EP3178560B1 - Dispositif de broyage de copeaux metalliques - Google Patents

Dispositif de broyage de copeaux metalliques Download PDF

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Publication number
EP3178560B1
EP3178560B1 EP15003487.4A EP15003487A EP3178560B1 EP 3178560 B1 EP3178560 B1 EP 3178560B1 EP 15003487 A EP15003487 A EP 15003487A EP 3178560 B1 EP3178560 B1 EP 3178560B1
Authority
EP
European Patent Office
Prior art keywords
endless conveyor
shaft
knife shaft
cutting
rotatably mounted
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
EP15003487.4A
Other languages
German (de)
English (en)
Other versions
EP3178560A1 (fr
Inventor
Karl-Heinz Kilian
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
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to TR2018/08060T priority Critical patent/TR201808060T4/tr
Priority to EP15003487.4A priority patent/EP3178560B1/fr
Priority to PL15003487T priority patent/PL3178560T3/pl
Priority to ES15003487.4T priority patent/ES2671022T3/es
Publication of EP3178560A1 publication Critical patent/EP3178560A1/fr
Application granted granted Critical
Publication of EP3178560B1 publication Critical patent/EP3178560B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14—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
    • 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
    • B02C18/22—Feed or discharge means
    • B02C18/2225—Feed means
    • B02C18/2241—Feed means of conveyor belt type
    • 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
    • B02C18/24—Drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • B02C2018/188—Stationary counter-knives; Mountings thereof

Definitions

  • the invention relates to a device for crushing metal chips.
  • metal shavings such as steel chips.
  • These metal chips are transported away by means of an endless conveyor of the lathe and conveyed into a container.
  • the volume of the metal chips can be significantly reduced, so that these containers must be emptied less frequently.
  • metal shavings are a recyclable raw material that is collected in containers for recycling. Regularly, the existing container volume has long been reached, although by weight, the container could be filled even fuller. Therefore, it is advantageous to obtain chips as small as possible in order to reduce the volume requirement of the chips and to be able to accommodate as large a mass of chips in a container.
  • the chips are regularly very sharp, so that the chips can not be compressed with bare hands to create more space in the container.
  • the risk of injury to employees would be too great.
  • devices for crushing known metal shavings having one or more rotatable shafts, which are each equipped with cutting blades.
  • a corresponding device is for example from the DE 44 06 675 A1 known.
  • On the rotatable blade shaft several disc-shaped cutting blades are pushed one behind the other and fastened in this threading sequence on the blade shaft.
  • the individual cutting teeth of the cutting blades can become blunt or break during operation, which makes it necessary to replace the cutting blades.
  • the knife shaft with all cutting blades must be regularly removed from the housing, so that the outer cutting blades can be removed from the blade shaft up to the cutting blade to be replaced.
  • the removed, functioning cutting blades must be re-attached to the blade shaft and this must then be re-installed in the housing.
  • Such a repair process is associated with a high work and time and thus economically unfavorable.
  • a crushing of the chips during the repair process is not possible, which may also result in a production stop of the lathes result.
  • devices for crushing metal shavings are known in which the rotatable cutter shafts are each equipped with a plurality of cutting blade modules that can be individually placed on the blade shafts and so releasably secured to the blade shaft, as seen in the direction of rotation of the blade shaft respectively at least two cutting modules are present.
  • Corresponding devices are for example already in the DE 94 18 544 U1 or the DE 20 2009 017 062 U1 known.
  • the present invention seeks to provide an improved device for crushing metal chips, which allows the lowest possible maintenance operation.
  • the device according to the invention for crushing metal shavings has at least one blade shaft mounted rotatably. At least two Schneidmoldule can be releasably attached to each blade shaft, which cooperate with at least one fixed male connector and thereby cause a crushing of the chips.
  • the cutting modules can each be placed individually on the blade shaft and so releasably secured to the blade shaft that seen in the direction of rotation of the blade shaft in each case at least two cutting modules are present.
  • the device can be positioned so that the metal chips transported by an endless conveyor can be stripped off the endless conveyor by the cutting modules fastened to the blade shaft.
  • the knife shaft and the endless conveyor are driven according to the invention by the same motor drive.
  • the endless conveyor can be produced and sold together with the knife shaft. However, it would also be possible to retrofit an already existing endless conveyor used in a factory.
  • both chip shredders and endless conveyors can be reversed simultaneously and together, should this be necessary to remove or prevent blockage.
  • Such a short-term reversion of the knife shaft may already be sufficient to prevent clogging, if during reversion no further metal chips fall into the gap between the knife shaft and fixed male connector.
  • the endless conveyor may have a drive shaft which is connected to the at least one rotatably mounted blade shaft. This can be done in a structurally particularly simple manner via a toothed belt or a chain.
  • the at least one blade shaft can be rotatably mounted in a bearing block.
  • the endless conveyor can be attached via at least one spacer.
  • Endless conveyor and knife shaft are thus present at a defined distance from each other and arranged in close proximity to each other.
  • This spatial proximity of the actual shredding unit to the endless conveyor means that those chips that do not fall off the endless conveyor independently can be stripped off the endless conveyor by the cutting modules attached to the blade shaft.
  • the cutting modules attached to the blade shaft By means of a corresponding grinding of the cutting teeth of the cutting modules, these can hook onto the chips and transport the chips away from the endless conveyor, towards the stationary knife edges, where the chips can be comminuted.
  • the at least one rotatably mounted cutter shaft and the end portion of the endless conveyor adjacent to the cutter shaft can be covered by a common hood.
  • the modular way of attaching the individual cutting modules makes it possible to individually detach and replace a defective cutting module from the blade shaft, without affecting other adjacent cutting modules. Also, it is not necessary to remove the blade shaft from the housing. The replacement of the individual cutting modules is thus uncomplicated and quickly possible, so that there is only a short service life of the device during maintenance.
  • the attachment of the cutting modules on the blade shaft can be done via at least one screw.
  • the individual cutting modules can each be screwed with at least two screws on the blade shaft.
  • the rotatably mounted blade shaft in its lateral surface have a plurality of pockets, in each of which a cutting module can be positioned.
  • a simple positioning of the individual cutting modules on the blade shaft can be made possible, which may be desirable in particular for the initial assembly of the individual cutting modules.
  • the cutting modules can be inserted exactly in the pockets and have a well-defined position with respect to adjacent cutting modules, so that an optimum cutting result can be achieved.
