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EP0269799A1 - Dispositif à mélanger - Google Patents

Dispositif à mélanger Download PDF

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Publication number
EP0269799A1
EP0269799A1 EP87113541A EP87113541A EP0269799A1 EP 0269799 A1 EP0269799 A1 EP 0269799A1 EP 87113541 A EP87113541 A EP 87113541A EP 87113541 A EP87113541 A EP 87113541A EP 0269799 A1 EP0269799 A1 EP 0269799A1
Authority
EP
European Patent Office
Prior art keywords
mixing
container
gear
drive
container part
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
EP87113541A
Other languages
German (de)
English (en)
Other versions
EP0269799B1 (fr
Inventor
Friedrich Walter Dr.Verstorben Herfeld
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.)
Dr Herfeld GmbH and Co KG
Original Assignee
Dr Herfeld 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 Dr Herfeld GmbH and Co KG filed Critical Dr Herfeld GmbH and Co KG
Publication of EP0269799A1 publication Critical patent/EP0269799A1/fr
Application granted granted Critical
Publication of EP0269799B1 publication Critical patent/EP0269799B1/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
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/808—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with stirrers driven from the bottom of the receptacle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/35—Mixing after turning the mixing vessel upside down
    • 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
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F35/32—Driving arrangements
    • B01F35/321—Disposition of the drive
    • B01F35/3213—Disposition of the drive at the lower side of the axis, e.g. driving the stirrer from the bottom of a receptacle

