Universal LED circuit board welding combined die

The utility model discloses a universal LED circuit board welding combined die, which belongs to the technical field of LED package. The universal LED circuit board welding combined die comprises a loading die, a workbench, a supporting table and a fixing and pressing mechanism, wherein the middle part of the workbench is provided with a square stepped through hole, the loading die and the supporting table are respectively of a cube structure, both sides of the upper surface of the workbench are provided with a first channel and a second channel, the upper surface of the loading die is provided with first through holes in N rows and N columns, the fixing and pressing mechanism comprises a first pressing claw, a second pressing claw, a first barrier strip and a second barrier strip, the first pressing claw comprises pressing plate fastening nuts, pressing plate fastening screws and pressing plates, the second pressing claw and the first pressing claw are of the same shape and structure, and the first barrier strip and the second barrier strip are respectively of a U-shaped structure. The universal LED circuit board welding combined die utilizes the effective cooperation between the fixing and pressing mechanism and the loading die, the workbench and the supporting table, breaks away from the restrictions of different sizes of the LED circuit boards on production, is simple operation method and fast in model switching speed, and improves production efficiency.