Vacuum furnace with high processing efficiency

The utility model relates to the technical field of vacuum furnaces, and discloses a vacuum furnace with high processing efficiency, which comprises a main machine, an electric heating device, a sealing furnace shell, a vacuum system, a power supply system, a temperature control system and a furnace body, a stirring shaft is arranged in the furnace body, the right side of the furnace body is connected with a fixing plate, and the right side of the fixing plate is provided with a collecting box. A fixing block is arranged on the collecting box, a fixing groove is formed in the middle of the fixing block, and a folded plate is connected into the collecting box. According to the vacuum furnace with the high machining efficiency, through cooperation of a fixing plate and a fixing block, sealing of the collecting box can be achieved, through cooperation of a fixing groove, the purpose of fixing the collecting box can be achieved, meanwhile, through the effect of the collecting box, the effect of cooling gas in the