US 12,403,657 B2
Three-dimensional shaping device
Tatsuya Teramoto, Nagano (JP); Taki Hashimoto, Nagano (JP); Kazuhide Nakamura, Asahi-mura (JP); Masayuki Gozu, Nagano (JP); and Takafumi Sameshima, Nagano (JP)
Assigned to Seiko Epson Corporation, Tokyo (JP)
Filed by SEIKO EPSON CORPORATION, Tokyo (JP)
Filed on Jan. 23, 2023, as Appl. No. 18/157,888.
Claims priority of application No. 2022-008462 (JP), filed on Jan. 24, 2022.
Prior Publication US 2023/0234288 A1, Jul. 27, 2023
Int. Cl. B33Y 30/00 (2015.01); B29C 64/245 (2017.01); B29C 64/295 (2017.01); B29C 64/393 (2017.01); B33Y 50/02 (2015.01)
CPC B29C 64/295 (2017.08) [B29C 64/245 (2017.08); B29C 64/393 (2017.08); B33Y 30/00 (2014.12); B33Y 50/02 (2014.12)] 6 Claims
OG exemplary drawing
 
1. A three-dimensional shaping device that is a pellet three-dimensional extrusion printer, the three-dimensional shaping device comprising:
a discharge part that includes a nozzle configured to discharge a shaping material from a nozzle opening thereof;
a stage that includes a shaping surface on which the shaping material is to be deposited;
a first heating part disposed at a lower side of the nozzle opening and configured to heat the stage to heat the shaping material deposited on the stage, the first heating part including
a first plate,
a second plate, and
a first heater that is a plate-shaped rubber heater, the first heater being disposed between the first plate and the second plate
such that a gap is formed by the first heater, the first plate, and the second plate in a first region of the first heating part, and
such that the first heater is disposed in a second region of the first heating part, the second region being closer to an outer periphery of the first heating part than the first region, the outer periphery of the first heating part being an outermost edge of the first heating part as viewed from a perpendicular direction perpendicular to the shaping surface; and
a control part including a processor and a main storage device, electrically connected to the discharge part and the first heating part, and executing a program loaded into the main storage device to control the discharge part and the first heating part to perform a shaping-layer formation processing that includes forming a shaping layer by discharging the shaping material onto the stage, and includes making a temperature of the second region higher than a temperature of the first region.