WO2019024304A1 - 用于光固化3d打印机的可自动更换网板机构装置 - Google Patents

用于光固化3d打印机的可自动更换网板机构装置 Download PDF

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WO2019024304A1
WO2019024304A1 PCT/CN2017/109542 CN2017109542W WO2019024304A1 WO 2019024304 A1 WO2019024304 A1 WO 2019024304A1 CN 2017109542 W CN2017109542 W CN 2017109542W WO 2019024304 A1 WO2019024304 A1 WO 2019024304A1
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Prior art keywords
stencil
assembly
photocuring
printer
exchange
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PCT/CN2017/109542
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English (en)
French (fr)
Inventor
周宏志
梁银生
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吴江中瑞机电科技有限公司
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Priority to US16/609,164 priority Critical patent/US11485082B2/en
Publication of WO2019024304A1 publication Critical patent/WO2019024304A1/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
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
    • 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
    • B29C64/245—Platforms or substrates
    • 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
    • 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
    • B33Y10/00—Processes of additive manufacturing
    • 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
    • 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
    • B29C64/35—Cleaning

Definitions

  • the present invention relates to the field of additive manufacturing technology, and in particular to an automatically replaceable stencil mechanism device for a photocuring 3D printer.
  • 3D Printing was first proposed by JimBred and Tim Anderson of the Massachusetts Institute of Technology. They designed a device that can bond powder based on a common inkjet printer. The device also became the earliest 3D printer.
  • 3D printing technology At the Laminate Manufacturing Development Symposium held in Washington, DC in March 2009, it officially decided to use laminate manufacturing, called 3D printing technology, and planned for the development of rapid prototyping technology in the next 10 years.
  • the main lamination manufacturing technologies include selective laser sintering technology (Selective lasers, SLS), Stereolithography (SLA), and Fused Deposition Modeling (FDM).
  • SLS selective laser sintering technology
  • SLA Stereolithography
  • FDM Fused Deposition Modeling
  • the light curing molding technology irradiates a liquid photosensitive resin with a laser beam having a certain light intensity, and the resin is rapidly solidified under illumination to form a desired shape.
  • the cost of light-curing 3D printing equipment is expensive, the equipment maintenance cost is high, the working strength of the debugging personnel is large, and the existing 3D printer must remove the stencil and re-install after completing the printing of the parts, so that it is undoubtedly Increasing the labor intensity of the commissioning personnel is time-consuming and labor-intensive, resulting in production costs.
  • an automatically replaceable stencil mechanism device for a photocuring 3D printer which has a reasonable structure, reduces the labor intensity of the staff, and improves the production efficiency.
  • An automatically replaceable stencil mechanism apparatus for a photocuring 3D printer comprising a resin tank and a work table mounted on the resin tank, further comprising a stencil mechanism including a stencil exchange assembly and a slide assembly, the stencil The exchange assembly is mounted on the gliding assembly and implements stencil exchange by a gliding assembly comprising at least one rail assembly at any angle, the stencil exchange assembly including There are two adjacent movable stencil devices arranged, and the movable stencil device realizes front, rear, left and right and arbitrary angular position exchanges by the guide rail assembly.
  • each of the movable stencil devices comprises a Z-axis column mounted on the rail assembly, a second screw rod penetrating the column center, a motor connected to the second lead screw, a fixing plate mounted on the column, A cantilever beam mounted symmetrically on both sides of the fixed plate and a mesh plate mounted on the cantilever beam.
  • the cantilever beam is L-shaped, one side of which is fixed on the fixing plate and the other side is fixed on the lower surface of the screen.
  • the rail assembly comprises a slide mounted on a side of the table, two first guides symmetrically mounted on the slide, a first lead mounted on the centerline of the slide, and symmetrically mounted thereon
