Safe and stable large cold chain foaming clamp

The invention provides a safe and stable large cold chain foaming clamp which comprises a bearing plate, a mold core placing table is installed above the bearing plate through a sliding assembly, fixing seats are installed on the left side and the right side of the mold core placing table and connected with the bearing plate, side clamping plates are arranged on the fixing seats and driven by clamping assemblies, and the side clamping plates are connected with the bearing plate through clamping assemblies. A lower pressing frame is installed on the side clamping plate and driven by a lower pressing assembly, grooves are formed in the positions, on the fixing base, of the left side and the right side of the mold core containing table, the front ends of the grooves are of open design, guide sliding rods are installed in the grooves, bearing blocks are installed on the guide sliding rods, and the bearing blocks move on the guide sliding rods; through cooperation of the bearing plate and the sliding assembly, whe