EP2502717A1 - Adjustment unit - Google Patents

Adjustment unit Download PDF

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Publication number
EP2502717A1
EP2502717A1 EP20120172931 EP12172931A EP2502717A1 EP 2502717 A1 EP2502717 A1 EP 2502717A1 EP 20120172931 EP20120172931 EP 20120172931 EP 12172931 A EP12172931 A EP 12172931A EP 2502717 A1 EP2502717 A1 EP 2502717A1
Authority
EP
European Patent Office
Prior art keywords
adjusting unit
bearing
cutter head
adjustment
actuator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20120172931
Other languages
German (de)
French (fr)
Other versions
EP2502717B1 (en
Inventor
Guenther 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
Original Assignee
Weber Maschinenbau GmbH Breidenbach
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 Weber Maschinenbau GmbH Breidenbach filed Critical Weber Maschinenbau GmbH Breidenbach
Publication of EP2502717A1 publication Critical patent/EP2502717A1/en
Application granted granted Critical
Publication of EP2502717B1 publication Critical patent/EP2502717B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B26D7/2628—Means for adjusting the position of the cutting member
    • B26D7/2635—Means for adjusting the position of 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
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/143—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a stationary axis
    • 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
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/26—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
    • B26D1/28—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting
    • 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
    • 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
    • B26D2210/08—Idle cutting
    • 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
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/02—Means for moving the cutting member into its operative position for cutting
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/768—Rotatable disc tool pair or tool and carrier
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/768—Rotatable disc tool pair or tool and carrier
    • Y10T83/7872—Tool element mounted for adjustment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9372—Rotatable type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9372—Rotatable type
    • Y10T83/9403—Disc type

Definitions

  • the present invention relates to an adjusting unit for generating a translatory adjusting movement of a knife head attachable to the adjusting unit of a cutting machine, in particular a slicer for cutting food products.
  • the product slices are transported on a feed to a cutting edge where they are sliced into product slices by the cutting blade of a knife head of a slicing machine.
  • the cutting gap which is defined by the distance between the knife plane and the cutting edge, to a defined extent.
  • the adjustment of the cutting gap or the mentioned relative adjustment between knife or cutter head and product feed or cutting edge can be carried out, for example, by shifting the feed or the cutting edge formed by the feed relative to the knife plane.
  • the adjustment of the cutting gap can also be made by moving the cutter head relative to the cutting edge by means of an adjustment device.
  • an adjustment device is a generally separate adjusting mechanism, which has an actuator for carrying out the adjustment movement.
  • the bearings vary in extent compared to the moving parts of the actuator, which can be particularly noticeable in the prevailing in the processing of food products environmental conditions where inside the cutter head up to 70 ° C. whereas the ambient temperature is usually only in the range between 5 ° and 15 ° C when processing food products.
  • an adjusting unit for generating a translatory adjusting movement of a cutter head attachable to the adjusting unit of a cutting machine, in particular a slicer for slicing food products, which has a housing assembly, an actuator arranged therein and a specially designed bearing for the actuator.
  • the actuator is composed, inter alia, of a stationary in the adjustment direction part and a relative to the stationary part in the direction of adjustment movable part, which is designed to carry out the adjusting movement.
  • the bearing of the invention are permanently dimensionally stable due to their elastic deformability, so that the bearings are not subject to wear and tear and thus must not be replaced even after a long and long operational use of the adjustment according to the invention.
  • the movable part of the actuator engages the elastically deformable bearing. If, in the context of the present application, it is mentioned that the movable part acts on the bearing according to the invention, this does not necessarily mean that the movable part is fastened directly to the elastically deformable bearing; Rather, the movable part is only in such a manner with the elastically deformable bearing in kinematic operative connection that it moves by actuation by means of the stationary part of the actuator together with the bearing in the adjustment direction. In other words, between the movable part of the actuator and the bearing further components may be interposed, which establish a coupling between the movable part of the actuator and the bearing to ensure the operative connection between these two components.
  • the cutter head is detachably or replaceably attachable to the adjustment.
  • Form this Knife head and adjustment unit thus no common, but each a separate unit.
  • the cutter head is a separate unit, which can be coupled as a whole to the adjustment and removed from this again. So it is particularly possible to use a single adjustment with a variety of different cutter heads.
  • the adjusting unit has an interface with which a cutter head designed as a separate structural unit can be coupled.
  • This interface is provided in particular on the actuator, wherein preferably the movable part of the actuator forms the interface.
  • the coupling between the cutter head and adjustment takes place in particular by screwing.
  • the bearing comprises a radially outer region and a radially inner region, wherein the bearing is attached to the radially outer region of the housing assembly and engages with the radially inner portion of the movable member.
  • the bearing is thus fixed externally, in particular clamped, and interacts with the inside of the actuator or its movable part. Forces acting on the bearing in the radial direction via the cutter head can thus be absorbed by the radially outer housing assembly to which the bearing is fastened with its radially outer region.
  • the bearing is fastened to a housing assembly which is stationary during the cutting operation, relative to which a cutting blade of the cutter head moves in particular in a rotating manner during the cutting operation.
  • the Housing assembly and attached to this camp are therefore stationary or static components, ie, for example, during a cutting operation rotating cutting blade, the housing assembly and the bearing do not rotate. This is achieved by the separation between adjustment on the one hand and cutter head on the other.
  • the actuator may either be a manually operated or a motor driven actuator.
  • the adjustment of the adjustment according to a preferred embodiment extends in the axial direction, which is understood in the context of the present invention, a parallel alignment with a rotational axis of a rotating during operation cutting blade attachable to the adjustment blade head.
  • the bearing in the radial direction that is perpendicular to the adjustment, formed substantially non-deformable, so that in the desired manner, the required dimensional accuracy in the radial direction can be maintained.
  • the bearing according to the invention has, globally, an anisotropic deformation behavior which permits deformations in the axial direction but, on the other hand, prevents radial deformations as a result of the rigidity of the bearing in this direction.
  • the radial rigidity of the bearing ensures that the considerable transverse forces acting during the operation of the cutter head can be absorbed, without fear of a displacement of the axis of rotation in the radial direction.
  • the bearing comprises at least one bearing element, which is cantilevered perpendicular to the adjustment direction on the housing assembly, wherein acts on the projection or at the free end of the projection of the movable part of the actuator in the manner described above.
  • the bearing thus acts as a kind of spring element whose spring action is due to the modulus of elasticity in connection with the cross-sectional values and dimensions of the freely projecting part of the bearing.
  • the bearings could be a multiplicity of cantilevered rod elements, at the respective free ends of which the movable part of the actuator engages.
  • the bearing element may also be a planar body whose surface normal runs in the axial direction and which is fixedly clamped along its circumference to the housing assembly.
  • the mentioned anisotropy with regard to the deformation behavior of the bearing can be achieved solely on account of its shape.
  • the flat-shaped bearing body due to its relatively large cross-sectional area considered in the radial direction will behave relatively stiff and deformation, whereas the flat trained bearing body in the axial direction due to the effective in the axial direction area moment of inertia rather soft and thus deformable, so that solely due to Shape of the bearing element, the desired anisotropic deformation behavior can be achieved.
  • the bearing element may be formed, for example, as a sheet, in particular as a steel sheet, which is due to the metallic Materials characteristic deformation behavior in the elastic region proves to be advantageous.
  • the elastic behavior can thus be attributed solely and solely to the elasticity of the material and to the cantilevered mounting with one-sided clamping, so that no additional measures must be taken to give the bearing the desired elastically deformable property.
  • the planar bearing body can have an opening which is defined by the free end of the projection in the planar body.
  • the projection or the free end of the projection is thus effectively a closed edge region which defines the opening of the planar body.
  • the bearing may be a sheet-metal ring, which is firmly clamped on its outer circumference to the housing assembly, and on the inner circumference of which is formed by said edge region, the movable part of the actuator engages.
  • the movable part of the actuator in the radial direction can be supported evenly by the bearing, whereby an eccentric deformation of the movable part of the actuator can be counteracted.
  • the bearing may in a preferred embodiment of the invention comprise a plurality of sheets which are laminated together to form a laminated core.
  • the bearing is a sheet metal ring, it is concentric with each other, so that the respective openings of the sheet metal rings are aligned with each other.
  • the training of the camp as Laminated core with a large number of plates stacked on top of one another proves to be particularly advantageous in that the rigidity of the bearing is substantially increased in the radial direction.
  • the adjusting unit according to the invention has at least two respectively fixed to the housing assembly, in the adjustment elastically deformable bearing, which are spaced apart in the adjustment direction, and where the movable part of the actuator in the manner described above, namely for example indirectly attacks.
  • Such a mounting of the movable part of the actuator via at least two bearing elements according to the invention, as described in the preceding sections, proves to be advantageous in that thereby possible tilting of the movable part of the actuator can be prevented.
  • the second bearing could also be realized in the form of the rolling or plain bearings described above, the dimensional stability of the bearing can not be permanently maintained with these, as described above, which in turn can lead to tilting of the movable part of the actuator.
  • the bearing plates can be formed as a laser-cut annular circular blanks, as can be produced with the help of a laser-controlled cutting process very accurate and dimensionally stable components.
  • the stationary part of the actuator comprises a drivable threaded spindle
  • the movable part of the actuator comprises a spindle nut, which interacts kinematically with the threaded spindle and which can be moved translationally by actuating the threaded spindle in the adjustment direction, ie in the axial direction.
  • the threaded spindle has an external thread on which the spindle nut is screwed with its internal thread, so that by a rotation of the stationary threaded spindle, the spindle nut can be moved in the longitudinal direction.
  • the actuator could for example be designed as a piston-cylinder unit with a stationary cylinder and a piston arranged to be movable.
  • the design of the actuator proves to be a threaded spindle with screwed thereon spindle nut due to the self-locking property of such a spindle drive particularly advantageous.
  • the invention also relates to a device for slicing food products, in particular a high-speed slicer, with a cutter head, which comprises a cutting blade which can be driven to rotate, in particular rotating, and with an adjusting unit, as stated here, for generating a translatory adjusting movement of the cutter head ,
  • the adjustment and the cutter head are formed as separate units that are detachably or interchangeably connected to each other.
  • the adjusting unit can be designed as a carrier for the cutter head.
  • an axis of rotation of the cutting blade of the cutter head and an axis of rotation of the actuator the adjustment arranged at a distance from each other.
  • the cutting blade of the cutter head is thus mounted eccentrically with respect to the actuator on the adjusting unit.
  • the adjustment unit - with the exception of its own adjustment movements - is a static or stationary unit. This means that no components of the adjustment unit are forced to move together with the cutter blade of the cutter head. Unnecessary movements of components of the adjustment are thereby avoided. In the case of a cutting blade rotating during the cutting operation, for example, no component of the adjusting unit is forced to rotate together with the cutting blade or another component of the cutter head.
  • the adjusting unit is thus independent of movements to which components of the cutter head are capable, in particular of a drive for the cutting blade.
  • Fig. 1 and 2 show an adjusting unit 10 according to the invention, which has a cutter head carrier 32, in which in.
  • a cutter head 12 is screwed on which is to be received at this point only insofar as it has a cutting blade 34, which is to be adjusted in the axial direction A or in the adjustment A, to adjust the cutting gap between the knife plane 58 and a cutting edge 60 shown here only schematically, which is formed at the end of a product support 62 for a loveddes product 64.
  • the adjustment unit 10 and the cutter head 12 are separate units.
  • Fig. 1 is a dividing plane 52 indicated on one side of the cutter head 12 and on the other side, the adjustment unit 10 is located.
  • a movable part 32 of an actuator which will be discussed in more detail below.
  • the screw 36 are used both for fixing a part 28 of a bearing, which will also be discussed below, as well as for coupling the adjustment 10 with the cutter head 12, with a holder 66 of the cutter head, the central axis in the assembled state with a rotation axis 54 of the actuator coincides.
  • the center axis of the holder 66 is spaced parallel from a rotation axis 56 of the cutting blade 34.
  • the adjusting unit 10 has a housing assembly 14, which is composed of a plurality of housing parts, which are flanged together using a plurality of screws to each other in combination to form the housing assembly 14, in the interior of which a working space 16 is located.
  • a spindle drive is arranged, which comprises an axially aligned spindle 24 and a screwed thereto nut 26.
  • the spindle 24 is circumferentially mounted on the inner wall of the housing assembly 14 via two angular contact bearings 18, so that they can be made via a worm drive from worm wheel 20 and worm 22 manually or motorized to rotate about its longitudinal axis.
  • the spindle 24 is arranged stationary in the working space 16 in the axial direction, so that rotation of the threaded spindle 24 leads to an adjustment movement of the spindle nut 26 in the axial direction.
  • the spindle nut 26 is surrounded by the cutter head carrier 32, which is connected to the spindle nut 26 such that the cutter head carrier 32 moves in the adjustment movement of the spindle nut 26 in the axial direction together with this.
  • the cutter head carrier 32 As already mentioned briefly above, the cutter head 12 is fastened by means of the screw connection 36, so that the adjusting movement of the spindle nut 26 can be transmitted to the cutter head 12 via the cutter head carrier 32.
  • two bearings 28, 30 spaced apart from one another are in the form of two according to the invention formed laminated cores, which extend radially from the housing assembly 14 inwardly into the working space 16.
  • Fig. 2 how the particular Fig. 2 can be removed, it is in the laminated cores 26, 30 to a plurality of laminated cores 28, 30 flat stacked circular metal rings or sheet blanks, wherein the laminated core 30 has a smaller outer diameter than the laminated core 28.
  • the individual circular blanks of the two laminated cores 26, 30 have concentric openings through which the threaded spindle 24 extend together with the adjusting unit 26, 32.
  • the two laminated cores 28, 30 are fixedly clamped to the housing assembly 40 with the aid of the radially outer screw connections 38, 40, so that the radially inner sections 42, 44 of the laminated cores 28, 30 projecting from the housing subassembly 14 into the working chamber 16 show an elastic deformation behavior in the axial direction.
  • the cutter head carrier 32 is fastened with the aid of radially inner screw connections 48, 36 to the laminated cores 28, 30, in particular at the ends of the projecting sections 44, 42, so that the actuating unit 26, 32 viewed in the axial direction is mounted movably opposite the housing assembly 14 , In the radial direction, however, the bearings 28, 30 or the sheet-metal packages 28, 30 forming sheet metal rings on such a high rigidity that an evasion of the actuator 26, 32 in the radial Direction is excluded at least in the forces acting during operation of the cutter head 12 forces.
  • the screw 22 is operated by motor or hand operated, whereby the worm wheel 20 is driven, which in turn causes the spindle 24 to rotate about its longitudinal axis. Since the spindle 24 is mounted stationary in the axial direction, the rotational movement of the spindle 24 causes the spindle nut 26, including the cutter head carrier 32 applied thereon, to be displaced in the axial direction.
  • the axial adjustment of the actuator 26, 32 causes the laminated cores 28, 30 deform in the axial direction in itself.
  • the laminated cores 28, 30 serve the laminated cores 28, 30 as a rigid support for the control unit 26, 32, so that the actuator 26, 32 is guided by the bearing on the laminated cores 28, 30 in the axial direction movable through the laminated cores 28, 30.
  • the laminated cores 28, 30 Due to the fact that the laminated cores 28, 30 have a very high stiffness in the radial direction and are thus substantially undeformable in this direction, the goal of a very dimensionally accurate and precise mounting in the radial direction can be achieved without thereby resulting from a permanent use To suffer wear due to relative movements, as they occur in the known storage of the actuator 26, 32 using rolling or plain bearings. Such relative movements do not occur in the inventive storage of the adjusting unit 26, 32, since the movement the adjusting unit 26, 32 is not compensated by a relative movement relative to a bearing, but by a deformation of the laminated cores 28, 30 in itself, so that no signs of wear due to relative movements occur.

