EP2621814B1 - Dispositif et procédé pour le dosage d' une matière en vrac - Google Patents

Dispositif et procédé pour le dosage d' une matière en vrac Download PDF

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Publication number
EP2621814B1
EP2621814B1 EP11763729.8A EP11763729A EP2621814B1 EP 2621814 B1 EP2621814 B1 EP 2621814B1 EP 11763729 A EP11763729 A EP 11763729A EP 2621814 B1 EP2621814 B1 EP 2621814B1
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EP
European Patent Office
Prior art keywords
bulk material
outlet
container
conveyor
metering
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
EP11763729.8A
Other languages
German (de)
English (en)
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EP2621814A1 (fr
Inventor
Andreas Kleiner
René HAID
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.)
Buehler AG
Original Assignee
Buehler AG
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Filing date
Publication date
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Priority to EP11763729.8A priority Critical patent/EP2621814B1/fr
Publication of EP2621814A1 publication Critical patent/EP2621814A1/fr
Application granted granted Critical
Publication of EP2621814B1 publication Critical patent/EP2621814B1/fr
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Classifications

    • 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
    • B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B1/10—Methods of, or means for, filling the material into the containers or receptacles by rotary feeders
    • B65B1/12—Methods of, or means for, filling the material into the containers or receptacles by rotary feeders of screw type
    • 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
    • B65B1/32—Devices or methods for controlling or determining the quantity or quality or the material fed or filled by weighing
    • 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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/54—Means for supporting containers or receptacles during the filling operation
    • B65B43/60—Means for supporting containers or receptacles during the filling operation rotatable
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/04—Applying separate sealing or securing members, e.g. clips
    • B65B51/08—Applying binding material, e.g. to twisted bag necks
    • 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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/46—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers
    • B65B43/465—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers for bags

Definitions

  • the present invention relates to a method and a device for metering and compressing bulk material and in particular the use of the device for metering bulk material with the features of the preamble of the independent claim.
  • the DE 197 34 109 A1 is a device for dosing and dispensing a quantity of contents known.
  • the device has a plurality of screw feeders, which are each connected by means of a flexible piece of hose with a through-chamber.
  • the passage chamber is designed to be horizontally movable, so that it can be moved synchronously with a packaging container via a specific conveying path. An outlet of the passage chamber is thus over the specific conveyor line in a relatively fixed position to the packaging container.
  • a material compacting apparatus for recyclable waste material is known.
  • a housing In a housing is a screw conveyor, which takes over the waste material from a job site, compressed during a carriage and delivers after compression to a collecting space.
  • WO 2010/052325 A1 is a bulk bagging known with a vibrating device for compacting dosed bulk material.
  • this device has the disadvantage that when dosing a particular floury bulk material, a strong dust may occur.
  • the additionally necessary shaking device often makes the device for metering slower, since an additional process step is necessary, as well as more complex and therefore more expensive to manufacture.
  • this device has the disadvantage that the device is structurally complicated by the necessary evacuation and also the process for dosing a bulk material is more complicated to perform.
  • the device according to the invention for dosing and compacting bulk material comprises a conveyor for dosing the bulk material. Furthermore, the device comprises a measuring device for measuring at least one measured variable and a receiving device for receiving a container, in particular a bag.
  • the conveyor has an outlet for the bulk material.
  • the receiving device and the outlet can be positioned relative to one another as a function of the measured variable.
  • the outlet and the receiving device are controllable and / or controllably positionable.
  • the receiving device and the outlet are continuously positioned relative to each other at least in a period of dosing.
  • This device is used to carry out a method described below.
  • a device which receives the container and / or supports.
  • a container can be suspended and / or set up.
  • the receiving device may for example comprise a clamping device for hanging a bag or be designed as a movable bottom surface for a bag, wherein the bag is only placed on the bottom surface or additionally fixed in the region of the filling opening, in particular clamped is.
  • a sack is understood to mean a container having at least flexible side walls and in particular a flexible bottom.
  • a sack may thus be made of fabric such as cotton, plastic such as polyester and paper, or any combination thereof as known to those skilled in the art, with side walls and bottom made of this material.
  • a sack may have a non-flexible bottom made of, for example, plastic and / or metal with side walls of, for example, cotton and / or polyester as flexible side walls.
  • the embodiment according to the invention has the advantage that the outlet of the conveyor and the receiving device can be positioned relative to one another in such a way that the generation of dust in the environment during dosing is minimized as much as possible and at the same time the compacting of the metered bulk material can be improved.
  • a large distance can be adjusted to achieve the largest possible delivery rate of the bulk material by the conveyor, whereupon the distance to the bottom of the container is reduced for final compaction by the dosed from the conveyor bulk material.
  • This method is preferably to be used with bulk materials that have no large dust during dosing.
  • Another advantage of the inventive design of the device is a simplified construction, since neither means for generating vacuum are still necessary vibrating devices for compaction. This also has the advantage that due to the lack of compaction by means of a vibrator dosing can be done faster because in particular no additional process step is necessary.
  • the device has, as described above and below, input means for setting at least one operating parameter for the metering of the bulk material.
  • Operating parameters are at least one of the following parameters or a combination of these: type of bulk material; volume of the bulk material to be metered; weight to be dosed; Delivery rate of the conveyor; Dosing total duration; relative positioning of outlet and receiver at the beginning of dosing.
  • the relative positioning of the outlet and receiver at the beginning of the dosing operation is dependent on the bulk material to be dosed, so that the optimum relative positioning of the outlet and receiver is automatically adjusted by the apparatus, depending on the type of bulk material selected or preset can.
  • the metering of the bulk material can be designed in particular according to a variant as a continuous metering of the bulk material. This means that from a reservoir of bulk material respectively the required amount, ie weight and / or volume, is filled into the container, wherein in particular the already metered volume and / or weight should be measured.
