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Signal acquisition system for injection molding machine and signal acquisition method

A signal acquisition system and injection molding machine technology, applied in signal transmission systems, instruments, etc., can solve the problems of high rejection rate and low production efficiency of injection molding machines, and achieve the effects of accurate signal acquisition, convenient use and good application prospects.

Inactive Publication Date: 2017-12-15
HUNAN UNIV AISHENG AUTO TECH DEV
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  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a signal acquisition system and signal acquisition method for injection molding machines in view of the problems of low production efficiency and high scrap rate of injection molding machines and the new trend of automation development in the injection molding industry

Method used

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  • Signal acquisition system for injection molding machine and signal acquisition method
  • Signal acquisition system for injection molding machine and signal acquisition method

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Embodiment Construction

[0023] The following will be combined with Figure 1-2 The technical solution of the present invention is described in detail.

[0024] Such as figure 1 As shown, this embodiment provides an injection molding machine signal acquisition system, which includes: a power supply 10, a differential amplifier circuit 20, an AD conversion circuit 30, a WIFI signal transmitting board 40, an optocoupler isolation circuit 50, and a linear optocoupler isolation circuit 60 ;

[0025] The power supply 10 is used to provide 5V power for the whole system;

[0026] The input end of the differential amplifier circuit 20 is connected to the output end of the linear optocoupler isolation circuit for calculating the voltage;

[0027] The input end of the AD conversion circuit 30 is connected to the output end of the differential amplifier circuit for collecting signal source voltage and performing analog-to-digital conversion;

[0028] The input end of the WIFI signal transmitting board 40 is ...

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Abstract

The invention provides a signal acquisition system for an injection molding machine. According to the signal acquisition system, the input end of a differential amplifier circuit (20) is connected to the output end of a linear opticalcoupler isolating circuit. The input end of an AD converter circuit (30) is connected to the output end of the differential amplifier circuit. The input end of a WIFI signal transmitting board (40) is connected with the output end of the AD converter circuit (30). The input end of the opticalcoupler isolating circuit (50) is connected to a digital signal output end of a controller of the injection molding machine. The output end of the opticalcoupler isolating circuit (50) is connected to a corresponding IO port of the WIFI transmitting board. The input end of the linear opticalcoupler isolating circuit (60) is connected to an analog signal output end of the controller of the injection molding machine and used for isolating the acquisition system from the injection molding machine. According to the signal acquisition system for the injection molding machine, high-low levels of corresponding IO ports are adopted for different processes during production of the injection molding machine, acquisition of signals of the injection molding machine is achieved, wireless acquisition of the signals is achieved by applying the WIFI transmitting board, and the automatic acquisition and automatic storage functions are achieved.

Description

technical field [0001] The invention relates to the technical field of production auxiliary equipment, in particular to an injection molding machine signal acquisition system and a signal acquisition method. Background technique [0002] Injection molding is one of the most important molding methods for plastic product processing. At present, my country has developed from the first stage of large-scale introduction of foreign advanced equipment and technology to the second stage of independent innovation. The first stage is to solve the problem of availability; and entering the second stage, how to improve the quality of injection molding products and keep up with the pace of development of injection molding processing technology in the world has become the focus. [0003] In the injection molding industry, the use of information technology has been gradually promoted. At present, some enterprises at home and abroad have begun to adopt the model of intelligent manufacturing,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/76G08C17/02
CPCB29C45/76B29C2945/76993G08C17/02
Inventor 高晖
Owner HUNAN UNIV AISHENG AUTO TECH DEV
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