CN102277679B - Material-saving weft cutting device for rapier loom - Google Patents
Material-saving weft cutting device for rapier loom Download PDFInfo
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- CN102277679B CN102277679B CN 201110164546 CN201110164546A CN102277679B CN 102277679 B CN102277679 B CN 102277679B CN 201110164546 CN201110164546 CN 201110164546 CN 201110164546 A CN201110164546 A CN 201110164546A CN 102277679 B CN102277679 B CN 102277679B
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- scissors assembly
- wheel
- saving
- latitude
- rapier looms
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Abstract
The invention discloses a material-saving weft cutting device for a rapier loom. The device comprises an upper scissors assembly, a lower scissors assembly, a transmission mechanism and a weft crimping mechanism connected with the lower scissors assembly, wherein the upper scissors assembly and the lower scissors assembly are connected to the transmission mechanism respectively; the transmission mechanism comprises a cam which is used for pushing the upper scissors assembly to actuate; the weft crimping mechanism comprises a weft pressing wheel, a driven wheel which is coaxial with the weft pressing wheel and a driving wheel which drives the driven wheel to rotate; and the weft pressing wheel is contacted with a horizontal extension section of the lower scissors assembly and unidirectionally rotates to coil wefts. The wefts which enter a scissors mouth of the weft cutting device are coiled and compacted through the unidirectional rotation of the weft pressing wheel so as to replace the effect achieved by waste edge warps which are originally used for clamping the wefts; and the weft pressing wheel can press single wefts, and can also sequentially crimp multiple wefts under the condition that the multiple wefts are not wound.
Description
Technical field
The present invention relates to a kind of textile machine, particularly relate to the Weft handling device of cutting of Rapier looms, it comprises scissors assembly, lower scissors assembly and transmission mechanism; Described upper scissors assembly, lower scissors assembly are connected on the described transmission mechanism; Described transmission mechanism comprises the cam that promotes upper scissors assembly action.
Background technology
Rapier looms is by sending the latitude sword and connecing the latitude sword parallel and warp knitting are in the same place.In the process of weaving cotton cloth, when beating up, have enough tension force in order to make parallel, prevent from causing substandard products cloth because the elasticity of parallel is retracted, often arrange through the sideline on the body both sides, be generally the 12-16 root, many even want 30, play the effect that this place's parallel is clamped.By through the sideline clamping being carried out at the parallel two ends, produced the slitter edge of certain size at the body two ends, cause the waste of a large amount of graticules.The waste that forms like this, being wasted between the 5-60 unit of every Rapier looms every day calculated according to 10 months production day in 1 year, and every Rapier looms had probably been wasted 1500-18000 unit in 1 year, domestic this Rapier looms estimates at ten thousand of 400-800, and waste in a year estimates at hundred million yuan of hundreds ofs.
In order to reduce the waste of slitter edge, the patent No. is that the United States Patent (USP) of US6058980 discloses a kind of Rapier looms slitter edge cutting method, it is arranged one without the warp interval by dividing in main warp line body one side, parallel enters the shed open of warp main body, enters a clamping device and is cut off after beating up by the described parallel that beats up.In this patent, what its clamping device adopted is the device that air draught and folder latitude harden and close, and clamping device is clamped parallel when namely working, and is one one mode of closing during work, and it is only suitable for the situation at single latitude; If in the time of two parallel alternations, first parallel is jammed, when second parallel pushes, clamping device will open, can not clamp first parallel like that, first parallel disengaging this moment clamping device is sucked by suction nozzle, waits for and send latitude mechanism again the parallel that holds to be sent into knitting zone.This mode is to play the mode of economical with materials, but also have simultaneously two insurmountable shortcomings: 1, when parallel more than more than twice, the parallel that is inhaled into is because under the effect of stream swirl, several parallels can tangle knotting together, if at this time send latitude mechanism that parallel is wherein sent into knitting zone, can take simultaneously other or several parallels out of, thereby produce fault, cause the generation of substandard products cloth.2, owing to adopt the negative-pressure air-suction machine, need to drive with extra electric power the continuous running of negative-pressure air-suction machine, this itself has also produced the waste on a kind of electric power, often the power of this negative-pressure air-suction machine is not little, general little also about 100W, if continuous running, perhaps the electricity charge that consumed in a day 24 hours have howed than the material cost height of saving.
