EP3621752B1 - Machine de remplissage pour remplir des sacs ouverts avec des materiaux en vrac - Google Patents

Machine de remplissage pour remplir des sacs ouverts avec des materiaux en vrac Download PDF

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Publication number
EP3621752B1
EP3621752B1 EP18727687.8A EP18727687A EP3621752B1 EP 3621752 B1 EP3621752 B1 EP 3621752B1 EP 18727687 A EP18727687 A EP 18727687A EP 3621752 B1 EP3621752 B1 EP 3621752B1
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EP
European Patent Office
Prior art keywords
container
filling machine
fluid
layer
laminate
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
EP18727687.8A
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German (de)
English (en)
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EP3621752A1 (fr
Inventor
Volker SCHÜTTE
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
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Haver and Boecker OHG
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Publication date
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Publication of EP3621752A1 publication Critical patent/EP3621752A1/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
    • B65B1/20—Reducing volume of filled material
    • B65B1/26—Reducing volume of filled material by pneumatic means, e.g. suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
    • 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
    • B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B1/06—Methods of, or means for, filling the material into the containers or receptacles by gravity flow
    • 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
    • B65B1/24—Reducing volume of filled material by mechanical compression
    • 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
    • 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
    • B65B43/44—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 from supply 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
    • B65B43/46—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
    • 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
    • B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
    • B65B55/24—Cleaning of, or removing dust from, containers, wrappers, or packaging ; Preventing of fouling

Definitions

  • the present invention relates to a filling machine for filling open sacks with bulk goods comprising a cleaning device and a cleaning device for cleaning a tubular inner wall of a container, for. B. of particles from bulk material or other impurities.
  • the EP 1 403 187 A1 discloses a packaging machine for the production, filling and separation of packaging from a continuously conveyed packaging material web guided through processing stations of the machine, a cleaning device being assigned to the side, which is formed from a cleaning lance mounted on a carrier and controllably movable in several degrees of freedom A cleaning head which can be charged with cleaning agent under pressure through the lance is arranged at the free end.
  • the filling weight of a filled open sack being between approximately 1 kg and 10 kg.
  • the bags can be produced directly in a device upstream of the device as part of the filling process. For this purpose, for example, a flat film is passed over a forming shoulder and the flat film is welded there to form a film tube.
  • the open bag to be filled is received in a receiving box and filled there.
  • box-shaped open-top bags can be filled which are compacted during the process. At the end of the process, rectangular open bags can be packed. The known device works satisfactorily.
  • the open sacks are introduced into a receiving box, filled there, optionally compressed and then removed.
  • Bulk material particles can adhere to the inner wall of the container during introduction, subsequent compression and removal, or dust can have a scratching effect on the surface of the open-top bag. It can happen that a printed surface of the sack becomes scratched or unsightly.
  • a filling machine is used to fill open sacks with bulk material, the open sack being held at least temporarily in a container.
  • the cleaning device comprises a cleaning device which can be moved in the container along a longitudinal direction (the inner wall).
  • the cleaning device comprises a layer composite made up of a plurality of (at least 2) layers or plates.
  • the layer composite comprises two end layers, each with one End face.
  • An end layer is designed as a top layer with a top surface and an end layer is designed as a bottom layer with a bottom surface.
  • a plurality of outwardly directed fluid outlet openings are formed on the layer composite in order to direct a fluid flow onto the tubular inner wall of the container.
  • the filling machine according to the invention has many advantages.
  • a considerable advantage of the filling machine according to the invention is that after the filling, any particles adhering to the container can be cleaned off through the fluid outlet openings in the layer composite.
  • the fluid outlet openings can be aligned in the desired direction and in the desired number on the tubular inner wall of the container. This makes it possible to adjust the strength and intensity and alignment of the fluid flow to the tubular inner wall of the container depending on the desired conditions, in order to clean off disturbing adhering particles which could scratch, damage or stain the surface of an open bag during a subsequent filling. In the consumer goods sector in particular, it is very desirable to provide visually flawless and clean containers.
  • At least one layer is designed as a (separate) plate.
  • the layer composite can be a composite of several (separate) layers and / or plates.
  • the layer composite can be designed as a plate composite.
  • At least one end layer can be designed as an end plate which provides a cover layer or end surface.
  • the plates and / or layers preferably extend transversely to the longitudinal direction.
  • the layers can also extend in the longitudinal direction or at an angle to the longitudinal direction.
  • the composite panel comprises two end layers, each with an end face, with one end layer as a cover layer is formed with a top surface and an end layer as a bottom layer with a bottom surface.
  • the cleaning device as a whole or at least the cleaning device can be moved vertically in order to clean the tubular inner wall of the container.
  • air is used as the fluid.
  • the fluid outlet openings are outlet openings for air and can also be referred to as blow openings.
  • a plurality of blow openings is provided or formed over the circumference of at least one layer or plate of the layer or plate composite.
  • the fluid flow is suitable for cleaning an inner wall of a tubular container.
  • the tubular container can be designed as a receiving box.
  • particles of bulk material can be blown off the inner wall of the pipe with the fluid flow.
  • a significant advantage is that any pipe cross-section can be cleaned effectively. It is advantageous to have a large number of fluid outlet openings with a small cross section, which enable a high fluid outlet speed with low fluid consumption (air consumption) and a good cleaning effect right into the corners.
  • the layer composite is preferably movable along a longitudinal direction, which can also be referred to as the axial direction, of the tubular inner wall.
  • the fluid outlet openings are oriented transversely thereto and can be oriented radially, for example. However, it is also possible that the alignment of the fluid outlet openings also has an axial component.
  • At least one fluid supply is connected to an end layer and in particular to the base layer or base plate.
  • a fluid supply opening on the (axial) end face educated.
  • a fluid line such as a hose or the like is preferably connected to the fluid supply opening.
  • fluid outlet openings are formed on a circumferential surface and / or at least one end surface of the layer composite and / or plate composite. Air outlet openings are particularly preferably arranged or formed distributed over the circumference of the layer composite.
  • the layer composite particularly preferably comprises at least one fluid guide layer (in particular an air guide layer or air guide plate) in which a plurality of (air) guide channels is formed, which are coupled to fluid outlet openings.
  • the fluid conducting layer is designed in particular as a fluid conducting plate.
  • the guide channels are formed on or in the fluid guide layer separated from one another by material webs.
  • a guide channel and in particular all guide channels extend in particular from a radially inner region to the outside to the outer edge of the fluid guide layer.
  • at least two guide channels each extend from a guide channel start located radially further inward to a respective fluid outlet opening.
  • two guide channels do not intersect.
