CN115772711A - POY chemical fiber melt spinning equipment and spinning process - Google Patents
POY chemical fiber melt spinning equipment and spinning process Download PDFInfo
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- CN115772711A CN115772711A CN202211312157.9A CN202211312157A CN115772711A CN 115772711 A CN115772711 A CN 115772711A CN 202211312157 A CN202211312157 A CN 202211312157A CN 115772711 A CN115772711 A CN 115772711A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses POY chemical fiber melt spinning equipment and a POY chemical fiber melt spinning process in the technical field of POY chemical fiber melt spinning, and the POY chemical fiber melt spinning equipment comprises a support, wherein the support is fixedly connected with a melt extrusion box and a water pool, the water pool is positioned under the melt extrusion box, the bottom wall of the melt extrusion box is fixedly communicated with a plurality of filament outlet pipes which are distributed at equal intervals, circulating water cooling mechanisms are arranged between the filament outlet pipes and the water pool respectively, each circulating water cooling mechanism comprises an outer wrapping pipe, the outer wrapping pipe is fixedly sleeved on the outer side of the filament outlet pipe, and the upper end of the outer wall of the outer wrapping pipe is fixedly communicated with a branch pipe; the invention adopts a water cooling mode to cool the filament, the water cooling effect is greater than the traditional air cooling effect, the cooling forming time of the filament is accelerated, and the flying length of the filament being formed is shortened, thereby reducing the vibration amplitude of the filament in the forming stage, and further reducing the amplitude of extrusion deformation of the filament by a filament outlet and the probability of filament breakage.
Description
Technical Field
The invention relates to the technical field of POY chemical fiber melt spinning, in particular to POY chemical fiber melt spinning equipment and a POY chemical fiber melt spinning process.
Background
When the POY chemical fiber melt spinning equipment works, the POY chemical fiber melt is extruded into filaments, then the filaments are cooled and formed by wind, and finally the filaments are wound; the orientation degree is a measure of the orientation degree of the polymer, and means the degree of the regular arrangement of various structural units such as macromolecules or chain segments and the like, including microcrystals, along the fiber axis; the existing POY chemical fiber melt spinning equipment adopts a high-speed winding mode to wind in order to have enough pulling force to ensure that the orientation degree of the filament reaches a set standard in the forming stage of the filament.
However, the air cooling efficiency of the air cooling mode of the conventional POY chemical fiber melt spinning device is poor, and the filament winding speed is high, so that the filament needs to have a longer free length in an air cooling area so as to be cooled and formed completely, the shaking amplitude of the filament can be increased due to the overlong free length and the rapid winding, the air cooling can disturb airflow, the shaking amplitude of the filament is further enhanced, the extrusion degree between the filament in a melt state and a filament outlet hole can be increased due to strong shaking, and the filament is easy to deform seriously and even break.
Based on the above, the invention designs POY chemical fiber melt spinning equipment and a spinning process, so as to solve the problems.
Disclosure of Invention
The invention aims to provide POY chemical fiber melt spinning equipment and a POY chemical fiber melt spinning process, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a POY chemical fibre fuse-element spinning equipment, includes the support, support fixedly connected with fuse-element extrusion case and pond, the pond is located under the fuse-element extrusion case, the fixed intercommunication of fuse-element extrusion case diapire has the play silk pipe that a plurality of equidistance distributes, it all is equipped with circulation water cooling mechanism to go out between silk pipe and the pond, circulation water cooling mechanism includes outer tube, the fixed cover of outer tube is located out the silk outside of managing, the fixed intercommunication in upper end of outer tube outer wall has branch pipe, a plurality of the common fixed intercommunication of branch pipe has the person in charge, the fixed intercommunication of the person in charge has the raceway, the raceway is kept away from the fixed intercommunication of one end of being responsible for and is had the water pump, water pump and fuse-element extrusion case outer wall fixed connection, the fixed intercommunication in output of water pump has the drinking-water pipe, the drinking-water pipe lower extreme extends to the bottom in the pond, the equal fixedly connected with backup pad in the below of every play silk pipe of port on the pond, the backup pad rear end all rotates and is connected with the first side of a plurality of support frame plate, all be equipped with the guide pulley mechanism between backup pad and the guide pulley front side of the guide pulley, the support is connected with the winding displacement of motor support device, the support device is connected with the second support device and is connected with the winding displacement under the motor.
As a further scheme of the invention, the dewatering mechanism comprises an upper dewatering mechanism and a lower dewatering mechanism, the upper dewatering mechanism and the lower dewatering mechanism are respectively positioned on a square frame plate and a support plate and are both positioned at the same side of a first guide wheel, the upper dewatering mechanism comprises a plurality of first transmission wheels which are horizontally and equidistantly distributed, the first transmission wheels are both rotatably connected with the lower part of the square frame plate, a first conveying belt is jointly and rotatably connected with the outer sides of the plurality of first transmission wheels, a first water absorption sponge is sleeved on the outer side of the first conveying belt, two second transmission wheels which are respectively positioned at two ends of the upper part of the square frame plate are rotatably connected with the square frame plate, a plurality of main extrusion wheels which are equidistantly distributed are rotatably connected with the upper side of the upper side wall of the first water absorption sponge, a first auxiliary extrusion wheel is rotatably connected below each main extrusion wheel on the lower side of the upper side wall of the first water absorption sponge, the main extrusion wheel and the first auxiliary extrusion wheel are both rotatably connected with the square frame plate and are positioned between the two second transmission wheels, the first water absorption sponge can absorb water, and the main extrusion wheel and the first auxiliary extrusion wheel can jointly extrude water in the sponge; an upper water distributor is arranged among the plurality of square frame plates, the upper water distributor can guide water extruded by the main extrusion wheel and the first auxiliary extrusion wheel into the water pool, and a transmission mechanism is arranged among the upper water removing mechanism, the lower water removing mechanism and the winding shaft.
