CN202786579U - Upper pin device - Google Patents
Upper pin device Download PDFInfo
- Publication number
- CN202786579U CN202786579U CN 201220382240 CN201220382240U CN202786579U CN 202786579 U CN202786579 U CN 202786579U CN 201220382240 CN201220382240 CN 201220382240 CN 201220382240 U CN201220382240 U CN 201220382240U CN 202786579 U CN202786579 U CN 202786579U
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- port
- upper pin
- pin assembly
- hollow
- negative
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Abstract
The utility model discloses an upper pin device. The upper pin device is provided with one port or a front port and a back port, wherein the front port and the back port are connected through a connecting passageway. At least one port is of a hollow structure, an air outlet is arranged in the bottom face of the hollow port, at least one hollow port is provided with a negative pressure airflow passageway, and the negative pressure airflow passageway is connected with a negative pressure generator. Negative pressure airflow generated by a negative pressure air suction passageway is directly delivered to the hollow port and acts on fiber fringings through the air outlet at the bottom of the port, and therefore drafting effect can be improved, and resultant yarn quality can be improved.
Description
Technical field
The utility model relates to a kind of upper pin assembly that gathers control applicable to the draw zone fibrous airstream.
Background technology
Drafting system is the important component part of fine spining machine work, and its performance directly has influence on yarn quality.Improvement to the conventional spinning frame drafter also is one of the most popular research direction in the field of spinning at present.For the first break draft district, drafting multiple surpasses 1.5 times or feeding rove turn when too much, not only the turn loss increases, and because sliver is bearing larger tension force, thickness occurs sliver everywhere changes, and the turn on the sliver will reverse and move forward along hand of helix, sometimes even sliver occurs stir, just so that a large amount of turn is concentrated near the sliver that is of jaw forward, produced the heavy Distribution Phenomena of turn; For the front draft zone, owing to the reason such as unreasonable of the irregular and drafting unit design of the difference of the maturity of fiber itself, natural crimp, straightening of fibers degree and semi-products structure, cause the difference of Fiber Velocity point.Therefore, need the counter extensioin district to improve, to reach the purpose of improving the drawing-off effect.
Air-flow is a topmost measure in the spinning process, adopt the air-flow technology that RING SPINNING technology especially twisting process is improved the development that always is accompanied by spinning technique, wherein utilize negative-pressure air-flow to realize effectively gathering before the fiber twisting and then reduce the trigonum and improve the suction type of yarn quality to gather compact spinning technology be the most outstanding representative.Therefore, can adopt negative-pressure air-flow to improve in the counter extensioin district, to improve the drawing-off effect, improve yarn quality.
Summary of the invention
The purpose of this utility model provides a kind of upper pin assembly that gathers control applicable to the draw zone fibrous airstream.
To achieve these goals, the technical scheme of taking is:
A kind of upper pin assembly, a port is arranged or former and later two ports that connect by interface channel are arranged, having a port at least is hollow structure, and there is air outlet hollow port bottom surface, on at least one hollow port the negative-pressure air-flow passage is arranged, the negative-pressure air-flow passage is by being connected with negative pressure generating device.
Further, upper pin assembly only has a front port, and front port links to each other with the negative-pressure air-flow passage by the hollow interface channel.
Further, upper pin assembly has former and later two ports, and front port and interface channel are solid construction.
Further, upper pin assembly has former and later two ports, and two-port and interface channel are hollow-core construction, and the negative-pressure air-flow passage is only arranged on the rear port.
Further, upper pin assembly has former and later two ports, and two-port is hollow-core construction, and negative-pressure air-flow passage, interface channel are arranged is solid construction.
Front port can adopt arcuate structure, and radian is between 90 ° to 100 °, and rear port is that incline is the rectangular structure of circular arc.
In said structure, interface channel is the semicircular arc structure, and the rubber roll shaft of roller is embedded into this arc the inside during use, and in said structure, the air outlet shape of hollow port bottom can be circle, ellipse or square simultaneously.
In said structure, the negative-pressure air-flow that the negative-pressure air-suction air channel produces is directly delivered to the hollow port, and the air outlet by port bottom acts on fiber strip, thereby improves the drawing-off effect, improves yarn quality.
Description of drawings
Fig. 1 is the upper pin assembly structural representation that contains single front port of the present utility model;
Fig. 2 is pin assembly structural representation on the dual-port list negative pressure channel that contains the hollow rear port of the present utility model;
Fig. 3 is the pin assembly structural representation on two hollow port list negative pressure channels that contains of the present utility model;
Fig. 4 is the pin assembly structural representation on the two negative pressure channels of two hollow ports that contains of the present utility model;
Among the figure, 1 is front port, and 2 is interface channel, and 3 is the negative inspiratory pressure passage, and 4 is the inlet scoop, and 5 is air outlet, and 6 is rear port.
The specific embodiment
As shown in Figure 1, a kind of upper pin assembly, upper pin contains single front port 1, negative-pressure air-suction air channel 3 is contained in the rear end, contain inlet scoop 4 on it, front port 1 links to each other with negative-pressure air-suction air channel 3 by the interface channel 2 of hollow, and interface channel 2 be arcuate structure, and front port 1 is to contain air outlet 5 bottom hollow and the both sides that are positioned at interface channel 2.
During use, the rubber roll shaft of roller is embedded into interface channel 2 arcuate structures the inside, and front port 1 is positioned at the front draft zone, and negative-pressure air-suction air channel 3 is positioned at the first break draft district, simultaneously two aprons are tightly placed on the two ends of front port of roller and upper pin and tensioning, and rotate to drive self rotation by roller.Negative-pressure air-suction air channel 3 can link to each other with the external connecting negative pressure generation device by inlet scoop 4, the negative-pressure air-flow that produces is delivered to the front port 1 of hollow by the interface channel 2 of hollow, then the air outlet 5 by upper pin front port 1 bottom acts on the proparea fiber strip, realizes the fiber control to the proparea drafting process.
As shown in Figure 2, a kind of upper pin assembly, upper pin contains former and later two ports, two ports link to each other by solid interface channel 2, and interface channel is arcuate structure, and rear port 6 is that air outlet 6 is contained in hollow and the bottom, both sides that is positioned at interface channel 2, and front port 1 is solid construction, the link position of rear port 6 contains negative-pressure air-suction air channel 3, contains inlet scoop 4 on it.
During use, the rubber roll shaft of roller is embedded into interface channel 2 arcuate structures the inside, and front port 1 is positioned at the front draft zone, and rear port 6 is positioned at the first break draft district, two aprons be tightly placed in roller and upper pin two-port two ends on and tensioning and is rotated to drive self by roller and is rotated.Negative-pressure air-suction air channel 3 can link to each other with the external connecting negative pressure generation device by inlet scoop 4, and the negative-pressure air-flow of generation is directly delivered to the rear port 6 of hollow, and the air outlet 5 by the bottom acts on the back zone fiber strip then, realizes the fiber control to the back area draft process.
As shown in Figure 3, a kind of upper pin assembly, upper pin contains former and later two ports, two ports link to each other by hollow interface channel 2, and interface channel is arcuate structure, air outlet 6 is contained in the both sides bottom that front and back end ports is hollow and is positioned at interface channel 2, and the link position of rear port 6 contains negative-pressure air-suction air channel 3, contains inlet scoop 4 on it.
During use, the rubber roll shaft of roller is embedded into interface channel 2 arcuate structures the inside, and front port 1 is positioned at the front draft zone, and rear port 6 is positioned at the first break draft district, two aprons be tightly placed in roller and upper pin two-port two ends on and tensioning and is rotated to drive self by roller and is rotated.Negative-pressure air-suction air channel 3 can link to each other with the external connecting negative pressure generation device by inlet scoop 4, the negative-pressure air-flow that produces is directly delivered to rear port 6 on the one hand, be delivered on the other hand the front port 1 of hollow by the interface channel 2 of hollow, then district's fiber strip before and after the air outlet 5 by the bottom acts on is respectively realized the fiber control to front and back district drafting process.
As shown in Figure 4, a kind of upper pin assembly, upper pin contains former and later two ports, two ports link to each other by solid interface channel 2, and interface channel is arcuate structure, air outlet 6 is contained in the both sides bottom that front and back end ports is hollow and is positioned at interface channel 2, and the link position of front and back end ports all has negative-pressure air-suction air channel 3, contains inlet scoop 4 on it.
During use, the rubber roll shaft of roller is embedded into interface channel 2 arcuate structures the inside, and front port 1 is positioned at the front draft zone, and rear port 6 is positioned at the first break draft district, two aprons be tightly placed in roller and upper pin two-port two ends on and tensioning and is rotated to drive self by roller and is rotated.Negative-pressure air-suction air channel 3 can link to each other with the external connecting negative pressure generation device by inlet scoop 4, the negative-pressure air-flow that produces is directly delivered to respectively front and back end ports, then district's fiber strip before and after the air outlet 5 by the bottom acts on is respectively realized the fiber control to front and back district drafting process.
Claims (9)
1. go up pin assembly for one kind, it is characterized in that: a port is arranged or former and later two ports that connect by interface channel are arranged, having a port at least is hollow structure, and there is air outlet described hollow port bottom surface, at least one described hollow port the negative-pressure air-flow passage is arranged.
2. a kind of upper pin assembly as claimed in claim 1, it is characterized in that: described upper pin assembly only has a front port, and described front port links to each other with described negative-pressure air-flow passage by the hollow interface channel.
3. a kind of upper pin assembly as claimed in claim 1, it is characterized in that: described upper pin assembly has former and later two ports, and described front port and described interface channel are solid construction.
4. a kind of upper pin assembly as claimed in claim 1, it is characterized in that: described upper pin assembly has former and later two ports, and described two-port and described interface channel are hollow-core construction, and described negative-pressure air-flow passage is only arranged on the described rear port.
5. a kind of upper pin assembly as claimed in claim 1, it is characterized in that: described upper pin assembly has former and later two ports, and described two-port is hollow-core construction, and described negative-pressure air-flow passage is arranged, and described interface channel is solid construction.
6. such as each described a kind of upper pin assembly of claim 1-5, it is characterized in that: described interface channel is the semicircular arc structure.
7. such as each described a kind of upper pin assembly of claim 1-5, it is characterized in that: the air outlet shape of described hollow port bottom can be circle, ellipse or square.
8. such as each described a kind of upper pin assembly of claim 2-5, it is characterized in that: described front port can adopt arcuate structure, and radian is between 90 ° to 100 °.
9. such as each described a kind of upper pin assembly of claim 3-5, it is characterized in that: described rear port is that incline is the rectangular structure of circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220382240 CN202786579U (en) | 2012-08-03 | 2012-08-03 | Upper pin device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220382240 CN202786579U (en) | 2012-08-03 | 2012-08-03 | Upper pin device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202786579U true CN202786579U (en) | 2013-03-13 |
Family
ID=47813874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220382240 Expired - Fee Related CN202786579U (en) | 2012-08-03 | 2012-08-03 | Upper pin device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202786579U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104562324A (en) * | 2015-01-27 | 2015-04-29 | 江南大学 | Combined adjustment upper pin |
-
2012
- 2012-08-03 CN CN 201220382240 patent/CN202786579U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104562324A (en) * | 2015-01-27 | 2015-04-29 | 江南大学 | Combined adjustment upper pin |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20150803 |
|
| EXPY | Termination of patent right or utility model |