The patent No. is recycling method and the device that the United States Patent (USP) of US6227254 discloses a kind of slitter edge warp thread of Rapier looms, comprise the slitter edge of continuous circulation warp thread is provided, slitter edge is cut off after parallel enters chief editor's warp knitting, and slitter edge separates the weft yarn termination of cutting off through a separator from the slitter edge warp thread.This slitter edge free yarn feeding device, during use and Rapier looms be installed together, substituted original slitter edge warp yarn at the slitter edge position of line alternative fabrics both sides by warp thread, and recycle, avoid to a certain extent the waste of warp yarn and can reduce production cost for the braiding of many parallels, but substituted the slitter edge warp yarn owing to it substitutes line with warp thread, need complicated yarn and the separating mechanism of turning, it is very not convenient to install, use.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of Rapier looms slitter edge material-saving device, by cutting mechanism that energy is involved in parallel and compress of Weft handling device increase, be involved in and compress to substitute former slitter edge warp for clamping weft threads cuts the scissors mouth of device to entering latitude parallel, make parallel when beating up, have enough tension force, simultaneously, prevent parallel at the elastical retraction that beats up before finishing, adopt the slitter edge waste that forms through the sideline clamping weft threads thereby reduce.
Another object of the present invention is to press the control of latitude time by Rapier looms displacement spare, improves the accuracy of pressing latitude, and easy to adjust; Further, need not extra power consumption.
Technical scheme of the present invention is: a kind of material-saving of Rapier looms is cut Weft handling device, comprises scissors assembly, lower scissors assembly and transmission mechanism; Described upper scissors assembly, lower scissors assembly are connected on the described transmission mechanism; Described transmission mechanism comprises the cam that promotes upper scissors assembly action; It comprises a parallel rolling-press mechanism that is connected with described lower scissors assembly; Described parallel rolling-press mechanism comprises that one presses latitude wheel, to take turns the driving wheel that coaxial follower and drives described follower rotation with described pressure latitude; Described pressure latitude wheel is contacted with the one-directional rotation that also parallel is involved on the horizontal dip section of described lower scissors assembly.To enter latitude by the one-directional rotation of pressing the latitude wheel and cut parallel in the scissors mouth of device and be involved in and compress, with the effect of alternative former slitter edge warp for clamping weft threads; It can not only press latitude to single parallel, also can carry out the sequential volume pressure and the problem that many parallels twine can not occur many parallels.
As preferably, described pressure latitude wheel and follower are articulated on the described lower scissors assembly by a unilateral bearing; Described follower is a gear; Described driving wheel be one be articulated on the described lower scissors assembly and with the sector gear of described follower engagement; Described sector gear is provided with a fork, and described swing link end part is provided with a collision block; Described parallel rolling-press mechanism comprises that one is connected in the back-moving spring between described sector gear and the lower scissors assembly.Drive described pressure latitude wheel by the sector gear that swings and rotate, big dragon that can be by Rapier looms intermittently enters control to the swing of sector gear, has not only utilized the power of former Rapier looms, and more accurate to pressing the latitude wheel to be involved in the time control of parallel.
As preferably, described parallel rolling-press mechanism comprises that one connects the driving belt of described follower and driving wheel, and described driving wheel is arranged in the rotating shaft of described cam.By being rotated by the wheel of the camshaft band dynamic pressure latitude on the former Rapier looms, not only utilized the power of former Rapier looms, and transmission mechanism is simpler, noise is still less.
As preferably, described sector gear is inside engaged gear, makes the structure of parallel rolling-press mechanism compacter.
As preferably, on described lower scissors assembly, also be provided with a limit latitude plate that is positioned at downside before the described pressure latitude wheel, limited parallel and pressed latitude to take turns to be involved in opposite side, cause the parallel card fault of breaking.
As preferably, be provided with gum cover outside described pressure latitude is taken turns, thereby increase the frictional force of pressing latitude wheel and parallel.