As a further scheme of the invention, the dewatering mechanism comprises a plurality of third transmission wheels which are distributed in a horizontal and equidistant manner, the number of the third transmission wheels is more than three, the outer sides of the plurality of third transmission wheels are jointly connected with a second conveying belt in a transmission manner, a second water absorption sponge is sleeved on the outer side of the second conveying belt, the inner side size of the second water absorption sponge is the same as the outer side size of the second conveying belt, the lower side of the second water absorption sponge is connected with three second auxiliary extrusion wheels in a transmission manner, and the three second auxiliary extrusion wheels are respectively positioned under the three third transmission wheels and are all positioned at the upper port of the water pool.
As a further scheme of the invention, the water collecting tank with the horizontal upper water distributor is fixedly connected with a plurality of square frame plates together, the water collecting tank is positioned below all the first auxiliary extrusion wheels, the bottom wall of the water collecting tank is fixedly communicated with a drain pipe, the lower end of the drain pipe extends into the water pool, and the two ends of the water collecting tank and the two ends of the water pool are fixedly connected with the rear hydraulic cylinders.
As a further scheme of the invention, the transmission mechanism comprises a transmission rotating shaft, the transmission rotating shaft is rotatably connected with the bracket and is positioned at the front side of the lower dewatering mechanism, the transmission rotating shaft is fixedly connected with a first gear at the front side of each dewatering mechanism, the first gear is meshed with a second gear, the second gear is fixedly connected with a rotating shaft of a third driving wheel at the foremost end of the lower dewatering mechanism, the rotating shaft of the second gear is fixedly connected with a third gear, the third gear is meshed with a fourth gear, the fourth gear is fixedly connected with a rotating shaft of a first driving wheel at the foremost end of the upper dewatering mechanism, two ends of the transmission rotating shaft are rotatably connected with swing rods, a driven roller positioned at one side of the winding shaft is rotatably connected between the two swing rods, the spacing between driven cylinder, the transmission pivot is the same with the spacing between spool, the transmission pivot, one side that driven cylinder kept away from the spool is rotated and is connected with U type frame, one side that driven cylinder was kept away from to U type frame articulates there is elastic telescopic rod, elastic telescopic rod keeps away from U type frame one end and support articulated, driven cylinder's the first belt pulley of axis of rotation fixedly connected with, first belt pulley is connected with the second belt pulley through the belt pulley transmission, second belt pulley and transmission pivot fixed connection, the structure and the size of first gear, second gear, third gear and fourth gear are all the same, the diameter of first drive wheel and third drive wheel is the same, the diameter proportion of driven cylinder, first belt pulley is the same with the diameter proportion of first drive wheel, second belt pulley.
As a further scheme of the invention, the supporting plate is fixedly connected with a water baffle plate positioned on one side of the first guide wheel close to the dewatering mechanism, the water baffle plate is provided with a threading hole, and the threading hole is aligned with a horizontal tangent line at the lower side of the first guide wheel.
As a further scheme of the invention, a plurality of downstream plates distributed in a circumferential array are fixedly connected between the inner wall of the outer wrapping tube and the bottom end of the outer wall of the filament outlet tube.
A spinning process of POY chemical fiber melt spinning equipment comprises the following steps:
the method comprises the following steps: preparing a POY chemical fiber melt raw material by using a slurry preparation tank, and then arranging two esterification kettles and three polycondensation kettles, namely a first esterification kettle, a second esterification kettle, a first pre-polycondensation kettle, a second pre-polycondensation kettle and a final polycondensation kettle, wherein the POY chemical fiber melt raw material sequentially passes through the first esterification kettle, the second esterification kettle, the first pre-polycondensation kettle, the second pre-polycondensation kettle and the final polycondensation kettle to form a POY chemical fiber melt required by spinning;
step two: the POY chemical fiber melt is conveyed into a melt extrusion box through a booster pump, and the melt in the melt extrusion box is extruded and formed into filaments through each filament outlet pipe;
step three: the circulating water cooling mechanism pre-cools the chemical fiber filaments in the filament outlet pipe to an initial setting state, and cools the filaments extruded out of the filament outlet pipe to a molding state;
step four: the formed filament is guided to a dewatering mechanism, and the dewatering mechanism removes residual water on the surface of the filament;
step five: the dewatered filament is guided to a wire arranging device, and the wire arranging device arranges the wire on the filament;
step six: the wire body after winding is wound into a coil by a winding sleeve outside the winding shaft.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts a water cooling mode to cool the filament, the cooling effect of the water cooling is greater than that of the traditional air cooling, the cooling forming time of the filament is accelerated, and the free length of the filament being formed is shortened, so that the vibration amplitude of the filament in the forming stage is reduced, and the amplitude of extrusion deformation of the filament by a filament outlet and the probability of filament breakage are further reduced; the invention can pre-cool the filament in the filament outlet pipe to the initial setting state through the circulating water cooling mechanism, thereby enhancing the texture strength of the filament when leaving the filament outlet, and further reducing the extrusion deformation amplitude of the filament by the filament outlet and the probability of filament breakage.
2. According to the invention, one side of the first water absorption sponge and the second water absorption sponge clamping the filament together move along the same direction and at almost the same speed as the filament through the matching of the filament coil of the transmission mechanism, so that the upper dewatering mechanism and the lower dewatering mechanism respectively carry out non-abrasion dewatering work on the upper half side and the lower half side of the filament, the dryness of the filament coil is ensured, water absorbed by the first water absorption sponge and the second water absorption sponge can be extruded out and recycled into the water tank, and the water in the circulating water cooling mechanism can be recycled more efficiently.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the melt extrusion box and water sump;
FIG. 3 is a cross-sectional view of the overcladding tube and its internal mechanism;
FIG. 4 is a schematic perspective view of the dewatering mechanism;
FIG. 5 is a side view of the support plate and the square frame plate;
FIG. 6 is a schematic top view of the bottom structure of the present invention;
FIG. 7 is a flow diagram of the spinning process of the present invention;
FIG. 8 is a flow chart of the POY chemical fiber melt preparation of the present invention.
In the drawings, the reference numbers indicate the following list of parts:
1. a support; 2. a melt extrusion box; 3. a water pool; 4. a wire outlet pipe; 5. wrapping the tube; 6. a down-flow plate; 7. a branch pipe; 8. a main tube; 9. a water delivery pipe; 10. a water pump; 11. a water pumping pipe; 12. a support plate; 13. a first guide wheel; 14. a square frame plate; 15. a second guide wheel; 16. a wire arranging device; 17. a spool; 18. a motor; 19. a first drive pulley; 20. a first conveyor belt; 21. a first absorbent sponge; 22. a second transmission wheel; 23. a main extrusion wheel; 24. a first secondary squeeze wheel; 25. a water collection tank; 26. a drain pipe; 27. a hydraulic cylinder; 28. a third transmission wheel; 29. a second conveyor belt; 30. a second absorbent sponge; 31. a second pair of squeeze wheels; 32. a transmission rotating shaft; 33. a first gear; 34. a second gear; 35. a third gear; 36. a fourth gear; 37. a swing lever; 38. a driven drum; 39. a U-shaped frame; 40. an elastic telescopic rod; 41. a first pulley; 42. a belt loop; 43. a second pulley; 44. a water baffle; 45. and (6) threading holes.
Detailed Description
Referring to fig. 1 to 8, the present invention provides a technical solution: a POY chemical fiber melt spinning device comprises a support 1, wherein the support 1 is fixedly connected with a melt extrusion box 2 and a water pool 3, the water pool 3 is positioned under the melt extrusion box 2, the bottom wall of the melt extrusion box 2 is fixedly communicated with a plurality of filament outlet pipes 4 distributed at equal intervals, a circulating water cooling mechanism is arranged between the filament outlet pipes 4 and the water pool 3 and comprises outer wrapping pipes 5, the outer wrapping pipes 5 are fixedly sleeved outside the filament outlet pipes 4, the upper ends of the outer walls of the outer wrapping pipes 5 are fixedly communicated with branch pipes 7, the branch pipes 7 are jointly and fixedly communicated with a main pipe 8, the main pipe 8 is fixedly communicated with a water conveying pipe 9, one end, far away from the main pipe 8, of the water conveying pipe 9 is fixedly communicated with a water pump 10, the water pump 10 is fixedly connected with the outer wall of the melt extrusion box 2, and the output end of the water pump 10 is fixedly communicated with a water pumping pipe 11, 11 lower extremes of drinking-water pipe extend to bottom in the pond 3, the equal fixedly connected with backup pad 12 in every below of outlet pipe 4 of port on the pond 3, backup pad 12 rear end is all rotated and is connected with the first guide pulley 13 that is located outlet pipe 4 under, the equal sliding connection of backup pad 12 upside has square frame board 14, all be equipped with the mechanism that anhydrates that is located first guide pulley 13 front side between backup pad 12 and the square frame board 14, 3 outer walls in pond all rotate in the front side of every backup pad 12 and are connected with second guide pulley 15, support 1 is at the below fixedly connected with winding displacement device 16 of a plurality of second guide pulley 15, support 1 rotates and is connected with the spool 17 that is located winding displacement device 16 under, 1 fixedly connected with motor 18 of support, the output of motor 18 and the one end fixed connection of spool 17.
When the scheme is put into practical use, the POY chemical fiber melt is conveyed into the melt extrusion box 2 through the booster pump, and the melt in the melt extrusion box 2 is extruded and formed into filaments through the filament outlet pipes 4; meanwhile, the main pipe 8 is started, the main pipe 8 pumps water in the water pool 3 through the water pumping pipe 11, then the water is discharged into the main pipe 8 through the water conveying pipe 9, the water in the main pipe 8 is conveyed into the outer wrapping pipe 5 through the branch pipe 7, the water in the outer wrapping pipe 5 is contacted with the outer wall of the filament outlet pipe 4, and the water in the outer wrapping pipe 5 can pre-cool filaments in the filament outlet pipe 4 to an initial setting state; the filament body is vertically downward after leaving the filament outlet pipe 4 and is wound to the front side through the lower side of the first guide wheel 13, water in the outer wrapping pipe 5 also flows downward from the lower end opening of the outer wrapping pipe 5, and the water flowing out from the lower end opening of the outer wrapping pipe 5 can cool the filament body between the filament outlet pipe 4 and the first guide wheel 13 to a solidification state and falls back into the water pool 3; the filament body bypasses the first guide wheel 13 and then is subjected to water removal by a water removal mechanism to remove residual water on the surface of the filament body; the dewatered filament is guided downwards into the existing wire arranging device 16 through a second guide wheel 15, and the wire arranging device 16 can arrange wires on the filament; simultaneously, the motor 18 is started, the motor 18 drives the winding shaft 17 to rotate anticlockwise, the winding shaft 17 is to be determined to rotate in advance by the winding sleeve sleeved outside the winding shaft 17, and the filament body wound by the winding device 16 is finally wound into a coil anticlockwise by the rotating winding sleeve; thus, the POY chemical fiber melt spinning equipment cools the filament body in a water cooling mode, the water cooling effect is greater than that of the traditional air cooling method, the cooling forming time of the filament body is accelerated, and the flying length of the filament body being formed is shortened, so that the vibration amplitude of the filament body in the forming stage is reduced, and the amplitude of extrusion deformation of the filament body by a filament outlet and the probability of filament breakage are further reduced; the POY chemical fiber melt spinning equipment can precool the filament in the filament outlet pipe 4 to an initial setting state through the circulating water cooling mechanism, so that the texture strength of the filament when leaving the filament outlet is enhanced, and the extrusion deformation amplitude and the filament breakage probability of the filament at the filament outlet are further reduced.
As a further scheme of the present invention, the water removing mechanism includes an upper water removing mechanism and a lower water removing mechanism, the upper water removing mechanism and the lower water removing mechanism are respectively located on the square frame plate 14 and the support plate 12 and are both on the same side as the first guide wheel 13, the upper water removing mechanism includes a plurality of first transmission wheels 19 distributed horizontally and equidistantly, the first transmission wheels 19 are both rotatably connected with the lower portion of the square frame plate 14, the outer sides of the plurality of first transmission wheels 19 are jointly and rotatably connected with a first conveying belt 20, the outer side of the first conveying belt 20 is sleeved with a first water absorption sponge 21, the inner side of the first water absorption sponge 21 is rotatably connected with two second transmission wheels 22 respectively located at two ends of the upper portion of the square frame plate 14, the second transmission wheels 22 are both rotatably connected with the square frame plate 14, the upper side of the upper side wall of the first water absorption sponge 21 is rotatably connected with a plurality of main squeezing wheels 23 distributed equidistantly, the lower side of the upper side wall of the first water absorption sponge 21 is respectively and is connected with a first sub squeezing wheel 24 below each main squeezing wheel 23, the main squeezing wheel 23 and the first sub squeezing wheel 24 are both rotatably connected with the square frame plate 14 and are located between the two second squeezing wheels 22, and the first sponge squeezing wheels 21 can extrude water absorption sponge 21 and the first water absorption sponge 21; an upper water distributor is arranged among the plurality of square frame plates 14, the upper water distributor can guide water extruded by the main extrusion wheel 23 and the first auxiliary extrusion wheel 24 into the water tank 3, and a transmission mechanism is arranged among the upper water removing mechanism, the lower water removing mechanism and the winding shaft 17.
When the scheme is put into practical use, the winding shaft 17 can drive the first driving wheel 19 at the foremost end to rotate clockwise through the transmission mechanism, the first driving wheel 19 at the foremost end drives the first conveying belt 20 and other first driving wheels 19 to rotate, and the first conveying belt 20 drives the first water absorption sponge 21 to rotate clockwise; the lower side wall of the first water absorption sponge 21 can be contacted with the half side of the filament body, so that the residual water on the upper half side of the filament body can be absorbed; the rotational speed of first sponge 21 that absorbs water can make the lower lateral wall of first sponge 21 that absorbs water and silk body be close to with fast the removal, first sponge 21 that absorbs water not only can absorb the silk body on the first side the residual water can also not take place wearing and tearing with the silk body like this, and first sponge 21 that absorbs water rotates to main pinch roller 23 and first vice pinch roller 24 between, main pinch roller 23 and first vice pinch roller 24 can extrude the water in first sponge 21 that absorbs water jointly, the water of being extruded can be through last water guide to guide in pond 3.
As a further scheme of the present invention, the dewatering mechanism includes a plurality of third transmission wheels 28 distributed horizontally and equidistantly, the number of the third transmission wheels 28 is greater than three, the outer sides of the plurality of third transmission wheels 28 are jointly connected with a second conveyor belt 29 in a transmission manner, a second water absorbing sponge 30 is sleeved on the outer side of the second conveyor belt 29, the inner side of the second water absorbing sponge 30 has the same size as the outer side of the second conveyor belt 29, the lower side of the second water absorbing sponge 30 is connected with three second secondary extrusion wheels 31 in a transmission manner, and the three second secondary extrusion wheels 31 are respectively located under the three third transmission wheels 28 and are all located at the upper port of the water tank 3.
