EP3765181B1 - Mélangeur hygiénique - Google Patents

Mélangeur hygiénique Download PDF

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Publication number
EP3765181B1
EP3765181B1 EP19709932.8A EP19709932A EP3765181B1 EP 3765181 B1 EP3765181 B1 EP 3765181B1 EP 19709932 A EP19709932 A EP 19709932A EP 3765181 B1 EP3765181 B1 EP 3765181B1
Authority
EP
European Patent Office
Prior art keywords
mixer
mixing
mixing container
axis
cover
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.)
Active
Application number
EP19709932.8A
Other languages
German (de)
English (en)
Other versions
EP3765181A1 (fr
Inventor
Andreas Seiler
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 PL19709932T priority Critical patent/PL3765181T3/pl
Publication of EP3765181A1 publication Critical patent/EP3765181A1/fr
Application granted granted Critical
Publication of EP3765181B1 publication Critical patent/EP3765181B1/fr
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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
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/10—Maintenance of mixers
    • B01F35/145—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means
    • 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
    • B01F29/40—Parts or components, e.g. receptacles, feeding or discharging means
    • B01F29/403—Disposition of the rotor axis
    • B01F29/4032—Disposition of the rotor axis vertical
    • 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
    • B01F29/40—Parts or components, e.g. receptacles, feeding or discharging means
    • B01F29/403—Disposition of the rotor axis
    • B01F29/4033—Disposition of the rotor axis inclined
    • 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
    • B01F29/40—Parts or components, e.g. receptacles, feeding or discharging means
    • B01F29/403—Disposition of the rotor axis
    • B01F29/4034—Disposition of the rotor axis variable, e.g. tiltable during the operation
    • 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
    • B01F29/60—Mixers with rotating receptacles rotating about a horizontal or inclined axis, e.g. drum mixers
    • B01F29/64—Mixers with rotating receptacles rotating about a horizontal or inclined axis, e.g. drum mixers with stirring devices moving in relation to the receptacle, e.g. rotating
    • 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
    • B01F29/82—Mixers with rotating receptacles rotating about a substantially vertical axis the receptacle comprising a rotary part, e.g. the bottom, and a stationary part, e.g. the wall, with optional use of a stirrer; the receptacle comprising parts moving in opposite directions
    • 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
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/45—Closures or doors specially adapted for mixing receptacles; Operating mechanisms therefor
    • B01F35/451—Closures or doors specially adapted for mixing receptacles; Operating mechanisms therefor by rotating them about an axis parallel to the plane of the opening
    • 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
    • B01F35/75—Discharge mechanisms
    • B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
    • B01F35/7547—Discharge mechanisms characterised by the means for discharging the components from the mixer using valves, gates, orifices or openings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/06—Mixing of food ingredients
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/22—Mixing of ingredients for pharmaceutical or medical compositions
    • 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

Definitions

  • the present invention relates to a mixing device, in particular a hygiene mixing device for the production of food products and pharmaceuticals.
  • the mixing device has a mixing container for receiving material to be mixed and a mixer lid which can close a mixer opening of the mixing container, the mixing container being rotatably mounted relative to the mixer lid in the closed position.
  • Such mixing devices also mostly have a rotatable mixing tool in the interior of the mixing container.
  • a mixing device generally to mix the material to be mixed in a mixing container as well as possible. Often, however, there are certain points within the mixing container at which mixed material collects and possibly sticks during mixing. Such points, which are usually not directly overflowed by the material to be mixed, are often located on edge surfaces, seals and in particular on the mixer lid which is stationary relative to the mixing container. The mix that has accumulated at these points consequently no longer takes part in the mixing process.
  • the mixing container often rotates around an axis of rotation during operation.
  • different angles of inclination of the rotating mixing container can enable particularly efficient processing.
  • An angle of inclination is understood to mean the angle which the axis of rotation of the rotating mixing container encloses with the vertical.
  • an angle of inclination of approx. 20 ° to 30 ° is usually used for the granulation. Due to the inclination of the mixing container, the material to be mixed is exposed to an additional downhill force, This leads to an additional rolling movement of the material to be mixed, which creates particularly spherical granules.
