CN220597710U - Precooling type chemical fiber spinning assembly - Google Patents
Precooling type chemical fiber spinning assembly Download PDFInfo
- Publication number
- CN220597710U CN220597710U CN202321964236.8U CN202321964236U CN220597710U CN 220597710 U CN220597710 U CN 220597710U CN 202321964236 U CN202321964236 U CN 202321964236U CN 220597710 U CN220597710 U CN 220597710U
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- CN
- China
- Prior art keywords
- spinneret
- cooling
- precooling
- chemical fiber
- holes
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- 239000000835 fiber Substances 0.000 title claims abstract description 59
- 239000000126 substance Substances 0.000 title claims abstract description 59
- 238000009987 spinning Methods 0.000 title claims abstract description 37
- 238000001816 cooling Methods 0.000 claims abstract description 64
- 239000000155 melt Substances 0.000 claims abstract description 13
- 239000002826 coolant Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 1
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Abstract
The utility model discloses a precooling chemical fiber spinning component, which comprises a pressure block, a distributing cup and a spinneret which are sequentially arranged along the flow guiding direction of a melt in a shell; the spinning nozzle is internally provided with a pre-cooling cavity, and the spinning surface of the spinning nozzle is provided with a pre-cooling hole for conducting the pre-cooling cavity; during spinning, the solution passing through the spinneret is precooled through the precooling medium in the precooling cavity, the chemical fiber sprayed out of the spinneret hole is precooled through the precooling medium sprayed out of the precooling hole, and the solution is precooled during spinning, so that the sprayed chemical fiber is rapidly cooled and hardened, and the situation of stretch breaking caused by overhigh temperature of the sprayed chemical fiber is avoided.
Description
Technical Field
The utility model belongs to the technical field of chemical fiber spinning components, and particularly relates to a precooling type chemical fiber spinning component.
Background
In the spinning operation process, cooling equipment is arranged at the rear of the spinning nozzle to cool and harden the sprayed chemical fiber yarns, and as the temperature is higher when the chemical fiber yarns are just sprayed, the effective cooling area of the cooling equipment is also provided with a space, and when the chemical fiber yarns are acted by the discharging pulling force, the chemical fiber yarns are easy to break at the positions of the just-sprayed spinning holes, so that the spinning progress is influenced.
Disclosure of Invention
The utility model aims to: in order to overcome the defects in the prior art, the utility model provides a precooling chemical fiber spinning assembly, which is characterized in that a solution passing through a spinneret and chemical fiber sprayed out of the spinneret are subjected to precooling cooling through a precooling cavity and a precooling hole, so that sprayed chemical fiber is rapidly cooled and hardened, and the situation that the sprayed chemical fiber is broken due to overhigh temperature at the position just outside the spinneret is avoided.
The technical scheme is as follows: in order to achieve the above purpose, the pre-cooling chemical fiber spinning assembly of the utility model comprises a pressure block, a distributing cup and a spinneret which are sequentially arranged along the flow guiding direction of a melt in a shell; a pre-cooling cavity is formed in the spinneret, and a pre-cooling hole for conducting the pre-cooling cavity is formed in the spinning face of the spinneret; during spinning, the solution passing through the spinneret is precooled by a precooling medium in the precooling cavity, and the chemical fiber filaments sprayed out of the spinneret holes are precooled by the precooling medium sprayed out of the precooling holes.
Further, a medium inlet is formed in the spinneret, and the pre-cooling medium enters the pre-cooling cavity from the medium inlet and is supplied to the pre-cooling holes.
Further, the pre-cooling medium is a cold gas.
Further, the spinneret hole is arranged along the axial direction of the spinneret, and the pre-cooling hole is obliquely arranged towards the spinneret hole, so that the central axis of the pre-cooling hole and the central axis of the spinneret hole are in a cross shape; the precooling medium sprayed from the precooling hole and the chemical fiber sprayed from the spinning hole are intersected at an acute angle.
Further, the spinneret holes are arranged in a row along the radial direction of the spinneret, a row of pre-cooling holes are formed in two sides of each row of the spinneret holes, and the pre-cooling holes in two rows simultaneously spray pre-cooling media which cross when reaching the contact chemical fiber filaments.
Further, the pre-cooling cavities correspond to the rows of pre-cooling holes, and the head and the tail of the two pre-cooling cavities are communicated through a communication cavity to form a pre-cooling surrounding cavity surrounding the rows of spinning holes.
Further, the spinneret is provided with a surrounding edge extending into the shell, the spinneret forms a melt cavity through limiting between the surrounding edge and the distribution cup, and the melt filtered by the filter holes of the distribution cup enters the melt cavity and is supplied to the spinneret holes.
