EP2070595B1 - Dispositif de réduction dimensionnelle par broyage, par concassage, par déchiquetage ou par grignotage, de matériaux ou de produits manufacturés de dimensions importantes - Google Patents

Dispositif de réduction dimensionnelle par broyage, par concassage, par déchiquetage ou par grignotage, de matériaux ou de produits manufacturés de dimensions importantes Download PDF

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Publication number
EP2070595B1
EP2070595B1 EP08305920A EP08305920A EP2070595B1 EP 2070595 B1 EP2070595 B1 EP 2070595B1 EP 08305920 A EP08305920 A EP 08305920A EP 08305920 A EP08305920 A EP 08305920A EP 2070595 B1 EP2070595 B1 EP 2070595B1
Authority
EP
European Patent Office
Prior art keywords
dimensional reduction
introduction ramp
ramp
reduction unit
crushing
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.)
Not-in-force
Application number
EP08305920A
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German (de)
English (en)
French (fr)
Other versions
EP2070595A1 (fr
Inventor
Arnaud Becker
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.)
Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to PL08305920T priority Critical patent/PL2070595T3/pl
Publication of EP2070595A1 publication Critical patent/EP2070595A1/fr
Application granted granted Critical
Publication of EP2070595B1 publication Critical patent/EP2070595B1/fr
Not-in-force legal-status Critical Current
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/28Details
    • B02C4/286Feeding devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26Details
    • B02C13/286Feeding or discharge
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C18/22Feed or discharge means
    • B02C18/2225Feed means
    • B02C18/2291Feed chute arrangements