Definitions

  • the invention relates to a mixing device according to the preamble of patent claim 1.
  • a mixing device of the required type is known for example from DE-PS 21 10 047.
  • the agitator is located in the second container part which is pivotally mounted on the fixed holder, as a result of which the transportable first container part, after it has been brought under the second container part, by means of a relatively small vertical relative movement between the two container parts with the second container part can be connected.
  • the mixing container and the agitator are then pivoted from the approximately vertical starting position by 180 ° into a vertical mixing position in which the second container part forms the bottom of the mixing container, it is achieved that the mixer is located close to the bottom of the mixing container, which also means difficult to mix goods a complete mixing is guaranteed.
  • the material contained in the mixing container assumes an upper material level running at least approximately parallel to the upper edge of the first container part after the mixing process and pivoting the mixing container back into the vertical starting position.
  • the invention is therefore based on the object of developing a mixing device of the type required in the preamble of claim 1 in such a way that, with a relatively simple structural design of the mixing device itself, the finished mixture itself after the mixing container returns to its stable starting position (in which the first container part from second container part is uncoupled) in the first container part assumes an upper good level which is approximately parallel to the upper edge of this first container part.
  • a swivel drive device designed for the mixing container is provided such that the mixing container swings back Movement from the mixing position into the stable starting position is first pivoted by an adjustable angular dimension beyond this starting position, namely into a level compensation position, and only then is the mixing container pivoted back into the stable starting position at this level compensation position.
  • the mixing container has been swiveled back from the vertical mixing position by only 180 ° into the starting position after the mixing process has ended, then the material to be mixed within the mixing container is still deflected at an angle of repose due to the good properties, i.e. the upper material level forms an angle to the upper edge of the Mixing container.
  • the mixing container according to the invention when pivoting it back out of the mixing position first over the vertical starting position, ie over 180 ° into the level compensating position, an opposite bulk movement of the bulk material takes place within the mixing container, so that after pivoting back out of the level Equalization position in the vertical, stable equilibrium position, the mix has an upper approximately parallel to the upper edge of the first container part Takes good level.
  • the size of the angular dimension by which the swiveling movement goes beyond 180 ° depends on the flow properties (slope angle) of the bulk material, that is to say a relatively small angular dimension is required for easily flowing material, while for poorly flowing mix material the angular dimension must be correspondingly larger in order to bring about the desired level compensation.
  • the mixing device illustrated in FIG. 1 contains a mixing container 1, which consists of two bowl-shaped container parts, namely the first container part 2 and the second container part 3.
  • the two container parts 2 and 3 can be connected to one another in a manner known per se and therefore not shown in detail.
  • the first container part 2 is designed to be transportable with the aid of a chassis 4 or the like and, in the exemplary embodiment shown, has a floor outlet 2a.
  • the second container part 3 is rotatably mounted on a frame-like, fixed holder 5 by means of a horizontal support axis 6 in a manner as will be explained in more detail below.
  • An agitator 7 is arranged in the second container part 3, which can also be designed in a manner known per se and is driven by a drive motor 9 via an agitator shaft 8, which is flanged to the bottom wall 3a of this second container part 3.
  • the agitator shaft 8 is vertical in the starting position and mixing position of the mixing container 1, corresponding to the vertical axis 1 a of the mixing container 1.
  • the mixing device contains a swivel drive device 10 for the mixing container 1.
  • the mixing container 1 can be moved out of its vertical, stable starting position shown in particular in FIG. 3, in which the second container part 3 forms the lid of the mixing container 1 and with the first container part 2 is connected (coupled together) by 180 ° about its horizontal support axis 6 into its vertical, stable mixing position, which is illustrated in FIG. 4 and in which the second container part 3 forms the bottom of the mixing container 1.
  • the mixing container 1 is then pivoted back into its vertical, stable starting position according to FIG. 3, so that the first container part 2 can be uncoupled from the second container part 3 by this first container part 2 to be transported on the chassis 4 with the ready-mixed goods.
  • the mixing container 1 is turned off the vertical mixing position (FIG. 4) is not simply pivoted back again by 180 °, but the swivel drive device 10 is designed such that the mixing container 1 when pivoting back into its stable starting position (FIG. 3) initially into an adjustable angular dimension (cf. Angle ⁇ in Fig. 5) is pivoted beyond this initial position level compensation position, as illustrated in Fig. 5.
  • This means that the mixing container 1 is pivoted from the vertical mixing position (FIG. 4) by 180 ° plus the angular dimension ⁇ into the level compensation position according to FIG. 5. Only then is the mixing container 1 pivoted back again by the angular dimension ⁇ into the stable starting position according to FIG. 3, in which the mixing container 1 is thus oriented vertically.
  • the great advantage of the successive swiveling sections when swiveling the mixing container 1 back from the mixing position into its vertical, stable starting position is as follows: when the mixing container 1 after the mixing process has ended from its vertical mixing position (FIG. 4) only by 180 ° into its vertical starting position (FIG 3) is pivoted back, then the mixed material taken up in the first container part 2, which is located below, then - in accordance with its natural angle of repose - in the first container part 2 such that an upper level of the bulk material is established which is at an angle with the upper edge 2b of this first container part 2 forms, with - according to the degree of filling of the container part - the bulk material the upper edge of the container part 2b can go out.
  • the size of the angular dimension ⁇ (FIG. 5), by which the mixing container 1 initially pivots over the starting position of the mixing container 1 when pivoting back, is dependent on the flow properties of the respective mixed material, i.e. the angular dimension ⁇ is relatively small in the case of easily flowing mix material and in the case of poorly flowing material Mixed material relatively large. In order to achieve the desired level compensation of the mix in the first container part 2, it is expedient if the angular dimension is at least 15 °.
  • any suitable embodiment can be used as the swivel drive device for the swivel movements of the mixing container 1, and even one that can be operated manually.
  • FIG. 1 A particularly preferred embodiment of the swivel drive device 10 is also illustrated in the drawing. To explain this swivel drive device 10, reference is first made again to FIG. 1.
  • This swivel drive device 10 contains a gear transmission mechanism, which has a drive tooth segment 12 as the drive element, which can be rotated about a first axis of rotation 13, which is fixed in the holder 5 and runs parallel to the horizontal mixing container support axis 6.
  • This drive toothed segment 12 is in meshing engagement with a drive toothed wheel 14, which is rotatable about a second axis of rotation 15, which is also fixedly mounted in the holder 5 and extends horizontally to the supporting axis 6.
  • An output gear 16, which is in drive connection with the drive gear 14, is arranged in a rotationally fixed manner on the support axis 6, with the interposition of at least one further intermediate gear 17, which ensures a corresponding gear ratio and is freely rotatable.
  • the drive tooth segment 12 is formed in the region of its one circumferential section with a type of connecting claw 18, so that it thereby has a lever arm-like end 19a a piston rod 19 is connected in an articulated manner, this piston rod 19 being part of a pressure-driven swivel drive cylinder 20, one lower cylinder end 20a of which is articulated on the fixed holder 5.
  • the swivel drive cylinder 20 thus forms the actual drive element of the swivel drive device and can be designed in the form of a pneumatic or hydraulic cylinder.
  • the swivel drive device 10 ensures that the mixing container 1 can be pivoted from its starting position into its mixing position and back in the manner described above, it is also useful to arrange the second container part 3 in the stationary holder 5 so that it can be adjusted in height via the mixing container support axis 6 to - as will be explained in more detail with reference to FIGS. 1 to 5 - with the help of only a small height adjustability to facilitate the coupling and uncoupling of the two container parts 2 and 3.
  • the mixing container support axis 6 together with its driven gear 16 is mounted on the free end 21a of a rocker arm 21 which is designed and arranged in the manner of a one-armed lever arm.
  • This rocker 21 is held by the stationary second axis of rotation 15 such that the entire rocker 21 can be pivoted about this second axis of rotation 15.
  • a height adjustment swivel drive 22 also engages at the free end 21a of the rocker 21 speaking articulated - on.
  • This swivel drive 22 can also be a pneumatic or hydraulic cylinder, the lower end 22a of which is articulated by the fixed holder 5, while the upper end 23a of its piston rod 23 engages the free swing end 21a.
  • rocker 21 in the manner of a housing in such a way that it simultaneously forms a type of gear box for the gear train from the drive gear 14 to the output gear 16.
  • the horizontal support axis 6 can be formed by two support pins, which are diametrically and precisely aligned on the outer walls of the second container part 3.
  • 6 also indicates how the rocker 21 supports the support shaft 6 at its free end 21a, is connected at this free end 21a to the upper end 23a of the piston rod 23 and how the other rocker end 21b is from the stationary second axis of rotation 15 is pivotally mounted.
  • the arrangement of the gear transmission mechanism with the drive toothed segment 12, the drive toothed wheel 14, the intermediate toothed wheel 17 and the driven toothed wheel 16 can also be seen.
  • the toothed segment 12 and the gearwheels 14, 16 are preferably 17 around simple spur gears with the corresponding number of teeth in order to be able to bring about the most suitable gear ratio for the swiveling movement.
  • the transportable first container part 2 is driven approximately flush under the second container part 3, the first container part 2 still being supported on its chassis 4, while the second container part 3 is supported by the rocker arm 21 and by means of the height adjustment pivot drive 22 is moved to its upper altitude.
  • the open end 3b of the second container part 3 faces the upper edge 2b at the upper open end of the first container part 2.
  • the height adjustment swivel drive 22 has been actuated in such a way that its piston rod 23 has pivoted the rocker 21 downward about the stationary second axis of rotation 15 according to arrow 24, to the extent that the z. Z. located above the second container part 3 is guided against the first container part 2, so that these two container parts 2 and 3 can be firmly connected to one another in a manner known per se (therefore not shown in detail) to form a single mixing container 1.
  • the rocker 21 is pivoted by the height adjustment swivel drive 22 and its piston rod 23 according to arrow 25 around the stationary second axis of rotation 15 so far that the entire mixing container 1 is raised above the support axis 6 and the bottom outlet 2a of the first Container part 2 is lifted sufficiently far from the chassis 4.
  • 3 is essentially the vertical, stable starting position of the mixing container, in which the second container part 3 thus forms the lid of the mixing container 1.
  • the swivel drive device 10 is operated according to FIG. 4 in such a way that the mixing container 1 according to arrow 26 from its in FIG. 3 Starting position shown is pivoted into the vertical mixing position shown in Fig. 4, wherein it performs a pivoting movement of 180 ° about its horizontal support axis 6.
  • the swivel drive cylinder 20 is activated, the piston rod 19 of which extends upwards in the direction of the arrow 27 and thereby rotates the drive tooth segment 12 about the stationary first axis of rotation 13.
  • the desired pivoting movement of the mixing container 1 is carried out by means of the toothing engagement explained or the gear transmission mechanism formed with the gear wheels 14, 17 and 16.
  • the mix contained in the mixing container 1 is then mixed using the agitator 7 (FIG. 1).
  • the swivel drive device 10 is then operated in the opposite direction by the swivel drive cylinder 20 moving the piston rod 19 in the opposite direction (arrow 28).
  • the swivel drive device 10 then ensures that the mixing container 1 is pivoted not only by 180 °, but by 180 ° plus the angular dimension above the vertical starting position (FIG. 3) into the level compensation position according to FIG. 5, in accordance with arrow 29; Only from there is the mixing container 1 pivoted back into the vertical, stable starting position according to FIG. 3 by a corresponding reversing of the swivel drive cylinder 20, so that the upper product level 11 in the first container part 2 then runs approximately parallel to the upper edge 2b of the first container part 2 .
  • the mixing container 1 is lowered again into the position according to FIG. 2 via the rocker 21 and the supporting pin 6, so that the first container part 2, which is now at the bottom again, with its bottom outlet 2a on the chassis 4 can be turned off.
  • the second container part 3 located above is raised again via the rocker 21, so that the first container part 2 is unsung prevents from moving out under the second container part 3 and being transported away.
  • any suitable embodiment can be used as a swivel drive device.
  • the drive toothed segment can also be formed by another suitable gearwheel, and other suitable swivel drive members, for example a motorized, mechanical drive, can also be used for the rotary drive of this drive toothed segment 12 (or a suitable other gearwheel).
  • FIG. 6 only one side of the mixing container or the mixing device, on which the swivel drive device 10 and the height-adjustable rocker 21 are arranged, is illustrated, but that the diametrically opposite side of the mixing container 1 is at least equally adjustable in height is mounted and mounted, ie only a simple rocker arm can be provided on the side of the mixing container 1 opposite the swivel drive device 10, which can be adjusted in height synchronously with the rocker arm 21.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
EP87113541A 1986-11-05 1987-09-16 Dispositif à mélanger Expired - Lifetime EP0269799B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3637607 1986-11-05
DE19863637607 DE3637607A1 (de) 1986-11-05 1986-11-05 Mischvorrichtung