  • inclines of approx. 10 ° to 15 ° have again proven to be particularly advantageous in order to achieve efficient and complete mixing and particularly rapid and complete emptying.
  • a mixing tool that does not rotate with the mixing container is usually also arranged inside the mixing container.
  • the mixing tool preferably rotates about its own axis of rotation, which is mostly arranged at a certain distance from the axis of rotation of the mixing container, parallel to the latter.
  • Such a mixing tool is often designed as a mixing shaft.
  • the mixing container In areas with high hygiene requirements, such as in the production of foodstuffs and pharmaceuticals, the mixing container must also be completely and tightly closable. Mixing devices therefore usually have a mixer lid in such fields of application [OH1], which can close and seal the mixing container. In order to be able to attach a mixing tool, which should not rotate with the mixing container, to the mixer lid, the mixer lid must therefore also be designed so that it does not rotate with the mixing container during operation.
  • Known mixing devices usually have a fixed, predetermined angle of inclination which, if at all, can only be varied with great difficulty and by structural changes to the device.
  • the angle of inclination of the mixing container is usually unchangeable after the mixing device has been installed for the first time and, above all, cannot be changed during operation or for cleaning purposes.
  • the WO 2016/206625 A1 discloses a mixing device according to the preamble of claim 1 and shows a saucepan which is rotatable about an axis and has a lid.
  • the object of the present invention is therefore to provide a mixing device whose angle of inclination can be set particularly easily by the user and which can be cleaned and inspected particularly easily by the user.
  • the mixing device has a mixing container rotatable about a first axis of rotation for receiving mixed material.
  • This mixing container has a mixer opening, a mixer lid being provided which can be moved back and forth between an open position and a closed position. In the closed position the mixer cover closes the mixer opening and in the open position the mixer cover releases the mixer opening.
  • the mixing device has a machine stand in which the mixing container is rotatably or pivotably mounted. The mixer lid is attached to the machine stand in such a way that it does not have to rotate with the mixing container when the mixing container is rotated during operation in the closed position.
  • the machine stand has a stationary element and a swivel element.
  • the pivot element is mounted pivotably about a pivot axis relative to the stationary element and the mixing container is mounted rotatably on the pivot element, the mixer cover being fastened to the pivot element.
  • a sliding seal is preferably arranged between the mixer lid and the mixing container - in a closed position of the mixer lid - so that the mixer lid can close the mixing container tightly in spite of the relative rotational movement of the mixing container.
  • the user can set a desired angle of inclination by pivoting the pivot element about the pivot axis.
  • the user can increase the accessibility to areas of the mixing device that are normally inaccessible or difficult to access, which simplifies the cleaning and inspection of the mixing device.
  • the pivot axis runs through the mixing container.
  • a mixing container is generally a container with a cylindrical outer wall, an essentially circular container base and a circular mixing container opening opposite the container base.
  • the pivot axis preferably runs through the third of the mixing container which - in relation to the extension of the mixing container along the axis of rotation - is closest to the mixer opening.
  • the swivel element can be swiveled with respect to the swivel axis by at least up to 90 °, preferably at least by up to 180 ° and particularly preferably by up to 360 °.
  • the swivel range of 90 ° generally makes it possible, on the one hand, to set the inclination angles common for mixing operation and, on the other hand, to swivel the mixing container in such a way that cleaning and inspection of the interior of the container is simplified.
  • the mixing container can be pivoted from a vertical to a horizontal position - that is to say by 90 ° - cleaning and inspection of the interior is particularly easy in the horizontal position.
  • the accessibility of the swivel element increases. If, in this case, the mixing container can be pivoted from a substantially vertical position into an opposite vertical position, then on the other hand the mixer opening can be used for emptying the mixing container using gravity.
  • a swivel range of 360 ° offers all of the aforementioned advantages and enables comprehensive accessibility of the swivel element and thus all assemblies of the mixing device regardless of the location and positioning of the mixing device, which is extremely advantageous, for example, for cleaning and maintenance work.
  • first axis of rotation and the pivot axis are arranged perpendicular to one another, wherein they preferably intersect at one point.
