JP3753359B2 - Multistage melt impregnation equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a multistage melt impregnation apparatus for producing a linear composite material composed of linear and wire reinforcing fibers and a metal matrix.
[0002]
[Prior art]
A linear or wire-shaped composite material (hereinafter collectively referred to as “linear composite material”) is a fibrous material, a linear material, a fibrous material bundle, or a linear material bundle (hereinafter collectively referred to as “linear composite material”). It is used in a wide range of applications from suspensions and building materials to the aerospace field.
[0003]
These linear composite materials use a fiber bundle material such as an organic fiber or an inorganic fiber as a core material, or a wire bundle material such as a metal wire bundle and a resin or metal as a matrix. It is formed by adding a flame retardant improving material, an abrasion resistance improving material, or a pigment or other filler.
[0004]
The aforementioned linear composite material is formed by, for example, an extruder 100 shown in FIG. The extruder 100 illustrated in FIG. 5 is used for covering an electric wire, which is a kind of composite material. 5A is a side view and FIG. 5B is a front view.
[0005]
The extruder 100 illustrated in FIG. 5 includes an apparatus main body 101, a hopper 102, a stirring unit 103, a heating unit 104, and a die 105. The apparatus main body 101 is installed on a floor of a factory or the like. The hopper 102 is supplied with a matrix material (usually resin) from above the apparatus main body 101, and supplies the matrix material to the stirring unit 103.
[0006]
The stirring unit 103 includes a motor 106 and a screw 107. The motor 106 is attached to the apparatus main body 101. The screw 107 is attached to the apparatus main body 101. The screw 107 is rotationally driven by a motor 106. The agitating unit 103 agitates the matrix material supplied from the hopper 102 when the motor 106 rotationally drives the screw 107 and supplies the matrix material to the inner periphery of a later-described hole 108 of the die 105.
[0007]
The heating unit 104 heats and melts the matrix material that is stirred by the stirring unit 103 and supplied to the inner periphery of the hole 108 of the die 105. The die 105 includes a hole 108 through which the linear material 109 can pass. The die 105 is supplied with the matrix material stirred by the stirring unit 103 and melted by the heating unit 104 on the inner periphery of the hole 108.
[0008]
As shown in FIG. 5 (B), the extruder 100 continuously introduces a linear material 109 into a hole 108 of a die 105, and is supplied for the matrix supplied through the hopper 102, the stirring unit 103, and the like. The material is coated on the surface of the linear member 109 in the hole 108 and continuously taken out as the linear composite material 110. At this time, the matrix material is regulated to a necessary amount by the die 105.
[0009]
On the other hand, in the case of a composite material using carbon fibers (long fibers), polyimide long fibers, or the like as a core material, a dip method as schematically shown in FIG. 6 is known. In this dip method, an impregnation tank 121 that contains a molten matrix material and a pulley 122 that is rotatably provided in the impregnation tank 121 are used.
[0010]
Then, the linear material 109 is stretched over the pulley 122, the linear material 109 is continuously immersed in the matrix material accommodated in the impregnation tank 121, and the direction is changed using the pulley 122 to obtain the composite material 110. It is a method of pulling up.
[0011]
[Problems to be solved by the invention]
When the extruder 100 illustrated in FIG. 5 and the dip method illustrated in FIG. 6 are used, when the linear composite material 110 is formed to be relatively thick, the linear material 109 is surely impregnated with the matrix material. Therefore, it has been necessary to pass the wire 109 through the hole 108 of the die 105 for a relatively long time or to immerse the wire 109 in the matrix material in the impregnation tank 121. For this reason, if a material whose strength is reduced by contact with the matrix is used as the linear material 109, the linear material 109 may be deteriorated by the contact of the molten matrix material described above.
[0012]
Further, as described above, in order to manufacture a relatively thick linear composite material 110, the linear material 109 is passed through the hole 108 of the die 105 for a relatively long time, or into the impregnation tank 121. Since it is necessary to immerse, it takes a long time to manufacture the linear composite material 110, and the production efficiency of the linear composite material 110 tends to decrease.
