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A kind of photocurable 3D printing liquid and preparation system and method thereof

A technology for preparing system and printing liquid, applied in the field of 3D printing liquid, can solve the problem of slow forming speed of printing liquid, and achieve the effect of increasing hardness, increasing contact surface, and increasing reflection

Active Publication Date: 2022-07-05
江苏精加至信医疗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] For example, the publication number CN110253015A is a method for light-curing 3D printing liquid metal, which includes the following steps: using passivated metal particles of 1 to 50 nm, passing through an electromagnetic stirrer or ultrasonic wave according to a ratio of 1:1 or 2:1 The method is mixed with the prepolymer to form a fluid; different metal powders are cured under light with a wavelength of 320 to 750nm to form the first layer, and the Z axis moves down or up to enter the second layer of solidification until all The green body of the structural part is obtained after the layer is solidified; the parts are finally obtained through the low-temperature sintering process; the disadvantage of this invention is that the printing liquid forming speed is slow

Method used

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  • A kind of photocurable 3D printing liquid and preparation system and method thereof
  • A kind of photocurable 3D printing liquid and preparation system and method thereof
  • A kind of photocurable 3D printing liquid and preparation system and method thereof

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specific Embodiment approach 1

[0039] Combine below Figure 1-12 In this embodiment, a light-curing 3D printing liquid is used. Metal particles are mixed with a prepolymer at a ratio of 1. The particle size of the metal particles is 40-50 nm. The prepolymer is epoxy resin prepolymer or acrylate prepolymer. The metal particles are provided with a plurality of grooves; the metal particles with grooves can reduce the reflection of multi-light and increase the speed of forming after printing, and the grooves can increase the contact surface of the metal particles with the prepolymer. , which increases the hardness of the printed matter.

specific Embodiment approach 2

[0040] Combine below Figure 1-12 This embodiment is described, a system for photo-curing 3D printing liquid, the system includes a device support 1, a bulk material mechanism 2, a corrosion mechanism 3, a traverse mechanism 4, a traverse support 5, a filter mechanism 6, and a stirring mechanism I7 , stirring mechanism II8 and ventilation mechanism 9, the upper side of the front end of the device bracket 1 is fixedly connected with the bulk material mechanism 2, the upper side of the front end of the device bracket 1 is fixedly connected with the corrosion mechanism 3, and the corrosion mechanism 3 is located at the lower end of the bulk material mechanism 2. The traverse bracket 5 is slidably connected to the device bracket 1, the traverse bracket 5 is located at the lower end of the corrosion mechanism 3, the device bracket 1 is connected with a traverse mechanism 4, the traverse bracket 5 is fixedly connected to the traverse mechanism 4, and the traverse bracket 5 A filter ...

specific Embodiment approach 3

[0041] Combine below Figure 1-12 This embodiment is described. This embodiment further describes Embodiment 2. The device support 1 includes a bottom box 101, a collection area 102, a drying area 103, a mounting bracket I 104, a blocking ring 105, and a mounting bracket II 106. The bottom box The front end of the body 101 is provided with a collection area 102, the rear end of the bottom box 101 is provided with a drying area 103, and two mounting brackets I104 are provided, and the two mounting brackets I104 are fixedly connected to the left and right sides of the bottom box 101, respectively. A shielding ring 105 is fixedly connected between the upper ends of the front sides of the two mounting brackets I104, the upper end of the shielding ring 105 is fixedly connected with a mounting bracket II106, the stirring mechanism II8 is arranged in the drying area 103, and the rear end of the bottom box 101 is provided with a Ventilation mechanism 9.

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Abstract

The invention relates to a 3D printing liquid, more specifically to a light-curing 3D printing liquid. Metal particles and prepolymers are mixed at a ratio of 1 to 1, the particle size of the metal particles is 40-50 nm, and the prepolymers are epoxy resin prepolymers. polymer or acrylate prepolymer, the metal particles are provided with a plurality of grooves; step 1: place a plurality of metal particles of 40-50nm on the bulking mechanism, and the bulking mechanism scatters the metal particles through the Corrosion mechanism; Step 2: The ultrasonic atomizer atomizes and sprays the corrosive liquid on the falling metal particles, and the corrosive liquid corrodes the metal particles; Step 3: The etched metal particles fall on the filter belt, and the filter belt is passed through the water. The metal particles are washed, and the stirring mechanism I stirs them to remove the residual corrosive liquid on the metal particles; Step 4: The traverse mechanism pushes the traverse bracket to the drying area, and the filter mechanism pushes the metal particles into the drying area. Stirring and drying are carried out inside, and the metal particles after drying are mixed with the prepolymer at 1:1.

Description

technical field [0001] The present invention relates to a 3D printing liquid, more specifically to a light-curing 3D printing liquid and a preparation system and method thereof. Background technique [0002] For example, publication number CN110253015A is a method for photocuring 3D printing liquid metal, which includes the following steps: using passivated metal particles of 1 to 50 nm in a ratio of 1:1 or 2:1 through an electromagnetic stirrer or ultrasonic It is mixed with the prepolymer to form a fluid; different metal powders are cured under light with a wavelength of 320 to 750 nm to form the first layer, and the Z axis moves down or up into the second layer of curing until all the After the layer is solidified, a structural part blank is obtained; the parts are finally obtained through a low-temperature sintering process; the disadvantage of this invention is that the printing liquid has a slow forming speed. SUMMARY OF THE INVENTION [0003] The purpose of the pre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C64/124B33Y70/10B22F1/00
CPCB29C64/124B33Y70/10B22F1/10B22F1/145Y02P10/25
Inventor 华明进
Owner 江苏精加至信医疗科技有限公司
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