JP6138492B2 - Stereolithography equipment - Google Patents

Stereolithography equipment Download PDF

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JP6138492B2
JP6138492B2 JP2013004938A JP2013004938A JP6138492B2 JP 6138492 B2 JP6138492 B2 JP 6138492B2 JP 2013004938 A JP2013004938 A JP 2013004938A JP 2013004938 A JP2013004938 A JP 2013004938A JP 6138492 B2 JP6138492 B2 JP 6138492B2
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housing
modeling apparatus
optical modeling
door
frame
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JP2014136330A (en
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好一 大場
好一 大場
功 小嶋
功 小嶋
幸吉 鈴木
幸吉 鈴木
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CMET Inc
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
    • B29C64/129—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask
    • B29C64/135—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)

Description

本発明は、硬化性材料に選択的に光線を照射して三次元形状物を造形する光造形装置に関する。   The present invention relates to an optical modeling apparatus that forms a three-dimensional shape by selectively irradiating a curable material with light rays.

硬化性材料に光線を照射してその一部を硬化させ、三次元形状物を造形する光造形装置が実用化されている。この光造形装置は、ＣＡＤシステムで設計した機械部品等を容易に実体化して、設計の確認と直接的な評価とを行うことができる（例えば、特許文献１参照）。   An optical modeling apparatus that forms a three-dimensional shape by irradiating light to a curable material and partially curing the curable material has been put into practical use. This stereolithography apparatus can easily materialize mechanical parts and the like designed by a CAD system, and can perform design confirmation and direct evaluation (for example, see Patent Document 1).

光造形装置は、硬化性材料として液状の光硬化性樹脂で満たされた液槽中に昇降可能な昇降テーブルを備えている。液槽の上部が開口しており、上部から光線が照射される。三次元形状物を造形する際に、まず、光造形装置は、昇降テーブルを液状の光硬化性樹脂の液面から最下層の厚さ分だけ下降した高さに位置させる。光造形装置は、この状態でスキャナによって光線を必要な範囲内に走査して、最下層を光硬化させる。次に、光造形装置は、昇降テーブルを最下層から二番目の層の厚さ分だけ下降させ、同様にして二番目の層を光硬化させる。以降、光造形装置は、同様にして、下から順に一層ずつ光硬化させることによって三次元形状物が造形される。   The optical modeling apparatus includes an elevating table that can be moved up and down in a liquid tank filled with a liquid photocurable resin as a curable material. The upper part of the liquid tank is open, and light is irradiated from the upper part. When modeling a three-dimensional shaped object, first, the optical modeling apparatus positions the lifting table at a height lowered from the liquid surface of the liquid photocurable resin by the thickness of the lowermost layer. In this state, the optical modeling apparatus scans the light beam within a necessary range by the scanner, and photocures the lowermost layer. Next, the optical modeling apparatus lowers the lifting table by the thickness of the second layer from the lowermost layer, and similarly photocures the second layer. Thereafter, in the same manner, the three-dimensional object is formed by the optical modeling apparatus by photocuring one layer at a time from the bottom.

ここで、特許文献１に記載の光造形装置の筐体には枠体（フレーム）が設けられ、この枠体の上に光学系装置が設置されている。光造形装置は、枠体の上方から光線が照射される。   Here, a frame (frame) is provided in the housing of the optical modeling apparatus described in Patent Document 1, and an optical system apparatus is installed on the frame. The optical modeling apparatus is irradiated with light from above the frame.

特開２０１１−７８９号公報JP 2011-789 A

ところで、光造形装置は、小型化が求められているため、筐体の高さを低くすることが考えられる。ところが、筐体の高さを低くすると、枠体のうち光学系装置が設置される上枠が一般的な人の背の高さより低くなる。このため、光造形装置は、筐体内の昇降テーブルに対して作業する際に、枠体の上枠が邪魔となり、作業性が悪くなるおそれがある。なお、小型化に限らず、背丈の高い作業者によっては枠体の上枠が邪魔となるおそれがある。そこで、作業性の低下を抑制した光造形装置が求められている。   By the way, since the optical modeling apparatus is required to be downsized, it is conceivable to reduce the height of the housing. However, when the height of the housing is lowered, the upper frame on which the optical system device is installed in the frame body becomes lower than the height of a general person. For this reason, when the stereolithography apparatus is working on the lifting table in the housing, the upper frame of the frame body may become an obstacle and workability may be deteriorated. Note that the upper frame of the frame body may become an obstacle for some tall workers, not limited to miniaturization. Therefore, there is a need for an optical modeling apparatus that suppresses workability degradation.