Abstract

The unit has an actuator arranged in a housing assembly. A fixed part (24) is fixed in an adjusting direction. Movable parts (26, 32) move in the direction opposite to the fixed part to perform an adjustment movement of a milling head (12) of a cutter i.e. slicer. Bearings (28, 30) are elastically deformed in an adjusting direction (A), and are fastened to the assembly. The bearings engage the movable parts. The adjustment direction runs parallel to a rotation axis of a knife (34) of the head. The bearings are un-deformable perpendicular to the adjustment direction.

Description

Die vorliegende Erfindung betrifft eine Verstelleinheit zum Erzeugen einer translatorischen Verstellbewegung eines an der Verstelleinheit anbringbaren Messerkopfes einer Schneidemaschine, insbesondere eines Slicers zum Aufschneiden von Lebensmittelprodukten.The present invention relates to an adjusting unit for generating a translatory adjusting movement of a knife head attachable to the adjusting unit of a cutting machine, in particular a slicer for cutting food products.

Zum Aufschneiden von Lebensmittelprodukten, wie beispielsweise in Form von in Produktlaiben vorliegenden Käse-, Wurst- und Schinkenwaren, werden die Produktlaibe auf einer Zuführung zu einer Schneidkante transportiert, wo sie mittels des Schneidmessers eines Messerkopfes einer Schneidemaschine in Produktscheiben geschnitten werden. Bei diesem Schneidevorgang ist es aus unterschiedlichen Gründen wünschenswert, den Schneidspalt, welcher durch den Abstand zwischen der Messerebene und der Schneidkante definiert wird, auf ein definiertes Maß einzustellen. Ferner kann es wünschenswert sein, während des Schneideprozesses Leerschnitte auszuführen, was ebenfalls ein Verstellen des Messers bzw. des Messerkopfes relativ zur Produktzuführung bzw. Schneidkante erfordert.For slicing food products, such as cheese, sausage and ham products present in product slices, the product slices are transported on a feed to a cutting edge where they are sliced into product slices by the cutting blade of a knife head of a slicing machine. In this cutting operation, it is desirable for different reasons to set the cutting gap, which is defined by the distance between the knife plane and the cutting edge, to a defined extent. Furthermore, it may be desirable to carry out idle cuts during the cutting process, which also requires an adjustment of the knife or the cutter head relative to the product feed or cutting edge.

Die Einstellung des Schneidspalts bzw. die erwähnte Relativverstellung zwischen Messer bzw. Messerkopf und Produktzuführung bzw. Schneidkante kann beispielsweise dadurch vorgenommen werden, dass die Zuführung bzw. die von der Zuführung gebildete Schneidkante relativ zur Messerebene verschoben wird. Alternativ dazu kann die Einstellung des Schneidspalts auch dadurch vorgenommen werden, dass der Messerkopf relativ zur Schneidkante mit Hilfe einer Verstellvorrichtung bewegt wird. Bei einer derartigen Verstellvorrichtung handelt es sich um einen in aller Regel separaten Verstellmechanismus, welcher einen Aktuator zur Ausführung der Einstellbewegung aufweist.The adjustment of the cutting gap or the mentioned relative adjustment between knife or cutter head and product feed or cutting edge can be carried out, for example, by shifting the feed or the cutting edge formed by the feed relative to the knife plane. Alternatively, the adjustment of the cutting gap can also be made by moving the cutter head relative to the cutting edge by means of an adjustment device. In such an adjusting device is a generally separate adjusting mechanism, which has an actuator for carrying out the adjustment movement.

Da es sich bei Slicern zum Aufschneiden von Lebensmittelprodukten um hochpräzise Maschinen handelt, müssen die verschieblichen Teile des Aktuators hochpräzise gelagert werden, wozu bei bekannten Verstellvorrichtungen häufig Gleit- oder Wälzlager zum Einsatz kommen. Die genannte Lagerung der Aktuatoren unter Verwendung von Wälz- oder Gleitlagern genügt jedoch in aller Regel nicht den an die Lagerung gestellten Anforderungen. So sind die zur Lagerung verwendeten Wälzlager vergleichsweise verschleißanfällig, so dass die geforderte Präzision der Lagerung nicht dauerhaft gewährleistet werden kann. Gleitlager lassen sich dahingegen von vornherein kaum derart präzise fertigen, dass sich die geforderten niedrigen Toleranzen einhalten lassen.Since slicers for slicing food products are high-precision machines, the slidable parts of the actuator must be stored with high precision, for which sliding or rolling bearings are often used in known adjusting devices. The said storage of the actuators using rolling or plain bearings, however, usually does not meet the requirements placed on the storage requirements. Thus, the bearings used for storage are relatively susceptible to wear, so that the required precision of storage can not be guaranteed permanently. On the other hand, slide bearings can hardly be manufactured so precisely from the start that the required low tolerances can be maintained.

Erschwerend kommt bei den genannten Lagerungsarten hinzu, dass sich die Lager im Vergleich zu den beweglichen Teilen des Aktuators unterschiedlich stark ausdehnen, was sich insbesondere bei den bei der Verarbeitung von Lebensmittelprodukten herrschenden Umgebungsbedingungen bemerkbar machen kann, wo im Inneren des Messerkopfes bis zu 70°C herrschen können, wohingegen die Umgebungstemperatur üblicherweise bei der Verarbeitung von Lebensmittelprodukten lediglich im Bereich zwischen 5° und 15°C liegt.To make matters worse in the above types of storage that the bearings vary in extent compared to the moving parts of the actuator, which can be particularly noticeable in the prevailing in the processing of food products environmental conditions where inside the cutter head up to 70 ° C. whereas the ambient temperature is usually only in the range between 5 ° and 15 ° C when processing food products.

Es ist daher die Aufgabe der vorliegenden Erfindung, die Lagerung des Aktuators einer Verstelleinheit dahingehend zu verbessern, dass ohne Einbußen bei der Präzision der Verstellbewegung die vorgegebenen Lagerungstoleranzen dauerhaft eingehalten werden.It is therefore the object of the present invention to improve the storage of the actuator of an adjustment to the effect that the predetermined storage tolerances are permanently maintained without sacrificing the precision of the adjustment.

Die der Erfindung zugrunde liegende Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst. Erfindungsgemäβ wird eine Verstelleinheit zum Erzeugen einer translatorischen Verstellbewegung eines an der Verstelleinheit anbringbaren Messerkopfes einer Schneidemaschine, insbesondere eines Slicers zum Aufschneiden von Lebensmittelprodukten vorgeschlagen, welche eine Gehäusebaugruppe, einen darin angeordneten Aktuator sowie ein speziell ausgebildetes Lager für den Aktuator aufweist. Der Aktuator setzt sich dabei unter anderem aus einem in Verstellrichtung ortsfesten Teil und einem gegenüber dem ortsfesten Teil in Verstellrichtung beweglichen Teil zusammen, welcher zum Ausführen der Verstellbewegung ausgebildet ist. Zur Realisierung der in Verstellrichtung benötigten beweglichen Lagerung ist das Lager in Verstellrichtung elastisch verformbar ausgebildet und an der Gehäusebaugruppe befestigt, so dass die Verstellbewegung des an dem Lager angreifenden beweglichen Teils des Aktuators durch das in sich elastisch verformbare Lager gegenüber der Gehäusebaugruppe ausgeglichen werden kann.The object underlying the invention is solved by the features of claim 1. According to the invention, an adjusting unit is proposed for generating a translatory adjusting movement of a cutter head attachable to the adjusting unit of a cutting machine, in particular a slicer for slicing food products, which has a housing assembly, an actuator arranged therein and a specially designed bearing for the actuator. The actuator is composed, inter alia, of a stationary in the adjustment direction part and a relative to the stationary part in the direction of adjustment movable part, which is designed to carry out the adjusting movement. To realize the required in the adjustment movable mounting the bearing in the adjustment direction is elastically deformable and attached to the housing assembly, so that the adjustment of acting on the bearing movable part of the actuator can be compensated by the inherently elastically deformable bearing against the housing assembly.

Im Unterschied zu den bekannten Lagerungsarten unter Verwendung von Wälz- oder Gleitlagern findet somit bei der erfindungsgemäßen Lagerung mittels elastisch in sich verformbarer Lager keine Relativbewegung zwischen dem Lager und dem beweglichen Teil des Aktuators statt. Vielmehr erfolgt der erforderliche Bewegungsausgleich dadurch, dass das Lager die Verstellbewegung des beweglichen Teils des Aktuators infolge seiner Verformbarkeit kompensiert.In contrast to the known types of storage using rolling or plain bearings thus takes place in the storage according to the invention by means of elastically deformable in itself bearing no relative movement between the bearing and the movable part of the actuator. Rather, the required compensation movement takes place in that the bearing compensates for the adjustment movement of the movable part of the actuator due to its deformability.

Dadurch, dass diese Verformung des Lagers im elastischen Bereich stattfindet, treten darüber hinaus auch keine Verschleißerscheinungen auf. Vielmehr kehrt das elastisch verformbare Lager infolge seiner Elastizität immer wieder in seine unverformte Ausgangsstellung zurück, ohne dabei dauerhaften Verformungen zu unterliegen, die zu einer Überschreitung der zulässigen Toleranzen führen könnten.Due to the fact that this deformation of the bearing takes place in the elastic region, moreover, no signs of wear occur. Rather, the elastically deformable bearing always returns due to its elasticity in its undeformed starting position, without losing subject to permanent deformations that could lead to exceeding the tolerances allowed.

Im Unterschied zu der bekannten Lagerungsart unter Verwendung von Wälzlagern sind die erfindungsgemäßen Lager aufgrund ihrer elastischen Verformbarkeit dauerhaft formstabil, so dass die Lager keinen Abnützungs- und Verschleißerscheinungen unterliegen und somit auch nach einem dauerhaften und langen betrieblichen Einsatz der erfindungsgemäßen Verstelleinheit nicht ausgewechselt werden müssen.In contrast to the known storage using rolling bearings, the bearing of the invention are permanently dimensionally stable due to their elastic deformability, so that the bearings are not subject to wear and tear and thus must not be replaced even after a long and long operational use of the adjustment according to the invention.

Wie den voranstehenden Ausführungen entnommen werden kann, greift der bewegliche Teil des Aktuators an dem elastisch verformbaren Lager an. Sofern im Rahmen der vorliegenden Anmeldung davon die Rede ist, dass der bewegliche Teil an dem erfindungsgemäßen Lager angreift, so bedeutet dies nicht zwangsweise, dass das bewegliche Teil direkt an dem elastisch verformbaren Lager befestigt ist; vielmehr steht das bewegliche Teil lediglich derart mit dem elastisch verformbaren Lager in kinematischer Wirkverbindung, dass es sich durch eine Betätigung mittels des ortsfesten Teils des Aktuators zusammen mit dem Lager in Verstellrichtung bewegt. Mit anderen Worten können zwischen dem beweglichen Teil des Aktuators und dem Lager weitere Bauteile zwischengeschaltet sein, welche eine Kopplung zwischen dem beweglichen Teil des Aktuators und dem Lager zur Sicherstellung der Wirkverbindung zwischen diesen beiden Komponenten herstellen.As can be seen from the above statements, the movable part of the actuator engages the elastically deformable bearing. If, in the context of the present application, it is mentioned that the movable part acts on the bearing according to the invention, this does not necessarily mean that the movable part is fastened directly to the elastically deformable bearing; Rather, the movable part is only in such a manner with the elastically deformable bearing in kinematic operative connection that it moves by actuation by means of the stationary part of the actuator together with the bearing in the adjustment direction. In other words, between the movable part of the actuator and the bearing further components may be interposed, which establish a coupling between the movable part of the actuator and the bearing to ensure the operative connection between these two components.

Bevorzugte Ausführungsformen der Erfindung sind in den abhängigen Ansprüchen, der Beschreibung sowie in den Zeichnungen angegeben.Preferred embodiments of the invention are set forth in the dependent claims, the description and the drawings.

In einer bevorzugten Ausgestaltung der Erfindung ist der Messerkopf an der Verstelleinheit lösbar oder auswechselbar anbringbar. Hierbei bilden Messerkopf und Verstelleinheit somit keine gemeinsame, sondern jeweils eine eigene Baueinheit. Der Messerkopf ist eine separate Baueinheit, die als Ganzes an die Verstelleinheit gekoppelt und von dieser auch wieder abgenommen werden kann. So ist es insbesondere möglich, eine einzige Verstelleinheit mit einer Vielzahl von unterschiedlichen Messerköpfen zu verwenden.In a preferred embodiment of the invention, the cutter head is detachably or replaceably attachable to the adjustment. Form this Knife head and adjustment unit thus no common, but each a separate unit. The cutter head is a separate unit, which can be coupled as a whole to the adjustment and removed from this again. So it is particularly possible to use a single adjustment with a variety of different cutter heads.

Insbesondere weist die Verstelleinheit eine Schnittstelle auf, mit der ein als separate Baueinheit ausgebildeter Messerkopf koppelbar ist. Diese Schnittstelle ist insbesondere an dem Aktuator vorgesehen, wobei vorzugsweise der bewegliche Teil des Aktuators die Schnittstelle bildet.In particular, the adjusting unit has an interface with which a cutter head designed as a separate structural unit can be coupled. This interface is provided in particular on the actuator, wherein preferably the movable part of the actuator forms the interface.

Die Koppelung zwischen Messerkopf und Verstelleinheit erfolgt insbesondere durch Verschrauben.The coupling between the cutter head and adjustment takes place in particular by screwing.

Gemäß einem weiteren Ausführungsbeispiel der Erfindung umfasst das Lager einen radial äußeren Bereich und einen radial inneren Bereich, wobei das Lager mit dem radial äußeren Bereich an der Gehäusebaugruppe befestigt ist und mit dem radial inneren Bereich an dem beweglichem Teil angreift. Das Lager ist somit außen befestigt, insbesondere eingespannt, und wirkt innen mit dem Aktuator bzw. dessen beweglichem Teil zusammen. Über den Messerkopf in radialer Richtung auf das Lager einwirkende Kräfte können so von der radial außen liegenden Gehäusebaugruppe, an der das Lager mit seinem radial äußeren Bereich befestigt ist, aufgenommen werden.According to a further embodiment of the invention, the bearing comprises a radially outer region and a radially inner region, wherein the bearing is attached to the radially outer region of the housing assembly and engages with the radially inner portion of the movable member. The bearing is thus fixed externally, in particular clamped, and interacts with the inside of the actuator or its movable part. Forces acting on the bearing in the radial direction via the cutter head can thus be absorbed by the radially outer housing assembly to which the bearing is fastened with its radially outer region.

