EP4277868A1 - Verfahren und system zum vereinzeln mehrerer zur verpackung von artikeln vorgesehener verpackungszuschnitte - Google Patents
Verfahren und system zum vereinzeln mehrerer zur verpackung von artikeln vorgesehener verpackungszuschnitteInfo
- Publication number
- EP4277868A1 EP4277868A1 EP21839862.6A EP21839862A EP4277868A1 EP 4277868 A1 EP4277868 A1 EP 4277868A1 EP 21839862 A EP21839862 A EP 21839862A EP 4277868 A1 EP4277868 A1 EP 4277868A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- packaging
- stack
- control
- blanks
- magazine
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H1/00—Supports or magazines for piles from which articles are to be separated
- B65H1/02—Supports or magazines for piles from which articles are to be separated adapted to support articles on edge
- B65H1/025—Supports or magazines for piles from which articles are to be separated adapted to support articles on edge with controlled positively-acting mechanical devices for advancing the pile to present the articles to the separating device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H1/00—Supports or magazines for piles from which articles are to be separated
- B65H1/08—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device
- B65H1/14—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device comprising positively-acting mechanical devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
- B65H7/04—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to absence of articles, e.g. exhaustion of pile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
- B65H7/14—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors by photoelectric feelers or detectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/50—Occurence
- B65H2511/51—Presence
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/50—Occurence
- B65H2511/515—Absence
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2513/00—Dynamic entities; Timing aspects
- B65H2513/10—Speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2513/00—Dynamic entities; Timing aspects
- B65H2513/40—Movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2513/00—Dynamic entities; Timing aspects
- B65H2513/50—Timing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/176—Cardboard
- B65H2701/1764—Cut-out, single-layer, e.g. flat blanks for boxes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/81—Packaging machines
Definitions
- the present invention relates to a method and a system for separating a plurality of packaging blanks provided for packaging articles.
- packaging for processing, assembling, grouping and packaging articles such as beverage containers. If certain items, such as beverage containers made of PET containers with low wall thicknesses, have a low dimensional stability, such beverage containers are in practice often placed on packaging blanks made of cardboard and/or cardboard in order to counteract unwanted damage to such beverage containers during transport .
- packaging blanks are also referred to as trays or PADs and can optionally have edge areas which are folded upwards as part of packaging the articles or beverage containers.
- Packaging blanks are also known which are only formed by a flat support without edge areas, with the individual articles or possibly a respective combination formed from a number of articles standing on the flat support.
- the respective article standing on the tray or packaging blank or the respective assembly of articles standing on the tray or packaging blank can then be wrapped with thermoplastic packaging film, after which the respective article standing on the tray or PAD or the respective article on the Tray or PAD standing assembly of articles placed in a shrink tunnel and the thermoplastic packaging material is shrunk onto the respective article or onto the respective assembly of articles.
- packaging blanks are provided as a stack, from which packaging blanks are successively removed and then placed on a horizontal conveyor. Groups of articles can then be placed on top of this and, in various embodiments, provided with thermoplastic packaging material.
- handling devices are used in practice, which are referred to as so-called cycloid separators.
- packaging magazines are known from the prior art, into which a respective stack is introduced lying down.
- packaging magazines can be designed in such a way that they can accommodate a standing stack of packaging blanks. The handling device already described above can then receive a front or top packaging blank from the stack, then pull it off the stack and place it on a horizontal conveyor.
- the specified or known thickness of packaging blanks does not necessarily have to correspond to a thickness that the packaging blanks in stacked form actually have. If the actual thickness of packaging blanks deviates from the stored thickness, this leads to numerous problems when separating packaging blanks or also when subsequently producing bundles in which articles stand on packaging blanks that have already been removed from a stack. It may be the case, for example, that the handling device cannot grip the respective packaging blank exactly or loses it in the course of its movement in the direction of the horizontal conveyor device.
- trays of a finished container can be open or not closed.
- Folding fingers which may be used to straighten side tabs of a tray may be in an incorrect position, causing problems when folding a tray.
