WO2021175358A1 - Installation for conveying and folding a wafer sheet - Google Patents

Installation for conveying and folding a wafer sheet Download PDF

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Publication number
WO2021175358A1
WO2021175358A1 PCT/DE2021/100054 DE2021100054W WO2021175358A1 WO 2021175358 A1 WO2021175358 A1 WO 2021175358A1 DE 2021100054 W DE2021100054 W DE 2021100054W WO 2021175358 A1 WO2021175358 A1 WO 2021175358A1
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WO
WIPO (PCT)
Prior art keywords
wafer sheet
conveyor
conveyor system
conveying
plane
Prior art date
Application number
PCT/DE2021/100054
Other languages
German (de)
French (fr)
Inventor
Ingo Wirtz
Benjamin Stoffers
Tom Hansen
Dieter Kempass
Original Assignee
Walterwerk Kiel Gmbh & Co. Kg
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 Walterwerk Kiel Gmbh & Co. Kg filed Critical Walterwerk Kiel Gmbh & Co. Kg
Priority to CN202180018789.1A priority Critical patent/CN115209740B/en
Priority to ES202290063A priority patent/ES2926098B2/en
Publication of WO2021175358A1 publication Critical patent/WO2021175358A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/10—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface
    • B65G15/12—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface with two or more endless belts
    • B65G15/14—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface with two or more endless belts the load being conveyed between the belts
    • B65G15/16—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface with two or more endless belts the load being conveyed between the belts between an auxiliary belt and a main belt
    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21C—MACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH
    • A21C15/00—Apparatus for handling baked articles
    • A21C15/02—Apparatus for shaping or moulding baked wafers; Making multi-layer wafer sheets
    • A21C15/025—Apparatus for shaping or moulding baked wafers, e.g. to obtain cones for ice cream

Definitions

  • the invention relates to a conveyor system with a conveyor device forming a conveyor path for conveying a wafer sheet.
  • the invention relates to a conveyor system for wafer sheets which - for example in the context of a baking system - is used in the production of sweet waffles, specially rolled ice cream cones.
  • Conveyor systems for conveying baked goods, namely rolls, are known, for example, from DE 202006003 637 Ul, with special conveyor systems for conveying wafer sheets being known from EP 2 884 845 B1.
  • Conveyor systems of this type operate cyclically, the wafer sheet being fed to a folding device integrated in the conveyor system, which lifts the edge section of the wafer sheet by means of a folding mechanism and folds it onto the section remaining in the plane of the wafer sheet. So that the folded edge section remains on the rest of the wafer sheet, this edge section must also be pressed with a pressure roller against the section of the wafer sheet that has remained in the plane before the wafer sheet processed in this way can be transported further and, for example, processed into a rolled ice cream cone.
  • the disadvantage of such systems is that the intermittent operation is not suitable for high production speeds and limits the productivity of the baking system as a whole.
  • pressing the edge section onto the wafer sheet section remaining in the plane of the wafer sheet by means of a pressure roller does not lead to satisfactory production results.
  • the thickness of the wafer sheet is reduced during the pressing of the folded-over edge section in relation to the non-processed area of the wafer sheet.
  • the object of the invention is therefore to create a conveyor system for the production of wafer sheets, in which an edge section is to be turned over for further processing of the wafer sheet, which enables a high production speed with little expenditure on equipment.
  • the basic idea of the invention is to integrate the apparatus structures necessary for turning over the edge area of a flat wafer sheet in a conveying path in such a way that the wafer sheet can be processed during the transport process without the conveyance having to be interrupted.
  • the use of the passively acting chicane can increase the production speed, while at the same time the outlay on equipment and the associated maintenance outlay are reduced.
  • a conveyor system with a conveyor device forming a conveyor line for conveying a wafer sheet in which a chicane engaging in the conveyor line with an inlet for receiving an edge section of the wafer sheet, one that lifts the edge section out of the plane of the wafer sheet and above the one in the plane rest of the wafer sheet section in the direction of the opposite edge of the restrained guide and the folded edge section of the wafer sheet resting on the wafer sheet section remaining in the plane outlet is provided.
  • the chicane engages in the conveying path in such a way that the edge section of the wafer sheet opposite a section remaining in the plane of the wafer sheet is forced to execute a movement that moves the edge of the edge section above the wafer sheet plane and in the direction of that opposite the edge section in the plane Edge section leads.
  • the turned-over edge section is placed against the section of the wafer sheet that has remained in the plane and, in particular, is pressed on. Due to the use of the chicane, a sharp-edged turning of the Edge portion of the wafer sheet possible that can not be reached with a folding device.
  • the forced guidance preferably has a curved path extending transversely to the conveying path and winding in the vertical direction by 180 °.
  • the chicane has a support, which extends from the opposite edge of the wafer sheet section remaining in the plane and is spaced above the conveying path, to support the folded edge section of the wafer sheet.
  • This preferred embodiment creates a channel in the chicane which preferably corresponds to the thickness of the wafer sheet and causes the edge section to be folded over in a precisely positioned manner.
  • the outlet has a wall which is arranged above the conveying path and whose distance from the conveying path is less than twice the layer thickness of the wafer sheet to be transported. This configuration ensures that the folded edge section is pressed in a defined manner against the section remaining in the plane of the wafer sheet without a pressure roller having to actively exert pressure on the folded edge section.
  • the conveying device of the conveyor system is preferably designed as a belt conveyor.
  • the belt or belts preferably run in a table serving as a support surface for the wafer sheet to be transported.
  • at least two conveyor belts that are arranged one above the other and driven in opposite directions are provided, the distance between which - at least in some areas - is less than the layer thickness of the wafer sheet to be transported. The wafer sheet is clamped between these belts and gently transported with the belt.
