JP3088044B2 - Method and apparatus for forming three-dimensional shape - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for forming a three-dimensional shape, and more particularly to a method for forming and manufacturing an article having a three-dimensional shape using a photocurable resin which is cured by irradiation of light. And a method and apparatus for performing the method.

[0002]

2. Description of the Related Art A method of forming a three-dimensional shape using a photocurable resin can easily and accurately form a complicated three-dimensional shape without using a molding die or a special processing tool. As a method, it has been considered to use it for manufacturing various product models and three-dimensional models. Specifically, for example, Japanese Patent Application Laid-Open Nos.
There are methods disclosed in, for example, JP-A-141724 and JP-A-60-247515.

FIG. 8 shows a specific example of a conventional method for forming a three-dimensional shape. The resin liquid tank 1 contains a photo-curable resin liquid 2. The table-shaped mounting member 4 moves up and down from below the liquid surface of the photocurable resin liquid 2 to above the liquid surface. Above the resin tank 1, a laser beam irradiation device 5 is provided. The laser beam irradiating device 5 includes an optical system such as a laser generator, a lens, and a reflecting mirror. The laser beam irradiating device 5 can irradiate the laser light R while scanning the liquid surface of the photo-curable resin liquid 2 in an arbitrary pattern. it can.

When the laser light R is irradiated on the liquid surface in a predetermined pattern in a state where the table surface of the mounting member 4 is arranged near the liquid surface of the photo-curable resin liquid 2, the irradiation pattern of the laser light R is changed. Therefore, the photocurable resin liquid 2 is photocured to form the photocurable layer m. When the mounting member 4 is sunk stepwise and the pattern irradiation of the laser beam R is repeated, a three-dimensional object M in which a plurality of photocured layers m are stacked is formed.

[0005] The uncured photocurable resin liquid remains on the surface of the three-dimensional object obtained by such a method. Therefore, it is necessary to remove the photocurable resin liquid attached to the surface of the resin molded product. In order to remove the photocurable resin liquid, a method has been considered in which a cleaning liquid such as an organic solvent is sprayed onto the surface of the resin molded article to wash it off. However, when a liquid having a function of dissolving the photocurable resin is used as the cleaning liquid, a problem occurs in that the surface of the resin molded product dissolves and the three-dimensional shape formed with care is lost. In order to solve such a problem, the present applicant has developed a method using a liquid containing water as a main component as a cleaning liquid, and has previously described a method disclosed in Japanese Patent Application No. 63-263772 (Japanese Patent Application Laid-Open No.
No. 11529).

In the conventional method of forming a three-dimensional shape, when the photocurable resin liquid is irradiated with light in a pattern by scanning with a laser beam or the like to form a photocurable layer, the photocurable resin is formed. Do not irradiate for a long time or intense light to cure completely. In addition, there are portions where the curing is insufficient compared with other portions between the scanning paths of the laser beam and between the stacked photocured layers. Therefore, after forming a three-dimensional object, the entire obtained three-dimensional object is collectively exposed or heated with an ultraviolet lamp or the like, so that the entire photocurable resin constituting the three-dimensional object is formed. Are cured to a final cured state. This method has an advantage that the shaping can be efficiently performed by scanning the laser beam at high speed, and at the same time, the integrity and mechanical strength of the entire final three-dimensional object can be increased.

Therefore, in the conventional method for forming a three-dimensional shape, a process of forming a three-dimensional shape by light irradiation, a process of removing a photocurable resin liquid remaining on the surface of the three-dimensional shape, and a process of forming the three-dimensional shape are performed. Three types of processes, that is, a batch curing process for completely curing the product, have been performed.

[0008]

However, in the above-described conventional method, the stereolithography step, the resin liquid removing step, and the collective curing step are performed by independent devices. There is a problem that it takes time and effort to transfer the shape, and the three-dimensional shape is deformed or damaged during the transfer operation.

