TWM514922U - 3D printing platform and 3D printing device - Google Patents
3D printing platform and 3D printing device Download PDFInfo
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本新型創作是有關於一種列印載台與列印裝置,且特別是有關於一種三維列印載台與三維列印裝置。The present invention relates to a printing stage and a printing apparatus, and more particularly to a three-dimensional printing stage and a three-dimensional printing apparatus.
隨著科技發展,三維列印(3D printing)技術及增材製造(Additive Manufacturing,AM)技術已經成為最主要發展的技術之一。上述這些技術屬於快速成型技術的一種,它可以直接藉由使用者設計好的數位模型檔案來直接製造出所需的成品,且成品幾乎是任意形狀的三維實體。With the development of technology, 3D printing technology and Additive Manufacturing (AM) technology have become one of the most important development technologies. These technologies are one of the rapid prototyping technologies. They can directly produce the desired finished product directly by the user-designed digital model file, and the finished product is almost a three-dimensional entity of any shape.
一般而言,加成式製造技術是將利用電腦輔助設計(computer aided design, CAD)等軟體所建構的3D模型的設計資料轉換為連續堆疊的多個薄(准二維)橫截面層。於此同時,許多可以形成多個薄橫截面層的技術手段也逐漸被提出。舉例來說,列印裝置的列印模組通常可依據3D模型的設計資料所建構的空間座標XYZ在基座的上方沿著XY平面移動,從而使建構材料形成正確的橫截面層形狀。所沉積的建構材料可隨後自然硬化,或者透過加熱或光源的照射而被固化,從而形成所要的橫截面層。因此,藉由列印模組沿著軸向Z逐層移動,即可使多個橫截面層沿Z軸逐漸堆疊,進而使建構材料在逐層固化的狀態下形成立體物件。In general, the additive manufacturing technique converts design data of a 3D model constructed using software such as computer aided design (CAD) into a plurality of thin (quasi-two-dimensional) cross-section layers that are continuously stacked. At the same time, many technical means for forming a plurality of thin cross-section layers have also been proposed. For example, the printing module of the printing device can generally move along the XY plane above the pedestal according to the space coordinate XYZ constructed by the design data of the 3D model, so that the construction material forms the correct cross-sectional layer shape. The deposited build material can then be naturally hardened or cured by heating or illumination of the source to form the desired cross-sectional layer. Therefore, by moving the printing module layer by layer along the axial direction Z, a plurality of cross-sectional layers can be gradually stacked along the Z-axis, thereby forming the three-dimensional object in the layer-by-layer curing state.
現有的三維列印技術根據各式的機型及材料有多種不同的成型機制,例如是液態光固化樹脂、漿料等材料,透過逐層堆疊累積的方式來構造出所需形狀的三維實體,其中光固化成型(Stereolithography, SLA)和數位化光處理(Digital Light Processing, DLP)具有較高的製作精度及較佳的表面品質。以透過光源固化建構材料而形成立體物件的技術為例,三維列印載台適於浸入盛裝在光固化樹脂槽中的光固化樹脂中,而光源模組在光固化樹脂槽下方照射光固化樹脂,以使XY平面上(也就是三維列印載台與光固化樹脂槽的內底面之間)的光固化樹脂被固化,並堆疊在列印模組的三維列印載台上。如此,藉由三維列印載台被移動機構帶動而沿著軸向Z逐層移動,即可使光固化樹脂逐層固化並堆疊成三維列印物件。The existing three-dimensional printing technology has various molding mechanisms according to various types of machines and materials, such as liquid photo-curing resin, slurry and the like, and constructs a three-dimensional entity of a desired shape by stacking layers by layer. Among them, Stereolithography (SLA) and Digital Light Processing (DLP) have high precision and better surface quality. For example, a technique of forming a three-dimensional object by curing a building material by a light source is suitable for immersing in a photocurable resin contained in a photocurable resin bath, and the light source module is irradiated with a photocurable resin under the photocurable resin tank. The photocurable resin on the XY plane (that is, between the three-dimensional printing stage and the inner bottom surface of the photocurable resin tank) is cured and stacked on the three-dimensional printing stage of the printing module. In this way, by moving the three-dimensional printing stage by the moving mechanism and moving layer by layer along the axial direction Z, the photo-curable resin can be layer-by-layer cured and stacked into a three-dimensional printed object.
