Automatically-controlled closed flow guide device for horizontal continuous casting of copper alloy

The invention discloses an automatically-controlled closed flow guide device for horizontal continuous casting of copper alloy. The device comprises a flow guide groove, a closed piston, a universal flexible shaft and a hydraulic cylinder. The closed piston is located in the flow guide groove, a closed space is formed by the closed piston and the flow guide groove, the closed piston is controlled to move in the flow guide groove through the universal flexible shaft connected to the closed piston, and the other end of the universal flexible shaft is connected with the hydraulic cylinder; one end of the diversion trench is connected with the heating furnace and is connected with the hydraulic cylinder through the closed piston and the universal flexible shaft; a groove opening is formed in the groove wall of the flow guide groove, and a heat preservation furnace is connected below the groove opening. According to the device disclosed by the invention, the oxidation burning loss of the high-temperature melt in t