EP3562747B1 - Device for dosing and filling powdery filling material into containers - Google Patents
Device for dosing and filling powdery filling material into containers Download PDFInfo
- Publication number
- EP3562747B1 EP3562747B1 EP17790761.5A EP17790761A EP3562747B1 EP 3562747 B1 EP3562747 B1 EP 3562747B1 EP 17790761 A EP17790761 A EP 17790761A EP 3562747 B1 EP3562747 B1 EP 3562747B1
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- EP
- European Patent Office
- Prior art keywords
- pressurized air
- dosing chamber
- filling material
- dosing
- bore
- 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.)
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- 239000000463 material Substances 0.000 title claims description 43
- 238000007599 discharging Methods 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 238000004140 cleaning Methods 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 4
- 238000011109 contamination Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 229940127557 pharmaceutical product Drugs 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B37/00—Supplying or feeding fluent-solid, plastic, or liquid material, or loose masses of small articles, to be packaged
- B65B37/06—Supplying or feeding fluent-solid, plastic, or liquid material, or loose masses of small articles, to be packaged by pistons or pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
- B65B1/16—Methods of, or means for, filling the material into the containers or receptacles by pneumatic means, e.g. by suction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
- B65B1/36—Devices or methods for controlling or determining the quantity or quality or the material fed or filled by volumetric devices or methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
- B65B1/44—Checking density of material to be filled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B57/00—Automatic control, checking, warning, or safety devices
- B65B57/10—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged
Definitions
- the invention relates to a device for dosing and filling of powdery contents into containers according to the preamble of claim 1, according to DE 10, 2014 200 484 A1 and DE 102 51 065 A1 .
- a device with the features of the preamble of claim 1 is from DE 10 2008 040 595 A1 known to the applicant.
- the known device has a dosing wheel which is rotatably mounted on a horizontal axis, with a plurality of dosing chambers being formed in the dosing wheel for filling a specific quantity of filling material in each case.
- the dosing chambers overlap with a filling material container, from which the powdered or granulated filling material is delivered into the dosing chamber.
- the release of the filling material from the filling material container into the respective dosing chamber is supported by negative pressure, which is applied to the dosing chamber via a bore.
- the filling material is released from the metering chamber into a container arranged below the metering chamber.
- the release of the filling material is supported both by a vibration generator and by a compressed air source, with the compressed air source acting on the dosing chamber via the same bore as the vacuum source during the filling process.
- the compressed air introduced via the bore into the area of the dosing chamber flows through a filter element forming the bottom area of the dosing chamber. The compressed air thus acts over the entire cross section of the dosing chamber in order to support the emptying of the filling material from the dosing chamber.
- More device for dosing and filling of powdered contents in containers are from DE 197 34 109 A1 and the DE 2 231 040 A1 known.
- the device according to the invention for dosing and filling of powdery filling material in containers with the features of claim 1 has the advantage that through targeted guidance of the compressed air, the compressed air acts at least essentially on the area of the (peripheral) wall delimiting the dosing chamber and thus acts in a targeted manner the wall area of the dosing chamber is freed from any filling material that may be adhering.
- the targeted guidance of the compressed air in the region of the wall of the dosing chamber thus makes it possible for a relatively low overpressure or relatively low mechanical or pneumatic energy originating from the compressed air to be sufficient for cleaning or keeping the wall of the dosing chamber free of filling material , to prevent filling material from sticking in the dosing chamber.
- the cleaning or removal of filling material from the wall of the dosing chamber has the particular advantage that incorrect dosing, in particular underdosing, is ruled out, since the entire content of the filling material in the dosing chamber is dispensed into a container that is ready.
- the compressed air outlet is at an oblique angle to a longitudinal axis of the dosing chamber in the area aligned with the wall of the dosing chamber.
- a flow component is generated in the circumferential direction of the wall of the dosing chamber.
- the cross section of the dosing chamber is circular and that the at least one compressed air outlet is arranged radially inside the cross section.
- a dosing chamber with a round cross section prevents in particular the formation of dead spaces that promote the adhesion of the filling material in the area of the dosing chamber.
- a filter element is arranged in the area of the compressed air outlet.
- a filter element can be designed, for example, in the form of a sintered metal element. In addition, it reliably prevents contamination of the compressed air bore or compressed air outlet by filling material.
- the at least one compressed air borehole is arranged in the area of a format change part and can be pneumatically connected to a stationary supply borehole via a feed borehole that preferably runs perpendicular to the at least one compressed air borehole .
- the device with the features of dependent claim 6 is characterized in that at least the beginning and the end of the compressed air blast is adapted to the filling material and/or the target quantity of filling material by means of a control device.
- this makes it possible to introduce the compressed air blast into the dosing chamber only during the period of time in which the dosing chamber is aligned with the container. In this way, in particular, the contamination of the device with filling material is also reduced.
- the level of the pneumatic pressure and/or the pressure profile of the compressed air blast can also be adapted to the filling material and/or the target quantity of filling material. It is thus possible, for example, to linearly increase the pressure of the compressed air blast from an initial value to a maximum value and then decrease it again to a final value.
- An increased pressure of the compressed air can also be provided, for example, in the case of a filling material having a particularly small particle size, in order to enable reliable cleaning of the wall of the dosing chamber.
- the one in the 1 The device 10 shown in detail is used for dosing or filling powdered or free-flowing filling material 1 into container 2.
- the filling material 1 can be, in particular and not restrictively, a pharmaceutical product or a pharmaceutical active substance.
- the container 2 is, for example, a small bottle, a vial or the like.
- the device 10 has a reservoir 11 for the filling material 1, shown only partially, on the base of which in the area of an approximately annular recess a blow-out element 15 designed as a format-changing part is interchangeably inserted. That in the 2
- the blow-out element 15 shown in an individual representation serves to fill two containers 2 at the same time and has a through hole 16 and on the side facing away from the storage container 11 on a pitch circle diameter around the through hole 16 two kidney-shaped extensions 17 .
- a total of four through-openings 18 , 19 running axially parallel to the through-hole 16 are formed in the blow-out element 15 , with two through-openings 18 , 19 being provided in the region of each extension 17 .
- the compressed air holes 22 are in the 3 recognizable, common feed bore 23 which runs at right angles to the longitudinal axes of the four compressed air bores 22 .
- the feed hole 23 opens into a side wall of the extension 17 and is aligned there with a supply bore 24 which is connected to a compressed air source 25.
- the compressed air source 25 can be controlled by a control device 28 .
- the control device 28 is designed to generate either a constant pressure p of the compressed air in the supply bore 24 and thus in the four compressed air bores 22, or a pressure curve that is variable both in terms of level and over time, by appropriate activation of the compressed air source 25 .
- a 2-part metering disc 30 is arranged so that it overlaps with the blow-out element 15 ( 1 ).
- the two elements 31, 32 of the metering disk 30 are arranged coaxially to one another and can be moved back and forth about a common axis of rotation 34 in the direction of the double arrow 35 by means of a drive, not shown, in an oscillating manner by a specific angle of rotation.
- the axis of rotation 34 is aligned with the longitudinal axis 36 of the through hole 16 of the blow-out element 15.
- two metering bores 38, 39 are formed as through-holes in the region of overlap with the projections 17.
- a sleeve-like extension 41 of the element 31 dips into the dosing bore 39 of the element 32 ( 1 ).
- the two dosing bores 38, 39 delimit a dosing chamber 42.
- the volume of the dosing chambers 42 can be adjusted by an axial adjustment of the two elements 31, 32.
- the dosing bores 38, 39 are arranged on the same pitch circle diameter around the longitudinal axis 36 of the through-bore 16 of the blow-out element 15 as the through-openings 18, 19.
- the angular distance between the dosing bores 38, 39 in the area of the extension 17 corresponds to half the angular distance between the through-openings 18, 19 or the angular distance between the respective passage opening 18, 19 and the area of the four compressed air outlets 21. This makes it possible that in the two reversal points of the oscillating movement of the metering disk 30, two metering bores 38, 39 overlap with the Passage openings 18, 19, and two other dosing bores 38, 39 overlap with the compressed air outlets 21 of four compressed air bores 22.
