CN101525800B - Woof-intersecting device for weaving machine - Google Patents
Woof-intersecting device for weaving machine Download PDFInfo
- Publication number
- CN101525800B CN101525800B CN2009100387615A CN200910038761A CN101525800B CN 101525800 B CN101525800 B CN 101525800B CN 2009100387615 A CN2009100387615 A CN 2009100387615A CN 200910038761 A CN200910038761 A CN 200910038761A CN 101525800 B CN101525800 B CN 101525800B
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- Prior art keywords
- main shaft
- latitude
- weft
- loom
- woof
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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
- D03D47/271—Rapiers
- D03D47/272—Rapier bands
-
- 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
- D03D47/275—Drive mechanisms
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Abstract
The invention provides a woof-intersecting method and a device thereof for a weaving machine. The method utilizes the motion phase difference between a woof-feeding gripper head and a woof-receiving gripper head, enables the woof-receiving gripper head to move to a limit position in the advance direction and enables yarn brought by the woof-feeding gripper head to get across a yarn-hooking head of the woof-receiving gripper head so that the woof-receiving gripper head starts to retreat, the woof-feeding gripper head still advances to a limit position in the advance direction to finish yarn intersection before the woof-feeding gripper head retreats until the yarn is finished. The device comprises a woof-feeding mechanism and a woof-receiving mechanism which are respectively arranged at both sides of a weaving machine main shaft, and a relative mounting angle between the weaving machine main shaft and a woof-feeding main shaft fixing part at one end of the weaving machine main shaft is larger than a relative mounting angle between the weaving machine main shaft and a woof-receiving main shaft fixing part at the other end of the weaving machine main shaft. The invention enables the tension of the yarn to have little change during the yarn intersection, does not influence the detection of a yarn-stopping device, improves the success rate of the yarn intersection, reduces false yarn stops due to the high-speed motion of the weaving machine and can improve the rotating speed of the weaving machine so as to improve the production efficiency.
Description
Technical field
The present invention relates to the Rapier looms technical field, particularly a kind of loom Woof-intersecting method and device thereof.
Background technology
The handing-over latitude of Rapier looms is generally finished by the mechanism of weft-sending sword head, weft-recepting sword head, left and right sides sword belt wheel and the motion of drive sword belt wheel at present.The method that adopts is to turn to when selecting the latitude angle when loom main shaft, weft-sending sword head clamps weft yarn and moves in the Warp opening that has formed at high speed, when weft-sending sword head arrives the loom middle part, weft-recepting sword head is also arrived in simultaneously, this moment, weft yarn was crossed the hook loose thread of weft-recepting sword head end, weft-sending sword head then, weft-recepting sword head again simultaneously to the movement outside of loom (promptly to weft-sending sword head, the backhaul direction motion of weft-recepting sword head), finish the handing-over of weft yarn from the weft-sending sword head to the weft-recepting sword head, loom is rotated further, until the steel latitude of cramping, so far this wefting insertion finishes, and finishes one and is made into the cycle.Under this handing-over latitude mode; it is very big that weft yarn certainly will Oscillation Amplitude in handing-over latitude process; therefore the tension force sudden change of handing-over weft yarn during latitude and irregular causes easily that staplings, wrong report latitude stop or join faults such as latitude is bad, influence product quality and cause loom production efficiency very low.Simultaneously, the loom rotating speed is fast more, and handing-over latitude bad phenomenon is just obvious more, has therefore also greatly limited loom and has moved with high rotating speed.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of loom Woof-intersecting method is provided, this method can make weft yarn very little in the tension variation that handing-over is subjected to during latitude, can effectively reduce faults such as the handing-over latitude is bad, thereby the high speed that guarantees loom is weaved.
Another object of the present invention is to provide a kind of loom handing-over Weft handling device that is used for said method, the tension variation that weft yarn is subjected to when the handing-over latitude is very little, and this apparatus structure is simple, and equipment cost is low.
The present invention is achieved through the following technical solutions: a kind of loom Woof-intersecting method, and utilize the motion phase of weft-sending sword head and weft-recepting sword head poor, weft yarn is joined smoothly, specifically may further comprise the steps:
(1) starts loom, after weft-sending sword head is finished and selected latitude, be with weft yarn and weft-recepting sword head to go in the same direction;
When (2) weft-recepting sword head arrived the extreme position of its direction of advance, the weft yarn that the weft-sending sword head band was crossed the hook loose thread of weft-recepting sword head, weft yarn handing-over beginning;
(3) weft-recepting sword head begins to do setback after arriving the extreme position of its direction of advance, and this moment, weft-sending sword head still advanced towards the direction that weft-recepting sword head retreats, and until the extreme position that arrives its direction of advance, the weft yarn handing-over finishes;
(4) weft-sending sword head begins to do setback after arriving the extreme position of its direction of advance, send latitude to finish until this.
In the process of described weft yarn handing-over, the speed of weft-recepting sword head begins to quicken by zero, and it is zero that weft-sending sword head then is decelerated to speed gradually.
To be weft-recepting sword head change the residing position of weft-recepting sword head when the loom movement outside into by lateral movement in loom to the extreme position of described weft-recepting sword head direction of advance; Correspondingly, to be weft-sending sword head change the residing position of weft-sending sword head when the loom movement outside into by lateral movement in loom to the extreme position of described weft-sending sword head direction of advance.
Above method utilizes the motion phase of weft-sending sword head and weft-recepting sword head poor, after making weft yarn handing-over beginning, the direction of weft-sending sword head and weft-recepting sword head is consistent within a certain period of time, the extreme position that arrives its direction of advance until weft-sending sword head is just finished the weft yarn handing-over, this just make weft-recepting sword head can be like a cork with weft yarn handing-over smoothly from weft-sending sword head, and the motion of weft-sending sword head and weft-recepting sword head is all controlled by the rotational angle of loom main shaft in this process; On equipment, then be by loom main shaft in the regulator respectively be located at the relative installation angle that send latitude main shaft fixture and connect latitude main shaft fixture in its two ends respectively and realize, send latitude main shaft fixture, connect latitude main shaft fixture respectively with send latitude mechanism, meet latitude mechanism and be connected, so loom main shaft and two relative installation angles that send latitude main shaft fixture, connect latitude main shaft fixture have also just been controlled the motion of weft-sending sword head and weft-recepting sword head.
A kind of loom handing-over Weft handling device that is used for said method of the present invention, comprise and be located at sending latitude mechanism and meeting latitude mechanism of loom main shaft both sides, send latitude mechanism to comprise the weft-sending sword head that connects successively, send the latitude sword belt and send the latitude transmission component, meet latitude mechanism and comprise the weft-recepting sword head that connects successively, connect the latitude sword belt and connect the latitude transmission component, described loom main shaft two ends are respectively equipped with to be sent latitude main shaft fixture and connects latitude main shaft fixture, and respectively with send the latitude transmission component and connect the latitude transmission component and be connected, loom main shaft and the relative installation angle that send latitude main shaft fixture are greater than loom main shaft and the relative installation angle that connects latitude main shaft fixture.
Describedly send the latitude transmission component and/or connect the latitude transmission component, include and shake connector, fork, connecting rod, sector gear, sword wheel axle gear and sword wheel, wherein fork is located to shake on the connector and by connecting rod and is connected with sector gear, and sector gear is connected with the sword wheel axle gear of being located at sword wheel center.
The described connector that shakes is a reel cage.
The described latitude main shaft fixture that send is a crank, and the described latitude main shaft fixture that connects is a crank.
Described loom main shaft is bigger with the relative installation angle that connects latitude main shaft fixture than loom main shaft with the relative installation angle that send latitude main shaft fixture, and its angle that differs is the acute angle of≤25 degree.
As preferred version, described loom main shaft is spent than loom main shaft and the relative installation angle that connects latitude main shaft fixture big 5～20 with the relative installation angle that send latitude main shaft fixture.
The above two sizes that angle is installed relatively all can be regulated according to actual needs.
When handing-over Weft handling device of the present invention is worked, because loom main shaft is fixedlyed connected with crank, so crank also rotated together when loom main shaft rotated, drive the swing of reel cage and fork simultaneously, fork drives the sector gear motion by connecting rod, sector gear drives the sword wheel by the sword wheel axle gear and rotates, thereby controls the motion of sending the latitude sword belt and connecing the latitude sword belt respectively; In this process, by setting the relative installation angle of adjusting between loom main shaft and two overhung cranks thereof respectively, when making the loom main shaft rotation, because the differential seat angle that angle exists is installed at two ends relatively, weft-sending sword head and weft-recepting sword head exist motion phase poor, so realized the smooth handing-over of weft yarn.
Compared with prior art, the present invention has following beneficial effect:
Weft-sending sword head of the present invention, weft-recepting sword head has adopted the Woof-intersecting method of motion phase difference, when the handing-over latitude, when weft-recepting sword head begins to do setback, weft-sending sword head still continues to advance towards the direction of motion of weft-recepting sword head with weft yarn, smoothly the weft yarn in the weft-sending sword head is joined until weft-recepting sword head, this just makes when the handing-over latitude, the tension variation of weft yarn becomes very little, detection to weft protector can not bring any influence, improve the success rate of handing-over latitude, reduce because the wrong report latitude that the loom high-speed motion brings stops, can improve the rotating speed of loom, thereby enhance productivity; Simultaneously, loom handing-over Weft handling device of the present invention, it is simple in structure, and is reliable, and operating efficiency is higher.
Description of drawings
Fig. 1 is the motion schematic diagram of preceding weft-sending sword head of weft yarn handing-over of the present invention and weft-recepting sword head.
Fig. 2 crosses the structural representation of weft-recepting sword head hook loose thread for weft-sending sword head in the weft yarn handing-over of the present invention.
The motion schematic diagram of weft-sending sword head and weft-recepting sword head when Fig. 3 joins for weft yarn of the present invention.
Fig. 4 is the motion schematic diagram of weft yarn handing-over back weft-sending sword head of the present invention and weft-recepting sword head.
Fig. 5 is the speed of weft-sending sword head of the present invention, weft-recepting sword head and the graph of a relation of loom rotational angle.
Fig. 6 is the enlarged drawing of loom when the handing-over latitude among Fig. 5.
Fig. 7 is the acceleration of weft-sending sword head of the present invention, weft-recepting sword head and the graph of a relation of loom rotational angle.
Fig. 8 is the structural representation of this loom handing-over Weft handling device.
Fig. 9 is A-A line of vision figure among 0 Fig. 1 when spending for loom main shaft and the relative installation angle of crank.
Figure 10 is not A-A line of vision figure among 0 Fig. 1 when spending for loom main shaft and the relative installation angle of crank.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
A kind of Woof-intersecting method of present embodiment utilizes the motion phase official post weft yarn of weft-sending sword head and weft-recepting sword head to join smoothly, specifically may further comprise the steps:
(1) start loom, after weft-sending sword head is finished and selected latitude, be with weft yarn and weft-recepting sword head to go in the same direction, this process as shown in Figure 1, among the figure 1 for the sword wheel, 2 for weft yarn, 3 be that weft-sending sword head, 5 is a weft-recepting sword head for sending latitude sword belt, 4;
When (2) loom main shaft turns an angle, weft-recepting sword head 5 arrives the extreme position of its direction of advance, this moment weft-sending sword head 4 with weft yarn 2 cross the hook loose thread of weft-recepting sword head 5, the structure of weft-sending sword head 4 and weft-recepting sword head 5 joints as shown in Figure 2, weft yarn handing-over beginning;
(3) after weft-recepting sword head 5 arrives the extreme position of its direction of advance, begin to do setback, this moment, weft-sending sword head 4 still advanced towards the direction that weft-recepting sword head 5 retreats, this process as shown in Figure 3, turn to the extreme angles of weft-sending sword head 4 until loom main shaft, be the extreme position that weft-sending sword head 4 arrives its direction of advance, the weft yarn handing-over finishes; In the process of this weft yarn handing-over, the speed of weft-recepting sword head 5 begins to quicken by zero, and it is zero that 4 of weft-sending sword heads are decelerated to speed gradually;
(4) after weft-sending sword head 4 arrives the extreme position of its directions of advance, begin to do setback, this process as shown in Figure 4, weft-sending sword head 4 and weft-recepting sword head 5 are all done setback in this process, finish until this latitude.
Above method is utilized the phase difference between weft-sending sword head 4 and the weft-recepting sword head 5, after making weft yarn handing-over beginning, weft-sending sword head 4 is consistent with the direction of weft-recepting sword head 5 within a certain period of time, just finish the weft yarn handing-over until the extreme position that weft-sending sword head 4 arrives its direction of advance, this just make weft-recepting sword head 5 can be like a cork with weft yarn handing-over smoothly from weft-sending sword head, and the motion of weft-sending sword head and weft-recepting sword head is all controlled by the rotational angle of loom in this process; On equipment, then be by loom main shaft in the regulator respectively be located at the relative installation angle that send latitude main shaft fixture and connect latitude main shaft fixture in its two ends respectively and realize, send latitude main shaft fixture, connect latitude main shaft fixture respectively with send latitude mechanism, meet latitude mechanism and be connected, so loom main shaft and two relative installation angles that send latitude main shaft fixture, connect latitude main shaft fixture have also just been controlled the motion of weft-sending sword head and weft-recepting sword head.As the speed of weft-sending sword head, weft-recepting sword head among Fig. 5,6 and the graph of a relation of loom rotational angle, and among Fig. 7 shown in the graph of a relation of the acceleration of weft-sending sword head, weft-recepting sword head and loom rotational angle (solid line is that weft-sending sword head, dotted line are weft-recepting sword head among the figure), all there are certain phase difference in speed, the acceleration that can obviously see weft-sending sword head and weft-recepting sword head, make the weft yarn handshaking easily to finish smoothly, reduce the tension variation of weft yarn.
A kind of loom handing-over Weft handling device that is used for said method of present embodiment, its structure as shown in Figure 8, comprise and be located at sending latitude mechanism and meeting latitude mechanism of loom main shaft 7 both sides, send latitude mechanism to comprise the weft-sending sword head 4 that connects successively, send latitude sword belt 3 and send the latitude transmission component, meet latitude mechanism and comprise the weft-recepting sword head 5 that connects successively, connect latitude sword belt 6 and connect the latitude transmission component, wherein loom main shaft 7 two ends are respectively equipped with and send latitude main shaft fixture and connect latitude main shaft fixture (send latitude main shaft fixture in the present embodiment and connect latitude main shaft fixture and be respectively the crank 8 of being located at loom main shaft 7 two ends), and respectively with send the latitude transmission component and connect the latitude transmission component and be connected, loom main shaft 7 and the relative installation angle that send latitude main shaft fixture are greater than loom main shaft 7 and the relative installation angle that connects latitude main shaft fixture.
Send the latitude transmission component and/or connect the latitude transmission component, include and shake connector (being reel cage 9), fork 10, connecting rod 11, sector gear 12, sword wheel axle gear 13 and sword wheel 1, wherein fork 10 is located to shake on the connector and by connecting rod 11 and is connected with sector gear 12, and sector gear 12 is connected with the sword wheel axle gear 13 of being located at sword wheel center.
Above loom main shaft 7 is bigger with the relative installation angle that connects latitude main shaft fixture than loom main shaft 7 with the relative installation angle that send latitude main shaft fixture, and its angle that differs is the acute angle of≤25 degree.
As preferred version, loom main shaft 7 is spent than loom main shaft 7 and the relative installation angle that connects latitude main shaft fixture big 5～20 with the relative installation angle that send latitude main shaft fixture.
The above two sizes that angle is installed relatively, all can regulate according to actual needs, be illustrated in figure 9 as relative installation angle and be the installment state of 0 loom main shaft 7 when spending and crank 8, the installment state of loom main shaft 7 and crank 8 when angle being installed as shown in figure 10 relatively being a (0＜a≤25 degree).
During the work of this handing-over Weft handling device, because loom main shaft 7 is fixedlyed connected with crank 8, so crank 8 also rotated together when loom main shaft 7 rotated, drive reel cage 9 and fork 10 swings simultaneously, fork 10 drives sector gear 12 motions by connecting rod 11, sector gear 12 drives sword wheel 1 by sword wheel axle gear 13 and rotates, thereby controls the motion of sending latitude sword belt 3 and connecing latitude sword belt 6 respectively; In this process, by setting the relative installation angle of adjusting between loom main shaft 7 and two overhung cranks 8 thereof respectively, when making loom main shaft 7 rotations, because the differential seat angle that angle exists is installed at two ends relatively, weft-sending sword head 4 and weft-recepting sword head 5 exist motion phase poor, so realized the smooth handing-over of weft yarn 2.
As mentioned above, just can realize the present invention preferably, the foregoing description is preferred embodiment of the present invention only, is not to be used for limiting practical range of the present invention; Be that all equalizations of doing according to content of the present invention change and modification, all contained by claim of the present invention scope required for protection.
Claims (5)
1. loom handing-over Weft handling device, comprise and be located at sending latitude mechanism and meeting latitude mechanism of loom main shaft both sides, send latitude mechanism to comprise the weft-sending sword head that connects successively, send the latitude sword belt and send the latitude transmission component, meet latitude mechanism and comprise the weft-recepting sword head that connects successively, connect the latitude sword belt and connect the latitude transmission component, it is characterized in that, described loom main shaft two ends are respectively equipped with to be sent latitude main shaft fixture and connects latitude main shaft fixture, and respectively with send the latitude transmission component and connect the latitude transmission component and be connected, loom main shaft and the relative installation angle that send latitude main shaft fixture are greater than loom main shaft and the relative installation angle that connects latitude main shaft fixture; Described loom main shaft is bigger with the relative installation angle that connects latitude main shaft fixture than loom main shaft with the relative installation angle that send latitude main shaft fixture, and its angle that differs is the acute angle of≤25 degree.
2. loom handing-over Weft handling device according to claim 1, it is characterized in that, describedly send the latitude transmission component and/or connect the latitude transmission component, include and shake connector, fork, connecting rod, sector gear, sword wheel axle gear and sword wheel, wherein fork is located to shake on the connector and by connecting rod and is connected with sector gear, and sector gear is connected with the sword wheel axle gear of being located at sword wheel center.
3. loom handing-over Weft handling device according to claim 2 is characterized in that the described connector that shakes is a reel cage.
4. loom handing-over Weft handling device according to claim 1 is characterized in that the described latitude main shaft fixture that send is a crank, and the described latitude main shaft fixture that connects is a crank.
5. loom handing-over Weft handling device according to claim 1 is characterized in that, described loom main shaft is spent than loom main shaft and the relative installation angle that connects latitude main shaft fixture big 5～20 with the relative installation angle that send latitude main shaft fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100387615A CN101525800B (en) | 2009-04-20 | 2009-04-20 | Woof-intersecting device for weaving machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100387615A CN101525800B (en) | 2009-04-20 | 2009-04-20 | Woof-intersecting device for weaving machine |
Publications (2)
| Publication Number | Publication Date |
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| CN101525800A CN101525800A (en) | 2009-09-09 |
| CN101525800B true CN101525800B (en) | 2011-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100387615A Expired - Fee Related CN101525800B (en) | 2009-04-20 | 2009-04-20 | Woof-intersecting device for weaving machine |
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| CN (1) | CN101525800B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1019271A3 (en) * | 2010-04-02 | 2012-05-08 | Picanol Nv | DRIVE AND METHOD FOR DRIVING DRIVER CARRIERS. |
| CN103409890B (en) * | 2013-07-18 | 2014-11-05 | 江南大学 | Weft delivering feeding device for weaving bending-free fabric |
| CN103451829A (en) * | 2013-09-24 | 2013-12-18 | 虞放河 | Carrier rapier head baseplate of rapier loom |
| CN104975410A (en) * | 2014-10-23 | 2015-10-14 | 铜陵梧桐树农业发展有限公司 | Weft connecting sword used for rapier loom |
| CN105671748B (en) * | 2016-03-23 | 2017-06-23 | 浙江万利纺织机械有限公司 | The spindle assemblies and left and right wefting insertion phase adjusting method of a kind of rapier loom |
| CN109322045B (en) * | 2018-11-09 | 2024-02-23 | 江苏理工学院 | Weft feeding device and weft insertion device of rapier loom |
| CN111058158A (en) * | 2019-11-29 | 2020-04-24 | 无锡市鼎麒新材料科技有限公司 | Rapier handing-over mechanism and method of composite material preform broad-width loom |
| CN117188017B (en) * | 2023-09-18 | 2025-11-04 | 天津工业大学 | A method for controlling the weft yarn intersection of rapier insertion |
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| CN2747238Y (en) * | 2004-12-01 | 2005-12-21 | 江苏省高淳纺织机械有限公司 | Picking device for rapier loom |
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| CN2747238Y (en) * | 2004-12-01 | 2005-12-21 | 江苏省高淳纺织机械有限公司 | Picking device for rapier loom |
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| CN101086100A (en) * | 2007-07-09 | 2007-12-12 | 江阴市第四纺织机械制造有限公司 | Spatial crank rocker weft insertion device for rapier loom |
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| CN101525800A (en) | 2009-09-09 |
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Owner name: LIN DONG Free format text: FORMER OWNER: ZENGCHENG BAIDI INNOVATION + DEVELOPMENT CO., LTD. Effective date: 20120221 |
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Effective date of registration: 20120221 Address after: 511340, room 33, building 2001, emerald oasis Peninsula, Xintang Town, Zengcheng, Guangdong Patentee after: Lin Dong Address before: 511340 Henggang new industrial zone, Xintang Town, Zengcheng, Guangdong Patentee before: Zengcheng Baidi Innovation & Development Co., Ltd. |
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