EP2929992B1 - Logement de couteau pour une machine à découper - Google Patents

Logement de couteau pour une machine à découper Download PDF

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Publication number
EP2929992B1
EP2929992B1 EP15162410.3A EP15162410A EP2929992B1 EP 2929992 B1 EP2929992 B1 EP 2929992B1 EP 15162410 A EP15162410 A EP 15162410A EP 2929992 B1 EP2929992 B1 EP 2929992B1
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EP
European Patent Office
Prior art keywords
blade
mount
knife
section
prefixing
Prior art date
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Active
Application number
EP15162410.3A
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German (de)
English (en)
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EP2929992A1 (fr
Inventor
Günther Weber
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.)
Weber Maschinenbau GmbH Breidenbach
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Weber Maschinenbau GmbH Breidenbach
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Publication of EP2929992A1 publication Critical patent/EP2929992A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2614—Means for mounting the cutting member
    • B26D7/2621—Means for mounting the cutting member for circular cutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D2210/00—Machines or methods used for cutting special materials
    • B26D2210/02—Machines or methods used for cutting special materials for cutting food products, e.g. food slicers

Definitions

  • the invention relates to a knife holder for a cutting machine, in particular food slicing machine, and a handling device for mounting or dismounting a knife on the knife holder.
  • Knives for food slicing machines are well known and usually designed in the form of circular or sickle knives.
  • Conventionally the attachment of the knife to the blade receptacles by means of a central screw, partially in combination with an underlying pressure plate. Since there is only one fastening component here, it must have a very high reliability. In addition, in unfavorable cases there is the possibility of incorrect assembly of the central screw, especially in combination with the pressure plate.
  • the GB 2 351 464 A discloses a knife holder according to the preamble of claim 1.
  • the WO 2012/175405 A1 discloses a handling device according to the preamble of claim 8.
  • the invention has for its object to provide an alternative blade attachment, which not only the assembly and disassembly of a knife on a Knife recording easier, but also reduces the risk of incorrect assembly.
  • a knife holder according to the invention for a cutting machine, in particular food slicing machine comprises a contact surface for a knife, a receiving section axially projecting from the contact surface for the knife and at least one axially projecting from the contact surface, radially spaced to the receiving portion and engaging in the knife torque transmitting element, in which a receptacle for a fastening means for fastening the knife to the blade receptacle is formed.
  • the knife attachment does not take place centrally on the receiving portion, but rather decentrally on a torque transmission element which is at a distance from the receiving portion.
  • the torque-transmitting element thus fulfills a dual function in that it serves not only to transmit forces in the circumferential direction from the blade receptacle to the blade, but also to secure the blade to the blade receptacle. Frictional connection and positive connection between the knife and knife holder are carried out according to the invention thus at one and the same point, namely on the torque transmission element. In particular, a form-fitting must be given before you can even attract the non-positive connection.
  • an internal thread for receiving a screw provided for screwing the blade to the blade receptacle is formed in the torque transmission element, i. the frictional connection between the blade and the blade holder is achieved by a screw connection.
  • a screw connection In principle, however, other types of non-positive connections come into question, such. a clamping of the blade on the blade holder at the torque transfer points.
  • an axial dimension of the or each torque-transmitting element is less than an axial dimension of the blade in the region of the torque-transmitting element. In this way, it is ensured that the torque transmission element engages in the assembled blade, but does not project through it and, in particular, does not protrude therefrom on the side facing away from the blade receptacle, which would make screwing or clamping the blade difficult.
  • the torque transmitting element can engage in half or two thirds of the knife.
  • the axial dimension of the or each torque-transmitting element can also be greater than the axial dimension of the blade in the region of the torque-transmitting element.
  • the fixing means provided for fastening must be designed so that still can muster sufficient force to tighten or screw the knife. For example, this can be provided on the screw head a sufficiently deep cutout.
  • a ratio of the inner diameter to the outer diameter of the or each torque transmitting member is preferably in the range of 0.5 to 0.9.