This is because, as described above, the three-dimensional object at the stage obtained in the stereolithography process is not completely cured,
Since there is a partially uncured portion, it is relatively soft and weak, and easily deformed or broken when an external force is applied. Therefore, when the three-dimensional object in such a weak state is removed from the mounting member 4 or the like, which has been subjected to the optical molding process, and is moved to a place where the resin liquid removing process and the collective curing process are performed, this transfer operation is performed. There is a high possibility that the three-dimensional object is deformed or damaged. In particular, when the three-dimensional object is directly formed on the mounting member 4 or the like, the three-dimensional object is fixed to the surface of the mounting member 4 or the like quite strongly. Therefore, when the three-dimensional object is to be peeled off from the mounting member 4 or the like, an excessive force is applied, and the possibility that the three-dimensional object is damaged becomes extremely high.

In addition, every time the process from the optical shaping process to the resin liquid removing process and the batch curing process is performed, the work of transferring the three-dimensionally shaped object is performed, so that the work is extremely troublesome and the productivity is reduced. Become. Therefore, an object of the present invention is to provide a method for forming a three-dimensional shape as described above, without damaging or deforming the three-dimensionally shaped object formed in the optical shaping process, a resin liquid removing step and a batch curing step. It is to provide a method for efficiently performing the above. Another object of the present invention is to provide an apparatus for forming a three-dimensional shape used in such a method.

[0011]

According to a method for forming a three-dimensional shape according to the present invention, which solves the above-mentioned problems, a photocurable resin liquid is irradiated with light to form a photocurable layer. In a method of obtaining a desired three-dimensionally shaped object by stacking a plurality of layers, the three-dimensionally shaped object is formed on a mounting member, and the three-dimensionally shaped object after the optical shaping process is mounted on the mounting member, A resin liquid removing step of removing the photocurable resin liquid remaining on the surface of the formed three-dimensional object and a batch curing step of curing the entire three-dimensional object from which the resin liquid has been removed until the final stage. Do.

The basic method of forming a three-dimensional shape, that is, a method or a process of forming a layer of a resin liquid, irradiating light, or stacking a photocurable layer, that is, a so-called stereolithography process, is described above. Various methods similar to the ordinary method of forming a three-dimensional shape as disclosed in each conventional technique can be applied. As the photo-curable resin liquid, various types of photo-curable resins which are also used in a conventional three-dimensional shape forming method are used. Specific examples include urethane, urethane-acrylate, epoxy, and epoxy-acrylate-based photocurable resins.

In the stereolithography process, as described above, the table-shaped mounting member is submerged near the liquid surface of the photocurable resin liquid, and the liquid surface is irradiated with laser light to irradiate the liquid on the mounting member. A method in which a photocurable layer is formed on the mounting member by repeatedly forming the photocurable layer by irradiating laser light while gradually submerging the mounting member in the resin liquid, and stacking the photocurable layer on the mounting member. Other known optical shaping methods such as a method of forming a photo-cured layer by sequentially supplying a thin layer of a resin liquid onto a fixed mounting member are known. can do. The required configuration of the device differs depending on the difference in the optical shaping method, and the structure and operation of the mounting member also change.

As the resin liquid removing step, any conventionally known resin liquid removing method may be used as long as the resin liquid remaining on the surface of the formed three-dimensional shape can be removed satisfactorily. Can be. Specifically, for example, a method of spraying a cleaning liquid comprising an organic solvent, water, and other components onto the surface of the three-dimensionally shaped object, sinking the three-dimensionally shaped object into the cleaning liquid, and flowing or circulating the cleaning liquid. There is. The use of a water-based cleaning liquid as disclosed in JP-A-2-111529 as the cleaning liquid does not dissolve the photocurable resin constituting the three-dimensionally shaped product, and is a preferable method. Become. Further, instead of the cleaning liquid, fine solid particles can be sprayed onto the surface of the three-dimensionally shaped object to remove the resin liquid.

As the collective curing step, various conventionally known collective curing methods can be applied as long as the entire optically formed three-dimensional object can be cured to a final cured state. Specifically, curing by radiation such as irradiation with an ultraviolet lamp or curing by heating is performed. In the present invention, the resin liquid removing step and the collective curing step are performed while the three-dimensional object formed on the mounting member as described above is mounted on the mounting member. Therefore, the mounting member needs to be provided with a material or a shape structure capable of performing the processing in the resin liquid removing step or the batch curing step. For the three-dimensionally shaped object after the batch curing step, the subsequent steps may be performed with the mounting member mounted on the mounting member, or transferred from the mounting member to another transfer means and the like, and the subsequent processing may be performed. Can also.

