CN116145272A - Nylon 66 hollow fiber and manufacturing method and production device thereof - Google Patents

Abstract

The invention discloses nylon 66 hollow fibers, which relate to the technical field of nylon fiber production and comprise nylon fiber filaments, wherein the nylon fiber filaments are prepared by melting nylon 66 resin particles. The invention also discloses a production device of the nylon 66 hollow fiber, which comprises a feeding component, a melting component, a filament forming component and an oiling component. The invention also discloses a method for manufacturing the nylon 66 hollow fiber, which comprises the following steps: feeding, melting, dispersing fibers, solidifying the fibers and oiling. According to the invention, the feeding assembly, the melting assembly, the yarn forming assembly and the oiling assembly are arranged, the feeding assembly can feed nylon 66 particles, and the yarn forming assembly is arranged, so that the melted spinning solution can form hollow fiber yarns when passing through the yarn forming assembly, the nylon 66 hollow fiber yarns can be formed, and the components are matched, so that the nylon 66 hollow fiber yarns can be prepared with high efficiency and high quality.

Description

Nylon 66 hollow fiber and manufacturing method and production device thereof

Technical Field

The invention relates to the technical field of nylon fiber production, in particular to nylon 66 hollow fiber, and a manufacturing method and a manufacturing device thereof.

Background

Polyamide (also called nylon) is a polymer obtained by polymerizing monomers containing carboxyl and amino through an amide bond, and is widely used in the fields of textiles, automobile parts, electronic and electric appliances, food packaging and the like due to simple manufacturing process and excellent durability and strength, wherein polyamide 66 (also called nylon 66 or nylon 66) is a product obtained by condensation polymerization of adipic acid and hexamethylenediamine, and is easy to form filaments, and the subsequently produced textiles are excellent in quality, so that the polyamide becomes a main raw material in the textile field.

The current mode of making nylon 66 hollow fiber is that the nylon 66 particles after melting form fiber yarn through a hollow spinneret plate, wherein the melting effect of the nylon 66 particles has a larger influence on the yarn forming quality of the fiber yarn, how to ensure the feeding efficiency of the nylon 66 particles and ensure that the melting effect of the nylon 66 particles and the yarn forming quality of the fiber yarn have a larger relationship, and the fiber yarn needs to be solidified after being formed into yarn.

Accordingly, it is necessary to invent nylon 66 hollow fiber, a method of manufacturing the same, and a device for manufacturing the same to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide nylon 66 hollow fiber, a manufacturing method and a production device thereof, so as to solve the problems in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the nylon 66 hollow fiber production device comprises a feeding assembly, a melting assembly, a filament forming assembly and an oiling assembly;

the feeding assembly comprises a feeding hopper which is arranged in a funnel-shaped structure; the melting assembly comprises a material guide pipe which is arranged below the feeding hopper; the wire forming assembly comprises a material guiding cover and a fixing plate, and the material guiding cover is arranged at the bottom end of the material guiding pipe; the oiling assembly comprises a fixing frame, and the fixing frame is arranged on one side of the guide cover;

the guide cover is characterized in that a fixed plate is fixedly arranged in the guide cover, a plurality of wire outlet holes are formed in the upper surface of the fixed plate in a penetrating mode, a fixed block is arranged in the wire outlet holes, a plurality of connecting blocks are arranged on the outer side wall of the fixed block in a surrounding mode, the connecting blocks are fixedly arranged on the inner wall of the wire outlet holes, and the cross sections of the fixed block and the wire outlet holes are of conical structures;

the bottom end of the guide cover is fixedly provided with an installation cover, the middle part of the installation cover is fixedly provided with a guide cover, the inside of the guide cover is provided with a guide cavity, two ends of the guide cavity are respectively provided with a plurality of guide holes in a penetrating way, the guide holes extend to the inside of the installation cover, the middle parts of two sides of the guide cover are respectively fixedly provided with a connecting cover, and the outer side wall of the connecting cover is provided with an exhaust fan;

the bottom of installing the cover is provided with extends the cover, the bottom of extending the cover is provided with two deflector rolls, the both ends of deflector roll all are provided with the mount pad through the bearing activity, and the mount pad is fixed to be set up in the inner wall of installing the cover, the both ends of deflector roll are all fixed and are provided with the extension piece of toper structure.

Preferably, the fixing plate is internally provided with a hollow space, the hollow space comprises an upper space and a lower space, the upper space and the lower space are isolated by a partition plate with a through hole, the connecting block penetrates through the fixing plate and is positioned in the upper space, a sleeve is arranged in the lower space, a through hole penetrating through the sleeve wall is arranged at the bottom of the sleeve, a limiting block is arranged on the side wall of the sleeve, a piston is arranged at the upper end of the limiting block in the sleeve, one end of a spring is connected to the upper end of the piston, the other end of the spring is connected to the bottom end of the connecting block, a heat dissipation cylinder is arranged at the bottom end of the fixing block, the fixing block is provided with a containing space, the heat dissipation cylinder is isolated from the containing space of the fixing block by a partition plate with a through hole, a vertical plate is arranged in the containing space of the fixing block and is positioned in the central part of the containing space, the bottom of the vertical plate penetrates through the fixing block and extends to the inside the heat dissipation cylinder, the bottom of the vertical plate is of an arc-shaped structure and has a preset distance from the bottom of the limiting block, the vertical plate is connected to the bottom of the connecting block, the vertical plate is provided with a top space, and the hollow connecting block is connected to the top space is provided with the inside the connecting block;

the lateral wall of connecting cover is provided with air extracting fan and blowing fan simultaneously, the wind-guiding hole includes first wind-guiding hole and second wind-guiding hole, first wind-guiding hole with air extracting fan intercommunication, the second wind-guiding hole with the fan intercommunication of blowing, the second wind-guiding hole still through the connecting pipe with lower space intercommunication, first wind-guiding hole still with upper space intercommunication.

