KR101591572B1 - Three dimensional printer - Google Patents

Abstract

A plate on which a three-dimensional printed material is formed; And a first material discharging unit that rotates the upper portion of the plate around the first supporting member and discharges a material for forming the three-dimensional printed material in a shape having a plurality of blades, do.
According to the disclosed three-dimensional printer, it is possible to easily produce a stereoscopic print containing various colors.

Description

[0001] THREE DIMENSIONAL PRINTER [0002]

The present invention relates to a three-dimensional printer capable of forming a three-dimensional printed matter, and more particularly, to a three-dimensional printer capable of forming a three-dimensional printed matter in various colors.

Three-dimensional printing capable of forming a three-dimensional printed matter is a technique of generating a three-dimensional printed matter based on a three-dimensional drawing created using a CAD or 3D modeling program.

Such a three-dimensional printing technique can easily produce various types of three-dimensional printed materials without a separate mold, so that it can be applied to all industrial fields which are the basis of manufacturing products such as electric, electronic, mechanical, architectural, medical, automobile, It is expected that the application of fusion technology will be expanded.

Generally, the three-dimensional printing technology is largely divided into a method of laminating plastic-based solids one by one, a method of laminating a layer of powder or liquid and a method of cutting a large synthetic resin into a round shape, A lamination method in which one layer is laminated is mainly used.

Japanese Patent Application Laid-Open No. 10-0606457 (Three-Dimensional Printing Molding System) discloses a three-dimensional printing technique based on an additive type, but in the conventional three-dimensional printing technique, the case is limited to one or two types of three- Mostly, it is difficult to manufacture stereoscopic prints containing various colors.

An object of the present invention is to provide a three-dimensional printer capable of easily producing a stereoscopic print containing various colors.

A three-dimensional printer according to a preferred embodiment of the present invention includes: a plate on which a three-dimensional printed material is formed; And a first material discharging unit rotating the upper portion of the plate about the first supporting member and discharging the material for forming the three-dimensional printed material in a shape having a plurality of vanes.

Specifically, the first material discharging unit may include: a first material supply unit capable of mounting at least one material reservoir in each of the wings in a shape having a plurality of wings; And a first head portion located at a lower portion of the first material supply portion and configured to have a plurality of vanes and to receive material from at least one material reservoir of the first material supply portion and discharge the material through at least one head, .

In addition, the first head part is movable up and down along the first support member. The at least one head may move along an axis of the wing of the first head portion in which the head is located. Further, each of the at least one head can be finely moved vertically, horizontally, and back and forth, respectively.

In addition, the plate may move in a direction perpendicular to the wing of the first head portion located above the plate when the three-dimensional printed matter is formed by the first head portion.

The three-dimensional printer of the present invention comprises: a first expanding member which is extended by connecting ends of wings of the first head portion, which are positioned below the wings of the first material supplying portion, with wing ends of the first material supplying portion; And a position sensor unit for sensing a position of at least one of a blade of the first material supply unit and a blade of the first head unit.

Wherein the position sensor unit includes: a position signal generator having at least one position signal generation sensor mounted therein; And a position signal detector for detecting a signal from the position signal generator.

In addition, the three-dimensional printer of the present invention is a three-dimensional printer comprising a second material discharging unit for discharging a material for forming the three-dimensional printed material in a shape having a plurality of blades, ; ≪ / RTI > The plate is positioned between the first support member and the second support member. Wherein the first material discharging unit and the second material discharging unit are rotated at the same time when the three-dimensional printed material is formed, and each wing of the first material discharging unit and each wing of the second material discharging unit are arranged on the plate Are alternately positioned.

According to the three-dimensional printer of the preferred embodiments of the present invention, a stereoscopic print containing various colors can be easily manufactured.

