CN113969430A - Preparation device and method of differentiated PET silk fabric - Google Patents
Preparation device and method of differentiated PET silk fabric Download PDFInfo
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- CN113969430A CN113969430A CN202111238944.9A CN202111238944A CN113969430A CN 113969430 A CN113969430 A CN 113969430A CN 202111238944 A CN202111238944 A CN 202111238944A CN 113969430 A CN113969430 A CN 113969430A
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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
- D01D5/092—Cooling filaments, threads or the like, leaving the spinnerettes in shafts or chimneys
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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
- D01D13/00—Complete machines for producing artificial threads
- D01D13/02—Elements of machines in combination
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
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- Textile Engineering (AREA)
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention discloses a device and a method for preparing a differentiated PET silk fabric, and aims to provide a device and a method for preparing a differentiated PET silk fabric, which can uniformly cool fibers and improve the preparation efficiency. It includes the cooling cylinder, the top of cooling cylinder is equipped with the spinneret, be equipped with out the silk dish between spinneret and the cooling cylinder, it is equipped with out the silk hole to go out silk dish surface, the upper shed and the inside intercommunication of spinneret of going out the silk hole, the lower shed and the cooling cylinder intracavity intercommunication of going out the silk hole, the surface of going out the silk dish is equipped with the convection current section of thick bamboo, the convection current section of thick bamboo surface is equipped with a plurality of exhaust vents, the cooling cylinder is stretched out to the lower extreme of convection current section of thick bamboo, the switch rotary drum has been cup jointed to the surface of cooling cylinder, be equipped with a plurality of fresh air inlets one on the cooling cylinder, be equipped with a plurality of fresh air inlets two on the switch rotary drum, the switch rotary drum is equipped with the shell outward, establish to storing up the wind district between switch rotary drum and the shell, switch rotary drum surface is connected with guide plate and rotating-structure, the shell surface is equipped with a plurality of air intakes. The invention has the beneficial effects that: the fiber is uniformly cooled, and the preparation efficiency is improved.
Description
Technical Field
The invention relates to the technical field of spinning, in particular to a device and a method for preparing a differentiated PET silk fabric.
Background
PET is an abbreviation for polyester fiber, and is a fiber-forming polymer prepared by esterification or ester exchange and polycondensation reactions of terephthalic acid or dimethyl terephthalate and ethylene glycol as raw materials. The differential fiber is formed by changing the morphological structure and the organizational structure of the conventional fiber through chemical or physical modification, and improving or changing the physical and chemical properties of the fiber. The preparation process of the differentiated PET silk fabric comprises a cooling process, wherein the filamentous chemical substances are cooled and shaped by a cold air blowing method, and the shaped filamentous chemical substances become chemical fiber yarns after the cold air blowing. The traditional method for blowing cold air is to use side blowing, but the direct result of the uneven wind force of the cold air is that the shaping process of the fiber yarn is inconsistent, thus affecting the preparation efficiency and quality of the product.
Disclosure of Invention
The invention provides a differentiated PET silk fabric preparation device and method capable of uniformly cooling fibers and improving preparation efficiency and quality, aiming at overcoming the defects that in the prior art, the fiber cooling effect is not uniform and the preparation efficiency and quality are affected in silk fabric preparation.
In order to achieve the purpose, the invention adopts the following technical scheme:
a preparation device of differentiated PET silk fabrics comprises a cooling cylinder, a spinneret is arranged above the cooling cylinder, a silk outlet disc is arranged between the spinneret and the cooling cylinder, silk outlet holes are formed in the surface of the silk outlet disc, the upper opening of the silk outlet holes is communicated with the inside of the spinneret, the lower opening of the silk outlet holes is communicated with the cavity of the cooling cylinder, a convection cylinder is arranged on the surface of the silk outlet disc and is of a hollow structure, a plurality of air outlet holes are formed in the surface of the convection cylinder, the upper end of the convection cylinder is detachably connected with the center of the lower surface of the silk outlet disc, the lower end of the convection cylinder extends out of the cooling cylinder, a switch rotary cylinder is sleeved on the outer surface of the cooling cylinder, a plurality of air inlet holes I are formed in the cooling cylinder, a plurality of air inlet holes II are formed in the switch rotary cylinder and are matched with the air inlet holes II, a shell is arranged outside the switch rotary cylinder, an air storage area is arranged between the switch rotary cylinder and the shell, and a guide plate and a rotating structure are connected on the outer surface of the switch rotary cylinder, the surface of the shell is provided with a plurality of air inlets.
