EP3347513A1 - Métier à tisser présentant un dispositif ainsi qu'un procédé de maintien, d'amenée et d'insertion de fils de trame dans une foule - Google Patents

Métier à tisser présentant un dispositif ainsi qu'un procédé de maintien, d'amenée et d'insertion de fils de trame dans une foule

Info

Publication number
EP3347513A1
EP3347513A1 EP16758151.1A EP16758151A EP3347513A1 EP 3347513 A1 EP3347513 A1 EP 3347513A1 EP 16758151 A EP16758151 A EP 16758151A EP 3347513 A1 EP3347513 A1 EP 3347513A1
Authority
EP
European Patent Office
Prior art keywords
clamp
weft
weft thread
loom
movement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16758151.1A
Other languages
German (de)
English (en)
Other versions
EP3347513B1 (fr
Inventor
Markus Gielen
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.)
Lindauer Dornier GmbH
Original Assignee
Lindauer Dornier GmbH
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 Lindauer Dornier GmbH filed Critical Lindauer Dornier GmbH
Publication of EP3347513A1 publication Critical patent/EP3347513A1/fr
Application granted granted Critical
Publication of EP3347513B1 publication Critical patent/EP3347513B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • D03D47/34—Handling the weft between bulk storage and weft-inserting means
    • 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
    • D03D47/12—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick
    • D03D47/125—Weft holding devices
    • 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
    • D03D47/38—Weft pattern mechanisms
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/70—Devices for cutting weft threads

