EP1477218A2 - Lame de mélange avec embout démontable - Google Patents

Lame de mélange avec embout démontable Download PDF

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Publication number
EP1477218A2
EP1477218A2 EP04005949A EP04005949A EP1477218A2 EP 1477218 A2 EP1477218 A2 EP 1477218A2 EP 04005949 A EP04005949 A EP 04005949A EP 04005949 A EP04005949 A EP 04005949A EP 1477218 A2 EP1477218 A2 EP 1477218A2
Authority
EP
European Patent Office
Prior art keywords
mixing blade
end piece
mixing
blade according
base body
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
EP04005949A
Other languages
German (de)
English (en)
Other versions
EP1477218A3 (fr
EP1477218B1 (fr
Inventor
Martin Dörr
Stefan Dr. Gerl
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.)
Maschinenfabrik Gustav Eirich GmbH and Co KG
Original Assignee
Maschinenfabrik Gustav Eirich GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Maschinenfabrik Gustav Eirich GmbH and Co KG filed Critical Maschinenfabrik Gustav Eirich GmbH and Co KG
Priority to PL04005949T priority Critical patent/PL1477218T3/pl
Publication of EP1477218A2 publication Critical patent/EP1477218A2/fr
Publication of EP1477218A3 publication Critical patent/EP1477218A3/fr
Application granted granted Critical
Publication of EP1477218B1 publication Critical patent/EP1477218B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B01F27/051—Stirrers characterised by their elements, materials or mechanical properties
    • B01F27/052—Stirrers with replaceable wearing elements; Wearing elements therefor
    • 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
    • B01F27/051—Stirrers characterised by their elements, materials or mechanical properties
    • 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
    • B01F27/09—Stirrers characterised by the mounting of the stirrers with respect to the receptacle
    • B01F27/091—Stirrers characterised by the mounting of the stirrers with respect to the receptacle with elements co-operating with receptacle wall or bottom, e.g. for scraping the receptacle wall
    • 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
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F29/00—Mixers with rotating receptacles
    • B01F29/80—Mixers with rotating receptacles rotating about a substantially vertical axis
    • B01F29/83—Mixers with rotating receptacles rotating about a substantially vertical axis with rotary paddles or arms, e.g. movable out of the receptacle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2215/00—Auxiliary or complementary information in relation with mixing
    • B01F2215/04—Technical information in relation with mixing
    • B01F2215/0413—Numerical information
    • B01F2215/0418—Geometrical information
    • B01F2215/0422—Numerical values of angles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2215/00—Auxiliary or complementary information in relation with mixing
    • B01F2215/04—Technical information in relation with mixing
    • B01F2215/0413—Numerical information
    • B01F2215/0418—Geometrical information
    • B01F2215/0431—Numerical size values, e.g. diameter of a hole or conduit, area, volume, length, width, or ratios thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/60—Mixing solids with solids
    • 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
    • B01F27/1121—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades pin-shaped
    • 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
    • B01F35/50—Mixing receptacles
    • B01F35/512—Mixing receptacles characterised by surface properties, e.g. coated or rough

Definitions

  • the invention relates to a device for mixing in particular granular, abrasive materials, with a central rotor shaft and attached to the rotor shaft and radially from this extending mixing blades.
  • the present invention relates to a mixing blade and a Blend tail for such a device.
  • mixers are one or more perpendicular to the mixing vessel bottom arranged mixer shafts arranged with arranged in several planes, radially occidentalrekkenden, Mischhoffln are known.
  • the mixing blades have a preferably rectangular Cross section with a wedge-shaped taper or knife-like bevel in the forward direction, in order to give the material to be treated an axial flow during penetration. At after At the top, the material to be treated is loosened, while at the bottom directional bevel is compressed.
  • the mixing blade body is made in one piece and is made of relatively soft material such as e.g. Made of mild steel.
  • relatively soft material such as e.g. Made of mild steel.
  • the preferably applied by surfacing armor can be made of a hard and wear resistant coating, e.g. a tungsten carbide-containing alloy or a Carbide, consist. The local thickness of the armor is thereby acting on the mixing blade adapted locally different wear forces.
  • Multi-part mixer blades in particular bottom blades, are already known from the prior art for concrete mixers, with detachable bucket nose, which is located at a radial of a mixer shaft protruding and extending over a large part of the length of the mixer blades Support arm are attached.
  • detachable wear bodies of mixing devices are also detachably connected to a carrier body known in mixing devices.
  • mixing devices for.
  • asphalt mixers known in which the mixing organs consist essentially of hammerhead-shaped end pieces, which are connected to radially from a horizontal Mixer shaft protruding round support arms are fastened with screws.
  • Mixers to which the present invention relates are two different ones Aspects of essential importance and at the same time to note.
  • the subject Mixing tools considerable wear, which over the length of a mixing blade away very can be different.
  • an optimal mixing of the given Materials can be achieved in the shortest possible time.
  • the mixing blades must flow be optimized. In addition to the actual mixing blades radially into the mix extending support arms are generally disturbing and obstructive.
  • the mixing vanes are in operation by the flowing at different speeds over it Material flows consuming consuming. They are subject to high and above all the length of the wing varying wear. They preferably wear at their outer end due to the prevailing highest peripheral speed.
  • detachable end piece (7) at least in the immediate connection at the inner portion has substantially the same cross-section as this inner Section (6) of the mixing blade.
  • the mixing blade according to the invention has a substantially rectangular cross-section to Beilspiel with one or two knife-like chamfers and an end piece which can be detached with is connected to the clamped in the mixer shaft part of the mixing blade.
  • the contour of the detachable Endpiece corresponds essentially to the contour of the main body or of the radially inner Section of the mixing blade at its transition to the tail.
  • the cross section of the mixing blade becomes substantially perpendicular to a pointing in the direction of the mixing blade radius vector measured by the rotor
  • the mixing blade extends from one near the wave of the area lying to his End (including the end piece) with a desired, predetermined profile without additional disturbing support arms.
  • any support arms, which are attached directly to the rotor shaft, either very short compared to the radial Extension of the mixing blades, or the support arms are in the overlap area with the mixing blade in whose profile was recorded or integrated.
  • the cross section of the mixing blades a continuous and preferably smooth transition between the base body (6) and the detachable End piece (7).
  • Smooth means here with a continuous gradient or derivative, So without any kink at the transition point.
  • the detachable end piece to increase the service life be carried out particularly wear-resistant.
  • the tail compared to the rest Blades both of any more wear-resistant material such as a Oxide ceramics or carbide are also coated with another armor material become.
  • the tail with a much stronger partial armor or with a full armor be provided.
  • the invention thus achieved because of the same contour transition from the body to the tail in combination optimal, fast mixing results with an excellent maintainability and low maintenance costs.
  • the connection between End piece and main body of the mixing blade also very quickly and easily detachable and recoverable and yet safe and stable.
