Electrode rotating and clamping device for electrosparking of insulating ceramic coated metal

A technology of insulating ceramics and clamping devices, which is applied in the field of electric discharge machining and forming, can solve the problems such as the inability to use oil-based working fluid, and achieve the effect of meeting the requirements of coaxiality, good compressibility and elongation, and stable rotation

Active Publication Date: 2013-12-18
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the electrode rotation and clamping device on the EDM machine tool is only suitable for water-based working fluid and cannot be used in oil-based working fluid in the current electrical discharge machining of insulating ceramic coating metal, and further provides An electrode rotation and clamping device for electric discharge machining of insulating ceramic coated metal

Method used

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  • Electrode rotating and clamping device for electrosparking of insulating ceramic coated metal
  • Electrode rotating and clamping device for electrosparking of insulating ceramic coated metal
  • Electrode rotating and clamping device for electrosparking of insulating ceramic coated metal

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specific Embodiment approach 1

[0017] Specific implementation mode one: Such as Figure 1-3 As shown, an electrode rotation and clamping device for insulating ceramic coating metal electric discharge machining, the electrode rotation and clamping device includes an electrode rotation device 2, an insulating substrate 3, an electrode clamping device 5, a fixed block 8, Synchronous belt transmission mechanism 9, DC deceleration motor 10 and electrode 12, electrode 12 adopts hollow tubular electrode, described electrode rotation device 2 includes pressure oil interface 13, upper end cover 14, spring 15, sealing block 16, sealing assembly 17, upper Bearing 18, base body 19, lower bearing 20, lower end cover 21, brush holder 22 and hollow shaft 23, the electrode clamping device 5 includes upper pressing cover 25, lower pressing cover 27, sealing plug 30, O-shaped The sealing ring 28, the taper connecting shaft 29 and the drill chuck 31, the first shaft hole and the second shaft hole are arranged on the insulat...

specific Embodiment approach 2

[0020] Specific implementation mode two: Such as figure 2 As shown in the specific embodiment 1, an electrode rotation and clamping device for electrical discharge machining of insulating ceramic coated metal, the taper of the conical surface of the positioning section 23-3 is 1:5.

specific Embodiment approach 3

[0021] Specific implementation mode three: Such as image 3 As shown in the specific embodiment 1 or 2, an electrode rotation and clamping device for electric discharge machining of insulating ceramic coated metal, the lower end surface of the upper pressing cover 25 is located at the end of the first shoulder hole 25-2. The edge is processed with a ring groove 25-3 that is conveniently positioned with the lower compression cover 27 to the center.

[0022] working principle: The electrode rotating device 2 provides the rotating movement of the electrode, and the sealing assembly 17 in it can prevent the leakage of pressure oil when the electrode 12 is flushed, and supplies power to the rotating electrode 12 through the brush holder 22 on the side. The electrode clamping device 5 provides clamping of the electrode 12 , and the electrode 12 is driven to rotate through the electrode rotating device 2 . The epoxy resin insulating substrate 3 has good insulating performance, a...

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Abstract

The invention discloses an electrode rotating and clamping device for electrosparking of insulating ceramic coated metal, belongs to the field of electrosparking and forming technique, and solves the problem that the electrode rotating and clamping device on an EDM machine tool can not be used in an oil base working solution in the present electrosparking of the insulating ceramic coated metal. The working solution is the oil base working solution; a synchronous belt drive mechanism is connected with a DC gear motor and an electrode slewer; the positioning section of the hollow shaft of the electrode slewer is mounted in the circular truncated conical hole of the taper connecting shaft of an electrode clamping device in a matched manner; the electrode clamping device clamps an electrode and drives the electrode to rotate; the high-pressure working solution provided by an oil supply pipeline is erupted from the lower end of the electrode through the electrode; an insulation baseplate is connected with a fixed block; the fixed block is connected with the main shaft of the EDM machine tool; the main shaft of the EDM machine tool enables the whole electrode rotating and clamping device to move in the vertical direction. The electrode rotating and clamping device for electrosparking of the insulating ceramic coated metal can realize rotation of the tubular electrode and inner solution flushing of the oil base working solution during the electrosparking of the insulating ceramic coated metal.

Description

technical field [0001] The invention relates to an electrode rotation and clamping device for metal electric discharge machining, belonging to the technical field of electric discharge machining and forming. Background technique [0002] Coating insulating ceramic coatings on the metal surface can improve the high temperature resistance and corrosion resistance of metal materials, but because insulating ceramics are hard, brittle and non-conductive, they cannot be processed by traditional machining methods and ordinary EDM methods , the high-quality and high-speed machining of insulating ceramic-coated metals can be achieved by using the self-induction-inner flushing liquid EDM method. The characteristic of this processing method is that on the electric discharge forming machine tool, the tubular electrode rotates around its own axis, the high-pressure working fluid is sprayed from the inner hole of the electrode, and the scouring of the working fluid plays a good role in ch...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H7/26B23H9/16
Inventor 郭永丰张国伟葛世祥侯朋举王力马鑫磊凌泽斌
Owner HARBIN INST OF TECH
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