Glass tube multi-section temperature control heating device

The utility model relates to a multi-section temperature control heating device for a glass tube, which comprises a heating furnace body, the heating furnace body is provided with a furnace core positioned in the heating furnace body, a plurality of sections of heating parts are embedded in the furnace core, an opening is formed at the tail end of the furnace core, and the heating temperature of the heating part closer to the opening is lower than that of the heating part farther from the opening; and the lifting part is used for controlling the time and the speed of a workpiece entering the furnace core, accurately controlling the lifting position of the heating furnace body through a motor and a lifting screw rod, and matching with two sections of heating at different temperatures in the heating furnace body, so that different positions of the glass tube are heated at different temperatures, and the tube bottom of the glass tube is easier to melt to a preset degree. 本实用新型为一种玻璃管多段控温加热装置，其包括：加热炉体，其设有位于所述加热炉体内