  • This measure also leads to a compact design and to a reduction in the necessary swivel space.
  • the mixer opening is circular and the mixing container is rotationally symmetrical with respect to the first axis of rotation, specifically preferably at least partially cylindrical and / or conical.
  • Preferred embodiments have, in particular, cylindrical mixing containers with a flat bottom or conical, cylindrical or cylindrical-conical mixing containers with flat or convex or concave bottoms, for example dished bottoms.
  • the rotationally symmetrical design of the mixing container means that it can be rotated very easily.
  • the circular design of the mixer opening also facilitates the storage and sealing of the mixer cover with respect to the mixing container, because the mixer cover does not rotate with the mixing container when the mixer cover is in a closed position.
  • the mixing container has a flange.
  • This flange has a surface facing the mixer opening and a surface facing away from the mixer opening and is usually located on the outer wall of the mixing container.
  • the flange particularly preferably completely encloses the outer wall of the mixing container.
  • a pivot bearing is provided, which preferably connects the surface of the flange, which points in a direction facing away from the mixer opening, to the pivot element.
  • the mixing container is rotatably mounted about the first axis of rotation via this pivot bearing.
  • the pivot bearing can be designed as a ball bearing, for example.
  • this mounting can in principle be attached to any position of the mixing container with respect to the axis of rotation.
  • a flange has been shown to be particularly advantageous which, with respect to the axis of rotation, is attached in the third of the mixing container that is closest to the mixer opening.
  • the rotary bearing via a flange also has the advantage that there is no need for a rotary bearing on the bottom of the mixing container, as is often found in other mixing devices.
  • the bottom of the mixing container is therefore in principle freely accessible from below and can, for example, be provided with a double jacket for cooling the mixing container or mixed material with concentric liquid supply and discharge via the first axis of rotation or with an emptying opening.
  • the emptying opening is preferably smaller than the mixer opening.
  • the attachment of the pivot bearing to the surface of the flange facing away from the mixer opening also effects a first shielding of the pivot bearing from the mixer opening. This prevents lubricant, for example grease or oil, which is used to lubricate the pivot bearing and / or the associated drive, from reaching the mixer opening during operation.
  • the pivot bearing can also be attached to the other surfaces of a flange, in particular also to the surface facing the mixing container opening. This can be advantageous, for example, if attachment to the surface facing away from the mixer opening is not possible due to a lack of space due to the design.
  • the rotary bearing is surrounded by a housing (oil-tight or lubricant-tight housing) which is tight against the outlet of lubricant.
  • the housing can have seals at the interfaces to the swivel element or to the mixing container, which seal the pivot bearing from the outside space.
  • the housing can, for example, also be formed by corresponding designs of the flange and the pivot element and by seals arranged between the individual elements.
  • the mixer cover has a mixing element (mixing tool), preferably a mixer shaft, which is mounted rotatably relative to the mixer cover with respect to a second axis of rotation.
  • This mixing element is designed and arranged on the mixer lid in such a way that it is located inside the mixing container when the mixer lid is in a closed position, the second axis of rotation preferably being parallel and particularly preferably parallel but not identical to the first axis of rotation.
  • the speed of rotation of the mixing element can be selected independently of the speed of rotation of the mixing container.
  • a stripping element or a stripping device can also be arranged on the mixer lid in such a way that it is located within the mixing container when the mixer lid is in a closed position.
  • the longitudinal direction of the stripping element preferably extends parallel to the inner wall of the mixing container.
  • the stripping element (and also the mixing element) has lamellae made of an elastic material, which are in contact with the inside of the mixing container (including the inner wall and bottom) when the mixer lid is in a closed position.
  • the stripping element is movable relative to the mixing container, the stripping element preferably being rigidly connected to the non-rotating mixer lid and the mixing container moving relative to the stripping element during operation due to the rotation of the mixing container.
  • a mixing and / or stripping element of the type described brings about a more thorough mixing of the material to be mixed. Since the mixing and stripping element is attached to the mixer lid, it does not rotate with the mixing container even during operation. The mix in the mixing container is therefore moved relative to the mixing container by the rotation of the mixing container. and stripping element offset. This alone already causes a thorough mixing. If the mixing element is now set in rotation with respect to the second axis of rotation, a second superimposed mixing movement is added, which significantly improves the efficiency of the mixing device.
  • the mixing and stripping element Due to the attachment of the mixing and stripping element to the mixer lid, the mixing and stripping element is given away with a pivoting movement.
  • the lamellae described above sweep over parts of the inside of the mixing container and thereby additionally ensure that no residues of the mixed material form on the inside of the mixing container. It is particularly preferred that the stripping element sweeps over the entire height of the inner wall and at least the radially outer part of the mixing container base.
  • the rotation of the mixing element is usually generated by a drive that is also arranged on the mixer lid.
  • the drive is located on the side of the mixer cover facing away from the mixer opening and drives a mixer shaft which, when the mixer cover is in a closed position, protrudes through the mixer cover into the mixing container.
  • the pivot element has a holding frame with a rotary bearing for mounting the mixing container and at least one, preferably two, shaft sections connected to the holding frame on opposite sides of the holding frame.
  • the holding frame is designed in such a way that it at least partially surrounds the mixing container.
  • the stationary element also has one or two pivot bearings in which the shaft section or the shaft sections of the holding frame is or are each pivotably mounted. Alternatively, the pivot bearings can also be arranged on the holding frame and the shaft sections on the stationary element.
  • the pivot element is designed to be particularly simple and material-saving.
  • the holding frame can in particular also be constructed as an annular element so that it can be connected to a circular flange located on the mixing container via a pivot bearing.
  • the mixing device is provided with a hydraulic or pneumatic device which is connected both to the stationary element and to the pivoting element.
  • the hydraulic or pneumatic device for example a hydraulic piston drive, is provided to drive the pivoting element to pivot about the pivot axis. With it either a desired angle of inclination can be set or a continuous pivoting movement, for example a pendulum movement, can be driven.
  • a hydraulic or pneumatic drive for controlling the pivoting movement has proven to be advantageous. It represents a stable and inexpensive way of driving the pivoting movement.
  • the pivoting element can also be fixed simply and stably with a hydraulic or pneumatic device with a desired deflection - that is, with a desired angle of inclination of the mixing container.
  • a hydraulic or pneumatic device with a desired deflection - that is, with a desired angle of inclination of the mixing container.
  • one or more geared motors or other known drive systems for generating a rotary or pivoting movement can also be used to execute the pivoting movement.
  • the mixer lid is hinged opposite the mixer opening, with a drive, e.g. a geared motor, and particularly preferably a hydraulic or pneumatic device being arranged on the pivot element, which is provided for moving the mixer lid between the closed and open positions and move forward.
  • a drive e.g. a geared motor, and particularly preferably a hydraulic or pneumatic device being arranged on the pivot element, which is provided for moving the mixer lid between the closed and open positions and move forward.
  • a hinged mixer lid is extremely advantageous for the user, since a single movement is often sufficient to fit the lid onto the mixing container and to close the mixer opening. A complex adjustment of the mixer lid when closing the mixing container is therefore not necessary. If the hinged locking mechanism is also equipped with a drive, a push of a button is usually sufficient to open and close the mixer lid. Other solutions, such as a mixer lid attached to a gripping arm, are also conceivable, but would result in higher positioning, control and cost expenditure with regard to the closing. In addition, the cover would have to be locked using a force-fit and form-fit connection, e.g. by means of a screw.
  • the drive for folding the lid can also be used for continuous safe locking of the mixer lid in the closed state while the mixer is in operation, e.g. by maintaining the pressure or voltage continuously .
  • the mixing container has a closable emptying opening which is arranged and designed in such a way that the first axis of rotation runs through the emptying opening, particularly preferably runs centrally.
  • an emptying lid is provided which can be moved back and forth between an open position and a closed position, the emptying lid closing the emptying opening in the closed position and releasing the emptying opening in the open position.
  • Such an emptying opening has the advantage that the mixing container does not have to be pivoted for emptying in order to empty it via the mixer opening.
  • the emptying opening can be arranged, for example, above a conveyor belt, so that the ready-mixed material can be discharged immediately via the emptying opening and transported further on the conveyor belt.
  • the mixing device has a drive which is attached to the pivot element and is provided for moving the emptying cover back and forth between the closed and open position.
  • the emptying lid is arranged on the mixing container in such a way that the emptying lid can be rotated together with the mixing container relative to the pivoting element about the first axis of rotation.
  • the emptying cover is preferably designed as a segmented ball valve.
  • the arrangement of the drive on the swivel element is also particularly advantageous because the drive is subject to a swivel movement of the swivel element, but not to the rotary movement of the mixing container. This makes assembly and energy supply, in particular the cabling of the drive, significantly easier.
  • the emptying cover can be designed as a segmented ball valve and the drive as a linear drive, e.g. as a hydraulic or pneumatic piston drive.
  • the linear movement of the piston is then converted into a rotary movement of a spherical segment, which is designed as a spherical segment of the spherical segment valve, via a cam disk that rotates with the mixing container, so that the rotation of the spherical segment in one direction causes the emptying opening to close and in the other direction to open .
  • Figure 1 a sectional view of the mixing container 2 and the components of the mixing device 1 adjoining the mixing container 2 are shown.
  • the mixing container 2 is located in this Fall in a vertical position, that is, at an angle of inclination of 0 °.
  • the mixer opening 4 is located at the upper end and the emptying opening 5 is located at the lower end of the mixing container 2.
  • the mixer opening 4 is closed by the mixer cover 6 in this illustration.
  • Figure 1 accordingly shows part of the mixing device 1 with the mixer lid 6 in a closed position.
  • the emptying opening 5 is also closed by the emptying lid 7. Accordingly, it is also a representation of the closed position of the emptying cover 7.
  • the emptying cover 7 shown here is designed as a segmented ball valve which is arranged on the mixing container 2 and rotates with it during operation.
  • the emptying cover 7 is composed of two partial spherical segments 32 'and 32 "(not explicitly shown), each of which can be pivoted by a linear movement of the respective hydraulic piston drives 33' and 33".
  • the hydraulic piston drives 33 'and 33 "do not rotate with the mixing container 2 during operation.
  • the emptying cover 7 can consequently be moved from an open to a closed position or from a closed to an open position .
  • the corresponding "second" pivot axis about which the pivoting of the emptying cover 7 takes place is preferably perpendicular to the first axis of rotation 18 and rotates with the mixing container 2.
  • the mixing container 2 has a flange 9.
  • a ball bearing 10 is arranged on the side / surface of the flange 9 facing away from the mixer opening 4.
  • the flange 9 is connected to a seal 30 and to a first ball bearing rail 28 ', which in turn is rotatably supported by a ball element 29 with respect to a second ball bearing rail 28 ".
  • the second ball bearing rail 28" is attached to a holding frame of the pivot element 8, which as Part of the pivot element is formed.
  • the ball bearing 10 is surrounded by the holding frame of the pivot element 8, the flange 9 and the seal 30 in such a way that the entirety of these components 8, 9 and 30 delimit the ball bearing oil-tight, more precisely lubricant-tight, from the exterior.
  • the entirety of the components 8, 9 and 30 therefore forms a lubricant-tight housing 27.
  • the ball bearing 10 is set in motion via the drive 11, as a result of which the rotation of the mixing container about the first axis of rotation 18 is driven.
  • the in Figure 1 The mixer lid 6 shown rests against the mixer opening 4 via a seal 26 on the edge surfaces of the mixing container 2.
  • the seal 26 is a sliding seal.
  • the mixer lid 6 is also mounted via a hinge 21 which can be actuated via a hydraulic device 12. This causes a back and forth movement between an open and closed position of the mixer lid 6.
  • the hydraulic device 12 is on the one hand connected to the mixer cover 6 (the hinge 21 of the mixer cover 6) and on the other hand connected to the holding frame of the pivot element 8. With a pivoting movement of the pivoting element 8, the hydraulic device 12 together with the mixer cover 6 therefore performs the same pivoting movement as the pivoting element 8.
  • a mixer shaft 3 which protrudes into the interior of the mixing container 2, is arranged on the mixer cover 6.
  • the mixer shaft can be set in rotation about the second axis of rotation 19 via the drive 13, which is also arranged on the mixer cover.
