CN110983461A - Chemical fiber yarn spinning process - Google Patents
Chemical fiber yarn spinning process Download PDFInfo
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- CN110983461A CN110983461A CN201911394397.6A CN201911394397A CN110983461A CN 110983461 A CN110983461 A CN 110983461A CN 201911394397 A CN201911394397 A CN 201911394397A CN 110983461 A CN110983461 A CN 110983461A
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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
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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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Abstract
The invention discloses a chemical fiber spinning process, which comprises a base, wherein a control box is arranged on one side of the upper surface of the base, a cooling cylinder is arranged right above the base, a shield is arranged at the bottom end of the cooling cylinder, the bottom end of the shield is connected with the base together, a cooling coil is arranged in the cooling cylinder, a heater is arranged on the circular arc side surface of the cooling cylinder, the top end of the cooling coil is also connected with the heater together, and a hydraulic cylinder is connected with the top of the rear side of the base through a bolt, so that the problems that the existing cooling equipment is inconvenient to control spinning cooling air, the cooling air is easy to cause spinning disorder, and meanwhile, a large amount of dust is easy to stick on spinning due to the fact that the cooling air is not purified, and the spinning quality is influenced are solved, and the cooling equipment for spinning processing is improved and optimized, so that the cooling equipment can cool the spinning without blowing, thereby avoiding a series of defects easily caused by side wind blowing to spinning.
Description
Technical Field
The invention relates to the technical field of chemical fiber yarns, in particular to a chemical fiber yarn spinning process.
Background
The chemical fiber filaments need to be spun in the processing and production process, the spinning needs to be cooled and formed at a spinneret orifice in the spinning process, the existing method for cooling the spinning from the spinneret orifice mostly adopts a side-blowing method, the spinning cooling cannot be aligned and suddenly cooled, and slow cooling is needed, so that strict requirements on the humidity and temperature of the air for the spinning cooling are required; but the equipment for cooling the spinning at the present stage has the following problems: the existing cooling equipment is inconvenient to control spinning cooling air, the spinning disorder is easily caused by the cooling air, and meanwhile, the spinning is easily stuck with a large amount of dust due to the fact that the cooling air is not purified, and the spinning quality is affected.
Disclosure of Invention
The invention aims to provide a chemical fiber spinning process, aiming at solving the problems that the existing cooling equipment is inconvenient to control spinning cooling air, the cooling air is easy to cause spinning disorder, and meanwhile, a large amount of dust is easy to stick on spinning due to the fact that the cooling air is not purified, and the spinning quality is affected.
The invention is realized by the following steps:
a chemical fiber spinning process comprises the following specific steps:
s1: melting of raw materials
The slices enter the screw extruder, are subjected to force heating through a heating element arranged on a screw sleeve, and are subjected to friction and extrusion along a screw groove in the screw, so that the slices are heated and melted and are conveyed by the extruder to generate certain melt pressure, and the temperature of each zone of the screw is stably set from low to high.
S2: melt mixing
The slices are heated unevenly in the extruder, so that melt is uneven, which brings great influence on spinning operation and product quality, and therefore, the melt needs to be mixed. The factory mainly adopts the last-section pin of the extruder to mix, and the melt also generates mixing effect in the metering head and the spinning box body.
S3: filtration
After the melt comes out of the extruder, the melt needs to be filtered because the impurities and gel particles inside the melt seriously affect the spinning effect and block spinneret orifices.
S4: metering
The melt after primary filtration enters a spinning metering pump from a jacket type conveying pipe, and is metered by the metering pump while a certain pressure is applied to the melt, so that the melt is better extruded from a spinneret hole.
S5: spinning jet
The melt after preliminary filtering and metering by the metering pump enters the assembly under certain pressure, the melt in the assembly is further finely filtered and mixed, and finally the melt is extruded and formed from a spinneret orifice.
S6: cooling and forming
The melt is solidified and formed under the cooling of cooling equipment after being extruded from the jet hole, so that the requirement on the cooling equipment is higher in order to ensure the product quality and ensure that the melt is not cooled suddenly after being extruded from the jet hole.
S7: bundling oiling
And (3) passing the formed silk yarns through an oil tank filled with the polyester oil, so that the polyester oil is uniformly smeared on the surfaces of the silk yarns.
S8: winding roll
And after bundling and oiling, the tows are finally wound and formed on a winding head at a high speed.
The cooling equipment comprises a base, wherein a control box is arranged on one side of the upper surface of the base, a cooling cylinder is arranged right above the base, a blocking cover is arranged at the bottom end of the cooling cylinder, the bottom end of the blocking cover is connected with the base, a cooling coil is arranged in the cooling cylinder, a heater is arranged on the arc side surface of the cooling cylinder, the top end of the cooling coil is also connected with the heater, the top of the rear side of the base is connected with a hydraulic cylinder through a bolt, and the output end of the hydraulic cylinder is connected with the cooling cylinder through a bolt; the base is convenient for installing each part of the cooling device, thereby facilitating the use of the cooling device, the control box is convenient for controlling the whole cooling device, thereby facilitating the control and the use of the cooling device, the cooling cylinder is convenient for being sleeved outside the spinning head, thereby facilitating the cooling of the spun yarn after the spinning head sprays the spun yarn, the baffle cover is convenient for shielding the lower end of the cooling device when the cooling cylinder rises, thereby ensuring that the spun yarn can not be stuck with too much dust, the cooling coil pipe is convenient for leading cold water into the cooling cylinder, thereby facilitating the cooling of the cold water in the cooling coil pipe to the temperature in the cooling cylinder, thereby facilitating the rapid cooling of the spun yarn, the heater is convenient for heating the cold water according to the use requirement, thereby avoiding the problem that the cold water is too low in temperature to cool the spun yarn too rapidly, thereby causing the poor quality of the spun yarn, the hydraulic rod is, thereby conveniently go up and down to the cooling cylinder, and then conveniently can descend the cooling cylinder when needs are handled the spinning jet.
Furthermore, a thread passing hole is formed in the middle of the bottom surface of the base, a mounting groove is formed in the upper surface of the base along the edge of the thread passing hole, a guide rod is arranged at the edge of the rear end of the base, a sliding groove is formed in the lower half part of the guide rod, facing the cooling cylinder, and a mounting plate is arranged at the top end of the base, facing the cooling cylinder; cross the silk hole and be convenient for spinneret spun spinning behind cooling device from the inside discharge of cooling device, the mounting groove is convenient for install the fender cover, thereby make things convenient for fender cover cooperation cooling cylinder to use, the installation and the dismantlement of fender cover of being convenient for, the guide bar is convenient for lead to the cooling cylinder, thereby make things convenient for the use of cooling cylinder, the cooling cylinder of being convenient for reciprocates, the spout is convenient for cooperate the cooling cylinder, thereby make things convenient for cooling cylinder and guide bar to be connected, and then make things convenient for the cooling cylinder to reciprocate along the guide bar, the mounting panel is convenient for pneumatic cylinder and guide bar to be connected, thereby make things convenient for the installation and the dismantlement of.
Furthermore, pipe outlet holes are formed in the positions, close to the top and the bottom, of the circular arc side face of the cooling cylinder, an installation table is arranged between the two pipe outlet holes along the circular arc side face of the cooling cylinder, and a pressure head is arranged at the top end of the cooling cylinder; the both ends of the cooling coil pipe convenient to discharge from the cooling cylinder are extended out, so that the cooling coil pipe is convenient to use, the heater is convenient to install by the mounting table, the heater is convenient to connect with the cooling cylinder, the heater is convenient to use, the pressure head is convenient to press the top end of the cooling cylinder to be close to the spray head, the top end of the cooling cylinder is convenient to align with the spray head, and therefore the spinning is convenient to cool quickly.
Furthermore, a ferrule is arranged at the bottom end of the cooling cylinder, a limiting ring is arranged at the bottom end of the ferrule, an installation cavity is arranged inside the side wall of the cooling cylinder, dense air holes are uniformly formed in the inner wall of the cooling cylinder, the air holes are communicated with the installation cavity, and a sliding block is arranged at the position, close to the bottom end, of the arc side surface of the cooling cylinder; the lasso is convenient for cooperate and is kept off the cover connector to conveniently keep off the installation and the dismantlement of cover, the spacing ring is convenient for carry on spacingly to keeping off the cover, thereby conveniently keep off the cover and link together with the cooling cylinder, thereby conveniently keep off the installation and the dismantlement of cover, inside the air conditioning that the cooling coil of being convenient for of bleeder vent effluvium can get into the cooling cylinder, thereby conveniently carry out quick cooling shaping to the spinning, the slider is convenient for combine the spout to use.
