TWI669170B - Metal wire continuous casting device - Google Patents

Abstract

A metal wire continuous casting device is applied to a metal wire continuous casting operation of a roll belt type continuous casting wheel. The roll belt type continuous casting wheel is filled with a metal melting soup in a strip-shaped first shaping part on the wheel surface. The metal melt is cooled and crystallized in the first shaping portion and continuously cast into a metal wire. The metal wire continuous casting device comprises: a shaping element coupled to the roll belt continuous casting wheel to contain the metal melting a starting position of the soup, the shaping element is coupled to one side of the roll belt continuous casting wheel to have a second shaping portion; wherein, when the shaping element is combined with the roll belt continuous casting wheel, the first The second shaped portion and the first shaped portion form a closed geometry cavity with a cross section thereof.

Description

Metal wire continuous casting device

The present invention relates to a wire continuous casting device, and more particularly to a metal wire continuous casting device.

Conventional roller belt type wire continuous casting wheel, since only the wheel surface of the roller pulley is provided with a roll belt type cavity for shaping, the wire produced by the roller belt type continuous casting wheel can only be produced. The cross-section of the cast wire is easy to demold.

However, metal wire has been widely used in various fields today, so it requires more diversified production forms; for example, degradable magnesium alloy metal, due to good mechanical properties, biodegradability, light weight, and biocompatibility Through testing, it is widely used in aviation, civilian production, and even medical equipment applications in recent years.

At present, there is no medical magnesium alloy manufacturing technology and industrial chain in China, and the technology of alloy R&D and process technology is high. Compared with international manufacturers, some products have passed EU certification in the research and development stage, and domestic manufacturers have no ability to develop independently.

The main problem to be solved by the present invention is to use a shaping element which is combined with the top of the roller belt type roller belt type roller belt to achieve a different shape. The effect of the cross-sectional shape of the wire is to meet the demand for multiple metal wires.

In order to achieve the above object, the present invention discloses a metal wire continuous casting device which is applied to a metal wire continuous casting operation of a roll belt type continuous casting wheel, which has a strip shape on its wheel surface. a shaping part is filled with a metal melting soup, and the molten metal is cooled and crystallized in the first shaping part, and continuously cast into a metal wire. The metal wire continuous casting device comprises: a shaping element, combined with the The roll belt type continuous casting wheel holds a starting position of the metal melting material, and the shaping element is coupled to one side of the roll belt type continuous casting wheel to provide a second shaping portion; wherein, when the shaping element and the roller belt When the continuous casting wheel is combined, the second shaping portion and the first shaping portion form a closed geometry cavity with a cross section thereof.

In an embodiment, the roll belt type caster wheel is internally provided with a first cooling system.

In an embodiment, the first cooling system is a liquid cooling system.

In an embodiment, the first cooling system is a gas cooling system.

In an embodiment, the space inside the shaping element that covers the second shaping portion is provided with a second cooling system.

In an embodiment, the second cooling system is a liquid cooling system.

In an embodiment, the second cooling system is a gas cooling system.

In an embodiment, a space is provided in the space surrounding the second shaping part, and a ventilation system is disposed. The wall surface of the second shaping part is provided with a plurality of ventilation holes, and the ventilation system transmits the ventilation holes through the holes. A gas is introduced into the cavity.

In the above embodiment, the gas is an inert gas.

In an embodiment, the first shaping part and the second shaping part are made of metal or graphite.

In an embodiment, the closed geometry is trapezoidal.

In an embodiment, the closed geometry is a triangle.

In an embodiment, the closed geometry is elliptical.

In an embodiment, the closed geometry is a square.

The present invention also provides a metal wire continuous casting apparatus, the metal wire continuous casting apparatus comprising: a driven rotating belt-type continuous casting wheel having a first shaping portion surrounding the wheel surface; and a shaping The component is coupled to the roll belt type continuous casting wheel to receive a starting position of a molten metal, one of the shaping elements is provided with a second shaping portion, and the second shaping portion and the first shaping portion are The cross section forms a cavity of a closed geometry, and the molten metal passing through the cavity is cooled and crystallized and continuously cast into a metal wire.

In one embodiment, the shaping element is internally provided with a ventilation system, and the wall of the second shaping portion is provided with a plurality of ventilation holes, and the ventilation system transmits a gas into the cavity through the ventilation holes.

The metal wire continuous casting device according to the present invention has the following features: 1. The metal wire continuous casting device of the invention can produce metal wires of various cross-sections, and is directly applicable to applications in various fields; 2. The present invention The metal wire continuous casting device can be combined with the existing metal wire continuous casting equipment to achieve the effect of producing metal wires of various cross-sections at low cost; 3. The fixed shaped shaping element of the present invention can be internally permeable to a ventilation system. The setting, after the metal molten cast continuous casting crystal is formed into a metal wire, the gas is introduced to cause a gap between the metal wire and the shaped component due to the gas, thereby reducing the relative motion friction between the metal wire and the fixed shaping component, thereby avoiding the metal wire. A wire break due to a change in composition or size.

1‧‧‧Metal wire continuous casting device

10‧‧‧Roll Belt Casting Wheel

101‧‧‧First shaping department

102‧‧‧First cooling system

11‧‧‧Shaping components

111‧‧‧Second shaping department

112‧‧‧Second cooling system

113‧‧‧ Ventilation system

114‧‧‧vents

12‧‧‧ cavity

12A~12D‧‧‧ cavity

2‧‧‧Metal melt soup

3‧‧‧Metal wire

A‧‧‧section

G‧‧‧ gas

1 is a schematic structural view of a metal wire continuous casting device according to the present invention; FIG. 2 is a schematic view showing a combination of a first molding portion and a second molding portion according to the present invention; FIG. 3A is a view of the ventilation system of the present invention; 3B is an enlarged schematic view of a ventilation system according to the present invention; FIG. 4A is a schematic cross-sectional view of a cavity according to an embodiment of the present invention; FIG. 4B is a schematic cross-sectional view of a cavity according to an embodiment of the present invention. 2); FIG. 4C is a schematic cross-sectional view of a cavity according to an embodiment of the present invention; FIG. 4D is a schematic cross-sectional view of a cavity according to an embodiment of the present invention (4).

Referring to FIG. 1, the present invention discloses a metal wire continuous casting device 1 applied to a metal wire continuous casting operation of a roll belt continuous casting wheel 10, which has a strip shape on its wheel surface. The first shaping portion 101 is filled with a molten metal 2, and the molten metal 2 is cooled and crystallized in the first shaping portion 101, and continuously cast into a metal wire 3. The metal wire continuous casting device 1 comprises: a shaping element 11 is coupled to the roll belt type continuous casting wheel 10 for holding the starting position of the metal melting material 2, and the shaping element 11 is coupled to one side of the roll belt type continuous casting wheel 10 to have a second shaping shape. a portion 111; wherein, when the shaping member 11 is combined with the roll belt continuous casting wheel 10, the second shaping portion 111 and the first shaping portion 101 form a closed geometry cavity with a cross section thereof 12.

In one embodiment, the roll belt caster 10 is internally provided with a first cooling system 102 that is circulated and cooled.

In an embodiment, the first cooling system 102 is a liquid cooling system.

In an embodiment, the first cooling system 102 is a gas cooling system.

In an embodiment, the space of the shaping member 11 that covers the second shaping portion 111 is provided with a circulating cooling second cooling system 112.

In an embodiment, the second cooling system 112 is a liquid cooling system.

In an embodiment, the second cooling system 112 is a gas cooling system.

In one embodiment, the first shaping portion 101 and the second shaping portion 111 are made of metal or graphite.

Referring to FIG. 2, as shown in FIG. 1, when the shaping member 11 is combined with the roll belt continuous casting wheel 10, the second shaping portion 111 and the first shaping portion 101 are The cross section forms a cavity 12 of closed geometry for receiving the molten metal 2 and cooling it into a metal wire.

3A and FIG. 3B, FIG. 3A and FIG. 3B are schematic diagrams showing the ventilation system of the present invention, and in this embodiment, the shaping member 11 internally covers the space of the second shaping portion 111. A ventilation system 113 is disposed. The wall of the second shaping portion 111 is provided with a plurality of ventilation holes 114. The ventilation system 113 transmits a gas G into the cavity 12 through the ventilation holes 114, and transmits the ventilation system 113. Provided that after the metal melt 2 is continuously cast and crystallized into the metal wire 3, the gas G is introduced to cause a gap between the metal wire 3 and the shaping member 11 due to the gas G, and the metal wire 3 and the fixed shaping member 11 are lowered. Relative motion friction, and thus avoid gold The wire 3 is broken due to composition variation or dimensional change; and between the metal wire 3 and the roll belt continuous casting wheel 10, the metal wire 3 is continuously transported by the first shaping portion 101, so There will be relative movements.

In the above embodiment, the gas G is an inert gas.

4A to 4D, FIG. 4A to FIG. 4D are schematic cross-sectional views of a cavity according to different embodiments of the present invention.

In the embodiment of Figure 4A, the closed geometry cavity 12A is trapezoidal.

In the embodiment of Figure 4B, the closed geometry cavity 12B is triangular.

In the embodiment of Figure 4C, the closed geometry mold cavity 12C is elliptical.

In the embodiment of Figure 4D, the closed geometry mold cavity 12D is square.

In one embodiment, the metal wire continuous casting apparatus of the present invention is applied to a continuous casting process for producing a degradable magnesium alloy wire.

In one embodiment, the degradable magnesium alloy composition is magnesium Mg: zinc Zn: calcium Ca is 1:2.8:0.8.

In one embodiment, the casting temperature of the magnesium alloy metal wire continuous casting apparatus is greater than 700 °C.

In one embodiment, the roll-to-roll caster 10 has a wheel speed of 3 rpm.

In one embodiment, the cast wire diameter of the magnesium alloy metal wire is 8 to 12 mm.

In one embodiment, the surface temperature of the outlet magnesium alloy metal wire is between 250 ° C and 300 ° C.

The results of the measured production can be normally cast and degradable magnesium alloy wire, and the appearance is silver white, no oxidation phenomenon.

The invention also provides a metal wire continuous casting device, the metal wire continuous casting device comprising: a driven rotating belt-type continuous casting wheel having a first shaping portion surrounding the wheel surface; and a shaping The component is coupled to the roll belt type continuous casting wheel to receive a starting position of a molten metal, one of the shaping elements is provided with a second shaping portion, and the second shaping portion and the first shaping portion are The cross section forms a cavity of a closed geometry, and the molten metal passing through the cavity is cooled and crystallized and continuously cast into a metal wire.

In one embodiment, the shaping element is internally provided with a ventilation system, and the wall of the second shaping portion is provided with a plurality of ventilation holes, and the ventilation system transmits a gas into the cavity through the ventilation holes.

In summary, the metal wire continuous casting device disclosed by the present invention has the following features: 1. The metal wire continuous casting device 1 of the present invention can produce metal wires 3 of various cross-sections, which are directly applicable to various fields of application. 2. The metal wire continuous casting device of the invention can be combined with the existing metal wire continuous casting equipment to achieve the effect of producing the metal wire 3 of various cross-sections at low cost; 3. The fixed shaping of the invention The inside of the component 11 can be through a venting system 113. After the metal melting furnace 2 is continuously cast and crystallized into the metal wire 3, the gas G is introduced to cause a gap between the metal wire 3 and the shaping member 11 due to the gas G, and the metal wire is lowered. 3 Relative frictional friction with the fixed shaping element 11 to avoid the disconnection of the metal wire 3 due to composition variation or dimensional change, to achieve continuous growth The effect of production.

The embodiments or examples of the technical means adopted by the present invention are not intended to limit the scope of the practice of the present invention. That is, the equivalent changes and modifications made in accordance with the scope of the patent application of the present invention or the scope of the invention are covered by the scope of the invention.

Claims (8)

A metal wire continuous casting device is applied to a metal wire continuous casting operation of a roll belt type continuous casting wheel. The roll belt type continuous casting wheel is filled with a metal melting soup in a strip-shaped first shaping part on the wheel surface. The metal melt is cooled and crystallized in the first shaping portion and continuously cast into a metal wire. The metal wire continuous casting device comprises: a shaping element coupled to the roll belt continuous casting wheel to contain the metal melting a starting position of the soup, the shaping element is coupled to one side of the roll belt continuous casting wheel to have a second shaping portion; wherein, when the shaping element is combined with the roll belt continuous casting wheel, the first The second shaping portion and the first shaping portion form a closed geometrical cavity with a cross section thereof, and the shaping element is internally provided with a ventilation system, and the wall of the second shaping portion is provided with a plurality of ventilation holes, the ventilation The system passes a gas through the vents into the cavity. The metal wire continuous casting apparatus according to claim 1, wherein the roll belt type continuous casting wheel is provided with a first cooling system. The metal wire continuous casting apparatus of claim 2, wherein the first cooling system is a liquid cooling system or a gas cooling system. The metal wire continuous casting device according to claim 1, wherein a space in which the second shaped portion is covered inside the shaping member is provided with a second cooling system. The metal wire continuous casting apparatus of claim 4, wherein the second cooling system is a liquid cooling system or a gas cooling system. The metal wire continuous casting apparatus according to claim 1, wherein the gas is an inert gas. The metal wire continuous casting device according to claim 1, wherein the first shaping portion and the second molding portion are made of a metal material or a graphite material. A metal wire continuous casting apparatus comprising: a driven rotating belt-type continuous casting wheel having a first shaping portion surrounding a wheel surface; and a shaping element coupled to The roll belt type continuous casting wheel holds a starting position of a metal melting material, and one surface of the shaping element is provided with a second shaping portion, and the second shaping portion and the first shaping portion form a closed portion with a cross section thereof a cavity of the geometric shape, the metal melting furnace passing through the cavity is cooled and crystallized, and continuously cast into a metal wire, the shaping element is internally provided with a ventilation system, and the wall of the second shaping part is provided with a plurality of passages a venting hole through which the venting system passes a gas into the cavity.