CN113308770B - A roving compact spinning buncher - Google Patents
A roving compact spinning buncher Download PDFInfo
- Publication number
- CN113308770B CN113308770B CN202110749308.6A CN202110749308A CN113308770B CN 113308770 B CN113308770 B CN 113308770B CN 202110749308 A CN202110749308 A CN 202110749308A CN 113308770 B CN113308770 B CN 113308770B
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- Prior art keywords
- yarn
- buncher
- roving
- channel
- yarn path
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- 238000009987 spinning Methods 0.000 title claims abstract description 15
- 230000007423 decrease Effects 0.000 claims abstract description 4
- 239000011230 binding agent Substances 0.000 claims description 6
- 206010020112 Hirsutism Diseases 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 241001589086 Bellapiscis medius Species 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/70—Constructional features of drafting elements
- D01H5/72—Fibre-condensing guides
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
本发明公开了一种粗纱紧密纺集束器，包括集束器杆和两个集束块；集束块包括本体，本体是一楔形块，本体包括位于纱线入口一侧的A面和位于纱线出口一侧的D面，本体上的一水平面为B面、左右对称面为C面；本体上设有自A面贯穿至背面的纱路通道，纱路通道是由内面表是一封闭式空间曲面形成的通道，纱路通道的轴线与C面的夹角为θ，同时与B面的夹角为β，纱线通道自上而下且自左向右穿过本体且逐渐减小，呈缩口的倒喇叭型。通过在牵伸的前牵伸区设置此集束器，可改变粗纱输送的纱路，从而使粗纱集束效果更好，减小前罗拉出口的弱捻区，提高粗纱强力，降低粗纱毛羽，提高成纱质量。
The invention discloses a roving compact spinning buncher, comprising a buncher rod and two bunching blocks; the bunching block comprises a body, which is a wedge-shaped block, and comprises an A surface located at one side of the yarn inlet and a D surface located at one side of the yarn outlet, a horizontal surface on the body is the B surface, and a left-right symmetrical surface is the C surface; a yarn path channel is provided on the body, which runs from the A surface to the back surface, and the yarn path channel is a channel formed by a closed space curved surface on the inner surface, and the angle between the axis of the yarn path channel and the C surface is θ, and the angle between the axis of the yarn path channel and the B surface is β, and the yarn channel passes through the body from top to bottom and from left to right and gradually decreases, presenting a shrinking inverted trumpet shape. By arranging this buncher in the front drafting zone of the drafting, the yarn path of the roving conveying can be changed, so that the roving bundling effect is better, the weak twist zone at the outlet of the front roller is reduced, the roving strength is improved, the roving hairiness is reduced, and the yarn quality is improved.
Description
Technical Field
The invention relates to a front buncher device of a roving frame drafting mechanism used in the front spinning process flow of textile machinery, in particular to a front buncher of a cotton spinning roving frame four-roller drafting mechanism.
Background
The four-roller drafting form is the most common drafting form of the current cotton spinning roving frame, a front bundling device is added between the first row roller and the second row roller in the drafting form, and the drafted roving is carded and bundled, so that hairiness on the surface of the roving is reduced, and the roving yarn forming quality is improved. Generally, the roving passage of the buncher is arranged perpendicular to the axial direction of the roller, so that the spinning requirement can be basically met, the section of the roving passage is gradually reduced from the roving inlet to the outlet, and the upper part of the passage is slotted to facilitate the introduction of the roving when the end of a driver is blocked. As to how to improve the spinning index by improving the structural form of the yarn path channel of the existing bundling device, the technical field is always faced with the problem.
Disclosure of Invention
Aiming at the prior art, the invention provides the roving compact spinning buncher, which further improves the roving strength and reduces the roving hairiness by changing the structural form of the roving yarn path.