然而,即便是光固化樹脂槽的內底面為鐵氟龍塗層或是PDMS矽膠等較不沾黏的材質,在列印過程中,三維列印物件可能會黏附於光固化樹脂槽的內底面,而使得三維列印物件不易分離於光固化樹脂槽的內底面。However, even if the inner bottom surface of the photocurable resin tank is a relatively non-stick material such as Teflon coating or PDMS silicone, the three-dimensional printing object may adhere to the inner bottom surface of the photocurable resin tank during the printing process. Therefore, the three-dimensional printed matter is not easily separated from the inner bottom surface of the photocurable resin tank.
本新型創作提供一種三維列印載台,其可使三維列印物件容易分離於光固化樹脂槽的內底面。The present invention provides a three-dimensional printing stage that allows three-dimensional printing articles to be easily separated from the inner bottom surface of the photocurable resin tank.
本新型創作提供一種三維列印裝置,其具有上述的三維列印載台。The present invention provides a three-dimensional printing apparatus having the above-described three-dimensional printing stage.
本新型創作的一種三維列印裝置,包括一光固化樹脂槽及一三維列印載台。光固化樹脂槽適於裝承一光固化樹脂,光固化樹脂槽具有一內底面。三維列印載台適於進入光固化樹脂槽,三維列印載台包括一壓電層,其中在三維列印的過程中,當位在三維列印載台與內底面之間的光固化樹脂固化為一三維列印物件之後,壓電層適於被通入電壓而收縮,以使固化於三維列印載台上的三維列印物件與內底面分離。A three-dimensional printing device created by the present invention comprises a photocurable resin tank and a three-dimensional printing stage. The photocurable resin tank is adapted to hold a photocurable resin, and the photocurable resin tank has an inner bottom surface. The three-dimensional printing stage is adapted to enter the photocurable resin tank, and the three-dimensional printing stage comprises a piezoelectric layer, wherein in the process of three-dimensional printing, the photocurable resin is positioned between the three-dimensional printing stage and the inner bottom surface. After curing into a three-dimensional printed object, the piezoelectric layer is adapted to be shrunk by a voltage application to separate the three-dimensional printed matter solidified on the three-dimensional printing stage from the inner bottom surface.
在本新型創作的一實施例中,上述的壓電層包括壓電單晶體、壓電多晶體或是壓電聚合物。In an embodiment of the present invention, the piezoelectric layer comprises a piezoelectric single crystal, a piezoelectric polycrystal or a piezoelectric polymer.
在本新型創作的一實施例中,上述的壓電單晶體包括石英壓電晶體、鐵電型壓電晶體鈮酸鋰或鈮酸鉭,壓電多晶體包括鋯鈦酸鉛,壓電聚合物包括聚偏二氟乙烯、聚氟乙烯或聚氯乙烯。In an embodiment of the present invention, the piezoelectric single crystal includes a quartz piezoelectric crystal, a ferroelectric piezoelectric crystal lithium niobate or tantalum ruthenate, the piezoelectric polycrystal includes lead zirconate titanate, and the piezoelectric polymer includes Polyvinylidene fluoride, polyvinyl fluoride or polyvinyl chloride.
在本新型創作的一實施例中,上述的三維列印載台包括一表面層,在三維列印的過程中,三維列印物件適於接觸表面層,且整個表面層為壓電層。In an embodiment of the present invention, the three-dimensional printing stage includes a surface layer. In the process of three-dimensional printing, the three-dimensional printing object is adapted to contact the surface layer, and the entire surface layer is a piezoelectric layer.
在本新型創作的一實施例中,上述的三維列印載台包括一表面層,在三維列印的過程中,三維列印物件適於接觸表面層,表面層包括一中央區與環繞中央區的一周圍區,且壓電層位於周圍區。In an embodiment of the present invention, the three-dimensional printing stage comprises a surface layer. In the process of three-dimensional printing, the three-dimensional printing object is adapted to contact the surface layer, and the surface layer comprises a central area and a surrounding central area. A surrounding area, and the piezoelectric layer is located in the surrounding area.
