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  • 专利说明
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    • 专利摘要:
    DEVICE AND METHOD FOR REDUCING PACKAGE REPLACEMENT FORCES IN A FILLING MACHINE. The invention relates to a method for reducing the forces of replacing packaging in a filling machine. Folded and flat packages are removed from a filling machine compartment, to a cross section forming an erected packaging parallelogram and then transferred to a transport device to transport the upright package along a transport path. To allow an adapted reduction of the replacement force to be applied to the respective packaging material without increasing the cycle time for the removal and folding of the flat and folded surfaces of the packaging, it is proposed to temporarily increase the internal angle between the walls of the packaging. external packaging above 90 º to reduce the replacement force, while the packaging is placed on the transport path of the transport device. The reduction of the replacement force can be effected during the movement, or during a stoppage of the packaging during transport. Additionally, a filling machine was used to carry out the proposed method.
    公开号:BR112014024201B1
    申请号:R112014024201-1
    申请日:2013-03-15
    公开日:2021-01-05
    发明作者:Klaus Baltes；André Vetters
    申请人:Elopak Systems Ag；
    IPC主号:
    专利说明:

    Field of the Invention
    [001] The invention relates to a method for reducing the forces of replacing packages in a filling machine, in which each flat folded package has four external and internal folding edges in the parallel direction showing packaging walls separated from each other forming respectively on each external folding edge an acute internal angle included between the packaging walls, included in the steps of the method,
    [002] - introduction of flat folded packages in a filling machine compartment,
    [003] - removal of each folded and flattened package from the compartment and unfolding of the folded package to a cross section formed in a parallelogram raised from the package with a removal device and
    [004] - transferring the upright packaging using a delivery device to a transport device to transport the upright packaging along a transport path, wherein at least one processing step is performed with the upright packaging, while the packaging is placed on the transport path of the transport device.
    [005] Filling machines for filling products, especially liquid food products, in packages composed of existing carton material are known in the state of the art. For the construction of better known filling machines, EP 0936 992 B1 and DE 41 42 167 C2 are worth mentioning.
    [006] Packages of generally rectangular shape are supplied due to a better portability provided with folding edges for pre-cut packages previously prepared in the filling machine. Each flat folded package has four parallel inner and outer folding edges with separate packaging walls. On the outer folding edges of the flat folded packages, an acute angle is included between the inner walls of the package. Said internal folding edges of the flat folded package are disposed between the outer folding edges. In the inner folding edges of the flat folded packages, an obtuse angle is included between the inner walls of the package. Since the packaging walls have dimensions corresponding to the inner folding edges they divide the distance between the outer folding edges from the center.
    [007] The at least one support line of the filling machine is applied to folded packages spread out from a compartment. In the compartment the packages are stacked, usually in an upright position, one behind the other. On one side of the compartment removal towards the support line are two of the front packing walls free. The stack is moved by a force on its back side towards the removal side, such as a spring or linear actuator, acting to move the packages from the stack side to the removal side.
    [008] A removal and implantation device comprises a clamp to grab one of the two free sides of the packaging walls of the removal compartment, by a guide to the other of the two free packaging walls in the direction of the backward movement of the guide for retaining elements for receiving the outer folding edges of the folded package.
    [009] The removal and unfolding device unfolds the folded package to a cross section forming a rectangle on the package. The unfolded packaging is supported by a transport device. Along the support line of the filling machine, the packages produced are sterilized, filled and then closed. The production of the packaging base normally takes place just before filling. Then, the packaging head is usually produced.
    [010] As a transport device, in particular transport wheels or conveyor belts are used with bag-shaped containers for loading packages or packaging containers. The rotating transport wheels at this stage have a plurality of parallel intake points that extend outwardly in a radial direction. Intake points are generally formed like pegs in which folded packages or packaging containers are inserted; here is also meant a pin wheel. In another embodiment of a transport wheel, each intake point comprises a plurality of arms or profiles, located on the outside, in particular directly adjacent to the folding edges of the folded packages. In this case, the intake points form cells in which folded packages or packaging containers are inserted; here it is understood as a wheel hub.
    [011] Next, a state-of-the-art filling machine with removal and implantation device from the company SIG Combibloc GmbH in D-52441 is added, based on the explanation in figure 1 a) - d):
    [012] The flat folded packages (1) are erect in the filling compartment (2) of the filling machine. Each flat folded package (1) has four parallel external folding edges (3a, 3b) and internal folding edges (4a, 4b) of separate packaging walls (5a, 5b, 6a, 6b).
