Sliding plate rotary disc locking mechanism for gear hobbing machine for annular heavy drilling production

Abstract

The invention discloses a sliding plate rotary disc locking mechanism for a gear hobbing machine for annular heavy drilling production. The sliding plate rotary disc locking mechanism comprises a toolrest base, a fixing table and a fixing pipe are sequentially arranged at the top end of the tool rest base, a bearing is fixedly connected to the bottom face of the fixing pipe, and a gear is rotationally connected to the outer side of the bearing; three threaded rods are fixedly connected to the inner wall of the fixing pipe, double-sided racks are in threaded connection with the outer sides ofthe threaded rods, planar racks are meshed with the top surfaces of the double-sided racks, and the bearings are meshed with the double-sided racks; and the tail end of one threaded rod penetrates through the fixing pipe, the tail end of the threaded rod extends to the outer side of the fixing pipe, and the tail end of the threaded rod is fixedly connected with a fixed block. Through additionallyarranging the gear and the double-sided racks, under the condition that a workpiece to be machined rotates at a high speed, displacement cannot be generated, the workpiece cannot slide down due to toolarge centrifugal force, the stability of the workpiece to be machined is improved, and the machining precision, the yield and the machining safety are improved.

Description

technical field [0001] The invention relates to the field of mechanical manufacturing, in particular to a sliding plate turntable locking mechanism for gear hobbing machines used in the production of ring heavy drills. Background technique [0002] Gear hobbing machine is the most widely used machine tool among gear processing machine tools. It can cut straight teeth and helical cylindrical gears, and can also process worm gears and sprockets. Use hobs to process straight teeth, helical gears and Gear processing machine tools for herringbone spur gears and worm gears. When the gear hobbing machine is working, it is also necessary to use the tool holder. [0003] However, the existing turret table cannot directly fix the workpiece to be processed, and its stability is poor. During grinding and milling, the workpiece to be processed that rotates at high speed may slip directly from the turret table, resulting in failure of grinding and milling, and reducing the quality of the...

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the deficiencies of the prior art, the present invention provides a locking mechanism for a sliding plate turntable used in hobbing machines for ring heavy drilling, which can fasten the workpiece to be processed, and can solve the problem of poor stability of the existing tool rest table during the grinding process. During milling, the workpiece to be processed that rotates at high speed may slip directly from the tool holder platform, resulting in failure of grinding and milling, which reduces the technical problem of the yield rate of gear hobbing machining

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