CN103003479A - Gripper and weft thread insertion device for a rapier weaving machine - Google Patents
Gripper and weft thread insertion device for a rapier weaving machine Download PDFInfo
- Publication number
- CN103003479A CN103003479A CN2011800354937A CN201180035493A CN103003479A CN 103003479 A CN103003479 A CN 103003479A CN 2011800354937 A CN2011800354937 A CN 2011800354937A CN 201180035493 A CN201180035493 A CN 201180035493A CN 103003479 A CN103003479 A CN 103003479A
- Authority
- CN
- China
- Prior art keywords
- axle
- jaw
- turning round
- projectile shuttle
- 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.)
- Granted
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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 projectile shuttle that is used for gripper shuttle loom of according to 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, by sending shuttle (bring gripper) to insert race from a side, then general transferring in about centre position of race is subjected to shuttle (fetch gripper) to parallel, subsequently parallel is extracted out from race by shuttle usually.In these two projectile shuttles, there are the projectile shuttle parts that are formed at the projectile shuttle head.Projectile shuttle moves along the guide member that is connected to reed.
Known a kind of projectile shuttle for inserting parallel from WO 2000/070136A, 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 is configured to turn round the axle spring, so that an end of turning round the axle spring is connected to shaft portion in the mode of rotatable locking, and the other end is connected to the sheet rotating hook bobbin case by actuator devices.Found that this embodiment is favourable, because parallel stands less stress, so mean and to use very responsive yarn.In WO 2000/070136A, proposed to be used for clamping the mechanical actuation elements of tongue, it is shifted by actuator component, and mechanically activates the clamping tongue.Yet, since WO 2000/070136A, significantly increased about the requirement of the insertion frequency of parallel, so that this scheme no longer meets the demands.
The parallel insertion apparatus of another kind of type as can be known from EP-A-0690160, wherein, the 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 be used to sending shuttle and the guide member that is subjected to shuttle.Yet as any other had the sheet shuttle device of permanent magnet, the sheet shuttle device of EP-A-0690160 had shortcoming, and the almost uncontrollable power impact that occurs when being guided through (guidethrough) is easy to cause stress at parallel.
In order to reduce the stress of parallel, CH-A-556930 has proposed projectile shuttle is constructed with movably clamping section and fixing contrary bearing (counter bearing), and this contrary bearing has cushion and the wear-resisting base portion that is contained in 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, problem has appearred in practice, especially the problem about wearing and tearing.
Summary of the invention
The present invention's purpose is to improve to be used for parallel is inserted the sheet shuttle device of the gripper shuttle loom of the above-mentioned type, and guarantees to pick up reliably yarn under high parallel insertion frequency.
Can realize this purpose by as claimed in claim 1 shuttle device.At first, measure of the present invention has result-clamping tongue and can mildly operate on parallel, especially under high operating frequency.In addition, projectile shuttle of the present invention guarantee loom reliably, fault-free ground and low wearing and tearing ground operation, even under high actuating speed.
The advantageous embodiment of projectile shuttle of the present invention is as described in the claim 2 to 11.
Advantageously, the mechanical actuation elements that prior art is known is used for being independent of permanent magnet assembly and makes and turn round axle (torsion rod) and reverse (twisting), discharges from jaw will clamp tongue.Especially, this allows to adjust, manually inserts the eliminating of yarn and maintenance and fault.According to favourable embodiment, the jaw that jaw is configured to fix is turned round axle and is arranged in the shell.
In theory, two opposite polarity permanent magnets are arranged in symmetrically to be turned round around the axle, so that displacement force can be fully and directly is used for reversing axle.Still be arranged between two opposite polarity permanent magnets although turn round axle, turn round axle and also might be shifted a little, so that the displacement of permanent magnet also causes turning round reversing 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, so that the displacement of permanent magnet also causes turning round reversing of axle, easier so like this manufacturing.
