WO2014101020A1 - Material increase manufacturing apparatus through multi-metal liquid spray deposition - Google Patents

Material increase manufacturing apparatus through multi-metal liquid spray deposition Download PDF

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Publication number
WO2014101020A1
WO2014101020A1 PCT/CN2012/087576 CN2012087576W WO2014101020A1 WO 2014101020 A1 WO2014101020 A1 WO 2014101020A1 CN 2012087576 W CN2012087576 W CN 2012087576W WO 2014101020 A1 WO2014101020 A1 WO 2014101020A1
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WO
WIPO (PCT)
Prior art keywords
heating device
deposition
metal
manufacturing apparatus
metal liquid
Prior art date
Application number
PCT/CN2012/087576
Other languages
French (fr)
Chinese (zh)
Inventor
单忠德
刘丰
李柳
Original Assignee
机械科学研究总院先进制造技术研究中心
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Priority to PCT/CN2012/087576 priority Critical patent/WO2014101020A1/en
Publication of WO2014101020A1 publication Critical patent/WO2014101020A1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/115Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/16Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20Direct sintering or melting
    • B22F10/22Direct deposition of molten metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/30Process control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00Apparatus 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
    • B22F12/10Auxiliary heating means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00Apparatus 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
    • B22F12/22Driving means
    • B22F12/222Driving means for motion along a direction orthogonal to the plane of a layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00Apparatus 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
    • B22F12/50Means for feeding of material, e.g. heads
    • B22F12/55Two or more means for feeding material
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06Metallic material
    • C23C4/08Metallic material containing only metal elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/02Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

Definitions

  • the present invention relates to the field of special processing machine tools and additive manufacturing technologies, and more particularly to a multi-metal liquid jet deposition additive manufacturing apparatus.
  • Metal jet forming technology is a rapid solidification forming material preparation technology which naturally combines atomization (rapid solidification) of liquid metal and deposition of atomized droplets (drip dynamic compacting) with minimal The process of making high-performance materials or near-formed parts directly from liquid metal.
  • the metal spray deposition technology and equipment not only overcome the shortcomings such as sand holes, sand sticks, pores and shrinkage holes in the traditional casting process, but also abandon the shortage of powder metallurgy processes and serious oxidation.
  • An object of the present invention is to solve the above problems in the prior art, and to provide a multi-metal liquid jet deposition additive manufacturing apparatus capable of realizing rapid and precise manufacture of multi-metal parts.
  • the invention provides a multi-metal liquid jet deposition additive manufacturing apparatus, comprising a deposition chamber, a heating device disposed above the deposition chamber, a nozzle connected to the heating device, a base located inside the deposition chamber, and a work table slidably connected to the base.
  • the heating device may be one or more, and the heating device may heat and melt a metal material, or simultaneously Heating and melting a variety of metal materials, the table can reciprocate along the X-axis and Y-axis directions.
  • the dedicated integrated control system can control multiple nozzles to simultaneously spray deposition, or it can be a single nozzle deposition. Step, the table can reciprocate along the Z-axis direction. Further, the heating device and the spray head can be reciprocated in the z-axis direction while being driven by the drive system. Further, the nozzle diameters may be the same or different. Further, each nozzle can individually control the injection rate.
  • the heating device includes a melting furnace, an electric furnace, a crucible furnace, an induction heating device, and a plasma heating device.
  • the multi-metal liquid jet deposition additive manufacturing equipment of the invention comprises a plurality of heating devices and nozzles, can control a plurality of nozzles to simultaneously spray a plurality of metal deposition forming, obtain high-density multi-metal parts, and has high jet deposition efficiency. Precision and rapid manufacturing of multi-metal parts, not only the overall hardness and toughness of the formed parts, but also good local application performance as needed. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in FIG. In the drawings: Fig.
  • FIG. 1 is a schematic view showing the structure of a multimetal liquid jet deposition additive manufacturing apparatus according to the present invention.
