On-line monitoring device and system for 3D printing equipment

Abstract

The invention belongs to the technical field of 3D printing equipment, and specifically relates to an online monitoring device for 3D printing equipment, aiming to solve the problem that the abnormal state cannot be identified in the early stage of the abnormal working state of the 3D printing equipment, resulting in serious failure and causing irreparable damage to the equipment question. The present invention includes a signal acquisition module, a signal processing module, a feature extraction module, a monitoring module, and a knowledge base module; through a vibration sensor, vibration signals of preset components are collected during operation of the 3D printing device; the collected vibration signals of each preset component are obtained by The analog signal is converted into a digital signal and the spectrum characteristics are extracted; based on the spectrum characteristics of each preset component, the working status type of the preset component is obtained by comparing the analysis model. The invention performs state identification and shutdown protection of printing equipment in the early stage of abnormal working state, avoiding irreparable damage to equipment caused by serious faults; and distinguishing the fault type and fault occurrence location in time when a fault occurs.

Description

technical field [0001] The invention belongs to the technical field of 3D printing equipment, and in particular relates to an online monitoring device and system for 3D printing equipment. Background technique [0002] 3D printing technology is also called additive manufacturing or rapid prototyping technology. As one of the representative technologies of the third industrial revolution, it is based on digital three-dimensional models and completes the processing of parts by layer-by-layer accumulation. It is different from traditional There is an essential difference in cutting (subtractive manufacturing) technology. 3D printing has been applied to more and more industries with its unique additive processing method. At present, there are various types of 3D printing equipment on the market to serve various needs. However, the existing 3D printing equipment still has problems in terms of stability, and is prone to a series of failure forms including motor stalling, bearing ...

AI Technical Summary

Problems solved by technology

[0005] In order to solve the above-mentioned problems in the prior art, that is, in order to solve the problem that the user cannot recognize the abnormal state in the early stage of the abnormal working state of the 3D printing equipment, thereby causing serious faults and causing irreparable damage to the equipment, the present invention proposes a 3D printing equipment. An online monitoring device for printing equipment, the device includes a signal acquisition module, a signal processing module, a feature extraction module, a monitoring module, and a knowledge base module;

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