EP3209585B1 - Vorrichtung zur seitlichen positionierung eines plattenelements mit mitteln zum detektieren von überlappenden gegenständen. - Google Patents

Vorrichtung zur seitlichen positionierung eines plattenelements mit mitteln zum detektieren von überlappenden gegenständen. Download PDF

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Publication number
EP3209585B1
EP3209585B1 EP15785054.6A EP15785054A EP3209585B1 EP 3209585 B1 EP3209585 B1 EP 3209585B1 EP 15785054 A EP15785054 A EP 15785054A EP 3209585 B1 EP3209585 B1 EP 3209585B1
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EP
European Patent Office
Prior art keywords
plate element
lever
pusher
detector
configuration
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
EP15785054.6A
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English (en)
French (fr)
Other versions
EP3209585A1 (de
Inventor
Pierre-Frédéric COLLOMB
Yang Du
David GUILLAUME-GENTIL
Daniel Hermann
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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Publication date
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Publication of EP3209585A1 publication Critical patent/EP3209585A1/de
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Publication of EP3209585B1 publication Critical patent/EP3209585B1/de
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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
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/10—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position
    • 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
    • B65H7/06—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 presence of faulty articles or incorrect separation or feed
    • B65H7/12—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 presence of faulty articles or incorrect separation or feed responsive to double feed or separation
    • 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
    • B65H5/10—Reciprocating or oscillating grippers, e.g. suction or gripper tables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/10—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position
    • B65H9/103—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position acting by friction or suction on the article for pushing or pulling it into registered position, e.g. against a stop
    • B65H9/106—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position acting by friction or suction on the article for pushing or pulling it into registered position, e.g. against a stop using rotary driven elements as part acting on the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F21/00—Devices for conveying sheets through printing apparatus or machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2220/00—Function indicators
    • B65H2220/01—Function indicators indicating an entity as a function of which control, adjustment or change is performed, i.e. input
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2220/00—Function indicators
    • B65H2220/03—Function indicators indicating an entity which is measured, estimated, evaluated, calculated or determined but which does not constitute an entity which is adjusted or changed by the control process per se
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2220/00—Function indicators
    • B65H2220/11—Function indicators indicating that the input or output entities exclusively relate to machine elements
    • 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
    • B65H2511/10—Size; Dimensions
    • B65H2511/11—Length
    • B65H2511/112—Length of a loop, e.g. a free loop or a loop of dancer rollers
    • 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
    • B65H2511/10—Size; Dimensions
    • B65H2511/13—Thickness
    • 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
    • B65H2511/20—Location in space
    • B65H2511/21—Angle
    • B65H2511/212—Rotary position
    • 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
    • B65H2511/20—Location in space
    • B65H2511/23—Coordinates, e.g. three dimensional coordinates
    • 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
    • B65H2511/52—Defective operating conditions
    • B65H2511/524—Multiple articles, e.g. double feed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/60—Details of intermediate means between the sensing means and the element to be sensed
    • B65H2553/61—Mechanical means, e.g. contact arms
    • 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
    • B65H2701/13—Parts concerned of the handled material
    • B65H2701/131—Edges
    • B65H2701/1315—Edges side edges, i.e. regarded in context of transport
    • 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
    • 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

Definitions

  • the present invention relates to a device for lateral positioning of a plate element, such as a sheet, in particular for an introduction station.
  • the present invention also relates to an introduction station comprising such a device and a plate element processing machine comprising such an introduction station.
  • the flat element On such a feed table located upstream of a cutting machine or of a platen press, the flat element is advanced against one or more front cleats by first means, such as endless belts or rollers, then is brought by second means against one or more lateral positioning cleats before the front edge of this element is gripped by a series of grippers mounted on a gripper bar mounted on a chain train.
  • first means such as endless belts or rollers
  • Such a device is used for the precise lateral positioning of flat elements which have already received one or more impressions, the subsequent operation possibly being either a stamping process, for example hot-stamping known as hot foil stamping in a platen press, or an operation of cutting and ejecting waste in such a press.