In order to solve the technical problems, the invention provides a roving compact spinning buncher which comprises a buncher rod, wherein two bunching blocks are arranged on the buncher rod, sliding fit is achieved between the two bunching blocks and the buncher rod, supporting frames are respectively arranged at two ends of the buncher rod, inserting grooves are arranged on the supporting frames, a stop block is inserted into each inserting groove, each bunching block comprises a body, the body is a wedge-shaped block, the body comprises an A face positioned at one side of a yarn inlet and a D face positioned at one side of a yarn outlet, a horizontal plane on the body is a B face and a bilateral symmetry face is a C face, a yarn path channel penetrating from the A face to the D face is arranged on the body, the yarn path channel is a channel formed by an inner face surface and a closed space curved surface, an included angle between an axis of the yarn path channel and the C face is theta, an included angle between the axis of the yarn path channel and the C face is beta, the cross section of the yarn path gradually decreases from the oval of the A face of the yarn inlet to the D face of the yarn outlet along the axis of the body, and the yarn path channel is a horn-shaped yarn from the A face of the yarn inlet to the yarn outlet of the yarn inlet.
The roving compact spinning buncher is characterized in that an opening is formed in the top of the yarn channel.
The lower part of the body is provided with a through hole which is penetrated left and right, the cross section of the buncher rod is rectangular H, and the cross section of the through hole is similar to the rectangular H.
The axis of the yarn path channel passes through the body from top to bottom and from left to right, beta=2-14 degrees and theta=35+/-5 degrees.
It is preferable that θ=35, beta=3° or beta=12°.
Compared with the prior art, the invention has the beneficial effects that:
The trend axis of the yarn path channel in the traditional bundling device is coincident with the C surface (vertical surface) and the B surface (horizontal surface), no included angle in the vertical or horizontal direction is formed, namely the yarn path of the roving drafting zone is a straight line path from four rollers to the front roller and then to the false twister, wherein the included angle is mutually perpendicular to the roller axis. The support frame of the buncher is arranged in the middle of a two-row roller, and the roving after being drafted by a draft zone is fed from the yarn inlet end of the surface A of a yarn channel, and because the yarn channel and the roller form a certain angle in the axial direction, the roving guided by the yarn channel of the buncher is obliquely sent to a front roller holding point and then enters the flyer false twister. According to the buncher, a linear route from four rollers to a front roller to a false twister of a roving drafting zone of a traditional buncher with a yarn path channel arranged perpendicular to the axial direction of the rollers is changed into a straight route, an inflection point 1 is added between the first roller and the second roller, and the inflection point 2 passes through an inflection point 2 of a D surface outlet of the buncher, as shown in fig. 6, so that sheet-shaped rovings (shown as W2 in fig. 6) between the output ends of the two rollers and a holding point of the front roller are narrower than sheet-shaped rovings (shown as W1 in fig. 6) of the traditional buncher, the bunching effect of the rovings is better through the furling effect of the inflection point, the weak twisting zone of the outlet of the front roller is reduced, the strength of the rovings is improved, and the hairiness of the rovings is reduced, thereby improving the yarn quality.
Drawings
Fig. 1-1 is a front view of a cluster block in embodiment 1 of the present invention;
FIGS. 1-2 are top views of a cluster block in embodiment 1 of the present invention;
FIGS. 1-3 are side views of a cluster block of embodiment 1 of the present invention;
FIGS. 1 to 4 are schematic perspective views of a cluster block according to embodiment 1 of the present invention;
fig. 2-1 is a front view of a cluster block in embodiment 2 of the present invention;
fig. 2-2 is a top view of a cluster block in embodiment 2 of the present invention;
FIGS. 2-3 are side views of a cluster block in embodiment 2 of the invention;
FIGS. 2 to 4 are schematic perspective views of a cluster block according to embodiment 2 of the present invention
FIG. 3 is a cross-sectional view of a cluster block in accordance with the invention;
FIG. 4 is a schematic view of a cluster tool according to embodiment 1 of the present invention;
FIG. 5 is a schematic view showing a structure of a cluster tool according to embodiment 2 of the present invention;
Fig. 6 is a schematic view of yarn paths of a conventional yarn combiner and a yarn combiner of the present invention.
In the figure, 10-bundling blocks, 20-check blocks, 30-supporting frames, 40-bundling device rods, 1-bodies, 3-yarn channels, 4-through holes and 5-openings are formed.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and specific examples, which are in no way limiting.
