EP4019678B1 - Luftdüsenwebmaschine mit schusseintragssteuergerät - Google Patents

Luftdüsenwebmaschine mit schusseintragssteuergerät Download PDF

Info

Publication number
EP4019678B1
EP4019678B1 EP21206611.2A EP21206611A EP4019678B1 EP 4019678 B1 EP4019678 B1 EP 4019678B1 EP 21206611 A EP21206611 A EP 21206611A EP 4019678 B1 EP4019678 B1 EP 4019678B1
Authority
EP
European Patent Office
Prior art keywords
weft
yarn
inlet
air
weft yarn
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
EP21206611.2A
Other languages
English (en)
French (fr)
Other versions
EP4019678A1 (de
Inventor
Daisuke Yagi
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.)
Toyota Industries Corp
Original Assignee
Toyota Industries Corp
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 Toyota Industries Corp filed Critical Toyota Industries Corp
Publication of EP4019678A1 publication Critical patent/EP4019678A1/de
Application granted granted Critical
Publication of EP4019678B1 publication Critical patent/EP4019678B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
    • D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
    • D03D47/3026—Air supply systems
    • D03D47/3033—Controlling the air supply
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
    • D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
    • D03D47/3066—Control or handling of the weft at or after arrival
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/34—Handling the weft between bulk storage and weft-inserting means
    • D03D47/36—Measuring and cutting the weft
    • D03D47/361—Drum-type weft feeding devices
    • D03D47/362—Drum-type weft feeding devices with yarn retaining devices, e.g. stopping pins
    • D03D47/363—Construction or control of the yarn retaining devices

Definitions

  • the present invention relates to an air-jet loom with a weft-insertion control apparatus, in particular, an air-jet loom with a weft-insertion control apparatus in which weft-insertion conditions are suitably controllable according to timing of a leading end of a weft yarn to arrive at an inlet of a weft yarn passage.
  • An air-jet loom weaves fabrics by injecting air from nozzles so as to pass each of weft yarns coming from a weft-yarn length-measuring and pooling device through warp yarns that are passed between a plurality of dents, in a direction perpendicularly to the warp yarns.
  • One of important points to weave fabrics of high quality in this case is to cause each of the weft yarns to arrive at a predetermined weft-insertion position at predetermined timing.
  • Air-jet looms are for example known from EP 3 144 422 A2 and US 4 989 644 A .
  • the weft-yarn length-measuring and pooling device includes a weft-yarn unwinding pin that unwinds the weft yarn pooled around a weft-yarn pooling drum, and a weft-yarn unwinding detector that detects the weft yarn unwound from the weft-yarn pooling drum and sends a weft-yarn unwinding signal.
  • Various controls for weft insertion conditions are performed according to weft-insertion start timing calculated based on the weft-yarn unwinding signal.
  • the weft-insertion start timing is timing of the weft yarn to start traveling with air injected from a main nozzle.
  • a weft-yarn controlling method using the weft-insertion start timing like the above case is disclosed in Japanese Patent Application Publication No. H05-59639 .
  • the weft-insertion start timing of the weft yarn to start traveling of the weft yarn is calculated from unwinding timing of the weft yarn to be unwound from the weft-yarn pooling drum.
  • the unwinding timing of the weft yarn and timing of the leading end of the weft yarn to arrive at an inlet of a weft yarn passage after the weft yarn starts traveling by injecting air from the main nozzle In addition, the difference in time between the unwinding timing of the weft yarn and the timing of the leading end of the weft yarn to arrive at the inlet varies. Therefore, in the method disclosed in the above Patent Application Publication, the various controls for the weft-insertion conditions are not suitably performed.
  • the present invention has been made in view of the above circumstances, and is directed to providing an air-jet loom with a weft-insertion control apparatus, wherein the air-jet loom accurately detects timing of a leading end of a weft yarn to arrive at an inlet of a weft yarn passage and suitably controls weft-insertion conditions.
  • an air-jet loom with a weft-insertion control apparatus configured to insert a weft yarn through a weft yarn passage by injecting air from a main nozzle and a sub-nozzle.
  • the weft-insertion control apparatus is configured to control weft insertion of the air-jet loom.
  • the weft-insertion control apparatus includes an inlet sensor and a control device.
  • the inlet sensor is configured to detect inlet arrival timing of a leading end of the weft yarn to arrive at an inlet of the weft yarn passage.
  • a detection range of the inlet sensor includes the inlet of the weft yarn passage.
  • the control device is configured to control a weft-insertion condition for inserting the weft yarn based on the inlet arrival timing.
  • FIG. 1 is a block diagram illustrating the weft-insertion apparatus 100 of the air-jet loom including the weft-insertion control apparatus, according to the first embodiment.
  • FIG. 2 is a perspective view illustrating a relation between a reed 150 and an inlet sensor 180 in the weft-insertion apparatus 100 of the air-jet loom according to the first embodiment.
  • FIG. 3 is a characteristic graph illustrating various timing of a weft yarn Y in the air-jet loom according to the first embodiment.
  • a side from which the weft yarn is inserted is referred to as an upstream side whereas a side to which the weft yarn is directed is referred to as a downstream side.
  • a side from which the compressed air flows is referred to as an upstream side whereas a side to which the compressed airflows is referred to as a downstream side.
  • the weft-insertion apparatus 100 illustrated in FIG. 1 mainly includes a control device 110, a main system M, a sub-system S, the reed 150, an end sensor 170, the inlet sensor 180, and a cutter 190.
  • the weft-insertion apparatus 100 illustrated in FIG. 1 includes a single main system M as an example, but may include two or more main systems M, instead.
  • the control device 110 includes a CPU 111 and a function panel 112.
  • the CPU 111 performs various control over the weft-insertion apparatus 100.
