG. 4 ) so that the forces acting on the crushing ring 1 in the radial direction during the crushing process do not act directly on the web 27.
  • axial surfaces 36, 37 (see Figures 2 and 5 ) of the circumferential web 27 of the base body 2 on side surfaces 38, 39 (see Figures 2 and 7 ) of the refractive cap 6 - essentially free of play - on, in FIG. 13 acting as a contact surface axial surface 36 is shown as a black colored surface.
  • FIGS. 11 to 13 show a further or additional structural measure to increase the clamping or wedge effect of the refractive cap 6 during the crushing process, wherein in the figures, only the main body 2 of the crushing ring 1 is shown.
  • FIG. 11 shows a view for an axial section through the circumferential web 27, whereas in FIG. 12 an axial section is shown laterally adjacent to the web 27 for one of the two side sections 29, 30.
  • FIG. 13 are then the two axial sectional views of FIGS. 11 and 12 shown superimposed, wherein the axial section for one of the two side portions 29, 30 is shown in dashed lines.
  • the circumferential web 27 having (central) portions of the peripheral edge 28 of the front wall surface 16 and the rear wall surface 15 at an angle ⁇ 1 are formed of approximately 90 ° converging, as in FIG. 11 is shown. So that the free end 19 of the front wall portion 7 of a respective breaker cap 6 by clamping in the at least partially formed by the front and rear wall surfaces 16, 15 corner 34 (see, for example FIG.
  • the angle ⁇ 2 is 70 °, whereby also deviating angles are possible.
  • the angle is in a range between 50 ° and 85 °, preferably in a range between 60 ° and 80 ° and particularly preferably in a range between 65 ° and 75 °.
  • FIG. 13 is the different shape of the peripheral edge 28 of the body 2 by superimposing the FIGS. 11 and 12 , wherein the different inclination of the peripheral edge 28 and the rear wall surface 15 of the respective projections 4 in the region of the corners 34 is obvious.
  • a respective refractive cap 6 is not completely circumferentially circumferentially on the side of the circumferential web 27 formed side portions 29 and 30. Rather, the laterally formed by the circumferential web 27 side portions 29, 30 of the peripheral edge 28 have alternating support portions 40 a, 40 b, 40 c, 40 d and spacer portions 41 a, 41 b, 41 c, 41 d, as in the FIGS. 14 and 15 is shown.
  • FIG. 14 an axial section running in the region of a side section 29, 30 through the breaker cap 6 and base body 2 is shown
  • FIG. 15 shows a perspective view of the base body 2, in which the support portions 40a, 40b, 40c, 40d are shown as black marked surfaces.
  • the refractive cap 6 is on the inside in sections, with the reference numerals in the FIGS. 14 and 15 provided support portions 40 a, 40 b, 40 c, 40 d are formed on each of the projections 4 and repeat correspondingly over the circumference of the base body 2.
  • the spacer sections 41a, 41b, 41c, 41d between which and the breaking cap 6 sections, a radial gap is present, so that the refractive cap 6 is not completely, but only partially on the side portions 29 and 30 rests.
  • four support portions 40a, 40b, 40c, 40d and four spacer portions 41a, 41b, 41c, 41d are provided for each projection 4 in the embodiment shown, wherein also a different number is possible.
  • the free end 19 of the front wall portion 7 is at least partially on the side wall portions 29, 30 on the rear wall surface 15 of the base body 2 and on the support portions 40a of the side portions 29 and 30.
  • the free end 19 of the front wall portion 7 is urged by means of the first connecting means 13 in the corner 34, which is formed by the support portions 40 a and 40 b of the front and rear wall surface 16, 15.
  • the corner 34 in the region of the side portions 29, 30 an included angle ⁇ 2 of 70 ° on (see FIG. 12 ).
  • the angle it is also conceivable for the angle to lie in a range between 50 ° and 85 °, preferably in a range between 60 ° and 80 °, and particularly preferably in a range between 65 ° and 75 °.
  • the first connecting means 13 presses a substantially radial portion 43 and a substantially tangential portion 44 (see FIG.
  • fastener 22 shown in detail at the rear or at its first longitudinal end 31 has a lateral recess, which corresponds to the shape of the web 27.
  • the first longitudinal end 31 of the fastening element 22 of the outer contour of the projection 4 and thus of the web 27 is adapted that the first longitudinal end 31 is flush with the rear wall surface 15 of the projection 4, while the other, second longitudinal end 32 of the fastening element 22 at a Stage 33 (see FIG. 11 ) of the through hole 21 abuts.
  • the refractive cap 6 acts due to the contour adjustment of the first longitudinal end 31 of the fastening element 22 together with this, whereby the refractive cap 6 secures the fastening element 22 positively against rotation during assembly.