Preferably, the device further comprises a controller which is also in communication connection with the suction fan and the blowing fan, and the controller can be used for adjusting the wind speed of the suction fan and/or the blowing fan according to the wall thickness of nylon; the bottom end fixing of feeding hopper is provided with the feeding cover, and the cross-section of feeding cover sets up to annular structure, the inside of feeding cover is provided with movable block, a plurality of feeding grooves have been seted up around the lateral wall of movable block, the bottom end fixing of feeding cover is provided with fixed cover, discharge groove has been seted up at one side middle part of fixed cover, the inside of fixed cover is provided with the bull stick, the both ends of bull stick are all fixed to be provided with the spiral leaf, two the blade opposite direction of spiral leaf, and the side of two spiral leaves all sets up to conical structure.

Preferably, the guide pipe sets up to arc structure, the slot has been seted up in the lateral wall top of guide pipe running through, the inside of slot is provided with the mounting panel, the inside wall of mounting panel is fixed to be provided with a plurality of electrothermal tubes, and the electrothermal tube is located the inside of guide pipe, the inside wall bottom mounting of mounting panel is provided with the baffle, the baffle sets up in the inside of guide pipe, and the middle part of baffle runs through and has seted up a plurality of through-holes, the lateral surface middle part of mounting panel is fixed to be provided with the controller, and controller and electrothermal tube electric connection.

Preferably, the top of mount is provided with two fixed rollers, two be provided with two fixing bases between the fixed roller, and two fixing bases are all fixed to be set up in the top of mount, the fixed oil pipe that is provided with in top of fixing base, the bottom mounting of oil pipe is provided with the intubate, two be provided with the roller that oils between the intubate, the both ends of roller that oils are all fixed and are provided with the fixed pipe, intubate and fixed pipe plug connection, and the intubate has all run through with the lateral wall of fixed pipe and has offered the oilhole.

Preferably, the outer side walls of the feeding cover and the fixed cover are fixedly provided with feeding motors, and the output shafts of the two feeding motors are fixedly connected with one ends of the movable block and the rotating rod respectively.

Preferably, the outer side wall of the oiling roller is provided with a plurality of round holes in a penetrating mode, an oil absorption sponge is arranged on the outer side of the oiling roller in a surrounding mode, an oil storage tank is fixedly arranged at the top end of the oil guide pipe, and a plurality of reversing rollers are arranged in the fixing frame.

Preferably, a connection pipe is disposed between the sleeve 319 and the accommodating space, and the connection pipe is routed along the inner wall of the fixing plate 302 and is in contact connection with the bottom of the connection block 305, and is connected to the accommodating space.

The invention also discloses a method for preparing the nylon 66 hollow fiber by adopting the production device, which comprises the following steps:

firstly, feeding, namely feeding nylon 66 resin particles into a feeding assembly, and conveying the resin particles to a melting assembly through the feeding assembly;

melting, namely melting nylon 66 resin particles through a melting assembly to obtain spinning liquid;

step three, dispersing fibers, enabling melted spinning liquid to flow into a filament forming assembly, and enabling the melted spinning liquid to pass through a filament outlet hole in the filament forming assembly to form fiber filaments, wherein in the process, the fiber filaments form a hollow effect due to the arrangement of a fixing block in the filament outlet hole;

step four, fiber solidification, namely, extracting air near the fiber yarn through an exhaust fan in the yarn forming assembly so as to realize cooling of the fiber yarn and achieve the fiber yarn solidification effect;

fifthly, oiling, namely pulling the solidified fiber yarn to an oiling component to finish oiling, wherein the fiber yarn after oiling can be wound by using a winding machine.

The invention also provides a nylon 66 hollow fiber which is prepared by the method for manufacturing the nylon 66 hollow fiber, and comprises nylon fiber filaments, wherein the nylon fiber filaments are prepared by melting nylon 66 resin particles, and the nylon fiber filaments are arranged into a hollow structure.

The invention has the technical effects and advantages that:

1. according to the invention, the feeding assembly, the melting assembly, the wire forming assembly and the oiling assembly are arranged, the feeding assembly can realize feeding of nylon 66 particles, the feeding assembly can complete feeding work in an intermittent feeding mode so as to ensure synchronous feeding and melting work of the nylon 66 particles, the wire forming assembly is arranged, the melted spinning solution can form hollow fiber wires when passing through the wire forming assembly, thus forming of the nylon 66 hollow fiber wires can be realized, and the oiling assembly is arranged to carry out oiling treatment on the surface of the solidified fiber wires so as to facilitate subsequent collecting work, and the components are matched so as to realize high-efficiency and high-quality preparation of the nylon 66 hollow fiber wires;

2. according to the invention, the filament forming assembly comprises the fixed plate, a plurality of filament outlet holes for forming spinning liquid are formed in the fixed plate, the installation cover is arranged below the fixed plate, the air guide cover is arranged in the installation cover, the through holes are formed in the air guide cover, the air suction fan is arranged on the outer side of the air guide cover, the air in the installation cover can be extracted by the air suction fan, and the heat in the fiber filament can be extracted along with the air, so that the fiber filament can be rapidly cooled, and the direction of the through holes is parallel to the inner wall of the installation cover, so that the fiber filament cannot swing and deform due to the air flowing, and the fiber filament cooling efficiency is improved, and the solidification quality of the fiber filament is ensured;

3. according to the invention, the mode of feeding and melting are integrally carried out, so that the time required by feeding and melting nylon 66 particles is shortened, the molten spinning solution is directly molded, the flowing time of the spinning solution is shortened, the molding effect of the spinning solution is improved, the molded fiber yarn is rapidly cooled and solidified under the action of air suction, the solidifying effect of the fiber yarn is ensured, and the cooling efficiency of the fiber yarn is improved, and therefore, the production efficiency of the nylon 66 hollow fiber yarn is improved, and the oiling treatment is carried out on the solidified fiber yarn, so that the follow-up collection and processing flow are facilitated.

