Rotary table for numerical control floor type boring miller

Abstract

The invention relates to a rotary table for a numerical control floor type boring miller. The rotary table comprises a rotary slide base, and a core shaft and a table top which are installed on the rotary slide base. The table top is installed on the rotary slide base through the core shaft; the rotary slide base is connected with a lead screw transmission mechanism used for driving the rotary slide base to move; a double-gear anti-backlash rotary mechanism is arranged between the rotary slide base and the table top, and is used for driving the table top to rotate; a rotary centering mechanism is arranged at the center of the table top, and comprises a two-line tapered roller bearing and a taper sleeve sheathed on the two-line tapered roller bearing; and the two-line tapered roller bearing is sheathed on the core shaft. The rotary table has the advantages that a backlash does not exist when the rotary slide base moves, so that the movement accuracy is high; and the backlash does not exist when the table top rotates, the rotary centering mechanism can guarantee the good centering performance of the rotary table when the load is large, the problem of rotary eccentricity is effectively solved, and the rotary table is positioned through a positioning air cylinder, so that the positioning performance of the table top is further guaranteed.

Description

technical field [0001] The invention relates to a numerically controlled floor type boring and milling machine, in particular to a rotary table for a numerically controlled floor type boring and milling machine. Background technique [0002] At present, domestic CNC floor-type boring and milling machines are generally equipped with floor-standing work platforms, and a few boring and milling machines are also equipped with rotary worktables. Most of the existing rotary tables are driven by worm gears, manually locked, the angle is measured by a ruler, and the angle is manually adjusted. It is difficult to ensure the rotation accuracy of the equipment, and the degree of automation is affected, thereby affecting the work efficiency and the processing accuracy of the equipment. Numerical control equipment The function can not be brought into full play either. At the same time, the center positioning structure arranged on the rotary table causes inconvenient equipment installati...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a rotary table for CNC floor-type boring and milling machine with convenient installation, good centering and high precision in view of the above-mentioned shortcomings such as inconvenient installation and poor centering accuracy of the existing floor-type boring and milling machine rotary table

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