CN103003479B - Gripper and weft thread insertion device for rapier weaving machine - Google Patents
Gripper and weft thread insertion device for rapier weaving machine Download PDFInfo
- Publication number
- CN103003479B CN103003479B CN201180035493.7A CN201180035493A CN103003479B CN 103003479 B CN103003479 B CN 103003479B CN 201180035493 A CN201180035493 A CN 201180035493A CN 103003479 B CN103003479 B CN 103003479B
- Authority
- CN
- China
- Prior art keywords
- axle
- jaw
- shuttle
- clamping tongue
- projectile shuttle
- 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.)
- Expired - Fee Related
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Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/12—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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Abstract
The gripper has a thread clamp with a continued permanent magnetic device (6) which cooperates with a counter magnet (7) for twisting a torsion bar (1) and release a clamping tongue (3) of a clamping jaw. An actuator (4) is provided for rotating the torsion bar regardless of the permanent magnetic device. The clamping jaw is designed as a fixed jaw.
Description
Technical field
The present invention relates to a kind of according to the projectile shuttle for gripper shuttle loom of claim 1 preamble.In addition, the present invention relates to a kind of parallel insertion apparatus with corresponding projectile shuttle.
Background technology
In gripper shuttle loom, parallel conventionally, by sending shuttle (bring gripper) to insert race from a side, then generally transfers to and is subject to shuttle (fetch gripper) in about centre position of race, subsequently parallel is extracted out from race by shuttle.In these two projectile shuttles, there are the projectile shuttle parts that are formed at projectile shuttle head.Projectile shuttle moves along the guide member that is connected to reed.
Known from WO 2000/070136A a kind of for inserting the projectile shuttle of parallel, this projectile shuttle has pivotable clamping tongue, and this clamping tongue is connected to rotatable shaft portion, and stands the action of torsionspring and clamp parallel.In WO 2000/070136A, proposed torsionspring to be configured to turn round axle spring, the one end that makes to turn round axle spring is connected to shaft portion in the mode of rotatable locking, and the other end is connected to sheet rotating hook bobbin case by actuator devices.Found that this embodiment is favourable, because parallel stands less stress, so mean and can also use very responsive yarn.In WO 2000/070136A, proposed for clamping the mechanical actuation elements of tongue, it is shifted by actuator component, and mechanically activates clamping tongue.Yet, since WO 2000/070136A, about the requirement of the insertion frequency of parallel, significantly increased, this scheme is no longer met the demands.
The parallel insertion apparatus of known another kind of type from EP-A-0690160, wherein, projectile shuttle parts are arranged to permanent magnet, under the action of the calutron of appropriate structuring, this permanent magnet provides projectile shuttle head difference controlled opening and closing, and this calutron is positioned for sending shuttle and the guide member that is subject to shuttle.Yet as any other has the sheet shuttle device of permanent magnet, the sheet shuttle device of EP-A-0690160 has shortcoming, the almost uncontrollable power impact occurring when being guided through (guidethrough) is easy to cause stress on parallel.
In order to reduce the stress of parallel, CH-A-556930 has proposed projectile shuttle to be configured with movably clamping section and fixing contrary bearing (counter bearing), and this has cushion against bearing and is contained in wear-resisting base portion wherein with floating.The salient point of the embodiment that CH-A-556930 proposes is: base portion is by means of the elasticity of its shape and cushion locked (clamping), thereby base portion is replaced or removed in permission.Yet, there is in practice problem, especially the problem about wearing and tearing.
Summary of the invention
The present invention's object is to improve for parallel being inserted to the sheet shuttle device of the gripper shuttle loom of the above-mentioned type, and guarantees to insert under frequency and pick up reliably yarn at high parallel.
By as claimed in claim 1 shuttle device, can realize this object.First, measure of the present invention has result-clamping tongue and can on parallel, mildly operate, especially under high operating frequency.In addition, projectile shuttle of the present invention guarantee loom reliably, trouble-freely with low wearing and tearing operate, even under high actuating speed.
The advantageous embodiment of projectile shuttle of the present invention is as described in claim 2 to 11.
Advantageously, the known mechanical actuation elements of prior art is used for being independent of permanent magnet assembly and makes to turn round axle (torsion rod) and reverse (twisting), will clamp tongue, from jaw, discharge.Especially, this allows to adjust, manually inserts yarn and maintenance and fault eliminating.According to favourable embodiment, jaw is configured to fixing jaw, turns round axle and is arranged in shell.
In theory, two opposite polarity permanent magnets are arranged in symmetrically to be turned round around axle, makes the displacement force can be fully and directly for turning round axle.Although turn round axle, be still arranged between two opposite polarity permanent magnets, turn round also likely displacement a little of axle, make the displacement of permanent magnet also cause turning round the torsion of axle.In addition, if it is farther and be arranged between the extension component of opposite polarity permanent magnet to turn round axle displacement, make the displacement of permanent magnet also cause turning round the torsion of axle, so so more easily manufacture.
In favourable embodiment, clamp tongue and turn round axle and be directly connected, and can significantly reverse around the axis of turning round axle (substantially twistable), clamping tongue is butt jaw owing to being subject to pre-applied force, and can discharge from jaw by turning round the torsion of axle.For this target, can be provided for turning round the pre-applied force of axle and for regulating the device of clamping force.
In the very favourable alternate embodiment of the present invention, clamping tongue can be by another spring with respect to turning round the substantial transverse position pivotable of axle axis, the butt jaw owing to being subject to the pre-applied force of described another spring, and can from jaw, discharge by turning round the torsion of axle.For this target, turn round axle and there is the guiding device that serves as lever, cam or chute (coulisse) device, by turning round the torsion of axle, this guiding device makes to clamp tongue resistance causes by another spring pre-applied force clamping pre-applied force on tongue pivotable, thereby discharges and clamp tongue from jaw.Advantageously, this can realize by a kind of structure, wherein, lever, cam or chute device are configured to turn round merogenesis guide channel (segment wise chamfer) or the like configurations of axle, and this merogenesis guide channel or like configurations of turning round axle causes clamping tongue butt jaw by gripper tongue.The insertion of parallel and independent activatable yarn folder and the structure of turning round axle that works independently related aspect, the structure as this embodiment has significant advantage.
The special restriction that the feature that above-mentioned feature and following illustrative example of the present invention are described and characterized is not done concrete condition for use and the art designs of size, shape, material, thereby known choice criteria can be used without restriction in corresponding Application Areas.
Accompanying drawing explanation
Below with reference to schematic figures, example of the present invention is described in more detail, in accompanying drawing:
Fig. 1 is the view of the originality projectile shuttle of the present invention's the first example;
Fig. 2 dissects the view of projectile shuttle along the cutting line A-A of Fig. 1;
Fig. 3 dissects the view of projectile shuttle along the cutting line B-B of Fig. 1;
Fig. 4 is the schematic diagram of the projectile shuttle of Fig. 1 to Fig. 3;
Fig. 5 is the schematic diagram of the projectile shuttle of the present invention's the second example.
The specific embodiment
About the first example of the present invention, referring to Fig. 1 to 3, they illustrate the projectile shuttle of this example.Projectile shuttle is arranged on gripper band or projectile shuttle frame 18, along race 13, is guided, and comprises shell, has the clamping section of clamping tongue 3 and be with 4 for manually or mechanically activating the actuating of clamping tongue 3.The shell of this projectile shuttle is made of plastics.This clamping section is made of metal, and is connected with described shell.
The manner of execution of this projectile shuttle is readily appreciated that according to the schematic diagram of Fig. 4.Turning round axle 1 is with 4 to be connected collaboratively in a conventional manner in one side and actuating.4 butt connectors 5 are with in actuating.Turning round axle 1 is connected with 15 with a pair of opposite polarity permanent magnet 14 collaboratively at its opposite side.In example, these permanent magnets 14 and 15 are arranged to the extension of magnet unit 16, and magnet unit 16 is configured to motor, wherein, are arranged in the rotating shaft of turning round on axle 1 and do not overlap with magnet 14 and 15.Therefore, more easily manufacture electric machine assembly.
Now, when projectile shuttle is when one of turning point (turning points) is located through fixed magnets 7, because being subject to acting on the motor driving force on two projectile shuttle magnets 14 and 15 by magnet 7, turn round axle 1 resistance pre-applied force and reverse, thereby while passing through in the short time, by discharging clamping tongue 3 from jaw 17, open clamping section 11, and then discharge parallel 12 or allow parallel to enter clamping section 11.Therefore, utilize the combination of sending shuttle and being subject to shuttle, complete in known manner parallel and pass on.In magnet unit (electric motor units) 16, after return the influence area of permanent magnet 7, owing to turning round the pre-applied force of axle 1, clamp tongue and reset.
Generally speaking, according to the characteristic of parallel, regulate clamping force.
In the alternate embodiment being schematically shown at Fig. 5, because being subject to acting on the motor driving force on two projectile shuttle magnets 14 and 15 by magnet 7, turn round axle 1 resistance pre-applied force and reverse, thereby while passing through in the short time, utilize the action of cam or chute 23, by lifting from, clamp tongue 24 and then discharge and clamp tongues 24 and open and clamp tongue 24 described in the 11(of clamping section and be subject to pre-applied force by spring from jaw 17, and being supported by bearing or fixture 25), like this, just discharge weft yarn 12 or allow weft yarn 12 to enter clamping section.In this embodiment, the clamping tongue 24 of arranging according to the structure of " directly " fixture is around the axis pivotable that is arranged in the substantial transverse position of turning round axle axis, and unlike above-described embodiment around the axis pivotable of turning round axle.The insertion of parallel and independent activatable yarn folder and the structure of turning round axle that works independently related aspect, the structure as this embodiment has significant advantage.
List of reference characters
1 turns round axle
2 support members
3 clamp tongue
4 activate band
5 connectors
6 magnet carriers
7 dropout magnets (fixed magnets is positioned at each turning point)
8 reed support members
11 clamping sections
12 weft yarns
13 races
14 inhale projectile shuttle magnet mutually
The 15 projectile shuttle magnets that repel each other
16 have the magnet unit of magnet 14 and 15
17 jaws
18 gripper bands and projectile shuttle frame
23 levers or cam or chute
24 serve as the clamping tongue of lever
25 clamp bearing or the fixture of tongue
Claims (11)
1. the projectile shuttle for gripper shuttle loom, described gripper shuttle loom has sliding rail, described projectile shuttle can shift out to and fro to enter for the receiving position of parallel along described sliding rail and pass on position, or shift out and pass on position and enter the transmission location for parallel, wherein, described projectile shuttle has yarn folder, described yarn fixture has and movably clamps tongue (3, 24) and jaw, the described tongue (3 that movably clamps, 24) by flexible member, at clamped position, be subject to pre-applied force, thus, described clamping tongue (3, 24) and described jaw (17) be combined into yarn folder, wherein, described clamping tongue (3, 24) with turn round axle (1) and be connected collaboratively, described clamping tongue can be discharged from described jaw (17) by the described torsion of turning round axle (1), it is characterized in that, described yarn folder also has the permanent magnet assembly (6 along described sliding rail, 14, 15), described permanent magnet assembly is configured to by corresponding relative magnet (7) cooperation with being arranged on described sliding rail, described in making, turning round axle reverses and discharges described clamping tongue (3 from described jaw (17), 24).
2. projectile shuttle as claimed in claim 1, is characterized in that, provides actuation element (4) to turn round axle described in reversing for being independent of described permanent magnet assembly (6,14,15), to discharge described clamping tongue (3) from described jaw (17).
3. projectile shuttle as claimed in claim 1 or 2, is characterized in that, described jaw is configured to fixing jaw (17).
4. projectile shuttle as claimed in claim 1 or 2, is characterized in that, described in turn round axle (1) and be arranged in shell.
5. projectile shuttle as claimed in claim 1 or 2, it is characterized in that, described permanent magnet assembly (6,14,15) comprise two opposite polarity permanent magnets (14,15), described in turn round axle (1) and be arranged between described two opposite polarity permanent magnets, make the displacement of described permanent magnet (14,15) turn round the torsion of axle (1) described in causing.
6. the projectile shuttle of stating as claim 1 or 2, it is characterized in that, described permanent magnet assembly (6,14,15) comprise two opposite polarity permanent magnets, each permanent magnet all has extension component, described in turn round axle (1) and be arranged between described extension component, make the displacement of described permanent magnet turn round the torsion of axle (1) described in causing.
7. projectile shuttle as claimed in claim 1 or 2, it is characterized in that, described clamping tongue (3) with described in turn round axle (1) and be directly connected, and can significantly reverse around the described axis of turning round axle (1), described clamping tongue (3) is jaw (17) described in butt owing to being subject to described pre-applied force, and can discharge from described jaw by the described torsion of turning round axle (1).
8. projectile shuttle as claimed in claim 7, is characterized in that, is provided for turning round the pre-applied force of axle and then for regulating the device of clamping force.
9. projectile shuttle as claimed in claim 1 or 2, it is characterized in that, described clamping tongue (24) is can pivotable with respect to the substantial transverse position of turning round axle (1) axis, the jaw (17) described in butt due to the pre-applied force of another spring, and can turn round the torsion of axle and discharge from described jaw (17) by described.
10. projectile shuttle as claimed in claim 9, it is characterized in that, the described axle (1) of turning round has lever, cam or chute device (23), described bar, cam or chute device (23) make described clamping tongue (24) revolt its pre-applied force and pivotable by the described torsion of turning round axle (1), and then discharge described clamping tongue from described jaw (17).
11. projectile shuttles as claimed in claim 10, it is characterized in that, described in described bar, cam or chute device (23) are configured to, turn round the merogenesis guide channel of axle (1), described merogenesis guide channel causes jaw (17) described in described clamping tongue butt by engaging described clamping tongue (24).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10163061.4 | 2010-05-18 | ||
| EP10163061A EP2388361A1 (en) | 2010-05-18 | 2010-05-18 | Gripper and weft thread insertion device for a rapier weaving machine |
| PCT/EP2011/053344 WO2011144368A2 (en) | 2010-05-18 | 2011-03-04 | Gripper and weft-thread insertion device for a gripper weaving machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103003479A CN103003479A (en) | 2013-03-27 |
| CN103003479B true CN103003479B (en) | 2014-05-07 |
Family
ID=42937451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180035493.7A Expired - Fee Related CN103003479B (en) | 2010-05-18 | 2011-03-04 | Gripper and weft thread insertion device for rapier weaving machine |
Country Status (5)
| Country | Link |
|---|---|
| EP (2) | EP2388361A1 (en) |
| CN (1) | CN103003479B (en) |
| BR (1) | BR112012029307A2 (en) |
| HK (1) | HK1178578A1 (en) |
| WO (1) | WO2011144368A2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105506837A (en) * | 2016-01-13 | 2016-04-20 | 东华大学 | Shuttle picking-up device of stereoscopic loom |
| CN110209069B (en) * | 2019-06-28 | 2020-03-31 | 武汉纺织大学 | Magnetic levitation gripper precise weft insertion control method and system and information processing terminal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058815A (en) * | 1991-07-27 | 1992-02-19 | 郭福成 | Magnetic force loom |
| EP0690160A1 (en) * | 1994-06-06 | 1996-01-03 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Weft insertion method and apparatus for rapier loom |
| CN1301315A (en) * | 1998-05-18 | 2001-06-27 | 泰克斯蒂尔玛股份公司 | Gripper and weft insertion device for a rapier loom |
| CN1535336A (en) * | 2001-02-16 | 2004-10-06 | 艾罗帕股份有限公司 | Method for inserting weft threads |
| CN101089268A (en) * | 2006-06-16 | 2007-12-19 | 苏尔特克斯股份公司 | Thread trapper for a gripper head |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE798958A (en) | 1972-08-14 | 1973-08-16 | Dornier Gmbh Lindauer | WEFT INSERTION DEVICE FOR SHUTTLE Looms |
| DE29908675U1 (en) | 1999-05-17 | 1999-08-12 | Textilma Ag, Hergiswil | Gripper and device for inserting a weft thread |
| WO2008052369A1 (en) * | 2006-10-30 | 2008-05-08 | Textilma Ag | Weft thread infeed device for a gripper weaving machine |
| WO2009026732A1 (en) * | 2007-08-28 | 2009-03-05 | Textilma Ag | Gripper and weft-thread insertion apparatus for a gripper weaving machine |
-
2010
- 2010-05-18 EP EP10163061A patent/EP2388361A1/en not_active Withdrawn
-
2011
- 2011-03-04 CN CN201180035493.7A patent/CN103003479B/en not_active Expired - Fee Related
- 2011-03-04 WO PCT/EP2011/053344 patent/WO2011144368A2/en active Application Filing
- 2011-03-04 EP EP11707403.9A patent/EP2572022B1/en not_active Not-in-force
- 2011-03-04 BR BR112012029307A patent/BR112012029307A2/en not_active IP Right Cessation
-
2013
- 2013-05-06 HK HK13105367.9A patent/HK1178578A1/en not_active IP Right Cessation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058815A (en) * | 1991-07-27 | 1992-02-19 | 郭福成 | Magnetic force loom |
| EP0690160A1 (en) * | 1994-06-06 | 1996-01-03 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Weft insertion method and apparatus for rapier loom |
| CN1301315A (en) * | 1998-05-18 | 2001-06-27 | 泰克斯蒂尔玛股份公司 | Gripper and weft insertion device for a rapier loom |
| CN1535336A (en) * | 2001-02-16 | 2004-10-06 | 艾罗帕股份有限公司 | Method for inserting weft threads |
| CN101089268A (en) * | 2006-06-16 | 2007-12-19 | 苏尔特克斯股份公司 | Thread trapper for a gripper head |
Also Published As
| Publication number | Publication date |
|---|---|
| BR112012029307A2 (en) | 2016-07-26 |
| WO2011144368A3 (en) | 2012-01-19 |
| WO2011144368A2 (en) | 2011-11-24 |
| HK1178578A1 (en) | 2013-09-13 |
| CN103003479A (en) | 2013-03-27 |
| EP2572022A2 (en) | 2013-03-27 |
| EP2388361A1 (en) | 2011-11-23 |
| EP2572022B1 (en) | 2015-10-28 |
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