Servo energy-saving device of injection molding machine and energy saving method

An energy-saving device and injection molding machine technology, applied in the field of injection molding machine servo energy-saving devices, can solve energy waste and other problems

Inactive Publication Date: 2010-10-27
TEDERIC MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the existing injection molding machines are mainly based on quantitative pump system and variable variable pump system. The power source motor of this type of system is a three-phase asynchronous motor. waste

Method used

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  • Servo energy-saving device of injection molding machine and energy saving method
  • Servo energy-saving device of injection molding machine and energy saving method
  • Servo energy-saving device of injection molding machine and energy saving method

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] With reference to the drawings, the present invention will be further described below.

[0014] Main components of equipment:

[0015] Such as figure 1 :Servo motor, motor base, light-weight non-backlash coupling, internal gear pump, the servo motor is fixed on the motor base by screws, the gear pump is fixed on the motor base by screws, the servo motor and gear The pump is connected by a lightweight, gapless coupling.

[0016] Such as figure 2 :Injection molding machine, injection molding machine control system, servo motor, pressure sensor, gear pump, servo driver. The injection molding machine is the target device of this patent. The injection molding machine control system is installed on the injection molding machine and controls various actions of the injection molding machine. , The servo motor and gear pump press figure 1 After the connection is shown, it is installed on the injection molding machine, the pressure sensor is installed on the injection molding machine,...

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PUM

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Abstract

The invention provides a servo energy-saving device of an injection molding machine, which comprises an injection molding machine control system, a servo driver, a servo motor, a pressure sensor and a gear pump, wherein the injection molding machine control system is connected with the servo driver; the servo driver is connected with and controls the servo motor; the servo motor is connected with the gear pump; the gear pump is connected with the injection molding machine; and the pressure sensor is connected with the injection molding machine and the servo driver respectively. The energy-saving method comprises that: the injection molding machine control system transmits a pressure and flow instruction to the servo driver; the servo driver converts the pressure and flow instruction into a rotating speed instruction and transmits the rotating speed instruction to the servo motor; the servo motor drives the gear pump to rotate; the gear pump outputs a pressure and a flow according to the instruction; the pressure sensor acquires the pressure of the injection molding machine and feeds the pressure back to the servo driver; the servo motor feeds a rotating speed back to the servo driver; the servo driver feeds the actual pressure and the actual flow back to the injection molding machine control system; and the injection molding machine control system compares the actual flow and the actual pressure with an instructed flow and an instructed pressure to regulate the instructed flow and the instructed pressure to realize closed loop control.

Description

Technical field [0001] The invention relates to a servo energy-saving device and an energy-saving method for an injection molding machine, and is a key technology for the injection molding machine to realize servo energy saving. Background technique [0002] As the country proposes to build an energy-saving society and advocate a low-carbon green life, higher requirements are put forward for the energy-saving requirements of injection molding machines. [0003] The existing injection molding machines are mainly fixed pump systems and variable pump systems. The power source motor of this type of system is a three-phase asynchronous motor. Regardless of the working conditions, the motor will run at a constant speed after it is turned on, which will cause huge energy. waste. Summary of the invention [0004] In order to overcome the above technical problems, the present invention provides a servo energy-saving device for an injection molding machine, including an injection molding mac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/76
Inventor 郑建国周宏伟魏建鸿
Owner TEDERIC MACHINERY
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