CN112760766A - Fiber strand conveying mechanism of ring spinning frame - Google Patents
Fiber strand conveying mechanism of ring spinning frame Download PDFInfo
- Publication number
- CN112760766A CN112760766A CN202110177198.0A CN202110177198A CN112760766A CN 112760766 A CN112760766 A CN 112760766A CN 202110177198 A CN202110177198 A CN 202110177198A CN 112760766 A CN112760766 A CN 112760766A
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- China
- Prior art keywords
- cover plate
- roller
- spring
- upper pin
- rubber roll
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- 230000007246 mechanism Effects 0.000 title claims abstract description 39
- 239000000835 fiber Substances 0.000 title claims abstract description 26
- 238000007378 ring spinning Methods 0.000 title claims abstract description 18
- 230000000694 effects Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000009987 spinning Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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
- D01H5/26—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by one or more endless aprons
-
- 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
- D01H5/86—Aprons; Apron supports; Apron tensioning arrangements
-
- 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
- D01H5/86—Aprons; Apron supports; Apron tensioning arrangements
- D01H5/88—Cradles; Tensors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The fiber strand conveying mechanism of the ring spinning frame comprises a roller pier and a cradle hinged to the roller pier, wherein a middle roller and a front roller are sequentially and movably arranged on the roller pier along a wire outlet direction, a middle roller rubber roll and a front roller rubber roll are sequentially and movably arranged on the cradle along the wire outlet direction, a lower pin is arranged on the roller pier between the middle roller and the front roller, the middle of the upper surface of the lower pin is provided with an arc-shaped surface, an upper pin cover plate assembly is arranged above the lower pin and comprises a cover plate, an annular conveying belt and a tensioning piece, the arc-shaped surface is matched with the arc-shaped surface of the lower pin in a concave-convex mode, the annular conveying belt is sleeved on the outer surface of the cover plate and the middle roller rubber roll, and a downward elastic pressurizing mechanism is arranged on the head. The invention has the advantages that: because the downward elastic pressurizing mechanism is arranged at the position, close to the front roller rubber roll, of the head of the upper pin cover plate, the pulling force generated by the rotation of the annular conveyer belt and the lifting force of the tensioning spring and the tensioning block on the head of the upper pin cover plate can be offset, stable gaps can be formed among the upper pin cover plate, the annular conveyer belt and the lower pin, the yarn quality is stable, and the occurrence of accidental drafting condition is greatly reduced.
Description
Technical Field
The invention relates to a fiber strand conveying mechanism of a spinning frame.
Background
Referring to fig. 1-3, chinese patent document CN211227482U discloses a fiber strand conveying mechanism of a ring spinning frame, which includes a roller pier 31, a cradle 9 hinged on the roller pier through a cradle holding tube 33, a rear roller shaft 32, a middle roller shaft 3, a front roller shaft 1 are sequentially and movably arranged on the roller pier 31 along the outgoing line direction, a rear roller rubber roller 35, a middle roller rubber roller 4, and a front roller rubber roller 30 are sequentially and movably arranged on the cradle 9 along the outgoing line direction, a lower pin 2 is arranged on the roller pier between the middle roller shaft 3 and the front roller shaft 1, an arc surface is arranged in the middle of the upper surface of the lower pin 2, an upper pin cover plate assembly is arranged above the lower pin, the upper pin cover plate assembly includes an upper pin cover plate 6 with an arc surface matched with the arc surface of the lower pin 2 in a concave-convex manner, an annular conveying belt 7, a cover plate support 13, a tensioning spring 8, a tensioning block 5, the annular conveying belt 7 is sleeved on the outer surface of the upper pin cover plate 6 and the, and the upper pin cover plate 6 is tensioned by a tensioning spring 8, and the upper pin cover plate assembly is connected to a cradle 9.
