WO2018090188A1 - 自动回收粉料的铺粉机 - Google Patents

自动回收粉料的铺粉机 Download PDF

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Publication number
WO2018090188A1
WO2018090188A1 PCT/CN2016/105917 CN2016105917W WO2018090188A1 WO 2018090188 A1 WO2018090188 A1 WO 2018090188A1 CN 2016105917 W CN2016105917 W CN 2016105917W WO 2018090188 A1 WO2018090188 A1 WO 2018090188A1
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WIPO (PCT)
Prior art keywords
powder
disposed
platform
working
recovery
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PCT/CN2016/105917
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English (en)
French (fr)
Inventor
高怀恩
陈馨宝
严瑞雄
Original Assignee
东台精机股份有限公司
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Application filed by 东台精机股份有限公司 filed Critical 东台精机股份有限公司
Priority to PCT/CN2016/105917 priority Critical patent/WO2018090188A1/zh
Priority to US16/347,041 priority patent/US10688723B2/en
Priority to EP16921805.4A priority patent/EP3542993B1/en
Priority to JP2019504973A priority patent/JP6745016B2/ja
Publication of WO2018090188A1 publication Critical patent/WO2018090188A1/zh

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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
    • B29C64/30—Auxiliary operations or equipment
    • B29C64/357—Recycling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/70—Recycling
    • B22F10/73—Recycling of powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/22—Driving means
    • B22F12/222—Driving means for motion along a direction orthogonal to the plane of a layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/60—Planarisation devices; Compression devices
    • B22F12/67—Blades
    • 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
    • B29C64/141—Processes of additive manufacturing using only solid materials
    • B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
    • 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
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/227—Driving means
    • B29C64/232—Driving means for motion along the axis orthogonal to the plane of a layer
    • 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
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/227—Driving means
    • B29C64/236—Driving means for motion in a direction within the plane of a layer
    • 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
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/264—Arrangements for irradiation
    • B29C64/268—Arrangements for irradiation using laser beams; using electron beams [EB]
    • 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
    • B29C64/30—Auxiliary operations or equipment
    • B29C64/307—Handling of material to be used in additive manufacturing
    • B29C64/321—Feeding
    • B29C64/329—Feeding using hoppers
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/02—Moulding by agglomerating
    • B29C67/04—Sintering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
    • B33Y40/20—Post-treatment, e.g. curing, coating or polishing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/22—Driving means
    • B22F12/224—Driving means for motion along a direction within the plane of a layer
    • 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
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/205—Means for applying layers
    • B29C64/214—Doctor blades
    • 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
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/25—Housings, e.g. machine housings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Definitions

  • This invention relates to a powder recovery apparatus, and more particularly to an automatic powder recycling machine for 3D (three-dimensional) printing.
  • 3D rapid prototyping also known as 3D printing
  • 3D printing mainly includes Selective Laser Sintering (SLS), Selective Laser Melting (SLM), Direct Metal Laser Sintering (DMLS), and Electron Beam Melting , EBM) and other technologies.
  • SLS uses low-power laser to sinter low-melting polymer powder
  • SLM uses high-energy beam laser to directly melt metal powder
  • DMLS uses laser to sinter binary metal
  • EBM uses electron beam to melt metal powder.
  • the existing powder spreading device generally adopts manual powder replacement, that is, the powder remaining after the completion of the dusting operation must be manually cleaned and recycled on the paving platform, and the whole process is time consuming and laborious. It is easy to affect the processing efficiency of the product.
  • the main object of the present invention is to provide a dusting machine for automatically recovering powder, which utilizes the design of the recovery tank and the moving unit so that the remaining powder can be automatically recovered.
  • the present invention provides a dusting machine for automatically recycling powder for spreading a powder and recovering the powder in a 3D printer station, the automatic recycling powder spreading machine comprising a powder laying unit, a powder collecting unit and a moving unit; the powder spreading unit has a platform, a mover and a duster, the mover is disposed on the platform, and the duster is combined on the mover to perform the spraying of the powder on the platform, wherein
  • the platform has a working hole and at least one recovery hole for providing a laser emitter for laser processing a shaped object, the recovery hole for recovering the powder; and the powder collecting unit setting Under the platform, and having a body, a working tank and at least one recovery tank, the working tank is disposed on the seat body and corresponds to the working hole for accommodating the formed object.
  • the recovery tank is disposed on the seat body and corresponds to the recovery hole;
  • the mobile unit has a base and a lifting mechanism, and the lifting mechanism is disposed on the base for driving the base body to move vertically
  • the powder spreader has a powder trough for accommodating the powder, and a flexible scraper member disposed on the powder Under the trough, for reciprocating movement between the working hole and the recovery hole to lay the powder on the shaped object and recover the powder.
  • the platform has a working convex ring and a recovery convex ring, and the working convex ring is formed under the working hole and is engaged with the working groove.
  • a recovery collar is formed below the recovery hole and is configured to engage with the recovery tank.
  • the base body has a fixing base and at least one base, the working slot is movably disposed in the fixing base, and the base is disposed outside the fixing base. And the recovery tank is disposed on the base.
  • the lifting mechanism has a lifting rod, a spring and a spring seat, the lifting rod extends through the base, the spring is disposed on the base, and the spring seat is disposed Between the spring and the seat body, and for engaging the lifting rod.
  • the powder collecting unit further has a bottom plate, the formed object is formed on the bottom plate, and the bottom plate is pushed by the lifting rod to work in the working hole and The slot moves.
  • the powder collecting unit further has a stopping portion disposed at a bottom of the working groove for blocking the bottom plate.
  • the mobile unit further has a slide mechanism disposed on the base for driving the powder collection unit to move horizontally.
  • the slide mechanism has a slide rail, and a seat body of the powder collecting unit is combined on the slide rail and in a working position near the platform of the powder spreading unit And moving between a refueling position of the platform remote from the paving unit.
  • the powder spreading unit further has a cover body and a processing hole, the cover body is disposed on the platform, and the processing hole is formed on the cover body and located at the Below the laser transmitter.
  • the automatic powder recycling machine of the present invention utilizes the design of the recovery tank such that the remaining powder after the completion of the layer-by-layer spreading operation can pass the flexible blade member to the platform.
  • the powder is scraped to the recovery hole and collected, and the recovery tank is replaced by the lifting mechanism and the slide mechanism of the moving unit to achieve the purpose of automatically recovering the powder.
  • Figure 1 is a perspective view of a preferred embodiment of a duster for automatically recovering powder in accordance with the present invention.
  • Figure 2 is a side elevational view of a preferred embodiment of a duster for automatically recovering powder in accordance with the present invention.
  • 3 to 6 are cross-sectional views showing a preferred embodiment of a duster for automatically recovering powder according to the present invention during operation.
  • a material spreading machine 100 comprises a powder spreading unit 2, a powder collecting unit 3 and a moving unit 4. The detailed structure, assembly relationship and operation principle of each component will be described in detail below.
  • the powder spreading unit 2 has a platform 21, a mover 22, a duster 23, a cover 24 and a processing hole 25; the platform 21 has a working hole 211.
  • the mover 22 is disposed on the platform 21 for driving the duster 23 to move; and the duster 23 is combined on the mover 22 for performing the
  • the powder spreader 23 has a powder tank 231 and a flexible blade member 232 for accommodating the powder.
  • the flexible blade member 232 is disposed at The powder tank 231 is configured to reciprocate between the working hole 211 and the recovery hole 212 to spread the powder and collect the powder.
  • the cover body 24 is disposed on the platform 21, and the machining hole 25 is formed on the cover body 24 and below the laser emitter 101.
  • the powder collecting unit 3 is disposed below the platform 21, and as shown in FIG. 3, the powder collecting unit 3 has a body 31, a working slot 32, and two a recovery tank 33, a bottom plate 34 and a stopping portion 35;
  • the base body 31 has a fixing base 311 and two bases 312, wherein the base 312 is disposed outside the fixing base 311;
  • the working slot 32 Corresponding to the working hole 211 and movably disposed in the fixing seat 311 of the seat body 31, the working groove 32 is used for accommodating the shaped object 102 and the working convex ring 213 is used for The working tank is engaged;
  • the recovery tank 33 is disposed on the base 312 of the seat body 31, and corresponds to the two recyclings respectively a hole 212, and the recovery collar 214 is respectively engaged with the two recovery grooves 33;
  • the formed object 102 is formed on the bottom plate 34 through layer-by-layer powdering and laser light;
  • a portion 35 is provided at the bottom of the working groove 32 for blocking the bottom plate 34.
  • the mobile unit 4 has a base 41, a lifting mechanism 42 and a slide mechanism 43.
  • the lifting mechanism 42 is disposed on the base 41 for driving the base.
  • the vertical movement moves 31 to combine or separate the working groove 32 and the receiving groove 33 of the powder collecting unit 3 with the platform 21 of the powder spreading unit 2, wherein the lifting mechanism 42 has a lifting rod 421 and a spring 422.
  • a spring seat 423 the lifting rod 421 extends through the base 41, the spring 422 is disposed on the base 41, and the spring seat 423 is disposed between the spring 422 and the seat body 31.
  • the sliding table mechanism 43 is disposed on the base 34 for driving the powder collecting unit 3 to move horizontally, wherein the sliding table mechanism 43 has a sliding rail 431, and the seat body 31 of the powder collecting unit 3 is combined in the On the slide rail 431, and in a working position near the platform 21 of the powder spreading unit 2 and away from the powder spreading unit 2 Movable between a position of the platform 21 of the refueling.
  • the seat body 31 of the powder collecting unit 3 is moved from the refueling position of FIG. 2 to the spreading unit.
  • the platform 21 of 2 is moved to the working position, so that the seat body 31 is located on the base 41; at this time, as shown in FIG. 3, the lifting rod 421 of the lifting mechanism 42 is pushed upward to make the seat
  • the body 31 moves upward while the elastic restoring force of the spring 422 pushes against the spring seat 423 to lift the fixing seat upward; then the working groove 32 and the recovery groove 33 are pushed up to be respectively engaged with The working convex ring 213 and the recovery convex ring 214; at this time, as shown in FIG.
  • the lifting rod 421 continues to rise, and pushes the bottom plate 34 upward in the working groove 32.
  • the bottom plate 34 moves through the working groove 32 to move toward the platform 21, and as shown in FIG. 6, the bottom plate 34 stays in the working hole 211, so that The bottom plate 34 is flush with the platform 21,
  • a layer-by-layer layering and laser operation is started to form the formed article 102; and the layer-by-layer layering operation is ended, and the powder on the platform 21 is scraped by the flexible blade member 232 to the
  • the recovery hole 212 is further collected into the recovery tank 33, and finally the recovery tank 33 containing the powder is recovered and replaced by the lifting mechanism 42 and the slide mechanism 43 of the moving unit 4, and replaced with a new recovery tank 33.
  • the recovery tank 33 containing the powder is recovered and replaced by the lifting mechanism 42 and the slide mechanism 43 of the moving unit 4, and replaced with a new recovery tank 33.
  • the remaining powder after the completion of the layer-by-layer spreading operation can scrape the powder on the platform 21 to the recovery through the flexible blade member 232.
  • the holes 212 are collected, and the recovery tank 33 is replaced by the elevating mechanism 42 and the slide mechanism 43 of the moving unit 4, thereby achieving the purpose of automatically recovering the powder.

