Production device for netted fabric for shaping-free drying

Abstract

The utility model discloses a production device for netted fabric for shaping-free drying, which comprises a rapier loom, a rear beam of the rapier loom and a breast beam of the rapier loom are positioned on the same height horizontal plane, the stiffness coefficient of a spring of the rear beam of the rapier loom is 250000-55000N / m, and the stiffness coefficient of a spring of the breast beam of the rapier loom is 55000-55000 N / m. The triangular roller of the rapier loom adopts a rubber roller belt to uniformly wind woven cloth. According to the utility model, the rear beam and the breast beam of the rapier loom are adjusted to the same height level, so that the upper and lower layers of yarns are kept stable in tension during opening during production, the uniformity of grids is further facilitated, and the spring stiffness coefficient of the rear beam is set to be 25,000-55000 N / m, so that the rear beam can be vibrated through the spring, and the tension of the upper and lower layers of yarns is reduced. The warp tension in the weaving process is dynamically kept stable, and the situation that a cloth fell moves in the heald lifting process, and consequently grid displacement or contusion is caused is avoided.

Description

Technical Field

[0001] This utility model belongs to the field of medical device technology, and in particular relates to a production device for mesh fabrics that do not require shaping and drying. Background Technology

[0002] Existing technologies for producing sparsely woven mesh fabrics, such as 1000D multifilament mesh with a warp-to-weft density of less than 22 threads / inch * 22 threads / inch, typically use water-jet looms. For example, with a weft density of 22 threads / inch, a single weft yarn usually occupies 1.15mm of width. In the fabric, a 1000D yarn, under external pressure, is actually only about 0.7mm to 0.8mm wide, leaving a gap of 0.35 to 0.45mm between yarns. To ensure a uniform mesh, water-jet looms are usually used. Because water-jet looms use water as the weft insertion medium, the high-speed water jet impact reduces the surface oil of the warp and weft yarns by 20-30%, increasing the surface friction between them and helping to maintain a uniform mesh during weaving. During water-jet weaving, the fabric is wet, which also increases the surface friction of the warp and weft yarns, further contributing to a uniform mesh during weaving. Water jet looms use water as the weft insertion medium, which is sprayed out by a water pump. This results in less equipment vibration during the weft insertion process, making it easier to maintain a uniform fabric mesh. In contrast, rapier weft insertion uses mechanical transmission, which generates vibration and is detrimental to maintaining a stable fabric mesh.

[0003] However, using water jet weaving can cause the following problems with the product:

[0004] 1. If the mesh fabric required in the subsequent process does not need to be sized, the mesh fabric produced by water spraying is wet and needs to be dried, which wastes energy and increases costs.

[0005] 2. If sizing is required in the subsequent process, the fabric will be wet, and the moisture content of fabrics produced at different times will vary. Due to the different moisture content, the sizing rate of the fabric will also change during sizing, affecting the stability of the sizing amount. Usually, it is necessary to drain most of the moisture from the fabric for a long time, wasting storage time and hindering rapid production response.

[0006] 3. Water jet looms typically produce mesh fabrics by in-machine winding. The length of the raw roll is usually around 1 kilometer, which is short. However, the subsequent lamination is usually a continuous production process, which requires splicing. Splicing usually produces 10 to 20 meters of defective products at the joint.

[0007] Therefore, how to overcome the problem of mesh displacement and damage caused by large weaving vibration when rapier looms produce large mesh fabrics is an urgent issue that needs to be addressed. Utility Model Content

[0008] This invention provides a production apparatus for non-setting and drying mesh fabrics, which can effectively solve the above-mentioned problems.

[0009] This utility model is implemented as follows:

[0010] A production apparatus for non-setting and drying mesh fabrics includes a rapier loom, wherein the rear beam of the rapier loom and the breast beam of the rapier loom are located on the same horizontal plane, the spring constant of the rear beam of the rapier loom is 25000-55000 N / m, and the triangular rollers of the rapier loom use rubber roller belts to uniformly wind the fabric.

[0011] As a further improvement, an external winding mechanism is also included, which includes two sets of mounting bases. Adjusting columns are symmetrically arranged on the top of the two sets of mounting bases. Each set of adjusting columns is provided with an adjusting groove. A gravity roller is rotatably arranged between the two sets of adjusting grooves. Two sets of parallel rollers are rotatably arranged between the mounting bases.

[0012] As a further improvement, the surface of the rubber roller belt is provided with fine texture.

[0013] As a further improvement, the spacing between the fine lines is less than 1 / 3 of the fabric mesh size.

[0014] As a further improvement, the thickness of the rubber roller belt is 2-4 mm.

[0015] As a further improvement, the rubber surface material of the rubber roller belt can be silicone rubber or nitrile rubber.

[0016] As a further improvement, the surface hardness of the rubber roller belt is 65-85A.

[0017] The beneficial effects of this utility model are as follows: by adjusting the back beam and breast beam of the rapier loom to the same height, the upper and lower layers of yarn maintain a stable tension when they open during production, which helps to maintain a uniform mesh. Secondly, by setting the spring stiffness coefficient of the back beam to 25,000-55,000 N / m, the back beam can dynamically maintain stable warp tension during the weaving process through spring vibration, preventing the weft from shifting when the heddles are lifted, which could cause mesh displacement or damage. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of a production device for non-setting and drying mesh fabrics according to the present invention.

