EP3496846A2 - Rührvorrichtung und verfahren - Google Patents
Rührvorrichtung und verfahrenInfo
- Publication number
- EP3496846A2 EP3496846A2 EP17751742.2A EP17751742A EP3496846A2 EP 3496846 A2 EP3496846 A2 EP 3496846A2 EP 17751742 A EP17751742 A EP 17751742A EP 3496846 A2 EP3496846 A2 EP 3496846A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- stirring device
- stirring
- spar
- carrier unit
- connection
- 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.)
- Pending
Links
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- 238000003756 stirring Methods 0.000 claims description 209
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- 238000001746 injection moulding Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000011120 plywood Substances 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/07—Stirrers characterised by their mounting on the shaft
- B01F27/071—Fixing of the stirrer to the shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/07—Stirrers characterised by their mounting on the shaft
- B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
- B01F27/0726—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis having stirring elements connected to the stirrer shaft each by a single radial rod, other than open frameworks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/113—Propeller-shaped stirrers for producing an axial flow, e.g. shaped like a ship or aircraft propeller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/165—Making mixers or parts thereof
Definitions
- the invention relates to a stirring device according to the preamble of
- Stirrers are known from the prior art with a hub and with welded to the hub support beams, to each of which a stirring blade is attached known.
- the hub is attached to a drive shaft of a stirrer.
- agitators are known in which stirring blades are welded directly to a hub.
- the object of the invention is in particular to provide a generic stirring device with improved properties in terms of a construction.
- the object is achieved by the features of claims 1, 2 and 15, while advantageous embodiments and modifications of the invention can be taken from the dependent claims.
- the invention is based on a stirring device with at least one
- Carrier unit which has at least one connecting element for the particular releasable connection to a drive shaft and at least one spar member for fixing at least one stirring blade.
- the spar element and the connection element are integrally connected to one another.
- the spar element has at least one section with an at least substantially quadrangular, advantageously at least substantially rectangular cross section.
- a low-cost and / or easy-to-produce stirring device can be provided.
- a stirring device can be provided, which can be cut from a sheet, wherein in particular a number of necessary welding operations can be reduced and / or a strength can be increased.
- a hub and spars of a stirring device can be manufactured from a common workpiece, wherein the stirring device is advantageously seamless.
- a high degree of flexibility with regard to a connection of a stirring blade can be achieved.
- a stirrer for example, a mixer and / or an agitator, in particular for a fluid, in particular with a maximum speed of 500 rpm, advantageously of 200 rpm, particularly advantageously of 100 rpm, preferably of 50 rpm understood.
- a stirrer for example, a mixer and / or an agitator, in particular for a fluid, in particular with a maximum speed of 500 rpm, advantageously of 200 rpm, particularly advantageously of 100 rpm, preferably of 50 rpm understood.
- the stirring device is provided to be rotated about an axis of rotation, in particular during stirring.
- the stirring device is point-symmetrical, in particular with respect to a center point of the connection element. Especially preferred extends in a mounted state of the stirring device, the axis of rotation of the stirring device through the center of the connecting element.
- the axis of rotation runs parallel to a
- the carrier unit is integrally formed.
- the carrier unit is formed at least to a large extent and in particular completely from a metal, for example from steel and / or stainless steel and / or an alloy and / or any other metal such as aluminum and / or titanium.
- the stirring unit is made at least for the most part of a plastic.
- the stirring unit has an, in particular additional, at least partial coating, for example with a metal oxide and / or a, in particular corrosion-resistant, polymer, and / or rubberized.
- At least 55%, advantageously at least 65%, preferably at least 75%, particularly preferably at least 85% and particularly advantageously at least 95% are to be understood by the term "at least to a large extent.”
- the attachment element forms a part, in particular an upper part, of a hub.
- the connection element is particularly advantageously at least to a large extent, in particular completely, of a metal, for example of steel and / or of stainless steel, and / or of the same material as the one
- Carrier unit formed. It is conceivable for the carrier unit to have a plurality of connecting elements, advantageously arranged one above the other, in particular with corresponding cross-sections, which together form the hub.
- the rail element is formed at least to a large extent, in particular completely from a metal, for example from steel and / or from stainless steel, and / or from the same material as the carrier unit.
- the spar element is elongated.
- the spar member is straight.
- the bar element is rod-like
- the spar element in particular a longitudinal direction of the Holmelements, extending from a center of the
- the spar element extends in a plane, in particular in a plane perpendicular to the axis of rotation.
- the spar member has a longitudinal extent which corresponds to at least 5%, advantageously at least 10%, particularly advantageously at least 20% and preferably at least 30% of a maximum extent, in particular a diameter, of the stirring device. It is also conceivable that the spar element is formed bent, wherein the spar member within the plane and / or from the
- the spar member at least one connection region for the stirring blade, wherein the
- connection region is particularly advantageous for welding and / or screwing and / or a riveting and / or a one-piece connection and / or another connection is provided with the stirring blade.
- the spar member forms a spar, to which a stirring blade attachable
- the spar corresponds to the
- the carrier unit has a plurality of advantageous stacked rail elements, in particular with corresponding cross sections, which together form a spar.
- the carrier unit can have a plurality of bars which
- each of a plurality of, preferably stacked rail elements are formed.
- provided is intended to be understood in particular to be specially designed and / or equipped, in particular that an object is intended for a specific function be understood that the object fulfills and / or executes this specific function in at least one application and / or operating state.
- one-piece should be understood to mean, in particular, a piece, preferably a piece of a single workpiece and / or a single blank and / or a mass and / or a casting, or in an injection molding method, in particular an input and / or or
- the carrier unit is designed as a single forged part. It is also conceivable that the carrier unit is designed as a cast part.
- An "at least substantially square / rectangular cross-section" of an object should be understood to mean that at least 60%, advantageously at least 70%, particularly advantageously at least 80% and preferably at least 90% of all cross-sections of the object along at least one Direction a surface area of a differential area of the cross section and a smallest surrounding the cross section, advantageously non-covered quadrilateral / rectangle maximum 30%, advantageously at most 20%, more preferably at most 10%, preferably at most 5% and most preferably at most 3% of the area of the quadrilateral / Rectangles is.
- the section is formed cuboid.
- the section comprises at least a major part of the Holmelements and
- the spar element in particular the entire spar element.
- "rectangular" should in principle also include geometric shapes that correspond to rectangles with rounded and / or beveled corners.
- the spar element is of cuboid design, with rounded and / or chamfered edges in particular being also conceivable Rounding or a corresponding bevel can be reduced in particular a notch effect.
- the spar member may also have a cross-section that of a
- the cross section may be one of a Rectangle be different quadrilateral, such as a parallelogram with different internal angles of 90 ° or a trapezoid or any, advantageously not-covered square.
- a material thickness of the Holmelements corresponds to a material thickness of the connection element.
- the rail element and the connecting element in the connecting region along the axis of rotation at least substantially identical
- connection element goes seamlessly into the
- the connecting element in particular in a view perpendicular to the axis of rotation, an at least substantially constant material thickness.
- the material thickness of the attachment element preferably corresponds to a material thickness of the portion of the tie-down element which has an at least substantially quadrangular cross-section.
- connection element and the spar member are made of a common plate-like workpiece, in particular a sheet or plate, advantageously a metal sheet or a metal plate.
- the plate-like workpiece has in particular the same material as the carrier unit and may, for example, at least partially, in particular completely, from be formed of a plastic or a composite material.
- the entire carrier unit is made of the plate-like workpiece.
- the spar member and the connecting element advantageously the entire carrier unit or at least one corresponding blank are formed as a common flat part, for example as a Thomasflachteil or as a stamped flat part.
- a cost-effective manufacturability can advantageously be achieved.
- this can be a high flexibility in terms
- the connecting element forms at least one connecting flange, which is provided for the particular releasable connection to a shaft flange, in particular a shaft flange of the drive shaft. It is advantageous
- the attachment element has a particular
- connection between the connecting element and the drive shaft at least one force screw and / or at least one
- connection element is provided to at least one clamping connection with the
- connection element is glued to the drive shaft.