  • the guide channels are (approximately) formed in a star shape. It is also possible for the guide channels to be designed in a spiral shape in the fluid guide layer (so that they in particular do not intersect).
  • two guide channels each extend from a guide channel start located radially further inward to a respective fluid outlet opening.
  • the guide channels can be milled and in particular by punching, lasering, etching or z. B. be introduced by water jet cutting.
  • the composite layer comprises a spacer layer or spacer plate adjacent to the Fluid conducting layer.
  • the spacer layer is accommodated between a cover layer and the fluid conducting layer.
  • a distribution trough in the form of a distribution space is formed in the layer composite. At least two guide channel beginnings (and in particular all guide channel beginnings) are connected to one another via the distribution trough. In particular, the distribution trough is formed in a central region of the layer composite. The distribution trough makes it possible to supply several guide channels with fluid at the same time by applying fluid to the distribution trough.
  • the distribution trough is formed by a through opening in the spacer layer plate.
  • the distribution trough in the spacer layer then causes simultaneous loading of the guide channel beginnings of different guide channels.
  • the distribution trough is therefore connected to the fluid supply.
  • the fluid conducting layer can have a central through opening. Fluid can be supplied to the distribution trough, for example, through the central passage opening.
  • a drive is provided in order to move the layer composite along a longitudinal direction of the tubular inner wall of the container.
  • the drive is designed in particular as an electric drive.
  • a pneumatic or hydraulic or other drive is used.
  • At least one, in particular, separate supply bushing can be formed on the layer composite.
  • a fluid line or a vacuum line or a power line or the like can be passed through the layer composite through the supply feedthrough.
  • a separate supply lead-through in this sense is the lead-through of at least one supply line through the layer composite independently of the Guide channels and the fluid outlet openings. This means that the passage of fluid through the supply passage has no effect whatsoever on the exit of fluid from the fluid outlet openings. Unless the supply feed-through is again used to supply the fluid.
  • the fluid outlet openings are preferably arranged close to the tubular inner wall. Supply lines then no longer fit between the inner wall of the pipe and the cleaning device.
  • Brushes are preferably attached to an outer side of the layer composite, in particular in order to clean the tubular inner wall (at least in sections). Brushes can be provided over the entire circumference of the layer composite or plate composite. It is also possible that brushes are only attached in certain areas or sections in which additional mechanical cleaning is advantageous.
  • At least one centering hole, in which a centering pin is received is formed on at least one layer of the layer composite. It is possible and preferred for two centering holes to be formed into each of which a centering pin is inserted in order to ensure a defined assembly of the layer composite.
  • At least one plate of the layer composite consists at least essentially and in particular almost completely or completely of metal and in particular steel.
  • a cross section of the layer composite is adapted to an inner cross section of the container.
  • the cross-section can, for example, be round, rounded, oval, rectangular or star-shaped or with undercuts or undercuts or in some other way.
  • the transverse dimensions of the Layer composite and / or the plate composite adapted to the inner dimensions of the container in such a way that there is a defined (minimum and maximum) distance to the inner walls of the container.
  • a sealant or a sealing layer can be introduced between individual or all layers of the layer composite.
  • sealants can be used. Sealants can also be applied or sprayed on. Depending on the nature of the surface, sealants can also be dispensed with.
  • the present invention relates to a compression station with at least one compression device for compressing open sacks filled with bulk goods.
  • the invention is used in particular in connection with a filling machine or device, as described in US Pat WO 2016/046302 A1 have become known.
  • bags are filled, for example, with bulk materials such as cement, high-quality joint mortar or other building materials. Block-shaped bags with a high degree of compression are produced.
  • the open sacks filled with bulk goods are picked up by many people or if the open sacks are pressed too hard (or fingered extensively with the hands), the sacks can soften and lose their exact cuboid shape.
  • the filling machine comprises at least one compression station with at least one compression device for compressing the open sacks filled with bulk goods.
  • the compression device comprises a container with a tubular inner wall and a receiving space for receiving a filled open bag.
  • a Support unit provided on a height-adjustable lifting device.
  • the support unit is adjustable in height relative to the container in particular by means of the height-adjustable lifting device. In a lowered position of the lifting device, the support unit is supported from below and, in a raised position, is suitable for taking over a filled open bag from an adjacent conveyor device.
  • a press ram that can be lowered from above is included, which acts on the bulk material from above in a lowered position and which, in a raised position, enables a filled open bag to be taken over from an adjacent conveyor device.
  • Such a compaction station has many advantages.
  • a considerable advantage of a filling machine with such a compression station is that a filled open bag is compressed within a container. As a result, the shape of the container is impressed on the open bag. For example, cuboid-shaped, filled open bags with a high degree of compression can be produced.
  • the support unit in a lowered position of the lifting device, is supported or set down on support hooks of the container and supported by them from below.
  • Other support from below is also possible.
  • the container can preferably be raised and lowered periodically by one container stroke via a compression gear. By periodically raising and lowering the container relative to the ram, a pounding or shaking compression of the bulk material filled into the open bag is ensured.