When the scheme is put into practical use, the winding shaft 17 can drive the foremost third driving wheel 28 to rotate anticlockwise through the transmission mechanism, the foremost third driving wheel 28 drives the second conveying belt 29 and other third driving wheels 28 to rotate, and the second conveying belt 29 drives the second water-absorbing sponge 30 to rotate anticlockwise; the upper side of the second water absorption sponge 30 can contact with the lower half side of the filament body, so that the residual water on the lower half side of the filament body can be absorbed; the speed of second sponge 30 that absorbs water rotation can make the upside of second sponge 30 that absorbs water and silk body be close to the same speed and remove, like this, second sponge 30 that absorbs water not only can absorb the residual water of silk body lower half side can also not take place wearing and tearing with the silk body, and second sponge 30 that absorbs water when rotating to the second vice extrusion wheel 31 department of downside, the second vice extrusion wheel 31 can extrude the water in the second sponge 30 that absorbs water jointly with third drive wheel 28, the water of being extruded directly falls into pond 3.
As a further aspect of the present invention, the water collecting tank 25 is a horizontal water collecting tank 25 of the upper water distributor, the water collecting tank 25 is fixedly connected with a plurality of square frame plates 14, the water collecting tank 25 is located below all the first auxiliary squeezing wheels 24, a drain pipe 26 is fixedly communicated with the bottom wall of the water collecting tank 25, the lower end of the drain pipe 26 extends into the water pool 3, and the rear hydraulic cylinders 27 are fixedly connected between the two ends of the water collecting tank 25 and the two ends of the water pool 3.
When the scheme is put into practical use, the main extrusion wheel 23 and the first auxiliary extrusion wheel 24 extrude water in the first water absorption sponge 21 to fall into the water collection tank 25, and the water in the water collection tank 25 is drained into the water pool 3 through the drain pipe 26; before the filament body passes through the gap between the upper dewatering mechanism and the lower dewatering mechanism, the hydraulic cylinder 27 extends to cause the water collecting tank 25 and the square frame plate 14 to move upwards, so that the lower side of the first water absorption sponge 21 is separated from the upper side of the second water absorption sponge 30, in this way, the filament body can conveniently pass through the gap between the first water absorption sponge 21 and the second water absorption sponge 30, and after the filament body passes through the gap between the first water absorption sponge 21 and the second water absorption sponge 30, the hydraulic cylinder 27 contracts to cause the first water absorption sponge 21 to descend until the first water absorption sponge 21 and the second water absorption sponge 30 jointly extrude the filament body.
As a further scheme of the present invention, the transmission mechanism comprises a transmission rotation shaft 32, the transmission rotation shaft 32 is rotatably connected with the bracket 1 and is located at the front side of the lower dewatering mechanism, the transmission rotation shaft 32 is fixedly connected with a first gear 33 at the front side of each dewatering mechanism, the first gear 33 is engaged with a second gear 34, the second gear 34 is fixedly connected with a rotation shaft of a foremost third transmission wheel 28 in the lower dewatering mechanism, a rotation shaft of the second gear 34 is fixedly connected with a third gear 35, the third gear 35 is engaged with a fourth gear 36, the fourth gear 36 is fixedly connected with a rotation shaft of a foremost first transmission wheel 19 in the upper dewatering mechanism, two ends of the transmission rotation shaft 32 are rotatably connected with swing rods 37, a driven roller 38 located at one side of the winding shaft 17 is rotatably connected between the two swing rods 37, the distance between the driven roller 38 and the transmission rotating shaft 32 is the same as the distance between the winding reel 17 and the transmission rotating shaft 32, one side of the driven roller 38, which is far away from the winding reel 17, is rotatably connected with a U-shaped frame 39, one side of the U-shaped frame 39, which is far away from the driven roller 38, is hinged with an elastic telescopic rod 40, one end of the elastic telescopic rod 40, which is far away from the U-shaped frame 39, is hinged with the support 1, a first belt pulley 41 is fixedly connected with a rotating shaft of the driven roller 38, a second belt pulley 43 is connected with the first belt pulley 41 through a belt ring 42 in a transmission manner, the second belt pulley 43 is fixedly connected with the transmission rotating shaft 32, the first gear 33, the second gear 34, the third gear 35 and the fourth gear 36 are the same in structure and size, the diameters of the first transmission wheel 19 and the third transmission wheel 28 are the same, and the diameter proportions of the driven roller 38 and the first belt pulley 41 are the first transmission wheel 19, the diameter ratio of the second pulleys 43 is the same.
When the scheme is put into practical use, under the extrusion of the elastic telescopic rod 40, the U-shaped frame 39 always pushes the driven roller 38 to approach the winding shaft 17, so that when a filament is wound anticlockwise, a coil of the filament drives the driven roller 38 to rotate clockwise, the driven roller 38 drives the first belt pulley 41 to rotate, the first belt pulley 41 drives the second belt pulley 43 to rotate through the belt ring 42, the second belt pulley 43 drives the first gear 33 to rotate through the transmission rotating shaft 32, the first gear 33 drives the second gear 34 to rotate, and the second gear 34 drives the third transmission wheel 28 to rotate anticlockwise; meanwhile, the second gear 34 drives the third gear 35 to rotate, the third gear 35 drives the fourth gear 36 to rotate, the driven roller 38 drives the first transmission wheel 19 to rotate clockwise, and because the first gear 33, the second gear 34, the third gear 35 and the fourth gear 36 have the same structure and size, the diameters of the first transmission wheel 19 and the third transmission wheel 28 are the same, the diameter proportion of the driven roller 38 and the first belt pulley 41 is the same as the diameter proportion of the first transmission wheel 19 and the second belt pulley 43, the speed of the surface movement of the first transmission wheel 19 and the third transmission wheel 28 is the same as the speed of the movement of the outer side surface of the filament coil, so that one side of the first water absorption sponge 21 and the second water absorption sponge 30, which clamp the filament together, moves in the same direction and almost the same speed as the filament; in conclusion, in the POY chemical fiber melt spinning equipment, one side of the first water absorption sponge 21 and one side of the second water absorption sponge 30, which clamp the filament together, move in the same direction and at almost the same speed as the filament through the matching of the filament coils of the transmission mechanism, so that the upper water removal mechanism and the lower water removal mechanism respectively perform non-abrasion water removal on the upper half side and the lower half side of the filament, the dryness of the filament coils is ensured, water absorbed by the first water absorption sponge 21 and the second water absorption sponge 30 can be extruded out and recycled into the water tank 3, and water in the circulating water cooling mechanism can be recycled more efficiently.
As a further scheme of the present invention, the supporting plate 12 is fixedly connected with a water baffle 44 located on one side of the first guide wheel 13 close to the water removing mechanism, the water baffle 44 is provided with a threading hole 45, and the threading hole 45 is aligned with a horizontal tangent line on the lower side of the first guide wheel 13; in operation, through the setting of breakwater 44, can block the splash water that the rotation of first guide pulley 13 produced, through the setting of threading hole 45, can be convenient for the threading of silk body.
As a further scheme of the invention, a plurality of downstream plates 6 distributed in a circumferential array are fixedly connected between the inner wall of the outer wrapping tube 5 and the bottom end of the outer wall of the wire outlet tube 4; in work, the arrangement of the downstream plate 6 can dredge the water flow in the outer cladding pipe 5, so that the water sprayed out of the lower end of the outer cladding pipe 5 is smoother.
A spinning process of POY chemical fiber melt spinning equipment comprises the following steps:
the method comprises the following steps: preparing a POY chemical fiber melt raw material by using a slurry preparation tank, and then arranging two esterification kettles and three polycondensation kettles, namely a first esterification kettle, a second esterification kettle, a first pre-polycondensation kettle, a second pre-polycondensation kettle and a final polycondensation kettle, wherein the POY chemical fiber melt raw material sequentially passes through the first esterification kettle, the second esterification kettle, the first pre-polycondensation kettle, the second pre-polycondensation kettle and the final polycondensation kettle to form a POY chemical fiber melt required by spinning;
step two: POY chemical fiber melt is conveyed into a melt extrusion box 2 through a booster pump, and the melt in the melt extrusion box 2 is extruded and formed into filaments through each filament outlet pipe 4;
step three: the circulating water cooling mechanism pre-cools the chemical fiber filaments in the filament outlet pipe 4 to an initial setting state, and cools the filaments extruded out of the filament outlet pipe 4 to be molded;
step four: the formed filament is guided to a dewatering mechanism, and the dewatering mechanism removes residual water on the surface of the filament;
step five: the dewatered filament is guided to a wire arranging device 16, and the wire arranging device 16 arranges the wire on the filament;
step six: the wire body after winding is wound into a coil by a winding sleeve outside the winding shaft 17.
The working principle is as follows: POY chemical fiber melt is conveyed into a melt extrusion box 2 through a booster pump, and the melt in the melt extrusion box 2 is extruded and formed into filaments through each filament outlet pipe 4; meanwhile, the main pipe 8 is started, the main pipe 8 pumps water in the water pool 3 through the water pumping pipe 11, then the water is discharged into the main pipe 8 through the water conveying pipe 9, the water in the main pipe 8 is conveyed into the outer wrapping pipe 5 through the branch pipe 7, the water in the outer wrapping pipe 5 is contacted with the outer wall of the filament outlet pipe 4, and the water in the outer wrapping pipe 5 can pre-cool filaments in the filament outlet pipe 4 to an initial setting state; the filament body is vertically downward after leaving the filament outlet pipe 4 and is wound to the front side through the lower side of the first guide wheel 13, water in the outer wrapping pipe 5 also flows downward from the lower end opening of the outer wrapping pipe 5, and the water flowing out from the lower end opening of the outer wrapping pipe 5 can cool the filament body between the filament outlet pipe 4 and the first guide wheel 13 to a solidification state and falls back into the water pool 3; the filament body bypasses the first guide wheel 13 and then is subjected to water removal by a water removal mechanism to remove residual water on the surface of the filament body; the dewatered filament is guided downwards into the existing wire arranging device 16 through a second guide wheel 15, and the wire arranging device 16 can arrange wires on the filament; simultaneously, the motor 18 is started, the motor 18 drives the winding shaft 17 to rotate anticlockwise, the winding shaft 17 is to be determined to rotate in advance by the winding sleeve sleeved outside the winding shaft 17, and the filament body wound by the winding device 16 is finally wound into a coil anticlockwise by the rotating winding sleeve; thus, the POY chemical fiber melt spinning equipment cools the filament body in a water cooling mode, the water cooling effect is greater than that of the traditional air cooling method, the cooling forming time of the filament body is accelerated, and the flying length of the filament body being formed is shortened, so that the vibration amplitude of the filament body in the forming stage is reduced, and the amplitude of extrusion deformation of the filament body by a filament outlet and the probability of filament breakage are further reduced; the POY chemical fiber melt spinning equipment can precool the filament in the filament outlet pipe 4 to an initial setting state through the circulating water cooling mechanism, so that the texture strength of the filament when leaving the filament outlet is enhanced, and the extrusion deformation amplitude and the filament breakage probability of the filament by the filament outlet are further reduced.
Claims (8)
1. A POY chemical fiber melt spinning device is characterized in that: including support (1), support (1) fixedly connected with fuse-element extrusion case (2) and pond (3), pond (3) are located under fuse-element extrusion case (2), the fixed intercommunication of fuse-element extrusion case (2) diapire has wire outlet pipe (4) that a plurality of equidistance distributes, all be equipped with circulating water cooling mechanism between wire outlet pipe (4) and pond (3), circulating water cooling mechanism includes outer tubulation (5), the fixed cover of outer tubulation (5) is located wire outlet pipe (4) the outside, the fixed intercommunication in upper end of outer tubulation (5) outer wall has branch pipe (7), a plurality of branch pipe (7) common fixed intercommunication has person in charge (8), the fixed intercommunication of person in charge (8) has raceway (9), the fixed intercommunication of one end of being responsible for (8) is kept away from in raceway (9) has water pump (10), water pump (10) and fuse-element extrusion case (2) outer wall fixed connection, the fixed intercommunication of output of water pump (10) has drinking-water pipe (11), drinking-water pipe (11) lower extreme extends to pond (3) bottom, the fixed connection has wire outlet pipe (12) port (12) in every backup pad (4) that is located behind each other side (4), the utility model discloses a water-removing device for the wire winding device, including backup pad (12), backup pad (12) upside all sliding connection have square frame board (14), all be equipped with the mechanism that anhydrates that is located first guide pulley (13) front side between backup pad (12) and square frame board (14), pond (3) outer wall all rotates in the front side of every backup pad (12) and is connected with second guide pulley (15), support (1) is at below fixedly connected with winding displacement device (16) of a plurality of second guide pulley (15), support (1) rotates and is connected with winding reel (17) that are located winding displacement device (16) under, support (1) fixedly connected with motor (18), the output of motor (18) and the one end fixed connection of winding reel (17).
2. The POY chemical fiber melt spinning device of claim 1, wherein: the water removing mechanism comprises an upper water removing mechanism and a lower water removing mechanism, the upper water removing mechanism and the lower water removing mechanism are respectively positioned on the square frame plate (14) and the support plate (12) and are both on the same side with the first guide wheel (13), the upper dewatering mechanism comprises a plurality of first driving wheels (19) which are distributed in a horizontal and equidistant way, the first transmission wheels (19) are all rotationally connected with the lower part of the square frame plate (14), the outer sides of a plurality of the first transmission wheels (19) are jointly connected with a first conveying belt (20) in a transmission way, a first water-absorbing sponge (21) is sleeved outside the first conveying belt (20), the inner side of the first water absorption sponge (21) is connected with two second driving wheels (22) which are respectively positioned at the two ends of the upper part of the square frame plate (14) in a transmission way, the second driving wheels (22) are rotationally connected with the square frame plate (14), the upper side of the upper side wall of the first water absorption sponge (21) is in transmission connection with a plurality of main extrusion wheels (23) which are distributed at equal intervals, the lower side of the upper side wall of the first water absorption sponge (21) is connected with a first auxiliary extrusion wheel (24) under each main extrusion wheel (23) in a transmission way, the main extrusion wheel (23) and the first auxiliary extrusion wheel (24) are both rotationally connected with the square frame plate (14) and are both positioned between the two second transmission wheels (22), the first water absorption sponge (21) can absorb water, and the main extrusion wheel (23) and the first auxiliary extrusion wheel (24) can extrude water in the first water absorption sponge (21) together; an upper water distributor is arranged among the plurality of square frame plates (14), the upper water distributor can guide water extruded by the main extrusion wheel (23) and the first auxiliary extrusion wheel (24) into the water tank (3), and a transmission mechanism is arranged among the upper water removing mechanism, the lower water removing mechanism and the winding shaft (17).
3. The POY chemical fiber melt spinning device of claim 2, wherein: go down water mechanism and include that a plurality of is third drive wheel (28) that horizontal equidistance distributes, the quantity of third drive wheel (28) is greater than threely, a plurality of the common transmission in third drive wheel (28) outside is connected with second conveyer belt (29), second conveyer belt (29) outside cover is equipped with the second sponge (30) that absorbs water, the second sponge (30) that absorbs water inboard size is the same with second conveyer belt (29) outside size, the second sponge (30) that absorbs water downside transmission is connected with the vice extrusion wheel (31) of three second, and is three the vice extrusion wheel (31) of second is located three third drive wheel (28) respectively and all is located the last port in pond (3).
4. The POY chemical fiber melt spinning device of claim 3, wherein: go up water distributor horizontally water catch bowl (25), water catch bowl (25) and the common fixed connection of a plurality of square frame board (14), water catch bowl (25) are located the below of all first pair extrusion wheels (24), the diapire fixed intercommunication of water catch bowl (25) has drain pipe (26), drain pipe (26) lower extreme extends to in pond (3), pneumatic cylinder (27) after equal fixed connection between the both ends of water catch bowl (25) and the both ends of pond (3).
5. The POY chemical fiber melt spinning device of claim 4, wherein: the utility model discloses a water treatment device, including drive mechanism, drive mechanism includes transmission pivot (32), transmission pivot (32) rotate with support (1) and are connected and be located the front side of dehydration mechanism down, the equal fixedly connected with first gear (33) of front side of every dehydration mechanism of transmission pivot (32), first gear (33) meshing has second gear (34), second gear (34) and the axis of rotation fixed connection of the third drive wheel (28) of lower front end in the dehydration mechanism, the axis of rotation fixedly connected with third gear (35) of second gear (34), third gear (35) meshing has fourth gear (36), fourth gear (36) and the axis of rotation fixed connection of the first drive wheel (19) of last dehydration mechanism foremost, the both ends of transmission pivot (32) all rotate and are connected with swinging arms (37), two it is connected with driven drum (38) that are located one side of driven drum (17) to rotate between swinging arms (37), driven drum (38), interval and reel (17) between transmission pivot (32), the same one side of telescopic link (39) is kept away from the articulated type of telescopic link (39) and the U type frame (39), the articulated type of stand (39) is connected with one side of driven drum (39), the telescopic link (39) of the U type stand (39) is kept away from the elastic support (39), the U type stand (39), the flexible roll (39) one side of flexible roll (39) is connected with the telescopic link (39), the flexible roll (39) one side of flexible roll (39) and the flexible roll (39) one side of flexible roll (39) is kept away from ) Articulated, the axis of rotation fixedly connected with first belt pulley (41) of driven cylinder (38), first belt pulley (41) are connected with second belt pulley (43) through belt pulley (42) transmission, second belt pulley (43) and transmission pivot (32) fixed connection, the structure and the size homogeneous phase of first gear (33), second gear (34), third gear (35) and fourth gear (36), the diameter of first drive wheel (19) and third drive wheel (28) is the same, the diameter proportion of driven cylinder (38), first belt pulley (41) is the same with the diameter proportion of first drive wheel (19), second belt pulley (43).
6. The POY chemical fiber melt spinning device of claim 1, wherein: the supporting plate (12) is fixedly connected with a water baffle (44) which is located on one side, close to the water removing mechanism, of the first guide wheel (13), a threading hole (45) is formed in the water baffle (44), and the threading hole (45) is aligned with a horizontal tangent line on the lower side of the first guide wheel (13).
7. The POY chemical fiber melt spinning device of claim 1, wherein: a plurality of downstream plates (6) distributed in a circumferential array are fixedly connected between the inner wall of the outer wrapping tube (5) and the bottom end of the outer wall of the wire outlet tube (4).
8. A spinning process of POY chemical fiber melt spinning equipment, which adopts the POY chemical fiber melt spinning equipment of any one of claims 1 to 7, and is characterized by comprising the following steps:
the method comprises the following steps: preparing a POY chemical fiber melt raw material by using a slurry preparation tank, and then arranging two esterification kettles and three polycondensation kettles, namely a first esterification kettle, a second esterification kettle, a first pre-polycondensation kettle, a second pre-polycondensation kettle and a final polycondensation kettle, wherein the POY chemical fiber melt raw material sequentially passes through the first esterification kettle, the second esterification kettle, the first pre-polycondensation kettle, the second pre-polycondensation kettle and the final polycondensation kettle to form a POY chemical fiber melt required by spinning;
step two: POY chemical fiber melt is conveyed into a melt extrusion box (2) through a booster pump, and the melt in the melt extrusion box (2) is extruded out through each filament outlet pipe (4) and is in a filament shape;
step three: the circulating water cooling mechanism precools the chemical fiber filaments in the filament outlet pipe (4) to an initial setting state, and cools the filaments extruded out of the filament outlet pipe (4) to be molded;
step four: the formed filament is guided to a dewatering mechanism, and the dewatering mechanism removes residual water on the surface of the filament;
step five: the dewatered filament is guided to a wire arranging device (16), and the wire arranging device (16) arranges the wire on the filament;
step six: the wire body after winding is wound into a coil by a winding sleeve outside a winding shaft (17).
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| CN202211312157.9A CN115772711B (en) | 2022-10-25 | 2022-10-25 | POY chemical fiber melt spinning equipment and spinning process |
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| CN202211312157.9A CN115772711B (en) | 2022-10-25 | 2022-10-25 | POY chemical fiber melt spinning equipment and spinning process |
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| CN115772711B (en) | 2023-06-30 |
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