EP2397283A1 - Dispositif de coupe et d'empilage de plaques - Google Patents

Dispositif de coupe et d'empilage de plaques Download PDF

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Publication number
EP2397283A1
EP2397283A1 EP10166554A EP10166554A EP2397283A1 EP 2397283 A1 EP2397283 A1 EP 2397283A1 EP 10166554 A EP10166554 A EP 10166554A EP 10166554 A EP10166554 A EP 10166554A EP 2397283 A1 EP2397283 A1 EP 2397283A1
Authority
EP
European Patent Office
Prior art keywords
roller
drive
support surface
conveyor belt
take
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP10166554A
Other languages
German (de)
English (en)
Inventor
Felix Kobler
Leo Rempfler
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.)
Zuend Systemtechnik AG
Original Assignee
Zuend Systemtechnik AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zuend Systemtechnik AG filed Critical Zuend Systemtechnik AG
Priority to EP10166554A priority Critical patent/EP2397283A1/fr
Publication of EP2397283A1 publication Critical patent/EP2397283A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/3806—Cutting-out; Stamping-out wherein relative movements of tool head and work during cutting have a component tangential to the work surface
    • B26F1/3813—Cutting-out; Stamping-out wherein relative movements of tool head and work during cutting have a component tangential to the work surface wherein the tool head is moved in a plane parallel to the work in a coordinate system fixed with respect to the work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/27—Means for performing other operations combined with cutting
    • B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
    • 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
    • B65H29/26—Delivering or advancing articles from machines; Advancing articles to or into piles by dropping the articles
    • B65H29/36—Delivering or advancing articles from machines; Advancing articles to or into piles by dropping the articles from tapes, bands, or rollers rolled from under the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/27—Means for performing other operations combined with cutting
    • B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
    • B26D2007/322—Means for performing other operations combined with cutting for conveying or stacking cut product the cut products being sheets, e.g. sheets of paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/25—Driving or guiding arrangements
    • B65H2404/254—Arrangement for varying the guiding or transport length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/25—Driving or guiding arrangements
    • B65H2404/257—Arrangement of non endless belt
    • B65H2404/2571—Wrapping/unwrapping arrangement
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard
    • B65H2701/1762—Corrugated

Definitions

  • the invention relates to a device for cutting and stacking plates, in particular paper, cardboard, corrugated, foil, textile, plastic, foam or wood plates or sheets, according to the preamble of claim 1.
  • Devices for cutting rigid or pliable plates are known in the art. Typically, they include a cutting unit with a horizontal cutting table for laying a plate to be cut. Under a plate is generally a rigid or limp flat material, such as a cardboard, corrugated or solid board, a sheet of foil or paper, a textile material, a plastic, foam, vinyl, PVC, acrylic or Wood boards or a corresponding bow to understand.
  • the thickness of such a plate which may also be unrolled from a roll, is for example less than one micron or more than ten centimeters.
  • a cutting tool is guided, which can be adjusted parallel to the plate, usually along two orthogonal axes, by means of several motors within a generally rectangular cutting area, which preferably completely covers the surface of the plate to be cut.
  • the cutting tool is arranged in particular on an adjustable cutting head, which is equipped, for example, with a camera and / or an exhaust.
  • the cutting tool is preferably adjustable perpendicular to the plate.
  • the cutting tool can be used as a static knife with fixed or variable blade pressure, e.g. for cutting film, polypropylene or cardboard, as an especially electrically or pneumatically driven, for example oscillating knife, e.g. for cutting lightweight foam, corrugated cardboard, leather, foam, rubber or felt, as a rotating knife e.g. for cutting fibrous material such as textiles, mesh or balloon silk, as a milling cutter for cutting rigid material such as rigid foam, acrylic, composite material or wood, or as a grooving tool for generating grooves, in particular in corrugated cardboard, polypropylene or cardboard.
  • the cutting tool it is possible to use the cutting tool as a laser, compressed air or water jet cutting tool or as another tool, in particular as a punching tool, which is suitable for cutting or cutting, partially or completely separating the plates or for producing cutting paths or holes. train.
  • cutting units known from the prior art provide a cutting pad on the cutting table which can be subjected to negative pressure from the underside, so that the plate is fixed on the cutting table.
  • the cutting tool is freely controllable in the known cutting units by means of an electronic control, so that it is possible to cut from a printed or unprinted plate almost arbitrarily shaped, for example, two-dimensional, but also three-dimensional segments.
  • the cutting paths can be freely programmed by means of a computer.
  • Such cutting units which are also known as "digital cutter" are used in particular in the graphics industry for the production of displays for advertising purposes and shaped adhesive films, for example for the production of traffic sign labels, in the packaging industry for the production of collapsible cardboard in the clothing industry for production of fabric or leather blanks or in the furniture industry in the manufacture of wood or plastic, in particular acrylic blanks for use.
  • Such a cutting unit is for example the "G3 DIGITAL CUTTER” from ZÜND Systemtechnik AG in Alt Toon, Switzerland, with a working range of up to 3200 x 3200 millimeters.
  • a particular challenge is both the transport and placement of the slices to be cut on the cutting table, as well as the removal of the cut plate from the cutting table dar.
  • the conveyor belt serves in this case as a cutting pad and forms with its top functional the cutting table.
  • the conveyor belt is preferably guided with its top over a flat surface. By means of the conveyor belt it is possible to guide the plate into and out of the cutting area of the cutting tool.
  • the laying of the plate to be cut on the cutting table, in particular the conveyor belt can be done manually or by means of a plate feeder, which is usually stacked on top of each other lying, to be cut plates sequentially the cutting table, in particular the conveyor belt feeds, by the top plate of the plate stack, in particular after vertical lifting, horizontally from the plate stack on the cutting table, in particular the conveyor belt is pushed.
  • a plate feeder which is usually stacked on top of each other lying, to be cut plates sequentially the cutting table, in particular the conveyor belt feeds, by the top plate of the plate stack, in particular after vertical lifting, horizontally from the plate stack on the cutting table, in particular the conveyor belt is pushed.
  • the removal of the cut slab which is composed of a plurality of non or partially contiguous segments depending on the selected cut, may be manual or automatic depending on the complexity of the cut and quality requirements.
  • the cut slab has been cut in one piece to assure cohesion of the slab, it is possible to stack the sliced slabs according to the material supply by means of a sliver drawer, slid the sliced slab horizontally onto the top slab of the sliced slices ,
  • the plates are not scratched or damaged in any other way, especially when moving on the plate stack.
  • the plate thickness, the type of cut and the quality requirements such automatic transfer of the cut plates is not possible. Is the cohesion of the plate due to the cut is no longer possible because of the plate, for example, a plurality of segments has been cut or the webs between the segments are too thin, a shift of the cut plate on a plate stack of cut plates.
  • there is a risk that the plates are scratched due to the burrs.
  • large plates of very thin, non-rigid or anti-slip material are hardly suitable for horizontal displacement on a stationary base.
  • the vacuum gripper has a plurality of spaced suction cups, which are subjected to negative pressure.
  • the suction cups are preferably distributed substantially over the entire surface of the plate with a certain distance from each other.
  • the object of the invention is therefore to provide a universally applicable device for cutting and stacking plates, by means of which the cut plates are stacked on a stack of plates while protecting the plate surfaces, wherein preferably also sliced plates, consisting of several, not more or hardly coherent segments can be stacked on the plate stack.
  • the inventive device is used for cutting plates and stacking cut slices on a plate stack.
  • a plate is generally a rigid or limp flat material, such as a cardboard, corrugated or solid board, a sheet of foil or paper, a textile material, a plastic, foam, vinyl, PVC, acrylic or wood To understand plates or a corresponding bow.
  • the apparatus generally comprises a cutting unit, as known from the prior art and described in the introduction, namely with a first cutting table and a cutting tool.
  • the first cutting table has a particular horizontally extending first top side portion on which a plate to be cut can be placed.
  • a first drive By means of a first drive, the plate lying on the first upper side section to be cut can be turned into a plate which is in particular in the Essentially horizontal first direction are transported out of the cutting area.
  • the first drive can be designed as a handling system - for example, as a gripper or slider - by means of which the plate can be moved horizontally on the cutting table.
  • the cutting table may have on its first upper side portion a sliding surface, for example in the form of an air poster or ball bearing support.
  • the first drive can also be made from the controlled air poster or ball bearing pad.
  • the cutting table is formed as a first conveyor belt, wherein the first top portion is generally understood the vertically upwardly facing active surface of the first conveyor belt, on which the plate to be cut can be placed so that by driving the conveyor belt, a horizontal transport of the plate possible is.
  • the conveyor belt may be formed in its transverse hemming as a single band or as a plurality of juxtaposed bands. It may be circumferential and self-contained or open, in the latter case, the two ends of the first conveyor belt, for example, be wound up. Under a conveyor belt is generally a flat linear bearing to understand, on which the plate is placed and by means of which the plate can be transported horizontally.
  • the cutting tool of the type mentioned is arranged above the first top portion and vertically - in particular adjustable spaced - from the first top portion of the first band.
  • the preferably mounted on a horizontally adjustable cutting head Cutting tool can be adjusted within a cutting area parallel to the first top portion.
  • a plate to be cut laid on the first top portion can be cut in the cutting area.
  • a cutting machining is in particular generally a non-cutting or machining of the plate for the production of vertically or obliquely continuous or non-continuous, horizontally extending joints, channels or recesses in the form of cuts, milling, punching, drilling, abrasions, fuses or etchings to understand .
  • the cutting tool is designed as a static or movable, in particular oscillating or rotating knife or as a milling cutter.
  • the first conveyor belt with its first top section by means of the first drive in particular an electric motor or an axle drive of the cutting head as traction means for moving the first conveyor belt, in a substantially horizontal first direction for transporting the cut plate are driven out of the cutting area.
  • the first drive it is possible to generate a horizontal movement of the first top section in the first direction and thus to transport the plate located on the first top section in the first direction.
  • the first direction is generally a direction that leads out of the cutting area of the cutting tool in the horizontal direction.
  • horizontal is to be understood as either an absolute world coordinate system oriented toward the gravitational field of the earth or referred to as a relative individual space coordinate system.
  • a relative individual space coordinate system oriented toward the gravitational field of the earth
  • vertical which is to be understood as perpendicular to "horizontal”.
  • the device has a stacking unit with a second conveyor belt which has a second, in particular, horizontally extending upper side section.
  • the second upper side portion is an operative portion of the second conveyor belt, on which a plate for their horizontal transport is placed and which of this plate serves as a support surface.
  • the second conveyor belt can also be formed by a plurality of adjacent belts, ropes, cords, chains or other wrapping elements.
  • the horizontal second surface portion of the second conveyor belt is stretched between a first roller and a second roller spaced apart from and horizontally spaced from the first roller, preferably parallel thereto and disposed at substantially the same height.
  • a roller is generally understood to mean a deflection in the vertical direction for the second conveyor belt, that is to say, besides a roller, also a roller, a sliding surface or a sliding edge or another sliding or roller bearing of the second conveyor belt.
  • the second conveyor belt in the second surface portion is substantially horizontally guided or stretched and becomes vertical over the rollers Direction deflected downwards.
