CN218989528U - Spinning frame upper pin for cotton spinning - Google Patents
Spinning frame upper pin for cotton spinning Download PDFInfo
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- CN218989528U CN218989528U CN202223290782.6U CN202223290782U CN218989528U CN 218989528 U CN218989528 U CN 218989528U CN 202223290782 U CN202223290782 U CN 202223290782U CN 218989528 U CN218989528 U CN 218989528U
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Abstract
The utility model provides an upper pin of a spinning frame for cotton spinning, which consists of an upper pin frame, a clamp and a shrinking block, wherein the shrinking block consists of a left shrinking block and a right shrinking block which are distributed left and right symmetrically; the left elastic shrinkage block and the right elastic shrinkage block have the same structure and are composed of a spiral compression spring, a sliding block and a spring piece, wherein the spiral compression spring and the sliding block are arranged on a connecting rod of the upper pin frame; the spring piece main part comprises lamellar body A and lamellar body B, and lamellar body A is parallel to and lies in its below on the lower bottom surface of the connecting rod of round pin frame, and lamellar body B slope is placed between the lower bottom surface of the connecting rod of lamellar body A and round pin frame, and lamellar body B's front end lies in the below of lamellar body B's rear end, and lamellar body B's front end and lamellar body A fixed connection, lamellar body B's rear end and the lower bottom surface fixed connection of the connecting rod of round pin frame. The upper pin of the spinning frame for cotton spinning has a simple structure, and can solve the problem of poor yarn quality caused by unstable friction force boundary distribution in the prior art.
Description
Technical Field
The utility model belongs to the technical field of spinning equipment, relates to an upper pin, and particularly relates to an upper pin of a spinning frame for cotton spinning.
Background
The front drafting zone of the spinning frame is a main drafting zone, and the front drafting zone of the spinning frame is provided with an upper pin and a lower pin except for a roller, a leather roller and a leather ring, wherein the upper pin, the upper middle roller, a gauge block and an upper short leather ring form an upper pin assembly which is arranged on a cradle, and a friction force boundary formed by the pressure of the cradle, the lower pin and the lower long leather ring is used for controlling fibers, so that the friction force boundary plays a key role in the whole drafting system. However, the friction force boundary strength of the fiber control area between the upper pin jaw and the lower pin jaw and the middle roller is unbalanced, the friction force boundary of the middle area is smaller, and the control on floating fibers is poorer, so that the distribution range of the speed change points of the floating fibers is unstable.
Therefore, the upper pin of the spinning frame for cotton spinning is researched to solve the problem of poor yarn quality caused by unstable friction force boundary distribution in the prior art, and has very important significance.
Disclosure of Invention
The utility model solves the problems existing in the prior art and provides a spinning frame upper pin for cotton spinning.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the upper pin of the spinning frame for cotton spinning consists of an upper pin frame, a clamp and a spring shrinkage block, wherein the spring shrinkage block consists of a left spring shrinkage block and a right spring shrinkage block which are distributed symmetrically left and right; the left elastic shrinkage block and the right elastic shrinkage block have the same structure and are composed of a spiral compression spring, a sliding block and a spring piece, wherein the spiral compression spring and the sliding block are arranged on a connecting rod of the upper pin frame;
the spring piece main body consists of a sheet body A and a sheet body B, wherein the sheet body A is parallel to and below the lower bottom surface of the connecting rod of the upper pin frame, the sheet body B is obliquely arranged between the sheet body A and the lower bottom surface of the connecting rod of the upper pin frame, the front end of the sheet body B is positioned below the rear end of the sheet body B, the front end of the sheet body B is fixedly connected with the sheet body A, and the rear end of the sheet body B is fixedly connected with the lower bottom surface of the connecting rod of the upper pin frame;
in order to solve the problems in the prior art, the upper pin of the spinning frame for cotton spinning increases the control stability of the fibers in the floating zone of the drafting zone through the action of the spring piece, so that the distribution of friction force is more even and stable, a favorable condition is provided for centralized speed change of the fibers, yarn unevenness caused by accidental drafting can be effectively reduced, yarn evenness of the yarns is improved, and the quality of the spun yarns is improved.
As a preferable technical scheme:
the included angle between the sheet body B and the sheet body A is 30-45 degrees.
The upper pin of the spinning frame for cotton spinning is characterized in that the spring piece further comprises a sheet body C, a groove for inserting the sheet body C is formed in the lower bottom surface of the connecting rod of the upper pin frame, and the rear end of the sheet body B is fixedly connected with the lower bottom surface of the connecting rod of the upper pin frame through the sheet body C and the groove.
