Single-layer box type thermal forming heating furnace for metal heat treatment

The single-layer box type thermal forming heating furnace for metal heat treatment comprises a box type heating furnace shell, a sealing box door is detachably arranged on the front side of the box type heating furnace shell, a movable opening is formed in one side of the sealing box door in a front-back penetrating mode, and an unloading auxiliary part is arranged on the front side of the box type heating furnace shell. According to the technical scheme, the unloading auxiliary part is arranged in the box-type heating furnace shell, after a workpiece on the containing plate is subjected to heat treatment in the box-type heating furnace shell, the sealing plate is opened through the telescopic device, meanwhile, the Z-axis driving part enables the containing plate to move to the position in front of the sealing box door from the movable opening, and the movable opening is closed through the shielding plate; and the electric telescopic rods extend to make contact with the rear end of the bottom of the containi