CN109642362A - Device and method for capturing and stretching weft - Google Patents

Device and method for capturing and stretching weft Download PDF

Info

Publication number
CN109642362A
CN109642362A CN201780053905.7A CN201780053905A CN109642362A CN 109642362 A CN109642362 A CN 109642362A CN 201780053905 A CN201780053905 A CN 201780053905A CN 109642362 A CN109642362 A CN 109642362A
Authority
CN
China
Prior art keywords
weft
suction nozzle
stretching
capturing
loom
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
CN201780053905.7A
Other languages
Chinese (zh)
Other versions
CN109642362B (en
Inventor
M.盖斯基埃
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.)
Picanol NV
Original Assignee
Picanol NV
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 Picanol NV filed Critical Picanol NV
Publication of CN109642362A publication Critical patent/CN109642362A/en
Application granted granted Critical
Publication of CN109642362B publication Critical patent/CN109642362B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/28Looms 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
    • D03D47/30Looms 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
    • D03D47/3066Control or handling of the weft at or after arrival
    • D03D47/308Stretching or holding the weft

Landscapes

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

Abstract

For capturing and stretching the device of the weft being inserted into loom shed open (3), the device includes weft stretching device (28), guide device (25) and weft holding meanss (27), the weft holding meanss include the first suction nozzle (11), it is fixedly placed on loom in the extension in insertion path, first suction nozzle (11) has the opening (23) for the fabric edge (14) for being directed toward fabric (2) and is suitable for generating the suction stream for being parallel to beat-up line (10), so that after weft (3) has been beaten, the free end of the weft (3) being maintained in the first suction nozzle (11) is at least substantially parallel to beat-up line (10) extension.A method of loom and one kind with such device (1) are for capturing and stretching weft (3).