The spinneret extrudes out of the spinning disc through pressure after the raw materials are melted and filtered, and the fiber filaments enter the cooling cylinder for cooling. The hollow convection barrel is connected with the center of the surface of the silk outlet disc, the switch rotary drum is sleeved with the cooling barrel, the inner surface of the switch rotary drum is attached to the outer surface of the cold cutting barrel, the switch rotary drum is sleeved with the shell and is provided with a gap of the air storage area, the switch rotary drum controls the staggered and opposite positions of the first air inlet and the second air inlet through rotation on the outer side of the cooling barrel to form two states of communication and sealing of the air storage area and the cooling barrel, cold air is sent into the air storage area through an air supply outlet on the shell, the air storage area is quickly filled with cold air before use, the cold air is matched with a guide plate to uniformly distribute air flow when in use, a plurality of air inlets are matched to form quick and uniform circulation, the cold air passes through the gap between the fibers when the first air inlet and the second air inlet are opposite, heat is taken away, and a convection channel is formed with the hollow space of the convection barrel, so that the air with the heat is directly discharged from the air outlet, the cooling cylinder can not be retained to influence the temperature in the cooling cylinder or reversely beat back on the fiber yarns to influence the shaping of the fiber yarns, so that the aim of quickly and uniformly cooling is fulfilled, and the preparation efficiency and quality are improved.
Preferably, the air inlet is arranged in the center of the vertical shaft of the shell and is connected with a cold air input channel, one end of the cold air input channel is communicated with the air storage area, the other end of the cold air input channel is connected with an air cooler, and the outer surface of the cold air input channel is sleeved with a heat insulation sleeve. The air inlet is arranged at the middle section of the shell, so that air is uniformly distributed when air is introduced to the upper end and the lower end of the air storage area, the air cooler enters the air storage area through the cold air input channel, and the temperature of the cold air input channel is kept by the heat insulation sleeve, so that the temperature influence of the external environment on the cold air is reduced, and the quality of cooling the cellosilk is prevented from being influenced.
Preferably, one end of the guide plate is connected with the outer surface of the switch rotary drum, the other end of the guide plate faces the air inlet, the guide plate is vertically and symmetrically arranged by taking a transverse central axis of the air inlet as a center, a plurality of through holes are formed in the surface of the guide plate, and the arrangement direction of the through holes is parallel to the air inlet. The annular of guide plate is arranged with the air current that adapts to annular entering, and the guide plate is the slant and arranges in storing up wind district: one end of the guide plate is connected with the switch rotary drum, and the other end of the guide plate faces the air inlet, so that part of cold air entering from the air inlet is distributed above and below the switch rotary drum. The distance is reserved between the upper and lower two guide plates, the cross-sectional shapes of the two guide plates are splayed, the openings of the splayed guide plates face the switch rotary drum, and the splayed guide plates penetrate through the through holes to vertically impact the switch rotary drum, so that cold air can be rapidly and uniformly distributed in the upper, middle and lower spaces of the air storage area after entering the air storage area, and then enters the cooling cylinder through the air inlet hole II and the air inlet hole I, so that the uniform cooling of the fiber filaments is achieved, and the preparation quality of the fiber filaments is improved.
Preferably, the cooling cylinder, the switch drum and the shell are all in a cylindrical structure, and the upper end surface and the lower end surface of the switch drum are attached to the upper bottom and the lower bottom of the inner wall of the shell. The structure of cooling cylinder, switch rotary drum and shell is the drum structure, makes the space distribution in the device even to cold wind circulates in the toroidal surface all the time in order to keep original velocity of flow as far as possible, and the guarantee evenly blows and fixes the blowing dynamics to the cellosilk.
