CN203003611U - Abrasive flow spewing-typed buffing device based on tool navigation - Google Patents

Abrasive flow spewing-typed buffing device based on tool navigation Download PDF

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CN203003611U
CN203003611U CN 201220690971 CN201220690971U CN203003611U CN 203003611 U CN203003611 U CN 203003611U CN 201220690971 CN201220690971 CN 201220690971 CN 201220690971 U CN201220690971 U CN 201220690971U CN 203003611 U CN203003611 U CN 203003611U
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abrasive flow
polishing
abrasive
device based
housing
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孙树峰
王萍萍
吴鑫
林森
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Wenzhou University
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孙树峰
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Abstract

本实用新型提供了一种基于工具导向的磨粒流喷涌式抛光装置,包括抛光导向工具、主轴机构和磨粒流机构;所述抛光导向工具包括一顶端开口、底端呈半球形的空心管道,所述空心管道的底端设置有若干个均匀分布的微细槽;所述主轴机构包括壳体,以及安装在壳体内的空心主轴、轴套、转子、定子和轴承;所述磨粒流机构包括箱体、搅拌器、磨屑吸附器、泵、单向调压阀、回收箱和管道。本实用新型所述的抛光导向工具不接触工件,磨粒流由抛光导向工具内部经过球头上的狭缝喷涌而出,通过磨粒流对模具自由曲面抛光,因为磨粒流抛光的仿型性能好,因而不受曲面曲率变化的影响。具有结构简单,抛光自动化程度高,抛光质量高且稳定等优点。

Figure 201220690971

The utility model provides a tool-guided abrasive flow gushing polishing device, which includes a polishing guide tool, a spindle mechanism and an abrasive flow mechanism; the polishing guide tool includes a hollow pipe with an open top and a hemispherical bottom , the bottom end of the hollow pipe is provided with several uniformly distributed fine grooves; the main shaft mechanism includes a housing, and a hollow main shaft, a shaft sleeve, a rotor, a stator and a bearing installed in the housing; the abrasive flow mechanism Including tank, agitator, dust absorber, pump, one-way pressure regulating valve, recovery tank and piping. The polishing guide tool described in the utility model does not touch the workpiece, and the abrasive flow is spewed out from the inside of the polishing guide tool through the slit on the ball head, and the free-form surface of the mold is polished by the abrasive flow, because the polishing of the abrasive flow Good performance, so it is not affected by changes in the curvature of the surface. It has the advantages of simple structure, high degree of polishing automation, high and stable polishing quality and the like.

Figure 201220690971

Description

基于工具导向的磨粒流喷涌式抛光装置Abrasive jet spout polishing device based on tool guidance

技术领域technical field

本实用新型属于模具抛光领域,具体涉及一种基于工具导向的磨粒流喷涌式抛光装置。The utility model belongs to the field of mold polishing, in particular to a tool-guided abrasive grain flow gushing type polishing device.

背景技术Background technique

随着用户对模具成型产品(如手机壳、车灯和家电外壳等)的表面质量要求越来越高,模具制造企业必须进一步提高模具型腔的表面质量以满足人们的需要,这是因为模具成型产品的表面质量主要取决于模具型腔的表面质量。提高模具型腔表面质量不仅使工件更美观,而且能够增强耐腐蚀性和耐磨性,使成型制品易于脱模,降低了由于局部过载而产生裂纹和脱落的危险等。模具型腔以自由曲面居多,为了获得镜面级模具型腔表面,后续的光整加工(主要是抛光)成为必不可少的重要工艺,目前模具自由曲面抛光主要由手工操作完成,不仅效率低(用时约占整个模具制造时间的40%-50%),劳动强度大,而且难于保证形面精度和稳定的抛光品质。鉴于手工抛光方式效率低、质量低和成本高等方面的缺点,研究针对模具自由曲面的高效、高表面质量自动化抛光方法及装置对于提高模具制造效率和质量具有重要的意义。As users have higher and higher requirements for the surface quality of molded products (such as mobile phone shells, car lights, and home appliance shells, etc.), mold manufacturers must further improve the surface quality of mold cavities to meet people's needs. This is because the mold The surface quality of molded products mainly depends on the surface quality of the mold cavity. Improving the surface quality of the mold cavity not only makes the workpiece more beautiful, but also enhances the corrosion resistance and wear resistance, makes the molded product easy to demould, and reduces the risk of cracks and shedding due to local overload. Most mold cavities are free-form surfaces. In order to obtain mirror-level mold cavity surfaces, subsequent finishing (mainly polishing) has become an essential and important process. At present, mold free-form surface polishing is mainly done by hand, which is not only inefficient ( It takes about 40%-50% of the entire mold manufacturing time), labor-intensive, and it is difficult to ensure surface accuracy and stable polishing quality. In view of the shortcomings of manual polishing, such as low efficiency, low quality and high cost, it is of great significance to study efficient and high-quality automatic polishing methods and devices for mold free-form surfaces to improve mold manufacturing efficiency and quality.