Description

Device and method for capturing and stretching weft
Technical field
Device, a kind of loom equipped with such device, Yi Jiyi that the present invention relates to a kind of for capturing and stretching weft Method of the kind for capturing and stretching weft.
Background technique
In order to capture the front end of the weft being inserted into shed open (hereinafter also referred to as " weft of insertion ") and keep being inserted into Weft there is desired tension, it is known from the prior art to use so-called " crochet line (catching thread) ".Hook Sideline is parallel to warp traveling by shed open, and can form component formation via associated shed open and close earlier than plain shed The independent shed open closed, to carry out the weft of binding (bind) insertion at the time of appropriate and with tension appropriate.By keeping inserting The end sections of the weft entered avoid and extend beyond the weft of fabric edge after the insertion and be pulled back in fabric.
2013/117564 A2 of WO discloses a kind of for capturing and stretching the weft being inserted into loom shed open to keep away Exempt from the device of crochet line.The device includes: weft stretching device, extension of the weft stretching device in the insertion path of weft It is fixedly placed on loom in portion, the weft being captured with the front end portion and stretching of the weft for capturing insertion;Weft Holding meanss, the weft holding meanss are fixedly placed on loom in the region of beat-up line (beat-up line), with Front end portion for the weft for keeping at least one to be beaten;And removable guide device, the removable guide device It is arranged on slay to be moved together with slay, for guiding the weft being captured towards weft holding meanss.WO Weft holding meanss disclosed in 2013/117564 A2 include suction nozzle, which has the pump orifice towards reed, in the pumping Entrance slit is equipped at suction inlet.
Summary of the invention
Device, a kind of loom equipped with such device that the object of the present invention is to provide a kind of for capturing and stretching weft A kind of and method for capturing and stretching weft, wherein weft is kept with enough tension, until the free end of weft It is cut off.
The purpose be by feature with claim 1,12 and 13 for capture and stretch weft device including It the loom of such device and is solved using the method for such device.Preferred embodiment is defined in the dependent claims.
According in a first aspect, provide it is a kind of for capturing and stretching the device of the weft in the shed open for being inserted into loom, The device includes: weft stretching device, and the weft stretching device is fixedly arranged in the extension in the insertion path of weft On loom, with the front end portion of the weft for capturing insertion and the weft that is captured of stretching;Weft holding meanss, the latitude Line holding meanss are fixedly placed on loom in the region of beat-up line, with the weft for keeping at least one to be beaten Front end portion;And removable guide device, the removable guide device are arranged on slay to move together with slay, With the weft being captured for being directed towards weft holding meanss, wherein the first suction nozzle is provided as weft holding meanss, should First suction nozzle has the opening for the fabric edge for being directed toward fabric and is suitable for generating the suction stream for being parallel to beat-up line, so that in latitude After line has been beaten, the free end of the weft being maintained in the first suction nozzle is at least substantially parallel to beat-up line extension.
The opening for being arranged in the first suction nozzle in the region of beat-up line is directed toward the fabric edge of fabric.In other words, if Reed is in its most forward facing position towards beat-up line, then is open and is at least primarily directed to the guiding channel of reed.Therefore, by the first suction nozzle The weft of holding extends at least essentially linearly in the extension of beat-up line.This allows good stretching, and if necessary If, weft is advantageously handed over to folding device, cutter device and/or the crochet line reached at side for being arranged in shed open.
In a preferred embodiment, the first suction nozzle is annular spray suction nozzle.In annular spray suction nozzle, by crossing suction nozzle Import is dried to obtain suction operation.Preferably, the diameter of import is selected to make it sufficiently greatly to allow weft easily to wear Cross suction nozzle.
In embodiment, the first suction nozzle can be installed to loom in the region of beat-up line in adjustable position.Excellent It selects in embodiment, the first suction nozzle is at it perpendicular to the height and position of braided fabric and at it toward and away from the position of beat-up line In be adjustable.In this case, which can be adjusted by the operator of loom, such as depending on weft fineness degree And/or the arrangement of the bonded type of braiding and/or folding device.
In embodiment, the guide device for keeping weft the first suction nozzle of direction mobile is blowing device.In other implementations In example, reed serves as guide device.In a preferred embodiment, guide device includes hook-type induction element, such as the hook equipped with recess portion Shape induction element, the recess portion have the side wall to come closer for receiving weft.In embodiment, there is hook-type induction element Guide device further comprise adjustable stopping element for adjusting the depth of recess portion, as 2013/117564 A2(of WO its Content is incorporated herein by reference) described in.