  • An outer diameter of the receiving portion may be two to eight times and, for example, about three times as large as an outer diameter of the or each torque transmitting member.
  • the or each torque transmitting element preferably has an outer contour adapted to an associated aperture of the blade, i. the torque transmission element engages accurately in the associated aperture of the blade.
  • the or each torque-transmitting element form a concentric about the internal thread from the contact surface of the blade receiving centering collar, which dips into an associated opening of the blade. The height of the torque transmitting member is set back from that of the receiving portion to allow the prefixing of the knife to the receiving portion.
  • the torque transmission element does not need to dive in this case accurately in the opening of the knife in this case.
  • a further variant of a self-centering by the fastening means is that the torque transmission element in the form of a threaded bolt protrudes from the contact surface and that the attachment of the blade to the blade receptacle by means of a screw element with internal thread, which is screwed onto the threaded bolt and thereby causes a positive connection between the knife and torque transmitting element. Again, the positive connection or centering is thus integrated into the screw.
  • each of the torque transmitting elements serves as attachment points for the knife at the same time, the arrangement of several torque transmission elements a safer blade attachment is achieved, which keeps the knife even in case of failure of a fastener reliably on the blade holder.
  • each of the torque transmitting elements simultaneously forms a point of attachment for the knife.
  • there are four torque transmitting elements it would be quite possible to design only two of the torque transmitting elements, preferably two opposing torque transmitting elements, as attachment points for the blade while the other two torque transmitting elements are for power transmission only.
  • all torque transmitting elements have the same radial distance to the receiving portion and / or all torque transmitting elements are arranged distributed along a concentrically arranged with the receiving portion circular path, ie they are arranged on a common circle around the receiving portion located in the center around.
  • Such a rotationally symmetrical arrangement of the torque transmission elements not only contributes to minimizing imbalance of the blade, but also facilitates the assembly of the blade on the blade holder. In principle, however, it is also conceivable that the torque transmission elements do not all have the same distance to the receiving section and / or are not arranged uniformly distributed.
  • the receiving portion is at least partially cylindrical and adapted in particular to an associated circular central opening of the knife. At least one of the contact surface adjacent portion of the receiving portion may form a corresponding with the central opening of the knife fit to ensure a backlash-free as possible of the voltage applied to the contact surface knife on the blade section. On the other hand, a free end of the receiving portion facing away from the contact surface can have a reduced outer diameter compared to the partial portion adjacent to the contact surface.
  • the receiving portion may be gradually tapered or partially also have a certain conicity, to provide a certain "threading aid", facilitated by the insertion of the receiving portion in the central opening of the knife and the fit between the knife and receiving portion in the voltage applied to the contact surface end of the Knife is spared.
  • the receiving portion defines a particular cylindrical interior, which is frontally, ie at its end facing away from the contact surface, open and concentric with the receiving portion, so that an annular wall is formed.
  • the receiving section is at least partially hollow-cylindrical.
  • At least one prefixing pin protrudes from the annular wall radially into the interior.
  • two Vorfixierzapfen are provided, which are ideally arranged in the circumferential direction of the annular wall arranged identically distributed, i. So have a 180 ° offset.
  • the mounting of a knife to the knife holder is particularly easy if there is a symmetry in the relation between the prefixing pins and the torque transmitting elements, i. if the Vorfixierzapfen the same angular offset from each other as the torque transmission elements and thus the attachment points.
  • Vorfixierzapfen serves a prefixing of the knife to the blade holder during assembly of the knife, as will be explained in more detail below.
  • the blade receptacle forms a structural unit, which is mounted replaceably on a cutter head of the cutting machine.
  • the knife holder may have on its side facing away from the receiving portion for the knife with the cutter head coupling torque transmitting means.
  • the cutter head on its side facing away from the blade receiving a pivot bearing for rotatably supporting the cutter head on the cutting machine and / or a torque transmitting means, such as a shaft journal with attached pulley, have.