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

Claims (14)

  1. Anneau broyeur d'un (1) cylindre broyeur comportant
    un corps de base (2) avec un trou de passage (3) à travers lequel le corps de base (2) peut être assemblé fixement avec un arbre et avec au moins une partie en saillie (4) servant de dent de broyage, qui est prévue sur la périphérie extérieure (5) du corps de base (2) et s'étend dans le sens radial vers l'extérieur et une coiffe de broyage (6) attribuée à une partie en saillie (4) correspondante qui enveloppe au moins dans le sens périphérique la partie en saillie (4) correspondante et qui est constituée d'une section de paroi (7) avant en rapport avec le sens de rotation (D) de l'anneau de broyage (1), d'une section de paroi arrière (8) et d'une section de tête (9) reliant la section de paroi avant à la section de paroi arrière (7, 8),
    pour lequel est prévu un premier moyen d'assemblage (13) en forme de tige pour la fixation amovible de la coiffe de broyage (6) sur une partie en saillie (4) correspondante, qui s'étend à travers la section de paroi avant (7) et est fixé de manière amovible dans la partie en saillie (4),
    caractérisé en ce qu'
    un deuxième moyen d'assemblage (14) en forme de tige est prévu pour la fixation amovible de la coiffe de broyage (6) à une partie en saillie (4) correspondante, qui s'étend à travers la section de paroi arrière (8) de la coiffe de broyage (6) et est fixé de manière amovible dans la partie en saillie (4), pour lequel le deuxième moyen d'assemblage (14) en forme de tige s'étend sous un angle (α)formé entre son axe longitudinal (42) et une face de paroi (15) arrière en rapport avec le sens de rotation (D) de l'anneau broyeur (1) de la partie en saillie (4) qui est de 90° ou inférieur à 90° en référence à la section de la face de paroi (15) arrière située entre le deuxième moyen d'assemblage (14) et la section de tête (9).
  2. Anneau broyeur (1) selon la revendication 1, caractérisé en ce qu'au moins une face de paroi (16) avant en rapport avec le sens de rotation (D) de l'anneau broyeur (1) d'une partie en saillie (4) correspondante est inclinée dans le sens de rotation (D) de l'anneau broyeur (1), le premier moyen d'assemblage (13) en forme de tige pénétrant la section de paroi (7) avant de la coiffe de broyage (6) dans la zone de son extrémité libre (19) et s'étendant dans la zone du pied (17) de la partie en saillie (4) à l'intérieur dans la partie en saillie (4).
  3. Anneau broyeur (1) selon la revendication 2, caractérisé en ce que la face de paroi arrière (15) d'une partie en saillie (4) correspondante s'étend jusqu'au pied (17) de la face de paroi (16) avant de la partie en saillie (4) correspondante formant comme une face de base (18) du corps de base (2).
  4. Anneau broyeur (1) selon une quelconque des revendications précédentes, caractérisé en ce que le premier moyen d'assemblage (13) en forme de tige et le deuxième moyen d'assemblage (14) en forme de tige sont fixés à la partie en saillie (4) sous un angle (γ) divergeant de 180° et formé entre eux.
  5. Anneau broyeur (1) selon une quelconque des revendications précédentes, caractérisé en ce qu'une partie en saillie (4) correspondante comporte un trou de passage (21) s'étendant de la face de paroi avant à la face de paroi arrière (16, 15) de la partie en saillie (4) et servant à la fixation du premier et du deuxième moyen d'assemblage (13, 14) en forme de tige.
  6. Anneau broyeur (1) selon la revendication 5, caractérisé en ce que dans le trou de passage (21) d'une partie en saillie (4) correspondante est inséré un élément de fixation (22) cylindrique qui peut être assemblé de manière mobile par un assemblage par complémentarité de forme au premier et au deuxième moyen d'assemblage (13, 14) en forme de tige.
  7. Anneau broyeur (1) selon une quelconque des revendications précédentes, caractérisé en ce que le corps de base (2) de l'anneau broyeur (1) comporte une nervure (27) constituée et située sur le pourtour au centre sur son bord périphérique (28) qui interagit avec un évidement (26) formé intérieurement dans une coiffe de broyage (6) correspondante en ralentissant un mouvement de la coiffe de broyage (6) dans la direction axiale de l'anneau broyeur (1).
