Clamp for welding optical communication component through laser tin soldering

The invention relates to a clamp for welding an optical communication component through laser tin soldering, which is used for positioning a circuit board and a flexible board and comprises a workbench and a fixing assembly, a first clamping groove and a second clamping groove are formed in the workbench, the first clamping groove and the second clamping groove are partially overlapped to form a welding area, the circuit board is embedded in the first clamping groove, the flexible board is embedded in the second clamping groove, and the parts, located in the welding area, of the circuit board and the flexible board are stacked; the fixing assembly is fixedly connected with the workbench, the fixing assembly is provided with a fixing end capable of moving relative to the workbench, when the fixing end moves to a first position, the fixing end, the first clamping groove and the second clamping groove form a clamping gap, and when the fixing end moves to a second position, the clamping gap is formed between the