As shown in fig. 4 and fig. 5, the present invention provides a roving compact spinning beam binder, which comprises a beam binder rod 40, wherein two beam binding blocks 10 are arranged on the beam binder rod 40, the two beam binding blocks 10 are in sliding fit with the beam binder rod 40, two ends of the beam binder rod 40 are respectively provided with a support frame 30, the support frames 30 are provided with slots, and a stop block 20 is inserted into each slot.
Example 1:
As shown in fig. 1-1, 1-2, 1-3 and 1-4, the cluster block 10 in this embodiment includes a body 1, the body 1 is a wedge block, and the body 1 includes an a-plane located at a yarn inlet side and a D-plane located at a yarn outlet side. The body 1 is provided with a yarn path channel 3 penetrating from the surface A to the back surface 2, the yarn path channel 3 is a channel formed by a closed space curved surface on the inner surface, the included angle between the axis of the yarn path channel 3 and the surface C is theta, and the included angle between the axis of the yarn path channel 3 and the surface B is beta, and the axis of the yarn path channel 3 passes through the body from top to bottom and from left to right, so that an inflection point 1 can be formed between one roller and the other roller, an inflection point 2 is formed at the outlet of the surface D of the cluster tool, beta=12 degrees, theta=35 degrees, as shown in fig. 1-2 and 1-3, a through hole 4 penetrating left and right is formed below the body 1 of the cluster block 10, the cross section of the cluster tool rod 40 is a rectangle H, and the cross section of the through hole 4 is a similar shape larger than the rectangle H, and the two cluster blocks 10 can move left and right along the cluster tool rod 40, as shown in fig. 1-3 and fig. 4 and 2-3 and 5. The cross section of the yarn channel 3 gradually decreases from the ellipse of the A surface of the roving inlet to the circle of the D surface of the yarn outlet along the axis of the yarn channel 3, and the yarn channel 3 forms a reverse horn shape with a reduced mouth from the A surface of the yarn inlet to the D surface of the yarn outlet. In this embodiment 1, the upper portion of the yarn path 3 is closed, and the roving is required to pass through the yarn path 3 of the cluster block 10 when the end of the roving is stopped.
Example 2:
As shown in fig. 2-1, 2-2, 2-3 and 2-4, embodiment 2 is different from embodiment 1 in that an opening 5 is provided at the top of the yarn path 3 for convenience in operation of a driver, so as to form an open type bundling device, so as to facilitate introduction of roving when the driver starts the yarn, and in embodiment 2, β=3°, θ=35°.
The invention uses the support 30 in the invention to put in the middle of the two rows of rollers, according to the big mouth (namely A face of the yarn inlet side) of the yarn channel 3 towards two rollers, the rough yarn after drafting in the drafting zone is fed from the yarn inlet end of the yarn channel 3, because the yarn channel forms a certain angle with the roller axial direction in the invention, the rough yarn guided by the yarn channel 3 of the buncher is sent to the front roller holding point obliquely, then enters the flyer false twister, the linear route of the rough yarn drafting zone of the buncher which adopts the traditional yarn channel arranged perpendicular to the roller axial direction is changed into the straight route from four rollers to the front roller to the false twister, the inflection point 1 is added between the first roller and the second roller, the inflection point 2 passing through the exit of the buncher is narrower than the sheet rough yarn of the traditional buncher, the effect of the sheet rough yarn is better, the weak twisting zone of the front exit is reduced, the strength is improved, and the quality of the rough yarn is improved.
Although the invention has been described above with reference to the accompanying drawings, the invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by those of ordinary skill in the art without departing from the spirit of the invention, which fall within the protection of the invention.