Definitions

  • the present invention relates to the field of the treatment of materials of all origins, in particular by shredding using crushers or hammer mills, or the like, and relates to a device for reducing size by grinding, crushing, shredding or nibbling. materials or manufactured products of significant size.
  • the recovery of metal products from spent objects, especially motor vehicles, by crushers or grinders is generally carried out by introducing the objects into a hammer mill, via a introduction ramp equipped with a crushing drum; said hammer mill tears and shreds the material entering, by interaction with one or more anvils, ejects and / or discharges through screen walls mechanical waste obtained having a given size. This waste is then treated for disposal of unsuitable materials for reuse and sorting of the remaining materials according to their metallurgical characteristics.
  • Hammer mills known to date whose hammers are generally mounted on a rotor constituted by a disk assembly and are eclipsable in the rotor generally allow a correct grinding of the products to a predetermined density.
  • GB-A-771,433 a dimensional reduction device in which a mill is arranged perpendicularly to the longitudinal axis of a hopper provided with a bottom in the form of a table having an alternating displacement perpendicular to the mill.
  • this device does not provide a displacement of the entire hopper relative to the supply ramp and the mill inlet extends over at least the entire width of the movable table.
  • This document GB-A-771,433 thus describes a grinder and hopper assembly, wherein the mill is a conventional mill, the rotor extends at least the entire width of the feed table. As a result, a reduction in the size of the ensemle is not disclosed by this document.
  • the object of the present invention is to overcome these disadvantages by proposing a device for dimensional reduction by grinding, crushing, shredding or nibbling materials or manufactured products of large dimensions making it possible, in a small space, to treat these materials or the like. directly to their place of collection, without the need for additional transport.
  • the device according to the invention which essentially consists of an introduction ramp, optionally equipped with at least one crushing means, by means of dimensional reduction by grinding, crushing, shredding or by nibbling, by a support frame of the assembly and by a protective cover covering the assembly, is characterized in that the dimensional reduction means by grinding, crushing, shredding or nibbling is of small size compared to at the section of the introduction ramp and in that the introduction ramp and / or the dimensional reduction means are assigned a displacement movement with respect to each other, via means own motion training.
  • the figure 1 of the accompanying drawings represents a device for dimensional reduction by grinding, crushing, shredding or nibbling materials or manufactured products of large dimensions, which is essentially constituted by an introduction ramp 1, optionally equipped with at least one means 2, by a means 3 of dimensional reduction by grinding, crushing, shredding or nibbling, by a support frame 4 of the assembly and by a protective cover (not shown) covering the assembly.
  • This protective cover is of known type and is not shown to simplify the representation of the other component parts of the device according to the invention.
  • the means 3 of dimensional reduction by grinding, crushing, shredding or nibbling is of small size compared to the section of the introduction ramp 1 and said introduction ramp and / or the means dimensional reduction are assigned a displacement movement with respect to each other, by means of own displacement drive means.
  • the means 3 of dimensional reduction by grinding, crushing, shredding or nibbling is mounted on the support frame 4 in a movable manner back and forth in front of the end of the ramp. 1.
  • the dimensional reduction means 3 extends obliquely in front of the end of the introduction ramp 1, parallel to the plane of the latter. It is also possible to mount the dimensional reduction means 3 perpendicularly or transversely to the longitudinal axis of the insertion ramp 1. However, in the case of an angled assembly, the total width of the device may be further reduces.
  • the means 3 of dimensional reduction is, according to a first embodiment, in the form of at least one rotor comprising at least one active part in the form of fixed or articulated knives 3 'or 3 "fixed or articulated hammers or a combination of 3 'knives and 3" fixed and / or articulated hammers ( figure 2 ).
  • the rotor forming the means 3 can be constituted by at least one disc or a cylinder 31 provided with knives 3 'and / or hammers 3 "fixed or articulated
  • knives and / or hammers are known in the field of grinding and do not require any additional description. in known manner, these knives 3 'or hammers 3 "are reversible, are removably mounted on the disks or drive rollers 31 and can be easily and quickly interchanged after wear.
  • each branch 32 ' comprises a retractable impact tool 323 ", or a retractable cutting tool 323', said tools being
  • the tools 323 "or 323 ' can easily be returned to their mounting pin, for the implementation of their two faces and reduce the cost of use accordingly.
  • the means 3, in the form of a rotor is preferably driven by at least one hydraulic, electric or thermal motor 300 and the disk or cylinders 31 or the star disk (s) 32 is or are connected to the output shaft of said motor 300 directly or via a cardan drive or the like, such a cardan drive or the like which may be provided between two disks or cylinders 31 or disks as appropriate starred 32 successive.
  • a cardan drive or the like such a cardan drive or the like which may be provided between two disks or cylinders 31 or disks as appropriate starred 32 successive.
  • the rotor it is also possible for the rotor to be constituted by several individual elements, namely discs or drums 31, or stellate cylinders 32 arranged at regular intervals and each driven individually by a own drive motor.
  • the power of the drive motor may be limited, the energy required to drive a single disk or drum 31 or star disk 32 is significantly lower than that required for a large rotor.
  • such a juxtaposition makes it possible, while increasing the capabilities of the device, to limit the amplitude of the reciprocating displacement of the means 3.
  • said means 3 In the case of an arrangement of the means 3 of dimensional reduction by grinding, crushing, shredding or nibbling obliquely or transversely or perpendicularly with respect to the longitudinal axis of the introduction ramp 1, said means 3, with its drive motor 300 is advantageously mounted on a set of bearings 6 integral with an intermediate frame 6 ', which is displaceably mounted along the longitudinal axis of said means 3 in front of said feed ramp 1.
  • the intermediate frame 6 ' is guided on the support frame 4 in sliding manner by bearing on shafts or other guide profile 6 "cooperating with rollers or sliding pads and is driven in translation back and forth by the intermediate of a hydraulic cylinder 7 or a rack device or the like
  • the bearings 6 are mounted on the intermediate frame 6 'with the possibility of pivoting by Pport in the plane of the introduction ramp 1, by means of a cylinder 61 'or the like, between a service position and a position out of service, maintenance.
  • pivoting jack of the intermediate frame can be locked in different pivoting positions to the introduction ramp 1 for a spacing adjustment according to the wear of the tools of the rotors forming the means 3.
  • Such an assembly allows in addition, to facilitate stripping operations in case of blocking means 3.
  • the rotor or rotors constituting the means 3 are advantageously formed in the form of reversible elements, so that they can simply be returned to their bearings 6, when the knives 3 'or 3 "hammers or retractable impact tools 323", or retractable cutting tools 323 ', active in a first direction of rotation, are worn.
  • Such a reversal of the rotors can be simply performed by disconnecting their axis from the corresponding drive gimbals, and reconnection after their reversal.
  • the drive motor 300 is a reversible motor or equipped with an inverter and it suffices, if necessary, to modify its power supply after a reversal, to obtain a correct rotation of said rotor. Furthermore, this motor 300 may advantageously be equipped with a variable speed drive.
  • the assembly formed by a rotor and a drive motor can also be mounted on a pivotable bearing 180 ° about its axis.
  • the turning of the assembly is thus still facilitated and can be performed very simply and quickly when tool wear is noted.
  • the means 3 in all cases where the means 3 is made in the form of a rotor, the latter is advantageously provided with a shell or shell 5 retaining pieces to be crushed, crushed, shredded or nibble, this shell or shell 5 being provided with one or more openings 5 'of passage of the active parts of the tools carried by the rotor.
  • this shell or shell 5 is fixed, extends at least on the portion facing the introduction ramp 1 of the means 3 and is secured to the bearings 6 of mounting means 3 figure 2 ).
  • this shell or shell 5 extends symmetrically with respect to the rotor or the set of rotors constituting the means 3 of dimensional reduction by grinding, crushing, shredding or nibbling, over a length corresponding to any the width of the introduction ramp 1 increased by the length corresponding to the amplitude of the reciprocating displacement of said means 3.
  • the shell or fixed shell 5 is continuously in contact with the parts of the products to be treated closest to the rotor and holds them in the field of action of the tools of the latter, so that the progression of said products to be processed on the introduction ramp 1 is only possible depending on the grinding, crushing, shredding or complete nibbling performed by the 3 'knives or 3 "hammers, or the 323" collapsible impact tools, or the retractable cutting tools 323 'of the various rotors, that is to say after these tools have passed in front of said products over the entire width of the ramp 1, during the movement back and forth of the means 3.
  • FIG 4 of the accompanying drawings represents another variant embodiment of the dimensional reduction means 3, in which the said means 3 is designed as an affected planing element, in addition to a transverse or oblique displacement movement, a back and forth in a plane vertical to the plane formed by the ramp 1 or an oscillation movement relative to the plane of said ramp 1.
  • the means 3 operates only by tearing parts of the product of large size to reduce, during each passage back and forth in front of said product, the combination of simultaneous movement back and forth in a vertical plane or oscillation having the effect of allowing a destruction by nibbling or other all the way up.
  • the planing element forming the means 3 will be in the form of a flat or curved surface affected, in addition to a transverse reciprocating movement or at an angle to the introduction ramp 1, of a vertical movement. or oscillation parallel to the surface of the introduction ramp 1. It can thus be obtained a planing of the front part of the products to be treated by simple contact with the tools of the planing element forming the means 3.
  • FIG. figure 5 of the accompanying drawings It is also possible, according to a fourth embodiment of the invention, shown in FIG. figure 5 of the accompanying drawings, to mount the means 3 of dimensionally reducing pivotally in front of the introduction ramp 1, on a vertical axis or oblique with respect to the plane of said ramp 1.
  • Such an embodiment is applicable with all possible embodiments of the dimensional reduction means described in connection with Figures 2 to 3 .
  • the means 3 is simply moved in front of the ramp 1 along a pivot axis 8 vertical or oblique with respect to the introduction ramp 1, all other components of the means 3 may remain unchanged.
  • the means 3 will make an arc at the end of a support arm 9 pivotally mounted on the vertical or oblique axis 8, the other end of this support arm 9 carrying the support axis of the medium 3 with the drive motor 300 of the latter.
  • the dimensional reduction means 3 in the form of two rotor-drive motor assemblies 300 mounted on two parallel supports extending substantially close to edges of the feed ramp 1 and each assigned a pivoting movement towards the other and a reverse rotation movement of the other, but tending to drive the workpieces towards the exit of the ramp 1.
