Feeding device of an injection molding machine

• Main Author: TSENG, CHIENIA
• Format: Patent
• Language: Chinese; English
• Published: 16.11.2017
• 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

A feeding device of an injection molding machine includes a feeding tube, a screw rod, and a driving mechanism. The feeding tube is formed with a feeding hole, and a delivery hole. The screw rod extending into the delivery hole and is rotatable about a first axis. The screw rod used to control open and close the feeding hole. The driving mechanism includes a connecting assembly, a cam member, and a driving motor. The connecting assembly fixedly connected to the screw rod and movable together with the screw rod along the first axis. The connecting assembly includes a push member. The push member is rotatable about a second axis that perpendicular to the first axis. The cam member is formed with a guiding slot that engages the push member. The driving motor drives the cam member to rotate about the second axis so as to drive movement of the connecting assembly and the screw rod such that the screw rod is movable between an open position, where the feeding hole is open, and a closed position, where the feeding h