When the spinning device works, the rear roller rubber roll 35, the middle roller rubber roll 4 and the front roller rubber roll 30 rotate clockwise, the rear roller shaft 32, the middle roller shaft 3 and the front roller shaft 1 rotate anticlockwise, yarns are conveyed to the yarn guide hook 36 to the steel collar 38 and are twisted around the spindle tube 37 to form yarns, the middle roller shaft 3 and the front roller shaft 1 in the rear roller shaft 32 rotate actively, the middle roller rubber roll 4 and the front roller rubber roll 30 in the rear roller rubber roll 35 rotate passively, the rotating speed of the middle roller shaft 3 is 1.1-1.8 times of that of the rear roller shaft 32 generally, the rotating speed of the front roller shaft 1 is 10-100 times of that of the middle roller shaft 3, roving is thinned after drafting, and the upper pin cover plate assembly is arranged to enable the upper pin cover plate 6, the lower pin 2 and the conveyer belt 7 to form a stable friction space so as to control strands.
The fiber strand conveying mechanism is simple to maintain by arranging the upper pin cover plate assembly, can save maintenance cost and time, and reduces drawing power consumption. However, the following disadvantages are also present:
1. the strand of fibers requires the conveyer belt 7 to run at a constant speed in the drafting process, the middle roller rubber roller 4 and the middle roller shaft 3 form a friction pair to drive the conveyer belt 7 to rotate clockwise, a tension force F shown in figures 2, 3 and 5 is formed for the upper pin cover plate 6, meanwhile, the conveyer belt 7 is tensioned under the action of the tensioning spring 8 and the tensioning block 5, and the tension force F is increased, as shown in figure 2.
2. In the spinning process, when the thickness of a strand changes, the cohesive force between strands of fibers of the strand changes suddenly, and the temperature and humidity change, the tension F fluctuates, the fluctuation of the tension F may exceed the downward pressure of the upper pin cover plate 6, so that the head of the upper pin cover plate 6 is lifted, a stable gap formed by the upper pin cover plate 6 and the lower pin 2 is damaged, the quality of the yarn is deteriorated, and the speed of the conveying belt 7 is changed to cause the instability of the quality of the yarn.
3. And the acting point for pressing the upper pin cover plate 6 is at the center of the tension spring 8 of the conveyer belt 7, and is far away from the tension force F of the conveyer belt 6 in the spinning process, so that the upper pin cover plate 6 cannot provide enough downward force when pulled by the tension force F, the head of the upper pin cover plate 6 is lifted up due to the fluctuation of the tension force F, a stable gap formed by the cambered surface of the upper pin cover plate 6 and the cambered surface of the lower pin 2 is damaged, and the yarn quality is unstable.
Disclosure of Invention
The invention provides a fiber strand conveying mechanism of a ring spinning frame for solving the defects in the prior art, so that the stability of yarn quality can be ensured.
The technical scheme adopted by the invention for solving the technical problems is as follows:
fiber strand conveying mechanism of ring spinning frame, it includes the roller mound, articulates the cradle on the roller mound, and the roller mound is gone up and is equipped with well roller, preceding roller along the direction of being qualified for the next round of competitions in proper order activity, and the cradle is gone up and is equipped with well roller rubber roll, preceding roller rubber roll along the direction of being qualified for the next round of competitions in proper order activity, set up down the round pin on the roller mound between well roller and the preceding roller, the middle part of lower pin upper surface sets up the arcwall face, and the lower round pin top sets up the round pin apron subassembly, and the apron, endless conveyor belt, the piece that rises that the round pin apron subassembly includes the arcwall face that matches with the round pin arcwall face: and a downward elastic pressurizing mechanism is arranged on the head part of the upper pin cover plate close to the front roller rubber roll.
More specifically, the downward elastic pressurizing mechanism comprises a plate spring, one end of the plate spring is fixed on one side of the cover plate supporting piece close to the front roller rubber roll, and the other end of the plate spring presses on the head of the upper pin cover plate close to the front roller rubber roll.
More specifically, the downward elastic pressing mechanism includes an elastic pad interposed between the cover plate support and the upper pin cover plate, and having a thickness greater than a gap between the cover plate support and the upper pin cover plate.
More specifically, the downward elastic pressurizing mechanism comprises a spring, one end of the spring is fixed on the cover plate supporting piece, and the other end of the spring is pressed on the head part, close to the front roller rubber roll, of the upper pin cover plate.
More specifically, the downward elastic pressurizing mechanism comprises a spring, and the spring is arranged between the cradle and the head of the upper pin cover plate close to the front roller rubber roll.