  • the conveyor system has rollers that guide the conveyor belts of the belt conveyor and whose horizontal distance from one another is less than the diameter of the wafer sheet to be transported.
  • This configuration enables the exertion of a uniform force which acts on the respective wafer sheet and causes the transport.
  • at least two first rollers arranged transversely to the conveying direction and at least two second rollers arranged transversely to the conveying direction are provided, which, viewed in the conveying direction, are arranged one after the other, the first and second rollers being arranged on an imaginary area that is smaller than the area of the is to be transported wafer sheet. This ensures that four rolls are always in contact with the wafer sheet to be transported.
  • rollers of the lower conveyor belt and the rollers of the upper conveyor belt are arranged alternately as seen in the conveying direction.
  • the conveyor system designed according to the invention is specifically provided for circular wafer sheets that are to be processed further into rolled ice cream cones.
  • the conveyor system is also suitable for other forms of wafer sheets in which it is necessary to knock an edge section onto a wafer sheet section remaining in the plane of the wafer sheet.
  • FIG. 1 shows a schematic plan view of a particularly preferred embodiment of a conveyor system according to the invention
  • FIG. 2 is a perspective view of the conveyor system from FIG. 1 from above;
  • FIG. 3 shows a perspective view of the conveyor system from FIG. 1 from below;
  • FIG. 4 shows a particularly preferably configured chicane according to the invention in a front view from the side of the inlet (a), a side view from the side of the conveyor line of the conveyor system (b), a rear view from the side of the outlet (c), a plan view (d), a perspective view from the side of the outlet (e) and a perspective view from the side of the inlet (f).
  • FIG. 1 shows a schematic plan view of a particularly preferred embodiment of a conveyor system according to the invention.
  • Fig. 1 shows a conveyor system 10 with a conveyor 20 forming a conveyor path for conveying a wafer sheet 30.
  • the conveyor 20 is designed as a belt conveyor, which has a plurality of conveyor belts 22 arranged parallel to one another and one above the other, which are located above and within a
  • the wafer sheets 30 are arranged on the table 26 supporting the wafer sheets 30.
  • the conveyor belts 22 are guided on rollers 24 arranged above, below and within the table.
  • a baffle 40 engaging in the conveyor path which has an inlet 42 for receiving an edge section 32 (indicated by the dashed line) of the wafer sheet shown on the right 30 and outlet 46 for dispensing the processed wafer sheet 30 '.
  • a positive guide 44 is provided which lifts the edge section 32 out of the plane of the wafer sheet 30 and turns over the wafer sheet section 34 remaining in the plane in the direction of its opposite edge, so that the wafer sheet 30 is received unprocessed by the inlet 42 and the folded-over edge section 32 of the wafer sheet 30, placed on the wafer sheet section 34 remaining in the plane, leaves the outlet 46.
  • Fig. 1 it can be clearly seen that the unprocessed wafer sheet 30 at the beginning of the conveying path before passing through the chicane 40 has a total of circular surface, the surface of the wafer sheet 30 'after the passage assumes the shape of a circle around a segment of a circle appears to be diminished.
  • the processed wafer sheet 30 ′ actually appears cut off in plan view because the edge section 32 of the wafer sheet 30 has been turned over by the chicane 40 and placed on the wafer sheet section 34 remaining in the plane.
  • FIG. 2 shows a perspective view of the conveyor system from FIG. 1 from above, whereby it can be seen that the belt conveyor 20 per lane has two superposed, Conveyor belts 22 driven in opposite directions, whose distance from one another is less than the layer thickness of the wafer sheet 30, 30 'to be transported. With this configuration, the wafers 30, 30 'can be transported gently.
  • the conveyor belts 22 are driven by a common drive 28.
  • rollers 24 guiding the conveyor belts 22 of the belt conveyor 20 have a horizontal distance from one another which is less than the diameter of the wafer sheet 30, 30 ′ to be transported.
  • two first rollers 24 arranged transversely to the conveying direction and two second rollers 24 each transverse to the conveying direction are provided, which are arranged one after the other as seen in the conveying direction, the first and second rollers 24 being arranged on an imaginary area that is smaller than the Area of the wafer sheet 30, 30 'to be transported. This configuration enables the wafer sheet 30, 30 'to be transported in a particularly gentle manner.
  • FIG 3 shows a perspective view of the conveyor system 10 from below, wherein the rollers 24 reaching through the table and guiding the conveyor belt 22 on the upper side of the table 26 can be seen.
  • Fig. 4 shows a particularly preferably designed chicane according to the invention in a front view from the side of the inlet (a), a side view from the side of the conveyor line of the conveyor system (b), a rear view from the side of the outlet (c), a top view (d ), a perspective view from the side of the outlet (e) and a perspective view from the side of the inlet (f).
  • the chicane 40 has an inlet 42 for receiving the edge section 32 of the wafer sheet 30, a forced guide 44 which lifts the edge section 32 out of the plane of the wafer sheet 30 and turns over the wafer sheet section 34 remaining in the plane in the direction of its opposite edge, and an edge section 32 that is turned over of the wafer sheet 30 on the wafer sheet section 34 resting in the plane.
  • the forced guide 44 arranged between inlet 42 and outlet 46 is designed as a curved path that engages laterally in the conveying path and winds through 180 ° in the vertical direction.
  • the chicane 40 has an above the conveying path extending from the opposite edge of the wafer sheet section 32 remaining in the plane into the forced guide 44 to this spaced-apart support 48 for mounting the folded edge section 32 of the wafer sheet 30 within the chicane 40.
  • the outlet 46 of the chicane 40 is finally formed with a wall arranged above the conveying path, the distance of which from the table 26 of the conveying path is less than twice the layer thickness of the wafer sheet 30 to be transported.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

The invention relates to a conveying installation (10) comprising a conveying device (20) which forms a conveying path for conveying a wafer sheet (30), characterised by: a baffle (40) which engages in the conveying path and has an inlet (42) for receiving an edge portion (32) of the wafer sheet (30); a forced guidance means (44) which lifts the edge portion (32) out of the plane of the wafer sheet (30) and folds it over in the direction of the opposite edge thereof above the wafer sheet portion (34) remaining in the plane; and an outlet (46) which places the folded-over edge portion of the wafer sheet (30) on the wafer sheet portion (34) remaining in the plane.

Description

ANLAGE ZUM FORDERN UND FALTEN EINES WAFFELBLATTS PLANT FOR DEMANDING AND FOLDING A WAFFLE SHEET
Die Erfindung betrifft eine Förderanlage mit einer eine Förderstrecke ausbildenden Fördereinrichtung zum Fördern eines Waffelblatts. Insbesondere betrifft die Erfindung eine Förderanlage für Waffelblätter, die - beispielsweise im Rahmen einer Backanlage - bei der Fertigung von Süßwaffeln, speziell gerollten Eiswaffel tüten Verwendung findet. The invention relates to a conveyor system with a conveyor device forming a conveyor path for conveying a wafer sheet. In particular, the invention relates to a conveyor system for wafer sheets which - for example in the context of a baking system - is used in the production of sweet waffles, specially rolled ice cream cones.
Förderanlagen zum Fördern von Backware, nämlich Brötchen, sind beispielsweise aus der DE 202006003 637 Ul bekannt, wobei spezielle Förderanlagen zum Fördern von Waffelblättern aus der EP 2 884 845 Bl bekannt sind. Conveyor systems for conveying baked goods, namely rolls, are known, for example, from DE 202006003 637 Ul, with special conveyor systems for conveying wafer sheets being known from EP 2 884 845 B1.
In einigen Fällen ist es zur Verarbeitung von Waffelblättem notwendig, einen Randabschnitt des Waffelblatts umzuschlagen und mittels einer Andruckrolle am Waffelblatt anzudrücken bevor diese weiterverarbeitet werden. Derartige, aus offenkundiger Vorbenutzung bekannte Förderanlagen arbeiten im Taktbetrieb, wobei das Waffelblatt einer in der Förderanlage integrierten Klappvorrichtung zugeführt wird, die den Randabschnitt des Waffelblatt mittels eines Klappmechanismus anhebt und auf den in der Ebene des Waffelblatts verbliebenen Abschnitt klappt. Damit der umgeklappte Randabschnitt auf dem übrigen Waffelblatt verbleibt, muss dieser Randabschnitt zusätzlich mit einer Andruckrolle an den in der Ebene verbliebenen Abschnitt des Waffelblatts angedrückt werden bevor das derart bearbeitete Waffelblatt weitertransportiert und beispielsweise einer Verarbeitung zu einer gerollten Eiswaffel unterzogen werden kann. In some cases, to process wafer sheets, it is necessary to fold over an edge section of the wafer sheet and press it against the wafer sheet by means of a pressure roller before these are further processed. Conveyor systems of this type, known from prior public use, operate cyclically, the wafer sheet being fed to a folding device integrated in the conveyor system, which lifts the edge section of the wafer sheet by means of a folding mechanism and folds it onto the section remaining in the plane of the wafer sheet. So that the folded edge section remains on the rest of the wafer sheet, this edge section must also be pressed with a pressure roller against the section of the wafer sheet that has remained in the plane before the wafer sheet processed in this way can be transported further and, for example, processed into a rolled ice cream cone.
Der Nachteil an derartigen Anlagen ist, dass der taktierende Betrieb nicht für hohe Produktionsgeschwindigkeiten geeignet ist und die Produktivität der Backanlage insgesamt begrenzt. Außerdem führt das Andrücken des Randabschnitts auf den in der Ebene des Waffelblatts verbliebenen Waffelblattabschnitt mittels einer Andruckrolle nicht zu zufriedenstellenden Produktionsergebnissen. Insbesondere wird die Waffelblattdicke während des Andrückens des umgeklappten Randabschnitts gegenüber dem nicht bearbeiteten Bereich des Waffelblatts reduziert. Aufgabe der Erfindung ist es daher, eine Förderanlage für die Produktion von Waffelblättern zu schaffen, bei denen ein Randabschnitt zur Weiterverarbeitung des Waffelblatts umgeschlagen werden soll, die bei geringem apparativem Aufwand eine hohe Produktionsgeschwindigkeit ermöglicht. The disadvantage of such systems is that the intermittent operation is not suitable for high production speeds and limits the productivity of the baking system as a whole. In addition, pressing the edge section onto the wafer sheet section remaining in the plane of the wafer sheet by means of a pressure roller does not lead to satisfactory production results. In particular, the thickness of the wafer sheet is reduced during the pressing of the folded-over edge section in relation to the non-processed area of the wafer sheet. The object of the invention is therefore to create a conveyor system for the production of wafer sheets, in which an edge section is to be turned over for further processing of the wafer sheet, which enables a high production speed with little expenditure on equipment.
Diese Aufgabe wird erfindungsgemäß durch die Förderanlage mit den Merkmalen von Anspruch 1 gelöst. Die Unteransprüche geben vorteilhafte Ausgestaltungen der Erfindung wieder. According to the invention, this object is achieved by the conveyor system having the features of claim 1. The subclaims reproduce advantageous embodiments of the invention.
