CN101668885A - A gripper weaving machine provided with a bringer gripper and a deflecting guide - Google Patents
A gripper weaving machine provided with a bringer gripper and a deflecting guide Download PDFInfo
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- CN101668885A CN101668885A CN200880006221A CN200880006221A CN101668885A CN 101668885 A CN101668885 A CN 101668885A CN 200880006221 A CN200880006221 A CN 200880006221A CN 200880006221 A CN200880006221 A CN 200880006221A CN 101668885 A CN101668885 A CN 101668885A
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- Prior art keywords
- gripper
- yarn
- wire sending
- weft yarn
- thread
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- 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
- D03D47/20—Constructional features of the thread-engaging device on the inserters
- D03D47/23—Thread grippers
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- 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
- D03D47/20—Constructional features of the thread-engaging device on the inserters
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- 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
- D03D47/20—Constructional features of the thread-engaging device on the inserters
- D03D47/23—Thread grippers
- D03D47/233—Carrying grippers
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- 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
- D03D47/27—Drive or guide mechanisms for weft inserting
- D03D47/277—Guide mechanisms
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Abstract
A gripper weaving machine provided with a bringer gripper (2) and a deflecting guide (3) on which a weft thread (4, 50) can rest before being brought into a weaving shed (9) by means of the bringer gripper (2), wherein the deflecting guide (3) comprises a groove (20) and the bringer gripper (2) comprises a thread clamp (40) and wherein the thread clamp (40) interacts with a thread guiding element(41 ) for the thread clamp (40) that moves, during the taking up of a weft thread (4, 50), through the groove (20) in order to take up a weft thread (4, 50) resting on the deflecting guide (3). A bringer gripper (2) and a deflecting guide (3) which are used in a gripper weaving machine.
Description
Technical field
The present invention relates to a kind of gripper shuttle loom, described gripper shuttle loom is provided with wire sending gripper and deflection guiding device, and weft yarn can be laid in before being admitted in the fell by means of described wire sending gripper on the described deflection guiding device.
Background technology
In gripper shuttle loom, sending fell with weft yarn under the help of wire sending gripper and admittance projectile shuttle is known way.Described as EP 906461B1, wire sending gripper can be picked up (take up) weft yarn in the supply side location of fell, described weft yarn is remained on horizontal position substantially and is in stand-by state by means of pushing away yarn device (threadpresenter), and described weft yarn is laid on the deflection guiding device.In this case, pushed away weft yarn that the yarn device remains in stand-by state and on described deflection guiding device, produce the position that crooked and this weft yarn is maintained at accurate qualification by described, in this position, when wire sending gripper was shifted to fell, described weft yarn can be picked up by described wire sending gripper.When wire sending gripper was sent to fell, weft yarn was picked up, is positioned in position more vertical in this wire sending gripper by this wire sending gripper and is held by means of the yarn gripper of this wire sending gripper.At about center position of this fell, this weft yarn admitted projectile shuttle take over, by the yarn gripper clamping of this admittance projectile shuttle and be sent to the opposite side of fell by described admittance projectile shuttle.In this case, can be disposed in around the hook portion of the admittance projectile shuttle of the yarn gripper of this admittance projectile shuttle in the plane of level substantially, so that the part of upright position that is positioned at more from this weft yarn of this wire sending gripper is picked up.During during this period of time, wire sending gripper is returned its original position that is positioned at this fell supply side place under the situation of empty shuttle.
In gripper shuttle loom, sending fell with weft yarn under the help of wire sending gripper also is known way.The wire sending gripper of picking up weft yarn at the supply side place of this fell is shifted to the opposite side of this fell subsequently, and at this opposite side place, weft yarn is discharged by wire sending gripper and for example admitted hook portion or like to take over.
Disclosed following content among the EP 906461B1: begin for this wire sending gripper guiding surface to be set from the top of wire sending gripper, described guiding surface guides to recess with weft yarn, and described recess is used for described weft yarn is positioned in the wire sending gripper also knownly.Such wire sending gripper also comprises antelabium, and described antelabium has formed guiding surface, and described guiding surface guides to yarn gripper with weft yarn.Such wire sending gripper makes when described weft yarn is picked up by this wire sending gripper, can keep tensioning state in described weft yarn, and the risk that therefore weft yarn is occurred fracture in picked process is reduced to minimum level.In order to pick up weft yarn without difficulty, such wire sending gripper need remain in stand-by state with this weft yarn under specific tension force.
Background technology
The objective of the invention is to design a kind of gripper shuttle loom, wire sending gripper and deflection guiding device, described gripper shuttle loom, wire sending gripper and deflection guiding device make it possible to pick up weft yarn without difficulty and make it be in stand-by state.
The realization reason of this purpose is: provide a kind of and comprised the deflection guiding device of groove and make described wire sending gripper comprise yarn gripper, described yarn gripper interacts with the thread-guide element that is used for described yarn gripper, and described thread-guide element moves through described groove so that the weft yarn that is shelved on the described deflection guiding device is picked up in the pick process of weft yarn.
Be in for the weft yarn under the stand-by state for being maintained at according to deflection guiding device of the present invention place, no matter this weft yarn is held under what kind of tension force is in stand-by state, all can pick up this weft yarn without difficulty according to wire sending gripper of the present invention.Such wire sending gripper can also be picked up the weft yarn with virtually any size.Such wire sending gripper can not brought yet and make any risk that warp thread is impaired or rupture simultaneously.Such wire sending gripper has been used few parts, and this wire sending gripper also can be configured to have lighter weight, short and then comparatively narrow perpendicular to described longitudinal direction along the longitudinal direction.
