EP0197399B1 - Dispositif pour mélanger - Google Patents

Dispositif pour mélanger Download PDF

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Publication number
EP0197399B1
EP0197399B1 EP86103920A EP86103920A EP0197399B1 EP 0197399 B1 EP0197399 B1 EP 0197399B1 EP 86103920 A EP86103920 A EP 86103920A EP 86103920 A EP86103920 A EP 86103920A EP 0197399 B1 EP0197399 B1 EP 0197399B1
Authority
EP
European Patent Office
Prior art keywords
mixing
vessel
mixing device
container
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.)
Expired - Lifetime
Application number
EP86103920A
Other languages
German (de)
English (en)
Other versions
EP0197399A2 (fr
EP0197399A3 (en
Inventor
Friedrich Walter Dr. 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.)
HERFELD, UTE
Original Assignee
Herfeld Ute
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 Herfeld Ute filed Critical Herfeld Ute
Publication of EP0197399A2 publication Critical patent/EP0197399A2/fr
Publication of EP0197399A3 publication Critical patent/EP0197399A3/de
Application granted granted Critical
Publication of EP0197399B1 publication Critical patent/EP0197399B1/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 claim 1.
  • a mixing device of the type required in the preamble of claim 1 is known from DE-B 2 110 047. It enables inexpensive mixing without large vertical relative movements between the mixing container and the mixing tool being necessary to produce and cancel the mixing position.
  • a lifting device is required in order to connect the transportable first container part to the second container part pivotably mounted on the stationary holder. Furthermore, since the second container part with the drive motor for the agitator carried by it has to be pivoted if necessary, even without the first container part or when the mixing container is not full, whereby considerable torque must be applied by the drive motor arranged far outside the pivot axis, the pivot drive must known execution are undesirably large.
  • FR-A 2 567 415 describes a mixing device in which an only one-piece mixing container with a relatively small, i.e. compared to the container cross-section there is a very narrow material filling opening.
  • This obviously not movable, but only liftable mixing container is placed for the mixing process in a cage-like frame, which in turn is held in a fixed base frame on a horizontal axis and together with the container can be pivoted about this axis into a mixing position.
  • the frame has an up and down slidable plate, on which a stirring tool driven by a motor is arranged and aligned with the filling opening of the mixing container, so that it can be moved into the container by means of the plate for the mixing process, whereby the product filling opening is then sealed by a seal also provided on the plate.
  • this known embodiment therefore only has a one-piece mixing container, and there is also a separate frame for receiving and pivoting the mixing container and a separate plate with a stirring tool and drive motor on the frame intended.
  • a mixing device with a stationary mixing container is also known, which is obviously only supported by a horizontal pivot axis so that it can be tilted for emptying.
  • two sets of main mixing tools and, on the outside of the bottom, a motor for driving the mixing tools are provided in the area of the bottom of this mixing container.
  • a lid is assigned to the mixing container, which carries a second motor, which in turn drives further mixing tools protruding into the mixing container during the mixing process.
  • This non-tilting lid has a yoke, by means of which this lid is supported on two columns of winch devices so that it can be moved in the vertical direction in such a way that it can be lowered onto the mixing container and fastened there for the mixing process alone, while - obviously for tilting, emptying and filling the stationary mixing container - can be moved far enough up.
  • the mixing container is not tilted or swiveled during mixing, and it remains stationary, i.e. not movable in its base frame, so that a separate transport container is required for the transport of the mixed goods to a consumer point.
  • a two-part mixing container is also disclosed, the first container part of which is transportable and can be moved under the second container part, which is rotatably mounted on a stationary holder about a horizontal axis and has lifting devices around the first container part pushed underneath to raise.
  • the second container part is approximately funnel-shaped and without any stirring or mixing tools, and the connected container parts can rotate together for a predetermined time in order to carry out the mixing process, which results in a completely different mixer design and mixing function than in the beginning for the present invention mixing device.
  • the invention is based on the object of designing a mixing device of the type required in the preamble of claim 1 in such a way that a lifting device for the transportable first container part is eliminated and the pivot drive for the mixing container can be dimensioned much smaller.
  • the second container part can be raised and lowered relative to the pivot axis by means of a lifting device according to the invention, a separate lifting device for the transportable first container part can be dispensed with.
  • the second container part is lowered onto the latter and then raised in order to be pivoted into the mixed position.
  • the second container part and the drive motor for the agitator carried by it can be raised and lowered relative to the pivot axis, it is possible to shift the center of gravity of the pivotable parts before pivoting movement so that it coincides with the pivot axis.
  • the second container part with the drive motor carried by it can also be pivoted with the application of a low torque if, for example, the second container part is to be pivoted without the first container part for cleaning purposes or if a swiveling movement of the complete, but not or only slightly filled, mixing container is required.
  • the required pivot drive can consequently be dimensioned very small and inexpensive.
  • a stationary holder 1 in which a pivot shaft 2 is pivotally mounted by means of a handle 3 (of course, a motorized pivoting device can also be provided instead of the handle 3).
  • the mixing container 4 consists of a transportable first container part 5 (“mixing container”) and a second container part 6, which is firmly connected to the pivot shaft 2.
  • the two container parts 5 and 6 can be firmly connected to one another via clamping devices 7.
  • an agitator 8 which is only indicated schematically and is driven by a drive motor 9 attached to the outside of the second container part 6.
  • the mix is transported in the transportable first container part 5 on a transport carriage 10 to the mixing device.
  • the first container part 5 rests on the bearing cheeks 12 of the transport carriage 10 by means of pins 11.
  • the first container part 5 is raised so far that it can be connected to the second container part 6 pivoted into the position according to FIG.
  • the mixing container 4 can then be pivoted into the mixing position according to FIG. 2 by means of the swivel shaft 2, the second container part 6 now forming the bottom of the mixing container and an intensive mixing movement taking place inside the mixing container 4 by means of the agitator 8. After the mixing process has ended, the mixing container 4 is pivoted back into the position shown in FIG. The transportable first container part 5 can then be removed and removed with the finished mix on the trolley 10.
  • the pivot shaft 2 is mounted in the fixed holder 1 by means of bearings 13.
  • the drive provided for motorized or manual actuation of the pivot shaft 2 (in FIG. 4 on the right side of the holder 1) is not shown.
  • a vertically arranged support plate 15 is firmly connected on the side of the fixed holder 1 facing the mixing container (a second such support plate 15 is of course also present on the other side of the divided mixer shaft 2; for understanding the description of the right half of the mixing device schematically illustrated in FIG. 3 is sufficient for the invention.
  • a lifting device is attached to the support plate 15 and consists of two hydraulic cylinders 16, 17 arranged on different sides of the pivot shaft 2. These hydraulic cylinders are fastened to the support plate 15 by means of claws 18 and screws 19.
  • the support plate 15 carries two guide rods 20, 21 which are arranged parallel to one another in a vertical plane.
  • the second container part 6 is fixedly connected to an upper guide plate 22 and a lower guide plate 23. These two guide plates 22, 23 are guided on the guide rods 20, 21 and can be equipped with sliding bushes 24 for this purpose.
  • the piston rod 25 of the hydraulic cylinders 16, 17 is supported on the upper guide plate 22 via a shoulder 25a.
  • the upper guide plate 22 and thus the second container part 6 (with the drive motor 9 carried by it) are raised by extending the piston rods 25 of the hydraulic cylinders 16, 17.
  • the second container part 6 with the drive motor 9 can be raised by any amount within the possible maximum stroke H.
  • the lowering can either be done by pressure relief of single-acting hydraulic cylinders 16, 17 (under the effect of the dead weight of the second container part 6 and the drive motor 9), or double-acting hydraulic cylinders can be provided.
  • the second container part 6 can therefore be lowered and then raised in order to be pivoted into the mixed position.
  • the lowest position of the second container part 6 is generally expedient when the first container part 5 is removed, when the pivotable second container part 6 with the drive motor 9 carried by it is pivoted in the most balanced position for cleaning purposes, for example by 90 ° (ie in an approximately horizontal position) should.
  • An intermediate position of the second container part 6 results when it is to be lowered onto a lower container part 5 to be coupled.
  • FIG. 6 shows a further exemplary embodiment of the invention, in which the second container part 6 is raised and lowered by an electric motor 30 (slip-on geared motor).
  • the electric motor 30 acts on a horizontally arranged threaded spindle 31, which is in engagement with two threaded spindles 34, 35 via a bevel gear 32 and 33, respectively.
  • the second container part 6 is raised and lowered via these threaded spindles.
  • guide rods 20 ', 21' are provided, which are arranged on a support plate 15 '.
  • the stand of the mixing device is designated 36. It carries a motor 37 by means of which the mixing container pivots about the horizontal pivot axis 14.
  • a first device (not illustrated in detail) is expediently provided, which responds when the torque generated by the first and / or second container part 5 or 6 about the pivot axis 14 exceeds a certain value and then the lifting device (ie the electric motor 30) operated in the sense of reducing this torque.
  • the lifting device expediently lowers the mixing container only when an approximately vertical position is reached in order to keep the otherwise increasing torque low. In this way, the lifting device is used not only to raise and lower the second container part, but also to balance weight and torque.
  • drive motor 9 of the agitator is attached to the pivotable mixing container in the exemplary embodiments explained, a stationary drive motor can be used within the scope of the invention.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
  • Accessories For Mixers (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Claims (8)

1. Dispositif mélangeur comprenant:
a) une cuve (4) se composant de deux parties (5, 6) se reliant l'une à l'autre et dont la première (5) est transportable,
b) un châssis fixe (1) sur lequel la seconde partie (6) de la cuve est montée de manière à pouvoir pivoter d'au moins 180° autour d'un axe horizontal (14), la cuve pouvant ainsi pivoter entre une position d'échange et une position de mélange,
c) un agitateur (8) monté dans la seconde partie (6) de la cuve, caractérisé par la particularité suivante:
d) la seconde partie (6) de la cuve est soulevable et abaissable par rapport à l'axe de pivotement (14) au moyen d'un appareil de levage (16, 17).
2. Dispositif mélangeur selon la revendication 1, caractérisé en ce qu'un arbre (2) formant l'axe horizontal de pivotement (14) comporte au moins un guide vertical qui est disposé sur le côté du châssis (1) tourné vers la cuve (4) et sur lequel la seconde partie (6) de la cuve est translatable.
3. Dispositif mélangeur selon la revendication 2, caractérisé en ce que l'appareil de levage est formé de deux cylindres hydrauliques (16, 17) disposés de part et d'autre de l'arbre de pivotement (2).
4. Dispositif mélangeur selon la revendication 2, caractérisé en ce que la seconde partie (6) de la cuve est guidée par l'intermédiaire d'une plaque supérieure et d'une plaque inférieure de guidage (22, 23) sur des tiges verticales (20, 21).
5. Dispositif mélangeur selon les revendications 3 et 4, caractérisé en ce que les tiges de piston (25) des cylindres hydrauliques (16, 17) attaquent la plaque supérieure de guidage (22).
6. Dispositif mélangeur selon la revendication 1, caractérisé en ce que l'appareil de levage comprend un moteur électrique (30) et au moins une tige filetée (31, 34, 35).
7. Dispositif mélangeur selon la revendication 1, caractérisé par un premier appareillage qui répond lorsque le couple produit autour de l'axe de pivotement (14) par la première et/ou la seconde partie de la cuve (5 et, respectivement, 6) dépasse une valeur déterminée et qui actionne l'appareil de levage (16, 17 ou 30) dans le sens d'une diminution de ce couple.
8. Dispositif mélangeur selon la revendication 7, caractérisé par un second appareillage qui, lorsque le premier répond, interrompt la suite du mouvement de pivotement de la première et/ou de la seconde partie de la cuve (5 et, respectivement, 6) aussi longtemps que le couple produit par cette première et/ou seconde partie de la cuve autour de l'axe de pivotement (14) reste abaissé à une valeur minimale prédéterminée.
EP86103920A 1985-04-03 1986-03-21 Dispositif pour mélanger Expired - Lifetime EP0197399B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853512257 DE3512257A1 (de) 1985-04-03 1985-04-03 Mischvorrichtung
DE3512257 1985-04-03

