TWI707738B - Lifting device - Google Patents
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- TWI707738B TWI707738B TW108145904A TW108145904A TWI707738B TW I707738 B TWI707738 B TW I707738B TW 108145904 A TW108145904 A TW 108145904A TW 108145904 A TW108145904 A TW 108145904A TW I707738 B TWI707738 B TW I707738B
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Abstract
本發明係提供一種升降裝置，係包括：一交換槽，係為一箱體，該交換槽內部中心設有一可升降之加工平台，該交換槽底板係具有一貫穿開孔；一電動缸，係設置於該交換槽下方，並穿透該貫穿開孔而與該加工平台相結合，且該電動缸與該加工平台間係具有一固定銷，該電動缸係用於升降該加工平台；一氣密罩，係設置於該交換槽下方、包覆該電動缸，並與該電動缸同軸心；以及至少二升降動力源，係設置於該交換槽下方，用於升降該交換槽。 The present invention provides a lifting device, which includes: an exchange slot, which is a box body, the center of the exchange slot is provided with a lifting processing platform, the exchange slot bottom plate has a through hole; an electric cylinder, It is arranged under the exchange groove and penetrates the through opening to be combined with the processing platform, and there is a fixed pin between the electric cylinder and the processing platform, and the electric cylinder is used to lift the processing platform; an airtight The cover is arranged under the exchange groove, covers the electric cylinder, and is coaxial with the electric cylinder; and at least two lifting power sources are arranged under the exchange groove for raising and lowering the exchange groove.
Description
本發明係與積層製造系統技術有關，特別係指一種具有電動升降與氣密功能的升降裝置。 The present invention is related to the technology of the layered manufacturing system, and particularly refers to a lifting device with electric lifting and air-tight functions.
積層製造技術日漸成熟，應用領域逐漸擴展，工件尺寸需求愈來愈大，設備為因應需求逐漸大型化，以滿足生產大尺寸工件目標，但在大型化設備卻也衍生出不同的議題，例如：大型化設備每次的使用成本必定比小型設備高出許多，因此如何提升生產效率是一重要課題。提升生產效率意指讓設備在生產程序中的各步驟都儘量達到最適合設計，例如：大型設備的加工平台除粉及整備的困難度大增，如果仍維持既有的小型設備架構(於單一腔體內完成除粉及整備的作業)，將無法達成大型設備需求。 With the increasing maturity of multilayer manufacturing technology and the gradual expansion of application fields, the demand for workpiece size is getting larger and larger. The equipment is gradually enlarged in response to the demand to meet the goal of producing large-size workpieces. However, large-scale equipment has also derived different issues, such as: The cost per use of large-scale equipment must be much higher than that of small equipment, so how to improve production efficiency is an important issue. Improving production efficiency means that every step of the equipment in the production process is as best as possible to achieve the most suitable design. For example, the processing platform of large equipment is more difficult to remove and prepare. If the existing small equipment structure (in a single The powder removal and preparation operations in the cavity) will not be able to meet the requirements of large-scale equipment.
然而，為達成各作業從整體腔體分割成不同腔體前，先要將加工平台進行模組化，才便於達成加工平台交換的作業。且大型積層製造設備交換槽及加工平台尺寸大，升降裝置需細部設計更能達成設備要求之精準度、氣密度與使用便利性，才能完成加工平台交換及移動之設備功能需求。 However, in order to achieve the task of dividing the entire cavity into different cavities, the processing platform must be modularized to facilitate the exchange of processing platforms. In addition, the exchange slot and processing platform of large-scale multi-layer manufacturing equipment are large in size. The lifting device needs to be designed in detail to achieve the required accuracy, air density and ease of use of the equipment in order to complete the equipment function requirements for processing platform exchange and movement.
為解決先前技術之缺點，本發明係提供一種升降裝置，本發明係具有兩類動力源分別進行加工平台與交換槽之升降，並具有模組化之設計以快速進行加工平台與工件之抽換。 In order to solve the shortcomings of the prior art, the present invention provides a lifting device. The present invention has two types of power sources for lifting and lowering the processing platform and the exchange tank respectively, and has a modular design to quickly replace the processing platform and the workpiece. .
本發明係為一種升降裝置，係包括：一交換槽，係為一箱體，該交換槽內部中心設有一可升降之加工平台，該交換槽底板係具有一貫穿開孔；一電動缸，係設置於該交換槽下方，並穿透該貫穿開孔而與該加工平台相結合，且該電動缸與該加工平台間係具有一固定銷，該電動缸係用於升降該加工平台；一氣密罩，係設置於該交換槽下方、包覆該電動缸，並與該電動缸同軸心；以及至少二升降動力源，係設置於該交換槽下方，用於升降該交換槽。 The present invention is an elevating device, which includes: an exchange slot, which is a box body, the center of the exchange slot is provided with a lifting processing platform, the exchange slot bottom plate has a through hole; an electric cylinder, It is arranged under the exchange groove and penetrates the through opening to be combined with the processing platform, and there is a fixed pin between the electric cylinder and the processing platform, and the electric cylinder is used to lift the processing platform; an airtight The cover is arranged under the exchange groove, covers the electric cylinder, and is coaxial with the electric cylinder; and at least two lifting power sources are arranged under the exchange groove for raising and lowering the exchange groove.
本發明之一實施例中，其中更包括：一加熱模組，該加熱模組係設置於該加工平台之夾層內，該加熱模組之電線係設置於該氣密罩之一側外表面。 In an embodiment of the present invention, it further includes: a heating module, the heating module is arranged in the interlayer of the processing platform, and the electric wires of the heating module are arranged on the outer surface of one side of the airtight cover.
本發明之一實施例中，該氣密罩之外表面係設有一以上電氣連結元件，用於連結該加熱模組。一旦氣密罩與加工平台連結或與交換槽連結時，即完成加熱模組的電氣連結。 In an embodiment of the present invention, the outer surface of the airtight cover is provided with more than one electrical connection element for connecting the heating module. Once the airtight cover is connected to the processing platform or to the exchange tank, the electrical connection of the heating module is completed.
本發明之一實施例中，該氣密罩與該交換槽及該電動缸相連處分別設有氣密封條。 In an embodiment of the present invention, air sealing strips are respectively provided at the connection between the airtight cover, the exchange tank and the electric cylinder.
本發明之一實施例中，該電動缸的升降精準度係符合μm等級。 In an embodiment of the present invention, the lifting accuracy of the electric cylinder meets the μm level.
以上之概述與接下來的詳細說明及附圖，皆是為了能進一步說明本發明達到預定目的所採取的方式、手段及功效。而有關本發明的其他目的及優點，將在後續的說明及圖示中加以闡述。 The above summary and the following detailed description and drawings are all for further illustrating the methods, means and effects of the present invention to achieve the intended purpose. Other objectives and advantages of the present invention will be described in the following description and drawings.
10‧‧‧加工腔體 10‧‧‧Machining cavity
11‧‧‧交換槽 11‧‧‧Exchange Slot
111‧‧‧加工平台 111‧‧‧Processing platform
12‧‧‧電動缸 12‧‧‧Electric cylinder
121‧‧‧固定銷 121‧‧‧Fixed pin
13‧‧‧氣密罩 13‧‧‧Airtight cover
131‧‧‧氣密封條 131‧‧‧Air seal
14‧‧‧升降動力源 14‧‧‧Lifting power source
15‧‧‧加熱模組 15‧‧‧Heating Module
21‧‧‧交換槽 21‧‧‧Exchange Slot
22‧‧‧升降動力源 22‧‧‧Lifting power source
23‧‧‧電動缸 23‧‧‧Electric cylinder
圖1係為本發明之升降裝置第一實施例結構圖。 Figure 1 is a structural diagram of the first embodiment of the lifting device of the present invention.
圖2係為本發明之升降槽與升降動力源實施例示意圖。 Figure 2 is a schematic diagram of an embodiment of the lifting trough and lifting power source of the present invention.
以下係藉由特定的具體實例說明本發明之實施方式，熟悉此技藝之人士可由本說明書所揭示之內容輕易地瞭解本發明之其他優點與功效。 The following is a specific example to illustrate the implementation of the present invention. Those familiar with the art can easily understand the other advantages and effects of the present invention from the content disclosed in this specification.
粉床式積層製造設備原理為：在加工平台平舖上粉末，雷射依圖檔燒結粉末後，加工平台下降後再次舖粉燒結，一再反覆執行後所需工件即可完成。然加工平台在下降時精度與腔體內氣密的維持都關乎於製程穩定性。加工平台升降精度對工件之層厚產生影響，在工件層厚極為要求的狀況下，加工平台的升降精度誤差範圍應在μm等級，因此本發明之升降裝置採用精度較高的電動缸，以精準控制工件的層厚。 The principle of the powder bed type multilayer manufacturing equipment is: spread the powder on the processing platform, after the laser sinters the powder according to the drawing, the processing platform is lowered and then spread and sinter again, and the required workpiece can be completed after repeated execution. However, the accuracy of the processing platform and the maintenance of air tightness in the cavity are related to the stability of the process. The lifting accuracy of the processing platform has an impact on the layer thickness of the workpiece. Under the condition that the layer thickness of the workpiece is extremely demanding, the error range of the lifting accuracy of the processing platform should be in the μm level. Therefore, the lifting device of the present invention uses a high-precision electric cylinder to achieve precision Control the layer thickness of the workpiece.
圖1係為本發明之升降裝置第一實施例結構圖，該實施例係包括：一交換槽11，係為一箱體，該交換槽11內部中心設有一可升降之加工平台111，該交換槽頂部具有開口以
容許該加工平台111上升通過而到達上方一加工腔體10內，該交換槽11底板係具有一貫穿開孔；一電動缸12，係設置於該交換槽11下方，並穿透該貫穿開孔而與該加工平台111相結合，且該電動缸12與該加工平台111間係具有一固定銷121，藉由該固定銷121可使該加工平台111與該電動缸12分離或結合，該電動缸12係用於升降該加工平台111；一氣密罩13，係設置於該交換槽11下方、包覆該電動缸12，並與該電動缸12同軸心，該氣密罩13與該交換槽11及該電動缸12相連處分別設有氣密封條131；至少二升降動力源14，係設置於該交換槽11下方，用於升降該交換槽11。
Figure 1 is a structural diagram of the first embodiment of the lifting device of the present invention. This embodiment includes: an
在交換槽升降的過程需考慮升降荷重、升降精準度、氣密程度與模組化設計，因此本發明將升降功能以二種元件達成-電動缸及升降動力源，電動缸主要功能為升降加工平台，承載加工平台、工件與未燒結之粉末重量，且為完成工件層厚的控制，電動缸的升降精準度需特別符合μm等級；為加強電動缸與加工平台的連結，待電動缸升至適當位置時，本發明設計一固定銷與加工平台進行連結以確保二元件完整結合，電動缸與固定銷的位置與型式參考圖1。本發明另設計升降動力源負責交換槽的升降，即負責交換槽荷重。圖2係為本發明之升降槽與升降動力源實施例示意圖，該升降動力源22係用於升降該交換槽21、使其與加工腔體(圖未示)結合，接著升降槽下方設置之電動缸23舉升升降槽中央之加工平台(圖未
示)直至到達加工腔體內之加工位置，以執行積層製造之粉末燒結程序，燒結程序完畢後則循相反順序將加工平台與交換槽跟加工腔體分離。
The lifting process of the exchange tank needs to consider the lifting load, lifting accuracy, air tightness and modular design. Therefore, the present invention achieves the lifting function with two components-electric cylinder and lifting power source. The main function of the electric cylinder is lifting processing. The platform bears the weight of the processing platform, the workpiece and the unsintered powder, and in order to complete the control of the thickness of the workpiece, the lifting accuracy of the electric cylinder must meet the μm level; in order to strengthen the connection between the electric cylinder and the processing platform, wait until the electric cylinder is raised to When in proper position, the present invention designs a fixed pin to be connected with the processing platform to ensure the complete combination of the two components. Refer to FIG. 1 for the position and type of the electric cylinder and the fixed pin. The invention also designs the lifting power source to be responsible for the lifting of the exchange tank, that is, the load of the exchange tank. Figure 2 is a schematic diagram of an embodiment of the lifting trough and the lifting power source of the present invention. The
本發明之一實施例中，當交換槽進行更換與移動之後進行加工時，加工腔體內能需保持固定氣密程度以維持製造品質，因此在平台升降時需考慮氣密設計，本發明在電動缸周圍同軸設計一氣密罩，該氣密罩與該交換槽及該電動缸相連處分別設有氣密封條，當電動缸與交換槽上升至適切位置後，氣密罩隨之上升與加工平台結合，以達成加工腔體氣密之需求。 In one embodiment of the present invention, when the exchange tank is replaced and moved and then processed, the processing cavity needs to maintain a fixed degree of airtightness to maintain manufacturing quality. Therefore, the airtight design needs to be considered when the platform is raised and lowered. An airtight cover is coaxially designed around the cylinder. The airtight cover is connected with the exchange tank and the electric cylinder respectively. When the electric cylinder and the exchange tank rise to the appropriate position, the airtight cover rises and the processing platform Combined to meet the airtight requirements of the processing cavity.
本發明之一實施例中，該加熱模組係設置於該加工平台內部之一夾層內，該加熱模組之電線線路係設置於該氣密罩之一側外表面，氣密罩外側周圍可進一步裝設加熱模組所需之電氣連結元件。 In an embodiment of the present invention, the heating module is arranged in an interlayer inside the processing platform, and the electric wires of the heating module are arranged on the outer surface of one side of the airtight cover. Further install the electrical connection components required by the heating module.
綜上所述，本發明係提供一種升降裝置，本發明係具有兩類動力源分別進行加工平台與交換槽之升降，並具有模組化之設計以快速進行加工平台與工件之抽換。本發明之升降裝置以二種動力源進行升降，可提高設備精準度與提升系統可靠度。本發明之升降裝置設計氣密罩有助維持加工腔體氣密的維持，有助於設備製造的穩定性。本發明在氣密罩周圍設計加熱模組電氣連結元件，有助於加工平台模組化後的電氣連結便利性。 In summary, the present invention provides a lifting device. The present invention has two types of power sources for lifting and lowering the processing platform and the exchange tank respectively, and has a modular design to quickly replace the processing platform and the workpiece. The lifting device of the present invention uses two power sources for lifting, which can improve the accuracy of the equipment and the reliability of the lifting system. The design of the airtight cover of the lifting device of the present invention helps maintain the airtightness of the processing cavity, and contributes to the stability of equipment manufacturing. The invention designs electrical connection elements of the heating module around the airtight cover, which is helpful for the convenience of electrical connection after the modularization of the processing platform.
上述之實施例僅為例示性說明本發明之特點及其功效，而非用於限制本發明之實質技術內容的範圍。任何熟習此技藝之人士均可在不違背本發明之精神及範疇下，對上述實施例進行修飾與變化。因此，本發明之權利保護範圍，應如後述之申請專利範圍所列。 The above-mentioned embodiments are only illustrative of the features and effects of the present invention, and are not used to limit the scope of the essential technical content of the present invention. Anyone familiar with this technique can modify and change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be as listed in the scope of patent application described later.
10‧‧‧加工腔體 10‧‧‧Machining cavity
11‧‧‧交換槽 11‧‧‧Exchange Slot
111‧‧‧加工平台 111‧‧‧Processing platform
12‧‧‧電動缸 12‧‧‧Electric cylinder
121‧‧‧固定銷 121‧‧‧Fixed pin
13‧‧‧氣密罩 13‧‧‧Airtight cover
131‧‧‧氣密封條 131‧‧‧Air seal
14‧‧‧升降動力源 14‧‧‧Lifting power source
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| TW201716215A (en) * | 2015-11-13 | 2017-05-16 | 財團法人金屬工業研究發展中心 | Additive manufacturing method |
| CN208216026U (en) * | 2018-05-09 | 2018-12-11 | 苏州倍丰激光科技有限公司 | Increasing material manufacturing construction platform |
| TW201922460A (en) * | 2017-11-16 | 2019-06-16 | 財團法人金屬工業研究發展中心 | Powder bed device of additive manufacturing and additive manufacturing apparatus |
| CN209096029U (en) * | 2018-09-29 | 2019-07-12 | 广州形优科技有限公司 | Increasing material manufacturing equipment and its system |
| TW201929979A (en) * | 2017-12-28 | 2019-08-01 | 日商尼康股份有限公司 | Additive manufacturing system with rotary powder bed |
| TW201940309A (en) * | 2018-02-07 | 2019-10-16 | 美商戴思科塔金屬公司 | Systems, devices, and methods for additive manufacturing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TW201716215A (en) * | 2015-11-13 | 2017-05-16 | 財團法人金屬工業研究發展中心 | Additive manufacturing method |
| TW201922460A (en) * | 2017-11-16 | 2019-06-16 | 財團法人金屬工業研究發展中心 | Powder bed device of additive manufacturing and additive manufacturing apparatus |
| TW201929979A (en) * | 2017-12-28 | 2019-08-01 | 日商尼康股份有限公司 | Additive manufacturing system with rotary powder bed |
| TW201940309A (en) * | 2018-02-07 | 2019-10-16 | 美商戴思科塔金屬公司 | Systems, devices, and methods for additive manufacturing |
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| CN209096029U (en) * | 2018-09-29 | 2019-07-12 | 广州形优科技有限公司 | Increasing material manufacturing equipment and its system |
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