  • Such an embodiment makes it possible to perform, simultaneously with the grinding action, crushing, shredding or nibbling, a driving action on the products to be treated, since the two opposite means 3 are affected. of an inverse rotational movement, by which they tear parts of the products to project them into a space extending behind the introduction ramp 1, so that the grinding action, crushing age, shredding or nibbling will automatically pull these products towards the exit of the ramp 1.
  • said means 3 can also be provided, as in the embodiments according to the Figures 2 to 4 , a shell or shell 5 for protecting all the moving parts for supporting the tools and for driving said support parts.
  • the dimensional reduction means 3 is in the form of a pivotally mounted disk. between a position apart and inclined relative to the introduction ramp 1 and a position parallel to the introduction ramp 1, above the bottom of the latter.
  • the disc forming the dimensional reduction means 3 cooperates with the output of the introduction ramp 1 over at least the entire width thereof, is mounted, with its drive motor 300, on an arm of support, pivotable under the action of a jack or a cam or rod and crank assembly and is provided on its side facing said introduction ramp 1, chipping tools or impact.
  • the treated materials undergo, simultaneously with their grinding or nibbling, a drive down the ramp 1, because the two successive or parallel discs each tend to push the materials towards the median axis and therefore mutually towards each other, so that said materials are pulled towards the exit of the ramp 1.
  • the means 3 of dimensional reduction in the form of one or two pivoting disks, can also be covered, with its driving motor of a shell or protective shell 5 of all moving parts. supporting tools and driving said support parts.
  • the latter in the case of embodiment of the means 3 in the form of a rotor, the latter can be affected, with its drive motor 300, an oscillatory movement relative to its shell or shell 5 protection.
  • the support bearings of each rotor assembly and drive motor 300 are advantageously guided on the transverse or angled intermediate guide frame 6 'or on the corresponding end of the support arm 9 in an oscillating manner under the action of a ram 9 'of displacement back and forth. It is also possible to mount the rotor forming the means 3 on an eccentric drive shaft
  • Such an assembly of the rotor or rotors allows them to completely eclipse the tools they wear during part of their movement in front of the products to be treated, so that they can regain speed and regain their total power before said tools do not come into contact with the products to be treated again. Moreover, such an oscillatory movement will also facilitate the reciprocating movement of the means 3 back and forth.
  • the device is further provided, in extension of the introduction ramp 1, of grids 10 of calibration partially surrounding the means 3.
  • grids 10 are intended, in cooperation with the rotor tools or the like forming the means 3, to calibrate or densify the reduced elements and to allow the ejection of treated elements out of the processing space and work.
  • these grids 10 can be mounted on a rocking cradle by means of a jack. It is thus possible to eject non-crushable elements or to completely empty the work area in case of processing difficulties.
  • These grids which consist of an assembly of bars or in the form of a plate provided with calibrated openings may be either integral with the displacement frame of the dimensional reduction means 3, or integral with the corresponding end of the ramp of FIG. introduction 1.
  • These grids 10 can be either mobile or fixed.
  • the crushing means 2 may be in the form of a compacting element comprising a plurality of pairs of parallel flanges and actuated in displacement by means of hydraulic cylinders.
  • Such cheeks can achieve, for example, a crushing of the parts to be treated both in the direction of their width and in the direction of their height.
  • the work of grinding, crushing, shredding or nibbling is performed more homogeneously, any voids in the parts to be treated being previously removed, so that the yield of device can be improved.
  • the crushing means 2 in the form of a pre-grinding or pre-shredding element comprising one or more rollers or one or more parallel discs provided with teeth, knives or hammers allowing pre-cutting, pre-shredding, pre-grinding or pre-reduction of the parts or materials to be treated, this element being movable relative to the introduction ramp 1.
  • the crushing device 2 simultaneously serves as means for feeding said materials to the dimensional reduction means 3, as well as means for feeding the latter.
  • the means 3, as well as the calibration grids 10 remain fixed and only the introduction ramp 1 is set in motion in front of the means 3, the movement of the ramp being a translation movement, parallel to its axis longitudinal, in front of the means 3, disposed perpendicularly or at an angle to said ramp 1, when said means 3 is in the form of one or more rotors or in the form of a horizontal axis planing element.
  • the introduction ramp 1 will advantageously be affected by a pivoting movement with respect to the vertical axis of said rotor.
  • the translational movements parallel to the longitudinal axis or pivoting of the introduction ramp 1 will advantageously be achieved by the use of hydraulic cylinders or rod-crank control means driven by means of a hydraulic motor. variable speed.
  • the invention it is possible to produce a device for reducing by size, by crushing, crushing, shredding or nibbling, materials or machines of significant dimensions. It can be perfectly adapted to the dimensional reduction of a large variety of products of materials, materials, objects or machines.
  • the latter can be of relatively low power, so that the power supply for such a device can be reduced and can, by for example, be directly provided by a machine ensuring the supply of materials of the device.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Disintegrating Or Milling (AREA)
  • Portable Nailing Machines And Staplers (AREA)
EP08305920A 2007-12-14 2008-12-11 Dispositif de réduction dimensionnelle par broyage, par concassage, par déchiquetage ou par grignotage, de matériaux ou de produits manufacturés de dimensions importantes Not-in-force EP2070595B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08305920T PL2070595T3 (pl) 2007-12-14 2008-12-11 Urządzenie zmniejszające wymiary przez kruszenie, przez miażdżenie, przez rozdrabnianie albo przez zgniatanie materiałów albo wytworzonych wyrobów o dużych wymiarach

