EP2896490B1 - Entraînement de lame circulaire, en particulier pour des trancheuses à pain - Google Patents

Entraînement de lame circulaire, en particulier pour des trancheuses à pain Download PDF

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Publication number
EP2896490B1
EP2896490B1 EP14197326.3A EP14197326A EP2896490B1 EP 2896490 B1 EP2896490 B1 EP 2896490B1 EP 14197326 A EP14197326 A EP 14197326A EP 2896490 B1 EP2896490 B1 EP 2896490B1
Authority
EP
European Patent Office
Prior art keywords
circular blade
drive
shaft
circular
wheel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP14197326.3A
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German (de)
English (en)
Other versions
EP2896490A1 (fr
Inventor
Johannes Hartmann
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.)
GHD Georg Hartmann Maschinenbau GmbH
Original Assignee
Ghd Georg Hartmann Maschinenbau GmbH
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Publication of EP2896490A1 publication Critical patent/EP2896490A1/fr
Application granted granted Critical
Publication of EP2896490B1 publication Critical patent/EP2896490B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • 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
    • B26D1/16—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 mounted on a movable arm or the like
    • 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
    • B26D5/08—Means for actuating the cutting member to effect the cut

Definitions

  • the invention relates to a circular blade drive according to the preamble of patent claim 1.
  • Generic circular blade drives for a bread slicer are from the EP 0 736 361 A2 and the US 5,724,874 A known.
  • a bread slicer with variable slicing thickness which is designed as a table cutting machine and in which the rotating circular knife is attached to a rocker, which performs an oscillating movement. It drives a first drive motor via a shaft to the circular blade and a second drive motor drives via a bracket to the rocker.
  • a control device and a contact switch are required to bring the rocker with the rotatably mounted thereon circular blade in the cutting position.
  • a circumferential movement of the circular blade bearing rocker is not possible because of the limited height of the table machine is not enough space for the circulation of the rocker with the circular blade available.
  • the bread cutter has a complicated construction and it can not be achieved a constant speed during the oscillating movement of the rocker.
  • a drive of a circular blade is described in a table-bread cutting machine, which has a mounted between two end positions mounted on a rocker, driven over its center rotating circular knife.
  • a drive motor begins to work, which simultaneously drives a drive shaft and a crank drive.
  • the circular blade is set in rotation via a lower toothed belt wheel, a toothed belt and an upper toothed belt wheel on the rocker and at the same time the circular blade is moved via the rocker from its lower end position to the bread.
  • the direction of movement of the rocker is reversed over the crank mechanism and the circular blade again reaches its lower end position.
  • neither a circumferential movement of the circular blade bearing rocker nor a separate speed control for the rotation of the circular blade and the circular motion of the rocker are possible.
  • the invention has for its object to provide a circular blade drive in bread slicing machines, in which a separate controllability of the rotation and the circumferential movement of the mounted on a rocker circular blade is possible and in which the speed during the orbital motion of the circular blade is constant.
  • a transmission is provided, wherein the first motor means drives a circular blade shaft rotating with the circular blade held thereon and the second motor means via a rocker shaft rotatably drives the rocker.
  • the rocker shaft in the center of gravity of the rocker is fixed and at a distance from the circular blade shaft is rotatably mounted on the rocker.
  • a drive wheel and a driven wheel are provided, which are designed as helical cylindrical wheels and are paired with each other for positive force transmission, so that they mesh with each other.
  • the teeth are at an angle to the gear axis and there are always two or more teeth in the gear pair at the same time in Contact. Due to the helical gearing, the two wheels run quieter than spur gears, because of the gradual meshing, and they can transmit greater forces, because they have a larger contact surface on the tooth flanks. The resulting axial forces that push the gears apart laterally are absorbed by a corresponding storage.
  • the two shaft axes of the drive wheel and the driven wheel are arranged parallel to each other.
  • the diameters of the two wheels determine the gear ratio for driving the circular blade shaft.
  • a preferred embodiment of the circular blade drive according to the invention has a speed-up ratio, ie the driven wheel performs more revolutions than the drive wheel, so that the transmission ratio is greater than 1.0.
  • the first motor device has a first drive motor whose drive axle is coupled to the drive wheel via a first toothed belt.
  • the driven wheel is coupled to the circular blade shaft to transmit the torque of the first drive motor to the circular blade.
  • the circular blade is held at one end of the circular blade shaft and at the opposite end of the circular blade shaft, the driven wheel is fixed.
  • the second motor device has a second drive motor whose drive shaft is coupled via a second toothed belt to the rocker shaft in order to transmit the torque of the second drive motor to the rocker.
  • the rocker is held firmly at one end of the rocker shaft and at the opposite end of the rocker shaft, the second toothed belt engages.
  • the circular blade is held interchangeable by means of a holding device on the circular blade shaft.
  • the circular blade is quickly and easily interchangeable with wear of the toothing or depending on the requirements of a new or different circular blade.
  • the circular knife shaft and the rocker shaft which simultaneously form the two shaft axes of the transmission for the drive wheel and the driven wheel, are guided in rolling bearings to the axial thrust force of the helical cylindrical wheels take.
  • the drive wheel is guided in bearings rotatably around the swingarm shaft.
  • the circular blade drive according to the invention is arranged on a base support, so that it can be easily inserted into the machine frame of a bread slicer and can be easily removed in the same way for maintenance purposes.
  • the invention also relates to the use of the above-described circular knife drive in bread slicing machines for slicing different types of strand bread in a continuous process.
  • the strand bread is placed on one side of the transport channel, is continuously transported intermittently through the transport channel and thereby crosses the cutting region of the circular blade, and comes cut out on the opposite side of the transport channel.
  • the cutting speed is up to 600 slices per minute and is infinitely variable depending on the requirements.
  • Fig. 1 schematically shows a preferred embodiment of the circular knife drive 1 according to the invention in isometric view.
  • a transmission 7 in which a first motor means via a drive wheel 8 and a driven wheel 9 rotatably drives a circular blade shaft 12 arranged on the top with the circular blade 2 held thereon.
  • the first motor device has a first drive motor 3, whose drive shaft via a first toothed belt 5 is coupled to the drive wheel 8.
  • the driven gear 9 is coupled to the circular blade shaft 12 to transmit the torque of the first drive motor 3 to the circular blade 2.
  • the drive wheel 8 and the driven wheel 9 are paired as helical cylindrical wheels with each other for positive power transmission.
  • the transmission 7 comprises a second motor device which drives the rocker 10 revolving around a centrally arranged rocker shaft 11.
  • the second motor device to a second drive motor 4
  • the drive shaft is coupled via a second toothed belt 6 with the swing arm 11 to transmit the torque of the second drive motor 4 to the rocker 10.
  • the circular blade 2 is held on the right side by means of a holding device 13 interchangeable on the circular blade shaft 12.
  • the circular knife drive 1 is arranged on a base support 14.
  • Fig. 2 shows the circular blade drive 1 in a sectional view.
  • the drive wheel 8 is rotatably arranged on the rocker shaft 11 and the driven wheel 9 is fixedly arranged on the circular blade shaft 12. In the contact region of the drive wheel 8 with the driven wheel 9, two teeth touch simultaneously.
  • the circular blade 2 is held interchangeable by means of the holding device 13 and the left-hand end of the circular blade shaft 12, the driven wheel 9 is held firmly by means of screw.
  • the first toothed belt 5 engages.
  • the rocker 10 is held firmly by means of screw and the left side end of the rocker shaft 11 engages the second toothed belt 6 at.
  • rocker shaft 11 and the circular blade shaft 13 and the drive wheel 8 are guided in a plurality of rolling bearings 15.
  • Fig. 3 shows the circular blade drive 1 in front view, wherein substantially the circular blade 2 are shown with the rocker 10.
  • the rocker shaft 11 is fixedly arranged in the weight center of the rocker 10, so that the circular blade 2 is moved in a circumferential movement U about the rocker shaft 11.
  • the circular blade shaft 12 is rotatably disposed on the rocker 10 at a distance from the center of gravity of the rocker 10, wherein the circular blade 2 is driven in a rotation R about the circular blade shaft 12.
  • the first circular path K1 is described by the rotating R circular blade 2, and the second circular path K2 about the oscillating shaft 11 by the rocker 10.
  • the transport channel 17 with the bread 16 conveyed therein is arranged.
  • the rotating R circular blade 2 enters the transport channel 17 in the cutting position and cuts the bread 16 continuously conveyed intermittently through the transport channel 17. Thereafter, the circular blade 2 again emerges from the transport channel 17 and passes through the outside of the transport channel 17 Room.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing And Processing Devices For Dough (AREA)
  • Food-Manufacturing Devices (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Nonmetal Cutting Devices (AREA)

