CN2892901Y - Let-off mechanism utilizing positive warp loosing for water jet loom - Google Patents
Let-off mechanism utilizing positive warp loosing for water jet loom Download PDFInfo
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- CN2892901Y CN2892901Y CN 200620082905 CN200620082905U CN2892901Y CN 2892901 Y CN2892901 Y CN 2892901Y CN 200620082905 CN200620082905 CN 200620082905 CN 200620082905 U CN200620082905 U CN 200620082905U CN 2892901 Y CN2892901 Y CN 2892901Y
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- water jet
- fork
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Abstract
The utility model discloses a spray loom whose let-off mechanism adopts a positive loose warp and comprises a gear, an opening mechanism, a propulsion mechanism adopting high-speed water shooting flow to drive the weft yarn through the warp yarn shuttle opening, a let-off mechanism, a rolling and picking mechanism, and a edge spinning mechanism. A heavy hammer arm is provided with a heavy hammer with a heavy hammer rod; the heavy hammer is in driving connection with the control rod of the limitless transmission speeder; a back beam roller of the let-off mechanism is arranged at the middle of a swing arm; the upper end of the swing arm is hinged on the back beam support through an axis; a rocker is provided and driven by a crank shaft mechanism or eccentric mechanism which is operated at the same time with the mainframe axis; the rocker is hinged at the lower part of the swing arm; a strain connecting rod is also arranged and with one end fixed on the hinge axis between the swing arm and the back beam support and the other end hinged with the heavy hammer arm. The positive let-off method can keep the advantages of the existing technique of passive let-off method on real time regulating to make the warp yarn strain keep a normal status, and can also overcome the defects of the passive let-off method of being easy to cause the part strain of the warp yarn increased, and is more applicable for weaving the fine fiber textile.
Description
Technical field
The utility model relates to water jet looms, and is special relevant with the loose warp part in the water jet looms warp-feeding mechanism.
Background technology
Water jet looms is a kind of high speed shuttleless loom, comprises that transmission mechanism, shedding mechanism, employing high-speed water jet drive weft insertion device, warp-feeding mechanism, spooler and the selvage motion that weft yarn was thrown the warp thread shed open.The water jet looms warp-feeding mechanism takes following passive type loose warp mode to adjust the warp thread warp tension in the prior art: its back rest roller is arranged on the upper end of diastole arm, diastole arm top is connected on the beam bracket of back by guide roller axis is moving, one tension rail is set, tension rail closes diastole arm bottom by its tension spring termination, the hinged weight arm root joint of tension rail end, weight arm root joint end connects the control lever of buncher; The warp thread warp tension by back rest roller by the diastole arm, the diastole spring, tension rail, formation such as weight arm and movement weight rod and weight, when warp tension increases or reduces, the pressure that warp thread acts on back rest roller place changes, make the corresponding rotation of back rest roller, and then drive diastole arm, through the diastole spring, impel tension rail to rotate corresponding angle, act on the control lever that is connected buncher at last, this control lever also rotates thereupon, speed change through the buncher internal mechanism, make the linear speed of output shaft accelerate or slow down,, realize through the also corresponding quickening of axle rotating speed or slow down again through change gear group and warp let-off gear-box, make the warp thread amount of sending increase or reduce, adjust warp tension thus and recover normal; This shows, the pressure at back rest roller place changes by the warp tension increase or reduces directly to cause, the corresponding rotation of back rest roller is also facilitated by the diastole spring is collaborative on direct drive of warp thread in the opening process and the tension rail, this passive type loose warp mode has increased the warp thread partial tension virtually, cause adverse effect not only can for the formation of shed open, also be unsuitable for the manufacturing of fine count fiber fabric.
Summary of the invention
Task of the present utility model be to solve water jet looms warp-feeding mechanism in the prior art take passive type loose warp mode adjust the warp thread warp tension with technological deficiency, provide a kind of warp-feeding mechanism to take the water jet looms of active type loose warp mode.