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0759834A FR2924953A1 (fr) 2007-12-14 2007-12-14 Dispositif de reduction dimensionnelle par broyage, par concassage, par dechiquetage ou par grignotage,de materiaux ou de produits manufactures de dimensions importantes

Publications (2)

Publication Number Publication Date
EP2070595A1 EP2070595A1 (fr) 2009-06-17
EP2070595B1 true EP2070595B1 (fr) 2010-10-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP08305920A Not-in-force EP2070595B1 (fr) 2007-12-14 2008-12-11 Dispositif de réduction dimensionnelle par broyage, par concassage, par déchiquetage ou par grignotage, de matériaux ou de produits manufacturés de dimensions importantes

Country Status (8)

Country Link
EP (1) EP2070595B1 (pt)
AT (1) ATE485889T1 (pt)
DE (1) DE602008003179D1 (pt)
DK (1) DK2070595T3 (pt)
ES (1) ES2357347T3 (pt)
FR (1) FR2924953A1 (pt)
PL (1) PL2070595T3 (pt)
PT (1) PT2070595E (pt)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB771433A (en) * 1954-10-22 1957-04-03 Smidth & Co As F L Improvements in rotary crushing machines
US4156508A (en) * 1976-09-22 1979-05-29 Cryogenic Recycling International Inc. Mobile material shearing apparatus
AU3549699A (en) * 1998-10-28 2000-05-15 Maguire Products, Inc. Shuttle granulator
SE520218C2 (sv) * 2001-10-19 2003-06-10 Rapid Granulator Ab Granuleringsmaskin för finfördelning av plastmaterial till granulat

Also Published As

Publication number Publication date
DE602008003179D1 (de) 2010-12-09
ES2357347T3 (es) 2011-04-25
PT2070595E (pt) 2011-01-13
FR2924953A1 (fr) 2009-06-19
ATE485889T1 (de) 2010-11-15
EP2070595A1 (fr) 2009-06-17
DK2070595T3 (da) 2011-02-07
PL2070595T3 (pl) 2011-04-29

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