Hot core box mold capable of exhausting air from lower mold

• Main Authors: XIAN TENG, CHEN YONG, CHEN JIAQIANG
• Format: Patent
• Language: Chinese; English
• Published: 14.12.2021
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The utility model relates to the technical field of hot core box molds, in particular to a hot core box mold with a lower mold exhausting air, which comprises a lower mold plate, an upper mold plate is movably connected to the upper surface of the lower mold plate, a material placing table is fixedly connected to the upper surface of the upper mold plate, a feeding hole is arranged in the material placing table, a cavity is arranged in the lower mold plate, and the lower mold plate is fixedly connected with the lower mold plate. Two fixing grooves are symmetrically formed in the inner wall of the mold cavity, the mold cavity is movably connected with a mold core through the two fixing grooves, two grooves are symmetrically formed in the inner wall of the mold cavity, and when raw materials are injected into the mold cavity, most air in the mold cavity can flow into the mold core through a plurality of through holes formed in the mold core, the through holes and connecting pipes connected to the through holes;