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
  • B65H31/00—Pile receivers
  • B65H31/32—Auxiliary devices for receiving articles during removal of a completed 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
  • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
  • B65H29/16—Delivering or advancing articles from machines; Advancing articles to or into piles by contact of one face only with moving tapes, bands, or chains
  • B65H29/18—Delivering or advancing articles from machines; Advancing articles to or into piles by contact of one face only with moving tapes, bands, or chains and introducing into a 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
  • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
  • B65H29/66—Advancing articles in overlapping streams
  • B65H29/6609—Advancing articles in overlapping streams forming an overlapping stream
  • B65H29/6618—Advancing articles in overlapping streams forming an overlapping stream upon transfer from a first conveyor to a second conveyor advancing at slower 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
  • B65H2301/00—Handling processes for sheets or webs
  • B65H2301/40—Type of handling process
  • B65H2301/42—Piling, depiling, handling piles
  • B65H2301/421—Forming a pile
  • B65H2301/4212—Forming a pile of articles substantially horizontal
• • 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
  • B65H2404/25—Driving or guiding arrangements
  • B65H2404/254—Arrangement for varying the guiding or transport length
• • 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
  • B65H2701/1762—Corrugated

Definitions

• the invention relates to the field of plate-like processing machines, more particularly the methods and devices for receiving plate elements at the output of a machine for converting these plate elements, in particular a digital printing machine. .
• Cardboard plate receiving devices are known for processing machines of said plates under the name of Stacker.
• the plates for example of corrugated cardboard or micro-grooves, are large.
• Fig. 1 schematically illustrates a Stacker 10 according to the prior art which would have been adapted to the conditions of digital printing and which then operates as follows:
• the plates 1 leaving the processing machine 20 are laid on a tablecloth 2 to slow them down and are mounted to a height sufficient to be higher than the stack 3 to be formed and whose height approaches or typically exceeds two meters.
• a device 4 interrupts the sheet to allow the release of the battery 3 and / or a grid makes it possible to perform this function.
• the object of the invention is in particular to overcome the problems of size and cost of existing stackers adapted to the direction of passage of the plate elements used in digital printing, as well as the fact that digital printing does not require a high passage of the substrate in plate.
• At a start of packet step at least one plate member is transported to a stop and then deposited on an elevator to form the base of a package whose front edge corresponds to the stop;
• the plate elements are transported to a position corresponding to the rear edge of a package carried by the elevator, the elevator descending progressively as and when the package;
• the displacement of certain plate elements intended to form the base of the next packet is interrupted and the plate elements downstream of the interruption are transported to a position corresponding to the rear edge of the a package carried by the elevator;
• a method for receiving plate elements according to the invention is perfectly adapted to the specificities of digital printing, in particular the particular positioning of plate elements (small size in width and large dimension in thrust), and the low height of passage of plate elements during digital printing.
• the packet start step begins before the end of the evacuation step of the previous packet.
• the plate elements are tableclothed and transported in web during the package start and packet forming steps, the web being interrupted during the end of packet step.
• the evacuation of the package is carried out by transporting the package in a substantially horizontal direction and substantially parallel or perpendicular to the transport direction of the plate elements during the package building phase.
• the evacuation of the package is performed by grasping the package directly on the elevator by means of a clamp.
• the invention also relates to a device for receiving plate elements for a digital printing machine on corrugated board or microcannel board elements, comprising an elevator capable of carrying a pack of plate elements, a bumper defining the position of the front edge of the plate elements in the package and a transport device capable of transporting plate elements from the output of the machine to the elevator.
• the transport device is deformable and comprises a movable front edge between a package start position close to the bumper and a package constitution position close to the rear of the plate element package carried by the package. elevator.
• the device allows the implementation of the reception method, in particular by precisely depositing the plate elements without the risk of breaking or damage.
• the elevator comprises transport means able to evacuate the pack in a substantially horizontal direction and substantially parallel or perpendicular to the direction of movement of the plate elements by the transport device.
• the receiving device also comprises a tablecloth device and a web separator device.
• the device can reach a high rate by limiting the speed of movement of the elements in place, thus limiting the risk of damaging them.
• the bumper is movable between a package constitution position and a package evacuation position.
• the positioning of the package on the elevator can be adapted to the size of the plate elements.
• the front edge of the transport device is movable between a package start position near the bumper and a package evacuation position, with an intermediate position of package formation close to the back of the package. of plate elements carried by the elevator
• Fig. 1 shows a method and receiving device according to the prior art adapted to the conditions of digital printing
• - Fig. 2 represents a method and a receiving device according to the invention
• FIG. 4 show a transport device used in a receiving device according to the invention
• FIG. 5 and 6 show the evacuation of a package according to different modes of implementation of the invention
• FIG. 7 and FIG. 8 represent the seizure of a packet according to different modes of implementation of the invention.
• FIG. 9 shows a particular embodiment of the invention.
• Fig. 2 schematically shows a general view of a method of receiving plate elements 1 according to the invention and a receiving device 30 for carrying out this method.
• plate members 1 exit a machine 20 not shown having transformed them by performing a process on plates at a speed substantially constant.
• the plates 1 are separated from each other by a space which can be fixed or variable according to the process of the machine 20, without this affecting this innovation.
• a transport device 34 moves the plate elements 1 to an elevator 32.
• an optional tableting device 37 places the sheets 1 in a sheet by advancing a conveyor belt at a fraction of the speed of the machine 20. This fraction is defined by the operator and potentially depends on the plates 1 to be received and the speed of the machine 20, and can be for example of the order of a quarter.
• the transport device 34 may advantageously also be used as a tableting device 37 for tabling the plates 1.
• the transport device 34 is deformable as shown schematically in FIG. 3 and FIG. 4.
• the front edge 35 of the transport device 34 can be moved to lengthen or shorten the transport distance of the plate elements 1.
• a start of pack step the front edge 35 of the transport device 34 is brought to a position close to a stopper 31, and at least one plate member 1 is transported to the stopper 31, then deposited on an elevator 32 to form the base of a pack 33, the front edge of which corresponds to the stop 31.
• at least one plate element 1 is thus transported to the stop 31 and then the front edge 35 of the transport device 34 is moved to a package constitution position.
• the front edge 35 of the transport device 34 recedes, the base of the package 33 is deposited on the elevator 32 precisely and without any risk of breaking a plate 1.
• Fig. 2 represents an exemplary implementation of the invention during a packet building step.
• a stopper-sheet device 38 can interrupt if necessary the displacement of the plate elements 1 from the processing machine 20, separating a possible sheet in two when the plate elements are conveyed in sheet.
• the plate elements 1 downstream of the stop-sheet device 38 As the displacement of the plate elements 1 downstream of the stop-sheet device 38 is not interrupted, these plate elements will be transported to the top of the package 33 in the same manner as in the packet forming step.
• the plate elements 1 upstream of the stopper-sheet device 38 are retained by the stop-sheet device 38, and form an accumulation represented diagrammatically in FIG. 5 or FIG. 8.
• the transport device 34 or the possible tableting device 37 can be slowed, to limit the accumulation of plate elements 1 retained by the stopper-sheet device 38.
• the stopper-sheet device 38 takes the form of a conventional sheet separator device 38.
• the package 33 is evacuated and the elevator 32 moves upwards.
• the elevator 32 moves upwards.
• next packet start step may begin while the evacuation step of the previous packet is not yet complete.
• the evacuation mode of the packet 33 can take different forms.
• the elevator 32 comprises transport means 36 able to evacuate the pack 33 in a substantially horizontal direction and substantially parallel to the direction of movement of the plate elements 1 by the transport device 34.
• the elevator 32 comprises transport means 36 able to evacuate the pack 33 in a direction substantially horizontal and substantially perpendicular to the direction of movement of the plate elements 1 by the transport device 34.
• the packet mode of operation according to the invention also allows to deport the formation of batteries.
• Packages of relatively low height are formed and evacuated and eventually stacked in piles of high height. Thus the machine does not need to be raised to form piles directly.
• the use of a stoppe-sheet device 38 is not mandatory.
• FIG. 2 schematically show the use of a clamp 40, for example a robot gripper, to evacuate the package 33 during the evacuation phase.
• a clamp 40 for example a robot gripper
• the stopper 31 is fixed and the clamp 40 is provided so that the stopper 31 is inserted between the claws of the clamp 40 when it catches the package 33.
• the front edge 35 of the device of transport 34 is moved back to a package evacuation position corresponding to the maximum thrust accepted for the plate elements 1, ie to the maximum length of the plate elements 1.
• the clamp 40 is provided to effectively capture packages 33 whose elements can have different dimensions.
• the stopper 31 is movable. During the start of packet step the stopper 31 is positioned in a position of constituting package according to the dimensions of the plate elements 1 which will constitute the package 33, position that the stopper 31 keeps all along the step of package constitution. On the other hand, during the packet evacuation step, the stopper 31 is moved back to a packet evacuation position so as to allow the clamp 44 to grip the pack 33.
• the front edge 35 of the transport device 34 is moved back to a package evacuation position corresponding to the maximum thrust accepted for the plate elements 1, that is to say to the maximum length of the plate elements 1.
• the package 33 may be centered on the elevator 32 and also in the clamp 40 during its evacuation.
• the bumper 31 and the front edge 35 of the transport device 34 each have their own package constitution positions and package evacuation position.
• Fig. 9 schematically represents an embodiment in which the elevator 32 comprises transport means 36 able to evacuate at least one plate element 1, for example for quality control purposes.
• This embodiment can be used for example in the context of the embodiment shown in FIG. 6 in which case the evacuation for control purposes will preferably be in a direction opposite to the evacuation of the packs 33; or in conjunction with the use of a clamp 40 as in the embodiments shown in FIG. 2, FIG. 7 and FIG. 8.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Pile Receivers (AREA)
• Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
• Discharge By Other Means (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=55451416

Family Applications (1)

Country Status (6)

Family Cites Families (12)

• 2015
  • 2015-12-24 FR FR1563314A patent/FR3046148A1/fr not_active Withdrawn
• 2016
  • 2016-12-24 JP JP2018532359A patent/JP2019511436A/ja active Pending
  • 2016-12-24 WO PCT/EP2016/082674 patent/WO2017109232A1/fr active Application Filing
  • 2016-12-24 CN CN201680081177.6A patent/CN109071142A/zh active Pending
  • 2016-12-24 EP EP16822191.9A patent/EP3393949A1/de not_active Withdrawn
• 2018
  • 2018-06-18 IL IL260125A patent/IL260125A/en unknown

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