[0016] The apparatus for carrying out the above Symbol methods such as
To explain . A mounting member for separately providing an optical shaping unit for performing the optical molding process, a resin liquid removing unit for performing the resin liquid removing process, and a collective curing unit for performing the collective curing process, and sequentially moving the mounting member to each processing unit. Make sure you have transportation
Can be.

The structures of the optical molding section, the resin liquid removing section, and the collectively curing section may be the same as those of a conventionally known ordinary three-dimensional shape forming apparatus. The mounting member moving means may move the mounting member in the horizontal direction or the vertical direction, and may move the mounting member to each of the processing units. Various moving mechanisms or transport mechanisms in a normal mechanical device, for example, , A screw mechanism, a cylinder mechanism, a conveyor mechanism, and the like. When each processing unit is aligned on a straight line, the mounting member moving means linearly moves the mounting member, and when each processing unit is aligned on the circumference, the mounting member is moved by the mounting member moving means. The structure of the placement member moving means and the movement state of the placement member are changed according to the arrangement state of each processing unit, such as by moving the placement member circumferentially.

When it is necessary to move the mounting member up and down in the optical shaping section, or to move the mounting member up and down to carry the three-dimensional object into the resin liquid removing section and the collectively curing section. In this case, the mounting member moving means
A mounting member elevating means can be provided. The stereolithography unit that performs the stereolithography process, the resin liquid removal unit that performs the resin liquid removal process, and the batch curing unit that performs the batch curing process are juxtaposed on a movable movable body, and are installed at fixed positions separately from the movable body. With respect to the placed vertically movable mounting member, each processing unit can be selectively arranged at the vertical position of the mounting member .

The moving body has a base shape on which at least a main part for performing processing on a three-dimensional object can be installed, and is provided by a normal moving mechanism or a transport mechanism used in various mechanical devices. , Are provided movably. The mounting member is provided to be able to move up and down, and the structural part to which the mounting member is attached is separate from the moving body,
It is fixed in place. The moving body moves so that each processing unit can be selectively arranged at a position where the mounting member moves up and down. If the optical shaping part is arranged at the elevating position of the mounting member, the optical shaping process can be performed, and if the resin liquid removing unit or the batch curing unit is arranged at the elevating position of the mounting member, the respective steps are similarly performed. .

Each of the processing units is provided with a structural part directly required for processing a three-dimensional object or a structural part that hinders the movement of another processing unit on a moving body. It is sufficient if there is a structural part of each processing unit that is fixedly installed separately from the moving body. Specifically, for example, in the optical molding unit, the resin liquid tank needs to be installed on the moving body, but the laser beam irradiation device is fixed at a position away from the moving path of each processing unit of the moving body. You just have to set it up. In the resin liquid removing section, the cleaning tank needs to be installed on the moving body, but a cleaning liquid supply device for supplying the cleaning liquid to the cleaning tank may be fixed and installed outside the moving body. However, in this case, the cleaning liquid supply device and the cleaning tank are connected by a flexible hose or the like so that the cleaning liquid can be supplied.

The device described below is a technical device of the present invention.
This is a reference technology that is out of range. Provided treatment tank with a temperature descending freely mounting member, in this treatment tank, stereolithography means for performing optical shaping process, the bulk curing means for performing resin liquid removal means and bulk curing step of performing resin liquid removing step Equipped,
Each process can be sequentially performed in the processing tank. In this apparatus, all the processes of the optical shaping process, the resin liquid removing process, and the collective curing process are performed in one processing tank. Therefore, the mounting member only needs to be moved up and down in the processing tank, and it is sufficient to provide the same operating mechanism as the mounting member that moves up and down in the resin liquid tank by a conventional ordinary stereolithography apparatus. The processing tank is capable of storing and discharging a resin liquid and a cleaning liquid. In addition, a laser light irradiation device and an ultraviolet irradiation lamp for batch curing are also provided. However, when performing the stereolithography process in the processing tank, supply the resin liquid to the processing tank, and when performing the resin liquid removal step in the processing tank, completely discharge the resin liquid and then supply the cleaning liquid, and collectively supply the cleaning liquid in the processing tank. When performing the curing step, each processing means is arranged so that the structure in the processing tank can be changed according to the processing content of each processing step, such as to make the three-dimensional shape exposed. deep. When the configuration of the processing tank is changed from the state for the stereolithography process to the state for the resin liquid removing step, the mounting member on which the three-dimensionally shaped object is placed is moved out of the processing tank, and the conversion work in the processing tank is performed. After that, the three-dimensionally shaped object and the mounting member are returned into the processing tank.

