EP3523201B1 - Fülleinrichtung für eine packmaschine zum füllen von schüttgütern in gebinde - Google Patents

Fülleinrichtung für eine packmaschine zum füllen von schüttgütern in gebinde Download PDF

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Publication number
EP3523201B1
EP3523201B1 EP17793577.2A EP17793577A EP3523201B1 EP 3523201 B1 EP3523201 B1 EP 3523201B1 EP 17793577 A EP17793577 A EP 17793577A EP 3523201 B1 EP3523201 B1 EP 3523201B1
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EP
European Patent Office
Prior art keywords
filling
channel
wall
closure
housing
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
EP17793577.2A
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German (de)
English (en)
French (fr)
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EP3523201A1 (de
Inventor
Thomas Humpe
René Mackel
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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Priority to PL17793577T priority Critical patent/PL3523201T3/pl
Publication of EP3523201A1 publication Critical patent/EP3523201A1/de
Application granted granted Critical
Publication of EP3523201B1 publication Critical patent/EP3523201B1/de
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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
    • B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B1/18—Methods of, or means for, filling the material into the containers or receptacles for filling valve-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
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
    • B65B1/32—Devices or methods for controlling or determining the quantity or quality or the material fed or filled by weighing
    • B65B1/34—Adjusting weight by trickle feed
    • 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
    • B65B39/001—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers with flow cut-off means, e.g. valves
    • B65B39/003—Rotating means

Definitions

  • the present invention relates to a filling device with a housing and a filling channel extending therein and with a channel closure for use on a packing machine for the controlled and automatic filling of bulk goods into containers.
  • the invention also relates to a packing machine equipped with such a filling device for filling bulk goods into containers.
  • the filling device according to the invention can be used for filling all kinds of bulk goods.
  • Such a filling device and a packing machine equipped with it are particularly preferably used for filling fine products, that is to say for filling fine and dusty products such as cement.
  • the invention can also be used for filling other bulk goods, for example from the chemical sector or the food sector.
  • a ball valve or ball valve with a throttle body which is mounted on one side in a housing with a control shaft.
  • the throttle body has a recess into which a wear-resistant insert is spring-loaded.
  • valve With the GB 416,215 a packing machine with a valve in the filling channel has become known, the valve being received in a pivotable manner on a valve axis extending transversely to the longitudinal extent of the filling channel.
  • the valve comprises a round closure plate which can be pivoted about the valve axis provided centrally on it.
  • the pivotable valve axis runs centrally through the filling channel. In a vertical position, the closure plate closes the circular filling channel. After pivoting through 90 ° into a horizontal position, the filling channel is largely released. Both the pivot axis and the closure plate are located in the open state in the middle of the product flow.
  • a valve at the filling turbine outlet of a packing machine for bulk material has become known, in which the bulk material is discharged from the filling pot via a filling wheel with blades distributed around the circumference.
  • a valve is provided for control.
  • the valve is designed to be rotatable and is received inside the filling pot in a cylindrical insert which is arranged radially directly outside the filling wheel provided with the wings.
  • the valve forms a 90 ° deflection for the crop flow.
  • the valve or the channel in which the valve is arranged has for this purpose an arcuate inner surface in order to deflect the material flow from the largely tangential flow direction within the filling pot into a radial direction towards the filling nozzle.
  • the disadvantage of this system is that a 90 ° deflection takes place over a very short section of the path.
  • the abrasive bulk material also always hits the front edge of the valve and the wall of the cylindrical insert, where it leads to particularly severe wear.
  • scissor valves are often used as channel closures, in which scissor-shaped grippers completely release an elastic part of the filling channel in the open state, while the scissor grippers partially close the filling channel in the fine flow position and completely in the closed position.
  • a scissor valve works reliably and can bring about a tight closure of the filling channel, with a high flow rate being possible in the open state.
  • the scissor grabs themselves are practically not subject to wear, as they do not come into frictional contact with the product to be filled.
  • the disadvantage of this, however, is that the channel closure must engage in the elastic part of the filling channel, so that an axially larger filling device is created.
  • the elastic hose wears out due to the scissor movements and has to be replaced regularly.
  • the filling pot does not have to be completely dismantled, but increased downtimes result.
  • the filling channel becomes longer due to the elastic hose and its compressible part, so that there is increased pipe friction.
  • a small overall volume and a smaller overall length are achieved using a slide valve.
  • a pivoting slide plate was added between 2 other steel plates.
  • the filling channel extends through the 3 adjacent steel plates.
  • the pivot axis of the central slide plate which optionally releases the filling channel, extends parallel to the filling channel. Due to the eccentric pivoting movement, the filling channel is initially partially and finally completely closed, so that a defined control of the filling process is possible.