  • the assembly and replacement of the cutting modules can still be done quickly, so that only a small assembly time is required both during the initial assembly and when replacing one or more cutting modules.
  • the pockets can preferably be milled into the lateral surface.
  • the rotatably mounted blade shaft may be cylindrical.
  • the cross section of the rotatably mounted knife shaft would be in this case-apart from the pockets present in the lateral surface - circular.
  • the fixed male connector can be modular.
  • the male connector may have a plurality of blade units, which may be attached to a common blade holder, for example.
  • the individual modules of the fixed male connector can be easily replaced if one of the blade units is defective.
  • the attachment of the individual blade units can be done for example via one or more screws.
  • the inventive apparatus 10 for crushing metal chips 12 is shown schematically in FIG Fig. 1 and 2 shown.
  • the device 10 has a knife shaft 20 which is rotatably mounted in a bearing block 22.
  • the knife shaft 20 can be rotatably driven about the axis of rotation 24 by means of a motor drive, not shown.
  • the direction of rotation 26 runs in the present example in the clockwise direction.
  • the blade shaft 20 is provided with a drive shaft 28 which can be driven by the motor drive.
  • the knife shaft 20 has a circular cross section in the present example case.
  • a plurality of pockets 32 are present in the present example case.
  • a cutting module 34 may be inserted and secured.
  • the cutting modules 34 each have at least one bore into which a screw can engage in order to fasten the cutting modules 34 to the blade shaft 20 by means of a screw connection.
  • Each cutting module 34 is equipped with a cutting tooth.
  • the cutting modules 34 may be removed one at a time from the knife shaft 20. After loosening the fastening screw, the cutting module 34 to be replaced can be removed from the knife shaft 20.
  • the knife shaft 20 itself does not have to be removed from the bearing block 22. Also, no further cutting modules 34, which are not to be replaced, must be removed. The replacement of defective cutting modules 34 thus designed quickly and easily and is therefore economically advantageous.
  • the cutting teeth of the cutting modules 34 cooperate with a stationary male connector 40 to comminute the metal chips 12.
  • the fixed knife bar 40 is fixed by means of a knife holder 42 to the base 44 of the device 10. At this base 44 and the bearing block 22 is fixed to the blade shaft 20.
  • the male connector 40 has a modular construction and has a plurality of blade units 46.
  • the number of blade units 46 may correspond to the number of cutting modules 34 seen in the longitudinal direction of the blade shaft 20.
  • the individual blade units 46 are attached to the blade holder 42 via one or more screws. Due to the modular design of the fixed male connector 40, the individual blade units 46 can also be easily replaced in the event of a defect.
  • the apparatus 10 further has an endless conveyor 50 for metal chips 12, the end portion 52 of which is placed so close to the rotatably mounted cutter shaft 20 that the individual cutting modules 34 can serve as wipers for such metal chips 12 that do not fall off the endless conveyor 50 by themselves , In this way it can be prevented that some chips 12 are transported by the endless conveyor 50 back toward a lathe, not shown here, which can lead to blockages of the lathe.
  • the endless conveyor 50 is arranged in a housing 60 which is fastened by means of a plurality of spacers 62 to the substructure 44 of the bearing block 22 of the knife shaft 20. In this way it is ensured that the preset distance 54 between conveyor belt 56 and cutting teeth is maintained and not accidentally changed.
  • the drive shaft 64 of the endless conveyor 50 is rotatably mounted in the housing 60.
  • the drive shaft 64 of the endless conveyor 50 and the drive shaft 28 of the knife shaft 20 are connected to each other in the present example via a toothed belt 70.
  • both drive shafts 64, 28 are each provided with a gear wheel 72, 74.
  • the toothed belt 70 connects the two gears 72, 74 and thus also the two drive shafts 28, 64 with each other.
  • the endless conveyor 50 is thus driven by the same motor drive as the blade shaft 20.
  • only one common motor drive required, which significantly reduces the manufacturing and maintenance costs of the device 10.
  • the common motor drive it is possible by the common motor drive to take both drive shafts 28, 64 together in operation and also to stop together. In this way, it can be ensured that in the event of an imminent blockage in the area of the stationary knife bar 40 not only the rotation of the knife shaft 20 is stopped, but at the same time the conveyor belt 56 of the endless conveyor is stopped.
  • a simultaneous reversion of knife shaft 28 and endless conveyor 50 is possible, so the simultaneous change of the direction of rotation. Such a reversion may be required to prevent or redissolve incipient blockage in the area of the male connector 40.
  • the two gears 72, 74 may also be connected to each other by means of a chain. It would also be possible to let the gears 72, 74 mesh directly with each other.
  • the device 10 in the present exemplary case is arranged in a housing 80.
  • the housing 80 is closed by a hood 82 in the region of the knife shaft 20 and the end region 52 of the endless conveyor 50.
  • the hood 82 may preferably be transparent be formed to observe the crushing process can.
  • the hood 82 can not be opened, so that it is not possible to reach with his hands in the area of the fixed blade bar 40, which could lead to serious injuries. Only after stopping the knife shaft 20, the hood 82 can be opened, so that the crushing area is freely accessible. With the knife shaft 20 stopped, it is thus possible to carefully attempt to dissolve an impending blockage. Even with a reversion of the blade shaft 20, an opening of the hood 82 may be possible. Conversely, a commissioning of the device 10 requires that the hood 82 is closed. When the hood 82 is open, however, no rotation of the blade shaft 20 in the clockwise direction is possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Auxiliary Devices For Machine Tools (AREA)