  • Two second rails on the workbench, the first rail and the second rail are horizontally disposed or vertically disposed, and each of the Z-axis pillars is mounted on the two first rails.
  • the workbench is a marble platform.
  • a squeegee mounted on the second rail is further included, the squeegee being located above the stencil.
  • the invention adopts two movable stencil devices to realize the replacement cycle work of the left and right stencils, reduces the labor intensity of the staff, and greatly improves the production efficiency.
  • FIG. 1 is a schematic structural view of an apparatus for automatically replacing a stencil mechanism for a photocuring 3D printer disclosed in Embodiment 1 of the present invention
  • FIG. 2 is a schematic view showing the working state of an apparatus for automatically replacing a stencil mechanism for a photocuring 3D printer according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic structural view of an apparatus for automatically replacing a stencil mechanism for a photocuring 3D printer according to Embodiment 2 of the present invention
  • FIG. 4 is a schematic structural view of an apparatus for automatically replacing a stencil mechanism for a photocuring 3D printer according to Embodiment 3 of the present invention.
  • an automatically changeable stencil mechanism apparatus for a photocuring 3D printer comprising a resin tank and a workbench mounted on the resin tank, further comprising a stencil mechanism including a stencil exchange assembly and a gliding assembly, the stencil exchange assembly being mounted on the gliding assembly and stencil exchanged by a gliding assembly, the gliding assembly comprising at least one rail assembly of any angle, the stencil exchange assembly comprising at least two adjacent arrangements
  • the movable stencil device realizes front, rear, left and right and arbitrary angular position exchanges by the guide rail assembly.
  • an automatically replaceable stencil mechanism device for a photocuring 3D printer includes a resin tank 1 and a work table 2 mounted on the resin tank 1, and a stencil mechanism, a stencil mechanism
  • the utility model comprises a stencil exchange assembly and a sliding assembly, which comprises a sliding table 3 mounted on the side of the table 2, two first guiding rails 4 symmetrically mounted on the sliding table 3, and mounted on the center line of the sliding table 3 a first lead screw 6 and two second guide rails 5 perpendicularly mounted on the table 2 perpendicularly to the first guide rail 4, the screen exchange assembly comprising at least two adjacent movable movable screen devices
  • Each of the movable stencil devices includes a Z-axis column 7 mounted on the first rail 4, a second screw rod 8 penetrating the column 7 at the center, a motor 9 connected to the second lead screw 8, and a column mounted on the column
  • the fixing plate 10 on the seventh side, the suspension beam 11 symmetrically mounted on both sides of the fixing plate 10, and the stencil 12 mounted on the suspension
  • the movable stencil device of the present invention passes the first guide Movement, left and right positions to achieve screen replacement, in order to achieve stencil work cycle, the work of replacing the removable screen, reducing the labor intensity of the workers, but also improve the production efficiency.
  • the table 2 is a marble platform that has a longer service life and ensures the stability of the device.
  • a squeegee mounted on the second guide rail 5 is further included. 13.
  • the squeegee 13 is located above the stencil 12, and the squeegee 13 ensures that the liquid level of the resin in the resin tank 1 is flattened, thereby reducing the probability of component damage.
  • a schematic structural view of an automatically replaceable stencil mechanism apparatus for a photocuring 3D printer is different from Embodiment 1 in that the first guide rail in Embodiment 2 is parallel to the second guide rail to realize Replace the front and rear positions of the stencil.
  • FIG. 4 a schematic structural view of an automatically replaceable stencil mechanism for a photocuring 3D printer, which differs from Embodiment 1 in that two adjacent movable stencil devices in Embodiment 3 are mounted in a rotation. Institutionally, the angular rotation is performed to achieve positional rotation replacement of the stencil.

Abstract

一种用于光固化3D打印机的可自动更换网板机构装置，其包括树脂槽（1）以及安装在树脂槽（1）上的工作台（2），还包括一网板机构，其包括网板交换组件以及滑行组件，所述网板交换组件安装在滑行组件上并通过滑行组件实现网板（12）交换，所述滑行组件包括至少一个任意角度的导轨组件，所述网板交换组件包括至少两个相邻设置的可移动网板装置，所述可移动网板装置通过导轨组件实现前后、左右及任意角度位置交换。该可自动更换网板机构装置避免了人为更换网板、耗时耗力的缺陷，减少了人工劳动力，提高了生产效率。