  • a filling device for a packing machine for filling bulk goods such as cement into valve bags having a filling channel and a controllable channel closure in order to control the flow through the filling channel of a bulk material to be filled into a valve bag.
  • the channel closure has a pivotable closure member which comprises 2 round sections arranged in opposite walls of the filling channel, which are connected to one another over a certain angular range by an eccentric closure wall.
  • the drive shaft adjoins a round section at the side, the eccentric one through its rotary movement Closure wall can be pivoted to completely close or completely open the filling channel.
  • the round sections are mounted in the opposite walls of the filling channel and allow a simple function and at the same time serve as a seal to prevent bulk material from escaping to the outside from the filling channel.
  • the drive shaft On the drive side, the drive shaft is guided outwards and moved into the different pivoting positions by a cylinder.
  • a cover On the opposite side, a cover is screwed on to seal the filling channel even better, so that the escape of bulk material is completely prevented.
  • the idea here was that any bulk material that might pass the round section into the space between the round section and the cover could collect there, but not interfere with operation.
  • a filling device for a packing machine for the automatic filling of bulk goods into containers (in particular valve sacks or open sacks).
  • the filling device comprises a housing and a filling channel formed therein and a controllable channel closure in order to control the filling of bulk goods into containers.
  • the channel closure comprises a pivotable closure member. In the assembled state, the closure member is received in a closure receptacle in the housing. The closure receptacle extends in a transverse direction across the filling channel. This means that the cap holder crosses the product path defined by the filling channel.
  • the closure member comprises a drive shaft which extends outward from the housing on a drive side of the housing and via which the closure member can be pivoted in a controlled manner in order to close the filling channel in a closed position and to fully release it in an open position at least in a central area. Intermediate positions are also possible if necessary.
  • a wall (in particular outer wall or outer wall) of the housing has (on a Outside of the housing) has an insertion opening for the closure member in order to be able to introduce the closure member through the insertion opening (from the outside) into the closure receptacle and / or remove it therefrom during assembly or maintenance.
  • the closure member is only supported on one side of the filling channel on the drive side and is sealed off from the housing on the drive side with a round member section.
  • a seal is not necessary on the side opposite the drive side, since the closure element is not supported on the side and the bulk material cannot pass through to the outside or into an outer chamber.
  • a ventilation nozzle is arranged, with which the filling channel can be ventilated if necessary.
  • the filling device according to the invention has many advantages.
  • a considerable advantage is that the closure member is only supported on one side of the filling channel, and specifically only on the drive side.
  • a lead-through for the drive shaft to the outside must be provided on the drive side so that a drive moves the closure element into the desired positions. It has been found that it is not necessary to mount the closure member on the opposite side. This means that there is no need for a wall duct.
  • An intermediate chamber between the cover and a round and full-surface organ section of the closure member is not provided, which could hinder the operation in the long term.
  • the invention also enables simple assembly and disassembly and maintenance-friendly operation.
  • the filling device has a separate housing and can therefore also be used with existing packaging machines.
  • the housing of the filling device is arranged outside the bulk material and is not received, for example, inside a filling pot.
  • To replace a closure element it is not necessary to remove the entire filling device or to dismantle a filling pot in order to insert the closure element inside.
  • the filling device is therefore also suitable for retrofitting existing packaging machines.
  • a considerable advantage in operation results from the fact that only a small amount of effort arises when the closure member is replaced. And that is it is possible with the filling device according to the invention to remove the closure member from the side of the housing (to the outside and not to the inside).
  • the closure member can be inserted through an insertion opening on the side or from below, or it can also be removed again. If space is available, it can also be installed from above. In all of these cases, maintenance only requires very little downtime.
  • the closure member can be inserted laterally into the closure receptacle in or along or parallel to the transverse direction.
  • the closure member can also be removed again during assembly through the insertion opening.
  • the lock receptacle is accessible through the insertion opening during dismantling.
  • the insertion opening is preferably on the drive side. An opening in the housing on the opposite side is then not necessary.
  • the insertion opening can, however, also be arranged on the side opposite the drive side and, in simple cases, can be sealed off by a cover. There is then no provision for the drive shaft to pass through there.
  • a drive is preferably provided which is designed in particular as a cylinder drive.
  • the drive is preferably connected to the closure member via a lever.
  • the filling device is suitable and designed to be installed in a packing machine equipped with at least one filler neck, with which Packing machine can be filled in a controlled manner into a container hanging on the filler neck.
  • the housing of the filling device is a separate part. Such a housing can preferably be connected to a filling pot of the packaging machine. It is also possible that the filling device comprises a filling pot.
  • the filling device has the housing and a filling channel extending therein, preferably from a supply side to a discharge side.
  • the feed side can be connected in particular to a product feed and the discharge side can be connected in particular to a discharge channel.
