Double-adjustable bar sealing device utilized in roasting machine, and roasting machine having same

A double-adjustable bar sealing device utilized in a roasting machine, and a roasting machine (100) having the same. The double-adjustable bar sealing device comprises an adjustable bar frame (1) and two adjustable bars. An air feeding chamber (10) is defined in the adjustable bar frame (1) and comprises an air inlet port and an air outlet port (102). The two adjustable bars are respectively connected to the adjustable bar frame (1) and suitable for being movably connected to a trolley (1002) of the roasting machine (100). The two adjustable bars are separated from each other to form an air feeding space (20) communicating air outlet port (102) and a roasting chamber (1001) of the roasting machine (100).