国内外研究人员研究了很多抛光方法和装置,如机械抛光方法及装置:主要采用抛光轮、抛光轴和抛光砂轮等进行抛光,磁流变抛光方法及装置:主要采用磁流变液流经模具曲面进行抛光,另外还有气囊抛光、超声抛光、超声波-电化学(电解)抛光、电化学(电解)抛光,电化学(电解)-机械复合抛光,磁力-电解机械复合抛光等。在这些方法及装置中,有的可用于模具自由曲面抛光,但也存在自动化程度低,需要人工辅助完成,效率低、劳动强度大、难于保证形面精度和稳定的抛光品质等缺陷;而另外一些方法及装置由于设备比较复杂、对环境有污染、液体流向不易控制等因素,都没有在模具自由曲面抛光中得到很好应用。Researchers at home and abroad have studied many polishing methods and devices, such as mechanical polishing methods and devices: mainly using polishing wheels, polishing shafts and polishing wheels for polishing, magnetorheological polishing methods and devices: mainly using magnetorheological fluid to flow through the mold Surface polishing, in addition to airbag polishing, ultrasonic polishing, ultrasonic-electrochemical (electrolytic) polishing, electrochemical (electrolytic) polishing, electrochemical (electrolytic)-mechanical composite polishing, magnetic-electrolytic mechanical composite polishing, etc. Among these methods and devices, some can be used for mold free-form surface polishing, but there are also defects such as low degree of automation, need for manual assistance, low efficiency, high labor intensity, difficulty in ensuring surface accuracy and stable polishing quality; and others Some methods and devices have not been well applied in the free-form surface polishing of molds due to factors such as relatively complicated equipment, pollution to the environment, and difficulty in controlling the flow of liquid.

实用新型内容Utility model content

本实用新型针对上述现有技术的不足,提供了一种自动化程度高、效率高、成本低的基于工具导向的磨粒流喷涌式抛光装置。The utility model aims at the deficiencies of the above-mentioned prior art, and provides a tool-guided abrasive flow spouting polishing device with high degree of automation, high efficiency and low cost.

本实用新型是通过如下技术方案实现的:The utility model is achieved through the following technical solutions:

一种基于工具导向的磨粒流喷涌式抛光装置,包括抛光导向工具、主轴机构和磨粒流机构;A tool-guided abrasive flow gushing polishing device, comprising a polishing guide tool, a spindle mechanism and an abrasive flow mechanism;

所述抛光导向工具包括一顶端开口、底端呈半球形的空心管道,所述空心管道的底端设置有若干个均匀分布的微细槽;The polishing guide tool includes a hollow pipe with an open top and a hemispherical bottom, and a number of evenly distributed fine grooves are arranged at the bottom of the hollow pipe;

所述主轴机构包括壳体,以及安装在壳体内的空心主轴、轴套、转子、定子和轴承;所述壳体与多轴联动数控机床相连,所述空心主轴与抛光导向工具的空心管道连通;所述轴套安装在空心主轴的外圆柱面中间部分,所述轴承安装在空心主轴的外圆柱面两端部分,所述转子安装在轴套上,所述定子安装在壳体上。The main shaft mechanism includes a housing, and a hollow main shaft installed in the housing, a shaft sleeve, a rotor, a stator and a bearing; the housing is connected with a multi-axis linkage CNC machine tool, and the hollow main shaft communicates with a hollow pipe of a polishing guide tool The shaft sleeve is installed on the middle part of the outer cylindrical surface of the hollow main shaft, the bearings are installed on both ends of the outer cylindrical surface of the hollow main shaft, the rotor is installed on the shaft sleeve, and the stator is installed on the shell.

所述磨粒流机构包括箱体、搅拌器、磨屑吸附器、泵、单向调压阀、回收箱和连接管道;回收箱、箱体、泵和单向调压阀通过连接管道依次连通构成磨粒流流道;所述搅拌器和磨屑吸附器均设置在箱体内;所述磨粒流流道的末端与主轴机构的空心主轴连通。The abrasive particle flow mechanism includes a box body, an agitator, a wear debris adsorber, a pump, a one-way pressure regulating valve, a recovery box and a connecting pipeline; the recovery box, the box body, the pump and the one-way pressure regulating valve are connected in sequence through the connecting pipeline An abrasive particle flow channel is formed; the agitator and the abrasive particle adsorber are both arranged in the box; the end of the abrasive particle flow channel communicates with the hollow main shaft of the main shaft mechanism.

本实用新型的优选设置为:主轴机构中的空心主轴与抛光导向工具中的空心管道通过螺栓连接。The preferred setting of the utility model is: the hollow main shaft in the main shaft mechanism is connected with the hollow pipe in the polishing guide tool through bolts.

本实用新型的优选设置为:空心主轴与空心管道的连接处设置有O型密封圈。The preferred setting of the utility model is: an O-shaped sealing ring is arranged at the joint between the hollow main shaft and the hollow pipe.

本实用新型的优选设置为:所述壳体的上下两端均设置有一端盖,所述端盖通过螺栓与壳体连接。The preferred setting of the utility model is that: the upper and lower ends of the housing are provided with an end cover, and the end cover is connected with the housing through bolts.

本实用新型的优选设置为:所述箱体呈圆台形结构。The preferred setting of the utility model is that: the box is in the shape of a truncated cone.

本实用新型的优选设置为:所述搅拌器为四齿向上倾斜结构的搅拌器。The preferred setting of the present utility model is that: the agitator is an agitator with a four-tooth upward-inclining structure.

本实用新型的优选设置为:所述磨屑吸附器包括外壳,以及设置在外壳内的螺旋形线圈和铁芯。The preferred setting of the present utility model is that: the wear dust absorber includes a shell, and a helical coil and an iron core arranged in the shell.

本实用新型的优选设置为:所述箱体的底部设置有一堵头。The preferred setting of the utility model is that: the bottom of the box body is provided with a plug.

本实用新型所述的基于工具导向的磨粒流喷涌式抛光装置,在抛光过程中,磨粒流充满空心管道,并通过下端的微细槽喷涌而出,抛光导向工具随着空心主轴的旋转而高速旋转,带动从微细槽中喷涌而出的磨粒流沿着半球形表面切向运动,形成高速旋转的磨粒场,抛光导向工具半球形表面始终与被抛光模具自由曲面保持一定间距,磨粒场中的微细磨粒高速旋转撞击模具自由曲面上的微纳凸起,在微细磨粒的微力、微量磨削作用下,使模具自由曲面逐步光整,获得镜面级表面光洁度。In the tool-guided abrasive flow spouting polishing device described in the utility model, during the polishing process, the abrasive flow fills the hollow pipe and spews out through the fine grooves at the lower end, and the polishing guide tool rotates with the hollow main shaft. The high-speed rotation drives the abrasive particle flow gushing out from the fine groove to move tangentially along the hemispherical surface to form a high-speed rotating abrasive field. The hemispherical surface of the polishing guide tool always maintains a certain distance from the free-form surface of the mold to be polished. The fine abrasive particles in the grain field rotate at high speed and hit the micro-nano protrusions on the free surface of the mold. Under the action of micro force and micro grinding of the fine abrasive particles, the free curved surface of the mold is gradually smoothed to obtain a mirror-level surface finish.

