CN209811949U - Active control shearing action and temperature induced gradient thickening polishing processing device - Google Patents
Active control shearing action and temperature induced gradient thickening polishing processing device Download PDFInfo
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- 238000005498 polishing Methods 0.000 title claims abstract description 219
- 230000008719 thickening Effects 0.000 title claims abstract description 54
- 230000009471 action Effects 0.000 title claims abstract description 20
- 238000010008 shearing Methods 0.000 title claims abstract description 15
- 238000012545 processing Methods 0.000 title abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 84
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
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- 230000006698 induction Effects 0.000 claims 1
- 238000001802 infusion Methods 0.000 abstract description 11
- 238000007517 polishing process Methods 0.000 abstract description 10
- 239000002245 particle Substances 0.000 description 13
- 239000012530 fluid Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 12
- 239000006061 abrasive grain Substances 0.000 description 6
- 238000003754 machining Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000003746 surface roughness Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000003487 electrochemical reaction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
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- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
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Abstract
一种主动控制剪切作用与温度诱导梯度增稠抛光加工装置，包括工件夹具、抛光盘、抛光垫、抛光液池、主轴、抛光液箱、温度传感器、变温棒和水泵，所述抛光盘安装在主轴上，抛光垫安装在抛光盘上；所述工件夹具在抛光盘的上方，工件装夹在工件夹具上；所述的抛光液箱在抛光液池的左下方，抛光液池安装在抛光盘下方，输液管连接抛光液池与抛光液箱，水泵安装在抛光液箱中，水泵与输液管连接；所述的温度传感器安装在工件夹具内，其触头与工件抛光区域抛光液接触；所述的变温棒安装在工件夹具内；所述抛光液箱内为具有温度诱导梯度增稠效应的抛光液。本实用新型提供一种抛光效率较高、抛光过程可控性和灵活性良好的主动控制剪切温度诱导梯度增稠抛光加工装置。
An active control shearing action and temperature-induced gradient thickening polishing processing device, including a workpiece fixture, a polishing disc, a polishing pad, a polishing liquid pool, a spindle, a polishing liquid tank, a temperature sensor, a temperature-changing rod, and a water pump. The polishing disc is installed On the spindle, the polishing pad is installed on the polishing disc; the workpiece fixture is above the polishing disc, and the workpiece is clamped on the workpiece fixture; the polishing liquid tank is on the lower left of the polishing liquid pool, and the polishing liquid pool is installed on Below the disc, the infusion tube is connected to the polishing solution pool and the polishing solution tank, the water pump is installed in the polishing solution tank, and the water pump is connected to the infusion tube; the temperature sensor is installed in the workpiece fixture, and its contact contacts the polishing solution in the workpiece polishing area; The temperature-changing rod is installed in the workpiece fixture; the polishing liquid tank has a temperature-induced gradient thickening effect in the polishing liquid. The utility model provides an active control shear temperature induced gradient thickening polishing processing device with high polishing efficiency, good controllability and flexibility of the polishing process.
Description
技术领域technical field
本实用新型属于超精密加工技术领域，具体是涉及一种主动控制剪切作用与温度诱导梯度增稠抛光加工装置。The utility model belongs to the technical field of ultra-precision processing, in particular to an active control shearing action and temperature-induced gradient thickening and polishing processing device.
背景技术Background technique
超精密加工技术在现代科学技术的重要组成部分，在众多领域中广泛应用。例如蓝宝石、单晶硅及各功能性陶瓷等硬脆难加工材料和轴承元件等材料的加工方面；各种复杂曲面的高精度、低损伤、美观等方面。利用超精密加工技术，可以获得低表面粗糙度、低/无表面损伤或亚表面损伤的工件表面。Ultra-precision machining technology is an important part of modern science and technology and is widely used in many fields. For example, the processing of hard, brittle and difficult-to-machine materials such as sapphire, monocrystalline silicon, and various functional ceramics, and the processing of bearing components; high precision, low damage, and aesthetics of various complex curved surfaces. Using ultra-precision machining technology, workpiece surfaces with low surface roughness, low/no surface damage or sub-surface damage can be obtained.
