CN204111992U - A kind of air-jet loom machinery drafting system - Google Patents
A kind of air-jet loom machinery drafting system Download PDFInfo
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- CN204111992U CN204111992U CN201420579123.0U CN201420579123U CN204111992U CN 204111992 U CN204111992 U CN 204111992U CN 201420579123 U CN201420579123 U CN 201420579123U CN 204111992 U CN204111992 U CN 204111992U
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- fork
- yarn
- cam
- balance staff
- yarn clamping
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Abstract
The utility model discloses a kind of air-jet loom machinery drafting system, comprise loom frame, loom frame is provided with beating-up mechanism, yarn clamping mechanism and driving mechanism, beating-up mechanism comprises tightening weft axis, beat up support arm, slay and reed, yarn clamping mechanism comprises yarn gripper and fork, yarn gripper comprises yarn clipping seat and to be multiplely arranged on yarn clipping seat and the yarn clamping sheet of arranging successively, yarn clipping seat is arranged on slay, the relative position of each yarn clamping sheet all offers thread guide eyelet, each thread guide eyelet is just to the wefting insertion reed groove of reed, coordinate between adjacent two yarn clamping sheets and form yarn clamping groove, the quantity of fork is equal with the quantity of yarn clamping groove, the head of fork penetrates in yarn clamping groove, the afterbody of fork is installed on fork axle, fork axle and fork bearing are hinged, fork bearing settlement is on yarn clipping seat, fork axle is connected with driving mechanism by linkage, fork swings up and down under the drive of slay and fork axle.The utility model can realize moment high speed yarn clipping, avoids the generation of looped weft phenomenon.
Description
Technical field
The utility model belongs to field of textile machinery, particularly relates to a kind of air-jet loom machinery drafting system.
Background technology
Elastic filament, based on elasticity, belongs to the one of textured yarn, can rebound fast after it is characterized in that yarn elongation.Loom is when woven stretch silk weft yarn, and because elastic filament elasticity is comparatively large, looped weft phenomenon easily appears in selvedge place, right side.Therefore, for avoiding weft yarn resilience at the end of wefting insertion, just need drafting force that it is stretching, and when drawing-off strength does not reach the strength required for elastic filament, just easily occur looped weft phenomenon.Existing solution is, a draft nozzle is installed in the position that loom wefting insertion terminates, draft nozzle provides source of the gas by independently gas bag, weft yarn drafting force of flight is given with larger air pressure, to ensure that weft yarn can be stretching smoothly, prevent the generation of looped weft, this kind of method needs very large drawing-off air pressure, waste gas is serious, and the special electromagnetic valve of this process need one and drawing-off gas bag control air pressure, add cost, especially improper for the loom of energy-saving jet this free-standing air feed.
As can be seen here, prior art awaits further improving.
Utility model content
The utility model is the weak point avoiding above-mentioned prior art to exist, and provides a kind of air-jet loom machinery drafting system.
The technical scheme that the utility model adopts is:
A kind of air-jet loom machinery drafting system, comprises loom frame, loom frame is provided with beating-up mechanism, yarn clamping mechanism and driving mechanism, beating-up mechanism comprises tightening weft axis, the support arm that beats up, slay and reed, and beat up the drive lower swing of support arm at tightening weft axis, and slay is installed in the top of the support arm that beats up, and reed is arranged on the top of slay, yarn clamping mechanism comprises yarn gripper and fork, yarn gripper comprises yarn clipping seat and to be multiplely arranged on yarn clipping seat and the yarn clamping sheet of arranging successively, yarn clipping seat is arranged on slay, the relative position of each yarn clamping sheet all offers thread guide eyelet, each thread guide eyelet is just to the wefting insertion reed groove of reed, coordinate between adjacent two yarn clamping sheets and form yarn clamping groove, the quantity of fork is equal with the quantity of yarn clamping groove, the head of fork penetrates in yarn clamping groove, the afterbody of fork is installed on fork axle, fork axle and fork bearing are hinged, fork bearing settlement is on yarn clipping seat, fork axle is connected with driving mechanism by linkage, fork swings up and down under the drive of slay and fork axle.
