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WO2018064699A1 - Régulation de pression hydraulique du tiroir à pâte d'un diviseur de volume - Google Patents

Régulation de pression hydraulique du tiroir à pâte d'un diviseur de volume Download PDF

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Publication number
WO2018064699A1
WO2018064699A1 PCT/AT2017/060256 AT2017060256W WO2018064699A1 WO 2018064699 A1 WO2018064699 A1 WO 2018064699A1 AT 2017060256 W AT2017060256 W AT 2017060256W WO 2018064699 A1 WO2018064699 A1 WO 2018064699A1
Authority
WO
WIPO (PCT)
Prior art keywords
cylinder
dough
lever
pressure
pivot lever
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.)
Ceased
Application number
PCT/AT2017/060256
Other languages
German (de)
English (en)
Inventor
Robert Sauseng
Stefan WINDHABER
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.)
Koenig Maschinen GmbH
Konig Maschinen GmbH
Original Assignee
Koenig Maschinen GmbH
Konig Maschinen 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
Application filed by Koenig Maschinen GmbH, Konig Maschinen GmbH filed Critical Koenig Maschinen GmbH
Publication of WO2018064699A1 publication Critical patent/WO2018064699A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21C—MACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH
    • A21C5/00—Dough-dividing machines
    • A21C5/02—Dough-dividing machines with division boxes and ejection plungers
    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21C—MACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH
    • A21C7/00—Machines which homogenise the subdivided dough by working other than by kneading
    • A21C7/005—Machines which homogenise the subdivided dough by working other than by kneading the dough pieces being worked in radially disposed cavities in a rotating drum