Des Weiteren ist erfindungsgemäß insbesondere vorgesehen, dass das Lager an einer während des Schneidebetriebs stationären Gehäusebaugruppe befestigt ist, relativ zu der sich ein Schneidmesser des Messerkopfes während des Schneidebetriebs insbesondere rotierend bewegt. Bei der Gehäusebaugruppe und dem an dieser befestigten Lager handelt es sich folglich um stationäre oder statische Komponenten, d.h. bei einem beispielsweise während des Schneidebetriebs rotierenden Schneidmesser drehen sich die Gehäusebaugruppe und das Lager nicht mit. Dies wird durch die Trennung zwischen Verstelleinheit einerseits und Messerkopf andererseits erreicht.Furthermore, it is provided according to the invention, in particular, that the bearing is fastened to a housing assembly which is stationary during the cutting operation, relative to which a cutting blade of the cutter head moves in particular in a rotating manner during the cutting operation. In the Housing assembly and attached to this camp are therefore stationary or static components, ie, for example, during a cutting operation rotating cutting blade, the housing assembly and the bearing do not rotate. This is achieved by the separation between adjustment on the one hand and cutter head on the other.

Bei dem Aktuator kann es sich entweder um eine zur Handbetätigung ausgebildete oder um eine motorgetriebene Stelleinrichtung handeln.The actuator may either be a manually operated or a motor driven actuator.

So erstreckt sich die Verstellrichtung der Verstelleinheit gemäß einer bevorzugten Ausführungsform in axialer Richtung, worunter im Rahmen der vorliegenden Erfindung eine parallele Ausrichtung zu einer Rotationsachse eines während des Betriebs rotierenden Schneidmessers eines an der Verstelleinheit anbringbaren Messerkopfes verstanden wird. Demgegenüber ist das Lager in radialer Richtung, das heißt senkrecht zu der Verstellrichtung, im Wesentlichen unverformbar ausgebildet, so dass in der gewünschten Weise die geforderte Maßhaltigkeit in radialer Richtung eingehalten werden kann. Anders ausgedrückt weist das erfindungsgemäße Lager global betrachtet ein anisotropes Verformungsverhalten auf, welches Verformungen in axialer Richtung zulässt, demgegenüber jedoch radiale Verformungen infolge der Steifigkeit des Lagers in dieser Richtung verhindert. Die radiale Steifigkeit des Lagers sorgt dafür, dass die während des Betriebs des Messerkopfes einwirkenden beträchtlichen Querkräfte aufgenommen werden können, ohne dass eine Verlagerung der Rotationsachse in radialer Richtung zu befürchten ist.Thus, the adjustment of the adjustment according to a preferred embodiment extends in the axial direction, which is understood in the context of the present invention, a parallel alignment with a rotational axis of a rotating during operation cutting blade attachable to the adjustment blade head. In contrast, the bearing in the radial direction, that is perpendicular to the adjustment, formed substantially non-deformable, so that in the desired manner, the required dimensional accuracy in the radial direction can be maintained. In other words, the bearing according to the invention has, globally, an anisotropic deformation behavior which permits deformations in the axial direction but, on the other hand, prevents radial deformations as a result of the rigidity of the bearing in this direction. The radial rigidity of the bearing ensures that the considerable transverse forces acting during the operation of the cutter head can be absorbed, without fear of a displacement of the axis of rotation in the radial direction.

Die gewünschte elastische Verformbarkeit des Lagers in axialer Richtung kann beispielsweise gemäß einer besonderen Ausführungsform dadurch sichergestellt werden, dass das Lager zumindest ein Lagerelement umfasst, welches senkrecht zur Verstellrichtung frei auskragend an der Gehäusebaugruppe eingespannt ist, wobei an der Auskragung bzw. am freien Ende der Auskragung der bewegliche Teil des Aktuators in der zuvor beschriebenen Art und Weise angreift. Das Lager fungiert somit gewissermaßen als Federelement, dessen Federwirkung auf den Elastizitätsmodul in Verbindung mit den Querschnittswerten und -abmessungen des frei auskragenden Teils des Lagers zurückzuführen ist.The desired elastic deformability of the bearing in the axial direction can be ensured, for example, according to a particular embodiment in that the bearing comprises at least one bearing element, which is cantilevered perpendicular to the adjustment direction on the housing assembly, wherein acts on the projection or at the free end of the projection of the movable part of the actuator in the manner described above. The bearing thus acts as a kind of spring element whose spring action is due to the modulus of elasticity in connection with the cross-sectional values and dimensions of the freely projecting part of the bearing.

So könnte es sich bei den Lagern beispielsweise um eine Vielzahl von auskragenden Stabelementen handeln, an deren jeweiligen freien Enden der bewegliche Teil des Aktuators angreift.For example, the bearings could be a multiplicity of cantilevered rod elements, at the respective free ends of which the movable part of the actuator engages.

Gemäß einer weiteren besonderen Ausführungsform der vorliegenden Erfindung kann es sich bei dem Lagerelement jedoch auch um einen flächigen Körper handeln, dessen Flächennormale in axialer Richtung verläuft und der entlang seines Umfangs fest an der Gehäusebaugruppe eingespannt ist. Bei dieser Ausführungsform des Lagerelements als flächiger Körper kann allein aufgrund dessen Gestalt die erwähnte Anisotropie hinsichtlich des Verformungsverhaltens des Lagers erzielt werden. So wird sich der flächig ausgebildete Lagerkörper aufgrund seiner in radialer Richtung betrachtet verhältnismäßig großen Querschnittsfläche relativ steif und verformungsarm verhalten, wohingegen sich der flächig ausgebildete Lagerkörper in axialer Richtung aufgrund des in axialer Richtung wirksamen Flächenträgheitsmoments eher weich und damit verformbar verhält, so dass allein aufgrund der Formgebung des Lagerelements das gewünschte anisotrope Verformungsverhalten erzielt werden kann.According to a further particular embodiment of the present invention, however, the bearing element may also be a planar body whose surface normal runs in the axial direction and which is fixedly clamped along its circumference to the housing assembly. In this embodiment of the bearing element as a planar body, the mentioned anisotropy with regard to the deformation behavior of the bearing can be achieved solely on account of its shape. Thus, the flat-shaped bearing body due to its relatively large cross-sectional area considered in the radial direction will behave relatively stiff and deformation, whereas the flat trained bearing body in the axial direction due to the effective in the axial direction area moment of inertia rather soft and thus deformable, so that solely due to Shape of the bearing element, the desired anisotropic deformation behavior can be achieved.

Gemäß einer weiteren besonderen Ausführungsform der erfindungsgemäßen Verstelleinheit kann das Lagerelement beispielsweise als Blech, insbesondere als Stahlblech ausgebildet sein, was sich aufgrund des für metallische Werkstoffe charakteristischen Verformungsverhaltens im elastischen Bereich als vorteilhaft erweist. Das elastische Verhalten lässt sich somit einzig und allein auf die Elastizität des Werkstoffs sowie auf die frei auskragende Lagerung mit einseitiger Einspannung zurückführen, so dass keine zusätzlichen Maßnahmen unternommen werden müssen, um dem Lager die gewünschte elastisch verformbare Eigenschaft zu verleihen.According to a further particular embodiment of the adjusting unit according to the invention, the bearing element may be formed, for example, as a sheet, in particular as a steel sheet, which is due to the metallic Materials characteristic deformation behavior in the elastic region proves to be advantageous. The elastic behavior can thus be attributed solely and solely to the elasticity of the material and to the cantilevered mounting with one-sided clamping, so that no additional measures must be taken to give the bearing the desired elastically deformable property.

Um eine besonders zuverlässige Lagerung des beweglichen Teils des Aktuators sicherzustellen, so dass sich dieser ausschließlich axial, nicht jedoch in irgendeine Richtung radial bewegen kann, kann der flächige Lagerkörper eine Öffnung aufweisen, welche durch das freie Ende der Auskragung in dem flächigen Körper definiert wird. Bei der Auskragung bzw. dem freien Ende der Auskragung handelt es sich somit gewissermaßen um einen in sich geschlossenen Randbereich, welcher die Öffnung des flächigen Körpers definiert.In order to ensure a particularly reliable mounting of the movable part of the actuator so that it can move radially only in an axial direction, but not in any direction, the planar bearing body can have an opening which is defined by the free end of the projection in the planar body. The projection or the free end of the projection is thus effectively a closed edge region which defines the opening of the planar body.

So kann es sich bei dem Lager beispielsweise um einen Blechring handeln, welcher an seinem Außenumfang fest an der Gehäusebaugruppe eingespannt ist, und an dessen Innenumfang, welcher durch den genannten Randbereich gebildet wird, der bewegliche Teil des Aktuators angreift. Auf diese Weise kann der bewegliche Teil des Aktuators in radialer Richtung gleichmäßig von dem Lager abgestützt werden, wodurch einer exzentrischen Verformung des beweglichen Teils des Aktuators begegnet werden kann.For example, the bearing may be a sheet-metal ring, which is firmly clamped on its outer circumference to the housing assembly, and on the inner circumference of which is formed by said edge region, the movable part of the actuator engages. In this way, the movable part of the actuator in the radial direction can be supported evenly by the bearing, whereby an eccentric deformation of the movable part of the actuator can be counteracted.

