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A 3D printer based on planar parallel mechanism

A 3D printer and parallel technology, applied in the field of 3D printing, can solve the problems of great influence on printing accuracy and forming effect, complicated synchronous belt transmission structure, and slack transmission belt, etc., and achieve good printing effect, simple and compact structure, and high forming accuracy Effect

Inactive Publication Date: 2018-03-27
单家正
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The synchronous belt transmission structure is complicated, which is not conducive to maintenance; long-term use will easily cause the transmission belt to loosen, which will greatly affect the printing accuracy and molding effect

Method used

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  • A 3D printer based on planar parallel mechanism
  • A 3D printer based on planar parallel mechanism
  • A 3D printer based on planar parallel mechanism

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] refer to Figure 1 to Figure 4 , what this invention relates to is a kind of 3D printer based on planar parallel mechanism, and its preferred embodiment is:

[0015] A 3D printer based on a planar parallel mechanism, comprising a frame I, a planar parallel mechanism II, a lifting mechanism III and a feeding mechanism IV. The frame 1 includes an aluminum profile 10 and an installation and fixing joint 9; the aluminum profile 10 is fixed and locked by the installation and fixing joint 9 to form a three-dimensional square frame structure.

[0016] Planar parallel mechanism II includes servo motor 1, planetary reducer 2, mounting base 3, lower active arm 4, upper active arm 5, lower driven arm 6, upper driven arm 7, and print head 8; servo motor 1 and planetary reducer The machine 2 is connected to form a plane linkage servo drive system, which is symmetrically arranged on the mounting base 3; the plane parallel mechanism II includes upper and lower motion branch chains, a...

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Abstract

The invention discloses a 3D printer based on a plane parallel mechanism. The 3D printer comprises a frame (I), the plane parallel mechanism (II), a lifting mechanism (III) and a feeding mechanism (IV). The plane parallel mechanism (II) comprises two connecting rod mechanisms through which a printing nozzle can move in a plane. The lifting mechanism (III) drives ball screw pairs in a motor-synchronous belt wheel manner so that a printing table can conduct lifting movement in the vertical direction, and meanwhile the precision and rigidity of the printing table are ensured through linear guide pillars. The feeding mechanism (IV) completes wire feeding in an extrusion manner. Compared with a traditional 3D printer, the 3D printer based on the plane parallel mechanism has the beneficial effects of being simple and compact in structure, high in precision, good in printing effect, high in forming precision and the like.

Description

technical field [0001] The invention belongs to the technical field of 3D printing, and more specifically relates to a 3D printer based on a planar parallel mechanism. Background technique [0002] The 3D printer constructs a three-dimensional object by pouring liquid materials layer by layer, which is essentially a rapid prototyping cumulative manufacturing technology. At present, the main structural form of domestic 3D printers is the UM2 structural form. The printer of this structural form is a three-coordinate printer based on XYZ coordinates, and its plane movement is mainly realized by synchronous belt transmission. For example, patent CN104441660A discloses a 3D printing device in the form of UM2, and its transmission components are mostly in the form of synchronous belts. The synchronous belt drive structure is complicated, which is not conducive to maintenance; long-term use will easily cause the drive belt to loosen, which will greatly affect the printing accuracy...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C64/20B29C64/245B29C64/236B33Y30/00
CPCB33Y30/00
Inventor 单家正
Owner 单家正