Abstract

一种自动回收粉料的铺粉机，包含一铺粉单元（2）、一粉料收集单元（3）及一移动单元（4），其中粉料收集单元（3）具有一座体（31）、一工作槽（32）及至少一回收槽（33），利用回收槽及移动单元的设计，使粉料能够被自动的回收。

Description

自动回收粉料的铺粉机 技术领域
本发明是有关于一种粉料回收装置，特别是关于应用在3D(三维)打印的一种自动回收粉料的铺粉机。
背景技术
3D快速成型(也称为3D打印)的主要技术内容是把数据数据及原料放进3D打印机中，透过铺粉装置将产品一层一层的打印出来，而形成最终成品。3D打印主要包括选择性激光烧结(Selective LaserSintering，SLS)、选择性激光熔化(Selective Laser Melting，SLM)、直接金属粉料激光烧结(Direct Metal Laser Sintering，DMLS)，及电子束熔化(Electron Beam Melting,EBM)等技术。SLS是利用低功率激光烧结低熔点高分子粉料；SLM是利用高能束激光直接熔化金属粉料；DMLS是采用激光对二元金属进行烧结；而EBM采用电子束熔化金属粉料。
然而，在3D打印机中，现有的铺粉装置一般采用人工进行换粉回收，也就是必须在铺粉平台上对完成铺粉作业后剩余的粉料进行人工清理及回收，整个过程费时费力，容易影响到产品的加工效率。
因此，有必要提供一种改良的自动回收粉料的铺粉机，以解决现有技术所存在的问题。
发明内容
有鉴于此，本发明主要目的在于提供一种自动回收粉料的铺粉机，利用回收槽以及移动单元的设计，使得剩余粉料能够自动被回收。
为达上述的目的，本发明提供一种自动回收粉料的铺粉机，用以在一3D打印机台中进行铺洒一粉料及回收所述粉料，所述自动回收粉料的铺粉机包含一铺粉单元、一粉料收集单元及一移动单元；所述铺粉单元具有一平台、 一移动器及一铺粉器，所述移动器设置在所述平台上，所述铺粉器组合在所述移动器上，用以对所述平台进行所述粉料的铺洒，其中所述平台具有一工作孔及至少一回收孔，所述工作孔用以提供一激光发射器对一成形物件进行激光加工，所述回收孔用以回收所述粉料；所述粉料收集单元设置在所述平台的下方，并具有一座体、一工作槽及至少一回收槽，所述工作槽设置在所述座体上且对应于所述工作孔，用以容置所述成形物件，所述回收槽设置在所述座体上且对应于所述回收孔；所述移动单元具有一底座及一升降机构，所述升降机构设置在所述底座上，用以驱动所述座体垂直移动，使所述粉料收集单元与所述平台进行组合或分离。
在本发明的一实施例中，所述铺粉器具有一粉料槽及一挠性刮刀件，所述粉料槽用以容置所述粉料，所述挠性刮刀件设置在所述粉料槽下，用以在所述工作孔及所述回收孔之间往复移动，以对所述成形物件铺洒所述粉料及回收所述粉料。
在本发明的一实施例中，所述平台具有一工作凸环及一回收凸环，所述工作凸环形成在所述工作孔的下方，且用以与所述工作槽卡合，所述回收凸环形成在所述回收孔的下方，且用以与所述回收槽卡合。
在本发明的一实施例中，所述座体具有一固定座及至少一基座，所述工作槽可移动的设置在所述固定座中，所述基座设置在所述固定座外，且所述回收槽设置在所述基座上。
在本发明的一实施例中，所述升降机构具有一升降杆、一弹簧及一弹簧座，所述升降杆穿伸所述底座，所述弹簧设置在所述底座上，所述弹簧座设置在所述弹簧及所述座体之间，且用以卡合所述升降杆。
在本发明的一实施例中，所述粉料收集单元还具有一底板，所述成形物件形成在所述底板上，且所述底板被所述升降杆推抵而在所述工作孔及工作槽移动。
在本发明的一实施例中，所述粉料收集单元还具有一挡止部，设置在所述工作槽的底部，用以挡止所述底板。
在本发明的一实施例中，所述移动单元还具有一滑台机构，设置在所述底座上，用以驱动所述粉料收集单元水平移动。
在本发明的一实施例中，所述滑台机构具有一滑轨，所述粉料收集单元的座体组合在所述滑轨上，并且在靠近所述铺粉单元的平台的一工作位置及远离所述铺粉单元的平台的一换料位置之间移动。
在本发明的一实施例中，所述铺粉单元还具有一罩体及一加工孔，所述罩体设置在所述平台上，所述加工孔形成在所述罩体上，并位于所述激光发射器下方。
如上所述，本发明的自动回收粉料的铺粉机，利用所述回收槽的设计，使得结束逐层铺粉作业后的剩余粉料能够通过所述挠性刮刀件将所述平台上的粉料刮移至所述回收孔而被收集，并且透过所述移动单元的升降机构及滑台机构对所述回收槽进行替换，而达到自动回收粉料的目的。
附图说明
图1是根据本发明自动回收粉料的铺粉机的一较佳实施例的一立体图。
图2是根据本发明自动回收粉料的铺粉机的一较佳实施例的一侧视图。
图3至6是根据本发明自动回收粉料的铺粉机的一较佳实施例在操作过程中的剖视图。
实施方式
以下各实施例的说明是参考附加的图式，用以例示本发明可用以实施的特定实施例。再者，本发明所提到的方向用语，例如上、下、顶、底、前、后、左、右、内、外、侧面、周围、中央、水平、横向、垂直、纵向、轴向、径向、最上层或最下层等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本发明，而非用以限制本发明。
请参照图1至3所示，为本发明自动回收粉料的铺粉机的一较佳实施例，用以在一3D打印机台中进行铺洒一粉料及回收所述粉料，其中自动回收粉料的一铺粉机100包含一铺粉单元2、一粉料收集单元3及一移动单元4，本发明将于下文详细说明各组件的细部构造、组装关系及其运作原理。
请参照图1至3所示，所述铺粉单元2具有一平台21、一移动器22、一铺粉器23、一罩体24及一加工孔25；所述平台21具有一工作孔211、二个回收孔212、一个工作凸环213及二个回收凸环214，其中所述工作孔211位于所述平台21的中心，用以提供一激光发射器101对一成形物件102进行激光加工(见图2)；所述回收孔212位于所述工作孔211的相对二侧，用以回收所述粉料；所述工作凸环213形成在所述工作孔211的下方周缘处；所述回收凸环214分别形成在所述两回收孔212的下方周缘处。所述移动器22设置在所述平台21上，用以带动所述铺粉器23移动；而所述铺粉器23组合在所述移动器22上，用以对所述平台21进行所述粉料的铺洒；所述铺粉器23具有一粉料槽231及一挠性刮刀件232，所述粉料槽231用以容置所述粉料，所述挠性刮刀件232设置在所述粉料槽231下，用以在所述工作孔211及所述回收孔212之间往复移动，以对所述成形物件102铺洒所述粉料及回收所述粉料。所述罩体24设置在所述平台21上，且所述加工孔25形成在所述罩体24上，并位于所述激光发射器101下方。
请参照图1至3所示，所述粉料收集单元3设置在所述平台21的下方，且图3所示，所述粉料收集单元3具有一座体31、一工作槽32、二个回收槽33、一底板34及一挡止部35；所述座体31具有一固定座311及二基座312，其中所述基座312设置在所述固定座311外；所述工作槽32对应于所述工作孔211并可移动的设置在所述座体31的固定座311中，另外所述工作槽32用以容置所述成形物件102且所述工作凸环213用以与所述工作槽卡合；所述回收槽33设置在所述座体31的基座312上，而且分别对应于所述两回收 孔212，而且所述回收凸环214分别用以与所述两回收槽33卡合；所述成形物件102透过逐层的铺粉及激光而形成在所述底板34上；所述挡止部35设置在所述工作槽32的底部，用以挡止所述底板34。
请参照图1至3所示，所述移动单元4具有一底座41、一升降机构42及一滑台机构43；所述升降机构42设置在所述底座41上，用以驱动所述座体31垂直移动，使所述粉料收集单元3的工作槽32及收槽33与所述铺粉单元2的平台21进行组合或分离，其中所述升降机构42具有一升降杆421、一弹簧422及一弹簧座423，所述升降杆421穿伸所述底座41，所述弹簧422设置在所述底座41上，所述弹簧座423设置在所述弹簧422及所述座体31之间，且用以卡合所述升降杆421，而且所述底板34被所述升降杆421推抵而在所述工作孔211及工作槽32中移动；如图1、2所示，所述滑台机构43设置在所述底座34上，用以驱动所述粉料收集单元3水平移动，其中所述滑台机构43具有一滑轨431，所述粉料收集单元3的座体31组合在所述滑轨431上，并且在靠近所述铺粉单元2的平台21的一工作位置及远离所述铺粉单元2的平台21的一换料位置之间移动。
请参照图3至6所示，依据上述的结构，当准备要进行铺粉作业是，所述粉料收集单元3的座体31会从图2的所述换料位置向所述铺粉单元2的平台21移动至所述工作位置，使所述座体31位于所述底座41上；此时，如图3所示，所述升降机构42的升降杆421向上推抵，使所述座体31向上移动，同时所述弹簧422的弹性恢复力推抵所述弹簧座423，使所述固定座向上提升；接着所述工作槽32及所述回收槽33被推升而分别卡合于所述工作凸环213及所述回收凸环214；此时，如图4所示，所述升降杆421仍持续上升，并且将所述底板34于所述工作槽32中往上推抵移动；如图5所示，所述底板34移动通过所述工作槽32而往所述平台21移动，并且如图6所示，将所述底板34停留在所述工作孔211中，使所述底板34与所述平台21呈同平面， 接着开始进行逐层的铺粉及激光作业，以形成所述成形物件102；而结束逐层铺粉作业，由所述挠性刮刀件232将所述平台21上的粉料刮移至所述回收孔212，进而收集至所述回收槽33中，最后透过所述移动单元4的升降机构42及滑台机构43将装有粉料的回收槽33回收并替换新的回收槽33，用以达到自动回收粉料的目的。
通过上述的设计，利用所述回收槽33的设计，使得结束逐层铺粉作业后的剩余粉料能够通过所述挠性刮刀件232将所述平台21上的粉料刮移至所述回收孔212而被收集，并且透过所述移动单元4的升降机构42及滑台机构43对所述回收槽33进行替换，而达到自动回收粉料的目的。
本发明已由上述相关实施例加以描述，然而上述实施例仅为实施本发明的范例。必需指出的是，已公开的实施例并未限制本发明的范围。相反的，包含于权利要求书的精神及范围的修改及均等设置均包括于本发明的范围内。