4. The invention solves the technical problem of insufficient heat dissipation in the curing process in the technical scheme of the invention by matching the hollow space, the connecting block, the sleeve, the through hole, the limiting block, the piston, the spring, the connecting block, the heat dissipation barrel, the accommodating space, the through hole, the partition plate, the vertical plate, the exhaust fan, the blowing fan, the first air guide hole, the second air guide hole and the controller, simultaneously, the entering lower temperature can effectively dissipate heat at the middle lower part of the fixed block at first by means of air inlet from the lower space and air exhaust from the upper space, the spinning solution after passing through the connecting block is further solidified, thereby ensuring better fluidity when passing through the connecting block, improving the complete hollow nylon effect after passing through the connecting block, and carrying out further effective heat dissipation to carry out rapid forming after forming complete hollow nylon, simultaneously, the technical scheme is matched, the preparation of various models can be carried out according to the thickness of the nylon pipe wall (namely the thickness between the inner diameter and the outer diameter), the thickness of the nylon pipe wall can be matched automatically, the wind speed of a corresponding blowing fan flows faster when the thickness of the nylon pipe wall is larger, the heat can be dissipated faster, meanwhile, the faster air flow forms larger air pressure so that the piston can be extruded and lifted, the pipe wall nylon structure with larger thickness is obtained by matching with a conical structure, the automatic adjustment of the heat dissipation wind speed according to the pipe wall is realized, the setting of a heat dissipation cylinder is matched, the air flow can be formed in the hollow of nylon, the heat is guided out rapidly through the heat dissipation cylinder, the preparation of the thicker pipe wall can be realized by matching, the preparation speed is improved simultaneously, is no longer affected by insufficient curing.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention.

FIG. 2 is a schematic view of the feeding assembly of the present invention.

FIG. 3 is a schematic cross-sectional view of a feed assembly of the present invention.

FIG. 4 is a schematic view of a fusion module according to the present invention.

Fig. 5 is a schematic structural view of the mounting plate of the present invention.

FIG. 6 is a schematic view of the structure of the filament forming assembly of the present invention.

Fig. 7 is a schematic view of the structure of the extension hood of the present invention.

Fig. 8 is a schematic view of the mounting cover structure of the present invention.

Fig. 9 is a schematic cross-sectional view of the mounting cup structure of the present invention.

Fig. 10 is a schematic structural view of a guide cover according to the present invention.

Fig. 11 is a schematic structural view of the oiling assembly of the present invention.

Fig. 12 is a schematic cross-sectional view of the oiling roller of the present invention.

Fig. 13 is an exploded view of the structure of the oiling roller of the present invention.

Fig. 14 is an enlarged schematic view of the attachment structure of the fixing plate and the fixing block according to the present invention.

In the figure: 1. a feeding assembly; 2. a melting assembly; 3. a filamentization assembly; 4. an oiling assembly; 101. a feeding hopper; 102. a feeding cover; 103. a movable block; 104. a feeding trough; 105. a fixed cover; 106. a discharge chute; 107. a rotating rod; 108. spiral leaves; 109. a feeding motor; 201. a material guiding pipe; 202. a slot; 203. a mounting plate; 204. an electric heating tube; 205. a partition plate; 206. a controller; 301. a material guiding cover; 302. a fixing plate; 303. a wire outlet hole; 304. a fixed block; 305. a connecting block; 306. a mounting cover; 307. a wind scooper; 308. an air guide cavity; 309. an air guide hole; 310. a connection cover; 311. an exhaust fan; 312. an extension cover; 313. a guide roller; 314. a mounting base; 315. an extension block; 316. an upper space; 317. a lower space; 318. a spacer block; 319. a sleeve; 320. a through hole; 321. a piston; 322. a spring; 323. a riser; 324. a heat dissipation cylinder; 325. a via hole; 326. a bottom hole; 327. a top aperture; 328. a connecting pipe; 401. a fixing frame; 402. a fixed roller; 403. a fixing seat; 404. an oil guide pipe; 405. a cannula; 406. oiling roller; 407. a fixed tube; 408. an oil passing hole; 409. a circular hole; 410. an oil absorbing sponge; 411. an oil storage tank; 412. reversing roller.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The invention provides nylon 66 hollow fibers, which comprise nylon fiber filaments, wherein the nylon fiber filaments are prepared by melting nylon 66 resin particles, and the nylon fiber filaments are arranged into a hollow structure.

The invention also provides a device for producing the nylon 66 hollow fiber shown in fig. 1-13, which comprises a feeding component 1, a melting component 2, a wire forming component 3 and an oiling component 4, wherein the oiling component 4 is arranged on one side of the wire forming component 3, the wire forming component 3 is arranged at the bottom end of the melting component 2, and the melting component 2 is arranged at the bottom end of the feeding component 1.

The feeding assembly 1 comprises a feeding hopper 101, the feeding hopper 101 being arranged in a funnel-like structure.

Specifically, the bottom end fixing of feeding hopper 101 is provided with feeding cover 102, and the cross-section of feeding cover 102 sets up to annular structure, the inside of feeding cover 102 is provided with movable block 103, a plurality of feeding grooves 104 have been bypassed to the lateral wall of movable block 103, the bottom end fixing of feeding cover 102 is provided with fixed cover 105, discharge groove 106 has been seted up at the middle part of one side of fixed cover 105, when feeding groove 104 in the movable block 103 outside rotates to feeding cover 102 top, resin granule gets into feeding groove 104 under the effect of gravity, movable block 103 passes through feeding groove 104 and drives the resin granule motion, until the resin granule moves to the bottom of feeding cover 102, the resin granule gets into in the fixed cover 105 under the effect of gravity this moment.