Claims (7)

  1. Dispositif (10) pour broyer des copeaux métalliques (12), comprenant
    - au moins un arbre porte-couteaux (20) supporté à rotation, sur lequel sont fixés de manière détachable au moins deux modules de coupe (34), les modules de coupe (34) étant chacun posés individuellement sur l'au moins un arbre porte-couteaux (20) et étant fixés de manière détachable de telle sorte que, vu dans la direction de rotation (26) de l'arbre porte-couteaux (20), à chaque fois au moins deux modules de coupe (34) soient prévus,
    - un entraînement par moteur pour entraîner en rotation l'au moins un arbre porte-couteaux (20),
    - au moins une barre porte-couteaux fixe (40) coopérant avec les modules de coupe (34) de l'au moins un arbre porte-couteaux (20),
    - au moins un transporteur sans fin (50) pour les copeaux métalliques (12), les copeaux métalliques (12) transportés par le transporteur sans fin (50) pouvant être raclés du transporteur sans fin (50) par les modules de coupe (34) fixés à l'arbre porte-couteaux (20),
    caractérisé en ce que
    - le transporteur sans fin (50) peut être entraîné par l'entraînement par moteur de l'arbre porte-couteaux (20).
  2. Dispositif selon la revendication 1,
    caractérisé en ce que
    - le transporteur sans fin (50) présente un arbre d'entraînement (64),
    - l'au moins un arbre porte-couteaux (20) supporté à rotation est connecté à l'arbre d'entraînement (64) du transporteur sans fin (50).
  3. Dispositif selon la revendication 2,
    caractérisé en ce que
    - l'au moins un arbre porte-couteaux (20) supporté à rotation est connecté par le biais d'une chaîne ou d'une courroie dentée (70) à l'arbre d'entraînement (64) du transporteur sans fin (50).
  4. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    - l'au moins un arbre porte-couteaux (20) est supporté à rotation dans un bloc palier (22),
    - le transporteur sans fin (50) est fixé au bloc palier (22) par le biais d'au moins un élément d'espacement (62).
  5. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    - l'au moins un arbre porte-couteaux (20) supporté à rotation et la région d'extrémité (52) du transporteur sans fin (50) peuvent être recouverts par un capot commun (82).
  6. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    - l'arbre porte-couteaux (20) supporté à rotation présente, dans sa surface d'enveloppe (30), plusieurs cavités (32),
    - un module de coupe (34) peut à chaque fois être inséré dans les cavités (32).
  7. Dispositif selon la revendication 6,
    caractérisé en ce que
    - l'arbre porte-couteaux (20) supporté à rotation est réalisé sous forme cylindrique.
EP15003487.4A 2015-12-08 2015-12-08 Dispositif de broyage de copeaux metalliques Active EP3178560B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
TR2018/08060T TR201808060T4 (tr) 2015-12-08 2015-12-08 Metal talaşları parçalama tertibatı.
EP15003487.4A EP3178560B1 (fr) 2015-12-08 2015-12-08 Dispositif de broyage de copeaux metalliques
PL15003487T PL3178560T3 (pl) 2015-12-08 2015-12-08 Urządzenia do rozdrabniania wiórów metalowych
ES15003487.4T ES2671022T3 (es) 2015-12-08 2015-12-08 Dispositivo para triturar virutas metálicas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15003487.4A EP3178560B1 (fr) 2015-12-08 2015-12-08 Dispositif de broyage de copeaux metalliques

Publications (2)

Publication Number Publication Date
EP3178560A1 EP3178560A1 (fr) 2017-06-14
EP3178560B1 true EP3178560B1 (fr) 2018-04-04

Family

ID=54848376

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15003487.4A Active EP3178560B1 (fr) 2015-12-08 2015-12-08 Dispositif de broyage de copeaux metalliques

Country Status (4)

Country Link
EP (1) EP3178560B1 (fr)
ES (1) ES2671022T3 (fr)
PL (1) PL3178560T3 (fr)
TR (1) TR201808060T4 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3865216B1 (fr) 2020-02-13 2022-10-12 Karl-Heinz Kilian Dispositif de broyage de copeaux metalliques

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1738346A1 (ru) * 1989-07-20 1992-06-07 Самарское Научно-Производственное Объединение По Механизации И Автоматизации Производства Стружкодробилка
DE4406675A1 (de) 1993-03-08 1994-09-15 Erdwich Zerkleinerungs Systeme Vorrichtung zum schneidenden Zerkleinern von Materialien
DE9418544U1 (de) 1994-11-19 1995-03-16 Alpirsbacher Maschinenbau GmbH & Co.KG, 72275 Alpirsbach Metallspänezerkleinerer
DE10006757C1 (de) * 2000-02-15 2001-05-17 Mayfran Int Bv Verfahren und Vorrichtungen zum Zerkleinern von Spänen
US7828235B2 (en) * 2007-07-13 2010-11-09 Fellowes, Inc. Shredder auto feed system
DE202009017062U1 (de) 2009-12-17 2010-03-18 Kilian, Karl-Heinz Vorrichtung zum Zerkleinern von Spänen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
PL3178560T3 (pl) 2018-10-31
EP3178560A1 (fr) 2017-06-14
TR201808060T4 (tr) 2018-06-21
ES2671022T3 (es) 2018-06-04

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