CN203021714U - Drafting device of roving machine suitable for large draft multiple - Google Patents
Drafting device of roving machine suitable for large draft multiple Download PDFInfo
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- CN203021714U CN203021714U CN 201320061773 CN201320061773U CN203021714U CN 203021714 U CN203021714 U CN 203021714U CN 201320061773 CN201320061773 CN 201320061773 CN 201320061773 U CN201320061773 U CN 201320061773U CN 203021714 U CN203021714 U CN 203021714U
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Abstract
The utility model discloses a drafting device of a roving machine suitable for a large draft multiple. The device is of a four-roller four-short leather apron drafting type and is provided with three drafting areas, namely an auxiliary drafting area, a main drafting area and an arranging area, and each of the main drafting area and the auxiliary drafting area is provided with a dual-short leather apron drafting device comprising an upper leather apron, a lower leather apron, an upper pin and a lower pin. The drafting device of the roving machine, disclosed by the utility model, is provided with the double-short leather apron auxiliary drafting area and has two leather apron drafting areas in total so as to break through the mode of arranging two roller simple drafting areas and increasing one double-short leather apron drafting area of a traditional drafting device, realize large draft multiple production of the roving machine and be capable of smoothly realizing the production process of one roving process step when spinning cotton yarn with the yarn density of 150s and above. The drafting device disclosed by the utility model can be suitable for the large draft multiple of 12-20 times of the roving machine on the premise of ensuring the quality of the formed yarn.
Description
Technical field:
The utility model relates to a kind of textile machine drafting system, relates in particular to a kind of bobbiner drafting assembly that adapts to the high draft multiple.
Background technology:
One of task of Speed frames is drawing-off, is about to ripe and takes out long drawing-down and become the rove bar, and for guaranteeing normal drawing-off, the drafting system that originally uses mostly is four roller double-short leather-ring drawing-offs.This kind drafting system is comprised of first break draft district, main drawing area, Distribution Area three parts, and first break draft district, Distribution Area are simple roller draft, and main drawing area is apron draft.Main drawing area is provided with by upper and lower apron, upper and lower pin, the apron control element that spacing block forms.Under the prerequisite that guarantees the roving yarn quality that spins, the drafting multiple scope of three parts is respectively 1.06-1.53,3.83-7.78,1.02.Total draft multiple=back zone drafting multiple * main drawing area drafting multiple * Distribution Area drafting multiple is so the scope of total draft multiple is 4.14-12.14.In textile thread density 150
sWhen reaching above cotton yarn, too small because of the cotton yarn cross-sectional area, be confined to drafting multiple and the yield and quality requirement of next procedure fine spining machine, the Speed frames drafting multiple need to be more than 16 times, and former roving-drafting device can't meet the demands.Therefore, increase Roving Frames on technique one, namely adopted two road rove on flow process, increased production cost like this when large-scale production, reduced the competitiveness of product in market.
Summary of the invention:
Technical problem to be solved in the utility model just is to provide a kind of bobbiner drafting assembly that adapts to the high draft multiple, and this device can be at the Speed frames high draft multiple that adapts under the prerequisite that guarantees yarn quality between 12-20 times.
In order to solve the problems of the technologies described above, the technical solution that a kind of bobbiner drafting assembly that adapts to the high draft multiple of the utility model adopts is such: described drafting system is the four short apron draft patterns of roller four, is provided with secondary draw zone, main drawing area, three of Distribution Area draw zone; The first draw zone is secondary draw zone, and secondary draw zone is comprised of a pair of roller, and top roller is rubber roll nude apron roller, and bottom roll is metal material annular knurl roller, and secondary draw zone is provided with the double short belt drafting device that is comprised of upper leather ring, lower apron, upper pin, downside pin; The second draw zone is main drawing area, main drawing area is comprised of two pairs of rollers, the top roller adjacent with secondary draw zone is rubber roll nude apron roller, bottom roll is metal material annular knurl roller, the top roller adjacent with the Distribution Area is roller, bottom roll is the metal material fluted roll, and main drawing area is provided with the double short belt drafting device that is comprised of upper leather ring, lower apron, upper pin, downside pin; The 3rd draw zone is the Distribution Area, and the Distribution Area is comprised of a pair of roller, and top roller is roller, and bottom roll is the metal material fluted roll.
after adopting technique scheme, the bobbiner drafting assembly that adapts to the high draft multiple because the utility model is a kind of is the four short apron draft patterns of roller four, be provided with secondary draw zone, main drawing area, three of Distribution Area draw zone, main drawing area and secondary draw zone are equipped with by upper leather ring, lower apron, upper pin, the double short belt drafting device that downside pin forms, like this, its Distribution Area is simple roller draft, main drawing area and secondary draw zone are apron draft, and the characteristics of apron draft that to be Fiber Velocity point concentrate is forward, control to floating fiber is strong, adapt to the high draft multiple, thereby bobbiner drafting assembly of the present utility model arranges two apron draft districts, can realize the production of high draft multiple.
The utility model is compared with other bobbiner drafting assembly, maximum difference just is to be provided with the secondary draw zone of double-short leather-ring, broken through traditional drafting system the pattern that two simple draw zones of roller add a double-short leather-ring draw zone has been set, realized the high draft multiple production of Speed frames, in textile thread density 150
sCan realize smoothly the production procedure of one Roving Frames when reaching above cotton yarn.This device can be at the Speed frames high draft multiple that adapts under the prerequisite that guarantees yarn quality between 12-20 times.
Description of drawings:
Fig. 1 is a kind of working state schematic representation that adapts to the bobbiner drafting assembly of high draft multiple of the utility model.
The specific embodiment:
As seen from Figure 1, bobbiner drafting assembly of the present utility model is the four short apron draft patterns of roller four, is provided with secondary draw zone, main drawing area, three of Distribution Area draw zone.According to sliver 1 feeding direction, first draw zone when sliver 1 enters drafting system is secondary draw zone; Secondary draw zone is comprised of a pair of roller, and top roller 2 is rubber roll nude apron roller, and bottom roll 3 is steel annular knurl roller; Secondary draw zone is provided with the double short belt drafting device that is comprised of upper leather ring 4, lower apron 5, upper pin 6, downside pin 7.Second draw zone is main drawing area, and main drawing area is comprised of two pairs of rollers, and the top roller 8 adjacent with secondary draw zone is rubber roll nude apron roller, and bottom roll 9 is steel annular knurl roller; The top roller 10 adjacent with the Distribution Area is roller, and bottom roll 11 is the steel fluted roll; Main drawing area is provided with the double short belt drafting device that is comprised of upper leather ring 12, lower apron 13, upper pin 14, downside pin 15.The 3rd draw zone is the Distribution Area, and the Distribution Area is comprised of a pair of roller, and top roller 16 is roller, and bottom roll 17 is the steel fluted roll.Above-mentioned four row bottom rolls 3,9,11,17 surfaces at grade, wherein steel annular knurl roller 3,9 diameters are 25mm, steel fluted roll 11,17 diameters are 28mm.Above-mentioned four list in roller 2,8,10,16, and rubber roll nude apron roller 2,8 diameters are 25mm, and roller 10,16 diameters are 31mm.
The drafting of sliver that this bobbiner drafting assembly is large with line density is that the course of work of sliver is as follows:
When the sliver 1 that line density is larger enters drafting system, at first pass through the horn mouth 18 of Speed frames feed mechanism out, namely enter secondary draw zone, because secondary draw zone is the double-short leather-ring draw zone that upper pin 6, downside pin 7 are controlled, so the drafting multiple of secondary draw zone can be made as larger drafting multiple, scope is 2-3 times.Through the sliver 1 of secondary draw zone drawing-off, line density reduces, along with the revolution of roller enters into main drawing area, main drawing area is the double-short leather-ring draw zone that upper pin 14, downside pin 15 are controlled, because sliver 1 line density of feeding is less, so that drafting multiple can arrange is larger, scope be 3-7 doubly.Completed the sliver 1 of major and minor draw zone drawing-off, entered the Distribution Area and arrange, output after arrangement is completed.
Claims (1)
1. bobbiner drafting assembly that adapts to the high draft multiple, it is characterized in that: described drafting system is the four short apron draft patterns of roller four, is provided with secondary draw zone, main drawing area, three of Distribution Area draw zone; The first draw zone is secondary draw zone, secondary draw zone is comprised of a pair of roller, top roller (2) is rubber roll nude apron roller, bottom roll (3) is metal material annular knurl roller, and secondary draw zone is provided with the double short belt drafting device that is comprised of upper leather ring (4), lower apron (5), upper pin (6), downside pin (7); The second draw zone is main drawing area, main drawing area is comprised of two pairs of rollers, the top roller (8) adjacent with secondary draw zone is rubber roll nude apron roller, bottom roll (9) is metal material annular knurl roller, the top roller (10) adjacent with the Distribution Area is roller, bottom roll (11) is the metal material fluted roll, and main drawing area is provided with the double short belt drafting device that is comprised of upper leather ring (12), lower apron (13), upper pin (14), downside pin (15); The 3rd draw zone is the Distribution Area, and the Distribution Area is comprised of a pair of roller, and top roller (16) is roller, and bottom roll (17) is the metal material fluted roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320061773 CN203021714U (en) | 2013-01-11 | 2013-01-11 | Drafting device of roving machine suitable for large draft multiple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320061773 CN203021714U (en) | 2013-01-11 | 2013-01-11 | Drafting device of roving machine suitable for large draft multiple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203021714U true CN203021714U (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320061773 Expired - Fee Related CN203021714U (en) | 2013-01-11 | 2013-01-11 | Drafting device of roving machine suitable for large draft multiple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203021714U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088481A (en) * | 2013-01-11 | 2013-05-08 | 安徽华茂纺织股份有限公司 | Fly frame drafting device adapting to large draft ratios |
| CN103510222A (en) * | 2013-10-14 | 2014-01-15 | 江南大学 | Efficient fine yarn production method |
-
2013
- 2013-01-11 CN CN 201320061773 patent/CN203021714U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088481A (en) * | 2013-01-11 | 2013-05-08 | 安徽华茂纺织股份有限公司 | Fly frame drafting device adapting to large draft ratios |
| CN103510222A (en) * | 2013-10-14 | 2014-01-15 | 江南大学 | Efficient fine yarn production method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20210111 |