FIG. 1A is a front view of a three-dimensional printer according to a first embodiment of the present invention; FIG.
FIG. 1B is a plan view of a three-dimensional printer according to the first embodiment of the present invention shown in FIG. 1A; FIG.
Figs. 2A to 2C are diagrams illustrating wings of a three-dimensional printer according to a first embodiment of the present invention; Fig.
FIG. 3A is a front view of a three-dimensional printer according to a second embodiment of the present invention; FIG.
FIG. 3B is a plan view of the three-dimensional printer according to the second embodiment of the present invention shown in FIG. 3A; FIG.
FIGS. 4A to 4D illustrate examples of wings of a three-dimensional printer according to a second embodiment of the present invention;

Hereinafter, a three-dimensional printer according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

It should be understood that the following embodiments of the present invention are only for embodying the present invention and do not limit or limit the scope of the present invention. It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

1A and 1B respectively show a front view and a plan view of the three-dimensional printer 100 according to the first embodiment of the present invention. However, some configurations are omitted in Figs. 1A and 1B.

1A and 1B, the three-dimensional printer 100 according to the first embodiment of the present invention includes a plate PL on which a three-dimensional printed material is formed and a first support member 110 A first material discharging unit 140 for discharging a material for forming a three-dimensional printed material in the form of a propeller, which is a rotating body having a plurality of blades W141 and W142, ). Preferably, the first material discharging unit 140 is composed of two layers 141 and 142, and each of the layers 141 and 142 is a propeller-shaped rotating body having a plurality of blades W141 and W142 . Further, the first material discharging unit 140 is rotated in accordance with the rotation of the first supporting member 110. For this rotation, a portion of the first support member 110 preferably constitutes a rotatable rotation axis. The first supporting member 110 is connected to the second supporting member 120 provided at a position opposite to the first supporting member 110 with the plate PL interposed therebetween through the connecting member 130 do.

The three-dimensional printer 100 according to the first embodiment of the present invention is a three-dimensional printer 100 according to the first embodiment of the present invention in which the operation of each component of the three-dimensional printer 100, such as the first material discharging unit 140, the plate PL and the position sensor unit (Not shown) for controlling the display device.

The plate PL is mounted on a drive device DA and a drive support DS capable of moving on the base BS in the front-rear direction (Y-axis direction) with respect to the relative direction on the front view of Fig. 1A, Direction.

Specifically, the first material discharging unit 140 preferably includes a first material supply portion 141 and a first head portion 142.

The first material supply part 141 is a propeller shape having a plurality of blades W141 and at least one material storage ST is mounted on each of the blades W141 and connected to the material storage ST (HD) material of the first head portion 142 through a passage (not shown), each head HD including at least one nozzle.

The first head portion 142 is a propeller in the form of a propeller having a plurality of blades W142 located below the first material supply portion 141 and having at least one material And supplies the material from the reservoir ST and discharges the material through the at least one head HD. For reference, the meaning of 'ejection' of the present invention implies the meaning of 'injection' and the like, and is used as a concept of sending out the material from the inside to the outside. The number of heads HD provided for each of the wings W142 of the first head portion 142 is larger than the number of the first material supplying portions 141 located at the upper portion of the corresponding wing W142 of the first head portion 142 The number of the material storage ST installed on the wing W141 of the wing W141 is preferably equal to the number of the material storing units ST mounted on the wing W141. In other words, one head (HD) is assigned to one material storage ST to supply the material. In addition, it can be seen that materials of stereoscopic prints of different colors can be stored for each material storage ST, and stereoscopic prints of various colors can be manufactured.

Or the material storage ST mounted on the wing W141 of the first material supply part 141 located above the corresponding wing W152 of the first head part 142 are mixed with each other, The head HD of the head portion 142 can be designed to supply the material. In this case, the number of heads HD provided for each blade W142 of the first head portion 142 is larger than the number of heads HD provided for the first material supply portion 141 may be different from the number of material storage STs mounted on the wing W141 of the wing W141. That is, the number of heads HD provided for each blade W142 of the first head portion 142 is greater than the number of the first material supplying portion 141 The number of the material storage ST installed in the wing W141 of the wing W141 may be smaller.

