EP2552222A1 - Rouleau à alvéoles à bord de coupe renforcé - Google Patents

Rouleau à alvéoles à bord de coupe renforcé

Info

Publication number
EP2552222A1
EP2552222A1 EP11711325A EP11711325A EP2552222A1 EP 2552222 A1 EP2552222 A1 EP 2552222A1 EP 11711325 A EP11711325 A EP 11711325A EP 11711325 A EP11711325 A EP 11711325A EP 2552222 A1 EP2552222 A1 EP 2552222A1
Authority
EP
European Patent Office
Prior art keywords
cell roller
cell
dough
blade
reinforcing strip
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Withdrawn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
EP11711325A
Other languages
German (de)
English (en)
Inventor
Robert Sauseng
Eduard Rauch
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 EP2552222A1 publication Critical patent/EP2552222A1/fr
Withdrawn legal-status Critical Current

Links

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
    • A21C5/003—Dough-dividing machines with revolving bodies, e.g. with bodies having spaces separated by radially oriented elements or walls

Definitions

  • the invention relates to a cell roller for portioning dough, comprising a plurality of radially extending from a central axis of rotation of the conveying blades with a blade surface of a dough-repellent plastic defining mutually outwardly open Portionierhuntn.
  • Cell roller portioning devices have long been used for dividing viscous media, such as pre-portioning doughs or dough ingredients. Most cell rollers are used, which are made of metal in welded design or made of Aluminiumgus steep or extruded aluminum.
  • DE 28 19 512 AI shows, for example, a portioning of dough with a hopper in which a plurality of feed rollers are arranged for the dough.
  • a hopper in which a plurality of feed rollers are arranged for the dough.
  • star rollers cell rollers with horizontal axes whose drive is influenced by a dough amount in the chamber monitoring sensor.
  • a disadvantage of these embodiments is that the dough-contacted parts or walls of the cell rollers are made of metal. With such cell rollers made of metal, however, no satisfactory detachment effect of the dough is achieved and undesired adherence of dough to the cell rollers can not be avoided. Disadvantageously, the cell rollers must be very often cleaned of adhering dough. A trouble-free and thus cost-effective operation of such Teigteilvoroplastyen is therefore usually not possible when using metal rollers made of metal. In addition, due to the adhering to the cell rollers dough residues a reliable, accurate portioning of the dough is impaired, which represents a further disadvantage of these designs.
  • the dough-contacted surfaces of the cell rollers are usually provided with a dough-repellent coating made of plastic, for example Teflon (polytetrafluoroethylene, PTFE short) or Rilsan (ethylene-chlorotrifluoroethylene fluorocopolymer, ECTFE for short) ,
  • the conveyor walls of the star rollers consist of stainless steel sheet, in which a pattern is embossed and which either form the dough-contacting conveying surfaces themselves or are coated with a dough-repellent plastic, for example Teflon.
  • the star rollers each have unprofiled marginal edges at the free ends of each star arm.
  • the star rollers may also be made entirely of solid or hollow plastic material.
  • Star rollers which are made entirely of plastic or in which all dough-contacting components are made of plastic, offer a certain advantage due to their dough-resistant adhesive behavior.
  • their marginal edges made of plastic are not stable enough to withstand the processing of grain doughs or doughs with fruits, such as nuts, raisins, cranberries, etc. withstand.
  • plastic coated cell rollers are insufficiently protected against abrasive wear caused by particulate matter, for example by grains, pieces of nuts, dried fruits or raisins, which may be present in dough mixtures.
  • base bodies made of non-ferrous metals are preferably used to produce cell rollers with a dough-repellent surface.
  • coated cell rollers in particular for use in the food industry, particular attention must be paid to the fact that their coating is made abrasion-resistant.
  • CH 538 549 specifies a production method for applying wear protection layers made of plastic or layers with fillers of metallic or ceramic materials on exposed component edges of a plastic component.
  • the wear protection layer is applied by means of flame spraying onto an intermediate layer.
  • This intermediate layer must absorb the thermal effects of the wear protection layers applied at temperatures of more than 300 ° C, and is imperative to prevent damage to the underlying plastic component during the coating process.
