CN104227154B - Portable processing observation integration microminiature numerical control galvanic corrosion machining tool - Google Patents
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Abstract
便携式加工观测一体化微小型数控电蚀加工机床,属于数控机床领域。为了解决现有电蚀加工机床体积大,且不能用于现场视频教学演示的问题。它包括微小型机床本体结构、伺服进给机构、伺服执行机构、弹性元件和电气控制盒;微小型机床本体结构包括便携轻量横梁、立柱、工作台、工作液槽、导轨和滑块;伺服进给机构包括直线步进电机和非刚性连接球头;伺服执行机构包括旋转电机、电极夹头和旋转电机固定架;电气控制盒用于给电极夹头提供脉冲电压,并检测电极夹头所夹持电极与工作液槽内待加工器件间的极间电压,同时还用于控制直线步进电机。本发明用于电加工领域。
The utility model relates to a micro-miniature numerical control electric erosion machining machine tool integrated with portable processing and observation, which belongs to the field of numerical control machine tools. In order to solve the problem that the existing electric erosion machining machine tool is bulky and cannot be used for on-site video teaching demonstration. It includes micro-machine body structure, servo feed mechanism, servo actuator, elastic components and electrical control box; micro-machine body structure includes portable lightweight beam, column, workbench, working fluid tank, guide rail and slider; servo The feeding mechanism includes a linear stepping motor and a non-rigid connection ball head; the servo actuator includes a rotating motor, an electrode chuck and a fixing frame for the rotating motor; the electrical control box is used to provide pulse voltage to the electrode chuck and detect The inter-electrode voltage between the clamping electrode and the device to be processed in the working fluid tank is also used to control the linear stepping motor. The invention is used in the field of electrical processing.
Description
技术领域technical field
本发明属于数控机床领域。The invention belongs to the field of numerical control machine tools.
背景技术Background technique
电加工凭借其宏观作用力小、非接触加工、对材料适用范围广等诸多优势在机械加工领域占据着重要位置,被广泛地应用于模具制造、微细加工等领域,是应用最为广泛的特种加工技术之一,但是通常电加工机床都是固定式的、体积和重量较大、不便于手提携带、而且成本高(十几万到几百万一台)、使用和维修费用高。即便是小型台式电加工机床,也不便于手提携带。对于科研和生产中某些难加工材料和难加工型孔的加工需求,若设计成便携式的电蚀加工工具,则具有更大的灵活性和实用性。Electric processing occupies an important position in the field of mechanical processing due to its advantages such as small macro force, non-contact processing, and wide application range of materials. It is widely used in mold manufacturing, micro-processing and other fields, and is the most widely used special processing. One of the technologies, but usually the electric processing machine tools are fixed, with large volume and weight, not easy to carry, and the cost is high (100,000 to several million units), and the use and maintenance costs are high. Even if it is a small desktop electric processing machine tool, it is not easy to carry it by hand. For the processing requirements of some difficult-to-machine materials and difficult-to-machine holes in scientific research and production, if it is designed as a portable electro-erosion machining tool, it will have greater flexibility and practicability.
发明内容Contents of the invention
本发明是为了解决现有电蚀加工机床体积大,且不能用于现场视频教学演示的问题,本发明提供了便携式加工观测一体化微小型数控电蚀加工机床。The present invention aims to solve the problem that the existing electro-erosion machining machine tools are bulky and cannot be used for on-site video teaching demonstrations. The invention provides a portable micro-miniature numerical control electro-erosion machining machine tool integrating processing and observation.
