WO2012155350A1 - 无模铸造型芯成形机 - Google Patents

无模铸造型芯成形机 Download PDF

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Publication number
WO2012155350A1
WO2012155350A1 PCT/CN2011/074282 CN2011074282W WO2012155350A1 WO 2012155350 A1 WO2012155350 A1 WO 2012155350A1 CN 2011074282 W CN2011074282 W CN 2011074282W WO 2012155350 A1 WO2012155350 A1 WO 2012155350A1
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WO
WIPO (PCT)
Prior art keywords
motion system
axis motion
axis
forming machine
core forming
Prior art date
Application number
PCT/CN2011/074282
Other languages
English (en)
French (fr)
Inventor
单忠德
刘丰
王祥磊
侯明鹏
李希文
陈少凯
李柳
Original Assignee
机械科学研究总院先进制造技术研究中心
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 机械科学研究总院先进制造技术研究中心 filed Critical 机械科学研究总院先进制造技术研究中心
Publication of WO2012155350A1 publication Critical patent/WO2012155350A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/02Sand moulds or like moulds for shaped castings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C23/00Tools; Devices not mentioned before for moulding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/10Cores; Manufacture or installation of cores

Definitions

  • the present invention relates to the field of cross-cutting of special processing machine tools and mold manufacturing, and more particularly to a moldless casting core forming machine.
  • BACKGROUND OF THE INVENTION Conventional casting manufacturing processes have problems such as long manufacturing cycle, high production cost, and high resource consumption.
  • the non-molded CNC forming technology solves these problems.
  • the moldless casting CNC forming technology is a system integration of CAD technology, casting technology, numerical control technology, cutting technology, etc. It is a brand new rapid casting manufacturing technology.
  • the dieless casting molding machine using this technology can completely produce a casting sand mold of various shapes by processing the sand blank without using a mold, and provides a new carrier for solving the single-piece and small-batch production trial production of the casting.
  • the use of this equipment also shortens the production cycle and increases productivity, especially for large-sized, small-batch, and complex-shaped molds.
  • the existing moldless molding machine is composed of a main body portion containing a multi-axis (three-axis and above) motion system, a general-purpose or special-purpose sand cutting tool system and a sand discharging system, and a special control software matched with a sand cutting process.
  • An object of the present invention is to solve the above problems in the prior art and to provide a moldless casting core forming machine capable of preventing sand from entering the inside of a motion system.
  • the invention provides a moldless casting core forming machine, comprising a multi-axis motion system, the multi-axis motion system including an X-axis motion system, a Y-axis motion system and a Z-axis motion system; a cutting system, a cutting system and a multi-axis motion system Connection; drive system, driving multi-axis motion system movement; base part, multi-axis motion system is set above the base part.
  • the X-axis motion system includes a first X-axis motion system and a second X-axis motion system disposed in parallel, and the two ends of the Y-axis motion system are slidably coupled to the first X-axis motion system and the second X-axis motion system, respectively.
  • the Z-axis motion system is slidably coupled to the Y-axis motion system.
  • the X-axis motion system includes an X-axis moving beam and an X-axis slider slidably coupled with the X-axis moving beam
  • the Y-axis motion system includes a Y-axis moving beam
  • the Y-axis moving beam is fixedly coupled to the X-axis slider.
  • the Y-axis motion system further includes a Y-axis slider slidably coupled to the Y-axis moving beam
  • the Z-axis motion system includes a Z-axis motion vertical beam and a Z-axis slider slidably coupled to the Z-axis moving vertical beam, and the Y-axis slide
  • the block is fixedly connected to the Z-axis slider.
  • the moldless casting core forming machine further includes a support disposed on the base portion, and the X-axis motion system is disposed on the support.
  • the base portion includes a working platform and a base supporting the working platform, and the outer side of the working platform is provided with a sand falling groove and a sand guiding plate connected to the falling sand groove.
  • the drop-groove is disposed on both sides or around the working platform, and the guide-plate is inclined. Further, a sand-moving vehicle that is freely movable is disposed below the falling sand tank.
  • the cutting system includes a machining spindle disposed at a lower end of the Z-axis motion system and a cutting tool disposed at a lower end of the machining spindle.
  • the moldless casting core forming machine further comprises a sand blowing nozzle disposed at a lower end of the Z-axis motion system and located on one side or both sides of the main force.
  • the die casting core forming machine further includes a housing, the inside of the housing forming a closed cavity, and the multi-axis motion system, the cutting system and the driving system are all disposed in the cavity.
  • the dieless molding machine further includes a control system including a control rejection control panel, and the control rejection control panel is disposed on an outer side surface of the outer cover.
  • the moldless casting core forming machine of the present invention comprises a multi-axis motion system and a base portion, and the multi-axis motion system is disposed above the base portion. Most of the chips generated by the cutting will fall below the base portion, so that they will not fly into the multi-axis motion system, and will not cause malfunction, thereby improving the accuracy and service life of the moldless casting core forming machine. .
  • FIG. 1 is a schematic view showing the external structure of a moldless casting core forming machine according to the present invention
  • Fig. 2 is a schematic view showing the internal structure of a moldless casting core forming machine according to the present invention
  • 4 is a schematic structural view of an X-axis motion system of a moldless casting core forming machine according to the present invention
  • FIG. 5 is a structure of a Y-axis motion system of a moldless casting core forming machine according to the present invention.
  • the moldless casting core forming machine includes a multi-axis motion system 30 including an X-axis motion system 31, a Y-axis motion system 32, and a Z-axis motion system 33; a cutting system 80, cutting System 80 is coupled to multi-axis motion system 30; drive system 70 is operative to move multi-axis motion system 30; base portion 50; multi-axis motion system 30 is disposed above base portion 50. As shown in FIGS.
  • the moldless casting core forming machine in this embodiment is a three-axis motion system, that is, the multi-axis motion system 30 includes an X-axis motion system 31, a Y-axis motion system 32, and a Z-axis motion, respectively.
  • the drive system 70 drives the multi-axis motion system 30 to move, and finally drives the cutting system 80 coupled to the multi-axis motion system 30 to move and cut the blank to obtain casting sand patterns of various shapes.
  • a large amount of sand is generated, and most of the sand will fall below the base.
  • Providing the multi-axis motion system 30 above the base portion 50 prevents cutting sand from entering the interior of the multi-axis motion system 30.
  • the debris generated by the cutting can be effectively prevented from falling into the multi-axis motion system 30 to destroy the motion singularity of the multi-axis motion system 30, and on the other hand, the internal combustion of the multi-axis motion system 30 can be prevented from entering the sand. The failure, thereby improving the accuracy and service life of the moldless casting core forming machine.
  • a flexible dust cover is mounted on the X-axis motion system 31, the Y-axis motion system 32, and the Z-axis motion system 33 to completely enclose the body of the multi-axis motion system 30.
  • the moldless casting core forming machine further includes a housing 10 in which a closed cavity is formed, and a multi-axis motion system 30, a cutting system 80, and a drive system 70 are disposed in the cavity.
  • the outer cover 10 is disposed to enclose the multi-axis motion system 30, the cutting system 80, the drive system 70, and the base portion 50 in a closed cavity inside the outer cover 10.
  • a door body 11 is provided on the outer cover 10 for placing or removing the sand blank. When the sand blank is cut, the door body 11 is closed, and a completely enclosed space is formed inside the outer cover.
  • the moldless casting core forming machine further includes a control system 20 including a control reject 21 and a control panel 22, and the control reject 21 and the control panel 22 are both disposed outside the outer cover 10. On the surface.
  • the control system runs the special control software for the sand cutting process, and digitally controls the multi-axis motion system to complete the precision machining of the sand mold, so that the mold with high precision and good surface quality can be manufactured.
  • the control system 20 includes a control reject 21 and a control panel 22 that is disposed outside the housing 10 and is completely isolated from the processing space to prevent electrical faults caused by sand dust entering the interior thereof.
  • the X-axis motion system 31 includes a first X-axis motion system and a second X-axis motion system disposed in parallel, and the two ends of the Y-axis motion system 32 are respectively coupled to the first X-axis motion system and the second X-axis.
  • the motion system is slidably coupled and the Z-axis motion system 33 is slidably coupled to the Y-axis motion system 32.
  • the moldless molding machine further includes a holder 34 disposed on the base portion 50, and the X-axis motion system 31 is disposed on the holder 34.
  • the oppositely disposed first X-axis motion system and the second X-axis motion system form a dual X-axis motion system and are respectively bolted and mounted on two oppositely disposed supports 34.
  • the holder 34 is welded or cast by a steel plate combination and is fixedly disposed at the upper end of the base portion 50.
  • the cutting system 80 is disposed on the Z-axis motion system 33, and the Y-axis motion system 32 is slidable relative to the X-axis direction relative to the first X-axis motion system and the second X-axis motion system, and the Z-axis motion system It can slide relative to the Y-axis motion system in the Y-axis direction.
  • the cutting system 80 can be moved to a specified position within the cutting range so that the specified position can be cut.