  • wings 14 and floor scrapers 15 are attached to mixer shaft 3.
  • the blades 14 bring about an efficient thorough mixing of the material to be mixed when the mixing device 1 is in operation.
  • the floor scrapers 15 end in the vicinity of the mixing container bottom 31 and are designed in such a way that, when the mixing device 1 is in operation, the floor scrapers 15 sweep over the mixing container bottom 31, so that mixed material that has accumulated on the mixing container bottom 31 is detached from the mixing container bottom 31 without the floor scraper 15 being swept over Damage to the mixing container bottom 31 occurs.
  • the floor scrapers 15 can be designed as lamellas made of an elastic material or also of a rigid material such as a plastic.
  • FIG 2 a sectional view of the entire mixing device 1 is shown.
  • the first axis of rotation 18, the second axis of rotation 19 and the pivot axis 20 are shown in this illustration.
  • the first axis of rotation 18 and the second axis of rotation 19 are arranged parallel to one another but spaced apart. This is also referred to as an asymmetrical arrangement of the mixer shaft 3.
  • the overhung stripping device 22, which extends along the mixing container wall to the mixing container base 31, is firmly connected to the mixer lid 6. When the mixing container 2 rotates about the first axis of rotation 18, this rotational movement alone causes the mix to flow onto the mixer shaft 3 and the stripping device 22.
  • the blades 14 of the mixer shaft 3 as well as the stripping device 22 therefore cause this relative movement alone a thorough mixing, even if the mixer shaft 3 itself does not rotate. If, however, a rotation of the mixer shaft 3 about the second axis of rotation 19 is driven, an additional thorough mixing of the material to be mixed is effected.
  • the bottom scrapers 15 can be arranged and designed in such a way that after a certain number of revolutions of the mixing container 2 and a certain number of revolutions of the mixer shaft 3, a bottom scraper 15 sweeps over each point of the mixing container bottom 31 at least once.
  • Figure 2 also shows the machine stand 16.
  • this consists of two stands arranged on two opposite sides of the pivot element 8, in each of which a pivot bearing 17 is arranged.
  • the pivot element 8 is thus mounted pivotably about the pivot axis 20 via the pivot bearing 17.
  • the pivot axis 20 is arranged perpendicular to the first axis of rotation 18 and consequently also perpendicular to the second axis of rotation 19.
  • a material transfer 25 is shown, which is arranged in the lower region of the pivot element and adjoins the emptying opening 5 of the mixing container 2. Mixture that has been appropriately mixed in the mixing container 2 can thus be drained into the material transfer line 25 via the emptying opening 5 and transferred from there, for example, to a conveyor belt.
  • FIG 3 a perspective view of the entire mixing device 1 is shown.
  • the mixing device 1 is shown with the mixer cover 6 in an open position.
  • the mixing container 2 is inclined by an angle of inclination of approximately 20 °, since the pivot element is pivoted by approximately 20 ° in the direction facing the viewer. It can be seen from this illustration that the angle of inclination can be adjusted easily and to any desired extent by pivoting about the pivot axis.
  • the hinged mixer lid 6 is in Figure 3 opened in such a way that the mixer shaft 3 is arranged outside the mixing container 1 and the mixer opening 4 is completely visible. Due to the hinged mounting of the mixer cover 6 via the hinge 21, the mixer cover 6 can easily be opened and closed. This mechanism is in Figure 3 particularly easy to recognize.
  • the stripping device 22 can be seen, which is also attached to the mixer lid 6. Like the mixer shaft 3, it does not rotate with the mixing container 2 when it rotates and protrudes into the mixing container 2 when the mixer lid 6 is in a closed position.
  • the stripping device 22 has, for example, a rail made of an elastic material, which is in contact with the lateral inner wall of the mixing container 2 when the mixer lid 6 is in a closed position.
  • the drive 24 for the pivoting movement of the pivoting element is visible in the machine stand 16 on the side facing the viewer.
  • the accessibility of the drive with regard to maintenance work is given by the doors 23 (partially hidden) of the machine stand 16.