  • the function panel 112 serves as an informing device that gives various information.
  • the function panel 112 includes a display function and an input function.
  • the display function displays various information based on instructions from the CPU 111, and the input function transmits the input information to the CPU 111.
  • the control device 110 serves as a weft-insertion control apparatus together with the inlet sensor 180 that will be described later.
  • the main system M includes a yarn supply portion 120, a weft-yarn length-measuring and pooling device 130, and a weft insertion nozzle 140.
  • the yarn supply portion 120 is disposed upstream of the weft-yarn length-measuring and pooling device 130 and holds a weft yarn Y.
  • the weft yarn Y held by the yarn supply portion 120 is drawn by the weft-yarn length-measuring and pooling device 130.
  • the weft-yarn length-measuring and pooling device 130 includes a weft-yarn pooling drum 131, a weft-yarn unwinding pin 132, and a balloon sensor 133.
  • the weft-yarn pooling drum 131 draws the weft yarn Y held by the yarn supply portion 120, and winds and pools the weft yarn Y therearound.
  • the weft-yarn unwinding pin 132 and the balloon sensor 133 are disposed in the periphery of the weft-yarn pooling drum 131.
  • the balloon sensor 133 is disposed in line with the weft-yarn unwinding pin 132 on a side of the weft-yarn pooling drum 131 on which the weft yarn Y is unwound.
  • weft-yarn unwinding pin 132 unwinds the weft yarn Y pooled around the weft-yarn pooling drum 131, at a loom rotational angle that is preset in the control device 110.
  • weft-insertion start timing has been calculated based on a weft-yarn unwinding signal detected by the balloon sensor 133.
  • the weft-insertion start timing according to the first embodiment is timing of a leading end of the weft yarn Y to arrive at an inlet 153in of a weft yarn passage 153 (see FIGS. 1 and 2 ), i.e., an inlet arrival timing Tin (see FIG. 3 ). Timing of the weft yarn Y to be unwound by the weft-yarn unwinding pin 132 is controlled according to the inlet arrival timing Tin.
  • the balloon sensor 133 detects the weft yarn Y to be unwound from the weft-yarn pooling drum 131 during weft insertion and sends the weft-yarn unwinding signal to the control device 110.
  • the control device 110 receives the weft-yarn unwinding signal a predetermined number of times, the control device 110 controls the weft-yarn unwinding pin 132 so that the weft-yarn unwinding pin 132 is locked.
  • the locked weft-yarn unwinding pin 132 locks the weft yarn Y unwound from the weft-yarn pooling drum 131, which ends the weft insertion of the weft yarn Y.
  • Operation timing of the weft-yarn unwinding pin 132 to lock the weft yarn Y is set according to a number of windings of the weft yarn Y of a length corresponding to a weaving width TL to be pooled around the weft-yarn pooling drum 131.
  • the first embodiment illustrates a case where the length of the weft yarn Y wound around the weft-yarn pooling drum 131 three times corresponds to the weaving width TL.
  • the control device 110 is set to send an operational signal to lock the weft yarn Y to the weft-yarn unwinding pin 132 when the control device 110 receives the weft-yarn unwinding signals from the balloon sensor 133 three times.
  • a weft-yarn detection signal from the balloon sensor 133 corresponds to an unwinding signal to unwind the weft yarn Y from the weft-yarn pooling drum 131, which is recognized by the control device 110 as unwinding timing or releasing timing of the weft yarn based on a loom rotational angle signal obtained from an encoder.
  • the weft insertion nozzle 140 includes a tandem nozzle 141 and a main nozzle 142.
  • the tandem nozzle 141 draws the weft yarn Y from the weft-yarn pooling drum 131 by injecting the compressed air.
  • a brake 147 is disposed upstream of the tandem nozzle 141, and applies a brake on the traveling weft yarn Y before the weft insertion ends.
  • the main nozzle 142 inserts the weft yarn Y through the weft yarn passage 153 of the reed 150 by injecting the compressed air.
  • the main nozzle 142 is connected to a main valve 146 through a pipe P146.
  • the main valve 146 is connected to a main tank 144 through a pipe P144.
  • the tandem nozzle 141 is connected to a tandem valve 145 through a pipe P145.
  • the tandem valve 145 is connected to the main tank 144 through the pipe P144.
  • the main tank 144 is common to the tandem valve 145 and the main valve 146.
  • the compressed air supplied from an air compressor 10 installed at a fabric weaving factory is controlled at a set pressure by a main regulator 143 and is supplied to the main tank 144 through a pipe P143.
