Numerical control positioning system of 3D printing machine

A positioning system and printer technology, applied in the field of 3D printer numerical control positioning system, can solve problems such as increasing the weight of the whole machine, and achieve the effects of simplifying the structure, high positioning accuracy, and improving reliability

Inactive Publication Date: 2015-02-18
广州墨斗科技有限公司
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Problems solved by technology

This greatly increases the weight of the machine

Method used

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  • Numerical control positioning system of 3D printing machine

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Embodiment Construction

[0009] In the three-axis (X-axis, Y-axis, Z-axis) numerical control positioning system of hot-melt deposition 3D printers in the prior art, almost all linear slide guides are used. Technically, the length of the linear guide rail is greater than the working stroke, and the guide rails must be perpendicular to each other. Therefore, the main structure of this type of 3D printer is mostly box-type, which is bulky and heavy. During the 3D printing process, the stepping motors driving the X-axis and the Y-axis are constantly cooperating under the control of the computer to form each curve or straight line in the model fault, that is, a slice. Therefore, their workload is high and wear and tear are also serious. The Z axis only moves when the layer height increases, and its maximum stroke is the height of the model. It prints a model and travels once, so the wear of the Z-axis is very small, and its impact on the accuracy and service life of the 3D printer is relatively much smal...

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Abstract

The invention discloses a numerical control positioning system of a 3D printing machine, and belongs to the technical field of numerical control positioning systems of the 3D printing machine. Structures of X-axis and Y-axis numerical control positioning systems of the 3D printing machine are simplified. According to the technical scheme, a workbench 4 is movably mounted at one end of a rocking arm 13; a half worm wheel 2 is fixedly mounted; a worm wheel 3 is fixedly mounted on the workbench 4; the worm wheel 3 and the workbench 4 can freely rotate; the other end of the rocking arm 13 is hinged to a bracket 1 or movably mounted on a Z-axis guide rail 10; a workbench driving motor 12 is arranged on the rocking arm 13; a worm I 11 is arranged on a rotating shaft of the workbench driving motor 12 and is meshed with the worm wheel 3; under the control of a computer, the workbench driving motor 12 can drive the workbench 4 to rotate through the worm I 11 and the worm wheel 3 and the like. The numerical control positioning system of the 3D printing machine has the advantages that rotation with low abrasion and high positioning precision replaces linear sliding of the guide rail, and harmful effects caused by sliding abrasion to the guide rail are eliminated.

Description

technical field [0001] The invention belongs to a technical field of a 3D printer numerical control positioning system. Background technique [0002] The general hot-melt deposition 3D printers on the market are developing rapidly due to their relatively simple structure and cheap consumables. Hot-melt deposition 3D printers mainly use hot-melt deposition and other forming technologies to turn the virtual three-dimensional image on the computer into a realistic three-dimensional model. This type of 3D printer is mainly composed of X-axis, Y-axis and Z-axis, three-axis CNC positioning system, control circuit and nozzle. The three-axis CNC positioning system continuously changes the horizontal position and relative height between the nozzle and the model or worktable according to the digital slice printing data and instructions generated by the slicing software, and cooperates with the movement of the nozzle to realize the accumulation and forming of hot-melt materials. In t...

Claims

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Application Information

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IPC IPC(8): B29C67/00
Inventor 胡志钦胡达广
Owner 广州墨斗科技有限公司
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