Apparatus for modeling three-dimensional object and method for modeling three-dimensional object

Abstract

Provided is an apparatus for modeling a three-dimensional object configured to model a three-dimensional object by a fused deposition modeling, including a plurality of material resin supply units configured to supply filaments to be used as a modeling material, respectively, a mixed resin ejection unit configured to eject a mixed resin, which is obtained by mixing the filaments to be supplied from the supply units, and a control unit configured to control amounts of the filaments to be supplied from each of the supply units to the ejection unit. The supply units are configured to supply the filaments of different colors to the ejection unit, respectively, and the control unit is configured to control the amounts of the filaments to be supplied from each of the supply units to the ejection unit, thereby adjusting a color of the mixed resin that is to be ejected by the ejection unit.

What is claimed is: 
     
         1 . An apparatus for forming a three-dimensional object configured to form a three-dimensional object by a fused deposition modeling method, the apparatus comprising:
 a plurality of material resin supply units configured to supply a material resin, which is a resin to be used as a modeling material, respectively;   a mixed resin ejection unit configured to eject a mixed resin, which is a resin obtained by mixing the material resins to be supplied from the plurality of material resin supply units; and   a resin supply control unit configured to control amounts of the material resins to be supplied from each of the plurality of material resin supply units to the mixed resin ejection unit,   wherein the plurality of material resin supply units is configured to supply the material resins of different colors to the mixed resin ejection unit, respectively; and   wherein the resin supply control unit is configured to control the amounts of the material resins to be supplied from each of the plurality of material resin supply units to the mixed resin ejection unit, thereby adjusting a color of the mixed resin that is to be ejected by the mixed resin ejection unit.   
     
     
         2 . The apparatus for forming a three-dimensional object according to  claim 1 , wherein the material resin is a thermoplastic resin,
 the mixed resin ejection unit comprises:
 a heater unit configured to heat the material resins to be supplied from each of the material resin supply units; 
 a resin mixing unit configured to mix the material resins heated by the heater unit, thereby generating the mixed resin; and 
 a nozzle configured to eject the mixed resin generated at the resin mixing unit, and 
   the mixed resin is ejected from the nozzle, thereby foiming the three-dimensional object.   
     
     
         3 . The apparatus for foaming a three-dimensional object according to  claim 1 , wherein
 the resin supply control unit is configured to control the amounts of the material resins to be supplied to the mixed resin ejection unit, so that a total amount of the material resins to be supplied from the plurality of material resin supply units to the mixed resin ejection unit is matched with a preset supply amount.   
     
     
         4 . The apparatus for forming a three-dimensional object according to  claim 2 , wherein
 the resin supply control unit is configured to control the amounts of the material resins to be supplied to the mixed resin ejection unit, so that a total amount of the material resins to be supplied from the plurality of material resin supply units to the mixed resin ejection unit is matched with a preset supply amount.   
     
     
         5 . The apparatus for forming a three-dimensional object according to  claim 1 , wherein
 the apparatus comprises the plurality of material resin supply units configured to supply the material resins of respective colors of at least yellow, magenta, cyan and black.   
     
     
         6 . The apparatus for forming a three-dimensional object according to  claim 5 , further comprising:
 the material resin supply unit configured to supply the material resin of a white color.   
     
     
         7 . The apparatus for forming a three-dimensional object according to  claim 5 , further comprising:
 the material resin supply unit configured to supply the material resin of a clear color.   
     
     
         8 . The apparatus for forming a three-dimensional object according to  claim 1 , wherein
 each of the plurality of material resin supply units has a resin extrusion device configured to extrude the material resin towards the mixed resin ejection unit by a roller, and   wherein the resin supply control unit is configured to control rotation numbers of the rollers of the resin extrusion devices of the plurality of material resin supply units, thereby controlling the amounts of the material resins to be supplied from each of the plurality of material resin supply units to the mixed resin ejection unit.   
     
     
         9 . The apparatus for forming a three-dimensional object according to  claim 2 , wherein
 each of the plurality of material resin supply units has a resin extrusion device configured to extrude the material resin towards the mixed resin ejection unit by a roller, and   wherein the resin supply control unit is configured to control rotation numbers of the rollers of the resin extrusion devices of the plurality of material resin supply units, thereby controlling the amounts of the material resins to be supplied from each of the plurality of material resin supply units to the mixed resin ejection unit.   
     
     
         10 . The apparatus for forming a three-dimensional object according to  claim 3 , wherein
 each of the plurality of material resin supply units has a resin extrusion device configured to extrude the material resin towards the mixed resin ejection unit by a roller, and   wherein the resin supply control unit is configured to control rotation numbers of the rollers of the resin extrusion devices of the plurality of material resin supply units, thereby controlling the amounts of the material resins to be supplied from each of the plurality of material resin supply units to the mixed resin ejection unit.   
     
     
         11 . The apparatus for forming a three-dimensional object according to  claim 4 , wherein
 each of the plurality of material resin supply units has a resin extrusion device configured to extrude the material resin towards the mixed resin ejection unit by a roller, and   wherein the resin supply control unit is configured to control rotation numbers of the rollers of the resin extrusion devices of the plurality of material resin supply units, thereby controlling the amounts of the material resins to be supplied from each of the plurality of material resin supply units to the mixed resin ejection unit.   
     
     
         12 . A method for forming a three-dimensional object by a fused deposition modeling method, the method using:
 a plurality of material resin supply units configured to supply a material resin, which is a resin to be used as a modeling material, respectively; and   a mixed resin ejection unit configured to eject a mixed resin, which is a resin obtained by mixing the material resins to be supplied from the plurality of material resin supply units,   the plurality of material resin supply units being configured to supply the material resins of different colors to the mixed resin ejection unit, respectively,   the method comprising:
 controlling amounts of the material resins to be supplied from each of the plurality of material resin supply units to the mixed resin ejection unit, thereby adjusting a color of the mixed resin that is to be ejected by the mixed resin ejection unit.