Der Grundgedanke der Erfindung besteht darin, die für das Umschlagen des Randbereichs eines flächig ausgebildeten Waffelblatts notwendigen apparativen Strukturen in eine Förderstrecke derart zu integrieren, dass das Waffelblatt während des Transportvorgangs bearbeitet werden kann, ohne dass die Förderung unterbrochen werden müsste. Auf der Grundlage der Erfindung kann durch die Verwendung der passiv wirkenden Schikane die Produktionsgeschwindigkeit erhöht, wobei gleichzeitig der apparative und der damit verbundene Wartungsaufwand verringert sind. The basic idea of the invention is to integrate the apparatus structures necessary for turning over the edge area of a flat wafer sheet in a conveying path in such a way that the wafer sheet can be processed during the transport process without the conveyance having to be interrupted. On the basis of the invention, the use of the passively acting chicane can increase the production speed, while at the same time the outlay on equipment and the associated maintenance outlay are reduced.
Erfmdungsgemäß wird also eine Förderanlage mit einer eine Förderstrecke ausbildenden Fördereinrichtung zum Fördern eines Waffelblatts vorgeschlagen, bei dem eine in die Förderstrecke eingreifende Schikane mit einem Einlass zur Aufnahme eines Randabschnitts des Waffelblatts, eine den Randabschnitt aus der Ebene des Waffelblatts anhebende und oberhalb des in der Ebene verbleibenden Waffelblattabschnitts in Richtung dessen gegenüberliegenden Rands umschlagende Zwangsführung und einen den umgeschlagenen Randabschnitt des Waffelblatts dem in der Ebene verbleibenden Waffelblattabschnitt auflegenden Auslass vorgesehen ist. According to the invention, a conveyor system with a conveyor device forming a conveyor line for conveying a wafer sheet is proposed, in which a chicane engaging in the conveyor line with an inlet for receiving an edge section of the wafer sheet, one that lifts the edge section out of the plane of the wafer sheet and above the one in the plane rest of the wafer sheet section in the direction of the opposite edge of the restrained guide and the folded edge section of the wafer sheet resting on the wafer sheet section remaining in the plane outlet is provided.
Die Schikane greift also derart in die Förderstrecke ein, dass der Randabschnitt des Waffelblatts gegenüber einem in der Ebene des Waffelblatts verbleibenden Abschnitt gezwungen wird, eine Bewegung auszuführen, die den Rand des Randabschnitts nach oberhalb der Waffelblattebene und in Richtung des dem Randabschnitt in der Ebene gegenüberliegenden Randabschnitts führt. Dabei wird der umgeschlagene Randabschnitt dem in der Ebene verbliebenen Abschnitt des Waffelblatts angelegt und insbesondere angepresst. Aufgrund der Verwendung der Schikane ist insbesondere ein scharfkantiges Umschlagen des Randabschnitts des Waffelblatts möglich, dass mit einer Klappvorrichtung nicht erreicht werden kann. The chicane engages in the conveying path in such a way that the edge section of the wafer sheet opposite a section remaining in the plane of the wafer sheet is forced to execute a movement that moves the edge of the edge section above the wafer sheet plane and in the direction of that opposite the edge section in the plane Edge section leads. In this case, the turned-over edge section is placed against the section of the wafer sheet that has remained in the plane and, in particular, is pressed on. Due to the use of the chicane, a sharp-edged turning of the Edge portion of the wafer sheet possible that can not be reached with a folding device.
Bevorzugt weist die Zwangsführung zum Ausfuhren des insbesondere scharfkantigen Umschlagens eine sich quer zur Förderstrecke erstreckende, sich in vertikaler Richtung um 180° windende Kurvenbahn auf. In order to carry out the particularly sharp-edged turning, the forced guidance preferably has a curved path extending transversely to the conveying path and winding in the vertical direction by 180 °.
Besonders bevorzugt ist vorgesehen, dass die Schikane eine sich vom gegenüberliegenden Rand des in der Ebene verbleibenden Waffelblattabschnitts in die Zwangsführung erstreckende, oberhalb der Förderstrecke zu dieser beabstandet angeordnete Auflage zur Lagerung des umgeschlagenen Randabschnitts des Waffelblatts aufweist. Durch diese bevorzugte Ausgestaltung entsteht in der Schikane ein Kanal, der bevorzugt der Dicke des Waffelblatts entspricht und ein positionsgenaues Umschlagen des Randabschnitts bewirkt. Particularly preferably, it is provided that the chicane has a support, which extends from the opposite edge of the wafer sheet section remaining in the plane and is spaced above the conveying path, to support the folded edge section of the wafer sheet. This preferred embodiment creates a channel in the chicane which preferably corresponds to the thickness of the wafer sheet and causes the edge section to be folded over in a precisely positioned manner.
Nach einer weiteren bevorzugten Ausgestaltung besitzt der Auslass eine oberhalb der Förderstrecke angeordnete Wandung, deren Abstand zur Förderstrecke geringer als die doppelte Schichtdicke des zu transportierenden Waffelblatts ist. Aufgrund dieser Ausgestaltung wird sichergestellt, dass der umgeschlagene Randabschnitt an den in der Waffelblattebene verbliebenen Abschnitt definiert angedrückt wird, ohne dass mit einer Andruckrolle aktiv ein Druck auf den umgeschlagenen Randabschnitt ausgeübt werden muss. According to a further preferred embodiment, the outlet has a wall which is arranged above the conveying path and whose distance from the conveying path is less than twice the layer thickness of the wafer sheet to be transported. This configuration ensures that the folded edge section is pressed in a defined manner against the section remaining in the plane of the wafer sheet without a pressure roller having to actively exert pressure on the folded edge section.
Die Fördereinrichtung der Förderanlage ist bevorzugt als Riemenförderer ausgebildet. Der oder die Riemen verlaufen dabei bevorzugt in einem als Auflagefläche für das zu transportierende Waffelblatt dienenden Tisch. Insbesondere sind wenigstens zwei übereinander angeordnete, gegensinnig angetriebene Förderriemen vorgesehen, deren Abstand - zumindest in einigen Bereichen - zueinander geringer als die Schichtdicke des zu transportierenden Waffelblatts ist. Zwischen diesen Riemen wird das Waffelblatt geklemmt und mit den Riemen schonend transportiert. The conveying device of the conveyor system is preferably designed as a belt conveyor. The belt or belts preferably run in a table serving as a support surface for the wafer sheet to be transported. In particular, at least two conveyor belts that are arranged one above the other and driven in opposite directions are provided, the distance between which - at least in some areas - is less than the layer thickness of the wafer sheet to be transported. The wafer sheet is clamped between these belts and gently transported with the belt.
Speziell weist die Förderanlage die Förderriemen des Riemenförderers führende Rollen auf, deren horizontaler Abstand zueinander geringer als der Durchmesser des zu transportierenden Waffelblatts ist. Durch diese Ausgestaltung ist das Ausüben einer auf das jeweilige Waffelblatt wirkenden, den Transport bewirkenden gleichmäßigen Kraft ermöglicht. Speziell sind hierfür wenigstens zwei quer zur Förderrichtung angeordnete erste Rollen und wenigstens zwei quer zur Förderrichtung angeordnete zweite Rollen vorgesehen, die in Förderrichtung gesehen aufeinander folgend angeordnet sind, wobei die ersten und zweiten Rollen auf einer gedachten Fläche angeordnet sind, die kleiner als die Fläche des zu transportierenden Waffelblatts ist. So ist sichergestellt, dass stets vier Rollen mit dem zu transportierenden Waffelblatt in Kontakt sind. In particular, the conveyor system has rollers that guide the conveyor belts of the belt conveyor and whose horizontal distance from one another is less than the diameter of the wafer sheet to be transported. This configuration enables the exertion of a uniform force which acts on the respective wafer sheet and causes the transport. Specifically for this purpose, at least two first rollers arranged transversely to the conveying direction and at least two second rollers arranged transversely to the conveying direction are provided, which, viewed in the conveying direction, are arranged one after the other, the first and second rollers being arranged on an imaginary area that is smaller than the area of the is to be transported wafer sheet. This ensures that four rolls are always in contact with the wafer sheet to be transported.
Höchst bevorzugt ist vorgesehen, dass die Rollen des unteren Förderriemens und die Rollen des oberen Förderriemens in Förderrichtung gesehen alternierend angeordnet sind. It is most preferably provided that the rollers of the lower conveyor belt and the rollers of the upper conveyor belt are arranged alternately as seen in the conveying direction.
Schließlich wird eine Waffelbackanlage mit der zuvor dargestellten Förderanlage vorgeschlagen. Finally, a wafer baking system with the conveyor system shown above is proposed.
Speziell ist die erfindungsgemäß ausgestaltete Förderanlage für kreisrund ausgestaltete Waffelblätter vorgesehen, die zu gerollten Eistüten weiterverarbeitet werden sollen. Grundsätzlich eignet sich die Förderanlage aber auch für andere Formen von Waffelblättern, bei denen das Elmschlagen eines Randabschnitts auf einen in der Waffelblattebene verbleibenden Waffelblattabschnitt notwendig ist. The conveyor system designed according to the invention is specifically provided for circular wafer sheets that are to be processed further into rolled ice cream cones. In principle, however, the conveyor system is also suitable for other forms of wafer sheets in which it is necessary to knock an edge section onto a wafer sheet section remaining in the plane of the wafer sheet.
Die Erfindung wird im Folgenden anhand eines in den beigefügten Zeichnungen dargestellten, besonders bevorzugt ausgestalteten Ausführungsbeispiels näher erläutert. Es zeigen: The invention is explained in more detail below with reference to an exemplary embodiment shown in the accompanying drawings, which is particularly preferably configured. Show it:
Fig. 1 eine schematische Draufsicht auf ein besonders bevorzugt ausgestaltetes Ausführungsbeispiel einer Förderanlage nach der Erfindung; 1 shows a schematic plan view of a particularly preferred embodiment of a conveyor system according to the invention;
Fig. 2 eine perspektivische Ansicht der Förderanlage aus Fig. 1 von oben; FIG. 2 is a perspective view of the conveyor system from FIG. 1 from above; FIG.
Fig. 3 eine perspektivische Ansicht der Förderanlage aus Fig. 1 von unten; und FIG. 3 shows a perspective view of the conveyor system from FIG. 1 from below; FIG. and
Fig. 4 eine besonders bevorzugt ausgestaltete Schikane nach der Erfindung in einer Frontal ansicht von Seiten des Einlasses (a), eine Seitenansicht von Seiten der Förderstrecke der Förderanlage (b), eine Rückansicht von Seiten des Auslasses (c), eine Draufsicht (d), eine perspektivische Ansicht von Seiten des Auslasses (e) und eine perspektivische Ansicht von Seiten des Einlasses (f). 4 shows a particularly preferably configured chicane according to the invention in a front view from the side of the inlet (a), a side view from the side of the conveyor line of the conveyor system (b), a rear view from the side of the outlet (c), a plan view (d), a perspective view from the side of the outlet (e) and a perspective view from the side of the inlet (f).
Fig. 1 zeigt eine schematische Draufsicht auf ein besonders bevorzugt ausgestaltetes Ausführungsbeispiel einer Förderanlage nach der Erfindung. Insbesondere zeigt Fig. 1 eine Förderanlage 10 mit einer eine Förderstrecke ausbildenden Fördereinrichtung 20 zum Fördern eines Waffelblatts 30. Die Fördereinrichtung 20 ist im gezeigten Beispiel als Riemenförderer ausgebildet, der eine Mehrzahl von parallel zueinander und übereinander angeordnete Förderriemen 22 aufweist, die oberhalb und innerhalb eines die Waffelblätter 30 lagernden Tisches 26 angeordnet sind Dabei sind die Förderriemen 22 auf oberhalb, unterhalb und innerhalb des Tisches angeordneten Rollen 24 geführt. 1 shows a schematic plan view of a particularly preferred embodiment of a conveyor system according to the invention. In particular, Fig. 1 shows a conveyor system 10 with a conveyor 20 forming a conveyor path for conveying a wafer sheet 30. In the example shown, the conveyor 20 is designed as a belt conveyor, which has a plurality of conveyor belts 22 arranged parallel to one another and one above the other, which are located above and within a The wafer sheets 30 are arranged on the table 26 supporting the wafer sheets 30. The conveyor belts 22 are guided on rollers 24 arranged above, below and within the table.
In der im gezeigten Beispiel aus Förderriemen 22, Rollen 24 und Tisch 26 gebildeten Förderstrecke ist eine in die Förderstrecke eingreifende Schikane 40 vorgesehen, die einen Einlass 42 zur Aufnahme eines (durch die gestrichelte Linie angedeuteten gedachten) Randabschnitts 32 des auf der rechten Seite dargestellten Waffelblatts 30 und Auslass 46 zur Ausgabe des bearbeiteten Waffelblatts 30' aufweist. Zwischen dem Einlass 42 und dem Auslass 46 ist eine den Randabschnitt 32 aus der Ebene des Waffelblatts 30 anhebende und oberhalb des in der Ebene verbleibenden Waffelblattabschnitts 34 in Richtung dessen gegenüberliegenden Rands umschlagende Zwangsführung 44 vorgesehen, sodass das Waffelblatt 30 unbearbeitet vom Einlass 42 aufgenommen wird und der umgeschlagene Randabschnitt 32 des Waffelblatts 30 dem in der Ebene verbleibenden Waffelblattabschnitt 34 aufgelegt den Auslass 46 verlässt. In the example shown of the conveyor belt 22, rollers 24 and table 26, a baffle 40 engaging in the conveyor path is provided, which has an inlet 42 for receiving an edge section 32 (indicated by the dashed line) of the wafer sheet shown on the right 30 and outlet 46 for dispensing the processed wafer sheet 30 '. Between the inlet 42 and the outlet 46 a positive guide 44 is provided which lifts the edge section 32 out of the plane of the wafer sheet 30 and turns over the wafer sheet section 34 remaining in the plane in the direction of its opposite edge, so that the wafer sheet 30 is received unprocessed by the inlet 42 and the folded-over edge section 32 of the wafer sheet 30, placed on the wafer sheet section 34 remaining in the plane, leaves the outlet 46.
In Fig. 1 ist deutlich zu erkennen, dass das unbearbeitete Waffelblatt 30 am Anfang der Förderstrecke vor dem Passieren der Schikane 40 eine insgesamt kreisrunde Fläche aufweist, wobei die Fläche des Waffelblatts 30' im Anschluss an die Passage die Form eines Kreises einnimmt, der um ein Kreissegment vermindert zu sein scheint. Tatsächlich erscheint das bearbeitete Waffelblatt 30' in Draufsicht wie abgeschnitten, weil der Randabschnitt 32 des Waffelblatts 30 durch die Schikane 40 umgeschlagen und dem in der Ebene verbleibenden Waffelblattabschnitt 34 aufgelegt worden ist. In Fig. 1 it can be clearly seen that the unprocessed wafer sheet 30 at the beginning of the conveying path before passing through the chicane 40 has a total of circular surface, the surface of the wafer sheet 30 'after the passage assumes the shape of a circle around a segment of a circle appears to be diminished. The processed wafer sheet 30 ′ actually appears cut off in plan view because the edge section 32 of the wafer sheet 30 has been turned over by the chicane 40 and placed on the wafer sheet section 34 remaining in the plane.
Fig. 2 zeigt eine perspektivische Ansicht der Förderanlage aus Fig. 1 von oben, wobei zu erkennen ist, dass der Riemenförderer 20 pro Spur zwei übereinander angeordnete, gegensinnig angetriebene Förderriemen 22 aufweist, deren Abstand zueinander geringer als die Schichtdicke des zu transportierenden Waffelblatts 30, 30' ist. Durch diese Ausgestaltung können die Waffeln 30, 30' schonend transportiert werden. Die Förderriemen 22 werden dabei von einem gemeinsamen Antrieb 28 angetrieben. FIG. 2 shows a perspective view of the conveyor system from FIG. 1 from above, whereby it can be seen that the belt conveyor 20 per lane has two superposed, Conveyor belts 22 driven in opposite directions, whose distance from one another is less than the layer thickness of the wafer sheet 30, 30 'to be transported. With this configuration, the wafers 30, 30 'can be transported gently. The conveyor belts 22 are driven by a common drive 28.
Speziell ist vorgesehen, dass die die Förderriemen 22 des Riemenförderers 20 führenden Rollen 24 einen horizontalen Abstand zueinander haben, der geringer als der Durchmesser des zu transportierenden Waffelblatts 30, 30' ist. Insbesondere sind jeweils zwei quer zur Förderrichtung angeordnete erste Rollen 24 und jeweils zwei quer zur Förderrichtung angeordnete zweite Rollen 24 vorgesehen, die in Förderrichtung gesehen aufeinander folgend angeordnet sind, wobei die ersten und zweiten Rollen 24 auf einer gedachten Fläche angeordnet sind, die kleiner als die Fläche des zu transportierenden Waffelblatts 30, 30' ist. Durch diese Ausgestaltung ist ein besonders schonender Transport des Waffelblatts 30, 30' möglich. It is specifically provided that the rollers 24 guiding the conveyor belts 22 of the belt conveyor 20 have a horizontal distance from one another which is less than the diameter of the wafer sheet 30, 30 ′ to be transported. In particular, two first rollers 24 arranged transversely to the conveying direction and two second rollers 24 each transverse to the conveying direction are provided, which are arranged one after the other as seen in the conveying direction, the first and second rollers 24 being arranged on an imaginary area that is smaller than the Area of the wafer sheet 30, 30 'to be transported. This configuration enables the wafer sheet 30, 30 'to be transported in a particularly gentle manner.
Fig. 3 zeigt eine perspektivische Ansicht der Förderanlage 10 von unten, wobei die durch den Tisch greifenden Rollen 24 zu erkennen sind, die den Förderriemen 22 auf der Oberseite des Tisches 26 führen. 3 shows a perspective view of the conveyor system 10 from below, wherein the rollers 24 reaching through the table and guiding the conveyor belt 22 on the upper side of the table 26 can be seen.
Schließlich zeigt Fig. 4 eine besonders bevorzugt ausgestaltete Schikane nach der Erfindung in einer Frontalansicht von Seiten des Einlasses (a), eine Seitenansicht von Seiten der Förderstrecke der Förderanlage (b), eine Rückansicht von Seiten des Auslasses (c), eine Draufsicht (d), eine perspektivische Ansicht von Seiten des Auslasses (e) und eine perspektivische Ansicht von Seiten des Einlasses (f). Finally, Fig. 4 shows a particularly preferably designed chicane according to the invention in a front view from the side of the inlet (a), a side view from the side of the conveyor line of the conveyor system (b), a rear view from the side of the outlet (c), a top view (d ), a perspective view from the side of the outlet (e) and a perspective view from the side of the inlet (f).
Die Schikane 40 weist einen Einlass 42 zur Aufnahme des Randabschnitts 32 des Waffelblatts 30, eine den Randabschnitt 32 aus der Ebene des Waffelblatts 30 anhebende und oberhalb des in der Ebene verbleibenden Waffelblattabschnitts 34 in Richtung dessen gegenüberliegenden Rands umschlagende Zwangsführung 44 und einen den umgeschlagenen Randabschnitt 32 des Waffelblatts 30 dem in der Ebene verbleibenden Waffelblattabschnitt 34 auflegenden Auslass 46 auf. Insbesondere ist die zwischen Einlass 42 und Auslass 46 angeordnete Zwangsführung 44 als eine sich seitlich in die Förderstrecke eingreifende, sich in vertikaler Richtung um 180° windende Kurvenbahn ausgebildet. Damit es beim Umschlagen des Randabschnitts 32 nicht zu einem vorzeitigen Kontakt des Randabschnitts 32 mit dem in der Ebene verbleibenden Waffelblattabschnitt 34 kommt, weist die Schikane 40 eine sich vom gegenüberliegenden Rand des in der Ebene verbleibenden Waffelblattabschnitts 32 in die Zwangsführung 44 erstreckende, oberhalb der Förderstrecke zu dieser beabstandet angeordnete Auflage 48 zur Lagerung des umgeschlagenen Randabschnitts 32 des Waffelblatts 30 innerhalb der Schikane 40 auf. The chicane 40 has an inlet 42 for receiving the edge section 32 of the wafer sheet 30, a forced guide 44 which lifts the edge section 32 out of the plane of the wafer sheet 30 and turns over the wafer sheet section 34 remaining in the plane in the direction of its opposite edge, and an edge section 32 that is turned over of the wafer sheet 30 on the wafer sheet section 34 resting in the plane. In particular, the forced guide 44 arranged between inlet 42 and outlet 46 is designed as a curved path that engages laterally in the conveying path and winds through 180 ° in the vertical direction. So that when the edge section 32 is turned over, the edge section 32 does not come into premature contact with the wafer sheet section 34 remaining in the plane, the chicane 40 has an above the conveying path extending from the opposite edge of the wafer sheet section 32 remaining in the plane into the forced guide 44 to this spaced-apart support 48 for mounting the folded edge section 32 of the wafer sheet 30 within the chicane 40.
Der Auslass 46 der Schikane 40 ist schließlich mit einer oberhalb der Förderstrecke angeordneten Wandung ausgebildet, deren Abstand zum Tisch 26 der Förderstrecke geringer als die doppelte Schichtdicke des zu transportierenden Waffelblatts 30 ist. Durch diese Ausgestaltung werden die von der Fördereinrichtung 20 geförderten Teilbereiche des Waffelblatts 30 unter leichtem Druck zusammengeführt, sodass der umgeschlagene Randabschnitt 32 auf dem in der Ebene des Waffelblatts 30 verbleibenden Waffelblattabschnitt 34 dauerhaft anliegt. The outlet 46 of the chicane 40 is finally formed with a wall arranged above the conveying path, the distance of which from the table 26 of the conveying path is less than twice the layer thickness of the wafer sheet 30 to be transported. As a result of this configuration, the partial areas of the wafer sheet 30 conveyed by the conveyor device 20 are brought together under slight pressure so that the folded edge section 32 rests permanently on the wafer sheet section 34 remaining in the plane of the wafer sheet 30.

