CN210974974U - Air collector - Google Patents
Air collector Download PDFInfo
- Publication number
- CN210974974U CN210974974U CN201920873865.7U CN201920873865U CN210974974U CN 210974974 U CN210974974 U CN 210974974U CN 201920873865 U CN201920873865 U CN 201920873865U CN 210974974 U CN210974974 U CN 210974974U
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- nozzle
- air
- wall
- outer nozzle
- inner nozzle
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- 239000000835 fiber Substances 0.000 abstract description 24
- 230000000694 effects Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 206010020112 Hirsutism Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- VWLWUCKZXTYFGA-UHFFFAOYSA-N 3,5-dimethyl-4,6-diphenyl-1,3,5-thiadiazinane-2-thione Chemical compound CN1C(C=2C=CC=CC=2)SC(=S)N(C)C1C1=CC=CC=C1 VWLWUCKZXTYFGA-UHFFFAOYSA-N 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Spinning Or Twisting Of Yarns (AREA)
Abstract
The utility model provides an air collector, which comprises an inner nozzle and an outer nozzle, wherein the inner nozzle and the outer nozzle adopt a revolving body structure, and the outer nozzle comprises an outer nozzle air outlet hole at the front end, an outer nozzle air inlet hole at the rear end and a side air hole arranged on the side surface; the inner nozzle comprises an inner nozzle air outlet hole and an inner nozzle air inlet hole; the inner nozzle is embedded into the outer nozzle through the air inlet hole of the outer nozzle, the outer wall of the inner nozzle is tightly attached to the inner wall of the outer nozzle, so that the outer nozzle also enters air through the air inlet hole of the inner nozzle, and the air outlet hole of the inner nozzle and the air outlet hole of the outer nozzle are coaxial and in the same direction; the two nozzles are nested to form an air cavity, and the side air holes are communicated with the air cavity, so that low-pressure air sucked by the side air holes reaches the air outlet holes of the outer nozzles through the air cavity. The air collector realizes the effect of collecting the fiber bundles by using air, is convenient to process and manufacture, and has better yarn quality by applying the drafting system of the air collector.
Description
Technical Field
The utility model relates to a spinning field especially relates to an utilize air collector that the air current gathers to the tow.
Background
The collector is used in drafting process to reduce the width of sliver, reduce flying and loss of side fiber, reduce the phenomena of rubber roller winding and roller winding, and make sliver twisted in compact state to make the resultant yarn compact, smooth, less filoplume and high in strength. If the collector is improperly used, yarn defects are increased, and when the opening diameter is too small, the yarn is hung and the constant motion is inflexible, the quality of the yarn is reduced, broken ends are increased, and dry bamboo joints are generated.
The traditional collector collects the fiber bundles in a contact mode, the collector is designed to be wide in an inlet and narrow in an outlet, and the inlet and the outlet are in slope transition, so that the effect of contracting the width of a sliver is achieved. Because the fiber bundle and the collector generate contact sliding and friction is generated between the fibers and the collector, the fiber bundle can generate certain influence on the fiber state, and if the surface treatment of the collector is not good, the fiber bundle can generate excessive hairiness and influence the yarn quality.
In the technical proposal of patent No. 201811470969X named as a five-roller drafting system, a collector is adopted in the five-roller drafting system, and the patent provides an air collector for better collecting fiber bundles.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air collector utilizes the air current to form to gather the effect of narrowing to the tow, reduces or avoids the mechanical friction to the tow, when controlling the tow effectively, reduces the filoplume, improves the resultant yarn quality. The technical scheme is as follows:
an air collector comprises an inner nozzle and an outer nozzle, wherein the inner nozzle and the outer nozzle are in a revolving body structure, and the outer nozzle comprises an outer nozzle air outlet hole at the front end, an outer nozzle air inlet hole at the rear end and a side air hole arranged on the side surface; the inner nozzle comprises an inner nozzle air outlet hole and an inner nozzle air inlet hole; the inner nozzle is embedded into the outer nozzle through the air inlet hole of the outer nozzle, the outer wall of the inner nozzle is tightly attached to the inner wall of the outer nozzle, so that the outer nozzle also enters air through the air inlet hole of the inner nozzle, and the air outlet hole of the inner nozzle and the air outlet hole of the outer nozzle are coaxial and in the same direction; the two nozzles are nested to form an air cavity, and the side air holes are communicated with the air cavity, so that low-pressure air sucked by the side air holes reaches the air outlet holes of the outer nozzles through the air cavity.
