CN201746627U - Spun yarn bottom pin - Google Patents
Spun yarn bottom pin Download PDFInfo
- Publication number
- CN201746627U CN201746627U CN2010202033628U CN201020203362U CN201746627U CN 201746627 U CN201746627 U CN 201746627U CN 2010202033628 U CN2010202033628 U CN 2010202033628U CN 201020203362 U CN201020203362 U CN 201020203362U CN 201746627 U CN201746627 U CN 201746627U
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- China
- Prior art keywords
- spun yarn
- fiber
- rubber rings
- speed changing
- downside pin
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- Expired - Lifetime
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Abstract
The utility model discloses a part in a spinning device, in particular to a spun yarn bottom pin in a spun yarn drafting device, comprising a T-shaped pin body composed of a transverse upper part and a vertical lower part, wherein the upper surface of the upper part of the pin body touches supporting rubber rings and is transverse cambered surface. The spun yarn bottom pin has the advantages that under the condition that the tension force of tension brackets is same, the elastic action of the supporting rubber rings is increased; the rubber rings selves have elasticity and are fully expressed, so the strength of the friction field near the jaw of the rubber rings and the friction field of the middle part of a main drafting area are increased; the upper and lower rubber rings stably control fiber, so the friction field in the drafting area is reasonably distributed; fiber speed changing points move forwards, so speed changing is more stable, speed changing in advance is prevented after floating fiber reaches a front jaw, and the speed changing points are uniform; yarn line, thin knobs and thick knobs are easily improved; and the resultant yarn quality is improved to a great extent.
Description
Technical field
The utility model relates to the parts in a kind of spinning apparatus, the spun yarn downside pin in particularly a kind of spinning-drafting device.
Background technology
The spun yarn downside pin is one of critical piece in the spinning-drafting device, reaches the purpose of drawing-off and controlling fiber motion with pin acting in conjunction on roller, roller, apron, reel cage, the elasticity in the rove yarn, and yarn quality is played key effect.Draw zone fiber speed change point distributes and output sliver bar evenness has confidential relation, because fine spining machine drafting multiple height, number of fiber is few in the sliver unit cross section, and is flat in order to obtain to become uniformly the sliver solid carbon dioxide, thereby higher to the control and the stability requirement of floating fiber.That is: suitably strengthen and stable control, should make as much as possible and move square deviation X (E-1) value between fiber and reduce or make X → O, jaw is concentrated forward as much as possible promptly to require the head end speed change point position distribution of all fibres.The drafting force that satisfies the required suitable intensity of the whole coring bar of drawing-off is provided, so that closely contact mutually between fiber keeps certain frictional force, fiber guide power is stable before making, and keeps fiber to stablize speed change.As Fig. 2, the top of former downside pin is stepped,, has carried out the improvement of aspects such as " curvature portion prolong, and plane and straight line partly shortens, and just berm width reduces, and flange improves, and ladder height increases " through long-term development.But find that in long-term use still there is the defective of straight line planar section in former downside pin,, weakened control, influenced yarn quality sliver though length is dwindled.
Summary of the invention
For solving above technical deficiency, the utility model provides a kind of effectively spun yarn downside pin of control of counter extensioin yarn fiber that strengthens.
The utility model is realized by following measure:
A kind of spun yarn downside pin of the present utility model comprises the T shape shank of being made up of horizontal top and vertical bottom, and the upper surface on described shank top contacts with supporting cushion rubber, and the upper surface on described shank top is horizontal arcwall face.The left side camber line is higher than right side camber line height.It is 2mm that the left side, bottom surface on shank top 2 is higher than right side L3.The bottom surface, right side on shank top 2 overhead height of arcwall face to the shank top 2 is that L2 is 7mm.
The upper surface on spun yarn downside pin top is an arcwall face, has cancelled the plane on original spun yarn downside pin top, and the total height of curvature portion rationally strengthens.The rove bar there is a slight grip hold arc, has increased the cohesive force of fiber, make roving-drafting more even.This structure has strengthened the middle part friction field, has strengthened between the last lower support cushion rubber 4 making the distribution of draw zone internal friction power circle more reasonable to the control of fiber, and fiber speed change point is moved forward, and makes speed change more stable, improves yarn quality to a great extent.
Under the identical situation of tension bracket 5 tension force, its elastic reaction that supports cushion rubber 4 strengthens, support the elasticity that cushion rubber 4 self has, more can give full play to, make that upper and lower support cushion rubber 4 controlling fiber are stable near the intensity enhancing of friction field that supports cushion rubber 4 jaw places and main drawing area middle part friction field, friction is strong, prevent floating fiber arrive before speed change in advance behind the jaw, speed change point is even, helps into that sliver is dried, the improvement of details and slubbing.Enhancement curve drawing-off effect has strengthened the back friction field at drawing-off middle part, makes the rear portion of fiber postpone speed change, and is all favourable to stretching of leading hooked fibre or trailing hooked fibre.
Spun yarn downside pin of the present utility model, the upper surface left side camber line on described shank top is higher than right side camber line height.
Spun yarn downside pin of the present utility model, the left side, bottom surface on described shank top is higher than right side 2mm.
Spun yarn downside pin of the present utility model, the bottom surface, right side on the described shank top overhead height of arcwall face to the shank top is 7mm.
