EP2168670A1 - Mixing machine - Google Patents
Mixing machine Download PDFInfo
- Publication number
- EP2168670A1 EP2168670A1 EP09170314A EP09170314A EP2168670A1 EP 2168670 A1 EP2168670 A1 EP 2168670A1 EP 09170314 A EP09170314 A EP 09170314A EP 09170314 A EP09170314 A EP 09170314A EP 2168670 A1 EP2168670 A1 EP 2168670A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- tool
- mixing
- container receptacle
- drive unit
- 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
Links
- 229920003023 plastic Polymers 0.000 claims description 36
- 239000000203 mixture Substances 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 14
- 238000010276 construction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 14
- 238000007789 sealing Methods 0.000 description 5
- 206010040954 Skin wrinkling Diseases 0.000 description 4
- 239000013590 bulk material Substances 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 229920000426 Microplastic Polymers 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/60—Mixing solids with solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
- B01F27/1123—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades sickle-shaped, i.e. curved in at least one direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/192—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
-
- 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
- B01F27/805—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis wherein the stirrers or the receptacles are moved in order to bring them into operative position; Means for fixing the receptacle
- B01F27/806—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis wherein the stirrers or the receptacles are moved in order to bring them into operative position; Means for fixing the receptacle with vertical displacement of the stirrer, e.g. in combination with means for pivoting the stirrer about a vertical axis in order to co-operate with different receptacles
-
- 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
-
- 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
- B01F2101/30—Mixing paints or paint ingredients, e.g. pigments, dyes, colours, lacquers or enamel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/50—Mixing receptacles
- B01F35/511—Mixing receptacles provided with liners, e.g. wear resistant or flexible liners
Definitions
- the invention relates to a mixing machine comprising a container receptacle with a receiving opening for receiving a container containing a mix and a motor rotatably driven, sitting on a drive shaft tool as part of a drive unit, wherein the tool and the container receptacle for introducing the tool into the container relative to each other are movable.
- Such mixing machines are industrial mixers used for mixing bulk material, in particular powdered bulk material or granules. For example, mixtures of plastic granules or powder mixtures for the paint industry are mixed with such mixers, just to name a few examples.
- Such a mixing machine has a container which, depending on the design of the mixing machine, forms the mixing container into which the material to be mixed - the mix - is filled for the mixing process. For the process of mixing, it is necessary to move the mix within the container to form a Mischgutstromes, wherein such a flow is a turbulent flow, according to which the material to be mixed is mixed.
- dispersing tools extending into the mixture flow can be used to improve the mixing.
- Such dispersing tools are seated on a drive shaft rotatably driven by a motor and are part of a drive unit. Since such a tool must be arranged within the container for the process of mixing, the tool or the drive unit with the tool and the container are movable relative to each other.
- the container receptacle itself is resiliently held for this purpose. Axially passes through the mounting flange of the drive unit to which the plastic bag is connected, the drive shaft with a dispersing tool sitting thereon.
- the dispersing tool serves only the purpose of introducing turbulence in the Mischgutstrom.
- wrinkles may form in the area between the upper end of the container and the mounting flange of the drive unit to which the free end of the plastic bag is connected.
- wrinkles in the inner surface of the container or the container in which the Mischgutstrom is generated but hinder the mixing process; Also, it may happen that accumulates in the folds material, which is then not further mixed with the other material.
- the invention the task of further developing an aforementioned, generic mixing machine with a container receptacle for receiving a container containing the mix that can be mixed with such a mixing machine not only exclusively in plastic bags contained as a container mix, but in the use of plastic bags as Container and the risk of wrinkling is at least largely avoided.
- an aforementioned, generic mixing machine in which the tool sitting on the drive shaft is a mixing tool designed to produce a mixing movement of the mixed material to be mixed in the container mixing tool, in which the drive unit has a connector and in which the container receptacle and / or the container is connected by means of the connecting piece to the drive unit in the working position of container receptacle and mixing tool.
- a tool sitting on the drive shaft of the drive unit is responsible for the generation of the mixed material flow.
- This is designed in the style of a mixing blade tool.
- the drive unit has a connection piece with which the container receptacle and / or the container in the working position (mixing position) of the container receptacle and mixing tool is connected to the drive unit.
- both elements form an objective unit.
- such containers can be taken with mixed material in the container receptacle, which have no such flexibility as plastic bags.
- a container for example, in addition to plastic bags and plastic buckets or other containers can be used.
- the container receptacle When using a plastic bucket or plastic drum as a container whose opening can be connected directly to the connector.
- the container receptacle is used to hold such a container, in particular for its centering.
- the container receptacle itself with their upper-side opening either together or with the interposition of the container itself connected to the connector.
- a cover assigned to the drive unit is provided as the connection piece. This is used depending on the configuration for closing the receiving opening of the container receptacle or the container itself.
- the connector not only serves the purpose of creating a representational unit between the container and drive unit for the process of mixing, but also this forms the closure for the container .