  • a wear protection layer is here applied to the fiber-reinforced base body of the plastic roller by means of a thermal spraying process.
  • the wear protection layer consists of a firmly adhering to the base body resin matrix, such as an epoxy resin, which is provided with a wear-resistant filler, such as an aluminum oxide.
  • a metal layer which also is applied by means of a thermal spraying process on a surface of an intermediate layer.
  • the metal layer containing chromium or nickel, for example, can be further coated by electrolytic coating.
  • ceramic wear protection surfaces which are used for example for sealing surfaces of pressurized rotary valves for metering bulk material, is not suitable for processing high-viscosity media such as dough. Dough adhere strongly to ceramic materials.
  • a cell roller according to the invention for portioning dough comprising a plurality of radially extending from a central axis of rotation conveyor blades with a blade surface of a dough-repellent plastic, which define between each other outwardly Portionierhuntn, the conveying blades at their free blade end in each case with a reinforcing strip provided an abrasion-resistant material.
  • each bucket is continuously provided over the entire length of its free end of the bucket with a continuous reinforcing bar.
  • dough-repellent plastic materials for example, polyethylene (PE), polyoxymethylene (POM) or polypropylene (PP) are suitable. These plastics are characterized by their high density and absorb hardly any moisture.
  • the reinforcing bars respectively over the free blade end of each bucket in the radial direction by a distance of 0.1 to 25 mm, preferably from 0.5 to 5 mm, forth.
  • each reinforcing strip has a longitudinally extending fastening profile.
  • reinforcing bars can be used with fastening profiles in T-shape, circular shape or dovetail shape.
  • fastening profiles are used for the positive and / or cohesive attachment to the conveyor blades. Due to the fastening profiles we ensure a particularly secure hold of the reinforcing strips on the conveyor blades.
  • a cell roller with reinforcing strips which each have a fastening profile with fastening hooks provided.
  • Reinforcement strips with fastening hooks offer the advantage that the fastening hooks can be hooked or hammered into the plastic material of the conveying blades and thus a particularly wear-resistant, form-fitting connection is achieved by the reinforcing strips with the conveying blades.
  • the reinforcing strips are each provided with a fastening profile with recesses.
  • Reinforcing bars which are provided with recesses, are particularly suitable when using an injection molding process for producing a cell roller according to the invention.
  • the injection molding material is encapsulated by the recesses of the reinforcing strips.
  • a particularly secure connection of the reinforcing bars is achieved with the surrounding plastic material of the conveyor blades.
  • Reinforcement strips with recesses also offer advantages for example, a cohesive connection with the surrounding plastic material.
  • An adhesive which ensures a secure connection with the reinforcing strip, passes through the recesses of the reinforcing strip on both side surfaces and thus ensures a secure fit.
  • the reinforcing strips along their free longitudinal edges are each provided with a cutting edge.
  • This variant of the invention provides in particular at Teigportioniervorraumen, in which, for example, two fiction, contemporary cell rollers are arranged parallel to each other and in opposite directions, the advantage that the individual dough portions are cut particularly accurately from a dough strand.
  • the cutting edges on the front, free longitudinal edges of the reinforcing strips can have different cut shapes.
  • each reinforcing strip is particularly advantageously received in the longitudinal direction in a longitudinal groove at the free end of each conveying blade.
  • a reinforcing strip is fastened particularly securely at the front, free end of a conveying blade.
  • each reinforcing strip is fastened in a conclusive and / or form-fitting manner respectively in the longitudinal groove.
  • the longitudinal groove should be provided with a profile profile corresponding to the respective reinforcing strip, accurately fitting groove profile.
  • a releasable connection for example, has a longitudinal groove which is provided for receiving a reinforcing strip with a T-shaped fastening profile, also a corresponding T-shaped groove profile.
  • a reinforcing strip can be fastened, for example, by insertion into the longitudinal groove and, if necessary, also removed again for replacement from the longitudinal groove.
  • T-shaped fastening profiles as well as the use of reinforcing bars and each corresponding longitudinal grooves, for example in a circular shape, in dovetail shape or as a multi-profile is also possible. All other design forms of a fastening profile, which ensures a positive connection of the reinforcing strip with a longitudinal groove, are conceivable.
  • reinforcing strips may be provided, for example, with fastening hooks, which are hammered or pressed into specially provided recesses within the longitudinal groove.
  • the attachment hooks lead to a deformation of the plastic material in the region of the recesses during insertion, and thus a positive connection of the reinforcing strips with the delivery blades is achieved.
  • such reinforcing bars with fastening hooks can usually only be separated from the conveying blades by damaging the plastic.
  • the reinforcing strips are made of metal, preferably made of a stainless metal.
  • Reinforcement strips made of metal have the advantage of being particularly resistant to abrasion. Furthermore, the free longitudinal edges of such strips of metal can be particularly easily provided with a cutting edge.
  • the portioning chambers are arranged in the circumferential direction of the cell roller in a uniform pitch.
  • the conveying blades are provided at least in sections on their blade surface with a pattern of elevations and / or depressions.
  • a pattern on the blade surface By a pattern on the blade surface, the dough-contacted surface is further reduced and thus improves the detachment behavior of the dough. An undesirable adhesion of the dough to the blade surface is thus prevented.
  • a pattern can be formed, for example, by linear or web-shaped elevations and / or depressions, by prismatic or hemispherical elevations and / or depressions, or by knob-like elevations.
  • a dough-contacting surface formed by the protrusions and / or depressions corresponds to from 10 to 90%, preferably from 15 to 80%, of the blade surface.
  • Such structured patterns on the blade surface further offer the advantage that the structured blade surface baking release or separating oils, which are often referred to as cutting oils, adhere better to the blade surface and thereby the separation between the plastic material and the dough very easily and without adhering dough residues is possible.
  • the structured blade surface baking release or separating oils which are often referred to as cutting oils
  • adhere better to the blade surface and thereby the separation between the plastic material and the dough very easily and without adhering dough residues is possible.
  • volumetrically sealed depressions as is the case, for example, with a blade surface provided with a waffle pattern or with a hemispherical depression.
  • air cushions are formed between the dough and the blade surface of the cell roller. The air cushion also reduces the dough contact area further.
  • the plastic is equipped antibacterial in a cell roller.
  • the reinforcing strips are integrated in a one-piece plastic body in a cell roller.
  • Reinforcing strips can be integrated into a one-piece base body, for example by a shaping process, such as by milling in longitudinal grooves and then attaching the reinforcing strips in the longitudinal grooves, or by an injection molding process.
  • the reinforcing strips are encapsulated with plastic up to a distance of their free longitudinal edge.
  • the reinforcing strips are inserted or positioned, for example, in a divisible prototype, and then encapsulated in plastic. It should be noted that the plastic surrounds the reinforcement strips only up to a defined distance from the free longitudinal edge.
  • the reinforcing strips are connected to a central carrier body, for example by welding or in one piece.
  • the invention comprises various embodiments of a generic cell roller.
  • cell rollers may be provided with a carrier body to which the reinforcing bars are attached thereto, for example by welding.
  • a carrier body may also be integrally formed so that the reinforcing strips are part of the carrier body. This is achieved, for example, with a carrier body having a central tube section, on which radially star-shaped reinforcing bars are arranged extending from a central axis of rotation.
  • Such a carrier body is preferably made of metal, in particular of a hardened metal. Further features of the invention will become apparent from the following description of exemplary embodiments and with reference to the drawings.
  • FIG. 1 shows a first embodiment of a cell roller according to the invention in an oblique view.
  • FIG. 2.1 is an exploded view in oblique detail a detail of a reinforcing strip
  • FIG. 2.2 shows in a profile view the reinforcing strip shown in FIG. 2.1 fixed in the installed state in a longitudinal groove of a conveying blade
  • FIG. 4 shows in an exploded view a further embodiment of a reinforcing strip provided with a fastening profile
  • FIG. 5 shows a sectional view of a detail of the reinforcing strip known from FIG. 4;
  • Fig. 6 in an oblique view a partial section through a casting process by means of an injection-molded reinforcing strip and the adjacent conveyor schaufei;
  • Fig. 7 in an oblique view partly cut free another embodiment of a cell roller according to the invention with a central carrier body, which is encapsulated in plastic;
  • Fig. 8.1, Fig. 8.2 and Fig. 8.4 each in an oblique view details of provided with different patterns surfaces of the conveyor blades;
  • Fig. 8.3 is a sectional view of a corresponding with a Fig. 8.2 pattern provided conveyor schaufei;
  • Fig. 8.5 is a sectional view of a provided with a Fig. 8.4 corresponding pattern conveyor schaufei.
  • Fig. L shows in an isometric oblique view, a first embodiment of a cell roller 1 according to the invention movably mounted about a rotation axis 2 in the direction of rotation 3, for example, parallel and opposite to an identical second, not shown cell roller is arranged in a Teigportioniervorraum also not shown.
  • the portioning chambers 4 are bounded in the axial direction by radially arranged conveying blades 10. At the free ends 11 of the conveyor blades 10, longitudinal grooves 12 are milled into a main body 6 forming the conveyor blades 10.
  • the one-piece base body 6 consists here of a plastic material 13 which is dough-resistant, antibacterial and wear-resistant.
  • the blade surfaces 14 of the conveyor blades 10 are provided with a pattern 15 which is formed by elevations 16 or depressions 17.
  • the recesses 17 are in the embodiment shown here in each case designed as approximately hemispherical depressions 17.
  • air bubbles are formed which advantageously reduce the dough contact surface. An undesirable adhesion of dough to the arranged between the recesses 17 web-like elevations 16 is thus reliably avoided.
  • the longitudinal grooves 12 at the free ends 11 of the conveyor blades 10 are used for fastening reinforcing strips 20, which are made of a wear-resistant material, such as stainless steel, positively inserted into the recesses 12.
  • Fig. 2.1 and Fig. 2.2 each show detailed views of the same embodiment of a reinforcing strip 20, which is fastened as an elongated strip of metal 27 in an approximately linear longitudinal groove 12 of a conveyor blade 10.
  • Fig. 2.1 shows the reinforcing strip 20 and the conveyor blade 10 in an exploded view in oblique.
  • Fig. 2.2 illustrates the reinforcing strip 20 shown in Fig. 2.1 in the installed state in the longitudinal groove 12 of the bucket 10 is fixed.
  • the reinforcing strip 20 is fastened along its first longitudinal edge 21 in the longitudinal groove 12 of the bucket 10, for example, with an adhesive material 28 conclusive.
  • the second longitudinal edge 22 of the reinforcing strip 20 forms its free end and protrudes by a distance 23 in the radial direction over the free blade end 11 of the conveyor blade 10.
  • Figures 3.1 to 3.4 each show in the oblique view in exploded view different design variants fiction, moderate reinforcing bars.
  • Fig. 3.1 illustrates a reinforcing strip 20.1, which is provided in the longitudinal direction with a mounting portion 24 with a mounting profile 25.
  • the fastening profile 25 is designed here as a dovetail profile 25.1.
  • the conveyor blade 10.1 is provided with a corresponding longitudinal groove 12 for the positive reception of the reinforcing strip 20.1.
  • Fig. 3.2 shows a reinforcing strip 20.2, which is equipped in the longitudinal direction with a mounting portion 24 with a T-shaped mounting profile 25.2.
  • the conveyor blade 10.2 is equipped with a longitudinal groove 12 with a corresponding cross-section for the positive reception of the reinforcing strip 20.2.
  • FIG. 3.3 shows a reinforcing strip 20.3 with a fastening section 24 along the longitudinal edge 21, which has an elliptical fastening profile 25.3.
  • the conveyor blade 10.3 in turn has a longitudinal groove 12 with a corresponding recess for the positive reception of the reinforcing strip 20.3.
  • FIG. 3.4 illustrates a reinforcing strip 20.4 with a multi-form fastening profile 25.4 with several notches along both longitudinal sides of its fastening section 24.
  • the conveying blade 10.4 is provided with a longitudinal groove 12 for the form-fitting, accurately fitting reception of the reinforcing strip 20.4.
  • Fig. 4 shows a further embodiment of a reinforced front edge of a conveying blade 10.5 in an oblique view in an exploded view.
  • Fig. 5 illustrates the known from Fig. 4 embodiment of the same bucket 10.5 in longitudinal section and a reinforcing strip 20.5 in elevation.
  • the reinforcing strip 20.5 is here provided with a fastening profile 25 with a plurality of spaced, wedge-shaped hooks 25.5, which are inserted into the correspondingly arranged recesses 12.1 within the longitudinal groove 12.
  • the reinforcing strip 20.5 is, in order to achieve a frictional attachment, for example, in the longitudinal groove 12 is tapped. Due to the wedge-shaped hooks 25.5 made of metal, however, the recesses 12.1 of the conveyor blade 10.5 made of plastic 13 are deformed during insertion inside the longitudinal groove 12. In this embodiment, the reinforcing strip 20.5 can not be opened or replaced after attaching or after producing the positive connection.
  • FIG. 6 shows in a partial sectional view a detail of a free blade end 11 of a conveying blade 10 provided with a reinforcing strip 20.6.
  • the reinforcing strip 20.6 is connected to the conveying blade 10 made of plastic 13, for example by means of an injection molding process.
  • the reinforcing strip 20.6 is provided with a fastening profile with numerous hole-shaped recesses 25.6, whereby a particularly secure, positive fastening of the reinforcing strip 20 is achieved during encapsulation with plastic 13, which forms the blade surface 14 of the bucket 10.
  • a reinforcing strip 20.6 can also be used for the integral connection with a delivery blade 10, which is provided with a milled longitudinal groove 12.
  • the fastening profile with hole-shaped recesses 25.6 improves the distribution of an adhesive used, for example.
  • the adhesive can be particularly easily distributed within the recesses 25.6 along the adhesive surfaces between the walls of the longitudinal groove 12 and the reinforcing strip 20.6. This attachment variant is not shown in the figures.
  • FIG. 7 shows a further embodiment of a cell roller 1.1 according to the invention, which has a central carrier body 7 made of metal 27.
  • the central support body 7 is here essentially formed of a cylindrical tubular body, on the outer sides in a uniform division radially extending three reinforcing strips 20.7 are fixed by welding.
  • the reinforcing strips 20.7 each have a fastening profile with a plurality of slot-shaped recesses 25.7, which are overmolded to a distance 23 from the front free longitudinal edge 22 away with plastic 13.
  • cell rollers for example, have a different, differing from three number of Portionierhuntn or where the Portionierhuntn are arranged in the circumferential direction of the cell roller not in a uniform pitch, but in each different pitch angles are included in the invention.
  • Fig. 8.1 to 8.5 relate to different design forms of dough-repellent surfaces 14 of conveyor blades 10th
  • Fig. 8.1 shows an oblique view of a detail of a conveyor blade 10, the surface 14 is designed with a prism or waffle-like pattern 15.1.
  • Fig. 8.2 also shows in an oblique view a detail of a conveyor blade 10, the surface 14 is provided with a dough-repellent pattern 15.2 with longitudinal grooves.
  • This pattern 15.2 is shown in profile in a greatly simplified view also in Fig. 8.3.
  • a dough T which is captured and transported by the blade surface 14, thereby contacts the conveying blade 10 only on a dough-contacting surface 18, which is essentially formed by the linear elevations 16.
  • the dough-contacting surface 18 is greatly reduced by the elevations 16 in comparison to a conveying blade 10 with a smooth blade surface 14.
  • FIG. 8.4 shows, in a perspective view, in a detail view, a blade surface 14 provided with a pattern 15.3 with approximately hemispherical depressions 17.
  • FIG. 8.5 shows in a sectional view a highly schematic detail of the view of FIG. 8.4, showing a dough T contacting the blade surface 14 of the conveyor blade 10 only along the web-shaped elevations 16, which together form the dough-contacting surface 18.
  • the dough-contacting surface 18 thus essentially corresponds to the blade surface 14 minus the total area of all approximately hemispherical depressions 17. List of position signs:

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 rouleau à alvéoles (1, 1.1) pour diviser de la pâte (T) en portions, comprenant plusieurs pales de transport (10) qui s'étendent radialement à partir d'un axe de rotation (2), ont une surface (14) en plastique (13) repoussant la pâte et définissent entre elles des chambres de division en portions (4) ouvertes vers l'extérieur, chaque pale de transport (10) étant pourvue à son extrémité libre (11) d'une barrette de renforcement (20) en un matériau résistant à l'usure.
EP11711325A 2010-04-01 2011-03-28 Rouleau à alvéoles à bord de coupe renforcé Withdrawn EP2552222A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0052410A AT509665A1 (de) 2010-04-01 2010-04-01 Zellenwalze mit verstärkter schneidkante
PCT/EP2011/054756 WO2011120936A1 (fr) 2010-04-01 2011-03-28 Rouleau à alvéoles à bord de coupe renforcé

Publications (1)

Publication Number Publication Date
EP2552222A1 true EP2552222A1 (fr) 2013-02-06

Family

ID=44211861

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11711325A Withdrawn EP2552222A1 (fr) 2010-04-01 2011-03-28 Rouleau à alvéoles à bord de coupe renforcé

Country Status (4)

Country Link
US (1) US20130022700A1 (fr)
EP (1) EP2552222A1 (fr)
AT (1) AT509665A1 (fr)
WO (1) WO2011120936A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102016218485A1 (de) 2016-09-27 2018-03-29 Werner & Pfleiderer Lebensmitteltechnik Gmbh Kammertrommel für eine Teig-Wirkvorrichtung
FR3070277B1 (fr) * 2017-08-23 2019-09-13 Commissariat A L'energie Atomique Et Aux Energies Alternatives Element structure revetu de maniere differenciee et servant de support a l'ecoulement de plusieurs fluides
CN111683885B (zh) * 2018-02-06 2022-06-03 申克普若赛斯欧洲有限公司 用于将密封件紧固到旋转给料机的转子叶片的系统
DE102022113971A1 (de) 2022-06-02 2023-12-07 Fritsch Bakery Technologies GmbH & Co. KG Portionierwalze für eine Teigportioniervorrichtung
DE102022113969A1 (de) 2022-06-02 2023-12-07 Fritsch Bakery Technologies GmbH & Co. KG Portionierwalzenanordnung zum Erzeugen von Teigportionen
DE102022120436B4 (de) * 2022-08-12 2026-03-05 Fritsch Bakery Technologies GmbH & Co. KG Portionierwalze, Teigportioniervorrichtung und Verfahren

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Also Published As

Publication number Publication date
AT509665A1 (de) 2011-10-15
WO2011120936A1 (fr) 2011-10-06
US20130022700A1 (en) 2013-01-24

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