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EP3197783B1 - Dispositif et procédé de remplissage de sacs ouverts - Google Patents

Dispositif et procédé de remplissage de sacs ouverts Download PDF

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Publication number
EP3197783B1
EP3197783B1 EP15781302.3A EP15781302A EP3197783B1 EP 3197783 B1 EP3197783 B1 EP 3197783B1 EP 15781302 A EP15781302 A EP 15781302A EP 3197783 B1 EP3197783 B1 EP 3197783B1
Authority
EP
European Patent Office
Prior art keywords
bag
receiving box
receiving
filling
suction
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
EP15781302.3A
Other languages
German (de)
English (en)
Other versions
EP3197783A1 (fr
Inventor
Willi Vollenkemper
Volker SCHÜTTE
Martin Schwakenberg
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.)
Haver and Boecker OHG
Original Assignee
Haver and Boecker OHG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Haver and Boecker OHG filed Critical Haver and Boecker OHG
Publication of EP3197783A1 publication Critical patent/EP3197783A1/fr
Application granted granted Critical
Publication of EP3197783B1 publication Critical patent/EP3197783B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • 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
    • B65B1/02—Machines characterised by the incorporation of means for making the containers or receptacles
    • 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
    • B65B1/20—Reducing volume of filled material
    • B65B1/22—Reducing volume of filled material by vibration
    • 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
    • B65B1/20—Reducing volume of filled material
    • B65B1/26—Reducing volume of filled material by pneumatic means, e.g. 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
    • B65B1/28—Controlling escape of air or dust from containers or receptacles during filling
    • 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
    • B65B1/46—Check-weighing of filled containers or receptacles
    • 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
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/12—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers movable towards or away from container or wrapper during filling or depositing
    • 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
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B65B43/14—Feeding individual bags or carton blanks from piles or magazines
    • 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
    • B65B43/50—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 rotary tables or turrets
    • 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
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/001—Arrangements to enable adjustments related to the product to be packaged
    • 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
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/005—Adjustable conveying means

Definitions

  • the present invention relates to an apparatus and method for filling empty open sacks, also called open sacks.
  • the invention also relates to an apparatus and method for filling empty open bags with bulk materials or liquids, wherein the filling weight of a filled open bag is between about 1 kg and 10 kg. Also conceivable are larger and smaller filling weights.
  • Sacks that are filled with a bulk material such as cement, high-quality grout or other building materials and have the said relatively small weights can also be referred to as bags or small bags.
  • sacks are made in a device upstream of the device just prior to filling. See eg DE-A-10 2013 003 223 .
  • a flat film is passed over a forming shoulder and the flat film is welded there to form a film tube.
  • a bottom seam is introduced and in the thus divided hose, the bulk material to be filled is filled until the desired weight or volume is reached. Then the top seam is introduced and the bag is separated.
  • a device is used for filling empty open bags, in particular with bulk goods or liquids.
  • the device has at least one filling station and a bag receiving unit arranged thereon. At least one weighing unit is provided. A bag received by the bag receiving unit is at least partially filled.
  • at least one bag receiving unit is designed as a receiving box with a receiving space for temporarily receiving a bag.
  • At least one suction opening is arranged on the receiving box in order to receive the empty bag which is to be accommodated therein in the receiving box at least in sections in a form-fitting manner.
  • the receiving box has suction openings in a lower area and in at least one area above it, which can be controlled differently.
  • the bag is at least at its lower end positively received in the receiving box.
  • the receiving box is designed and arranged to suck in the empty bag to be received therein via the at least one suction opening.
  • the device according to the invention has many advantages.
  • a considerable advantage of the device according to the invention is that an open bag which is to be filled and still empty is transferred to a bag receiving unit and received there in a form-fitting manner.
  • both the handling is facilitated and provided the opportunity to compact the filled open bag before the filled bag is closed, for example by a head weld.
  • the bag receiving unit designed as a receiving box can receive the open bag in the receiving space in a form-fitting manner, so that trouble-free filling is made possible.
  • Positive locking means to apply both the bag bottom and the side walls of the open bag to the boundaries of the receiving space and so to open for the following filling and to keep open in particular in the following filling.
  • the device is provided with a plurality of filling stations, wherein a bag receiving unit is arranged at each filling station.
  • the device may have a rotatable filling carousel with a plurality of filling stations.
  • the filling carousel rotates preferably during operation stepwise or clocked.
  • the device is particularly preferably suitable and adapted to fill bulk goods in empty open bags.
