EP0225495B1 - Mélangeur - Google Patents

Mélangeur Download PDF

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Publication number
EP0225495B1
EP0225495B1 EP86115583A EP86115583A EP0225495B1 EP 0225495 B1 EP0225495 B1 EP 0225495B1 EP 86115583 A EP86115583 A EP 86115583A EP 86115583 A EP86115583 A EP 86115583A EP 0225495 B1 EP0225495 B1 EP 0225495B1
Authority
EP
European Patent Office
Prior art keywords
mixing
vessel
vessel part
hub
container
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
EP86115583A
Other languages
German (de)
English (en)
Other versions
EP0225495A3 (en
EP0225495A2 (fr
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
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 EP0225495A2 publication Critical patent/EP0225495A2/fr
Publication of EP0225495A3 publication Critical patent/EP0225495A3/de
Application granted granted Critical
Publication of EP0225495B1 publication Critical patent/EP0225495B1/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
    • 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
    • B01F27/88—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with a separate receptacle-stirrer unit that is adapted to be coupled to a drive mechanism
    • 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
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/84—Mixing plants with mixing receptacles receiving material dispensed from several component receptacles, e.g. paint tins
    • 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 required type is described for example in DE-C-21 10 047. Since in this known mixing device the first container part provided with a bottom outlet is at the same time designed as a transport container, it can be used after the mixing process for a batch of mixed material at the same time for transport for the finished batch for further use or also for storage.
  • the second container part is fastened and equipped on the horizontal pivot axis of the fixed holder so that it can be detachably connected to the peripheral edge of the first container part, which is open at the top, for example by a clamping device, in order to form the actual mixing container (from first and second container parts).
  • either the first container part can be raised by a lifting device or the second container part can be lowered by a corresponding lifting device after the transportable first container part has been brought into position under the second container part which is fixed in a fixed position will.
  • This mixing device is characterized by a good mixing performance.
  • the invention is therefore based on the object of further improving a mixing device of the type required in the preamble of claim 1 in such a way that when a product change becomes necessary, the cleaning work mentioned can be largely or completely eliminated.
  • the mixing tool hub and the motor drive shaft can be connected and detached from one another relatively quickly by means of a coupling device which can be designed relatively easily and the first container part is also covered in its transport state by the second container part (together with the mixing tool) extremely quick change of the entire mixing container on the fixed holder possible, so that a mixing device designed according to the invention with any number of mixing containers (each of the first and second Container part and associated mixing tool) can be equipped.
  • each complete mixing container (from the first and second container part) has its own mixing tool and that the first container part designed in the form of a transportable container is outside the stationary holder in every phase can be covered by the second container part.
  • each mixing container is equipped with its own second container part and its own mixing tool, this small additional construction effort is more than offset by the achievable advantages, which is particularly evident where a relatively frequent product change is required and where considerable cleaning work for the second container part and the mixing tool is required with previously known mixing devices.
  • the mixing device is first of all explained in general. It contains a mixing container 1 and a stationary holder 2 which has a support frame 3 which can be pivoted about a horizontal axis 4 by at least 180 °.
  • the mixing container 1 consists essentially of two interconnectable container parts 5 and 6, of which the first container part 5 provided with a bottom outlet 5a is in the form of a transport container and can be moved on a carriage 7. Since in this embodiment _ as will be explained in greater detail _ the second container part 6 is arranged fixedly, but releasably in the form of a lid on the first container part 5, the entire mixing container 1 can be moved on the carriage 7.
  • the mixing container 1 If the mixing container 1 is moved according to arrow 8 in FIG. 1 in the required manner under the supporting frame 3 of the fixed holder 2, then the supporting frame 3 can be moved downwards against the mixing container 1 by means of a corresponding lifting device (not shown since known per se) or the mixing container 1 can be moved upwards against the supporting frame 3, so that the supporting frame 3 and the mixing container 1 can be connected to one another in such a way that the mixing container 1 is carried by the supporting frame 3. From this starting position, in which the mixing container 1 hangs approximately vertically below the supporting frame 3, the mixing container can then be rotated by the pivoting movement of the supporting frame 3 the pivot axis 4 are pivoted by approximately 180 °, so that the mixing container 1 then assumes the mixing position shown in FIG. 2.
  • the second container part 6 can be dish-shaped or _ preferably and simpler _ in the form of a cover plate (as will be explained in more detail with reference to FIG. 3), and a mixing tool 9 of a known design (for example in the form of mixing blades) is rotatably mounted on it .
  • the hub 10 of the mixing tool 9 protrudes somewhat from the top of the second container part 6.
  • the end 11 projecting approximately vertically downwards in the initial state according to FIG. 1 can be detachably coupled from the drive shaft of a drive motor 12, which is carried approximately in the middle by the support frame 3 and can be pivoted therewith.
  • Fig. 3 the detachable connection of the second container part 6 with the upper, open end of the first container part 5, on the one hand, and with the support frame 3 and the drive shaft end 11 of the drive motor 12, on the other hand, is illustrated in an enlarged partial sectional view.
  • FIG. 3 its design with an essentially flat cover plate 13, the one Has outer peripheral flange 13a, which is detachably (for example, by means of dash-dotted screws 14) connected to an upper flange ring 15 of the first container part 5.
  • the cover plate 13 also has a central bearing bore 16, in which sealing and bearing bushes 17 are arranged, for a sealed, rotatable mounting of the mixing tool hub 10 (details of the exact design of this rotary bearing are omitted for the sake of simplicity, since they are known per se).
  • the hub 10 carries the mixing tool 9, which - as already indicated - can be a plurality of mixing vanes distributed over the circumference of the hub.
  • the support frame 3 is essentially composed of an _ in Fig. 3 _ upper support plate 18, an outer cylindrical support ring 19 and an inner cylindrical centering ring 20 which against the second container part 6 or its cover plate 13 is directed and comes into engagement with a centering collar 21 projecting against the support frame 3, which is formed in one piece on the cover plate 13, surrounds the bearing bore 16 and, with a slightly conically tapering design, engages in the centering ring 20 directed towards it, when support frame 3 and mixing container 1 are connected to each other.
  • the outer support ring 19 of the support frame 3 is located with its free end against the outer circumferential flange 13a of the cover plate 13 and carries a plurality of clamping claws 22 distributed over the outer circumference, which can be of a known design (therefore not explained in more detail) and with their lower ends 20a when the connection between the support frame 3 and the mixing container 1 is established Reach under the flange ring 15 of the first container part 5 and thereby establish the firm but detachable connection between the support ring and the mixing container.
  • the upper claw ends 22a are connected to a drive, not shown, to rotate the claws 22 about their longitudinal axis.
  • the support frame 3 (on its support plate 18) carries the drive motor 12 approximately centrally, whereby - as shown in FIG. 3 - it is fixed centrally to the centering ring 20 such that the drive shaft end 11 of this drive motor 12 and the axis of the Hub 10 lie in the assembled state on a common axis 23 which also forms the vertical axis of the mixing container 1 at the same time.
  • the mixing tool hub 10 When connecting the mixing container 1 to the support frame 3, the mixing tool hub 10 is also to be coupled to the drive shaft end 11 at the same time, which can be done in any suitable manner with known coupling devices.
  • a particularly simple and quick drive connection between the The shaft end 11 and the mixing tool hub 10 result from a clamping cone connection which contains a clamping cone 24 formed on the drive shaft end 11 and tapering against the hub 10 and a central conical bore 25 widening against the clamping cone 24 in the hub 10.
  • a release device provided with at least one, but preferably at least two plungers 26 and acting against the top of the cover plate 13 from the second container part 6 is provided on the support frame 3;
  • the tappets 26 can be designed in any suitable manner, but preferred are tappets that are connected to the piston rod of a pressure medium driven cylinder-piston unit are connected and work quickly and reliably.
  • an adjusting ring 27 surrounding this hub end can also be provided, with its underside (FIG. 3) against the upper ends of the sealing and bearing bushes 17 in the cover plate 13 acts.
  • the mixing container 1 with the mixing tool 9 must be against the drive shaft, i.e. the conical bore 25 are pressed onto the clamping cone 24 in order to obtain a non-positive connection.
  • An abutment then results here in that the adjusting ring 27 presses against the top of the cover plate 13.
  • Handles 28 can also be attached to the adjusting ring 27, by means of which it is possible to use the hub 10 and thus the mixing tool 9 if necessary (ie in particular when filling of the mixing container 1) from the outside to distribute the contents in the mixing container 1 evenly above.
  • the mixing process with this mixing device can be carried out in a manner known per se.
  • the mixing container 1 outside the stationary holder 2 is filled in a suitable manner with a product batch, which can possibly be done by removing the second container part 6 located above and - after filling the batch - by immediately resealing with this second container part 6.
  • the mixing container 1 is then brought up to the stationary holder 2 and connected to the latter by raising or lowering the support frame 3, at the same time producing a non-positive coupling between the mixing tool 9 and the drive motor 12 (by means of the clamping cone connection explained). From this starting position, the support frame 3 then swivels together with the mixing container 1 by approximately 180 ° (about the pivot axis 4) into the mixing position according to FIG. 2. After the mixing has been carried out, the assembly of the support frame 3 and mixing container 1 swings back into the starting position in which the mixing container 1 in reverse Way is released from the support frame 3.
  • the explained design of the mixing device enables a particularly simple change of the mixing container 1 on the support frame 3 and thus a very rapid product change, in which there is practically no cleaning work for the second container part and the mixing tool.
  • This mixing device can be used particularly advantageously in the dye, pharmaceutical, plastics processing and food industries.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Accessories For Mixers (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)

Claims (8)

1. Mélangeur comprenant :
a) une cuve (1) en plusieurs parties (5, 6) se reliant de manière amovible les unes aux autres et dont au moins une première (5) est transportable,
b) un bâti fixe (2) sur lequel la cuve formée de ses différentes parties réunies se monte de manière à pouvoir pivoter d'au moins 180° autour d'un axe horizontal (4) d'une position initiale à une position dans laquelle s'ef­fectue le mélange, une seconde partie (6) de la cuve étant disposée sur la première (5) de manière à former un couver­cle lorsque la cuve est en position initiale et à former le fond de cette cuve (1) lorsque celle-ci est en position de mélange,
c) un outillage mélangeur (9) monté rotatif sur la seconde partie (6) de la cuve et commandé par le côté exté­rieur de cette seconde partie de cuve par l'arbre (11) d'un moteur de commande (12), caractérisé en ce que :
d) l'outillage mélangeur (9) se relie de manière amovible par son moyeu (10) et au moyen d'un dispositif d'accouplement (24, 25) à l'arbre (11) du moteur de com­mande (12) et
e) la première partie (5) de la cuve porte la seconde (6), disposée à la manière d'un couvercle, ainsi que l'outillage mélangeur (9) même lorsqu'elle est en con­dition de transport.
2. Mélangeur selon la revendication 1, caractérisé en ce que la seconde partie (6) de la cuve comprend un plateau (13) formant un couvercle et comportant d'une part un alésage central (16) de montage étanche du moyeu (10) de l'outillage mélangeur de manière à en autoriser la rotation et d'autre part un bord circonférentiel extérieur formant une bride (13a) de liaison amovible avec l'extrémité supé­rieure de la première partie (5) de la cuve.
3. Mélangeur selon la revendication 1, caractérisé en ce qu'un châssis porteur (3) fixé sur l'axe horizontal de pivotement (4) monté sur le bâti fixe (2) forme le sup­port du moteur de commande (12) ainsi que d'un dispositif de fixation (22) permettant l'assujettissement amovible dudit châssis porteur auxdites première et seconde parties (5, 6) de la cuve.
4. Melangeur selon les revendications 1 et 3, carac-­térisé en ce que e dispositif d'accouplement entre le moyeu (10) de l'outillage mélangeur et l'arbre (11) du moteur de commande (12) est formé d'une liaison par cônes de serrage (24, 25).
5. Mélangeur selon la revendication 4, caractérisé en ce que la liaison par cônes de serrage comprend un alé-­sage conique central (25) réalisé dans le moyeu (10) et formant également un orifice de déversement du produit devant subir le mélange.
6. Mélangeur selon la revendication 4, caractérisé en ce qu'un dispositif de désaccouplement actionné par une source d'énergie, prévu sur le châssis de support (3), équipé d'au moins un poussoir (26) et agissant contre le côté supérieur (13) de la seconde partie (6) de la cuve est destiné à assurer le dégagement de la liaison par accouple­ment entre l'arbre de commande (11) et le moyeu (10) de l'outillage mélangeur.
7. Mélangeur selon les revendications 2 et 3, carac­térisé en ce que le châssis de support (3) comporte, du côté dirigé vers la seconde partie (6) de la cuve, un an­neau cylindrique de centrage (20) s'engageant sur un collet de centrage (21) qui fait partie de la seconde partie de la cuve, qui est en saillie vers le châssis de support et qui entoure l'alésage central (16).
8. Mélangeur selon la revendication 7, caractérisé en ce que des dispositifs auxiliaires de réglage en hauteur et de guidage sont prévus dans la liaison entre le châssis de support (3) et la seconde partie (6) de la cuve.
EP86115583A 1985-12-12 1986-11-10 Mélangeur Expired - Lifetime EP0225495B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853543913 DE3543913A1 (de) 1985-12-12 1985-12-12 Mischvorrichtung
DE3543913 1985-12-12

