CN113445137A - High-elasticity high-strength polyester hot melt yarn spinning device and preparation process thereof - Google Patents
High-elasticity high-strength polyester hot melt yarn spinning device and preparation process thereof Download PDFInfo
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- CN113445137A CN113445137A CN202110708914.3A CN202110708914A CN113445137A CN 113445137 A CN113445137 A CN 113445137A CN 202110708914 A CN202110708914 A CN 202110708914A CN 113445137 A CN113445137 A CN 113445137A
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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
- D01D1/00—Treatment of filament-forming or like material
- D01D1/04—Melting filament-forming substances
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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
- D01D1/00—Treatment of filament-forming or like material
- D01D1/10—Filtering or de-aerating the spinning solution or melt
- D01D1/103—De-aerating
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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
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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
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
- D01D5/0885—Cooling filaments, threads or the like, leaving the spinnerettes by means of a liquid
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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
- D01D5/08—Melt spinning methods
- D01D5/098—Melt spinning methods with simultaneous stretching
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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
- D01D5/18—Formation of filaments, threads, or the like by means of rotating spinnerets
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- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention relates to the technical field of polyester yarn making, and discloses a high-elasticity high-strength polyester hot-melt yarn spinning device and a preparation process thereof. The invention arranges two stirring devices with the same configuration at the lower side of the same hot-melting stirrer, and ensures that the elasticity and the strength of the hot-melting raw materials at two sides are respectively longer by adjusting the stirring time of the left and the right hot-melting stirring exhaust rods.
Description
Technical Field
The invention relates to the technical field of polyester yarn making, in particular to a high-elasticity high-strength polyester hot melt yarn spinning device and a preparation process thereof.
Background
The terylene is an important variety in synthetic fibers, and is prepared by taking Purified Terephthalic Acid (PTA) or dimethyl terephthalate (DMT) and ethylene glycol (MEG) as raw materials to prepare fiber-forming high polymer, namely polyethylene terephthalate (PET), and spinning and post-processing the fiber-forming high polymer to prepare the fiber-forming high polymer, wherein the fiber-forming high polymer is widely used for manufacturing clothing and products in industry in large quantity, and has higher requirements on the existing polyester yarn materials along with the improvement of the demand of people, for example, the polyester yarn materials still have better elasticity under the condition of higher strength, but the strength and elasticity of the prior polyester yarn depend on the chemical characteristics of the polyester yarn, the related performance of the polyester yarn is difficult to improve on the premise of not changing other chemical characteristics, therefore, a device and a preparation method for improving the strength and the elasticity of the polyester yarn are needed to improve the strength and the toughness of the polyester yarn on the premise of not influencing other performances.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the problems, the detection equipment and the detection method for the high-speed paying-off tackle are provided, and the problems are solved.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
the utility model provides a high-elastic high-strength polyester hot melt silk spinning device, includes the hot melt agitator disk, be equipped with the hot melt chamber in the hot melt agitator disk, the upper right end of hot melt agitator disk is equipped with the dacron section feed inlet that link up from top to bottom, the middle part in hot melt chamber rotates and is equipped with the stirring rod, the symmetry sets up from top to bottom of stirring rod, the fixed alternating current motor that is equipped with in upper end of hot melt agitator disk, the lower extreme suit of alternating current motor's output shaft is equipped with hot oil sleeve pipe, hot oil sleeve pipe downwardly extending with the hollow main shaft intercommunication of stirring rod, hot oil sheathed tube intraductal notes have hot oil, the downside of hot melt agitator disk is equipped with hot melt stirring exhaust rod, be equipped with the biserial puddler in the hot melt stirring exhaust rod, and puddler apart from great one end with hot melt chamber intercommunication, just hot melt stirring exhaust rod with hot melt chamber intercommunication, the hollow main shaft of stirring rod with the mobile jib intercommunication in the hot melt stirring exhaust rod, the fixed thick setting device of extrusion that is equipped with of downside of hot melt stirring air discharge bar, just thick setting device of extrusion with the thin end intercommunication of hot melt stirring air discharge bar, the coaxial rotation of the lower extreme of the thick setting device of extrusion is equipped with the double-circuit gyration dish, the lower extreme of double-circuit gyration dish is equipped with two discharge gates, hot melt stirring air discharge bar, the thick setting device of extrusion, double-circuit gyration dish all with alternating current motor's axis sets up for central bilateral symmetry, the fixed design plain noodles device that is equipped with in lower extreme middle part of hot melt stirring dish, the lower extreme of design plain noodles device rotates and is equipped with the design tube head, the lower extreme of hot melt stirring dish is equipped with the bobbin, it is equipped with the line roller to rotate on the bobbin, the coaxial rotation of one end of line roller is equipped with driving motor.
