WO2021051523A1 - 发泡介质材料及发泡介质材料生产方法 - Google Patents

发泡介质材料及发泡介质材料生产方法 Download PDF

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Publication number
WO2021051523A1
WO2021051523A1 PCT/CN2019/116952 CN2019116952W WO2021051523A1 WO 2021051523 A1 WO2021051523 A1 WO 2021051523A1 CN 2019116952 W CN2019116952 W CN 2019116952W WO 2021051523 A1 WO2021051523 A1 WO 2021051523A1
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Prior art keywords
tube
medium material
rod
foamed
foaming
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PCT/CN2019/116952
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English (en)
French (fr)
Inventor
郑洪振
芦永超
李伟
尚春辉
孙耀志
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佛山市粤海信通讯有限公司
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Priority to US17/617,484 priority Critical patent/US20220119615A1/en
Publication of WO2021051523A1 publication Critical patent/WO2021051523A1/zh

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/36—After-treatment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
    • H01Q15/08—Refracting or diffracting devices, e.g. lens, prism formed of solid dielectric material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2207/00—Foams characterised by their intended use
    • C08J2207/06—Electrical wire insulation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene

Definitions

  • the present invention relates to the field of dielectric material manufacturing, and more specifically, to a dielectric material processed from foamed materials that can be used to make Lumber lens and a method for producing the dielectric material.
  • the product and the manufacturing method described in the publication are actually flawed: because the size of the particles is small, usually only a few millimeters square, the knife method used when cutting the sandwich structure into particles Basically, it is the cutting method of warp and weft, which leads to a relatively large amount of cutting work in the later stage, and a relatively high precision requirement for cutting, which will eventually lead to an increase in production costs.
  • the invention provides a foaming medium material, which is used to solve the problems of low production efficiency and high production cost of the current medium material.
  • the foaming medium material in particular, is a column structure or a tube structure formed by foaming a foam material; a number of gaps are cut on the surface of the column structure or the tube structure, and metal wire segments are sandwiched in the gaps; different The metal wire segments inside the gap do not touch each other.
  • the foamed material is preferably EPE pearl cotton or EPS or EVA materials.
  • the metal wire segment preferably runs along the longitudinal direction of the column structure or the tube structure; or runs in a spiral direction around the column structure or the tube structure. At this time, it is equivalent to cutting a slit longitudinally on the surface of the column structure or the tube structure, or cutting the slit spirally.
  • the metal wire segments are preferably regularly and evenly distributed.
  • the regularity mentioned here is relative to the irregular and random distribution.
  • the number of the metal wire segments is preferably 2 to 8.
  • the diameter of the metal wire segment is preferably in the range of 0.01 to 0.5 mm.
  • the outer peripheral contour shape of the cross section of the column structure or the tube structure may be a circle or a regular polygon or the like.
  • the outer contour shape of the cross section of the column structure or the tube structure generally does not exceed the range of a circle with a radius of 20 mm.
  • the length of the column structure or the tube structure generally does not exceed 20 mm.
  • the foamed medium material with such a structure has the advantages of simple structure, accurate control of the dielectric constant, light weight per unit volume, and easy high-efficiency production, stable technical indicators, etc., especially in the case of a tube structure. If such materials are used to produce the Lumber lens, the production cost and weight of the Lumber lens can be significantly reduced, and it plays a very positive role in the use and promotion of the Lumber lens in communication antennas.
  • the important indicator of the dielectric material is the dielectric constant, and the foam material used in the column structure or the tube structure should be made of materials with the lowest dielectric constant as possible.
  • the number, material and diameter of the metal wire segments can all be used to increase the dielectric constant, and these materials and/or parameters can be controlled manually, so the production can be made by artificially setting these materials and/or parameters
  • the dielectric constant of the foamed dielectric material finally meets the target.
  • the present invention also provides a foaming medium material production method, which is used for efficiently and low-costly producing medium materials with lighter unit volume and weight.
  • the following technical solutions are adopted:
  • the production method of foaming medium material includes the following steps:
  • the buried wire rod or buried wire tube is cut to the required length to obtain the foaming medium material.
  • the long rod-shaped piece or tube-shaped piece made by the existing technology can be made into a granular column structure or a pipe structure with a metal line segment inside.
  • Such a foaming medium material is produced The method can realize continuous production, and the production efficiency is very high.
  • a surface coating or surface hot-melting step can be added to connect the metal wire to the rod or tube. Fixed together.
  • the two devices can be considered as a slotting and embedding device.
