US20070264115A1 - Method and Device to Form Stacks - Google Patents

Method and Device to Form Stacks Download PDF

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Publication number
US20070264115A1
US20070264115A1 US10/594,205 US59420505A US2007264115A1 US 20070264115 A1 US20070264115 A1 US 20070264115A1 US 59420505 A US59420505 A US 59420505A US 2007264115 A1 US2007264115 A1 US 2007264115A1
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Prior art keywords
compartments
objects
compartment
path
series
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US10/594,205
Inventor
Heribert Orth
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OPTIMA filling and packaging machines GmbH
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OPTIMA filling and packaging machines GmbH
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Assigned to OPTIMA FILLING AND PACKAGING MACHINES GMBH reassignment OPTIMA FILLING AND PACKAGING MACHINES GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ORTH, HERIBERT
Publication of US20070264115A1 publication Critical patent/US20070264115A1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/02Devices for feeding articles or materials to conveyors
    • B65G47/04Devices for feeding articles or materials to conveyors for feeding articles
    • B65G47/06Devices for feeding articles or materials to conveyors for feeding articles from a single group of articles arranged in orderly pattern, e.g. workpieces in magazines
    • B65G47/08Devices for feeding articles or materials to conveyors for feeding articles from a single group of articles arranged in orderly pattern, e.g. workpieces in magazines spacing or grouping the articles during feeding
    • B65G47/082Devices for feeding articles or materials to conveyors for feeding articles from a single group of articles arranged in orderly pattern, e.g. workpieces in magazines spacing or grouping the articles during feeding grouping articles in rows
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G57/00Stacking of articles
    • B65G57/02Stacking of articles by adding to the top of the stack
    • B65G57/08Stacking of articles by adding to the top of the stack articles being tilted or inverted prior to depositing
    • B65G57/081Stacking of articles by adding to the top of the stack articles being tilted or inverted prior to depositing alternate articles being inverted
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G57/00Stacking of articles
    • B65G57/02Stacking of articles by adding to the top of the stack
    • B65G57/16Stacking of articles of particular shape
    • B65G57/20Stacking of articles of particular shape three-dimensional, e.g. cubiform, cylindrical
    • B65G57/22Stacking of articles of particular shape three-dimensional, e.g. cubiform, cylindrical in layers each of predetermined arrangement

Definitions

  • the invention concerns a method and a device to form stacks of objects.
  • stacks are frequently created that need to be subsequently packaged.
  • the packaging frequently occurs in the form of stacks in which the objects are arranged side-by-side. However, they are manufactured and delivered sequentially in the production facility. In order to package them as a stack, the sequentially delivered objects need to be arranged so that they form a stack.
  • a second possibility is to shove the objects into compartments of a compartment device that has a plurality of compartments that for example are moved along a closed path. By generating an apparent stoppage, several objects can then be simultaneously ejected and form a stack after leaving the compartments.
  • a device to form stacks is already known (U.S. Pat. No. 5,897,292) where a plurality of compartments is moved along a closed path.
  • the compartments are separated from each other by compartment walls.
  • the compartment walls are connected to each other on the inside so that an object shoved into them remains in the compartments.
  • the compartment walls are not joined so that an object shoved into them can be shoved through the compartment walls.
  • a transport device is then used to shove the object in reverse orientation into a compartment at that location on the opposite side. Neighboring objects then lie against each other in reverse orientation.
  • the invention is based on the task of providing a method and/or a device for forming stacks that improves stacking under specific conditions.
  • the invention proposes a device with the features of claim 1 and/or a method with the features of claim 11 . Developments of the invention are the subject matter of the respective dependent claims.
  • the device is used to first insert the objects into the compartments, and one object lies in each compartment. In certain circumstances, it is also conceivable for two parallel objects to be arranged in each compartment. Then as processing proceeds, an individual object is removed, for example ejected. This object is then shoved into another compartment. Individual objects can be reoriented in this manner.
  • a special application addressed by the invention is when the objects have a certain asymmetry, for example they are thinner toward the front than towards the back. To form stacks, especially when the objects do not have a stable shape, it is recommendable to orient two neighboring objects opposite each other so that the face that is less thick neighbors a face of the neighboring object that is thicker.
  • the invention can also be used in procedures where such an alternating orientation is desired for other specific reasons.
  • the steps of the method proposed by the invention are as follows: The objects are first arranged next to each other in compartments, and preferably no compartment remains free. While inserting the objects sequentially, the series of compartments is preferably continuously moved perpendicular to the compartment arrangement. Then the individual object is removed from the series of adjacent objects and inserted into an empty compartment. At a withdrawal site, a serious of adjacent objects is then removed from the compartments and ejected as a stack.
  • the transfer device can be designed so that it inserts the object into the same compartments of the compartment series from which it removed the object. This can for example be achieved by storing the removed object for a certain period in the transfer device until the object can be reinserted into the same compartment.
  • the transfer device can be designed so that it removes the object from the compartment, possibly storing it for a while, and then reinserts it into the one or other compartment without changing the orientation of the object.
  • the possible reorientation in relation to the neighboring objects arises from the remaining objects in the compartments executing a different movement.
  • the compartment device can be designed so that it moves the compartments along a path having two at least approximately parallel sections, and these two sections move in opposite directions.
  • the path along which the compartments are moved can be a closed path that for example has two parallel or approximately parallel sides.
  • the compartments can be located on a revolving chain, belt, etc., or on any other transmission means that moves along a closed path.
  • a supply device that guides the objects sequentially and shoves them into the empty compartments.
  • the device can have a device to generate an apparent stoppage at this site of the ejection device.
  • This apparent stoppage can be achieved by moving the two deflection wheels (around which the chain runs) together in a linear fashion at a specific speed, but of course only for a certain period.
  • the transfer device can advantageously have a servodrive for two directions of movement to initially elevate the object to be removed, and then horizontally eject it perpendicular to the direction of movement of the series of compartments.
  • the transfer device is designed to transfer a plurality of individual objects out of and into non-neighboring compartments.
  • FIG. 1 shows a schematic overhead view of a device according to the invention
  • FIG. 2 shows an enlargement of the state shortly before two objects are ejected
  • FIG. 3 shows a situation similar to FIG. 2 during ejection
  • FIG. 4 shows a situation similar to FIG. 2 and 3 shortly before the ejected object is inserted into the series of compartments at another place along its path of movement;
  • FIG. 5 shows a simplified representation of a part of the transfer device.
  • FIG. 1 portrays a compartment device 1 having a chain 2 that is guided around two rotating, mounted deflection wheels 3 .
  • the deflection wheels 3 have a vertical rotary axis 4 .
  • the chain 2 is tightened so that it is taut.
  • On the outside of the chain 2 there are compartments 5 that are delimited by two sidewalls 6 .
  • the compartment walls 6 are either affixed to the chain 2 , or are at least mounted so that they are entrained by the chain 2 .
  • the device that moves the compartments 5 is perpendicular to the compartment arrangement. Only some compartments 5 are shown in FIG. 1 for reasons of simplification.
  • the vertical bearing axes 4 of the two deflection wheels 3 are on a common rail so that the entire arrangement can be moved to the right and left, i.e. in a direction parallel to the connecting axis of the two bearing axes 4 .
  • this movement is executed, the two sides of the chain 2 remain in the same plane.
  • two drive gears 7 are provided that are driven independent of each other via a drive and are also controlled independently of each other.
  • both drive gears 7 are driven at the same speed, the position of the two deflection wheels 3 remains constant.
  • one of the drive gears 7 is driven faster, the entire arrangement consisting of the chain and deflection wheels 3 shifts. It is thereby possible to bring about an apparent stoppage of one side of the chain 2 at a specific location.
  • a supply device 8 that sequentially accepts objects 9 coming from a production system and shoves them into compartments 5 .
  • the objects 9 first lie flat and are set upright by the supply device 8 .
  • the supply device 8 has two conveyor belts 10 between which the objects 9 are arranged. Each conveyor belt 10 is guided around two rollers 11 . At the entry into the supply device 8 , the two rollers 11 are horizontal, and at the output end of the supply device 8 , they are vertical. The objects 9 are thereby rotated when they are transported.
  • the objects 9 are then arranged in the compartments 5 and are moved in the direction of the arrow 13 .
  • An ejection device 14 is approximately at the same location on the opposite side of the device, and it uses a slide 15 to shove out a series of neighboring objects out of the compartments 16 perpendicular to the direction of transport. This ejection is indicated by the wide arrow 17 .
  • FIG. 1 Between the two sides 2 a , 2 b of the chain 2 , there is a transfer device 20 that is shown in FIG. 1 in a very simplified form.
  • the transfer device 20 is designed so that an individual object 9 in a compartment 5 is removed from the compartment 5 on side 2 a and moved to the opposite side where this object 9 is inserted into an empty compartment on side 2 b without changing its orientation.
  • an individual object can be ejected from above to below in FIG. 1 , and the ejection movement and chain 2 transportation are harmonized so that the object 9 enters an empty compartment on side 2 b . Since all the objects in the compartments of side 2 b that execute this movement change their orientation by traveling around the deflection wheel 3 , the orientation of the object ejected by the transfer device 20 is opposite that of the other neighboring objects in the two adjacent compartments.
  • FIGS. 2 and 3 show an enlarged section of side 2 a
  • FIG. 4 shows a section from side 2 b on the same scale.
  • FIG. 2 therefore shows a section from the compartment device with five compartments that each contain one object 9 .
  • each object 9 is represented as a triangle.
  • the objects 9 are conveyed by the supply device 8 in the same alignment as they leave the production facility.
  • On side 2 a all objects 9 have the identical orientation.
  • the transfer device 20 contains a plurality of individually or jointly actuatable slides 21 that contact two objects 9 .
  • These two objects 9 a are in two compartments 5 that are separated from each other by an additional compartment 5 .
  • the distance between the two slides 21 in the direction in which the compartment device is transported is twice as large as the distance between two neighboring compartments 5 .
  • the two slides 21 contact the objects 9 a, and move them outside of the compartments perpendicular to the direction of movement 13 of the compartment device.
  • the objects 9 a assume the intermediate position shown in FIG. 3 , and pass from there between the guide walls 22 indicated in FIG. 1 . Without changing their orientation, the objects 9 a are then advanced further either by slides 21 or another slide until they are shoved into the available empty compartments on side 2 b .
  • the empty compartments 5 on side 2 b can be the same compartments from which the objects 9 a were ejected. This can be accomplished by slowing the movement within the guide walls 22 , or waiting until the corresponding compartment is on the opposite side.
  • the orientation of the objects 9 , 9 a at this location is alternatingly opposite so that, when the objects are ejected by the ejecting station 14 , a compact and well-aligned stack arises.
  • the stack has been adjusted to compensate for the asymmetrical shape of the individual objects.
  • the asymmetry in the drawings has been strongly exaggerated.
  • the transfer device has brought about the reorientation of each second object without requiring a complicated path of movement. This reorientation without complicated movement is particularly helpful for objects that would create a stack that is difficult to handle because of their asymmetry. This method can also be used in all other cases in which the resulting stack requires an alternating orientation, even when the objects are not asymmetrical.
  • FIG. 5 shows a simplified design of a slide 21 of the transfer device.
  • the slide 21 has a horizontal plate 23 and a vertical contact plate 24 . It is connected via a transfer element 25 to a servodrive 26 that can move the transfer element 25 up and down in the direction of the double arrow 27 , and that can also execute a horizontal movement in the direction of the double arrow 28 with the aid of the transfer element 25 . Since the objects in the compartments 5 lie on the chain 2 or an element connected to it, the object 9 a first needs to be lifted until it can be shoved horizontally over the stop. On the opposite side, a similar device can ensure that the object is lowered into the compartments 5 .

Abstract

The invention relates to a device and a method for forming stacks of objects (9, 9 a) with adjacent flat sides, using a rotating chain (2) comprising individual compartments (5) in which individual objects (9 a) with the same orientation are respectively arranged. Every second object is ejected from the compartments of a strand (2 a , 2 b) transversally to the transport direction, and inserted into the corresponding empty compartments (5) on the opposite side. In this way, the objects are alternately oriented in opposite directions in the position where they are ejected from the chain.

Description

  • The invention concerns a method and a device to form stacks of objects.
  • In production facilities, stacks are frequently created that need to be subsequently packaged. The packaging frequently occurs in the form of stacks in which the objects are arranged side-by-side. However, they are manufactured and delivered sequentially in the production facility. In order to package them as a stack, the sequentially delivered objects need to be arranged so that they form a stack.
  • To form a stack, it is known to supply the normally flat objects to a transfer wheel where they are conveyed along a circular arc up to a stop extending radially in relation to the transfer wheel. They are then shoved radially outward. The objects to be stacked then lie on each other so that they form a stack.
  • A second possibility is to shove the objects into compartments of a compartment device that has a plurality of compartments that for example are moved along a closed path. By generating an apparent stoppage, several objects can then be simultaneously ejected and form a stack after leaving the compartments.
  • A device to form stacks is already known (U.S. Pat. No. 5,897,292) where a plurality of compartments is moved along a closed path. The compartments are separated from each other by compartment walls. In each second compartment, the compartment walls are connected to each other on the inside so that an object shoved into them remains in the compartments. In the intermediate compartments, the compartment walls are not joined so that an object shoved into them can be shoved through the compartment walls. A transport device is then used to shove the object in reverse orientation into a compartment at that location on the opposite side. Neighboring objects then lie against each other in reverse orientation.
  • The invention is based on the task of providing a method and/or a device for forming stacks that improves stacking under specific conditions.
  • To solve this task, the invention proposes a device with the features of claim 1 and/or a method with the features of claim 11. Developments of the invention are the subject matter of the respective dependent claims.
  • The device is used to first insert the objects into the compartments, and one object lies in each compartment. In certain circumstances, it is also conceivable for two parallel objects to be arranged in each compartment. Then as processing proceeds, an individual object is removed, for example ejected. This object is then shoved into another compartment. Individual objects can be reoriented in this manner. A special application addressed by the invention is when the objects have a certain asymmetry, for example they are thinner toward the front than towards the back. To form stacks, especially when the objects do not have a stable shape, it is recommendable to orient two neighboring objects opposite each other so that the face that is less thick neighbors a face of the neighboring object that is thicker.
  • The invention can also be used in procedures where such an alternating orientation is desired for other specific reasons.
  • The steps of the method proposed by the invention are as follows: The objects are first arranged next to each other in compartments, and preferably no compartment remains free. While inserting the objects sequentially, the series of compartments is preferably continuously moved perpendicular to the compartment arrangement. Then the individual object is removed from the series of adjacent objects and inserted into an empty compartment. At a withdrawal site, a serious of adjacent objects is then removed from the compartments and ejected as a stack.
  • In a development of the invention, the transfer device can be designed so that it inserts the object into the same compartments of the compartment series from which it removed the object. This can for example be achieved by storing the removed object for a certain period in the transfer device until the object can be reinserted into the same compartment.
  • Within the scope of the invention, it is also possible to insert the object into a different compartment of the compartment series.
  • In another development of the invention, the transfer device can be designed so that it removes the object from the compartment, possibly storing it for a while, and then reinserts it into the one or other compartment without changing the orientation of the object. The possible reorientation in relation to the neighboring objects arises from the remaining objects in the compartments executing a different movement.
  • According to the invention, the compartment device can be designed so that it moves the compartments along a path having two at least approximately parallel sections, and these two sections move in opposite directions.
  • In particular, the path along which the compartments are moved can be a closed path that for example has two parallel or approximately parallel sides. The compartments can be located on a revolving chain, belt, etc., or on any other transmission means that moves along a closed path.
  • In this case, it is particularly easy to eject an individual object out of a compartment, to store it for a while between the two parallel sides, and to then insert it into the now empty compartment passing by at the same site as the compartment device continues to move.
  • To first insert the objects into the compartments, a supply device according to the invention can be provided that guides the objects sequentially and shoves them into the empty compartments.
  • To then eject the formed stack with alternately oriented objects out of the compartment device, the device can have a device to generate an apparent stoppage at this site of the ejection device. This apparent stoppage can be achieved by moving the two deflection wheels (around which the chain runs) together in a linear fashion at a specific speed, but of course only for a certain period.
  • The transfer device can advantageously have a servodrive for two directions of movement to initially elevate the object to be removed, and then horizontally eject it perpendicular to the direction of movement of the series of compartments.
  • In particular in a development, the transfer device is designed to transfer a plurality of individual objects out of and into non-neighboring compartments.
  • Additional features, details and preferences of the invention are found in the following description of a preferred embodiment, the patent claims and the abstract whose wording is hereby made a part the description by means of reference, and in the drawing.
  • FIG. 1 shows a schematic overhead view of a device according to the invention;
  • FIG. 2 shows an enlargement of the state shortly before two objects are ejected;
  • FIG. 3 shows a situation similar to FIG. 2 during ejection,
  • FIG. 4 shows a situation similar to FIG. 2 and 3 shortly before the ejected object is inserted into the series of compartments at another place along its path of movement;
  • FIG. 5 shows a simplified representation of a part of the transfer device.
  • FIG. 1 portrays a compartment device 1 having a chain 2 that is guided around two rotating, mounted deflection wheels 3. The deflection wheels 3 have a vertical rotary axis 4. The chain 2 is tightened so that it is taut. On the outside of the chain 2, there are compartments 5 that are delimited by two sidewalls 6. The compartment walls 6 are either affixed to the chain 2, or are at least mounted so that they are entrained by the chain 2. The device that moves the compartments 5 is perpendicular to the compartment arrangement. Only some compartments 5 are shown in FIG. 1 for reasons of simplification.
  • The vertical bearing axes 4 of the two deflection wheels 3 are on a common rail so that the entire arrangement can be moved to the right and left, i.e. in a direction parallel to the connecting axis of the two bearing axes 4. When this movement is executed, the two sides of the chain 2 remain in the same plane.
  • To drive the two sides 2 a, 2 b of the chain 2, two drive gears 7 are provided that are driven independent of each other via a drive and are also controlled independently of each other. When both drive gears 7 are driven at the same speed, the position of the two deflection wheels 3 remains constant. When one of the drive gears 7 is driven faster, the entire arrangement consisting of the chain and deflection wheels 3 shifts. It is thereby possible to bring about an apparent stoppage of one side of the chain 2 at a specific location.
  • On one side of the device shown at the top in FIG. 1, there is a supply device 8 that sequentially accepts objects 9 coming from a production system and shoves them into compartments 5. The objects 9 first lie flat and are set upright by the supply device 8. To accomplish this, the supply device 8 has two conveyor belts 10 between which the objects 9 are arranged. Each conveyor belt 10 is guided around two rollers 11. At the entry into the supply device 8, the two rollers 11 are horizontal, and at the output end of the supply device 8, they are vertical. The objects 9 are thereby rotated when they are transported.
  • The objects 9 are then arranged in the compartments 5 and are moved in the direction of the arrow 13.
  • An ejection device 14 is approximately at the same location on the opposite side of the device, and it uses a slide 15 to shove out a series of neighboring objects out of the compartments 16 perpendicular to the direction of transport. This ejection is indicated by the wide arrow 17.
  • Between the two sides 2 a, 2 b of the chain 2, there is a transfer device 20 that is shown in FIG. 1 in a very simplified form. The transfer device 20 is designed so that an individual object 9 in a compartment 5 is removed from the compartment 5 on side 2 a and moved to the opposite side where this object 9 is inserted into an empty compartment on side 2 b without changing its orientation. Stated simply, an individual object can be ejected from above to below in FIG. 1, and the ejection movement and chain 2 transportation are harmonized so that the object 9 enters an empty compartment on side 2 b. Since all the objects in the compartments of side 2 b that execute this movement change their orientation by traveling around the deflection wheel 3, the orientation of the object ejected by the transfer device 20 is opposite that of the other neighboring objects in the two adjacent compartments.
  • This procedure is schematically portrayed in FIG. 2-4. FIGS. 2 and 3 show an enlarged section of side 2 a, whereas FIG. 4 shows a section from side 2 b on the same scale.
  • FIG. 2 therefore shows a section from the compartment device with five compartments that each contain one object 9. To better portray the orientation, each object 9 is represented as a triangle. The objects 9 are conveyed by the supply device 8 in the same alignment as they leave the production facility. On side 2 a, all objects 9 have the identical orientation. The transfer device 20 contains a plurality of individually or jointly actuatable slides 21 that contact two objects 9. These two objects 9 a are in two compartments 5 that are separated from each other by an additional compartment 5. The distance between the two slides 21 in the direction in which the compartment device is transported (see arrow 13) is twice as large as the distance between two neighboring compartments 5. The two slides 21 contact the objects 9 a, and move them outside of the compartments perpendicular to the direction of movement 13 of the compartment device. The objects 9 a assume the intermediate position shown in FIG. 3, and pass from there between the guide walls 22 indicated in FIG. 1. Without changing their orientation, the objects 9 a are then advanced further either by slides 21 or another slide until they are shoved into the available empty compartments on side 2 b. The empty compartments 5 on side 2 b can be the same compartments from which the objects 9 a were ejected. This can be accomplished by slowing the movement within the guide walls 22, or waiting until the corresponding compartment is on the opposite side.
  • As can be seen in FIG. 8, the orientation of the objects 9, 9 a at this location is alternatingly opposite so that, when the objects are ejected by the ejecting station 14, a compact and well-aligned stack arises. The stack has been adjusted to compensate for the asymmetrical shape of the individual objects. The asymmetry in the drawings has been strongly exaggerated.
  • The transfer device has brought about the reorientation of each second object without requiring a complicated path of movement. This reorientation without complicated movement is particularly helpful for objects that would create a stack that is difficult to handle because of their asymmetry. This method can also be used in all other cases in which the resulting stack requires an alternating orientation, even when the objects are not asymmetrical.
  • FIG. 5 shows a simplified design of a slide 21 of the transfer device. The slide 21 has a horizontal plate 23 and a vertical contact plate 24. It is connected via a transfer element 25 to a servodrive 26 that can move the transfer element 25 up and down in the direction of the double arrow 27, and that can also execute a horizontal movement in the direction of the double arrow 28 with the aid of the transfer element 25. Since the objects in the compartments 5 lie on the chain 2 or an element connected to it, the object 9 a first needs to be lifted until it can be shoved horizontally over the stop. On the opposite side, a similar device can ensure that the object is lowered into the compartments 5.

Claims (19)

1. Device to form stacks of objects (9, 9 a), the device comprising:
a compartment device (1) with a plurality of compartments (5) moved along the path that each receive an object (9, 9 a),
wherein the path is perpendicular to the compartment device,
a transfer device (20) to withdraw an individual object (9 a) from an occupied one of the compartments (5) and to insert the object (9 a) into an empty one of the compartments (5) of the plurality of compartments, and
an ejection device (14) to eject a series of objects (9, 9 a) forming a stack.
2. Device according to claim 1, wherein the transfer device (20) is designed so that it inserts the object (9 a) into another compartment (5) of the plurality of compartments.
3. Device according to claim 1, wherein the transfer device (20) moves the object (9 a) without changing its orientation.
4. Device according to claim 1, wherein the compartment device (1) is designed so that it moves the compartments (5) along a path having two at least approximately parallel sections, whereby the movement in these two sections runs in opposite directions.
5. Device according to claim 1, wherein the compartments (5) of the compartment device are moved along a closed path with two parallel sides (2 a, 2 b).
6. Device according to claim 5, wherein the compartments (5) are on a revolving chain (2).
7. Device according to claim 1, further comprising a supply device (8) that inserts the objects (9, 9 a) sequentially into the compartments (5) of the compartment device.
8. Device according to claim 1, further comprising a device to generate an apparent stoppage of the compartment device (1) at the site of the ejection device (14).
9. Device according to claim 1, wherein the transfer device (20) has a servodrive (26) to provide movement in two directions.
10. Device according to claim 1, wherein the transfer device is designed to transfer a plurality of individual objects (9 a) out of and into non-neighboring compartments (5).
11. Method to form stacks of objects (9, 9 a), the method comprising:
locating the objects (9, 9 a) next to each other in compartments (5) within a compartment arrangement,
moving the compartments with the objects (9, 9 a) along a path perpendicular to the compartment arrangement,
removing a single object (9 a) from a series of adjacent objects (9, 9 a), and
wherein the object is inserted into an empty compartment (5), and
wherein a series of objects (9, 9 a) now forming a stack is ejected together out of the compartments (5).
12. Method according to claim 11, wherein an individual object (9 a) is inserted into a different compartment (5) of the compartment series than the compartment (5) from which it was removed.
13. Method according to claim 11, wherein the object (9 a) does not change its orientation while it is being removed from one compartment (5) and inserted into another compartment (5).
14. Method according to claim 11, wherein the compartments (5) are moved along a path having two at least approximately parallel sections, whereby the movement in these two sections run in the opposite direction.
15. Method according to claim 11, wherein the compartments (5) are moved along a closed path with two parallel sides (2 a, 2 b).
16. Method according to claim 11, wherein the compartments (5) are moved with the aid of a revolving chain (2), a belt, etc.
17. Method according to claim 11, wherein the objects (9, 9 a) are inserted sequentially into the compartments (5).
18. Method according to claim 11, the movement of the series of compartments (5) is brought to an apparent standstill while the objects (9, 9 a) are being ejected from the compartments (5).
19. Method according to claim 11, wherein a plurality of individual objects (9 a) are simultaneously removed from compartments (5) and simultaneously inserted into compartments (5).
US10/594,205 2004-03-24 2005-02-11 Method and Device to Form Stacks Abandoned US20070264115A1 (en)

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DE102004015763.4 2004-03-24
DE102004015763A DE102004015763A1 (en) 2004-03-24 2004-03-24 Method and apparatus for forming stacks
PCT/EP2005/001398 WO2005097636A1 (en) 2004-03-24 2005-02-11 Method and device for forming stacks

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US9814634B2 (en) 2011-10-18 2017-11-14 Basf Se Fluid-absorbent article

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DE102010051169A1 (en) 2010-11-15 2012-05-16 Jörn Begemann Apparatus for forming stacks, comprises a wheel with receptacles for receiving individual objects, where the receptacle is formed from a portion of a peripheral surface about an axis of the rotating wheel
ES2686023T3 (en) 2011-10-18 2018-10-16 Basf Se Fluid absorbent article
DE112014004910A5 (en) 2013-10-27 2016-07-07 B & B - Maf Gmbh & Co. Kg Apparatus and method for forming stacks

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