The invention relates to the field of glass sheet hot bending molding, in particular to a machining device and machining technology for glass sheet hot bending molding. The machining device and machining technology finish machining through a jig structure and the simple process. The machining device mainly comprises a whole rack and a supporting part. The whole rack is of a rack structure with the periphery sealed and a cavity inside. The supporting part is arranged under the whole rack to support the whole rack. The inner cavity of the whole rack is sequentially and transversely provided with a preheating area, a molding area and a cooling area from left to right. Isolation areas are installed at the left end and the right end of the outer side of the whole rack. Meanwhile, the whole rack is provided with a conveying rail which is communicated with the isolation areas at the two ends and connected with the preheating area, the molding area and the cooling area. Glass sheets are loaded and pressed through a jig so as to finish the whole process of glass sheet hot bending molding. Loading performance of the graphite jig is stable, pressing and heating of the jig are uniform, the structure of the whole machining device is simplified, and the machining technology is simple.