Circuit board welding machine suitable for double-sided circuit board

The utility model discloses a circuit board welding machine suitable for a double-sided circuit board. Including a base, a box body is arranged at the top of the base; a base is arranged at the top ofthe base; wherein a groove is formed in the top of the base, supporting frames are arranged on the two sides of the base, a cross beam frame is arranged on the tops of the two supporting frames, a fixing frame is arranged on the back of the base, a first sliding rod is arranged on one side of the fixing frame, a first air cylinder is arranged at the bottom of the first sliding rod, and a micro motor is slidably connected to the outer side of the first sliding rod. According to the utility model, the first sliding rod, the first air cylinder, the micro motor, the fixed clamping hand, the clamping plate, the first buckling plate and the second buckling plate are arranged; the clamping plate, the first buckling plate and the second buckling plate are matched and buckled to fix the circuit board, the two ends of the