Claims (11)

  1. Entraînement de lame circulaire (1), qui entraîne une lame circulaire (2) rotative (R) montée de manière rotative sur un bras oscillant (10) et entraînée par l'intermédiaire d'un premier moyen moteur et qui entraîne le bras oscillant (10) par l'intermédiaire d'un second moyen moteur pour déplacer la lame circulaire (2) dans une position de coupe, un mécanisme de transmission (7) étant prévu, dans lequel le premier moyen moteur entraîne un arbre de lame circulaire (12) avec la lame circulaire (2) supportée sur celui-ci et le second moyen moteur entraîne de manière périphérique (K) le bras oscillant (10) par l'intermédiaire d'un arbre de bras oscillant (11) et dans lequel, à une distance d'un centre de gravité du poids du bras oscillant (10), l'arbre de lame circulaire (12) est monté de manière rotative sur le bras oscillant (10), ce qui permet que la vitesse de rotation de l'arbre de lame circulaire (12) est une fonction de la différence de vitesse des deux moyens moteurs, caractérisé en ce que, dans le mécanisme de transmission (7), une roue menante (8) et une roue menée (9) pour l'entraînement de l'arbre de lame circulaire (12) sont prévues et aussi bien l'arbre de bras oscillant (11) que la roue menante (8) du mécanisme de transmission (7) sont congruents dans le premier axe d'arbre (W1) du mécanisme de transmission (7), la roue menante (8) et la roue menée (9) étant réalisées sous la forme de roues cylindriques hélicoïdales et étant associées l'une à l'autre pour la transmission de force par complémentarité de forme, et l'arbre de bras oscillant (11) étant monté de manière solidaire dans le centre de gravité du poids du bras oscillant (10).
  2. Entraînement de lame circulaire (1) selon la revendication 1, caractérisé en ce que les positions des deux axes d'arbres (W1, W2) de la roue menante (8) et de la roue menée (9) sont parallèles l'une par rapport à l'autre.
  3. Entraînement de lame circulaire (1) selon la revendication 1, caractérisé en ce que le premier moyen moteur présente un premier moteur d'entraînement (3) dont l'arbre d'entraînement est couplé à la roue menante (8) par l'intermédiaire d'une première courroie dentée (5).
  4. Entraînement de lame circulaire (1) selon la revendication 1, caractérisé en ce que la roue menée (9) est couplée à l'arbre de lame circulaire (12) pour transmettre le couple de rotation du premier moteur d'entraînement (3) à la lame circulaire (2).
  5. Entraînement de lame circulaire (1) selon la revendication 1, caractérisé en ce que la lame circulaire (2) est supportée à une extrémité de l'arbre de lame circulaire (12), et la roue menée (9) est montée de manière solidaire à l'extrémité opposée de l'arbre de lame circulaire (12).
  6. Entraînement de lame circulaire (1) selon la revendication 1, caractérisé en ce que le second moyen moteur présente un second moteur d'entraînement (4) dont l'arbre d'entraînement est couplé à l'arbre de bras oscillant (11) par l'intermédiaire d'une seconde courroie dentée (6) pour transmettre le couple de rotation du second moteur d'entraînement (4) au bras oscillant (10).
  7. Entraînement de lame circulaire (1) selon la revendication 1, caractérisé en ce que le bras oscillant (10) est supporté de manière solidaire à une extrémité de l'arbre de bras oscillant (11) et la seconde courroie dentée (6) s'engrène à l'extrémité opposée de l'arbre de bras oscillant (11).
  8. Entraînement de lame circulaire (1) selon la revendication 1, caractérisé en ce que la lame circulaire (2) est supportée sur l'arbre de lame circulaire (12) de manière remplaçable à l'aide d'un moyen de support (13).
  9. Entraînement de lame circulaire (1) selon la revendication 1, caractérisé en ce que l'arbre de lame circulaire (11) et l'arbre de bras oscillant (10) ainsi que la roue menante (8) sont guidés dans des roulements (15).
  10. Entraînement de lame circulaire (1) selon la revendication 1, caractérisé en ce que l'entraînement de lame circulaire (1) est monté sur un support de base (14).
  11. Utilisation de l'entraînement de lame circulaire (1), selon une des revendications précédentes, servant d'entraînement pour une lame circulaire (2) dans des trancheuses à pain pour découper différentes sortes de pain (16) dans une opération en continu.
EP14197326.3A 2014-01-16 2014-12-11 Entraînement de lame circulaire, en particulier pour des trancheuses à pain Active EP2896490B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202014100185.9U DE202014100185U1 (de) 2014-01-16 2014-01-16 Kreismesserantrieb, insbesonere für Brotschneidemaschinen

Publications (2)

Publication Number Publication Date
EP2896490A1 EP2896490A1 (fr) 2015-07-22
EP2896490B1 true EP2896490B1 (fr) 2017-06-21

Family

ID=50235819

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14197326.3A Active EP2896490B1 (fr) 2014-01-16 2014-12-11 Entraînement de lame circulaire, en particulier pour des trancheuses à pain

Country Status (5)

Country Link
EP (1) EP2896490B1 (fr)
DE (1) DE202014100185U1 (fr)
DK (1) DK2896490T3 (fr)
LT (1) LT2896490T (fr)
RU (1) RU2677826C2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104128946B (zh) * 2014-07-17 2016-01-13 杭州爱科科技有限公司 一种主动轮刀
DE102018005934A1 (de) * 2018-07-30 2020-01-30 Siller Holding GmbH Motorischer Antrieb für eine Schneidmaschine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1138264A1 (ru) * 1983-01-13 1985-02-07 Институт черной металлургии Дисковые двухпарные ножницы
SU1177083A1 (ru) * 1984-04-10 1985-09-07 Азовское специальное конструкторское бюро кузнечно-прессового оборудования и автоматических линий Дисковые ножницы
DE3706485A1 (de) * 1987-02-27 1988-10-13 Fritz Schickart Scheibenschneid- und teilmaschine fuer brot, kaese und dgl.
US5461956A (en) 1993-01-27 1995-10-31 Oliver Products Company Variable thickness bread slicer
US5724874A (en) * 1994-10-11 1998-03-10 Formax, Inc. Method of manufacturing food loaf slice groups
IT1280839B1 (it) * 1995-04-04 1998-02-11 Hitech Systems Srl Macchina affettatrice industriale perfezionata, particolarmente per prodotti alimentari.
DE10208492A1 (de) * 2002-02-27 2003-09-04 Bsh Bosch Siemens Hausgeraete Allesschneider mit einer Antriebseinheit
DE202005006834U1 (de) 2005-04-29 2006-08-31 Hartmann, Rainer, Dr. Ing. Transportkanal zum Schneiden von Lebensmitteln
RU2368468C2 (ru) * 2007-11-19 2009-09-27 Открытое акционерное общество "Северсталь" (ОАО "Северсталь") Механизм привода вращения ножей дисковых ножниц
DE102010002279A1 (de) * 2010-02-24 2011-08-25 Reifenhäuser, Uwe, 57632 Maschine zum Schneiden eines strangförmigen Lebensmittels
DE102011010935A1 (de) 2011-02-11 2012-08-16 Uwe Schmidt Antrieb eines Kreismessers in Brotschneidemaschinen

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
LT2896490T (lt) 2017-09-11
DK2896490T3 (en) 2017-10-02
RU2015101063A (ru) 2016-08-10
DE202014100185U1 (de) 2014-02-18
RU2677826C2 (ru) 2019-01-21
EP2896490A1 (fr) 2015-07-22
RU2015101063A3 (fr) 2018-07-27

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