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Eccentric mechanism used on working table of vertical grinder

A technology of vertical grinding machine and eccentric mechanism, which is applied to grinding machines, mechanical equipment, manufacturing tools, etc., can solve the problems of high cost and high dynamic response performance requirements of machine tools, and achieves convenient adjustment of eccentricity, easy accurate control, and large transmission ratio. Effect

Active Publication Date: 2015-06-17
XINXIANG SUNRISE CNC BEARING EQUIP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method requires the CNC system of the machine tool to have a linkage function, which has high requirements for the overall dynamic response performance of the machine tool, and the cost is also high

Method used

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  • Eccentric mechanism used on working table of vertical grinder
  • Eccentric mechanism used on working table of vertical grinder

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Embodiment Construction

[0007] Embodiments are described in detail in conjunction with the above accompanying drawings, see figure 1 with figure 2 , the rotating shaft 4 is installed on the worktable 1, the bearing 3 is assembled on the rotating shaft, the eccentric turntable 2 is installed on the worktable to cooperate with the outer ring of the bearing, there is a certain distance between the rotation axis of the worktable and the center of the eccentric turntable, and the worm wheel 5 is fixed on the eccentric turntable 2 Inside, the worm 6 is installed on the workbench 1 to mesh with the worm wheel, and the disc spring 7 is installed in the arc groove of the eccentric turntable. The disc spring and the eccentric turntable are fixed on the workbench by screws, and the eccentric turntable is driven by the rotation of the worm. The center makes a swinging motion.

[0008] The worm wheel 5 is driven to rotate by turning the worm 6 , and driven by the worm wheel 5 , the eccentric turntable 2 rotates...

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Abstract

The invention discloses an eccentric mechanism used on a working table of a vertical grinder, which comprises a working table, wherein a rotating shaft is installed on the working table, a bearing is assembled on the rotating shaft, an eccentric rotary table is installed on the working table and matched with a bearing outer ring, a worm gear is installed in the eccentric rotary table, a worm is assembled on the working table and meshed with the worm gear, and a disc spring is installed in a circular arc shaped groove of the eccentric rotary table; and the disc spring and the eccentric rotary table are connected together with the working table through screws. As the worm gear and worm drive mode is adopted, the accurate control of eccentricity is easy to realize; the rotating shaft is supported through a preloaded bearing during the assembly, and not only the high rotation accuracy of the eccentric rotary table is ensured, but also zero clearance in the rotating shaft of the eccentric rotary table is ensured, so that the stability and the accuracy in eccentric adjustment are ensured; and as the eccentric rotary table is fixed on the working table through the preloaded bearing and the disc spring, the eccentricity during the machining process is more convenient to adjust.

Description

Technical field: [0001] The invention relates to an eccentric mechanism, which is especially suitable for use on a numerical control vertical grinding machine. Background technique: [0002] Eccentric sleeves are commonly used in eccentric bearings, reducers and other machinery. In order to improve mechanical precision, eccentric sleeves are mostly processed by grinding in recent years. At present, there are two ways to grind and process eccentric sleeves: eccentric tooling, worktable and feed shaft linkage, using eccentric tooling, it is impossible to process two eccentric circles in one clamping, the efficiency is low, and the accuracy is average. Another type of table uses a direct drive motor to process one of the circles in linkage with the feed axis. This method requires the CNC system of the machine tool to have a linkage function, which has higher requirements on the dynamic response performance of the machine tool as a whole, and the cost is also higher. There...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B27/00F16H1/16
Inventor 张占锋刘阳齐静敏刘跃新曹保亮
Owner XINXIANG SUNRISE CNC BEARING EQUIP
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