  • a multimetal liquid jet deposition additive manufacturing apparatus comprising a deposition chamber, a heating device disposed above the deposition chamber, a plurality of nozzles connected to the heating device, a base located inside the deposition chamber, and a table slidably coupled to the base , a deposition substrate mounted on the workbench, a dedicated integrated control system for connecting and controlling the nozzle, the workbench, one or more heating devices for heating and melting a metal material or simultaneously melting and melting a plurality of metal materials,
  • the table is reciprocally movable in the X-axis and Y-axis directions, and a dedicated integrated control system controls a plurality of simultaneous ejection depositions of the plurality of nozzles or controls a single nozzle of the plurality of nozzles to separately spray deposition.
  • the table 4 is reciprocally movable in the Z-axis direction, and the heating device 1 and the head 8 are reciprocally movable in the Z-axis direction while being driven by the drive system.
  • the diameters of the nozzles 8 may be the same or different.
  • the heating device 1 may be a melting furnace, an electric furnace, a crucible furnace, an induction heating device, a plasma heating device, etc., and is equipped with various raw material and auxiliary material feeding systems, which may be many
  • the heating device 1 respectively performs material heating and melting, and may also be a heating device 1 to perform various materials separately.
  • the material is heated and melted to prepare a plurality of metal molten materials for the spray deposition forming of the multi-metal liquid jet deposition additive manufacturing apparatus of the present invention.
  • the dedicated integrated control system 10 runs a special control software matched with the multi-metal liquid jet deposition process, and combines the contour of the multi-metal parts and the internal material structure performance requirements to digitally control the worktable 4, the heating device 1, and the spray head 8.
  • the metal material in the heating and melting process may be in an atmospheric environment, a vacuum environment or a protective gas atmosphere.
  • the spray deposition process may be in a vacuum environment or in a protective gas atmosphere.
  • the spray deposition process can have different scanning speeds, and different nozzles 8, different injection rates, and different scanning speeds are used to carry out different regions of the multi-metal parts.
  • the filling can produce a multi-metal part with special application properties.
  • a part of the bottom material is A metal
  • the L-shaped corner area is C metal
  • the other part is B metal
  • the processing is described as follows: a three-dimensional CAD solid model of the formed part is established by using a computer; To the layering, the three-dimensional solid model is divided into a layered model of a machinable single-layer thickness; the jet-deposition process of the formed part is analyzed by a computer to generate an ejection scan path of each layer.
  • the heating device 1 is respectively placed with three metals A, B and C as raw materials, the deposition substrate 7 is fixed on the worktable, and the power is turned on, and the professional integrated control system 10 controls the various parts of the device according to the set parameters: Vacuum pump 9
  • the operation draws the heating device 1 into a required vacuum environment, and the heating device 1 heats and melts the required A metal liquid, B metal liquid and C metal liquid, and the vacuum pump 11 operates to extract the required vacuum environment in the deposition chamber 5;
  • the control system 10 controls the table 4 to move in accordance with the set scan path in the XY plane, selects a nozzle and a suitable injection rate to spray A metal liquid, and after one layer is sprayed, the table is lowered by one layer thickness and sprayed layer by layer; After the bottom part of the metal part 3 is spray-deposited, the b-spray and the appropriate injection rate are sprayed to spray the B-metal liquid.
  • the stage is lowered by a layer thickness and sprayed layer by layer; when the B-metal material is deposited to a certain thickness, Two metal materials of 8 and C are simultaneously present in one spray layer, and b nozzles and suitable sprays are alternately selected according to the scanning path and material region information of the spray layer.
  • the multi-metal liquid jet deposition additive manufacturing device of the invention can control a plurality of nozzles to simultaneously spray a plurality of metal deposition moldings to obtain high-density multi-metal parts, high jet deposition efficiency, and realize precise and rapid manufacture of multi-metal parts.
  • the formed parts not only have a high overall hardness and toughness, but also have good local application properties as needed.
