CN205129105U - Fine high -efficient processingequipment towards electrically conductive hard brittle material of non - - Google Patents
Fine high -efficient processingequipment towards electrically conductive hard brittle material of non - Download PDFInfo
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- CN205129105U CN205129105U CN201520829416.4U CN201520829416U CN205129105U CN 205129105 U CN205129105 U CN 205129105U CN 201520829416 U CN201520829416 U CN 201520829416U CN 205129105 U CN205129105 U CN 205129105U
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- ultrasonic vibration
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Abstract
The utility model belongs to compound micro machining field discloses a fine high -efficient processingequipment towards electrically conductive hard brittle material of non -. The utility model discloses a lathe lathe bed, electrolysis - spark -erosion machining unit, ultrasonic vibration workstation and feed the workstation, since spiral tool electrode's the high -speed rotation and the ultrasonic vibration of work piece, the high -efficient electrolyte that updates of interstitial flow field energy. The utility model discloses the processing method organic such as mill ultrasonic vibration, electrolysis, electric spark, high -speed boring and combine together, accomplish the processing of the electrically conductive micro -structure of non -, during soon work piece, tool electrode and auxiliary electrode ingressed electrolyte, auxiliary electrode and tool electrode emergence electrolytic reaction connect the surperficial liberation of hydrogen of tool electrode of negative pole to form the insulation air film, and ultrasonic vibration's cavitation is favorable to the production and the homogenization of tool electrode surface air film, and with man -hour, tool electrode and workpiece surface's electrolyte auxiliary electrode 0 bubble chamber film is only if the high temperature that produces loses electrically conductive work piece material from this. Have high efficiency, high accuracy and advantage such as with low costs, the micro machining of the electrically conductive hard brittle material of especially adapted non -.
Description
Technical field
The utility model belongs to combined micro-machining field, relates to a kind of fine highly-efficient processing device towards non-conductive hard brittle material.
Background technology
The microfabrication of the difficult-to-machine materials such as hard brittle material has tradition processing and the large class of special processing technology two.Tradition machining commonly uses the processing methods such as diamond turning, accurate grinding and precise finiss, but is often difficult to obtain good processing effect when tradition is machined in processing hard brittle material, the process-cycle and production cost high; Residual stress and micro-crack often make the part rejection after processing.The special process has unique advantage in micro-fine finishining, the advantage such as not affecting, residual stress is little, tool loss is little by workpiece hardness makes it be particularly suitable for the microfabrication of hard brittle material, and thus the microfabrication of hard brittle material often uses the special process or Compound Machining.
The special processing technology of hard brittle material uses micro EDM, electrochemical micromachining, auxiliary electrode spark machined, fine laser beam to process and fine Ultrasonic machining usually, or adopt the fine Compound Machining etc. that multiple processing unit (plant) combines, these processing modes play an important role in the microfabrication of hard brittle material, but also have certain limitation.Fine electric spark and electrochemical micromachining hard brittle material all require that workpiece conducts electricity, and working (machining) efficiency is not high, and working solution or electrolyte upgrade slowly, and chip removal efficiency is low; Although auxiliary electrode spark machined can process non-conductive hard brittle material, its chip removal difficulty, working (machining) efficiency is not high; Fine Ultrasonic machining is lower for the materials processing efficiency that hardness is high, and precision is not high.
The Chinese invention patent that publication number is " CN1400077A " discloses a kind of manufacture method and Hydrodynamic bearing apparatus of Hydrodynamic bearing apparatus, its content utilizes ultrasonic wave vibration generating arrangement to give ultrasonic wave vibrational excitation to electrolyte to carry out Electrolyzed Processing, and machining accuracy is good.This patent is of limited application, and is mainly used in the high accuracy Pocket Machining of hydrodynamic bearing, is difficult to the microfabrication realizing part; On the other hand because of its processing and utilization electrolysis principle, require that workpiece conducts electricity, limit and promote the use of.
The Chinese patent that publication number is " CN101972874A " discloses a kind of electrolysis electric spark machine combined micro-machining device and processing method thereof, its content utilizes machined electrode and non-conductive workpiece to be processed can the feature of physical contact, introduce machining, become a kind of new electrolysis electric spark machine combined micro-machining, but this processing method still exists macroscopical cutting force, easily produce micro-crack and thermal stress.
Summary of the invention
The purpose of this utility model is the deficiency overcoming the existence of above-mentioned prior art, provides a kind of fine highly-efficient processing device towards non-conductive hard brittle material.
The utility model is achieved through the following technical solutions.
