Direct-writing nozzle based on plasma surface modification, direct-writing system device comprising direct-writing nozzle and direct-writing method

A plasma and surface modification technology, applied in the field of 3D printing, can solve the problems of large time and effort, time-consuming and labor-intensive, and time-consuming, and achieve the effect of reducing participation, waste, and time cost.

Pending Publication Date: 2021-06-25
SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

By covering the surface of the material to be treated with a thin film with a pattern, during the plasma treatment, the covered surface is not treated by plasma, and the uncovered surface is treated. When it is necessary to change the pattern of the treated surface, it is necessary Re-making the mask, the process of

Method used

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  • Direct-writing nozzle based on plasma surface modification, direct-writing system device comprising direct-writing nozzle and direct-writing method
  • Direct-writing nozzle based on plasma surface modification, direct-writing system device comprising direct-writing nozzle and direct-writing method
  • Direct-writing nozzle based on plasma surface modification, direct-writing system device comprising direct-writing nozzle and direct-writing method

Examples

Experimental program
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Example Embodiment

[0052] Example 1

[0053] This embodiment provides a direct write method using a direct write system device provided by a specific embodiment, and a hydrogel is used as the ink, and the direct write method specifically includes the steps of:

[0054] (1) The substrate is placed on the workstock, and the plasma nozzle 9 performs hydrophilization of the substrate along a predetermined pattern trajectory, the moving speed of the plasma nozzle 9 in the hydrophilization process is 400 mm / min, plasma The vertical distance between the discharge port of the body spray head 9 and the substrate is 10 mm, the plasma power is 200 W, the plasma pressure is 0.1 MPa;

[0055] (2) After the hydrophilization treatment is completed, the ink injection is injected into the surface of the substrate, and the hydrogel forms a 10 mm wide line on the surface of the substrate, and the preset pattern is formed by the line.

Example Embodiment

[0056] Example 2

[0057] This embodiment provides a direct write method, a direct write system device provided by a specific embodiment, a 3D direct writing of an ionic liquid gel as an ink, and the direct writing method includes the following steps:

[0058] (1) The substrate is placed on the working table, and the plasma nozzle 9 performs hydrophilicization of the substrate along a predetermined pattern trajectory, the moving speed of the plasma nozzle 9 in the hydrophilized treatment is 450 mm / min, plasma The vertical distance between the discharge port of the body spray head 9 and the substrate is 12 mm, the plasma power is 180W, the plasma pressure is 0.08 MPa;

[0059] (2) After the hydrophilization treatment is completed, the ink injection is injected into the surface of the substrate, and the ionic liquid gel forms an 8 mm wide line on the surface of the substrate, and the preset pattern is formed by the line.

Example Embodiment

[0060] Example 3

[0061] This embodiment provides a direct write method using a direct write system device provided by a specific embodiment, and a hydrogel is used as the ink, and the direct write method specifically includes the steps of:

[0062] (1) The substrate is placed on the workstock, and the plasma nozzle 9 performs hydrophilicization of the substrate along a predetermined pattern trajectory, the moving speed of the plasma nozzle 9 in the hydrophilization process is 550 mm / min, plasma The vertical distance between the discharge port of the body spray head 9 and the substrate is 14 mm, the plasma power is 170W, the plasma pressure is 0.06 MPa;

[0063] (2) After the hydrophilization treatment is completed, the ink syringe is injectable hydrogel to the surface of the substrate, and the hydrogel forms a 6 mm wide line on the surface of the substrate, and the preset pattern is formed by the line.

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Abstract

The invention provides a direct-writing nozzle based on plasma surface modification, a direct-writing system device comprising the direct-writing nozzle and a direct-writing method. The direct-writing nozzle comprises a mounting plate and a driving assembly arranged on the mounting plate, and a plasma nozzle and an ink injector are vertically arranged on the driving assembly side by side; and the driving assembly is used for driving the plasma nozzle to move in the vertical direction and/or squeezing out ink in the ink injector. According to the direct-writing nozzle provided by the invention, the waste of masks can be reduced, the manual participation degree is reduced, the time cost is reduced, and thinner lines can be adopted to draw patterns, so that the manufacturing efficiency and the pattern precision are improved, and programmed, automatic and integrated pattern drawing is realized.

Description

technical field [0001] The invention belongs to the technical field of 3D printing, and relates to a plasma surface modification-based direct-writing nozzle, a direct-writing system device including the same, and a direct-writing method. Background technique [0002] Ink direct writing printing technology belongs to additive manufacturing technology, which is a non-contact printing and forming technology. The ink material stored in the barrel is connected to the nozzle, and the ink is extruded from the nozzle and formed on the substrate through a control system such as piston extrusion and screw extrusion. [0003] CN210974941U discloses a kind of melting direct-writing spray head, comprises material storage cylinder, and described material storage cylinder is provided with heating device and heat insulation board successively, and described material storage cylinder comprises cylinder body, and is respectively arranged at cylinder body two ends A fixed seat and a discharge...

Claims

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Application Information

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IPC IPC(8): B29C64/209B29C64/112B33Y30/00B33Y10/00
CPCB29C64/209B29C64/112B33Y30/00B33Y10/00
Inventor 杨灿辉李啸天张平王慧如
Owner SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
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