  8. Anneau broyeur (1) selon la revendication 7, caractérisé en ce qu'à l'état monté de la coiffe de broyage (6) il existe un espacement radial (35) sur une partie en saillie (4) correspondante entre la nervure circulaire (27) du corps de base (2) et l'évidement (26) formé intérieurement dans la coiffe de broyage (6).
  9. Anneau broyeur (1) selon la revendication 7 ou 8, caractérisé en ce qu'à l'état monté de la coiffe de broyage (6), sur une partie en saillie (4) correspondante, les faces axiales (36, 37) de la nervure (27) située sur le pourtour du corps de base (2) s'appliquent aux faces latérales (38, 39) de l'évidement (26) de la coiffe de broyage (6).
  10. Anneau broyeur (1) selon une quelconque des revendications 7 à 9, caractérisé en ce que latéralement à la nervure (27) située sur le pourtour, les sections latérales (29, 30) constituées du bord périphérique (28) de la face de paroi (16) avant et de la face de paroi (15) arrière sont constituées, au moins par segments, en se terminant l'une sur l'autre dans la zone du pied (17) de la partie en saillie (4) correspondante, sous un angle (β2) inférieur à 90°.
  11. Anneau broyeur (1) selon la revendication 10, caractérisé en ce que latéralement à la nervure (27) située sur le pourtour, des sections latérales (29, 30) constituées du bord périphérique (28) comportent des sections d'appui alternant entre elles (40a, 40b, 40c, 40d) sur lesquelles vient s'appliquer intérieurement par segments la coiffe de broyage (6) et des sections d'écartement (41a, 41b, 41c, 41d) entre lesquelles et la coiffe de broyage (6) il y a, par segments, un espacement radial.
  12. Anneau broyeur (1) selon la revendication 10 ou 11, caractérisé en ce qu'à l'état monté, l'extrémité libre (19) de la section de paroi (7) avant est poussée à l'aide du premier moyen d'assemblage (13) dans un coin (34) formé par les sections d'appui (40a, 40b) des sections latérales (29, 30)situées sur le pourtour qui comporte un angle (β2) inclus de 90° maximum, le premier moyen d'assemblage (13) appuyant dans cette position une section (43) pour l'essentiel radiale ainsi qu'une section (44) pour l'essentiel tangentielle de l'extrémité libre (19) de la coiffe de broyage (6) sur les sections d'appui (40a, 40b).
  13. Anneau broyeur (1) selon une quelconque des revendications 6 à 12, caractérisé en ce qu'une première extrémité longitudinale (31) de l'élément de fixation (22) est adaptée au contour extérieur de la partie en saillie (4) correspondante de telle sorte que la première extrémité longitudinale (31) vient affleurer la face de paroi (15) arrière alors que la deuxième extrémité longitudinale (32) vient s'appliquer sur un épaulement (33) à l'intérieur du trou de passage (21).
  14. Anneau broyeur (1) selon une quelconque des revendications 6 à 13, caractérisé en ce que l'élément de fixation (22) comporte des trous de réception (23, 24) pour fixer les premier et deuxième moyens d'assemblage (13, 14), les trous de réception (23, 24) étant formés dans l'élément de fixation (22) en finissant l'un sur l'autre à un angle divergeant de 180°.
EP12189998.3A 2012-10-25 2012-10-25 Anneau broyeur d'un cylindre broyeur Active EP2620218B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DK12189998.3T DK2620218T3 (da) 2012-10-25 2012-10-25 Knusering til en knusevalse
EP12189998.3A EP2620218B1 (fr) 2012-10-25 2012-10-25 Anneau broyeur d'un cylindre broyeur
CN201310459238.6A CN103769268B (zh) 2012-10-25 2013-09-24 破碎辊的破碎环
AU2013245577A AU2013245577B2 (en) 2012-10-25 2013-10-21 Crushing ring of a crushing roll
CL2013003049A CL2013003049A1 (es) 2012-10-25 2013-10-21 Anillo triturador de un cilindro triturador que presenta un cuerpo base con una abertura de paso a traves de la que el cuerpo base se puede unir con un arbol de manera fija frente a una rotacion, y con al menos un saliente y una tapa trituradora asignada a un respectivo saliente, donde para la fijacion separable de la tapa trituradora en el saliente correspondiente esta previsto un segundo medio de union en forma de clavija que se extiende a traves de la seccion de pared posterior de la tapa trituradora.
IN3293MU2013 IN2013MU03293A (fr) 2012-10-25 2013-10-21
CA2830844A CA2830844C (fr) 2012-10-25 2013-10-25 Anneau de broyage d'un rouleau de broyage
US14/063,598 US9468928B2 (en) 2012-10-25 2013-10-25 Crushing ring of a crushing roll

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12189998.3A EP2620218B1 (fr) 2012-10-25 2012-10-25 Anneau broyeur d'un cylindre broyeur

Publications (2)

Publication Number Publication Date
EP2620218A1 EP2620218A1 (fr) 2013-07-31
EP2620218B1 true EP2620218B1 (fr) 2014-09-10

Family

ID=47172405

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12189998.3A Active EP2620218B1 (fr) 2012-10-25 2012-10-25 Anneau broyeur d'un cylindre broyeur

Country Status (8)

Country Link
US (1) US9468928B2 (fr)
EP (1) EP2620218B1 (fr)
CN (1) CN103769268B (fr)
AU (1) AU2013245577B2 (fr)
CA (1) CA2830844C (fr)
CL (1) CL2013003049A1 (fr)
DK (1) DK2620218T3 (fr)
IN (1) IN2013MU03293A (fr)

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DE202013101433U1 (de) 2013-04-04 2014-07-09 Klaus Bellingroth Brecherwerkzeug
CN103934061B (zh) * 2014-04-17 2017-03-15 中国重型机械研究院股份公司 一种刀齿可拆卸的刀盘
GB201412012D0 (en) * 2014-07-04 2014-08-20 Mmd Design & Consult Breaker tooth and drum assembly for a nimberal breaker
US10258222B2 (en) 2014-07-21 2019-04-16 Endochoice, Inc. Multi-focal, multi-camera endoscope systems
DE102015206957B3 (de) 2015-04-17 2016-09-08 Takraf Gmbh Brechwalze für einen Brecher
GB201517407D0 (en) 2015-10-02 2015-11-18 Mmd Design & Consult Sizer tooth
CN110154277B (zh) * 2019-07-08 2020-06-19 霍昀 一种废旧轮胎破碎刀辊及其多功能破碎机
WO2022188031A1 (fr) 2021-03-09 2022-09-15 霍昀 Rouleau de broyage pour le recyclage de pneus usés, et broyeur multifonctionnel le comprenant
CN115193537B (zh) * 2022-09-14 2023-01-03 唐山天和环保科技股份有限公司 一种破碎机的分体式破碎齿环
CN116586172A (zh) * 2023-07-17 2023-08-15 青岛嘉枫城市建设有限公司 一种水资源保护用凹凸棒土粉碎筛选设备

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AU582818B2 (en) * 1985-02-06 1989-04-13 Mmd Design And Consultancy Limited Tooth construction for a mineral breaker
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WO2003006165A1 (fr) * 2001-07-12 2003-01-23 Mmd Design & Consultancy Limited Ensemble capuchon
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CN109963653B (zh) * 2016-11-23 2022-01-04 山特维克知识产权股份有限公司 辊式破碎机的破碎齿附接件

Also Published As

Publication number Publication date
US20140117133A1 (en) 2014-05-01
CN103769268B (zh) 2016-05-18
US9468928B2 (en) 2016-10-18
IN2013MU03293A (fr) 2015-07-10
AU2013245577B2 (en) 2015-08-20
CN103769268A (zh) 2014-05-07
AU2013245577A1 (en) 2014-05-15
EP2620218A1 (fr) 2013-07-31
CL2013003049A1 (es) 2014-03-14
DK2620218T3 (da) 2014-11-10
CA2830844A1 (fr) 2014-04-25
CA2830844C (fr) 2017-05-09

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