A double-shaft rotating structure suitable for an electric heating forming apparatus, comprising: a main shaft driven by a main motor to continuously rotate about the horizontal central axis of the main shaft; a housing disposed at the end of the main shaft and rotated in synchronization with the main shaft; a first countershaft sleeved in the main shaft and driven by an auxiliary motor to continuously rotate about the horizontal central axis of the first countershaft; two second countershafts, the ends of which are symmetrically arranged opposite to each other inside the housing, wherein the two second countershafts are respectively hinged perpendicularly to the first countershaft, and the first countershaft drives the two second countershafts via transmission gears to rotate continuously about the central axes of the two second countershafts respectively; a third countershaft sleeved in the first countershaft and driven by the main motor to rotate in synchronization with the main shaft, wherein a strong current cable and a weak current control cable are laid in the third countershaft, with a shielding structure being arranged between the strong current cable and the weak current control cable; two fixing discs for fixing a mould, the two fixing discs being disposed at the ends of the two second countershafts respectively and rotated in synchronization with the rotation of corresponding second countershafts; two first collecting slip rings disposed in the housing corresponding to the two second countershafts respectively, wherein inner rings of the first collecting slip rings are connected to first ends of the strong current cable and the weak current control cable, and outer rings of the two first collecting slip rings are rotated in synchronization with the corresponding second countershafts thereof; a second collecting slip ring, wherein an inner ring of the second collecting slip ring is connected to a power supply cable and a control signal cable respectively, an outer ring of the second collecting slip ring is connected to the other ends of the strong current cable and the weak current control cable respectively, and the outer ring of the second collecting slip ring is connected to the third countershaft and rotated with the rotation of the third countershaft; and a plurality of electric heating elements, wherein a lead wire of the electric heating elements is connected to the outer rings of the first collecting slip rings on the same side thereof. a main shaft driven by a main motor to continuously rotate about the horizontal central axis of the main shaft; a housing disposed at the end of the main shaft and rotated in synchronization with the main shaft; a first countershaft sleeved in the main shaft and driven by an auxiliary motor to continuously rotate about the horizontal central axis of the first countershaft; two second countershafts, the ends of which are symmetrically arranged opposite to each other inside the housing, wherein the two second countershafts are respectively hinged perpendicularly to the first countershaft, and the first countershaft drives the two second countershafts via transmission gears to rotate continuously about the central axes of the two second countershafts respectively; a third countershaft sleeved in the first countershaft and driven by the main motor to rotate in synchronization with the main shaft, wherein a strong current cable and a weak current control cable are laid in the third countershaft, with a shielding structure being arranged between the strong current cable and the weak current control cable; two fixing discs for fixing a mould, the two fixing discs being disposed at the ends of the two second countershafts respectively and rotated in synchronization with the rotation of corresponding second countershafts; two first collecting slip rings disposed in the housing corresponding to the two second countershafts respectively, wherein inner rings of the first collecting slip rings are connected to first ends of the strong current cable and the weak current control cable, and outer rings of the two first collecting slip rings are rotated in synchronization with the corresponding second countershafts thereof; a second collecting slip ring, wherein an inner ring of the second collecting slip ring is connected to a power supply cable and a control signal cable respectively, an outer ring of the second collecting slip ring is connected to the other ends of the strong current cable and the weak current control cable respectively, and the outer ring of the second collecting slip ring is connected to the third countershaft and rotated with the rotation of the third countershaft; and a plurality of electric heating elements, wherein a lead wire of the electric heating elements is connected to the outer rings of the first collecting slip rings on the same side thereof.