Towards a fine highly-efficient processing device for non-conductive hard brittle material, comprise bed piece, electrolysis-spark machined unit, ultrasonic vibration workbench and Feed table; Feed table is arranged on bed piece, and ultrasonic vibration platform is fixedly connected on Feed table, and workpiece is fixed on ultrasonic vibration platform; Electrolysis-spark machined unit comprises main shaft, tool-electrode, auxiliary electrode, electrolysis-electric spark power supply, and main shaft is placed perpendicular to ultrasonic vibration platform; Ultrasonic vibration workbench comprises ultrasonic power, ultrasonic transducer, ultrasonic transformer and vibrating disk; It is characterized in that: Feed table has X and Y two frees degree, and main shaft has the movement of Z-direction; Ultrasonic vibration workbench is fixedly connected with workpiece, and ultrasonic vibration is passed to workpiece, drives workpiece axially to carry out ultrasonic vibration along main shaft; Main shaft adopts electro spindle, and rotating speed is 0-50000r/min.
The utility model by fine ultrasonic wave added electrolysis-spark machined organic composite together, rely on the bubble that tool-electrode and auxiliary electrode electrolysis produce, and act on the uniform air film of formation by the cavitation etc. of workpiece ultrasonic vibration, the electrolyte discharge breakdown air film of tool-electrode and surface of the work, reaches the object removing workpiece material; The High Rotation Speed of tool-electrode effectively accelerates the renewal of electrolyte and the eliminating of elaboration products, the supersonic frequency vibration of workpiece makes bubble homogenising around tool-electrode, and energy Optimization gap electric field, make process more stable, while significantly improving working (machining) efficiency, reduce production cost, effectively improve machining accuracy and surface quality.
Accompanying drawing explanation
Fig. 1 is apparatus of the present invention schematic diagram;
Fig. 2 is that workpiece ultrasonic vibration of the present invention is to the effect diagram of bubble distribution.
In figure: 1-main shaft, 2-tool-electrode, 3-electrolyte, 4-workpiece, 5-vibrating disk, 6-ultrasonic transformer, 7-ultrasonic transducer, 8-Feed table, 9-ultrasonic power, 10-auxiliary electrode, 11-electrolysis-electric spark power supply, 12-current sensor, 13-digital storage oscilloscope, 14-computer for controlling.
Detailed description of the invention
Three most preferred embodiments of the present invention are provided below in conjunction with accompanying drawing.
Embodiment one:
Towards a fine highly-efficient processing device for non-conductive hard brittle material, comprise electrolysis-spark machined unit, ultrasonic vibration workbench and Feed table etc.Electrolysis-electric spark unit is made up of main shaft 1, tool-electrode 2, electrolyte 3, workpiece 4, Feed table 8, auxiliary electrode 10 and electrolysis-electric spark power supply 11; Wherein tool-electrode 2, auxiliary electrode 10 and workpiece 4 are immersed in electrolyte 3; Tool-electrode 2 connects the negative pole of power supply, and auxiliary electrode 10 connects positive source; Main shaft 1 has the displacement of Z-direction, and can High Rotation Speed, and Feed table 8 can realize displacement and the rotation of X and Y two aspects.Ultrasonic vibration workbench comprises ultrasonic power 9, ultrasonic transducer 7, ultrasonic transformer 6 and vibrating disk 5; Wherein workpiece 4 is fixed on vibrating disk 5 by precision bolt, and vibrating disk 5 uses precision bolt to be connected with ultrasonic transformer 6; Ultrasonic power 9 sends signal, through ultrasonic transducer 7, the signal of telecommunication is transformed into mechanical oscillation, then amplifies through ultrasonic transformer 6, ultrasonic vibration is passed to vibrating disk 5 and workpiece 4.The control of electrolysis-spark machined unit and ultrasonic vibration shaking table, the feed motion in process, the adjustment of the speed of mainshaft, the start-up time of ultrasonic vibration etc. control by computer for controlling 14.Man-hour is added to non-conductive hard brittle material, non-conductive workpiece 4 does ultrasonic vibration along main shaft 1 direction, electrolysis-electric spark power supply 11 adopts direct current high frequency pulse power supply, first there is cell reaction in tool-electrode 2 and auxiliary electrode 10 in electrolyte 3, and tool-electrode 2 adopts tungsten pin, what electrolyte 3 adopted is 20% potassium hydroxide solution, tool-electrode 2 surrounding separates out hydrogen, form bubble hydrogen, the ultrasonic vibration of workpiece 4 makes the bubble distribution homogenising around tool-electrode 2, forms the air film of consistency of thickness; Due to obstruct, the insulation of air film, form discharge channel between the electrolyte on tool-electrode 2 and workpiece 4 surface and puncture bubble chamber film, workpiece material is removed workpiece material in modes such as gasification, fusings by instantaneous high temperature, the High Rotation Speed of spiral tool electrode 2 and the ultrasonic vibration of workpiece 4 drive the quick renewal of electrolyte 3, and then chip removal is accelerated greatly, reduce and block, substantially increase working (machining) efficiency and crudy.
