Temperature linear control system and method for spandex preparation

Abstract

The present invention relates to the technical field of spandex manufacturing, and specifically discloses a temperature linear control system and method for spandex preparation, comprising a temperature control mechanism arranged on the top of a base and a traction roller fixedly arranged on the top of the base. The temperature control mechanism comprises: the present invention gradually reduces the thickness of a material guide frame from a side close to an extruder to a side far from the extruder, and the material guide frame is made of a heat-conducting material, so that the heat loss rate gradually increases from the side of the material guide frame close to the extruder to the side far from the extruder, thereby achieving linear heat loss in the material guide frame, linearly cooling the extruded nascent spandex fiber, avoiding sudden cooling of the extruded nascent spandex fiber and affecting its performance, and conveniently scraping water droplets attached to the top of the inner wall of a material guide groove through a scraping mechanism to avoid the water droplets falling on the nascent spandex fiber, thereby avoiding affecting subsequent processing.

Description

Technical Field

[0001] The invention relates to the technical field of spandex manufacturing, in particular to a temperature linear control system and method for spandex preparation. Background Art

[0002] Spandex is an elastic fiber characterized by high elasticity, good recovery, abrasion resistance, and acid and alkali resistance. It is widely used in clothing, medical treatment, automotive and other fields. In the field of chemical raw materials, spandex is mainly produced by dry and wet methods.

[0003] The dry process of manufacturing spandex mainly uses polyester chips as raw materials, and is made through processes such as drying, melting, extrusion, stretching, and winding. During the specific manufacturing process, the dried polyester chips are added to the extruder, heated and melted to form a uniform melt, and extruded. The melt is extruded into filaments through the discharge nozzle of the extruder to form spun fibers, which are then stretched and wound to obtain the finished spandex. After the spandex raw material, namely the polyester chips, is melted and extruded, the spun fibers formed by extrusion need to be cooled for subsequent processing.

[0004] Chinese patent publication number CN116465178A discloses a multi-channel conduction drying device and process for preparing spandex core-spun yarn. By passing the yarn horizontally through a spreading device into a metal pipe and then exiting horizontally from the transverse metal pipe, the spandex core-spun yarn is ensured to be in a horizontal position within the metal pipe, ensuring uniform heating. Furthermore, the multi-channel conduction drying design ensures drying efficiency. However, the existing technology has the following problems:

[0005] When existing equipment cools down nascent spandex fibers, it is not convenient to perform linear temperature control, which easily leads to a large temperature span of the nascent spandex fibers. In addition, when the fibers are passed through a metal pipe for temperature control, a large amount of water droplets may adhere to the inner wall of the metal pipe due to the temperature difference between the inside and outside of the metal pipe and drip onto the fibers, affecting the actual processing. Therefore, there are certain shortcomings. To solve the above problems, a temperature linear control system and method for spandex preparation are proposed. Summary of the Invention

[0006] In order to overcome the shortcomings of the above-mentioned prior art, a temperature linear control system and method for spandex preparation are provided. By setting heat conduction areas with different performances, linear temperature control of the melted nascent spandex fibers is facilitated, and water droplets are prevented from falling on the nascent spandex fibers, thereby facilitating actual spandex production and use.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a temperature linear control system for spandex preparation, comprising an extruder and a base arranged on one side of the extruder, wherein the extruder is used to extrude spandex raw materials to form nascent spandex fibers, and further comprising a temperature control mechanism arranged on the top of the base and a traction roller fixedly arranged on the top of the base, wherein the temperature control mechanism comprises:

[0008] The material guide frame is arranged on the top of the base. Under the traction of the traction roller, the spun spandex fibers extruded by the extruder are transported through the inner side of the material guide frame. A water cooling component is provided on the top of the base. The flow direction of the coolant of the water cooling component is opposite to the transmission direction of the spun spandex fibers. The thickness of the material guide frame gradually decreases from the side close to the extruder to the side away from the extruder. The material guide frame is made of heat-conducting material. A scraping mechanism is provided on the side of the material guide frame away from the extruder.

[0009] The heat transfer component is arranged on the outer wall of the extruder body, and is used to heat the spandex raw material in the extruder, and transfer the residual heat to the material guide frame, and adjust the residual heat temperature through the water cooling component. The scraping mechanism includes:

[0010] A scraping assembly is provided on the inner wall of the material guide frame and is used to scrape the water droplets liquefied on the top of the inner wall of the material guide frame;

[0011] The water scraping assembly is arranged at the upper end of the material guide frame away from the extruder, and is used for scraping and draining the water scraped by the cleaning assembly.

[0012] Furthermore, the heat delivery component includes:

[0013] A blower is fixedly mounted on the top of the extruder, and a first air guide pipe is fixedly mounted on the exhaust end of the blower;

[0014] The sleeve is fixedly mounted on the outer wall of the extruder body, and an electric heating coil is fixedly provided between the sleeve and the extruder body for heating the spandex raw material in the extruder, and a gap is left between the sleeve and the extruder body. The first air guide plate and the second air guide plate are fixedly mounted on both ends of the outer wall of the sleeve, and both the first air guide plate and the second air guide plate are hollow in design and are connected to the interior of the sleeve. The exhaust end of the first air guide pipe extends into the first air guide plate, and the inner wall of the second air guide plate is fixedly provided with a second air guide pipe extending to the outside of the second air guide plate.

[0015] Furthermore, the heat delivery component further comprises:

[0016] The air guide frame is fixedly arranged at the middle end of the material guide frame on one side close to the extruder, and the inner wall of the air guide frame is sleeved on the outer wall of the extruder discharge nozzle. The nascent spandex fiber extruded by the extruder is transmitted into the material guide frame through the inner side of the air guide frame. The air guide frame is hollow in design, and a rectangular array of air guide holes is provided on one side of the air guide frame located on the inner side of the material guide frame. The exhaust end of the second air guide pipe extends into the air guide frame, and the wind generated by the blower is transmitted into the material guide frame through the first air guide pipe, the first air guide plate, the sleeve, the second air guide plate, the second air guide pipe and the air guide frame.

[0017] Furthermore, the water cooling component includes:

[0018] The box body is fixedly arranged on the top of the base and is used to store the coolant. The drainage end of the box body is fixedly provided with a pump body, the drainage end of the pump body is fixedly provided with a first water guide pipe, and the water inlet end of the box body is fixedly provided with a second water guide pipe;

[0019] The shell is fixedly arranged at the top and bottom of the material guide frame. The drainage end of the first water pipe and the water inlet end of the second water pipe both extend into the shell. The first water pipe is located on the side of the material guide frame away from the extruder, and the second water pipe is located on the side of the material guide frame close to the extruder. The shell located at the bottom of the material guide frame is fixedly connected to the top of the box.

[0020] Further, the scraping assembly includes:

[0021] A chute is provided on both sides of the inner wall of the material guide frame, and a slider is placed inside the chute. A threaded rod is rotatably connected to the inner walls of both sides of one of the chute, and one end of the threaded rod extends outside the material guide frame. The side wall of one end of the threaded rod located in the chute is threadedly connected to the slider inside the chute;

[0022] The servo motor is fixedly arranged on the outside of the material guide frame, and the output shaft of the servo motor is transmission-connected to one end of the threaded rod outside the material guide frame through a bevel gear.

[0023] Furthermore, the scraping assembly further includes:

[0024] The U-shaped connecting frame is fixed on the top of the two sliders for connecting the two sliders. A connecting piece is fixed on the inner side of the U-shaped connecting frame. A support plate is fixed on the side of the connecting piece away from the U-shaped connecting frame. The top of the support plate is sleeved with horizontally arranged support rods, and the bottoms of the support rods extend to the bottom of the support plate. One end of the support rod at the bottom of the support plate is fixed with a limit block for limiting the support rod. One end of the support rod at the top of the support plate is fixed with a scraper, and the side wall of the end of the support rod at the top of the support plate is sleeved with a spring for elastically supporting the scraper so that the top of the scraper fits against the top of the inner wall of the material guide frame.

[0025] Furthermore, the wiper assembly includes:

[0026] The wiper housing is fixedly arranged at the upper end of the side of the material guide frame away from the extruder. A pressure plate for squeezing the scraper is fixedly arranged on the top of the inner wall of the wiper housing. The bottom inner wall of the wiper housing is designed to be inclined, and a water guide groove is opened on the bottom inner wall of the wiper housing with the same inclination as the bottom inner wall of the wiper housing. The outer wall of the wiper housing is opened with a water guide groove;

[0027] The arc-shaped water guide plate is fixedly provided with the outer wall of the wiper shell and is located at the bottom of the water guide groove. The outer wall of the wiper shell and the outside of the arc-shaped water guide plate are fixedly provided with a guide pipe. The water in the wiper shell is transmitted to the arc-shaped water guide plate through the water guide groove, and then transmitted to the guide pipe through the arc-shaped water guide plate.

[0028] Furthermore, the height at which the traction roller pulls the spun spandex fiber is consistent with the extrusion height of the extruder, and both are located at the inner middle end of the material guide frame. When the traction roller pulls the spun spandex fiber through the inner side of the material guide frame, the spun spandex fiber does not contact the inner side wall of the material guide frame.

[0029] Furthermore, a method for using a temperature linear control system for spandex production is provided, wherein the method comprises the following steps:

[0030] S1: The spandex raw material in the extruder is heated by a heat supply mechanism, so that the spandex raw material is extruded through the extruder to produce nascent spandex fibers. The nascent spandex fibers are then transported through a material guide frame under the traction of a traction roller;

[0031] S2: The heat transfer mechanism transfers the waste heat from the extruder to the material guide frame. Since the thickness of the material guide frame gradually decreases from the side close to the extruder to the side far from the extruder, and the material guide frame is made of heat-conducting material, the heat in the material guide frame is linearly lost, and the extruded nascent spandex fiber is linearly cooled.

[0032] S3: The heat in the material guide frame is cooled by water through a water cooling component, so that the temperature of the spun spandex fiber reaches a predetermined temperature, and the heat in the material guide frame is assisted to be lost linearly by making the flow direction of the coolant of the water cooling component opposite to the transmission direction of the spun spandex fiber, thereby linearly cooling the spun spandex fiber at a predetermined temperature.

[0033] Furthermore, in step S1, the speed at which the traction roller draws the spun spandex fiber is consistent with the extrusion speed of the extruder.

[0034] The present invention provides a temperature linear control system and method for spandex production. Compared with the prior art, it has the following advantages:

[0035] 1. The present invention gradually reduces the thickness of the material guide frame from the side close to the extruder to the side far from the extruder, and the material guide frame is made of heat-conducting material, so that the heat loss rate gradually becomes faster from the side of the material guide frame close to the extruder to the side far from the extruder, thereby achieving linear heat loss in the material guide frame, linearly cooling the extruded spun spandex fiber, avoiding sudden cooling of the extruded spun spandex fiber and affecting its performance, and facilitates scraping water droplets attached to the top of the inner wall of the material guide groove through the scraping mechanism to avoid water droplets falling on the spun spandex fiber, thereby avoiding affecting subsequent processing.

[0036] 2. The present invention uses a water cooling component to cool the heat of the material guide frame, so that the temperature inside the material guide frame reaches a temperature suitable for the molding of spun spandex fibers, thereby improving the stability of the spun spandex fibers after extrusion molding. Moreover, by making the flow direction of the coolant of the water cooling component opposite to the transmission direction of the spun spandex fibers, the cooling effect on the material guide frame gradually decreases from the side of the material guide frame away from the extruder to the side close to the extruder, thereby assisting the linear loss of heat in the material guide frame, and then linearly cooling the spun spandex fibers at a predetermined temperature, thereby ensuring the cooling effect and thus ensuring the stability of the spun spandex fibers molding.

[0037] 3. The present invention uses the scraper of the scraping assembly to scrape the water droplets attached to the top of the inner wall of the material guide frame to prevent the water droplets from falling on the nascent spandex fibers. The support rod is sleeved on the top of the support plate, and the side wall of the support rod is sleeved with a spring. When the scraper moves, the top of the scraper is always in contact with the top of the inner wall of the material guide frame, thereby ensuring the cleaning effect.

[0038] 4. The present invention squeezes out the water in the scraper through the wiper assembly, which is convenient for long-term use of the scraper for cleaning. The bottom inner wall of the wiper housing is designed to be inclined, and the bottom inner wall of the wiper housing is provided with a water guide groove with the same inclination as the bottom inner wall of the wiper housing, so as to prevent water from entering the wiper housing through the scraper and flowing out. The water in the wiper housing is conveniently transferred to the guide pipe through the water guide groove and the arc-shaped water guide plate, and discharged through the guide pipe, thereby draining the cleaned water and preventing it from falling on the nascent spandex fiber. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 This is a schematic diagram of the overall structure of the temperature linear control system suitable for spandex production according to the present invention;

[0040] Figure 2 This is a schematic structural diagram of the heat delivery component of the present invention;

[0041] Figure 3 This is a schematic diagram of the cross-sectional structure of the casing of the present invention;

[0042] Figure 4 For the present invention Figure 3Schematic diagram of the enlarged structure of A in the middle;

[0043] Figure 5 Schematic diagram of the material guide frame and the air guide frame structure of the present invention;

[0044] Figure 6 This is a schematic cross-sectional structural diagram of the material guide frame of the present invention;

[0045] Figure 7 This is a schematic structural diagram of the scraping assembly of the present invention;

[0046] Figure 8 For the present invention Figure 7 Schematic diagram of the enlarged structure of B;

[0047] Figure 9 This is a schematic cross-sectional structural diagram of the wiper housing of the present invention;

[0048] Figure 10 For the present invention Figure 9 Schematic diagram of the enlarged structure of C in the middle;

[0049] Figure 11 This is a schematic diagram of the exploded structure of the scraping assembly of the present invention;

[0050] Figure 12 This is a schematic structural diagram of the water cooling assembly of the present invention;

[0051] Figure 13 It is a schematic diagram of the cutaway structure of the material guide frame of the present invention.