The roller that described driving mechanism comprises cam, cam rocker arm, drive motors and is pressed on cam, cam is nested with on power transmission shaft, power transmission shaft is connected with the output shaft of drive motors by shaft coupling, cam rocker arm is connected with linkage, roller is connected with cam rocker arm by bolt, cam rocker arm is hinged by the middle part of bearing and positioning seat, and positioning seat is arranged on loom frame.
Described linkage comprises support arm, first connecting rod and second connecting rod, support arm is nested with on cam balance staff, cam balance staff is supported between two cam pendulum bearings, each cam pendulum bearing is all arranged on loom frame, the upper end of first connecting rod is connected with support arm, lower end is connected with cam rocker arm, one end of cam balance staff is provided with the first balance staff rocking arm, and one end of fork axle is provided with the second balance staff rocking arm, and one end of second connecting rod is connected with the first balance staff rocking arm, the other end is connected with the second balance staff rocking arm.
Holddown spring is provided with between described cam rocker arm and the bottom of positioning seat.
The two ends of described first connecting rod are respectively arranged with the first oscillating bearing, support arm with cam rocker arm is respectively arranged with the first back shaft be connected with the first oscillating bearing; The two ends of described second connecting rod are respectively arranged with second joint bearing, and the first balance staff rocking arm is respectively arranged with on the second balance staff rocking arm the second back shaft be connected with second joint bearing.
When each described fork is in the top edge of each thread guide eyelet, cam with drive axis to the peak of cam.
Owing to have employed technique scheme, the beneficial effect acquired by the utility model is:
1, in the utility model, the motion of fork is the compound motion driven by two parts, and wherein a part is by cam rotating drive, and a part is by slay reed wobble drive in addition, thus can realize the moment high speed yarn clipping of fork, avoids the generation of looped weft phenomenon.
2, the yarn clamping sheet in the utility model by one to multiple not etc., its quantity can be determined according to required yarn clipping strength and weft yarn intensity, thus enhances varietal adaptation of the present utility model.
3, in the utility model, the shaft-like design of fork decreases the stop to weft tracting flow, prevents weft yarn to deviate from from thread guide eyelet, and shaft-like design has certain elasticity, and weft yarn can be prevented to break.
4, the utility model compact conformation, installation and maintenance are convenient, and cost of manufacture is lower, improves the quality of weaving cotton cloth.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model removing beating-up mechanism.
Fig. 2 is the structural representation under a kind of duty of the utility model.
Fig. 3 is the structural representation under the another kind of duty of the utility model.
Wherein,
1, yarn gripper 101, yarn clamping sheet 102, yarn clamping groove 103, thread guide eyelet 104, yarn clipping seat 2, fork 3, cam pendulum bearing 4, cam balance staff 5, support arm 6, first oscillating bearing 7, first connecting rod 8, positioning seat 801, second location-plate 802, riser 803, base 9, Compress Spring 10, cam 11, roller 12, cam rocker arm 13, first balance staff rocking arm 14, second connecting rod 15, second joint bearing 16, second balance staff rocking arm 17, fork axle 18, fork bearing 181, sleeve 182, first location-plate 19, reed 20, slay 21, tightening weft axis 22, beat up support arm
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail, but the utility model is not limited to these embodiments.
As shown in figures 1 and 3, a kind of air-jet loom machinery drafting system, comprises loom frame, loom frame is provided with beating-up mechanism, yarn clamping mechanism and driving mechanism, beating-up mechanism comprises tightening weft axis 21, the support arm 22 that beats up, slay 20 and reed 19, and beat up the drive lower swing of support arm 22 at tightening weft axis 21, and slay 20 is installed in the top of the support arm 22 that beats up, and reed 19 is arranged on the top of slay 20, yarn clamping mechanism comprises yarn gripper 1 and fork 2, yarn gripper 1 comprises yarn clipping seat 104 and to be multiplely arranged on yarn clipping seat 104 and the yarn clamping sheet 101 of arranging successively, yarn clipping seat 104 is arranged on slay 20, the relative position of each yarn clamping sheet 101 all offers thread guide eyelet 103, each thread guide eyelet 103 is just to the wefting insertion reed groove of reed 19, coordinate between adjacent two yarn clamping sheets 101 and form yarn clamping groove 102, the quantity of fork 2 is equal with the quantity of yarn clamping groove 102, the head of fork 2 penetrates in yarn clamping groove 102, the afterbody of fork 2 is installed on fork axle 17, fork axle 17 and fork bearing 18 are hinged, the first location-plate 182 that fork bearing 18 comprises sleeve 181 and is connected with sleeve 181, fork axle 17 is through sleeve 181, first location-plate 182 is arranged on yarn clipping seat 104, fork axle 17 is connected with driving mechanism by linkage, fork 2 swings up and down under the drive of slay 20 and fork axle 17, described driving mechanism comprises cam 10, cam rocker arm 12, drive motors and the roller 11 be pressed on cam 10, cam 10 is nested with on power transmission shaft, power transmission shaft is connected with the output shaft of drive motors by shaft coupling, cam rocker arm 12 is connected with linkage, roller 11 is connected with cam rocker arm 12 by bolt, cam rocker arm 12 is hinged by bearing and positioning seat 8, positioning seat 8 is arranged on loom frame, positioning seat 8 comprises the second location-plate 801, the riser 802 be connected with the second location-plate 801 and the base 803 be connected with riser 802, namely cam rocker arm 12 is hinged with riser 802, holddown spring 9 is provided with between described cam rocker arm 12 and base 803, its elastic force impels roller 11 to be pressed on cam 10, described linkage comprises support arm 5, first connecting rod 7 and second connecting rod 14, support arm 5 is nested with on cam balance staff 4, cam balance staff 4 is supported between two cam pendulum bearings 3, the cross section of each cam pendulum bearing 3 is all in P type, and the through hole it offering respectively locating hole and can pass for cam balance staff 4, each cam pendulum bearing 3 is all arranged on loom frame, the upper end of first connecting rod 7 is connected with support arm 5, lower end is connected with cam rocker arm 12, the two ends of described first connecting rod 7 are respectively arranged with the first oscillating bearing 6, support arm 5 with cam rocker arm 12 is respectively arranged with the first back shaft be connected with the first oscillating bearing 6, one end of cam balance staff 4 is provided with the first balance staff rocking arm 13, one end of fork axle 17 is provided with the second balance staff rocking arm 16, one end of second connecting rod 14 is connected with the first balance staff rocking arm 13, the other end is connected with the second balance staff rocking arm 16, the two ends of described second connecting rod 14 are respectively arranged with second joint bearing 15, first balance staff rocking arm 13 is respectively arranged with on the second balance staff rocking arm 16 the second back shaft be connected with second joint bearing 15.
When air-jet loom beat up after give up the idea position time, fork 2 is in the peak of motion in yarn clamping groove 102, in the process that tightening weft axis drives slay 20 and reed 19 to beat up forward, fork 2 reed 19 swing and driving mechanism double reaction plus under to lower swing, when position shown in loom movement to Fig. 3, when each described fork 2 is in the top edge of each thread guide eyelet 103, and now cam 10 with drive axis to the peak of cam 10, weft yarn has also entered into the thread guide eyelet 103 of yarn gripper 1, when loom continues to beat up forward, power transmission shaft continues band moving cam 10 and rotates, the characteristic of cam 10 causes roller 11 can accelerate to move down, the first connecting rod 7 be connected with cam rocker arm 12 can move upward, first connecting rod 7 is with moving cam balance staff 4 to swing, the second connecting rod 14 that swings by of cam balance staff 4 is passed to the second balance staff rocking arm 16 and drives fork 2 by fork axle 17, the fork 2 fallen is made to increase an acceleration instantaneously, reed 19 swing and driving mechanism double action under, fork 2 can fall rapidly, weft yarn in thread guide eyelet 103 is pushed down, when air-jet loom stops jet, weft yarn also can not produce resilience because not having the stretching of gas, weft yarn is with reed 19 forward rocking motion subsequently, complete a wefting insertion process, when reed 19 moves backward, fork 2 lifts under the effect of linkage, weft yarn in thread guide eyelet 103 is under the effect of intertexture pulling force, can depart from thread guide eyelet 103, prevent next wefting insertion from causing the blocking of thread guide eyelet 103.
