EP3248917A1 - Procédé et dispositif destinés à la découpe d'objets en matériau sous forme de bande ou à la division d'un matériau sous forme de bande - Google Patents

Procédé et dispositif destinés à la découpe d'objets en matériau sous forme de bande ou à la division d'un matériau sous forme de bande Download PDF

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Publication number
EP3248917A1
EP3248917A1 EP17000867.6A EP17000867A EP3248917A1 EP 3248917 A1 EP3248917 A1 EP 3248917A1 EP 17000867 A EP17000867 A EP 17000867A EP 3248917 A1 EP3248917 A1 EP 3248917A1
Authority
EP
European Patent Office
Prior art keywords
stack
station
support
conveyor
objects
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.)
Granted
Application number
EP17000867.6A
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German (de)
English (en)
Other versions
EP3248917B1 (fr
Inventor
Held Gunnar
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Individual
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Individual
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
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Publication of EP3248917A1 publication Critical patent/EP3248917A1/fr
Application granted granted Critical
Publication of EP3248917B1 publication Critical patent/EP3248917B1/fr
Active legal-status Critical Current
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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
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/006—Feeding stacks of articles to machines
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
    • A41H43/00—Other methods, machines or appliances
    • A41H43/02—Handling garment parts or blanks, e.g. feeding, piling, separating or reversing
    • A41H43/0285—Tables
    • 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
    • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • B26D7/0675—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form specially adapted for piles of sheets
    • 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
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/30—Arrangements for removing completed piles
    • B65H31/3009—Arrangements for removing completed piles by dropping, e.g. removing the pile support from under the pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/30—Arrangements for removing completed piles
    • B65H31/3054—Arrangements for removing completed piles by moving the surface supporting the lowermost article of the pile, e.g. by using belts 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
    • B65H31/00—Pile receivers
    • B65H31/30—Arrangements for removing completed piles
    • B65H31/3054—Arrangements for removing completed piles by moving the surface supporting the lowermost article of the pile, e.g. by using belts or rollers
    • B65H31/3063—Arrangements for removing completed piles by moving the surface supporting the lowermost article of the pile, e.g. by using belts or rollers by special supports like carriages, containers, trays, compartments, plates or bars, e.g. moved in a closed loop
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/422—Handling piles, sets or stacks of articles
    • B65H2301/4226—Delivering, advancing piles
    • B65H2301/42264—Delivering, advancing piles by moving the surface supporting the lowermost article of the pile, e.g. conveyor, carriage
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/30—Other features of supports for sheets
    • B65H2405/32—Supports for sheets partially insertable - extractable, e.g. upon sliding movement, drawer
    • B65H2405/324—Supports for sheets partially insertable - extractable, e.g. upon sliding movement, drawer between operative position and non operative 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
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/18—Form of handled article or web
    • B65H2701/182—Piled package

