Plasticizing device, three-dimensional modeling device, and injection molding device
AssigneeSeiko Epson Corporation
InventorKei Yokota
Life of this patent
Estimating the term…
Abstract
A plasticizing device that plasticizes a material to produce a molten material includes a driving motor, a screw that has a grooved surface on which a groove is formed and rotates by the driving motor; and a barrel having a facing surface that faces the grooved surface and has a communication hole formed in the center and a heater, wherein the screw has a cooling medium flow path provided inside the screw, an inlet portion that communicates with the cooling medium flow path and introduces a cooling medium from the outside of the screw, and an outlet portion that communicates with the cooling medium flow path and discharges the cooling medium to the outside of the screw.
Claims7
A plasticizing device that plasticizes a material to produce a molten material, the plasticizing device comprising:
- a driving motor;
- a screw that has a grooved surface on which a groove is formed and rotates by the driving motor;
- and
- a barrel having a facing surface that faces the grooved surface and has a communication hole formed in the center and a heater, wherein
- the screw has a cooling medium flow path provided inside the screw, an inlet portion that communicates with the cooling medium flow path and introduces a cooling medium from the outside of the screw, and an outlet portion that communicates with the cooling medium flow path and discharges the cooling medium to the outside of the screw,
- wherein the outlet portion is provided closer to a center axis of the screw than the inlet portion.
A three-dimensional modeling device comprising:
- a nozzle that ejects a modeling material;
- a plasticizing device that plasticizes a material to produce the modeling material and supplies the modeling material to the nozzle;
- and
- a control portion that controls the plasticizing device, wherein
- the plasticizing device includes
- a driving motor,
- a screw that has a grooved surface on which a groove is formed and rotates by the driving motor, and
- a barrel having a facing surface that faces the grooved surface and has a communication hole formed along a center axis of the barrel and a heater, and
- the screw has a cooling medium flow path provided inside the screw, an inlet portion that communicates with the cooling medium flow path and introduces a cooling medium from outside of the screw, and an outlet portion that communicates with the cooling medium flow path and discharges the cooling medium to the outside of the screw,
- wherein the outlet portion is provided closer to a center axis of the screw than the inlet portion.
An injection molding device comprising:
- a nozzle that ejects a molten material;
- a plasticizing device that plasticizes a material to produce the molten material and supplies the molten material to the nozzle;
- and
- a control portion that controls the plasticizing device, wherein
- the plasticizing device includes
- a driving motor,
- a screw that has a grooved surface on which a groove is formed and rotates by the driving motor, and
- a barrel having a facing surface that faces the grooved surface and has a communication hole formed along a center axis of the barrel and a heater, and
- the screw has a cooling medium flow path provided inside the screw, an inlet portion that communicates with the cooling medium flow path and introduces a cooling medium from outside of the screw, and an outlet portion that communicates with the cooling medium flow path and discharges the cooling medium to the outside of the screw,
- wherein the outlet portion is provided closer to a center axis of the screw than the inlet portion.
Dependencies are inferred from the claim text.