Metal processing holding device

The invention discloses a metal processing holding device, which is composed of an equipment box and a box cover, wherein the box cover is embedded and fixed onto the equipment box and is internally provided with a holding frame, the holding frame is embedded and fixed onto a support plate on the inner wall of the box cover, a closed door is arranged at the side end of the box cover, the side endof the equipment box is provided with a controller and an air outlet, the bearing surface of the equipment box is provided with four exhaust holes and a heater, and the four exhaust holes are locatedat the four end corners of the bearing surface of the equipment box respectively. Through the design of the embedded structure between the equipment box and the box cover, the equipment box is convenient to clean and maintain; an air suction device can discharge air in the box cover, so that the box cover is in a vacuum state internally, and the air oxidation of a processed semi-finished metal product is avoided; when the