EP3269539A1 - Device for opening an end area of a tubular sack body - Google Patents
Device for opening an end area of a tubular sack body Download PDFInfo
- Publication number
- EP3269539A1 EP3269539A1 EP16179471.4A EP16179471A EP3269539A1 EP 3269539 A1 EP3269539 A1 EP 3269539A1 EP 16179471 A EP16179471 A EP 16179471A EP 3269539 A1 EP3269539 A1 EP 3269539A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- transport direction
- suction devices
- bag body
- suction
- transport
- 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.)
- Granted
Links
- 230000001154 acute effect Effects 0.000 claims 1
- 230000032258 transport Effects 0.000 description 55
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/003—Opening or distending bags
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
- B31B2150/001—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom
- B31B2150/0014—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom having their openings facing transversally to the direction of movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
- B31B2150/003—Flexible containers made from sheets or blanks, e.g. from flattened tubes made from tubular sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2160/00—Shape of flexible containers
- B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2160/00—Shape of flexible containers
- B31B2160/20—Shape of flexible containers with structural provision for thickness of contents
Definitions
- the invention relates to a device for opening an end region of a tubular bag body, according to the preamble of claim 1.
- Cabinet sacks also called cross-bottom sacks, are sacks of parallelepipedic shape, which are manufactured in bag making plants by providing tubular bag bodies whose end areas are opened and folded into cross bottoms.
- the bag bodies are guided lying flat when folding through the clothing plant, so that the tube walls of the tubular bag body abut each other, especially at the end portions of the tubular bag body.
- the two tube walls are separated from each other at the end regions of the tubular bag body and folded over 180 ° with respect to each other, usually one of the two tube walls is folded over with the help of a spreading tool as a side flap on itself, creating an open bottom, in which the another hose wall forms a second side flap.
- valve sheets can be inserted for the production of box valve bags, which are formed by further folding operations to a valve through which the bags can be filled by means of a filler neck.
- the final bottom configuration is made by overlapping the bottom side flaps.
- the overlapping bottom side flaps are glued or welded depending on the material.
- bottom cover sheets can be placed on the overlapping bottom side flaps and adhesively bonded or welded thereto.
- the bottom opening device with the aid of which the two layers are separated from one another at the end region of the tubular bag body, is designed as a pneumatic bottom opening device in which suction devices lying opposite each other with respect to the material layers to be separated are provided, which engage the tube walls of the bag body and the sequence are moved apart, whereby the tube walls are separated from each other, so that the spreading tool can intervene therebetween.
- the end region of the tubular bag body during transport of the bag body in the transport direction can be opened on the transport device, wherein the carrier carriage when opening the end portion of the bag body per bag body always moves with this linearly for a short time.
- the object is achieved by providing a device for opening an end portion of a tubular bag body with the features of claim 1.
- Advantageous embodiments of the invention are set forth in the subclaims.
- the device according to the invention is designed to open an end region of a tubular bag body, which end region extends between an open hose body end and a bottom center line.
- a transport device transports the bag body with adjacent hose walls in a bag conveying plane with a transport speed in a transport direction, wherein the bottom center line is aligned in the transport direction.
- On both sides of the bottom center line are arranged transversely to the transport direction back and forth movably driven suction devices which are movable until it rests against the tube walls of the intermediate end portion of the bag body and thereafter, while exerting a suction force on the respective tube wall away from each other, whereby they move the Pull hose walls away from each other, wherein the suction devices are additionally movable in and against the transport direction.
- the suction devices are mounted on first joints, wherein at each first joint, two pivot arms are pivotally hinged relative to each other, wherein each pivot arm is pivotally connected by means of a second joint with a Stellschwenkarm, each Stellstell arm is driven to move.
- the suction devices can be driven at a higher speed, whereby compared to the prior art, the transport speed of the transport device further increased and thus the production rate of bags can be further increased.
- the design of the device has the advantage that the mass of the device and in particular the mass of the moving parts of the device relative to the device known from the prior art can be reduced, whereby less energy must be expended to the end portions of the bag body to open.
- each adjusting swivel arm is driven by its own actuator.
- the suction devices are arbitrarily movable, taking into account the geometric dimensions of the Stellschwenkarme and the pivot arms transversely to the transport direction and in the transport direction in a plane.
- the level is referred to below as a work plane.
- the adjusting pivot arms are driven in pairs by an actuator, wherein optionally between the actuator and at least one of the Stellschwenkarme lever or gearbox are interposed.
- the working plane is oriented at an angle to the bag conveying plane, wherein the angle is preferably adjustable. Due to the variability of the angle of the working plane, the device according to the invention can be particularly easily adapted for the mounting of different widths of floors and different width bag bodies. For narrow floors, an angle of 0 ° or a flat angle to the bag conveying plane is chosen, and for steeper floors a steeper angle can be set. With such a construction, it is further ensured that the opening device correctly transfers the opened end region to a subsequent processing station, in particular to a spreading device, without having to accept an unguided or undefined state between the opening of the end region and its further processing.
- the orbit substantially in the form of an elliptical orbit.
- the transport speed of the transport device and thus the production rate of sacks can be increased once again, if the pivot arms, the alignment arms and / or the Stellschwenkarme have recesses.
- the pivot arms, the alignment arms and / or the Stellschwenkarm are made of a lightweight material, such as aluminum, magnesium or plastic.
- the holder and the suction devices are as easily formed and made of aluminum or plastic, or a combination of these materials.
- the present invention is preferably further developed such that opposing suction devices are arranged offset from one another in the transport direction, whereby they attack each other offset to the tube walls to be separated.
- each actuator is formed by a stepper motor, a servo motor, a hydraulically driven motor or a pneumatically driven motor.
- each holder carries a plurality of suction devices, wherein the suction devices are arranged on each holder in at least one row.
- the holders are designed to be adjustable so that the rows of suction devices are aligned parallel to the bag conveying plane.
- the advantage is obtained that the holders are always aligned with respect to the bag conveying plane.
- soils can be formed at both opposite end regions of the tubular bag body, or a bottom can be formed only at one end region. If trays are to be formed at both end regions, a device according to the invention is used to open each of the end regions, the devices advantageously being used arranged offset from each other. This has the advantage that even with tubular bag bodies with a short length both end areas can be opened and can be dispensed with an adjustment of the device due to lack of space.
- FIG. 1 the system 40 in a schematic side view
- FIG. 2 show the system 40 in a schematic plan view.
- the system 40 further comprises two positioning devices 2 in the form of baffles and two spreading devices 3.
- the spreading devices 3 each comprise two rollers 4 and a belt drive 4 mounted on the rollers 4 and driven by the rollers 4, which holds and drives a spreading tool 6.
- the embodiment of the spreading devices 3 and the embodiment of the setting-up devices 2 correspond to the embodiments of the spreading device and the positioning device known from the patent EP 2 441 574 B1 ,
- a transport device 27 transports the bag body 8 with adjacent hose walls 15 continuously with a transport speed V in the transport direction 25 in a bag conveying plane 14.
- the transport device 27 is formed by a belt conveyor.
- the open end portions 7 of the bag body 8 are formed opposite to each other on the bag bodies 8, wherein one device 1 for opening an end portion 7 of a side of the bag body 8 is provided.
- the end regions 7 each extend between a hose body end 17 and a bottom center line 16, wherein the bottom center lines 16 are each aligned in the transport direction 25.
- the devices 1 are arranged offset to one another.
- a device 1 comprises four Stellschwenkarme 9, four pivot arms 10, four actuators 11, two holders 12 and four suction devices 13, wherein in each case two suction devices 13 are arranged attached to a holder 12.
- the two suction devices 13 each attached to a holder 12 are mounted in a row on this and stylized by two triangles.
- one device 1 each has four alignment arms 24, which keep the holders 12 always parallel to one another during a movement of the holders 12.
- the Ausrichtarme 24 are the sake of clarity, only in the FIGS. 4 to 6 shown.
- the alignment arms 24 are movably connected to one another via ball bearings, to the holders 12 and to the actuators 11 or to a housing of the actuators 11.
- each holder 12 is driven by two actuators 11, wherein the Stellschwenkarme 9 are each connected at one end to a drive shaft of an actuator 11 and are connected to the other ends each articulated by a second joint x2 with a pivot arm 10.
- the pivot arms 10 are rotatably connected at one of their ends by means of a first joint x1 with the holders 12.
- the actuators 11 are advantageously formed by stepper motors or servomotors. By the actuators 11, the holder 12 can be displaced as desired in a working plane 19, wherein the working plane 19 is aligned at an angle ⁇ relative to the bag conveying plane 14.
- the actuators 11 are aligned parallel to each other and are attached by means not shown brackets to fixed elements of the transport device 27 that they are rotatably mounted relative to the bag conveying plane 14 and at different angles relative to the bag conveying plane 14 can be fixed. Furthermore, the actuators 11 are mounted relative to the stationary elements of the transport device 27, that a distance between the actuators 11 and the bag conveying plane 14 is variable.
- the first joints x1 are formed clamped around the horizontal, whereby the rows of suction devices 13 can always be aligned parallel to the bag conveying plane 14 at different angles ⁇ .
- the angle ⁇ of the working plane 19 and the distance of the working plane 19 relative to the bag conveying plane 14 is arbitrarily adjustable, whereby the system 40 easy to different widths of bottoms and different width bag body 8 can be adjusted.
- the bag body 8 are initially flat on the transport device 27, wherein the bag body 8 are transported at a transport speed V by the transport device 27 in the transport direction 25. In this state, the tube walls 15 of the tubular bag body 8 are on each other.
- the bag body 8 are advantageously secured to the transport device 27 by means not shown holding against slipping. If a tubular bag body 8 passes the positioning device 2, the end region 7 of the bag body 8 is folded over substantially orthogonally along the bottom center line 16 to the rest of the bag body 8. See FIG. 2 ,
- a first position 20 the suction device 13 of the devices 1 with the tube walls 15 of the folded end portions 7 of the bag body 8 brought into contact, the speed of the suction device 13 is driven by the actuators 11 adapted to the transport speed V.
- the first position 20 is in FIG. 3 shown.
- a suction applied by the suction device 13 on the tube walls 15 suction the tube walls 15 are sucked. From this time corresponds to a speed component of the holder 12 in the transport direction 25 of the transport speed V of the transport device 27, whereby warping of the tube walls 15 during opening of the end portion 7 is avoided.
- the two holders 12 and the suction device 13 arranged thereon begin to move away from each other and thereby open the end region 7.
- FIG. 2 shows in the upper part of an already opened by the device 1 end portion 7 of a
- the suction force is interrupted and the suction devices 13 are controlled by the actuators 11 moves back to the first position 20, wherein the suction device 13 and the holder 12 for opening the end portion 7 and the subsequent return to the first position 20 a Depart essentially elliptical orbit 18.
- the end regions 7 opened by the device 1 are then unfolded apart by the spreading device 3 and formed into open bottoms, whereby a bag bottom can be formed in further steps not shown in the figures.
- FIG. 3 schematically shows substantially elliptical orbits 18, the holders 12 and the suction means 13 of the device 1 according to the invention used in the system 40 according to FIG. 1 for repeated opening of end portions 7 of successive bag bodies 8 depart.
- the suction devices 13 are in the first position 20, the suction devices 13 essentially abut against the tube walls 15 of the end region 7. For reasons of clarity, the tube walls 15 are in FIG. 3 not shown.
- the suction devices 13 and the holders 12 are arranged offset from one another to open an end region 7. By applying a suction force, one hose wall 15 is temporarily coupled, each with a holder 12.
- a position of the Stellschwenkarme 9 and the pivot arms 10 in befindlichem in the first position 20 bracket is in FIG. 4 shown.
- the actuators 11 are now controlled so that the holder 12 and the suction devices 13 follow the substantially elliptical orbit 18, wherein the holder 12 are held by the alignment arms 24 always parallel to each other.
- the tube walls 15 are separated from each other, wherein the tube walls 15 are folded in the direction of the bag conveying plane 14 by the inclination of the working plane 19 to the bag conveying plane 14 by the angle ⁇ when driving off the substantially elliptical orbit.
- FIG. 5 shows the holder 12 in a second position 21 already partially spaced apart. If the holders 12 and / or the suction devices 13 reach a third position 22, the suction force is interrupted and the suction devices 13 detach from the hose walls 15. The speed component of the holders 11 in the transport direction 25 when the substantially elliptical orbit 18 is moved away from the first position 20 to the third position 22 is equal to the transport speed V.
- FIG. 6 shows the position of the Stellschwenkarme 9 and the pivot arms 10 in the third position 22. Subsequently, the direction of movement of the holder 12 is reversed, the holder 12 are stopped or braked in a fourth position 23 briefly. If the end region 7 of a following bag body 8 is at the height of the first position 20, the holders 12 are moved into the first position 20, whereby the end region 7 of the next bag body 8 can be opened.
- FIG. 7 shows the position of the Stellschwenkarme 9 and the pivot arms 10 in the fourth position 23. The two holders 12 move synchronously along their respective elliptical path 18 to each other.
- FIGS. 4 to 7 schematically show positions of pivot arms 10 and adjusting pivot arms 9 of the device 1 according to the invention used in the system 40 according to FIG. 1 when descending the substantially elliptical path 18 after FIG. 3 with the holders 12.
- the pivot arms 10, the Stellschwenkarme 9 and the alignment arms 24 are formed by flat metal elements, which have recesses.
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Abstract
Vorrichtung (1) zum Öffnen eines Endbereichs (7) eines Sackkörpers (8), welcher Endbereich (7) sich zwischen einem offenen Schlauchkörperende (17) und einer Bodenmittenlinie (16) erstreckt, mit einer Transporteinrichtung (27), auf der der Sackkörper (8) mit aneinanderliegenden Schlauchwänden (15) mit einer Transportgeschwindigkeit (V) in einer Transportrichtung (25) transportierbar ist und mit auf beiden Seiten der Bodenmittellinie (16) angeordneten, quer zur Transportrichtung (25) hin und her beweglich angetriebenen Saugeinrichtungen (13), wobei die Saugeinrichtungen (13) zusätzlich in Transportrichtung (25) hin und her bewegbar sind. Die Saugeinrichtungen (13) sind an ersten Gelenken (x1) montiert, wobei an jedem ersten Gelenk (x1) zwei Schwenkarme (10) relativ zueinander schwenkbar angelenkt sind, wobei ein jeder Schwenkarm (10) mittels eines zweiten Gelenks (x2) mit einem Stellschwenkarm (9) schwenkbar verbunden ist und wobei jeder Stellschwenkarm beweglich angetrieben ist.Device (1) for opening an end region (7) of a bag body (8), which end region (7) extends between an open hose body end (17) and a bottom center line (16), with a transport device (27) on which the bag body ( 8) with adjoining tube walls (15) with a transport speed (V) in a transport direction (25) is transportable and arranged on both sides of the bottom center line (16), transversely to the transport direction (25) reciprocally driven suction devices (13), wherein the suction means (13) are additionally movable in the transport direction (25) back and forth. The suction devices (13) are mounted on first joints (x1), wherein at each first joint (x1) two pivot arms (10) are pivotally articulated relative to each other, wherein each pivot arm (10) by means of a second articulation (x2) with a Stellschwenkarm (9) is pivotally connected and wherein each Stellschwenkarm is driven to move.
Description
Die Erfindung betrifft eine Vorrichtung zum Öffnen eines Endbereichs eines schlauchförmigen Sackkörpers, gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a device for opening an end region of a tubular bag body, according to the preamble of
Kastensäcke, auch Kreuzbodensäcke genannt, sind Säcke von quaderförmiger Gestalt, die in Sackkonfektionsanlagen hergestellt werden, indem schlauchförmige Sackkörper bereitgestellt werden, deren Endbereiche geöffnet und zu Kreuzböden gefaltet werden. Die Sackkörper werden beim Falten flach liegend durch die Konfektionsanlage geführt, so dass die Schlauchwände des schlauchförmigen Sackkörpers aneinander anliegen, insbesondere auch an den Endbereichen des schlauchförmigen Sackkörpers. Zur Bodenbildung werden die beiden Schlauchwände an den Endbereichen des schlauchförmigen Sackkörpers voneinander getrennt und in Bezug aufeinander um 180° umgeklappt, wobei zumeist eine der beiden Schlauchwände mit Hilfe eines Spreizwerkzeugs als Seitenklappe auf sich selbst umgeklappt wird, wodurch ein offener Boden entsteht, bei dem die andere Schlauchwand eine zweite Seitenklappe bildet. Durch das Umklappen einer Schlauchwand am Endbereich des schlauchförmigen Sackkörpers entsteht am vorderen und hinteren Teil dieses Endbereichs jeweils ein dreieckiger Umschlag. Diesen Vorgang nennt man in der Fachsprache auch "Aufziehen". In weiterer Folge können zur Herstellung von Kastenventilsäcken Ventilzettel eingelegt werden, die durch weitere Faltungsvorgänge zu einem Ventil ausgebildet werden, durch das hindurch die Säcke mittels eines Füllstutzens befüllbar sind. Die endgültige Bodenkonfiguration wird durch einander überlappendes Einschlagen der Bodenseitenklappen hergestellt. Die überlappenden Bodenseitenklappen werden je nach Material verklebt oder verschweißt. Alternativ oder zusätzlich können Bodendeckblätter auf die überlappenden Bodenseitenklappen aufgelegt und mit diesen verklebt oder verschweißt werden.Cabinet sacks, also called cross-bottom sacks, are sacks of parallelepipedic shape, which are manufactured in bag making plants by providing tubular bag bodies whose end areas are opened and folded into cross bottoms. The bag bodies are guided lying flat when folding through the clothing plant, so that the tube walls of the tubular bag body abut each other, especially at the end portions of the tubular bag body. For bottom formation, the two tube walls are separated from each other at the end regions of the tubular bag body and folded over 180 ° with respect to each other, usually one of the two tube walls is folded over with the help of a spreading tool as a side flap on itself, creating an open bottom, in which the another hose wall forms a second side flap. By folding a tube wall at the end of the tubular bag body is formed at the front and rear of this end portion each have a triangular envelope. This process is called in the jargon also "Aufziehen". As a result, valve sheets can be inserted for the production of box valve bags, which are formed by further folding operations to a valve through which the bags can be filled by means of a filler neck. The final bottom configuration is made by overlapping the bottom side flaps. The overlapping bottom side flaps are glued or welded depending on the material. Alternatively or additionally, bottom cover sheets can be placed on the overlapping bottom side flaps and adhesively bonded or welded thereto.
Eine entsprechende Sackkonfektionsanlage ist in der
Dieser Nachteil wurde durch die in der
In der Patentanmeldung
Als nachteilig bei der aus der Patentanmeldung
Es ist die Aufgabe der vorliegenden Erfindung eine Vorrichtung zum Öffnen eines Endbereichs eines schlauchförmigen Sackkörpers bereitzustellen, die das Öffnen von den Endbereichen der schlauchförmigen Sackkörper bei hohen Transportgeschwindigkeiten der Transporteinrichtung ermöglicht, um die Produktionsrate von Konfektionieranlagen zu erhöhen.It is the object of the present invention to provide a device for opening an end portion of a tubular bag body, which allows the opening of the end portions of the tubular bag body at high transport speeds of the transport device to increase the production rate of confectioning equipment.
Erfindungsgemäß wird die Aufgabe durch Bereitstellen einer Vorrichtung zum Öffnen eines Endbereichs eines schlauchförmigen Sackkörpers mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen dargelegt.According to the invention the object is achieved by providing a device for opening an end portion of a tubular bag body with the features of
Die erfindungsgemäße Vorrichtung ist zum Öffnen eines Endbereichs eines schlauchförmigen Sackkörpers ausgebildet, welcher Endbereich sich zwischen einem offenen Schlauchkörperende und einer Bodenmittenlinie erstreckt. Eine Transporteinrichtung transportiert die Sackkörper mit aneinanderliegenden Schlauchwänden in einer Sackförderebene mit einer Transportgeschwindigkeit in einer Transportrichtung, wobei die Bodenmittenlinie in Transportrichtung ausgerichtet ist. Auf beiden Seiten der Bodenmittenlinie sind quer zur Transportrichtung hin und her beweglich angetriebene Saugeinrichtungen angeordnet, die bis zur Anlage an den Schlauchwänden des dazwischen befindlichen Endbereichs des Sackkörpers bewegbar sind und danach unter Ausübung einer Saugkraft auf die jeweilige Schlauchwand voneinander weg bewegbar sind, wodurch sie die Schlauchwände voneinander wegziehen, wobei die Saugeinrichtungen zusätzlich in und entgegen der Transportrichtung bewegbar sind. Die Saugeinrichtungen sind an ersten Gelenken montiert, wobei an jedem ersten Gelenk zwei Schwenkarme relativ zueinander schwenkbar angelenkt sind, wobei ein jeder Schwenkarm mittels eines zweiten Gelenks mit einem Stellschwenkarm schwenkbar verbunden ist, wobei jeder Stellschwenkarm beweglich angetrieben ist.The device according to the invention is designed to open an end region of a tubular bag body, which end region extends between an open hose body end and a bottom center line. A transport device transports the bag body with adjacent hose walls in a bag conveying plane with a transport speed in a transport direction, wherein the bottom center line is aligned in the transport direction. On both sides of the bottom center line are arranged transversely to the transport direction back and forth movably driven suction devices which are movable until it rests against the tube walls of the intermediate end portion of the bag body and thereafter, while exerting a suction force on the respective tube wall away from each other, whereby they move the Pull hose walls away from each other, wherein the suction devices are additionally movable in and against the transport direction. The suction devices are mounted on first joints, wherein at each first joint, two pivot arms are pivotally hinged relative to each other, wherein each pivot arm is pivotally connected by means of a second joint with a Stellschwenkarm, each Stellstell arm is driven to move.
Durch die erfindungsgemäße Ausbildung der Vorrichtung können die Saugeinrichtungen mit einer höheren Geschwindigkeit angetrieben werden, wodurch gegenüber dem Stand der Technik die Transportgeschwindigkeit der Transporteinrichtung weiter gesteigert und somit die Produktionsrate von Säcken weiter erhöht werden kann.The inventive design of the device, the suction devices can be driven at a higher speed, whereby compared to the prior art, the transport speed of the transport device further increased and thus the production rate of bags can be further increased.
Ferner ist durch die Ausbildung der Vorrichtung der Vorteil erhalten, dass die Masse der Vorrichtung und insbesondere die Masse der bewegten Teile der Vorrichtung gegenüber der Vorrichtung bekannt aus dem Stand der Technik reduziert werden kann, wodurch weniger Energie aufgewendet werden muss, um die Endbereiche der Sackkörper zu öffnen.Furthermore, the design of the device has the advantage that the mass of the device and in particular the mass of the moving parts of the device relative to the device known from the prior art can be reduced, whereby less energy must be expended to the end portions of the bag body to open.
Vorteilhaft ist jeder Stellschwenkarm von einem eigenen Stellantrieb angetrieben. Hierdurch ist der Vorteil erhalten, dass die Saugeinrichtungen beliebig unter Berücksichtigung der geometrischen Abmessungen der Stellschwenkarme und der Schwenkarme quer zur Transportrichtung und in Transportrichtung in einer Ebene bewegbar sind. Die Ebene wird in weiterer Folge als Arbeitsebene bezeichnet. Durch die beliebige Bewegung der Saugeinrichtungen in der Arbeitsebene kann jeder Punkt in der Arbeitsebene erreicht werden, wodurch die Vorrichtung für verschiedene Sackformate geeignet ist.Advantageously, each adjusting swivel arm is driven by its own actuator. As a result, the advantage is obtained that the suction devices are arbitrarily movable, taking into account the geometric dimensions of the Stellschwenkarme and the pivot arms transversely to the transport direction and in the transport direction in a plane. The level is referred to below as a work plane. By arbitrary movement of the suction devices in the working plane, each point in the working plane can be achieved, whereby the device is suitable for different bag formats.
In einer weiteren Ausführungsvariante sind die Stellschwenkarme paarweise von einem Stellantrieb angetrieben, wobei optional zwischen dem Stellantrieb und zumindest einem der Stellschwenkarme Hebel oder Getriebe zwischengeschaltet sind. Hierdurch ist der Vorteil erhalten, dass auf eine aufwendige Steuerung der Stellantriebe verzichtet werden kann, um die Saugeinrichtungen immer auf einer exakt gleichen Bahn in der Arbeitsebene zu bewegen.In a further embodiment, the adjusting pivot arms are driven in pairs by an actuator, wherein optionally between the actuator and at least one of the Stellschwenkarme lever or gearbox are interposed. As a result, the advantage is obtained that can be dispensed with a complex control of the actuators to move the suction always on a precisely the same path in the working plane.
Vorteilhaft ist die Arbeitsebene in einem Winkel zur Sackförderebene ausgerichtet, wobei der Winkel bevorzugt einstellbar ist. Durch die Veränderbarkeit des Winkels der Arbeitsebene kann die erfindungsgemäße Vorrichtung besonders einfach für das Aufziehen von unterschiedlich breiten Böden und unterschiedlich breiten Sackkörpern angepasst werden. Für schmale Böden wird hierbei ein Winkel von 0° oder ein flacher Winkel gegen die Sackförderebene gewählt, und für breitere Böden kann ein steilerer Winkel eingestellt werden. Bei einer solchen Bauform ist weiters sichergestellt, dass die Öffnungseinrichtung den geöffneten Endbereich korrekt an eine nachfolgende Bearbeitungsstation, insbesondere an eine Spreizvorrichtung übergibt, ohne dass zwischen dem Öffnen des Endbereichs und seiner weiteren Bearbeitung ein ungeführter bzw. undefinierter Zustand in Kauf genommen werden muss.Advantageously, the working plane is oriented at an angle to the bag conveying plane, wherein the angle is preferably adjustable. Due to the variability of the angle of the working plane, the device according to the invention can be particularly easily adapted for the mounting of different widths of floors and different width bag bodies. For narrow floors, an angle of 0 ° or a flat angle to the bag conveying plane is chosen, and for steeper floors a steeper angle can be set. With such a construction, it is further ensured that the opening device correctly transfers the opened end region to a subsequent processing station, in particular to a spreading device, without having to accept an unguided or undefined state between the opening of the end region and its further processing.
Zweckmäßig sind die Saugeinrichtungen, insbesondere zum Öffnen der Endbereiche der Sackkörper, in einer Umlaufbahn bewegbar, die folgende Positionen umfasst:
- eine erste Position, in der die Saugeinrichtungen an oder nahe der Bodenmittenlinie an den aneinander anliegenden Schlauchwänden des Endbereichs des Sackkörpers anliegen,
- eine zweite Position, in der die Saugeinrichtungen gegenüber der ersten Position in Transportrichtung und voneinander weg bewegt worden sind,
- eine dritte Position, in der die Saugwirkung der Saugeinrichtungen abgestellt wird, wobei die dritte Position an oder nahe einem Umkehrpunkt der Umlaufbahn von der Bewegung in der Transportrichtung in eine Bewegung entgegen der Transportrichtung liegt, und
- eine vierte Position, die an oder nahe einem Umkehrpunkt der Umlaufbahn von der Bewegung entgegen der Transportrichtung in eine Bewegung in der Transportrichtung liegt. Kehren die Saugeinrichtungen von der vierten Position wieder in die erste Position zurück, so wurde zwischenzeitig von der Transporteinrichtung bereits ein weiterer Sackkörper in Stellung gebracht, dessen Endbereich beim darauffolgenden Abfahren der Positionen geöffnet wird. Durch das Abfahren der vier Positionen ist sichergestellt, dass zum Öffnen der Endbereiche der Sackböden immer die gleiche Umlaufbahn abgefahren wird, wodurch der Vorteil erhalten ist, dass die Endbereiche der schlauchförmigen Sackkörper immer korrekt geöffnet werden und durch eine weitere Bearbeitungsstation, insbesondere eine Spreizvorrichtung, ein offener Boden an den Endbereichen geformt werden kann. Ferner ist der Vorteil erhalten, dass eine Wegstrecke zum Öffnen des Endbereichs des schlauförmigen Sackkörpers und einem erneuten Zurückkehren in die erste Position zum Öffnen des Endbereichs eines darauf folgenden Sackkörpers möglichst kurz ist.
- a first position, in which the suction devices abut against the adjacent tube walls of the end region of the bag body at or near the bottom center line,
- a second position in which the suction devices have been moved in the transport direction and away from one another relative to the first position,
- a third position, in which the suction effect of the suction devices is turned off, wherein the third position is at or near a reversal point of the orbit of the movement in the transport direction in a movement opposite to the transport direction, and
- a fourth position, which is at or near a reversal point of the orbit from the movement opposite to the transport direction in a movement in the transport direction. If the suction devices return from the fourth position back to the first position, another bag body has already been brought into position by the transport device, the end region of which is opened during the subsequent movement of the positions. By traversing the four positions, it is ensured that the same orbits are always traveled to open the end regions of the bag bottoms, whereby the advantage is obtained that the end regions of the tubular bag bodies are always opened correctly and through a further processing station, in particular a spreading device open bottom can be formed at the end portions. Furthermore, the advantage is obtained that a distance to open the end region of the loop-shaped bag body and a return to the first position for opening the end portion of a subsequent bag body is as short as possible.
Vorteilhaft weist die Umlaufbahn im Wesentlichen die Form einer elliptischen Umlaufbahn auf.Advantageously, the orbit substantially in the form of an elliptical orbit.
Bevorzugt sind die Saugeinrichtungen an einander gegenüberliegenden Haltern montiert, wobei die Vorrichtung zusätzlich Ausrichtarme aufweist, welche die einander gegenüberliegenden Halter bei der Bewegung in der Arbeitsebene parallel zueinander halten. Hierdurch ist der Vorteil erhalten, dass die Halter und die Saugeinrichtungen zueinander zwangsweise immer gleich ausgerichtet sind, wodurch in wiederkehrender Genauigkeit der Endbereich des schlauchförmigen Sackkörpers geöffnet werden kann.Preferably, the suction devices are mounted on mutually opposite holders, the device additionally having alignment arms, which hold the mutually opposite holders in the movement in the working plane parallel to each other. In this way, the advantage is obtained that the holder and the suction devices are mutually always aligned the same way, whereby the end portion of the tubular bag body can be opened in recurring accuracy.
Die Transportgeschwindigkeit der Transporteinrichtung und somit die Produktionsrate an Säcken kann noch einmal erhöht werden, wenn die Schwenkarme, die Ausrichtarme und/oder die Stellschwenkarme Ausnehmungen aufweisen. Durch das Vorsehen von Ausnehmungen wird das Massenträgheitsmoment der Schwenkarme, der Ausrichtarme und der Stellschwenkarme reduziert, wodurch die gesamte Konstruktion schneller beschleunigbar ist. Vorteilhaft sind die Schwenkarme, die Ausrichtarme und/oder der Stellschwenkarm aus einem möglichst leichten Material, wie Aluminium, Magnesium oder Kunststoff gebildet.The transport speed of the transport device and thus the production rate of sacks can be increased once again, if the pivot arms, the alignment arms and / or the Stellschwenkarme have recesses. By providing recesses, the mass moment of inertia of the pivot arms, the alignment arms and the Stellschwenkarme is reduced, whereby the entire construction is faster accelerated. Advantageously, the pivot arms, the alignment arms and / or the Stellschwenkarm are made of a lightweight material, such as aluminum, magnesium or plastic.
Vorteilhaft sind die Halter und die Saugeinrichtungen möglichst leicht ausgebildet und aus Aluminium oder Kunststoff, oder einer Kombination dieser Materialien gebildet.Advantageously, the holder and the suction devices are as easily formed and made of aluminum or plastic, or a combination of these materials.
Insbesondere dann, wenn eine Bodenöffnungseinrichtung in einer Sackkonfektionsanlage für Sackkörper aus luftdurchlässigen Geweben eingesetzt werden soll, besteht die Gefahr, dass es beim Anlegen der Saugeinrichtungen an den Schlauchwänden zu einer Luftansaugung durch die Schlauchwände hindurch kommt, wodurch die Saugeinrichtungen nicht nur die ihnen zugeordnete Schlauchwand, sondern auch die dahinter befindliche Schlauchwand ansaugen und somit keine Trennung der Lagen erfolgt. Um dies zu verhindern, ist die vorliegende Erfindung bevorzugt dahingehend weitergebildet, dass einander gegenüberliegende Saugeinrichtungen in Transportrichtung zueinander versetzt angeordnet sind, wodurch sie zueinander versetzt an den zu trennenden Schlauchwänden angreifen.In particular, when a bottom opening device is to be used in a bag making machine for bag bodies made of air-permeable fabrics, there is the danger that when applying the suction devices on the hose walls to an air intake through the tube walls passes, whereby the suction devices not only their associated hose wall, but also suck in the hose wall located behind it and thus there is no separation of the layers. To prevent this, the present invention is preferably further developed such that opposing suction devices are arranged offset from one another in the transport direction, whereby they attack each other offset to the tube walls to be separated.
Bevorzugt ist je ein Stellantrieb durch einen Schrittmotor, einen Servomotor, einen hydraulisch angetriebenen Motor oder einen pneumatisch angetriebenen Motor gebildet.Preferably, each actuator is formed by a stepper motor, a servo motor, a hydraulically driven motor or a pneumatically driven motor.
Um zu vermeiden, dass sich die Schlauchwände des Endbereichs während des Öffnungsvorgangs verziehen, ist es günstig, wenn die Saugeinrichtungen beim Öffnen des Endbereichs -während ihres Kontakts mit den Schlauchwänden- mit einer Geschwindigkeit in der Arbeitsebene bewegt werden, deren Geschwindigkeitskomponente in der Transportrichtung gleich der Transportgeschwindigkeit ist.In order to avoid that the tube walls of the end region warp during the opening operation, it is favorable when the suction devices are moved during opening of the end region-during their contact with the tube walls-at a speed in the working plane whose speed component in the transport direction is equal to the speed Transport speed is.
Vorteilhaft trägt jeder Halter mehrere Saugeinrichtungen, wobei die Saugeinrichtungen an jedem Halter in zumindest einer Reihe angeordnet sind. Hierdurch ist der Vorteil erhalten, dass bei Ausübung einer Saugkraft die Schlauchwände flächig angesaugt werden, wodurch eine Deformation der Schlauchstücke vermieden wird.Advantageously, each holder carries a plurality of suction devices, wherein the suction devices are arranged on each holder in at least one row. As a result, the advantage is obtained that, when a suction force is exerted, the tube walls are sucked flat, whereby a deformation of the tube pieces is avoided.
Bevorzugt sind die Halter so verstellbar ausgebildet, dass die Reihen an Saugeinrichtungen parallel zur Sackförderebene ausgerichtet sind. Hierdurch ist der Vorteil erhalten, dass die Halter gegenüber der Sackförderebene immer gleich ausgerichtet sind.Preferably, the holders are designed to be adjustable so that the rows of suction devices are aligned parallel to the bag conveying plane. As a result, the advantage is obtained that the holders are always aligned with respect to the bag conveying plane.
Je nach Anforderung an die herzustellenden Säcke können an beiden einander gegenüberliegenden Endbereichen des schlauchförmigen Sackkörpers Böden ausgeformt werden, oder nur an einem Endbereich ein Boden ausgeformt werden. Sollen an beiden Endbereichen Böden ausgeformt werden, wird zum Öffnen jedes der Endbereiche jeweils eine erfindungsgemäße Vorrichtung verwendet, wobei die Vorrichtungen vorteilhaft zueinander versetzt angeordnet sind. Hierdurch ist der Vorteil erhalten, dass auch bei schlauchförmigen Sackkörpern mit geringer Länge beide Endbereiche geöffnet werden können und auf eine Anpassung der Vorrichtung aufgrund von Platzmangel verzichtet werden kann.Depending on the requirements of the bags to be produced, soils can be formed at both opposite end regions of the tubular bag body, or a bottom can be formed only at one end region. If trays are to be formed at both end regions, a device according to the invention is used to open each of the end regions, the devices advantageously being used arranged offset from each other. This has the advantage that even with tubular bag bodies with a short length both end areas can be opened and can be dispensed with an adjustment of the device due to lack of space.
Weitere vorteilhafte Ausgestaltungen der erfindungsgemäßen Vorrichtung werden in weiterer Folge anhand der Figuren näher erläutert.
-
zeigen schematische Ansichten einer Ausführungsvariante eines Systems zum Ausbilden von offenen Böden an offenen Endbereichen von schlauchförmigen Sackkörpern, in welchem System erfindungsgemäße Vorrichtungen zum Öffnen der Endbereiche der schlauchförmigen Sackkörper zum Einsatz gelangen.Figuren 1 und 2 -
zeigt schematisch im Wesentlichen elliptische Umlaufbahnen, die die Saugeinrichtungen der erfindungsgemäßen Vorrichtung eingesetzt in demFigur 3System gemäß Figur 1 zum wiederholenden Öffnen von Endbereichen von aufeinanderfolgenden Sackkörpern abfahren. -
Figuren 4 zeigen schematisch Stellungen von Schwenkarmen und Stellschwenkarmen der erfindungsgemäßen Vorrichtung eingesetzt in dembis 7System gemäß Figur 1 beim Abfahren der im Wesentlichen elliptischenUmlaufbahn nach Figur 3 .
-
Figures 1 and 2 show schematic views of an embodiment of a system for forming open trays at open end portions of tubular bag bodies, in which system according to the invention device for opening the end portions of the tubular bag body used. -
FIG. 3 schematically shows substantially elliptical orbits that the suction devices of the device according to the invention used in the system according toFIG. 1 for repeatedly opening end areas of successive bag bodies. -
FIGS. 4 to 7 show schematically positions of pivot arms and Stellschwenkarmen the device according to the invention used in the system according toFIG. 1 when traveling down the substantially elliptical orbitFIG. 3 ,
Eine Transporteinrichtung 27 transportiert die Sackkörper 8 mit aneinanderliegenden Schlauchwänden 15 kontinuierlich mit einer Transportgeschwindigkeit V in Transportrichtung 25 in einer Sackförderebene 14. Die Transporteinrichtung 27 ist durch einen Bandförderer gebildet.A
Die offenen Endbereiche 7 der Sackkörper 8 sind einander gegenüberliegend an den Sackkörpern 8 ausgebildet, wobei je eine Vorrichtung 1 zum Öffnen eines Endbereichs 7 einer Seite des Sackkörpers 8 vorgesehen ist. Die Endbereiche 7 erstrecken sich jeweils zwischen einem Schlauchkörperende 17 und einer Bodenmittenlinie 16, wobei die Bodenmittenlinien 16 jeweils in Transportrichtung 25 ausgerichtet sind. Aus Gründen des Platzbedarfs der Vorrichtungen 1 sind die Vorrichtungen 1 zueinander versetzt angeordnet.The
Je eine Vorrichtung 1 umfasst vier Stellschwenkarme 9, vier Schwenkarme 10, vier Stellantriebe 11, zwei Halter 12 und vier Saugeinrichtungen 13, wobei jeweils zwei Saugeinrichtungen 13 an einem Halter 12 angebracht angeordnet sind. Die zwei Saugeinrichtungen 13 jeweils angebracht an einem Halter 12 sind in einer Reihe an diesem angebracht und durch zwei Dreiecke stilisiert. Ferner weist je eine Vorrichtung 1 jeweils vier Ausrichtarme 24 auf, die die Halter 12 während einer Bewegung der Halter 12 immer parallel zueinander halten. Die Ausrichtarme 24 sind der Übersichtlichkeit halber nur in den
Wie aus
Die Stellantriebe 11 sind zueinander parallel ausgerichtet und sind so mittels nicht dargestellter Halterungen an feststehenden Elementen der Transporteinrichtung 27 angebracht, dass diese drehbar gegenüber der Sackförderebene 14 gelagert und in verschiedenen Winkeln gegenüber der Sackförderebene 14 fixierbar sind. Ferner sind die Stellantriebe 11 so gegenüber den feststehenden Elementen der Transporteinrichtung 27 angebracht, dass ein Abstand zwischen Stellantrieben 11 und der Sackförderebene 14 veränderbar ist. Die ersten Gelenke x1 sind um die Horizontale festklemmbar ausgebildet, wodurch die Reihen an Saugeinrichtungen 13 bei unterschiedlichen Winkeln α immer parallel zur Sackförderebene 14 ausgerichtet werden können.The
Durch Veränderung des Winkels der Stellantriebe 11 und des Abstands der Stellantriebe 11 gegenüber der Sackförderebene 14 ist der Winkel α der Arbeitsebene 19 und der Abstand der Arbeitsebene 19 gegenüber der Sackförderebene 14 beliebig anpassbar, wodurch das System 40 einfach an unterschiedlich breite Böden und unterschiedlich breite Sackkörper 8 angepasst werden kann.By changing the angle of the
In weiterer Folge wird der Vorgang zum Auffalten der Endbereiche 7 eines schlauchförmigen Sackkörpers 8 näher beschrieben. Der Einfachheit halber wird dieser Vorgang nur anhand des in Transportrichtung 25 gesehenen linken Endbereichs 7 beschrieben. Der Auffaltvorgang beim in Transportrichtung 25 gesehen rechten Endbereich 7 erfolgt genau gleich, aber aufgrund der versetzten Anordnung der Aufstelleinrichtungen 2, der erfindungsgemäßen Vorrichtungen 1 und der Spreizvorrichtungen 3 zeitlich versetzt.Subsequently, the process for unfolding the
Die Sackkörper 8 liegen zunächst flach auf der Transporteinrichtung 27 auf, wobei die Sackkörper 8 mit einer Transportgeschwindigkeit V durch die Transporteinrichtung 27 in die Transportrichtung 25 befördert werden. In diesem Zustand liegen die Schlauchwände 15 der schlauchförmigen Sackkörper 8 aufeinander auf. Die Sackkörper 8 werden vorteilhaft auf der Transporteinrichtung 27 durch nicht dargestellte Haltemittel gegen Verrutschen gesichert. Passiert ein schlauchförmiger Sackkörper 8 die Aufstelleinrichtung 2, wird der Endbereich 7 des Sackkörpers 8 im Wesentlichen orthogonal entlang der Bodenmittenlinie 16 zum Rest des Sackkörpers 8 umgefaltet. Siehe dazu
In weiterer Folge werden in einer ersten Position 20 die Saugeinrichtung 13 der Vorrichtungen 1 mit den Schlauchwänden 15 der umgefalteten Endbereiche 7 des Sackkörpers 8 in Kontakt gebracht, wobei die Geschwindigkeit der Saugeinrichtung 13 angetrieben durch die Stellantriebe 11 an die Transportgeschwindigkeit V angepasst ist. Die erste Position 20 ist in
Befinden sich die Saugeinrichtungen 13 in der ersten Position 20, liegen die Saugeinrichtungen 13 im Wesentlichen an den Schlauchwänden 15 des Endbereichs 7 an. Aus Gründen der bessern Übersichtlichkeit sind die Schlauchwände 15 in
In einer weiteren Ausführungsvariante werden die Halter 12 in ihrer Bahn kurzzeitig vor der dritten Position 22 so gegenüber dem Sackkörper 8 bewegt, dass diese den Endbereich 7 offen halten und nicht mehr weiter öffnen.In a further embodiment variant, the
In einer bevorzugten Ausführungsvariante sind die Schwenkarme 10, die Stellschwenkarme 9 und die Ausrichtarme 24 durch flächige Metallelemente gebildet, welche Ausnehmungen aufweisen. Hierdurch ist der Vorteil erhalten, dass die Masse der bewegten Teile reduziert wird, wodurch zum einen kleine Stellantriebe 11 vorgesehen werden können und zum anderen hohe Verfahrgeschwindigkeiten der Halter 12 erreicht werden können.In a preferred embodiment, the
Claims (13)
Priority Applications (9)
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EP16179471.4A EP3269539B1 (en) | 2016-07-14 | 2016-07-14 | Device for opening an end area of a tubular sack body |
ES16179471T ES2726708T3 (en) | 2016-07-14 | 2016-07-14 | Device for opening an end zone of a tubular shaped bag body |
TW106122729A TWI720222B (en) | 2016-07-14 | 2017-07-06 | A device for opening an end region of a tubular bag body |
BR112019000379-7A BR112019000379B1 (en) | 2016-07-14 | 2017-07-10 | DEVICE FOR OPENING A TERMINAL REGION AND A TUBULAR BAG BODY AND SYSTEM FOR SETTING OPEN FUNDS IN OPEN TERMINAL REGIONS OF TUBULAR BAG BODIES |
PCT/EP2017/067206 WO2018011114A1 (en) | 2016-07-14 | 2017-07-10 | Device for opening an end region of a tubular bag body |
JP2019501572A JP6956168B2 (en) | 2016-07-14 | 2017-07-10 | A device for opening the end area of a tubular bag |
US16/317,617 US10960634B2 (en) | 2016-07-14 | 2017-07-10 | Device for opening an end region of a tubular bag body |
KR1020197000970A KR102466798B1 (en) | 2016-07-14 | 2017-07-10 | A device for spreading the end area of a tubular bag body |
CN201780043646.XA CN109476109B (en) | 2016-07-14 | 2017-07-10 | Device for opening the end region of a tubular pouch |
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EP16179471.4A EP3269539B1 (en) | 2016-07-14 | 2016-07-14 | Device for opening an end area of a tubular sack body |
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EP (1) | EP3269539B1 (en) |
JP (1) | JP6956168B2 (en) |
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2016
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CN112848515A (en) * | 2021-02-03 | 2021-05-28 | 中山市尚研自动化设备有限公司 | Valve welding machine |
CN112848515B (en) * | 2021-02-03 | 2023-02-24 | 中山市尚研自动化设备有限公司 | Valve welding machine |
Also Published As
Publication number | Publication date |
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TWI720222B (en) | 2021-03-01 |
ES2726708T3 (en) | 2019-10-08 |
KR20190028699A (en) | 2019-03-19 |
TW201808731A (en) | 2018-03-16 |
CN109476109B (en) | 2020-10-09 |
JP2019521049A (en) | 2019-07-25 |
BR112019000379B1 (en) | 2022-09-06 |
CN109476109A (en) | 2019-03-15 |
WO2018011114A1 (en) | 2018-01-18 |
KR102466798B1 (en) | 2022-11-14 |
JP6956168B2 (en) | 2021-10-27 |
US10960634B2 (en) | 2021-03-30 |
EP3269539B1 (en) | 2019-02-20 |
US20190291379A1 (en) | 2019-09-26 |
BR112019000379A2 (en) | 2019-04-24 |
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