EP3613688A1 - Métier à filer ou à embobiner et procédé de fonctionnement d'un métier à filer ou à embobiner - Google Patents

Métier à filer ou à embobiner et procédé de fonctionnement d'un métier à filer ou à embobiner Download PDF

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Publication number
EP3613688A1
EP3613688A1 EP19190963.9A EP19190963A EP3613688A1 EP 3613688 A1 EP3613688 A1 EP 3613688A1 EP 19190963 A EP19190963 A EP 19190963A EP 3613688 A1 EP3613688 A1 EP 3613688A1
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EP
European Patent Office
Prior art keywords
valve
pressure
spinning
working pressure
winding machine
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Withdrawn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
EP19190963.9A
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German (de)
English (en)
Inventor
Robert Hagl
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
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Filing date
Publication date
Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP3613688A1 publication Critical patent/EP3613688A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/40—Arrangements for rotating packages
    • B65H54/52—Drive contact pressure control, e.g. pressing arrangements
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D41/00—Looms not otherwise provided for, e.g. for weaving chenille yarn; Details peculiar to these looms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0813—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for supplying liquid or other fluent material to the roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/086—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line a pool of coating material being formed between a roller, e.g. a dosing roller and an element cooperating therewith
    • B05C1/0865—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line a pool of coating material being formed between a roller, e.g. a dosing roller and an element cooperating therewith the cooperating element being a roller, e.g. a coating roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1042—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material provided with means for heating or cooling the liquid or other fluent material in the supplying means upstream of the applying apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/70—Other constructional features of yarn-winding machines
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
    • D01H9/18—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for supplying bobbins, cores, receptacles, or completed packages to, or transporting from, paying-out or take-up stations ; Arrangements to prevent unwinding of roving from roving bobbins
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
    • D03D51/02—General arrangements of driving mechanism
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
    • D03J1/00—Auxiliary apparatus combined with or associated with looms
    • D03J1/06—Auxiliary apparatus combined with or associated with looms for treating fabric
    • 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
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/212—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/25—Pressure control functions
    • F15B2211/253—Pressure margin control, e.g. pump pressure in relation to load pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/665—Methods of control using electronic components
    • F15B2211/6653—Pressure control

