A heat retaining device for a nylon parent yarn fiber assembly

By designing a double-opening furnace door for insulation, an air circulation component, and a temperature control component, the problems of slow heating and dangerous operation in nylon masterbatch production were solved, achieving rapid heating and safe operation.

CN224591093UActive Publication Date: 2026-08-04FUJIAN JINGFENG TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FUJIAN JINGFENG TECH
Filing Date
2025-07-22
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

Existing nylon mother yarn insulation devices have long heating times and low heating efficiency. Operators need to manually open and close the insulation devices, which poses a risk of muscle and bone strain and burns.

Method used

A heat preservation device was designed, comprising a heat preservation body, a double-opening furnace door, an air circulation component, and a temperature control component. The furnace door is automatically opened and closed using a hydraulic support rod, and rapid heating is achieved by combining an air circulation motor and a heating tube. Direct contact with high temperatures is avoided by using a T-shaped access tool.

Benefits of technology

It achieves rapid heating, reduces the labor intensity of operators, improves ease of use and safety, and reduces the risk of burns.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224591093U_ABST
    Figure CN224591093U_ABST
Patent Text Reader

Abstract

This utility model relates to a heat preservation device for a nylon mother filament fiber assembly, comprising: a heat preservation body; a double-opening furnace door located above the heat preservation body, including a hydraulic support rod, furnace door hinges, an outer furnace door panel, and a furnace door plate, the furnace door plate being hinged to the outer furnace door panel via furnace door hinges located on both sides of the furnace door plate, the two ends of the hydraulic support rod being movably connected to the furnace door plate and the outer furnace door panel respectively, the heat preservation body and the double-opening furnace door forming a hollow cavity; a wind circulation assembly, including a wind circulation motor, fan blades, and a duct plate, the duct plate dividing the hollow cavity into a furnace chamber, a first cavity, and a second cavity, the first cavity and the second cavity being connected, the wind circulation motor being located on one side outside the heat preservation body, the fan blades being located in the second cavity, and the fan blades being connected to the wind circulation motor; and a temperature control assembly, including a temperature measuring element and a heating tube, one end of the temperature measuring element being located outside the heat preservation body, and the other end being inserted into the first cavity, the heating tube being located in the first cavity, thereby improving the heating efficiency, convenience, and safety of the device.
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Description

Technical Field

[0001] This utility model relates to a heat preservation device for nylon mother filament fiber components, belonging to the technical field of chemical fiber production equipment. Background Technology

[0002] Nylon masterfilament is a nylon filament composed of multiple monofilaments. It is mainly made by splitting the filaments into single fibers (called monofilaments) for subsequent processing. Nylon monofilaments have the advantages of relatively thick single fibers, high strength, good elasticity, wear resistance, moisture absorption, and good dyeability. They can be used to weave knitted underwear, bras, elastic bodysuits, sandwich mesh fabric (shoe materials), fishing nets, ropes, conveyor belts, filter cloths, parachutes, etc.

[0003] In the production of nylon master yarn, temperature stability is crucial to product quality. Existing nylon master yarn insulation devices require long heating times and have low heating efficiency; they rely on manual operation to open and close the insulation devices, increasing the risk of muscle and bone strain for operators; and they require operators to wear heat-insulating gloves and handle the high-temperature components with bare hands, posing a serious risk of burns. Utility Model Content

[0004] The purpose of this invention is to provide a heat preservation device for nylon mother filament fiber components to solve the problems mentioned in the background art.

[0005] The technical solution of this utility model is as follows: A heat insulation device for a nylon mother filament fiber assembly, comprising: The insulation body consists of an outer layer, an insulation layer, and an inner layer from the outside in. The double-opening furnace door is located above the insulation body and includes a hydraulic support rod, furnace door hinges, furnace door outer panel, and furnace door plate. The furnace door plate is hinged to the furnace door outer panel through furnace door hinges located on both sides of the furnace door plate. The two ends of the hydraulic support rod are movably connected to the furnace door plate and the furnace door outer panel, respectively. The insulation body and the double-opening furnace door together form a hollow cavity. The air circulation assembly includes an air circulation motor, fan blades, and a duct plate. The duct plate divides the hollow cavity into a furnace chamber, a first cavity, and a second cavity. The first cavity and the second cavity are connected. The air circulation motor is located on one side outside the insulation body, and the fan blades are located in the second cavity. The fan blades are connected to the air circulation motor. The temperature control component includes a temperature sensing element and a heating tube. One end of the temperature sensing element is located outside the insulation body, and the other end is inserted into the first cavity. The heating tube is located in the first cavity.

[0006] Furthermore, the heat preservation device also includes a fixing device, including a bracket and a shelf. The inner walls on both sides of the furnace are respectively provided with brackets, and the shelf is fixed above the bracket.

[0007] Furthermore, the opening angle of the double-leaf furnace door is 0-85°.

[0008] Furthermore, several furnace door sealing gaskets are provided at the connection between the double-opening furnace door and the insulation body, and several furnace door sealing gaskets are provided at the opening and closing points of the furnace door panel.

[0009] Furthermore, a limit switch is connected to one side of the furnace door panel, and a handle is provided on the furnace door panel.

[0010] Furthermore, a protective cover is provided on one end of the temperature sensing element located outside the insulation body.

[0011] Furthermore, a control cabinet is connected to the side of the temperature unit that is furthest from the air circulation motor.

[0012] Furthermore, protective frames are installed at all four corners of the insulation device.

[0013] Furthermore, the insulation device includes a T-shaped access tool with internal threads on the top.

[0014] Furthermore, the heating tube is bent and located at the bottom of the first cavity.

[0015] This utility model has the following beneficial effects: 1. Temperature control and air circulation components are installed to achieve heating and heat preservation effects in the packaging device. The air circulation component is equipped with an air duct plate to form the first cavity. Through the cooperation of the air circulation motor and fan blades, the temperature generated by the heating tube is evenly transferred to the first cavity, enabling the heat preservation device to heat up rapidly and improving its heating efficiency. A hydraulic support rod is installed to open and close the double-opening furnace door. The operator only needs to activate the hydraulic support rod, which automatically pushes the furnace door open, effectively reducing the labor intensity of the operator in opening and closing the furnace door and improving the ease of use of the heat preservation device. 2. A first chamber and a second chamber are set up. The heating tube is set in the first chamber and the fan is set in the second chamber. The fan rotates to drive the hot air flow in the first chamber to circulate, thereby raising the temperature of the chamber. By separating the two chambers, the hot air is restricted to flow in the first chamber, reducing the heating range and thus improving the heating rate and efficiency.

[0016] 3. Install limit switches and control cabinets to ensure that when the double-opening furnace door is opened by the staff, the heat preservation device will automatically cut off the heating power and stop the operation of the air circulation motor, thereby improving the safety of the heat preservation device; 4. A T-shaped access tool with an internal thread at the top is provided. The mother wire production assembly is removed from the insulation device by the T-shaped access tool, which avoids direct contact between the operator and the high temperature, thus improving the safety of the insulation device. In addition, the tool is precise and stable to operate, and the operator is less likely to make mistakes during operation, avoiding collisions with the equipment and injuries to the operator, thus improving the safety of the insulation device. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a side view of the present invention; Figure 3 This is a top view of the present invention; Figure 4 This is a schematic diagram of the structure of the mother yarn production component and the T-shaped storage and retrieval tool of this utility model.

[0018] The reference numerals in the figure are as follows: 1. Control cabinet; 2. Limit switch; 3. Sealing gasket; 4. Double-leaf furnace door; 5. Insulation layer; 6. Furnace chamber; 7. Fan blade; 8. Protective frame; 9. Air circulation motor; 10. Protective cover; 11. Hydraulic support rod; 12. Bracket; 13. Shelf; 14. Handle; 15. Air duct plate; 16. Furnace door hinge; 17. Heating tube; 18. Furnace door outer panel; 19. Temperature measuring element; 20. Furnace door panel; 21. Mother wire production assembly; 211. External thread; 22. T-type storage and retrieval tool; 221. Internal thread; 23. First cavity; 24. Second cavity. Detailed Implementation

[0019] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0020] The insulation body consists of an outer layer (not shown in the figure), an insulation layer 5, and an inner layer (not shown in the figure) from the outside to the inside. The outer layer is made of Q235 steel and is used to protect the insulation layer 5 and support the entire insulation device. The insulation layer 5 is made of high-quality aluminosilicate fiber to prevent heat loss to the outside. The inner layer is made of a material with low thermal conductivity and high temperature resistance, such as SUS304 stainless steel, and is used to directly contact the mother wire production component 21 to reduce heat conduction loss to the inner layer. A double-opening furnace door 4 is located above the insulation body, allowing operators to access the masterbatch production assembly 21 from above. Hot air from the insulation device diffuses upwards, preventing direct contact between the insulation assembly and the operator, thus reducing the risk of burns. The double-opening furnace door 4 includes a hydraulic support rod 11, a furnace door hinge 16, a furnace door outer panel 18, and a furnace door panel 20. The hydraulic support rod 11 is located above the furnace door panel 20. The furnace door outer panel 18 is fixed to the insulation body. The furnace door panel 20 is connected to the furnace body via the furnace door hinge 16 located at its edge. The outer panel 18 is connected, and the opening angle of the double-opening furnace door 4 is 0-85°. The furnace door panel 20 is equipped with a handle 14. The insulation body and the double-opening furnace door 4 together form a hollow cavity. A hydraulic support rod 11 is set. When the operator opens the double-opening furnace door 4 through the handle 14, the hydraulic support rod 11 automatically drives the furnace door panel 20 to open outward. The operator does not need to operate the double-opening furnace door 4 with effort. The opening and closing of the double-opening furnace door 4 is realized by the hydraulic support rod 11, which reduces the labor intensity of the operator in opening and closing the double-opening furnace door 4. Several sealing gaskets 3 are provided at the connection between the double-opening furnace door 4 and the insulation body, and several sealing gaskets 3 are provided at the opening and closing points of the furnace door panel 20. The sealing gaskets 3 can be made of asbestos packing to prevent heat loss from the connection gaps and improve the sealing performance of the insulation device. The air circulation assembly includes an air circulation motor 9, a fan blade 7, and an air duct plate 15. The air duct plate 15 encloses the insulation body and the double-opening furnace door 4 to form a hollow cavity, which is divided into a furnace chamber 6, a first cavity 23, and a second cavity 24. The air duct plate 15 is made of SUS304 material. The first cavity 23 and the second cavity 24 are connected. The air circulation motor 9 is located outside the insulation body, and the fan blade 7 is located in the second cavity 24. The fan blade 7 is connected to the output end of the air circulation motor 9. When the air circulation motor 9 is started, the air circulation motor 9 drives the fan blade 7 to rotate. The air in the first cavity 23 circulates in the first cavity 23 due to the rotation of the fan blade 7. The air circulation assembly together realizes the air flow in the first cavity 23, thereby achieving a uniform temperature in the first cavity 23. The temperature control component includes a temperature sensing element 19 and a heating tube 17. One end of the temperature sensing element 19 is located outside the insulation body, and the other end is inserted into the first cavity 23. It is used to monitor the temperature inside the insulation device in real time so as to adjust the working state of the heating tube 17 in a timely manner and ensure that the temperature of the insulation device is stable within the set range. A protective cover 10 is provided on the end of the temperature sensing element 19 located outside the insulation body. The heating tube 17 is arranged in a zigzag manner at the bottom of the first cavity 23. The fan blade 7 is driven to rotate by the air circulation motor 9. The heat generated by the heating tube 17 is evenly distributed to the first cavity 23, thereby evenly distributing the heat to the area around the master yarn production component 21 and achieving the heating of the master yarn production component 21. The fixing components include brackets 12 and shelves 13. Brackets 12 are provided on the inner walls of both sides of the furnace chamber 6, and shelves 13 are fixed above brackets 12. During operation, the female wire production component 21 is placed vertically on the brackets 12. The external thread 211 on the female wire production component 21 faces the double-opening furnace door 4. The brackets 12 and shelves 13 are made of SUS304 material to ensure the stability of the female wire production component 21. A limit switch 2 is connected to one side of the furnace door panel 20, and a control cabinet 1 is connected to the side of the temperature body away from the air circulation motor 9. Through the control cabinet 1 and the limit switch 2, when the double-opening furnace door 4 is opened, the heat preservation device automatically cuts off the heating power and stops the operation of the air circulation motor 9. Each of the four corners of the insulation device is equipped with a protective frame 8 to protect the four corners of the insulation device and prevent them from being damaged by bumps. The heat preservation device also includes a T-shaped storage and retrieval tool 22, with an internal thread 221 at the vertical end. The internal thread 221 on the T-shaped storage and retrieval tool 22 matches the external thread 211 on the mother wire production assembly 21. After the heat preservation device heats and preserves the mother wire production assembly 21, the double-opening furnace door 4 is opened, and the heat preservation device automatically cuts off the heating power and stops the operation of the air circulation motor 9. Align the internal thread 221 on the T-shaped storage and retrieval tool 22 with the external thread 211 on the mother wire production assembly, rotate the T-shaped storage and retrieval tool 22 to make the T-shaped storage and retrieval tool 22 threadedly connected to the mother wire production assembly 21, and take out the mother wire production assembly 21 to realize the storage and retrieval of the mother wire production assembly 21.

[0021] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A heat preservation device for a nylon mother-filament fiber assembly, characterized in that: include: The insulation body consists of an outer layer, an insulation layer, and an inner layer from the outside in. The double-opening furnace door is located above the insulation body and includes a hydraulic support rod, furnace door hinges, furnace door outer panel, and furnace door plate. The furnace door plate is hinged to the furnace door outer panel through furnace door hinges located on both sides of the furnace door plate. The two ends of the hydraulic support rod are movably connected to the furnace door plate and the furnace door outer panel, respectively. The insulation body and the double-opening furnace door together form a hollow cavity. The air circulation assembly includes an air circulation motor, fan blades, and a duct plate. The duct plate divides the hollow cavity into a furnace chamber, a first cavity, and a second cavity. The first cavity and the second cavity are connected. The air circulation motor is located on one side outside the insulation body, and the fan blades are located in the second cavity. The fan blades are connected to the air circulation motor. The temperature control component includes a temperature sensing element and a heating tube. One end of the temperature sensing element is located outside the insulation body, and the other end is inserted into the first cavity. The heating tube is located in the first cavity.

2. The heat preservation device for a nylon mother-filament fiber assembly as described in claim 1, characterized in that: The heat preservation device also includes a fixing device, including a bracket and a shelf. The inner walls on both sides of the furnace are respectively provided with brackets, and the shelf is fixed above the bracket.

3. The heat preservation device for a nylon mother-filament fiber assembly as described in claim 1, characterized in that: The opening angle of the double-leaf furnace door is 0-85°.

4. The heat preservation device for a nylon mother-filament fiber assembly as described in claim 1, characterized in that: Several sealing gaskets are provided at the connection between the double-opening furnace door and the insulation body, and several sealing gaskets are provided at the opening and closing points of the furnace door panel.

5. The heat preservation device for a nylon mother-filament fiber assembly as described in claim 1, characterized in that: A limit switch is connected to one side of the furnace door panel, and a handle is provided on the furnace door panel.

6. The heat preservation device for a nylon mother-filament fiber assembly as described in claim 1, characterized in that: The temperature sensing element is located on one end of the insulation body and is equipped with a protective cover.

7. The heat preservation device for a nylon mother-filament fiber assembly as described in claim 1, characterized in that: The control cabinet is connected to the side of the temperature control unit away from the air circulation motor.

8. The heat preservation device for a nylon mother-filament fiber assembly as described in claim 1, characterized in that: Protective frames are installed at all four corners of the insulation device.

9. The heat preservation device for a nylon mother-filament fiber assembly as described in claim 1, characterized in that: The insulation device includes a T-shaped access tool with internal threads at the end, the internal threads of which are adapted to the external threads on the mother wire production assembly.

10. The heat preservation device for a nylon mother-filament fiber assembly as described in claim 1, characterized in that: The heating tube is bent and located at the bottom of the first cavity.