  • the bag is opened and in particular in the receiving box. It is also possible that a pre-opened open bag is supplied to the receiving box, for example from above. By sucking on the suction openings of the receiving box, the pre-opened empty bag is then reliably transported into the receiving space and places there at least partially positive fit.
  • the receiving box is tubular and has at least one upper open end. About this open-top end of the receiving box is fed to be filled empty open bag.
  • the receiving box also has a lower open end.
  • the receiving box has a free cross-section throughout, as will be the case with the filled open bag later.
  • the open bag to be filled is held in the receiving box by the suction through the suction openings. When switching off the suction of the open bag falls due to gravity from the lower end of the receiving box through down beyond, if there is enough space available.
  • the receiving box has at least one inner wall adjoining the receiving space a plurality of suction openings, so that the wall of the bag is applied to the receiving space and remains open at the top. If the male bag to be accommodated is still located above the receiving box, it is possible by suction of the receiving space to produce a local underpressure there, which causes the male bag to be picked up to be drawn into the receiving box.
  • the receiving box is formed on at least one side and more preferably on at least two opposite sides of double-walled and has at least one space, so at least in the space at least one air chamber is provided for vacuum distribution.
  • the receiving box is formed circumferentially double-walled. In the vertical direction, the gap may be subdivided to form a lower air chamber and at least one air chamber disposed above it, separated or can be applied together with negative pressure.
  • the air chambers can z. B. be divided by webs.
  • the receiving box has at least one suction nozzle.
  • the at least one air chamber can be supplied with vacuum. It is also possible that two or more separate air chambers or suction openings are provided on the receiving box, which can be sucked separately from each other, so that a suction or a temporal sequence of suction different suction holes is possible.
  • the receiving box has suction openings in a lower area and in at least one area above it. At least two, three or more areas can be controlled differently.
  • the receiving box is replaceably attached to a holder device.
  • the holder device is assigned in particular to the filling station and firmly connected thereto.
  • a separate bottom plate is present and / or inserted at a lower end of each receiving box.
  • This bottom plate is arranged movable relative to the receiving box at least in the vertical direction.
  • the bottom plate is supported on a base platform of the device.
  • vibrations can be transmitted to the bottom plate and thus to the open bag to be filled via the base platform in order to effect a venting and compression of the filled material.
  • the bottom plate is particularly formed separately and mitverfahrbar.
  • the bottom plate has in particular at least one suction opening. At the suction opening, a support grid and / or at least one wire mesh or other air-permeable support means to support the bag or bag bottom may be arranged.
  • the holder device comprises at least one holding arm and in particular two holding arms and that at least one suction channel is assigned to the holder device or is provided thereon.
  • the retaining arms serve to hold the receiving box.
  • About the suction channel of the receiving box is sucked or supplied with vacuum.
  • two or more separate suction ducts on the holder device are in operative connection with the receiving box.
  • the suction channel of the holder device protrude into a suction nozzle of the receiving box or vice versa.
  • a suction nozzle of the receiving box ends with a small or very small gap in front of the suction channel. It can be compensated for possibly occurring incorrect air. A seal is possible.
  • At least two opposing inner walls of the receiving box divide conically upwards. This facilitates the insertion of a bag from the top and also a removal of the bag upwards.
  • a preferred angle is between 0.2 ° and 5 ° and preferably between 0.25 ° and 2 °.
  • a plurality of filling stations is preferably provided, wherein a bag receiving unit is positioned at each filling station.
  • the holding devices are arranged in a star shape on a filling carousel and there is provided a venting channel, to which the bag receiving units can be connected.
  • a transfer station for transferring open bags to be filled.
  • a still empty open bag to be filled is transferred to a bag receiving unit.
  • the transfer station preferably a pivoting arm on which a receiving box is mounted in particular interchangeable.
  • the receiving box of the transfer station is arranged in a plane immediately above the upper edge of the receiving box at the filling station. This makes it possible for the transfer station to take over an open bag to be filled from a bag source in a pivoting position and to transfer the bag to the bag receiving unit at the filling station in another pivoting position.
  • the receiving box of the transfer station in the other pivot position is arranged directly aligned above the receiving box of the filling station.
  • the device is used for filling, in particular bulk goods in open bags on the gross method.
  • the open bag including the already filled bulk material is weighed to control the filling process.
  • the inventive method is used for filling in particular bulk materials in empty open bags with a device having at least one weighing unit, at least one filling station and arranged on the filling space bag receiving unit.
  • the bag received at the bag receiving unit is at least partially filled.
  • an empty bag to be picked up is temporarily received in a form-fitting manner at least in sections in the receiving box.
  • the receiving box in a lower area and in at least one area above it with different intensity and / or time-delayed suction.
  • the method of the invention has many advantages, as it allows a simple and effective transfer of an empty empty bag to be filled and the subsequent filling of the same.
  • air is sucked through provided in the inner walls of the receiving box suction, so that the wall of an empty bag to be filled inside at the receiving box at least partially and possibly fully form-fitting applies.
  • suction when receiving an empty open bag first in a lower portion of the receiving box suction sucks more suction or be subjected to negative pressure than in an area above it. For example, to take over an open bag to be filled, first only suction openings in a lower area of the receiving box can be sucked off, while the suction openings in a middle or upper area of the receiving box do not suck air. Since, however, is sucked in a lower portion of the receiving box, created in the receiving box as a whole an air flow down and a negative pressure, which leads to an aspiration of the open bag to be filled. It is also possible that both in a lower region and in an upper region via the suction air is sucked. In this case, the suction in the lower area may be stronger than in the upper area.
  • an empty open bag when picked up, it is initially sucked off more strongly in an upper area than in a lower area of the receiving box.
  • the negative pressure in an upper region of the receiving region is first amplified, so that the transfer of the open bag to be filled is accelerated.
  • the suction can then follow practically the respective level or the respective height of the bottom of the open bag to be accepted, so that with increasing transfer of the open bag to be filled, the suction becomes stronger towards the bottom, while in an upper area is at least temporarily weaker to avoid seepage of the bag wall there.
  • suction openings when receiving an empty open bag suction openings are first sucked in a middle or upper area and then in a lower portion of the receiving box.
  • FIG. 1 shows an overall perspective view of a device 1 for filling bulk materials and fluids in flexible open topped bags 3.
  • the on the in FIG. 1 illustrated device 1 processed bags 3 are made of a flexible material and in particular of plastic material.
  • the device comprises a filling carousel 2, a bag source 70 and an intermediate silo 80 for intermediate buffering of the bulk material to be filled.
  • a film roll 71 is provided on the bag source 70, on which a film web 72 is wound.
  • the unwound from the film roll 71 film web 72 is fed to a forming shoulder 73.
  • the film web 72 is made of plastic film around the shoulder and it is welded a longitudinal seam, so that a continuous film tube is formed.
  • the bag bottom is produced, in which suitable welds are introduced transversely to the longitudinal extent of the tubular film.
  • the tubular film held in the appropriate cross-section is conveyed further and brought into the receiving box 62 of the transfer station 60.
  • the open bag 3 to be filled is received in a form-fitting manner.
  • the tubular film is cut to fit, so that the open-top end of the open bag 3 is made.
  • FIG. 1 the pivot position 63 of the transfer station 60 is shown while in FIG. 2 the pivoting position 64 is shown, at which the open bag 3 to be filled is transferred to the treatment station 41 as a transfer station, where the filling open bag 3 is passed to the filling station 12, as FIG. 2 represents.
  • the device 1 a base frame to which the filling carousel 2 and the other components are attached.
  • the fixed part 5 of the device 1 has a base platform 55.
  • the base platform 55 extends below the trajectory of the bag receiving units 30, which are arranged at the filling stations 11 to 18.
  • a holding device 20 is attached to the movable part 6 respectively.
  • Each holding device 20 in turn supports a bag receiving unit 10, at which the bags to be filled are held, held and guided.
  • the filling carousel 2 is operated clocked here, so that the individual filling stations 11 to 18 and the bag receiving units 10 received thereon are transported in succession to the individual treatment stations 41 to 48.
  • FIG. 2 shows the acquisition of the open bag 3 to be filled by the bag receiving unit 10 at the filling station 11.
  • the filling carousel 2 is operated clocked here, so that after a clock of just handed open bag 3 is located at the treatment station 42, where provided a filling in the coarse flow is.
  • the treatment station 42 is associated with a filling turbine 82 and an actuator 83 and a filling tube 86.
  • the filling tube 86 dips into a dust hood 87.
  • the dust hood 87 is lowered into the bag receiving unit 10.
  • a tubular part in the interior of the cover 87 extends telescopically around the filling tube 86, so that virtually an extension of the filling tube 86 takes place downwards. This reduces the drop height of the bulk material in the open bag to be filled, so less dust occurs, which must be removed to avoid contamination of the device 1.