Definitions

  • the present invention relates to a spinning or winding machine with at least one pneumatic device comprising a supply line for a first pressure, a control line for a working pressure, a valve system, a pressure gauge and a data processing unit, the control line being connected to the pressure gauge in such a way that the working pressure is recorded by the manometer.
  • the invention relates to a method for operating a spinning or winding machine, wherein a working pressure is regulated in a control line of a pneumatic device of the spinning or winding machine, the working pressure being recorded by a manometer and compared by a data processing unit with at least one preset value.
  • Spinning machines for processing slivers into threads are generally known.
  • the methods by which these machines work include ring, rotor or air spinning. Regardless of the spinning process, the spinning machines generally include a winding unit in which the yarn produced is wound on bobbins.
  • winding machines are known which, for example, wind a thread from one spool to another.
  • Winding machines and winding units of spinning machines often have pneumatic components, such as those in the DE 100 62 937 B4 described coil loading device.
  • a drive roller is pressed pneumatically, for example by a pneumatic cylinder, onto a spool with variable contact pressure.
  • modern spinning or winding machines have a large number of workplaces, some of which work independently of one another. The pressure control of the pneumatic components often takes place centrally, which means an adjustment difficult to individual working conditions at the workplaces or in different areas of the spinning or winding machines.
  • the object of the present invention is therefore to improve the pressure control in spinning or winding machines.
  • the spinning or winding machine comprises at least one pneumatic device, the pneumatic device having a feed line for a first pressure, a control line for a working pressure, a valve system, a pressure gauge and a data processing unit.
  • the control line is connected to the manometer in such a way that the working pressure is recorded by the manometer.
  • the valve system have a first valve connected to the supply line or a first way of a directional valve for supplying a pressure medium into the control line and a second valve connected to a surrounding atmosphere or a second way of a directional valve for releasing the pressure medium from the Control line includes.
  • the data processing unit which is connected to the pressure gauge and the valve system, is designed to open the first valve or the first way and to close the second valve or the second way if the working pressure is less than a first preset value.
  • the data processing unit is designed to open the second valve or the second path and to close the first valve or the first path if the working pressure is greater than the first target value or a second target value, the first pressure being greater than the working pressure.
  • the pneumatic device described can be made very compact. This makes it possible to spin or at different points Provision of pressure regulators in winding machines. It is conceivable, for example, to regulate the working pressure independently on each machine side, section or work station. In addition, the pneumatic device has a small number of components, which reduces the susceptibility to faults and increases the ease of maintenance. Cost-saving, direct-controlled or pilot-operated pressure control valves, as are otherwise used for pressure control, can be saved in this way.
  • Air is a suitable pressure medium, and if it is obtained from the environment, it must be cleaned.
  • a compressor for example, is suitable for generating the first pressure.
  • a pressure medium pre-compressed away from the spinning or winding machine from a pressure container for example a gas bottle, is also conceivable.
  • the working pressure regulated by the pneumatic device can be used, for example, to operate a pneumatic cylinder.
  • the regulation of the pressure in a blower is also conceivable.
  • the data processing unit can be, for example, an integrated circuit.
  • more complex data processing units for example in the form of a computer, are also conceivable.
  • valves described and the directional valve described can in particular be electrically operated valves, the data processing unit in particular being designed to generate an electrical control signal for actuating the valves.
  • the pressure gauge is in particular designed to transmit the detected pressure to the data processing unit in the form of a proportional voltage signal.
  • the data processing unit is also designed to close the first valve or the first path and that close the second valve or the second way if the working pressure is equal to the first preset value or the working pressure is between the first and the second preset value. It is usually desirable to set a certain pressure range for the working pressure. Otherwise a static state would never occur and the control would either increase or decrease the pressure at any time, which would lead to a high load on the components and a high energy consumption. Pneumatically driven components also usually have a certain pressure tolerance. To set the two default values, it is conceivable to provide the desired working pressure with a certain tolerance range, from which the two default values result from addition and subtraction.
  • the supply line is connected to a compressed air source.
  • the compressed air source can be, for example, a compressor or a gas bottle, which generate a constant pressure in the supply line. Air is particularly suitable as a pressure medium due to the low costs, the harmlessness and the almost unlimited availability.
  • a central compressed air source For the supply lines of several pneumatic devices of a spinning or winding machine, it is conceivable to provide a central compressed air source.
  • Several compressed air sources can also be provided, for example one for each section of the spinning or winding machine.
  • the data processing unit is connected to a central machine control in terms of tax.
  • This allows the pressure control to be controlled centrally and in particular to be matched to other control and / or measurement parameters of the spinning or winding machine.
  • fully automated pressure control is conceivable as part of a semi or fully automatic operation of the machine.
  • valve system and the manometer are arranged on a common circuit board. This reduces the space requirement of the pneumatic device. In addition, there is no need for extensive component wiring. For example, a common power supply for the components can be provided. Of course, it is also conceivable to also arrange the data processing unit on the circuit board.
  • the valve system, manometer and data processing unit can be designed as SMD components ("surface mounted device"), which makes the arrangement on a circuit board particularly simple.
  • the first and the second way advantageously run within a directional valve or within different directional valves. If both paths run in one valve, the complexity of one valve increases, but a second valve can be dispensed with. If the paths run in different valves, the smallest possible interchangeable unit may be cheaper in the event of maintenance.
  • a 3/3 way valve is required as a minimum requirement. At least two 2/2 way valves are required for both ways in different valves. It is of course conceivable to use directional valves with more connections and / or ways. In particular, only one valve is used 5/3 way valve and two 3/2 way valves in question if several valves are used.
  • the spinning or winding machine has a plurality of workstations arranged side by side and a plurality of pneumatic devices, at least one of the plurality of pneumatic devices being arranged in each section.
  • Mass production of yarn or simultaneous winding of a large number of threads is only possible with a large number of possibly independent workplaces.
  • the workplaces are usually grouped into functional units or sections that share a common infrastructure. However, the working conditions and requirements can vary from section to section and, if applicable, also from place of work to place of work, which makes decentralized pressure control advantageous.
  • each section side is assigned one of the several pneumatic devices.
  • the work stations of the spinning or winding machine each have a pneumatic coil loading device, each with a pneumatic cylinder.
  • Spools for winding or rewinding yarn on spinning or winding machines are usually driven by drive rollers by friction.
  • the contact pressure of the spool on the drive roller or the drive roller on the spool is an important factor both for the winding process itself and for the quality of the spools produced.
  • the desired contact pressure is, for example, also dependent on the properties of the yarn to be wound up, the winding parameters and the empty tubes used.
  • the pneumatic cylinder described serves to apply the desired contact pressure to the coil and also to dampen any vibrations that may arise.
  • the circumference and the weight of the bobbin change depending on the amount of the wound yarn, so that the bobbin contact pressure can change in the course of the winding cycle.
  • the pneumatic cylinder described can at least partially compensate for these changes depending on the geometric conditions at the work site or can also cause changes in the contact pressure in the course of the winding cycle.
  • the pneumatic cylinders are each connected to one of the pneumatic devices.
  • Several of the pneumatic cylinders are preferably connected to a common pneumatic device.
  • all pneumatic cylinders of a section or a section side are connected to a common pneumatic device, so that, as described above, one pneumatic device is provided for each section side.
  • the number of pneumatic cylinders in a group can be both smaller and larger than the number of pneumatic cylinders in a section or a section side. In any case, this will affect all pneumatic cylinders receive the same conditions for a group so that, for example, different applications at the workplaces are also possible in groups.
  • the pneumatic devices enable advantageous pressure regulation, as a result of which the force of the pneumatic cylinders can be kept constant or can also be adapted in a controlled manner to the variable properties of the coils (see above).
  • a working pressure is regulated in a control line of a pneumatic device of the spinning or winding machine.
  • the working pressure is recorded by a manometer and compared with at least one preset value by a data processing device.
  • a first valve connected to a supply line for a first pressure or a first way of a directional valve for supplying a pressure medium into the control line is opened and a second valve connected to a surrounding atmosphere or a second way of a directional valve for releasing the pressure medium is closed from the control line if the working pressure is less than a first default value.
  • the second valve or the second way is opened and the first valve or the first way is closed if the working pressure is greater than the first preset value or a second preset value, the first pressure being greater than the working pressure.
  • the proposed method can be implemented on the spinning or winding machine with comparatively simple means, which enables an efficient and decentralized pressure control for operating the pneumatic elements of the spinning or winding machine.
  • the valve or valves can, for example, be actuated electrically by the data processing unit.
  • the working pressure can be corrected both downwards and upwards by the method in order to achieve the specified value, i.e. the desired working pressure.
  • first valve or the first way is closed and the second valve or the second way is closed if the working pressure is equal to the first default value or is between the first and the second default value.
  • the two default values are calculated by specifying a target pressure or desired working pressure and a tolerance range.
  • the advantageous pressure control within the scope of the method according to the invention allows precise control of the force of the pneumatic cylinder.
  • other components such as a blower, can also be operated with the working pressure of the control line.
  • a coil is mechanically loaded by the pneumatic cylinder.
  • the pneumatic cylinder can provide a contact pressure that is advantageous for the winding process and the quality of the bobbins and also dampen any vibrations that may arise.
  • the pneumatic cylinder can also be one Compensate for the change in the contact pressure resulting from the changes in the bobbin diameter and weight during the winding cycle.
  • a contact pressure which changes over the winding cycle can be generated at a constant working pressure in a manner known per se.
  • Figure 1 shows a view of a winding area of a work station 1 of a spinning or winding machine.
  • a thread 2 is wound on a bobbin 3 in this area.
  • the thread 2 can, for example, come from the spinning box of a spinning machine, where it is made from fibers.
  • the thread 2 on a winding machine can come from a payout spool.
  • the coil 3 is driven by a drive roller 4, the weight of the coil 3 acting on the drive roller 4 and thus ensuring a frictional connection.
  • the weight and the circumference of the bobbin 3 increase.
  • Vibrations can also be damped by the coil loading device 5.
  • the coil loading device 5 comprises a pneumatic cylinder 6, the piston force of which is determined by a working pressure P 2 of a pressure medium, for example air.
  • the working pressure P 2 is regulated in a pneumatic device 7, the pressure medium being fed to the pneumatic device 7 via a feed line 8 at a first pressure P 1 .
  • the pneumatic device 7 is designed such that it regulates the working pressure P 2 in a control line 9. This is described with the Figures 2 and 3 explained in more detail.
  • the control line 9 is connected to the pneumatic cylinder 6.
  • the control line 9 can be connected to further pneumatic elements, not shown, of the spinning or winding machine.
  • the pneumatic device 7 can regulate, for example, the working pressure P 2 for the operation of the pneumatic elements of a section of the spinning or winding machine.
  • the pneumatic device 7 can the working pressure Control P 2 for the operation of the pneumatic cylinders 6 of the coil loading devices 5.
  • a valve system 10 comprises a first valve 11, which is connected to a feed line 8 for a first pressure P 1 .
  • the valve system 10 includes a second valve 12 that is connected to a surrounding atmosphere. Both valves 11, 12 are also connected to the control line 9, in which the working pressure P 2 to be controlled prevails.
  • the valves 11, 12 are designed as uniform 2/2-way valves, which can either be open or closed.
  • the control line 9 is connected to a manometer 13, which detects the working pressure P 2 and forwards it as a signal to a connected data processing unit 14.
  • the data processing unit 14 is in a control connection with both valves 11, 12 and can open or close the valves 11, 12 independently of one another by control signals.
  • the data processing unit 14 compares the working pressure P 2 transferred from the manometer 13 with a first specified value, opens the first valve 11 and closes the second valve 12 if the working pressure P 2 is below the first specified value. In addition, the data processing unit 14 closes the first valve 11 and opens the second valve 12 if the working pressure P 2 is above the first preset value. Due to the device, the working pressure P 2 is in the range between the pressure of the surrounding atmosphere and the first pressure P 1 .
  • the data processing unit 14 can compare the working pressure P 2 transferred from the manometer 13 with a first and a second preset value. In this case, the data processing unit 14 opens the first valve 11 and closes the second valve 12 if the working pressure P 2 is below the first specified value. The data processing unit also closes 14 the first valve 11 and opens the second valve 12 if the working pressure P 2 is above the second specified value.
  • the data processing unit 14 can close both valves 11, 12 if the working pressure P 2 lies between the first and the second preset value, which results in a static state.
  • the two valves 11, 12 are located together with the manometer 13 on a common circuit board 15.
  • a valve system 10 comprises a directional control valve 16 which is designed as a 3/3 directional control valve 16.
  • the other characteristics correspond to those of Figure 2 ,
  • the directional control valve 16 has three possible switching positions or a first path 17 which connects the feed line 8 to the control line 9, a second path 18 which connects the control line 9 to the surrounding atmosphere and a neutral position in which all connections are separated.
  • the data processing unit 14 is also supplied with a signal from the manometer 13 which corresponds to the working pressure P 2 in the control line 9.
  • the data processing unit 14 brings the directional control valve 16 into a position in which the first path 17 is open and the second path 18 is closed if the working pressure P 2 is lower than a first specified value. If the working pressure P 2 is greater than the first preset value or a second preset value, the data processing device 14 effects a position of the directional control valve 16 in which the first route 17 is closed and the second route 18 is open.
  • the data processing unit 14 is given a printing range between a first and a second default value, it is expedient to if the data processing unit 14 brings the directional control valve 16 into the neutral position or leaves the directional control valve 16 in the neutral position, if the working pressure P 2 lies between the first and the second preset value.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
EP19190963.9A 2018-08-21 2019-08-09 Métier à filer ou à embobiner et procédé de fonctionnement d'un métier à filer ou à embobiner Withdrawn EP3613688A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018120322.5A DE102018120322A1 (de) 2018-08-21 2018-08-21 Spinn- oder Spulmaschine und Methode zum Betreiben einer Spinn- oder Spulmaschine

Publications (1)

Publication Number Publication Date
EP3613688A1 true EP3613688A1 (fr) 2020-02-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19190963.9A Withdrawn EP3613688A1 (fr) 2018-08-21 2019-08-09 Métier à filer ou à embobiner et procédé de fonctionnement d'un métier à filer ou à embobiner

Country Status (4)

Country Link
US (1) US20200063762A1 (fr)
EP (1) EP3613688A1 (fr)
CN (1) CN110846786A (fr)
DE (1) DE102018120322A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3875411A1 (fr) * 2020-03-06 2021-09-08 Maschinenfabrik Rieter AG Procédé de fonctionnement d'un métier à filer ou d'un bobinoir, ainsi que métier à filer ou bobinoir

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5415041A (en) * 1977-07-07 1979-02-03 Murata Machinery Ltd Spun yarn winder
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