Rapid polyester yarn drying device
By designing a rapid drying device for polyester filaments, utilizing a combination structure of an outer shell and an inner shell, along with a filament support frame and hot air drying, the problem of incomplete drying of polyester filaments during the drying process was solved, achieving a rapid and uniform drying effect.
Patent Information
- Application Number
- CN202520345672.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2035-02-28
AI Technical Summary
In existing technologies, polyester filaments are prone to incomplete drying of the finer filaments in the middle due to dense compression during the drying process, which affects subsequent processing.
Design a rapid drying device for polyester filaments, which adopts an outer shell and an inner shell structure, and uses a filament bundle support frame and an air outlet groove in conjunction with hot air for three-dimensional drying, ensuring that each polyester filament bundle is independently supported and uniformly heated.
It enables rapid and thorough drying of polyester filament bundles, ensuring that the filament bundles are neat and tidy during subsequent winding, which facilitates operation and installation.
Smart Images

Figure CN223649623U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of polyester filament production equipment, specifically relating to a rapid drying device for polyester filament. Background Technology
[0002] Currently, in the production of polyester filament, the raw materials undergo a melt spinning process. This involves processing the polyester raw materials, such as pelletizing and wet slicing, before feeding them into a screw extruder for heating and spinning. The filaments then need to be sprayed with water or cooled with water to quickly set their shape. After cooling, the damp polyester filaments need to be dried. In existing technologies, during the drying process, the polyester filaments are always tightly squeezed together, which can easily lead to incomplete drying of the finer filaments in the middle, thus affecting subsequent processing after winding. Therefore, a rapid drying device for polyester filament is needed. Summary of the Invention
[0003] The present invention aims to solve the technical problems existing in the prior art and provide a rapid drying device for polyester yarn.
[0004] The above-mentioned technical problems of this utility model are mainly solved by the following technical solution: a rapid drying device for polyester yarn, including an outer shell and an inner shell, both of which are conical. The front and rear sections of the outer shell are open structures. The inner shell is located inside the outer shell and the two are arranged coaxially. Multiple sets of connecting rods are connected between the outer shell and the inner shell. The multiple sets of connecting rods are arranged in a ring array along the axis of the two. An air inlet pipe is provided at the front end of the inner shell and is connected to the inner shell. Multiple sliding grooves are arranged in a ring array along the axis of the outer shell. The sliding grooves are located between two adjacent sets of connecting rods. Each sliding groove is provided with a yarn bundle support frame. The yarn bundle support frame is slidably fitted into the sliding groove of the outer shell. The inner side of the yarn bundle support frame is located in the cavity between the outer shell and the inner shell. Multiple yarn bundle support rings are installed at equal intervals at the inner end of the yarn bundle support frame. Air outlet grooves are provided on the inner shell at positions corresponding to the multiple sets of yarn bundle support frames.
[0005] Preferably, a wear-resistant ring is fitted at the rear end of the outer housing.
[0006] Preferably, the inner wall surface of the wear-resistant ring is smoothly connected to the inner wall surface of the outer shell.
[0007] Preferably, the filament support frame is T-shaped, and the outside of the filament support frame is engaged with the outer surface of the outer housing.
[0008] The beneficial effects of this utility model are as follows: By setting an outer shell and an inner shell, the individual polyester filament bundles are supported by the filament support ring in the filament support frame in the outer shell, and the air outlet groove on the inner shell blows air onto the corresponding individual polyester filament bundles, which can quickly achieve three-dimensional drying of the polyester filament bundles. The individually supported polyester filament bundles can be wound up more neatly in the subsequent process. By setting the filament support frame and the outer shell as a detachable structure, the filament support frame can be removed for threading during the installation of the polyester filament bundles, which is convenient for operation. Attached Figure Description
[0009] Figure 1 This is a schematic diagram of the structure of this utility model;
[0010] Figure 2 This is a schematic diagram of the structure of the wear-resistant ring of this utility model.
[0011] In the diagram: 1. Outer shell; 2. Inner shell; 3. Connecting rod; 4. Air inlet pipe; 5. Slide groove; 6. Fiber bundle support frame; 7. Fiber bundle support ring; 8. Air outlet groove; 9. Wear-resistant ring. Detailed Implementation
[0012] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.