Description

用于光固化3D打印机的可自动更换网板机构装置 技术领域
本发明涉及增材制造技术领域，具体涉及一种用于光固化3D打印机的可自动更换网板机构装置。
背景技术
3D打印(3DPrinting)最早由美国麻省理工学院的JimBred和TimAnderson提出，他们基于一台普通的喷墨打印机设计出一台可粘接粉末的设备，该设备也成为最早的3D打印机。2009年3月在美国华盛顿举行的叠层制造发展研讨会上，正式确定使用叠层制造，称呼3D打印技术，并就未来10年快速成型技术的发展做出了规划。目前主要的叠层制造技术包括选择性激光烧结技术(Selectivelasersintering，缩略词为SLS)，立体光刻成型技术(Stereolithography,SLA),熔融沉积成型技术(FusedDepositionModeling,缩略词为FDM)等。光固化成型技术采用具有一定光强的激光束照射液态光敏树脂，树脂在光照下迅速固化形成所需形状。
目前，光固化3D打印设备的价格昂贵，设备维修成本高，调试人员的工作强度大，而且现有的3D打印机在完成零件的打印后，都要拆除网板、再重新安装，这样的话，无疑增加调试人员的劳动强度，费时费力，造成生产成本。
发明内容
为解决上述技术问题，我们提出了一种用于光固化3D打印机的可自动更换网板机构装置，结构合理，减少了工作人员的劳动强度，提高了生产效率。
为达到上述目的，本发明的技术方案如下：
用于光固化3D打印机的可自动更换网板机构装置，其包括树脂槽以及安装在树脂槽上的工作台，还包括一网板机构，其包括网板交换组件以及滑行组件，所述网板交换组件安装在滑行组件上并通过滑行组件实现网板交换，所述滑行组件包括至少一个任意角度的导轨组件，所述网板交换组件包括至 少两个相邻设置的可移动网板装置，所述可移动网板装置通过导轨组件实现前后、左右及任意角度位置交换。
优选的，每所述可移动网板装置包括安装在导轨组件上的Z轴立柱、中心贯穿立柱的第二丝杆、与所述第二丝杠相连的电机、安装在立柱上的固定板、对称安装在固定板两边上的悬梁以及安装在悬梁上的网板。
优选的，所述悬梁呈L型，其一边固定在固定板上，另一边固定在网板下表面上。
优选的，所述导轨组件包括安装在工作台侧边上的滑台、对称安装在滑台上的两个第一导轨、安装在滑台中心线上的第一丝杆以及对称安装在所述工作台上的两个第二导轨，所述第一导轨与第二导轨呈水平设置或垂直设置，每所述Z轴立柱安装在所述两个第一导轨。
优选的，所述工作台是大理石平台。
优选的，还包括安装在第二导轨上的刮板，所述刮板位于所述网板的上方。
通过上述技术方案，本发明采用两个可移动网板装置，实现左右网板替换循环工作，减少了工作人员的劳动强度，而且生产效率大大的提高了。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例1所公开的一种用于光固化3D打印机的可自动更换网板机构装置的结构示意图；
图2为本发明实施例1所公开的一种用于光固化3D打印机的可自动更换网板机构装置的工作状态示意图；
图3为本发明实施例2所公开的一种用于光固化3D打印机的可自动更换网板机构装置的结构示意图；
图4为本发明实施例3所公开的一种用于光固化3D打印机的可自动更换网板机构装置的结构示意图。
图中各标记如下：
1，树脂槽；2，工作台；3，滑台；4，第一导轨；5，第二导轨；6，第 一丝杆；7，立柱；8，第二丝杆；9，电机；10，固定板；11，悬梁；12，网板；13，刮板。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
下面结合示意图对本发明的具体实施方式作进一步详细的说明。
参照图1至图4，用于光固化3D打印机的可自动更换网板机构装置，其包括树脂槽以及安装在树脂槽上的工作台，还包括一网板机构，其包括网板交换组件以及滑行组件，所述网板交换组件安装在滑行组件上并通过滑行组件实现网板交换，所述滑行组件包括至少一个任意角度的导轨组件，所述网板交换组件包括至少两个相邻设置的可移动网板装置，所述可移动网板装置通过导轨组件实现前后、左右及任意角度位置交换。
实施例1
继续参照图1、图2，用于光固化3D打印机的可自动更换网板机构装置，其包括树脂槽1以及安装在树脂槽1上的工作台2，还包括一网板机构，网板机构包括网板交换组件以及滑行组件，所述滑行组件包括安装在工作台2侧边上的滑台3、对称安装在滑台3上的两个第一导轨4、安装在滑台3中心线上的第一丝杆6以及垂直所述第一导轨4对称安装在所述工作台2上的两个第二导轨5，所述网板交换组件包括至少两个相邻设置的可移动网板装置，每所述可移动网板装置包括安装在第一导轨4上的Z轴立柱7、中心贯穿立柱7的第二丝杆8、与所述第二丝杠8相连的电机9、安装在立柱7上的固定板10、对称安装在固定板10两边上的悬梁11以及安装在悬梁11上的网板12，所述悬梁11呈L型，其一边固定在固定板10上，另一边固定在网板12下表面上，本发明中的可移动网板装置通过第一导轨的运动，实现网板的左右位置更换，从而实现网板循环工作，免去拆换网板的工作，减少了工作人员的劳动强度，而且也提高了生产效率。
继续参照图1、图2，在本发明中，所述工作台2是大理石平台，其使用寿命更久，保证了装置的稳定性。
继续参照图1、图2，在本发明中，还包括安装在第二导轨5上的刮板 13，所述刮板13位于所述网板12的上方，该刮板13保证了树脂槽1里树脂的液位铺平，从而降低了零件打坏的几率。
实施例2
继续参照图3，用于光固化3D打印机的可自动更换网板机构装置的结构示意图，其与实施例1的区别在于，实施例2中的第一导轨是与第二导轨相平行，以实现网板的前后位置更换。
实施例3
继续参照图4，用于光固化3D打印机的可自动更换网板机构装置的结构示意图，其与实施例1的区别在于，实施例3中相邻的两个可移动网板装置安装在一旋转机构上，通过角度旋转以实现网板的位置旋转更换。
以上所述的仅是本发明的优选实施方式，应当指出，对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。