便携式加工观测一体化微小型数控电蚀加工机床,它包括微小型机床本体结构、伺服进给机构、伺服执行机构、弹性元件和电气控制盒;Portable processing and observation integrated miniature numerical control electric erosion machining machine tool, which includes a miniature machine tool body structure, a servo feed mechanism, a servo actuator, elastic elements and an electrical control box;
所述的微小型机床本体结构包括便携轻量横梁、立柱、工作台、工作液槽、导轨和滑块;The body structure of the micro-miniature machine tool includes a portable lightweight beam, a column, a workbench, a working fluid tank, guide rails and sliders;
伺服进给机构包括直线步进电机和非刚性连接球头;The servo feed mechanism includes a linear stepper motor and a non-rigid connection ball head;
伺服执行机构包括旋转电机、电极夹头和旋转电机固定架;The servo actuator includes a rotating motor, an electrode chuck and a fixing frame for the rotating motor;
立柱的一端垂直固定有便携轻量横梁,其另一端固定在工作台上,工作台上设有工作液槽,直线步进电机固定在便携轻量横梁上,且直线步进电机的滚珠丝杠穿过便携轻量横梁,滚珠丝杠的下端设有非刚性连接球头,立柱靠近工作液槽的侧壁上设有导轨,并保证导轨与直线步进电机的滚珠丝杠平行,One end of the column is vertically fixed with a portable lightweight beam, and the other end is fixed on the workbench. There is a working fluid tank on the workbench. Through the portable lightweight beam, the lower end of the ball screw is provided with a non-rigid connection ball head, and the side wall of the column near the working fluid tank is provided with a guide rail, and the guide rail is parallel to the ball screw of the linear stepping motor.
导轨通过滑块与旋转电机固定架滑动连接,非刚性连接球头压在旋转电机固定架的上固定板的上表面,弹性元件夹固在便携轻量横梁与旋转电机固定架的上固定板之间,旋转电机固定架的下固定板上固定有旋转电机,旋转电机的旋转轴穿过旋转电机固定架的下固定板,且旋转电机的旋转轴的末端固定有电极夹头,电极夹头所夹持电极与工作液槽内的待加工器件间形成极间间隙,电气控制盒用于给电极夹头提供脉冲电压,并检测电极夹头所夹持电极与工作液槽内待加工器件间的极间电压,同时还用于控制直线步进电机。The guide rail is slidingly connected with the rotating motor fixing frame through the slider, the non-rigid connection ball head is pressed on the upper surface of the upper fixing plate of the rotating motor fixing frame, and the elastic element is clamped between the portable light beam and the upper fixing plate of the rotating motor fixing frame Between them, a rotating motor is fixed on the lower fixing plate of the rotating motor fixing frame, the rotating shaft of the rotating motor passes through the lower fixing plate of the rotating motor fixing frame, and the end of the rotating shaft of the rotating motor is fixed with an electrode chuck, which is held by the electrode chuck A gap is formed between the clamping electrode and the device to be processed in the working fluid tank. The electrical control box is used to provide pulse voltage to the electrode chuck and detect the gap between the electrode clamped by the electrode chuck and the device to be processed in the working fluid tank. The inter-pole voltage is also used to control the linear stepper motor.
所述的便携式加工观测一体化微小型数控电蚀加工机床,它还包括视频及音频装置,视频及音频装置固定在导轨所在的侧壁上,并位于导轨的下方,The portable processing and observation integrated miniature CNC electro-erosion machine tool also includes video and audio devices, and the video and audio devices are fixed on the side wall where the guide rail is located, and are located below the guide rail.
视频及音频装置用于采集电极夹头所夹持电极与工作液槽的工作状态信息,并将采集的信息送至移动终端。The video and audio devices are used to collect the working status information of the electrode held by the electrode chuck and the working fluid tank, and send the collected information to the mobile terminal.
所述的电气控制盒包括壳体、伺服检测模块、伺服控制模块、伺服驱动模块和电源模块,所述的伺服检测模块、伺服控制模块、伺服驱动模块和电源模块设置在壳体内,电源模块用于给电极夹头、伺服检测模块、伺服控制模块和伺服驱动模块提供工作电源,The electrical control box includes a housing, a servo detection module, a servo control module, a servo drive module, and a power supply module. The servo detection module, servo control module, servo drive module, and power supply module are arranged in the housing, and the power supply module is used It is used to provide working power for the electrode chuck, servo detection module, servo control module and servo drive module,
伺服检测模块用于检测极间电压,并将获得的极间电压数据发送给伺服控制模块,伺服控制模块用于根据接收到的数据产生直线步进电机控制信号发送给伺服驱动模块,伺服驱动模块用于根据接收到的直线步进电机控制信号产生直线步进电机驱动信号发送给直线步进电机。The servo detection module is used to detect the inter-electrode voltage and send the obtained inter-electrode voltage data to the servo control module. The servo control module is used to generate a linear stepper motor control signal according to the received data and send it to the servo drive module. The servo drive module It is used to generate a linear stepper motor driving signal according to the received linear stepper motor control signal and send it to the linear stepper motor.
所述的电气控制盒还包括数码管显示模块,该数码管显示模块嵌入在壳体的前表面,且数码管显示模块的信号输入端与伺服控制模块的显示信号输出端连接。The electrical control box also includes a digital tube display module embedded in the front surface of the housing, and the signal input terminal of the digital tube display module is connected to the display signal output terminal of the servo control module.
原理分析:Principle analysis:
加工零件时,首先向工作液槽中充入纯净水,将工件固定至工作液槽中工件架上,将电气控制盒调至手动模式,在手动模式下调节电极与工件之间距离,调节机床加工规准(粗、中、精加工规准)及相应的电参数,随后将手动模式切换至自动模式进行加工,加工过程中,加工状态参数可通过电气控制盒中数码管显示,视频及音频装置实时监控加工过程中的放电现象及工件、电极的形状及尺寸变化,并可通过移动终端进行尺寸测量,为便于监控。When processing parts, first fill the working fluid tank with pure water, fix the workpiece on the workpiece rack in the working fluid tank, adjust the electrical control box to manual mode, adjust the distance between the electrode and the workpiece in manual mode, and adjust the machine tool Processing specifications (rough, medium, and finishing processing specifications) and corresponding electrical parameters, and then switch the manual mode to the automatic mode for processing. During the processing, the processing status parameters can be displayed through the digital tube in the electrical control box, video and audio The device monitors the discharge phenomenon and the shape and size changes of the workpiece and electrodes in real time during the processing, and can measure the size through the mobile terminal for the convenience of monitoring.
为保证放电间隙处于最佳状态,电气控制盒中的伺服检测模块实时检测电极与工件间电压,将检测信号输入至伺服控制模块,伺服控制模块依据控制策略发送信号控制伺服驱动模块,控制直线步进电机上下运动来调节间隙大小。在此过程中,非刚性连接球头以非刚性形式连接直线步进电机及旋转电机固定架来有效消除伺服进给阻力;另外弹性元件在整个加工过程中始终给旋转电机固定架向上的拉力,可以有效消除机械传动间隙,提高伺服响应速度与加工精度。In order to ensure that the discharge gap is in the best state, the servo detection module in the electrical control box detects the voltage between the electrode and the workpiece in real time, and inputs the detection signal to the servo control module. The servo control module sends signals to control the servo drive module according to the control strategy and controls the linear step. The motor moves up and down to adjust the size of the gap. During this process, the non-rigid connection ball head connects the linear stepping motor and the rotating motor fixing frame in a non-rigid form to effectively eliminate the servo feed resistance; in addition, the elastic element always gives the rotating motor fixing frame an upward pull during the entire processing process, It can effectively eliminate the mechanical transmission gap, improve the servo response speed and processing accuracy.
便携式加工观测一体化微小型数控电蚀加工机床具有“麻雀虽小,五脏俱全”的特点,不仅可满足加工需求,还可以摆脱对费用昂贵的大型电火花加工设备的依赖,并且可以方便地携带到工作现场进行加工,具有很大的灵活性。本发明可作为用于小孔和简单形状加工的便携式电火花加工工具,用于科研和生产中各种难加工材料和难加工型孔的加工。Portable processing and observation integrated micro-miniature CNC electric erosion machining machine has the characteristics of "although a sparrow is small, it has all internal organs", which can not only meet the processing needs, but also get rid of the dependence on expensive large-scale EDM equipment, and can be easily carried It has great flexibility to go to the job site for processing. The invention can be used as a portable electric discharge machining tool for machining small holes and simple shapes, and can be used for machining various difficult-to-machine materials and difficult-to-machine holes in scientific research and production.
此外本发明还可作为进行教学演示和科普创新教育的教具,实现理论与实践相结合的教学方式,并通过光、声、电等信息的处理,可以使学生了解和感受电火花加工现象和加工过程,对于增加学生的感性认识并提高其实践动手能力和创新意识具有积极的作用。In addition, the present invention can also be used as a teaching aid for teaching demonstration and popular science innovation education, realizing the teaching method combining theory and practice, and through the processing of light, sound, electricity and other information, students can understand and feel the phenomenon of EDM and processing The process plays a positive role in increasing students' perceptual knowledge and improving their practical ability and innovative consciousness.
本发明所述的便携式加工观测一体化微小型数控电蚀加工机床的加工精度得到显著提高,且不仅可以将机床随意携带至现场进行加工,还可以作为课堂演示示教的教具,新型电气控制系统允许用户选择,更换,组合使用不同的加工电源、不同的伺服驱动方式以及不同的伺服检测方法,由于采用模块化处理,每个模块之间独立存在,这种模块化处理方式便于将来对系统进行扩展升级、模块更换及组合使用。The processing accuracy of the portable processing and observation integrated miniature numerical control electric erosion machining machine tool described in the present invention is significantly improved, and not only can the machine tool be carried to the scene for processing at will, but also can be used as a teaching tool for classroom demonstration and teaching. The new electrical control system Users are allowed to choose, replace, and combine different processing power sources, different servo drive methods and different servo detection methods. Due to the modular processing, each module exists independently. This modular processing method is convenient for future system upgrades. Expansion upgrade, module replacement and combined use.
附图说明Description of drawings
图1为具体实施方式一所述的便携式加工观测一体化微小型数控电蚀加工机床的结构示意图;Fig. 1 is a schematic structural view of the portable processing and observation integrated miniature numerical control electric erosion machining machine tool described in the first embodiment;
图2为具体实施方式三所述的电气控制盒的原理示意图。Fig. 2 is a schematic diagram of the principle of the electrical control box described in the third embodiment.
具体实施方式detailed description
具体实施方式一:参见图1说明本实施方式,本实施方式所述的便携式加工观测一体化微小型数控电蚀加工机床,它包括微小型机床本体结构、伺服进给机构、伺服执行机构、弹性元件13和电气控制盒14;Specific Embodiment 1: Refer to Fig. 1 to illustrate this embodiment. The portable processing and observation integrated miniature numerical control electric erosion machine tool described in this embodiment includes a microminiature machine tool body structure, a servo feed mechanism, a servo actuator, an elastic Component 13 and electrical control box 14;
所述的微小型机床本体结构包括便携轻量横梁2、立柱3、工作台8、工作液槽9、导轨4和滑块5;The body structure of the miniature machine tool includes a portable lightweight beam 2, a column 3, a workbench 8, a working fluid tank 9, a guide rail 4 and a slider 5;
伺服进给机构包括直线步进电机1和非刚性连接球头12;The servo feed mechanism includes a linear stepper motor 1 and a non-rigid connection ball head 12;
伺服执行机构包括旋转电机11、电极夹头10和旋转电机固定架6;The servo actuator includes a rotating motor 11, an electrode chuck 10 and a rotating motor fixing frame 6;
立柱3的一端垂直固定有便携轻量横梁2,其另一端固定在工作台8上,工作台8上设有工作液槽9,直线步进电机1固定在便携轻量横梁2上,且直线步进电机1的滚珠丝杠穿过便携轻量横梁2,滚珠丝杠的下端设有非刚性连接球头12,立柱3靠近工作液槽9的侧壁上设有导轨4,并保证导轨4与直线步进电机1的滚珠丝杠平行,导轨4通过滑块5与旋转电机固定架6滑动连接,非刚性连接球头12压在旋转电机固定架6的上固定板的上表面,弹性元件13夹固在便携轻量横梁2与旋转电机固定架6的上固定板之间,旋转电机固定架6的下固定板上固定有旋转电机11,旋转电机11的旋转轴穿过旋转电机固定架6的下固定板,且旋转电机11的旋转轴的末端固定有电极夹头10,电极夹头10所夹持电极与工作液槽9内的待加工器件间形成极间间隙,电气控制盒14用于给电极夹头10提供脉冲电压,并检测电极夹头10所夹持电极与工作液槽9内待加工器件间的极间电压,同时还用于控制直线步进电机1。One end of the column 3 is vertically fixed with a portable lightweight beam 2, and the other end is fixed on the workbench 8. The workbench 8 is provided with a working fluid tank 9, and the linear stepper motor 1 is fixed on the portable lightweight beam 2, and the linear The ball screw of the stepping motor 1 passes through the portable lightweight beam 2, the lower end of the ball screw is provided with a non-rigid connection ball head 12, and the side wall of the column 3 close to the working fluid tank 9 is provided with a guide rail 4, and ensures that the guide rail 4 Parallel to the ball screw of the linear stepping motor 1, the guide rail 4 is slidingly connected with the rotating motor fixing frame 6 through the slider 5, and the non-rigid connection ball head 12 is pressed on the upper surface of the upper fixing plate of the rotating motor fixing frame 6, and the elastic element 13 is clamped between the portable lightweight beam 2 and the upper fixing plate of the rotating motor fixing frame 6, and the rotating motor 11 is fixed on the lower fixing plate of the rotating motor fixing frame 6, and the rotating shaft of the rotating motor 11 passes through the rotating motor fixing frame 6, and the end of the rotating shaft of the rotating motor 11 is fixed with an electrode clamp 10, the electrode clamped by the electrode clamp 10 forms an inter-electrode gap with the device to be processed in the working fluid tank 9, and the electrical control box 14 It is used to provide pulse voltage to the electrode chuck 10, and to detect the inter-electrode voltage between the electrode clamped by the electrode chuck 10 and the device to be processed in the working fluid tank 9, and is also used to control the linear stepper motor 1.
本实施方式中,现有技术中的电蚀加工机床连接冗余,体积大,而本发明所述的便携式加工观测一体化微小型数控电蚀加工机床采用的器件少,且结构简单,体积小,便于携带;且本发明所述便携式加工观测一体化微小型数控电蚀加工机床采用新型伺服执行机构,即利用弹性元件13消除机械传动间隙,这种间隙主要有以下两种:In this embodiment, the electro-erosion machining machine tool in the prior art has redundant connections and a large volume, while the portable machining and observation integrated miniature numerical control electro-erosion machining machine tool of the present invention uses fewer devices, and has a simple structure and a small volume , easy to carry; and the portable processing and observation integrated miniature numerical control electric erosion machining machine tool of the present invention adopts a new type of servo actuator, that is, the elastic element 13 is used to eliminate the mechanical transmission gap, which mainly includes the following two types:
一、直线步进电机1内部通过丝杠将转子旋转运动转换成丝杠直线运动,因此丝杠与螺母间存在轴向间隙;1. The linear stepper motor 1 converts the rotational motion of the rotor into the linear motion of the screw through the screw, so there is an axial gap between the screw and the nut;
二、旋转电机固定架6的上固定板与非刚性连接球头12之间若无连接件将存在较大回程误差。2. If there is no connecting piece between the upper fixing plate of the rotating motor fixing frame 6 and the non-rigid connection ball head 12, there will be a large return error.
本发明将弹性元件13一端连接在便携轻量横梁2上,另一端连接在旋转电机固定架6上,在伺服进给中,弹性元件13始终对伺服执行机构施加向上拉力,因此可以有效消除丝杠轴向间隙及非刚性连接球头12与旋转电机固定架6之间回程误差,提高伺服响应精度。In the present invention, one end of the elastic element 13 is connected to the portable lightweight crossbeam 2, and the other end is connected to the rotating motor fixing frame 6. During the servo feeding, the elastic element 13 always exerts an upward pulling force on the servo actuator, so that the wire can be effectively eliminated. The axial clearance of the lever and the backstroke error between the non-rigid connection ball head 12 and the rotating motor fixing frame 6 improve the servo response accuracy.
本发明采用新型可消除直线步进电机1轴与导轨4轴之间平行度偏差所带来的伺服进给阻力的非刚性连接方式,即直线步进电机1与旋转电机固定架6顶面之间采用非刚性连接球头12,非刚性连接球头12与旋转电机固定架6的上固定板之间为点接触,机床由于零部件加工误差、安装误差最终表现为直线步进电机1轴与导轨4轴之间平行度误差,由于非刚性连接球头12可以有效的消除伺服进给过程中的伺服驱动电机轴与导轨轴之间平行度误差带来的伺服进给阻力,因此可以提高伺服响应速度与精度,同时降低所选直线步进电机的功率。The present invention adopts a new type of non-rigid connection method that can eliminate the servo feed resistance caused by the parallelism deviation between the 1st axis of the linear stepping motor and the 4th axis of the guide rail. The non-rigid connection ball head 12 is used between the non-rigid connection ball head 12 and the upper fixing plate of the rotating motor fixing frame 6 as a point contact. Due to the machining error of the parts and the installation error of the machine tool, the final performance of the linear stepping motor 1 axis and the The parallelism error between the 4 axes of the guide rail, because the non-rigid connection ball head 12 can effectively eliminate the servo feed resistance caused by the parallelism error between the servo drive motor shaft and the guide rail axis during the servo feed process, so the servo feed can be improved. Response speed and precision, while reducing the power of the selected linear stepper motor.
具体实施方式二:参见图1说明本实施方式,本实施方式与具体实施方式一所述的便携式加工观测一体化微小型数控电蚀加工机床的区别在于,它还包括视频及音频装置7,视频及音频装置7固定在导轨4所在的侧壁上,并位于导轨4的下方,Specific embodiment 2: Referring to Fig. 1 to illustrate this embodiment, the difference between this embodiment and the portable processing and observation integrated miniature numerical control electric erosion machine tool described in Specific Embodiment 1 is that it also includes a video and audio device 7, a video And the audio device 7 is fixed on the side wall where the guide rail 4 is located, and is located below the guide rail 4,
视频及音频装置7用于采集电极夹头10所夹持电极与工作液槽9的工作状态信息,并将采集的信息送至移动终端。The video and audio device 7 is used to collect the working state information of the electrode clamped by the electrode chuck 10 and the working fluid tank 9, and send the collected information to the mobile terminal.
本实施方式,通过视频及音频装置7对放电现象进行实时视频显示及音频监听,并送至移动终端,如计算机、平板、手机等,便于观测、监听与测量。In this embodiment, real-time video display and audio monitoring are performed on the discharge phenomenon through the video and audio device 7, and are sent to mobile terminals, such as computers, tablets, mobile phones, etc., to facilitate observation, monitoring and measurement.
