Workpiece spindle unit of electrochemical grinding machine tool
A technology of workpiece spindle and electrolytic grinding, which is applied in the direction of electric processing equipment, manufacturing tools, metal processing equipment, etc., can solve the problems of metal loss of activity and hinder the reaction of workpiece electrolytic dissolution, etc., and achieve convenient clamping, reliable power supply, and precision The effect of rotation
Inactive Publication Date: 2014-07-23
DALIAN UNIV OF TECH
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Problems solved by technology
When the power is turned on, the electrolytic dissolution reaction will occur on the surface of the workpiece, but the passivation film formed on the surface is adsorbed on the surface of the workpiece, which makes the metal inactive and hinders the electrolytic dissolution reaction of the workpiece
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[0017] The specific implementation of the present invention will be described in detail below in combination with the technical scheme and accompanying drawings: The technical problem to be solved by the present invention is to provide a spindle unit for electrolytic grinding machine tools that can realize reliable workpiece clamping, stable power supply and precise rotation. This kind of workpiece spindle unit is installed in the bed head box of the electrolytic grinding machine tool. The spindle unit is composed of power feeding device, workpiece clamping component and transmission device component. figure 1 , 2 shown.
[0018] When the spindle unit is working, the workpiece 13 is powered on first, and then the servo motor 22 is turned on to realize the rotary motion of the workpiece. During the processing, the transmission of large current is mainly completed through the conductive copper shaft 11 made of special copper. The left end of the conductive copper shaft 11 is s...
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The invention provides a workpiece spindle unit of an electrochemical grinding machine tool, belongs to the field of workpiece spindles of non-traditional machine tools and relates to a workpiece spindle unit structure of the electrochemical grinding machine tool. The workpiece spindle unit is installed in a headstock of the electrochemical grinding machine tool. The workpiece spindle unit is composed of a power supply device, a workpiece clamping assembly and a transmission device assembly. In the power supply device, three slots are evenly distributed in the right end of a conductive copper shaft, threaded holes are drilled close to the slots, and three identical copper elastic conductive reeds are fixed into the threaded holes through compression screws. In the workpiece clamping assembly, the three conductive reeds are installed at the right end of the conductive copper shaft through the compression screws, and the three conductive reeds are aligned with and attached to three clamping jaws of a chuck respectively. The workpiece spindle unit provided for the electrochemical grinding machine tool has the advantages that power supply is reliable and stable, clamping is convenient, and rotation is precise and has an important significance in guaranteeing the high efficiency and stable operation of electrochemical grinding machining.
Description
technical field [0001] The invention belongs to the field of a workpiece spindle of a special processing machine tool, and relates to a unit structure of the workpiece spindle of an electrolytic grinding machine tool. technical background [0002] Electrolytic grinding is a compound processing technology combining electrolysis and mechanical grinding. It is suitable for processing various high-strength, high-hardness, heat-sensitive, brittle and other difficult-to-grind metal materials, such as cemented carbide, high-speed steel, titanium Alloy, stainless steel, nickel-based alloy and magnetic steel, etc. Its efficiency is generally higher than that of mechanical grinding, and the wear of the grinding wheel is low, and the surface of the processed workpiece will not produce defects such as grinding burns, cracks, residual stress, processed metamorphic layers, and burrs. When grinding, the workpiece and the conductive grinding wheel are in phase with the positive and negativ...
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IPC IPC(8): B23H5/08B23H11/00
Inventor 戴恒震孙元普李志勇金洙吉
Owner DALIAN UNIV OF TECH