JPS6076255A - Apparatus for producing continuously fine metallic wire - Google Patents

Abstract

PURPOSE:To produce continuously a fine metallic wire by forming a cooling water tank by centrifugal force on the inside of drums under high-speed rotation and injecting a molten metal into said tank from a small-diameter nozzle thereby cooling quickly the molten metal. CONSTITUTION:Projecting collar parts 111, 111' of drums 105, 105' under rotation at a high speed are connected by a stationary box 113 and water is fed through an inlet 118 into gates 115, 115' provided therein so that a cooling water tank 106 is formed by centrifugal force. The molten metal 103 in a melting furnace 102 installed in the rotary drums is pressurized with the compressed gas from an introducing pipe 107 and is injected in the form of the jet 108 of the molten metal from a nozzle 104 into the tank 106. The injected molten metal is quickly cooled and is taken out of a take-out port 109 in the form of a fine metallic wire 109 having a circular section together with the heated up cooling water. The cold cooling water is replenished continuously through the inlet 118. The fine metallic wire is continuously produced with high productivity.

Description

[Detailed description of the invention] The present invention relates to an apparatus for manufacturing fine metal wire.

In recent years, a so-called spinning submerged spinning method has been proposed as a method for producing thin metal wires having a circular cross section from molten metal, and the development of this technology is rapidly progressing. In other words, Japanese Patent Publication No. 5
6-165016, JP-A-57-52550.

JP-A No. 57-79052, etc., and the feature of these prior art is that a liquid layer is formed by centrifugal force around the circumferential surface of a rotating cylindrical l-ram, and molten metal is poured into the liquid layer.
This method is used to produce thin metal wires by ejecting it as ・ and rapidly solidifying it.1 According to these methods, thin metal wires having a circular cross section and excellent properties can be easily obtained. This method is recommended as it can significantly increase the cooling rate compared to conventional methods and is particularly suitable for manufacturing thin metal wires made of amorphous metals or metals containing fine crystal grains.

The inventors of the present invention have continued to conduct intensive research into the development of manufacturing equipment and manufacturing technology for the spinning submerged spinning method as disclosed in the above-mentioned disclosure, but have now come across a major obstacle. The reason is that these rotating liquid spinning methods are based on the panoji method. Zunawara.

To explain these methods, a cooling liquid layer is formed by centrifugal force on the circumferential surface of a cylindrical drum that rotates once, and by keeping the surface and interior of this cooling liquid layer stable, the molten metal flow ejected as a jet is disturbed. After stably penetrating into the cooling liquid layer and rapidly solidifying the molten metal flow,
It is characterized in that it is stably wound around the inner wall of the cylindrical drum by centrifugal force to form a desired thin metal wire.

An example of this can be explained in more detail with reference to Figure 1.
The procedure for manufacturing thin metal wires by spinning in a rotating liquid is as follows: First, a predetermined amount of a pre-prepared master alloy having a predetermined alloy composition is charged into a melting furnace 2 equipped with a heating device 1, and heated and melted to form molten metal. 3 and waits for ejection from a nozzle 4 of a predetermined hole diameter provided at the tip of the furnace 2. Next, the cylindrical rotary tram 5 (hereinafter abbreviated as tram) is rotated at a predetermined number of rotations, and a predetermined amount of cooling liquid 6 is supplied from a supply device (not shown). Subsequently, the melting furnace system (heating device 1 and melting device 2) is placed in a predetermined position in the space inside the tram 5 as shown. After cooling, an inert gas is introduced at a predetermined pressure from the pipe 7 leading to the l-capacity melting furnace 2.
8 The pressure is increased to 3, and the jet 8 is ejected from the front nozzle 4. Shet 8 is a rotating cooling liquid 6
It penetrates into the interior, rapidly solidifies, and becomes a thin metal wire 9 (shown in dotted cross section 1).

1- It is wound up on the inner wall of the ram 5. In this case, the metal TNT wire 9 is usually wound to a certain length.
- Since it is necessary, the /8 melting furnace system (heating device 1 and T melting furnace 2) is made to traverse 10 in the width direction of the inner circumference of the i-ram 5. After all the initially charged master alloy has been ejected,
After moving the melting furnace system outward from the space of the drum 5, stopping the rotation of the drum 5, and storing the cooling liquid 6 which is no longer held by centrifugal force and falls into a container (not shown),
A bundle of thin metal wires manufactured on the circumferential surface of the drum 5 is taken out. A hatch-type production apparatus in which such a procedure is performed as one cycle is a conventional production apparatus for spinning in a rotating liquid. Therefore, as can be easily inferred.

Such manufacturing equipment is limited in the amount of thin metal wire produced per hatch due to restrictions imposed by the size of the machinery and equipment, and requires time for pre-preparation and post-processing work for each hatch. Due to the fact that it is a commercially available product, it has the disadvantage of extremely low productivity, and the reality is that it is extremely difficult to commercialize it.

The inventors have overcome the obstacles of conventional manufacturing equipment.

In addition to making use of the basic characteristics of the rotating liquid spinning method,
The object of the present invention is to provide a continuous manufacturing apparatus for thin metal wires that significantly increases productivity and has low processing costs.

An embodiment of the device of the present invention will be described below. This will be explained in detail with reference to FIG.

FIG. 2 is a longitudinal cross-sectional view of the device, showing two cylindrical rotating drums 105. of the same diameter. 105' each has an outwardly projecting collar portion 111. at one end thereof. 111' is fixedly installed around the entire circumference, and both the flanges 111. Both drums 105. are connected to each other by a timing belt (not shown) with 111' disposed opposite to each other in a predetermined yarn threading gap 112. 105' are connected in series so that they rotate in the same direction.

Reference numeral 113 denotes a fixed box, and the box 113 is fitted over the entire circumference of both flanges 111. A liquid tank is constructed by using Ill' as a side wall of the liquid tank and a fixed box 113. 114. 114
' is an inner rotating drum 105. 105' is rotatable,
In addition, both flange 91 (111, t
This is a backing mechanism installed between u' and the fixed box 113. One example of such a mechanism is an O-ring. 115. 115' is both trams 105. 1
05' is a weir provided on the inner wall of the tram on both sides of the thread passing gap 112. Both flanges 111 by 115'
．． When the liquid 10G is supplied to the liquid tank consisting of the fixed box 111' and the fixed box 113, a layer of the liquid 106 having a constant width and depth is formed. Also 116.
116'.

116'', 116''' are hair ring devices for holding both drums 105, 105' and for assisting rotation. Next, the metal melting device (heating device 101 and melting furnace 102) is connected to a raw metal supply line, an inert gas introduction pipe 107 for pressurized injection. Melting furnace 102. /fi When the nozzle 104, etc. at the tip of the melting furnace rotates and the liquid 106 is formed in the liquid seeding section, the metal melting device or both drums are rotated. The nozzle 10 is inserted into the internal space of the thread 10 above the liquid level of the thread gap 112.
4 tips are placed. Therefore, the chefs 1-108 of the molten molten liquid 103 ejected from the nozzle 104 are
105. The thin metal wire 109 penetrates into the stable liquid 106 layer generated by the centrifugal force caused by the rotation of the metal wire 105', is cooled and solidified, and becomes the thin metal wire 109. Further, the centrifugal force acts on the thin metal wire 109 itself, so that the thin metal wire 109 The lower position 117 of the fixed box 113 is reached.

FIG. 3 is a cross-sectional view of the device, which has a structure in which a liquid inlet 118 and an outlet 119 from which the thin metal wire 109 is continuously drawn out as the liquid 106 flows out are provided at the bottom of the fixed box 113. This is an example.
/8 The molten metal 103 is pressurized and ejected from the nozzle 104. It penetrates into the cooled liquid 106 layer and becomes a thin metal wire 109. The thin metal wire 109 is taken out from the bottom of the fixed box 113 until it reaches near the bottom surface of the fixed box 113. The male liquid is then continuously taken out of the takeout 0119 by riding the liquid flow, and the male is wound up in a series by a winding device (not shown), and collected into the other liquid 106LJ recovery liquid tank (not shown). The structure is as follows. In addition, injection port 11
There is a concern that turbulence will occur at the point where the rotating liquid flow supplied from 8 and the liquid flow flowing out from the outlet 119 come into contact, and that the turbulence will not affect the surface of the rotating liquid layer. is 9 ryo tsuba 111. By appropriately selecting the rotation speed of the cylindrical tram with a height of 111', the amount of liquid supplied per unit time, etc., it is possible to continuously manufacture the thin metal wire without cutting it midway. be. Although the manufacturing apparatus of the present invention has the above-mentioned structure, the shape and structure are not limited to those shown in the drawings of the embodiments, and any device having the same technical concept may be included in the present invention. It goes without saying that it is included.