本発明は、こうした実情に鑑みてなされたものであり、その目的は、作業性の低下を抑制した光造形装置を提供することにある。   The present invention has been made in view of such circumstances, and an object of the present invention is to provide an optical modeling apparatus that suppresses a decrease in workability.

以下、上記目的を達成するための手段及びその作用効果について説明する。
上記課題を解決する光造形装置は、筐体内に設置された硬化性材料に選択的に光線を照射して前記硬化性材料を硬化させることによって三次元形状物を造形する光造形装置であって、前記筐体に設けられた部材を支持する枠体と、前記筐体内に貫通した開口部を閉蓋
する扉と、を備え、複数の前記扉が設けられ、前記枠体の上枠に前記光線を照射する光学系装置が載置され、前記上枠のうち各前記扉と対向する部分は、水平面において前記筐体の内側へ凹んだ凹み部となっていることをその要旨としている。 Hereinafter, means for achieving the above-described object and its operation and effects will be described.
An optical modeling apparatus that solves the above problem is an optical modeling apparatus that models a three-dimensional object by selectively irradiating light to a curable material installed in a casing to cure the curable material. A frame that supports a member provided in the housing; and a door that closes an opening that penetrates the housing, and a plurality of the doors are provided, and the upper frame of the frame is An optical system device for irradiating a light beam is placed, and the gist thereof is that a portion of the upper frame that faces each door is a recessed portion that is recessed toward the inside of the housing in a horizontal plane.

同構成によれば、扉と対向する上枠部分を水平面において内側へ凹ませた凹み部とした。このため、光造形装置の筐体を小さくしたとしても、筐体内に対して作業する際に、枠体の上枠が作業者の動作範囲から遠ざかることで邪魔とならず、作業性を維持することができる。また、複数の扉に対向する上枠部分が水平面において内側へ凹ませた凹み部とした。このため、光造形装置の筐体を小さくしたとしても、どの扉から筐体内に対して作業する際にも、作業性を維持することができる。 According to this configuration, the upper frame portion facing the door is formed as a recessed portion that is recessed inward in the horizontal plane. For this reason, even if the case of the stereolithography apparatus is made small, when working on the inside of the case, the upper frame of the frame body is not in the way of the operator and maintains workability. be able to. Moreover, the upper frame part which opposes a some door was set as the dent part dented inward in the horizontal surface. For this reason, even if it makes the housing | casing of an optical modeling apparatus small, workability | operativity can be maintained when it works with respect to the inside of a housing | casing from which door.

上記光造形装置について、前記凹み部の端部には、前記筐体の角に向かって突出する突出部を備え、前記突出部は、前記筐体の外周を覆うカバーを支持することが好ましい。
同構成によれば、筐体の角に向かって突出する突出部を凹み部の端部に備えた。このため、凹み部によって上枠がカバーを支えるための工夫が必要なところ、突出部によってカバーを支持して、カバーを従来と同様取り付けることができる。 About the said optical modeling apparatus, it is preferable to provide the protrusion part which protrudes toward the corner | angular of the said housing | casing in the edge part of the said recessed part, and the said protrusion part supports the cover which covers the outer periphery of the said housing | casing.
According to this configuration, the protruding portion that protrudes toward the corner of the housing is provided at the end of the recessed portion. For this reason, when the device for the upper frame to support the cover by the recessed portion is necessary, the cover can be supported by the protruding portion, and the cover can be attached as in the conventional case.

上記光造形装置について、前記筐体は、前記凹み部によってできた空間上の天井が開口し、前記扉は、前記天井の開口部分を含めた開口部を閉蓋することが好ましい。
同構成によれば、凹み部によってできた空間上の天井が開口する。このため、扉を開いた際に開口空間を確保することができ、凹み部による作業性の低下抑制に加えて、作業性を高めることができる。 About the said optical modeling apparatus, it is preferable that the said housing | casing opens the ceiling on the space made of the said recessed part, and the said door closes the opening part including the opening part of the said ceiling.
According to this configuration, the ceiling on the space formed by the recess is opened. For this reason, when opening a door, opening space can be ensured and workability | operativity can be improved in addition to suppression of the fall of workability | operativity by a dent part.