  • a knife e.g. a circular or sickle knife, for a cutting machine, in particular excremaschine, with a central opening which corresponds to a receiving portion of a blade holder of the cutting machine, in particular a blade receptacle of the type described above, and with at least one radially spaced from the central opening opening for the passage of a Attaching the knife provided on the blade holder and each one of the blade receiving axially projecting torque transmitting element associated fastening means, eg a screw or a clamping element, wherein the contour of the or each aperture is adapted to the outer contour of the torque transmitting element.
  • a knife allows attachment to the blade holder according to the invention in the manner described above, whereby the advantages already mentioned above can be achieved accordingly.
  • the knife may have a plurality and in particular a number of apertures adapted to the number of torque transmission elements, for example three apertures.
  • all apertures of the blade also have the same radial distance from the central aperture, and / or all the apertures can be evenly distributed along a circular path arranged concentrically with the central aperture, ie they are then on a common circle around the central aperture arranged equally distributed. In principle, however, it is also conceivable that the apertures do not all have the same distance to the central opening and / or are not arranged uniformly distributed.
  • the central opening of the knife is advantageously adapted to the contour of the associated receiving portion of the knife holder and formed in particular circular.
  • the knife also has a bore for receiving an axially projecting from a blade receiving rotary driving pin.
  • the bore allows mounting of the knife according to the invention also on a conventional blade holder, which still provides a frictional connection of the blade to the blade holder by means of central screwing and positive connection by means of a decentralized rotary driving pin.
  • a knife according to the invention can also be used in those cutting machines whose knife head has not yet been retrofitted with a knife holder according to the invention. A conversion of the cutting machine knife according to the invention is therefore possible without simultaneous replacement of the blade holder.
  • Another object of the invention is further a handling device for mounting or dismounting a knife, in particular of the type described above, on a knife holder of a cutting machine, in particular a knife holder of the type described above, with a means for releasably attaching the handling device to the knife and one, in particular rotationally fixed, attached to the handling device Vorfixierelement which can pass through a central opening of the attached to the handling device Mess and is inserted into an interior of a receiving portion of a blade holder of the cutting machine.
  • Such a handling device not only facilitates the transport of the knife, but can, if it covers a blade of the knife, also a person handling the knife from injury by the Protect knives. Therefore, the handling device may also be referred to as a knife guard.
  • the prefixing of the knife on the knife holder is not directly, but rather indirectly, since in fact the handling device the knife receptacle is prefixed, to which in turn the knife is attached.
  • the prefixing considerably simplifies the mounting of the knife on the knife holder since, after prefixing, the installer in principle releases the handling device and with both hands attaches, e.g. Screwing or clamping, the knife can dedicate to the knife holder.
  • the grasping for the fastening means and the tools required for bracing is simplified according to the invention.
  • the prefixing element is cylindrical and in particular adapted to the contour of the interior.
  • the introduced into the interior fixing can be rotated in this way relative to the receiving portion and can be stored largely free of play in this.
  • the pre-fixing can also be formed as a hollow cylinder, so to speak, form a Vorfixierhülse, and thereby receive an over the contact surface beyond end portion of the blade shaft in itself.
  • At least one guide in particular a sliding guide, is provided on at least one guide surface of the prefastening element for at least one prefixing pin of the blade receptacle projecting radially into the interior.
  • the guide and the prefixing pin permit locking of the prefixing element to the blade receptacle.
  • the guide for this purpose can be designed so that they have a first axial movement of the Vorfixierelements in the interior and then allowed a rotation of Vorfixierelements in the interior. In this way, the prefixing of the knife to the blade holder can be accomplished by two simple movements, namely (a) sliding the handling device together with knife on the receiving portion and (b) rotation of the handling device together with knife relative to the blade holder.
  • the guide is designed according to a particularly simple structural embodiment as a sliding guide and comprises an axially extending first groove portion and an adjoining and extending in the circumferential direction second groove portion.
  • the prefixing pin is pushed by the first axial movement along the first groove portion.
  • the prefixing pin is brought into the second groove section, as a result of which the prefixing element is now locked in the receiving section and can not accidentally fall off the knife receptacle without corresponding rotation of the handling device in the opposite direction.
