CN-121018937-B - Micro-nano 3D printing equipment and method based on multiple energy fields

CN121018937BCN 121018937 BCN121018937 BCN 121018937BCN-121018937-B

Abstract

The invention relates to the technical field of 3D printing, in particular to a micro-nano 3D printing device and method based on a multi-energy field. For can realizing the multi-material integration, equip including many material ponds, light source system and can with many material ponds relative motion's basement, light source system is used for transmitting the UV light path, be provided with the conducting resin pond, function resin pond and the magnetic control resin pond that the basement and UV light path can get into on the many material ponds, can produce asymmetric electric field in the conducting resin pond, be provided with the functional material in the function resin pond, the bottom in magnetic control resin pond is provided with the uniform magnetic field that can produce the fixed direction and the magnetic field can the rotation. Through the position cooperation of many material ponds and basement, realize that conductive material, functional material, magnetic material's gradual printing reaches three kinds of materials integration in an organic whole's effect.

Inventors

WU YINGDAN
PENG BIN
HUANG ZHIYUAN
Wei Kangya
WANG CHANG
LI LONGQIU
LIU JINYUAN

Assignees

哈尔滨工业大学

Dates

Publication Date: 20260512
Application Date: 20250919

Claims (5)

1. The micro-nano 3D printing device based on the multi-energy field is characterized by comprising a multi-material pool, a light source system and a substrate capable of moving relatively to the multi-material pool, wherein the light source system is used for emitting a UV light path, the multi-material pool is provided with a conductive resin pool, a functional resin pool and a magnetic control resin pool, the substrate and the UV light path can enter the conductive resin pool, an asymmetric electric field can be generated in the conductive resin pool, functional materials are arranged in the functional resin pool, and the bottom of the magnetic control resin pool is provided with a uniform magnetic field and the direction of the magnetic field can be changed; The ultrasonic sheets acting on the conductive resin pool, the functional resin pool and the magnetic control resin pool are fixedly connected on the multi-material pool; The anode electrode plate groove and the cathode electrode plate groove are respectively arranged on the left side and the right side of the conductive resin pool, and the anode electrode plate positioned in the anode electrode plate groove and the cathode electrode plate positioned in the cathode electrode plate groove are fixed on the multi-material pool; A stepping motor groove is formed in the multi-material pool, a stepping motor positioned in the stepping motor groove is fixedly connected to the multi-material pool, an output shaft of the stepping motor is downwards arranged, a first gear is fixedly connected to the output shaft of the stepping motor, a second gear sleeved at the bottom of the magnetic control resin pool is rotationally connected to the bottom of the multi-material pool, a plurality of square magnets are fixed to the second gear, all square magnets can generate a uniform magnetic field according to halbach array arrangement, and the second gear is meshed with the first gear; The UV light path is horizontally projected, and the UV light path can be reflected to the conductive resin tank, the functional resin tank and the magnetic control resin tank by matching with the multi-material tank capable of horizontally moving; The horizontal position of the multi-material pool is adjusted through the first linear driving mechanism, and the vertical position of the substrate is adjusted through the second linear driving mechanism.
2. The multi-energy field micro-nano 3D printing apparatus according to claim 1, wherein the functional material is self-lubricating functional particles or shape memory polymer.
3. The printing equipment based on the multi-energy-field micro-nano 3D is characterized in that the first linear driving mechanism is a sliding block guide rail type direct-drive screw type electric mechanism, a multi-material tank is fixed on a sliding block, or the first linear driving mechanism comprises a screw mechanism, the screw mechanism comprises a left first supporting table and a right first supporting table, the upper end of the first supporting table positioned at the left side is fixedly connected with a servo motor, an output shaft of the servo motor is fixedly connected with a coupler, the left end of the coupler is fixedly connected with a screw, the two first supporting tables are fixedly connected with two screw supporting seats respectively, the left end and the right end of the screw are respectively connected with the two screw supporting seats in a rotating mode, a transmission nut is fixedly connected to the front side and the rear side of the left end and the right end of the multi-material tank respectively, the two transmission nuts positioned at the front side and the screw positioned at the front side are in spiral transmission mode, the two screws positioned at the rear side and the screw positioned at the rear side penetrate through the multi-material tank, the second linear driving mechanism is a screw sliding table module of the screw transmission type, and the substrate is fixed on the second linear driving mechanism.
4. The multi-energy-field-based micro-nano 3D printing apparatus of claim 1, wherein the multi-stock tank is provided with a cleaning tank into which the substrate can be cleaned.
5. A multi-energy field micro-nano 3D printing method, characterized in that the multi-energy field micro-nano 3D printing equipment according to any one of claims 1 to 4 is used; Uniformly mixing conductive particles with substrate photosensitive resin, functional particles with substrate photosensitive resin, and magnetic particles with substrate photosensitive resin, and then respectively filling the mixture into a conductive resin tank, a functional resin tank and a magnetic control resin tank; Generating an asymmetric electric field in the conductive resin pool, controlling the directional arrangement of conductive particles, regulating the directional arrangement of magnetic particles, generating sound fields for the conductive resin pool, the functional resin pool and the magnetic control resin pool, and ensuring uniform distribution of the particles; and thirdly, according to the requirements of the target multi-material printing part, enabling the substrate to reach the corresponding conductive resin pool, functional resin pool and magnetic control resin pool, performing sequential projection exposure on layered slice images of the three materials, and finally forming the high-precision multi-energy field 3D printing sample.