[0052] Reference numerals in the above drawings: 1. extruder; 2. temperature control mechanism; 3. scraping mechanism; 4. traction roller;

[0053] 21. Material guide frame; 22. Heat delivery component; 23. Water cooling component;

[0054] 221, air guide frame; 222, sleeve; 223, first air guide plate; 224, blower; 225, second air guide plate; 226, electric heating coil;

[0055] 231. Pump body; 232. First water conduit; 233. Second water conduit; 234. Tank body;

[0056] 31. Wiper assembly; 32. Cleaning and scraping assembly;

[0057] 311, wiper housing; 312, pressure plate; 313, guide pipe; 314, water guide trough; 315, curved water guide plate;

[0058] 321. Scraper; 322. Support plate; 323. U-shaped connecting frame; 324. Connector; 325. Threaded rod; 326. Servo motor; 327. Limit block; 328. Support rod. DETAILED DESCRIPTION

[0059] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0060] Example 1: Please refer to Figure 1 , a temperature linear control system for spandex preparation includes an extruder 1 and a base arranged on one side of the extruder 1, the extruder 1 is used to extrude spandex raw materials to form nascent spandex fibers, and also includes a temperature control mechanism 2 arranged on the top of the base and a traction roller 4 fixed on the top of the base.

[0061] The spandex raw material is extruded through the discharge nozzle of the extruder 1 to produce nascent spandex fibers. The nascent spandex fibers are then transported through the material guide frame 21 under the traction of the traction roller 4 .

[0062] See also Figure 1 and Figure 13 , the temperature control mechanism 2 includes;

[0063] A material guide frame 21 is provided on top of the base. Under the traction of the traction roller 4, the spun spandex fibers extruded from the extruder 1 are transported through the inner side of the material guide frame 21. A water cooling assembly 23 is provided on the top of the base. The flow direction of the coolant in the water cooling assembly 23 is opposite to the transmission direction of the spun spandex fibers. The thickness of the material guide frame 21 gradually decreases from the side close to the extruder 1 to the side away from the extruder 1. The material guide frame 21 is made of a heat-conducting material. A scraping mechanism 3 is provided on the side of the material guide frame 21 away from the extruder 1.

[0064] The heat transfer component 22 is provided on the outer wall of the extruder 1 and is used to heat the spandex raw material in the extruder 1 and transfer the residual heat to the material guide frame 21 , and adjust the residual heat temperature through the water cooling component 23 .

[0065] See also Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 , the heat delivery component 22 includes;

[0066] The blower 224 is fixedly mounted on the top of the extruder 1, and a first air guide pipe is fixedly mounted on the exhaust end of the blower 224;

[0067] The sleeve 222 is fixedly sleeved on the outer wall of the simplified body of the extruder 1. An electric heating coil 226 is fixedly provided between the sleeve 222 and the simplified body of the extruder 1 for heating the spandex raw material in the extruder 1. A gap is left between the sleeve 222 and the simplified body of the extruder 1. The first air guide plate 223 and the second air guide plate 225 are fixedly sleeved on both ends of the outer wall of the sleeve 222. The first air guide plate 223 and the second air guide plate 225 are both hollow in design and are both connected to the interior of the sleeve 222. The exhaust end of the first air guide pipe extends into the first air guide plate 223, and the inner wall of the second air guide plate 225 is fixedly provided with a second air guide pipe extending to the outside of the second air guide plate 225.

[0068] The heat delivery component 22 also includes;

[0069] The air guide frame 221 is fixedly arranged at the middle end of the material guide frame 21 on one side close to the extruder 1, and the inner wall of the air guide frame 221 is sleeved on the outer wall of the discharge nozzle of the extruder 1. The nascent spandex fiber extruded by the extruder 1 is transmitted into the material guide frame 21 through the inner side of the air guide frame 221. The air guide frame 221 is hollow in design, and a rectangular array of air guide holes is provided on one side of the air guide frame 221 located on the inner side of the material guide frame 21. The exhaust end of the second air guide pipe extends into the air guide frame 221, and the wind force generated by the blower 224 is transmitted to the material guide frame 21 through the first air guide pipe, the first air guide plate 223, the sleeve 222, the second air guide plate 225, the second air guide pipe and the air guide frame 221.

[0070] In a specific implementation, the body of the extruder 1 is heated by the electric heating coil 226, thereby heating the spandex raw material in the extruder 1. Since there is a gap between the sleeve 222 and the body of the extruder 1, the blower 224 generates wind power, which is transmitted to the space between the sleeve 222 and the body of the extruder 1 through the first air guide pipe and the first air guide plate 223, thereby transmitting the heat of the electric heating coil 226 along with the wind power through the second air guide plate 225 and the second air guide pipe to the air guide frame 221, and then through the air guide The air guide holes of the frame 221 are transmitted to the material guide frame 21. Since the thickness of the material guide frame 21 gradually decreases from the side close to the extruder 1 to the side far away from the extruder 1, and the material guide frame 21 is made of heat-conducting material, the heat loss rate gradually becomes faster from the side of the material guide frame 21 close to the extruder 1 to the side far away from the extruder 1, so that the heat in the material guide frame 21 is linearly lost, and the extruded spun spandex fiber is linearly cooled, so as to avoid the extruded spun spandex fiber from being suddenly cooled and affecting its performance.

[0071] The inner wall of the air guide frame 221 is sleeved on the outer wall of the discharge nozzle of the extruder 1 and fits closely with the outer wall of the discharge nozzle of the extruder 1 to prevent wind from diffusing outwards between the air guide frame 221 and the discharge nozzle of the extruder 1 and affecting use.

[0072] See also Figure 12 , the water cooling assembly 23 includes;

[0073] The box body 234 is fixedly provided on the top of the base and is used to store the coolant. The drainage end of the box body 234 is fixedly provided with the pump body 231. The drainage end of the pump body 231 is fixedly provided with the first water conduit 232. The water inlet end of the box body 234 is fixedly provided with the second water conduit 233.

[0074] The shell is fixedly arranged at the top and bottom of the material guide frame 21. The drainage end of the first water pipe 232 and the water inlet end of the second water pipe 233 both extend into the shell, and the first water pipe 232 is located on the side of the material guide frame 21 away from the extruder 1, and the second water pipe 233 is located on the side of the material guide frame 21 close to the extruder 1. The shell located at the bottom of the material guide frame 21 is fixedly connected to the top of the box body 234.

[0075] During specific implementation, the cooling liquid in the box 234 is pumped into the pump body 231 through the pump body 231, and discharged into the shells at the top and bottom of the material guide frame 21 through the drainage end of the pump body 231 and the first water pipe 232, and then discharged into the box 234 through the second water pipe 233, so as to circulate, thereby cooling the heat of the material guide frame 21, so that the temperature in the material guide frame 21 reaches a predetermined temperature, that is, a temperature suitable for the molding of the spun spandex fiber, thereby improving the stability of the spun spandex fiber after extrusion molding, and by making the coolant flow direction of the water cooling component 23 opposite to the transmission direction of the spun spandex fiber, that is, the cooling effect in the material guide frame 21 gradually decreases from the side of the material guide frame 21 away from the extruder 1 to the side close to the extruder 1, thereby assisting the linear loss of heat in the material guide frame 21, and then linearly cooling the spun spandex fiber at a predetermined temperature, ensuring the cooling effect, thereby ensuring the stability of the spun spandex fiber molding.

[0076] The height at which the traction roller 4 pulls the spun spandex fiber is consistent with the extrusion height of the extruder 1, and both are located at the inner middle end of the material guide frame 21, which does not affect the normal use of the heat delivery component 22 and the scraping mechanism 3. When the traction roller 4 pulls the spun spandex fiber through the inner side of the material guide frame 21, the spun spandex fiber does not contact the inner side wall of the material guide frame 21, avoiding water droplets on the inner side wall of the material guide frame 21 from adhering to the spun spandex fiber.

[0077] Example 2: Please refer to Figure 6 , the technical solution of this embodiment is different from that of the first embodiment in that the scraping mechanism 3 includes;

[0078] The scraping assembly 32 is provided on the inner wall of the material guiding frame 21 and is used for scraping the water droplets liquefied on the top of the inner wall of the material guiding frame 21 .

[0079] See also Figure 7 、 Figure 8 and Figure 11 , the scraping assembly 32 includes;

[0080] The chute is provided on both sides of the inner wall of the material guide frame 21, and a slider is placed inside the chute. The inner walls on both sides of one of the chute are rotatably connected to a threaded rod 325, and one end of the threaded rod 325 extends outside the material guide frame 21. The side wall of the threaded rod 325 located inside the chute is threadedly connected to the slider inside the chute;

[0081] The servo motor 326 is fixedly arranged on the outside of the material guiding frame 21 , and the output shaft of the servo motor 326 is transmission-connected to one end of the threaded rod 325 located outside the material guiding frame 21 via a bevel gear.

[0082] The scraping assembly 32 also includes:

[0083] The U-shaped connecting frame 323 is fixedly provided on the top of the two sliders for connecting the two sliders. A connecting piece 324 is fixedly provided on the inner side of the U-shaped connecting frame 323. A support plate 322 is fixedly provided on the side of the connecting piece 324 away from the U-shaped connecting frame 323. The top of the support plate 322 is sleeved with a horizontally arranged support rod 328, and the bottom of the support rod 328 extends to the bottom of the support plate 322. One end of the support rod 328 located at the bottom of the support plate 322 is fixed with a limit block 327 for limiting the support rod 328. One end of the support rod 328 located at the top of the support plate 322 is fixed with a scraper 321, and the side wall of the end of the support rod 328 located at the top of the support plate 322 is sleeved with a spring for elastically supporting the scraper 321 so that the top of the scraper 321 fits against the top of the inner wall of the material guide frame 21.

