Spinning forming equipment based on colored noctilucent pre-oriented yarn

By designing a multi-stage filter and backwashing unit, the problem of luminescent pigment agglomeration clogging the spinneret in luminescent pre-oriented yarn spinning equipment has been solved, achieving stable filtration and cleaning effects.

CN224148232UActive Publication Date: 2026-04-21HANGZHOU CHENZE NEW MATERIAL CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HANGZHOU CHENZE NEW MATERIAL CO LTD
Filing Date
2025-07-07
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

In existing colored luminescent pre-oriented yarn spinning equipment, the particles of luminescent pigments or fluorescent dyes are prone to agglomeration, leading to blockage of the spinneret holes.

Method used

It adopts a multi-stage nested filter structure and backwashing unit, which intercepts agglomerated particles and removes impurities through multi-stage filtration and high-pressure water flow cleaning, preventing clogging.

Benefits of technology

It significantly reduces the risk of spinneret clogging, ensures stable filtration performance, and avoids secondary pollution from residual impurities.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses spinning forming equipment based on colored noctilucent pre-oriented yarn, which relates to the technical field of spinning forming equipment and comprises a screw extruder, a stirring mechanism is arranged on the left side of the screw extruder, and a filtering mechanism is arranged between the screw extruder and the stirring mechanism and used for filtering melt. The filtering mechanism comprises a multi-stage filtering unit and a backwashing unit, the multi-stage filtering unit is arranged above the stirring mechanism and comprises a filtering barrel, the multi-stage gradient filtering unit is arranged, a nested filtering net structure is adopted in the filtering barrel, and the aperture of a first filtering net barrel is smaller than that of a second filtering net barrel, so that graded fine filtering of the melt is realized. Agglomerated particles and impurities formed by noctilucent pigment or fluorescent dye in melt can be effectively intercepted, and the blocking risk of the spinneret plate is remarkably reduced. Meanwhile, the filter screen cylinder is detachably installed through the first clamping groove and the second clamping groove, maintenance and replacement are convenient, and it is ensured that the filtering effect is continuous and stable.
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Description

Technical Field

[0001] This utility model relates to the technical field of spinning and forming equipment, specifically to spinning and forming equipment based on colored luminescent pre-oriented yarn. Background Technology

[0002] Pre-oriented yarn is a stretchable but non-springy yarn. It is usually combined with other yarns to have good stability and fracture resistance, and its post-processing performance is also excellent.

[0003] According to the patent titled "A Spinning Device for Pre-Oriented Yarn" (Patent Publication No.: CN216274475U, Patent Publication Date: 2022-04-12), it includes a screw extruder for converting raw materials into melt and extruding it, a filter located at the outlet of the screw extruder for filtering the melt, a stirring vessel located at one end of the filter outlet for allowing the melt to enter, a spinneret located at one end of the stirring vessel outlet for spraying the melt into filaments, and a stirring shaft located in the stirring vessel for stirring the melt in the stirring vessel. The stirring vessel includes an outer cylinder, an inner cylinder placed in the outer cylinder for receiving the melt, a cover tightly and detachably connected to the outer cylinder and the inner cylinder, and a stirring shaft block located in the cover. The stirring shaft passes through and is rotatably connected to the stirring shaft block. The inner cylinder is connected to the spinneret. It has the effect that after one spinning operation is completed, the inner cylinder can be removed from the outer cylinder and replaced with a new inner cylinder for quick re-spinning operation.

[0004] Based on the aforementioned existing technology, current spinning equipment for colored luminescent pre-oriented yarn still has the following problems: the key to colored luminescent pre-oriented yarn lies in the addition of luminescent pigments or fluorescent dyes to the melt. These additive particles are prone to agglomeration, forming larger particles. These agglomerates and impurities can easily clog the extremely precise spinneret orifices. Therefore, this utility model provides spinning equipment for colored luminescent pre-oriented yarn. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention provides a spinning and forming device based on colored luminescent pre-oriented yarn. This solves the following problems that still exist in existing spinning and forming devices based on colored luminescent pre-oriented yarn: the key to colored luminescent pre-oriented yarn lies in the addition of luminescent pigments or fluorescent dyes to the melt. These additive particles are prone to agglomeration, forming larger particles. These agglomerates and impurities easily clog the extremely precise spinneret orifices.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a spinning and forming device based on colored luminescent pre-oriented yarn, comprising a screw extruder, a stirring mechanism disposed on the left side of the screw extruder, and a filtering mechanism disposed between the screw extruder and the stirring mechanism for filtering the melt, the filtering mechanism comprising:

[0007] A multi-stage filtration unit is disposed above the stirring mechanism and includes a filter barrel. The filter barrel contains a first filter screen cylinder that is secured inside by a first slot, and the first filter screen cylinder contains a second filter screen cylinder that is secured inside by a second slot. The filter holes of the first filter screen cylinder are smaller than those of the second filter screen cylinder, thereby achieving multi-stage filtration.

[0008] The backwashing unit is located behind the multi-stage filtration unit and is used to backwash the first and second filter cylinders.

[0009] Preferably, a first water outlet pipe is fixedly installed on one side of the top of the second filter cylinder to discharge the wastewater from the backwashing of the first filter cylinder, a second water outlet pipe is fixedly installed on the top of the filter barrel to discharge the wastewater from the backwashing of the first filter cylinder, and a connecting pipe is fixedly installed at the bottom of the filter barrel to connect the filtration mechanism and the stirring mechanism.

[0010] Preferably, a heating wire is fixedly installed inside the partition of the filter barrel, and a heater is fixedly installed on the left side of the filter barrel, with one end of the heating wire passing through the filter barrel and fixedly connected to the heater, so as to heat the inside of the filter barrel.

[0011] Preferably, the backwashing unit includes a fixed frame, a water pump is fixedly installed on the top of the fixed frame, and a flushing pipe is fixedly installed at the output end of the water pump. One end of the flushing pipe passes through the bottom of the filter barrel and is inserted into the interior of the second filter cylinder for conveying water to the interior of the first filter cylinder to backwash the first filter cylinder.

[0012] Preferably, a branch pipe is fixedly installed above the end of the flushing pipe, and the branch pipe is inserted into the inside of the filter barrel for backwashing the water source inside the filter barrel.

[0013] Preferably, the stirring mechanism includes a mounting frame, a stirring tank is fixedly installed inside the mounting frame, a filter tank is fixedly installed on the top of the stirring tank, a fixing frame is fixedly installed on the right side of the stirring tank, a stirring shaft is rotatably installed inside the stirring tank, a motor is fixedly installed on the top of the stirring tank, and the output end of the motor passes through the stirring tank and is fixedly connected to the stirring tank.

[0014] This invention provides a spinning and forming device based on colored luminescent pre-oriented yarn. Compared with the prior art, it has the following advantages:

[0015] 1. This spinning and forming equipment based on colored luminescent pre-oriented yarn achieves graded fine filtration of the melt by setting up multi-stage gradient filtration units and using a nested filter structure within the filter barrel, with the pore size of the first filter barrel being smaller than that of the second filter barrel. This effectively intercepts agglomerated particles and impurities formed by luminescent pigments or fluorescent dyes in the melt, significantly reducing the risk of spinneret clogging. Simultaneously, the filter barrels are detachable and installable via first and second locking slots, facilitating maintenance and replacement and ensuring continuous and stable filtration performance.

[0016] 2. This spinning and forming equipment based on colored luminescent pre-oriented yarn is equipped with a backwashing unit. A water pump drives the rinsing pipe and branch pipe to inject high-pressure water into the second filter cylinder and the filter chamber, respectively, to achieve bidirectional backwashing. The rinsed wastewater is discharged directionally through the first outlet pipe 216 and the second outlet pipe 217 to avoid secondary pollution from residual impurities. Attached Figure Description

[0017] Figure 1 This is a right-side perspective view of the structure of this utility model;

[0018] Figure 2 This is a partial cross-sectional left-side perspective three-dimensional structural view of the present invention;

[0019] Figure 3 This is a three-dimensional cross-sectional view of the filter mechanism of this utility model;

[0020] Figure 4 This is a sectional, three-dimensional structural view of the filter mechanism of this utility model;

[0021] Figure 5 This is a left-side perspective view of the filtration mechanism of this utility model.

[0022] In the diagram: 1-Screw extruder, 2-Filtering mechanism, 21-Multi-stage filtration unit, 211-Filter barrel, 212-First slot, 213-First filter screen cylinder, 214-Second slot, 215-Second filter screen cylinder, 216-First water outlet pipe, 217-Second water outlet pipe, 218-Connecting pipe, 219-Heating wire, 2110-Heater, 22-Backwashing unit, 221-Fixing frame, 222-Water pump, 223-Flushing pipe, 224-Branch pipe, 3-Agitating mechanism, 31-Mounting frame, 32-Agitating tank, 33-Agitating shaft, 34-Motor. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-5 This utility model provides a technical solution:

[0025] The spinning and forming equipment based on colored luminescent pre-oriented yarn includes a screw extruder 1, a stirring mechanism 3 is arranged on the left side of the screw extruder 1, and a filtering mechanism 2 is arranged between the screw extruder 1 and the stirring mechanism 3 for filtering the melt. The filtering mechanism 2 includes:

[0026] A multi-stage filtration unit 21 is disposed above the stirring mechanism 3, including a filter barrel 211. A first filter screen cylinder 213 is fitted inside the filter barrel 211 through a first slot 212, and a second filter screen cylinder 215 is fitted inside the first filter screen cylinder 213 through a second slot 214. The filter holes of the first filter screen cylinder 213 are smaller than those of the second filter screen cylinder 215, thereby achieving multi-stage filtration.

[0027] The backwashing unit 22 is located on the rear side of the multi-stage filtration unit 21 and is used to backwash the first filter cylinder 213 and the second filter cylinder 215.

[0028] In this embodiment, a first water outlet pipe 216 is fixedly installed on one side of the top of the second filter cylinder 215 for discharging the wastewater from the backwashing of the first filter cylinder 213. A second water outlet pipe 217 is fixedly installed on the top of the filter barrel 211 for discharging the wastewater from the backwashing of the first filter cylinder 213. A connecting pipe 218 is fixedly installed at the bottom of the filter barrel 211, through which the filtration mechanism 2 and the stirring mechanism 3 are connected.

[0029] The first outlet pipe 216 is specifically used to discharge the backwash wastewater inside the second filter cylinder 215;

[0030] The second outlet pipe 217 is specifically used to discharge wastewater from the chamber of filter bucket 211.

[0031] In this embodiment, a heating wire 219 is fixedly installed inside the partition of the filter barrel 211, and a heater 2110 is fixedly installed on the left side of the filter barrel 211. One end of the heating wire 219 passes through the filter barrel 211 and is fixedly connected to the heater 2110, so as to heat the inside of the filter barrel 211.

[0032] A heating wire 219 is built into the filter barrel 211 partition and an external heater 2110 is connected to prevent the agglomeration of luminescent pigments from being aggravated due to the cooling of the melt during the filtration process.

[0033] In this embodiment, the backwashing unit 22 includes a fixing frame 221. A water pump 222 is fixedly installed on the top of the fixing frame 221, and a flushing pipe 223 is fixedly installed at the output end of the water pump 222. One end of the flushing pipe 223 passes through the bottom of the filter barrel 211 and is inserted into the interior of the second filter screen cylinder 215 for conveying water to the interior of the first filter screen cylinder 213 to backwash the first filter screen cylinder 213.

[0034] The water pump 222 is model PUN-201. It is electrically connected to an external power source and can be turned on and off via a human-operated control panel. The water pump 222 drives the flushing pipe 223 to be inserted into the second filter screen cylinder 215 from the bottom of the filter barrel 211. High-pressure water flows from the inside to the outside to flush and forcefully remove the luminous pigment clumps stuck in the fine holes of the first filter screen cylinder 213.

[0035] In this embodiment, a branch pipe 224 is fixedly installed above the end of the flushing pipe 223, and the branch pipe 224 is inserted into the interior of the filter barrel 211 for backwashing the water source inside the filter barrel 211.

[0036] A branch pipe 224 is added to the flushing pipe 223 and extends to the filter barrel 211 cavity. The main flushing pipe 223 cleans the filter screen cylinder, and the branch pipe 224 simultaneously flushes the inner wall of the filter barrel.

[0037] In this embodiment, the stirring mechanism 3 includes a mounting frame 31, a stirring tank 32 is fixedly installed inside the mounting frame 31, a filter tank 211 is fixedly installed on the top of the stirring tank 32, a fixing frame 221 is fixedly installed on the right side of the stirring tank 32, a stirring shaft 33 is rotatably installed inside the stirring tank 32, a motor 34 is fixedly installed on the top of the stirring tank 32, and the output end of the motor 34 passes through the stirring tank 32 and is fixedly connected to the stirring tank 32.

[0038] Motor 34 is a three-phase asynchronous motor with a self-locking function. It is electrically connected to an external power supply and can be opened and closed by a human-operated control panel.

