Constant-temperature magnetic heating stirrer

The utility model discloses a constant-temperature magnetic heating stirrer which comprises a base, the upper end of the base is fixedly connected with a workbench and a fixing column, the fixing column is located on one side of the workbench, and one side of the fixing column is fixedly connected with a height adjusting assembly. The height adjusting assembly is composed of a sliding rod, a lower fixing base, a lead screw, a connecting column, a crank, an upper fixing base and a sliding block, the upper fixing base and the lower fixing base are fixedly connected to the upper end and the lower end of the sliding rod respectively, the lead screw is arranged on one side of the sliding rod, and the upper end and the lower end of the lead screw are rotationally connected between the upper fixing base and the lower fixing base through bearings respectively; the upper end of the lead screw penetrates through the upper portion of the upper fixing base, and a crank is fixedly connected to the upper end of the lead sc