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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- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 21
- 238000003780 insertion Methods 0.000 claims abstract description 9
- 230000037431 insertion Effects 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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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 the textile machinery field especially relates to an air jet loom mechanical drafting device.
Background
The stretch yarn is mainly elastic and belongs to one of the textured yarns, and is characterized in that the stretch yarn can rebound quickly. When the loom weaves the stretch yarn weft yarn, the weft shrinkage phenomenon easily occurs at the right selvedge because the elasticity of the stretch yarn is larger. Therefore, in order to avoid weft yarn rebounding at the end of weft insertion, a drawing force is required to straighten the weft yarn, and when the drawing force does not reach the force required by the elastic yarn, a weft shrinkage phenomenon is easy to occur. The existing solution is that a drafting nozzle is installed at the position where the loom finishes weft insertion, the drafting nozzle provides an air source by an independent air bag, and a drafting force is applied to flying weft yarn by using larger air pressure to ensure that the weft yarn can be straightened smoothly and prevent the weft shrinkage.
It will thus be seen that the prior art is susceptible to further improvements and enhancements.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air jet loom mechanical drafting device for avoiding the defects of the prior art.
The utility model discloses the technical scheme who adopts does:
a mechanical drafting device of an air jet loom comprises a loom frame, wherein a beating-up mechanism, a yarn clamping mechanism and a driving mechanism are arranged on the loom frame; the beating-up mechanism comprises a beating-up shaft, a beating-up support arm, a sley and a reed, wherein the beating-up support arm swings under the driving of the beating-up shaft, the sley is fixedly arranged above the beating-up support arm, and the reed is arranged above the sley; the yarn clamping mechanism comprises a yarn clamping device and a swinging rod, the yarn clamping device comprises a yarn clamping seat and a plurality of yarn clamping sheets which are arranged on the yarn clamping seat in sequence, the yarn clamping seat is arranged on a sley, yarn guide holes are formed in the opposite positions of the yarn clamping sheets, each yarn guide hole is over against a weft insertion reed groove of a reed, two adjacent yarn clamping sheets are matched to form yarn clamping grooves, the number of the swinging rods is equal to that of the yarn clamping grooves, the head portions of the swinging rods penetrate into the yarn clamping grooves, the tail portions of the swinging rods are fixedly arranged on a swinging rod shaft, the swinging rod shaft is hinged with a swinging rod support, the swinging rod support is arranged on the yarn clamping seat, the swinging rod shaft is connected with a driving mechanism through a connecting rod mechanism, and the swinging rods swing up and down under the driving of the sley and the swinging rod shaft.
The driving mechanism comprises a cam, a cam rocker, a driving motor and a roller tightly pressed on the cam, the cam is sleeved on a transmission shaft, the transmission shaft is connected with an output shaft of the driving motor through a coupler, the cam rocker is connected with a connecting rod mechanism, the roller is connected with the cam rocker through a bolt, the cam rocker is hinged with the middle part of the positioning seat through a bearing, and the positioning seat is arranged on a loom frame.
The connecting rod mechanism comprises a supporting arm, a first connecting rod and a second connecting rod, the supporting arm is sleeved on a cam swing shaft, the cam swing shaft is supported between two cam swing shaft supporting seats, each cam swing shaft supporting seat is arranged on a loom frame, the upper end of the first connecting rod is connected with the supporting arm, the lower end of the first connecting rod is connected with a cam rocker arm, one end of the cam swing shaft is provided with the first swing shaft rocker arm, one end of the swing shaft is provided with the second swing shaft rocker arm, one end of the second connecting rod is connected with the first swing shaft rocker arm, and the other end of the second connecting rod is connected with the second swing shaft rocker arm.
And a compression spring is arranged between the cam rocker and the lower part of the positioning seat.
Two ends of the first connecting rod are respectively provided with a first joint bearing, and the support arm and the cam rocker arm are respectively provided with a first support shaft connected with the first joint bearing; and second joint bearings are respectively arranged at two ends of the second connecting rod, and second supporting shafts connected with the second joint bearings are respectively arranged on the first swing shaft rocker arm and the second swing shaft rocker arm.
When each swing rod is positioned at the upper edge of each yarn guide hole, the cam rotates to the highest point of the cam along with the transmission shaft.
Since the technical scheme is used, the utility model discloses the beneficial effect who gains does:
1. the utility model discloses the motion of well pendulum rod is by two parts driven compound motion, and one of them part is rotated the drive by the cam, and another part is driven by the swing of going part reed to can realize the high-speed yarn clamp in the twinkling of an eye of pendulum rod, avoid the emergence of weft shrinkage phenomenon.
2. The utility model provides a press from both sides the yarn piece by one to a plurality of the inequality, its quantity can be according to required yarn strength of pressing from both sides and woof intensity and decide, thereby strengthened the utility model discloses a variety adaptability.
3. The utility model discloses the shaft-like design of well pendulum rod has reduced stopping to the wefting insertion air current, has prevented that the woof from deviating from the yarn guide hole, and shaft-like design has certain elasticity, can prevent to break the woof.
4. The utility model discloses compact structure, installation easy maintenance, the cost of manufacture is lower, has improved the quality of weaving.
Drawings
Fig. 1 is a schematic structural view of the beating-up mechanism of the present invention.
Fig. 2 is a schematic structural diagram of the present invention in an operating state.
Fig. 3 is a schematic structural diagram of the present invention in another working state.
Wherein,
1. the yarn clamping device 101, the yarn clamping sheet 102, the yarn clamping groove 103, the yarn guide hole 104, the yarn clamping seat 2, the swing rod 3, the cam swing shaft support 4, the cam swing shaft 5, the support arm 6, the first joint bearing 7, the first connecting rod 8, the positioning seat 801, the second positioning plate 802, the vertical plate 803, the base 9, the compression spring 10, the cam 11, the roller 12, the cam swing arm 13, the first swing shaft swing arm 14, the second connecting rod 15, the second joint bearing 16, the second swing shaft swing arm 17, the swing rod shaft 18, the swing rod support 181, the sleeve 182, the first positioning plate 19, the reed 20, the sley 21, the beating-up shaft 22, the beating-up support arm
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 3, a mechanical draft device of an air jet loom comprises a loom frame, wherein a beating-up mechanism, a yarn clamping mechanism and a driving mechanism are arranged on the loom frame; the beating-up mechanism comprises a beating-up shaft 21, a beating-up support arm 22, a sley 20 and a reed 19, wherein the beating-up support arm 22 swings under the driving of the beating-up shaft 21, the sley 20 is fixedly arranged above the beating-up support arm 22, and the reed 19 is arranged above the sley 20; the yarn clamping mechanism comprises a yarn clamping device 1 and a swing rod 2, the yarn clamping device 1 comprises a yarn clamping seat 104 and a plurality of yarn clamping sheets 101 which are arranged on the yarn clamping seat 104 and are sequentially arranged, the yarn clamping seat 104 is arranged on a sley 20, yarn guide holes 103 are formed in the opposite positions of the yarn clamping sheets 101, each yarn guide hole 103 is over against a weft insertion sley of a reed 19, yarn clamping grooves 102 are formed between every two adjacent yarn clamping sheets 101 in a matching mode, the number of the swing rod 2 is equal to that of the yarn clamping grooves 102, the head of the swing rod 2 penetrates into the yarn clamping grooves 102, the tail of the swing rod 2 is fixedly arranged on a swing rod shaft 17, the swing rod shaft 17 is hinged to the swing rod support 18, the swing rod support 18 comprises a sleeve 181 and a first positioning plate 182 fixedly connected with the sleeve 181, the swing rod shaft 17 penetrates through the sleeve 181, the first positioning plate 182 is arranged on the yarn clamping seat 104, the swing rod shaft 17 is connected with a driving mechanism through a link mechanism, and the swing rod 2 is driven by the sley 20 and the swing rod; the driving mechanism comprises a cam 10, a cam rocker 12, a driving motor and a roller 11 tightly pressed on the cam 10, the cam 10 is sleeved on a transmission shaft, the transmission shaft is connected with an output shaft of the driving motor through a coupler, the cam rocker 12 is connected with a link mechanism, the roller 11 is connected with the cam rocker 12 through a bolt, the cam rocker 12 is hinged with a positioning seat 8 through a bearing, the positioning seat 8 is arranged on a frame of the loom, the positioning seat 8 comprises a second positioning plate 801, a vertical plate 802 fixedly connected with the second positioning plate 801 and a base 803 fixedly connected with the vertical plate 802, the cam rocker 12 is hinged with the vertical plate 802, a compression spring 9 is arranged between the cam rocker 12 and the base 803, and the roller 11 is tightly pressed on the cam 10 through elasticity of the compression spring; the connecting rod mechanism comprises a supporting arm 5, a first connecting rod 7 and a second connecting rod 14, the supporting arm 5 is sleeved on a cam swing shaft 4, the cam swing shaft 4 is supported between two cam swing shaft support seats 3, the cross section of each cam swing shaft support seat 3 is in a P shape, a positioning hole and a through hole for the cam swing shaft 4 to pass through are respectively formed in the cam swing shaft support seats, each cam swing shaft support seat 3 is arranged on a loom frame, the upper end of the first connecting rod 7 is connected with the supporting arm 5, the lower end of the first connecting rod 7 is connected with a cam rocker 12, two ends of the first connecting rod 7 are respectively provided with a first joint bearing 6, the supporting arm 5 and the cam rocker 12 are respectively provided with a first supporting shaft connected with the first joint bearing 6, one end of the cam swing shaft 4 is provided with a first swing shaft rocker 13, one end of a swing shaft 17 is provided with a second swing shaft rocker 16, one end of the second connecting rod 14 is connected with the first swing shaft rocker 13, the other end of, and second joint bearings 15 are respectively arranged at two ends of the second connecting rod 14, and second support shafts connected with the second joint bearings 15 are respectively arranged on the first swing shaft rocker arm 13 and the second swing shaft rocker arm 16.
When the beating-up of the air jet loom is at the position of a rear dead center, the swing rod 2 is at the highest point of motion in the yarn clamping groove 102, the beating-up shaft drives the sley 20 and the reed 19 to beat-up forwards, the swing rod 2 swings downwards under the double acting force of the swinging of the reed 19 and the driving mechanism, when the loom moves to the position shown in figure 3, each swing rod 2 is at the upper edge of each yarn guide hole 103, at the moment, the cam 10 rotates to the highest point of the cam 10 along with the transmission shaft, weft yarns also enter the yarn guide holes 103 of the yarn clamping device 1, when the loom continues beating-up forwards, the transmission shaft continues to drive the cam 10 to rotate, the characteristic of the cam 10 causes the roller 11 to accelerate to move downwards, the first connecting rod 7 connected with the cam rocker arm 12 moves upwards, the first connecting rod 7 drives the cam rocker shaft 4 to swing, the swing of the cam rocker shaft 4 is transmitted to the second rocker arm 16 through the second connecting rod 14 and drives the swing rod 2 through the swing rod shaft 17, the swing rod 2 which is falling is increased with an acceleration instantly, under the double action of the swing of the reed 19 and the driving mechanism, the swing rod 2 can fall rapidly to press the weft in the yarn guide hole 103, when the air jet loom stops air jet, the weft can not rebound due to the fact that air is not stretched, then the weft swings forwards along with the reed 19 to complete one weft insertion process, when the reed 19 moves backwards, the swing rod 2 is lifted under the action of the connecting rod mechanism, the weft in the yarn guide hole 103 can be separated from the yarn guide hole 103 under the action of interweaving pulling force, and the blockage of the yarn guide hole 103 caused by next weft insertion is prevented.
The parts not mentioned in the utility model can be realized by adopting or using the prior art for reference.
Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Although the terms gripper 1, cam rocker bearing 3, positioning seat 8, roller 11, cam rocker 12, second link 14, sleeve 181, etc. are used more extensively herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. A mechanical drafting device of an air jet loom comprises a loom frame, wherein a beating-up mechanism, a yarn clamping mechanism and a driving mechanism are arranged on the loom frame; beating-up mechanism is including beating-up axle, beating-up support arm, going part and reed, and the beating-up support arm swings under the drive of beating-up axle, and the going part sets firmly in the top of beating-up support arm, and the reed setting is in the top of going part, its characterized in that: the yarn clamping mechanism comprises a yarn clamping device and a swinging rod, the yarn clamping device comprises a yarn clamping seat and a plurality of yarn clamping sheets which are arranged on the yarn clamping seat in sequence, the yarn clamping seat is arranged on a sley, yarn guide holes are formed in the opposite positions of the yarn clamping sheets, each yarn guide hole is over against a weft insertion reed groove of a reed, two adjacent yarn clamping sheets are matched to form yarn clamping grooves, the number of the swinging rods is equal to that of the yarn clamping grooves, the head portions of the swinging rods penetrate into the yarn clamping grooves, the tail portions of the swinging rods are fixedly arranged on a swinging rod shaft, the swinging rod shaft is hinged with a swinging rod support, the swinging rod support is arranged on the yarn clamping seat, the swinging rod shaft is connected with a driving mechanism through a connecting rod mechanism, and the swinging rods swing up and down under the driving of the sley and the swinging rod shaft.
2. An air jet loom mechanical draft device according to claim 1, wherein: the driving mechanism comprises a cam, a cam rocker, a driving motor and a roller tightly pressed on the cam, the cam is sleeved on a transmission shaft, the transmission shaft is connected with an output shaft of the driving motor through a coupler, the cam rocker is connected with a connecting rod mechanism, the roller is connected with the cam rocker through a bolt, the cam rocker is hinged with the middle part of the positioning seat through a bearing, and the positioning seat is arranged on a loom frame.
3. An air jet loom mechanical draft device according to claim 2, wherein: the connecting rod mechanism comprises a supporting arm, a first connecting rod and a second connecting rod, the supporting arm is sleeved on a cam swing shaft, the cam swing shaft is supported between two cam swing shaft supporting seats, each cam swing shaft supporting seat is arranged on a loom frame, the upper end of the first connecting rod is connected with the supporting arm, the lower end of the first connecting rod is connected with a cam rocker arm, one end of the cam swing shaft is provided with the first swing shaft rocker arm, one end of the swing shaft is provided with the second swing shaft rocker arm, one end of the second connecting rod is connected with the first swing shaft rocker arm, and the other end of the second connecting rod is connected with the second swing shaft rocker arm.
4. An air jet loom mechanical draft device according to claim 2, wherein: and a compression spring is arranged between the cam rocker and the lower part of the positioning seat.
5. An air jet loom mechanical draft device according to claim 3, wherein: two ends of the first connecting rod are respectively provided with a first joint bearing, and the support arm and the cam rocker arm are respectively provided with a first support shaft connected with the first joint bearing; and second joint bearings are respectively arranged at two ends of the second connecting rod, and second supporting shafts connected with the second joint bearings are respectively arranged on the first swing shaft rocker arm and the second swing shaft rocker arm.
6. An air jet loom mechanical draft device according to claim 2, wherein: when each swing rod is positioned at the upper edge of each yarn guide hole, the cam rotates to the highest point of the cam along with the transmission shaft.
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 |
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| Publication Number | Publication Date |
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| CN204111992U true CN204111992U (en) | 2015-01-21 |
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| 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 |
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| 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 |