JP2737679B2 - Light curing resin type - Google Patents
Light curing resin typeInfo
- Publication number
- JP2737679B2 JP2737679B2 JP7004778A JP477895A JP2737679B2 JP 2737679 B2 JP2737679 B2 JP 2737679B2 JP 7004778 A JP7004778 A JP 7004778A JP 477895 A JP477895 A JP 477895A JP 2737679 B2 JP2737679 B2 JP 2737679B2
- Authority
- JP
- Japan
- Prior art keywords
- reinforcing structure
- photo
- heat
- photocurable resin
- mold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は光造形法による光硬化樹
脂型の構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a photo-curable resin mold formed by an optical molding method.
【０００２】[0002]
【従来の技術】従来の電子装置や家電製品の試作に使用
される光造形法による光硬化樹脂型は、帝人製機が平成
６年６月９日新聞発表したように、デェポン製のウレタ
ンアクリレート系光硬化樹脂に無機系素材を充填して、
１６０℃前後まで熱変形せず、ポリカーボネイト樹脂並
の硬度を持つ光硬化樹脂を使用し、３次元ＣＡＤで作成
したデータを基にレーザ光線で固めた前記の光硬化樹脂
を何層にも積み重ねて直接、射出成形用型を製作する技
術が確立した。これらの技術の基礎となった技術として
は光学的造形法（特開昭６０−２４７５１５号公報）が
ある。2. Description of the Related Art Conventionally, a photo-curing resin type by a stereolithography method used for a trial production of an electronic device or a home appliance is a urethane acrylate manufactured by De Pont as announced by a newspaper on June 9, 1994 by Teijin. Fill the photocurable resin with inorganic material,
Using a photocurable resin that does not thermally deform to around 160 ° C and has the same hardness as polycarbonate resin, and based on data created by three-dimensional CAD, the above-mentioned photocurable resin solidified with a laser beam is stacked in multiple layers. The technology to directly manufacture injection molds has been established. An optical molding method (Japanese Patent Application Laid-Open No. 60-247515) is one of the techniques based on these techniques.
【０００３】[0003]
【発明が解決しようとする課題】この従来の光造形法に
よる光硬化樹脂型を利用した射出成形では、電子装置や
家電製品の試作を行う場合、型の強度が小さく寿命が短
く、結果として成形数が少ないという欠点があった。た
とえば、従来の光学的造形法によって造形した型を使っ
てＡＢＳ樹脂製の携帯電話機を射出成形すると２２個ま
でしかとれない。In the injection molding using a photocurable resin mold by the conventional stereolithography, when a prototype of an electronic device or a home appliance is manufactured, the strength of the mold is small and the life is short. There was a drawback that the number was small. For example, when a mobile phone made of ABS resin is injection-molded using a mold formed by a conventional optical shaping method, only up to 22 mobile phones can be obtained.
【０００４】本発明の目的は、強度および寿命の向上を
実現した光硬化樹脂型を提供することにある。[0004] It is an object of the present invention to provide a photo-curable resin mold having improved strength and life.
【０００５】[0005]
【課題を解決するための手段】本発明によれば、光硬化
樹脂の流動物質に選択的に光を照射することによって所
望の形状に硬化して造形され、製品を成形するために使
用される光硬化樹脂型であって、その内部に光硬化樹脂
流動物質を光硬化した樹脂より熱伝導度と硬度が優れた
複数の板金部品を組み合わせて構成された補強構造体が
挿入され、補強構造体の輪郭形状は製品の輪郭形状を有
することを特徴とする光硬化樹脂型が得られる。According to the present invention, a flowable material of a photocurable resin is selectively irradiated with light to be cured into a desired shape and molded, and is used for molding a product. A light-curing resin type, in which a reinforcing structure formed by combining a plurality of sheet metal parts having better thermal conductivity and hardness than a resin obtained by light-curing a light-curing resin fluid material is inserted, and a reinforcing structure The photocurable resin mold is characterized in that the contour shape has the contour shape of the product.
【０００６】本発明によれば、光硬化樹脂型は熱伝導容
器の中に挿入された樹脂型であっても良い。この場合、
補強構造体の熱伝導体の一部が熱伝導容器に接触して放
熱するが、放熱手段は容器以外であっても良い。According to the present invention, the photo-curing resin type may be a resin type inserted in a heat conductive container. in this case,
Although a part of the heat conductor of the reinforcing structure contacts the heat conduction container and radiates heat, the heat radiation means may be other than the container.
【０００７】補強構造体は、板金部品を格子状に組み合
わせて構成されてもよい。板金部品は、たとえばプレス
板金部品やレーザ加工された板金部材である。The reinforcing structure may be constructed by combining sheet metal parts in a lattice shape. The sheet metal part is, for example, a pressed sheet metal part or a sheet metal member processed by laser.
【０００８】また本発明によれば、光硬化樹脂の流動物
質に選択的に光を照射することによって所望の形状に硬
化して造形され、製品を成形するために使用される光硬
化樹脂型であって、その内部に複数の熱伝導パイプを組
み合わせて構成された補強構造体が挿入され、補強構造
体の輪郭形状は製品の輪郭形状を有することを特徴とす
る光硬化樹脂型が得られる。According to the present invention, there is provided a photocurable resin mold which is formed by hardening into a desired shape by selectively irradiating a fluid material of the photocurable resin with light, and which is used for molding a product. Then, a reinforcing structure constituted by combining a plurality of heat conducting pipes is inserted into the inside thereof, and a photo-curing resin mold is obtained, wherein the contour of the reinforcing structure has the contour of a product.
【０００９】この場合、光硬化樹脂型は熱伝導容器の中
に挿入された樹脂型で、放熱のために補強構造体の熱伝
導パイプの一部が熱伝導容器に接触すると良い。尚、熱
伝導容器以外の他の放熱手段に補強構造体を接触させて
も良い。In this case, the photo-curing resin type is a resin type inserted in the heat conductive container, and a part of the heat conductive pipe of the reinforcing structure is preferably in contact with the heat conductive container for heat radiation. In addition, you may make a reinforcement structure contact a radiating means other than a heat conduction container.
【００１０】熱伝導パイプは、内部に冷却水を通過でき
る流水路を有し、熱伝導パイプの一部に前記冷却水の流
入口と流出口が形成されると、製品の射出成形時の冷却
効果が一層向上出来る。The heat conduction pipe has a flow passage through which cooling water can pass, and when an inlet and an outlet for the cooling water are formed in a part of the heat conduction pipe, cooling during injection molding of a product. The effect can be further improved.
【００１１】[0011]
【実施例】次に本発明の実施例について図面を参照して
詳細に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described in detail with reference to the drawings.
【００１２】図１は本発明の実施例の光硬化樹脂型によ
って製造されるプリンタの蓋を示す斜視図である。図に
おいて、完成品である蓋１１の材料は、ＡＢＳ樹脂であ
る。蓋１１の厚さは２ｍｍ程度である。蓋１１は光硬化
樹脂型にＡＢＳ樹脂を流し込むモールド成形によって製
造される。以下では蓋１１を製造するための光硬化樹脂
型の造形方法について、図２から図７を参照しながら説
明する。FIG. 1 is a perspective view showing a lid of a printer manufactured by a photocurable resin mold according to an embodiment of the present invention. In the drawing, the material of the lid 11, which is a finished product, is an ABS resin. The thickness of the lid 11 is about 2 mm. The lid 11 is manufactured by molding the ABS resin into a photocurable resin mold. Hereinafter, a method of forming a photocurable resin mold for manufacturing the lid 11 will be described with reference to FIGS.
【００１３】図２は射出成形時に蓋１１の上面１１ａ
（図１）の裏側に配置される光硬化樹脂型に使用される
補強構造体と金属容器を示す斜視図である。図におい
て、補強構造体１は、８枚のプレス板金部品２を格子状
に接合して製造されたもので、それは金属容器３に挿入
される。補強構造体１の輪郭は、光硬化樹脂型と同じサ
イズかそれより少し小さいサイズを有し、蓋１１の輪郭
に近い形状を有する。補強構造体１は、金属容器３にほ
ぼ隙間無く入る。FIG. 2 shows the upper surface 11a of the lid 11 during injection molding.
FIG. 2 is a perspective view illustrating a reinforcing structure and a metal container used for a photocurable resin mold disposed on the back side of FIG. 1. In the figure, a reinforcing structure 1 is manufactured by joining eight pressed sheet metal parts 2 in a lattice shape, and is inserted into a metal container 3. The outline of the reinforcing structure 1 has the same size as or slightly smaller than that of the photocurable resin mold, and has a shape close to the outline of the lid 11. The reinforcing structure 1 enters the metal container 3 with almost no gap.
【００１４】図３は蓋１１の上面１１ａの裏側に配置さ
れる光硬化樹脂型の造形方法を示す断面図である。図３
（Ａ）は、図２の補強構造体１を金属容器３に挿入した
ときの図２のＡ−Ａ断面図である。補強構造体１の金属
容器３の上に突出した部分１Ａの輪郭は、図１の蓋１１
の裏面の輪郭を形成する。本実施例は、この補強構造体
を有する光硬化樹脂型を光造形法によって造形すること
を特徴とする。図３（Ｂ）は光造形法による造形の途中
の状態を示す断面図である。本実施例の光造形法は、特
開昭６０−２４７５１５号公報に記載されるように、光
硬化性を有する樹脂をレーザ光源装置２からのレーザ光
をレンズ６を介して集光して層状に硬化する方法を応用
している。使用される光硬化樹脂は、ウレタンアクリル
レート系光硬化樹脂に無機系素材を充填したものであ
る。FIG. 3 is a cross-sectional view showing a molding method of a photo-curing resin type disposed on the back side of the upper surface 11a of the lid 11. FIG.