  • This subsequent operation must be carried out in strict accordance with the previous impressions.
  • Lateral positioning devices used to date provide jogging of the sheets. They firstly comprise a lower roller driven in rotation, arranged transversely to the direction of movement of a sheet, and this close to a lateral stop located on the left side of the table, as also seen according to the direction of movement of the sheet. the sheet, side usually called the driver's side. These devices then include an upper roller mounted vertically to the roller, at the end of an arm which, at rest, is in the high position. This arm is regularly lowered each time a flat element arrives against the front cleats, so that the upper roller clamps this flat element against the motorized lower roller which generates, by pulling on this element, a corrective displacement up to side cleat.
  • the document EP 0669274 describes a device for lateral positioning of a flat element in a feed table, having elements for gripping the element flat (by pulling or pushing) with extended surfaces. In this way, it is desired to avoid damaging the gripping surfaces of the flat element.
  • a complementary device located at the entrance of the positioning device, comprising an upper wheel and a lower wheel located in the same vertical plane. and the spacing of which is set to the value of the thickness of a single flat element.
  • the document JP 3426850 describes a positioning device in which the flat element is moved laterally in one or the other direction of the transverse direction, by means of a guide device comprising two pairs of upper and lower rollers located in the same plane vertical, each mounted on a different side. Each pair of rollers can be disengaged and the direction of rotation of the rollers can be reversed in order to allow the drive of the flat element in the direction required to rectify its positioning.
  • this gripping method tends to mark flat corrugated cardboard type elements which are more sensitive to pinching than flat cardboard.
  • the document JPS 6047751 U describes a device with a pivoting lever arm carrying at its end directed towards the flat element a freely rotating roller located above a drive wheel rotated continuously by a worm, in order to take together the flat element and pull it against the side stop.
  • the roller of the pivoting lever can be moved aside or withdrawn in order to change from the mode of displacement of the flat element by pulling to a mode of displacement of the flat element by pushing.
  • the document JPH 0430203 ( JPS62147642 ) describes a positioning device in which the flat element is moved laterally in one or the other direction of the transverse direction, by means of a guide device comprising a pair of upper and lower rollers located in the same vertical plane.
  • the upper roller is mounted freely and the direction of rotation of the lower roller can be reversed in order to allow the drive of the flat element in the direction required to rectify its positioning.
  • This same guiding device is present on each side of the positioning station
  • the document EP 2 657 165 A2 discloses a device for measuring the thickness of a fed plate, this device comprises an articulated lever with two ends.
  • An aim of the present invention is to provide a lateral positioning device free from the limitations of known devices.
  • Another object of the invention is to provide a lateral positioning device of simple and economical design. which controls the thickness of the plate element during its lateral positioning.
  • Such detection makes it possible to stop the operation of the treatment machine in advance of any jamming incident, to remove the superfluous plate element in the presence of a pair of superimposed plate elements or more generally to remove any arrangement of 'plate element not conforming to the expected thickness, and thus allow the machine to be restarted quickly. In this way, the downtime of the machine has been reduced to a minimum, which is beneficial in terms of the efficiency of the machine.
  • the present invention aims to provide a lateral positioning device adaptable to very variable thicknesses and rigidity of plate elements, ranging from flat cardboard having any basis weight, passing through single-layer or double-layer corrugated cardboard. or multilayer, up to multilayer complex cardboard combining flat cardboard and corrugated cardboard.
  • a device for lateral positioning of a plate element, in a machine for processing plate elements comprises a detector lever, articulated with respect to a horizontal axis, and capable of in effecting a downward movement from a high position to a low position, a first end of the detector lever being arranged to come in the low position in contact with an upper face of the plate member, and a second end of the detector lever being provided with a target cooperating with a position detector to generate a signal depending on the thickness of the plate member and the number of plate members present at the first end of the detector lever.