  • an additional enrichment of the filling material with air is prevented by an unnecessarily high drop height.
  • z. B be compacted via a Bodenrüttler during the filling process.
  • the bag to be filled is brought to a compression station 43, where the previously filled material is vented and compacted.
  • the flexible open bag 3 reaches the treatment station 44.
  • a filling turbine 82 which is driven by a motor 81.
  • Via a filling tube 86 the bulk material to be filled is supplied in fine flow to the open bag 3.
  • a cover 87 is provided, which dips from the top into the bag receiving unit 10 in order to reduce the drop height of the bulk material and thus the dust content and the air intake.
  • adjusting units 83 are provided here in the respective filling tubes 86, which allow a pre-adjustment of the open cross section of the filling tubes 86.
  • the filling cross section in the coarse flow and the filling cross section in the fine flow are pre-adjusted in order to achieve optimum filling properties.
  • treatment stations 45, 46 and 47 After filling the fine flow at the treatment station 44, three further treatment stations 45, 46 and 47 follow, at which a compression of the filled material takes place. At the treatment station 48, the filled open bag is removed.
  • the treatment stations 45, 46 and 47 may be formed as a common compression station.
  • Each bag receiving unit 10 designed as a receiving box 30 has a recognition unit 54 which responds to optical, magnetic or electronic interrogation and, in particular, returns a clear signal.
  • a recognition unit 54 which responds to optical, magnetic or electronic interrogation and, in particular, returns a clear signal.
  • a kind of bar code can be provided.
  • RFID radio-frequency identification
  • the respective bag receiving unit 10 can be clearly identified and assigned. This is important, for example, when a product change or a size change of the bags to be filled takes place to ensure that the appropriate bag receiving units 10 are mounted on the filling carousel 2. This allows other format-dependent machine settings to be made.
  • receiving boxes 30 For filling different amounts differently configured receiving boxes 30 may be provided.
  • the treatment stations are oriented here at the upper ends of the receiving boxes 30, so that when the receiving boxes 30 are of different heights, they are provided with their upper end 32 (cf. Fig. 5 ) are arranged at the same height. To make a length compensation, therefore, the underlying platform 55 is moved in height accordingly.
  • the filling carousel 2 is rotatably mounted about the axis of rotation 8.
  • the pivot position 64 of the pivot arm 61 is a transfer of an open bag 3 to be filled (here) the Golfplatz 11.
  • the pivot arm 61 forms with the coupling rod 65 a parallelogram pivoting device for the receiving box 62, the basic structure of the receiving boxes 30 equals.
  • Each holder 20 here has two retaining arms 21 and 22, which are covered to protect against dust and dirt by a cover 25 upwards.
  • the height adjustments 85 are provided. Individual elements of the height adjustment can have a drive, while other elements of the height adjustment serve only for guidance.
  • the scale platform 56 is mechanically decoupled from the base platform 55, but at the same time as the base platform in FIG the same way in height adjusted.
  • the scale platform is one in the Figures 1 and 2 non-visible weighing unit 7 associated with the weight of the balance platform 56, and a standing thereon receiving box 30 including an open bag 3 contained therein and the filled bulk material 4 is measurable. By deduction of the known weights for the receiving box 30, the weight of the bag material 3 and the scale platform 56 is calculated back to the weight of the filled bulk material 4 in the gross method.
  • FIG. 3 shows an enlarged schematic perspective view of a part of the device 1, wherein in the left part of the transfer station 60 can be seen in more detail.
  • the pivot arm 61 and the coupling rod 65 of the transfer station 60 are here in the pivot position 64, in which a to be filled open bag 3 is passed from the receiving box 62 to the receiving box 30 directly below.
  • suction openings 34 are provided, is sucked through the air, so that an arranged in the receiving box 62 open bag 3 forms a form-fitting manner against the inner wall of the receiving box 62.
  • the suction on the receiving box 62 is turned off and the suction is activated on the receiving box 30 as a receiving unit 10, so that the open bag 3 is transported from the receiving box 62 down into the receiving box 30, where the bag 3 again form-fitting to the inner wall of the receiving box 30 applies.
  • the dust hood 87 can also be seen at the treatment station 44.
  • a dedusting hose not shown here is connected to remove the dedusting air.
  • Each receiving box 30 has a receiving space 31, which here has a height approximately constant over the height and here rectangular cross-section.
  • the inner walls are slightly tapered upwardly to facilitate insertion from the top and removal upwardly.
  • a preferred angle is between 0.25 ° and 2 ° and can, for. B. 0.35 ° or 0.5 °.
  • the dimensions of the rectangular cross section depend on the desired dimensions of the filled open bags. The dimensions are given here by the dimensions of the receiving boxes 30 and the flexible bag material is selected accordingly or vice versa.
  • the receiving boxes 30 are located at the other treatment stations respectively above the base platform 55.
  • each or in total at least one compression drive 84 in the form of z.
  • an imbalance exciter or a magnetic vibrator and at least one spring 79 is provided in order to achieve an effective compression of the filled material. Even from above acting compression devices are possible.
  • FIG. 4 shows a further enlargement of a perspective view of the filling carousel 2 with here only one receiving box 30 on a holding device 20.
  • the receiving box 30 has retaining tabs 40, with which the receiving box 30 is attached to the support arms 21 and 22 of the holder device 20.
  • a maintenance flap 39 can be seen, with which the intermediate space of the double-walled receiving box 30 is accessible. If a plurality of spaced apart and separate spaces are provided, preferably correspondingly many maintenance flaps 39 are provided.
  • a decoupling of a receiving box 30 can be effected via a control device not shown in detail.
  • a manual decoupling is possible via the release 26 at any time.
  • FIG. 4 also the suction channel 23 can be seen on the holding device 20, through which the air is sucked out of the suction openings 34 on the receiving box 30.
  • the solidly drawn maintenance flap 39 Above the solidly drawn maintenance flap 39 is still a dashed line shown maintenance flap 39, if two superimposed spaces are provided.
  • FIG. 5 shows a partially sectioned side view of the device 1, wherein the axis of rotation 8 of the filling carousel 2 and the drive 19 of the filling carousel 2 can be seen.
  • the base platform 55 On the base platform 55 are at the lower end of the receiving boxes 30 bottom plates 50 so that a recorded in the receiving box 30 bag 3 is supported on the top of the bottom plate 50.
  • the underside of the bottom plate 50 is in sliding contact with the base platform 55 when the filling carousel 2 is further clocked.
  • the bottom plate 50 is therefore a sliding plate or a wear plate, which protects the bottom of an open bag 3 to be filled from contamination and damage during the rotation or further indexing of the filling carousel 2.
  • the receiving box 30 is in Fig. 5 to see in cross section. It can be seen here that an air chamber 37 extends from the upper end 32 to the lower end 33 between the inner wall 35 and the outer wall 36. On the inner wall 35 a plurality of suction openings 34 is arranged so that the bag wall forms a form-fitting and flat against the receiving space 31 of the receiving box 30.
  • the gap 37 is supplied via the suction nozzle 38 with vacuum.
  • the suction nozzle 38 ends here with a small distance in front of the suction channel 23 which is fixed to the movable part 6. At the provided fixed angular positions of the suction channel 23 couples to the suction port 52.
  • a sealing Connection is provided via the sliding collar 53, which slides during the rotation of the movable part 6 over the outer surface of the here annular venting channel 9.
  • suction openings 34 are provided here, at which preferably air is sucked at the transfer station 41 to suck a to be filled open bag 3 from above into the receiving box 30 in or to support the movement. It is also possible that instead of suction openings 34 in the bottom plate additional and controllable suction openings are provided in a lower region of the receiving box 30.
  • FIGS. 5 and 6 Dashed is in the FIGS. 5 and 6 illustrated a variant in which above the height of several areas 31a, 31b and 31c provided for coupled or separately controllable suction.
  • additional suction openings 34 are provided here, which are shown here with a rectangular cross-section.
  • These suction openings 34 may also be round, oval or slot-like or otherwise formed. With such a configuration, it is possible to dispense with suction openings 34 in the floor panels partially and in particular completely.
  • a puff of air it is also possible and preferred for a puff of air to be emitted from above into the opened bag 3, which reliably and reproducibly brings the bag 3 held open downwards and onto the base plate 50 or on the base platform 55 positioned when no bottom plate 50 should be present.
  • the strength of the air blast emitted via one or more air nozzles can be determined experimentally.
  • a mechanical push-in device can press the bag bottom downwards.
  • the suction of the suction openings 34 can be slightly reduced in order to ensure a reliable lowering of the opened bag 3 in the bag receiving unit 10.
  • FIG. 6 shows a cross section through the receiving box 30 transverse to the cross section FIG. 5 ,
  • the receiving box 30 is held on the holding means 20 via the lateral retaining tabs 40.
  • the manual release 26 is provided laterally.
