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
  • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
  • B65H29/12—Delivering or advancing articles from machines; Advancing articles to or into piles by means of the nip between two, or between two sets of, moving tapes or bands or 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
  • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
  • B65H29/24—Delivering or advancing articles from machines; Advancing articles to or into piles by air blast or suction apparatus
  • B65H29/241—Suction devices
  • B65H29/242—Suction bands or belts
• • 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
  • B65H29/58—Article switches or diverters
  • B65H29/585—Article switches or diverters taking samples from the main 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
  • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
  • B65H29/58—Article switches or diverters
  • B65H29/62—Article switches or diverters diverting faulty articles from the main streams
• • 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
  • B65H2301/44—Moving, forwarding, guiding material
  • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
  • B65H2301/4473—Belts, endless moving elements on which the material is in surface contact
• • 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
  • B65H2301/44—Moving, forwarding, guiding material
  • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
  • B65H2301/4473—Belts, endless moving elements on which the material is in surface contact
  • B65H2301/44735—Belts, endless moving elements on which the material is in surface contact suction belt
• • 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
  • B65H2301/44—Moving, forwarding, guiding material
  • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
  • B65H2301/4474—Pair of cooperating moving elements as rollers, belts forming nip into which material is transported
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2403/00—Power transmission; Driving means
  • B65H2403/50—Driving mechanisms
  • B65H2403/51—Cam mechanisms
  • B65H2403/514—Cam mechanisms involving eccentric
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2403/00—Power transmission; Driving means
  • B65H2403/50—Driving mechanisms
  • B65H2403/53—Articulated mechanisms
  • B65H2403/532—Crank-and-rocker mechanism
• • 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
  • B65H2404/26—Particular arrangement of belt, or belts
  • B65H2404/264—Arrangement of side-by-side belts
  • B65H2404/2641—Arrangement of side-by-side belts on movable frame
• • 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
  • B65H2404/26—Particular arrangement of belt, or belts
  • B65H2404/269—Particular arrangement of belt, or belts other arrangements
  • B65H2404/2693—Arrangement of belts on movable frame
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2701/00—Handled material; Storage means
  • B65H2701/10—Handled articles or webs
  • B65H2701/17—Nature of material
  • B65H2701/176—Cardboard
  • B65H2701/1764—Cut-out, single-layer, e.g. flat blanks for boxes
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2801/00—Application field
  • B65H2801/42—Die-cutting

