An oil repellent wire guide device

Abstract

The utility model discloses a kind of oil-stain-preventing wire guide device, belong to chemical fiber production equipment field, including porcelain part, plastic part and positioning pin, porcelain part is equipped with smooth layer and grab silk mouth, plastic part is Z type structure and is equipped with multistage blocking flow guide groove, oil baffle sawtooth and brush oil groove, positioning pin is equipped with T type step and nitriding layer, each component is connected closely by special-shaped structure, is blocked and guides oil stain to discharge by multiple physical structures, solve the problem that the product is reduced in grade caused by existing wire guide oil stain, improve product quality and maintenance efficiency.

Description

Technical Field

[0001] The utility model relates to the field of spare parts for chemical fiber production equipment, specifically to an oil-proof yarn guide device for a texturing machine. Background Technology

[0002] In chemical fiber production, the texturing machine guides the yarn bundle through the guide to complete the winding and forming process, which is a crucial step in processing POY pre-oriented yarn into DTY stretch textured yarn. Existing guides, during high-speed reciprocating motion, are prone to oil mist adhering to the surface of the oil-containing grooves due to equipment lubrication requirements, forming sludge. This sludge is then splashed onto the DTY products, causing oil stain defects and leading to product degradation. Statistics show that oil stains account for 40% of DTY appearance degradation, making it a major issue affecting product quality. Furthermore, existing guides lack a dedicated oil-resistant structure, requiring regular disassembly and cleaning to reduce oil contamination. This not only increases the workload for maintenance personnel but also increases the risk of damage to ceramic components due to collisions during disassembly, further increasing equipment maintenance costs. Therefore, there is an urgent need for a guide device that achieves oil-resistant functionality through structural optimization. Utility Model Content

[0003] This utility model aims to solve the problems of oil pollution and high maintenance costs caused by structural defects in existing wire guides. It provides an oil-proof wire guide device that, through optimized structural design, blocks oil adhesion and splashing, reduces oil pollution defects in DTY products, improves the yield of superior products, and at the same time reduces maintenance workload and material consumption.

[0004] To achieve the above objectives, this utility model is implemented through the following technical solution:

[0005] This utility model discloses an oil-resistant wire guide device, comprising a plastic part and a positioning pin, as well as a ceramic part with a through hole. The ceramic part, plastic part, and positioning pin are integrally and tightly connected through an irregularly shaped structure. The plastic part has a Z-shaped structure, and its oil-stained surface is provided with multi-stage blocking channels, small-angle oil-blocking serrations, and open-type oil-brushing grooves. The blocking channels and open-type oil-brushing grooves are located on the upper surface, and the small-angle oil-blocking serrations are located on the side of the plastic part. A positioning pin hole is provided on the plastic part, and the positioning pin can be installed in the positioning pin hole.

[0006] Preferably, the multi-stage blocking and guiding channels are arranged in a trapezoidal structure, and there are two sets of multi-stage blocking and guiding channels, with a V-shaped structure between the two sets of multi-stage blocking and guiding channels.

[0007] Preferably, the open brushing groove extends through the plastic part and is located at the top of the two sets of multi-stage blocking guide grooves.

[0008] Preferably, the ceramic part is made of a material with an alumina content of 99.7% and has a smooth layer on its surface with a roughness of Ra0.25μm.

[0009] Preferably, the multi-stage blocking and guiding grooves, small-angle oil-blocking serrations, and open oil-brushing grooves on the plastic part are integrated with the plastic part. The plastic part is made of PA66 nylon thermoplastic resin.

[0010] Preferably, the locating pin is made of low carbon steel and has a nitrided layer on its surface. The surface hardness of the nitrided layer is HRC50 and the surface roughness is Ra0.4μm.

[0011] Preferably, the ceramic part is provided with a wire-gripping opening, the size of which is 1.5mm.

[0012] Preferably, the positioning pin has a T-shaped step.

[0013] Beneficial effects:

[0014] Significant oil stain prevention effect: The Z-shaped structure of the plastic part extends the oil stain flow path, and the multi-level blocking guide groove, oil blocking serration and oil brush groove form multiple physical barriers, which can effectively intercept and guide the oil stains to be discharged, reducing oil stain pollution by more than 90% and significantly improving the product quality rate; Improved maintenance efficiency: The structure optimization reduces oil stain adhesion, eliminating the need for frequent disassembly and cleaning, while also reducing the damage to ceramic parts caused by collisions;

[0015] High structural stability: The components are tightly connected by T-shaped steps and irregular structures. Combined with the high strength of the materials, the wear resistance and connection stability are excellent, and the service life is extended by 50% compared with existing products. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the device.

[0017] Figure 2 This is a schematic diagram of the exploded structure of the device.

[0018] Figure 3 This is a schematic diagram of the structure of the ceramic part.

[0019] Figure 4 This is a schematic diagram of the plastic part structure.

[0020] Figure 5 This is a schematic diagram of the locating pin structure. Detailed Implementation

[0021] 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.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "setting," "connection," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] The oil-proof wire guide device of this utility model is achieved through the following structure: it includes a ceramic part 1, a plastic part 3 and a positioning pin 5, which are connected to each other through irregular shapes to form a tightly connected integral structure.

[0024] Ceramic part 1: Made of material with 99.7% alumina content, with a smooth layer on the surface and a roughness of Ra0.25μm. It has through holes and wire-gripping openings 11 with a size of 1.5mm.

[0025] Plastic part 3: It is integrally molded with PA66 nylon thermoplastic resin and has a Z-shaped structure. Its oil stain adhesion surface is provided with an integrated multi-level blocking and guiding groove 2, a small-angle oil blocking serration 4 and an open oil brushing groove 6.

[0026] Positioning pin 5: Made of low carbon steel, with a nitrided layer on the surface, surface hardness HRC50, roughness Ra0.4μm, and a T-shaped step on it to fix the ceramic part 1 and the plastic part 3.

[0027] The specific structure and assembly relationship of this utility model will be further described below with reference to the accompanying drawings. The material specification is only one embodiment; the focus of this application is on the structural design.

[0028] The ceramic part 1 is made of 99.7% alumina material and has a smooth layer on the surface. It is precision machined to achieve a roughness of Ra0.25μm, which can reduce the friction damage of the filament bundle. It can be tightly connected with the plastic part 3 through injection molding.

[0029] The plastic part 3 is integrally injection molded from PA66 nylon thermoplastic resin, and has an overall Z-shaped structure. The multi-level blocking and guiding grooves 2 on it are 0.5mm deep and 1mm apart, and are arranged at a 45° angle to guide oil stains to converge into the open brushing groove 6. The small-angle oil-blocking serrations 4 are 1mm high and 0.8mm apart, which can physically intercept high-speed splashing oil mist. The open brushing groove 6 has a diameter of 3mm and is connected to the external oil drainage channel.

[0030] The locating pin 5 is made of low carbon steel with a nitrided layer on the surface. The nitrided layer is 0.1-0.2mm thick and has a surface hardness of HRC50, ensuring connection strength and wear resistance. Its T-shaped step 51 has a diameter 0.1mm larger than the through hole, and achieves a tight connection with the plastic part 3 through interference fit.

[0031] When in use, the device is installed on the transverse slider of the texturing machine. The movement of the filament bundle is guided by the filament gripping port 11 of the ceramic part 1. During the high-speed reciprocating process, the oil stains are first intercepted by the oil blocking saw teeth 4. The remaining oil stains flow along the Z-shaped structure to the multi-stage blocking guide groove 2, and are finally discharged through the open oil brushing groove 6 to avoid contaminating the filament bundle.

[0032] Finally, it should be noted that this utility model is not limited to the above embodiments, and many variations are possible. All variations that can be directly derived or conceived by those skilled in the art from the disclosure of this utility model should be considered within the protection scope of this utility model.

Claims

1. An oil-resistant wire guide device, characterized in that, It includes a plastic part (3) and a positioning pin (5), as well as a ceramic part (1) with a through hole. The plastic part (3) has a Z-shaped structure. Its oil stain adhesion surface is provided with a multi-level blocking guide groove (2), a small-angle oil-blocking saw tooth (4) and an open oil brushing groove (6). The blocking guide groove (2) and the open oil brushing groove (6) are located on the upper end surface, and the small-angle oil-blocking saw tooth (4) is located on the side of the plastic part (3). The plastic part (3) is provided with a positioning pin hole (7), and the positioning pin (5) can be installed in the positioning pin hole (7).

2. The oil-resistant wire guide device according to claim 1, characterized in that, The multi-stage blocking guide channel (2) is arranged in a trapezoidal structure, and there are two sets of multi-stage blocking guide channels (2), with a V-shaped structure between the two sets of multi-stage blocking guide channels (2).

3. The oil-resistant wire guide device according to claim 2, characterized in that, The open brushing groove (6) penetrates the plastic part (3) and is located at the top of the two sets of multi-level blocking guide grooves (2).

4. The oil-resistant wire guide device according to claim 1, characterized in that, The ceramic part (1) has a smooth layer on its surface.

5. The oil-resistant wire guide device according to claim 1, 2, or 3, characterized in that, The multi-level blocking guide groove (2), small-angle oil-blocking sawtooth (4) and open oil brushing groove (6) on the plastic part (3) are integrated with the plastic part (3).

6. The oil-resistant wire guide device according to claim 1, characterized in that, The locating pin (5) has a nitrided layer on its surface.

7. The oil-resistant wire guide device according to claim 1, characterized in that, The ceramic part (1) is provided with a wire-gripping opening (11), the size of which is 1.5mm.

8. The oil-resistant wire guide device according to claim 1, characterized in that, The positioning pin (5) is provided with a T-shaped step.

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