  • the closure receptacle is designed in particular cylindrical.
  • the closure member preferably comprises a closure wall arranged eccentrically to the pivot axis.
  • the closure wall is preferably connected axially to the round organ section.
  • the closure member particularly preferably consists essentially of the drive shaft, a round member section and the closure wall.
  • the closure wall is preferably designed as a cylinder section or semi-cylinder section and can have a cross section in the shape of a segment of a circle.
  • the circle segment has a central angle in particular less than 210 ° and preferably less than 180 ° and a segment height that is less than 1.2 times the radius and in particular less than the radius of the circle segment.
  • an outer contour of the closure wall is delimited by a semicircular cylinder.
  • the exact outer contour of the closure wall can be designed differently. In any case, a round outer contour is preferred.
  • the closure member is received in the housing in a contact-free manner on the side opposite the drive side.
  • the housing comprises a valve housing section and a bearing housing section connected to it.
  • the bearing housing section is sealed off from the valve housing section.
  • the valve housing section and the bearing housing section can be formed in one piece.
  • the valve housing section and the bearing housing section can be designed as separate parts which are connected to one another.
  • the bearing housing section can have a flange part and can be screwed to the flange with the valve housing section.
  • the bearing housing section is preferably detachably connected to the valve housing section. It is preferred that the closure member is rotatably mounted on the bearing housing section.
  • the bearing housing section is hollow and is connected to the valve housing section and, in particular, screwed.
  • the valve housing section is particularly preferably sealed off from the outside (apart from the filling channel).
  • the bearing housing section is particularly preferably sealed off from the outside.
  • the bearing housing section is preferably sealed off from the valve housing section and / or the filling channel by means of the closure member and at least one seal.
  • the bearing housing section is preferably sealed off towards the outside towards the drive by means of at least one seal. Such a seal allows a particularly tight design.
  • the bearing housing section surrounds the drive shaft of the closure member. At least one seal for sealing the drive shaft from the filling channel is preferably arranged in the interior of the bearing housing section on the filling channel side. A bearing unit for supporting the drive shaft opposite the bearing housing section is preferably arranged closer to the outer end of the drive shaft. Between one The inner wall of the bearing housing section and the drive shaft preferably have an outwardly sealed cavity which is ventilated by means of at least one ventilation nozzle in order to reduce the entry of bulk material from the filling channel into the cavity through the seal, in particular as far as possible.
  • the cavity can be placed under an overpressure through the ventilation nozzle, which leads to a (low) flow of rinsing air from the cavity through the seal into the filling channel, whereby the overflow of bulk material is greatly reduced or prevented.
  • the flow of scavenging air is particularly preferably set such that the pressure in the cavity is at least approximately as great as in the filling channel or preferably greater than the pressure in the filling channel.
  • the housing preferably comprises two opposing walls or side walls, one of the two walls or side walls being arranged on the drive side.
  • the housing preferably has two walls which are designed as outer walls and which are opposite one another.
  • the wall opposite the drive side is designed as an outer wall (and delimits the housing from the surroundings).
  • the insertion opening is provided on the drive side. It is also possible, however, for the insertion opening or an insertion opening to be arranged on the wall opposite the drive side. If the closure member is oriented horizontally in the assembled state or if the transverse direction is oriented approximately horizontally, then the drive side is preferably located on a side wall of the housing. In these and other configurations, it is preferred that a through hole or through opening is formed during the manufacture of the housing, so that practically an insertion opening is formed on each of the opposite sides of the housing. It is then conceivable that the closure member can be introduced from both sides, or that the drive or the drive side can optionally be arranged on the right or left.
  • a through opening is formed on the wall opposite the drive side, which opening is closed by a cover device.
  • This through opening can be used as an insertion opening if the dimensions are correspondingly large. In this respect, it is possible for the insertion opening to be formed on the side opposite the drive side. On the drive side, only the drive shaft then has to be passed through. In all of these configurations, the through opening on the wall opposite the drive side is closed by a cover device.
  • the cover device preferably closes the through opening and dips into the through opening and forms part of the channel wall of the filling channel.
  • the (inside of the) lid device is preferably at least partially in direct and immediate contact with the bulk material to be filled.
  • the drive side is formed on the bottom or the top of the housing.
  • the insertion opening is arranged on the drive side if the insertion opening is formed on a lower side wall of the housing.
  • the insertion opening is accessible in particular from the environment.
  • the insertion opening is not formed in the interior of a filling pot. The transverse direction then extends approximately vertically during and especially after typical assembly.
