CN111534869A - Miniature wet spinning drafting device - Google Patents
Miniature wet spinning drafting device Download PDFInfo
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- CN111534869A CN111534869A CN202010389442.5A CN202010389442A CN111534869A CN 111534869 A CN111534869 A CN 111534869A CN 202010389442 A CN202010389442 A CN 202010389442A CN 111534869 A CN111534869 A CN 111534869A
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- drafting
- wet spinning
- miniaturized
- tank
- fluid
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/06—Wet spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
- D01D5/14—Stretch-spinning methods with flowing liquid or gaseous stretching media, e.g. solution-blowing
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
- D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention provides a miniaturized wet spinning drafting device, which comprises a fluid drafting system, a coagulating bath, a drafting bath and a winding device, wherein the fluid drafting system comprises a fluid drafting system, a coagulating bath, a drafting bath and a winding device; the fluid drafting system comprises a micro water pump, a liquid storage tank, a reducing pipe and a flow guide sleeve, the coagulating bath tank comprises a main tank, an auxiliary tank, a heating temperature control part, a filter valve and a guide roller, the drafting bath tank comprises a liquid storage tank, a heating temperature control part, a drafting roller and a guide roller, and the winding device comprises a winding roller and a transmission device. According to the miniaturized wet spinning drafting device, the vertical fluid drafting and horizontal mechanical drafting combined system is adopted, the mechanical drafting system is reduced, the operation is simplified, the preparation efficiency and the quality controllability of wet spinning fibers are improved, and the miniaturized wet spinning drafting device is suitable for research and development and experimental teaching of a wet spinning fiber laboratory.
Description
Technical Field
The invention belongs to the technical field of wet spinning equipment, and particularly relates to a miniaturized wet spinning drafting device.
Background
The wet spinning equipment is generally composed of a spinning system, a multi-stage drafting system and a winding system, and the equipment is large in size. Among them, the drawing system is an indispensable part for improving the properties of the fiber structure. The as-spun fiber obtained by wet spinning is subjected to drawing and thinning by a drawing system to obtain higher orientation degree or crystallinity, and the mechanical property of the fiber is obviously improved. The pressurized steam drafting device for fiber drafting disclosed in patent 201010571590.5 utilizes pressurized steam to generate high-power drafting effect, the fiber drafting and winding device disclosed in patent 201711203557.5 performs drafting and shaping treatment through a plurality of groups of drafting rollers, and the carbon fiber precursor steam drafting device disclosed in patent 201910668478.4 utilizes pressure air flow to effectively open the carbon fiber precursor tows, so that the drafting effect is improved. The fiber drafting devices are suitable for large-scale production and processing and do not adapt to the condition requirements of wet spinning fiber research and development and experimental teaching.
The existing wet spinning equipment for experiments is usually a small-sized production line, and a multi-stage drafting system is usually formed by sequentially arranging a plurality of drafting devices, so that the occupied area is large, and the operation is extremely inconvenient. Therefore, the equipment needs to be further miniaturized, and the requirement of wet spinning teaching and scientific research is better met. The micro-injection pump has become a common spinning control system in a laboratory, and is mainly used for preparing electrostatic spinning nano-fibers and wet spinning nascent fibers. In order to obtain wet spinning fibers with good mechanical properties, a miniaturized fiber drafting device matched with a micro-injection pump is needed to reduce the occupied area of equipment, simplify the operation and improve the preparation efficiency and quality controllability of the wet spinning fibers.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a miniaturized wet spinning drafting device, which adopts a vertical fluid drafting and horizontal mechanical drafting combined system to carry out multi-stage drafting on nascent fibers and has the advantages of reduced horizontal drafting system, simple and easy operation and suitability for teaching and scientific research.
In order to solve the problems, the invention provides a miniaturized wet spinning drafting device, which comprises a fluid drafting system, a coagulating bath, a drafting bath and a winding device, wherein the fluid drafting system comprises a fluid drafting system, a coagulating bath, a drafting bath and a winding device; the fluid drafting system comprises a micro water pump, a liquid storage tank, a reducing pipe and a flow guide sleeve, the coagulating bath tank comprises a main tank, an auxiliary tank, a heating temperature control part, a filter valve and a guide roller, the drafting bath tank comprises a liquid storage tank, a heating temperature control part, a drafting roller and a guide roller, and the winding device comprises a winding roller and a transmission device.