A plurality of heads (HD) are connected from one material reservoir (ST) mounted on a corresponding wing (W141) of a first material supply part (141) positioned above the corresponding wing (W142) of the first head part (142) The number of the heads HD provided for each of the wings W142 of the first head portion 142 is set to be equal to the number of the wings W142 of the first head portion 142 May be larger than the number of material storage units (ST) mounted on the wing (W141) of the one material supply unit (141).

Although the wings W141 and W142 of the first material supply unit 141 and the first head unit 142 are shown as eight in FIG. 1B, the number of the wings W141 and W142 may vary according to the user's needs Of course.

The first head portion 142 is vertically movable along the first support member 110 and reaches the ejection height for forming a three-dimensional printed matter on the plate PL, or returns to the original position after completion of printing . The first head portion 142 may be vertically moved for each of the wings W142 of the first head portion 142 but may be moved up and down simultaneously with all the wings W142 of the first head portion 142 Control. For the upward and downward movement of the wing W142 of the first head portion 142, the first support member 110 preferably includes a drive support (not shown). When the first head portion 142 is moved up and down along the first support member 110, it is not necessary to necessarily move the first material supply portion 141 up and down.

Each of the heads HD of the first head portion 142 is moved along the axis of the blade W142 on which the head HD is located, that is, on the front view of FIG. . ≪ / RTI > At this time, the other head HD provided in the blade W142 in which the corresponding head HD is located may also be controlled to move along the X axis at the same time. Further, each of the heads HD of the first head portion 142 , It is mounted on a block for fine movement and can be finely moved vertically, horizontally, and back and forth, and can be positioned at an accurate discharge position. At this time, the other head (HD) provided in the blade (W142) where the head (HD) is located can also be controlled to move at a fine speed.

The three-dimensional printer 100 according to the first embodiment of the present invention is configured such that the ends of the wings W142 of the first head portion 142 located below the wings W141 of the first material supply portion 141, And a first expansion member 160 extending from the end of the wing W141 of the first material supply unit 141 to extend. The wings W141 of the first material supply portion 141 and the wings W142 of the first head portion 142 are fixed by the first expansion member 160 so that the rotation of the wings W141 of the first material supply portion 141 and the rotation of the wings W142 So that the up-and-down movement can be performed more stably. The first extension member 160 also has a drive support (not shown) for up-and-down movement of the wing W 142 of the first head portion 142.

The wings W141 of the first material supply unit 141 and the wings W142 of the first head unit 142 are preferably configured to have wings symmetrical about the first support member 110 Do.

The three-dimensional printer 100 according to the first embodiment of the present invention is provided with a position sensing the position of the wing W141 of the first material supply portion 141 and / or the wing W142 of the first head portion 142, And a sensor unit (not shown).

The position sensor portion may be implemented by various methods. The wings W141 of the first material supply unit 141 and / or the wings W142 of the first head unit 142, which are desired by the image processing, are obtained after the image of the first head unit 142 is acquired by using a camera, It can be determined whether or not the wing W142 is positioned at a desired position.

Another position sensor unit includes a position signal generating unit having a position signal generating sensor provided for at least one wing W141 of the first material supply unit 141 or each wing W142 of the first head unit 142, And a position signal detector for detecting a signal from the signal generator.

Specifically, there is a method of using a light emitting element as a position signal generation sensor and a light receiving element as an element for detecting a signal. That is, the position sensor unit includes a light emitting element unit including at least one light emitting element provided for each of the wings W141 of the first material supply unit 141 and / or the wings W142 of the first head unit 142, And a light receiving element for receiving light from the light emitting element.