  • the length of the first groove portion is dimensioned so that the handling device can be rotated together with knife, without the knife gets in contact with the torque transmission elements of the blade holder in contact or in a detent position.
  • the length of the second groove section is dimensioned such that the blade can be rotated at least until the openings of the blade are aligned with the torque transmission elements of the blade receptacle.
  • the slotted guide can additionally comprising an axially extending third groove portion extending from the second groove portion in a direction opposite to the first groove portion and in which the prefixing pin moves during the second axial movement of the prefixing member.
  • the width of the circumferentially extending second groove section can be formed at least in regions, for example in an end region of the second groove section facing away from the first groove section, greater than a maximum dimension of the prefixing pin in the axial direction. As a result, the prefixing pin can move sufficiently far within the second groove section during the second axial movement of the prefixing element.
  • a further subject of the invention is also a system comprising a knife holder of a cutting machine, in particular a knife holder of the type described above, a knife attachable to the knife holder, in particular of the type described above, and a knife attachable to the handling device, in particular of the type described above, wherein the knife for attachment to the knife holder by means of the handling device on the knife holder is prefixed.
  • prefixing of the blade to the blade receptacle is preferably effected by a first axial movement and a subsequent rotation of the handling device relative to the blade receptacle.
  • the prefixing of the knife to the knife holder can take place by inserting a prefixing element of the handling device in an interior of an associated receiving section of the knife holder and a guided rotation of the prefixing element in the interior.
  • openings of the knife with associated torque transmission elements can be aligned simultaneously with the rotation of the prefixing element and in a subsequent further introduction of Vorfixierelements in the interior, the openings of the knife are pushed onto the associated torque transmission elements until the blade rests against a contact surface of the blade holder.
  • the wall thickness of the knife can optionally be chosen smaller than before, because the force is applied via several attachment points.
  • a cutting machine equipped with the knife holder according to the invention and the knife according to the invention can not only be used for slicing foodstuffs, but in principle also for slicing other materials, such as e.g. Plastic materials, comes into question.
  • Fig.1 1 shows a blade receptacle 10 according to the invention according to a first embodiment, which is used for mounting a blade 12 (FIG. Fig. 2A ) on a cutting machine, not shown, in particular a food slicing machine, such as a high-performance slicer serves.
  • the knife holder 10 comprises a cylindrical base body 14 whose longitudinal central axis 16 coincides with an axis of rotation of the knife 12.
  • the longitudinal central axis 16 in this context forms the reference axis for the terms “axial” and "radial”.
  • Means for torque-transmitting coupling of the blade holder 10 are provided with a cutter head, not shown, of the cutting machine, here an axially extending shaft journal 18 with a feather key 20 on a rear side of the blade holder 10.
  • the blade receptacle 10 On a front side facing the blade 12, the blade receptacle 10 has a flange 22 which forms a contact surface 24 for the blade 12, which extends in a plane oriented at right angles to the longitudinal center axis 16.
  • a hollow cylindrical receiving portion 26 is shown, which is formed by an aligned with the longitudinal center axis 16 coaxially annular wall 28 which defines a cylindrical interior 30.
  • a rear partial section 32 of the annular wall 28 adjoining the contact surface 24 has a slightly larger outer diameter than a front section 34 of the annular wall 28 facing away from the contact surface 24.
  • Two diametrically arranged prefixing pins 36 are in the region of the front free end of the receiving section 26 in the annular wall 28 let in and project radially into the interior 30 inside.
  • Each torque transmitting element 38 is provided with an internal thread 39 into which a screw 40 for attaching the blade 12 to the blade holder 10 can be screwed.
  • the torque transmitting elements 38 are equally spaced from each other, i. with an angular offset of 120 ° around the receiving portion 26 around and along a concentric with the longitudinal central axis 16 arranged circular path, so that all the torque transmitting elements 38 have the same radial distance from the receiving portion 26.
