EP3128061A1 - Procédé de commande de processus de teinture pour machine de teinture d'un tissu en forme de corde avec entraînement par convoyeur - Google Patents

Procédé de commande de processus de teinture pour machine de teinture d'un tissu en forme de corde avec entraînement par convoyeur Download PDF

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Publication number
EP3128061A1
EP3128061A1 EP15179792.5A EP15179792A EP3128061A1 EP 3128061 A1 EP3128061 A1 EP 3128061A1 EP 15179792 A EP15179792 A EP 15179792A EP 3128061 A1 EP3128061 A1 EP 3128061A1
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European Patent Office
Prior art keywords
dyeing
fabric
circulation
dyeing process
cycles
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EP15179792.5A
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German (de)
English (en)
Inventor
Chi-Lung Chang
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Individual
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Individual
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Publication date
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Priority to EP15179792.5A priority Critical patent/EP3128061A1/fr
Publication of EP3128061A1 publication Critical patent/EP3128061A1/fr
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    • 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
    • D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/34—Driving arrangements of machines or apparatus
    • D06B3/36—Drive control
    • 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
    • D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/28—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics propelled by, or with the aid of, jets of the treating material

Definitions

  • the present invention generally relates to a conveyor drive fabric dyeing machine that is used to dye rope-like fabric, and more particularly to a method for controlling a dyeing process.
  • FIG 1 is a schematic view illustrating a dyeing circulation of fabric in a conventional dyeing machine.
  • the operation principle is that dye liquid F is pressurized by a pump D2 and passes through a heat exchanger C (for increasing or decreasing temperature) into a nozzle A4 to generate a jetting or overflowing liquid flow and then returns to a fabric accumulation tank A1 of a dyeing machine A.
  • Fabric B is driven by a fabric roller A3 (or alternatively using no fabric roller) into the nozzle A4 so that the fabric B is driven by the force induced by the jetting or overflowing liquid flow from the nozzle A4 to circulate.
  • Dye liquid and chemical agents are supplied from a service tank E and pressurized by a pump D1 to feed into a dyeing circulation loop of the dyeing machine A.
  • the dye liquid F and the fabric B undergo a process of heating, temperature holding, and cooling achieved with the heat exchanger C to have the dye absorbed by the fabric thereby achieving a dyeing effect of scouring, coloring, color fixing, and water rinsing.
  • Uniformity of dyeing is determined by the number of cycles of circulation of the fabric during the dyeing process, namely the number of interactions between the fabric B and the dye liquid in the nozzle A4 and the dyeing tube A2.
  • a great number of cycles of circulation indicates a great number of interactions and thus better uniformity of dyeing, as well as the extent of water rinsing and dyeing fastness.
  • FIG 2 which shows a typical dyeing process employed in a conventional dyeing machine
  • the conventional dyeing machine uses "time" as a control unit (denominator) to carry out treatments of fabrics dyeing, including, in sequence, chemicals adding, heating, temperature holding, heating, temperature holding, cooling, water rinsing, chemicals adding, heating, temperature holding, cooling, and hot water rinsing.
  • Control is generally achieved with a computer or a programmable logic controller (PLC).
  • PLC programmable logic controller
  • the conventional dyeing machine uses "time" as a control unit, it generally takes the same amount of time to complete a dyeing process regardless the actual length or weight of the fabrics being dyed.
  • time since different pieces of fabric that are dyed may have different weights or the thicknesses of the fabrics may be different, the lengths of fabrics in each batch and each tube may be different.
  • the fabrics may be of the same type, adopting a dyeing process of the same amount of dyeing time is generally a waste of time. Further, during the entire dyeing process of the fabrics, due to the actual amount (length) of fabric to be dyed in each batch or each tube of the dyeing machine being different, the number of cycles of circulation is different.
  • An object of the present invention is to overcome the problems occurring in a dyeing process of a conventional dyeing machine that uses "time" as a control unit so that the same amount of time is taken in carrying out the dyeing process for the same type of fabrics regardless the actual lengths of the fabrics that are dyed so that even though the dyeing time is identical, the results of the dyeing operations are different thereby leading to the problems of batch deviation or tube deviation, inconsistent fastness, poor reproductivity, and waste of time.
  • the present invention is made to change the way of control of the conventional dyeing machine by using the number of cycles of circulation of fabric as a control unit (denominator).
  • the horizontal axis of the plot shown in FIG 2 is changed from "time” to "number of cycles of circulation of fabric".
  • the dyeing process is controlled on the basis of the number of cycles of circulation of fabric. For a rope of fabric having a great length, the time required for the entire dyeing process is long; and for a rope of fabric having a small length, the time required for the entire dyeing process is short.
  • the technical solution of the present invention is to arrange a fabric seam and circulation time and circulation cycle counter at a proper location in a machine body of a conveyor drive rope-like fabric dyeing machine. Since movement of fabric from a rear end toward a front end is driven by a conveyor, a circulation speed of the fabric is synchronous with the conveyor. Thus, although circulation time of the fabric of each cycle of circulation is adjustable, a fixed speed and a fixed time period are adopted once selected and set.
  • the present invention makes use of such a characteristic of speed being fixed and, through employment of a computer of a programmable logic controller (PLC), uses the number of cycles of circulation of fabric as a control unit for the dyeing process.
  • PLC programmable logic controller
  • the present invention provides a conveyor drive rope-like fabric dyeing machine, which comprises a fabric seam and circulation time and circulation cycle counter arranged at a proper location in a machine body of the conveyor drive rope-like fabric dyeing machine. Since movement of fabric from a rear end toward a front end is driven by a conveyor, a circulation speed of the fabric is synchronous with the conveyor. Thus, although circulation time of the fabric of each cycle of circulation is adjustable, a fixed speed and a fixed time period are adopted once selected and set. The present invention makes use of such a characteristic of speed being fixed and, through employment of a computer of a programmable logic controller (PLC), uses the number of cycles of circulation of fabric as a control unit for the dyeing process.
  • PLC programmable logic controller
  • FIG 3 is a plot showing a dyeing process of a conveyor drive rope-like fabric dyeing machine according to the present invention, in which "number of cycles of circulation" is used to substitute “time” that is used as the horizontal axis of the dyeing curve shown in FIG 2 of a conventional rope-like fabric dyeing machine and a computer or a programmable logic controller is used to control the dyeing process.
  • treatments of the dyeing process including, in sequence, chemicals adding, heating, temperature holding, heating, temperature holding, cooling, water rinsing, chemicals adding, heating, temperature holding, cooling, and hot water rinsing are carried out with the "number of cycles of circulation" being taken as a control unit.
  • the actual dyeing effect obtained with the conveyor drive rope-like fabric dyeing machine is primarily and directly determined by the number of cycles of circulation of the fabric, not the length of time (namely an absolute relationship being had with respect to the number of cycles of circulation, while a relative relationship is had with respect to time).
  • the fabric speed in each tube or each batch of the dyeing machine is the same, if the time used is the same, then the number of cycles of circulation is less for fabric having a greater length and the number of cycles of circulation is greater for fabric having a shorter length.
  • time is the same, the degree of dyeing is different and the result of dyeing is also different, leading to issues of tube deviation, batch deviation, inconsistent fastness, and inconsistent reproductivity.
  • the number of cycles of circulation must be identical regardless the actual length of fabric dyed.
  • the time can be shortened correspondingly This can shorten the time for the entire dyeing operation and since the number of cycles of circulation is the same regardless the length of the fabric, the degree of dyeing is the same and one hundred percent of reproductivity of dyeing can be achieved.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
EP15179792.5A 2015-08-05 2015-08-05 Procédé de commande de processus de teinture pour machine de teinture d'un tissu en forme de corde avec entraînement par convoyeur Withdrawn EP3128061A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15179792.5A EP3128061A1 (fr) 2015-08-05 2015-08-05 Procédé de commande de processus de teinture pour machine de teinture d'un tissu en forme de corde avec entraînement par convoyeur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15179792.5A EP3128061A1 (fr) 2015-08-05 2015-08-05 Procédé de commande de processus de teinture pour machine de teinture d'un tissu en forme de corde avec entraînement par convoyeur