Publications (2)

Publication Number Publication Date
EP0269799A1 true EP0269799A1 (fr) 1988-06-08
EP0269799B1 EP0269799B1 (fr) 1991-08-21

Family

ID=6313176

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87113541A Expired - Lifetime EP0269799B1 (fr) 1986-11-05 1987-09-16 Dispositif à mélanger

Country Status (2)

Country Link
EP (1) EP0269799B1 (fr)
DE (2) DE3637607A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0365814A1 (fr) * 1988-10-24 1990-05-02 DR. HERFELD GMBH & CO. KG Procédé et dispositif pour mélanger matériaux en vrac pulvérulent jusqu'à granulée
EP0648526A1 (fr) * 1993-10-15 1995-04-19 Dr. HERFELD GmbH & Co. KG Dispositif de mélange
WO1998037954A1 (fr) * 1997-02-28 1998-09-03 Thyssen Henschel Gmbh Melangeur pour poudres, granules et/ou autres substances granuleuses

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE552968C (de) * 1929-01-04 1932-06-20 Tacke K G F Getriebe fuer elektrischen Antrieb von Walzen o. dgl.
GB960641A (en) * 1961-05-09 1964-06-10 Walter Hermann Herfeld Mixer
DE2211968A1 (de) * 1972-03-11 1973-09-20 Behn Verpackung Erwin Ventilsackfuellmaschine mit sackabwurfeinrichtung
DE2110047C2 (de) * 1971-03-03 1983-01-20 Herfeld, Dipl.-Volksw. Dr., Friedrich Walter Adolf, 5982 Neuenrade Mischvorrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1557206A1 (de) * 1967-12-22 1970-03-12 Spangenberg Maschf G Vorrichtung zum Schwenken des Auslegers von Mischund Dispergiermaschinen
DE3433674A1 (de) * 1984-09-13 1986-03-20 Friedrich Walter Dr. 5982 Neuenrade Herfeld Mischvorrichtung
DE3433693A1 (de) * 1984-09-13 1986-03-20 Herfeld, Friedrich Walter, Dr., 5982 Neuenrade Mischvorrichtung
DE3512257A1 (de) * 1985-04-03 1986-10-09 Herfeld, Friedrich Walter, Dr., 5982 Neuenrade Mischvorrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE552968C (de) * 1929-01-04 1932-06-20 Tacke K G F Getriebe fuer elektrischen Antrieb von Walzen o. dgl.
GB960641A (en) * 1961-05-09 1964-06-10 Walter Hermann Herfeld Mixer
DE2110047C2 (de) * 1971-03-03 1983-01-20 Herfeld, Dipl.-Volksw. Dr., Friedrich Walter Adolf, 5982 Neuenrade Mischvorrichtung
DE2211968A1 (de) * 1972-03-11 1973-09-20 Behn Verpackung Erwin Ventilsackfuellmaschine mit sackabwurfeinrichtung

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0365814A1 (fr) * 1988-10-24 1990-05-02 DR. HERFELD GMBH & CO. KG Procédé et dispositif pour mélanger matériaux en vrac pulvérulent jusqu'à granulée
EP0648526A1 (fr) * 1993-10-15 1995-04-19 Dr. HERFELD GmbH & Co. KG Dispositif de mélange
WO1998037954A1 (fr) * 1997-02-28 1998-09-03 Thyssen Henschel Gmbh Melangeur pour poudres, granules et/ou autres substances granuleuses
US6241380B1 (en) 1997-02-28 2001-06-05 Thyssen Henschel Gmbh Mixer for granular material

Also Published As

Publication number Publication date
DE3772338D1 (de) 1991-09-26
DE3637607A1 (de) 1988-05-11
EP0269799B1 (fr) 1991-08-21

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