EP2072197A1 - Aufschneidemaschine mit axial verschiebbarem Messer - Google Patents

Aufschneidemaschine mit axial verschiebbarem Messer Download PDF

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Publication number
EP2072197A1
EP2072197A1 EP20090003373 EP09003373A EP2072197A1 EP 2072197 A1 EP2072197 A1 EP 2072197A1 EP 20090003373 EP20090003373 EP 20090003373 EP 09003373 A EP09003373 A EP 09003373A EP 2072197 A1 EP2072197 A1 EP 2072197A1
Authority
EP
European Patent Office
Prior art keywords
ausf
cutting
knife
cutting blade
slicing machine
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.)
Withdrawn
Application number
EP20090003373
Other languages
German (de)
English (en)
French (fr)
Inventor
Ralf Peter Mueller
Joerg Schmeiser
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.)
GEA CFS Buehl GmbH
Original Assignee
CFS Kempten GmbH
CFS Buehl GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE10333661A external-priority patent/DE10333661A1/de
Priority claimed from DE2003159149 external-priority patent/DE10359149A1/de
Application filed by CFS Kempten GmbH, CFS Buehl GmbH filed Critical CFS Kempten GmbH
Publication of EP2072197A1 publication Critical patent/EP2072197A1/de
Withdrawn legal-status Critical Current

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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
    • 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
    • B26D1/157—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 movable 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
    • 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
    • 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
    • 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
    • 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 a slicing device for slicing food, in particular sausage, meat or cheese bars with a rotating cutting blade, which is slidably mounted parallel to its axis of rotation. Furthermore, the present invention relates to a method for axially displacing cutting blade and the use of axially displaceable counterweights for stabilizing the running of a cutting blade of a cutting machine, the use of the axial displacement of the cutting blade of a cutting machine for adjusting the zero point and the use of the axial displacement of the cutting blade for adjusting the cutting gap between the cutting blade and a cutting bar.
  • Such axial displacement of the cutting blade is taught, for example, in Patent Publication No. 15 49 52, wherein the axial return stroke of the knife of the slicing machine described therein is realized by a cam coupled to the drive, so that an axial displacement of the blade regardless of the speed of the Messers is not possible.
  • Another slicing machine with an axially displaceable knife is in the DE US 4214264 A1 taught, in the present case, the axial movement is carried out by an actuating cylinder, so that only a movement between two end points and not matched to the respective product is possible.
  • the present invention is therefore based on the object of providing a slicing machine which does not have the disadvantages of the prior art.
  • the slicing machine has a rotating cutting blade, which is displaceably mounted parallel to its axis of rotation.
  • the displacement of the cutting blade is carried out according to the invention by a controlled drive. It was extremely surprising for the person skilled in the art and it was not to be expected that with such a drive a very exact and very rapid axial displacement of the cutting blade would be possible.
  • the position of the cutting blade relative to its zero point is known at all times. Due to the controlled drive, the axial displacement, in particular with respect to travel and acceleration, can be optimally adapted to the respective application. The optimum is u.a.
  • the slicing machine according to the invention realizes a wide variety of displacement profiles, for example, sinusoidal courses of the axial displacement.
  • the optimum displacement of the cutting blade can be stored in a computer associated with the cutting machine.
  • the slicing machine according to the invention is simple and inexpensive to manufacture and operate.
  • the slicing machine has a counterweight, which is displaceable in the opposite direction to the cutting blade.
  • This embodiment of the present invention has the advantage that the acceleration forces and moments are suppressed during the axial displacement of the blade, so that vibrations of the slicing machine are largely avoided.
  • Another object of the present invention is a slicing machine for slicing food, especially sausage, meat or cheese bars with a rotating cutting blade, which is slidably mounted parallel to its axis of rotation, wherein it has a counterweight which is movable in opposite directions to the cutting blade ,
  • This slicing machine has the advantage that acceleration forces or moments, which arise during the axial displacement of the knife, are compensated. As a result, the slicing machine runs almost vibration-free, so that in particular the machine frame can be made much easier. Furthermore, the cutting blade runs much quieter, so that more precise cuts are possible. By a separate adjustment of the counterweight independent of the axial displacement of the blade, forces and / or moments can be canceled, which arise for example by wear or grinding-related Messerunwuchten. This adjustment of the knife is done after attaching the knife or during operation.