- Such existing problems are known to the person skilled in the art addressed and are therefore not listed conclusively.
- one object of the invention can be seen as providing a method and a generic system with which the problems described can be avoided at least in part.
- the method should also be easy to implement and the corresponding system should have a simple structure.
- the invention relates to a method for separating a plurality of packaging blanks provided for packaging articles.
- the articles that are packaged by means of the packaging blanks can, for example, be in the form of beverage containers or beverage bottles and/or beverage cans.
- packaging blanks are picked up by a packaging magazine as a standing or lying stack, with a respective packaging blank of the stack arranged first or foremost being removed from the standing or lying stack by means of a handling device from a predetermined removal position of the packaging magazine and set down on a horizontal conveyor.
- the packaging magazine can then move a further packaging blank, which is then arranged first or foremost, into the removal position at a predetermined transport speed.
- the packaging magazine includes a conveyor belt, by means of which conveyor belt the stack of packaging blanks is pushed in the direction of the removal position.
- a pushing element can be arranged on the conveyor belt, which is in surface contact with a packaging blank arranged last in terms of the transport direction and pushes the stack of packaging blanks in the direction of the removal position.
- the packaging magazine can drive the conveyor belt in a revolving manner around a packaging blank that is arranged first, into the removal position with a predetermined advance transport speed.
- the packaging blanks received as a lying stack can thus be moved, in particular in the horizontal direction, by a rotating drive of the conveyor belt.
- the packaging magazine is designed to receive exactly one horizontal or vertical stack of packaging blanks.
- it can also be the case that the packaging magazine is designed to accommodate a plurality of lying or standing stacks of packaging blanks.
- the packaging magazine may include a lifting device, on which lifting device packaging blanks are received as a standing stack, with a respective packaging blank arranged at the top of the stack being removed from a predetermined removal position of the packaging magazine by means of a handling device.
- the lifting device of the packaging magazine can lift the packaging blanks received as a standing stack in the vertical direction in order to move a packaging blank arranged at the top into the removal position at a predetermined transport speed.
- the handling device can comprise at least one swivel arm, on which at least one swivel arm several suction heads are arranged, which create a connection via vacuum to the respective packaging blank for removing a respective packaging blank arranged first or foremost from the stack.
- connection via vacuum to the respective packaging blank can be canceled and the at least one swivel arm can be moved back together with the suction heads arranged on the at least one swivel arm in the direction of the packaging magazine to remove another packaging blank.
- the handling device can comprise, for example, a plurality of clamping and/or gripping elements in order to remove a respective topmost packaging blank of the stack from a predetermined removal position of the packaging magazine from the standing or lying stack and place it on a To be able to sell horizontal conveyor.
- data on the remaining height or length of the standing or lying stack is determined via at least one sensor system and transmitted to a control and/or regulating device, taking into account the data and also taking into account a clock frequency of the removal carried out by the handling device derives information about the thickness of the removed packaging blanks from packaging blanks and outputs the derived information in a visible manner for a user and/or takes the derived information into account as part of a further control and/or regulation of the transport speed of the packaging magazine and/or the clock frequency of the handling device.
- a detection area of the at least one sensor system for determining the remaining height or length of the standing or lying stack is directed from behind or from below onto a packaging blank arranged last or at the very back of the standing or lying stack.
- the at least one sensor system comprises at least three sensors, which are positioned at least three sensors spaced apart from one another along the height or along the length of the standing or lying stack.
- a respective detection area of the at least three sensors can be directed towards one side of the standing or lying stack.
- the at least three sensors are each designed as light barriers have also proven successful.
- the at least one sensor system can be designed as a camera system. Accordingly, it is also conceivable that the at least three sensors are each designed as a camera system, it is also conceivable that the at least three sensors are each designed as a touch sensor.
- control and/or regulating device uses the information on the thickness of the removed packaging blanks to check whether the thickness of the removed packaging blanks is within a specified tolerance range. It may be the case that the control and/or regulating device outputs an error message to a user if the control and/or regulating device determines during the check that the thickness of the removed packaging blanks is outside the tolerance range.