The inner nozzle, the outer nozzle and the air cavity adopt a cylindrical or conical structure of a revolving body, and the external characteristics are also presented as the cylindrical or conical structure of the revolving body.
The outer wall of outer nozzle includes the cylinder side and the front end cone side of rear end, and the inner wall of outer nozzle includes venthole cylinder inner wall, inner chamber circular cone inner wall and inner chamber cylinder inner wall from the front end to the rear end in proper order.
The outer wall of the inner nozzle is in a step shape and is divided into a large-diameter cylindrical part and a small-diameter cylindrical part, the large-diameter cylindrical part is attached to the inner wall of the outer nozzle inner cavity cylinder, and a gap is formed between the small-diameter cylindrical part and the inner wall of the outer nozzle inner cavity cylinder.
The inner wall of the outer nozzle inner cavity cylinder is in a step shape and is divided into a large-diameter part and a small-diameter part, the large-diameter part is attached and sealed with the outer wall of the inner nozzle, a gap is formed between the small-diameter part and the outer wall of the inner nozzle, and the inner nozzle is in an equal-diameter cylinder structure.
The inner wall of the inner nozzle is cylindrical or conical, when the inner nozzle is cylindrical, the front end is an inner nozzle air outlet hole, and the rear end is an inner nozzle air inlet hole; when the conical nozzle is conical, the smaller diameter part is an air outlet hole of the inner nozzle, and the larger diameter part is an air inlet hole of the inner nozzle.
The inner wall of the air inlet hole of the inner nozzle is designed with a spiral groove structure.
The outer edge of the inner nozzle air outlet hole has a gap with the inner wall of the outer nozzle inner cavity cone, and the outer edge of the inner nozzle air outlet hole is provided with a chamfer to form a gap with the inner wall of the outer nozzle inner cavity cone.
A plurality of vent grooves are formed in the upper portion of the chamfer along the outer edge at equal intervals, the chamfer face is attached to the inner wall of the outer nozzle inner cavity cone, airflow only circulates through the vent grooves, and the vent grooves are grooved along the axial straight line or spirally.
And a boss structure is arranged outside the air hole at the side of the outer nozzle and is used for being connected with an air pipe for providing negative pressure.
The air collector realizes the effect of collecting fiber bundles by utilizing air through the designed air outlet hole of the outer nozzle, the air outlet hole of the inner nozzle, the air inlet hole, the air cavity and the side air hole communicated with the air cavity, and further adopts a split structure of the inner nozzle and the outer nozzle for facilitating processing and manufacturing. The drafting system of the air collector is applied, and the yarn quality is better.
Drawings
FIG. 1 is a schematic diagram of the operating principle of an air collector;
FIG. 2 is a schematic view of a fiber bundle passing through an air collector;
FIG. 3 is a schematic diagram of the distance D between the air outlet of the nozzle and the position close to the drafting nip of the roller;
FIG. 4 is a schematic structural view of an embodiment of an air collector;
FIG. 5 is an external view of the embodiment of FIG. 4;
FIG. 6 is a schematic view of the configuration of the outer nozzle and the inner nozzle in cooperation;
FIG. 7 is a schematic view of an inner nozzle embodiment 1;
FIG. 8 is a schematic view of an inner nozzle embodiment 2;
FIG. 9 is a schematic view of the engagement of the outer edge of the inner nozzle exit orifice with the inner wall of the outer nozzle shown in FIG. 1;
FIG. 10 is a schematic view of the mating of the outer edge of the inner nozzle exit orifice with the inner wall of the outer nozzle 2;
fig. 11 is a schematic view of an application of the air collector.