2A is a cross-sectional view taken along line AA of FIG. 2 when the reinforcing structure 1 of FIG. 2 is inserted into a metal container 3. The outline of the portion 1A of the reinforcing structure 1 protruding above the metal container 3 is shown in FIG.
Is formed on the back surface. The present embodiment is characterized in that a photocurable resin mold having the reinforcing structure is formed by a stereolithography method. FIG. 3B is a cross-sectional view showing a state in the middle of molding by the optical molding method. As described in Japanese Patent Application Laid-Open No. 60-247515, the optical shaping method of the present embodiment focuses a resin having photocurability on a laser beam from a laser light source device 2 through a lens 6 to form a layer. The method of hardening is applied. The photocurable resin used is a urethane acrylate-based photocurable resin filled with an inorganic material.
【００１５】最初、図３（Ａ）の補強構造体１を入れた
金属容器３が漕２０の中に挿入される。次に光硬化樹脂
の流動物質４Ａが漕２０の中に流入され、金属容器３と
補強構造体１の周りがその流動物質で埋められる。但
し、流動物質４Ａを予め入れた漕２０の中に図３（Ａ）
の金属容器を入れても良い。光硬化樹脂の流動物質４Ａ
を漕２０に入れたときに金属箱３が浮かないように固定
装置２１によって補強構造体１を漕２０の底に固定す
る。流動物質４Ａが金属箱３の底面のすぐ上からレーザ
光源装置５からのレーザ光によって５０μｍずつ層状に
硬化され、硬化した光硬化樹脂４が形成される。この場
合、レーザ光源装置５は、３次元ＣＡＤによって作成し
たデータに基づいて移動し、硬化はレーザ光を平面状に
移動しながら行われ、レーザ光で５０μｍの厚さに所定
部分を硬化してから５０μｍずつ漕２０と固定装置２１
を下降し次の硬化層を形成する。なお漕２０と固定装置
２１を移動させずに、あるいは動かしながらレーザ光源
装置５を移動させても良い。本実施例の場合、金属容器
３の内部が補強構造体１のプレス板金部品２の格子状空
間によって分割されているので、レーザ光源装置５を各
格子空間毎に硬化する。First, the metal container 3 containing the reinforcing structure 1 shown in FIG. Next, the flowable material 4A of the photocurable resin flows into the tank 20, and the surroundings of the metal container 3 and the reinforcing structure 1 are filled with the flowable material. However, FIG.
May be placed in the container. Flowable resin 4A of photocurable resin
The reinforcing structure 1 is fixed to the bottom of the row 20 by the fixing device 21 so that the metal box 3 does not float when the metal box 3 is put into the row 20. The fluid substance 4A is cured in a 50 μm layer by laser light from the laser light source device 5 immediately above the bottom surface of the metal box 3 to form a cured photocurable resin 4. In this case, the laser light source device 5 moves based on the data created by the three-dimensional CAD, and the curing is performed while moving the laser light in a plane, and the laser light cures a predetermined portion to a thickness of 50 μm. From the tank 20 and the fixing device 21
To form the next cured layer. The laser light source device 5 may be moved without moving the row 20 and the fixing device 21 or while moving the same. In the case of the present embodiment, since the inside of the metal container 3 is divided by the lattice space of the pressed sheet metal part 2 of the reinforcing structure 1, the laser light source device 5 is hardened for each lattice space.
【００１６】金属容器３の上から突き出た補強構造体の
突出部１Ａ（図３（Ａ））の周囲は、補強構造体１のプ
レス板金部品２が光硬化樹脂４で隠れるようにその輪郭
に沿って硬化される。以上のようにして、補強構造体１
の輪郭及びその内部を硬化した光硬化樹脂４が形成され
ると、漕２０から引き上げられ、洗浄及び乾燥後、図３
（Ｃ）に示す光硬化樹脂型１２が完成する。The periphery of the protruding portion 1A (FIG. 3A) of the reinforcing structure protruding from above the metal container 3 is contoured so that the pressed sheet metal part 2 of the reinforcing structure 1 is hidden by the photocurable resin 4. Cured along. As described above, the reinforcing structure 1
When the light-cured resin 4 having the contour of the inside and the inside thereof is cured, the resin is lifted out of the tank 20, washed and dried.
