Modeling apparatus and modeling method

Patent metadata

Field	Value
Publication number	US-9636870-B2
Application number	US-73671809-A
Country	US
Kind code	B2
Filing date	May 14, 2009
Priority date	May 26, 2008
Publication date	May 2, 2017
Grant date	May 2, 2017

Abstract

A powder transfer mechanism laminates powder layers containing water-soluble powder as a main component one by one at a modeling portion. An inkjet line head injects a water-based ink that dissolves the powder in an area of an uppermost layer of the powder layers laminated by the powder transfer mechanism, the area corresponding to a cross-sectional shape of a modeled object. Then, a heater heats the powder for each layer of the powder layers. Further, the heater heats the powder after the water-based ink is injected by the inkjet line head or before the water-based ink is injected by the inkjet line head. The present invention can be applied to a modeling apparatus, for example.

First claim

The invention claimed is:

1. A modeling apparatus comprising:
a liquid supply mechanism that is moveable from a standby region of the modeling apparatus toward a modeling region of the modeling apparatus to deposit a liquid onto a powder in the modeling region, the modeling region is between the standby region and a supply region of the modeling apparatus;
a powder transfer mechanism that is moveable from the supply region toward the liquid supply mechanism to transfer the powder from the supply region to the modeling region, the powder transfer mechanism is configured to move from the supply region toward the liquid supply mechanism when the liquid supply mechanism is at the standby region; and
a heating mechanism between the liquid supply mechanism and the powder transfer mechanism, the heating mechanism is configured to simultaneously radiate the liquid in the modeling region and the powder in the modeling region with heat.

2. The modeling apparatus according to claim 1 , wherein the liquid supply mechanism is configured to travel simultaneously with the heating mechanism in a pathway along a direction.

3. The modeling apparatus according to claim 1 , wherein the powder transfer mechanism is moveable from the supply region toward the liquid supply mechanism before the liquid supply mechanism deposits the liquid onto the powder.

4. The modeling apparatus according to claim 1 , wherein the powder transfer mechanism is moveable from the supply region toward the liquid supply mechanism before the liquid supply mechanism moves from the standby region toward the modeling region.

5. The modeling apparatus according to claim 1 , further comprising:
a heater unit configured to heat a powder at a supply region of the modeling apparatus, the heater unit is located at the supply region.

6. The modeling apparatus according to claim 5 , wherein the heater unit is configured to heat a vicinity of an upper portion of the supply region.

7. The modeling apparatus according to claim 1 , wherein a laminated powder layer is in the modeling region, the liquid combined with the powder is the laminated powder layer.

8. The modeling apparatus according to claim 7 , wherein the heating mechanism is moveable away from the powder transfer mechanism when radiating the laminated powder layer.

9. The modeling apparatus according to claim 7 , wherein the liquid supply mechanism is configured to deposit the liquid onto an uncured layer, the uncured layer is the powder in the modeling region that is radiated with the heat.

10. The modeling apparatus according to claim 9 , wherein the heating mechanism is configured to radiate the heat onto a liquefied uncured layer in the modeling region, the liquefied uncured layer includes the uncured layer and the liquid.

11. The modeling apparatus according to claim 10 , wherein the heat converts the liquefied uncured layer into the laminated powder layer.

12. The modeling apparatus according to claim 1 , wherein the heating mechanism is configured to radiate far infrared rays.

13. The modeling apparatus according to claim 12 , wherein the far infrared rays having a wavelength of 4 μm to 1,000 μm.

14. The modeling apparatus according to claim 1 , further comprising:
a dehumidification portion configured to remove water vapor from an atmosphere in a vicinity of the modeling region.

15. The modeling apparatus according to claim 1 , wherein the liquid supply mechanism is configured to deposit the liquid onto the powder in the modeling region after the powder has been heated.

16. The modeling apparatus according to claim 1 , further comprising:
a lid configurable to enclose injection ports of the liquid supply mechanism.

17. The modeling apparatus according to claim 16 , wherein the lid is configured to permit an injection of the liquid from the injection ports only when the liquid supply mechanism deposits the liquid onto the laminated powder layer.

18. The modeling apparatus according to claim 1 , wherein the powder transfer mechanism is a roller.

19. The modeling apparatus according to claim 1 , wherein the powder is a water-soluble powder.

20. The modeling apparatus according to claim 1 , wherein the powder is a combination of salt as a main component and at least one of magnesium sulfate and polyvinylpyrrolidone.

21. The modeling apparatus according to claim 1 , wherein the liquid is a water-based ink, the liquid supply mechanism is configured to deposit the water-based ink onto the laminated powder layer.

22. The modeling apparatus according to claim 1 , wherein the liquid is from the group consisting of a color ink, a colorless ink, and a solution that contains water and alcohol.

Assignees

• Kuzusako Junichi
• Yamamoto Masanobu
• Ookubo Akira
• Kamewa Toshihiro
• Koizumi Tomohide
• Tamura Kazuma
• Matsui Takeshi
• Sony Corp

Inventors

• Kuzusako Junichi
• Yamamoto Masanobu
• Ookubo Akira
• Kamewa Toshihiro
• Koizumi Tomohide
• Tamura Kazuma
• Matsui Takeshi

Classifications

• B29C67/0081 Primary

  Operations & Transport · mapped topic

• B22C9/00

  Moulds or cores (uniquely adapted to particular casting processes B22D); Moulding processes · CPC title

• B22C7/02

  Lost patterns · CPC title

• B29C64/165 Primary

  using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber · CPC title