  • the second conveyor belt is assigned at least one second drive, by means of which the second conveyor belt can be driven with its second upper side section in a substantially horizontal second direction.
  • the at least second drive by means of the at least second drive, such a movement of the second conveyor belt can be generated that a plate resting on the second top side section is transported in the second direction.
  • This second direction is in one possible embodiment, the same direction, in particular parallel or collinear with the first direction of the first conveyor belt.
  • All drives of the device in particular the first drive and the second drive, can also be formed by a common drive, wherein, if necessary, clutches and gears can be used.
  • the first drive of the first conveyor belt and the second drive of the second conveyor belt may be formed as a single motor, the two conveyor belts together, kinematically coupled together, drives.
  • the second conveyor belt is disposed adjacent to the cutting table, particularly to the first conveyor belt, or formed integrally with the first conveyor belt such that a cut plate resting on the first top side section out of the cutting area from the first top side section to the second top side section of the second conveyor belt can be transported by driving the first drive in the first direction.
  • the cutting table and the second conveyor belt or the first conveyor belt are the second conveyor belt arranged or formed, in particular adjustable that by driving the first drive, optionally with simultaneous driving of the second drive, a lying on the first upper side portion plate can be transported to the second upper side portion.
  • the two upper side sections are preferably located substantially at the same level. However, it is also possible that the two top sections are offset and / or inclined to each other.
  • the device comprises a stack support with a support surface on which a plurality of sliced plates stacked on each other in the form of a plate stack in a geometric vertical projection region of the support surface is stacked.
  • a support surface which is preferably parallel to the plane of the second top side section is provided, which essentially has the format of the cut plate.
  • the format of the physical support surface may also be larger, but in the following the support surface is considered as a geometric, actual support surface for the cut plates.
  • the geometric, vertical extension of this support surface and the stack of plates stacked or stacked on it is referred to as a geometric vertical projection region of the support surface.
  • At least the first roller is arranged on a carriage.
  • the carriage is displaceable above the support surface and substantially parallel relative to the support surface by means of a third drive in a third direction parallel to the second direction.
  • the first roller is displaceable relative to the support surface by means of a carriage.
  • the displacement is to be regarded as relative to each other.
  • first roller with the carriage can be moved with the support surface being absolutely horizontal or the support surface can be displaced with the carriage being absolutely horizontally fixed.
  • first roller and the support surface are horizontally displaceable relative to each other.
  • This displacement ranges from a first position to a second position, and vice versa.
  • the second conveyor belt is arranged with its second upper side section in the vertical projection region of the support surface, wherein the plane of the second upper side section is arranged at a vertical distance substantially parallel spaced from the support surface.
  • a part, in particular at least half, a two-thirds or a three-quarters of the support surface, or the entire support surface is covered by the second top portion in the first position.
  • the second conveyor belt is arranged with its second upper side portion horizontally outside the projection region of the support surface.
  • the device comprises a control unit, which is designed in such a signal connection and at least to the second drive and the third drive that the carriage from the first position, in which the second upper side portion of the second conveyor belt at least the support surface partially covered, in the second position, in which the second upper side portion is arranged outside the projection region of the support surface, relative to the support surface adjustable at substantially simultaneous relative horizontal standstill of the second upper side portion is.
  • the control unit in particular an electronic control unit such as a PLC, at least with the second drive, which drives the second conveyor belt, and the third drive, which drives the carriage relative to the support surface or vice versa, in signal communication.
  • the control unit is programmed in such a way that - in the case of the relative horizontal displacement of the carriage and the first roller out of the geometric vertical projection region of the support surface - the second surface section is stationary relative to the support surface in the horizontal direction.
  • a substrate positioned above the support surface on the second conveyor belt is laterally removed from the substrate without the plate in this case performing a substantial horizontal relative movement to the support surface.
  • the plate thus tilts or falls vertically on the support surface or the top plate of a stack of plates stacked on the support surface.
  • the vertical distance should be between the plane of the second surface portion and the support surface or the top plate of a stacked there stack of plates are preferably kept as low as possible.
  • control unit is designed in such a signal connection to the first drive, the second drive and the third drive, that in a first step the cut plate from the first top section to the second top section at least by driving the first drive in the first direction, optionally also by driving the second drive in the second direction, is transported.
  • the cut plate is placed on the second upper side portion of the second conveyor belt by driving the second drive and / or the third drive to a position in which the cut plate is disposed substantially entirely in the vertical projection area of the support surface above the support surface and the Slide is moved to the first position, transported in the second direction.
  • this can be done by driving the third drive with the second drive stationary, by driving the second drive when the third drive is stationary, or by driving both drives, as detailed in the embodiments.
  • the cut plate is placed in relative horizontal rest position above the support surface on the support surface or at least one resting on the support surface cut plate, in particular the top plate of the plate stack, by the third drive for relative displacement of the carriage of the driven first position in the second position in the third direction and the second drive is driven such that the second upper side portion is stationary relative to the support surface horizontally.
  • further steps may be provided by the control unit depending on the type of embodiment of the device, as will also be shown with reference to the embodiments.
  • a development of the invention provides that the second roller is fixed horizontally relative to the support surface and the horizontal distance between the first roller and the second roller and thus the length of the second top section along the second direction is adjustable by the displacement of the carriage.
  • the control unit is preferably designed in such a way and is in signal communication with the second drive and the third drive, that the resting on the second upper side portion, cut plate in relative horizontal standstill above the Support surface is placed on the support surface or the at least one resting on the support surface cut plate.
  • the second conveyor belt and the second roller in this case in their contact area to each other by no relative movement.
  • the second conveyor belt is held in place in the region of the second roller, while the second top side section of the second conveyor belt is shortened by moving the first roller in the direction of the second roller and the second conveyor belt passes over the first roller.
  • the length of the second top section shortens from the first roller toward the second roller.
  • the plate resting on the second upper side section removes the substrate in the third direction, ie in the direction from the first roller to the second roller.
  • the length of the first conveyor belt in the intermediate region also changes. This difference in length must therefore be compensated. This is possible according to the invention in a different manner in the case of a closed, circulating band and in the case of an open band wound on both ends.
  • the second conveyor belt is formed as a circulating, self-contained band, wherein Bandinkompensationsmittel are provided for such retightening of the second conveyor belt, that the second conveyor belt in the second upper side portion in the adjustment of the length of the second upper side portion or the distance between the two rollers is kept taut.
  • the belt length compensation means can be formed by a belt tensioner, which is designed in particular as at least one dancer roller around which the second conveyor belt is guided.
  • This at least one dancer roller is preferably arranged between the first roller and the second roller, in particular between at least two deflection rollers arranged below the second upper side section, below the second upper side section and vertically movable between the cutting unit and the stack support. This arrangement is such that the force acting on the at least one dancer roller gravity or other force, in particular a spring force, keeps the second conveyor belt taut.
  • the second conveyor belt is formed as an open belt stretched between two take-up rollers.
  • the at least one second drive serves to drive at least one of the two take-up rollers, preferably both take-up rollers.
  • a first take-up roller of the two take-up rollers can be arranged directly on the displaceable carriage, in particular adjacent to the first roller.
  • a second take-up roller may be fixed horizontally relative to the support surface, in particular adjacent to the second roller.
  • the first take-up roll may be formed by the first roll and / or the second take-up roll by the second roll.
  • both the first take-up roll and the second take-up roll are horizontally fixed relative to the support surface.
  • both take-up rollers are adjacent to the second roller.
  • the carriage is in this case horizontally displaceable together with the first roller relative to the first take-up roller and the second take-up roller.
  • the at least one second drive is preferably formed as a first take-up roll drive for driving the first take-up roll and as a second take-up roll drive for driving the second take-up roll.
  • the control unit is configured and is in signal communication with the first take-up roll drive and the second take-up roll drive such that the second conveyor belt is held taut between the two take-up rolls in adjusting the length of the second top section and the spacing of the two rolls, respectively.
  • the first roller is horizontally displaceable relative to the second roller
  • an alternative embodiment of the invention provides that the two rollers are firmly coupled together.
  • the first roller is arranged on the carriage, but also the second roller and the second conveyor belt.
  • the control unit is preferably designed in such a way and is in such a signal connection to the second drive and the third Drive that the cut plate in relative horizontal standstill above the support surface on the support surface or the at least one resting on the support surface cut plate can be placed.
  • An advantage of this embodiment is the simple construction of the second conveyor belt, since a belt length compensation is not required due to the constant spacing of the rollers.
  • a disadvantage is that in addition to the stack support and the cutting unit or between a sufficient range of motion for the displaceable arrangement of the second conveyor belt is provided.
  • the invention provides in a development that the relative vertical Distance between the geometric plane of the support surface and the level of the second top section is automatically adjusted depending on the stack height. According to the invention this is possible by adjusting the height of the support surface and / or the height of the second upper side portion, in particular also of the entire second conveyor belt.
  • the Stack support or the second conveyor associated with a fourth drive, by means of which the vertical distance between the geometric plane of the support surface and the geometric plane of the second upper side portion is adjustable.
  • the stack support is associated with detection means, by means of which the vertical height of the at least one resting on the support surface cut plate, in particular a plurality of plates, can be detected.
  • detection means can be formed by an optical sensor, a light barrier, a Hall sensor, a mechanical switch or any other position detection sensor.
  • the detection means are in signal communication with the fourth drive, that the vertical distance between the respective upper, resting on the support surface sliced plate and the geometric plane of the second top portion depending on the vertical height of the at least one resting on the support surface sliced plate, in particular a plurality of plates, substantially constant, preferably kept as low as possible.
  • first conveyor belt of the cutting unit and the second conveyor belt of the stacking unit are two separate conveyor belts.
  • first conveyor belt and the second conveyor belt are two separate conveyor belts.
  • the first conveyor belt and the second conveyor belt are two separate conveyor belts.
  • the second conveyor belt also assumes the function of the first conveyor belt, so that the second conveyor belt is assigned both to the cutting unit and to the stacking unit. This is especially true in the embodiments in which the horizontal distance of the first roll to the second roll is adjustable, possible.
  • the second roll may be part of the cutting unit in this case.
  • the FIG. 1 shows an inventive device for cutting and stacking plates, in particular paper, cardboard, corrugated, foil, textile, plastic, foam or wood plates or sheets, in an oblique view.
  • the apparatus is divided, on the one hand, into a cutting unit 1 and, on the other hand, into a stacking unit 11.
  • the cutting unit 1 has a cutting table in the form of a first conveyor belt 2 with a horizontally extending first top section 3.
  • the first top portion 3 is the upwardly facing portion the conveyor belt 2, which acts as a cutting table and on which rests in the embodiment shown a plate to be cut 10a.
  • the first conveyor belt 2 with its first upper side section 3 can be driven in a substantially horizontal first direction 5 by means of a first drive 6 in order to transport the plate 10a in or out of the cutting area of the cutting unit 1.
  • a cutting tool 4 is arranged, which is adjustable within a cutting area parallel to the first top section 3, ie substantially horizontally, along two mutually perpendicular, horizontal axes.
  • the cutting tool 4 is also vertically adjustable to bring it - possibly with different depths of engagement - in engagement with the plate to be cut.
  • the plate 10a to be cut placed on the first upper side section 3 can be cut in the cutting region as described above.
  • a control unit 41 at least the drives of the cutting head, on which the cutting tool 4 is arranged, for adjusting the cutting head and the first drive 6 for driving the first conveyor belt 2 can be controlled.
  • the stacking unit 11 comprises a stack support 31 with a support surface 32 on which a plurality of cut sheets 10c can be stacked on each other in a geometric vertical projection region 33 of the support surface 32.
  • the geometric vertical projection area 33 shown by four dashed lines is the area along which the plate stack 10c extends in its vertical continuation.
  • On the plate stack 10c is a top cut plate 10c ' on.
  • the support surface 32 can be adjusted in height with the entire plate stack 10c.
  • the stack support 11 has a second conveyor belt 12 with a horizontally extending second upper side section 13.
  • the second conveyor belt 12 With its second upper side portion 13 in a horizontal second direction 15 which is collinear with the first direction 5, driven.
  • the second conveyor belt 12 is disposed adjacent to the first conveyor belt 2 such that the plate 10a can be transported out of the cutting area from the first top side section 3 to the second top side section 13 by driving the first conveyor belt 2 in the first direction 5.
  • FIG. 1 a carriage 23 in a second position B.
  • FIGS. 2a to 4c are based on the device according to FIG. 1 and show concrete embodiments of this device according to the invention, which is why some of the features and reference numbers already explained need not be discussed again.
  • FIG. 2a The first conveyor belt 2 with the first top side section 3, on which a plate 10b cut by means of the cutting unit 1 rests, is shown schematically.
  • the horizontally extending first Top section 3 is deflected vertically downward by means of a roller 7 and returned in the opposite direction.
  • the horizontally extending second upper side portion 13 of the second conveyor belt 12 is spanned between a first roller 21 and a second roller 22 spaced horizontally from the first roller 21.
  • the first roller 21 is arranged on a carriage 23, the first roller 21 is arranged.
  • the carriage 23 is above the support surface 32 and substantially parallel relative to the geometric plane of the support surface 32 by means of a third drive, which in the FIGS. 2a to 2g not shown, but in FIGS. 4a and 4c is shown between a position A, FIGS. 2d and 2e , and a second position B, FIGS. 2a, 2b and 2g , adjustable.
  • the direction from the first position A to the second position B is hereinafter referred to as the third direction 25, which is parallel to the second direction 15, corresponding FIG. 2f designated.
  • the second conveyor belt 12 is arranged with its second upper side portion 13 in the vertical projection region 33 of the support surface 32 and covers the support surface 32 almost completely, wherein the second upper side portion 13 is arranged substantially parallel spaced from the support surface 32.
  • the second conveyor belt 12 is arranged with its second upper side portion 13 outside the projection region 33 of the support surface 32.
  • the second roller 22 is horizontal relative to the support surface 32 fixed. The horizontal distance between the first roller 21 and the second roller 22 and thus the length w of the second upper side section 13 along the second direction 15 is determined by the displacement of the Schlittens 23 adjustable, as in the FIGS. 2b and 2e shown.
  • the second conveyor belt 12 is formed as a circulating, self-contained band.
  • tape length compensation means are provided for retightening the second conveyor belt 12 in such a way that the second conveyor belt 12 in the second top section 13 adjusts the length w, FIGS. 2b and 2e , is curious.
  • the tape length compensation means are formed by two dancer rollers 24, around which the second conveyor belt 12 is guided.
  • the two dancer rollers 24 are arranged between the first roller 21 and the second roller 22 and between three arranged below the second top portion 13 guide rollers 27 below the second top portion 13 and vertically movable between the cutting unit 1 and the stack support 31 such that on the two Dancer rollers 24 acting gravity or other force, such as a spring force, the second conveyor belt 12 keeps taut, as in particular from the FIGS. 2b and 2e seen.
  • the first drive 6 is controlled in such a way that the plate 10b cut by the cutting unit 1 is guided by the first upper side section 3, FIG. 2a is transported to the second upper side portion 13 at least in the first direction 5, as in Figs FIGS. 2a and 2b shown.
  • the second upper side section 13 of the second conveyor belt 12 is also driven in the second direction 15. This is done by both Adjusting the carriage 23 by driving the third drive and thus the first roller 21 in the opposite third direction 25 ', and by driving the second drive 16, as shown by the arrows in the Figures 2c and 2d recognizable.
  • the plate 10b is driven by driving the second drive 16 and the third drive 26 in a position in which the cut plate 10b substantially completely in the vertical projection region 33 of the support surface 32 above the support surface 32 and the Carriage 23 is shifted to the first position A, transported in the second direction 15, as in FIG. 2e shown.
  • the second position B was assumed to be the basic position. It should be noted that it is also possible to move the plate 10b from the first top portion 3 to the second top portion 13 and further to the position where the cut plate 10b is substantially entirely in the vertical projection area 33 of the support surface 32 above the support surface 32 is arranged to transport, while the carriage 23 remains in the first position A, by exclusively the first drive 6 and the second drive 16 are driven and the third drive is stationary.
  • the drive of the second drive 16 is performed such that the second conveyor belt 12 in the region of the second roller 22 relative to the second roller 22 and the second roller 22 are stationary, as in the Figures 2f and 2g shown on the fixed roller 22.
  • the plate 10b starting from the first position A, the base, namely the second top portion 13, by the shortening of the length w withdrawn, so that the cut plate 10b substantially without horizontal movement in the vertical direction on the support surface 32 tilts or falls as in the Figures 2f and 2g illustrated. Since there is substantially no relative horizontal movement of the disc 10b upon placement, scratching of the disc 10b and / or the uppermost disc 10c 'on the disc stack 10c is avoided. Individual segments of the cut plate 10b are not shifted from each other.
  • FIGS. 3a to 3g a second embodiment and the FIGS. 4a to 4c a third embodiment each with a second conveyor belt 12, which is formed as an open, between two winding rollers 21 and 29 and 28 and 29 tensioned band, wherein the at least one second drive 16 for driving at least one of the two winding rollers 21, 28 and 29 is formed.
  • a first take-up roller 21 is disposed on the slidable carriage 23. This first winding roller 21 is simultaneously formed by the first roller 21.
  • the second take-up roller 29 is horizontally fixed with respect to the support surface 32, the first conveyor belt 2 and the cutting unit 1, arranged. This second take-up roller 29 is mounted adjacent to the second roller 22, namely below the second roller 22.
  • the length w of the second top portion 13 is adjustable by moving the carriage 23 and thus the first take-up roller 21 with simultaneous winding or unwinding of the take-up rollers 21 and 29, as in the FIGS. 3b to 3g shown.
  • the at least one second drive is formed by a first take-up roll drive for driving the first take-up roll 21 and a second take-up roll drive for driving the second take-up roll 29.
  • the first take-up roller drive and the second take-up roller drive are controlled such that the second conveyor belt between the two take-up rollers 21 and 29 in the adjustment of the length w of second top portion 13 is kept taut, as in the FIGS. 3b to 3f shown.
  • the carriage 23 is moved with the first take-up roller 21 in the opposite third direction 25 ', wherein the second take-up roller 29 is unwound, as in the Figures 3c and 3d shown.
  • the now resting on the second top portion 13 plate is thus by moving the carriage from the second position B, FIGS. 3a and 3b , in the first position A, Figures 3d and 3e , brought into the vertical projection area 33 of the support surface.
  • the plate 10b is transported in the direction of the first take-up roller 21, that is in the second direction 15, as in US Pat FIG. 3e shown. Is the cut plate 10b accordingly FIG. 3e just above the support surface 32 or a plate 10c 'there resting, the first take-up roller 21 is driven at a stationary second take-up roller 29.
  • the first take-up roller 21 moves together with the carriage 23 from the first position A, FIG. 3e towards the second position B, FIG. 3g , wherein the second upper side portion 13 and thus also the sliced plate 10b resting thereon rest horizontally relative to the support surface 32.
  • the second roller 22 is stationary, as in FIG.
  • the length w of the second top side section 13 is shortened.
  • the plate resting horizontally above the support surface 32 is removed from its base, so that it comes to lie vertically without horizontal relative movement on the support surface 32, as in FIG. 3g shown.
  • the second conveyor belt 12 is subsequently rewound from the first take-up roller 21 to the second take-up rollers 29 by means of the take-up roller drives, so that starting from the state according to FIG. 3g again the state according to FIG. 3a is taken.
  • FIGS. 4a to 4c is a variant of the second embodiment of FIGS. 3a to 3g shown.
  • the open second conveyor belt 12 is tensioned between two stationary windup rollers 28 and 29.
  • a first take-up roller drive 16a serves to drive the first take-up roller 28 and a second take-up roller drive 16b to drive the second take-up roller 29.
  • the two take-up rollers 28 and 29 are stationary near the second roller 22 between the cutting unit 1 and the stack support 31 arranged.
  • the second conveyor belt 12 is guided by the first take-up roller 28 via a deflection roller 27b to the first roller 21, which is arranged on the carriage 23. Between the first roller 21 and the second roller 22, the second conveyor belt 12 is guided horizontally in its second upper side portion 13 and is supported by support rollers 30 from below.
  • a light barrier 39 is arranged on the carriage 23 in order to be able to detect possible obstacles, in particular cut panels, protruding parts, objects or persons, during the displacement of the carriage in the opposite third direction 25 '.
  • the carriage 23 moves before depositing a plate in advance of the second position B, FIG. 4a , in the first position A, Figure 4c to ensure that the entire surface is free of obstacles and the cut plate 10b unhindered can be placed on the support surface 32 or the top plate 10c of a disk stack 10c.
  • a feed clamp 37 which is arranged close to the first roller 21, is provided for holding the second conveyor belt 12 activated on the carriage 23.
  • This feed clamp 37 prevents the second conveyor belt from making a relative movement to the first roller 21.
  • the two take-up rollers 28 and 29 clamp the second conveyor belt 12 by means of the take-up roller drives 16a and 16b, for example by means of DC motors or rotary field magnets.
  • the carriage 23 is now moved by the third drive 26 from the second position B, FIG. 4a towards the first position, Figure 4c shifted in the opposite third direction 25 ', while the cut plate 10b initially rests on both the first top portion 3, and on the second top portion 13.
  • the speed of the carriage 23 corresponds to the speed of the first conveyor belt 2. Meanwhile, the conveyor belt 12 is unwound from both take-up rollers 28 and 29 evenly until the carriage 23, the first position A according to Figure 4c has reached.
  • the lead clamp 37 is released on the first roller 21.
  • the first take-up roller drive 16a is activated, so that the plate 10b on the second top portion 13th can be brought in the second direction 15 and in Kochlage to the top plate 10c 'of the plate stack 10c.
  • This step may also be omitted depending on the end position of the carriage 23. Alternatively, this step replaces the carriage 23 from the second position B to the first position A if the carriage 23 already lingers at the time of transport of the plate 10b from the first conveyor belt 2 to the second conveyor belt 12 in the first position A.
  • a return clamp 38 arranged close to the second roller 22 is activated, so that the second conveyor belt 12 is held in the area of the second roller 22.
  • this return clamp 38 it is also possible to block the second take-up roller drive 16b.
  • clamping may be advantageous.
  • the carriage 23 is now from the first position A, Figure 4c in which the carriage 23 and the second top portion 13 cover the top plate 10c 'of the plate stack 10c and are arranged in the vertical projection area 33, the cut plate 10b resting above the top plate 10c' on the second conveyor 12, to the second position B outside the projection area 33 adjusted.
  • the second conveyor belt 12 Since the second conveyor belt 12 is retained in the area of the fixed second roller 22 by the return clamp 38 or by the blocking of the second take-up roller drive 16b, the second upper side section 13 of the second conveyor belt 12 does not cause relative horizontal movement to the uppermost plate 10c '. but he shortens himself.
  • the second conveyor belt 12 is set on the first take-up roller 28 by driving the first take-up roller drive 16a recorded.
  • the cut plate 10b is laterally extracted from the ground without the plate 10b making a horizontal relative movement to the uppermost plate 10c ', so that the cut plate 10b comes to rest vertically on the uppermost plate 10c'.
  • the second conveyor belt 12, which is now rolled up mainly on the first take-up roll 28, is rewound from the first take-up roll 28 to the second first take-up roll 29, so that the original starting position is reached again.
  • the stack support 31 is assigned a fourth drive 36, by means of which the vertical distance v, FIG. 4b , is adjustable between the geometric plane of the support surface 32 and the geometric plane of the second top portion 13. In other words, the height of the stack support 31 can be adjusted by means of the fourth drive 36.
  • the stack support 31 are associated with detection means 42, by means of which the vertical height h of the resting on the support surface 32 stack of cut plates 10c can be detected.
  • detection means 42 are designed in particular as an optical sensor for detecting the stack height.
  • the detection means 42 are in such signal communication with the fourth drive 36, that the vertical distance y between the uppermost resting on the support surface 32 sliced plate 10c 'and the geometric plane of the second top portion 13 depending on the vertical height h of the plate stack 10c in Substantially constant, preferably as low as possible.
  • FIGS. 5a to 5f an alternative fourth embodiment in which the entire second conveyor belt 12 including the first roller 21 and the second roller 22 are disposed on the carriage 23, as in FIG FIG. 5a shown.
  • This carriage 23 is horizontally displaceable between the first conveyor belt 2 of the cutting unit 1 and the stack support 31.
  • the carriage 23 adjoins the cutting unit 1 in such a way that a plate 10b resting on the first top section 3 of the first conveyor belt 2 can be transported from there to the second conveyor belt 12 by driving the first conveyor belt 2 in the first direction 5 in the FIGS. 5a to 5c shown.
  • the carriage 23 and the second top portion 13 of the second conveyor belt 12 are outside the vertical projection area 33 of the support surface 32, as in Figs FIGS. 5a to 5c recognizable.
  • control unit 41 is formed and is in such a signal connection to the second drive 16 and the third drive 26 that the cut plate 10b in relative horizontal rest position above the support surface 32 on the support surface 32 or the at least one resting on the support surface 32 cut plate (10c) can be placed.
  • This is done by means of the third drive 26 of the carriage 23 from the first position A, FIG. 5d , in the second position B, FIG. 5f is moved in the third direction 25, at the same time the second conveyor belt 12 is driven synchronized in the second direction 15 by means of the second drive 16, so that the second top portion 13 by the displacement of the carriage 23 introduced horizontal movement by driving the second Conveyor belt 12 is compensated in the opposite direction and thus the second upper side portion 13 is stopped horizontally.
  • the second direction 15 of the third direction 25 is opposite and the speeds of the second drive 16 and the third drive 26 correspond in their speed of action each other, but in opposite directions.
  • the cut surface of the sliced plate 10b is laterally withdrawn and it tilts vertically onto the support surface 32, as in FIG. 5e shown.
  • the first conveyor belt 2 and the second conveyor belt 12 may be formed as a single, continuous conveyor belt be, with the role 7 can be omitted.
  • a height adjustment of the stack support 31 as shown in the third embodiment, it is also possible to provide a height adjustment of the carriage 23 to the vertical distance y between the top resting on the support surface 32 cut plate 10c 'and the plane of the second top portion 13th to keep constant or minimize.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
EP10166554A 2010-06-18 2010-06-18 Dispositif de coupe et d'empilage de plaques Withdrawn EP2397283A1 (fr)

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EP10166554A EP2397283A1 (fr) 2010-06-18 2010-06-18 Dispositif de coupe et d'empilage de plaques

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103507103A (zh) * 2013-10-17 2014-01-15 山东金宇轮胎有限公司 一种切胶机
JP2014087921A (ja) * 2012-10-05 2014-05-15 Shima Seiki Mfg Ltd シート材の裁断積層装置及びシート材の裁断積層方法
CN104275720A (zh) * 2014-09-17 2015-01-14 东莞市塘厦肇颖机械五金厂 片卷状模切机
CN104875234A (zh) * 2015-06-14 2015-09-02 宁波乔士橡塑有限公司 一种高速自动橡胶板冲片机
CN106827024A (zh) * 2016-12-16 2017-06-13 东莞市天合机电开发有限公司 一种包装用泡沫板的切裁工作台
CN107838982A (zh) * 2017-09-06 2018-03-27 惠州市熊宝科技有限公司 布匹切片机
CN108608475A (zh) * 2018-04-25 2018-10-02 佛山聚晨知识产权运营有限公司 一种保温板智能切割制造机
CN108789607A (zh) * 2018-08-27 2018-11-13 重庆梦马致新科技有限公司 一种纸板切割自动卸料装置
IT201700066129A1 (it) * 2017-06-14 2018-12-14 L C R Macch Automatiche S R L Macchina cartonatrice
CN109051973A (zh) * 2018-08-29 2018-12-21 盐城名杰纸品包装有限公司 方包巾包装输送整理装置
CN111496859A (zh) * 2020-05-14 2020-08-07 付子豪 一种聚苯乙烯泡沫板定型切制码垛一体机
CN112936434A (zh) * 2021-04-20 2021-06-11 安徽宏洋包装集团股份有限公司 一种可视化白酒包装盒裁切机
CN113086561A (zh) * 2021-04-27 2021-07-09 广东捷泰克智能装备有限公司 一种用于横向传送长条型材的改进上料装置
CN113199537A (zh) * 2019-02-15 2021-08-03 高宇泽 网垫制作组件、流水线及制作方法
CN114043008A (zh) * 2021-11-23 2022-02-15 赵健 一种铝型材切割机
CN115816538A (zh) * 2022-11-17 2023-03-21 陕西银通橡胶工贸有限公司 一种具有缺陷检测功能的橡胶地板智能裁切设备
DE202022100936U1 (de) 2022-02-18 2023-05-22 Autefa Solutions Germany Gmbh Handhabungseinrichtung
CN118635595A (zh) * 2024-08-16 2024-09-13 晋州市坦途公路工程有限公司 一种建筑施工用铝合金模板切割设备
CN121268001A (zh) * 2025-12-10 2026-01-06 江苏旭智冷链科技有限公司 一种芯板的同步裁切装置

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DE3446735A1 (de) * 1984-12-21 1986-06-26 Babcock-BSH AG vormals Büttner-Schilde-Haas AG, 4150 Krefeld Transport- und abstapelvorrichtung fuer blattfoermige gueter, insbesondere fuer furnierblaetter
FR2593485A1 (fr) * 1986-01-28 1987-07-31 Nord Automatisation Sa Procede de transfert et d'empilage d'articles plats a la sortie d'un poste de travail et systemes de mise en oeuvre dudit procede
EP0331863A1 (fr) * 1988-03-09 1989-09-13 NUOVA CETASS S.p.A. Dispositif pour empiler automatiquement des peaux ou similaires
EP0474034A1 (fr) * 1990-08-21 1992-03-11 Gerber Garment Technology, Inc. Méthode et dispositif pour avancement de matière pour en couper des segments successifs
EP1645680A1 (fr) * 2003-07-10 2006-04-12 Namx Co., Ltd. Dispositif et procede de coupe de tissus et procede de coupe et d'empilage de tissus

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014087921A (ja) * 2012-10-05 2014-05-15 Shima Seiki Mfg Ltd シート材の裁断積層装置及びシート材の裁断積層方法
CN103507103B (zh) * 2013-10-17 2016-09-14 山东金宇轮胎有限公司 一种切胶机
CN103507103A (zh) * 2013-10-17 2014-01-15 山东金宇轮胎有限公司 一种切胶机
CN104275720A (zh) * 2014-09-17 2015-01-14 东莞市塘厦肇颖机械五金厂 片卷状模切机
CN104875234A (zh) * 2015-06-14 2015-09-02 宁波乔士橡塑有限公司 一种高速自动橡胶板冲片机
CN106827024A (zh) * 2016-12-16 2017-06-13 东莞市天合机电开发有限公司 一种包装用泡沫板的切裁工作台
IT201700066129A1 (it) * 2017-06-14 2018-12-14 L C R Macch Automatiche S R L Macchina cartonatrice
CN107838982B (zh) * 2017-09-06 2019-11-29 江苏来德福汽车部件有限公司 布匹切片机
CN107838982A (zh) * 2017-09-06 2018-03-27 惠州市熊宝科技有限公司 布匹切片机
CN108608475A (zh) * 2018-04-25 2018-10-02 佛山聚晨知识产权运营有限公司 一种保温板智能切割制造机
CN108789607A (zh) * 2018-08-27 2018-11-13 重庆梦马致新科技有限公司 一种纸板切割自动卸料装置
CN109051973A (zh) * 2018-08-29 2018-12-21 盐城名杰纸品包装有限公司 方包巾包装输送整理装置
CN113199537A (zh) * 2019-02-15 2021-08-03 高宇泽 网垫制作组件、流水线及制作方法
CN111496859A (zh) * 2020-05-14 2020-08-07 付子豪 一种聚苯乙烯泡沫板定型切制码垛一体机
CN111496859B (zh) * 2020-05-14 2021-06-22 台春节能新材料(苏州)有限公司 一种聚苯乙烯泡沫板定型切制码垛一体机
CN112936434A (zh) * 2021-04-20 2021-06-11 安徽宏洋包装集团股份有限公司 一种可视化白酒包装盒裁切机
CN113086561A (zh) * 2021-04-27 2021-07-09 广东捷泰克智能装备有限公司 一种用于横向传送长条型材的改进上料装置
CN114043008A (zh) * 2021-11-23 2022-02-15 赵健 一种铝型材切割机
DE202022100936U1 (de) 2022-02-18 2023-05-22 Autefa Solutions Germany Gmbh Handhabungseinrichtung
CN115816538A (zh) * 2022-11-17 2023-03-21 陕西银通橡胶工贸有限公司 一种具有缺陷检测功能的橡胶地板智能裁切设备
CN118635595A (zh) * 2024-08-16 2024-09-13 晋州市坦途公路工程有限公司 一种建筑施工用铝合金模板切割设备
CN121268001A (zh) * 2025-12-10 2026-01-06 江苏旭智冷链科技有限公司 一种芯板的同步裁切装置

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