CN1871387A - Device for selecting and feeding weft yarns to a gripper of a rapier weaving machine - Google Patents
Device for selecting and feeding weft yarns to a gripper of a rapier weaving machine Download PDFInfo
- Publication number
- CN1871387A CN1871387A CNA2004800310981A CN200480031098A CN1871387A CN 1871387 A CN1871387 A CN 1871387A CN A2004800310981 A CNA2004800310981 A CN A2004800310981A CN 200480031098 A CN200480031098 A CN 200480031098A CN 1871387 A CN1871387 A CN 1871387A
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- China
- Prior art keywords
- yarn
- edge
- adjuster
- shut
- arrow shaft
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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
The invention relates to a device (16) for selecting and feeding weft yarns (14) to a gripper (11) of a rapier weaving machine. According to the invention, the yarn feeder (19) with its drives (20), a diverting guide (31) for the weft yarns (14), and a cutting device (24) form a pre-assembled modular unit that, for adapting to different web widths, is adjustably mounted in the direction of the web width.
Description
The present invention relates to a kind ofly be used to select weft yarn and feed device to the arrow shaft of arrow shaft formula weft thread-leading machine with weft yarn, has the yarn adjuster, it can move to the operating position from resting position by means of transmission mechanism, it remains on weft yarn on the receiving position of arrow shaft in the operating position, described device also has a static Yarn guide mechanism, and itself and each yarn adjuster limit receiving position jointly.
Usually yarn adjuster and Yarn guide mechanism are arranged on the suitable member of loom, and wherein yarn adjuster and Yarn guide mechanism are for example known from EP 0161014B1.In order to adapt to different weaving condition such as different from machine width degree, different weaving speed and the warp thread of different materials and different thicknesses, yarn adjuster and Yarn guide mechanism adjustable ground are arranged on the loom.In this version, giver (Bringergreifer) is clamped in weft yarn between selvedge and the Yarn guide mechanism and in weft yarn moves to race.
Known by EP 0906461B1, the yarn adjuster will be introduced weft yarn in the race and be placed in one and turn on the Yarn guide mechanism, and giver turns on the Yarn guide mechanism at this and moves and mistake.Giver will be clamped in the both sides that turn to Yarn guide mechanism by the weft yarn that turns to the Yarn guide mechanism guiding.
Also known (FR 1538375), sinking by the yarn adjuster forms sagging weft yarn coil downwards, this coil is positioned at the moving region that meets latitude arrow shaft (Nehmergreifer), connects latitude arrow shaft just from selecting and feeding to the opposite side insertion race of the device of weft yarn, the weft yarn that clamping is selected and the arrow shaft that is pulled through race.The yarn adjuster sets gradually into row, and the direction of motion that these row are parallel to arrow shaft distributes.The selection of the weft yarn of introducing and feed and carried out by means of a magnet, this magnet is fed and is given single adjuster by means of acting on stay cord transmission mechanism on the return spring.The pillar of yarn adjuster and actuating solenoid can in transverse to the track of loom, regulate come adaptive different at the machine width degree.
Task of the present invention is to construct a kind of device that starts described type, makes can carry out adjusting work simply and particularly carry out adaptive for different at the machine width degree.
This task solves thus, makes yarn adjuster and its transmission mechanism and Yarn guide mechanism constitute a pre-construction unit of installing, and its edge that can be arranged to loom with the fixture of adjustable installing structure unit is on the pillar that machine width degree direction is extended.When fitting in machine width and spend, only need to regulate this construction unit altogether.This is a simple working, and this can easily be implemented by operating personnel, and need not the knowledge of more deep technological process aspect.
In organization plan of the present invention, this construction unit comprises a shut-off mechanism that is used for weft yarn.When the weft yarn that introducing is provided, make it extend to conveying mechanism and at this thread-carrier by the yarn adjuster, particularly during ring, it is specially suitable that a kind of like this shut-off mechanism is arranged on this construction unit inside from selvedge always.In this case, weft yarn just must separate with the part that inweaves fabric when yarn input beginning.Require too with suitable for shut-off mechanism thus at the machine width degree.
In another kind of organization plan of the present invention, be used for adjustable ground fixedly Yarn guide mechanism instrument and/or be used for adjustable ground fixedly shut-off mechanism support or be used for adjustable ground fixedly the instrument of shut-off mechanism comprise and prevent unallowed mobile insurance institution.Stipulate that in this case the yarn adjuster just has been adjusted to end value with respect to the support of Yarn guide mechanism and/or shut-off mechanism and/or the relative adjustment of shut-off mechanism in manufactory.The user of loom just is restricted in this case, only needs the mobile adaptive different construction unit at the machine width degree that is used for.
Other features and advantages of the present invention are by obtaining in dependent claims and the following explanation to the embodiment shown in the accompanying drawing.
Fig. 1 shows by of the present invention and is used to select and feeds to the device of the weft yarn view along the wefting insertion direction;
Fig. 2 shows the vertical view by the device by Fig. 1 of the present invention;
Fig. 3-6 shows the vertical view that is similar to Fig. 2 by the embodiment of Fig. 1 and 2, is receiving weft yarn and wefting insertion between elementary period;
Fig. 7 shows a kind of view that is similar to Fig. 1 of variant embodiment;
Fig. 8 shows the perspective view by the embodiment of Fig. 7;
Fig. 9 shows the view that is similar to Fig. 1 of another kind of variant embodiment;
Figure 10 shows the vertical view by device of the present invention, and it comprises a temple and selvedge device of entrying.
Only show a arrow shaft in the actual loom and be with 10 or the arrow shaft bar in Fig. 1 and 2, it is configured to connect the arrow shaft 11 of latitude arrow shaft one of its overhang bracket.Loom is weaved a kind of fabric 15 by warp thread 12,13 and weft yarn 14, and fabric is schematically illustrated.Unshowned reed of knitting of weft yarn 14 usefulness beats up on fabric edge.In order to introduce weft yarn 14, warp thread is divided into warp thread piece 13 and following warp thread piece 12 by means of unshowned shedding motion, thereby forms race, and weft yarn 14 can be incorporated in this race.The introducing of weft yarn is carried out by means of connecing latitude arrow shaft 11, and this connects latitude arrow shaft from inserting the race with the opposed side of a side that is ready to weft yarn 14.Connecing latitude arrow shaft 11 carries one respectively, also can be many weft yarns 14 in case of necessity when it shifts out from race.
The weft yarn 14 of introducing race is selected by means of device 16 and is fed to arrow shaft 11 when wefting insertion.This device 16 has a matrix or a substrate 17, and it is fixed on one on the special-shaped guide rail 38 of wefting insertion direction extension by means of screw element 39.On this abnormal shape guide rail 38, substrate 17 can with element disposed thereon promote and be fixed on the suitable position of fabric width on.Whole device 16 therefore can be suitable with different fabric widths in very simple mode.
This device comprises the yarn adjuster 19 of aciculiform, and its transmission mechanism 20 is arranged on the support 21, and its acute angle ground of one-tenth extension downwards, makes it roughly vertically to move down.The transmission mechanism 20 of yarn adjuster 19 for example can be as disclosed structure the in EP 0598264B1, thereby yarn adjuster 19 moves between resting position A (Fig. 1) and operating position B.Yarn adjuster 19 is provided with ring 22 in its bottom respectively, has a weft yarn 14 to move by ring respectively.Weft yarn 14 extends to conveying mechanism from the selvedge of fabric 15 respectively by ring 22, for example extends to the prewashing device respectively.
On substrate 17, be provided with a lath 23, on this lath, be provided with a dividing sinker mechanism 24.This dividing sinker mechanism 24 has a disc knife 25, and it drives by means of electric notor 26.For disc knife 25 is furnished with Yarn guide mechanism in both sides, Yarn guide mechanism is made of lath 23 and guiding tongue 28,29.
