Double-servo control system and energy-saving injection molding machine comprising same

Abstract

The invention is applied in the field of electromechanical control, and discloses a double-servo control system and an energy-saving injection molding machine comprising the same. The double-servo control system comprises first and second servo control systems connected through a shared direct current bus assembly to mutually utilize the braking energy. The energy-saving injection molding machine comprises a frame; and mechanisms, electricity, liquid and the double-servo control system are arranged on the frame. The first servo control system provides power for operations of mechanisms of die opening and closing, rubber injection, advance and retreat of an injection table, ejection and the like; and the second servo control system drives a rubber melting mechanism. According to the double-servo control system and the energy-saving injection molding machine provided by the invention, on the one hand, overflow energy loss of the traditional hydraulic injection molding machine is eliminated by tracking and control matching of a load, and the braking energy of the first and second servo control systems is complementary by using a common direct current bus technology; and on the other hand, synchronization of rubber melting operation and other process operations is realized, so that the rubber injection period is greatly shortened, the energy consumption is effectively reduced and the work efficiency is improved.

Description

technical field [0001] The invention belongs to the field of electromechanical control systems, in particular to a dual-servo control system and an energy-saving injection molding machine including the system. Background technique [0002] When the traditional hydraulic injection molding machine is in production, the ordinary three-phase motor drives the variable pump to provide power for the entire hydraulic system of the injection molding machine. Therefore, throughout the entire injection molding process, the motor drives the oil pump to provide hydraulic oil for the hydraulic system. The hydraulic oil at the set pressure flows back to the oil tank through the overflow valve, which causes heat generation and huge energy loss. At the same time, the hydraulic oil is easy to cause environmental pollution; although the all-electric injection molding machine has the characteristics of energy saving and environmental protection, its manufacturing cost is high, and Due to the re...

AI Technical Summary

Problems solved by technology

The above methods will cause waste of energy, poor energy saving effect, and high energy consumption of equipment

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