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WO2004083085A2 - Dispositif doseur, manchon a cellules de transport pour ledit dispositif doseur et appareil distributeur - Google Patents

Dispositif doseur, manchon a cellules de transport pour ledit dispositif doseur et appareil distributeur Download PDF

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Publication number
WO2004083085A2
WO2004083085A2 PCT/DE2004/000585 DE2004000585W WO2004083085A2 WO 2004083085 A2 WO2004083085 A2 WO 2004083085A2 DE 2004000585 W DE2004000585 W DE 2004000585W WO 2004083085 A2 WO2004083085 A2 WO 2004083085A2
Authority
WO
WIPO (PCT)
Prior art keywords
cells
drive shaft
dosing device
conveyor
outlet opening
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/DE2004/000585
Other languages
German (de)
English (en)
Other versions
WO2004083085A3 (fr
Inventor
Helmut Billeriss
Karl Asbeck
Alexander Hoffmann
Norbert Hein
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.)
Streumaster Maschinenbau GmbH
Original Assignee
Streumaster Maschinenbau 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32980646&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2004083085(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Streumaster Maschinenbau GmbH filed Critical Streumaster Maschinenbau GmbH
Publication of WO2004083085A2 publication Critical patent/WO2004083085A2/fr
Publication of WO2004083085A3 publication Critical patent/WO2004083085A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34—Details
    • B65G53/40—Feeding or discharging devices
    • B65G53/46—Gates or sluices, e.g. rotary wheels
    • B65G53/4608—Turnable elements, e.g. rotary wheels with pockets or passages for material
    • B65G53/4625—Turnable elements, e.g. rotary wheels with pockets or passages for material with axis of turning perpendicular to flow
    • B65G53/4633—Turnable elements, e.g. rotary wheels with pockets or passages for material with axis of turning perpendicular to flow the element having pockets, rotated from charging position to discharging position, i.e. discrete flow
    • 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
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34—Details
    • B65G53/40—Feeding or discharging devices
    • B65G53/46—Gates or sluices, e.g. rotary wheels
    • B65G53/4608—Turnable elements, e.g. rotary wheels with pockets or passages for material
    • B65G53/4625—Turnable elements, e.g. rotary wheels with pockets or passages for material with axis of turning perpendicular to flow
    • B65G53/4633—Turnable elements, e.g. rotary wheels with pockets or passages for material with axis of turning perpendicular to flow the element having pockets, rotated from charging position to discharging position, i.e. discrete flow
    • B65G53/4641—Turnable elements, e.g. rotary wheels with pockets or passages for material with axis of turning perpendicular to flow the element having pockets, rotated from charging position to discharging position, i.e. discrete flow with means for clearing out the pockets