Furthermore, the blocking cover comprises blocking cloth, a bottom ring, a sleeve ring and connecting springs, the blocking cloth is arranged between the bottom ring and the sleeve ring, the sleeve ring symmetrically breaks four openings, the connecting springs are arranged at the four openings, and the sleeve ring are connected together; the fender cover is convenient for shelter from the dust of cooling cylinder bottom to avoid the dust to glue on the spinning, the foundation ring is convenient for keep off the cover and the mounting groove links together, thereby makes things convenient for the stable use of fender cover, and the lantern ring is convenient for keep off the cover top cover and is circled at the lantern ring, thereby conveniently keeps off installation and dismantlement between cover and the cooling cylinder, the use of the cooling cylinder of being convenient for, the internal diameter of the lantern ring of being convenient for of coupling spring can increase and reduce, thereby conveniently keep off the cover that the cover top can be stable and circle at the lantern ring.
Further, a water inlet pipe is arranged at the top end of the cooling coil pipe, a connecting flange is arranged at the end part of the water inlet pipe, a water outlet pipe is arranged at the bottom end of the cooling coil pipe, and the end part of the water outlet pipe is rotatably connected with a connector; the inlet tube is convenient for let in cold water toward the inside of cooling coil, thereby the convenience cools off the spinning, flange is convenient for inlet tube and heater end connection together, thereby convenient water through the heater gets into inside the cooling coil, the outlet pipe is convenient for external water pipe, thereby make things convenient for the inside hydroenergy of cooling coil to flow out cooling coil rapidly enough, the continuous update of the inside rivers of cooling coil of being convenient for, the connector is convenient for the outlet pipe and external water piping connection together, thereby make things convenient for the use of outlet pipe.
Further, heater top and bottom all are equipped with the connecting pipe, and the connecting pipe tip all is equipped with flange, and the heater is inside even to be equipped with a plurality of heater strips. The arc side of the heater is symmetrically provided with bottom feet which are provided with connecting holes; the connecting pipe at heater both ends is convenient for charge the heater intake end and goes out the water end, thereby convenient and outside water piping connection, flange is convenient for heater and inlet tube to pass through bolted connection, the heater and outside water piping connection of also being convenient for simultaneously, the heater strip is convenient for heat water, the footing is convenient for the heater and is connected with the cooling cylinder, thereby make things convenient for the use of heater, the installation and the dismantlement of the heater of being convenient for, the connecting hole is convenient for the bolt to pass, thereby conveniently fix the heater on the circular arc side of cooling cylinder through the bolt.
Furthermore, connecting plates are arranged at the top end and the output end of the hydraulic cylinder, through holes are formed in four corners of each connecting plate, and a plurality of reinforcing plates are uniformly arranged on the connecting plates at the top end of the hydraulic cylinder and the arc side surfaces of the hydraulic cylinder; the connecting plate is convenient for pneumatic cylinder and mounting panel and slider to link together to can also drive the cooling cylinder and reciprocate when making things convenient for pneumatic cylinder and base to be connected, the through-hole bolt of being convenient for passes, thereby conveniently links together pneumatic cylinder and cooling cylinder through the bolt, also makes things convenient for the installation and the maintenance of pneumatic cylinder simultaneously, and the reinforcing plate can be sufficient stable between the pneumatic cylinder top of being convenient for and the connecting plate.
When in use, the water inlet pipe of the cooling coil is connected with the heater, the other end of the cooling coil is connected with the external water pipe, then the end of the heater which is not connected with the cooling coil is connected with the water delivery pipe, then the temperature for heating cold water is set according to the cooling requirement, then water can be introduced into the cooling coil, then the hydraulic cylinder is driven by the control box, the hydraulic cylinder drives the cooling cylinder to rise, the top end of the cooling cylinder is sleeved at the spray head, then the spinning machine can be started to spin the chemical fiber, the chemical fiber can be effectively cooled in the spinning process, when the spinning condition needs to be observed, the inner diameter of the lantern ring can be enlarged, the lantern ring can be taken down from the ferrule to observe, after the observation, the lantern ring can be sleeved on the ferrule again, when the spinning head needs to be treated, the operation can be carried out only by controlling the hydraulic cylinder to lower the cooling cylinder, convenient to use has avoided the problem that the traditional mode that uses the side-blown wind to can produce a great deal of drawback to the spinning cooling.