Detailed Description
As shown in fig. 1 and 2, the air collector adopts a double-structure nozzle, and the fiber bundle 200 is formed into the collecting and narrowing effect by the action of the air flow, thereby reducing the hairiness and improving the yarn quality, and the entering direction of the air flow is divided into low-pressure air a blown by an outer nozzle and low-pressure air B blown by an inner nozzle.
With the structure of the embodiment of fig. 4, low-pressure air a is blown in from the side air holes 13 on the outer nozzle 1, the air a converges along the chamfer 24 or the vent groove 25 as shown in fig. 7, the converged air flow is C, D, flows into the passage of the cylindrical inner wall 16 of the air outlet hole, and flows out from the outer nozzle air outlet hole 11, and at this time, a negative pressure zone is formed in the region 21 near the inner nozzle outlet, so that the external air B flows into the inner nozzle air inlet hole 22, flows along the passage formed by the inner nozzle inner wall 18, passes through the inner nozzle air outlet hole 21, and finally flows out from the outer nozzle air outlet hole 11.
The air flow B wraps the fiber bundle in the internal conveying process in a three-dimensional space, and the fiber bundle is gathered in a non-contact mode in the nozzle.
In addition, for the drafting system using the air collector, since the collected fiber bundle is diffused again after being separated from the collecting region of the nozzle air flow B, the outlet hole of the nozzle should be as close to the position of the roller drafting nip 200 as possible to press the fiber bundle immediately and prevent the fiber from being diffused, as the distance L is smaller as better as shown in fig. 3.
As shown in fig. 4 and 5, the air collector includes an inner nozzle 2 and an outer nozzle 1, the inner nozzle 2 and the outer nozzle 1 are in a rotary structure, and the inner nozzle 2 is embedded inside the outer nozzle 1.
The outer nozzle 1 comprises an outer nozzle air outlet hole 11, an outer nozzle air inlet hole 12 and a side air hole 13, wherein the outer nozzle air outlet hole 11 is positioned at the front end of the outer nozzle 1, the outer nozzle air inlet hole 12 is positioned at the rear end of the outer nozzle 1, and the side air hole 13 is positioned on the side surface of the outer nozzle 1. The passage formed by the cylindrical inner wall of the air outlet hole 11 of the outer nozzle is beneficial to the gathering of the fiber bundles by the airflow.
The inner nozzle 2 comprises an inner nozzle air outlet hole 21 and an inner nozzle air inlet hole 22, the inner nozzle 2 is embedded into the outer nozzle 1 through the outer nozzle air inlet hole 12, the outer wall of the inner nozzle 2 is tightly attached to the inner wall of the outer nozzle 1, the outer nozzle 1 also enters air through the air inlet hole 22, the two nozzles share one air flow inlet, and the inner nozzle air outlet hole 21 and the outer nozzle air outlet hole 11 are coaxial and in the same direction.
The two nozzles are nested to form an air cavity 3, the side air holes 13 are communicated with the air cavity 3, and low-pressure air A reaches the air outlet holes 11 of the outer nozzles through the air cavity 3.
Like this, two nozzles, air cavity 3 adopt the cylinder or the circular cone structure of solid of revolution for inside air current is more even stable, and then the external characteristics also presents for solid of revolution cylinder or circular cone structure.
As shown in fig. 6, the outer wall of the outer nozzle 1 includes a cylindrical side 15 at the rear end and a conical side 14 at the front end, and the inner wall of the outer nozzle 1 includes an air outlet cylindrical inner wall 16, an inner cavity conical inner wall 17 and an inner cavity cylindrical inner wall 18 in sequence from the front end to the rear end.
The conical side 14 at the front end of the outer wall of the outer nozzle 1 is related to the installation position of the outer nozzle, the fiber bundle 100 after being gathered is fed into the roller jaw 200 generally, the closer the fiber bundle 100 after being gathered is to the jaw, the better the position is, in order to be better matched with two rotating round rollers at the jaw, the smaller the diameter of the outer edge of the air outlet hole 11 of the outer nozzle is, the better the outer wall is, and the conical characteristic is designed.