[0020] Figure 2 This is a schematic diagram of the collection process of a production device for non-setting and drying mesh fabrics according to this utility model;

[0021] Figure label:

[0022] 1-Gravity roller, 2-Roller, 3-Triangle roller, 4-Breast beam, 5-Heald frame, 6-Rear beam, 7-Spring, 8-Mounting base, 9-Adjusting column. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0024] In the description of this utility model, the terms "upper", "lower", "above", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] Reference Figure 1-2 As shown, this embodiment provides a production apparatus for non-setting and drying mesh fabrics, including a rapier loom. The rear beam of the rapier loom and the breast beam of the rapier loom are located on the same horizontal plane. The spring constant of the rear beam of the rapier loom is 25000-55000 N / m. The triangular roller of the rapier loom uses a rubber roller belt to uniformly wind the fabric.

[0026] By adjusting the back beam and breast beam of the rapier loom to the same height, the upper and lower layers of yarn maintain stable tension when they open during production, which helps to maintain a uniform mesh. Secondly, the spring stiffness coefficient of the back beam is set to 25,000-55,000 N / m, so that the back beam can dynamically maintain stable warp tension during the weaving process through spring vibration, preventing the warp ends from moving when the heddles are lifted in the heddle frame, which could cause mesh displacement or damage.

[0027] Furthermore, it also includes an external winding mechanism, which includes two sets of mounting bases. The tops of the two sets of mounting bases are symmetrically provided with adjusting columns. Each set of adjusting columns is provided with an adjusting groove. A gravity roller is rotatably arranged between the two sets of adjusting grooves. Two sets of parallel rollers are rotatably arranged between the mounting bases.

[0028] When winding long rolls, after 1-2 kilometers, the fabric roll diameter becomes approximately 60-90 cm. During the 2-3 kilometer winding process, due to the concentration of internal stress during winding, the inner layers are prone to relative slippage, causing damage or unevenness to the fabric mesh. Therefore, when using an external winding mechanism, the winding tension gradually decreases from the inner layer to the outer layer, typically with the inner layer winding tension being 10-20% higher than the outer layer. The inner layer winding tension is usually set at 80-160 N to prevent stress concentration and slippage during winding. Furthermore, at the initial stage of winding, a pressure of 30-100 kg is applied to the fabric roll using a gravity roller, ensuring that no dynamic friction is generated during the winding process, thus preventing damage to the fabric surface.

[0029] Furthermore, the surface of the rubber roller belt is provided with fine textures.

[0030] By creating fine grooves on the rubber roller belt, the rubber surface of the roller belt can clamp the fabric mesh tightly, increasing friction and thus reducing the possibility of the fabric mesh slipping.

[0031] Furthermore, the spacing between the fine lines is less than 1 / 3 of the fabric mesh size.

[0032] By setting the spacing between the fine grooves of the rubber roller belt to be less than 1 / 3 of the fabric mesh size, each fabric mesh can be held by the fine grooves, thus preventing the fabric mesh from being damaged.

[0033] Furthermore, the thickness of the rubber roller belt is 2-4 mm.

[0034] Furthermore, the rubber surface material of the rubber roller belt can be silicone rubber or nitrile rubber, and the hardness of the rubber surface of the rubber roller belt is 65-85A.

[0035] The purpose of selecting a hardness of 65-85A is to cause a certain deformation of the rubber surface between the triangular rollers during winding, which can increase the gripping force and clamping area of ​​the triangular roller area on the mesh.

[0036] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A production apparatus for non-setting and drying mesh fabrics, comprising a rapier loom, characterized in that, The rear beam of the rapier loom and the breast beam of the rapier loom are located on the same horizontal plane. The spring constant of the rear beam of the rapier loom is 25000-55000N / m. The triangular roller of the rapier loom uses a rubber roller belt to evenly wind the fabric.

2. The production apparatus for non-setting and drying mesh fabrics according to claim 1, characterized in that, It also includes an external winding mechanism, which includes two sets of mounting bases. The top of the two sets of mounting bases is symmetrically provided with adjusting columns. Each set of adjusting columns is provided with an adjusting groove. A gravity roller is rotatably arranged between the two sets of adjusting grooves. Two sets of parallel rollers are rotatably arranged between the mounting bases.

3. The production apparatus for non-setting and drying mesh fabrics according to claim 1, characterized in that, The surface of the rubber roller belt is provided with fine texture.

4. The production apparatus for non-setting and drying mesh fabrics according to claim 3, characterized in that, The spacing between the fine lines is less than 1 / 3 of the fabric mesh size.

5. The production apparatus for non-setting and drying mesh fabrics according to claim 3, characterized in that, The thickness of the rubber roller belt is 2-4 mm.

6. The production apparatus for non-setting and drying mesh fabrics according to claim 3, characterized in that, The rubber surface material of the rubber roller belt can be silicone rubber or nitrile rubber.

7. The production apparatus for non-setting and drying mesh fabrics according to claim 6, characterized in that, The surface hardness of the rubber roller belt is 65-85A.

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