According to an embodiment, the thread-guide element that is used for yarn gripper is that the yarn clipping element by described yarn gripper forms.This makes described wire sending gripper can have simple structure and makes it can use parts seldom.According to an embodiment, described yarn gripper comprises two yarn clipping elements, and described two yarn clipping elements are arranged so that can relative to each other move also stressed toward each other.Such yarn gripper can be configured to the single type element maybe can comprise the element that is linked together.
According to an embodiment, described yarn gripper described wire sending gripper pick up in the process of weft yarn with described deflection guiding device in described groove be relative.According to an embodiment, described wire sending gripper has formed open pro-file, described open pro-file in the described pick process of weft yarn round described deflection guiding device, described open pro-file along described longitudinal direction extend and in front, back and orientation be opening on the sidepiece of described deflection guiding device.In this case, the described longitudinal direction of described wire sending gripper also is the moving direction of described wire sending gripper.
According to an embodiment, weft yarn is positioned in the height place of the lower flank that is positioned at described wire sending gripper in the described wire sending gripper by setting element, and described weft yarn is positioned in the height place of the described upper flap of described wire sending gripper by described yarn gripper.This setting element can be formed by the collar in the described lower flank.Such wire sending gripper not only has simple configuration, but also can be designed to have the parts of minimum number.In addition, described weft yarn can be positioned in the described wire sending gripper, to be convenient to being admitted projectile shuttle or admittance hook portion to take over.
According to an embodiment, the described thread-guide element that is used for described yarn gripper is arranged, so that the weft yarn that is picked up by described wire sending gripper at first contacted, moves and strained by described thread-guide element alternatively with described thread-guide element with described thread-guide element before by described yarn gripper clamping.According to an embodiment, described setting element can be arranged with respect to described yarn gripper, so that the weft yarn that is picked up by described wire sending gripper at first contacted with described setting element before by described yarn gripper clamping.Thereby this makes and to be in different positions and to be in for the weft yarn under the stand-by state for being held with respect to described deflecting element along the moving direction of described wire sending gripper that described weft yarn can be clamped in the location of the single position substantially of described wire sending gripper along the moving direction of described wire sending gripper by described yarn gripper.This makes described weft yarn at first can be tightened up by moving with described thread-guide element and/or moving with described setting element before by described yarn gripper clamping.Partly owing to those reasons, it is so unimportant for picking up of described weft yarn for described wire sending gripper to be held the tensioning state that is in the described weft yarn under the stand-by state.
According to an embodiment, described yarn gripper is positioned on the upper flap of described wire sending gripper and can interacts with the yarn gripper deploying device, thereby described yarn gripper deploying device can be positioned at the specific location that is positioned at described wire sending gripper is opened in the position of contiguous described upper flap along the moving direction of described wire sending gripper described yarn gripper.
According to an embodiment, described wire sending gripper is attached on the arrow shaft band via described lower flank, and described fell be sent described wire sending gripper into and be sent to described arrow shaft band can along the moving direction of described wire sending gripper.
The invention still further relates to a kind of can be used for according to the wire sending gripper in the gripper shuttle loom of the present invention.Wire sending gripper according to the present invention comprises open pro-file, described open pro-file along described longitudinal direction extend and in front, be opening on back and the sidepiece, so that can be round described deflection guiding device, and described wire sending gripper comprises thread-guide element, described thread-guide element is arranged so that move through groove in the deflection guiding device along moving direction in the described pick process of weft yarn, thereby weft yarn is picked up.The advantage of such wire sending gripper is and can interacts with the deflection guiding device of fixed and arranged, the deflection guiding device of described fixed and arranged can remain on weft yarn the position of the described yarn gripper that is close to described wire sending gripper and described weft yarn is under the stand-by state, and also can be responsible for weft yarn is guided into the described yarn gripper of described wire sending gripper.
The invention still further relates to a kind of can be used for according to the deflection guiding device in the gripper shuttle loom of the present invention.Deflection guiding device according to the present invention comprises groove, the thread-guide element that is used for the yarn gripper of wire sending gripper can move through described groove in the described pick process of weft yarn, and described weft yarn is laid on the marginal portion of the described groove in the described deflection guiding device.Because described deflection guiding device can be secured on the framework of described gripper shuttle loom and therefore not form the part of described wire sending gripper, therefore described wire sending gripper can have the configuration of Simple, light.
Description of drawings
To the description of exemplary embodiments shown in the figure, one of ordinary skill in the art will should be readily appreciated that further aspect of the present invention and advantage by subsequently, wherein:
Fig. 1 is the perspective view according to the part of the gripper shuttle loom that comprises wire sending gripper and deflection guiding device of the present invention;
Fig. 2 is the view along the observed loom shown in Figure 1 of direction shown in the arrow F2 among Fig. 1;
Fig. 3 is the perspective view according to deflection guiding device of the present invention;
Fig. 4 is the perspective view according to wire sending gripper of the present invention that is attached on the arrow shaft;
Fig. 5 to Fig. 9 is the plane of the loom shown in Figure 1 for a plurality of positions of described wire sending gripper; With
Figure 10 is the modification of loom shown in Figure 5.
The specific embodiment
As depicted in figs. 1 and 2 comprise wire sending gripper 2 and deflection guiding device 3 in the described part according to gripper shuttle loom 1 of the present invention.Also show weft yarn 4 among the figure, described weft yarn extends and shifts to the selvedge 7 of fabric 8 from confession yarn device (not shown) via pushing away the drawing yarn eyelet 5 of yarn device 6.Push away yarn device 6 and for example be U.S. Pat 5400834 described parts that push away yarn equipment, this pushes away the yarn device weft yarn 4 is placed on the deflection guiding device 3, thereby make when wire sending gripper 2 when its moving direction A shifts to fell 9, described weft yarn 4 can be picked up by wire sending gripper 2, thereby weft yarn 4 is introduced in the fell 9.In the pick process of weft yarn 4, weft yarn 4 is laid on the deflection guiding device 3.Fell 9 is formed by warp thread 10 and 11, and described warp thread forms device 12 and 13 by fell and moves up and down.Reed 14 is set at fabric 8 and fell forms between the device 12,13.
In embodiment illustrated in figures 1 and 2, deflection guiding device 3 is secured on the guide profile 15 so that guiding arrow shaft band 16.Arrow shaft band 16 is intended to make wire sending gripper 2 to move along direction A and the direction opposite with direction A.Wire sending gripper 2 is attached on the arrow shaft band 16 via lower flank 17; More particularly, the lower flank 17 of wire sending gripper 2 is secured on the arrow shaft band 16.Deflection guiding device 3 comprises groove 20, and described groove is by two marginal portions 21 and 22 limited boundaries, is pushed the weft yarn 4 that yarn device 6 remains under the stand-by state and can be laid on the described marginal portion.Deflection guiding device 3 limits the deflection area that is used for weft yarn 4 between marginal portion 21 and 22, groove 20 is disposed in the described deflection area.Such weft yarn 4 that is under the stand-by state that is held produces crooked on described deflection guiding device 3; More particularly, from the described selvedge 7 that yarn eyelet 5 extends to fabric 8 that draws that pushes away yarn device 6, weft yarn 4 is connected to described selvedge to described weft yarn 4 on the marginal portion 21 and 22 of described deflection guiding device 3.Deflection guiding device 3 comprises plate 23, and described plate is folded so that this plate 23 has formed groove 20 and marginal portion 21 and 22.Plate 23 is secured to the guide profile 15 that is used for arrow shaft band 16 at the framework place of this loom, and is described fastening for example by at least one screw connection 24 realization.In this case, plate 23 by attached so that this groove 20 has the layout parallel with the moving direction A of wire sending gripper 2.
As Fig. 3 illustrates in greater detail ground, deflection guiding device 3 comprises edge 26 and 27, described edge forms chamfering (bevelled) in the position at the top 25 of adjacent trenches 20, and by attached so that prevent that weft yarn 4 is hunted down at the height place at the top 25 of the plate 23 of deflection guiding device 3 or impaired.Edge 26 and 27 is disposed in respectively in the prolongation of marginal portion 21 and 22.Plate 23 also by attached so that when described projectile shuttle picked up weft yarn 4, described wire sending gripper 2 can move along plate 23.Plate 23 can for example be made by stainless steel plate, aluminium sheet sheet or titanium plate, can be provided with cover layer on these plates.When plate 23 is in stationary state following time, plate 23 can be configured to the normal configuration sheet steel.Can select so that it is relative less with the distance between the guide profile 15 top 25, and top 25 can for example be positioned at more short-range position that is separated by with it, the extension top of arrow shaft band 16.
According to the present invention, wire sending gripper 2 comprises bent plates 30, and described bent plates is for example made by stainless steel plate, aluminium sheet sheet or titanium plate, can be provided with on these plates or can not be provided with cover layer.Plate 30 comprises lower flank 17, upper flap 18 and side flaps 19.In this case, wire sending gripper 2 has formed open pro-file 31, and described open pro-file can be round deflection guiding device 3.This open pro-file 31 is that form and extend along the longitudinal direction of wire sending gripper 2 in this example by plate 30 in this example, and promptly the moving direction A along wire sending gripper 2 extends.Wire sending gripper 2, the more particularly open pro-file 31 of this wire sending gripper 2, in front be opening on the back, are openings more particularly, and the open pro-file of this wire sending gripper also is being an opening on the sidepiece 53 of deflection guiding device 3 at front end 55 and 56 places, rear end.In other words, the plate 30 that is formed by lower flank 17, upper flap 18 and side flaps 19 has formed the profile of section U-shaped in general, and this profile can be arranged such that this open side 53 has towards the orientation of deflection guiding device 3 and make that this U-shaped profile of this plate 30 can be round deflection guiding device 3.
According to the present invention, wire sending gripper 2 comprises yarn gripper 40, described yarn gripper in the pick process of weft yarn 4 with deflection guiding device 3 in groove 20 be relative.Yarn gripper 40 interacts with the thread-guide element 41 that is used for yarn gripper 40, and described thread-guide element moves through groove 20 in the pick process of weft yarn 4, so that pick up the weft yarn 4 on the marginal portion 21 and 22 that is shelved on the groove 20 that is positioned at deflection guiding device 3.In this example, thread-guide element 41 is disposed in the height place of yarn gripper 40 and picked weft yarn 4 can be guided into yarn gripper 40 and this weft yarn of guiding in this yarn gripper.In exemplary embodiments as shown in the figure, thread-guide element 41 has formed the part of yarn clipping element 42.Yarn gripper 40 comprises two yarn clipping elements 42 and 43, and described two yarn clipping elements are arranged so that can relative to each other move and towards stressed each other.Yarn gripper 40 is positioned at the height place of the upper flap 18 of wire sending gripper 3.As shown in Figure 2, yarn clipping element 42 and 43 can comprise the yarn clipping surface of with groove.Certainly, yarn clipping element 42 and 43 can have any required yarn clipping surface, thereby makes weft yarn can be clamped between two yarn clipping elements 42 and 43.
As shown in Figure 4, upper flap 18 is disposed between two yarn clipping elements 42 and 43.In this example, in case yarn clipping element 42 and 43 have the elasticity configuration and be secured on the upper flap 18 then towards stressed each other.Two yarn clipping elements 42 and 43 comprise a part that is used as the sheet spring.According to a kind of modification (not shown), yarn clipping element 42 and/or 43 can be configured so that to realize hinged with spring and interact, thereby make the yarn clipping element towards stressed each other.According to further modification (not shown), a yarn clipping element can have fixed configuration, and another yarn clipping element then can fixedly the yarn clipping element be stressed with elastic type with respect to this; For example, yarn clipping element 42 can rigid manner be connected on the plate 30, and yarn clipping element 43 then can be arranged with elastic type with respect to plate 30.This fastening can the realization by at least one screw 44, described screw for example passes the hole that is arranged in yarn clipping element 43 and is arranged in the hole of the upper flap 18 of plate 30, thereby be screwed on the hole that is arranged in yarn clipping element 42 subsequently, the described hole that is arranged in yarn clipping element 42 is provided with screw thread.In this example, thread-guide element 41 is partly to be formed by the anterior of yarn clipping element 42.In other words, in this embodiment, the anterior part of yarn clipping element 42 moves through groove 20 in the pick process of weft yarn 4.The advantage of this embodiment is: at least one screw 44 that wire sending gripper 2 only comprises plate 30, the first yarn clipping element 42, the second yarn clipping element 43 and is used for plate 30 and yarn clipping element 42,43 are linked together.According to a kind of modification (not shown), thread-guide element also can be formed by the band of a part that has formed this top tab or by for example being attached on this top tab or the band that is attached on the yarn clipping element 42 forms.Because thread-guide element can have ad-hoc location with respect to plate 30, therefore can pick up weft yarn from plate 23 clearly.
Top yarn clipping element 43 comprises the end sections 45 and 46 of two bendings, and these two end sections are disposed in the opening 47 and 48 of upper flap 18.This row is except when wire sending gripper 3 when moving through fell 9, and yarn clipping element 43 makes the impaired risk of warp thread.
As shown in Figure 4, wire sending gripper 2 has the setting element 32 at lower flank 17 places that are positioned at plate 30.Weft yarn 4 can be positioned between yarn gripper 40 and this setting element 32, and described yarn gripper is disposed in the height place of the upper flap 18 of plate 30.This setting element 32 can be formed by the recess or the collar 54 at 33 places, edge that are positioned at lower flank 17.In this example, this lower flank 17 is positioned at the position of the anterior part of contiguous wire sending gripper 2, more particularly, described lower flank is positioned at the position of neighbor point 34, and this lower flank for example has the similar structure of lower flank to the described wire sending gripper of EP 906461B1.In this example, the point 34 of wire sending gripper 2 is set on the side flaps 19 of wire sending gripper 2, and this side flaps is disposed in the position of contiguous reed 14.Lower flank 17 is secured on the arrow shaft band 16 of contiguous rear portion by screw connection 35, and described rear portion is the part of point of distance 34.Arrow shaft band 16 has collar (collar) 36 and has the longitudinal component 37 of certain profile, and wire sending gripper 2 is secured on the described collar, and the described longitudinal component that has certain profile extends along the longitudinal direction and is intended to and is driven and guides along moving direction A.Arrow shaft band 16 with collar 36 and longitudinal component 37 can be directed in the guiding device 38 of as shown in Figure 1 guide profile 15.Arrow shaft 16 can be for example in fell by the guiding of guiding hook portion, as described in the WO 2006/037619.Wire sending gripper 2 and arrow shaft band 16 can and shift out fell 9 along the moving direction A shift-in of wire sending gripper 2.
As can see from Figure 1, in removed position from fell 9, wire sending gripper 2 can interact with clamp opener 28.In this embodiment, clamp opener 28 comprises band 29, and described band can be bonded between the upper flap 18 of yarn clipping element 43 and plate 30, so that promote yarn clipping element 43 and move it away from yarn clipping element 42, thereby yarn gripper 40 is opened.In this example, band 29 flatly and along the moving direction A of wire sending gripper 2 is arranged substantially.According to an embodiment (not shown), band can have wedge shaped configuration and/or have the layout of slight inclination.In this example, clamp opener 28 is disposed in the position of the upper flap 18 of contiguous wire sending gripper 2, and separated by a distance with fell 9.Clamp opener 28 is for example fastened with respect to the framework of loom, for example with respect to the guide profile 15 that is used for arrow shaft band 16 by screw connection 39 and fastened.When wire sending gripper 2 was positioned at the location of clamp opener 28, it was favourable opening described guide profile, and its favourable part is dust to be blown out yarn gripper 40 and/or makes and can aspirate.Use is disposed in the be separated by clamp opener 28 of position of specific range of fell 9 and also makes yarn gripper 40 can be opened or stay open state, arrives the position that accurately limits along the moving direction A of wire sending gripper 2 with respect to fell 9 until wire sending gripper 2.Keep yarn gripper 40 to be in open mode or to keep this yarn gripper to be in open mode in the specific location of wire sending gripper 2 and reach ad-hoc location with respect to fell 9, make any required moment that weft yarn 4 can be in the picking cycle by yarn gripper 40 clampings until wire sending gripper 2.According to a kind of modification (not shown), also can use controlled device that clamp opener 28 is moved with respect to fell 9, thereby the moment of opening or closing again yarn gripper 40 in the picking cycle is set or regulates.
As can see from Figure 2, the thread-guide element 41 that is used for yarn gripper 40 is arranged, so that will at first be contacted, move with this thread-guide element 41 so that further shift in the process of fell 9 in wire sending gripper 2 by the weft yarn 4 that wire sending gripper 2 is picked up with thread-guide element 41.Unite in the mobile process at this, for example be maintained at fabric 8 and push away between the yarn device 6 and the weft yarn 4 that continues to be laid on marginal portion 21 and 22 carries out mobile thread-guide element by means of the thread-guide element 41 that moves through groove 20.Subsequently, weft yarn moves away from the marginal portion 21 and 22 and be directed to yarn gripper 40 along this thread-guide element 41 of deflection guiding device 3, so that by yarn gripper 40 clampings.The weft yarn 4 that is laid on the deflection guiding device 3 moves specific range by thread-guide element 41 along groove 20, this weft yarn 4 continues to be laid in the advantage that this fact on the deflection guiding device 3 brings and is simultaneously: only when wire sending gripper 2 arrives ad-hoc locations, be under the specific tension force and/or form special angles with respect to wire sending gripper 2 at this position weft yarn, weft yarn just can make progress and move towards yarn gripper 40.In the embodiment shown in fig. 1, in order to make wire sending gripper 2 to move along deflection guiding device 3, thereby yarn gripper 40 is attached to and makes yarn gripper 40 be disposed in deflection guiding device 3 tops on the wire sending gripper 2.In this example, the front end of thread-guide element 41 is between the appropriate section of yarn clipping part 42,43, and the yarn 4 of inwardly advancing (run-in thread) is clamped between the described appropriate section.The result makes, weft yarn 4 along moving direction A in the process that thread-guide element 41 moves, this weft yarn 4 is set between the appropriate section of yarn clipping part 42,43, weft yarn 4 is clamped between the described appropriate section.In this example, setting element 32 also is arranged with respect to yarn gripper 40, thereby makes the weft yarn 4 that is picked up by wire sending gripper 2 at first move with setting element 32 contacts and with thread-guide element 41 before by yarn gripper 40 clampings.When having specific tension force in the weft yarn and/or when weft yarn was positioned in specific position, angle, weft yarn can be by yarn gripper 40 clampings.
Fig. 5 shows the weft yarn 4 that is pushed out or is maintained under the stand-by state, and this weft yarn contacts with wire sending gripper 2.When wire sending gripper 2 continues when mobile along moving direction A subsequently, weft yarn 4 contacts with thread-guide element 41 and also contacts with setting element 32 as shown in Figure 7 subsequently with edge 33 as shown in Figure 6.In this example, weft yarn 4 moves with thread-guide element 41 and/or with setting element 32.In the process that wire sending gripper 2 is moved further, weft yarn 4 also is tensioned or is maintained under the tensioning state.When wire sending gripper 2 continuation were mobile, weft yarn 4 was introduced in the yarn gripper 40, as shown in Figure 8.Subsequently, as shown in Figure 9, cut by the cutter 49 between yarn gripper 40 and fabric 8 by the weft yarn 4 of yarn gripper 40 clampings, thereby make weft yarn 4 further to be sent in the fell 9 with wire sending gripper 2.In this cutting process, weft yarn 4 can be by 57 clampings of yarn clipping element, and wherein yarn clipping element 57 can be secured on the cutter 49 by screw connection 58.Cutter 49 can be secured on the guide profile 15 by screw connection 67.
If different weft yarn 50 as shown in figure 10 is maintained at different positions with respect to deflecting element 3 and is under the stand-by state, then this weft yarn 50 will be similarly at first with thread-guide element 41 and/or setting element 32 contacts, be tensioned and be clamped in identical substantially position by yarn gripper 40 subsequently with respect to fell 9.Figure 10 shows the zone 59 of inwardly advancing, and wherein wire sending gripper 2 is picked up along weft yarn 4,50 usually, and more particularly, wherein the thread-guide element 41 of wire sending gripper 2 makes weft yarn 4,50 produce displacement along deflection guiding device 3.Also show yarn clipping zone 60 among the figure, wherein the yarn gripper 40 of wire sending gripper 2 weft yarn 4,50 with common clamping.Obviously, the suitable layout of clamp opener 28 also makes and can adjust and/or set the moment of clipped weft yarn.
Make and can more particularly have any desired thickness, uniformity, heterogeneity and similarity according to the embodiment of wire sending gripper 2 of the present invention without difficulty to having any required form, weft yarn weave.In addition, the shape of such wire sending gripper can be eliminated the risk of wire sending gripper damage warp thread.Wire sending gripper 2 according to the present invention is particularly suitable for picking up such weft yarn, and this weft yarn is in stand-by state being maintained at any desired location place on the deflecting element 3 according to the present invention and being under any required tension force.
Use comprises that the advantage that the deflecting element 3 of the groove 20 that is formed in the plate 23 is brought is: make weft yarn 4,50 can be directed to the yarn gripper 40 of wire sending gripper 2, and wire sending gripper 2 might not be provided with a plurality of guiding devices that are used for weft yarn 4,50 is guided to yarn gripper 40.For the present invention, for realizing this purpose simple thread-guide element 41 only need be set, this thread-guide element can be preferably formed the part of the yarn clipping element 42 of wire sending gripper 2.This feasible wire sending gripper 2 that can form Simple, light.
In the time of when the thread-guide element 41 by groove 20 is positioned in yarn gripper 40 in the pick process of weft yarn 4,50 below, this thread-guide element 41 can make weft yarn 4,50 advance on the moving direction A of wire sending gripper 2 along groove 20, and weft yarn 4,50 need not to be clamped in the yarn gripper 40.In this example, weft yarn 4,50 can slide along the marginal portion 21 and 22 of groove 20 simply.This makes weft yarn 4,50 only just be held when weft yarn 4,50 has been under the tensioning state and be positioned at the position of contiguous fell 9.This especially make be maintained at the weft yarn 4,50 that is in respect to the diverse location place of the plate 23 of deflection guiding device 3 under the stand-by state along moving direction A can be picked and can be clamped in the yarn gripper 40 and be positioned at the same position place along moving direction A substantially.In pick process, therefore weft yarn 4,50 can slide along thread-guide element 41 before between the yarn clipping part 42,43 that is clamped in yarn gripper 40.In the pick process of weft yarn 4,50, weft yarn 4,50 also can be directed to setting element 32, and described bootup process can be carried out or carry out simultaneously with this sliding process before thread-guide element 41 slides alternatively at weft yarn 4,50.In this example, weft yarn 4,50 also can slide along setting element 32.The part of extending between yarn gripper 40 and setting element 32 of weft yarn 4,50 can known manner be admitted projectile shuttle to pick up in the central area of fell.Another kind of optional mode is, this part of weft yarn 4,50 can be admitted hook portion pick up, and described admittance hook portion is disposed in the opposite side place of fell.In wire sending gripper 2 as shown in the figure, this part of weft yarn 4,50 is extended under specific angle, more particularly extends in almost vertical mode.
For example shown in Figure 5, be held the weft yarn 4,50 that is under the stand-by state on the plate 23 that is provided with groove 20 from the selvedge 7 of fabric 8 extend to obliquely push away yarn device 6,52 draw yarn eyelet 5,51, promptly the moving direction A with respect to wire sending gripper 2 extends obliquely.This makes weft yarn 4,50 to be supplied to wire sending gripper 2 from a plurality of Yarn supply device (not shown).Obviously, in the weft yarn that is held is admitted to fell 9 before, be held the weft yarn 4,50 that is under the stand-by state and must be connected to fabric 8 and from fabric 8, be cut by loosely.According to a kind of modification (not shown), replace being held with being connected to fabric 8 these modes, weft yarn can be secured on the thread nipper assembly in the position of contiguous fabric, thereby make weft yarn 4 to be directed and can be held being under the stand-by state around deflection guiding device 3 at the marginal portion 21 of groove 20 and 22 places, described fastening for example be to realize by the mode that discloses among the US 4840203 knownly.In this example, weft yarn can be cut by loosely from fabric in the moment of introducing weft yarn.
As depicted in figs. 1 and 2, another induction element 64 can be set so that when wire sending gripper 2 is arranged in fell, guide weft yarn.Induction element 64 is secured on the guide profile 15 by screw connection 65.This has got rid of weft yarn and formed the risk that contacts with reed 14 in the process that is introduced into.Cutter 49 can comprise electronic and/or controllable CD-ROM drive motor 61 and comprise the rotational shear blade 62 that is driven by CD-ROM drive motor 61.Cutter 49 further comprises guiding device 63 so that weft yarn is guided to shearing blade 62 and/or so that when the shearing blade 62 that weft yarn is rotated is cut weft yarn was clamped between guiding device 63 and the yarn clipping element 57.Plate 23 also can be secured on the cutter 49 by screw connection 66.As can see from Figure 3, plate 23 has the opening 68 and 69 that is used for screw connection 24 and 66.Obviously, plate 23, cutter 49 and guide profile 15 can also be linked together by different modes.
The advantage that wire sending gripper 2 according to the present invention is had is: this wire sending gripper can have the lightweight configuration.In addition, can between point 34 and arrow shaft band 16, keep short distance, thereby make wire sending gripper 2 as if less stretch out arrow shaft band 16, and this is favourable for preventing that arrow shaft 16 from producing wearing and tearing.In addition, but the distance between selected element 34 and the yarn gripper 40 and put 34 and setting element 32 between distance and make this distance shorter.A kind of advantage had of arranging in back is: for wire sending gripper 2 must shift out fell 9 in order to pick up weft yarn distance, can select this distance and make it less relatively.This also makes the moving process can limit wire sending gripper 2, thereby makes and can increase braiding speed, promptly makes the weft yarn that can introduce greater number in the unit interval.
Obviously, groove 20 is not limited to the groove 20 of V-arrangement substantially as shown in the figure.According to a kind of modification (not shown), thereby groove 20 also can have the U-shaped configuration or present any required shape and makes the thread-guide element 41 of yarn gripper 40 of wire sending gripper 2 can pass through groove 20.
The present invention is not limited to exemplary embodiments as shown in the figure.One of ordinary skill in the art are easy to exemplary embodiments is as shown in the figure made modification and combination.Protection scope of the present invention is defined by the claims.
Claims (27)
1, gripper shuttle loom, described gripper shuttle loom comprises wire sending gripper (2) and deflection guiding device (3), described deflection guiding device is used for cross described deflection guiding device (3) and will be positioned by the weft yarn (4,50) that pick up described wire sending gripper (2) when entering in the fell (9) moving
It is characterized in that,
Described deflection guiding device (3) between the marginal portion that is used for support shute (4,50) (21,22) comprises the groove (20) that extends along the moving direction of described wire sending gripper (2), and described wire sending gripper (2) comprises the thread-guide element (41) that is used for weft yarn (4,50) is guided to the yarn gripper (40) of described wire sending gripper (2), and described thread-guide element (41) stretches out and enters in the described groove (20).
2, gripper shuttle loom according to claim 1 is characterized in that, the described thread-guide element (41) that is used for described yarn gripper (40) is that the yarn clipping element (42) by described yarn gripper (40) forms.
3, gripper shuttle loom according to claim 1 and 2 is characterized in that, described yarn gripper (40) comprises two yarn clipping elements (42,43), and described two yarn clipping elements are arranged so that can relative to each other move also stressed toward each other.
4, according to each described gripper shuttle loom in the claim 1 to 3, it is characterized in that, described yarn gripper (40) described wire sending gripper (2) pick up in the process of weft yarn (4,50) with described deflection guiding device (3) in described groove (20) be relative.
5, according to each described gripper shuttle loom in the claim 1 to 4, it is characterized in that, described wire sending gripper (2) comprises open pro-file (31), described open pro-file can be round described deflection guiding device (3), described open pro-file along described longitudinal direction extend and in front, back and orientation be opening on the sidepiece (53) of described deflection guiding device (3).
6, according to each described gripper shuttle loom in the claim 1 to 5, it is characterized in that, described wire sending gripper (2) has the setting element (32) of the location that is positioned at lower flank (17) and is positioned at the yarn gripper (40) of the location of upper flap (18), so that the weft yarn in the described wire sending gripper (2) (4,50) is positioned.
7, gripper shuttle loom according to claim 6 is characterized in that, described setting element (32) is that the collar (54) by the described lower flank (17) that is arranged in described wire sending gripper (2) forms.
8, according to each described gripper shuttle loom in the claim 1 to 7, it is characterized in that, the described thread-guide element (41) that is used for described yarn gripper (40) is arranged, so that the weft yarn (4,50) that is picked up by described wire sending gripper (2) is at first being moved with described thread-guide element (41) contact and with described thread-guide element before described yarn gripper (40) clamping.
9, according to each described gripper shuttle loom in the claim 1 to 8, it is characterized in that, described setting element (32) is arranged with respect to described yarn gripper (40), so that the weft yarn (4,50) that is picked up by described wire sending gripper is at first being contacted with described setting element (32) by before described yarn gripper (40) clamping.
10, according to each described gripper shuttle loom in the claim 1 to 9, it is characterized in that, the described upper flap (18) that described yarn gripper (40) is positioned at described wire sending gripper (2) goes up and can interact with yarn gripper deploying device (28), described yarn gripper deploying device can be disposed in contiguous described upper flap (18) thus the position open the described yarn gripper (40) of the specific location that is positioned at described wire sending gripper (2) along the moving direction (A) of described wire sending gripper (2).
11, according to each described gripper shuttle loom in the claim 1 to 10, it is characterized in that, described wire sending gripper (2) is attached on the arrow shaft band (16) via described lower flank (17), and described fell (9) be sent described wire sending gripper (2) into and be sent to described arrow shaft band can along the described moving direction (A) of described wire sending gripper (2).
12, the wire sending gripper that is used for gripper shuttle loom, described wire sending gripper (2) comprises open pro-file (31), described open pro-file along described longitudinal direction extend and in front, be opening on back and the sidepiece (53), so that can be round deflection guiding device (3), it is characterized in that, described wire sending gripper (2) comprises thread-guide element (41), described thread-guide element is arranged so that move through groove (20) between the marginal portion (21,22) between deflection guiding device (3) along moving direction (A), thereby weft yarn (4,50) is picked up.
13, wire sending gripper according to claim 12 is characterized in that, described wire sending gripper (2) comprises that the thread-guide element (41) that is associated with yarn gripper (40) is so that guide weft yarn (4,50) into described yarn gripper (40).
According to claim 12 or 13 described wire sending grippers, it is characterized in that 14, described wire sending gripper (2) is included in yarn gripper (40) relative with described groove (20) in the pick process of weft yarn (4,50).
15, according to each described wire sending gripper in the claim 12 to 14, it is characterized in that, described yarn gripper (40) interacts with the thread-guide element (41) that is used for described yarn gripper (40), and described thread-guide element moves through the described groove (20) in the described deflection guiding device (3) so that pick up the weft yarn (4,50) that is laid on the described deflection guiding device (3) in the pick process of weft yarn (4,50).
According to each described wire sending gripper in the claim 12 to 15, it is characterized in that 16, the described thread-guide element (41) that is used for described yarn gripper (40) is that the yarn clipping element (42) by described yarn gripper (40) forms.
According to each described wire sending gripper in the claim 12 to 16, it is characterized in that 17, described yarn gripper (40) comprises two yarn clipping elements (42,43), described two yarn clipping elements are arranged so that can relative to each other move also stressed toward each other.
18, according to each described wire sending gripper in the claim 12 to 17, it is characterized in that, described wire sending gripper (2) comprise the lower flank (17) that is positioned at described wire sending gripper (2) location setting element (32) and be positioned at the yarn gripper (40) of location of the upper flap (18) of described wire sending gripper (2) so that the weft yarn in the described wire sending gripper (2) (4,50) is positioned.
19, wire sending gripper according to claim 18 is characterized in that, described setting element (32) is that the collar (54) by the described lower flank (17) that is arranged in described wire sending gripper (2) forms.
20, according to each described wire sending gripper in the claim 12 to 19, it is characterized in that, the described thread-guide element (41) that is used for described yarn gripper (40) is arranged, so that the weft yarn (4,50) that is picked up by described wire sending gripper (2) is at first being moved with described thread-guide element (41) contact and with described thread-guide element before described yarn gripper (40) clamping.
21, according to each described wire sending gripper in the claim 12 to 20, it is characterized in that, described setting element (32) is arranged with respect to described yarn gripper (40), so that the weft yarn (4,50) that is picked up by described wire sending gripper (2) is at first being contacted with described setting element (32) by before described yarn gripper (40) clamping.
22, according to each described wire sending gripper in the claim 12 to 21, it is characterized in that, the described upper flap (18) that described yarn gripper (40) is positioned at described wire sending gripper (2) goes up and can interact with yarn gripper deploying device (28), described yarn gripper deploying device can be disposed in contiguous described upper flap (18) thus the position open the described yarn gripper (40) of the specific location that is positioned at described wire sending gripper (2) along the moving direction (A) of described wire sending gripper (2).
23, according to each described wire sending gripper in the claim 12 to 22, it is characterized in that, described wire sending gripper (2) is attached on the arrow shaft band (16) via described lower flank (17), and described fell (9) be sent described wire sending gripper (2) into and be sent to described arrow shaft band can along the described moving direction (A) of described wire sending gripper (2).
24, the deflection guiding device that is used for gripper shuttle loom, it is characterized in that, described deflection guiding device (3) comprises groove (20), the thread-guide element (41) that is used for the yarn gripper (40) of wire sending gripper (2) can move through described groove in the pick process of weft yarn (4,50), and described weft yarn is laid on the marginal portion of the described groove (20) in the described deflection guiding device (3).
25, deflection guiding device according to claim 24 is characterized in that, described deflection guiding device (3) comprises groove (20), and described groove is relative with the described thread-guide element (41) of the yarn gripper that is used for wire sending gripper (2) (40).
26, according to claim 24 or 25 described deflection guiding devices, it is characterized in that, described deflection guiding device (3) comprises groove (20), and by described wire sending gripper (2) when picking up, described groove is relative with the yarn gripper (40) of wire sending gripper (2) at weft yarn (4,50).
27, according to each described deflection guiding device in the claim 24 to 26, it is characterized in that described deflection guiding device (3) comprises plate (23), in described plate, formed groove (20).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE2007/0087A BE1017477A3 (en) | 2007-02-26 | 2007-02-26 | A GRIJPER WEAVING MACHINE WITH A GRAINER AND A BENDING GUIDE. |
| BE2007/0087 | 2007-02-26 | ||
| PCT/EP2008/001490 WO2008104355A1 (en) | 2007-02-26 | 2008-02-26 | A gripper weaving machine provided with a bringer gripper and a deflecting guide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101668885A true CN101668885A (en) | 2010-03-10 |
| CN101668885B CN101668885B (en) | 2011-10-05 |
Family
ID=38578451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008800062212A Active CN101668885B (en) | 2007-02-26 | 2008-02-26 | A gripper weaving machine provided with a bringer gripper and a deflecting guide |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2122027B1 (en) |
| CN (1) | CN101668885B (en) |
| BE (1) | BE1017477A3 (en) |
| WO (1) | WO2008104355A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102947497A (en) * | 2010-04-02 | 2013-02-27 | 必佳乐公司 | Drive and method for driving gripper carriers |
| CN112639192A (en) * | 2018-09-11 | 2021-04-09 | 林道尔·多尼尔有限责任公司 | Loom with weft color selection device |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008027140A1 (en) | 2008-05-30 | 2009-12-03 | Picanol N.V. | Method for cutting weft by weaving machine, particularly rapier loom, by opening and closing cutting device, involves forming cutting device for textile edge by movement of reed so that weft is guided over closed cutting device |
| DE102008027131A1 (en) | 2008-05-30 | 2009-12-03 | Picanol N.V. | Device for separating weft thread, has two blades, by which drives are moved relative to each other in allocation or for executing separation process, and drive is designed as pneumatic drive |
| ITPD20110249A1 (en) * | 2011-07-21 | 2013-01-22 | Smit Textile S P A | TEXTILE FRAME WITH SINGLE CALIPER |
| BE1023978B1 (en) * | 2016-03-25 | 2017-09-28 | Picanol N.V. | GRIPPER FOR A GRIPPER WEAVING MACHINE |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3042053C1 (en) * | 1980-11-07 | 1982-11-11 | Lindauer Dornier-Gesellschaft Mbh, 8990 Lindau | Non-contact weaving machine with weft insertion by insertion grippers which are advanced into the shed and withdrawn again |
| EP0584429B1 (en) * | 1992-08-25 | 1997-06-11 | GIVIDI Italia S.p.A. | Thread clamp for a feeding gripper and gripper loom with thread clamp |
| DE59705563D1 (en) * | 1996-06-07 | 2002-01-10 | Picanol Nv | ENCODER GRIPPER FOR A GRIPPER WEAVING MACHINE |
| IT1303764B1 (en) * | 1998-11-17 | 2001-02-23 | S M I T S R L Societa Macchine | CLAMP OF PIPES FOR FRAMES WITHOUT SHUTTLE PARTICULARLY SUITABLE FOR THE CONTEMPORARY INTRODUCTION OF MORE PLOTS INTO THE ORDER MOUTH |
| ATE544892T1 (en) * | 2002-09-20 | 2012-02-15 | Picanol | ENCODER GRIPPER FOR A CLIPPER WEAVING MACHINE |
-
2007
- 2007-02-26 BE BE2007/0087A patent/BE1017477A3/en active
-
2008
- 2008-02-26 WO PCT/EP2008/001490 patent/WO2008104355A1/en active Application Filing
- 2008-02-26 EP EP08707803A patent/EP2122027B1/en active Active
- 2008-02-26 CN CN2008800062212A patent/CN101668885B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102947497A (en) * | 2010-04-02 | 2013-02-27 | 必佳乐公司 | Drive and method for driving gripper carriers |
| CN102947497B (en) * | 2010-04-02 | 2014-11-12 | 必佳乐公司 | Drive and method for driving gripper carriers |
| CN112639192A (en) * | 2018-09-11 | 2021-04-09 | 林道尔·多尼尔有限责任公司 | Loom with weft color selection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101668885B (en) | 2011-10-05 |
| EP2122027A1 (en) | 2009-11-25 |
| EP2122027B1 (en) | 2012-06-27 |
| BE1017477A3 (en) | 2008-10-07 |
| WO2008104355A1 (en) | 2008-09-04 |
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