Claims (7)

  1. 用于光固化3D打印机的可自动更换网板机构装置，其包括树脂槽以及安装在树脂槽上的工作台，其特征在于，还包括一网板机构，其包括网板交换组件以及滑行组件，所述网板交换组件安装在滑行组件上并通过滑行组件实现网板交换，所述滑行组件包括至少一个任意角度的导轨组件，所述网板交换组件包括至少两个相邻设置的可移动网板装置，所述可移动网板装置通过导轨组件实现前后、左右及任意角度位置交换。
  2. 根据权利要求1所述的用于光固化3D打印机的可自动更换网板机构装置，其特征在于，每所述可移动网板装置包括安装在导轨组件上的Z轴立柱、中心贯穿立柱的第二丝杆、与所述第二丝杠相连的电机、安装在立柱上的固定板、对称安装在固定板两边上的悬梁以及安装在悬梁上的网板。
  3. 根据权利要求2所述的用于光固化3D打印机的可自动更换网板机构装置，其特征在于，所述悬梁呈L型，其一边固定在固定板上，另一边固定在网板下表面上。
  4. 根据权利要求2所述的用于光固化3D打印机的可自动更换网板机构装置，其特征在于，所述导轨组件包括安装在工作台侧边上的滑台、对称安装在滑台上的两个第一导轨、安装在滑台中心线上的第一丝杆以及对称安装在所述工作台上的两个第二导轨，所述第一导轨与第二导轨呈水平设置或垂直设置，每所述Z轴立柱安装在所述两个第一导轨。
  5. 根据权利要求1所述的用于光固化3D打印机的可自动更换网板机构装置，其特征在于，所述工作台是大理石平台。
  6. 根据权利要求1所述的用于光固化3D打印机的可自动更换网板机构装置，其特征在于，还包括安装在第二导轨上的刮板，所述刮板位于所述网板的上方。
  7. 用于光固化3D打印机的可自动更换网板机构装置，其包括树脂槽以及安装在树脂槽上的工作台，其特征在于，还包括一驱动装置和多个网板，该驱动装置作用于所述网板，并可将一网板移送至工作台上，同时将位于工作台上的另一网板移出。
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