Its technical solution is:
A kind of warp-feeding mechanism is taked the water jet looms of active type loose warp, comprises that transmission mechanism, shedding mechanism, employing high-speed water jet drive weft insertion device, warp-feeding mechanism, spooler and the selvage motion that weft yarn was thrown the warp thread shed open; The weight arm configuration is provided with the weight of movement weight rod, the control lever driving coupling of weight arm and buncher; Back rest roller in the above-mentioned warp-feeding mechanism is arranged on the middle part of a swing arm, the upper end of swing arm is hinged on the beam bracket of back by axle, one rocking bar is set, and this rocking bar is by driving with synchronous operated crank mechanism of boss rod or eccentric stiffener, and rocking bar is hinged on the bottom of swing arm; The tension force connecting rod also is set, and tension force connecting rod one end is fixed on the jointed shaft between swing arm and the butt roof beam structure, the hinged weight arm of the other end.
Above-mentioned rocking bar is made of two sections shafts, and wherein detachable capable again joining of leading portion shaft and back segment shaft is combined into the rocking bar of a plurality of preseting lengths.
Join by shaft joint between above-mentioned leading portion shaft and the back segment shaft.
Above-mentioned eccentric stiffener is nested with eccentric bushing on power output shaft, be nested with eccentric sheath body on eccentric bushing, and eccentric sheath body is connected with the back segment shaft; Above-mentioned leading portion shaft is by the hinged swing arm of oscillating bearing.
The lower semisection of above-mentioned swing arm sets gradually the hinge hole of a plurality of diverse locations from top to bottom.
The mentioned strain connecting rod is made up of top fork and lower link; The upper end of fork is fixed on the jointed shaft between swing arm and the butt roof beam structure, and the fork middle and upper part is hinged on the butt roof beam structure by rotating shaft; The lower end of the hinged fork of lower link one end, the hinged weight arm root joint of other end end.
It is that fulcrum is made reciprocally swinging with jointed shaft between itself and the butt roof beam structure that the utility model is taked to drive swing arm with rocking bar, and rocking bar by with technical approach such as synchronous operated crank mechanism of boss rod or eccentric stiffener drive, form in the process of shed open at shedding mechanism, rocking bar drives swing arm to swinging (just putting) towards the shed open direction, back rest roller corresponding swing impelling warp thread send before the shed open direction on it, warp thread is kept the slackness that suits, when this shed open is closed, rocking bar drives swing arm and deviates from shed open direction swing (backswing), back rest roller corresponding swing impelling warp thread deviates from shed open direction post-tensioning, warp thread is also kept the slackness that suits, in above-mentioned running, swing arm drives the corresponding angle of tension force connecting rod swing simultaneously by the jointed shaft at its fulcrum place, act on the control lever that is connected buncher at last by transmission of power, this control lever also rotates thereupon, speed change through the buncher internal mechanism, make the linear speed of output shaft accelerate or slow down, again through running parts such as change gear group and warp let-off gear-boxes, realization is through the also corresponding quickening of axle rotating speed or slow down, make the warp thread amount of sending increase or reduce, adjust thus and make warp tension maintenance normal condition.Above-mentioned active type loose warp mode, both can keep prior art passive type loose warp mode and adjust the advantage that makes warp tension keep normal condition in real time, can overcome the defectives such as easy increase warp thread partial tension that passive type loose warp mode is brought again, also be suitable for weaving of fine count fiber fabric more.Rocking bar is taked to constitute technical approach by two sections shafts, the detachable row again of leading portion shaft and back segment shaft joins and is combined into the rocking bar of a plurality of preseting lengths, can be whereby according to the actual needs of weaving, connect adjustment change rocking bar length with the back segment shaft in the combination of different parts by the leading portion shaft, and then realize the needs of the different amplitudes of oscillation of diastole arm.Set gradually the technical approach of a plurality of diverse location hinge holes from top to bottom at the lower semisection of swing arm, can be whereby according to the actual needs of weaving, conveniently select to adjust different hinge point between rocking bar and the swing arm, and then realize the needs that different moments are transmitted.
Description of drawings
Figure is a kind of embodiment structural principle of the utility model schematic diagram, mainly shows the warp-feeding mechanism part.
Below in conjunction with accompanying drawing the utility model is described:
The specific embodiment
A kind of warp-feeding mechanism of the utility model is taked the water jet looms of active type loose warp, its transmission mechanism, shedding mechanism, employing high-speed water jet drive weft yarn were thrown weft insertion device, spooler and the selvage motion etc. of warp thread shed open all can take the prior art mode, the improvement technology contents of warp-feeding mechanism in following content, other also all can take prior art.This no longer is specifically described.
In conjunction with diagram, in warp-feeding mechanism, weight arm 1 configuration is provided with the weight 3 of movement weight rod 2, control lever 5 driving coupling of weight arm 1 and buncher 4; Back rest roller 6 is arranged on the middle part of swing arm 7, and the upper end of swing arm 7 is hinged on the beam bracket 9 of back by axle 8; One rocking bar 10 is set, rocking bar 10 is made of two sections shafts, join by shaft coupling 103 between leading portion shaft 101 and the back segment shaft 102, leading portion shaft 101 can split at the shaft coupling place to go to join again with back segment shaft 102 and be combined into the rocking bar of a plurality of preseting lengths, rocking bar 10 is by driving with boss rod run-in synchronism eccentric stiffener, eccentric stiffener is nested with eccentric bushing 105 on power output shaft 104, on eccentric bushing 105, be nested with eccentric sheath body 106, eccentric sheath body 106 is connected with back segment shaft 102, leading portion shaft 101 is by the lower semisection of oscillating bearing 107 hinged swing arms 7, at the lower semisection of swing arm 7, set gradually the hinge hole 701 for connection of a plurality of diverse locations from top to bottom; The tension force connecting rod is made up of top fork 11 and lower link 12, the upper end of fork 11 is fixed on the jointed shaft 8 between swing arm and the butt roof beam structure, jointed shaft 8 can drive the corresponding swing of fork, fork 11 middle and upper parts are hinged on the butt roof beam structure 9 by rotating shaft 13, the lower end of the hinged fork 11 of lower link 12 1 ends, 1 joint end of the hinged weight arm of the other end.
Its operation principle roughly is:
Claims (9)
1, a kind of warp-feeding mechanism is taked the water jet looms of active type loose warp, comprises that transmission mechanism, shedding mechanism, employing high-speed water jet drive weft insertion device, warp-feeding mechanism, spooler and the selvage motion that weft yarn was thrown the warp thread shed open; The weight arm configuration is provided with the weight of movement weight rod, the control lever driving coupling of weight arm and buncher; It is characterized in that: the back rest roller in the described warp-feeding mechanism is arranged on the middle part of a swing arm, the upper end of swing arm is hinged on the beam bracket of back by axle, one rocking bar is set, and this rocking bar is by driving with synchronous operated crank mechanism of boss rod or eccentric stiffener, and rocking bar is hinged on the bottom of swing arm; The tension force connecting rod also is set, and tension force connecting rod one end is fixed on the jointed shaft between swing arm and the butt roof beam structure, the hinged weight arm of the other end.
2, warp-feeding mechanism according to claim 1 is taked the water jet looms of active type loose warp, it is characterized in that: described rocking bar is made of two sections shafts, and wherein detachable capable again joining of leading portion shaft and back segment shaft is combined into the rocking bar of a plurality of preseting lengths.
3, warp-feeding mechanism according to claim 2 is taked the water jet looms of active type loose warp, it is characterized in that: join by shaft joint between described leading portion shaft and the back segment shaft.
4, according to the arbitrary water jet looms that requires described warp-feeding mechanism to take active type loose warp of claim 1 to 3, it is characterized in that: described eccentric stiffener is nested with eccentric bushing on power output shaft, be nested with eccentric sheath body on eccentric bushing, eccentric sheath body is connected with the back segment shaft; Above-mentioned leading portion shaft is by the hinged swing arm of oscillating bearing.