Compared with the prior art, the invention has the beneficial effects that: according to the cooling device for spinning processing, the cooling device is improved and optimized, so that the cooling device can cool the spinning without blowing by wind, a series of defects caused by the fact that side wind blows easily cause the spinning are avoided, the cooling device also avoids the phenomenon that a large amount of dust is adhered to the surface of the spinning to influence the spinning quality, and the spinning processing quality is effectively improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the cooling apparatus of the present invention from a first perspective;
FIG. 2 is a schematic view of the cooling apparatus of the present invention from a second perspective;
FIG. 3 is a schematic view of the base and the console box of the present invention;
FIG. 4 is a schematic view of the cooling cartridge of the present invention in a first perspective;
FIG. 5 is a schematic view of the cooling cartridge of the present invention from a second perspective;
FIG. 6 is a schematic view of the structure of the shield of the present invention;
FIG. 7 is a schematic view of the cooling coil of the present invention;
FIG. 8 is a schematic view of the heater configuration of the present invention;
FIG. 9 is a schematic illustration of the construction of the hydraulic cylinder of the present invention;
in the figure: 1-a base; 11-a wire passing hole; 12-mounting grooves; 13-a guide bar; 131-a chute; 132-a mounting plate; 2-a control box; 3-a cooling cylinder; 31-a mounting table; 32-pipe outlet holes; 33-pressure head; 34-air holes; 35-a slide block; 36-a ferrule; 37-a stop collar; 38-mounting cavity; 4-a shield cover; 41-blocking cloth; 42-a bottom ring; 43-a collar; 44-connecting a spring; 5-cooling the coil pipe; 51-a water inlet pipe; 52-a connecting flange; 53-water outlet pipe; 54-a connector; 6-a heater; 61-connecting tube; 62-heating wires; 63-footing; 631-connecting holes; 7-a hydraulic cylinder; 71-a connecting plate; 72-reinforcing plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Example (b): referring to fig. 1 and 2: a chemical fiber spinning process comprises the following specific steps:
s1: melting of raw materials
The slices enter the screw extruder, are subjected to force heating through a heating element arranged on a screw sleeve, and are subjected to friction and extrusion along a screw groove in the screw, so that the slices are heated and melted and are conveyed by the extruder to generate certain melt pressure, and the temperature of each zone of the screw is stably set from low to high.
S2: melt mixing
The slices are heated unevenly in the extruder, so that melt is uneven, which brings great influence on spinning operation and product quality, and therefore, the melt needs to be mixed. The factory mainly adopts the last-section pin of the extruder to mix, and the melt also generates mixing effect in the metering head and the spinning box body.
S3: filtration
After the melt comes out of the extruder, the melt needs to be filtered because the impurities and gel particles inside the melt seriously affect the spinning effect and block spinneret orifices.
S4: metering
The melt after primary filtration enters a spinning metering pump from a jacket type conveying pipe, and is metered by the metering pump while a certain pressure is applied to the melt, so that the melt is better extruded from a spinneret hole.
S5: spinning jet
The melt after preliminary filtering and metering by the metering pump enters the assembly under certain pressure, the melt in the assembly is further finely filtered and mixed, and finally the melt is extruded and formed from a spinneret orifice.
S6: cooling and forming
The melt is solidified and formed under the cooling of cooling equipment after being extruded from the jet hole, so that the requirement on the cooling equipment is higher in order to ensure the product quality and ensure that the melt is not cooled suddenly after being extruded from the jet hole.
S7: bundling oiling
And (3) passing the formed silk yarns through an oil tank filled with the polyester oil, so that the polyester oil is uniformly smeared on the surfaces of the silk yarns.
S8: winding roll
And after bundling and oiling, the tows are finally wound and formed on a winding head at a high speed.