Preferably, a horizontal stirring shaft is arranged in the hot-melt stirring exhaust rod, an inclined stirring shaft is arranged on the upper side of the horizontal stirring shaft, a motor is arranged at one end, away from the shaping smooth surface device, of the horizontal stirring shaft and one end, away from the shaping smooth surface device, of the inclined stirring shaft for driving, the horizontal stirring shaft and the inclined stirring shaft are gradually close to each other from one end with the motor to the other end, a double-cross hot-oil connecting pipe is arranged between the left hot-melt stirring exhaust rod and the right hot-oil connecting pipe, the double-cross hot-oil connecting pipe is communicated with the hot-oil sleeve, the double-cross hot-oil connecting pipe is communicated with the inclined stirring shaft and the horizontal stirring shaft respectively, and a triangular pyramid is arranged between two adjacent spiral stirring blades on the inclined stirring shaft;
the hot-melting stirring exhaust rod is designed by the big end and the small end of the double screw, the hot-melting polyester chips in the hot-melting stirring disc are encrypted and subjected to homogeneous stirring, and meanwhile, residual bubbles in hot-melting fluid can be exhausted by using the triangular pyramid.
Preferably, the vertical bilateral symmetry in extrusion coarse setting device inner chamber upper end is equipped with two telescopic links, the articulated bump hot pressboard that is equipped with of lower extreme of telescopic link, the lower extreme of extrusion coarse setting device is equipped with the taper hole.
Preferably, the double-path rotary disc comprises a double-hole wire pressing block, the upper end face of the double-hole wire pressing block is fixedly connected to the lower end face of the extrusion coarse shaping device, two single-wire holes are symmetrically arranged in the double-hole wire pressing block from top to bottom, the diameter of each single-wire hole is gradually reduced from top to bottom, a double-wire rotary frame is arranged on the cylindrical surface of the double-hole wire pressing block in a rotary mode, a wire hole is detachably arranged at the lower end of the double-wire rotary frame, a wire winding hole coaxial with the single-wire hole is formed in the wire hole, and a motor is arranged outside the double-wire rotary frame.
Preferably, the lower end of the shaping smooth surface device is rotatably provided with four wire drawing rollers, the four wire drawing rollers are transversely arranged at intervals, the wire drawing rollers are coaxially provided with a motor for driving, the lower end of the shaping smooth surface device is fixedly provided with a thrust ball bearing, the lower end face of the thrust ball bearing is fixedly provided with a cold spray head, the cold spray head comprises an integrally formed conical head, the conical head is internally provided with a conical hole which is communicated from top to bottom, the outer wall of the conical head is spirally wound with a cold circulating pipe, the upper end and the lower end of the conical head are both provided with threads, the lower end of the conical head is in threaded connection with a sleeved thin pipe oil nozzle, the outer ring of the cold spray head is provided with a cylindrical driving gear, the wire winding device comprises a winding frame, the upper end of the winding frame is rotatably provided with a wire drawing roller, the left end of the wire drawing roller is rotatably provided with a servo motor, and the output shaft of the servo motor is provided with a bevel gear, and a transmission shaft vertical to the axis of the servo motor is rotatably arranged on the upper side of the servo motor, the transmission shaft is meshed with the cylindrical driving gear, and the lower end of the transmission shaft is meshed with a bevel gear on the servo motor.
