Self-selection synchronous ejector pin oil way control system of injection molding machine

• Main Authors: KANG XIAOJUN, MEI XIAOYONG, LIAO WEIYANG
• Format: Patent
• Language: Chinese; English
• Published: 12.05.2023
• 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 a self-selection synchronous ejector pin oil way control system of an injection molding machine, which belongs to the technical field of injection molding machines, and comprises an unlocking mold, an ejector pin, a first oil way, a second oil way, a control loop, a cartridge valve and a shuttle valve, the cartridge valve is connected with the first oil way and the second oil way, the shuttle valve is provided with a first oil inlet, a second oil inlet and an oil outlet, the first oil inlet is communicated with the first oil way, the second oil inlet is communicated with the control loop, the oil outlet is communicated with the cartridge valve, and the shuttle valve controls opening and closing of the cartridge valve. According to the utility model, whether the mold opening action and the ejection action of the ejector pin are synchronous or not can be controlled according to the requirement of a user, the actual requirement of the user is met, and unnecessary energy waste is redu