  • At least one ventilation nozzle is preferably arranged on the cover device in order to ventilate the area of the closure receptacle and / or the area of the closure member as required. It has been found that there can be minor or major difficulties in guiding the fluid in the bulk material, especially in the area of the channel closure. This is especially true after longer downtimes and is also product-dependent. Reliable operation can be guaranteed by such a ventilation nozzle in the area of the closure member or the closure receptacle. With the invention it is possible to provide a filling device with such a ventilation nozzle can also be retrofitted to the cap holder on existing packaging machines. As a result, considerable difficulties in filling difficult products can be eliminated and, even when filling product that is inherently easy to fill, a constant state of the bulk material can be ensured by means of ventilation, if necessary.
  • a ventilation nozzle is arranged in a wall of the housing in the direction of flow in front of the closure member, with which the filling channel can be ventilated if necessary.
  • a ventilation nozzle is provided in a wall of the housing arranged at the bottom in the intended installation.
  • Such a (lower) ventilation nozzle can be used to ventilate the area in front of the closure member in order to improve the flowability of the bulk material.
  • Such a ventilation nozzle can be used when filling any container (e.g. valve sacks or open sacks) or, for example, after long periods of inactivity.
  • a ventilation nozzle in the direction of flow in front of the closure element and a (further) ventilation nozzle on the cover device is particularly advantageous in order to be able to specifically ventilate the area in front of the closure element and immediately behind or on the closure element in order to set suitable fluidization properties.
  • the closure member preferably has the drive shaft and the organ section of round design and a closure wall arranged eccentrically to the drive shaft.
  • the closure wall is particularly preferably essentially formed by a hollow cylinder segment or a cylinder segment and is preferably delimited by a half cylinder with the outer diameter of the round organ section and preferably designed as a flat surface free of interfering edges towards the inside of the filling channel.
  • the filling channel has an essentially rectangular cross section at least in the area of the closure member. It is possible that the corners are rounded.
  • the filling channel has at least one recess in the area of the closure member, in which the closure wall is at least partially arranged when the closure wall is in a completely open position.
  • the filling channel preferably has at least one recess into which the closure wall at least partially dips when the closure wall is in the closed position.
  • the closure wall preferably dips with a closure edge into a groove when the closure wall is moved into the closed position (closed position).
  • the groove can be formed in the filling channel and formed by the recess or can be formed thereon.
  • the closing edge tapers in particular towards the end. The closing edge of the closing wall or the closing wall itself provides, in particular, a wear reserve.
  • the closure wall When the front end is worn, the closure wall still dips into the groove to close the filling channel. Therefore, a low-maintenance operation is made possible.
  • the closure wall is only screwed a little more into the groove when material is worn on the front edge in order to effect a tight closure.
  • An insert is preferably provided in the recess, which is, for example, screwed tight.
  • the insert preferably almost completely (or completely) fills the recess.
  • a (small) groove preferably remains, into which the tip or closure edge of the closure wall dips in the closed position in order to effect a tight closure of the filling channel.
  • the groove remains in the recess, which is not filled by the insert.
  • the recess is designed so that the closure wall can immerse completely in it.
  • the closure wall preferably completely fills the recess, so that in the open state a (almost) interference-free filling channel is created, which corresponds to the cross-section in front of and behind it.
  • the closure wall practically does not impede the flow of product.
  • the filling device can comprise a conveying element and / or a filling pot for receiving an intermediate supply of the bulk material to be filled.
  • a conveyor element can be designed as a conveyor turbine.
  • other conveying elements such as air conveyors or screw conveyors or pump conveyors. All such conveying elements produce pressure (within the filling pot and in particular) in the filling channel.
  • the overpressure is brought about by the conveying element, but also by adding air to make the bulk material flowable or to set the desired flowability. Only when air is added can bulk goods such as cement or flour or cocoa and many others become more fluid. This "fluidizing" air also increases the prevailing internal pressure, which favors an undesired escape of the bulk material from the filling channel to the outside. This also increases the effort required for sealing.
  • the closure member in the assembled state is at least partially within a rectangular area that surrounds the outer circumference and / or the inner cross-sectional area of the filling pot as closely as possible, with a side edge of the rectangular area parallel to the course of the filling channel through the housing is aligned.
  • At least the area of the interior of the filling pot at which the filling channel exits is designed to be rounded.
  • the conveying element is preferably accommodated in the filling pot.
  • the filling device comprises a filling nozzle which is connected to the filling channel.
  • an elastic hose is provided between the filler neck and the filler channel.
  • the elastic tube is preferably linear.
  • the elastic tube preferably forms a linear continuation of the filling channel and / or the filling nozzle.
  • the invention is also geared towards a packing machine with at least one filling device and is used for the automatic filling of bulk goods into containers.
  • the packaging machine comprises at least one filling pot and a housing with a filling channel formed therein and a controllable channel closure in order to control the filling of bulk goods into containers.
  • the channel closure comprises a pivotable closure member which, in the assembled state, is received in a closure receptacle in the housing.
  • the closure receptacle extends in a transverse direction through the filling channel.
  • the closure member comprises a drive shaft which extends outward from the housing on a drive side of the housing and via which the closure member can be pivoted in a controlled manner in order to close the filling channel in a closed position and to fully release it in an open position at least in a central area.
  • One wall (outer wall or outer wall) of the housing has an insertion opening for the closure member in order to be able to introduce the closure member through the insertion opening into the closure receptacle during assembly.
  • the closure member is preferably mounted on only one side of the filling channel on the drive side and is sealed off from the housing on the drive side with a round member section. It is also possible that the closure member is on the opposite side to the drive side Side is supported or supported by a hollow support ring section on the side opposite the drive side.
  • the housing with the channel closure can be designed in one piece with the filling pot. It is preferred that the housing is a separate part which is connected to the filling pot. From the housing with the channel closure, the filling channel extends preferably linearly to the filling nozzle, to which containers (e.g. valve bags) for filling bulk goods are attached. In the case of open sacks, there is usually a gentle downward deflection of around 90 ° (around +/- 15 °) with a correspondingly large radius of curvature, which is usually not the case with valve sacks. In the area of the closure member, the filling channel is preferably (in particular regularly or even always) linear. In addition to an exactly straight course, a linear filling channel is also preferably understood to mean a course of the filling channel that has a slight angle of, for. B. up to 2.5 ° or 5 ° or up to 10 °.
  • the filled quantity or the filled filling volume can be controlled in a targeted manner with the channel closure.
  • the closure member is brought into the open position in order to begin the filling process in the coarse flow.
  • the product flow is reduced and only filled in the fine flow.
  • the product flow is preferably controlled essentially at least also by transferring the closure member from the fully open position to a partially open position.
  • the channel closure is completely closed so that the filling process is stopped. It is possible that the closure member can assume 2 or 3 or more intermediate positions.
  • a channel closure is made available, which has a very small overall volume and a small Overall length required.
  • the filling device and the sewer closure can be retrofitted. Very little wear is achieved.
  • the filling channel is preferably completely released in the open position.
  • the fully releasable proportion of the cross-sectional area of the filling channel is preferably at least 50% and in particular at least 66% and preferably more than 75%.
  • a releasable proportion of 80%, 90%, 95% and particularly preferably 98% and more is particularly preferably achieved.
  • the round organ section is formed over the entire surface.
  • a suitable sealing ring such. B. an O-ring, a labyrinth sealing ring, a radial shaft sealing ring, etc. may be provided in order to seal the round organ section against the wall of the housing.
  • the channel closure is only more exposed to the product flow or the flow of bulk material if the channel closure at least partially closes the channel. In the fully open state, the channel closure does not protrude into the channel and neither does it divert the flow of bulk material. This achieves particularly low-wear operation. When filling in the coarse flow (practically no substantial or) no deflection of the bulk material flow at the channel closure takes place.
  • the channel closure and in particular the round organ section of the channel closure can have a diameter that is greater than the height of the filling channel, so that it is possible for the closure wall to enter the recess on one side of the filling channel and the recess on the other at the same time Side of the channel is immersed and thus completely closes the filling channel.
  • the round organ section and the closure organ as a whole can be arranged centrally to the filling channel or also eccentrically to the filling channel.
  • the filling device and / or the packing machine according to the invention are preferably used to fill containers in the form of sacks.
  • the term “container” can be replaced by the specification “sack”.
  • open sacks can also be filled in a corresponding manner with a suitably adapted packing machine.
  • the invention can be used to fill bulk goods into open-mouth sacks or valve sacks.
  • FIG. 1 a top view of a packing machine 100 according to the invention is shown in a highly schematic representation, which is used to fill any bulk goods into containers 4, which are embodied here as valve sacks.
  • valve bags 4 are filled with cement with the packing machine 100.
  • the packing machine 100 it is also possible to design the packing machine 100 as a row packer or a single-nozzle packing machine. All packing machines can be designed for filling valve sacks or open sacks.
  • the packing machine 100 rotates in the direction of the arrow 104 in a clockwise direction.
  • an automatic plug-on 101 is provided, which removes the container 4 from a supply of sacks 103 and automatically shoots a container 4 onto each of the filling spouts 30 rotating past.
  • the containers 4 are filled with the bulk material to be filled.
  • filling is first carried out in the coarse flow until a predetermined weight threshold is reached. Then the filling takes place in fine flow until the final weight is reached.
  • a calming phase can follow until the angular point is reached in which the discharge belt 102 is provided, onto which the filled containers are dropped. The weight of the container 4 can be checked again on the discharge belt 102. The filled containers 4 are transported away.
