EP2962970A1 - Système d'alimentation pour feuilles de carton d'alimentation sur un module de traitement desdites feuilles de carton et procédé associé - Google Patents

Système d'alimentation pour feuilles de carton d'alimentation sur un module de traitement desdites feuilles de carton et procédé associé Download PDF

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Publication number
EP2962970A1
EP2962970A1 EP14175407.7A EP14175407A EP2962970A1 EP 2962970 A1 EP2962970 A1 EP 2962970A1 EP 14175407 A EP14175407 A EP 14175407A EP 2962970 A1 EP2962970 A1 EP 2962970A1
Authority
EP
European Patent Office
Prior art keywords
unit
storage unit
picking
cardboard sheets
feeding system
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.)
Withdrawn
Application number
EP14175407.7A
Other languages
German (de)
English (en)
Inventor
Nereo Urbano Nieto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Atp Engineering & Packaging SL
Original Assignee
Atp Engineering & Packaging SL
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Atp Engineering & Packaging SL filed Critical Atp Engineering & Packaging SL
Priority to EP14175407.7A priority Critical patent/EP2962970A1/fr
Publication of EP2962970A1 publication Critical patent/EP2962970A1/fr
Withdrawn legal-status Critical Current

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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
    • B65H3/00—Separating articles from piles
    • B65H3/44—Simultaneously, alternately, or selectively separating articles from two or more piles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/0808—Suction grippers
    • B65H3/0883—Construction of suction grippers or their holding 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
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/08—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers
    • B65H5/085—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers by combinations of endless conveyors and grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/32—Orientation of handled material
    • B65H2301/321—Standing on edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/23—Belts with auxiliary handling means
    • B65H2404/231—Belts with auxiliary handling means pocket or gripper type
    • 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

Definitions

  • the present invention relates to a feeding system for feeding cardboard sheets, such as for example die-cut cardboard sheets, to a module processing said cardboard sheets, such as for instance a box forming module or another module that uses cardboard sheets.
  • the invention also relates to a method for feeding cardboard sheets to a module processing them.
  • the feeding system of the invention, and the associated method make it possible to supply cardboard sheets to the module processing them with high throughput but without requiring the cardboard sheets being transported at high speed.
  • Storage units for storing cardboard sheets are widely used in a multitude of machines that process, manipulate and/or transform this type of cardboard sheets, such as for instance box forming machines.
  • these machines comprise a storage unit that cooperates with a unitary feeder that picks the cardboard sheets from the storage unit and supplies them unit by unit to a module that will process said cardboard sheets, for instance, to form a cardboard box.
  • the cardboard sheets are dispensed from the bottom of the stack, either individually or in groups of a few.
  • some horizontal storage units allow the cardboard sheets stored therewithin be dispensed from the top of the stack.
  • a further known alternative consists of a storage unit for storing cardboard sheets in a semi-horizontal position (also referred to as semi-horizontal storage units) in which the cardboard sheets are arranged forming a pile that is tilted about 45° with respect to the floor surface and can be dispensed from the bottom of the pile.
  • These vertical storage units have a loading side, typically in the rear, from which the cardboard sheets can be loaded into the storage unit, and a dispensing side, typically in the front, from which the cardboard sheets can be dispensed.
  • This solution presents a number of advantages over the horizontal and semi-horizontal storage units.
  • the arrangement of the cardboard sheets as a row, rather than as a stack makes the dispensing simpler and independent from the total number of cardboard sheets stored.
  • the storage capacity is no longer limited by the weight and can be larger than in the horizontal or semi-horizontal storage units, which means that these vertical storage units have to be replenished less often.
  • the replenishing of the storage unit is simpler and can be done while the storage unit is dispensing cardboard sheets.
  • the operator only needs to add more cardboard sheets into the storage unit from its loading side, and no longer needs to climb to a higher position as it happens for the horizontal and semi-horizontal storage units.
  • Such machines typically comprise a plurality of storage units, each being used for storing cardboard sheets of a different format, and require a feeding system for selectively feeding the cardboard sheets from any of the storage units to the module that processes said cardboard sheets.
  • a known example of a feeding system for a machine having multiformat processing capabilities comprises a plurality of semi-horizontal storage units arranged in a row above a guiderail on which a carriage can travel back and forth. An end of the guiderail is operatively coupled to a unitary feeder for unit-by-unit supplying the cardboard sheets to a module that processes them.
