EP2364770A1 - Outil pour dispositif de mélange - Google Patents

Outil pour dispositif de mélange Download PDF

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Publication number
EP2364770A1
EP2364770A1 EP11001604A EP11001604A EP2364770A1 EP 2364770 A1 EP2364770 A1 EP 2364770A1 EP 11001604 A EP11001604 A EP 11001604A EP 11001604 A EP11001604 A EP 11001604A EP 2364770 A1 EP2364770 A1 EP 2364770A1
Authority
EP
European Patent Office
Prior art keywords
mixing
strut
tool
tool according
mixing blade
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.)
Granted
Application number
EP11001604A
Other languages
German (de)
English (en)
Other versions
EP2364770B1 (fr
Inventor
Guido Egler
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.)
TEKA Maschinenbau GmbH
Original Assignee
TEKA 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
Application filed by TEKA Maschinenbau GmbH filed Critical TEKA Maschinenbau GmbH
Priority to PL11001604T priority Critical patent/PL2364770T3/pl
Publication of EP2364770A1 publication Critical patent/EP2364770A1/fr
Application granted granted Critical
Publication of EP2364770B1 publication Critical patent/EP2364770B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
    • B01F27/0725—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis on the free end of the rotating axis
    • 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
    • B01F27/0724—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis directly mounted on the rotating axis
    • 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
    • B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
    • B01F27/1123—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades sickle-shaped, i.e. curved in at least one direction

Definitions

  • the present invention relates to a tool for a mixing device, in particular for a mixing device for mixing solids.
  • Mixers for mixing solids, in particular for producing hydraulically bound substances, such as concrete or mortar, are known in a number of different designs.
  • Homogeneity is an essential prerequisite for the production of specification-compliant products with constant product quality.
  • such mixers generally also employ stripping devices with which the caking or sticking of the material to be mixed on the bottom surface or the sidewalls of the mixer is to be prevented.
  • swirlers are used, with which the mixing effect is to be strengthened. These are generally arranged so that they have an effect where the Mischgutströmung has calmed down by the action of the actual mixing tool again so far that the Mischgutströmung runs substantially parallel, which does not have a good mixing at these points result.
  • mixing or whirling tools which have rectangular or square cross-sections.
  • Such tools have the disadvantage that they produce a flow shadow.
  • the material is possible for the material to be caked or glued from the mix. If such material at a later time dissolves again and falls back into the material to be mixed, this can lead to inhomogeneities in the composition of the final product and thus to specification not compliant products.
  • This problem is particularly serious when, in the meantime, a product change has taken place, i. in the mixer another product, for example, to be produced with a different color. Solvents from a previous product batch lead to color changes in the product that are not accepted by the customer. The human eye is very sensitive to even minor color changes.
  • Wirblerwerkmaschinee which have a body in the form of a pyramid or a truncated pyramid with polygonal base.
  • these tools have the shape of a downwardly open bell, so that the fastening elements, with which the swirler tools are attached to the support arm, can be arranged inside the body of the swirler tool. Due to the downwardly open shape, these fasteners are accessible for a change.
  • the whirling tools according to the DE 198 05 639 not fully satisfactory in terms of flexibility in changing the product and replacing the swirler tools. Since such tools are typical wearing parts of such mixers, which must be replaced regularly, the easy change is also an important criterion to avoid long and expensive downtime of the mixer.
  • the tool according to the invention has a central shaft with a substantially at right angles arranged strut.
  • the so-called planetary mixers frequently used in the production of concrete or mortar or comparable materials typically have a drive with a motor and gear unit above the mixing trough.
  • the gearbox usually has a slow-moving part, often referred to as a rotor, and a faster rotating part integrated in the rotor, often referred to as a star.
  • this so-called star is moved by the rotor of the gearbox around the center of the mixer.
  • At the star of the gearbox is usually mounted a receptacle to attach mixing arms, at the end of which mixing blades are located, which run directly above the mixer bottom.
  • the geometric design of the mixing arms is carried out in many, sometimes complex, variations in order to achieve a good mixing effect.
  • the tools according to the invention have a simple central shaft which, as a rule, is oriented vertically downwards in the case of a drive arranged at the top, ie it dips vertically into the mix.
  • This simple wave replaces the usual, usually built on a turnstile mixing arms, which is structurally much easier and also makes a simpler design of the transmission itself to drive the shaft possible.
  • the corresponding adaptation to the bottom of the mixing device is achieved in part by replacing the mixing blades or by elaborately sealed designs in which the height adjustment is effected by moving parts which are in the region of the mixed material.
  • the tool according to the invention is structurally much simpler and easier to maintain, since it has neither moving parts in the mixed material nor fastening or adjustment devices are required that could come into contact with the mix and may be prone to contamination. Dirt leads to malfunctions, which in turn result in downtime, which is undesirable for economic reasons.
  • the drive device With the central shaft, the drive device is suitably connected in a force-transmitting manner, whereby the tool according to the invention is moved through the mix.
  • the structural design of the connection of shaft and drive device can be done in a conventional manner and those skilled in the relevant possibilities are known here. A detailed description in this context is therefore dispensable at this point.
  • a strut is arranged substantially at right angles thereto, which is correspondingly horizontal and quasi parallel to the bottom of the mixing device with vertical installation of the shaft in the mixing device.
  • a strut is arranged substantially at right angles thereto, which is correspondingly horizontal and quasi parallel to the bottom of the mixing device with vertical installation of the shaft in the mixing device.
  • deviations of the angle of the main axes of the shaft and strut of 90 ° are possible to a small extent (usually less than 10 °, preferably less than 5 °), as far as the geometric design of the mixer bottom permits.
  • the longitudinal axis of the strut is exactly at right angles to the longitudinal axis of the central shaft.
  • the desired good mixing usually requires an arrangement of mixing blades immediately above the bottom of the mixer, which requires a parallelism of the strut to the mixer bottom, if the strut at both ends has a mixing blade or forms a mixing blade.
  • This in turn requires a perpendicularity of the longitudinal axis of the strut to the longitudinal axis of the central shaft, if it is to be installed in the simple manner described above.
  • the central shaft and the strut disposed thereon are particularly advantageously designed in one piece, i. are made from a one-piece blank by appropriate design (e.g., by machining or the like).
  • This construction eliminates fastening devices for fastening the strut to the central shaft, which could reach the flow area of the mixed material during operation and may accordingly be prone to contamination. In such places, the unwanted caking and deposits mentioned in the introduction are particularly easy to form. In principle, however, it is also possible to attach the strut with corresponding hidden and not exposed to the influence of the mix fasteners on the shaft.
  • At least one of the shaft remove end of the strut at least one mixing blade is arranged or the strut itself forms such a mixing blade.
  • a mixing blade or is formed there is arranged in the context of the present invention.
  • the mixing blade is designed without fastening devices located in the region of the mixed material. This can basically be achieved by attaching a mixing blade with a corresponding geometric design (see below) to the strut by gluing or welding. In contrast to screwing or the like arise during bonding or welding no lying in the range of the mixed material attack points by fastening devices that tend to caking or sticking of the mix.
  • the mixing blades are integrally formed with the strut, i. Strut and mixing blade made from a workpiece.
  • the risk of detachment of the mixing blade during the mixing process, where significant mechanical loads occur on the mixing blade, is thereby avoided.
  • the welding process will adversely affect the microstructure of the material, which may adversely affect strength and abrasion resistance.
  • At least one mixing blade of the tool according to the invention has a bend on the outer section relative to the central shaft. This bend is round, preferably designed approximately circular. This configuration of the mixing blade ensures that the mix is collected from the center of the mixer and can be distributed with momentum in the region of the outermost, reachable by the inventive tool radius of the mixing device over the entire mixer surface.
  • each having a mixing blade at each end of the strut the bend is advantageously designed so that the bending direction of the two mixing blades is in the opposite direction relative to the main vertical plane of the strut.
  • the mixing blade is designed "outward" towards the outside, i. the vertical height of the mixing blade at the outer end remote from the shaft is greater than at the part of the strut closest to the shaft at which the design of the mixing blade begins.
  • the pitch can basically be designed arbitrarily, but it is preferred if this is done without the formation of edges or comparable transitions, as these in turn could negatively affect the mixing effect.
  • the pitch is concave or convex, more preferably approximately circular or circular.
  • the throwing and self-cleaning performance of the tool according to the invention is further improved.
  • At least one inner region of the strut has at least one lateral surface running obliquely to the vertical plane of the strut.
  • a particularly preferred embodiment of the tool according to the invention is characterized in that at least one, preferably all inner regions of the strut, which are occupied as above, have two lateral surfaces extending at different obliquely to the vertical plane of the strut.
  • the slope of a lateral surface directed downward to the vertical plane of the strut, while the slope of the second lateral surface can be directed upward to the vertical plane of the strut.
  • the lateral surfaces oriented obliquely to the vertical plane form a pyramidal structure.
  • a particularly preferred embodiment of the tool according to the invention is in Fig. 3 presented in a spatial perspective.
  • the strut is designed so that in an inner region between mixing blade and central shaft at the bottom, the bottom of the mixing device associated side of the strut creates a passage through which the mix can dwell during mixing in the center of the tool or but can flow slowly under the strut.
  • the self-cleaning performance of the tool according to the invention can be improved. This is achieved most easily by the fact that at least one inner region of the strut has a greater distance from the mixer bottom at its underside facing the mixing bottom compared to the region formed by the mixing blade (s) than the mixing blade (s).
  • this recession can be seen on the underside of the strut of the tool according to the invention.
  • FIG. 1 is to recognize the central shaft 1, on which the strut with inner portions 3 and 3 'of the strut and mixing blades 4 and 4' of the strut are arranged.
  • the mixing blades are constructed rising outwards, wherein the slope is designed in a round or circular shape.
  • the center of the imaginary circle, which is determined by the bend, is the vertical extension of the line through the point of the inner region where the bending of the mixing blade begins.
  • FIG. 1 is still the preferred embodiment of the mixer bottom facing bottom of the strut with a return to recognize.
  • the mixing blades pass along the mixer bottom, while in the inner area 3 or 3' of the strut a passage of the type described is formed. Good to see is the design of the return without edges, in the example circular.
  • the reference numerals 5 and 5 ' designate inclined lateral surfaces of the inner region 3 or 3'.
  • FIG. 2 shows the tool according to the invention FIG. 1 in plan view from above, which is clearly seen that the two ends of the strut have a bend in the opposite direction to the vertical main plane of the strut. Schematically also to recognize the oblique lateral surfaces in the inner regions of the strut.
  • FIG. 3 Finally, a spatially perspective view of the tool according to the invention after FIG. 1 or 2.
  • the central shaft 1 has a cylindrical cross-section and is integrally formed with the strut.
  • the section along the mixer bottom 2 of the strut can be seen as well as the slope and the bending of the mixing blade 4 and 4 '.
  • the oblique lateral surfaces 5 and% ' are also clearly visible in this illustration.
  • the tool according to the invention is suitable for installation in virtually all mixing devices, as they are customary for the production of concrete or mortar or comparable materials and described in various versions in the literature and are commercially available. Only, for example, its here the group of so-called plate mixers mentioned and among these in particular the so-called planetary mixer with an arranged above the mixing trough motor and gear unit as already mentioned in the above description. The structural design of such mixer is known in the art and therefore need not be described in detail at this point. The installation of the tool and the power transmitting connection with engine and transmission unit requires no further description here.
  • the tool according to the invention By the tool according to the invention, a good introduction of the mixing energy can be achieved in the mix and a good mixing quality can be achieved even with very different levels of the mixer. Due to the small storage surfaces and the high self-cleaning performance of the tool according to the invention, which is achieved in that not only a mixing effect in the horizontal direction during mixing, but also a material flow in the vertical direction is achieved, represent significant advantages in the practical application of the tool according to the invention Due to the flow of material in the vertical direction, which is achieved in particular by inclined lateral surfaces as described above, the mixture is overflowed by the mixture during the mixing process, which leads to corresponding material movement on the back of the tool and thus prevents caking and sticking to the back.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
EP11001604.5A 2010-03-11 2011-02-28 Outil pour dispositif de mélange Active EP2364770B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11001604T PL2364770T3 (pl) 2010-03-11 2011-02-28 Narzędzie do urządzenia mieszającego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010011113A DE102010011113A1 (de) 2010-03-11 2010-03-11 Werkzeug für Mischvorrichtung