Das Lager kann in einer bevorzugten Ausgestaltung der Erfindung eine Mehrzahl von Blechen aufweisen, welche zu einem Blechpaket zusammen geschichtet sind. Wenn es sich bei dem Lager um Blechringe handelt, sind diese konzentrisch aufeinander geschichtet, so dass die jeweiligen Öffnungen der Blechringe miteinander fluchten. Die Ausbildung des Lagers als Blechpaket mit einer Vielzahl von plan aufeinander geschichteten Blechen erweist sich dabei insbesondere dahingehend als vorteilhaft, dass die Steifigkeit des Lagers in radialer Richtung wesentlich erhöht ist.The bearing may in a preferred embodiment of the invention comprise a plurality of sheets which are laminated together to form a laminated core. When the bearing is a sheet metal ring, it is concentric with each other, so that the respective openings of the sheet metal rings are aligned with each other. The training of the camp as Laminated core with a large number of plates stacked on top of one another proves to be particularly advantageous in that the rigidity of the bearing is substantially increased in the radial direction.

Gemäß noch einer weiteren Ausführungsform weist die erfindungsgemäße Verstelleinheit zumindest zwei jeweils an der Gehäusebaugruppe befestigte, in Verstellrichtung elastisch verformbare Lager auf, welche in Verstellrichtung beabstandet zueinander angeordnet sind, und an denen der bewegliche Teil des Aktuators jeweils in der zuvor beschriebenen Art und Weise, nämlich beispielsweise mittelbar angreift. Eine derartige Lagerung des beweglichen Teils des Aktuators über zumindest zwei erfindungsgemäße Lagerelemente, wie sie in den vorangehenden Abschnitten beschrieben wurden, erweist sich dahingehend als vorteilhaft, dass dadurch möglichen Verkantungen des beweglichen Teils des Aktuators vorgebeugt werden kann. Zwar ließe sich das zweite Lager auch in Form der eingangs beschriebenen Wälz- bzw. Gleitlager realisieren, jedoch lässt sich mit diesen, wie zuvor beschrieben, die Maßhaltigkeit der Lagerung nicht dauerhaft einhalten, was wiederum zu einem Verkanten des beweglichen Teils des Aktuators führen kann.According to yet another embodiment, the adjusting unit according to the invention has at least two respectively fixed to the housing assembly, in the adjustment elastically deformable bearing, which are spaced apart in the adjustment direction, and where the movable part of the actuator in the manner described above, namely for example indirectly attacks. Such a mounting of the movable part of the actuator via at least two bearing elements according to the invention, as described in the preceding sections, proves to be advantageous in that thereby possible tilting of the movable part of the actuator can be prevented. Although the second bearing could also be realized in the form of the rolling or plain bearings described above, the dimensional stability of the bearing can not be permanently maintained with these, as described above, which in turn can lead to tilting of the movable part of the actuator.

Wie den voranstehenden Ausführungen entnommen werden kann, kann bei der erfindungsgemäßen Lagerung die Maßhaltigkeit und die Einhaltung vorgegebener Toleranzwerte der Lagerung eine Rolle spielen. Dementsprechend können die Lagerbleche als lasergeschnittene ringförmige Blechronden ausgebildet werden, da sich mit Hilfe eines lasergesteuerten Schneideverfahrens sehr genaue und maßhaltige Bauteile erzeugen lassen.As can be seen from the above statements, the dimensional accuracy and the compliance with given tolerance values of the bearing can play a role in the storage according to the invention. Accordingly, the bearing plates can be formed as a laser-cut annular circular blanks, as can be produced with the help of a laser-controlled cutting process very accurate and dimensionally stable components.

Gemäß einer weiteren Ausführungsform der erfindungsgemäßen Verstelleinheit umfasst der ortsfeste Teil des Aktuators eine antreibbare Gewindespindel, wohingegen der bewegliche Teil des Aktuators eine mit der Gewindespindel kinematisch zusammenwirkende Spindelmutter umfasst, welche durch Betätigung der Gewindespindel in Verstellrichtung, also in axialer Richtung, translatorisch bewegt werden kann. Die Gewindespindel weist dabei ein Außengewinde auf, auf welches die Spindelmutter mit ihrem Innengewinde aufgeschraubt ist, so dass durch eine Drehung der ortsfesten Gewindespindel die Spindelmutter in Längsrichtung verschoben werden kann.According to a further embodiment of the adjusting unit according to the invention, the stationary part of the actuator comprises a drivable threaded spindle, whereas the movable part of the actuator comprises a spindle nut, which interacts kinematically with the threaded spindle and which can be moved translationally by actuating the threaded spindle in the adjustment direction, ie in the axial direction. The threaded spindle has an external thread on which the spindle nut is screwed with its internal thread, so that by a rotation of the stationary threaded spindle, the spindle nut can be moved in the longitudinal direction.

Zwar könnte der Aktuator beispielsweise auch als Kolbenzylindereinheit mit einem ortsfesten Zylinder und einem dazu beweglich angeordneten Kolben ausgebildet sein. Allerdings erweist sich die Ausgestaltung des Aktuators als Gewindespindel mit darauf aufgeschraubter Spindelmutter aufgrund der selbsthemmenden Eigenschaft solch eines Spindeltriebs als besonders vorteilhaft.Although the actuator could for example be designed as a piston-cylinder unit with a stationary cylinder and a piston arranged to be movable. However, the design of the actuator proves to be a threaded spindle with screwed thereon spindle nut due to the self-locking property of such a spindle drive particularly advantageous.

Die Erfindung betrifft außerdem eine Vorrichtung zum Aufschneiden von Lebensmittelprodukten, insbesondere einem Hochgeschwindigkeitsslicer, mit einem Messerkopf, der ein zu einer, insbesondere rotierenden, Schneidebewegung antreibbares Schneidmesser umfasst, und mit einer Verstelleinheit, wie sie hier angegeben ist, zum Erzeugen einer translatorischen Verstellbewegung des Messerkopfes.The invention also relates to a device for slicing food products, in particular a high-speed slicer, with a cutter head, which comprises a cutting blade which can be driven to rotate, in particular rotating, and with an adjusting unit, as stated here, for generating a translatory adjusting movement of the cutter head ,

Bevorzugt sind die Verstelleinheit und der Messerkopf als separate Baueinheiten ausgebildet, die lösbar oder auswechselbar miteinander verbunden sind. Dabei kann die Verstelleinheit als ein Träger für den Messerkopf ausgebildet sein.Preferably, the adjustment and the cutter head are formed as separate units that are detachably or interchangeably connected to each other. In this case, the adjusting unit can be designed as a carrier for the cutter head.

In einer weiteren Ausführungsform der Erfindung sind eine Rotationsachse des Schneidmessers des Messerkopfes und eine Drehachse des Aktuators der Verstelleinheit mit Abstand voneinander angeordnet. Das Schneidmesser des Messerkopfes ist somit exzentrisch bezüglich des Aktuators an der Verstelleinheit angebracht.In a further embodiment of the invention, an axis of rotation of the cutting blade of the cutter head and an axis of rotation of the actuator the adjustment arranged at a distance from each other. The cutting blade of the cutter head is thus mounted eccentrically with respect to the actuator on the adjusting unit.

Des Weiteren ist erfindungsgemäß insbesondere vorgesehen, dass die Verstelleinheit - mit Ausnahme ihrer eigenen Verstellbewegungen - eine statische oder stationäre Baueinheit ist. Dies bedeutet, dass keine Komponenten der Verstelleinheit dazu gezwungen sind, sich gemeinsam mit dem Schneidmesser des Messerkopfes zu bewegen. Unnötige Bewegungen von Komponenten der Verstelleinheit werden hierdurch vermieden. Bei einem während des Schneidebetriebs beispielsweise rotierenden Schneidmesser ist somit kein Bauteil der Verstelleinheit dazu gezwungen, gemeinsam mit dem Schneidmesser oder einer anderen Komponente des Messerkopfes zu rotieren.Furthermore, it is provided according to the invention in particular that the adjustment unit - with the exception of its own adjustment movements - is a static or stationary unit. This means that no components of the adjustment unit are forced to move together with the cutter blade of the cutter head. Unnecessary movements of components of the adjustment are thereby avoided. In the case of a cutting blade rotating during the cutting operation, for example, no component of the adjusting unit is forced to rotate together with the cutting blade or another component of the cutter head.

Die Verstelleinheit ist somit von Bewegungen, zu denen Bestandteile des Messerkopfes in der Lage sind, insbesondere von einem Antrieb für das Schneidmesser, unabhängig.The adjusting unit is thus independent of movements to which components of the cutter head are capable, in particular of a drive for the cutting blade.

Im Folgenden wird die Erfindung unter Bezugnahme auf die beigefügten Zeichnungen beschrieben. Es zeigen:

Fig. 1
eine Schnittdarstellung durch eine erfindungsgemäße Verstelleinheit mit einem daran angeschlossenen Messerkopf; und
Fig. 2
eine perspektivische Darstellung der in der Fig. 1 dargestellten Verstelleinheit.
In the following, the invention will be described with reference to the accompanying drawings. Show it:
Fig. 1
a sectional view through an adjusting unit according to the invention with a cutter head connected thereto; and
Fig. 2
a perspective view of the in the Fig. 1 illustrated adjusting unit.

In beiden Figuren sind gleiche oder einander entsprechende Elemente mit gleichen Bezugsziffern gekennzeichnet.In both figures, the same or corresponding elements are identified by the same reference numerals.

Die Fig. 1 und 2 zeigen eine erfindungsgemäße Verstelleinheit 10, die einen Messerkopfträger 32 aufweist, an dem in der in Fig. 1 gezeigten Darstellung mittels einer Schraubverbindung 36 ein Messerkopf 12 angeschraubt ist, auf welchen an dieser Stelle nur insoweit eingegangen werden soll, als dieser ein Schneidmesser 34 aufweist, welches es in axialer Richtung A bzw. in Verstellrichtung A zu verstellen gilt, um eine Einstellung des Schneidspalts zwischen der Messerebene 58 und einer hier nur schematisch dargestellten Schneidkante 60 vorzunehmen, die am Ende eine Produktauflage 62 für ein aufzuschneidendes Produkt 64 ausgebildet ist.The Fig. 1 and 2 show an adjusting unit 10 according to the invention, which has a cutter head carrier 32, in which in. In Fig. 1 shown by means of a screw 36, a cutter head 12 is screwed on which is to be received at this point only insofar as it has a cutting blade 34, which is to be adjusted in the axial direction A or in the adjustment A, to adjust the cutting gap between the knife plane 58 and a cutting edge 60 shown here only schematically, which is formed at the end of a product support 62 for a aufzuschneidendes product 64.