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

Claims (12)

  1. Dispositif de mélange avec un récipient de mélange (2), pouvant tourner autour d'un premier axe de rotation (18) et destiné à accueillir du produit à mélanger, qui présente une ouverture de mélangeur (4), et un couvercle de mélangeur (6) pouvant être déplacé d'avant en arrière entre une position ouverte et une position fermée, dans lequel le couvercle de mélangeur (6) ferme l'ouverture de mélangeur (4) dans la position fermée et dégage l'ouverture de mélangeur (4) dans la position ouverte, dans lequel un bâti de machine (16) est prévu au sein duquel le récipient de mélange (2) est monté rotatif et auquel le couvercle de mélangeur (6) est fixé de telle manière que le récipient de mélange (2) peut tourner autour du premier axe de rotation (18) par rapport au couvercle de mélangeur (6) dans la position fermée du couvercle de mélangeur (6), dans lequel un entraînement prévu pour générer un mouvement rotatif du récipient de mélange (2) autour du premier axe de rotation (18) est agencé de manière préférée au niveau du bâti de machine (16),
    dans lequel
    le bâti de machine (16) présente un élément fixe et un élément pivotant, dans lequel l'élément pivotant est monté de manière à pouvoir pivoter par rapport à l'élément fixe autour d'un axe de pivotement (20), dans lequel le récipient de mélange (2) est monté de manière à pouvoir tourner au niveau de l'élément pivotant et le couvercle de mélangeur (6) est fixé à l'élément pivotant, caractérisé en ce que le couvercle de mélangeur (6) présente un élément mélangeur (3), de manière préférée un arbre mélangeur (3), monté par rapport au couvercle de mélangeur (6) de manière à pouvoir tourner par rapport à un second axe de rotation (19) et réalisé et agencé de telle manière que, dans la position fermée du couvercle de mélange (6), il se trouve à l'intérieur du récipient de mélange (2), dans lequel le second axe de rotation (19) est de manière préférée parallèle au premier axe de rotation (18) et est de manière particulièrement préférée parallèle au premier axe de rotation (18) sans être identique à celui-ci.
  2. Dispositif de mélange selon la revendication 1, caractérisé en ce que l'axe de pivotement (20) s'étend à travers le récipient de mélange (2).
  3. Dispositif de mélange selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément pivotant peut pivoter par rapport à l'axe de pivotement (20) au moins jusqu'à 90°, de manière préférée au moins jusqu'à 180° et de manière particulièrement préférée au moins jusqu'à 360°.
  4. Dispositif de mélange selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier axe de rotation (18) et l'axe de pivotement (20) sont agencés perpendiculairement l'un à l'autre et se coupent de manière préférée en un point.
  5. Dispositif de mélange selon l'une quelconque des revendications précédentes, caractérisé en ce que l'ouverture de mélangeur (4) est réalisée de manière à présenter une forme circulaire et le récipient de mélange (2) est réalisé de manière à présenter une symétrie de rotation par rapport au premier axe de rotation (18), de manière préférée est réalisé de manière à présenter une forme cylindrique ou conique par sections.
  6. Dispositif de mélange selon la revendication 4 ou 5, caractérisé en ce que le récipient de mélange (2) présente une bride (9) avec une surface tournée vers l'ouverture de mélangeur (4) et une surface tournée à l'opposé de l'ouverture de mélange (4), et un palier de rotation (10) est prévu qui relie la surface, tournée à l'opposé de l'ouverture, de la bride (9) à l'élément pivotant.
  7. Dispositif de mélange selon la revendication 6, caractérisé en ce que l'élément pivotant présente un boîtier (27) étanche par rapport à la sortie de lubrifiant et entourant le palier de rotation (10).
  8. Dispositif de mélange selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément pivotant (8) présente un cadre de retenue avec un palier de rotation permettant le montage sur palier du récipient de mélange (2), dans lequel le cadre de retenue entoure au moins partiellement le récipient de mélange (2), et au moins une section d'arbre et un palier de pivotement (17) sont prévus, dans lequel la section d'arbre est montée pivotante au sein du palier de pivotement (17), et ou bien la section d'arbre est fixée au cadre de retenue et le palier de pivotement (17) est fixé à l'élément fixe ou bien la section d'arbre est fixée à l'élément fixe et le palier de pivotement (17) est fixé au cadre de retenue.
  9. Dispositif de mélange selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de mélange présente un dispositif d'entraînement, de manière préférée un dispositif hydraulique ou pneumatique, qui est relié à la fois à l'élément fixe et à l'élément pivotant (8) et est destiné à permettre un pivotement de l'élément pivotant (8) autour de l'axe de pivotement (20).
  10. Dispositif de mélange selon l'une quelconque des revendications précédentes, caractérisé en ce que le couvercle de mélangeur (6) est monté rabattable par rapport à l'ouverture de mélange (4), dans lequel un dispositif d'entraînement, de manière particulièrement préférée un dispositif hydraulique ou pneumatique, est agencé au niveau de l'élément pivotant (8) et est destiné à déplacer d'avant en arrière le couvercle de mélangeur (6) entre la position fermée et la position ouverte.
  11. Dispositif de mélange selon l'une quelconque des revendications précédentes, caractérisé en ce que le récipient de mélange (2) présente une ouverture de vidange (5) pouvant être fermée, qui est agencée et réalisée de telle manière que le premier axe de rotation (18) s'étend à travers l'ouverture de vidange (5), et un couvercle de vidange (7) est prévu qui peut être déplacé d'avant en arrière entre une position ouverte et une position fermée, dans lequel le couvercle de vidange (7) ferme l'ouverture de vidange (5) dans la position fermée et dégage l'ouverture de vidange (5) dans la position ouverte.
  12. Dispositif de mélange selon la revendication 11, caractérisé en ce qu'un dispositif d'entraînement, de manière préférée un entraînement à piston hydraulique ou pneumatique, est prévu qui est fixé à l'élément pivotant (8) et est destiné à déplacer d'avant en arrière le couvercle de vidange (6) entre la position fermée et la position ouverte, et le couvercle de vidange (6) est agencé au niveau du récipient de mélange (2) et, dans la position fermée du couvercle de vidange (6), peut tourner par rapport à l'élément pivotant (8) autour du premier axe de rotation (18).
EP19709932.8A 2018-03-16 2019-03-08 Mélangeur hygiénique Active EP3765181B1 (fr)

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PCT/EP2019/055886 WO2019175058A1 (fr) 2018-03-16 2019-03-08 Mélangeur hygiénique

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CN112354437A (zh) * 2020-11-18 2021-02-12 淮南市雅洁洗涤用品有限公司 一种肥皂生产用原料搅拌装置
CN112546919A (zh) * 2020-12-22 2021-03-26 姚纪连 一种建筑材料生产用混料系统及其混料工艺
CN112973520A (zh) * 2021-02-07 2021-06-18 浙江交投丽新矿业有限公司 一种用于矿山生态修复的复绿设备
CN112957946A (zh) * 2021-03-10 2021-06-15 河南建筑材料研究设计院有限责任公司 带有非对称、逆向、内加热搅拌轴的高速分散搅拌釜
CN114146603B (zh) * 2021-10-23 2024-02-13 济南约克农牧器械有限公司 一种针对猪精液使用的稀释液加工处理装置
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PL3765181T3 (pl) 2021-12-27
JP2021516607A (ja) 2021-07-08
UA126828C2 (uk) 2023-02-08
KR102606505B1 (ko) 2023-11-28
PT3765181T (pt) 2021-11-12
US20210016238A1 (en) 2021-01-21
EP3765181A1 (fr) 2021-01-20
JP7269251B2 (ja) 2023-05-08
KR20200130732A (ko) 2020-11-19
ZA202005079B (en) 2022-01-26
BR112020016079A2 (pt) 2020-12-15
ES2895671T3 (es) 2022-02-22
CN111867712A (zh) 2020-10-30
DE102018106189A1 (de) 2019-09-19
RU2768399C1 (ru) 2022-03-24
US11684900B2 (en) 2023-06-27
CA3090229A1 (fr) 2019-09-19
CN111867712B (zh) 2022-08-23
WO2019175058A1 (fr) 2019-09-19

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