Since the manufacturing apparatus of the present invention has the above configuration,
Since the production of thin metal wires can be carried out continuously even though the equipment is not huge, the production volume can be significantly increased, improving productivity. This is an extremely superior manufacturing device in that all parts of the obtained thin metal wire are homogeneous.

The metal applicable to the present invention is pure gold.

Examples include metals containing trace amounts of impurities or all alloys, but especially alloys that have excellent properties when solidified by rapid cooling.For example, alloys that form an amorphous phase or alloys that form a non-flat crystalline phase. etc. are the most preferred alloys. For example, “Science” No. 8, 1978, 62-
72 pages 1 Bulletin of the Japan Institute of Metals 15S No. 3, 1976 1
51 to 206, [Metal J, December 1, 1971 issue, pages 73 to 78, and JP-A-49-91014, JP-A-50401215, JP-A-49-13582, etc.
No. 0.

JP-A-51-3312, JP-A-51-4017, JP-A-51-4018, JP-A-51-4019, JP-A-51-65012, JP-A-51-73923,
JP-A-51-78705, JP-A-51-79613-
No., JP-A-52-5620, JP-A-52-04421
No. 54-99035, and many other publications. Among those alloys.

Examples of alloys that have excellent amorphous formation ability and are practical include Fe-5i-B, Fe-P-B, and 'F.
e-P-B system.

Co-5i-B series, Ni-5i-B series, etc. can be mentioned, but the types include combinations of metals and semimetals.1. It goes without saying that there are an infinite number of metal-metal combinations to choose from.

Moreover, by taking advantage of its compositional characteristics, it is possible to assemble an alloy with excellent properties that cannot be obtained with conventional crystalline metals. Further, specific examples of alloys that form non-equilibrium quality phases include 2, for example, "Tetsu to Hagane" Vol. 66 (1980) No. 3, pp. 382-389.

"Journal of the Japan Institute of Metals" Vol. 44, No. 3, 1980, 24
Pages 5-254, rTRANsAcTONs Of?
TIIE, IAPAl, 1INsTITUTEOF
MEMALS J VOL 2ONo, 8 AUgu
st 1979468-471 pages 9 copies Japan Institute of Metals Autumn Conference General Lecture Summaries (October 1,979) 350 pages, 3
Fe-Cr-1 alloy described on page 51, Fe-AI
-C-based alloys and the M
n- to l-C alloy, l? +3-143-14n-based alloys and the like can be mentioned.

[Brief explanation of drawings]

Figure 1 is a schematic vertical cross-sectional view of a conventional device, Figure 2 is a vertical cross-sectional view of an embodiment of the device of the present invention, and Figure 3 is a cross-sectional view of the main parts of Figure 2. . 1.101 Heating device, 2,102 Melting furnace, 3,10
3 Molten metal, 4.1o4 Nostle, 5. ]05.10
5' times Φ1:1-ram, 6,106 cooling liquid, 8.
IO'O soe, to. 9.1.09 Fine metal wire, IILIII' Tsuba t+1+
, 112 Threading gap, 113 Fixed box, 114,
114' Backing mechanism, 115,115' Weir, 1
16-116” hair ring device, 118-inlet, 1
19 Take-out port patent applicant: Uni Jinriki Co., Ltd. Figure 1 Figure 2 Ill

Claims (1)

[Scope of Claims] ( ], cylindrical rotating drums (105) of the same diameter. Each of the (105') has an outwardly protruding collar part (111), (111') at one end. Fixedly installed around the entire circumference, one drum (105), (105') flange (111),
(111') are arranged in a row at a predetermined thread passing gap (112), and both drums (105) are connected. (105') are connected in series so that they can rotate simultaneously. The two flanges (111) and (111') form side walls of the liquid tank, and the two flanges (III). (111') is equipped with a fixed box (113) fitted around the entire circumference of the flange r (1) to form a liquid seed part so as to enable simultaneous rotation of both trucks without leaking liquid; A part of the fixed box (11, 3) is provided with an inlet D (118) for injecting the liquid (106) and an outlet (119) from which the thin metal wire (109) is continuously drawn out as the liquid (106) flows out. , respectively, and both l-rams (105)' (10
5') rotates and the liquid (106) I'W enters the liquid seed part.
When the nozzle (104) is formed, the metal melting device with the nozzle (104) immersed is inserted into the drum from the outside and the tip of the nozzle (104) is placed on both sides of the jm yarn gap (112). 1. A continuous production device for thin metal wire, characterized by having a structure.