JP2016060173A - Container and three-dimensional molding device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a container in which, even if the treatment of peeling a hardened matter hardened on the bottom face is repeatedly performed, the cured matter can be easily peeled from the bottom face.SOLUTION: Provided is a container 12 capable of storing a liquid at the inside, comprising: a translucent plate 12a-1; a bottom face 12a provided with a peeling layer 12a-2 formed at the upper face of the translucent plate 12a-1; and a wall face 12e erected in the edge side of the translucent plate. The bottom face 12a is bent when the cured matter cured on the bottom face 12a is peeled.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a container and a three-dimensional modeling apparatus, and more particularly to a container capable of storing a liquid and a three-dimensional modeling apparatus that produces a three-dimensional modeled object using the container.

  2. Description of the Related Art Conventionally, there is known a three-dimensional modeling apparatus that produces a three-dimensional modeled object using a liquid-state photocurable resin having a property of curing by irradiation with light such as visible light or ultraviolet light.

  As such a three-dimensional modeling apparatus, for example, a lifting and laminating structure method is used in which a three-dimensional modeling is performed by laminating a photocurable resin cured in a predetermined shape.

  In this suspended laminated structure method, a translucent plate is used on the bottom surface of a container that stores a photocurable resin in a liquid state, and a predetermined image is first irradiated by a projector or the like below the translucent plate. The photocurable resin is cured by a predetermined liquid layer thickness on the lower surface of the modeling object holding unit which is the foundation of the three-dimensional modeling object arranged in the lower surface of the modeling object holding unit. A cured layer is formed.

  Next, the cured layer cured between the lower surface of the modeled object holding unit and the translucent plate serving as the bottom surface of the container is peeled off from the translucent plate while being held in the modeled product holding unit, and a predetermined liquid layer thickness Only raise the model holding part.

  After that, a predetermined image is irradiated from the lower side of the translucent plate, and the cured layer held on the lower surface of the shaped article holding unit is further cured by curing the photocurable resin by a predetermined liquid layer thickness. Laminate the layers.

  And by repeating such operation | movement sequentially, the hardened layer of a photocurable resin is laminated | stacked, a three-dimensional modeling is performed, and a three-dimensional molded item will be produced.

According to such a three-dimensional modeling apparatus using the lifted laminated structure method, a hardened layer is formed based on an image to be irradiated, and a hardened layer having a desired shape is formed in order to perform three-dimensional modeling by stacking the formed hardened layers. Thus, a three-dimensional structure having a desired shape can be produced.

  Here, in such a three-dimensional modeling apparatus of the lifted laminated structure method, a container having a bottom surface formed of a translucent plate is used to store a liquid photocurable resin.

  In order to improve the releasability between the cured layer obtained by curing the stored photocurable resin and the translucent plate that forms the bottom surface of the container, this container has a surface in contact with the photocurable resin of the translucent plate (that is, The top surface is coated with a coating material such as silicone to form a release layer. In the specification of the present application, including the release layer formed on the light-transmitting plate, it is appropriately referred to as the bottom surface of the container.

  And in the three-dimensional modeling apparatus of the lifting laminated structure method, the cured layers are laminated to produce a three-dimensional structure, so that each cured layer is formed in a concentrated manner in a predetermined region on the bottom surface of the container. .

  Therefore, in the region where the hardened layer is concentrated and formed on the upper surface of the bottom surface of the container, the process of peeling the hardened layer from the bottom surface of the container is frequently performed, and thus the region is caused by the process of peeling the hardened layer. The load is repeatedly applied.

  For this reason, the load resulting from the process of peeling the cured layer is repeatedly applied to the release layer in the region where the hardened layer is concentrated, and thus the release layer (that is, the coating material for forming the release layer). ) Has deteriorated.

With such a deterioration of the release layer, the release function of the release layer is reduced, so that when the cured layer is peeled from the bottom surface of the container, the cured layer is not peeled off from the bottom surface of the container, and the shaping layer holds the cured layer. It has been pointed out as a problem that it peels off from the object holding part and fails to produce a three-dimensional structure.

For this reason, even if the process which peels the hardened | cured material hardened | cured on the bottom face of a container is performed repeatedly, the proposal of the container which can peel a hardened | cured material from the bottom face of a container easily was desired.

  Note that the prior art that the applicant of the present application knows at the time of filing a patent application is not an invention related to a known literature invention, and therefore there is no prior art document information to be described in the present specification.

  The present invention has been made in view of the above-mentioned demands of the prior art, and the object of the present invention is to easily perform the process of peeling the cured product cured on the bottom surface repeatedly. An object of the present invention is to provide a container capable of peeling a cured product from the bottom surface.

  Another object of the present invention is to provide a three-dimensional modeling apparatus using the container described above.

  In order to achieve the above object, a container according to the present invention is a container capable of storing a liquid therein, and includes a translucent plate, a bottom surface provided with a release layer formed on an upper surface of the translucent plate, and a translucent plate. The bottom surface is configured to bend when the cured product cured on the bottom surface is peeled off.

  In the container according to the present invention, the translucent plate is formed so as to have lower rigidity than the wall surface.

  The container according to the present invention is such that the thickness of the bottom surface coincides with the thickness of the wall surface or is thinner than the wall surface.

  In the container according to the present invention, the bottom surface is formed of a material having lower rigidity than the material forming the wall surface.

  In the container according to the present invention, the wall surface is formed of an elastic material.

  The container according to the present invention is such that the wall surface is provided with a bellows-shaped region in the container described above.

  In the container according to the present invention, the wall surface is formed in a bellows shape in the above-described invention.

  Further, the three-dimensional modeling apparatus according to the present invention projects an image on the photocurable resin from the bottom surface of the container storing the photocurable resin in a liquid state, and the three-dimensional modeled object arranged in the container. After a hardened layer having a predetermined liquid layer thickness is formed on the bottom surface of the modeled object holding means as the base, a new hardened layer is formed by raising the modeled object holding means by the predetermined liquid layer thickness. The container described above is used in a three-dimensional modeling apparatus that produces a three-dimensional model by laminating the cured layer of the photocurable resin by sequentially repeating the operation.

  Since the present invention is configured as described above, the cured product is easily peeled off from the bottom surface of the container even if the process for peeling the cured product from the bottom surface of the container is repeatedly performed. It has an excellent effect of being able to.

FIG. 1 is a schematic configuration explanatory diagram of a three-dimensional modeling apparatus including a container according to the present invention. FIG. 2A is a schematic configuration perspective view of a container according to the present invention, and FIG. 2B is a cross-sectional view taken along line AA in FIG. FIG. 3A is an enlarged view of the main part of FIG. 1 as viewed from an arrow I, and FIG. 3B is an explanatory view of the main part of the container according to the present invention. FIG. 4 is an explanatory view showing a state in which the container according to the present invention is bent. FIG. 5 is a graph showing the result of an experiment made by the present inventor.

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

  First, FIG. 1 shows a schematic configuration explanatory view in which a part of a three-dimensional modeling apparatus provided with a container according to the present invention is broken.

  The three-dimensional modeling apparatus 10 shown in FIG. 1 includes a container 12 that stores a liquid photocurable resin that is cured by irradiation with light such as visible light or ultraviolet light, and a bottom surface 12 a of the container 12 via a mirror 14. The projector 16 is configured to project an image, and a modeling object holding unit 18 that moves up and down in the vertical direction by driving a drive unit (not shown) and holds the photocurable resin cured in the container 12. ing.

The entire operation of the three-dimensional modeling apparatus 10 including a drive unit (not shown) that moves the model holding unit 18 up and down is controlled by the microcomputer 20.

  More specifically, the container 12 is a hollow substantially box-like body whose upper side is open, and wall surfaces 12b, 12c, 12d, and 12e are formed so as to surround the bottom surface 12a.

