TWO-COLOR SPIRAL STRIP INJECTION MACHINE BASED ON PLC CONTROL AND STRIP INJECTION METHOD THEREOF

A two-color spiral strip injection machine based on PLC control, comprising: a frame having a strip injection machine body, a motor, a PLC control box and a transmission mechanism, wherein the motor is connected to the strip injection machine body via the transmission mechanism; the strip injection machine body includes a cast aluminum heating cylinder, a core regulating lead screw; the core regulating lead screw includes a copper wire inlet, a head and a snout; the snout is connected to the transmission mechanism; the cast aluminum heating cylinder includes a head flange and a sizing inlet; the head includes a strip injection nozzle, the cast aluminum heating cylinder further includes a temperature sensor; the control box includes a PLC control program; the automated two-color strip injection is implemented by obtaining the real-time monitoring and feedback information of the temperature sensor.