Reflect in Fig. 2, the ultrasonic vibration of workpiece 4 is for the impact of tool-electrode 2 surrounding bubble distribution.When workpiece 4 does not vibrate, bubble distribution is at random, uneven, and some local bubble is few, and some places bubble is many, brings impact to processing; During workpiece 4 ultrasonic vibration, bubble is evenly distributed around tool-electrode 2, forms air film, is conducive to follow-up process.
Embodiment two:
Electrolysis-electric spark power supply 11 adopts direct current pulse power source, and electrolyte 3 adopts sodium hydroxide solution, and other are as example one.
Embodiment three:
Tool-electrode 2 adopts draw point, and ultrasonic transformer 6 all adopts to be adhesively fixed with vibrating disk 5, between vibrating disk 5 with workpiece 4 and is connected, and other are as example one.
The utility model has the high accuracy of low-voltage discharge, also can obtain the advantages such as good surface quality; The ultrasonic vibration of workpiece and the High Rotation Speed of screw electrode, substantially increase working (machining) efficiency; Especially be applicable to the microfabrication of non-conductive hard brittle material, be conducive to improving machining accuracy and surface quality, can adapt to produce in enormous quantities.
Claims (1)
1., towards a fine highly-efficient processing device for non-conductive hard brittle material, comprise bed piece, electrolysis-spark machined unit, ultrasonic vibration workbench and Feed table (8); Feed table is arranged on bed piece, and ultrasonic vibration platform is fixedly connected on Feed table (8), and workpiece (4) is fixed on ultrasonic vibration platform; Electrolysis-spark machined unit comprises main shaft (1), tool-electrode (2), auxiliary electrode (10), electrolysis-electric spark power supply (11), and main shaft (1) is placed perpendicular to ultrasonic vibration platform; Ultrasonic vibration workbench comprises ultrasonic power (9), ultrasonic transducer (7), ultrasonic transformer (6) and vibrating disk (5); It is characterized in that: Feed table (8) has X and Y two frees degree, and main shaft (1) has the movement of Z-direction; Ultrasonic vibration workbench is fixedly connected with workpiece (4), ultrasonic vibration is passed to workpiece (4), drives workpiece (4) axially to carry out ultrasonic vibration along main shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520829416.4U CN205129105U (en) | 2015-10-23 | 2015-10-23 | Fine high -efficient processingequipment towards electrically conductive hard brittle material of non - |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520829416.4U CN205129105U (en) | 2015-10-23 | 2015-10-23 | Fine high -efficient processingequipment towards electrically conductive hard brittle material of non - |
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| Publication Number | Publication Date |
|---|---|
| CN205129105U true CN205129105U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520829416.4U Expired - Fee Related CN205129105U (en) | 2015-10-23 | 2015-10-23 | Fine high -efficient processingequipment towards electrically conductive hard brittle material of non - |
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| Country | Link |
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| CN (1) | CN205129105U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215487A (en) * | 2015-10-23 | 2016-01-06 | 山东大学 | A kind of fine high-efficiency machining method towards non-conductive hard brittle material and device |
| CN106965331A (en) * | 2017-04-14 | 2017-07-21 | 沈阳远大科技园有限公司 | A kind of ultrasonic wave added processing unit (plant) |
| CN107031105A (en) * | 2017-03-07 | 2017-08-11 | 中国科学院声学研究所东海研究站 | A kind of ultrasonic vibration ageing device for being applied to eliminate powder compact stress |
| CN108890056A (en) * | 2018-06-21 | 2018-11-27 | 西安理工大学 | Hard brittle material deep hole drilling apparatus and method based on pulse feature spark discharge |
| CN113386445A (en) * | 2021-06-16 | 2021-09-14 | 海南海玻工程玻璃有限公司 | Device and method for processing laminated glass |
-
2015
- 2015-10-23 CN CN201520829416.4U patent/CN205129105U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215487A (en) * | 2015-10-23 | 2016-01-06 | 山东大学 | A kind of fine high-efficiency machining method towards non-conductive hard brittle material and device |
| CN107031105A (en) * | 2017-03-07 | 2017-08-11 | 中国科学院声学研究所东海研究站 | A kind of ultrasonic vibration ageing device for being applied to eliminate powder compact stress |
| CN107031105B (en) * | 2017-03-07 | 2018-10-26 | 中国科学院声学研究所东海研究站 | A kind of ultrasonic vibration ageing device being suitable for eliminating powder compact stress |
| CN106965331A (en) * | 2017-04-14 | 2017-07-21 | 沈阳远大科技园有限公司 | A kind of ultrasonic wave added processing unit (plant) |
| CN108890056A (en) * | 2018-06-21 | 2018-11-27 | 西安理工大学 | Hard brittle material deep hole drilling apparatus and method based on pulse feature spark discharge |
| CN113386445A (en) * | 2021-06-16 | 2021-09-14 | 海南海玻工程玻璃有限公司 | Device and method for processing laminated glass |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20171023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |