Magnetically-excited magnetic-conductive high-viscosity glue trace-distribution device and method

Abstract

The invention relates to a magnetically-excited magnetic-conductive high-viscosity glue trace-distribution device and method. The device comprises a dispensing mechanism and a moving platform used for driving the dispensing mechanism to work, the dispensing mechanism comprises a dispensing head and an electromagnetic coil, the dispensing mechanism is provided with a control module, the control module is used for adjusting the magnetic excitation intensity of the dispensing mechanism, the control module is provided with an industrial personal computer, and the control module is connected with a micro-vision unit. The method comprises the following steps: setting a program through the industrial personal computer to adjust the magnetic excitation intensity, enabling the magnetic excitation intensity to correspond to the trace of magnetic-conductive high-viscosity glue loaded by the glue dispensing mechanism, completing quantitative loading of the magnetic-conductive high-viscosity glue, setting the program through the industrial personal computer, achieving trace correspondence of the magnetic-conductive high-viscosity glue transferred by the glue dispensing mechanism according to a detection value of a pressure sensor, and completing quantitative transfer of the magnetic-conductive high-viscosity glue. The magnetic-conductive high-viscosity glue is loaded and transferred in a magnetic excitation mode, and the trace-distribution operation of the magnetic-conductive high-viscosity glue is completed by combining the image information of the micro-vision unit and utilizing the industrial personal computer to carry out precise control.

Description

technical field [0001] The invention relates to the fields of precision assembly of tiny parts and micro-nano additive manufacturing, in particular to a micro-dispensing device and method for magnetically excited magnetically conductive high-viscosity glue. Background technique [0002] The micro-distribution of magnetically conductive high-viscosity liquid (>1 Pa s) is to distribute the magnetically conductive liquid adhesive at the level of picoliters to nanoliters to the surface of tiny magnetic parts for bonding and sealing operations. The entire distribution process is affected by the material of the parts and The structural impact is small, and no high temperature / high pressure operation is required, and it has a wide range of applications in micro-assembly, micro-nano additive manufacturing, etc. At present, the commonly used micro-dispensing method of viscous fluid is based on the injection method. In order to inject picoliter to nanoliter liquid, first, the inner...

AI Technical Summary

Problems solved by technology

[0006] In order to effectively solve the problems of low precision and inconvenient regulation when the existing ultra-micro-volume dispensing device is applied to the distribution of magnetically permeable high-viscosity liquid when bonding tiny magnetic parts, the present invention provides a magnetically excited magnetically permeable high-viscosity glue Liquid micro-dispensing device and method, equipped with a dispensing mechanism, the dispensing mechanism adopts magnetic excitation to absorb and transfer magnetically conductive high-viscosity glue, combined with micro-vision unit image information, utilizes industrial computer for precise control, and completes magnetic-conductive high-viscosity glue. Glue micro-dispensing operation

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