More specifically, the inside of fixed cover 105 is provided with bull stick 107, and the both ends of bull stick 107 are all fixed to be provided with spiral leaf 108, and the blade opposite direction of two spiral leaves 108, and two spiral leaves 108 can carry the resin granule at the inside both ends of fixed cover 105 to its middle part respectively to in the resin granule gets into melting assembly 2 through discharge groove 106, and the side of two spiral leaves 108 all sets up to the toper structure, and the thrust that the resin granule at the inboard middle part of fixed cover 105 received can be reduced in the setting of toper structure, thereby guaranteed the smoothness nature of feed work. The outer side walls of the feeding cover 102 and the fixed cover 105 are fixedly provided with feeding motors 109, and the output shafts of the two feeding motors 109 are fixedly connected with one ends of the movable block 103 and the rotating rod 107 respectively, and the feeding motors 109 can drive the movable block 103 and the rotating rod 107 so as to realize feeding of resin particles;

the melting assembly 2 includes a feed tube 201, the feed tube 201 being disposed below the feed hopper 101.

Specifically, the guide pipe 201 is set to arc structure, slot 202 has been seted up in the lateral wall top of guide pipe 201 running through, slot 202's inside is provided with mounting panel 203, mounting panel 203's inside wall is fixed to be provided with a plurality of electrothermal tubes 204, and electrothermal tube 204 is located the inside of guide pipe 201, mounting panel 203's inside wall bottom mounting is provided with baffle 205, baffle 205 sets up in the inside of guide pipe 201, and a plurality of through-holes have been seted up in the middle part of baffle 205 running through, the spinning solution after melting can flow to the wire assembly 3 through the through-hole, baffle 205 and through-hole cooperation can block unmelted resin particle, in order to avoid producing the influence to the wire of cellosilk.

More specifically, a controller 206 is fixedly disposed in the middle of the outer side surface of the mounting plate 203, and the controller 206 is electrically connected to the electrothermal tube 204, so that the controller 206 can control the electrothermal tube 204.

The filament assembly 3 comprises a material guiding cover 301, and the material guiding cover 301 is arranged at the bottom end of the material guiding pipe 201.

Specifically, the inside of guide cover 301 is fixed and is provided with fixed plate 302, and a plurality of silk outlet holes 303 have been run through to the upper surface of fixed plate 302, and the inside of silk outlet holes 303 is provided with fixed block 304, and the lateral wall of fixed block 304 is provided with a plurality of connecting blocks 305 around, and the fixed inner wall that sets up in silk outlet holes 303 of connecting block 305, and fixed block 304 can play the guide effect to the spinning liquid in the silk outlet holes 303 for the spinning liquid flows downwards with annular structure, thereby can form the inside cavity effect of cellosilk.

More specifically, the cross sections of the fixed block 304 and the filament outlet 303 are both in a conical structure, and the cross section area of the top end of the filament outlet 303 is larger than the cross section area of the bottom end of the filament outlet 303, so that the spinning solution can conveniently flow into the filament outlet 303, and the flow speed of the melt is rapidly increased when the melt is extruded into a small space from a larger space due to the reduction of the cross section area of the spinning solution in the process of flowing in the filament outlet 303, and the temperature is rapidly reduced, so that the hollow fiber filament can be formed. And, the bottom mounting of guide cover 301 is provided with mounting cover 306, the fixed wind scooper 307 that is provided with in middle part of mounting cover 306, the inside of wind scooper 307 is provided with wind guiding cavity 308, a plurality of wind guiding holes 309 have all been seted up in the both ends of wind guiding cavity 308, and wind guiding hole 309 extends to the inside of mounting cover 306, because the direction of wind guiding hole 309 is parallel with the inner wall of mounting cover 306, the inside air of mounting cover 306 flows along the inner wall of mounting cover 306, thereby can avoid the air to flow and cause the cellosilk swing to take place deformation, thereby guaranteed its solidification quality when having promoted cellosilk cooling efficiency.

Moreover, the middle parts of two sides of the wind scooper 307 are fixedly provided with a connecting cover 310, the outer side wall of the connecting cover 310 is provided with an exhaust fan 311, the exhaust fan 311 works to exhaust air in the mahjong wind guiding cavity 308, the air pressure in the wind guiding cavity 308 is reduced after the air is exhausted, the air in the mounting cover 306 is exhausted to the wind guiding cavity 308 through the wind guiding hole 309 under the action of the air pressure, and the air is used for exhausting heat outside the fiber in the flowing process, so that the cooling efficiency of the fiber can be improved.

Simultaneously, the bottom of installing cover 306 is provided with and extends cover 312, and the bottom of extending cover 312 is provided with two deflector rolls 313, and the both ends of deflector roll 313 all are provided with mount pad 314 through the bearing activity, and mount pad 314 is fixed to be set up in the inner wall of installing cover 306, and the both ends of deflector roll 313 all are fixed to be provided with conical structure's extension piece 315, and deflector roll 313 can play the guide effect to the cellosilk after the solidification to guarantee the motion trail after the cellosilk solidification, extension piece 315 can guide the cellosilk towards the centre at deflector roll 313 both ends, in order to realize the collection of cellosilk.

The oiling assembly 4 comprises a fixing frame 401, and the fixing frame 401 is arranged on one side of the material guiding cover 301.

Specifically, two fixing rollers 402 are arranged at the top end of the fixing frame 401, the solidified fiber yarns are stacked below the yarn forming assembly 3 in a loose state, the fiber yarns can be drawn to pass through the two fixing rollers 402 by using a drawing mechanism, and the movement speed of the fiber yarns is ensured to be the same as the solidification forming speed of the fiber yarns when the fiber yarns are drawn, so that the fiber yarns which are not solidified are prevented from being deformed and broken under the action of drawing force.

More specifically, two fixing seats 403 are arranged between two fixing rollers 402, the two fixing seats 403 are fixedly arranged at the top ends of the fixing frames 401, an oil guide pipe 404 is fixedly arranged at the top ends of the fixing seats 403, an insertion pipe 405 is fixedly arranged at the bottom end of the oil guide pipe 404, an oiling roller 406 is arranged between the two insertion pipes 405, the oiling roller 406 is matched with the fixing rollers 402, the clamping of fiber filaments can be achieved, and when the fiber filaments move, the oiling roller 406 can be driven to rotate through friction force so as to ensure the oiling effect.

And, fixed pipe 407 is fixed to both ends of oiling roller 406, and intubate 405 and fixed pipe 407 peg graft and connect, and intubate 405 and fixed pipe 407's lateral wall all run through and have offered oilhole 408, intubate 405 and fixed pipe 407 cooperation for oiling roller 406 can follow the motion of cellosilk and rotate.

Moreover, a plurality of circular holes 409 are formed in the outer side wall of the oiling roller 406 in a penetrating manner, an oil absorption sponge 410 is arranged on the outer side of the oiling roller 406 in a surrounding manner, an oil storage tank 411 is fixedly arranged at the top end of the oil guide pipe 404, when the oil passing holes 408 in the fixed pipe 407 coincide with the oil passing holes 408 in the insertion pipe 405, fiber yarn coating oil in the oil storage tank 411 can enter the oiling roller 406 through the oil passing holes 408, and oil in the oiling roller 406 can pass through the circular holes 409 to reach the surface of the oiling roller 406 and then be absorbed by the oil absorption sponge 410.

Meanwhile, a plurality of reversing rollers 412 are arranged in the fixing frame 401, and the reversing rollers 412 can guide the solidified fiber yarns.

Further, the above technical solution of the present invention can better solve the technical problems of the background art, but there is a room for further improvement, because in the process of actually forming nylon 66, in order to form nylon with different pipe wall thickness, the structure of the guide chute 301 needs to be improved, the size and position of the corresponding fixed block 302 need to be more slid, stable parameters can be obtained through further debugging, meanwhile, in the process of fast preparation and preparation with thicker pipe wall, the subsequent solidification may have adverse effects, because in the process of heat dissipation, mainly through air flow, and the heat dissipation effect at the edge is better than that of the air flow at the middle position, the difference between the temperatures at different positions is more obvious, especially for the nylon 66 preparation with thicker pipe wall, the temperature of the outer wall of nylon is obviously lower than that of the inner wall of nylon, the subsequent solidification process is evenly reduced, and the quality of the product is reduced, especially when the nylon with thicker pipe wall is fast produced, the uniformity problem of the pipe wall thickness of nylon after passing through the connecting block 305, for example, the following technical solution is further solved, in the following technical solution: the fixing plate 302 is internally provided with a hollow space, the hollow space comprises an upper space 316 and a lower space 317, the upper space 316 and the lower space 317 are isolated by a spacer block 318, the separation of air flow can be realized by the separation of the upper space and the lower space, the connecting block 305 penetrates through the fixing plate 302 and is positioned in the upper space 316, so that the support of the connecting pipe can be realized in the upper space through the penetrating arrangement, the adjustment of the pipe wall thickness and the heat dissipation can be realized by matching with the subsequent arrangement, the lower space 317 is internally provided with a sleeve 319, the bottom of the sleeve 319 is provided with a through hole 320 penetrating through the wall of the sleeve, the air flow enters the sleeve 319 through the through hole 320 after entering the lower space, the side wall of the sleeve 319 is provided with a limiting block, the upper end of the limiting block in the sleeve 319 is provided with a piston 321, the arrangement of the limiting block can support the piston 321 well in idle condition, the upper end of the piston 321 is connected with one end of the spring 322, the other end of the spring 322 is connected with the bottom end of the connecting block 305, through the arrangement of the piston 321, the sleeve 319, the spring 322 and the connecting pipe 305, the height of the connecting block 305 can be adjusted according to the subsequent wind speed or air pressure, and then the pipe wall thickness and the heat dissipation speed can be adjusted, the bottom end of the fixed block 304 is provided with the heat dissipation cylinder 324, the fixed block 304 is provided with an accommodating space, the arrangement of the accommodating space can better realize the heat dissipation of the air flow to the lower end of the fixed block 304, the heat dissipation solidification effect is improved, the heat dissipation cylinder 324 is isolated from the accommodating space of the fixed block 304 through the partition plate with the through hole 325, the air flow can enter the heat dissipation cylinder 324 through the through hole 325, the accommodating space of the fixed block 304 is provided with the vertical plate 323 at the central part of the accommodating space, the bottom of riser 323 runs through fixed block 304 and extends to the inside of cooling cylinder 324, the setting of riser 323 makes the air current can form respective air current flow path in fixed block 304 and cooling cylinder 324, makes things convenient for follow-up air current to flow and carries out the heat dissipation solidification, the bottom of riser 323 be circular-arc structure and with the bottom of cooling cylinder 324 has the default distance, be provided with the bottom hole on the circular-arc structure of riser 323, set up connecting space in the riser, connecting block 305 is located the inside part of fixed plate 302 is provided with top hole 327, top hole 327 passes through the inside hollow space connection of connecting block 305 connecting space, circular-arc structure has improved the effect that the air current got into connecting space, and the air current passes through bottom hole 326, connecting space, the inside hollow space of connecting block 305 and top hole 327, and the lateral wall of connecting cover 310 is provided with induced air fan 311 and blowing fan simultaneously, induced air hole 309 includes first induced air hole and second induced air hole 319, first induced air hole and induced air fan 321, thereby the upper and lower air hole 317 are more connected with the connecting pipe wall 317, and the pressure of air induced air hole 317 can be more connected through the upper and lower through the connecting pipe wall 317, thereby the pressure of piston hole is more through the connecting pipe wall 317, the high pressure is adjusted, and the piston hole is more through the position is more connected with the lower through the air induced air hole 317, and is more through the piston hole 317. In order to provide cooling efficiency, the air source of the blowing fan is low-temperature air cooled by the air conditioner, so that the blowing fan can blow the low-temperature air cooled by the air conditioner, and heat exchange efficiency is improved. Specifically, the greater the wind speed, the higher the heat dissipation effect is, and the higher the piston 321 is, the spring 322 and the connecting block 305 are driven to rise, the distance between the bottom of the fixed block 304 and the inner wall of the fixed plate 302 is increased, so as to adjust the thickness of the pipe wall, meanwhile, the air flow entering the sleeve 319 passes through the connecting pipe 328, and in order to reduce the subsequent formation of the hollow nylon, the connecting pipe is connected along the inner wall of the fixed plate 302 and is in contact connection with the bottom of the connecting block 305 and is communicated with the accommodating space, so that the heat dissipation solidification effect is improved in the above manner, and in the invention, the pipe wall thickness is simply and automatically adjusted through the corresponding relation between the built-in air suction fan 311 and the air blowing fan and the pipe wall thickness, so that the controller 206 is also in communication connection with the air suction fan 311 and the air blowing fan is arranged, and the controller can be used for adjusting the wind speed of the air suction fan 311 and/or the air blowing fan according to the wall thickness of the nylon 66. In summary, the invention solves the technical problem of insufficient heat dissipation in the curing process in the technical scheme of the invention through the coordination of the hollow space, the connecting block, the sleeve, the through hole, the limiting block, the piston, the spring, the connecting block, the heat dissipation cylinder, the accommodating space, the through hole, the partition plate, the vertical plate, the exhaust fan, the blowing fan, the first air guide hole, the second air guide hole and the controller, simultaneously, the entering lower temperature can be effectively dissipated at the middle lower part of the fixed block by the way of air intake from the lower space and air exhaust from the upper space, the spinning solution after passing through the connecting block is further solidified, thereby ensuring better fluidity of the spinning solution when passing through the connecting block, improving the effect of forming complete hollow nylon after passing through the connecting block, and further effectively dissipating heat to perform rapid forming after forming complete hollow nylon, simultaneously, the technical scheme is matched, the preparation of various models can be carried out according to the thickness of the nylon pipe wall (namely the thickness between the inner diameter and the outer diameter), the thickness of the nylon pipe wall can be matched automatically, the wind speed of a corresponding blowing fan flows faster when the thickness of the nylon pipe wall is larger, the heat can be dissipated faster, meanwhile, the faster air flow forms larger air pressure so that the piston can be extruded and lifted, the pipe wall nylon structure with larger thickness is obtained by matching with a conical structure, the automatic adjustment of the heat dissipation wind speed according to the pipe wall is realized, the setting of a heat dissipation cylinder is matched, the air flow can be formed in the hollow of nylon, the heat is guided out rapidly through the heat dissipation cylinder, the preparation of the thicker pipe wall can be realized by matching, the preparation speed is improved simultaneously, is no longer affected by insufficient curing.