  • a pressure sensor 144s detects a pressure of the compressed air stored in the main tank 144, and a detection result is transmitted to the control device 110.
  • the reed 150 is disposed downstream of the weft insertion nozzle 140 of the main system M.
  • the reed 150 includes a plurality of dents 150a to 150n as illustrated in FIG. 2 .
  • the plurality of dents 150a to 150n is configured so that each of the warp yarns passes through a space between any two of the dents 150a to 150n adjacent to each other.
  • the weft yarn passage 153 is formed by recessed portions of the dents 150a to 150n at near centers of the dents 150a to 150n in an up-down direction.
  • the weft yarn passage 153 allows the weft yarn Y to travel therethrough.
  • a plurality of nozzles serving as sub-nozzles 160 (hereinafter referred to as a plurality of groups of sub-nozzles 160), the end sensor 170, and the inlet sensor 180 are disposed along the weft yarn passage 153 of the reed 150.
  • the cutter 190 is disposed near the inlet 153in of the weft yarn passage 153 of the reed 150. After the weft yarn Y is beaten, the cutter 190 cuts off the weft yarn Y to separate the weft yarn Y from the woven fabric.
  • the inlet 153in of the weft yarn passage 153 refers to a portion including and around the recessed portion formed at about a center of the dent 150a that is the closest dent to the main nozzle 142.
  • the sub-system S includes the plurality of groups of sub-nozzles 160 disposed along the weft yarn passage 153 of the reed 150 through which the weft yarn Y travels by injecting air.
  • the plurality of groups of sub-nozzles 160 is divided into, for example, six groups of sub-nozzles 160A to 160F each of which includes four sub-nozzles.
  • the plurality of groups of sub-nozzles 160A to 160F is connected to a plurality of sub-valves 165 via a plurality of groups of pipes 166, respectively.
  • the plurality of groups of pipes 166 includes six groups of pipes 166A to 166F, corresponding to the six groups of sub-nozzles 160A to 160F, respectively, and each group of pipes 166A to 166F includes four pipes.
  • the plurality of sub-valves 165 includes sub-valves 165A to 165F so as to correspond to the plurality of groups of pipes 166A to 166F, respectively, and is connected to a common sub-tank 164.
  • the sub tank 164 is connected, via a pipe 163, to a sub regulator 162.
  • the sub regulator 162 is connected, via a pipe 161, to the pipe P143 interposed between the main regulator 143 and the main tank 144. Therefore, the sub tank 164 stores the compressed air of a set pressure controlled by the sub regulator 162, via the main regulator 143.
  • a pressure sensor 164s detects a pressure of the compressed air stored in the sub tank 164, and a detection result is transmitted to the control device 110.
  • the end sensor 170 is disposed on a downstream side of the weft yarn passage 153, at a downward selvage that is located more downward than a downward end of the weaving width TL.
  • the end sensor 170 optically detects the weft yarn Y that arrives in a detection range 170d (see FIG. 2 ).
  • the end sensor 170 may include a light-emitting device, a light-receiving device, and a light-guiding device.
  • the end sensor 170 When the end sensor 170 detects the weft yarn Y, the end sensor 170 generates a weft-yarn detection signal and transmits the weft-yarn detection signal to the control device 110.
  • the weft-yarn detection signal from the end sensor 170 corresponds to an end arrival signal of the weft yarn Y, which is recognized by the control device 110 as an end arrival timing Tend (see FIG. 3 ).
  • a detection range 180d of the inlet sensor 180 includes the inlet 153in of the weft yarn passage 153 as illustrated in FIG. 2 so as to optically detect the weft yarn Y that arrives at the inlet 153in of the weft yarn passage 153.
  • the inlet sensor 180 may include a light-emitting device, a light-receiving device, and a light-guiding device.
  • the inlet sensor 180 detects the leading end of the weft yarn Y, the inlet sensor 180 generates a weft-yarn detection signal, and transmits the weft-yarn detection signal to the control device 110.
  • the weft-yarn detection signal from the inlet sensor 180 corresponds to an inlet arrival signal of the weft yarn Y, which is recognized by the control device 110 as the inlet arrival timing Tin of the leading end of the weft yarn Y.
  • a sensor disposed in a range of the weaving width may be used as the inlet sensor 180, i.e., the inlet sensor 180 may be disposed in a range of the weaving width TL.