The photocurable resin mold 12 shown in (C) is completed.
【００１７】次に、光硬化樹脂型１２に合わせられる光
硬化樹脂型で、射出成形時に蓋１１の上面１１ａの側に
配置される光硬化樹脂型の造形方法を説明する。図４は
蓋１１の上面１１ａの側に配置される光硬化樹脂型に使
用される補強構造体と金属箱を示す斜視図である。図に
おいて、補強構造体７は、８枚のプレス板金部品８を格
子状に接合して製造されたもので、それは金属容器９に
挿入される。補強構造体７は、できあがる光硬化樹脂型
と同じサイズかそれより少し小さいサイズを有し蓋１１
の輪郭に近い形状を有するよう製造される。補強構造体
７は、金属容器９にほぼ隙間無く入る。Next, a description will be given of a method of forming a photo-curing resin mold which is arranged on the side of the upper surface 11a of the lid 11 during injection molding. FIG. 4 is a perspective view showing a reinforcing box and a metal box used for the photocurable resin mold disposed on the upper surface 11a side of the lid 11. In the figure, a reinforcing structure 7 is manufactured by joining eight pressed sheet metal parts 8 in a lattice shape, and is inserted into a metal container 9. The reinforcing structure 7 has the same size as or slightly smaller than the photocurable resin mold to be completed and has a
It is manufactured to have a shape close to the contour of The reinforcing structure 7 enters the metal container 9 with almost no gap.
【００１８】図５は蓋１１の上面１１ａの側に配置され
る光硬化樹脂型の造形方法を示す断面図である。図５
（Ａ）は、図４の補強構造体７を金属容器９に挿入して
裏返したときの図４のＢ−Ｂ断面図である。図におい
て、補強構造体７の金属容器９の中に窪んだ窪み部分８
Ａの輪郭は、図１の蓋１１の表面の輪郭を形成する。こ
の補強構造体を有する光硬化樹脂型は、光造形法によっ
て造形される。図５（Ｂ）は光造形法による造形の途中
の状態を示す断面図である。補強構造体７は、金属容器
９より高さが低いので、図３のように光硬化樹脂の流動
物質を入れる漕の中に金属容器９を入れる必要がない。
すなわち、光硬化樹脂の流動物質４Ａは、金属容器９の
中に直接流入される。FIG. 5 is a cross-sectional view showing a molding method of a photo-curing resin type disposed on the upper surface 11a side of the lid 11. FIG.
(A) is a BB cross-sectional view of FIG. 4 when the reinforcing structure 7 of FIG. 4 is inserted into the metal container 9 and turned over. In the figure, a recessed portion 8 recessed in a metal container 9 of a reinforcing structure 7 is shown.
The contour of A forms the contour of the surface of the lid 11 of FIG. The photocurable resin mold having this reinforcing structure is formed by a stereolithography method. FIG. 5B is a cross-sectional view showing a state in the middle of molding by the optical molding method. Since the height of the reinforcing structure 7 is lower than that of the metal container 9, it is not necessary to put the metal container 9 in a tank for storing a flowable material of the photocurable resin as shown in FIG.
That is, the flowable material 4A of the photocurable resin flows directly into the metal container 9.
【００１９】最初、図５（Ａ）の光硬化樹脂の流動物質
４Ａが補強構造体７を入れた金属容器９の中に流入さ
れ、補強構造体７の周りがその流動物質で埋めらる。光
硬化樹脂の流動物質４Ａによって補強構造体７が浮かな
いよう補強構造体７は金属箱９の中にしっかり固定され
る。流動物質４Ａが金属容器３の底面のすぐ上からレー
ザ光源装置５からのレーザ光によって５０μｍずつ層状
に硬化され、硬化した光硬化樹脂４が形成される。この
場合、レーザ光は、３次元ＣＡＤによって作成したデー
タに基づいて発生し、硬化はレーザ光を平面状に移動し
５０μｍの厚さに金属容器９の内部を全面硬化してから
５０μｍずつ金属容器９を下降しながら行われる。ま
た、モールドを注入するためのモールド穴１０が同時に
形成される。なお、硬化は金属容器９を移動させずに、
あるいは動かしながらレーザ光源装置５を上昇させて行
っても良い。本実施例の場合、金属容器９の内部がプレ
ス板金部品２の格子状空間によって分割されているの
で、レーザ光源装置５を各格子空間毎に硬化する。窪み
部分８Ａの周囲は、補強構造体７のプレス板金部品８が
光硬化樹脂４で隠れるようにその輪郭に沿って硬化され
る。First, the flowable material 4A of the photocurable resin shown in FIG. 5A flows into the metal container 9 containing the reinforcing structure 7, and the area around the reinforcing structure 7 is filled with the flowing material. The reinforcing structure 7 is firmly fixed in the metal box 9 so that the reinforcing structure 7 does not float due to the flowable material 4A of the photocurable resin. The fluid substance 4A is cured in a layer of 50 μm from just above the bottom surface of the metal container 3 by the laser light from the laser light source device 5, and the cured photocurable resin 4 is formed. In this case, the laser light is generated based on the data created by the three-dimensional CAD, and the hardening is performed by moving the laser light in a plane and hardening the entire inside of the metal container 9 to a thickness of 50 μm, and then setting the metal container by 50 μm. 9 is performed while descending. Also, a mold hole 10 for injecting a mold is formed at the same time. In addition, hardening does not move the metal container 9,
Alternatively, the laser light source device 5 may be raised while moving. In the case of this embodiment, since the inside of the metal container 9 is divided by the lattice-shaped space of the pressed sheet metal part 2, the laser light source device 5 is hardened for each lattice space. The periphery of the concave portion 8A is cured along the contour so that the pressed sheet metal part 8 of the reinforcing structure 7 is hidden by the photocurable resin 4.
【００２０】以上のようにして、補強構造体７の輪郭及
びその内部を硬化した光硬化樹脂４が形成されると、窪
み部分８Ａのなかに残った光硬化樹脂の流動物質が除去
され、洗浄及び乾燥後、図５（Ｃ）に示す光硬化樹脂型
１３が完成する。As described above, when the photocurable resin 4 in which the outline of the reinforcing structure 7 and the inside thereof are cured is formed, the flowable material of the photocurable resin remaining in the recessed portion 8A is removed, and cleaning is performed. After drying, the photocurable resin mold 13 shown in FIG. 5C is completed.
【００２１】図３（Ｃ）に示す光硬化樹脂型１２と図５
（Ｃ）に示す光硬化樹脂型１３は、図６に示すように接
合される。このとき、光硬化樹脂型１２と１３の間に
は、モールドのための空間ができ、モールド注入穴１０
から溶融したＡＢＳ樹脂が注入される。注入後、光硬化
樹脂型１２と１３は、外側から空冷あるいは水冷方式に
よって冷却され、なかのモールドを冷却する。その後、
図７に示すように光硬化樹脂型１２と１３が互いに分離
され、突片１４を有する蓋１１が形成される。最後に突
片１４を切り落として完成する。The photocurable resin mold 12 shown in FIG.
The photocurable resin mold 13 shown in (C) is joined as shown in FIG. At this time, a space for the mold is formed between the photo-curing resin molds 12 and 13, and the mold injection hole 10 is formed.
, And the molten ABS resin is injected. After the injection, the photocurable resin molds 12 and 13 are cooled from the outside by air cooling or water cooling to cool the mold inside. afterwards,
As shown in FIG. 7, the photocurable resin molds 12 and 13 are separated from each other, and the lid 11 having the projecting pieces 14 is formed. Finally, the protruding piece 14 is cut off to complete.
【００２２】本実施例では、各光硬化樹脂型の中に金属
の補強構造体１と７が挿入されているので、樹脂型の強
度が従来の補強構造体がないものに比べて大幅に増加す
る。また、補強構造体１と７は金属で熱伝導度がよいこ
とから、図６の状態で、モールドを注入し、冷却する場
合、モールドの熱が光硬化樹脂型１２と１３の中の補強
構造体を通して外側の金属箱に伝わり効率よく冷却さ
れ、冷却効果が補強構造体がないときに比べ、大幅に増
加する。しかも、補強構造体１と７が複数のプレス板金
部品２と８によって各光硬化樹脂型１２と１３の中に均
一に挿入され補強しているので、光硬化樹脂型の中を全
体的に冷却できる。総合的に、本実施例の光硬化樹脂型
を使用して射出成形した場合、成形時間が早まるだけで
なく、型の寿命も大幅に増加する。In this embodiment, since the metal reinforcing structures 1 and 7 are inserted into each of the photo-curing resin molds, the strength of the resin mold is greatly increased as compared with the case where there is no conventional reinforcing structure. I do. Further, since the reinforcing structures 1 and 7 are made of metal and have good thermal conductivity, when the mold is injected and cooled in the state of FIG. The heat is transmitted to the outer metal box through the body and is efficiently cooled, and the cooling effect is greatly increased as compared with the case where the reinforcing structure is not provided. Moreover, since the reinforcing structures 1 and 7 are uniformly inserted and reinforced in each of the photocurable resin molds 12 and 13 by the plurality of pressed sheet metal parts 2 and 8, the entire inside of the photocurable resin mold is cooled. it can. Overall, when injection molding is performed using the photocurable resin mold of this embodiment, not only the molding time is shortened, but also the life of the mold is greatly increased.
【００２３】本発明は以上説明した実施例に限定される
ものではない。前述の実施例では補強構造体が、複数の
プレス板金部品を格子状に接合したものであったが、多
角形状で接合したものでも良い。また、プレス板金部品
の代わりに他の金属体を使用しても良い。例えばレーザ
加工によって形成された金属部品でも良い。さらに、図
８及び図９に示すように、円筒形や多角形の金属パイプ
を溶接などによって接合したものでも良い。図８におい
て、補強構造体３０は、蓋１１（図１）の裏面の輪郭形
状に沿ってパイプ３１の形を決めたものである。また図
９において、補強構造体４０は、蓋１１（図１）の表面
の輪郭形状に沿ってパイプ４１の形を決めたものであ
る。この金属パイプを使用した補強構造体３０と４０
は、前述の実施例と同様に金属箱の中に挿入され、光硬
化樹脂の流動物質を流し込み、光造形法によって光硬化
樹脂型が形成される。The present invention is not limited to the embodiment described above. In the above-described embodiment, the reinforcing structure is formed by joining a plurality of pressed sheet metal parts in a lattice shape. However, the reinforcing structure may be joined in a polygonal shape. Further, another metal body may be used instead of the pressed sheet metal part. For example, a metal part formed by laser processing may be used. Further, as shown in FIGS. 8 and 9, a cylindrical or polygonal metal pipe may be joined by welding or the like. 8, the reinforcing structure 30 has a shape of a pipe 31 determined along the contour shape of the back surface of the lid 11 (FIG. 1). In FIG. 9, the reinforcing structure 40 has a shape of a pipe 41 determined along the contour of the surface of the lid 11 (FIG. 1). Reinforcement structures 30 and 40 using this metal pipe
Is inserted into a metal box in the same manner as in the above-described embodiment, and a flowable material of a photo-curing resin is poured into the metal box, and a photo-curing resin mold is formed by an optical shaping method.
【００２４】また、他の実施例として次のようなものが
ある。それは、図８と図９の補強構造体３０と４０のパ
イプがそれぞれ図１０に示すように内部が中空で、かつ
各パイプの中空部が連続的につながっているものであ
る。この場合、パイプの中に冷却水が注入され、射出成
形時のモールドの冷却を補助する。図８と図９の各補強
構造体ではパイプの先端が複数あるので、どのパイプの
先端を冷却水の流入口、流出口にするかは、任意に決め
られる。この場合、流入口と流出口は複数あっても良
い。但し、流入口と流出口以外にパイプの先端がある場
合は、それら先端は塞がれるものとする。Another embodiment is as follows. As shown in FIG. 10, the pipes of the reinforcing structures 30 and 40 shown in FIGS. 8 and 9 are hollow inside, and the hollow portions of the pipes are continuously connected. In this case, cooling water is injected into the pipe to assist in cooling the mold during injection molding. In each of the reinforcing structures shown in FIGS. 8 and 9, since there are a plurality of pipe ends, it is arbitrarily determined which of the pipe ends is used as the cooling water inlet and outlet. In this case, there may be a plurality of inlets and outlets. However, if there are pipe ends other than the inlet and outlet, those ends shall be closed.
【００２５】補強構造体３０と４０のパイプは、その中
に冷却水を流入させるものであれば、金属パイプでなく
てのプラスチックパイプであっても良い。The pipes of the reinforcing structures 30 and 40 may be plastic pipes instead of metal pipes as long as they allow cooling water to flow therein.
【００２６】以上説明した実施例における光硬化樹脂型
の補強構造体の素材として金属を使用したが、熱伝導率
が光硬化樹脂よりも優れ、かつ強度も勝る素材であれ
ば、冷却、補強が改善され型の寿命が延びる為に利用で
きる。このような素材としては、エンジニアリングプラ
スチックであるノリル、レキサン、バロックスク等があ
げられる。このエンジニアリングプラスチックに金属性
のフィラーを混合した材料は、さらに熱伝導効果に優れ
る。また実施例で使用した金属容器もこれら熱伝導材料
の容器や他の放熱手段に置き換えられる。Although a metal is used as the material of the photo-curable resin-type reinforcing structure in the above-described embodiment, if the material has a higher thermal conductivity than the photo-curable resin and has a higher strength, cooling and reinforcing are performed. It can be used for improved mold life. Examples of such a material include engineering plastics such as Noryl, Lexan, and Baroquesk. A material in which a metallic filler is mixed with this engineering plastic has a further excellent heat conduction effect. Further, the metal container used in the embodiment may be replaced with a container made of these heat conductive materials or other heat radiating means.
【００２７】さらに、これまでは型構造を構造的に強化
する方法、又は型を効率良く冷却する方法を取り上げ説
明してきたが、成形樹脂材料でも例えば、ＡＢＳを自己
発泡性を有するＡＢＳに変更する事により型締め圧力を
低く押さえる事が出来るので型寿命が伸びる。Further, a method of structurally reinforcing the mold structure or a method of efficiently cooling the mold has been described so far. For example, the molding resin material is changed from ABS to self-foaming ABS. As a result, the mold clamping pressure can be kept low and the mold life is extended.
【００２８】同様な材料として成形時に発泡材を混入す
るストラクチュアル・フォームも有効である。これらを
組合わせる事、つまり本発明により製作した樹脂型に対
して成形材料として発泡性樹脂を使用して成形する事に
より、更に大型成形が可能となり、同一サイズであれば
型寿命が伸びる。As a similar material, a structural foam in which a foaming material is mixed during molding is also effective. By combining these, that is, by molding a resin mold manufactured according to the present invention using a foaming resin as a molding material, a larger molding can be performed, and if the same size is used, the life of the mold is extended.
【００２９】[0029]
【発明の効果】本発明の光造形法による光硬化樹脂型
は、型強度を向上させ、樹脂型の冷却効果を改善するこ
とになるので、光硬化樹脂型の成形時における寿命を大
幅に改善する効果がある。According to the photo-curing resin mold of the present invention, since the photo-curing resin mold improves the mold strength and improves the cooling effect of the resin mold, the life during molding of the photo-curing resin mold is greatly improved. Has the effect of doing
【図１】図１は本発明の実施例の光硬化樹脂型によって
製造されるプリンタの蓋を示す斜視図である。FIG. 1 is a perspective view showing a lid of a printer manufactured by a photocurable resin mold according to an embodiment of the present invention.
【図２】図２は射出成形時に図１の蓋の上面の裏側に配
置される光硬化樹脂型に使用される補強構造体と金属容
器を示す斜視図である。FIG. 2 is a perspective view showing a reinforcing structure and a metal container used for a photocurable resin mold arranged on the back side of the upper surface of the lid of FIG. 1 during injection molding.
【図３】図３は図１の蓋の上面の裏側に配置される光硬
化樹脂型の造形方法を示す断面図で、（Ａ）は図２の補
強構造体と金属容器を組み立てたときのＡ−Ａの断面
図、（Ｂ）は光造形途中の断面図、（Ｃ）は完成した光
硬化樹脂型の断面図である。3A and 3B are cross-sectional views illustrating a method of forming a photo-curable resin type disposed on the back side of the upper surface of a lid in FIG. 1; FIG. 3A illustrates a state where the reinforcing structure and a metal container illustrated in FIG. 2 are assembled; FIG. 2 is a cross-sectional view of AA, FIG. 2B is a cross-sectional view during optical molding, and FIG. 1C is a cross-sectional view of a completed photocurable resin mold.
【図４】図４は射出成形時に図１の蓋の上面側に配置さ
れる光硬化樹脂型に使用される補強構造体と金属容器を
示す斜視図である。FIG. 4 is a perspective view showing a reinforcing structure and a metal container used for a photocurable resin mold arranged on the upper surface side of the lid in FIG. 1 during injection molding.
【図５】図５は図１の蓋の上面側に配置される光硬化樹
脂型の造形方法を示す断面図で、（Ａ）は図４の補強構
造体と金属容器を組み立てたときのＢ−Ｂ断面図、
（Ｂ）は光造形途中の断面図、（Ｃ）は完成した光硬化
樹脂型の断面図である。5A and 5B are cross-sectional views illustrating a method of forming a photo-curing resin type disposed on the upper surface side of a lid in FIG. 1; FIG. -B sectional view,
(B) is a cross-sectional view during optical molding, and (C) is a cross-sectional view of the completed photocurable resin mold.
【図６】図６は射出成形中を示す断面図である。FIG. 6 is a sectional view showing the state during injection molding.
【図７】図７は射出成形直後の断面図である。FIG. 7 is a sectional view immediately after injection molding.
【図８】図８は他の補強構造体を示す斜視図である。FIG. 8 is a perspective view showing another reinforcing structure.
【図９】図９は他の補強構造体を示す斜視図である。FIG. 9 is a perspective view showing another reinforcing structure.
【図１０】図１０は他の補強構造体のパイプの断面図で
ある。FIG. 10 is a sectional view of a pipe of another reinforcing structure.