本発明によれば、作業性の低下を抑制できる。   According to the present invention, it is possible to suppress a decrease in workability.

光造形装置の筐体及び枠体を示す正面図。The front view which shows the housing | casing and frame of an optical shaping apparatus. 光造形装置の筐体及び枠体を示す側面図。The side view which shows the housing | casing and frame of an optical modeling apparatus. 光造形装置の筐体及び枠体を示す平面図。The top view which shows the housing | casing and frame of an optical modeling apparatus. 光造形装置の枠体に対する作業者の位置を示す側面図。The side view which shows the position of the operator with respect to the frame of an optical modeling apparatus.

以下、図１〜図４を参照して、光造形装置の一実施形態について説明する。
図１及び図２に示されるように、光造形装置は、硬化性材料として液状の光硬化性樹脂で満たされた液槽５と、光線を出射するレーザ６と、レーザ６から出射された光線を液槽５に照射するスキャナ７とを備えている。レーザ６から出射された光線は、光学系装置９を介してスキャナ７に入射される。光造形装置は、液槽５内において上下方向に昇降可能な昇降テーブル８を備えている。昇降テーブル８は、昇降装置８ａによって上下方向に移動される。光造形装置は、液状の光硬化性樹脂で満たされた液槽５の昇降テーブル８の上面に光線を選択的に照射することで液状の光硬化性樹脂を硬化して三次元形状物を造形する。 Hereinafter, an embodiment of an optical modeling apparatus will be described with reference to FIGS.
As shown in FIG. 1 and FIG. 2, the optical modeling apparatus includes a liquid tank 5 filled with a liquid photocurable resin as a curable material, a laser 6 that emits a light beam, and a light beam emitted from the laser 6. And a scanner 7 for irradiating the liquid tank 5 with the. The light beam emitted from the laser 6 enters the scanner 7 via the optical system device 9. The optical modeling apparatus includes an elevating table 8 that can be moved up and down in the liquid tank 5. The lifting table 8 is moved in the vertical direction by the lifting device 8a. The optical modeling apparatus cures the liquid photocurable resin by selectively irradiating light onto the upper surface of the lifting table 8 of the liquid tank 5 filled with the liquid photocurable resin, thereby modeling a three-dimensional shape. To do.

光造形装置の筐体１０は、ほぼ直方体であって、正面視において奥行きＴよりも幅Ｗが長い（Ｔ＜Ｗ）。筐体１０の正面１１の左上部分には、開閉可能なフロントドア２１が設置されている。フロントドア２１は、フロントドア２１の左側を軸として開閉できる。筐体１０の正面１１の右上部分には、操作画面２３と操作部２４とが設置されている。筐体１０の左側面１２の上部分には、開閉可能なサイドドア２２が設置されている。サイドドア２２は、サイドドア２２の左側を軸として開閉できる。フロントドア２１及びサイドドア２２は、三次元形状物を造形する前の準備する際や造形した三次元形状物を取り出す際に開く。なお、フロントドア２１及びサイドドア２２が扉に相当する。ここで、昇降装置８ａを筐体１０の中心に配置されている。液槽５は、筐体１０の左側面１２から出し入れする。このため、光造形装置の重量バランスがよくなり、筐体１０の奥行きＴを抑制することができる。   The case 10 of the stereolithography apparatus is substantially a rectangular parallelepiped, and has a width W longer than the depth T in front view (T <W). A front door 21 that can be opened and closed is installed in the upper left portion of the front surface 11 of the housing 10. The front door 21 can be opened and closed with the left side of the front door 21 as an axis. An operation screen 23 and an operation unit 24 are installed in the upper right portion of the front surface 11 of the housing 10. An openable and closable side door 22 is installed on the upper portion of the left side surface 12 of the housing 10. The side door 22 can be opened and closed with the left side of the side door 22 as an axis. The front door 21 and the side door 22 are opened when preparing the three-dimensional shaped object before shaping or when taking out the three-dimensional shaped object that has been formed. The front door 21 and the side door 22 correspond to doors. Here, the lifting / lowering device 8 a is arranged at the center of the housing 10. The liquid tank 5 is taken in and out from the left side surface 12 of the housing 10. For this reason, the weight balance of the optical modeling apparatus is improved, and the depth T of the housing 10 can be suppressed.