As shown in fig. 7, the outer wall of the inner nozzle 2 is stepped and divided into a large-diameter cylindrical portion 25 and a small-diameter cylindrical portion 24, the large-diameter cylindrical portion 25 is attached to the outer nozzle inner chamber cylindrical inner wall 18, and the small-diameter cylindrical portion 24 forms a gap with the outer nozzle inner chamber cylindrical inner wall 18.
(in another embodiment, the inner cylindrical wall of the inner cavity of the outer nozzle is stepped and is divided into a large-diameter part and a small-diameter part, the large-diameter part is attached and sealed with the outer wall of the inner nozzle, the small-diameter part forms a gap with the outer wall of the inner nozzle, and the inner nozzle can adopt an equal-diameter cylindrical structure.)
The inner wall 23 of the inner nozzle 2 is conical (or cylindrical), the smaller diameter is an inner nozzle air outlet 21, and the larger diameter is an inner nozzle air inlet 22.
The inner wall 23 of the inner nozzle 2 is conical, the speed of the air flow entering the nozzle is faster and faster, and then the air type gathering is carried out at the cylindrical inner wall of the air outlet hole 11 of the outer nozzle, so that the gathering effect is better.
In the second design shown in fig. 8, the inner wall 23 of the air inlet hole of the inner nozzle 2 is designed with a spiral groove 30 structure, so that the entering air flow rotates, and a better fiber bundle gathering effect is achieved.
In addition, the outer border of interior nozzle venthole will have the gap with outer nozzle inner wall, can adopt three kinds of modes to realize:
(1) the outer edge is provided with a chamfer 24 which forms a gap with the conical inner wall 17 of the inner cavity of the outer nozzle for air flow to pass through, as shown in figure 7;
(2) a plurality of vent grooves 25 are equidistantly formed along the chamfer 24 at the outer edge, the surface of the chamfer 24 is attached to the conical inner wall 17 of the inner cavity of the outer nozzle, and airflow only circulates through the vent grooves 25, as shown in fig. 9;
the chamfer mode is a basic form, a gap is formed between the chamfer 24 and the conical inner wall 17 of the inner cavity of the outer nozzle for air circulation, and the vent groove 25 form can enable air flow to flow into the cylindrical inner wall area of the air outlet hole 11 of the outer nozzle more uniformly, so that the air flow can wrap the fiber bundle better.
(3) The air channel 25 may be a straight channel along the axial direction or a spiral channel 26, and may form a rotating airflow, the rotating direction of which is consistent with the air inlet spiral channel, so that the air flow rotating direction is consistent, and the spiral channel 26 may generate a rotating airflow, thereby having twisting effect on the fiber strands. As shown in fig. 10.
In addition, the inner diameter of the inner nozzle air outlet hole 21 is smaller than that of the outer nozzle air outlet hole 11, the outer nozzle side air hole 13 is arranged on one side closer to the air inlet hole 22, and a space is reserved for air flow twisting; the outer nozzle side air hole 13 comprises a boss structure 19 outside for connecting with an air pipe for providing negative pressure, so that the negative pressure in the area of the inner nozzle air outlet hole 21 is more uniform and stable.
The air collector realizes the effect of collecting fiber bundles by utilizing air through the designed air outlet hole of the outer nozzle, the air outlet hole of the inner nozzle, the air inlet hole, the air cavity and the side air hole communicated with the air cavity, and further adopts a split structure of the inner nozzle and the outer nozzle for facilitating processing and manufacturing. The drafting system of the air collector is applied, and the yarn quality is better.
Claims (10)
1. An air collector, characterized by: the nozzle comprises an inner nozzle and an outer nozzle, wherein the inner nozzle and the outer nozzle adopt a revolving body structure, and the outer nozzle comprises an outer nozzle air outlet hole at the front end, an outer nozzle air inlet hole at the rear end and a side air hole arranged on the side surface; the inner nozzle comprises an inner nozzle air outlet hole and an inner nozzle air inlet hole; the inner nozzle is embedded into the outer nozzle through the air inlet hole of the outer nozzle, the outer wall of the inner nozzle is tightly attached to the inner wall of the outer nozzle, so that the outer nozzle also enters air through the air inlet hole of the inner nozzle, and the air outlet hole of the inner nozzle and the air outlet hole of the outer nozzle are coaxial and in the same direction; the two nozzles are nested to form an air cavity, and the side air holes are communicated with the air cavity, so that low-pressure air sucked by the side air holes reaches the air outlet holes of the outer nozzles through the air cavity.
2. The air collector of claim 1, wherein: the inner nozzle, the outer nozzle and the air cavity adopt a cylindrical or conical structure of a revolving body, and the external characteristics are also presented as the cylindrical or conical structure of the revolving body.
3. The air collector of claim 1, wherein: the outer wall of outer nozzle includes the cylinder side and the front end cone side of rear end, and the inner wall of outer nozzle includes venthole cylinder inner wall, inner chamber circular cone inner wall and inner chamber cylinder inner wall from the front end to the rear end in proper order.
4. An air collector as claimed in claim 3 wherein: the outer wall of the inner nozzle is in a step shape and is divided into a large-diameter cylindrical part and a small-diameter cylindrical part, the large-diameter cylindrical part is attached to the inner wall of the outer nozzle inner cavity cylinder, and a gap is formed between the small-diameter cylindrical part and the inner wall of the outer nozzle inner cavity cylinder.
5. The air collector of claim 1, wherein: the inner wall of the outer nozzle inner cavity cylinder is in a step shape and is divided into a large-diameter part and a small-diameter part, the large-diameter part is attached and sealed with the outer wall of the inner nozzle, a gap is formed between the small-diameter part and the outer wall of the inner nozzle, and the inner nozzle is in an equal-diameter cylinder structure.
6. An air collector as claimed in any one of claims 4 or 5 wherein: the inner wall of the inner nozzle is cylindrical or conical, when the inner nozzle is cylindrical, the front end is an inner nozzle air outlet hole, and the rear end is an inner nozzle air inlet hole; when the conical nozzle is conical, the smaller diameter part is an air outlet hole of the inner nozzle, and the larger diameter part is an air inlet hole of the inner nozzle.
7. The air collector of claim 6, wherein: the inner wall of the air inlet hole of the inner nozzle is designed with a spiral groove structure.
8. The air collector of claim 1, wherein: the outer edge of the inner nozzle air outlet hole has a gap with the inner wall of the outer nozzle inner cavity cone, and the outer edge of the inner nozzle air outlet hole is provided with a chamfer to form a gap with the inner wall of the outer nozzle inner cavity cone.
9. The air collector of claim 8, wherein: a plurality of vent grooves are formed in the upper portion of the chamfer along the outer edge at equal intervals, the chamfer face is attached to the inner wall of the outer nozzle inner cavity cone, airflow only circulates through the vent grooves, and the vent grooves are grooved along the axial straight line or spirally.
10. The air collector of claim 1, wherein: and a boss structure is arranged outside the air hole at the side of the outer nozzle and is used for being connected with an air pipe for providing negative pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920873865.7U CN210974974U (en) | 2019-06-11 | 2019-06-11 | Air collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920873865.7U CN210974974U (en) | 2019-06-11 | 2019-06-11 | Air collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210974974U true CN210974974U (en) | 2020-07-10 |
Family
ID=71455404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920873865.7U Withdrawn - After Issue CN210974974U (en) | 2019-06-11 | 2019-06-11 | Air collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210974974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110079901A (en) * | 2019-06-11 | 2019-08-02 | 经纬纺织机械股份有限公司 | Air collector |
-
2019
- 2019-06-11 CN CN201920873865.7U patent/CN210974974U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110079901A (en) * | 2019-06-11 | 2019-08-02 | 经纬纺织机械股份有限公司 | Air collector |
| CN110079901B (en) * | 2019-06-11 | 2024-03-08 | 经纬纺织机械股份有限公司 | Air collector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200710 Effective date of abandoning: 20240308 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200710 Effective date of abandoning: 20240308 |