Claims (3)
1. The roving compact spinning buncher comprises a buncher rod (40), wherein two buncher blocks (10) are arranged on the buncher rod (40), the two buncher blocks (10) are in sliding fit with the buncher rod (40), two ends of the buncher rod (40) are respectively provided with a supporting frame (30), the supporting frames (30) are provided with slots, a stop block (20) is inserted into each slot, the buncher blocks (10) comprise a body (1), the body (1) is a wedge-shaped block, the body (1) comprises an A surface positioned at one side of a yarn inlet and a D surface positioned at one side of a yarn outlet,
The yarn path channel (3) penetrates through the body from the surface A to the surface D, the inner surface of the yarn path channel (3) is a channel formed by a closed space curved surface, the included angle between the axis of the yarn path channel (3) and the surface C is theta, the included angle between the axis of the yarn path channel and the surface B is beta, the cross section of the yarn path channel (3) gradually decreases from the ellipse of the surface A of the roving inlet to the circle of the surface D of the yarn outlet along the axis of the yarn path channel (3), the surface D of the yarn path channel (3) from the surface A of the yarn inlet to the surface D of the yarn outlet forms a reverse horn shape with a shrinkage opening, the axis of the yarn path channel (3) penetrates through the body from top to bottom and from left to right, and beta=2-14 DEG, theta=35+/-5 DEG;
The lower part of the body (1) is provided with a through hole (4) which is penetrated left and right, the cross section of the buncher rod (40) is rectangular H, and the cross section of the through hole (4) is similar and is larger than the rectangular H.
2. The roving compact spinning buncher of claim 1, wherein the top of the yarn channel (3) is provided with an opening (5).
3. The roving compact spinning binder of claim 1 wherein β = 3 ° or 12 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110749308.6A CN113308770B (en) | 2021-07-01 | 2021-07-01 | A roving compact spinning buncher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110749308.6A CN113308770B (en) | 2021-07-01 | 2021-07-01 | A roving compact spinning buncher |
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| Publication Number | Publication Date |
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| CN113308770A CN113308770A (en) | 2021-08-27 |
| CN113308770B true CN113308770B (en) | 2025-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110749308.6A Active CN113308770B (en) | 2021-07-01 | 2021-07-01 | A roving compact spinning buncher |
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| Country | Link |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101372779A (en) * | 2008-09-12 | 2009-02-25 | 刘志祥 | Traversing type tightening device |
| CN202323184U (en) * | 2011-11-08 | 2012-07-11 | 江苏泰达纺织有限公司 | Cotton comber web condenser |
| CN215925176U (en) * | 2021-07-01 | 2022-03-01 | 天津宏大纺织科技有限公司 | Roving compact spinning buncher |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ298791B6 (en) * | 2000-03-29 | 2008-01-30 | Rieter Cz A. S. | Table for feeding fiber strand of fiber feeding device of a spinning machine spinning unit |
| DE102006053529A1 (en) * | 2006-11-08 | 2008-05-15 | Spindelfabrik Suessen Gmbh | Luntenführer for a drafting system |
| JP5162975B2 (en) * | 2007-06-21 | 2013-03-13 | 村田機械株式会社 | Spinning equipment |
| DE102016116693A1 (en) * | 2016-09-07 | 2018-03-08 | Maschinenfabrik Rieter Ag | Garnbildungselement and spinneret for an air-spinning machine |
| CN213113666U (en) * | 2020-05-25 | 2021-05-04 | 深圳市嘉友智控科技有限公司 | Ring spinning frame sirospun roving defect detection device |
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2021
- 2021-07-01 CN CN202110749308.6A patent/CN113308770B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101372779A (en) * | 2008-09-12 | 2009-02-25 | 刘志祥 | Traversing type tightening device |
| CN202323184U (en) * | 2011-11-08 | 2012-07-11 | 江苏泰达纺织有限公司 | Cotton comber web condenser |
| CN215925176U (en) * | 2021-07-01 | 2022-03-01 | 天津宏大纺织科技有限公司 | Roving compact spinning buncher |
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| Publication number | Publication date |
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| CN113308770A (en) | 2021-08-27 |
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Effective date of registration: 20240513 Address after: 300384 Huayuan Industrial Park (Outer Ring), Binhai New Area, Tianjin City, No. 5-1, Haitai Huake Fourth Road Applicant after: TIANJIN HONGDA TEXTILE MACHINERY Co.,Ltd. Country or region after: China Address before: 300384 1-2, No. 5, Haitai Huake 4th Road, Huayuan Industrial Zone (outside the ring), Binhai New Area, Tianjin Applicant before: Tianjin Hongda Textile Technology Co.,Ltd. Country or region before: China |
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