Fixing structure and woven mesh ultrasonic welding machine

The utility model provides a fixing structure and a woven mesh ultrasonic welding machine, and belongs to the technical field of welding machines. The fixing structure comprises a workbench and a lower die base installed on the workbench, a plurality of lower tooth blocks are fixedly installed on the top of the lower die base, a lifting mechanism is installed in the lower die base, and a clamping piece and a plurality of ejector pins are installed on the top of the lifting mechanism. The lifting mechanism is installed in the lower die base, the clamping piece and the ejector pin are installed on the lifting mechanism, the clamping piece can fix the contact end of the nylon woven mesh and is matched with the supporting plate at the same time, the folded nylon woven mesh is clamped and supported, the ejector pin can be stored downwards at the moment, and after the nylon woven mesh is welded, the clamping piece can be driven by the lifting mechanism to move upwards, so that the nylon woven mesh is welded. And me