A piezoelectric micro-motion eccentrically rotatable cylindrical electrode micro-electromachining device and its processing method
An eccentric rotating, cylindrical electrode technology, used in electric machining equipment, machining electrodes, electrode manufacturing and other directions, can solve problems such as increasing machining costs, affecting workpiece machining accuracy, and complicated spiral electrode fabrication, achieving easy discharge, improving machining quality and The effect of machining accuracy
Active Publication Date: 2022-05-13
GUANGDONG UNIV OF TECH
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Problems solved by technology
This method can effectively discharge air bubbles and products, but the manufacturing of the spiral electrode is complicated, which increases the processing cost, and it is difficult to achieve the required verticality and coaxiality when using the cylindrical electrode to process the workpiece vertically, thus affecting Workpiece machining accuracy
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Embodiment
[0031] refer to Figure 1 to Figure 4 , this embodiment relates to a piezoelectric micro-moving eccentrically rotatable columnar electrode micro-electromachining device, including a base 1, a micro-electrolysis device 2 for electrolyzing a workpiece to be processed, and driving the micro-electrolysis device 2 to move and installed on the base 1 The driving device 3 is located under the micro electrolysis device 2 and is used to hold the liquid tank 4 of the electrolyte, and is located on one side of the liquid tank 4 and is fixedly installed on the base 1. The wire electrode spark grinding device 5; The micro electrolysis device 2 includes a first motor 21, a transmission mechanism 52, an electrode 53, a micro-movement disc 54, a piezoelectric ceramic 55 and a guide nozzle 56, and the rotating shaft of the first motor 21 is connected to the power input end of the transmission mechanism 52. connection, the electrode 53 and the micro-motion disk 54 are installed on the power out...
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The invention discloses a piezoelectric micro-motion and eccentrically rotatable columnar electrode micro-electric processing device, which includes a base, a micro-electrolysis device, a driving device and a wire electrode spark grinding device; the micro-electrolysis device includes a first motor and a transmission mechanism , electrode, micro-motion disc, piezoelectric ceramics and guide nozzle, the rotating shaft of the first motor is connected with the power input end of the transmission mechanism, and the electrode and the micro-motion disc are installed on the power output end of the transmission mechanism; the electrode The lower end of the piezoelectric ceramics protrudes from the guide nozzle, and the piezoelectric ceramic is installed on the micro-moving disc, and the power output end of the piezoelectric ceramic is connected with the guide nozzle to drive the lower end of the guide nozzle and the electrode to move, forming a dynamic eccentric rotating electrode processing structure . The present invention controls the eccentricity of the electrodes through the piezoelectric ceramics and the micro-movement disk to adjust the processing gap to change the flow field of the working medium, making it easier to discharge air bubbles and products, and improving the processing quality and processing accuracy of the workpiece.
Description
technical field [0001] The invention relates to an electrode micro-electric processing device and a processing method thereof, in particular to a piezoelectric micro-movement eccentrically rotatable cylindrical electrode micro-electric processing device and a processing method thereof. Background technique [0002] In the conventional micro-electromachining (electrolysis, EDM) processing methods, the columnar electrode is usually used as the tool cathode to process the workpiece anode; during processing, the products and bubbles generated are important factors affecting the processing quality. The drilling and milling method of micro electric machining is to add a certain rotation speed to the columnar electrode of the tool to change the flow field of the working medium (liquid), and then achieve the purpose of promoting the discharge of air bubbles and products. A smaller machining gap can achieve better machining accuracy but it is more difficult to remove products. A larg...
Claims
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IPC IPC(8): B23H1/04B23H3/04
CPCB23H1/04B23H3/04
Inventor 刘桂贤李志超马世赫周佐霖林艳邦
Owner GUANGDONG UNIV OF TECH