The invention also provides a method for manufacturing the nylon 66 hollow fiber, which comprises the following steps:

firstly, feeding, namely feeding nylon 66 resin particles into a feeding assembly 1, and conveying the resin particles to a melting assembly 2 through the feeding assembly 1;

when the feeding assembly 1 feeds nylon 66 resin particles, the nylon 66 resin particles are put into the feeding hopper 101, the resin particles in the feeding hopper 1 slide to the top end of the feeding cover 102 under the action of gravity, at the moment, the feeding motor 109 drives the movable block 103 to rotate, when the feeding trough 104 outside the movable block 103 rotates to the top end of the feeding cover 102, the resin particles enter the feeding trough 104 under the action of gravity, the movable block 103 drives the resin particles to move through the feeding trough 104 until the resin particles move to the bottom end of the feeding cover 102, at the moment, the resin particles enter the fixed cover 105 under the action of gravity, at the moment, the feeding motor 109 drives the rotating rod 107 to rotate, the rotating rod 107 drives the spiral blade 108 to rotate, and the spiral blade 108 conveys the resin particles in the fixed cover 105 to the discharge trough 106 in the middle of the fixed cover 105, at the moment, and the resin particles enter the melting assembly 2 through the discharge trough 106;

melting, namely melting nylon 66 resin particles through a melting assembly 2 to obtain spinning liquid;

after the resin particles enter the melting assembly 2, the resin particles slide along the material guide pipe 201, at the moment, the electric heating pipe 204 heats the resin particles, so that the resin particles are heated and melted to form spinning solution, and the spinning solution flows to the filament forming assembly 3 through the through holes on the partition plate 205, and the feeding assembly 1 conveys the nylon 66 particles in an intermittent feeding mode, so that the proportions of the melted resin particles and the fed resin particles in the material guide pipe 201 are the same, the feeding efficiency of the resin particles is ensured, and meanwhile, the melting effect of the resin particles is ensured;

step three, dispersing fibers, enabling melted spinning liquid to flow into a fiber forming assembly 3 and pass through a fiber outlet 303 in the fiber forming assembly 3 to form fiber filaments, wherein in the process, the fiber filaments form a hollow effect due to the arrangement of a fixing block 304 in the fiber outlet 303;

after entering the filament forming assembly 3, the spinning solution falls on the surface of the fixed plate 302, then flows downwards along the filament outlet 303 on the fixed plate 302, after entering the filament outlet 303, the fixed block 304 in the filament outlet 303 guides the spinning solution so that the spinning solution flows downwards in a ring-shaped structure, and the spinning solution moves downwards after passing through the filament outlet 303, at the moment, the temperature of the spinning solution is reduced to form a semi-solidification effect, and at the moment, the spinning solution is semi-solidified to form hollow fiber filaments;

step four, fiber solidification, wherein air near the fiber is extracted by an exhaust fan 311 in the fiber forming assembly 3 so as to realize cooling of the fiber and achieve the fiber solidification effect;

after the spinning solution forms hollow fiber yarns, the hollow fiber yarns continuously move downwards under the action of gravity, at the moment, heat on the hollow fiber yarns is transmitted to the air in a heat transfer mode, at the moment, the air in the air guide cavity 308 is pumped out by the working of the air draft fan 311, the air pressure of the air in the air guide cavity 308 is reduced after the air is pumped out, the air in the installation cover 306 is pumped into the air guide cavity 308 through the air guide holes 309 under the action of the air pressure, the heat on the outer sides of the fiber yarns is pumped out by the air in the flowing process, so that the cooling efficiency of the fiber yarns can be improved, and the air in the installation cover 306 flows along the inner wall of the installation cover 306 due to the fact that the direction of the air guide holes 309 is parallel to the inner wall of the installation cover 306, so that the swing deformation of the fiber yarns caused by the air flow can be avoided, and the cooling efficiency of the fiber yarns is improved, and the solidification quality of the fiber yarns is ensured;

fifthly, oiling, namely drawing the solidified fiber yarn to an oiling component 4 to finish oiling work, wherein the fiber yarn after oiling can be coiled by a coiling machine;

the formed fiber yarn enters the oiling assembly 4 through the traction mechanism and the reversing roller 412, when the fiber yarn passes through the space between the fixed roller 402 and the oiling roller 406, the fiber yarn drives the oiling roller 406 to rotate, the oiling roller 406 drives the fixed pipe 407 to rotate, when the oil passing hole 408 on the fixed pipe 407 coincides with the oil passing hole 408 on the insertion pipe 405, the fiber yarn coating oil in the oil storage tank 411 can enter the oiling roller 406 through the oil passing hole 408, and the oil in the oiling roller 406 can pass through the round hole 409 to reach the surface of the oiling roller 406 and then be absorbed by the oil absorbing sponge 410, and when the fiber yarn passes through the oil absorbing sponge 410, the oil absorbing sponge 410 can coat the oil on the surface of the fiber yarn, so that oiling work is completed.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.

Claims (10)

1. The device for producing the nylon 66 hollow fiber is characterized by comprising a feeding component (1), a melting component (2), a filament forming component (3) and an oiling component (4);

the feeding assembly (1) comprises a feeding hopper (101), and the feeding hopper (101) is arranged into a funnel-shaped structure; the melting assembly (2) comprises a material guide pipe (201), and the material guide pipe (201) is arranged below the feeding hopper (101); the wire forming assembly (3) comprises a material guide cover (301) and a fixing plate (302), wherein the material guide cover (301) is arranged at the bottom end of the material guide pipe (201); the oiling assembly (4) comprises a fixing frame (401), and the fixing frame (401) is arranged on one side of the material guide cover (301);

the inside of the guide cover (301) is fixedly provided with a fixing plate (302), the upper surface of the fixing plate (302) is provided with a plurality of wire outlet holes (303) in a penetrating mode, the inside of each wire outlet hole (303) is provided with a fixing block (304), the outer side wall of each fixing block (304) is provided with a plurality of connecting blocks (305) in a surrounding mode, the connecting blocks (305) are fixedly arranged on the inner wall of each wire outlet hole (303), and the cross sections of the fixing blocks (304) and the cross sections of the wire outlet holes (303) are of conical structures;

the material guiding device comprises a material guiding cover (301), wherein an installation cover (306) is fixedly arranged at the bottom end of the material guiding cover (301), a wind guiding cover (307) is fixedly arranged in the middle of the installation cover (306), a wind guiding cavity (308) is arranged in the wind guiding cover (307), a plurality of wind guiding holes (309) are formed in the two ends of the wind guiding cavity (308) in a penetrating mode, the wind guiding holes (309) extend to the inside of the installation cover (306), connecting covers (310) are fixedly arranged in the middle of two sides of the wind guiding cover (307), and exhaust fans (311) are arranged on the outer side walls of the connecting covers (310);

the bottom of installing cover (306) is provided with extends cover (312), the bottom of extending cover (312) is provided with two deflector rolls (313), the both ends of deflector roll (313) all are provided with mount pad (314) through the bearing activity, and mount pad (314) fixed set up in the inner wall of installing cover (306), the both ends of deflector roll (313) are all fixed and are provided with tapered structure's extension piece (315).

2. The apparatus for producing nylon 66 hollow fiber according to claim 1, wherein: the inside of the fixed plate (302) is provided with a hollow space, the hollow space comprises an upper space (316) and a lower space (317), the upper space (316) and the lower space (317) are isolated by a spacer block (318), the connecting block (305) penetrates through the fixed plate (302) and is positioned in the upper space (316), a sleeve (319) is arranged in the lower space (317), the bottom of the sleeve (319) is provided with a through hole (320) penetrating through the wall of the sleeve, the side wall of the sleeve (319) is provided with a limiting block, the sleeve (319) is positioned at the upper end of the limiting block, one end of a spring (322) is connected with the upper end of the piston (321), the other end of the spring (322) is connected with the bottom end of the connecting block (305), a cooling cylinder (324) is arranged at the bottom end of the fixed block (304), the fixed block (304) is provided with an accommodating space, the cooling cylinder (324) and the accommodating space of the fixed block (304) are isolated by a partition plate (325) with a through hole (325), the fixed block (321) is positioned in the vertical space and extends to the bottom of the fixed plate (323) and is positioned in the vertical space (323), the bottom of the vertical plate (323) is of an arc-shaped structure and has a preset distance from the bottom of the radiating cylinder (324), a bottom hole is formed in the arc-shaped structure of the vertical plate (323), a connecting space is formed in the vertical plate, a top hole (327) is formed in the part, located inside the fixed plate (302), of the connecting block (305), and the top hole (327) is connected with the connecting space through the hollow space inside the connecting block (305);

