Automatic cleaning structure for production line groove body

The utility model discloses an automatic cleaning structure for a production line tank body, which comprises a tank body, a liquid injection pipeline is connected to the position, close to the bottom, of the tank body, and the liquid injection pipeline is obliquely arranged downwards in the direction close to the tank body. A liquid medicine pneumatic valve, a cleaning liquid pneumatic valve, a neutralizing liquid pneumatic valve and a water inlet pneumatic valve are sequentially arranged from low to high, a first liquid level sensor is arranged close to the bottom of the tank body, a second liquid level sensor is arranged close to the top of the tank body, and an overflow pipeline is arranged on the side face, higher than the second liquid level sensor, of the tank body. The overflow pipeline is provided with an overflow pneumatic valve, the bottom of the tank body is provided with a liquid discharge port, two branch pipes of the liquid discharge port are respectively provided with a liquid discharge pneumat