The part do not addressed in the utility model adopts or uses for reference prior art and can realize.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
Although more employ the terms such as yarn gripper 1, cam pendulum bearing 3, positioning seat 8, roller 11, cam rocker arm 12, second connecting rod 14, sleeve 181 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Specific embodiment described herein is only to spiritual example explanation of the present utility model.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (6)
1. an air-jet loom machinery drafting system, comprises loom frame, loom frame is provided with beating-up mechanism, yarn clamping mechanism and driving mechanism, beating-up mechanism comprises tightening weft axis, beat up support arm, slay and reed, beat up the drive lower swing of support arm at tightening weft axis, slay is installed in the top of the support arm that beats up, reed is arranged on the top of slay, it is characterized in that: yarn clamping mechanism comprises yarn gripper and fork, yarn gripper comprises yarn clipping seat and to be multiplely arranged on yarn clipping seat and the yarn clamping sheet of arranging successively, yarn clipping seat is arranged on slay, the relative position of each yarn clamping sheet all offers thread guide eyelet, each thread guide eyelet is just to the wefting insertion reed groove of reed, coordinate between adjacent two yarn clamping sheets and form yarn clamping groove, the quantity of fork is equal with the quantity of yarn clamping groove, the head of fork penetrates in yarn clamping groove, the afterbody of fork is installed on fork axle, fork axle and fork bearing are hinged, fork bearing settlement is on yarn clipping seat, fork axle is connected with driving mechanism by linkage, fork swings up and down under the drive of slay and fork axle.
2. a kind of air-jet loom machinery drafting system according to claim 1, it is characterized in that: the roller that described driving mechanism comprises cam, cam rocker arm, drive motors and is pressed on cam, cam is nested with on power transmission shaft, power transmission shaft is connected with the output shaft of drive motors by shaft coupling, cam rocker arm is connected with linkage, roller is connected with cam rocker arm by bolt, and cam rocker arm is hinged by the middle part of bearing and positioning seat, and positioning seat is arranged on loom frame.
3. a kind of air-jet loom machinery drafting system according to claim 2, it is characterized in that: described linkage comprises support arm, first connecting rod and second connecting rod, support arm is nested with on cam balance staff, cam balance staff is supported between two cam pendulum bearings, each cam pendulum bearing is all arranged on loom frame, the upper end of first connecting rod is connected with support arm, lower end is connected with cam rocker arm, one end of cam balance staff is provided with the first balance staff rocking arm, one end of fork axle is provided with the second balance staff rocking arm, one end of second connecting rod is connected with the first balance staff rocking arm, the other end is connected with the second balance staff rocking arm.
4. a kind of air-jet loom machinery drafting system according to claim 2, is characterized in that: be provided with holddown spring between described cam rocker arm and the bottom of positioning seat.
5. a kind of air-jet loom machinery drafting system according to claim 3, is characterized in that: the two ends of described first connecting rod are respectively arranged with the first oscillating bearing, support arm with cam rocker arm is respectively arranged with the first back shaft be connected with the first oscillating bearing; The two ends of described second connecting rod are respectively arranged with second joint bearing, and the first balance staff rocking arm is respectively arranged with on the second balance staff rocking arm the second back shaft be connected with second joint bearing.
6. a kind of air-jet loom machinery drafting system according to claim 2, is characterized in that: when each described fork is in the top edge of each thread guide eyelet, cam with drive axis to the peak of cam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420579123.0U CN204111992U (en) | 2014-10-08 | 2014-10-08 | A kind of air-jet loom machinery drafting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420579123.0U CN204111992U (en) | 2014-10-08 | 2014-10-08 | A kind of air-jet loom machinery drafting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204111992U true CN204111992U (en) | 2015-01-21 |
Family
ID=52329325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420579123.0U Withdrawn - After Issue CN204111992U (en) | 2014-10-08 | 2014-10-08 | A kind of air-jet loom machinery drafting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204111992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264340A (en) * | 2014-10-08 | 2015-01-07 | 青岛天一集团红旗纺织机械有限公司 | Mechanical drafting device of air jet loom |
-
2014
- 2014-10-08 CN CN201420579123.0U patent/CN204111992U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264340A (en) * | 2014-10-08 | 2015-01-07 | 青岛天一集团红旗纺织机械有限公司 | Mechanical drafting device of air jet loom |
| CN104264340B (en) * | 2014-10-08 | 2015-12-02 | 青岛天一集团红旗纺织机械有限公司 | A kind of air-jet loom machinery drafting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150121 Effective date of abandoning: 20151202 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |