Energy saving lamp exhaust mercury-free tube heating device

The utility model discloses an energy saving lamp exhaust mercury-free tube heating device which comprises a baking oven with a lower opening, both sides of the baking oven are movably connected with door plates, ends of the adjacent sides of the door plates are connected with a pull cable, the pull cable bypasses a sliding device on the top of the baking oven to be downward. In the utility model, a door is arranged on the baking oven with the lower opening, the heat internally generated by the baking oven can only heat a lamp tube in the baking oven during the exhaust heating process of the lamp tube, other parts outside the door (under the door) are not affected, the energy resource is saved, the lamp tube has no need to connect with a mercury tube, the liquid mercury only needs to be injected into a core column tube, and the production cost is effectively reduced.