EP3414198B1 - Dispositif de saisie de feuilles d'encart, dispositif de chargement, station de reception des poses et machine de traitement d'elements en forme de feuilles - Google Patents

Dispositif de saisie de feuilles d'encart, dispositif de chargement, station de reception des poses et machine de traitement d'elements en forme de feuilles Download PDF

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Publication number
EP3414198B1
EP3414198B1 EP17703029.3A EP17703029A EP3414198B1 EP 3414198 B1 EP3414198 B1 EP 3414198B1 EP 17703029 A EP17703029 A EP 17703029A EP 3414198 B1 EP3414198 B1 EP 3414198B1
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EP
European Patent Office
Prior art keywords
pick
arm
sheet
insert
suction
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.)
Active
Application number
EP17703029.3A
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German (de)
English (en)
French (fr)
Other versions
EP3414198A1 (fr
Inventor
Patrice Chatry
Ludovic Cuennet
Maude STEINER
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.)
Bobst Mex SA
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Bobst Mex SA
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Filing date
Publication date
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Publication of EP3414198A1 publication Critical patent/EP3414198A1/fr
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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
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/0808—Suction grippers
    • B65H3/0816—Suction grippers separating from the top of pile
    • B65H3/0833—Suction grippers separating from the top of pile and acting on the front part of the articles relatively to the final separating direction
    • 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
    • B65H31/00—Pile receivers
    • B65H31/04—Pile receivers with movable end support arranged to recede as pile accumulates
    • B65H31/08—Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled one above another
    • B65H31/10—Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled one above another and applied at the top of the 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
    • 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
    • B65H33/00—Forming counted batches in delivery pile or stream of articles
    • B65H33/04—Forming counted batches in delivery pile or stream of articles by inserting marker slips in pile or stream
    • 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
    • B65H2301/426—Forming batches
    • B65H2301/4263—Feeding end plate or end sheet before formation or after completion of 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
    • B65H2402/00—Constructional details of the handling apparatus
    • B65H2402/30—Supports; Subassemblies; Mountings thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/30—Other features of supports for sheets
    • B65H2405/32—Supports for sheets partially insertable - extractable, e.g. upon sliding movement, drawer
    • B65H2405/323—Cantilever finger member, e.g. reciprocating in parallel to plane of handled material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/34—Suction grippers
    • B65H2406/341—Suction grippers being oscillated in arcuate paths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/34—Suction grippers
    • B65H2406/342—Suction grippers being reciprocated in a rectilinear path
    • 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
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/18—Form of handled article or web
    • B65H2701/182—Piled package
    • B65H2701/1826—Arrangement of sheets
    • B65H2701/18264—Pile of alternate articles of different properties, e.g. pile of working sheets with intermediate sheet between each working sheet
    • 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
    • B65H2801/42—Die-cutting

Definitions

  • the present invention relates to a device for entering insert sheets for inserting between stacks of poses in a reception area of a station for receiving poses.
  • the present invention also relates to a device for loading sheet inserts, a station for receiving poses and a machine for processing sheet-shaped elements comprising said device for entering sheet inserts.
  • the separation of the poses consists, after shaping and complete ejection of the waste, to break the attachment points between the poses of a sheet by means of a male upper tool and a female lower tool mounted vertically one above the other in the leaf receiving area.
  • the upper tool consists of pushing elements slightly smaller than the perimeter of the poses.
  • the lower tool consists of a grid whose mesh shape generally corresponds to the perimeter of the poses. The poses fall through these meshes and stack in vertical stacks in the reception area.
  • Inserting involves placing an insert sheet, such as a full sheet, between stacks of poses. So that this inserting can be carried out without requiring a concomitant shutdown of the production unit, a device commonly known as a non-stop reception grid is used.
  • an insert sheet is grabbed from a stack of insert sheets arranged near the reception area.
  • the insert sheet is then dropped onto the non-stop pose reception grid.
  • the non-stop receiving grid carrying the insert sheet then moves under the lower blanking tool.
  • the non-stop receiving grid returns over the stack of insert sheets to receive a new sheet. Leaving the reception area, the grid crosses the teeth of a comb which has pivoted into the retaining position to retain the insert sheet and thus the poses stacked on this insert sheet, in the reception area.
  • the non-stop reception grid thus allows the deposit of an insert sheet between the stacks of poses and the support of the poses during the evacuation of the stacks of poses without stopping production.
  • a suction cup device Typing the insert sheet and then depositing it on the non-stop receiving grid is generally carried out by means of a suction cup device.
  • An example of a known suction cup device comprises a suction cup bar which can pivot between a low position in which the suction cups come to grip the edge of an insert sheet and a high position to lift the sheet and then drop it on the non-stop receiving grid.
  • This device has the advantage of being compact, in particular, the size of the suction cup bar in the high position is compatible with the residual space located under the evacuation conveyor of the evacuation station, itself located above the insert sheet loading system.
  • the input area for insert sheets shifts from the edge of the sheet with the height of the stack of sheets lowering due to the mowing movement of the suction cup bar.
  • the positioning of the insert sheet can then become imprecise.
  • the insert sheet can be offset on the non-stop receiving grid, then offset between the poses of the stack. The correct positioning of the insert sheet between the stacks of poses is no longer guaranteed.
  • the document DE 195 16 023 A1 describes an inset device which lifts an insert sheet on a stack using a pivoting arm fitted with a suction cup and then deposits it on an inset grid when it leaves the poses reception area .
  • the suction cup device is then moved aside in order to allow the grid to rise, then to be inserted in the zone for receiving the poses.
  • the grid then lowers at a speed that corresponds to the rate of production of the poses. When the grid reaches a low position, it leaves the zone for receiving the blanks to receive a new insert sheet.
  • the insert sheet remains in the poses reception zone thanks to a vertical grid which retains it.
  • the document does not specify how the insert sheet is fixed and detached from the insert grid, nor how its position on the grid is adjusted.
  • One of the aims of the present invention is to provide an improved insert sheet entry device enabling the entry of the insert sheet in the same entry area, with a reduced footprint, whatever the height of the stack of sheets. insert.
  • the subject of the present invention is a device for inputting insert sheets for a device for loading inset sheets from a station for receiving poses, the input device comprising a suction element configured to capture an insert sheet, characterized in that the gripping device comprises a pivoting axis and at least one telescopic arm comprising a proximal arm, one end of which is fixed to the pivoting axis and a distal arm, movable relative to the proximal arm and one end of which is articulated in pivoting with the suction element to move the suction element between a high position and a low position according to a vertical movement of the suction element.
  • the combination of the pivoting movement of the telescopic arms and their lengthening / shortening allows vertical movement of the suction element between the high and low positions.
  • the input area can thus be carried out always at the same location on the insert sheet, making it possible to ensure that the insert sheet is correctly positioned for the inserting operation.
  • This device for gripping insert sheets therefore takes up little space while allowing the suction element to be lowered sufficiently low into the housing of the container to grip an insert sheet at the bottom of the container.