The cooling equipment comprises a base 1, a control box 2 is arranged on one side of the upper surface of the base 1, a cooling cylinder 3 is arranged right above the base 1, a blocking cover 4 is arranged at the bottom end of the cooling cylinder 3, the bottom end of the blocking cover 4 is connected with the base 1, a cooling coil 5 is arranged inside the cooling cylinder 3, a heater 6 is arranged on the arc side surface of the cooling cylinder 3, the top end of the cooling coil 5 is also connected with the heater 6, the top of the rear side of the base 1 is connected with a hydraulic cylinder 7 through a bolt, and the output end of the hydraulic cylinder 7 is connected with the cooling cylinder 3 through a bolt; the base 1 is convenient for installing each part of the cooling device, thereby facilitating the use of the cooling device, the control box 2 is convenient for controlling the whole cooling device, thereby facilitating the control and the use of the cooling device, the cooling cylinder 3 is convenient for being sleeved outside a spinning nozzle, thereby facilitating the cooling of the spinning after the spinning nozzle sprays the spinning, the shield 4 is convenient for shielding the lower end of the cooling device when the cooling cylinder 3 rises, thereby ensuring that the spinning can not be stuck with too much dust, the cooling coil 5 is convenient for leading cold water into the cooling cylinder 3, thereby facilitating the cooling of the temperature inside the cooling coil 5 to the temperature inside the cooling cylinder 3, thereby facilitating the rapid cooling of the spinning, the heater 6 is convenient for heating the cold water according to the use requirement, thereby avoiding the problem that the cold water temperature is too low to rapidly cool the spinning, which causes the poor quality of the spinning, the hydraulic rod is convenient for matching the base 1 and the cooling cylinder 3, thereby being convenient for lifting the cooling cylinder 3 and further being convenient for lowering the cooling cylinder 3 when the spinning head needs to be processed; the structure enables the cooling device to cool the spinning without blowing by wind, thereby avoiding a series of defects caused by side wind blowing to the spinning easily, and the cooling device also avoids a large amount of dust from adhering to the spinning surface to influence the spinning quality, and effectively improves the spinning processing quality.
Referring to FIG. 3: a thread passing hole 11 is formed in the middle of the bottom surface of the base 1, a mounting groove 12 is formed in the upper surface of the base 1 along the edge of the thread passing hole 11, a guide rod 13 is arranged at the edge of the rear end of the base 1, a sliding groove 131 is formed in the lower half portion of the guide rod 13 facing one surface of the cooling cylinder 3, and a mounting plate 132 is arranged at the top end of the base 1 facing one surface of the cooling cylinder 3; cross silk hole 11 and be convenient for spinneret spun spinning behind cooling device from the inside discharge of cooling device, mounting groove 12 is convenient for install and is kept off cover 4, thereby make things convenient for keep off cover 4 cooperation cooling cylinder 3 and use, be convenient for keep off cover 4's installation and dismantlement, guide bar 13 is convenient for lead to cooling cylinder 3, thereby make things convenient for cooling cylinder 3's use, be convenient for cooling cylinder 3 reciprocates, spout 131 is convenient for cooperate cooling cylinder 3, thereby make things convenient for cooling cylinder 3 and guide bar 13 to connect, and then make things convenient for cooling cylinder 3 to reciprocate along guide bar 13, mounting panel 132 is convenient for pneumatic cylinder 7 and guide bar 13 to be connected, thereby make things convenient for the installation and the dismantlement of pneumatic cylinder 7, the use of pneumatic cylinder 7 of being convenient.
Referring to fig. 4 and 5: the positions of the arc side surface of the cooling cylinder 3, which are close to the top and the bottom, are provided with the pipe outlet holes 32, the installation platform 31 is arranged between the two pipe outlet holes 32 on the arc side surface of the cooling cylinder 3, and the top end of the cooling cylinder 3 is provided with a pressure head 33; the pipe outlet hole 32 facilitates the two ends of the cooling coil 5 to extend out of the cooling cylinder 3, so that the cooling coil 5 is convenient to use, the mounting table 31 facilitates the installation of the heater 6, so that the heater 6 and the cooling cylinder 3 are convenient to connect together, the heater 6 is convenient to use, the pressure head 33 facilitates the top end of the cooling cylinder 3 to be pressed near the spray head, so that the top end of the cooling cylinder 3 is convenient to align with the spray head, and the spinning is convenient to rapidly cool; a ferrule 36 is arranged at the bottom end of the cooling cylinder 3, a limiting ring 37 is arranged at the bottom end of the ferrule 36, an installation cavity 38 is arranged inside the side wall of the cooling cylinder 3, dense air holes 34 are uniformly formed in the inner wall of the cooling cylinder 3, the air holes 34 are communicated with the installation cavity 38, and a sliding block 35 is arranged at the position, close to the bottom end, of the arc side surface of the cooling cylinder 3; ferrule 36 is convenient for the cooperation and is kept off cover 4 connector 54 to conveniently keep off the installation and the dismantlement of cover 4, spacing ring 37 is convenient for carry on spacingly to keeping off cover 4, thereby conveniently keep off cover 4 and cooling cylinder 3 and link together, thereby conveniently keep off the installation and the dismantlement of cover 4, inside air vent 34 is convenient for the air conditioning that cooling coil 5 effuses can get into cooling cylinder 3, thereby conveniently carry out quick cooling shaping to the spinning, slider 35 is convenient for combine spout 131 to use.
Referring to FIG. 6: the shield cover 4 comprises a shield cloth 41, a bottom ring 42, a lantern ring 43 and a connecting spring 44, the shield cloth 41 is arranged between the bottom ring 42 and the lantern ring 43, the lantern ring 43 symmetrically breaks four openings, the connecting springs 44 are arranged at the four openings, and the lantern ring 43 is connected with the lantern ring 36; keep off cover 4 and be convenient for shelter from the dust of cooling cylinder 3 bottom, thereby avoid the dust to glue on the spinning, the foundation ring 42 is convenient for keep off cover 4 and mounting groove 12 and links together, thereby conveniently keep off the stable use of cover 4, the lantern ring 43 is convenient for keep off cover 4 top cover on lasso 36, thereby conveniently keep off installation and dismantlement between cover 4 and the cooling cylinder 3, be convenient for the use of cooling cylinder 3, the internal diameter of the lantern ring 43 of being convenient for of connecting spring 44 can increase and reduce, thereby conveniently keep off the cover that the cover 4 top can be stable and overlap on lasso 36.
Referring to FIG. 7: the top end of the cooling coil pipe 5 is provided with a water inlet pipe 51, the end part of the water inlet pipe 51 is provided with a connecting flange 52, the bottom end of the cooling coil pipe 5 is provided with a water outlet pipe 53, and the end part of the water outlet pipe 53 is rotatably connected with a connector 54; inlet tube 51 is convenient for let in cold water toward cooling coil 5 is inside, thereby the convenience cools off the spinning, flange 52 is convenient for inlet tube 51 and heater 6 end connection together, thereby convenient water through heater 6 gets into inside cooling coil 5, outlet pipe 53 is convenient for external water pipe, thereby make things convenient for the hydroenergy of cooling coil 5 inside to flow out cooling coil 5 rapidly enough, be convenient for the continuous update of the inside rivers of cooling coil 5, connector 54 is convenient for outlet pipe 53 and external water piping connection together, thereby make things convenient for the use of outlet pipe 53.
Referring to FIG. 8: the top end and the bottom end of the heater 6 are respectively provided with a connecting pipe 61, the end part of each connecting pipe 61 is provided with a connecting flange 52, a plurality of heating wires 62 are uniformly arranged in the heater 6, the arc side surfaces of the heater 6 are symmetrically provided with bottom feet 63, and the bottom feet 63 are provided with connecting holes 631; connecting pipe 61 at heater 6 both ends is convenient for charge water heater 6's end of intaking and outlet end, thereby convenient and outside water piping connection, flange 52 is convenient for heater 6 and inlet tube 51 to pass through bolted connection, also be convenient for heater 6 and outside water piping connection simultaneously, heater strip 62 is convenient for heat water, footing 63 is convenient for heater 6 and cooling cylinder 3 to be connected, thereby make things convenient for the use of heater 6, be convenient for the installation and the dismantlement of heater 6, connecting hole 631 is convenient for the bolt to pass, thereby the convenience is fixed heater 6 on the circular arc side of cooling cylinder 3 through the bolt.
Referring to FIG. 9: the top end and the output end of the hydraulic cylinder 7 are both provided with a connecting plate 71, four corners of the connecting plate 71 are respectively provided with a through hole, and the connecting plate 71 at the top end of the hydraulic cylinder 7 and the arc side surface of the hydraulic cylinder 7 are uniformly provided with a plurality of reinforcing plates 72; connecting plate 71 is convenient for pneumatic cylinder 7 and mounting panel 132 and slider 35 to link together to can also drive cooling cylinder 3 and reciprocate when making things convenient for pneumatic cylinder 7 and base 1 to be connected, the through-hole bolt of being convenient for passes, thereby conveniently links together pneumatic cylinder 7 and cooling cylinder 3 through the bolt, also makes things convenient for the installation and the maintenance of pneumatic cylinder 7 simultaneously, reinforcing plate 72 is convenient for can be sufficient stable between pneumatic cylinder 7 top and the connecting plate 71.
The using method comprises the following steps: when in use, the water inlet pipe 51 of the cooling coil pipe 5 is connected with the heater 6, the other end of the cooling coil pipe is connected with an external water pipe, the end of the heater 6 which is not connected with the cooling coil pipe 5 is connected with a water supply pipe, the temperature for heating cold water is set according to the cooling requirement, then water can be supplied to the interior of the cooling coil pipe 5, then the hydraulic cylinder 7 is driven by the control box 2, the hydraulic cylinder 7 drives the cooling cylinder 3 to rise, the top end of the cooling cylinder 3 is sleeved at a nozzle, then a spinning machine can be started to spin the chemical fiber, the chemical fiber can be effectively cooled in the spinning process, when the spinning condition needs to be observed, the inner diameter of the lantern ring 43 can be enlarged, the lantern ring 43 can be taken down from the ferrule 36 for observation, after the observation, the lantern ring 43 is sleeved on the ferrule 36 again, when the spinning head needs to be treated, the hydraulic cylinder 7 is controlled to lower the cooling cylinder 3 for operation, convenient to use has avoided the problem that the traditional mode that uses the side-blown wind to can produce a great deal of drawback to the spinning cooling.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A chemical fiber spinning process is characterized in that: the spinning process comprises the following specific steps:
s1: melting of raw materials
The slices enter a screw extruder, are subjected to force heating through a heating element arranged on a screw sleeve, and are subjected to friction and extrusion in the screw along a screw groove, so that the slices are heated and melted, are conveyed by the extruder to generate certain melt pressure, and the temperature of each region of the screw is stably set from low to high;
s2: melt mixing
The slices are heated unevenly in the extruder, so that melt is uneven, which brings great influence on spinning operation and product quality, and therefore, the melt needs to be mixed. The factory mainly adopts the last section of the extruder to be added with pins for mixing, and the melt also generates a mixing effect in the metering head and the spinning box body. (ii) a
S3: filtration
After the melt comes out of the extruder, the melt needs to be filtered because impurities and gel particles in the melt seriously affect the spinning effect and block spinneret orifices;
s4: metering
The melt after primary filtration enters a spinning metering pump from a jacket type conveying pipe, and the melt is metered by the metering pump and simultaneously has certain pressure, so that the melt is better extruded from a spinneret orifice;
s5: spinning jet
The melt after preliminary filtration and metering by a metering pump enters the assembly under certain pressure, the melt in the assembly is further finely filtered and fully mixed, and finally the melt is extruded and formed from a spinneret orifice;
s6: cooling and forming
The melt is solidified and formed under the cooling of cooling equipment after being extruded from the jet hole, so that the requirement on the cooling equipment is higher for ensuring the product quality and ensuring that the melt is not cooled suddenly after being extruded from the jet hole;
s7: bundling oiling
Enabling the formed silk threads to pass through an oil tank filled with polyester oil, and uniformly smearing the polyester oil on the surfaces of the silk threads;
s8: winding roll
After bundling and oiling, the tows are finally wound and formed on a winding head at a high speed;
the cooling device comprises a base (1), a control box (2) is arranged on one side of the upper surface of the base (1), a cooling cylinder (3) is arranged right above the base (1), a blocking cover (4) is arranged at the bottom end of the cooling cylinder (3), the bottom end of the blocking cover (4) is connected with the base (1), a cooling coil (5) is arranged inside the cooling cylinder (3), a heater (6) is arranged on the arc side surface of the cooling cylinder (3), the heater (6) is also connected with the top end of the cooling coil (5), a hydraulic cylinder (7) is connected to the top of the rear side of the base (1) through a bolt, and the output end of the hydraulic cylinder (7) is connected with the cooling cylinder (3) through a bolt.