  • the displacement of the cutting blade and the counterweight is carried out by a respective regulated drive.
  • This controlled drive has the advantage that a very accurate and very fast axial displacement of the cutting blade and the counterweight is possible.
  • the positions of the cutting blade relative to its zero point and the counterweight are known at all times.
  • the respective axial displacement in particular with regard to travel and acceleration, can be optimally adapted to the respective application.
  • the optimum displacement of the cutting blade is, inter alia, a function of the cutting performance of the product, in particular the product geometry as well as the temperature of the product, the knife geometry, the position of the knife to the product and / or the disk thickness.
  • the slicing machine can realize a wide variety of displacement profiles, for example, sinusoidal courses of the axial displacement.
  • the optimum displacement of the cutting blade and the counterweight can be stored in a computer associated with the cutting machine.
  • the slicing machine according to the invention is simple and inexpensive to manufacture and operate.
  • the slicing machine only has a preferably controlled drive for the displacement of the cutting knife and the counterweight.
  • This embodiment has the advantage that only one drive is necessary for both movements.
  • a controlled drive of the displacement reference is made to the above.
  • the circular knife advantageously turns around like a planet.
  • the knife is rotated by a drive.
  • this drive is regulated.
  • a counterweight is any weight with which the cancellation of the acceleration forces or acceleration moments and / or the cancellation of forces or moments caused by Messerunwuchten and the like, is possible.
  • the person skilled in the art recognizes that the mass of the counterweight does not have to correspond to the mass of the cutting blade. The same applies to the temporal acceleration course and the displacement path of the counterweight, which need not correspond to the acceleration course or the axial displacement of the blade.
  • the counterweight does not have to be symmetrical, in particular not rotationally symmetrical.
  • the displacement of the blade and / or the counterweight is at least largely free of play.
  • the displacement of the cutting blade and / or the counterweight is independent of the speed of the cutting blade.
  • the cutting blade has a drive shaft and the cutting blade and / or the counterweight are displaceably mounted along the drive shaft.
  • the drive shaft preferably has a controllable drive.
  • the displacement of the cutting blade and / or the counterweight takes place with a spindle, which is particularly preferably arranged within the drive shaft.
  • This spindle is preferably controllably drivable and preferably cooperates with the thread of at least one sleeve (nut), which is connected to the cutting blade or with the counterweight.
  • the slicing machine has two sleeves, one cooperating with the cutting knife and one with the counterweight. These sleeves preferably have different threads, wherein the threads preferably differ in their direction of travel and / or in their pitch angle.
  • both the cutting blade and the counterweight are displaced by a drive.
  • the connection between the sleeves and the spindle is at least largely free of play. This can be achieved for example by a bias of the sleeves, so that they always rest on the same edge of the spindle.
  • the displacement mechanism for the knife and / or for the counterweight is forced temperature controlled, preferably cooled.
  • the drive of the cutting blade and / or its storage is additionally forcibly cooled.
  • the respective temperature control can be carried out by liquids, preferably aqueous liquids or oil, and / or gas.
  • Another object of the present invention is a method for axially displacing cutting blades during operation, wherein a counterweight is displaced in the opposite direction to the cutting blade.
  • the method according to the invention has the advantage that no or only slight vibrations occur when moving the cutting blade.
  • the inventive method is simple and inexpensive to perform.
  • the displacement of the cutting blade or the counterweight takes place synchronously.
  • the displacement of the cutting blade or the counterweight takes place with a drive.
  • Another object of the present invention is the use of axially displaceable counterweights for stabilizing the running of a cutting blade of a slicing machine.
  • Another object of the present invention is the use of the axial displacement of a cutting blade for adjusting the zero point of the cutting blade.
  • the zero point of the cutting knife is the point where the knife just stops touching the cutting bar.
  • This use according to the invention has the advantage that the adjustment of the zero point relative to the so-called cutting bar can be done virtually automatically.
  • the cutting bar only has to be changed in its position in extremely rare cases, so that the adjustment of the zero point, which must be carried out after each grinding of the knife, can be carried out automatically.
  • the torque of the drive of the knife is measured.
  • a control unit associated with the slicing machine recognizes that there is contact between the cutting knife and the cutting bar and moves the knife away from the cutter bar until the torque has dropped again accordingly. This point is the new zero point.
  • the zero point can be stored and used for example for automatic adjustment of the cutting gap.
  • the zero point setting can be made at the start of the machine or during operation. For example, the zero point can be checked at regular intervals during operation of the machine and reset if necessary.
  • Another object of the present invention is the controlled axial displacement of the cutting blade for adjusting the cutting gap between the cutting edge of the cutting blade and a cutting bar.
  • This use according to the invention has the advantage that the cutting gap can be changed during operation or adapted to changing operating conditions. This makes it possible to produce the smallest possible cutting gap and thus very constant slice thicknesses.
  • the expansion of the blade by thermal expansion or by centrifugal forces as well as the operational wear is compensated in order to produce as constant as possible constant disk thickness.
  • the cutting gap is set automatically via a display and no longer needs to be manually measured or adjusted.
  • the mechanical behavior of the knife is modeled and / or based on maps in the machine control, such as a computer deposited.
  • This data will be used for the adjustment of the Cutting gap used in the operation of the cutting blade, so that at each operating time; that is, for example, at any speed and at any temperature with an at least almost constant cutting gap can be worked.
  • Another object of the present invention is a device for slicing food with a knife having a cutting plane and driven by a drive shaft driven knife and a cutting edge, the knife for adjusting the cutting gap between the cutting plane and the cutting edge is mounted slidably parallel to its drive shaft and the device comprises an adjusting means with which the cutting gap can be fixed.
  • the device according to the invention succeeds in automatically setting the cutting gap of a slicing device.
  • the device according to the invention is simple and inexpensive to manufacture and operate.
  • the device for slicing food on an adjusting with which the cutting gap can be fixed.
  • the adjusting means is brought into a certain position and then axially displaced the knife until it touches the adjusting means or until there is a certain distance between the adjusting means and the cutting plane of the knife. The distance between the cutting plane and the cutting edge then corresponds to the desired cutting gap.
  • the adjustment is therefore an adjustment stop against which the knife is driven by an axial displacement. As soon as the knife touches the adjusting stop, the axial displacement of the knife is terminated.
  • the Justieranschlag between a basic position and an adjustment position is movable.
  • the adjustment position In the adjustment position, the setting of the cutting gap.
  • the adjustment stop In the basic position, the adjustment stop has a conscience distance to the knife.
  • This embodiment of the present invention has the advantage that the slicing of the food bar is not affected by the adjustment stop.
  • the adjustment of the Justieranschlags between the basic and the adjustment position can be done in any manner known to those skilled in the art.
  • a manual setting is mentioned here.
  • the adjustment is carried out by an actuator, so that a very accurate positioning of the adjusting means and thus a very accurate adjustment of the cutting gap is possible.
  • the detection of the contact between the knife and the adjusting means can be done in any manner known to those skilled in the art.
  • the adjustment stop preferably has a touch sensor.
  • the axial displacement of the knife with a motor, preferably a servo motor.
  • the current consumption of the motor can be used to determine the contact with the adjusting means.
  • the position of the adjusting means preferably the Justieranschlages and thus the width of the cutting gap, particularly preferably by means of a display selectable.
  • the machine operator selects the desired cutting gap on the display and the adjustment stop moves automatically into the corresponding position at the next setting of the cutting gap.
  • the setting of the cutting gap is done with the knife stationary.
  • the setting of the cutting gap can also be done with the rotating blade, for example, to compensate for speed and / or thermally induced changes in the cutting plane.
  • the device according to the invention has the particular advantage that the axial position of the knife after touching the Justieranschlages or after the determination of a certain distance of the blade to the cutting edge no longer needs to be changed.
  • Another object of the present invention is a method for adjusting the cutting gap with the device according to the invention, in which an adjustment stop is moved from its basic to the desired cutting gap corresponding adjustment position and the knife is axially displaced until it touches the Justieranschlag.