Publications (3)

Publication Number Publication Date
EP0197399A2 EP0197399A2 (fr) 1986-10-15
EP0197399A3 EP0197399A3 (en) 1989-01-25
EP0197399B1 true EP0197399B1 (fr) 1990-03-28

Family

ID=6267252

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86103920A Expired - Lifetime EP0197399B1 (fr) 1985-04-03 1986-03-21 Dispositif pour mélanger

Country Status (2)

Country Link
EP (1) EP0197399B1 (fr)
DE (2) DE3512257A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3637607A1 (de) * 1986-11-05 1988-05-11 Herfeld Ute Mischvorrichtung
DE4335285A1 (de) * 1993-10-15 1995-04-20 Herfeld Gmbh & Co Kg Dr Mischvorrichtung
DE19809476C2 (de) * 1998-03-06 2001-02-22 Ruberg Mischtechnik Kg Mischer
US6331070B1 (en) * 2000-10-30 2001-12-18 Reliance Industries, Inc. Process and apparatus for particle size reduction and homogeneous blending of ingredients in a fluidized change can mixer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB890355A (en) * 1960-12-16 1962-02-28 Polymar Sursee Ag Improvements in or relating to mixing and kneading machines for pastes and powders
US3224741A (en) * 1964-07-01 1965-12-21 Sr John L Muench Mixer
NL162184C (nl) * 1970-06-16 1980-04-15 Langen & Zonen Bv Inrichting voor rotatie-aandrijving van een transport- vat.
DE2110047C2 (de) * 1971-03-03 1983-01-20 Herfeld, Dipl.-Volksw. Dr., Friedrich Walter Adolf, 5982 Neuenrade Mischvorrichtung
DE2504126A1 (de) * 1974-02-06 1975-08-07 Ortuno Salvador Garcia Mahl-,misch- und ruehrvorrichtung
DE2946126C2 (de) * 1979-11-15 1986-08-14 Dieter 6570 Kirn Kupka Ruhrwerk
DE3123362A1 (de) * 1981-06-12 1982-12-30 Herfeld, Friedrich Walter, Dr., 5982 Neuenrade Mischvorrichtung
FR2567415B1 (fr) * 1984-07-12 1990-04-13 Gallay Sa Appareil melangeur pour produits pulverulents

Also Published As

Publication number Publication date
EP0197399A2 (fr) 1986-10-15
DE3669832D1 (de) 1990-05-03
DE3512257A1 (de) 1986-10-09
EP0197399A3 (en) 1989-01-25

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