Preferably, an opening is formed in the lower portion of the shell, a bottom plate is arranged at the opening, the upper surface of the bottom plate is attached to the lower surface of the cooling cylinder, the bottom plate is detachably connected with the shell, the convection cylinder penetrates through the bottom plate, and a winding through hole is formed in the bottom plate. The winding through hole corresponds to the filament outlet hole, the fiber filament passes through the convection barrel, the convection barrel penetrates through the opening of the bottom plate and is communicated with the outside to facilitate the convection of cold air, the upper surface of the bottom plate is attached to the lower surface of the cooling barrel, the bottom plate is detachably connected with the shell, the fiber filament can be conveniently and directly detached from the winding through hole after the bottom plate is detached, and the preparation efficiency is improved.
Preferably, the side of the bottom plate is provided with a groove, the opening surface is provided with a sliding groove, a spring is connected in the sliding groove, the other end of the spring is connected with a limiting block, the other side of the limiting block is an arc-shaped surface, the limiting block is embedded in the groove, and the lower surface of the bottom plate is connected with a pull rod. The bottom plate can be quickly embedded with the shell through embedding with the opening, and the bottom plate can be quickly separated from the shell during pulling of the pull rod, so that the effect of improving the preparation efficiency is achieved.
Preferably, the rotating structure comprises a rack and an incomplete gear, a plurality of tooth grooves are formed in one side of the incomplete gear, a tooth-free surface of the incomplete gear is connected with the outer surface of the switch rotary drum, the rack is meshed with teeth of the incomplete gear, one end of the rack is arranged in the air storage area, and the other end of the rack penetrates through the shell. The rotation of revolution mechanic through control switch rotary drum, the one end through the rack stretches out the meshing of the incomplete gear of shell, the other end and switch rotary drum upper end, and the plug rack is rotatory, simple structure, simple operation in order to make a round trip of control switch rotary drum.
Preferably, the rack is provided with a switch identifier, the switch identifier comprises a first convex strip and a second convex strip, the side surfaces of the first convex strip and the second convex strip are connected with the surface of the rack, and the first convex strip and the second convex strip are arranged on the partial surface of the rack outside the shell. Because the first air inlet hole and the second air inlet hole are both in the shell, the direct observation cannot be carried out in the operation, and then the first sand grip and the second sand grip are used as switch marks through arranging the first sand grip and the second sand grip on the rack outside the shell, so that the switch states in the device are visual, the operation is convenient, the use convenience is improved, and the effect of improving the preparation efficiency is achieved.
Preferably, the shell is provided with a guide plate, the guide plate is connected with the lower bottom of the inner wall of the shell, and the side without teeth of the rack is attached to the side surface of the guide plate. The rack is arranged between the guide plate and the incomplete gear, so that the rack is not easy to separate from the incomplete gear when moving back and forth, and the effect of accurate and smooth operation is achieved.
The invention also provides a preparation method of the differential PET silk fabric, which comprises the following steps:
the method comprises the following steps: melting the PET raw material subjected to the differentiation treatment, extruding the PET raw material by a screw rod, filtering, and feeding a filtered solution into a spinneret; step two: the method comprises the steps that an air cooler is debugged in advance, the humidity of cold air treated by the air cooler is 60-75%, the temperature of the cold air is 20-25 degrees, the cold air passes through a cold air input channel, the cold air enters an air storage area from an air inlet, the cold air of a plurality of air inlets enters the air storage area and then is blown to a guide plate to be distributed to enter an upper area, a middle area and a lower area in the air storage area, and the cold air rapidly enters and fills the whole air storage area to form an annular air blowing mode;
step three: the spinneret sprays out the melt trickle from the filament outlet and passes through the cooling cylinder and the rotary switch drum: moving a rack at one end of the shell to enable the rack to rotate an incomplete gear on the switch rotary drum until the switch mark shows that the air inlet hole I is opposite to the air inlet hole II, and further communicating the air storage area with the cooling drum;
step four: the air speed of the air cooler is adjusted to be 0.3 m/min-0.5 m/min, heat on the melt trickle is taken away by cold air and enters the convection cylinder, and the air with heat is discharged from the lower part of the convection cylinder;
step five: and (3) drawing the cooled fiber bundle by a winding machine, oiling, stretching, shaping, and winding the packaged and formed differentiated PET silk fabric.