  • any desired cutting gap which can be preselected for example on a display, can be set before or during the operation of the knife.
  • the adjustment stop is brought to the initial position after the adjustment of the cutting gap.
  • Another object of the present invention is a device for slicing food with a rotating cutting blade, which is displaceable parallel to its axis of rotation, wherein the displacement takes place with at least one means having a first and second end, which are mutually changeable in their position ,
  • the means is a coupling rod or a leaf spring.
  • first and the second end of the means are rotated against each other, so that their length shortened reversibly relative to the axis of rotation.
  • the means for example a leaf spring, is bent and relaxed again.
  • FIG. 1 shows a schematic diagram of the slicing machine according to the invention.
  • the food to be sliced 1 is on a support (not shown) having a cutting bar 15 at its front end.
  • the knife 2, with the food slices are separated from the food 1, has a cutting edge 18 which cooperates with the cutting bar 15 during the separation of the food slices.
  • the knife 2 is by means of a hub 7 on the Drive shaft 5 axially displaceable but rotatably mounted on two bushings 19.
  • the drive shaft 5 is in turn rotatably supported by bearings 10 on a machine frame 17.
  • the drive shaft 5 is driven by means of the toothed belt wheel 11, which cooperates with a controlled drive (not shown), for example a servo motor.
  • the counterweight 4 rotatably, but axially displaceably mounted on two bushings 19.
  • a spindle 6 which is connected via the toothed belt wheel 12 with a controlled drive (not shown), in the present case a servo motor.
  • the sleeves 8 and 9 are arranged, each having an internal thread 13, 14, which cooperates with the spindle 6.
  • the thread 13 is a right-hand thread while the thread 14 is a left-hand thread.
  • the threads differ in their pitch. The skilled person recognizes that the latter need not be the case.
  • the sleeve 8 is connected to the hub 7, on which the knife 2 is arranged.
  • the hub 7 and the sleeve 8 can also be made in one piece.
  • the sleeve 9 is connected to the counterweight 4. Again, a one-piece design is conceivable.
  • the shaft 5 and the spindle 6 rotate during the slicing of food at the same speed, so that the sleeves are 8.9 in a stationary position relative to the spindle 6.
  • the speed of the spindle 6 or the drive shaft 5 is changed so that they no longer run at the same speed, so that the sleeves 8, 9 move relative to the spindle 6 , Due to the different directions of rotation of the threads 13, 14 of the sleeves 8, 9, the cutting blade and the counterweight move in different directions, so that cancel forces or moments that are induced by the respective movements.
  • the pitch of the thread 14 of the sleeve 9 is greater than the pitch of the thread 13 of the sleeve 8, so that the counterweight 4 can be selected smaller than the mass of the cutting blade.
  • the counterweight 4 does not have to be rotationally symmetrical, so that imbalances of the blade can be compensated with the counterweight.
  • the counterweight 4 can be moved independently of the cutting blade along the spindle. Since it is not a rotationally symmetric blade in the present case, the hub 7 in its upper part a balancing mass 16 'on which an additional balancing mass 16 is arranged in order to ensure balancing of the blade.
  • the balancing masses 16, 16 ' are arranged on the right and left of the knife, in order to avoid tumbling of the knife.
  • the balancing masses 16, 16 'need not be arranged directly on the knife. For example, it is advantageous if the blade 2 is displaced axially without the balancing masses 16, 16 '.
  • the exemplary slicing machine has controlled drives, this can be used to set the zero point of the cutting blade.
  • the knife 2 is initially spaced apart from the cutting bar 15 arranged in a rotational movement and slowly moved in the direction of the cutting bar 15.
  • the torque is measured, which is required to drive the cutting blade 2 constant.
  • d. H. the cutting blade is in engagement with the cutting bar 15, the axial movement of the blade is stopped and optionally reversed incrementally.
  • the setting thus found is the new zero point.
  • This embodiment has the advantage that the cutting bar does not have to be moved relative to the knife as in the prior art and that the zero point finding can be done automatically in the slicing machine according to the invention and can be repeated during the slicing process.
