CN114703551A - Puffing device for producing puffed fibers from polylactic acid and application of puffing device - Google Patents
Puffing device for producing puffed fibers from polylactic acid and application of puffing device Download PDFInfo
- Publication number
- CN114703551A CN114703551A CN202210300291.0A CN202210300291A CN114703551A CN 114703551 A CN114703551 A CN 114703551A CN 202210300291 A CN202210300291 A CN 202210300291A CN 114703551 A CN114703551 A CN 114703551A
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- Prior art keywords
- roller
- polylactic acid
- cylinder
- cloth
- driving motor
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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
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/02—Spinnerettes
- D01D4/025—Melt-blowing or solution-blowing dies
-
- 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
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/04—Cleaning spinnerettes or other parts of the spinnerette packs
-
- 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
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
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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 discloses a bulking device for producing bulked fibers by polylactic acid, which comprises a device base body, wherein a heat-insulating shell, a rectifying fan cover and a first driving motor are fixedly connected to the device base body respectively, through holes are formed in the left side and the right side of the heat-insulating shell, a roller is rotatably connected in the through holes, one end of the roller is an open opening, an end plate is arranged at the other end of the roller, a flow guide window is formed in the surface of the end plate, an air outlet of the rectifying fan cover is aligned with the flow guide window, and the first driving motor drives the roller to rotate. Make the polylactic acid of hot melt become the laminating of thin layer at the cylinder outer wall, form polylactic acid parcel layer, the atmospheric pressure in cloth chamber is high, atmospheric pressure makes polylactic acid spray to the cylinder in by the spinneret orifice, form popped cellosilk, the cylinder rotates in succession, realize continuous the spouting silk, the thickness on this reasonable in design regulation and control hot melt polylactic acid layer makes atmospheric pressure require greatly reduced still interior realization to spout the silk, thereby reduce the gas tightness requirement of equipment, reduce the fault rate simultaneously, facilitate for production and debugging.
Description
Technical Field
The invention relates to the technical field of chemical production, in particular to a bulking device for producing bulking fibers by polylactic acid and application thereof.
Background
The polylactic acid polymer polylactic acid is a degradable biological material with the best development prospect, has good mechanical property and physical property, is suitable for various processing methods such as blow molding, thermoplastic molding and the like, is convenient to process and very wide in application, can be used for processing various plastic products from industry to civil use, packaged food, fast food lunch boxes, non-woven fabrics, industrial and civil cloth, and further can be processed into agricultural fabrics, health care fabrics, cleaning cloth, hygienic products, outdoor ultraviolet-proof fabrics, tent cloth, ground mat surfaces and the like, can replace polyethylene and polypropylene plastics, eliminates the problems caused by pollution of white plastics to nature and reduction of petroleum and other resources, and has a very good market prospect.
In the popped production process of polylactic acid fibre, generally adopt single-row to spray and generate the cellosilk, because prior art does not carry out thickness control to the polylactic acid of hot melt, corresponding just need higher interior pressure just can realize continuous injection, and this must require equipment to have higher sealing performance, and the debugging increases with the maintenance degree of difficulty, and the fault rate increases, influences the use, and for this reason, this application improves it and provides a popped device of drum-type.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a bulking device for producing bulked fibers by polylactic acid and application thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a popped fibrous popped device of polylactic acid production, includes the device base member, go up difference fixedly connected with heat preservation casing, rectification fan housing and a driving motor of device base member, the left and right sides of heat preservation casing is provided with the through hole to be connected with the cylinder at the through hole internal rotation, the one end of cylinder is for opening the opening, and the other end of cylinder is provided with the end plate, and the water conservancy diversion window has been seted up on the surface of end plate, and the air outlet and the water conservancy diversion window of rectification fan housing align, and it is rotatory that a driving motor drives the cylinder, the spinneret orifice has been seted up on the surface of cylinder, and the inside of heat preservation casing is provided with the cloth chamber, and the heat preservation casing is embedded to have heating element and gas injection pipe, and the last fixed surface of heat preservation casing installs the hot melt heater, hot melt heater and cloth chamber intercommunication.
Preferably, the number of the spinneret orifices is a plurality, the plurality of the spinneret orifices are arranged around the drum in an annular array, the cloth cavity is wrapped on the outer sides of all the spinneret orifices, and the cloth cavity is communicated with the inner cavity of the drum through the spinneret orifices.
Preferably, the cloth chamber is oval, and the space that cloth chamber and cylinder outer wall formed divide into cloth portion and collection portion, and cloth portion means to be located the front and back both sides of cylinder, and collection portion means to be located the upper and lower both sides of cylinder, the quantity of gas injection pipe is a plurality of to be the annular and arrange around the cylinder.
Preferably, the side fixedly connected with belt pulley of end plate, first driving motor pass through the belt and are connected with belt pulley transmission, and the hole department of belt pulley rotates and is connected with the air duct, and fixed mounting has second driving motor and air supply hose on the device base member, and second driving motor passes through the belt and drives the air duct rotatory, and the air supply hose passes through rotary joint and air supply hose and rotates to be connected and communicate.
Preferably, the one end that the air feed hose was kept away from to the air duct extends to in the cylinder to fixedly connected with rotor arm, and the side of rotor arm is provided with the mounting panel, and the last fixed surface of mounting panel installs the scraper blade, and the inside of rotor arm is provided with the atmospheric pressure room, and the inside sliding connection of atmospheric pressure room has the slip stopper, the fixed surface of mounting panel and slip stopper is connected, the air duct with the atmospheric pressure room intercommunication
Preferably, the scraper blade is arc structure, and the surface of scraper blade can all be provided with the blade with the inner wall sliding contact of cylinder around the scraper blade.
Preferably, a conveyor belt is further included, the conveyor belt being disposed on a side of the drum having the open opening.
The invention has the following beneficial effects:
1. this popped fibrous popped device of polylactic acid production, through setting up the cylinder, the cloth portion in cloth chamber is narrow, make the polylactic acid of hot melt become the thin layer laminating at the cylinder outer wall, form polylactic acid parcel layer, the atmospheric pressure in cloth chamber is high, atmospheric pressure makes polylactic acid spray to the cylinder in by the spinneret orifice, form popped cellosilk, the cylinder rotates in succession, realize continuous spouting the silk, the thickness on this reasonable in design regulation and control hot melt polylactic acid layer, it spouts the silk to make atmospheric pressure require the realization in the greatly reduced still, thereby reduce the gas tightness requirement of equipment, reduce the fault rate simultaneously, facilitate for production and debugging.
2. This popped fibrous popped device of polylactic acid production, through setting up the scraper blade, the gas injection pipe is when the pressurization air feed, and the detection atmospheric pressure value changes, and the atmospheric pressure value promotes in the twinkling of an eye, explains the spinneret orifice of cylinder certain region and blocks up, utilizes the rotation of scraper blade to strike off its position jam, dredges the spinneret orifice, realizes the effect of automatic clear stifled, and the gas injection pipe set up the position simultaneously and has realized the effect that detects the jam position.
3. This popped fibrous popped device of polylactic acid production inputs cooling air current in to the cylinder through setting up the rectification fan housing, sprays the silk and is blown the conveyer belt along with the air current in by the cylinder on, realizes cooling and automatic effect of arranging the material, avoids inside to block up, and cylinder spinneret orifice simultaneous working all around, has promoted production efficiency greatly.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic side sectional view of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
FIG. 4 is an enlarged view of the structure at B in FIG. 2;
fig. 5 is a schematic side view of the roller according to the present invention.
In the figure: the device comprises a device base body 1, a heat preservation shell 2, a rectification fan cover 3, a first driving motor 4, a roller 5, an end plate 6, a flow guide window 7, a spinneret orifice 8, a material distribution cavity 9, a heating element 10, a gas injection pipe 11, a hot melting heater 12, a material distribution part 13, a material collection part 14, a belt pulley 15, a gas guide pipe 16, a second driving motor 17, an air supply hose 18, a rotating arm 19, a mounting plate 20, a scraper blade 21, an air pressure chamber 22, a sliding plug 23, a conveyor belt 24, a 25-bulked cellosilk and a polylactic acid wrapping layer 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, a bulking device for producing bulking fibers from polylactic acid comprises a device base body 1, wherein a heat preservation shell 2, a rectification fan housing 3 and a first driving motor 4 are fixedly connected to the device base body 1 respectively, through holes are formed in the left side and the right side of the heat preservation shell 2, a roller 5 is rotatably connected to the through holes, one end of the roller 5 is an open opening, an end plate 6 is arranged at the other end of the roller 5, a flow guide window 7 is formed in the surface of the end plate 6, an air outlet of the rectification fan housing 3 is aligned with the flow guide window 7, low-temperature air flow is collected in the rectification fan housing 3, and the low-temperature air flow enters the inner chamber of the roller 5 in a rotating state from the flow guide window 7.
The side fixedly connected with belt pulley 15 of end plate 6, first driving motor 4 passes through the belt and is connected with the 15 transmissions of belt pulley, first driving motor 4 drives 5 rotations of cylinder, spinneret orifice 8 has been seted up on the surface of cylinder 5, the inside of heat preservation casing 2 is provided with cloth chamber 9, the quantity of spinneret orifice 8 is a plurality of, a plurality of spinneret orifice 8 is the annular array setting around cylinder 5, 9 parcels in the outside of all spinneret orifices 8 in cloth chamber, cloth chamber 9 passes through the inside cavity intercommunication of spinneret orifice 8 with cylinder 5.
Referring to fig. 5, the material distribution portion 13 of the material distribution chamber 9 is narrow, and the hot-melt polylactic acid is changed into a thin layer to be attached to the outer wall of the drum 5 along with the rotation of the drum 5, so as to form a polylactic acid coating layer 26, the air pressure of the material distribution chamber 9 is high, the polylactic acid is sprayed into the drum 5 through the spinneret holes 8 by the air pressure, so as to form the bulked fibers 25, and the drum 5 continuously rotates, so that continuous spinneret is realized.
In the embodiment, the inner hole of the belt pulley 15 is rotatably connected with the air duct 16, the device base 1 is fixedly provided with a second driving motor 17 and an air supply hose 18, the second driving motor 17 drives the air duct 16 to rotate through a belt, the air supply hose 18 is rotatably connected and communicated with the air supply hose 18 through a rotary joint, one end of the air duct 16 far away from the air supply hose 18 extends into the roller 5, the scraper is fixedly connected with a rotating arm 19, a mounting plate 20 is arranged on the side face of the rotating arm 19, a scraper blade 21 is fixedly mounted on the upper surface of the mounting plate 20, an air pressure chamber 22 is arranged inside the rotating arm 19, a sliding plug 23 is slidably connected inside the air pressure chamber 22, the mounting plate 20 is fixedly connected with the surface of the sliding plug 23, the air guide pipe 16 is communicated with the air pressure chamber 22, the scraper blade 21 is of an arc-shaped structure, the outer surface of the scraper blade 21 can be in sliding contact with the inner wall of the roller 5, and cutting edges are arranged on the front side and the rear side of the scraper blade 21.
Referring to fig. 3, the pressure chamber 22 is formed to have a positive pressure and a negative pressure so as to control the reciprocating movement of the sliding plug 23, so that the doctor blade 21 can be attached to or detached from the inner wall of the drum 5. it should be noted that the rotation of the rotating arm 19 causes the doctor blade 21 to be also attached to the inner wall of the drum 5 by the centrifugal force.