Description

Micro-nano 3D printing equipment and method based on multiple energy fields Technical Field The invention relates to the technical field of 3D printing, in particular to a micro-nano 3D printing device and method based on a multi-energy field. Background Photo-curing 3D printing is also called stereolithography, and liquid photosensitive resin is selectively irradiated by ultraviolet light/visible light with a specific wavelength light source to trigger photopolymerization reaction to realize layer-by-layer curing formation. The technology has the remarkable advantages of high manufacturing precision, strong complex structure realization capability, material functionalization and the like, and has the advantages of high light-cured 3D printing material utilization rate, no need of die sinking, low assembly requirement, flexible structural design and the like compared with the traditional material reduction manufacturing. Currently, photo-cured 3D printing is widely used in micro-nano scale structure formation. However, with the rapid development of fields such as biomedical and precision optics, the requirements on multi-material integration and multi-functional compounding are gradually increased, and the traditional method for realizing multi-material integration and multi-functional compounding by assembly is difficult to adapt to a micro-nano scale device and cannot meet the micro-nano scale requirements of fields such as biomedical and precision optics, so that the introduction of the equipment and the method for manufacturing the forming device with high precision, which can ensure multi-material integration and realize multi-functional compounding integration under the micro-nano scale, is needed. Disclosure of Invention The invention provides a micro-nano 3D printing device and a method based on a multi-energy field, which can realize multi-material integration, enable the types of materials to be not less than 3, and realize high-precision manufacturing integrating multiple functions through multi-energy field regulation and control. The above object is achieved by the following technical scheme: The utility model provides a little receive 3D printing equipment based on multipotency field, including many material ponds, light source system and can with many material ponds relative motion's basement, light source system is used for transmitting the UV light path, be provided with conducting resin pond, function resin pond and the magnetic control resin pond that the basement and UV light path can get into on the many material ponds, can produce asymmetric electric field in the conducting resin pond, be provided with functional material in the function resin pond, the bottom in magnetic control resin pond is provided with the even strong magnetic field that can produce the fixed direction and the magnetic field can autorotate. The ultrasonic sheets acting on the conductive resin pool, the functional resin pool and the magnetic control resin pool are fixedly connected on the multi-material pool. The positive electrode plate groove and the negative electrode plate groove are respectively arranged on the left side and the right side of the conductive resin pool, and the positive electrode plate positioned in the positive electrode plate groove and the negative electrode plate positioned in the negative electrode plate groove are fixed on the multi-material pool. Be provided with the step motor groove on the many material ponds, the rigid coupling has the step motor that is located step motor inslot on the many material ponds, step motor's output shaft sets up down, the rigid coupling has first gear on step motor's the output shaft, many material pond bottom rotates to be connected with the second gear of cover in the magnetron resin pond bottom, be fixed with a plurality of square magnets on the second gear, all square magnets can produce the uniform magnetic field of fixed direction according to halbach array arrangement, second gear and first gear engagement. The UV light path is horizontally projected, and the UV light path can be reflected to the conductive resin pool, the functional resin pool and the magnetic control resin pool by matching with the multi-material pool capable of horizontally moving. The functional material is self-lubricating functional particles or shape memory polymer. The horizontal position of the multi-material pool is adjusted through the first linear driving mechanism, and the vertical position of the substrate is adjusted through the first linear driving mechanism and the second linear driving mechanism. The first linear driving mechanism directly drives the screw rod type electric mechanism, a slide block guide rail type multi-material pool is fixed on the slide block, or the first linear driving mechanism comprises a screw rod mechanism, the screw rod mechanism comprises a left supporting table, a right supporting table and a first supporting table, a servo motor is fixe