  • the handling device 42 includes a guard ring 44, which surrounds a cutting edge of the blade 12 and covers protective. Furthermore, the handling device 42 has two mutually parallel and each equally spaced from a center of the guard ring 44 circular chord-like longitudinal struts 46 which are interconnected by a transverse strut 48 extending through the center of the guard ring 44. At the crossing points of the longitudinal struts 46 with the transverse strut 48 toggle bolts 50 are rotatably mounted, by means of which the handling device 42 can be detachably attached to the knife 12.
  • a Vorfixierelement 52 is rotatably formed on the cross member 48, which protrudes through a central opening 54 of the blade 12 and could basically taper slightly tapered starting from the cross member 48, but in the present embodiment has a cylindrical basic shape. Their outer diameter is adapted to the inner diameter of the hollow cylindrical receiving portion 26 of the blade holder 10, so that the Vorfixierelement 52 can be accurately inserted into the inner space 30 of the receiving portion 26.
  • the prefixing element 52 serves during the assembly of the knife 12 on the cutting machine of a pre-fixing of the handling device 42 on the blade holder 10th
  • a link guide 56 is formed in the lateral surface of the prefixing element 52 on the handling device 42 for each prefixing pin 36 of the knife holder 10.
  • Each slotted guide 56 has a first groove section 58 which extends axially away from the transverse strut 48 and has a free end face of the prefixing element 52, at the end of which a second groove section 60 extending in the circumferential direction adjoins.
  • the width of the first groove portions 58 and adjoining first portions 61 of the second groove portions 60 is slightly larger than an outer dimension of leading prefixing pin 36.
  • the first groove portions 58 facing away from end portions 62 of the second groove portions 60 have a width which is a multiple of the outer dimension of Vorfixierzapfen 36 corresponds, so that an axial movement of Vorfixierzapfens 36 in the end portions 62 is possible.
  • the circumferentially extending second groove portions 60 as in FIG Fig. 3B is shown continuously having a width adapted to the Vorfixierzapfen 36 and at their ends facing away from the first groove portion 58 each transition into a third groove portion 64 which extends axially in the direction of the cross member 48, ie in a direction opposite to the first groove portion 58 direction.
  • the axial first groove sections 58 are arranged with the Vorfixierzapfen 36 corresponding diametrically to the Vorfixierelement 52.
  • the length of the first groove portions 58 is matched to the axial extent of the provided on the contact surface 24 torque transmitting elements 38 so that when the introduced into the first groove portions 58 Vorfixierzapfen 36 pending at the transverse strut 48 facing ends of the first groove portions 58, the at the handling device 42 mounted knife 12 just does not abut the torque transmitting elements 38, but can rotate past them, while the Vorfixierzapfen 36 move along the second groove portions 60.
  • the length of the second groove sections 60 in the circumferential direction is dimensioned such that the handling device 42 can rotate at least as far relative to the blade receptacle 10 until three apertures 66 provided in the blade 12 are aligned with the torque transmission elements 38 for receiving the torque transmission elements 38.
  • the openings 66 along a concentric with the central opening 54 arranged circular path and that according to the torque transmission elements 38 evenly distributed, ie with an angular displacement of 120 °, and each with the same radial distance from the axis of rotation of the blade 12 as the Torque transmission elements 38.
  • the handling device 42 is attached to the knife holder 10 with the attached blade 12 so that the Vorfixierelement 52 of the handling device 42 with the receiving portion 26 of the blade holder 10 is aligned coaxially and the position of the first groove portions 58 of the slide guides 56 coincides with the position of Vorfixierzapfen 36.
  • the handling device 42 is pushed onto the receiving portion 26 of the blade holder 10, wherein the Vorfixierzapfen 36 along the first groove portions 58 of the slotted guide 56 move until they abut the transverse strut 48 facing the ends of the first groove portions 58 ( Fig. 5A ).
  • the knife 12 now has a minimum distance from the torque transmission elements 38.