The manufacturing of the differentiated PET from the raw material to the fiber filament is completed in the first step to the fifth step, the raw material after melting and filtering is made into a filament shape under the pressure of a filament sprayer, the filament shape passes through a cooling cylinder, the filament shape is cooled and solidified under the action of cold air so as to gradually improve the viscosity, and the air speed, the temperature and the humidity of the cold air blown out by a cooling machine need to be kept uniform and constant so as to ensure the temperature distribution, the speed distribution and the position of a solidification point of the melt trickle in the spinning process to be constant, wherein the humidity is 60-75%, the temperature is 20-25 ℃, and the air speed is adjusted to 0.3-0.5 m/min so as to adapt to the appropriate conditions of the preparation and cooling of the polyester fiber composite and achieve solidification. Wherein the fibre silk of spinning jet spun passes through the cooling drum cooling under the traction of winder in the cooling process, guide plate evenly distributed cold wind air current, make the air current store up the quick even distribution in wind district, the cooling drum is the quick even air current that passes through in the cooling drum through rotating-structure, the annular air current takes away the heat and gets into the convection current section of thick bamboo in and discharge, the cooling preparation quality of fibre silk has been guaranteed, draw the fibre after the cooling to concentrate oil and stretch the back design by the winder, batch the fashioned differentiation PET silk fabric of packing.
The invention has the beneficial effects that: simple structure, simple operation reach the quick even refrigerated purpose to the cellosilk, have improved the quality of cellosilk fabric, reach the effect of operating accurate smoothness, have improved preparation efficiency.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a cross-sectional view B-B of FIG. 2;
FIG. 5 is a schematic structural view of a filament discharge tray;
FIG. 6 is a schematic view of the cooling cartridge in connection with the baffle;
fig. 7 is a schematic structural view of the cooling cylinder connected to the rotating structure.
In the figure: 1. the spinning machine comprises a cooling cylinder, 2 a spinning sprayer, 3 a spinning disk, 4 a spinning outlet, 5 a convection cylinder, 6 a switch rotary drum, 7 an air inlet I, 8 an air inlet II, 9 a shell, 10 an air storage area, 11 a guide plate, 12 an air inlet, 13 a cold air input channel, 14 an air cooler, 15 a heat preservation sleeve, 16 an opening, 17 a bottom plate, 18 a winding channel, 19 a groove, 20 a sliding groove, 21 a spring, 22 a limiting block, 23 a pull rod, 24 a rack, 25 an incomplete gear, 26 a convex strip I, 27 a convex strip II, 28 a guide plate, 29 an air outlet, 30 a through hole and 31 a cellosilk.
Detailed Description
Example 1:
as shown in fig. 1, 2 and 5, a differential PET fabric preparation device comprises a cooling cylinder 1, a spinneret 2 is arranged above the cooling cylinder 1, a filament outlet disc 3 is arranged between the spinneret 2 and the cooling cylinder 1, a filament outlet hole 4 is arranged on the surface of the filament outlet disc 3, the upper opening of the filament outlet hole 4 is communicated with the inside of the spinneret 2, the lower opening of the filament outlet hole 4 is communicated with the cavity of the cooling cylinder 2, a convection cylinder 5 is arranged on the surface of the filament outlet disc 3, the convection cylinder 5 is of a hollow structure, a plurality of air outlet holes 29 are arranged on the surface of the convection cylinder 5, the upper end of the convection cylinder 5 is detachably connected with the center of the lower surface of the filament outlet disc 3, the lower end of the convection cylinder 5 extends out of the cooling cylinder 1, a switch rotary cylinder 6 is sleeved on the outer surface of the cooling cylinder 1, a plurality of air inlet holes one 7 are arranged on the cooling cylinder 1, a plurality of air inlet holes two 8 are arranged on the switch rotary cylinder 6, the air inlet holes one 7 are matched with the air inlet holes two 8, a shell 9 is arranged outside the switch rotary cylinder 6, an air storage area 10 is arranged between the switch rotary drum 6 and the shell 9, the outer surface of the switch rotary drum 6 is connected with a guide plate 11 and a rotating structure, and the surface of the shell 9 is provided with a plurality of air inlets 12. The air inlet 12 is arranged at the center of the vertical shaft of the shell 9, the air inlet 12 is connected with a cold air input channel 13, one end of the cold air input channel 13 is communicated with the air storage area 10, the other end of the cold air input channel 13 is connected with an air cooler 14, and the outer surface of the cold air input channel 13 is sleeved with a heat insulation sleeve 15.
As shown in fig. 2 and 6, one end of the flow guide plate 11 is connected to the outer surface of the switch drum 6, the other end of the flow guide plate 11 faces the air inlet 12, the flow guide plate 6 is vertically and symmetrically arranged with the horizontal central axis of the air inlet 12 as the center, the surface of the flow guide plate 11 is provided with a plurality of through holes 30, and the arrangement direction of the through holes 30 is parallel to the air inlet 12.
As shown in fig. 2 and 3, the cooling cylinder 1, the switch drum 6 and the housing 9 are all cylindrical structures, and the upper end surface and the lower end surface of the switch drum 6 are attached to the upper bottom and the lower bottom of the inner wall of the housing 9. An opening 16 is arranged below the shell 9, a bottom plate 17 is arranged at the opening 16, the upper surface of the bottom plate 17 is attached to the lower surface of the cooling cylinder 1, the bottom plate 17 is detachably connected with the shell 9, the convection cylinder 5 penetrates through the bottom plate, and a winding through hole 18 is formed in the bottom plate 17.
As shown in fig. 3, a groove 19 is formed in the side surface of the bottom plate 17, a sliding groove 20 is formed in the surface of the opening 16, a spring 21 is connected in the sliding groove 20, a limiting block 22 is connected to the other end of the spring 21, the other side of the limiting block 22 is an arc-shaped surface, the limiting block 22 is embedded in the groove 19, and a pull rod 23 is connected to the lower surface of the bottom plate 17.
As shown in fig. 2 and 4, the rotating structure comprises a rack 24 and an incomplete gear 25, one side of the incomplete gear 25 is provided with a plurality of tooth grooves, a non-tooth surface of the incomplete gear 25 is connected with the outer surface of the switch drum 6, the rack 24 is meshed with teeth of the incomplete gear 25, one end of the rack 24 is arranged in the wind storage area 10, and the other end of the rack 24 penetrates through the shell 9.
As shown in fig. 7, a switch mark is arranged on the surface of the rack 24, the switch mark comprises a first protruding strip 26 and a second protruding strip 27, the side surfaces of the first protruding strip 26 and the second protruding strip 27 are connected with the surface of the rack, and the first protruding strip 26 and the second protruding strip 27 are arranged on the partial surface of the rack (24) outside the housing 9. The shell 9 is provided with a guide plate 28, the guide plate 28 is connected with the lower bottom of the inner wall of the shell 9, and the toothless side of the rack 24 is attached to the side surface of the guide plate 28.
A preparation method of a differentiated PET silk fabric specifically comprises the following steps:
the method comprises the following steps: the PET raw material after the differentiation treatment is melted and then filtered, and the filtered solution enters a spinneret 2; step two: the air cooler 14 is debugged in advance, the humidity of cold air treated by the air cooler 14 is 70% and the temperature of the cold air is 25 degrees, the cold air passes through the cold air input channel 13, the cold air enters the air storage area 10 from the air inlets 12, the cold air of the air inlets 12 enters and then is hit on the guide plate 11 to be distributed and enter the upper, middle and lower areas in the air storage area 10, and the cold air rapidly enters and fills the whole air storage area 10 to form an annular air blowing mode;
step three: the spinneret 2 sprays out the melt trickle from the filament outlet 4, the melt trickle passes through the cooling cylinder 1, the switch rotary cylinder 6 is rotated: moving a rack 24 at one end of the shell 9 to enable the rack 24 to rotate an incomplete gear 25 on the switch rotary drum 6 until a switch mark shows that a first air inlet hole 7 is opposite to a second air inlet hole 8, and further communicating the air storage area 10 with the cooling drum 1;
step four: the air speed of the air cooler 14 is adjusted to be 0.4m/min, the cold air takes away heat on the melt trickle and enters the convection barrel 5, and the wind with heat is discharged from the lower part of the convection barrel 5;
step five: and (3) drawing the cooled fiber bundle by a winding machine, oiling, stretching, shaping, and winding the packaged and formed differentiated PET silk fabric.