A method of mounting at least one light emitting element for each of the wings W141 of the first material supply portion 141 and the wings W142 of the first head portion 142 may be a method of mounting the light emitting element on the first support member 110 W141, and W142) may be mounted. As another mounting method of the light emitting device, there may be a method of mounting the corresponding light emitting device for each of the wings W141 and W142 in the first extending member 160. [ Or both the former and latter methods. When the wings W141 of the first material supply unit 141 and / or the wings W142 of the first head unit 142 are rotated, the light from the light emitting element allocated to each of the wings W141 and W142 moves to a predetermined position The wings W141 and W142 arrive at the light-receiving element of the light-receiving element portion and are detected, so that the position of the wings W141 and W142 can be controlled by the control portion.

The number of the light receiving elements of the light receiving element portion need not be plural but can be fixedly mounted at a predetermined position of the base (BS).

In addition, since the light receiving element and the light emitting element are paired with each other, the position sensor can operate in the same manner even if the light emitting element is mounted at the position of the light receiving element at the position of the light emitting element .

2A to 2C show exemplary views of wings of a three-dimensional printer 100 according to a first embodiment of the present invention.

2A to 2C will be briefly described below. 2A shows that the first material supply unit 141 and the first head unit 142 have four wings W141 and W142 respectively and the wings W141 and W142 are connected to the other wings W141 and W142 It can be seen that it is symmetrical. 2B shows that the first material supply part 141 and the first head part 142 have three wings W141 and W142 respectively and only a pair of wings W141 and W142 are symmetrical . 2C, it can be seen that the first material supply unit 141 and the first head unit 142 have two wings W141 and W142, respectively, which are perpendicular to each other.

As can be seen from Figs. 1A, 1B and 2A to 2C, the blades W141 and W142 of the three-dimensional printer 100 according to the first embodiment of the present invention can be arranged by various methods.

The operation of the three-dimensional printer 100 according to the first embodiment of the present invention described above will be described below again.

The wings W141 and W142 of the first material discharging unit 140 on which the material storage ST is stored by rotating the entire first material discharging unit 140 are disposed on the plate And controls the plate PL to move in the Y-axis direction to move to the desired position. Next, the wing W142 of the first head portion 142 on which the material storage ST of the desired color is stored is positioned at the desired height by the up-and-down movement (Z-axis direction) , The head HD is moved to the desired position by the left and right movement (X-axis direction) along the wing W142, and the precision of the position is improved by fine adjustment.

Consequently, the three-dimensional stereoscopic print is precisely controlled and discharged by the material discharge in the head (HD) connected with the material storage ST containing the material of the color desired by the user.

3A and 3B respectively show a front view and a plan view of the three-dimensional printer 200 according to the second embodiment of the present invention. However, some configurations are omitted in FIGS. 3A and 3B.

3A and 3B, the three-dimensional printer 200 according to the second embodiment of the present invention includes all the components of the three-dimensional printer 100 according to the first embodiment of the present invention have.

In the three-dimensional printer 200 according to the second embodiment of the present invention, the upper portion of the plate PL is rotated about the second support member 220 by a rotary actuator (not shown), and a plurality of blades And a second material discharge unit (250) for discharging a material for forming a three-dimensional printed matter in a propeller shape, which is a rotating body having a plurality of wirings (W251, W252). Preferably, the second material discharging unit 250 is composed of two layers 251 and 252, and each of the layers 251 and 252 is a propeller-shaped rotator having a plurality of blades W251 and W252 . In addition, it is preferable that a part of the second support member 220 also constitutes a rotatable rotation axis like the first support member 210.

In addition, it is preferable that the plate PL is positioned between the first support member 210 and the second support member 220.

The control unit (not shown) of the three-dimensional printer 200 according to the second embodiment of the present invention includes a first material discharging unit 240, a second material discharging unit 250, a plate PL, And controls the operation of each component of the three-dimensional printer 200 (not shown).

Specifically, in the three-dimensional printer 200 according to the second preferred embodiment of the present invention, when the three-dimensional printed matter is formed, the first material discharging unit 240 and the second material discharging unit 250 simultaneously rotate, The wings W241 and W242 of the first material discharging unit 240 and the wings W251 and W252 of the second material discharging unit 250 are alternately arranged on the plate PL .

In other words, the three-dimensional printer 200 according to the second preferred embodiment of the present invention is provided with the two material discharging units 240 and 250, so that it is possible to provide a larger number of blades, Dimensional three-dimensional printing of the three-dimensional image.

Specifically, the second material discharging unit 250 preferably includes a second material supplying unit 251 and a second head unit 252.

Similarly to the first material supply unit 241, the second material supply unit 251 is a propeller-type rotator having a plurality of blades W251. At least one material storage ST is mounted on each of the blades W251 And supplies the material to the head HD of the second head portion 252 through a passage (not shown) connected to the material reservoir ST, each head HD including at least one nozzle.

The second head portion 252 is a propeller which is located at a lower portion of the second material supplying portion 251 and is a rotating body having a plurality of blades W251 and W252, And supplies the material through the at least one head (HD). The number of heads HD provided for each wing W252 of the second head portion 252 is larger than that of the second material supplying portion 251 located at the upper portion of the wing W252 of the second head portion 252 The number of the material storage units ST mounted on the wing W251 of the wing W251 is preferably equal to the number of the material storage units ST mounted on the corresponding wing W251. In other words, one head (HD) is assigned to one material storage ST to supply the material. In addition, it can be seen that it is possible to manufacture stereoscopic prints of various colors by storing materials of stereoscopic prints of different colors for each material storage ST.

Or the material storage ST mounted on the wing W251 of the second material supply portion 251 located above the wing W252 of the second head portion 252 are mixed with each other, 2 head HD of the head portion 252. In this case, In this case, the number of heads HD provided for each blade W252 of the second head portion 252 is larger than that of the second material supplying portion 251 may be different from the number of material storage STs mounted on the wing W251 of the wing 251. That is, the number of heads HD provided for each blade W252 of the second head portion 252 is greater than the number of the second material supplying portion 251 located at the upper portion of the blade W252 of the second head portion 252 The number of the material storage ST installed in the wing W251 of the wing W251 may be smaller.

In addition, a plurality of heads (HDs) 252 are provided from one material reservoir ST mounted on the corresponding wing W251 of the second material supply portion 251 located above the corresponding wing W252 of the second head portion 252, The number of heads HD provided for each of the wings W252 of the second head 252 is set to be equal to the number of the wings W252 of the second head 252 2 may be larger than the number of material storage STs mounted on the wing W251 of the material supply unit 251. [

3A and 3B, the wings W241 and W242 of the first material supply portion 241 and the first head portion 242 and the wings W251 and W252 of the second material supply portion 251 and the second head portion 252, The number of the wings W241, W242, W251, and W252 may be variously designed according to the needs of the user.

The second head portion 252 can move up and down along the second support member 220 to reach the ejection height for forming a stereoscopic print on the plate PL or to return to the original position . The second head portion 252 may be moved up and down independently for each of the wings W252 of the second head portion 252 but the wings W252 of the second head portion 252 may be simultaneously moved up and down . In order to move up and down the wings W252 of the second head portion 252, the second support member 220 preferably includes a drive support (not shown). Up and down movement of the second material supply portion 251 is not necessarily required when the wing W252 of the second head portion 252 moves up and down.

It goes without saying that it is also possible to control the wings W242 and W252 of the first head portion 242 and the second head portion 252 to move up and down simultaneously.

Each of the heads HD of the second head portion 252 can be controlled to move along the axis of the wing W252 at which the head HD is located, that is, to move left and right. At this time, another head HD provided in the wing W252 in which the corresponding head HD is located is also controlled to move along the axis of the wing W252 at the same time. In addition, each of the heads HD of the second head portion 252 is mounted on a block for fine movement and can be finely moved vertically, horizontally, backward and forward, and can be positioned at an accurate discharge position. At this time, another head (HD) provided in the wing (W252) in which the head (HD) is located can also be controlled to move finely at the same time.

The three-dimensional printer 200 according to the second embodiment of the present invention is configured such that the end of the wing W252 of the second head portion 252 located below each of the wings W251 of the second material supply portion 251, And a second expansion member 270 extending from the end of the wing W251 of the second material supply unit 251 to extend. That is, the wings W251 of the second material supply unit 251 and the wings W252 of the second head unit 252 are fixed to the second expansion member 270, so that the rotation can be more stably performed. The second extension member 270 may also be provided with a drive support (not shown) for up and down movement of the wing W252 of the second head portion 252.

The vanes W251 of the second material supply portion 251 and the vanes W252 of the second head portion 252 are provided with vanes W251 and W252 symmetrical about the second support member 220 .

The three-dimensional printer 200 according to the second embodiment of the present invention is provided with a position sensing the position of the wings W242 of the first head portion 242 and / or the wings W252 of the second head portion 252, And may further include a sensor unit (not shown).

The position sensor portion may be implemented by various methods. For example, after capturing an image of the first material discharging unit 240 and / or the second material discharging unit 250 using a camera, the image of the wing of the first material discharging unit 240 W241, W242) and / or the vanes W251, W252 of the second material discharge unit 250 are located at desired positions.

Another position sensor unit includes a position signal generator having at least one position signal generation sensor provided for each of the vanes W241, W242, W251 and W252, and a position signal detector for detecting a signal from the position signal generator Can be implemented.

Specifically, there is a method of using a light emitting element as a position signal generation sensor and a light receiving element as an element for detecting a signal. That is, the position sensor unit may include a light emitting element portion including at least one light emitting element provided for each of the vanes W241, W242, W251, and W252, and a light receiving element portion for receiving light from the light emitting element portion.

A method of mounting at least one light emitting element for each of the vanes W241, W242, W251 and W252 includes the steps of applying the vanes W241, W242, W251 and W252 to the first support member 210 and the second support member 220, W242, W251, and W252 at positions corresponding to the positions of the vanes W1, W2, W2, and W2. In another mounting method of the light emitting device, the wings W241, W242, W244 are provided at positions corresponding to the positions of the vanes W241, W242, W251, W252 on the first and second expansion members 260, W251, and W252) may be used. Or both the former and latter methods. When the blades W241, W242, W251 and W252 are rotated, the light from the light emitting element assigned to each of the blades W241, W242, W251 and W252 reaches each of the wings W241, W242, W251 and W252 at a predetermined position And reaches the light receiving element of the light receiving element portion, so that the position of the correct vanes (W241, W242, W251, W252) can be controlled by the control portion.

The light receiving element of the light receiving element part is arranged at a predetermined position of the base BS for the wings W241 and W242 of the first material discharging unit 240 and / or for the wings W251 and W252 of the second material discharging unit 250 At least one of which can be fixedly mounted.

In addition, since the light receiving element and the light emitting element are paired with each other, the position sensor can operate in the same manner even if the light emitting element is mounted at the position of the light receiving element at the position of the light emitting element .

The angle formed by the wings W241 and W242 of the first material discharging unit 240 and / or the vanes W251 and W252 of the second material discharging unit 250 can be more accurately controlled by the position sensor unit .

Figs. 4A to 4D show exemplary views of wings of the three-dimensional printer 200 according to the second embodiment of the present invention.

4A to 4D will be briefly described. 4A shows the wings W241 and W242 of the first material supply unit 241 and the first head unit 242 and the wings W251 and W252 of the second material supply unit 251 and the second head unit 252 ) Are provided for each of the three units. Next, Figs. 4B and 4C show a state in which the wings W241 and W242 of the first material supply portion 241 and the first head portion 242, and the wings of the second material supply portion 251 and the second head portion 252 (W251, W252) are two each, which are perpendicular and 120 degrees, respectively. 4D shows the wings W241 and W242 of the first material supply portion 241 and the first head portion 242 and the wings W251 and W252 of the second material supply portion 251 and the second head portion 252, Each of which is 180 degrees.