  • FIG Figure 2 shows a filling device 1 for the packing machine 100 according to FIG Figure 1 in a perspective view.
  • the filling device 1 here comprises a housing 40.
  • the filling device 1 or the housing 40 of the filling device 1 can be formed in one piece or in one piece with the filling pot 25.
  • the filling pot 25 is a separate part which is connected and preferably screwed to the filling device 1 and here in particular to the housing 40.
  • the filling pot 25 has a conveying element 24 in the interior 29 of the filling pot 25, which is designed here as a conveyor turbine 27 in the exemplary embodiment. However, the use of other funding bodies is also possible.
  • An inlet 26 is formed at the upper end of the filling pot, through which the product to be filled reaches the filling pot 25.
  • the filling channel 2, which continues in the housing 40 of the filling device 1, begins in a lower region 28 of the filling pot 25.
  • the filling device 1 comprises the housing 40 with the filling channel 2 and a channel seal 3.
  • the channel seal 3 includes a here in the illustration Figure 2 Not visible closure member 6 with a drive shaft 7, which can be pivoted between different positions via the lever 9 and the drive 10, which is designed here as a cylinder drive 14, in order to selectively close, partially open or fully open the filling channel 2.
  • the housing 40 here comprises the valve housing section 41 and the bearing housing section 42 flanged to it.
  • the side wall or wall 15 adjoins the filling channel 2, while the side wall or wall 16 adjoins the filling channel 2 on the opposite side 46.
  • FIG. 11 shows a perspective view of the filling device 1 and the filling pot 25 from FIG Figure 2 from the other side.
  • the roughly triangular cross-section of the housing 40 can be seen in the side view.
  • Such a shape can advantageously be applied in the lower lateral edge area of the filling pot 25 and thus allows a particularly space-saving and space-saving arrangement of the channel closure 3.
  • a through opening 47 (cf. Fig. 4 ) closed in the wall 16.
  • a filler neck 30 can be connected to the end face 48 of the housing 40 via an elastic hose, for example, to which the attached containers can be filled.
  • an elastic hose for example, to which the attached containers can be filled.
  • the ventilation nozzle 59 on the cover 55 via which, if necessary, the filling channel 2 in the area of the closure receptacle 32 (cf. Fig. 4 ) of the duct seal 3 can be ventilated.
  • the bulk material located there can be ventilated directly in the area of the closure member 6 in order to provide suitable fluidization properties.
  • the filling channel 2 can also be blown freely through the ventilation 59.
  • FIG Figure 4 shows a horizontal cross section through the representation according to FIG Figure 3 , whereby here by different hatching of the valve housing section 41, the bearing housing section 42 and the filling pot 25 it can be clearly seen that these parts are designed here as separate parts. However, it is also possible to design the filling pot 25 in one piece with the valve housing section 41.
  • the filling channel 2 extends from the interior 29 of the filling pot 25 into the housing 40.
  • the closure member 6 with the closure wall 18 is in the closed position (both not shown in section here), in which the filling channel is completely closed by the closure wall 18.
  • the approximately L-shaped structure of the closure member 6 in the area of the filling channel 2 can be seen here.
  • the closure member 6 here comprises the closure wall 18 which transversely passes through or crosses the filling channel 2 and the round organ section 8 on the wall 15 of the housing 40 causes.
  • a seal 51 is connected downstream of the round organ section 8. The seal 51 largely prevents bulk material particles from entering the cavity 53 of the bearing housing section 42.
  • At least one ventilation nozzle 54 is preferably provided, with which the cavity 53 between the drive shaft 7 and the wall of the bearing housing section 42 can be placed under a targeted overpressure, in order in particular to bring about a flow of scavenging air from the cavity 53 into the filling channel 2, which ensures even better sealing results.
  • closure member 6 with the drive shaft 7, the round member section 8 and the closure wall 18 extends in the transverse direction 44 transversely to the alignment of the filling channel 2.
  • a through opening 47 is formed in the wall 16 of the housing 40, which is closed here by the cover 55.
  • the through opening 47 has the same diameter as the insertion opening 49 on the drive side 45 and is designed concentrically therewith. This means that there are basically 2 insertion openings available here.
  • the closure member 6 can be inserted into the closure receptacle 32 both from the drive side 45 and from the opposite side 46.
  • the cover 55 fills the through opening 47 almost completely (or completely) in the axial direction and thus forms part of the filling channel 2 with no or only minimal interfering edges.
  • the closure member 6 it is advisable to introduce the closure member 6 from the drive side 45, since the closure member 6 can, for example, initially be mounted on the bearing housing section 42. Then the closure wall 18 and the round organ section 8 are inserted into the insertion opening 49 and the bearing housing section 42 is screwed to the valve housing section 41.