Preferably, the micro water pump of the fluid drafting system is arranged in the auxiliary tank of the coagulating bath and is connected with the liquid storage tank through a hose.
Preferably, a liquid storage tank of the fluid drafting system can be freely lifted, a round small hole is formed in the center of the bottom of the liquid storage tank and connected with a vertical reducing pipe, 4 drainage hole pipes are distributed around the round hole, and the reducing pipe and the drainage hole pipes are packaged by the flow guide sleeve.
Preferably, the reducing pipe is made of stainless steel, glass, ultra-high molecular weight polyethylene, polyvinyl chloride, polytetrafluoroethylene or polycarbonate, the upper part and the lower part of the reducing pipe are cylindrical, and the middle transition section is connected by a tapered taper pipe.
Preferably, the material of the flow guide sleeve is stainless steel, glass, ultra-high molecular weight polyethylene, polyvinyl chloride, polytetrafluoroethylene or polycarbonate, the upper part and the lower part of the flow guide sleeve are cylindrical, the middle transition section is connected by a tapered conical pipe, and the outlet end is bent upwards.
Preferably, the upper part of the side wall of the coagulating bath groove is provided with an auxiliary groove which is communicated with the main groove through a filter valve and used for placing a micro water pump; the bottom of the main trough of the coagulating bath is hump-shaped, the right side of the hump is high heel-shaped, and the lower parts of the left side and the right side of the trough body are provided with drain valves.
Preferably, a heating temperature control component is arranged on the side wall of the main tank of the coagulating bath.
Preferably, the side wall of the drafting bath is provided with a heating temperature control component.
The fluid drafting system has the beneficial effects that the fluid drafting system drafts and coagulates the extruded spinning solution in the reducing pipe by circulating the coagulating bath, the flow velocity of the fluid in the upper pipe and the lower pipe of the reducing pipe is different, so that a secondary drafting effect is generated on the nascent fiber, the fluid in the guide sleeve can output the fiber yarn flowing out of the reducing pipe upwards along the outlet of the elbow of the guide pipe, and the broken fiber residue is blown to the high-leg groove on the right side for deposition, so that the drafting channel is clean, and the continuous drafting and the leading-out of the strand silk are facilitated; further, the drafting bath is used for third-level drafting, and the slivers are mechanically drafted through the stepless speed change of the drafting rollers; according to the technical scheme, the fluid drafting system is vertically arranged, secondary drafting is implemented through flow velocity change, and third-stage drafting is implemented through combination of horizontal mechanical drafting, so that the drafting efficiency is high, the floor area of equipment is greatly reduced, the operation is simple and feasible, the preparation efficiency and stability of wet spinning fibers are improved, and the teaching and scientific research application can be well met.
Drawings
Fig. 1 is a schematic view of a miniaturized wet spinning drafting apparatus according to an embodiment of the present invention.
The reference numerals are represented as:
1-a liquid storage tank; 11-reducing the diameter of the pipe; 12-a flow sleeve; 13-a micro water pump; 14-drainage hole tube; 2-a coagulating bath tank; 21-a filter valve; 22-heating temperature control component; 23-a guide roller; 24-a drain valve; 3-a drafting bath; 31-a draft roller; 4-winding roll.
Detailed Description
As shown in fig. 1, the embodiment of the present invention provides a miniaturized wet spinning drafting device, which comprises a fluid drafting system, wherein the fluid drafting system comprises a liquid storage tank 1, a reducing pipe 11 arranged at the central position of the bottom of the liquid storage tank 1, a drainage hole pipe 14 arranged around the reducing pipe 11, a flow guide sleeve pipe 12 arranged outside the hole pipe 14, and a miniature water pump 13. By adopting the technical scheme, the micro water pump 13 pumps the coagulating bath into the liquid storage tank 1 from the auxiliary tank of the coagulating bath tank 2, and the coagulating bath flows back into the coagulating bath tank 2 through the vertical pore passage connected with the reducing pipe 11 of the liquid storage tank 1 to form circular flow. The spinning solution is extruded out from the inlet of the reducing pipe 11, the spinning solution is subjected to primary drafting and is solidified into filaments under the action of a coagulation bath flow field in the reducing pipe 11, filament yarns enter a thin pipe at the lower part of the reducing pipe 11, and the filament yarns are subjected to secondary drafting under the action of secondary drafting under the influence of the change of the speed of the coagulation bath flow field, so that the fluid drafting action is changed by adjusting the height of a liquid storage tank to change the flow velocity of coagulation bath fluid and selecting a reducing pipe with matched length, and the input of a horizontal direction drafting system is reduced; furthermore, the drainage hole pipe 14 guides the coagulation bath fluid in the liquid storage tank 1 into the flow guide sleeve 12 to flow, and the fluid outputs the filaments flowing out of the reducing pipe 11 along the outlet end elbow direction of the flow guide pipe 12, thereby being beneficial to traction and guide of the filaments.
