This invention is in the field of automated 3D printing of buildings or structures and method of its operation. A 3D printer having an extendable boom arm with an extruder for extruding a concrete-based chemical solution moves with translational and rotational motion in an XOY plane. The extendable
This invention is in the field of automated 3D printing of buildings or structures and method of its operation. A 3D printer having an extendable boom arm with an extruder for extruding a concrete-based chemical solution moves with translational and rotational motion in an XOY plane. The extendable boom arm is mounted such that it is capable of height adjustment in a XOZ plane. The invention also regards a method for automated 3D printing of a building or structure using the 3D printer.
대표청구항▼
1. A 3D printer for printing buildings and structures, comprising: a. a base;b. wherein the base has a telescoping-type lift mechanism;c. a rotation mechanism connected to the telescoping-type lift mechanism so that a height of the 3D printer can be adjusted in an XOZ plane;d. the base and the teles
1. A 3D printer for printing buildings and structures, comprising: a. a base;b. wherein the base has a telescoping-type lift mechanism;c. a rotation mechanism connected to the telescoping-type lift mechanism so that a height of the 3D printer can be adjusted in an XOZ plane;d. the base and the telescoping-type lift mechanism do not rotate;e. an extendable boom arm having telescoping extendable sections mounted to the rotation mechanism;f. the extendable boom arm being capable of translational and rotational motion in an XOY plane;g. an extruder at the end of the telescoping extendable sections for extruding a concrete-based chemical solution;h. wherein the 3D printer automatically prints a building or a structure based on a given design schematic. 2. The 3D printer for printing buildings and structures of claim 1, wherein the extendable boom arm has a counterweight mechanism, on an opposite end of the extendable boom arm from the extruder, a position of the counterweight mechanism is automatically adjusted so a center of mass of the 3D printer coincides with an axis of rotation of the 3D printer. 3. The 3D printer for printing buildings and structures of claim 1, wherein the extendable boom arm having the telescoping extendable sections has a maximum operating radius of 20 meters. 4. The 3D printer for printing buildings and structures of claim 1, wherein the concrete-based chemical solution is pumped into through the rotation mechanism, then through the extendable boom arm, then through the telescoping extendable sections and finally through the extruder by a pumping unit connected to the rotation mechanism by a pipe or a hose. 5. The 3D printer for printing buildings and structures of claim 4, wherein the concrete chemical solution is under an operational pressure of up to 40 bars. 6. The 3D printer for printing buildings and structures of claim 4, wherein the concrete chemical solution is regulated between 0 to 120 liters per minute for extrusion. 7. The 3D printer for printing, buildings and structures of claim 4, wherein a flow rate of the concrete chemical solution varies in relationship to a trajectory of the extruder changing. 8. The 3D printer for printing buildings and structures of claim 4, wherein the 3D printer and the pumping unit are controlled by a control unit housed in the base of the 3D printer, the extendable boom arm, the pumping unit, or in a separate ancillary control unit. 9. The 3D printer for printing buildings and structures of claim 4, wherein the concrete-based chemical solution is stored in a storage unit, or provided by a transport truck that pours its contents into a trough or a feeding unit for the pumping unit. 10. The 3D printer for printing buildings and structures of claim 1, wherein: a. the rotation mechanism has an inner housing and an out housing which surround a concrete based chemical solution feed pipe and have a bearing unit between the inner housing and outer housing allowing the inner housing and outer housing to freely rotate around each other;b. mounted to the inner housing are a plurality of contactor rings in electrical communication with a plurality of contactor antennae that are mounted to the outer housing;c. the inner housing has an electrical terminal that is an inner housing end which is in electrical contact with the plurality of contactor rings;d. the plurality of contactor rings are mounted to non-conductive inserts and are not in direct electrical contact with the inner housing;e. the outer housing has an electrical terminal that is an outer housing end which is in electrical contact with the plurality of contactor antennae; andf. the plurality of antennae are mounted to nonconductive inserts and are not in direct electrical contact with the outer housing. 11. A 3D printer for printing buildings and structures, comprising: a. a base;b. wherein the base has a rotation mechanism;c. a truss is mounted on the rotation mechanism;d. a height adjustment unit is connected to the truss;e. an extendable boom arm having telescoping extendable sections mounted to the height adjustment unit;f. the height adjustment unit allows a height of the 3D printer to be adjusted in an XOZ plane;g. the extendable boom arm being capable of translational and rotational motion in an XOY plane;h. an extruder at the end of the telescoping extendable sections for extruding, a concrete-based chemical solution;i. wherein, the 3D printer automatically prints a building or a structure based on a given design schematic. 12. The 3D printer for printing buildings and structures of claim 11, wherein the extendable boom arm has a counterweight mechanism, on an opposite end of the extendable boom arm from the extruder, a position of the counterweight mechanism is automatically adjusted so a center of mass of the 3D printer coincides with an axis of rotation of the 3D printer. 13. The 3D printer for printing buildings and structures of claim 11, wherein the extendable boom arm having the telescoping extendable sections has a maximum operating radius of 20 meters. 14. The 3D printer for printing buildings and structures of claim 11, wherein the concrete-based chemical solution is pumped into through the height adjustment unit, then through the extendable boom arm, then through the telescoping extendable sections and finally through the extruder by a pumping unit connected to the height adjustment unit by a pipe or a hose. 15. The 3D printer for printing, buildings and structures of claim 14, wherein the concrete chemical solution is under an operational pressure of up to 40 bars. 16. The 3D printer for printing buildings and structures of claim 14, wherein the concrete chemical solution is regulated between 0 to 12 liters per minute for extrusion. 17. The 3D printer for priming buildings and structures of claim 14, wherein a flow rate of the concrete chemical solution varies in relationship to a trajectory of the extruder changing. 18. The 3D printer for printing buildings and structures of claim 14, wherein the 3D printer and the pumping unit are controlled by a control unit housed in the base of the 3D printer, the extendable boom arm, the pumping unit, or in a separate ancillary control unit. 19. The 3D printer for printing buildings and structures of claim 14, wherein the concrete based chemical solution is stored in a storage unit, or provided by a transport truck that pours its contents into a trough or a feeding unit for the pumping unit. 20. A method for 3D printing of a building or structure, comprising: a. providing a given design schematic for the building or structure set out in an XYZ coordinate system with an X axis, Y axis, and Z axis;b. placing a 3D printer unit at coordinates 0, 0, 0;c, the 3D printer unit having an extendable boom arm with an extruder at one end and a counterweigth mechanism at an opposite end of the extruder;d. the counterweight mechanism moving to maintain center of mass along Z axis at X,Y coordinate 0,0 while the extendable boom arm is extending or contracting;e. the extendable boom arm undergoing translational and rotational motion to change a position of the extruder in an XOY plane of the XYZ coordinate system;f. the extendable boom arm lifting and lowering to change a position of the extruder in an XOZ plane of the XYZ coordinate system;g. pumping a concrete-based chemical solution through the 3D printer to the extruder at a variable delivery rate;h. creating the building or structure of the provided design schematic automatically.
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