Definitions

  • the invention relates to a metering device with an inlet opening and an outlet opening and a conveying chamber arranged in between, in which there is at least one drive shaft, around which are arranged star-shaped conveying cells, the material accommodated at the inlet opening when the drive shaft rotates, in particular granular or powdery material Transport bulk material, viscous or mud-like material or piece goods to the outlet opening and pour out there. It relates in particular to such a metering device for construction, agricultural and environmental technology and to a distribution device for building, agricultural and environmental technology with such a metering device.
  • Another aspect of the invention is the provision of a conveyor cell sleeve for a metering device of the type mentioned at the beginning.
  • drive shaft includes any rod-like means for transmitting a drive that sets the star-shaped conveyor cells in rotary motion to convey the material.
  • German Offenlegungsschrift 27 32 199 describes a cellular wheel sluice with inflatable wheel pockets.
  • the wheel bags are blown out using compressed air in order to free them of the bulk material being conveyed as residue-free as possible.
  • this solution is associated with considerable additional technical outlay due to the channels, hoses and seals designed for compressed air, as well as the installation in the cellular wheel sluice, and on the other hand it does not guarantee reliable cleaning of the wheel bags in the case of heavily caking materials.
  • the present invention has for its object a
  • a conveyor cell ring is to be provided which can be replaced in a technically simple manner in the metering device.
  • the delivery cells are at least partially, particularly preferably completely dig made of flexible material, in particular of a rubber-like material, plastic material or plastic compound material, such that the conveyor cells - preferably during operation of the metering device - is deformable. It is also conceivable that the conveyor cells are made, for example, from a resilient metallic material or composite material.
  • the metering device is particularly preferably designed in such a way that essentially each inner surface area of a conveyor cell undergoes at least one deformation during a revolution of the drive shaft, which serves to detach adhering material to be conveyed from this inner surface.
  • the metering device is very particularly preferably designed such that each conveying cell is deformed at least once overall during one revolution of the drive shaft.
  • detaching material to be conveyed from the inner walls of the conveying cells they are preferably deformed during the circulation in the conveying chamber at least at one point, in particular by means of a suitable device on or in the conveying chamber.
  • This deformation of the conveyor cells takes place particularly preferably when they are streaked along a wall of the conveyor chamber during which the conveyor cells bend. This is preferably done at least on the conveyor chamber wall between the inlet opening and outlet opening.
  • the delivery cells can also be deformed in other areas of the delivery chamber. It is also conceivable that the deformation of the conveyor cells essentially only takes place on their way from the outlet opening back to the inlet opening if this already brings about the desired effect.
  • the delivery cells are preferably pressed against a wall of the delivery chamber on the basis of a corresponding shaping of the delivery chamber wall, for example by at least in the
  • the area between the inlet and outlet opening is flattened or has an oval-like or ellipse-like shape overall. Pressing the conveyor cells against a wall of the conveyor cells can, however, also be accomplished in that the axis of rotation of the drive shaft extends eccentrically with respect to the conveyor chamber outside the longitudinal center axis of a conveyor chamber which is circular in cross section.
  • An alternative or supplementary means for deforming the conveyor cells comprises at least one web or a wedge, on which walls of the conveyor cells strike as they pass and are deformed during the further movement.
  • a web or wedge is preferably arranged between the inlet opening and outlet opening adjacent to, in particular immediately in front of, the outlet opening. It is thereby achieved that the deformation of the delivery cells or a maximum deformation of the delivery cells takes place shortly or immediately before the outlet opening.
  • the delivery cells are deformed on their way from the inlet opening to the outlet opening and, after reaching the outlet opening, the delivery cells snap back into their original shape.
  • the deformation of the delivery cells between the inlet opening and the outlet opening preferably increases continuously, which is preferably achieved by means of a delivery chamber narrowing in the direction of the outlet opening toward the drive shaft.
  • the otherwise circular or circular conveying chamber between the inlet opening and outlet opening can be flattened (preferably in the middle area between the inlet and outlet opening), so that maximum deformation in a region between the inlet opening and outlet inlet opening takes place and the delivery cells already move back into their original shape on the way from the central area to the outlet opening. This makes it possible to avoid as quickly as possible rapid deformations of the delivery cells, which can lead to undesired vibrations in the metering device, in particular at the outlet opening.
  • the wall of the delivery chamber between the inlet opening and the outlet opening, along which the delivery cells filled with the material to be conveyed pass is designed to be flexible.
  • a stop element can be provided in the outlet opening, which overlaps with the walls of the feed cells and against which the walls of the feed cells abut as they pass the outlet opening, as a result of which they are in the area of the outlet opening can be deformed again.
  • such a stop element can be the only component of the metering device which causes deformation of the feed cells sufficient for the detachment of deposits in the feed cell.
  • the feed cells remain in such an embodiment of the metering device
  • the conveyor cells are made of flexible strips which are U-shaped or V-shaped and are arranged in a star shape with their opening facing outward around the drive shaft and are fastened to it.
  • flexible support strips are preferably arranged spaced apart from one another and fastened to the drive shaft. These support strips are directed radially outwards and a U-shaped or V-shaped strip is arranged between each two support strips and forms a conveyor cell.