  • the metering of the bulk material may be carried out in particular in a batch process, i. that the quantities of bulk material to be metered are already portioned in an earlier process step, so that monitoring of the already metered amount of bulk material during the metering is not necessary.
  • At least one of the following measured variables can be measured for the relative positioning of receiving device and outlet: current consumption of the conveyor; Weight of the dosed bulk material; Filling level of the bulk material in the container; metering; metered volume of the bulk material.
  • the current consumption of the conveyor which is an indicator of the resistance of the bulk material to be metered and thus indicates the relative positioning of receiving device and outlet as a function of this parameter can be used as a measure for relative positioning, in particular, the relative positioning can be regulated.
  • the weight of the metered bulk material can be determined, for example, with a balance mounted in and / or on the receiving device.
  • the example of a Reservoir dosed weight of the bulk material can be determined by means of a scale for determining the weight loss of the reservoir or even with a differential scale according to the WO 2010/052325 A1 ,
  • the filling level can be determined, for example, by means of a filling level sensor and / or a camera.
  • the metered volume of the bulk material can be determined, for example, via an adjustable delivery rate of bulk material on the conveyor by means of the measured metering time, so that the volume of the bulk material to be metered is reached after the total metering time has been reached.
  • the metered volume can also be determined from the weight of the metered bulk material.
  • the weight of the metered bulk material, a filling level of the bulk material in the container or a metering time can be correlated, for example, with previously stored data in, for example, in the device data processing means, so that an optimal positioning between outlet and receiving device is adjustable, the outlet and recording device in particular controllably positioned are.
  • a combination of the different measures for positioning of recording device and outlet is used to further improve the compaction and / or the prevention of dust.
  • the receiving device has a positioning device, so that the receiving device can be positioned relative to the outlet and in particular that the outlet is firmly positioned.
  • a positioning device in the sense of the present application is for example a combination of guide rails along which the receiving device is movable and a drive, for example an electric motor, in particular a servomotor, or else a pneumatic system.
  • This embodiment has the advantage that only the position of the receiving device is to be positioned relative to the outlet, which reduces the design complexity and thus makes the device less expensive. This is particularly assisted by the fixedly positioned outlet, i. immovable outlet, which simplifies positioning and thus increases the precision of positioning.
  • this embodiment has the further advantage that, in the case of a fixed outlet to the conveyor, not the entire metering device, i. the conveyor with drive, must be moved, since this usually has a high weight.
  • the positioning device can be simplified and is energetically cheaper to operate in operation.
  • the conveyor is designed as a screw conveyor, wherein the receiving device and the outlet in dependence of a measured torque are positioned relative to each other.
  • torque sensor for example, indirectly the measured current consumption of the screw conveyor for dosing or also known to those skilled strain gauges are.
  • the delivery rate of bulk material is essentially dependent on the speed of the screw. In doing so, the rate of delivery, i. adjust the volume delivered per unit time, of bulk material.
  • the current consumption of the screw conveyor changes depending on a conveying resistance of the bulk material.
  • the delivery resistance which is also referred to as flow resistance, depends, for example, on the filling level of bulk material in the container and the relative positioning of the outlet of the screw conveyor and the receiving device with the container.
  • the conveyor is arranged such that the conveying direction of the bulk material in the conveyor is substantially parallel to the action of gravity.
  • substantially parallel to the effect of gravity means that the conveyor is arranged substantially vertically.
  • substantially parallel to the effect of gravity means that the conveying direction and in particular the axis of a screw of the screw conveyor has an angle of ⁇ 20 °, preferably ⁇ 10 ° and particularly preferably ⁇ 5 ° to the effect of gravity.
  • the receiving device can be positioned in the conveying direction relative to the outlet.
  • the receiving device can only be positioned substantially parallel to the effect of gravity.
  • the receiving device is designed such that the outlet can engage in the container during dosing.
  • the receiving device has a fastening device for fastening the filling opening.
  • This fastening device is designed such that the filling opening of the container is formed so that the outlet can intervene in the container and also air that is displaced by the metered bulk material can escape from the container.
  • the receiving device has a support device for supporting a bottom of the container.
  • This support device is designed in particular as a bearing surface.
  • the device preferably has a compacting device arranged between the bottom and the filling opening during operation for compacting the bulk material during dosing, wherein the compacting device is fixed relative to the outlet.
  • the compacting device is arranged between the floor and fastening device.
  • a compacting device is understood to be a device by means of which, at least during the metering of the bulk material into the container, the compaction of the metered bulk material is improved. This can be done for example by means of constriction of the container between the bottom and fastening device and / or arranged by means of a diaphragm between the bottom and fastening device, wherein the aperture has a cross-section substantially complementary to the filling opening and can engage in the container; when using a non-neckable container, it is advantageous to use only one aperture.
  • the arrangement of a compacting device has the advantage that the compaction is improved during dosing and thereby the control and / or regulation of the position of the outlet in dependence on the measured variable such as the torque and / or the power consumption of the conveyor is ensured. Under certain circumstances, it is possible that without the arrangement of the compacting bulk material along the conveyor to the filling opening of the container can rise, which hardly a compaction of the bulk material can take place and thereby the control and / or regulation of the position of the conveyor is unreliable.
  • This embodiment of the device by means of the arrangement of a compacting device has the further advantage that bulk material, which is conveyed by the conveyor through the outlet into the container, is at least partially prevented by the compacting device, in the direction of the filling opening by dosing, for example by occurring pressure fluctuations in the container to be promoted.
  • dosing for example by occurring pressure fluctuations in the container to be promoted.
  • dosing yes at least partially bulk material is whirled up again and can thereby settle on the outside of the conveyor, which indeed projects into the container.
  • the arrangement of the compacting device this is reduced according to current understanding.
  • Such a deposition of bulk material on the outside has the disadvantage that, for example, a cleaning step is required and the contamination probability is increased in a subsequent dosing, for example, when dosing another bulk material.
  • the compacting device is designed as a constriction device for constricting a bag received in the receiving device.
  • the constriction includes an opening for receiving the bag, wherein in use, when used as intended, the outlet is positionable between the bottom of the bag and the opening.
  • a constriction device is understood to mean a device with which the side wall of a bag is deformable in order to reduce the cross section of the bag, at least in the area of the constriction device. This can be achieved, for example, by means of a clamping device defining an opening, in which the bag is received, when the circumference of the opening is smaller than the circumference of the side wall of the bag, whereby the bag is constricted in the region of the constrictor. This can be done for example by clamping lever or wire cords or other suitable devices.
  • a constriction of a bag, which is received in the constriction, between the bottom and the filling opening of the bag in the sense of the present application has the meaning that between the filling opening of the bag and the bottom of the bag when used as intended in the device, a constriction occurs.
  • this constriction occurs in a plane substantially perpendicular to the action of gravity, i. essentially parallel to the filling opening of the bag.
  • a fixed arrangement of the constricting device relative to the outlet of the conveyor in the context of the present application has the meaning that, when the outlet is firmly positioned, the constriction device is also firmly positioned and with variable positionability of the outlet, the constriction device is positioned substantially parallel with the outlet.
  • the bag is fastened by means of the fastening device to the filling opening, wherein the constricting means between the bottom of the bag and the fastening means constricting the bag; the opening formed by the Einschnür listening is aligned substantially parallel to the filling opening; the outlet is in operation under normal use so positioned so that it can engage in the filling opening of the bag and the opening of the constriction.
  • the opening has a substantially complementary shape to the cross section of the outlet, such that the outlet can engage in the opening and a sack can be constricted between the constricting means and the outlet.
  • the device is designed as Absackkarussell.
  • a bagging carousel is understood to mean a device for metering bulk material into a container which has at least one receiving device for receiving a container, the bagging carousel having a fastening position for fastening the filling opening to the fastening device.
  • the bagging carousel has a metering position for metering bulk material into the container and a removal position at which the container is removed from the bagging carousel.
  • the bagging carousel has means for transporting the container from the attachment position to the metering position and to the removal position.
  • the device has an attachment device for the automated fastening of a container to the fastening device.
  • the device has a removal device for automated removal of the container from the fastening device.
  • the present invention also relates to a method for dosing and compacting bulk material.
  • This method comprises the step of positioning a conveyor and a receiving device relative to one another with a distance between an outlet of the conveyor and a bottom of a container, in particular a bag, in the receiving device.
  • This is followed by dosing of the bulk material by means of the conveyor into the container through a filling opening of the container.
  • At least one measured variable is measured at least during metering, wherein in particular a current consumption of the conveyor, a weight of the metered bulk material, a filling level of the bulk material in the container, a metered volume of the bulk material or a metering time is measured. It is also possible to carry out a sequential or simultaneous measurement of the aforementioned measured quantities.
  • This is followed by adjusting the distance between the outlet and the bottom as a function of at least one of the measured variables measured during dosing.
  • This method is carried out in particular with a device as described above and therefore has all the advantages of the device described above.
  • a distance between outlet and floor is defined as the distance parallel to gravity between the lowest point of the floor in the area of a projection of the outlet parallel to gravity on the floor and the mean of the lowest and highest point of the outlet when used as intended exclusively below Consideration of the distance in the direction of gravity. In other words, a distance perpendicular to the direction of gravity is not considered.
  • a screw conveyor is used as conveyor in the method, wherein the receiving device and the outlet are positioned relative to one another in dependence on a measured torque.
  • the receiving device is positioned relative to the outlet.
  • This refinement of the method also has the above-described advantages with regard to the torque measurement and the positioning of the receiving device relative to the outlet.
  • the outlet firmly positioned.
  • the distance is increased during dosing.
  • the distance is controlled and / or regulated as a function of the measured variable measured.
  • the adjustment of the distance is carried out continuously at least in a period of dosing.
  • the outlet engages in the container during the entire period of dosing.
  • a compacting device for compaction of the metered bulk material is fixedly arranged in relation to the outlet on and / or in the container during dosing.
  • the compacting device is a constricting device, wherein the bag is constricted between the bottom and the filling opening by means of the constricting device.
  • the distance during dosing is set such that the outlet between the bottom and a constricting device is positioned for at least 50% of the dosing time.
  • the outlet between the bottom and the necking device is positioned for at least 70%, more preferably at least 90%, and most preferably for 100%.
  • Another aspect of the present invention is directed to the use of a device as described above for metering bulk material.
  • bulk materials from the list of the following products or mixtures thereof are metered: cement, lime, plastic, grain, semolina, flour, bran, feed, sugar, salt.
  • An additional alternative aspect is directed to an apparatus having a screw conveyor for metering bulk material.
  • the device corresponds to the device described above.
  • the screw conveyor in particular bulk material is compacted.
  • the screw conveyor is arranged substantially vertically when used as intended.
  • substantially vertical in the sense of the present application has the meaning that the axis of the screw of the screw conveyor is aligned in normal use substantially parallel to gravity, in particular in an angular range of ⁇ 20 °, preferably ⁇ 10 ° and most preferably ⁇ 5 ° with respect to the direction of gravity.
  • This embodiment of the device has the advantage that the device for dosing bulk material is simplified, since in particular no bent tubes for conveying the bulk material in a container are necessary and also the promotion of the bulk material is supported in the container by gravity and thus the energy consumption is lowered.
  • the design of the device reduces the risk of the product remaining in the device for a long time because it is not conveyed reliably. This may be the case, for example, if, in particular in the region of bends of pipes through which the bulk material is conveyed, bulk material accumulates and is not transported further, which is undesirable.
  • FIG. 1 is a schematic representation of an inventive device 1 for dosing of bulk material 2 is shown.
  • the device 1 has a frame 15 in which a screw conveyor 10, a fastening device 26, a receiving device 20 and a positioning device 27 are mounted.
  • a worm 17 of the screw conveyor 10 is driven by means of a drive 13, that is set in rotation.
  • the screw conveyor 10 has a funnel-shaped inlet region 14 with an inlet 11.
  • the screw conveyor 10 an outlet 12, which engages in the fastening device 26.
  • a bag 22 is received, wherein a filling opening 23 of the bag 22 is received.
  • the fastening device 26 is part of the receiving device 20.
  • the receiving device 20 in the vertical direction, i. parallel to the axis of the screw 17 relative to the screw conveyor 10, positionable.
  • the device 1 also has two raising means 16 for alignment and in particular for adjusting the angle of the device with respect to the effect of gravity.
  • bulk material 2 is conveyed into the inlet 11 according to the arrow designated 2 and metered into the bag 22 by means of the screw conveyor 10, wherein a torque of the screw conveyor is measured with a measuring device, not shown, and the distance d between outlet 12 and bottom 24 by means the positioning device 27 is set in dependence on the measured torque.
  • FIG. 2 is the inventive device according to FIG. 1 shown in a second position. Same reference signs denote the same features as in FIG. 1 described and will be explained again only when needed.
  • a screw conveyor 10 with a screw 17 engages in a fastening device 26 in a container 21 with a filling opening 23 a.
  • the container 21 has a bottom 24 with an outlet 12 of the screw conveyor 10 positioned adjacent to the bottom 24 of the container 21, i. the distance d is about 5 cm.
  • bulk material 2 is now conveyed through the inlet 11 of the screw conveyor 10 and metered into the container 21 by means of the screw conveyor 10.
  • a torque on the current consumption of the screw conveyor is determined by means of a measuring device, not shown, so that with an increase in power consumption, a receiving device 20 parallel to the axis of the screw 17, i. moved parallel to the effect of gravity, whereby the distance d increases.
  • FIG. 3 is a dosing of bulk material such as semolina in a bag with a device according to the invention shown.
  • a position 33 of a pick-up device is selected such that a distance between a bottom of the bag and an outlet of a screw conveyor is ⁇ 5 cm.
  • the dosing process is started, the dosed volume being represented by the curve 35, ie the accumulated filling volume.
  • the measurement of the torque, which is represented by the curve 30, is started and compared with a target torque 31.
  • a screw speed 34 of a screw conveyor is set to a constant value after a startup time of t 1 .
  • the torque 30 rises above the preset target torque 31, whereupon a distance between an outlet of the screw conveyor and the bottom of the bag is increased.
  • the receiving device is accelerated to a speed 32 and thus moved away from the screw conveyor, as shown in the range of t 2 to t 3 by means of the curves with respect to the speed 32 and the position 33 of the receiving device.
  • FIG. 4 is an inventive device as in FIG. 1 shown in a start position.
  • the present device 1 comprises a compacting device comprising a constricting device 29, by means of which the bag 22 is constricted in cross section.
  • the outlet 12 of the screw conveyor 10 comprising a screw 17 is arranged between the bottom 24 of the bag 22 and the constrictor 29.
  • the constricting device 29, which comprises a clamping lever, is arranged between the fastening device 26 and the bottom 24.
  • FIG. 5 the end position of the bag 22 is shown at the end of the dosing process, before it is removed from the device 1. Also according to FIG. 5 the bag 22 is constricted by the Einschnür issued 29. The outlet 12 is located between the bottom 24 and the constrictor 29 during 100% of the metering time.
  • FIG. 6 is the compacting device comprising the constricting device 29 according to FIG. 4 and an aperture 18 in a schematic plan view with a bag 22 received therein.
  • the constricting device 29 is fixed to the frame 15 and thus fixed in relation to the outlet 12.
  • the constricting device 29 forms an opening 19, in which the bag 22 is received, whereby it is constricted.
  • the outlet 12 engages and thus in the bag 22.
  • the diaphragm 18 is fixed, which also engages in the bag.
  • the baffle has a cross-section substantially complementary to the filling opening of the bag 22 so as to allow the engagement of the baffle 18 in the bag and to achieve the improved compaction.
  • FIG. 7 is a schematic plan view of the constriction 29 according to FIG. 6 shown.
  • the constricting device 29 according to FIG. 7 is in an open position, so that a bag 22 can be fixed in the device and then the constrictor 29 is closed to constrict the bag 22 in the opening.
  • the outlet is not shown here.
  • FIG. 8 is schematically shown in a plan view designed as a constriction 29 compacting.
  • the constrictor 29 has an opening 19 substantially complementary to the cross section of the outlet 12 so that the outlet 12 engages the opening and a sack 22 is constricted between the constrictor 29 and the outlet 12 in the closed position shown here.
  • the bag in the region of the constriction device 29 has a substantially circular cross-section complementary to the cross section of the outlet 112.
  • the distance a of the two designated 29 elements is about 5 mm.
  • FIG. 9 is schematically shown in a plan view, the constriction device 29 in an open position without outlet. Before the constriction, the bag 22 has a substantially elliptical cross-section.

Claims (15)

  1. Procédé de dosage et de compactage d'un produit en vrac (2), comprenant les étapes suivantes:
    - positionner un transporteur et un dispositif de réception (20) l'un par rapport à l'autre avec une distance (d) entre une sortie (12) du transporteur et un fond (24) d'un récipient (21), en particulier d'un sac (22), dans le dispositif de réception (20); et
    - doser en continu ou selon un processus par lots exécuté avec préportionnement du produit en vrac (2) au moyen du transporteur dans le récipient (21) par une ouverture de remplissage (23) du récipient;
    caractérisé en ce que, lors du remplissage du récipient (21), on augmente le compactage du produit en vrac (2) par
    - mesure d'au moins une des grandeurs de mesure suivantes: consommation de courant du transporteur, couple de rotation du transporteur, hauteur de remplissage du produit en vrac (2) dans le récipient (21), temps de dosage; et
    - réglage de la distance (d) entre la sortie (12) et le fond (24) en fonction de la grandeur de mesure mesurée ou d'une combinaison de la grandeur de mesure mesurée et d'un poids mesuré du produit en vrac dosé (2) et/ou d'un volume dosé mesuré du produit en vrac (2).
  2. Procédé selon la revendication 1, caractérisé en ce que l'on effectue le réglage de la distance (d) en continu au moins pendant une partie du temps de dosage.
  3. Procédé selon une des revendications 1 ou 2, caractérisé en ce qu'un dispositif de compactage destiné au compactage du produit en vrac dosé est disposé de façon fixe par rapport à la sortie (12) sur et/ou dans le récipient (21) pendant le dosage.
  4. Procédé selon la revendication 3, caractérisé en ce que le dispositif de compactage est un dispositif d'étranglement (29) et le récipient (21) est étranglé entre le fond (24) et l'ouverture de remplissage (23) au moyen du dispositif d'étranglement (29).
  5. Procédé selon la revendication 4, caractérisé en ce que l'on règle la distance (d) pendant le dosage, de telle manière que la sortie (12) soit positionnée entre le fond (24) et le dispositif d'étranglement (29) pendant au moins 50 % du temps de dosage, de préférence pendant au moins 70 %, de préférence encore pendant au moins 90 % et de toute préférence encore pendant 100 %.
  6. Dispositif (1) de dosage et de compactage d'un produit en vrac (2) pour la mise en oeuvre d'un procédé selon l'une quelconque des revendications 1 à 5, comprenant
    - le transporteur pour le produit en vrac (2),
    - un dispositif de mesure pour la mesure de ladite au moins une grandeur de mesure, et
    - un dispositif de réception (20) destiné à recevoir le récipient (21), dans lequel le transporteur présente une sortie (12) pour le produit en vrac (2), et dans lequel le dispositif de réception (20) et la sortie (12) peuvent être positionnés l'un par rapport à l'autre d'une façon pouvant être commandée et/ou réglée pendant le dosage de produit en vrac (2) dans une ouverture de remplissage (23) du récipient, en fonction de la grandeur de mesure ou d'une combinaison de la grandeur de mesure mesurée et d'un poids mesuré du produit en vrac dosé (2) et/ou d'un volume dosé mesuré du produit en vrac (2).
  7. Dispositif (1) selon la revendication 6, caractérisé en ce que le transporteur se présente sous la forme d'un transporteur à vis (10) et en ce que le dispositif de réception (20) et la sortie (12) peuvent être positionnés l'un par rapport à l'autre en fonction d'au moins le couple de rotation mesuré.
  8. Dispositif (1) selon la revendication 6 ou 7, avec un transporteur à vis (10) pour le dosage et le compactage de produit en vrac (2), caractérisé en ce que le transporteur à vis (10) est disposé en direction essentiellement verticale en utilisation normale.
  9. Dispositif (1) selon l'une des revendications 6 ou 7, caractérisé en ce que le transporteur est disposé de telle manière que la direction de transport du produit en vrac (2) dans le transporteur soit essentiellement parallèle à l'action de la force de la gravité.
  10. Dispositif (1) selon la revendication 9, caractérisé en ce que le dispositif de réception (20) peut être positionné par rapport à la sortie (12) dans la direction de transport.
  11. Dispositif (1) selon l'une quelconque des revendications 6 à 10, caractérisé en ce que le dispositif de réception (20) présente un dispositif d'appui, en particulier une face de dépôt (25), pour soutenir un fond (24) du récipient (21).
  12. Dispositif (1) selon l'une quelconque des revendications 6 à 10, caractérisé en ce que le dispositif (1) présente un dispositif de compactage disposé en service entre le fond (24) et l'ouverture de remplissage (23) pour le compactage du produit en vrac pendant le dosage, dans lequel le dispositif de compactage est disposé de façon fixe par rapport à la sortie (12).
  13. Dispositif (1) selon la revendication 12, caractérisé en ce que le dispositif de compactage se présente sous la forme d'un dispositif d'étranglement (29) pour l'étranglement d'un sac (22) contenu dans le dispositif de réception (20), comprenant une ouverture (19) destinée à recevoir le sac (22), dans lequel la sortie (12) peut être positionnée en service en utilisation normale entre le fond (24) du sac (22) et l'ouverture (19).
  14. Dispositif (1) selon l'une quelconque des revendications 6 à 13, caractérisé en ce que le dispositif (1) se présente sous la forme d'un carrousel d'ensachage.
  15. Utilisation d'un dispositif (1) selon l'une quelconque des revendications 6 à 14 pour le dosage de produits en vrac (2) de la liste des produits suivants ou de mélanges de ceux-ci: ciment, chaux, matières plastiques, céréales, graviers, farine, argiles, fourrage, sucre, sel.
EP11763729.8A 2010-10-01 2011-09-30 Dispositif et procédé pour le dosage d' une matière en vrac Active EP2621814B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11763729.8A EP2621814B1 (fr) 2010-10-01 2011-09-30 Dispositif et procédé pour le dosage d' une matière en vrac