  • the apertures 66 of the knife 12 are arranged at an angle to the torque-transmitting elements 38 in this situation (FIG. Fig. 4 ), which is achieved by a corresponding arrangement of the blade 12 on the handling device 42, concretely by a corresponding to the openings 66 angularly offset arrangement of the threaded holes in the blade 12 for the thumb screws 50th
  • the handling device 42 For aligning the perforations 66 of the knife with the torque transmitting elements 38 of the blade holder 10, the handling device 42 is next rotated relative to the blade holder 10.
  • the Vorfixierzapfen 36 in this case move along the circumferentially extending second groove portions 60 and secure the Vorfixierelement 52 thus falling out of the receiving portion 26. D.H. the handling device 42 and thereby also the knife 12 are pre-fixed to the blade holder 10.
  • Vorfixierzapfen 36 are in the extended end portions 62 of the second Groove portions 60, or alternatively in the third groove portions 64, and thus allow further axial movement of Vorfixierelements 52 in the receiving portion 26 inside.
  • the handling device 42 is now further pushed onto the blade holder 10 until the blade 12 rests against the contact surface 24, the rear portion 32 of the receiving portion 26 fits snugly in the central opening 54 of the knife 12 and the torque transmitting elements 38 fits snugly into the openings 66th intervention.
  • the screws 40 are now guided through the apertures 66, each brought into engagement with the internal threads 39 of the torque transmitting elements 38 and tightened with a predetermined torque.
  • the handling device 42 serves to counter.
  • the handling device 42 is released by appropriate operation of the toggle bolts 50 of the knife 12, rotated back relative to the blade holder 10 until the first groove portions 58 are aligned with the Vorfixierzapfen 36 again, and deducted from the blade holder 10.
  • the thus mounted on the blade holder 10 knife 12 is in Fig. 6 shown.
  • a second embodiment of a blade holder 10 is shown, which differs from the first embodiment described above, especially in that not two, but three Vorfixierzapfen 36 project into the interior 30 of the receiving portion 26 into it.
  • the Vorfixierzapfen 36 are arranged distributed along the inner circumference of the annular wall 28 and thus have an angular portion of 120 ° to each other.
  • the prefixing pins 36 are angularly offset by 60 ° relative to the torque transmission elements 38 arranged.
  • the Vorfixierelement the handling device 42 accordingly has three slide guides 56 for the Vorfixierzapfen 36.
  • This second embodiment with three prefixing pins 36 has the advantage over the first embodiment with only two prefixing pins 36 that the prefixing pins 36 can be inserted into any first groove sections 58 of the handling device 42, i.
  • the first embodiment with only two Vorfixierzapfen 36 care must be taken to the correct pairing Vorfixierzapfen 36 and first groove portions 58, as the handling device 42 in Trap of an opposite pairing with respect to the other initial angular position less far and in particular not sufficiently far enough to bring the openings 66 of the knife 12 with the torque transmitting elements 38 of the blade holder 10 to cover.
  • the blade 10 has a decentralized bore 68 for receiving this pin, not shown which can be arranged in the region of the circular path on which the perforations 66 lie ( Fig. 2A ).
  • the knife 12 has four circular openings 70 which lie outside of the circular path defined by the openings 66 and which are associated with an embodiment of the knife 12 known from the prior art.
  • the openings 70 are optional and may be omitted.
  • two slide guides 56 are introduced, which serve to receive each a Vorfixierzapfens 36 of the blade holder 10 and in the manner already described a pre-fixing and positioning of the blade 12 on the blade holder 10 allow.
  • the hollow-cylindrical configuration of the prefixing element 52 makes it possible to receive an end section 72 of a knife shaft 74 that projects beyond the contact surface 24 of the knife receptacle 10.

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Claims (12)

  1. Logement de couteau (10) pour une machine à couper, en particulier une machine à couper des produits alimentaires, comportant une surface d'appui (24) pour un couteau (12), en particulier un couteau circulaire ou un couteau en forme de faucille,
    une portion de logement (26) pour le couteau (12), qui fait saillie axialement de la surface d'appui (24), et
    au moins un élément transmetteur de couple de rotation (38) qui fait saillie axialement de la surface d'appui (24), qui est espacé radialement de la portion de logement (26) et qui vient s'engager dans le couteau (12), élément dans lequel est réalisé un logement pour un moyen de fixation destiné à fixer le couteau (12) sur le logement de couteau (10),
    caractérisé en ce que
    le logement de couteau (10) comprend un tenon de préfixation (36) qui pénètre radialement dans un espace intérieur (30) de la portion de logement (26).