  That is, the container 12 is connected to the wall surface 12b erected at the front end of the bottom surface 12a, the wall surface 12c erected at the rear end of the bottom surface 12a, and the wall surfaces 12b and 12c. A wall surface 12d standing at the end and a wall surface 12e connected to the wall surfaces 12b and 12c and standing at the left end of the bottom surface 12a are configured (see FIG. 2A). .)

The container 12 stores the photocurable resin in a space formed by being surrounded by the bottom surface 12a and the wall surfaces 12b, 12c, 12d, and 12e.

  The bottom surface 12a includes a substantially square-shaped light-transmitting plate 12a-1 made of a highly transparent material such as acrylic resin, and silicone or the like on the upper surface 12a-1a of the light-transmitting plate 12a-1. And a release layer 12a-2 formed by coating the coating material (see FIG. 2B).

The release layer 12a-2 is formed in a region surrounded by the wall surfaces 12b, 12c, 12d, and 12e of the upper surface 12a-1a of the bottom surface 12a, and facilitates peeling of the cured layer formed on the upper surface 12a-2a. This is a layer formed for the purpose.

  The translucent plate 12a-1 has a lower rigidity than the wall surfaces 12b, 12c, 12d, and 12e, and is designed to be able to bend when the hardened layer is peeled from the bottom surface 12a.

In order to make the rigidity of the light-transmitting plate 12a-1 lower than the rigidity of the wall surfaces 12b, 12c, 12d, and 12e, for example, the light-transmitting material is made of a material having lower rigidity than the material that forms the wall surfaces 12b, 12c, 12d, and 12e. When the plate 12a-1 is formed, or when the transparent plate 12a-1 and the wall surfaces 12b, 12c, 12d, and 12e are formed of the same material, the thickness t ₁ of the transparent plate 12a-1 is walls 12b, 12c, 12d, as the thickness consistent with the thickness _{t 3} of 12e, or walls 12b, 12c, 12d, thinner design than the thickness _{t 3} of 12e Referring to (FIG. 2 (b). ).

The rigidity of the light transmitting plate 12a-1 and the rigidity of the wall surfaces 12b, 12c, 12d, and 12e are pulled in a direction orthogonal to the plane parallel to the light transmitting plate 12a-1 in the state where the container 12 is formed. It represents the degree of difficulty of deformation.

  The thickness of the light transmitting plate 12a-1 that can be bent when the hardened layer is peeled off from the bottom surface 12a means that the hardened layer is removed from the bottom surface 12a in a state where the wall surfaces 12ab, 12c, 12d, and 12e are formed. It is the thickness that the bottom surface 12a can bend when it is peeled off, and such a thickness is required to be an appropriate value by repeating experiments.

In the present embodiment, it is assumed that the thickness _{t 1} of the transparent plate 12a-1 is, the wall surface 12b, 12c, 12d, a case of less than the thickness _{t 3} of 12e will be described, the transparent plate 12a The thickness t _{1 of} −1 is 2 mm, for example.

The thickness _{t 2} of the release layer 12a-2 formed on the upper surface 12a-1a of the transparent plate 12a-1 is, for example, 3 mm.

  The wall surfaces 12b, 12c, 12d, and 12e are formed of a material having high translucency such as an acrylic resin and high rigidity in the same manner as the translucent plate 12a-1.

Wall 12b is thicker than the transparent plate 12a-1, the thickness _{t 3} is, for example, 5 mm (FIG. 2 (b), referring to FIG. 3 (a).).

  In addition, the wall surface 12b is provided with a region S1 formed in a bellows-like shape by a length L1 in the left-right direction at a substantially central position (see FIGS. 2A and 3A).

  The length L1 is such that when the region S1 is provided on the wall surface 12b and the region S2 (described later) is provided on the wall surface 12c, the translucent plate 12a-1 is separated from the bottom surface 12a. The length should be easy to bend.

