Through type sealing box type furnace

The utility model relates to the technical field of sealed box-type furnaces, in particular to a through-type sealed box-type furnace, which improves the convenience of material conveying, reduces the labor intensity of manual material movement and improves the working efficiency. Comprising a base and a furnace body, the furnace body is installed at the top end of the base, and openings are formed in the left and right ends of the furnace body; the front ends and the rear ends of the supporting rollers are rotationally installed on the inner side wall of the base correspondingly, the outer side walls of the supporting rollers are sleeved with the crawler belts, the top ends of the crawler belts are flush with the top end of the base, and the first motor is installed on the outer side wall of the base; the output end of the first motor is concentrically connected with the leftmost supporting roller, and the sealing devices are arranged at openings in the left end and the right end of the furnace body and used