JP2017007221A5 - Powder material conveying member, powder bed fusion bonding apparatus, and powder bed fusion bonding method - Google Patents

Powder material conveying member, powder bed fusion bonding apparatus, and powder bed fusion bonding method Download PDF

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JP2017007221A5
JP2017007221A5 JP2015125469A JP2015125469A JP2017007221A5 JP 2017007221 A5 JP2017007221 A5 JP 2017007221A5 JP 2015125469 A JP2015125469 A JP 2015125469A JP 2015125469 A JP2015125469 A JP 2015125469A JP 2017007221 A5 JP2017007221 A5 JP 2017007221A5
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powder material
blades
conveying member
powder
fusion bonding
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本発明は、粉末材料の薄層を選択的に溶融し結合したものを積層し、３次元造形物を作製する粉末材料の運搬部材、粉末床溶融結合装置及び粉末床溶融結合方法に関する。 The present invention relates to a powder material conveying member, a powder bed melting and bonding apparatus, and a powder bed melting and bonding method, in which thin layers of powder material are selectively melted and bonded to form a three-dimensional structure.

本発明は、上述の問題点に鑑みて創作されたものであり、粉末材料が重い場合でも粉末材料を運搬するときに下の層に部分的に大きな荷重がかからないようにすることができる運搬部材（リコータ）を備えた粉末材料の運搬部材、粉末床溶融結合装置及び粉末床溶融結合方法を提供するものである。 The present invention has been created in view of the above-mentioned problems, and a conveying member that can prevent a large load from being partially applied to the lower layer when conveying the powder material even when the powder material is heavy. The present invention provides a powder material carrying member, a powder bed fusion bonding apparatus and a powder bed fusion bonding method provided with a (recoater).

上記課題を解決するため、一観点によれば、複数の横長のブレードを有し、各前記ブレードが移動方向に対面しかつ相互に間隔を空けて並んでいることを特徴とする粉末材料の運搬部材が提供される。
また、別の観点によれば、粉末材料を収納する粉末材料収納容器と、前記粉末材料収納容器と並べて置かれ、粉末材料の薄層を形成する薄層形成容器と、前記粉末材料収納容器と前記薄層形成容器の上面を移動し、前記粉末材料を運ぶ運搬部材とを有し、前記運搬部材は、複数の横長のブレードを備え、各前記ブレードが移動方向に対面しかつ相互に間隔を空けて並んでいることを特徴とする粉末床溶融結合装置が提供される。 In order to solve the above-mentioned problem, according to one aspect , the present invention has a plurality of horizontally long blades, and the blades face each other in the moving direction and are arranged at intervals from each other. A member is provided.
According to another aspect, a powder material storage container for storing a powder material, a thin layer forming container that is placed side by side with the powder material storage container to form a thin layer of the powder material, and the powder material storage container; A conveying member that moves on the upper surface of the thin layer forming container and conveys the powder material, and the conveying member includes a plurality of horizontally long blades, each of the blades facing the moving direction and spaced apart from each other. A powder bed melt bonding apparatus is provided that is characterized by being spaced side by side.

Claims (8)

複数の横長のブレードを有し、各前記ブレードが移動方向に対面しかつ相互に間隔を空けて並んでいることを特徴とする粉末材料の運搬部材。A conveying member for a powder material, comprising a plurality of horizontally long blades, wherein the blades face each other in the moving direction and are arranged at a distance from each other. 複数の前記ブレードのうち少なくとも前記移動方向に対して最後部の前記ブレードの下端部は、最後部の前記ブレードの前方に位置する前記ブレードの下端部より低くなっていることを特徴とする請求項１に記載の粉末材料の運搬部材。The lower end portion of the blade at the rearmost portion of the plurality of blades at least in the moving direction is lower than the lower end portion of the blade located in front of the blade at the rearmost portion. 2. A conveying member for a powder material according to 1. 粉末材料を収納する粉末材料収納容器と、
前記粉末材料収納容器と並べて置かれ、粉末材料の薄層を形成する薄層形成容器と、
前記粉末材料収納容器と前記薄層形成容器の上面を移動し、前記粉末材料を運ぶ運搬部材とを有し、
前記運搬部材は、複数の横長のブレードを有し、各前記ブレードが移動方向に対面しかつ相互に間隔を空けて並んでいることを特徴とする粉末床溶融結合装置。 A powder material storage container for storing the powder material;
A thin layer forming container that is placed side by side with the powder material storage container to form a thin layer of the powder material;
Moving the powder material storage container and the upper surface of the thin layer forming container, and having a conveying member for carrying the powder material,
The powder bed fusion bonding apparatus, wherein the conveying member has a plurality of horizontally long blades, and the blades face each other in a moving direction and are arranged at intervals. 前記粉末材料の薄層を加熱するエネルギービームを出射するエネルギービーム出射部をさらに有することを特徴とする請求項３に記載の粉末床溶融結合装置。 The powder bed fusion bonding apparatus according to claim 3 , further comprising an energy beam emitting unit that emits an energy beam for heating the thin layer of the powder material. 前記運搬部材では、複数の前記ブレードのうち少なくとも前記移動方向に対して最後部の前記ブレードの下端部は、前記粉末材料収納容器と前記薄層形成容器の上面に接して移動することを特徴とする請求項３に記載の粉末床溶融結合装置。 In the conveying member, at least a lower end portion of the blade at the rearmost part of the plurality of blades moves in contact with the upper surfaces of the powder material storage container and the thin layer forming container with respect to the moving direction. The powder bed fusion bonding apparatus according to claim 3 . 前記粉末材料収納容器は、底に前記粉末材料を載せる昇降台を有し、複数の前記ブレードのうち前記移動方向に対して最後部の前記ブレードを前記粉末材料収納容器の縁に配置したときに、残りの１以上の前記ブレードが前記粉末材料の上に配置される大きさを有することを特徴とする請求項３に記載の粉末床溶融結合装置。 The powder material storage container has a lifting platform on which the powder material is placed on the bottom, and when the last blade of the plurality of blades in the moving direction is arranged at the edge of the powder material storage container 4. The powder bed melt bonding apparatus of claim 3 , wherein the remaining one or more blades are sized to be disposed on the powder material. 制御手段をさらに有し、
前記制御手段は、
前記運搬部材を移動させて、前記粉末材料を収納した前記粉末材料収納容器の縁に前記最後部のブレードを配置するとともに、残りの１以上の前記ブレードを前記粉末材料の上に配置する工程と、
前記昇降台を上昇させて前記粉末材料を押し上げ、前記複数のブレードの間に供給する工程と、
前記運搬部材を移動させ、前記複数のブレードの間に前記粉末材料を保持した状態で前記粉末材料を運ぶ工程と
を有することを特徴とする請求項６に記載の粉末床溶融結合装置。 A control means;
The control means includes
Moving the conveying member to dispose the last blade on the edge of the powder material storage container containing the powder material, and disposing one or more remaining blades on the powder material; ,
Raising the elevator to push up the powder material and supplying between the blades;
The powder bed fusion bonding apparatus according to claim 6 , further comprising a step of moving the conveying member and conveying the powder material while holding the powder material between the plurality of blades. 複数の横長のブレードを有し、各前記ブレードが移動方向に対面しかつ相互に間隔を空けて並んでいる運搬部材を用意する工程と、
前記運搬部材を粉末材料の上に移動させ、前記粉末材料を押し上げて複数の前記ブレードの間に供給する工程と、
前記運搬部材を移動させて、前記複数のブレードの間に前記粉末材料を保持した状態で前記粉末材料を運ぶ工程と
を有することを特徴とする粉末床溶融結合方法。 Providing a conveying member having a plurality of horizontally long blades, each of the blades facing in the moving direction and arranged at a distance from each other;
Moving the conveying member over the powder material, pushing up the powder material and supplying it between the blades;
Moving the conveying member to carry the powder material while holding the powder material between the plurality of blades.
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