  • the lateral positioning device further comprises a system for detecting the presence of two superimposed plate elements by measuring the distance between a detector roller, mounted, optionally freewheeling, on the first end of a detector lever and the upper face of the support for receiving the plate element.
  • the lateral positioning device further comprises a main lever carrying at its first end a support roller and arranged so that at the end of the downward stroke of its first end, the first end of the lever main is either lowered, according to a first configuration, to apply the support roller against the upper face of the plate element, so as to press the plate element against a shelf of the feed table, is raised, according to a second configuration, to avoid crushing the plate element.
  • a lateral positioning device that is completely adaptable to different types of plate elements, such as plate elements, for example of the corrugated cardboard sheet type.
  • the lateral positioning device further comprises a feed wheel for pressing the plate element against the lateral margin stop.
  • a feed wheel has a rotational movement alternately in one direction and then in the other direction, for the individual cadenced drive of each plate element on the shelf in the direction of the lateral margin stop.
  • the main lever carries the support roller which is adapted to approach the feed wheel, during a downward movement of the first end of the main lever, when the lateral edge of the The plate member is near or against the side margin stop.
  • the second end of the detector lever is equipped with a metal target which cooperates with a detection head of the position detector, equipped with an inductive type proximity sensor.
  • the proximity sensor realizes, without contact, the measurement of the distance between the metal target and the detection head, which makes it possible to deduce, when the detection roller presses on the upper face of an element in plate, the thickness of the latter.
  • the detector lever is coupled to the main lever.
  • the coupling of the movement of the detector lever to the movement of the main lever makes it possible, by a single command, to lower the support roller in the direction of the plate element which undergoes its lateral positioning (with or without contact between the support roller and the plate element) and to lower the detector roller until contact with this same plate element for the measurement of its thickness.
  • the device further comprises a braking system making it possible to slow down the downward movement of the first end of the detector lever during the downward movement of the first end of the main lever. In this way, it is avoided that the sensor roller hits the plate element, which could damage its surface, and to avoid a rebound movement of the sensor roller on the upper face of the plate element, which could disturb and distort the measurement of its thickness.
  • the brake is a passive brake with permanent magnets, the magnets of which cooperate with a braking portion of the detector lever having a variable surface as a function of the position of the detector lever.
  • the detector lever is rotatably mounted around a shaft on which is disposed a helical spring mounted in preload so as to exert a force tending to drive down the first end of the detector lever.
  • a helical spring mounted in preload so as to exert a force tending to drive down the first end of the detector lever.
  • the support roller in a first configuration in puller mode of the lateral positioning device which is the subject of the present invention, during the descent of the first end of the main lever, the support roller is able to come resting against the upper face of a plate element arranged on the receiving support, between the support roller and the feed wheel, so as to allow the gripping of the plate element which is driven by the feed wheel in the direction of and up to the side margin stop, whereby the lateral positioning of the plate member against the side margin stop is achieved.
  • This first configuration allows the lateral positioning device to position the plate element correctly laterally by pulling it in the direction of the lateral margin stop, its engagement being ensured between the support roller and the superimposed feed wheel, which rotate. opposite to each other around parallel axes of rotation.
  • the support roller in a second configuration in pusher mode of the lateral positioning device which is the subject of the present invention, at the end of the downward stroke of the first end of the main lever, the support roller remains above the feed wheel and at a distance from the feed wheel preventing it from resting against the upper face of a plate element arranged between the support roller and the feed wheel.
  • the support roller in this second configuration, is in a raised position preventing it from resting against the upper face of a plate element arranged on the receiving support.
  • This second configuration of the device which is implemented as an alternative to the aforementioned first configuration, allows the lateral positioning device to position laterally correctly the plate element by pushing it with the pusher by one of its sides, and thus advance this plate element to the desired position.
  • the lateral positioning device according to the present invention is adaptable to any type of plate element, and in particular to any type of cardboard, such as flat cardboard and corrugated cardboard. This avoids having to remove from the feed table a lateral positioning device of a first type, in particular of the puller type, and which would therefore only be suitable for compact plate elements, in order to mount a device in its place. lateral positioning of a second type, in particular of the pusher type, and which would therefore be suitable for fairly thick plate elements.
  • the first configuration will be used for boxes that are sufficiently compact so that their lateral positioning by pinching between the support roller and the feed wheel does not generate a visible mark on the surface of the box.
  • This first configuration can thus be used for cardboard plates of any thickness and in particular for thin cardboards, for example with a thickness of between 0.1 mm and 3 mm.
  • the second configuration is preferably reserved for less compact plate elements, which would be marked on the surface by a pinch.
  • the second configuration is used for solid plate elements or else plate elements containing corrugated cardboard. In practice, this second configuration can for example be used for plate elements having a thickness greater than or equal to 2 mm.
  • the pusher In the first configuration of the lateral positioning device, the pusher is in the rest position and serves as a stop for the shooter. In this way, the pusher does not act while advancing and does not push the plate element which arrives in this case up to its desired lateral position, being first sandwiched and clamped between the feed wheel. and the support roller, then driven by the rotational movement of the feed wheel which rotates while the plate member is still slightly clamped between the feed wheel and the support roller, the lateral displacement of the plate element stopping when it comes up against the lateral margin stop which blocks any possibility of lateral displacement.
  • the pusher In the second configuration, the pusher is in the working position. In this way, the pusher can push the plate element from its initial position. to its final position corresponding to the desired lateral position, when the pusher advances from its retracted position to its advanced position.
  • the direction of movement of the plate element is different and reversed between the first configuration and the second configuration.
  • the lateral margin stop and the pusher belong to the same part.
  • a plate member disposed on the shelf is at the same height as the pusher in its rest position, so that, in the first configuration of the device, the plate member is able to be driven by the wheel. brought in the direction of and up to the pusher, whereby its lateral positioning is achieved.
  • An introduction station comprises the lateral positioning device having one or more technical characteristics described and claimed, on one of the two sides of the driver's side and the side opposite to the driver.
  • an introduction station further comprises a complementary lateral positioning device arranged on the other among the driver's side and the side opposite the driver.
  • the invention also relates to a machine for processing plate elements comprising a device having one or more technical characteristics described and claimed, mounted in an introduction station, upstream of a processing station.
  • lateral denotes a direction perpendicular to the direction of advance of the plate elements, such as sheets, in a processing machine, and in particular in an introduction station 10 partially visible on the surface.
  • arrow P designates the direction of advance of the sheets to be treated, from upstream to downstream
  • arrow L1 designates the left side side or CC for "driver side”
  • arrow L2 designates the right side side or COC for "side opposite the driver”.
  • the lateral positioning device 100 visible on the Fig. 5 is located in this example on the driver's side and is intended to ensure the correct lateral positioning of a plate element such as a sheet of printed cardboard, before its processing, such as a platen cut, while the correct longitudinal positioning (in direction A) is provided by a front positioning device, not shown.
  • the lateral positioning device 100 is in a first configuration capable of carrying out the lateral jogging of a plate element 20, which may be of very variable thickness, and in particular between 0.2 mm and 4 mm.
  • a plate element 20 which may be of very variable thickness, and in particular between 0.2 mm and 4 mm.
  • it is a flat cardboard printed with a multitude of sub-assemblies which will be pre-cut in the unit. following, with a view to forming cardboard blanks which, after assembly, will constitute packaging.
  • the plate element 20 rests on a front cleat shelf 101 having a window at the location of the feed wheel 102 in order to allow the periphery of the latter to come into contact with the underside of the sheet in order to drive it from the lateral side L1 using the feed wheel 102.
  • the sheet is pulled from the lateral side L2 using the stopper COC.
  • a main lever 110 rotatably mounted around the direction P on its pivot 111 of horizontal axis, present at its first end 112 (to the right on the Figs. 1 to 4 and 6 ) a support roller 114, here shown in the form of a rolling bearing, placed above the receiving support.
  • the main lever 110 is articulated around a horizontal axis.
  • the arrangement allows, during the tilting of the main lever 110 in the direction of the descent of the first end 112, the support roller 114 to come to be placed in line with the feed wheel 102 (see Figs. 1 and 3 ) with the two axes of rotation of the support roller 114 and of the feed wheel 102 parallel to each other. More precisely, in the low position of the first end 112, the axis of rotation of the support roller 114 is in line with the axis of rotation of the feed wheel 102 as can be seen in the figure. Fig. 1 , while the raised position of the first end 112 is visible on the Fig. 2 .
  • the lateral positioning device 100 operates in puller mode, since the wedging in the desired lateral position of the sheet is achieved by pulling this packaging element 20, clamping and advancing between the support roller 114 and the feed wheel 102, until this packaging element 20 comes into abutment against the lateral margin stop 121.
  • detector lever 130 In parallel with the clocked movement of the main lever 110, there is a movement clocked on the same rhythm of a secondary lever, coupled to the lever main 110, called detector lever 130.
  • This detector lever 130 is parallel to the main lever, being located next to and upstream of the main lever 110, with respect to the direction of advance P of the plate elements 20.
  • the detector lever 130 rocks around the direction P on its pivot 131 of horizontal axis, and has at its first end 132 (to the right on the Figs. 1 to 4 and 6 ) a detection roller 134 formed of an idle wheel placed above the shelf 101.
  • the arrangement allows, when tilting the main lever 110 in the direction of the descent of the first end 112, to lower the first end 132 of the detector lever 130 to allow the detector roller 134 to come to be placed exactly against the upper face. of sheet 20 as shown in Fig. 1 .
  • the second end 133 of the detector lever 130 is raised.
  • a metal target 135 is disposed on this second end 133.
  • This metal target 135 belongs to a proximity detector 140, which is for example an inductive sensor, and which is located under a detection head 141 which is calibrated to measure the distance d between its lower face 142 and the metal target 135.
  • the value d measured when the detector roller 134 touches the sheet 20 enables the thickness e of this packaging element to be very precisely deduced therefrom.
  • the mechanical coupling between the main lever 110 and the detector lever 130 is ensured during the ascent of the main lever 110 by a pin 116, disposed on the side of the first end 112 of the main lever 110, projecting in the upstream direction. .
  • This pin 116 extends over a sufficient length in order to be able to cooperate with the first end 132 of the detector lever 130 by pressing under a stud 136 present on this first end 132 of the detector lever 130, so that during the ascent of the first end 112 of the main lever 110, the pin 116 pushes the stud 136 upwards and makes it go up while driving the first end 132 of the detector lever 130 in its course.
  • the arrangement levers 110 and 130 is such that when the first end 112 of the main lever 110 is in its lowest position, the support roller 114 is in contact with the sheet 20, the pin 116 is lower than the stud 136 then that the detector roller 134 is in contact with the upper face of the sheet 20.
  • the shaft 131 around which the detector lever 130 pivots is surrounded by a helical spring 137 pre-stressed. This prestressing also makes it possible to generate a bearing force guaranteeing the contact of the detector roller 134 on the sheet 20 and therefore a correct thickness measurement.
  • a selection system with the pin 116 and a support 117 for the pin 116, allows the detector lever 130 to be raised regardless of the position of the main lever 110.
  • a braking system 150 is used. passive.
  • the detection lever 130 comprises, between the second end 133 and the pivot 131, a braking portion 138 formed of a metal plate oriented vertically upwards.
  • the device 100 comprises, next to the detection head 141, two permanent magnets 152 in the form of a frame, parallel to each other and extending vertically, which delimit an air gap in which the braking portion 138 engages.
  • the surface of the braking portion 138 which is located in the air gap is variable and increases during the downward movement of the detector roller 134, which slows down this downward movement.
  • the main lever 110 has been adjusted so that, in the down position of the first end 112, there is a slight back pressure exerted by the support roller 114 on the sheet 20 'which is thicker than the sheet 20 of Figs. 1 and 2 .
  • the lateral positioning device 100 operates according to a second configuration shown in the Figs. 3 and 4 .
  • this packaging element 20' is not very dense, its surface is easily marked with an imprint under pressure. of a pebble.
  • this packaging element 20 ′ contains one or more layers of corrugated cardboard.
  • this packaging element 20 ' has a thickness e' greater than the thickness e of the sheet 20 shown in the Figs. 1 and 2 .
  • This thickness e ' corresponds to a distance d' between the metal target 135 and the detection head 141.
  • the support roller 114 is raised relative to its position of the first configuration so as not to be able to touch the surface. top of the sheet 20 'when the first end 112 of the main lever 110 is lowered. To compensate for this rise of the support roller 114, and still allow the detector roller 134 to descend until it reaches the upper surface of the sheet 20 ', the height position of the pin 116 has also been shifted by rotating its 180 °. support 117 around a horizontal axis parallel to the axis of rotation of the feed wheel 102.
  • the lateral margin stop acts as a pusher element 121 and is disposed just above the shelf 101 and on the other side of the feed wheel 102 with respect to the support roller 134.
  • This pusher element 121 has a thrust face against which the lateral edge of the sheet 20 'bears. It is the pusher 121 which performs a horizontal translational movement (from left to right on the Figs. 3 and 4 ) from a retracted position visible on the Figs. 3 and 4 , to an advanced position adjusted so that at the end of the stroke, the sheet 20 'is disposed laterally in the desired position.
  • the lateral positioning device 100 operates in pusher mode, since the wedging in the desired lateral position of the sheet 20 'is achieved by pushing this packaging element 20', passing from the retracted position to the advanced position of the pusher 121, until it is brought into the lateral position of this packaging element 20 'corresponding to the end of travel (advanced position) of the pusher 121.
  • the pusher 121 is locked in the forward position and serves as a stopper for the shooter.
  • An adjustment screw 150 allows, by its rotation, to raise or lower an adjustment support 152 having a bevelled lower edge which cooperates with a bevelled upper edge of the block forming both the pusher and the lateral margin stop 121.
  • the lowering the adjustment support 152 causes the pusher 121 to move forward in horizontal translation, to the right on the Figs. 6 and 7 .
  • the pusher 121 is integral with the slide 155, itself integral with the cam roller 156 (see Fig. 6 ).
  • the position of Figs. 6 and 7 corresponds to the aforementioned second configuration of the lateral positioning device: in this case, the cam roller 156 is housed in a space for receiving the cam 160, which is driven in a permanent cyclic movement, in a position allowing a movement of go and comes between the right and the left of the slide 155. It is this forward movement which allows the pusher 121 to perform the positioning by pushing the sheet 20 '.
  • the adjustment support 152 is lowered by means of the adjustment screw 150, whereby the pusher 121 advances in the direction of the right in a position which remains in the space for receiving the cam 160. , but this time the pusher 121 is no longer able to follow the movement of the cam 160 which rotates in a vacuum in the direction since the cam 160 no longer drives the pusher 121.
  • the introduction station 10 which presents the lateral positioning device 100 which has just been described preferably comprises a complementary lateral positioning device located on the other side, in the same axial position as the lateral positioning device 100.
  • the complementary lateral positioning device is on the side opposite to the driver.
  • the complementary lateral positioning device is identical to the lateral positioning device 100, except the adaptation to the side opposite the driver by modifying the structure of the lateral positioning device 100 by symmetry with respect to the median vertical plane of the shelf 101.
  • the complementary lateral positioning device does not include the detector lever 130 and all the elements of the system for detecting the presence of two superimposed plate elements making it possible to check the thickness of the sheet 20 or 20. '.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Making Paper Articles (AREA)
  • Jigs For Machine Tools (AREA)

Claims (15)

  1. Vorrichtung zur seitlichen Positionierung (100) eines Plattenelements (20, 20'), in einer Maschine zur Verarbeitung von Plattenelementen,
    dadurch gekennzeichnet, dass sie einen Erfassungshebel (130) umfasst, der in Bezug auf eine horizontale Achse gelenkig ist und geeignet ist, eine Abwärtsbewegung von einer hohen Position zu einer niedrigen Position durchzuführen,
    wobei ein erstes Ende (132) des Erfassungshebels (130) eingerichtet ist, um in der niedrigen Position mit einer Oberseite des Plattenelements (20, 20') in Berührung zu kommen, und
    wobei ein zweites Ende (133) des Erfassungshebels (130) mit einem Ziel (135) versehen ist, das mit einem Positionserfasser (140) zusammenarbeitet, um ein Signal zu erzeugen, das von der Dicke des Plattenelements (20, 20') und der Anzahl von im Bereich des ersten Endes (132) des Erfassungshebels (130) vorhandenen Plattenelementen (20, 20') abhängt.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass sie weiter ein Bremssystem umfasst, das ermöglicht, die Abwärtsbewegung des Erfassungshebels (130) zu verlangsamen.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass das Bremssystem eine Wirbelstrombremse ist.
  4. Vorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der Erfassungshebel (130) drehbar um eine Welle montiert ist, auf der Rückstellmittel (137) angeordnet sind, die geeignet sind, eine Kraft auszuüben, die die Abwärtsbewegung des Erfassungshebels (130) erzeugt.
  5. Vorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das zweite Ende (133) des Erfassungshebels (130) mit einem metallenen Ziel (135) ausgestattet ist, das mit einem mit einem Näherungssensor vom induktiven Typ ausgestatteten Erfassungskopf (141) des Positionserfassers (140) zusammenarbeitet.
  6. Vorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass sie weiter einen Haupthebel (110) umfasst, der an seinem ersten Ende (112) eine Auflagerolle (114) trägt und der so eingerichtet ist, dass beim Abschluss des Abwärtswegs seines ersten Endes (112) das erste Ende (12) des Haupthebels aufweist:
    - eine erste abgesenkte Konfiguration, um die Auflagerolle auf der Oberseite des Plattenelements (20, 20') so anzulegen, dass das Plattenelement seitlich angetrieben wird, und
    - eine zweite angehobene Konfiguration, um zu verhindern, dass das Plattenelement (20) zerdrückt wird.
  7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass der Erfassungshebel (130) mechanisch an den Haupthebel (110) gekoppelt ist.
  8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass sie ein Auswahlsystem (116, 117) umfasst, das ermöglicht, den Haupthebel (130) bei jeglicher Position des Haupthebels (110) anzuheben.
  9. Vorrichtung nach einem der Ansprüche 6 bis 8, weiter ein Zuführrad (102) umfassend, das geeignet ist, das Plattenelement (20, 20') gegen einen seitlichen Randanschlag (121) anzustoßen.
  10. Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, dass die Auflagerolle (114) in einer ersten Konfiguration beim Abwärtsgehen des ersten Endes des Haupthebels (110) geeignet ist, auf der Oberseite eines auf einem Brett (101) angeordneten Plattenelements (20) zwischen der Auflagerolle (114) und dem Zuführrad (102) derart zum Aufliegen zu kommen, dass das Einklemmen des Plattenelements (20) ermöglicht wird, das von dem Zuführrad (102) in Richtung zu und bis zu dem seitlichem Randanschlag (121) angetrieben wird, wodurch die seitliche Positionierung des Plattenelements (20) gegen den seitlichen Randanschlag (121) ausgeführt wird.
  11. Vorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass sie weiter umfasst:
    - einen über einem Brett (101) angeordneten Schieber (121), wobei der Schieber (121) geeignet ist, von einer Ruheposition zu einer Arbeitsposition überzugehen, bei der ein auf dem Brett (101) angeordnetes Plattenelement (20, 20') auf der gleichen Höhe wie der Schieber (121) ist, und
    - ein Antriebssystem, das eine Hin- und Herbewegung in seitlicher Richtung ausführt, das mit dem Schieber (121) nur in seiner Arbeitsposition zusammenarbeitet, sodass der Schieber (121) einen Hin- und Herweg zwischen einer zurückgezogenen Position und einer vorgerückten Position ausführt, geeignet, ein auf dem Brett (101) angeordnetes Plattenelement (20, 20') bis zu einer durch die vorgerückte Position vorbestimmten seitlichen Position zu schieben.
  12. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Auflagerolle (114) in einer zweiten Konfiguration beim Abschluss des Abwärtswegs des ersten Endes des Haupthebels (110) über dem Zuführrad (102) und in einem Abstand zu dem Zuführrad (102) verbleibt, was ihr Aufliegen auf der Oberseite eines zwischen der Auflagerolle (114) und dem Zuführrad (102) angeordneten Plattenelements (20, 20') verhindert.
  13. Vorrichtung nach Anspruch 11 oder 12, dadurch gekennzeichnet, dass in der ersten Konfiguration der Schieber (121) in der Ruheposition ist.
  14. Vorrichtung nach Anspruch 11 bis 13, dadurch gekennzeichnet, dass in der zweiten Konfiguration der Schieber (121) in der Arbeitsposition ist.
  15. Maschine zur Verarbeitung von Plattenelementen, umfassend eine Vorrichtung nach einem der vorstehenden Ansprüche, die in einer Einführungsstation (10), der Verarbeitungsstation vorgelagert, montiert ist.
EP15785054.6A 2014-10-24 2015-10-08 Vorrichtung zur seitlichen positionierung eines plattenelements mit mitteln zum detektieren von überlappenden gegenständen. Active EP3209585B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14003628 2014-10-24
PCT/EP2015/025071 WO2016062411A1 (fr) 2014-10-24 2015-10-08 Dispositif de positionnement lateral d'un element en plaque

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EP3209585A1 EP3209585A1 (de) 2017-08-30
EP3209585B1 true EP3209585B1 (de) 2021-03-10

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US (1) US10005631B2 (de)
EP (1) EP3209585B1 (de)
JP (1) JP6526806B2 (de)
KR (1) KR101978079B1 (de)
CN (1) CN107107368B (de)
BR (1) BR112017007684B1 (de)
ES (1) ES2865476T3 (de)
TW (1) TWI572545B (de)
WO (1) WO2016062411A1 (de)

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KR102857076B1 (ko) * 2021-03-08 2025-09-08 봅스트 맥스 에스에이 위치결정 조립체 및 시트 재료 처리 기계
KR102599682B1 (ko) * 2022-01-23 2023-11-08 주식회사 오빌식품 식품 포장용 시트의 두께 검출 장치

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Publication number Publication date
BR112017007684A2 (pt) 2017-12-19
EP3209585A1 (de) 2017-08-30
BR112017007684B1 (pt) 2021-11-16
KR20170073658A (ko) 2017-06-28
CN107107368A (zh) 2017-08-29
WO2016062411A1 (fr) 2016-04-28
TWI572545B (zh) 2017-03-01
JP6526806B2 (ja) 2019-06-05
TW201628955A (zh) 2016-08-16
KR101978079B1 (ko) 2019-05-13
US10005631B2 (en) 2018-06-26
CN107107368B (zh) 2019-05-03
JP2017533157A (ja) 2017-11-09
ES2865476T3 (es) 2021-10-15
US20170305695A1 (en) 2017-10-26

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