- the connection of the lid to the container receptacle or the container can be provided in the working position with the interposition of a seal, which may for example be designed as a skin-provided sealing cord.
- a plastic bag or pouch is provided as the container to be mixed with the mix in the container receptacle, it is possible to bring the opening-side end out of the container receptacle and to turn it over in the manner of a collar. If the mixing machine has a lid as a connection piece, it also fixes the plastic bag at the upper end of the container receptacle in its working position. This requires no additional activities for connecting the plastic bag to the container receptacle or the drive unit.
- the container receptacle itself is typically designed with a cylindrical inner circumferential surface.
- To fix the container will usually provide a vacuum fixation, as this is known per se.
- the container to be used in such a container receptacle is tapered conically according to a preferred embodiment to its bottom, in particular frustoconical with a small, deviating from the perpendicular angle.
- the container In the area of its opening-side sections, however, the container is adapted to the inner diameter of the container receptacle, so that it lies completely against it. Therefore, these portions serve simultaneously as an outer seal against the vacuum-fixed container sections.
- An industrial mixing machine 1 has a container receptacle 2, which is rigidly mounted on a base plate 3. On the base plate 3, a lifting column 4 is arranged next to the container receptacle 2, which carries a generally designated by the reference numeral 5 drive unit. By means of the lifting column 4, the drive unit 5 is movable in the vertical direction. In FIG. 1 is the drive unit 5 in its upper end position.
- the drive unit 5 comprises as a drive unit a three-phase electric motor 6.
- the motor 6 is mechanically connected to a motor support 7, which is connected with the interposition of a pivot joint 8 to the lifting column 4.
- the pivot pin of the pivot joint 8 is in FIG. 1 marked with the reference numeral 9.
- FIG. 1 shown position can be adjusted counterclockwise. Fixed is the in FIG. 1
- the fixing bolt 11 can be raised and lowered by an adjusting lever 12 and thus from the locked position, as shown in FIG FIG. 1 is shown, moved out.
- the mixing tool 15 includes a lower mixing blade tool and one of them in the direction of the electric motor 6 out spaced horn tool 17.
- the two wings 18, 18.1 of the mixing blade tool 16 are employed, thus have a relation to a transverse to the longitudinal axis of the drive shaft 14 extending plane on a slope. Relative to the direction of rotation, the two wings 18, 18.1 are articulated in the same direction.
- the two horns 19, 19.1 of the horn tool 17 are in the illustrated embodiment at an angular distance about 90 ° to the orientation of the wings 18, 18.1 of the mixing blade tool 16.
- the horns 19, 19.1 are employed in the same direction with the wings 18, 18.1, albeit with a much lower angle of inclination.
- the mixing blade tool 16 is used to generate a Mischgutstromes during operation of the mixing machine. 1
- the mixing machine 1 is used for mixing of mixed material, which is contained in a container and also remains for the process of mixing in the container.
- a container for example, a plastic bag or a bucket or any other suitable container serve.
- the container receptacle 2 has a vacuum fixation.
- the container receptacle 2 is constructed double-walled in its lower portion, as this in FIG. 2 is recognizable.
- a vacuum chamber is formed, from which air is drawn off via a vacuum pump connection 22 for fixing a container in the container receptacle 2, thus generating a negative pressure.
- the outer wall 20 is sealed to the outside of the container receptacle 2 connected.
- the container receptacle 2 is provided in its portion enclosed by the outer wall 20 with a plurality of perforations arranged in the manner of a grid (not shown in the figures). This is necessary to suck the container to the inner wall of the container receptacle 2 and thereby fix.
- the drive unit 5 has a cover 23 attached to the motor mount 7.
- the cover 23 is movable with the drive unit 5 in the vertical direction relative to the container receptacle 2.
- the lid 23 serves as shown FIG. 2 can be seen in which the drive unit 5 and the container receptacle 2 in its working position - in the Mischreazan - are shown, for closing the upper-side receiving opening ⁇ the container receptacle 2. In this position, the lid 23 acts with the interposition of a provided with a skin sealing cord 24 as a seal against the upper end of the container 2, under bias.
- the container receptacle 2 is closed and, on the other hand, the container receptacle 2 is connected to the drive unit 5, to form an objective unit with this.
- a positioning cylinder 25th For adjusting the drive unit 5 in the vertical direction is a positioning cylinder 25th
- the wing mixing tool 16 which is designed as a so-called Bodenippor, with a small distance to the bottom 26 of the container receptacle 2.
- the span of the wings 18, 18.1 relative to the inner diameter of the container receptacle 2 is relatively large.
- the container receptacle 2 is designed as a ring cylinder. Is used in the container receptacle 2, before the drive unit 5 from its in FIG. 1 shown position in their lowered, in FIG. 2 shown working position has been brought, a plastic bag 27 as a container.
- the plastic bag 27 is in the actual sense an inliner, which can be produced for example as a deep-drawn plastic part.