Definitions

• the present invention relates to a device that directs one or more plate elements removed to remove them and eject them from the normal processing circuit, while the plate elements flow continuously output of a processing machine.
• the ejected plate elements serve for example control, and / or their disposal.
• the invention also relates to a method of switching and ejection for plate element.
• Plate processing machines are used in the field of the manufacture of packaging, and in particular of packaging made from sheets or webs, especially paperboard, plastic or cardboard it is flat or wavy. They may be machines that perform a processing of these plate elements, namely for example cutting, grooving, embossing and printing. It can also be machines performing such a treatment and also, following the folding and gluing operations to form a folding box online.
• An object of the present invention is to provide a switching device and a method of referral and ejection, for the transfer of a plate element from a upstream module to a first downstream module or a second downstream module located below the first downstream module.
• Another object of the invention is to provide a switching device and a routing and ejection method allowing the continuous advancement of the plate elements, without slowing down the speed of advance of the plate elements, in order to to continue the processing steps normally for the non-ejected plate elements.
• Another object of the present invention is to make it possible to carry out the routing in the direction of either the first downstream module or the second downstream module, either on demand or at a programmed frequency.
• the change of destination of the switch may occur for example after a single plate element is directed to the first downstream module or to the second downstream module, and before a successive series of plate elements is directed to the other downstream module, among the first downstream module and the second downstream module.
• This can also occur after a first set of plate elements is directed to the first downstream module or to the second downstream module, and before another successive series of plate elements is directed to the other downstream module among the first downstream module and the second downstream module.
• the destination of the switching device is quickly changed, and precisely so as not to hinder the proper operation of the plate processing machine.
• a switching device for transferring and ejecting a plate element in a sorting unit comprises:
• transport means the transport means are able to transport the plate element from upstream to downstream;
• the pivot is positioned at an upstream portion of the transport means, and the pivot allows the transport means to tilt relative to a horizontal transverse axis passing through the pivot;
• the lifting means are secured at a downstream portion of the transport means, to tilt the downstream portion of the transport means between a first and a second low position, and reciprocally between a second low position and a first high position, so as to switch the plate element respectively upwards and downwards.
• This solution makes it possible, by a simple pivoting movement of the tilting piece forming the transport means, to direct the moving plate element either towards the first downstream module (first position of the transport means) or towards the second downstream module ( second position of the means of transport).
• the second low position is located below the first high position, as the first high position is located above the second low position.
• the transport means have an upper face, which is substantially horizontal in the first upper position, with this same upper face of the transport means being inclined downwardly downstream in the second lower position of the downstream portion.
• means of transport In another variant, the transport means have an upper face, which is substantially horizontal in the second lower position, with the same upper face of the transport means being inclined upwardly downstream in the first upper position of the portion. downstream of the means of transport.
• This solution has the advantage over the prior art of not having to stop or even slow down the processing machine plate elements to perform a rejection of one or more plate elements.
• the processing rate of the plate elements does not change.
• the number of successive plate elements pointed towards the first downstream module and the number of successive plate elements pointed towards the second downstream module can be distributed as desired.
• the present invention further relates to a sorting unit, comprising
• Such a sorting unit makes it possible to make in the same machine different treatments of the plate elements, according to whether the plate element passes into the branch provided with the first downstream module or into the branch provided with the second downstream module.
• the present invention also relates to a plate-like processing machine equipped with a sorting unit, as described and claimed.
• the present invention also relates to a method of switching a plate element at the output of a processing machine. The method comprises the steps of:
• Such a method can be implemented while the plate elements arrive continuously one behind the other on the upstream portion of the transport means.
• FIG. 1 shows a sorting unit comprising a switching device according to the invention
• FIG. 2 shows in perspective the switching device of Figure 1;
• Figure 3 is a perspective view of an eccentric shaft used in the switch device of Figure 2;
• FIG. 4 is a perspective view of the first downstream module and the second downstream module of the sorting unit of FIG. 1;
• the longitudinal direction is defined with respect to the transport direction of the plate elements.
• the transverse direction is defined as the direction orthogonal to the transverse direction and in the transport plane of the plate elements.
• the upstream and downstream respectively is defined as being a rear position, respectively before, with respect to the direction of transport of the plate element.
• the sorting unit 100 illustrated in FIG. 1 forms an assembly disposed at the outlet of a plate element processing machine 1.
• a sorting unit 100 is advantageously disposed downstream of a printing machine of plate elements, such as cardboard sheets.
• the advance of the plate element 20 in the machine 1 and in the sorting unit 100 is carried out from upstream to downstream, according to the direction and the direction of the arrow A, from right to left in the Figures.
• the sorting unit 100 comprises, from upstream to downstream, an input January 01, a switching device 1 30, a first downstream module 140, a second downstream module 1 50 and an output 102.
• the element in plate 20 which is printed on its upper face arrives on the switching device 130.
• the switching device 130 comprises transport means 132 forming a rocking piece about a shaft 134 of axis R2 pivoting (see Figs 1 and 2).
• the transport means 1 32 comprises a structure, pulleys and at least one transfer belt 1 33, such as an endless belt.
• the transport means 132 comprise four transfer belts 133 which are placed in parallel with each other, in the upstream-downstream direction (FIG.
• the belt or belts 1 33 are vacuum belts forming a vacuum belt conveyor. Apertures or perforations are provided in the belts 1 33 for the air to be sucked.
• the belt or belts 1 32 are associated with one or more vacuum chambers, which are connected to a vacuum source and which are arranged under the belt or belts 1 33.
• box and vacuum belt 133 makes it possible to maintain the elements in question. plate 20 during their transport, the plate elements 20 being pressed against the belt or belts 133 without it being necessary to maintain the plate elements 20 by their upper face. With at least one casing and at least one vacuum belt 133, the switching device 1 30 will not touch the printed upper face of the plate elements 20.
• the printed upper face of the plate elements 20 is still fragile, the inks of FIG. printing is not yet completely dried.
• the axis R2 which is oriented in the transverse and horizontal direction, is located in an upstream or rear portion of the transport means 1 32.
• lifting means 135 are mechanically connected to the transport means 132. , away from the axis R2. All the transport means 132 are connected to the lifting means 1 35, so that the transfer belts 1 33 remain parallel to each other.
• This parallelism exists in all the positions of the switching device 1 30, in the first high position, the second low position or an intermediate position of the transport means 132. In all these positions, the upper face and the upper portion of all the Transfer belts 1 33 remain in the same plane, extending between upstream and downstream. This upper side of the portion upper of the transfer belts 1 33 forms the receiving face of the plate member 20.
• the lifting means 135 comprise an eccentric mechanism with a cam-type rotary eccentric shaft 131 shown in FIG. 3, which is intended to be rotated relative to the axis R3 visible in FIG. 2. More precisely, the rotary eccentric shaft 131 has several eccentric sections 131 a. At least one of the means of transport 1 32 is secured to an eccentric section 131a, thanks to an intermediate piece 135a, sliding type, fixed to the structure of each of the transport means 1 32. In fact, in this case, four transport means 132 are present and each pair of transport means is disposed on the same eccentric section 131 a. A central section and two lateral sections of non-eccentric end 131b allow the maintenance of the shaft 131 on bearings.
• the switching device 130 is in the high position or first position, and allows to transfer a plate element 20 passing on the switching device 1 30 to the first downstream module 140.
• the switching device 1 30 is in the low position or second position, and allows to transfer a plate member 20 passing on the switching device 130 to the second downstream module 150.
• the transport means 132 descend (Arrow D in Figs 1 and 2).
• the transport means 1 32 mount ( Arrow U in Figs 1 and 2).
• a motor drives the rotation in a half-turn (in one direction or the other) of the shaft 131 provided on the axis R3.
• the first downstream module 140 is disposed above the second downstream module
• the first downstream module 140 is able to drive a plate element 20 only from its underside. Thus, the first downstream module 140 does not come into contact with the upper face of the plate elements 20, the quality of the printing that has previously been applied to the upper face of the plate elements 20 is preserved. More specifically, the first downstream module 140 is able to move the plate element 20, disposed flat on one or more first downstream transfer belts 141.
• the first downstream transfer belts 141 are endless belts, particularly vacuum type, formed with openings or perforations for the air intake is done.
• the first one or more downstream transfer belts 141 are associated with one or more vacuum chambers, which are connected to a vacuum source and which are arranged under the first or second transfer belts 141.
• box and first downstream transfer belt 141 keeps the plate members 20 during transport, the plate members 20 being pressed against the belt (s) 141 without the need to hold the plate elements 20 by their upper face.
• the printed upper face of the plate elements 20 will not be touched by the first downstream module 140.
• the printed upper face of the plate elements 20 is still fragile, the inks printing is not yet completely dried.
• the first downstream transfer belts 141 convey the plate element 20 from upstream to downstream at a second circulation velocity v2 greater than the first circulation velocity v1 used for the switching device 1 30.
• this plate member 20 accelerates between the speed v1 and the speed v2, this increase in its speed.
• advancing to increase the distance with the next plate member 20 '(Fig. 7) to allow time for the transport means 132 to switch down D and reach the height of the input of the second downstream module 150 before the front portion of the next plate member 20 'protrudes from the switching device 1 30.
• the plate elements advance with a speed v1, an interval of a few millimeters is left between two plate elements 20 on the switching device 130.
• v2 an interval of a few millimeters is left between two plate elements 20 on the switching device 130.
• a few milliseconds can switch the means transport 1 32 between the first position and the second position or vice versa between the second position and the first position.
• the switching device 1 30 forms a pinball type ejector.
• the second downstream module 1 50 may have different configurations and use.
• the second downstream module 150 is capable of driving a plate element 20 from its lower face and / or from its upper face to a reject receiving station 160 (see FIG.
• the second downstream module 150 is able to move the plate element 20, from the upstream to the downstream, according to a third circulation velocity v3 greater than the first circulation velocity v1 (see FIG. 8).
• This third speed of circulation v3 constitutes an overspeed making it possible to release the plate element 20 'more quickly from the switching device 130 in the second downstream module 150.
• This third speed of circulation v3 may be equal to the second speed of circulation. v2.
• the second downstream module 1 50 allows the advancement of the plate member 20 disposed flat on a transfer belt.
• the circuit of a rejecting plate element 20 passes through the switching device 1 30 with the transport means 1 32 in the second low position, and the second downstream module 1 50.
• the second downstream module 150 comprises, to drive the plate member 20, pairs of second endless belts downstream 1 51 and 152 arranged opposite, and set in motion around rollers d training 1 53.
• the pairs of second endless belts 151 and 152 are offset relative to the first downstream transfer belts 141, and interposed between the first downstream transfer belts 141.
• This arrangement makes the first downstream module 140 and the second downstream module 150 are nested one inside the other, which makes the first downstream module arrangement 140 and second particularly compact downstream module 1 50 in one and the same frame.
• the plate member 20 entering the second downstream module 1 50 is considered a waste.
• the pairs of second endless belts 151 and 152 will be able to catch, pinch, and transport between them the plate member 20, to the reject receiving station 160, even if the printed upper face of the elements in question. Plate 20 is still fragile, and the printing inks are not yet completely dried.
• the invention also relates to a method of routing the path of a plate element in a sorting unit 100 at the output of a processing machine 1, comprising the following steps:
• transport means the descent step may precede or follow the ascent step.
• the present invention also covers a method of routing the path of a plate member 20 in a sorting unit at the output of a processing machine 1, comprising the following steps:

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
• Attitude Control For Articles On Conveyors (AREA)
• Delivering By Means Of Belts And Rollers (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=57189721

Family Applications (1)

Country Status (8)

Family Cites Families (24)

• 2017
  • 2017-10-05 CN CN201780063697.9A patent/CN109843765B/zh active Active
  • 2017-10-05 US US16/339,331 patent/US11198579B2/en active Active
  • 2017-10-05 JP JP2019520831A patent/JP6918932B2/ja active Active
  • 2017-10-05 WO PCT/EP2017/025300 patent/WO2018072887A1/fr unknown
  • 2017-10-05 KR KR1020197013742A patent/KR102210177B1/ko active IP Right Grant
  • 2017-10-05 EP EP17780005.9A patent/EP3529186A1/de active Pending
  • 2017-10-16 TW TW106135328A patent/TWI673222B/zh active
• 2019
  • 2019-04-07 IL IL265873A patent/IL265873A/en unknown

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