A preparation process of a high-elasticity high-strength polyester thermal fuse comprises the following steps:
step 1: putting polyester slices into a hot melting cavity from a polyester slice feeding port, injecting heat conduction oil from a hot oil sleeve, and starting an alternating current motor to drive a stirring rod to rotate so as to stir, melt and homogenize the polyester slices;
step 2: guiding the polyester slices subjected to the pre-stirring treatment into a hot-melting stirring exhaust rod, starting a motor horizontal stirring shaft in the hot-melting stirring exhaust rod and an inclined stirring shaft to perform extrusion treatment while performing rotary stirring, and simultaneously extruding bubbles in the melt by using a triangular pyramid arranged on the inclined stirring shaft, and stirring to obtain a dense and homogeneous polyester melt;
and step 3: guiding the polyester melt prepared in the step 2 into an extrusion coarse sizing device, pushing a telescopic rod to extrude the melt onto a cold spray head, and performing the melt;
and 4, step 4: pulling the linear polyester yarns extruded in the step 3 into the yarn holes, starting the double-yarn rotating frame 35 to rotate, enabling the two polyester yarns to be twisted and formed mutually, and winding the polyester yarns between the yarn pulling rollers;
and 5: and (3) enabling the polyester yarns pulled out from the wire pulling roller to pass through the conical head, injecting refrigerating fluid into the cold circulating pipe to circulate the cold circulating pipe, pulling the polyester yarns out from the cold spray head, performing liquid cooling forming, and finally winding the polyester yarns onto the wire pulling roller to obtain the polyester hot melt yarns.
Preferably, said step 5 comprises the following sub-steps;
step 5-1: simultaneously drawing the prefabricated polyester yarns drawn out from the left and right two-way rotary discs into a cold spray head, and starting a servo motor to drive a transmission shaft to drive a cylindrical driving gear to rotate so that the cold spray head rotates to spin two strands of polyester yarns into one yarn;
step 5-2: and (4) performing smooth surface treatment on the thread shape of the surface of the polyester yarn twisted in the step 5-1 by using a smooth surface end sleeved at the lower end of the thin tube oil nozzle.
Preferably, the stirring time of the polyester chip in the hot melting cavity is not less than 15 hours, and the temperature of the heat conducting oil in the hot oil sleeve is 60-75 ℃.
Preferably, the stirring time of the hot-melting stirring exhaust rod positioned on the right side is 10-15 minutes of that of the hot-melting stirring disk, the stirring time of the hot-melting stirring exhaust rod positioned on the left side is 20-30 minutes, and the rotation speed of the double-wire rotating frame positioned on the right side is 1.2-1.5 times that of the double-wire rotating frame 35 positioned on the left side.
Preferably, the temperature of the cold circulation pipe 32 on the cold spray head 29 is 5 to 8 ℃.
The invention has the advantages and positive effects that:
the invention sets two stirring devices with the same configuration at the lower side of the same hot melting stirrer, ensures that the elasticity and the strength of hot melting raw materials at two sides are respectively increased by adjusting the stirring time of a left hot melting stirring exhaust rod and a right hot melting stirring exhaust rod, then extrudes a coarse shaping device and winds single filaments into semi-finished filaments by a double-path rotary disk in a rotating way, finally twists and rotates the semi-finished filaments by utilizing a shaping smooth surface device and simultaneously matches with heating to ensure that the semi-finished filaments are completely melted into a whole, and smoothes the surface of the finished filaments at the position of an outlet, so that the appearance of the finished filaments is consistent with the existing spinning, but the internal structure is greatly different, and the strength and the elasticity of the finished filaments are greatly enhanced.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the structure of a physical test apparatus according to the present invention;
FIG. 2 is an enlarged schematic view of the twin-wire turret 35 of FIG. 1;
FIG. 3 is a schematic exploded cross-sectional view of cold spray head 29 of FIG. 1;
fig. 4 is a schematic view of the triangular pyramid 43 in the present invention.
The scores in the figures are as follows: 10. a hot-melting stirring disc; 11. a hot-melt stirring exhaust rod; 12. extruding a coarse sizing device; 13. a two-way rotary disc; 14. a winding device; 15. a feeding port of the polyester chips; 17. an alternating current motor; 18. a hot oil jacket; 19. a stirring rod; 20. double cross hot oil connecting pipes; 21. a horizontal stirring shaft; 22. an inclined frame stirring shaft; 23. a telescopic rod; 24. a cylindrical driving gear; 25. a drive shaft; 26. a bobbin; 27. a servo motor; 28. a wire roller; 29. a cold spray head; 30. a cone head; 31. sleeving a thin tube oil nozzle; 32. a cold circulation pipe; 33. a double-hole line pressing block; 34. a single-wire hole; 35. a two-wire turret; 36. A wire hole; 37. a hot melt chamber; 38. a salient point hot pressing plate; 39. a taper hole; 40. a wire drawing roller; 41. a shaping smooth surface device; 42. a thrust ball bearing; 43. a triangular pyramid.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The embodiments of the invention will be described in further detail below with reference to the accompanying drawings:
as shown in fig. 1-4, the high-elasticity high-strength polyester hot-melt filament spinning device comprises a hot-melt stirring disc 10, a hot-melt cavity 37 is arranged in the hot-melt stirring disc 10, a polyester chip feed port 15 which is vertically communicated is arranged at the right upper end of the hot-melt stirring disc 10, a stirring rod 19 is rotatably arranged in the middle of the hot-melt cavity 37, the stirring rod 19 is symmetrically arranged up and down, an alternating current motor 17 is fixedly arranged at the upper end of the hot-melt stirring disc 10, a hot oil sleeve 18 is sleeved at the lower end of an output shaft of the alternating current motor 17, the hot oil sleeve 18 extends downwards to be communicated with a hollow main shaft of the stirring rod 19, hot oil is injected into a pipe of the hot oil sleeve 18, a hot-melt stirring exhaust rod 11 is arranged at the lower side of the hot-melt stirring disc 10, double-row stirring rods are arranged in the hot-melt stirring exhaust rod 11, and the end with the larger distance between the stirring rods is communicated with the hot-melt cavity 37, and the hot-melt stirring exhaust rod 11 is communicated with the hot-melt cavity 37, the hollow main shaft of the stirring rod 19 is communicated with the main rod in the hot-melt stirring exhaust rod 11, the lower side of the hot-melt stirring exhaust rod 11 is fixedly provided with an extrusion coarse shaping device 12, the extrusion coarse shaping device 12 is communicated with the thin end of the hot-melt stirring exhaust rod 11, the lower end of the extrusion coarse shaping device 12 is coaxially rotated and provided with a double-way rotary disc 13, the lower end of the double-way rotary disc 13 is provided with two discharge ports, the hot-melt stirring exhaust rod 11, the extrusion coarse shaping device 12 and the double-way rotary disc 13 are arranged in bilateral symmetry by taking the axis of the alternating current motor 17 as the center, the middle part of the lower end of the hot-melt stirring disc 10 is fixedly provided with a shaping smooth surface device 41, the lower end of the shaping smooth surface device 41 is rotated and provided with a shaping pipe head, and the lower end of the hot-melt stirring disc 10 is provided with a wire winding frame 26, a wire roller 28 is rotatably arranged on the winding frame 26, and a driving motor is coaxially and rotatably arranged at one end of the wire roller 28.
Preferably, a horizontal stirring shaft 21 is arranged in the hot-melt stirring exhaust rod 11, an oblique stirring shaft 22 is arranged on the upper side of the horizontal stirring shaft 21, a motor drive is arranged at one end of the horizontal stirring shaft 21 and the oblique stirring shaft 22, which is far away from the shaping smooth surface device 41, the horizontal stirring shaft 21 and the oblique stirring shaft 22 are gradually close to each other from one end with the motor to the other end, a double-cross hot oil connecting pipe 20 is arranged between the left hot-melt stirring exhaust rod 11 and the right hot-melt stirring exhaust rod 11, the double-cross hot oil connecting pipe 20 is communicated with the hot oil sleeve 18, the double-cross hot oil connecting pipe 20 is communicated with the oblique stirring shaft 22 and the horizontal stirring shaft 21 respectively, and a triangular pyramid 43 is arranged between two adjacent spiral stirring blades on the oblique stirring shaft 22;
the hot-melting stirring exhaust rod 11 is designed by the big end and the small end of the double screw, and the hot-melting polyester chips in the hot-melting stirring disc 10 are encrypted and subjected to homogeneous stirring treatment, and meanwhile, residual bubbles in hot-melting fluid can be exhausted by using the triangular pyramid 43.
