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3D printing machine with inclinable working platform

A technology of 3D printers and working platforms, which is applied in the direction of additive processing, etc., can solve problems such as the interference of the z-axis degree of freedom of the working platform, and achieve the effects of avoiding uneven drawing and improving printing accuracy and printing efficiency

Inactive Publication Date: 2016-08-03
JILIN UNIV
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Problems solved by technology

[0004] The invention patent with the application number 201610101012.2 proposes a 3D printer with curved surface processing characteristics. However, since the working platform and the nozzle structure are supported and driven by a three-bar parallel mechanism, the movement of the nozzle structure will have a negative impact on the z-axis freedom of the working platform. interference

Method used

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  • 3D printing machine with inclinable working platform
  • 3D printing machine with inclinable working platform
  • 3D printing machine with inclinable working platform

Examples

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Embodiment 1

[0026] Such as figure 1 with figure 2 As shown, a 3D printer with a tiltable working platform in this embodiment is mainly composed of a triangular prism frame composed of a base 1 and a bracket 13, a nozzle structure 14, a nozzle movement mechanism, a work platform 12 and a work platform movement mechanism;

[0027] There are two bases 1, located at the top and bottom of the frame respectively; the nozzle movement mechanism includes a lower block 8, a stop block 9, a synchronous belt 10, a feed rod 11, a support rod 15, a clamp block 16, a motor 17, and an upper slider 19 and nozzle platform 20. There are six light rods 11, which are respectively fixed between the two bases 1;

[0028] Such as figure 1 with Figure 4 As shown, the number of clamp blocks 16 and stop blocks 9 is three, which are respectively located at the top and bottom of each side of the triangular prism frame; the clamp blocks 16 on each side are fixed on the upper slide block 19, and the stop blocks 9...

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Abstract

The invention discloses a 3D printing machine with an inclinable working platform, and belongs to the technical field of digital machining. The 3D printing machine is a five-shaft linkage 3D printing device based on a parallel mechanism. The working platform is inclined through electric push rods and spherical hinge structures; and the electric push rods are hinged to a lower platform adopted as a static platform of the parallel mechanism through hooke joints to form a 3-PRS parallel mechanism. According to the 3D printing machine with the inclinable working platform, the defects of a traditional two-shaft or three-shaft linkage 3D printing machine are overcome, the printing efficiency is greatly improved through five-shaft linkage, the gravity limit problem caused by a cantilever and a hollow structure during workpiece design engineering is solved, hollow polyhedrons, multi-layer honeycomb structure workpieces and curved surface workpieces can be directly printed through the 3D printing machine, and the 3D printing efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of digital processing. Background technique [0002] 3D printing technology is a three-dimensional model that is sliced ​​and processed through computer input, and the control mechanism processes the received computer information, and uses fused deposition technology, laser sintering technology or photo-curing technology to print layer by layer to complete the production of objects. [0003] Existing 3D printers cannot use 3D printing methods to produce some structures with cantilevers or cavities that do not allow the addition of internal support structures. More generally, the problem of curved surface printing is that the current 3D printer printing process for curved surfaces is very cumbersome, requiring a large number of support structures, and the post-processing process is also very difficult to solve. More generally, the included angle between the normal line and the vertical line of the curved sur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C67/02B33Y30/00
CPCB33Y30/00
Inventor 孙慧超闫龙威曲兴田周凯李光辉吴天宇
Owner JILIN UNIV
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