CN202440626U - Single yarn tension frame for carbon fiber multi-layer-angle joint loom - Google Patents

Abstract

The utility model discloses a single-yarn tensioning frame for a carbon fiber multi-layer angular loom. There are multiple guide rollers parallel to each other on the creel, and the guide rollers are supported on the frame body through bearings, and all the guide rollers are in the same plane; the tension frame is provided with a tension support corresponding to the guide rollers Fixing rod, tension support fixed rod is equipped with fixed blocks equivalent to the number of single yarns, each fixed block is set on the tension support fixed rod, and locked with top tightening screws, each fixed block is fixed with a Tighten the spring sheet, and a ceramic ring is installed on the tension spring sheet. The utility model realizes the automatic adjustment of the tension of a single carbon fiber yarn during the weaving process, and well solves the problem of redundant yarn tension during the alternating process of fabric opening and heald leveling; and for long-distance warp let-off A single yarn has a certain guiding and supporting effect, which avoids the problem of mutual interference of multiple yarns.

Description

Carbon fiber multi-layer angle knitting machine single yarn tensioning frame

technical field

The utility model relates to a warp yarn tensioning device in the field of textile machinery, in particular to a single yarn tensioning frame of a carbon fiber multi-layer corner loom.

Background technique

With the development of engineering technology and material science, the requirements for material properties are getting higher and higher. The research, development and application of advanced composite materials have become one of the important contents of high-tech material technology, and carbon fiber and its carbon fiber composite materials occupy a pivotal position in this field. Due to its unique and excellent performance, carbon fiber composite materials are widely used in the aviation field, especially in the aircraft manufacturing industry. In order to realize the weaving process of special-shaped skeletons, individual warp yarns need to be controlled individually. In view of the characteristics of non-wear-resistant carbon fiber surface and weak shear strength, as well as the characteristics of thick finished carbon fiber fabric and many weaving layers, there are certain special requirements for the design and research of single-yarn tension parts of looms. The relevant patents currently retrieved are: 1) Utility model patent 200920042211.6 discloses a carbon fiber single yarn tensioning device, including a creel, a yarn bobbin and a spindle bar, and each yarn bobbin is provided with a set of tension wheels obliquely above the loom Assemblies, there is a yarn guide porcelain eye in front of the first tension wheel of each group of tension wheel assemblies, the yarn guide porcelain eye is fixed on the porcelain eye plate, and the porcelain eye plate is matched on the creel, each yarn bobbin The yarn on the yarn first passes through the corresponding yarn-guiding porcelain eye, and then leads to the loom through the tension component. However, the structure of the device is complicated, and it is not suitable for adjusting the tension of a large number of single yarns at the same time. For example, to adjust the tension of 990 single yarns at the same time, the above-mentioned structure needs to be provided with 990 sets, which will cause interference of the yarns. 2) Chinese utility model patent 201020518881.3 discloses a tension control device, which includes a fixed seat, a clip support, a clip and a clip fixing shaft, the clip support is fixed under the fixed seat, and the two ends of the clip support are The first porcelain eye and the second porcelain eye are set respectively. Two pieces of elastic material are made of spring leaf, and the front end is bent outward at a certain angle. The clip is fixed on the clip support through the clip rotating shaft, and the clip is arranged on the first Between the porcelain eye and the second porcelain eye. A groove for adjusting the angle of the clip with a screwdriver is provided at the lower end of the clip fixing rotating shaft, so as to realize tension control. However, this device will cause certain wear and tear to the carbon fiber yarn, and has a complicated structure, so it is not suitable for tensioning the carbon fiber single yarn.

Utility model content

The utility model provides a carbon fiber multi-layer corner loom single-yarn tension frame for solving the technical problems in the known technology. The tension frame can provide continuous tension force for a single carbon fiber warp yarn, and keep it always tense state.

The technical scheme adopted by the utility model to solve the technical problems existing in the known technology is: a carbon fiber multi-layer corner loom single yarn tensioning frame, including a frame body, the upper part of the frame body is provided with a yarn guide frame, the A tension frame is arranged below the yarn guide frame, the tension frame is fixed on the frame body, and a plurality of mutually parallel guide rollers are arranged on the yarn guide frame, and the yarn guide rollers are supported by bearings on the On the frame body, all the guide rollers are in the same plane; the tension frame is provided with tension support and fixing rods corresponding to the guide rollers, and the tension support and fix rods are provided with The number of fixed blocks equivalent to the number of single yarns, each of the fixed blocks is sleeved on the tension support fixed rod, and locked with a top screw, each of the fixed blocks is fixed with a tension spring piece, so A ceramic ring is installed on the tension spring piece.

The tension spring sheet has a thickness of 0.8-1.2 mm.

The guide roller is made of SCP composite steel pipe.

The utility model has the advantages and positive effects: by adopting the tension spring plate structure corresponding to the number of single yarns installed on the tension support fixed rod, and the ceramic ring is installed, the single carbon fiber yarn passing through the ceramic ring Under the action of the tension spring, it is always in a tensioned state, thus realizing the automatic adjustment of the tension of a single carbon fiber yarn during the weaving process, which solves the redundancy in the process of fabric opening and heald alternation. The problem of yarn tension; and it has a certain guiding and supporting effect on a single yarn for long-distance let-off, avoiding the problem of mutual interference of multiple yarns. Moreover, the utility model has a simple structure, takes up less space, can simultaneously adjust the tension of a large number of single yarns, and can control the number of tension spring pieces through the length of the guide roller and the tension support fixing rod to meet Different number of warp threads required.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the enlarged view of part I of Fig. 1;

Fig. 3 is a schematic diagram of the connection structure of the tension spring sheet of the present invention.

In the figure: 1. Yarn guide roller, 2. Tension support fixed rod, 3. Fixed block, 4. Tension spring piece, 5. Porcelain ring, 6. Frame body, 7. Yarn guide frame, 8. Tension frame, 9. Yarn.

Detailed ways

In order to further understand the invention content, characteristics and effects of the present utility model, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

Please refer to Figures 1 to 3, a carbon fiber multi-layer corner loom single-yarn tensioning frame, including a frame body 6, a yarn guide frame 7 on the upper part of the frame body 6, and a tension frame 8 below the yarn guide frame 7 , the tension frame 8 is fixed on the frame body 6, and the yarn guide frame 7 is provided with a plurality of yarn guide rollers 1 parallel to each other. The yarn guide rollers 1 are supported on the frame body 6 by bearings and can rotate freely. All yarn guide rollers 1 are in the same plane; the tension frame 8 is provided with a tension support fixed rod 2 corresponding to the guide roller 1, and the tension support fixed rod 2 is provided with a fixed block 3 equivalent to the number of single yarns, each fixed The blocks 3 are all sleeved on the tension support fixed rod 2, and locked with jacking screws. A tension spring piece 4 is fixed on each fixed block 3 , and a ceramic ring 5 is installed on the tension spring piece 4 . The thickness of the tension spring sheet 4 is usually 0.5-2 mm, preferably 0.8-1.2 mm. When it is necessary to adjust the position of the tensioning spring piece, loosen the jacking screw to adjust the position of the fixing block, thereby achieving the purpose of adjusting the position of the tensioning spring piece.

In order to reduce the wear and tear on the yarn, the guide roller 1 is made of SCP composite steel pipe.

In this embodiment, there are 10 yarn guide rollers 1 on the yarn guide frame 7, and the 10 yarn guide rollers 1 are evenly distributed and fixed on the yarn guide frame 7 parallel to each other. The tension frame 8 is provided with 10 tension support fixed rods 2 corresponding to the guide roller 1, and 99 fixed blocks 3 are installed on each tension support fixed rod 2, and a tension spring sheet is installed on each fixed block 3 4. A ceramic ring 5 is provided on the tension spring piece 4 . It can adjust the tension of 990 single yarns.

Working principle of the utility model:

The above-mentioned single yarn tensioning frame is installed between the let-off mechanism of the carbon fiber multi-layer corner loom and the weaving mouth of the loom. With the support, it passes through the ceramic ring 5 on the tension spring 4 at a certain angle, and enters the weaving mouth of the loom. During the process of fabric opening and heald leveling, a single yarn can always be in a tensioned state under the action of the tension spring 4, so that the released single carbon fiber warp yarn always has a certain tension, which plays a role in micro-compensating the opening warp yarn. The role of quantity.

Although the preferred embodiment of the utility model has been described above in conjunction with the accompanying drawings, the utility model is not limited to the above-mentioned specific implementation, and the above-mentioned specific implementation is only illustrative and not restrictive. Under the enlightenment of the utility model, those skilled in the art can also make many forms without departing from the purpose of the utility model and the protection scope of the claims, and these all belong to the protection scope of the utility model.

Claims (3)

1. a carbon fiber multilayer angle joins loom single thread tensioning frame, it is characterized in that, comprises support body; Said support body top is provided with yarn guide; Said yarn guide below is provided with tensioning frame, and said tensioning frame is fixed on the said support body, and said yarn guide is provided with the many cord rollers that are parallel to each other; On said support body, all said cord rollers are in together in the plane said cord roller through bearings; Said tensioning frame is provided with the tensioning support fixation bar corresponding with said cord roller; Said tensioning support fixation bar is provided with the fixed block suitable with single thread quantity; Each said fixed block all is sleeved on the said tensioning support fixation bar; And, all be fixed with a tensioning spring sheet on each said fixed block with holding out against screw locking, on the said tensioning spring sheet porcelain ring is installed.

2. carbon fiber multilayer according to claim 1 angle joins loom single thread tensioning frame, it is characterized in that the thickness of said tensioning spring sheet is 0.8～1.2mm.

3. carbon fiber multilayer according to claim 1 and 2 angle joins loom single thread tensioning frame, it is characterized in that said cord roller is processed by the SCP composite steel tube.

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