Be provided with another lath 30 on device 16 substrate 17, it has constituted by means of a leg that protrudes upward and has turned to edge 31, and its direction of motion that is parallel to arrow shaft 11 is extended, just transverse to the direction of warp thread 12,13.As can be seen from Figure 1, turn to edge 31 to be arranged in an intertwined point 32 with fabric 15 and the plane of the Yarn guide mechanism that constitutes by lath 23 and guiding tongue 28,29.
As can be seen from Figure 2, substrate 17 can the direction along fabric width move in special-shaped guide rail 38.The utensil receiving opening of the retaining thread spare 39 (Fig. 2) of substrate 17 is the groovings that point to transverse to special-shaped guide rail 38, therefore also can regulate along horizontal direction.By means of this adjusting, can transverse to arrow shaft 11 regulate yarn adjusters 19 with and ring 22.Lath 23 with shut-off mechanism 24 not only can be transverse to warp thread, and can along vertical adjusting of warp thread be fixed on the substrate 17.Its position not only can laterally be regulated to the distance that turns to edge 31 edge thus, and can be to longitudinally regulating to the distance that turns to 31 ends, edge.Preferably stipulate in practice, to lath 23 with shut-off mechanism 24 and have turn to edge 31 lath 30 each other adjusting and carry out in manufactory with respect to the adjusting of adjuster, then lath 23,30 is fixed on this position, makes can not or to be difficult to change this position for the user.This for example can realize thus, the instrumental purpose face of special tectonic is set for retaining thread spare.Lead sealing also can be carried out in same this position.The user of loom can only be with whole device 16 along in the direction of machine width degree and also carry out small adjusting transverse to this direction in case of necessity.Can not be easily at its loom place transversely move in order to ensure the user in the direction of special-shaped guide rail 38 to installing 16, can be with fixing the separating on horizontal controllability and special-shaped guide rail 38, making can only be along moving installing 16 at the machine width degree on loom.
As can be seen from Figure 1, when adjuster 19 and ring 22 thereof were in resting position A, weft yarn 14 was positioned at arrow shaft 11, turns to the top of edge 31 and shut-off mechanism 24.If adjuster 19 is transformed into its operating position B, as shown in Fig. 2 to 6 for the immediate adjuster 19 of selvedge, relevant weft yarn 14 is placed on and turns on the edge 31, makes the section 14a of downward-sloping extension of weft yarn be positioned at 33 belows, tip of arrow shaft 11.Arrow shaft 11 moves past this section 14a and it is offset downward.When arrow shaft 11 was retracted again, arrow shaft was caught this yarn line segment 14a with its hook-like part 34, for this hook-like part has disposed a yarn clip board that just schematically illustrates 35 in Fig. 2 to 6.This hook-like part 34 and yarn clip board 35 are positioned at the side in the face of the section 14a of weft yarn 14, that is to say below the upper side of arrow shaft 11.
Moving back to arrow shaft 11 in the race carries the weft yarn on the section of the being received in 14a and it is being turned on the edge 31 along the direction traction to race.Arrive shut-off mechanism 24 at this weft yarn 14, weft yarn cuts off the section on being retained in selvedge in this shut-off mechanism before it introduces race.
The selection of the weft yarn of introducing 14, just adjuster 19 is transformed into its operating position B by 36 controls of a controller from its resting position A, and this controller preferably belongs to this device 16 and disposed thereon.Controller 36 obtains the instruction of control loom.This controller 36 is also connected the motor 26 of disc knife 25.
This can carry out separately when each wefting insertion or can carry out continuously during at high filling speed.
Yarn adjuster 19 sets gradually into row, only shows wherein four here.These row are parallel to the tracks of arrow shaft 11 and turn to edge 31 to extend.Because this adjuster 19 occupies identical operating position B respectively, yarn line segment 14a is at ring 22 with turn between the edge 31 with an identical angle operation, even the angle difference between ring 22 and the selvedge (Fig. 2) in side view (Fig. 1).Arrow shaft 11 is always caught yarn line segment 14a in an identical manner with its hook-like part 34 and yarn clip board 35 thus.
In pressing device of the present invention, yarn adjuster 19 moves downwards with its moving component, makes it that weft yarn is placed on and turns on the edge 31.As shown in Figure 1, this can realize thus, and adjuster 19 is pointed to an acute angle.Adjuster can certainly be set, make its vertical sensing, and only be in vertical motion.
Usually in loom, there are enough positions, so that a plurality of yarn adjusters 19 are arranged to row along direction at the machine width degree.But also yarn adjuster 19 can be arranged to multiple row.In order to realize receiving yarn line segment 14a by arrow shaft 11 as far as possible equably, suitable is, will be a little lower with respect to turning to edge 31 to separate a row weft yarn adjuster 19 that big distance the is provided with ground that sinks, make ring 22 and turn to yarn line segment 14a between the edge 31 as far as possible always with identical angle operation.But the difference slightly of angle is easy to compensate, and offsets downward because arrow shaft will be in the yarn line segment of receiving position.
Stipulate that in the embodiment shown in Fig. 1 to 6 weft yarn 14 has only when it introduces in the race again just and separates with selvedge.But also every weft yarn can be sent into dividing sinker mechanism when beating up fabric edge and separate.In this case, free end is clamped by yarn clip board.The yarn clip board of this set between selvedge and shut-off mechanism 24 is the assembly of device 16 in such an embodiment.
Will point out that also in pressing the embodiment of Fig. 1 to 7, the distance between device 16 and shut-off mechanism 24 and the fabric is too to illustrate large, this is the view in order to obtain to help understanding.But in fact can be little many distances, particularly at the operating position of yarn adjuster B with turn between the edge 31.
The embodiment that presses Fig. 7 and 8 on principle corresponding to the embodiment of Fig. 1 to 6.Be provided with the support 37 that an edge tilts towards the direction that turns to edge 31 for adjuster 19 and its transmission mechanism 20, thereby can use short generally aciculiform adjuster 19.Another difference is, has the lath 23 of shut-off mechanism 24 and have the lath 30 that turns to edge 31 to be combined into parts, and it can only move with respect to substrate 17 and adjuster 19 together.
In pressing the embodiment of Fig. 9, be provided with yarn adjuster 19, it can be swung between resting position A and operating position B by means of the transmission mechanism 20 that is configured to CD-ROM drive motor.The ring 22 of yarn adjuster 19 moves on a tracks at this, and this tracks is to a great extent corresponding to the tracks of the embodiment that presses Fig. 1 to 6 and Fig. 7 and 8.The axis 40 of CD-ROM drive motor is lower than turning to edge 31, thereby yarn line segment 14a also can be as other embodiment tensioning well, and this yarn line segment is brought on the receiving position of tracks of arrow shaft 11.
In pressing the embodiment of Figure 10, be at first that with difference replace the disc knife 25 of rotation to be provided with blade 55, it preferably has sharp blade as the shaver by the embodiment of Fig. 1 and 2.The blade 55 that is easy to change is so directed, makes the weft yarn 14 that is carried by arrow shaft 11 slip over the blade of blade 55, and cuts off thus.This shut-off mechanism 24 with static blade 55 does not need transmission mechanism.
In pressing the embodiment of Figure 10, be provided with a support 57 on substrate 17 in addition, it supports a fabric temple 56.The adjustable fixture 59 of these support 57 usefulness is fixed on the substrate 17, and is for example fixing with the retaining thread spare 59 of the clearance type thread-carrier that extends transverse to this clearance type thread-carrier that passes the clearance type thread-carrier of support 57 and matrix 17.
The selvedge device 58 of entrying is set on support 57 in the corresponding way, and it is shown in broken lines.This selvedge device 58 of entrying can be arranged on the support 57 by means of adjustable fixture in the mode that is not shown specifically.
Therefore in many cases, only need traversing carriage 17 just enough in the time of on being transformed into different fabric widths, wherein yarn adjuster 19, shut-off mechanism 24, temple 56 and the selvedge device 58 of entrying is simultaneously suitable with different fabric widths.
By the embodiment of Fig. 1 to 6, stipulate by the embodiment of Fig. 7 and 8 and in by the embodiment of Fig. 9 and embodiment by Figure 10, when the section 14a of weft yarn 14 is clamped and introduced in the race by arrow shaft 11, sail to centre position between operating position B and the resting position A for 19 go back tos at the yarn adjuster of operating position B.Having guaranteed thus to doff by the weft yarn that the yarn ring 22 that is positioned at the centre position carries out to be subjected to the interference of other weft yarn, and this weft yarn is maintained on the favourable position in the race.
Claims (13)
1. be used to select weft yarn and feed device to the arrow shaft of arrow shaft formula weft thread-leading machine with weft yarn, has the yarn adjuster, it can move to the operating position from a resting position by means of transmission mechanism, it remains on a weft yarn on the receiving position of arrow shaft in this operating position, described device also has a static Yarn guide mechanism, it defines receiving position with each yarn adjuster, it is characterized in that: described yarn adjuster (19) has constituted a preassembled construction unit with its transmission mechanism (20) and Yarn guide mechanism (31), and it can be arranged on the pillar (38) that extend in the direction of machine width degree on an edge by means of being used for adjustable fixture that construction unit is set.
2. by the described device of claim 1, it is characterized in that: described construction unit comprises a shut-off mechanism (24) that is used for weft yarn.
3. by the described device of claim 2, it is characterized in that: described shut-off mechanism (24) comprises a disc knife (25) that is connected with transmission mechanism (26).
4. by each described device of claim 1 to 3, it is characterized in that: described construction unit has one and is arranged on matrix (17) on the track (38) with fixture, is used between resting position A and operating position B basically vertically the movably support of yarn adjuster (19) (21,37) being provided with one on this matrix.
5. by each described device of claim 1 to 4, it is characterized in that: on described matrix (17), be provided with one-turn to edge (31) as Yarn guide mechanism for what the direction of motion that is installed in device in the loom-be roughly parallel to arrow shaft (11) was extended, and the resting position A of the thread-carrier (22) of yarn adjuster (19) is positioned at the top that turns to edge (31), and the operating position (B) of the thread-carrier (22) of yarn adjuster (19) is positioned at the below that turns to edge (31).
6. by the described device of claim 5, it is characterized in that: the described edge (31) that turns to is arranged on the matrix (17) with instrument, and it allows to turn to the edge transversely to move.
7. by each described device of claim 1 to 6, it is characterized in that: on described matrix (17), be provided with a support (23) that is used for shut-off mechanism (24), on its side with respect to the thread-carrier (22) that turns to edge (31) to be arranged on to deviate from yarn adjuster (19).
8. by the described device of claim 7, it is characterized in that: described support (23) or the described shut-off mechanism (24) that is used for shut-off mechanism (24) settled with instrument, and it allows transverse to turning to edge (31) and edge to turn to vertically moving of edge (31).
9. by claim 6 or 8 described devices, it is characterized in that: describedly be used for being provided with the instrument that turns to the instrument at edge (31) and/or be used to be provided with the support (23) of shut-off mechanism (24) or be used to be provided with shut-off mechanism (24) and comprise and prevent unallowed mobile insurance institution.
10. by each described device of claim 1 to 9, it is characterized in that: described yarn adjuster (19) is arranged to row successively still, and these row are parallel to and turn to edge (31) to distribute.