[0013] Example: A rapid drying device for polyester yarn, such as Figures 1-2 As shown, the device includes an outer shell 1 and an inner shell 2, both of which are conical. The outer shell 1 has open front and rear sections. The inner shell 2 is located inside the outer shell 1 and the two are coaxially aligned. Multiple sets of connecting rods 3 connect the outer shell 1 and the inner shell 2, arranged in a circular array along their axes. An air inlet pipe 4 is located at the front end of the inner shell 2 and is connected to the inner shell 2. Multiple sliding grooves 5 are arranged in a circular array along the axis of the outer shell 1. Each sliding groove 5 is located between two adjacent sets of connecting rods 3. Each sliding groove 5 contains a filament support frame 6, which slides within the sliding groove 5 of the outer shell 1. The inner side of the filament support frame 6 is located in the cavity between the outer shell 1 and the inner shell 2, and multiple filament support rings 7 are equidistantly installed at the inner end of the filament support frame 6. Air outlet grooves 8 are located on the inner shell 2 at positions corresponding to the multiple sets of filament support frames 6.
[0014] The rear end of the outer housing 1 is fitted with a wear-resistant ring 9; the inner wall surface of the wear-resistant ring 9 is smoothly connected to the inner wall surface of the outer housing 1; the filament support frame 6 is T-shaped, and the outer part of the filament support frame 6 is clamped to the outer surface of the outer housing 1.
[0015] The principle of this utility model is as follows: When in use, the filament bundle is first sorted out, the filament bundle support frame 6 inserted on the outer shell 1 is pulled out, the separately sorted polyester filament bundle is threaded into the multiple filament bundle support rings 7 of the filament bundle support frame 6, and then the filament bundle support frame 6 is inserted into the outer shell 1. The polyester filament bundle can be quickly and neatly threaded onto the outer shell 1. The polyester filament bundle passes through the rear end of the outer shell 1 and is wound onto the winding device in sequence.
[0016] A hot air pipe is connected to the air inlet pipe 4. Hot air enters the inner shell 2 through the air inlet pipe 4 and is blown out through the air outlet 8 to quickly dry the polyester filaments on the corresponding filament support frame 6.
[0017] Finally, it should be noted that the above embodiments are merely representative examples of this utility model. Obviously, this utility model is not limited to the above embodiments and can have many variations. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this utility model should be considered to fall within the protection scope of this utility model.
Claims
1. A rapid drying device for polyester yarn, comprising an outer shell (1) and an inner shell (2), characterized in that: Both the outer shell (1) and the inner shell (2) are conical. The front and rear sections of the outer shell (1) are open structures. The inner shell (2) is located inside the outer shell (1) and the two are arranged coaxially. Multiple sets of connecting rods (3) connect the outer shell (1) and the inner shell (2). The multiple sets of connecting rods (3) are arranged in a circular array along the axis of the two. An air inlet pipe (4) is provided at the front end of the inner shell (2). The air inlet pipe (4) is connected to the inner shell (2). The outer shell (1) has a circular array of openings along the axis. There are multiple sliding grooves (5), which are located between two adjacent sets of connecting rods (3). Each sliding groove (5) is provided with a filament support frame (6). The filament support frame (6) is slidably fitted into the sliding groove (5) of the outer shell (1). The inner side of the filament support frame (6) is located in the cavity between the outer shell (1) and the inner shell (2). Multiple filament support rings (7) are installed at equal intervals on the inner end of the filament support frame (6). Air outlet grooves (8) are opened on the inner shell (2) at positions corresponding to the multiple sets of filament support frames (6).
2. The rapid drying device for polyester yarn according to claim 1, characterized in that: A wear-resistant ring (9) is fitted at the rear end of the outer casing (1).
3. The rapid drying device for polyester yarn according to claim 2, characterized in that: The inner wall surface of the wear-resistant ring (9) is smoothly connected to the inner wall surface of the outer shell (1).
4. The rapid drying device for polyester yarn according to claim 1, characterized in that: The filament support frame (6) is T-shaped, and the outside of the filament support frame (6) is clamped to the outer surface of the outer shell (1).