  2. Logement de couteau (10) selon la revendication 1,
    caractérisé en ce que
    un taraudage (39) destiné à loger une vis (40) prévue pour visser le couteau (12) sur le logement de couteau (10) est réalisé dans le ou dans chaque élément transmetteur de couple de rotation (38).
  3. Logement de couteau (10) selon la revendication 1 ou 2,
    caractérisé en ce que
    une dimension axiale du ou de chaque élément transmetteur de couple de rotation (38) est inférieure à une dimension axiale du couteau (12) dans la zone de l'élément transmetteur de couple de rotation (38).
  4. Logement de couteau (10) selon l'une des revendications précédentes, caractérisé en ce que
    le ou chaque élément transmetteur de couple de rotation (38) présente un contour extérieur adapté à une traversée associée (66) du couteau (12).
  5. Logement de couteau (10) selon l'une des revendications précédentes, caractérisé en ce que
    il est prévu plusieurs éléments, en particulier trois éléments transmetteurs de couple de rotation (38), et en particulier
    tous les éléments transmetteurs de couple de rotation (38) présentent la même distance radiale de la portion de logement (26), et/ou tous les éléments transmetteurs de couple de rotation (38) sont équidistants le long d'une trajectoire circulaire agencée concentriquement à la portion de logement (26).
  6. Logement de couteau (10) selon l'une des revendications précédentes, caractérisé en ce que
    la portion de logement (26) est réalisée au moins partiellement en forme cylindrique et est en particulier adaptée à une ouverture centrale (54) circulaire associée du couteau (12), et au moins une portion partielle (32) de la portion de logement (26), voisine de la surface d'appui (24), forme un ajustement correspondant avec l'ouverture centrale (54) du couteau (12), et une extrémité libre de la portion de logement (26) présente un diamètre extérieur réduit par rapport à la portion partielle (32).
  7. Logement de couteau (10) selon l'une des revendications précédentes, caractérisé en ce que
    la portion de logement (26) définit un espace intérieur (30) en particulier cylindrique qui est ouvert du côté frontal et qui est orienté concentriquement à la portion de logement (26), de sorte qu'il en résulte une paroi annulaire (28), et au moins un tenon de préfixation (36) pénètre depuis la paroi annulaire (28) radialement dans l'espace intérieur (30).
  8. Dispositif de manipulation (42) pour monter ou démonter un couteau (12) sur un logement de couteau (10) d'une machine à couper, en particulier selon l'une des revendications 1 à 7, comportant
    au moins un moyen pour monter de façon détachable le dispositif de manipulation (42) sur le couteau (12), et
    un élément de préfixation (52) monté en particulier solidairement en rotation sur le dispositif de manipulation (42), élément qui est apte à traverser une ouverture centrale (54) du couteau (12) monté sur le dispositif de manipulation (42) et qui peut être introduit dans un espace intérieur (30) d'une portion de logement (26) d'un logement de couteau (10) de la machine à couper,
    caractérisé en ce que
    sur une surface enveloppe de l'élément de préfixation (52), il est prévu au moins un guidage (56) pour au moins un tenon de préfixation (36) du logement de couteau (10), pénétrant radialement dans l'espace intérieur.
  9. Dispositif de manipulation (42) selon la revendication 8,
    caractérisé en ce que
    l'élément de préfixation (52) est adapté au contour de l'espace intérieur (30) et est en particulier réalisé cylindrique ou cylindrique-creux.