Claims

ANSPRÜCHE EXPECTATIONS
1. Förderanlage (10) mit einer eine Förderstrecke ausbildenden Fördereinrichtung (20) zum Fördern eines Waffelblatts (30), gekennzeichnet durch eine in die Förderstrecke eingreifende Schikane (40) mit einem Einlass (42) zur Aufnahme eines Randabschnitts (32) des Waffelblatts (30), eine den Randabschnitt (32) aus der Ebene des Waffelblatts (30) anhebende und oberhalb des in der Ebene verbleibenden Waffelblattabschnitts (34) in Richtung dessen gegenüberliegenden Rands umschlagende Zwangsführung (44) und einen den umgeschlagenen Randabschnitt des Waffelblatts (30) dem in der Ebene verbleibenden Waffelblattabschnitt (34) auflegenden Auslass (46). 1. Conveyor system (10) with a conveyor device (20) forming a conveyor line for conveying a wafer sheet (30), characterized by a baffle (40) engaging in the conveyor line with an inlet (42) for receiving an edge section (32) of the wafer sheet ( 30), a forced guide (44) which lifts the edge section (32) out of the plane of the wafer sheet (30) and above the wafer sheet section (34) remaining in the plane in the direction of its opposite edge and a folded edge section of the wafer sheet (30) in the plane remaining wafer sheet section (34) overlying outlet (46).
2. Förderanlage (10) nach Anspruch 1, dadurch gekennzeichnet, dass die Zwangsführung (44) eine sich quer zur Förderstrecke erstreckende, sich in vertikaler Richtung um 180° windende Kurvenbahn aufweist. 2. Conveyor system (10) according to claim 1, characterized in that the positive guide (44) has a curved path extending transversely to the conveying path and winding in the vertical direction by 180 °.
3. Förderanlage (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Schikane (40) eine sich vom gegenüberliegenden Rand des in der Ebene verbleibenden Waffelblattabschnitts in die Zwangsführung (44) erstreckende, oberhalb der Förderstrecke zu dieser beabstandet angeordnete Auflage (48) zur Lagerung des umgeschlagenen Randabschnitts des Waffelblatts (30) aufweist. 3. Conveyor system (10) according to one of the preceding claims, characterized in that the chicane (40) is a support (48) which extends from the opposite edge of the wafer sheet section remaining in the plane into the forced guide (44) and is spaced above the conveying path ) for storing the folded edge portion of the wafer sheet (30).
4. Förderanlage (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Auslass (46) eine oberhalb der Förderstrecke angeordnete Wandung aufweist, deren Abstand zur Förderstrecke geringer als die doppelte Schichtdicke des zu transportierenden Waffelblatts (30) ist. 4. Conveyor system (10) according to one of the preceding claims, characterized in that the outlet (46) has a wall arranged above the conveying path whose distance from the conveying path is less than twice the layer thickness of the wafer sheet (30) to be transported.
5. Förderanlage (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Fördereinrichtung (20) als Riemenförderer ausgebildet ist. 5. Conveyor system (10) according to one of the preceding claims, characterized in that the conveyor device (20) is designed as a belt conveyor.
6. Förderanlage (10) nach Anspruch 5, gekennzeichnet durch wenigstens zwei übereinander angeordnete, gegensinnig angetriebene Förderriemen (22), deren Abstand zueinander geringer als die Schichtdicke des zu transportierenden Waffelblatts (30) ist. 6. Conveyor system (10) according to claim 5, characterized by at least two superposed, oppositely driven conveyor belts (22) whose distance from one another is less than the layer thickness of the wafer sheet to be transported (30).
7. Förderanlage (10) nach einem der Ansprüche 5 und 6, gekennzeichnet durch die Förderriemen (22) des Riemenförderers führende Rollen (24), deren horizontaler Abstand zueinander geringer als der Durchmesser des zu transportierenden Waffelblatts (30) ist. 7. Conveyor system (10) according to one of claims 5 and 6, characterized by the conveyor belts (22) of the belt conveyor leading rollers (24) whose horizontal distance from one another is less than the diameter of the wafer sheet to be transported (30).
8. Förderanlage (10) nach Anspruch 7, gekennzeichnet durch wenigstens zwei quer zur Förderrichtung angeordnete erste Rollen (24) und wenigstens zwei quer zur Förderrichtung angeordnete zweite Rollen (24), die in Förderrichtung gesehen aufeinander folgend angeordnet sind, wobei die ersten und zweiten Rollen (24) auf einer gedachten Fläche angeordnet sind, die kleiner als die Fläche des zu transportierenden Waffelblatts (30) ist. 8. Conveyor system (10) according to claim 7, characterized by at least two first rollers (24) arranged transversely to the conveying direction and at least two second rollers (24) arranged transversely to the conveying direction, which are arranged one after the other as seen in the conveying direction, the first and second Rollers (24) are arranged on an imaginary area which is smaller than the area of the wafer sheet (30) to be transported.
9. Waffelbackanlage mit einer Förderanlage (10) nach einem der vorhergehenden Ansprüche. 9. Wafer baking system with a conveyor system (10) according to one of the preceding claims.
PCT/DE2021/100054 2020-03-04 2021-01-18 Installation for conveying and folding a wafer sheet WO2021175358A1 (en)

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CN202180018789.1A CN115209740B (en) 2020-03-04 2021-01-18 Device for transporting and folding wafers
ES202290063A ES2926098B2 (en) 2020-03-04 2021-01-18 Installation for transporting and bending a wafer and baking installation with a installation for transporting and bending wafers

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DE102020105737.7A DE102020105737B3 (en) 2020-03-04 2020-03-04 Conveyor system with a conveyor device forming a conveyor line for conveying a wafer sheet
DE102020105737.7 2020-03-04

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GB199189A (en) * 1922-04-13 1923-06-21 John Girdwood Improvements in dough moulding machines
DE1132063B (en) * 1960-11-23 1962-06-28 Bahlsen Werner Device for folding wafer sheets
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EP2884845B1 (en) 2012-08-16 2018-09-26 Haas Food Equipment GmbH System for producing end products by cutting flat and hollow wafer blocks

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ES2926098A2 (en) 2022-10-21
DE102020105737B3 (en) 2020-12-31
CN115209740A (en) 2022-10-18
CN115209740B (en) 2024-02-09
ES2926098R1 (en) 2023-03-07

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