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

A servo control system and control system technology, applied in the field of energy-saving injection molding machines, can solve the problems of high equipment energy consumption, energy waste, and poor energy-saving effect, and achieve the effect of low equipment energy consumption and good energy-saving effect

Active Publication Date: 2012-02-22
SHENZHEN UNIV
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Problems solved by technology

The above methods will cause waste of energy, poor energ

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

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[0022] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.

[0023] In the embodiment of the present invention, the first servo control system and the second servo control system are connected by using a common DC bus assembly in the dual servo control system, and the first servo control system or the second servo control system is in the braking process The energy generated in the system is collected, converted into electric energy, and fed back to the second servo control system or the first servo control system in the working state, which realizes the effective use of braking energy and achieves the purpose of saving energy consumption.

[0024] figure...

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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...

Claims

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Application Information

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IPC IPC(8): B29C45/76
Inventor 杜建铭徐年生蔡恒志冯志远罗一星谢金铎
Owner SHENZHEN UNIV
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