[0013]
Furthermore, when the extruder 100 and the dip method are used, when the linear composite material 110 is formed, only one type of matrix material can be used. For example, the rigidity is intentionally increased. Therefore, it is difficult to apply to a wide variety of specifications such as a linear composite material 110 that is difficult to bend and a linear composite material 110 that is low in rigidity and cannot be intentionally bent.
[0014]
Accordingly, an object of the present invention is to provide a multistage melt impregnation apparatus capable of preventing the deterioration of the linear material, suppressing the decrease in production efficiency, and easily manufacturing a wide variety of linear composite materials. It is in.
[0015]
[Means for Solving the Problems]
In order to solve the above problems and achieve the object, a multistage melt impregnation apparatus of the present invention includes a pressure vessel, an impregnation vessel that accommodates a metal provided in the pressure vessel and melted therein, and the impregnation vessel. An inlet seal portion provided at the bottom and communicating between the outside and the inside of the impregnation tank, an outlet seal portion provided at the top of the pressure vessel and communicating between the pressure vessel and the outside, and provided between these seal portions And a throttle part that communicates the inside and the outside of the impregnation tank with each other, and pressurized gas supply means for supplying a pressurized gas into the pressure vessel, and the linear material is passed through the inlet seal part A melt impregnation apparatus capable of forming a linear composite material by supplying the impregnation tank to impregnate the molten metal and taking out the linear material impregnated with the metal through the throttle part and the outlet seal part. There are several, The melt impregnating apparatus is capable of supplying the linear composite material taken out through the outlet seal portion of the melt impregnation apparatus located on the side into the impregnation tank through the inlet seal portion of the melt impregnation apparatus located on the upper side of the melt impregnation apparatus. Are arranged in series along the vertical direction.
[0016]
According to the multistage melt impregnation apparatus of the present invention, a linear composite material is impregnated by impregnating the molten metal accommodated in the impregnation tank through the impregnation tank from the bottom toward the top. A plurality of melt impregnation apparatuses to be formed are provided, and these melt impregnation apparatuses are arranged in series along the vertical direction.
[0017]
For this reason, when forming a linear composite material, after passing a linear material through the melt impregnation apparatus located below, the linear material is passed through the melt impregnation apparatus positioned above. When passing the linear material through the melt impregnation apparatus located above, the new linear material was passed from the linear material supply means of the melt impregnation apparatus through the impregnation tank of the melt impregnation apparatus located below. It may or may not be supplied to the outer periphery of the linear material.
[0018]
In this way, the linear composite material is gradually formed thick using a plurality of melt impregnation apparatuses. Further, the outer periphery of the linear composite material formed through the impregnation tank of the melt impregnation apparatus located below is formed so as to cover the metal melted using the melt impregnation apparatus located above. Therefore, it is possible to form a linear composite material having a plurality of layers that are arranged coaxially with each other and stacked on each other along the radial direction.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
Next, a multistage melt impregnation apparatus 1 according to an embodiment of the present invention will be described with reference to FIGS.
As shown in FIG. 1, the multistage melt impregnation apparatus 1 includes a plurality of melt impregnation apparatuses 2. These melt impregnation apparatuses 2 are arranged in series along the vertical direction. In the illustrated example, an apparatus including three melt impregnation apparatuses 2 is shown. Hereinafter, the three melt impregnation apparatuses 2 shown in FIG. 1 are referred to as a first melt impregnation apparatus 2a, a second melt impregnation apparatus 2b, and a third melt impregnation apparatus 2c from the bottom.
[0020]
In the multistage melt impregnation apparatus 1, the linear material 4a is transferred from below the first melt impregnation apparatus 2a to a molten metal 6a accommodated in an impregnation tank 5 described later of the first melt impregnation apparatus 2a. A linear composite material 3a is formed by dipping, and further, a linear material 4b is added to the linear composite material 3a, and the interior of the impregnation tank 5 of the second melt impregnation apparatus 2b is added from below the second melt impregnation apparatus 2b. The linear composite material 3b is formed by immersing it in the molten metal 6b accommodated in the linear composite material 3b, and the linear composite material 3b is further added with the linear material 4c. 3 is an apparatus for forming a linear composite material 3c by dipping in a molten metal 6c accommodated in an impregnation tank 5 of a melt impregnation apparatus 2c.
[0021]
The multistage melt impregnation apparatus 1 uses the above-described melt impregnation apparatuses 2a, 2b, 2c as linear composite materials 3a, 3b taken out through outlet seal portions 15 (to be described later) of the melt impregnation apparatuses 2a, 2b located below. They are arranged in series along the vertical direction so that they can be supplied into the impregnation tank 5 through an inlet seal portion 14 described later of the melt impregnation apparatuses 2b, 2c located above the melt impregnation apparatuses 2a, 2b.
[0022]
That is, the multistage melt impregnation apparatus 1 uses the second melt impregnation of the linear composite material 3a taken out through the outlet seal portion 15 of the first melt impregnation apparatus 2a through the inlet seal portion 14 of the second melt impregnation apparatus 2b. The first melt impregnation device 2a and the second melt impregnation device 2b are arranged so as to be supplied into the impregnation tank 5 of the device 2b.
[0023]
Furthermore, the multistage melt impregnation apparatus 1 uses the third composite impregnation apparatus 2b to remove the linear composite material 3b taken out through the second outlet seal portion 15 through the inlet seal portion 14 of the third melt impregnation apparatus 2c. The second melt impregnation device 2b and the third melt impregnation device 2c are arranged so as to be supplied into the impregnation tank 5 of the melt impregnation device 2c.
[0024]
Since the melt impregnation apparatuses 2a, 2b, and 2c have substantially the same configuration, the configuration of the first melt impregnation apparatus 2a will be described below as a representative.
As shown in FIG. 2, the first melt impregnation apparatus 2a includes a pressure vessel 7, an impregnation tank 5, an electric furnace 8 as a heating means, a pressurized gas supply means 9, and a linear material supply means 10. It has.
[0025]
The pressure vessel 7 has a space inside. The impregnation tank 5 is provided inside the pressure vessel 7. The impregnation tank 5 has a space inside. The impregnation tank 5 accommodates the metal 6a (6b, 6c) as a matrix material melted therein.
[0026]
The metals 6a, 6b, 6c as the matrix material can be appropriately selected and used as long as they are melted when heated and solidified by cooling. For example, a metal such as copper, aluminum, iron, tin, silver and magnesium, or an alloy containing two or more of these metals is heated to a temperature necessary for melting. The impregnating tank 5 may be provided with a uniform composition by adding a means such as stirring or circulation to the molten metals 6a, 6b, 6c as necessary.
[0027]
The electric furnace 8 heats the metal 6a (6b, 6c) accommodated in the impregnation tank 5 and always keeps the metal 6a (6b, 6c) at a temperature equal to or higher than the melting point. The pressurized gas supply means 9 includes a gas pipe 11 and a pressure valve 12. The gas pipe 11 is connected to a pressurized gas supply source (not shown) and opens into the pressure vessel 7.
[0028]
The gas pipe 11 supplies the gas supplied from the pressurized gas supply source into the pressure vessel 7. The pressurizing valve 12 can be switched between supplying gas into the pressure vessel 7 through the gas pipe 11 and stopping supply of this gas.
[0029]
The pressurized gas supply source can continuously supply pressurized gas into the pressure vessel 7. As this pressurized gas supply source, for example, a cylinder having a large capacity or a compression pump is used. Further, as the pressurized gas supplied from the pressurized gas supply source, for example, nitrogen gas, argon gas, helium gas, air, or the like is used.
[0030]
Note that the metals 6a, 6b, 6c as the matrix material are melted in the impregnation tank 5, so that they may react with oxygen in the air and cause inconvenience, the pressurized gas supply source. It is desirable to use a so-called inert gas that does not react with the molten metals 6a, 6b, and 6c, such as a rare gas such as argon gas, or nitrogen, as the pressurized gas supplied by the gas.
[0031]
The linear material supply means 10 includes a pulley 13 provided at the bottom of the pressure vessel 7 so as to be rotatable. Linear materials 4a, 4b, and 4c configured by bundling a plurality of fibers 19a, 19b, and 19c (shown in FIG. 3 and the like), respectively, are stretched around the pulley 13. The pulley 13 changes the direction of the linear members 4 a, 4 b, 4 c and guides it to the inlet seal portion 14.
[0032]
The linear material supply means 10 can guide the linear materials 4 a, 4 b, 4 c with a pulley 13 and continuously supply the impregnation tank 5 through the inlet seal portion 14. In the second and third melt impregnation apparatuses 2b and 2c, the linear supply means 10 can supply the linear materials 4b and 4c to the outer periphery of the linear composite materials 3a and 3b. .
[0033]
The linear members 4a, 4b, and 4c described above constitute the core material (reinforcing material) of the linear composite materials 3a, 3b, and 3c, and the fibers 19a and 19b constituting the linear members 4a, 4b, and 4c. 19c include inorganic fibers (ceramic fibers) such as graphite fiber, carbon fiber, silicon carbide fiber, silica fiber, boron fiber and alumina fiber, synthetic fiber such as polyimide, nylon and polyester, and other rayon and cotton yarn as necessary. Chemical fibers such as, natural fibers, or metal fibers such as stainless steel, copper, and steel can be used.
[0034]
The fibers 19a, 19b, and 19c constituting the linear members 4a, 4b, and 4c are selected from materials that do not cause changes such as decomposition, melting, and deterioration at the melting temperature of the metals 6a, 6b, and 6c. There is a need.
[0035]
Further, the fibers 19a, 19b, 19c constituting the linear members 4a, 4b, 4c are not limited to materials that provide mechanical improvement effects such as tensile strength, bending strength, bending characteristics, and wear resistance. However, it is desirable to select those that improve various characteristics such as electrical characteristics, electromagnetic characteristics, thermal characteristics (thermal conductivity, etc.) in accordance with the application.
[0036]
Further, the melt impregnation apparatus 2 a is provided between the inlet seal portion 14 provided at the bottom of the impregnation tank 5, the outlet seal portion 15 provided at the top of the pressure vessel 7, and the seal portions 14, 15. And a diaphragm unit 16.
[0037]
The inlet seal portion 14 is formed so as to penetrate the pressure vessel 7 and is formed in an orifice shape in which the outside communicates with the inside of the impregnation tank 5 through the pressure vessel 7.
[0038]
The inlet seal portion 14 has an inner diameter that is substantially the same as or slightly thicker than the outer diameter of the linear material 4a supplied from the linear supply means 10 in the first melt impregnation apparatus 2a. In addition, the inner diameter of the inlet seal portion 14 in the second and third melt impregnation apparatuses 2b and 2c is an outer diameter in which the linear members 4b and 4c are combined with the outer periphery of the linear composite materials 3a and 3b. It is almost equal to or slightly thicker.
[0039]
The outlet seal portion 15 is formed in an orifice shape that penetrates the pressure vessel 7 and communicates the outside and the inside of the pressure vessel 7 with each other. In the outlet seal portion 15, the linear composite materials 3 a, 3 b, 3 c formed through the throttle portion 16 pass inside. The outlet seal portion 15 has an inner diameter substantially equal to or slightly thicker than the outer diameter of the linear composite materials 3a, 3b, 3c.
[0040]
The throttle part 16 is provided in the upper part of the impregnation tank 5 and communicates the inside and the outside of the impregnation tank 5 with each other. The throttle portion 16 is disposed at a position substantially equal to the height of the liquid level of the melted metals 6a, 6b, 6c accommodated in the impregnation tank 5. As the narrowed portion 16, a die having a relatively long structure is used.
[0041]
The linear members 4a, 4b, 4c and the linear composite materials 3a, 3b are passed through the narrowed portion 16 through the inlet seal portion 14 inside. The thickness of the linear composite materials 3a, 3b, 3c formed by impregnating the metals 6a, 6b, 6c of the impregnation tank 5 is regulated by the throttle portion 16, and the impregnation tank 5 is supplied with pressurized gas. In combination with being provided in the pressure vessel 7 pressurized by the means 9, it is possible to prevent the generation of voids inside.
[0042]
The inlet seal portion 14, the throttle portion 16, and the outlet seal portion 15 are located on the same line. That is, by providing the narrowed portion 16 or the like at such a position, the fibers 19a, 19b, and 19c constituting the linear members 4a, 4b, and 4c as the core material in the linear composite material 3c of the product are biased. Even if the linear members 4a, 4b, and 4c are not delicate, such as a bundle of fiber materials, the linear composite material 3c having ideal performance can be formed without damaging it.