  • the container stroke is preferably less than a fifth and in particular less than a tenth of the length of the container. In particularly preferred embodiments, the container stroke is less than 50 mm and in particular less than 20 mm and preferably less than 10 mm. In a specific embodiment, a stroke of 6 mm is used. Depending on the container size and in particular the height of the container and the desired degree of compression and the compressibility of the bulk material, the stroke can be selected.
  • the ram is preferably driven by a pneumatic drive.
  • the pneumatic drive can comprise at least one pneumatic cylinder.
  • the compression gear is preferably driven by an electric motor.
  • the combination of a pneumatic drive and another, for example electric, drive has the advantage that the pneumatic drive can compensate for pressure surges, so that overloading is reliably prevented.
  • press ram is automatically adjusted with increasing compression (due to the pneumatics). Even with increasing compression, it is ensured that the acting force remains (practically) the same. Alternatively, it is also possible for the ram to stand still and the container to be raised and pneumatically adjusted.
  • a dedusting device is attached to the container. It is possible, for example, for the upper container opening to be at least partially surrounded by a dedusting opening.
  • dedusting gaps can be provided on one side of the container or on several sides of the container, which suction the upper area of the container and thus reliably remove a large part of any dust that may emerge.
  • an upper section of the container is conical or funnel-shaped or the like, so that it is easier to insert an open bag into the container.
  • the compression device is a slide, swivel arm or the like is assigned or the compression device has a slide with which the filled open bag can be pushed onto the support unit and / or back again laterally, for example from the conveyor device.
  • an open bag to be compressed can be removed from the conveyor device and compressed in the compression station, while the conveyor device itself continues to run and, for example, transports a second filled open bag to a second compression device of the compression station.
  • the processing speed can be increased by the parallel and simultaneous compression of several filled open-mouth bags with a long dwell time in the compression station.
  • the slide includes suction cups in order to keep the upper bag wall open.
  • the slide preferably comprises suction cups at different heights in order to be able to keep the upper bag wall open in a targeted manner in each case of open bags of different heights.
  • the support unit In all of the configurations it is possible for the support unit to be able to be raised using a short lifting device. This enables the support unit to be positioned slightly higher than the level of the conveyor when transferring a compressed open sack from the support unit to the conveyor, so that the already compressed open sack can be pushed off easily onto the conveyor. Conversely, the support unit can be placed somewhat below the level of the conveyor device when an open bag to be compressed is transferred from the conveyor device to the support unit with the pusher.
  • the short stroke device can perform a stroke of 5 mm or 10 mm or 20 mm or an intermediate value.
  • the press ram is equipped with a suction device.
  • the compression station comprises at least 2 compression devices or 3 compression devices or more compression devices for compressing open sacks filled with bulk goods.
  • the compression devices are preferably arranged one behind the other and connected to one another via a conveyor device. This makes it possible to compress a filled open bag several times. In particular, however, it is also possible to compress a filled open bag at several compression devices at the same time, so that the processing speed increases accordingly.
  • a method is carried out at the compression station which is used to compress bulk material in an open bag filled with bulk material.
  • a filled open bag is placed on a support unit.
  • the support unit with the filled open bag placed on it is lowered into a tubular receiving space of a container to such an extent that the product level is in the tubular receiving space of the container.
  • the support unit of the container then stands on support hooks or is supported from below.
  • a press ram dips into the open end of the open bag from above, at the same time or preferably beforehand, and acts on the bulk material from above, while the support unit (supported by the support hooks) presses against the bottom of the sack from below.
  • the lifting device moves downwards and separates from the support unit when the support unit strikes the support hook.
  • the method allows an advantageous compression of bulk goods in open bags, with a parallelization to the Increased performance of the entire system or a higher degree of compression of the entire system is made possible for a given overall performance.
  • a cleaning device is used to clean a tubular inner wall of a container, which is used for receiving an open bag, in particular with a positive fit and / or with a precise fit.
  • the inner wall of the container can, for. B. be cleaned of particles of bulk material that adhere to the outer wall of the open bag during the filling or transport of the open bag or that are deposited on the tubular inner wall of the container.
  • the cleaning device comprises a layer composite composed of a plurality of layers, the layers extending in the longitudinal direction or transversely or obliquely to the longitudinal direction.
  • the layer composite comprises two end surfaces, a top surface and a bottom surface being included.
  • a plurality of outwardly directed fluid outlet openings are formed on the layer composite in order to direct a fluid flow onto the tubular inner wall of the container.
  • the layers extend in the longitudinal direction and / or transversely to the longitudinal direction.
  • the cleaning device comprises at least one feature, as was described above with reference to the filling machine.
  • Figure 1 shows the basic structure of a filling machine 1. It shows Figure 1 a perspective overall view of the filling machine 1 for filling bulk goods (and possibly fluids) into flexible and open-top bags 3.
  • the bags 3 to be processed consist of a flexible material and in particular of a plastic material.
  • the filling machine 1 comprises a filling carousel 2, a sack source 70 and an intermediate silo 80 for intermediate buffering of the bulk material to be filled.
  • a film roll 71, onto which a film web 72 is wound, is provided here as the sack source 70.