- the invention also relates to a system for separating a plurality of packaging blanks provided for packaging articles. Features that have already been described above for various embodiments of the method can also be provided in the embodiments of the system described below and are not mentioned several times.
- the system includes a packaging magazine designed to accommodate a standing or lying stack of packaging blanks.
- the system also includes a handling device which can remove a respective packaging blank of the stack, which is arranged in front or at the top, from a predetermined removal position of the packaging magazine from the standing or lying stack.
- the handling device can be designed as a so-called cycloid separator. Embodiments in which the handling device is designed as a multi-axis robot or as an industrial robot have proven successful.
- the packaging magazine is designed in such a way that a further packaging blank of the stack, which is then arranged in front or at the top, can be moved up into the removal position at a predetermined transport speed via the packaging magazine.
- the packaging magazine can have at least one conveyor belt in order to move the further packaging blank of the stack, which is then arranged in front or at the top, into the removal position.
- the system also includes a control and/or regulating device which is connected to the handling device and to at least one sensor system. It is provided that data on the remaining height or length of the standing or lying stack can be determined by means of the at least one sensor system and can be transmitted to the control and/or regulating device.
- control and/or regulating device is designed in such a way that the control and/or regulating device derives information on the thickness of the removed packaging blanks, taking into account the data and also taking into account a clock frequency of the removal of packaging blanks carried out by the handling device can.
- control and / or regulating device for the visible output of information on the strength of the removed packaging blanks for be trained a user.
- the control and/or regulating device can optionally have a display preferably designed as a touchscreen or be connected to a display preferably designed as a touchscreen.
- control and/or regulating device can be designed to control and/or regulate the transport speed of the packaging magazine and/or to control and/or regulate the cycle frequency of the handling device, taking into account the information derived on the thickness of the packaging blanks that have been removed is.
- Embodiments have proven successful in which a detection area of the at least one sensor system is aligned in such a way that the at least one sensor system looks in the direction from the rear or in the direction from below at a packaging blank of the standing or lying stack that is arranged last or at the very back and which passes through the packaging magazine is recorded.
- the at least one sensor system comprises at least three sensors, which are positioned at least three sensors spaced apart from one another along the height or along the length of a stack of packaging blanks received by the packaging magazine in a standing or lying position.
- the at least three sensors can each be designed as a light barrier. It is also conceivable that different measuring principles can be used for the sensors or for individual sensors used, such as optical detection and/or ultrasonic measurements or others.
- control and/or regulating device is designed in such a way that the control and/or regulating device can use the information on the thickness of the removed packaging blanks to check whether the thickness of the removed packaging blanks is within a specified tolerance range.
- an error message can be output to a user via the control and/or regulating device if the control and/or regulating device determines during the check that the thickness of the removed packaging blanks is outside the tolerance range.
- FIG. 1 shows a schematic perspective view of a first embodiment of a system according to the invention and clarifies individual steps as can be provided in various embodiments of the method according to the invention.
- FIG. 2 shows a schematic perspective view of a second embodiment of a system according to the invention and clarifies individual steps as can be provided in various embodiments of the method according to the invention.
- FIG. 3 shows individual details of the embodiment of a system according to Figures 1 and 2.
- FIGS. 4 show schematic views (FIGS. 4A and 4B) of packaging blanks, how they can be separated with various embodiments of the system and how they can be provided in various embodiments for implementing the method according to the invention.
- FIG. 5 shows individual steps in the flow chart, as they can be provided individually or in the combination shown in FIG. 4 in various embodiments of the method according to the invention.
- FIG. 1 shows a schematic perspective view of a first embodiment of a system 1 according to the invention and illustrates individual steps as can be provided in various embodiments of the method 100 according to the invention.
- the system 1 comprises a packaging magazine 20, which is used in the present case to receive a stack of packaging blanks 12 (but see Figs. 4A and 4B).
- the lying stack of packaging blanks can be transported in the transport direction TR by means of the system 1 .
- the packaging magazine 20 For transport, the packaging magazine 20 includes two conveyor belts 22 and 24, which are driven in rotation and push the respective stack horizontally along the transport direction TR at a predetermined transport speed. A respective packaging blank arranged foremost is in surface contact with a stop 7 of the packaging magazine 20 .
- a handling device 50 can then remove this packaging blank, which is arranged at the front, from the stack, transport it along a predetermined transport path and set it down on a horizontal conveyor device. Articles are then deposited on the packaging blank via other devices, which is still located on the horizontal conveyor device.
- thermoplastic packaging material is applied to the articles that are on the packaging blank and that the thermoplastic packaging material is subsequently shrunk onto the articles via a shrink tunnel (not shown).
- the packaging magazine 20 After the handling device 50 has removed a packaging blank from the stack, the packaging magazine 20 must move up another packaging blank, which is then in surface contact with the stops 7 and is removed from the handling device 50 in a subsequent method step.
- a clock frequency with which the handling device 50 removes packaging blanks from the stack is therefore to be set in relation to the transport speed of the packaging magazine 20 .
- the transport speed is thus specified via the control and/or regulating device S in accordance with the clock frequency.
- the control and/or regulating device S is therefore connected both to the packaging magazine 20 and to the handling device 50 .
- handling device 50 If the relationship between the transport speed and the cycle frequency of handling device 50 deviates from a relationship provided for the thickness of the packaging blanks, it may be the case, for example, that handling device 50 cannot detect the packaging blanks in the stack that are arranged first, or can only detect them in the wrong position, so that Problems can arise when receiving packaging blanks and during their transport in the direction of the horizontal conveyor.
- the handling device 50 does not set down packaging blanks exactly at a predetermined position on the horizontal conveyor, which in turn can result in articles being incorrectly set down on the respective packaging blank at a later point in time. From this it is already clear that the transport speed at which the packaging magazine 20 moves articles in the transport direction TR and the cycle frequency of the handling device 50 must be matched to one another. This coordination must take into account the thickness of the packaging blanks that are held by the packaging magazine 20 .
- the system 1 or the packaging magazine 20 designed as a component of the system 1 includes a sensor system 6 which is designed as a light barrier 8 in the present case.
- the arrow representation contained in FIG. 1 illustrates a viewing direction BR, along which the detection area of the sensor system 6 or the light barrier 8 is oriented.
- the sensor system 6 or the light barrier 8 looks at a packaging blank arranged at the rear of the stack which is not shown in FIG. 1 and is received by the packaging magazine 20 .
- control and/or regulating device S can detect via sensors 6 or via light barrier 8 which Length of the stack still received by the packaging magazine 20 along the transport direction TR.
- control and/or regulating device S can carry out a distance measurement via the sensor system 6 or via the light barrier 8 and thereby deduce the length of the remaining stack still held by the packaging magazine 20 in the transport direction TR.
- the packaging magazine 20 has a simple structure in the embodiment according to FIG. 1, since in practice exactly one sensor 6 or exactly one light barrier 8 can be sufficient to detect the length of the remaining stack of packaging blanks in the transport direction TR.
- Exactly one sensor system 6 or exactly one light barrier 8 is used here as a distance sensor, by means of which distance sensor the control and/or regulating device S can infer the remaining length of the stack of packaging blanks, which is received by the packaging magazine 20.
- the control and/or regulating device S is also connected to the handling device 50 .
- the control and/or regulating device S thus knows which clock frequency the handling device 50 has when packaging blanks are removed from the stack.
- Algorithmic storage on the control and/or regulating device S allows the control and/or regulating device S to achieve an actual thickness, taking into account data on the remaining length of the stack and also taking into account a clock frequency of the packaging blanks removed by the handling device 50 close the packaging blanks or derive information about the strength of the removed packaging blanks.
- the control and/or regulating device S then outputs this information on a display so that a user can easily recognize the actual thickness of the packaging blanks already removed from the stack. As a result, a user can react quickly if the thickness of packaging blanks that have already been removed is no longer within predetermined tolerance ranges.
- control and/or regulating device S can thus check whether the determined thickness of the packaging blanks already removed is within these tolerance ranges and, if necessary, output an error message if the determined thickness of the packaging blanks already removed has left the tolerance range.
- the embodiment according to FIG. and/or the control device S determines that the actual thickness of the packaging blanks that have already been removed is outside the tolerance range.
- the regulation is carried out in such a way that the insufficient thickness of the packaging blanks or the excessive thickness of the packaging blanks can be compensated for by reducing or increasing the transport speed of the packaging magazine 20 and/or by increasing or decreasing the clock frequency of the handling device 50.
- FIG. 2 shows a schematic perspective view of a second embodiment of a system 1 according to the invention and illustrates individual steps as can be provided in various embodiments of the method 100 according to the invention (cf. FIG. 5).
- the embodiment from FIG. 2 also includes a packaging magazine 20, which is designed to accommodate a stack of packaging blanks 12 (not shown) (cf. FIGS. 4A, 4B).
- a packaging blank of the lying stack that is arranged first is removed from the stack by means of a handling device 50 and placed or positioned on a horizontal conveying device (not shown).
- the cycle frequency of the handling device 50 and the transport speed of the packaging magazine 20 are initially adjusted by the control and/or regulating device S to an expected or specified thickness of packaging blanks 12 (cf. Fig. 4A and 4B), which the user in was stored in the control and/or regulating device S or possibly obtained independently by means of the control and/or regulating device S in the course of commissioning, taking into account data on a remaining length of the stack and a clock frequency of the handling device 50.
- the embodiment of a system 1 according to FIG. 2 differs from the embodiment of a system 1 according to FIG can infer the length of the remaining stack of packaging blanks 12.
- the sensor system 6 from the exemplary embodiment according to FIG. A detection area or a viewing direction BR of a respective sensor 6' is oriented obliquely or perpendicularly to the transport direction TR of the packaging magazine 20. If a new stack of packaging blanks is picked up by the packaging magazine 20, all of the sensors 6' or all of the light barriers 8 are initially occupied by the stack.
- the length of the stack is shortened, as a result of which a first sensor 6' previously occupied by the stack becomes free.
- the control and/or regulating device S can then recognize that from a certain point in time this sensor 6' is no longer detected by the lying stack of packaging blanks 12 is occupied.
- a further subsequent sensor 6' With further removal of packaging blanks 12 arranged at the front from the lying stack, a further subsequent sensor 6' becomes free or unoccupied at a certain point in time.
- control and/or regulating device S which is connected to all sensors 6'. Due to the respective trained or non-trained occupancy of the sensors 6', the control and/or regulating device S can therefore indirectly infer the length of a lying and still remaining stack of packaging blanks, which is received by the packaging magazine 20.
- the handling device 50 is also connected to the control and/or regulating device S, so that the control and/or regulating device S knows a clock frequency with which the handling device 50 can remove the packaging blank from the front of the pack Stack of packaging blanks decreases. From the respective length of the remaining stack of packaging blanks and from the respective clock frequency with which the handling device 50 has removed packaging blanks from the stack up to that point, the control and/or regulating device S can deduce the actual thickness of packaging blanks.
- control and/or regulating device S outputs information on the thickness of the packaging blanks for a user to see.
- the control and/or regulating device S of the exemplary embodiment according to FIG. 2 can also compare whether the respective determined thickness of the packaging blanks is within a predetermined tolerance range. If this is not the case, the control and/or regulating device S can issue an error message for a user or, if necessary, also regulate the cycle frequency and/or the transport speed of the packaging magazine 20 accordingly.
- Fig. 3 shows individual details of the embodiment of a system 1 according to Figures 1 and 2.
- Fig. 3 shows an area of the packaging magazine 20, from which the handling device 50 (cf. Figures 1 and 2) packaging blanks 12 (cf. Figures 4A and 4B) from the stack picked up lying by the packaging magazine 20.
- Fig. 3 shows a Removal position from which the handling device 50 removes from the packaging magazine 20 a respective foremost packaging blank which is in surface contact with the stops 7 .
- a packaging blank 12 arranged at the front of the lying stack lies against a stop 7 , whereupon the handling device 50 removes this packaging blank 12 arranged at the front from the stack and carries it away from the packaging magazine 20 .
- the handling device 50 removes this packaging blank 12 arranged at the front from the stack and carries it away from the packaging magazine 20 .
- the entire stack is pushed in the transport direction TR with the aid of transport edges 22 and 24, whereupon the other packaging blank that is then arranged first moves up into a removal position.
- FIG 3 shows that a sensor 6 ′ is arranged in an end area of the packaging magazine 20 or in the removal position provided for the respective packaging blank arranged first, which in turn is a light barrier 8 .
- the senor 6' can also be designed, for example, as a camera system or as a button.
- the sensor 6' is connected to the control and/or regulating device S. Immediately before the handling device 50 removes a packaging blank 12 arranged foremost from the stack, this sensor 6' is occupied by the packaging blank 12 arranged foremost. Immediately after the handling device 50 has removed the packaging blank from the stack that had been arranged first, this sensor 6' is unoccupied for a certain period of time until the packaging magazine 20 moves another packaging blank into the removal position by means of the conveyor belts 22 and 24.
- this sensor 6' is again occupied.
- the duration of the occupancy of this sensor 6' is therefore always closely related to the thickness of the packaging blanks and the transport speed at which the packaging magazine 20 advances a respective foremost packaging blank into the removal position.
- the control and/or regulating device S knows the length of time over which the sensor 6 ′ is to be occupied by a particular packaging blank arranged first. If the control and/or regulation device S determines via the sensor 6′ that the duration of a particular occupancy deviates from a known or predetermined period of time, the control and/or regulation device S can inform a user about this.
- a different length of time can be present, for example, if a particular packaging blank arranged first is curved or not flat, since this increases the length of time that the sensor 6' is occupied. There is then the possibility that the control and/or regulating device concludes that there is an error and outputs the error to a user. A user can then check whether the further packaging operation is associated with problems due to the curvature or deformation of the packaging blank.
- the position of the sensor 6' in FIG. 3 is only to be understood as an example, so that the sensor 6' can also be arranged, for example, at a position at which the packaging blank that has been pulled off is moved past via the handling device 50.
- control and/or regulating device S has a database in which errors that have already occurred are assigned to a respective cause of the error. If the control and/or regulation device S then determines that a similar or identical error occurs again, the control and/or regulation device S can show information about the possible cause of the error on a display. The control and/or regulating device S can thus inform a user, for example, about a possible curvature of a packaging blank if the control and/or regulating device recognizes such a curvature by means of the sensor 6' being occupied.
- control and/or regulating device S is connected to a control system. If a corresponding error is detected, subsequent process steps can be correspondingly regulated in such embodiments in such a way that the error can be compensated for as far as possible in the course of the further process steps.
- FIGS. 4A and 4B show schematic views of packaging blanks 12, how they can be separated with various embodiments of the system 1 and how they can be provided in various embodiments for implementing the method 100 according to the invention.
- the packaging blank 12 shown in FIG. 4A is what is known as a tray 13, which has a plurality of lateral flaps 9 which are folded in an upward direction in order to positively hold a plurality of articles standing on the tray 13.
- the packaging blank 12 shown in FIG. 4B is what is known as a pad, which has two broad side surfaces oriented parallel to one another. One of these broad side surfaces oriented parallel to one another or an upper one of these broad side surfaces oriented parallel to one another forms a flat contact surface for articles. 4B refers to a thickness of the packaging blank 12, with information about such a thickness using the embodiments of a system 1 according to FIGS. 1 and 2 and using the method 100 described below in FIG remaining length of a stack of packaging blanks and from a clock frequency of a handling device 50 can be derived.
- FIG. 5 shows individual steps in a flow chart, as they can be provided individually or in the combination shown in FIG. 5 in various embodiments of the method 100 according to the invention.
- a handling device 50 intermittently removes packaging blanks 12 (cf. FIGS. 4A and 4B) arranged first from a stack.
- the stack of packaging blanks is horizontally received by a packaging magazine 20 (cf. FIGS. 1 and 2), but in other embodiments it can also be vertically received by a packaging magazine.
- Method step 120 is carried out during this acceptance, in which a sensor system 6 determines data on the remaining length of the stack and transmits this data to a control and/or regulating device S.
- the control and/or regulating device S is connected to the handling device 50, so that the control and/or regulating device S knows a clock frequency at which the handling device 50 removes the foremost packaging blanks 12 from the stack.
- control and/or regulating device S derives information on a respective thickness of the removed packaging blanks 12, for which purpose the control and/or regulating device S uses the data on the remaining length of the lying stack and the clock frequency of the removal carried out by the handling device 50 is taken into account.
- control and/or regulating device S then outputs the derived information on the thickness of the removed packaging blanks 12 on a display, so that a user can see the derived information on the thickness of the removed packaging blanks.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Supplying Of Containers To The Packaging Station (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021100904.9A DE102021100904A1 (de) | 2021-01-18 | 2021-01-18 | Verfahren und System zum Vereinzeln mehrerer zur Verpackung von Artikeln vorgesehener Verpackungszuschnitte |
| PCT/EP2021/085718 WO2022152488A1 (de) | 2021-01-18 | 2021-12-14 | Verfahren und system zum vereinzeln mehrerer zur verpackung von artikeln vorgesehener verpackungszuschnitte |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP4277868A1 true EP4277868A1 (de) | 2023-11-22 |
| EP4277868C0 EP4277868C0 (de) | 2025-05-07 |
| EP4277868B1 EP4277868B1 (de) | 2025-05-07 |
Family
ID=79287655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21839862.6A Active EP4277868B1 (de) | 2021-01-18 | 2021-12-14 | Verfahren und system zum vereinzeln mehrerer zur verpackung von artikeln vorgesehener verpackungszuschnitte |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4277868B1 (de) |
| CN (1) | CN116601092B (de) |
| DE (1) | DE102021100904A1 (de) |
| WO (1) | WO2022152488A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117699386B (zh) * | 2024-02-06 | 2024-04-26 | 长治凌燕机械厂 | 一种上下垛输送机 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU766223B2 (en) * | 1999-09-16 | 2003-10-09 | Ferag Ag | Method and device for feeding flat items to individualization |
| DE102009034482A1 (de) * | 2009-07-22 | 2011-01-27 | Heidelberger Druckmaschinen Ag | Vorrichtung und Verfahren zur Steuerung einer Stapelhubvorrichtung |
| JP2013082537A (ja) * | 2011-10-11 | 2013-05-09 | Ricoh Co Ltd | シート処理装置、及びこれを備えた画像形成システム |
| US10370201B2 (en) * | 2015-11-13 | 2019-08-06 | Kabushiki Kaisha Toshiba | Transporting apparatus and transporting method |
| CN205334193U (zh) * | 2015-12-16 | 2016-06-22 | 湖北欧安电气股份有限公司 | 物品拆垛机光电自动识别控制装置 |
| DE102016211619A1 (de) | 2016-06-28 | 2017-12-28 | Krones Ag | Anlage zum Behandeln von Behältern, sowie Verfahren zum Verpacken von gefüllten Behältern |
| DE102019116302A1 (de) | 2019-06-14 | 2020-12-17 | Koenig & Bauer Ag | Substrathandhabungssystem und Verfahren zum Betreiben eines Substrathandhabungssystems |
-
2021
- 2021-01-18 DE DE102021100904.9A patent/DE102021100904A1/de active Pending
- 2021-12-14 EP EP21839862.6A patent/EP4277868B1/de active Active
- 2021-12-14 CN CN202180082323.8A patent/CN116601092B/zh active Active
- 2021-12-14 WO PCT/EP2021/085718 patent/WO2022152488A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP4277868C0 (de) | 2025-05-07 |
| EP4277868B1 (de) | 2025-05-07 |
| WO2022152488A1 (de) | 2022-07-21 |
| CN116601092B (zh) | 2025-09-12 |
| CN116601092A (zh) | 2023-08-15 |
| DE102021100904A1 (de) | 2022-07-21 |
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