Polycrystal fiber liner hot press molding device

The utility model discloses a polycrystalline fiber gasket hot press forming device which structurally comprises a base and further structurally comprises a plurality of sets of supporting blocks with different thicknesses, a lower die holder is arranged on the base, an upper die holder capable of moving up and down is arranged above the lower die holder, electric heating plates are arranged in the upper die holder and the lower die holder, a plurality of connecting grooves are formed in the lower die holder, and the connecting grooves are communicated with the supporting blocks. The number of the connecting grooves is equal to that of each group of supporting blocks, each group of supporting blocks are respectively fixed on the connecting grooves, the top of each supporting block is provided with a pressure-bearing surface, the upper die holder is provided with a plurality of lower pressing surfaces, and the pressure-bearing surfaces are matched with the lower pressing surfaces to enable the supporting block