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A 3d printing device

A 3D printing and equipment technology, applied in the field of 3D printing, can solve the problems of printing material strength, performance degradation, failure to meet the required coloring degree, high pigment content ratio, etc., to achieve the effect of saving pigment consumption, uniform mixture, and fast coloring

Inactive Publication Date: 2017-07-18
宁夏迅联科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, when coloring printing raw materials, it is time-consuming to mix the raw materials (molten state) and pigments (coloring materials) in advance, and it needs to be used immediately after mixing and coloring, otherwise it is easy to cause layering of pigments and raw materials. Inhomogeneity and other problems, the unused coloring raw materials will also be wasted, and will lead to a high proportion of pigment content in the raw materials (less pigments can not meet the required coloring level), resulting in a decline in the strength and performance of the final printing material

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Embodiment 1: as Figure 1 to Figure 6 In the illustrated embodiment, a 3D printing device includes a main frame 1, a discharge print head 2, a forming printing table 3, and a print head for driving the discharge print head to move so as to change the position of the discharge print head Displacement adjustment mechanism, the discharge print head is provided with a print head feed end for inputting printing materials, the discharge print head is provided with a discharge channel 21 communicating with the print head feed end, and also includes a paint bucket 1. The delivery pump, the inlet of the delivery pump is connected to the paint bucket, and the outlet of the delivery pump is connected to the discharge channel. The discharge printing head is used to output printing materials (such as molten plastic) to the forming printing table, and the printing head displacement adjustment mechanism is used to adjust the relative position between the discharging printing head and...

Embodiment 2

[0033] Embodiment 2: the basic structure and implementation mode of this embodiment are the same as embodiment 1, and its difference is:

[0034] like Figure 7As shown in , the discharge channel is provided with a thermal insulation tube 23 coaxial with the discharge channel. The upper and lower ends of the thermal insulation tube are open. Thin material coloring channel 24 is formed between the wall and the channel wall of the discharge channel (that is, the inner wall of the discharge print head). The outlet of the coloring tube faces the outer wall of the heat-insulating tube, and a coloring check valve 521 is arranged at the outlet of the coloring tube. The passing direction of the coloring one-way valve is from the coloring pipe to the discharge channel, the highest point of the coloring port is lower than the highest point of the heat insulation cylinder, and the lowest point of the coloring port is higher than the lowest point of the heat insulation cylinder. The vert...

Embodiment 3

[0035] Embodiment 3: the basic structure and implementation mode of this embodiment are the same as embodiment 1, and its difference is:

[0036] like Figure 8 As shown in , the discharge printing head is provided with a metal heating block 25 that can be heated by electricity, and a part of the metal heating block extends into the discharge channel. This solution is suitable for solid raw materials, which are heated and melted after entering the discharge channel, and then printed and solidified. This solution is also applicable to the form of secondary heating, that is, in order to avoid the temperature drop too fast after the molten raw material enters the discharge channel, the metal heating block is used for secondary heating.

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Abstract

The invention discloses 3D printing equipment. The 3D printing equipment comprises a main frame, a discharge printing head and a molding printing table, and further comprises a printing head displacement adjusting mechanism for driving the discharge printing head to move so as to change the position of the discharge printing head; a printing head feed end for inputting a printing raw material is arranged on the discharge printing head; and a discharge channel communicated with the printing head feed end is arranged in the discharge printing head. The 3D printing equipment further comprises a pigment barrel and a conveying pump; an inlet of the conveying pump is communicated with the pigment barrel; and an outlet of the conveying pump is communicated with a discharge channel. The 3D printing equipment has the beneficial effects of capability of quickly and effectively realizing coloring of the printing raw material, short used time, fast coloring, saving of used pigment, difficult waste, capability of guaranteeing the coloring effect and the final printing material quality under the precondition of saving the pigment and capability of preventing head blockage.

Description

technical field [0001] The invention belongs to the technical field of 3D printing, and in particular relates to a 3D printing device. Background technique [0002] 3D printer, also known as three-dimensional printer (3DP), is a machine that uses cumulative manufacturing technology, that is, rapid prototyping technology. 3D printing technology is a digital model file-based technology that uses bondable materials such as molten plastic to manufacture three-dimensional objects by printing layers of adhesive materials, that is, the technology of constructing objects by layer-by-layer printing. At this stage, 3D printers are mostly used to manufacture products. [0003] The 3D printer mainly includes a printing structure (print head), a forming printing table (on which the product is formed), and a printing head displacement adjustment mechanism (which can change the position of the printing head in space, so that the printed raw materials can fall on the forming printing table...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C64/20B29C64/227B29C64/321B29C64/295B33Y30/00
CPCB29K2995/002
Inventor 马宗明韩鹏飞
Owner 宁夏迅联科技有限公司
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