Leveling platform of fusion deposition type 3D printer

A 3D printer, fused deposition technology, applied in the processing platform/substrate, 3D object support structure, additive manufacturing, etc., can solve the problems of long adjustment time, uneven plane, difficult adjustment, etc., and minimize the leveling error , improve leveling efficiency, and simplify the platform structure

Active Publication Date: 2020-07-14
HARBIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after the 3D printer is installed or moved for the first time, the plane of the printing platform and the nozzle of the printing head will be out of level, and it needs to be re-leveled. Otherwise, the relative movement of the printing head and the platform will cause both changes, resulting in different position densities between printings. Uneven, affecting the quality of the print
At present, the common way to adjust the printing platform is to manually rotate the four-corner screws of the printing platform, and adjust the height of the screws on each corner to make the printing platform in a horizontal state. Therefore, the existing leveling device requires the adjustment experience of the adjustment personnel. Very high, it is difficult for non-professionals to adjust the printing platform to the ideal state, and the adjustment time is long and the adjustment is difficult

Method used

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  • Leveling platform of fusion deposition type 3D printer
  • Leveling platform of fusion deposition type 3D printer
  • Leveling platform of fusion deposition type 3D printer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Such as figure 1 As shown, the present invention is a leveling platform of a fused deposition type 3D printer, comprising: a liquid accumulation tank 1 and a printing platform 2, the liquid accumulation tank 1 is a box with an open top, and the printing platform 2 is located in the liquid accumulation tank 1 , there is a filler 11 in the effusion tank 1. During the leveling process, the filler is in a liquid state. At this time, the printing platform floats on the filler under the action of buoyancy. According to the buoyancy formula Ffloat=ρliquid It can be seen from the gV row that those skilled in the art can select the material and structure of the printing platform and the density of the filling according to the needs, so as to ensure that the filling can use the buoyancy to float the printing platform. In this embodiment, the filler 11 is introduced as an example of liquid water, and the printing platform 2 can be selected as Figure 5 As shown in the box body wi...

Embodiment 2

[0023] The difference between embodiment 2 and embodiment 1 is that the filler 11 in embodiment 2 is a material that can be converted from a liquid state to a solid state. The filler 11 is a mixture of epoxy resin and epoxy resin curing agent as an example. When the epoxy resin and epoxy resin curing agent are mixed and put into the effusion tank 1, they are in a liquid state. After they are put into the printing platform 2, natural gravity is used to achieve natural leveling. After standing still for a period of time, the epoxy resin and epoxy resin The resin curing agent mixture is solidified, and at this time the printing platform 2 is fixed together with the epoxy resin and the epoxy resin curing agent mixture. Embodiment 2 Compared with Embodiment 1, the filling 11 in a solidified state after leveling is more convenient to use than the filling 11 in a liquid state all the time.

Embodiment 3

[0025] The difference between embodiment 3 and embodiment 1 and embodiment 2 is that the leveling platform of the fused deposition 3D printer also includes a heating device 12 for heating the filling in the liquid accumulation tank 1, and the filling 11 is The material that can be converted between liquid and solid is introduced by taking EVA resin (commonly known as hot melt adhesive) as the filler 11 as an example. The EVA resin in the effusion tank 1 is heated by the heating device 12, and the heated EVA resin is converted from solid state into a liquid state, then put it into the printing platform 2, and use natural gravity to achieve natural leveling. After leveling, turn off the heating device 12, and the EVA resin will solidify into a solid after standing for a period of time at room temperature; For leveling, it is only necessary to heat the filling material 11 in the liquid accumulation tank 1 through the heating device 12, and so on, so as to achieve multiple leveling...

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PUM

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Abstract

The invention relates to a leveling platform of a fusion deposition type 3D printer. The leveling platform of the fusion deposition type 3D printer comprises a liquid accumulation tank and a printingplatform. The liquid accumulation tank is a box body with an open top, the printing platform is located in the liquid accumulation tank, a filler is injected into the liquid accumulation tank, the filler is in a liquid state in the leveling process, and at the moment the printing platform floats on the filler under the action of buoyancy. Natural gravity is utilized, the printing platform is naturally leveled through the filler in the liquid state, the leveling error can be minimized without professional skills, and the leveling platform has the characteristics of simplifying the leveling process and improving the leveling efficiency.

Description

technical field [0001] The invention belongs to the technical field of 3D printers, and in particular relates to a fusion deposition type 3D printer leveling platform. Background technique [0002] 3D printing (3DP) is a kind of rapid prototyping technology. It is a technology based on digital model files and using bondable materials such as powdered metal or plastic to construct objects by layer-by-layer printing. Existing 3D printers are mainly divided into fused deposition 3D printers and light-curing 3D printers. Fused deposition 3D printers mainly include control components, mechanical components, print heads, and consumables. Mechanical components include printing platforms, XYZ three moving axes, and frames. The printing platform is set under the frame, screws are set at the four corners of the printing platform, and the printing head is located on the three moving axes of XYZ and hangs above the printing platform. However, after the 3D printer is installed or moved ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/245B29C64/20B29C64/118B33Y30/00
CPCB29C64/245B29C64/20B29C64/118B33Y30/00
Inventor 郭杨
Owner HARBIN UNIV
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