抛光是超精密加工的一种，是指能够使得工件在机械、化学或电化学的作用下，降低工件表面粗糙度，提高工件表面光洁度的超精密加工工艺。剪切增稠抛光是近年来提出的新型抛光工艺，剪切增稠抛光是利用具有剪切增稠效应的非牛顿流体作为基液，其中加入磨料颗粒制成抛光液，因剪切作用形成剪切增稠柔性磨具，在速度与载荷的作用下，实现工件表面进行材料去除的抛光工艺。剪切增稠抛光下的工件具有更小的表面粗糙度，造成的表面损伤或亚表面损伤小，具有来源广泛，低成本等特点。剪切增稠流体的粘度随着温度的下降，粘度变大。Polishing is a kind of ultra-precision machining, which refers to the ultra-precision machining process that can reduce the surface roughness of the workpiece and improve the surface finish of the workpiece under the action of mechanical, chemical or electrochemical. Shear thickening polishing is a new polishing process proposed in recent years. Shear thickening polishing uses non-Newtonian fluid with shear thickening effect as the base fluid, and adds abrasive particles to make polishing liquid. Cut thickened flexible abrasive tools, under the action of speed and load, realize the polishing process of material removal on the surface of the workpiece. The workpiece under shear thickening polishing has smaller surface roughness, causes less surface damage or subsurface damage, and has the characteristics of wide source and low cost. The viscosity of a shear thickening fluid increases as the temperature decreases.
温度传感器是指能感受温度并转换成可用输出信号的传感器。温度传感器是温度测量仪表的核心部分，品种繁多。按测量方式可分为接触式和非接触式两大类，按照传感器材料及电子元件特性分为热电阻和热电偶两类。A temperature sensor is a sensor that senses temperature and converts it into a usable output signal. The temperature sensor is the core part of the temperature measuring instrument, and there are many varieties. According to the measurement method, it can be divided into two categories: contact type and non-contact type. According to the characteristics of sensor materials and electronic components, it can be divided into two types: thermal resistance and thermocouple.
已公开中国发明专利(CN201810122104.8)，专利名称：一种高效超精密剪切增稠-化学协同抛光加工装置。该专利实施设备包括抛光工具、抛光工具夹具、抛光固动盘、防尘罩及抛光液循环装置。本发明利用液流边界主动约束与抛光液流流动主动控制、剪切增稠与绿色化学作用协同，提高加工效率、精度，并扩展可加工材料及面形。该专利优点在于可加工材料广、加工面型多样、抛光液环保，利用了剪切增稠效应，使该抛光为柔性抛光，提高材料去除确定性，表面变质层少；缺点在于抛光过程中，无法定向改变工件抛光区域抛光液粘度，使得抛光过程缺少灵活性。A Chinese invention patent (CN201810122104.8) has been published, patent name: a high-efficiency ultra-precision shear thickening-chemical synergistic polishing processing device. The implementation equipment of the patent includes a polishing tool, a polishing tool fixture, a polishing fixed disk, a dust cover and a polishing liquid circulation device. The invention utilizes the active restriction of the liquid flow boundary, the active control of the polishing liquid flow, the cooperation of the shear thickening and the green chemical action, improves the processing efficiency and precision, and expands the machinable materials and surface shapes. The advantages of this patent are that it can process a wide range of materials, various types of processing surfaces, and the polishing fluid is environmentally friendly. The shear thickening effect is used to make the polishing flexible, which improves the certainty of material removal and has less surface deterioration. The disadvantage is that during the polishing process, It is impossible to change the viscosity of the polishing fluid in the polishing area of the workpiece in a directional way, which makes the polishing process less flexible.
已授权中国实用新型专利(CN 201410436897.2)，专利名称：非牛顿流体剪切增稠与电解复合效应的超精密加工装置，包括抛光工具、抛光工具夹具、工件夹具和抛光池，所述工件夹具的导电件与电源阳极连接，所述抛光工具夹具的导电件与电源阴极连接。在具有剪切增稠效应的非牛顿流体中添加磨粒或微粉制备出抛光液，并添加电解液成分，使抛光液即具有电解作用又具有剪切增稠效果。电源通电后，在阳极工件与阴极抛光工具间产生电化学反应，工件表面的金属被电解溶解，随之工件表面会形成一层妨碍电化学反应的氧化膜。工件表面凸起处的氧化膜首先被磨掉，暴露出新鲜金属，电化学反应得以在凸起处继续进行。而凹陷处的氧化膜未被去除，化学反应受到阻碍，该处金属得到了保护。同时由于电流的尖峰效应，凸起处电场强度大，对金属的腐蚀能力也强，加上剪切增稠作用下磨粒对工件表面凸起处的去除作用更强，这几方面的共同作用影响，使得工件表面凸起处迅速被去除，表面粗糙度也迅速减小。该专利缺点在于对可加工工件的面形适应性差，不能解决材料去除的确定性问题，难以实现工件材料的确定性抛光和高面形精度，限制了可加工材料(具有导电性能)的范围，电解液属于非环保物质，对环境影响大、环保处理成本高。但由于该抛光仅仅依靠单一剪切增稠效应对工件产生微切削形成材料去除，抛光效率仍有提升空间。Authorized Chinese utility model patent (CN 201410436897.2), patent name: Ultra-precision machining device with non-Newtonian fluid shear thickening and electrolytic composite effect, including polishing tools, polishing tool holders, workpiece holders and polishing pools, the workpiece holders The conductive element is connected to the anode of the power supply, and the conductive element of the polishing tool holder is connected to the cathode of the power supply. The polishing liquid is prepared by adding abrasive grains or micropowder to the non-Newtonian fluid with shear thickening effect, and electrolyte components are added to make the polishing liquid not only have electrolysis effect but also have shear thickening effect. After the power is turned on, an electrochemical reaction occurs between the anode workpiece and the cathode polishing tool, the metal on the surface of the workpiece is electrolytically dissolved, and then an oxide film that hinders the electrochemical reaction is formed on the surface of the workpiece. The oxide film on the protrusions on the surface of the workpiece is first ground off, exposing fresh metal, and the electrochemical reaction can continue on the protrusions. However, the oxide film in the depression is not removed, the chemical reaction is hindered, and the metal is protected. At the same time, due to the peak effect of the current, the electric field intensity at the protrusion is strong, and the corrosion ability to the metal is also strong. In addition, under the action of shear thickening, the abrasive grains have a stronger removal effect on the protrusion on the surface of the workpiece. The combined effect of these aspects The impact, so that the convex part of the workpiece surface is quickly removed, and the surface roughness is also rapidly reduced. The disadvantage of this patent is that it has poor adaptability to the surface shape of the machinable workpiece, cannot solve the deterministic problem of material removal, and is difficult to achieve deterministic polishing and high surface shape accuracy of the workpiece material, which limits the range of machinable materials (with electrical conductivity). Electrolyte is a non-environmentally friendly substance, which has a great impact on the environment and high cost of environmental protection treatment. However, since the polishing only relies on a single shear thickening effect to produce microcutting on the workpiece to form material removal, there is still room for improvement in polishing efficiency.
已授权中国发明专利(CN 201510366852.7)，专利名称：一种主动控制工件材料去除机理转变的超精密抛光方法。该专利通过在抛光过程，采用工件－抛光盘接触状态调整机构，在抛光初始时采用紧接触抛光以保证工件加工形状精度，然后调整工件与抛光盘接触状态，采用非接触抛光去除紧接触抛光的工件表面加工损伤层。该专利在非接触抛光去除阶段，无法改变抛光液的浓度，在该阶段的抛光效率存有不足。Authorized Chinese invention patent (CN 201510366852.7), patent name: an ultra-precision polishing method that actively controls the transformation of the workpiece material removal mechanism. The patent adopts the workpiece-polishing disc contact state adjustment mechanism in the polishing process, adopts close contact polishing at the beginning of polishing to ensure the shape accuracy of the workpiece processing, and then adjusts the contact state between the workpiece and the polishing disc, and uses non-contact polishing to remove close contact polishing. Workpiece surface machining damage layer. In this patent, the concentration of the polishing solution cannot be changed in the non-contact polishing removal stage, and the polishing efficiency in this stage is insufficient.
发明内容Contents of the invention
为了克服已有抛光方式的抛光效率较低、抛光过程可控性和灵活性较差的不足，本实用新型提供一种抛光效率较高、抛光过程可控性和灵活性良好的主动控制剪切温度诱导梯度增稠抛光加工装置。In order to overcome the disadvantages of the existing polishing methods such as low polishing efficiency, poor controllability and flexibility of the polishing process, the utility model provides an active control shearing machine with high polishing efficiency, good controllability and flexibility of the polishing process. Temperature-induced gradient thickening polishing processing device.
本实用新型解决其技术问题所采用的技术方案是：The technical scheme that the utility model solves its technical problem adopts is:
一种主动控制剪切作用与温度诱导梯度增稠抛光加工装置，包括工件夹具、抛光盘、抛光垫、抛光液池、主轴、抛光液箱、温度传感器、变温棒和水泵，所述抛光盘安装在主轴上，抛光垫安装在抛光盘上；所述工件夹具在抛光盘的上方，工件装夹在工件夹具上；所述的抛光液箱在抛光液池的左下方，抛光液池安装在抛光盘下方，输液管连接抛光液池与抛光液箱，水泵安装在抛光液箱中，水泵与输液管连接；所述的温度传感器安装在工件夹具内，其触头与工件抛光区域抛光液接触；所述的变温棒安装在工件夹具内；所述抛光液箱内为具有温度诱导梯度增稠效应的抛光液。An active control shear action and temperature-induced gradient thickening polishing processing device, including a workpiece fixture, a polishing disc, a polishing pad, a polishing liquid pool, a spindle, a polishing liquid tank, a temperature sensor, a temperature-changing rod, and a water pump. The polishing disc is installed On the spindle, the polishing pad is installed on the polishing disc; the workpiece fixture is above the polishing disc, and the workpiece is clamped on the workpiece fixture; the polishing liquid tank is on the lower left of the polishing liquid pool, and the polishing liquid pool is installed on Below the optical disk, the infusion tube is connected to the polishing liquid tank and the polishing liquid tank, the water pump is installed in the polishing liquid tank, and the water pump is connected to the infusion tube; the temperature sensor is installed in the workpiece fixture, and its contact contacts the polishing liquid in the workpiece polishing area; The temperature-changing rod is installed in the workpiece fixture; the polishing liquid tank has a temperature-induced gradient thickening effect in the polishing liquid.
再进一步，所述装置还包括数据接收器，用于无线接收从温度传感器传送的信号、能够无线控制变温棒的启动/关闭；所述的温度传感器具有数据无线传输功能和内置电池；所述的变温棒具有数据无线传输功能和内置电池特征；所述的温度传感器和变温棒与所述数据接收器通讯连接。Still further, the device also includes a data receiver, which is used to wirelessly receive the signal transmitted from the temperature sensor, and can wirelessly control the start/stop of the temperature changing rod; the temperature sensor has a wireless data transmission function and a built-in battery; the The temperature-changing stick has the function of wireless data transmission and a built-in battery; the temperature sensor and the temperature-changing stick are connected in communication with the data receiver.
所述数据接收器包括用于监测抛光液的温度，启动变温棒，每隔一段时间梯度降低抛光液温度实现温度诱导梯度增稠抛光的控制模块。The data receiver includes a control module for monitoring the temperature of the polishing liquid, starting the temperature changing rod, and gradually reducing the temperature of the polishing liquid at intervals to achieve temperature-induced gradient thickening polishing.
更进一步，所述抛光液各成分及其比例：抛光磨粒8wt.％-25wt.％、剪切增稠基液16wt.％-25wt.％、水35wt.％-55wt.％、变温粒子1wt.％-16wt.％，抛光液在加工过程中，能够在制冷片的作用下快速的变温，实现主动控制剪切温度诱导梯度增稠抛光。Further, the components of the polishing liquid and their proportions: polishing abrasive grains 8wt.%-25wt.%, shear thickening base liquid 16wt.%-25wt.%, water 35wt.%-55wt.%, temperature-changing particles 1wt .%-16wt.%, the polishing liquid can rapidly change temperature under the action of the cooling plate during processing, and realize active control of shear temperature to induce gradient thickening polishing.
所述变温粒子可选择设定比热容值的颗粒(数值可以比水或增稠相小)，要求选择的变温粒子不会对抛光液的增稠效应产生影响。The temperature-changing particles can choose particles with a specific heat capacity value (the value can be smaller than that of water or the thickening phase), and it is required that the selected temperature-changing particles will not affect the thickening effect of the polishing liquid.
所述输液管、抛光液池、抛光液箱、水泵形成抛光液循环系统，抛光液箱中的抛光液通过水泵经输液管输入到工件夹具内、抛光垫上，多余的抛光液流入到抛光液池经输液管到达抛光液箱。The infusion pipe, the polishing liquid pool, the polishing liquid tank and the water pump form a polishing liquid circulation system, the polishing liquid in the polishing liquid tank is input into the workpiece fixture and the polishing pad through the water pump through the infusion tube, and the excess polishing liquid flows into the polishing liquid pool It reaches the polishing solution tank through the infusion tube.
通过主动控制剪切作用与温度诱导梯度增稠抛光技术，在粗抛阶段主动控制剪切作用，提高抛光效率；在精抛阶段，温度诱导梯度增稠，层层递进缓慢抛光，获得表面质量高、低/无表面损伤或亚表面损伤的工件。Through the active control of shearing action and temperature-induced gradient thickening polishing technology, the shearing action is actively controlled in the coarse polishing stage to improve polishing efficiency; in the fine polishing stage, temperature-induced gradient thickening is gradually polished layer by layer to obtain surface quality Parts with high, low/no surface damage or subsurface damage.
上述的主动控制剪切作用与温度诱导梯度增稠抛光，主动控制剪切作用，是通过改变工件夹具施加在工件上的载荷或抛光盘的转速或工件夹具的转速，实现抛光是工件受到的剪切作用；温度诱导梯度增稠，是通过工件夹具内的变温棒每隔一段时间改变抛光液的温度、结合主动剪切速率控制，就可以达到每隔一段时间改变抛光液的粘度，实现抛光液梯度增稠。粗抛阶段，由于大剪切作用使得工件抛光表面抛光液粘度增加，又由剪切作用产生摩擦热使得抛光液粘度降低，最终抛光液粘度稳定，工件在该粘度下粗抛；精抛阶段，每隔t时间通过变温棒使抛光液温度迅速改变x℃，抛光液粘度增加，在该粘度下抛光一段时间，如此循环抛光，最终实现主动控制剪切作用与温度诱导梯度增稠抛光。The above-mentioned active control of shearing action and temperature-induced gradient thickening polishing, active control of shearing action is achieved by changing the load applied to the workpiece by the workpiece fixture or the rotational speed of the polishing disc or the rotational speed of the workpiece fixture to achieve polishing. Cutting effect; temperature-induced gradient thickening, through the temperature-changing rod in the workpiece fixture to change the temperature of the polishing solution at regular intervals, combined with active shear rate control, the viscosity of the polishing solution can be changed at regular intervals, and the polishing solution can be realized Gradient thickening. In the rough polishing stage, due to the large shearing effect, the viscosity of the polishing liquid on the polishing surface of the workpiece increases, and the friction heat generated by the shearing effect reduces the viscosity of the polishing liquid, and finally the viscosity of the polishing liquid is stable, and the workpiece is roughly polished at this viscosity; in the fine polishing stage, The temperature of the polishing liquid is rapidly changed by x°C through the temperature-changing rod every t time, the viscosity of the polishing liquid increases, and the polishing is performed at this viscosity for a period of time, and the polishing is cycled in this way, and finally the active control of the shearing effect and the temperature-induced gradient thickening polishing are realized.
与现有技术相比，本实用新型的有益效果是：Compared with the prior art, the beneficial effects of the utility model are:
(1)本实用新型利用了主动控制剪切作用与温度诱导梯度增稠技术，不仅提高了对工件的抛光效率，获得表面质量高、低表面粗糙度的工件，还提高了抛光过程的可控性、灵活性，增加了抛光工艺的多样性。(1) The utility model utilizes the technology of actively controlling shearing action and temperature-induced gradient thickening, which not only improves the polishing efficiency of workpieces, obtains workpieces with high surface quality and low surface roughness, but also improves the controllability of the polishing process Sexuality and flexibility increase the diversity of polishing process.
(2)本实用新型利用了非牛顿流体的剪切增稠效应，使该抛光为柔性抛光，能够的到低/无表面损伤或亚表面损伤的工件。(2) The utility model utilizes the shear thickening effect of the non-Newtonian fluid, so that the polishing is flexible polishing, and can achieve workpieces with low/no surface damage or subsurface damage.
附图说明Description of drawings
图1为主动控制剪切作用与温度诱导梯度增稠抛光示意图，工件1、温度传感器2、抛光液3、变温棒4、抛光垫5、工件夹具6、输液管7、水泵8、抛光液箱9、主轴10、抛光液池11、抛光盘12。Figure 1 is a schematic diagram of actively controlled shearing action and temperature-induced gradient thickening polishing, workpiece 1, temperature sensor 2, polishing liquid 3, temperature changing rod 4, polishing pad 5, workpiece fixture 6, infusion tube 7, water pump 8, polishing liquid tank 9. Main shaft 10, polishing liquid pool 11, polishing disc 12.
具体实施方式Detailed ways
下面结合附图进一步说明本实用新型。Further illustrate the utility model below in conjunction with accompanying drawing.
参照图1，一种主动控制剪切作用与温度诱导梯度增稠抛光加工装置，包括工件夹具6、抛光盘12、抛光垫5、抛光液池11、主轴10、抛光液箱9、温度传感器2、变温棒4和水泵8，所述抛光盘12安装在主轴10上，抛光垫5安装在抛光盘12上，抛光液池11安装在抛光盘12下；所述工件夹具6在抛光盘12的上方，工件1装夹在工件夹具6上；所述的抛光液箱9在抛光液池11的左下方，输液管7连接抛光液池11与抛光液箱9，水泵8安装在抛光液箱9中，水泵8与输液管7连接；所述的温度传感器2安装在工件夹具6内，其触头与工件1抛光区域抛光液接触；所述的变温棒4安装在工件夹具内，所述抛光液箱9内为具有温度诱导梯度增稠效应的抛光液。Referring to FIG. 1 , an active control shearing action and temperature-induced gradient thickening polishing processing device includes a workpiece holder 6, a polishing disc 12, a polishing pad 5, a polishing liquid pool 11, a spindle 10, a polishing liquid tank 9, and a temperature sensor 2 , temperature-changing rod 4 and water pump 8, described polishing disc 12 is installed on the main shaft 10, and polishing pad 5 is installed on the polishing disc 12, and polishing liquid pool 11 is installed under the polishing disc 12; Above, the workpiece 1 is clamped on the workpiece fixture 6; the polishing liquid tank 9 is on the lower left side of the polishing liquid pool 11, the infusion tube 7 is connected to the polishing liquid pool 11 and the polishing liquid tank 9, and the water pump 8 is installed in the polishing liquid tank 9 Among them, the water pump 8 is connected with the infusion tube 7; the temperature sensor 2 is installed in the workpiece fixture 6, and its contact contacts with the polishing liquid in the polishing area of the workpiece 1; the temperature changing rod 4 is installed in the workpiece fixture, and the polishing Inside the liquid tank 9 is a polishing liquid with a temperature-induced gradient thickening effect.
所述装置还包括数据接收器，用于无线接收从温度传感器2传送的信号、能够无线控制变温棒4的启动/关闭；所述的温度传感器2具有数据无线传输功能和内置电池；所述的变温棒4具有数据无线传输功能和内置电池特征；所述的温度传感器2和变温棒4与所述数据接收器通讯连接。The device also includes a data receiver, which is used to wirelessly receive the signal transmitted from the temperature sensor 2, and can wirelessly control the start/stop of the temperature changing rod 4; the temperature sensor 2 has a data wireless transmission function and a built-in battery; the described The temperature changing rod 4 has the function of wireless data transmission and a built-in battery; the temperature sensor 2 and the temperature changing rod 4 are connected in communication with the data receiver.
所述数据接收器包括用于监测抛光液的温度，启动变温棒，每隔一段时间梯度降低抛光液温度实现温度诱导梯度增稠抛光的控制模块。The data receiver includes a control module for monitoring the temperature of the polishing liquid, starting the temperature changing rod, and gradually reducing the temperature of the polishing liquid at intervals to achieve temperature-induced gradient thickening polishing.
更进一步，所述抛光液各成分及其比例：抛光磨粒8wt.％-25wt.％、剪切增稠基液16wt.％-25wt.％、水35wt.％-55wt.％、变温粒子1wt.％-16wt.％，抛光液在加工过程中，能够在制冷片的作用下快速的变温，实现主动控制剪切温度诱导梯度增稠抛光。Further, the components of the polishing liquid and their proportions: polishing abrasive grains 8wt.%-25wt.%, shear thickening base liquid 16wt.%-25wt.%, water 35wt.%-55wt.%, temperature-changing particles 1wt .%-16wt.%, the polishing liquid can rapidly change temperature under the action of the cooling plate during processing, and realize active control of shear temperature to induce gradient thickening polishing.
本实施例中，所述抛光液可以选择的各成分及其比例为：In the present embodiment, the optional components and their ratios of the polishing liquid are:
抛光磨粒8wt.％、剪切增稠基液25wt.％、水55wt.％、变温粒子12wt.％；Polishing abrasive grains 8wt.%, shear thickening base fluid 25wt.%, water 55wt.%, temperature-changing particles 12wt.%;
或者是：抛光磨粒20wt.％、剪切增稠基液16wt.％、水50wt.％、变温粒子14wt.％；Or: polishing abrasive 20wt.%, shear thickening base fluid 16wt.%, water 50wt.%, temperature-changing particles 14wt.%;
再或者是：抛光磨粒25wt.％、剪切增稠基液24wt.％、水35wt.％、变温粒子16wt.％；Or: polishing abrasive 25wt.%, shear thickening base fluid 24wt.%, water 35wt.%, temperature-changing particles 16wt.%;
又或者是：抛光磨粒24wt.％、剪切增稠基液23wt.％、水52wt.％、变温粒子1wt.％。Or: 24wt.% of polishing abrasive grains, 23wt.% of shear thickening base fluid, 52wt.% of water, and 1wt.% of temperature-changing particles.
所述变温粒子可选择设定比热容值的颗粒(数值可以比水或增稠相小)，要求选择的变温粒子不会对抛光液的增稠效应产生影响。The temperature-changing particles can choose particles with a specific heat capacity value (the value can be smaller than that of water or the thickening phase), and it is required that the selected temperature-changing particles will not affect the thickening effect of the polishing liquid.
所述输液管7、抛光液池11、抛光液箱9、水泵8形成抛光液循环系统，抛光液箱9中的抛光液通过水泵8经输液管输入到工件夹具内、抛光垫5上，多余的抛光液流入到抛光液池11经输液管到达抛光液箱9。Described transfusion pipe 7, polishing liquid pool 11, polishing liquid tank 9, water pump 8 form polishing liquid circulation system, and the polishing liquid in polishing liquid tank 9 is input in the workpiece fixture, polishing pad 5 through water pump 8 through transfusion tube, redundant The polishing liquid flows into the polishing liquid pool 11 and reaches the polishing liquid tank 9 through the infusion tube.
如图1所示，本实用新型用于加工轴承钢、硬质合金、金属陶瓷、光学玻璃以及难加工硬脆材料等工件时，包括如下步骤：As shown in Figure 1, when the utility model is used for processing workpieces such as bearing steel, cemented carbide, cermet, optical glass and difficult-to-machine hard and brittle materials, it comprises the following steps:
1)选用工件夹具6；1) select the workpiece fixture 6;
2)将工件1装夹在工件夹具6上；2) Clamping the workpiece 1 on the workpiece fixture 6;
3)配置具有温度诱导梯度增稠效应的抛光液3，并将抛光液3置于抛光液箱9内；3) configuring a polishing solution 3 with a temperature-induced gradient thickening effect, and placing the polishing solution 3 in the polishing solution tank 9;
4)启动主轴10和水泵8，将抛光液3输入到抛光盘12上，使得抛光液3在抛光盘12上相对运动，形成抛光液循环系统；4) Start the main shaft 10 and the water pump 8, and input the polishing liquid 3 onto the polishing disc 12, so that the polishing liquid 3 moves relatively on the polishing disc 12 to form a polishing liquid circulation system;
5)使工件1在大剪切作用下粗抛；5) Roughly throwing the workpiece 1 under the action of large shear;
6)使用温度传感器2，监测到抛光液3的温度T℃，启动变温棒4，每隔一段时间梯度降低抛光液3温度，即每隔一段时间抛光液3粘度增大，造成抛光液3梯度增稠，实现温度诱导梯度增稠抛光。6) Use the temperature sensor 2 to monitor the temperature T°C of the polishing liquid 3, start the temperature changing rod 4, and gradually reduce the temperature of the polishing liquid 3 at intervals, that is, the viscosity of the polishing liquid 3 increases at intervals, resulting in a gradient of the polishing liquid 3 Thickening to achieve a temperature-induced gradient thickening finish.
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| CN109822428A (en) * | 2019-03-29 | 2019-05-31 | 湖南科技大学 | Actively controlled shearing action and temperature-induced gradient thickening polishing processing device |
| CN112454157A (en) * | 2020-09-29 | 2021-03-09 | 湖南科技大学 | Controllable discontinuous shear thickening and polishing method and device |
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| CN109822428A (en) * | 2019-03-29 | 2019-05-31 | 湖南科技大学 | Actively controlled shearing action and temperature-induced gradient thickening polishing processing device |
| CN109822428B (en) * | 2019-03-29 | 2024-05-14 | 湖南科技大学 | Active control shearing action and temperature induction gradient thickening polishing processing device |
| CN112454157A (en) * | 2020-09-29 | 2021-03-09 | 湖南科技大学 | Controllable discontinuous shear thickening and polishing method and device |
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