The beneficial effects are that: according to the utility model, the solution passing through the spinneret and the chemical fiber sprayed from the spinneret hole are pre-cooled and cooled through the pre-cooling cavity and the pre-cooling hole, so that the sprayed chemical fiber is rapidly cooled and hardened, and the situation that the chemical fiber is broken due to overhigh temperature at the position just outside the spinneret hole is avoided; the precooling medium in the precooling cavity precools the solution first to reduce a part of the temperature of the solution to ensure that the chemical fiber yarn has certain hardness when being discharged out of the hole, and then precools the chemical fiber yarn by spraying the precooling medium from the precooling hole to further precool, cool and harden the chemical fiber yarn after being discharged out of the hole, and precool the chemical fiber yarn twice before and after the chemical fiber yarn is cooled, so that the chemical fiber yarn is ensured not to be broken under the action of discharge tension, and the spinning operation progress is ensured.
Drawings
FIG. 1 is a schematic diagram of the semi-sectional structure of the present utility model;
FIG. 2 is a schematic exploded view of the structure of the present utility model;
fig. 3 is a schematic structural view of a pre-chilled spinneret.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
In the spinning operation process, cooling equipment is arranged at the rear of the spinning nozzle to cool and harden the sprayed chemical fiber yarns, and as the temperature is higher when the chemical fiber yarns are just sprayed, the effective cooling area of the cooling equipment is also provided with a space, and when the chemical fiber yarns are acted by the discharging pulling force, the chemical fiber yarns are easy to break at the positions of the just-sprayed spinning holes, so that the spinning progress is influenced.
In order to solve the problems, the technical scheme provided by the utility model is as shown in the accompanying drawings 1 and 2, and the pre-cooling chemical fiber spinning assembly comprises a pressure block 2, a distributing cup 3 and a spinneret 4 which are sequentially arranged along the flow guiding direction of a melt in a shell 1; a pre-cooling cavity 41 is arranged in the spinneret 4, and a pre-cooling hole 42 for conducting the pre-cooling cavity 41 is formed in the spinning face of the spinneret 4; during spinning, the solution passing through the spinneret 4 is pre-cooled by the pre-cooling medium in the pre-cooling cavity 41, and the chemical fiber filaments ejected from the spinneret holes 40 are pre-cooled by the pre-cooling medium ejected from the pre-cooling holes 42. The pre-cooling cavity 41 and the pre-cooling hole 42 are used for pre-cooling and cooling the solution passing through the spinneret 4 and the chemical fiber sprayed from the spinneret hole 40, so that the sprayed chemical fiber is quickly cooled and hardened, and the situation that the chemical fiber is broken due to overhigh temperature at the position just outside the spinneret hole 40 is avoided. The precooling medium in the precooling cavity 41 precools the solution first, so that the solution is cooled to a part of temperature, the chemical fiber yarn has a certain hardness when being discharged out of the hole, and then the precooled medium is sprayed out of the precooling hole 42 to precool the chemical fiber yarn, so that the chemical fiber yarn after being discharged out of the hole is further precooled, cooled and hardened, and precooled for two times before and after the precooling is carried out, so that the chemical fiber yarn is ensured not to be broken under the action of discharge tension, and the spinning operation progress is ensured.
A medium inlet 6 is provided on the spinneret 4, and the pre-cooling medium is supplied from the medium inlet 6 into a pre-cooling chamber 41 to a pre-cooling hole 42. Preferably, the pre-cooling medium is cold gas, and the medium inlet 6 is connected with a cold gas supply device through a cold gas pipeline to continuously supply the cold gas.
As shown in fig. 1, the spinneret holes 40 are disposed along the axial direction of the spinneret 4, and the pre-cooling holes 42 are disposed obliquely toward the spinneret holes 40, so that the central axes of the pre-cooling holes 42 and the central axes of the spinneret holes 40 are in a cross shape; when the precooling medium sprayed out of the precooling hole 42 and the chemical fiber sprayed out of the spinneret hole 40 are in acute-angle crossing and meet, and when the precooling medium is sprayed out of the precooling hole 42 to precool the chemical fiber, the impact force on the chemical fiber is an inclined force, namely is not perpendicular to the chemical fiber, so that the chemical fiber is prevented from being blown to bend or deform, and the risk of bending or even breaking the chemical fiber due to impact of the precooling medium is reduced.
In order to improve the spinning efficiency, the spinneret holes 40 are arranged in a row along the radial direction of the spinneret 4, and a row of pre-cooling holes 42 are respectively arranged at two sides of the row of the spinneret holes 40 correspondingly in order to realize comprehensive pre-cooling, and the pre-cooling holes 42 in two rows simultaneously spray pre-cooling media which cross when reaching the contact chemical fiber filaments.