the lateral wall of connecting cover (310) is provided with air extraction fan (311) simultaneously and blows the fan, wind guiding hole (309) include first wind guiding hole and second wind guiding hole, first wind guiding hole with air extraction fan (311) intercommunication, the second wind guiding hole with blow the fan intercommunication, the second wind guiding hole still through the connecting pipe with lower space (317) intercommunication, first wind guiding hole still with upper space (316) intercommunication.

3. The production apparatus for nylon 66 hollow fiber according to claim 2, wherein: the controller (206) is also in communication connection with the suction fan (311) and the blowing fan, and can be used for adjusting the wind speed of the suction fan (311) and/or the blowing fan according to the wall thickness of nylon (66);

the bottom end fixing of feeding hopper (101) is provided with feeding cover (102), and the cross-section of feeding cover (102) sets up to annular structure, the inside of feeding cover (102) is provided with movable block (103), a plurality of feeding grooves (104) have been seted up around the lateral wall of movable block (103), the bottom end fixing of feeding cover (102) is provided with fixed cover (105), discharge groove (106) have been seted up at the one side middle part of fixed cover (105), the inside of fixed cover (105) is provided with bull stick (107), the both ends of bull stick (107) are all fixed to be provided with helical blade (108), and two the blade opposite direction of helical blade (108), and the side of two helical blade (108) all sets up to conical structure.

4. The apparatus for producing nylon 66 hollow fiber according to claim 1, wherein: the utility model discloses a guide pipe, including guide pipe (201), slot (202) have been seted up in the lateral wall top of guide pipe (201), the inside of slot (202) is provided with mounting panel (203), the inside wall of mounting panel (203) is fixed to be provided with a plurality of electrothermal tubes (204), and electrothermal tube (204) are located the inside of guide pipe (201), the inside wall bottom mounting of mounting panel (203) is provided with baffle (205), baffle (205) set up in the inside of guide pipe (201), and the middle part of baffle (205) runs through and has seted up a plurality of through-holes, the lateral surface middle part of mounting panel (203) is fixed to be provided with controller (206), and controller (206) and electrothermal tube (204) electric connection.

5. The apparatus for producing nylon 66 hollow fiber according to claim 1, wherein: the oil guide device is characterized in that two fixed rollers (402) are arranged at the top end of the fixing frame (401), two fixed seats (403) are arranged between the fixed rollers (402), the two fixed seats (403) are fixedly arranged at the top end of the fixing frame (401), an oil guide pipe (404) is fixedly arranged at the top end of the fixed seat (403), an inserting pipe (405) is fixedly arranged at the bottom end of the oil guide pipe (404), an oiling roller (406) is arranged between the inserting pipe (405), fixed pipes (407) are fixedly arranged at two ends of the oiling roller (406), the inserting pipe (405) is connected with the fixed pipes (407) in an inserting mode, and oil holes (408) are formed in the outer side walls of the inserting pipe (405) and the fixed pipes (407) in a penetrating mode.

6. The production apparatus for nylon 66 hollow fiber according to claim 2, wherein: the outer side walls of the feeding cover (102) and the fixed cover (105) are fixedly provided with feeding motors (109), and output shafts of the two feeding motors (109) are fixedly connected with one ends of the movable block (103) and the rotating rod (107) respectively.

7. The apparatus for producing nylon 66 hollow fiber according to claim 5, wherein: the oil suction device is characterized in that a plurality of circular holes (409) are formed in the outer side wall of the oil feeding roller (406) in a penetrating mode, an oil suction sponge (410) is arranged on the outer side of the oil feeding roller (406) in a surrounding mode, an oil storage tank (411) is fixedly arranged at the top end of the oil guide pipe (404), and a plurality of reversing rollers (412) are arranged in the fixing frame (401).

8. The production apparatus for nylon 66 hollow fiber according to claim 2, wherein: a connection pipe is disposed between the sleeve 319 and the accommodating space, and the connection pipe is routed along the inner wall of the fixing plate 302, is in contact connection with the bottom of the connection block 305, and is communicated to the accommodating space.

9. The method for producing nylon 66 hollow fiber by using the production apparatus according to any one of claims 1 to 8, comprising the steps of:

firstly, feeding, namely feeding nylon 66 resin particles into a feeding assembly (1), and conveying the resin particles to a melting assembly (2) through the feeding assembly (1);

melting, namely melting nylon 66 resin particles through a melting assembly (2) to obtain spinning liquid;

step three, dispersing fibers, enabling melted spinning liquid to flow into a filament forming assembly (3) and pass through a filament outlet (303) in the filament forming assembly (3) to form fiber filaments, wherein in the process, the fiber filaments form a hollow effect due to the arrangement of a fixing block (304) in the filament outlet (303);

step four, fiber solidification, wherein air near the fiber is extracted through an exhaust fan (311) in the fiber forming assembly (3) so as to realize cooling of the fiber and achieve the fiber solidification effect;

fifthly, oiling, namely drawing the solidified fiber yarn to an oiling component (4) to finish oiling work, wherein the fiber yarn after oiling can be coiled by using a coiling machine.

10. A nylon 66 hollow fiber prepared by the method of claim 9, comprising nylon fiber filaments, wherein the nylon fiber filaments are prepared by melting nylon 66 resin particles, and the nylon fiber filaments are arranged into a hollow structure.

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