  • the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Abstract

A material increase manufacturing apparatus through multi-metal liquid spray deposition comprises a deposition chamber (5), a heating device (1) disposed above the deposition chamber (5), nozzles (8) connected to the heating device (1), a base (6) located in the deposition chamber (5), a working platform (4) slidably connected to the base (6), and a dedicated integrated control system (10) that connects and controls the nozzles (8) and the working platform (4). The heating device (1) may be one or more, and the heating device (1) can melt one or more types of metal materials by heating. The working platform (4) can move in a reciprocating manner along X-axis and Y-axis directions. The dedicated integrated control system (10) can control multiple nozzles (8) to spray simultaneously, or control spray deposition of a single nozzle, to obtain multi-metal parts of high density. By means of the material increase manufacturing apparatus through multi-metal liquid spray deposition, the spray deposition efficiency is high, and precise and rapid manufacturing of multi-metal parts can be achieved.

Description

多金属液态喷射沉积增材制造设备 技术领域 本发明涉及特种加工机床和增材制造技术领域, 更具体地, 涉及一种多金属液态 喷射沉积增材制造设备。 背景技术 金属喷射成形技术是一种快速凝固成形材料制备技术, 该方法是把液态金属的雾 化 (快速凝固)以及雾化熔滴的沉积 (熔滴动态致密固化)自然地结合起来, 用最少的工 序, 直接从液态金属制取高性能材料或近成形零件。 采用金属喷射沉积技术及设备既 克服了传统铸造过程中存在的砂眼、 粘砂、 气孔、 缩孔等缺点, 又摈弃了粉末冶金工 序繁多, 氧化严重等不足。 同时又兼有粉末冶金技术的优点, 是一种极具竞争力的快 速凝固工艺。 由于快速凝固的组织优势, 各种喷射沉积材料的组织性能, 如耐蚀、 耐 磨、 磁性、 强度、 韧性等性能指标较常规铸锻工艺生产的材料有大幅度提高, 可与粉 末冶金材料的组织性能相当。 对于金属喷射成形技术工业化生产而言, 需要保证足够的加工效率, 满足不同的 金属零件工艺性能, 但是目前的金属喷射成形技术及设备, 一般都是采用单一喷头或 两个喷头喷射同种金属或同种合金, 生产速率低, 且生产的坯件材料单一, 无法满足 多金属零部件快速制造的需求。 发明内容 本发明目的在于解决现有技术中存在的上述问题, 提供一种能够实现多金属零部 件快速、 精密制造的多金属液态喷射沉积增材制造设备。 发明提供了一种多金属液态喷射沉积增材制造设备, 包括沉积室, 设置在沉积室 上方的加热装置, 与加热装置相连的喷头, 位于沉积室内部的底座, 与底座滑动连接 的工作台, 安装在工作台上的沉积基底, 连接并控制所述喷头、 工作台的专用集成控 制系统, 加热装置可以为一个, 也可以是多个, 加热装置内可以加热熔化一种金属材 料, 也可以同时加热熔化多种金属材料, 工作台可沿 X轴和 Y轴方向往复移动, 专用 集成控制系统可控制多个喷头同时喷射沉积, 也可以是单个喷头沉积。 步地, 工作台可沿 Z轴方向进行往复移动。 进—步地, 加热装置和喷头可在驱动系统带动下同时沿 z轴方向进行往复移动。 进—步地, 喷头直径可以相同也可以不同。 进—步地, 每个喷头可以单独控制喷射速率。 进—步地, 加热装置包括熔炼炉、 电炉、 坩埚炉、 感应加热装置、 等离子加热装 置。 采用本发明的多金属液态喷射沉积增材制造设备, 包括多个加热装置和喷头, 可 控制多个喷头同时喷射多种金属沉积成形, 获得高致密度的多金属零件, 喷射沉积效 率高, 实现多金属零件的精密、 快速制造, 成形零件不仅整体硬度和韧性高, 而且可 根据需要获得较好的局部使用性能。 附图说明 构成本申请的一部分的附图用来提供对本发明的进一步理解, 本发明的示意性实 施例及其说明用于解释本发明, 并不构成对本发明的不当限定。 在附图中: 图 1是根据本发明的多金属液态喷射沉积增材制造设备结构示意图。 具体实施方式 下面将参考附图并结合实施例来详细说明本发明。 根据本发明的多金属液态喷射沉积增材制造设备, 包括沉积室, 设置在沉积室上 方的加热装置, 与加热装置相连的多个喷头, 位于沉积室内部的底座, 与底座滑动连 接的工作台, 安装在工作台上的沉积基底, 连接并控制喷头、 工作台的专用集成控制 系统, 加热装置为一个或多个, 加热装置用于加热熔化一种金属材料或同时加热熔化 多种金属材料, 工作台可沿 X轴和 Y轴方向往复移动, 专用集成控制系统控制所述多 个喷头中的多个同时喷射沉积或者控制所述多个喷头中的单个喷头单独喷射沉积。 如图 1所示, 工作台 4可沿 Z轴方向进行往复移动, 加热装置 1和喷头 8可在驱 动系统带动下同时沿 Z轴方向进行往复移动。 在本实施例中, 喷头 8直径可以相同也可以不同, 加热装置 1可以是熔炼炉、 电 炉、 坩埚炉、 感应加热装置、 等离子加热装置等, 配有各种原辅材料加料系统, 可以 是多个加热装置 1分别执行材料加热熔化, 也可以是一个加热装置 1分别执行多种材 料加热熔化, 为本发明的多金属液态喷射沉积增材制造设备喷射沉积成形准备多种金 属熔融材料。 专用集成控制系统 10运行多金属液态喷射沉积工艺相配套的专用控制软件,结合 多金属件轮廓和内部材料组织性能要求, 对工作台 4、加热装置 1、 喷头 8进行数字化 控制。 优选地, 金属材料在加热熔化过程可以是在大气环境下、 真空环境下也可以是在 保护气体环境下。 优选地, 喷射沉积过程可以是在真空环境下也可以是在保护气体环境下。 优选地, 通过控制工作台在 X轴和 Y轴方向的运动速度, 可使喷射沉积过程具有 不同的扫描速度, 采用不同的喷头 8、 不同的喷射速率和不同的扫描速度进行多金属 零件不同区域的填充, 可生产出局部具有特殊使用性能的多金属零件。 利用本发明制造一个底部材料为 A金属、 L形拐角区域为 C金属、 其他部分为 B 金属的零件, 加工过程描述如下: 利用计算机建立成形零件的三维 CAD实体模型; 将该三维实体模型在 Z向分层, 即将三维实体模型分成可加工单层厚度的层状模型; 利用计算机对成形零件喷射沉积 工艺进行分析, 生成各层的喷射扫描路径。 加热装置 1中分别放入 A、 B、 C三种金属为原材料,沉积基底 7固定在工作台上, 接通电源, 专业集成控制系统 10按照设置好的参数对设备各部分进行控制: 真空泵 9 运行将加热装置 1内抽成所需真空环境, 加热装置 1加热熔炼出所需的 A金属液、 B 金属液和 C金属液, 真空泵 11运行, 沉积室 5内抽出所需真空环境; 专业集成控制 系统 10控制工作台 4在 XY平面内按照设定的扫描路径运动,选择 a喷头和适合的喷 射速率喷射 A金属液, 一层喷射完毕之后, 工作台下降一个层厚, 逐层喷射; 多金属 零件 3底部喷射沉积成形后, 选择 b喷头和适合的喷射速率喷射 B金属液, 一层喷射 完毕之后, 工作台下降一个层厚, 逐层喷射; 待 B金属材料沉积一定的厚度时, 某一 喷射层同时出现8、 C两种金属材料, 按照该喷射层扫描路径和材料区域信息, 交替 选择 b喷头和适合的喷射速率喷射 B金属液、 c喷头和适合的喷射速率喷射 C金属液, 一层喷射完毕之后, 工作台下降一个层厚, 逐层喷射, 最终完成整体硬度和韧性高, 且局部性能好的多金属零件 3的快速、 精密制造。 从以上的描述中, 可以看出, 本发明上述的实施例实现了如下技术效果: 采用本发明的多金属液态喷射沉积增材制造设备可控制多个喷头同时喷射多种金 属沉积成形, 获得高致密度的多金属零件, 喷射沉积效率高, 实现多金属零件的精密、 快速制造, 成形零件不仅整体硬度和韧性高, 而且可根据需要获得较好的局部使用性 能。 以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对于本领域的技 术人员来说, 本发明可以有各种更改和变化。 凡在本发明的精神和原则之内, 所作的 任何修改、 等同替换、 改进等, 均应包含在本发明的保护范围之内。 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the field of special processing machine tools and additive manufacturing technologies, and more particularly to a multi-metal liquid jet deposition additive manufacturing apparatus. BACKGROUND OF THE INVENTION Metal jet forming technology is a rapid solidification forming material preparation technology which naturally combines atomization (rapid solidification) of liquid metal and deposition of atomized droplets (drip dynamic compacting) with minimal The process of making high-performance materials or near-formed parts directly from liquid metal. The metal spray deposition technology and equipment not only overcome the shortcomings such as sand holes, sand sticks, pores and shrinkage holes in the traditional casting process, but also abandon the shortage of powder metallurgy processes and serious oxidation. At the same time, it has the advantages of powder metallurgy technology and is a highly competitive rapid solidification process. Due to the advantages of rapid solidification, the structural properties of various spray-deposited materials, such as corrosion resistance, wear resistance, magnetic properties, strength, toughness, etc., are significantly improved compared to those produced by conventional casting and forging processes, and can be combined with powder metallurgy materials. Organizational performance is comparable. For the industrial production of metal injection molding technology, it is necessary to ensure sufficient processing efficiency to meet the process performance of different metal parts. However, the current metal injection molding technology and equipment generally use a single nozzle or two nozzles to spray the same metal or The same alloy has a low production rate and produces a single blank material that cannot meet the needs of rapid manufacturing of multi-metal parts. SUMMARY OF THE INVENTION An object of the present invention is to solve the above problems in the prior art, and to provide a multi-metal liquid jet deposition additive manufacturing apparatus capable of realizing rapid and precise manufacture of multi-metal parts. The invention provides a multi-metal liquid jet deposition additive manufacturing apparatus, comprising a deposition chamber, a heating device disposed above the deposition chamber, a nozzle connected to the heating device, a base located inside the deposition chamber, and a work table slidably connected to the base. a deposition substrate mounted on the workbench, connecting and controlling the special integrated control system of the nozzle and the workbench, the heating device may be one or more, and the heating device may heat and melt a metal material, or simultaneously Heating and melting a variety of metal materials, the table can reciprocate along the X-axis and Y-axis directions. The dedicated integrated control system can control multiple nozzles to simultaneously spray deposition, or it can be a single nozzle deposition. Step, the table can reciprocate along the Z-axis direction. Further, the heating device and the spray head can be reciprocated in the z-axis direction while being driven by the drive system. Further, the nozzle diameters may be the same or different. Further, each nozzle can individually control the injection rate. Further, the heating device includes a melting furnace, an electric furnace, a crucible furnace, an induction heating device, and a plasma heating device. The multi-metal liquid jet deposition additive manufacturing equipment of the invention comprises a plurality of heating devices and nozzles, can control a plurality of nozzles to simultaneously spray a plurality of metal deposition forming, obtain high-density multi-metal parts, and has high jet deposition efficiency. Precision and rapid manufacturing of multi-metal parts, not only the overall hardness and toughness of the formed parts, but also good local application performance as needed. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in FIG. In the drawings: Fig. 1 is a schematic view showing the structure of a multimetal liquid jet deposition additive manufacturing apparatus according to the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. A multimetal liquid jet deposition additive manufacturing apparatus according to the present invention, comprising a deposition chamber, a heating device disposed above the deposition chamber, a plurality of nozzles connected to the heating device, a base located inside the deposition chamber, and a table slidably coupled to the base , a deposition substrate mounted on the workbench, a dedicated integrated control system for connecting and controlling the nozzle, the workbench, one or more heating devices for heating and melting a metal material or simultaneously melting and melting a plurality of metal materials, The table is reciprocally movable in the X-axis and Y-axis directions, and a dedicated integrated control system controls a plurality of simultaneous ejection depositions of the plurality of nozzles or controls a single nozzle of the plurality of nozzles to separately spray deposition. As shown in Fig. 1, the table 4 is reciprocally movable in the Z-axis direction, and the heating device 1 and the head 8 are reciprocally movable in the Z-axis direction while being driven by the drive system. In this embodiment, the diameters of the nozzles 8 may be the same or different. The heating device 1 may be a melting furnace, an electric furnace, a crucible furnace, an induction heating device, a plasma heating device, etc., and is equipped with various raw material and auxiliary material feeding systems, which may be many The heating device 1 respectively performs material heating and melting, and may also be a heating device 1 to perform various materials separately. The material is heated and melted to prepare a plurality of metal molten materials for the spray deposition forming of the multi-metal liquid jet deposition additive manufacturing apparatus of the present invention. The dedicated integrated control system 10 runs a special control software matched with the multi-metal liquid jet deposition process, and combines the contour of the multi-metal parts and the internal material structure performance requirements to digitally control the worktable 4, the heating device 1, and the spray head 8. Preferably, the metal material in the heating and melting process may be in an atmospheric environment, a vacuum environment or a protective gas atmosphere. Preferably, the spray deposition process may be in a vacuum environment or in a protective gas atmosphere. Preferably, by controlling the movement speed of the table in the X-axis and Y-axis directions, the spray deposition process can have different scanning speeds, and different nozzles 8, different injection rates, and different scanning speeds are used to carry out different regions of the multi-metal parts. The filling can produce a multi-metal part with special application properties. By using the invention, a part of the bottom material is A metal, the L-shaped corner area is C metal, and the other part is B metal, and the processing is described as follows: a three-dimensional CAD solid model of the formed part is established by using a computer; To the layering, the three-dimensional solid