Bei der Verstelleinheit 10 und dem Messerkopf 12 handelt es sich um separate Baueinheiten. In Fig. 1 ist eine Trennebene 52 angedeutet, auf deren einer Seite sich der Messerkopf 12 und auf deren anderer Seite sich die Verstelleinheit 10 befindet. Gewissermaßen als "Schnittstelle" zwischen Verstelleinheit 10 und Messerkopf 12 dient ein beweglicher Teil 32 eines Aktuators, auf den nachstehend näher eingegangen wird. Die Schraubverbindungen 36 dienen sowohl zum Befestigen eines Teils 28 eines Lagers, auf das nachstehend ebenfalls näher eingegangen wird, als auch zur Koppelung der Verstelleinheit 10 mit dem Messerkopf 12, und zwar mit einer Halterung 66 des Messerkopfes, deren Mittelachse im zusammengebauten Zustand mit einer Drehachse 54 des Aktuators zusammenfällt. Die Mittelachse der Halterung 66 ist parallel beabstandet von einer Drehachse 56 des Schneidmessers 34. Bei an der Verstelleinheit 10 angebrachtem Messerkopf 12 ist somit das Schneidmesser 34 mit seiner Spindel 50 bzw. seiner Drehachse 56 exzentrisch zur Drehachse 54 des Aktuators der Verstelleinheit 10 angeordnet.The adjustment unit 10 and the cutter head 12 are separate units. In Fig. 1 is a dividing plane 52 indicated on one side of the cutter head 12 and on the other side, the adjustment unit 10 is located. In a sense, as an "interface" between the adjustment unit 10 and cutter head 12 is a movable part 32 of an actuator, which will be discussed in more detail below. The screw 36 are used both for fixing a part 28 of a bearing, which will also be discussed below, as well as for coupling the adjustment 10 with the cutter head 12, with a holder 66 of the cutter head, the central axis in the assembled state with a rotation axis 54 of the actuator coincides. The center axis of the holder 66 is spaced parallel from a rotation axis 56 of the cutting blade 34. When mounted on the adjusting unit 10 cutter head 12 thus the cutting blade 34 is arranged with its spindle 50 and its axis of rotation 56 eccentric to the axis of rotation 54 of the actuator 10 of the adjustment.

Die Verstelleinheit 10 weist eine Gehäusebaugruppe 14 auf, die sich aus einer Mehrzahl von Gehäuseteilen zusammensetzt, welche unter Verwendung einer Vielzahl von Schrauben aneinander angeflanscht sind, um in Kombination die Gehäusebaugruppe 14 entstehen zu lassen, in dessen Inneren sich ein Arbeitsraum 16 befindet.The adjusting unit 10 has a housing assembly 14, which is composed of a plurality of housing parts, which are flanged together using a plurality of screws to each other in combination to form the housing assembly 14, in the interior of which a working space 16 is located.

Im Arbeitsraum 16 ist ein Spindeltrieb angeordnet, welcher eine axial ausgerichtete Spindel 24 sowie eine darauf aufgeschraubte Spindelmutter 26 umfasst. Die Spindel 24 ist über zwei Schrägwälzlager 18 umfangseitig an der Innenwandung der Gehäusebaugruppe 14 gelagert, so dass sie über einen Schneckenantrieb aus Schneckenrad 20 und Schnecke 22 händisch oder motorbetrieben zu einer Drehung um ihre Längsachse veranlasst werden kann. Die Spindel 24 ist dabei im Arbeitsraum 16 in axialer Richtung ortsfest angeordnet, so dass eine Drehung der Gewindespindel 24 zu einer Verstellbewegung der Spindelmutter 26 in axialer Richtung führt.In the working space 16, a spindle drive is arranged, which comprises an axially aligned spindle 24 and a screwed thereto nut 26. The spindle 24 is circumferentially mounted on the inner wall of the housing assembly 14 via two angular contact bearings 18, so that they can be made via a worm drive from worm wheel 20 and worm 22 manually or motorized to rotate about its longitudinal axis. The spindle 24 is arranged stationary in the working space 16 in the axial direction, so that rotation of the threaded spindle 24 leads to an adjustment movement of the spindle nut 26 in the axial direction.

Die Spindelmutter 26 ist von dem Messerkopfträger 32 umgeben, welcher mit der Spindelmutter 26 derart verbunden ist, dass sich der Messerkopfträger 32 bei der Verstellbewegung der Spindelmutter 26 in axialer Richtung mit dieser gemeinsam bewegt. Am Messerkopfträger 32 ist, wie bereits zuvor kurz erwähnt, der Messerkopf 12 mit Hilfe der Schraubverbindung 36 befestigt, so dass die Verstellbewegung der Spindelmutter 26 über den Messerkopfträger 32 auf den Messerkopf 12 übertragen werden kann.The spindle nut 26 is surrounded by the cutter head carrier 32, which is connected to the spindle nut 26 such that the cutter head carrier 32 moves in the adjustment movement of the spindle nut 26 in the axial direction together with this. On the cutter head carrier 32, as already mentioned briefly above, the cutter head 12 is fastened by means of the screw connection 36, so that the adjusting movement of the spindle nut 26 can be transmitted to the cutter head 12 via the cutter head carrier 32.

Damit sich die aus Messerkopfträger 32 und Spindelmutter 26 zusammengesetzte Stelleinheit in radialer Richtung nicht verkantet, sind zwei zueinander beabstandete Lager 28, 30 in Form von zwei erfindungsgemäß ausgebildeten Blechpaketen vorgesehen, welche sich radial von der Gehäusebaugruppe 14 nach innen in den Arbeitsraum 16 erstrecken.In order that the actuating unit composed of cutter head carrier 32 and spindle nut 26 does not tilt in the radial direction, two bearings 28, 30 spaced apart from one another are in the form of two according to the invention formed laminated cores, which extend radially from the housing assembly 14 inwardly into the working space 16.

Wie insbesondere der Fig. 2 entnommen werden kann, handelt es sich bei den Blechpaketen 26, 30 um eine Mehrzahl von zu Blechpaketen 28, 30 plan aufeinander geschichteten kreisrunden Blechringen bzw. Blechronden, wobei das Blechpaket 30 einen kleineren Außendurchmesser als das Blechpaket 28 aufweist. Die einzelnen Blechronden der beiden Blechpakete 26, 30 weisen konzentrische Öffnungen auf, durch welche sich die Gewindespindel 24 zusammen mit der Stelleinheit 26, 32 hindurch erstrecken.How the particular Fig. 2 can be removed, it is in the laminated cores 26, 30 to a plurality of laminated cores 28, 30 flat stacked circular metal rings or sheet blanks, wherein the laminated core 30 has a smaller outer diameter than the laminated core 28. The individual circular blanks of the two laminated cores 26, 30 have concentric openings through which the threaded spindle 24 extend together with the adjusting unit 26, 32.

Wie die Fig. 2 zeigt, sind die einzelnen Bleche der Blechpakete 28, 30 umfangsseitig mit jeweiligen Lochkränzen versehen, so dass durch diese Löcher hindurch die Blechpakete 28, 30 mit Hilfe von Schraubverbindungen 38, 40 an der Gehäusebaugruppe befestigt werden können. Die beiden Blechpakete 28, 30 werden mit Hilfe der radial äußeren Schraubverbindungen 38, 40 fest an der Gehäusebaugruppe 40 eingespannt, so dass die von der Gehäusebaugruppe 14 in den Arbeitsraum 16 (aus)kragenden, radial inneren Abschnitte 42, 44 der Blechpakete 28, 30 in axialer Richtung ein elastisches Verformungsverhalten zeigen.As the Fig. 2 shows, the individual sheets of laminated cores 28, 30 circumferentially provided with respective pegs, so that through these holes through the laminated cores 28, 30 by means of screw 38, 40 can be attached to the housing assembly. The two laminated cores 28, 30 are fixedly clamped to the housing assembly 40 with the aid of the radially outer screw connections 38, 40, so that the radially inner sections 42, 44 of the laminated cores 28, 30 projecting from the housing subassembly 14 into the working chamber 16 show an elastic deformation behavior in the axial direction.

Der Messerkopfträger 32 ist mit Hilfe von radial inneren Schraubverbindungen 48, 36 an den Blechpaketen 28, 30, insbesondere an den Enden der auskragenden Abschnitte 44, 42 befestigt, so dass die Stelleinheit 26, 32 in axialer Richtung betrachtet beweglich gegenüber der Gehäusebaugruppe 14 gelagert ist. In radialer Richtung weisen die Lager 28, 30 bzw. die die Blechpakete 28, 30 bildenden Blechringe jedoch eine derart hohe Steifigkeit auf, dass ein Ausweichen der Stelleinheit 26, 32 in radialer Richtung zumindest bei den während des Betriebs des Messerkopfes 12 einwirkenden Kräften ausgeschlossen ist.The cutter head carrier 32 is fastened with the aid of radially inner screw connections 48, 36 to the laminated cores 28, 30, in particular at the ends of the projecting sections 44, 42, so that the actuating unit 26, 32 viewed in the axial direction is mounted movably opposite the housing assembly 14 , In the radial direction, however, the bearings 28, 30 or the sheet-metal packages 28, 30 forming sheet metal rings on such a high rigidity that an evasion of the actuator 26, 32 in the radial Direction is excluded at least in the forces acting during operation of the cutter head 12 forces.

Um eine Verstellung des Messerkopfes 12, insbesondere des Schneidmessers 34 in axialer Richtung vorzunehmen, wird die Schnecke 22 motor- oder handbetrieben betätigt, wodurch das Schneckenrad 20 angetrieben wird, welches seinerseits wiederum die Spindel 24 zu einer Drehung um ihre Längsachse veranlasst. Da die Spindel 24 in axialer Richtung ortsfest gelagert ist, führt die Drehbewegung der Spindel 24 dazu, dass die Spindelmutter 26 einschließlich des darauf aufgebrachten Messerkopfträgers 32 in axialer Richtung verschoben wird.In order to make an adjustment of the cutter head 12, in particular the cutting blade 34 in the axial direction, the screw 22 is operated by motor or hand operated, whereby the worm wheel 20 is driven, which in turn causes the spindle 24 to rotate about its longitudinal axis. Since the spindle 24 is mounted stationary in the axial direction, the rotational movement of the spindle 24 causes the spindle nut 26, including the cutter head carrier 32 applied thereon, to be displaced in the axial direction.