  • the U-like or V-like strips are preferably connected to the support strips by means of vulcanization or gluing. Alternatively, the strips can also be screwed or riveted or clamped together.
  • the U-shaped or V-shaped strips and the support strips are made in one piece from flexible material, attached to the drive shaft and fastened to it.
  • the conveying cells can be formed on a sleeve which is manufactured in one piece, in particular injection molded or injection molded, which is attached to the drive shaft or is completely manufactured in a firmly connected manner to the drive shaft.
  • the sleeve has a conveyor cell ring, on the circumferential side of which, with its opening, outwardly directed conveyor cells are formed and which can be plugged onto the drive shaft.
  • the feed cells are made of rubber, fabric rubber, neoprene, fluororubber, Teflon, flexible fabric or a combination of these materials, for example, but can also be made of other flexible materials suitable for the material to be dosed.
  • the dimensions of the dosing device allow this that the conveyor cell ring and the drive shaft are made in one piece from a flexible material, for example by means of injection molding or injection molding.
  • the required rigidity of the drive shaft and the required flexibility of the conveying cells can expediently be achieved here by setting the appropriate material thicknesses and wall thicknesses.
  • This embodiment is preferably used for metering devices with small dimensions, for example in the cm or mm range.
  • the inner walls of the delivery chamber can, if required, be provided with a sliding coating or consist of material with good sliding properties.
  • the regions of the conveying cells that graze the walls of the conveying chamber or the conveying cells as a whole can be provided with a sliding coating or even made of good material
  • the conveyor cells can be made of a material on which the material to be conveyed is poorly or ideally not at all adhering.
  • a material that is suitable in many cases is, for example, Teflon.
  • Dosing devices according to the invention are particularly suitable for use in construction, agricultural or environmental technology distribution devices, such as, for example, binder distribution devices Soil stabilization.
  • the metering device can be arranged between a material outlet of a storage container and a distribution device, for example a spreader. The quantity of material discharged during operation of the distributor is set with the dosing device.
  • the metering device can simultaneously function as a distribution device; a separate distribution device, such as a spreader, is then no longer required.
  • FIG. 1 shows a schematic illustration of a vertical sectional view through a first exemplary embodiment
  • Figure 2 a schematic representation of a vertical
  • FIG. 3 shows a schematic illustration of a vertical sectional view through a third exemplary embodiment
  • FIG. 4 shows a schematic illustration of a vertical sectional view through a fourth exemplary embodiment
  • FIGS. 5 to 9 schematic representations of vertical sectional views through four exemplary embodiments of a feed cell sleeve
  • FIG. 10 shows a schematic illustration of a vertical sectional view through a fifth exemplary embodiment
  • FIG. 11 shows a schematic illustration of a vertical sectional view through a sixth exemplary embodiment
  • FIG. 12 shows a schematic illustration of a vertical sectional view through a seventh exemplary embodiment
  • FIGS. 13 and 14 schematic representations of views on the longitudinal axis of various special arrangements of conveyor cells on the drive shaft
  • Figure 15 is a schematic representation of a vertical sectional view through an eighth embodiment.
  • Figure 16 is a schematic representation of a vertical sectional view through a ninth embodiment.
  • a conveyor 1 is provided with an inlet opening 2 and an outlet opening 3, in which a cellular wheel 4 is located.
  • the cellular wheel 4 has a drive shaft 5, around which star-shaped conveyor cells 6 are arranged, which, when the drive shaft rotates, absorbs material such as bulk material, viscous or mud-like material for the outlet.
  • the conveyor cells 6 are made entirely of a flexible material, for example rubber.
  • the wall 7 of the delivery chamber 1 running between the inlet opening 2 and the outlet opening 3 (based on the direction of rotation 10 shown in the drawing) runs on a radial us around the drive shaft 5, which is smaller than the radius on which the end faces 8 of the walls of the conveyor cells 6 run around the drive shaft 5.
  • the side walls of the conveyor cells 6 are bent on the way from the inlet opening 2 to the outlet opening 3 during grinding along the wall 7 of the conveyor chamber 1 in the direction of the arrows 9 shown in the figure, as a result of which the conveyor cells 6 as a whole are deformed.
  • the delivery cells 6 snap back into their starting position. Due to the deformation and the snap-back of the conveyor cells 6, any material to be conveyed attached to the inner walls of the conveyor cells 6 is detached, so that the conveyor cells 6 subsequently ideally each have their nominal capacity again.
  • the wall 7 can be provided with a sliding coating, for example made of Teflon, or made of a material with good sliding properties compared to the material of the conveyor cells, for example made of Teflon.
  • a sliding coating for example made of Teflon
  • the end regions 8 of the side walls of the conveyor cells 6 that grind along the wall 7 can be provided with such a sliding coating, or the conveyor cells as a whole can consist of a correspondingly slidable material.
  • At least one web or a wedge can be provided in the feed chamber 1, on which the walls of the feed cells 6 strike as they pass and are deformed during the further movement.
  • the web or the wedge is preferably arranged between the inlet opening 2 and the outlet opening 3 adjacent to, in particular directly in front of the outlet opening 3, so that the or there is a particularly strong deformation of the feed cells 6 adjacent or immediately in front of the outlet opening 3.
  • the conveyor cells 6 are made from flexible strips 61, for example from rubber strips, which are arched in a U-like manner and are arranged in a star shape with their opening outwards around the drive shaft 5 and are fastened to the latter.
  • Flexible support strips 60 are arranged at a distance from one another around the drive shaft 5 and are fastened to associated mounting plates 50 which are fastened to the drive shaft 5 and extend radially outwards.
  • a U-shaped strip 61 Arranged between two support strips 60 is a U-shaped strip 61 which, together with the adjacent support strips 60, forms a feed cell 6.