In the region S1, and a mountain portion 12ba and valley portions 12bb is alternating formed within the width of the thickness _{t 3} of the wall surface 12b, the plate thickness T1 of the bellows portion in this region S1 is, for example, 0.5 mm (Refer to FIG. 3B).

Wall 12c, similar to the wall surface 12b, is formed thicker than the transparent plate 12a-1, are formed as a thickness _{t 3} (refer to FIG. 2 (b).).

  Further, the wall surface 12c is provided with a region S2 formed in a bellows shape in the left-right direction at a substantially central position (see FIGS. 2A and 3A).

The region S2 is a mountain portion 12ca and valley portions 12cb are formed alternately in the width of the thickness _{t 3} of the wall 12c, the plate thickness of the plate thickness T2 area S1 of the bellows portion in this region S2 T1 For example, 0.5 mm (see FIG. 3B).

Each wall 12d, 12e are wall 12b, similarly to 12c, are formed thicker than the transparent plate 12a-1, are formed as a thickness _{t 3} (refer to FIG. 2 (b).).

  The container 12 is disposed such that the bottom surface 12a is positioned on the opening 22ab formed on the top surface 22a of the base member 22. The wall surfaces 12d and 12e are fixed by the fixing members 40 and 42 disposed on the upper surface 22a of the base member 22. As a result, the container 12 is fixed to the base member 22.

In this manner, the photocurable resin is stored in the container 12 fixed on the base member 22, and a predetermined image is transmitted from the projector 16 disposed in the base member 22 to the photocurable resin via the mirror 14. It will be projected.

  The projector 16 is disposed in the base member 22 and projects an image based on the image data output from the microcomputer 20 onto the photocurable resin stored in the container 12 via the mirror 14. ing.

  The image projected from the projector 16 is a plurality of images representing each layer when the shape of the three-dimensional structure to be produced is divided in the horizontal direction into a plurality of layers.

Then, the projector 16 is controlled by the microcomputer 20 so as to project the plurality of images one layer at a time at regular intervals.

  The modeled object holding unit 18 is provided so as to be movable up and down in a vertical direction on a standing member 24 that is erected on the rear end 22aa of the upper surface 22a of the base member 22.

  And the modeling thing holding | maintenance part 18 will move to the upper side and the lower side in the front surface 24a of the standing member 24 by the drive of drive parts (not shown), such as a motor.

  In addition, the lower surface 18 a of the modeled object holding unit 18 is a base for holding the three-dimensional modeled object in close contact with the photocurable resin that is cured in the container 12.

The model object holding unit 18 is formed of, for example, a metal material such as aluminum, and the lower surface 18a is processed into a rough surface with minute irregularities in order to improve the adhesion of the cured photocurable resin. The

  In the above configuration, a case where a three-dimensional structure is produced by the three-dimensional structure forming apparatus 10 will be described.

  When a three-dimensional structure is produced by the three-dimensional structure forming apparatus 10, first, a plurality of image data representing each layer obtained by dividing the three-dimensional structure produced by the operator in the horizontal direction into a plurality of layers is micro-imaged. An input is made to the computer 20, and an operator (not shown) is operated to instruct the production of a three-dimensional structure.

  When the operator instructs the production of the three-dimensional structure, the production of the three-dimensional structure is started under the control of the microcomputer 20, and the image data input to the microcomputer 20 is output to the projector 16.

  Note that this image data is output from the microcomputer 20 to the projector 16 in order from the first layer of image data at regular intervals.

  Then, an image is projected from the projector 16 onto the photocurable resin stored in the container 12, and a cured layer having a predetermined liquid layer thickness is formed on the lower surface 18 a of the model object holding unit 18 based on the image. .

Next, the shaped article holding unit 18 is raised so that the cured layer is peeled off from the bottom surface 12a of the container 12, and the distance between the cured layer and the bottom surface 12a of the container 12 is equal to the predetermined liquid layer thickness. To.

  Here, when the hardened layer is peeled from the bottom surface 12 of the container 12, the modeled object holding part 18 is raised, but the hardened layer that is in close contact with the modeled object holding part 18 is also raised by the rising of the modeled object holding part 18. It will be. At this time, the bottom surface 12a of the container 12 that is in close contact with the hardened layer gradually protrudes upward with the hardened layer rising, with the region sandwiched between the regions S1 and S2 of the wall surfaces 12b and 12c as the center. (See FIG. 4).

  Thereafter, the bottom surface 12a in close contact with the hardened layer is gently peeled from the hardened layer by the restoring force of the deformed bottom surface 12a and the wall surfaces 12b and 12c. It becomes easy to peel a hardened layer from 12a (peeling layer 12a-2).

  That is, in the three-dimensional modeling apparatus 10 provided with the container according to the present invention, the force when peeling the hardened layer from the bottom surface 12a may be small as compared with the case where a conventional container that does not bend is used. Thus, the load applied to the bottom surface 12a when the hardened layer is peeled off is reduced.

And by reducing the load applied to the bottom surface 12a at the time of peeling of the cured layer, the load applied to the release layer 12a-2 that is in direct contact with the cured layer on the bottom surface 12a is reduced, and the release layer 12a-2 Deterioration is also suppressed.

  Thereafter, image data of the next layer of the cured layer is output from the microcomputer 20 to the projector 16, and an image based on the image data of the next layer of the cured layer is stored in the container 12 from the projector 16. Project to.

By repeating such an operation, a new hardened layer is formed on the lower side of the hardened layer to produce a three-dimensional structure.

  Here, in the three-dimensional modeling apparatus 10 including the container according to the present invention and the three-dimensional modeling apparatus including a container that does not bend according to the conventional technique, peeling when the hardened layer is peeled from the bottom surface of the container. The results of experiments conducted by the inventor of the present application will be described.

  The three-dimensional modeling apparatus 10 including the container according to the present invention has a translucent plate thickness of 2 mm, a release layer thickness of 3 mm, four wall thicknesses of 5 mm, a front wall surface and a rear side. A container having a bellows-like region provided on its wall surface was used.

In addition, the three-dimensional modeling apparatus equipped with the container according to the prior art has a translucent plate thickness of 5 mm, a release layer thickness of 3 mm, and four wall surfaces each having a thickness of 5 mm. A container without a formed region was used.

Furthermore, in this experiment, under the following experimental conditions, as a peeling force generated when the 120th cured layer was peeled from the bottom surface of the container, a motor (modeled object holding part) when the modeled object holding part 18 was raised was used. This is a motor for moving 18 in the vertical direction.

Model size: W130 × D70 × H20
Model pitch: 0.15mm
Irradiation time: 25 seconds

The molded article pitch corresponds to the above-described predetermined liquid layer thickness, and the irradiation time is a time for irradiating a predetermined image from the projector to the photocurable resin. The photocurable resin was added and replenished.

  FIG. 5 shows the result of an experiment by the present inventor. Here, in FIG. 5, the solid line indicates the change in torque value with respect to the elapsed time after the start of peeling of the cured layer in the three-dimensional modeling apparatus 10 provided with the container according to the present invention, and the broken line is based on the conventional technique. The change of the torque value with respect to the elapsed time after the peeling start of the hardened layer in the three-dimensional modeling apparatus provided with the container which does not bend is shown.

  As shown in FIG. 5, in the three-dimensional modeling apparatus 10 provided with the container according to the present invention, the torque value shows a waveform indicating the peak value around 40 mN · m a plurality of times, and the maximum torque value is 42 mN · m. On the other hand, the three-dimensional modeling apparatus equipped with the container according to the conventional technique shows a waveform in which the peak value of the torque value increases as time elapses, and the maximum torque value is 90 mN immediately before completely removing the cured layer.・ It was m.

  Thus, it was shown that the maximum torque value can be significantly suppressed in the three-dimensional modeling apparatus 10 including the container according to the present invention as compared with the three-dimensional modeling apparatus including the container according to the conventional technique. .

  That is, from these experimental results, the three-dimensional modeling apparatus 10 provided with the container according to the present invention is cured by a smaller peeling force than the three-dimensional modeling apparatus provided with a container that does not bend according to the conventional technique. It was shown that the layer can be peeled from the bottom of the container.

  That is, the three-dimensional modeling apparatus 10 provided with the container according to the present invention has a smaller force when the hardened layer is peeled off from the bottom of the container as compared with the three-dimensional modeling apparatus provided with the container according to the conventional technique. When the cured layer is peeled off from the bottom surface of the container, the load applied to the bottom surface of the container is reduced, and the cured layer is more easily peeled off.

For this reason, the three-dimensional modeling apparatus 10 provided with the container according to the present invention has a bottom surface of the container 12 when the hardened layer is peeled, as compared with the three-dimensional modeling apparatus provided with a container that does not bend according to the conventional technique. The load applied to 12a is suppressed, and the deterioration of the release layer 12a-1 that is in direct contact with the hardened layer on the bottom surface 12a is suppressed.

As described above, in the three-dimensional modeling apparatus 10 according to the present invention, the container 12a is provided with the region S1 formed in the bellows shape on the wall surface 12b and the region S2 formed in the bellows shape on the wall surface 12b. The plate 12a-1 was formed thinner than the wall surfaces 12b, 12c, 12d, and 12e. Further, the thickness t ₁ of the transparent plate 12a-1, was capable of bottom 12a flexes thickness upon the release of the cured layer from the bottom 12a.

  Thereby, according to the three-dimensional modeling apparatus 10 provided with the container according to the present invention, the bottom surface 12a of the container 12 bends when the cured layer is peeled off from the bottom surface 12a of the container 12 during the production of the three-dimensional structure. It will be.

For this reason, according to the three-dimensional modeling apparatus 10 provided with the container according to the present invention, the bottom surface 12a is removed when the hardened layer is peeled, as compared with the three-dimensional modeling apparatus using the container that does not bend according to the conventional technique. Is reduced, the cured layer is easily peeled off, and the deterioration of the release layer 12a-1 in close contact with the cured layer is suppressed.

  The embodiment described above may be modified as shown in the following (1) to (9).

  (1) In the above-described embodiment, the wall surfaces 12b and 12c are provided with the regions S1 and S2 formed in a bellows shape, respectively. However, the present invention is not limited to this. Not only 12c but also the wall surfaces 12d and 12e may be provided with regions each formed in a bellows shape.

  Specifically, the wall surface 12d is provided with an area formed in a bellows shape by a length L1 in the front-rear direction at a substantially central position of the wall surface 12d. A region having a bellows shape corresponding to the length L1 may be provided.

  At this time, the fixing members 40 and 42 fix the container 12 at a position that does not hinder the bending of the bottom surface 12a without covering the region formed in the bellows shape on the wall surfaces 12b, 12c, 12d, and 12e. It will be.

  (2) In the above-described embodiment, the wall surfaces 12b and 12c are each provided with a bellows-like region having a length L1 in the left-right direction at a substantially central position of the wall surfaces 12b and 12c. Needless to say, the entire wall surface 12b may be formed in a bellows shape, and the entire wall surface 12c may be formed in a bellows shape.

  (3) In the above-described embodiment, the wall surfaces 12b, 12c, 12d, and 12e are formed of a highly rigid resin material such as acrylic resin, and the wall surfaces 12b and 12c are provided with regions formed in a bellows shape. Of course, this is not a limitation.

  That is, the wall surfaces 12b, 12c, 12d, and 12e may be made of a material such as a resin that exhibits elasticity. In this case, the wall surfaces 12b and 12c may not be provided with a bellows-like region. .

  (4) In the above-described embodiment, the translucent plate 12a-1 is formed of an acrylic resin. However, the present invention is not limited to this.

  That is, when the light curable resin is stored in the container 12 when the light transmissive property is high and the bottom surface 12a is thick enough to bend, the bottom surface 12a is opened by the weight of the light curable resin. The translucent plate 12a-1 may be formed of any material as long as it is a material that can satisfy the requirement of providing rigidity that does not bend toward the part side.

  (5) In the above-described embodiment, the projector 16 projects an image on the photocurable resin stored in the container 12 via the mirror 14. However, the present invention is not limited to this. Thus, the projector 16 may project an image onto the photocurable resin without passing through the mirror 14.

  (6) In the above-described embodiment, the region S1 formed in a bellows shape is provided at a substantially central position of the wall surface 12b, the region S2 formed in a bellows shape is provided in a substantially central position of the wall surface 12c, and the wall surface 12d. 12e is not provided with a bellows-shaped region, but it is of course not limited to this.

  That is, the bellows-like region provided at the approximate center of the wall surface may be formed on at least one of the wall surfaces 12b, 12c, 12d, and 12e.

  (7) In the above-described embodiment, each of the wall surfaces 12b and 12c is provided with only one region having the length L1 in the substantially central position, but the present invention is not limited to this. Of course.

  That is, a region formed in a bellows shape may be provided by being deviated to the right side or the left side from the substantially central position of the wall surfaces 12b and 12c, or on the right side and the left side of the substantially central position. An area formed in a bellows shape may be provided. In short, if the bottom surface 12a bends when the hardened layer is peeled, any position (one or a plurality of positions) of the wall surfaces 12b and 12c may be used. In addition, a region having an arbitrary length and a bellows shape may be provided.

  (8) In the above-described embodiment, the container 12 is a hollow, substantially box-shaped body having the bottom surface 12a formed in a rectangle and the upper side opened. However, the present invention is not limited to this. For example, the bottom surface 12a may be a triangle, a pentagon or more polygon, or a circular shape, and a wall surface may be erected on the edge of the bottom surface.

  (9) You may make it combine suitably the embodiment shown above and the modification shown in said (1) and (8).

  The present invention is suitable for use in a container for storing a liquid resin to be cured.

  DESCRIPTION OF SYMBOLS 10 3D modeling apparatus, 12 container, 12a bottom surface, 12b, 12c, 12d, 12e wall surface, 14 mirror, 16 projector, 18 modeling object holding part, 20 microcomputer, 22 base member, 24 standing member

Claims (8)

In a container that can store liquid inside,
A bottom surface comprising a translucent plate and a release layer formed on the upper surface of the translucent plate;
A wall surface erected on the edge of the translucent plate,
The bottom surface bends when the cured product cured on the bottom surface is peeled. The container according to claim 1,
The said translucent board is formed so that rigidity may become lower than the said wall surface. The container characterized by the above-mentioned. The container according to claim 2,
The container is characterized in that the thickness of the bottom surface coincides with the thickness of the wall surface or is thinner than the wall surface. The container according to claim 2,
The container is characterized in that the bottom surface is formed of a material having lower rigidity than a material forming the wall surface. The container according to any one of claims 2, 3 or 4,
The said wall surface is formed with the material which has elasticity. The container characterized by the above-mentioned. The container according to any one of claims 2, 3, 4 or 5,
The wall is provided with a region formed in a bellows shape. The container according to any one of claims 2, 3, 4 or 5,
The container is characterized in that the wall surface is formed in a bellows shape. An image is projected onto the photocurable resin from the bottom surface of the container that stores the photocurable resin in a liquid state, and is predetermined on the lower surface of the modeling object holding means that serves as the foundation of the three-dimensional modeling object disposed in the container. After the hardened layer of the liquid layer thickness is formed, the photocuring is performed by sequentially repeating the operation of raising the shaped article holding means by the predetermined liquid layer thickness and forming a new hardened layer. In a three-dimensional modeling apparatus that laminates a cured layer of a functional resin to produce a three-dimensional structure,
A three-dimensional modeling apparatus using the container according to any one of claims 1, 2, 3, 4, 5, 6, and 7.

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