Publications (2)

Publication Number Publication Date
EP2364770A1 true EP2364770A1 (fr) 2011-09-14
EP2364770B1 EP2364770B1 (fr) 2016-10-05

Family

ID=44148319

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11001604.5A Active EP2364770B1 (fr) 2010-03-11 2011-02-28 Outil pour dispositif de mélange

Country Status (6)

Country Link
EP (1) EP2364770B1 (fr)
DE (1) DE102010011113A1 (fr)
DK (1) DK2364770T3 (fr)
ES (1) ES2608674T3 (fr)
PL (1) PL2364770T3 (fr)
PT (1) PT2364770T (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014074078A1 (fr) * 2012-11-09 2014-05-15 Koca Insaat Sanayi Ve Ihracat Anonim Sirketi Mélangeur de matériau en poudre superfin comprenant de multiples ailes courbes
EP3278870A1 (fr) * 2016-08-05 2018-02-07 TEKA Maschinenbau GmbH Cuve de mélange pour un dispositif de mélange
EP3278871A1 (fr) * 2016-08-05 2018-02-07 TEKA Maschinenbau GmbH Agencement de godets mélangeurs dans un dispositif de mélange
DE102016115046A1 (de) * 2016-08-12 2018-02-15 EKATO Rühr- und Mischtechnik GmbH Rührvorrichtung und Verfahren
CN108479580A (zh) * 2018-05-29 2018-09-04 湖州荣胜生物科技股份有限公司 一种大豆卵磷脂搅拌装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2860465T3 (es) * 2014-04-04 2021-10-05 Milton Roy Europe Móvil de agitación

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE910244C (de) * 1952-04-18 1954-04-29 Kabel Vogel & Schemmann Ag Mischmaschine, insbesondere fuer OElsand
DE2951937A1 (de) * 1979-09-17 1981-04-02 Sybron Corp., 14604 Rochester, N.Y. Impellerruehrer
JPS5867328A (ja) * 1981-10-17 1983-04-21 Tanezo Yamazaki 練和方法及びその練和装置
EP0079396A1 (fr) * 1981-11-12 1983-05-25 Hans Kimmel Hélices pour mélangeur et agitateur rotatif
JPH04235728A (ja) * 1991-01-11 1992-08-24 Satake Kagaku Kikai Kogyo Kk 高粘度液体用攪拌翼
DE19640770A1 (de) 1996-10-02 1998-04-16 Mitec Middeldorf Gmbh & Co Kg Schaufel für rotierende Rührwerke
DE19805639A1 (de) 1998-02-12 1999-08-19 Verschleis Technik Dr Ing Hans Wirblerwerkzeug sowie Wirbler mit einem derartigen Wirblerwerkzeug
US6652137B1 (en) * 2000-03-16 2003-11-25 Charles Ross & Son Company Stirrer for a planetary mixer and a planetary mixer incorporating the stirrer
WO2004054697A1 (fr) * 2002-12-18 2004-07-01 Kissh Innovations Pty. Ltd. Agitateur n forme de s
DE202006014313U1 (de) * 2006-03-03 2007-02-01 Collomix Rühr- und Mischgeräte GmbH Mischvorrichtung sowie Mischwerkzeug
WO2009099218A1 (fr) * 2008-02-08 2009-08-13 Kanagawa Academy Of Science And Technology Procédé d'hydrolyse de polysaccharide et son appareil d'agitation
DE202010003490U1 (de) * 2010-03-11 2010-06-10 Teka Maschinenbau Gmbh Werkzeug für Mischvorrichtung
WO2010108388A1 (fr) * 2009-03-23 2010-09-30 沈如华 Engrenage pour agitateur de peinture à crémaillère utilisant des engrenages coniques

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US4190369A (en) * 1976-10-13 1980-02-26 National Engineering Company Method and apparatus for making molds
US4601583A (en) * 1985-01-28 1986-07-22 Kennecott Corporation Multi-hubbed separable blade agitators
US7887230B2 (en) * 2006-12-01 2011-02-15 United States Gypsum Company Mixer having S-shaped paddles for mixing viscous materials