2. A chemical fiber spinning process according to claim 1, wherein the base (1) is provided with a filament passing hole (11) in the middle of the bottom surface, the upper surface of the base (1) is provided with a mounting groove (12) along the edge of the filament passing hole (11), the rear end edge of the base (1) is provided with a guide rod (13), the lower half part of the guide rod (13) is provided with a sliding groove (131) on the side facing the cooling cylinder (3), and the top end of the base (1) is provided with a mounting plate (132) on the side facing the cooling cylinder (3).
3. A chemical fiber spinning process according to claim 2, wherein the circular arc side surface of the cooling cylinder (3) is provided with an outlet hole (32) at the position close to the top and the bottom, a mounting table (31) is arranged between the two outlet holes (32) along the circular arc side surface of the cooling cylinder (3), and the top end of the cooling cylinder (3) is provided with a pressure head (33).
4. A chemical fiber spinning process according to claim 3, wherein a ferrule (36) is arranged at the bottom end of the cooling cylinder (3), a limiting ring (37) is arranged at the bottom end of the ferrule (36), an installation cavity (38) is arranged inside the side wall of the cooling cylinder (3), dense air holes (34) are uniformly formed in the inner wall of the cooling cylinder (3), the air holes (34) are communicated with the installation cavity (38), and a sliding block (35) is arranged at the position, close to the bottom end, of the arc-shaped side surface of the cooling cylinder (3).
5. A chemical fiber spinning process according to claim 4, characterized in that the shield (4) comprises a shield cloth (41), a bottom ring (42), a collar (43) and a connecting spring (44), the shield cloth (41) is arranged between the bottom ring (42) and the collar (43), the collar (43) symmetrically breaks four openings, the connecting spring (44) is arranged at each of the four openings, and the collar (43) and the collar (36) are connected together.
6. A chemical fiber spinning process according to claim 5, wherein a water inlet pipe (51) is arranged at the top end of the cooling coil (5), a connecting flange (52) is arranged at the end part of the water inlet pipe (51), a water outlet pipe (53) is arranged at the bottom end of the cooling coil (5), and a connector (54) is rotatably connected to the end part of the water outlet pipe (53).
7. A chemical fiber spinning process according to claim 6, characterized in that the top end and the bottom end of the heater (6) are provided with connecting pipes (61), the end parts of the connecting pipes (61) are provided with connecting flanges (52), a plurality of heating wires (62) are uniformly arranged inside the heater (6), the arc side of the heater (6) is symmetrically provided with feet (63), and the feet (63) are provided with connecting holes (631).
8. A chemical fiber spinning process according to claim 7, wherein the top end and the output end of the hydraulic cylinder (7) are provided with connecting plates (71), four corners of each connecting plate (71) are provided with through holes, and the connecting plates (71) at the top end of the hydraulic cylinder (7) and the arc-shaped sides of the hydraulic cylinder (7) are uniformly provided with a plurality of reinforcing plates (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911394397.6A CN110983461A (en) | 2019-12-30 | 2019-12-30 | Chemical fiber yarn spinning process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911394397.6A CN110983461A (en) | 2019-12-30 | 2019-12-30 | Chemical fiber yarn spinning process |
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| CN110983461A true CN110983461A (en) | 2020-04-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112090289A (en) * | 2020-09-15 | 2020-12-18 | 苏州足迹自动化设备有限责任公司 | Device and process for preparing hollow fiber membrane by spinning hollow fiber yarns |
| CN112522794A (en) * | 2020-12-14 | 2021-03-19 | 广西德福莱医疗器械有限公司 | Melt and spout cloth production line screw rod extrusion device |
| CN116427039A (en) * | 2023-03-15 | 2023-07-14 | 浙江恒优化纤有限公司 | Multi-head spinning polyester mixed filament production process and equipment |
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| CN116427039B (en) * | 2023-03-15 | 2024-05-28 | 浙江恒优化纤有限公司 | Multi-head spinning polyester mixed filament production process and equipment |
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Application publication date: 20200410 |