Five-axis silica gel 3D printer and printing method thereof

A 3D printer and silica gel technology, applied in the direction of 3D object support structures, manufacturing tools, coating devices, etc., can solve the problems of high difficulty in printing workpieces and long printing time, so as to reduce printing difficulty, reduce printing time, and solve printing problems. long time effect

Active Publication Date: 2021-04-09
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the technical problems that the existing 3D printers have long printing time and the diffi

Method used

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  • Five-axis silica gel 3D printer and printing method thereof
  • Five-axis silica gel 3D printer and printing method thereof
  • Five-axis silica gel 3D printer and printing method thereof

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Experimental program
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Effect test

Embodiment 1

[0051] see Figure 1-9, the present embodiment provides a five-axis silicone 3D printer, which is used to print materials in the workpiece coordinate system according to the required extrusion axis vector and position to obtain a three-dimensional product. In this embodiment, the printing material is a flexible material, which may be a moisture-curing / room-temperature-curing material. The printing material is specifically a single-component silicone material, which is cured and characterized by moisture curing / heat curing, which can realize rapid prototyping of products and realize five-axis 3D printing of silicone products. Wherein, the 3D printer includes a housing 1, a base 2, an extrusion device 9, a three-axis motion platform, a two-axis motion platform, an auxiliary device 8 and a control system 10. Among them, the three-axis motion platform and the two-axis motion platform together form a five-axis motion system (platform).

[0052] In this embodiment, the housing 1 i...

Embodiment 2

[0078]This embodiment provides a five-axis silicone 3D printer, which determines the printing material on the basis of Embodiment 1. In this embodiment, the material used is a silicone rubber material, which is a one-component silicone rubber, hereinafter referred to as silica gel. Silica gel is a colloidal, long-chain silicone polymer containing 6000-7000 silicon-oxygen units. There is partially cross-linked silica gel in this polymer. Silicone rubber has good temperature resistance (-65~ 177℃), corrosion resistance and good insulation. The characteristic of silica gel is that it is cured by condensation reaction, cross-linking and polymerization. This reaction requires the participation of water, and releases oxime compounds, alcohol or acetic acid according to different materials. Here, one-component deoximation cured silica gel is taken as an example. In a humid environment, silica gel has the characteristics of quick drying on the surface, skinning in 3 to 6 minutes, sur...

Embodiment 3

[0080] This embodiment provides a five-axis silicone 3D printer, which is similar to Embodiment 1, except that the detection system and the adjustment system are different. Wherein, the detection system includes a temperature detection device and a humidity detection device. In this embodiment, the humidity detection device includes a humidity sensor. The humidity sensor is installed in the housing 1 and is used to detect real-time humidity. A temperature sensor is installed in the housing 1 and used to detect real-time temperature. In order to facilitate the detection of temperature and humidity, the two can also be directly assembled together, and a suitable temperature and humidity sensor is selected to detect the temperature and humidity.

[0081] The temperature regulating device includes a semiconductor cooling sheet (hereinafter referred to as a cooling sheet) and a resistance heating network (hereinafter referred to as a heating network). The cold chip is installed ...

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Abstract

The invention discloses a five-axis silica gel 3D printer and a printing method thereof. The 3D printer comprises a base, an extrusion device, a three-axis motion platform, a control system and a two-axis motion platform. The two-axis motion platform comprises a first rotating assembly and a second rotating assembly, the first rotating assembly comprises a base, two rotating shaft supporting seats, a swing frame and a first motor, and the second rotating assembly comprises a workbench, a second motor and a rotating shaft supporting plate. The control system controls the first motor to rotate so as to adjust the first rotating angle of the swing frame and controls the second motor to rotate so as to adjust the second rotating angle of the workbench, so that two motion adjusting rotating shafts move according to a preset angle change path. Through cooperative movement of five axes, the extrusion device extrudes shaft vectors at will relative to a workpiece coordinate system and moves to any position in the workpiece coordinate system, the workpiece printing difficulty is greatly reduced, the printing time is shortened, and even complex-shape workpiece manufacturing which cannot be achieved through a three-axis 3D machine can be achieved.

Description

technical field [0001] The invention relates to a 3D printer in the technical field of 3D printing, in particular to a five-axis silicone 3D printer, and also to a printing method of the printer. Background technique [0002] At present, my country's 3D printing technology is in the application stage. The materials currently used mainly include titanium alloys, ceramics, engineering plastics, photosensitive resins, clay, cement and other materials. The application fields are mainly military, medical, education, architecture, art . For now, as a branch of 3D printing, the development of 3D printing of flexible materials is still in its infancy in our country. Among them, the application of 3D printing of widely used and environmentally friendly silicone materials is less, and there is not a single silicone in the domestic market. 3D printer. At present, silicone 3D printing can be divided into material injection and material extrusion according to the principle, and can be d...

Claims

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Application Information

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IPC IPC(8): B29C64/118B29C64/20B29C64/245B29C64/205B29C64/321B29C64/314B29C64/393B29C64/343B29C64/232B29C64/236B29C64/241B29C64/295B33Y10/00B33Y30/00B33Y40/00B33Y40/10B33Y50/02
CPCB29C64/118B29C64/20B29C64/245B29C64/205B29C64/321B29C64/314B29C64/393B29C64/343B29C64/232B29C64/236B29C64/241B29C64/295B33Y10/00B33Y30/00B33Y40/00B33Y40/10B33Y50/02
Inventor 田晓青马丁逸飞韩江夏链
Owner HEFEI UNIV OF TECH
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