Dadurch, dass die Spindelmutter 26 über den Messerkopfträger 32 an den auskragenden Abschnitten 42 ,44 der Blechpakete 28, 30 angeschlossen ist, führt die axiale Verstellbewegung der Stelleinheit 26, 32 dazu, dass sich die Blechpakete 28, 30 in axialer Richtung in sich verformen. In radialer Richtung hingegen dienen die Blechpakete 28, 30 als starre Auflager für die Stelleinheit 26, 32, so dass die Stelleinheit 26, 32 durch die Lagerung an den Blechpaketen 28, 30 in axialer Richtung beweglich durch die Blechpakete 28, 30 geführt wird.Characterized in that the spindle nut 26 is connected via the cutter head carrier 32 to the projecting portions 42, 44 of the laminated cores 28, 30, the axial adjustment of the actuator 26, 32 causes the laminated cores 28, 30 deform in the axial direction in itself. In the radial direction, however, serve the laminated cores 28, 30 as a rigid support for the control unit 26, 32, so that the actuator 26, 32 is guided by the bearing on the laminated cores 28, 30 in the axial direction movable through the laminated cores 28, 30.

Durch die Tatsache, dass die Blechpakete 28, 30 in radialer Richtung betrachtet eine sehr hohe Steifigkeit aufweisen und damit in dieser Richtung im Wesentlichen unverformbar sind, kann das Ziel einer sehr maßhaltigen und präzisen Lagerung in radialer Richtung erzielt werden, ohne dabei infolge eines dauerhaften Einsatzes Verschleißerscheinungen durch Relativbewegungen hinnehmen zu müssen, wie sie bei der bekannten Lagerungsart der Stelleinheit 26, 32 unter Verwendung von Wälz- oder Gleitlagern auftreten. Derartige Relativbewegungen treten bei der erfindungsgemäßen Lagerung der Stelleinheit 26, 32 nicht auf, da die Bewegung der Stelleinheit 26, 32 nicht etwa durch eine Relativbewegung gegenüber einem Lager, sondern durch eine Verformung der Blechpakete 28, 30 in sich kompensiert wird, so dass keine Verschleißerscheinungen infolge von Relativbewegungen auftreten.Due to the fact that the laminated cores 28, 30 have a very high stiffness in the radial direction and are thus substantially undeformable in this direction, the goal of a very dimensionally accurate and precise mounting in the radial direction can be achieved without thereby resulting from a permanent use To suffer wear due to relative movements, as they occur in the known storage of the actuator 26, 32 using rolling or plain bearings. Such relative movements do not occur in the inventive storage of the adjusting unit 26, 32, since the movement the adjusting unit 26, 32 is not compensated by a relative movement relative to a bearing, but by a deformation of the laminated cores 28, 30 in itself, so that no signs of wear due to relative movements occur.

Letztendlich wird durch die Bewegung der Stelleinheit 26, 32 der Messerkopf 12 zusammen mit dem Schneidmesser 34 in axialer Richtung A verstellt, da der Messerkopf 12 über die Schraubverbindungen 36 an den Messerkopfträger 32 angeschlossen ist. Mit der beschriebenen Realisierung der erfindungsgemäßen Stelleinheit 10, und insbesondere durch die erfindungsgemäße Lagerung in Form der Blechpakete 28, 30 lässt sich somit eine sehr maßhaltige, präzise und verschleißarme Lagerung für die Stelleinheit 26, 32 gewährleisten, so dass auch nach sehr vielen Stunden betrieblichen Einsatzes kein Austausch der Lagerung 28, 30 erforderlich wird.Finally, by the movement of the adjusting unit 26, 32, the cutter head 12 is moved together with the cutting blade 34 in the axial direction A, since the cutter head 12 is connected to the cutter head carrier 32 via the screw connections 36. With the described realization of the setting unit 10 according to the invention, and in particular by the inventive storage in the form of laminated cores 28, 30 can thus ensure a very dimensionally accurate, precise and low-wear storage for the actuator 26, 32, so that even after many hours of operational use no replacement of storage 28, 30 is required.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1010
Verstelleinheitadjustment
1212
Messerkopfcutter head
1414
Gehäusebaugruppehousing assembly
1616
Arbeitsraumworking space
1818
SchrägwalzlagerCross rolling bearings
2020
Schneckenradworm
2222
Schneckeslug
2424
Spindelspindle
2626
Spindelmutterspindle nut
2828
Lager/BlechpaketStock / laminated core
3030
Lager/BlechpaketStock / laminated core
3232
MesserkopfträgerCutter head support
3434
Schneidmessercutting blade
3636
Schraubverbindungscrew
3838
Schraubverbindungscrew
4040
Schraubverbindungscrew
4242
auskragender Abschnittcantilevered section
4444
auskragender Abschnittcantilevered section
4848
Schraubverbindungscrew
5050
Spindel des MesserkopfesSpindle of the cutterhead
5252
Trennebene zwischen Messerkopf und VerstelleinheitParting plane between cutter head and adjusting unit
5454
Drehachse der SpindelRotary axis of the spindle
5656
Rotationsachse des MesserkopfesRotation axis of the cutter head
5858
Messerebeneblade plane
6060
Schneidkantecutting edge
6262
Produktauflageproduct support
6464
Produktproduct
6666
Halterungbracket
AA
Verstellrichtung / Axiale RichtungAdjustment direction / axial direction

Claims (15)

