23 Jul 3D printing device applicable to pneumatic extruding low-temperature platform control
Abstract
The invention provides a 3D printing device applicable to pneumatic extruding low-temperature platform control, and belongs to the field of tissue engineering technology and biological 3D printing technology. The 3D printing device comprises a bottom plate, a side plate, a nozzle device, a three-dimensional moving mechanism, a forming platform cooling device and a forming platform control mechanism, wherein the nozzle deice is mounted on a Z-axis slide block in a thread connection manner; the forming platform cooling device is fixedly mounted on a slide block in the forming platform control mechanism through a cap; the three-dimensional moving mechanism can realize moving in X, Y and Z directions; the forming platform cooling device can be controlled through the forming platform control mechanism to move in the X direction; and a water inlet and a water outlet are formed in the bottom part of the forming platform control mechanism. According to the 3D printing device, an extruding forming technological system is adopted; the temperature of a forming platform is controlled so as to print a scaffold tissue with high mechanical property; a method for cooling the forming platform through water circulating is carried out to ensure a low-temperature working environment for the extruding of biologic materials, and thus a solution is promoted to crosslink to form hydrogel, and as a result, the mechanical property and the integrity of a scaffold can be improved.
Year: 2017
Country: CN
Doc No: 106671406