Needle valve hot runner injection mold for automobile plastic thin-wall part

The utility model relates to the technical field of injection molds, in particular to an injection mold for a needle valve hot runner of an automobile plastic thin-wall part, which comprises a lower mold shell and an upper mold shell, the upper mold shell is arranged above the lower mold shell, a mold ejecting mechanism is arranged on the lower mold shell, an isolation mechanism is arranged in the lower mold shell, the mold ejecting mechanism comprises an inner mold core, and the inner mold core is arranged in the lower mold shell. The inner mold core is arranged in the upper mold shell, a partition plate is arranged below the inner mold core, an air bag is arranged below the partition plate, an air pump is fixedly installed on the side wall of the lower mold shell, an air pipe is arranged between the air pump and the air bag for connection, a rectangular side edge groove is formed in the lower portion of the inner mold core, and an air outlet is formed in the lower portion of the rectangular side edge groove