model is divided into a layered model of a machinable single-layer thickness; the jet-deposition process of the formed part is analyzed by a computer to generate an ejection scan path of each layer. The heating device 1 is respectively placed with three metals A, B and C as raw materials, the deposition substrate 7 is fixed on the worktable, and the power is turned on, and the professional integrated control system 10 controls the various parts of the device according to the set parameters: Vacuum pump 9 The operation draws the heating device 1 into a required vacuum environment, and the heating device 1 heats and melts the required A metal liquid, B metal liquid and C metal liquid, and the vacuum pump 11 operates to extract the required vacuum environment in the deposition chamber 5; The control system 10 controls the table 4 to move in accordance with the set scan path in the XY plane, selects a nozzle and a suitable injection rate to spray A metal liquid, and after one layer is sprayed, the table is lowered by one layer thickness and sprayed layer by layer; After the bottom part of the metal part 3 is spray-deposited, the b-spray and the appropriate injection rate are sprayed to spray the B-metal liquid. After the layer is sprayed, the stage is lowered by a layer thickness and sprayed layer by layer; when the B-metal material is deposited to a certain thickness, Two metal materials of 8 and C are simultaneously present in one spray layer, and b nozzles and suitable sprays are alternately selected according to the scanning path and material region information of the spray layer. The injection rate of B metal liquid, c nozzle and suitable injection rate spray C metal liquid, after one layer is sprayed, the table is lowered by one layer thickness and sprayed layer by layer, finally achieving high hardness and toughness, and good local performance. Fast, precision manufacturing of metal parts 3. From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: The multi-metal liquid jet deposition additive manufacturing device of the invention can control a plurality of nozzles to simultaneously spray a plurality of metal deposition moldings to obtain high-density multi-metal parts, high jet deposition efficiency, and realize precise and rapid manufacture of multi-metal parts. The formed parts not only have a high overall hardness and toughness, but also have good local application properties as needed. The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

权 利 要 求 书 Claim
1. 一种多金属液态喷射沉积增材制造设备, 包括沉积室 (5 ), 设置在所述沉积室A multimetal liquid spray deposition additive manufacturing apparatus, comprising a deposition chamber (5) disposed in the deposition chamber
( 5 ) 上方的加热装置 (1 ), 与所述加热装置 (1 ) 相连的多个喷头 (8), 位于 所述沉积室内部的底座(6), 与所述底座(6)滑动连接的工作台 (4), 安装在 所述工作台上的沉积基底 (7), 连接并控制所述喷头 (8) 和工作台 (4) 的专 用集成控制系统 (10), 其特征在于, 所述加热装置 (1 ) 为一个或多个, 所述 加热装置(1 )用于加热熔化一种金属材料或同时加热熔化多种金属材料, 所述 工作台 (4) 可沿 X轴和 Y轴方向往复移动, 所述专用集成控制系统 (10) 控 制所述多个喷头中的多个同时喷射沉积或者控制所述多个喷头中的单个喷头单 独喷射沉积。 (5) an upper heating device (1), a plurality of nozzles (8) connected to the heating device (1), a base (6) located inside the deposition chamber, and slidingly connected to the base (6) a workbench (4), a deposition substrate (7) mounted on the workbench, and a dedicated integrated control system (10) for connecting and controlling the showerhead (8) and the workbench (4), characterized in that One or more heating devices (1) for heating and melting a metal material or simultaneously heating and melting a plurality of metal materials, the table (4) being slidable along the X-axis and the Y-axis Reciprocating, the dedicated integrated control system (10) controls a plurality of simultaneous ejection depositions of the plurality of showerheads or controls a single showerhead deposition of the plurality of showerheads.
2. 根据权利要求 1所述的多金属液态喷射沉积增材制造设备, 其特征在于, 所述 工作台 (4) 可沿 Z轴方向进行往复移动。 The multi-metal liquid jet deposition additive manufacturing apparatus according to claim 1, wherein the table (4) is reciprocally movable in the Z-axis direction.
3. 根据权利要求 1所述的多金属液态喷射沉积增材制造设备, 其特征在于, 所述 加热装置(1 )和喷头(8)可在驱动系统带动下同时沿 Z轴方向进行往复移动。 The multi-metal liquid jet deposition additive manufacturing apparatus according to claim 1, wherein the heating device (1) and the shower head (8) are reciprocally movable in the Z-axis direction while being driven by the drive system.
4. 根据权利要求 1所述的多金属液态喷射沉积增材制造设备, 其特征在于, 所述 多个喷头 (8) 的直径相同或不相同。 The multi-metal liquid jet deposition additive manufacturing apparatus according to claim 1, wherein the plurality of nozzles (8) have the same diameter or different diameters.
5. 根据权利要求 1所述的多金属液态喷射沉积增材制造设备, 其特征在于, 所述 多个喷头 (8) 均可以单独控制喷射速率。 The multi-metal liquid jet deposition additive manufacturing apparatus according to claim 1, characterized in that each of the plurality of heads (8) can individually control the injection rate.
6. 根据权利要求 1所述的多金属液态喷射沉积增材制造设备, 其特征在于, 所述 加热装置包括熔炼炉、 电炉、 坩埚炉、 感应加热装置和等离子加热装置中的一 个或多个。 The multi-metal liquid jet deposition additive manufacturing apparatus according to claim 1, wherein the heating device comprises one or more of a melting furnace, an electric furnace, a crucible furnace, an induction heating device, and a plasma heating device.
PCT/CN2012/087576 2012-12-26 2012-12-26 Material increase manufacturing apparatus through multi-metal liquid spray deposition WO2014101020A1 (en)

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CN108511238B (en) * 2018-05-28 2023-09-26 北京梦之墨科技有限公司 Membrane switch and method for preparing membrane switch
CN110732670A (en) * 2019-12-05 2020-01-31 安徽省春谷3D打印智能装备产业技术研究院有限公司 aluminum alloy multi-nozzle 3D printing device
CN110976874A (en) * 2019-12-10 2020-04-10 上海工程技术大学 Three-dimensional forming device of welding wire shower nozzle
CN113512695A (en) * 2021-06-25 2021-10-19 佛山峰合精密喷射成形科技有限公司 Preparation method and preparation device of bimetal composite wear-resistant part
CN113512695B (en) * 2021-06-25 2023-09-12 佛山峰合精密喷射成形科技有限公司 Preparation method and preparation device of bimetal composite wear-resistant part
CN114645240A (en) * 2022-03-23 2022-06-21 江苏金泰科精密科技有限公司 Preparation method of metallic nickel-aluminum composite strip for electronic industry
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