具体实施方式三:参见图2说明本实施方式,本实施方式与具体实施方式一或二所述的便携式加工观测一体化微小型数控电蚀加工机床的区别在于,所述的电气控制盒14包括壳体、伺服检测模块14-1、伺服控制模块14-2、伺服驱动模块14-3和电源模块14-4,所述的伺服检测模块14-1、伺服控制模块14-2、伺服驱动模块14-3和电源模块14-4设置在壳体内,电源模块14-4用于给电极夹头10、伺服检测模块14-1、伺服控制模块14-2和伺服驱动模块14-3提供工作电源,Specific embodiment three: Referring to Fig. 2 to illustrate this embodiment, the difference between this embodiment and the portable processing and observation integrated miniature CNC electro-erosion machining machine described in the first or second specific embodiment is that the electric control box 14 includes Housing, servo detection module 14-1, servo control module 14-2, servo drive module 14-3 and power supply module 14-4, the servo detection module 14-1, servo control module 14-2, servo drive module 14-3 and the power module 14-4 are arranged in the housing, and the power module 14-4 is used to provide working power for the electrode chuck 10, the servo detection module 14-1, the servo control module 14-2 and the servo drive module 14-3 ,
伺服检测模块14-1用于检测极间电压,并将获得的极间电压数据发送给伺服控制模块14-2,伺服控制模块14-2用于根据接收到的数据产生直线步进电机控制信号发送给伺服驱动模块14-3,伺服驱动模块14-3用于根据接收到的直线步进电机控制信号产生直线步进电机驱动信号发送给直线步进电机1。The servo detection module 14-1 is used to detect the inter-pole voltage, and sends the obtained inter-pole voltage data to the servo control module 14-2, and the servo control module 14-2 is used to generate a linear stepping motor control signal according to the received data Send to the servo drive module 14 - 3 , the servo drive module 14 - 3 is used to generate a linear stepper motor drive signal according to the received linear stepper motor control signal and send it to the linear stepper motor 1 .
本实施方式中,伺服检测模块14-1检测极间电压,并将检测值送至伺服控制模块14-2,伺服控制模块14-2根据控制策略发送指令控制伺服驱动模块14-3,进而调节极间间隙大小,电源模块14-4为每个模块提供所需电源,并为机床加工提供脉冲电源。该新型电气控制盒14特点为模块化处理,每个模块之间独立存在,这种模块化处理方式便于将来对系统及机床功能结构进行扩展升级、模块更换及组合使用。In this embodiment, the servo detection module 14-1 detects the inter-electrode voltage, and sends the detection value to the servo control module 14-2, and the servo control module 14-2 sends instructions to control the servo drive module 14-3 according to the control strategy, and then adjusts Depending on the size of the inter-electrode gap, the power module 14-4 provides the required power for each module, and provides pulse power for machine tool processing. The new electrical control box 14 is characterized by modular processing, and each module exists independently. This modular processing method is convenient for future expansion and upgrade, module replacement and combined use of the system and the functional structure of the machine tool.
具体实施方式四:本实施方式与具体实施方式三所述的便携式加工观测一体化微小型数控电蚀加工机床的区别在于,所述的工作台8为XY两轴伺服进给功能平台,且电气控制盒14还用于控制XY两轴伺服进给功能平台运动。Embodiment 4: The difference between this embodiment and the portable processing and observation integrated miniature numerical control electric erosion machine tool described in Embodiment 3 is that the workbench 8 is an XY two-axis servo feed function platform, and the electrical The control box 14 is also used to control the movement of the XY two-axis servo feed function platform.
本实施方式中,工作台8可根据加工需要更换为具有XY两轴伺服进给功能的平台,由于采用模块化处理,仅需要在电气控制盒14中添加相应的伺服控制模块及伺服进给模块即可实现上述功能,便于机床结构功能的扩展,且模块之间的更换使用不影响其他模块的正常使用。In this embodiment, the workbench 8 can be replaced with a platform with XY two-axis servo feed function according to processing needs. Due to the modularization process, only the corresponding servo control module and servo feed module need to be added to the electrical control box 14 The above functions can be realized, which is convenient for the expansion of the structure and functions of the machine tool, and the replacement and use of modules will not affect the normal use of other modules.
具体实施方式五:本实施方式与具体实施方式三所述的便携式加工观测一体化微小型数控电蚀加工机床的区别在于,所述的电气控制盒14还包括数码管显示模块,该数码管显示模块嵌入在壳体的前表面,且数码管显示模块的信号输入端与伺服控制模块14-2的显示信号输出端连接。Embodiment 5: The difference between this embodiment and the portable processing and observation integrated miniature CNC electro-erosion machine tool described in Embodiment 3 is that the electrical control box 14 also includes a digital tube display module, and the digital tube displays The module is embedded in the front surface of the casing, and the signal input end of the nixie tube display module is connected with the display signal output end of the servo control module 14-2.