- the plastic bag 27 is tapered conically starting from the receiving opening ⁇ the container receptacle 2 towards the bottom 26. This facilitates insertion and removal of the plastic bag 27 into the container receptacle 2 into or out of it. In the plastic bag 27 is up to the in FIG. 2 indicated level F contain the good to be mixed.
- the plastic bag 27 is folded over the upper end of the container receptacle 2 to form a collar 28 to the outside.
- the sealing cord 24 of the lid 23 acts on the apex of the collar 28, whereby the plastic bag 27 is fixed on the upper side by the lid at the same time.
- the mixing machine 1 To prepare a mixing process is the mixing machine 1 in their in FIG. 1 shown position.
- the plastic bag 27 In the receiving opening ⁇ the container receptacle 2, the plastic bag 27 is used with the mix and fixed therein by applying a negative pressure by means of a vacuum pump in the negative pressure chamber 21.
- the collar 28 is, if not done before, overturned around the top of the container receptacle 2.
- the drive unit 5 is lowered by means of the adjusting cylinder 25 so that the tools 16, 17 can dip into the plastic bag 27 and the mix contained therein.
- the mixing blade tool 16 and thus the horn tool 17 is driven counterclockwise at low speed.
- the drive device 5 and with this the tools 16, 17 back into their in FIG. 1 shown position.
- the tools 16, 17 are moved out of the plastic bag 27, they are driven in a dextrorotatory manner so that mixed material located thereon can fall from the wings 18, 18.1 or the horns 19, 19.1 into the open plastic bag 27.
- the drive unit 5 is in its in FIG. 1 shown position, this may additionally, as in FIG. 3 in a plan view of the mixing machine 1, from its in FIG. 1 be shown pivoted out position.
- a removal of the plastic bag 27 is facilitated as a container with the now mixed mix from the container receptacle 2.
- the container can be closed before it is removed from the container receptacle 2, if desired.
Abstract
Description
Die Erfindung betrifft eine Mischmaschine, umfassend eine Gebindeaufnahme mit einer Aufnahmeöffnung zur Aufnahme eines ein Mischgut enthaltenden Gebindes sowie ein motorisch drehbar angetriebenes, auf einer Antriebswelle sitzendes Werkzeug als Teil einer Antriebseinheit, wobei das Werkzeug und die Gebindeaufnahme zum Einbringen des Werkzeuges in das Gebinde relativ zueinander bewegbar sind.The invention relates to a mixing machine comprising a container receptacle with a receiving opening for receiving a container containing a mix and a motor rotatably driven, sitting on a drive shaft tool as part of a drive unit, wherein the tool and the container receptacle for introducing the tool into the container relative to each other are movable.
Bei derartigen Mischmaschinen handelt es sich um industrielle Mischer, die zum Mischen von Schüttgut, insbesondere pulverförmigem Schüttgut oder Granulaten eingesetzt werden. Gemischt werden mit derartigen Mischern beispielsweise Kunststoffgranulatgemische oder Pulvermischungen für die Farbindustrie, nur um einige wenige Beispiele zu nennen. Eine solche Mischmaschine verfügt über einen Behälter, der je nach Ausgestaltung der Mischmaschine den Mischbehälter bildet, in den das zu mischende Gut - das Mischgut - für den Vorgang des Mischens eingefüllt wird. Für den Vorgang des Mischens ist es erforderlich, das Mischgut innerhalb des Behälters unter Ausbildung eines Mischgutstromes zu bewegen, wobei es sich bei einer solchen Strömung um eine turbulente Strömung handelt, derzufolge das zu mischende Gut durchmischt wird. Neben einer Einrichtung zum Erzeugen eines solchen Mischgutstromes können in den Mischgutstrom hineinreichende Dispergierwerkzeuge zum Verbessern der Durchmischung eingesetzt werden. Derartige Dispergierwerkzeuge sitzen auf einer motorisch drehbar angetriebenen Antriebswelle und sind Teil eines Antriebsaggregates. Da ein solches Werkzeug innerhalb des Behälters für den Vorgang des Mischens angeordnet sein muss, sind das Werkzeug bzw. die Antriebseinheit mit dem Werkzeug und der Behälter relativ zueinander bewegbar.Such mixing machines are industrial mixers used for mixing bulk material, in particular powdered bulk material or granules. For example, mixtures of plastic granules or powder mixtures for the paint industry are mixed with such mixers, just to name a few examples. Such a mixing machine has a container which, depending on the design of the mixing machine, forms the mixing container into which the material to be mixed - the mix - is filled for the mixing process. For the process of mixing, it is necessary to move the mix within the container to form a Mischgutstromes, wherein such a flow is a turbulent flow, according to which the material to be mixed is mixed. In addition to a device for producing such a mixed material stream, dispersing tools extending into the mixture flow can be used to improve the mixing. Such dispersing tools are seated on a drive shaft rotatably driven by a motor and are part of a drive unit. Since such a tool must be arranged within the container for the process of mixing, the tool or the drive unit with the tool and the container are movable relative to each other.