In embodiment, weft detectors are arranged on slay, which serves as guide device, the guide device With induction element for guiding the weft being captured towards the first suction nozzle.Reed is arranged in such a case, it is possible to reduce The number for the element that will be moved on seat and during beating.However, for example, being provided additional when weaving abrasive material weft Induction element.In a preferred embodiment, which is arranged in the downstream of weft detectors along direction of insertion.
In a preferred embodiment, weft stretching device includes the second suction nozzle, especially annular spray suction nozzle, when reed is in remote When its most rearward position from beat-up line, the opening of second suction nozzle is directed toward the guiding channel of reed.In a preferred embodiment, second Suction nozzle can also be installed to loom in adjustable position.In this case, which can be adjusted by the operator of loom, Such as depending on weft fineness degree and/or the type of the bonded type of braiding and/or used guide device.
In a preferred embodiment, the first suction nozzle and the second suction nozzle are connected to control unit, wherein the second suction nozzle is single by control Member control is activated for capturing the weft of insertion and is being captured when so that second suction nozzle is in weft insertion shed open It is deactivated when weft reaches the first suction nozzle or soon later.The deactivated permission weft of second suction nozzle is inhaled from the second suction nozzle towards first Mouth shifts well.
In embodiment, the first suction nozzle is continuously activated.In a preferred embodiment, the first suction nozzle is by control unit control System, so that the first suction nozzle is activated when the weft captured by the second suction nozzle is mobile towards the first suction nozzle or shortly before.Pass through It deactivates, the air consumption of suction operation can be substantially reduced.After having been turned off and removing the front end of free end, or passing through After crochet line or clamping element or holding element keep free end, the first suction nozzle can be deactivated.
In embodiment, crochet line is arranged between fabric edge and the first suction nozzle.Crochet line can be used to keep slotting The free end of the weft entered.In a preferred embodiment, folding device is arranged between fabric edge and the first suction nozzle, for making The free end of at least one weft folds into.Folding device is also referred to as selvedge and forms device.Preferably, folding device includes at least one A blow gun, at least one described blow gun are suitable for blowing on the free end of at least one weft making the free end towards subsequent Shed open deflection.The folding device can be similar to 6,837,279 B2(of US its content and be incorporated herein by reference) described in Folding device is designed and is operated.Such folding device includes hook component or bracket, and the hook component or branch are provided with blow gun For the free end of weft to be blown into shed open.For the operation that reliably collapses, folding device is preferably with position-adjustable Mode be installed to loom.
In a preferred embodiment, cutter device is arranged between folding device and the first suction nozzle, for making free end Remainder fold into before cut off at least one weft front end.Quilt can be removed towards waste canister by means of the first suction nozzle The front end of cutting.In other embodiments, additional nozzle is provided with the front end for removing cutting.
According to second aspect, a kind of loom is provided, which includes as described above for capturing and stretching weft Device.Preferably, the first suction nozzle and the second suction nozzle are installed to loom in a manner of position-adjustable.
According to the third aspect, a kind of method for capturing and stretching the weft in the shed open for being inserted into loom is provided, This method uses a kind of device, which includes weft stretching device, and the weft stretching device is in the insertion path of weft It is fixedly placed on loom in extension, the weft being captured with the front end portion and stretching of the weft for capturing insertion; Weft holding meanss, the weft holding meanss are fixedly placed on loom in the region of beat-up line, for keeping extremely The front end portion of a few weft being beaten;And removable guide device, the removable guide device are arranged in slay On to be moved together with slay, for guiding the weft that is captured towards weft holding meanss, wherein the first suction nozzle is mentioned Weft holding meanss are provided as, which has the opening for the fabric edge for being directed toward fabric, wherein the first suction nozzle generates flat Row is in the suction stream of beat-up line, so that the free end of weft being maintained in the first suction nozzle is at least substantially parallel to beat-up line and prolongs It stretches.