  • the base plate 50 rests on the base platform 55, in which suction openings 34 are also provided, which are coupled to the suction end 51 below the bottom platform 55.
  • a suction hose is connected.
  • suction openings 34 are arranged in the lower region 31a, in the central region 31b and in the upper region 31c.
  • the suction openings in the different area 31a to 31c can preferably be controlled separately if the dashed lines separating webs 35a and 35b are provided, which then divides the gap 31 into separate air chambers 37a, 37b and 37c.
  • the control can be done via separately controllable valves.
  • Fig. 6 a possible embodiment in all embodiments of the suction openings 34 on the bottom plate 50.
  • the bottom surface of the bottom plate is formed to a large or even predominant part by an air-permeable support unit 50b, which here comprises a wire mesh or more wire mesh.
  • an air-permeable support unit 50b which here comprises a wire mesh or more wire mesh.
  • the suction opening 34 through the wire mesh 50b is covered, the bag to be filled with its bottom can stand up completely on the floor surface. Damping or deformation of the soil due to the filled weight and / or the suction can be largely or completely avoided.
  • wire mesh or other elements that support the floor surface.
  • at least one separate support member may be provided below the wire mesh to support the wire mesh, as shown schematically in FIG Fig. 6 is drawn.
  • FIG. 7 shows a side view of a part of the device 1, wherein the treatment station 44 is visible.
  • the weighing unit 7 is provided, with which the separately formed scales platform 56 and the parts located thereon can be weighed.
  • FIG. 7 shows a state that is present just after reaching the treatment station 44.
  • the receiving box 30 is still coupled via the locking unit 24 fixed to the holder device 20, so that the receiving box 30 does not stand up here on the scale platform 56, but is located a little way above.
  • the bottom plate 50 On the scale platform 56 here is the bottom plate 50 which is freely movable in the vertical direction relative to the receiving box 30, but which is designed so high that the bottom plate 50 is taken during the rotational movement of the filling carousel 2 of the receiving box 30.
  • the movable part 6 there is a sliding relative movement of the underside of the bottom plate 50 and the scale platform 56 or the base platform 55, when the movable part 6 is further clocked.
  • a run-on slope 57 is on the scale platform 56 and there is a run-on slope 58 on the base platform 55 ,
  • FIG. 7 Dashed lines are drawn in FIG. 7 an open bag 3, the better visibility spaced from the inner wall 35 has been drawn. Practically, the open bag 3 lies down its wall firmly against the inner wall 35 at. In the open bag 3, some bulk material 4 is shown as an example.
  • the base platform 55 is height-adjustable and can be adjusted, for example, up to the dashed line 89 high or even higher to mount corresponding receiving boxes 30 at the treatment stations 41 to 48. After replacement, bags can be filled with correspondingly smaller volumes.
  • FIG. 8 shows an enlarged detail view of a receiving box 30 at the scale station 44, wherein the receiving box 30 is located in the decoupling position 76 lowered here.
  • the clamping cone 27 of the locking unit 24 is extended, so that the previously raised to the retaining tabs 40 receiving box 30 lowers and stands on the scale platform 56 at the scale station 44.
  • a weight-based decoupling of the receiving box 30 from the associated filling station or the associated holder device 20 is achieved.
  • the previously filled in the bag 3 weight can be determined very accurately.
  • connection of the suction channel 23 and the suction nozzle 38 can be interrupted at the balance station to allow a relative movement between the bag and the receiving box. Even if the receiving box does not completely lower, the receiving box rests on the balance platform 56 in frictional engagement with the bag, resulting in a precise weighing according to the gross method in the form described.
  • the maintenance flap 39 can be opened if necessary in order to empty the intermediate space 37 and, if necessary, to clean it.
  • Fig. 8 are dashed two recesses or grooves 50a shown on the bottom plate 50, which serve to receive holding units or lugs 30a on the receiving box 30.
  • the elements 50a and 30a it is ensured that the bottom plate 50 does not fall out when the receiving box 30 is picked up manually.
  • the holding units or lugs 30a are produced on the receiving box 30 by bending the sheet of the receiving box 30.
  • the receiving box 30 can stand up on three feet 30b in all embodiments. At least one of the feet 30b may be adjustable. Preferably, all feet 30b are adjustable. This prevents the receiving box 30 from rising on its outer frame when the receiving box 30 on the scale platform 56 is lowered. Even with possible manufacturing tolerances can be prevented that the receiving box 30 is easily skewed in any direction. Thus, it can also be prevented that receiving box 30 is based on the brackets and so the weight is distorted. By one, two or three adjustable feet 30b ensures that the receiving box 30 stands up defined and not on the circumferential rectangular frame. As a result, each receiving box 30 can be optimally adjusted.
  • an advantageous device and an advantageous method are provided with the invention, whereby a simple and effective transfer to be filled and still empty open bags is made possible to a filling station.
  • the bottom of the open bag 3 is transported by gravity and supported by the suction in the receiving box 30 in it.
  • the suction openings 34 By suction on the suction openings 34, the bag wall sets form-fitting manner to the receiving box 30, so that even before filling an ideal and desired shape of the open bag 3 results. This achieves an effective and material-saving filling.
  • a visually appealing shape of the filled open bag 3 is ensured.
  • a safe immersion of the dust hood 87 in the receiving box 30 and in particular even in the opened bag. 3 allows.
  • the receiving boxes 30 guide the open bags 3 to be filled during transport with the movable part 6 reliably. For better weighing of the receiving box 30 is spent at the scale station in a Entkoppelungs ein to determine the weight still to be filled there and in particular in the fine flow to fill the still missing part controlled in the open bag. There are several stations provided, where there is a compression of the filled material. It can be shaken both from below as well as from above a vacuum lance or a vibrating lance or the like in the open open bag 3 dive to effect effective ventilation and thus compression.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Basic Packing Technique (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Claims (15)

  1. Dispositif (1) destiné à mettre des produits en vrac dans des sacs ouverts (3) vides, comprenant au moins un poste de remplissage (11-18) et une unité de réception de sac (10) disposée sur celui-ci ainsi qu'au moins une unité de pesage (7), dans lequel un sac (3) reçu par ladite unité de réception de sac (10) est rempli au moins en partie,
    caractérisé par le fait
    qu'au moins une unité de réception de sac (10) est conçue en tant que boite de réception (30) ayant un espace de réception (31) destiné à recevoir temporairement un sac (3), sur laquelle boîte de réception (30) sont disposées des ouvertures d'aspiration (34) pour recevoir à engagement positif, au moins par sections, à l'intérieur de la boîte de réception (30), le sac vide (3) à y recevoir, et que ladite boîte de réception (30) présente des ouvertures d'aspiration (34) dans une zone inférieure (31a) et dans au moins une zone (31b, 31c) située là-dessus, qui peuvent être commandées de manière différente.
  2. Dispositif selon la revendication 1, dans lequel la boîte de réception (30) est réalisée à la manière d'un tube et présente une extrémité supérieure ouverte (32), et dans lequel la boîte de réception (30) comprend une extrémité inférieure ouverte (33).
  3. Dispositif selon la revendication 1 ou 2, dans lequel la boite de réception (30) présente une pluralité d'ouvertures d'aspiration (34) sur au moins une paroi intérieure (35) contiguë à l'espace de réception (31), pour que la paroi du sac (31) vienne s'appliquer contre l'espace de réception (31) et reste ouvert en haut,
  4. Dispositif (1) selon l'une quelconque des revendications précédentes,
    dans lequel la boîte de réception (30) est réalisée à double paroi (35, 36) sur au moins un côté et présente un espace intermédiaire (37) de sort qu'une chambre à air (37) pour la distribution de vide est mise à disposition au moins dans l'espace intermédiaire, et/ou dans lequel la boîte de réception (30) présente au moins une tubulure d'aspiration (38),
  5. Dispositif selon l'une quelconque des revendications précédentes, dans lequel la boîte de réception (30) est montée de manière échangeable sur un dispositif de support (20).
  6. Dispositif (1) selon l'une quelconque des revendications précédentes, dans lequel une plaque de fond (50) séparée est insérée à une extrémité inférieure (33) de chaque boîte de réception (30), et dans lequel, en particulier, au moins une ouverture d'aspiration (34) est prévue sur la plaque de fond (50).
  7. Dispositif selon la revendication précédente, dans lequel les plaques de fond (50) des boîtes de réception (30) reposent sur une plate-forme de base (55).
  8. Dispositif (1) selon l'une quelconque des revendications précédentes, dans lequel le dispositif de support (20) comprend deux bras de maintien (21, 22) et au moins un canal d'aspiration (23).
  9. Dispositif (1) selon l'une quelconque des revendications précédentes, dans lequel au moins deux parois intérieures situées en regard l'une de l'autre de la boîte de réception (30) divergent de manière conique vers le haut.