Publications (1)

Publication Number Publication Date
EP3128061A1 true EP3128061A1 (fr) 2017-02-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP15179792.5A Withdrawn EP3128061A1 (fr) 2015-08-05 2015-08-05 Procédé de commande de processus de teinture pour machine de teinture d'un tissu en forme de corde avec entraînement par convoyeur

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EP (1) EP3128061A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2208299A (en) * 1987-07-31 1989-03-22 Argelich Termes & Co An arrangement for regulating the speed of circulation of a fabric through a treatment apparatus
US6085555A (en) * 1998-10-29 2000-07-11 China Textile Institute Palm-top fabric leading edge detector
CN204138915U (zh) * 2014-04-29 2015-02-04 张棋龙 具有布头检测装置的输送带式染布机
EP2952619A1 (fr) * 2014-06-04 2015-12-09 Chi-Lung Chang Machine de teinture de tissu à entraînement de bande transporteuse avec détecteur de couture

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2208299A (en) * 1987-07-31 1989-03-22 Argelich Termes & Co An arrangement for regulating the speed of circulation of a fabric through a treatment apparatus
US6085555A (en) * 1998-10-29 2000-07-11 China Textile Institute Palm-top fabric leading edge detector
CN204138915U (zh) * 2014-04-29 2015-02-04 张棋龙 具有布头检测装置的输送带式染布机
US20150308027A1 (en) * 2014-04-29 2015-10-29 Chi-Lung Chang Conveyor Drive Fabric Dyeing Machine Equiped With Seam Detector
EP2952619A1 (fr) * 2014-06-04 2015-12-09 Chi-Lung Chang Machine de teinture de tissu à entraînement de bande transporteuse avec détecteur de couture

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