In a preferred embodiment, weft stretching device further comprises the second suction nozzle, especially annular spray suction nozzle, works as reed In far from beat-up line its most rearward position when, second suction nozzle opening be directed toward reed guiding channel, wherein the second suction nozzle It is activated for capturing the weft of insertion and when the weft being captured reaches the first suction nozzle when in weft insertion shed open Or it is deactivated soon later.Preferably, the first suction nozzle when the weft that is captured is mobile towards the first suction nozzle or shortly before quilt Activation.
Detailed description of the invention
Hereinafter, the embodiment of the present invention will be described in detail with reference to the accompanying drawings.Through attached drawing, identical element will be by identical Appended drawing reference indicate.
Fig. 1 shows the device for being used to capture and stretch weft for being installed to loom with top perspective.
Fig. 2 shown along the direction of folding device from the back side of loom with perspective view the Fig. 1 for being installed to loom for catching Catch and stretch the device of weft.
Fig. 3 shown along the direction of the first suction nozzle from the back side of loom with perspective view the Fig. 1 for being installed to loom for catching Catch and stretch the device of weft, wherein slay is in most rearward position.
Fig. 4 is similar to Fig. 3 and is shown the Fig. 1 for being installed to loom from the back side of loom along the direction of the first suction nozzle with perspective view For capturing and stretching the device of weft, wherein slay is in most forward facing position.
Insertion side of the Fig. 5 after weft has been beaten and slay direction most rearward position is mobile with perspective view from loom Show the device for being used to capture and stretch weft for the Fig. 1 for being installed to loom.
Specific embodiment
Fig. 1 to Fig. 5 shows the device 1 for being used to capture and stretch weft for being installed to loom, wherein only partially shows Loom.
As it is generally known, in order to which braided fabric 2(is shown in Fig. 5), Fig. 5 is seen by selectively raising and reducing warp 4(), Weft 3 is inserted into the shed open being formed between the plane of warp 4.In air-jet loom, during insertion, weft 3 is with known Mode Fig. 2 is shown in by relay nozzle 5() support and see Fig. 2 in the guiding channel 6(of reed 7) in be guided, the guiding channel 6 determine The insertion path of the weft 3 of insertion.In an illustrated embodiment, the first weft detectors 8 are arranged in being close to for insertion path The end of reed 7, to detect the arrival of weft 3.Reed 7 and the first weft detectors 8 are installed to slay 9, and can be by means of Slay 9 for being inserted into weft most rearward position (as shown in Figure 3) and for the weft of insertion beat up most to Move back and forth between front position (as shown in Figure 4).
Device 1 for capturing and stretching the weft being inserted into shed open includes that weft stretching device 28 and weft keep dress 27 are set, the weft stretching device 28 is fixedly placed on loom in the extension in insertion path, and the weft keeps dress Set 27 and see Fig. 5 in beat-up line 10() region in be fixedly placed on loom.In an illustrated embodiment, 11 quilt of the first suction nozzle It provides and is used as weft holding meanss 27, and the second suction nozzle 12 is provided as weft stretching device 28.First suction nozzle 11 and Both two suction nozzles 12 are designed to annular spray suction nozzle, wherein the import by crossing suction nozzle is dried to obtain suction operation. The import of two suction nozzles 11,12 or 23,24 direction fabric edge 14(of opening are shown in Fig. 5), it is specifically pointing to prolonging for fabric edge 14 Extending portion.Therefore, two suction nozzles 11,12 respectively generate the suction stream for being parallel to beat-up line 10.Air for suction operation is by supplying It should the supply of pipe 13.
Along direction of insertion in the downstream of the second suction nozzle 12, the second weft detectors 15 are installed to slay 9 with slotting for detecting Enter error.
First suction nozzle 11 and the second suction nozzle 12 are not installed on slay 9.In an illustrated embodiment, the first suction nozzle 11 and Two suction nozzles 12 are fixedly placed on loom by means of supporting beam 16 and two mounting plates 17,18, and two mounting plates 17,18 are used for The first suction nozzle 11 and the second suction nozzle 12 are installed to supporting beam 16 respectively.In this embodiment, setting is provided for supporting beam 16 Component 29, the setting element 29 is for example including slot and fixing bolt, for making two suction nozzles 11,12 relative to beat-up line 10 Jointly shift.In addition, in an illustrated embodiment, the similar setting of setting element 30,31 supporting beam 16 and mounting plate 17, On 18, to allow individually to adjust position of the mounting plate 17,18 relative to supporting beam 16.In an illustrated embodiment, it installs Plate 17 can be installed to supporting beam 16 in horizontal position and in the vertical position that can be set, and mounting plate 18 can be two Supporting beam 16 is installed in a horizontal position and in the vertical position that can be set.For this purpose, being setting structure in supporting beam 16 The bolt of part 30 provides threaded hole, and row's threaded hole 32 is provided in supporting beam 16, and the bolt of setting element 31 can select It is screwed into selecting property in this row's threaded hole.It therefore, can relative to supporting beam 16 and therefore drawing relative to beat-up line 10 and reed 7 Pathway 6 adjusts the position of the first suction nozzle 11 and the position of the second suction nozzle 12.As shown in Figures 3 and 4,11 cloth of the first suction nozzle Be set to so that its opening 23 central axis when reed 7 is in its most forward facing position at least substantially with 6 weight of guiding channel of reed 7 It closes, and the second suction nozzle 12 is arranged so that the central axis of its opening 24 is at least basic when reed 7 is in its most rearward position It is overlapped with the guiding channel 6 of reed 7.Therefore, the also referred to as preceding suction nozzle of the first suction nozzle 11, and the second suction nozzle 12 is referred to as rear suction nozzle.
Device 1 shown in Fig. 1 further comprises folding device 19, which is arranged in fabric edge 14 and It is folded between one suction nozzle 11 with the free end of the weft 3 for being inserted at least one.Folding device 19 includes hook component 20, The hook component 20 is equipped with blow gun 21 for the free end of weft 3 to be blown into shed open.Folding device 19 includes at least two Mutually opposite blow gun 21, the blow gun 21 are arranged at the side towards fabric edge 14 of hook component 20.Shown in In embodiment, provides and be arranged to two pairs of four blow guns 21.The operation of blow gun 21 and arrangement are for example such as US 6,837,279 Described in B2.
Cutter device 22 is arranged between folding device 19 and the first suction nozzle 11, wherein cutter device 22 is arranged for Close to the front end of the weft 3 of the side of hook component 20 cutting insertion.
As shown in Figure 1 to Figure 3, it when reed 7 is in its most rearward position, is captured and is stretched by means of the second suction nozzle 12 and inserted The weft 3 entered, second suction nozzle 12 are arranged in the extension of guiding channel 6.Reed 7 is by means of slay 9 towards the beating of fabric 2 Line 10(is shown in Fig. 5) it is mobile to carry out beating motion.Schematically shown as shown in figure 1 by the second suction nozzle 12() capture and stretch latitude Line 3 and reed 7 and additional guide device 25 are mobile towards beat-up line 10 together.Guide device 25 is for example including hook-type induction element 26, which is equipped with recess portion, which has the side wall to come closer for receiving weft 3.Shown in In embodiment, the first weft detectors 8 being arranged on slay 9 serve as guide device 25 for guiding towards the first suction nozzle 11 The weft 3 being captured, more particularly, the first weft detectors 8 are equipped with the hook-type induction element 26 of guide device 25.The hook-type draws Guiding element 26 can be made of the sketch plate of a part as weft detectors 8, such as be designed as weft detectors 15 A part plate 33 sketch plate.According to alternate embodiment, reed 7 be may act as the first suction nozzle of direction when reed 7 is mobile The induction element of the guide device for the weft 3 that 11 guidance are captured.
As shown in Figure 4, when carrying out beating motion, weft 3 is moved in the effective range of the first suction nozzle 11 and can To be transferred to the first suction nozzle 11.Once just stopping it is preferable for this purpose that weft 3 has entered the effective range of the first suction nozzle 11 With the second suction nozzle 12.
As best shown in FIG. 5, after beating up to weft, (free end is by for the free end of the weft 3 One suction nozzle 11 is kept) it is at least substantially parallel to the extension of beat-up line 10.This allows the weft for stretching insertion well 3 and suitably grasps Make folding device 19.In order to form selvedge, the front end of the weft of insertion is cut off, and the blow gun 21 of folding device 19 is activated It is deflected with the remainder for the free end for making the weft of insertion towards shed open, wherein inserted in fabric 2 with subsequent free end The weft 3 entered jointly binding.Cutting off end can convey via the first suction nozzle 11 towards waste canister (not shown).
In preferred operation, the second suction nozzle 12 is activated for capturing the latitude of insertion when weft 3 is inserted into shed open Line, and be deactivated soon when the weft 3 that is captured reaches the effective range of the first suction nozzle 11 or later.First suction nozzle 11 exists The weft being captured is mobile towards the first suction nozzle 11 by means of reed 7 and/or weft detectors 8 and/or any other guiding elements When or be activated shortly before.By means of cutter device 22 cut off front end and towards waste canister convey cutting end it Afterwards, the first suction nozzle 11 can be deactivated.
The activation of the blow gun 21 of first suction nozzle 11, the second suction nozzle 12 and folding device 19 and deactivate can be single by means of control First (not shown) controls, which can be incorporated into the central control unit of loom.
The apparatus according to the invention and method are not limited to embodiment being illustrated by way of example and being shown in the accompanying drawings, It but can also include the modification and combination for falling into claim of these embodiments.

Claims (15)

1. the device for capturing and stretching weft (3), the weft are inserted into the shed open of loom, described device includes: latitude Line stretching device (28), the weft stretching device are fixedly placed in the extension in the insertion path of the weft (3) On the loom, with the front end portion of the weft (3) for capturing insertion and the weft (3) that is captured of stretching;Weft keeps dress It sets (27), the weft holding meanss are fixedly placed on the loom in the region of beat-up line (10), for keeping The front end portion for the weft that at least one is beaten;And removable guide device (25), the removable guide device arrangement To be moved together with the slay (9) on slay (9), for guiding the quilt towards the weft holding meanss (27) The weft (3) of capture, which is characterized in that the first suction nozzle (11) is provided as the weft holding meanss (27), and described first Suction nozzle (11), which has the opening (23) for the fabric edge (14) for being directed toward fabric (2) and is suitable for generating, is parallel to the beat-up line (10) suction stream, so that the weft (3) is maintained at first suction nozzle after the weft (3) has been beaten (11) free end in is at least substantially parallel to the beat-up line (10) extension.
2. according to claim 1 for capturing and stretching the device of weft, which is characterized in that first suction nozzle (11) It is annular spray suction nozzle.
3. according to claim 1 or 2 for capturing and stretching the device of weft, which is characterized in that first suction nozzle (11) loom is installed in adjustable position in the region of the beat-up line (10).
4. according to claim 1,2 or 3 for capturing and stretching the device of weft, which is characterized in that the guidance dress Setting (25) includes hook-type induction element (26), and for example equipped with recess portion, the recess portion has to come closer the hook-type induction element Side wall with for receiving the weft (3).
5. according to any one of claim 1 to 4 for capturing and stretching the device of weft, which is characterized in that weft Detector (8) is arranged on the slay (9), and the weft detectors serve as the guide device (25) for described in The weft (3) being captured described in first suction nozzle (11) guidance.
6. according to any one of claim 1 to 5 for capturing and stretching the device of weft, which is characterized in that described Weft stretching device (28) includes the second suction nozzle (12), especially annular spray suction nozzle, when reed (7) are in far from the beat-up line (10) when its most rearward position, the opening (24) of second suction nozzle is directed toward the guiding channel (6) of the reed (7).
7. according to claim 6 for capturing and stretching the device of weft, which is characterized in that first suction nozzle (11) Control unit is connected to second suction nozzle (12), wherein second suction nozzle (12) is controlled by described control unit, so that Second suction nozzle (12) is activated for capturing when weft (3) are inserted into the shed open weft (3) of the insertion simultaneously And it is deactivated soon when the weft (3) that is captured reaches the first suction nozzle (11) or later.
8. according to claim 7 for capturing and stretching the device of weft, which is characterized in that first suction nozzle (11) It is controlled by described control unit, so that first suction nozzle (11) is in the weft (3) captured by second suction nozzle (12) It is activated when mobile towards first suction nozzle (11) or shortly before.
9. according to any one of claim 1 to 8 for capturing and stretching the device of weft, which is characterized in that fold into Device (19) be arranged between the fabric edge (14) and first suction nozzle (11), with for make at least one weft oneself It is folded by end.
10. according to claim 9 for capturing and stretching the device of weft, which is characterized in that the folding device (19) include at least one blow gun (21), at least one described blow gun be suitable for blowing on the free end of at least one weft (3) with Just deflect the free end.
11. according to claim 9 or 10 for capturing and stretching the device of weft, which is characterized in that cutter device (22) it is arranged between the folding device (19) and first suction nozzle (11), in the remainder for making the free end Divide before folding into and cuts off the front end of at least one weft (3).
12. loom, which is characterized in that the loom include it is according to any one of claim 1 to 11 for capture and Stretch the device (1) of weft (3).
13. the method for capturing and stretching weft (3), the weft are inserted into the shed open of loom, the method uses root According to device described in any one of claims 1 to 11 (1), described device is included weft stretching device (28), and the weft is drawn It stretches device to be fixedly placed on the loom in the extension in the insertion path of the weft (3), for capturing insertion Weft (3) front end portion and the weft (3) that is captured of stretching;Weft holding meanss (27), the weft holding meanss exist It is fixedly placed on the loom in the region of beat-up line (10), with the front end of the weft for keeping at least one to be beaten Part;And removable guide device (25), the removable guide device be arranged on slay (9) so as to the slay (9) it moves together, to be used for towards the weft (3) being captured described in the weft holding meanss (27) guidance, which is characterized in that First suction nozzle (11) is provided as the weft holding meanss (27), and first suction nozzle (11), which has, is directed toward fabric (2) The opening (23) of fabric edge (14), wherein first suction nozzle (11) generates the suction stream for being parallel to the beat-up line (10), So that the free end of weft (3) being maintained in first suction nozzle (11) is at least substantially parallel to the beat-up line (10) and prolongs It stretches.
14. the method according to claim 13 for capturing and stretching weft, which is characterized in that the weft stretches dress Set (28) include the second suction nozzle (12), especially annular spray suction nozzle, when reed (7) be in far from the beat-up line (10) its most When rearward position, the opening (24) of second suction nozzle is directed toward the guiding channel (6) of the reed (7), wherein second suction nozzle (12) it is activated for capturing the weft of the insertion when weft (3) are inserted into the shed open and is captured described It is deactivated when weft reaches the first suction nozzle (11) or soon later.
15. the method described in 3 or 14 for capturing and stretching weft according to claim 1, which is characterized in that described first inhales Mouth (11) is activated when the weft being captured is mobile towards first suction nozzle (11) or shortly before.
CN201780053905.7A 2016-09-02 2017-07-27 Device and method for catching and stretching weft threads Active CN109642362B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BE2016/0141 2016-09-02
BE2016/0141A BE1024545B1 (en) 2016-09-02 2016-09-02 Device and method for catching and stretching weft threads
PCT/EP2017/068962 WO2018041485A1 (en) 2016-09-02 2017-07-27 Device and method for catching and stretching weft threads

Publications (2)

Publication Number Publication Date
CN109642362A true CN109642362A (en) 2019-04-16
CN109642362B CN109642362B (en) 2021-08-06

Family

ID=56925922

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201780053905.7A Active CN109642362B (en) 2016-09-02 2017-07-27 Device and method for catching and stretching weft threads

Country Status (4)

Country Link
EP (1) EP3507404B1 (en)
CN (1) CN109642362B (en)
BE (1) BE1024545B1 (en)
WO (1) WO2018041485A1 (en)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3299912A (en) * 1963-09-12 1967-01-24 Saurer Ag Adolph Suction system for tensioning weft
JPS458370Y1 (en) * 1965-12-11 1970-04-20
US3658098A (en) * 1970-10-22 1972-04-25 Hubert Peter Van Mullekom Weaving machine
US4096889A (en) * 1976-05-31 1978-06-27 Ruti-Te Strake B.V. Weaving loom
JPH02384U (en) * 1988-06-14 1990-01-05
JPH09256245A (en) * 1996-03-22 1997-09-30 Toyota Autom Loom Works Ltd Weft tension device in jet loom
JPH10130999A (en) * 1996-10-31 1998-05-19 Tsudakoma Corp Weft-clamping and stretching apparatus of fluid-jet loom
EP1055752A1 (en) * 1999-05-19 2000-11-29 Tsudakoma Kogyo Kabushiki Kaisha Method of removing weft yarn end and weft yarn end removing mechanism
US20030178088A1 (en) * 2000-05-08 2003-09-25 Arnold Moerman Tuck-in selvedge motion for a weaving machine
EP1365053A1 (en) * 2002-04-26 2003-11-26 Sultex AG Receiving and retaining device for the catchside end of the weft thread in a weaving machine
CN202030902U (en) * 2011-04-07 2011-11-09 建滔(连州)玻璃纤维有限公司 Two-shear suctioning pipe device of air jet loom
BE1020142A3 (en) * 2011-04-11 2013-05-07 Picanol THREAD CLAMP FOR A WEIGHT THREAD AT A WEAVING MACHINE.
WO2013117564A2 (en) * 2012-02-08 2013-08-15 Picanol Device for catching and stretching a weft thread, weaving machine and method for catching and stretching a weft thread
CN104822869A (en) * 2012-10-01 2015-08-05 必佳乐公司 Device and method for monitoring a weft thread

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3299912A (en) * 1963-09-12 1967-01-24 Saurer Ag Adolph Suction system for tensioning weft
JPS458370Y1 (en) * 1965-12-11 1970-04-20
US3658098A (en) * 1970-10-22 1972-04-25 Hubert Peter Van Mullekom Weaving machine
US4096889A (en) * 1976-05-31 1978-06-27 Ruti-Te Strake B.V. Weaving loom
JPH02384U (en) * 1988-06-14 1990-01-05
JPH09256245A (en) * 1996-03-22 1997-09-30 Toyota Autom Loom Works Ltd Weft tension device in jet loom
JPH10130999A (en) * 1996-10-31 1998-05-19 Tsudakoma Corp Weft-clamping and stretching apparatus of fluid-jet loom
EP1055752A1 (en) * 1999-05-19 2000-11-29 Tsudakoma Kogyo Kabushiki Kaisha Method of removing weft yarn end and weft yarn end removing mechanism
US20030178088A1 (en) * 2000-05-08 2003-09-25 Arnold Moerman Tuck-in selvedge motion for a weaving machine
EP1365053A1 (en) * 2002-04-26 2003-11-26 Sultex AG Receiving and retaining device for the catchside end of the weft thread in a weaving machine
CN202030902U (en) * 2011-04-07 2011-11-09 建滔(连州)玻璃纤维有限公司 Two-shear suctioning pipe device of air jet loom
BE1020142A3 (en) * 2011-04-11 2013-05-07 Picanol THREAD CLAMP FOR A WEIGHT THREAD AT A WEAVING MACHINE.
WO2013117564A2 (en) * 2012-02-08 2013-08-15 Picanol Device for catching and stretching a weft thread, weaving machine and method for catching and stretching a weft thread
CN104220659A (en) * 2012-02-08 2014-12-17 必佳乐公司 Device for catching and stretching a weft thread, weaving machine and method for catching and stretching a weft thread
CN104822869A (en) * 2012-10-01 2015-08-05 必佳乐公司 Device and method for monitoring a weft thread

Also Published As

Publication number Publication date
WO2018041485A1 (en) 2018-03-08
BE1024545A1 (en) 2018-03-28
CN109642362B (en) 2021-08-06
BE1024545B1 (en) 2018-04-05
EP3507404C0 (en) 2023-09-06
EP3507404A1 (en) 2019-07-10
EP3507404B1 (en) 2023-09-06

Similar Documents

Publication Publication Date Title
EP2449158B1 (en) Device and method for catching and stretching weft threads in weaving machines
JP3276652B2 (en) Weft tensioning device in loom
CN105544070B (en) The weft tension application devices of air-jet loom
EP3060707A2 (en) Giver rapier head, giver rapier, rapier weaving machine and method for inserting a weft thread in such a rapier weaving machine using such a giver rapier head
TW589422B (en) Tuck-in equipment of shuttle-free loom
JPH0253940A (en) Air pressure thread holder for lug device for loom
JP2008063715A (en) Process and stretching device for holding weft thread
CN109642362A (en) Device and method for capturing and stretching weft
EP3146101B1 (en) Stretching device for a weft thread
CN104822869B (en) Apparatus and method for monitoring weft yarn
CN109983166A (en) Waste material end stretching device for loom
JPH0610239A (en) Selvage forming device being operated with fluid in loom
IE44332B1 (en) Weaving loom comprising a pneumatically operated storage device for the weft yarn.
US7740030B2 (en) Selvedge forming apparatus, weaving machine with a selvedge forming apparatus and method for forming a selvedge
JPH0835150A (en) Device for reducing adhesion of fiber refuse in loom
US20080178959A1 (en) Catching apparatus and method for a rapier weaving machine
WO2011092085A1 (en) Pneumatic stretching device of the weft thread for air-jet weaving looms, with a weft deflecting head arranged inside the launch channel of the reed
CN106414825A (en) Selvedge forming device for a weft thread
JPH0718775Y2 (en) Stabilizer for the cloth fell position in a loom
JPH0426464Y2 (en)
JPH07279001A (en) Weft tension-imparting device in jet loom
JPH0617351A (en) Fiber feeder
CS251364B1 (en) Picking channel of air-jet loom formed by profile reed
JPS5944417B2 (en) Fragment loom yarn end traction device
JPH09316754A (en) Weft yarn tension stabilizer for fluid jet loom

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant