EP3751027B1 - Procédé de fonctionnement d'une carde et de réglage d'un intervalle de cardage de la carde et carde - Google Patents

Procédé de fonctionnement d'une carde et de réglage d'un intervalle de cardage de la carde et carde Download PDF

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Publication number
EP3751027B1
EP3751027B1 EP20178204.2A EP20178204A EP3751027B1 EP 3751027 B1 EP3751027 B1 EP 3751027B1 EP 20178204 A EP20178204 A EP 20178204A EP 3751027 B1 EP3751027 B1 EP 3751027B1
Authority
EP
European Patent Office
Prior art keywords
card
clothing
drum
target
carding gap
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.)
Active
Application number
EP20178204.2A
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German (de)
English (en)
Other versions
EP3751027A1 (fr
Inventor
Christian Birkhäuser
Samuel KRAMER
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.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter 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 Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP3751027A1 publication Critical patent/EP3751027A1/fr
Application granted granted Critical
Publication of EP3751027B1 publication Critical patent/EP3751027B1/fr
Active legal-status Critical Current
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/12—Details
    • D01G15/28—Supporting arrangements for carding elements; Arrangements for adjusting relative positions of carding elements
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/12—Details
    • D01G15/36—Driving or speed control arrangements
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/12—Details
    • D01G15/36—Driving or speed control arrangements
    • D01G15/38—Driving or speed control arrangements for use during the grinding of card clothing