  10. Dispositif selon l'une quelconque des revendications précédentes, dans lequel une pluralité de postes de remplissage (11-18) est prévue, et sur chaque poste de remplissage (11-18) est prévue une unité de réception de sac (10).
  11. Dispositif selon la revendication précédente, dans lequel les dispositifs de support (20) sont disposés en étoile sur un carrousel de remplissage (2), et dans lequel un canal de ventilation (9) est prévu auquel les unités de réception de sac (10) peuvent être raccordées.
  12. Dispositif selon l'une quelconque des revendications précédentes, dans lequel un poste de transfert (60) ayant un bras pivotant (61) pour transférer des sacs ouverts vides (3) est prévu, sur ledit bras pivotant (61) étant disposée une boîte de réception (62) dans un plan immédiatement au-dessus du bord supérieur de la boite de réception (30) sur le poste de remplissage, afin de recevoir, dans une position de pivotement (63), un sac ouvert (3) à remplir en provenance d'une source de sacs (70) et de transférer, dans une autre position de pivotement (64), ledit sac (3) à l'unité de réception de sac (10) sur le poste de remplissage.
  13. Procédé destiné à mettre des produits en vrac dans des sacs ouverts (3) vides, comprenant au moins une unité de pesage, au moins un poste de remplissage (11-18) et une unité de réception de sac (10) disposée sur ledit poste de remplissage (11-18), dans lequel le sac (3) reçu sur ladite unité de réception de sac (10) est rempli au moins en partie, caractérisé par le fait que, sur ladite unité de réception de sac (10) réalisée en tant que boite de réception (30), un sac (3) vide à recevoir est reçu à engagement positif, au moins par sections, temporairement à l'intérieur de la boîte de réception (30), et que, sur la boîte de réception, il est aspiré de manière différente dans une zone inférieure et dans au moins une zone située là-dessus.
  14. Procédé selon la revendication précédente, dans lequel de l'air est aspiré hors de la boîte de réception (30) par des ouvertures d'aspiration (34) prévues dans les parois intérieures (35), de sorte que la paroi d'un sac vide (3) à remplir s'applique à engagement positif intérieurement contre la boîte de réception (30).
  15. Procédé selon l'une des deux revendications précédentes, dans lequel, lorsqu'un sac ouvert (3) vide est reçu, des ouvertures d'aspiration (34) dans une zone inférieure (31a) de la boîte de réception (30) sont plus fortement aspirées que dans une zone (31b, 31c) située là-dessus, ou dans lequel, lorsqu'un sac ouvert (3) vide est reçu, des ouvertures d'aspiration (34) sont aspirées d'abord dans une zone centrale ou supérieure et ensuite dans une zone inférieure (31a) de la boîte de réception (30).
EP15781302.3A 2014-09-24 2015-09-24 Dispositif et procédé de remplissage de sacs ouverts Active EP3197783B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014113859.7A DE102014113859A1 (de) 2014-09-24 2014-09-24 Vorrichtung und Verfahren zum Füllen von Offensäcken
PCT/EP2015/071942 WO2016046302A1 (fr) 2014-09-24 2015-09-24 Dispositif et procédé de remplissage de sacs ouverts

Publications (2)

Publication Number Publication Date
EP3197783A1 EP3197783A1 (fr) 2017-08-02
EP3197783B1 true EP3197783B1 (fr) 2018-09-19

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ID=54329498

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EP15781302.3A Active EP3197783B1 (fr) 2014-09-24 2015-09-24 Dispositif et procédé de remplissage de sacs ouverts

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Country Link
US (1) US10625890B2 (fr)
EP (1) EP3197783B1 (fr)
CN (1) CN106715271B (fr)
BR (1) BR112017005710B1 (fr)
CA (1) CA2960546C (fr)
DE (1) DE102014113859A1 (fr)
ES (1) ES2702945T3 (fr)
WO (1) WO2016046302A1 (fr)

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Publication number Publication date
US10625890B2 (en) 2020-04-21
CN106715271B (zh) 2019-05-03
BR112017005710A2 (pt) 2018-01-23
DE102014113859A1 (de) 2016-03-24
WO2016046302A1 (fr) 2016-03-31
BR112017005710B1 (pt) 2020-12-29
CA2960546A1 (fr) 2016-03-31
EP3197783A1 (fr) 2017-08-02
US20170275032A1 (en) 2017-09-28
CN106715271A (zh) 2017-05-24
CA2960546C (fr) 2021-08-24
ES2702945T3 (es) 2019-03-06

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