5, according to the arbitrary water jet looms that requires described warp-feeding mechanism to take active type loose warp of claim 1 to 3, it is characterized in that: the lower semisection of described swing arm sets gradually the hinge hole of a plurality of diverse locations from top to bottom.
6, warp-feeding mechanism according to claim 4 is taked the water jet looms of active type loose warp, it is characterized in that: the lower semisection of described swing arm sets gradually the hinge hole of a plurality of diverse locations from top to bottom.
7, according to the arbitrary water jet looms that requires described warp-feeding mechanism to take active type loose warp of claim 1 to 3, it is characterized in that: described tension force connecting rod is made up of top fork and lower link; The upper end of fork is fixed on the jointed shaft between swing arm and the butt roof beam structure, and the fork middle and upper part is hinged on the butt roof beam structure by rotating shaft; The lower end of the hinged fork of lower link one end, the hinged weight arm root joint of other end end.
8, warp-feeding mechanism according to claim 5 is taked the water jet looms of active type loose warp, it is characterized in that: described tension force connecting rod is made up of top fork and lower link; The upper end of fork is fixed on the jointed shaft between swing arm and the butt roof beam structure, and the fork middle and upper part is hinged on the butt roof beam structure by rotating shaft; The lower end of the hinged fork of lower link one end, the hinged weight arm root joint of other end end.
9, warp-feeding mechanism according to claim 6 is taked the water jet looms of active type loose warp, it is characterized in that: described tension force connecting rod is made up of top fork and lower link; The upper end of fork is fixed on the jointed shaft between swing arm and the butt roof beam structure, and the fork middle and upper part is hinged on the butt roof beam structure by rotating shaft; The lower end of the hinged fork of lower link one end, the hinged weight arm root joint of other end end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620082905 CN2892901Y (en) | 2006-04-07 | 2006-04-07 | Let-off mechanism utilizing positive warp loosing for water jet loom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620082905 CN2892901Y (en) | 2006-04-07 | 2006-04-07 | Let-off mechanism utilizing positive warp loosing for water jet loom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2892901Y true CN2892901Y (en) | 2007-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620082905 Expired - Fee Related CN2892901Y (en) | 2006-04-07 | 2006-04-07 | Let-off mechanism utilizing positive warp loosing for water jet loom |
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| CN (1) | CN2892901Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808274A (en) * | 2012-08-20 | 2012-12-05 | 江苏万工科技集团有限公司 | Electronic warp let-off device with weight block |
| CN103215733A (en) * | 2013-04-17 | 2013-07-24 | 浙江三志纺织有限公司 | Double-let-off type composite shed water jet loom |
| CN105155110A (en) * | 2015-09-24 | 2015-12-16 | 湖州现代纺织机械有限公司 | Multifunctional warp beam back rest device |
| CN109722785A (en) * | 2019-01-08 | 2019-05-07 | 江苏天常复合材料股份有限公司 | Five axial tricot machine let-off mechanisms |
-
2006
- 2006-04-07 CN CN 200620082905 patent/CN2892901Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808274A (en) * | 2012-08-20 | 2012-12-05 | 江苏万工科技集团有限公司 | Electronic warp let-off device with weight block |
| CN103215733A (en) * | 2013-04-17 | 2013-07-24 | 浙江三志纺织有限公司 | Double-let-off type composite shed water jet loom |
| CN103215733B (en) * | 2013-04-17 | 2014-06-25 | 浙江三志纺织有限公司 | Double-let-off type composite shed water jet loom |
| CN105155110A (en) * | 2015-09-24 | 2015-12-16 | 湖州现代纺织机械有限公司 | Multifunctional warp beam back rest device |
| CN109722785A (en) * | 2019-01-08 | 2019-05-07 | 江苏天常复合材料股份有限公司 | Five axial tricot machine let-off mechanisms |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |