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Superfine grinding oscillation mechanism

An oscillating mechanism and fine grinding technology, applied in the field of grinding processing, can solve the problems of aggravating the oscillation instability, unable to achieve a smooth transition of the end stroke of the reciprocating motion, and aggravating the instability without mass balance.

Active Publication Date: 2012-01-25
XINXIANG SUNRISE CNC BEARING EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This traditional oscillating mechanism has the following disadvantages: 1. Once the eccentricity is determined, the oscillating characteristics cannot be changed, so it is impossible to achieve a smooth transition at the end of the reciprocating motion; 2. Due to the high-speed rotation of the eccentric shaft, the strong centrifugal force further It aggravates the instability of the entire oscillation; 3. Due to the high-frequency reciprocating motion of the ram and the absence of mass balance, the instability will also be aggravated
Therefore, it cannot meet the grinding requirements of high-precision surfaces

Method used

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Embodiment Construction

[0005] The embodiment is described in detail in conjunction with the accompanying drawings. The present invention is an improvement to the prior art, and it includes a motor 1, a shaft coupling 2, a rotating shaft 3, a right balance weight 4, a left balance weight 5, a balance wheel 9, and a sliding seat 10 , ram 11, oil stone clamp 12, the main improvement point is that a sheave 6 is connected with bearings and bearing seats on the left and right balance wheels respectively, and a drive wheel is installed on the rotating shaft on both sides of the sheave symmetrically protruding from the shaft surface. Wheel 7, drive plate 8 is pivotally connected between the driving wheel and the ram. The present invention replaces the eccentric shaft drive of the crank with a grooved wheel drive, which can optimize the smooth change of acceleration and smooth oscillation conversion, and because the driving wheels of the balance block and ram are installed symmetrically, they are respectively...

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Abstract

The invention discloses a superfine grinding oscillation mechanism which comprises an oscillation mechanism on a superfine grinding machine. Two balance wheels between left and right balance blocks are rotatably connected with a Geneva wheel together; the Geneva wheel is composed of two symmetric parts which are fixed on rotation shafts by bolts respectively; a drive wheel is mounted on the rotation shafts on the two sides of the Geneva wheel in a manner symmetrically protruding out of a shaft surface; and a transmission plate is coupled between the drive wheel and a ram. Through the invention, the oscillation frequency can be improved by more than one time, the oscillation conversion is smooth, the impact is obviously reduced, and the superfine grinding oscillation mechanism is favorable for improving the processing efficiency as well as surface accuracy and quality of products.

Description

Technical field: [0001] The invention relates to the grinding process for the surface of precision parts, in particular to an ultra-fine grinding oscillation mechanism with high oscillation frequency, stable switching and small impact, which is beneficial to improve the grinding precision. Background technique: [0002] At present, the oscillating mechanism used on the ultra-fine grinding machine tool is to connect a rotating shaft on the motor shaft through a coupling, and two symmetrical balance weights are installed on both sides of the bottom of the rotating shaft with a crank through the balance wheel. A ram is installed below the rotating shaft with a crank, a sliding seat and its driving wheel, and an oilstone clip is installed at the lower end of the ram. This traditional oscillating mechanism has the following disadvantages: 1. Once the eccentricity is determined, the oscillating characteristics cannot be changed, so it is impossible to achieve a smooth transition a...

Claims

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Application Information

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IPC IPC(8): B24B35/00
Inventor 潘继超曹保亮
Owner XINXIANG SUNRISE CNC BEARING EQUIP
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