Reflow soldering device for PCBA (Printed Circuit Board Assembly) processing

The utility model relates to the technical field of reflow soldering devices, and discloses a reflow soldering device for PCBA (printed circuit board assembly) processing, which comprises a workbench, a bottom box is arranged at the bottom of the workbench, a welding concave table is arranged at the upper end of the workbench, and a lifting block is arranged at the bottom in a groove of the welding concave table. A mounting hole is formed in the middle of the upper end of the workbench, an air cylinder is arranged in the mounting hole, the upper end of the air cylinder penetrates through the welding concave table to be connected with the bottom of the lifting block, the upper left end of the workbench is connected with a supporting frame, and the horizontal end of the supporting frame is connected with a supporting plate. And supporting seats are mounted at the left upper end and the right upper end of the supporting plate. According to the PCBA welding device, the placement hole, the lifting block and the ai