  • One of the structures of the slitting device may include a knife holder, the knife holder is formed with a through hole, and a plurality of blades are fixed on the knife holder, and the cutting edges of the blades extend into the through hole. In this way, when the rod or tube passes through the through hole of the slitting device, the rod or tube has to be cut by the cutting edge of the blade, and one blade corresponds to a slit.
  • the gap formed on its surface will run longitudinally; when the rod or tube runs along its own central axis on one side After the slitting device, one side rotates relative to the tool holder, and the gap formed by the surface of the rod-shaped member or the tube-shaped member at the side will be helical.
  • One of the structures of the wire embedding device may include: a lead arm fixing frame, the lead arm fixing frame is formed with a feed hole, a number of lead arms are fixed on the lead arm fixing frame, the number and distribution of the lead arms The position corresponds to the number and distribution of the gaps on the surface of the rod or tube, and the crimping end of the lead arm extends into the inside of the feed hole; the lead arm fixing frame is also provided with a number of The position of the metal wire and the lead holes for guiding the direction of the metal wire, each lead hole is correspondingly located in the vicinity of a lead arm. In this way, when the rod or tube passes through the feed hole of the wire embedding device, the gaps have to be temporarily opened by the crimping end of the corresponding lead arm, and then closed naturally after being buried in the wire. .
  • a granular foaming medium material with metal wire segments inside can be simply and efficiently produced without the need for warp and weft cutting, and because such foaming medium materials are used in The existing conventional products are improved, so the process is simple, the production cost is low, and the weight per unit volume is also very light.
  • the average dielectric constant of the final foamed dielectric material can be controlled by selecting the number, material and diameter of the metal wires.
  • the rod-shaped member or the tube-shaped member in the production method is preferably EPE pearl cotton, EPS or EVA and other materials.
  • the buried wire rod or buried wire tube can be cut to the same length and then go to step 3), or it can be wound into a bobbin as a whole and then go to step 3).
  • the foamed dielectric material production method of the present invention has the advantages of high production efficiency, low cost, light weight, easy control of dielectric properties, and the like, and the prepared foamed dielectric material can be used for the production of Lumbert lenses.
  • Fig. 1 is a schematic view of the front structure of the foamed medium material of Example 1;
  • Fig. 2 is a schematic sectional view of the structure taken along the line A-A in Fig. 1;
  • FIG. 3 is a schematic diagram of the front structure of the foamed medium material of Embodiment 2;
  • Fig. 4 is a schematic cross-sectional view taken along the line B-B in Fig. 3;
  • Figure 5 is a schematic front view of the structure of the slitting device of embodiment 3.
  • Fig. 6 is a schematic cross-sectional view taken along the line C-C in Fig. 5;
  • Fig. 7 is a schematic front view of the structure of the embedding device of embodiment 3.
  • Fig. 8 is a schematic sectional view of the structure taken along line D-D in Fig. 7;
  • FIG. 9 is a schematic diagram of the working principle of the embedding device of embodiment 3.
  • This embodiment is an illustrative example of the foamed media material structure of the present invention.
  • the foamed medium material 1 of this embodiment is a cylindrical structure, and four slits 11 running along the longitudinal direction of the cylindrical structure are cut on the side surface of the cylindrical structure.
  • a metal wire segment 12 is sandwiched in each slot 11, and the metal wire segments 12 in different slots 11 are not in contact with each other.
  • the four slits 11 in this embodiment are evenly distributed on the side surface of the column structure. Since the slits 11 run along the longitudinal direction of the column structure and do not cross each other, the metal wire segments 12 sandwiched in the gap 11 are also along the The longitudinal direction of the column structure does not touch each other.
  • the diameter D1 of the bottom surface of the cylindrical structure of the foamed medium material 1 of this embodiment is 5 mm, and the height H1 is also 5 mm.
  • the material of the cylindrical structure in this embodiment is EPE pearl cotton, that is, polyethylene foamed cotton.
  • This embodiment is another illustrative example of the foamed media material structure of the present invention.
  • the foamed medium material 2 of this embodiment is a tube structure, and four slits 21 running along the longitudinal direction of the tube structure are cut on the side surface of the tube structure.
  • a metal wire segment 22 is sandwiched in each slot 21, and the metal wire segments 22 in different slots 21 are not in contact with each other.
  • the four slits 21 in this embodiment are evenly distributed on the outer surface of the tube structure. Since the slits 21 run along the longitudinal direction of the tube structure and do not cross each other, the metal wire segments 22 sandwiched in the slit 21 are also along the The longitudinal direction of the tube structure does not touch each other.
  • the outer diameter D2 of the bottom surface of the tube structure foamed medium material 2 of this embodiment is 8 mm, and the height H2 is 6 mm.
  • the inner hole is a square hole 23, and the diameter D3 of the circumscribed circle of the bottom surface of the square hole 23 is 0.625 times the outer diameter D2 of the bottom surface, that is, 5 mm.
  • the four metal wire segments 22 each correspond to the four bottom sides of the square hole 23, and are directly opposite to the middle of each of these bottom sides.
  • the material of the tube structure in this embodiment is EPE pearl cotton, that is, polyethylene foamed cotton.
  • This embodiment is an illustrative example of the production method of the foamed media material of the present invention.
  • the slitting device 3 of this embodiment includes a knife holder 31, and the knife holder 31 is formed with a through hole 32.
  • Four blades 33 are fixed on the knife holder 31, and the four blades 33 are mutually 90° on the circumference.
  • the cutting edges of these blades 33 extend into the inside of the through hole 32, and as the rod passes through the through hole 32, it passes through the slitting device 3, and the slitting device 3 correspondingly cuts 4 slits on the surface of the rod. ; Because the rod-shaped piece only moves linearly along its own central axis, the four slits cut out on its surface are naturally along the longitudinal direction of the rod-shaped piece.
  • the wire embedding device 4 of this embodiment includes a lead arm fixing frame 41, which is formed with a feeding material
  • 4 guide arms 43 are fixed on the guide arm fixing frame 41, and the 4 guide arms 43 are mutually formed at 90° on the circumference.
  • the wire pressing ends 44 of these guide arms 43 extend into the inside of the feed hole 42.
  • a number of lead holes 45 for defining the position of the metal wire 46 and the direction of guiding the metal wire 46 are also provided on the lead arm fixing frame 41, and each lead hole 45 is correspondingly located near a piece of lead arm 43.
  • the rod-shaped piece passes through the wire embedding device 4 through the feed hole 42, its gaps have to be temporarily opened by the crimping end 44 of the corresponding lead arm 43, while being buried in the metal wire 46, and then naturally Close, now you get the buried wire rod.
  • the metal wire 46 in this embodiment is unwinded by 4 wire reels at the same time.
  • the buried wire rod is cut into a cylindrical structure with a height of 5 mm by a fixed-length cutting machine, and the foamed medium material of the structure described in Example 1 is obtained.
  • the rod-shaped piece can be a shorter length, such as 6 meters long, and then go to step 1), or it can be wound into a bobbin as a whole and then go to step 1).
  • the seamed rod-shaped piece obtained after step 1) can be cut to a shorter length first, such as 6 meters long, then go to step 2), or go directly to step 2).
  • This embodiment is another illustrative example of the production method of the foamed media material of the present invention.
  • the difference between this embodiment and the third embodiment is that after the embedded wire rod is obtained, a surface coating treatment or a surface hot-melting treatment is also performed to prevent the metal wire from falling off from the gap.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Aerials With Secondary Devices (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

一种发泡介质材料（1，2），用来解决现时发泡介质材料（1，2）生产效率较低、生产成本较高的问题。发泡介质材料（1，2）是由发泡材料发泡后形成的柱体结构或管体结构；在柱体结构或管体结构的表面切割有若干缝隙（11），在缝隙（11）里面夹有金属线段（12，22）；不同缝隙（11）里面的金属线段（12，22）互不接触。这样结构的发泡介质材料（1，2）具有结构简单，介电常数可准确控制，单位体积重量轻，易于高效生产、技术指标稳定等优点。还提供一种可用于生产所述发泡介质材料（1，2）的生产方法。将已发泡成型的棒形件或管形件先穿过割缝装置（3），再穿过埋丝装置（4），然后再截断成所需长度。该生产方法具有生产效率高、成本低、重量轻、容易控制介电特性等优点。

Description

发泡介质材料及发泡介质材料生产方法 技术领域
本发明涉及介质材料制造领域，更具体地说，涉及可用于制作龙伯透镜的由发泡材料加工而成的介质材料及该介质材料的生产方法。
 背景技术
名为“AN ARTIFICIAL DIELECTRIC MATERIAL AND A METHOD OF MANUFACTURING THE SAME”，公开号为WO2009078807，公开日为2009年6月25日的专利文献公开了一种人造介电材料及其制造方法,这种人造介电材料可以用于制造龙伯透镜。其技术方案主要是将平行布置的长的导电纤维放入到上下两片发泡材料之间，在粘合固定后再将这样的三文治结构的片切割成颗粒，所得的颗粒中即带有短的互相不接触的导电纤维，将这些颗粒随机混合并用粘合剂固定在一起即制得介电常数受控的介电材料。
然而该公开文献所描述的产品及制造方法在实际上是存在缺陷的：由于颗粒的尺寸很小，通常只有几毫米见方，因此在将该三文治结构的片切割成颗粒时，所采用的刀法基本上就是经向加纬向的切法，这就导致后期的裁切工作量比较大，裁切的精度要求也比较高，最终都会导致生产成本的增加。
于是需要对现有的介电材料的结构以及制造方法进行改进。
 技术问题
本发明提供一种发泡介质材料，用来解决现时介质材料生产效率较低、生产成本较高的问题。
 技术解决方案
发泡介质材料，特别地，是由发泡材料发泡后形成的柱体结构或管体结构；在柱体结构或管体结构的表面切割有若干缝隙，在缝隙里面夹有金属线段；不同缝隙里面的金属线段互不接触。
所述发泡材料优选是EPE珍珠棉或EPS或EVA等材料。