光造形装置には、収容部材を支持する枠体３０が設けられている。枠体３０は、光造形装置の外形をなす複数のカバー１４が取り付けられている。枠体３０は、直方体状の枠が二段積まれた構造である。カバー１４は、板部材であって、枠体３０に螺子固定されている。   The optical modeling apparatus is provided with a frame 30 that supports the housing member. The frame 30 is provided with a plurality of covers 14 that form the outer shape of the optical modeling apparatus. The frame 30 has a structure in which rectangular parallelepiped frames are stacked in two stages. The cover 14 is a plate member and is screwed to the frame body 30.

筐体１０の正面視左側下部には、液槽５が設けられている。液槽５は、枠体３０に固定されている。筐体１０の正面視左側上部には、光学系装置９が設けられている。光学系装置９は、枠体３０の上部に設置されている。ここで、光学系装置９が設置されている上部の枠体３０を上枠３１という（図中梨地模様で示した部分）。また、筐体１０の正面視右側には、三次元造形物を造形するための図示しない制御装置や駆動装置等が設置されている。制御装置や駆動装置等は、枠体３０に設置されている。   A liquid tank 5 is provided at the lower left portion of the housing 10 when viewed from the front. The liquid tank 5 is fixed to the frame body 30. An optical system device 9 is provided on the upper left side of the housing 10 when viewed from the front. The optical system device 9 is installed on the upper portion of the frame body 30. Here, the upper frame 30 in which the optical system device 9 is installed is referred to as an upper frame 31 (the portion indicated by a satin pattern in the figure). Further, on the right side of the housing 10 when viewed from the front, a control device, a driving device, and the like (not shown) for modeling a three-dimensional structure are installed. The control device, the drive device, and the like are installed on the frame body 30.

本実施例の光造形装置は、小型化しているため、光学系装置９が載置されている上枠３１が背丈ほどの位置にある。このため、上枠３１が筐体１０の外形の大きさであると、フロントドア２１やサイドドア２２を開いて作業をする際に、作業者の作業性を低下させるおそれがある。   Since the stereolithography apparatus of the present embodiment is downsized, the upper frame 31 on which the optical system device 9 is placed is at a position about the height. For this reason, when the upper frame 31 is the size of the outer shape of the housing 10, when the front door 21 and the side door 22 are opened and the work is performed, the workability of the operator may be reduced.

そこで、図３に示されるように、上枠３１のうちフロントドア２１と対向する部分は、水平面において筐体１０の内側へ凹んだ第１凹み部３４となっている。すなわち、第１凹み部３４は、フロントドア２１が設けられた正面の上枠（正面側上枠３２）が矢印で示すように筐体１０の外形を形成する位置から内側へ後退した位置に設けられることで形成されている。また、上枠３１のうちサイドドア２２と対向する部分は、水平面において筐体１０の内側へ凹んだ第２凹み部３５となっている。すなわち、第１凹み部３４は、サイドドア２２が設けられた左側面の上枠（左側面側上枠３３）が矢印で示すように筐体１０の外形を形成する位置から内側へ後退した位置に設けられることで形成されている。第１凹み部３４の左側面側端部３６と第２凹み部３５の正面側端部３７とが交わる部分には、筐体１０の正面１１と左側面１２とに挟まれた角１７に向かって突出する第１突出部４１が設けられている。第１突出部４１によって正面側のカバー１４の上部分が支持されている。また、第２凹み部３５の背面側端部３８には、筐体１０の左側面１２と背面１３との角１８に向かって突出する第２突出部４２が設けられている。第１突出部４１と第２突出部４２とによって左側面側のカバー１４の上部分が支持されている。   Therefore, as shown in FIG. 3, a portion of the upper frame 31 that faces the front door 21 is a first recessed portion 34 that is recessed toward the inside of the housing 10 in the horizontal plane. That is, the first recess 34 is provided at a position where the front upper frame (front side upper frame 32) provided with the front door 21 is retracted inward from the position forming the outer shape of the housing 10 as indicated by an arrow. It is formed by being. Further, the portion of the upper frame 31 that faces the side door 22 is a second recessed portion 35 that is recessed toward the inside of the housing 10 in the horizontal plane. That is, the first recess 34 is a position where the upper frame on the left side where the side door 22 is provided (the upper frame 33 on the left side) is retracted inward from the position where the outer shape of the housing 10 is formed. It is formed by being provided. The portion where the left side end 36 of the first recess 34 and the front end 37 of the second recess 35 intersect is directed to the corner 17 sandwiched between the front 11 and the left side 12 of the housing 10. The 1st protrusion part 41 which protrudes is provided. The upper portion of the front cover 14 is supported by the first protrusion 41. In addition, a second projecting portion 42 that projects toward the corner 18 between the left side surface 12 and the rear surface 13 of the housing 10 is provided at the rear side end portion 38 of the second recessed portion 35. The upper portion of the cover 14 on the left side is supported by the first protrusion 41 and the second protrusion 42.

