Unlock instant, AI-driven research and patent intelligence for your innovation.

A laser surround follow 3D printing device

A 3D printing and laser technology, applied in the field of additive manufacturing, can solve problems such as inability to effectively and accurately provide laser irradiation, achieve excellent isotropic characteristics, avoid omissions, and achieve low manufacturing and maintenance costs

Active Publication Date: 2021-08-13
NANJING UNIV OF SCI & TECH
View PDF13 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In view of the deficiencies in the existing technology, the technical purpose of the present invention is to provide a laser surround follow 3D printing device, to ensure that each position of the printed circuit can achieve a good laser in-situ curing effect, and to solve the problem of the existing laser-assisted FDM enhancement layer. The problem that the bonding force technology cannot effectively and accurately provide laser irradiation in some special positions

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A laser surround follow 3D printing device
  • A laser surround follow 3D printing device
  • A laser surround follow 3D printing device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Such as Figure 2 to Figure 4 A laser surround-follow 3D printing device is shown, which is applied in the circuit printing process of additive manufacturing to achieve in-situ curing.

[0048] The laser surround follow 3D printing device includes a control system, a laser 1-1, a conductive paste nozzle 1-2, a nozzle motion actuator, a laser surround follow module 1-3, and a laser auto-focus module.

[0049] The nozzle movement actuator, the laser surround following module 1-3, the laser auto-focus module, the laser 1-1 and the driver circuit of the nozzle are respectively connected to the control system, and the control system controls the operation of the device according to the preset program. Unified regulation.

[0050] The spray head motion actuator includes a multi-degree-of-freedom mechanical arm 1-4 and a main shaft 1-7 installed at its end through a bracket. The bracket and the multi-degree-of-freedom mechanical arm 1-4 are articulated through a shaft perpen...

Embodiment 2

[0062] On the basis of Embodiment 1, the outer surface of the laser mounting base 1-13 is provided with an electric sliding table guide rail, and the laser 1-1 is detachably mounted on the slide table of the electric sliding table guide rail through a clamp 1-14 , do linear motion along the guide rail. The driving device of the slide block of the guide rail of the electric slide table is connected with the control system, and when the slide table of the guide rail of the electric slide table moves, the laser 1-1 can realize Figure 4 Movement in the X-axis direction shown.

[0063] In this embodiment, when the distance between the conductive paste spray head 1-2 and the substrate changes, the control system drives the laser auto-focus module to operate according to the process parameters, and the pitch rotation and the movement along the X-axis of the laser 1-1 are synthesized to make the The laser spot is more accurately irradiated to the position of the circuit to be cured,...

Embodiment 3

[0065] Such as Figure 3 to Figure 5 A laser surround follow 3D printing device is shown, which is used to implement the FDM additive manufacturing process. The device includes a control system, a laser 2-1, an FDM nozzle 2-3, an FDM nozzle motion actuator, and a laser surround follow module 2 -4 and the laser auto-focus module 2-5 and other components. The FDM sprinkler head movement actuator, the laser surround following module 2-4, the laser auto-focus module 2-5, the laser 2-1 and the driving circuit of the FDM sprinkler head are respectively connected to the control system, and the control system is configured according to preset The program uniformly controls the operation of the device.

[0066] The FDM nozzle motion actuator is used to drive the FDM nozzle 2-3 and other related components to move in three-dimensional space. The FDM spray head motion actuator includes a spray head main shaft 2-9, and the FDM spray head 2-3 is installed on the bottom of the spray head ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a laser encircling and following 3D printing device, which includes components such as a control system, a laser, a nozzle, and a nozzle movement actuator. The nozzle movement actuator includes a main shaft, and a conductive paste nozzle is installed at the bottom of the main shaft. , characterized in that: the 3D printing device is also provided with a laser surround following module and a laser auto-focus module. The printing device of the present invention can ensure that the light spot of the laser device always falls on the rear / front position of the nozzle in the processing path. When applied in the printing process of conductive lines, it can ensure that each position can achieve a good laser in-situ curing effect. If it is applied in In the FDM additive manufacturing process, it can ensure that each position in the FDM process path achieves good interlayer bonding, and solves the problem that the laser irradiation point that is prone to deviate from the path when the existing additive manufacturing 3D printing device executes a non-linear motion path , Improve product processing quality.

Description

technical field [0001] The invention belongs to the technical field of additive manufacturing, and specifically relates to a laser surround-and-follow 3D printing device. Background technique [0002] Additive manufacturing technology was proposed by American scholars in the late 1970s, and domestic scholars began related research work in the 1980s. [0003] The use of conductive paste represented by nano-silver paste can realize the direct molding additive manufacturing of high-resolution conductive lines. The manufacturing process of the circuit mainly includes printing (extrusion, spraying, etc.) forming the circuit and sintering and curing the formed circuit. stage. The laser in-situ curing manufacturing method has become a key technology for the additive manufacturing of conformal conductive lines due to its advantages of good positioning accuracy and high processing efficiency. [0004] At present, for the manufacture of conformal circuits, the relative movement betw...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B22F3/115B22F3/24B33Y10/00B33Y30/00B33Y40/20B33Y50/02
CPCB22F3/003B22F3/115B22F3/24B33Y10/00B33Y30/00B33Y40/00B33Y50/02
Inventor 肖行志廖文和李昊真俎文凯顾明飞张长东刘婷婷
Owner NANJING UNIV OF SCI & TECH