  • the carriage is adapted for receiving a cardboard sheet dispensed from the bottom side of one of the storage units and carrying it to the unitary feeder.
  • This feeding system presents, however, a number of drawbacks.
  • the carriage needs to travel to the end of the guiderail to discharge said cardboard sheet and travel back empty to the portion of the guiderail on which the storage units are located, before it can receive another cardboard sheet and repeat the cycle.
  • This cyclic behavior inherently leads to a low rate at which cardboard sheets can be delivered to the unitary feeder.
  • the feeding system exhibits a low throughput.
  • a further object of the present invention is to provide a method for feeding cardboard sheets to a module processing said cardboard sheets, that solves the drawbacks described above.
  • the present invention relates to a feeding system for feeding cardboard sheets to a module processing said cardboard sheets, such as a box forming module, that comprises at least one storage unit for storing cardboard sheets in a vertical position, the/each storage unit having a loading side from which the cardboard sheets can be loaded into said storage unit, and a dispensing side from which the cardboard sheets can be dispensed; and at least one unitary feeder for unit-by-unit supplying the cardboard sheets to a module processing said cardboard sheets.
  • the use of a belt conveyor having a plurality of picking units makes it possible for the feeding system of the present invention to transport simultaneously several cardboard sheets from one or more storage units to one or more unitary feeders. Since the picking units are affixed to the conveyor belt and move integrally with it, each picking unit can transport a cardboard sheet without interfering with the others. Thus, conversely to the prior-art solution based on a guiderail and a carriage travelling back and forth, in which only one cardboard sheet could be transported at a time, the feeding system of the invention allows carrying many cardboard sheets at the same time, which can be of different sizes and/or shapes.
  • the feeding system of the invention makes it possible to achieve a high throughput without requiring the cardboard sheets being transported at high speed.
  • the throughput of the feeding system of the invention is fairly independent from the number of storage units that it comprises, because it is mainly related to the number of picking units in the belt conveyor and the speed at which the conveyor belt moves. Consequently, the feeding system of the invention exhibits a good scalability with the number of storage units.
  • control unit to selectively determine from which storage unit each cardboard sheet is to be picked, and to which unitary feeder is to be delivered, makes the feeding system of the invention very versatile and capable of handling cardboard sheets of different formats.
  • the cardboard sheets are die cut, while in some other examples they are not.
  • the at least one storage unit is adapted to store cardboard sheets of different formats.
  • a cardboard sheet is in a vertical position, or is arranged vertically, if the flat surface of said cardboard sheet is substantially perpendicular to the floor surface (i.e., the normal to the flat surface of the cardboard sheet is substantially perpendicular to the direction of the Earth's gravity).
  • a cardboard sheet is in a horizontal position, or is arranged horizontally, if the flat surface of said cardboard sheet is substantially parallel to the floor surface (i.e., the normal to the flat surface of the cardboard sheet is substantially parallel to the direction of the Earth's gravity).
  • two surfaces or two directions are considered to be substantially perpendicular if the angle defined therebetween is between 75° and 105°.
  • two surfaces or two directions are considered to be substantially parallel if the angle defined therebetween is smaller than 15°.
  • a picking unit is considered to be at a position of the closed-loop path that faces the dispensing side of a storage unit, when said picking unit is located between the conveyor belt and said storage unit and the orthogonal projection of said picking unit on the plane defined by the flat surface of a cardboard sheet kept on the dispensing side of said storage unit overlaps, at least in part, said flat surface.
  • a picking unit is considered to be at a position of the close-loop path that faces a unitary feeder, when said picking unit is located between the conveyor belt and said unitary feeder and the orthogonal projection of said unitary feeder on the plane defined by the flat surface of a cardboard sheet being carried by said picking unit overlaps, at least in part, said flat surface.
  • control unit is operatively connected to the plurality of picking units of the belt conveyor.
  • the feeding system further comprises a motor operatively coupled to the belt conveyor for imparting a stepped motion to the conveyor belt, so that at each step the conveyor belt advances or recedes by a predetermined amount.
  • the feeding system comprises a motor operatively coupled to the belt conveyor capable of, alternatively or additionally, imparting a continuous motion, to the conveyor belt.
  • a motor such as, for instance, a stepper motor or a servomotor
  • a motor that imparts a stepped motion to the belt conveyor is advantageous because it allows the control unit to know very precisely the distance by which the conveyor belt (and the picking units affixed to it) have been displaced along the closed-loop path.
  • the spacing between any pair of consecutive picking units of the plurality of picking units along the closed-loop path of the conveyor belt preferably corresponds to an integer number of steps.
  • said integer number of steps may be different for at least some pairs of consecutive picking units. In some other cases, it may be a same integer number, such as 1, 2, 3, 5, or 10, for any pair of consecutive picking units.
  • a step corresponds to the distance between the at least one storage unit and the at least one unitary feeder, or between two consecutive storage units in case that there is more than one storage unit.
  • the/each storage unit and the/each unitary feeder are optionally arranged relative to the belt conveyor at a position along the closed-loop path of the conveyor belt at which at least one of the picking units stops after the conveyor belt is advanced or receded by a predetermined number of steps.
  • the storage unit or units and the unitary feeder or feeders are advantageously at positions along the close-loop path that are in common with those at which the picking units stop, the transfer of cardboard sheets between the at least one storage unit and the picking units, and between the picking units and the at least one unitary feeder, is simpler. Therefore, this feature further simplifies the control of the feeding system during operation.
  • the belt conveyor comprises two rollers mechanically coupled to the conveyor belt, the rollers being located within the closed-loop path defined by the conveyor belt at opposite ends of said path. Additionally, the two rollers are arranged vertically so that a portion of the surface of the conveyor belt faces the at least one storage unit and/or the at least one unitary feeder.
  • Arranging the belt conveyor sideways, with its end rollers in a vertical position is advantageous to make the feeding system more compact, as the belt conveyor can be disposed closer to the at least one storage unit and the at least one unitary feeder. Moreover, it also simplifies the mechanical design of the picking units because the cardboard sheets are transported substantially parallel to the surface of the conveyor belt.
  • each picking unit comprises a member adapted to be protruded away from the conveyor belt and retracted towards the conveyor belt, said member comprising one or more suction cups.
  • the belt conveyor comprises at least one actuator (such as for instance pneumatic and/or electrical actuator) for protruding and/or retracting the member of the picking units.
  • actuator such as for instance pneumatic and/or electrical actuator
  • each picking unit comprises one of such actuators operatively connected to the member of said picking unit.
  • the at least one actuator is mounted on a frame of the belt conveyor at a fix position along the closed-loop path of the conveyor belt, and is adapted to clutch with the member of the picking units when they reach said position.
  • the conveyor belt preferably comprises as many actuators as there are storage units in the feeding system.
  • the/each unitary feeder comprises means for unit-by-unit supplying cardboard sheets and a transfer arm configured to fetch a cardboard sheet being carried by a picking unit of said plurality when said picking unit is at a position of the close-loop path that faces said unitary feeder and transfer said cardboard sheet to said unit-by-unit supplying means.
  • the transfer arm may optionally comprise an articulated arm with a member comprising one or more suction cups provided at an end of the articulated arm and actuating means.
  • the actuating means comprise a motor and a crank and connecting rod mechanism to mechanically couple the motor to the articulated arm.
  • the number of suction cups on the member of said articulated arm is the same as the number of suction cups on the member of any one of the picking units, and the spatial distribution of the suction cups on the member of said articulated arm is a mirror image of the spatial distribution of the suction cups on the member of any one of the picking units. If the suction cups on the member of the articulated arm of the unitary feeder are in correspondence with those on the member of the picking units, the articulated arm can pull the cardboard sheet from the picking unit more easily and requiring a force that is smaller in magnitude.
  • the/each storage unit advantageously comprises guiding and biasing means for guiding the cardboard sheets stored within and biasing them towards the dispensing side of the storage unit.
  • the at least one storage unit and the at least one unitary feeder are arranged facing the conveyor belt forming a row on a same side of the belt conveyor. Such an arrangement provides an easier and more unobstructed access to the belt conveyor, and may be preferred to facilitate its reparation and other maintenance work.
  • the at least one storage unit and the at least one unitary feeder may be arranged on different sides, preferably opposite sides, of the belt conveyor. Such an arrangement leads to a feeding system having a more compact footprint, and may be preferred when the feeding system has to be installed in a small-sized area of a plant or factory.
  • the feeding system may preferably comprise two or more (such as, for instance, three, four, six, eight, or ten) storage units.
