Spandex spinning assembly

By introducing a heat exchange medium channel and a detachable spinneret design into the spandex spinning assembly, the problem of poor spinneret temperature control was solved, achieving stable spinning and convenient maintenance, and improving the fluidity of the spandex solution and product quality.

CN223592888UActive Publication Date: 2025-11-25无锡市汇流化纤科技有限公司
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Patent Information

Application Number
CN202423066293.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-11-25
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

In existing spandex spinning equipment, the temperature control at the spinneret is not good, which leads to a decrease in the fluidity of the spandex dope, affecting the spinning effect and product quality.

Method used

A spandex spinning assembly was designed, including a feeding section and an insulation plate. The insulation plate has a heat exchange medium channel, which controls the temperature of the spinneret through the heat exchange medium. The spinneret and the insulation plate are detachably connected for easy replacement and cleaning.

Benefits of technology

It achieves stable operation of the spinneret, improves the fluidity of the spandex solution, ensures spinning effect, has a compact structure, occupies a small area, and is easy to maintain.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of spandex spinning, in particular to a spandex spinning assembly. The spandex spinning assembly comprises a feeding part, a distribution plate is arranged at the bottom of the feeding part, at least one guide hole is formed in the distribution plate in a penetrating mode, the feeding part is used for conveying spandex stock solution to the guide holes, a heat preservation plate is arranged at the end, away from the feeding part, of the distribution plate, a spinneret plate is detachably arranged at the heat preservation plate, and a heat exchange medium flow channel is formed in the heat preservation plate. The heat exchange medium can control the temperature of the spandex stock solution at the distribution plate and the heat insulation plate, so that the stable operation of the spinneret plate is better realized, and the spinneret plate is easy to maintain.
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Description

TECHNICAL FIELD

[0001] The utility model relates to spandex spinning technical field, specifically, a spandex spinning assembly. BACKGROUND

[0002] Spandex is a kind of synthetic fiber with excellent elasticity and strength, and is widely used in many fields of modern industry, and spandex spinning is a key link in its production, wherein the spinneret is a core assembly for converting spandex stock solution into fiber, and plays a crucial role in spinning effect and product quality.

[0003] In the spandex spinning equipment, the outlet end of the spinneret corresponds to a high-temperature duct, which is used for drying the spandex yarn sprayed from the spinneret to make it solidify, and the heat in the high-temperature duct is easily conducted to the spinneret, reducing the flowability of the spandex stock solution at the spinneret, and the temperature control at the spinneret in the prior art is not good. SUMMARY

[0004] The utility model provides a kind of spandex spinning assembly, it can overcome certain or some defects of prior art.

[0005] According to the spandex spinning assembly of the utility model, it includes feed part, the bottom of feed part is provided with distribution plate, at least one material guiding hole is formed through distribution plate, feed part is used to deliver spandex stock solution to material guiding hole, distribution plate is provided with heat preservation plate at one end away from feed part, heat preservation plate is detachably provided with spinneret at heat preservation plate, spinneret is used to access spandex stock solution in material guiding hole and spray to high-temperature duct, heat preservation plate forms heat exchange medium flow channel in heat preservation plate, heat preservation plate forms first liquid inlet and first liquid outlet communicated with heat exchange medium flow channel at one end close to distribution plate, second liquid inlet and second liquid outlet are provided with distribution plate, second liquid inlet is used to access heat exchange medium, and second liquid outlet is used to output heat exchange medium.

[0006] As preferred, mounting hole is formed through heat preservation plate, mounting hole is used to cooperate with spinneret, first step is formed at one end of mounting hole close to distribution plate, flange is formed at one end of spinneret close to distribution plate, and flange is used to abut with first step.

[0007] As preferred, positioning pin is formed at the bottom of first step, positioning hole is formed at one side of flange close to first step, and positioning hole is used to cooperate with positioning pin when spinneret is inserted into mounting hole.

[0008] As preferred, lock cap is detachably provided with heat preservation plate at one end away from first step, and lock cap is screwed with mounting hole.

[0009] As preferred, cooperation hole is formed through lock cap, second step is formed at one end of cooperation hole close to distribution plate, and filter screen is provided with second step.

[0010] As a preferred, the locking cap is provided with a gasket near the end of the spinneret.

[0011] As a preferred, the spinneret is provided with a plurality of heat exchange medium flow channels, the heat exchange medium flow channels include end flow channels formed on both sides of the plurality of spinnerets and intermediate flow channels formed between adjacent spinnerets, the end flow channels are L-shaped and communicated with the first liquid inlet or the first liquid outlet, and the intermediate flow channels are convex-shaped.

[0012] As a preferred, the guide hole is formed with a mesh flow channel.

[0013] Advantages:

[0014] 1. By the arrangement of the heat exchange medium flow channels, the heat exchange medium can control the temperature of the spandex stock solution at the distribution plate and the heat preservation plate, so that the stable operation of the spinneret is realized.

[0015] 2. The spinneret and the heat preservation plate are detachably connected, so that the damaged or blocked spinneret can be replaced conveniently, and the distribution plate can be cleaned conveniently.

[0016] 3. By the spandex stock solution feeding of the distribution plate by the feeding part, the spandex spinning assembly has a compact structure, a small floor area and is easy to maintain. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a half-section schematic view of the spandex spinning assembly;

[0018] Figure 2 It is an exploded schematic view of the spandex spinning assembly;

[0019] Figure 3 It is a first partial exploded schematic view of the spandex spinning assembly;

[0020] Figure 4 It is a second partial exploded schematic view of the spandex spinning assembly;

[0021] Figure 5 It is a partial schematic view of the heat preservation plate. DETAILED DESCRIPTION

[0022] In order to further understand the content of the present application, the present application will be described in detail in conjunction with the embodiments. It should be understood that the embodiments are only used to explain the present application but not to limit the present application.

[0023] Embodiment 1

[0024] As shown in Figures 1-3 and Figure 5The embodiment provides a spandex spinning assembly which comprises a feeding part, the bottom of the feeding part is provided with a distribution plate 1, at least seven guide holes 11 are formed through the distribution plate 1, the feeding part is used for conveying spandex stock solution to the guide holes 11, the end of the distribution plate 1 away from the feeding part is provided with a heat preservation plate 2, the heat preservation plate 2 is detachably provided with a spinneret 3, the spinneret 3 is used for accessing the spandex stock solution in the guide holes 11 and spraying out to a high-temperature duct, a heat exchange medium flow channel 21 is formed in the heat preservation plate 2, the end of the heat preservation plate 2 close to the distribution plate 1 is formed with a first liquid inlet 211 and a first liquid outlet 212 which are in communication with the heat exchange medium flow channel 21, the distribution plate 1 is correspondingly provided with a second liquid inlet 12 and a second liquid outlet 13, the second liquid inlet 12 is used for accessing the heat exchange medium, and the second liquid outlet 13 is used for outputting the heat exchange medium.

[0025] According to the scheme provided by the embodiment, the feeding part conveys spandex stock solution to the seven guide holes 11, the spandex stock solution is conveyed from the feeding part to the spinneret 3 and sprayed out from the spinneret holes in the middle of the spinneret 3, and the high-temperature duct at the outlet of the spinneret 3 is used for solidifying the spandex filaments sprayed out of the spinneret 3, so that spandex spinning is realized; the heat exchange medium flow channel 21 in the heat preservation plate 2 is used for realizing the flow of the heat preservation medium in the heat preservation plate 2, so that the temperature of the spinneret 3 is controlled in the interval in which the spandex stock solution has better flowability, so that the spinneret 3 can continuously and stably operate.

[0026] Further, the spinneret 3 and the heat preservation plate 2 are detachably connected, so that the clogged or damaged spinneret 3 can be replaced more conveniently, and the heat preservation plate 2 can be cleaned and maintained conveniently.

[0027] In the embodiment, the feeding part comprises a metering pump 4, a first outlet plate 5 and a second outlet plate 6 which are connected in sequence, the first outlet plate 5 comprises a stock solution inlet 51 and a stock solution outlet 52 which are arranged at intervals, the bottom of the metering pump 4 is provided with a feeding port 41 corresponding to the stock solution outlet 52, and a U-shaped channel is formed at the second outlet plate 6 and in communication with the stock solution outlet 52 and the stock solution inlet 51.

[0028] Further, the bottom of the metering pump 4 is also provided with a discharge port 42, a plurality of discharge holes 53 are formed through the first outlet plate 5 corresponding to the discharge port 42, and a plurality of discharge grooves 62 are formed at the second outlet plate 6 corresponding to the plurality of discharge holes 53, the discharge grooves 62 are used for being in communication with the respective guide holes 11.

[0029] Further, the first outlet plate 5 is formed with a third liquid inlet 54 and a third liquid outlet 55, and the second outlet plate 6 is correspondingly formed with a fourth liquid inlet 63 and a fourth liquid outlet 64, the third liquid inlet 54 and the fourth liquid inlet 63 are correspondingly communicated, the third liquid outlet 55 and the fourth liquid outlet 64 are correspondingly communicated, the fourth liquid inlet 63 is communicated with the first liquid inlet 211, the fourth liquid outlet 64 is communicated with the first liquid outlet 212, and the third liquid inlet 54 is used for connecting the heat exchange medium, and the third liquid outlet 55 is used for outputting the heat exchanged heat exchange medium.

[0030] Further, the guide hole 11 is formed with a mesh flow channel 111, which can make the spandex stock solution entering the spinneret plate 3 more uniform, and can filter some larger particles in the spandex stock solution, so as to avoid causing the spinneret plate 3 to be blocked or damaged.

[0031] See Figure 2 The heat preservation plate 2 is formed with a mounting hole 22, which is used for cooperating with the spinneret plate 3, and the mounting hole 22 is formed with a first step 221 near one end of the distribution plate 1, the spinneret plate 3 is correspondingly formed with a flange 31 near one end of the distribution plate 1, and the flange 31 is used for abutting and cooperating with the first step 221, wherein the bottom of the first step 221 is formed with a positioning pin 222, and the flange 31 is correspondingly formed with a positioning hole 311 near one side of the first step 221, and the positioning hole 311 is used for cooperating with the positioning pin 222 when the spinneret plate 3 is inserted into the mounting hole 22.

[0032] Specifically, the above structure realizes the detachable cooperation of the spinneret plate 3 and the heat preservation plate 2, and the positioning pin 222 and the positioning hole 311 are inserted and cooperated, which preferably limits the rotation freedom degree of the spinneret plate 3, so as to avoid the rotation of the spinneret plate 3 in the mounting hole 22, thereby affecting the sealing performance between the mounting hole 22 and the spinneret plate 3.

[0033] Further, the flange 31 is detachably provided with a locking cap 32 away from one end of the first step 221, the locking cap 32 is threadedly cooperated with the mounting hole 22, the locking cap 32 is formed with a cooperating hole 321, the cooperating hole 321 is formed with a second step 3211 near one end of the distribution plate 1, and the second step 3211 is provided with a filter screen 33.

[0034] Specifically, the locking nut can limit the spinneret plate 3 in the mounting hole 22, and the filter screen 33 can filter the spandex stock solution, so as to prevent the solid particles in the spandex stock solution from entering the spinning hole and causing the spinneret plate 3 to be blocked.

[0035] In the embodiment, the heat exchange medium flow channel 21 includes end flow channels 213 formed on both sides of the plurality of spinnerets 3, and intermediate flow channels 214 formed between adjacent spinnerets 3, the end flow channels 213 are L-shaped and communicate with the first liquid inlet 211 or the first liquid outlet 212, and the intermediate flow channels 214 are convex-shaped, so as to be as similar as possible to the shape of the mounting hole 22, so that the heat exchange medium can preferably take away the heat at the spinneret 3, and the heat at the spinneret 3 is kept in a range in which the spandex stock solution has better flowability.

[0036] Embodiment 2

[0037] As shown in Figures 1-3 and Figure 4 The embodiment provides a spandex spinning assembly, which is different from the spandex spinning assembly in embodiment 1 in that the locking cap 32 is provided with a gasket 34 close to one end of the spinneret 3.

[0038] The gasket 34 is a tetrafluoro gasket 34, which has good sealing performance and high-temperature resistance, and can improve the sealing performance between the spinneret 3 and the heat preservation plate 2.

[0039] It is easy to understand that those skilled in the art can combine, split, recombine and the like on the basis of one or more embodiments provided in the application to obtain other embodiments, and these embodiments do not exceed the protection scope of the application.

[0040] Working principle:

[0041] That is, when the spandex spinning assembly is used, first, the spandex stock solution pipeline is connected with the stock solution inlet 51, the spandex stock solution enters the metering pump 4 through the stock solution inlet 51, the U-shaped channel and the stock solution outlet 52, is output through the discharge port 42 of the metering pump 4, and then enters the guide hole 11 through the discharge hole 53 and the discharge groove 62, and then enters the spinneret 3 and is sprayed from the spinneret 3 into the high-temperature duct to be solidified to realize spandex spinning.

[0042] The heat exchange medium pipeline is connected with the third liquid inlet 54, the heat exchange medium enters the heat preservation plate 2 through the third liquid inlet 54, the fourth liquid inlet 63, the second liquid inlet 12 and the first liquid inlet 211, flows in the heat exchange medium flow channel 21, and then exits the heat preservation plate 2 from the first liquid outlet 212, and then passes through the second liquid outlet 13, the fourth liquid outlet 64 and the third liquid outlet 55 to return to the heat exchanger, and then the heat exchange medium is repeatedly circulated in the heat exchanger to realize continuous heat preservation of the heat preservation plate 2, so that the spinneret 3 can continuously and stably operate.

[0043] The above describes the utility model and its embodiments in a schematic manner, and the description is not restrictive, and the embodiments shown are only part of the embodiments of the utility model, and the actual structure is not limited thereto. Therefore, if a person of ordinary skill in the art is inspired thereby, without departing from the spirit of the utility model, similar structural modes and embodiments are designed without creativity, and all should belong to the protection scope of the utility model.

Claims

1. A spandex spinning package comprising a supply section, characterized in that, The bottom of the feeding part is provided with a distribution plate, at least one guide hole is formed through the distribution plate, the feeding part is used for conveying the spandex stock solution to the guide hole, the end of the distribution plate away from the feeding part is provided with a heat preservation plate, the heat preservation plate is detachably provided with a spinneret plate, the spinneret plate is used for connecting the spandex stock solution in the guide hole and spraying to the high-temperature duct, a heat exchange medium flow channel is formed in the heat preservation plate, the end of the heat preservation plate close to the distribution plate is formed with a first liquid inlet and a first liquid outlet which are communicated with the heat exchange medium flow channel, a second liquid inlet and a second liquid outlet are correspondingly arranged at the distribution plate, the second liquid inlet is used for connecting the heat exchange medium, and the second liquid outlet is used for outputting the heat exchange medium.

2. The spandex spinning package of claim 1, wherein, The heat preservation plate is formed with a mounting hole through the heat preservation plate, the mounting hole is used for cooperating with the spinneret plate, the end of the mounting hole close to the distribution plate is formed with a first step, the end of the spinneret plate close to the distribution plate is correspondingly formed with a flange, and the flange is used for abutting and cooperating with the first step.

3. The spandex spinning package of claim 2, wherein, The bottom of the first step is formed with a positioning pin, the side of the flange close to the first step is correspondingly formed with a positioning hole, and the positioning hole is used for cooperating with the positioning pin when the spinneret plate is inserted into the mounting hole.

4. The spandex spinning package of claim 2, wherein, The end of the flange away from the first step is detachably provided with a locking cap, and the locking cap is screwed with the mounting hole.

5. The spandex spinning package of claim 4, wherein, The locking cap is formed with a matching hole through the locking cap, the end of the matching hole close to the distribution plate is formed with a second step, and the second step is provided with a filter screen.

6. The spandex spinning package of claim 4, wherein, The end of the locking cap close to the spinneret plate is provided with a gasket.

7. The spandex spinning package of claim 1 wherein, The spinneret plate is provided with a plurality of spinneret plates, the heat exchange medium flow channel includes end flow channels formed on both sides of the plurality of spinneret plates and intermediate flow channels formed between adjacent spinneret plates, the end flow channels are L-shaped and communicated with the first liquid inlet or the first liquid outlet, and the intermediate flow channels are convex-shaped.

8. The spandex spinning package of claim 1, wherein, A mesh flow channel is formed at the guide hole.