Preferably, a spring support is installed on the cradle, one end of the spring is fixed on the spring support, and the other end of the spring is pressed on the head, close to the front roller rubber roll, of the upper pin cover plate.
Compared with the prior art, the invention has the advantages that: because the downward elastic pressurizing mechanism is arranged at the position, close to the front roller rubber roll, of the head of the upper pin cover plate, the pulling force generated by the rotation of the annular conveyer belt and the lifting force of the tensioning spring and the tensioning block on the head of the upper pin cover plate can be offset, stable gaps can be formed among the upper pin cover plate, the annular conveyer belt and the lower pin, the yarn quality is stable, and the occurrence of accidental drafting condition is greatly reduced.
Drawings
Fig. 1 is a schematic diagram of a roving strand of a fiber strand conveying mechanism of a conventional ring spinning frame being drawn into a yarn.
Fig. 2 is a schematic diagram of the upward pulling force generated by the strand conveyer belt of the fiber strand conveyer mechanism of the prior ring spinning frame.
Fig. 3 is a schematic diagram of the upward pulling force generated by the strand conveyer belt of the fiber strand conveyer mechanism of the prior ring spinning frame.
Fig. 4 is a schematic diagram of the source of the downward pressure generated by the upper pin cover plate of the fiber strand conveying mechanism of the prior ring spinning frame.
FIG. 5 is a schematic diagram of the downward force source and the upward force of the conveyer belt of the upper pin cover plate of the fiber strand conveying mechanism of the prior ring spinning frame.
FIG. 6 is a schematic perspective exploded view of the top end of the cover plate of the upper pin of the fiber strand feeding mechanism according to the embodiment of the present invention, which is pressed by a plate spring.
FIG. 7 is a schematic perspective exploded view of the top end of the cover plate of the upper pin of the fiber strand feeding mechanism according to the embodiment of the present invention, which is pressed by elastic rubber.
FIG. 8 is a schematic perspective exploded view of the top end of the cover plate of the upper pin of the fiber strand feeding mechanism using a spring to apply pressure according to the embodiment of the present invention.
FIG. 9 is a schematic perspective exploded view of the head end of the cover plate of the upper pin of the fiber strand feeding mechanism according to the embodiment of the present invention, which is pressed from the cradle.
Detailed Description
The invention is further explained by the embodiment in the following with the attached drawings.
As shown in fig. 1-9, the fiber strand conveying mechanism of the ring spinning frame comprises a roller pier 31 and a cradle 9 hinged on the roller pier through a cradle holding pipe 33, wherein a rear roller shaft 32, a middle roller shaft 3 and a front roller shaft 1 are sequentially and movably arranged on the roller pier 31 along the wire outlet direction, a rear roller rubber roll 35, a middle roller rubber roll 4 and a front roller rubber roll 30 are sequentially and movably arranged on the cradle 9 along the wire outlet direction, a lower pin 2 is arranged on the roller pier between the middle roller shaft 3 and the front roller shaft 1, an arc surface is arranged in the middle of the upper surface of the lower pin 2, an upper pin cover plate assembly is arranged above the lower pin, the upper pin cover plate assembly comprises an upper pin cover plate 6, an annular conveyer belt 7, a cover plate support member 13, a tensioning spring 8 and a tensioning block 5, the arc surface of the lower pin 2 is matched with the arc surface of the lower pin 2 in a concave-convex manner, the annular conveyer belt 7 is sleeved on the outer surface, and the cover plate is tensioned by a tensioning spring 8, and the upper pin cover plate assembly is connected to a cradle 9.
As shown in fig. 4, the cover plate support 13 is provided with an upper pin spring 16 and a spring cover 15, the upper pin spring 16 is arranged in a spring groove 131 of the cover plate support 13, the spring cover 15 is pressed down by the cradle 9 and is transmitted to the cover plate support 13 through the upper pin spring 16, the upper pin cover 6 is connected with the cover plate support 13 through a hinge block 17 and a hinge block seat 18, so that the upper pin cover 6 obtains a downward pressure, and the arc surface of the upper pin cover 6 and the arc surface of the lower pin 2 form a stable fit gap.
In order to offset the lifting force of the tension F generated by the rotation of the annular conveyer belt 7, the tension spring 8 and the tension block 5 on the head of the upper pin cover plate, a downward elastic pressing mechanism is arranged on one side of the upper pin cover plate 6 close to the front roller rubber roll 30. The following is a concrete form of the downward resilient pressing mechanism.
The rollers 51 are arranged on the tensioning block 5, and the rollers 51 support the endless conveyor belt 7, so that the endless conveyor belt 7 can be conveyed more smoothly, as shown in fig. 5 and 6.
As shown in fig. 6, a plate spring 61 is installed between the cover plate support 13 and the upper pin cover 6, one end 611 of the plate spring 61 is fixed on one side of the cover plate support 13 close to the front roller 30, and the other end 612 of the plate spring 61 presses on the head of the upper pin cover 6 close to the front roller 30, so that the plate spring 61 can provide a downward force to the upper pin cover 6 through the cover plate support 13 to counteract the pulling force F generated by the rotation of the conveyor belt and the lifting force of the tension spring and the tension block on the head of the upper pin cover, and to keep the interval between the upper pin cover 6 and the lower pin 2 stable.
As shown in fig. 7, a rubber elastic pad 62 is installed between the cover plate supporting member 13 and the upper pin cover plate 6, and the thickness of the rubber elastic pad 62 is greater than the gap between the cover plate supporting member 13 and the upper pin cover plate 6, so that the rubber elastic pad 62 can apply pressure to the head of the upper pin cover plate 6 near the front roller rubber roller 30 to offset the pulling force F generated by the rotation of the conveyer belt and the lifting force of the tension spring and the tension block to the head of the upper pin cover plate, and keep the interval between the upper pin cover plate 6 and the lower pin 2 stable.
As shown in fig. 8, a spring 63 is installed between the cover support 13 and the upper pin cover 6, and one end 631 of the spring 63 is fixed to the cover support 13 and the other end 632 is pressed against the head of the upper pin cover 6 near the front roller 30.
As shown in fig. 9, a spring bracket 64 is mounted on the cradle 9, a spring 65 is arranged between the spring bracket 64 and the upper pin cover 6, one end of the spring 65 is fixed on the spring bracket 64, and the other end is pressed on the head of the upper pin cover 6 close to the front roller 30.
Claims (6)
1. Fiber strand conveying mechanism of ring spinning frame, it includes the roller mound, articulates the cradle on the roller mound, and the roller mound is gone up and is equipped with well lower roller, preceding lower roller along the direction of being qualified for the next round of competitions in proper order activity, and the cradle is gone up and is equipped with well upper roller, preceding upper roller along the direction of being qualified for the next round of competitions in proper order activity, set up down the round pin on the roller mound between well lower roller and the preceding lower roller, the middle part of lower pin upper surface sets up the arcwall face, and the lower round pin top sets up the round pin apron subassembly, and the apron, endless conveyor belt, the elastic component that the upper pin apron subassembly includes the arcwall face that matches with the lower round pin arcwall face is unsmoo: and a downward elastic pressurizing mechanism is arranged on the head part of the upper pin cover plate close to the front upper rubber roll.
2. The fiber strand conveying mechanism of the ring spinning frame as claimed in claim 1, wherein: the downward elastic pressurizing mechanism comprises a plate spring, one end of the plate spring is fixed on one side, close to the front roller rubber roll, of the cover plate supporting piece, and the other end of the plate spring is pressed on the head, close to the front roller rubber roll, of the upper pin cover plate.
3. The fiber strand conveying mechanism of the ring spinning frame as claimed in claim 1, wherein: the downward elastic pressurizing mechanism comprises an elastic pad, the elastic pad is arranged between the cover plate supporting piece and the upper pin cover plate, and the thickness of the elastic pad is larger than the gap between the cover plate supporting piece and the upper pin cover plate.
4. The fiber strand conveying mechanism of the ring spinning frame as claimed in claim 1, wherein: the downward elastic pressurizing mechanism comprises a spring, one end of the spring is fixed on the cover plate supporting piece, and the other end of the spring is pressed on the head, close to the front roller rubber roll, of the upper pin cover plate.
5. The fiber strand conveying mechanism of the ring spinning frame as claimed in claim 1, wherein: the downward elastic pressurizing mechanism comprises a spring, and the spring is arranged between the cradle and the head of the upper pin cover plate close to the front roller rubber roll.
6. The fiber strand conveying mechanism of the ring spinning frame as claimed in claim 5, wherein: and a spring support is arranged on the cradle, one end of the spring is fixed on the spring support, and the other end of the spring is pressed on the head part of the upper pin cover plate close to the front roller rubber roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110177198.0A CN112760766A (en) | 2021-02-09 | 2021-02-09 | Fiber strand conveying mechanism of ring spinning frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110177198.0A CN112760766A (en) | 2021-02-09 | 2021-02-09 | Fiber strand conveying mechanism of ring spinning frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112760766A true CN112760766A (en) | 2021-05-07 |
Family
ID=75705419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110177198.0A Pending CN112760766A (en) | 2021-02-09 | 2021-02-09 | Fiber strand conveying mechanism of ring spinning frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112760766A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022171095A1 (en) * | 2021-02-09 | 2022-08-18 | 徐时平 | Fiber strand conveying mechanism of ring spinning frame |
| CN116005307A (en) * | 2022-12-30 | 2023-04-25 | 张家港市广大纺机有限公司 | Lower pin and spinning equipment |
| WO2023066264A1 (en) * | 2021-10-21 | 2023-04-27 | 徐时平 | Fiber strand conveying mechanism of ring spinning frame |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2091869U (en) * | 1991-02-12 | 1992-01-01 | 昆山县蓬朗镇施艺五金塑料厂 | Drafting means for spinning machine |
| US5479680A (en) * | 1990-04-06 | 1996-01-02 | Stalder; Herbert | Sliver drafting apparatus |
| DE102005056534A1 (en) * | 2005-02-22 | 2006-08-31 | Spindelfabrik Suessen Gmbh | Staple fiber tow stretching tool, e.g. for ring spinning frame, has upper belt with structured upper surface and freely sliding lower surface to improve drive uptake |
| CN204151500U (en) * | 2014-10-09 | 2015-02-11 | 张家港广众纺机科技有限公司 | A kind of two soft drafting system of S curve |
| CN105683429A (en) * | 2013-11-05 | 2016-06-15 | 里特机械公司 | Traction mechanism with pressure element |
| CN110616479A (en) * | 2018-11-07 | 2019-12-27 | 徐时平 | Fiber strand conveying mechanism of ring spinning frame |
| CN215251429U (en) * | 2021-02-09 | 2021-12-21 | 徐时平 | Fiber strand conveying mechanism of ring spinning frame |
-
2021
- 2021-02-09 CN CN202110177198.0A patent/CN112760766A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5479680A (en) * | 1990-04-06 | 1996-01-02 | Stalder; Herbert | Sliver drafting apparatus |
| CN2091869U (en) * | 1991-02-12 | 1992-01-01 | 昆山县蓬朗镇施艺五金塑料厂 | Drafting means for spinning machine |
| DE102005056534A1 (en) * | 2005-02-22 | 2006-08-31 | Spindelfabrik Suessen Gmbh | Staple fiber tow stretching tool, e.g. for ring spinning frame, has upper belt with structured upper surface and freely sliding lower surface to improve drive uptake |
| CN105683429A (en) * | 2013-11-05 | 2016-06-15 | 里特机械公司 | Traction mechanism with pressure element |
| CN204151500U (en) * | 2014-10-09 | 2015-02-11 | 张家港广众纺机科技有限公司 | A kind of two soft drafting system of S curve |
| CN110616479A (en) * | 2018-11-07 | 2019-12-27 | 徐时平 | Fiber strand conveying mechanism of ring spinning frame |
| CN215251429U (en) * | 2021-02-09 | 2021-12-21 | 徐时平 | Fiber strand conveying mechanism of ring spinning frame |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022171095A1 (en) * | 2021-02-09 | 2022-08-18 | 徐时平 | Fiber strand conveying mechanism of ring spinning frame |
| WO2023066264A1 (en) * | 2021-10-21 | 2023-04-27 | 徐时平 | Fiber strand conveying mechanism of ring spinning frame |
| CN116005307A (en) * | 2022-12-30 | 2023-04-25 | 张家港市广大纺机有限公司 | Lower pin and spinning equipment |
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