  • Such a space-saving arrangement is simpler and more economical to produce than, for example, providing a vertically movable container depending on the height of the stack contained.
  • the invention also relates to a device for loading insert sheets, characterized in that it comprises a device for entering insert sheets as defined above.
  • the subject of the invention is also a station for receiving the poses of a machine for processing sheet-shaped elements, characterized in that it comprises a device for loading inset sheets as defined above.
  • the invention also relates to a machine for processing elements in the form of sheets, characterized in that it comprises a station for receiving poses as defined above.
  • the transverse direction T is the direction perpendicular to the longitudinal direction of movement D of a sheet, as illustrated by the arrow D on the figures 1 and 2 .
  • the horizontal plane corresponds to the (L, T) plane.
  • upstream and downstream are defined with reference to the longitudinal direction of movement D.
  • the sheets move from upstream to downstream, generally following the main longitudinal axis of the machine, in a movement clocked by periodic stops.
  • flat elements and “sheets” will be considered equivalent, and will relate to elements composed of corrugated cardboard as well as flat cardboard, paper or any other material commonly used in the packaging industry. It is understood that throughout this text, the terms “leaf” or “leaf element” or “element in sheet form “means very generally any print medium in the form of sheets such as, for example, sheets of cardboard, paper, plastic material, etc.
  • the figure 1 shows an example of processing machine 1 for processing sheets.
  • This processing machine 1 is conventionally composed of several work stations which are juxtaposed but interdependent one by one to form a unitary assembly. There is thus an introduction station 100, a margin table 200, a processing station 300 for cutting the sheets, such as comprising a plate press 301, a waste ejection station 400, a station for receiving the poses 500 where the transformed sheets are repackaged in a pile and the cut sheet waste is disposed of.
  • each sheet takes place in the transformation station 300, for example between a fixed plate and a lower movable plate of the press 301 for cutting the sheets according to a matrix corresponding to the developed shape which is wishes to obtain, for example in order to obtain a plurality of boxes of a given shape.
  • the movable stage rises and falls successively once during each machine cycle.
  • a transport device 70 is also provided for individually moving each sheet from the output of the margin table 200 to the station receiving station 500, passing through the transformer station 300 by press.
  • the transport device 70 comprises a plurality of transverse bars provided with grippers, commonly called gripper bars 75 which each come in their turn to grab a sheet at its front edge, before drawing it successively in the various stations of the stations 300, 400, 500 of machine 1.
  • the ends of the clamp bars 75 are each connected respectively to a side chain forming a loop, commonly called chain train 80.
  • Chain train 80 Two chain trains 80 are thus arranged laterally on each side of the clamp bars 75.
  • the set of gripper bars 75 will start from a stopped position, accelerate, reach a maximum speed decelerate, then stop, thus describing a cycle corresponding to the movement of a sheet from one workstation to the next workstation.
  • the chain trains 80 move and stop periodically so that, during each movement, all the gripper bars 75 engaged with a sheet are passed from one station to the adjacent downstream work station. Each station performs its work in synchronism with this so-called cycle commonly machine cycle.
  • the workstations are in the initial position to start a new job at the start of each machine cycle.
  • the number and nature of the processing stations in a processing machine 1 can vary depending on the nature and the complexity of the operations to be performed on the sheets. In the context of the invention, the concept of processing machine thus covers a very large number of embodiments due to the modular structure of these assemblies. Depending on the number, nature and arrangement of the workstations used, it is indeed possible to obtain a multitude of different processing machines. It is also important to underline that there are other types of work stations than those mentioned, such as embossing, upsetting stations or such as stations for loading stripes for stamping for stamping machine or foil stamping machine. hot foil stamping in which between the platens of a press, patterns are applied to each sheet, from a film made from one or more stamping bands. Finally, it is understood that the same processing machine may very well be equipped with several stations of the same type.
  • the attachment points between the poses of a sheet are broken by means of a male upper tool and a female lower tool mounted vertically one above the other in a receiving zone 2 shown in the figure 2 .
  • the upper tool consists of pushing elements slightly smaller than the perimeter of the poses.
  • the lower tool 3 is formed of a grid, the mesh shape of which generally corresponds to the periphery of the poses.
  • the lower tool 3 comprises longitudinal and transverse bars forming a grid with square meshes. The poses fall through the meshes of this grid and stack in vertical stacks in the reception zone 2 on a reception pallet 4 carried by a frame 501 of the station 500, vertically movable.
  • the poses reception station 500 includes a device 10 for loading inset sheets, fixed to the frame of the machine 1.
  • Insetting consists in placing an inset sheet, such as a full sheet, between stacks of poses in the reception area 2.
  • the loading device 10 comprises a tray 11 for reserving insert sheets, a non-stop reception grid 12, a device 13 for gripping insert sheets and a pivoting retaining comb 14.
  • the tray 11 includes a housing 9 intended to receive a stack 8 of insert sheets.
  • the tank 11 is movable in translation in the transverse direction T so that it can be reloaded by an operator through a window of the frame 16 of the loading device 10, from one side of the loading device 10.
  • the container 11 can be mounted on two transverse slides 15 and include a handle, such as a drawer.
  • the non-stop reception grid 12 is movable in translation in the longitudinal direction of movement of the sheets D between a retracted position above the tray 11 to receive an insert sheet ( figure 3 ) and an extended position for inserting the insert sheet into the receiving area 2 ( figure 2 ).
  • the non-stop reception grid 12 comprises at least one crosspiece carrying a plurality of longitudinal bars.
  • the ends of the cross member are for example provided with rotating rollers, cooperating with longitudinal slides 17 carried by the frame 16.
  • the drive in translation of the receiving grid 12 is provided by two chains 18 driven by a motor (not visible) , controlled by a control unit 7 of the processing machine 1, to program an insert when the stack of poses reaches the desired height.
  • the retaining comb 14 has teeth regularly spaced in the transverse direction.
  • the comb 14 is pivotally mounted around a transverse axis interposed between the tray 11 and the reception area 2 of the poses.
  • the comb 14 is pivotable between a retaining position in which the teeth of the comb 14 pass between the longitudinal bars of the non-stop receiving grid 12 and a released position in which the teeth of the comb are retracted.
  • the input device 13 for insert sheets is arranged above the non-stop reception grid 12 when the latter is in the retracted position.
  • the gripping device 13 is configured to lift an insert sheet in the insert sheet reserve tray 11 and to deposit the raised insert sheet on the non-stop receiving grid 12 when the latter moves into position retracted above bin 11.
  • the input device 13 for inserting sheets comprises a suction element 20 configured to grip an insert sheet and comprises a support 21 intended to be mounted on the frame 16 of the loading device 10, for carrying and moving the suction element 20 towards or away from the stack 8 of insert sheets.
  • the support 21 can be mounted in longitudinal sliding on the frame 16 to adapt the longitudinal positioning of the entry area to the format of the insert sheets.
  • the support 21 comprises a pivoting axis 30 and at least one telescopic arm 33.
  • the telescopic arm 33 comprises a proximal arm 33a, one end of which is fixed to the pivoting axis 30 and a distal arm 33b, movable relative to the proximal arm 33a in the main direction of the proximal arm 33a.
  • One end of the distal arm 33b is pivotally articulated with the suction element 20 to move the suction element 20 between a high position ( figure 6a ) and a low position ( figure 6b ).
  • the rotation of the pivoting axis 30 causes the telescopic arms 33 to be lengthened or shortened.
  • the combination of the pivoting movement of the telescopic arms 33 and their lengthening / shortening makes it possible to effect a vertical movement of the suction element 20 between the high and low positions.
  • the telescopic arm 33 can be in a position close to the horizontal in the high position ( figures 5 and 6a ), that is to say that the telescopic arm 33 is arranged horizontally in the high position with a possible inclination relative to the horizontal of less than +/- 5 °, which limits the size of the device. grip 13 in the high position.
  • Such an arrangement has a reduced bulk and is simple and economical to produce.
  • the suction element 20 is connected to a vacuum source, such as a vacuum pump or a Venturi device, for example by means of hoses carried on the one hand, by a hose holder 19 in the shape of a "U". »Of the support 21 and on the other hand, by a case 25 of the support 21.
  • the case 25 is for example fixed to the pivoting axis 30.
  • the hoses make it possible to adapt the length of the pipes to the high or low position of the suction element 20.
  • the hose holder 19 facilitates the guidance of the hoses, in particular when the support 21 slides on the frame 16.
  • the housing 25 makes it possible to accommodate an excess of length of the hoses to allow their extension when the gripping device 13 is in the low position.
  • the case 25 is for example arranged in the center of the pivoting axis 30.
  • the vacuum source is controlled by the control unit 7 to establish a low suction pressure in the suction element 20 or to stop the suction.
  • the suction element 20 includes one or a plurality of suction heads 23, such as suction cups.
  • the suction cups have a flexible cap which can be maintained by air pressure on the surface of the insert sheet.
  • the suction heads 23 can be pivotally mounted about a transverse axis so that the gravity and / or the suction force makes it possible to correctly orient the suction heads 23 flat against the insert sheet.
  • the suction element 20 comprises a suction bar comprising a transverse bar 22, perpendicular to the longitudinal direction of movement of the sheets D.
  • the suction element 20 comprises a suction bar provided with five suction heads 23 arranged symmetrically and pivotally mounted in the transverse bar 22.
  • the support 21 comprises for example two telescopic arms 33, the respective ends of which are pivotally articulated with a respective end of the suction bar, which gives better rigidity to the system and facilitates the alignment of the suction heads 23.
  • the suction element 20 comprises for example a cylindrical pin 24 at each end cooperating with a complementary orifice formed in the end of the distal arm 33b.
  • the telescopic arms 33, the pivoting axis 30 and the suction bar 20 form a substantially horizontal frame in the high position ( figure 5 ).
  • One of the arms among the distal arm 33b and the proximal arm 33a has at least one oblong hole 34 with linear guide extending in the main direction of the proximal arm 33a, such as a groove.
  • the oblong hole 34 cooperates with at least one pin 35 carried by the other arm, to modify the length of the telescopic arm 33, that is to say lengthen or shorten the length of the distal arm 33b relative to the proximal arm 33a.
  • the proximal arm 33a comprises for example two aligned oblong holes 34 cooperating with a respective pin 35 of the distal arm 33b.
  • the length of the oblong holes 34 is for example between 30 and 50mm, such as of the order of 40mm.
  • the distal arm 33b is movable in sliding with respect to the proximal arm 33a by means of a rail carried by the proximal arm 33a or by the arm distal 33b, the other arm carrying a complementary rib.
  • the distal arm 33b can be moved into the proximal arm 33a, the distal arm 33b and the proximal arm 33a having, for example, complementary cylindrical shapes.
  • the support 21 may further comprise at least one control element 36 for the elongation of the distal arm 33b as a function of the pivoting angle of the pivoting axis 30, configured to cooperate with the distal arm 33b of the telescopic arm 33.
  • the control element 36 comprises for example a linear or curved guide.
  • the control element 36 comprises for example a cam roller and a cam, one being carried by the distal arm 33b, the other being fixed to the transverse beam 38 (not shown).
  • the cam roller is biased against the cam, the cam surface defining the elongation of the distal arm 33b as a function of the pivot angle of the pivot axis 30.
  • control element 36 has an inclined groove 39, which is particularly simple to produce in order to obtain the vertical movement of the suction element 20.
  • the groove 39 extends along a straight line forming an angle, for example understood between 25 ° and 55 ° with the vertical.
  • the inclined groove 39 is formed in a plate 37, fixed to the transverse beam 38 of the support 21.
  • the inclined groove 39 cooperates with a protuberance 40 carried by the end of the distal arm 33b.
  • the positioning of the distal arm 33b in a first position 39a of the groove 39 corresponds to a minimum elongation of the telescopic arm 33 in the high position.
  • the positioning of the distal arm 33b in a second position 39b of the groove 39 corresponds to a maximum elongation of the telescopic arm 33 in the low position, after the telescopic arm 33 has pivoted by a maximum predetermined angle ⁇ between the first and the second position .
  • the hypotenuse of a right triangle T, one of the catheters of which, the longest b, corresponds to the elongation a of the telescopic arm 33 over said predetermined maximum angle ⁇ fits into said groove 39.
  • Each proximal arm 33a is for example formed of a double wall sandwiching a distal arm 33b, for example by covering the distal arm 33b approximately on its two thirds in the high position ( figure 6a ).
  • Oblong holes 34 are formed on each wall of the double wall in parallel and cooperate with pins 35 arranged on either side of the distal arm 33b.
  • the plates 37 of the control elements 36 of the telescopic arms 33 are for example interposed between the walls of the double wall of the proximal arms 33a, upstream of the distal arms 33b.
  • the gripping device 13 may comprise at least one actuator 41, such as a jack, such as a pneumatic jack, configured to drive the pivoting axis 30 in pivoting ( figure 5 ).
  • the actuator 41 is for example configured to stop automatically under the effect of a counter-force.
  • the actuator 41 which stops the drive in rotation.
  • the stroke of the actuator 41 can thus be modulated as a function of the height of the stack 8 of inset sheets.
  • the gripping device may comprise a lever 42, the actuator 41 being connected to a first end of the lever 42, a second end of which is fixed to the pivoting axis 30.
  • the lever 42 is for example connected to one end of the axis pivoting 30 located on the outside of the side cheek 32 on which the actuator 41 can be fixed. Actuation of the cylinder rotates the lever 42, driving the pivoting axis 30 in rotation and consecutively, the elongation or shortening of the distal arms 33b.
  • the pivoting axis 30 pivots for example in bearings 31 fixed to the lateral cheeks 32 of the support 21.
  • the gripping device 13 comprises a first and a second pivoting axes aligned transversely and cooperating with a respective fixed bearing 31 on a respective side cheek 32 (not shown).
  • the gripping device 13 comprises two actuators 41, configured to drive a respective pivoting axis.
  • the rotary drive of the pivoting axis 30 (clockwise on the Figures 6a, 6b ) translates the pins 35 of the distal arms 33b into the oblong holes 34 of the proximal arms 33a and translates the protuberance 40 into the inclined groove 39 of the control element 36, lengthening the telescopic arms 33.
  • This rotation-elongation combination of telescopic arm 33 moves the suction element 20 vertically towards the stack 8 of insert sheets in the housing 9 of the tray 11 in the low position ( figure 6b ).
  • the suction element 20 then comes into contact with the edge of the insert sheet at the height where it is in the housing 9.
  • the gripping area can thus be carried out always at the same place on the insert sheet regardless of the height of the stack 8 of insert sheets.
  • the suction force of the suction element 20 and / or gravity correctly positions the suction element 20 to grip a flat insert sheet.
  • the actuator 41 automatically stops the pivoting drive of the pivoting axis 30 under the effect of this counter-force.
  • the actuator 41 is controlled by the control unit 7 to drive the pivoting axis 30 in the opposite direction, which has the effect of shortening the telescopic arms 33 and lifting the sheet d insert in the high position by a vertical movement of the suction element ( figure 6a ).
  • the insert sheet can then be dropped on the non-stop poses reception grid 12 on its return from the reception zone 2 in the retracted position ( figure 3 ).
  • This input device 13 for insert sheets therefore takes up little space, even in the high position, which makes it possible to arrange the input device 13 under the discharge conveyor of the machine 1.
  • the input device 13 allows in addition to lowering the suction element 20 sufficiently low in the housing 9 of the container 11 to be able to grasp an insert sheet at the bottom of the container 11.
  • the non-stop reception grid 12 carrying the insert sheet then moves under the lower tool 3 for separating the blanks to deposit the insert sheet.
  • the non-stop receiving grid 12 then returns to the top of the stack of insert sheets to receive a new sheet. Leaving the reception zone 2, the non-stop reception grid 12 crosses the teeth of the retaining comb 14 which has pivoted into the retaining position ( figure 2 ) to retain the insert sheet and therefore, the poses stacked on this insert sheet.
  • the non-stop reception grid 12 thus makes it possible to deposit an insert sheet between the stacks of poses and can also make it possible to support the poses during the evacuation of the receiving pallet 4 carrying the stacks of poses and the insertion of a new empty receiving pallet 4 without stopping production.
  • the invention is not limited to a device 10 for loading inset sheets comprising a non-stop reception grid 12 adapted to ensure the inserting operations but can also be applied to a loading device 10 ' provided on the one hand, with a non-stop reception grid for the poses 50 and on the other hand, with a mobile inserter 51.
  • the inserter 51 is movable between a retracted position for receiving an insert sheet and an extended position for depositing the insert sheet in the reception zone 2 between the stacks of poses.
  • the translational drive of the inserter 51 is provided by two chains 18 driven by an actuator, such as a pneumatic linear cylinder (not visible), controlled by the control unit 7 of the processing machine 1, for programming an insert when the stack of poses reaches the desired height.
  • the support of the poses during the evacuation of the stacks of poses without stopping the production is carried out by the non-stop reception grid for the poses 50 distinct, situated above the inserter 51.
  • the non-stop reception grid for the poses 50 comprises a plurality of longitudinal bars. It is movable in the longitudinal direction L between a retracted position in which it is located above the gripping device 13 and an extended position in the reception zone 2 of the pose reception station 500 for receiving the poses during the evacuation of the reception pallet 4.
  • the non-stop reception grid for the poses 50 is also vertically movable by motorized drive to adapt to the level of accumulation of poses.
  • the non-stop reception grid for the poses 50 of this embodiment does not provide the inserting function.
  • the invention is not limited to a pose reception station 500 in which the attachment points between the poses are separate but can be applied to a pose reception station receiving stacks of full sheets.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Manipulator (AREA)
EP17703029.3A 2016-02-12 2017-02-07 Dispositif de saisie de feuilles d'encart, dispositif de chargement, station de reception des poses et machine de traitement d'elements en forme de feuilles Active EP3414198B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16020041 2016-02-12
PCT/EP2017/025021 WO2017137169A1 (fr) 2016-02-12 2017-02-07 Dispositif de saisie de feuilles d'encart, dispositif de chargement, station de reception des poses et machine de traitement d'elements en forme de feuilles

Publications (2)

Publication Number Publication Date
EP3414198A1 EP3414198A1 (fr) 2018-12-19
EP3414198B1 true EP3414198B1 (fr) 2020-05-06

Family

ID=55435932

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17703029.3A Active EP3414198B1 (fr) 2016-02-12 2017-02-07 Dispositif de saisie de feuilles d'encart, dispositif de chargement, station de reception des poses et machine de traitement d'elements en forme de feuilles

Country Status (8)

Country Link
US (1) US10913624B2 (ja)
EP (1) EP3414198B1 (ja)
JP (1) JP6790106B2 (ja)
KR (1) KR102116625B1 (ja)
CN (1) CN109071143B (ja)
BR (1) BR112018015539B1 (ja)
ES (1) ES2797086T3 (ja)
WO (1) WO2017137169A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109702104A (zh) * 2019-01-27 2019-05-03 泰珂力得精密部件(苏州)有限公司 一种板件的进料机构
CN113120665B (zh) * 2020-01-16 2024-07-19 四川卡库机器人科技有限公司 片状物料接收装置及接收方法
CA3175163A1 (en) * 2020-03-18 2021-09-23 Bobst Mex Sa Grasping system and method for inserting separation sheets in a receptacle

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5326063A (en) 1976-06-14 1978-03-10 Kurisuchian Bunderuritsuhi Method and device for separating and piling sheets such as paper* thick paper* etc*
DE3211610C2 (de) * 1982-03-30 1985-04-18 Agfa-Gevaert Ag, 5090 Leverkusen Vorrichtung zum Abnehmen eines Blattes von einem Stapel
DE3211609C2 (de) * 1982-03-30 1987-05-07 Agfa-Gevaert Ag, 5090 Leverkusen Vorrichtung zum Abnehmen eines Blattes von einem Stapel
US4566846A (en) * 1982-12-17 1986-01-28 Kliklok Corporation Carton transfer apparatus with effective constant length inverting arm
US5286016A (en) * 1992-09-16 1994-02-15 Brackett, Inc. Apparatus and method for inserting sheets into lapstream in a direction opposite to conveying direction
DE19516023B4 (de) 1995-05-04 2004-03-18 Heidelberger Druckmaschinen Ag Vorrichtung zum Stapeln von gestanzten Bögen
US5917930A (en) * 1996-07-31 1999-06-29 Currency Systems International Method for semi-continuous currency processing using separator cards
CN202449655U (zh) * 2012-01-17 2012-09-26 天津长荣印刷设备股份有限公司 一种铺纸装置

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
US10913624B2 (en) 2021-02-09
JP6790106B2 (ja) 2020-11-25
KR20180110065A (ko) 2018-10-08
EP3414198A1 (fr) 2018-12-19
JP2019504808A (ja) 2019-02-21
CN109071143A (zh) 2018-12-21
WO2017137169A1 (fr) 2017-08-17
BR112018015539B1 (pt) 2023-04-11
US20190047807A1 (en) 2019-02-14
KR102116625B1 (ko) 2020-05-29
CN109071143B (zh) 2020-08-14
BR112018015539A2 (pt) 2018-12-26
ES2797086T3 (es) 2020-12-01

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