[0039] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0040] During operation, firstly, the screw extruder 1 introduces the melt into the filter barrel 211 through the connecting pipe. The melt is filtered through the second filter barrel 215 and the first filter barrel 213. At the same time, the heater 2110 operates to heat the inside of the filter barrel 211 through the heating wire 219. The filtered melt is injected into the inside of the mixing tank 32 through the connecting pipe 218. The motor 34 runs to stir the melt inside the mixing tank 32 and sprays it out through the bottom spinneret.

[0041] Then, the water pump 222 operates to inject external water into the interior of the second filter cylinder 215 and the first filter cylinder 213 through the flushing pipe 223 and the branch pipe 224 respectively for backwashing. The flushed wastewater is discharged through the first outlet pipe 216 and the second outlet pipe 217, and then the residual wastewater inside the filter cylinder 211 is discharged through the drain pipe at the bottom of the filter cylinder 211.

[0042] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0043] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A spinning forming device based on color luminescent pre-oriented yarn, comprising a screw extruder (1), a stirring mechanism (3) is arranged on the left side of the screw extruder (1), characterized in that: A filter mechanism (2) is provided between the screw extruder (1) and the stirring mechanism (3) for filtering the melt. The filter mechanism (2) includes: A multi-stage filtration unit (21) is disposed above the stirring mechanism (3), including a filter barrel (211). The filter barrel (211) is fitted with a first filter screen cylinder (213) through a first slot (212), and the first filter screen cylinder (213) is fitted with a second filter screen cylinder (215) through a second slot (214). The filter holes of the first filter screen cylinder (213) are smaller than those of the second filter screen cylinder (215), thereby achieving multi-stage filtration. The backwashing unit (22) is located on the rear side of the multi-stage filtration unit (21) and is used to backwash the first filter cylinder (213) and the second filter cylinder (215).

2. The spinning forming apparatus based on color luminescent pre-oriented yarn according to claim 1, characterized in that: The second filter cylinder (215) has a first water outlet pipe (216) fixedly installed on one side of its top for discharging the wastewater from the backwashing of the first filter cylinder (213). The filter barrel (211) has a second water outlet pipe (217) fixedly installed on its top for discharging the wastewater from the backwashing of the first filter cylinder (213). The filter barrel (211) has a connecting pipe (218) fixedly installed at its bottom, through which the filtration mechanism (2) and the stirring mechanism (3) are connected.

3. The spinning forming apparatus based on color luminescent pre-oriented yarn according to claim 1, characterized in that: A heating wire (219) is fixedly installed inside the partition of the filter barrel (211), and a heater (2110) is fixedly installed on the left side of the filter barrel (211). One end of the heating wire (219) passes through the filter barrel (211) and is fixedly connected to the heater (2110) to heat the inside of the filter barrel (211).

4. The spinning forming apparatus based on color luminescent pre-oriented yarn according to claim 1, characterized in that: The backwashing unit (22) includes a fixed frame (221), a water pump (222) is fixedly installed on the top of the fixed frame (221), and a flushing pipe (223) is fixedly installed at the output end of the water pump (222). One end of the flushing pipe (223) passes through the bottom of the filter barrel (211) and is inserted into the interior of the second filter cylinder (215) for conveying water to the interior of the first filter cylinder (213) to backwash the first filter cylinder (213).

5. The spin-forming apparatus based on color luminescent pre-oriented yarn according to claim 4, characterized in that: A branch pipe (224) is fixedly installed above the end of the flushing pipe (223), and the branch pipe (224) is inserted into the inside of the filter barrel (211) for backwashing water into the filter barrel (211).

6. The spin-forming apparatus based on color luminescent pre-oriented yarn according to claim 4, characterized in that: The stirring mechanism (3) includes a mounting frame (31), a stirring tank (32) is fixedly installed inside the mounting frame (31), and a filter tank (211) is fixedly installed on the top of the stirring tank (32). The fixing frame (221) is fixedly installed on the right side of the stirring tank (32). A stirring shaft (33) is rotatably installed inside the stirring tank (32). A motor (34) is fixedly installed on the top of the stirring tank (32), and the output end of the motor (34) passes through the stirring tank (32) and is fixedly connected to the stirring tank (32).

Citation Information

Patent Citations

  • Spinning device for pre-oriented yarn

    CN216274475U

Cited By

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    CN122358338A