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3D printing equipment

A 3D printing and equipment technology, applied in the field of 3D printing, can solve the problems affecting the quality of printed products, the inability to accurately control the temperature of the filament, and the difficulty in meeting the requirements of printing accuracy. Effect

Inactive Publication Date: 2016-02-03
厦门强本科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The advantage of FDM technology is that it is easy to manufacture and low in operation and maintenance costs. However, the consumables used are filament materials, and the temperature of the extruded filament directly affects the quality of the printed product, and the temperature of the filament cannot be precisely controlled, making it difficult to achieve printing accuracy. Require

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] see figure 1 , the present invention discloses a 3D printing device, comprising a stocker 1, a peristaltic pump 2, an extrusion head 3, an ultraviolet light curing device 4, a printing tray, an X-axis motion mechanism, a Y-axis motion mechanism, a Z-axis motion mechanism and controller, where:

[0028] The stocker 1 is filled with liquid photosensitive liquid material. In this embodiment, the photosensitive liquid material is a photosensitive hydrogel material, and of course other types of photosensitive liquid materials can also be used, which are not specifically limited in the present invention. The components of photosensitive hydrogel materials mainly include hydrogel, UV curing agent and functional materials. The hydrogel is used as the matrix material, and the UV curing agent is used to enhance or control the curing reaction under UV-induced conditions. Functional materials It is the material added according to the specific printing sample requirements, such as...

Embodiment 3

[0039] The working process of the 3D printing device in this embodiment is as follows:

[0040] 1. The controller controls the movement of the X-axis movement mechanism, the Y-axis movement mechanism and the Z-axis movement mechanism to determine the position of the extrusion head 3 and the printing tray, that is, determine the printing coordinate position.

[0041] 2. The controller controls the operation of the peristaltic pump 2, and the peristaltic pump 2 transports the liquid photosensitive liquid material to the extrusion head 3, and the photosensitive liquid material is extruded from the nozzle 32.

[0042] 3. After the photosensitive liquid material is extruded from the nozzle 32 and separated from the nozzle 32, it falls to the printing tray. At this time, the light spot A generated by the ultraviolet light curing device 4 acts on the photosensitive liquid material, and the photosensitive liquid material is quickly cured.

[0043] 4. Repeat the above steps 1-3 to work...

Embodiment 2

[0045] The difference between this embodiment and the first embodiment lies in that the structure of the ultraviolet curing device 4 is different.

[0046] Cooperate Figure 4 and Figure 5 As shown, in the present embodiment, the ultraviolet curing device 4 includes a housing 41', a group of ultraviolet light sources 42' and a reflector 43', wherein:

[0047] refer to Figure 5 As shown, the casing 41' is sheathed outside the main casing 31.

[0048] The ultraviolet light source 42' and the reflector 43' are disposed between the casing 41' and the main housing 31, and the reflector 43' is located below the ultraviolet light source 42'. The ultraviolet light source 42' adopts ultraviolet LED point light source, and its wavelength is 350~400nm. The number of ultraviolet light sources 42' can be selected according to operation requirements such as printing speed and curing efficiency, and is not specifically limited in the present invention.

[0049] The output beam of the ...

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Abstract

The invention discloses 3D printing equipment. The 3D printing equipment comprises a storage device, a peristaltic pump, an extrusion head, an ultraviolet light curing device, a printing tray, an X-axis motion mechanism, a Y-axis motion mechanism, a Z-axis motion mechanism and a controller. A liquid photosensitive material is contained in the storage device. One end of the peristaltic pump is connected with the storage device through a pipeline, the other end of the peristaltic pump is connected with the extrusion head through a pipeline, the ultraviolet light curing device is connected with the extrusion head, the printing tray is located below the extrusion head, and the controller controls the peristaltic pump, the ultraviolet light curing device, the X-axis motion mechanism, the Y-axis motion mechanism and the Z-axis motion mechanism. Through the cooperation of the peristaltic pump and the extrusion head, liquid printing materials are conveyed and printed, and printing accuracy is high. The ultraviolet light curing device and the extrusion head are fixed together and kept synchronous in the operating process, and rapid curing is achieved while printing is conducted.

Description

technical field [0001] The invention relates to the technical field of 3D printing, in particular to a 3D printing device. Background technique [0002] 3D printing technology is a rapid prototyping technology, which is based on digital model files, using metal, plastic, inorganic materials, etc., to construct objects by layer-by-layer printing. [0003] Fused deposition rapid prototyping (FDM) is currently the mainstream 3D printing technology. It heats and melts filamentous hot-melt materials and extrudes them through a nozzle with a fine nozzle. After melting, the hot-melt material is ejected from the nozzle and deposited on the printing table panel or the previous layer of solidified material. After the temperature is lower than the solidification temperature, it starts to solidify, and the final product is formed through the accumulation of layers of materials. [0004] The advantage of FDM technology is that it is easy to manufacture and low in operation and maintenan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C67/00B22F3/115B33Y30/00
Inventor 王博亮
Owner 厦门强本科技有限公司
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