[0022]

[Function] Since the processes up to the stereolithography process for forming a three-dimensional object, the resin liquid removing process and the batch curing process are performed in a state where the three-dimensional object is not completely cured, Applying as much force as possible, deforming it,
It is necessary to handle without scratching.

Therefore, if the above-described steps are performed while the three-dimensional object is placed on the mounting member, no excessive force is applied to the three-dimensional object, and the three-dimensional object is removed. No damage. In addition, since there is no need to transfer the three-dimensionally shaped object for each process, the work can be streamlined. As an apparatus for carrying out such a method, the optical shaping part, not so with separately provided resin liquid removing unit and bulk curing unit, can move the mounting member to each processing unit in the mounting member moving means lever, When the mounting member moves to each processing unit, the processing step in each processing unit is performed. That is, in the optical shaping unit, a three-dimensional object is formed on the mounting member, and the three-dimensional object is sent to the resin liquid removing unit while being mounted on the mounting member, and the resin liquid is removed by the resin liquid removing unit. The three-dimensional object thus set is sent to the collective curing unit while being placed on the placing member. In this apparatus, since each processing unit may be fixed and installed independently as in the conventional case, the structure of each processing unit is relatively simple and easy to manufacture. In addition, if each processing unit itself uses the conventional device as it is and installs only the mounting member moving means, it is possible to use known equipment.

[0024] Once you have installed the mounting member in place, the structure of the installation member is simplified, accurately perform the position control of the three-dimensional shaped article which carries the lifting operation or the mounting member of the mounting member. Therefore, the position of the mounting member can be controlled with high accuracy in the optical shaping process, and the shape accuracy of the photocured layer and the three-dimensional object to be formed is improved .

[0025]

Next, an embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows the entire structure of a three-dimensional shape forming apparatus. A resin liquid tank 10 is provided as an optical molding unit that performs an optical molding process. Resin liquid tank 1
At 0, the photocurable resin liquid 12 is stored. Above the resin tank 10, a laser beam irradiation device 50 is provided. The laser light irradiation device 50 includes a laser light generator 52, a shutter 53, a condenser lens 54, and a pair of scanning mirrors 5.
6 and the like, and the laser light R generated by the laser light generator 52 is supplied to the photocurable resin liquid 12 in the resin liquid tank 10.
Irradiation can be made to any position on the liquid surface. A cleaning tank 20 is provided adjacent to the resin liquid tank 10 as a resin liquid removing unit for performing a resin liquid removing step. Cleaning tank 20
The cleaning liquid 26 is stored in the
The cleaning liquid supply device 22 is connected via the
4 is attached. Further, a curing treatment tank 30 is provided adjacent to the cleaning tank 20 as a batch curing step section for performing a batch curing step. The curing tank 30 has a lid 3
2 is attached, and on the back side of the lid 32, an ultraviolet irradiation lamp 34 for batch curing is attached. That is,
A resin liquid tank 10, a cleaning tank 20, and a curing tank 30 are provided in a straight line.

A placing member moving device 40 is provided adjacent to each of the tanks 10, 20, 30. Mounting member moving device 4
At 0, a mounting member 42 having a flat mounting table similar to that of FIG. 8 is attached to an elevating device 44 and is provided so as to be able to move up and down. The elevating device 44 raises and lowers the mounting member 42 up and down by a screw screw mechanism driven to rotate by a motor. The elevating device 44 is a main unit 4 of the moving device 40.
6 is attached so as to be movable in the horizontal direction. As a mechanism for moving the elevating device 44 in the horizontal direction, a moving mechanism such as the screw screw mechanism is used.
Therefore, the mounting member 42 is provided with the tanks 10, 20, 3
While moving horizontally in parallel with 0, it can also be moved up and down at any position.

