Rotary table structure for precision finishing machine
A technology of precision machining and turntable, applied in metal processing machinery parts, metal processing equipment, manufacturing tools, etc., can solve the problems of poor accuracy and stability, difficult installation of machine tool turntable components, etc.
Inactive Publication Date: 2013-12-11
XI AN JIAOTONG UNIV
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[0008] The purpose of this invention is to solve the current problems of difficult installation, poor precision and stability of machine tool turntable components in China
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[0013] The structure and working principle of the turntable for the precision machining machine tool will be described below in conjunction with the accompanying drawings. Example 1, see figure 1 , 1 is the end cover of the turntable, 2 is the turntable, 3 is the flow controller block, 4 is the static pressure plate on the turntable, 5 is the central axis of the turntable, 6 is the turntable seat, 7 is the encoder, 8 is the static pressure plate under the turntable , 9 is the rotor installation shaft, 10 is the torque motor, 11 is the flange plate at the bottom of the turntable, and 12 is the encoder stator connection plate.
[0014] Working principle: The entire turntable component, through the flow controller block (18 pieces), inputs a certain pressure of lubricating oil into the static pressure chamber of the static pressure plate 4 on the turntable, and the stroke between the turntable central axis 5 bears the oil film and has a certain bearing capacity. , the central ax...
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The invention relates to a rotary table structure for a precision finishing machine, belonging to the field of advanced manufacturing. The rotary table structure for the precision finishing machine is an improvement on a rotary table structure of the traditional finishing machine. In the invention, on the structural design of a rotary table an idea of modularization design is applied, and an integral rotary table part is arranged on a slide carriage through a rotary table base; on a driving control manner of the rotary table, a moment motor is adopted for direct driving, a transmission chain is shortened, and the high-accuracy angular displacement feedback is realized by adopting a high-accuracy encoder; and on a guide rail form of the rotary table, a liquid hydrostatic guide rail form is adopted by matching with upper and lower hydrostatic discs and a large-caliber center shaft of the rotary table. The rotary table for the precision finishing machine has the advantages of convenience, easiness and effectiveness for installation and high accuracy, rigidity and stability of work.
Description
technical field [0001] The invention belongs to the field of advanced manufacturing, and is an improvement and innovation of the traditional turntable structure for machine tools. By applying the improved turntable structure, the modular installation of the turntable can be realized, and the working requirements of high precision, high rigidity and high stability of the turntable can be guaranteed. Background technique [0002] The working principle of the hydrostatic turntable: the lubricating oil with a certain pressure is input into the oil chamber on the mating surface of the static pressure plate through the oil hole, and the bearing pressure can be formed to float the central axis of the turntable and make the central axis of the turntable A bearing oil film is formed between the mating surfaces of the static pressure plate and the mating surfaces are in a state of pure liquid friction. Its main features are: [0003] 1) The central axis of the turntable and the matc...
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IPC IPC(8): B23Q1/38
Inventor 赵惠英陈伟赵则祥崔殿龙路洪伦刘金波李金明乔雪涛陈健龙李彬席建普任东旭李焕梁颖娄云鸽郭艳婕刘志华张会连
Owner XI AN JIAOTONG UNIV