A three-dimensional printing device for electric field-induced assisted electrospraying
An electric field induction and three-dimensional printing technology, which is applied in the directions of processing and manufacturing, additive processing, and liquid material additive processing, can solve problems such as difficult to manufacture three-dimensional structures, limited nozzle hole processing, and difficult to realize sub-micron and below structure processing. , to achieve the effect of fast forming speed and high printing resolution
Active Publication Date: 2020-05-19
DALIAN UNIV OF TECH
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Problems solved by technology
At present, 3D printing technology mainly adopts layer-by-layer direct writing, which is accumulated layer by layer to form a 3D structure, and it is difficult to manufacture complex 3D structures.
In addition, the resolution of the current 3D printing technology mainly depends on the size of the nozzle hole, which is limited by the nozzle hole processing, and it is difficult to realize the processing of sub-micron and below structures.
Method used
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[0023] The specific embodiments of the present invention will be described in detail below in conjunction with the technical solution and the drawings. The three-dimensional printing device using an electric field induced auxiliary electrojet of the embodiment mainly includes an electrojet printing module and an electric field induced molding module.
[0024] The precision syringe 2 has a measuring range of 25-1000 μL and is placed on the precision syringe pump 1. The precision syringe 2 sucks the silver sol functional material solution 3 through the catheter 4. Under the thrust of the precision syringe pump 1, the precision syringe 2 is 0.01- 5μLmin -1 The flow rate of the functional material solution 3 is delivered to the nozzle of the spray needle 6; the spray needle clamp 5 is fixed on the Z axis and is used to hold the spray needle 6. The spray needle 6 is made of stainless steel or quartz with an inner diameter of 5- 500μm; the camera 7 displays the radiographic behavior du...
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Abstract
The invention belongs to the technical field of advanced manufacture and relates to a device for manufacturing a three-dimensional structure by electric field induction assisted electrospray printing.The device comprises an electrospray printing module and an electric field induced forming module. The electrospray printing module is used for delivering a functional material solution into a sprayneedle, shearing the functional material solution by utilizing an electric field force applied to the spray needle to form a micro / nano-scale stable jet flow smaller than the size of the spray needleand printing a micro / nano structure; and the electric field induced forming module is used for regulating and controlling the structure by utilizing a spatial electric field force generated by an induction electrode, and a complex micro / nano three-dimensional structure is obtained by electric field induction, stress deformation, cooling for curing and three-dimensional molding. The complex micro / nano three-dimensional structure manufactured by using the three-dimensional printing device disclosed by the invention has the advantages such as free molding of the spatial three-dimensional structure, high printing resolution and high molding speed, the complex micro / nano three-dimensional structure manufactured by using the device has the line width of dozens of nanometers, and the complex micro / nano three-dimensional structure manufactured by printing is widely applied to the fields such as electronics, information and energy.
Description
Technical field [0001] The invention belongs to the field of advanced manufacturing technology, and relates to an electric field induced three-dimensional printing device assisted by electrospraying. Background technique [0002] With the improvement of device performance and integration, the functional structure of the device has gradually developed from a two-dimensional structure to a three-dimensional structure. For example, a three-dimensional microelectromechanical system based on a cantilever beam structure provides a larger bandwidth and adjustable frequency than a two-dimensional system; compared with a macroscopic optoelectronic device, a miniature optoelectronic device is not only small in size, light in weight, and low in power consumption. Therefore, the micro / nano three-dimensional structure plays an important role in miniaturization, integration, and energy saving of high-performance devices. In addition, the micro / nano three-dimensional structure, as the sensing ...
Claims
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IPC IPC(8): B29C64/106B29C64/20B33Y10/00B33Y30/00
CPCB29C64/106B29C64/20B33Y10/00B33Y30/00
Inventor 王大志李凯贾皓然任同群梁军生
Owner DALIAN UNIV OF TECH