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A three-dimensional printer

A 3D printer and print head technology, applied in the field of 3D printing, can solve problems such as limited "support" carrying capacity, multi-material and printing time, and product collapse, so as to reduce the risk of collapse, improve printing efficiency, and eliminate delamination. Effect

Active Publication Date: 2017-05-31
沃博思(厦门)电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, every time a "support" is printed, more materials and printing time will be consumed, and the carrying capacity of the "support" is also limited (to ensure that the "support" is easy to separate and remove), if the support is high and large, it is easy to cause Partial collapse or even damage of the product
However, the current 3D printing equipment is still lacking in terms of saving "support" volume and quantity, improving printing efficiency and printing process stability, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1: as Figure 1 to Figure 10 In the illustrated embodiment, a three-dimensional printer includes a main frame 1, a discharge print head 2, a forming printing platen 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 said discharge print head is provided with a print head feed end for inputting printing materials, said discharge print head is provided with a discharge channel 21 communicating with the print head feed end, said forming printing The platen includes a fixed platen 31, at least one movable platen 32 that can move up and down, a platen displacement adjustment mechanism corresponding to the movable platen and used to drive the movable platen to move up and down, and at least one side support platen 3a. At least one side support drive structure that can drive the side support platen into the range directly above the forming printing platen, a...

Embodiment 2

[0041] Embodiment 2: the basic structure and implementation mode of this embodiment are the same as embodiment 1, and its difference is:

[0042] Such as Figure 11 As 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...

Embodiment 3

[0043] Embodiment 3: The basic structure and implementation mode of this embodiment are the same as Embodiment 1 or 2 or 3, and its difference is:

[0044] Such as Figure 12 , Figure 13 As shown in , the feed end of the printing head is connected to the mixing discharge end of a mixing cylinder through a feed pump, and the mixing cylinder is provided with a cylinder feed port, and also includes a number of raw materials for feeding to the cylinder feed port The raw material cylinder is provided with a melting heater, and the mixing discharge end is provided with a discharge valve. The mixing cylinder is provided with a mixing shaft 61a driven by a mixing motor 61, and a plurality of stirring blades 61b are arranged on the mixing shaft. The mixing motor is arranged above the mixing cylinder, the output end of the mixing motor is connected to the input end of a mixing speed reducer 61c, and the output end of the mixing speed reducer extends into the mixing cylinder and is con...

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PUM

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Abstract

The invention discloses a three-dimensional printer. The three-dimensional printer comprises a main rack, a discharging printing head and a molding printing bed plate, and further comprises a printing head displacement adjusting mechanism for driving the discharging printing head to move, wherein the discharging printing head is provided with a printing head feeding end for feeding printing raw materials and is internally provided with a discharging channel communicated with the printing head feeding end; and the molding printing bed plate comprises a fixed bed plate, a movable bed plate and a bed plate displacement adjusting mechanism for driving the movable bed plate to move up and down, and further comprises at least one lateral supporting bed plate and at least one lateral supporting driving structure capable of driving the lateral supporting bed plate to enter a range just above the molding printing bed plate. The three-dimensional printer provided by the invention has the beneficial effects that the three-dimensional printer can be adjusted according to supporting requirements and one part of non-printing type bottom supporting and non-printing type lateral supporting can be flexibly provided and the requirements on printing supporting are reduced; the printing efficiency can be improved, the risk that the product is partially collapsed is reduced and supporting materials are saved; and the stability of the product in a printing process can be guaranteed.

Description

technical field [0001] The invention belongs to the technical field of 3D printing, and in particular relates to a three-dimensional printer. 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 platen (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 printi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C64/245B29C64/336B29C64/118B33Y30/00B33Y40/00
Inventor 徐辉陈智浩许启明王舒文唐乔
Owner 沃博思(厦门)电子科技有限公司