- the feed plate 45 On the side of the metering disk 30 facing away from the blow-out element 15 there is a stationarily arranged feed plate 45 with two through-holes 46 .
- the two through bores 46 are aligned with the area of the four compressed air outlets 21 and have a diameter which corresponds at least to the diameter of the dosing bore 39 .
- the through holes 46 are arranged in alignment with the containers 2 .
- the feed plate 45 forms a (lower) boundary of the metering chamber 42 with the side facing the metering chamber 42 of the metering disk 30.
- the four compressed air outlets 21 are arranged to overlap with the cross section of the dosing chamber 42 . Furthermore, the compressed air outlets 21 are arranged near the wall 47 of the dosing bore 38 or the dosing chamber 42 .
- the alignment of the compressed air outlets 21 is such that the compressed air flowing out of the compressed air outlets 21 strikes the wall 47 of the dosing chamber 42 at least essentially directly or sweeps along it in order to remove any filling material 1 adhering there.
- the four compressed air bores 22 have a corresponding length and orientation in order to align the flow of compressed air accordingly. The alignment of the longitudinal axes of the compressed air bores 22 therefore runs at an oblique angle thereto in order to generate a component of the compressed air in the circumferential direction of the wall 47 .
- the compressed air bores 22 or the compressed air outlets 21 are preferably arranged at least approximately at equal angular distances from one another in relation to the longitudinal axis 48 of the dosing bores 38, 39. Furthermore, the diameters of the compressed air bores 22 and the compressed air outlets 21 are preferably of the same size. In the area of the compressed air outlets 21, filter elements or air guiding elements, for example in the form of sintered metal inserts, can also be provided (not shown).
- the filling material 1 is emptied from the respective dosing chamber 42 essentially by gravity.
- the compressed air blast introduced into the dosing chamber 42 via the compressed air outlets 21 causes any filling material 1 adhering to the wall 47 to be removed by the compressed air or the compressed air blast and discharged into the container 2 together with the remaining filling material 1 .
- the dosing disk 30 In the 4 a position of the dosing disk 30 is shown in which the one dosing chambers 42 are arranged in overlap with the passage openings 18 so that these dosing chambers 42 are filled with filling material 1 from the reservoir 11 . At the same time, the other dosing chambers 42 overlap with the compressed air outlets 21 so that these dosing chambers 42 are emptied or cleaned of any filling material 1 adhering to their walls 47 .
- FIG. 5 an intermediate position of the metering disk 30 is shown, in which one metering chamber 42 partially overlaps the passage openings 19 , while the other metering chambers 42 partially overlap the region of the compressed air outlets 21 .
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quality & Reliability (AREA)
- Basic Packing Technique (AREA)
Description
Die Erfindung betrifft eine Vorrichtung zum Dosieren und Abfüllen von pulverförmigem Füllgut in Behälter nach dem Oberbegriff des Anspruchs 1, gemäß
Eine Vorrichtung mit den Merkmalen des Oberbegriffs des Anspruchs 1 ist aus der
Weitere Vorrichtung zum Dosieren und Abfüllen von pulverförmigem Füllgut in Behälter sind aus der
Die erfindungsgemäße Vorrichtung zum Dosieren und Abfüllen von pulverförmigem Füllgut in Behälter mit den Merkmalen des Anspruchs 1 hat den Vorteil, dass durch eine gezielte Führung der Druckluft die Druckluft zumindest im Wesentlichen auf den Bereich der die Dosierkammer begrenzenden (Umfangs-) Wand einwirkt und somit gezielt den Wandbereich der Dosierkammer von ggf. anhaftendem Füllgut befreit. Es wird somit durch die gezielte Führung der Druckluft in den Bereich der Wand der Dosierkammer ermöglicht, dass zum Reinigen bzw. Freihalten der Wand der Dosierkammer von Füllgut ein relativ geringer Überdruck bzw. eine relativ geringe, von der Druckluft stammende mechanische bzw. pneumatische Energie genügt, um ein Anhaften von Füllgut in der Dosierkammer zu vermeiden. Durch die relativ geringe Menge bzw. den relativ geringen (Über-) Druck zur Reinigung der Wand der Dosierkammer wird darüber hinaus eine (ungewollte) Verschmutzung von über die Druckluft von der Wand der Dosierkammer entferntem Füllgut in anderen Bereichen der Vorrichtung vermieden, bzw. es sind dort keine aufwendigen zusätzlichen Abdichtmaßnahmen oder ähnliches erforderlich.The device according to the invention for dosing and filling of powdery filling material in containers with the features of
Das Reinigen bzw. Entfernen von Füllgut von der Wand der Dosierkammer hat insbesondere den Vorteil, dass Fehldosierungen, insbesondere Minderdosierungen, ausgeschlossen werden, da der vollständige Inhalt des in der Dosierkammer befindlichen Füllguts in einen bereitstehenden Behälter abgegeben wird.The cleaning or removal of filling material from the wall of the dosing chamber has the particular advantage that incorrect dosing, in particular underdosing, is ruled out, since the entire content of the filling material in the dosing chamber is dispensed into a container that is ready.