  • FIG. 1 shows a mixer 1, which in the preferred embodiment with a rotating Mixing container 2, consisting of a round flat mixer bottom 3 and a cylindrical Mixer wall 4, is provided.
  • the mixer also has an eccentric to Misch disposermitte arranged, overhung until reaching just above the mixer bottom rotor 5, the a plurality of arranged in planes radially extending mixing blades 6 with detachable end piece 7 carries.
  • the mixing container 2 and the rotor 5 are rotated by drives (not shown) in rotation.
  • the cylindrical wall 4 and the mixer bottom 3 are by a stationary, combined Wall floor tool 8 stripped off.
  • the rotor 5 consists of a polygonal shaft (not shown) on the plurality of tool holders 10 are arranged one above the other displaced. In the grooves 11 of the tool holder are the Blade 6 in pins (not shown) mounted by means of the bore 13.
  • the column of tool holders 10 with mixing blades 6 is provided by a suitable releasable connection for operation braced.
  • the mixing blade 6 and the end piece 7 consists of a preferably rectangular base body with a knife-like bevel 12. With the help of the bore 13, the mixing blades 6 with End piece 7 mounted in the tool holder 10.
  • the end piece 7 and the mixing blade 6 are formed as separate components. As in FIGS. 2 to 8 in FIG illustrate the plan view, the components at the junction by a suitable Attachment releasably connected together. The connection must be attacking the end piece 7 May transfer mixing forces on the mixing blade 6. In addition, the tail 7 must be secured against rotation relative to the remaining mixing blade 6.
  • the detachable connection and securing against rotation can be achieved by various variants (Fig. 2-8), for example, by an overlap of tail and mixing blades (Fig. 3, Fig. 6), by a or several centering pins (FIG. 2), two or more screws (FIG. 7), a form-fitting, polygonal pin-socket connection with axial screw connection (Fig. 4) or on one side Screwed metal strip (Fig. 8) take place.
  • connection of the end piece 7 takes place with the mixing blade 6 via a Screw 14 in the axial direction.
  • the screw 14 is sunk as deep as possible in the end piece 7 and the counterbore 18 closed by a suitable, removable filling 19.
  • the securing against twisting of the end piece takes place via one or more pins 15.
  • the bore 16 is preferably threaded, whose diameter is greater than the thread diameter 17 in the mixing blade 6.
  • the hole Threaded 16 can in the disassembly of the tail 7 of mixing blades 6 by use a pressure screw to pull off the tail 7 of the pins 15 are used.
  • the components 6, 7 overlap at the connection point.
  • the main body of the end piece 7 and the mixing blade 6 are wear-resistant Coating 20 provided. At the overlap, they are by a suitable attachment 21, 22, e.g. one or more screw connections, connected together. The connection takes place from the trailing outer edge of the components 6, 7.
  • Figure 4 and Figure 5, section along the line A-A ', show a variant in which the connection between the components 6, 7 via a positive pin-socket connection 23, 24 takes place, wherein the pin and the socket is provided with a polygonal profile, which is a rotation of the pin 23 prevented in the socket 24.
  • the pin-socket connection is made via a suitable attachment, e.g. a screw in the axial direction 25, releasably connected to each other.
  • FIG. 2 Further modifications of the embodiments shown in FIG. 2, FIG. 3 and FIG. 4 are in different Way possible.
  • the dividing line between the mixing blade 6 and end piece. 7 lie at any point.
  • Variable is also the geometry and arrangement of the connecting surfaces, the attachment and the anti-twist device.
  • Figure 6 shows a variant in which the end piece 7 overlaps with the mixing blade 6 and the attachment takes place by a screw 26 in the axial direction.
  • FIG. 7 shows a variant of FIG. 1 in which the attachment and the anti-twist device are shown by several screws 27 in the axial direction.
  • FIG 8. The execution of the end piece 7 with a threaded pin 28 is shown in FIG 8.
  • the fuse against twisting of the end piece 7 takes place for example via a metal strip 29 with holes 30 and Screws 31 at the trailing outer edge of the components 6, 7th
  • Figure 9 and Figure 10, section along the line A-A ', show a variant of Figure 2, in which both the mixing blade 6 and the tail 7 two knife-like bevels 12, 32, 33 have.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Accessories For Mixers (AREA)
  • Food-Manufacturing Devices (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
EP04005949A 2003-05-13 2004-03-12 Lame de mélange avec embout démontable, embout démontable et appareil mélangeur avec une telle lame de mélange Expired - Lifetime EP1477218B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04005949T PL1477218T3 (pl) 2003-05-13 2004-03-12 Mieszadło skrzydełkowe z odłączalną końcówką, końcówka do niego i urządzenie do mieszania z takim mieszadłem skrzydełkowym