Preferably, the upper end of the inner cavity of the extrusion coarse sizing device 12 is longitudinally and bilaterally symmetrically provided with two telescopic rods 23, the lower ends of the telescopic rods 23 are hinged to be provided with salient point hot pressing plates 38, and the lower end of the extrusion coarse sizing device 12 is provided with a taper hole 39.
Preferably, the two-way rotary disc 13 comprises a double-hole pressing block 33, the upper end face of the double-hole pressing block 33 is fixedly connected to the lower end face of the extrusion coarse shaping device 12, two single-line holes 34 are symmetrically formed in the double-hole pressing block 33 in a bilateral mode, the aperture of each single-line hole 34 is gradually reduced from top to bottom, a double-line rotary frame 35 is arranged on the cylindrical surface of the double-hole pressing block 33 in a rotary mode, a line hole 36 is formed in the lower end of the double-line rotary frame 35 in a detachable mode, a winding hole coaxial with the single-line hole 34 is formed in the line hole 36, and a motor is arranged outside the double-line rotary frame 35.
Preferably, the lower end of the shaping smooth surface device 41 is rotatably provided with four wire drawing rollers 40, the four wire drawing rollers 40 are transversely arranged at intervals, the wire drawing rollers 40 are coaxially provided with a motor for driving, the lower end of the shaping smooth surface device 41 is fixedly provided with a thrust ball bearing 42, the lower end surface of the thrust ball bearing 42 is fixedly provided with a cold spray head 29, the cold spray head 29 comprises an integrally formed conical head 30, the interior of the conical head 30 is a conical hole which is communicated up and down, the outer wall of the conical head 30 is spirally wound with a cold circulation pipe 32, the upper end and the lower end of the conical head 30 are both provided with threads, and the lower end of the conical head 30 is provided with a sleeved thin pipe oil nozzle 31 in a threaded connection manner;
the cold circulating pipe 32 arranged on the outer wall of the conical head 30 can rapidly cool the polyester hot melt wire in a circulating liquid cooling mode to enable the polyester hot melt wire to be rapidly molded, and meanwhile, better toughness is kept;
and the outer ring of the cold spray nozzle 29 is provided with a cylindrical driving gear 24, the winding device 14 comprises a winding frame 26, the upper end of the winding frame 26 is rotatably provided with a wire roller 28, the left end of the wire roller 28 is rotatably provided with a servo motor 27, the output shaft of the servo motor 27 is provided with a bevel gear, the upper side of the servo motor 27 is rotatably provided with a transmission shaft 25 vertical to the axis of the servo motor 27, the transmission shaft 25 is meshed with the cylindrical driving gear 24, and the lower end of the transmission shaft 25 is meshed with the bevel gear on the servo motor 27.
A preparation process of a high-elasticity high-strength polyester hot melt yarn, which adopts the high-elasticity high-strength polyester hot melt yarn spinning device of claim 1, comprises the following steps:
step 1: polyester chips are placed into a hot melting cavity 37 from a polyester chip feeding hole 15, heat conduction oil is injected from a hot oil sleeve 18, an alternating current motor 17 is started to drive a stirring rod 19 to rotate so as to stir, melt and homogenize the polyester chips;
step 2: guiding the polyester slices subjected to the pre-stirring treatment into a hot-melting stirring exhaust rod 11, starting a motor horizontal stirring shaft 21 and an inclined frame stirring shaft 22 in the hot-melting stirring exhaust rod 11, performing extrusion treatment on the polyester slices while performing rotary stirring, and extruding bubbles in the melt by using a triangular pyramid 43 arranged on the inclined frame stirring shaft 22, and stirring to obtain a densified and homogeneous polyester melt;
and step 3: guiding the polyester melt prepared in the step 2 into an extrusion coarse sizing device 12, pushing a telescopic rod 23 to extrude the melt onto a cold spray nozzle 29, and performing the pre-forming treatment;
and 4, step 4: pulling the linear polyester yarns extruded in the step 3 into the yarn holes 36, starting the double-yarn rotating frame 35 to rotate, enabling the two polyester yarns to be twisted and formed mutually, and winding the polyester yarns between the yarn pulling rollers 40;
and 5: the polyester yarn pulled out from the thread pulling roller 40 passes through the conical head 30, the refrigerating fluid is injected into the cold circulating pipe 32 and circulates, the polyester yarn is pulled out from the cold spray nozzle 29 and is formed by liquid cooling, and finally the polyester yarn is wound on the thread pulling roller 28 to obtain the polyester hot melt yarn.
Preferably, said step 5 comprises the following sub-steps;
step 5-1: simultaneously drawing the prefabricated polyester yarns drawn out from the left and right two-way rotary discs 13 into a cold spray head 29, and starting a servo motor 27 to drive a transmission shaft 25 to drive a cylindrical driving gear 24 to rotate so that the cold spray head 29 rotates to spin two strands of polyester yarns into one;
step 5-2: and (3) performing smooth surface treatment on the thread shape of the surface of the polyester yarn twisted in the step 5-1 by using the smooth surface end at the lower end of the sleeved thin tube oil nozzle 31.
Preferably, the stirring time of the polyester chip in the hot melting cavity 37 is not less than fifteen hours, and the temperature of the heat conducting oil in the hot oil sleeve 18 is 60-75 ℃.
Preferably, the stirring time of the hot-melting stirring exhaust rod 11 positioned on the right side is 10 minutes to 15 minutes from the polyester chip feeding hole of the hot-melting stirring disc, the stirring time of the hot-melting stirring exhaust rod 11 positioned on the left side is 20 to 30 minutes, and the rotating speed of the double-wire rotating frame 35 positioned on the right side is 1.2 to 1.5 times of the rotating speed of the double-wire rotating frame 35 positioned on the left side.
Preferably, the temperature of the cold circulation pipe 32 on the cold spray head 29 is 5 to 8 ℃.
In specific implementation, after the polyester chips are pretreated and stirred, the polyester chips are homogenized and densified, bubbles in a melt are extruded in the process of the pretreatment, breakage of the polyester chips in the subsequent spinning process is avoided, the polyester chips are preliminarily refined through extrusion of a telescopic rod 23, how to twist two thin wires into thin wires in a spiral mode, finally the left thin wire and the right thin wire are formed in a spiral mode, finally smooth surface treatment is carried out through an oil nozzle, the thin wires are wound on a wire roller 28 to obtain the hot melt wire, the left hot melt stirring exhaust rod and the right hot melt stirring exhaust rod 11 are different in stirring time to obtain thin wires with different strengths and toughness, the thin wires are formed in a spiral twisting mode in the subsequent steps, and finally the polyester wires are formed in a quick cold spraying mode, so that the polyester wires have high strength and good elasticity.
It should be emphasized that the embodiments described herein are illustrative rather than restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but other embodiments derived from the technical solutions of the present invention by those skilled in the art are also within the scope of the present invention.
Claims (10)
1. The utility model provides a high-elastic high-strength polyester hot melt silk spinning device, includes hot melt stirring dish (10), its characterized in that: the hot-melting stirring device is characterized in that a hot-melting cavity (37) is arranged in the hot-melting stirring disc (10), the upper right end of the hot-melting stirring disc (10) is provided with a polyester chip feeding hole (15) which is communicated with the upper and lower parts, the middle part of the hot-melting cavity (37) is rotated to be provided with a stirring rod (19), the stirring rod (19) is arranged in an up-and-down symmetrical manner, the upper end of the hot-melting stirring disc (10) is fixedly provided with an alternating current motor (17), the lower end of an output shaft of the alternating current motor (17) is sleeved with a hot oil sleeve (18), the hot oil sleeve (18) extends downwards and is communicated with a hollow main shaft of the stirring rod (19), hot oil is filled in a pipe of the hot oil sleeve (18), a hot-melting stirring exhaust rod (11) is arranged on the lower side of the hot-melting stirring disc (10), a double-row stirring rod is arranged in the hot-melting stirring exhaust rod (11), and the larger distance between the stirring rod and the hot-melting cavity (37) is communicated with the hot-melting cavity, just hot melt stirring exhaust rod (11) with hot melt chamber (37) intercommunication, the cavity main shaft of stirring rod (19) with mobile jib intercommunication in hot melt stirring exhaust rod (11), the downside of hot melt stirring exhaust rod (11) is fixed and is equipped with thick setting device of extrusion (12), just thick setting device of extrusion (12) with the thin end intercommunication of hot melt stirring exhaust rod (11), the coaxial rotation of the lower extreme of thick setting device of extrusion (12) is equipped with double-circuit gyration dish (13), the lower extreme of double-circuit gyration dish (13) is equipped with two discharge gates, hot melt stirring exhaust rod (11), thick setting device of extrusion (12), double-circuit gyration dish (13) all use the axis of AC motor (17) sets up as central bilateral symmetry, the lower extreme middle part of hot melt stirring dish (10) is fixed and is equipped with setting device (41), the lower extreme of setting device (41) rotates and is equipped with the design tube head, the lower extreme of hot melt stirring dish (10) is equipped with bobbin (26), rotate on bobbin (26) and be equipped with line roller (28), the coaxial rotation of one end of line roller (28) is equipped with driving motor.
2. The spinning device of the high-elasticity high-strength polyester thermal fuse wire according to claim 1, which is characterized in that: a horizontal stirring shaft (21) is arranged in the hot-melting stirring exhaust rod (11), an inclined frame stirring shaft (22) is arranged on the upper side of the horizontal stirring shaft (21), one ends of the horizontal stirring shaft (21) and the inclined frame stirring shaft (22) far away from the shaping smooth surface device (41) are provided with motor drives, the horizontal stirring shaft (21) and the inclined frame stirring shaft (22) are gradually close to each other from one end with a motor to the other end, a double-cross hot oil connecting pipe (20) is arranged between the left hot-melt stirring exhaust rod (11) and the right hot-melt stirring exhaust rod (11), the double-cross hot oil connecting pipe (20) is communicated with the hot oil sleeve (18), meanwhile, the double-cross hot oil connecting pipe (20) is respectively communicated with the inclined frame stirring shaft (22) and the horizontal stirring shaft (21), a triangular pyramid (43) is arranged between two adjacent spiral stirring pieces on the inclined stirring shaft (22).
3. The spinning device of the high-elasticity high-strength polyester thermal fuse wire according to claim 1, which is characterized in that: the vertical bilateral symmetry in extrusion coarse setting device (12) inner chamber upper end is equipped with two telescopic links (23), the articulated bump hot pressboard (38) that is equipped with of lower extreme of telescopic link (23), the lower extreme of extrusion coarse setting device (12) is equipped with taper hole (39).
4. The spinning device of the high-elasticity high-strength polyester thermal fuse wire according to claim 1, which is characterized in that: double-circuit gyration dish (13) are including diplopore line ball piece (33), the up end fixed connection of diplopore line ball piece (33) in the lower terminal surface of the thick setting device of extrusion (12), bilateral symmetry is equipped with two haplopore holes (34) in diplopore line ball piece (33), haplopore hole (34) from top to bottom aperture diminishes gradually, the face of cylinder gyration of diplopore line ball piece (33) is equipped with double-line gyration frame (35), the lower extreme of double-line gyration frame (35) can be dismantled and be equipped with line hole (36), be equipped with on line hole (36) with the coaxial wire winding hole of haplopore hole (34), double-line gyration frame (35) outside is equipped with motor drive.
5. The spinning device of the high-elasticity high-strength polyester thermal fuse wire according to claim 1, which is characterized in that: the lower extreme of design plain noodles device (41) rotates and is equipped with act as go-between roller (40), act as go-between roller (40) horizontal interval arranges and is equipped with four, act as go-between roller (40) coaxial motor drive that is equipped with, the fixed thrust ball bearing (42) that is equipped with of lower extreme of design plain noodles device (41), the fixed cold shower nozzle (29) that is equipped with of lower terminal surface of thrust ball bearing (42), cold shower nozzle (29) are including integrated into one piece's cone head (30), the inside of cone head (30) is the cone hole that link up from top to bottom, the outer wall spiral winding of cone head (30) is equipped with cold circulation pipe (32), the upper and lower both ends of cone head (30) all are equipped with the screw thread, the lower extreme threaded connection of cone head (30) tubule is equipped with suit glib (31), just the outer lane of cold shower nozzle (29) is equipped with cylinder driving gear (24), winding device (14) include bobbin (26), the upper end of bobbin (26) is rotated and is equipped with line roller (28), the left end of line roller (28) is rotated and is equipped with servo motor (27), the output shaft of servo motor (27) is equipped with bevel gear, the upside of servo motor (27) is rotated and is equipped with servo motor (27) axis vertically transmission shaft (25), transmission shaft (25) with cylinder driving gear (24) meshing, the lower extreme of transmission shaft (25) with the bevel gear meshing on servo motor (27).
