Double-station heterogeneous preform processing device

The utility model relates to a carbon material processing device, and discloses a double-station heterogeneous preform processing device, which comprises a main frame, a processing rack, a straight-wall needling mechanism, a back needling mechanism and a winding mechanism, the main frame comprises a supporting base frame, a supporting back frame and a supporting top frame, the supporting back frame is provided with a back frame cross beam, and the back frame cross beam is provided with a back frame cross beam; a supporting guide beam and a supporting cantilever are arranged on the supporting top frame; the machining rack comprises a movable bedplate and a lifting bedplate above the movable bedplate, a horizontal rotating mechanism and a transmission gear box are arranged on the lifting bedplate, and a driving main shaft and a machining mold are oppositely arranged at the two ends of the transmission gear box; the straight wall needling mechanism is correspondingly arranged on the supporting guide beam, and th