The use of the apparatus for forming a three-dimensional shape having the above structure will be described. First, a stereolithography process is performed in the state of FIG. The elevating device 44 is disposed adjacent to the resin liquid tank 10, and the mounting member 42 is submerged in the photocurable resin liquid 12 of the resin liquid tank 10. Scanning the laser light R emitted from the laser light irradiation device 50 on the liquid surface of the photo-curable resin liquid 12 to form a photo-cured layer having a predetermined pattern;
The step of submerging the mounting member 42 in the photo-curable resin liquid 12 and covering the photo-curable layer with the new photo-curable resin liquid 12 is alternately repeated to form a three-dimensional object in which a plurality of photo-curable layers are stacked. Shape M. Such a stereolithography process itself is the same as the conventional method.

When the stereolithography process is completed, the three-dimensional object M
Is lifted from the resin liquid tank 10, and the elevating device 44 is moved to the position of the cleaning tank 20 where the next step is performed. In the state shown in FIG. 2, a resin liquid removing step is performed. The mounting member 42 is lowered from above the cleaning tank 20 to sink the three-dimensionally shaped object M into the cleaning tank 20, and the cleaning liquid supply device 22 supplies the cleaning liquid 26. Cleaning liquid 2
In 6, the photocurable resin liquid remaining on the surface of the three-dimensional object M is washed off while passing through the surface of the three-dimensional object M, and is discharged from the drain pipe 24. When the resin liquid removing step is completed, the placing member 42 on which the three-dimensionally shaped object M is placed is placed.
Is lifted from the cleaning tank 20, and the elevating device 44 is moved to the position of the curing processing tank 30 where the next step is performed.

A batch curing step is performed in the state shown in FIG.
After lowering the mounting member 42 into the curing tank 30, the lid 3
Close 2. Thereafter, when the ultraviolet irradiation lamp 34 is turned on, the three-dimensional object on the mounting member 42 is entirely uniformly cured to the final stage. When the collective curing step is completed, the lid 32 is opened, and the mounting member 42 on which the three-dimensionally shaped object M is mounted is
By pulling up from the curing treatment tank 30, the three-dimensionally shaped object M that has been cured is taken out.

When any post-processing is performed after the batch curing step, the lifting device 44 is further horizontally moved to transfer the mounting member 42 and the three-dimensionally shaped object M to the target post-processing section. You may do so. In addition, since the three-dimensionally shaped object M after the batch curing step has been cured, there is no concern that the three-dimensional object M will be deformed or damaged even if it is removed from the mounting member 42. Therefore, the three-dimensional object M
May be removed from the mounting member 42, and the three-dimensionally shaped object M may be handled by ordinary transportation means.

Next, the embodiment shown in FIGS. 4 to 6 will be described. The basic structure of each processing section is the same as that of the above-described embodiment, and therefore, the description will be focused on the differences. In this embodiment, a resin liquid tank 10, a cleaning tank 20, a curing tank 3
Numeral 0 is provided on a base plate-shaped moving body 62 provided in the moving device 60. The moving body 62 is horizontally moved in a direction in which the tanks 10, 20, 30 are arranged by a screw screw mechanism driven by a motor. The cleaning liquid supply device 22 is fixedly installed separately from the moving body 62, and is connected to the cleaning tank 20 on the moving body 62 by a flexible piping hose 25. The lifting / lowering device 44 provided with the mounting member 42
2 is fixedly installed at a fixed position separately from the resin liquid tank 1 at a position in front of the elevating device 44 with the movement of the moving body 62.
The cleaning tank 20 and the curing tank 30 are sequentially arranged. The laser light irradiation device 50 is installed so as to be able to irradiate the laser light R to a position in front of the elevating device 44.

A method for forming a three-dimensional shape by the above-described apparatus will be described. As shown in FIG. 4, the resin liquid tank 10 is
The stereolithography process is performed in a state where the photolithography process is performed at a position adjacent to Step 2. The mounting member 42 is moved up and down in the resin liquid tank 10, and the laser light R
The three-dimensional object M is formed on the mounting member 42 by a normal optical shaping procedure such as irradiation of light. When the three-dimensional object M is formed, the moving member 62 is moved in the horizontal direction after the mounting member 42 is lifted above the resin liquid tank 10.

As shown in FIG. 5, a resin liquid removing step is performed in a state where the cleaning tank 20 is arranged at a position adjacent to the mounting member 42. The three-dimensional object M placed on the placing member 42 is immersed in the cleaning liquid 26, and the flexible hose 2 is
After 5, the cleaning liquid 26 is supplied to the cleaning tank 20, and the resin liquid remaining on the surface of the three-dimensionally shaped object M is removed. When the removal of the resin liquid is completed, the mounting member 42 is pulled up above the cleaning tank 20, and then the moving body 62 is moved in the horizontal direction.

As shown in FIG. 6, a batch curing step is performed with the curing tank 30 arranged at a position adjacent to the mounting member 42. The three-dimensional object M placed on the mounting member 42 is put into the curing tank 30, the lid 32 is closed, and then the ultraviolet lamp 34 is irradiated to cure the three-dimensional object M at once. After that, if the mounting member 42 is pulled up onto the curing processing tank 30, the three-dimensional shape M cured to the final stage is obtained.

Next, a reference example shown in FIG. 7 will be described. This reference example is a reference technique outside the technical scope of the present invention.
Indicate the technique. In this reference example, the optical molding process, the resin liquid removing process, and the collective curing process are performed in one processing tank 70.
The processing tank 70 contains the photocurable resin liquid 12 or the cleaning liquid 2.
6 can be supplied or discharged arbitrarily.
A resin liquid supply device 72 and a processing tank 70 which are separately provided from the processing tank 70 are connected to the processing layer 70 by a circulation pipe 73. Further, a cleaning liquid supply device 74 is connected to the processing tank 70 via a pipe 73, and a drain pipe 75 is attached to the processing tank 70. Above the processing tank 70, a laser beam irradiation device 50 is provided. An openable / closable lid 76 is provided at the upper end of the processing tank 70, and an ultraviolet irradiation lamp 77 is attached inside the lid 76. Further, the lifting device 44
The mounting member 42 provided in the apparatus moves up and down inside and outside the processing tank 70.

A method for forming a three-dimensional shape by the above apparatus will be described. First, the resin liquid 12 is stored in the processing tank 70, the mounting member 42 is immersed in the resin liquid 12, and a laser beam R is irradiated from the laser light irradiation device 50, and the three-dimensional object M is placed on the mounting member 42. Shape it. When the three-dimensional object M is formed, the placing member 42 is pulled up above the processing tank 70. Resin liquid 12
Is returned to the resin liquid supply device 72, and then the cleaning liquid is supplied from the cleaning liquid supply device 74 to the processing tank 70. Mounting member 4
2 is lowered to sink the three-dimensionally shaped object M into the cleaning liquid in the processing tank 70 to remove the resin liquid. When the removal of the resin liquid is completed, the cleaning liquid is discharged. When the lid 76 is closed and the ultraviolet irradiation lamp 77 is turned on, the three-dimensional object M is simultaneously cured. When the batch curing is completed, the placing member 42
Is lifted above the processing tank 70 and the three-dimensionally shaped object M may be taken out.

[0037]

According to the above-described method for forming a three-dimensional shape according to the present invention, the three-dimensional object formed in the optical shaping process is placed on the mounting member on which the shaping has been performed. By performing the subsequent resin liquid removing step and the collective curing step, the three-dimensional shape that has not been completely cured can be stably handled without being deformed or damaged.

As a result, it is possible to provide a three-dimensional object having high shape accuracy and excellent quality performance. In addition, every time each process is performed, it is not necessary to transfer the three-dimensionally shaped object, which saves labor and shortens the work time.
Productivity can be improved. Further, according to the three-dimensional shape forming apparatus of the present invention, the above method can be executed simply and reliably.

In particular, a mounting member is provided for each of the separately provided processing units.
If the mounting member moving means for sequentially moving is provided, the above-described method can be realized only by providing the mounting member moving means while each processing unit has the same structure as in the related art. Each place
The control section is installed at a fixed position separately from the moving body and can be moved up and down
Can be selected and placed at the elevating position of the mounting member
If it is not necessary to move the mounting member to each processing unit,
The lifting and lowering operation of the mounting member in the stereolithography process can be performed with high accuracy, and the shape accuracy of the obtained three-dimensionally shaped object is improved.

[0040]

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating an entire structure and a forming process of a three-dimensional shape forming apparatus according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a resin liquid removing step.

FIG. 3 is a perspective view showing a batch curing step.

FIG. 4 is a perspective view illustrating a molding process according to another embodiment.

FIG. 5 is a perspective view showing a resin liquid removing step.

FIG. 6 is a perspective view showing a batch curing step.

FIG. 7 is a perspective view showing a reference example.

FIG. 8 is a perspective view showing a conventional example.

[Explanation of symbols]

 REFERENCE SIGNS LIST 10 resin liquid tank 12 photo-curable resin liquid 20 cleaning tank 30 curing treatment tank 40 mounting member moving device 42 mounting member 44 elevating device 50 laser beam irradiation device M three-dimensional shaped object

Continuation of front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B29C 67/00

Claims (4)

(57) [Claims] 1. A photocurable layer by irradiating light to a photocurable resin liquid.
To form a desired tertiary layer
An apparatus used for a method of obtaining an original shaped object, an optical shaping part for performing an optical shaping process of shaping a three-dimensional object on a mounting member , light curing remaining on the surface of the shaped three-dimensional object. sex
A resin liquid removing unit for performing a resin liquid removing step of removing the resin liquid,
And the entire 3D object from which the resin liquid has been removed until the final stage
An apparatus for forming a three-dimensional shape, comprising: a collective curing section for performing a collective curing step of curing; and a placing member moving means for sequentially moving a placing member to each processing section. 2. An apparatus for forming a three-dimensional shape according to claim 1.
Irradiates the photocurable resin liquid with light to form a photocurable layer.
And stacking a plurality of layers of this photocurable layer to form the desired three-dimensional
A method for obtaining a three-dimensionally shaped object , wherein the three-dimensionally shaped object is formed on a mounting member in the optical shaping part.
In the optical shaping process to be shaped, and in the resin liquid removing unit, the shaped three-dimensionally shaped object is
Resin liquid removal to remove photo-curable resin liquid remaining on the surface
Removing step, and the three-dimensional form in which the resin liquid is removed in the collectively curing section
A batch curing process to cure the entire product to the final stage
The placing member is sequentially moved to each processing unit by the placing member moving means.
Method of forming three-dimensional shape characterized by performing next movement
Law. 3. A photocurable layer by irradiating light to a photocurable resin liquid.
To form a desired tertiary layer
An apparatus used in a method of obtaining an original shaped object, an optical shaping unit for performing an optical shaping step of shaping a three-dimensional object on a mounting member, and a residual adhered to the surface of the shaped three-dimensional object.
A resin liquid removing section for performing a resin liquid removing step of removing the photocurable resin liquid , and a three-dimensional object from which the resin liquid has been removed.
A batch curing unit that performs a batch curing process to cure the whole to the final stage is provided side by side on a movable movable body, and each lifting and lowering mounting member is set at a fixed position separately from the movable body. An apparatus for forming a three-dimensional shape, wherein a processing unit can be selectively arranged at an elevating position of a mounting member. 4. An apparatus for forming a three-dimensional shape according to claim 3.
Irradiates the photocurable resin liquid with light to form a photocurable layer.
And stacking a plurality of layers of this photocurable layer to form the desired three-dimensional
A method for obtaining a three-dimensionally shaped object , wherein the three-dimensionally shaped object is formed on a mounting member in the optical shaping part.
In the optical shaping process to be shaped, and in the resin liquid removing unit, the shaped three-dimensionally shaped object is
Resin liquid removal to remove photo-curable resin liquid remaining on the surface
Removing step, and the three-dimensional form in which the resin liquid is removed in the collectively curing section
A batch curing process to cure the entire product to the final stage
The processing units arranged side by side on the movable mobile
Elevating position of a vertically movable mounting member separately set in a fixed position
It is characterized in that each step is performed sequentially by selectively arranging
A method for forming a three-dimensional shape.