In favourable embodiment, clamp tongue and turn round axle and directly be connected, and can significantly reverse around the axis of turning round axle (substantially twistable), clamp tongue owing to being subject to pre-applied force and the butt jaw, and can discharge from jaw by turning round reversing of axle.For this target, can be provided for the pre-applied force of turning round axle and the device that is used for regulating clamping force.
In the very favourable alternate embodiment of the present invention, clamping tongue can pivot with respect to turning round the substantial transverse position of axle axis by another spring, the butt jaw owing to the pre-applied force that is subject to described another spring, and can discharge from jaw by turning round reversing of axle.For this target, turn round axle and have the guiding device that serves as lever, cam or chute (coulisse) device, by turning round reversing of axle, this guiding device makes and clamps the tongue resistance by pivoting clamping the pre-applied force on the tongue that another spring pre-applied force causes, thereby discharges the clamping 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 the 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 Technology design of size, shape, material, thereby known choice criteria can be used without restriction in corresponding Application Areas.
Description of drawings
Below with reference to schematic figures example of the present invention is described in more detail, in the accompanying drawing:
Fig. 1 is the view of the originality projectile shuttle of the present invention's the first example;
Fig. 2 is the view that dissects projectile shuttle along the cutting line A-A of Fig. 1;
Fig. 3 is the view that dissects 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 the projectile shuttle frame 18, is guided along race 13, comprises shell, has the clamping section that clamps tongue 3 and be used for manually or mechanically activating the actuating that clamps tongue 3 being with 4.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 being connected 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 the axle 1 and do not overlap with magnet 14 and 15.Therefore, easier manufacturing electric machine assembly.
Now, when projectile shuttle when one of turning point (turning points) is located through fixed magnets 7, because being subject to acting on motor-driven power on two projectile shuttle magnets 14 and 15 by magnet 7, turn round axle 1 resistance pre-applied force and reverse, thereby when passing through in the short time, open clamping section 11 by discharging clamping tongue 3 from jaw 17, and then discharge parallel 12 or allow parallel to enter clamping section 11.Therefore, utilize the combination of sending shuttle and being subjected to shuttle, finish in known manner parallel and pass on., owing to turn round the pre-applied force of axle 1, clamp tongue and reset after return the influence area of permanent magnet 7 in magnet unit (electric motor units) 16.
Generally speaking, regulate clamping force according to the characteristic of parallel.
In the alternate embodiment that Fig. 5 is schematically shown, because being subject to acting on motor-driven power on two projectile shuttle magnets 14 and 15 by magnet 7, turn round axle 1 resistance pre-applied force and reverse, thereby when passing through in the short time, utilize the action of cam or chute 23, clamp tongues 24 and open the described clamping tongue of clamping section 11(24 and be subject to pre-applied force by spring by lifting to clamp tongue 24 and then discharge from jaw 17, and supported by bearing or anchor clamps 25), like this, just discharge weft yarn 12 or allow weft yarn 12 to enter the clamping section.In this embodiment, the clamping tongue 24 of arranging according to the structure of " directly " anchor clamps pivots around the axis that is arranged in the substantial transverse position of turning round the axle axis, and pivots around the axis of turning round axle unlike above-described embodiment.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 the 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 anchor clamps of tongue
Claims (11)
1. projectile shuttle that is used 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 the position, perhaps shift out and pass on the position and enter transmission location for parallel, wherein, described projectile shuttle has the yarn folder, described yarn anchor clamps have and movably clamp tongue (3,24) and jaw, described movably clip tongue (3,24) be subject to pre-applied force by flexible member at clamped position, 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, so that described clamping tongue is turned round reversing of axle (1) and can be discharged from described jaw (17) by described, it is characterized in that described yarn folder also has the permanent magnet assembly (6,14 along described sliding rail, 15), described permanent magnet assembly be configured to by be arranged in described sliding rail on corresponding relative magnet (7) cooperation, make and describedly turn round that axle reverses and discharge described clamping tongue (3,24) from described jaw (17).
2. projectile shuttle as claimed in claim 1 is characterized in that, provides actuation element (4) for being independent of described permanent magnet assembly (6,14,15) and reversing the described axle of turning round, to discharge described clamping tongue (3) from described jaw (17).
3. projectile shuttle as claimed in claim 1 or 2 is characterized in that, the jaw that described jaw is configured to fix (17).
4. such as the arbitrary described projectile shuttle of claims 1 to 3, it is characterized in that the described axle (1) of turning round is arranged in the shell.
5. such as the arbitrary described projectile shuttle of claim 1 to 4, it is characterized in that, described permanent magnet assembly (6,14,15) comprise two opposite polarity permanent magnets (14,15), the described axle (1) of turning round is arranged between described two opposite polarity permanent magnets, so that the displacement of described permanent magnet (14,15) causes described the reversing of axle (1) of turning round.
6. such as the arbitrary described projectile shuttle of claim 1 to 4, it is characterized in that, described permanent magnet assembly (6,14,15) comprise two opposite polarity permanent magnets (14,15), each permanent magnet all has extension component, the described axle (1) of turning round is arranged between the described extension component, so that the displacement of described permanent magnet (6) causes described the reversing of axle (1) of turning round.
7. such as the arbitrary described projectile shuttle of claim 1 to 6, it is characterized in that, described clamping tongue (3) directly is connected with the described axle (1) of turning round, and can significantly reverse around the described axis of turning round axle (1), described clamping tongue (3) is owing to be subject to described pre-applied force and the described jaw of butt (17), and turns round reversing of axle (1) and can discharge from described jaw by described.
8. projectile shuttle as claimed in claim 7 is characterized in that, is provided for the pre-applied force of turning round axle and then the device that is used for regulating clamping force.
9. such as the arbitrary described projectile shuttle of claim 1 to 6, it is characterized in that, described clamping tongue (24) can pivot with respect to the substantial transverse position of turning round axle (1) axis, because the pre-applied force of another spring and the described jaw of butt (17), and can turn round reversing 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) are turned round reversing of axle (1) and are made described clamping tongue (24) revolt its pre-applied force to pivot by described, and then discharge described clamping tongue from described jaw (17).
11. projectile shuttle as claimed in claim 10, it is characterized in that, described bar, cam or chute device (23) are configured to described merogenesis guide channel or the like configurations of turning round axle (1), and described merogenesis guide channel or like configurations cause the described described jaw of clamping tongue butt (17) 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 true CN103003479A (en) | 2013-03-27 |
| CN103003479B 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) |
Cited By (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 |
| CN110209069A (en) * | 2019-06-28 | 2019-09-06 | 武汉纺织大学 | A kind of magnetic suspension projectile shuttle precision wefting insertion control method and system, the information processing terminal |
Citations (8)
| 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 |
| WO2000070136A1 (en) * | 1999-05-17 | 2000-11-23 | Textilma Ag | Gripper and device for picking a weft yarn |
| 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 |
| 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 |
Family Cites Families (1)
| 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 |
-
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 (8)
| 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 |
| WO2000070136A1 (en) * | 1999-05-17 | 2000-11-23 | Textilma Ag | Gripper and device for picking a weft yarn |
| 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 |
| 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 |
Cited By (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 |
| CN110209069A (en) * | 2019-06-28 | 2019-09-06 | 武汉纺织大学 | A kind of magnetic suspension projectile shuttle precision wefting insertion control method and system, the information processing terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2388361A1 (en) | 2011-11-23 |
| BR112012029307A2 (en) | 2016-07-26 |
| EP2572022B1 (en) | 2015-10-28 |
| EP2572022A2 (en) | 2013-03-27 |
| CN103003479B (en) | 2014-05-07 |
| WO2011144368A2 (en) | 2011-11-24 |
| WO2011144368A3 (en) | 2012-01-19 |
| HK1178578A1 (en) | 2013-09-13 |
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