11. by each described device of claim 1 to 10, it is characterized in that: the construction unit of described pre-installation comprises a temple (56).
12. by each described device of claim 1 to 11, it is characterized in that: the construction unit of described pre-installation comprises the selvedge device (58) of entrying.
13. by claim 11 or 12 described devices, it is characterized in that: described temple (56) and/or the selvedge device (58) of entrying is arranged on the matrix (17) of this construction unit by means of adjustable fixture (57,59).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2003149644 DE10349644A1 (en) | 2003-10-21 | 2003-10-21 | Device for selecting and delivering weft threads to a gripper of a rapier weaving machine |
| DE10349644.0 | 2003-10-21 | ||
| PCT/EP2004/011068 WO2005047583A1 (en) | 2003-10-21 | 2004-10-05 | Device for selecting and feeding weft yarns to a gripper of a rapier weaving machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1871387A true CN1871387A (en) | 2006-11-29 |
| CN1871387B CN1871387B (en) | 2011-11-02 |
Family
ID=34529758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2004800310981A Active CN1871387B (en) | 2003-10-21 | 2004-10-05 | Device for selecting and feeding weft yarns to a gripper of a rapier weaving machine |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1680539A1 (en) |
| CN (1) | CN1871387B (en) |
| DE (1) | DE10349644A1 (en) |
| WO (1) | WO2005047583A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101736493B (en) * | 2008-11-07 | 2013-03-13 | 津田驹工业株式会社 | Weft insertion method and weft insertion device of rapier loom |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006034262A1 (en) * | 2006-07-18 | 2008-01-24 | Picanol N.V. | Device for feeding weft threads for a weaving machine |
| CN105002636B (en) * | 2015-07-31 | 2017-03-01 | 陈仲纪 | A kind of rapier loom side crops method for saving |
| CN105019109B (en) * | 2015-07-31 | 2017-02-01 | 陈仲纪 | Waste selvage material saving method for rapier loom |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3299909A (en) * | 1963-09-19 | 1967-01-24 | Golobart Ramon Balaguer | Selective weft presenting device |
| FR1538375A (en) * | 1967-06-13 | 1968-09-06 | Improvements to weaving machines | |
| DE3565132D1 (en) * | 1984-04-06 | 1988-10-27 | Picanol Nv | Weft cancellation mechanism for gripper looms |
| DE4325905C1 (en) * | 1993-08-02 | 1994-10-06 | Dornier Gmbh Lindauer | Device for feeding weft threads to a weft-thread insertion member in weaving machines |
| DE59705563D1 (en) * | 1996-06-07 | 2002-01-10 | Picanol Nv | ENCODER GRIPPER FOR A GRIPPER WEAVING MACHINE |
| BE1014135A3 (en) * | 2001-04-20 | 2003-05-06 | Wiele Michel Van De Nv | DEVICE for adducing weft threads on a rapier. |
-
2003
- 2003-10-21 DE DE2003149644 patent/DE10349644A1/en not_active Withdrawn
-
2004
- 2004-10-05 WO PCT/EP2004/011068 patent/WO2005047583A1/en active Application Filing
- 2004-10-05 CN CN2004800310981A patent/CN1871387B/en active Active
- 2004-10-05 EP EP04765800A patent/EP1680539A1/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101736493B (en) * | 2008-11-07 | 2013-03-13 | 津田驹工业株式会社 | Weft insertion method and weft insertion device of rapier loom |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2005047583A1 (en) | 2005-05-26 |
| CN1871387B (en) | 2011-11-02 |
| EP1680539A1 (en) | 2006-07-19 |
| DE10349644A1 (en) | 2005-06-02 |
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Effective date of registration: 20171121 Address after: No. 2, Song Zhuang Road, Suzhou Industrial Park, Jiangsu Patentee after: Picanol (Suzhou Industrial Park) Textile Machinery Co., Ltd. Address before: Belgium Ipanema Patentee before: Picanol N. V. |
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