    [013] One removal side (7) of the compartment (2) turns the two packaging walls forward (5a, 5b) of the respective free packaging (1). This allows the packages (1) on the removal side (7) not to fall out of the compartment (7. On the removal side, the retaining elements (8a, 8b) are arranged along the front external folding edges (3a, 3b) of the packaging (1), the respective front packaging (1) is not removed over the entire width of the packaging walls (5a, 5b) .The packaging (1) is on only one of the two packaging-free walls (5a ) of the packaging (1) detected on the removal side (7) of the compartment (2) (see fig. 1a)). To detect the packaging wall (5a), a suction clamp (9) with a single vertical axis (10) is used hingedly on the articulated arm (11). Through the articulation of rotation of the shaft (10) that articulates the suction clamp (9) the adjacent external folding edge (3a) of the retaining element (8a) is resolved, in which, in the continuation of the articulation movement of the suction clamp (9) for the opposite outer folding edge (3b) still held by the retaining element (8b) a flat parallelogram is formed, as can be seen in particular from figure 1a). In the continued course of the hinge movement the outer adjacent folding edge (3b) is released from the retaining element (8b). Subsequently, the package (1) with another one of both package-free walls (5b) is guided by sliding fear along a curved guide surface (12) by means of a guide element (13). The guide surface (12) results in the movement of the package (1) along the moving path (14) with an increase in the acute internal angle (15a, 15b), with the internal angle (15) between the packaging walls (5b, 6b) and the internal angle (15b) between the walls of the package (5a, 6a) are included. In the direction of the moving path (14), a fastening element (16) is located at the end of the curved guide surface (16) which is inserted in the form of a groove-shaped relief in the guide element (13). The retaining element (16) serves to receive the outer folding edge (3b) of the folded package (1). Also in the direction of the movement path (14) behind the guide surface (12) there is another stationary retaining element (17) in the form of a retaining frame (17) for receiving the diametrically opposite external folding edge (3a). The distance and orientation of the retaining elements (16,17) is such that those of the retaining elements (16,17) of the package form a rectangle in the cross section. This guidance is intended for the transfer of the folded packages to the removal and implantation device downstream of the transport device, in particular those necessary transport wheels.
    [014] Because the packages (1), before being introduced into the compartment (2), had been stored or transported in the flat folded condition for a long time, this makes the folding edges (3a, 3b, 4a, 4b) of the packaging (1) restore the forces of replacement of the packaging (1). Because the packages (1), before being introduced into the compartment (2), had been stored or transported in the flat folded condition for a long time, this causes the folding edges (3a, 3b, 4a, 4b) of the package ( 1) restore the forces of replacement of the packages (1) counterbalanced.
    [015] To reduce the replacement forces, the packages (1) by means of the suction cups are displaced at the end of the curved guide surface (12) over the rectangular cross section, so that the adjacent acute internal angle (15a, 15b) of the packaging is temporarily raised above 90 °, as C) can be seen from Figure 1.
    [016] The edges of the package (1) are not folded (3a, 3b) so that the package (1) assumes and maintains as much as possible the rectangular or square shape of the cross section (figure 1 d)) after standing upright.
    [017] The excessive elongation of the creases is only partially successful, since according to the characteristics of the texture of the card, sometimes it would have to be more or less elongated. However, individual stretching is not possible due to the constant movement path (14) of the suction gripper (9). In addition, the additional movement of the suction gripper (9) over-stretching takes time, thus increasing the removal and unfolding cycle. This prolongation of the cycle reduces the operating speed of all filling equipment.
    [018] In order to avoid too many changes in the speed of the filling machine, despite the extension, the packages are removed and unfolded with the highest possible speed. This results in the breaking of the folding edges (3a, 3b) located on the retaining elements (16, 17) causing a high level of noise development.
    [019] EP 0978 453 discloses a removal and unfolding device for the removal of a folded flat package from a compartment and for the unfolding of the partially removed packaging in an erected parallelogram packaging cross section, being delivered to a conveyor device comprising two conveyor belts for carrying the upright package along a conveyor path. The package is delivered to a conveying device which is in turn elongated by an elongation means, which is articulated in the removal and unfolding device. Reposition forces are reduced by stretching.
    [020] EP 0 356 824 A1 discloses a method for unfolding a flat folded package by means of a mounting device that introduces the folded packages flattened between the discharge rollers by means of a lifting conveyor being transported obliquely upwards. By means of an actuating device and also to support the folded surface of the packaging, it is unfolded in the lifting device, in which the internal angle between the packaging walls on the side of the external folding edges can be increased to about 180 °. In this way, a reduction in replacement forces is achieved. After that, the actuator device is moved on the side of the discharge rollers, the actuator device occupying an intermediate position so that the package is expanded in a square cross shape and maintained. Then, a discharge conveyor pushes the assembled package of square cross section to a pin wheel.
    [021] EP 0339 116 A2 describes a method for reducing the forces of replacing packaging in a cardboard installation device, in which the flat folded packages are removed individually from the compartment by means of suction cups and with the help of a guide element in a cross section that forms a rectangle-shaped package. Said conveyor transfers the upright package directly to the center in order to reduce the replacement force, and comprises two rotating belts which include two upper conveyor belts and two circumferential lower conveyor belts. The two upper conveyor belts that form the entrance side of a conical cavity that causes the internal angle to bend between the packaging walls on the external folding edges increasing to 180 °, while the packaging passes through the cavity. The flat folded package then enters a flat packaging lifting station. After lifting the flat folded package, it passes to a discharge conveyor that transmits the package to a filling machine.
    [022] DE 933 918 B discloses an apparatus for reducing the replacement force of an upright package in a filling machine, in which the flat folded packages are removed with the aid of a sharp spatula from below a compartment and upright in a cross section in the form of a square package. In order to reduce the replacement force, an expansion line is created on the surface of the upright packaging, which makes an oscillating movement on the side of the lower axis. During the reduction of the replacement force the removal spatula lifts the upright package on a fixed support, bending completely until the relaxation line of the package is completely flat. Then, the S3 • package is transported by a carrier.
    [023] US 5 007 889 A describes a device for removing and unfolding a folded flat package from a compartment, where the package is unfolded by an unfolding arm. During the removal of the packaging with suction cups arranged on a suction clamp, the force of replacement of the packaging is at the same time reduced by the internal angle 0 which is increased by means of the unfolding arm by more than 90 °. Based on this state of the art, the object of the invention is to provide a method that is adapted to the respective packaging material with the respective possibility of reducing the replacement force, without the cycle time for the removal and unfolding of flat packaging being increased. Additionally, a filling machine will be used to carry out the proposed method.
    [024] The solution to this problem is based on the idea of dissociating the reduction of the forces of replacement of the packaging from the process of removal of the split. More specifically, the objective is achieved with a method of the type initially mentioned, in which the replacement force is reduced by temporarily increasing the internal angle between the packaging walls in the external folding edges to more than 90 °, while the packaging upright is in the transport path of the transport device. The reduction of the replacement force is effected by means of a transport device arranged independently in the removal and unfolding device to reduce the replacement force.
    [025] The present invention uses an interval of free time in the transport path of the removal and unfolding device of the transport device to reduce the replacement force. This makes it possible to perform an excessive stretch adapted in shorter cycle times for the removal and unfolding process. Shorter cycle times allow for greater speed across the filling machine. The free time intervals in the conduction of the stage, the ordering of the downstream transport means that it occurs by static positions of the package and / or movement along the transport path. At least one working step, in particular the formation of the base of the packaging is carried out during an idle interval at a processing station along the transport path. The stop positions of the packages, for example, between a transfer position of the transport device and the processing station have a small unused interval of use. Likewise, the movement phase between the transfer position and the processing station is not used to act on the package.
    [026] By adapting the excessive stretching of the replacement force, the friction of the packaging during insertion or removal in the transport wheel is reduced; it also prevents the fully upright packaging from being twisted.
    [027] A filling machine to carry out the method according to the invention is characterized by a removal and unfolding device arranged independently in the transport device, to reduce the replacement force of the assembled package, temporarily increasing the internal angle between the walls the outer folding edges above 90 °. The removal and unfolding device unfolds the folded package into a cross section forming a parallelogram erected on the package. The packaging takes on unfolding the form of a packaging with a rectangular cross section. The removal and unfolding device does not cause a particular reduction in the replacement force on the unfolded rectangular cross section and therefore the internal angle between the packaging walls on the outer folding edges is increased to more than 90 °.
    [028] The transfer device is preferably operated in stages, to allow a perfect passage between the upright package to the transport device and the upright package to perform at least one processing step, such as forming the bottom of the container. packing.
    [029] Downtimes from the progressive stages of stopping the transport device are preferably used not only to carry out at least one work step, but also serve to reduce the replacement force. Alternatively, however, the replacement force can also be reduced during the movement of the upright package along the transport path.
    [030] Preferably during a transport stop operated by progressive steps to apply the purpose of reducing the replacement force in which the outer folding edges are moved in the diagonal transverse direction between the outer folding edges, so that the internal angle between the packaging walls on the outer folding edges is increased above 90 °. The length of the required stretching movement can be adapted to the height of the replacement forces depending on the materials.
    [031] A method to reduce the replacement force, especially during the movement of the packaging vertically along the transport path for a transport device operated in stages, characterized by the fact that the internal angle between the packaging walls at the edges external folding edges be increased above 90 ° on the two juxtaposed walls parallel to each other respectively hinged on the external folding edges. Due to the size of the rotation angle, this parallel articulation movement defines the reduction of the replacement force.
    [032] For the manufacture of packaging containers made of composite materials, conventional agents are checked so that the reduction in the force of replacement of the internal angle between the packaging walls at the outer folding edges preferably forms an increased angle in the range between 120 ° to 180 °. This increase is not reasonable in the interest of acceptable cycle times for removal and deployment in modern filling machines. According to the invention, it is even possible, due to the repeated time intervals now available in the transport path of the transport device, that the internal angle is temporarily increased by more than 90 °, in particular by at least 120 ° between the walls. packaging on the outer folding edges.
    [033] Due to its compact construction as well as its suitability for step-by-step operation, the removal and unfolding device on the transport device is preferably configured as a transport wheel featuring "a plurality of intake points parallels extending outwardly in radial direction for each package, with each intake point having several profiles and / or from which they are adjacent to the folding edges of the package, which can be added and in which the transport device has an actuator to make rotate the transport wheel on a rotation axis.) Common transport wheels on filling machines have four intake points uniformly arranged on the circumference of the rotation axis.The drive wheel drive is designed as a step unit, with what the supports can be brought into the packages according to the rotation of the transport wheel by a step angle, in particular 90 °, during u an immobilized position. After delivery of the upright package in transfer position to the downstream transport wheel, the transport wheel rotates around the angle so that further inclusion of the transport wheel rotates in alignment with the retaining elements in the removal and unfolding. This additional intake is followed immediately after the rotation movement by another pushed package. By rotating the transport wheel, the previously loaded intake of a package occurs especially in the stationary position.
    [034] However the device is activated to reduce the replacement force during the immobilization of the transport wheel and at or during the rotation of the transport wheel around the angle in the above mentioned step.
    [035] A device for reducing the spare force during immobilization of the transport wheel can be particularly advantageous for integrating into the filling machine in which each container comprises at least one first profile, which can be brought close to one of the two edges external folding of the package at least, and the admission of at least two second profiles that can be brought into the system on the other side of the two external folding edges of the package.
    [036] The recovery force of the cross section forming an upright rectangular packaging makes the packaging firmly held in at least three intake profiles. If the engraving has only a first profile, this is preferably done as an angle section, which can be brought to the folding edges. The second two profiles, which can be brought to the opposite external folding edges are preferably designed as bars.
    [037] On a transport wheel equipped with first and second profiles, it is provided as a device to reduce the replacement force, preferably during the stop of the transport wheel for at least one of the two external folding edges temporarily brought to the system by a supplied actuator element, are moved in the direction of the outer folding edges of the packages The distance between the second profiles of the outer folding edges is preferably determined so that the thrust element through the bars towards the curved outer end is movable. During the immobilization of the transport wheel, the stationary fixed impulse element compresses the package along the diagonals of the cross section so that the internal angle between the walls of the package is increased by more than 90 ° at the outer folding edges. The path of the thrust element in the direction of the diagonal cross-section is determined until the replacement force is broken. So the packaging is supported on the first intake section. After removing the actuator element, the packaging is erect until two system profiles are accepted for the second. .
    [038] In an embodiment of the invention, it is also conceivable that the intake comprises the first and second profiles, respectively organized as angular section profiles, which can be brought to the external folding edges of the system. One of the two said angular profiles is designed as a part of the impulse element being temporarily removable in the direction that extends between the external folding edges of the upright diagonal cross section of the package.
    [039] Virtually complete integration of the device to reduce the replacement force of the transport wheel is achieved by the fact that each intake point has a pair of first supports, the first two supports receiving one of the two external folding edges and one of the two internal folding edges of the package, each receiving two second supports, in which the two supports accept the other of the two external folding edges, and the other of the two internal folding edges of the packaging, in which the first two supports are stationary on the transport wheel and the second supports are pivotally arranged on the transport wheel, so that two opposing packaging walls are parallel to each other pivotally to one of the two external folding edges. Through the articulation of the two second supports or during the immobilization of the rotation of the transport wheel, the internal angle between the packaging walls is temporarily increased by more than 90 ° in the external folding edges, thereby breaking the replacement force.
    [040] Another advantage for the filling machine with the supports arranged in an articulated manner is that the transfer of the upright packaging in the transport device can already take place when the folded packaging is mounted in the cross section in the form of a parallelogram, the section being cross section of only about 1/3 of the rectangular cross section of the package completely upright. The only partially upright package is pushed into the intake of the transport wheel, which is due to the second supports hinged and capable of securely receiving the partially upright package. This allows the partially upright transport cover to be configured on the downstream transport device.
    [041] The two second supports of each container are preferably mechanically connected to each other and form the coupling arranged on the transport wheel. Likewise, the first two supports can be connected together to a single profile. The articulation movement of the two second supports causes the erection of the package to be formed until it reaches a rectangular or square shape
    [042] of cross-section During the continuation of the rotation movement, the replacement force is reduced. The filling machine comprises a device for rotating the second pair of supports, and also for reducing the replacement force. -
    [043] The device comprises a cylindrical thrust mechanism with a stationary cylindrical curved body that is coaxial to the axis of rotation of the transport wheel, which is arranged on the shoulder of the curved body, on the curve of the curved cylinder with a detection element and a coupling, which is connected to one side of the detection element and on the other side is associated with the second supports. The cylinder curve in the cylinder body has been designed in such a way that firstly the second pair of supports lift the package so that it forms a rectangle or a square. The additional stroke of the cylindrical curve causes the rotation movement to continue, so that the internal angle between the packaging walls on the outer folding edges is increased by more than 90 °. With the design of such a cylindrical curve shape, the device for reducing the replacement force is active during the rotation of the transport wheel.
    [044] As long as the device described above for reducing the replacement force is activated during the stop of the step-operable transport wheel, a part of the curved section of the cylinder is placed at least in one direction displaceable from the curved body segment in the direction of the axis of rotation of the transport wheel. The detection element reaches the section of the cylindrical curve at the moment the package is erected to form a rectangle or a square. Then move the section of the cylindrical curve, such as a plunger mechanically operated from an initial position, in the direction of the rotation axis of the transport wheel, so that the articulation movement of the seconds is triggered despite the stop the transport wheel. After the displacement of the second supports for the purpose of reducing the replacement force, the displaced segment of the curved body is retracted to its initial position, so that the cylindrical curve section of the movable segment is again aligned with the others, fixedly fixed on the curved body in the cylindrical boss. In a next step, the cylindrical shoulder has an annular shape, so that the second supports are no longer movable during the next rotation of the transport wheel by a step angle not being movable during rotation over the last step angle, until that are transferred by the movement of the transport wheel, so that the partially upright package is inserted at the intake point.
    [045] The invention will be explained in more detail with reference to figs. that follow. In the figures:
    [046] Figure 2 is a schematic perspective
    [047] Partial view of a filling machine, before activating a device to reduce the replacement force,
    [048] Figure 3 is a partial view of the filling machine
    [049] Figure 2, during activation of the replacement force reduction device,
    [050] Figure 4 a - d a schematic view of the illustration of removing and unfolding packages from a compartment by a filling machine according to figures 2 and 3,
    [051] Figure 5 a - b a schematic view
    [052] Illustration of the reduction of the replacement force in a filling machine according to figures 2 and 3,
    [053] Figure 6 is a schematic perspective
    [054] Partial view of a second modality of a filling machine, during the reduction of the replacement force of one package and the simultaneous transfer of another package to a transport device,
    [055] Figure 7 shows a partial view of the filling machine according to figure 6, during the rotation of the transport wheel,
    [056] Figures 8 a - d a schematic representation to illustrate the reduction of the replacement force in a filling machine according to figures 6 and 7,
    [057] Figures 9 a - f schematic perspective
    [058] partial views of a third modality of a filling machine in which the replacement force is reduced during the rotation of the transport wheel and
    [059] Figure 10a-c a schematic representation of the illustration of the reduction of the replacement force in a filling machine according to figures 9 a - f.
    [060] The filling part illustrated in figures 2-10 of the present invention for filling liquid food in packaging containers comprising related elements, such as the filling machine partially illustrated in figure 1 according to the prior art, has been corresponding reference numbers are used. In addition, additional reference is made to the explanations shown in figure 1 for the filling machine.
    [061] In a frame (20) of the filling machine according to figures 2-5, there is an entrance to the compartment guide line (2) to receive the folded flat packages (1) for the manufacture of the container of packaging. The compartment (2) comprises support profiles (21 a, b) connected to the external folding edges (3 a, b) of the packages (1) for delivery. The removal side (7) of the compartment (2) has two front packaging walls (5 a, b) of the four joint packaging walls (5a, b, 6a, b) of each free packaging (1). The removal and unfolding device is arranged on the guide line of the compartment (2) of the downstream filling machine and one includes a suction gripper (9) with three pneumatic suckers to detect the removal of the side (7) of the packaging wall free (5 a). The suction gripper (9) is arranged in a displaceable manner along a straight travel path (23) perpendicular to the packaging wall (5a).
    [062] The removal and unfolding device has a flat guide surface (24) for the outer folding edges (3b) of the other of the two free walls of the package (5 b) of the package (1). The flat guide surface (24) guides the sliding outer folding edges (3b).
    [063] In the direction of the moving path (23) behind the flat guide surface (24) there is a fixed retaining element (17) for receiving the folding edge (3a). The retaining element (25) for receiving the outer folding edge (3a) diametrically opposite is located between an exit position in figures 4 a - c and an end position, in figure 4 shown by means of a movable actuator in a reciprocal forward movement. Both the fixed retaining element (17) and the movable retaining element (25) are constructed with an angled profile. The two mutually angled surfaces of the angled sections are arranged to introduce the final position in the device shown in figure 4 d for the packaging walls (5a, 6a or 5b, 6b).
    [064] As shown in particular in figures 4 a - d, the distance between the flat guide surface (24) and the circulation path (23) of the suction clamp (9) from the side of removal (7) from the compartment (2) to the retaining elements (17, 25).
    [065] To pass to one of the retaining elements (17, 25) completely, forming the vertical position in cross section of a square package (1) for one of the removal and unfolding devices of the downstream transport device (26) to delivered to the filling machine (9) is the suction clamp with an actuator (22) that moves vertically up and down.
    [066] The transport device (26) comprises a rotation about an axis (28-A) of the rotating transport wheel (29) having four intake points that extend radially outwards, each showing a first profile (30) and two second profiles (31). The first profile (30) is designed as an angle guide and is on the outer folding edge (3 b) brought into the system. The second two profiles (31) are constructed as profile bars, being installable immediately adjacent to the folded outer edge (3 a). The first and second profiles (30, 31) form cells in which the folded packages are inserted with a rectangular cross section. The axis of rotation (28 a) of the transport wheel (29) is in a vertical plane transverse to the guide line (23) of the filling machine. The transport wheel (29) is rotated by an actuator not represented in steps rotating 90 ° around the axis of rotation (28a). From the transport wheel (29), the packages (1) are delivered to another transport device not shown in the figures, to carry out the processing steps for the packages.
    [067] In the transport device there is a device (32) for reducing the replacement force. The device (32) for reducing the replacement force comprises a thrust element (33) which is connected to a movement actuator (35) by means of an arm. The thrust element constructed as an angular profile (33) extends parallel to the external folding edges (3 a), with which it is temporarily in contact, and the folding edge (3a) is applied between the angular profile on the formed edge on the inside (36). The motion actuator (35) is attached to the frame (20) of the filling machine.
    [068] The filling machine according to figures 2, 3 works as follows:
    [069] After the packaging has been removed and unfolded (1), it is inserted into the inlet vertically directed downwards from the transport wheel (29). Subsequently, the transport wheel (29) is turned counterclockwise (37) by a step angle of 90 ° with the aid of the actuator not shown, so that the previously loaded intake reaches a right horizontal immobilization position. In this immobilization position of the transport wheel (29) the movement actuator unit (35) of the device is activated to reduce the replacement force, in order to support the actuator element (33) on the external folding edge (3 to ). During the movement of the actuator element (33), the packaging walls (5 a, 6 a) are released from the second bar-shaped profiles (31) while the external folding edges (3 a, b) move in the direction diagonal cross section (38) on top of each other. In this way the internal angle (39) between the packaging walls (5a, 6a and 5b, 6b) at the outer folding edges (3 a, b) has been increased above 90 °, as is clearly seen in figure 5 b. This increase in the internal angle (39) interrupts the tension force on the folding edges (3 a, b) as well as on the internal folding edges (4a, b). Then, the actuator element (33) is retracted by means of the movement unit (35) to the initial position, so that the package (1) once again takes on a rectangular cross section having, however, a reduced replacement force. Finally, the transport wheel (29) is also rotated by a 90 ° step angle, so that the intake side vertically oriented downwards from the admitted package (1) reaches the horizontal stop position to the right, reducing the replacement force.
    [070] The filling machine shown in figures 6 and 7 differs, although not completely from the filling machine illustrated in figures 2 and 3, in which a vertical rectangle or square of packaging (1) is delivered to the wheel inlet. carriage. In addition, the device (32) has a different structure to reduce the replacement force. Then the filling machine shown in figures 6 and 7 has combined components just like the filling machine partially shown in figures 2 and 3, with corresponding reference numbers used. In addition, reference is made to the explanations to avoid repetition of references.
    [071] The transport wheel (29) also has four intake points, each intake point comprising a first profile, which extends radially outward (40) and is fixedly arranged on the transport wheel (29). The first profile (40) is angled at the side edges. The angled profiled parts form the first supports (41) for receiving the outer folding edge (3-A) and the inner folding edge (4a) of the package (1). A second profile (42) also extends radially outwardly and is also curved at the ends. The angular segments form second supports (43) for receiving the other outer folding edge (3b) and the other inner folding edge (4b) of the package (1). The second profile (42) is constructed as a coupling of a coupling mechanism with four articulations, which converts a straight movement of a rod (44) into an oscillation movement of the second profile (42). The coupling mechanism comprises two levers (45) for one end of an extension of the second section (42) arranged on supports (46) pivotally and at the other end pivoted with the axis (28 b) of the transport wheel (29). The joints (45) move parallel to the side walls (6 a, 5 b) of the package (1).
    [072] The rod is made in two parts. The rod is divided into an angular part (44 a) and a simple part (44 b). The angular part (44 a) is articulated at the bottom of the second profile (42). At the end opposite the angled part (44a), it is pivotally connected to the simple part. The simple part (44 b) is connected to the distal end with a detection element (47) in the form of a curved roller. The single section (44 b) is rotatably fixed with the shaft body (28 b), the associated guide element (48) guiding the transport wheel (29) in the direction of the axis of rotation (28 a). The detection element (47) is part of a cylindrical curved mechanism (49). The curved cylindrical mechanism (49) is presented coaxially in relation to the axis of rotation (28 a) the transport wheel (29) having a fixed position in the frame (20) of the curved body (50). In the curved body (50) there is a cylindrical curve (51) inserted in the form of a groove that leads the detection element. A section (52) of the cylindrical curve (51) forms part of a curved body (50) in the direction of the axis of rotation (28) of the movable segment (53). The segment (53) is on a bottom (54) of the curved body (50) by means of an inward and outwardly movable actuator element (55). The movement occurs through an actuator not shown.
    [073] Next, the method for reducing the replacement forces, in packages (1) in a filling machine according to figures 6 and 7, with reference to figures 8 to d illustrated in more detail.
    [074] Figure 8 shows a view of the intake vertically directed down from the transport wheel (29). In this position, only a parallelogram lifted from the packaging (1) is pushed into the intake. In the present embodiment, the package (1) is upright in the shape of a rhombus, which has about 1/3 of the square cross-sectional area of the upright package (1). Subsequently, the transport wheel (29) is also rotated through a 90 ° step angle clockwise (56), so that the intake level points to the left (see figure 6). During this 90 ° rotation, the detection element (47) on the curve of the cylinder (51) is guided inwards towards the transport wheel (29) through which the rod (44) moves the second section (42) in the stop position as shown in figure 8. In Figure 8 b, the inlet stop position is shown, indicating to the left of the box the packaging (1) upright in cross section in the form of a square. To now reduce the recovery forces of the folding edges (3a, b, 4a, b) in the packaging (1) the internal angle (39) between the packaging walls (5a, 6a or 5b, 6b) of the external folding edges (3a and 3b) has an increase of more than 90 °. In the position shown in figures 8 b, c horizontal that points to the position to the left of the intake, the detection element (47) is in the section (52) of the slidingly arranged segment (53) of the curved body (50). With the aid of the detection element (55) the segment (53) has now been moved in the direction of the axis of rotation (28 a) in the direction of the transport wheel (29) through which the second profile (42) in the opposite direction to of figure 8 a) oscillates in the position of Figure 8 c). In this way, the internal angle (39) is increased to a value greater than 90 °, in the illustrated embodiment, to about 130 °. Then, during the stop, the perpendicular element oriented to the left position of the detection element inlet (55) is retracted to the section (52) and again aligned with the rest of the cylindrical curve (51), as can be seen in the figure D).
    [075] Now two further rotations of the transport wheel (29) are followed by a 90 ° step angle, in which the package (1) completely erect and elongated at the folding edges maintains its square cross section. This is achieved as the sensing element (47) during subsequent rotations of about two steps at an angle of 90 ° is guided in an annular section (57) of the cylindrical curve (51). Since the intake points horizontally to the right, the upright folding cover has a reduced replacement force to later be clearly delivered to the transport device not shown. During the subsequent rotation of the intake from this transfer position of 90 ° in relation to the vertical transfer position directed downwards (figure 8a) the detection element (47) was guided to the outer section (58) of the cylindrical curve (51 ) whereby the second articulating profile (42) moves to the position shown in figure 8 a, to assume another upright part of the package (1).
    [076] In figures 9a - f the filling machine according to the invention is shown partially and corresponds substantially to the filling machine according to figures 6 and 7. When the filling machine includes harmonized components, reference numbers are used. In addition, reference is also made to the notes on the filling machine according to figures 6, 7.
    [077] The main difference between the filling machine of figures 9a) - f) and the filling machine according to figures 6 and 7 is that the reduction of the replacement force acts only during the movement of the packaging vertically (1 ) along the transport path of the transport wheel (29) which however does not occur during the immobilization of the transport wheel, as in the embodiments of the filling machine according to figures 2 or 6 and 7 respectively. The transport wheel intakes are designed consistently, as shown in figures 6 and 7, with local reference versions being made in this regard. The device (32) for reducing the replacement force differs from that for the filling machine according to figures 6 and 7, characterized by the fact that no part (52) of the cylindrical curve (51) is arranged in a segment of sliding (53) of the curved body (50). A displaceable segment (53) is not necessary since the movement of the second profile (42) is guided only by the movement of the sensing element (47) in the continuous curve of the cylinder (51) during the rotation of the transport wheel (29) .
    [078] Subsequently, the complete assembly of the packaging and the subsequent stretching of the packaging edges (3a, b, 4 a, b), described in more detail:
    [079] Figures 9 a), 10 a) show the transport wheel (29) with an inlet point pointing downwards in which the cross section of a non-square parallelogram of the packaging takes place (1). The detection element (47) is located on the cylindrical curve (51) at the maximum possible distance to the transport wheel (29). During the subsequent rotation of the transport wheel clockwise (56) by a 90 ° step angle, the sensing element (47) is guided to an inner section (59) of the cylindrical curve (51) in the direction of the transport wheel (29) through which the rod (44) of the second profile (42) has an articulated position in figures 9c), 10 b. In this position the two internal angles (39) between the packaging walls at the outer folding edges (3 a, b) with an increased angle above 90 °, in the illustrated embodiment of about 140 °, consequently reducing the replacement forces exit from the folding edges (3a, b, 4 a, b).
    [080] Then, the transport wheel (29) is further rotated by a 90 ° step angle, through which the detection element (47) passes through a section (58) of the cylindrical curve (51). In this way the second profile (42) is articulated by the connecting rod (44) in the position shown in figures 10 c), 9 e), in which the package (1) has the desired square cross section with reduced replacement forces. The intake points are vertically upwards. In this position, a processing step can be performed on the fully assembled package, such as forming the base of the package.
    [081] At a 90 ° pitch angle clockwise (56) the position still rotates, with the intake pointing horizontally to the right, and the worked package (1) can be transferred to a downstream transport device .
    [082] The rotation movement between the vertical position with an intake directed upwards, to the reception position horizontally oriented to the right intake is made without any rotation of the second profile. For this purpose, the detection element (47) in an annular shape, as seen in figure 10 c) is guided in a section (57) of the cylindrical curve (51).
    [083] The device of figure 9 described above is particularly used when the carton processed in the filling machines has a substantially constant characteristic and the size of the oscillation amplitude of the second profile (42) does not need to be changed to reduce the force of replacement. The device of figures 6 and 7 is, however, used especially in filling machines in which the packages (1) are treated with different cardboard textures. By adjusting the course of the guided displaced segment (53) the amplitude of the swinging movement of the second profile (42) can be adapted to the nature of the card. List of reference numbers

    权利要求:
    Claims (12)
    [0001]
    1. Method for reducing the forces of replacement of packages (1) in a filling machine, in which each folded and flattened package (1) comprises four packaging walls (5a, b, 6a, b) separated from each other by edges external folding (3a, b) and internal (4a, b) parallel to each other, and the external folding edges (3a, b), respectively, include a sharp internal angle (39) between the packaging walls (5a, b , 6a, b), which comprises the following steps, - insertion of flat folded packages (1) into a loader (2) of the filling machine, - removal, by a removal and folding device, of a folded flat package (1 ) of the loader (2) and unfolding the folded flat package (1) to form an upright package (1) of cross-section in the form of a parallelogram and - delivery of the upright package (1) by means of a delivery device to a device conveyor (26) downstream of the removal and unfolding device in order to transpose remove the upright package (1) along a transport path, in which at least one step of the process is carried out in the upright package while the upright package (1) is in the transport path of the transport device (26) characterized by transferring the upright package (1) to the transport device (26), which comprises a transport wheel (29), with several inlet points that extend, respectively, radially outward for each package (1), at which point intake manifold has a plurality of profiles (30, 31,40, 42) with connection and / or adjacent to the folding edges (3a, b) that can be applied to the packaging (1) and in which the transport device (26) features an actuator to rotate the transport wheel (29) on a rotation axis, reducing the replacement force, by temporarily increasing the internal angle (39) between the packaging walls (5a, b, 6a, b) , on the outer folding edges (3a, b) at an angle greater than 90 °, and while the upright package (1) is in the transport path of the transport device (26), where the transport device (26) is operated in stages, causing the reduction of the replacement force during immobilization of the upright package (1 ) during the transport path or during a movement of the upright package (1) during the transport path.
    [0002]
    Method according to claim 1, characterized in that the internal angle (39) between the packaging walls (5a, b, 6a, b) on the outer folding sides is increased above 90 ° on the outer folding edges ( 3a, b) in the direction of diagonal cross section between the outer folding edges (3a, b) of the upright package (1) moving one over the other.
    [0003]
    Method according to claim 1 or 2, characterized in that the internal angle (39) between the packaging walls (5a, b, 6a, b) on the outer folding sides is increased above 90 ° between the walls parallel sides (6a, 5b) of the package, respectively, so as to rotate on one of the two outer folding edges (3a, b).
    [0004]
    Method according to any one of claims 1 to 3, characterized in that the internal angle (39) between the packaging walls (5a, b, 6a, b) in the outer folding edges is increased to an angle at an interval between 120 ° and 180 °.
    [0005]
    5. Filling machine for filling products in a packaging container comprising - a compartment (2) for receiving folded and flattened packages (1) for the manufacture of packaging containers, in which each folded and flattened package (1) has four packaging walls (5a, b, 6a, b) separated from each other by internal (4a, b) and external (3a, b) folding edges parallel to each other and the external folding edges (3a, b ) respectively includes an acute internal angle (39) between the packaging walls (5a, b, 6a, b), - a removal and unfolding device for removing the respective packaging (1) flat and folded from the compartment ( 2) and to unfold the flat, folded package (1) to form an upright package (1) to form a parallelogram in cross section, - a transfer device for transferring the upright package to a downstream transport device (26 ) to transport the package upright (1) along a transport path, characterized by a device to reduce the replacement force (32) of the upright package (1), located in the transport device (26) for temporary increase of the upper internal angle (39) at 90 ° between the packaging walls (5a, b, 6a, b), at the outer folding edges (3a, b), where the transport device (26) comprises the transport wheel (29) having several points of inlets that extend radially outwards for each package (1), each inlet point having a plurality of profiles (30, 31,40, 42) with connection and / or adjacent to the folding edges (3a, b) of the package (1) and in which the transport device (26) has an actuator for rotating the transport wheel (29) on an axis of rotation.
    [0006]
    6. Filling machine according to claim 5, characterized in that the actuator is designed as a thrust actuator, with which the intake points for the packages (1) after the rotation of the transport wheel (29) can in an angle of the step be brought to a stationary position in which the device for reducing the spare force (32) during the stop of the transport wheel can be activated.
    [0007]
    7. Filling machine according to claim 5, characterized in that the actuator is designed as an impulse actuator, with which the intake points for the packages (1) after the rotation of the transport wheel (29) can in one angle of the step to be brought to a stationary position, in which the device for reducing the spare force (32), during the stop of the transport wheel (29), can be activated.
    [0008]
    Filling machine according to claim 6, characterized in that - the intake point has at least one first profile (30) in which one of the two outer folding edges (3b) of the package (1) can be arranged at one of the two folding edges (3b) of the package (1) and - the intake point has at least two second profiles (31) which can be arranged on the packages (1), next to the other two folding edges (3a).
    [0009]
    Filling machine according to claim 6 or 7, characterized in that - the intake points have two first supports (41) for admitting one of the two outer folding edges (3a) and one of the inner folding edges (4a) of the packaging (1), - the intake points have two second supports (43), for the admission of the other of the two outer folding edges (3b) and the other of both inner folding edges (4b) of the packaging (1), - the first two supports (41) are arranged fixed to the transport wheel (29) and - the second supports (43) are movable articulated to the transport wheel (29), so that the movement articulated of the two supports (29), arranged on the juxtaposed packaging walls (6a, 5b), parallel to each other, in which each of the outer folding edges (3a, b) is articulated.
    [0010]
    10. Filling machine according to claim 6 or 8, characterized in that the device for reducing the replenishment force (32) comprises at least one of the two external folding edges (3a, b) temporarily acting on an element (33) actuator being movable between the outer folding edges (3a, b) of the upright package (1) which extends transversely diagonally.
    [0011]
    Filling machine according to claim 9, characterized in that the apparatus for reducing the replacement force (32) comprises - a cylindrical mechanism (49) having a stationary fixed cylindrical body (50), the axis of rotation ( 28a) of the transport wheel (29) being arranged coaxially, - the curve of the cylinder, (51) is arranged in the curved body (50), - has a sensing element guided (47) in the curve of the cylindrical (51) and - a coupling (44) is connected on one side with the detection element (47) and on the other side with the second articulated supports (43).
    [0012]
    Device according to claims 6 and 11, characterized in that at least one section (52) of the cylinder curve (51) is arranged towards the axis of rotation (28a) in a movable segment (53) of the curved body ( 50).
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    同族专利:
    公开号 | 公开日
    DE102012102812A1|2013-10-02|
    RU2014143644A|2016-05-27|
    CN104245516B|2016-09-07|
    CN104245516A|2014-12-24|
    US10011379B2|2018-07-03|
    US20150068163A1|2015-03-12|
    EP2819924A1|2015-01-07|
    EP2819924B1|2016-06-08|
    WO2013143892A1|2013-10-03|
    RU2595011C2|2016-08-20|
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    法律状态:
    2018-03-27| B15K| Others concerning applications: alteration of classification|Ipc: B65B 43/18 (2006.01) |
    2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according art. 34 industrial property law|
    2019-10-08| B06U| Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure|
    2020-06-23| B06A| Notification to applicant to reply to the report for non-patentability or inadequacy of the application according art. 36 industrial patent law|
    2020-10-20| B09A| Decision: intention to grant|
    2021-01-05| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 15/03/2013, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102012102812.5|2012-03-30|
    DE102012102812A|DE102012102812A1|2012-03-30|2012-03-30|Apparatus and method for reducing restoring forces of packing coats in a filling machine|
    PCT/EP2013/055477|WO2013143892A1|2012-03-30|2013-03-15|Device and method for reducing restoring forces of packaging sleeves in a filling machine|
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