CN203741488U - Drafting first-twist spinning device - Google Patents
Drafting first-twist spinning device Download PDFInfo
- Publication number
- CN203741488U CN203741488U CN201420099657.3U CN201420099657U CN203741488U CN 203741488 U CN203741488 U CN 203741488U CN 201420099657 U CN201420099657 U CN 201420099657U CN 203741488 U CN203741488 U CN 203741488U
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- Prior art keywords
- roller
- twist
- suction pieces
- suction
- air
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Abstract
The utility model relates to a drafting first-twist spinning device. The drafting first-twist spinning device comprises a drafting mechanism with a sucking unit; a front drafting pair is composed of a front roller, a twisting resistant roller and the sucking unit; an airflow guide unit is mounted above the sucking unit; the front roller, the twisting resistant roller, the airflow guide unit and the sucking unit together enclose a vortex twist zone for fiber rovings to pass through. The drafting first-twist spinning device can perform first twisting on the drafted untwisted fiber rovings in the drafting mechanism to provide the fiber rovings with initial twist and accordingly obtain higher clustering and compressing effects, thereby being beneficial to improving the quality of finish yarn and particularly reducing hairiness of the yarn to enhance the strength of the finish yarn.
Description
Technical field
The utility model relates to a kind of drawing-off first twist spinning apparatus, belongs to ring spinning technical field.
Background technology
According to the knowledge of the applicant, continue to use time-honored RING SPINNING and remain the current topmost spun yarn mode of production, which is taken out long drawing-down by the ribbon with certain twist of feeding, finally adds and is twisted required spun yarn.But the subject matter that RING SPINNING exists is: owing to there being twist triangle zone, can make on the one hand the tail end of limit fiber be difficult for being entered sliver and forming filoplume by winding; Because limit fiber and center fiber are subject to tension difference larger, when stretching, be difficult for fracture simultaneously on the other hand, cause making full use of the filamentary brute force of each root and reduce single end strength.
For head it off, textile limit researcher has carried out a large amount of research for frame spinning twist triangle zone, and in theoretical research, engineering practice, has obtained a series of great successes respectively.Wherein, optimize improved ring spinning technique twist triangle zone, especially reducing even to eliminate the research aspect of twist triangle zone, adopting airflow concentration mode that the tight gathering of yarn after drawing-off has been become to important technical.
For example, the Chinese invention patent of the patent No. 95108623.5 Granted publication CN1048298C discloses spinning method and the spinning frame of the suction roll that adopts guider on drafter, this patent is provided with air draught roller, and at its excircle, radially air draught district is set, the air that makes to flow into air draught roller produces cohesion, and the fiber band of drawing-off and no twist is condensed into ribbon closely.For another example, the Chinese utility model patent of the patent No. 03205608.7 Granted publication CN2677396Y discloses short aspiration channel type spun yarn gathering spinning apparatus, and this patent has also adopted the technological means similar to above-mentioned patent.
Existing airflow concentration technological means all adopts negative-pressure air-flow mode, in roller outputs to the region between twisting, the fiber strip of drawing-off and no twist is produced to cohesion, then reduce twist triangle zone, improve yarn quality, especially reducing resultant yarn filoplume.Yet, this direct cohesion to fiber strip to gather compression after all limited, cannot make fiber strip there is the initial twist simultaneously before twisting, be unfavorable for improving the brute force of final resultant yarn.
Summary of the invention
Technical problem to be solved in the utility model is: overcome the problem that prior art exists, a kind of drawing-off first twist spinning apparatus is provided, the fiber strip of drawing-off and no twist can be carried out to first twist, make it have the initial twist, and obtain accordingly the stronger compression effectiveness that gathers, be conducive to improve yarn quality.
The technical scheme in the invention for solving the technical problem is as follows:
A drawing-off first twist spinning apparatus, comprises and has the right drafter of some drawing-offs, described drawing-off is at least comprising front draft pair; It is characterized in that, described drafter also has cylindric suction pieces; Described front draft is to consisting of front leather roller, resistance twist roller, suction pieces; Described front leather roller and resistance twist roller form output with suction pieces respectively and grip jaw and resistance twist jaw; Described suction pieces top is mounted with the air-flow guide member between front leather roller and resistance twist roller; Described suction pieces sidewall is provided with the first suction channel, and described air-flow guide member is provided with the second suction channel; Described front leather roller, resistance twist roller, air-flow guide member and suction pieces surround the eddy current turn district that can pass through for fiber strip jointly.
The utility model device further perfect technical scheme is as follows:
Preferably, described the first suction channel is one group and is parallel to each other and along the first deep-slotted chip breaker of suction pieces circumferential skewing, the hollow region of described suction pieces is connected with outside air-extractor; Described the second suction channel is one group and is parallel to each other and along the second deep-slotted chip breaker of suction pieces axial bending; The bending direction of described first, second deep-slotted chip breaker is mutually vertical.
Preferably, described air-flow guide member has the substrate of axially placing along suction pieces, and described the second deep-slotted chip breaker is located on substrate.
Preferably, the substrate of described air-flow guide member has the crooked radian matching with suction pieces.
Preferably, described drawing-off to also comprise middle drawing-off to first break draft pair, described middle drawing-off is to consisting of medium rubber roller and middle roller, described first break draft is to consisting of rear roller and rear roller.
Compared with prior art, the utility model can be in drafter carries out first twist to the fiber strip of drawing-off and no twist, makes it have the initial twist, and obtains accordingly the stronger compression effectiveness that gathers, be conducive to improve yarn quality, especially reduce Yarn filoplume, improve yarn strength.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment spinning apparatus.
Fig. 2. Fig. 3 is respectively the cooperation schematic diagram of Fig. 1 embodiment suction pieces and air-flow guiding piece.
Fig. 4 is the schematic diagram in Fig. 1 embodiment eddy current turn district.In figure, arrow is air-flow direction.
Fig. 5 is that Fig. 1 embodiment fiber strip is at the structural change schematic diagram in eddy current turn district.
The specific embodiment
With reference to the accompanying drawings and in conjunction with the embodiments the utility model is described in further detail.But the utility model is not limited to given example.
Embodiment
As shown in Figures 1 to 5, the present embodiment drawing-off first twist spinning apparatus, comprises and has the right drafter of some drawing-offs, drawing-off is at least comprising front draft pair; Drafter also has cylindric suction pieces 10; Front draft is to consisting of front leather roller 7, resistance twist roller 8, suction pieces 10; Front leather roller 7 and resistance twist roller 8 form output with suction pieces 10 respectively and grip jaw 16 and resistance twist jaw 17; Suction pieces 10 tops are mounted with the air-flow guide member 9 between front leather roller 7 and resistance twist roller 8; Suction pieces 10 sidewalls are provided with the first suction channel, and air-flow guide member 9 is provided with the second suction channel; Front leather roller 7, resistance twist roller 8, air-flow guide member 9 and suction pieces 10 surround the eddy current turn district 15 that can pass through for fiber strip 18 jointly.
As shown in Figure 2 and Figure 3, the first suction channel is one group and is parallel to each other and along the first deep-slotted chip breaker 14 of suction pieces 10 circumferential skewings, the hollow region of suction pieces 10 is connected (not shown) with outside air-extractor; The second suction channel is one group and is parallel to each other and along the second deep-slotted chip breaker 13 of suction pieces 10 axial bendings; The bending direction of first, second deep-slotted chip breaker 14,13 is mutually vertical.In Fig. 2, Fig. 3, the bending direction of the second deep-slotted chip breaker 13 is contrary.Air-flow guide member 9 has the substrate of axially placing along suction pieces 10, and the second deep-slotted chip breaker 13 is located on substrate.The substrate of air-flow guide member 9 has the crooked radian matching with suction pieces 10.
Drawing-off to also comprise middle drawing-off to first break draft pair, middle drawing-off is to consisting of medium rubber roller 5 and middle roller 6, first break draft is to consisting of rear roller 3 and rear roller 4.
In addition, the present embodiment spinning apparatus also comprises twizzle 11 and spool 12.
Concrete running is as follows:
The first step, the ribbon 2 with the twist is sent into drafter from flyer bobbin or bar bobbin 1 carry out drawing-off; Output at drafter grips the fiber strip 18 that jaw 16 places obtain no twist;
Second step, fiber strip 18 move to eddy current turn district 15; Eddy current turn district 15 axially forms air-swirl from outside air amount and along fiber strip 18, and produces inverting action, and air-swirl produces first twist effect to fiber strip 18, makes fiber strip 18 have the initial twist; Be positioned under the swabbing action of the suction pieces 10 below eddy current turn district 15, fiber strip 18 is gathered to be compressed in suction pieces 10 and to form the columnar fiber bar with tight structure;
Detailed process is: externally under the swabbing action of air-extractor, extraneous air first enters eddy current turn district 15 along the second deep-slotted chip breaker 13 of air-flow guide member 9, along the first deep-slotted chip breaker 14 of suction pieces 10, enter again the hollow region of suction pieces 10, and finally by outside air-extractor, extracted out, make the 15 interior formation of eddy current turn district along the air-swirl of fiber strip 18 axial-rotations.
The 3rd step, columnar fiber bar are through resistance twist jaw 17 outputs of drafter and by turn formation spun yarn; Wherein, the diameter of second step gained columnar fiber bar is at most four times of the 3rd step gained spun yarn diameter.
In the present embodiment, suction pieces 10 has drawing-off concurrently and forms the dual-use function in eddy current turn district.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (5)
1. a drawing-off first twist spinning apparatus, comprises and has the right drafter of some drawing-offs, and described drawing-off is at least comprising front draft pair; It is characterized in that, described drafter also has cylindric suction pieces; Described front draft is to consisting of front leather roller, resistance twist roller, suction pieces; Described front leather roller and resistance twist roller form output with suction pieces respectively and grip jaw and resistance twist jaw; Described suction pieces top is mounted with the air-flow guide member between front leather roller and resistance twist roller; Described suction pieces sidewall is provided with the first suction channel, and described air-flow guide member is provided with the second suction channel; Described front leather roller, resistance twist roller, air-flow guide member and suction pieces surround the eddy current turn district that can pass through for fiber strip jointly.
2. drawing-off first twist spinning apparatus according to claim 1, is characterized in that, described the first suction channel is one group and is parallel to each other and along the first deep-slotted chip breaker of suction pieces circumferential skewing, the hollow region of described suction pieces is connected with outside air-extractor; Described the second suction channel is one group and is parallel to each other and along the second deep-slotted chip breaker of suction pieces axial bending; The bending direction of described first, second deep-slotted chip breaker is mutually vertical.
3. drawing-off first twist spinning apparatus according to claim 2, is characterized in that, described air-flow guide member has the substrate of axially placing along suction pieces, and described the second deep-slotted chip breaker is located on substrate.
4. drawing-off first twist spinning apparatus according to claim 3, is characterized in that, the substrate of described air-flow guide member has the crooked radian matching with suction pieces.
5. drawing-off first twist spinning apparatus according to claim 4, is characterized in that, described drawing-off to also comprise middle drawing-off to first break draft pair, described middle drawing-off is to consisting of medium rubber roller and middle roller, described first break draft is to consisting of rear roller and rear roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420099657.3U CN203741488U (en) | 2014-03-06 | 2014-03-06 | Drafting first-twist spinning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420099657.3U CN203741488U (en) | 2014-03-06 | 2014-03-06 | Drafting first-twist spinning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203741488U true CN203741488U (en) | 2014-07-30 |
Family
ID=51341309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420099657.3U Withdrawn - After Issue CN203741488U (en) | 2014-03-06 | 2014-03-06 | Drafting first-twist spinning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203741488U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103789889A (en) * | 2014-03-06 | 2014-05-14 | 江南大学 | Drafting primary-twist spinning method and device |
| CN105624854A (en) * | 2016-04-05 | 2016-06-01 | 江南大学 | Spinning device for improving yarn quality and spinning method |
| CN107447305A (en) * | 2017-09-19 | 2017-12-08 | 新疆溢达纺织有限公司 | The Nesting Zone synchronization traversing drafting system of negative pressure type compact spinning |
-
2014
- 2014-03-06 CN CN201420099657.3U patent/CN203741488U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103789889A (en) * | 2014-03-06 | 2014-05-14 | 江南大学 | Drafting primary-twist spinning method and device |
| CN103789889B (en) * | 2014-03-06 | 2015-03-04 | 江南大学 | Drafting primary-twist spinning method and device |
| CN105624854A (en) * | 2016-04-05 | 2016-06-01 | 江南大学 | Spinning device for improving yarn quality and spinning method |
| CN105624854B (en) * | 2016-04-05 | 2017-10-27 | 江南大学 | It is a kind of to improve the spinning apparatus and Yarn spinning method of yarn quality |
| CN107447305A (en) * | 2017-09-19 | 2017-12-08 | 新疆溢达纺织有限公司 | The Nesting Zone synchronization traversing drafting system of negative pressure type compact spinning |
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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: 20140730 Effective date of abandoning: 20150304 |
|
| RGAV | Abandon patent right to avoid regrant |