  • a first storage unit and a second storage unit of said two or more storage units are configured to store cardboard sheets of, respectively, a first format and a second format, said second format being different from said first format.
  • Cardboard sheets of different formats and/or having different ornamental motifs can be stored in different storage units and be dispensed to the same belt conveyor that will transport them to the at least one unitary feeder for being processed.
  • the at least one unitary feeder is preferably at an intermediate position in said row, so that there is at least one storage unit at either one of the two lateral sides of the at least one unitary feeder.
  • the at least one unitary feeder may be at an end of said row, with all the storage units being on a same lateral side of the at least one unitary feeder.
  • the lateral sides of a unitary feeder preferably refer to those sides that connect a front side, from which the unitary feeder receives cardboard sheets transported by the picking units, with a rear side, from which the unitary feeder supplies cardboard sheets on a unit-by-unit basis to a module processing them.
  • the feeding system may advantageously comprise two, three or more unitary feeders.
  • Different unitary feeders may be adapted to handle cardboard sheets of different format and/or may be operatively coupled to different types of modules processing said cardboard sheets, such as for instance a printing and/or engraving module, a box forming module, a box closing module, or a box covering module.
  • the invention also relates to a multiformat box forming machine that comprises a mutiformat box forming module and a feeding system in accordance to the present invention, wherein the at least one unitary feeder of the feeding system is operatively coupled to the multiformat box forming module.
  • the present invention relates to a method for feeding cardboard sheets to a module processing said cardboard sheets, such as a box forming module, that comprises the steps of:
  • conveyor belt refers to a continuous band that defines a closedloop path, to which movement can be imparted, and that is suitable for mounting the picking units.
  • this term also encompasses, among others, a continuous track, an articulated band made of modular plates, or a chain formed by a plurality of links.
  • Figures 1-3 illustrate an exemplary feeding system according to a first embodiment of the present invention.
  • Figures 1 and 2 provide two perspective views of the feeding system from opposite sides of the belt conveyor, while Figure 3 presents a top plan view of the feeding system in which the arrangement of the elements of the feeding system relative to each other can be better observed.
  • the feeding system 100 for feeding cardboard sheets 106 to a module that processes said cardboard sheets (not shown in the figures).
  • the feeding system 100 comprises three storage units 101 for storing cardboard sheets 106 in a vertical position, and a unitary feeder 102 for unit-by-unit supplying the cardboard sheets 106 to the module that will process them, such as for instance a multiformat box forming module.
  • the feeding system 100 further comprises a belt conveyor 103 for transporting the cardboard sheets 106 dispensed by the storage units 101 to the unitary feeder 102.
  • the belt conveyor 103 comprises a conveyor belt 104 that defines a closed-loop path and a plurality of picking units 105.
  • Each storage unit 101 has a loading side 107, from which the cardboard sheets 106 can be loaded into it, and a dispensing side 108, from which the cardboard sheets 106 can be dispensed.
  • the loading side 107 is the side of the storage unit 101 that is farther from the belt conveyor 103
  • the dispensing side 108 is the side that is closer to the belt conveyor 103.
  • Each picking unit 105 is configured to pick a cardboard sheet 106 from any of the three storage units 101 and hold it vertically while being transported from said storage unit to the unitary feeder 102.
  • the belt conveyor 103 comprises eight picking units 105, in other examples it might comprise more or fewer than eight.
  • each picking unit 105 is affixed to the conveyor belt 104 at a different position along said closed-loop path. In this manner, when movement is imparted to the conveyor belt 104 the plurality of picking units 105 move integrally with the conveyor belt 104.
  • the feeding system 100 also comprises a control unit (not depicted in Figures 1-3 ) that is operatively connected to the belt conveyor 103, in particular to the picking units 105, and to the unitary feeder 102.
  • the control unit is configured to:
  • a picking unit 105 namely the one carrying a cardboard sheet 106 on the right-hand side of the figure, is at a position of the close-loop path that faces the unitary feeder 102. Indeed, said picking unit is located between the conveyor belt 104 and the unitary feeder 102, and the orthogonal projection of the unitary feeder 102 on the plane defined by the flat surface of a cardboard sheet 106 being carried by said picking unit 105 overlaps said flat surface.
  • picking units 105 there are three picking units 105, namely the three to the left of the picking unit carrying a cardboard sheet 106 in Figure 3 , that are at three positions of the closed-loop path that face the dispensing sides 108 of the storage units 101.
  • said picking units are located between the conveyor belt 104 and the storage units 101, and the orthogonal projection of said picking units 105 on the plane defined by the flat surface of a cardboard sheet 106 kept on the dispensing side 108 of said storage units 101 overlaps said flat surface.
  • the storage units 101 and the unitary feeder 102 are arranged facing the conveyor belt 104 forming a row on a same side of the belt conveyor 103.
  • the conveyor belt 104 forming a row on a same side of the belt conveyor 103.
  • they could have been arranged on different sides of the belt conveyor 103.
  • the feeding system 100 comprises a motor 109, in particular a stepper motor or a servomotor, operatively coupled to the belt conveyor 103 for imparting a stepped motion to the conveyor belt 104.
  • the motor 109 causes, at each step, the conveyor belt 104 to advance or recede by a predetermined amount.
  • the spacing d between any pair of consecutive picking units 105 along the closed-loop path of the conveyor belt 104 has been selected to be an integer number of steps. Furthermore, as the eight picking units 105 are uniformly distributed along the closed-loop path of the conveyor belt 104, the spacing d between any pair of consecutive picking units 105 is constant.
  • the belt conveyor features a periodic behavior with a period equal to the spacing d.
  • the storage units 101 and the unitary feeder 102 are arranged relative to the belt conveyor 103 so that they are substantially centered at different positions along the closed-loop path of the conveyor belt 104 at which the picking units 105 stop.
  • the conveyor belt 104 is advanced or receded by a number of steps corresponding to the spacing d, there is a picking unit 105 that stops at a position that faces each of the three storage units 101 and the unitary feeder 102.
  • the belt conveyor 103 comprises two rollers 111 mechanically coupled to the conveyor belt 104 and located within the closed-loop path defined by the conveyor belt 104 at opposite ends of said path.
  • the belt conveyor 103 is disposed sideways (i.e., with the two rollers 111 being arranged vertically) so that a portion of the surface of the conveyor belt 104 faces the storage units 101 and the unitary feeder 102.
  • Each picking unit 105 comprises a member 401 adapted to be protruded away from the conveyor belt 104 and retracted towards the conveyor belt 104.
  • said member 401 takes the form of a vertically-oriented H-shaped plate comprising a plurality of suction cups 402 arranged in two parallel columns corresponding to the vertical portions of the H-shaped plate.
  • the member 401 may also take other forms.
  • the belt conveyor 103 also comprises some actuators for protruding and retracting the member 401 of the picking units 105.
  • the picking unit 105 is operatively connected to a pneumatic and/or electrical actuator 403.
  • the control unit may activate the actuator 403 to fully protrude the member 401 of the picking unit 105 towards the storage unit 101.
  • the pressure exerted by the member 401 on the cardboard sheet 106 kept on the dispensing side 108 of the storage unit 101 causes the suction cups 402 to adhere to it.
  • the actuator 403 is subsequently activated to recede the member 401 towards the conveyor belt 103, the member 401 drags the cardboard sheet 106 from the storage unit 101.
  • Figure 7A corresponds to an instant in which the member 401 has already picked the cardboard sheet 106 and is being receded towards the conveyor belt 104
  • Figure 7B correspond to the instant when the member 401 has already been fully receded and the belt conveyor 103 is ready to transport the cardboard sheet 106.
  • the unitary feeder 102 has a front side 501, from which it receives cardboard sheets 106 transported by the picking units 105, and a rear side 502, from which it supplies the cardboard sheets 106 on a unit-by-unit basis to a module processing them.
  • the unitary feeder 102 also comprises two lateral sides 503, 504 that connect the front side 501 with the rear side 502.
  • the unitary feeder 102 comprises means 505 for unit-by-unit supplying cardboard sheets 106 and a transfer arm 506 configured to fetch a cardboard sheet 106 being carried by a picking unit 105 when it is at a position of the close-loop path that faces the unitary feeder 102 and transfer the cardboard sheet 106 to the unit-by-unit supplying means 505.
  • the transfer arm 506 includes an articulated arm 507, with a member 508 that comprises a plurality of suction cups 509 arranged in two columns, said member 508 being provided at an end of the articulated arm 507.
  • the transfer arm 506 further includes actuating means 510 based on a motor 511 and a crank-and-connecting-rod mechanism 512 to mechanically couple the motor 511 to the articulated arm 507.
  • the actuating means 510 rotate the cardboard sheet 106 from a vertical position to a horizontal position before being transferred to the unit-by-unit supplying means 505.
  • the control unit may enable the actuating means 510 of the transfer arm 506 to fetch the cardboard sheet 106.
  • the articulated arm 507 of said transfer arm 506 is projected towards the picking unit 105, so that the pressure exerted by the member 508 on the cardboard sheet 106 causes the suction cups 509 to adhere to it.
  • the actuating means 510 are subsequently activated to retract the articulated arm 507, removing the cardboard sheet 106 from the picking unit 105, and rotating the cardboard sheet 106 to a horizontal position (as illustrated in Figure 8 ).
  • Figure 6 presents a detailed rear view (i.e., from the loading side 107) of one of the storage units 101 of the feeding system 100.
  • the storage unit 101 comprises means 601 for guiding the cardboard sheets 106 stored within from the loading side 107 to the dispensing side 108 of the storage unit 101, and means 602 for biasing them towards said dispensing side 108.
  • the storage unit 101 is adapted to store cardboard sheets 106 of different formats.
  • the storage units 101 and the unitary feeder 102 are arranged forming a row, in which the unitary feeder 102 is at an end of said row, so that all the storage units 101 are on a same lateral side of the unitary feeder 102.
  • FIG. 9 provides another example of a feeding system according to a second embodiment of the present invention.
  • the feeding system 900 comprises three storage units 901, 901' and a unitary feeder 902, all arranged forming a row on a same side of a belt conveyor 903.
  • the unitary feeder 902 is at an intermediate position in said row, so that two storage units 901 are on the lateral side 904 of the unitary feeder 902 while a third storage unit 901' is on the opposite lateral side 905 of the unitary feeder 902.
  • Figures 1-3 and 9 show feeding systems that have been described as having, three storage units and a single unitary feeder, other examples of feeding systems according to the present invention may comprise more or fewer storage units and/or more than one unitary feeder.
  • a multiformat box forming machine capable of handling cardboard sheets of several different formats can be readily obtained by operatively coupling a mutiformat box forming module to the unitary feeder of the feeding systems according to the first or second exemplary embodiments discussed above in connection with Figures 1-3 and 9 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
EP14175407.7A 2014-07-02 2014-07-02 Système d'alimentation pour feuilles de carton d'alimentation sur un module de traitement desdites feuilles de carton et procédé associé Withdrawn EP2962970A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14175407.7A EP2962970A1 (fr) 2014-07-02 2014-07-02 Système d'alimentation pour feuilles de carton d'alimentation sur un module de traitement desdites feuilles de carton et procédé associé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14175407.7A EP2962970A1 (fr) 2014-07-02 2014-07-02 Système d'alimentation pour feuilles de carton d'alimentation sur un module de traitement desdites feuilles de carton et procédé associé

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EP2962970A1 true EP2962970A1 (fr) 2016-01-06

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EP14175407.7A Withdrawn EP2962970A1 (fr) 2014-07-02 2014-07-02 Système d'alimentation pour feuilles de carton d'alimentation sur un module de traitement desdites feuilles de carton et procédé associé

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4697973A (en) * 1986-01-21 1987-10-06 Adolph Coors Company Apparatus and method for handling folded cartons
DE20211007U1 (de) * 2002-07-19 2003-01-16 SUNDWIG-KOHLER GmbH, 77933 Lahr Saugband für eine Fördervorrichtung zum insbesondere hängenden Transport von Werkstücken
EP1394049A1 (fr) * 2002-08-27 2004-03-03 SIG Technology Ltd. Dispositif de séparation d'une machine d'encartonnage
US20050029338A1 (en) * 2001-09-25 2005-02-10 Martin Landwehr Stacker belt with engageable deposit boxes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4697973A (en) * 1986-01-21 1987-10-06 Adolph Coors Company Apparatus and method for handling folded cartons
US20050029338A1 (en) * 2001-09-25 2005-02-10 Martin Landwehr Stacker belt with engageable deposit boxes
DE20211007U1 (de) * 2002-07-19 2003-01-16 SUNDWIG-KOHLER GmbH, 77933 Lahr Saugband für eine Fördervorrichtung zum insbesondere hängenden Transport von Werkstücken
EP1394049A1 (fr) * 2002-08-27 2004-03-03 SIG Technology Ltd. Dispositif de séparation d'une machine d'encartonnage

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