Publications (3)

Publication Number Publication Date
EP0225495A2 EP0225495A2 (fr) 1987-06-16
EP0225495A3 EP0225495A3 (en) 1989-03-22
EP0225495B1 true EP0225495B1 (fr) 1991-01-30

Family

ID=6288268

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86115583A Expired - Lifetime EP0225495B1 (fr) 1985-12-12 1986-11-10 Mélangeur

Country Status (3)

Country Link
US (1) US4781468A (fr)
EP (1) EP0225495B1 (fr)
DE (2) DE3543913A1 (fr)

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DE202018100933U1 (de) 2018-02-20 2019-05-23 Dr. Herfeld Gmbh & Co. Kg Mischmaschine
DE202019104874U1 (de) 2019-09-04 2019-09-18 Dr. Herfeld Gmbh & Co. Kg Mischmaschine
DE102019123666B3 (de) 2019-09-04 2020-07-30 Dr. Herfeld Gmbh & Co. Kg Mischmaschine
DE202019104870U1 (de) 2019-09-04 2019-09-18 Dr. Herfeld Gmbh & Co. Kg Mischmaschine
DE102019124351A1 (de) * 2019-09-11 2021-03-11 Dr. Herfeld Gmbh & Co. Kg Mischmaschine
CN114713101A (zh) * 2021-01-06 2022-07-08 湖南安邦名匠建筑安装工程有限公司 一种双旋转涂料搅拌机
DE102021131517A1 (de) 2021-12-01 2023-06-01 Dr. Herfeld Gmbh & Co. Kg Industrielle Mischmaschine
ES2995973T3 (en) 2021-11-30 2025-02-11 Dr Herfeld Gmbh & Co Kg Industrial mixer
DE202021106516U1 (de) 2021-11-30 2023-03-01 Dr. Herfeld Gmbh & Co. Kg Industrielle Mischmaschine
DE202022100646U1 (de) 2022-02-04 2023-05-09 Dr. Herfeld Gmbh & Co. Kg Industrielle Mischmaschine
DE202023105019U1 (de) 2023-09-01 2024-12-05 Dr. Herfeld Gmbh & Co. Kg Rotatorisch angetriebenes Mischwerkzeug sowie industrielle Mischmaschine ausgerüstet mit einem solchen Mischwerkzeug

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Also Published As

Publication number Publication date
EP0225495A3 (en) 1989-03-22
EP0225495A2 (fr) 1987-06-16
DE3543913A1 (de) 1987-06-19
DE3677346D1 (de) 1991-03-07
US4781468A (en) 1988-11-01

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