  • the zero point is stored by the slicing machine according to the invention in a control unit associated with the machine and can be used to adjust the cutting gap.
  • the controlled drive can be used to adjust or readjust the gap width.
  • the cutting blade 2 is bowl-shaped. During operation of the cutting blade 2, this expands, for example, by thermal effects and / or centrifugal forces. The degree of expansion is thus, inter alia, a function of the rotational speed of the cutting blade and the expert either known or can be measured.
  • the expansion by a relative movement between the spindle and the drive shaft be balanced so that can be cut with the slicing machine according to the invention during the entire cutting process with a constant cutting gap and thus food slices with a very constant thickness can be achieved.
  • the drive 5, 7 of the blade 2 and / or the adjusting mechanism 6, 8, 9 of the blade 2 and / or the counterweight 4 are temperature controlled in the present slicing machine, preferably cooled.
  • FIG. 2 shows a further schematic diagram of the slicing machine according to the invention with a spindle 6.
  • the slicing machine substantially corresponds to the slicing machine according to FIG. 1 , so that the statements made there apply analogously.
  • the slicing machine has a spring 20, which cooperates with the sleeves 8, 9 and biases them so that their threads 13, 14 cooperate in each case only with one flank of the thread of the spindle.
  • the play between the sleeves 13, 14 and the spindle 6 is at least largely reduced.
  • the hub 7 is not mounted on bushes but on lamellae 21. The lamellae deform during the axial displacement of the hub 7.
  • the lamellae can simultaneously assume the function of an axial spring for backlash-free bias of the sleeve 8.
  • slotted louvers can also be used.
  • the storage with slats has the advantage that no friction and thus no heat and no wear occurs.
  • details of the temperature, preferably cooling can be found in the present illustration.
  • the tempering medium in the present case water, is fed via the channels 22 of the slicing machine and then passed into the area in which the storage of the blade and the displacement of the blade 2 and the counterweight 4 takes place. After these areas have been tempered, the tempering is led out via the channels 23 from the slicing head.
  • FIG. 3 shows a schematic diagram of the slicing machine according to the invention with three spindles.
  • the knife is attached to a knife holder 24 arranged, which is axially displaceable.
  • the knife holder 24 has a balancing mass.
  • the axial displacement of the knife holder takes place as in FIG. 1 shown, except that in the present case, the axial displacement is done not by one but by at least 3 spindles, which cooperates with two sleeves, the spindles are arranged rotationally fixed and the sleeves 8, 9 (only one shown) driven by the gear 25 becomes.
  • a sleeve has a right-hand and a left-hand thread.
  • the driven by the drive shaft 5 rotor 26 and the gear 25 rotate at the same speed and in the same direction.
  • the speed of the gear 25 or the rotor is changed so that the spindle and thus the knife holder 24 and the counterweight 4 moves in the desired direction.
  • the spindle 6 can also be driven and the sleeves 8, 9 can be rotationally fixed.
  • each spindle 6 or sleeve 8, 9 can be driven individually.
  • the displacement mechanism is tempered.
  • a tempering medium preferably water, is passed through the channel 22 and an axial bore in each spindle and then discharged through the channel 23 again.
  • FIG. 4 a device according to the invention for cutting Lebensmfttelriegeln is shown.
  • the food bars (not shown) are transported with the conveyor belt 32 in the direction of a knife 27, which cuts the food bar into food slices.
  • the knife 27 is rotatably connected to a shaft 30 which is driven in rotation by a motor (not shown).
  • the knife 27 is mounted on the shaft 30 axially displaceable.
  • the skilled person understands that the shaft itself can be mounted axially displaceable.
  • the knife must not touch the cutter bar 28 when cutting.
  • the device according to the invention has an adjusting stop 31, which in the present representation is in its basic position, ie that it is relatively far removed from the knife.
  • the adjustment stop 31 can, as by the double arrow shown, moved axially.
  • This axial displacement can be done manually, but preferably it is done by adjusting drive, which in turn is connected to a central control unit, so that for example on the display of the machine a certain position of the Justieranschlages and thus a certain width of the cutting gap can be preselected.
  • the axial displacement of the Justieranschlages in the direction of the knife is limited in the present case by the nuts 41.