筐体１０の正面１１には、上枠３１の第１凹み部３４によってできた空間に合わせて正面１１から内側へ開口するフロントドア開口部１５が設けられている。フロントドア開口部１５は、筐体１０の天井１９も含めて開口している。フロントドア２１は、フロントドア開口部１５の天井部分を覆う被覆部２１ａを備えている。フロントドア２１は、フロントドア開口部１５を閉蓋する。   The front surface 11 of the housing 10 is provided with a front door opening 15 that opens inward from the front surface 11 in accordance with the space formed by the first recess 34 of the upper frame 31. The front door opening 15 is opened including the ceiling 19 of the housing 10. The front door 21 includes a covering portion 21 a that covers the ceiling portion of the front door opening 15. The front door 21 closes the front door opening 15.

筐体１０の左側面１２には、上枠３１の第２凹み部３５によってできた空間に合わせて左側面１２から内側へ開口するサイドドア開口部１６が設けられている。サイドドア開口部１６は、筐体１０の天井１９も含めて開口している。サイドドア２２は、サイドドア開口部１６の天井部分を覆う被覆部２２ａを備えている。サイドドア２２は、サイドドア開口部１６を閉蓋する。   The left side surface 12 of the housing 10 is provided with a side door opening 16 that opens inward from the left side surface 12 in accordance with the space formed by the second recessed portion 35 of the upper frame 31. The side door opening 16 is opened including the ceiling 19 of the housing 10. The side door 22 includes a covering portion 22 a that covers the ceiling portion of the side door opening 16. The side door 22 closes the side door opening 16.

次に、図４を参照して、前述のように構成された光造形装置の作用について説明する。
光造形装置は、三次元形状物を造形する前に準備をしたり、三次元形状物を造形した後に三次元形状物を取り出したりする際に、フロントドア２１やサイドドア２２を開いて作業者Ｍが作業する。このとき、作業者Ｍは、手をフロントドア開口部１５から筐体１０内に差し込むとともに、上体もフロントドア開口部１５から筐体１０内に入り込む。すると、作業者Ｍの頭は、上枠３１の第１凹み部３４によってできた空間に位置する。このため、作業者Ｍは、作業時に上枠３１を気にすることなく作業でき、上枠３１によって作業が妨げられないので、作業性の低下を抑制できる。 Next, with reference to FIG. 4, an operation of the optical modeling apparatus configured as described above will be described.
The optical modeling apparatus opens the front door 21 and the side door 22 when preparing the three-dimensional shape before preparing it, or taking out the three-dimensional shape after forming the three-dimensional shape. M works. At this time, the operator M inserts his / her hand into the housing 10 through the front door opening 15, and the upper body also enters the housing 10 through the front door opening 15. Then, the head of the worker M is located in a space formed by the first recess 34 of the upper frame 31. For this reason, the worker M can work without worrying about the upper frame 31 at the time of work, and the work is not hindered by the upper frame 31, so that a reduction in workability can be suppressed.

以上、説明した実施形態によれば、以下の効果を奏することができる。
（１）フロントドア２１と対向する上枠部分を水平面において内側へ凹ませた第１凹み部３４とした。サイドドア２２と対向する上枠部分を水平面において内側へ凹ませた第２凹み部３５とした。このため、光造形装置の筐体１０を小さくしたとしても、筐体１０内に対して作業する際に、枠体３０の上枠３１が作業者Ｍの動作範囲から遠ざかることで邪魔とならず、作業性を維持することができる。 As described above, according to the embodiment described above, the following effects can be obtained.
(1) The upper frame portion facing the front door 21 is a first recessed portion 34 that is recessed inward in the horizontal plane. The upper frame portion facing the side door 22 was a second recessed portion 35 that was recessed inward in the horizontal plane. For this reason, even if the case 10 of the stereolithography apparatus is reduced in size, when working on the inside of the case 10, the upper frame 31 of the frame 30 is not disturbed by moving away from the operation range of the worker M. Workability can be maintained.

（２）フロントドア２１とサイドドア２２とにそれぞれ対応した第１凹み部３４と第２凹み部とを設けた。このため、光造形装置の筐体１０を小さくしたとしても、フロントドア２１とサイドドア２２のいずれから筐体１０内に対して作業する際にも、作業性を維持することができる。   (2) A first recess 34 and a second recess corresponding to the front door 21 and the side door 22 are provided. For this reason, even if the case 10 of the stereolithography apparatus is made smaller, workability can be maintained when working on the inside of the case 10 from either the front door 21 or the side door 22.

（３）第１凹み部３４の左側面側端部３６と第２凹み部３５の正面側端部３７とに筐体１０の角１７に向かって突出する第１突出部４１を備えた。第２凹み部３５の背面側端部３８に筐体１０の角１８に向かって突出する第２突出部４２を備えた。このため、第１凹み部３４及び第２凹み部３５によって上枠３１がカバー１４を支えるための工夫が必要なところ、第１突出部４１及び第２突出部４２によってカバー１４を支持して、カバー１４を従来と同様取り付けることができる。   (3) The first protrusion 41 protruding toward the corner 17 of the housing 10 is provided at the left side end 36 of the first recess 34 and the front end 37 of the second recess 35. A second protruding portion 42 that protrudes toward the corner 18 of the housing 10 is provided at the rear side end portion 38 of the second recessed portion 35. For this reason, it is necessary to devise the upper frame 31 to support the cover 14 by the first recessed portion 34 and the second recessed portion 35, and the cover 14 is supported by the first protruding portion 41 and the second protruding portion 42, The cover 14 can be attached as in the conventional case.

（４）第１凹み部３４及び第２凹み部３５によってできた空間上の天井が開口する。このため、フロントドア２１及びサイドドア２２を開いた際に開口空間を確保することができ、第１凹み部３４及び第２凹み部３５による作業性の低下抑制に加えて、作業性を高めることができる。   (4) The ceiling on the space formed by the first dent 34 and the second dent 35 opens. For this reason, when the front door 21 and the side door 22 are opened, an opening space can be secured, and workability is improved in addition to suppression of deterioration in workability by the first recess 34 and the second recess 35. Can do.

なお、上記実施形態は、これを適宜変更した以下の形態にて実施することができる。
・上記実施形態では、第１凹み部３４によってできた空間の天井部分を開口したが、作業性に影響なければ、天井部分を開口しなくてもよい。 In addition, the said embodiment can be implemented with the following forms which changed this suitably.
-In the said embodiment, although the ceiling part of the space formed by the 1st dent part 34 was opened, if it does not affect workability | operativity, it is not necessary to open a ceiling part.

・上記実施形態では、第２凹み部３５によってできた空間の天井部分を開口したが、作業性に影響なければ、天井部分を開口しなくてもよい。
・上記実施形態では、第１凹み部３４の左側面側端部３６に筐体１０の角１７に向かって突出する第１突出部４１を備えたが、他の枠体３０によってカバー１４を支持することができれば、第１突出部４１を省略してもよい。 -In the said embodiment, although the ceiling part of the space formed by the 2nd dent part 35 was opened, if it does not affect workability | operativity, it is not necessary to open a ceiling part.
In the above embodiment, the first protrusion 41 protruding toward the corner 17 of the housing 10 is provided at the left side end 36 of the first recess 34, but the cover 14 is supported by the other frame 30. If possible, the first protrusion 41 may be omitted.

・上記実施形態では、第２凹み部３５の背面側端部３８に筐体１０の角１８に向かって突出する第２突出部４２を備えたが、他の枠体３０によってカバー１４を支持することができれば、第２突出部４２を省略してもよい。   In the above embodiment, the second projecting portion 42 projecting toward the corner 18 of the housing 10 is provided at the rear side end portion 38 of the second recess 35, but the cover 14 is supported by the other frame body 30. If possible, the second protrusion 42 may be omitted.

・上記実施形態では、フロントドア２１に対向する部分の上枠（正面側上枠３２）を第１凹み部３４とするとともに、サイドドア２２に対向する部分の上枠（左側面側上枠３３）を第２凹み部３５とした。ところが、第１凹み部３４と第２凹み部３５とのいずれか一方のみを採用してもよい。   In the above embodiment, the upper frame (front-side upper frame 32) that faces the front door 21 is the first recessed portion 34, and the upper frame (left-side upper frame 33 that faces the side door 22). ) Was defined as the second recessed portion 35. However, only one of the first recess 34 and the second recess 35 may be employed.

・上記実施形態では、小型化して上枠３１が背丈ほどの位置にある光造形装置としたが、小型化していない光造形装置としてもよい。
・上記実施形態では、硬化性材料として光硬化性樹脂を使用する光造形装置に採用したが、硬化性材料として金属粉末等を使用する光造形装置に採用してもよい。 In the above-described embodiment, the optical modeling apparatus is downsized and the upper frame 31 is at the height position. However, the optical modeling apparatus may be not downsized.
-In the said embodiment, although employ | adopted for the optical modeling apparatus which uses photocurable resin as a curable material, you may employ | adopt for the optical modeling apparatus which uses a metal powder etc. as a curable material.

５…液槽、６…レーザ、７…スキャナ、８…昇降テーブル、８ａ…昇降装置、９…光学系装置、１０…筐体、１１…正面、１２…左側面、１３…背面、１４…カバー、１５…フロントドア開口部、１６…サイドドア開口部、１７，１８…角、１９…天井、２１…扉としてのフロントドア、２１ａ…被覆部、２２…扉としてのサイドドア、２２ａ…被覆部、２３…操作画面、２４…操作部、３０…枠体、３１…上枠、３２…正面側上枠、３３…左側面側上枠、３４…第１凹み部、３５…第２凹み部、３６…左側面側端部、３７…正面側端部、３８…背面側端部、４１…第１突出部、４２…第２突出部、Ｍ…作業者、Ｔ…奥行き、Ｗ…幅。   DESCRIPTION OF SYMBOLS 5 ... Liquid tank, 6 ... Laser, 7 ... Scanner, 8 ... Elevating table, 8a ... Elevating device, 9 ... Optical system apparatus, 10 ... Housing, 11 ... Front, 12 ... Left side, 13 ... Back, 14 ... Cover 15 ... Front door opening, 16 ... Side door opening, 17, 18 ... Corner, 19 ... Ceiling, 21 ... Front door as door, 21a ... Covering part, 22 ... Side door as door, 22a ... Covering part , 23 ... operation screen, 24 ... operation part, 30 ... frame, 31 ... upper frame, 32 ... front side upper frame, 33 ... left side upper frame, 34 ... first dent part, 35 ... second dent part, 36 ... left side edge, 37 ... front edge, 38 ... back edge, 41 ... first protrusion, 42 ... second protrusion, M ... worker, T ... depth, W ... width.

Claims (3)

筐体内に設置された硬化性材料に選択的に光線を照射して前記硬化性材料を硬化させることによって三次元形状物を造形する光造形装置において、
前記筐体に設けられた部材を支持する枠体と、
前記筐体内に貫通した開口部を閉蓋する扉と、を備え、
前記枠体の上枠に前記光線を照射する光学系装置が載置され、
複数の前記扉が設けられ、
前記上枠のうち各前記扉と対向する部分は、水平面において前記筐体の内側へ凹んだ凹み部となっている
ことを特徴とする光造形装置。 In an optical modeling apparatus that forms a three-dimensional shape object by selectively irradiating light to a curable material installed in a housing and curing the curable material,
A frame that supports members provided in the housing;
A door that closes an opening that penetrates into the housing, and
An optical device for irradiating the light beam is placed on the upper frame of the frame,
A plurality of the doors are provided;
The part which opposes each said door among the said upper frames is a recessed part dented inside the said housing | casing in the horizontal surface. The optical modeling apparatus characterized by the above-mentioned. 請求項１に記載の光造形装置において、
前記凹み部の端部には、前記筐体の角に向かって突出する突出部を備え、
前記突出部は、前記筐体の外周を覆うカバーを支持する
ことを特徴とする光造形装置。 The optical modeling apparatus according to claim 1 ,
At the end of the recess, a protrusion that protrudes toward the corner of the housing is provided,
The projecting portion supports a cover that covers an outer periphery of the casing. 請求項１又は２に記載の光造形装置において、
前記筐体は、前記凹み部によってできた空間上の天井が開口し、
前記扉は、前記天井の開口部分を含めた開口部を閉蓋する
ことを特徴とする光造形装置。 The optical modeling apparatus according to claim 1 or 2 ,
The housing has an open ceiling on the space formed by the recess,
The said door closes the opening part including the opening part of the said ceiling. The optical modeling apparatus characterized by the above-mentioned.
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