Annealing furnace observation opening cover for aluminum foil production and processing

The utility model discloses an annealing furnace observation port cover for aluminum foil production and processing, the observation port cover is embedded and mounted in the side surface of an annealing furnace through a metal protective fire-resistant frame, and a high-temperature-resistant transparent observation port is embedded and fixed in the middle position in the metal protective fire-resistant frame; comprising guide sliding rails which are symmetrically installed on the left side and the right side of a metal protection fire-resistant frame, and guide sliding blocks are assembled outside the guide sliding rails in a clamped mode; the lower end of the transverse positioning support rod is connected with the upper end of the high-temperature-resistant fireproof cover through two groups of fixing brackets; and the fixing frame is fixedly installed at the side position of the metal protection fire-resistant frame, and a threaded shaft rod is rotationally installed in the fixing frame. According to the