Environment-friendly plastic injection molding equipment and molding process

• Main Authors: PENG YUNLIANG, ZHAO RUNSHENG
• Format: Patent
• Language: Chinese; English
• Published: 25.11.2022
• 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 environment-friendly plastic injection molding equipment comprises a base and a mold assembly, the mold assembly comprises a first mold base and a second mold base, the first mold base is provided with a first mold, the second mold base is provided with a second mold, and the first mold is internally provided with a plurality of transversely-formed and parallel air limiting channels; a transversely-arranged air limiting rod is arranged in the air limiting channel, and an air sealing piece is arranged at the end, close to the forming surface of the first mold, of the air limiting rod. Air pumping work is conducted through air pump equipment, at the moment, negative pressure is formed at the end opening of the air limiting channel, and a workpiece is firmly adsorbed to the first mold; when the first mold is completely separated from the second mold, the air pump equipment is controlled to carry out air supply work at the moment, air injection is carried out at the end opening of the air limiting channel, so