CN215925176U - Roving compact spinning buncher - Google Patents
Roving compact spinning buncher Download PDFInfo
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- CN215925176U CN215925176U CN202121497876.3U CN202121497876U CN215925176U CN 215925176 U CN215925176 U CN 215925176U CN 202121497876 U CN202121497876 U CN 202121497876U CN 215925176 U CN215925176 U CN 215925176U
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- rod
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- 238000009987 spinning Methods 0.000 title claims abstract description 18
- 230000008676 import Effects 0.000 claims description 2
- 206010020112 Hirsutism Diseases 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 241001589086 Bellapiscis medius Species 0.000 description 6
- 229920000742 Cotton Polymers 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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Abstract
The utility model discloses a roving compact spinning buncher, which comprises a buncher rod and two bunched blocks; the bundling block comprises a body, the body is a wedge-shaped block, the body comprises a surface A positioned on one side of a yarn inlet and a surface D positioned on one side of a yarn outlet, a horizontal plane on the body is a surface B, and a left-right symmetrical plane on the body is a surface C; the yarn channel is formed by a closed space curved surface on the inner surface, the included angle between the axis of the yarn channel and the surface C is theta, the included angle between the axis of the yarn channel and the surface B is beta, and the yarn channel penetrates through the body from top to bottom and from left to right and is gradually reduced to form a necking inverted horn shape. The buncher is arranged in the front drafting area of the drafting, so that the yarn path for conveying the roving can be changed, the roving bunching effect is better, the weak twisting area of the front roller outlet is reduced, the strength of the roving is improved, the hairiness of the roving is reduced, and the yarn quality is improved.
Description
Technical Field
The utility model relates to a front buncher device of a roving frame drafting mechanism used in a front spinning process flow of textile machinery, in particular to a front buncher of a four-roller drafting mechanism of a cotton spinning roving frame.
Background
The four-roller drafting mode is the most common drafting mode of the prior cotton spinning roving frame, and a front buncher is added between the first row of rollers and the second row of rollers in the drafting mode to comb and bunch the drafted roving so as to reduce the surface hairiness of the roving and improve the quality of the roving finished yarn. The roving channel of the buncher is generally arranged perpendicular to the axial direction of the roller, the spinning requirement can be basically met, the cross section of the roving channel is in an inverted horn shape, the size of the cross section of the roving channel is gradually reduced from a roving inlet to an outlet, and the channel is provided with a groove at the upper part so as to facilitate the introduction of the roving during the spinning of a stop buffer worker. The technical problem of how to improve the spinning index by improving the structural form of the yarn channel of the existing buncher is always the problem faced in the technical field.
SUMMERY OF THE UTILITY MODEL
Aiming at the prior art, the roving compact spinning buncher provided by the utility model further improves the roving strength and reduces the roving hairiness by changing the structural form of a roving yarn path.
In order to solve the technical problem, the roving compact spinning buncher provided by the utility model comprises a buncher rod, wherein two buncher blocks are arranged on the buncher rod, the two buncher blocks are in sliding fit with the buncher rod, two ends of the buncher rod are respectively provided with a support frame, the support frame is provided with a slot, and a stop block is inserted into the slot; the bunching block comprises a body, the body is a wedge-shaped block, the body comprises a surface A located on one side of a yarn inlet and a surface D located on one side of a yarn outlet, a horizontal plane on the body is a surface B, and a left-right symmetrical plane on the body is a surface C; be equipped with the yarn passageway that runs through to the D face from the A face on the body, the yarn passageway is the passageway that a closed space curved surface formed by the inner surface table, the axis of yarn passageway is theta with the contained angle of C face, is beta with the contained angle of B face simultaneously, the cross section of yarn passageway reduces to the circular of the D face of yarn export by the ellipse of the A face of roving entry along the axis of self gradually, the yarn passageway is personally submitted the type of falling loudspeaker of throat from the A face of yarn import to the D of yarn export.
According to the roving compact spinning buncher, the top of the yarn channel is provided with an opening.
The bundling device is characterized in that a through hole which is through from left to right is arranged below the body, the cross section of the bundling device rod is rectangular H, and the cross section of the through hole is similar to the rectangular H.
The axis of the yarn channel passes through the body from top to bottom and from left to right; beta is 2-14 degrees, and theta is 35 +/-5 degrees.
Preferably, θ is 35 °, β is 3 ° or β is 12 °.
Compared with the prior art, the utility model has the beneficial effects that:
the running axis of a yarn channel in the traditional buncher is superposed with a surface C (vertical surface) and a surface B (horizontal surface), an included angle in the vertical or horizontal direction is not formed, namely the included angle is mutually vertical to the axial direction of a roller, and the yarn path of a roving drafting zone is a straight line path from four rollers to a front roller and then to a false twister. The support frame of the buncher is arranged between a first row of rollers and a second row of rollers, the roving drafted by the drafting zone is fed from the yarn inlet end of the surface A of the yarn channel, and the yarn channel and the rollers axially form a certain angle, so the roving guided by the yarn channel of the buncher is obliquely sent to the holding point of the front roller and then enters the flyer false twister. According to the buncher, a linear path from four rollers to a front roller and then to a false twister is changed into a linear path from a roving drafting area of the traditional buncher with a yarn channel arranged vertically to the axial direction of the rollers to a linear path from the four rollers to the front roller and then to the false twister by adding an inflection point 1 between the first roller and the second roller and passing through an inflection point 2 at the D-surface outlet of the buncher as shown in fig. 6, so that a sheet-shaped roving (shown as W2 in fig. 6) from the output end of the second roller to a holding point of the front roller is narrower than the sheet-shaped roving (shown as W1 in fig. 6) of the traditional buncher, the bunching effect of the roving is better through the furling action of the inflection point, a weak twist area at the outlet of the front roller is reduced, the strength of the roving is improved, and the hairiness of the roving is reduced, so that the yarn quality is improved.
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 to 3 are side views of a cluster block in embodiment 1 of the present invention;
fig. 1 to 4 are schematic perspective views of a cluster block in 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 plan view of a cluster block in embodiment 2 of the present invention;
FIGS. 2 to 3 are side views of a cluster block in embodiment 2 of the present invention;
FIGS. 2-4 are schematic perspective views of a cluster block in embodiment 2 of the present invention
FIG. 3 is a sectional view taken along line F-F of the cluster block of the present invention;
fig. 4 is a schematic structural view of a buncher according to embodiment 1 of the present invention;
fig. 5 is a schematic structural view of a buncher according to embodiment 2 of the present invention;
fig. 6 is a schematic view of the yarn passage of a conventional buncher and the buncher of the present invention.
In the figure: 10-bundling block, 20-stop block, 30-support frame, 40-buncher rod, 1-body, 3-yarn channel, 4-through hole and 5-opening.
Detailed Description
The utility model will be further described with reference to the following figures and specific examples, which are not intended to limit the utility model in any way.
As shown in fig. 4 and 5, the roving compact spinning buncher provided by the present invention 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 support frame 30, the support frame 30 is provided with a slot, and a stop block 20 is inserted into the slot.
Example 1:
as shown in fig. 1-1, fig. 1-2, fig. 1-3 and fig. 1-4, the tuft block 10 in this embodiment comprises a body 1, the body 1 is a wedge-shaped block, and the body 1 comprises an a-face on the yarn inlet side and a D-face on the yarn outlet side. A horizontal plane on the body 1 is a B plane, and a left-right symmetrical plane is a C plane; the yarn channel 3 penetrating from the surface A to the back surface 2 is arranged on the body 1, the yarn 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 channel 3 and the surface C is theta, meanwhile, the included angle between the yarn channel 3 and the surface B is beta, the axis of the yarn 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 the first roller and the second roller, an inflection point 2 is formed at the outlet of the surface D of the buncher, beta is 12 degrees, theta is 35 degrees, as shown in figures 1-2 and 1-3, a through hole 4 which penetrates through the buncher 10 from left to right is arranged below the body 1 of the buncher, the cross section of the buncher rod 40 is a rectangle H, the cross section of the through hole 4 is a similar shape larger than the rectangle H, so that two cluster blocks 10 can be shifted left and right along the cluster bar 40 as shown in fig. 1-3 and 4 and fig. 2-3 and 5. The cross section of the yarn channel 3 is gradually reduced from the oval shape of the A surface of the roving inlet to the circular shape of the D surface of the yarn outlet along the axis of the cross section, and the yarn channel 3 is in the inverted horn shape with a necking from the A surface of the yarn inlet to the D surface of the yarn outlet. In this embodiment 1, the upper part of the yarn passage 3 is closed, and when the stop worker starts the yarn, the roving needs to pass through the yarn passage 3 of the cluster block 10.
Example 2:
as shown in fig. 2-1, 2-2, 2-3, and 2-4, example 2 differs from example 1 in that: for convenience of the scooters in operation, an opening 5 is provided at the top of the yarn channel 3, so as to form an open buncher for facilitating the introduction of the roving when the scooters are in process, in this embodiment 2, β is 3 ° and θ is 35 °.
The application of the buncher in the drafting zone of the roving frame is as follows: the support frame 30 of the utility model is arranged between the two rows of rollers, the roving drafted by the draft zone is fed from the yarn inlet end of the yarn channel 3 towards the two rollers according to the large opening of the yarn channel 3 (namely the A surface at the yarn inlet side), because the yarn channel of the utility model forms a certain angle with the axial direction of the rollers, the roving guided by the yarn channel 3 of the buncher is obliquely sent to the holding point of the front roller and then enters the flyer false twister, the buncher of the utility model changes the linear path from the four rollers to the front roller to the false twister of the roving draft zone of the traditional buncher with the yarn channel arranged vertically to the axial direction of the rollers into the inflection point 1 added between the first roller and the second roller, and the inflection point 2 of the outlet of the buncher makes the flaky roving between the output end of the second roller and the holding point of the front roller narrower than the flaky roving of the traditional buncher, through the furling effect of the inflection point, the roving bundling effect is better, the weak twist area of the outlet of the front roller is reduced, the roving strength is improved, and the roving hairiness is reduced, so that the resultant yarn quality is improved.
While the present invention has been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are illustrative only and not restrictive, and various modifications which do not depart from the spirit of the present invention and which are intended to be covered by the claims of the present invention may be made by those skilled in the art.
Claims (5)
1. A roving compact spinning buncher comprises a buncher rod (40), wherein two bunched blocks (10) are arranged on the buncher rod (40), the two bunched blocks (10) are in sliding fit with the buncher rod (40), two ends of the buncher rod (40) are respectively provided with a support frame (30), a slot is formed in each support frame (30), and a stop block (20) is inserted into each slot; the bunching block (10) comprises a body (1), the body (1) is a wedge-shaped block, the body (1) comprises an A surface positioned on one side of a yarn inlet and a D surface positioned on one side of a yarn outlet, and the bunching block is characterized in that,
a horizontal plane on the body (1) is a B plane, and a left-right symmetrical plane is a C plane; be equipped with on body (1) and run through yarn passageway (3) to the D face from the A face, yarn passageway (3) are the passageway that a closed space curved surface formed by the inner surface table, the axis of yarn passageway (3) is theta with the contained angle of C face, is beta with the contained angle of B face simultaneously, the cross section of yarn passageway (3) is reduced to the circular of the D face of yarn export by the ellipse of the A face of roving entry along the axis of self gradually, yarn passageway (3) personally submits the type of falling loudspeaker of throat from the A face of yarn import to the D face of yarn export.
2. Roving compact spinning buncher according to claim 1, characterized in that the top of the yarn channel (3) is provided with an opening (5).
3. The roving compact spinning buncher of claim 1 or 2, wherein a through hole (4) is formed in the lower portion of the body (1) and penetrates from left to right, the cross section of the buncher rod (40) is rectangular H, and the cross section of the through hole (4) is similar to the rectangular H.
4. Roving compact spinning buncher according to claim 1 or 2, characterized in that the axis of the yarn channel (3) passes through the body from top to bottom and from left to right; beta is 2-14 degrees, and theta is 35 +/-5 degrees.
5. The roving compact spinning buncher of claim 4, wherein β is 3 ° or 12 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121497876.3U CN215925176U (en) | 2021-07-01 | 2021-07-01 | Roving compact spinning buncher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121497876.3U CN215925176U (en) | 2021-07-01 | 2021-07-01 | Roving compact spinning buncher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215925176U true CN215925176U (en) | 2022-03-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121497876.3U Active CN215925176U (en) | 2021-07-01 | 2021-07-01 | Roving compact spinning buncher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215925176U (en) |
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2021
- 2021-07-01 CN CN202121497876.3U patent/CN215925176U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240207 Address after: 300384 Huayuan Industrial Park (Outer Ring), Binhai New Area, Tianjin City, No. 5-1, Haitai Huake Fourth Road Patentee 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 Patentee before: Tianjin Hongda Textile Technology Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |