CN2075661U - Radius curve pressure stick of drawing frame graduated curvature - Google Patents
Radius curve pressure stick of drawing frame graduated curvature Download PDFInfo
- Publication number
- CN2075661U CN2075661U CN 89205512 CN89205512U CN2075661U CN 2075661 U CN2075661 U CN 2075661U CN 89205512 CN89205512 CN 89205512 CN 89205512 U CN89205512 U CN 89205512U CN 2075661 U CN2075661 U CN 2075661U
- Authority
- CN
- China
- Prior art keywords
- drawing frame
- curve
- curvature
- stick
- radius
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a pressure stick of a drawing frame, particularly a pressure stick with a graduated curvature radius curve of a drawing frame. A stick body and the axle heads at two ends are mainly connected and formed integration which is sheathed in the axle holes of a right and a left supporting pins of the pressure stick by a pin fastening. The surface of the stick body is a graduated curve which is composed of a small curvature radius curve and a large curvature radius curved line. The stick body is arranged between a front roller of the drawing frame and a second roller to shorten the free area of flotation. The edges of the front and the back friction are distributed homogeneously in convenience for controlling cotton fiber, so that the degree of the uniformity of the strips of the cotton is enhanced.
Description
The utility model relates to a kind of pressure bar of drawing frame, particularly a kind of cumulative radius of curvature curve pressure bar.
Drawing frame particularly High-speed Drawing Frame is provided with pressure bar for additional friction power circle, the control of reasonably arranging drawing-off swim district, raising straightening of fibers degree with the uniformity of further raising sliver.Its section of existing pressure bar has circle, super semicircle, positive semicircle, inferior semicircle, fan-shaped, fan-shaped partially, logarithmic curve shape and knife-edge etc., preceding four kinds of form friction fields extend is forward placed restrictions on, length of floating area is big, and friction field distribution consistency degree difference is big.The four kinds of more preceding extensions of form friction field in back can further be dwindled the length of floating area friction field and be evenly distributed, but rear portion friction field circle radius of curvature big and seem a little less than, effective controlling fiber.Can only play a role to improving the sliver uniformity.
The purpose of this utility model provides a kind of improved drawing frame with cumulative radius of curvature curve pressure bar, and its section is by the circle of different curvature radius and fan-shaped combination, radius of curvature by after progressively increase forward.
The utility model is finished as follows: the cumulative line curve of drawing frame, pressure bar is combined as a whole by the spindle nose at barred body and two ends, spindle nose is sleeved in the axis hole of pressure bar left side stand-off and right stand-off, fix it by pin, the surface curve of barred body section is by small curvature radius, the cumulative curve that curve and larger radius of curvature curve are formed.Barred body is by steel cold-drawn moulding, the plating hard chromium on surface polishing.This pressure bar is by adorning between the High-speed Drawing Frame front roller and second roller.
The utility model is regulated friction field by circular and fan-shaped curvature, length of floating area is more dwindled, 16～17 millimeters of free zones have been dwindled again, friction field is more to protracting, make that fiber speed change point more moves forward near jaw in the drawing-off, friction field is more to protracting, both guaranteed that the proparea friction field expanded forward, guaranteed the intensity of additional friction power circle again, friction field is taken into account and is evenly distributed before and after making, prolonged the controlled time of fiber, helped stretching with bar of trailing hooked fibre and do all raisings of degree, Saco-lowell evenness irregularity per pass drafting can reduce more than 1.5%.
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is the utility model structure chart
Fig. 2 is the utility model A-A profile
Fig. 3 is the utility model active position figure
With reference to Fig. 1, the cumulative radius of curvature curve of drawing frame pressure bar (1) is combined as a whole by the spindle nose (3) of barred body (2) with two ends, and spindle nose (3) is sleeved in the axis hole of pressure bar left side stand-off (4) and right stand-off (5), fixes it by pin (6).With reference to Fig. 2, the cumulative curve that the surface of barred body (2) is made up of small curvature radius curve (7) and larger radius of curvature curve (8), barred body (2) are to be formed by the polishing of steel cold-drawn profiled surface hard chrome plating.With reference to Fig. 3, this pressure bar is to be positioned between High-speed Drawing Frame front roller (9) and second roller (10) by dress.
Claims (2)
1, cumulative radius of curvature curve pressure bar on a kind of drawing frame is combined as a whole by the spindle nose (3) at barred body (2) and two ends, it is characterized in that the cumulative curve that the surface of barred body (2) is made up of small curvature radius curve (7) and larger radius of curvature curve (8).
2, by the cumulative radius of curvature curve of the described drawing frame of claim 1 pressure bar, it is characterized in that pressure bar (1) is chromed hardened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89205512 CN2075661U (en) | 1989-02-21 | 1989-02-21 | Radius curve pressure stick of drawing frame graduated curvature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89205512 CN2075661U (en) | 1989-02-21 | 1989-02-21 | Radius curve pressure stick of drawing frame graduated curvature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2075661U true CN2075661U (en) | 1991-04-24 |
Family
ID=4862687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89205512 Expired - Lifetime CN2075661U (en) | 1989-02-21 | 1989-02-21 | Radius curve pressure stick of drawing frame graduated curvature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2075661U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1702208B (en) * | 2004-05-29 | 2012-01-04 | 利特英格纺织机械制造股份公司 | Pressure rod and spinning preparation machine with the pressure rod |
| CN106012126A (en) * | 2016-07-14 | 2016-10-12 | 浙江卓怡纺织有限公司 | Drafting device of drawing frame |
-
1989
- 1989-02-21 CN CN 89205512 patent/CN2075661U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1702208B (en) * | 2004-05-29 | 2012-01-04 | 利特英格纺织机械制造股份公司 | Pressure rod and spinning preparation machine with the pressure rod |
| CN102443888A (en) * | 2004-05-29 | 2012-05-09 | 利特英格纺织机械制造股份公司 | Pressure rod and spinning preparation machine with the pressure rod |
| CN102443888B (en) * | 2004-05-29 | 2015-06-10 | 利特英格纺织机械制造股份公司 | Pressure rod and spinning preparation machine with the pressure rod |
| CN106012126A (en) * | 2016-07-14 | 2016-10-12 | 浙江卓怡纺织有限公司 | Drafting device of drawing frame |
| CN106012126B (en) * | 2016-07-14 | 2018-01-30 | 浙江卓怡纺织有限公司 | A kind of drafting device of drawing frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |