Dual-motor parallel injection control method of electric injection molding machine

A control method and technology for an injection molding machine, applied in the field of dual-motor parallel injection control, can solve the problems of difficulty in meeting the injection process, large system inertia, and high output torque, and achieve the effects of meeting the requirements of injection conditions, improving response performance, and reducing inertia.

Active Publication Date: 2014-03-12
NINGBO ZHAFIR PLASTICS MACHINERY
View PDF3 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the large-scale development of electric injection molding machines reaches a certain level, the high-power servo motors and servo drivers are restricted by the manufacturing process, especially the structure of high-power servo motors is large and the system inertia is also very large, which is difficult to achieve in terms of performance. Meet the normal injection process (fast response, high output torque) requirements

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Dual-motor parallel injection control method of electric injection molding machine
  • Dual-motor parallel injection control method of electric injection molding machine
  • Dual-motor parallel injection control method of electric injection molding machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0022] A dual-motor parallel injection control method for an electric injection molding machine, comprising a controller 1, a master driver 2, a slave driver 3, a master servo motor 4, a slave servo motor 5, a master encoder installed in the master servo motor 4, and a master encoder installed in the From the slave encoder in the servo motor 5, the controller 1 is connected to the main driver 2 through the first communication bus 6, the controller 1 is connected to the slave driver 3 through the second communication bus 7, and the main driver 3 is connected to the main servo motor 4. Slave driver 3 is connected with servomotor 5, and the master encoder that is installed in the master servomotor 4 is connected with the main shaft of main servomotor 4, and the slave encoder that is installed in the servomotor 5 is connected with the main shaft fr...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a dual-motor parallel injection control method of an electric injection molding machine. The dual-motor parallel injection control method comprises the steps that the controller establishes a motion model through reading a set process parameter, and sends speed and torque parameter instructions to a master driver and a slave driver respectively; the two drivers respectively output frequency and current according to the instructions of the controller to drive servo motors to execute actions. The controller balances output torque of the two servo motors by controlling the two drivers to ensure that the torque of the two servo motors is overlapped. Meanwhile, the controller ensures that a system achieves speed synchronization through speed control on the master driver and driving of a synchronization belt between the two servo motors. The dual-motor parallel injection control method has the advantages of reducing the cost and lowering the inertia of the servo motors.

Description

technical field [0001] The invention relates to an injection control method for an electric injection molding machine, in particular to a dual-motor parallel injection control method for an electric injection molding machine. Background technique [0002] The injection part of the existing electric injection molding machine uses a single servo drive and a single servo motor to control the injection and ejection of the screw. Due to the working conditions of injection parts, there are the following characteristics: [0003] 1. Injection, the screw performs the injection action, and squeezes the molten plastic particles into the mold cavity until the mold cavity is filled with the melt. [0004] 2. Holding pressure, the screw continues to move forward after the cavity is full, and the compression of the raw material generates a holding pressure. At this time, the screw speed is basically close to zero. [0005] In the above two motion conditions, the injection servo motor r...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/77
CPCB29C45/77B29C2945/76511B29C2945/76605B29C2945/76692B29C2945/76859B29C2945/76936B29C2945/76939
Inventor 傅南红朱宁迪朱淦
Owner NINGBO ZHAFIR PLASTICS MACHINERY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap