Servo motor control system of all-electric injection molding machine and control method thereof

A servo motor and control system technology, applied in the field of electric injection molding machines, can solve problems such as high energy consumption, pollution, and low production efficiency

Inactive Publication Date: 2011-01-19
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although the existing hydraulic injection molding machine driving device can generate a large force to drive the mechanical structure to achieve

Method used

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  • Servo motor control system of all-electric injection molding machine and control method thereof

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Embodiment Construction

[0108] The present invention will be further described below in conjunction with drawings and embodiments. However, the embodiments of the present invention are not limited thereto.

[0109] A general injection molding machine mainly includes four parts: injection part, mold clamping part, servo motor power system, computer panel control system.

[0110] The electric injection molding machine is an injection molding machine that uses an AC servo motor and is equipped with components such as a ball screw and a toothed belt wheel to drive each mechanism. The fundamental feature is that all drive modules are all electric. The all-electric injection molding machine is the main model of the electric injection molding machine. The various mechanisms in the injection molding device (injection, plasticization, metering, and seat shifting, etc.) Out, etc.) are all driven by electric motors.

[0111] The main function of the injection drive mechanism is to plasticize the plastic into ...

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PUM

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Abstract

The invention discloses a servo motor control system of an all-electric injection molding machine, comprising an injection molding machine computer controller, a servo motor controller and a PLC controller; the computer controller is connected with the servo motor controller through a CAN bus, the servo motor controller is connected with a servo motor, and the computer controller is connected with PLC controller; the servo motor controller can be a mould opening/closing servo motor controller, a plastic injection servo motor controller, a plasticizing pressure holding servo motor controller and an ejection servo motor controller; and the servo motor can be a mould opening/closing servo motor, a plastic injection servo motor, a plasticizing pressure holding servo motor and an ejection servo motor. The invention also discloses a control method for the control system; and technological procedures capable of being performed simultaneously are synchronously controlled through performing mould opening/closing control, plasticizing control, plastic injection control, pressure holding control, ejection control, mobile control of an injection platform and mould adjustment control on the motor of the electric injection molding machine, thereby saving one third of the production time.

Description

technical field [0001] The invention relates to the field of electric injection molding machines, in particular to a control system and a control method for a servo motor of an all-electric injection molding machine. Background technique [0002] Plastic injection molding machine is the main molding equipment for making thermoplastic or thermosetting plastic into various plastic parts. The working process of a general-purpose plastic injection molding machine (hereinafter referred to as injection molding machine) is as follows: granular or powdery plastic is sent from the hopper of the injection molding machine into a heated barrel with a certain temperature, and after being heated and melted, it becomes a flowing state. , is pushed by the screw through the nozzle at the front end of the barrel, and injected into a closed mold with a lower temperature. Under pressure, the plastic melt becomes a plastic product after cooling and solidifying. [0003] Although the existing hy...

Claims

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Application Information

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IPC IPC(8): B29C45/76
Inventor 钟汉如
Owner SOUTH CHINA UNIV OF TECH
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