  • the procedure allows simple and quick assembly, particularly during maintenance or replacement, since the channel closure 3 can be introduced from the side. It is not necessary to remove the housing 40 from the product path or to separate the product path itself. It is sufficient to open the housing 40 laterally and to remove the closure member 6.
  • Ventilation via the ventilation nozzle 59 on the cover 55 is also possible, so that air can be supplied via the ventilation nozzles 35 and 59 immediately in front of and behind the closure wall 18.
  • Figure 5 shows a schematic perspective representation of the channel closure 3 with the drive provided here as a cylinder drive 14, the lever 9 and the closure member 6, which has the drive shaft 7, the round member section 8 and the closure wall 18 extending in the lateral transverse direction.
  • the end face 38 of the closure wall 18 is located at a small distance from the channel wall 16 or from the inner wall of the cover 55, so that contact-free and permanently reliable operation can be guaranteed.
  • a filler neck 30 is shown schematically, which connects to a flexible hose section 31.
  • a weight-related decoupling of the filling device 1 of the filling pot 25 from the container or valve bag 4 is achieved.
  • bulk material 5 is shown in the valve bag 4, which is filled here according to the gross method. This means that the container 4 or the sack is weighed together with the bulk material during filling.
  • the channel closure 3 and the closure member 6 are located in the illustration according to FIG Figure 6 in the completely closed position 11, in which the filling channel 2 is completely closed.
  • the cylindrical closure receptacle 32 can be seen in this side view.
  • the insert 56 is fixed by the screw shown.
  • the insert 56 leaves a small edge or groove exposed (in Fig. 8 recognizable), into which the closure wall 18 dips from above in the closed position 11 shown here in order to reliably and completely close the filling channel 2.
  • the (lower) ventilation nozzle 35 can be seen in front of the closure member 6 in the housing 40, while the air outlet of the ventilation nozzle 59 can be seen within the closure receptacle 32.
  • the ventilation nozzles 35 and 59 enable the bulk material 5 to be ventilated in front of and behind the closure wall 18.
  • Figure 7 shows the partially open position 12, in which the closure wall 18 of the closure member 6 has been partially pivoted upwards, so that the lower region of the filling channel 2 is opened.
  • a groove 23a can be seen, which here remains of the recess 23 after the insert 56 has been inserted.
  • the groove 23a can also be worked directly into the corresponding wall of the filling channel if no insert is provided.
  • the locking edge 18a dips into the groove 23a and ensures a complete closure.
  • the closing edge 18a is worn at the front end, the closing wall is only rotated a little further for closing in order to close the filling channel tightly. In simple cases, this is done automatically by a drive (such as the cylinder drive 14).
  • the material of the closure wall 18 serves as a wear reserve in such cases.
  • Figure 8 finally shows the fully open position 13, in which the filling channel 2 is completely and practically 100% released here.
  • the closure wall 18 is located completely within the upper recess 22.
  • FIG 8 the rectangular areas 57 and 58 are shown.
  • the closure member 6 is cut by the rectangular delimiting surface 57, which is spanned by the inner surface of the filling pot 25.
  • the closure member 6 is also cut by the narrowest outer surface 58 surrounding the filling pot 25, one side surface of each of the rectangles 57, 58 running at least approximately parallel to the alignment of the filling channel 2. This makes it clear that a very compact and space-saving structure is made possible, in which even old machines can be retrofitted with the filling device 1 according to the invention.
  • Figure 8 Another alternative embodiment, in which the closure member 6 is supported or mounted on the side 46 opposite the drive side 45 by a support ring section 50.
  • the support ring section 50 is designed to be hollow and, as in FIG Figure 8 shown be designed circumferentially. With such a configuration, the closure member is supported on both sides 45, 46 of the filling channel 2. The opposite side 46 can be closed with a cover 55. Because the support ring section 50 is hollow, material can be transported and exchanged freely. There is no closed cavity that can be completely filled with product and possibly block continued operation. The use of a ventilation nozzle to ventilate an intermediate space can also be dispensed with. Another ventilation nozzle 59 for fluidizing the bulk material in the filling channel can be attached to the cover 55.
  • the invention provides an advantageous filling device and an advantageous packing machine, with which bulk goods in containers and in particular valve bags or open bags can be controlled and automatically filled in an effective manner.
  • the design of the channel closure allows reliable functioning and low wear.
  • an advantageous ventilation option is made available.
  • the filling device works with little wear and tear and seals the filling channel from the outside more reliably, even under increased delivery pressure, and requires very little space.
  • known filling devices can be exchanged, so that a longer service life can be achieved with reliable functioning.
  • connection dimensions of known filling devices can be adhered to, so that an exchange can take place without problems.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Basic Packing Technique (AREA)
EP17793577.2A 2016-10-10 2017-10-10 Fülleinrichtung für eine packmaschine zum füllen von schüttgütern in gebinde Active EP3523201B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17793577T PL3523201T3 (pl) 2016-10-10 2017-10-10 Urządzenie napełniające do maszyny pakującej do napełniania pojemników materiałem sypkim

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016119191.4A DE102016119191A1 (de) 2016-10-10 2016-10-10 Fülleinrichtung für eine Packmaschine zum Füllen von Schüttgütern in Gebinde
PCT/EP2017/075771 WO2018069294A1 (de) 2016-10-10 2017-10-10 Fülleinrichtung für eine packmaschine zum füllen von schüttgütern in gebinde

Publications (2)

Publication Number Publication Date
EP3523201A1 EP3523201A1 (de) 2019-08-14
EP3523201B1 true EP3523201B1 (de) 2021-09-08

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EP17793577.2A Active EP3523201B1 (de) 2016-10-10 2017-10-10 Fülleinrichtung für eine packmaschine zum füllen von schüttgütern in gebinde

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Country Link
EP (1) EP3523201B1 (pl)
CN (1) CN109789932B (pl)
BR (1) BR112019007041B1 (pl)
DE (1) DE102016119191A1 (pl)
EA (1) EA038954B1 (pl)
ES (1) ES2899941T3 (pl)
PL (1) PL3523201T3 (pl)
WO (1) WO2018069294A1 (pl)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024089146A1 (de) * 2022-10-28 2024-05-02 Haver & Boecker Ohg Fülleinrichtung
WO2024089147A1 (de) * 2022-10-28 2024-05-02 Haver & Boecker Ohg Drehbar gelagertes bauteil und verfahren zum betreiben

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GB416215A (en) 1933-11-23 1934-09-13 Lafarge Aluminous Cement Compa Improvements relating to bag filling and weighing apparatus
US3191906A (en) 1962-06-18 1965-06-29 Fisher Governor Co Flow control valve with a v-shaped opening
DE3150682C2 (de) * 1981-12-21 1983-12-01 Claudius Peters Ag, 2000 Hamburg Ventil im Austragskanal einer Packmaschine für Schüttgut
DE3627328A1 (de) * 1986-08-12 1988-02-18 Achim Daume Drosselkoerper mit verschleissschutz
GB9409851D0 (en) * 1994-05-17 1994-07-06 Cambridge Consultants Improvements in and relating to containers of particulate material
US5617896A (en) * 1995-05-16 1997-04-08 Neles-Jamesbury Oy Valve having a closure member for creating flow turbulence in the valve
SE9801399D0 (sv) * 1998-04-21 1998-04-21 Astra Pharma Prod Method and apparatus for filling containers
DE102005039313B3 (de) * 2005-08-19 2006-09-28 Spitzer Silo- Fahrzeugwerke Gmbh Auslaufeinrichtung eines Behälters für staubförmiges oder körniges Schüttgut
AU2007329183B2 (en) * 2006-12-07 2010-10-07 Saied Sabeti Rotating valve
CA2786339C (en) * 2010-01-29 2017-07-11 Mbh-International A/S A drainage valve and a collection bag assembly comprising said valve
DE102011119624A1 (de) 2011-11-29 2013-05-29 Haver & Boecker Ohg Fülleinrichtung für eine Packmaschine
CN202704282U (zh) * 2012-06-13 2013-01-30 长沙惠工智科机电设备有限公司 嵌入式助流装置及具有该嵌入式助流装置的储料装置
EP3398859B1 (de) * 2017-05-04 2019-09-25 BEUMER Group GmbH & Co. KG Füllrohr zum füllen von ventilsäcken

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024089146A1 (de) * 2022-10-28 2024-05-02 Haver & Boecker Ohg Fülleinrichtung
WO2024089147A1 (de) * 2022-10-28 2024-05-02 Haver & Boecker Ohg Drehbar gelagertes bauteil und verfahren zum betreiben
DE102022128614A1 (de) * 2022-10-28 2024-05-08 Haver & Boecker Ohg Drehbar gelagertes bauteil und verfahren zum betreiben

Also Published As

Publication number Publication date
CN109789932A (zh) 2019-05-21
EA201990865A1 (ru) 2019-09-30
CN109789932B (zh) 2021-11-30
WO2018069294A1 (de) 2018-04-19
PL3523201T3 (pl) 2022-02-07
BR112019007041B1 (pt) 2023-02-07
ES2899941T3 (es) 2022-03-15
EP3523201A1 (de) 2019-08-14
BR112019007041A2 (pt) 2019-07-02
EA038954B1 (ru) 2021-11-15
DE102016119191A1 (de) 2018-04-12

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