[0084] The output shaft of the servo motor 326 is fixed with a rotating shaft through a coupling. The side wall of the rotating shaft and the side wall fixed sleeve of the threaded tube are provided with mutually meshing bevel gears, so that the output shaft of the servo motor 326 drives the threaded rod 325 to rotate and change the transmission direction, which is convenient for practical use.

[0085] During the specific implementation, the servo motor 326 is started, and the output shaft of the servo motor 326 drives the rotating shaft to rotate through the coupling, and the rotating shaft drives the threaded rod 325 to rotate through the bevel gear. The threaded rod 325 rotates and drives the slider to move along the slide groove, thereby driving the U-shaped connecting frame 323 to move, and the U-shaped connecting frame 323 drives the connecting piece 324 and the support plate 322 to move, and then drives the scraper 321 to scrape the water droplets attached to the top of the inner wall of the guide frame 21. Since the upper end of the scraper 321 is made of sponge The material is made so that when the scraper 321 scrapes water droplets, the water droplets are absorbed by the sponge to prevent the water droplets from falling on the nascent spandex fibers. The support rod 328 is sleeved on the top of the support plate 322, and the side wall of the support rod 328 is sleeved with a spring. When the scraper 321 moves, the top of the scraper 321 always fits against the top of the inner wall of the material guide frame 21 to ensure the scraping effect. The bottom of the support rod 328 is limited by the limit block 327 to prevent the support rod 328 from being separated from the support plate 322.

[0086] The U-shaped connecting frame 323 avoids affecting the transmission of the nascent spandex fiber in the material guide frame 21, which is convenient for practical use. The connecting piece 324 facilitates the movement of the scraper 321 into the scraper shell 311, which facilitates the squeezing and discharge of the water adsorbed in the scraper 321, and is convenient for long-term use.

[0087] See also Figure 9 and Figure 10 The scraping assembly 31 is arranged at the upper end of the material guide frame 21 away from the extruder 1, and is used to scrape and drain the water scraped by the scraping assembly 32.

[0088] The wiper assembly 31 includes:

[0089] The wiper housing 311 is fixedly mounted on the upper end of the material guide frame 21 away from the extruder 1. A pressure plate 312 for squeezing the scraper 321 is fixedly mounted on the top of the inner wall of the wiper housing 311. The bottom inner wall of the wiper housing 311 is designed to be inclined, and a water guide groove 314 is formed on the bottom inner wall of the wiper housing 311 with the same inclination as the bottom inner wall of the wiper housing 311. The outer wall of the wiper housing 311 is provided with a water guide groove.

[0090] The curved water guide plate 315 is fixedly provided with the outer wall of the wiper housing 311 and is located at the bottom of the water guide groove. The outer wall of the wiper housing 311 and the outer side of the curved water guide plate 315 are fixedly provided with a guide pipe 313. The water in the wiper housing 311 is transferred to the curved water guide plate 315 through the water guide groove, and then transferred to the guide pipe 313 through the curved water guide plate 315.

[0091] In a specific implementation, the scraper 321 is moved into the wiper housing 311. When the scraper 321 continuously enters the wiper housing 311, the pressure plate 312 squeezes the scraper 321, thereby squeezing out the water in the scraper 321. The squeezed water flows into the wiper housing 311. In order to prevent the water in the wiper housing 311 from overflowing and falling on the nascent spandex fiber, the water guide groove 314 is used to prevent the water from flowing out of the position where the scraper 321 enters the wiper housing 311, and by making the wiper housing 311 1 is designed with an inclined bottom inner wall, and a water guide groove 314 is formed on the bottom inner wall of the wiper housing 311 with the same inclination as the bottom inner wall of the wiper housing 311. A water guide groove is formed on the outer wall of the wiper housing 311, so that water in the wiper housing 311 can be discharged into the arc-shaped water guide plate 315 through the water guide groove, and then transferred to the guide pipe 313 through the arc-shaped water guide pipe, and discharged through the guide pipe 313, thereby draining the cleaned water and preventing it from falling on the nascent spandex fibers.

[0092] A method for using a temperature linear control system for spandex preparation, using the temperature linear control system for spandex preparation, the method comprising the following steps:

[0093] S1: The spandex raw material in the extruder 1 is heated by a heat supply mechanism, so that the spandex raw material is extruded through the discharge nozzle of the extruder 1 to produce nascent spandex fibers. The nascent spandex fibers are then transported through the material guide frame 21 under the traction of the traction roller 4;

[0094] S2: The heat delivery mechanism transfers the waste heat heated by the extruder 1 to the material guide frame 21. Since the thickness of the material guide frame 21 gradually decreases from the side close to the extruder 1 to the side far away from the extruder 1, and the material guide frame 21 is made of heat-conducting materials such as copper and aluminum, the heat loss rate gradually increases from the side of the material guide frame 21 close to the extruder 1 to the side far away from the extruder 1, thereby achieving linear heat loss in the material guide frame 21, linearly cooling the extruded nascent spandex fiber, and preventing the extruded nascent spandex fiber from being suddenly cooled and affecting its performance;

[0095] S3: The heat in the material guide frame 21 is cooled by water through the water cooling component 23, so that the temperature for cooling the spun spandex fiber reaches a predetermined temperature, and by making the flow direction of the coolant of the water cooling component 23 opposite to the transmission direction of the spun spandex fiber, the heat in the auxiliary material guide frame 21 is lost linearly, thereby linearly cooling the spun spandex fiber at a predetermined temperature to ensure the cooling effect.

[0096] Since the temperature inside the material guide frame 21 is higher than the external environment, a large amount of water vapor will be liquefied and condensed into water droplets attached to the inner wall of the material guide frame 21. The water droplets attached to the inner side wall and the bottom inner wall of the material guide frame 21, since the thickness of the material guide frame 21 gradually decreases from the side close to the extruder 1 to the side away from the extruder 1, the water droplets will flow out of the material guide frame 21 along the inner wall of the material guide frame 21. In order to prevent the liquefied water droplets attached to the top of the inner wall of the material guide frame 21 from falling on the nascent spandex fiber, thereby avoiding affecting subsequent use, the scraping component 32 of the scraping mechanism 3 is used to adsorb and scrape the water attached to the top of the inner wall of the material guide frame 21, and the scraping component 31 is used to scrape and drain the adsorbed and scraped water, so as to facilitate long-term use.

[0097] In step S1, the speed at which the traction roller 4 pulls the nascent spandex fiber is consistent with the extrusion speed of the extruder 1, so as to avoid the nascent spandex fiber from drooping or breaking during the traction process, thereby preventing the use of the scraping mechanism 3 and the temperature control mechanism 2 from being affected and damaging the nascent spandex fiber.

[0098] The servo motor 326 and the electric heating coil 226 and other electronic components of the present invention are all connected to an external power supply and a controller, which is convenient for actual control and use.

[0099] At the same time, the contents not described in detail in this specification belong to the existing technology well known to those skilled in the art.

[0100] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0101] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A temperature linear control system for spandex production, comprising an extruder and a base disposed on one side of the extruder, wherein the extruder is used to extrude spandex raw materials to form nascent spandex fibers, characterized in that: It also includes a temperature control mechanism arranged on the top of the base and a traction roller fixed on the top of the base, the temperature control mechanism includes; The material guide frame is arranged on the top of the base. Under the traction of the traction roller, the spun spandex fibers extruded by the extruder are transported through the inner side of the material guide frame. A water cooling component is provided on the top of the base. The flow direction of the coolant of the water cooling component is opposite to the transmission direction of the spun spandex fibers. The thickness of the material guide frame gradually decreases from the side close to the extruder to the side away from the extruder. The material guide frame is made of heat-conducting material. A scraping mechanism is provided on the side of the material guide frame away from the extruder. The heat transfer component is arranged on the outer wall of the extruder barrel, and is used to heat the spandex raw material in the extruder, and transfer the residual heat to the material guide frame, and adjust the residual heat temperature through the water cooling component. The scraping mechanism includes: A scraping assembly is provided on the inner wall of the material guide frame and is used to scrape the water droplets liquefied on the top of the inner wall of the material guide frame; The water scraping assembly is arranged at the upper end of the material guide frame away from the extruder, and is used for scraping and draining the water scraped by the cleaning assembly.

2. The temperature linear control system for spandex production according to claim 1, characterized in that: The heat delivery component includes: A blower is fixedly mounted on the top of the extruder, and a first air guide pipe is fixedly mounted on the exhaust end of the blower; The sleeve is fixedly mounted on the outer wall of the extruder barrel. An electric heating coil is fixedly provided between the sleeve and the extruder barrel for heating the spandex raw material in the extruder. A gap is left between the sleeve and the extruder barrel. The first air guide plate and the second air guide plate are fixedly mounted on both ends of the outer wall of the sleeve. The first air guide plate and the second air guide plate are both hollow in design and are connected to the interior of the sleeve. The exhaust end of the first air guide pipe extends into the first air guide plate, and the inner wall of the second air guide plate is fixedly provided with a second air guide pipe extending to the outside of the second air guide plate.

3. The temperature linear control system for spandex production according to claim 2, characterized in that: The heat delivery component also includes: The air guide frame is fixedly arranged at the middle end of the material guide frame on one side close to the extruder, and the inner wall of the air guide frame is sleeved on the outer wall of the extruder discharge nozzle. The nascent spandex fiber extruded by the extruder is transmitted into the material guide frame through the inner side of the air guide frame. The air guide frame is hollow in design, and a rectangular array of air guide holes is provided on one side of the air guide frame located on the inner side of the material guide frame. The exhaust end of the second air guide pipe extends into the air guide frame, and the wind generated by the blower is transmitted into the material guide frame through the first air guide pipe, the first air guide plate, the sleeve, the second air guide plate, the second air guide pipe and the air guide frame.

4. The temperature linear control system for spandex production according to claim 1, characterized in that: The water cooling assembly includes: The box body is fixedly arranged on the top of the base and is used to store the coolant. The drainage end of the box body is fixedly provided with a pump body, the drainage end of the pump body is fixedly provided with a first water guide pipe, and the water inlet end of the box body is fixedly provided with a second water guide pipe; The shell is fixedly arranged at the top and bottom of the material guide frame. The drainage end of the first water pipe and the water inlet end of the second water pipe both extend into the shell. The first water pipe is located on the side of the material guide frame away from the extruder, and the second water pipe is located on the side of the material guide frame close to the extruder. The shell located at the bottom of the material guide frame is fixedly connected to the top of the box.

5. The temperature linear control system for spandex production according to claim 1, characterized in that: The scraping assembly includes: A chute is provided on both sides of the inner wall of the material guide frame, and a slider is placed inside the chute. A threaded rod is rotatably connected to the inner walls of both sides of one of the chute, and one end of the threaded rod extends outside the material guide frame. The side wall of one end of the threaded rod located in the chute is threadedly connected to the slider inside the chute; The servo motor is fixedly arranged on the outside of the material guide frame, and the output shaft of the servo motor is transmission-connected to one end of the threaded rod outside the material guide frame through a bevel gear.

6. The temperature linear control system for spandex production according to claim 5, characterized in that: The scraping assembly also includes: The U-shaped connecting frame is fixed on the top of the two sliders for connecting the two sliders. A connecting piece is fixed on the inner side of the U-shaped connecting frame. A support plate is fixed on the side of the connecting piece away from the U-shaped connecting frame. The top of the support plate is sleeved with horizontally arranged support rods, and the bottoms of the support rods extend to the bottom of the support plate. One end of the support rod at the bottom of the support plate is fixed with a limit block for limiting the support rod. One end of the support rod at the top of the support plate is fixed with a scraper, and the side wall of the end of the support rod at the top of the support plate is sleeved with a spring for elastically supporting the scraper so that the top of the scraper fits against the top of the inner wall of the material guide frame.

7. The temperature linear control system for spandex production according to claim 6, characterized in that: The wiper assembly includes: The wiper housing is fixedly arranged at the upper end of the side of the material guide frame away from the extruder. A pressure plate for squeezing the scraper is fixedly arranged on the top of the inner wall of the wiper housing. The bottom inner wall of the wiper housing is designed to be inclined, and a water guide groove is opened on the bottom inner wall of the wiper housing with the same inclination as the bottom inner wall of the wiper housing. The outer wall of the wiper housing is opened with a water guide groove; The arc-shaped water guide plate is fixedly provided with the outer wall of the wiper shell and is located at the bottom of the water guide groove. The outer wall of the wiper shell and the outside of the arc-shaped water guide plate are fixedly provided with a guide pipe. The water in the wiper shell is transmitted to the arc-shaped water guide plate through the water guide groove, and then transmitted to the guide pipe through the arc-shaped water guide plate.

8. The temperature linear control system for spandex production according to claim 1, characterized in that: The height at which the traction roller pulls the spun spandex fiber is consistent with the extrusion height of the extruder, and both are located at the inner middle end of the material guide frame. When the traction roller pulls the spun spandex fiber and transmits it through the inner side of the material guide frame, the spun spandex fiber does not contact the inner side wall of the material guide frame.

9. A method for using a temperature linear control system for spandex production, characterized in that: The temperature linear control system for spandex preparation according to any one of claims 1 to 8 is used, and the method comprises the following steps: S1: The spandex raw material in the extruder is heated by a heat supply mechanism, so that the spandex raw material is extruded through the extruder to produce nascent spandex fibers. The nascent spandex fibers are then transported through a material guide frame under the traction of a traction roller; S2: The heat transfer mechanism transfers the waste heat from the extruder to the material guide frame. Since the thickness of the material guide frame gradually decreases from the side close to the extruder to the side far from the extruder, and the material guide frame is made of heat-conducting material, the heat in the material guide frame is linearly lost, and the extruded nascent spandex fiber is linearly cooled. S3: The heat in the material guide frame is cooled by water through a water cooling component, so that the temperature of the spun spandex fiber reaches a predetermined temperature, and the heat in the material guide frame is assisted to be lost linearly by making the flow direction of the coolant of the water cooling component opposite to the transmission direction of the spun spandex fiber, thereby linearly cooling the spun spandex fiber at a predetermined temperature.

10. The method for using the temperature linear control system for spandex production according to claim 9, characterized in that: In step S1, the speed at which the traction roller draws the nascent spandex fiber is consistent with the extrusion speed of the extruder.

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