Claims (4)
- The most portable processing observation integration microminiature numerical control galvanic corrosion machining tool, it is characterised in that it includes miniature machine tool Body construction, servo feed mechanism, servo actuator, flexible member (13) and electric control box (14);Described miniature machine tool body construction includes portable light weight crossbeam (2), column (3), workbench (8), working solution Groove (9), guide rail (4) and slide block (5);Servo feed mechanism includes linear stepping motor (1) and non-rigid connecting ball head (12);Servo actuator includes electric rotating machine (11), terminal clamp (10) and electric rotating machine fixed mount (6);One end of column (3) is vertically and fixedly provided with portable light weight crossbeam (2), and its other end is fixed on workbench (8), work Station (8) is provided with work tank (9), and linear stepping motor (1) is fixed on portable light weight crossbeam (2), and straight line The ball-screw of motor (1) passes portable light weight crossbeam (2), and the lower end of ball-screw is provided with non-rigid connecting ball head (12), Column (3) is provided with guide rail (4) near the sidewall of work tank (9), and ensures guide rail (4) and linear stepping motor (1) Ball-screw parallel, guide rail (4) is slidably connected with electric rotating machine fixed mount (6) by slide block (5), non-rigid connection Bulb (12) is pressed in the upper surface of the upper mounted plate of electric rotating machine fixed mount (6), flexible member (13) clamping portable gently Between amount crossbeam (2) and the upper mounted plate of electric rotating machine fixed mount (6), on the bottom plate of electric rotating machine fixed mount (6) Being fixed with electric rotating machine (11), the rotary shaft of electric rotating machine (11) passes the bottom plate of electric rotating machine fixed mount (6), And the rotation the tip of the axis of electric rotating machine (11) is fixed with terminal clamp (10), electrode and work clamped by terminal clamp (10) Making to be formed between the device to be processed in liquid bath (9) pole clearance, electric control box (14) is for carrying to terminal clamp (10) For pulse voltage, and electrode clamped by detecting electrode chuck (10) is electric with the interpolar between device to be processed in work tank (9) Pressure, is additionally operable to control linear stepping motor (1) simultaneously.
- Portable processing the most according to claim 1 observation integration microminiature numerical control galvanic corrosion machining tool, its feature exists In, it also includes that video and audio devices (7), video and audio devices (7) are fixed on the sidewall at guide rail (4) place, And it is positioned at the lower section of guide rail (4),Video and audio devices (7) are for electrode clamped by acquisition electrode chuck (10) and the work shape of work tank (9) State information, and the information of collection is delivered to mobile terminal.
- Portable processing the most according to claim 1 and 2 observation integration microminiature numerical control galvanic corrosion machining tool, it is special Levy and be, described electric control box (14) include housing, servo detection module (14-1), servo control module (14-2), Servo-driven module (14-3) and power module (14-4), described servo detection module (14-1), servo control module (14-2), Servo-driven module (14-3) and power module (14-4) are arranged in housing, and power module (14-4) is for electrode holder Head (10), servo detection module (14-1), servo control module (14-2) and servo-driven module (14-3) provide work Power supply,Servo detection module (14-1) is used for detecting voltage across poles, and the voltage across poles data of acquisition are sent to SERVO CONTROL Module (14-2), servo control module (14-2) is sent out for producing linear stepping motor control signal according to the data received Giving servo-driven module (14-3), servo-driven module (14-3) is for controlling letter according to the linear stepping motor received Number produce linear stepping motor drive signal be sent to linear stepping motor (1).
- Portable processing the most according to claim 3 observation integration microminiature numerical control galvanic corrosion machining tool, its feature exists In, described electric control box (14) also includes numeral method module, and this numeral method Module-embedding is before housing Surface, and the signal input part of numeral method module is connected with the display signal output part of servo control module (14-2).
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