Um eine Verwirbelung der Druckluft im Bereich der Dosierkammer zu vermeiden, und gleichzeitig die in der Druckluft vorhandene kinetische Energie möglichst vollständig zum Reinigen der Wand der Dosierkammer zu nutzen, ist es vorgesehen, dass der Druckluftauslass in einem schrägen Winkel zu einer Längsachse der Dosierkammer im Bereich der Wand der Dosierkammer ausgerichtet. In diesem Fall wird eine Strömungskomponente in Umfangsrichtung der Wand der Dosierkammer erzeugt. Eine derartige konstruktive Ausgestaltung bewirkt insbesondere, dass ein größerer Bereich der Wand der Dosierkammer in Umfangsrichtung von der Druckluft überstrichen wird, so dass keine Totbereiche entstehen, in denen die Druckluft nicht mit der Wand der Dosierkammer in Wirkverbindung gelangt. Dadurch reicht schon eine relativ geringe Anzahl von Druckluftbohrungen, um den die Wand der Dosierkammer über ihren gesamten Umfang reinigen zu können.In order to avoid turbulence of the compressed air in the area of the dosing chamber, and at the same time to use the kinetic energy present in the compressed air as completely as possible to clean the wall of the dosing chamber, it is provided that the compressed air outlet is at an oblique angle to a longitudinal axis of the dosing chamber in the area aligned with the wall of the dosing chamber. In this case, a flow component is generated in the circumferential direction of the wall of the dosing chamber. Such a structural design has the effect, in particular, that the compressed air sweeps over a larger area of the wall of the dosing chamber in the circumferential direction, so that there are no dead areas in which the compressed air does not come into operative connection with the wall of the dosing chamber. As a result, a relatively small number of Compressed air holes to be able to clean the dosing chamber wall over its entire circumference.
Vorteilhafte Weiterbildungen der erfindungsgemäßen Vorrichtung zum Dosieren und Abfüllen von pulverförmigem Füllgut in Behälter sind in den Unteransprüchen aufgeführt.Advantageous developments of the device according to the invention for dosing and filling of powdered filling material into containers are listed in the dependent claims.
In konstruktiv bevorzugter Ausgestaltung der beiden zuletzt genannten Anordnungen der Druckluftauslässe wird vorgeschlagen, dass der Querschnitt der Dosierkammer kreisförmig ausgebildet ist, und dass der wenigstens eine Druckluftauslass radial innerhalb des Querschnitts angeordnet ist. Eine im Querschnitt rund ausgebildete Dosierkammer verhindert insbesondere die Ausbildung von Toträumen, die die Anhaftung des Füllguts im Bereich der Dosierkammer begünstigen.In a structurally preferred embodiment of the two last-mentioned arrangements of the compressed air outlets, it is proposed that the cross section of the dosing chamber is circular and that the at least one compressed air outlet is arranged radially inside the cross section. A dosing chamber with a round cross section prevents in particular the formation of dead spaces that promote the adhesion of the filling material in the area of the dosing chamber.
Um die Wand der Dosierkammer in Umfangsrichtung gesehen möglichst vollflächig in Wirkverbindung mit der Druckluft gelangen zu lassen, ist es von Vorteil, wenn mehrere Druckluftauslässe vorgesehen sind, die auf einem gemeinsamen Teilkreisdurchmesser um die Längsachse der Dosierkammer angeordnet sind.In order to allow the wall of the dosing chamber to come into operative connection with the compressed air over the entire surface, as seen in the circumferential direction, it is advantageous if several compressed air outlets are provided, which are arranged on a common pitch circle diameter around the longitudinal axis of the dosing chamber.
Zur Vergleichmäßigung der Strömung der Druckluft kann es darüber hinaus vorgesehen sein, dass im Bereich des Druckluftauslasses ein Filterelement angeordnet ist. Ein derartiges Filterelement kann beispielsweise in Form eines Sintermetallelements ausgebildet sein. Es verhindert darüber hinaus in zuverlässiger Art und Weise eine Verschmutzung der Druckluftbohrung bzw. des Druckluftauslasses durch Füllgut.In order to equalize the flow of compressed air, it can also be provided that a filter element is arranged in the area of the compressed air outlet. Such a filter element can be designed, for example, in the form of a sintered metal element. In addition, it reliably prevents contamination of the compressed air bore or compressed air outlet by filling material.
Um eine einfache Anpassung der Vorrichtung an unterschiedliche Volumina der Dosierkammern zu ermöglichen, kann es vorgesehen sein, dass die wenigstens eine Druckluftbohrung im Bereich eines Formatwechselteils angeordnet ist und über eine vorzugsweise senkrecht zu der wenigstens einen Druckluftbohrung verlaufenden Zuführbohrung mit einer ortsfest angeordneten Versorgungsbohrung pneumatisch verbindbar ist. Mit anderen Worten gesagt bedeutet dies, dass das Formatwechselteil der jeweiligen geometrischen Gestaltung bzw. dem Volumen der Dosierkammer angepasst ist und sich einfach auswechseln lässt.In order to enable the device to be easily adapted to different volumes of the dosing chambers, it can be provided that the at least one compressed air borehole is arranged in the area of a format change part and can be pneumatically connected to a stationary supply borehole via a feed borehole that preferably runs perpendicular to the at least one compressed air borehole . In other words, this means that the format change part of the respective geometric Design or the volume of the dosing chamber is adapted and can be easily replaced.
Die Vorrichtung mit den Merkmalen des Unteranspruchs 6 zeichnet sich dadurch aus, dass zumindest der Beginn und das Ende des Druckluftstoßes mittels einer Steuereinrichtung dem Füllgut und/oder der Sollmenge an Füllgut angepasst wird. Insbesondere ist es hierdurch möglich, den Druckluftstoß lediglich während der Zeitspanne in die Dosierkammer einzuleiten, bei der die Dosierkammer mit dem Behältnis ausgerichtet ist. Dadurch wird insbesondere auch die Verschmutzung der Vorrichtung mit Füllgut verringert.The device with the features of dependent claim 6 is characterized in that at least the beginning and the end of the compressed air blast is adapted to the filling material and/or the target quantity of filling material by means of a control device. In particular, this makes it possible to introduce the compressed air blast into the dosing chamber only during the period of time in which the dosing chamber is aligned with the container. In this way, in particular, the contamination of the device with filling material is also reduced.
In einer weiteren vorteilhaften Ausgestaltung der Vorrichtung gemäß Unteranspruch 6 wird gemäß Unteranspruch 7 vorgeschlagen, dass zusätzlich die Höhe des pneumatischen Drucks und/oder der Druckverlauf des Druckluftstoßes dem Füllgut und/oder der Sollmenge an Füllgut anpassbar ist. Es ist somit z.B. möglich, den Druck des Druckluftstoßes von einem Anfangswert bis zu einem Maximalwert linear zu steigern und anschließend wieder bis zu einem Endwert abzusenken. Auch kann beispielsweise bei einem eine besonders geringe Korngröße aufweisenden Füllgut ein erhöhter Druck der Druckluft vorgesehen sein, um eine sichere Reinigung der Wand der Dosierkammer zu ermöglichen.In a further advantageous embodiment of the device according to dependent claim 6, it is proposed according to dependent claim 7 that the level of the pneumatic pressure and/or the pressure profile of the compressed air blast can also be adapted to the filling material and/or the target quantity of filling material. It is thus possible, for example, to linearly increase the pressure of the compressed air blast from an initial value to a maximum value and then decrease it again to a final value. An increased pressure of the compressed air can also be provided, for example, in the case of a filling material having a particularly small particle size, in order to enable reliable cleaning of the wall of the dosing chamber.
Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele sowie anhand der Zeichnung.Further advantages, features and details of the invention result from the following description of preferred exemplary embodiments and from the drawing.
Diese zeigt in:
- Fig. 1
- einen Ausschnitt aus einer Vorrichtung zum Dosieren und Abfüllen von pulverförmigem Füllgut in Behälter in einem perspektivischen Längsschnitt,
- Fig. 2
- eine perspektivische Unteransicht eines Formatwechselteils zum Ausblasen einer Dosierkammer mit Druckluft,
- Fig. 3
- eine Darstellung eines Teilbereichs der Vorrichtung gemäß den
Fig. 1 während des Ausblasens einer Druckkammer und - Fig. 4und Fig. 5
- jeweils in teilweise geschnittenen Darstellungen unterschiedliche Stellungen einer Dosierscheibe in der Vorrichtung der
Fig. 1 .
- 1
- a section of a device for dosing and filling of powdery contents into containers in a perspective longitudinal section,
- 2
- a perspective bottom view of a format change part for blowing out a dosing chamber with compressed air,
- 3
- a representation of a portion of the device according to the
1 during purging of a pressure chamber and - 4 and 5
- each in partially sectioned representations of different positions of a dosing disc in the
device 1 .
Gleiche Elemente bzw. Elemente mit gleicher Funktion sind in den Figuren mit den gleichen Bezugsziffern versehen.Identical elements or elements with the same function are provided with the same reference numbers in the figures.
Die in der
Die Vorrichtung 10 weist einen lediglich bereichsweise dargestellten Vorratsbehälter 11 für das Füllgut 1 auf, an dessen Grund im Bereich einer in etwa ringförmigen Ausnehmung ein als Formatwechselteil ausgebildetes Ausblaselement 15 austauschbar eingesetzt ist. Das in der
In einem mittleren Bereich zwischen den jeweiligen Durchlassöffnungen 18, 19 eines Fortsatzes 17 sind beispielhaft vier Druckluftauslässe 21 von vier Druckluftbohrungen 22 (
Die Steuereinrichtung 28 ist dazu ausgebildet, durch eine entsprechende Ansteuerung der Druckluftquelle 25 entweder einen konstanten Druck p der Druckluft in der Versorgungsbohrung 24 und somit in den vier Druckluftbohrungen 22 zu erzeugen, oder aber einen sowohl in der Höhe, als auch im zeitlichen Verlauf variablen Druckverlauf.The
Auf der dem Vorratsbehälter 11 abgewandten Seite des Ausblaselements 15 ist in Überdeckung mit dem Ausblaselement 15 eine 2-teilig ausgebildete Dosierscheibe 30 angeordnet (
In den beiden Elementen 31, 32 der Dosierscheibe 30 sind im Überdeckungsbereich mit den Fortsätzen 17 jeweils zwei Dosierbohrungen 38, 39 als Durchgangsbohrungen ausgebildet. Dabei taucht ein hülsenartiger Fortsatz 41 des Elements 31 in die Dosierbohrung 39 des Elements 32 ein (