Definitions

  • Weaving machine with a device and method for holding, feeding and entering weft threads in a shed
  • the present invention relates to a loom with a device for holding, feeding and entering weft threads in a shed the
  • Entry side of the loom from be entered by means of a gripper in the shed formed by warp loom of the loom.
  • auxiliary edge threads - so-called catch strips - or separate thread clamps for the weft threads are used in the prior art.
  • the use of separate thread clamps instead of catch strips has the advantage that less thread waste is generated, since on the entry side of the fabric no auxiliary edge threads are present, which would have to be removed before further use of the fabric.
  • EP 902109 A1 Such a method is shown for example in EP 902109 A1.
  • This device works with piezo clamps, with the help of which weft threads are alternately positioned vertically and transferred to the gripper with a pivot drive.
  • EP 1367159 A2, EP 644286 A, DE 1937134 and DE 3524727 A1 show devices and methods for holding and feeding weft threads to the looper of a loom.
  • EP 0 240075 A2 describes a system of attaching clamps arranged side by side on the feed side of the loom. Each of these zuliant terminals is brought by means of its own drive in each case in three different positions A, B, C. These are each a standby position (A), a feed position (B) and a takeover position (C).
  • corresponding device discloses a method in which for the movement of the applied terminals from the standby position to the delivery position only the time is available between the attack of the last struck at the binding point of the loom weft thread and the beginning of the movement of the gripper for the following weft insertion is present.
  • the weaving cycle of a weaving machine is usually divided into 360 degrees. This corresponds to a revolution of a main drive shaft of the loom. If one puts usual movements of a rapier loom and a
  • the object of the present invention is to provide a weaving machine with an apparatus and a method with which more time is available for the movement of the clamps to be supplied from the standby position into the feed position and in which a crossing of weft threads on the feed side is avoided becomes.
  • the weaving machine is equipped with a device for holding and feeding weft threads to the looper of the loom. Furthermore, with a first and a second terminal, and with a first and a second drive, which are each associated with a terminal, so that the two terminals independently of each other on trajectories in a respective Zubringeposition, a
  • Transfer position and a ready position are movable.
  • the respective feed position of the clamps is located in an area between the track of the gripper and the outwardly extended stop line of the reed.
  • the stop line here is the foremost position of the reed in the warp direction of the weaving machine when striking the weft thread to the binding point of a fabric.
  • the feeder position is now chosen so that the respective weft thread in this position of the terminal between the weft supply or more
  • Guide means on the loom and the associated terminal is so, that it can be detected by the gripper during the entry movement of the gripper into the shed.
  • the Zubringeposition in the weaving machine can also be higher or lower than the career of the gripper or the stop line. The closer the respective feed position of a clamp is to the gripper, the shorter the weft thread ends which are taken along by the gripper when this weft thread is introduced onto the other fabric side.
  • the takeover position of the attaching terminals serves to allow the weft thread inserted into the shed by the gripper to be taken over again by the respectively associated clamp after transport of the weft thread in the direction of the stop line of the weaving machine or the binding point of the weave. Then the clamp with the weft thread can be returned to the ready position.
  • the respective takeover positions of the clamps are in the region of the outwardly extended stop line of the weaving machine. They are arranged so close to the stop line or the fabric edge that the acquisition of the moving from the reed in the direction of the stop line weft thread is supported by the respective terminal.
  • the clamped weft thread is kept ready by the terminal to be applied until it is again his turn, depending on the specifications of the weave pattern, to be registered in the shed.
  • the terminal to be delivered, with the weft thread clamped therein is brought into the feeding position close to the gripper of the weaving machine.
  • the respective readiness position of the terminals is in an area above the respective transfer position and above the respective transfer position. It is assumed that the weaving plane is arranged in the usual way so that the shed is formed by a substantially vertical movement of the warp threads.
  • the weaving machine according to the invention is characterized in that the
  • each clamp has a self-contained shape;
  • Each terminal is movable by means of the associated drive in three along the respective trajectory successively arranged predefined positions; these predefined positions are the feeder position, the transfer position and the ready position;
  • the respective clamp is movable from the last of these three positions - the ready shaft position - to the first of the three positions - the shuttle positions - without entering the intermediate second position - the transfer position.
  • Clamps and by appropriate arrangement on the weaving machine can then be achieved that a terminal does not come in the movement from its standby position to its feed position in the vicinity of the transfer position of the other terminal.
  • the drives are designed such that the feeder position, the transfer position and the ready position of the first terminal are in a first movement plane, while the feeder position, the transfer position and the ready position the second clamp in a second, from the first plane of motion
  • the device for holding and feeding the weft threads modular.
  • a favorable modular design results from the fact that the drive is arranged with the associated terminal each on a separate housing or a support plate. This ensures that similar modules of drive, housing and terminal can be arranged differently on the weaving machine depending on the number and requirements.
  • Warp direction of the loom are angled at an angle which lies in a horizontal plane of the loom.
  • the modules of drive, housing and clamp are arranged on the weaving machine such that the planes of movement of the clamps are angled relative to one another at an angle which lies in a vertical plane extending in the weft direction of the weaving machine.
  • the takeover positions of the clamps with respect to the loom can all be brought to the same geometric position. This is particularly advantageous because the same geometric conditions are present with each acquisition of a previously entered weft thread.
  • This setting means may be, for example, a programmable controller for the drives of the terminals, the setting or programming via an input menu on the control panel of the loom.
  • the weaving machine to those skilled in principle known means for cutting the registered weft thread.
  • a weft scissors in the region between the entry-side fabric edge and the transfer position of the terminals is usually
  • the existing terminals and their drives are preferably constructed identically, so that they can be arranged modularly on the loom.
  • a module for holding and feeding a weft thread to the gripper of a loom comprises a housing or a carrier plate, as well as a Clamp for the weft.
  • a drive is provided, with which the clamp along a trajectory in different positions is movable.
  • the module is characterized in that the drive includes a linkage, which is designed such that the path of movement of the clamp has a self-contained form. This shape is, for example, circular or elliptical.
  • this feature provides an advantage because a clamp can move along its trajectory from the standby position to the feed position along a portion of the trajectory that does not contain the takeover position. With a corresponding arrangement of several such modules on the weaving machine, therefore, each of the clamps moves on its way from the standby position to the feeding position on one
  • An embodiment of the module according to the invention comprises a drive with a motor and a linkage with a crank, which is driven by the motor. Furthermore, a push rod is provided, which is connected to the crank and which is displaceably mounted in a sliding joint. The sliding joint is mounted with respect to the housing of the module in a pivot point. Finally, there is a clip for the weft, the clip being most suitably attached to the tip of the push rod.
  • other types of drives or gears are possible with which the described closed shape of the trajectory of a moving terminal can be achieved. It is conceivable, for example, to move the housing and the push rod with independently operating linear motors.
  • the trajectory of a clamp runs in one plane.
  • the motor of the joint gear can be, for example, a stepper motor whose movement start and movement speed via appropriate
  • Control units is freely programmable or adjustable. Moving the clamp one by one to the predefined positions along its associated
  • Trajectory is carried out in the present embodiment with the same direction of rotation of the motor.
  • the direction of rotation of the motor can also be reversed so that, for example, a clamp is moved directly from the takeover position back into the feed position.
  • the clamps are most conveniently located at the tip of a needle-like push rod, part of that already described above
  • the clamps can be designed, for example, as spring clip terminals, in which the respective weft thread is clamped or pulled out with the spring-loaded clamp closed.
  • the use of actively controllable terminals is particularly advantageous.
  • the module described within the push rod on a pneumatic cylinder with a pneumatic piston.
  • a piston rod is provided, which is connected to the pneumatic piston.
  • the clamp of the module is connected to the piston rod in such a way that Actuation of the pneumatic cylinder, the terminal can be opened or closed.
  • the entry of the weft threads takes place from an entry side of the weaving machine.
  • the weft threads are preferably entered alternately in different successive weaving cycles.
  • the method is also applicable to applications with more than two weft threads, which are then held by a correspondingly larger number of terminals and spent the drool.
  • the terminals are independently connected to each other
  • Trajectories moved in three different positions namely in each case a feeder position, a takeover position and a
  • a weft scissors is usually arranged in the region between the entry-side fabric edge and the transfer position of the terminals.
  • a weaving cycle of the weaving machine takes place over 360 degrees rotation angle of a drive shaft of the weaving machine.
  • Successive web cycles contain the following method steps in carrying out the method according to the invention: Moving the first clamp with an end of a first weft thread clamped therein from a ready position of the first clamp to a delivery position of the first clamp;
  • the drives of the terminals are designed in such a manner and arranged on the loom that the
  • Trajectory of each terminal has a self-contained shape and that each terminal by means of the associated drive in three along the respective Trajectory successively arranged positions is moved, namely the feeder position, the transfer position and the ready position.
  • each of the clamps is moved on its trajectory from the respective standby position to the feeder positions, without thereby reaching the intermediate takeover position.
  • the start of movement of the movement of at least one of the two clamps is from its standby position into its feed position in FIG.
  • Stop movement of the reed extends to the stop of the previously entered weft thread to the stop line of the loom.
  • the timing described is made possible by the independent drives of the terminals. These are controlled in such a way that the clamp with the weft thread to be entered next does not wait with its movement towards the gripper until the striking, taking over and cutting of the last weft thread entered has taken place. Rather, the movement of the clamp begins with the next to be entered weft earlier in the weaving cycle than was possible in the prior art. As a result of this earlier start of movement, the movement of the clamp from the ready position to the infeed position has a longer period in time
  • the weft threads kept ready usually extend starting from the standby positions of the clamps in the direction of the outside of the weaving machine
  • the weft yarns kept ready in the direction of the weft supply usually run through a series of yarn guides or yarn loops, which are also arranged offset behind the gripper in the weft direction side by side.
  • Said thread guides or eyelets may be part of a device known in the art weaving machines whose function is usually to select depending on the weave pattern currently weft to be inserted and to move this weft in the trajectory of the gripper that this Capture weft thread and enter into the shed. This is usually done by a substantially vertical movement of said eyelets from a position above and - in
  • the so-called first clamp in the context of the invention is that clamp which is arranged closer to the center of the weaving machine or also closer to the entry-side fabric edge than the second clamp.
  • the ready positions of the terminals are thus arranged offset to one another in the weft direction. This also applies mutatis mutandis when using more than two weft threads with more than two terminals.
  • the weft thread to be introduced in the next weaving cycle is a so-called first weft thread in the context of the invention. That is the one weft thread that from a designated here as the first terminal terminal of the respective
  • the weft thread to be introduced in the next weaving cycle is a so-called second weft thread in the context of the invention. That is, a weft thread, which from a designated here as a second terminal terminal of the respective
  • Zubringeposition in the weaving cycle of the loom is now set or programmed so that a crossing of the clamped from the respective weft weft with the immediately previously registered other weft during transport of this weft thread through the reed to
  • the geometric conditions on the weaving machine and the type of movement of the reed can be very different. These parameters determine the start of movement of the terminals.
  • the method according to the invention is carried out in case A), the start of movement of the first Clamp from its standby position to its weaving position in the weaving cycle in a range between 20 degrees to 0 degrees before the abutment of the immediately preceding first weft at the binding point of the fabric or at the stop line of the loom.
  • Standby position in its Zubringeposition in the weaving cycle in a range of 60 to 20 degrees before the stop of the last registered first weft thread. Due to the different distances between standby position,
  • Feeding position and takeover position result in the implementation of the method under certain circumstances different thread lengths in the course of the weft thread from the respective terminal on the eyelets of the color selector to the weft supply.
  • FIG. 1 Schematic partial view of the entry side of a weaving machine with
  • FIG. 2 view of the loom according to Figure 1, but with a view from above, section A-A;
  • FIG. 3 shows a loom according to FIG. 1, but viewed in the weft direction, section B-B;
  • FIG. 4 Enlarged view of the weaving machine according to FIG. 2, but with different positions of the clamps and the gripper;
  • FIG. 5 Schematic view of a module for holding and feeding of
  • FIG. 6 Schematic view of the module according to FIG. 5
  • Figures 1 - 3 show schematic partial views of the entry side of a loom.
  • weft threads - in the present example two weft threads 1, 2 - are deducted from different supply spools 3.
  • the weft threads 1, 2 are alternately brought into the line of movement of a gripper 6 by means of a device 4 for selecting weft threads - or weft colors - and a device 5 for holding and feeding weft threads and inserted by the latter into a shed 7.
  • the shed 7 is formed in a known manner by warp threads 8. After the weft insertion of the registered weft thread 2 is brought from a reed 9 to the stop line 10 of the loom or to the binding point of the fabric 13.
  • the weft thread 2 reaches into the region of a clamp 12, which receives it in a takeover position 20. Subsequently, the weft 2 between the clamp 12 and the fabric edge 14 cut by means of a cutting device 15. This creates two sections of the
  • the one section remains in the fabric 13 and is transported with this in the direction of a - not shown - puller.
  • the clamp 12 is brought to the other section or the thread end of the weft thread 2 in a - not shown in Figures 1 -3 - ready position 21 above the transfer position 20.
  • the yarn end of this weft yarn 2 is brought by means of the clamp 12 in a Zubringeposition 19 near the gripper 6.
  • FIGS 1-3 show the situation in which the thread end of a first
  • Weft 1 is held by a first terminal 1 1 above the weaving plane in a first ready position 18.
  • the first clamp 1 1 is arranged at the tip of a first push rod 23 which is mounted in a first housing 24 and connected within the first housing 24 with a first drive 25, which will be explained later.
  • the first weft thread 1 runs on its way from the weft supply 3 - e.g. from a yarn package and possibly even by a Vorspul réelle - via the eyelet 22 of a color selector 4 to the first terminal 1 1.
  • the second weft thread 2 is located in the representation according to the
  • a second terminal 12 In the region of the extension of the stop line 10 is a second terminal 12 in its transfer position 20.
  • the second terminal 12 is arranged at the tip of a second push rod 27 which is mounted in a second housing 28 and is connected within the second housing 28 to a second drive 29.
  • the two housings 24, 28 with the drives 25, 29 for the terminals 1 1, 12 are formed in principle similar and arranged in the present case mirror images and offset from each other.
  • the second weft thread 2 dives under the first weft thread 1 held in the first clamp 11.
  • the crossing of the two weft threads 1, 2 shown in FIG. 2 is suspended from this moment on.
  • the troubled second weft thread 2 is introduced at the stop in the second terminal 12.
  • the terminal 12 is pneumatically opened for this purpose. How the control of the terminals 1 1, 12 is carried out, will be described below ( Figure 12).
  • the second weft thread 2 After the second weft thread 2 has been detected by the second clamp 12, it is closed. Subsequently, the second weft thread 2 is cut between the second clamp 12 and the entry-side fabric edge 14 by a cutting device 15 designed as a weft scissors.
  • the first terminal 1 1 moves with the first weft thread 1 from its standby position 18 in the Zubringeposition 16. At the same time moves the associated eyelet 22 of the color selector 4 down.
  • the gripper 6 begins its movement in the direction of the shed 7 and thereby detects the first weft thread.
  • the first terminal 1 1 is pneumatically opened.
  • the control mechanism is similar in construction to the second clamp 12 and will be discussed below.
  • Embodiment outside of the shed 7 is guided by a mounted on the loom guide rail 30.
  • the gripper 6 is at a
  • Gripper bar 32 attached, over which the gripper 6 is advanced into the shed 7 and withdrawn.
  • the gripper 6 is driven by a gripper bar 32 or a gripper belt, other forms of
  • Grippers and guide rails 30 are used.
  • the gripper 6 grasps the weft thread 1 presented transversely.
  • the gripper 6 is equipped with clamping elements 31, which are actively actuated by controls, not shown.
  • the gripper 6 as a clamping element 31 and a spring-loaded gripper clamp only possible that does not need to be actively opened to accommodate the thread can.
  • Such gripper clamps are known in the art. Also known are the elements that serve the gripper 6 in each
  • the rigid gripper bar 32 is used - but it can also be a flexible band used.
  • the gripper bar 32 or a corresponding rapier band are reversibly driven by a transmission - such transmissions are known in the art and are therefore not further illustrated.
  • FIGS. 5-7 schematically show details of a module 33 for holding and feeding a first weft thread 1 to the gripper 6 of FIG.
  • Figures 5 -7 differ in each case by the position of the clamp 1 1, which holds the weft thread 1 and the gripper 6 brings.
  • individual modules 33, 34 for holding and feeding each of a weft yarn 1, 2 are basically the same structure, but in this case in pairs mirror images offset at the
  • a terminal 1 1 at the lower end of a vertically displaceable push rod 23.
  • This push rod 23 is part of a drive 25, which brings the clamp 1 1 on a movement path 35 in different positions 16, 17, 18.
  • the drive 25 is in the present case designed in the manner of a sliding-crank mechanism. Some parts of the drive 25 are housed in a housing 24.
  • the drive 25 includes a rotatably mounted in the housing 24 sliding joint 37, a crank 38 and a push rod 23 which is rotatably mounted or displaceable on the crank 38 and the sliding joint 37.
  • the push rod 23 which carries the terminal 1 1, displaceable.
  • the sliding joint 37 is about a pivot point
  • the module 33 for holding and feeding the first weft thread 1 is connected to an electronic control unit 44 for the drive 25 of the terminal 1 1 and for controlling the pneumatics for opening the terminal 1 1 in connection.
  • This electronic control unit 44 for the terminal 1 1 is connected to a not shown control of the loom and with a compressed air source outside the
  • This data also includes, for example, information about the instantaneous position of the various moving elements in the weaving cycle as well as the speed of the weaving machine.
  • Weaving machine are also facilities for setting or programming the control unit 44 for the terminal 1 1 available. These devices are also a determination of the start of movement of the terminal 1 1 from one of its predefined positions 17 - 19 in another predefined position 17 - 19. Furthermore, with these means for adjusting the terminals 1 1 and the times for opening and closing the terminal 1 1 can be specified in the weaving cycle. The direction of rotation of the drive 25 and the direction of movement of the terminal 1 1 on its trajectory 35 can be determined via the control unit 44 and the means for setting or programming the terminal 1 1.
  • the motor 43 which drives the weft holding and feeding module 33, is mounted outside the housing 24 and is connected to the crank 38 inside the housing 24 via a shaft, not shown.
  • terminal 1 1 Details of the terminal 1 1 are shown in the figure 12, which will be explained below. This description applies mutatis mutandis to a similar module with the second terminal 12th
  • the movement path 35 is therefore similar in the present embodiment, a planar ellipse with the longer axis in the vertical direction.
  • FIG. 8 shows the arrangement of the present elliptical trajectories 35, 36 for a device 5 with two modules 33, 34 for driving two clamps 1 1, 12.
  • two modules 33, 34 for holding and feeding a weft thread fan-shaped inclined to each other.
  • the planes of motion are angled with respect to one another at an angle which lies in a vertical plane running in the weft direction of the weaving machine.
  • FIGs 8 and 9 also show that the modules 33, 34 for holding and
  • Feeding a weft thread are arranged so that the planes of movement of the two clamps 1 1, 12 are angled with respect to the warp direction of the loom by an angle which lies in a horizontal plane of the loom. This results in that the feeder positions 16 of the clamps 1 1, 12 have a greater distance from the fabric edge 14 than the transfer positions 17, 20.
  • Figures 1, 2, 3 and 4 show the situation in the event that the weft thread to be introduced in the next weaving cycle is a first weft thread 1, so-called in the context of the invention (see case A above). That is, next, the first weft thread 1 is brought from the first terminal 11 from the standby position 18 to the feeder position 16.
  • first terminal or “second terminal” is defined by the fact that the ready position 18 of the first terminal 1 1 arranged closer to the entry side fabric edge 14th the standby position 21 of the second terminal 12.
  • the standby positions 18, 21 of the terminals 1 1, 12 are thus arranged offset to one another in the weft direction.
  • the assignment of the weft threads 1, 2 to the eyelets or thread guides 22 of the color selector 4 is analogous to the assignment of the weft threads 1, 2 to the terminals. That is, the eyelet or thread guide 22 for the second weft thread 2 has a greater distance from the fabric edge 14 than the eyelet 22 for the first weft thread.
  • the movements of the terminals 1 1, 12 are now controlled in the weaving cycle so that the above-described, kinematically induced thread crossings of the weft threads 1, 2 can not lead to a disturbance in the weaving process.
  • the start of movement of the first terminal 1 1 is set or programmed from its standby position 18 in its Zubringeposition 16 in the weaving cycle of the loom that the Beginning of movement takes place about 10 degrees before the stop of the immediately previously entered second weft yarn 2 to the binding point.
  • Weft is a so-called second weft thread 2 in the context of the invention. That is, it is about the entry of a weft thread 2, which is brought from its standby position 21 in the Zubringeposition 19 and there detected by the gripper of a here designated as a second terminal 12 terminal, while the previously registered first weft thread 1 from the reed 9 to the Stop line 10 is transported or struck.
  • the sequence of the method according to FIGS. 10 and 11 (case B) is designed such that the movement of the second clamp 12 from the ready position 21 into the feed position 19 begins earlier in the phase of the weaving cycle, during which the previously entered first weft thread 1 is still moved by the reed 9 toward the binding point.
  • the sequence is set so that the second weft thread 2 only intersects the course of the first weft thread 1 entered immediately after this first weft thread 1 during transport through the reed 9 in the direction of the stop line 10 above that in the second terminal 12th clamped second weft thread 2 has been moved away (see Figures 10 and 1 1).
  • the figure 12 shows in enlarged views details of the first terminal 1 1, and the push rod 23 with sliding joint 37 and pneumatic cylinder 41. This illustration applies mutatis mutandis to the second terminal 12th
  • the push rod 23 is slidably mounted in the sliding joint 37 in the longitudinal direction.
  • the sliding joint 37 has a pivot point 39 over which it is in the longitudinal direction.
  • Housing 24 is rotatably mounted.
  • the push rod 23 contains inside a pneumatic cylinder 41 which is acted upon by compressed air 40 on the upper side.
  • the piston 45 is pressed together with the piston rod 46 and the clamp attached thereto 1 1 down.
  • the terminal 1 1 at the top of the push rod 23 is opened (terminal 1 1 ').
  • the piston 45 is pushed together with the piston rod 46 upwards by the force of a spring 47 - the terminal 1 1 is closed.
  • the compressed air 40 is passed through an opening 48 in the push rod 23 in the pneumatic cylinder 41.
  • the opening 48 has the shape of a slot which is positioned so that the clamp 1 1 in the feed position 16 and in the transfer position 17 can be pneumatically opened and closed.

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

Abstract

Dispositif et procédé de maintien et d'amenée de fils de trame (1, 2) jusqu'à la lance (6) d'un métier à tisser, comprenant des mécanismes d'entraînement (25, 26) qui déplacent les pinces (11,12) pour les fils de trame (1, 2) le long de trajets de déplacement (35, 36), entre une position d'amenée (16, 19), une position de transfert (17, 20) et une position d'attente (18, 21) respectivement. Le trajet de déplacement (35, 36) de chaque pince décrit une figure fermée. Le début du déplacement d'au moins une pince (11, 12) de sa position d'attente (18, 21) à sa position d'amenée (16, 19) se déroule dans l'intervalle de temps compris entre le début du mouvement de battage du peigne (9) et le battage du fil de trame (1, 2) inséré précédemment contre la ligne de battage (10) du métier à tisser.
EP16758151.1A 2015-09-10 2016-08-29 Module et métier à tisser présentant un dispositif ainsi qu'un procédé de maintien, d'amenée et d'insertion de fils de trame dans une foule Active EP3347513B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015217356.9A DE102015217356B3 (de) 2015-09-10 2015-09-10 Webmaschine mit einer Vorrichtung sowie Verfahren zum Halten, Zubringen und Eintragen von Schussfäden in ein Webfach
PCT/EP2016/070280 WO2017042039A1 (fr) 2015-09-10 2016-08-29 Métier à tisser présentant un dispositif ainsi qu'un procédé de maintien, d'amenée et d'insertion de fils de trame dans une foule

Publications (2)

Publication Number Publication Date
EP3347513A1 true EP3347513A1 (fr) 2018-07-18
EP3347513B1 EP3347513B1 (fr) 2019-08-14

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EP16758151.1A Active EP3347513B1 (fr) 2015-09-10 2016-08-29 Module et métier à tisser présentant un dispositif ainsi qu'un procédé de maintien, d'amenée et d'insertion de fils de trame dans une foule

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US (1) US10472745B2 (fr)
EP (1) EP3347513B1 (fr)
JP (1) JP6682622B2 (fr)
KR (1) KR20180048693A (fr)
CN (1) CN108350626B (fr)
AU (1) AU2016318569A1 (fr)
CA (1) CA2996462A1 (fr)
DE (1) DE102015217356B3 (fr)
RU (1) RU2018112569A (fr)
TW (1) TW201723254A (fr)
WO (1) WO2017042039A1 (fr)

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WO2019102294A1 (fr) * 2017-11-22 2019-05-31 Kurkute Sanjay Dispositif de présentation de trame rotatif à aiguille unique
IT201800003084A1 (it) * 2018-02-27 2019-08-27 Itema Spa Dispositivo di taglio dei fili di trama in un telaio tessile a pinze senza formazione di falsa cimossa
DE102018211537A1 (de) 2018-07-11 2020-01-16 Lindauer Dornier Gesellschaft Mit Beschränkter Haftung Verfahren zum Schussfadeneintrag an einer Webmaschine und Webmaschine
CN110004571B (zh) * 2019-04-12 2022-01-07 江门市泰林精密机械有限公司 一种自动化网面接缝机
IT201900014982A1 (it) * 2019-08-23 2021-02-23 Santex Rimar Group S R L Dispositivo per il risparmio della trama in macchine per tessere
IT201900020715A1 (it) * 2019-11-11 2021-05-11 Nir Srl Scatola da parete per impianti elettrici e relativo metodo di installazione
WO2021132737A1 (fr) * 2019-12-23 2021-07-01 코오롱플라스틱 주식회사 Procédé de production d'une feuille tissée composite thermoplastique, appareil de production l'utilisant et feuille tissée ainsi produite
EP3859066B1 (fr) * 2020-02-03 2024-01-24 STÄUBLI BAYREUTH GmbH Procédé de tissage et sélecteur de trame pour la mise en oeuvre d'un tel procédé

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Publication number Publication date
KR20180048693A (ko) 2018-05-10
US10472745B2 (en) 2019-11-12
JP6682622B2 (ja) 2020-04-15
CN108350626B (zh) 2020-06-05
CA2996462A1 (fr) 2017-03-16
JP2018530681A (ja) 2018-10-18
US20180291538A1 (en) 2018-10-11
EP3347513B1 (fr) 2019-08-14
AU2016318569A1 (en) 2018-03-15
RU2018112569A (ru) 2019-10-10
WO2017042039A1 (fr) 2017-03-16
CN108350626A (zh) 2018-07-31
DE102015217356B3 (de) 2016-10-20
TW201723254A (zh) 2017-07-01

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