[0043]
As the inlet seal portion 14 and the outlet seal portion 15, a commonly used sealing method such as a so-called orifice seal or a so-called labyrinth seal can be applied, but for the purpose of the present invention, the linear members 4 a, 4 b, 4 c are used. Such a sealing method is not desirable, and an orifice seal is usually used.
[0044]
In addition, the inlet seal portion 14 is provided at the bottom of the impregnation tank 5, but during actual operation, the linear materials 4a, 4b, 4c and the linear composite materials 3a, 3b are transmitted from the inlet seal portion 14 at an appropriate speed. Since it is continuously supplied, leakage of the metals 6a, 6b, and 6c accommodated in the impregnation tank 5 from the inlet seal portion 14 can be prevented even if the orifice shape is used as described above.
[0045]
On the other hand, since the outlet seal portion 15 is a small-diameter orifice seal, there is little leakage of gas inside the impregnation tank 5 and the pressure vessel 7 from this portion, and the gas supplied from the pressurized gas supply means 9 The internal pressure is kept constant because of the large amount.
[0046]
When forming the linear composite material 3c using the multistage melt impregnation apparatus 1 having the above-described configuration, first, the linear material 4a is moved by the pulley 13 of the linear material supply means 10 of the first melt impregnation apparatus 2a. The direction is changed upward and the molten metal 6a is continuously introduced from the inlet seal portion 14 into the impregnation tank 5 of the first melt impregnation apparatus 2a. After being controlled, it is continuously taken out from the outlet seal portion 15 to the outside of the first melt impregnation apparatus 2a.
[0047]
And the linear composite material 3a as a 1st layer shown in FIG.3 and FIG.4 is formed. The linear composite material 3a includes fibers 19a constituting the linear material 4a and a matrix 17a formed by solidifying the metal 6a.
[0048]
The linear composite material 3a continuously taken out from the outlet seal portion 5 of the first melt impregnation apparatus 2a was melted in the impregnation tank 5 from the inlet seal portion 14 of the second melt impregnation apparatus 2b. It is continuously introduced into the metal 6b. After controlling to have an appropriate matrix content and a desired thickness by the squeezing unit 16, the squeezing unit 16 continuously takes out from the outlet seal unit 5 to the outside of the second melt impregnation apparatus 2 b. At this time, the linear material 4b may or may not be supplied to the outer periphery of the linear composite material 3a from the linear material supply means 10 of the second melt impregnation apparatus 2b.
[0049]
And the linear composite material 3b in which the 2nd layer 18b was formed in the outer periphery of the said linear composite material 3a shown in FIG.3 and FIG.4 is formed. The second layer 18b is arranged coaxially with the linear composite material 3a as the first layer.
[0050]
The second layer 18 b shown in FIG. 3 shows a case where the linear material 4 b is supplied from the linear material supply means 10. The second layer 18b shown in FIG. 3 includes fibers 19b constituting the linear material 4b and a matrix 17b formed by solidifying the metal 6b.
[0051]
The second layer 18 b shown in FIG. 4 shows a case where the linear material 4 b is not supplied from the linear material supply means 10. The second layer 18b shown in FIG. 4 includes a matrix 17b formed by solidifying the metal 6b.
[0052]
The linear composite material 3b continuously taken out from the outlet seal portion 15 of the second melt impregnation apparatus 2b was melted in the impregnation tank 5 from the inlet seal portion 14 of the third melt impregnation apparatus 2c. Continuously introduced into the metal 6c. After controlling to have an appropriate matrix content and a desired thickness by the throttle unit 16, the linear composite material 3c is obtained by continuously taking out from the outlet seal unit 5 to the outside of the third melt impregnation apparatus 2c. . At this time, the linear material 4c may or may not be supplied to the outer periphery of the linear composite material 3b from the linear material supply means 10 of the third melt impregnation apparatus 2c.
[0053]
And the linear composite material 3c in which the 3rd layer 18c was formed in the outer periphery of the said linear composite material 3b shown in FIG.3 and FIG.4 is formed. The third layer 18c is arranged coaxially with the linear composite material 3a as the first layer and the second layer 18b.
[0054]
The third layer 18 c shown in FIG. 3 shows a case where the linear material 4 c is supplied from the linear material supply means 10. The third layer 18c shown in FIG. 3 includes fibers 19c constituting the linear material 4c and a matrix 17c formed by solidifying the metal 6c.
[0055]
The third layer 18 c shown in FIG. 4 shows a case where the linear material 4 c is not supplied from the linear material supply means 10. The third layer 18c shown in FIG. 4 includes a matrix 17c formed by solidifying the metal 6c.
[0056]
As shown in FIGS. 3 and 4, the linear composite material 3c obtained by the multistage melt impregnation apparatus 1 described above is composed of a linear composite material 3a as a first layer and a second layer arranged coaxially with each other. A layer 18b and a third layer 18c are provided. The linear composite material 3a, the second layer 18b, and the third layer 18c as the first layer are sequentially arranged from the inner side of the linear composite material 3c, and the diameter of the linear composite material 3c. They are stacked together along the direction.
[0057]
According to the multistage melt impregnation apparatus 1 of the present embodiment, the molten metal 6a, 6b, 6c accommodated in the impregnation tank 5 is impregnated by passing the linear members 4a, 4b, 4c from the bottom toward the top. Accordingly, a plurality of melt impregnation apparatuses 2a, 2b, 2c for forming the linear composite materials 3a, 3b, 3c are provided and arranged in series along the vertical direction.
[0058]
When the linear composite material 3c is formed, the linear material 4a, 4b, 4c and the like are sequentially formed from the melt impregnation apparatus 2a, 2b positioned below to the melt impregnation apparatus 2b, 2c positioned above.
[0059]
In this manner, the linear composite materials 3a, 3b, and 3c are gradually formed thicker using the plurality of melt impregnation apparatuses 2a, 2b, and 2c. For this reason, also when forming comparatively thick linear composite material 3c, the time which the said linear materials 4a, 4b, 4c are immersed in the metal 6a, 6b, 6c in the impregnation tank 5 can be suppressed.
[0060]
Therefore, the deterioration of the fibers 19a, 19b, 19c constituting the linear members 4a, 4b, 4c due to heat of the metals 6a, 6b, 6c can be suppressed, and the working time required for producing the linear composite material 3c can be suppressed. It is possible to suppress a decrease in production efficiency of the linear composite material 3c. In addition, since the deterioration of the linear members 4a, 4b, and 4c and the reduction in production efficiency can be suppressed, the relatively thick linear composite material 3c can be easily formed.
[0061]
Further, the metal 6b, 6c melted using the melt impregnation devices 2b, 2c located above the outer periphery of the linear composite materials 3a, 3b formed through the melt impregnation devices 2a, 2b located below. Is formed so as to cover. At this time, new linear members 4b and 4c may or may not be supplied. Therefore, a linear composite material 3c having a plurality of layers 3a, 18b, and 18c arranged coaxially with each other and stacked along the radial direction can be formed.
[0062]
Accordingly, the linear material supply means 10 supplies the linear materials 4a, 4b, 4c of different materials to the melt impregnation apparatuses 2a, 2b, 2c, or the metals 6a, 6b, 6c accommodated in the impregnation tank 5. Is made different for each of the melt impregnation apparatuses 2a, 2b, and 2c, the linear composite material 3c having various specifications can be manufactured.
[0063]
For example, the melt impregnation apparatus 2c that forms the outermost third layer 18c of the linear composite material 3c uses the metal 6c and the linear material 4c, which are relatively rigid, so that it is relatively difficult to bend. The composite material 3c can be formed. Further, the melt impregnation apparatus 2c for forming the third layer 18c uses the metal 6c and the linear material 4c, which have relatively low rigidity, to form the linear composite material 3c that is relatively easily bent and highly elastic. can do.
[0064]
Furthermore, when the melt impregnation apparatus 2c for forming the third layer 18c uses, for example, aluminum that is relatively easy to form a passive state as the metal 6c, a linear composite material 3c that hardly corrodes can be manufactured. .
[0065]
By not supplying the linear material 4c from the linear material supply means 10 of the melt impregnation apparatus 2c for forming the third layer 18c, a linear composite material 3c in which the linear material 4c is not exposed to the outside can be manufactured, By supplying the linear material 4c from the linear material supply means 10 of the melt impregnation apparatus 2c for forming the third layer 18c, the third layer 18c as the outermost layer also includes the linear material 4c. The linear composite material 3c can be formed.
[0066]
In this way, a linear composite material 3c having a plurality of layers 3a, 18b, and 18c arranged coaxially with each other and stacked along the radial direction is manufactured using a plurality of melt impregnation apparatuses 2a, 2b, and 2c. By doing so, the linear composite material 3c of various specifications can be easily manufactured.
[0067]
Each melt impregnation apparatus 2 a, 2 b, 2 c is provided with a throttle portion 16 between the inlet seal portion 14 and the outlet seal portion 15. The throttle portion 16 is provided at a position lower than the ceiling of the impregnation tank 5. The thickness of the formed linear composite material 3a, 3b, 3c is regulated by the throttle portion 16, and at the same time, the pressure vessel 7 is pressurized by the pressurized gas supply means 9, Voids are prevented from being generated inside the linear composite materials 3a, 3b, 3c.
[0068]
At the same time, the contact between the linear members 4a, 4b, 4c and the metals 6a, 6b, 6c is promoted to complete impregnation, and the production rate at that time (the linear shape supplied to the impregnation tank 5) The speed of the materials 4a, 4b and 4c) can be increased, and the productivity is improved.
[0069]
The inlet seal portion 14, the throttle portion 16, and the outlet seal portion 15 are arranged on the same line. Therefore, the fibers 19a, 19b, 19c constituting the linear members 4a, 4b, 4c in the formed linear composite materials 3a, 3b, 3c are prevented from being biased, and the linear members 4a, 4b, 4c Even a delicate material such as a fiber bundle can form the linear composite materials 3a, 3b, and 3c having ideal performance without damaging the fiber material bundle.
[0070]
Therefore, when the multistage melt impregnation apparatus 1 of the present embodiment is used, it is possible to obtain an excellent linear composite material 3c in which the contents of the metals 6a, 6b, and 6c are optimal and free from defects such as voids.
[0071]
Further, in the above-described embodiment, the multistage melt impregnation apparatus 1 including three melt impregnation apparatuses 2a, 2b, and 2c is shown, but according to the specifications of the linear composite material 3c to be manufactured without being particular about three. Of course, if the number of the melt impregnation apparatuses 2a, 2b, 2c is plural, it may be increased or decreased as appropriate.
[0072]
In addition, according to the present invention, the metals 6a, 6b, 6c can surely enter between the fibers 19a, 19b, 19c constituting the linear members 4a, 4b, 4c. , 4c can be used by twisting or knitting the fibers 19a, 19b, 19c to form a twisted or braided string.
[0073]
In the linear composite material 3c obtained by using the multistage melt impregnation apparatus 1 shown in the above-described embodiment, the metal 6a, 6b, 6c is used as the matrix material as described above, and the linear materials 4a, 4b are used. , 4c, when the fibers 19a, 19b, 19c are particularly high-strength fibers such as ceramic fibers or carbon fibers, the wires are high-strength and lightweight if used as the center line of the stranded wire conductor for electric wires. It can be.
[0074]
【The invention's effect】
As described above, according to the present invention, when the linear composite material is formed, the linear material is passed through the melt impregnation apparatus located below and then the linear material is passed through the upper melt impregnation apparatus. When the linear material is passed through the upper melt impregnation apparatus, a new linear material can be supplied from the linear material supply means to the outer periphery of the linear material that has passed through the lower melt impregnation apparatus. .
[0075]
In this way, the linear composite material is gradually formed thick using a plurality of melt impregnation apparatuses. For this reason, the time during which the linear material is exposed to the molten metal is suppressed, and deterioration of the linear material due to heat can be suppressed. In addition, since the linear composite material is gradually thickened using a plurality of melt impregnation devices, the linear material is immersed in the metal in the impregnation tank even when forming a relatively thick linear composite material. The time to make it possible can be suppressed.