As shown in fig. 1-7, when in use, the PET raw material after being differentiated is melted and then filtered, the filtered solution enters the spinneret 2, the filament 31 is extruded from the filament outlet disc 3 connected below the spinneret 2, is cooled and solidified under the action of uniform and constant wind speed, temperature and humidity of cold wind to gradually increase viscosity, is cooled by the cooling barrel 1 of the filament outlet 4, passes through the winding channel 18 in the bottom plate 17 below and is pulled by the external winding machine, and when the filament 31 is cooled, the cold wind is produced by the air cooler 14, is input from the cold wind input channel 13, and enters the wind storage area 10 between the shell 9 and the switch rotating barrel 6 from the air inlet 12. When the cooling cylinder 1 needs to be ventilated, the switch drum 6 is rotated: the first convex strip 26 is marked in a state that the first air inlet hole 7 and the second air inlet hole 8 are staggered, the shell 9 is tangent to the first convex strip 26 at the moment, the rack 24 is pushed into the shell 9, the incomplete gear 25 meshed with the rack 24 drives the switch rotary drum 6 to rotate, when the second convex strip 27 is tangent to the shell 9, the first air inlet hole 7 is opposite to the second air inlet hole 8, the ventilation state is realized, cold air enters the cooling drum 1 to cool the cellosilk 31, the cold air can be opened and closed immediately when the switch rotary drum 6 is matched with a rotating structure, and cooling ending are started rapidly. The cooled fiber 31 passes through the winding through hole 18 and is drawn by a winding machine to be cooled, bundled, oiled, stretched and shaped, and the formed differentiated PET silk fabric is wound and packaged.
Claims (10)
1. A preparation device of a differentiated PET silk fabric is characterized by comprising a cooling cylinder (1), wherein a spinneret (2) is arranged above the cooling cylinder (1), a silk outlet disc (3) is arranged between the spinneret (2) and the cooling cylinder (1), silk outlet holes (4) are formed in the surface of the silk outlet disc (3), an upper opening of each silk outlet hole (4) is communicated with the inside of the spinneret (2), a lower opening of each silk outlet hole (4) is communicated with the cavity of the cooling cylinder (2), a convection cylinder (5) is arranged on the surface of the silk outlet disc (3), the convection cylinder (5) is of a hollow structure, a plurality of air outlet holes (29) are formed in the surface of the convection cylinder (5), the upper end of the convection cylinder (5) is detachably connected with the center of the lower surface of the silk outlet disc (3), the lower end of the convection cylinder (5) extends out of the cooling cylinder (1), and the outer surface of the cooling cylinder (1) is sleeved with a switch (6), be equipped with a plurality of fresh air inlet (7) on cooling cylinder (1), be equipped with a plurality of fresh air inlet two (8) on switch rotary drum (6), fresh air inlet (7) and fresh air inlet two (8) looks adaptation, be equipped with shell (9) outside switch rotary drum (6), establish between switch rotary drum (6) and shell (9) and store up wind district (10), switch rotary drum (6) surface is connected with guide plate (11) and rotating-structure, shell (9) surface is equipped with a plurality of air intakes (12).
2. The device for preparing the differentiated PET silk fabric according to claim 1, wherein the air inlet (12) is arranged at the center of a vertical shaft of the shell (9), the air inlet (12) is connected with a cold air input channel (13), one end of the cold air input channel (13) is communicated with the air storage area (10), the other end of the cold air input channel (13) is connected with an air cooler (14), and a heat insulation sleeve (15) is sleeved on the outer surface of the cold air input channel (13).
3. The device for preparing the differentiated PET silk fabric according to claim 1, wherein one end of the guide plate (11) is connected with the outer surface of the switch drum (6), the other end of the guide plate (11) faces the air inlet (12), the guide plate (6) is arranged up and down symmetrically by taking a transverse central axis of the air inlet (12) as a center, a plurality of through holes (30) are formed in the surface of the guide plate (11), and the arrangement direction of the through holes (30) is parallel to the air inlet (12).
4. The device for preparing the differentiated PET silk fabric according to claim 1, wherein the cooling cylinder (1), the switch rotating cylinder (6) and the shell (9) are all of cylindrical structures, and the upper end surface and the lower end surface of the switch rotating cylinder (6) are attached to the upper bottom and the lower bottom of the inner wall of the shell (9).
5. The device for preparing the differentiated PET silk fabric according to claim 1, wherein an opening (16) is formed below the shell (9), a bottom plate (17) is arranged at the opening (16), the upper surface of the bottom plate (17) is attached to the lower surface of the cooling cylinder (1), the bottom plate (17) is detachably connected with the shell (9), the convection cylinder (5) penetrates through the bottom plate, and winding through holes (18) are formed in the bottom plate (17).
6. The device for preparing the differentiated PET silk fabric according to claim 5, wherein a groove (19) is formed in the side face of the bottom plate (17), a sliding groove (20) is formed in the surface of the opening (16), a spring (21) is connected in the sliding groove (20), a limiting block (22) is connected to the other end of the spring (21), the other side of the limiting block (22) is an arc-shaped surface, the limiting block (22) is embedded in the groove (19), and a pull rod (23) is connected to the lower surface of the bottom plate (17).
7. The device for preparing the differentiated PET silk fabric according to claim 1, wherein the rotating structure comprises a rack (24) and an incomplete gear (25), one side of the incomplete gear (25) is provided with a plurality of tooth grooves, the non-tooth surface of the incomplete gear (25) is connected with the outer surface of the switch drum (6), the rack (24) is meshed with the teeth of the incomplete gear (25), one end of the rack (24) is arranged in the wind storage area (10), and the other end of the rack (24) penetrates through the shell (9).
8. The device for preparing the differentiated PET silk fabric according to claim 7, wherein the rack (24) is provided with a switch mark, the switch mark comprises a first rib (26) and a second rib (27), the side surfaces of the first rib (26) and the second rib (27) are connected with the surface of the rack, and the first rib (26) and the second rib (27) are arranged on the partial surface of the rack (24) outside the shell (9).
9. The apparatus for preparing a differentiated PET silk fabric according to claim 7, wherein the shell (9) is provided with a guide plate (28), the guide plate (28) is connected with the lower bottom of the inner wall of the shell (9), and the toothless side of the rack (24) is attached to the side surface of the guide plate (28).
10. A preparation method of a differentiated PET silk fabric is characterized by comprising the following steps:
the method comprises the following steps: the PET raw material after the differentiation treatment is melted and then filtered, and the filtered solution enters a spinneret (2); step two: the method comprises the steps that an air cooler (14) is debugged in advance, the humidity of cold air treated by the air cooler (14) is 60-75%, the temperature of the cold air is 20-25 degrees, the cold air passes through a cold air input channel (13), the cold air enters an air storage area (10) from an air inlet (12), the cold air of a plurality of air inlets (12) enters a guide plate (11) and is distributed to enter an upper area, a middle area and a lower area in the air storage area (10), and the cold air rapidly enters and fills the whole air storage area (10) to form an annular air blowing mode;
step three: the spinneret (2) sprays out the melt trickle from the filament outlet (4) and passes through the cooling cylinder (1) and the rotary switch drum (6): moving a rack (24) at one end of a shell (9) to enable the rack (24) to rotate an incomplete gear (25) on a switch rotary drum (6) until a switch mark shows that a first air inlet hole (7) is opposite to a second air inlet hole (8), and further communicating an air storage area (10) with a cooling drum (1);
step four: the air speed of the air cooler (14) is adjusted to be 0.3 m/min-0.5 m/min, heat on the melt trickle is taken away by cold air and enters the convection cylinder (5), and wind with heat is discharged from the lower part of the convection cylinder (5);
step five: and (3) drawing the cooled fiber bundle by a winding machine, oiling, stretching, shaping, and winding the packaged and formed differentiated PET silk fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111238944.9A CN113969430A (en) | 2021-10-25 | 2021-10-25 | Preparation device and method of differentiated PET silk fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111238944.9A CN113969430A (en) | 2021-10-25 | 2021-10-25 | Preparation device and method of differentiated PET silk fabric |
Publications (1)
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