Definitions

  • the invention relates to a method for cutting objects of sheet material.
  • the invention relates to such a method in which a plurality of material webs or a plurality of sections of a material web are stacked in a first station one above the other and substantially congruently.
  • a laying device is usually used.
  • the individual sections of the material web can be pulled off and cut to length from a supply roll or a storage bale, or they are laid one on top of another, already prefabricated in length.
  • the assembled stack is then transferred to an adjoining processing station where objects are cut out of the stack according to a cutting pattern of a specified geometry or the stack is divided into small sections.
  • the stacked webs with the cut but not yet detached or isolated objects are now transferred to another station, where they are removed. Remains of the material webs are then disposed of.
  • the stacked web sections have a length of up to 10 meters, so that the individual stations lined up, ie, the first station, the work station, and the removal station, require a total length of 30 meters and more, in addition to the space required by the Supply roll required on the inlet side of the first station.
  • the width of the material web sections which may be 2 meters and more, tools are needed to remove the cut or isolated items at the removal station from the middle of the web stack, the from the edge of the material web stack one meter and more are removed and so are not directly accessible by a person.
  • Devices currently used to cut articles from a stack of sheet material employ support tables or grids which transfer the respective web web stacks from one station to the next station.
  • the empty support tables or grids are then returned to the first station, to then build a new stack of the sheet material thereon. Due to the support tables or gratings used, the cut-out objects can only be removed when the respective support table or shelf is completely transferred from the processing station to the removal station. Also, additional space is needed to return the empty support tables back to the first station, unless the support tables are returned above or below the workstation to the first station.
  • Such methods are used in particular for the processing of thin sheets, for example using a laser cutting device, or even fabric or other fabric webs. These sheets or fabric / fabric sheets are peeled off, for example, from a material coil or bale of material.
  • the inventive method provides that in a first processing step a plurality of material webs, substantially congruent, are stacked to form a stack. If the webs are pulled from a material coil or bale of material, they are preferably cut to the required length directly in the area of the first station.
  • the material webs are stacked on a support stack one above the other to form a stack on which the stack remains in the processing station. Only after the cut objects have been removed from the support bar after it has been removed from the processing station, is the support bar returned to the first station, in order to again receive material webs thereon.
  • the inventive method provides that the material webs are stacked in the first station on a support device which is located above a conveyor with which the material web stack is transported to the processing station, which is, however, decoupled from the conveyor , Only when a material web stack is assembled on the support device, this material web stack is transferred to the conveyor, so that the material web stack immediately deposited on the conveyor, which then transports the web stack in the processing station.
  • the support device After the material web stack is completely deposited on the conveyor in the first station, the support device is returned to its basic position above the conveyor, so that it is again provided ready in this basic position that thereon a new material web stack of individual material web sections is compiled.
  • a single conveyor can be used for the transport of the web or for the transport of the material web stack from the first station on the processing station to the removal area.
  • the cutting device can be moved relative to the material web stack. This also means that the conveyor can be stopped or moved continuously or discontinuously with the material web stack in the processing station according to the requirements on the relative cutting speeds, without taking into account the stacking process in the first station or the progress of the stacking process in the first station got to.
  • the conveyor is also associated with the first station, in which the individual material web sections are stacked into a stack, this stacking process is independent of a movement of the conveyor, which is required due to the processing of a material web stack in the processing station, since the conveyor in the first station below the support device, decoupled from this is located.
  • the respective region of the material web stack in which the articles have already been cut out can be conveyed out of the processing station in order to remove there directly the articles which have already been cut out but which are still located within the material web stack.
  • the cut-out objects are easily accessible, even then, if it is very wide material webs, seen transversely to the conveyor is.
  • the method according to the invention does not use support brackets or other supports on which the material webs are stacked and with which the respective material web stack is then transferred from the first station to the second station, the processing station, and which, after processing the material web.
  • Stacks, for the removal and separation of the cut-out objects must be moved out of the processing station completely, the length of the entire device by approximately the length of such Auflagerosts or a corresponding conveyor belt, thus be shortened by about one-third.
  • the material webs are stacked on a conveyor belt which has approximately the length corresponding to the length of the material web sections which are to be stacked.
  • This conveyor belt is located above the conveyor belt, which is associated with the processing station and the output station, and is thus decoupled from this conveyor belt.
  • the conveyor belt stopped and the conveyor belt or support belt subtracted below the web stack, so that the web stack with its end on the conveyor belt postpones and settles on the level below conveyor belt and then transported to the processing station. If the material web stack has left the conveyor belt, this is in stopped his movement to build on it, decoupled from the conveyor belt, a new material web stack.
  • the stack is transferred to the located below the support means conveyor by the support means is withdrawn from under the stack.
  • the support means may be designed so that it is withdrawn below the stack without generating a substantial relative movement between the support means and the lower resting on the support material web.
  • the support device is again returned to a basic position to build a new material web stack, decoupled from the conveyor. As soon as the material web stack has been deposited from the support device onto the conveying device located underneath, a new material web stack can be created on the support device without the material web stack lying underneath resting on the conveyor device from the first station to the second Station was promoted.
  • the method according to the invention is also characterized in that at least during the time at which objects are cut out of the previously formed stack in the processing station, a new stack can be partially formed on the support device, although the conveyor, the can be moved further to move the web stack in the processing station relative to a cutting device, such as a laser beam, and the processed part of the web stack from the processing station for removing the cut or lead out isolated parts.
  • a cutting device such as a laser beam
  • a support belt is used as support means in order to build up a material web stack thereon.
  • a support band can be composed of a plurality of narrow bands running side by side, which are preferably deflected around common rollers.
  • At least two conveyors are used, wherein the one conveyor is assigned to the area below the support means while the other conveyor is assigned to the area of the processing station. These at least two conveyors should be positioned relative to each other to form a common support and transport plane for the web stack.
  • the third conveyor is assigned to the dispensing zone, which can still be kept very short, while the other two conveyors are assigned to the area of the support and the area of the processing device.
  • a conveyor belt is used, wherein a cutting grate is provided in the cutting area.
  • the conveyor belt of the conveyor could be constructed of several narrow, side by side bands, as well as for the conveyor belt or such narrow bands a wire mesh can be used.
  • the device according to the invention for cutting objects of sheet material comprises a first station in which a plurality of material webs are stacked one above the other, substantially congruently, to form a stack on a support belt or another support device.