Um nach dem Vorgang des Mischens eine Reinigung des Behälters zu vermeiden, wenn mit der Mischmaschine in einem nachfolgenden Mischprozess ein anderes Material zu mischen ist, sind Mischmaschinen entwickelt worden, bei denen sich das Mischgut in einem Kunststoffsack als Gebinde befindet. Bei einer solchen vorbekannten Mischmaschine dient somit der Behälter nur mittelbar als Mischbehälter, da das Mischgut selbst in dem in dem Behälter befindlichen Gebinde angeordnet ist. Daher handelt es sich bei einem solchen Behälter letztendlich um eine Gebindeaufnahme. Fixiert wird der Kunststoffsack mit dem Mischgut durch Unterdruck in der Gebindeaufnahme. Der obere, die Einfüllöffnung des Kunststoffsackes einfassende Rand des Kunststoffsackes wird an einem der Antriebseinheit zugeordneten Flansch befestigt. Als Einrichtung zum Erzeugen eines Mischgutstromes dient ein auf die Gebindeaufnahme wirkender Vibrationsantrieb. Die Gebindeaufnahme selbst ist zu diesem Zweck federnd gehalten. Axial durchgreift den Befestigungsflansch der Antriebseinheit, an dem der Kunststoffsack angeschlossen wird, die Antriebswelle mit einem darauf sitzenden Dispergierwerkzeug. Das Dispergierwerkzeug dient allein dem Zweck, Turbulenzen in den Mischgutstrom einzubringen.In order to avoid a cleaning of the container after the process of mixing, when mixing with the mixing machine in a subsequent mixing process, a different material, mixing machines have been developed in which the mix is in a plastic bag as a container. In such a known mixing machine is used Thus, the container only indirectly as a mixing container, since the mix is placed even in the container located in the container. Therefore, such a container is ultimately a container receptacle. The plastic bag is fixed with the mix by negative pressure in the container receptacle. The upper, the filling opening of the plastic bag bordering edge of the plastic bag is attached to a drive unit associated flange. As means for generating a Mischgutstromes acting on the container receptacle vibration drive is used. The container receptacle itself is resiliently held for this purpose. Axially passes through the mounting flange of the drive unit to which the plastic bag is connected, the drive shaft with a dispersing tool sitting thereon. The dispersing tool serves only the purpose of introducing turbulence in the Mischgutstrom.
Es hat sich gezeigt, dass eine solchermaßen konzipierte Mischmaschine sich nur zum Mischen von ganz bestimmten Mischgütern eignet. Um ein bestimmungsgemäßes Mischergebnis zu erzielen, müssen die zu mischenden Partikel eine annähernd gleiche Größe und ein annähernd gleiches spezifisches Gewicht aufweisen. Anderenfalls hat sich gezeigt, dass sich das Mischgut im Zuge des Mischprozesses entmischt mit der Folge, dass sich am Ende des Mischvorganges leichteres Material zuoberst und schwereres zuunterst befindet. Überdies eignet sich diese vorbekannte Mischmaschine nur zur Aufnahme von Kunststoffsäcken als Gebinden, da nur ein derartiges Gebinde eine ausreichende Flexibilität aufweist, um infolge der Fixierung des Gebindes in der Gebindeaufnahme und dessen Anschluss an die Antriebseinheit die Vibrationsbewegungen der Gebindeaufnahme gegenüber der diesbezüglich feststehenden Antriebseinheit ausgleichen zu können. Mitunter können sich in dem Bereich zwischen dem oberen Abschluss des Behälters und dem Befestigungsflansch der Antriebseinheit, an den das freie Ende des Kunststoffsackes angeschlossen wird, Falten bilden. Falten in der inneren Oberfläche des Behältnisses bzw. des Gebindes, in dem der Mischgutstrom erzeugt wird, behindern jedoch den Mischvorgang; auch kann es vorkommen, dass sich in den Falten Material ansammelt, welches sodann nicht weiter mit dem anderen Material durchmischt wird.It has been found that a mixing machine designed in this way is only suitable for mixing very specific mixes. In order to achieve a proper mixing result, the particles to be mixed must have an approximately equal size and an approximately equal specific gravity. Otherwise, it has been shown that the mix is segregated in the course of the mixing process, with the result that at the end of the mixing process lighter material is at the top and heavier at the bottom. Moreover, this known mixing machine is only suitable for receiving plastic bags as containers, since only such a container has sufficient flexibility to compensate due to the fixation of the container in the container receptacle and its connection to the drive unit, the vibration movements of the container receptacle relative to this fixed drive unit can. Occasionally, wrinkles may form in the area between the upper end of the container and the mounting flange of the drive unit to which the free end of the plastic bag is connected. However, wrinkles in the inner surface of the container or the container in which the Mischgutstrom is generated, but hinder the mixing process; Also, it may happen that accumulates in the folds material, which is then not further mixed with the other material.
Ausgehend von diesem diskutierten Stand der Technik liegt der Erfindung die Aufgabe zugrunde, eine eingangs genannte, gattungsgemäße Mischmaschine mit einer Gebindeaufnahme zur Aufnahme eines das Mischgut enthaltenden Gebindes dergestalt weiterzubilden, dass mit einer solchen Mischmaschine nicht nur ausschließlich in Kunststoffsäcken als Gebinde enthaltenes Mischgut gemischt werden kann, sondern bei der bei einem Einsatz von Kunststoffsäcken als Gebinde auch die Gefahr einer Faltenbildung zumindest weitestgehend vermieden ist.Based on this discussed prior art, the invention the task of further developing an aforementioned, generic mixing machine with a container receptacle for receiving a container containing the mix that can be mixed with such a mixing machine not only exclusively in plastic bags contained as a container mix, but in the use of plastic bags as Container and the risk of wrinkling is at least largely avoided.
Gelöst wird diese Aufgabe erfindungsgemäß durch eine eingangs genannte, gattungsgemäße Mischmaschine, bei der das auf der Antriebswelle sitzende Werkzeug ein nach Art eines Mischflügelwerkzeuges zum Erzeugen einer Mischbewegung des in dem Gebinde zu mischenden Mischgutes konzipiertes Mischwerkzeug ist, bei der die Antriebseinheit über ein Anschlussstück verfügt und bei der in der Arbeitsstellung von Gebindeaufnahme und Mischwerkzeug die Gebindeaufnahme und/oder das Gebinde mittels des Anschlussstückes an die Antriebseinheit angeschlossen ist.This object is achieved according to the invention by an aforementioned, generic mixing machine, in which the tool sitting on the drive shaft is a mixing tool designed to produce a mixing movement of the mixed material to be mixed in the container mixing tool, in which the drive unit has a connector and in which the container receptacle and / or the container is connected by means of the connecting piece to the drive unit in the working position of container receptacle and mixing tool.
Bei dieser Mischmaschine ist für die Generierung des Mischgutstromes ein auf der Antriebswelle der Antriebseinheit sitzendes Werkzeug verantwortlich. Dieses ist nach Art eines Mischflügelwerkzeuges konzipiert. Die Antriebseinheit verfügt über ein Anschlussstück, mit dem die Gebindeaufnahme und/oder das Gebinde in der Arbeitsstellung (Mischstellung) von Gebindeaufnahme und Mischwerkzeug an die Antriebseinheit angeschlossen ist. Somit bilden in der Arbeitsstellung von Gebinde oder Gebindeaufnahme und Mischwerkzeug beide Elemente eine gegenständliche Einheit. Aus diesem Grunde können in die Gebindeaufnahme auch solche Gebinde mit Mischgut aufgenommen werden, die keine solche Flexibilität wie Kunststoffsäcke aufweisen. Als Gebinde können beispielsweise neben Kunststoffsäcken auch Kunststoffeimer oder andere Behältnisse eingesetzt werden. Da ein Bewegungsausgleich zwischen dem Behälter und der Antriebseinheit in der Arbeitsstellung der beiden Elemente nicht erforderlich ist, ist infolgedessen auch eine Faltenbildung vermieden. Bei Einsatz eines Kunststoffeimers oder Kunststofffasses als Gebinde kann dessen Öffnung unmittelbar an das Anschlussstück angeschlossen werden. Die Gebindeaufnahme dient zum Halten eines solchen Gebindes, insbesondere zu seiner Zentrierung. Gemäß einer anderen Ausgestaltung wird die Gebindeaufnahme selbst mit ihrer oberseitigen Öffnung entweder zusammen oder unter Zwischenschaltung des Gebindes selbst an das Anschlussstück angeschlossen.In this mixing machine, a tool sitting on the drive shaft of the drive unit is responsible for the generation of the mixed material flow. This is designed in the style of a mixing blade tool. The drive unit has a connection piece with which the container receptacle and / or the container in the working position (mixing position) of the container receptacle and mixing tool is connected to the drive unit. Thus, in the working position of container or container receptacle and mixing tool both elements form an objective unit. For this reason, such containers can be taken with mixed material in the container receptacle, which have no such flexibility as plastic bags. As a container, for example, in addition to plastic bags and plastic buckets or other containers can be used. Since a compensation of movement between the container and the drive unit in the working position of the two elements is not required, as a result, wrinkling is avoided. When using a plastic bucket or plastic drum as a container whose opening can be connected directly to the connector. The container receptacle is used to hold such a container, in particular for its centering. According to another embodiment, the container receptacle itself with their upper-side opening either together or with the interposition of the container itself connected to the connector.
Gemäß einem bevorzugten Ausführungsbeispiel ist als Anschlussstück ein der Antriebseinheit zugeordneter Deckel vorgesehen. Dieser dient je nach Ausgestaltung zum Verschließen der Aufnahmeöffnung der Gebindeaufnahme oder des Gebindes selbst. Bei dieser Ausgestaltung dient das Anschlussstück nicht nur dem Zweck des Erstellens einer gegenständlichen Einheit zwischen Gebinde und Antriebseinheit für den Vorgang des Mischens, sondern gleichfalls bildet dieses den Verschluss für das Gebinde. Der Anschluss des Deckels an die Gebindeaufnahme oder das Gebinde kann unter Zwischenschaltung einer Dichtung, die beispielsweise als mit einer Haut versehene Dichtschnur ausgeführt sein kann, in der Arbeitsstellung vorgesehen sein. Durch die Vorspannung, mit der der Deckel an der Aufnahmeöffnung der Gebindeaufnahme bzw. des Gebindes anliegt, ist der gewünschte Verbund hergestellt. Ist als in die Gebindeaufnahme aufzunehmendes Gebinde mit dem Mischgut ein Kunststoffsack oder -beutel vorgesehen, besteht die Möglichkeit, dessen öffnungsseitigen Abschluss aus der Gebindeaufnahme herauszuführen und diesen nach außen nach Art eines Kragens umzuschlagen. Verfügt die Mischmaschine als Anschlussstück über einen Deckel, fixiert dieser in seiner Arbeitsstellung zugleich den Kunststoffsack an dem oberen Abschluss der Gebindeaufnahme. Damit bedarf es keiner zusätzlichen Tätigkeiten zum Anschließen des Kunststoffsackes an die Gebindeaufnahme oder die Antriebseinheit.According to a preferred embodiment, a cover assigned to the drive unit is provided as the connection piece. This is used depending on the configuration for closing the receiving opening of the container receptacle or the container itself. In this embodiment, the connector not only serves the purpose of creating a representational unit between the container and drive unit for the process of mixing, but also this forms the closure for the container , The connection of the lid to the container receptacle or the container can be provided in the working position with the interposition of a seal, which may for example be designed as a skin-provided sealing cord. By the bias with which the lid rests against the receiving opening of the container receptacle or the container, the desired composite is produced. If a plastic bag or pouch is provided as the container to be mixed with the mix in the container receptacle, it is possible to bring the opening-side end out of the container receptacle and to turn it over in the manner of a collar. If the mixing machine has a lid as a connection piece, it also fixes the plastic bag at the upper end of the container receptacle in its working position. This requires no additional activities for connecting the plastic bag to the container receptacle or the drive unit.
Die Gebindeaufnahme selbst ist typischerweise mit einer zylindrischen inneren Mantelfläche ausgeführt. Zum Fixieren des Gebindes wird man in aller Regel eine Unterdruckfixierung vorsehen, wie dieses an sich bekannt ist. Das in eine solche Gebindeaufnahme einzusetzende Gebinde ist gemäß einem bevorzugten Ausführungsbeispiel zu seinem Boden hin konisch verjüngt, insbesondere kegelstumpfförmig mit einem geringen, von der Lotrechten abweichenden Winkel. Im Bereich seiner öffnungsseitigen Abschnitte ist das Gebinde dagegen an den Innendurchmesser der Gebindeaufnahme angepasst, damit dieses vollflächig daran anliegt. Daher dienen diese Abschnitte gleichzeitig als äußere Abdichtung gegenüber dem unterdruckfixierten Gebindeabschnitten.The container receptacle itself is typically designed with a cylindrical inner circumferential surface. To fix the container will usually provide a vacuum fixation, as this is known per se. The container to be used in such a container receptacle is tapered conically according to a preferred embodiment to its bottom, in particular frustoconical with a small, deviating from the perpendicular angle. In the area of its opening-side sections, however, the container is adapted to the inner diameter of the container receptacle, so that it lies completely against it. Therefore, these portions serve simultaneously as an outer seal against the vacuum-fixed container sections.
Die Erfindung ist nachfolgend anhand eines Ausführungsbeispiels unter Bezugnahme auf die beigefügten Figuren beschrieben. Es zeigen:
- Fig. 1:
- eine perspektivische Ansicht einer Mischmaschine mit einer gegenüber einer Gebindeaufnahme in vertikaler Richtung verfahrbaren Antriebseinheit,
- Fig. 2:
- einen Längsschnitt durch die Mischmaschine der
mit der sich in ihrer Arbeitsstellung befindlichen Antriebseinheit undFigur 1 - Fig. 3:
- eine Draufsicht auf die Mischmaschine der
undFiguren 12 darstellend die verschwenkbare Lagerung der Antriebseinheit gegenüber der Gebindeaufnahme.
- Fig. 1 :
- a perspective view of a mixing machine with respect to a container receptacle in the vertical direction movable drive unit,
- Fig. 2:
- a longitudinal section through the mixing machine of
FIG. 1 with the drive unit in its working position and - 3 :
- a plan view of the mixing machine of
FIGS. 1 and2 depicting the pivotable mounting of the drive unit relative to the container receptacle.
Eine industrielle Mischmaschine 1 verfügt über eine Gebindeaufnahme 2, die auf einer Grundplatte 3 starr befestigt ist. Auf der Grundplatte 3 ist neben der Gebindeaufnahme 2 eine Hubsäule 4 angeordnet, die eine insgesamt mit dem Bezugszeichen 5 gekennzeichnete Antriebseinheit trägt. Mittels der Hubsäule 4 ist die Antriebseinheit 5 in vertikaler Richtung verfahrbar. In
Auf der Antriebswelle 14 des Elektromotors 6 sitzt ein zweiteilig konzipiertes Mischwerkzeug 15. Das Mischwerkzeug 15 umfasst ein unteres Mischflügelwerkzeug und ein davon in Richtung zum Elektromotor 6 hin beabstandetes Hornwerkzeug 17. Die beiden Flügel 18, 18.1 des Mischflügelwerkzeuges 16 sind angestellt, weisen mithin gegenüber einer quer zur Längsachse der Antriebswelle 14 verlaufenden Ebene eine Neigung auf. Bezogen auf die Rotationsrichtung sind die beiden Flügel 18, 18.1 gleichsinnig angelenkt. Die beiden Hörner 19, 19.1 des Hornwerkzeuges 17 befinden sich bei dem dargestellten Ausführungsbeispiel in einem Winkelabstand etwa 90° zu der Ausrichtung der Flügel 18, 18.1 des Mischflügelwerkzeuges 16. Die Hörner 19, 19.1 sind gleichsinnig mit den Flügeln 18, 18.1 angestellt, wenn auch mit einem deutlich geringeren Neigungswinkel. Das Mischflügelwerkzeug 16 dient zum Erzeugen eines Mischgutstromes während des Betriebes der Mischmaschine 1.On the
Die Mischmaschine 1 dient zum Mischen von Mischgut, das in einem Gebinde enthalten ist und auch für den Vorgang des Mischens in dem Gebinde verbleibt. Als diesbezügliches Gebinde kann beispielsweise ein Kunststoffsack oder auch ein Eimer oder jedes andere geeignete Behältnis dienen. Zum Fixieren des Gebindes in der Gebindeaufnahme 2, in der dieses für den Vorgang des Mischprozesses aufgenommen ist, verfügt die Gebindeaufnahme 2 über eine Unterdruckfixierung. Zu diesem Zweck ist bei dem dargestellten Ausführungsbeispiel die Gebindeaufnahme 2 in ihrem unteren Abschnitt doppelwandig aufgebaut, wie dieses in
Aus der Schnittdarstellung der
In der Arbeitsstellung befindet sich das Flügelmischwerkzeug 16, welches als so genannter Bodenräumer konzipiert ist, mit geringem Abstand zu dem Boden 26 der Gebindeaufnahme 2. Aus
Die Gebindeaufnahme 2 ist als Ringzylinder konzipiert. Eingesetzt ist in die Gebindeaufnahme 2, bevor die Antriebseinheit 5 aus ihrer in
Zum Vorbereiten eines Mischvorganges befindet sich die Mischmaschine 1 in ihrer in
Nach Abschluss des Mischvorganges werden die Antriebseinrichtung 5 und mit dieser die Werkzeuge 16, 17 wieder in ihre in
Die Erfindung ist anhand eines Ausführungsbeispieles beschrieben worden. Für einen Fachmann ergeben sich, ohne den Umfang der Ansprüche zu verlassen, zahlreiche weitere Ausgestaltungen, den Gegenstand der Erfindung zu verwirklichen, ohne dass diese explizit erläutert werden müssten.The invention has been described with reference to an embodiment. For a person skilled in the art, without departing from the scope of the claims, there are numerous further embodiments to realize the subject matter of the invention without these having to be explained explicitly.
- 11
- Mischmaschinemixer
- 22
- Gebindeaufnahmecask receiver
- 33
- Grundplattebaseplate
- 44
- HubsäuleLifting column
- 55
- Antriebseinheitdrive unit
- 66
- Elektromotorelectric motor
- 77
- Motorträgerengine support
- 88th
- Schwenkgelenkpivot
- 99
- Schwenkbolzenpivot pin
- 1010
- Fixierplattefixing
- 1111
- FixierbolzenBolt Fixing
- 1212
- Stellhebellever
- 1313
- Fixierbohrunglocating pin
- 1414
- Antriebswelledrive shaft
- 1515
- Mischwerkzeugmixing tool
- 1616
- MischflügelwerkzeugMixing blade tool
- 1717
- HornwerkzeugHorn tool
- 18, 18.118, 18.1
- Flügelwing
- 19, 19.119, 19.1
- Hornhorn
- 2020
- äußere Wandouter wall
- 2121
- UnterdruckkammerVacuum chamber
- 2222
- Vakuumpumpenausgangvacuum output
- 2323
- Deckelcover
- 2424
- Dichtschnursealing cord
- 2525
- Stellzylinderactuating cylinder
- 2626
- Bodenground
- 2727
- Kunststoffsack (Gebinde)Plastic bag (container)
- 2828
- Kragencollar
- FF
- Füllstandlevel
- ÖÖ
- Aufnahmeöffnungreceiving opening
Claims (10)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202008012827U DE202008012827U1 (en) | 2008-09-26 | 2008-09-26 | mixer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2168670A1 true EP2168670A1 (en) | 2010-03-31 |
EP2168670B1 EP2168670B1 (en) | 2012-02-29 |
Family
ID=40076533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09170314A Active EP2168670B1 (en) | 2008-09-26 | 2009-09-15 | Device for mixing bulk material |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2168670B1 (en) |
CN (1) | CN101711958B (en) |
AT (1) | ATE547168T1 (en) |
DE (1) | DE202008012827U1 (en) |
ES (1) | ES2383043T3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011036098A1 (en) * | 2009-09-23 | 2011-03-31 | Gako Konietzko Gmbh | Programmable mixer and method for the operation thereof |
Families Citing this family (11)
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DE102011018433B4 (en) * | 2011-04-20 | 2012-12-13 | Ekato Systems Gmbh | System for emptying a container filled with a flowable medium |
DE102012215330A1 (en) * | 2012-08-29 | 2013-08-22 | Siemens Aktiengesellschaft | Agitator for mixing materials in stirring vessel in e.g. chemical industry, has evaluation device generating error message when periodic actual course of sensor signal generated by proximity sensor deviates from nominal course |
EP2789548A1 (en) * | 2013-04-09 | 2014-10-15 | F.Ceredi S.P.A. | Method of producing a container with a protective liner, product container |
DE202015103284U1 (en) | 2015-06-23 | 2016-09-26 | Dr. Herfeld Gmbh & Co Kg | Blender and inliner for it |
AT14910U3 (en) * | 2016-03-07 | 2017-03-15 | W&P Baustoffe Gmbh | Arrangement for producing pigmented mixtures |
AT518301B1 (en) * | 2016-03-07 | 2021-07-15 | Baumit Gmbh | Arrangement for the production of batches mixed with pigment |
CN109173910A (en) * | 2018-11-06 | 2019-01-11 | 大余县萤通工贸有限公司 | A kind of mixing agitator for fluorite production |
DE202019004338U1 (en) | 2019-10-19 | 2019-11-14 | August Berger Metallwarenfabrik Gmbh | mixing tank |
DE202019105995U1 (en) | 2019-10-29 | 2019-11-07 | Dr. Herfeld Gmbh & Co Kg | mixer |
CN113262732B (en) * | 2021-05-10 | 2022-06-21 | 深圳市真味生物科技有限公司 | Film changing device of stirring equipment |
IT202100032078A1 (en) * | 2021-12-21 | 2023-06-21 | La Saponaria S R L Soc Benefit | IMPROVED MIXER FOR SOAP PRODUCTION. |
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US5829344A (en) | 1997-06-09 | 1998-11-03 | Lande; Arnold J. | Home yogurt/cheese making machine |
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CN200939372Y (en) * | 2006-08-28 | 2007-08-29 | 浙江化工科技集团有限公司 | Airflow mixer |
-
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- 2008-09-26 DE DE202008012827U patent/DE202008012827U1/en not_active Expired - Lifetime
-
2009
- 2009-09-15 ES ES09170314T patent/ES2383043T3/en active Active
- 2009-09-15 AT AT09170314T patent/ATE547168T1/en active
- 2009-09-15 EP EP09170314A patent/EP2168670B1/en active Active
- 2009-09-27 CN CN200910253068.XA patent/CN101711958B/en active Active
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DE395257C (en) * | 1922-10-27 | 1925-02-26 | Max Rogler | Stirring and dispensing device for colors u. like. from vessels |
DE924676C (en) * | 1951-10-03 | 1955-03-07 | Roddewig & Co | Device for the production of air-free, pourable plaster of paris |
US4122973A (en) * | 1977-10-14 | 1978-10-31 | Ahern Paul B | Lined containers for paint and the like |
EP0225495A2 (en) * | 1985-12-12 | 1987-06-16 | Dr. HERFELD GmbH & Co. KG | Mixing device |
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WO2011036098A1 (en) * | 2009-09-23 | 2011-03-31 | Gako Konietzko Gmbh | Programmable mixer and method for the operation thereof |
Also Published As
Publication number | Publication date |
---|---|
CN101711958B (en) | 2014-05-07 |
EP2168670B1 (en) | 2012-02-29 |
ES2383043T3 (en) | 2012-06-15 |
DE202008012827U1 (en) | 2008-11-27 |
ATE547168T1 (en) | 2012-03-15 |
CN101711958A (en) | 2010-05-26 |
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