- the spar element has a tapered cross-section in at least one direction.
- the cross section of the Holmelements tapers in an advantageous radially extending direction away from the connection element.
- the rail element has at least one first section with a constant, in particular at least substantially rectangular cross-section, which is particularly advantageously adjacent to the connection element.
- the spar element has at least one second section with a, in particular at least substantially rectangular, tapering cross section. It is conceivable that the first section and the second section adjoin one another.
- the spar member has at least a third portion with a particular at least substantially rectangular constant cross section, which is smaller than a cross section of the first
- Section It is conceivable that the second section and the third section adjoin one another. This can advantageously be adapted to a geometry of a load. In particular, this can be a flexible to a
- the spar element is formed twisted at least in sections, for example at an angle of at least 5 ° or at least 10 ° or at least 15 ° or at least 20 ° or at least 30 ° or at least 45 ° or at least 60 ° or at least 75 ° or at a larger angle.
- the spar member at least a first portion, with respect to the
- Tying element is aligned straight.
- the spar member at least a second portion, with respect to the
- Tied connection element is arranged.
- the second, tilted portion is provided for attachment of the stirring blade, so that this is advantageously aligned with a stirring with respect to a stirring direction employed.
- the spar is cut out / punched out of the plate-like
- an angle of attack of a stirring blade can advantageously be adapted in a simple and / or cost-effective and / or variable manner.
- the stirring device comprises at least one stirring blade, which is connected to the rail element.
- the carrier unit comprises at least one, in particular the spar member
- the stirring device comprises at least one further stirring blade attached to the second beam element.
- the stirring device per strut element at least one, advantageously exactly one attached to the corresponding spar member stirring blade.
- the carrier unit comprises exactly two bar elements and the stirring device has exactly two stirring blades, which are advantageously fastened to one of the bar elements. It is conceivable that the stirring device has a plurality of carrier units arranged in particular one above the other.
- a stirring device with a total of N stirring blades can advantageously comprise a number of N / 2 carrier units each having two stirring blades, which are particularly advantageously arranged at equal angles to one another, for example at angles of 720 ° / N, the stirring blades in particular in this case in a view parallel to the axis of rotation on a circle, preferably arranged at regular intervals.
- lower carrier units are designed such that they are fastened and / or attachable in a middle region, in particular in a region of their respective attachment element, to a respectively arranged carrier unit and / or to the drive shaft.
- the carrier unit comprises three or four or five or six or more beam elements and advantageously a corresponding number of stirring blades. This can be an easy to produce geometry to be provided. Furthermore, properties relating to stirring can thereby be adapted to a requirement.
- the stirring blade is connected along a longitudinal side of the Holmelements with this.
- the stirring blade along its front longitudinal side with the
- the stirring element can be attached to the spar element
- the stirring blade has at least one in particular L-shaped outer contour, in the region of which it is connected to the rail element. It is particularly conceivable that the
- Outer contour is L-shaped, with legs of the imaginary "L” enclosing an angle other than 90 °, for example an angle, in particular considerably smaller, such as 75 ° or 60 ° or 45 ° or one,
- a longer section of the outer contour extends at least substantially parallel to a main extension direction of the Holmelements.
- the longer portion of the outer contour preferably over its entire length, abuts on the longitudinal side of the Holmelements.
- the direction relative to the reference direction has a deviation in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °.
- Main extension direction of an object is to be understood in particular as meaning a direction which runs parallel to a longest edge of a smallest imaginary cuboid which just completely encloses the object
- Blade connection can be achieved.
- a front edge of the stirring blade be at least partially flush with completes at least one edge of the Holmelements.
- the front edge extends, starting from an end face of the Holmelements in a direction facing away from the connection element and in particular parallel to a main extension direction of the Holmelements.
- the front edge of the stirring blade forms an extension of the edge of the Holmelements.