Die Dosierbohrungen 38, 39 sind auf demselben Teilkreisdurchmesser um die Längsachse 36 der Durchgangsbohrung 16 des Ausblaselements 15 angeordnet wie die Durchlassöffnungen 18, 19. Der Winkelabstand zwischen den Dosierbohrungen 38, 39 im Bereich des Fortsatzes 17 entspricht dem halben Winkelabstand zwischen den Durchlassöffnungen 18, 19 bzw. dem Winkelabstand zwischen der jeweiligen Durchlassöffnung 18, 19 und dem Bereich der vier Druckluftauslässe 21. Dadurch wird es ermöglicht, dass in den beiden Umkehrpunkten der oszillierenden Bewegung der Dosierscheibe 30 sich gleichzeitig zwei Dosierbohrungen 38, 39 in Überdeckung mit den Durchlassöffnungen 18, 19, und zwei andere Dosierbohrungen 38, 39 in Überdeckung mit den Druckluftauslässen 21 von vier Druckluftbohrungen 22 befinden.The dosing bores 38, 39 are arranged on the same pitch circle diameter around the
Auf der dem Ausblaselement 15 abgewandten Seite der Dosierscheibe 30 schließt sich eine ortsfest angeordnete Zuführplatte 45 mit zwei Durchgangsbohrungen 46 an. Die beiden Durchgangsbohrungen 46 sind fluchtend zu dem Bereich der vier Druckluftauslässe 21 angeordnet und weisen einen Durchmesser auf, der zumindest dem Durchmesser der Dosierbohrung 39 entspricht. Weiterhin sind die Durchgangsbohrungen 46 fluchtend zu den Behältern 2 angeordnet. Außerhalb der Durchgangsbohrungen 46 bildet die Zuführplatte 45 mit der der Dosierkammer 42 der Dosierscheibe 30 zugewandten Seite eine (untere) Begrenzung der Dosierkammer 42 aus.On the side of the
Wie besonders deutlich anhand der
Die Anordnung der Druckluftbohrungen 22 bzw. der Druckluftauslässe 21 erfolgt in Bezug zur Längsachse 48 der Dosierbohrungen 38, 39 bevorzugt zumindest in etwa in gleichgroßen Winkelabständen zueinander. Weiterhin sind die Durchmesser der Druckluftbohrungen 22 bzw. der Druckluftauslässe 21 vorzugsweise gleich groß. Im Bereich der Druckluftauslässe 21 können weiterhin Filterelemente oder Luftleitelemente, beispielsweise in Form von Sintermetalleinsätzen vorgesehen sein (nicht dargestellt).The compressed air bores 22 or the
Das Entleeren des Füllguts 1 aus der jeweiligen Dosierkammer 42 erfolgt im Wesentlichen durch Schwerkraft. Der über die Druckluftauslässe 21 in die Dosierkammer 42 eingeleitete Druckluftstoß bewirkt, dass ggf. an der Wand 47 anhaftendes Füllgut 1 von der Druckluft bzw. dem Druckluftstoß entfernt wird und zusammen mit dem übrigen Füllgut 1 in den Behälter 2 abgegeben wird.The filling
In der
In der
Claims (7)
- Device (10) for dosing and filling powder filling material (1) into containers (2), having a dosing chamber (42) for receiving a target quantity of filling material (1) and having a source of pressurized air (25) generating at least one blast of pressurized air during or after discharging the filling material (1) from the dosing chamber (42), wherein the blast of pressurized air can be supplied into the area of the dosing chamber (42) through at least one bore for pressurized air (22), and wherein the pressure outlet (21) opens on the far side from the outlet side for the filling material (1) from the dosing chamber (42) above the dosing chamber (42), wherein the at least one bore for pressurized air (22) opens in the area of at least one pressurized air outlet (21) which is configured to guide the pressurized air at least substantially in an operative connection with the wall (42) of the dosing chamber (42),
characterized in that
the bore for the pressurized air (22) is oriented in an oblique angle to a longitudinal axis (48) of the dosing chamber (42) at least in the area of the pressurized air outlet (21) in the region of the wall (47) of the dosing chamber (42) and additionally has an orientation in the circumferential direction of the dosing chamber (42). - Device as claimed in claim 1, characterized in that the cross-section of the dosing chamber (42) has a circular form and that the outlet of pressurized air (21) is arranged radially inside the cross-section of the dosing chamber (42).