As can be seen from FIGS. 3A, 3B and 4A to 4D, the wings of the three-dimensional printer 200 according to the second embodiment of the present invention can be arranged by various methods.

The operation of the three-dimensional printer 200 according to the second embodiment of the present invention will be described again.

First, the first material discharging unit 240 or the second material discharging unit 250 on which the material storage ST stored with the color material desired by the user is rotated by rotating both the first material discharging unit 240 and the second material discharging unit 250 The wings W241, W242, W251 and W252 of the second material discharging unit 250 are controlled so as to be perpendicular to the plate PL and the plate PL is moved to the desired position in the Y axis direction. The wings W242 and W252 of the first head portion 242 or the second head portion 252 on which the material storage ST of the desired color is stored are moved up and down The head HD is moved to the desired position along the wings W242 and W252 by the left and right motion (X-axis direction), and the accuracy of the position is increased by fine adjustment do.

Consequently, the three-dimensional stereoscopic print is formed by the discharge of the material in the head (HD) connected to the material reservoir (ST) containing the material of the color desired by the user.

As described above, according to the three-dimensional printers 100 and 200 of the preferred embodiments of the present invention, a stereoscopic print containing various colors can be easily manufactured.

100, 200: 3D printer
110, 210: first support member 120, 220: second support member
130, 230: connecting member 140, 240: first material discharging unit
250: second material discharging unit 141, 241: first material supplying unit
142, 242: first head part 251: second material supply part
252: second head portion 160, 260: first expansion member
270: second expansion member
W141, W241, W142, W242, W251, W252:
ST: Material Storage HD: Head
PL: plate DA: drive device
DS: drive support BS: base

Claims (12)

A plate positioned at the top of the base and on which the three-dimensional printed material is formed; And
A first material discharging unit which rotates the upper portion of the plate around a first supporting member and discharges a material for forming the three-dimensional printed material in a shape having a plurality of blades; And
And a position sensor unit for sensing a position of at least one wing of the wing of the first material supply unit or the wing of the first head unit,
The first material discharging unit includes:
A first material supply portion capable of mounting at least one material reservoir in each of the wings, in a shape having a plurality of wings; And
And a first head portion located at a lower portion of the first material supply portion and configured to have a plurality of wings and to receive material from at least one material reservoir of the first material supply portion and to discharge the material through at least one head and,
The position sensor unit includes:
At least one light emitting element for each of the wings of the first material supply unit or the first head unit; And
And at least one light receiving element fixedly mounted at a predetermined position of the base. delete The method according to claim 1,
Wherein the first head part is movable up and down along the first support member. The method according to claim 1,
Wherein the at least one head comprises:
And the second head can move along an axis of the wing of the first head part in which the head is located. 5. The method of claim 4,
Each of the at least one head,
Wherein the three-dimensional printer is capable of finely moving up and down, right and left, and back and forth. 5. The method of claim 4,
The plate may comprise:
Wherein when the three-dimensional printed matter is formed by the first head portion, the first and second head portions are movable in a direction perpendicular to the wings of the first head portion located at the upper portion of the plate. The method according to claim 1,
The three-
And a first expansion member extending from the lower end of each of the wings of the first material supply unit and extending from the end of the wing of the first head unit to the wing end of the first material supply unit. printer. delete delete The method according to claim 1,
The three-
And a second material discharge unit for rotating the upper portion of the plate about the second support member and discharging a material for forming the three-dimensional print in a shape having a plurality of blades Dimensional printer. 11. The method of claim 10,
Wherein the plate is positioned between the first support member and the second support member. 12. The method of claim 11,
Wherein the first material discharging unit and the second material discharging unit are rotated at the same time when the three-dimensional printed material is formed, and each wing of the first material discharging unit and each wing of the second material discharging unit are arranged on the plate Wherein the first and second printers are located alternately.

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