Claims (10)

  1. 一种自动回收粉料的铺粉机，用以在一3D打印机台中进行铺洒一粉料及回收所述粉料，其特征在于：所述自动回收粉料的铺粉机包含：
    一铺粉单元，具有：一平台；一移动器，设置在所述平台上；及一铺粉器，组合在所述移动器上，用以对所述平台进行所述粉料的铺洒，其中所述平台具有：一工作孔，用以提供一激光发射器对一成形物件进行激光加工；及至少一回收孔，用以回收所述粉料；
    一粉料收集单元，设置在所述平台的下方，并具有：一座体；一工作槽，设置在所述座体上且对应于所述工作孔，用以容置所述成形物件；及至少一回收槽，设置在所述座体上且对应于所述回收孔；及
    一移动单元，具有一底座及一升降机构，所述升降机构设置在所述底座上，用以驱动所述座体垂直移动，使所述粉料收集单元与所述平台进行组合或分离。
  2. 如权利要求1所述的自动回收粉料的铺粉机，其特征在于：所述铺粉器具有：一粉料槽，用以容置所述粉料；及一挠性刮刀件，设置在所述粉料槽下，用以在所述工作孔及所述回收孔之间往复移动，以对所述成形物件铺洒所述粉料及回收所述粉料。
  3. 如权利要求1所述的自动回收粉料的铺粉机，其特征在于：所述平台具有：一工作凸环，形成在所述工作孔的下方，且用以与所述工作槽卡合；及一回收凸环，形成在所述回收孔的下方，且用以与所述回收槽卡合。
  4. 如权利要求1所述的自动回收粉料的铺粉机，其特征在于：所述座体具有：一固定座，所述工作槽可移动的设置在所述固定座中；及至少一基座，设置在所述固定座外，所述回收槽设置在所述基座上。
  5. 如权利要求1所述的自动回收粉料的铺粉机，其特征在于：所述升降机构具有：一升降杆，穿伸所述底座；一弹簧，设置在所述底座上；及一弹簧 座，设置在所述弹簧及所述座体之间，且用以卡合所述升降杆。
  6. 如权利要求5所述的自动回收粉料的铺粉机，其特征在于：所述粉料收集单元还具有一底板，所述成形物件形成在所述底板上，且所述底板被所述升降杆推抵而在所述工作孔及工作槽移动。
  7. 如权利要求6所述的自动回收粉料的铺粉机，其特征在于：所述粉料收集单元还具有一挡止部，设置在所述工作槽的底部，用以挡止所述底板。
  8. 如权利要求1所述的自动回收粉料的铺粉机，其特征在于：所述移动单元还具有一滑台机构，设置在所述底座上，用以驱动所述粉料收集单元水平移动。
  9. 如权利要求1所述的自动回收粉料的铺粉机，其特征在于：所述滑台机构具有一滑轨，所述粉料收集单元的座体组合在所述滑轨上，并且在靠近所述铺粉单元的平台的一工作位置及远离所述铺粉单元的平台的一换料位置之间移动。
  10. 如权利要求1所述的自动回收粉料的铺粉机，其特征在于：所述铺粉单元还具有：一罩体，设置在所述平台上；及一加工孔，形成在所述罩体上，并位于所述激光发射器下方。
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CN112776340A (zh) * 2021-01-15 2021-05-11 芜湖市爱三迪电子科技有限公司 一种3d打印机用回粉装置
CN112776340B (zh) * 2021-01-15 2024-04-05 芜湖市爱三迪电子科技有限公司 一种3d打印机用回粉装置
CN113118471A (zh) * 2021-04-25 2021-07-16 中北大学 一种用于3d打印机的铺粉装置
CN113118471B (zh) * 2021-04-25 2022-07-01 中北大学 一种用于3d打印机的铺粉装置
CN115156559A (zh) * 2022-02-23 2022-10-11 上海工程技术大学 一种基于激光技术进行高效复合制造的设备
CN115156559B (zh) * 2022-02-23 2024-01-30 上海工程技术大学 一种基于激光技术进行高效复合制造的设备

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