Verstelleinheit (10) zum Erzeugen einer translatorischen Verstellbewegung eines an der Verstelleinheit anbringbaren Messerkopfes (12) einer Schneidemaschine, insbesondere eines Slicers zum Aufschneiden von Lebensmittelprodukten, umfassend: eine Gehäusebaugruppe (14); einen in der Gehäusebaugruppe (14) angeordneten Aktuator mit einem in Verstellrichtung ortsfesten Teil (24) und einem gegenüber dem ortsfesten Teil (24) in Verstellrichtung (A) beweglichen Teil (26, 32) zum Ausführen der Verstellbewegung; und zumindest ein an der Gehäusebaugruppe (14) befestigtes, in Verstellrichtung (A) elastisch verformbares Lager (28, 30), an welchem der bewegliche Teil (26, 32) angreift. Adjusting unit (10) for generating a translatory adjusting movement of a knife head (12), which can be attached to the adjusting unit, of a cutting machine, in particular of a slicer for slicing food products, comprising: a housing assembly (14); a in the housing assembly (14) arranged actuator having a stationary in the adjustment direction part (24) and relative to the stationary part (24) in the adjustment direction (A) movable part (26, 32) for carrying out the adjusting movement; and at least one on the housing assembly (14) attached, in the adjustment direction (A) elastically deformable bearing (28, 30) on which the movable part (26, 32) engages. Verstelleinheit nach Anspruch 1,
dadurch gekennzeichnet, dass der Messerkopf (12) an der Verstelleinheit (10) lösbar oder auswechselbar anbringbar ist, und/oder dass die Verstelleinheit (10) eine Schnittstelle aufweist, mit der ein als separate Baueinheit ausgebildeter Messerkopf (12) koppelbar ist, wobei insbesondere die Schnittstelle an dem Aktuator vorgesehen ist, insbesondere an dem beweglichen Teil (32) des Aktuators.Adjusting unit according to claim 1,
characterized in that the cutter head (12) on the adjusting unit (10) is releasably or replaceably attachable, and / or that the adjusting unit (10) has an interface with which a trained as a separate unit cutter head (12) can be coupled, in particular the interface is provided on the actuator, in particular on the movable part (32) of the actuator. Verstelleinheit nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass das Lager (28, 30) einen radial äußeren Bereich und einen radial inneren Bereich aufweist, wobei das Lager (28, 30) mit dem radial äußeren Bereich an der Gehäusebaugruppe (14) befestigt ist und mit dem radial inneren Bereich an dem beweglichen Teil (32) angreift, und/oder dass das Lager (28, 30) an einer während des Schneidebetriebs stationären Gehäusebaugruppe (14) befestigt ist, relativ zu der sich ein Schneidmesser (34) des Messerkopfes (12) während des Schneidebetriebs bewegt, insbesondere rotiert.Adjusting unit according to one of the preceding claims,
characterized in that the bearing (28, 30) has a radially outer region and a radially inner region, wherein the bearing (28, 30) with the radially outer region on the housing assembly (14) is secured and engages the radially inner region on the movable member (32), and / or that the bearing (28, 30) is secured to a housing assembly (14) stationary during the cutting operation, relative to a cutting blade (34) of the cutter head (12) moves during the cutting operation, in particular rotates. Verstelleinheit nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass der Messerkopf (12) mit einer Drehachse (56) eines Schneidmessers (34) exzentrisch bezüglich einer Drehachse (54) des Aktuators der Verstelleinheit (10) an der Verstelleinheit (10) anbringbar ist, und/oder dass die Verstellrichtung (A) parallel zu einer Rotationsachse (56) eines während des Betriebs rotierenden Schneidmessers (34) des Messerkopfes (12) verläuft und das Lager (28, 30) senkrecht zur Verstellrichtung im Wesentlichen unverformbar ist.Adjusting unit according to one of the preceding claims,
characterized in that the cutter head (12) with an axis of rotation (56) of a cutting blade (34) eccentrically with respect to a rotation axis (54) of the actuator of the adjusting unit (10) on the adjusting unit (10) is attachable, and / or that the adjustment ( A) runs parallel to a rotation axis (56) of a cutting blade (34) of the cutter head (12) rotating during operation and the bearing (28, 30) is substantially undeformable perpendicular to the adjustment direction. Verstelleinheit nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass das Lager (28, 30) zumindest ein Lagerelement (28, 30) umfasst, welches senkrecht zur Verstellrichtung (A) frei auskragend an der Gehäusebaugruppe (14) befestigt ist, wobei an der Auskragung (42, 44) der bewegliche Teil (26, 32) des Aktuators angreift, wobei insbesondere das Lagerelement (28, 30) als flächiger Körper ausgebildet ist, dessen Fläche senkrecht zur Verstellrichtung (A) ausgerichtet ist, und der entlang seines Umfangs fest an der Gehäusebaugruppe (14) befestigt ist, und/oder dass das Lagerelement (28, 30) als Blechteil ausgebildet ist, und/oder dass das freie Ende der Auskragung (42, 44) eine in dem flächigen Körper ausgebildete Öffnung definiert.Adjusting unit according to one of the preceding claims,
characterized in that the bearing (28, 30) comprises at least one bearing element (28, 30) which is perpendicular to the adjustment (A) freely cantilevered to the housing assembly (14), wherein on the projection (42, 44) of the movable Part (26, 32) of the actuator engages, wherein in particular the bearing element (28, 30) is formed as a planar body, the surface of which is aligned perpendicular to the adjustment (A), and fixed along its circumference to the housing assembly (14) , and / or that the bearing element (28, 30) is formed as a sheet metal part, and / or that the free end of the projection (42, 44) defines an opening formed in the flat body. Verstelleinheit nach zumindest einem der voranstehenden Ansprüche,
dadurch gekennzeichnet, dass das Lager (28, 30) zumindest einen Blechring umfasst, welcher an seinem Außenumfang fest an der Gehäusebaugruppe (14) befestigt ist, und an dessen Innenumfang der bewegliche Teil (26, 32) des Aktuators angreift, und/oder dass das Lager (28, 30) eine Mehrzahl von Blechteilen umfasst, welche zu einem Blechpaket geschichtet sind.Adjusting unit according to at least one of the preceding claims,
characterized in that the bearing (28, 30) comprises at least one sheet metal ring which is fixedly secured to the housing assembly (14) at its outer periphery, and on the inner periphery of which the movable part (26, 32) of the actuator engages, and / or the bearing (28, 30) comprises a plurality of sheet metal parts which are laminated into a laminated core. Verstelleinheit nach zumindest einem der voranstehenden Ansprüche,
dadurch gekennzeichnet, dass die Verstelleinheit (10) zumindest zwei jeweils an der Gehäusebaugruppe (14) befestigte, in Verstellrichtung (A) elastisch verformbare Lager (28, 30) aufweist, welche in Verstellrichtung (A) beabstandet zueinander angeordnet sind, und an welchen der bewegliche Teil (26, 32) des Aktuators angreift, wobei insbesondere die Lager (28, 30) jeweils nach einem der Ansprüche 4 bis 6 ausgebildet sind.Adjusting unit according to at least one of the preceding claims,
characterized in that the adjusting unit (10) at least two respectively on the housing assembly (14) fixed, in the adjustment direction (A) elastically deformable bearing (28, 30), which are arranged in the adjustment (A) spaced from each other, and to which movable part (26, 32) of the actuator engages, wherein in particular the bearings (28, 30) are each designed according to one of claims 4 to 6. Verstelleinheit nach zumindest einem der voranstehenden Ansprüche,
dadurch gekennzeichnet, dass der ortsfeste Teil (24) des Aktuators eine antreibbare Gewindespindel (24) und der bewegliche Teil (26, 32) des Aktuators eine mit der Gewindespindel (24) kinematisch zusammenwirkende Spindelmutter (26) umfasst, welche durch Betätigung der Gewindespindel (24) in Verstellrichtung (A) translatorisch bewegbar ist, und/oder dass das Lagerblech eine lasergeschnittene ringförmige Blechronde umfasst.Adjusting unit according to at least one of the preceding claims,
characterized in that the stationary part (24) of the actuator comprises a drivable threaded spindle (24) and the movable part (26, 32) of the actuator comprises a spindle nut (26) kinematically cooperating with the threaded spindle (24), which is actuated by actuation of the threaded spindle (24). 24) is translationally movable in the adjustment direction (A), and / or that the bearing plate comprises a laser-cut annular sheet metal blank. Vorrichtung zum Aufschneiden von Lebensmittelprodukten, insbesondere Hochgeschwindigkeitsslicer,
mit einem Messerkopf (12), der ein zu einer, insbesondere rotierenden, Schneidebewegung antreibbares Schneidmesser (34) umfasst, und mit einer Verstelleinheit (10) nach einem der vorhergehenden Ansprüche zum Erzeugen einer translatorischen Verstellbewegung des Messerkopfes (12).Device for slicing food products, especially high-speed slicers,
with a cutter head (12), which comprises a cutting blade (34) drivable for a, in particular rotating, cutting movement, and with an adjusting unit (10) according to one of the preceding claims for generating a translatory adjusting movement of the cutter head (12). Vorrichtung nach Anspruch 9,
dadurch gekennzeichnet, dass die Verstelleinheit (10) und der Messerkopf (12) als separate Baueinheiten ausgebildet sind, die lösbar oder auswechselbar miteinander verbunden sind.Device according to claim 9,
characterized in that the adjusting unit (10) and the cutter head (12) are formed as separate units, which are detachably or interchangeably connected to each other. Vorrichtung nach Anspruch 9 oder 10,
dadurch gekennzeichnet, dass die Verstelleinheit (10) als Träger für den Messerkopf (12) ausgebildet ist.Device according to claim 9 or 10,
characterized in that the adjusting unit (10) is designed as a carrier for the cutter head (12). Vorrichtung nach einem der Ansprüche 9 bis 11,
dadurch gekennzeichnet, dass eine Rotationsachse (56) des Schneidmessers (34) des Messerkopfes (12) und eine Drehachse (54) des Aktuators der Verstelleinheit (10) parallel zueinander verlaufen und mit Abstand voneinander angeordnet sind.Device according to one of claims 9 to 11,
characterized in that a rotation axis (56) of the cutting blade (34) of the cutter head (12) and an axis of rotation (54) of the actuator of the adjusting unit (10) are parallel to each other and spaced apart. Vorrichtung nach einem der Ansprüche 9 bis 12,
dadurch gekennzeichnet, dass die Verstelleinheit (10), mit Ausnahme ihrer eigenen Verstellbewegungen, eine statische oder stationäre Baueinheit ist.Device according to one of claims 9 to 12,
characterized in that the adjustment unit (10), with the exception of their own adjustment movements, is a static or stationary unit. Vorrichtung nach einem der Ansprüche 9 bis 13,
dadurch gekennzeichnet, dass die Verstelleinheit (10) von Bewegungen, zu denen Bestandteile des Messerkopfes (12) in der Lage sind, insbesondere von einem Antrieb für das Schneidmesser (34) , unabhängig ist.Device according to one of claims 9 to 13,
characterized in that the adjustment unit (10) is independent of movements to which components of the cutter head (12) are capable, in particular of a drive for the cutting blade (34). Vorrichtung nach einem der Ansprüche 9 bis 14,
dadurch gekennzeichnet, dass die Verstelleinheit (10), insbesondere das Lager (28, 30) der Verstelleinheit (10), von einem Antrieb für das Schneidmesser (34) entkoppelt ist.Device according to one of claims 9 to 14,
characterized in that the adjusting unit (10), in particular the bearing (28, 30) of the adjusting unit (10), is decoupled from a drive for the cutting blade (34).
EP20120172931 2006-09-18 2007-08-28 Adjustment unit Active EP2502717B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610043697 DE102006043697A1 (en) 2006-09-18 2006-09-18 adjustment
EP07801932.0A EP2054203B1 (en) 2006-09-18 2007-08-28 Displacement unit

Related Parent Applications (3)

Application Number Title Priority Date Filing Date
EP07801932.0 Division 2007-08-28
EP07801932.0A Division EP2054203B1 (en) 2006-09-18 2007-08-28 Displacement unit
EP07801932.0A Division-Into EP2054203B1 (en) 2006-09-18 2007-08-28 Displacement unit

Publications (2)

Publication Number Publication Date
EP2502717A1 true EP2502717A1 (en) 2012-09-26
EP2502717B1 EP2502717B1 (en) 2013-11-13

Family

ID=38651230

Family Applications (2)

Application Number Title Priority Date Filing Date
EP07801932.0A Active EP2054203B1 (en) 2006-09-18 2007-08-28 Displacement unit
EP20120172931 Active EP2502717B1 (en) 2006-09-18 2007-08-28 Adjustment unit

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP07801932.0A Active EP2054203B1 (en) 2006-09-18 2007-08-28 Displacement unit

Country Status (7)

Country Link
US (1) US8495938B2 (en)
EP (2) EP2054203B1 (en)
JP (1) JP5214612B2 (en)
DE (1) DE102006043697A1 (en)
ES (2) ES2547356T3 (en)
NO (1) NO20091153L (en)
WO (1) WO2008034513A1 (en)

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EP2329930B1 (en) 2009-12-02 2015-10-14 Weber Maschinenbau GmbH Breidenbach Device for cutting a food product
DE102010008047A1 (en) 2010-02-16 2011-08-18 Weber Maschinenbau GmbH Breidenbach, 35236 Apparatus i.e. slicer, for slicing e.g. food product, has cutting blade that is pivotable, where cutting blade remains aligned parallel to cutting plane or departs from parallel alignment
EP2357064B1 (en) 2009-12-21 2015-09-23 Weber Maschinenbau GmbH Breidenbach Device for cutting a food product
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Also Published As

Publication number Publication date
JP2010503542A (en) 2010-02-04
US20100192745A1 (en) 2010-08-05
ES2547356T3 (en) 2015-10-05
DE102006043697A1 (en) 2008-03-27
EP2054203A1 (en) 2009-05-06
ES2439512T3 (en) 2014-01-23
WO2008034513A1 (en) 2008-03-27
JP5214612B2 (en) 2013-06-19
NO20091153L (en) 2009-03-19
EP2054203B1 (en) 2015-07-15
US8495938B2 (en) 2013-07-30
EP2502717B1 (en) 2013-11-13

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