  • the U-like curved strips 61 are connected to the adjacent support strips 60 by means of vulcanization or gluing to form a conveyor cell sleeve 62 (see FIG. 5), which can be plugged onto the drive shaft 5.
  • the support strips 61 and the U-shaped strips 61 as indicated in FIG. 4, can be connected by means of screws or rivets or by means of clamps.
  • the conveyor cells 6 can be formed in a one-piece injection-molded or injection-molded conveyor cell sleeve 62 (see FIGS. 6 and 7), which can be plugged onto the drive shaft 5. Possible materials are given above in the general part of the description.
  • the conveyor cells 6 can be produced in one piece from a flexible layer 63, which is laid around the drive shaft 5 in a meander-like or star-like manner and is connected to it, for example, by vulcanization. Compare FIGS. 8 and 9 in this regard. or star-like conveyor cell ring can be made separately in one piece and then plugged onto the drive shaft and connected to it.
  • a plurality of flexible strips into a star-like conveyor cell ring, as shown in FIG. 8, in order to form the drive shaft.
  • the flexible strips can be connected to one another, for example by means of vulcanization or by means of another suitable technique.
  • Such a conveyor cell ring can also be fastened to the drive shaft, for example, likewise by means of vulcanization or by means of adhesive. Fastening to the drive shaft by means of screws, rivets, clamps or the like is also conceivable.
  • Such a star-shaped conveyor cell ring can also be produced separately in one piece and subsequently plugged onto the drive shaft and connected to it.
  • the second exemplary embodiment shown in FIG. 2 differs from the one described in connection with FIG. 1 in particular in that
  • the exemplary embodiment shown in FIG. 3 differs from the previously described exemplary embodiments in particular in that a stop element 11 is provided in the outlet opening 3, which overlaps with the support strips 60 of the feeder cells 6 and against which the support strips 60 strike during operation of the metering device, whereby the delivery cells are deformed again in the area of the outlet opening 3.
  • the delivery chamber wall between the inlet opening and outlet opening is square. The result of this is that the conveyor cells are alternately deformed to a greater and lesser extent on their way from the inlet opening to the outlet opening, and thus an improved detachment of accumulated material can be achieved.
  • such a configuration of the conveyor chamber is technically simple to implement.
  • the conveying chamber wall can also be angular in a region other than the above-mentioned between the inlet opening and the outlet opening.
  • the exemplary embodiment according to FIG. 11 shows a further possibility of how the conveyor cells can be deformed.
  • fastening elements 51 for the conveyor cell ring protrude into the drive shaft 5, in which they abut one or more stop or deflection elements 52 during rotation of the drive shafts.
  • stop or deflection elements 52 during rotation of the drive shafts.
  • other elements can also be provided in or on the drive shaft, which cause the fastening element to deflect out of its rest position.
  • the exemplary embodiment shown in FIG. 12 differs from the previously described exemplary embodiments in the arrangement of the inlet and outlet openings and is intended to clarify that the arrangement of the inlet and outlet openings can have any configuration within the scope of the present invention.
  • the individual conveyor cells are made from flexible profile bodies 110, preferably rubber profiles, which are plugged onto a star-shaped shaft 5 and glued to it or otherwise connected.
  • a side conveyor cell Wall 102 of two mutually adjacent and preferably interconnected, for example glued conveyor cell walls 102, 103 is longer and projects beyond them. This protruding part of the feed cell wall 102 is then deformed to a greater extent than the other components of the feed cells when grinding along the wall of the feed chamber and thereby ensures an improved sealing of the feed cells with respect to the wall of the feed chamber.
  • this exemplary embodiment can also be combined with all other suitable further training measures of the other exemplary embodiments.
  • each conveyor cell preferably has a hollow chamber 101 arranged at least partially between the star-like extensions 100 of the drive shaft.
  • the exemplary embodiment according to FIG. 16 differs from the above-mentioned one in particular in that in the hollow chambers 101 arranged between the star-like extensions 100 of the drive shaft, the flexible profile body clamping angles 104 are arranged, which press the profile body against the star-like extensions of the drive shaft 5 and thus fix them on the Support drive shaft 5.
  • the delivery cells do not necessarily have to be parallel to the
  • a plurality of conveyor cell elements can be arranged next to one another on a drive shaft. Both embodiments or combinations thereof fall within the scope of the present invention, as well as other expedient variants, such as, for example, a wavy course of the conveyor cells along the axis of rotation of the drive shaft.
  • Conventional devices such as an electric motor can be used as the drive means for the drive shaft.
  • the cellular wheel 4 can be driven by placing it directly on the surface over which the metering device is moved, for example in the case of trailing spreading devices.
  • the metering devices described in the exemplary embodiments can preferably be used in construction, agricultural or environmental technology distribution devices, for example in binder distribution devices.
  • the dosing device can be located between a material outlet of a material storage container and a distribution device, e.g. be arranged in a spreader or even act as a distribution device, in the example as a spreader.
  • the metering device feeds the distributing device an adjustable, predetermined amount of material, so that, for example, an amount of binding agent required for the desired soil stability is reliably transported very precisely through the metering device.
  • Dosing devices of the type described in the general part of the description and in the exemplary embodiments can of course not only be used in the field of binder distributors, but can also be used wherever there is a particular focus on the exact amount of bulk material discharged by the dosing device, sludge-like or viscous material, piece goods or the like arrives and / or the material to be conveyed tends to put on or wedge in the conveyor cells. Examples include the food industry, the chemical industry, the pharmaceutical industry and the ceramics industry.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Abstract