  • FIG. 5 shows the device for slicing food according to FIG. 1 ,
  • the adjustment stop is in its adjustment position; ie it has been moved by the actuator or manually to the left towards the knife.
  • the knife After the adjustment stop has been moved to the left, the knife becomes as in FIG. 6 shown, moved axially to the right until it touches the adjustment stop.
  • the axial displacement of the blade takes place in the present case by a motor.
  • the touch of the knife and the adjusting stop can be detected, for example, by a touch sensor located in the adjusting stop or by the current drawn by the motor which axially displaces the knife.
  • the adjustment of the adjustment gap can be done before cutting a new food bar and / or after a knife change.
  • the device according to the invention it is possible to adjust the cutting gap when stationary or even with a rotating knife.
  • the setting with a rotating knife has the advantage that changes in the cutting plane, for example by centrifugal forces or thermal influences can be compensated.
  • FIG. 8 a further slicing machine according to the invention is shown.
  • slicing machines slices of a food bar, for example a sausage, ham or cheese bar, are separated today with relatively high cycle numbers.
  • the food is here on a product edition on and are transported by this gradually or continuously against the cutting blade.
  • Such idle cuts are generated for example by a preferably axial displacement of the knife.
  • the axial displacement of the blade is in FIG. 8 shown.
  • the device shown there has a rotating knife 2, which cooperates with a cutting bar 28.
  • the knife 27 is rotatably mounted on the left end of the shaft 30.
  • the shaft 30 has at its right end a means 40 which is connected directly or indirectly to a motor which drives the shaft 30. Furthermore, the device according to the invention coupling rods 33 which are connected by means of ball joints at its two ends 34, 35 with receiving rings 36, 37.
  • the receiving ring 36 is rotatably, but axially displaceably mounted on the shaft 30.
  • the receiving ring 37 is rotatably mounted on the shaft 30 and is driven by the means 39 which is directly or indirectly connected to a motor.
  • means 39 and 40 are synchronously controlled. Since the coupling rods 33 are in a vertical position, the distance between the knife 27 and the cutting bar 28 in the present figure is greatest possible. In this position of the knife, gaps are created.
  • FIG. 9 a state is shown after the coupling rods 33 have been twisted. Due to the fact that the axial length has been reversibly shortened relative to the axis of rotation by the rotation, the receiving ring 36 and thus the knife 27 are retracted axially in the direction of the cutting bar 28. The distance between the cutting plane and the knife now corresponds to the desired cutting gap and food slices are separated from the food bar.
  • the rotation of the coupling rods is effected by a short-term change in the speed of the means 39 compared to the speed of the means 40, wherein the speed change must be such that either the speed of the means 39 slows down compared to the speed of the means 40 or that the speed of the By means of 40 compared to the speed of the means 39 is increased.
  • the two means 39, 40 again at the same speed.
  • a greater distance between the knife 27 and the cutting bar 28 can be achieved again by bringing the coupling rods 33 into a vertical position. This is done either by the fact that the speed of the means 39 accelerated for a short time and / or that the speed of the means 40 is slowed down for a short time.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food-Manufacturing Devices (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Earth Drilling (AREA)
  • Dairy Products (AREA)
  • Surgical Instruments (AREA)
  • Dowels (AREA)
  • Meat, Egg Or Seafood Products (AREA)
  • Processing Of Meat And Fish (AREA)
EP20090003373 2003-07-23 2004-07-23 Aufschneidemaschine mit axial verschiebbarem Messer Withdrawn EP2072197A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10333661A DE10333661A1 (de) 2003-07-23 2003-07-23 Axial verschiebbares Messer
DE2003159149 DE10359149A1 (de) 2003-12-16 2003-12-16 Schneidspalteinstellung
EP20040763442 EP1651396B1 (de) 2003-07-23 2004-07-23 Axial verschiebbares messer

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CN111958663A (zh) * 2020-08-07 2020-11-20 绍兴市高砚智生物科技有限公司 生物切片机及其控制方法

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EP1651396B1 (de) 2010-05-26
US20070028742A1 (en) 2007-02-08
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