Three-dimensional object manufacturing apparatus and control method for the same

1. A three-dimensional object manufacturing apparatus, comprising:

a mounting unit having a mounting surface on which a three-dimensional object being manufactured is mounted;

a separator configured to separate the three-dimensional object from the mounting unit;

a plurality of ink jet heads configured to discharge ink droplets to form the three-dimensional object;

a separation roller configured to move at least one of the three-dimensional object remaining on the mounting surface and the separator, so as to prompt the three-dimensional object remaining on the mounting surface and the separator are to be placed in a predetermined position after the manufacturing of the three-dimensional object is completed, wherein the three-dimensional object on the mounting surface and the separator are moved to arrive at a separating position at which the three-dimensional object is separated by the separator; and

a controller that controls the separation roller,

wherein the separator comprises a cutting portion that partly cuts the three-dimensional object to separate the three-dimensional object from the mounting surface,

the plurality of ink jet heads discharges the ink droplets and forms the three-dimensional object that is integrally formed of a body, a separation layer and a support material, wherein the separation layer is interposed between the mounting surface and the body, and the support material supports the body during the manufacturing of the three-dimensional object and is removed after the manufacturing of the three-dimensional object, and

the plurality of ink jet heads discharge a same ink for forming the separation layer and the support material so that a material of the separation layer and a material of the support material are the same.

2. The three-dimensional object manufacturing apparatus according to claim 1 , wherein

the cutting portion cuts the three-dimensional object in a manner that a cut surface of the three-dimensional object is substantially parallel to the mounting surface, and

the controller controls the separation roller so as to move the three-dimensional object and the cutting portion relative to each other and have the cutting portion cut the three-dimensional object.

3. The three-dimensional object manufacturing apparatus according to claim 2 , wherein materials of the cutting portion include at least one selected from a stainless steel, a plastic, a steel, and a diamond.

4. The three-dimensional object manufacturing apparatus according to claim 1 , wherein a manufacturing position at which the three-dimensional object is manufactured and the separating position are different positions, and

the controller controls the separation roller so as to move the three-dimensional object from the manufacturing position to the separating position after the manufacturing of the three-dimensional object is completed.

5. The three-dimensional object manufacturing apparatus according to claim 2 , wherein a manufacturing position at which the three-dimensional object is manufactured and the separating position are different positions, and

the controller controls the separation roller so as to move the three-dimensional object from the manufacturing position to the separating position after the manufacturing of the three-dimensional object is completed.

6. The three-dimensional object manufacturing apparatus according to claim 1 , wherein the mounting unit is an endless belt.

7. The three-dimensional object manufacturing apparatus according to claim 2 , wherein the mounting unit is an endless belt.

8. The three-dimensional object manufacturing apparatus according to claim 1 , further comprising:

a collecting unit that collects the three-dimensional object separated from the mounting unit; and

a collection guiding unit, wherein

the collection guiding unit is disposed at a position between the separating position and the collecting unit, and

the collecting unit is disposed at a position on a vertically lower side than the separating position relative to the mounting surface.

9. The three-dimensional object manufacturing apparatus according to claim 2 , further comprising:

a collecting unit that collects the three-dimensional object separated from the mounting unit; and

a collection guiding unit, wherein

the collection guiding unit is disposed at a position between the separating position and the collecting unit, and

the collecting unit is disposed at a position on a vertically lower side than the separating position relative to the mounting surface.

10. The three-dimensional object manufacturing apparatus according to claim 6 , wherein

the mounting unit is structured to have a plurality of the three-dimensional objects mounted on the mounting surface,

the manufacturing position and the separating position are different positions, and

the controller controls the separation roller so as to locate the mounting surface on which one of the three-dimensional objects is mounted at the manufacturing position by the time when the separation of another one of the three-dimensional objects is completed after arriving at the separating position.

11. The three-dimensional object manufacturing apparatus according to claim 7 , wherein

the mounting unit is structured to have a plurality of the three-dimensional objects mounted on the mounting surface,

the manufacturing position and the separating position are different positions, and

the controller controls the separation roller so as to locate the mounting surface on which one of the three-dimensional objects is mounted at the manufacturing position by the time when the separation of another one of the three-dimensional objects is completed after arriving at the separating position.

12. The three-dimensional object manufacturing apparatus according to claim 2 , wherein a part of the three-dimensional object cut by the cutting portion is a separation layer interposed between a body of the three-dimensional object to be separated and the mounting surface.

13. A control method, for a three-dimensional object manufacturing apparatus that includes:

a mounting unit having a mounting surface on which a three-dimensional object being manufactured is mounted;

a separator configured to separate the three-dimensional object from the mounting unit;

a plurality of ink jet heads configured to discharge ink droplets to form the three-dimensional object; and

a separation roller configured to move at least one of the three-dimensional object on the mounting surface and the separator, so as to prompt the three-dimensional object remaining on the mounting surface and the separator are to be placed in a predetermined position,

the control method comprising:

controlling the separation roller so as to move the three-dimensional object remaining on the mounting surface and the separator to a separating position at which the three-dimensional object is separated by the separator after the manufacturing of the three-dimensional object is completed,

wherein the separator comprises a cutting portion that partly cuts the three-dimensional object to separate the three-dimensional object from the mounting surface,

controlling the plurality of ink jet heads to discharge the ink droplets to form the three-dimensional object that is integrally formed of a body, a separation layer and a support material, wherein the separation layer is interposed between the mounting surface and the body, and the support material supports the body during the manufacturing of the three-dimensional object and is removed after the manufacturing of the three-dimensional object, and

controlling the plurality of ink jet heads to discharge a same ink for forming the separation layer and the support material so that a material of the separation layer and a material of the support material are the same.