本新型創作的一三維列印載台,適用於一三維列印裝置,三維列印裝置包括一光固化樹脂槽,光固化樹脂槽適於裝承一光固化樹脂且具有一內底面,三維列印載台包括一壓電層,其中在三維列印的過程中,三維列印載台適於進入光固化樹脂槽,當位在三維列印載台與內底面之間的光固化樹脂固化為一三維列印物件之後,壓電層適於被通入電壓而收縮,以使固化於三維列印載台上的三維列印物件與內底面分離。The three-dimensional printing stage created by the novel is suitable for a three-dimensional printing device. The three-dimensional printing device comprises a photo-curing resin tank, and the photo-curing resin tank is adapted to receive a photo-curing resin and has an inner bottom surface, a three-dimensional column. The printing stage comprises a piezoelectric layer, wherein in the process of three-dimensional printing, the three-dimensional printing stage is adapted to enter the photo-curing resin tank, and the photo-curing resin located between the three-dimensional printing stage and the inner bottom surface is cured to After printing the object in three dimensions, the piezoelectric layer is adapted to be shrunk by the voltage applied to separate the three-dimensional printed object solidified on the three-dimensional printing stage from the inner bottom surface.
在本新型創作的一實施例中,上述的壓電層包括壓電單晶體、壓電多晶體或是壓電聚合物。In an embodiment of the present invention, the piezoelectric layer comprises a piezoelectric single crystal, a piezoelectric polycrystal or a piezoelectric polymer.
在本新型創作的一實施例中,上述的壓電單晶體包括石英壓電晶體、鐵電型壓電晶體鈮酸鋰或鈮酸鉭,壓電多晶體包括鋯鈦酸鉛,壓電聚合物包括聚偏二氟乙烯、聚氟乙烯或聚氯乙烯。In an embodiment of the present invention, the piezoelectric single crystal includes a quartz piezoelectric crystal, a ferroelectric piezoelectric crystal lithium niobate or tantalum ruthenate, the piezoelectric polycrystal includes lead zirconate titanate, and the piezoelectric polymer includes Polyvinylidene fluoride, polyvinyl fluoride or polyvinyl chloride.
在本新型創作的一實施例中,上述的三維列印載台包括一表面層,在三維列印的過程中,三維列印物件適於接觸表面層,且整個表面層為壓電層。In an embodiment of the present invention, the three-dimensional printing stage includes a surface layer. In the process of three-dimensional printing, the three-dimensional printing object is adapted to contact the surface layer, and the entire surface layer is a piezoelectric layer.
在本新型創作的一實施例中,上述的三維列印載台包括一表面層,在三維列印的過程中,三維列印物件適於接觸表面層,表面層包括一中央區與環繞中央區的一周圍區,且壓電層位於周圍區。In an embodiment of the present invention, the three-dimensional printing stage comprises a surface layer. In the process of three-dimensional printing, the three-dimensional printing object is adapted to contact the surface layer, and the surface layer comprises a central area and a surrounding central area. A surrounding area, and the piezoelectric layer is located in the surrounding area.
基於上述,本新型創作的三維列印裝置的三維列印載台包括一壓電層,當位在三維列印載台與光固化樹脂槽的內底面之間的光固化樹脂固化為三維列印物件之後,壓電層適於被通入電壓而收縮,以使固化於三維列印載台上的三維列印物件與內底面分離。壓電層可以位在與三維列印物件接觸的整個表面層,壓電層在被通電時,三維列印載台的整個表面層的體積收縮,三維列印物件隨之上移。或者,壓電層也可以位在與三維列印物件接觸的表面層的周圍區,壓電層在被通電時,三維列印載台的周圍區的體積收縮,而使周圍區翹起,三維列印物件在外圍的部位隨之上移,液態的光固化樹脂進入三維列印物件與光固化樹脂槽的內底面,而使得三維列印物件能夠容易與光固化樹脂槽的內底面分離。Based on the above, the three-dimensional printing stage of the three-dimensional printing device of the present invention comprises a piezoelectric layer, and the photocuring resin between the three-dimensional printing stage and the inner bottom surface of the photocurable resin tank is solidified into three-dimensional printing. After the object, the piezoelectric layer is adapted to be shrunk by the voltage applied to separate the three-dimensional printed object solidified on the three-dimensional printing stage from the inner bottom surface. The piezoelectric layer can be positioned over the entire surface layer in contact with the three-dimensional printed object. When the piezoelectric layer is energized, the volume of the entire surface layer of the three-dimensional printing stage shrinks, and the three-dimensional printed object moves up. Alternatively, the piezoelectric layer may also be located in a peripheral region of the surface layer in contact with the three-dimensional printed object. When the piezoelectric layer is energized, the volume of the surrounding area of the three-dimensional printing stage is contracted, and the surrounding area is lifted, three-dimensional. The printed article is then moved up at the peripheral portion, and the liquid photocurable resin enters the inner bottom surface of the three-dimensional printed object and the photo-curable resin groove, so that the three-dimensional printed article can be easily separated from the inner bottom surface of the photo-curable resin groove.
為讓本新型創作的上述特徵和優點能更明顯易懂,下文特舉實施例,並配合所附圖式作詳細說明如下。The above described features and advantages of the present invention will become more apparent and understood from the following description.
圖1是依照本新型創作的一實施例的一種三維列印裝置的示意圖。請參閱圖1,本實施例的三維列印裝置100是以使用光固化成型(Stereolithography, SLA)和數位化光處理(Digital Light Processing, DLP)技術的三維列印裝置為例。三維列印裝置100包括一光固化樹脂槽110及一三維列印載台120。光固化樹脂槽110內盛裝有液態的光固化樹脂10。如圖1所示,光固化樹脂槽110具有一內底面112。光固化樹脂槽110的內底面112的材質可以是鐵氟龍塗層或是PDMS矽膠等較不沾黏的材質。當然,光固化樹脂槽110的內底面112的材質並不以上述為限制。1 is a schematic diagram of a three-dimensional printing apparatus in accordance with an embodiment of the present invention. Referring to FIG. 1 , the three-dimensional printing apparatus 100 of the present embodiment is exemplified by a three-dimensional printing apparatus using a technique of Stereolithography (SLA) and Digital Light Processing (DLP). The three-dimensional printing apparatus 100 includes a photo-curable resin tank 110 and a three-dimensional printing stage 120. The photocurable resin tank 110 contains a liquid photocurable resin 10 therein. As shown in FIG. 1, the photo-curable resin tank 110 has an inner bottom surface 112. The material of the inner bottom surface 112 of the photocurable resin tank 110 may be a relatively non-stick material such as a Teflon coating or a PDMS silicone. Of course, the material of the inner bottom surface 112 of the photo-curable resin tank 110 is not limited to the above.
三維列印載台120設置於移動機構(未繪示)上,三維列印載台120適於浸入盛裝在光固化樹脂槽110中的液態的光固化樹脂10中,而光源模組在光固化樹脂槽110下方照射光固化樹脂10,以使三維列印載台120與光固化樹脂槽110的內底面112之間的此層光固化樹脂10被固化在三維列印載台120上。如此,藉由三維列印載台120被移動機構帶動而沿著軸向Z逐層移動,即可使光固化樹脂10逐層固化並堆疊成三維列印物件20(圖1中僅示意性地繪示一層)。The three-dimensional printing stage 120 is disposed on a moving mechanism (not shown), and the three-dimensional printing stage 120 is adapted to be immersed in the liquid photo-curing resin 10 contained in the photo-curing resin tank 110, and the light source module is photo-cured. The photocurable resin 10 is irradiated under the resin tank 110 such that the layer of the photocurable resin 10 between the three-dimensional printing stage 120 and the inner bottom surface 112 of the photocurable resin tank 110 is solidified on the three-dimensional printing stage 120. Thus, by the three-dimensional printing stage 120 being driven by the moving mechanism and moving layer by layer along the axial direction Z, the photocurable resin 10 can be solidified layer by layer and stacked into a three-dimensional printing object 20 (only schematically in FIG. 1) Show a layer).
在本實施例中,三維列印載台120包括位於最下方的一表面層122,表面層122會是三維列印物件20直接接觸的位置。在三維列印的一開始,三維列印載台120會下降至僅距離光固化樹脂槽110的內底面112一小段距離(例如是約50微米)處。也就是說,位在三維列印載台120的表面層122與光固化樹脂槽110的內底面122之間的光固化樹脂10的高度約為50微米。接著,光源模組會照射此部分的光固化樹脂10,而使得原本是液態的光固化樹脂10固化成為三維列印物件20的其中一層(如圖1所示)。再來,三維列印載台120會繼續往上移動一小段距離,以重複上述的固化作業。In the present embodiment, the three-dimensional printing stage 120 includes a surface layer 122 at the bottom, and the surface layer 122 is a position where the three-dimensional printing object 20 is in direct contact. At the beginning of the three-dimensional printing, the three-dimensional printing stage 120 is lowered to a small distance (for example, about 50 μm) from the inner bottom surface 112 of the photo-curing resin tank 110. That is, the height of the photocurable resin 10 positioned between the surface layer 122 of the three-dimensional printing stage 120 and the inner bottom surface 122 of the photocurable resin bath 110 is about 50 μm. Then, the light source module irradiates the portion of the photocurable resin 10, so that the photocurable resin 10 which is originally liquid is solidified into one layer of the three-dimensional printing article 20 (as shown in FIG. 1). Further, the three-dimensional printing stage 120 will continue to move up a short distance to repeat the above-described curing operation.