本实用新型所述的抛光导向工具不接触工件,磨粒流由抛光导向工具内部经过球头上的狭缝喷涌而出,通过磨粒流对模具自由曲面抛光,因为磨粒流抛光的仿型性能好,因而不受曲面曲率变化的影响。对于曲率变化较大的自由曲面,可以更换球头半径比较合适的抛光导向工具,磨粒流在导向工具的导向和旋转作用下,形成可控旋转磨粒场,通过控制主轴旋转速度、磨粒流压力、导向工具与被抛表面的间距和抛光时间等参数,可以获得不同的抛光质量和效率,具有结构简单,抛光自动化程度高,抛光质量高且稳定等优点。The polishing guide tool described in the utility model does not touch the workpiece, and the abrasive grain flow spews out from the inside of the polishing guide tool through the slit on the ball head, and polishes the free-form surface of the mold through the abrasive grain flow, because the polishing of the abrasive grain flow Good performance, so it is not affected by changes in the curvature of the surface. For free-form surfaces with large curvature changes, the polishing guide tool with a more suitable radius of the ball head can be replaced. Under the guidance and rotation of the guide tool, the abrasive grain flow forms a controllable rotating abrasive grain field. Different parameters such as flow pressure, distance between the guide tool and the polished surface, and polishing time can be obtained to obtain different polishing quality and efficiency. It has the advantages of simple structure, high degree of polishing automation, high and stable polishing quality, etc.

传统的砂轮抛光方法中,砂轮直接接触工件表面,对曲率变化较大的自由曲面很难用砂轮进行抛光,而且砂轮抛光表面达不到镜面级,因此只能用作粗抛光。而本实用新型可以进行超精密抛光,抛光表面可以达到镜面级。In the traditional grinding wheel polishing method, the grinding wheel directly contacts the surface of the workpiece. It is difficult to polish the free-form surface with large curvature changes, and the polished surface of the grinding wheel cannot reach the mirror level, so it can only be used for rough polishing. However, the utility model can perform ultra-precision polishing, and the polished surface can reach the mirror level.

传统的柔性气囊抛光方法中,柔性气囊与被抛工件表面接触,在接触压力作用下,磨粒很难存储在接触区域,因此抛光效率低。而本实用新型所用抛光导向工具与被抛工具表面不接触,因此效率较高。In the traditional flexible airbag polishing method, the flexible airbag is in contact with the surface of the workpiece to be polished. Under the action of contact pressure, abrasive grains are difficult to store in the contact area, so the polishing efficiency is low. However, the polishing guide tool used in the utility model does not contact the surface of the tool being thrown, so the efficiency is higher.

附图说明Description of drawings

图1为本实用新型所述基于工具导向的磨粒流喷涌式抛光装置的立体结构图;Fig. 1 is the three-dimensional structural view of the tool-guided abrasive flow spouting polishing device according to the present invention;

图2为基于工具导向的磨粒流喷涌式抛光装置的主视图;2 is a front view of a tool-guided abrasive flow spouting polishing device;

图3为抛光导向工具的结构图;Fig. 3 is a structural diagram of a polishing guide tool;

图4为主轴机构的结构图;Fig. 4 is the structural diagram of main shaft mechanism;

图5为磨粒流机构的结构图;Fig. 5 is a structural diagram of the abrasive flow mechanism;

图中各标号的含义为:The meanings of the symbols in the figure are:

抛光导向工具1、主轴机构2、磨粒流机构3、空心管道11、微细槽12、开口连接部13、螺栓安装孔14、密封圈槽15、壳体21、空心主轴22、轴套23、转子24、定子25、轴承26、端盖27、螺栓28、箱体31、搅拌器32、磨屑吸附器33、泵34、单向调压阀35、回收箱36、连接管道37、堵头38。Polishing guide tool 1, spindle mechanism 2, abrasive flow mechanism 3, hollow pipe 11, fine groove 12, opening connection part 13, bolt mounting hole 14, sealing ring groove 15, housing 21, hollow spindle 22, shaft sleeve 23, Rotor 24, stator 25, bearing 26, end cover 27, bolt 28, box 31, agitator 32, wear dust absorber 33, pump 34, one-way pressure regulating valve 35, recovery box 36, connecting pipe 37, plug 38.

具体实施方式Detailed ways

下面结合附图和具体实施方式对本实用新型做进一步详细的说明。Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

如图1、2所示,本实用新型提供了一种基于工具导向的磨粒流喷涌式抛光装置,包括抛光导向工具1、主轴机构2和磨粒流机构3;As shown in Figures 1 and 2, the utility model provides a tool-guided abrasive flow spouting polishing device, including a polishing guide tool 1, a spindle mechanism 2 and an abrasive flow mechanism 3;

如图3所示,所述抛光导向工具包括一顶端开口、底端呈半球形的空心管道11,所述空心管道11的底端设置有若干个均匀分布的微细槽12;在抛光过程中,空心管道11作为磨粒流流道,磨粒流通过这些微细槽12喷涌而出,形成磨粒场,实现模具自由曲面的抛光加工。顶端开口设置有开口连接部13,开口连接部13上设置有多个螺栓安装孔14,开口连接部13通过多个螺栓连接到主轴机构2上,为了防止磨粒流泄漏,连接时用O型密封圈密封,因此在端面设计有密封圈槽15。As shown in Figure 3, the polishing guide tool includes a hollow pipe 11 with a top opening and a hemispherical bottom end, and the bottom end of the hollow pipe 11 is provided with several evenly distributed fine grooves 12; during the polishing process, The hollow pipe 11 is used as the abrasive flow channel, and the abrasive flow gushes out through these fine grooves 12 to form an abrasive field and realize the polishing process of the free-form surface of the mold. The top opening is provided with an opening connecting part 13, and a plurality of bolt installation holes 14 are arranged on the opening connecting part 13. The opening connecting part 13 is connected to the main shaft mechanism 2 through a plurality of bolts. In order to prevent the leakage of the abrasive flow, an O-shaped The sealing ring is sealed, so a sealing ring groove 15 is designed on the end face.

如图4所示,所述主轴机构2包括壳体21,以及安装在壳体21内的空心主轴22、轴套23、转子24、定子25和轴承26;所述壳体21与多轴联动数控机床相连,所述空心主轴22的内孔用作磨粒流流道,其与抛光导向工具1的空心管道11连通;所述轴套23安装在空心主轴22的外圆柱面中间部分,所述轴承26安装在空心主轴22的外圆柱面两端部分,所述转子24安装在轴套23上,所述定子25安装在壳体21上。定子25由线圈构成,通电后产生磁场,带动转子24转动,转子24转动时带动空心主轴22一起转动。轴承26用于支承空心主轴22,同时转动时可减小摩擦力,以免产生太多热量。壳体21用于支承和包容空心主轴22以及其它零件,并与数控机床溜板连接,从而可以安装在多轴联动数控机床上用于抛光模具自由曲面。为了防止外界杂质进入主轴内部,同时防止轴承润滑脂泄漏,壳体21的端部设置有端盖27和O型密封圈。同时壳体21通过多个连接螺栓28将需要连接的相邻零件紧固连接。As shown in Figure 4, the main shaft mechanism 2 includes a housing 21, and a hollow main shaft 22 installed in the housing 21, a shaft sleeve 23, a rotor 24, a stator 25 and a bearing 26; the housing 21 is linked with a multi-axis The CNC machine tool is connected, and the inner hole of the hollow main shaft 22 is used as an abrasive flow channel, which communicates with the hollow pipe 11 of the polishing guide tool 1; the sleeve 23 is installed on the middle part of the outer cylindrical surface of the hollow main shaft 22, so The bearings 26 are mounted on both ends of the outer cylindrical surface of the hollow main shaft 22 , the rotor 24 is mounted on the shaft sleeve 23 , and the stator 25 is mounted on the casing 21 . The stator 25 is composed of coils, and generates a magnetic field after electrification, which drives the rotor 24 to rotate, and when the rotor 24 rotates, it drives the hollow main shaft 22 to rotate together. Bearing 26 is used for supporting hollow main shaft 22, and can reduce frictional force when rotating simultaneously, so as not to generate too much heat. The housing 21 is used to support and contain the hollow main shaft 22 and other parts, and is connected with the slide plate of the CNC machine tool, so that it can be installed on the multi-axis linkage CNC machine tool for polishing the free-form surface of the mold. In order to prevent external impurities from entering the main shaft and prevent bearing grease from leaking, the end of the housing 21 is provided with an end cover 27 and an O-ring. At the same time, the housing 21 securely connects adjacent parts that need to be connected through a plurality of connecting bolts 28 .

主轴机构2的主要功能是:第一,空心主轴22下端用来固定抛光导向工具1;第二,将磨粒流装置送来的磨粒流传送到抛光导向工具1;第三,定子25通电后产生旋转磁场带动转子24转动,进而带动空心主轴22一起转动,空心主轴22带动安装在其下端的抛光导向工具1一起转动,磨粒流从下端球头微细槽12中喷涌而出形成旋转磨粒场,旋转磨粒场中的微纳磨粒可以对模具自由曲面进行微力、微量磨削加工,最终实现模具自由曲面的逐步光整。The main functions of the spindle mechanism 2 are: first, the lower end of the hollow spindle 22 is used to fix the polishing guide tool 1; second, the abrasive flow sent by the abrasive flow device is sent to the polishing guide tool 1; third, the stator 25 is energized Finally, a rotating magnetic field is generated to drive the rotor 24 to rotate, and then to drive the hollow main shaft 22 to rotate together. The hollow main shaft 22 drives the polishing guide tool 1 installed at its lower end to rotate together. In the grain field, the micro-nano abrasive grains in the rotating abrasive grain field can perform micro-force and micro-grinding on the free-form surface of the mold, and finally realize the gradual smoothing of the free-form surface of the mold.

如图5所示,所述磨粒流机构3包括箱体31、搅拌器32、磨屑吸附器33、泵34、单向调压阀35、回收箱36和连接管道37;回收箱36、箱体31、泵34和单向调压阀35通过连接管道37依次连通构成磨粒流流道;所述搅拌器32和磨屑吸附器33均设置在箱体31内;所述磨粒流流道的末端与主轴机构2的空心主轴22连通。所述箱体31采用圆台形结构,上端大,下端小,便于抛光生成的磨屑沉淀在圆台形箱体的底部。所述搅拌器32采用四齿向上倾斜结构,旋转搅拌时可使磨粒流向上翻滚和绕着竖直轴旋转搅拌,从而使搅拌更均匀。所述磨屑吸附器33由螺旋形线圈、铁芯和外壳构成,线圈通电后将产生磁场,可吸附抛光生成的磨屑,以保持磨粒流的组分,采用螺旋结构,更宜于吸附磨屑;铁芯可起到增强磁场作用,外壳采用螺旋形结构,可保证有更大的表面积,且使得磨屑更容易附着在其表面。箱体31的底部还可设置堵头38,在正常工作时旋入排出口用于封堵,需要更换磨粒流时旋出堵头38用于排出磨粒流。所述泵34用于将磨粒流从箱体31中输送到连接管道37中,磨粒流压力和流速可调节,经过空心主轴22到达抛光导向工具1,最后从抛光导向工具1的微细槽12中喷涌而出形成旋转磨粒场。所述单向调压阀35安装在连接管道37中,用于防止磨粒流反向流动,同时保持连接管道37中的磨粒流有一定的压力。所述回收箱36用于防止磨粒流飞溅溢出,收集后经连接管道37输送回箱体31。As shown in Figure 5, the abrasive particle flow mechanism 3 includes a casing 31, an agitator 32, an abrasive debris adsorber 33, a pump 34, a one-way pressure regulating valve 35, a recovery tank 36 and a connecting pipeline 37; recovery tank 36, The casing 31, the pump 34 and the one-way pressure regulating valve 35 are sequentially connected through the connecting pipe 37 to form an abrasive flow channel; the agitator 32 and the abrasive dust absorber 33 are all arranged in the casing 31; the abrasive flow The end of the flow channel communicates with the hollow main shaft 22 of the main shaft mechanism 2 . The box 31 adopts a truncated conical structure with a large upper end and a small lower end, so that abrasive debris generated by polishing can be deposited on the bottom of the truncated conical box. The agitator 32 adopts a four-tooth upward-sloping structure, which can make the flow of abrasive grains roll upwards and rotate around the vertical axis during rotation and agitation, so that the agitation is more uniform. The wear debris adsorber 33 is composed of a spiral coil, an iron core and a shell. After the coil is energized, a magnetic field will be generated to absorb the wear debris generated by polishing, so as to maintain the components of the abrasive flow. The spiral structure is more suitable for adsorption Wear debris; the iron core can enhance the magnetic field, and the shell adopts a spiral structure to ensure a larger surface area and make it easier for wear debris to adhere to its surface. The bottom of the casing 31 can also be provided with a plug 38, which is screwed into the discharge port for blocking during normal operation, and the plug 38 is unscrewed for discharging the abrasive flow when the abrasive flow needs to be replaced. The pump 34 is used to deliver the abrasive grain flow from the box body 31 to the connecting pipe 37. The pressure and flow rate of the abrasive grain flow can be adjusted, and the abrasive grain flow reaches the polishing guide tool 1 through the hollow main shaft 22, and finally passes through the fine groove of the polishing guide tool 1. 12 spout out to form a rotating abrasive grain field. The one-way pressure regulating valve 35 is installed in the connecting pipe 37, and is used to prevent the abrasive grain flow from flowing backward, and at the same time maintain a certain pressure on the abrasive grain flow in the connecting pipe 37. The recovery box 36 is used to prevent the abrasive grain flow from splashing and overflowing, and after being collected, it is transported back to the box body 31 through the connecting pipe 37 .

本实用新型所述的基于工具导向的磨粒流喷涌式抛光装置的工作原理为:The working principle of the tool-guided abrasive flow spouting polishing device described in the utility model is as follows:

磨粒流充满空心管道11,并通过下端的微细槽12喷涌而出,抛光导向工具1随着空心主轴22的旋转而高速旋转,带动从微细槽12中喷涌而出的磨粒流沿着半球形表面切向运动,形成高速旋转的磨粒场,抛光导向工具半球形表面始终与被抛光模具自由曲面保持一定间距,磨粒场中的微细磨粒高速旋转撞击模具自由曲面上的微纳凸起,在微细磨粒的微力、微量磨削作用下,使模具自由曲面逐步光整,获得镜面级表面光洁度。The abrasive grain flow fills the hollow pipe 11 and spews out through the fine groove 12 at the lower end. The polishing guide tool 1 rotates at a high speed with the rotation of the hollow main shaft 22, driving the abrasive grain flow gushing out of the fine groove 12 along the hemispherical surface. The hemispherical surface of the polishing guide tool keeps a certain distance from the free-form surface of the mold to be polished, and the fine abrasive particles in the abrasive field rotate at high speed and hit the micro-nano convex surface on the free-form surface of the mold. From the beginning, under the micro-force and micro-grinding action of the micro-fine abrasive grains, the free-form surface of the mold is gradually smoothed to obtain a mirror-level surface finish.

以上所述为本实用新型的较佳实施例,凡依本实用新型申请专利范围所作的等同变化,皆应属本实用新型的保护范围。The above are preferred embodiments of the utility model, and all equivalent changes made according to the patent scope of the utility model shall belong to the protection scope of the utility model.

Claims (8)

1. the abrasive Flow flowing type sit burnishing device based on instrument guiding, is characterized in that, comprises polishing steering tool, mainshaft mechanism and abrasive Flow mechanism;
Described polishing steering tool comprises that a top end opening, bottom are hemispheric hollow pipe, and the bottom of described hollow pipe is provided with several equally distributed fine grooves;
Described mainshaft mechanism comprises housing, and is arranged on hollow spindle, axle sleeve, rotor, stator and bearing in housing; Described housing is connected with multi-shaft linkage numerical control machine, and described hollow spindle is communicated with the hollow pipe of polishing steering tool; Described axle sleeve is arranged on the external cylindrical surface mid portion of hollow spindle, and described bearing is arranged on the external cylindrical surface two end portions of hollow spindle, and described rotor is arranged on axle sleeve, and described stator is arranged on housing.
Described abrasive Flow mechanism comprises casing, agitator, abrasive dust absorber, pump, one-way pressure regulating valve, collection box and connecting pipe; Collection box, casing, pump and one-way pressure regulating valve are communicated with formation abrasive Flow runner successively by connecting pipe; Described agitator and abrasive dust absorber all are arranged in casing; The end of described abrasive Flow runner is communicated with the hollow spindle of mainshaft mechanism.
2. the abrasive Flow flowing type sit burnishing device based on the instrument guiding according to claim 1, is characterized in that, the hollow pipe in the hollow spindle in mainshaft mechanism and polishing steering tool is bolted.
3. the abrasive Flow flowing type sit burnishing device based on the instrument guiding according to claim 2, is characterized in that, the junction of hollow spindle and hollow pipe is provided with the O RunddichtringO.
4. the abrasive Flow flowing type sit burnishing device based on the instrument guiding according to claim 1, is characterized in that, the two ends up and down of described housing are provided with an end cap, and described end cap is connected with housing by bolt.
5. the abrasive Flow flowing type sit burnishing device based on the instrument guiding according to claim 1, is characterized in that, described casing is the truncated cone-shaped structure.
6. the abrasive Flow flowing type sit burnishing device based on instrument guiding according to claim 1, is characterized in that, described agitator is the tilt agitators of structure of four teeth directionals.
7. the abrasive Flow flowing type sit burnishing device based on the instrument guiding according to claim 1, is characterized in that, described abrasive dust absorber comprises shell, and in the enclosure spiral coil and iron core are set.
8. the abrasive Flow flowing type sit burnishing device based on the instrument guiding according to claim 1, is characterized in that, the bottom of described casing is provided with a plug.
CN 201220690971 2012-12-13 2012-12-13 Abrasive flow spewing-typed buffing device based on tool navigation Expired - Fee Related CN203003611U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102990523A (en) * 2012-12-13 2013-03-27 孙树峰 Abrasive particle stream flowing type polishing device based on tool orientation
CN104999380A (en) * 2015-07-23 2015-10-28 长春理工大学 Abrasive flow polishing device for mold processing
CN107727947A (en) * 2017-09-30 2018-02-23 南京航空航天大学 A kind of device that DC electric field intensity is detected using ER fluid
CN109909814A (en) * 2019-03-21 2019-06-21 辽宁科技大学 A device for removing burrs on the edge of holes by electrolytic rotating ultrasonic magnetic composite
CN110153707A (en) * 2019-04-25 2019-08-23 孙树峰 A kind of spontaneous abrasive Flow complex machining device of laser-spraying liquid bunch and method
CN110153708A (en) * 2019-04-25 2019-08-23 孙树峰 A laser-jet liquid beam self-generated abrasive flow composite processing head and its working method
CN110640553A (en) * 2019-10-10 2020-01-03 辽宁科技大学 A kind of method and device of electrolytic magnetic composite polishing hole
CN110744454A (en) * 2019-12-02 2020-02-04 三门宣教机械设备有限公司 Abrasive flow jet machining device
CN113275967A (en) * 2020-04-29 2021-08-20 泉州市宏铭机械开发有限公司 Water circulation structure for polishing concave-convex surface and stone grinding machine

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102990523A (en) * 2012-12-13 2013-03-27 孙树峰 Abrasive particle stream flowing type polishing device based on tool orientation
CN104999380A (en) * 2015-07-23 2015-10-28 长春理工大学 Abrasive flow polishing device for mold processing
CN107727947A (en) * 2017-09-30 2018-02-23 南京航空航天大学 A kind of device that DC electric field intensity is detected using ER fluid
CN107727947B (en) * 2017-09-30 2019-12-10 南京航空航天大学 A device for detecting DC electric field strength using electrorheological fluid
CN109909814A (en) * 2019-03-21 2019-06-21 辽宁科技大学 A device for removing burrs on the edge of holes by electrolytic rotating ultrasonic magnetic composite
CN110153707A (en) * 2019-04-25 2019-08-23 孙树峰 A kind of spontaneous abrasive Flow complex machining device of laser-spraying liquid bunch and method
CN110153708A (en) * 2019-04-25 2019-08-23 孙树峰 A laser-jet liquid beam self-generated abrasive flow composite processing head and its working method
CN110153708B (en) * 2019-04-25 2020-06-05 孙树峰 A laser-jet liquid beam autogenous abrasive flow composite processing head and working method
CN110153707B (en) * 2019-04-25 2020-06-16 孙树峰 Laser-jet liquid beam autogenous abrasive flow combined machining device and method
CN110640553A (en) * 2019-10-10 2020-01-03 辽宁科技大学 A kind of method and device of electrolytic magnetic composite polishing hole
CN110744454A (en) * 2019-12-02 2020-02-04 三门宣教机械设备有限公司 Abrasive flow jet machining device
CN113275967A (en) * 2020-04-29 2021-08-20 泉州市宏铭机械开发有限公司 Water circulation structure for polishing concave-convex surface and stone grinding machine

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