Patent ID: 9701065
Date: 2017-07-11
CPC Classifications: B29C,B33Y

Claim:
1. A blue-ray photocuring 3D (three-dimensional) printing pen, comprising: a casing, an ink cartridge, a penpoint, a photosensitive resin, a plurality of blue-ray LEDs (Light Emitting Diode), and a sensing module; wherein the ink cartridge is located within the casing, the penpoint is located at the head end of the ink cartridge and extending out of the casing, the photosensitive resin is placed within the ink cartridge; the plurality of blue-ray LEDs (Light Emitting Diode) are arranged around the circumference of the penpoint, the photosensitive resin is capable of flowing out the penpoint, the blue-ray LED is configured to irradiate and solidify the photosensitive resin, the wavelength of the blue-ray LED ranged from 465 nm to 474 nm; wherein the photosensitive resin is sensitive to a wavelength ranged from 465 nm to 474 nm, the photosensitive resin including acrylic ester, epoxy resin, free-radical initiator, cationic initiator, diluent, and fumed silica, both the free-radical initiator and the cationic initiator being blue-ray photosensitive initiators; wherein the blue-ray photocuring 3D printing pen further comprises a piston, which is located within the ink cartridge and is capable of sliding forward in the ink cartridge, and a step motor configured to drive the piston to move forward; wherein the blue-ray photocuring 3D printing pen further comprises a threaded pushrod, the threaded pushrod goes through the step motor and extends to the ink cartridge for connecting with the piston, the step motor controls the piston to move forward by driving the threaded pushrod; wherein a pushrod connecting piece is fixedly connected to the rear end of the threaded pushrod, the piston is fixedly connected to the front end of the threaded pushrod; wherein the plurality of blue-ray LEDs are configured to be synchronously extinguished when the sensing module senses that the penpoint is upward.