然而,在此階段中,由於三維列印物件20的此層(也就是圖1中所標示為20的此層)與光固化樹脂槽110的內底面112之間會有黏著力,三維列印物件20的此層較難輕易地直接透過上移三維列印載台120的方式來使三維列印物件20的此層脫離於光固化樹脂槽110的內底面112。若強行上移三維列印載台120,可能會使得已經固化的三維列印物件20的此層的局部破裂,而造成列印失敗。However, at this stage, since there is adhesion between this layer of the three-dimensionally printed article 20 (that is, the layer designated as 20 in FIG. 1) and the inner bottom surface 112 of the photocurable resin tank 110, three-dimensional printing is performed. This layer of the article 20 is difficult to easily disengage the layer of the three-dimensional printing article 20 from the inner bottom surface 112 of the photo-curable resin tank 110 by directly moving up the three-dimensional printing stage 120. If the three-dimensional printing stage 120 is forcibly moved up, it may cause partial cracking of this layer of the solidified three-dimensional printing object 20, resulting in printing failure.
為了避免上述的問題,在本實施例中,三維列印載台120在最下方的表面層122為壓電層124,藉由以壓電材料製作會與三維列印物件20接觸的表面層122,當位在三維列印載台120與光固化樹脂槽110的內底面112之間的光固化樹脂10固化為一三維列印物件20之後,三維列印載台120可以透過對壓電層124通電的方式來造成此壓電層124的體積收縮,三維列印物件20隨之上移,液態的光固化樹脂10便能夠進入固態的三維列印物件20與光固化樹脂槽110的內底面112之間的空間,而使三維列印物件20能夠較容易地分離於光固化樹脂槽110的內底面112。In order to avoid the above problem, in the present embodiment, the bottom surface layer 122 of the three-dimensional printing stage 120 is a piezoelectric layer 124, and the surface layer 122 which is in contact with the three-dimensional printing object 20 is made of a piezoelectric material. After the photocurable resin 10 between the three-dimensional printing stage 120 and the inner bottom surface 112 of the photocurable resin tank 110 is solidified into a three-dimensional printing object 20, the three-dimensional printing stage 120 can be transmitted through the piezoelectric layer 124. The mode of energization causes the volume of the piezoelectric layer 124 to shrink, and the three-dimensional printed object 20 moves up, and the liquid photocurable resin 10 can enter the solid three-dimensional printed object 20 and the inner bottom surface 112 of the photocurable resin tank 110. The space between the three-dimensional printed matter 20 can be easily separated from the inner bottom surface 112 of the photo-curable resin tank 110.
在本實施例中,壓電層124的材料包括壓電單晶體、壓電多晶體或是壓電聚合物。更詳細地說,壓電單晶體包括石英壓電晶體、鐵電型壓電晶體鈮酸鋰或鈮酸鉭,壓電多晶體包括鋯鈦酸鉛,壓電聚合物包括聚偏二氟乙烯、聚氟乙烯或聚氯乙烯。當然,壓電層124的材料種類、壓電單晶體、壓電多晶體與壓電聚合物的材料並不以上述為限制。In this embodiment, the material of the piezoelectric layer 124 includes a piezoelectric single crystal, a piezoelectric polycrystal, or a piezoelectric polymer. In more detail, the piezoelectric single crystal includes a quartz piezoelectric crystal, a ferroelectric piezoelectric crystal lithium niobate or tantalum ruthenate, the piezoelectric polycrystal includes lead zirconate titanate, and the piezoelectric polymer includes polyvinylidene fluoride and poly Vinyl fluoride or polyvinyl chloride. Of course, the material type of the piezoelectric layer 124, the piezoelectric single crystal, the piezoelectric polycrystal, and the material of the piezoelectric polymer are not limited to the above.
值得一提的是,在其他實施例中,壓電層124也可以不位在表面層122上,而是位在三維列印載台120的內部,只要壓電層124被通電時能收縮而使得三維列印載台120在整體上有收縮的效果即可。It should be noted that in other embodiments, the piezoelectric layer 124 may not be located on the surface layer 122, but may be located inside the three-dimensional printing stage 120, as long as the piezoelectric layer 124 is shrunk when energized. The three-dimensional printing stage 120 has an effect of shrinking as a whole.
下面再繼續介紹其他實施例,需說明的是,相同或是相似的元件以相同或相似的符號表示,不再多加贅述。Other embodiments are described below, and the same or similar elements are denoted by the same or similar symbols and will not be described again.
圖2是依照本新型創作的另一實施例的一種三維列印裝置的示意圖。請參閱圖2,本實施例的三維列印裝置100a與圖1的三維列印裝置100的主要差異在於,在圖1中,三維列印載台120的整個表面層122為壓電層124。在本實施例中,三維列印載台120a的表面層122a包括一中央區126與環繞中央區126的一周圍區128,且壓電層124位於周圍區128。2 is a schematic diagram of a three-dimensional printing apparatus in accordance with another embodiment of the present invention. Referring to FIG. 2, the main difference between the three-dimensional printing apparatus 100a of the present embodiment and the three-dimensional printing apparatus 100 of FIG. 1 is that, in FIG. 1, the entire surface layer 122 of the three-dimensional printing stage 120 is the piezoelectric layer 124. In the present embodiment, the surface layer 122a of the three-dimensional printing stage 120a includes a central region 126 and a surrounding region 128 surrounding the central region 126, and the piezoelectric layer 124 is located in the peripheral region 128.
在本實施例中,由於三維列印載台120a的壓電層124位在表面層122a的周圍區128,當壓電層124被通電時,三維列印載台120a在表面層122a的周圍區128的體積收縮,而類似於周圍翹起的狀態,三維列印物件20在連接於周圍區128的部位(也就是三維列印物件20的四周)也會隨壓電層124略微上移,液態的光固化樹脂10便能夠進入三維列印物件20與光固化樹脂槽110的內底面112之間的周圍區域,此時,若使三維列印載台120a略微上移,液態的光固化樹脂10會逐漸滲入至三維列印物件20與光固化樹脂槽110的內底面112之間的中央區域,而使得三維列印物件20能夠容易與光固化樹脂槽110的內底面112分離。In the present embodiment, since the piezoelectric layer 124 of the three-dimensional printing stage 120a is located in the peripheral area 128 of the surface layer 122a, when the piezoelectric layer 124 is energized, the three-dimensional printing stage 120a is in the peripheral area of the surface layer 122a. The volume of 128 is contracted, and similar to the state of the surrounding lift, the portion of the three-dimensional printed object 20 that is attached to the peripheral region 128 (i.e., the periphery of the three-dimensional printed object 20) also moves up slightly with the piezoelectric layer 124, and the liquid The photocurable resin 10 can enter the surrounding area between the three-dimensional printing article 20 and the inner bottom surface 112 of the photocurable resin tank 110. At this time, if the three-dimensional printing stage 120a is slightly moved upward, the liquid photocurable resin 10 is liquid. The central region between the three-dimensional printed matter 20 and the inner bottom surface 112 of the photo-curable resin tank 110 is gradually infiltrated, so that the three-dimensional printed matter member 20 can be easily separated from the inner bottom surface 112 of the photo-curable resin tank 110.
在本實施例中,三維列印載台120a的表面層122a的中央區126的材質可以是金屬,例如是不銹鋼或是鋁,但中央區126的材質並不以此為限制,中央區126的材質也可以是高分子或是陶瓷材質。此外,相較於圖1中,三維列印載台120的整個表面層122為壓電層124,本實施例的壓電層124僅位在表面層122a的周圍區128可具有較低的成本。In this embodiment, the material of the central region 126 of the surface layer 122a of the three-dimensional printing stage 120a may be metal, such as stainless steel or aluminum, but the material of the central region 126 is not limited thereto, and the central region 126 is The material can also be polymer or ceramic. In addition, compared to FIG. 1, the entire surface layer 122 of the three-dimensional printing stage 120 is the piezoelectric layer 124, and the piezoelectric layer 124 of the present embodiment can have a lower cost only in the peripheral area 128 of the surface layer 122a. .
綜上所述,本新型創作的三維列印裝置的三維列印載台包括一壓電層,當位在三維列印載台與光固化樹脂槽的內底面之間的光固化樹脂固化為一三維列印物件之後,壓電層適於被通入電壓而收縮,以使固化於三維列印載台上的三維列印物件與內底面分離。壓電層可以位在與三維列印物件接觸的整個表面層,壓電層在被通電時,三維列印載台的整個表面層的體積收縮,三維列印物件隨之上移。或者,壓電層也可以位在與三維列印物件接觸的表面層的周圍區,壓電層在被通電時,三維列印載台的周圍區的體積收縮,而使周圍區翹起,三維列印物件在外圍的部位隨之上移,液態的光固化樹脂進入三維列印物件與光固化樹脂槽的內底面,而使得三維列印物件能夠容易與光固化樹脂槽的內底面分離。In summary, the three-dimensional printing stage of the three-dimensional printing device of the present invention comprises a piezoelectric layer, and the photocurable resin between the three-dimensional printing stage and the inner bottom surface of the photocurable resin tank is cured into one. After three-dimensionally printing the article, the piezoelectric layer is adapted to be shrunk by a voltage application to separate the three-dimensional printed article solidified on the three-dimensional printing stage from the inner bottom surface. The piezoelectric layer can be positioned over the entire surface layer in contact with the three-dimensional printed object. When the piezoelectric layer is energized, the volume of the entire surface layer of the three-dimensional printing stage shrinks, and the three-dimensional printed object moves up. Alternatively, the piezoelectric layer may also be located in a peripheral region of the surface layer in contact with the three-dimensional printed object. When the piezoelectric layer is energized, the volume of the surrounding area of the three-dimensional printing stage is contracted, and the surrounding area is lifted, three-dimensional. The printed article is then moved up at the peripheral portion, and the liquid photocurable resin enters the inner bottom surface of the three-dimensional printed object and the photo-curable resin groove, so that the three-dimensional printed article can be easily separated from the inner bottom surface of the photo-curable resin groove.
雖然本新型創作已以實施例揭露如上,然其並非用以限定本新型創作,任何所屬技術領域中具有通常知識者,在不脫離本新型創作的精神和範圍內,當可作些許的更動與潤飾,故本新型創作的保護範圍當視後附的申請專利範圍所界定者為準。Although the present invention has been disclosed in the above embodiments, it is not intended to limit the novel creation, and any person skilled in the art can make some changes without departing from the spirit and scope of the novel creation. Retouching, the scope of protection of this new creation is subject to the definition of the scope of the patent application attached.
10‧‧‧光固化樹脂
20‧‧‧三維列印物件
100、100a‧‧‧三維列印裝置
110‧‧‧光固化樹脂槽
112‧‧‧內底面
120、120a‧‧‧三維列印載台
122、122a‧‧‧表面層
124‧‧‧壓電層
126‧‧‧中央區
128‧‧‧周圍區10‧‧‧Photocuring resin
20‧‧‧3D printed objects
100, 100a‧‧‧3D printing device
110‧‧‧Light curing resin tank
112‧‧‧ inside bottom
120, 120a‧‧‧3D printing stage
122, 122a‧‧‧ surface layer
124‧‧‧Piezoelectric layer
126‧‧‧Central District
128‧‧‧ surrounding area
圖1是依照本新型創作的一實施例的一種三維列印裝置的示意圖。 圖2是依照本新型創作的另一實施例的一種三維列印裝置的示意圖。1 is a schematic diagram of a three-dimensional printing apparatus in accordance with an embodiment of the present invention. 2 is a schematic diagram of a three-dimensional printing apparatus in accordance with another embodiment of the present invention.
10‧‧‧光固化樹脂 10‧‧‧Photocuring resin
20‧‧‧三維列印物件 20‧‧‧3D printed objects
100‧‧‧三維列印裝置 100‧‧‧3D printing device
110‧‧‧光固化樹脂槽 110‧‧‧Light curing resin tank
112‧‧‧內底面 112‧‧‧ inside bottom
120‧‧‧三維列印載台 120‧‧‧Three-dimensional printing stage
122‧‧‧表面層 122‧‧‧ surface layer
124‧‧‧壓電層 124‧‧‧Piezoelectric layer
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