  • the drive system 70 includes a plurality of servo motors that are coupled to the X-axis motion system 31, the Y-axis motion system 32, and the Z-axis motion system 33, respectively, and that respectively drive the motion of the motion systems.
  • the double X-axis motion system uses two servo motors to realize the synchronous driving of the double X-axis motion system through the control system, or the use of a servo motor to realize the dual X-axis motion system through the timing belt. Synchronous drive. As shown in FIGS.
  • the X-axis motion system 31 includes an X-axis moving beam 311 and an X-slider 312 slidably coupled to the X-axis moving beam 311, Y consists of a moving system 32 including a moving beam 321 and a Y-axis.
  • the moving beam 321 is fixedly coupled to the X-axis slider 312.
  • the Y-axis motion system 32 further includes a Y-axis slider 322 slidably coupled to the Y-axis moving beam 321 , the Z-axis motion system 33 including a Z-axis motion vertical beam 331 and a Z-axis slider 332 slidably coupled to the Z-axis motion vertical beam 331 .
  • the Y-axis slider 322 is fixedly coupled to the Z-axis slider 332.
  • the X-axis slide 312 is slidably coupled to the X-axis moving beam 311, and the X-axis moving beam 311 has a screw.
  • the servo motor connected to the X-axis motion system 311 drives the screw to rotate, and the screw rotates so that the X-axis slider 312 is along the X.
  • the shaft moving beam 311 moves back and forth.
  • the X-axis motion system 31 is coupled to the Y-axis motion system 32 by a threaded connection through the X-axis slider 312, so that the Y-axis motion beam 321 can be moved in the X-axis direction by the servo motor on the X-axis motion system. .
  • the Y-axis motion system 32 and the Z-axis motion system 33 are fixedly mounted by bolts passing through the Y-axis slider 322 and the Z-axis slider 332, and the Z-axis motion vertical beam can be made by the servo motor on the Y-axis motion system.
  • 331 moves in the Y-axis direction.
  • the X-axis moving beam 311 is a lightweight I-shaped cast aluminum beam, which reduces the weight of the device while ensuring the strength of the beam.
  • the Y-axis moving beam 321 is equipped with an I-shaped and V-shaped reinforcing rib structure to ensure sufficient rigidity on the basis of the lightweight of the beam. As shown in FIG.
  • the cutting system 80 includes a machining spindle 81 disposed at the lower end of the Z-axis motion system 33 and a cutting tool 82 disposed at the lower end of the machining spindle 81.
  • the machining spindle 81 is bolted to the lower end of the Z-axis motion system 33, and the cutting tool 82 is fixedly mounted at the lower end of the machining spindle 81.
  • the machining spindle 81 is quickly positioned by the Z-axis motion system 33.
  • the machining spindle 81 is an electric spindle, and the cutting tool 82 fixed at the lower end thereof can be driven to rotate at a high speed to realize cutting of the workpiece or the blank. As shown in FIG.
  • the moldless casting core forming machine further includes a sand blowing nozzle 90 which is disposed at the lower end of the Z-axis motion system 33 and which is located on one side or both sides of the machining spindle 81.
  • the blow-squeezing 90 is fixed to the lower end of the Z-axis motion system 33, and is disposed on the same end surface as the machining spindle 81, and the blow-nozzle 90 is one or a plurality.
  • two blower-nozzles 90 are provided and fixed to both sides of the shaft end of the machining spindle 81.
  • the base portion 50 includes a work platform 51 and a base 52 supporting the work platform 51.
  • the outer side of the work platform 51 is provided with a drop-groove 60 and a guide-plate connected to the drop-groove 60.
  • the grooves and grooves 60 are disposed on both sides or around the working platform 51, and the guide plates are inclined.
  • the base 52 is welded by the I-beam and the rectangular steel to meet the requirements of the machine tool and realize the lightweight design and cost saving.
  • the working platform 51 is fixedly mounted on the base 52 by bolts.
  • the two sides of the working platform 51 are provided with a sand dropping groove 60.
  • the edge of the falling sand groove 60 is fixedly connected with a downwardly extending sand guiding plate, and the sand guiding plate is inclined downward. Together, an inverted triangular shaped sand guide channel is formed.
  • the sand generated by the blank cutting process falls into the falling sand groove 60, and the sand guiding passage formed along the sand guiding plate falls below the working platform.
  • the inclined sand guide plate allows sand to slide down the sand guide to prevent sand debris from scattering.
  • a freely movable sand discharging vehicle 40 is disposed below the falling sand groove 60.
  • the sand discharging vehicle 40 is a corresponding car disposed below the falling sand groove 60, and has a handle provided at one end and wheels provided below.
  • the sand-discharging vehicle 40 is below the sand guiding channel, and the sand debris falls along the sand guiding channel and finally falls into the sand-discharging vehicle.
  • the trolley can be pulled out and the sand particles inside it can be poured out to facilitate the removal of the sand chips, which avoids the sand falling directly on the ground of the processing site and optimizes the environment of the processing site.
  • a positioning portion such as a raised limiting block, is provided on the side of the outer cover 10 such that the row-vehicle is located below the drop-groove 60.
  • the processing process of the moldless casting core forming machine is described as follows: Turn on the power, open the automatic door, place the sand mold on the working platform 51, and call up the special force mouth program on the control panel 22, the double X-axis motion system and The ⁇ and ⁇ axis motion systems form a gantry type three-axis motion system. After the servo motor 70 is energized, the X-axis motion system 31, the cymbal motion system 32, and the cymbal motion system 33 are driven to perform positioning and cutting at high speed separately or simultaneously.
  • a machining spindle 81 and a blow molding nozzle 90 are mounted on the cymbal movement system 33, and the spur spindle 81 drives the cutting tool 82 to rotate, and the workpiece is rotated.
  • the sand blank is cut.
  • the sand blowing nozzle 90 is connected to the external air pump air supply device, and the air blowing method is used to eliminate the sand chips cut during the sand processing.
  • the falling sand groove 60 is disposed on both sides of the working platform 51, and the sand wasteted sand can enter the sand discharging vehicle 40 along the falling sand groove 60, and the sand discharging vehicle 40 is placed under the falling sand groove 60, and can move freely, Waste - clear out.
  • the control rejection 21 is mounted on one side of the X-axis motion system 31, and is completely isolated from the machining space to prevent the cutting dust from entering the electrical exhaustor.
  • the outer cover 10 and the automatic door are combined into a fully enclosed space, and the outer cover 10 allows the processing to be carried out in a completely closed environment.
