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Photo-curing 3D (three dimensional) printer based on helical scanning and flexible interface

A 3D printer and helical scanning technology, which is applied in the field of light-curing 3D printers, can solve problems such as short coating life, economical decline, and complex coating process, so as to ensure work efficiency and machine cost, and improve scanning speed and curing accuracy.

Inactive Publication Date: 2014-02-19
XI AN JIAOTONG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, this method mainly uses coated glass and auxiliary tear-off mechanism to solve this problem, but due to the complex coating process and the short life of the coating under ultraviolet light, the economy is reduced

Method used

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  • Photo-curing 3D (three dimensional) printer based on helical scanning and flexible interface
  • Photo-curing 3D (three dimensional) printer based on helical scanning and flexible interface
  • Photo-curing 3D (three dimensional) printer based on helical scanning and flexible interface

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Embodiment Construction

[0013] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0014] refer to figure 1 , a light-curing 3D printer based on spiral scanning and flexible interface, including a stepping motor 8 in the middle of the bottom of the machine, the output of the stepping motor 8 is connected to the electric slip ring 7, and the linear feed motion platform 6 is arranged on the electric slip ring 7 The linear feed motion platform 6 rotates on the plane through the electric slip ring 7, the integrated LED lens 5 is connected to the linear feed motion platform 6, and the linear feed motion platform 6 drives the integrated LED lens 5 to perform linear motion, stepping The combination of the rotary motion output by the motor 8 and the linear motion makes the integrated LED lens 5 perform a planar spiral scanning motion on the plane.

[0015] refer to figure 2 , the scanning path is an Archimedes spiral. When scanning the first lay...

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Abstract

A photo-curing 3D (three dimensional) printer based on helical scanning and a flexible interface comprises a stepper motor in the middle of the bottom of the printer, the output of the stepper motor is connected with an electric slip ring, a linear feed movement platform is arranged on the electrical slip ring, an integrated LED (light-emitting diode) camera lens is connected to the linear feed movement platform, a film supporting glass holder is arranged outside the integrated LED (light-emitting diode) camera lens, the integrated LED (light-emitting diode) camera lens supports film supporting glass, the film supporting glass is contacted directly with a nonstick film thereon, the nonstick film is fixed on the integrated LED camera lens by a resin groove and a resin groove film fixing cover, the nonstick film supports photosensitive resin, a solidified resin layer is attached onto a lifting head, the lifting head is connected with a lifting system, the LED camera lens is driven to perform Archimedes helical path scanning on the surface of the resin by use of planar helical motion combining rotary motion with linear motion, so that the oscillation can be effectively avoided, the scanning speed and accuracy are improved, the tearing process is more efficient and economic, and the work efficiency of the printer is improved.

Description

technical field [0001] The invention belongs to the technical field of light-curing 3D printing, in particular to a light-curing 3D printer based on helical scanning and a flexible interface. Background technique [0002] Stereo-curing 3D printing is a high-precision additive manufacturing method. Traditional light-curing 3D printers use lasers as the light source system, and focus on a layer of photosensitive resin coated by the coating mechanism through the reflection of the scanning galvanometer to make it solidify and form. However, the cost of this 3D printer is high and the structure is complex. Therefore, a low-cost photocuring 3D printer can use a high-power ultraviolet LED as a light source, an XY linear reciprocating motion table as a scanning mechanism, and a light source at the bottom of the resin tank. The projection method saves the coating structure, thereby reducing the cost. Although these methods are less costly, there are still shortcomings: [0003] 1....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C67/00
Inventor 李涤尘杨春成曹毅同治强张莹莹王永信
Owner XI AN JIAOTONG UNIV
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