As shown in fig. 3, the pre-cooling chambers 41 correspond to the rows of pre-cooling holes 42, and the front end and the rear end of the pre-cooling chambers 41 are communicated through a communication chamber 45 to form a pre-cooling surrounding chamber surrounding the rows of spinning holes 40. The precooling medium is guided in the precooling surrounding cavity, so that the precooling effect on the solution precooling and cooling passing through the spinneret 4 is good.
The spinneret 4 is provided with a surrounding edge 43 extending into the shell 1, the spinneret 4 forms a melt cavity 44 through limit between the surrounding edge 43 and the distribution cup 3, and the melt filtered by the filter holes 30 of the distribution cup 3 enters the melt cavity 44 and is supplied to the spinneret holes 40.
As shown in fig. 1 and 2, the pressure block 2 and the spinneret 4 are both arranged on the shell 1 through screws, the pressure block 2 and the spinneret 4 are clamped by the distributing cup 3, and the clamping position is provided with a sealing ring 5 in a squeezing mode. The pressure block 2 is provided with a threaded joint 20, the spinning assembly is abutted against a fixing device in the spinning box through the threaded joint 20, and the threaded joint 20 is further provided with a sealing ring 5.
The foregoing is only a preferred embodiment of the utility model, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.
Claims (7)
1. A precooling chemical fiber spinning component is characterized in that: comprises a pressure block (2), a distributing cup (3) and a spinneret (4) which are sequentially arranged along the flow guiding direction of the melt in a shell (1); a pre-cooling cavity (41) is formed in the spinneret (4), and a pre-cooling hole (42) for conducting the pre-cooling cavity (41) is formed in the spinneret face of the spinneret (4); during spinning, the solution passing through the spinneret (4) is precooled by a precooling medium in the precooling cavity (41), and the chemical fiber filaments sprayed out of the spinneret holes (40) are precooled by a precooling medium sprayed out of the precooling holes (42).
2. The precooling chemical fiber spin pack assembly of claim 1 wherein: a medium inlet (6) is arranged on the spinneret (4), and the pre-cooling medium enters a pre-cooling cavity (41) from the medium inlet (6) and is supplied to a pre-cooling hole (42).
3. The precooling chemical fiber spin pack assembly of claim 1 wherein: the pre-cooling medium is cold gas.
4. The precooling chemical fiber spin pack assembly of claim 1 wherein: the spinneret holes (40) are arranged along the axial direction of the spinneret (4), and the pre-cooling holes (42) are obliquely arranged towards the spinneret holes (40) so that the central axes of the pre-cooling holes (42) and the central axes of the spinneret holes (40) are in a cross shape; the precooling medium sprayed from the precooling hole (42) and the chemical fiber sprayed from the spinning hole (40) are intersected at an acute angle.
5. The precooling chemical fiber spin pack assembly of claim 4 wherein: the spinneret holes (40) are arranged in a row along the radial direction of the spinneret (4), a row of pre-cooling holes (42) are formed in two sides of each row of the spinneret holes (40), and the pre-cooling holes (42) in two rows simultaneously spray pre-cooling media which cross when reaching the contact chemical fiber filaments.
6. The precooling chemical fiber spin pack assembly of claim 5, wherein: the pre-cooling cavities (41) correspond to the rows of pre-cooling holes (42), and the two pre-cooling cavities (41) are communicated end to end through a communication cavity (45) to form a pre-cooling surrounding cavity surrounding the rows of spinning holes (40).
7. A pre-cooled chemical fiber spin pack assembly according to any one of claims 1 to 6, wherein: the spinneret (4) is provided with a surrounding edge (43) extending into the shell (1), a melt cavity (44) is formed between the surrounding edge (43) and the distribution cup (3) in a limiting mode, and the melt filtered by the filtering holes (30) of the distribution cup (3) enters the melt cavity (44) and is supplied to the spinneret holes (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321964236.8U CN220597710U (en) | 2023-07-25 | 2023-07-25 | Precooling type chemical fiber spinning assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321964236.8U CN220597710U (en) | 2023-07-25 | 2023-07-25 | Precooling type chemical fiber spinning assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220597710U true CN220597710U (en) | 2024-03-15 |
Family
ID=90164868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321964236.8U Active CN220597710U (en) | 2023-07-25 | 2023-07-25 | Precooling type chemical fiber spinning assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220597710U (en) |
-
2023
- 2023-07-25 CN CN202321964236.8U patent/CN220597710U/en active Active
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