Definitions

  • the invention relates to a device for weighing dough according to the preamble of patent claim 1 and a device for portioning and processing of dough according to claim 13.
  • the devices and methods known from the prior art comprise one or more chambers, are pressed into the dough by a Auswieschieber and the size of the depth of the chamber, the volume of such portioned dough pieces is specified.
  • Such a device is known for example from AT 513308 A1.
  • a toggle is operated, which moves a Ausiegeschieber linearly in an output channel, thereby ejecting dough into a dough drum.
  • an air bellows arranged in the lever mechanism of the ejection slide, the distance between two levers is adjusted, thereby determining the ejection stroke of the ejection slide.
  • the lever mechanism comprises a cylinder, in particular a hydraulic cylinder or pneumatic cylinder, which is connected to a pressure accumulator, wherein the cylinder between the drive and the Auswieschieber is arranged such that upon actuation of the Auswiegschiebers in the Auswiegehub the stroke of the piston of the cylinder in force of the drive is adjusted when exceeding a Kraftschwell learners the cylinder, so that the force and the stroke of the Auswieschiebers is limited to the dough.
  • the lever mechanism has a rotatable, in particular pivotable, mounted first pivot lever and a rotatable, in particular pivotable, mounted second pivot lever, wherein the first pivot lever carries an actuating extension for reciprocating the Auswieschiebers and the second Pivot lever from the drive is pivotable, wherein the cylinder between the second pivot lever and the drive is arranged and wherein the cylinder is preferably rotatable with one end to the pivot bearing of the second pivot lever, in particular pivotally connected and rotatable with the other end to the drive, in particular pivotable, is connected and, where appropriate, the second pivot lever with the cylinder forms a toggle.
  • the pressure accumulator preferably designed as a diaphragm accumulator, and having a, in particular linear, controllable characteristic with continuous positive slope.
  • the monitoring of the pressure in the pressure accumulator and in the cylinder or in the hydraulic system is further improved by the pressure accumulator and the cylinder with a pump, in particular hydraulic pump, and a pressure sensor are connected, by means of the pump, the pressure in the pressure accumulator and the cylinder can be predetermined.
  • the structure of the device can be simplified or reduced by the first pivot lever and the second pivot lever are pivotally mounted together on mutually parallel pivot axes or that the first pivot lever and the second pivot lever on the same pivot axis, in particular a common shaft, are mounted together pivotable.
  • the cylinder can be pressurized or zugbeaufschlagbar upon actuation of the drive and the second pivot lever is deflected by the cylinder about the pivot axis, so that coupled to the first pivot lever ejector slide on pivoting of the second pivot lever along an output channel is.
  • the cylinder is in fluid communication with the pressure accumulator, wherein the pressure accumulator and the cylinder are acted upon by a same preset pressure, wherein the cylinder and the pressure accumulator are arranged such that in Auswiegehub when concerns an increasing tensile or compressive force Fluid is forced out of the cylinder into the pressure accumulator on the cylinder and the associated increase in the pressure in the cylinder, so that the piston of the cylinder is adjusted.
  • An advantageous connection of the first pivot lever to the ejector slide provides that the ejector has a recess into which the first pivot lever, preferably with a rotatably mounted on the free end of the actuating extension roller, engages.
  • the Aubaldehub of Auslegeschiebers can be monitored advantageously by the lever mechanism comprises a stroke sensor, in particular a displacement sensor, which is designed to detect the working stroke of the cylinder, whereby preferably Conclusion on the degree of filling of the dough storage space is made possible and optionally dough can be introduced by means of a feeder in the dough storage space.
  • a stroke sensor in particular a displacement sensor, which is designed to detect the working stroke of the cylinder, whereby preferably Conclusion on the degree of filling of the dough storage space is made possible and optionally dough can be introduced by means of a feeder in the dough storage space.
  • the lever mechanism has a Hubüberschreitungssensor, wherein the Hubüberschreitungssensor is designed such that when exceeding an adjustable maximum stroke of the cylinder, an emergency stop mechanism is actuated.
  • the cylinder, the accumulator and / or the pump are designed as low pressure system and in particular have a working pressure of less than 100bar.
  • the life of the components can be increased and increased safety of the device can be ensured.
  • the drive comprises a rotationally driven crank wherein the crank is connected to the second pivot lever or the cylinder and drives the lever mechanism.
  • An advantageous application of the device provides that this is included in a device for portioning and processing of dough, wherein further comprises a rotatable or pivotable Auswiegermommel with at least one movable in a receiving chamber weighing die, wherein the Auswieschieber such Receiving chamber of the dough drum is arranged, that in the Auswiegehub dough from the Teigvorratsraum is introduced into the receiving chamber of the dough drum.
  • Fig. 1 shows an embodiment of the device according to the invention in a partial section with schematically illustrated, hydraulic components
  • Fig. 2 shows schematically the Auswieschieber in the Auswiegehub.
  • a selector slide 2 to be connected to a drive 3 via a lever mechanism 10.
  • the ejector slide 2 is connected via an actuating extension 18 with a pivot lever 1 1.
  • the pivot lever pivots 1 1 and leads to a reciprocating movement of the ejector 2.
  • the ejector slide 2 is thereby adjusted in the output channel 21 and can be located in the dough storage space 5 so-called dough template on the output channel 21 out of the device 100 eg in a dough drum 40 deploy.
  • the lever mechanism 10 further comprises a cylinder 4 which is connected to a pressure accumulator 20.
  • the cylinder 4 is integrated in the chain of motion of the lever mechanism 10 and forwards the tensile and / or pressure forces generated by the drive 3 or the movement of the drive in the lever mechanism 10 via the pivot lever 1 1 to the ejector slide 2 on.
  • the cylinder 4 is in a defined, predetermined position with a defined pressure and causes the movement kinematics of the lever mechanism 10 a defined excavation of the ejector 2. If the cylinder 4 by the drive 3 pressure or zugbeetzschlagt, the pressure of the cylinder in the 4th the medium is changed and the piston 41 of the cylinder 4 adjusted.
  • FIG. 1 An advantageous embodiment of the device 100 is shown in Fig. 1, wherein the cylinder 4 and the Auswieschieber 2 and other components are shown in section.
  • the drive 3 comprises a crank 31 and is connected via a pivot bearing 32 with the piston 41 and the piston rod of the cylinder 4.
  • the cylinder 4 is formed in this embodiment as a double-acting hydraulic cylinder.
  • the cylinder 4 is connected to the oil chamber of the small piston surface via hydraulic lines to a pressure accumulator 20.
  • the hydraulic system of the piston 4 and the accumulator 20 is powered by a pump 8.
  • the cylinder 4 is rotatably or pivotably connected at the drive-remote end with a second pivot lever 12.
  • the second pivot lever 12 is further connected to the cylinder 4 far end via a, in this embodiment, device fixed or rigid, pivot bearing 13 to the first pivot lever 1 1, which in turn is connected via an actuating extension 18 with the ejector 2.
  • the first pivot lever 1 1 and the second pivot lever 12 are rigidly connected together on the pivot bearing 13, whereby a rotation of the second pivot lever 12 about the pivot axis 13 to a rotation of the first pivot lever 1 1 about the pivot axis 13 by the same angle.
  • the first pivot lever 1 1 has a rotatably mounted roller 16 on the actuating extension 18.
  • the roller 16 is arranged in a recess 17 of the Auswieschiebers 2 and can thus perform the height compensation of the Auswieschiebers 2 to the first pivot lever 1 1 in its pivoting movement or in the Auswiegehub.
  • a defined deflection force or a defined ejection pressure and an ejection stroke of the ejection slider 2 can be determined by way of the characteristic curve of the accumulator 20, the force-displacement kinematics of the cylinder 4 and the lever ratios of the lever mechanism 10 the dough 43 can be adjusted at maximum deflection by the drive 3.
  • the pressure accumulator 20 is in the preferred embodiment shown in Fig. 1, a diaphragm accumulator having a linear, controllable characteristic with continuous positive slope. This means that the characteristic in the broadest sense has no return oscillation movement or own transient response when reaching a filling state or filling pressure and does not lead to a lowering of the pressure.
  • the pressure in the cylinder 4 or in the pressure reservoir 20 can be adapted to the dough 43 or the ejection stroke can be adjusted via the pressure in the cylinder 4 or in the pressure reservoir 20.
  • the varying pressure in the cylinder 4 causes a different extension length of the piston 41, whereby the Auswiegehub 2 can be performed for different doughs or different Auswiegemengen without changing the components.
  • the lever mechanism 10 comprises a stroke sensor 6 which, in the embodiment shown in FIG. 1, is designed as a travel sensor is.
  • the stroke sensor 6 detects the working stroke of the cylinder 4 and the stroke of the piston 41st About the change in the piston stroke can be detected on the lever ratios in the lever mechanism 10, the Auswiegehub the Auswieschiebers 22.
  • the stroke sensor 6 By detecting the stroke of the piston 41, the balanced amount of the dough 43 from the dispensing passage 21 and the device 100 can be easily measured.
  • dough can be introduced by means of a feeder in the Teigvorratsraum 5 and thus ensure that a defined Teigiffratsraum is fallen short of.
  • a further embodiment of the invention provides that the lever mechanism 10 may have a Hubüberschreitungssensor 9. About the Hubüberschreitungssensor 9 then a predefined maximum extension stroke or stroke of the piston 41 is detected and stopped the device 100 via an emergency stop mechanism connected to the Hubüberschreitungssensor 9.
  • a cleaning agent possibly forgotten in the dough storage space 5, ie a broom or the like can be detected.
  • the ejection slide 2 would collide with the forgotten object and increase the force in the lever mechanism 10.
  • the piston of the cylinder 4 would thus be pulled out and reach a maximum extension length detected by the overspeed sensor 9 and the drive be switched off.
  • an overshoot of the forces on the ejection slide 2 or in the lever mechanism 10 and damage to parts of the device 100 or the forgotten object is thus prevented.
  • the hydraulic system comprises a pressure sensor 19, with which the pressure in the cylinder 4 or in the pressure accumulator 20 can be detected.
  • an overpressure system with a pressure relief valve 33 and an oil tank 34 is connected to the pressure lines.
  • the hydraulic components, that is, the pressure accumulator 20 and the cylinder 4 or the pump 8 and the other hydraulic systems are designed as low-pressure system and in particular have a working pressure of less than 100 bar.
  • the cylinder 4 or the pressure accumulator 20 are not designed as a hydraulic system, but as a pneumatic system.
  • the drive 3 may also be designed as a linear drive and the linear adjustment of the lever mechanism 10 on the cylinder 4 by this linear drive.
  • the lever mechanism 10 includes only one pivot lever and a pivot lever itself is designed as a cylinder. The ejector slide 2 can then be connected or arranged at the end of the cylinder remote from the drive 3 itself, so that the cylinder 4 adjusts the ejection slide 2 in the output channel 21.
  • a further aspect of the invention provides that the device according to the invention is contained in a device for portioning and processing dough.
  • the device for portioning and processing dough further comprises a dough drum 40 or a sub-drum for receiving the balanced dough.
  • rocking punch 44 are provided which are adjustable in a receiving chamber 42 for dough. If now the dough 43 (FIG. 2) is introduced from the dough storage space 5 into the receiving chamber 42 by means of the ejection slide 2, the volume of the receiving chamber 42 and the stroke of the ejection slide 2 and the pull or pull applied via the piston 4 in the lever mechanism 10 are determined Compressive force determines the weight of the balanced dough.
  • FIG. 2 Compressive force determines the weight of the balanced dough.
  • the drive 3 can also be driven in the counterclockwise direction, pressure forces then being exerted on the cylinder 4 instead of the tensile forces.
  • the kinematics described in Fig. 1 would then perform the piston 41 a negative piston stroke, ie in the cylinder 4 continue to be sunk and thus reduce or specify the force of deflection or the pressure on the dough 43.
  • the pressure accumulator 20 may alternatively also be designed as a bladder accumulator, piston accumulator, metal bellows accumulator, spring accumulator or another accumulator known from the prior art.
  • Such pressure accumulators advantageously have a linear characteristic. Since the characteristic curve of the pressure accumulator 20 is known, the pressure in the pressure accumulator 20 or in the cylinder 4 can be preset according to the desired ejection pressure at the ejection slide 2. By the drive 3 and the reached Auswiegehub the Auswieschiebers 2 then a lying on the characteristic of the pressure accumulator 20 pressure and thus a maximum ejection pressure or a maximum deflection force is achieved or adjusted depending on the dough.
  • the total stroke or maximum stroke of the cylinder 4 is advantageously two times greater than the radius of the crank 31, which prevents the piston 41 from being in contact with the housing of the cylinder 4, thus causing an unwanted increase in force in the lever mechanism 10 and thus in the dough 43.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Manufacturing And Processing Devices For Dough (AREA)

Abstract

L'invention concerne un dispositif (100) destiné à peser de la pâte, comprenant un mécanisme à levier (10) muni d'au moins un levier pivotant (11, 12) et un tiroir de pesée (2) avec lequel de la pâte peut être transportée dans une course de pesée depuis un espace de stockage de pâte (5) vers un tambour à pâte (40). Le levier pivotant (11) porte une saillie d'actionnement (18) pour un mouvement de va-et-vient du tiroir de pesée (2). Le levier pivotant (11) peut être amené à pivoter autour de son palier de pivotement (13) par un système d'entraînement (3). Le mécanisme à levier (10) comprend un cylindre (4), en particulier un cylindre hydraulique ou pneumatique, qui est relié à un accumulateur de pression (20), le cylindre (4) étant disposé entre le système d'entraînement (3) et le tiroir de pesée (2) de manière à ce que la course du piston (41) du cylindre (4), lors de l'actionnement du tiroir de pesée (2) dans la course de pesée, soit ajustée par la force exercée par le système d'entraînement lors du dépassement d'une valeur de seuil de force sur le cylindre, afin de limiter l'action de la force et la course du tiroir de pesée (2) sur la pâte.
PCT/AT2017/060256 2016-10-07 2017-10-06 Régulation de pression hydraulique du tiroir à pâte d'un diviseur de volume Ceased WO2018064699A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50908/2016 2016-10-07
ATA50908/2016A AT519198A1 (de) 2016-10-07 2016-10-07 Hydraulische Druckregelung des Teigschiebers für Volumensteiler

Publications (1)

Publication Number Publication Date
WO2018064699A1 true WO2018064699A1 (fr) 2018-04-12

Family

ID=60153009

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2017/060256 Ceased WO2018064699A1 (fr) 2016-10-07 2017-10-06 Régulation de pression hydraulique du tiroir à pâte d'un diviseur de volume

Country Status (2)

Country Link
AT (1) AT519198A1 (fr)
WO (1) WO2018064699A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT521634A1 (de) * 2018-09-11 2020-03-15 Koenig Maschinen Gmbh Druckgesteuerte Rundwirkeinrichtung für Teigbandanlagen

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT351480B (de) * 1976-04-13 1979-07-25 Schroeder Herbert Maschine zum abteilen von teigstuecken
DE3247621A1 (de) * 1982-12-23 1984-07-12 Kemper, Kate, Küsnacht, Zürich Vorrichtung zum portionieren von teig fuer broetchen oder kleinbrote
WO2007001175A1 (fr) * 2005-06-29 2007-01-04 Werner & Pfleiderer-Haton B. V. Dispositif pour mesurer une pâte et système de commande pour contrôler le dispositif
AT513308A1 (de) * 2012-09-13 2014-03-15 Koenig Maschinen Gmbh Auswiegeanordnung zum Verschieben von Teigportionen
EP2901860A1 (fr) * 2014-01-28 2015-08-05 WP Kemper GmbH Diviseuse pour pâtes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT383472B (de) * 1979-04-14 1987-07-10 Kemper Kate Vorrichtung zum gleichmaessigen portionieren von teig
DE3119783A1 (de) * 1981-05-19 1982-12-16 Edmund Schröder Maschinenfabrik GmbH & Co KG, 8623 Staffelstein "foerderkolbenantrieb einer teigportioniervorrichtung"

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT351480B (de) * 1976-04-13 1979-07-25 Schroeder Herbert Maschine zum abteilen von teigstuecken
DE3247621A1 (de) * 1982-12-23 1984-07-12 Kemper, Kate, Küsnacht, Zürich Vorrichtung zum portionieren von teig fuer broetchen oder kleinbrote
WO2007001175A1 (fr) * 2005-06-29 2007-01-04 Werner & Pfleiderer-Haton B. V. Dispositif pour mesurer une pâte et système de commande pour contrôler le dispositif
AT513308A1 (de) * 2012-09-13 2014-03-15 Koenig Maschinen Gmbh Auswiegeanordnung zum Verschieben von Teigportionen
EP2901860A1 (fr) * 2014-01-28 2015-08-05 WP Kemper GmbH Diviseuse pour pâtes

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT521634A1 (de) * 2018-09-11 2020-03-15 Koenig Maschinen Gmbh Druckgesteuerte Rundwirkeinrichtung für Teigbandanlagen
WO2020051613A1 (fr) * 2018-09-11 2020-03-19 König Maschinen Gesellschaft M.B.H. Dispositif de tressage circulaire de pâte commandé en pression
AT521634B1 (de) * 2018-09-11 2021-08-15 Koenig Maschinen Gmbh Druckgesteuerte Rundwirkeinrichtung für Teigbandanlagen
US20220039400A1 (en) * 2018-09-11 2022-02-10 König Maschinen Gesellschaft M.B.H. Pressure-Controlled Dough-Rounding Device

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Publication number Publication date
AT519198A1 (de) 2018-04-15

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