  • the film web 72 unwound from the film roll 71 is fed to a forming shoulder 73.
  • the film web 72 made of plastic film is guided around the shoulder and a longitudinal seam is welded so that a continuous film tube is created.
  • the bottom of the bag is produced at the transfer station 60, in which suitable weld seams are introduced transversely to the longitudinal extension 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.
  • There the open sack 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 sack is produced.
  • the open-topped sacks from an already prefabricated and, for example, extruded film tube, or also to supply completely prefabricated flexible sacks or bags from a magazine or the like.
  • the device or filling machine 1 has a base frame to which the filling carousel 2 and the other components are attached. Part 5 of the device is designed to be stationary, while part 6 rotates during operation. Various treatment stations are provided at the individual filling stations, with the filling taking place in the coarse flow at one treatment station and the filling in the fine flow at a further treatment station 41. The filled bulk material is compacted at further treatment stations.
  • the filling carousel 2 is operated clocked here.
  • the required bulk material is fed from the intermediate silo 80.
  • a compression station 100 can be connected downstream, as shown in FIG Figure 2 is shown.
  • the compaction station 100 off Figure 2 here comprises five different compression devices 101, which are here arranged in series.
  • Each compression device 101 comprises a pressing device 123, each of which has a pneumatic drive 124 in the form of a pneumatic cylinder.
  • a ram 120 can be raised or lowered by means of a lifting and lowering unit 126. In the lowered position, pressure is then exerted on the bulk material via the pneumatic cylinder 124.
  • the filled open sacks 3 are conveyed via the conveying device 106, which is preferably designed as a conveyor belt. If compression is to take place on one of the compression devices 101, the damming flap 108 is retracted or swiveled in in order to position the open bag in a defined manner in the conveying direction and the corresponding slide 105 is activated at the appropriate moment. Thus, an open bag 3 to be compressed is withdrawn from the conveying device 106 and introduced into a container 110. Dedusting lines 130 are provided to remove dust during compression. With the lifting device 102 an in Figure 2 non-visible support unit 231 can be adjusted in height.
  • Figure 3 shows a schematic cross section through the compression station according to FIG Figure 2 .
  • the pressing device 123 with the pneumatic cylinder 124 can be seen, to which a linkage and then the press ram 120 coupled to it are connected at the bottom.
  • the actual pressing surface of the press ram 120 can be equipped with a suction device 125 in order to effect an effective ventilation.
  • the suction device 125 can effectively suck air out of the bulk material.
  • the pusher 105 is here in the position above the container 110, which the pusher has reached after an open bag 3 to be compressed has been transferred from the conveying device 106 to a support unit 231.
  • the open bag 3 is shown here with dashed lines, as is a press ram 120 which is immersed in the open bag and which is shown in broken lines in the lowered position 121.
  • the open bag 3 rests on the support unit 231, which is detachably coupled to the layer composite 203 via magnets 232.
  • the support unit 231 rests on hooks 116 at the lower end of the container 110.
  • the support unit 231 is decoupled from the lifting device 102, since forces in the vertical direction are diverted from above onto the bulk material or the open bag directly via the hooks 116 and the container 110.
  • the magnetic connection between the support unit 231 and the layer composite 203 prevents the support unit 231 from tilting in the tubular inner wall 111 when it is lowered.
  • individual fluid outlet openings such. B. to exit at an oblique angle in the upper cover plate or end plate in order to clean them from particles deposited thereon.
  • the layer composite can consist of individual (and prior to assembly or production) separate panels that form a one-piece or multi-part panel composite. It is also possible and preferred, however, that at least part of the layer composite or the entire layer composite is designed as a whole in one piece and z. B. is produced in an additive manufacturing process and / or as a 3D printing. The entire layer composite can then also be manufactured in one manufacturing step. It can guide channels or fluid passages z. B. be made by omitting material.
  • the container 110 has a tubular receiving space with a tubular inner wall 111.
  • the cross-section here is rectangular, so that cuboid open bags are created.
  • the upper section 115 of the container 110 is slightly conical in order to facilitate the introduction of an open bag to be compressed.
  • FIG. 4 a part of the compression device 101 is shown in perspective.
  • the layer composite 203 with the magnets 232 can be seen on the inside, on which the support unit 231 (not shown here) rests during operation.
  • a sack to be compressed is placed on the support unit 231 or on a sliding plate (not shown) arranged thereon.
  • the open bag to be compressed is lowered together with the support unit 231, so that the compression device is removed from the in Figure 4 raised position 104 shown in FIG Figure 5 depicted lowered position 103 is transferred.
  • the support unit 231 can be seen, which now rests on the hook 116 of the container 110. This causes the lifting device 102 to be decoupled from the support unit 231.
  • the height of the lifting unit 102 is adjusted via the linear guide 233, which comprises a motor.
  • the in Figure 4 The recognizable motor 235 serves to drive the compression gear 113, with which a periodic pitching movement of the entire container 110 takes place.
  • the dedusting unit 130 is decoupled from the container 110. This can be done, for example, in that the dedusting 130 is received in an elongated hole 131 on the container 110, so that a sufficient vertical offset is made possible.
  • the elongated hole is sealed with a rubber flap.
  • the in Figures 4 and 5 The recognizable motor 234 serves to drive the conveyor belt 106.
  • Figure 6 shows part of the compression station 100 or the cleaning device 200, with which the inner wall 111 of the container 110 can be effectively cleaned when a compressed open bag 3 is removed from a container 110.
  • the cleaning device 202 with the layer composite 203 is used.
  • the layer composite 203 comprises a plurality of layers 204 to 208, the structure and function of which are described below with reference to FIG Figures 7 and 8th is explained.
  • Figure 7 shows a plan view of the fluid conducting layer, in particular in the form of a fluid conducting plate 205
  • Figure 8 shows a schematic exploded view of the layer composite or plate composite 203.
  • the cleaning device 200 can be raised and lowered via the lifting device 102.
  • the layer composite 203 here comprises, as the lowermost plate, an end plate 204 in the form of a base layer or base plate.
  • the fluid supply 212 is connected to the base plate 204 via a fluid supply opening 213.
  • the layer composite 203 is held together in the assembled state by means of centering pins 229 and / or screws.
  • brushes can be attached to or formed on one or more of the plates or layers 204-208, which assist in cleaning the inner wall.
  • the fluid guide plate 205 On which a plurality of fluid outlet openings 210, 211 are formed distributed over the circumference.
  • the fluid outlet openings 210, 211 form the ends of the guide channels 215, 216, which each extend from a radially inner region 219 to the outer side 220 or the outer edge on the circumferential surface 217.
  • the guide channels 215, 216 are here as recesses or through openings in the Fluid guide plate 205 formed.
  • the respective guide channels 215, 216 are separated from one another by material webs 222.
  • all guide channels 215, 216 run essentially in a star shape, so that there are fluid outlet openings distributed over the entire circumference, which in this case serve in particular as blow openings for blowing out air as a cleaning medium.
  • there is a central through opening 225 which has no direct connection to the guide channels of the fluid guide plate 205.
  • a spacer plate 206 which has a distribution trough 223 (distribution space), which is designed here as a through opening in the spacer plate 26.
  • the fluid to be distributed here air
  • the fluid to be distributed is distributed to all guide channels 215, 216 via the distribution trough 223, so that air is blown to the outside from all guide channels 215, 216 via the air supply through the central fluid supply opening 213.
  • the intensity of the blown air can be adjusted via the cross-sectional area of the individual guide channels.
  • a cover plate 207 is also provided above the spacer plate 206, to which the end plate 208 finally adjoins.
  • the cleaning device 200 can optionally also comprise only one plate assembly or layer assembly of, for example, three plates or layers, the middle layer or plate then e.g. B. is designed as a fluid guide plate.
  • the guide channels in the fluid guide plate it is possible for the guide channels in the fluid guide plate to be designed as through openings. But it is possible also that the guide channels are, for example, milled into the surface of the fluid guide plate.
  • a magnet 232 (or more) can be provided there or additional actuators can be attached, such as, for. B. a short stroke device 140, which is controlled by means of supply bushings 226.
  • a cleaning device 200 can also be used in a corresponding manner for cleaning the receiving boxes 30 or 62 of the filling machine 1.
  • the receiving boxes 30 and / or 62 can thus be cleaned automatically after each bag change.
  • the compression station With the compression station, the compression of the bulk material filled into an open sack can be increased considerably. It is possible to provide a compression station in which several compression devices are arranged one behind the other, so that parallel operation and parallel compression of a large number of filled open bags is possible.
  • an open bag to be compressed can be pushed from a conveyor device such as a flat belt conveyor to the compression device via a slide or the like.
  • the actual compression takes place in the container with the tubular inner wall, with a ram being lowered from above and dipping into the open-top bag, while the bottom of the open-top bag is supported on hooks of the container via a support unit.
  • the area around the container can be extracted by means of a dust removal system.
  • the container can perform a periodic lifting and lowering movement, which considerably supports the compression process. At the same time, air can be sucked out through the ram.
  • the contact surface of the press ram can be formed, for example, by a wire mesh or wire mesh, through which suction can take place.
  • the layer composite 203 of the cleaning device 202 is used for this, with a plurality of fluid outlet openings 210, 211 being formed on the circumferential surface 217 of the plate composite 203, through which a fluid flow can be directed onto the inner wall of the container.
  • the airways can be controlled in a simple manner by a corresponding design of the fluid guide plate, with the intensity being able to be adjusted accordingly by adapting the cross section or by adjusting the number of outlet openings 210, 211 per circumferential length.
  • the orientation of the air outlet 210, 211 defines the direction of flow of the fluid and thus the direction of the fluid flow 209.
  • a supply feedthrough 226 can be formed on the layer assembly in order to enable, for example, a compressed air or vacuum connection or a compressed air or vacuum feed-through.
  • the construction of the compression station 100 and the construction of the cleaning device 200 can each be implemented simply and inexpensively.
  • Figure 9 shows a detail of a lifting device 102, a short lifting device 140 being attached to the layer composite 203, which can here adjust the height of the plate 208 by +/- 5 mm. As a result, the support unit 231 is also adjusted accordingly.
  • the Short stroke device 140 could also be integrated into linear guide 233.
  • the layer composite 203 here comprises the layers 204, 205 and 207.
  • the layers 204 and 207 accommodate the fluid guide plate 205 between them, on which the fluid outlet openings 210, 211 are formed.
  • the fluid outlet openings are z. B. been cut out of the plate 205 by water jet cutting.
  • the short lifting device 140 is attached to the plate 207 and can adjust the height of the plate 208 once again (slightly) in order to facilitate the transfer of an open bag from the conveying device or onto the conveying device 106.
  • the open bag stands on the support unit 231, which is magnetically and thus releasably attached to the plate 208.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Basic Packing Technique (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Claims (15)

  1. Machine d'ensachage (1) pour remplir des sacs ouverts (3) de matériau en vrac, ledit sac ouvert étant logé au moins temporairement dans un contenant (110) et un dispositif de nettoyage (200) destiné au nettoyage d'une paroi intérieure tubulaire (111) dudit contenant (110), par exemple de particules de matériau en vrac, étant compris pour nettoyer la paroi intérieure tubulaire (111) après ou pendant le retirement et/ou avant ou pendant l'introduction d'un sac ouvert,
    caractérisée en ce
    que ledit dispositif de nettoyage présente un moyen de nettoyage (202) mobile dans le contenant (110) le long d'un sens longitudinal (201), et que le moyen de nettoyage (202) comprend un composite stratifié (203) constitué d'une pluralité de couches (204-208),
    et ledit composite stratifié (203) comprenant deux faces d'extrémité (214, 218), une face d'extrémité étant réalisée en face plafond (218) et une face d'extrémité en tant que face de fond (214),
    et une pluralité d'orifices d'écoulement de fluide (210, 211) orientés vers l'extérieur étant réalisée sur ledit composite stratifié (203) pour arranger un flux de fluide (209) sur la paroi intérieure tubulaire (111) du contenant (110).
  2. Machine d'ensachage (1) selon la revendication 1, au moins une alimentation en fluide (212) étant raccordée à une couche d'extrémité (204).
  3. Machine d'ensachage (1) selon l'une quelconque des revendications précédentes, les couches (204-208) s'étendant à la transversale du sens longitudinal (201) et le composite stratifié (203) comprenant deux couches d'extrémité (204, 208) dotées chacune d'une face d'extrémité (214, 218), une couche d'extrémité (208) étant réalisée en tant que couche de parement dotée d'une face plafond (218) et une couche d'extrémité (204) en tant que couche de fond dotée d'une face de fond (214).
  4. Machine d'ensachage (1) selon l'une quelconque des revendications précédentes, le moyen de nettoyage (202) pouvant être déplacé dans le sens longitudinal pour nettoyer la paroi intérieure tubulaire (111) du contenant (110) et/ou pour relever le sac ouvert.
  5. Machine d'ensachage (1) selon l'une quelconque des revendications précédentes, les orifices d'écoulement de fluide (210, 211) étant réalisés sur une face de circonférence (217) et/ou au moins une face d'extrémité (214, 218) du composite stratifié (203).
  6. Machine d'ensachage (1) selon l'une quelconque des revendications précédentes, le composite stratifié (203) comprenant au moins une couche-repère de fluide (205) dans laquelle est réalisée une pluralité de canaux-repères (215, 216) qui sont reliés à des orifices d'écoulement de fluide (210, 211), et notamment lesdits canaux-repères (215, 216) étant séparés les uns des autres par des cloisons de matériau (222) de la couche-repère de fluide (205) et s'étendant d'une zone interne radiale (219) jusqu'à l'extérieur, au bord extérieur (219) de la couche-repère de fluide (205), et de préférence au moins deux canaux-repères (215, 216) s'étendant respectivement d'un début de canal-repère (215a, 216a) radial situé plus à l'intérieur, à un orifice d'écoulement de fluide (210, 211) respectif.
  7. Machine d'ensachage (1) selon l'une quelconque des revendications précédentes, le composite stratifié (203) comprenant une plaquette d'espacement (206) à proximité de la couche-repère de fluide (205).
  8. Machine d'ensachage (1) selon l'une quelconque des revendications précédentes, une trémie de distribution (223) qui relie lesdits au moins deux débuts de canaux-repères (215a, 216a) l'un à l'autre étant réalisée dans le composite stratifié (203), et/ou la trémie de distribution (223) étant constituée par un orifice de passage (224) dans la couche d'espacement (206) et/ou ladite trémie de distribution (223) étant reliée à l'alimentation en fluide (212).
  9. Machine d'ensachage (1) selon au moins l'une quelconque des revendications précédentes, la plaquette-repère de fluide (205) présentant un orifice de passage central (225).
  10. Machine d'ensachage (1) selon l'une quelconque des revendications précédentes, un entraînement (230) étant prévu pour déplacer le composite stratifié (203) le long d'un sens longitudinal de la paroi intérieure tubulaire (201) du contenant (110).
  11. Machine d'ensachage (1) selon l'une quelconque des revendications précédentes, au moins un passage d'alimentation (226) étant réalisée sur le composite stratifié (203).
  12. Machine d'ensachage (1) selon l'une quelconque des revendications précédentes, des brosses (227) étant fixées sur un côté extérieur (220) du composite de plaquettes (203) pour nettoyer (au moins partiellement) la paroi intérieure tubulaire (201) et/ou au moins un trou de centrage (228), dans lequel est logée une tige de centrage (229), étant réalisé sur au moins une plaquette (204-208) du composite de plaquettes (203).
  13. Machine d'ensachage (1) selon l'une quelconque des revendications précédentes, au moins une plaquette (204-208) du composite de plaquettes (203) étant constituée au moins sensiblement de métal et notamment d'acier et/ou une section droite du composite de plaquettes (203) étant adaptée à une section droite intérieure du contenant (110), ladite section droite étant réalisée par exemple ronde, arrondie, ovale, rectangulaire, en contre-dépouille ou étoilée.
  14. Machine d'ensachage (1) selon l'une quelconque des revendications précédentes, le composite stratifié comprenant au moins une plaquette et ledit composite stratifié étant notamment réalisé en tant que composite de plaquettes et comprenant plusieurs plaquettes.
  15. Dispositif de nettoyage (200) pour nettoyer une paroi intérieure tubulaire (111) du contenant (110), par exemple de particules de matériau en vrac, comprenant un moyen de nettoyage (202) mobile dans le contenant (110) le long d'un sens longitudinal (201),
    caractérisé en ce
    que le moyen de nettoyage (202) comprend un composite stratifié (203) constitué d'une pluralité de couches (204-208),
    et ledit composite stratifié (203) comprenant deux faces d'extrémité (214, 218), une face d'extrémité étant réalisée en tant que face plafond (218) et une face d'extrémité en tant que face de fond (214),
    et une pluralité d'orifices d'écoulement de fluide (210, 211) orientés vers l'extérieur étant réalisée sur le composite stratifié (203) pour arranger un flux de fluide (209) sur la paroi intérieure tubulaire (111) du contenant (110).
EP18727687.8A 2017-05-08 2018-05-08 Machine de remplissage pour remplir des sacs ouverts avec des materiaux en vrac Active EP3621752B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017109873.9A DE102017109873A1 (de) 2017-05-08 2017-05-08 Reinigungsvorrichtung zum Reinigen einer rohrförmigen Innenwand eines Behälters von Schüttgutpartikeln
PCT/EP2018/061921 WO2018206602A1 (fr) 2017-05-08 2018-05-08 Remplisseuse conçue pour remplir des sacs ouverts de produits en vrac et dispositif de nettoyage

Publications (2)

Publication Number Publication Date
EP3621752A1 EP3621752A1 (fr) 2020-03-18
EP3621752B1 true EP3621752B1 (fr) 2021-03-24

Family

ID=62386378

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Application Number Title Priority Date Filing Date
EP18727688.6A Active EP3621881B1 (fr) 2017-05-08 2018-05-08 Station de compactage permettant de compacter des produits en vrac dans des sacs ouverts et procédé
EP18727687.8A Active EP3621752B1 (fr) 2017-05-08 2018-05-08 Machine de remplissage pour remplir des sacs ouverts avec des materiaux en vrac

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EP18727688.6A Active EP3621881B1 (fr) 2017-05-08 2018-05-08 Station de compactage permettant de compacter des produits en vrac dans des sacs ouverts et procédé

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Country Link
US (2) US11305907B2 (fr)
EP (2) EP3621881B1 (fr)
CN (2) CN110770131B (fr)
CA (2) CA3062235A1 (fr)
DE (1) DE102017109873A1 (fr)
ES (2) ES2892335T3 (fr)
WO (2) WO2018206607A1 (fr)

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Also Published As

Publication number Publication date
ES2892335T3 (es) 2022-02-03
EP3621752A1 (fr) 2020-03-18
US20200062434A1 (en) 2020-02-27
US20210078743A1 (en) 2021-03-18
CN110691654B (zh) 2022-05-31
CN110770131A (zh) 2020-02-07
CA3062235A1 (fr) 2018-11-15
US11305907B2 (en) 2022-04-19
EP3621881B1 (fr) 2021-06-30
CN110770131B (zh) 2022-06-10
CA3062520A1 (fr) 2019-11-05
US11273942B2 (en) 2022-03-15
CN110691654A (zh) 2020-01-14
DE102017109873A1 (de) 2018-11-08
ES2877626T3 (es) 2021-11-17
WO2018206602A1 (fr) 2018-11-15
WO2018206607A1 (fr) 2018-11-15
EP3621881A1 (fr) 2020-03-18

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