The beneficial effects of the utility model are: the arcwall face design of downside pin, under the identical situation of tension bracket tension force, its elastic reaction that supports cushion rubber strengthens, the elasticity that cushion rubber self has, more can give full play to, the intensity enhancing of the friction field at feasible close cushion rubber jaw place and main drawing area middle part friction field, on, following cushion rubber controlling fiber is stable, make the distribution of draw zone internal friction power circle more reasonable,, make speed change more stable the reach of fiber speed change point, prevent to shift to an earlier date speed change after floating fiber from arriving preceding jaw, speed change point is even, helps into sliver and does, the improvement of details and slubbing improves yarn quality to a great extent.
Description of drawings
Fig. 1 is a main TV structure schematic diagram of the present utility model.
Fig. 2 is the profile of former spun yarn downside pin A-A in Fig. 1.
Fig. 3 is the profile of the utility model A-A in Fig. 1.
Fig. 4 is the utility model user mode structural representation.
Among the figure: 1 shank, 2 shank tops, 3 shank bottoms, 4 support cushion rubber, 5 tension brackets.
The specific embodiment
Shown in Fig. 1,3, spun yarn downside pin of the present utility model comprises the T shape shank of being made up of horizontal top and vertical bottom 1, and the upper surface on shank top 2 contacts with supporting cushion rubber 4, and the upper surface on shank top 2 is horizontal arcwall face.The overhead height L1 of shank top 2 left ends and arcwall face is 3mm.Shank bottom 3 distance L 4 of axis and shank top 2 right-hand members longitudinally is 10mm.The upper surface left side camber line on shank top 2 is higher than right side camber line height.It is 2mm that the left side, bottom surface on shank top 2 is higher than right side L3.The bottom surface, right side on shank top 2 overhead height of arcwall face to the shank top 2 is that L2 is 7mm.
The upper surface on spun yarn downside pin top is an arcwall face, has cancelled planar section, and the total height of curvature portion rationally strengthens.The rove bar there is a slight grip hold arc, has increased the cohesive force of fiber, make roving-drafting more even.This structure has strengthened the middle part friction field, has strengthened between the last lower support cushion rubber 4 making the distribution of draw zone internal friction power circle more reasonable to the control of fiber, and fiber speed change point is moved forward, and makes speed change more stable, improves yarn quality to a great extent.
Under the identical situation of tension bracket 5 tension force, its elastic reaction that supports cushion rubber 4 strengthens, support the elasticity that cushion rubber 4 self has, more can give full play to, make that upper and lower support cushion rubber 4 controlling fiber are stable near the intensity enhancing of friction field that supports cushion rubber 4 jaw places and main drawing area middle part friction field, friction is strong, prevent floating fiber arrive before speed change in advance behind the jaw, speed change point is even, helps into that sliver is dried, the improvement of details and slubbing.Enhancement curve drawing-off effect has strengthened the back friction field at drawing-off middle part, makes the rear portion of fiber postpone speed change, and is all favourable to stretching of leading hooked fibre or trailing hooked fibre.
Claims (6)
1. a spun yarn downside pin comprises the T shape shank of being made up of horizontal top and vertical bottom (1), and the upper surface on described shank top (2) contacts with supporting cushion rubber (4), and it is characterized in that: the upper surface on described shank top (2) is horizontal arcwall face.
2. spun yarn downside pin according to claim 1 is characterized in that: the overhead height of described shank top (2) left end and arcwall face is 3mm.
3. spun yarn downside pin according to claim 1 is characterized in that: described shank bottom (3) distance of axis and shank upper right end longitudinally is 10mm.
4. spun yarn downside pin according to claim 1 is characterized in that: the upper surface left side camber line on described shank top (2) is higher than right side camber line height.
5. spun yarn downside pin according to claim 1 is characterized in that: the left side, bottom surface on described shank top (2) is higher than right side 2mm.
6. spun yarn downside pin according to claim 1 is characterized in that: the bottom surface, right side on described shank top (2) overhead height of arcwall face to the shank top is 7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202033628U CN201746627U (en) | 2010-05-26 | 2010-05-26 | Spun yarn bottom pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202033628U CN201746627U (en) | 2010-05-26 | 2010-05-26 | Spun yarn bottom pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201746627U true CN201746627U (en) | 2011-02-16 |
Family
ID=43581307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202033628U Expired - Lifetime CN201746627U (en) | 2010-05-26 | 2010-05-26 | Spun yarn bottom pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201746627U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111118676A (en) * | 2020-01-17 | 2020-05-08 | 山东宏业纺织股份有限公司 | Gear type selection method of spinning frame and spinning frame |
| CN115961391A (en) * | 2022-11-22 | 2023-04-14 | 武汉纺织大学 | Detachable tension self-adjusting cotton spinning lower pin |
-
2010
- 2010-05-26 CN CN2010202033628U patent/CN201746627U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111118676A (en) * | 2020-01-17 | 2020-05-08 | 山东宏业纺织股份有限公司 | Gear type selection method of spinning frame and spinning frame |
| CN111118676B (en) * | 2020-01-17 | 2023-06-06 | 山东宏业纺织股份有限公司 | Gear selecting method of spinning frame and spinning frame |
| CN115961391A (en) * | 2022-11-22 | 2023-04-14 | 武汉纺织大学 | Detachable tension self-adjusting cotton spinning lower pin |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110216 |