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE910244C (de) * 1952-04-18 1954-04-29 Kabel Vogel & Schemmann Ag Mischmaschine, insbesondere fuer OElsand
DE2951937A1 (de) * 1979-09-17 1981-04-02 Sybron Corp., 14604 Rochester, N.Y. Impellerruehrer
JPS5867328A (ja) * 1981-10-17 1983-04-21 Tanezo Yamazaki 練和方法及びその練和装置
EP0079396A1 (fr) * 1981-11-12 1983-05-25 Hans Kimmel Hélices pour mélangeur et agitateur rotatif
JPH04235728A (ja) * 1991-01-11 1992-08-24 Satake Kagaku Kikai Kogyo Kk 高粘度液体用攪拌翼
DE19640770A1 (de) 1996-10-02 1998-04-16 Mitec Middeldorf Gmbh & Co Kg Schaufel für rotierende Rührwerke
DE19805639A1 (de) 1998-02-12 1999-08-19 Verschleis Technik Dr Ing Hans Wirblerwerkzeug sowie Wirbler mit einem derartigen Wirblerwerkzeug
US6652137B1 (en) * 2000-03-16 2003-11-25 Charles Ross & Son Company Stirrer for a planetary mixer and a planetary mixer incorporating the stirrer
WO2004054697A1 (fr) * 2002-12-18 2004-07-01 Kissh Innovations Pty. Ltd. Agitateur n forme de s
DE202006014313U1 (de) * 2006-03-03 2007-02-01 Collomix Rühr- und Mischgeräte GmbH Mischvorrichtung sowie Mischwerkzeug
WO2009099218A1 (fr) * 2008-02-08 2009-08-13 Kanagawa Academy Of Science And Technology Procédé d'hydrolyse de polysaccharide et son appareil d'agitation
WO2010108388A1 (fr) * 2009-03-23 2010-09-30 沈如华 Engrenage pour agitateur de peinture à crémaillère utilisant des engrenages coniques
DE202010003490U1 (de) * 2010-03-11 2010-06-10 Teka Maschinenbau Gmbh Werkzeug für Mischvorrichtung

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014074078A1 (fr) * 2012-11-09 2014-05-15 Koca Insaat Sanayi Ve Ihracat Anonim Sirketi Mélangeur de matériau en poudre superfin comprenant de multiples ailes courbes
EP3278870A1 (fr) * 2016-08-05 2018-02-07 TEKA Maschinenbau GmbH Cuve de mélange pour un dispositif de mélange
EP3278871A1 (fr) * 2016-08-05 2018-02-07 TEKA Maschinenbau GmbH Agencement de godets mélangeurs dans un dispositif de mélange
DE102016115046A1 (de) * 2016-08-12 2018-02-15 EKATO Rühr- und Mischtechnik GmbH Rührvorrichtung und Verfahren
WO2018029332A3 (fr) * 2016-08-12 2018-04-19 EKATO Rühr- und Mischtechnik GmbH Dispositif agitateur et procédé
CN109715278A (zh) * 2016-08-12 2019-05-03 艾卡多搅拌及混合工程有限公司 搅拌装置和方法
JP2019524438A (ja) * 2016-08-12 2019-09-05 エカート リューア− ウント ミッシュテヒニク ゲーエムベーハーＥＫＡＴＯ Ｒｕｅｈｒ− ｕｎｄ Ｍｉｓｃｈｔｅｃｈｎｉｋ ＧｍｂＨ 撹拌装置および方法
RU2736040C2 (ru) * 2016-08-12 2020-11-11 Экато Рюр- Унд Миштехник Гмбх Перемешивающее устройство и способ его изготовления
US11420166B2 (en) * 2016-08-12 2022-08-23 EKATO Rühr- und Mischtechnik GmbH Agitator device and method
AU2017310010B2 (en) * 2016-08-12 2022-09-08 EKATO Rühr- und Mischtechnik GmbH Agitator device and method
CN108479580A (zh) * 2018-05-29 2018-09-04 湖州荣胜生物科技股份有限公司 一种大豆卵磷脂搅拌装置

Also Published As

Publication number Publication date
PT2364770T (pt) 2017-01-02
ES2608674T3 (es) 2017-04-12
DK2364770T3 (en) 2017-01-23
PL2364770T3 (pl) 2017-04-28
EP2364770B1 (fr) 2016-10-05
DE102010011113A1 (de) 2011-09-15

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