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10186017A EP2436602A1 (fr) 2010-10-01 2010-10-01 Dispositif et procédé pour le dosage d'un produit en vrac
PCT/EP2011/067151 WO2012042034A1 (fr) 2010-10-01 2011-09-30 Dispositif et procédé de dosage d'un produit en vrac
EP11763729.8A EP2621814B1 (fr) 2010-10-01 2011-09-30 Dispositif et procédé pour le dosage d' une matière en vrac

Publications (2)

Publication Number Publication Date
EP2621814A1 EP2621814A1 (fr) 2013-08-07
EP2621814B1 true EP2621814B1 (fr) 2016-02-10

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EP10186017A Withdrawn EP2436602A1 (fr) 2010-10-01 2010-10-01 Dispositif et procédé pour le dosage d'un produit en vrac
EP11763729.8A Active EP2621814B1 (fr) 2010-10-01 2011-09-30 Dispositif et procédé pour le dosage d' une matière en vrac

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP10186017A Withdrawn EP2436602A1 (fr) 2010-10-01 2010-10-01 Dispositif et procédé pour le dosage d'un produit en vrac

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US (1) US9266628B2 (fr)
EP (2) EP2436602A1 (fr)
CA (1) CA2813105C (fr)
ES (1) ES2569031T3 (fr)
WO (1) WO2012042034A1 (fr)

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US8910672B2 (en) * 2012-07-09 2014-12-16 Henry El Cheikh Powdered drink mix dispensing assembly
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CN103523248B (zh) * 2013-09-26 2017-03-08 黎明 一种棉产品包装装置
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CN105836167A (zh) * 2016-04-25 2016-08-10 广西贺州市科隆粉体有限公司 一种非金属粉体定量自动包装装置及其包装方法
BR112019001410B1 (pt) * 2016-07-27 2023-04-18 Bühler AG Dispositivo para dosagem e/ou pesagem de material a granel e método para operação de um dispositivo
DE102018101180B4 (de) * 2018-01-19 2019-10-10 Rovema Gmbh Verfahren zum Betrieb einer Verpackungsmaschine
CN111210219B (zh) * 2020-02-10 2020-12-08 江西舒乐佳家庭用品有限公司 一种基于数据识别的超市称重结算装置
CN112109933B (zh) * 2020-09-09 2021-05-28 江苏汤姆智能装备有限公司 一种自动称重包装机
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Also Published As

Publication number Publication date
EP2621814A1 (fr) 2013-08-07
EP2436602A1 (fr) 2012-04-04
ES2569031T3 (es) 2016-05-06
US20130186515A1 (en) 2013-07-25
CA2813105A1 (fr) 2012-04-05
US9266628B2 (en) 2016-02-23
WO2012042034A1 (fr) 2012-04-05
CA2813105C (fr) 2018-03-20

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