  10. Dispositif de manipulation (42) selon l'une des revendications 8 ou 9, caractérisé en ce que
    le guidage qui est en particulier un guidage à coulisse est réalisé de manière à permettre un premier mouvement axial de l'élément de préfixation (52) jusque dans l'espace intérieur (30), une rotation de l'élément de préfixation (52) dans l'espace intérieur (30) et ensuite un second mouvement axial de l'élément de préfixation (52) jusque dans l'espace intérieur (30).
  11. Dispositif de manipulation (42) selon la revendication 10,
    caractérisé en ce que
    le guidage est réalisé en forme de guidage à coulisse (56) et comprend une première portion de gorge (58) s'étendant axialement et une seconde portion de gorge (60) qui s'y raccorde et qui s'étend en direction circonférentielle, et en particulier
    le guidage à coulisse (56) comprend en supplément une troisième portion de gorge (64) s'étendant axialement qui s'étend à partir de la seconde portion de gorge (60) dans une direction opposée à la première portion de gorge (58), et/ou
    la largeur de la seconde portion de gorge (60) s'étendant en direction circonférentielle est au moins localement supérieure à une dimension maximale du tenon de préfixation (36), vu en direction axiale.
  12. Système, comprenant :
    un logement de couteau (10) d'une machine à couper, en particulier d'une machine à couper des produits alimentaires, selon l'une des revendications 1 à 7,
    un couteau (12), en particulier un couteau circulaire ou un couteau en forme de faucille, susceptible d'être fixé sur le logement de couteau, pour la machine à couper, comprenant une ouverture centrale qui correspond avec une portion de logement (26) du logement de couteau (10) de la machine à couper, et au moins une traversée (66) radialement espacée de l'ouverture centrale (54) pour le passage d'un moyen de fixation prévu pour fixer le couteau (12) sur le logement de couteau (10) et associé à un élément transmetteur de couple de rotation (38) respectif faisant saillie axialement de la surface d'appui (24) du logement de couteau (10), le contour de la ou de chaque traversée (66) étant adapté au contour extérieur de l'élément transmetteur de couple de rotation (38),
    un dispositif de manipulation (42) selon l'une des revendications 8 à 11, susceptible d'être monté sur le couteau (12),
    et, en vue d'une fixation sur le logement de couteau (10), le couteau (12) est susceptible d'être préfixé sur le logement de couteau (10) au moyen du dispositif de manipulation (42).
EP15162410.3A 2014-04-10 2015-04-02 Logement de couteau pour une machine à découper Active EP2929992B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014105130.0A DE102014105130A1 (de) 2014-04-10 2014-04-10 Messer und Messeraufnahme für eine Schneidemaschine

Publications (2)

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EP2929992A1 EP2929992A1 (fr) 2015-10-14
EP2929992B1 true EP2929992B1 (fr) 2017-07-19

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EP15162410.3A Active EP2929992B1 (fr) 2014-04-10 2015-04-02 Logement de couteau pour une machine à découper

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US (1) US10071496B2 (fr)
EP (1) EP2929992B1 (fr)
CN (1) CN104972507B (fr)
CA (1) CA2887423C (fr)
DE (1) DE102014105130A1 (fr)
ES (1) ES2644040T3 (fr)

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DE102014105130A1 (de) * 2014-04-10 2015-10-15 Weber Maschinenbau Gmbh Breidenbach Messer und Messeraufnahme für eine Schneidemaschine
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CN111571683B (zh) * 2020-03-30 2023-12-22 爱有创能技术有限公司 一种锂电池极耳切边装置
EP4116050A1 (fr) * 2021-07-08 2023-01-11 Bizerba SE & Co. KG Dispositif de retrait de lame pour une machine à couper

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Also Published As

Publication number Publication date
CN104972507B (zh) 2018-08-21
CA2887423A1 (fr) 2015-10-10
US20150290828A1 (en) 2015-10-15
ES2644040T3 (es) 2017-11-27
CA2887423C (fr) 2022-01-04
DE102014105130A1 (de) 2015-10-15
EP2929992A1 (fr) 2015-10-14
US10071496B2 (en) 2018-09-11
CN104972507A (zh) 2015-10-14

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