１ 補強構造体 ２ プレス板金部品 ３ 金属容器 ４ 光硬化樹脂 １２ 光硬化樹脂型 １３ 光硬化樹脂型 DESCRIPTION OF SYMBOLS 1 Reinforcement structure 2 Press sheet metal part 3 Metal container 4 Photocurable resin 12 Photocurable resin type 13 Photocurable resin type
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ // Ｂ２９Ｋ 105:24 ──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. 6 Identification code FI // B29K 105: 24
Claims (7)
射することによって所望の形状に硬化して造形され、製
品を成形するために使用される光硬化樹脂型において、 内部に前記流動物質を光硬化した樹脂より熱伝導度と硬
度が優れた複数の板金部品を組み合わせて構成された補
強構造体が挿入され、前記補強構造体の輪郭形状は前記
製品の輪郭形状を有することを特徴とする光硬化樹脂
型。1. A photo-curable resin mold that is cured and formed into a desired shape by selectively irradiating light to a fluid material of a photo-curable resin, and is used for molding a product. A reinforcing structure formed by combining a plurality of sheet metal parts having better thermal conductivity and hardness than a resin obtained by photocuring a substance is inserted, and a contour of the reinforcing structure has a contour of the product. Photo-curable resin type.
入された樹脂型で、前記補強構造体の前記熱伝導体の一
部が前記熱伝導容器に接触することを特徴とする請求項
１に記載された光硬化樹脂型。2. The heat-curable resin mold is a resin mold inserted into a heat-conducting container, wherein a part of the heat-conducting body of the reinforcing structure contacts the heat-conducting container. Item 1. The photocurable resin type according to item 1.
とを特徴とする請求項１に記載された光硬化樹脂型。3. The photo-curable resin mold according to claim 1, wherein the reinforcing structure contacts a heat radiating means.
状に組み合わせて構成されたことを特徴とする請求項１
に記載された光硬化樹脂型。4. The reinforcing structure according to claim 1, wherein the sheet metal parts are combined in a lattice shape.
Photocurable resin type described in 1.
射することによって所望の形状に硬化して造形され、製
品を成形するために使用される光硬化樹脂型において、 内部に複数の熱伝導パイプを組み合わせて構成された補
強構造体が挿入され、前記補強構造体の輪郭形状は前記
製品の輪郭形状を有することを特徴とする光硬化樹脂
型。5. A photo-curable resin mold which is cured and shaped into a desired shape by selectively irradiating light to a fluid material of the photo-curable resin, and is used for molding a product. A light-curing resin type, wherein a reinforcing structure formed by combining heat conducting pipes is inserted, and a contour of the reinforcing structure has a contour of the product.
入された樹脂型で、前記補強構造体の前記熱伝導パイプ
の一部が前記熱伝導容器に接触することを特徴とする請
求項５に記載された光硬化樹脂型。6. The photo-curable resin mold is a resin mold inserted into a heat conductive container, and a part of the heat conductive pipe of the reinforcing structure contacts the heat conductive container. Item 6. A photocurable resin type according to item 5.
過できる流水路を有し、前記熱伝導パイプの一部に前記
冷却水の流入口と流出口が形成されたことを特徴とする
請求項５に記載された光硬化樹脂型。7. The heat conduction pipe has a flow passage through which cooling water can pass, and an inlet and an outlet for the cooling water are formed in a part of the heat conduction pipe. A photocurable resin type according to claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7004778A JP2737679B2 (en) | 1995-01-17 | 1995-01-17 | Light curing resin type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7004778A JP2737679B2 (en) | 1995-01-17 | 1995-01-17 | Light curing resin type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08192467A JPH08192467A (en) | 1996-07-30 |
| JP2737679B2 true JP2737679B2 (en) | 1998-04-08 |
Family
ID=11593290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7004778A Expired - Fee Related JP2737679B2 (en) | 1995-01-17 | 1995-01-17 | Light curing resin type |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2737679B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4242996B2 (en) * | 2000-03-28 | 2009-03-25 | 帝人ファイバー株式会社 | Cushion material molding die manufacturing method |
| JP6308421B2 (en) * | 2014-01-16 | 2018-04-11 | 株式会社Ihi | Manufacturing method of three-dimensional structure |
| JP6540940B2 (en) * | 2014-07-15 | 2019-07-10 | 有限会社スワニー | Manufacturing method of mold for mass production of resin molded products |
| US10940656B2 (en) | 2017-05-31 | 2021-03-09 | The Boeing Company | Press assembly having a press tool |
| US11413802B2 (en) * | 2018-03-22 | 2022-08-16 | Honda Motor Co., Ltd. | Reusable mold for injection molding and molding method |
| JP7255233B2 (en) * | 2019-02-25 | 2023-04-11 | 三菱ケミカル株式会社 | mold |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2585493B2 (en) * | 1991-11-08 | 1997-02-26 | 威雄 中川 | Injection mold manufacturing method using photocurable resin |
-
1995
- 1995-01-17 JP JP7004778A patent/JP2737679B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08192467A (en) | 1996-07-30 |
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