Circuit board welding positioning device for protection

The utility model belongs to the technical field of welding fixing devices, and particularly relates to a circuit board welding positioning device for protection, which comprises a base, two sliding chutes are fixedly arranged on the top surface of the base, the two sliding chutes are respectively connected with two sliding rods in a sliding manner, and a movable plate is fixedly arranged on the top surfaces of every two sliding rods. According to the device, the sliding rods are arranged, the bottom ends of the sliding rods are slidably connected with the sliding grooves, the top ends of the sliding rods are fixedly connected with the movable plate, then the sliding rods can drive the movable plate to move when moving in the sliding grooves, the two sliding rods are arranged on the bottom face of the movable plate, and therefore the movable plate can move more smoothly and stably, and convenience and practicability of the device are improved; and the positions of the two movable plates can be adjusted throug