Dispositif doseur pourvu d'un orifice d'entrée, d'un orifice de sortie et d'une chambre de transport placée entre les deux, dans laquelle se trouve au moins un arbre d'entraînement autour duquel sont placées en étoile des cellules de transport qui transportent de la matière introduite dans l'orifice d'entrée vers l'orifice de sortie en cas de rotation de l'arbre d'entraînement. Les cellules de transport sont constituées au moins en partie d'une matière souple, de manière à être déformables. La présente invention concerne en outre un manchon pour cellules de transport destiné à être utilisé dans un dispositif doseur, ainsi qu'un dispositif distributeur pourvu dudit dispositif doseur.
PCT/DE2004/000585 2003-03-21 2004-03-22 Dispositif doseur, manchon a cellules de transport pour ledit dispositif doseur et appareil distributeur Ceased WO2004083085A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003112811 DE10312811B4 (de) 2003-03-21 2003-03-21 Dosiervorrichtung und Verteilgerät mit Dosiervorrichtung
DE10312811.5 2003-03-21

Publications (2)

Publication Number Publication Date
WO2004083085A2 true WO2004083085A2 (fr) 2004-09-30
WO2004083085A3 WO2004083085A3 (fr) 2005-02-10

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ID=32980646

Family Applications (1)

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PCT/DE2004/000585 Ceased WO2004083085A2 (fr) 2003-03-21 2004-03-22 Dispositif doseur, manchon a cellules de transport pour ledit dispositif doseur et appareil distributeur

Country Status (2)

Country Link
DE (1) DE10312811B4 (fr)
WO (1) WO2004083085A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008150241A1 (fr) * 2007-06-06 2008-12-11 Väderstad-Verken Aktiebolag Rotor pour équipement de distribution sur une machine à semer
WO2020156750A1 (fr) * 2019-01-30 2020-08-06 Rauch Landmaschinenfabrik Gmbh Unité de dosage comprenant une roue cellulaire entraînée en rotation et machine de distribution comprenant une telle unité de dosage
ES2862848A1 (es) * 2020-04-03 2021-10-07 Calvo Juan Galan Dispositivo de descarga para sistemas de transporte de solidos por medio de fluidos
DE102022112948B3 (de) 2022-05-23 2023-10-12 Glatt Maschinen- Und Apparatebau Ag Zellenradschleuse und Prozessanlage mit einer Zellenradschleuse

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Publication number Priority date Publication date Assignee Title
EP4062732A1 (fr) 2021-03-23 2022-09-28 Streumaster Maschinenbau GmbH Mécanisme d'épandage et appareil d'épandage
DE102021116375A1 (de) 2021-03-23 2022-09-29 Streumaster Maschinenbau GmbH Streuwerk und Streugerät

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008150241A1 (fr) * 2007-06-06 2008-12-11 Väderstad-Verken Aktiebolag Rotor pour équipement de distribution sur une machine à semer
EP2152615A4 (fr) * 2007-06-06 2012-02-22 Vaederstad Verken Ab Rotor pour équipement de distribution sur une machine à semer
WO2020156750A1 (fr) * 2019-01-30 2020-08-06 Rauch Landmaschinenfabrik Gmbh Unité de dosage comprenant une roue cellulaire entraînée en rotation et machine de distribution comprenant une telle unité de dosage
ES2862848A1 (es) * 2020-04-03 2021-10-07 Calvo Juan Galan Dispositivo de descarga para sistemas de transporte de solidos por medio de fluidos
DE102022112948B3 (de) 2022-05-23 2023-10-12 Glatt Maschinen- Und Apparatebau Ag Zellenradschleuse und Prozessanlage mit einer Zellenradschleuse

Also Published As

Publication number Publication date
WO2004083085A3 (fr) 2005-02-10
DE10312811A1 (de) 2004-10-14
DE10312811B4 (de) 2014-02-13

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