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20307420U 2003-05-13
DE20307420U DE20307420U1 (de) 2003-05-13 2003-05-13 Mischflügel mit lösbarem Endstück

Publications (3)

Publication Number Publication Date
EP1477218A2 true EP1477218A2 (fr) 2004-11-17
EP1477218A3 EP1477218A3 (fr) 2005-07-13
EP1477218B1 EP1477218B1 (fr) 2007-10-03

Family

ID=7981744

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04005949A Expired - Lifetime EP1477218B1 (fr) 2003-05-13 2004-03-12 Lame de mélange avec embout démontable, embout démontable et appareil mélangeur avec une telle lame de mélange

Country Status (6)

Country Link
EP (1) EP1477218B1 (fr)
AT (1) ATE374648T1 (fr)
DE (2) DE20307420U1 (fr)
DK (1) DK1477218T3 (fr)
ES (1) ES2294383T3 (fr)
PL (1) PL1477218T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005019010A1 (de) * 2005-04-22 2006-10-26 Maschinenfabrik Gustav Eirich Gmbh & Co. Kg Mischflügel mit lösbarem Verschleißelement
CN101855335A (zh) * 2007-11-13 2010-10-06 克朗斯股份公司 偏心式搅拌器
CN102513019A (zh) * 2011-12-14 2012-06-27 常州市永益工具有限公司 搅拌叶
CN110917918A (zh) * 2019-12-24 2020-03-27 安徽省春谷3D打印智能装备产业技术研究院有限公司 一种3d打印用陶瓷原料搅拌装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008041104A1 (de) 2008-08-07 2010-02-11 Maschinenfabrik Gustav Eirich Gmbh & Co. Kg Mischvorrichtung mit Induktionsheizung
DE102010027885A1 (de) * 2010-04-16 2012-02-09 Maschinenfabrik Gustav Eirich Gmbh & Co. Kg Mischvorrichtung mit Verschleißschutzauskleidung
DE102012105538B4 (de) 2012-06-26 2014-03-06 Gerhard Krauskopf Mischwerkzeughalter mit auswechselbaren Mischflügeln
CN110328422A (zh) * 2019-07-30 2019-10-15 株洲金蚂蚁新材料有限公司 一种混合搅拌用耐磨桨叶的加工方法
CN112546904A (zh) * 2020-11-26 2021-03-26 射阳县射阳港红太阳饲料厂 一种饲料生产加工用搅拌装置
CN112663438B (zh) * 2020-12-18 2022-05-31 重庆九橡化大橡胶科技有限责任公司 橡胶沥青碎石混合方法
CN112681064B (zh) * 2020-12-18 2022-05-31 重庆九橡化大橡胶科技有限责任公司 沥青碎石混合系统
CN112663439B (zh) * 2020-12-18 2022-05-31 重庆九橡化大橡胶科技有限责任公司 橡胶沥青混合用装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7502240A (en) * 1975-02-25 1976-08-27 Schugi B V Solids and liquid mixing machine with cylindrical chamber - has blades with rubber-clad metal cores secured in holder on shaft
DE19859511A1 (de) * 1998-12-22 2000-07-06 Pfaudler Werke Gmbh Emailliertes Rührwerk und Verfahren zu dessen Herstellung und Montage
DE20111789U1 (de) * 2001-07-17 2001-09-13 Ekato Ruehr Mischtechnik Rührorgan
US6293694B1 (en) * 1998-03-06 2001-09-25 Poly Hi Solidur Inc. Flow promoting material handling conveyance construction
EP1300362A1 (fr) * 2000-07-10 2003-04-09 Daikin Industries, Ltd. Procede et appareil pour la production de fluorure d'hydrogene

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7502240A (en) * 1975-02-25 1976-08-27 Schugi B V Solids and liquid mixing machine with cylindrical chamber - has blades with rubber-clad metal cores secured in holder on shaft
US6293694B1 (en) * 1998-03-06 2001-09-25 Poly Hi Solidur Inc. Flow promoting material handling conveyance construction
DE19859511A1 (de) * 1998-12-22 2000-07-06 Pfaudler Werke Gmbh Emailliertes Rührwerk und Verfahren zu dessen Herstellung und Montage
EP1300362A1 (fr) * 2000-07-10 2003-04-09 Daikin Industries, Ltd. Procede et appareil pour la production de fluorure d'hydrogene
DE20111789U1 (de) * 2001-07-17 2001-09-13 Ekato Ruehr Mischtechnik Rührorgan

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005019010A1 (de) * 2005-04-22 2006-10-26 Maschinenfabrik Gustav Eirich Gmbh & Co. Kg Mischflügel mit lösbarem Verschleißelement
WO2006111455A1 (fr) * 2005-04-22 2006-10-26 Maschinenfabrik Gustav Eirich Gmbh & Co. Kg Lame de melange comprenant un element d'usure amovible
CN101163539B (zh) * 2005-04-22 2011-06-15 德国古斯塔夫·爱立许机械制造有限公司 具有可拆卸的磨损部件的搅拌叶片
US8235583B2 (en) 2005-04-22 2012-08-07 Maschinenfabrik Gustav Eirich Gmbh & Co. Kg Mixing blade with removable wearing element
CN101855335A (zh) * 2007-11-13 2010-10-06 克朗斯股份公司 偏心式搅拌器
CN101855335B (zh) * 2007-11-13 2013-06-19 克朗斯股份公司 偏心式搅拌器
CN102513019A (zh) * 2011-12-14 2012-06-27 常州市永益工具有限公司 搅拌叶
CN110917918A (zh) * 2019-12-24 2020-03-27 安徽省春谷3D打印智能装备产业技术研究院有限公司 一种3d打印用陶瓷原料搅拌装置

Also Published As

Publication number Publication date
EP1477218A3 (fr) 2005-07-13
DK1477218T3 (da) 2008-01-02
PL1477218T3 (pl) 2008-02-29
DE502004005107D1 (de) 2007-11-15
EP1477218B1 (fr) 2007-10-03
DE20307420U1 (de) 2003-07-03
ATE374648T1 (de) 2007-10-15
ES2294383T3 (es) 2008-04-01

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