[0076]
Therefore, it is possible to suppress the work time required for producing the linear composite material, and it is possible to suppress a decrease in the production efficiency of the linear composite material. Moreover, since deterioration of a linear material and a reduction in production efficiency can be suppressed, a relatively thick linear composite material can be easily formed.
[0077]
Furthermore, it forms so that the metal etc. which were fuse | melted using the upper melt | dissolution impregnation apparatus may be coat | covered on the outer periphery of the linear composite material formed through the lower melt impregnation apparatus. At this time, a new linear material may or may not be supplied. For this reason, the linear composite material which has several layers laminated | stacked along the mutually coaxial radial direction can be formed.
[0078]
Therefore, the linear material supply means can supply different linear materials for each melt impregnation apparatus, and the metal accommodated in the impregnation tank can be different for each melt impregnation apparatus.
[0079]
For example, a linear composite material that is relatively difficult to bend can be formed by using a metal and a linear material that have relatively high rigidity in the melt impregnation apparatus that forms the outermost layer of the linear composite material. In addition, the melt impregnation apparatus for forming the outermost layer uses a metal and a linear material having relatively low rigidity, so that a linear composite material that is relatively easily bent and highly elastic can be formed.
[0080]
Further, the melt impregnation apparatus for forming the outermost layer can form a linear composite material having excellent corrosion resistance by using a metal that can form a relatively passive state such as aluminum. By not supplying the linear material from the linear material supply means of the melt impregnation apparatus for forming the outermost layer, a linear composite material in which the linear material is not exposed to the outside can be formed, and the outermost layer is formed. By supplying the linear material from the linear material supply means of the melt impregnating apparatus, a linear composite material including the linear material in the outer layer can be formed.
[0081]
In this way, by using a plurality of melt impregnation apparatuses to form a linear composite material having a plurality of layers laminated along a coaxial radial direction, a linear composite material having a wide variety of specifications can be obtained. It can be formed easily.
[Brief description of the drawings]
FIG. 1 is a schematic diagram showing the configuration of a multistage melt impregnation apparatus according to an embodiment of the present invention.
FIG. 2 is a schematic view showing a configuration of a melt impregnation apparatus of the multistage melt impregnation apparatus of the same embodiment.
FIG. 3 is a schematic view showing a linear composite material obtained by the multistage melt impregnation apparatus of the same embodiment.
FIG. 4 is a schematic view showing a linear composite material obtained by the multistage melt impregnation apparatus of the same embodiment.
FIG. 5 (A) is a side view of an extruder used for conventional electric wire production and the like.
(B) is a front view of the extruder shown in FIG. 5 (A).
FIG. 6 is an explanatory view showing a conventional method for producing a composite material.
[Explanation of symbols]
1 Multi-stage melt impregnation equipment
2a First melt impregnation apparatus
2b Second melt impregnation apparatus
2c Third melt impregnation apparatus
3a Linear composite material
3b linear composite material
3c linear composite material
4a Linear material
4b Linear material
4c linear material
5 Impregnation tank
6a Molten metal
6b Molten metal
6c Molten metal
7 Pressure vessel
9 Pressurized gas supply means
10 Linear material supply means
14 Entrance seal
15 Outlet seal
16 Aperture

Claims (1)

A pressure vessel, an impregnation vessel provided in the pressure vessel and containing a metal melted therein, an inlet seal provided at the bottom of the impregnation vessel and communicating between the outside and the impregnation vessel; and the pressure An outlet seal portion provided at an upper portion of the container and communicating with the inside and outside of the pressure vessel; a throttle portion provided between the seal portions and communicating with the inside and the outside of the impregnation tank; and the pressure vessel A pressurized gas supply means for supplying a pressurized gas therein, a linear material is supplied into the impregnation tank through the inlet seal portion 14 to impregnate the molten metal, and the throttle portion And a plurality of melt impregnation apparatuses capable of forming a linear composite material by taking out the linear material impregnated with the metal through the outlet seal portion,
The melt impregnation is capable of supplying the linear composite material taken out through the outlet seal portion of the melt impregnation apparatus located on the lower side into the impregnation tank through the inlet seal portion of the melt impregnation apparatus located on the upper side of the melt impregnation apparatus. A multistage melt impregnation apparatus characterized in that the apparatuses are arranged in series along a vertical direction.

Images