6. A preparation process of a high-elasticity high-strength polyester thermal fuse is characterized by comprising the following steps: the high-elasticity high-strength polyester hot melt spinning device adopted in the claim 1 comprises the following steps:
step 1: polyester chips are placed into a hot melting cavity (37) from a polyester chip feeding hole (15), heat conducting oil is injected from a hot oil sleeve (18), and an alternating current motor (17) is started to drive a stirring rod (19) to rotate so as to stir, melt and homogenize the polyester chips;
step 2: guiding the polyester slices subjected to the pre-stirring treatment into a hot-melting stirring exhaust rod (11), starting a motor horizontal stirring shaft (21) and an inclined frame stirring shaft (22) in the hot-melting stirring exhaust rod (11) to perform rotary stirring, extruding the polyester slices, extruding bubbles in the melt by using a triangular pyramid (43) arranged on the inclined frame stirring shaft (22), and stirring to obtain a dense and homogeneous polyester melt;
and step 3: guiding the polyester melt prepared in the step (2) into an extrusion coarse sizing device (12), pushing a telescopic rod (23) to extrude the melt onto a cold spray head (29) for performing treatment;
and 4, step 4: drawing the linear polyester yarns extruded in the step (3) into the yarn holes (36), starting the double-yarn rotary frame (35) to rotate, enabling the two polyester yarns to be twisted and formed, and winding the two polyester yarns between the yarn pulling rollers (40);
and 5: the polyester yarns pulled out from the wire pulling roller (40) penetrate through the conical head (30), refrigerating fluid is injected into the cold circulating pipe (32) and circulates, the polyester yarns are pulled out from the cold spray head (29) and are formed by liquid cooling, and finally the polyester yarns are wound on the wire pulling roller (28) to obtain the polyester hot melt yarns.
7. The preparation process of the high-elasticity high-strength polyester thermal fuse according to claim 6, which is characterized in that: said step (5) comprises the following sub-steps;
step 5-1: drawing the prefabricated polyester yarns drawn out from the left and right two-way rotary discs (13) into a cold spray head (29) at the same time, and starting a servo motor (27) to drive a transmission shaft (25) to drive a cylindrical driving gear (24) to rotate so that the cold spray head (29) rotates to spin two strands of polyester yarns into one piece;
step 5-2: and (3) performing smooth surface treatment on the thread shape of the surface of the polyester yarn twisted in the step (5-1) by using a smooth surface end sleeved at the lower end of the thin tube oil nozzle (31).
8. The preparation process of the high-elasticity high-strength polyester thermal fuse according to claim 6, which is characterized in that: the stirring time of the polyester chip in the hot melting cavity (37) is not less than 15 hours, and the temperature of the heat conducting oil in the hot oil sleeve (18) is 60-75 ℃.
9. The preparation process of the high-elasticity high-strength polyester thermal fuse according to claim 6, which is characterized in that: the stirring time of the hot-melting stirring exhaust rod (11) positioned on the right side is 10-15 minutes of that of a hot-melting stirring disk, the stirring time of the hot-melting stirring exhaust rod (11) positioned on the left side is 20-30 minutes, and the rotating speed of the double-wire rotating frame (35) positioned on the right side is 1.2-1.5 times that of the double-wire rotating frame (35) positioned on the left side.
10. The preparation process of the high-elasticity high-strength polyester thermal fuse according to claim 6, which is characterized in that: the temperature of the cold circulating pipe (32) on the cold spray head (29) is 5-8 ℃.
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| CN113445137B (en) | 2022-12-13 |
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