As described above, the spinning frame upper pin for cotton spinning is provided with the sheet body A and the sheet body B which are rectangular, wherein the sheet body A comprises the adjacent first edge of the sheet body A and the adjacent second edge of the sheet body A, the sheet body B comprises the adjacent first edge of the sheet body B and the adjacent second edge of the sheet body B, the second edge of the sheet body A and the second edge of the sheet body B are completely overlapped, the length of the first edge of the sheet body A is 10-15 mm, and the length of the second edge of the sheet body A is 28-30 mm.
The sheet body C is perpendicular to the sheet body A by the upper pin of the spinning frame for cotton spinning.
The upper pin of the spinning frame for cotton spinning comprises the adjacent first edge of the sheet body C and the second edge of the sheet body C, wherein the second edge of the sheet body C is parallel to and equal to the second edge of the sheet body B, the length of the first edge of the sheet body C is 1-2 mm, and the distance between the sheet body C and the sheet body A is 3-5 mm.
The upper pin of the spinning frame for cotton spinning is characterized in that the spring piece is an integrally formed metal piece.
The thickness of the spring piece of the upper pin of the spinning frame for cotton spinning is 1-2 mm.
The principle of the utility model is as follows:
the elastic shrinkage block of the upper pin of the spinning frame for cotton spinning is compressed under the pressure action of the cradle, forms an elastic jaw with the lower pin, forms a friction force boundary, the friction force boundary is in a range between the middle roller and the upper pin jaw and the lower pin jaw, and the size change of the friction force boundary is reduced and increased towards the middle roller between the upper pin jaw and the lower pin jaw, so that the pressure between the upper leather collar and the lower leather collar at the middle position of the middle roller and the upper jaw and the lower jaw is the lowest, the control force on fibers is the smallest, the stabilization of fiber speed change points is not facilitated, the position of a spring piece is in a range between the upper jaw and the lower jaw and the middle roller, and the additional elastic action is applied to the upper leather collar and the lower leather collar at the acting position under the pressure action during operation, so that the friction force boundary distribution range between the middle roller and the upper jaw and the lower jaw is more stable, the control on fibers in a drafting zone is also more stable, and the straightening of fibers is also more facilitated, and the yarn forming quality is effectively improved.
Advantageous effects
(1) The upper pin of the spinning frame for cotton spinning can improve the stability of the friction force boundary of a front drafting zone, improve the control capability of fibers, effectively improve the evenness of the spun yarn and reduce accidental drafting;
(2) The upper pin of the spinning frame for cotton spinning has the advantages of simple structure, low cost and wide application range.
Drawings
FIG. 1 is a schematic diagram of the upper pin structure of a spinning frame for cotton spinning of the present utility model;
FIG. 2 is a schematic cross-sectional view of the upper pin structure of the spinning frame for cotton spinning of the present utility model;
FIG. 3 is a schematic view of the bottom of the upper pin structure of the spinning frame for cotton spinning of the present utility model;
FIG. 4 is an enlarged schematic view of the structure A in FIG. 3 according to the present utility model;
FIG. 5 is a schematic view of a spring plate of an upper pin structure of a spinning frame for cotton spinning according to the present utility model;
FIG. 6 is a schematic view showing the installation of a spring plate with a pin structure on a spinning frame for cotton spinning;
wherein: the device comprises a 1-upper pin frame, a 2-clamp, a 3-left spring shrinkage block, a 4-right spring shrinkage block, a 5-spiral compression spring, a 6-sliding block, a 7-spring piece and an 8-groove.
Detailed Description
The utility model is further described below in conjunction with the detailed description. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the claims appended hereto.
The upper pin of the spinning frame for cotton spinning, as shown in figure 1, consists of an upper pin frame 1, a clip 2, a spring shrinkage block and a spring piece 7;
as shown in fig. 3 to 5, the spring piece 7 is an integrally formed metal piece with the thickness of 1 to 2mm and consists of a sheet body A, a sheet body B and a sheet body C;
the sheet body A is a rectangular sheet and comprises a first edge and a second edge which are adjacent to each other, wherein the length of the first edge of the sheet body A is 10-15 mm, and the length of the second edge of the sheet body A is 28-30 mm; the sheet body A is parallel to and positioned below the lower bottom surface of the connecting rod of the upper pin frame 1;
the sheet body B is a rectangular sheet and comprises a first edge of the sheet body B and a second edge of the sheet body B which are adjacent to each other, and the second edge of the sheet body A and the second edge of the sheet body B are completely overlapped; the sheet body B is obliquely arranged between the sheet body A and the lower bottom surface of the connecting rod of the upper pin frame 1, the front end of the sheet body B (namely the second edge of the sheet body B) is positioned below the rear end of the sheet body B, and an included angle formed by the sheet body B and the sheet body A is 30-45 degrees;
the sheet body C comprises a first edge and a second edge which are adjacent to each other, the second edge of the sheet body C is parallel to and equal to the second edge of the sheet body B, and the length of the first edge of the sheet body C is 1-2 mm; the sheet body C is perpendicular to the sheet body A, and the distance between the sheet body C and the sheet body A is 3-5 mm;
as shown in fig. 2 and 6, the compression block consists of a left compression block 3 and a right compression block 4 which are symmetrically distributed left and right; the left flick block 3 and the right flick block 4 have the same structure and are composed of a spiral compression spring 5, a sliding block 6 and a spring piece 7, wherein the spiral compression spring 5 and the sliding block 6 are arranged on a connecting rod of the upper pin frame 1, a groove 8 for inserting a sheet body C is formed in the lower bottom surface of the connecting rod, and the rear end of the sheet body B is fixedly connected with the lower bottom surface of the connecting rod through the sheet body C and the groove 8.
Claims (8)
1. The upper pin of the spinning frame for cotton spinning consists of an upper pin frame (1), a clamp (2) and a shrinking block, and is characterized in that the shrinking block consists of a left shrinking block (3) and a right shrinking block (4) which are distributed in a bilateral symmetry manner; the left elastic shrinkage block (3) and the right elastic shrinkage block (4) have the same structure and are composed of a spiral compression spring (5), a sliding block (6) and a spring piece (7), wherein the spiral compression spring (5) and the sliding block (6) are arranged on a connecting rod of the upper pin frame (1);
the spring piece (7) main part comprises lamellar body A and lamellar body B, and lamellar body A is parallel to the lower bottom surface of the connecting rod of last round pin frame (1) and is located its below, and lamellar body B slope is placed between the lower bottom surface of the connecting rod of lamellar body A and last round pin frame (1), and the front end of lamellar body B is located the below of lamellar body B's rear end, and lamellar body B's front end and lamellar body A fixed connection, lamellar body B's rear end and the lower bottom surface fixed connection of the connecting rod of last round pin frame (1).
2. The upper pin of a spinning frame for cotton spinning according to claim 1, wherein the included angle between the sheet body B and the sheet body a is 30 ° to 45 °.
3. The upper pin of the spinning frame for cotton spinning according to claim 1, wherein the spring piece (7) further comprises a sheet body C, a groove for inserting the sheet body C is formed in the lower bottom surface of the connecting rod of the upper pin frame (1), and the rear end of the sheet body B is fixedly connected with the lower bottom surface of the connecting rod of the upper pin frame (1) through the sheet body C and the groove.
4. A pin on a spinning frame for cotton spinning according to claim 3, wherein the sheet body a and the sheet body B are rectangular sheets, the sheet body a comprises a first edge and a second edge of the adjacent sheet body a, the sheet body B comprises a first edge and a second edge of the adjacent sheet body B, the second edge and the second edge of the sheet body B are completely overlapped, the length of the first edge of the sheet body a is 10-15 mm, and the length of the second edge of the sheet body a is 28-30 mm.
5. The spinning frame upper pin according to claim 4, wherein the sheet C is perpendicular to the sheet a.
6. The upper pin of a spinning frame for cotton spinning according to claim 5, wherein the sheet body C comprises a first edge and a second edge of the adjacent sheet body C, the second edge of the sheet body C is parallel to and equal to the second edge of the sheet body B, the length of the first edge of the sheet body C is 1-2 mm, and the distance between the sheet body C and the sheet body a is 3-5 mm.
7. A spinning frame upper pin according to claim 3, characterized in that the spring plate (7) is an integrally formed metal piece.
8. The upper pin of a spinning frame for cotton spinning according to claim 7, wherein the thickness of the spring plate (7) is 1-2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223290782.6U CN218989528U (en) | 2022-12-08 | 2022-12-08 | Spinning frame upper pin for cotton spinning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223290782.6U CN218989528U (en) | 2022-12-08 | 2022-12-08 | Spinning frame upper pin for cotton spinning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218989528U true CN218989528U (en) | 2023-05-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223290782.6U Active CN218989528U (en) | 2022-12-08 | 2022-12-08 | Spinning frame upper pin for cotton spinning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218989528U (en) |
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2022
- 2022-12-08 CN CN202223290782.6U patent/CN218989528U/en active Active
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