CN112126761A - A flat metal mesh heat treatment device - Google Patents

Abstract

The invention discloses a plane type metal mesh heat treatment device, and belongs to the technical field of metal mesh fabric shaping. The invention comprises two support surfaces, wherein each support surface comprises a bearing rod, the bearing rods of the outer frame are connected in a welding, riveting or gluing mode, the bearing rods of the inner frame and the bearing rods of the outer frame are connected by springs, the bearing rods of the inner frame can move relatively along with the stress of the metal mesh, and the stress degree of the metal mesh is determined by the using number of the springs, so that the stress of the metal mesh can be accurate in the heat treatment process. The obtained metal mesh surface has too large curling degree because the metal wires are easy to bend and deform in the weaving process, and the heat treatment device not only can enable the metal mesh to have smoother appearance, but also achieves the advantages of cost saving, less material constraint and industrialization, and is also suitable for weaving, warp knitting, weft knitting and other mesh fabrics.

Description

A flat metal mesh heat treatment device

technical field

The invention relates to a flat metal mesh heat treatment device, which belongs to the technical field of metal mesh fabric setting.

Background technique

Knitted fabric is a fabric formed by a group of yarns longitudinally interlocked into a loop, and another group of yarns formed by laying yarns in the warp direction, including warp knitted fabric and weft knitted fabric, knitted nets are usually made by warp knitting method; The fabric made of warp and weft yarns intertwined with each other according to a certain rule, usually using leno and fake leno to form a woven net. The flexible metal mesh fabric produced by textile technology (knitting technology and weaving technology) is resistant to corrosion, aging, and has excellent electromagnetic shielding performance, and has also developed in the fields of construction, transportation, and aerospace. The metal wire is prone to bending deformation during the weaving process, and the metal mesh will also be affected by the bending moment during use, so the resulting metal mesh surface is too curled. With the development of science and technology, flexible metal meshes have attracted more and more attention from researchers and physicists of flexible materials. As far as the textile industry is concerned, exploration in this field is also underway.

The tensile, bending and shear properties of the metal mesh are all related to the bending stiffness of the metal wire. The metal mesh used in the general heat treatment processing device is a rod-shaped tensile and high-hardness sample material. After homogenization and quenching, it can achieve certain required electrical conductivity and hardness properties. In the production process of metal mesh produced by weaving and knitting technology, due to the small diameter of the metal wire, the metal mesh prepared during warping (knitting process) or harnessing (weaving process) due to internal Stress is very prone to curling, so the general heat treatment method cannot make the internal stress of the metal wire of the flexible metal mesh disappear, and the appearance of the flexible metal mesh cannot be made flat, and the effect on the shaping of the flexible metal mesh is poor.

SUMMARY OF THE INVENTION

[technical problem]

The metal mesh used in the existing heat treatment processing device is a rod-like tensile and high-hardness sample material. The heat treatment of the flexible metal mesh cannot make the internal stress of the metal wire of the flexible metal mesh disappear, and the appearance of the flexible metal mesh cannot be smoothed. The effect of metal mesh setting is poor, and the operation efficiency is low.

[Technical solutions]

A flat metal mesh heat treatment device, comprising an inner support surface composed of a plurality of inner bearing rods and an outer support surface composed of a plurality of outer bearing rods, the inner support surface is arranged in the outer support surface, and the inner support surface It is connected with the outer support surface through an elastic device, the metal mesh is arranged on the inner support surface, and the inner bearing rod moves relatively with the force of the metal mesh.

In an embodiment of the present invention, the outer support surface is composed of four outer bearing rods that are fixedly connected, the inner support surface is composed of four inner bearing rods, and the four inner bearing rods of the inner frame are composed of four inner bearing rods. The joints are not fixed and can move relative to each other.

In an embodiment of the present invention, it further includes a plurality of support rods, the support rods are fixed on the inner bearing rods at equal intervals, and the vertex of each mesh of the outermost side of the metal mesh is hung on the support rods , the distance between the support rods is determined by the distance between the meshes of the metal mesh.

In an embodiment of the present invention, the elastic device is a spring, the spring is connected to the outer bearing rod and the inner bearing rod, and the stress degree of the metal mesh can be changed by setting different numbers of springs.

In an embodiment of the present invention, a vertical base support rod for supporting the heat treatment device is further included, and four vertical base support rods are provided at the connection points of the four external bearing rods.

In one embodiment of the present invention, before placing the metal mesh to be heat-treated on the inner support surface, the metal mesh to be heat-treated is cut into a predetermined size and shape, and the predetermined size and shape are the same as the size and shape of the inner support surface. corresponding shape.

In one embodiment of the present invention, the spring constant of the spring is determined by the maximum breaking force that the metal mesh to be heat-treated can withstand.

In an embodiment of the present invention, the number of the springs is the same as the number of the support rods.

In an embodiment of the present invention, the spring is a high temperature resistant ceramic spring.

In one embodiment of the present invention, the size of the heat treatment device is adjusted according to the size of the heat treatment sample and the heat treatment furnace.

[Beneficial effect]

By setting the number of springs connected between the inner support surface and the outer support surface, the force of the metal mesh can be determined. At the same time, the inner support surface can move relatively with the force, and the metal mesh is in a flat state for heat treatment. Evenly, the heating is also uniform, so that the internal stress can be better eliminated during the heat treatment process, so that the surface of the metal mesh is smoother. The invention improves the curling degree of the flexible metal mesh to a certain extent, enables the metal mesh to obtain excellent aesthetic effects, saves costs, has less material constraints, and can realize the advantages of industrialization.

In view of the problem of shaping the flexible metal mesh in the prior art, the metal mesh is kept in a certain tension process for heat treatment, so that the internal stress of the metal mesh is eliminated during the heat treatment process, and the effect of making the metal mesh surface smoother is achieved. The tension value reached when the metal mesh is heat treated at a certain temperature.

Description of drawings

FIG. 1 is a perspective view of the structure of the flat metal mesh heat treatment device of Example 1. FIG.

FIG. 2 is a plan view of the flat metal mesh heat treatment device of Example 1. FIG.

FIG. 3 is a front view of the flat metal mesh heat treatment device of Example 1. FIG.

In the figure: 1 is the outer frame; 2 is the spring; 3 is the inner frame, 4 is the outer frame bearing rod; 5 is the inner frame bearing rod, 6 is the vertical base support rod, 7 is the bracket rod, and 8 is the outer frame The small ring of the bearing rod, 9 is the small ring of the bearing rod of the inner frame.

Detailed ways

The present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

Example 1

This embodiment provides a flat metal mesh heat treatment device, which is a cuboid structure, including: an outer frame 1, a spring 2, an inner frame 3, an outer frame bearing rod 4, an inner frame bearing rod 5, and a vertical base support rod 6 , Support rod 7, outer frame bearing rod small ring 8, inner frame bearing rod small ring 9.

The outer frame 1 is composed of four outer frame bearing rods 4 that are fixedly connected, the four outer frame bearing rods 4 cannot move with each other, the outer frame 1 constitutes an outer support surface, and the four outer frame bearing rods 4 are connected at the connection There are four vertical base support rods 6; the inner frame 3 is composed of four inner frame bearing rods 5 and the joints of the four inner frame bearing rods 5 of the inner frame are not fixed and can move each other, The inner frame 3 constitutes an inner support surface.

The four outer frame bearing rods 4 are connected by welding, riveting or gluing, the bracket rod 7 is fixed on the inner frame bearing rod 5 by welding, and the inner frame bearing rod 5 is welded with Six equidistant support rods 7, outer frame bearing rod small ring 8, inner frame bearing rod small ring 9 are respectively welded on the outer frame bearing rod 4 and the inner frame bearing rod 5; the spring 2 One end is hung on the small ring 8 of the bearing rod of the outer frame, and the other end is hung on the small ring 9 of the bearing rod of the outer frame, and the spring 2 can be freely disassembled and connected between the bearing rod 4 of the outer frame and the bearing rod 5 of the inner frame; The support rod 7 is connected to the flexible warp-knitted metal mesh, and the vertex of each mesh of the outermost side of the flexible warp-knitted metal mesh is hung on the support rod 7, and the distance set between the support rods 7 is determined by the mesh size of the metal mesh. Certainly, the spring 2 is connected to the outer frame bearing rod 4 and the inner frame bearing rod 5, which can ensure that the tension on each edge of the metal mesh is uniform. The force degree of the metal mesh can be determined by setting the number of springs 2 on the inner frame bearing rods 5. For example, the force of the metal mesh can be determined by the deformation coefficient and deformation amount of the spring in Hooke's law. The inner frame bearing rod 5 can move relatively with the force of the metal mesh, so that the metal mesh can be accurately subjected to the force during the heat treatment process. Since the ultra-fine metal wire is bent into a circle during the warp knitting process, the obtained metal mesh surface is too curled. This heat treatment device can not only make the appearance of the metal mesh smoother, but also save costs and greatly save time. , improves production efficiency, has less material constraints, and can achieve the advantages of industrialization. It is also suitable for woven, knitted and weft knitted crimped mesh fabrics.

Further, the outer frame 1, the inner frame 3, the outer frame bearing rod 4, the inner frame bearing rod 5, the vertical base support rod 6, the fixed support rod 7, etc. all adopt the melting point of about 1,000 degrees and have a certain temperature. High-temperature-resistant material with rigidity, such as steel; the support rod 7 is a small cylinder, and the spring also needs to be made of high-temperature-resistant material. In this embodiment, a high-temperature-resistant ceramic spring is used.

Further, when the device is fixing the metal mesh, the strength of the metal mesh can be determined by the extension and deformation length of the spring 2 .

Further, the spring constant of the spring 2 is determined by the maximum breaking strength that the metal mesh to be heat-treated can bear.

Further, the length of the inner frame bearing rod 5 is set by the size of the metal mesh to be heat-treated and the size of the outer support surface.

Further, placing the heat-treated metal mesh on the inner support surface includes: cutting the heat-treated metal mesh into a predetermined size and shape, the predetermined size and shape corresponding to the size and shape of the inner support surface.

Further, the size of the heat treatment device can be adjusted according to the size of the heat treatment sample and the heat treatment furnace.

The protection scope of the present invention is not limited to the above-mentioned embodiments, and any modifications, equivalent replacements and improvements that can be made by professionals in the field within the spirit and principles of the present invention should be included in the protection of the present invention. within the range.

Claims (10)

1. A plane type metal net heat treatment device is characterized by comprising an inner supporting surface and an outer supporting surface, wherein the inner supporting surface is composed of a plurality of inner bearing rods, the outer supporting surface is composed of a plurality of outer bearing rods, the inner supporting surface is arranged in the outer supporting surface, the inner supporting surface is connected with the outer supporting surface through an elastic device, a metal net is arranged on the inner supporting surface, and the inner bearing rods move relatively along with the stress of the metal net.

2. A planar expanded metal heat treatment apparatus as claimed in claim 1, wherein said outer support surface is comprised of four fixedly connected outer load-bearing bars, said inner support surface is comprised of four inner load-bearing bars and the joints of the four inner load-bearing bars of the inner frame are free to move relative to each other.

3. The apparatus of claim 2, further comprising a plurality of support rods fixed to the inner support rods at equal intervals, wherein the apexes of each mesh of the outermost side of the wire net are hung on the support rods, and the distance between the support rods is determined by the distance between the meshes of the wire net.

4. The planar metal mesh heat treatment device as claimed in claim 3, wherein the elastic means is a spring, the spring connects the outer bearing rod and the inner bearing rod, and the stress degree of the metal mesh is changed by arranging different numbers of springs.

5. The planar metal mesh heat treatment device according to claim 4, further comprising vertical base support rods for supporting the heat treatment device, wherein four vertical base support rods are provided at the joints of the four outer load-bearing rods.

6. A planar gauge wire heat treatment apparatus as claimed in claim 5, wherein the gauge wire to be heat treated is cut into a predetermined size and shape corresponding to the size and shape of the inner support surface before the gauge wire to be heat treated is placed on the inner support surface.

7. A planar metal mesh heat treatment apparatus as claimed in claim 6, wherein the spring constant of said spring is determined by the maximum breaking force that the metal mesh to be heat treated can withstand.

8. The apparatus of claim 7, wherein the number of said springs is the same as the number of said support rods.

9. The apparatus of claim 8, wherein the spring is a refractory ceramic spring.

10. The flat type heat treatment apparatus for expanded metal as claimed in any one of claims 1 to 9, wherein the size of said heat treatment apparatus is adjusted according to the size of the heat treatment sample and the heat treatment furnace.

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