- the front edge is intended to be arranged at the front with stirring in the stirring direction.
- the stirring blade and the spar member are connected to one another at an end face of the Holmelements.
- the stirring blade abuts with a shorter portion of the particular L-shaped outer contour, preferably over its entire length, on the end face of the Holmelements.
- the stirring blade along the outer contour is connected to the spar member.
- the stirring blade is welded along its outer contour to the spar member, in particular along the entire length of the outer contour.
- the spar member and the stirring blade are integrally connected to each other.
- a material thickness of the stirring blade at least substantially corresponds to a material thickness of the Holmelements. It is conceivable that the carrier unit has above and / or below the Holmelements advantageous plate-like and / or flat reinforcing elements, in particular parallel to a
- the entire stirring device is made of a single plate-like workpiece, from which in particular the connection element, the spar member and the stirring blade or all spar elements and all stirring blades of the stirring device are cut out or punched out.
- the carrier unit in particular the entire carrier unit, is formed by a layer structure with at least two metal sheets. For example, several sheets
- the carrier unit may comprise a central plate, which forms the rail element and the connection element.
- the carrier unit can at least one
- Reinforcing plate which reinforces the central plate, preferably in a region of the connecting element and / or in an area of the
- the carrier unit is constructed in the manner of a plywood plate from a plurality of parallel plates. Occurring edges can be rounded or chamfered. Furthermore, can be oblique
- the invention is based on a method for producing a
- Stirring device with at least one carrier unit, the at least one Connecting element for connection to a drive shaft and at least one spar member for attachment of at least one stirring blade has.
- the attachment element and the spar element are produced from a common plate-like workpiece.
- advantageous properties can be achieved with regard to a manufacturing technology favorable production.
- a low-cost and / or easy-to-produce stirring device can be provided.
- a stirring device can be provided, which can be cut from a sheet, wherein in particular a number of necessary welding operations can be reduced and / or a strength can be increased.
- a hub and spars of a stirring device can be manufactured from a common workpiece, wherein the stirring device is advantageously seamless.
- a high degree of flexibility with regard to a connection of a stirring blade can be achieved.
- a stirring blade can be easily connected to a support spar.
- the entire carrier unit is made from the plate-like workpiece.
- a carrier unit blank is cut or punched out of the plate-like workpiece and advantageously subsequently processed, for example by chamfering and / or rounding edges.
- the recess is cut or punched out in the region of the connecting flange of the connecting element. Cutting out by means of burnout advantageously takes place, as a result of which, in particular, a need for edge processing and / or a
- any stirring blades are the Stirring device welded to the corresponding spar elements. It is also conceivable that at least one central sheet is cut out or punched out, which comprises a blank for the attachment element, the spar element and the stirring blade and in particular for the entire carrier unit as well as all
- the central sheet is bent in certain areas to form the stirring blades. It is conceivable that then reinforcing sheets cut and / or punched out and with the
- the method according to the invention can contain special method steps in which at least one of the above-described features of the stirring device according to the invention and / or of the stirring device according to the invention is generated and / or added and / or implemented,
- the stirring device according to the invention or the method according to the invention for performing a function described herein can be one of a number of individual elements and / or components mentioned herein and / or
- Fig. 2 is an upper side of the first stirring device in one
- Fig. 3 is a bottom of the first stirring device in a
- FIG. 4 shows the first stirring device in a schematic plan view
- FIG. 5 shows the first stirring device in a schematic front view
- FIG. 6 shows the first stirring device in a schematic side view
- FIG. 7 shows a top side of a second stirring device in one
- Fig. 8 is a bottom of the second stirring device in a
- FIG. 9 is a perspective view of a third stirring device
- FIG. 10 is a perspective view of a fourth stirring device
- FIG. 1 is a schematic front view of the fourth stirring device
- FIG. 12 is a top view of a fifth stirring device
- Fig. 13 is a bottom of the fifth stirring device in a
- FIG. 14 shows the fifth stirring device in a schematic front view, Fig. 15, the fifth stirring device in a schematic side view and
- Fig. 1 6 is a schematic flow diagram of a method for
- Fig. 1 shows a stirrer 44a with a first stirring device 10a in a schematic representation.
- the first stirring device 10a is formed in the present case as a stirring member.
- the first stirring device 10a is at a
- the first stirring device 10a is fixed to a shaft flange 28a of the drive shaft 16a.
- Stirring device 10a is rotatable about a rotation axis 46a.
- the stirring device 10a is intended to rotate about the rotation axis 46a when agitated.
- the rotation axis 46a extends through a center 48a of the first stirring device 10a.
- the rotation axis 46a is parallel to a longitudinal direction of the drive shaft 16a.
- FIG. 2 shows an upper side of the stirring device 10a in a perspective view.
- FIG. 3 shows a bottom side of the first stirring device 10a in a perspective view.
- Figures 4 to 6 show additional different schematic representations of the first stirring device 10a.
- the first stirring device 10a has a carrier unit 12a.
- the carrier unit 12a comprises a connection element 14a for connection to the drive shaft 16a.
- the carrier unit 12a comprises a spar element 18a for fastening at least one stirring blade 20a.
- the spar member 18a forms a spar for the stirring blade 20a.
- the spar member 18a and the connecting element 14a are integrally connected to each other.
- the carrier unit 12a is formed in one piece.
- the support unit 12a is formed of stainless steel. However, other materials and / or material combinations are also conceivable.
- the spar member 18a has a portion 22a with a at least in
- Section 22a has a rectangular cross-section. Furthermore, in the present case, the entire beam element 18a has a substantially quadrangular, in particular rectangular, cross section. At least in sections, the edges of the Holmelements 18a are chamfered.
- the carrier unit 12a comprises a further bar element 50a.
- the further spar member 50a is formed to the spar member 18a point-symmetrical with respect to the center point 48a of the stirring device 10a.
- the first stirring device 10a has the stirring blade 20a.
- the stirring blade 20a is attached to the spar member 18a. Furthermore, in the present case, the first
- Stirring device 10a on another stirring blade 52a The further stirring blade 52a is attached to the further spar member 50a.
- the further stirring blade 52a is formed with respect to the center point 48a of the first stirring device 10a point-symmetrical to the stirring blade 20a.
- Carrier unit 12a The carrier unit 12a, the stirring blade 20a and the further stirring blade 52a jointly form the stirring device 10a.
- the first stirring device 10a has in the present case a longitudinal extent of about 4 m.
- the longitudinal extent corresponds to a diameter of the stirring device 10a. But there are also other dimensions of one
- a longitudinal extent of a stirring device may be 0.1 m or 0.5 m or 1 m or 2 m or 3 m or 5 m or 6 m or even more.
- the spar member 18a has a longitudinal extent of about 1 m. But there are others too
- the attachment member 14a and the spar member 18a are made of a
- the common workpiece is a stainless steel plate. Of course, other suitable materials are conceivable.
- a thickness of the workpiece is also about 7 cm in the present case. But there are also other thicknesses conceivable, such as 0.1 cm or 1 cm or 2 cm or 4 cm or 6 cm or 8 cm or 10 cm or 15 cm or more or less, or any between the thicknesses indicated.
- the further beam element 50a is additionally produced from the common plate-like workpiece.
- the carrier unit 12a is made of the common plate-like workpiece, in particular cut or punched out.
- the beam element 18a and the connection element 14a have an at least substantially identical material thickness in a common connection region 24a. The material thickness is in the present case about 7 cm.
- the material thickness corresponds at least substantially to a thickness of the common plate-like workpiece.
- the attachment element 14a merges into the spar element 18a in the connection region 24a. Furthermore, the attachment element 14a and the spar element 18a have an at least substantially identical width in the connection region 24a. In addition, the attachment element 14a and the spar element 18a have an at least substantially identical cross section in the connection region 24a.
- the connection element 14a forms a connection flange 26a, which is provided for connection to the shaft flange 28a. In a mounted
- connection flange 26a is screwed to the shaft flange 28a.
- the spar member 18a has in at least one direction 54a a
- the direction 54a corresponds to a radial direction with respect to the axis of rotation 46a.
- the bar element 18a has a first section 56a with a constant rectangular cross-section and a second section 58a with a tapering rectangular cross section adjacent thereto.
- the stirring blade 20a is connected along a longitudinal side 30a of the Holmelements 18a with this.
- the stirring blade 20a is welded to the spar member 18a. But there are also other types of connection conceivable, as described above.
- the stirring blade 20 a has an L-shaped outer contour 60 a, which with the
- Holmelement 18a is connected.
- the L-shaped outer contour 60a is connected to a Outer contour of Holmelements adapted 18a.
- a long leg section of the outer contour 60a bears against the longitudinal side 30a of the Holmelements 18a.
- the stirring blade 20a and the spar member 18a are connected to each other at an end face 36a of the Holmelements 18a.
- the stirring blade 20a is welded to the end face 36a of the Holmelements 18a.
- FIGS. 7 to 15 show four further exemplary embodiments of the invention.
- the following descriptions and the drawings are essentially limited to the differences between the exemplary embodiments, wherein, with regard to identically named components, in particular with regard to components having the same reference numbers, in principle also to the drawings and / or the description of the other embodiments, in particular FIGS to 6, can be referenced.
- To distinguish the embodiments of the letter a is the reference numerals following the embodiments in Figures 1 to 6.
- Figures 7 to 15 is the
- the second stirring device 10b has a carrier unit 12b.
- the carrier unit 12b comprises a connection element 14b for connection to a drive shaft, not shown.
- the carrier unit 12b comprises a spar element 18b for fastening at least one stirring blade 20b.
- the second Stirring device 10b has the stirring blade 20b.
- the beam element 18b and the connection element 14b are integrally connected to each other.
- the carrier unit 12b is formed in one piece.
- the spar member 18b has a portion 22b with a at least in
- Section 22b has a rectangular cross section. Furthermore, in the present case, the entire beam element 18b has a substantially quadrangular, in particular rectangular, cross section. At least in sections, the edges of the Holmelements 18b are chamfered.
- the stirring blade 20b is rubberized in the present case.
- the agitating blade 20b is basically formed analogously to the agitating blade 20a of the embodiment of FIGS. 1 to 6 and fastened to the spar element 18b. However, in the present case, a rubber coating 62b is drawn over a metallic main body of the stirring blade 20b. Material and material thickness of the
- Rubber cover 62b and its size can be adapted to an application in a simple and / or cost-effective manner.
- FIG. 9 shows a third stirring device 10c in a perspective view
- the third stirring device 10c has a carrier unit 12c.
- the carrier unit 12c comprises a connection element 14c for connection to a drive shaft 16c.
- the carrier unit 12c comprises a spar element 18c for fastening at least one stirring blade 20c.
- the third stirring device 10c has the stirring blade 20c.
- the spar member 18c and the attachment member 14c are integrally connected to each other.
- the carrier unit 12c is formed in one piece.
- the spar member 18c has a portion 22c with an at least in
- Section 22c has a rectangular cross section. Furthermore, in the present case, the entire beam element 18c has a substantially quadrangular, in particular rectangular cross section. At least in sections, the edges of the Holmelements 18 c are chamfered.
- the spar member 18c is cuboid.
- a cross section of the Holmelements 18c is constant.
- Holmelements 18c is unchanged along a longitudinal direction 64c of the Holmelements 18c.
- the longitudinal direction 64c of the Holmelements 18c corresponds to a radial direction.
- the carrier unit 12c can be cut or punched out of a plate-like workpiece, advantageously without having to make a chamfer at specific locations.
- FIGS. 10 and 11 show different representations of a fourth stirring device 10d.
- the fourth stirring device 10d has a carrier unit 12d.
- the carrier unit 12d comprises a connection element 14d for connection to a drive shaft (not shown).
- the carrier unit 12d comprises a spar element 18d for fastening at least one stirring blade 20d.
- the fourth stirring device 10d has the stirring blade 20d.
- the spar member 18d and the connection element 14d are integrally connected to each other.
- the carrier unit 12d is integrally formed.
- the spar member 18d has a portion 22d with an at least in
- Section 22d has a rectangular cross section. Furthermore, in the present case, the entire beam element 18d has a substantially quadrangular, in particular rectangular, cross section. At least in sections, the edges of the Holmelements 18d are chamfered. At least part of the support unit 12d is formed by a layer structure 38d with at least two sheets 40d, 42d, 43d. In the present case, the entire carrier unit 12d is formed by the layer structure 38d. Furthermore, in the present case, the layer structure 38d comprises a first sheet 40d, a second sheet 42d and a third sheet 43d. The sheets 40d, 42d, 43d are made of stainless steel educated. The second plate 42d is formed in the present case as a central plate. The second plate 42d has the attachment element 14d and the spar element 18d.
- the first plate 40d is formed as an upper reinforcing plate.
- the third plate 43d is formed as a lower reinforcing plate.
- the first sheet 40d and the third sheet 43d each have further beam elements 66d, 68d and further connection elements 70d, 72d.
- the spar elements 18d, 66d, 68d together form a spar 74d of the carrier unit 1 2d.
- the carrier unit 12d is constructed in the manner of a plywood plate from the sheets 40d, 42d, 43d.
- the spar member 18d and the stirring blade 20d are integrally connected to each other.
- the stirring blade 20d is part of the second sheet 42d.
- the first plate 40d, the second plate 42d and the third plate 43d are cut or punched out of an output plate. If necessary, corners can be rounded or chamfered.
- the sheets 40d, 42d, 43d are arranged one above the other and glued together and / or welded and / or screwed and / or riveted.
- the second plate 42d is selectively deformed to form the stirring blade 20d.
- the stirring blade 20d is curved out of a plane of the handle member 18d and the attachment member 14d.
- Figures 12 to 15 show different representations of a fifth
- the fifth stirring device 10e has a carrier unit 12e.
- the carrier unit 12e comprises a connection element 14e for connection to a drive shaft (not shown). Further, the carrier unit 12e includes
- the spar member 18e and the attachment member 14e are integrally connected.
- the carrier unit 12e is formed in one piece.
- the spar member 18e has a portion 22e with a at least in
- Section 22e has a rectangular cross section.
- the spar member 18e is formed at least partially twisted.
- the spar member 18e is twisted in a connecting region 78e to the connecting element 14e.
- the connecting portion 78e corresponds to a torsion region.
- a straight portion 80e of the handle member 18e abuts on the connecting portion 78e.
- Holmelements 18e is rotated relative to the connection element 14e by about 20 °. As indicated above, however, other angles are conceivable.
- An attached stirring blade is set under stirring due to the torsion region of the support unit 12e.
- An employment of a stirring blade can be made by adjusting a Kord michswinkels in a simple manner.
- the carrier unit 12e is for example by a cut or a
- FIG. 16 shows a schematic flow diagram of a method for producing a stirring device, for example one of the stirring devices of the preceding embodiments.
- the stirring device has a
- Carrier unit which is a connection element for connection to a
- a common plate-like workpiece for example a sheet, of a suitable thickness is provided.
- a second method step 84f the second method step 84f
- a carrier unit blank is cut out of the workpiece.
- the carrier unit blank is reworked in order to produce the carrier unit and in particular the stirring device.
- edges of the carrier unit may be rounded off and / or be chastised. It is also conceivable that in the third method step
- Step 86f stirring blades welded to the carrier unit and / or stirring blades are made by bending a sheet.
- the third method step 86f comprises a plurality of corresponding substeps.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Accessories For Mixers (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016115046.0A DE102016115046A1 (de) | 2016-08-12 | 2016-08-12 | Rührvorrichtung und Verfahren |
PCT/EP2017/070404 WO2018029332A2 (de) | 2016-08-12 | 2017-08-11 | Rührvorrichtung und verfahren |
Publications (1)
Publication Number | Publication Date |
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EP3496846A2 true EP3496846A2 (de) | 2019-06-19 |
Family
ID=59593088
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP17751742.2A Pending EP3496846A2 (de) | 2016-08-12 | 2017-08-11 | Rührvorrichtung und verfahren |
Country Status (9)
Country | Link |
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US (1) | US11420166B2 (de) |
EP (1) | EP3496846A2 (de) |
JP (1) | JP2019524438A (de) |
CN (1) | CN109715278A (de) |
AU (1) | AU2017310010B2 (de) |
CA (1) | CA3033891A1 (de) |
DE (1) | DE102016115046A1 (de) |
RU (1) | RU2736040C2 (de) |
WO (1) | WO2018029332A2 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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US12016493B2 (en) | 2020-12-31 | 2024-06-25 | Sharkninja Operating Llc | Micro puree machine |
US11641978B2 (en) | 2020-12-31 | 2023-05-09 | Sharkninja Operating Llc | Micro puree machine |
USD985334S1 (en) | 2020-12-31 | 2023-05-09 | Sharkninja Operating Llc | Nested bowl for a micro puree machine |
US20220202248A1 (en) | 2020-12-31 | 2022-06-30 | Sharkninja Operating Llc | Micro puree machine |
US11154163B1 (en) | 2020-12-31 | 2021-10-26 | Sharkninja Operating Llc | Micro puree machine |
US11925298B2 (en) | 2020-12-31 | 2024-03-12 | Sharkninja Operating Llc | Micro puree machine |
USD983603S1 (en) | 2020-12-31 | 2023-04-18 | Sharkninja Operating Llc | Blade for a micro puree machine |
US12016496B2 (en) | 2020-12-31 | 2024-06-25 | Sharkninja Operating Llc | Micro puree machine |
USD985331S1 (en) | 2020-12-31 | 2023-05-09 | Sharkninja Operating Llc | Housing for a micro puree machine |
US11871765B2 (en) | 2020-12-31 | 2024-01-16 | Sharkninja Operating Llc | Micro puree machine |
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CH690835A5 (de) * | 1997-10-25 | 2001-02-15 | Schweizer Ag Maschinenfabrik | Rührwerk zum Anregen einer Güllen-Zirkulation in einem Güllenkasten. |
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DE102014110542A1 (de) * | 2014-07-25 | 2016-01-28 | EKATO Rühr- und Mischtechnik GmbH | Rührorganvorrichtung |
-
2016
- 2016-08-12 DE DE102016115046.0A patent/DE102016115046A1/de active Pending
-
2017
- 2017-08-11 WO PCT/EP2017/070404 patent/WO2018029332A2/de unknown
- 2017-08-11 JP JP2019507300A patent/JP2019524438A/ja active Pending
- 2017-08-11 CA CA3033891A patent/CA3033891A1/en active Pending
- 2017-08-11 AU AU2017310010A patent/AU2017310010B2/en active Active
- 2017-08-11 US US16/324,405 patent/US11420166B2/en active Active
- 2017-08-11 CN CN201780057103.3A patent/CN109715278A/zh active Pending
- 2017-08-11 EP EP17751742.2A patent/EP3496846A2/de active Pending
- 2017-08-11 RU RU2019106313A patent/RU2736040C2/ru active
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AU2017310010B2 (en) | 2022-09-08 |
CA3033891A1 (en) | 2018-02-15 |
CN109715278A (zh) | 2019-05-03 |
RU2019106313A3 (de) | 2020-09-18 |
DE102016115046A1 (de) | 2018-02-15 |
RU2019106313A (ru) | 2020-09-14 |
US11420166B2 (en) | 2022-08-23 |
WO2018029332A3 (de) | 2018-04-19 |
AU2017310010A1 (en) | 2019-03-07 |
JP2019524438A (ja) | 2019-09-05 |
RU2736040C2 (ru) | 2020-11-11 |
WO2018029332A2 (de) | 2018-02-15 |
US20190176105A1 (en) | 2019-06-13 |
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