CN217104243U - Untwisting prevention weft yarn drafting device for air jet loom - Google Patents
Untwisting prevention weft yarn drafting device for air jet loom Download PDFInfo
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- CN217104243U CN217104243U CN202123339457.XU CN202123339457U CN217104243U CN 217104243 U CN217104243 U CN 217104243U CN 202123339457 U CN202123339457 U CN 202123339457U CN 217104243 U CN217104243 U CN 217104243U
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- weft yarn
- tube
- movable clamping
- yarn drafting
- clamping block
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- 230000002265 prevention Effects 0.000 title description 3
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000001154 acute effect Effects 0.000 claims abstract description 4
- 238000013016 damping Methods 0.000 claims description 7
- 238000009941 weaving Methods 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 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
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model provides an air jet loom is with preventing returning and twisting with fingers woof drafting arrangement belongs to weaving equipment technical field, include: the weft yarn drafting system comprises a weft yarn drafting pipe, an air inlet pipe, a base and a movable clamping mechanism; when the axial line of the weft yarn drafting tube and the axial line of the air inlet tube are projected on any plane, an included angle is formed, the included angle is an acute angle or an obtuse angle, and the axial line of the weft yarn drafting tube does not intersect with the axial line of the air inlet tube; one end part of the weft yarn drafting tube is a weft yarn inlet; the air inlet pipe is communicated with the weft yarn drafting pipe, and the other end of the air inlet pipe is communicated with an external air source; the base is arranged below the weft yarn drafting tube; the movable clamping mechanism is arranged on the base and clamped on two sides of the weft yarn drafting tube. The utility model discloses a remove fixture's setting can adjust the position of woof draft pipe at any time, has improved the flexibility of device, is provided with shockproof mechanism simultaneously, can reduce the vibration wearing and tearing of device, the life-span of extension fixture.
Description
Technical Field
The utility model relates to a weaving equipment technical field, concretely relates to air jet loom is with preventing moving back and twisting with fingers woof drafting arrangement.
Background
Air jet looms are shuttleless looms that use a jet of air to pull the weft yarn through the shed. The working principle is that air is used as a weft insertion medium, the ejected compressed airflow generates friction traction force on weft yarn to pull the weft yarn, the weft yarn is taken through a shed, and the purpose of weft insertion is achieved through jet flow generated by air ejection. The weft insertion mode can realize high speed and high yield of the loom. Among several shuttleless looms, the air jet loom is the one with the highest speed, and has the advantages of wide variety adaptability, less material consumption, high efficiency, high speed, low noise and the like, and has become one of the novel looms with the greatest development prospect, because of reasonable weft insertion mode, higher weft insertion rate, simple and safe operation. The air jet loom adopts an air weft mode, and the biggest defect is high energy consumption. In the prior art, in order to prevent the untwisting of the weft yarn, the weft yarn is twisted at a weft inlet, and the twist is compensated by a weft yarn drafting device at a weft outlet, so that the untwisting prevention of the weft yarn is realized. Because the twist compensation adopts high-pressure vortex to realize, high-pressure draught is great to drafting device's impact, makes drafting device's vibrations great, can construct the impact injury to drafting device and air jet loom's joint, can cause drafting device rocking by a wide margin after shaking for a long time, influences woof draft efficiency, can reduce drafting device's life simultaneously, needs improvement urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an air jet loom is with preventing returning and twisting with fingers woof drafting device.
In order to solve the technical problem, the purpose of the utility model is to realize like this:
an anti-untwisting weft yarn drafting device for an air jet loom, comprising: the weft yarn drafting system comprises a weft yarn drafting pipe, an air inlet pipe, a base and a movable clamping mechanism;
when the axial line of the weft yarn drafting tube and the axial line of the air inlet tube are projected on any plane, an included angle is formed, the included angle is an acute angle or an obtuse angle, and the axial line of the weft yarn drafting tube does not intersect with the axial line of the air inlet tube;
one end part of the weft yarn drafting tube is a weft yarn inlet; the air inlet pipe is communicated with the weft yarn drafting pipe, and the other end of the air inlet pipe is communicated with an external air source;
the base is arranged below the weft yarn drafting tube; the movable clamping mechanism is arranged on the base and clamped on two sides of the weft yarn drafting tube;
the movable clamping mechanism comprises a plurality of fixed blocks; the fixed block is fixedly arranged on the base, and one side of the fixed block, which is abutted against the weft yarn drafting tube, is in a circular arc shape corresponding to the weft yarn drafting tube; the other side of the weft yarn drafting tube, which is provided with the fixed block, is provided with an adjusting movable clamping block, and the adjusting movable clamping block comprises a fixed seat and a movable clamping block; the fixed seat is fixedly arranged on the base, the movable clamping block is connected with the fixed seat in a relatively sliding manner, and one side, which is abutted against the weft yarn drafting pipe, of the movable clamping block is arranged to be in a circular arc shape corresponding to the weft yarn drafting pipe;
the movable clamping block is fixedly and rotatably connected with the center of the end part, far away from the weft yarn drafting tube, of the movable clamping block, and the screw penetrates through the fixed seat, extends to the outside of the fixed seat and is in threaded connection with the fixed seat; the screw is perpendicular to the end of the movable clamping block;
the end part of the movable clamping block, which is far away from the weft yarn drafting tube, is provided with a shockproof screw; the two shockproof screws are symmetrically arranged on two sides of the screw rod; one end of the shockproof screw is fixedly connected with the end part of the movable clamping block, the other end of the shockproof screw extends into the fixed seat and is in sliding connection with the fixed seat, and a shockproof spring is arranged between the shockproof screw and the fixed seat.
On the basis of the above scheme and as a preferred scheme of the above scheme, a groove is formed in one side of the fixed seat facing the weft yarn drafting tube, and the movable clamping block is arranged in the groove and matched with the groove.
In addition to the above, preferably, the number of the movable clamping devices is two, and the movable clamping devices are provided at both ends of the weft draft tube.
On the basis of the above scheme and as a preferable scheme of the above scheme, a rotating handle is arranged at the end part of the screw rod far away from the fixed seat.
On the basis of the above scheme and as a preferable scheme of the above scheme, a damping cushion is arranged on the end surface of the fixed block, which is in contact with the weft yarn drafting tube; and a damping cushion is arranged on the end surface of the movable clamping block, which is abutted to the weft yarn drafting tube.
In addition to the above, and as a preferable mode of the above, the base is fixedly installed on the air jet loom by a shockproof bolt.
The utility model has the advantages that: the utility model discloses be provided with the mechanism of anti-vibration between woof draft tube and air jet loom, can reduce the mutual vibrations when air jet loom and woof draft tube function, can reduce the wearing and tearing between the device in the time of the reduction of equipment noise, the life of extension equipment. The movable clamping mechanism can adjust the position of the weft yarn drafting tube at any time, improves the applicability and weft yarn drafting effect of the device, and is more flexible in fixed connection and more convenient to maintain and replace.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic side view of the present invention.
Fig. 3 is a schematic view of the shockproof screw structure of the present invention.
In the figure: 1. a weft yarn drafting tube; 2. an air inlet pipe; 3. a base; 5. a fixed block; 6. a fixed seat; 7. moving the clamping block; 8. a screw; 9. a shockproof screw; 10. a shock-proof spring; 11. rotating the handle; 12. shock attenuation cushion.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 3, an untwisted weft draft preventing device for an air jet loom includes: weft yarn drafting tube 1, air inlet pipe 2, base 3, removal fixture. One end part of the weft yarn drafting tube 1 is a weft yarn inlet; the air inlet pipe 2 is communicated with the weft yarn drafting pipe 1, and the other end of the air inlet pipe is communicated with an external air source.
When the axial line of the weft yarn drafting tube 1 and the axial line of the air inlet tube 2 project on any plane, an included angle is formed, the included angle is an acute angle or an obtuse angle, and the axial line of the weft yarn drafting tube 1 and the axial line of the air inlet tube 2 do not intersect. Compressed air from the air inlet pipe 2 directly flows to the right end of the weft yarn drafting pipe 1, so that a negative pressure area is formed at the left end of the weft yarn drafting pipe 1, flying weft yarns are sucked, and the compressed air forms rotating airflow at the right end of the weft yarn drafting pipe 1 to twist the weft yarns, thereby compensating the twist lost in the free flying process of the weft yarns.
The base 3 is arranged below the weft yarn drafting tube 1 and is fixedly arranged on the air jet loom through shockproof bolts, and the shockproof bolts can prevent the base 3 from shaking and falling loose, so that the situation that the weft yarn drafting tube 1 shakes to reduce the weft yarn drafting effect due to the fact that the base 3 is loosened is avoided. The base 3 can be disassembled due to the arrangement of the shockproof bolt, so that the device is convenient to maintain and clean, and the flexibility of the device is improved.
The movable clamping mechanism is arranged on the base 3 and clamped at two sides of the weft yarn drafting tube 1, and the weft yarn drafting tube 1 can be fixed on the base 3.
Specifically, the movable clamping mechanism comprises a plurality of fixed blocks 5; the fixed block 5 is fixedly arranged on the base 3, one side of the weft yarn drafting pipe 1 abutted against the fixed block is in a circular arc shape corresponding to the weft yarn drafting pipe 1, when the weft yarn drafting pipe is clamped tightly, the circular arc surface of the fixed block 5 is attached to the outer surface of the weft yarn drafting pipe 1, connection stability is guaranteed, the weft yarn drafting pipe 1 is provided with the adjusting and moving clamping block arranged on the other side of the fixed block 5, and the moving clamping block is matched with the fixed block 5 to fix the weft yarn drafting pipe. The adjusting movable clamping block comprises a fixed seat 6 and a movable clamping block 7; the fixing seat 6 is fixedly arranged on the base 3, the movable clamping block 7 is connected with the fixing seat 6 in a relatively sliding mode, and one side, abutted against the weft yarn drafting tube 1, of the movable clamping block 7 is arranged to be in a circular arc shape corresponding to the weft yarn drafting tube 1. Preferably, a groove is formed in one side of the fixed seat 6 facing the weft yarn drafting tube 1, and the movable clamping block 7 is arranged in the groove and matched with the groove. The mobile clamping block 7 can slide in the groove. Optionally, in order to maintain the stability of sliding, a sliding rail is arranged on the inner wall of the groove, and the movable clamping block 7 is adapted to the sliding rail.
The movable clamping block 7 is fixedly and rotatably connected with a screw 8 away from the center of the end part of the weft yarn drafting tube 1, and the screw 8 penetrates through the fixed seat 6, extends to the outside of the fixed seat 6 and is in threaded connection with the fixed seat 6; the screw 8 is perpendicular to the end of the movable clamping block 7. The screw rod 8 is rotated, the screw rod 8 moves relative to the fixing seat 6, and the movable clamping block 7 is driven to move relative to the fixing seat 6. Preferably, the end part of the screw 8 far away from the fixed seat 6 is provided with a rotating handle 11, so that the screw 8 is convenient to rotate.
Further, the end part of the movable clamping block 7, which is far away from the weft yarn drafting tube 1, is provided with a shockproof screw 9; the two shockproof screws 9 are symmetrically arranged on two sides of the screw rod 8; one end of the shockproof screw 9 is fixedly connected with the end part of the movable clamping block 7, the other end of the shockproof screw extends into the fixed seat 6 and is in sliding connection with the fixed seat 6, and a shockproof spring 10 is arranged between the shockproof screw 9 and the fixed seat 6. Specifically, the fixed seat 6 is provided with a sliding groove, the end part of the shockproof screw 9 is positioned in the sliding groove, the diameter of the end part of the shockproof screw 9 is larger than the diameter between the screw parts of the shockproof screw 9, a shockproof spring 10 is arranged between the end part of the shockproof screw 9 and the bottom of the sliding groove, the shockproof spring 10 is sleeved on the screw part of the shockproof screw 9, one end of the shockproof spring abuts against the end part of the shockproof screw 9, and the other end of the shockproof spring abuts against the bottom of the sliding groove. The two shockproof springs 10 can keep the upper and lower parts of the movable clamping block 7 to move synchronously, so that the clamping stability is ensured, and meanwhile, when the weft yarn drafting tube 1 independently acts on the upper and lower parts of the movable clamping block 7, the shockproof spring 10 at the other end part can generate opposite acting force, so that the impact vibration feeling is reduced, and the stability is improved.
Preferably, the number of the movable clamping mechanisms is two, and the movable clamping mechanisms are arranged at two ends of the weft yarn drafting tube 1.
Preferably, a damping cushion 12 is arranged on the end surface of the fixed block 5 abutting against the weft yarn drafting tube 1; the end face of the movable clamping block 7, which is abutted to the weft yarn drafting tube 1, is provided with a damping cushion 12. The damping cushion 12 can greatly relieve the vibration between the weft yarn drafting tube 1 and the movable clamping mechanism, reduce the vibration abrasion between the weft yarn drafting tube 1 and the movable clamping mechanism and ensure the stability of the device.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (6)
1. The utility model provides an air jet loom is with preventing returning and twisting out woof draft device which characterized in that includes: the device comprises a weft yarn drafting tube (1), an air inlet tube (2), a base (3) and a movable clamping mechanism;
when the axial line of the weft yarn drafting tube (1) and the axial line of the air inlet tube (2) are projected on any plane, an included angle is formed, the included angle is an acute angle or an obtuse angle, and the axial line of the weft yarn drafting tube (1) and the axial line of the air inlet tube (2) do not intersect;
one end part of the weft yarn drafting tube (1) is a weft yarn inlet; the air inlet pipe (2) is communicated with the weft yarn drafting pipe (1), and the other end of the air inlet pipe is communicated with an external air source;
the base (3) is arranged below the weft yarn drafting tube (1); the movable clamping mechanism is arranged on the base (3) and clamped on two sides of the weft yarn drafting tube (1);
the movable clamping mechanism comprises a plurality of fixed blocks (5); the fixing block (5) is fixedly arranged on the base (3), and one side of the fixing block, which is abutted against the weft yarn drafting tube (1), is in a circular arc shape corresponding to the weft yarn drafting tube (1); the other side of the weft yarn drafting tube (1) provided with the fixed block (5) is provided with an adjusting movable clamping block, and the adjusting movable clamping block comprises a fixed seat (6) and a movable clamping block (7); the fixing seat (6) is fixedly arranged on the base (3), the movable clamping block (7) is connected with the fixing seat (6) in a relatively sliding mode, and the side, abutted against the weft yarn drafting tube (1), of the movable clamping block (7) is arranged to be in a circular arc shape corresponding to the weft yarn drafting tube (1);
the movable clamping block (7) is fixedly and rotatably connected with a screw rod (8) away from the center of the end part of the weft yarn drafting tube (1), and the screw rod (8) penetrates through the fixed seat (6) to extend to the outside of the fixed seat (6) and is in threaded connection with the fixed seat (6); the screw rod (8) is perpendicular to the end part of the movable clamping block (7);
the end part of the movable clamping block (7) far away from the weft yarn drafting tube (1) is provided with a shockproof screw (9); the two shockproof screws (9) are symmetrically arranged on two sides of the screw rod (8); one end of the shockproof screw (9) is fixedly connected with the end part of the movable clamping block (7), the other end of the shockproof screw extends into the fixed seat (6) and is in sliding connection with the fixed seat (6), and a shockproof spring (10) is arranged between the shockproof screw (9) and the fixed seat (6).
2. The untwisted yarn draft preventing device for an air jet loom according to claim 1, wherein a groove is formed in one side of the fixed seat (6) facing the yarn draft tube (1), and the movable clamping block (7) is arranged in the groove and matched with the groove.
3. The untwisted-proof weft yarn drawing device for the air jet loom according to claim 1, wherein the number of the movable clamping mechanisms is two, and the two movable clamping mechanisms are arranged at two ends of the weft yarn drawing tube (1).
4. An anti-untwisted weft yarn drafting device for an air jet loom according to claim 1, characterized in that the end of the screw (8) far away from the fixed seat (6) is provided with a rotating handle (11).
5. The untwisted-proof weft yarn drafting device for the air jet loom according to claim 1, wherein a damping cushion (12) is arranged on the end surface of the fixed block (5) abutting against the weft yarn drafting tube (1); and a damping cushion (12) is arranged on the end surface of the movable clamping block (7) which is abutted to the weft yarn drafting tube (1).
6. The untwisted weft yarn drafting device for the air jet loom according to claim 1, wherein the base (3) is fixedly arranged on the air jet loom through shockproof bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123339457.XU CN217104243U (en) | 2021-12-23 | 2021-12-23 | Untwisting prevention weft yarn drafting device for air jet loom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123339457.XU CN217104243U (en) | 2021-12-23 | 2021-12-23 | Untwisting prevention weft yarn drafting device for air jet loom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217104243U true CN217104243U (en) | 2022-08-02 |
Family
ID=82592635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123339457.XU Expired - Fee Related CN217104243U (en) | 2021-12-23 | 2021-12-23 | Untwisting prevention weft yarn drafting device for air jet loom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217104243U (en) |
-
2021
- 2021-12-23 CN CN202123339457.XU patent/CN217104243U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220802 |