EP3978403A1 - Verarbeitungsmaschine für textilprodukte und zugehörige zentriervorrichtung und verfahren - Google Patents

Verarbeitungsmaschine für textilprodukte und zugehörige zentriervorrichtung und verfahren Download PDF

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Publication number
EP3978403A1
EP3978403A1 EP20425039.3A EP20425039A EP3978403A1 EP 3978403 A1 EP3978403 A1 EP 3978403A1 EP 20425039 A EP20425039 A EP 20425039A EP 3978403 A1 EP3978403 A1 EP 3978403A1
Authority
EP
European Patent Office
Prior art keywords
support element
textile product
fabric
centering
movement
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Withdrawn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
EP20425039.3A
Other languages
English (en)
French (fr)
Inventor
Bruno Scortegagna
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.)
Lafer SpA
Original Assignee
Lafer SpA
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 Lafer SpA filed Critical Lafer SpA
Priority to EP20425039.3A priority Critical patent/EP3978403A1/de
Publication of EP3978403A1 publication Critical patent/EP3978403A1/de
Withdrawn legal-status Critical Current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
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/032—Controlling transverse register of web
    • B65H23/0328—Controlling transverse register of web by moving the winding device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/0204—Sensing transverse register of web
    • B65H23/0216—Sensing transverse register of web with an element utilising photoelectric effect
    • 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
    • B65H2301/41—Winding, unwinding
    • B65H2301/413—Supporting web roll
    • B65H2301/4135—Movable supporting means
    • B65H2301/41352—Movable supporting means moving on linear path (including linear slot arrangement)
    • B65H2301/413523—Movable supporting means moving on linear path (including linear slot arrangement) reciprocrating supporting means
    • 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
    • B65H2405/40—Holders, supports for rolls
    • B65H2405/42—Supports for rolls fully removable from the handling machine
    • B65H2405/422—Trolley, cart, i.e. support movable on floor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/41—Photoelectric detectors
    • B65H2553/412—Photoelectric detectors in barrier arrangements, i.e. emitter facing a receptor element
    • 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
    • B65H2701/174—Textile; fibres
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/04—Carriers or supports for textile materials to be treated

Definitions

  • the present invention concerns a machine for processing textile products, as well as the corresponding centering apparatus and method.
  • the invention is used for the correct positioning of the textile product in determinate points at the entry or exit to/from the processing machines in order to ensure the success of the subsequent processing.
  • the invention concerns textile machines which work in batch mode, with storage in motion in which the textile product is moved back and forth for suitable periods of time.
  • fabric or textile product to indicate both fabric and non-woven fabric.
  • piece means a piece of fabric or non-woven fabric.
  • Textile processing machines comprising centering apparatuses, such as fabric guides with slats, cylinders or suchlike, used to position a piece being processed in determinate positions at the inlet or outlet of the machines in order to ensure the success of the subsequent processing.
  • centering apparatuses such as fabric guides with slats, cylinders or suchlike, used to position a piece being processed in determinate positions at the inlet or outlet of the machines in order to ensure the success of the subsequent processing.
  • optical sensors such as photocells and/or barriers, or mechanical sensors or suchlike, which can be installed upstream and/or downstream of the centering apparatus.
  • the centering is managed by physically acting on the fabric, by means of its lateral displacement.
  • the prerogative to control the fabric well is to keep it slightly under tension. In some processes, such as for example dyeing or free steaming, it is not expected/possible to keep the fabric taut.
  • creases in the fabric can lead to defects, for example the presence of a crease may not allow correct washing in order to completely eliminate impurities, such as sizing substances, textile oils, corrosive chemical compounds or dirt, also resulting from previous processes, and the correct and homogeneous distribution of the dyes on the fabric.
  • impurities such as sizing substances, textile oils, corrosive chemical compounds or dirt
  • the purpose of the present invention is to provide a centering apparatus which allows to control the centering of the fabric without physically acting on it.
  • Another purpose is to allow a very precise centering of the fabric throughout the processing step, even in the processes in which the fabric is not kept under tension.
  • Another purpose is not to have any limitations on movement, without also creating creases or defects in the fabric.
  • one purpose is to optimize the control of the displacement of the fabric in all the machines that work in the back-forth mode with the fabric free, typically in batches.
  • the Applicant has devised, tested and embodied the present invention to overcome the shortcomings of the state of the art and to obtain these and other purposes and advantages.
  • the machine for processing fabrics comprises one or more processing apparatuses, at least one element for transporting the fabric in a direction of advance, and at least one centering apparatus.
  • the apparatus for centering a fabric as above comprises:
  • an appropriate management of the speed of movement of the support element can allow to have very rapid response times in the positioning, making it possible to easily treat also fabrics with short free segments before the centering apparatus.
  • the displacement of the fabric is not required, it is possible to prevent damaging it, for example in the case of very delicate fabrics, or avoid coming into contact with substances used to treat it, such as dyes or chemical treatment elements, preventing stains or smudges or suchlike.
  • Formulations of the present invention also concern a centering method which can be executed by means of a centering apparatus of a machine for processing fabrics as described above.
  • Embodiments described here with reference to figs. from 1 to 6 concern a machine 100 for processing fabrics 50, suitable for textile processing such as carbonization in pieces, purging, washing, singeing, dyeing, enzyme treatment and other processes and/or combinations thereof.
  • Embodiments described here also concern an apparatus 10 for centering the fabric 50.
  • the processing machine 100 comprises one or more processing apparatuses 101 for the processes as above, at least one element 102 for transporting the fabric 50 and at least one apparatus 10 for centering the fabric 50.
  • the transport element 102 in an equivalent manner can be a transport system with air or water, or another type of mechanical element or suchlike.
  • the processing machine 100 can be able to feed the fabric 50 in a direction of advance A through the one or more processing apparatuses 101 and the at least one feed roller 102, up to a support mean 15 able to accommodate the fabric 50, from which the fabric 50 will be removed for the subsequent processing or sent to storage.
  • the centering apparatus 10 comprises an element 11 for supporting the fabric 50, a drive member 12, at least one element 13 for detecting the position of the fabric 50 and a unit 14 for controlling the movement of the support element 11.
  • the at least one feed roller 102 is able to guide the fabric 50 exiting the processing apparatus 101 in the direction of advance A in order to be positioned in correspondence with the support element 11.
  • the fabric 50 is positioned centrally with respect to the support element 11.
  • the support element 11 can comprise at least the support mean 15 able to accommodate the fabric 50 and at least one movement element 16.
  • the mean 15 for supporting the fabric 50 can be a containing tub or cradle, a support surface, a winding roller or suchlike.
  • the support element 11 is able to move, by means of the at least one movement element 16, at least in a direction T1, T2 transverse to the direction of advance A of the fabric 50.
  • the movement element 16 can be selected from a group that includes wheels, rail systems, conveyor belts and suchlike.
  • the drive member 12 is able to drive the at least one movement element 16 of the support element 11, in particular and at least in the transverse direction T1 or T2.
  • the drive member 12 can comprise, for example, any suitable mechanical, electrical, hydraulic or pneumatic drive whatsoever, of the type known in the state of the art, such as an electric motor or actuator, a pneumatic cylinder, an electric cylinder, a gear motor or suchlike.
  • the centering apparatus 10 can also comprise one or more transduction devices 17, able to detect the position of the support element 11.
  • the transduction devices 17 can comprise direct, absolute or incremental position sensors, such as for example encoders, differential transformers, linear potentiometers or suchlike, or indirect transduction devices, such as for example devices that estimate the extent of the displacement based on measurements of current or voltage, or suchlike.
  • direct, absolute or incremental position sensors such as for example encoders, differential transformers, linear potentiometers or suchlike
  • indirect transduction devices such as for example devices that estimate the extent of the displacement based on measurements of current or voltage, or suchlike.
  • the detection element 13 is able to detect the position of the fabric 50 with respect to a plane X passing through the center of the feed roller 102 and perpendicular to its axis.
  • Figs. 3-5 show, by way of example, various positions of the fabric 50 with respect to the feed roller 102: centered in fig. 3 , off-centered to the left in fig. 4 and off-centered to the right in fig. 5 .
  • the detection element 13 can comprise a position sensor installed upstream of the support element 11.
  • the sensor as above can preferably be of the contactless type, selected from a group comprising optical sensors or ultrasonic sensors.
  • the detection element 13 can be a contact type sensor, such as a mechanical probe or suchlike.
  • the detection element 13 can also comprise a device for detecting the speed of the fabric, such as for example an ultrasonic speed sensor or an optical sensor or suchlike.
  • a device for detecting the speed of the fabric such as for example an ultrasonic speed sensor or an optical sensor or suchlike.
  • the position sensor and the speed sensor can be implemented in the same device, such as in a rotary probe.
  • the feed speed of the fabric 50 can be detected or calculated on the basis of parameters of the processing machine 100, for example on the basis of the rotation speed of the feed roller 102, or on the basis of the rotation speed, electrical parameters or other functioning parameters of other elements of the processing machine 100, such as other drawing rollers or belts or suchlike.
  • the unit 14 for controlling the movement of the support element 11 is configured to command a movement of the support element 11 at least in one of the transverse directions T1, T2 so that the fabric 50 is positioned in correspondence with the desired position on the support element 11.
  • the control unit 14 is configured so that the fabric 50 is positioned in a centered position with respect to the support element 11.
  • the control unit 14 can comprise a processing unit, or CPU, and an electronic memory.
  • the control unit 14 can possibly also comprise a graphic interface, devices for interfacing with an operator, such as displays, a mouse, keyboards, printers, and/or wireless or wired communication systems, for communication with subsequent processing systems, external storage systems, cloud-based systems, databases and suchlike, such as modems, Bluetooth gates or signal cables or any other form of communication device whatsoever. It can possibly also comprise auxiliary circuits, such as circuits for interfacing with external power supply systems, automatic backup systems, and suchlike.
  • the processing unit can be any form of computer processor whatsoever usable in the IT field to process data advantageously in the field of mechanical textiles and non-woven fabric.
  • the electronic memory can be connected to the processing unit and be, for example, a random access memory (RAM), a read only memory (ROM), a floppy disc, a hard disk, a mass storage memory, or any other form whatsoever of digital storage, local or remote.
  • RAM random access memory
  • ROM read only memory
  • floppy disc a hard disk
  • mass storage memory a mass storage memory
  • the memory can be able to store one or more algorithms (or instructions, or program or computer software code) readable by the processing unit to implement the centering method according to this description.
  • the control unit 14 can be configured to detect signals sent by the detection element 13 relating to the position of the fabric 50 with respect to the feed roller 102.
  • Such control unit 14 can be configured to also detect signals sent by the detection element 13 relating to the speed of the fabric 50.
  • the control unit 14 can be configured to calculate the displacement times of the support element 11 so as to continuously guarantee a perfect positioning of the fabric with respect to the support element 11.
  • reading level of the detection element 13 we mean the level at which the one or more detection element(s) 13 is/are positioned with respect to the support element 11.
  • control unit 14 can be configured to calculate the displacement times of the support element 11 only based on the distance D.
  • control unit 14 is configured to receive signals relating to the position of the support element 11 from the one or more transduction devices 17 and to define, by means of the one or more algorithms as above and based on the signals relating to the position of the support element 11 and on the signals relating to the position and possibly the speed of the fabric 50, the extent of the movement of the support element 11 in the transverse direction T1, T2.
  • the algorithm as above can be configured to calculate the center C1 of the fabric starting from the measured positions of the two ends E1, E2, or of the height H, of the fabric. It can therefore be configured to calculate the distance D1 between the center C1 of the fabric 50 and the center C2 of the support element 11.
  • the desired position of the fabric in correspondence with the support element 11 can be, as a non-exclusive example, the center C2 of the support element 11 and/or of the support means 15.
  • the algorithm can finally be configured to define command parameters for the drive member 12 for moving the support element 11.
  • control unit 14 is configured to also execute an algorithm for updating the position of the support element 11 and to calculate, on the basis of the updated position and of the signals relating to the position of the fabric 50, the extent of the movement of the support element 11 in the transverse direction T1, T2.
  • control unit 14 can store a position of the support element 11 and update it on the basis of some parameters of the drive member 12, such as the movement speed, the movement time, the amount of currents and voltages used for the movement and/or similar parameters.
  • the centering apparatus 10 can be used in processing machines 100 in batch mode.
  • batch mode the fabric is repeatedly moved between two support elements 11. With each passing, the fabric is processed by the processing apparatuses 101.
  • the positioning of the fabric 50 by means of the movement of the support element 11 prevents the displacement of the fabric, preventing the generation of creases and overlaps in the fabric 50 itself. Furthermore, interacting with the fabric by means of pliers, hooks or suchlike is also avoided, for example so as not to interact with the substances used for the processing, for example avoiding contact with the dyes which cause possible discoloration or smudging.
  • Some embodiments described here also concern a method to center the fabric 50.
  • the method can provide the following steps:
  • the method can provide to detect and calculate the position of the center C1 of the fabric 50, based on the detection of the position of the ends E1 and E2 of the fabric 50.
  • the fabric 50 can be positioned so that the center C1 coincides with the center C2 of the support element 11.
  • the center C1 can be positioned at a suitable distance from the center C2.
  • the method can provide to detect or calculate the speed of the fabric 50. It can therefore provide to also use the datum of the speed of the fabric 50 to calculate the extent of the movement of the support element 11 in the transverse direction T1, T2.
  • the method can provide to detect the position of the support element 11 by means of one or more transduction devices 17.
  • the method can provide to execute an algorithm for updating the position of the support element 11 in order to calculate its position.

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  • Treatment Of Fiber Materials (AREA)
EP20425039.3A 2020-09-30 2020-09-30 Verarbeitungsmaschine für textilprodukte und zugehörige zentriervorrichtung und verfahren Withdrawn EP3978403A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20425039.3A EP3978403A1 (de) 2020-09-30 2020-09-30 Verarbeitungsmaschine für textilprodukte und zugehörige zentriervorrichtung und verfahren

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20425039.3A EP3978403A1 (de) 2020-09-30 2020-09-30 Verarbeitungsmaschine für textilprodukte und zugehörige zentriervorrichtung und verfahren

Publications (1)

Publication Number Publication Date
EP3978403A1 true EP3978403A1 (de) 2022-04-06

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EP20425039.3A Withdrawn EP3978403A1 (de) 2020-09-30 2020-09-30 Verarbeitungsmaschine für textilprodukte und zugehörige zentriervorrichtung und verfahren

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1219576B (de) * 1962-12-10 1966-06-23 Continental Elektro Ind Ag Einrichtung zur Regelung der Bandmittenlage bandfoermiger Wickelgueter
FR2294964A1 (fr) * 1974-12-18 1976-07-16 Elmeg Dispositif pour enrouler des matieres en forme de bande en respectant leur alignement marginal
US4021031A (en) * 1975-12-08 1977-05-03 Butler Automatic, Inc. Web alignment system
US4077579A (en) * 1976-04-12 1978-03-07 Columbia Ribbon & Carbon Mfg. Co., Inc. Edge alignment apparatus
US4860964A (en) * 1986-11-19 1989-08-29 Fuji Photo Film Co., Ltd. Method for controlling the position of a web moving along a given path and apparatus for use in such method
WO1992018968A1 (de) * 1991-04-18 1992-10-29 Carl Brose Gmbh Rollbandapparat
DE19725223A1 (de) * 1997-06-14 1998-12-17 Rovema Gmbh Hüllstoffträger zum Aufnehmen einer Hülse und einer auf der Hülse aufgewickelten Hüllstoffbahn
EP2703325A2 (de) * 2012-08-31 2014-03-05 Seiko Epson Corporation Mediumzufuhrvorrichtung, Verfahren zur Steuerung der Mediumzufuhrvorrichtung und Aufzeichnungsvorrichtung
CN104276420A (zh) * 2013-07-01 2015-01-14 扬州祥贝机械有限公司 新型对边中心收卷机
US20150239181A1 (en) * 2012-09-17 2015-08-27 SNECMA a corporation Machine for winding a fibrous material enabling alignment and off-centering control by image analysis
CN110155780A (zh) * 2019-05-28 2019-08-23 南京量凯智能科技有限公司 一种布料贴膜纠偏系统和纠偏方法

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1219576B (de) * 1962-12-10 1966-06-23 Continental Elektro Ind Ag Einrichtung zur Regelung der Bandmittenlage bandfoermiger Wickelgueter
FR2294964A1 (fr) * 1974-12-18 1976-07-16 Elmeg Dispositif pour enrouler des matieres en forme de bande en respectant leur alignement marginal
US4021031A (en) * 1975-12-08 1977-05-03 Butler Automatic, Inc. Web alignment system
US4077579A (en) * 1976-04-12 1978-03-07 Columbia Ribbon & Carbon Mfg. Co., Inc. Edge alignment apparatus
US4860964A (en) * 1986-11-19 1989-08-29 Fuji Photo Film Co., Ltd. Method for controlling the position of a web moving along a given path and apparatus for use in such method
WO1992018968A1 (de) * 1991-04-18 1992-10-29 Carl Brose Gmbh Rollbandapparat
DE19725223A1 (de) * 1997-06-14 1998-12-17 Rovema Gmbh Hüllstoffträger zum Aufnehmen einer Hülse und einer auf der Hülse aufgewickelten Hüllstoffbahn
EP2703325A2 (de) * 2012-08-31 2014-03-05 Seiko Epson Corporation Mediumzufuhrvorrichtung, Verfahren zur Steuerung der Mediumzufuhrvorrichtung und Aufzeichnungsvorrichtung
US20150239181A1 (en) * 2012-09-17 2015-08-27 SNECMA a corporation Machine for winding a fibrous material enabling alignment and off-centering control by image analysis
CN104276420A (zh) * 2013-07-01 2015-01-14 扬州祥贝机械有限公司 新型对边中心收卷机
CN110155780A (zh) * 2019-05-28 2019-08-23 南京量凯智能科技有限公司 一种布料贴膜纠偏系统和纠偏方法

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