As preferably, be provided with the hairbrush that is formed by thin undercoat at the excircle of described pressure latitude wheel, when pressing the latitude wheel to rotate, parallel makes many parallels keep separation under the combing of described hairbrush, avoids better many parallels to twine.
Utilize parallel rolling-press mechanism of the present invention to substitute former slitter edge warp to the clamping of latitude: 1, to save slitter edge warp and the slitter edge parallel material that is used for clamping weft threads; 2, adopt the relevant movement parts of arrow shaft to carry out time control, press latitude accurate, easy to adjust; 3, omit the slitter edge hose coiling mechanism of having removed Rapier looms; 4, the Rapier looms that can be used for single latitude and many latitudes type; 5, adopt the power of Rapier looms self, need not extra power consumption.
Description of drawings
Fig. 1 is the front view of the embodiment of the invention one;
Fig. 2 is the enlarged drawing at A place among Fig. 1;
Fig. 3 is the rearview of the embodiment of the invention one;
Fig. 4 is the left view of the embodiment of the invention one;
Fig. 5 is the work schematic diagram of the embodiment of the invention one on Rapier looms;
Fig. 6 is the overlook work schematic diagram of the embodiment of the invention one on Rapier looms;
Fig. 7 is the front view of the embodiment of the invention two;
Fig. 8 is the rearview of the embodiment of the invention two;
Fig. 9 is the left view of the embodiment of the invention two;
Wherein, transmission case 1, cam 2, trace 3, upper scissors bar 4, upper scissors assembly 5, lower scissors holder 6, lower scissors assembly 7, press latitude wheel 8, unilateral bearing 9, follower 10, driving wheel 11, interior engaging tooth 1101, fork 1102, percussion hammer 1103, back-moving spring 12, driving belt 13, limit latitude plate 14, scissors stage clip 20, big dragon 21, lead hook 22, reed 23, weave cotton cloth 30, parallel 31.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
Embodiment one
Referring to Fig. 1, a kind of material-saving of Rapier looms is cut Weft handling device, comprises scissors assembly 5, lower scissors assembly 7, is arranged on the parallel rolling-press mechanism on the lower scissors assembly 7 and drives the transmission mechanism that upper scissors assembly 5 moves.Lower scissors assembly 7 fixes with transmission case 1 by a lower scissors holder 6 and is connected; Upper scissors assembly 5 by upper scissors bar 4 are connected with trace with transmission case 1 on cam 2 be connected as movable contact, and cooperate with lower scissors assembly 7 and cut off action do folding by being arranged on scissors stage clip 20 between upper scissors bar 4 and the lower scissors holder 6.
Referring to Fig. 2, the parallel rolling-press mechanism presses the latitude frame to be arranged on the lower scissors holder 6 of lower scissors assembly 7 by one, and it comprises that one presses latitude wheel 8, to make to press latitude wheel 8 to be articulated in the unilateral bearing 9, of pressing on the latitude frame and making one-directional rotation to be arranged on to press latitude to take turns the follower 10 of 8 axle heads and drives the driving wheel 11 that follower 10 is made one-directional rotation.In the present embodiment, follower 10 is a gear, and driving wheel 11 is one to be provided with the sector gear of interior engaging tooth 1101.This sector gear is provided with a fork 1102, is provided with a percussion hammer 1103 in the end of fork 1102.Sector gear and fork 1102 are articulated on the pressure latitude frame by the axis hole in the middle of it and a back-moving spring 12 are set between the pressing plate of sector gear and lower scissors holder 6.Fork 1102 is hang, and its percussion hammer 1103 positions are corresponding with the big dragon position on the Rapier looms.
Referring to Fig. 3 and Fig. 4, press latitude wheel 8 be positioned at lower scissors assembly 7 horizontal dip sections directly over, and with it contact, axially to stretch into direction consistent with lower scissors assembly 7 levels for it.The width of pressing the latitude wheel less than lower scissors assembly 7 horizontal dip sections length, its excircle is provided with flexible gum cover, and is provided with thin undercoat at gum cover.