  • the cutting sand dust is completely blocked inside the device, which does not cause pollution of the shop sand dust and improves the working environment of the worker.
  • the XYZ axis motion system is all located above the cutting work platform, and most of the cutting sand does not fly into the motion system of the equipment and cause malfunction, which improves the accuracy and service life of the machine.
  • the multi-axis motion system of the present invention is disposed above the base portion, and most of the chips generated by the cutting will fall to the end. Below the seat, it does not scatter into the multi-axis motion system, which will not cause malfunction, thus improving the accuracy and service life of the die-casting core forming machine.
  • 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 scope of the present invention are intended to be included within the scope of the present invention.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Casting Devices For Molds (AREA)

Description

无模铸造型芯成形机 技术领域 本发明涉及特种加工机床和铸型制造的交叉技术领域, 更具体地, 涉及一 种无模铸造型芯成形机。 背景技术 传统铸件制造工艺存在制造周期长、 生产成本高、 资源消耗大等问题, 无 模铸型数控加工成形技术解决了这些问题。 无模铸型数控加工成形技术是 CAD 技术、 铸造技术、 数控技术、 切削技 术等技术的系统集成, 是一种全新的快速铸型制造技术。 釆用该技术的无模铸 造成形机可以完全不用模具, 通过对砂坯进行加工制造出各种形状的铸件砂 型, 为解决铸件的单件、 小批量的生产试制提供了新的载体。 使用该设备还可 以缩短生产周期、 提高生产率, 尤其适用于大件、 小批量、 形状复杂的铸型加 工。 现有的无模铸型成形机由含有多轴 (三轴及以上)运动系统、 通用或专用 砂型切削刀具系统及排砂系统的主体部分和与砂型切削工艺相配套的专用控 制软件组成, 该设备的 X轴运动系统置于加工工作平台下方, 设备切削产生的 小部分砂屑无法被挡板遮挡并容易进入运动系统内部, 从而导致故障停机, 降 氐机床使用寿命。 另外, 该成形机 -尘污染严重, 工人的工作环境恶劣。 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, 提供一种能够防止砂屑 进入运动系统内部的无模铸造型芯成形机。 发明提供了一种无模铸造型芯成形机, 包括多轴运动系统, 多轴运动系统 包括 X轴运动系统、 Y轴运动系统和 Z轴运动系统; 切削系统, 切削系统与多 轴运动系统相连接; 驱动系统, 带动多轴运动系统运动; 底座部, 多轴运动系 统设置在底座部的上方。 进一步地, X轴运动系统包括平行设置的第一 X轴运动系统和第二 X轴 运动系统, Y轴运动系统的两端分别与第一 X轴运动系统和第二 X轴运动系 统可滑动地连接, Z轴运动系统与 Y轴运动系统可滑动地连接。 进一步地, X轴运动系统包括 X轴运动横梁和与 X轴运动横梁滑动连接 的 X轴滑块, Y轴运动系统包括 Y轴运动横梁, Y轴运动横梁与 X轴滑块固 定连接。 进一步地, Y轴运动系统还包括与 Y轴运动横梁滑动连接的 Y轴滑块, Z 轴运动系统包括 Z轴运动竖梁和与 Z轴运动竖梁滑动连接的 Z轴滑块, Y轴滑 块与 Z轴滑块固定连接。 进一步地, 无模铸造型芯成形机还包括设置在底座部上的支座, X轴运动 系统设置在支座上。 进一步地, 底座部包括工作平台和支撑工作平台的底座, 工作平台的外侧 设置有落砂槽以及与落砂槽相连接的导砂板。 进一步地, 落 -槽设置于工作平台的两侧或者四周, 导 -板倾斜设置。 进一步地, 落砂槽下方设置有可自由移动的排砂车。 进一步地, 切削系统包括设置在 Z轴运动系统下端的加工主轴和设置在加 工主轴下端的切削刀具。 进一步地, 无模铸造型芯成形机还包括吹砂喷嘴, 吹砂喷嘴设置在 Z轴运 动系统的下端, 并位于力口工主 由的一侧或两侧。 进一步地, 无模铸造型芯成形机还包括外罩, 外罩内部形成封闭的空腔, 多轴运动系统、 切削系统和驱动系统均设置在空腔中。 进一步地, 无模铸型成形机还包括控制系统, 控制系统包括控制拒和控制 面板, 控制拒和控制面板均设置在外罩的外侧面上。 釆用本发明的无模铸造型芯成形机, 包括多轴运动系统和底座部, 多轴运 动系统设置在底座部的上方。 切削产生的 -屑中的绝大部分会下落到底座部下 方, 因而不会飞散到多轴运动系统内部, 也就不会引起故障, 从而提高了无模 铸造型芯成形机的精度和使用寿命。 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是根据本发明的无模铸造型芯成形机的外部结构示意图; 图 2是根据本发明的无模铸造型芯成形机的内部结构示意图; 图 3是图 2中 I处的局部放大图; 图 4是根据本发明的无模铸造型芯成形机的 X轴运动系统的结构示意图; 图 5是根据本发明的无模铸造型芯成形机的 Y轴运动系统的结构示意图; 图 6是根据本发明的无模铸造型芯成形机的 Z轴运动系统的结构示意图。 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。 才艮据本发明的无模铸造型芯成形机, 包括多轴运动系统 30, 多轴运动系统 30包括 X轴运动系统 31、 Y轴运动系统 32和 Z轴运动系统 33; 切削系统 80, 切削系统 80与多轴运动系统 30相连接; 驱动系统 70, 带动多轴运动系统 30 运动; 底座部 50; 多轴运动系统 30设置在底座部 50的上方。 如图 1和图 2所示, 本实施例中的无模铸造型芯成形机为三轴运动系统, 即多轴运动系统 30分别包括 X轴运动系统 31、 Y轴运动系统 32和 Z轴运动 系统 33。 驱动系统 70带动多轴运动系统 30运动, 并最终带动与多轴运动系统 30相连接的切削系统 80运动并对 -坯进行切削加工, 以得到各种形状的铸件 砂型。 在切削过程中, 会产生大量砂屑, 砂屑中的绝大部分会下落到底座部下 方。 将多轴运动系统 30设置在底座部 50的上方, 可以防止切削砂屑进入到多 轴运动系统 30 的内部。 这样, 一方面可以有效防止切削产生的 -屑向下落入 多轴运动系统 30中而破坏多轴运动系统 30的运动 ^奇度, 另一方面可以防止多 轴运动系统 30 内部进入砂屑而引起故障, 从而提高了无模铸造型芯成形机的 精度和使用寿命。 为了进一步防止砂屑进入多轴运动系统 30 , 在 X轴运动系统 31、 Y轴运 动系统 32和 Z轴运动系统 33上都安装柔性防尘罩, 完全将多轴运动系统 30 的主体包裹在内, 可以有效防止废砂和灰尘的进入, 进一步提高无模铸造型芯 成形机的精度和使用寿命。 如图 1所示, 无模铸造型芯成形机还包括外罩 10, 外罩 10内部形成封闭 的空腔, 多轴运动系统 30、 切削系统 80和驱动系统 70均设置在空腔中。 设置外罩 10, 将多轴运动系统 30、 切削系统 80、 驱动系统 70以及底座部 50等部件包围在外罩 10 内部的封闭的空腔内。 外罩 10上设置门体 11 , 用于 放置或取出砂坯。 在对砂坯进行切削加工时, 门体 11 闭合, 外罩内部形成全 封闭的空间。 外罩 10釆用封闭形式, 使得加工过程在完全封闭的环境下进行, 切削加工过程中产生的砂屑全部被阻隔在无模铸型成形机的内部, 因而不会造 成车间 -屑粉尘的污染, 改善了工人的工作环境。 优选地, 门体 11为自动门。 如图 1所示, 优选地, 无模铸造型芯成形机还包括控制系统 20 , 控制系统 20包括控制拒 21和控制面板 22, 控制拒 21和控制面板 22均设置在外罩 10 的外 4则面上。 控制系统运行砂型切削工艺相配套的专用控制软件, 并对多轴运动系统进 行数字化控制, 完成对砂型的精密加工, 从而可以制造出高精度、 表面质量好 的铸型。 控制系统 20包括控制拒 21和控制面板 22, 将控制拒 21和控制面板 22设置在外罩 10的外侧, 与加工空间完全隔绝, 从而可以防止砂屑粉尘进入 其内部而导致的电器故障。 如图 2所示, X轴运动系统 31 包括平行设置的第一 X轴运动系统和第二 X轴运动系统, Y轴运动系统 32的两端分别与第一 X轴运动系统和第二 X轴 运动系统可滑动地连接, Z轴运动系统 33与 Y轴运动系统 32可滑动地连接。 优选地, 无模铸型成形机还包括设置在底座部 50上的支座 34, X轴运动系统 31设置在支座 34上。 相对设置的第一 X轴运动系统和第二 X轴运动系统组成双 X轴运动系统, 并分别釆用螺栓固定安装在两个相对设置的支座 34上。 支座 34通过钢板组合 焊接而成或者铸造而成, 并固定设置在底座部 50 上端。 在本实施例中, 切削 系统 80设置在 Z轴运动系统 33上, Y轴运动系统 32可相对第一 X轴运动系 统和第二 X轴运动系统故相对 X轴方向的滑动, Z轴运动系统可相对 Y轴运 动系统沿 Y轴方向做相对滑动。 这样的设置, 使得设置在 Z运动系统 33上的 切削系统 80 可以运动到切削范围内的指定位置, 从而可以对此指定位置进行 切削。 在本实施例中,驱动系统 70包括多个伺月艮电机,分别与 X轴运动系统 31、 Y轴运动系统 32和 Z轴运动系统 33相连接并分别带动这几个运动系统运动。 其中, 双 X轴运动系统釆用两个伺月艮电机通过控制系统实现对双 X轴运动系 统的同步驱动,或者釆用一个伺月艮电机通过同步带的带动实现对双 X轴运动系 统的同步驱动。 如图 4至图 6所示, X轴运动系统 31包括 X轴运动横梁 311和与 X轴运 动横梁 311滑动连接的 X 由滑块 312, Y 由运动系统 32包括 Y 由运动横梁 321 , Y轴运动横梁 321与 X轴滑块 312固定连接。 Y轴运动系统 32还包括与 Y轴 运动横梁 321滑动连接的 Y轴滑块 322, Z轴运动系统 33 包括 Z轴运动竖梁 331和与 Z轴运动竖梁 331滑动连接的 Z轴滑块 332, Y轴滑块 322与 Z轴滑 块 332固定连接。
X轴滑块 312与 X轴运动横梁 311滑动连接, X轴运动横梁 311上具有丝 杠, 与 X轴运动系统 311连接的伺服电机带动丝杠转动, 丝杠转动使得 X轴 滑块 312沿 X轴运动横梁 311前后移动。 X轴运动系统 31通过 X轴滑块 312 与 Y轴运动系统 32釆用螺紋联接方式连接在一起, 从而通过 X轴运动系统上 的伺月艮电机可以使得 Y轴运动横梁 321沿 X轴方向运动。 同样, Y轴运动系 统 32与 Z轴运动系统 33通过穿过 Y轴滑块 322和 Z轴滑块 332的螺栓固定 安装在一起,可以通过 Y轴运动系统上的伺服电机使得 Z轴运动竖梁 331沿 Y 轴方向运动。 本实施例中, X轴运动横梁 311为轻量化的工字型铸铝梁, 在保证横梁强 度的同时, 减轻了设备重量。 Y轴运动横梁 321釆用工字型加 V型加强肋板结 构, 在横梁轻量化基础上保证其足够的刚度。 如图 3所示,切削系统 80包括设置在 Z轴运动系统 33下端的加工主轴 81 和设置在加工主轴 81下端的切削刀具 82。 加工主轴 81釆用螺栓固定安装在 Z轴运动系统 33下端, 切削刀具 82 固 定安装在加工主轴 81的下端, 加工主轴 81在 Z轴运动系统 33的带动下实现 快速定位。 本实施例中, 加工主轴 81 为电主轴, 可以带动固定在其下端的切 削刀具 82高速旋转, 实现对工件或 -坯的切削加工。 如图 3所示, 无模铸造型芯成形机还包括吹砂喷嘴 90, 吹砂喷嘴 90设置 在 Z轴运动系统 33的下端, 并位于加工主轴 81的一侧或两侧。 吹 -喷觜 90 固定在 Z轴运动系统 33的下端, 并与加工主轴 81设置在同 一端面上, 吹 -喷嘴 90为一个或为多个。 本实施例中, 设置两个吹 -喷嘴 90, 并将其固定在加工主轴 81 的轴端的两侧。 当加工主轴 81在 Z轴运动系统 33 的带动下运动到待加工位置时, 吹 -喷觜 90也随 Z轴运动系统 33同步运动到 该位置, 并在切削刀具 82 对 -坯进行加工时将产生的 -屑吹离加工位置, 有 利于对 -坯的加工。 如图 2所示, 底座部 50包括工作平台 51和支撑工作平台 51的底座 52, 工作平台 51的外侧设置有落 -槽 60以及与落 -槽 60相连接的导 -板。 优选 地, 落 、槽 60设置于工作平台 51的两侧或者四周, 导 、板倾斜设置。 在本实施例中, 底座 52 为工字钢和矩形钢焊接而成, 满足机床使用要求 的同时实现了轻量化设计, 节约成本。 工作平台 51用螺栓固定安装在底座 52 上, 工作平台 51的两侧设置有落沙槽 60, 落沙槽 60的边缘固定连接有向下延 伸的导砂板, 导砂板向下倾斜设置, 共同形成倒三角形状的导砂通道。 对砂坯 切削加工产生的砂屑落入落砂槽 60 中, 并沿导砂板形成的导砂通道落到工作 平台以下。 倾斜设置的导砂板使得砂屑能够沿导砂板滑下, 防止砂屑的飞散。 优选地, 落砂槽 60下方设置有可自由移动的排砂车 40。 如图 1和图 2所示, 排砂车 40为对应设置在落沙槽 60下方的小车, 其一 端设置有把手, 下方设置有轮子。 排砂车 40 在导砂通道的下方, 砂屑沿导砂 通道下落最终落入排砂车内。 在加工结束时, 可以拉出小车, 将其内部的砂屑 倒出, 方便砂屑的运出, 避免了砂屑直接落到加工场所的地面上, 优化了加工 场所的环境。 为了准确的对排砂车进行定位, 在外罩 10的侧面上设置定位部, 如凸起的限位块, 使得排 -车位于落 -槽 60下方。 该无模铸造型芯成形机的加工过程描述如下: 接通电源, 打开自动门, 将砂型放置在工作平台 51上, 在控制面板 22上 调出专用力口工程序, 双 X轴运动系统与 Υ、 Ζ轴运动系统构成龙门式三轴运动 系统。 伺月艮电机 70得电后, 驱动 X轴运动系统 31、 Υ轴运动系统 32、 Ζ轴运 动系统 33单独或同时高速运动进行定位和切削加工。在 Ζ轴运动系统 33上安 装有加工主轴 81和吹石少喷嘴 90, 力口工主轴 81带动切削刀具 82旋转, 对工件 砂坯进行切削加工。 吹砂喷嘴 90 连接外部气泵供气装置, 釆用吹气方式排除 砂型加工过程中切削掉的砂屑。 工作平台 51的两侧设置有落砂槽 60, 砂型切 削掉的废砂可沿落砂槽 60进入排砂车 40中,排砂车 40置于落砂槽 60的下方, 可以自由移动, 将废 -清除出去。 控制拒 21安装在 X轴运动系统 31的一侧, 与加工空间完全隔绝, 防止切削砂屑粉尘进入其中导致电器故障。 外罩 10 与 自动门组合成全封闭空间, 外罩 10 使得加工过程在完全封闭的环境下进行, 切削砂屑粉尘全部阻隔在设备内部, 不会造成车间砂屑粉尘的污染, 改善了工 人的工作环境。 XYZ轴运动系统全部位于切削加工工作平台上方, 切削砂屑绝 大部分不会飞散到设备运动系统内部而引起故障, 从而使机床的精度和使用寿 命得以提高。 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: 本发明的多轴运动系统设置在底座部的上方, 由于切削产生的 -屑中的绝 大部分会下落到底座部下方, 因而不会飞散到多轴运动系统内部, 也就不会引 起故障, 从而提高了无模铸造型芯成形机的精度和使用寿命。 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 ^"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。

Claims

权 利 要 求 书 一种无模铸造型芯成形机, 包括:
多轴运动系统 ( 30 ), 所述多轴运动系统 ( 30 ) 包括 X轴运动系统 (31)、 Y 由运动系统 ( 32 ) 和 Z 由运动系统 ( 33 );
切削系统( 80 ), 所述切削系统( 80 )与所述多轴运动系统( 30 )相 连接;
驱动系统 ( 70 ), 带动所述多轴运动系统 ( 30 )运动;
底座部 (50);
其特征在于, 所述多轴运动系统 (30)设置在所述底座部 (50) 的 上方。 才艮据权利要求 1所述的无模铸造型芯成形机, 其特征在于, 所述 X轴运 动系统 (31) 包括平行设置的第一 X轴运动系统和第二 X轴运动系统 , 所述 Y轴运动系统( 32 )的两端分别与所述第一 X轴运动系统和所述第 二 X轴运动系统可滑动地连接, 所述 Z轴运动系统( 33 )与所述 Y轴运 动系统 (32) 可滑动地连接。 才艮据权利要求 2所述的无模铸造型芯成形机, 其特征在于, 所述 X轴运 动系统 (31) 包括 X轴运动横梁 (311) 和与所述 X轴运动横梁 (311) 滑动连接的 X轴滑块 ( 312 ), 所述 Y轴运动系统 ( 32 ) 包括 Y轴运动 横梁(321), 所述 Y轴运动横梁(321) 与所述 X轴滑块(312) 固定连 接。 才艮据权利要求 2所述的无模铸造型芯成形机, 其特征在于, 所述 Y轴运 动系统 ( 32 ) 还包括与所述 Y轴运动横梁 ( 321 ) 滑动连接的 Y轴滑块 ( 322 ), 所述 Z轴运动系统( 33 ) 包括 Z轴运动竖梁(331)和与所述 Z 轴运动竖梁 ( 331 ) 滑动连接的 Z轴滑块 ( 332 ), 所述 Y轴滑块 ( 322 ) 与所述 Z轴滑块 (332 ) 固定连接。 根据权利要求 1所述的无模铸造型芯成形机, 其特征在于, 还包括设置 在所述底座部 (50) 上的支座 (34), 所述 X轴运动系统 (31)设置在 所述支座 (34) 上。
6. 居权利要求 1所述的无模铸造型芯成形机, 其特征在于, 所述底座部
(50) 包括工作平台 (51)和支撑所述工作平台 (51) 的底座(52), 所 述工作平台 (51) 的外侧设置有落石少槽 (60) 以及与所述落石少槽 (60) 相连接的导 -板。
7. 根据权利要求 6所述的无模铸造型芯成形机, 其特征在于, 所述落砂槽
(60)设置于所述工作平台 (51) 的两侧或者四周, 所述导 -板倾斜设 置。
8. 根据权利要求 6所述的无模铸造型芯成形机, 其特征在于, 所述落砂槽
(60) 下方设置有可自由移动的 少车 (40)。
9. 根据权利要求 1所述的无模铸造型芯成形机, 其特征在于, 所述切削系 统 (80) 包括设置在所述 Ζ轴运动系统 (33) 下端的加工主轴 (81) 和 设置在所述加工主轴 (81) 下端的切削刀具 (82)。
10. 根据权利要求 9所述的无模铸造型芯成形机, 其特征在于, 还包括吹砂 喷嘴 (90), 所述吹砂喷嘴 (90)设置在所述 Ζ 轴运动系统 (33) 的下 端, 并位于所述加工主轴 (81) 的一侧或两侧。
11. 根据权利要求 1至 10中任一项所述的无模铸造型芯成形机,其特征在于, 还包括外罩( 10), 所述外罩( 10) 内部形成封闭的空腔, 所述多轴运动 系统( 30 )、 所述切削系统( 80 )和所述驱动系统( 70 )均设置在所述空 腔中。
12. 根据权利要求 11所述的无模铸造型芯成形机, 其特征在于, 还包括控制 系统 ( 20 ), 所述控制系统 ( 20 ) 包括控制拒 ( 21 ) 和控制面板 ( 22 ), 所述控制拒 (21) 和所述控制面板 (22) 均设置在所述外罩 ( 10) 的外 侧面上。
PCT/CN2011/074282 2011-05-16 2011-05-18 无模铸造型芯成形机 WO2012155350A1 (zh)

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