  • the weft-insertion control apparatus of the air-jet loom includes the inlet sensor 180 configured to detect the inlet arrival timing Tin of the leading end of the weft yarn Y to arrive at the inlet 153in of the weft yarn passage 153, and the control device 110 configured to control the weft-insertion conditions for inserting the weft yarn Y based on the inlet arrival timing Tin.
  • the weft yarn Y pooled around the weft-yarn pooling drum 131 is unwound by the weft-yarn unwinding pin 132, and is drawn from the weft-yarn pooling drum 131 by injecting air from the tandem nozzle 141.
  • the weft yarn Y drawn from the weft-yarn pooling drum 131 is inserted into the weft yarn passage 153 by injecting the air from the main nozzle 142.
  • the weft yarn Y inserted in the weft yarn passage 153 travels through the weft yarn passage 153 by injecting the air from the plurality of groups of sub-nozzles 160.
  • the inlet sensor 180 optically detects the weft yarn Y that arrives at the inlet 153in of the weft yarn passage 153, and generates the weft-yarn detection signal to transmit the weft-yarn detection signal to the control device 110.
  • the control device 110 receives the weft-yarn detection signal generated by the inlet sensor 180 and recognizes the signal as the inlet arrival timing Tin that is the timing of the leading end of the weft yarn Y to arrive at the inlet 153in of the weft yarn passage 153. Then, the control device 110 controls the weft-insertion conditions for inserting the weft yarn Y based on the inlet arrival timing Tin, as described below.
  • the control device 110 controls the releasing timing of the weft-yarn unwinding pin 132 to release the weft yarn Y pooled by the weft-yarn length-measuring and pooling device 130. For example, when the inlet arrival timing Tin is earlier than a predetermined target value Tref, the control device 110 controls the weft-yarn unwinding pin 132 so that the releasing timing of the weft yarn Y is delayed.
  • the inlet arrival timing Tin is delayed to approach the target value Tref, which reduces a likelihood of a failure in the weft insertion caused by the weft yarn Y being caught by some of the warp yarns that have not been fully raised yet.
  • the weft yarn Y is suitably inserted.
  • the control device 110 controls the weft-yarn unwinding pin 132 so that the releasing timing of the weft yarn Y is advanced.
  • the inlet arrival timing Tin is advanced to approach the target value Tref, which gives sufficient time for the weft insertion performed by the weft insertion nozzle 140 and the groups of sub-nozzles 160. In this way, the weft yarn Y is suitably inserted.
  • control device 110 controls air-injection start timing of at least one of the main nozzle 142 and the plurality of groups of sub-nozzles 160.
  • the control device 110 controls the air-injection start timing of the main nozzle 142 so that the air-injection start timing is delayed.
  • the inlet arrival timing Tin is delayed to approach the target value Tref.
  • the control device 110 controls the air-injection start timing of the plurality of groups of sub-nozzles 160 so that the air-injection start timing is advanced in response to the inlet arrival timing Tin earlier than the target value Tref. This reduces a difference in timing between the timing of the leading end of the weft yarn Y to arrive at the groups of sub-nozzles 160 and the timing of the groups of sub-nozzles 160 to start injection.
  • the control device 110 controls the air-injection start timing of the main nozzle 142 so that the air-injection start timing is advanced.
  • the inlet arrival timing Tin is advanced to approach the target value Tref.
  • the control device 110 controls the air-injection start timing of the plurality of groups of sub-nozzles 160 so that the air-injection start timing is delayed in response to the inlet arrival timing Tin later than the target value Tref. This reduces a difference in timing between the timing of the leading end of the weft yarn Y to arrive at the groups of sub-nozzles 160 and the timing of the groups of sub-nozzles 160 to start injection.
  • Controlling the weft-insertion conditions as described above reduces excessive air injection, which also reduces power consumption.
  • the weft yarn Y is inserted by passing through an area of the shed of the warp yarns (not illustrated) in the weft yarn passage 153.
  • the control device 110 may detect an opening amount of the shed of the warp yarns to determine the target value Tref of the inlet arrival timing based on the detected opening amount of the shed.
  • the control device 110 determines the target value Tref of the inlet arrival timing so that a relation between the detected opening amount of the shed of the warp yarns and the inlet arrival timing of the weft yarn Y are suitably maintained.
  • control device 110 may determine the target value Tref of the inlet arrival timing of the weft yarn Y so that the opening amount of the shed of the warp yarns is aimed to a smallest possible value that allows the weft yarn Y to pass without failure, before the opening amount of the shed of the warp yarns reaches a maximum value.
  • the weft yarn Y is suitably, efficiently, and stably inserted.
  • a dedicated warp-yarn sensor may be prepared separately from the inlet sensor 180.
  • the inlet sensor 180 is capable of detecting the opening amount of the shed of the warp yarns, in addition to detecting the weft yarn Y.
  • timing of the opening amount of the shed of the warp yarns suitable for the weft insertion may be calculated.
  • the air-jet loom with the weft-insertion control apparatus is configured to insert the weft yarn Y through the weft yarn passage 153 by injecting the air from the main nozzle 142 and the groups of sub-nozzles 160.
  • the weft-insertion control apparatus is configured to control weft insertion of the air-jet loom.
  • the weft-insertion control apparatus includes the inlet sensor 180 configured to detect the inlet arrival timing of the leading end of the weft yarn Y to arrive at the inlet of the weft yarn passage 153 where the detection range 180d includes the inlet 153in of the weft yarn passage 153, and the control device 110 configured to control the weft-insertion conditions for inserting the weft yarn Y based on the inlet arrival timing Tin.
  • the inlet arrival timing Tin of the leading end of the weft yarn Y to arrive at the inlet of the weft yarn passage 153 is accurately detected and the weft-insertion conditions are suitably controlled.
  • control device 110 controls the releasing timing of the weft yarn Y pooled by the weft-yarn length-measuring and pooling device 130 to be released, as a way of controlling the weft-insertion conditions. Controlling the weft-insertion conditions as described above allows the inlet arrival timing Tin of the weft yarn Y to approach the target value Tref, by which the weft yarn Y is suitably inserted.
  • the control device 110 controls air-injection start timing of at least one of the main nozzle 142 and the groups of sub-nozzles 160, as a way of controlling the weft-insertion conditions. Controlling the weft-insertion conditions as described above allows the inlet arrival timing Tin of the weft yarn Y to approach the target value Tref, by which the weft yarn Y is suitably inserted. Controlling the weft-insertion conditions as described above allows an appropriate control of air-injection timing and reduces excessive air injection, which also reduces energy consumption.
  • the above-described weft-insertion control apparatus includes the warp-yarn sensor configured to detect the opening amount of the shed of the warp yarns at the inlet 153in of the weft yarn passage 153 where the weft yarn Y is inserted through the weft yarn passage 153 via the shed of the warp yarns.
  • the control device 110 determines the target value Tref of the inlet arrival timing based on the opening amount of the shed of the warp yarns detected by the warp-yarn sensor.
  • the control device 110 determines the target value Tref of the inlet arrival timing based on the opening amount of the shed of the warp yarns so that the relation between the opening amount of the shed of the warp yarns and the inlet arrival timing Tin of the weft yarn Y are suitably maintained.
  • the weft yarn Y is suitably, efficiently, and stably inserted. This also increases time for opening the shed of the warp yarns suitably for the weft insertion, which may improve productivity.
  • the inlet sensor 180 serves as the warp-yarn sensor, which allows the opening amount of the shed of the warp yarns to be calculated.
  • a dedicated warp-yarn sensor does not need to be prepared, by which the target value Tref of the inlet arrival timing of the weft yarn Y is determined without changing equipment such as adding a sensor.
  • an air-jet loom with a weft-insertion control apparatus 110, 180.
  • the air-jet loom is configured to insert a weft yarn (Y) through a weft yarn passage (153) by injecting air from a main nozzle (142) and a sub-nozzle (160, 160A to 160F).
  • the weft-insertion control apparatus (110, 180) is configured to control weft insertion of the air-jet loom.
  • the weft-insertion control apparatus (110, 180) includes an inlet sensor (180) configured to detect inlet arrival timing (Tin) of a leading end of the weft yarn (Y) to arrive at an inlet (153in) of the weft yarn passage (153), and a control device (110) configured to control a weft-insertion condition for inserting the weft yarn (Y) based on the inlet arrival timing (Tin).
  • a detection range (180d) of the inlet sensor (180) includes the inlet (153in) of the weft yarn passage (153).

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)

Claims (5)

  1. Luftstrahlwebmaschine mit einer Schussfadeneintragsteuerungsvorrichtung (110, 180), wobei die Luftstrahlwebmaschine konfiguriert ist, einen Schussfaden (Y) durch einen Schussfadendurchgang (153) einzubringen, indem Luft aus einer Hauptdüse (142) und einer Nebendüse (160, 160A bis 160F) eingebracht wird, wobei die Schussfadeneintragsteuerungsvorrichtung (110, 180) konfiguriert ist, einen Schussfadeneintrag der Luftstrahlwebmaschine zu steuern, dadurch gekennzeichnet, dass die Schussfadeneintragsteuerungsvorrichtung (110, 180) Folgendes aufweist:
    einen Einlasssensor (180), der konfiguriert ist, einen Einlassankunftszeitpunkt (Tin) eines Vorderendes des Schussfadens (Y), um an einem Einlass (153in) des Schussfadendurchgangs (153) anzukommen, zu erfassen, wobei ein Erfassungsbereich (180d) des Einlasssensors (180) den Einlass (153in) des Schussfadendurchgangs (153) aufweist; und
    eine Steuerungsvorrichtung (110), die konfiguriert ist, eine Schussfadeneintragsbedingung zum Einbringen des Schussfadens (Y) auf der Grundlage des Einlassankunftszeitpunkts (Tin) zu steuern.
  2. Luftstrahlwebmaschine nach Anspruch 1, dadurch gekennzeichnet, dass
    die Steuerungsvorrichtung (110) einen Freigabezeitpunkt des freizugebenden Schussfadens (Y), der durch eine Schussfadenlängenmessungs- und -vereinigungsvorrichtung (130) vereinigt wird, als eine Weise des Steuerns der Schussfadeneintragsbedingung steuert.
  3. Luftstrahlwebmaschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass
    die Steuerungsvorrichtung (110) einen Lufteintragsstartzeitpunkt von mindestens einer der Hauptdüse (142) und der Nebendüse (160, 160A bis 160F), um einen Lufteintrag zu starten, als eine Weise des Steuerns der Schussfadeneintragsbedingung steuert.
  4. Luftstrahlwebmaschine nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass
    die Schussfadeneintragsteuerungsvorrichtung (110, 180) einen Kettfadensensor aufweist, der konfiguriert ist, einen Öffnungsbetrag eines Fachs von Kettfäden an dem Einlass (153in) des Schussfadendurchgangs (153) zu erfassen, und
    die Steuerungsvorrichtung (110) einen Sollwert (Tref) des Einlassankunftszeitpunkts (Tin) auf der Grundlage des Öffnungsbetrags des Fachs der Kettfäden bestimmt, der durch den Kettfadensensor erfasst wird.
  5. Luftstrahlwebmaschine nach Anspruch 4, dadurch gekennzeichnet, dass
    der Einlasssensor (180) zudem als der Kettfadensensor dient.
EP21206611.2A 2020-12-08 2021-11-05 Luftdüsenwebmaschine mit schusseintragssteuergerät Active EP4019678B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020203436A JP7415904B2 (ja) 2020-12-08 2020-12-08 エアジェット織機の緯入れ制御装置

Publications (2)

Publication Number Publication Date
EP4019678A1 EP4019678A1 (de) 2022-06-29
EP4019678B1 true EP4019678B1 (de) 2023-08-09

Family

ID=78528800

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21206611.2A Active EP4019678B1 (de) 2020-12-08 2021-11-05 Luftdüsenwebmaschine mit schusseintragssteuergerät

Country Status (3)

Country Link
EP (1) EP4019678B1 (de)
JP (1) JP7415904B2 (de)
CN (1) CN114606627A (de)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01192850A (ja) * 1988-01-22 1989-08-02 Nissan Motor Co Ltd 無杼織機の緯入れ方法
JPH0247338A (ja) * 1988-08-06 1990-02-16 Nissan Motor Co Ltd 流体噴射式織機の緯糸処理方法
JPH02309788A (ja) 1989-05-13 1990-12-25 Samsung Electron Co Ltd カラーバーパターンの選択変換回路
JP2596231B2 (ja) * 1991-02-05 1997-04-02 株式会社豊田自動織機製作所 ジェットルームにおける緯入れ制御装置
CN1069302A (zh) * 1991-08-12 1993-02-24 日产自动车株式会社 流体喷射织机及其操作方法
JP3044897B2 (ja) * 1992-01-28 2000-05-22 株式会社豊田自動織機製作所 ジェットルームにおける緯入れ方法
DE502008002034D1 (de) * 2007-02-02 2011-02-03 Itema Switzerland Ltd Verfahren und Vorrichtung zum Eintragen eines Schussfadens in eine Webmaschine
JP6075649B2 (ja) 2014-10-29 2017-02-08 株式会社コナミデジタルエンタテインメント ゲーム装置およびコンピュータプログラム
JP6367784B2 (ja) 2015-03-27 2018-08-01 株式会社豊田自動織機 エアジェット織機の緯糸検知装置
JP6135731B2 (ja) * 2015-09-16 2017-05-31 株式会社豊田自動織機 エアジェット織機における緯糸飛走状態監視方法
JP6558348B2 (ja) * 2016-11-18 2019-08-14 株式会社豊田自動織機 エアジェット織機における緯糸飛走状態検知装置
JP6921621B2 (ja) * 2017-05-15 2021-08-18 株式会社豊田自動織機 エアジェット織機の緯糸検知装置

Also Published As

Publication number Publication date
JP2022090871A (ja) 2022-06-20
JP7415904B2 (ja) 2024-01-17
EP4019678A1 (de) 2022-06-29
CN114606627A (zh) 2022-06-10

Similar Documents

Publication Publication Date Title
EP3156529B1 (de) Luftdüsenwebmaschine mit einer schussfadeneinführungssteuerungsvorrichtung
EP3144422B1 (de) Verfahren zum überwachen der schusstransportbedingung in einer luftdüsenwebmaschine
CN104630976A (zh) 用于喷气织机的纬纱检测器
EP3404132B1 (de) Schussfadenerfassungsvorrichtung für eine luftdüsenwebmaschine
EP3323920B1 (de) Schussfadenlaufzustandserkennungsvorrichtung in einer luftdüsenwebmaschine
EP4019678B1 (de) Luftdüsenwebmaschine mit schusseintragssteuergerät
EP2733242A2 (de) Vorrichtung zur Schussfadeneintragungsbedingung in einer Luftdüsenwebmaschine
JP3170863B2 (ja) ジェットルームにおける止段防止方法
EP3348688B1 (de) Verfahren zur diagnose des schusseintrags in einer luftdüsenwebmaschine und vorrichtung zur diagnose des schusseintrags in einer luftdüsenwebmaschine
EP2765229B1 (de) Luftdüsenwebmaschine mit einer Anzeigevorrichtung
US4915142A (en) Weft insertion control system for jet loom responsive to inserted weft end behavior
JP7424234B2 (ja) エアジェット織機
EP3896203A1 (de) Verfahren zur erkennung von abnormalitäten in einer luftdüsenwebmaschine und luftdüsenwebmaschine
CN114808244B (zh) 喷气织机的引纬装置
US5322090A (en) Method and apparatus for readying a defined weft thread reserve when there is a loom stoppage
JP6447582B2 (ja) エアジェット織機における緯糸検知方法及び緯糸検知装置
EP3819413B1 (de) Luftdüsenwebmaschine
JP2906731B2 (ja) ジェットルームにおける１ショット緯入れ方法
JP3387174B2 (ja) パイル織機における緯入れミス検出方法
JP2021147715A (ja) エアジェット織機の緯糸ブレーキ制御装置
JP2611703B2 (ja) ジェットルームにおける１ショット緯入れ方法
JPH06116836A (ja) 流体噴射式織機の緯入れ制御装置

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20211105

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

RIC1 Information provided on ipc code assigned before grant

Ipc: D03D 47/30 20060101ALI20230316BHEP

Ipc: D03D 47/36 20060101AFI20230316BHEP

INTG Intention to grant announced

Effective date: 20230329

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230519

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602021004143

Country of ref document: DE

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20230809

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1597617

Country of ref document: AT

Kind code of ref document: T

Effective date: 20230809

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231110

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231209

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230809

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230809

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231211

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231109

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230809

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230809

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230809

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231209

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230809

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231110

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230809

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230809

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20231130

Year of fee payment: 3

Ref country code: DE

Payment date: 20230929

Year of fee payment: 3

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230809

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20231016

Year of fee payment: 3

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230809

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230809

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230809

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230809

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230809

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230809

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230809

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230809

REG Reference to a national code

Ref country code: DE

Ref legal event code: R026

Ref document number: 602021004143

Country of ref document: DE

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260