Be provided with a limit latitude plate 14 away from lower scissors sheet place on lower scissors assembly 7 horizontal dip sections, these limit latitude plate 14 horizontal sextant angles are about 45 degree and are positioned at the below, front side of pressing latitude wheel 8, and to take turns 8 excircle tangent lines parallel with the pressure latitude.
Referring to Fig. 5 and Fig. 6, the present invention cooperates with big dragon on the Rapier looms and presses the latitude action.The Weft handling device of cutting that comprises scissors assembly 5 and lower scissors assembly 7 is positioned at a side of weaving cotton cloth, enter the shed open that is formed by warp when parallel 31 is sending under the effect of (not showing on the figure) of latitude sword parallel 31 to be passed to lead hook 22, parallel enters the knife-edge part of cutting of lower scissors assembly 7 simultaneously in the motion of big dragon 21.This moment, the percussion hammer 1103 on the fork 1102 was subjected to make counter-clockwise swing under the bump of big dragon 21, the gear that sector gear drives as follower 10 rotates counterclockwise, and the parallel of cutting knife-edge part 31 that is in lower scissors assembly 7 is involved under the drive of pressing latitude wheel 8 presses the latitude wheel 8 times.Enter shed open and parallel 31 beats up by reed 23.When the beating up of reed 23, because parallel 31 upstream ends are pressed latitude wheel 8 to push down, provide the tension force of parallel when beating up.This presses volume of 8 pairs of parallels of latitude wheel to press, and has substituted fully in the prior art by slitter edge through the clamping action to parallel, thereby has saved warp and the parallel material of slitter edge, thereby realized the material-saving of Rapier looms.
Reed 23 retreats after finishing and beating up, and sector gear resets clockwise under back-moving spring 12 effect and rotates and drive also clockwise rotates as the gear of follower.At this moment, because the effect of unilateral bearing, follower 10 can not be with dynamic pressure latitude wheel 8 also to clockwise rotate, and parallel 31 is still pressed latitude wheel 8 to push down.And at this moment, upper scissors assembly 5 closes up the parallel of cutting off the side of weaving cotton cloth downwards under the effect of cam.One end of the parallel after cutting off is still pressed latitude wheel 8 to push down, and waits for that the latitude that send next time moves.
When entering many parallels and weave, many parallels can be pressed successively latitude wheel 8 to be involved in and be pushed down, and limit latitude plates 14 effects below the latitude wheel 8 are lower can not to be rolled to the opposite side of pressing latitude wheel 8 by pressing, thereby avoid the winding of many parallels.Simultaneously, the thin undercoat on the gum cover also helps the combing of many parallels, makes it can not twine.
Embodiment two
In the present embodiment, all the other structures are all identical with embodiment with pressure latitude operation principle except the type of drive difference of pressing latitude wheel 8.
Referring to Fig. 7-Fig. 9, in the present embodiment, follower 10 drives by a belt 13, and its driving wheel 11 is arranged on the axle of cam 2.Press latitude wheel 8 to rotate by belt 13 drivings, the impact noise of big dragon 21 and percussion hammer 1103 in the time of can reducing embodiment one work.
Specific embodiment only illustrates and adopts the operation principle that comprises the parallel rolling-press mechanism of pressing the latitude wheel among the present invention, it is not the restriction to this mechanism, under the prerequisite that does not break away from aim of the present invention, driving the mode of pressing latitude wheel 8 to rotate can have various variations, and all these will be included within the scope of this claim the apparent modification of described those skilled in the art.
Claims (9)
1. the material-saving of a Rapier looms is cut Weft handling device, comprises scissors assembly, lower scissors assembly and transmission mechanism; Described upper scissors assembly, lower scissors assembly are connected on the described transmission mechanism; Described transmission mechanism comprises the cam that promotes upper scissors assembly action; It is characterized in that: it comprises a parallel rolling-press mechanism that is connected with described lower scissors assembly; Described parallel rolling-press mechanism comprises that one presses latitude wheel, to take turns the driving wheel that coaxial follower and drives described follower rotation with described pressure latitude; Described pressure latitude wheel is contacted with the one-directional rotation that also parallel is involved on the horizontal dip section of described lower scissors assembly; Described pressure latitude wheel and follower are articulated on the described lower scissors assembly by a unilateral bearing; Described follower is a gear; Described driving wheel be one be articulated on the described lower scissors assembly and with the sector gear of described follower engagement; Described sector gear is provided with a fork, and described swing link end part is provided with a collision block; Described parallel rolling-press mechanism comprises that one is connected in the back-moving spring between described sector gear and the lower scissors assembly.
2. the material-saving of Rapier looms according to claim 1 is cut Weft handling device, it is characterized in that: described sector gear is inside engaged gear.
3. the material-saving of Rapier looms according to claim 1 and 2 is cut Weft handling device, it is characterized in that: also be provided with a limit latitude plate that is positioned at downside before the described pressure latitude wheel on described lower scissors assembly.
4. the material-saving of Rapier looms according to claim 1 and 2 is cut Weft handling device, it is characterized in that: the outer gum cover that is provided with of described pressure latitude wheel.
5. the material-saving of Rapier looms according to claim 3 is cut Weft handling device, it is characterized in that: the outer gum cover that is provided with of described pressure latitude wheel.
6. the material-saving of Rapier looms according to claim 1 and 2 is cut Weft handling device, it is characterized in that: the excircle at described pressure latitude wheel is provided with the hairbrush that is comprised of thin undercoat.
7. the material-saving of Rapier looms according to claim 3 is cut Weft handling device, it is characterized in that: the excircle at described pressure latitude wheel is provided with the hairbrush that is comprised of thin undercoat.
8. the material-saving of Rapier looms according to claim 4 is cut Weft handling device, it is characterized in that: the excircle at described pressure latitude wheel is provided with the hairbrush that is comprised of thin undercoat.
9. the material-saving of Rapier looms according to claim 5 is cut Weft handling device, it is characterized in that: the excircle at described pressure latitude wheel is provided with the hairbrush that is comprised of thin undercoat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110164546 CN102277679B (en) | 2011-06-20 | 2011-06-20 | Material-saving weft cutting device for rapier loom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110164546 CN102277679B (en) | 2011-06-20 | 2011-06-20 | Material-saving weft cutting device for rapier loom |
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| Publication Number | Publication Date |
|---|---|
| CN102277679A CN102277679A (en) | 2011-12-14 |
| CN102277679B true CN102277679B (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110164546 Expired - Fee Related CN102277679B (en) | 2011-06-20 | 2011-06-20 | Material-saving weft cutting device for rapier loom |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995241B (en) * | 2012-12-10 | 2013-11-20 | 浙江万利纺织机械有限公司 | Device of rapier loom for preventing weft yarn end from winding on warp |
| CN105002636B (en) * | 2015-07-31 | 2017-03-01 | 陈仲纪 | A kind of rapier loom side crops method for saving |
| CN105019109B (en) * | 2015-07-31 | 2017-02-01 | 陈仲纪 | Waste selvage material saving method for rapier loom |
| CN108620977B (en) * | 2018-04-26 | 2019-09-03 | 重庆市永川区华益机械铸造有限责任公司 | A kind of processing unit (plant) of casting |
| CN114836879B (en) * | 2022-03-28 | 2023-10-03 | 浙江丰华实业股份有限公司 | Beating-up device applied to weaving equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191029757A (en) * | 1910-12-22 | 1911-10-26 | British Northrop Loom Co | Improvements in Thread Removing Devices connected with Thread Parting Mechanism Employed in Automatic Weft Replenishing Looms. |
| JP2762132B2 (en) * | 1989-10-04 | 1998-06-04 | 津田駒工業株式会社 | Weft insertion device for rapier looms |
| CN201151779Y (en) * | 2008-01-21 | 2008-11-19 | 陈仲纪 | Movable scissors device for rapier loom |
| CN101307524B (en) * | 2008-06-27 | 2010-10-20 | 李伟民 | Weft accumulator for loom |
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2011
- 2011-06-20 CN CN 201110164546 patent/CN102277679B/en not_active Expired - Fee Related
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Granted publication date: 20130227 Termination date: 20170620 |