所述金属线段优选是沿柱体结构或管体结构的纵向走向的；或者是绕柱体结构或管体结构螺旋向走向的。此时相当于在柱体结构或管体结构的表面纵向切割出缝隙，或者螺旋向地切割出缝隙。
所述金属线段优选是有规律地均匀分布的。这里所说的有规律是相对于没有规律的、随机的分布而言。
所述金属线段的数量优选在2至8根。金属线段的直径优选在0.01～0.5mm范围内。
所述柱体结构或管体结构的横截面的外周轮廓形状可以是圆形或者正多边形等。所述柱体结构或管体结构的横截面的外周轮廓形状一般不超出半径为20mm的圆范围。
所述柱体结构或管体结构的长度一般不超过20mm。
这样结构的发泡介质材料具有结构简单，介电常数可准确控制，单位体积重量轻，尤其是管体结构的情况下，易于高效生产、技术指标稳定等优点。将这样的材料用于生产龙伯透镜的话，则可显著降低龙伯透镜的生产成本和重量，对龙伯透镜在通信天线上的使用和推广起到了非常积极的作用。
应当说明的是，介质材料的重要指标是介电常数，柱体结构或管体结构所用的发泡材料应该选用介电常数尽可能低的材料。而金属线段的数量、材料和直径都是可以用来提升介电常数的，且这些材料和/或参数是可以人为控制的，于是通过人为设定这些材料和/或参数就可以令所生产出来的发泡介质材料的介电常数最终符合目标。
本发明还提供一种发泡介质材料生产方法，用于高效、低成本地生产单位体积重量较轻的介质材料。采用以下技术方案：
发泡介质材料生产方法，包括以下步骤：
1）将已发泡成型的棒形件或管形件穿入到一个割缝装置，随着棒形件或管形件走过割缝装置，割缝装置在棒形件或管形件的表面切割出若干缝隙；
2）将被割出缝隙的棒形件或管形件穿入到一个埋丝装置，随着棒形件或管形件走过埋丝装置，埋丝装置将金属线埋入缝隙内，此时得到埋丝棒或埋丝管；
3）后续将埋丝棒或埋丝管截断成所需的长度即得到发泡介质材料。
通过以上步骤，即可将采用现有工艺制成的长条的棒形件或管形件制作成颗粒状的内部带有金属线段的柱体结构或管体结构，这样的发泡介质材料生产方法可以实现连续的生产，生产效率非常高。
为进一步确保埋丝棒或埋丝管中的金属线不会自行脱落，在上述步骤2）之后可以加入一个表面涂胶或表面热熔的步骤，以将金属线与棒形件或管形件固定在一起。
由于割缝装置和埋丝装置两者的物理位置事实上可以做得很近，因此可以考虑将该两个装置做成一个割缝埋丝装置。
所述割缝装置的其中一种结构可以是：包括刀架，刀架形成有穿过孔，在刀架上固定有若干刀片，所述刀片的刃口伸入所述穿过孔的内部。这样，当棒形件或管形件走过割缝装置的穿过孔，则棒形件或管形件不得不被所述刀片的刃口割开，此时一片刀片将对应一道割缝。当棒形件或管形件是仅沿其自身中轴线走过割缝装置时，其表面所形成的缝隙将是纵向走向的；当棒形件或管形件是一边沿其自身中轴线走过割缝装置，一边与所述刀架相对转动，侧此时棒形件或管形件的表面所形成的缝隙将是螺旋走向的。
所述的埋丝装置的其中一种结构可以是：包括引臂固定架，引臂固定架形成有进料孔，在引臂固定架上固定有若干引臂，所述引臂的数量和分布位置与棒形件或管形件表面上的缝隙的数量和分布位置对应，且引臂的压线端伸入所述进料孔的内部；在引臂固定架上还设有若干用于限定金属线的位置和引导金属线的方向的引线孔，每个引线孔对应处在一件引臂的附近。这样，当棒形件或管形件走过埋丝装置的进料孔时，其各缝隙不得不被对应引臂的压线端临时地撑开，被埋入金属线后再自然地闭上。
通过这样的技术方案，即可简单高效地制得内部带有金属线段的颗粒状的发泡介质材料，而不需要进行经向和纬向的裁切，并且由于这样的发泡介质材料是在现有的常规产品上改良得来，因此其工艺简单，生产成本低，单位体积的重量也非常轻。而且通过选定金属线的数量、材料和直径等就可以控制最终的发泡介质材料的平均介电常数。
本生产方法所述的棒形件或管形件优选为EPE珍珠棉或EPS或EVA等材料。
所述埋丝棒或埋丝管可以被定长裁断为相同的长度后再进入到步骤3），或者是先整体绕成线盘再进入到步骤3）。
 有益效果
本发明的发泡介电材料生产方法具有生产效率高、成本低、重量轻、容易控制介电特性等优点，所制得的发泡介电材料可用于龙伯透镜的制作。
 附图说明
图1是实施例1的发泡介质材料的主视结构示意图；
图2是图1的A-A向剖视结构示意图；
图3是实施例2的发泡介质材料的主视结构示意图；
图4是图3的B-B向剖视结构示意图；
图5是实施例3的割缝装置的主视结构示意图；
图6是图5的C-C向剖视结构示意图；
图7是实施例3的埋丝装置的主视结构示意图；
图8是图7的D-D向剖视结构示意图；
图9是实施例3的埋丝装置的工作原理示意图。
附图标记说明：1-发泡介质材料；11-缝隙；12-金属线段；2-发泡介质材料；21-缝隙；22-金属线段；23-正方形孔；3-割缝装置；31-刀架；32-穿过孔；33-刀片；4-埋丝装置；41-引臂固定架；42-进料孔；43-引臂；44-压线端；45-引线孔；46-金属线。
 本发明的实施方式
下面结合实施例对本发明内容作进一步说明。
实施例 1
本实施例是本发明发泡介质材料结构的说明例。
如图1、图2所示，本实施例的发泡介质材料1是一圆柱体结构，在圆柱体结构的侧面表面切割有4道沿柱体结构的纵向走向的缝隙11。在每1道缝隙11里面夹有金属线段12，且不同缝隙11里面的金属线段12互不接触。本实施例的4道缝隙11是均匀地分布在柱体结构的侧面表面上的，由于缝隙11是沿柱体结构的纵向走向且互不交叉，因此夹在缝隙11里面的金属线段12也是沿柱体结构的纵向走向而互不接触。