Preferably, the upper part of the side wall of the coagulation bath 2 is provided with an auxiliary groove which is communicated with the main groove through a filter valve 21, a micro water pump is arranged in the auxiliary groove, the bottom of the main groove of the coagulation bath 2 is designed to be a hump-shaped bulge, filaments output from the bent pipe of the draft tube 12 are conveyed upwards along the hump-shaped slope of the main groove of the coagulation bath 2 under the action of a flow field, so that the drawing and leading-out operation of continuous filaments is facilitated, and the flow field can also send broken filament residues into a high heel groove on the other side of the slope of the main groove of the coagulation bath 2 for deposition, so that the coagulation bath of a drawing channel is kept clean, the drawing and leading-out of the continuous filaments is facilitated and kept clean, and preferably, the side wall of the coagulation bath 2 is provided with a heating temperature control part 22.
Furthermore, the filament yarns output from the flow guide sleeve 12 are sent into the drafting bath 3 through the guide roller 23, and are subjected to third-level mechanical drafting through the drafting roller 31, so that the orientation degree of the filament yarns is improved, the fiber structure and the performance are improved, and the heating temperature control component 22 is arranged on the side wall of the drafting bath 3, so that the temperature control of the drafting bath can be realized; finally, the drawn yarn is discharged through a guide roller 23 and collected on the winding roller 4.
It should be understood by those skilled in the art that the embodiments of the present invention are only for illustrating the technical solutions of the present invention, and the present invention is not limited thereto, and any modifications, equivalent substitutions, improvements, etc. made to the present invention should be included in the protection scope of the present invention without departing from the technical principles of the present invention.
Claims (8)
1. A miniaturized wet spinning drafting arrangement which characterized in that: comprises a fluid drafting system, a coagulating bath, a drafting bath and a winding device; the fluid drafting system comprises a micro water pump, a liquid storage tank, a reducing pipe and a flow guide sleeve, the coagulating bath tank comprises a main tank, an auxiliary tank, a heating temperature control part, a filter valve and a guide roller, the drafting bath tank comprises a liquid storage tank, a heating temperature control part, a drafting roller and a guide roller, and the winding device comprises a winding roller and a transmission device.
2. The miniaturized wet spinning draft device of claim 1, wherein: and a micro water pump of the fluid drafting system is arranged in the auxiliary tank of the coagulating bath and is connected with the liquid storage tank through a hose.
3. The miniaturized wet spinning draft device of claim 1, wherein: the liquid storage tank of the fluid drafting system can be freely lifted, a round small hole is formed in the center of the bottom of the liquid storage tank and is vertically connected with the reducing pipe, 4 drainage hole pipes are distributed around the round hole, and the reducing pipe and the drainage hole pipes are packaged by the flow guide sleeve.
4. The miniaturized wet spinning draft device of claims 1 and 3, wherein: the reducing pipe is made of stainless steel, glass, ultra-high molecular weight polyethylene, polyvinyl chloride, polytetrafluoroethylene or polycarbonate, the upper part and the lower part of the reducing pipe are cylindrical, and the middle transition section is connected by a reducing taper pipe.
5. The miniaturized wet spinning draft device of claims 1 and 3, wherein: the material of the flow guide sleeve is stainless steel, glass, ultra-high molecular weight polyethylene, polyvinyl chloride, polytetrafluoroethylene or polycarbonate, the upper part and the lower part of the flow guide sleeve are cylindrical, the middle transition section is connected by a tapered conical pipe, and the outlet end is bent upwards.
6. The miniaturized wet spinning draft device of claim 1, wherein: the upper part of the side wall of the coagulating bath groove is provided with an auxiliary groove which is communicated with the main groove through a filter valve and used for placing a micro water pump; the bottom of the main trough of the coagulating bath is hump-shaped, the right side of the hump is high heel-shaped, and the lower parts of the left side and the right side of the trough body are provided with drain valves.
7. The miniaturized wet spinning draft device of claims 1 and 6, wherein: and a heating temperature control component is arranged on the side wall of the main tank of the coagulating bath tank.
8. The miniaturized wet spinning draft device of claim 1, wherein: and a heating temperature control component is arranged on the side wall of the drafting bath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010389442.5A CN111534869A (en) | 2020-05-10 | 2020-05-10 | Miniature wet spinning drafting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010389442.5A CN111534869A (en) | 2020-05-10 | 2020-05-10 | Miniature wet spinning drafting device |
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| Publication Number | Publication Date |
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| CN111534869A true CN111534869A (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010389442.5A Pending CN111534869A (en) | 2020-05-10 | 2020-05-10 | Miniature wet spinning drafting device |
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| CN (1) | CN111534869A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112301440A (en) * | 2020-10-28 | 2021-02-02 | 苏州大学 | Circulating fluid power spinning device and method |
| CN113445139A (en) * | 2021-08-27 | 2021-09-28 | 浙江佳燕日用品有限公司 | Manufacturing device of sterilizing and inflammation diminishing baby wet tissue |
| CN113862802A (en) * | 2021-09-18 | 2021-12-31 | 上海飒卓新材料科技有限公司 | Miniature temperature-control wet spinning equipment for scientific research |
Citations (8)
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|---|---|---|---|---|
| KR960017951A (en) * | 1994-11-29 | 1996-06-17 | 감상응 | Manufacturing method of cellulose fiber |
| US5968433A (en) * | 1997-05-23 | 1999-10-19 | Zimmer Aktiengesellschaft | Process for spinning of solutions of cellulose carbamate |
| CN1288491A (en) * | 1998-11-09 | 2001-03-21 | 巴马格股份公司 | Method and device for producing high oriented yarn |
| CN1400339A (en) * | 2001-05-17 | 2003-03-05 | 齐默尔股份公司 | Exsolution apparatus with deflecting funnel |
| CN102477591A (en) * | 2010-11-19 | 2012-05-30 | 中国纺织科学研究院 | Cellulose fiber, preparation method thereof and equipment |
| CN102534858A (en) * | 2012-01-09 | 2012-07-04 | 东华大学 | Method for preparing graphene/polyimide composite fibers |
| CN102586904A (en) * | 2012-03-14 | 2012-07-18 | 哈尔滨工业大学 | Miniature dry-jetting wet-spinning equipment |
| CN203683744U (en) * | 2013-12-19 | 2014-07-02 | 东华大学 | Mini type wet method spinning device |
-
2020
- 2020-05-10 CN CN202010389442.5A patent/CN111534869A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960017951A (en) * | 1994-11-29 | 1996-06-17 | 감상응 | Manufacturing method of cellulose fiber |
| US5968433A (en) * | 1997-05-23 | 1999-10-19 | Zimmer Aktiengesellschaft | Process for spinning of solutions of cellulose carbamate |
| CN1288491A (en) * | 1998-11-09 | 2001-03-21 | 巴马格股份公司 | Method and device for producing high oriented yarn |
| CN1400339A (en) * | 2001-05-17 | 2003-03-05 | 齐默尔股份公司 | Exsolution apparatus with deflecting funnel |
| CN102477591A (en) * | 2010-11-19 | 2012-05-30 | 中国纺织科学研究院 | Cellulose fiber, preparation method thereof and equipment |
| CN102534858A (en) * | 2012-01-09 | 2012-07-04 | 东华大学 | Method for preparing graphene/polyimide composite fibers |
| CN102586904A (en) * | 2012-03-14 | 2012-07-18 | 哈尔滨工业大学 | Miniature dry-jetting wet-spinning equipment |
| CN203683744U (en) * | 2013-12-19 | 2014-07-02 | 东华大学 | Mini type wet method spinning device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112301440A (en) * | 2020-10-28 | 2021-02-02 | 苏州大学 | Circulating fluid power spinning device and method |
| CN113445139A (en) * | 2021-08-27 | 2021-09-28 | 浙江佳燕日用品有限公司 | Manufacturing device of sterilizing and inflammation diminishing baby wet tissue |
| CN113862802A (en) * | 2021-09-18 | 2021-12-31 | 上海飒卓新材料科技有限公司 | Miniature temperature-control wet spinning equipment for scientific research |
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Application publication date: 20200814 |