Definitions

  • the present invention relates to a method for operating a card and for setting a carding gap of the card, with a control, with a display and an input device on the card and with a drum with a clothing and at least one clothing element arranged opposite the drum, with between the clothing of the drum and the clothing element a carding gap with a carding gap width is formed and a corresponding card.
  • a spinning preparation system which comprises several spinning preparation machines, such as cards and draw frames, each with a machine-related operating and display device and at least one higher-level operating and display device. All operating and display devices are connected to one another via control and regulating devices through a network.
  • a higher-level operating and display device is provided for all inputs and displays that do not require personal operation or display recording on a machine.
  • Operating and display devices for necessary inputs and displays, which require personal operation or display acquisition on the machine for the operation of the respective machine, are arranged on the machine.
  • the disadvantage here is that the operator does not get all the information he needs to set the machine displayed on the machine itself, but has to repeatedly refer to the central repository in the form of the operating instructions, for example in paper form or in electronic form in a higher-level operating and display device.
  • the EP 1 158 078 A2 discloses a method for operating a card and for setting a carding gap of the card, with a control, a display and an input device.
  • the object of the present invention is therefore to provide a method for operating a card and for setting a carding gap of the card and a corresponding card which provides all the information for setting the card on the machine itself and which facilitates the setting of the card.
  • the method for operating a card and for setting a carding gap of the card has a control, a display and an input device on the card and a drum with a clothing and at least one clothing element arranged opposite the drum.
  • a carding gap with a carding gap width is formed between the clothing of the drum and the clothing element.
  • the method is characterized by the following method steps: input of a raw material intended for carding in the input device, input of a planned production quantity in the input device, calculation of a target carding gap width, output of the target carding gap width on the display device.
  • a target carding gap width is determined and used, in particular by the control system arranged on the machine or also by a central control system that is connected to the card the display device of the card issued.
  • the definition can, for example, be calculated using an algorithm or taken from a table stored for the controller.
  • the operator - or even the card itself, if it is equipped with the appropriate devices - is thus able to carry out adjustment work on the card.
  • the operator or the card uses the display on the card, the operator or the card knows which values are to be achieved when the card is set.
  • the operator receives instructions for checking or correct setting of the card without having to leave the card to query the corresponding values at a central point and without having to carry additional control elements, such as a computer, in order to monitor the card correctly or to be able to adjust.
  • a target drum speed and / or a target lid speed is also determined and output on the display device.
  • the target drum speed and / or the target lid speed is determined by the control based on the intended raw material and / or the intended production quantity. This determination can be made either with the aid of an algorithm or a predefined table. In the table, for example, as with the definition of the nominal carding gap width, it can be stored in the factory or based on empirical values in the textile factory which drum speed and / or which flats speed or which target carding gap width, based on the raw material or the production volume, appears to be most suitable.
  • a target point in time for equalizing and / or grinding the clothing of the drum and / or the clothing element is output, in particular as a function of the production quantity.
  • the clothing of the drum and the clothing element are subject to wear in the course of production. This wear can occur unevenly. In addition, he can increase the carding gap width impermissibly. In addition, the clothing becomes blunt in the course of production and therefore has to be reworked.
  • the point in time can be determined in advance when leveling and / or grinding of the clothing will be necessary. This can in turn be determined either by means of an algorithm or a predefined, stored table, preferably by the controller. Based on this set point in time, the operator knows when leveling and / or grinding of the clothing will be necessary and can accordingly plan his work better.
  • the control in particular a machine control arranged on the machine, carries out the calculation of the nominal carding gap width.
  • the nominal carding gap width is used to achieve an optimal carding result, preferably as a function of the raw material and / or the production quantity.
  • the nominal carding gap width ensures that the clothing will not be destroyed if the gap width were too small and the opposing clothing often or too strongly contact one another.
  • control in particular a machine control arranged on the machine, outputs the target carding gap width, the target drum speed, the target cover speed on the display device and / or the target time for equalizing and / or grinding is initiated.
  • the output of these values on the machine can preferably be based on a display. However, it is also possible to display the corresponding values using simple light signals. The operator is supported in setting up and checking the machine properly.
  • an actual carding gap width, an actual drum speed, an actual flap speed and / or a period of time up to or since the set point in time for equalization and / or grinding is output on the display device.
  • This has the advantage that it is possible for the operator to have the actual values displayed in addition to the target values. This makes setting and checking the machine much easier for the operator.
  • the target values and the actual values of the carding gap width, the drum speed, the flat speed and / or the time for equalizing and / or grinding are output in relation to one another on the display device.
  • the target values By comparing the target values with the actual values, which is preferably shown graphically on the display device, it is very easy for the operator to make adjustments and to see whether the actual setting, for example the carding gap, is acceptable with regard to carding quality or of the risk of damage. At most it can be provided that the operator confirms that the necessary adjustment work or equalization and / or grinding is or has been carried out.
  • the controller initiates an automatic adjustment of the carding gap width and / or the automatic equalization and / or grinding of the clothing of the drum and / or of the clothing element. If the card is equipped with appropriate devices, it is advantageous if the control system independently initiates the automatic adjustment of the carding gap width and / or the automatic equalization and / or grinding of the clothing. In this case, the operator no longer has to intervene himself. At most it can be provided that the operator confirms that the automatic output of the necessary processing is being carried out.
  • control system suppresses a production operation of the card if at least one of the actual values deviates from its target value by a predetermined maximum value.
  • the advantage of stopping production is that it prevents the machine from producing poor quality fiber material or even from being damaged. Only when the actual values are again in a range that can be tolerated is it possible to start up the card again. A blocking of the operation in the case of critical input values must advantageously be provided. When equipped with appropriate sensors, automatic return of values that have moved out of the target range is also conceivable.
  • a card according to the invention has a drum with a clothing and at least one clothing element arranged opposite the drum, in particular a feed roller, a doffing roller and / or a flat rod.
  • a carding gap with a carding gap width is formed between the clothing of the drum and the clothing element.
  • the card is operated with a controller and has a display and input device arranged on the card. According to the invention, the control, the display device and the input device are designed in such a way that at least one of the preceding method steps can be carried out.
  • the card is assigned an adjustment device for manual or automatic adjustment of the carding gap width.
  • the position of the clothing elements in relation to the drum, or vice versa can be changed.
  • the adjustment preferably takes place essentially in the radial direction of the drum, so that the carding gap width is changed uniformly.
  • the card is assigned a clothing grinding device.
  • the clothing grinding device is able to grind the clothing of the drum and / or the clothing elements and thus on the one hand to equalize the carding gap width and on the other hand to sharpen the clothing teeth again.
  • a card 1 is shown schematically.
  • the card 1 has a drum 2, on the circumference of which clothing elements, here a feed roller 3, flat rods 4 and a doffer roller 5 are arranged.
  • the drum 2, the feed roller 3 and the doffer roller 5 have a clothing on their circumference.
  • sets are attached to the flat bars 4 on the side facing the drum 2.
  • a carding gap 6 is provided between the clothing elements, which in this illustration is only shown between the flat bars 4 and the drum 2.
  • the width of the carding gap 6 is referred to as the carding gap width W.
  • the card 1 is assigned a controller 7 which monitors and controls the operation of the card 1.
  • the controller 7 is connected to a display device 8 and an input device 9.
  • Setpoint and actual values of the machine data can be displayed on the display device 8.
  • the input device 9 is used by an operator Input of the desired machine data.
  • the display device 8 and the input device 9 can also be integrated in one device, for example with a touchscreen.
  • a clothing grinding device 10 is also shown.
  • the clothing grinding device 10 is used to level and grind the clothing. Both the drum 2 and the feed roller 3, the flat bars 4 or the doffing roller 5 can be delivered.
  • the spacing between the clothing elements and / or the drum 2 can be changed.
  • the components to be adjusted have an adjustment device 11, as indicated by double arrows.
  • the distance between the feed roller 3, flat bars 4 and / or the doffing roller 5 and the drum 2 can be changed by the adjusting device 11.
  • a display and input device 8, 9 is shown for the input of basic values. It shows what types of raw material are available for selection. In this example, the operator can choose between cotton, polyester or any other raw material.
  • the "X" in an upper input field 12 marks that the raw material to be carded is cotton.
  • the operator has the option of entering the desired production quantity. Here it was selected in the corresponding input field 12 that the production quantity should be 60 kg / h. The drum speed and the lid speed were not selected. This is calculated by the controller 7 or selected from a corresponding table based on the input that cotton is to be carded at a production rate of 60 kg / h.
  • the operator can end the entry by pressing a confirmation key 13.
  • the display and input device 8, 9 for the input of carding gap widths W is shown.
  • the carding gap widths W are measured at three points C1, C2 and C3.
  • the controller 7 proposes a setpoint value. So the target value is on at point C1 0.275 mm, at point C2 0.200 mm and at point C3 0.175 mm. Since the drum 2 and the flat bars 4 of the card 1 are relatively wide, measurements are taken at points C1, C2 and C3 both on the left and on the right.
  • actual values have resulted which are 0.300 mm at point C1, 0.175 mm at point C2 and 0.175 mm at point C3.
  • the values are shown graphically in relation to one another. The more the actual value deviates from the target value, the further away it is from a middle position. If at least one of the actual values deviates from its target value by a predetermined maximum value, it can be provided that the control system suppresses the production operation of the card.
  • a bar for the actual value 14 is arranged in an upper tolerance field 15 in the graphic.
  • the upper tolerance field 15 means that the carding gap width W is too large. This can have a negative impact on the quality of the carding.
  • the carding gap width W is too small. Accordingly, the bar representing the actual value 14 is shown in a lower tolerance field 16. This means that there is a risk that the clothing of the flat bars 4 and the drum 2 are too close to one another and this can lead to a collision which could damage the card 1.
  • the invention is not restricted to the graph of the setpoint and actual values shown. Other graphical representations are easily possible. It is essential that, with just a few details, the controller 7 is able to set the card 1 and determine a status of the card 1 from which it can be seen whether the target values determined by the controller 7 are replaced by the corresponding actual values. Values are adhered to. The card 1 is thus able to make settings largely automatically without the operator losing control of the card 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Claims (11)

  1. Procédé permettant de faire fonctionner une carde (1) et de régler un intervalle de cardage (6) de la carde (1),
    comportant une commande (7),
    comportant un dispositif d'affichage et un dispositif d'entrée (8, 9) sur la carde (1) et
    comportant un tambour (2) comportant une garniture et
    au moins un élément de garniture disposé en regard du tambour (2), une fente de cardage (6) comportant une largeur d'intervalle de cardage (W) étant formée entre la garniture du tambour (2) et l'élément de garniture,
    présentant les étapes de procédé suivantes:
    - entrée d'une matière première prévue pour le cardage dans le dispositif d'entrée (9),
    - entrée d'une quantité de production prévue dans le dispositif d'entrée (9),
    - définition d'une largeur d'intervalle de cardage cible,
    caractérisé par les étapes de procédé suivantes:
    - émission de la largeur d'intervalle de cardage cible sur le dispositif d'affichage (8),
    - détermination et émission d'une vitesse de rotation de tambour cible et/ou d'une vitesse de recouvrement cible sur le dispositif d'affichage (8).
  2. Procédé selon la revendication 1, caractérisé en ce qu'un moment cible permettant d'égaliser et/ou de rectifier la garniture du tambour (2) et/ou de l'élément de garniture est émis, en particulier en fonction de la quantité de production.
  3. Procédé selon l'une des revendications précédentes, caractérisé en ce que la commande (7), en particulier une commande de machine disposée sur la carde (1), effectue le calcul de la largeur d'intervalle de cardage cible.
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce que la commande (7), en particulier une commande de machine disposée sur la carde (1), amène l'émission de la largeur d'intervalle de cardage cible, la vitesse de rotation de tambour cible, la vitesse de recouvrement cible sur le dispositif d'affichage (8) et/ou le moment cible permettant l'égalisation et/ou la rectification.
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'une largeur d'intervalle de cardage réelle, une vitesse de rotation de tambour réelle, une vitesse de recouvrement réelle et/ou un intervalle de temps jusqu'au ou depuis le moment cible permettant l'égalisation et/ou la rectification sont émis sur le dispositif d'affichage (8).
  6. Procédé selon l'une des revendications précédentes, caractérisé en ce que les valeurs cibles et les valeurs réelles (14) de la largeur d'intervalle de cardage (W), de la vitesse de rotation de tambour, de la vitesse de recouvrement et/ou du moment permettant l'égalisation et/ou la rectification sont émises sur le dispositif d'affichage (8), en relation les unes par rapport aux autres.
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce que la commande (7) amène un réglage automatique de la largeur d'intervalle de cardage (W) et/ou l'égalisation et/ou la rectification automatiques de la garniture du tambour (2) et/ou de l'élément de garniture.
  8. Procédé selon l'une des revendications précédentes, caractérisé en ce que la commande (7) empêche un fonctionnement de production de la carde (1) si au moins l'une des valeurs réelles s'écarte de sa valeur cible d'une valeur maximale prédéfinie.
  9. Carde
    - comportant un tambour (2) comportant une garniture et
    - comportant au moins un élément de garniture disposé en regard du tambour (2), en particulier un hérisson (3), un peigneur (5) et/ou une tige de recouvrement (4),
    - un intervalle de cardage (6) comportant une largeur d'intervalle de cardage (W) étant formé entre la garniture du tambour (2) et l'élément de garniture,
    - comportant une commande (7) et
    - comportant un dispositif d'affichage et un dispositif d'entrée (8, 9) disposés sur la carde (1),
    caractérisée en ce que la commande (7), le dispositif d'affichage et le dispositif d'entrée (8, 9) sont conçus pour exécuter les étapes de procédé d'au moins l'une des revendications précédentes.
  10. Carde selon la revendication 9, caractérisée en ce que la carde (1) est associée à un système de réglage (11) permettant de régler manuellement ou automatiquement la largeur d'intervalle de cardage (W).
  11. Carde selon la revendication 9 ou 10, caractérisée en ce que la carde (1) est associée à un appareil de rectification de garniture (10).
EP20178204.2A 2019-06-12 2020-06-04 Procédé de fonctionnement d'une carde et de réglage d'un intervalle de cardage de la carde et carde Active EP3751027B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00793/19A CH716308A1 (de) 2019-06-12 2019-06-12 Verfahren zum Betreiben einer Karde und zur Einstellung eines Kardierspaltes der Karde und Karde.

Publications (2)

Publication Number Publication Date
EP3751027A1 EP3751027A1 (fr) 2020-12-16
EP3751027B1 true EP3751027B1 (fr) 2021-12-22

Family

ID=70977778

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20178204.2A Active EP3751027B1 (fr) 2019-06-12 2020-06-04 Procédé de fonctionnement d'une carde et de réglage d'un intervalle de cardage de la carde et carde

Country Status (3)

Country Link
EP (1) EP3751027B1 (fr)
CN (1) CN112080819B (fr)
CH (1) CH716308A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4361328A1 (fr) * 2022-10-28 2024-05-01 Trützschler Group SE Procédé de fonctionnement d'une carde, carde et installation de préparation de filature

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2944428C2 (de) * 1979-11-03 1984-08-30 Trützschler GmbH & Co KG, 4050 Mönchengladbach Vorrichtung zur Produktionssteuerung und Bandregulierung einer Karde
US5930869A (en) * 1996-04-12 1999-08-03 Machinenfabrik Rieter Ag Scanning sensor for adjustment of a textile machine card clothing gap
DE19651894B4 (de) * 1996-12-13 2006-09-14 TRüTZSCHLER GMBH & CO. KG Vorrichtung an einer Karde für Textilfasern, z. B. Baumwolle, Chemiefasern o. dgl. aus mit Garnitur versehenen Deckelstäben
DE10055025B4 (de) 2000-11-07 2017-08-17 Trützschler GmbH & Co Kommanditgesellschaft Spinnereivorbereitungsanlage mit einer übergeordneten Bedien- ud Anzeigeeinrichtung
EP1215312A1 (fr) * 2000-12-18 2002-06-19 Maschinenfabrik Rieter Ag Techniques de mesure en ligne
DE102005050904B4 (de) * 2005-10-21 2019-12-12 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung an einer Spinnereivorbereitungsmaschine, insbesondere Karde, Krempel o dgl., zur Überwachung
DE102006002390B4 (de) * 2006-01-17 2021-04-15 Maschinenfabrik Rieter Ag Einstellvorrichtung für eine Textilmaterial verarbeitende Maschine
DE102006014419B4 (de) * 2006-03-27 2021-04-15 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung an einer Spinnereivorbereitungsmaschine, insbesondere Karde, Krempel o. dgl., zur Einstellung des Kardierabstandes
EP2097564B1 (fr) * 2006-11-10 2011-01-19 Maschinenfabrik Rieter Ag Machine textile et procédé de mesure sans contact
CH713459A1 (de) * 2017-02-15 2018-08-15 Rieter Ag Maschf Verfahren zum Betreiben einer Karde sowie Karde.

Also Published As

Publication number Publication date
CN112080819B (zh) 2023-07-25
CN112080819A (zh) 2020-12-15
CH716308A1 (de) 2020-12-15
EP3751027A1 (fr) 2020-12-16

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