- Device as claimed in claim 2, characterized in that a multitude of outlets of pressurized air (21) is provided which are arranged on a common pitch circle diameter preferably in equal angular distance to one another around the longitudinal axis (48).
- Device as claimed in one of claims 1 to 3, characterized in that in the area of the outlet of pressurized air (21) a filter element or an air guiding element is arranged.
- Device as claimed in one of claims 1 to 4, characterized in that the at least one bore for pressurized air (22) is arranged in the area of a blow-off element (15) which is configured as a format changing part, wherein a feeding bore (23) extending preferably orthogonal to the at least one bore for pressurized air (22) and connected to the bore for pressurized air (22) is provided in the below-off element (15) and can be connected to a supply bore (24) which is fixedly arranged.
- Device as claimed in one of claims 1 to 5, characterized in that a control device (28) is provided for adapting at least the beginning and the end of the pressurized air blast to the filling material (1) and/or to the target quantity of filling material (1).
- Device as claimed in claim 6, characterized in that the device is configured in such a way that additionally the level of pressure (p) and/or the gradient of the pressurized air blast can be adapted to the filling material (1) and/or the target quantity of filling material (1).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016226217.3A DE102016226217A1 (en) | 2016-12-27 | 2016-12-27 | Device and method for dosing and filling of powdered contents in containers |
PCT/EP2017/077255 WO2018121899A1 (en) | 2016-12-27 | 2017-10-25 | Device and method for dosing and filling powdery filling material into containers |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3562747A1 EP3562747A1 (en) | 2019-11-06 |
EP3562747B1 true EP3562747B1 (en) | 2022-01-19 |
Family
ID=60182575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17790761.5A Active EP3562747B1 (en) | 2016-12-27 | 2017-10-25 | Device for dosing and filling powdery filling material into containers |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3562747B1 (en) |
DE (1) | DE102016226217A1 (en) |
ES (1) | ES2910063T3 (en) |
WO (1) | WO2018121899A1 (en) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2231040A1 (en) * | 1972-06-24 | 1974-01-10 | Itter Chemie Brita Geraete | AUTOMATIC DOSING AND FILLING DEVICE |
DE19653984A1 (en) * | 1996-12-21 | 1998-06-25 | Tzn Forschung & Entwicklung | Method for filling and sealing bags with lightweight items e.g. food, snack items |
DE19734109A1 (en) * | 1997-08-07 | 1999-02-11 | Bosch Gmbh Robert | Container filling assembly |
DE10251065A1 (en) * | 2002-11-02 | 2004-05-19 | Rovema Verpackungsmaschinen Gmbh | Volumetric dosing device for dosing friable product from beaker has compressed air outlet above beaker to blow contents out downwards when closing device is opened |
AT10439U1 (en) * | 2007-07-06 | 2009-03-15 | Mondi Packaging Ag | METHOD AND SYSTEM FOR FILLING GRAIN OR BZW. PIECE BZW. POWDER MATERIAL IN A SACK-TYPE CONTAINER |
DE102008040595A1 (en) | 2008-07-22 | 2010-01-28 | Robert Bosch Gmbh | Device for dosing and filling powdery materials into individual containers, has dosing chamber, which is arranged in filling wheel or filling material container, where oscillation generators are provided with dosing chamber |
DE102014200484A1 (en) * | 2014-01-14 | 2015-07-16 | Robert Bosch Gmbh | Device for dosing fine-grained filling material in packaging containers |
-
2016
- 2016-12-27 DE DE102016226217.3A patent/DE102016226217A1/en not_active Withdrawn
-
2017
- 2017-10-25 EP EP17790761.5A patent/EP3562747B1/en active Active
- 2017-10-25 ES ES17790761T patent/ES2910063T3/en active Active
- 2017-10-25 WO PCT/EP2017/077255 patent/WO2018121899A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO2018121899A1 (en) | 2018-07-05 |
EP3562747A1 (en) | 2019-11-06 |
DE102016226217A1 (en) | 2018-06-28 |
ES2910063T3 (en) | 2022-05-11 |
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