本实施例的发泡介质材料1的圆柱体结构的底面直径D1为5mm，高度H1也是5mm。
本实施例的圆柱体结构的材料为EPE珍珠棉，即聚乙烯发泡棉。
实施例 2
本实施例是本发明发泡介质材料结构的另一说明例。
如图3、图4所示，本实施例的发泡介质材料2是一管体结构，在管体结构的侧面表面切割有4道沿管体结构的纵向走向的缝隙21。在每1道缝隙21里面夹有金属线段22，且不同缝隙21里面的金属线段22互不接触。本实施例的4道缝隙21是均匀地分布在管体结构的外侧面表面的，由于缝隙21是沿管体结构的纵向走向且互不交叉，因此夹在缝隙21里面的金属线段22也是沿管体结构的纵向走向而互不接触。
本实施例的管体结构发泡介质材料2的底面外径D2为8mm，高度H2是6mm。内孔是正方形孔23，正方形孔23的底面的外接圆的直径D3是底面外径D2的0.625倍，即5mm。4根金属线段22各自对应正方形孔23的4条底边，正对于这些底边各自的中部。
本实施例的管体结构的材料为EPE珍珠棉，即聚乙烯发泡棉。
实施例 3
本实施例是本发明发泡介质材料生产方法的说明例。
1）将已发泡成型的直径为5mm棒形件穿入到一个割缝装置3，如图5所示，本实施例的割缝装置3包括刀架31，刀架31形成有穿过孔32，在刀架31上固定有4片刀片33，4片刀片33在圆周上互成90°。这些刀片33的刃口伸入穿过孔32的内部，随着棒形件经穿过孔32而走过割缝装置3，割缝装置3在棒形件的表面对应地切割出4道缝隙；由于棒形件只是沿其自身中轴线作直线运动，于是其表面被切割出的4道缝隙自然地是沿棒形件的纵向走向。
2）将被割出缝隙的棒形件穿入到一个埋丝装置4，如图6所示，本实施例的埋丝装置4包括引臂固定架41，引臂固定架41形成有进料孔42，在引臂固定架41上固定有4根引臂43，4根引臂43在圆周上互成90°，这些引臂43的压线端44伸入进料孔42的内部。在引臂固定架41上还设有若干用于限定金属线46的位置和引导金属线46的方向的引线孔45，每个引线孔45对应处在一件引臂43的附近。随着棒形件经进料孔42而走过埋丝装置4，其各缝隙不得不被对应引臂43的压线端44临时地撑开，同时被埋入金属线46，然后再自然地闭上，此时得到埋丝棒。本实施例的金属线46是由4个线盘同时放卷的。
3）后续通过定长裁切机将埋丝棒截断成高度为5mm的圆柱体结构，即制得实施例1所述结构的发泡介质材料。
应当说明的是，棒形件可以是一段较短的长度，譬如6米长，再进入到步骤1），也可以是先整体绕成线盘再进入到步骤1）。
同样地，如果棒形件是整体绕成线盘再进入到步骤1）的话，则在步骤1）后所得到的带缝棒形件可以是先被定长裁断成长度较短的长度，譬如6米长，然后再进入到步骤2），也可以是直接进入到步骤2）。
实施例 4
本实施例是本发明发泡介质材料生产方法的另一说明例。
本实施例与实施例3的不同之处在于：在得到埋丝棒之后还进行了表面涂胶处理或表面热熔处理，以防止金属线从缝隙中自行脱落。
本说明书列举的仅为本发明的较佳实施方式，凡在本发明的工作原理和思路下所做的等同技术变换，均视为本发明的保护范围。

Claims (10)

  1. 发泡介质材料，其特征是：是由发泡材料发泡后形成的柱体结构或管体结构；在柱体结构或管体结构的表面切割有若干缝隙，在缝隙里面夹有金属线段；不同缝隙里面的金属线段互不接触。
  2. 如权利要求1所述的发泡介质材料，其特征是：所述发泡材料是EPE珍珠棉或EPS或EVA。
  3. 如权利要求1所述的发泡介质材料，其特征是：所述金属线段是沿柱体结构或管体结构的纵向走向的；或者是绕柱体结构或管体结构螺旋向走向的。
  4. 如权利要求1或3所述的发泡介质材料，其特征是：所述金属线段是有规律地均匀分布的。
  5. 如权利要求1所述的发泡介质材料，其特征是：所述金属线段的数量在2至8根；金属线段的直径在0.01～0.5mm范围内。
  6. 如权利要求1或5所述的发泡介质材料，其特征是：所述柱体结构或管体结构的横截面的外周轮廓形状是圆形或者正多边形。
  7. 如权利要求1所述的发泡介质材料，其特征是：所述柱体结构或管体结构的横截面的外周轮廓形状不超出半径为20mm的圆范围。
  8. 发泡介质材料生产方法，其特征是：包括以下步骤：
    将已发泡成型的棒形件或管形件穿入到一个割缝装置，随着棒形件或管形件走过割缝装置，割缝装置在棒形件或管形件的表面切割出若干缝隙；
    将被割出缝隙的棒形件或管形件穿入到一个埋丝装置，随着棒形件或管形件走过埋丝装置，埋丝装置将金属线埋入缝隙内，此时得到埋丝棒或埋丝管；
    后续将埋丝棒或埋丝管截断成所需的长度即得到发泡介质材料。
  9. 如权利要求8所述的发泡介质材料生产方法，其特征是：在上述步骤2）之后加入一个表面涂胶或表面热熔的步骤，以将金属线与棒形件或管形件固定在一起。
  10. 如权利要求8所述的发泡介质材料生产方法，其特征是：所述埋丝棒或埋丝管被定长裁断为相同的长度后再进入到步骤3），或者是先整体绕成线盘再进入到步骤3）。
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