Metal ribbon manufacturing system

Abstract

The present invention aims to provide a metal ribbon manufacturing system that can provide a uniform flow of molten metal throughout the ribbon manufacturing process by actively controlling the flow speed of molten metal using other means without relying on the self-weight of the molten metal. According to the above purpose, the present invention provides a metal ribbon manufacturing system in which a melting unit into which molten metal enters is configured in a vacuum chamber, a nozzle unit at the bottom of the melting unit is closed together with the melting unit and evacuated to vacuum-melt a substance and the nozzle unit is open, then gas is injected into the vacuum chamber where the melting unit is configured to pressurize the molten metal so that the molten metal flows to the nozzle unit, and the flow speed of the molten metal can be precisely controlled by the gas injection.

What is claimed is: 
     
         1 . A molten metal manufacturing and supply module characterized by the following: a molten metal manufacturing and supply module, which manufactures, discharges and supplies molten metal, comprises a melting unit that vacuum-melts materials;
 a nozzle unit installed at the bottom of the above melting unit and elutes the molten metal; and a pressure control unit that regulates the vacuum level and pressure for the above melting unit and the nozzle unit;   the above melting unit includes a vacuum chamber for vacuum melting;   a melting furnace for containing materials;   a heater for heating the above melting furnace, and a power supply unit for supplying power to the heater;   the above nozzle unit includes a nozzle formed at the bottom of the melting furnace to discharge the molten metal;   a stopper that opens and closes the above nozzle from inside the nozzle;   and an opening/closing unit at the bottom of the nozzle unit for opening and closing the above nozzle from outside the bottom of the vacuum chamber;   
       the above pressure control unit includes a gas port for controlling the vacuum level, atmosphere, and air pressure of the vacuum chamber, 
       wherein the vacuum chamber is opened to load the material into the melting furnace, the vacuum chamber is sealed, the opening/closing unit at the bottom of the nozzle unit is closed, the inside of the vacuum chamber is evacuated through the gas port, an inert gas is injected to create an inert atmosphere around the melting furnace, the heater is turned on and heats the melting furnace to make molten metal, and the opening/closing unit at the bottom of the nozzle unit is opened, the above pressure control unit supplies an inert gas to the vacuum chamber through the gas port to pressurize the molten metal, the stopper of the above nozzle unit is raised from the nozzle to open the nozzle and discharge the molten metal from the nozzle, and the pressure control unit controls the flow of the molten metal by controlling the pressure for pressurizing the molten metal. 
     
     
         2 . The melting molten metal manufacturing and supply module unit according to  claim 1 , wherein the melting unit characterized by having a component analysis unit that can analyze the components of the molten metal after manufacturing the molten metal and before discharging it, and the component analysis unit that collects the molten metal from the melting furnace without breaking the vacuum of the vacuum chamber and transports it out of the vacuum chamber, and by adding a material of a specific component to the melting furnace if it is necessary to adjust the components of the molten metal. 
     
     
         3 . The molten metal manufacturing and supply module unit according to  claim 1 , wherein the vacuum chamber is a molten metal manufacturing and supply module characterized by including a partition dividing the space along the top of the furnace, the gas port of the pressure control unit that includes the first gas port for controlling the pressure in the space above the melting furnace and the second gas port for controlling the pressure in the space below the melting furnace where the nozzle unit is located, the first gas port and the second gas port that discharge the gas inside the vacuum chamber to the outside in order to evacuate the vacuum chamber for vacuum melting and by increasing the cleanliness during vacuum melting of the molten metal by injecting inert gas into the space below the melting furnace in the vacuum chamber through the first gas port and the second gas port after evacuation to create an inert atmosphere. 
     
     
         4 . The molten metal manufacturing and supply module according to  claim 3 , characterized by an inert gas injected through the first gas port to pressurize the molten metal for discharge of the molten metal. 
     
     
         5 . The molten metal manufacturing and supply module according to  claim 1 , wherein the nozzle unit is characterized by raising and rotating a stopper to discharge molten metal by further including a stopper control unit and the stopper control unit that includes a linear member connected to the stopper and a rotational conversion member. 
     
     
         6 . The molten metal manufacturing and supply module according to  claim 1 , wherein the discharge of the molten metal is controlled by the pressurizing force of the above pressure control unit to apply the slit size of the nozzle to 0.5 mm or less. 
     
     
         7 . The molten metal manufacturing and supply module according to  claim 6 , wherein the discharge of the molten metal is not dependent on the self-weight of the molten metal. 
     
     
         8 . A ribbon manufacturing system characterized by including the above molten metal manufacturing and supply module of  claim 1 ;
 the position control unit of the molten metal manufacturing and supply module;   and the wheel unit placed at the bottom of the molten metal manufacturing and supply module;   wherein the position control unit of the molten metal manufacturing and supply module includes an elevating and lowering driving device for elevating and lowering the molten metal manufacturing and supply module and an X-Y motion stage, the wheel unit includes a wheel and a support that fixes the wheel without vibration, and the above molten metal manufacturing and supply module is lowered after opening/closing unit at the bottom of the nozzle unit is opened by the position control unit of the above molten metal manufacturing and supply module to primarily control the gap D between the lower part of the nozzle and the wheel, and then the stopper is opened to discharge the molten metal onto the wheel, and the gap D is secondarily precisely controlled to adjust the thickness of the thin plate being manufactured by using the elevating/lowering drive device and the X-Y motion stage to align.   
     
     
         9 . The ribbon manufacturing system according to  claim 8 , which is characterized by the wheel that rotates at 30 to 50 m/sec for ribbon manufacturing and is cleaned using high-pressure gas or a scraper during the ribbon manufacturing process. 
     
     
         10 . The ribbon manufacturing according to  claim 9 , provides a ribbon manufacturing system characterized by a continuous process.