Referring to fig. 2, the cloth chamber 9 has a narrow cloth portion 13, which divides the cloth chamber 9 into an upper air chamber and a lower air chamber (i.e., an aggregate portion 14), and when the gas injection pipe 11 supplies gas under pressure, an air cavity is formed in the material collecting part 14, the air pressure value of the air injection pipe 11 is detected to change, the air pressure value is instantly increased, the blockage of the spinneret orifice 8 in a certain area of the roller 5 is indicated, the position blockage can be scraped by the rotation of the scraper blade 21, the spinneret orifice 8 is dredged, the effect of automatic blockage removal is realized, meanwhile, the arrangement positions of the gas injection pipes 11 are different, which provides convenience for detecting the blocking position, and it should be noted that the spinneret holes 8 are easy to block at the inner wall of the roller 5, because the cold airflow is arranged in the roller 5 for cooling, the flow velocity can not meet the requirement, the sprayed puffed fibers 25 are easy to condense and stick on the inner wall of the roller 5, the scraper blade 21 is attached to the inner wall of the roller 5 for rotating, the yarn breaking and blockage removal are realized, and the yarn breaking length is convenient to control at a fixed rotating speed.
In this embodiment, still include conveyer belt 24, conveyer belt 24 sets up and has open-ended one side at cylinder 5, rectification fan housing 3 is to the interior input cooling air current of cylinder 5, the popped fibre 25 of injection sweeps along with the air current, by being blown to conveyer belt 24 in the cylinder 5 on, realize the effect of cooling and automatic row material, avoid inside to pile up the jam, and cylinder 5 spinneret orifice 8 simultaneous workings all around, greatly promoted production efficiency, this reasonable in design, have the function of regulation and control hot melt polylactic acid layer thickness, it spouts the silk still to realize in making atmospheric pressure require greatly reduced, thereby reduce the gas tightness requirement of equipment, reduce the fault rate simultaneously, facilitate for production and debugging.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a popped device of popped fibre of polylactic acid production, includes device base member (1), its characterized in that: the device is characterized in that a heat preservation shell (2), a rectification fan cover (3) and a first driving motor (4) are fixedly connected to a base body (1) of the device respectively, through holes are formed in the left side and the right side of the heat preservation shell (2), a roller (5) is rotatably connected to the through holes, one end of the roller (5) is an open opening, an end plate (6) is arranged at the other end of the roller (5), a flow guide window (7) is formed in the surface of the end plate (6), an air outlet of the rectification fan cover (3) is aligned with the flow guide window (7), the first driving motor (4) drives the roller (5) to rotate, a spinneret orifice (8) is formed in the surface of the roller (5), a cloth cavity (9) is formed in the heat preservation shell (2), a heating element (10) and an air injection pipe (11) are embedded in the heat preservation shell (2), and a hot melting heater (12) is fixedly installed on the upper surface of the heat preservation shell (2), the hot melting heater (12) is communicated with the cloth cavity (9).
2. The bulking device of claim 1, wherein the bulking device comprises: the number of the spinneret orifices (8) is a plurality of, the spinneret orifices (8) are arranged around the roller (5) in an annular array, the cloth cavity (9) is wrapped on the outer side of all the spinneret orifices (8), and the cloth cavity (9) is communicated with the inner cavity of the roller (5) through the spinneret orifices (8).
3. The bulking device of claim 3, wherein the bulking device comprises: cloth chamber (9) are oval, and the space that cloth chamber (9) and cylinder (5) outer wall formed is divided into cloth portion (13) and portion of gathering materials (14), and cloth portion (13) are located both sides around cylinder (5), and portion of gathering materials (14) are located both sides about cylinder (5), and the quantity of gas injection pipe (11) is a plurality of to be the annular and arrange around cylinder (5).
4. The bulking device of claim 4, wherein the bulking device comprises: the side fixedly connected with belt pulley (15) of end plate (6), first driving motor (4) are connected with belt pulley (15) transmission through the belt, the hole department of belt pulley (15) rotates and is connected with air duct (16), fixed mounting has second driving motor (17) and air supply hose (18) on device base member (1), second driving motor (17) drive air duct (16) rotation through the belt, air supply hose (18) are connected and are linked together through rotary joint and air supply hose (18) rotation.
5. The bulking device of claim 4, wherein the bulking device comprises: the one end that air supply hose (18) were kept away from in air duct (16) extends to cylinder (5) to fixedly connected with rotor arm (19), the side of rotor arm (19) is provided with mounting panel (20), and the last fixed surface of mounting panel (20) installs scraper blade (21), and the inside of rotor arm (19) is provided with atmospheric pressure chamber (22), and the inside sliding connection of atmospheric pressure chamber (22) has sliding plug (23), mounting panel (20) and the fixed surface of sliding plug (23) are connected, air duct (16) with atmospheric pressure chamber (22) intercommunication.
6. The bulking device of claim 5, wherein the bulking device comprises: scraper blade (21) are the arc structure, and the surface of scraper blade (21) can all be provided with the blade with the inner wall sliding contact of cylinder (5) around scraper blade (21).
7. The bulking device for producing bulked fibers of polylactic acid according to any of claims 1 to 6, wherein: the device also comprises a conveyor belt (24), wherein the conveyor belt (24) is arranged on one side of the roller (5) with an open opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210300291.0A CN114703551B (en) | 2022-03-25 | 2022-03-25 | Puffing device for producing puffed fibers from polylactic acid and application of puffing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210300291.0A CN114703551B (en) | 2022-03-25 | 2022-03-25 | Puffing device for producing puffed fibers from polylactic acid and application of puffing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114703551A true CN114703551A (en) | 2022-07-05 |
| CN114703551B CN114703551B (en) | 2023-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210300291.0A Active CN114703551B (en) | 2022-03-25 | 2022-03-25 | Puffing device for producing puffed fibers from polylactic acid and application of puffing device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3468996A (en) * | 1966-03-08 | 1969-09-23 | Du Pont | Process for producing composite polyester yarn that bulks at elevated temperatures |
| GB1454522A (en) * | 1973-02-23 | 1976-11-03 | Ici Ltd | Bulked polyester textile yarns |
| CN109023559A (en) * | 2018-10-11 | 2018-12-18 | 浙江农林大学暨阳学院 | A kind of electric spinning equipment and preparation method thereof preparing staple fiber batt |
| CN208762612U (en) * | 2018-08-27 | 2019-04-19 | 苏州金泉新材料股份有限公司 | The filament spinning component of half embedded composite fibre of two-component |
| CN109881265A (en) * | 2019-04-09 | 2019-06-14 | 龙福环能科技股份有限公司 | A kind of processing technology and application of polylactic acid texturized fiber |
| CN109985848A (en) * | 2019-04-09 | 2019-07-09 | 龙福环能科技股份有限公司 | The extruding apparatus and application of polylactic acid production texturized fiber |
-
2022
- 2022-03-25 CN CN202210300291.0A patent/CN114703551B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3468996A (en) * | 1966-03-08 | 1969-09-23 | Du Pont | Process for producing composite polyester yarn that bulks at elevated temperatures |
| GB1454522A (en) * | 1973-02-23 | 1976-11-03 | Ici Ltd | Bulked polyester textile yarns |
| CN208762612U (en) * | 2018-08-27 | 2019-04-19 | 苏州金泉新材料股份有限公司 | The filament spinning component of half embedded composite fibre of two-component |
| CN109023559A (en) * | 2018-10-11 | 2018-12-18 | 浙江农林大学暨阳学院 | A kind of electric spinning equipment and preparation method thereof preparing staple fiber batt |
| CN109881265A (en) * | 2019-04-09 | 2019-06-14 | 龙福环能科技股份有限公司 | A kind of processing technology and application of polylactic acid texturized fiber |
| CN109985848A (en) * | 2019-04-09 | 2019-07-09 | 龙福环能科技股份有限公司 | The extruding apparatus and application of polylactic acid production texturized fiber |
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| CN114703551B (en) | 2023-02-24 |
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