  • a laying device can be used.
  • a conveying device is provided in order to transfer the stack into a processing station adjoining the first station, as already explained above.
  • On the opposite side of the first station of the processing station is an output zone for dispensing the cut and / or scattered items or parts of the material web stack.
  • the at least one conveyor extends from the first station at least to the end of the processing station.
  • the first station has the support means, preferably a support belt, on which, in a basic position of the support means, the web of material placed or the webs of material are stacked into a stack. It is essential that the support device is located above the conveyor, so that it is decoupled from the conveyor belt and its drive or conveying movement.
  • the support means is formed by a conveyor belt, which is guided circumferentially over at least two rollers or rollers. By this conveyor belt is driven, the web stack is transferred to the lower level in the conveyor belt.
  • a support device or a support belt provided for this purpose is preferred, which is mounted and guided so that it can be pulled off below the material web stack, so that the material web stack is deposited on the conveyor belt.
  • the material web stack seen in projection on the located below the support belt conveyor belt, does not change its position.
  • a support belt is used as support means, which is expediently removable below the stack by being returned at its one end under itself to its other end in a stack storage position.
  • the edition forming part of the support band, referred to as upper run is held stationary at its free end, while the returned portion of the support band, referred to as Untertrum, is withdrawn at its free end by out, parallel to the upper run, to the stationary Shifts towards the end.
  • the at least one roller is advantageously mounted at its two ends in such a way that it is displaceable parallel to the belt plane.
  • the upper side of the upper strand forms the support surface for the material web (s) or the material web stack.
  • the deflected over the roller part of the support belt is withdrawn, so that the roller moves below the material web and thereby the upper part of the support belt, the upper strand on the the material web stack rests, thus the support surface, gradually withdrawn by the upper strand is transferred to the lower strand.
  • the material web or the material web stack falls onto the conveying device underneath, which then transports the material web stack into the processing device.
  • the role which can also be referred to as a deflection roller, transferred back to the basic position, so that again the support surface for the construction of a further web stack, or even for placing a single web section is available.
  • a material web As far as the terms of a material web, a material web section or a material web stack are used, these terms are mutually exclusive, where possible, interchangeable.
  • the method according to the invention and the device according to the invention are preferably used for processing a material web stack which consists of material web sections stacked on top of one another, although in each case a single web section can also be processed.
  • this may be a conveyor belt, a conveyor chain or another link belt with which the material web stack can be transported from one station to the next station.
  • the transport direction can be reversed at least temporarily by the conveyor which is associated with the processing station in order to expand the working range of the processing device, for example a laser, in the processing station and to shorten the processing time.
  • the device as used in the FIGS. 1A to 1C is divided into three stations, a first station 1, a second station 2 and a third station 3, divided.
  • the first station 1 serves to stack a plurality of material webs 4 on a supporting device 5 one above the other and substantially congruent to a stack 6. These webs 4 are either supplied as such or they are deducted from a material bale or material coil 7 via a schematically illustrated laying device 25 and cut to length by a cutting device 8.
  • the support means 5 is part of a conveyor belt 9 with an upper run 10 and a lower run 11, wherein the upper side of the upper run 10 forms the support means 5.
  • the one end 12 of the conveyor belt 9, which is assigned to the upper run 10, is held stationary.
  • the other end 13 of the upper strand 10 is deflected by a deflecting device, for example a deflection roller 14, leading to the lower strand 11.
  • the deflection roller 14 opposite end 15 of the lower strand 11 is connected to a retractor 16.
  • a conveyor belt 17 extending from the first station 1, the stacking station, the second station 2, the processing station, to the third station 3, the output station extends.
  • This conveyor belt 17 is circumferentially guided around rollers 18 at its two ends.
  • the support means 5, which is provided in the illustrated embodiments by the upper part, the upper run 10, the conveyor belt 9, in their movement is independent of a movement of the conveyor belt 17 or the sub-conveyor belts 19 and 20. Consequently, the stack 6 can be produced from the material webs 4 independently of the further operation of the device.
  • the conveyor belt 9 is removed below the stack 6 assembled on the upper strand 10.
  • the lower strand 11 of the conveyor belt 9 is wound on the retractor 16 in the direction of arrow 21, so that the guide roller 14 in the direction of the arrow 22, guided in a guide device 23, shifts.
  • the upper strand 10 is deflected to the deflection roller 14, transferred to the lower strand 11, whereby the material web stack 6 continuously deposits on the upper strand of the conveyor belt 17 and 19, as shown in the Figures 1 B and 2B is shown until it rests completely on the conveyor belt 17 or 19, as the Figures 1C and 2C demonstrate.
  • the conveyor belt 9 is again unwound from the retractor 16 against the arrow 21, whereby the guide roller 14 against the arrow 22 in the guide device 23 in the starting position, in the Figures 1A and 2A is shown, moves, so that the support means 5 is provided for receiving a new stack 6, as shown in the sequence of the figures.
  • the material coil 7 and the cutting device 8 have been omitted for a clearer representation.
  • the displacement movement of the deflection roller 14 in the guide device 23 may be coupled to the rotational movement of the retractor 16.
  • springs may be coupled to the guide roller 14, for example, in the one direction of displacement of the guide roller 14 in the guide means 23 tension and the guide roller 14 with the unwinding of the conveyor belt 9 of the retractor 16 in the starting position Figures 1A . 2A and 2D withdraw.
  • the material stack 6 located on the conveyor belt 17 or the sub-conveyor belt 20 is processed in the processing station 2 by moving a processing device 24, for example a laser, back and forth, as shown by FIG Double arrow is indicated.
  • a processing device 24 for example a laser
  • the conveyor belt 17 or the sub-conveyor belt 20 can be moved in both directions.
  • both the conveyor belt 17 and the sub-conveyor belt 20 are conveyed in a preferential direction, the transporting direction, to the third station, the discharge station 3.
  • the dispensing station 3 can be kept very short (seen in the direction of the conveyor belt).
  • the processing device 24 As soon as the processing device 24 has processed a material web stack 6 in the processing station 2, the next material web stack 6 resting on the conveyor belt is transferred into the processing station 2, so that the processing of this next material web stack 6 can take place.
  • the previous processing time can be shortened with the device according to the invention, as in the first station Material web stack 6 can be formed while still a previously formed web stack 6 below the conveyor belt 9 and thus below the provided by the conveyor belt 9 support means 5 is, as the Figures 1C and 2C, 2D demonstrate.
  • a new material web stack 6 is assembled on the support device 5 in its basic position.
  • the output station 3 can be kept short because the processed parts of the web stack 6 can be removed piece by piece from the conveyor belt 17, 19, while another part of the web stack 6 is still processed.
  • material web stack 6 which is stacked on the conveyor belt 9
  • a single web portion can be placed on the conveyor belt to then transport it to the underlying conveyor belt and then into the processing station
  • material web stack 6 are preferably assembled on the support device 5 or the conveyor belt 9 in order to then guide this material web stack 6 through the processing station.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Details Of Cutting Devices (AREA)
EP17000867.6A 2016-05-23 2017-05-22 Procédé et dispositif destinés à la découpe d'objets en matériau sous forme de bande ou à la division d'un matériau sous forme de bande Active EP3248917B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016006165.0A DE102016006165A1 (de) 2016-05-23 2016-05-23 Verfahren und Vorrichtung zum Ausschneiden von Gegenständen aus bahnenförmigem Material oder zum Unterteilen von bahnenförmigem Material

Publications (2)

Publication Number Publication Date
EP3248917A1 true EP3248917A1 (fr) 2017-11-29
EP3248917B1 EP3248917B1 (fr) 2022-04-13

Family

ID=58692261

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17000867.6A Active EP3248917B1 (fr) 2016-05-23 2017-05-22 Procédé et dispositif destinés à la découpe d'objets en matériau sous forme de bande ou à la division d'un matériau sous forme de bande

Country Status (2)

Country Link
EP (1) EP3248917B1 (fr)
DE (1) DE102016006165A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202021002529U1 (de) 2021-07-29 2021-09-28 Vulkan Technic Gmbh Vorrichtung zum Schneiden von Schnittfiguren insbesondere Klebepads aus bandförmigem Material mittels Schneideinrichtung und einem variablen Greifersystem zur Aufnahme der ausgeschnittenen Klebepads

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1036732A (en) * 1963-04-24 1966-07-20 Samco Strong Ltd Improvements in or relating to cutting cloth or other material in sheet form
DE2632679A1 (de) * 1975-07-16 1977-01-20 Gerber Garment Technology Inc Verfahren und vorrichtung zum auslegen einer aus mehreren schichten bestehenden auflage aus flachmaterial auf einem arbeitstisch
DE3408775A1 (de) * 1983-04-26 1984-10-31 Georg Fischer AG Brugg, Brugg Ablegeeinrichtung fuer plattenfoermige werkstuecke
EP1593621A1 (fr) * 2004-05-05 2005-11-09 Hunkeler AG Dispositif d'empilage

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1036732A (en) * 1963-04-24 1966-07-20 Samco Strong Ltd Improvements in or relating to cutting cloth or other material in sheet form
DE2632679A1 (de) * 1975-07-16 1977-01-20 Gerber Garment Technology Inc Verfahren und vorrichtung zum auslegen einer aus mehreren schichten bestehenden auflage aus flachmaterial auf einem arbeitstisch
DE3408775A1 (de) * 1983-04-26 1984-10-31 Georg Fischer AG Brugg, Brugg Ablegeeinrichtung fuer plattenfoermige werkstuecke
EP1593621A1 (fr) * 2004-05-05 2005-11-09 Hunkeler AG Dispositif d'empilage

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Publication number Publication date
EP3248917B1 (fr) 2022-04-13
DE102016006165A1 (de) 2017-11-23

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