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Mechanical pressure machine electronic control method and electronic cam control device

A mechanical press and electronic control technology, applied in the field of mechanical press, electronic control method of mechanical press and electronic cam controller, can solve the problem of lack of human-machine interface, inability to monitor the performance of pneumatic clutch friction plates, and inability to meet the high efficiency of stamping production , safety and other issues, to achieve the effect of reducing manual adjustment work, reducing the number of components, and improving the level of automation and safety

Active Publication Date: 2007-03-07
NANJING ESTUN AUTOMATION CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

The disadvantage of this method is that it cannot be guaranteed to stop at the top dead center when the speed of the slider changes and the friction plate is worn out. Every time the cam angle is adjusted, it needs to be manually adjusted. It is impossible to monitor the performance of the friction plate of the pneumatic clutch and lacks a friendly man-machine interface. , cannot meet the high efficiency and safety requirements of stamping production

Method used

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  • Mechanical pressure machine electronic control method and electronic cam control device
  • Mechanical pressure machine electronic control method and electronic cam control device
  • Mechanical pressure machine electronic control method and electronic cam control device

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Embodiment Construction

[0026] As shown in Figure 1, the electronic cam controller is composed of a button display circuit, a DSP main control chip, an I / O interface circuit, an encoder input interface circuit, an encoder output interface circuit, and a power supply circuit. The button display circuit is used to display crankshaft angle and speed, production count, braking distance, alarm prompt and other information as well as user input parameters. The encoder signal is sent to the DSP main control chip through the encoder input circuit, which is convenient for the program processing of the DSP chip, and outputs the cam signal, clutch brake signal, etc. The I / O signal of the machine tool is sent to the DSP main control chip through the I / O interface circuit, and it is also the channel for the output of the cam signal. The power supply circuit supplies the required voltage to the controller. Among them, the DSP main control chip stores the control program to realize the control of the press.

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Abstract

The invention relates to an electric control method of mechanical compressor and relative electric cam controller. Wherein, it uses rotation coder as the sensor of crank angle / block strike; uses embedded system as core controller, to control the clutch / brake of compressor to generate cam signal output, number the work piece, and detect the friction state of clutch friction plate. The invention replaces former mechanical cam, mechanical / electric accouter, and middle relay. And it uses coder and embedded system to avoid the time of mechanical cam adjustment, to improve the automatic level and safety level. The controller comprises button display circuit, DSP control chip, I / O interface circuit, coder input interface circuit, coder output interface circuit, and power circuit.

Description

technical field [0001] The invention relates to a mechanical press, in particular to an electronic control method for a mechanical press and an electronic cam controller. It belongs to the field of mechanical processing and computer automatic control. Background technique [0002] At present, there is a lack of an automatic controller specifically for mechanical presses, and the mechanization and automation of mechanical press control production are not high. A common way is to use a mechanical cam as the crank angle detection device, and realize logic control through PLC. The disadvantage of this method is that it cannot be guaranteed to stop at the top dead center when the speed of the slider changes and the friction plate is worn out. Every time the cam angle is adjusted, it needs to be manually adjusted. It is impossible to monitor the performance of the friction plate of the pneumatic clutch and lacks a friendly man-machine interface. , c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B30B15/14
Inventor 徐正华移振华
Owner NANJING ESTUN AUTOMATION CO LTD
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